diff options
Diffstat (limited to 'third_party/rust/syn/tests')
37 files changed, 11975 insertions, 0 deletions
diff --git a/third_party/rust/syn/tests/common/eq.rs b/third_party/rust/syn/tests/common/eq.rs new file mode 100644 index 0000000000..41d6d4118c --- /dev/null +++ b/third_party/rust/syn/tests/common/eq.rs @@ -0,0 +1,806 @@ +#![allow(unused_macro_rules)] + +extern crate rustc_ast; +extern crate rustc_data_structures; +extern crate rustc_span; +extern crate thin_vec; + +use rustc_ast::ast::AngleBracketedArg; +use rustc_ast::ast::AngleBracketedArgs; +use rustc_ast::ast::AnonConst; +use rustc_ast::ast::Arm; +use rustc_ast::ast::AssocConstraint; +use rustc_ast::ast::AssocConstraintKind; +use rustc_ast::ast::AssocItemKind; +use rustc_ast::ast::Async; +use rustc_ast::ast::AttrArgs; +use rustc_ast::ast::AttrArgsEq; +use rustc_ast::ast::AttrId; +use rustc_ast::ast::AttrItem; +use rustc_ast::ast::AttrKind; +use rustc_ast::ast::AttrStyle; +use rustc_ast::ast::Attribute; +use rustc_ast::ast::BareFnTy; +use rustc_ast::ast::BinOpKind; +use rustc_ast::ast::BindingAnnotation; +use rustc_ast::ast::Block; +use rustc_ast::ast::BlockCheckMode; +use rustc_ast::ast::BorrowKind; +use rustc_ast::ast::ByRef; +use rustc_ast::ast::CaptureBy; +use rustc_ast::ast::Closure; +use rustc_ast::ast::ClosureBinder; +use rustc_ast::ast::Const; +use rustc_ast::ast::Crate; +use rustc_ast::ast::Defaultness; +use rustc_ast::ast::DelimArgs; +use rustc_ast::ast::EnumDef; +use rustc_ast::ast::Expr; +use rustc_ast::ast::ExprField; +use rustc_ast::ast::ExprKind; +use rustc_ast::ast::Extern; +use rustc_ast::ast::FieldDef; +use rustc_ast::ast::FloatTy; +use rustc_ast::ast::Fn; +use rustc_ast::ast::FnDecl; +use rustc_ast::ast::FnHeader; +use rustc_ast::ast::FnRetTy; +use rustc_ast::ast::FnSig; +use rustc_ast::ast::ForeignItemKind; +use rustc_ast::ast::ForeignMod; +use rustc_ast::ast::GenericArg; +use rustc_ast::ast::GenericArgs; +use rustc_ast::ast::GenericBound; +use rustc_ast::ast::GenericParam; +use rustc_ast::ast::GenericParamKind; +use rustc_ast::ast::Generics; +use rustc_ast::ast::Impl; +use rustc_ast::ast::ImplPolarity; +use rustc_ast::ast::Inline; +use rustc_ast::ast::InlineAsm; +use rustc_ast::ast::InlineAsmOperand; +use rustc_ast::ast::InlineAsmOptions; +use rustc_ast::ast::InlineAsmRegOrRegClass; +use rustc_ast::ast::InlineAsmSym; +use rustc_ast::ast::InlineAsmTemplatePiece; +use rustc_ast::ast::IntTy; +use rustc_ast::ast::IsAuto; +use rustc_ast::ast::Item; +use rustc_ast::ast::ItemKind; +use rustc_ast::ast::Label; +use rustc_ast::ast::Lifetime; +use rustc_ast::ast::LitFloatType; +use rustc_ast::ast::LitIntType; +use rustc_ast::ast::LitKind; +use rustc_ast::ast::Local; +use rustc_ast::ast::LocalKind; +use rustc_ast::ast::MacCall; +use rustc_ast::ast::MacCallStmt; +use rustc_ast::ast::MacDelimiter; +use rustc_ast::ast::MacStmtStyle; +use rustc_ast::ast::MacroDef; +use rustc_ast::ast::MetaItemLit; +use rustc_ast::ast::MethodCall; +use rustc_ast::ast::ModKind; +use rustc_ast::ast::ModSpans; +use rustc_ast::ast::Movability; +use rustc_ast::ast::MutTy; +use rustc_ast::ast::Mutability; +use rustc_ast::ast::NodeId; +use rustc_ast::ast::NormalAttr; +use rustc_ast::ast::Param; +use rustc_ast::ast::ParenthesizedArgs; +use rustc_ast::ast::Pat; +use rustc_ast::ast::PatField; +use rustc_ast::ast::PatKind; +use rustc_ast::ast::Path; +use rustc_ast::ast::PathSegment; +use rustc_ast::ast::PolyTraitRef; +use rustc_ast::ast::QSelf; +use rustc_ast::ast::RangeEnd; +use rustc_ast::ast::RangeLimits; +use rustc_ast::ast::RangeSyntax; +use rustc_ast::ast::Stmt; +use rustc_ast::ast::StmtKind; +use rustc_ast::ast::StrLit; +use rustc_ast::ast::StrStyle; +use rustc_ast::ast::StructExpr; +use rustc_ast::ast::StructRest; +use rustc_ast::ast::Term; +use rustc_ast::ast::Trait; +use rustc_ast::ast::TraitBoundModifier; +use rustc_ast::ast::TraitObjectSyntax; +use rustc_ast::ast::TraitRef; +use rustc_ast::ast::Ty; +use rustc_ast::ast::TyAlias; +use rustc_ast::ast::TyAliasWhereClause; +use rustc_ast::ast::TyKind; +use rustc_ast::ast::UintTy; +use rustc_ast::ast::UnOp; +use rustc_ast::ast::Unsafe; +use rustc_ast::ast::UnsafeSource; +use rustc_ast::ast::UseTree; +use rustc_ast::ast::UseTreeKind; +use rustc_ast::ast::Variant; +use rustc_ast::ast::VariantData; +use rustc_ast::ast::Visibility; +use rustc_ast::ast::VisibilityKind; +use rustc_ast::ast::WhereBoundPredicate; +use rustc_ast::ast::WhereClause; +use rustc_ast::ast::WhereEqPredicate; +use rustc_ast::ast::WherePredicate; +use rustc_ast::ast::WhereRegionPredicate; +use rustc_ast::ptr::P; +use rustc_ast::token::{self, CommentKind, Delimiter, Lit, Nonterminal, Token, TokenKind}; +use rustc_ast::tokenstream::{ + AttrTokenStream, AttrTokenTree, AttributesData, DelimSpan, LazyAttrTokenStream, Spacing, + TokenStream, TokenTree, +}; +use rustc_data_structures::sync::Lrc; +use rustc_span::source_map::Spanned; +use rustc_span::symbol::{sym, Ident}; +use rustc_span::{Span, Symbol, SyntaxContext, DUMMY_SP}; +use thin_vec::ThinVec; + +pub trait SpanlessEq { + fn eq(&self, other: &Self) -> bool; +} + +impl<T: ?Sized + SpanlessEq> SpanlessEq for Box<T> { + fn eq(&self, other: &Self) -> bool { + SpanlessEq::eq(&**self, &**other) + } +} + +impl<T: ?Sized + SpanlessEq> SpanlessEq for P<T> { + fn eq(&self, other: &Self) -> bool { + SpanlessEq::eq(&**self, &**other) + } +} + +impl<T: ?Sized + SpanlessEq> SpanlessEq for Lrc<T> { + fn eq(&self, other: &Self) -> bool { + SpanlessEq::eq(&**self, &**other) + } +} + +impl<T: SpanlessEq> SpanlessEq for Option<T> { + fn eq(&self, other: &Self) -> bool { + match (self, other) { + (None, None) => true, + (Some(this), Some(other)) => SpanlessEq::eq(this, other), + _ => false, + } + } +} + +impl<T: SpanlessEq> SpanlessEq for [T] { + fn eq(&self, other: &Self) -> bool { + self.len() == other.len() && self.iter().zip(other).all(|(a, b)| SpanlessEq::eq(a, b)) + } +} + +impl<T: SpanlessEq> SpanlessEq for Vec<T> { + fn eq(&self, other: &Self) -> bool { + <[T] as SpanlessEq>::eq(self, other) + } +} + +impl<T: SpanlessEq> SpanlessEq for ThinVec<T> { + fn eq(&self, other: &Self) -> bool { + self.len() == other.len() + && self + .iter() + .zip(other.iter()) + .all(|(a, b)| SpanlessEq::eq(a, b)) + } +} + +impl<T: SpanlessEq> SpanlessEq for Spanned<T> { + fn eq(&self, other: &Self) -> bool { + SpanlessEq::eq(&self.node, &other.node) + } +} + +impl<A: SpanlessEq, B: SpanlessEq> SpanlessEq for (A, B) { + fn eq(&self, other: &Self) -> bool { + SpanlessEq::eq(&self.0, &other.0) && SpanlessEq::eq(&self.1, &other.1) + } +} + +impl<A: SpanlessEq, B: SpanlessEq, C: SpanlessEq> SpanlessEq for (A, B, C) { + fn eq(&self, other: &Self) -> bool { + SpanlessEq::eq(&self.0, &other.0) + && SpanlessEq::eq(&self.1, &other.1) + && SpanlessEq::eq(&self.2, &other.2) + } +} + +macro_rules! spanless_eq_true { + ($name:ty) => { + impl SpanlessEq for $name { + fn eq(&self, _other: &Self) -> bool { + true + } + } + }; +} + +spanless_eq_true!(Span); +spanless_eq_true!(DelimSpan); +spanless_eq_true!(AttrId); +spanless_eq_true!(NodeId); +spanless_eq_true!(SyntaxContext); +spanless_eq_true!(Spacing); + +macro_rules! spanless_eq_partial_eq { + ($name:ty) => { + impl SpanlessEq for $name { + fn eq(&self, other: &Self) -> bool { + PartialEq::eq(self, other) + } + } + }; +} + +spanless_eq_partial_eq!(bool); +spanless_eq_partial_eq!(u8); +spanless_eq_partial_eq!(u16); +spanless_eq_partial_eq!(u128); +spanless_eq_partial_eq!(usize); +spanless_eq_partial_eq!(char); +spanless_eq_partial_eq!(String); +spanless_eq_partial_eq!(Symbol); +spanless_eq_partial_eq!(CommentKind); +spanless_eq_partial_eq!(Delimiter); +spanless_eq_partial_eq!(InlineAsmOptions); +spanless_eq_partial_eq!(token::LitKind); + +macro_rules! spanless_eq_struct { + { + $($name:ident)::+ $(<$param:ident>)? + $([$field:tt $this:ident $other:ident])* + $(![$ignore:tt])*; + } => { + impl $(<$param: SpanlessEq>)* SpanlessEq for $($name)::+ $(<$param>)* { + fn eq(&self, other: &Self) -> bool { + let $($name)::+ { $($field: $this,)* $($ignore: _,)* } = self; + let $($name)::+ { $($field: $other,)* $($ignore: _,)* } = other; + true $(&& SpanlessEq::eq($this, $other))* + } + } + }; + + { + $($name:ident)::+ $(<$param:ident>)? + $([$field:tt $this:ident $other:ident])* + $(![$ignore:tt])*; + !$next:tt + $($rest:tt)* + } => { + spanless_eq_struct! { + $($name)::+ $(<$param>)* + $([$field $this $other])* + $(![$ignore])* + ![$next]; + $($rest)* + } + }; + + { + $($name:ident)::+ $(<$param:ident>)? + $([$field:tt $this:ident $other:ident])* + $(![$ignore:tt])*; + $next:tt + $($rest:tt)* + } => { + spanless_eq_struct! { + $($name)::+ $(<$param>)* + $([$field $this $other])* + [$next this other] + $(![$ignore])*; + $($rest)* + } + }; +} + +macro_rules! spanless_eq_enum { + { + $($name:ident)::+; + $([$($variant:ident)::+; $([$field:tt $this:ident $other:ident])* $(![$ignore:tt])*])* + } => { + impl SpanlessEq for $($name)::+ { + fn eq(&self, other: &Self) -> bool { + match self { + $( + $($variant)::+ { .. } => {} + )* + } + #[allow(unreachable_patterns)] + match (self, other) { + $( + ( + $($variant)::+ { $($field: $this,)* $($ignore: _,)* }, + $($variant)::+ { $($field: $other,)* $($ignore: _,)* }, + ) => { + true $(&& SpanlessEq::eq($this, $other))* + } + )* + _ => false, + } + } + } + }; + + { + $($name:ident)::+; + $([$($variant:ident)::+; $($fields:tt)*])* + $next:ident [$([$($named:tt)*])* $(![$ignore:tt])*] (!$i:tt $($field:tt)*) + $($rest:tt)* + } => { + spanless_eq_enum! { + $($name)::+; + $([$($variant)::+; $($fields)*])* + $next [$([$($named)*])* $(![$ignore])* ![$i]] ($($field)*) + $($rest)* + } + }; + + { + $($name:ident)::+; + $([$($variant:ident)::+; $($fields:tt)*])* + $next:ident [$([$($named:tt)*])* $(![$ignore:tt])*] ($i:tt $($field:tt)*) + $($rest:tt)* + } => { + spanless_eq_enum! { + $($name)::+; + $([$($variant)::+; $($fields)*])* + $next [$([$($named)*])* [$i this other] $(![$ignore])*] ($($field)*) + $($rest)* + } + }; + + { + $($name:ident)::+; + $([$($variant:ident)::+; $($fields:tt)*])* + $next:ident [$($named:tt)*] () + $($rest:tt)* + } => { + spanless_eq_enum! { + $($name)::+; + $([$($variant)::+; $($fields)*])* + [$($name)::+::$next; $($named)*] + $($rest)* + } + }; + + { + $($name:ident)::+; + $([$($variant:ident)::+; $($fields:tt)*])* + $next:ident ($($field:tt)*) + $($rest:tt)* + } => { + spanless_eq_enum! { + $($name)::+; + $([$($variant)::+; $($fields)*])* + $next [] ($($field)*) + $($rest)* + } + }; + + { + $($name:ident)::+; + $([$($variant:ident)::+; $($fields:tt)*])* + $next:ident + $($rest:tt)* + } => { + spanless_eq_enum! { + $($name)::+; + $([$($variant)::+; $($fields)*])* + [$($name)::+::$next;] + $($rest)* + } + }; +} + +spanless_eq_struct!(AngleBracketedArgs; span args); +spanless_eq_struct!(AnonConst; id value); +spanless_eq_struct!(Arm; attrs pat guard body span id is_placeholder); +spanless_eq_struct!(AssocConstraint; id ident gen_args kind span); +spanless_eq_struct!(AttrItem; path args tokens); +spanless_eq_struct!(AttrTokenStream; 0); +spanless_eq_struct!(Attribute; kind id style span); +spanless_eq_struct!(AttributesData; attrs tokens); +spanless_eq_struct!(BareFnTy; unsafety ext generic_params decl decl_span); +spanless_eq_struct!(BindingAnnotation; 0 1); +spanless_eq_struct!(Block; stmts id rules span tokens could_be_bare_literal); +spanless_eq_struct!(Closure; binder capture_clause asyncness movability fn_decl body !fn_decl_span); +spanless_eq_struct!(Crate; attrs items spans id is_placeholder); +spanless_eq_struct!(DelimArgs; dspan delim tokens); +spanless_eq_struct!(EnumDef; variants); +spanless_eq_struct!(Expr; id kind span attrs !tokens); +spanless_eq_struct!(ExprField; attrs id span ident expr is_shorthand is_placeholder); +spanless_eq_struct!(FieldDef; attrs id span vis ident ty is_placeholder); +spanless_eq_struct!(FnDecl; inputs output); +spanless_eq_struct!(FnHeader; constness asyncness unsafety ext); +spanless_eq_struct!(Fn; defaultness generics sig body); +spanless_eq_struct!(FnSig; header decl span); +spanless_eq_struct!(ForeignMod; unsafety abi items); +spanless_eq_struct!(GenericParam; id ident attrs bounds is_placeholder kind !colon_span); +spanless_eq_struct!(Generics; params where_clause span); +spanless_eq_struct!(Impl; defaultness unsafety generics constness polarity of_trait self_ty items); +spanless_eq_struct!(InlineAsm; template template_strs operands clobber_abis options line_spans); +spanless_eq_struct!(InlineAsmSym; id qself path); +spanless_eq_struct!(Item<K>; attrs id span vis ident kind !tokens); +spanless_eq_struct!(Label; ident); +spanless_eq_struct!(Lifetime; id ident); +spanless_eq_struct!(Lit; kind symbol suffix); +spanless_eq_struct!(Local; pat ty kind id span attrs !tokens); +spanless_eq_struct!(MacCall; path args prior_type_ascription); +spanless_eq_struct!(MacCallStmt; mac style attrs tokens); +spanless_eq_struct!(MacroDef; body macro_rules); +spanless_eq_struct!(MetaItemLit; token_lit kind span); +spanless_eq_struct!(MethodCall; seg receiver args !span); +spanless_eq_struct!(ModSpans; !inner_span !inject_use_span); +spanless_eq_struct!(MutTy; ty mutbl); +spanless_eq_struct!(NormalAttr; item tokens); +spanless_eq_struct!(ParenthesizedArgs; span inputs inputs_span output); +spanless_eq_struct!(Pat; id kind span tokens); +spanless_eq_struct!(PatField; ident pat is_shorthand attrs id span is_placeholder); +spanless_eq_struct!(Path; span segments tokens); +spanless_eq_struct!(PathSegment; ident id args); +spanless_eq_struct!(PolyTraitRef; bound_generic_params trait_ref span); +spanless_eq_struct!(QSelf; ty path_span position); +spanless_eq_struct!(Stmt; id kind span); +spanless_eq_struct!(StrLit; style symbol suffix span symbol_unescaped); +spanless_eq_struct!(StructExpr; qself path fields rest); +spanless_eq_struct!(Token; kind span); +spanless_eq_struct!(Trait; unsafety is_auto generics bounds items); +spanless_eq_struct!(TraitRef; path ref_id); +spanless_eq_struct!(Ty; id kind span tokens); +spanless_eq_struct!(TyAlias; defaultness generics where_clauses !where_predicates_split bounds ty); +spanless_eq_struct!(TyAliasWhereClause; !0 1); +spanless_eq_struct!(UseTree; prefix kind span); +spanless_eq_struct!(Variant; attrs id span !vis ident data disr_expr is_placeholder); +spanless_eq_struct!(Visibility; kind span tokens); +spanless_eq_struct!(WhereBoundPredicate; span bound_generic_params bounded_ty bounds); +spanless_eq_struct!(WhereClause; has_where_token predicates span); +spanless_eq_struct!(WhereEqPredicate; span lhs_ty rhs_ty); +spanless_eq_struct!(WhereRegionPredicate; span lifetime bounds); +spanless_eq_enum!(AngleBracketedArg; Arg(0) Constraint(0)); +spanless_eq_enum!(AssocItemKind; Const(0 1 2) Fn(0) Type(0) MacCall(0)); +spanless_eq_enum!(AssocConstraintKind; Equality(term) Bound(bounds)); +spanless_eq_enum!(Async; Yes(span closure_id return_impl_trait_id) No); +spanless_eq_enum!(AttrArgs; Empty Delimited(0) Eq(0 1)); +spanless_eq_enum!(AttrArgsEq; Ast(0) Hir(0)); +spanless_eq_enum!(AttrStyle; Outer Inner); +spanless_eq_enum!(AttrTokenTree; Token(0 1) Delimited(0 1 2) Attributes(0)); +spanless_eq_enum!(BinOpKind; Add Sub Mul Div Rem And Or BitXor BitAnd BitOr Shl Shr Eq Lt Le Ne Ge Gt); +spanless_eq_enum!(BlockCheckMode; Default Unsafe(0)); +spanless_eq_enum!(BorrowKind; Ref Raw); +spanless_eq_enum!(ByRef; Yes No); +spanless_eq_enum!(CaptureBy; Value Ref); +spanless_eq_enum!(ClosureBinder; NotPresent For(span generic_params)); +spanless_eq_enum!(Const; Yes(0) No); +spanless_eq_enum!(Defaultness; Default(0) Final); +spanless_eq_enum!(Extern; None Implicit(0) Explicit(0 1)); +spanless_eq_enum!(FloatTy; F32 F64); +spanless_eq_enum!(FnRetTy; Default(0) Ty(0)); +spanless_eq_enum!(ForeignItemKind; Static(0 1 2) Fn(0) TyAlias(0) MacCall(0)); +spanless_eq_enum!(GenericArg; Lifetime(0) Type(0) Const(0)); +spanless_eq_enum!(GenericArgs; AngleBracketed(0) Parenthesized(0)); +spanless_eq_enum!(GenericBound; Trait(0 1) Outlives(0)); +spanless_eq_enum!(GenericParamKind; Lifetime Type(default) Const(ty kw_span default)); +spanless_eq_enum!(ImplPolarity; Positive Negative(0)); +spanless_eq_enum!(Inline; Yes No); +spanless_eq_enum!(InlineAsmRegOrRegClass; Reg(0) RegClass(0)); +spanless_eq_enum!(InlineAsmTemplatePiece; String(0) Placeholder(operand_idx modifier span)); +spanless_eq_enum!(IntTy; Isize I8 I16 I32 I64 I128); +spanless_eq_enum!(IsAuto; Yes No); +spanless_eq_enum!(LitFloatType; Suffixed(0) Unsuffixed); +spanless_eq_enum!(LitIntType; Signed(0) Unsigned(0) Unsuffixed); +spanless_eq_enum!(LocalKind; Decl Init(0) InitElse(0 1)); +spanless_eq_enum!(MacDelimiter; Parenthesis Bracket Brace); +spanless_eq_enum!(MacStmtStyle; Semicolon Braces NoBraces); +spanless_eq_enum!(ModKind; Loaded(0 1 2) Unloaded); +spanless_eq_enum!(Movability; Static Movable); +spanless_eq_enum!(Mutability; Mut Not); +spanless_eq_enum!(RangeEnd; Included(0) Excluded); +spanless_eq_enum!(RangeLimits; HalfOpen Closed); +spanless_eq_enum!(StmtKind; Local(0) Item(0) Expr(0) Semi(0) Empty MacCall(0)); +spanless_eq_enum!(StrStyle; Cooked Raw(0)); +spanless_eq_enum!(StructRest; Base(0) Rest(0) None); +spanless_eq_enum!(Term; Ty(0) Const(0)); +spanless_eq_enum!(TokenTree; Token(0 1) Delimited(0 1 2)); +spanless_eq_enum!(TraitBoundModifier; None Maybe MaybeConst MaybeConstMaybe); +spanless_eq_enum!(TraitObjectSyntax; Dyn DynStar None); +spanless_eq_enum!(UintTy; Usize U8 U16 U32 U64 U128); +spanless_eq_enum!(UnOp; Deref Not Neg); +spanless_eq_enum!(Unsafe; Yes(0) No); +spanless_eq_enum!(UnsafeSource; CompilerGenerated UserProvided); +spanless_eq_enum!(UseTreeKind; Simple(0) Nested(0) Glob); +spanless_eq_enum!(VariantData; Struct(0 1) Tuple(0 1) Unit(0)); +spanless_eq_enum!(VisibilityKind; Public Restricted(path id shorthand) Inherited); +spanless_eq_enum!(WherePredicate; BoundPredicate(0) RegionPredicate(0) EqPredicate(0)); +spanless_eq_enum!(ExprKind; Box(0) Array(0) ConstBlock(0) Call(0 1) + MethodCall(0) Tup(0) Binary(0 1 2) Unary(0 1) Lit(0) Cast(0 1) Type(0 1) + Let(0 1 2) If(0 1 2) While(0 1 2) ForLoop(0 1 2 3) Loop(0 1 2) Match(0 1) + Closure(0) Block(0 1) Async(0 1 2) Await(0) TryBlock(0) Assign(0 1 2) + AssignOp(0 1 2) Field(0 1) Index(0 1) Underscore Range(0 1 2) Path(0 1) + AddrOf(0 1 2) Break(0 1) Continue(0) Ret(0) InlineAsm(0) MacCall(0) + Struct(0) Repeat(0 1) Paren(0) Try(0) Yield(0) Yeet(0) IncludedBytes(0) + Err); +spanless_eq_enum!(InlineAsmOperand; In(reg expr) Out(reg late expr) + InOut(reg late expr) SplitInOut(reg late in_expr out_expr) Const(anon_const) + Sym(sym)); +spanless_eq_enum!(ItemKind; ExternCrate(0) Use(0) Static(0 1 2) Const(0 1 2) + Fn(0) Mod(0 1) ForeignMod(0) GlobalAsm(0) TyAlias(0) Enum(0 1) Struct(0 1) + Union(0 1) Trait(0) TraitAlias(0 1) Impl(0) MacCall(0) MacroDef(0)); +spanless_eq_enum!(LitKind; Str(0 1) ByteStr(0) Byte(0) Char(0) Int(0 1) + Float(0 1) Bool(0) Err); +spanless_eq_enum!(PatKind; Wild Ident(0 1 2) Struct(0 1 2 3) TupleStruct(0 1 2) + Or(0) Path(0 1) Tuple(0) Box(0) Ref(0 1) Lit(0) Range(0 1 2) Slice(0) Rest + Paren(0) MacCall(0)); +spanless_eq_enum!(TyKind; Slice(0) Array(0 1) Ptr(0) Rptr(0 1) BareFn(0) Never + Tup(0) Path(0 1) TraitObject(0 1) ImplTrait(0 1) Paren(0) Typeof(0) Infer + ImplicitSelf MacCall(0) Err CVarArgs); + +impl SpanlessEq for Ident { + fn eq(&self, other: &Self) -> bool { + self.as_str() == other.as_str() + } +} + +impl SpanlessEq for RangeSyntax { + fn eq(&self, _other: &Self) -> bool { + match self { + RangeSyntax::DotDotDot | RangeSyntax::DotDotEq => true, + } + } +} + +impl SpanlessEq for Param { + fn eq(&self, other: &Self) -> bool { + let Param { + attrs, + ty, + pat, + id, + span: _, + is_placeholder, + } = self; + let Param { + attrs: attrs2, + ty: ty2, + pat: pat2, + id: id2, + span: _, + is_placeholder: is_placeholder2, + } = other; + SpanlessEq::eq(id, id2) + && SpanlessEq::eq(is_placeholder, is_placeholder2) + && (matches!(ty.kind, TyKind::Err) + || matches!(ty2.kind, TyKind::Err) + || SpanlessEq::eq(attrs, attrs2) + && SpanlessEq::eq(ty, ty2) + && SpanlessEq::eq(pat, pat2)) + } +} + +impl SpanlessEq for TokenKind { + fn eq(&self, other: &Self) -> bool { + match (self, other) { + (TokenKind::Literal(this), TokenKind::Literal(other)) => SpanlessEq::eq(this, other), + (TokenKind::DotDotEq, _) | (TokenKind::DotDotDot, _) => match other { + TokenKind::DotDotEq | TokenKind::DotDotDot => true, + _ => false, + }, + (TokenKind::Interpolated(this), TokenKind::Interpolated(other)) => { + match (this.as_ref(), other.as_ref()) { + (Nonterminal::NtExpr(this), Nonterminal::NtExpr(other)) => { + SpanlessEq::eq(this, other) + } + _ => this == other, + } + } + _ => self == other, + } + } +} + +impl SpanlessEq for TokenStream { + fn eq(&self, other: &Self) -> bool { + let mut this_trees = self.trees(); + let mut other_trees = other.trees(); + loop { + let this = match this_trees.next() { + None => return other_trees.next().is_none(), + Some(tree) => tree, + }; + let other = match other_trees.next() { + None => return false, + Some(tree) => tree, + }; + if SpanlessEq::eq(this, other) { + continue; + } + if let (TokenTree::Token(this, _), TokenTree::Token(other, _)) = (this, other) { + if match (&this.kind, &other.kind) { + (TokenKind::Literal(this), TokenKind::Literal(other)) => { + SpanlessEq::eq(this, other) + } + (TokenKind::DocComment(_kind, style, symbol), TokenKind::Pound) => { + doc_comment(*style, *symbol, &mut other_trees) + } + (TokenKind::Pound, TokenKind::DocComment(_kind, style, symbol)) => { + doc_comment(*style, *symbol, &mut this_trees) + } + _ => false, + } { + continue; + } + } + return false; + } + } +} + +fn doc_comment<'a>( + style: AttrStyle, + unescaped: Symbol, + trees: &mut impl Iterator<Item = &'a TokenTree>, +) -> bool { + if match style { + AttrStyle::Outer => false, + AttrStyle::Inner => true, + } { + match trees.next() { + Some(TokenTree::Token( + Token { + kind: TokenKind::Not, + span: _, + }, + _spacing, + )) => {} + _ => return false, + } + } + let stream = match trees.next() { + Some(TokenTree::Delimited(_span, Delimiter::Bracket, stream)) => stream, + _ => return false, + }; + let mut trees = stream.trees(); + match trees.next() { + Some(TokenTree::Token( + Token { + kind: TokenKind::Ident(symbol, false), + span: _, + }, + _spacing, + )) if *symbol == sym::doc => {} + _ => return false, + } + match trees.next() { + Some(TokenTree::Token( + Token { + kind: TokenKind::Eq, + span: _, + }, + _spacing, + )) => {} + _ => return false, + } + match trees.next() { + Some(TokenTree::Token(token, _spacing)) => { + is_escaped_literal_token(token, unescaped) && trees.next().is_none() + } + _ => false, + } +} + +fn is_escaped_literal_token(token: &Token, unescaped: Symbol) -> bool { + match token { + Token { + kind: TokenKind::Literal(lit), + span: _, + } => match MetaItemLit::from_token_lit(*lit, DUMMY_SP) { + Ok(lit) => is_escaped_literal_meta_item_lit(&lit, unescaped), + Err(_) => false, + }, + Token { + kind: TokenKind::Interpolated(nonterminal), + span: _, + } => match nonterminal.as_ref() { + Nonterminal::NtExpr(expr) => match &expr.kind { + ExprKind::Lit(lit) => is_escaped_lit(lit, unescaped), + _ => false, + }, + _ => false, + }, + _ => false, + } +} + +fn is_escaped_literal_attr_args(value: &AttrArgsEq, unescaped: Symbol) -> bool { + match value { + AttrArgsEq::Ast(expr) => match &expr.kind { + ExprKind::Lit(lit) => is_escaped_lit(lit, unescaped), + _ => false, + }, + AttrArgsEq::Hir(lit) => is_escaped_literal_meta_item_lit(lit, unescaped), + } +} + +fn is_escaped_literal_meta_item_lit(lit: &MetaItemLit, unescaped: Symbol) -> bool { + match lit { + MetaItemLit { + token_lit: + Lit { + kind: token::LitKind::Str, + symbol: _, + suffix: None, + }, + kind, + span: _, + } => is_escaped_lit_kind(kind, unescaped), + _ => false, + } +} + +fn is_escaped_lit(lit: &Lit, unescaped: Symbol) -> bool { + match lit { + Lit { + kind: token::LitKind::Str, + symbol: _, + suffix: None, + } => match LitKind::from_token_lit(*lit) { + Ok(lit_kind) => is_escaped_lit_kind(&lit_kind, unescaped), + _ => false, + }, + _ => false, + } +} + +fn is_escaped_lit_kind(kind: &LitKind, unescaped: Symbol) -> bool { + match kind { + LitKind::Str(symbol, StrStyle::Cooked) => { + symbol.as_str().replace('\r', "") == unescaped.as_str().replace('\r', "") + } + _ => false, + } +} + +impl SpanlessEq for LazyAttrTokenStream { + fn eq(&self, other: &Self) -> bool { + let this = self.to_attr_token_stream(); + let other = other.to_attr_token_stream(); + SpanlessEq::eq(&this, &other) + } +} + +impl SpanlessEq for AttrKind { + fn eq(&self, other: &Self) -> bool { + match (self, other) { + (AttrKind::Normal(normal), AttrKind::Normal(normal2)) => { + SpanlessEq::eq(normal, normal2) + } + (AttrKind::DocComment(kind, symbol), AttrKind::DocComment(kind2, symbol2)) => { + SpanlessEq::eq(kind, kind2) && SpanlessEq::eq(symbol, symbol2) + } + (AttrKind::DocComment(kind, unescaped), AttrKind::Normal(normal2)) => { + match kind { + CommentKind::Line | CommentKind::Block => {} + } + let path = Path::from_ident(Ident::with_dummy_span(sym::doc)); + SpanlessEq::eq(&path, &normal2.item.path) + && match &normal2.item.args { + AttrArgs::Empty | AttrArgs::Delimited(_) => false, + AttrArgs::Eq(_span, value) => { + is_escaped_literal_attr_args(value, *unescaped) + } + } + } + (AttrKind::Normal(_), AttrKind::DocComment(..)) => SpanlessEq::eq(other, self), + } + } +} diff --git a/third_party/rust/syn/tests/common/mod.rs b/third_party/rust/syn/tests/common/mod.rs new file mode 100644 index 0000000000..2156530b7c --- /dev/null +++ b/third_party/rust/syn/tests/common/mod.rs @@ -0,0 +1,28 @@ +#![allow(dead_code)] +#![allow(clippy::module_name_repetitions, clippy::shadow_unrelated)] + +use rayon::ThreadPoolBuilder; +use std::env; + +pub mod eq; +pub mod parse; + +/// Read the `ABORT_AFTER_FAILURE` environment variable, and parse it. +pub fn abort_after() -> usize { + match env::var("ABORT_AFTER_FAILURE") { + Ok(s) => s.parse().expect("failed to parse ABORT_AFTER_FAILURE"), + Err(_) => usize::max_value(), + } +} + +/// Configure Rayon threadpool. +pub fn rayon_init() { + let stack_size = match env::var("RUST_MIN_STACK") { + Ok(s) => s.parse().expect("failed to parse RUST_MIN_STACK"), + Err(_) => 20 * 1024 * 1024, + }; + ThreadPoolBuilder::new() + .stack_size(stack_size) + .build_global() + .unwrap(); +} diff --git a/third_party/rust/syn/tests/common/parse.rs b/third_party/rust/syn/tests/common/parse.rs new file mode 100644 index 0000000000..636d0a37a0 --- /dev/null +++ b/third_party/rust/syn/tests/common/parse.rs @@ -0,0 +1,48 @@ +extern crate rustc_ast; +extern crate rustc_expand; +extern crate rustc_parse as parse; +extern crate rustc_session; +extern crate rustc_span; + +use rustc_ast::ast; +use rustc_ast::ptr::P; +use rustc_session::parse::ParseSess; +use rustc_span::source_map::FilePathMapping; +use rustc_span::FileName; +use std::panic; + +pub fn librustc_expr(input: &str) -> Option<P<ast::Expr>> { + match panic::catch_unwind(|| { + let sess = ParseSess::new(FilePathMapping::empty()); + let e = parse::new_parser_from_source_str( + &sess, + FileName::Custom("test_precedence".to_string()), + input.to_string(), + ) + .parse_expr(); + match e { + Ok(expr) => Some(expr), + Err(mut diagnostic) => { + diagnostic.emit(); + None + } + } + }) { + Ok(Some(e)) => Some(e), + Ok(None) => None, + Err(_) => { + errorf!