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gobyexample/vendor/pygments/pygments/lexers/asm.py
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# -*- coding: utf-8 -*-
"""
pygments.lexers.asm
~~~~~~~~~~~~~~~~~~~
Lexers for assembly languages.
:copyright: Copyright 2006-2013 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, include, bygroups, using, DelegatingLexer
from pygments.lexers.compiled import DLexer, CppLexer, CLexer
from pygments.token import Text, Name, Number, String, Comment, Punctuation, \
Other, Keyword, Operator
__all__ = ['GasLexer', 'ObjdumpLexer','DObjdumpLexer', 'CppObjdumpLexer',
'CObjdumpLexer', 'LlvmLexer', 'NasmLexer', 'Ca65Lexer']
class GasLexer(RegexLexer):
"""
For Gas (AT&T) assembly code.
"""
name = 'GAS'
aliases = ['gas']
filenames = ['*.s', '*.S']
mimetypes = ['text/x-gas']
#: optional Comment or Whitespace
string = r'"(\\"|[^"])*"'
char = r'[a-zA-Z$._0-9@-]'
identifier = r'(?:[a-zA-Z$_]' + char + '*|\.' + char + '+)'
number = r'(?:0[xX][a-zA-Z0-9]+|\d+)'
tokens = {
'root': [
include('whitespace'),
(identifier + ':', Name.Label),
(r'\.' + identifier, Name.Attribute, 'directive-args'),
(r'lock|rep(n?z)?|data\d+', Name.Attribute),
(identifier, Name.Function, 'instruction-args'),
(r'[\r\n]+', Text)
],
'directive-args': [
(identifier, Name.Constant),
(string, String),
('@' + identifier, Name.Attribute),
(number, Number.Integer),
(r'[\r\n]+', Text, '#pop'),
(r'#.*?$', Comment, '#pop'),
include('punctuation'),
include('whitespace')
],
'instruction-args': [
# For objdump-disassembled code, shouldn't occur in
# actual assembler input
('([a-z0-9]+)( )(<)('+identifier+')(>)',
bygroups(Number.Hex, Text, Punctuation, Name.Constant,
Punctuation)),
('([a-z0-9]+)( )(<)('+identifier+')([-+])('+number+')(>)',
bygroups(Number.Hex, Text, Punctuation, Name.Constant,
Punctuation, Number.Integer, Punctuation)),
# Address constants
(identifier, Name.Constant),
(number, Number.Integer),
# Registers
('%' + identifier, Name.Variable),
# Numeric constants
('$'+number, Number.Integer),
(r"$'(.|\\')'", String.Char),
(r'[\r\n]+', Text, '#pop'),
(r'#.*?$', Comment, '#pop'),
include('punctuation'),
include('whitespace')
],
'whitespace': [
(r'\n', Text),
(r'\s+', Text),
(r'#.*?\n', Comment)
],
'punctuation': [
(r'[-*,.():]+', Punctuation)
]
}
def analyse_text(text):
if re.match(r'^\.(text|data|section)', text, re.M):
return True
elif re.match(r'^\.\w+', text, re.M):
return 0.1
class ObjdumpLexer(RegexLexer):
"""
For the output of 'objdump -dr'
"""
name = 'objdump'
aliases = ['objdump']
filenames = ['*.objdump']
mimetypes = ['text/x-objdump']
hex = r'[0-9A-Za-z]'
tokens = {
'root': [
# File name & format:
('(.*?)(:)( +file format )(.*?)$',
bygroups(Name.Label, Punctuation, Text, String)),
# Section header
('(Disassembly of section )(.*?)(:)$',
bygroups(Text, Name.Label, Punctuation)),
# Function labels
# (With offset)
('('+hex+'+)( )(<)(.*?)([-+])(0[xX][A-Za-z0-9]+)(>:)$',
bygroups(Number.Hex, Text, Punctuation, Name.Function,
Punctuation, Number.Hex, Punctuation)),
# (Without offset)
('('+hex+'+)( )(<)(.*?)(>:)$',
bygroups(Number.Hex, Text, Punctuation, Name.Function,
Punctuation)),
# Code line with disassembled instructions
('( *)('+hex+r'+:)(\t)((?:'+hex+hex+' )+)( *\t)([a-zA-Z].*?)$',
bygroups(Text, Name.Label, Text, Number.Hex, Text,
using(GasLexer))),
# Code line with ascii
('( *)('+hex+r'+:)(\t)((?:'+hex+hex+' )+)( *)(.*?)$',
bygroups(Text, Name.Label, Text, Number.Hex, Text, String)),
# Continued code line, only raw opcodes without disassembled
# instruction
('( *)('+hex+r'+:)(\t)((?:'+hex+hex+' )+)$',
bygroups(Text, Name.Label, Text, Number.Hex)),
# Skipped a few bytes
(r'\t\.\.\.$', Text),
# Relocation line
# (With offset)
(r'(\t\t\t)('+hex+r'+:)( )([^\t]+)(\t)(.*?)([-+])(0x' + hex + '+)$',
bygroups(Text, Name.Label, Text, Name.Property, Text,
Name.Constant, Punctuation, Number.Hex)),
# (Without offset)
(r'(\t\t\t)('+hex+r'+:)( )([^\t]+)(\t)(.*?)$',
bygroups(Text, Name.Label, Text, Name.Property, Text,
Name.Constant)),
(r'[^\n]+\n', Other)
]
}
class DObjdumpLexer(DelegatingLexer):
"""
For the output of 'objdump -Sr on compiled D files'
"""
name = 'd-objdump'
aliases = ['d-objdump']
filenames = ['*.d-objdump']
mimetypes = ['text/x-d-objdump']
def __init__(self, **options):
super(DObjdumpLexer, self).__init__(DLexer, ObjdumpLexer, **options)
class CppObjdumpLexer(DelegatingLexer):
"""
For the output of 'objdump -Sr on compiled C++ files'
"""
name = 'cpp-objdump'
aliases = ['cpp-objdump', 'c++-objdumb', 'cxx-objdump']
filenames = ['*.cpp-objdump', '*.c++-objdump', '*.cxx-objdump']
mimetypes = ['text/x-cpp-objdump']
def __init__(self, **options):
super(CppObjdumpLexer, self).__init__(CppLexer, ObjdumpLexer, **options)
class CObjdumpLexer(DelegatingLexer):
"""
For the output of 'objdump -Sr on compiled C files'
"""
name = 'c-objdump'
aliases = ['c-objdump']
filenames = ['*.c-objdump']
mimetypes = ['text/x-c-objdump']
def __init__(self, **options):
super(CObjdumpLexer, self).__init__(CLexer, ObjdumpLexer, **options)
class LlvmLexer(RegexLexer):
"""
For LLVM assembly code.
