74 lines
2.3 KiB
Ruby
74 lines
2.3 KiB
Ruby
# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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# Based on Chroma's NASM lexer implementation
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# https://github.com/alecthomas/chroma/blob/498eaa690f5ac6ab0e3d6f46237e547a8935cdc7/lexers/n/nasm.go
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module Rouge
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module Lexers
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class Nasm < RegexLexer
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title "Nasm"
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desc "Netwide Assembler"
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tag 'nasm'
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filenames '*.asm'
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mimetypes 'text/x-nasm'
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state :root do
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rule %r/^\s*%/, Comment::Preproc, :preproc
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mixin :whitespace
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mixin :punctuation
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rule %r/[a-z$._?][\w$.?#@~]*:/i, Name::Label
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rule %r/([a-z$._?][\w$.?#@~]*)(\s+)(equ)/i do
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groups Name::Constant, Keyword::Declaration, Keyword::Declaration
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push :instruction_args
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end
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rule %r/BITS|USE16|USE32|SECTION|SEGMENT|ABSOLUTE|EXTERN|GLOBAL|ORG|ALIGN|STRUC|ENDSTRUC|COMMON|CPU|GROUP|UPPERCASE|IMPORT|EXPORT|LIBRARY|MODULE/, Keyword, :instruction_args
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rule %r/(?:res|d)[bwdqt]|times/i, Keyword::Declaration, :instruction_args
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rule %r/[a-z$._?][\w$.?#@~]*/i, Name::Function, :instruction_args
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rule %r/[\r\n]+/, Text
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end
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state :instruction_args do
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rule %r/"(\\\\"|[^"\\n])*"|'(\\\\'|[^'\\n])*'|`(\\\\`|[^`\\n])*`/, Str
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rule %r/(?:0x[\da-f]+|$0[\da-f]*|\d+[\da-f]*h)/i, Num::Hex
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rule %r/[0-7]+q/i, Num::Oct
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rule %r/[01]+b/i, Num::Bin
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rule %r/\d+\.e?\d+/i, Num::Float
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rule %r/\d+/, Num::Integer
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mixin :punctuation
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rule %r/r\d[0-5]?[bwd]|[a-d][lh]|[er]?[a-d]x|[er]?[sb]p|[er]?[sd]i|[c-gs]s|st[0-7]|mm[0-7]|cr[0-4]|dr[0-367]|tr[3-7]/i, Name::Builtin
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rule %r/[a-z$._?][\w$.?#@~]*/i, Name::Variable
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rule %r/[\r\n]+/, Text, :pop!
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mixin :whitespace
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end
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state :preproc do
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rule %r/[^;\n]+/, Comment::Preproc
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rule %r/;.*?\n/, Comment::Single, :pop!
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rule %r/\n/, Comment::Preproc, :pop!
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end
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state :whitespace do
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rule %r/\n/, Text
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rule %r/[ \t]+/, Text
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rule %r/;.*/, Comment::Single
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end
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state :punctuation do
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rule %r/[,():\[\]]+/, Punctuation
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rule %r/[&|^<>+*\/%~-]+/, Operator
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rule %r/\$+/, Keyword::Constant
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rule %r/seg|wrt|strict/i, Operator::Word
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rule %r/byte|[dq]?word/i, Keyword::Type
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end
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end
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end
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end
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