77 lines
3.8 KiB
Python
77 lines
3.8 KiB
Python
from mode import Fundamental
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from lex import Grammar, PatternRule, RegionRule, PatternMatchRule
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from mode.python import StringGrammar1, StringGrammar2, StringGrammar3, StringGrammar4
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from method import Method, arg
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from subprocess import Popen, PIPE, STDOUT
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chr1 = '[a-zA-Z_.?]'
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chr2 = '[a-zA-Z0-9_.?$#@~]'
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word = chr1 + chr2 + '*'
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class NasmGrammar(Grammar):
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rules = [
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PatternRule('comment', ';.*$'),
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RegionRule('comment', '%if +0', Grammar, r'%%endif'),
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# for use with ndisasm files
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PatternMatchRule('x', '^([0-9a-fA-F]{8})( )([0-9a-fA-F]+)', 'nasm.integer', 'spaces', 'nasm.address'),
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PatternRule('nasm.address', '^[0-9a-fA-F]{8} [0-9a-fA-F]+'),
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PatternRule('spaces', ' +'),
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PatternRule("nasm.integer", "(0[xX][0-9a-fA-F]+|0|[1-9][0-9]*|0[0-7]+)[lL]?"),
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PatternRule('nasm.register', "(?:eax|ebx|ecx|edx|ax|ah|al|bx|bh|bl|bp|cx|ch|cl|cmpsb|dh|di|dl|ds|dx|esi|es|edi|esp|ebp|si|sp|stosd)(?!" + chr2 + ")"),
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PatternRule('nasm.pseudo', "(?:a16|a32|byte|db|dd|do|dq|dt|dword|qword|tword|fs|gs|near|o16|o32|short)(?!" + chr2 + ")"),
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PatternRule('nasm.instruction', "(?:jg|jeq|jecxz|jne|ja|jmp|push|pushad|pushfd|call|ret|sub|adc|add|popad|popaw|popa|popfd|pop|call|and|arpl|bound|cwd|cdq|clc|cld|cli|cmp|cmpxchg|cpuid|das|dec|divpd|div|enter|leave|fadd|fld|fmul|fsqrt|fsub|fs|hlt|imul|inc|insb|insd|insw|ins|int|int3|in|jcxz|jc|jna|jnc|jnz|jo|js|jz|lea|lldt|loadsb|lock|loopne|movzx|movd|mov|mul|neg|not|nop|or|outsb|outsd|outsw|repe|retf|rol|sal|sar|sbb|scasw|shl|shr|shld|shrd|sldt|syscall|sysenter|sysexit|test|xchg|xadd|xor)(?!" + chr2 + ")"),
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PatternRule('nasm.macro', "\%(?:define|undef|assign|strlen|macro|endmacro|if|elif|else|endif|ifdef|ifndef|include|push|pop|stacksize)(?!" + chr2 + ")"),
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PatternRule('nasm.keyword', "(?:section|global|extern)(?!" + chr2 + ")"),
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PatternRule('nasm.prefix', "(?:dword|word|lock)(?!" + chr2 + ")"),
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PatternMatchRule('x', '(' + word + ')(:)', 'nasm.label', 'delimiter'),
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PatternRule("nasm.identifier", r'\$?' + word),
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PatternRule("nasm.float", r"[0-9]+\.[0-9]*|\.[0-9]+|([0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+"),
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PatternRule('delimiter', r'(?://|%%|<<|>>|[~!\.\*/%\-\+\(\)\[\],\|\^\&])'),
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# TODO: nasm strings seem like they are single-line only
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RegionRule('string', '"""', StringGrammar4, '"""'),
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RegionRule('string', "'''", StringGrammar3, "'''"),
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RegionRule('string', '"', StringGrammar2, '"'),
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RegionRule('string', "'", StringGrammar1, "'"),
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PatternRule('eol', '\n'),
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PatternRule('continuation', r'\\\n$'),
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]
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class NasmDisassembleFile(Method):
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args = [arg("path", dt='path', p="Path: "),
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arg('flags', p='Flags: ', dv=lambda w: '-b 16', ld=True)]
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def _execute(self, w, **vargs):
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p = Popen(['ndisasm', vargs['path']], stdout=PIPE, stderr=STDOUT)
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output = p.stdout.read()
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retval = p.wait()
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modename = None
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bufname = '*Disasm:%s*' % vargs['path']
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w.application.data_buffer(bufname, output, switch_to=True,
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modename=modename)
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class Nasm(Fundamental):
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name = 'nasm'
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extensions = ['.s']
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grammar = NasmGrammar
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commentc = ';'
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colors = {
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'nasm.address': ('cyan', 'default'),
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'nasm.pseudo': ('cyan', 'default'),
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'nasm.keyword': ('cyan', 'default'),
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'nasm.macro': ('blue', 'default'),
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'nasm.register': ('yellow', 'default'),
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'nasm.instruction': ('magenta', 'default'),
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'nasm.label': ('blue', 'default'),
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'nasm.integer': ('green', 'default'),
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}
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_bindings = {
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'close-paren': (')',),
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'close-brace': ('}',),
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'close-bracket': (']',),
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}
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actions = [NasmDisassembleFile]
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install = Nasm.install
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