faust.sublime-syntax

%YAML 1.2
---
# See http://www.sublimetext.com/docs/3/syntax.html
name: faust
file_extensions:
  - dsp
  - lib
scope: source.faust

contexts:
  # The prototype context is prepended to all contexts but those setting
  # meta_include_prototype: false.
  prototype:
    - include: comments

  main:
    # The main context is the initial starting point of our syntax.
    # Include other contexts from here (or specify them directly).
    - include: keywords
    - include: numbers
    - include: strings
    - include: operators
    - include: imports
    - include: variables
    - include: constants
    - include: primitives
    - include: gui


  keywords:
    # Note that blackslashes don't need to be escaped within single quoted
    # strings in YAML. When using single quoted strings, only single quotes
    # need to be escaped: this is done by using two single quotes next to each
    # other.
    - match: '\b(float|int)\b'
      scope: keyword.control.faust

  primitives:
    - match: '\b(mem|prefix|int|float|rdtable|rwtable|select2|select3|ffunction|fconstant|fvariable|acos|asin|atan|atan2|cos|sin|tan|exp|log|log10|pow|sqrt|abs|fabsf|min|max|fmod|remainder|floor|ceil|rint)\b'
      scope: variable.language.faust

  gui:
    - match: '\b(button|checkbox|vslider|hslider|nentry|vgroup|hgroup|tgroup|vbargraph|hbargraph|attach)\b'
      scope: variable.language.faust

  imports:
    - match: '\b(import|declare|library|component|environment)\b'
      scope: keyword.import.faust

  variables:
    - match: '\b(process)\b'
      scope: variable.language.faust

  constants:
    - match: '\b[A-Z_]*\b'
      scope: constant.language.faust

  operators:
    - match: '\b(with|letrec|case|seq|par|sum|prod|~|:|!|%|&|\*|\-|\+|==|=|!=|!=|<=|<!|>=|<|>|!|&&|\|\|)\b'
      scope: keyword.operator.faust

  numbers:
    - match: '\b(-)?[0-9.]+\b'
      scope: constant.numeric.faust

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

  inside_string:
    - meta_include_prototype: false
    - meta_scope: string.quoted.double.faust
    - match: '\.'
      scope: constant.character.escape.faust
    - match: '"'
      scope: punctuation.definition.string.end.faust
      pop: true

  comments:
    # Comments begin with a '//' and finish at the end of the line.
    - match: '//'
      scope: punctuation.definition.comment.faust
      push:
        # This is an anonymous context push for brevity.
        - meta_scope: comment.line.double-slash.faust
        - match: $\n?
          pop: true