Maple.sublime-syntax

%YAML 1.2
---
# See http://www.sublimetext.com/docs/3/syntax.html
file_extensions:
  - maple
scope: source.maple
contexts:
  main:

    - include: comments

    # Strings begin and end with quotes, and use backslashes as an escape
    # character
    - match: '"'
      scope: punctuation.definition.string.begin.maple
      push: double_quoted_string

    # Names begin and end with quotes, and use backslashes as an escape
    # character
    - match: '`'
      scope: punctuation.definition.name.begin.maple
      push: double_quoted_name

    # 36 Language Keywords 
    - match: '\b(assuming|break|by|catch|description|do|done|elif|else|end|error|export|fi|finally|for|from|global|if|in|local|module|next|od|option|options|proc|quit|read|return|save|stop|then|to|try|use|uses|while)\b'
      scope: keyword.control.maple

    # 11 operator keywords  
    - match: '\b(and|or|xor|not|implies|union|intersect|subset|minus|mod|assuming)\b'
      scope: keyword.operator.maple

    # operation symbols
    - match: ('|,|&|\*|\+|-|/|\^|@|@@|:=|:-|~|;|:|::|\|\||\.|\.\.|\$|->|%)
      scope: keyword.operator.arithmetic.maple
    - match: (=|<>|>|<|>=|<=)
      scope: keyword.operator.comparison.maple

    # Numbers
    - match: '\b(-)?[0-9.]+\b'
      scope: constant.numeric.maple

    # Symbolic Constants
    - match: '\b(Catalan|FAIL|false|gamma|I|infinity|NULL|Pi|true|undefined)\b'
      scape: constant.keyword.maple

  double_quoted_string:
    - meta_scope: string.quoted.double.maple
    - match: '\\.'
      scope: constant.character.escape.maple
    - match: '"'
      scope: punctuation.definition.string.end.maple
      pop: true

  double_quoted_name:
    - meta_scope: name.quoted.double.maple
    - match: '\\.'
      scope: constant.name_character.escape.maple
    - match: '`'
      scope: punctuation.definition.name.end.maple
      pop: true   


  # single and multi-line comments
  comments:
    - match: (#).*$\n?
      scope: comment.line.pound.maple
      captures:
        1: punctuation.definition.comment.maple
    - match: \(\*
      captures:
        0: punctuation.definition.comment.maple
      push:
        - meta_scope: comment.block.maple
        - match: \*\)
          captures:
            0: punctuation.definition.comment.maple
          pop: true
        - include: comments.nested
  comments.nested:
    - match: \(\*
      captures:
        0: punctuation.definition.comment.maple
      push:
        - meta_scope: comment.block.maple
        - match: \*\)
          captures:
            0: punctuation.definition.comment.maple
          pop: true
        - include: comments.nested