("librustc panicked\n"); + None + } + } +} + +pub fn syn_expr(input: &str) -> Option<syn::Expr> { + match syn::parse_str(input) { + Ok(e) => Some(e), + Err(msg) => { + errorf!("syn failed to parse\n{:?}\n", msg); + None + } + } +} diff --git a/third_party/rust/syn/tests/debug/gen.rs b/third_party/rust/syn/tests/debug/gen.rs new file mode 100644 index 0000000000..cfd63d117b --- /dev/null +++ b/third_party/rust/syn/tests/debug/gen.rs @@ -0,0 +1,5640 @@ +// This file is @generated by syn-internal-codegen. +// It is not intended for manual editing. + +use super::{Lite, RefCast}; +use std::fmt::{self, Debug, Display}; +impl Debug for Lite<syn::Abi> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Abi"); + if let Some(val) = &_val.name { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::LitStr); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("name", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::AngleBracketedGenericArguments> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("AngleBracketedGenericArguments"); + if let Some(val) = &_val.colon2_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon2_token", Print::ref_cast(val)); + } + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Arm> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Arm"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + if let Some(val) = &_val.guard { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::If, Box<syn::Expr>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("guard", Print::ref_cast(val)); + } + formatter.field("body", Lite(&_val.body)); + if let Some(val) = &_val.comma { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Comma); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("comma", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::AttrStyle> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::AttrStyle::Outer => formatter.write_str("Outer"), + syn::AttrStyle::Inner(_val) => { + formatter.write_str("Inner")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Attribute> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Attribute"); + formatter.field("style", Lite(&_val.style)); + formatter.field("path", Lite(&_val.path)); + formatter.field("tokens", Lite(&_val.tokens)); + formatter.finish() + } +} +impl Debug for Lite<syn::BareFnArg> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("BareFnArg"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.name { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((proc_macro2::Ident, syn::token::Colon)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.0), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("name", Print::ref_cast(val)); + } + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::BinOp> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::BinOp::Add(_val) => { + formatter.write_str("Add")?; + Ok(()) + } + syn::BinOp::Sub(_val) => { + formatter.write_str("Sub")?; + Ok(()) + } + syn::BinOp::Mul(_val) => { + formatter.write_str("Mul")?; + Ok(()) + } + syn::BinOp::Div(_val) => { + formatter.write_str("Div")?; + Ok(()) + } + syn::BinOp::Rem(_val) => { + formatter.write_str("Rem")?; + Ok(()) + } + syn::BinOp::And(_val) => { + formatter.write_str("And")?; + Ok(()) + } + syn::BinOp::Or(_val) => { + formatter.write_str("Or")?; + Ok(()) + } + syn::BinOp::BitXor(_val) => { + formatter.write_str("BitXor")?; + Ok(()) + } + syn::BinOp::BitAnd(_val) => { + formatter.write_str("BitAnd")?; + Ok(()) + } + syn::BinOp::BitOr(_val) => { + formatter.write_str("BitOr")?; + Ok(()) + } + syn::BinOp::Shl(_val) => { + formatter.write_str("Shl")?; + Ok(()) + } + syn::BinOp::Shr(_val) => { + formatter.write_str("Shr")?; + Ok(()) + } + syn::BinOp::Eq(_val) => { + formatter.write_str("Eq")?; + Ok(()) + } + syn::BinOp::Lt(_val) => { + formatter.write_str("Lt")?; + Ok(()) + } + syn::BinOp::Le(_val) => { + formatter.write_str("Le")?; + Ok(()) + } + syn::BinOp::Ne(_val) => { + formatter.write_str("Ne")?; + Ok(()) + } + syn::BinOp::Ge(_val) => { + formatter.write_str("Ge")?; + Ok(()) + } + syn::BinOp::Gt(_val) => { + formatter.write_str("Gt")?; + Ok(()) + } + syn::BinOp::AddEq(_val) => { + formatter.write_str("AddEq")?; + Ok(()) + } + syn::BinOp::SubEq(_val) => { + formatter.write_str("SubEq")?; + Ok(()) + } + syn::BinOp::MulEq(_val) => { + formatter.write_str("MulEq")?; + Ok(()) + } + syn::BinOp::DivEq(_val) => { + formatter.write_str("DivEq")?; + Ok(()) + } + syn::BinOp::RemEq(_val) => { + formatter.write_str("RemEq")?; + Ok(()) + } + syn::BinOp::BitXorEq(_val) => { + formatter.write_str("BitXorEq")?; + Ok(()) + } + syn::BinOp::BitAndEq(_val) => { + formatter.write_str("BitAndEq")?; + Ok(()) + } + syn::BinOp::BitOrEq(_val) => { + formatter.write_str("BitOrEq")?; + Ok(()) + } + syn::BinOp::ShlEq(_val) => { + formatter.write_str("ShlEq")?; + Ok(()) + } + syn::BinOp::ShrEq(_val) => { + formatter.write_str("ShrEq")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Binding> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Binding"); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::Block> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Block"); + if !_val.stmts.is_empty() { + formatter.field("stmts", Lite(&_val.stmts)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::BoundLifetimes> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("BoundLifetimes"); + if !_val.lifetimes.is_empty() { + formatter.field("lifetimes", Lite(&_val.lifetimes)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ConstParam> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ConstParam"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + if let Some(val) = &_val.eq_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Eq); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("eq_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Expr); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Constraint> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Constraint"); + formatter.field("ident", Lite(&_val.ident)); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Data> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Data::Struct(_val) => { + let mut formatter = formatter.debug_struct("Data::Struct"); + formatter.field("fields", Lite(&_val.fields)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Data::Enum(_val) => { + let mut formatter = formatter.debug_struct("Data::Enum"); + if !_val.variants.is_empty() { + formatter.field("variants", Lite(&_val.variants)); + } + formatter.finish() + } + syn::Data::Union(_val) => { + let mut formatter = formatter.debug_struct("Data::Union"); + formatter.field("fields", Lite(&_val.fields)); + formatter.finish() + } + } + } +} +impl Debug for Lite<syn::DataEnum> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("DataEnum"); + if !_val.variants.is_empty() { + formatter.field("variants", Lite(&_val.variants)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::DataStruct> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("DataStruct"); + formatter.field("fields", Lite(&_val.fields)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::DataUnion> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("DataUnion"); + formatter.field("fields", Lite(&_val.fields)); + formatter.finish() + } +} +impl Debug for Lite<syn::DeriveInput> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("DeriveInput"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("data", Lite(&_val.data)); + formatter.finish() + } +} +impl Debug for Lite<syn::Expr> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Expr::Array(_val) => { + let mut formatter = formatter.debug_struct("Expr::Array"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } + syn::Expr::Assign(_val) => { + let mut formatter = formatter.debug_struct("Expr::Assign"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("left", Lite(&_val.left)); + formatter.field("right", Lite(&_val.right)); + formatter.finish() + } + syn::Expr::AssignOp(_val) => { + let mut formatter = formatter.debug_struct("Expr::AssignOp"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("left", Lite(&_val.left)); + formatter.field("op", Lite(&_val.op)); + formatter.field("right", Lite(&_val.right)); + formatter.finish() + } + syn::Expr::Async(_val) => { + let mut formatter = formatter.debug_struct("Expr::Async"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.capture { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Move); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("capture", Print::ref_cast(val)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } + syn::Expr::Await(_val) => { + let mut formatter = formatter.debug_struct("Expr::Await"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("base", Lite(&_val.base)); + formatter.finish() + } + syn::Expr::Binary(_val) => { + let mut formatter = formatter.debug_struct("Expr::Binary"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("left", Lite(&_val.left)); + formatter.field("op", Lite(&_val.op)); + formatter.field("right", Lite(&_val.right)); + formatter.finish() + } + syn::Expr::Block(_val) => { + let mut formatter = formatter.debug_struct("Expr::Block"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } + syn::Expr::Box(_val) => { + let mut formatter = formatter.debug_struct("Expr::Box"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::Break(_val) => { + let mut formatter = formatter.debug_struct("Expr::Break"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Lifetime); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + if let Some(val) = &_val.expr { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("expr", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Expr::Call(_val) => { + let mut formatter = formatter.debug_struct("Expr::Call"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("func", Lite(&_val.func)); + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } + syn::Expr::Cast(_val) => { + let mut formatter = formatter.debug_struct("Expr::Cast"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } + syn::Expr::Closure(_val) => { + let mut formatter = formatter.debug_struct("Expr::Closure"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.movability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Static); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("movability", Print::ref_cast(val)); + } + if let Some(val) = &_val.asyncness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Async); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("asyncness", Print::ref_cast(val)); + } + if let Some(val) = &_val.capture { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Move); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("capture", Print::ref_cast(val)); + } + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + formatter.field("output", Lite(&_val.output)); + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } + syn::Expr::Continue(_val) => { + let mut formatter = formatter.debug_struct("Expr::Continue"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Lifetime); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Expr::Field(_val) => { + let mut formatter = formatter.debug_struct("Expr::Field"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("base", Lite(&_val.base)); + formatter.field("member", Lite(&_val.member)); + formatter.finish() + } + syn::Expr::ForLoop(_val) => { + let mut formatter = formatter.debug_struct("Expr::ForLoop"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.field("expr", Lite(&_val.expr)); + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } + syn::Expr::Group(_val) => { + let mut formatter = formatter.debug_struct("Expr::Group"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::If(_val) => { + let mut formatter = formatter.debug_struct("Expr::If"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("cond", Lite(&_val.cond)); + formatter.field("then_branch", Lite(&_val.then_branch)); + if let Some(val) = &_val.else_branch { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Else, Box<syn::Expr>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("else_branch", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Expr::Index(_val) => { + let mut formatter = formatter.debug_struct("Expr::Index"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("index", Lite(&_val.index)); + formatter.finish() + } + syn::Expr::Let(_val) => { + let mut formatter = formatter.debug_struct("Expr::Let"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::Lit(_val) => { + let mut formatter = formatter.debug_struct("Expr::Lit"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("lit", Lite(&_val.lit)); + formatter.finish() + } + syn::Expr::Loop(_val) => { + let mut formatter = formatter.debug_struct("Expr::Loop"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } + syn::Expr::Macro(_val) => { + let mut formatter = formatter.debug_struct("Expr::Macro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + formatter.finish() + } + syn::Expr::Match(_val) => { + let mut formatter = formatter.debug_struct("Expr::Match"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + if !_val.arms.is_empty() { + formatter.field("arms", Lite(&_val.arms)); + } + formatter.finish() + } + syn::Expr::MethodCall(_val) => { + let mut formatter = formatter.debug_struct("Expr::MethodCall"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("receiver", Lite(&_val.receiver)); + formatter.field("method", Lite(&_val.method)); + if let Some(val) = &_val.turbofish { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::MethodTurbofish); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("turbofish", Print::ref_cast(val)); + } + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } + syn::Expr::Paren(_val) => { + let mut formatter = formatter.debug_struct("Expr::Paren"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::Path(_val) => { + let mut formatter = formatter.debug_struct("Expr::Path"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.qself { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::QSelf); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("qself", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } + syn::Expr::Range(_val) => { + let mut formatter = formatter.debug_struct("Expr::Range"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.from { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("from", Print::ref_cast(val)); + } + formatter.field("limits", Lite(&_val.limits)); + if let Some(val) = &_val.to { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("to", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Expr::Reference(_val) => { + let mut formatter = formatter.debug_struct("Expr::Reference"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::Repeat(_val) => { + let mut formatter = formatter.debug_struct("Expr::Repeat"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("len", Lite(&_val.len)); + formatter.finish() + } + syn::Expr::Return(_val) => { + let mut formatter = formatter.debug_struct("Expr::Return"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.expr { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("expr", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Expr::Struct(_val) => { + let mut formatter = formatter.debug_struct("Expr::Struct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("path", Lite(&_val.path)); + if !_val.fields.is_empty() { + formatter.field("fields", Lite(&_val.fields)); + } + if let Some(val) = &_val.dot2_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Dot2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("dot2_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.rest { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("rest", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Expr::Try(_val) => { + let mut formatter = formatter.debug_struct("Expr::Try"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::TryBlock(_val) => { + let mut formatter = formatter.debug_struct("Expr::TryBlock"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } + syn::Expr::Tuple(_val) => { + let mut formatter = formatter.debug_struct("Expr::Tuple"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } + syn::Expr::Type(_val) => { + let mut formatter = formatter.debug_struct("Expr::Type"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } + syn::Expr::Unary(_val) => { + let mut formatter = formatter.debug_struct("Expr::Unary"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("op", Lite(&_val.op)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Expr::Unsafe(_val) => { + let mut formatter = formatter.debug_struct("Expr::Unsafe"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } + syn::Expr::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + syn::Expr::While(_val) => { + let mut formatter = formatter.debug_struct("Expr::While"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("cond", Lite(&_val.cond)); + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } + syn::Expr::Yield(_val) => { + let mut formatter = formatter.debug_struct("Expr::Yield"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.expr { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("expr", Print::ref_cast(val)); + } + formatter.finish() + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::ExprArray> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprArray"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprAssign> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprAssign"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("left", Lite(&_val.left)); + formatter.field("right", Lite(&_val.right)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprAssignOp> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprAssignOp"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("left", Lite(&_val.left)); + formatter.field("op", Lite(&_val.op)); + formatter.field("right", Lite(&_val.right)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprAsync> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprAsync"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.capture { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Move); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("capture", Print::ref_cast(val)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprAwait> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprAwait"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("base", Lite(&_val.base)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprBinary> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprBinary"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("left", Lite(&_val.left)); + formatter.field("op", Lite(&_val.op)); + formatter.field("right", Lite(&_val.right)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprBlock> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprBlock"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprBox> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprBox"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprBreak> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprBreak"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Lifetime); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + if let Some(val) = &_val.expr { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("expr", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprCall> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprCall"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("func", Lite(&_val.func)); + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprCast> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprCast"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprClosure> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprClosure"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.movability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Static); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("movability", Print::ref_cast(val)); + } + if let Some(val) = &_val.asyncness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Async); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("asyncness", Print::ref_cast(val)); + } + if let Some(val) = &_val.capture { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Move); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("capture", Print::ref_cast(val)); + } + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + formatter.field("output", Lite(&_val.output)); + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprContinue> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprContinue"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Lifetime); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprField> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprField"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("base", Lite(&_val.base)); + formatter.field("member", Lite(&_val.member)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprForLoop> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprForLoop"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.field("expr", Lite(&_val.expr)); + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprGroup> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprGroup"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprIf> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprIf"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("cond", Lite(&_val.cond)); + formatter.field("then_branch", Lite(&_val.then_branch)); + if let Some(val) = &_val.else_branch { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Else, Box<syn::Expr>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("else_branch", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprIndex> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprIndex"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("index", Lite(&_val.index)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprLet> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprLet"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprLit> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprLit"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("lit", Lite(&_val.lit)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprLoop> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprLoop"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprMacro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprMatch> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprMatch"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + if !_val.arms.is_empty() { + formatter.field("arms", Lite(&_val.arms)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprMethodCall> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprMethodCall"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("receiver", Lite(&_val.receiver)); + formatter.field("method", Lite(&_val.method)); + if let Some(val) = &_val.turbofish { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::MethodTurbofish); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("turbofish", Print::ref_cast(val)); + } + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprParen> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprParen"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprPath> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprPath"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.qself { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::QSelf); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("qself", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprRange> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprRange"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.from { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("from", Print::ref_cast(val)); + } + formatter.field("limits", Lite(&_val.limits)); + if let Some(val) = &_val.to { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("to", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprReference> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprReference"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprRepeat> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprRepeat"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("len", Lite(&_val.len)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprReturn> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprReturn"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.expr { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("expr", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprStruct> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprStruct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("path", Lite(&_val.path)); + if !_val.fields.is_empty() { + formatter.field("fields", Lite(&_val.fields)); + } + if let Some(val) = &_val.dot2_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Dot2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("dot2_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.rest { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("rest", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprTry> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprTry"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprTryBlock> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprTryBlock"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprTuple> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprTuple"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ExprType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprType"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprUnary> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprUnary"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("op", Lite(&_val.op)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprUnsafe> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprUnsafe"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprWhile> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprWhile"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.label { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Label); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("label", Print::ref_cast(val)); + } + formatter.field("cond", Lite(&_val.cond)); + formatter.field("body", Lite(&_val.body)); + formatter.finish() + } +} +impl Debug for Lite<syn::ExprYield> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ExprYield"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.expr { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Box<syn::Expr>); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("expr", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Field> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Field"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.ident { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(proc_macro2::Ident); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("ident", Print::ref_cast(val)); + } + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::FieldPat> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("FieldPat"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("member", Lite(&_val.member)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } +} +impl Debug for Lite<syn::FieldValue> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("FieldValue"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("member", Lite(&_val.member)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::Fields> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Fields::Named(_val) => { + let mut formatter = formatter.debug_struct("Fields::Named"); + if !