diff options
Diffstat (limited to 'vendor/pest_meta/src')
| -rw-r--r-- | vendor/pest_meta/src/ast.rs | 328 | ||||
| -rw-r--r-- | vendor/pest_meta/src/grammar.rs | 2 | ||||
| -rw-r--r-- | vendor/pest_meta/src/optimizer/mod.rs | 475 | ||||
| -rw-r--r-- | vendor/pest_meta/src/optimizer/unroller.rs | 1 | ||||
| -rw-r--r-- | vendor/pest_meta/src/parser.rs | 341 |
5 files changed, 967 insertions, 180 deletions
diff --git a/vendor/pest_meta/src/ast.rs b/vendor/pest_meta/src/ast.rs index d7316832e..9ef25dd0e 100644 --- a/vendor/pest_meta/src/ast.rs +++ b/vendor/pest_meta/src/ast.rs @@ -254,6 +254,79 @@ impl Expr { } } +impl core::fmt::Display for Expr { + fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { + match self { + Expr::Str(s) => write!(f, "{:?}", s), + Expr::Insens(s) => write!(f, "^{:?}", s), + Expr::Range(start, end) => { + let start = start.chars().next().expect("Empty range start."); + let end = end.chars().next().expect("Empty range end."); + write!(f, "({:?}..{:?})", start, end) + } + Expr::Ident(id) => write!(f, "{}", id), + Expr::PeekSlice(start, end) => match end { + Some(end) => write!(f, "PEEK[{}..{}]", start, end), + None => write!(f, "PEEK[{}..]", start), + }, + Expr::PosPred(expr) => write!(f, "&{}", expr.as_ref()), + Expr::NegPred(expr) => write!(f, "!{}", expr.as_ref()), + Expr::Seq(lhs, rhs) => { + let mut nodes = Vec::new(); + nodes.push(lhs); + let mut current = rhs; + while let Expr::Seq(lhs, rhs) = current.as_ref() { + nodes.push(lhs); + current = rhs; + } + nodes.push(current); + let sequence = nodes + .iter() + .map(|node| format!("{}", node)) + .collect::<Vec<_>>() + .join(" ~ "); + write!(f, "({})", sequence) + } + Expr::Choice(lhs, rhs) => { + let mut nodes = Vec::new(); + nodes.push(lhs); + let mut current = rhs; + while let Expr::Choice(lhs, rhs) = current.as_ref() { + nodes.push(lhs); + current = rhs; + } + nodes.push(current); + let sequence = nodes + .iter() + .map(|node| format!("{}", node)) + .collect::<Vec<_>>() + .join(" | "); + write!(f, "({})", sequence) + } + Expr::Opt(expr) => write!(f, "{}?", expr), + Expr::Rep(expr) => write!(f, "{}*", expr), + Expr::RepOnce(expr) => write!(f, "{}+", expr), + Expr::RepExact(expr, n) => write!(f, "{}{{{}}}", expr, n), + Expr::RepMin(expr, min) => write!(f, "{}{{{},}}", expr, min), + Expr::RepMax(expr, max) => write!(f, "{}{{,{}}}", expr, max), + Expr::RepMinMax(expr, min, max) => write!(f, "{}{{{}, {}}}", expr, min, max), + Expr::Skip(strings) => { + let strings = strings + .iter() + .map(|s| format!("{:?}", s)) + .collect::<Vec<_>>() + .join(" | "); + write!(f, "(!({}) ~ ANY)*", strings) + } + Expr::Push(expr) => write!(f, "PUSH({})", expr), + #[cfg(feature = "grammar-extras")] + Expr::NodeTag(expr, tag) => { + write!(f, "(#{} = {})", tag, expr) + } + } + } +} + /// The top down iterator for an expression. pub struct ExprTopDownIterator { current: Option<Expr>, @@ -362,7 +435,260 @@ mod tests { expr.clone() .map_bottom_up(|expr| expr) .map_top_down(|expr| expr), - expr + expr, ); } + + mod display { + use super::super::*; + + #[test] + fn string() { + assert_eq!(Expr::Str("a".to_owned()).to_string(), r#""a""#); + } + + #[test] + fn insens() { + assert_eq!(Expr::Insens("a".to_owned()).to_string(), r#"^"a""#); + } + + #[test] + fn range() { + assert_eq!( + Expr::Range("a".to_owned(), "z".to_owned()).to_string(), + r#"('a'..'z')"#, + ); + } + + #[test] + fn ident() { + assert_eq!(Expr::Ident("a".to_owned()).to_string(), "a"); + } + + #[test] + fn peek_slice() { + assert_eq!(Expr::PeekSlice(0, None).to_string(), "PEEK[0..]"); + assert_eq!(Expr::PeekSlice(0, Some(-1)).to_string(), "PEEK[0..-1]"); + } + + #[test] + fn pos_pred() { + assert_eq!( + Expr::PosPred(Box::new(Expr::Ident("e".to_owned()))).to_string(), + "&e", + ); + } + + #[test] + fn neg_pred() { + assert_eq!( + Expr::NegPred(Box::new(Expr::Ident("e".to_owned()))).to_string(), + "!e", + ); + } + + #[test] + fn seq() { + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Ident("e2".to_owned())), + ) + .to_string(), + "(e1 ~ e2)", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Ident("e3".to_owned())), + )), + ) + .to_string(), + "(e1 ~ e2 ~ e3)", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 ~ e2 ~ e3 ~ e4)", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 ~ (e2 | (e3 ~ e4)))", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 ~ e2 ~ (e3 | e4))", + ); + } + + #[test] + fn choice() { + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Ident("e2".to_owned())), + ) + .to_string(), + "(e1 | e2)", + ); + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Ident("e3".to_owned())), + )), + ) + .to_string(), + "(e1 | e2 | e3)", + ); + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 | e2 | e3 | e4)", + ); + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 | (e2 ~ (e3 | e4)))", + ); + } + + #[test] + fn opt() { + assert_eq!( + Expr::Opt(Box::new(Expr::Ident("e".to_owned()))).to_string(), + "e?", + ); + } + + #[test] + fn rep() { + assert_eq!( + Expr::Rep(Box::new(Expr::Ident("e".to_owned()))).to_string(), + "e*", + ); + } + + #[test] + fn rep_once() { + assert_eq!( + Expr::RepOnce(Box::new(Expr::Ident("e".to_owned()))).to_string(), + "e+", + ); + } + + #[test] + fn rep_exact() { + assert_eq!( + Expr::RepExact(Box::new(Expr::Ident("e".to_owned())), 1).to_string(), + "e{1}", + ); + } + + #[test] + fn rep_min() { + assert_eq!( + Expr::RepMin(Box::new(Expr::Ident("e".to_owned())), 1).to_string(), + "e{1,}", + ); + } + + #[test] + fn rep_max() { + assert_eq!( + Expr::RepMax(Box::new(Expr::Ident("e".to_owned())), 1).to_string(), + "e{,1}", + ); + } + + #[test] + fn rep_min_max() { + assert_eq!( + Expr::RepMinMax(Box::new(Expr::Ident("e".to_owned())), 1, 2).to_string(), + "e{1, 2}", + ); + } + + #[test] + fn skip() { + assert_eq!( + Expr::Skip( + ["a", "bc"] + .into_iter() + .map(|s| s.to_owned()) + .collect::<Vec<_>>(), + ) + .to_string(), + r#"(!("a" | "bc") ~ ANY)*"#, + ); + } + + #[test] + fn push() { + assert_eq!( + Expr::Push(Box::new(Expr::Ident("e".to_owned()))).to_string(), + "PUSH(e)", + ); + } + + #[test] + #[cfg(feature = "grammar-extras")] + fn node_tag() { + assert_eq!( + Expr::NodeTag(Box::new(Expr::Ident("expr".to_owned())), "label".to_owned()) + .to_string(), + "(#label = expr)", + ); + } + } } diff --git a/vendor/pest_meta/src/grammar.rs b/vendor/pest_meta/src/grammar.rs index 32ef4bef0..58cf5ffe9 100644 --- a/vendor/pest_meta/src/grammar.rs +++ b/vendor/pest_meta/src/grammar.rs @@ -1,2 +1,2 @@ pub struct PestParser; -# [doc = "Pest meta-grammar\n\n# Warning: Semantic Versioning\nThere may be non-breaking changes to the meta-grammar\nbetween minor versions. Those non-breaking changes, however,\nmay translate into semver-breaking changes due to the additional variants\nadded to the `Rule` enum. This is a known issue and will be fixed in the\nfuture (e.g. by increasing MSRV and non_exhaustive annotations)."] # [allow (dead_code , non_camel_case_types , clippy :: upper_case_acronyms)] # [derive (Clone , Copy , Debug , Eq , Hash , Ord , PartialEq , PartialOrd)] pub enum Rule { EOI , # [doc = "The top-level rule of a grammar."] r#grammar_rules , # [doc = "A rule of a grammar."] r#grammar_rule , # [doc = "Assignment operator."] r#assignment_operator , # [doc = "Opening brace for a rule."] r#opening_brace , # [doc = "Closing brace for a rule."] r#closing_brace , # [doc = "Opening parenthesis for a branch, PUSH, etc."] r#opening_paren , # [doc = "Closing parenthesis for a branch, PUSH, etc."] r#closing_paren , # [doc = "Opening bracket for PEEK (slice inside)."] r#opening_brack , # [doc = "Closing bracket for PEEK (slice inside)."] r#closing_brack , # [doc = "A rule modifier."] r#modifier , # [doc = "Silent rule prefix."] r#silent_modifier , # [doc = "Atomic rule prefix."] r#atomic_modifier , # [doc = "Compound atomic rule prefix."] r#compound_atomic_modifier , # [doc = "Non-atomic rule prefix."] r#non_atomic_modifier , # [doc = "A tag label."] r#tag_id , # [doc = "For assigning labels to nodes."] r#node_tag , # [doc = "A rule expression."] r#expression , # [doc = "A rule term."] r#term , # [doc = "A rule node (inside terms)."] r#node , # [doc = "A terminal expression."] r#terminal , # [doc = "Possible predicates for a rule."] r#prefix_operator , # [doc = "Branches or sequences."] r#infix_operator , # [doc = "Possible modifiers for a rule."] r#postfix_operator , # [doc = "A positive predicate."] r#positive_predicate_operator , # [doc = "A negative predicate."] r#negative_predicate_operator , # [doc = "A sequence operator."] r#sequence_operator , # [doc = "A choice operator."] r#choice_operator , # [doc = "An optional operator."] r#optional_operator , # [doc = "A repeat operator."] r#repeat_operator , # [doc = "A repeat at least once operator."] r#repeat_once_operator , # [doc = "A repeat exact times."] r#repeat_exact , # [doc = "A repeat at least times."] r#repeat_min , # [doc = "A repeat at most times."] r#repeat_max , # [doc = "A repeat in a range."] r#repeat_min_max , # [doc = "A number."] r#number , # [doc = "An integer number (positive or negative)."] r#integer , # [doc = "A comma terminal."] r#comma , # [doc = "A PUSH expression."] r#_push , # [doc = "A PEEK expression."] r#peek_slice , # [doc = "An identifier."] r#identifier , # [doc = "An alpha character."] r#alpha , # [doc = "An alphanumeric character."] r#alpha_num , # [doc = "A string."] r#string , # [doc = "An insensitive string."] r#insensitive_string , # [doc = "A character range."] r#range , # [doc = "A single quoted character"] r#character , # [doc = "A quoted string."] r#inner_str , # [doc = "An escaped or any character."] r#inner_chr , # [doc = "An escape sequence."] r#escape , # [doc = "A hexadecimal code."] r#code , # [doc = "A unicode code."] r#unicode , # [doc = "A hexadecimal digit."] r#hex_digit , # [doc = "A double quote."] r#quote , # [doc = "A single quote."] r#single_quote , # [doc = "A range operator."] r#range_operator , # [doc = "A newline character."] r#newline , # [doc = "A whitespace character."] r#WHITESPACE , # [doc = "A single line comment."] r#line_comment , # [doc = "A multi-line comment."] r#block_comment , # [doc = "A grammar comment."] r#COMMENT , # [doc = "A space character."] r#space , # [doc = "A top-level comment."] r#grammar_doc , # [doc = "A rule comment."] r#line_doc , # [doc = "A comment content."] r#inner_doc } # [allow (clippy :: all)] impl :: pest :: Parser < Rule > for PestParser { fn parse < 'i > (rule : Rule , input : & 'i str) -> :: std :: result :: Result < :: pest :: iterators :: Pairs < 'i , Rule > , :: pest :: error :: Error < Rule > > { mod rules { # ! [allow (clippy :: upper_case_acronyms)] pub mod hidden { use super :: super :: Rule ; # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn skip (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { if state . atomicity () == :: pest :: Atomicity :: NonAtomic { state . sequence (| state | { state . repeat (| state | super :: visible :: WHITESPACE (state)) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: visible :: COMMENT (state) . and_then (| state | { state . repeat (| state | super :: visible :: WHITESPACE (state)) }) }) }) }) }) } else { Ok (state) } } } pub mod visible { use super :: super :: Rule ; # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#grammar_rules (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { self :: r#SOI (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#grammar_doc (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#grammar_doc (state) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#grammar_rule (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#grammar_rule (state) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#EOI (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#grammar_rule (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#grammar_rule , | state | { state . sequence (| state | { self :: r#identifier (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#assignment_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . optional (| state | { self :: r#modifier (state) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#opening_brace (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#expression (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) . or_else (| state | { self :: r#line_doc (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#assignment_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#assignment_operator , | state | { state . match_string ("=") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#opening_brace (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#opening_brace , | state | { state . match_string ("{") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#closing_brace (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#closing_brace , | state | { state . match_string ("}") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#opening_paren (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#opening_paren , | state | { state . match_string ("(") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#closing_paren (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#closing_paren , | state | { state . match_string (")") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#opening_brack (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#opening_brack , | state | { state . match_string ("[") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#closing_brack (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#closing_brack , | state | { state . match_string ("]") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#silent_modifier (state) . or_else (| state | { self :: r#atomic_modifier (state) }) . or_else (| state | { self :: r#compound_atomic_modifier (state) }) . or_else (| state | { self :: r#non_atomic_modifier (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#silent_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#silent_modifier , | state | { state . match_string ("_") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#atomic_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#atomic_modifier , | state | { state . match_string ("@") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#compound_atomic_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#compound_atomic_modifier , | state | { state . match_string ("$") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#non_atomic_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#non_atomic_modifier , | state | { state . match_string ("!") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#tag_id (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#tag_id , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("#") . and_then (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha (state) }) }) . and_then (| state | { state . repeat (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha_num (state) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#node_tag (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { self :: r#tag_id (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#assignment_operator (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#expression (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#expression , | state | { state . sequence (| state | { state . optional (| state | { self :: r#choice_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#term (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { state . sequence (| state | { self :: r#infix_operator (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#term (state) }) }) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { state . sequence (| state | { self :: r#infix_operator (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#term (state) }) }) }) }) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#term (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#term , | state | { state . sequence (| state | { state . optional (| state | { self :: r#node_tag (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#prefix_operator (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#prefix_operator (state) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#node (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#postfix_operator (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#postfix_operator (state) }) }) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#node (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { self :: r#opening_paren (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#expression (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_paren (state) }) }) . or_else (| state | { self :: r#terminal (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#terminal (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#_push (state) . or_else (| state | { self :: r#peek_slice (state) }) . or_else (| state | { self :: r#identifier (state) }) . or_else (| state | { self :: r#string (state) }) . or_else (| state | { self :: r#insensitive_string (state) }) . or_else (| state | { self :: r#range (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#prefix_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#positive_predicate_operator (state) . or_else (| state | { self :: r#negative_predicate_operator (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#infix_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#sequence_operator (state) . or_else (| state | { self :: r#choice_operator (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#postfix_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#optional_operator (state) . or_else (| state | { self :: r#repeat_operator (state) }) . or_else (| state | { self :: r#repeat_once_operator (state) }) . or_else (| state | { self :: r#repeat_exact (state) }) . or_else (| state | { self :: r#repeat_min (state) }) . or_else (| state | { self :: r#repeat_max (state) }) . or_else (| state | { self :: r#repeat_min_max (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#positive_predicate_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#positive_predicate_operator , | state | { state . match_string ("&") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#negative_predicate_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#negative_predicate_operator , | state | { state . match_string ("!") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#sequence_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#sequence_operator , | state | { state . match_string ("~") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#choice_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#choice_operator , | state | { state . match_string ("|") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#optional_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#optional_operator , | state | { state . match_string ("?") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_operator , | state | { state . match_string ("*") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_once_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_once_operator , | state | { state . match_string ("+") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_exact (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_exact , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_min (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_min , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#comma (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_max (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_max , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#comma (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_min_max (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_min_max , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#comma (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#number (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#number , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_range ('0' .. '9') . and_then (| state | { state . repeat (| state | { state . match_range ('0' .. '9') }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#integer (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#integer , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { self :: r#number (state) . or_else (| state | { state . sequence (| state | { state . match_string ("-") . and_then (| state | { state . repeat (| state | { state . match_string ("0") }) }) . and_then (| state | { state . match_range ('1' .. '9') }) . and_then (| state | { state . optional (| state | { self :: r#number (state) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#comma (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#comma , | state | { state . match_string (",") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#_push (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#_push , | state | { state . sequence (| state | { state . match_string ("PUSH") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#opening_paren (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#expression (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_paren (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#peek_slice (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#peek_slice , | state | { state . sequence (| state | { state . match_string ("PEEK") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#opening_brack (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . optional (| state | { self :: r#integer (state) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#range_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . optional (| state | { self :: r#integer (state) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brack (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#identifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#identifier , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . lookahead (false , | state | { state . match_string ("PUSH") }) . and_then (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha (state) }) }) . and_then (| state | { state . repeat (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha_num (state) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#alpha (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . match_range ('a' .. 