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-rw-r--r--compiler/rustc_mir_build/src/thir/cx/expr.rs47
-rw-r--r--compiler/rustc_mir_build/src/thir/cx/mod.rs41
-rw-r--r--compiler/rustc_mir_build/src/thir/mod.rs4
-rw-r--r--compiler/rustc_mir_build/src/thir/pattern/check_match.rs83
-rw-r--r--compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs2
-rw-r--r--compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs16
-rw-r--r--compiler/rustc_mir_build/src/thir/pattern/mod.rs8
-rw-r--r--compiler/rustc_mir_build/src/thir/print.rs892
8 files changed, 1009 insertions, 84 deletions
diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs
index 261b95ba9..9086412c0 100644
--- a/compiler/rustc_mir_build/src/thir/cx/expr.rs
+++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs
@@ -1,3 +1,4 @@
+use crate::errors;
use crate::thir::cx::region::Scope;
use crate::thir::cx::Cx;
use crate::thir::util::UserAnnotatedTyHelpers;
@@ -18,7 +19,7 @@ use rustc_middle::ty::subst::InternalSubsts;
use rustc_middle::ty::{
self, AdtKind, InlineConstSubsts, InlineConstSubstsParts, ScalarInt, Ty, UpvarSubsts, UserType,
};
-use rustc_span::Span;
+use rustc_span::{sym, Span};
use rustc_target::abi::VariantIdx;
impl<'tcx> Cx<'tcx> {
@@ -33,8 +34,6 @@ impl<'tcx> Cx<'tcx> {
#[instrument(level = "trace", skip(self, hir_expr))]
pub(super) fn mirror_expr_inner(&mut self, hir_expr: &'tcx hir::Expr<'tcx>) -> ExprId {
- let temp_lifetime =
- self.rvalue_scopes.temporary_scope(self.region_scope_tree, hir_expr.hir_id.local_id);
let expr_scope =
region::Scope { id: hir_expr.hir_id.local_id, data: region::ScopeData::Node };
@@ -67,7 +66,7 @@ impl<'tcx> Cx<'tcx> {
// Next, wrap this up in the expr's scope.
expr = Expr {
- temp_lifetime,
+ temp_lifetime: expr.temp_lifetime,
ty: expr.ty,
span: hir_expr.span,
kind: ExprKind::Scope {
@@ -82,7 +81,7 @@ impl<'tcx> Cx<'tcx> {
self.region_scope_tree.opt_destruction_scope(hir_expr.hir_id.local_id)
{
expr = Expr {
- temp_lifetime,
+ temp_lifetime: expr.temp_lifetime,
ty: expr.ty,
span: hir_expr.span,
kind: ExprKind::Scope {
@@ -262,6 +261,7 @@ impl<'tcx> Cx<'tcx> {
}
}
+ #[instrument(level = "debug", skip(self), ret)]
fn make_mirror_unadjusted(&mut self, expr: &'tcx hir::Expr<'tcx>) -> Expr<'tcx> {
let tcx = self.tcx;
let expr_ty = self.typeck_results().expr_ty(expr);
@@ -307,7 +307,7 @@ impl<'tcx> Cx<'tcx> {
let arg_tys = args.iter().map(|e| self.typeck_results().expr_ty_adjusted(e));
let tupled_args = Expr {
- ty: tcx.mk_tup(arg_tys),
+ ty: tcx.mk_tup_from_iter(arg_tys),
temp_lifetime,
span: expr.span,
kind: ExprKind::Tuple { fields: self.mirror_exprs(args) },
@@ -322,6 +322,34 @@ impl<'tcx> Cx<'tcx> {
fn_span: expr.span,
}
} else {
+ let attrs = tcx.hir().attrs(expr.hir_id);
+ if attrs.iter().any(|a| a.name_or_empty() == sym::rustc_box) {
+ if attrs.len() != 1 {
+ tcx.sess.emit_err(errors::RustcBoxAttributeError {
+ span: attrs[0].span,
+ reason: errors::RustcBoxAttrReason::Attributes,
+ });
+ } else if let Some(box_item) = tcx.lang_items().owned_box() {
+ if let hir::ExprKind::Path(hir::QPath::TypeRelative(ty, fn_path)) = fun.kind
+ && let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = ty.kind
+ && path.res.opt_def_id().map_or(false, |did| did == box_item)
+ && fn_path.ident.name == sym::new
+ && let [value] = args
+ {
+ return Expr { temp_lifetime, ty: expr_ty, span: expr.span, kind: ExprKind::Box { value: self.mirror_expr(value) } }
+ } else {
+ tcx.sess.emit_err(errors::RustcBoxAttributeError {
+ span: expr.span,
+ reason: errors::RustcBoxAttrReason::NotBoxNew
+ });
+ }
+ } else {
+ tcx.sess.emit_err(errors::RustcBoxAttributeError {
+ span: attrs[0].span,
+ reason: errors::RustcBoxAttrReason::MissingBox,
+ });
+ }
+ }
let adt_data =
if let hir::ExprKind::Path(hir::QPath::Resolved(_, ref path)) = fun.kind {
// Tuple-like ADTs are represented as ExprKind::Call. We convert them here.
@@ -541,8 +569,9 @@ impl<'tcx> Cx<'tcx> {
let def_id = def_id.expect_local();
let upvars = self
- .typeck_results
- .closure_min_captures_flattened(def_id)
+ .tcx
+ .closure_captures(def_id)
+ .iter()
.zip(substs.upvar_tys())
.map(|(captured_place, ty)| {
let upvars = self.capture_upvar(expr, captured_place, ty);
@@ -758,7 +787,7 @@ impl<'tcx> Cx<'tcx> {
hir::ExprKind::Tup(ref fields) => ExprKind::Tuple { fields: self.mirror_exprs(fields) },
hir::ExprKind::Yield(ref v, _) => ExprKind::Yield { value: self.mirror_expr(v) },
- hir::ExprKind::Err => unreachable!(),
+ hir::ExprKind::Err(_) => unreachable!(),
};
Expr { temp_lifetime, ty: expr_ty, span: expr.span, kind }
diff --git a/compiler/rustc_mir_build/src/thir/cx/mod.rs b/compiler/rustc_mir_build/src/thir/cx/mod.rs
index a355e1bda..070544446 100644
--- a/compiler/rustc_mir_build/src/thir/cx/mod.rs
+++ b/compiler/rustc_mir_build/src/thir/cx/mod.rs
@@ -52,13 +52,6 @@ pub(crate) fn thir_body(
Ok((tcx.alloc_steal_thir(cx.thir), expr))
}
-pub(crate) fn thir_tree(tcx: TyCtxt<'_>, owner_def: ty::WithOptConstParam<LocalDefId>) -> String {
- match thir_body(tcx, owner_def) {
- Ok((thir, _)) => format!("{:#?}", thir.steal()),
- Err(_) => "error".into(),
- }
-}
-
struct Cx<'tcx> {
tcx: TyCtxt<'tcx>,
thir: Thir<'tcx>,
@@ -89,9 +82,30 @@ impl<'tcx> Cx<'tcx> {
let typeck_results = tcx.typeck_opt_const_arg(def);
let did = def.did;
let hir = tcx.hir();
+ let hir_id = hir.local_def_id_to_hir_id(did);
+
+ let body_type = if hir.body_owner_kind(did).is_fn_or_closure() {
+ // fetch the fully liberated fn signature (that is, all bound
+ // types/lifetimes replaced)
+ BodyTy::Fn(typeck_results.liberated_fn_sigs()[hir_id])
+ } else {
+ // Get the revealed type of this const. This is *not* the adjusted
+ // type of its body, which may be a subtype of this type. For
+ // example:
+ //
+ // fn foo(_: &()) {}
+ // static X: fn(&'static ()) = foo;
+ //
+ // The adjusted type of the body of X is `for<'a> fn(&'a ())` which
+ // is not the same as the type of X. We need the type of the return
+ // place to be the type of the constant because NLL typeck will
+ // equate them.
