z80_rgbds.sublime-syntax

%YAML 1.2
---
name: Z80 Assembly (RGBDS)
file_extensions: [asm, s, inc]
scope: source.rgbds
variables:
  # macros, labels, constants etc: can't start w/ number, alphanum + underscore
  namingrule: '[a-zA-Z_][a-zA-Z_0-9\\@]*'
contexts:
  main:
    # stuff for the CPU
    - match: ^\s*(ld|ldi|ldd|ldh|push|pop|add|adc|sub|sbc|and|or|xor|cp|inc|dec|daa|cpl|rlca|rla|rrca|rra|rlc|rl|rrc|rr|sla|swap|sra|srl|bit|res|set|ccf|scf|nop|halt|stop|di|ei|jp|jr|call|ret|reti|rst)
      scope: keyword.rgbds
    - match: (af|bc|de|hl|sp|a|b|c|d|e|h)[\s,]
      scope: source.rgbds
      captures:
        1: variable.language.registers.rgbds

    # stuff for the assembler
    - match: (MACRO|ENDM|IF|ENDC|REPT|ENDR|DB|DW|DS|INCLUDE|INCBIN|SECTION|EQU|FAIL|PUSHO|OPT|WARN|SET|POPO)
      scope: support.function.rgbds
    - match: ^\s*(\.?{{namingrule}})\s*(\:)\s*$
      scope: meta.label.rgbds
      captures: # FIXME: using class and operator for colours, not semantically correct
        1: support.class.label.name.rgbds
        2: keyword.operator.label.colon.rgbds
    - match: ^\s*{{namingrule}}
      scope: entity.name.tag.rgbds # function
    - match: \b{{namingrule}}
      scope: entity.name.function.rgbds # FIXME: this is actualyl an identifier, using function to get the colour I want :D

    # misc stuff, some of these might be unnecessary
    - match: '"'
      scope: punctuation.definition.string.begin.rgbds
      push: double_quoted_string
    - match: ''''
      scope: punctuation.definition.string.begin.rgbds
      push: quoted_string
    - match: ;
      scope: punctuation.definition.comment.rgbds
      push: line_comment
    - match: '!|&|\*|\-|\+|~|/|\^'
      scope: keyword.operator.rgbds
    - match: \{|\}
      scope: meta.brace.curly.rgbds
    - match: \(|\)
      scope: meta.brace.round.rgbds
    - match: \[|\]
      scope: meta.brace.square.rgbds

    # numbers
    - match: '[0-9]'
      scope: constant.numeric.integer.decimal.rgbds
    - match: \$[0-9a-fA-F]+
      scope: constant.numeric.integer.hexadecimal.rgbds
    - match: '\%[01]+'
      scope: constant.numeric.integer.binary.rgbds


  double_quoted_string:
    - meta_scope: string.quoted.double.rgbds
    - match: \\.
      scope: constant.character.escape.rgbds
    - match: '"'
      scope: punctuation.definition.string.end.rgbds
      pop: true
  quoted_string:
    - meta_scope: string.quoted.double.rgbds
    - match: \\.
      scope: constant.character.escape.rgbds
    - match: ''''
      scope: punctuation.definition.string.end.rgbds
      pop: true
  line_comment:
    - meta_scope: comment.line.rgbds
    - match: $
      pop: true