chip8/chip8.sublime-syntax at main · vangroan/chip8 · GitHub

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%YAML 1.2
---
# Sublime Text Syntax for Chip8 Assembly
# See http://www.sublimetext.com/docs/syntax.html
name: Chip8
file_extensions:
  - asm
  - chip8
scope: source.chip8
contexts:
  main:
    # Strings begin and end with quotes, and use backslashes as an escape
    # character
    - match: '"'
      scope: punctuation.definition.string.begin.chip8
      push: double_quoted_string

    # Comments begin with a ';' and finish at the end of the line
    - match: ';'
      scope: punctuation.definition.comment.chip8
      push: line_comment

    # Keywords are if, else for and while.
    # 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(ADD|AND|CALL|CLS|DRW|DRAW|LD|JP|OR|SHL|SHR|SE|SNE|SKP|SKNP|SUB|SUBN|SYS|RAND|RET|XOR)\b'
      scope: keyword.chip8
    - match: '\b(add|and|call|cls|drw|draw|ld|jp|or|shl|shr|se|sne|skp|sknp|sub|subn|sys|rand|ret|xor)\b'
      scope: keyword.chip8

    # Registers
    - match: '\b(F|BCD|DT|I|K|ST)\b'
      scope: entity.name.chip8
    - match: '\b[vV][0-9a-fA-F]{1,2}\b' # V0-VF
      scope: variable.language.chip8

    # Numbers
    - match: '\b(-)?[0-9.]+\b'          # decimal
      scope: constant.numeric.chip8
    - match: '\b(-)?0x[a-fA-F0-9.]+\b'  # hexadecimal
      scope: constant.numeric.chip8
    - match: '\b(-)?0b[0-1.]+\b'        # binary
      scope: constant.numeric.chip8

    # Label Def
    # Must be the first thing on the line.
    # Can have an arbitrary number of spaces before and after the period.
    - match: '^\s*\.\s*[\w_]+\b'
      scope: entity.name.function

    # Label Access
    - match: '\.\s*[\w_]+\b'
      scope: variable.function.chip8


  double_quoted_string:
    - meta_scope: string.quoted.double.chip8
    - match: '\\.'
      scope: constant.character.escape.chip8
    - match: '"'
      scope: punctuation.definition.string.end.chip8
      pop: true

  line_comment:
    - meta_scope: comment.line.chip8
    - match: $
      pop: true