'z') . or_else (| state | { state . match_range ('A' .. 'Z') }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#alpha_num (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#alpha (state) . or_else (| state | { state . match_range ('0' .. '9') }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#string (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#string , | state | { state . sequence (| state | { self :: r#quote (state) . and_then (| state | { self :: r#inner_str (state) }) . and_then (| state | { self :: r#quote (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#insensitive_string (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#insensitive_string , | state | { state . sequence (| state | { state . match_string ("^") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#string (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#range (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#range , | state | { state . sequence (| state | { self :: r#character (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#range_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#character (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#character (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#character , | state | { state . sequence (| state | { self :: r#single_quote (state) . and_then (| state | { self :: r#inner_chr (state) }) . and_then (| state | { self :: r#single_quote (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#inner_str (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#inner_str , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { let strings = ["\"" , "\\"] ; state . skip_until (& strings) . and_then (| state | { state . optional (| state | { state . sequence (| state | { self :: r#escape (state) . and_then (| state | { self :: r#inner_str (state) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#inner_chr (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#inner_chr , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { self :: r#escape (state) . or_else (| state | { self :: r#ANY (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#escape (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#escape , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("\\") . and_then (| state | { state . match_string ("\"") . or_else (| state | { state . match_string ("\\") }) . or_else (| state | { state . match_string ("r") }) . or_else (| state | { state . match_string ("n") }) . or_else (| state | { state . match_string ("t") }) . or_else (| state | { state . match_string ("0") }) . or_else (| state | { state . match_string ("'") }) . or_else (| state | { self :: r#code (state) }) . or_else (| state | { self :: r#unicode (state) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#code (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#code , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("x") . and_then (| state | { self :: r#hex_digit (state) }) . and_then (| state | { self :: r#hex_digit (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#unicode (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#unicode , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("u") . and_then (| state | { self :: r#opening_brace (state) }) . and_then (| state | { state . sequence (| state | { self :: r#hex_digit (state) . and_then (| state | { self :: r#hex_digit (state) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) }) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#hex_digit (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#hex_digit , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . match_range ('0' .. '9') . or_else (| state | { state . match_range ('a' .. 'f') }) . or_else (| state | { state . match_range ('A' .. 'F') }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#quote (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#quote , | state | { state . match_string ("\"") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#single_quote (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#single_quote , | state | { state . match_string ("'") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#range_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#range_operator , | state | { state . match_string ("..") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#newline (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . match_string ("\n") . or_else (| state | { state . match_string ("\r\n") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#WHITESPACE (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . match_string (" ") . or_else (| state | { state . match_string ("\t") }) . or_else (| state | { self :: r#newline (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#line_comment (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { state . match_string ("//") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . lookahead (false , | state | { state . match_string ("/") . or_else (| state | { state . match_string ("!") }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { state . sequence (| state | { state . lookahead (false , | state | { self :: r#newline (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { state . sequence (| state | { state . lookahead (false , | state | { self :: r#newline (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#block_comment (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { state . match_string ("/*") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#block_comment (state) . or_else (| state | { state . sequence (| state | { state . lookahead (false , | state | { state . match_string ("*/") }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#block_comment (state) . or_else (| state | { state . sequence (| state | { state . lookahead (false , | state | { state . match_string ("*/") }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . match_string ("*/") }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#COMMENT (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: Atomic , | state | { self :: r#block_comment (state) . or_else (| state | { self :: r#line_comment (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#space (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . match_string (" ") . or_else (| state | { state . match_string ("\t") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#grammar_doc (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#grammar_doc , | state | { state . sequence (| state | { state . match_string ("//!") . and_then (| state | { state . optional (| state | { self :: r#space (state) }) }) . and_then (| state | { self :: r#inner_doc (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#line_doc (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#line_doc , | state | { state . sequence (| state | { state . match_string ("///") . and_then (| state | { state . optional (| state | { self :: r#space (state) }) }) . and_then (| state | { self :: r#inner_doc (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#inner_doc (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#inner_doc , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . repeat (| state | { state . sequence (| state | { state . lookahead (false , | state | { self :: r#newline (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) }) }) } # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn ANY (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . skip (1) } # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn EOI (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: EOI , | state | state . end_of_input ()) } # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn SOI (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . start_of_input () } } pub use self :: visible :: * ; } :: pest :: state (input , | state | { match rule { Rule :: r#grammar_rules => rules :: r#grammar_rules (state) , Rule :: r#grammar_rule => rules :: r#grammar_rule (state) , Rule :: r#assignment_operator => rules :: r#assignment_operator (state) , Rule :: r#opening_brace => rules :: r#opening_brace (state) , Rule :: r#closing_brace => rules :: r#closing_brace (state) , Rule :: r#opening_paren => rules :: r#opening_paren (state) , Rule :: r#closing_paren => rules :: r#closing_paren (state) , Rule :: r#opening_brack => rules :: r#opening_brack (state) , Rule :: r#closing_brack => rules :: r#closing_brack (state) , Rule :: r#modifier => rules :: r#modifier (state) , Rule :: r#silent_modifier => rules :: r#silent_modifier (state) , Rule :: r#atomic_modifier => rules :: r#atomic_modifier (state) , Rule :: r#compound_atomic_modifier => rules :: r#compound_atomic_modifier (state) , Rule :: r#non_atomic_modifier => rules :: r#non_atomic_modifier (state) , Rule :: r#tag_id => rules :: r#tag_id (state) , Rule :: r#node_tag => rules :: r#node_tag (state) , Rule :: r#expression => rules :: r#expression (state) , Rule :: r#term => rules :: r#term (state) , Rule :: r#node => rules :: r#node (state) , Rule :: r#terminal => rules :: r#terminal (state) , Rule :: r#prefix_operator => rules :: r#prefix_operator (state) , Rule :: r#infix_operator => rules :: r#infix_operator (state) , Rule :: r#postfix_operator => rules :: r#postfix_operator (state) , Rule :: r#positive_predicate_operator => rules :: r#positive_predicate_operator (state) , Rule :: r#negative_predicate_operator => rules :: r#negative_predicate_operator (state) , Rule :: r#sequence_operator => rules :: r#sequence_operator (state) , Rule :: r#choice_operator => rules :: r#choice_operator (state) , Rule :: r#optional_operator => rules :: r#optional_operator (state) , Rule :: r#repeat_operator => rules :: r#repeat_operator (state) , Rule :: r#repeat_once_operator => rules :: r#repeat_once_operator (state) , Rule :: r#repeat_exact => rules :: r#repeat_exact (state) , Rule :: r#repeat_min => rules :: r#repeat_min (state) , Rule :: r#repeat_max => rules :: r#repeat_max (state) , Rule :: r#repeat_min_max => rules :: r#repeat_min_max (state) , Rule :: r#number => rules :: r#number (state) , Rule :: r#integer => rules :: r#integer (state) , Rule :: r#comma => rules :: r#comma (state) , Rule :: r#_push => rules :: r#_push (state) , Rule :: r#peek_slice => rules :: r#peek_slice (state) , Rule :: r#identifier => rules :: r#identifier (state) , Rule :: r#alpha => rules :: r#alpha (state) , Rule :: r#alpha_num => rules :: r#alpha_num (state) , Rule :: r#string => rules :: r#string (state) , Rule :: r#insensitive_string => rules :: r#insensitive_string (state) , Rule :: r#range => rules :: r#range (state) , Rule :: r#character => rules :: r#character (state) , Rule :: r#inner_str => rules :: r#inner_str (state) , Rule :: r#inner_chr => rules :: r#inner_chr (state) , Rule :: r#escape => rules :: r#escape (state) , Rule :: r#code => rules :: r#code (state) , Rule :: r#unicode => rules :: r#unicode (state) , Rule :: r#hex_digit => rules :: r#hex_digit (state) , Rule :: r#quote => rules :: r#quote (state) , Rule :: r#single_quote => rules :: r#single_quote (state) , Rule :: r#range_operator => rules :: r#range_operator (state) , Rule :: r#newline => rules :: r#newline (state) , Rule :: r#WHITESPACE => rules :: r#WHITESPACE (state) , Rule :: r#line_comment => rules :: r#line_comment (state) , Rule :: r#block_comment => rules :: r#block_comment (state) , Rule :: r#COMMENT => rules :: r#COMMENT (state) , Rule :: r#space => rules :: r#space (state) , Rule :: r#grammar_doc => rules :: r#grammar_doc (state) , Rule :: r#line_doc => rules :: r#line_doc (state) , Rule :: r#inner_doc => rules :: r#inner_doc (state) , Rule :: EOI => rules :: EOI (state) } }) } } +# [doc = "Pest meta-grammar\n\n# Warning: Semantic Versioning\nThere may be non-breaking changes to the meta-grammar\nbetween minor versions. Those non-breaking changes, however,\nmay translate into semver-breaking changes due to the additional variants\nadded to the `Rule` enum. This is a known issue and will be fixed in the\nfuture (e.g. by increasing MSRV and non_exhaustive annotations)."] # [allow (dead_code , non_camel_case_types , clippy :: upper_case_acronyms)] # [derive (Clone , Copy , Debug , Eq , Hash , Ord , PartialEq , PartialOrd)] pub enum Rule { # [doc = "End-of-input"] EOI , # [doc = "The top-level rule of a grammar."] r#grammar_rules , # [doc = "A rule of a grammar."] r#grammar_rule , # [doc = "Assignment operator."] r#assignment_operator , # [doc = "Opening brace for a rule."] r#opening_brace , # [doc = "Closing brace for a rule."] r#closing_brace , # [doc = "Opening parenthesis for a branch, PUSH, etc."] r#opening_paren , # [doc = "Closing parenthesis for a branch, PUSH, etc."] r#closing_paren , # [doc = "Opening bracket for PEEK (slice inside)."] r#opening_brack , # [doc = "Closing bracket for PEEK (slice inside)."] r#closing_brack , # [doc = "A rule modifier."] r#modifier , # [doc = "Silent rule prefix."] r#silent_modifier , # [doc = "Atomic rule prefix."] r#atomic_modifier , # [doc = "Compound atomic rule prefix."] r#compound_atomic_modifier , # [doc = "Non-atomic rule prefix."] r#non_atomic_modifier , # [doc = "A tag label."] r#tag_id , # [doc = "For assigning labels to nodes."] r#node_tag , # [doc = "A rule expression."] r#expression , # [doc = "A rule term."] r#term , # [doc = "A rule node (inside terms)."] r#node , # [doc = "A terminal expression."] r#terminal , # [doc = "Possible predicates for a rule."] r#prefix_operator , # [doc = "Branches or sequences."] r#infix_operator , # [doc = "Possible modifiers for a rule."] r#postfix_operator , # [doc = "A positive predicate."] r#positive_predicate_operator , # [doc = "A negative predicate."] r#negative_predicate_operator , # [doc = "A sequence operator."] r#sequence_operator , # [doc = "A choice operator."] r#choice_operator , # [doc = "An optional operator."] r#optional_operator , # [doc = "A repeat operator."] r#repeat_operator , # [doc = "A repeat at least once operator."] r#repeat_once_operator , # [doc = "A repeat exact times."] r#repeat_exact , # [doc = "A repeat at least times."] r#repeat_min , # [doc = "A repeat at most times."] r#repeat_max , # [doc = "A repeat in a range."] r#repeat_min_max , # [doc = "A number."] r#number , # [doc = "An integer number (positive or negative)."] r#integer , # [doc = "A comma terminal."] r#comma , # [doc = "A PUSH expression."] r#_push , # [doc = "A PEEK expression."] r#peek_slice , # [doc = "An identifier."] r#identifier , # [doc = "An alpha character."] r#alpha , # [doc = "An alphanumeric character."] r#alpha_num , # [doc = "A string."] r#string , # [doc = "An insensitive string."] r#insensitive_string , # [doc = "A character range."] r#range , # [doc = "A single quoted character"] r#character , # [doc = "A quoted string."] r#inner_str , # [doc = "An escaped or any character."] r#inner_chr , # [doc = "An escape sequence."] r#escape , # [doc = "A hexadecimal code."] r#code , # [doc = "A unicode code."] r#unicode , # [doc = "A hexadecimal digit."] r#hex_digit , # [doc = "A double quote."] r#quote , # [doc = "A single quote."] r#single_quote , # [doc = "A range operator."] r#range_operator , # [doc = "A newline character."] r#newline , # [doc = "A whitespace character."] r#WHITESPACE , # [doc = "A single line comment."] r#line_comment , # [doc = "A multi-line comment."] r#block_comment , # [doc = "A grammar comment."] r#COMMENT , # [doc = "A space character."] r#space , # [doc = "A top-level comment."] r#grammar_doc , # [doc = "A rule comment."] r#line_doc , # [doc = "A comment content."] r#inner_doc } impl Rule { pub fn all_rules () -> & 'static [Rule] { & [Rule :: r#grammar_rules , Rule :: r#grammar_rule , Rule :: r#assignment_operator , Rule :: r#opening_brace , Rule :: r#closing_brace , Rule :: r#opening_paren , Rule :: r#closing_paren , Rule :: r#opening_brack , Rule :: r#closing_brack , Rule :: r#modifier , Rule :: r#silent_modifier , Rule :: r#atomic_modifier , Rule :: r#compound_atomic_modifier , Rule :: r#non_atomic_modifier , Rule :: r#tag_id , Rule :: r#node_tag , Rule :: r#expression , Rule :: r#term , Rule :: r#node , Rule :: r#terminal , Rule :: r#prefix_operator , Rule :: r#infix_operator , Rule :: r#postfix_operator , Rule :: r#positive_predicate_operator , Rule :: r#negative_predicate_operator , Rule :: r#sequence_operator , Rule :: r#choice_operator , Rule :: r#optional_operator , Rule :: r#repeat_operator , Rule :: r#repeat_once_operator , Rule :: r#repeat_exact , Rule :: r#repeat_min , Rule :: r#repeat_max , Rule :: r#repeat_min_max , Rule :: r#number , Rule :: r#integer , Rule :: r#comma , Rule :: r#_push , Rule :: r#peek_slice , Rule :: r#identifier , Rule :: r#alpha , Rule :: r#alpha_num , Rule :: r#string , Rule :: r#insensitive_string , Rule :: r#range , Rule :: r#character , Rule :: r#inner_str , Rule :: r#inner_chr , Rule :: r#escape , Rule :: r#code , Rule :: r#unicode , Rule :: r#hex_digit , Rule :: r#quote , Rule :: r#single_quote , Rule :: r#range_operator , Rule :: r#newline , Rule :: r#WHITESPACE , Rule :: r#line_comment , Rule :: r#block_comment , Rule :: r#COMMENT , Rule :: r#space , Rule :: r#grammar_doc , Rule :: r#line_doc , Rule :: r#inner_doc] } } # [allow (clippy :: all)] impl :: pest :: Parser < Rule > for PestParser { fn parse < 'i > (rule : Rule , input : & 'i str) -> :: std :: result :: Result < :: pest :: iterators :: Pairs < 'i , Rule > , :: pest :: error :: Error < Rule > > { mod rules { # ! [allow (clippy :: upper_case_acronyms)] pub mod hidden { use super :: super :: Rule ; # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn skip (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { if state . atomicity () == :: pest :: Atomicity :: NonAtomic { state . sequence (| state | { state . repeat (| state | super :: visible :: WHITESPACE (state)) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: visible :: COMMENT (state) . and_then (| state | { state . repeat (| state | super :: visible :: WHITESPACE (state)) }) }) }) }) }) } else { Ok (state) } } } pub mod visible { use super :: super :: Rule ; # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#grammar_rules (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { self :: r#SOI (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#grammar_doc (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#grammar_doc (state) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#grammar_rule (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#grammar_rule (state) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#EOI (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#grammar_rule (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#grammar_rule , | state | { state . sequence (| state | { self :: r#identifier (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#assignment_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . optional (| state | { self :: r#modifier (state) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#opening_brace (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#expression (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) . or_else (| state | { self :: r#line_doc (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#assignment_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#assignment_operator , | state | { state . match_string ("=") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#opening_brace (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#opening_brace , | state | { state . match_string ("{") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#closing_brace (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#closing_brace , | state | { state . match_string ("}") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#opening_paren (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#opening_paren , | state | { state . match_string ("(") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#closing_paren (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#closing_paren , | state | { state . match_string (")") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#opening_brack (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#opening_brack , | state | { state . match_string ("[") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#closing_brack (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#closing_brack , | state | { state . match_string ("]") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#silent_modifier (state) . or_else (| state | { self :: r#atomic_modifier (state) }) . or_else (| state | { self :: r#compound_atomic_modifier (state) }) . or_else (| state | { self :: r#non_atomic_modifier (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#silent_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#silent_modifier , | state | { state . match_string ("_") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#atomic_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#atomic_modifier , | state | { state . match_string ("@") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#compound_atomic_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#compound_atomic_modifier , | state | { state . match_string ("$") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#non_atomic_modifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#non_atomic_modifier , | state | { state . match_string ("!") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#tag_id (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#tag_id , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("#") . and_then (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha (state) }) }) . and_then (| state | { state . repeat (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha_num (state) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#node_tag (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { self :: r#tag_id (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#assignment_operator (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#expression (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#expression , | state | { state . sequence (| state | { state . optional (| state | { self :: r#choice_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#term (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { state . sequence (| state | { self :: r#infix_operator (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#term (state) }) }) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { state . sequence (| state | { self :: r#infix_operator (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#term (state) }) }) }) }) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#term (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#term , | state | { state . sequence (| state | { state . optional (| state | { self :: r#node_tag (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#prefix_operator (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#prefix_operator (state) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#node (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#postfix_operator (state) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#postfix_operator (state) }) }) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#node (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { self :: r#opening_paren (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#expression (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_paren (state) }) }) . or_else (| state | { self :: r#terminal (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#terminal (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#_push (state) . or_else (| state | { self :: r#peek_slice (state) }) . or_else (| state | { self :: r#identifier (state) }) . or_else (| state | { self :: r#string (state) }) . or_else (| state | { self :: r#insensitive_string (state) }) . or_else (| state | { self :: r#range (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#prefix_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#positive_predicate_operator (state) . or_else (| state | { self :: r#negative_predicate_operator (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#infix_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#sequence_operator (state) . or_else (| state | { self :: r#choice_operator (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#postfix_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#optional_operator (state) . or_else (| state | { self :: r#repeat_operator (state) }) . or_else (| state | { self :: r#repeat_once_operator (state) }) . or_else (| state | { self :: r#repeat_exact (state) }) . or_else (| state | { self :: r#repeat_min (state) }) . or_else (| state | { self :: r#repeat_max (state) }) . or_else (| state | { self :: r#repeat_min_max (state) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#positive_predicate_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#positive_predicate_operator , | state | { state . match_string ("&") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#negative_predicate_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#negative_predicate_operator , | state | { state . match_string ("!") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#sequence_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#sequence_operator , | state | { state . match_string ("~") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#choice_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#choice_operator , | state | { state . match_string ("|") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#optional_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#optional_operator , | state | { state . match_string ("?") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_operator , | state | { state . match_string ("*") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_once_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_once_operator , | state | { state . match_string ("+") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_exact (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_exact , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_min (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_min , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#comma (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_max (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_max , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#comma (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#repeat_min_max (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#repeat_min_max , | state | { state . sequence (| state | { self :: r#opening_brace (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#comma (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#number (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#number (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#number , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_range ('0' .. '9') . and_then (| state | { state . repeat (| state | { state . match_range ('0' .. '9') }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#integer (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#integer , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { self :: r#number (state) . or_else (| state | { state . sequence (| state | { state . match_string ("-") . and_then (| state | { state . repeat (| state | { state . match_string ("0") }) }) . and_then (| state | { state . match_range ('1' .. '9') }) . and_then (| state | { state . optional (| state | { self :: r#number (state) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#comma (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#comma , | state | { state . match_string (",") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#_push (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#_push , | state | { state . sequence (| state | { state . match_string ("PUSH") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#opening_paren (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#expression (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_paren (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#peek_slice (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#peek_slice , | state | { state . sequence (| state | { state . match_string ("PEEK") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#opening_brack (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . optional (| state | { self :: r#integer (state) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#range_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . optional (| state | { self :: r#integer (state) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#closing_brack (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#identifier (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#identifier , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . lookahead (false , | state | { state . match_string ("PUSH") }) . and_then (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha (state) }) }) . and_then (| state | { state . repeat (| state | { state . match_string ("_") . or_else (| state | { self :: r#alpha_num (state) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#alpha (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . match_range ('a' .. 'z') . or_else (| state | { state . match_range ('A' .. 