+ BodyTy::Const(typeck_results.node_type(hir_id))
+ };
+
Cx {
tcx,
- thir: Thir::new(),
+ thir: Thir::new(body_type),
param_env: tcx.param_env(def.did),
region_scope_tree: tcx.region_scope_tree(def.did),
typeck_results,
@@ -99,7 +113,7 @@ impl<'tcx> Cx<'tcx> {
body_owner: did.to_def_id(),
adjustment_span: None,
apply_adjustments: hir
- .attrs(hir.local_def_id_to_hir_id(did))
+ .attrs(hir_id)
.iter()
.all(|attr| attr.name_or_empty() != rustc_span::sym::custom_mir),
}
@@ -123,14 +137,13 @@ impl<'tcx> Cx<'tcx> {
bug!("closure expr does not have closure type: {:?}", closure_ty);
};
- let bound_vars = self.tcx.mk_bound_variable_kinds(std::iter::once(
- ty::BoundVariableKind::Region(ty::BrEnv),
- ));
+ let bound_vars =
+ self.tcx.mk_bound_variable_kinds(&[ty::BoundVariableKind::Region(ty::BrEnv)]);
let br = ty::BoundRegion {
var: ty::BoundVar::from_usize(bound_vars.len() - 1),
kind: ty::BrEnv,
};
- let env_region = ty::ReLateBound(ty::INNERMOST, br);
+ let env_region = self.tcx.mk_re_late_bound(ty::INNERMOST, br);
let closure_env_ty =
self.tcx.closure_env_ty(closure_def_id, closure_substs, env_region).unwrap();
let liberated_closure_env_ty = self.tcx.erase_late_bound_regions(
@@ -183,7 +196,7 @@ impl<'tcx> Cx<'tcx> {
let va_list_did = self.tcx.require_lang_item(LangItem::VaList, Some(param.span));
self.tcx
- .bound_type_of(va_list_did)
+ .type_of(va_list_did)
.subst(self.tcx, &[self.tcx.lifetimes.re_erased.into()])
} else {
fn_sig.inputs()[index]
diff --git a/compiler/rustc_mir_build/src/thir/mod.rs b/compiler/rustc_mir_build/src/thir/mod.rs
index e0e6ac266..ca26cc13b 100644
--- a/compiler/rustc_mir_build/src/thir/mod.rs
+++ b/compiler/rustc_mir_build/src/thir/mod.rs
@@ -5,9 +5,7 @@
//! structures.
pub(crate) mod constant;
-
pub(crate) mod cx;
-
pub(crate) mod pattern;
-
+pub(crate) mod print;
mod util;
diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
index 34e637f59..2640ca56b 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
@@ -208,9 +208,9 @@ impl<'p, 'tcx> MatchVisitor<'_, 'p, 'tcx> {
// Don't report arm reachability of desugared `match $iter.into_iter() { iter => .. }`
// when the iterator is an uninhabited type. unreachable_code will trigger instead.
hir::MatchSource::ForLoopDesugar if arms.len() == 1 => {}
- hir::MatchSource::ForLoopDesugar | hir::MatchSource::Normal => {
- report_arm_reachability(&cx, &report)
- }
+ hir::MatchSource::ForLoopDesugar
+ | hir::MatchSource::Normal
+ | hir::MatchSource::FormatArgs => report_arm_reachability(&cx, &report),
// Unreachable patterns in try and await expressions occur when one of
// the arms are an uninhabited type. Which is OK.
hir::MatchSource::AwaitDesugar | hir::MatchSource::TryDesugar => {}
@@ -926,58 +926,55 @@ fn check_borrow_conflicts_in_at_patterns(cx: &MatchVisitor<'_, '_, '_>, pat: &Pa
sub.each_binding(|_, hir_id, span, name| {
match typeck_results.extract_binding_mode(sess, hir_id, span) {
Some(ty::BindByReference(mut_inner)) => match (mut_outer, mut_inner) {
- (Mutability::Not, Mutability::Not) => {} // Both sides are `ref`.
- (Mutability::Mut, Mutability::Mut) => conflicts_mut_mut.push((span, name)), // 2x `ref mut`.
- _ => conflicts_mut_ref.push((span, name)), // `ref` + `ref mut` in either direction.
+ // Both sides are `ref`.
+ (Mutability::Not, Mutability::Not) => {}
+ // 2x `ref mut`.
+ (Mutability::Mut, Mutability::Mut) => {
+ conflicts_mut_mut.push(Conflict::Mut { span, name })
+ }
+ (Mutability::Not, Mutability::Mut) => {
+ conflicts_mut_ref.push(Conflict::Mut { span, name })
+ }
+ (Mutability::Mut, Mutability::Not) => {
+ conflicts_mut_ref.push(Conflict::Ref { span, name })
+ }
},
Some(ty::BindByValue(_)) if is_binding_by_move(cx, hir_id) => {
- conflicts_move.push((span, name)) // `ref mut?` + by-move conflict.
+ conflicts_move.push(Conflict::Moved { span, name }) // `ref mut?` + by-move conflict.
}
Some(ty::BindByValue(_)) | None => {} // `ref mut?` + by-copy is fine.