_val.named.is_empty() { + formatter.field("named", Lite(&_val.named)); + } + formatter.finish() + } + syn::Fields::Unnamed(_val) => { + let mut formatter = formatter.debug_struct("Fields::Unnamed"); + if !_val.unnamed.is_empty() { + formatter.field("unnamed", Lite(&_val.unnamed)); + } + formatter.finish() + } + syn::Fields::Unit => formatter.write_str("Unit"), + } + } +} +impl Debug for Lite<syn::FieldsNamed> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("FieldsNamed"); + if !_val.named.is_empty() { + formatter.field("named", Lite(&_val.named)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::FieldsUnnamed> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("FieldsUnnamed"); + if !_val.unnamed.is_empty() { + formatter.field("unnamed", Lite(&_val.unnamed)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::File> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("File"); + if let Some(val) = &_val.shebang { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(String); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("shebang", Print::ref_cast(val)); + } + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::FnArg> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::FnArg::Receiver(_val) => { + formatter.write_str("Receiver")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::FnArg::Typed(_val) => { + formatter.write_str("Typed")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::ForeignItem> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::ForeignItem::Fn(_val) => { + let mut formatter = formatter.debug_struct("ForeignItem::Fn"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("sig", Lite(&_val.sig)); + formatter.finish() + } + syn::ForeignItem::Static(_val) => { + let mut formatter = formatter.debug_struct("ForeignItem::Static"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } + syn::ForeignItem::Type(_val) => { + let mut formatter = formatter.debug_struct("ForeignItem::Type"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.finish() + } + syn::ForeignItem::Macro(_val) => { + let mut formatter = formatter.debug_struct("ForeignItem::Macro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::ForeignItem::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::ForeignItemFn> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ForeignItemFn"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("sig", Lite(&_val.sig)); + formatter.finish() + } +} +impl Debug for Lite<syn::ForeignItemMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ForeignItemMacro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ForeignItemStatic> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ForeignItemStatic"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::ForeignItemType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ForeignItemType"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.finish() + } +} +impl Debug for Lite<syn::GenericArgument> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::GenericArgument::Lifetime(_val) => { + formatter.write_str("Lifetime")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericArgument::Type(_val) => { + formatter.write_str("Type")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericArgument::Const(_val) => { + formatter.write_str("Const")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericArgument::Binding(_val) => { + formatter.write_str("Binding")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericArgument::Constraint(_val) => { + formatter.write_str("Constraint")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::GenericMethodArgument> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::GenericMethodArgument::Type(_val) => { + formatter.write_str("Type")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericMethodArgument::Const(_val) => { + formatter.write_str("Const")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::GenericParam> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::GenericParam::Type(_val) => { + formatter.write_str("Type")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericParam::Lifetime(_val) => { + formatter.write_str("Lifetime")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::GenericParam::Const(_val) => { + formatter.write_str("Const")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Generics> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Generics"); + if let Some(val) = &_val.lt_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Lt); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("lt_token", Print::ref_cast(val)); + } + if !_val.params.is_empty() { + formatter.field("params", Lite(&_val.params)); + } + if let Some(val) = &_val.gt_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Gt); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("gt_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.where_clause { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::WhereClause); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("where_clause", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ImplItem> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::ImplItem::Const(_val) => { + let mut formatter = formatter.debug_struct("ImplItem::Const"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::ImplItem::Method(_val) => { + let mut formatter = formatter.debug_struct("ImplItem::Method"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + formatter.field("sig", Lite(&_val.sig)); + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } + syn::ImplItem::Type(_val) => { + let mut formatter = formatter.debug_struct("ImplItem::Type"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } + syn::ImplItem::Macro(_val) => { + let mut formatter = formatter.debug_struct("ImplItem::Macro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::ImplItem::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::ImplItemConst> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ImplItemConst"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ImplItemMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ImplItemMacro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ImplItemMethod> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ImplItemMethod"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + formatter.field("sig", Lite(&_val.sig)); + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } +} +impl Debug for Lite<syn::ImplItemType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ImplItemType"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::Index> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Index"); + formatter.field("index", Lite(&_val.index)); + formatter.finish() + } +} +impl Debug for Lite<syn::Item> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Item::Const(_val) => { + let mut formatter = formatter.debug_struct("Item::Const"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Item::Enum(_val) => { + let mut formatter = formatter.debug_struct("Item::Enum"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if !_val.variants.is_empty() { + formatter.field("variants", Lite(&_val.variants)); + } + formatter.finish() + } + syn::Item::ExternCrate(_val) => { + let mut formatter = formatter.debug_struct("Item::ExternCrate"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.rename { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::As, proc_macro2::Ident)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("rename", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Item::Fn(_val) => { + let mut formatter = formatter.debug_struct("Item::Fn"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("sig", Lite(&_val.sig)); + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } + syn::Item::ForeignMod(_val) => { + let mut formatter = formatter.debug_struct("Item::ForeignMod"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("abi", Lite(&_val.abi)); + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } + syn::Item::Impl(_val) => { + let mut formatter = formatter.debug_struct("Item::Impl"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + formatter.field("generics", Lite(&_val.generics)); + if let Some(val) = &_val.trait_ { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((Option<syn::token::Bang>, syn::Path, syn::token::For)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt( + &( + { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Option<syn::token::Bang>); + impl Debug for Print { + fn fmt( + &self, + formatter: &mut fmt::Formatter, + ) -> fmt::Result { + match &self.0 { + Some(_val) => { + formatter.write_str("Some")?; + Ok(()) + } + None => formatter.write_str("None"), + } + } + } + Print::ref_cast(&_val.0) + }, + Lite(&_val.1), + ), + formatter, + )?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("trait_", Print::ref_cast(val)); + } + formatter.field("self_ty", Lite(&_val.self_ty)); + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } + syn::Item::Macro(_val) => { + let mut formatter = formatter.debug_struct("Item::Macro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.ident { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(proc_macro2::Ident); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("ident", Print::ref_cast(val)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Item::Macro2(_val) => { + let mut formatter = formatter.debug_struct("Item::Macro2"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("rules", Lite(&_val.rules)); + formatter.finish() + } + syn::Item::Mod(_val) => { + let mut formatter = formatter.debug_struct("Item::Mod"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.content { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Brace, Vec<syn::Item>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("content", Print::ref_cast(val)); + } + if let Some(val) = &_val.semi { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Item::Static(_val) => { + let mut formatter = formatter.debug_struct("Item::Static"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Item::Struct(_val) => { + let mut formatter = formatter.debug_struct("Item::Struct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("fields", Lite(&_val.fields)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Item::Trait(_val) => { + let mut formatter = formatter.debug_struct("Item::Trait"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + if let Some(val) = &_val.auto_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Auto); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("auto_token", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + if !_val.supertraits.is_empty() { + formatter.field("supertraits", Lite(&_val.supertraits)); + } + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } + syn::Item::TraitAlias(_val) => { + let mut formatter = formatter.debug_struct("Item::TraitAlias"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } + syn::Item::Type(_val) => { + let mut formatter = formatter.debug_struct("Item::Type"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } + syn::Item::Union(_val) => { + let mut formatter = formatter.debug_struct("Item::Union"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("fields", Lite(&_val.fields)); + formatter.finish() + } + syn::Item::Use(_val) => { + let mut formatter = formatter.debug_struct("Item::Use"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.leading_colon { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("leading_colon", Print::ref_cast(val)); + } + formatter.field("tree", Lite(&_val.tree)); + formatter.finish() + } + syn::Item::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::ItemConst> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemConst"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ItemEnum> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemEnum"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if !_val.variants.is_empty() { + formatter.field("variants", Lite(&_val.variants)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemExternCrate> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemExternCrate"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.rename { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::As, proc_macro2::Ident)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("rename", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemFn> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemFn"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("sig", Lite(&_val.sig)); + formatter.field("block", Lite(&_val.block)); + formatter.finish() + } +} +impl Debug for Lite<syn::ItemForeignMod> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemForeignMod"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("abi", Lite(&_val.abi)); + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemImpl> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemImpl"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.defaultness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Default); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("defaultness", Print::ref_cast(val)); + } + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + formatter.field("generics", Lite(&_val.generics)); + if let Some(val) = &_val.trait_ { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((Option<syn::token::Bang>, syn::Path, syn::token::For)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt( + &( + { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Option<syn::token::Bang>); + impl Debug for Print { + fn fmt( + &self, + formatter: &mut fmt::Formatter, + ) -> fmt::Result { + match &self.0 { + Some(_val) => { + formatter.write_str("Some")?; + Ok(()) + } + None => formatter.write_str("None"), + } + } + } + Print::ref_cast(&_val.0) + }, + Lite(&_val.1), + ), + formatter, + )?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("trait_", Print::ref_cast(val)); + } + formatter.field("self_ty", Lite(&_val.self_ty)); + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemMacro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.ident { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(proc_macro2::Ident); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("ident", Print::ref_cast(val)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemMacro2> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemMacro2"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("rules", Lite(&_val.rules)); + formatter.finish() + } +} +impl Debug for Lite<syn::ItemMod> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemMod"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.content { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Brace, Vec<syn::Item>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("content", Print::ref_cast(val)); + } + if let Some(val) = &_val.semi { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemStatic> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemStatic"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::ItemStruct> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemStruct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("fields", Lite(&_val.fields)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemTrait> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemTrait"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + if let Some(val) = &_val.auto_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Auto); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("auto_token", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + if !_val.supertraits.is_empty() { + formatter.field("supertraits", Lite(&_val.supertraits)); + } + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemTraitAlias> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemTraitAlias"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ItemType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemType"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::ItemUnion> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemUnion"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + formatter.field("fields", Lite(&_val.fields)); + formatter.finish() + } +} +impl Debug for Lite<syn::ItemUse> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ItemUse"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("vis", Lite(&_val.vis)); + if let Some(val) = &_val.leading_colon { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("leading_colon", Print::ref_cast(val)); + } + formatter.field("tree", Lite(&_val.tree)); + formatter.finish() + } +} +impl Debug for Lite<syn::Label> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Label"); + formatter.field("name", Lite(&_val.name)); + formatter.finish() + } +} +impl Debug for Lite<syn::Lifetime> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Lifetime"); + formatter.field("ident", Lite(&_val.ident)); + formatter.finish() + } +} +impl Debug for Lite<syn::LifetimeDef> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("LifetimeDef"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("lifetime", Lite(&_val.lifetime)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Lit> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Lit::Str(_val) => write!(formatter, "{:?}", _val.value()), + syn::Lit::ByteStr(_val) => write!(formatter, "{:?}", _val.value()), + syn::Lit::Byte(_val) => write!(formatter, "{:?}", _val.value()), + syn::Lit::Char(_val) => write!(formatter, "{:?}", _val.value()), + syn::Lit::Int(_val) => write!(formatter, "{}", _val), + syn::Lit::Float(_val) => write!(formatter, "{}", _val), + syn::Lit::Bool(_val) => { + let mut formatter = formatter.debug_struct("Lit::Bool"); + formatter.field("value", Lite(&_val.value)); + formatter.finish() + } + syn::Lit::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::LitBool> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("LitBool"); + formatter.field("value", Lite(&_val.value)); + formatter.finish() + } +} +impl Debug for Lite<syn::LitByte> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + write!(formatter, "{:?}", _val.value()) + } +} +impl Debug for Lite<syn::LitByteStr> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + write!(formatter, "{:?}", _val.value()) + } +} +impl Debug for Lite<syn::LitChar> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + write!(formatter, "{:?}", _val.value()) + } +} +impl Debug for Lite<syn::LitFloat> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + write!(formatter, "{}", _val) + } +} +impl Debug for Lite<syn::LitInt> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + write!(formatter, "{}", _val) + } +} +impl Debug for Lite<syn::LitStr> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + write!(formatter, "{:?}", _val.value()) + } +} +impl Debug for Lite<syn::Local> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Local"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + if let Some(val) = &_val.init { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Eq, Box<syn::Expr>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("init", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Macro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Macro"); + formatter.field("path", Lite(&_val.path)); + formatter.field("delimiter", Lite(&_val.delimiter)); + formatter.field("tokens", Lite(&_val.tokens)); + formatter.finish() + } +} +impl Debug for Lite<syn::MacroDelimiter> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::MacroDelimiter::Paren(_val) => { + formatter.write_str("Paren")?; + Ok(()) + } + syn::MacroDelimiter::Brace(_val) => { + formatter.write_str("Brace")?; + Ok(()) + } + syn::MacroDelimiter::Bracket(_val) => { + formatter.write_str("Bracket")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Member> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Member::Named(_val) => { + formatter.write_str("Named")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::Member::Unnamed(_val) => { + formatter.write_str("Unnamed")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Meta> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Meta::Path(_val) => { + formatter.write_str("Path")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::Meta::List(_val) => { + let mut formatter = formatter.debug_struct("Meta::List"); + formatter.field("path", Lite(&_val.path)); + if !_val.nested.is_empty() { + formatter.field("nested", Lite(&_val.nested)); + } + formatter.finish() + } + syn::Meta::NameValue(_val) => { + let mut formatter = formatter.debug_struct("Meta::NameValue"); + formatter.field("path", Lite(&_val.path)); + formatter.field("lit", Lite(&_val.lit)); + formatter.finish() + } + } + } +} +impl Debug for Lite<syn::MetaList> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("MetaList"); + formatter.field("path", Lite(&_val.path)); + if !_val.nested.is_empty() { + formatter.field("nested", Lite(&_val.nested)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::MetaNameValue> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("MetaNameValue"); + formatter.field("path", Lite(&_val.path)); + formatter.field("lit", Lite(&_val.lit)); + formatter.finish() + } +} +impl Debug for Lite<syn::MethodTurbofish> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("MethodTurbofish"); + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::NestedMeta> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::NestedMeta::Meta(_val) => { + formatter.write_str("Meta")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::NestedMeta::Lit(_val) => { + formatter.write_str("Lit")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::ParenthesizedGenericArguments> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("ParenthesizedGenericArguments"); + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + formatter.field("output", Lite(&_val.output)); + formatter.finish() + } +} +impl Debug for Lite<syn::Pat> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Pat::Box(_val) => { + let mut formatter = formatter.debug_struct("Pat::Box"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } + syn::Pat::Ident(_val) => { + let mut formatter = formatter.debug_struct("Pat::Ident"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.by_ref { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Ref); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("by_ref", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.subpat { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::At, Box<syn::Pat>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("subpat", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Pat::Lit(_val) => { + let mut formatter = formatter.debug_struct("Pat::Lit"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } + syn::Pat::Macro(_val) => { + let mut formatter = formatter.debug_struct("Pat::Macro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + formatter.finish() + } + syn::Pat::Or(_val) => { + let mut formatter = formatter.debug_struct("Pat::Or"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.leading_vert { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Or); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("leading_vert", Print::ref_cast(val)); + } + if !_val.cases.is_empty() { + formatter.field("cases", Lite(&_val.cases)); + } + formatter.finish() + } + syn::Pat::Path(_val) => { + let mut formatter = formatter.debug_struct("Pat::Path"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.qself { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::QSelf); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("qself", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } + syn::Pat::Range(_val) => { + let mut formatter = formatter.debug_struct("Pat::Range"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("lo", Lite(&_val.lo)); + formatter.field("limits", Lite(&_val.limits)); + formatter.field("hi", Lite(&_val.hi)); + formatter.finish() + } + syn::Pat::Reference(_val) => { + let mut formatter = formatter.debug_struct("Pat::Reference"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } + syn::Pat::Rest(_val) => { + let mut formatter = formatter.debug_struct("Pat::Rest"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.finish() + } + syn::Pat::Slice(_val) => { + let mut formatter = formatter.debug_struct("Pat::Slice"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } + syn::Pat::Struct(_val) => { + let mut formatter = formatter.debug_struct("Pat::Struct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("path", Lite(&_val.path)); + if !_val.fields.is_empty() { + formatter.field("fields", Lite(&_val.fields)); + } + if let Some(val) = &_val.dot2_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Dot2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("dot2_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::Pat::Tuple(_val) => { + let mut formatter = formatter.debug_struct("Pat::Tuple"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } + syn::Pat::TupleStruct(_val) => { + let mut formatter = formatter.debug_struct("Pat::TupleStruct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("path", Lite(&_val.path)); + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } + syn::Pat::Type(_val) => { + let mut formatter = formatter.debug_struct("Pat::Type"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } + syn::Pat::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + syn::Pat::Wild(_val) => { + let mut formatter = formatter.debug_struct("Pat::Wild"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.finish() + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::PatBox> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatBox"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatIdent> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatIdent"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.by_ref { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Ref); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("by_ref", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.subpat { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::At, Box<syn::Pat>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("subpat", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PatLit> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatLit"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("expr", Lite(&_val.expr)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatMacro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatOr> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatOr"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.leading_vert { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Or); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("leading_vert", Print::ref_cast(val)); + } + if !