'Z') }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#alpha_num (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { self :: r#alpha (state) . or_else (| state | { state . match_range ('0' .. '9') }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#string (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#string , | state | { state . sequence (| state | { self :: r#quote (state) . and_then (| state | { self :: r#inner_str (state) }) . and_then (| state | { self :: r#quote (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#insensitive_string (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#insensitive_string , | state | { state . sequence (| state | { state . match_string ("^") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#string (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#range (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#range , | state | { state . sequence (| state | { self :: r#character (state) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#range_operator (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#character (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#character (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#character , | state | { state . sequence (| state | { self :: r#single_quote (state) . and_then (| state | { self :: r#inner_chr (state) }) . and_then (| state | { self :: r#single_quote (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#inner_str (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#inner_str , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { let strings = ["\"" , "\\"] ; state . skip_until (& strings) . and_then (| state | { state . optional (| state | { state . sequence (| state | { self :: r#escape (state) . and_then (| state | { self :: r#inner_str (state) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#inner_chr (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#inner_chr , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { self :: r#escape (state) . or_else (| state | { self :: r#ANY (state) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#escape (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#escape , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("\\") . and_then (| state | { state . match_string ("\"") . or_else (| state | { state . match_string ("\\") }) . or_else (| state | { state . match_string ("r") }) . or_else (| state | { state . match_string ("n") }) . or_else (| state | { state . match_string ("t") }) . or_else (| state | { state . match_string ("0") }) . or_else (| state | { state . match_string ("'") }) . or_else (| state | { self :: r#code (state) }) . or_else (| state | { self :: r#unicode (state) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#code (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#code , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("x") . and_then (| state | { self :: r#hex_digit (state) }) . and_then (| state | { self :: r#hex_digit (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#unicode (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#unicode , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . sequence (| state | { state . match_string ("u") . and_then (| state | { self :: r#opening_brace (state) }) . and_then (| state | { state . sequence (| state | { self :: r#hex_digit (state) . and_then (| state | { self :: r#hex_digit (state) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) . and_then (| state | { state . optional (| state | { self :: r#hex_digit (state) }) }) }) }) . and_then (| state | { self :: r#closing_brace (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#hex_digit (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#hex_digit , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . match_range ('0' .. '9') . or_else (| state | { state . match_range ('a' .. 'f') }) . or_else (| state | { state . match_range ('A' .. 'F') }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#quote (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#quote , | state | { state . match_string ("\"") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#single_quote (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#single_quote , | state | { state . match_string ("'") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#range_operator (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#range_operator , | state | { state . match_string ("..") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#newline (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . match_string ("\n") . or_else (| state | { state . match_string ("\r\n") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#WHITESPACE (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . match_string (" ") . or_else (| state | { state . match_string ("\t") }) . or_else (| state | { self :: r#newline (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#line_comment (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { state . match_string ("//") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . lookahead (false , | state | { state . match_string ("/") . or_else (| state | { state . match_string ("!") }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { state . sequence (| state | { state . lookahead (false , | state | { self :: r#newline (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { state . sequence (| state | { state . lookahead (false , | state | { self :: r#newline (state) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) }) }) }) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#block_comment (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . sequence (| state | { state . match_string ("/*") . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . sequence (| state | { state . optional (| state | { self :: r#block_comment (state) . or_else (| state | { state . sequence (| state | { state . lookahead (false , | state | { state . match_string ("*/") }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) . and_then (| state | { state . repeat (| state | { state . sequence (| state | { super :: hidden :: skip (state) . and_then (| state | { self :: r#block_comment (state) . or_else (| state | { state . sequence (| state | { state . lookahead (false , | state | { state . match_string ("*/") }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) }) }) }) }) }) }) }) . and_then (| state | { super :: hidden :: skip (state) }) . and_then (| state | { state . match_string ("*/") }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#COMMENT (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: Atomic , | state | { self :: r#block_comment (state) . or_else (| state | { self :: r#line_comment (state) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#space (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . match_string (" ") . or_else (| state | { state . match_string ("\t") }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#grammar_doc (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#grammar_doc , | state | { state . sequence (| state | { state . match_string ("//!") . and_then (| state | { state . optional (| state | { self :: r#space (state) }) }) . and_then (| state | { self :: r#inner_doc (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#line_doc (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . atomic (:: pest :: Atomicity :: CompoundAtomic , | state | { state . rule (Rule :: r#line_doc , | state | { state . sequence (| state | { state . match_string ("///") . and_then (| state | { state . optional (| state | { self :: r#space (state) }) }) . and_then (| state | { self :: r#inner_doc (state) }) }) }) }) } # [inline] # [allow (non_snake_case , unused_variables)] pub fn r#inner_doc (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: r#inner_doc , | state | { state . atomic (:: pest :: Atomicity :: Atomic , | state | { state . repeat (| state | { state . sequence (| state | { state . lookahead (false , | state | { self :: r#newline (state) }) . and_then (| state | { self :: r#ANY (state) }) }) }) }) }) } # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn ANY (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . skip (1) } # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn EOI (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . rule (Rule :: EOI , | state | state . end_of_input ()) } # [inline] # [allow (dead_code , non_snake_case , unused_variables)] pub fn SOI (state : :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >>) -> :: pest :: ParseResult < :: std :: boxed :: Box < :: pest :: ParserState < '_ , Rule >> > { state . start_of_input () } } pub use self :: visible :: * ; } :: pest :: state (input , | state | { match rule { Rule :: r#grammar_rules => rules :: r#grammar_rules (state) , Rule :: r#grammar_rule => rules :: r#grammar_rule (state) , Rule :: r#assignment_operator => rules :: r#assignment_operator (state) , Rule :: r#opening_brace => rules :: r#opening_brace (state) , Rule :: r#closing_brace => rules :: r#closing_brace (state) , Rule :: r#opening_paren => rules :: r#opening_paren (state) , Rule :: r#closing_paren => rules :: r#closing_paren (state) , Rule :: r#opening_brack => rules :: r#opening_brack (state) , Rule :: r#closing_brack => rules :: r#closing_brack (state) , Rule :: r#modifier => rules :: r#modifier (state) , Rule :: r#silent_modifier => rules :: r#silent_modifier (state) , Rule :: r#atomic_modifier => rules :: r#atomic_modifier (state) , Rule :: r#compound_atomic_modifier => rules :: r#compound_atomic_modifier (state) , Rule :: r#non_atomic_modifier => rules :: r#non_atomic_modifier (state) , Rule :: r#tag_id => rules :: r#tag_id (state) , Rule :: r#node_tag => rules :: r#node_tag (state) , Rule :: r#expression => rules :: r#expression (state) , Rule :: r#term => rules :: r#term (state) , Rule :: r#node => rules :: r#node (state) , Rule :: r#terminal => rules :: r#terminal (state) , Rule :: r#prefix_operator => rules :: r#prefix_operator (state) , Rule :: r#infix_operator => rules :: r#infix_operator (state) , Rule :: r#postfix_operator => rules :: r#postfix_operator (state) , Rule :: r#positive_predicate_operator => rules :: r#positive_predicate_operator (state) , Rule :: r#negative_predicate_operator => rules :: r#negative_predicate_operator (state) , Rule :: r#sequence_operator => rules :: r#sequence_operator (state) , Rule :: r#choice_operator => rules :: r#choice_operator (state) , Rule :: r#optional_operator => rules :: r#optional_operator (state) , Rule :: r#repeat_operator => rules :: r#repeat_operator (state) , Rule :: r#repeat_once_operator => rules :: r#repeat_once_operator (state) , Rule :: r#repeat_exact => rules :: r#repeat_exact (state) , Rule :: r#repeat_min => rules :: r#repeat_min (state) , Rule :: r#repeat_max => rules :: r#repeat_max (state) , Rule :: r#repeat_min_max => rules :: r#repeat_min_max (state) , Rule :: r#number => rules :: r#number (state) , Rule :: r#integer => rules :: r#integer (state) , Rule :: r#comma => rules :: r#comma (state) , Rule :: r#_push => rules :: r#_push (state) , Rule :: r#peek_slice => rules :: r#peek_slice (state) , Rule :: r#identifier => rules :: r#identifier (state) , Rule :: r#alpha => rules :: r#alpha (state) , Rule :: r#alpha_num => rules :: r#alpha_num (state) , Rule :: r#string => rules :: r#string (state) , Rule :: r#insensitive_string => rules :: r#insensitive_string (state) , Rule :: r#range => rules :: r#range (state) , Rule :: r#character => rules :: r#character (state) , Rule :: r#inner_str => rules :: r#inner_str (state) , Rule :: r#inner_chr => rules :: r#inner_chr (state) , Rule :: r#escape => rules :: r#escape (state) , Rule :: r#code => rules :: r#code (state) , Rule :: r#unicode => rules :: r#unicode (state) , Rule :: r#hex_digit => rules :: r#hex_digit (state) , Rule :: r#quote => rules :: r#quote (state) , Rule :: r#single_quote => rules :: r#single_quote (state) , Rule :: r#range_operator => rules :: r#range_operator (state) , Rule :: r#newline => rules :: r#newline (state) , Rule :: r#WHITESPACE => rules :: r#WHITESPACE (state) , Rule :: r#line_comment => rules :: r#line_comment (state) , Rule :: r#block_comment => rules :: r#block_comment (state) , Rule :: r#COMMENT => rules :: r#COMMENT (state) , Rule :: r#space => rules :: r#space (state) , Rule :: r#grammar_doc => rules :: r#grammar_doc (state) , Rule :: r#line_doc => rules :: r#line_doc (state) , Rule :: r#inner_doc => rules :: r#inner_doc (state) , Rule :: EOI => rules :: EOI (state) } }) } } diff --git a/vendor/pest_meta/src/optimizer/mod.rs b/vendor/pest_meta/src/optimizer/mod.rs index b69163ed3..e1cc263bc 100644 --- a/vendor/pest_meta/src/optimizer/mod.rs +++ b/vendor/pest_meta/src/optimizer/mod.rs @@ -70,11 +70,13 @@ fn rule_to_optimized_rule(rule: Rule) -> OptimizedRule { Expr::Push(expr) => OptimizedExpr::Push(Box::new(to_optimized(*expr))), #[cfg(feature = "grammar-extras")] Expr::NodeTag(expr, tag) => OptimizedExpr::NodeTag(Box::new(to_optimized(*expr)), tag), - Expr::RepOnce(_) - | Expr::RepExact(..) - | Expr::RepMin(..) - | Expr::RepMax(..) - | Expr::RepMinMax(..) => unreachable!