}
});
+ let report_mut_mut = !conflicts_mut_mut.is_empty();
+ let report_mut_ref = !conflicts_mut_ref.is_empty();
+ let report_move_conflict = !conflicts_move.is_empty();
+
+ let mut occurences = match mut_outer {
+ Mutability::Mut => vec![Conflict::Mut { span: binding_span, name }],
+ Mutability::Not => vec![Conflict::Ref { span: binding_span, name }],
+ };
+ occurences.extend(conflicts_mut_mut);
+ occurences.extend(conflicts_mut_ref);
+ occurences.extend(conflicts_move);
+
// Report errors if any.
- if !conflicts_mut_mut.is_empty() {
+ if report_mut_mut {
// Report mutability conflicts for e.g. `ref mut x @ Some(ref mut y)`.
- let mut occurences = vec![];
-
- for (span, name_mut) in conflicts_mut_mut {
- occurences.push(MultipleMutBorrowOccurence::Mutable { span, name_mut });
- }
- for (span, name_immut) in conflicts_mut_ref {
- occurences.push(MultipleMutBorrowOccurence::Immutable { span, name_immut });
- }
- for (span, name_moved) in conflicts_move {
- occurences.push(MultipleMutBorrowOccurence::Moved { span, name_moved });
- }
- sess.emit_err(MultipleMutBorrows { span: pat.span, binding_span, occurences, name });
- } else if !conflicts_mut_ref.is_empty() {
+ sess.emit_err(MultipleMutBorrows { span: pat.span, occurences });
+ } else if report_mut_ref {
// Report mutability conflicts for e.g. `ref x @ Some(ref mut y)` or the converse.
- let (primary, also) = match mut_outer {
- Mutability::Mut => ("mutable", "immutable"),
- Mutability::Not => ("immutable", "mutable"),
+ match mut_outer {
+ Mutability::Mut => {
+ sess.emit_err(AlreadyMutBorrowed { span: pat.span, occurences });
+ }
+ Mutability::Not => {
+ sess.emit_err(AlreadyBorrowed { span: pat.span, occurences });
+ }
};
- let msg =
- format!("cannot borrow value as {} because it is also borrowed as {}", also, primary);
- let mut err = sess.struct_span_err(pat.span, &msg);
- err.span_label(binding_span, format!("{} borrow, by `{}`, occurs here", primary, name));
- for (span, name) in conflicts_mut_ref {
- err.span_label(span, format!("{} borrow, by `{}`, occurs here", also, name));
- }
- for (span, name) in conflicts_move {
- err.span_label(span, format!("also moved into `{}` here", name));
- }
- err.emit();
- } else if !conflicts_move.is_empty() {
+ } else if report_move_conflict {
// Report by-ref and by-move conflicts, e.g. `ref x @ y`.
- let mut err =
- sess.struct_span_err(pat.span, "cannot move out of value because it is borrowed");
- err.span_label(binding_span, format!("value borrowed, by `{}`, here", name));
- for (span, name) in conflicts_move {
- err.span_label(span, format!("value moved into `{}` here", name));
- }
- err.emit();
+ sess.emit_err(MovedWhileBorrowed { span: pat.span, occurences });
}
}
diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
index 7f3519945..ff88d0013 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
@@ -192,7 +192,7 @@ impl<'tcx> ConstToPat<'tcx> {
let obligation: PredicateObligation<'_> = predicate_for_trait_def(
self.tcx(),
self.param_env,
- ObligationCause::misc(self.span, self.id),
+ ObligationCause::misc(self.span, self.id.owner.def_id),
partial_eq_trait_id,
0,
[ty, ty],
diff --git a/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
index aba5429da..e5b7d685c 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
@@ -172,7 +172,7 @@ impl IntRange {
ty: Ty<'tcx>,
end: &RangeEnd,
) -> Option<IntRange> {
- if Self::is_integral(ty) {
+ Self::is_integral(ty).then(|| {
// Perform a shift if the underlying types are signed,
// which makes the interval arithmetic simpler.
let bias = IntRange::signed_bias(tcx, ty);
@@ -182,10 +182,8 @@ impl IntRange {
// This should have been caught earlier by E0030.
bug!("malformed range pattern: {}..={}", lo, (hi - offset));
}
- Some(IntRange { range: lo..=(hi - offset), bias })
- } else {
- None
- }
+ IntRange { range: lo..=(hi - offset), bias }
+ })
}
// The return value of `signed_bias` should be XORed with an endpoint to encode/decode it.
@@ -922,8 +920,8 @@ impl<'tcx> SplitWildcard<'tcx> {
// `cx.is_uninhabited()`).
let all_ctors = match pcx.ty.kind() {
ty::Bool => smallvec![make_range(0, 1)],
- ty::Array(sub_ty, len) if len.try_eval_usize(cx.tcx, cx.param_env).is_some() => {
- let len = len.eval_usize(cx.tcx, cx.param_env) as usize;
+ ty::Array(sub_ty, len) if len.try_eval_target_usize(cx.tcx, cx.param_env).is_some() => {
+ let len = len.eval_target_usize(cx.tcx, cx.param_env) as usize;
if len != 0 && cx.is_uninhabited(*sub_ty) {
smallvec![]
} else {
@@ -1406,7 +1404,9 @@ impl<'p, 'tcx> DeconstructedPat<'p, 'tcx> {
}
PatKind::Array { prefix, slice, suffix } | PatKind::Slice { prefix, slice, suffix } => {
let array_len = match pat.ty.kind() {
- ty::Array(_, length) => Some(length.eval_usize(cx.tcx, cx.param_env) as usize),
+ ty::Array(_, length) => {
+ Some(length.eval_target_usize(cx.tcx, cx.param_env) as usize)
+ }
ty::Slice(_) => None,
_ => span_bug!(pat.span, "bad ty {:?} for slice pattern", pat.ty),
};
diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs
index 3a6ef87c9..41306dd80 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs
@@ -203,11 +203,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
if !lower_overflow && !higher_overflow {
self.tcx.sess.emit_err(LowerRangeBoundMustBeLessThanOrEqualToUpper {
span,
- teach: if self.tcx.sess.teach(&error_code!(E0030)) {
- Some(())
- } else {
- None
- },
+ teach: self.tcx.sess.teach(&error_code!(E0030)).then_some(()),
});
}
PatKind::Wild
@@ -416,7 +412,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
ty::Slice(..) => PatKind::Slice { prefix, slice, suffix },
// Fixed-length array, `[T; len]`.