_val.cases.is_empty() { + formatter.field("cases", Lite(&_val.cases)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PatPath> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatPath"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.qself { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::QSelf); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("qself", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatRange> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatRange"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("lo", Lite(&_val.lo)); + formatter.field("limits", Lite(&_val.limits)); + formatter.field("hi", Lite(&_val.hi)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatReference> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatReference"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatRest> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatRest"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PatSlice> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatSlice"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PatStruct> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatStruct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("path", Lite(&_val.path)); + if !_val.fields.is_empty() { + formatter.field("fields", Lite(&_val.fields)); + } + if let Some(val) = &_val.dot2_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Dot2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("dot2_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PatTuple> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatTuple"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PatTupleStruct> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatTupleStruct"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("path", Lite(&_val.path)); + formatter.field("pat", Lite(&_val.pat)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatType"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("pat", Lite(&_val.pat)); + formatter.field("ty", Lite(&_val.ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::PatWild> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PatWild"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Path> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Path"); + if let Some(val) = &_val.leading_colon { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("leading_colon", Print::ref_cast(val)); + } + if !_val.segments.is_empty() { + formatter.field("segments", Lite(&_val.segments)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PathArguments> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::PathArguments::None => formatter.write_str("None"), + syn::PathArguments::AngleBracketed(_val) => { + let mut formatter = formatter + .debug_struct("PathArguments::AngleBracketed"); + if let Some(val) = &_val.colon2_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon2); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon2_token", Print::ref_cast(val)); + } + if !_val.args.is_empty() { + formatter.field("args", Lite(&_val.args)); + } + formatter.finish() + } + syn::PathArguments::Parenthesized(_val) => { + let mut formatter = formatter + .debug_struct("PathArguments::Parenthesized"); + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + formatter.field("output", Lite(&_val.output)); + formatter.finish() + } + } + } +} +impl Debug for Lite<syn::PathSegment> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PathSegment"); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("arguments", Lite(&_val.arguments)); + formatter.finish() + } +} +impl Debug for Lite<syn::PredicateEq> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PredicateEq"); + formatter.field("lhs_ty", Lite(&_val.lhs_ty)); + formatter.field("rhs_ty", Lite(&_val.rhs_ty)); + formatter.finish() + } +} +impl Debug for Lite<syn::PredicateLifetime> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PredicateLifetime"); + formatter.field("lifetime", Lite(&_val.lifetime)); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::PredicateType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("PredicateType"); + if let Some(val) = &_val.lifetimes { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::BoundLifetimes); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("lifetimes", Print::ref_cast(val)); + } + formatter.field("bounded_ty", Lite(&_val.bounded_ty)); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::QSelf> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("QSelf"); + formatter.field("ty", Lite(&_val.ty)); + formatter.field("position", Lite(&_val.position)); + if let Some(val) = &_val.as_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::As); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("as_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::RangeLimits> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::RangeLimits::HalfOpen(_val) => { + formatter.write_str("HalfOpen")?; + Ok(()) + } + syn::RangeLimits::Closed(_val) => { + formatter.write_str("Closed")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Receiver> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Receiver"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + if let Some(val) = &_val.reference { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::And, Option<syn::Lifetime>)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt( + { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(Option<syn::Lifetime>); + impl Debug for Print { + fn fmt( + &self, + formatter: &mut fmt::Formatter, + ) -> fmt::Result { + match &self.0 { + Some(_val) => { + formatter.write_str("Some")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + None => formatter.write_str("None"), + } + } + } + Print::ref_cast(&_val.1) + }, + formatter, + )?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("reference", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::ReturnType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::ReturnType::Default => formatter.write_str("Default"), + syn::ReturnType::Type(_v0, _v1) => { + let mut formatter = formatter.debug_tuple("Type"); + formatter.field(Lite(_v1)); + formatter.finish() + } + } + } +} +impl Debug for Lite<syn::Signature> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Signature"); + if let Some(val) = &_val.constness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Const); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("constness", Print::ref_cast(val)); + } + if let Some(val) = &_val.asyncness { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Async); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("asyncness", Print::ref_cast(val)); + } + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + if let Some(val) = &_val.abi { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Abi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("abi", Print::ref_cast(val)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + if let Some(val) = &_val.variadic { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Variadic); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("variadic", Print::ref_cast(val)); + } + formatter.field("output", Lite(&_val.output)); + formatter.finish() + } +} +impl Debug for Lite<syn::Stmt> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Stmt::Local(_val) => { + formatter.write_str("Local")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::Stmt::Item(_val) => { + formatter.write_str("Item")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::Stmt::Expr(_val) => { + formatter.write_str("Expr")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::Stmt::Semi(_v0, _v1) => { + let mut formatter = formatter.debug_tuple("Semi"); + formatter.field(Lite(_v0)); + formatter.finish() + } + } + } +} +impl Debug for Lite<syn::TraitBound> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TraitBound"); + if let Some(val) = &_val.paren_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Paren); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("paren_token", Print::ref_cast(val)); + } + formatter.field("modifier", Lite(&_val.modifier)); + if let Some(val) = &_val.lifetimes { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::BoundLifetimes); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("lifetimes", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } +} +impl Debug for Lite<syn::TraitBoundModifier> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::TraitBoundModifier::None => formatter.write_str("None"), + syn::TraitBoundModifier::Maybe(_val) => { + formatter.write_str("Maybe")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::TraitItem> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::TraitItem::Const(_val) => { + let mut formatter = formatter.debug_struct("TraitItem::Const"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Eq, syn::Expr)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + formatter.finish() + } + syn::TraitItem::Method(_val) => { + let mut formatter = formatter.debug_struct("TraitItem::Method"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("sig", Lite(&_val.sig)); + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Block); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::TraitItem::Type(_val) => { + let mut formatter = formatter.debug_struct("TraitItem::Type"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Eq, syn::Type)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + formatter.finish() + } + syn::TraitItem::Macro(_val) => { + let mut formatter = formatter.debug_struct("TraitItem::Macro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } + syn::TraitItem::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::TraitItemConst> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TraitItemConst"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("ty", Lite(&_val.ty)); + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Eq, syn::Expr)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::TraitItemMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TraitItemMacro"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("mac", Lite(&_val.mac)); + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::TraitItemMethod> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TraitItemMethod"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("sig", Lite(&_val.sig)); + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Block); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + if let Some(val) = &_val.semi_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Semi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("semi_token", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::TraitItemType> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TraitItemType"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("generics", Lite(&_val.generics)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Eq, syn::Type)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Type> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Type::Array(_val) => { + let mut formatter = formatter.debug_struct("Type::Array"); + formatter.field("elem", Lite(&_val.elem)); + formatter.field("len", Lite(&_val.len)); + formatter.finish() + } + syn::Type::BareFn(_val) => { + let mut formatter = formatter.debug_struct("Type::BareFn"); + if let Some(val) = &_val.lifetimes { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::BoundLifetimes); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("lifetimes", Print::ref_cast(val)); + } + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + if let Some(val) = &_val.abi { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Abi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("abi", Print::ref_cast(val)); + } + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + if let Some(val) = &_val.variadic { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Variadic); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("variadic", Print::ref_cast(val)); + } + formatter.field("output", Lite(&_val.output)); + formatter.finish() + } + syn::Type::Group(_val) => { + let mut formatter = formatter.debug_struct("Type::Group"); + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } + syn::Type::ImplTrait(_val) => { + let mut formatter = formatter.debug_struct("Type::ImplTrait"); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } + syn::Type::Infer(_val) => { + let mut formatter = formatter.debug_struct("Type::Infer"); + formatter.finish() + } + syn::Type::Macro(_val) => { + let mut formatter = formatter.debug_struct("Type::Macro"); + formatter.field("mac", Lite(&_val.mac)); + formatter.finish() + } + syn::Type::Never(_val) => { + let mut formatter = formatter.debug_struct("Type::Never"); + formatter.finish() + } + syn::Type::Paren(_val) => { + let mut formatter = formatter.debug_struct("Type::Paren"); + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } + syn::Type::Path(_val) => { + let mut formatter = formatter.debug_struct("Type::Path"); + if let Some(val) = &_val.qself { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::QSelf); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("qself", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } + syn::Type::Ptr(_val) => { + let mut formatter = formatter.debug_struct("Type::Ptr"); + if let Some(val) = &_val.const_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Const); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("const_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } + syn::Type::Reference(_val) => { + let mut formatter = formatter.debug_struct("Type::Reference"); + if let Some(val) = &_val.lifetime { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Lifetime); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("lifetime", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } + syn::Type::Slice(_val) => { + let mut formatter = formatter.debug_struct("Type::Slice"); + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } + syn::Type::TraitObject(_val) => { + let mut formatter = formatter.debug_struct("Type::TraitObject"); + if let Some(val) = &_val.dyn_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Dyn); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("dyn_token", Print::ref_cast(val)); + } + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } + syn::Type::Tuple(_val) => { + let mut formatter = formatter.debug_struct("Type::Tuple"); + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } + syn::Type::Verbatim(_val) => { + formatter.write_str("Verbatim")?; + formatter.write_str("(`")?; + Display::fmt(_val, formatter)?; + formatter.write_str("`)")?; + Ok(()) + } + _ => unreachable!(), + } + } +} +impl Debug for Lite<syn::TypeArray> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeArray"); + formatter.field("elem", Lite(&_val.elem)); + formatter.field("len", Lite(&_val.len)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeBareFn> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeBareFn"); + if let Some(val) = &_val.lifetimes { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::BoundLifetimes); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("lifetimes", Print::ref_cast(val)); + } + if let Some(val) = &_val.unsafety { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Unsafe); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("unsafety", Print::ref_cast(val)); + } + if let Some(val) = &_val.abi { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Abi); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("abi", Print::ref_cast(val)); + } + if !_val.inputs.is_empty() { + formatter.field("inputs", Lite(&_val.inputs)); + } + if let Some(val) = &_val.variadic { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Variadic); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("variadic", Print::ref_cast(val)); + } + formatter.field("output", Lite(&_val.output)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeGroup> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeGroup"); + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeImplTrait> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeImplTrait"); + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::TypeInfer> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeInfer"); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeMacro> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeMacro"); + formatter.field("mac", Lite(&_val.mac)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeNever> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeNever"); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeParam> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeParam"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + if let Some(val) = &_val.colon_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Colon); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("colon_token", Print::ref_cast(val)); + } + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + if let Some(val) = &_val.eq_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Eq); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("eq_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.default { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Type); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("default", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::TypeParamBound> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::TypeParamBound::Trait(_val) => { + formatter.write_str("Trait")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::TypeParamBound::Lifetime(_val) => { + formatter.write_str("Lifetime")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::TypeParen> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeParen"); + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypePath> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypePath"); + if let Some(val) = &_val.qself { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::QSelf); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("qself", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypePtr> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypePtr"); + if let Some(val) = &_val.const_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Const); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("const_token", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeReference> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeReference"); + if let Some(val) = &_val.lifetime { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::Lifetime); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("lifetime", Print::ref_cast(val)); + } + if let Some(val) = &_val.mutability { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Mut); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("mutability", Print::ref_cast(val)); + } + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeSlice> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeSlice"); + formatter.field("elem", Lite(&_val.elem)); + formatter.finish() + } +} +impl Debug for Lite<syn::TypeTraitObject> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeTraitObject"); + if let Some(val) = &_val.dyn_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::Dyn); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("dyn_token", Print::ref_cast(val)); + } + if !_val.bounds.is_empty() { + formatter.field("bounds", Lite(&_val.bounds)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::TypeTuple> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("TypeTuple"); + if !_val.elems.is_empty() { + formatter.field("elems", Lite(&_val.elems)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::UnOp> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::UnOp::Deref(_val) => { + formatter.write_str("Deref")?; + Ok(()) + } + syn::UnOp::Not(_val) => { + formatter.write_str("Not")?; + Ok(()) + } + syn::UnOp::Neg(_val) => { + formatter.write_str("Neg")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::UseGlob> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("UseGlob"); + formatter.finish() + } +} +impl Debug for Lite<syn::UseGroup> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("UseGroup"); + if !_val.items.is_empty() { + formatter.field("items", Lite(&_val.items)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::UseName> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("UseName"); + formatter.field("ident", Lite(&_val.ident)); + formatter.finish() + } +} +impl Debug for Lite<syn::UsePath> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("UsePath"); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("tree", Lite(&_val.tree)); + formatter.finish() + } +} +impl Debug for Lite<syn::UseRename> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("UseRename"); + formatter.field("ident", Lite(&_val.ident)); + formatter.field("rename", Lite(&_val.rename)); + formatter.finish() + } +} +impl Debug for Lite<syn::UseTree> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::UseTree::Path(_val) => { + formatter.write_str("Path")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::UseTree::Name(_val) => { + formatter.write_str("Name")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::UseTree::Rename(_val) => { + formatter.write_str("Rename")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::UseTree::Glob(_val) => { + formatter.write_str("Glob")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::UseTree::Group(_val) => { + formatter.write_str("Group")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} +impl Debug for Lite<syn::Variadic> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Variadic"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::Variant> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("Variant"); + if !_val.attrs.is_empty() { + formatter.field("attrs", Lite(&_val.attrs)); + } + formatter.field("ident", Lite(&_val.ident)); + formatter.field("fields", Lite(&_val.fields)); + if let Some(val) = &_val.discriminant { + #[derive(RefCast)] + #[repr(transparent)] + struct Print((syn::token::Eq, syn::Expr)); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + let _val = &self.0; + formatter.write_str("(")?; + Debug::fmt(Lite(&_val.1), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + formatter.field("discriminant", Print::ref_cast(val)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::VisCrate> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("VisCrate"); + formatter.finish() + } +} +impl Debug for Lite<syn::VisPublic> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("VisPublic"); + formatter.finish() + } +} +impl Debug for Lite<syn::VisRestricted> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("VisRestricted"); + if let Some(val) = &_val.in_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::In); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("in_token", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } +} +impl Debug for Lite<syn::Visibility> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::Visibility::Public(_val) => { + let mut formatter = formatter.debug_struct("Visibility::Public"); + formatter.finish() + } + syn::Visibility::Crate(_val) => { + let mut formatter = formatter.debug_struct("Visibility::Crate"); + formatter.finish() + } + syn::Visibility::Restricted(_val) => { + let mut formatter = formatter.debug_struct("Visibility::Restricted"); + if let Some(val) = &_val.in_token { + #[derive(RefCast)] + #[repr(transparent)] + struct Print(syn::token::In); + impl Debug for Print { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter.write_str("Some")?; + Ok(()) + } + } + formatter.field("in_token", Print::ref_cast(val)); + } + formatter.field("path", Lite(&_val.path)); + formatter.finish() + } + syn::Visibility::Inherited => formatter.write_str("Inherited"), + } + } +} +impl Debug for Lite<syn::WhereClause> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + let mut formatter = formatter.debug_struct("WhereClause"); + if !_val.predicates.is_empty() { + formatter.field("predicates", Lite(&_val.predicates)); + } + formatter.finish() + } +} +impl Debug for Lite<syn::WherePredicate> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let _val = &self.value; + match _val { + syn::WherePredicate::Type(_val) => { + formatter.write_str("Type")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::WherePredicate::Lifetime(_val) => { + formatter.write_str("Lifetime")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + syn::WherePredicate::Eq(_val) => { + formatter.write_str("Eq")?; + formatter.write_str("(")?; + Debug::fmt(Lite(_val), formatter)?; + formatter.write_str(")")?; + Ok(()) + } + } + } +} diff --git a/third_party/rust/syn/tests/debug/mod.rs b/third_party/rust/syn/tests/debug/mod.rs new file mode 100644 index 0000000000..0a0991a924 --- /dev/null +++ b/third_party/rust/syn/tests/debug/mod.rs @@ -0,0 +1,125 @@ +#![allow( + clippy::no_effect_underscore_binding, + clippy::too_many_lines, + clippy::used_underscore_binding +)] + +#[rustfmt::skip] +mod gen; + +use proc_macro2::{Ident, Literal, TokenStream}; +use ref_cast::RefCast; +use std::fmt::{self, Debug}; +use std::ops::Deref; +use syn::punctuated::Punctuated; + +#[derive(RefCast)] +#[repr(transparent)] +pub struct Lite<T: ?Sized> { + value: T, +} + +#[allow(non_snake_case)] +pub fn Lite<T: ?Sized>(value: &T) -> &Lite<T> { + Lite::ref_cast(value) +} + +impl<T: ?Sized> Deref for Lite<T> { + type Target = T; + + fn deref(&self) -> &Self::Target { + &self.value + } +} + +impl Debug for Lite<bool> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "{}", self.value) + } +} + +impl Debug for Lite<u32> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "{}", self.value) + } +} + +impl Debug for Lite<usize> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "{}", self.value) + } +} + +impl Debug for Lite<String> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "{:?}", self.value) + } +} + +impl Debug for Lite<Ident> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "{:?