("No valid transformation to OptimizedRule"), + #[cfg(feature = "grammar-extras")] + Expr::RepOnce(expr) => OptimizedExpr::RepOnce(Box::new(to_optimized(*expr))), + #[cfg(not(feature = "grammar-extras"))] + Expr::RepOnce(_) => unreachable!("No valid transformation to OptimizedRule"), + Expr::RepExact(..) | Expr::RepMin(..) | Expr::RepMax(..) | Expr::RepMinMax(..) => { + unreachable!("No valid transformation to OptimizedRule") + } } } @@ -135,6 +137,9 @@ pub enum OptimizedExpr { Opt(Box<OptimizedExpr>), /// Matches an expression zero or more times, e.g. `e*` Rep(Box<OptimizedExpr>), + /// Matches an expression one or more times, e.g. `e+` + #[cfg(feature = "grammar-extras")] + RepOnce(Box<OptimizedExpr>), /// Continues to match expressions until one of the strings in the `Vec` is found Skip(Vec<String>), /// Matches an expression and pushes it to the stack, e.g. `push(e)` @@ -251,6 +256,77 @@ impl OptimizedExpr { } } +impl core::fmt::Display for OptimizedExpr { + fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { + match self { + OptimizedExpr::Str(s) => write!(f, "{:?}", s), + OptimizedExpr::Insens(s) => write!(f, "^{:?}", s), + OptimizedExpr::Range(start, end) => { + let start = start.chars().next().expect("Empty range start."); + let end = end.chars().next().expect("Empty range end."); + write!(f, "({:?}..{:?})", start, end) + } + OptimizedExpr::Ident(id) => write!(f, "{}", id), + OptimizedExpr::PeekSlice(start, end) => match end { + Some(end) => write!(f, "PEEK[{}..{}]", start, end), + None => write!(f, "PEEK[{}..]", start), + }, + OptimizedExpr::PosPred(expr) => write!(f, "&{}", expr.as_ref()), + OptimizedExpr::NegPred(expr) => write!(f, "!{}", expr.as_ref()), + OptimizedExpr::Seq(lhs, rhs) => { + let mut nodes = Vec::new(); + nodes.push(lhs); + let mut current = rhs; + while let OptimizedExpr::Seq(lhs, rhs) = current.as_ref() { + nodes.push(lhs); + current = rhs; + } + nodes.push(current); + let sequence = nodes + .iter() + .map(|node| format!("{}", node)) + .collect::<Vec<_>>() + .join(" ~ "); + write!(f, "({})", sequence) + } + OptimizedExpr::Choice(lhs, rhs) => { + let mut nodes = Vec::new(); + nodes.push(lhs); + let mut current = rhs; + while let OptimizedExpr::Choice(lhs, rhs) = current.as_ref() { + nodes.push(lhs); + current = rhs; + } + nodes.push(current); + let sequence = nodes + .iter() + .map(|node| format!("{}", node)) + .collect::<Vec<_>>() + .join(" | "); + write!(f, "({})", sequence) + } + OptimizedExpr::Opt(expr) => write!(f, "{}?", expr), + OptimizedExpr::Rep(expr) => write!(f, "{}*", expr), + #[cfg(feature = "grammar-extras")] + OptimizedExpr::RepOnce(expr) => write!(f, "{}+", expr), + OptimizedExpr::Skip(strings) => { + let strings = strings + .iter() + .map(|s| format!("{:?}", s)) + .collect::<Vec<_>>() + .join(" | "); + write!(f, "(!({}) ~ ANY)*", strings) + } + OptimizedExpr::Push(expr) => write!(f, "PUSH({})", expr), + #[cfg(feature = "grammar-extras")] + OptimizedExpr::NodeTag(expr, tag) => { + write!(f, "(#{} = {})", tag, expr) + } + OptimizedExpr::RestoreOnErr(expr) => core::fmt::Display::fmt(expr.as_ref(), f), + } + } +} + /// A top-down iterator over an `OptimizedExpr`. pub struct OptimizedExprTopDownIterator { current: Option<OptimizedExpr>, @@ -624,4 +700,393 @@ mod tests { assert_eq!(optimize(rules), optimized); } + + mod display { + use super::super::*; + /// In previous implementation of Display for OptimizedExpr + /// in commit 48e0a8bd3d43a17c1c78f099610b745d18ec0c5f (actually committed by me), + /// Str("\n") will be displayed as + /// " + /// " + /// + /// It will not break the compilation in normal use. + /// + /// But when I use it in automatically generating documents, + /// it will quite confusing and we'll be unable to distinguish \n and \r. + /// + /// And `cargo expand` will emit codes that can't be compiled, + /// for it expand `#[doc("...")]` to `/// ...`, + /// and when the document comment breaks the line, + /// it will be expanded into wrong codes. + #[test] + fn control_character() { + assert_eq!(OptimizedExpr::Str("\n".to_owned()).to_string(), "\"\\n\""); + assert_eq!( + OptimizedExpr::Insens("\n".to_owned()).to_string(), + "^\"\\n\"", + ); + assert_eq!( + OptimizedExpr::Range("\n".to_owned(), "\r".to_owned()).to_string(), + "('\\n'..'\\r')", + ); + assert_eq!( + OptimizedExpr::Skip(vec![ + "\n".to_owned(), + "\r".to_owned(), + "\n\r".to_owned(), + "\0".to_owned(), + ]) + .to_string(), + r#"(!("\n" | "\r" | "\n\r" | "\0") ~ ANY)*"#, + ); + + assert_ne!(OptimizedExpr::Str("\n".to_owned()).to_string(), "\"\n\""); + } + + #[test] + fn str() { + assert_eq!(OptimizedExpr::Str("a".to_owned()).to_string(), r#""a""#); + } + + #[test] + fn insens() { + assert_eq!(OptimizedExpr::Insens("a".to_owned()).to_string(), r#"^"a""#); + } + + #[test] + fn range() { + assert_eq!( + OptimizedExpr::Range("a".to_owned(), "z".to_owned()).to_string(), + r#"('a'..'z')"#, + ); + } + + #[test] + fn ident() { + assert_eq!(OptimizedExpr::Ident("a".to_owned()).to_string(), r#"a"#); + } + + #[test] + fn peek_slice() { + assert_eq!(OptimizedExpr::PeekSlice(0, None).to_string(), "PEEK[0..]"); + assert_eq!( + OptimizedExpr::PeekSlice(0, Some(-1)).to_string(), + "PEEK[0..-1]", + ); + assert_eq!( + OptimizedExpr::PeekSlice(2, Some(3)).to_string(), + "PEEK[2..3]", + ); + assert_eq!( + OptimizedExpr::PeekSlice(2, Some(-1)).to_string(), + "PEEK[2..-1]", + ); + assert_eq!(OptimizedExpr::PeekSlice(0, None).to_string(), "PEEK[0..]"); + } + + #[test] + fn pos_pred() { + assert_eq!( + OptimizedExpr::PosPred(Box::new(OptimizedExpr::NegPred(Box::new( + OptimizedExpr::Ident("a".to_owned()), + )))) + .to_string(), + "&!a", + ); + assert_eq!( + OptimizedExpr::PosPred(Box::new(OptimizedExpr::Choice( + Box::new(OptimizedExpr::Rep(Box::new(OptimizedExpr::Ident( + "a".to_owned(), + )))), + Box::new(OptimizedExpr::Str("a".to_owned())), + ))) + .to_string(), + r#"&(a* | "a")"#, + ); + assert_eq!( + OptimizedExpr::PosPred(Box::new(OptimizedExpr::RestoreOnErr(Box::new( + OptimizedExpr::NegPred(Box::new(OptimizedExpr::Ident("a".to_owned()))), + )))) + .to_string(), + "&!a", + ); + } + + #[test] + fn neg_pred() { + assert_eq!( + OptimizedExpr::NegPred(Box::new(OptimizedExpr::Ident("e".to_owned()))).to_string(), + r#"!e"#, + ); + assert_eq!( + OptimizedExpr::NegPred(Box::new(OptimizedExpr::Choice( + Box::new(OptimizedExpr::Push(Box::new(OptimizedExpr::Ident( + "a".to_owned(), + )))), + Box::new(OptimizedExpr::Str("a".to_owned())), + ))) + .to_string(), + r#"!(PUSH(a) | "a")"#, + ); + } + + #[test] + fn seq() { + assert_eq!( + OptimizedExpr::Seq( + Box::new(OptimizedExpr::Ident("e1".to_owned())), + Box::new(OptimizedExpr::Ident("e2".to_owned())), + ) + .to_string(), + r#"(e1 ~ e2)"#, + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Ident("e3".to_owned())), + )), + ) + .to_string(), + "(e1 ~ e2 ~ e3)", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 ~ e2 ~ e3 ~ e4)", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 ~ (e2 | (e3 ~ e4)))", + ); + assert_eq!( + Expr::Seq( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 ~ e2 ~ (e3 | e4))", + ); + assert_eq!( + OptimizedExpr::Seq( + Box::new(OptimizedExpr::Rep(Box::new(OptimizedExpr::Str( + "a".to_owned(), + )))), + Box::new(OptimizedExpr::Seq( + Box::new(OptimizedExpr::Ident("b".to_owned())), + Box::new(OptimizedExpr::Insens("c".to_owned())), + )), + ) + .to_string(), + r#"("a"* ~ b ~ ^"c")"#, + ); + assert_eq!( + OptimizedExpr::Seq( + Box::new(OptimizedExpr::PosPred(Box::new(OptimizedExpr::Range( + "a".to_owned(), + "z".to_owned(), + )))), + Box::new(OptimizedExpr::NegPred(Box::new(OptimizedExpr::Opt( + Box::new(OptimizedExpr::Range("A".to_owned(), "Z".to_owned())), + )))), + ) + .to_string(), + "(&('a'..'z') ~ !('A'..'Z')?)", + ); + } + + #[test] + fn choice() { + assert_eq!( + OptimizedExpr::Choice( + Box::new(OptimizedExpr::Ident("e1".to_owned())), + Box::new(OptimizedExpr::Ident("e2".to_owned())), + ) + .to_string(), + r#"(e1 | e2)"#, + ); + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Ident("e3".to_owned())), + )), + ) + .to_string(), + "(e1 | e2 | e3)", + ); + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 | e2 | e3 | e4)", + ); + assert_eq!( + Expr::Choice( + Box::new(Expr::Ident("e1".to_owned())), + Box::new(Expr::Seq( + Box::new(Expr::Ident("e2".to_owned())), + Box::new(Expr::Choice( + Box::new(Expr::Ident("e3".to_owned())), + Box::new(Expr::Ident("e4".to_owned())), + )), + )), + ) + .to_string(), + "(e1 | (e2 ~ (e3 | e4)))", + ); + assert_eq!( + OptimizedExpr::Choice( + Box::new(OptimizedExpr::Str("a".to_owned())), + Box::new(OptimizedExpr::Choice( + Box::new(OptimizedExpr::Push(Box::new(OptimizedExpr::Ident( + "b".to_owned(), + )))), + Box::new(OptimizedExpr::Insens("c".to_owned())), + )), + ) + .to_string(), + r#"("a" | PUSH(b) | ^"c")"#, + ); + } + + #[test] + fn opt() { + assert_eq!( + OptimizedExpr::Opt(Box::new(OptimizedExpr::Ident("e".to_owned()))).to_string(), + "e?", + ); + } + + #[test] + fn rep() { + assert_eq!( + OptimizedExpr::Rep(Box::new(OptimizedExpr::Ident("x".to_owned()))).to_string(), + "x*", + ); + assert_eq!( + OptimizedExpr::Rep(Box::new(OptimizedExpr::Range( + "0".to_owned(), + "9".to_owned(), + ))) + .to_string(), + "('0'..'9')*", + ); + } + + #[test] + #[cfg(feature = "grammar-extras")] + fn rep_once() { + assert_eq!