%YAML 1.2
---
name: MACROSS Assembler
file_extensions: []
scope: source.asm.6502.macross


variables:
  ws: '[ \t]'
  ident: '[A-Za-z_][A-Za-z_0-9]*'

contexts:
  main:



    - match: '\b(?i:include)\b'
      scope: keyword.control.import

    - match: '\b(macro){{ws}}+({{ident}})\b'
      captures:
        1: keyword.control.import
        2: entitity.name.macro
      push:
        - match: '{'
          set: block
        - match: '\b{{ident}}\b'
          scope: variable.parameter

    - match: '\b(function){{ws}}+({{ident}})\b'
      captures:
        1: keyword.control.import
        2: entitity.name.function
      push:
        - match: '{'
          set: block
        - match: '\b{{ident}}\b'
          scope: variable.parameter

    - match: \bstruct(?=\s*{)
      scope: keyword
      set: [name_after_struct, block]

    - include: block
    - include: block-content




  name_after_struct:
    # - match: \n
    #   scope: invalid.illegal
    #   pop: true
    - include: comments
    - match: '{{ident}}'
      scope: entitity.name.struct
      pop: true
    - match: '[^ \t]+'
      scope: invalid.illegal
      pop: true


  while_after_mdo:
    # - match: \n
    #   scope: invalid.illegal
    #   pop: true
    - include: comments
    - match: '\b(?i:while|until)\b'
      scope: keyword.control.import
      pop: true
    - match: '[^ \t]+'
      scope: invalid.illegal
      pop: true


  block:
    - match: \{
      scope: invalid.illegal
      meta_content_scope: meta.block
      push: block
    - match: \}
      pop: true

    - include: block-content


  block-content:
    - include: comments
    - include: string
    - include: mnemonics-6502
    - include: mnemonics-65c02
    - include: numbers

    - match: '({{ident}}):'
      captures:
        1: entitity.name.label

    - match: '\b[AaXxYy]\b'
      scope: constant.language.register

    - match: '\b(?i:TRUE|FALSE|NULL|here)\b'
      scope: constant.language


      # data statement
    - match: \b(?i:block|align|word|long|dbyte|byte|string|struct)\b
      scope: storage.type

      # macro statements
      # c++ #if uses keyword.control.import
    - match: \b(?i:mdefine|mif|melse|melseif|mwhile|freturn|mfor|mswitch|mcase|mdefault|define|variable|undefine|function|macro)\b
      scope: keyword.control.import

      # mdo { block } while | until
    - match: \b(?i:mdo)
      scope: keyword.control.import
      set: [while_after_mdo, block]


    - match: '\b(?i:assert|constrain|define|do|else|elseif|extern|freturn|function|if|include|macro|mcase|mdefault|mdefine|mdo|melse|melseif|mfor|mif|mswitch|muntil|mvariable|mwhile|org|rel|start|target|undefine|until|variable|while|word)\b'
      scope: keyword

    - match: '\b(?i:always|carry|equal|geq|greater|gt|leq|less|lt|minus|negative|neq|never|not_carry|not_equal|not_overflow|not_zero|overflow|plus|positive|sgeq|sgt|sleq|slt|sneq|zero)\b'
      scope: keyword.condition


    - match: '\b(?i:addressMode|apply|arrayLength|atascii|atasciiColor|debugModeOff|debugModeOn|emitModeOff|emitModeOn|isAbsoluteValue|isARegister|isBlock|isBuiltInFunction|isConditionCode|isDefined|isDirectMode|isExternal|isField|isFunction|isImmediateMode|isIndexedMode|isIndirectMode|isPostIndexedMode|isPreIndexedMode|isRelocatableValue|isString|isStruct|isSymbol|isXIndexedMode|isXRegister|isYIndexedMode|isYRegister|listingOff|listingOn|makeArray|nthChar|printf|strcat|strcmp|strcmplc|strlen|substr|symbolDefine|symbolLookup|symbolName|symbolUsage|valueType)\b'
      scope: keyword




  string:
    - match: '"'
      scope: string
      push:
        - meta_scope: string
        - match: '\n'
          pop: true
          scope: invalid.illegal.newline
        - match: '[^"\n]|\\.'
        - match: '"'
          pop: true

  comments:
    - match: ';'
      push:
        - meta_scope: comment.line
        - match: '$'
          pop: true

    - match: '/\*'
      push:
        - meta_scope: comment.line
        - match: '\*/'
          pop: true

  mnemonics-6502:
    - match: \b(?i:ADC|AND|ASL|BCC|BCS|BEQ|BIT|BMI|BNE|BPL|BRK|BVC|BVS|CLC|CLD|CLI|CLV|CMP|CPX|CPY|DEC|DEX|DEY|EOR|INC|INX|INY|JMP|JSR|LDA|LDX|LDY|LSR|NOP|ORA|PHA|PHP|PLA|PLP|ROL|ROR|RTI|RTS|SBC|SEC|SED|SEI|STA|STX|STY|TAX|TAY|TSX|TXA|TXS|TYA)\b
      scope: keyword.mnemonic.6502

  mnemonics-65c02:
    - match: \b(?i:BRA|PHX|PHY|PLX|PLY|STP|STZ|TRB|TSB|WAI)\b
      scope: keyword.mnemonic.65c02

  numbers:
    - match: 0[0-7]+
      scope: constant.numeric.octal
    - match: 0[xX][0-9A-Fa-f]+
      scope: constant.numeric.hexadecimal
    - match: 0[qQ][0-3]+
      scope: constant.numeric.quarters
    - match: 0[bB][01]+
      scope: constant.numeric

    - match: \d+
      scope: constant.numeric

    - match: \'([^'\n]|\\.)\'
      scope: constant.character
    - match: \'.*$
      scope: invalid.illegal.constant.character