ty::Array(_, len) => {
- let len = len.eval_usize(self.tcx, self.param_env);
+ let len = len.eval_target_usize(self.tcx, self.param_env);
assert!(len >= prefix.len() as u64 + suffix.len() as u64);
PatKind::Array { prefix, slice, suffix }
}
diff --git a/compiler/rustc_mir_build/src/thir/print.rs b/compiler/rustc_mir_build/src/thir/print.rs
new file mode 100644
index 000000000..8028227aa
--- /dev/null
+++ b/compiler/rustc_mir_build/src/thir/print.rs
@@ -0,0 +1,892 @@
+use rustc_middle::thir::*;
+use rustc_middle::ty::{self, TyCtxt};
+use rustc_span::def_id::LocalDefId;
+use std::fmt::{self, Write};
+
+pub(crate) fn thir_tree(tcx: TyCtxt<'_>, owner_def: ty::WithOptConstParam<LocalDefId>) -> String {
+ match super::cx::thir_body(tcx, owner_def) {
+ Ok((thir, _)) => {
+ let thir = thir.steal();
+ let mut printer = ThirPrinter::new(&thir);
+ printer.print();
+ printer.into_buffer()
+ }
+ Err(_) => "error".into(),
+ }
+}
+
+pub(crate) fn thir_flat(tcx: TyCtxt<'_>, owner_def: ty::WithOptConstParam<LocalDefId>) -> String {
+ match super::cx::thir_body(tcx, owner_def) {
+ Ok((thir, _)) => format!("{:#?}", thir.steal()),
+ Err(_) => "error".into(),
+ }
+}
+
+struct ThirPrinter<'a, 'tcx> {
+ thir: &'a Thir<'tcx>,
+ fmt: String,
+}
+
+const INDENT: &str = " ";
+
+macro_rules! print_indented {
+ ($writer:ident, $s:expr, $indent_lvl:expr) => {
+ let indent = (0..$indent_lvl).map(|_| INDENT).collect::<Vec<_>>().concat();
+ writeln!($writer, "{}{}", indent, $s).expect("unable to write to ThirPrinter");
+ };
+}
+
+impl<'a, 'tcx> Write for ThirPrinter<'a, 'tcx> {
+ fn write_str(&mut self, s: &str) -> fmt::Result {
+ self.fmt.push_str(s);
+ Ok(())
+ }
+}
+
+impl<'a, 'tcx> ThirPrinter<'a, 'tcx> {
+ fn new(thir: &'a Thir<'tcx>) -> Self {
+ Self { thir, fmt: String::new() }
+ }
+
+ fn print(&mut self) {
+ print_indented!(self, "params: [", 0);
+ for param in self.thir.params.iter() {
+ self.print_param(param, 1);
+ }
+ print_indented!(self, "]", 0);
+
+ print_indented!(self, "body:", 0);
+ let expr = ExprId::from_usize(self.thir.exprs.len() - 1);
+ self.print_expr(expr, 1);
+ }
+
+ fn into_buffer(self) -> String {
+ self.fmt
+ }
+
+ fn print_param(&mut self, param: &Param<'tcx>, depth_lvl: usize) {
+ let Param { pat, ty, ty_span, self_kind, hir_id } = param;
+
+ print_indented!(self, "Param {", depth_lvl);
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
+ print_indented!(self, format!("ty_span: {:?}", ty_span), depth_lvl + 1);
+ print_indented!(self, format!("self_kind: {:?}", self_kind), depth_lvl + 1);
+ print_indented!(self, format!("hir_id: {:?}", hir_id), depth_lvl + 1);
+
+ if let Some(pat) = pat {
+ print_indented!(self, "param: Some( ", depth_lvl + 1);
+ self.print_pat(pat, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl + 1);
+ } else {
+ print_indented!(self, "param: None", depth_lvl + 1);
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_block(&mut self, block_id: BlockId, depth_lvl: usize) {
+ let Block {
+ targeted_by_break,
+ opt_destruction_scope,
+ span,
+ region_scope,
+ stmts,
+ expr,
+ safety_mode,
+ } = &self.thir.blocks[block_id];
+
+ print_indented!(self, "Block {", depth_lvl);
+ print_indented!(self, format!("targeted_by_break: {}", targeted_by_break), depth_lvl + 1);
+ print_indented!(
+ self,
+ format!("opt_destruction_scope: {:?}", opt_destruction_scope),
+ depth_lvl + 1
+ );
+ print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
+ print_indented!(self, format!("region_scope: {:?}", region_scope), depth_lvl + 1);
+ print_indented!(self, format!("safety_mode: {:?}", safety_mode), depth_lvl + 1);
+
+ if stmts.len() > 0 {
+ print_indented!(self, "stmts: [", depth_lvl + 1);
+ for stmt in stmts.iter() {
+ self.print_stmt(*stmt, depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ } else {
+ print_indented!(self, "stmts: []", depth_lvl + 1);
+ }
+
+ if let Some(expr_id) = expr {
+ print_indented!(self, "expr:", depth_lvl + 1);
+ self.print_expr(*expr_id, depth_lvl + 2);
+ } else {
+ print_indented!(self, "expr: []", depth_lvl + 1);
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_stmt(&mut self, stmt_id: StmtId, depth_lvl: usize) {
+ let Stmt { kind, opt_destruction_scope } = &self.thir.stmts[stmt_id];
+
+ print_indented!(self, "Stmt {", depth_lvl);
+ print_indented!(
+ self,
+ format!("opt_destruction_scope: {:?}", opt_destruction_scope),
+ depth_lvl + 1
+ );
+
+ match kind {
+ StmtKind::Expr { scope, expr } => {
+ print_indented!(self, "kind: Expr {", depth_lvl + 1);
+ print_indented!(self, format!("scope: {:?}", scope), depth_lvl + 2);
+ print_indented!(self, "expr:", depth_lvl + 2);
+ self.print_expr(*expr, depth_lvl + 3);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ StmtKind::Let {
+ remainder_scope,
+ init_scope,
+ pattern,
+ initializer,
+ else_block,
+ lint_level,
+ } => {
+ print_indented!(self, "kind: Let {", depth_lvl + 1);
+ print_indented!(
+ self,
+ format!("remainder_scope: {:?}", remainder_scope),
+ depth_lvl + 2
+ );
+ print_indented!(self, format!("init_scope: {:?}", init_scope), depth_lvl + 2);
+
+ print_indented!(self, "pattern: ", depth_lvl + 2);
+ self.print_pat(pattern, depth_lvl + 3);
+ print_indented!(self, ",", depth_lvl + 2);
+
+ if let Some(init) = initializer {
+ print_indented!(self, "initializer: Some(", depth_lvl + 2);
+ self.print_expr(*init, depth_lvl + 3);
+ print_indented!(self, ")", depth_lvl + 2);
+ } else {
+ print_indented!(self, "initializer: None", depth_lvl + 2);
+ }
+
+ if let Some(else_block) = else_block {
+ print_indented!(self, "else_block: Some(", depth_lvl + 2);
+ self.print_block(*else_block, depth_lvl + 3);
+ print_indented!(self, ")", depth_lvl + 2);
+ } else {
+ print_indented!(self, "else_block: None", depth_lvl + 2);
+ }
+
+ print_indented!(self, format!("lint_level: {:?}", lint_level), depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_expr(&mut self, expr: ExprId, depth_lvl: usize) {
+ let Expr { ty, temp_lifetime, span, kind } = &self.thir[expr];
+ print_indented!(self, "Expr {", depth_lvl);
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
+ print_indented!(self, format!("temp_lifetime: {:?}", temp_lifetime), depth_lvl + 1);