}", self.value.to_string()) + } +} + +impl Debug for Lite<Literal> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "{}", self.value) + } +} + +impl Debug for Lite<TokenStream> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + let string = self.value.to_string(); + if string.len() <= 80 { + write!(formatter, "TokenStream(`{}`)", self.value) + } else { + formatter + .debug_tuple("TokenStream") + .field(&format_args!("`{}`", string)) + .finish() + } + } +} + +impl<'a, T> Debug for Lite<&'a T> +where + Lite<T>: Debug, +{ + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + Debug::fmt(Lite(self.value), formatter) + } +} + +impl<T> Debug for Lite<Box<T>> +where + Lite<T>: Debug, +{ + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + Debug::fmt(Lite(&*self.value), formatter) + } +} + +impl<T> Debug for Lite<Vec<T>> +where + Lite<T>: Debug, +{ + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter + .debug_list() + .entries(self.value.iter().map(Lite)) + .finish() + } +} + +impl<T, P> Debug for Lite<Punctuated<T, P>> +where + Lite<T>: Debug, +{ + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter + .debug_list() + .entries(self.value.iter().map(Lite)) + .finish() + } +} diff --git a/third_party/rust/syn/tests/macros/mod.rs b/third_party/rust/syn/tests/macros/mod.rs new file mode 100644 index 0000000000..5ca88b083b --- /dev/null +++ b/third_party/rust/syn/tests/macros/mod.rs @@ -0,0 +1,79 @@ +#![allow(unused_macros, unused_macro_rules)] + +#[path = "../debug/mod.rs"] +pub mod debug; + +use syn::parse::{Parse, Result}; + +macro_rules! errorf { + ($($tt:tt)*) => {{ + use ::std::io::Write; + let stderr = ::std::io::stderr(); + write!(stderr.lock(), $($tt)*).unwrap(); + }}; +} + +macro_rules! punctuated { + ($($e:expr,)+) => {{ + let mut seq = ::syn::punctuated::Punctuated::new(); + $( + seq.push($e); + )+ + seq + }}; + + ($($e:expr),+) => { + punctuated!($($e,)+) + }; +} + +macro_rules! snapshot { + ($($args:tt)*) => { + snapshot_impl!(() $($args)*) + }; +} + +macro_rules! snapshot_impl { + (($expr:ident) as $t:ty, @$snapshot:literal) => { + let $expr = crate::macros::Tokens::parse::<$t>($expr).unwrap(); + let debug = crate::macros::debug::Lite(&$expr); + if !cfg!(miri) { + insta::assert_debug_snapshot!(debug, @$snapshot); + } + }; + (($($expr:tt)*) as $t:ty, @$snapshot:literal) => {{ + let syntax_tree = crate::macros::Tokens::parse::<$t>($($expr)*).unwrap(); + let debug = crate::macros::debug::Lite(&syntax_tree); + if !cfg!(miri) { + insta::assert_debug_snapshot!(debug, @$snapshot); + } + syntax_tree + }}; + (($($expr:tt)*) , @$snapshot:literal) => {{ + let syntax_tree = $($expr)*; + let debug = crate::macros::debug::Lite(&syntax_tree); + if !cfg!(miri) { + insta::assert_debug_snapshot!(debug, @$snapshot); + } + syntax_tree + }}; + (($($expr:tt)*) $next:tt $($rest:tt)*) => { + snapshot_impl!(($($expr)* $next) $($rest)*) + }; +} + +pub trait Tokens { + fn parse<T: Parse>(self) -> Result<T>; +} + +impl<'a> Tokens for &'a str { + fn parse<T: Parse>(self) -> Result<T> { + syn::parse_str(self) + } +} + +impl Tokens for proc_macro2::TokenStream { + fn parse<T: Parse>(self) -> Result<T> { + syn::parse2(self) + } +} diff --git a/third_party/rust/syn/tests/regression.rs b/third_party/rust/syn/tests/regression.rs new file mode 100644 index 0000000000..fb2b25c89b --- /dev/null +++ b/third_party/rust/syn/tests/regression.rs @@ -0,0 +1,3 @@ +mod regression { + automod::dir!("tests/regression"); +} diff --git a/third_party/rust/syn/tests/regression/issue1108.rs b/third_party/rust/syn/tests/regression/issue1108.rs new file mode 100644 index 0000000000..4fd30c0c7a --- /dev/null +++ b/third_party/rust/syn/tests/regression/issue1108.rs @@ -0,0 +1,5 @@ +#[test] +fn issue1108() { + let data = "impl<x<>>::x for"; + _ = syn::parse_file(data); +} diff --git a/third_party/rust/syn/tests/regression/issue1235.rs b/third_party/rust/syn/tests/regression/issue1235.rs new file mode 100644 index 0000000000..8836030664 --- /dev/null +++ b/third_party/rust/syn/tests/regression/issue1235.rs @@ -0,0 +1,32 @@ +use proc_macro2::{Delimiter, Group}; +use quote::quote; + +#[test] +fn main() { + // Okay. Rustc allows top-level `static` with no value syntactically, but + // not semantically. Syn parses as Item::Verbatim. + let tokens = quote! { + pub static FOO: usize; + pub static BAR: usize; + }; + let file = syn::parse2::<syn::File>(tokens).unwrap(); + println!("{:#?}", file); + + // Okay. + let inner = Group::new( + Delimiter::None, + quote!(static FOO: usize = 0; pub static BAR: usize = 0), + ); + let tokens = quote!(pub #inner;); + let file = syn::parse2::<syn::File>(tokens).unwrap(); + println!("{:#?}", file); + + // Formerly parser crash. + let inner = Group::new( + Delimiter::None, + quote!(static FOO: usize; pub static BAR: usize), + ); + let tokens = quote!(pub #inner;); + let file = syn::parse2::<syn::File>(tokens).unwrap(); + println!("{:#?}", file); +} diff --git a/third_party/rust/syn/tests/repo/mod.rs b/third_party/rust/syn/tests/repo/mod.rs new file mode 100644 index 0000000000..8418b87192 --- /dev/null +++ b/third_party/rust/syn/tests/repo/mod.rs @@ -0,0 +1,215 @@ +#![allow(clippy::manual_assert)] + +mod progress; + +use self::progress::Progress; +use anyhow::Result; +use flate2::read::GzDecoder; +use std::fs; +use std::path::Path; +use tar::Archive; +use walkdir::DirEntry; + +const REVISION: &str = "98ad6a5519651af36e246c0335c964dd52c554ba"; + +#[rustfmt::skip] +static EXCLUDE_FILES: &[&str] = &[ + // TODO: impl ~const T {} + // https://github.com/dtolnay/syn/issues/1051 + "src/test/ui/rfc-2632-const-trait-impl/syntax.rs", + + // Compile-fail expr parameter in const generic position: f::<1 + 2>() + "src/test/ui/const-generics/early/closing-args-token.rs", + "src/test/ui/const-generics/early/const-expression-parameter.rs", + + // Need at least one trait in impl Trait, no such type as impl 'static + "src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs", + + // Deprecated anonymous parameter syntax in traits + "src/test/ui/issues/issue-13105.rs", + "src/test/ui/issues/issue-13775.rs", + "src/test/ui/issues/issue-34074.rs", + "src/test/ui/proc-macro/trait-fn-args-2015.rs", + "src/tools/rustfmt/tests/source/trait.rs", + "src/tools/rustfmt/tests/target/trait.rs", + + // Various extensions to Rust syntax made up by rust-analyzer + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0012_type_item_where_clause.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0040_crate_keyword_vis.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0131_existential_type.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0179_use_tree_abs_star.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0188_const_param_default_path.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0015_use_tree.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0029_range_forms.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0051_parameter_attrs.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0055_dot_dot_dot.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0068_item_modifiers.rs", + "src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0031_block_inner_attrs.rs", + "src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0045_ambiguous_trait_object.rs", + "src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0046_mutable_const_item.rs", + + // Placeholder syntax for "throw expressions" + "src/test/pretty/yeet-expr.rs", + "src/test/ui/try-trait/yeet-for-option.rs", + "src/test/ui/try-trait/yeet-for-result.rs", + + // Excessive nesting + "src/test/ui/issues/issue-74564-if-expr-stack-overflow.rs", + + // Testing tools on invalid syntax + "src/test/run-make/translation/test.rs", + "src/test/ui/generics/issue-94432-garbage-ice.rs", + "src/tools/rustfmt/tests/coverage/target/comments.rs", + "src/tools/rustfmt/tests/parser/issue-4126/invalid.rs", + "src/tools/rustfmt/tests/parser/issue_4418.rs", + "src/tools/rustfmt/tests/parser/unclosed-delims/issue_4466.rs", + "src/tools/rustfmt/tests/source/configs/disable_all_formatting/true.rs", + "src/tools/rustfmt/tests/source/configs/spaces_around_ranges/false.rs", + "src/tools/rustfmt/tests/source/configs/spaces_around_ranges/true.rs", + "src/tools/rustfmt/tests/source/type.rs", + "src/tools/rustfmt/tests/target/configs/spaces_around_ranges/false.rs", + "src/tools/rustfmt/tests/target/configs/spaces_around_ranges/true.rs", + "src/tools/rustfmt/tests/target/type.rs", + + // Generated file containing a top-level expression, used with `include!` + "compiler/rustc_codegen_gcc/src/intrinsic/archs.rs", + + // Clippy lint lists represented as expressions + "src/tools/clippy/clippy_lints/src/lib.deprecated.rs", + "src/tools/clippy/clippy_lints/src/lib.register_all.rs", + "src/tools/clippy/clippy_lints/src/lib.register_cargo.rs", + "src/tools/clippy/clippy_lints/src/lib.register_complexity.rs", + "src/tools/clippy/clippy_lints/src/lib.register_correctness.rs", + "src/tools/clippy/clippy_lints/src/lib.register_internal.rs", + "src/tools/clippy/clippy_lints/src/lib.register_lints.rs", + "src/tools/clippy/clippy_lints/src/lib.register_nursery.rs", + "src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs", + "src/tools/clippy/clippy_lints/src/lib.register_perf.rs", + "src/tools/clippy/clippy_lints/src/lib.register_restriction.rs", + "src/tools/clippy/clippy_lints/src/lib.register_style.rs", + "src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs", + + // Not actually test cases + "src/test/ui/lint/expansion-time-include.rs", + "src/test/ui/macros/auxiliary/macro-comma-support.rs", + "src/test/ui/macros/auxiliary/macro-include-items-expr.rs", + "src/test/ui/macros/include-single-expr-helper.rs", + "src/test/ui/macros/include-single-expr-helper-1.rs", + "src/test/ui/parser/issues/auxiliary/issue-21146-inc.rs", +]; + +#[rustfmt::skip] +static EXCLUDE_DIRS: &[&str] = &[ + // Inputs that intentionally do not parse + "src/tools/rust-analyzer/crates/parser/test_data/parser/err", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err", + + // Inputs that lex but do not necessarily parse + "src/tools/rust-analyzer/crates/parser/test_data/lexer", + + // Inputs that used to crash rust-analyzer, but aren't necessarily supposed to parse + "src/tools/rust-analyzer/crates/syntax/test_data/parser/fuzz-failures", + "src/tools/rust-analyzer/crates/syntax/test_data/reparse/fuzz-failures", +]; + +pub fn base_dir_filter(entry: &DirEntry) -> bool { + let path = entry.path(); + + let mut path_string = path.to_string_lossy(); + if cfg!(windows) { + path_string = path_string.replace('\\', "/").into(); + } + let path_string = if path_string == "tests/rust" { + return true; + } else if let Some(path) = path_string.strip_prefix("tests/rust/") { + path + } else { + panic!("unexpected path in Rust dist: {}", path_string); + }; + + if path.is_dir() { + return !EXCLUDE_DIRS.contains(&path_string); + } + + if path.extension().map_or(true, |e| e != "rs") { + return false; + } + + if path_string.starts_with("src/test/ui") || path_string.starts_with("src/test/rustdoc-ui") { + let stderr_path = path.with_extension("stderr"); + if stderr_path.exists() { + // Expected to fail in some way + return false; + } + } + + !EXCLUDE_FILES.contains(&path_string) +} + +#[allow(dead_code)] +pub fn edition(path: &Path) -> &'static str { + if path.ends_with("dyn-2015-no-warnings-without-lints.rs") { + "2015" + } else { + "2018" + } +} + +pub fn clone_rust() { + let needs_clone = match fs::read_to_string("tests/rust/COMMIT") { + Err(_) => true, + Ok(contents) => contents.trim() != REVISION, + }; + if needs_clone { + download_and_unpack().unwrap(); + } + let mut missing = String::new(); + let test_src = Path::new("tests/rust"); + for exclude in EXCLUDE_FILES { + if !test_src.join(exclude).is_file() { + missing += "\ntests/rust/"; + missing += exclude; + } + } + for exclude in EXCLUDE_DIRS { + if !test_src.join(exclude).is_dir() { + missing += "\ntests/rust/"; + missing += exclude; + missing += "/"; + } + } + if !missing.is_empty() { + panic!("excluded test file does not exist:{}\n", missing); + } +} + +fn download_and_unpack() -> Result<()> { + let url = format!( + "https://github.com/rust-lang/rust/archive/{}.tar.gz", + REVISION + ); + let response = reqwest::blocking::get(url)?.error_for_status()?; + let progress = Progress::new(response); + let decoder = GzDecoder::new(progress); + let mut archive = Archive::new(decoder); + let prefix = format!("rust-{}", REVISION); + + let tests_rust = Path::new("tests/rust"); + if tests_rust.exists() { + fs::remove_dir_all(tests_rust)?; + } + + for entry in archive.entries()? { + let mut entry = entry?; + let path = entry.path()?; + if path == Path::new("pax_global_header") { + continue; + } + let relative = path.strip_prefix(&prefix)?; + let out = tests_rust.join(relative); + entry.unpack(&out)?; + } + + fs::write("tests/rust/COMMIT", REVISION)?; + Ok(()) +} diff --git a/third_party/rust/syn/tests/repo/progress.rs b/third_party/rust/syn/tests/repo/progress.rs new file mode 100644 index 0000000000..28c8a44b12 --- /dev/null +++ b/third_party/rust/syn/tests/repo/progress.rs @@ -0,0 +1,37 @@ +use std::io::{Read, Result}; +use std::time::{Duration, Instant}; + +pub struct Progress<R> { + bytes: usize, + tick: Instant, + stream: R, +} + +impl<R> Progress<R> { + pub fn new(stream: R) -> Self { + Progress { + bytes: 0, + tick: Instant::now() + Duration::from_millis(2000), + stream, + } + } +} + +impl<R: Read> Read for Progress<R> { + fn read(&mut self, buf: &mut [u8]) -> Result<usize> { + let num = self.stream.read(buf)?; + self.bytes += num; + let now = Instant::now(); + if now > self.tick { + self.tick = now + Duration::from_millis(500); + errorf!("downloading... {} bytes\n", self.bytes); + } + Ok(num) + } +} + +impl<R> Drop for Progress<R> { + fn drop(&mut self) { + errorf!("done ({} bytes)\n", self.bytes); + } +} diff --git a/third_party/rust/syn/tests/test_asyncness.rs b/third_party/rust/syn/tests/test_asyncness.rs new file mode 100644 index 0000000000..0efef5976f --- /dev/null +++ b/third_party/rust/syn/tests/test_asyncness.rs @@ -0,0 +1,37 @@ +#[macro_use] +mod macros; + +use syn::{Expr, Item}; + +#[test] +fn test_async_fn() { + let input = "async fn process() {}"; + + snapshot!(input as Item, @r###" + Item::Fn { + vis: Inherited, + sig: Signature { + asyncness: Some, + ident: "process", + generics: Generics, + output: Default, + }, + block: Block, + } + "###); +} + +#[test] +fn test_async_closure() { + let input = "async || {}"; + + snapshot!(input as Expr, @r###" + Expr::Closure { + asyncness: Some, + output: Default, + body: Expr::Block { + block: Block, + }, + } + "###); +} diff --git a/third_party/rust/syn/tests/test_attribute.rs b/third_party/rust/syn/tests/test_attribute.rs new file mode 100644 index 0000000000..c26bd090ec --- /dev/null +++ b/third_party/rust/syn/tests/test_attribute.rs @@ -0,0 +1,336 @@ +#[macro_use] +mod macros; + +use syn::parse::Parser; +use syn::{Attribute, Meta}; + +#[test] +fn test_meta_item_word() { + let meta = test("#[foo]"); + + snapshot!(meta, @r###" + Path(Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }) + "###); +} + +#[test] +fn test_meta_item_name_value() { + let meta = test("#[foo = 5]"); + + snapshot!(meta, @r###" + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); +} + +#[test] +fn test_meta_item_bool_value() { + let meta = test("#[foo = true]"); + + snapshot!(meta, @r###" + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + lit: Lit::Bool { + value: true, + }, + } + "###); + + let meta = test("#[foo = false]"); + + snapshot!(meta, @r###" + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + lit: Lit::Bool { + value: false, + }, + } + "###); +} + +#[test] +fn test_meta_item_list_lit() { + let meta = test("#[foo(5)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Lit(5), + ], + } + "###); +} + +#[test] +fn test_meta_item_list_word() { + let meta = test("#[foo(bar)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Meta(Path(Path { + segments: [ + PathSegment { + ident: "bar", + arguments: None, + }, + ], + })), + ], + } + "###); +} + +#[test] +fn test_meta_item_list_name_value() { + let meta = test("#[foo(bar = 5)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "bar", + arguments: None, + }, + ], + }, + lit: 5, + }), + ], + } + "###); +} + +#[test] +fn test_meta_item_list_bool_value() { + let meta = test("#[foo(bar = true)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "bar", + arguments: None, + }, + ], + }, + lit: Lit::Bool { + value: true, + }, + }), + ], + } + "###); +} + +#[test] +fn test_meta_item_multiple() { + let meta = test("#[foo(word, name = 5, list(name2 = 6), word2)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Meta(Path(Path { + segments: [ + PathSegment { + ident: "word", + arguments: None, + }, + ], + })), + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name", + arguments: None, + }, + ], + }, + lit: 5, + }), + Meta(Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "list", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name2", + arguments: None, + }, + ], + }, + lit: 6, + }), + ], + }), + Meta(Path(Path { + segments: [ + PathSegment { + ident: "word2", + arguments: None, + }, + ], + })), + ], + } + "###); +} + +#[test] +fn test_bool_lit() { + let meta = test("#[foo(true)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Lit(Lit::Bool { + value: true, + }), + ], + } + "###); +} + +#[test] +fn test_negative_lit() { + let meta = test("#[form(min = -1, max = 200)]"); + + snapshot!(meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "form", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "min", + arguments: None, + }, + ], + }, + lit: -1, + }), + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "max", + arguments: None, + }, + ], + }, + lit: 200, + }), + ], + } + "###); +} + +fn test(input: &str) -> Meta { + let attrs = Attribute::parse_outer.parse_str(input).unwrap(); + + assert_eq!(attrs.len(), 1); + let attr = attrs.into_iter().next().unwrap(); + + attr.parse_meta().unwrap() +} diff --git a/third_party/rust/syn/tests/test_derive_input.rs b/third_party/rust/syn/tests/test_derive_input.rs new file mode 100644 index 0000000000..1eff01186a --- /dev/null +++ b/third_party/rust/syn/tests/test_derive_input.rs @@ -0,0 +1,894 @@ +#![allow(clippy::assertions_on_result_states, clippy::too_many_lines)] + +#[macro_use] +mod macros; + +use quote::quote; +use syn::{Data, DeriveInput}; + +#[test] +fn test_unit() { + let input = quote! { + struct Unit; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "Unit", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); +} + +#[test] +fn test_struct() { + let input = quote! { + #[derive(Debug, Clone)] + pub struct Item { + pub ident: Ident, + pub attrs: Vec<Attribute> + } + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "derive", + arguments: None, + }, + ], + }, + tokens: TokenStream(`(Debug , Clone)`), + }, + ], + vis: Visibility::Public, + ident: "Item", + generics: Generics, + data: Data::Struct { + fields: Fields::Named { + named: [ + Field { + vis: Visibility::Public, + ident: Some("ident"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Ident", + arguments: None, + }, + ], + }, + }, + }, + Field { + vis: Visibility::Public, + ident: Some("attrs"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Vec", + arguments: PathArguments::AngleBracketed { + args: [ + Type(Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Attribute", + arguments: None, + }, + ], + }, + }), + ], + }, + }, + ], + }, + }, + }, + ], + }, + }, + } + "###); + + snapshot!(input.attrs[0].parse_meta().unwrap(), @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "derive", + arguments: None, + }, + ], + }, + nested: [ + Meta(Path(Path { + segments: [ + PathSegment { + ident: "Debug", + arguments: None, + }, + ], + })), + Meta(Path(Path { + segments: [ + PathSegment { + ident: "Clone", + arguments: None, + }, + ], + })), + ], + } + "###); +} + +#[test] +fn test_union() { + let input = quote! { + union MaybeUninit<T> { + uninit: (), + value: T + } + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "MaybeUninit", + generics: Generics { + lt_token: Some, + params: [ + Type(TypeParam { + ident: "T", + }), + ], + gt_token: Some, + }, + data: Data::Union { + fields: FieldsNamed { + named: [ + Field { + vis: Inherited, + ident: Some("uninit"), + colon_token: Some, + ty: Type::Tuple, + }, + Field { + vis: Inherited, + ident: Some("value"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + }, + } + "###); +} + +#[test] +#[cfg(feature = "full")] +fn test_enum() { + let input = quote! { + /// See the std::result module documentation for details. + #[must_use] + pub enum Result<T, E> { + Ok(T), + Err(E), + Surprise = 0isize, + + // Smuggling data into a proc_macro_derive, + // in the style of https://github.com/dtolnay/proc-macro-hack + ProcMacroHack = (0, "data").0 + } + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "doc", + arguments: None, + }, + ], + }, + tokens: TokenStream(`= r" See the std::result module documentation for details."`), + }, + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "must_use", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + vis: Visibility::Public, + ident: "Result", + generics: Generics { + lt_token: Some, + params: [ + Type(TypeParam { + ident: "T", + }), + Type(TypeParam { + ident: "E", + }), + ], + gt_token: Some, + }, + data: Data::Enum { + variants: [ + Variant { + ident: "Ok", + fields: Fields::Unnamed { + unnamed: [ + Field { + vis: Inherited, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + }, + Variant { + ident: "Err", + fields: Fields::Unnamed { + unnamed: [ + Field { + vis: Inherited, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "E", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + }, + Variant { + ident: "Surprise", + fields: Unit, + discriminant: Some(Expr::Lit { + lit: 0isize, + }), + }, + Variant { + ident: "ProcMacroHack", + fields: Unit, + discriminant: Some(Expr::Field { + base: Expr::Tuple { + elems: [ + Expr::Lit { + lit: 0, + }, + Expr::Lit { + lit: "data", + }, + ], + }, + member: Unnamed(Index { + index: 0, + }), + }), + }, + ], + }, + } + "###); + + let meta_items: Vec<_> = input + .attrs + .into_iter() + .map(|attr| attr.parse_meta().unwrap()) + .collect(); + + snapshot!(meta_items, @r###" + [ + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "doc", + arguments: None, + }, + ], + }, + lit: " See the std::result module documentation for details.", + }, + Path(Path { + segments: [ + PathSegment { + ident: "must_use", + arguments: None, + }, + ], + }), + ] + "###); +} + +#[test] +fn test_attr_with_path() { + let input = quote! { + #[::attr_args::identity + fn main() { assert_eq!(foo(), "Hello, world!"); }] + struct Dummy; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + attrs: [ + Attribute { + style: Outer, + path: Path { + leading_colon: Some, + segments: [ + PathSegment { + ident: "attr_args", + arguments: None, + }, + PathSegment { + ident: "identity", + arguments: None, + }, + ], + }, + tokens: TokenStream(`fn main () { assert_eq ! (foo () , "Hello, world!") ; }`), + }, + ], + vis: Inherited, + ident: "Dummy", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); + + assert!(input.attrs[0].parse_meta().is_err()); +} + +#[test] +fn test_attr_with_non_mod_style_path() { + let input = quote! { + #[inert <T>] + struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "inert", + arguments: None, + }, + ], + }, + tokens: TokenStream(`< T >`), + }, + ], + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); + + assert!(input.attrs[0].parse_meta().is_err()); +} + +#[test] +fn test_attr_with_mod_style_path_with_self() { + let input = quote! { + #[foo::self] + struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + PathSegment { + ident: "self", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); + + snapshot!(input.attrs[0].parse_meta().unwrap(), @r###" + Path(Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + PathSegment { + ident: "self", + arguments: None, + }, + ], + }) + "###); +} + +#[test] +fn test_pub_restricted() { + // Taken from tests/rust/src/test/ui/resolve/auxiliary/privacy-struct-ctor.rs + let input = quote! { + pub(in m) struct Z(pub(in m::n) u8); + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Visibility::Restricted { + in_token: Some, + path: Path { + segments: [ + PathSegment { + ident: "m", + arguments: None, + }, + ], + }, + }, + ident: "Z", + generics: Generics, + data: Data::Struct { + fields: Fields::Unnamed { + unnamed: [ + Field { + vis: Visibility::Restricted { + in_token: Some, + path: Path { + segments: [ + PathSegment { + ident: "m", + arguments: None, + }, + PathSegment { + ident: "n", + arguments: None, + }, + ], + }, + }, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "u8", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + semi_token: Some, + }, + } + "###); +} + +#[test] +fn test_vis_crate() { + let input = quote! { + crate struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Visibility::Crate, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); +} + +#[test] +fn test_pub_restricted_crate() { + let input = quote! { + pub(crate) struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Visibility::Restricted { + path: Path { + segments: [ + PathSegment { + ident: "crate", + arguments: None, + }, + ], + }, + }, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); +} + +#[test] +fn test_pub_restricted_super() { + let input = quote! { + pub(super) struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Visibility::Restricted { + path: Path { + segments: [ + PathSegment { + ident: "super", + arguments: None, + }, + ], + }, + }, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); +} + +#[test] +fn test_pub_restricted_in_super() { + let input = quote! { + pub(in super) struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Visibility::Restricted { + in_token: Some, + path: Path { + segments: [ + PathSegment { + ident: "super", + arguments: None, + }, + ], + }, + }, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); +} + +#[test] +fn test_fields_on_unit_struct() { + let input = quote! { + struct S; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); + + let data = match input.data { + Data::Struct(data) => data, + _ => panic!("expected a struct"), + }; + + assert_eq!(0, data.fields.iter().count()); +} + +#[test] +fn test_fields_on_named_struct() { + let input = quote! { + struct S { + foo: i32, + pub bar: String, + } + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Fields::Named { + named: [ + Field { + vis: Inherited, + ident: Some("foo"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "i32", + arguments: None, + }, + ], + }, + }, + }, + Field { + vis: Visibility::Public, + ident: Some("bar"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "String", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + }, + } + "###); + + let data = match input.data { + Data::Struct(data) => data, + _ => panic!