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Add Lexer for NDISASM #933

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Feb 27, 2024
Merged

Add Lexer for NDISASM #933

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123 changes: 123 additions & 0 deletions lexers/embedded/ndisasm.xml
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<lexer>
<config>
<name>NDISASM</name>
<alias>ndisasm</alias>
<mime_type>text/x-disasm</mime_type>
<case_insensitive>true</case_insensitive>
<priority>0.5</priority> <!-- Lower than NASM -->
</config>
<rules>
<state name="root">
<rule pattern="^[0-9A-Za-z]+">
<token type="CommentSpecial"/>
<push state="offset"/>
</rule>
</state>
<state name="offset">
<rule pattern="[0-9A-Za-z]+">
<token type="CommentSpecial"/>
<push state="assembly"/>
</rule>
<rule>
<include state="whitespace"/>
</rule>
</state>
<state name="punctuation">
<rule pattern="[,():\[\]]+">
<token type="Punctuation"/>
</rule>
<rule pattern="[&amp;|^&lt;&gt;+*/%~-]+">
<token type="Operator"/>
</rule>
<rule pattern="[$]+">
<token type="KeywordConstant"/>
</rule>
<rule pattern="seg|wrt|strict">
<token type="OperatorWord"/>
</rule>
<rule pattern="byte|[dq]?word">
<token type="KeywordType"/>
</rule>
</state>
<state name="assembly">
<rule>
<include state="whitespace"/>
</rule>
<rule pattern="[a-z$._?][\w$.?#@~]*:">
<token type="NameLabel"/>
</rule>
<rule pattern="([a-z$._?][\w$.?#@~]*)(\s+)(equ)">
<bygroups>
<token type="NameConstant"/>
<token type="KeywordDeclaration"/>
<token type="KeywordDeclaration"/>
</bygroups>
<push state="instruction-args"/>
</rule>
<rule pattern="BITS|USE16|USE32|SECTION|SEGMENT|ABSOLUTE|EXTERN|GLOBAL|ORG|ALIGN|STRUC|ENDSTRUC|COMMON|CPU|GROUP|UPPERCASE|IMPORT|EXPORT|LIBRARY|MODULE">
<token type="Keyword"/>
<push state="instruction-args"/>
</rule>
<rule pattern="(?:res|d)[bwdqt]|times">
<token type="KeywordDeclaration"/>
<push state="instruction-args"/>
</rule>
<rule pattern="[a-z$._?][\w$.?#@~]*">
<token type="NameFunction"/>
<push state="instruction-args"/>
</rule>
<rule pattern="[\r\n]+">
<token type="Text"/>
<pop depth="2"/>
</rule>
</state>
<state name="instruction-args">
<rule pattern="&#34;(\\&#34;|[^&#34;\n])*&#34;|&#39;(\\&#39;|[^&#39;\n])*&#39;|`(\\`|[^`\n])*`">
<token type="LiteralString"/>
</rule>
<rule pattern="(?:0x[0-9a-f]+|$0[0-9a-f]*|[0-9]+[0-9a-f]*h)">
<token type="LiteralNumberHex"/>
</rule>
<rule pattern="[0-7]+q">
<token type="LiteralNumberOct"/>
</rule>
<rule pattern="[01]+b">
<token type="LiteralNumberBin"/>
</rule>
<rule pattern="[0-9]+\.e?[0-9]+">
<token type="LiteralNumberFloat"/>
</rule>
<rule pattern="[0-9]+">
<token type="LiteralNumberInteger"/>
</rule>
<rule>
<include state="punctuation"/>
</rule>
<rule pattern="r[0-9][0-5]?[bwd]|[a-d][lh]|[er]?[a-d]x|[er]?[sb]p|[er]?[sd]i|[c-gs]s|st[0-7]|mm[0-7]|cr[0-4]|dr[0-367]|tr[3-7]">
<token type="NameBuiltin"/>
</rule>
<rule pattern="[a-z$._?][\w$.?#@~]*">
<token type="NameVariable"/>
</rule>
<rule pattern="[\r\n]+">
<token type="Text"/>
<pop depth="3"/>
</rule>
<rule>
<include state="whitespace"/>
</rule>
</state>
<state name="whitespace">
<rule pattern="\n">
<token type="Text"/>
<pop depth="2"/>
</rule>
<rule pattern="[ \t]+">
<token type="Text"/>
</rule>
<rule pattern=";.*">
<token type="CommentSingle"/>
</rule>
</state>
</rules>
</lexer>
12 changes: 12 additions & 0 deletions lexers/testdata/ndisasm.actual
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00000000 B013 mov al,0x13
00000002 CD10 int 0x10
00000004 B9027D mov cx,0x7d02
00000007 51 push cx
00000008 6800A0 push word 0xa000
0000000B 07 pop es
0000000C B00F mov al,0xf
0000000E F3AA rep stosb
00000010 59 pop cx
00000011 B004 mov al,0x4
00000013 F3AA rep stosb
00000015 CD16 int 0x16
108 changes: 108 additions & 0 deletions lexers/testdata/ndisasm.expected
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[
{"type":"CommentSpecial","value":"00000000"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"B013"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"mov"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"al"},
{"type":"Punctuation","value":","},
{"type":"LiteralNumberHex","value":"0x13"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000002"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"CD10"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"int"},
{"type":"Text","value":" "},
{"type":"LiteralNumberHex","value":"0x10"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000004"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"B9027D"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"mov"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"cx"},
{"type":"Punctuation","value":","},
{"type":"LiteralNumberHex","value":"0x7d02"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000007"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"51"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"push"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"cx"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000008"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"6800A0"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"push"},
{"type":"Text","value":" "},
{"type":"KeywordType","value":"word"},
{"type":"Text","value":" "},
{"type":"LiteralNumberHex","value":"0xa000"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"0000000B"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"07"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"pop"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"es"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"0000000C"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"B00F"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"mov"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"al"},
{"type":"Punctuation","value":","},
{"type":"LiteralNumberHex","value":"0xf"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"0000000E"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"F3AA"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"rep"},
{"type":"Text","value":" "},
{"type":"NameVariable","value":"stosb"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000010"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"59"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"pop"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"cx"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000011"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"B004"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"mov"},
{"type":"Text","value":" "},
{"type":"NameBuiltin","value":"al"},
{"type":"Punctuation","value":","},
{"type":"LiteralNumberHex","value":"0x4"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000013"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"F3AA"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"rep"},
{"type":"Text","value":" "},
{"type":"NameVariable","value":"stosb"},
{"type":"Text","value":"\n"},
{"type":"CommentSpecial","value":"00000015"},
{"type":"Text","value":" "},
{"type":"CommentSpecial","value":"CD16"},
{"type":"Text","value":" "},
{"type":"NameFunction","value":"int"},
{"type":"Text","value":" "},
{"type":"LiteralNumberHex","value":"0x16"},
{"type":"Text","value":"\n"}
]