+ print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
+ print_indented!(self, "kind: ", depth_lvl + 1);
+ self.print_expr_kind(kind, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_expr_kind(&mut self, expr_kind: &ExprKind<'tcx>, depth_lvl: usize) {
+ use rustc_middle::thir::ExprKind::*;
+
+ match expr_kind {
+ Scope { region_scope, value, lint_level } => {
+ print_indented!(self, "Scope {", depth_lvl);
+ print_indented!(self, format!("region_scope: {:?}", region_scope), depth_lvl + 1);
+ print_indented!(self, format!("lint_level: {:?}", lint_level), depth_lvl + 1);
+ print_indented!(self, "value:", depth_lvl + 1);
+ self.print_expr(*value, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Box { value } => {
+ print_indented!(self, "Box {", depth_lvl);
+ self.print_expr(*value, depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ If { if_then_scope, cond, then, else_opt } => {
+ print_indented!(self, "If {", depth_lvl);
+ print_indented!(self, format!("if_then_scope: {:?}", if_then_scope), depth_lvl + 1);
+ print_indented!(self, "cond:", depth_lvl + 1);
+ self.print_expr(*cond, depth_lvl + 2);
+ print_indented!(self, "then:", depth_lvl + 1);
+ self.print_expr(*then, depth_lvl + 2);
+
+ if let Some(else_expr) = else_opt {
+ print_indented!(self, "else:", depth_lvl + 1);
+ self.print_expr(*else_expr, depth_lvl + 2);
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+ Call { fun, args, ty, from_hir_call, fn_span } => {
+ print_indented!(self, "Call {", depth_lvl);
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
+ print_indented!(self, format!("from_hir_call: {}", from_hir_call), depth_lvl + 1);
+ print_indented!(self, format!("fn_span: {:?}", fn_span), depth_lvl + 1);
+ print_indented!(self, "fun:", depth_lvl + 1);
+ self.print_expr(*fun, depth_lvl + 2);
+
+ if args.len() > 0 {
+ print_indented!(self, "args: [", depth_lvl + 1);
+ for arg in args.iter() {
+ self.print_expr(*arg, depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ } else {
+ print_indented!(self, "args: []", depth_lvl + 1);
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+ Deref { arg } => {
+ print_indented!(self, "Deref {", depth_lvl);
+ self.print_expr(*arg, depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Binary { op, lhs, rhs } => {
+ print_indented!(self, "Binary {", depth_lvl);
+ print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
+ print_indented!(self, "lhs:", depth_lvl + 1);
+ self.print_expr(*lhs, depth_lvl + 2);
+ print_indented!(self, "rhs:", depth_lvl + 1);
+ self.print_expr(*rhs, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ LogicalOp { op, lhs, rhs } => {
+ print_indented!(self, "LogicalOp {", depth_lvl);
+ print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
+ print_indented!(self, "lhs:", depth_lvl + 1);
+ self.print_expr(*lhs, depth_lvl + 2);
+ print_indented!(self, "rhs:", depth_lvl + 1);
+ self.print_expr(*rhs, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Unary { op, arg } => {
+ print_indented!(self, "Unary {", depth_lvl);
+ print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
+ print_indented!(self, "arg:", depth_lvl + 1);
+ self.print_expr(*arg, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Cast { source } => {
+ print_indented!(self, "Cast {", depth_lvl);
+ print_indented!(self, "source:", depth_lvl + 1);
+ self.print_expr(*source, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Use { source } => {
+ print_indented!(self, "Use {", depth_lvl);
+ print_indented!(self, "source:", depth_lvl + 1);
+ self.print_expr(*source, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ NeverToAny { source } => {
+ print_indented!(self, "NeverToAny {", depth_lvl);
+ print_indented!(self, "source:", depth_lvl + 1);
+ self.print_expr(*source, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Pointer { cast, source } => {
+ print_indented!(self, "Pointer {", depth_lvl);
+ print_indented!(self, format!("cast: {:?}", cast), depth_lvl + 1);
+ print_indented!(self, "source:", depth_lvl + 1);
+ self.print_expr(*source, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Loop { body } => {
+ print_indented!(self, "Loop (", depth_lvl);
+ print_indented!(self, "body:", depth_lvl + 1);
+ self.print_expr(*body, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl);
+ }
+ Let { expr, pat } => {
+ print_indented!(self, "Let {", depth_lvl);
+ print_indented!(self, "expr:", depth_lvl + 1);
+ self.print_expr(*expr, depth_lvl + 2);
+ print_indented!(self, format!("pat: {:?}", pat), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Match { scrutinee, arms } => {
+ print_indented!(self, "Match {", depth_lvl);
+ print_indented!(self, "scrutinee:", depth_lvl + 1);
+ self.print_expr(*scrutinee, depth_lvl + 2);
+
+ print_indented!(self, "arms: [", depth_lvl + 1);
+ for arm_id in arms.iter() {
+ self.print_arm(*arm_id, depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Block { block } => self.print_block(*block, depth_lvl),
+ Assign { lhs, rhs } => {
+ print_indented!(self, "Assign {", depth_lvl);
+ print_indented!(self, "lhs:", depth_lvl + 1);
+ self.print_expr(*lhs, depth_lvl + 2);
+ print_indented!(self, "rhs:", depth_lvl + 1);
+ self.print_expr(*rhs, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ AssignOp { op, lhs, rhs } => {
+ print_indented!(self, "AssignOp {", depth_lvl);
+ print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
+ print_indented!(self, "lhs:", depth_lvl + 1);
+ self.print_expr(*lhs, depth_lvl + 2);
+ print_indented!(self, "rhs:", depth_lvl + 1);
+ self.print_expr(*rhs, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Field { lhs, variant_index, name } => {
+ print_indented!(self, "Field {", depth_lvl);
+ print_indented!(self, format!("variant_index: {:?}", variant_index), depth_lvl + 1);
+ print_indented!(self, format!("name: {:?}", name), depth_lvl + 1);
+ print_indented!(self, "lhs:", depth_lvl + 1);
+ self.print_expr(*lhs, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Index { lhs, index } => {
+ print_indented!(self, "Index {", depth_lvl);
+ print_indented!(self, format!("index: {:?}", index), depth_lvl + 1);
+ print_indented!(self, "lhs:", depth_lvl + 1);
