%YAML 1.2
---
# NotesCraft's own Elixir grammar. Original work written for this project; not copied
# from any other grammar. Regexes stay linear: no nested quantifiers, so nothing backtracks far.
# Strings end at their line unless the language allows multi-line ones.
name: Elixir
file_extensions: [ex, exs]
scope: source.elixir

contexts:
  main:
    - match: '#.*'
      scope: comment.line
    - match: '@\w+'
      scope: entity.other.attribute-name
    - match: '"""'
      scope: punctuation.definition.string.begin
      push: str-tdq
    - match: '"'
      scope: punctuation.definition.string.begin
      push: str-dq
    - match: ''''
      scope: punctuation.definition.string.begin
      push: str-sq
    - match: '\b(?:after|alias|and|case|catch|cond|def|defdelegate|defexception|defguard|defimpl|defmacro|defmodule|defp|defprotocol|defstruct|do|else|end|fn|for|if|import|in|not|or|quote|raise|receive|require|rescue|reraise|super|throw|try|unless|unquote|use|when|with)\b'
      scope: keyword.control
    - match: '\b(?:true|false|nil)\b'
      scope: constant.language
    - match: '\b(?:0[xX][0-9a-fA-F_]+|0[bB][01_]+|\d[\d_]*(?:\.\d[\d_]*)?(?:[eE][+-]?\d+)?)\b'
      scope: constant.numeric
    - match: '\b[A-Za-z_]\w*(?=\s*\()'
      scope: entity.name.function
    - match: '\b[A-Z][A-Za-z0-9_]*\b'
      scope: entity.name.type
    - match: '[-+*/%=<>!&|^~?:]+'
      scope: keyword.operator
  str-tdq:
    - meta_scope: string.quoted.triple
    - match: '\\.'
      scope: constant.character.escape
    - match: '"""'
      scope: punctuation.definition.string.end
      pop: true
  str-dq:
    - meta_scope: string.quoted.double
    - match: '\\.'
      scope: constant.character.escape
    - match: '"'
      scope: punctuation.definition.string.end
      pop: true
    - match: '(?=\n)'
      pop: true
  str-sq:
    - meta_scope: string.quoted.single
    - match: '\\.'
      scope: constant.character.escape
    - match: ''''
      scope: punctuation.definition.string.end
      pop: true
    - match: '(?=\n)'
      pop: true