("expected a struct"), + }; + + snapshot!(data.fields.into_iter().collect::<Vec<_>>(), @r###" + [ + Field { + vis: Inherited, + ident: Some("foo"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "i32", + arguments: None, + }, + ], + }, + }, + }, + Field { + vis: Visibility::Public, + ident: Some("bar"), + colon_token: Some, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "String", + arguments: None, + }, + ], + }, + }, + }, + ] + "###); +} + +#[test] +fn test_fields_on_tuple_struct() { + let input = quote! { + struct S(i32, pub String); + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Fields::Unnamed { + unnamed: [ + Field { + vis: Inherited, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "i32", + arguments: None, + }, + ], + }, + }, + }, + Field { + vis: Visibility::Public, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "String", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + semi_token: Some, + }, + } + "###); + + let data = match input.data { + Data::Struct(data) => data, + _ => panic!("expected a struct"), + }; + + snapshot!(data.fields.iter().collect::<Vec<_>>(), @r###" + [ + Field { + vis: Inherited, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "i32", + arguments: None, + }, + ], + }, + }, + }, + Field { + vis: Visibility::Public, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "String", + arguments: None, + }, + ], + }, + }, + }, + ] + "###); +} + +#[test] +fn test_ambiguous_crate() { + let input = quote! { + // The field type is `(crate::X)` not `crate (::X)`. + struct S(crate::X); + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Fields::Unnamed { + unnamed: [ + Field { + vis: Inherited, + ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "crate", + arguments: None, + }, + PathSegment { + ident: "X", + arguments: None, + }, + ], + }, + }, + }, + ], + }, + semi_token: Some, + }, + } + "###); +} diff --git a/third_party/rust/syn/tests/test_expr.rs b/third_party/rust/syn/tests/test_expr.rs new file mode 100644 index 0000000000..e5b151fd80 --- /dev/null +++ b/third_party/rust/syn/tests/test_expr.rs @@ -0,0 +1,306 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree}; +use quote::quote; +use std::iter::FromIterator; +use syn::{Expr, ExprRange}; + +#[test] +fn test_expr_parse() { + let tokens = quote!(..100u32); + snapshot!(tokens as Expr, @r###" + Expr::Range { + limits: HalfOpen, + to: Some(Expr::Lit { + lit: 100u32, + }), + } + "###); + + let tokens = quote!(..100u32); + snapshot!(tokens as ExprRange, @r###" + ExprRange { + limits: HalfOpen, + to: Some(Expr::Lit { + lit: 100u32, + }), + } + "###); +} + +#[test] +fn test_await() { + // Must not parse as Expr::Field. + let tokens = quote!(fut.await); + + snapshot!(tokens as Expr, @r###" + Expr::Await { + base: Expr::Path { + path: Path { + segments: [ + PathSegment { + ident: "fut", + arguments: None, + }, + ], + }, + }, + } + "###); +} + +#[rustfmt::skip] +#[test] +fn test_tuple_multi_index() { + let expected = snapshot!("tuple.0.0" as Expr, @r###" + Expr::Field { + base: Expr::Field { + base: Expr::Path { + path: Path { + segments: [ + PathSegment { + ident: "tuple", + arguments: None, + }, + ], + }, + }, + member: Unnamed(Index { + index: 0, + }), + }, + member: Unnamed(Index { + index: 0, + }), + } + "###); + + for &input in &[ + "tuple .0.0", + "tuple. 0.0", + "tuple.0 .0", + "tuple.0. 0", + "tuple . 0 . 0", + ] { + assert_eq!(expected, syn::parse_str(input).unwrap()); + } + + for tokens in vec![ + quote!(tuple.0.0), + quote!(tuple .0.0), + quote!(tuple. 0.0), + quote!(tuple.0 .0), + quote!(tuple.0. 0), + quote!(tuple . 0 . 0), + ] { + assert_eq!(expected, syn::parse2(tokens).unwrap()); + } +} + +#[test] +fn test_macro_variable_func() { + // mimics the token stream corresponding to `$fn()` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { f })), + TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())), + ]); + + snapshot!(tokens as Expr, @r###" + Expr::Call { + func: Expr::Group { + expr: Expr::Path { + path: Path { + segments: [ + PathSegment { + ident: "f", + arguments: None, + }, + ], + }, + }, + }, + } + "###); + + let tokens = TokenStream::from_iter(vec![ + TokenTree::Punct(Punct::new('#', Spacing::Alone)), + TokenTree::Group(Group::new(Delimiter::Bracket, quote! { outside })), + TokenTree::Group(Group::new(Delimiter::None, quote! { #[inside] f })), + TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())), + ]); + + snapshot!(tokens as Expr, @r###" + Expr::Call { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "outside", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + func: Expr::Group { + expr: Expr::Path { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "inside", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + path: Path { + segments: [ + PathSegment { + ident: "f", + arguments: None, + }, + ], + }, + }, + }, + } + "###); +} + +#[test] +fn test_macro_variable_macro() { + // mimics the token stream corresponding to `$macro!()` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { m })), + TokenTree::Punct(Punct::new('!', Spacing::Alone)), + TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())), + ]); + + snapshot!(tokens as Expr, @r###" + Expr::Macro { + mac: Macro { + path: Path { + segments: [ + PathSegment { + ident: "m", + arguments: None, + }, + ], + }, + delimiter: Paren, + tokens: TokenStream(``), + }, + } + "###); +} + +#[test] +fn test_macro_variable_struct() { + // mimics the token stream corresponding to `$struct {}` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { S })), + TokenTree::Group(Group::new(Delimiter::Brace, TokenStream::new())), + ]); + + snapshot!(tokens as Expr, @r###" + Expr::Struct { + path: Path { + segments: [ + PathSegment { + ident: "S", + arguments: None, + }, + ], + }, + } + "###); +} + +#[test] +fn test_macro_variable_match_arm() { + // mimics the token stream corresponding to `match v { _ => $expr }` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Ident(Ident::new("match", Span::call_site())), + TokenTree::Ident(Ident::new("v", Span::call_site())), + TokenTree::Group(Group::new( + Delimiter::Brace, + TokenStream::from_iter(vec![ + TokenTree::Punct(Punct::new('_', Spacing::Alone)), + TokenTree::Punct(Punct::new('=', Spacing::Joint)), + TokenTree::Punct(Punct::new('>', Spacing::Alone)), + TokenTree::Group(Group::new(Delimiter::None, quote! { #[a] () })), + ]), + )), + ]); + + snapshot!(tokens as Expr, @r###" + Expr::Match { + expr: Expr::Path { + path: Path { + segments: [ + PathSegment { + ident: "v", + arguments: None, + }, + ], + }, + }, + arms: [ + Arm { + pat: Pat::Wild, + body: Expr::Group { + expr: Expr::Tuple { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "a", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + }, + }, + }, + ], + } + "###); +} + +// https://github.com/dtolnay/syn/issues/1019 +#[test] +fn test_closure_vs_rangefull() { + #[rustfmt::skip] // rustfmt bug: https://github.com/rust-lang/rustfmt/issues/4808 + let tokens = quote!(|| .. .method()); + snapshot!(tokens as Expr, @r###" + Expr::MethodCall { + receiver: Expr::Closure { + output: Default, + body: Expr::Range { + limits: HalfOpen, + }, + }, + method: "method", + } + "###); +} + +#[test] +fn test_postfix_operator_after_cast() { + syn::parse_str::<Expr>("|| &x as T[0]").unwrap_err(); + syn::parse_str::<Expr>("|| () as ()()").unwrap_err(); +} diff --git a/third_party/rust/syn/tests/test_generics.rs b/third_party/rust/syn/tests/test_generics.rs new file mode 100644 index 0000000000..330f02f4dc --- /dev/null +++ b/third_party/rust/syn/tests/test_generics.rs @@ -0,0 +1,285 @@ +#![allow(clippy::too_many_lines)] + +#[macro_use] +mod macros; + +use quote::quote; +use syn::{DeriveInput, ItemFn, TypeParamBound, WhereClause, WherePredicate}; + +#[test] +fn test_split_for_impl() { + let input = quote! { + struct S<'a, 'b: 'a, #[may_dangle] T: 'a = ()> where T: Debug; + }; + + snapshot!(input as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "S", + generics: Generics { + lt_token: Some, + params: [ + Lifetime(LifetimeDef { + lifetime: Lifetime { + ident: "a", + }, + }), + Lifetime(LifetimeDef { + lifetime: Lifetime { + ident: "b", + }, + colon_token: Some, + bounds: [ + Lifetime { + ident: "a", + }, + ], + }), + Type(TypeParam { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "may_dangle", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + ident: "T", + colon_token: Some, + bounds: [ + Lifetime(Lifetime { + ident: "a", + }), + ], + eq_token: Some, + default: Some(Type::Tuple), + }), + ], + gt_token: Some, + where_clause: Some(WhereClause { + predicates: [ + Type(PredicateType { + bounded_ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }, + bounds: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Debug", + arguments: None, + }, + ], + }, + }), + ], + }), + ], + }), + }, + data: Data::Struct { + fields: Unit, + semi_token: Some, + }, + } + "###); + + let generics = input.generics; + let (impl_generics, ty_generics, where_clause) = generics.split_for_impl(); + + let generated = quote! { + impl #impl_generics MyTrait for Test #ty_generics #where_clause {} + }; + let expected = quote! { + impl<'a, 'b: 'a, #[may_dangle] T: 'a> MyTrait + for Test<'a, 'b, T> + where + T: Debug + {} + }; + assert_eq!(generated.to_string(), expected.to_string()); + + let turbofish = ty_generics.as_turbofish(); + let generated = quote! { + Test #turbofish + }; + let expected = quote! { + Test::<'a, 'b, T> + }; + assert_eq!(generated.to_string(), expected.to_string()); +} + +#[test] +fn test_ty_param_bound() { + let tokens = quote!('a); + snapshot!(tokens as TypeParamBound, @r###" + Lifetime(Lifetime { + ident: "a", + }) + "###); + + let tokens = quote!('_); + snapshot!(tokens as TypeParamBound, @r###" + Lifetime(Lifetime { + ident: "_", + }) + "###); + + let tokens = quote!(Debug); + snapshot!(tokens as TypeParamBound, @r###" + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Debug", + arguments: None, + }, + ], + }, + }) + "###); + + let tokens = quote!(?Sized); + snapshot!(tokens as TypeParamBound, @r###" + Trait(TraitBound { + modifier: Maybe, + path: Path { + segments: [ + PathSegment { + ident: "Sized", + arguments: None, + }, + ], + }, + }) + "###); +} + +#[test] +fn test_fn_precedence_in_where_clause() { + // This should parse as two separate bounds, `FnOnce() -> i32` and `Send` - not + // `FnOnce() -> (i32 + Send)`. + let input = quote! { + fn f<G>() + where + G: FnOnce() -> i32 + Send, + { + } + }; + + snapshot!(input as ItemFn, @r###" + ItemFn { + vis: Inherited, + sig: Signature { + ident: "f", + generics: Generics { + lt_token: Some, + params: [ + Type(TypeParam { + ident: "G", + }), + ], + gt_token: Some, + where_clause: Some(WhereClause { + predicates: [ + Type(PredicateType { + bounded_ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "G", + arguments: None, + }, + ], + }, + }, + bounds: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "FnOnce", + arguments: PathArguments::Parenthesized { + output: Type( + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "i32", + arguments: None, + }, + ], + }, + }, + ), + }, + }, + ], + }, + }), + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Send", + arguments: None, + }, + ], + }, + }), + ], + }), + ], + }), + }, + output: Default, + }, + block: Block, + } + "###); + + let where_clause = input.sig.generics.where_clause.as_ref().unwrap(); + assert_eq!(where_clause.predicates.len(), 1); + + let predicate = match &where_clause.predicates[0] { + WherePredicate::Type(pred) => pred, + _ => panic!("wrong predicate kind"), + }; + + assert_eq!(predicate.bounds.len(), 2, "{:#?}", predicate.bounds); + + let first_bound = &predicate.bounds[0]; + assert_eq!(quote!(#first_bound).to_string(), "FnOnce () -> i32"); + + let second_bound = &predicate.bounds[1]; + assert_eq!(quote!(#second_bound).to_string(), "Send"); +} + +#[test] +fn test_where_clause_at_end_of_input() { + let input = quote! { + where + }; + + snapshot!(input as WhereClause, @"WhereClause"); + + assert_eq!(input.predicates.len(), 0); +} diff --git a/third_party/rust/syn/tests/test_grouping.rs b/third_party/rust/syn/tests/test_grouping.rs new file mode 100644 index 0000000000..9eb7eee9b7 --- /dev/null +++ b/third_party/rust/syn/tests/test_grouping.rs @@ -0,0 +1,52 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Literal, Punct, Spacing, TokenStream, TokenTree}; +use std::iter::FromIterator; +use syn::Expr; + +#[test] +fn test_grouping() { + let tokens: TokenStream = TokenStream::from_iter(vec![ + TokenTree::Literal(Literal::i32_suffixed(1)), + TokenTree::Punct(Punct::new('+', Spacing::Alone)), + TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::from_iter(vec![ + TokenTree::Literal(Literal::i32_suffixed(2)), + TokenTree::Punct(Punct::new('+', Spacing::Alone)), + TokenTree::Literal(Literal::i32_suffixed(3)), + ]), + )), + TokenTree::Punct(Punct::new('*', Spacing::Alone)), + TokenTree::Literal(Literal::i32_suffixed(4)), + ]); + + assert_eq!(tokens.to_string(), "1i32 + 2i32 + 3i32 * 4i32"); + + snapshot!(tokens as Expr, @r###" + Expr::Binary { + left: Expr::Lit { + lit: 1i32, + }, + op: Add, + right: Expr::Binary { + left: Expr::Group { + expr: Expr::Binary { + left: Expr::Lit { + lit: 2i32, + }, + op: Add, + right: Expr::Lit { + lit: 3i32, + }, + }, + }, + op: Mul, + right: Expr::Lit { + lit: 4i32, + }, + }, + } + "###); +} diff --git a/third_party/rust/syn/tests/test_ident.rs b/third_party/rust/syn/tests/test_ident.rs new file mode 100644 index 0000000000..ee01bfcc9f --- /dev/null +++ b/third_party/rust/syn/tests/test_ident.rs @@ -0,0 +1,85 @@ +use proc_macro2::{Ident, Span, TokenStream}; +use std::str::FromStr; +use syn::Result; + +fn parse(s: &str) -> Result<Ident> { + syn::parse2(TokenStream::from_str(s).unwrap()) +} + +fn new(s: &str) -> Ident { + Ident::new(s, Span::call_site()) +} + +#[test] +fn ident_parse() { + parse("String").unwrap(); +} + +#[test] +fn ident_parse_keyword() { + parse("abstract").unwrap_err(); +} + +#[test] +fn ident_parse_empty() { + parse("").unwrap_err(); +} + +#[test] +fn ident_parse_lifetime() { + parse("'static").unwrap_err(); +} + +#[test] +fn ident_parse_underscore() { + parse("_").unwrap_err(); +} + +#[test] +fn ident_parse_number() { + parse("255").unwrap_err(); +} + +#[test] +fn ident_parse_invalid() { + parse("a#").unwrap_err(); +} + +#[test] +fn ident_new() { + new("String"); +} + +#[test] +fn ident_new_keyword() { + new("abstract"); +} + +#[test] +#[should_panic(expected = "use Option<Ident>")] +fn ident_new_empty() { + new(""); +} + +#[test] +#[should_panic(expected = "not a valid Ident")] +fn ident_new_lifetime() { + new("'static"); +} + +#[test] +fn ident_new_underscore() { + new("_"); +} + +#[test] +#[should_panic(expected = "use Literal instead")] +fn ident_new_number() { + new("255"); +} + +#[test] +#[should_panic(expected = "\"a#\" is not a valid Ident")] +fn ident_new_invalid() { + new("a#"); +} diff --git a/third_party/rust/syn/tests/test_item.rs b/third_party/rust/syn/tests/test_item.rs new file mode 100644 index 0000000000..96df4b1aad --- /dev/null +++ b/third_party/rust/syn/tests/test_item.rs @@ -0,0 +1,336 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Ident, Span, TokenStream, TokenTree}; +use quote::quote; +use std::iter::FromIterator; +use syn::{Item, ItemTrait}; + +#[test] +fn test_macro_variable_attr() { + // mimics the token stream corresponding to `$attr fn f() {}` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { #[test] })), + TokenTree::Ident(Ident::new("fn", Span::call_site())), + TokenTree::Ident(Ident::new("f", Span::call_site())), + TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())), + TokenTree::Group(Group::new(Delimiter::Brace, TokenStream::new())), + ]); + + snapshot!(tokens as Item, @r###" + Item::Fn { + attrs: [ + Attribute { + style: Outer, + path: Path { + segments: [ + PathSegment { + ident: "test", + arguments: None, + }, + ], + }, + tokens: TokenStream(``), + }, + ], + vis: Inherited, + sig: Signature { + ident: "f", + generics: Generics, + output: Default, + }, + block: Block, + } + "###); +} + +#[test] +fn test_negative_impl() { + // Rustc parses all of the following. + + #[cfg(any())] + impl ! {} + let tokens = quote! { + impl ! {} + }; + snapshot!(tokens as Item, @r###" + Item::Impl { + generics: Generics, + self_ty: Type::Never, + } + "###); + + #[cfg(any())] + #[rustfmt::skip] + impl !Trait {} + let tokens = quote! { + impl !Trait {} + }; + snapshot!(tokens as Item, @r###" + Item::Impl { + generics: Generics, + self_ty: Verbatim(`! Trait`), + } + "###); + + #[cfg(any())] + impl !Trait for T {} + let tokens = quote! { + impl !Trait for T {} + }; + snapshot!(tokens as Item, @r###" + Item::Impl { + generics: Generics, + trait_: Some(( + Some, + Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: None, + }, + ], + }, + )), + self_ty: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }, + } + "###); + + #[cfg(any())] + #[rustfmt::skip] + impl !! {} + let tokens = quote! { + impl !! {} + }; + snapshot!(tokens as Item, @r###" + Item::Impl { + generics: Generics, + self_ty: Verbatim(`! !`), + } + "###); +} + +#[test] +fn test_macro_variable_impl() { + // mimics the token stream corresponding to `impl $trait for $ty {}` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Ident(Ident::new("impl", Span::call_site())), + TokenTree::Group(Group::new(Delimiter::None, quote!(Trait))), + TokenTree::Ident(Ident::new("for", Span::call_site())), + TokenTree::Group(Group::new(Delimiter::None, quote!(Type))), + TokenTree::Group(Group::new(Delimiter::Brace, TokenStream::new())), + ]); + + snapshot!(tokens as Item, @r###" + Item::Impl { + generics: Generics, + trait_: Some(( + None, + Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: None, + }, + ], + }, + )), + self_ty: Type::Group { + elem: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Type", + arguments: None, + }, + ], + }, + }, + }, + } + "###); +} + +#[test] +fn test_supertraits() { + // Rustc parses all of the following. + + #[rustfmt::skip] + let tokens = quote!(trait Trait where {}); + snapshot!(tokens as ItemTrait, @r###" + ItemTrait { + vis: Inherited, + ident: "Trait", + generics: Generics { + where_clause: Some(WhereClause), + }, + } + "###); + + #[rustfmt::skip] + let tokens = quote!(trait Trait: where {}); + snapshot!(tokens as ItemTrait, @r###" + ItemTrait { + vis: Inherited, + ident: "Trait", + generics: Generics { + where_clause: Some(WhereClause), + }, + colon_token: Some, + } + "###); + + #[rustfmt::skip] + let tokens = quote!(trait Trait: Sized where {}); + snapshot!(tokens as ItemTrait, @r###" + ItemTrait { + vis: Inherited, + ident: "Trait", + generics: Generics { + where_clause: Some(WhereClause), + }, + colon_token: Some, + supertraits: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Sized", + arguments: None, + }, + ], + }, + }), + ], + } + "###); + + #[rustfmt::skip] + let tokens = quote!(trait Trait: Sized + where {}); + snapshot!(tokens as ItemTrait, @r###" + ItemTrait { + vis: Inherited, + ident: "Trait", + generics: Generics { + where_clause: Some(WhereClause), + }, + colon_token: Some, + supertraits: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Sized", + arguments: None, + }, + ], + }, + }), + ], + } + "###); +} + +#[test] +fn test_type_empty_bounds() { + #[rustfmt::skip] + let tokens = quote! { + trait Foo { + type Bar: ; + } + }; + + snapshot!(tokens as ItemTrait, @r###" + ItemTrait { + vis: Inherited, + ident: "Foo", + generics: Generics, + items: [ + TraitItem::Type { + ident: "Bar", + generics: Generics, + colon_token: Some, + }, + ], + } + "###); +} + +#[test] +fn test_impl_visibility() { + let tokens = quote! { + pub default unsafe impl union {} + }; + + snapshot!(tokens as Item, @"Verbatim(`pub default unsafe impl union { }`)"); +} + +#[test] +fn test_impl_type_parameter_defaults() { + #[cfg(any())] + impl<T = ()> () {} + let tokens = quote! { + impl<T = ()> () {} + }; + snapshot!(tokens as Item, @r###" + Item::Impl { + generics: Generics { + lt_token: Some, + params: [ + Type(TypeParam { + ident: "T", + eq_token: Some, + default: Some(Type::Tuple), + }), + ], + gt_token: Some, + }, + self_ty: Type::Tuple, + }"###); +} + +#[test] +fn test_impl_trait_trailing_plus() { + let tokens = quote! { + fn f() -> impl Sized + {} + }; + + snapshot!(tokens as Item, @r###" + Item::Fn { + vis: Inherited, + sig: Signature { + ident: "f", + generics: Generics, + output: Type( + Type::ImplTrait { + bounds: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Sized", + arguments: None, + }, + ], + }, + }), + ], + }, + ), + }, + block: Block, + } + "###); +} diff --git a/third_party/rust/syn/tests/test_iterators.rs b/third_party/rust/syn/tests/test_iterators.rs new file mode 100644 index 0000000000..0ab0fb9147 --- /dev/null +++ b/third_party/rust/syn/tests/test_iterators.rs @@ -0,0 +1,68 @@ +use syn::punctuated::{Pair, Punctuated}; +use syn::Token; + +#[macro_use] +mod macros; + +macro_rules! check_exact_size_iterator { + ($iter:expr) => {{ + let iter = $iter; + let size_hint = iter.size_hint(); + let len = iter.len(); + let count = iter.count(); + assert_eq!(len, count); + assert_eq!(size_hint, (count, Some(count))); + }}; +} + +#[test] +fn pairs() { + let mut p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4); + + check_exact_size_iterator!(p.pairs()); + check_exact_size_iterator!(p.pairs_mut()); + check_exact_size_iterator!(p.into_pairs()); + + let mut p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4); + + assert_eq!(p.pairs().next_back().map(Pair::into_value), Some(&4)); + assert_eq!( + p.pairs_mut().next_back().map(Pair::into_value), + Some(&mut 4) + ); + assert_eq!(p.into_pairs().next_back().map(Pair::into_value), Some(4)); +} + +#[test] +fn iter() { + let mut p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4); + + check_exact_size_iterator!(p.iter()); + check_exact_size_iterator!(p.iter_mut()); + check_exact_size_iterator!(p.into_iter()); + + let mut p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4); + + assert_eq!(p.iter().next_back(), Some(&4)); + assert_eq!(p.iter_mut().next_back(), Some(&mut 4)); + assert_eq!(p.into_iter().next_back(), Some(4)); +} + +#[test] +fn may_dangle() { + let p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4); + for element in &p { + if *element == 2 { + drop(p); + break; + } + } + + let mut p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4); + for element in &mut p { + if *element == 2 { + drop(p); + break; + } + } +} diff --git a/third_party/rust/syn/tests/test_lit.rs b/third_party/rust/syn/tests/test_lit.rs new file mode 100644 index 0000000000..ebe077c617 --- /dev/null +++ b/third_party/rust/syn/tests/test_lit.rs @@ -0,0 +1,266 @@ +#![allow(clippy::float_cmp, clippy::non_ascii_literal)] + +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Literal, Span, TokenStream, TokenTree}; +use quote::ToTokens; +use std::iter::FromIterator; +use std::str::FromStr; +use syn::{Lit, LitFloat, LitInt, LitStr}; + +fn lit(s: &str) -> Lit { + match TokenStream::from_str(s) + .unwrap() + .into_iter() + .next() + .unwrap() + { + TokenTree::Literal(lit) => Lit::new(lit), + _ => panic!(), + } +} + +#[test] +fn strings() { + fn test_string(s: &str, value: &str) { + match lit(s) { + Lit::Str(lit) => { + assert_eq!(lit.value(), value); + let again = lit.into_token_stream().to_string(); + if again != s { + test_string(&again, value); + } + } + wrong => panic!("{:?}", wrong), + } + } + + test_string("\"a\"", "a"); + test_string("\"\\n\"", "\n"); + test_string("\"\\r\"", "\r"); + test_string("\"\\t\"", "\t"); + test_string("\"🐕\"", "🐕"); // NOTE: This is an emoji + test_string("\"\\\"\"", "\""); + test_string("\"'\"", "'"); + test_string("\"\"", ""); + test_string("\"\\u{1F415}\"", "\u{1F415}"); + test_string("\"\\u{1_2__3_}\"", "\u{123}"); + test_string( + "\"contains\nnewlines\\\nescaped newlines\"", + "contains\nnewlinesescaped newlines", + ); + test_string("r\"raw\nstring\\\nhere\"", "raw\nstring\\\nhere"); + test_string("\"...\"q", "..."); + test_string("r\"...\"q", "..."); + test_string("r##\"...\"##q", "..."); +} + +#[test] +fn byte_strings() { + fn test_byte_string(s: &str, value: &[u8]) { + match lit(s) { + Lit::ByteStr(lit) => { + assert_eq!(lit.value(), value); + let again = lit.into_token_stream().to_string(); + if again != s { + test_byte_string(&again, value); + } + } + wrong => panic!("{:?}", wrong), + } + } + + test_byte_string("b\"a\"", b"a"); + test_byte_string("b\"\\n\"", b"\n"); + test_byte_string("b\"\\r\"", b"\r"); + test_byte_string("b\"\\t\"", b"\t"); + test_byte_string("b\"\\\"\"", b"\""); + test_byte_string("b\"'\"", b"'"); + test_byte_string("b\"\"", b""); + test_byte_string( + "b\"contains\nnewlines\\\nescaped newlines\"", + b"contains\nnewlinesescaped newlines", + ); + test_byte_string("br\"raw\nstring\\\nhere\"", b"raw\nstring\\\nhere"); + test_byte_string("b\"...\"q", b"..."); + test_byte_string("br\"...\"q", b"..."); + test_byte_string("br##\"...\"##q", b"..."); +} + +#[test] +fn bytes() { + fn test_byte(s: &str, value: u8) { + match lit(s) { + Lit::Byte(lit) => { + assert_eq!(lit.value(), value); + let again = lit.into_token_stream().to_string(); + assert_eq!(again, s); + } + wrong => panic!("{:?}", wrong), + } + } + + test_byte("b'a'", b'a'); + test_byte("b'\\n'", b'\n'); + test_byte("b'\\r'", b'\r'); + test_byte("b'\\t'", b'\t'); + test_byte("b'\\''", b'\''); + test_byte("b'\"'", b'"'); + test_byte("b'a'q", b'a'); +} + +#[test] +fn chars() { + fn test_char(s: &str, value: char) { + match lit(s) { + Lit::Char(lit) => { + assert_eq!(lit.value(), value); + let again = lit.into_token_stream().to_string(); + if again != s { + test_char(&again, value); + } + } + wrong => panic!("{:?}", wrong), + } + } + + test_char("'a'", 'a'); + test_char("'\\n'", '\n'); + test_char("'\\r'", '\r'); + test_char("'\\t'", '\t'); + test_char("'🐕'", '🐕'); // NOTE: This is an emoji + test_char("'\\''", '\''); + test_char("'\"'", '"'); + test_char("'\\u{1F415}'", '\u{1F415}'); + test_char("'a'q", 'a'); +} + +#[test] +fn ints() { + fn test_int(s: &str, value: u64, suffix: &str) { + match lit(s) { + Lit::Int(lit) => { + assert_eq!(lit.base10_digits().parse::<u64>().unwrap(), value); + assert_eq!(lit.suffix(), suffix); + let again = lit.into_token_stream().to_string(); + if again != s { + test_int(&again, value, suffix); + } + } + wrong => panic!("{:?}", wrong), + } + } + + test_int("5", 5, ""); + test_int("5u32", 5, "u32"); + test_int("0E", 0, "E"); + test_int("0ECMA", 0, "ECMA"); + test_int("0o0A", 0, "A"); + test_int("5_0", 50, ""); + test_int("5_____0_____", 50, ""); + test_int("0x7f", 127, ""); + test_int("0x7F", 127, ""); + test_int("0b1001", 9, ""); + test_int("0o73", 59, ""); + test_int("0x7Fu8", 127, "u8"); + test_int("0b1001i8", 9, "i8"); + test_int("0o73u32", 59, "u32"); + test_int("0x__7___f_", 127, ""); + test_int("0x__7___F_", 127, ""); + test_int("0b_1_0__01", 9, ""); + test_int("0o_7__3", 59, ""); + test_int("0x_7F__u8", 127, "u8"); + test_int("0b__10__0_1i8", 9, "i8"); + test_int("0o__7__________________3u32", 59, "u32"); + test_int("0e1\u{5c5}", 0, "e1\u{5c5}"); +} + +#[test] +fn floats() { + fn test_float(s: &str, value: f64, suffix: &str) { + match lit(s) { + Lit::Float(lit) => { + assert_eq!