+ self.print_expr(*lhs, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ VarRef { id } => {
+ print_indented!(self, "VarRef {", depth_lvl);
+ print_indented!(self, format!("id: {:?}", id), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ UpvarRef { closure_def_id, var_hir_id } => {
+ print_indented!(self, "UpvarRef {", depth_lvl);
+ print_indented!(
+ self,
+ format!("closure_def_id: {:?}", closure_def_id),
+ depth_lvl + 1
+ );
+ print_indented!(self, format!("var_hir_id: {:?}", var_hir_id), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Borrow { borrow_kind, arg } => {
+ print_indented!(self, "Borrow (", depth_lvl);
+ print_indented!(self, format!("borrow_kind: {:?}", borrow_kind), depth_lvl + 1);
+ print_indented!(self, "arg:", depth_lvl + 1);
+ self.print_expr(*arg, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl);
+ }
+ AddressOf { mutability, arg } => {
+ print_indented!(self, "AddressOf {", depth_lvl);
+ print_indented!(self, format!("mutability: {:?}", mutability), depth_lvl + 1);
+ print_indented!(self, "arg:", depth_lvl + 1);
+ self.print_expr(*arg, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Break { label, value } => {
+ print_indented!(self, "Break (", depth_lvl);
+ print_indented!(self, format!("label: {:?}", label), depth_lvl + 1);
+
+ if let Some(value) = value {
+ print_indented!(self, "value:", depth_lvl + 1);
+ self.print_expr(*value, depth_lvl + 2);
+ }
+
+ print_indented!(self, ")", depth_lvl);
+ }
+ Continue { label } => {
+ print_indented!(self, "Continue {", depth_lvl);
+ print_indented!(self, format!("label: {:?}", label), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Return { value } => {
+ print_indented!(self, "Return {", depth_lvl);
+ print_indented!(self, "value:", depth_lvl + 1);
+
+ if let Some(value) = value {
+ self.print_expr(*value, depth_lvl + 2);
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+ ConstBlock { did, substs } => {
+ print_indented!(self, "ConstBlock {", depth_lvl);
+ print_indented!(self, format!("did: {:?}", did), depth_lvl + 1);
+ print_indented!(self, format!("substs: {:?}", substs), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Repeat { value, count } => {
+ print_indented!(self, "Repeat {", depth_lvl);
+ print_indented!(self, format!("count: {:?}", count), depth_lvl + 1);
+ print_indented!(self, "value:", depth_lvl + 1);
+ self.print_expr(*value, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Array { fields } => {
+ print_indented!(self, "Array {", depth_lvl);
+ print_indented!(self, "fields: [", depth_lvl + 1);
+ for field_id in fields.iter() {
+ self.print_expr(*field_id, depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Tuple { fields } => {
+ print_indented!(self, "Tuple {", depth_lvl);
+ print_indented!(self, "fields: [", depth_lvl + 1);
+ for field_id in fields.iter() {
+ self.print_expr(*field_id, depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Adt(adt_expr) => {
+ print_indented!(self, "Adt {", depth_lvl);
+ self.print_adt_expr(&**adt_expr, depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ PlaceTypeAscription { source, user_ty } => {
+ print_indented!(self, "PlaceTypeAscription {", depth_lvl);
+ print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
+ print_indented!(self, "source:", depth_lvl + 1);
+ self.print_expr(*source, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ ValueTypeAscription { source, user_ty } => {
+ print_indented!(self, "ValueTypeAscription {", depth_lvl);
+ print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
+ print_indented!(self, "source:", depth_lvl + 1);
+ self.print_expr(*source, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Closure(closure_expr) => {
+ print_indented!(self, "Closure {", depth_lvl);
+ print_indented!(self, "closure_expr:", depth_lvl + 1);
+ self.print_closure_expr(&**closure_expr, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Literal { lit, neg } => {
+ print_indented!(
+ self,
+ format!("Literal( lit: {:?}, neg: {:?})\n", lit, neg),
+ depth_lvl
+ );
+ }
+ NonHirLiteral { lit, user_ty } => {
+ print_indented!(self, "NonHirLiteral {", depth_lvl);
+ print_indented!(self, format!("lit: {:?}", lit), depth_lvl + 1);
+ print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ ZstLiteral { user_ty } => {
+ print_indented!(self, format!("ZstLiteral(user_ty: {:?})", user_ty), depth_lvl);
+ }
+ NamedConst { def_id, substs, user_ty } => {
+ print_indented!(self, "NamedConst {", depth_lvl);
+ print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
+ print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
+ print_indented!(self, format!("substs: {:?}", substs), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ ConstParam { param, def_id } => {
+ print_indented!(self, "ConstParam {", depth_lvl);
+ print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
+ print_indented!(self, format!("param: {:?}", param), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ StaticRef { alloc_id, ty, def_id } => {
+ print_indented!(self, "StaticRef {", depth_lvl);
+ print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
+ print_indented!(self, format!("alloc_id: {:?}", alloc_id), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ InlineAsm(expr) => {
+ print_indented!(self, "InlineAsm {", depth_lvl);
+ print_indented!(self, "expr:", depth_lvl + 1);
+ self.print_inline_asm_expr(&**expr, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ ThreadLocalRef(def_id) => {
+ print_indented!(self, "ThreadLocalRef {", depth_lvl);
+ print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+ Yield { value } => {
+ print_indented!(self, "Yield {", depth_lvl);
+ print_indented!(self, "value:", depth_lvl + 1);
+ self.print_expr(*value, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl);
+ }
+ }
+ }
+
+ fn print_adt_expr(&mut self, adt_expr: &AdtExpr<'tcx>, depth_lvl: usize) {
+ print_indented!(self, "adt_def:", depth_lvl);
+ self.print_adt_def(adt_expr.adt_def, depth_lvl + 1);
+ print_indented!(
+ self,
+ format!("variant_index: {:?}", adt_expr.variant_index),
+ depth_lvl + 1
+ );
+ print_indented!(self, format!("substs: {:?}", adt_expr.substs), depth_lvl + 1);
+ print_indented!(self, format!("user_ty: {:?}", adt_expr.user_ty), depth_lvl + 1);
