%YAML 1.2
---
# http://www.sublimetext.com/docs/3/syntax.html
name: OCamlyacc
file_extensions:
  - mly
scope: source.ocamlyacc
contexts:
  main:
    - match: '(%{)\s*$'
      captures:
        1: punctuation.section.header.begin.ocamlyacc
      push:
        - meta_scope: meta.header.ocamlyacc
        - match: '^\s*(%})'
          captures:
            1: punctuation.section.header.end.ocamlyacc
          pop: true
        - include: scope:source.ocaml
    - match: '(?<=%})\s*$'
      push:
        - meta_scope: meta.declarations.ocamlyacc
        - match: (?:^)(?=%%)
          pop: true
        - include: comments
        - include: declaration-matches
    - match: (%%)\s*$
      captures:
        1: punctuation.section.rules.begin.ocamlyacc
      push:
        - meta_scope: meta.rules.ocamlyacc
        - match: ^\s*(%%)
          captures:
            1: punctuation.section.rules.end.ocamlyacc
          pop: true
        - include: comments
        - include: rules
    - include: scope:source.ocaml
    - include: comments
    - match: (’|‘|“|”)
      scope: invalid.illegal.unrecognized-character.ocaml
  comments:
    - match: /\*
      push:
        - meta_scope: comment.block.ocamlyacc
        - match: \*/
          pop: true
        - include: comments
    - match: '(?=[^\\])(")'
      push:
        - meta_scope: comment.block.string.quoted.double.ocamlyacc
        - match: '"'
          pop: true
        - match: '\\(x[a-fA-F0-9][a-fA-F0-9]|[0-2]\d\d|[bnrt''"\\])'
          scope: comment.block.string.constant.character.escape.ocamlyacc
  declaration-matches:
    - match: (%)(token)
      captures:
        1: keyword.other.decorator.token.ocamlyacc
        2: keyword.other.token.ocamlyacc
      push:
        - meta_scope: meta.token.declaration.ocamlyacc
        - match: ^\s*($|(^\s*(?=%)))
          pop: true
        - include: symbol-types
        - match: "[A-Z][A-Za-z0-9_]*"
          scope: entity.name.type.token.ocamlyacc
        - include: comments
    - match: (%)(left|right|nonassoc)
      captures:
        1: keyword.other.decorator.token.associativity.ocamlyacc
        2: keyword.other.token.associativity.ocamlyacc
      push:
        - meta_scope: meta.token.associativity.ocamlyacc
        - match: (^\s*$)|(^\s*(?=%))
          pop: true
        - match: "[A-Z][A-Za-z0-9_]*"
          scope: entity.name.type.token.ocamlyacc
        - match: "[a-z][A-Za-z0-9_]*"
          scope: entity.name.function.non-terminal.reference.ocamlyacc
        - include: comments
    - match: (%)(start)
      captures:
        1: keyword.other.decorator.start-symbol.ocamlyacc
        2: keyword.other.start-symbol.ocamlyacc
      push:
        - meta_scope: meta.start-symbol.ocamlyacc
        - match: (^\s*$)|(^\s*(?=%))
          pop: true
        - match: "[a-z][A-Za-z0-9_]*"
          scope: entity.name.function.non-terminal.reference.ocamlyacc
        - include: comments
    - match: (%)(type)
      captures:
        1: keyword.other.decorator.symbol-type.ocamlyacc
        2: keyword.other.symbol-type.ocamlyacc
      push:
        - meta_scope: meta.symbol-type.ocamlyacc
        - match: $\s*(?!%)
          pop: true
        - include: symbol-types
        - match: "[A-Z][A-Za-z0-9_]*"
          scope: entity.name.type.token.reference.ocamlyacc
        - match: "[a-z][A-Za-z0-9_]*"
          scope: entity.name.function.non-terminal.reference.ocamlyacc
        - include: comments
  precs:
    - match: '(%)(prec)\s+(([a-z][a-zA-Z0-9_]*)|(([A-Z][a-zA-Z0-9_]*)))'
      scope: meta.precedence.declaration
      captures:
        1: keyword.other.decorator.precedence.ocamlyacc
        2: keyword.other.precedence.ocamlyacc
        4: entity.name.function.non-terminal.reference.ocamlyacc
        5: entity.name.type.token.reference.ocamlyacc
  references:
    - match: "[a-z][a-zA-Z0-9_]*"
      scope: entity.name.function.non-terminal.reference.ocamlyacc
    - match: "[A-Z][a-zA-Z0-9_]*"
      scope: entity.name.type.token.reference.ocamlyacc
  rule-patterns:
    - match: ((?<!\||:)(\||:)(?!\||:))
      captures:
        0: punctuation.separator.rule.ocamlyacc
      push:
        - meta_scope: meta.rule-match.ocaml
        - match: \s*(?=\||;)
          pop: true
        - include: precs
        - include: semantic-actions
        - include: references
        - include: comments
  rules:
    - match: "[a-z][a-zA-Z_]*"
      captures:
        0: entity.name.function.non-terminal.ocamlyacc
      push:
        - meta_scope: meta.non-terminal.ocamlyacc
        - match: ;
          captures:
            0: punctuation.separator.rule.ocamlyacc
          pop: true
        - include: rule-patterns
  semantic-actions:
    - match: '[^\'']({)'
      captures:
        1: punctuation.definition.action.semantic.ocamlyacc
      push:
        - meta_scope: meta.action.semantic.ocamlyacc
        - match: "(})"
          captures:
            1: punctuation.definition.action.semantic.ocamlyacc
          pop: true
        - include: scope:source.ocaml
  symbol-types:
    - match: <
      captures:
        0: punctuation.definition.type-declaration.begin.ocamlyacc
      push:
        - meta_scope: meta.token.type-declaration.ocamlyacc
        - match: ">"
          captures:
            0: punctuation.definition.type-declaration.end.ocamlyacc
          pop: true
        - include: scope:source.ocaml