(lit.base10_digits().parse::<f64>().unwrap(), value); + assert_eq!(lit.suffix(), suffix); + let again = lit.into_token_stream().to_string(); + if again != s { + test_float(&again, value, suffix); + } + } + wrong => panic!("{:?}", wrong), + } + } + + test_float("5.5", 5.5, ""); + test_float("5.5E12", 5.5e12, ""); + test_float("5.5e12", 5.5e12, ""); + test_float("1.0__3e-12", 1.03e-12, ""); + test_float("1.03e+12", 1.03e12, ""); + test_float("9e99e99", 9e99, "e99"); + test_float("1e_0", 1.0, ""); + test_float("0.0ECMA", 0.0, "ECMA"); +} + +#[test] +fn negative() { + let span = Span::call_site(); + assert_eq!("-1", LitInt::new("-1", span).to_string()); + assert_eq!("-1i8", LitInt::new("-1i8", span).to_string()); + assert_eq!("-1i16", LitInt::new("-1i16", span).to_string()); + assert_eq!("-1i32", LitInt::new("-1i32", span).to_string()); + assert_eq!("-1i64", LitInt::new("-1i64", span).to_string()); + assert_eq!("-1.5", LitFloat::new("-1.5", span).to_string()); + assert_eq!("-1.5f32", LitFloat::new("-1.5f32", span).to_string()); + assert_eq!("-1.5f64", LitFloat::new("-1.5f64", span).to_string()); +} + +#[test] +fn suffix() { + fn get_suffix(token: &str) -> String { + let lit = syn::parse_str::<Lit>(token).unwrap(); + match lit { + Lit::Str(lit) => lit.suffix().to_owned(), + Lit::ByteStr(lit) => lit.suffix().to_owned(), + Lit::Byte(lit) => lit.suffix().to_owned(), + Lit::Char(lit) => lit.suffix().to_owned(), + Lit::Int(lit) => lit.suffix().to_owned(), + Lit::Float(lit) => lit.suffix().to_owned(), + _ => unimplemented!(), + } + } + + assert_eq!(get_suffix("\"\"s"), "s"); + assert_eq!(get_suffix("r\"\"r"), "r"); + assert_eq!(get_suffix("b\"\"b"), "b"); + assert_eq!(get_suffix("br\"\"br"), "br"); + assert_eq!(get_suffix("r#\"\"#r"), "r"); + assert_eq!(get_suffix("'c'c"), "c"); + assert_eq!(get_suffix("b'b'b"), "b"); + assert_eq!(get_suffix("1i32"), "i32"); + assert_eq!(get_suffix("1_i32"), "i32"); + assert_eq!(get_suffix("1.0f32"), "f32"); + assert_eq!(get_suffix("1.0_f32"), "f32"); +} + +#[test] +fn test_deep_group_empty() { + let tokens = TokenStream::from_iter(vec![TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::from_iter(vec![TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::from_iter(vec![TokenTree::Literal(Literal::string("hi"))]), + ))]), + ))]); + + snapshot!(tokens as Lit, @r#""hi""# ); +} + +#[test] +fn test_error() { + let err = syn::parse_str::<LitStr>("...").unwrap_err(); + assert_eq!("expected string literal", err.to_string()); + + let err = syn::parse_str::<LitStr>("5").unwrap_err(); + assert_eq!("expected string literal", err.to_string()); +} diff --git a/third_party/rust/syn/tests/test_meta.rs b/third_party/rust/syn/tests/test_meta.rs new file mode 100644 index 0000000000..9b3f30deeb --- /dev/null +++ b/third_party/rust/syn/tests/test_meta.rs @@ -0,0 +1,378 @@ +#![allow(clippy::shadow_unrelated, clippy::too_many_lines)] + +#[macro_use] +mod macros; + +use syn::{Meta, MetaList, MetaNameValue, NestedMeta}; + +#[test] +fn test_parse_meta_item_word() { + let input = "hello"; + + snapshot!(input as Meta, @r###" + Path(Path { + segments: [ + PathSegment { + ident: "hello", + arguments: None, + }, + ], + }) + "###); +} + +#[test] +fn test_parse_meta_name_value() { + let input = "foo = 5"; + let (inner, meta) = (input, input); + + snapshot!(inner as MetaNameValue, @r###" + MetaNameValue { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); + + snapshot!(meta as Meta, @r###" + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); + + assert_eq!(meta, inner.into()); +} + +#[test] +fn test_parse_meta_name_value_with_keyword() { + let input = "static = 5"; + let (inner, meta) = (input, input); + + snapshot!(inner as MetaNameValue, @r###" + MetaNameValue { + path: Path { + segments: [ + PathSegment { + ident: "static", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); + + snapshot!(meta as Meta, @r###" + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "static", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); + + assert_eq!(meta, inner.into()); +} + +#[test] +fn test_parse_meta_name_value_with_bool() { + let input = "true = 5"; + let (inner, meta) = (input, input); + + snapshot!(inner as MetaNameValue, @r###" + MetaNameValue { + path: Path { + segments: [ + PathSegment { + ident: "true", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); + + snapshot!(meta as Meta, @r###" + Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "true", + arguments: None, + }, + ], + }, + lit: 5, + } + "###); + + assert_eq!(meta, inner.into()); +} + +#[test] +fn test_parse_meta_item_list_lit() { + let input = "foo(5)"; + let (inner, meta) = (input, input); + + snapshot!(inner as MetaList, @r###" + MetaList { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Lit(5), + ], + } + "###); + + snapshot!(meta as Meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Lit(5), + ], + } + "###); + + assert_eq!(meta, inner.into()); +} + +#[test] +fn test_parse_meta_item_multiple() { + let input = "foo(word, name = 5, list(name2 = 6), word2)"; + let (inner, meta) = (input, input); + + snapshot!(inner as MetaList, @r###" + MetaList { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Meta(Path(Path { + segments: [ + PathSegment { + ident: "word", + arguments: None, + }, + ], + })), + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name", + arguments: None, + }, + ], + }, + lit: 5, + }), + Meta(Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "list", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name2", + arguments: None, + }, + ], + }, + lit: 6, + }), + ], + }), + Meta(Path(Path { + segments: [ + PathSegment { + ident: "word2", + arguments: None, + }, + ], + })), + ], + } + "###); + + snapshot!(meta as Meta, @r###" + Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "foo", + arguments: None, + }, + ], + }, + nested: [ + Meta(Path(Path { + segments: [ + PathSegment { + ident: "word", + arguments: None, + }, + ], + })), + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name", + arguments: None, + }, + ], + }, + lit: 5, + }), + Meta(Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "list", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name2", + arguments: None, + }, + ], + }, + lit: 6, + }), + ], + }), + Meta(Path(Path { + segments: [ + PathSegment { + ident: "word2", + arguments: None, + }, + ], + })), + ], + } + "###); + + assert_eq!(meta, inner.into()); +} + +#[test] +fn test_parse_nested_meta() { + let input = "5"; + snapshot!(input as NestedMeta, @"Lit(5)"); + + let input = "list(name2 = 6)"; + snapshot!(input as NestedMeta, @r###" + Meta(Meta::List { + path: Path { + segments: [ + PathSegment { + ident: "list", + arguments: None, + }, + ], + }, + nested: [ + Meta(Meta::NameValue { + path: Path { + segments: [ + PathSegment { + ident: "name2", + arguments: None, + }, + ], + }, + lit: 6, + }), + ], + }) + "###); +} + +#[test] +fn test_parse_path() { + let input = "::serde::Serialize"; + snapshot!(input as Meta, @r###" + Path(Path { + leading_colon: Some, + segments: [ + PathSegment { + ident: "serde", + arguments: None, + }, + PathSegment { + ident: "Serialize", + arguments: None, + }, + ], + }) + "###); + + let input = "::serde::Serialize"; + snapshot!(input as NestedMeta, @r###" + Meta(Path(Path { + leading_colon: Some, + segments: [ + PathSegment { + ident: "serde", + arguments: None, + }, + PathSegment { + ident: "Serialize", + arguments: None, + }, + ], + })) + "###); +} diff --git a/third_party/rust/syn/tests/test_parse_buffer.rs b/third_party/rust/syn/tests/test_parse_buffer.rs new file mode 100644 index 0000000000..cc23e9ba6c --- /dev/null +++ b/third_party/rust/syn/tests/test_parse_buffer.rs @@ -0,0 +1,92 @@ +#![allow(clippy::non_ascii_literal)] + +use proc_macro2::{Delimiter, Group, Punct, Spacing, TokenStream, TokenTree}; +use std::iter::FromIterator; +use syn::parse::{discouraged::Speculative, Parse, ParseStream, Parser, Result}; +use syn::{parenthesized, Token}; + +#[test] +#[should_panic(expected = "Fork was not derived from the advancing parse stream")] +fn smuggled_speculative_cursor_between_sources() { + struct BreakRules; + impl Parse for BreakRules { + fn parse(input1: ParseStream) -> Result<Self> { + let nested = |input2: ParseStream| { + input1.advance_to(input2); + Ok(Self) + }; + nested.parse_str("") + } + } + + syn::parse_str::<BreakRules>("").unwrap(); +} + +#[test] +#[should_panic(expected = "Fork was not derived from the advancing parse stream")] +fn smuggled_speculative_cursor_between_brackets() { + struct BreakRules; + impl Parse for BreakRules { + fn parse(input: ParseStream) -> Result<Self> { + let a; + let b; + parenthesized!(a in input); + parenthesized!(b in input); + a.advance_to(&b); + Ok(Self) + } + } + + syn::parse_str::<BreakRules>("()()").unwrap(); +} + +#[test] +#[should_panic(expected = "Fork was not derived from the advancing parse stream")] +fn smuggled_speculative_cursor_into_brackets() { + struct BreakRules; + impl Parse for BreakRules { + fn parse(input: ParseStream) -> Result<Self> { + let a; + parenthesized!(a in input); + input.advance_to(&a); + Ok(Self) + } + } + + syn::parse_str::<BreakRules>("()").unwrap(); +} + +#[test] +fn trailing_empty_none_group() { + fn parse(input: ParseStream) -> Result<()> { + input.parse::<Token![+]>()?; + + let content; + parenthesized!(content in input); + content.parse::<Token![+]>()?; + + Ok(()) + } + + // `+ ( + <Ø Ø> ) <Ø <Ø Ø> Ø>` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Punct(Punct::new('+', Spacing::Alone)), + TokenTree::Group(Group::new( + Delimiter::Parenthesis, + TokenStream::from_iter(vec![ + TokenTree::Punct(Punct::new('+', Spacing::Alone)), + TokenTree::Group(Group::new(Delimiter::None, TokenStream::new())), + ]), + )), + TokenTree::Group(Group::new(Delimiter::None, TokenStream::new())), + TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::from_iter(vec![TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::new(), + ))]), + )), + ]); + + parse.parse2(tokens).unwrap(); +} diff --git a/third_party/rust/syn/tests/test_parse_stream.rs b/third_party/rust/syn/tests/test_parse_stream.rs new file mode 100644 index 0000000000..cc14fa032e --- /dev/null +++ b/third_party/rust/syn/tests/test_parse_stream.rs @@ -0,0 +1,12 @@ +use syn::ext::IdentExt; +use syn::parse::ParseStream; +use syn::{Ident, Token}; + +#[test] +fn test_peek() { + _ = |input: ParseStream| { + _ = input.peek(Ident); + _ = input.peek(Ident::peek_any); + _ = input.peek(Token![::]); + }; +} diff --git a/third_party/rust/syn/tests/test_pat.rs b/third_party/rust/syn/tests/test_pat.rs new file mode 100644 index 0000000000..695e4736ee --- /dev/null +++ b/third_party/rust/syn/tests/test_pat.rs @@ -0,0 +1,67 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, TokenStream, TokenTree}; +use quote::quote; +use std::iter::FromIterator; +use syn::{Item, Pat, Stmt}; + +#[test] +fn test_pat_ident() { + match syn::parse2(quote!(self)).unwrap() { + Pat::Ident(_) => (), + value => panic!("expected PatIdent, got {:?}", value), + } +} + +#[test] +fn test_pat_path() { + match syn::parse2(quote!(self::CONST)).unwrap() { + Pat::Path(_) => (), + value => panic!("expected PatPath, got {:?}", value), + } +} + +#[test] +fn test_leading_vert() { + // https://github.com/rust-lang/rust/blob/1.43.0/src/test/ui/or-patterns/remove-leading-vert.rs + + syn::parse_str::<Item>("fn f() {}").unwrap(); + syn::parse_str::<Item>("fn fun1(| A: E) {}").unwrap_err(); + syn::parse_str::<Item>("fn fun2(|| A: E) {}").unwrap_err(); + + syn::parse_str::<Stmt>("let | () = ();").unwrap(); + syn::parse_str::<Stmt>("let (| A): E;").unwrap(); + syn::parse_str::<Stmt>("let (|| A): (E);").unwrap_err(); + syn::parse_str::<Stmt>("let (| A,): (E,);").unwrap(); + syn::parse_str::<Stmt>("let [| A]: [E; 1];").unwrap(); + syn::parse_str::<Stmt>("let [|| A]: [E; 1];").unwrap_err(); + syn::parse_str::<Stmt>("let TS(| A): TS;").unwrap(); + syn::parse_str::<Stmt>("let TS(|| A): TS;").unwrap_err(); + syn::parse_str::<Stmt>("let NS { f: | A }: NS;").unwrap(); + syn::parse_str::<Stmt>("let NS { f: || A }: NS;").unwrap_err(); +} + +#[test] +fn test_group() { + let group = Group::new(Delimiter::None, quote!(Some(_))); + let tokens = TokenStream::from_iter(vec![TokenTree::Group(group)]); + + snapshot!(tokens as Pat, @r###" + Pat::TupleStruct { + path: Path { + segments: [ + PathSegment { + ident: "Some", + arguments: None, + }, + ], + }, + pat: PatTuple { + elems: [ + Pat::Wild, + ], + }, + } + "###); +} diff --git a/third_party/rust/syn/tests/test_path.rs b/third_party/rust/syn/tests/test_path.rs new file mode 100644 index 0000000000..c732eff70c --- /dev/null +++ b/third_party/rust/syn/tests/test_path.rs @@ -0,0 +1,126 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree}; +use quote::{quote, ToTokens}; +use std::iter::FromIterator; +use syn::{parse_quote, Expr, Type, TypePath}; + +#[test] +fn parse_interpolated_leading_component() { + // mimics the token stream corresponding to `$mod::rest` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { first })), + TokenTree::Punct(Punct::new(':', Spacing::Joint)), + TokenTree::Punct(Punct::new(':', Spacing::Alone)), + TokenTree::Ident(Ident::new("rest", Span::call_site())), + ]); + + snapshot!(tokens.clone() as Expr, @r###" + Expr::Path { + path: Path { + segments: [ + PathSegment { + ident: "first", + arguments: None, + }, + PathSegment { + ident: "rest", + arguments: None, + }, + ], + }, + } + "###); + + snapshot!(tokens as Type, @r###" + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "first", + arguments: None, + }, + PathSegment { + ident: "rest", + arguments: None, + }, + ], + }, + } + "###); +} + +#[test] +fn print_incomplete_qpath() { + // qpath with `as` token + let mut ty: TypePath = parse_quote!(<Self as A>::Q); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`< Self as A > :: Q`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`< Self as A > ::`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`< Self >`) + "###); + assert!(ty.path.segments.pop().is_none()); + + // qpath without `as` token + let mut ty: TypePath = parse_quote!(<Self>::A::B); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`< Self > :: A :: B`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`< Self > :: A ::`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`< Self > ::`) + "###); + assert!(ty.path.segments.pop().is_none()); + + // normal path + let mut ty: TypePath = parse_quote!(Self::A::B); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`Self :: A :: B`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`Self :: A ::`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(`Self ::`) + "###); + assert!(ty.path.segments.pop().is_some()); + snapshot!(ty.to_token_stream(), @r###" + TokenStream(``) + "###); + assert!(ty.path.segments.pop().is_none()); +} + +#[test] +fn parse_parenthesized_path_arguments_with_disambiguator() { + #[rustfmt::skip] + let tokens = quote!(FnOnce::() -> !); + snapshot!(tokens as Type, @r###" + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "FnOnce", + arguments: PathArguments::Parenthesized { + output: Type( + Type::Never, + ), + }, + }, + ], + }, + } + "###); +} diff --git a/third_party/rust/syn/tests/test_precedence.rs b/third_party/rust/syn/tests/test_precedence.rs new file mode 100644 index 0000000000..dbcd74f163 --- /dev/null +++ b/third_party/rust/syn/tests/test_precedence.rs @@ -0,0 +1,460 @@ +#![cfg(not(syn_disable_nightly_tests))] +#![cfg(not(miri))] +#![recursion_limit = "1024"] +#![feature(rustc_private)] +#![allow( + clippy::explicit_deref_methods, + clippy::manual_assert, + clippy::match_wildcard_for_single_variants, + clippy::too_many_lines +)] + +//! The tests in this module do the following: +//! +//! 1. Parse a given expression in both `syn` and `librustc`. +//! 2. Fold over the expression adding brackets around each subexpression (with +//! some complications - see the `syn_brackets` and `librustc_brackets` +//! methods). +//! 3. Serialize the `syn` expression back into a string, and re-parse it with +//! `librustc`. +//! 4. Respan all of the expressions, replacing the spans with the default +//! spans. +//! 5. Compare the expressions with one another, if they are not equal fail. + +extern crate rustc_ast; +extern crate rustc_data_structures; +extern crate rustc_span; +extern crate thin_vec; + +use crate::common::eq::SpanlessEq; +use crate::common::parse; +use quote::quote; +use rayon::iter::{IntoParallelIterator, ParallelIterator}; +use regex::Regex; +use rustc_ast::ast; +use rustc_ast::ptr::P; +use rustc_span::edition::Edition; +use std::fs; +use std::process; +use std::sync::atomic::{AtomicUsize, Ordering}; +use walkdir::{DirEntry, WalkDir}; + +#[macro_use] +mod macros; + +#[allow(dead_code)] +mod common; + +mod repo; + +/// Test some pre-set expressions chosen by us. +#[test] +fn test_simple_precedence() { + const EXPRS: &[&str] = &[ + "1 + 2 * 3 + 4", + "1 + 2 * ( 3 + 4 )", + "{ for i in r { } *some_ptr += 1; }", + "{ loop { break 5; } }", + "{ if true { () }.mthd() }", + "{ for i in unsafe { 20 } { } }", + ]; + + let mut failed = 0; + + for input in EXPRS { + let expr = if let Some(expr) = parse::syn_expr(input) { + expr + } else { + failed += 1; + continue; + }; + + let pf = match test_expressions(Edition::Edition2018, vec![expr]) { + (1, 0) => "passed", + (0, 1) => { + failed += 1; + "failed" + } + _ => unreachable!(), + }; + errorf!("=== {}: {}\n", input, pf); + } + + if failed > 0 { + panic!("Failed {} tests", failed); + } +} + +/// Test expressions from rustc, like in `test_round_trip`. +#[test] +fn test_rustc_precedence() { + common::rayon_init(); + repo::clone_rust(); + let abort_after = common::abort_after(); + if abort_after == 0 { + panic!("Skipping all precedence tests"); + } + + let passed = AtomicUsize::new(0); + let failed = AtomicUsize::new(0); + + // 2018 edition is hard + let edition_regex = Regex::new(r"\b(async|try)[!(]").unwrap(); + + WalkDir::new("tests/rust") + .sort_by(|a, b| a.file_name().cmp(b.file_name())) + .into_iter() + .filter_entry(repo::base_dir_filter) + .collect::<Result<Vec<DirEntry>, walkdir::Error>>() + .unwrap() + .into_par_iter() + .for_each(|entry| { + let path = entry.path(); + if path.is_dir() { + return; + } + + let content = fs::read_to_string(path).unwrap(); + let content = edition_regex.replace_all(&content, "_$0"); + + let (l_passed, l_failed) = match syn::parse_file(&content) { + Ok(file) => { + let edition = repo::edition(path).parse().unwrap(); + let exprs = collect_exprs(file); + test_expressions(edition, exprs) + } + Err(msg) => { + errorf!("syn failed to parse\n{:?}\n", msg); + (0, 1) + } + }; + + errorf!( + "=== {}: {} passed | {} failed\n", + path.display(), + l_passed, + l_failed + ); + + passed.fetch_add(l_passed, Ordering::Relaxed); + let prev_failed = failed.fetch_add(l_failed, Ordering::Relaxed); + + if prev_failed + l_failed >= abort_after { + process::exit(1); + } + }); + + let passed = passed.load(Ordering::Relaxed); + let failed = failed.load(Ordering::Relaxed); + + errorf!("\n===== Precedence Test Results =====\n"); + errorf!("{} passed | {} failed\n", passed, failed); + + if failed > 0 { + panic!("{} failures", failed); + } +} + +fn test_expressions(edition: Edition, exprs: Vec<syn::Expr>) -> (usize, usize) { + let mut passed = 0; + let mut failed = 0; + + rustc_span::create_session_if_not_set_then(edition, |_| { + for expr in exprs { + let raw = quote!(#expr).to_string(); + + let librustc_ast = if let Some(e) = librustc_parse_and_rewrite(&raw) { + e + } else { + failed += 1; + errorf!("\nFAIL - librustc failed to parse raw\n"); + continue; + }; + + let syn_expr = syn_brackets(expr); + let syn_ast = if let Some(e) = parse::librustc_expr("e!(#syn_expr).to_string()) { + e + } else { + failed += 1; + errorf!("\nFAIL - librustc failed to parse bracketed\n"); + continue; + }; + + if SpanlessEq::eq(&syn_ast, &librustc_ast) { + passed += 1; + } else { + failed += 1; + errorf!("\nFAIL\n{:?}\n!=\n{:?}\n", syn_ast, librustc_ast); + } + } + }); + + (passed, failed) +} + +fn librustc_parse_and_rewrite(input: &str) -> Option<P<ast::Expr>> { + parse::librustc_expr(input).and_then(librustc_brackets) +} + +/// Wrap every expression which is not already wrapped in parens with parens, to +/// reveal the precedence of the parsed expressions, and produce a stringified +/// form of the resulting expression. +/// +/// This method operates on librustc objects. +fn librustc_brackets(mut librustc_expr: P<ast::Expr>) -> Option<P<ast::Expr>> { + use rustc_ast::ast::{ + Attribute, Block, BorrowKind, Expr, ExprField, ExprKind, GenericArg, Local, LocalKind, Pat, + Stmt, StmtKind, StructExpr, StructRest, Ty, + }; + use rustc_ast::mut_visit::{noop_visit_generic_arg, noop_visit_local, MutVisitor}; + use rustc_data_structures::map_in_place::MapInPlace; + use rustc_span::DUMMY_SP; + use std::mem; + use std::ops::DerefMut; + use thin_vec::ThinVec; + + struct BracketsVisitor { + failed: bool, + } + + fn flat_map_field<T: MutVisitor>(mut f: ExprField, vis: &mut T) -> Vec<ExprField> { + if f.is_shorthand { + noop_visit_expr(&mut f.expr, vis); + } else { + vis.visit_expr(&mut f.expr); + } + vec![f] + } + + fn flat_map_stmt<T: MutVisitor>(stmt: Stmt, vis: &mut T) -> Vec<Stmt> { + let kind = match stmt.kind { + // Don't wrap toplevel expressions in statements. + StmtKind::Expr(mut e) => { + noop_visit_expr(&mut e, vis); + StmtKind::Expr(e) + } + StmtKind::Semi(mut e) => { + noop_visit_expr(&mut e, vis); + StmtKind::Semi(e) + } + s => s, + }; + + vec![Stmt { kind, ..stmt }] + } + + fn noop_visit_expr<T: MutVisitor>(e: &mut Expr, vis: &mut T) { + use rustc_ast::mut_visit::{noop_visit_expr, visit_attrs}; + match &mut e.kind { + ExprKind::AddrOf(BorrowKind::Raw, ..) => {} + ExprKind::Struct(expr) => { + let StructExpr { + qself, + path, + fields, + rest, + } = expr.deref_mut(); + vis.visit_qself(qself); + vis.visit_path(path); + fields.flat_map_in_place(|field| flat_map_field(field, vis)); + if let StructRest::Base(rest) = rest { + vis.visit_expr(rest); + } + vis.visit_id(&mut e.id); + vis.visit_span(&mut e.span); + visit_attrs(&mut e.attrs, vis); + } + _ => noop_visit_expr(e, vis), + } + } + + impl MutVisitor for BracketsVisitor { + fn visit_expr(&mut self, e: &mut P<Expr>) { + match e.kind { + ExprKind::ConstBlock(..) => {} + _ => noop_visit_expr(e, self), + } + match e.kind { + ExprKind::If(..) | ExprKind::Block(..) | ExprKind::Let(..) => {} + _ => { + let inner = mem::replace( + e, + P(Expr { + id: ast::DUMMY_NODE_ID, + kind: ExprKind::Err, + span: DUMMY_SP, + attrs: ThinVec::new(), + tokens: None, + }), + ); + e.kind = ExprKind::Paren(inner); + } + } + } + + fn visit_generic_arg(&mut self, arg: &mut GenericArg) { + match arg { + // Don't wrap unbraced const generic arg as that's invalid syntax. + GenericArg::Const(anon_const) => { + if let ExprKind::Block(..) = &mut anon_const.value.kind { + noop_visit_expr(&mut anon_const.value, self); + } + } + _ => noop_visit_generic_arg(arg, self), + } + } + + fn visit_block(&mut self, block: &mut P<Block>) { + self.visit_id(&mut block.id); + block + .stmts + .flat_map_in_place(|stmt| flat_map_stmt(stmt, self)); + self.visit_span(&mut block.span); + } + + fn visit_local(&mut self, local: &mut P<Local>) { + match local.kind { + LocalKind::InitElse(..) => {} + _ => noop_visit_local(local, self), + } + } + + // We don't want to look at expressions that might appear in patterns or + // types yet. We'll look into comparing those in the future. For now + // focus on expressions appearing in other places. + fn visit_pat(&mut self, pat: &mut P<Pat>) { + _ = pat; + } + + fn visit_ty(&mut self, ty: &mut P<Ty>) { + _ = ty; + } + + fn visit_attribute(&mut self, attr: &mut Attribute) { + _ = attr; + } + } + + let mut folder = BracketsVisitor { failed: false }; + folder.visit_expr(&mut librustc_expr); + if folder.failed { + None + } else { + Some(librustc_expr) + } +} + +/// Wrap every expression which is not already wrapped in parens with parens, to +/// reveal the precedence of the parsed expressions, and produce a stringified +/// form of the resulting expression. +fn syn_brackets(syn_expr: syn::Expr) -> syn::Expr { + use syn::fold::{fold_expr, fold_generic_argument, fold_generic_method_argument, Fold}; + use syn::{token, Expr, ExprParen, GenericArgument, GenericMethodArgument, Pat, Stmt, Type}; + + struct ParenthesizeEveryExpr; + impl Fold for ParenthesizeEveryExpr { + fn fold_expr(&mut self, expr: Expr) -> Expr { + match expr { + Expr::Group(_) => unreachable!(), + Expr::If(..) | Expr::Unsafe(..) | Expr::Block(..) | Expr::Let(..) => { + fold_expr(self, expr) + } + _ => Expr::Paren(ExprParen { + attrs: Vec::new(), + expr: Box::new(fold_expr(self, expr)), + paren_token: token::Paren::default(), + }), + } + } + + fn fold_generic_argument(&mut self, arg: GenericArgument) -> GenericArgument { + match arg { + GenericArgument::Const(arg) => GenericArgument::Const(match arg { + Expr::Block(_) => fold_expr(self, arg), + // Don't wrap unbraced const generic arg as that's invalid syntax. + _ => arg, + }), + _ => fold_generic_argument(self, arg), + } + } + + fn fold_generic_method_argument( + &mut self, + arg: GenericMethodArgument, + ) -> GenericMethodArgument { + match arg { + GenericMethodArgument::Const(arg) => GenericMethodArgument::Const(match arg { + Expr::Block(_) => fold_expr(self, arg), + // Don't wrap unbraced const generic arg as that's invalid syntax. + _ => arg, + }), + _ => fold_generic_method_argument(self, arg), + } + } + + fn fold_stmt(&mut self, stmt: Stmt) -> Stmt { + match stmt { + // Don't wrap toplevel expressions in statements. + Stmt::Expr(e) => Stmt::Expr(fold_expr(self, e)), + Stmt::Semi(e, semi) => { + if let Expr::Verbatim(_) = e { + Stmt::Semi(e, semi) + } else { + Stmt::Semi(fold_expr(self, e), semi) + } + } + s => s, + } + } + + // We don't want to look at expressions that might appear in patterns or + // types yet. We'll look into comparing those in the future. For now + // focus on expressions appearing in other places. + fn fold_pat(&mut self, pat: Pat) -> Pat { + pat + } + + fn fold_type(&mut self, ty: Type) -> Type { + ty + } + } + + let mut folder = ParenthesizeEveryExpr; + folder.fold_expr(syn_expr) +} + +/// Walk through a crate collecting all expressions we can find in it. +fn collect_exprs(file: syn::File) -> Vec<syn::Expr> { + use syn::fold::Fold; + use syn::punctuated::Punctuated; + use syn::{token, ConstParam, Expr, ExprTuple, Path}; + + struct CollectExprs(Vec<Expr>); + impl Fold for CollectExprs { + fn fold_expr(&mut self, expr: Expr) -> Expr { + match expr { + Expr::Verbatim(_) => {} + _ => self.0.push(expr), + } + + Expr::Tuple(ExprTuple { + attrs: vec![], + elems: Punctuated::new(), + paren_token: token::Paren::default(), + }) + } + + fn fold_path(&mut self, path: Path) -> Path { + // Skip traversing into const generic path arguments + path + } + + fn fold_const_param(&mut self, const_param: ConstParam) -> ConstParam { + const_param + } + } + + let mut folder = CollectExprs(vec![]); + folder.fold_file(file); + folder.0 +} diff --git a/third_party/rust/syn/tests/test_receiver.rs b/third_party/rust/syn/tests/test_receiver.rs new file mode 100644 index 0000000000..923df96ba9 --- /dev/null +++ b/third_party/rust/syn/tests/test_receiver.rs @@ -0,0 +1,127 @@ +use syn::{parse_quote, FnArg, Receiver, TraitItemMethod}; + +#[test] +fn test_by_value() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn by_value(self: Self); + }; + match sig.receiver() { + Some(FnArg::Typed(_)) => (), + value => panic!