+
+ for (i, field_expr) in adt_expr.fields.iter().enumerate() {
+ print_indented!(self, format!("field {}:", i), depth_lvl + 1);
+ self.print_expr(field_expr.expr, depth_lvl + 2);
+ }
+
+ if let Some(ref base) = adt_expr.base {
+ print_indented!(self, "base:", depth_lvl + 1);
+ self.print_fru_info(base, depth_lvl + 2);
+ } else {
+ print_indented!(self, "base: None", depth_lvl + 1);
+ }
+ }
+
+ fn print_adt_def(&mut self, adt_def: ty::AdtDef<'tcx>, depth_lvl: usize) {
+ print_indented!(self, "AdtDef {", depth_lvl);
+ print_indented!(self, format!("did: {:?}", adt_def.did()), depth_lvl + 1);
+ print_indented!(self, format!("variants: {:?}", adt_def.variants()), depth_lvl + 1);
+ print_indented!(self, format!("flags: {:?}", adt_def.flags()), depth_lvl + 1);
+ print_indented!(self, format!("repr: {:?}", adt_def.repr()), depth_lvl + 1);
+ }
+
+ fn print_fru_info(&mut self, fru_info: &FruInfo<'tcx>, depth_lvl: usize) {
+ print_indented!(self, "FruInfo {", depth_lvl);
+ print_indented!(self, "base: ", depth_lvl + 1);
+ self.print_expr(fru_info.base, depth_lvl + 2);
+ print_indented!(self, "field_types: [", depth_lvl + 1);
+ for ty in fru_info.field_types.iter() {
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 2);
+ }
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_arm(&mut self, arm_id: ArmId, depth_lvl: usize) {
+ print_indented!(self, "Arm {", depth_lvl);
+
+ let arm = &self.thir.arms[arm_id];
+ let Arm { pattern, guard, body, lint_level, scope, span } = arm;
+
+ print_indented!(self, "pattern: ", depth_lvl + 1);
+ self.print_pat(pattern, depth_lvl + 2);
+
+ if let Some(guard) = guard {
+ print_indented!(self, "guard: ", depth_lvl + 1);
+ self.print_guard(guard, depth_lvl + 2);
+ } else {
+ print_indented!(self, "guard: None", depth_lvl + 1);
+ }
+
+ print_indented!(self, "body: ", depth_lvl + 1);
+ self.print_expr(*body, depth_lvl + 2);
+ print_indented!(self, format!("lint_level: {:?}", lint_level), depth_lvl + 1);
+ print_indented!(self, format!("scope: {:?}", scope), depth_lvl + 1);
+ print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_pat(&mut self, pat: &Box<Pat<'tcx>>, depth_lvl: usize) {
+ let Pat { ty, span, kind } = &**pat;
+
+ print_indented!(self, "Pat: {", depth_lvl);
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
+ print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
+ self.print_pat_kind(kind, depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_pat_kind(&mut self, pat_kind: &PatKind<'tcx>, depth_lvl: usize) {
+ print_indented!(self, "kind: PatKind {", depth_lvl);
+
+ match pat_kind {
+ PatKind::Wild => {
+ print_indented!(self, "Wild", depth_lvl + 1);
+ }
+ PatKind::AscribeUserType { ascription, subpattern } => {
+ print_indented!(self, "AscribeUserType: {", depth_lvl + 1);
+ print_indented!(self, format!("ascription: {:?}", ascription), depth_lvl + 2);
+ print_indented!(self, "subpattern: ", depth_lvl + 2);
+ self.print_pat(subpattern, depth_lvl + 3);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Binding { mutability, name, mode, var, ty, subpattern, is_primary } => {
+ print_indented!(self, "Binding {", depth_lvl + 1);
+ print_indented!(self, format!("mutability: {:?}", mutability), depth_lvl + 2);
+ print_indented!(self, format!("name: {:?}", name), depth_lvl + 2);
+ print_indented!(self, format!("mode: {:?}", mode), depth_lvl + 2);
+ print_indented!(self, format!("var: {:?}", var), depth_lvl + 2);
+ print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 2);
+ print_indented!(self, format!("is_primary: {:?}", is_primary), depth_lvl + 2);
+
+ if let Some(subpattern) = subpattern {
+ print_indented!(self, "subpattern: Some( ", depth_lvl + 2);
+ self.print_pat(subpattern, depth_lvl + 3);
+ print_indented!(self, ")", depth_lvl + 2);
+ } else {
+ print_indented!(self, "subpattern: None", depth_lvl + 2);
+ }
+
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Variant { adt_def, substs, variant_index, subpatterns } => {
+ print_indented!(self, "Variant {", depth_lvl + 1);
+ print_indented!(self, "adt_def: ", depth_lvl + 2);
+ self.print_adt_def(*adt_def, depth_lvl + 3);
+ print_indented!(self, format!("substs: {:?}", substs), depth_lvl + 2);
+ print_indented!(self, format!("variant_index: {:?}", variant_index), depth_lvl + 2);
+
+ if subpatterns.len() > 0 {
+ print_indented!(self, "subpatterns: [", depth_lvl + 2);
+ for field_pat in subpatterns.iter() {
+ self.print_pat(&field_pat.pattern, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+ } else {
+ print_indented!(self, "subpatterns: []", depth_lvl + 2);
+ }
+
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Leaf { subpatterns } => {
+ print_indented!(self, "Leaf { ", depth_lvl + 1);
+ print_indented!(self, "subpatterns: [", depth_lvl + 2);
+ for field_pat in subpatterns.iter() {
+ self.print_pat(&field_pat.pattern, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Deref { subpattern } => {
+ print_indented!(self, "Deref { ", depth_lvl + 1);
+ print_indented!(self, "subpattern: ", depth_lvl + 2);
+ self.print_pat(subpattern, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Constant { value } => {
+ print_indented!(self, "Constant {", depth_lvl + 1);
+ print_indented!(self, format!("value: {:?}", value), depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Range(pat_range) => {
+ print_indented!(self, format!("Range ( {:?} )", pat_range), depth_lvl + 1);
+ }
+ PatKind::Slice { prefix, slice, suffix } => {
+ print_indented!(self, "Slice {", depth_lvl + 1);
+
+ print_indented!(self, "prefix: [", depth_lvl + 2);
+ for prefix_pat in prefix.iter() {
+ self.print_pat(prefix_pat, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+
+ if let Some(slice) = slice {
+ print_indented!(self, "slice: ", depth_lvl + 2);
+ self.print_pat(slice, depth_lvl + 3);
+ }
+
+ print_indented!(self, "suffix: [", depth_lvl + 2);
+ for suffix_pat in suffix.iter() {
+ self.print_pat(suffix_pat, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Array { prefix, slice, suffix } => {
+ print_indented!(self, "Array {", depth_lvl + 1);
+
+ print_indented!(self, "prefix: [", depth_lvl + 2);
+ for prefix_pat in prefix.iter() {
