kage.sublime-syntax

%YAML 1.2
---
file_extensions:
  - kage
scope: source.kage

contexts:
  main:
    - include: keywords
    - include: types
    - include: builtins
    - include: functions
    - include: numbers
    - include: comments

  keywords:
    - match: '\b(package|var|func|if|else|for|return|true|false|nil)\b'
      scope: keyword.control.kage

  types:
    - match: '\b(bool|int|float|vec2|vec3|vec4|mat2|mat3|mat4)\b'
      scope: constant.language.kage

  builtins:
    - match: '\b(sin|cos|tan|asin|acos|atan|atan2|pow|exp|log|exp2|log2|sqrt|inversesqrt|abs|sign|floor|ceil|fract|mod|min|max|clamp|mix|step|smoothstep|length|distance|dot|bcross|normalize|faceforward|reflect|refract|transpose|dfdx|dfdy|fwidth)\b'
      scope: entity.name.tag.kage

  functions:
    - match: '(?<=func )([a-zA-Z][a-zA-Z0-9]+)(?=\()'
      scope: entity.name.function.kage
    - match: '[a-zA-Z][a-zA-Z0-9]+(?=\(.*\))'
      scope: support.function.kage

  numbers:
    - match: '(((\.\d+|0[xXbBoO][\dbBxXaAbBcCdDeEfF_]*|(?<=[^\w])\d+)\.{0,1}[\dbBxXaAbBcCdDeEfF_]*([eEpP][-+]{0,1}\d+))|((\.\d+|0[xXbBoO][\dbBxXaAbBcCdDeEfF_]*|(?<=[^\w])\d+)\.{0,1}[\dbBxXaAbBcCdDeEfF_]*))i{0,1}'
      scope: constant.numeric.kage

  comments:
    - match: ^/\* =(\s*.*?)\s*= \*/$\n?
      scope: comment.block.kage
      captures:
        1: meta.toc-list.banner.block.kage
    - match: /\*
      scope: punctuation.definition.comment.kage
      push:
        - meta_scope: comment.block.kage
        - match: \*/
          scope: punctuation.definition.comment.kage
          pop: true
        - match: ^\s*(\*)(?!/)
          captures:
            1: punctuation.definition.comment.kage
    - match: \*/(?!\*)
      scope: invalid.illegal.stray-comment-end.kage
    - match: ^// =(\s*.*?)\s*=\s*$\n?
      scope: comment.line.banner.kage
      captures:
        1: meta.toc-list.banner.line.kage
    - match: //
      scope: punctuation.definition.comment.kage
      push:
        - meta_scope: comment.line.double-slash.kage
        - match: '(\\)$\n'
          captures:
            1: punctuation.separator.continuation.kage
        - match: \n
          pop: true