Swift.sublime-syntax

%YAML 1.2
---
name: Swift
file_extensions: [swift, swiftinterface]
scope: source.swift
prototype:
  - include: main

contexts:
  main:
###################################################### COMMENTS
    - match: (//+\s+MARK:) ?(.*)
      scope: comment.line
      captures:
        1: punctuation.definition.comment
        2: meta.toc-list
    - match: (//+\s+TODO:) ?(.*)
      scope: comment.line
      captures:
        1: punctuation.definition.comment
        2: meta.toc-list
    - match: (//+\s+FIXME:) ?(.*)
      scope: comment.line
      captures:
        1: punctuation.definition.comment
        2: meta.toc-list
    - match: (//+).*(\n|$)
      scope: comment.line
      captures:
        1: punctuation.definition.comment
    - match: (/\*)
      scope: punctuation.definition.comment
      push: comment_block
###################################################### PRECOMPILED
    - match: ^\s*(#)(\w+)(.*)$
      captures:
       1: punctuation.definition.preprocessor meta.preprocessor.swift
       2: punctuation.definition.preprocessor meta.preprocessor.swift
###################################################### ENUMS
    - match: "(?:[^\\?\\!\\)\\\"\\w]|^)(\\.[a-zA-Z]\\w*)\\("
      captures:
       1: constant.language.enum
      push: enum
    - match: "(?<=[^\\?\\!\\)\\\"\\w]|^)(\\.[a-zA-Z]\\w*)"
      captures:
       1: constant.language.enum
###################################################### CONSTANTS
    - match: \btrue\b
      scope: constant.language.true
    - match: \bfalse\b
      scope: constant.language.false
    - match: \bnil\b
      scope: constant.language.nil
###################################################### NUMERICS
    - match: \b0[XOB]
      scope: invalid illegal.invalid
    - match: '0x([[:xdigit:]][[:xdigit:]_]*)((\.\g<1>)?[pP][-+]?\d[\d_]*)?'
      scope: constant.numeric.hex
    - match: 0o[0-7][0-7_]*
      scope: constant.numeric.octal
    - match: 0b[01][01_]*
      scope: constant.numeric.binary
    - match: '(\d[\d_]*)(\.\g<1>)([eE][-+]?\g<1>)?'
      scope: constant.numeric.float
    - match: '(\d[\d_]*)([eE][-+]?\g<1>)'
      scope: constant.numeric.float
    - match: '(\d[\d_]*)'
      scope: constant.numeric.decimal
###################################################### TYPES
    # class func
    - match: \b(class)\s+(?=func)
      scope: meta.function storage.type.function
    - match: \b(enum|class|struct|protocol|extension)\s+((\w+)\s*(:)\s+(\w+))
      scope: entity.name.type
      captures:
        1: keyword.entity
        2: entity.name.type
        3: support.class
        4: keyword.operator
        5: support.class
    - match: \b(enum|class|struct|protocol|extension)\s+(\w+)
      scope: entity.name.type
      captures:
        1: keyword.entity
        2: entity.name.type support.class
###################################################### KEYWORDS
    - match: \b(self|super)\b
      scope: keyword.variable
    - match: \b_\b
      scope: constant.language.other
    - match: \b(import)\b
      scope: keyword.other.import
###################################################### CONTROL
    - match: \b(if|where|else|for|in|is|as|while|switch|do|defer|repeat)\b
      scope: keyword.control
    - match: \b(break|fallthrough|guard|try|catch|throws?|rethrows|return|case|continue|default|didSet|willSet|get|set)\b
      scope: keyword.control
    - match: \b(async|await)\b
      scope: keyword.control
    - match: \b(some|any)\b
      scope: keyword.control
    - match: '#(available)\b'
      scope: keyword.control
###################################################### VARIABLES
    - match: \b(var|let|typealias|unowned)\b
      captures:
        1: keyword.variable
###################################################### STRING
    - match: '"""'
      push: string_multiline
    - match: '#"'
      push: string_raw_1
    - match: '##"'
      push: string_raw_2
    - match: '###"'
      push: string_raw_3
    - match: '"'
      push: string_double
###################################################### MODIFIERS
    - match: \b(weak|lazy|mutating|convenience|associatedtype|public|internal|private|fileprivate|final|static|override|required|prefix|postfix|infix|indirect|inout|open)\b
      scope: storage.modifier
    - match: '@\w+'
      scope: storage.type.decorator
###################################################### SUPPORT
    # "system" classes:
    - match: \b([A-Z]{2})\w+
      scope: support.class
    - match: \b(String|Array|Int\d*|Float|Double)\w+
      scope: support.class