+ self.print_pat(prefix_pat, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+
+ if let Some(slice) = slice {
+ print_indented!(self, "slice: ", depth_lvl + 2);
+ self.print_pat(slice, depth_lvl + 3);
+ }
+
+ print_indented!(self, "suffix: [", depth_lvl + 2);
+ for suffix_pat in suffix.iter() {
+ self.print_pat(suffix_pat, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ PatKind::Or { pats } => {
+ print_indented!(self, "Or {", depth_lvl + 1);
+ print_indented!(self, "pats: [", depth_lvl + 2);
+ for pat in pats.iter() {
+ self.print_pat(pat, depth_lvl + 3);
+ }
+ print_indented!(self, "]", depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_guard(&mut self, guard: &Guard<'tcx>, depth_lvl: usize) {
+ print_indented!(self, "Guard {", depth_lvl);
+
+ match guard {
+ Guard::If(expr_id) => {
+ print_indented!(self, "If (", depth_lvl + 1);
+ self.print_expr(*expr_id, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl + 1);
+ }
+ Guard::IfLet(pat, expr_id) => {
+ print_indented!(self, "IfLet (", depth_lvl + 1);
+ self.print_pat(pat, depth_lvl + 2);
+ print_indented!(self, ",", depth_lvl + 1);
+ self.print_expr(*expr_id, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl + 1);
+ }
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_closure_expr(&mut self, expr: &ClosureExpr<'tcx>, depth_lvl: usize) {
+ let ClosureExpr { closure_id, substs, upvars, movability, fake_reads } = expr;
+
+ print_indented!(self, "ClosureExpr {", depth_lvl);
+ print_indented!(self, format!("closure_id: {:?}", closure_id), depth_lvl + 1);
+ print_indented!(self, format!("substs: {:?}", substs), depth_lvl + 1);
+
+ if upvars.len() > 0 {
+ print_indented!(self, "upvars: [", depth_lvl + 1);
+ for upvar in upvars.iter() {
+ self.print_expr(*upvar, depth_lvl + 2);
+ print_indented!(self, ",", depth_lvl + 1);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ } else {
+ print_indented!(self, "upvars: []", depth_lvl + 1);
+ }
+
+ print_indented!(self, format!("movability: {:?}", movability), depth_lvl + 1);
+
+ if fake_reads.len() > 0 {
+ print_indented!(self, "fake_reads: [", depth_lvl + 1);
+ for (fake_read_expr, cause, hir_id) in fake_reads.iter() {
+ print_indented!(self, "(", depth_lvl + 2);
+ self.print_expr(*fake_read_expr, depth_lvl + 3);
+ print_indented!(self, ",", depth_lvl + 2);
+ print_indented!(self, format!("cause: {:?}", cause), depth_lvl + 3);
+ print_indented!(self, ",", depth_lvl + 2);
+ print_indented!(self, format!("hir_id: {:?}", hir_id), depth_lvl + 3);
+ print_indented!(self, "),", depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+ } else {
+ print_indented!(self, "fake_reads: []", depth_lvl + 1);
+ }
+
+ print_indented!(self, "}", depth_lvl);
+ }
+
+ fn print_inline_asm_expr(&mut self, expr: &InlineAsmExpr<'tcx>, depth_lvl: usize) {
+ let InlineAsmExpr { template, operands, options, line_spans } = expr;
+
+ print_indented!(self, "InlineAsmExpr {", depth_lvl);
+
+ print_indented!(self, "template: [", depth_lvl + 1);
+ for template_piece in template.iter() {
+ print_indented!(self, format!("{:?}", template_piece), depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+
+ print_indented!(self, "operands: [", depth_lvl + 1);
+ for operand in operands.iter() {
+ self.print_inline_operand(operand, depth_lvl + 2);
+ }
+ print_indented!(self, "]", depth_lvl + 1);
+
+ print_indented!(self, format!("options: {:?}", options), depth_lvl + 1);
+ print_indented!(self, format!("line_spans: {:?}", line_spans), depth_lvl + 1);
+ }
+
+ fn print_inline_operand(&mut self, operand: &InlineAsmOperand<'tcx>, depth_lvl: usize) {
+ match operand {
+ InlineAsmOperand::In { reg, expr } => {
+ print_indented!(self, "InlineAsmOperand::In {", depth_lvl);
+ print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
+ print_indented!(self, "expr: ", depth_lvl + 1);
+ self.print_expr(*expr, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ InlineAsmOperand::Out { reg, late, expr } => {
+ print_indented!(self, "InlineAsmOperand::Out {", depth_lvl);
+ print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
+ print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
+
+ if let Some(out) = expr {
+ print_indented!(self, "place: Some( ", depth_lvl + 1);
+ self.print_expr(*out, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl + 1);
+ } else {
+ print_indented!(self, "place: None", depth_lvl + 1);
+ }
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ InlineAsmOperand::InOut { reg, late, expr } => {
+ print_indented!(self, "InlineAsmOperand::InOut {", depth_lvl);
+ print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
+ print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
+ print_indented!(self, "expr: ", depth_lvl + 1);
+ self.print_expr(*expr, depth_lvl + 2);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ InlineAsmOperand::SplitInOut { reg, late, in_expr, out_expr } => {
+ print_indented!(self, "InlineAsmOperand::SplitInOut {", depth_lvl);
+ print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
+ print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
+ print_indented!(self, "in_expr: ", depth_lvl + 1);
+ self.print_expr(*in_expr, depth_lvl + 2);
+
+ if let Some(out_expr) = out_expr {
+ print_indented!(self, "out_expr: Some( ", depth_lvl + 1);
+ self.print_expr(*out_expr, depth_lvl + 2);
+ print_indented!(self, ")", depth_lvl + 1);
+ } else {
+ print_indented!(self, "out_expr: None", depth_lvl + 1);
+ }
+
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ InlineAsmOperand::Const { value, span } => {
+ print_indented!(self, "InlineAsmOperand::Const {", depth_lvl);
+ print_indented!(self, format!("value: {:?}", value), depth_lvl + 1);
+ print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ InlineAsmOperand::SymFn { value, span } => {
+ print_indented!(self, "InlineAsmOperand::SymFn {", depth_lvl);
+ print_indented!(self, format!("value: {:?}", *value), depth_lvl + 1);
+ print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ InlineAsmOperand::SymStatic { def_id } => {
+ print_indented!(self, "InlineAsmOperand::SymStatic {", depth_lvl);
+ print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
+ print_indented!(self, "}", depth_lvl + 1);
+ }
+ }
+ }
+}