("expected FnArg::Typed, got {:?}", value), + } +} + +#[test] +fn test_by_mut_value() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn by_mut(mut self: Self); + }; + match sig.receiver() { + Some(FnArg::Typed(_)) => (), + value => panic!("expected FnArg::Typed, got {:?}", value), + } +} + +#[test] +fn test_by_ref() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn by_ref(self: &Self); + }; + match sig.receiver() { + Some(FnArg::Typed(_)) => (), + value => panic!("expected FnArg::Typed, got {:?}", value), + } +} + +#[test] +fn test_by_box() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn by_box(self: Box<Self>); + }; + match sig.receiver() { + Some(FnArg::Typed(_)) => (), + value => panic!("expected FnArg::Typed, got {:?}", value), + } +} + +#[test] +fn test_by_pin() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn by_pin(self: Pin<Self>); + }; + match sig.receiver() { + Some(FnArg::Typed(_)) => (), + value => panic!("expected FnArg::Typed, got {:?}", value), + } +} + +#[test] +fn test_explicit_type() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn explicit_type(self: Pin<MyType>); + }; + match sig.receiver() { + Some(FnArg::Typed(_)) => (), + value => panic!("expected FnArg::Typed, got {:?}", value), + } +} + +#[test] +fn test_value_shorthand() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn value_shorthand(self); + }; + match sig.receiver() { + Some(FnArg::Receiver(Receiver { + reference: None, + mutability: None, + .. + })) => (), + value => panic!("expected FnArg::Receiver without ref/mut, got {:?}", value), + } +} + +#[test] +fn test_mut_value_shorthand() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn mut_value_shorthand(mut self); + }; + match sig.receiver() { + Some(FnArg::Receiver(Receiver { + reference: None, + mutability: Some(_), + .. + })) => (), + value => panic!("expected FnArg::Receiver with mut, got {:?}", value), + } +} + +#[test] +fn test_ref_shorthand() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn ref_shorthand(&self); + }; + match sig.receiver() { + Some(FnArg::Receiver(Receiver { + reference: Some(_), + mutability: None, + .. + })) => (), + value => panic!("expected FnArg::Receiver with ref, got {:?}", value), + } +} + +#[test] +fn test_ref_mut_shorthand() { + let TraitItemMethod { sig, .. } = parse_quote! { + fn ref_mut_shorthand(&mut self); + }; + match sig.receiver() { + Some(FnArg::Receiver(Receiver { + reference: Some(_), + mutability: Some(_), + .. + })) => (), + value => panic!("expected FnArg::Receiver with ref+mut, got {:?}", value), + } +} diff --git a/third_party/rust/syn/tests/test_round_trip.rs b/third_party/rust/syn/tests/test_round_trip.rs new file mode 100644 index 0000000000..9a5801d449 --- /dev/null +++ b/third_party/rust/syn/tests/test_round_trip.rs @@ -0,0 +1,241 @@ +#![cfg(not(syn_disable_nightly_tests))] +#![cfg(not(miri))] +#![recursion_limit = "1024"] +#![feature(rustc_private)] +#![allow(clippy::manual_assert)] + +extern crate rustc_ast; +extern crate rustc_data_structures; +extern crate rustc_error_messages; +extern crate rustc_errors; +extern crate rustc_expand; +extern crate rustc_parse as parse; +extern crate rustc_session; +extern crate rustc_span; + +use crate::common::eq::SpanlessEq; +use quote::quote; +use rayon::iter::{IntoParallelIterator, ParallelIterator}; +use rustc_ast::ast::{ + AngleBracketedArg, AngleBracketedArgs, Crate, GenericArg, GenericParamKind, Generics, + WhereClause, +}; +use rustc_ast::mut_visit::{self, MutVisitor}; +use rustc_error_messages::{DiagnosticMessage, LazyFallbackBundle}; +use rustc_errors::{translation, Diagnostic, PResult}; +use rustc_session::parse::ParseSess; +use rustc_span::source_map::FilePathMapping; +use rustc_span::FileName; +use std::fs; +use std::panic; +use std::path::Path; +use std::process; +use std::sync::atomic::{AtomicUsize, Ordering}; +use std::time::Instant; +use walkdir::{DirEntry, WalkDir}; + +#[macro_use] +mod macros; + +#[allow(dead_code)] +mod common; + +mod repo; + +#[test] +fn test_round_trip() { + common::rayon_init(); + repo::clone_rust(); + let abort_after = common::abort_after(); + if abort_after == 0 { + panic!("Skipping all round_trip tests"); + } + + let failed = AtomicUsize::new(0); + + WalkDir::new("tests/rust") + .sort_by(|a, b| a.file_name().cmp(b.file_name())) + .into_iter() + .filter_entry(repo::base_dir_filter) + .collect::<Result<Vec<DirEntry>, walkdir::Error>>() + .unwrap() + .into_par_iter() + .for_each(|entry| { + let path = entry.path(); + if !path.is_dir() { + test(path, &failed, abort_after); + } + }); + + let failed = failed.load(Ordering::Relaxed); + if failed > 0 { + panic!("{} failures", failed); + } +} + +fn test(path: &Path, failed: &AtomicUsize, abort_after: usize) { + let content = fs::read_to_string(path).unwrap(); + + let start = Instant::now(); + let (krate, elapsed) = match syn::parse_file(&content) { + Ok(krate) => (krate, start.elapsed()), + Err(msg) => { + errorf!("=== {}: syn failed to parse\n{:?}\n", path.display(), msg); + let prev_failed = failed.fetch_add(1, Ordering::Relaxed); + if prev_failed + 1 >= abort_after { + process::exit(1); + } + return; + } + }; + let back = quote!(#krate).to_string(); + let edition = repo::edition(path).parse().unwrap(); + + rustc_span::create_session_if_not_set_then(edition, |_| { + let equal = match panic::catch_unwind(|| { + let sess = ParseSess::new(FilePathMapping::empty()); + let before = match librustc_parse(content, &sess) { + Ok(before) => before, + Err(diagnostic) => { + errorf!( + "=== {}: ignore - librustc failed to parse original content: {}\n", + path.display(), + translate_message(&diagnostic), + ); + diagnostic.cancel(); + return Err(true); + } + }; + let after = match librustc_parse(back, &sess) { + Ok(after) => after, + Err(mut diagnostic) => { + errorf!("=== {}: librustc failed to parse", path.display()); + diagnostic.emit(); + return Err(false); + } + }; + Ok((before, after)) + }) { + Err(_) => { + errorf!("=== {}: ignoring librustc panic\n", path.display()); + true + } + Ok(Err(equal)) => equal, + Ok(Ok((mut before, mut after))) => { + normalize(&mut before); + normalize(&mut after); + if SpanlessEq::eq(&before, &after) { + errorf!( + "=== {}: pass in {}ms\n", + path.display(), + elapsed.as_secs() * 1000 + u64::from(elapsed.subsec_nanos()) / 1_000_000 + ); + true + } else { + errorf!( + "=== {}: FAIL\nbefore: {:#?}\nafter: {:#?}\n", + path.display(), + before, + after, + ); + false + } + } + }; + if !equal { + let prev_failed = failed.fetch_add(1, Ordering::Relaxed); + if prev_failed + 1 >= abort_after { + process::exit(1); + } + } + }); +} + +fn librustc_parse(content: String, sess: &ParseSess) -> PResult<Crate> { + static COUNTER: AtomicUsize = AtomicUsize::new(0); + let counter = COUNTER.fetch_add(1, Ordering::Relaxed); + let name = FileName::Custom(format!("test_round_trip{}", counter)); + parse::parse_crate_from_source_str(name, content, sess) +} + +fn translate_message(diagnostic: &Diagnostic) -> String { + thread_local! { + static FLUENT_BUNDLE: LazyFallbackBundle = { + let resources = rustc_error_messages::DEFAULT_LOCALE_RESOURCES; + let with_directionality_markers = false; + rustc_error_messages::fallback_fluent_bundle(resources, with_directionality_markers) + }; + } + + let message = &diagnostic.message[0].0; + let args = translation::to_fluent_args(diagnostic.args()); + + let (identifier, attr) = match message { + DiagnosticMessage::Str(msg) | DiagnosticMessage::Eager(msg) => return msg.clone(), + DiagnosticMessage::FluentIdentifier(identifier, attr) => (identifier, attr), + }; + + FLUENT_BUNDLE.with(|fluent_bundle| { + let message = fluent_bundle + .get_message(identifier) + .expect("missing diagnostic in fluent bundle"); + let value = match attr { + Some(attr) => message + .get_attribute(attr) + .expect("missing attribute in fluent message") + .value(), + None => message.value().expect("missing value in fluent message"), + }; + + let mut err = Vec::new(); + let translated = fluent_bundle.format_pattern(value, Some(&args), &mut err); + assert!(err.is_empty()); + translated.into_owned() + }) +} + +fn normalize(krate: &mut Crate) { + struct NormalizeVisitor; + + impl MutVisitor for NormalizeVisitor { + fn visit_angle_bracketed_parameter_data(&mut self, e: &mut AngleBracketedArgs) { + #[derive(Ord, PartialOrd, Eq, PartialEq)] + enum Group { + Lifetimes, + TypesAndConsts, + Constraints, + } + e.args.sort_by_key(|arg| match arg { + AngleBracketedArg::Arg(arg) => match arg { + GenericArg::Lifetime(_) => Group::Lifetimes, + GenericArg::Type(_) | GenericArg::Const(_) => Group::TypesAndConsts, + }, + AngleBracketedArg::Constraint(_) => Group::Constraints, + }); + mut_visit::noop_visit_angle_bracketed_parameter_data(e, self); + } + + fn visit_generics(&mut self, e: &mut Generics) { + #[derive(Ord, PartialOrd, Eq, PartialEq)] + enum Group { + Lifetimes, + TypesAndConsts, + } + e.params.sort_by_key(|param| match param.kind { + GenericParamKind::Lifetime => Group::Lifetimes, + GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => { + Group::TypesAndConsts + } + }); + mut_visit::noop_visit_generics(e, self); + } + + fn visit_where_clause(&mut self, e: &mut WhereClause) { + if e.predicates.is_empty() { + e.has_where_token = false; + } + } + } + + NormalizeVisitor.visit_crate(krate); +} diff --git a/third_party/rust/syn/tests/test_shebang.rs b/third_party/rust/syn/tests/test_shebang.rs new file mode 100644 index 0000000000..dc26b9aab3 --- /dev/null +++ b/third_party/rust/syn/tests/test_shebang.rs @@ -0,0 +1,59 @@ +#[macro_use] +mod macros; + +#[test] +fn test_basic() { + let content = "#!/usr/bin/env rustx\nfn main() {}"; + let file = syn::parse_file(content).unwrap(); + snapshot!(file, @r###" + File { + shebang: Some("#!/usr/bin/env rustx"), + items: [ + Item::Fn { + vis: Inherited, + sig: Signature { + ident: "main", + generics: Generics, + output: Default, + }, + block: Block, + }, + ], + } + "###); +} + +#[test] +fn test_comment() { + let content = "#!//am/i/a/comment\n[allow(dead_code)] fn main() {}"; + let file = syn::parse_file(content).unwrap(); + snapshot!(file, @r###" + File { + attrs: [ + Attribute { + style: Inner, + path: Path { + segments: [ + PathSegment { + ident: "allow", + arguments: None, + }, + ], + }, + tokens: TokenStream(`(dead_code)`), + }, + ], + items: [ + Item::Fn { + vis: Inherited, + sig: Signature { + ident: "main", + generics: Generics, + output: Default, + }, + block: Block, + }, + ], + } + "###); +} diff --git a/third_party/rust/syn/tests/test_should_parse.rs b/third_party/rust/syn/tests/test_should_parse.rs new file mode 100644 index 0000000000..180d859916 --- /dev/null +++ b/third_party/rust/syn/tests/test_should_parse.rs @@ -0,0 +1,45 @@ +macro_rules! should_parse { + ($name:ident, { $($in:tt)* }) => { + #[test] + fn $name() { + // Make sure we can parse the file! + syn::parse_file(stringify!($($in)*)).unwrap(); + } + } +} + +should_parse!(generic_associated_type, { + impl Foo { + type Item = &'a i32; + fn foo<'a>(&'a self) -> Self::Item<'a> {} + } +}); + +#[rustfmt::skip] +should_parse!(const_generics_use, { + type X = Foo<5>; + type Y = Foo<"foo">; + type Z = Foo<X>; + type W = Foo<{ X + 10 }>; +}); + +should_parse!(trailing_plus_type, { + type A = Box<Foo>; + type A = Box<Foo + 'a>; + type A = Box<'a + Foo>; +}); + +should_parse!(generic_associated_type_where, { + trait Foo { + type Item; + fn foo<T>(&self, t: T) -> Self::Item<T>; + } +}); + +should_parse!(match_with_block_expr, { + fn main() { + match false { + _ => {}.a(), + } + } +}); diff --git a/third_party/rust/syn/tests/test_size.rs b/third_party/rust/syn/tests/test_size.rs new file mode 100644 index 0000000000..32c6edaed6 --- /dev/null +++ b/third_party/rust/syn/tests/test_size.rs @@ -0,0 +1,29 @@ +#![cfg(target_pointer_width = "64")] + +use std::mem; +use syn::{Expr, Item, Lit, Pat, Type}; + +#[test] +fn test_expr_size() { + assert_eq!(mem::size_of::<Expr>(), 272); +} + +#[test] +fn test_item_size() { + assert_eq!(mem::size_of::<Item>(), 320); +} + +#[test] +fn test_type_size() { + assert_eq!(mem::size_of::<Type>(), 288); +} + +#[test] +fn test_pat_size() { + assert_eq!(mem::size_of::<Pat>(), 144); +} + +#[test] +fn test_lit_size() { + assert_eq!(mem::size_of::<Lit>(), 32); +} diff --git a/third_party/rust/syn/tests/test_stmt.rs b/third_party/rust/syn/tests/test_stmt.rs new file mode 100644 index 0000000000..f444e5b49e --- /dev/null +++ b/third_party/rust/syn/tests/test_stmt.rs @@ -0,0 +1,93 @@ +#![allow(clippy::assertions_on_result_states, clippy::non_ascii_literal)] + +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Ident, Span, TokenStream, TokenTree}; +use quote::quote; +use std::iter::FromIterator; +use syn::Stmt; + +#[test] +fn test_raw_operator() { + let stmt = syn::parse_str::<Stmt>("let _ = &raw const x;").unwrap(); + + snapshot!(stmt, @r###" + Local(Local { + pat: Pat::Wild, + init: Some(Verbatim(`& raw const x`)), + }) + "###); +} + +#[test] +fn test_raw_variable() { + let stmt = syn::parse_str::<Stmt>("let _ = &raw;").unwrap(); + + snapshot!(stmt, @r###" + Local(Local { + pat: Pat::Wild, + init: Some(Expr::Reference { + expr: Expr::Path { + path: Path { + segments: [ + PathSegment { + ident: "raw", + arguments: None, + }, + ], + }, + }, + }), + }) + "###); +} + +#[test] +fn test_raw_invalid() { + assert!(syn::parse_str::<Stmt>("let _ = &raw x;").is_err()); +} + +#[test] +fn test_none_group() { + // <Ø async fn f() {} Ø> + let tokens = TokenStream::from_iter(vec![TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::from_iter(vec![ + TokenTree::Ident(Ident::new("async", Span::call_site())), + TokenTree::Ident(Ident::new("fn", Span::call_site())), + TokenTree::Ident(Ident::new("f", Span::call_site())), + TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())), + TokenTree::Group(Group::new(Delimiter::Brace, TokenStream::new())), + ]), + ))]); + + snapshot!(tokens as Stmt, @r###" + Item(Item::Fn { + vis: Inherited, + sig: Signature { + asyncness: Some, + ident: "f", + generics: Generics, + output: Default, + }, + block: Block, + }) + "###); +} + +#[test] +fn test_let_dot_dot() { + let tokens = quote! { + let .. = 10; + }; + + snapshot!(tokens as Stmt, @r###" + Local(Local { + pat: Pat::Rest, + init: Some(Expr::Lit { + lit: 10, + }), + }) + "###); +} diff --git a/third_party/rust/syn/tests/test_token_trees.rs b/third_party/rust/syn/tests/test_token_trees.rs new file mode 100644 index 0000000000..5b00448af8 --- /dev/null +++ b/third_party/rust/syn/tests/test_token_trees.rs @@ -0,0 +1,30 @@ +#[macro_use] +mod macros; + +use proc_macro2::TokenStream; +use quote::quote; +use syn::Lit; + +#[test] +fn test_struct() { + let input = " + #[derive(Debug, Clone)] + pub struct Item { + pub ident: Ident, + pub attrs: Vec<Attribute>, + } + "; + + snapshot!(input as TokenStream, @r###" + TokenStream( + `# [derive (Debug , Clone)] pub struct Item { pub ident : Ident , pub attrs : Vec < Attribute >, }`, + ) + "###); +} + +#[test] +fn test_literal_mangling() { + let code = "0_4"; + let parsed: Lit = syn::parse_str(code).unwrap(); + assert_eq!(code, quote!(#parsed).to_string()); +} diff --git a/third_party/rust/syn/tests/test_ty.rs b/third_party/rust/syn/tests/test_ty.rs new file mode 100644 index 0000000000..335cafa2ac --- /dev/null +++ b/third_party/rust/syn/tests/test_ty.rs @@ -0,0 +1,352 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree}; +use quote::quote; +use std::iter::FromIterator; +use syn::Type; + +#[test] +fn test_mut_self() { + syn::parse_str::<Type>("fn(mut self)").unwrap(); + syn::parse_str::<Type>("fn(mut self,)").unwrap(); + syn::parse_str::<Type>("fn(mut self: ())").unwrap(); + syn::parse_str::<Type>("fn(mut self: ...)").unwrap_err(); + syn::parse_str::<Type>("fn(mut self: mut self)").unwrap_err(); + syn::parse_str::<Type>("fn(mut self::T)").unwrap_err(); +} + +#[test] +fn test_macro_variable_type() { + // mimics the token stream corresponding to `$ty<T>` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { ty })), + TokenTree::Punct(Punct::new('<', Spacing::Alone)), + TokenTree::Ident(Ident::new("T", Span::call_site())), + TokenTree::Punct(Punct::new('>', Spacing::Alone)), + ]); + + snapshot!(tokens as Type, @r###" + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "ty", + arguments: PathArguments::AngleBracketed { + args: [ + Type(Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }), + ], + }, + }, + ], + }, + } + "###); + + // mimics the token stream corresponding to `$ty::<T>` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { ty })), + TokenTree::Punct(Punct::new(':', Spacing::Joint)), + TokenTree::Punct(Punct::new(':', Spacing::Alone)), + TokenTree::Punct(Punct::new('<', Spacing::Alone)), + TokenTree::Ident(Ident::new("T", Span::call_site())), + TokenTree::Punct(Punct::new('>', Spacing::Alone)), + ]); + + snapshot!(tokens as Type, @r###" + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "ty", + arguments: PathArguments::AngleBracketed { + colon2_token: Some, + args: [ + Type(Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }), + ], + }, + }, + ], + }, + } + "###); +} + +#[test] +fn test_group_angle_brackets() { + // mimics the token stream corresponding to `Option<$ty>` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Ident(Ident::new("Option", Span::call_site())), + TokenTree::Punct(Punct::new('<', Spacing::Alone)), + TokenTree::Group(Group::new(Delimiter::None, quote! { Vec<u8> })), + TokenTree::Punct(Punct::new('>', Spacing::Alone)), + ]); + + snapshot!(tokens as Type, @r###" + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Option", + arguments: PathArguments::AngleBracketed { + args: [ + Type(Type::Group { + elem: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Vec", + arguments: PathArguments::AngleBracketed { + args: [ + Type(Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "u8", + arguments: None, + }, + ], + }, + }), + ], + }, + }, + ], + }, + }, + }), + ], + }, + }, + ], + }, + } + "###); +} + +#[test] +fn test_group_colons() { + // mimics the token stream corresponding to `$ty::Item` + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { Vec<u8> })), + TokenTree::Punct(Punct::new(':', Spacing::Joint)), + TokenTree::Punct(Punct::new(':', Spacing::Alone)), + TokenTree::Ident(Ident::new("Item", Span::call_site())), + ]); + + snapshot!(tokens as Type, @r###" + Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "Vec", + arguments: PathArguments::AngleBracketed { + args: [ + Type(Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "u8", + arguments: None, + }, + ], + }, + }), + ], + }, + }, + PathSegment { + ident: "Item", + arguments: None, + }, + ], + }, + } + "###); + + let tokens = TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, quote! { [T] })), + TokenTree::Punct(Punct::new(':', Spacing::Joint)), + TokenTree::Punct(Punct::new(':', Spacing::Alone)), + TokenTree::Ident(Ident::new("Element", Span::call_site())), + ]); + + snapshot!(tokens as Type, @r###" + Type::Path { + qself: Some(QSelf { + ty: Type::Slice { + elem: Type::Path { + path: Path { + segments: [ + PathSegment { + ident: "T", + arguments: None, + }, + ], + }, + }, + }, + position: 0, + }), + path: Path { + leading_colon: Some, + segments: [ + PathSegment { + ident: "Element", + arguments: None, + }, + ], + }, + } + "###); +} + +#[test] +fn test_trait_object() { + let tokens = quote!(dyn for<'a> Trait<'a> + 'static); + snapshot!(tokens as Type, @r###" + Type::TraitObject { + dyn_token: Some, + bounds: [ + Trait(TraitBound { + modifier: None, + lifetimes: Some(BoundLifetimes { + lifetimes: [ + LifetimeDef { + lifetime: Lifetime { + ident: "a", + }, + }, + ], + }), + path: Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: PathArguments::AngleBracketed { + args: [ + Lifetime(Lifetime { + ident: "a", + }), + ], + }, + }, + ], + }, + }), + Lifetime(Lifetime { + ident: "static", + }), + ], + } + "###); + + let tokens = quote!(dyn 'a + Trait); + snapshot!(tokens as Type, @r###" + Type::TraitObject { + dyn_token: Some, + bounds: [ + Lifetime(Lifetime { + ident: "a", + }), + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: None, + }, + ], + }, + }), + ], + } + "###); + + // None of the following are valid Rust types. + syn::parse_str::<Type>("for<'a> dyn Trait<'a>").unwrap_err(); + syn::parse_str::<Type>("dyn for<'a> 'a + Trait").unwrap_err(); +} + +#[test] +fn test_trailing_plus() { + #[rustfmt::skip] + let tokens = quote!(impl Trait +); + snapshot!(tokens as Type, @r###" + Type::ImplTrait { + bounds: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: None, + }, + ], + }, + }), + ], + } + "###); + + #[rustfmt::skip] + let tokens = quote!(dyn Trait +); + snapshot!(tokens as Type, @r###" + Type::TraitObject { + dyn_token: Some, + bounds: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: None, + }, + ], + }, + }), + ], + } + "###); + + #[rustfmt::skip] + let tokens = quote!(Trait +); + snapshot!(tokens as Type, @r###" + Type::TraitObject { + bounds: [ + Trait(TraitBound { + modifier: None, + path: Path { + segments: [ + PathSegment { + ident: "Trait", + arguments: None, + }, + ], + }, + }), + ], + } + "###); +} diff --git a/third_party/rust/syn/tests/test_visibility.rs b/third_party/rust/syn/tests/test_visibility.rs new file mode 100644 index 0000000000..7b2c00ba34 --- /dev/null +++ b/third_party/rust/syn/tests/test_visibility.rs @@ -0,0 +1,148 @@ +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree}; +use std::iter::FromIterator; +use syn::parse::{Parse, ParseStream}; +use syn::{DeriveInput, Result, Visibility}; + +#[derive(Debug)] +struct VisRest { + vis: Visibility, + rest: TokenStream, +} + +impl Parse for VisRest { + fn parse(input: ParseStream) -> Result<Self> { + Ok(VisRest { + vis: input.parse()?, + rest: input.parse()?, + }) + } +} + +macro_rules! assert_vis_parse { + ($input:expr, Ok($p:pat)) => { + assert_vis_parse!($input, Ok($p) + ""); + }; + + ($input:expr, Ok($p:pat) + $rest:expr) => { + let expected = $rest.parse::<TokenStream>().unwrap(); + let parse: VisRest = syn::parse_str($input).unwrap(); + + match parse.vis { + $p => {} + _ => panic!("Expected {}, got {:?}", stringify!($p), parse.vis), + } + + // NOTE: Round-trips through `to_string` to avoid potential whitespace + // diffs. + assert_eq!(parse.rest.to_string(), expected.to_string()); + }; + + ($input:expr, Err) => { + syn::parse2::<VisRest>($input.parse().unwrap()).unwrap_err(); + }; +} + +#[test] +fn test_pub() { + assert_vis_parse!("pub", Ok(Visibility::Public(_))); +} + +#[test] +fn test_crate() { + assert_vis_parse!("crate", Ok(Visibility::Crate(_))); +} + +#[test] +fn test_inherited() { + assert_vis_parse!("", Ok(Visibility::Inherited)); +} + +#[test] +fn test_in() { + assert_vis_parse!("pub(in foo::bar)", Ok(Visibility::Restricted(_))); +} + +#[test] +fn test_pub_crate() { + assert_vis_parse!("pub(crate)", Ok(Visibility::Restricted(_))); +} + +#[test] +fn test_pub_self() { + assert_vis_parse!("pub(self)", Ok(Visibility::Restricted(_))); +} + +#[test] +fn test_pub_super() { + assert_vis_parse!("pub(super)", Ok(Visibility::Restricted(_))); +} + +#[test] +fn test_missing_in() { + assert_vis_parse!("pub(foo::bar)", Ok(Visibility::Public(_)) + "(foo::bar)"); +} + +#[test] +fn test_missing_in_path() { + assert_vis_parse!("pub(in)", Err); +} + +#[test] +fn test_crate_path() { + assert_vis_parse!( + "pub(crate::A, crate::B)", + Ok(Visibility::Public(_)) + "(crate::A, crate::B)" + ); +} + +#[test] +fn test_junk_after_in() { + assert_vis_parse!("pub(in some::path @@garbage)", Err); +} + +#[test] +fn test_empty_group_vis() { + // mimics `struct S { $vis $field: () }` where $vis is empty + let tokens = TokenStream::from_iter(vec![ + TokenTree::Ident(Ident::new("struct", Span::call_site())), + TokenTree::Ident(Ident::new("S", Span::call_site())), + TokenTree::Group(Group::new( + Delimiter::Brace, + TokenStream::from_iter(vec![ + TokenTree::Group(Group::new(Delimiter::None, TokenStream::new())), + TokenTree::Group(Group::new( + Delimiter::None, + TokenStream::from_iter(vec![TokenTree::Ident(Ident::new( + "f", + Span::call_site(), + ))]), + )), + TokenTree::Punct(Punct::new(':', Spacing::Alone)), + TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())), + ]), + )), + ]); + + snapshot!(tokens as DeriveInput, @r###" + DeriveInput { + vis: Inherited, + ident: "S", + generics: Generics, + data: Data::Struct { + fields: Fields::Named { + named: [ + Field { + vis: Inherited, + ident: Some("f"), + colon_token: Some, + ty: Type::Tuple, + }, + ], + }, + }, + } + "###); +} diff --git a/third_party/rust/syn/tests/zzz_stable.rs b/third_party/rust/syn/tests/zzz_stable.rs new file mode 100644 index 0000000000..a1a670d9ed --- /dev/null +++ b/third_party/rust/syn/tests/zzz_stable.rs @@ -0,0 +1,33 @@ +#![cfg(syn_disable_nightly_tests)] + +use std::io::{self, Write}; +use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor}; + +const MSG: &str = "\ +‖ +‖ WARNING: +‖ This is not a nightly compiler so not all tests were able to +‖ run. Syn includes tests that compare Syn's parser against the +‖ compiler's parser, which requires access to unstable librustc +‖ data structures and a nightly compiler. +‖ +"; + +#[test] +fn notice() -> io::Result<()> { + let header = "WARNING"; + let index_of_header = MSG.find(header).unwrap(); + let before = &MSG[..index_of_header]; + let after = &MSG[index_of_header + header.len()..]; + + let mut stderr = StandardStream::stderr(ColorChoice::Auto); + stderr.set_color(ColorSpec::new().set_fg(Some(Color::Yellow)))?; + write!(&mut stderr, "{}", before)?; + stderr.set_color(ColorSpec::new().set_bold(true).set_fg(Some(Color::Yellow)))?; + write!(&mut stderr, "{}", header)?; + stderr.set_color(ColorSpec::new().set_fg(Some(Color::Yellow)))?; + write!(&mut stderr, "{}", after)?; + stderr.reset()?; + + Ok(()) +} |