    # user classes:
    - match: \b([A-Z])\w*
      scope: support.class
###################################################### FUNCTIONS
    - match: '\b(func|operator)\s+(\w+)\s*\('
      captures:
        1: storage.type.function
        2: entity.name.function variable.function
      push: function_params
    - match: '\b(deinit|init(\??))\s*\('
      captures:
        1: storage.type.function
        2: entity.name.function variable.function
      push: function_params
    - match: \b(func)\s+(\w+)
      captures:
        1: storage.type.function
        2: entity.name.function variable.function
    - match: \b(func|deinit|init(\??))\b
      scope: entity.name.type storage.type.function
###################################################### VARIABLES
    - match: '(\w+):'
      captures:
        1: variable.parameter
    - match: '\b\w+'
      scope: ''
    - match: '[-+=<>^$#@!~*\\|&?\/%.]*'
      scope: keyword.operator
    - match: '\('
      push: paren_expr
######################################################
  comment_block:
    - meta_scope: comment.block
    - match: /\*
      push: comment_block
    - match: \*/
      pop: true
  function_params:
    - include: main
    - meta_scope: meta.function meta.toc-list
    - match: '\)'
      pop: true
  string_multiline:
    - meta_scope: string.quoted.double string.quoted.multiline
    - match: \\\(
      scope: punctuation.section.embedded
      set: embedded_multiline
    - match: \\[ntr0\\"']
      scope: constant.character.escape.c
    - match: \\u{[[:xdigit:]]{1,8}}
      scope: constant.character.escape.c
    - match: \\\n
      scope: constant.character.escape.c
    - match: \\
      scope: invalid.illegal
    - match: '"""'
      pop: true
  string_raw_1:
    - meta_scope: string.quoted.double string.quoted.raw
    - match: \\\(
      scope: punctuation.section.embedded
      set: embedded_raw_1
    - match: \\[ntr0\\"']
      scope: constant.character.escape.c
    - match: \\u{[[:xdigit:]]{1,8}}
      scope: constant.character.escape.c
    - match: \\\n
      scope: constant.character.escape.c
    - match: \\
      scope: invalid.illegal
    - match: '"#'
      pop: true
  string_raw_2:
    - meta_scope: string.quoted.double string.quoted.raw
    - match: \\\(
      scope: punctuation.section.embedded
      set: embedded_raw_2
    - match: \\[ntr0\\"']
      scope: constant.character.escape.c
    - match: \\u{[[:xdigit:]]{1,8}}
      scope: constant.character.escape.c
    - match: \\\n
      scope: constant.character.escape.c
    - match: \\
      scope: invalid.illegal
    - match: '"##'
      pop: true
  string_raw_3:
    - meta_scope: string.quoted.double string.quoted.raw
    - match: \\\(
      scope: punctuation.section.embedded
      set: embedded_raw_3
    - match: \\[ntr0\\"']
      scope: constant.character.escape.c
    - match: \\u{[[:xdigit:]]{1,8}}
      scope: constant.character.escape.c
    - match: \\\n
      scope: constant.character.escape.c
    - match: \\
      scope: invalid.illegal
    - match: '"###'
      pop: true
  string_double:
    - meta_scope: string.quoted.double
    - match: \\\(
      scope: punctuation.section.embedded
      set: embedded_double
    - match: \\[ntr0\\"']
      scope: constant.character.escape.c
    - match: \\u{[[:xdigit:]]{1,8}}
      # Unicode scalar escape
      # feels like this needs a different scope
      scope: constant.character.escape.c
    - match: \\
      scope: invalid.illegal
    - match: '"'
      pop: true
  embedded_double:
    - include: main
    - match: \(
      push: nested
    - match: \)
      scope: punctuation.section.embedded
      set: string_double
  embedded_multiline:
    - include: main
    - match: \(
      push: nested
    - match: \)
      scope: punctuation.section.embedded
      set: string_multiline
  embedded_raw_1:
    - include: main
    - match: \(
      push: nested
    - match: \)
      scope: punctuation.section.embedded
      set: string_raw_1
  embedded_raw_2:
    - include: main
    - match: \(
      push: nested
    - match: \)
      scope: punctuation.section.embedded
      set: string_raw_2
  embedded_raw_3:
    - include: main
    - match: \(
      push: nested
    - match: \)
      scope: punctuation.section.embedded
      set: string_raw_3
  nested:
    - include: main
    - match: \(
      push: nested
    - match: \)
      pop: true
  paren_expr:
    - include: main
    - match: '\)'
      pop: true
  enum:
    - meta_scope: internal.enum
    - include: main
    - match: '\)'
      pop: true