( + OptimizedExpr::RepOnce(Box::new(OptimizedExpr::Ident("e".to_owned()))).to_string(), + "e+", + ); + assert_eq!( + OptimizedExpr::RepOnce(Box::new(OptimizedExpr::Range( + "0".to_owned(), + "9".to_owned(), + ))) + .to_string(), + "('0'..'9')+", + ); + } + + #[test] + fn skip() { + assert_eq!( + OptimizedExpr::Skip( + ["a", "bc"] + .into_iter() + .map(|s| s.to_owned()) + .collect::<Vec<_>>(), + ) + .to_string(), + r#"(!("a" | "bc") ~ ANY)*"#, + ); + } + + #[test] + fn push() { + assert_eq!( + OptimizedExpr::Push(Box::new(OptimizedExpr::Ident("e".to_owned()))).to_string(), + "PUSH(e)", + ); + } + + #[test] + #[cfg(feature = "grammar-extras")] + fn node_tag() { + assert_eq!( + OptimizedExpr::NodeTag( + Box::new(OptimizedExpr::Ident("expr".to_owned())), + "label".to_owned(), + ) + .to_string(), + r#"(#label = expr)"#, + ); + assert_eq!( + OptimizedExpr::NodeTag( + Box::new(OptimizedExpr::Ident("x".to_owned())), + "X".to_owned(), + ) + .to_string(), + r#"(#X = x)"#, + ); + assert_eq!( + OptimizedExpr::NodeTag( + Box::new(OptimizedExpr::Seq( + Box::new(OptimizedExpr::Ident("x".to_owned())), + Box::new(OptimizedExpr::Str("y".to_owned())), + )), + "X".to_owned(), + ) + .to_string(), + r#"(#X = (x ~ "y"))"#, + ); + } + + #[test] + fn restore_on_err() { + assert_eq!( + OptimizedExpr::RestoreOnErr(Box::new(OptimizedExpr::Ident("e".to_owned()))) + .to_string(), + "e", + ); + } + } } diff --git a/vendor/pest_meta/src/optimizer/unroller.rs b/vendor/pest_meta/src/optimizer/unroller.rs index e3c360d90..3c97b1ffb 100644 --- a/vendor/pest_meta/src/optimizer/unroller.rs +++ b/vendor/pest_meta/src/optimizer/unroller.rs @@ -15,6 +15,7 @@ pub fn unroll(rule: Rule) -> Rule { name, ty, expr: expr.map_bottom_up(|expr| match expr { + #[cfg(not(feature = "grammar-extras"))] Expr::RepOnce(expr) => Expr::Seq(expr.clone(), Box::new(Expr::Rep(expr))), Expr::RepExact(expr, num) => (1..num + 1) .map(|_| *expr.clone()) diff --git a/vendor/pest_meta/src/parser.rs b/vendor/pest_meta/src/parser.rs index a4e8d1b33..c1768e399 100644 --- a/vendor/pest_meta/src/parser.rs +++ b/vendor/pest_meta/src/parser.rs @@ -453,187 +453,182 @@ fn consume_expr<'i>( x => unreachable!("other rule: {:?}", x), }; - pairs.fold( - Ok(node), - |node: Result<ParserNode<'i>, Vec<Error<Rule>>>, pair| { - let node = node?; - - let node = match pair.as_rule() { - Rule::optional_operator => { - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::Opt(Box::new(node)), - span: start.span(&pair.as_span().end_pos()), - } + pairs.try_fold(node, |node: ParserNode<'i>, pair: Pair<'i, Rule>| { + let node = match pair.as_rule() { + Rule::optional_operator => { + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::Opt(Box::new(node)), + span: start.span(&pair.as_span().end_pos()), } - Rule::repeat_operator => { - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::Rep(Box::new(node)), - span: start.span(&pair.as_span().end_pos()), - } + } + Rule::repeat_operator => { + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::Rep(Box::new(node)), + span: start.span(&pair.as_span().end_pos()), } - Rule::repeat_once_operator => { - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::RepOnce(Box::new(node)), - span: start.span(&pair.as_span().end_pos()), - } + } + Rule::repeat_once_operator => { + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::RepOnce(Box::new(node)), + span: start.span(&pair.as_span().end_pos()), } - Rule::repeat_exact => { - let mut inner = pair.clone().into_inner(); - - inner.next().unwrap(); // opening_brace - - let number = inner.next().unwrap(); - let num = if let Ok(num) = number.as_str().parse::<u32>() { - num - } else { - return Err(vec![Error::new_from_span( - ErrorVariant::CustomError { - message: "number cannot overflow u32".to_owned(), - }, - number.as_span(), - )]); - }; - - if num == 0 { - let error: Error<Rule> = Error::new_from_span( - ErrorVariant::CustomError { - message: "cannot repeat 0 times".to_owned(), - }, - number.as_span(), - ); - - return Err(vec![error]); - } - - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::RepExact(Box::new(node), num), - span: start.span(&pair.as_span().end_pos()), - } + } + Rule::repeat_exact => { + let mut inner = pair.clone().into_inner(); + + inner.next().unwrap(); // opening_brace + + let number = inner.next().unwrap(); + let num = if let Ok(num) = number.as_str().parse::<u32>() { + num + } else { + return Err(vec![Error::new_from_span( + ErrorVariant::CustomError { + message: "number cannot overflow u32".to_owned(), + }, + number.as_span(), + )]); + }; + + if num == 0 { + let error: Error<Rule> = Error::new_from_span( + ErrorVariant::CustomError { + message: "cannot repeat 0 times".to_owned(), + }, + number.as_span(), + ); + + return Err(vec![error]); } - Rule::repeat_min => { - let mut inner = pair.clone().into_inner(); - - inner.next().unwrap(); // opening_brace - - let min_number = inner.next().unwrap(); - let min = if let Ok(min) = min_number.as_str().parse::<u32>() { - min - } else { - return Err(vec![Error::new_from_span( - ErrorVariant::CustomError { - message: "number cannot overflow u32".to_owned(), - }, - min_number.as_span(), - )]); - }; - - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::RepMin(Box::new(node), min), - span: start.span(&pair.as_span().end_pos()), - } + + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::RepExact(Box::new(node), num), + span: start.span(&pair.as_span().end_pos()), } - Rule::repeat_max => { - let mut inner = pair.clone().into_inner(); - - inner.next().unwrap(); // opening_brace - inner.next().unwrap(); // comma - - let max_number = inner.next().unwrap(); - let max = if let Ok(max) = max_number.as_str().parse::<u32>() { - max - } else { - return Err(vec![Error::new_from_span( - ErrorVariant::CustomError { - message: "number cannot overflow u32".to_owned(), - }, - max_number.as_span(), - )]); - }; - - if max == 0 { - let error: Error<Rule> = Error::new_from_span( - ErrorVariant::CustomError { - message: "cannot repeat 0 times".to_owned(), - }, - max_number.as_span(), - ); - - return Err(vec![error]); - } - - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::RepMax(Box::new(node), max), - span: start.span(&pair.as_span().end_pos()), - } + } + Rule::repeat_min => { + let mut inner = pair.clone().into_inner(); + + inner.next().unwrap(); // opening_brace + + let min_number = inner.next().unwrap(); + let min = if let Ok(min) = min_number.as_str().parse::<u32>() { + min + } else { + return Err(vec![Error::new_from_span( + ErrorVariant::CustomError { + message: "number cannot overflow u32".to_owned(), + }, + min_number.as_span(), + )]); + }; + + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::RepMin(Box::new(node), min), + span: start.span(&pair.as_span().end_pos()), } - Rule::repeat_min_max => { - let mut inner = pair.clone().into_inner(); - - inner.next().unwrap(); // opening_brace - - let min_number = inner.next().unwrap(); - let min = if let Ok(min) = min_number.as_str().parse::<u32>() { - min - } else { - return Err(vec![Error::new_from_span( - ErrorVariant::CustomError { - message: "number cannot overflow u32".to_owned(), - }, - min_number.as_span(), - )]); - }; - - inner.next().unwrap(); // comma - - let max_number = inner.next().unwrap(); - let max = if let Ok(max) = max_number.as_str().parse::<u32>() { - max - } else { - return Err(vec![Error::new_from_span( - ErrorVariant::CustomError { - message: "number cannot overflow u32".to_owned(), - }, - max_number.as_span(), - )]); - }; - - if max == 0 { - let error: Error<Rule> = Error::new_from_span( - ErrorVariant::CustomError { - message: "cannot repeat 0 times".to_owned(), - }, - max_number.as_span(), - ); - - return Err(vec![error]); - } - - let start = node.span.start_pos(); - ParserNode { - expr: ParserExpr::RepMinMax(Box::new(node), min, max), - span: start.span(&pair.as_span().end_pos()), - } + } + Rule::repeat_max => { + let mut inner = pair.clone().into_inner(); + + inner.next().unwrap(); // opening_brace + inner.next().unwrap(); // comma + + let max_number = inner.next().unwrap(); + let max = if let Ok(max) = max_number.as_str().parse::<u32>() { + max + } else { + return Err(vec![Error::new_from_span( + ErrorVariant::CustomError { + message: "number cannot overflow u32".to_owned(), + }, + max_number.as_span(), + )]); + }; + + if max == 0 { + let error: Error<Rule> = Error::new_from_span( + ErrorVariant::CustomError { + message: "cannot repeat 0 times".to_owned(), + }, + max_number.as_span(), + ); + + return Err(vec![error]); } - Rule::closing_paren => { - let start = node.span.start_pos(); - ParserNode { - expr: node.expr, - span: start.span(&pair.as_span().end_pos()), - } + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::RepMax(Box::new(node), max), + span: start.span(&pair.as_span().end_pos()), + } + } + Rule::repeat_min_max => { + let mut inner = pair.clone().into_inner(); + + inner.next().unwrap(); // opening_brace + + let min_number = inner.next().unwrap(); + let min = if let Ok(min) = min_number.as_str().parse::<u32>() { + min + } else { + return Err(vec![Error::new_from_span( + ErrorVariant::CustomError { + message: "number cannot overflow u32".to_owned(), + }, + min_number.as_span(), + )]); + }; + + inner.next().unwrap(); // comma + + let max_number = inner.next().unwrap(); + let max = if let Ok(max) = max_number.as_str().parse::<u32>() { + max + } else { + return Err(vec![Error::new_from_span( + ErrorVariant::CustomError { + message: "number cannot overflow u32".to_owned(), + }, + max_number.as_span(), + )]); + }; + + if max == 0 { + let error: Error<Rule> = Error::new_from_span( + ErrorVariant::CustomError { + message: "cannot repeat 0 times".to_owned(), + }, + max_number.as_span(), + ); + + return Err(vec![error]); } - rule => unreachable!("node: {:?}", rule), - }; - Ok(node) - }, - )? + let start = node.span.start_pos(); + ParserNode { + expr: ParserExpr::RepMinMax(Box::new(node), min, max), + span: start.span(&pair.as_span().end_pos()), + } + } + Rule::closing_paren => { + let start = node.span.start_pos(); + + ParserNode { + expr: node.expr, + span: start.span(&pair.as_span().end_pos()), + } + } + rule => unreachable!("node: {:?}", rule), + }; + + Ok(node) + })? } }; #[cfg(feature = "grammar-extras")] @@ -1471,11 +1466,11 @@ mod tests { #[test] fn ast() { - let input = r##" + let input = r#" /// This is line comment /// This is rule rule = _{ a{1} ~ "a"{3,} ~ b{, 2} ~ "b"{1, 2} | !(^"c" | PUSH('d'..'e'))?* } - "##; + "#; let pairs = PestParser::parse(Rule::grammar_rules, input).unwrap(); let ast = consume_rules_with_spans(pairs).unwrap(); |