"""
name = 'LLVM'
aliases = ['llvm']
filenames = ['*.ll']
mimetypes = ['text/x-llvm']
#: optional Comment or Whitespace
string = r'"[^"]*?"'
identifier = r'([-a-zA-Z$._][-a-zA-Z$._0-9]*|' + string + ')'
tokens = {
'root': [
include('whitespace'),
# Before keywords, because keywords are valid label names :(...
(identifier + '\s*:', Name.Label),
include('keyword'),
(r'%' + identifier, Name.Variable),#Name.Identifier.Local),
(r'@' + identifier, Name.Variable.Global),#Name.Identifier.Global),
(r'%\d+', Name.Variable.Anonymous),#Name.Identifier.Anonymous),
(r'@\d+', Name.Variable.Global),#Name.Identifier.Anonymous),
(r'!' + identifier, Name.Variable),
(r'!\d+', Name.Variable.Anonymous),
(r'c?' + string, String),
(r'0[xX][a-fA-F0-9]+', Number),
(r'-?\d+(?:[.]\d+)?(?:[eE][-+]?\d+(?:[.]\d+)?)?', Number),
(r'[=<>{}\[\]()*.,!]|x\b', Punctuation)
],
'whitespace': [
(r'(\n|\s)+', Text),
(r';.*?\n', Comment)
],
'keyword': [
# Regular keywords
(r'(begin|end'
r'|true|false'
r'|declare|define'
r'|global|constant'
r'|private|linker_private|internal|available_externally|linkonce'
r'|linkonce_odr|weak|weak_odr|appending|dllimport|dllexport'
r'|common|default|hidden|protected|extern_weak|external'
r'|thread_local|zeroinitializer|undef|null|to|tail|target|triple'
r'|datalayout|volatile|nuw|nsw|nnan|ninf|nsz|arcp|fast|exact|inbounds'
r'|align|addrspace|section|alias|module|asm|sideeffect|gc|dbg'
r'|ccc|fastcc|coldcc|x86_stdcallcc|x86_fastcallcc|arm_apcscc'
r'|arm_aapcscc|arm_aapcs_vfpcc'
r'|cc|c'
r'|signext|zeroext|inreg|sret|nounwind|noreturn|noalias|nocapture'
r'|byval|nest|readnone|readonly'
r'|inlinehint|noinline|alwaysinline|optsize|ssp|sspreq|noredzone'
r'|noimplicitfloat|naked'
r'|type|opaque'
r'|eq|ne|slt|sgt|sle'
r'|sge|ult|ugt|ule|uge'
r'|oeq|one|olt|ogt|ole'
r'|oge|ord|uno|ueq|une'
r'|x'
# instructions
r'|add|fadd|sub|fsub|mul|fmul|udiv|sdiv|fdiv|urem|srem|frem|shl'
r'|lshr|ashr|and|or|xor|icmp|fcmp'
r'|phi|call|trunc|zext|sext|fptrunc|fpext|uitofp|sitofp|fptoui'
r'fptosi|inttoptr|ptrtoint|bitcast|select|va_arg|ret|br|switch'
r'|invoke|unwind|unreachable'
r'|malloc|alloca|free|load|store|getelementptr'
r'|extractelement|insertelement|shufflevector|getresult'
r'|extractvalue|insertvalue'
r')\b', Keyword),
# Types
(r'void|float|double|x86_fp80|fp128|ppc_fp128|label|metadata',
Keyword.Type),
# Integer types
(r'i[1-9]\d*', Keyword)
]
}
class NasmLexer(RegexLexer):
"""
For Nasm (Intel) assembly code.
"""
name = 'NASM'
aliases = ['nasm']
filenames = ['*.asm', '*.ASM']
mimetypes = ['text/x-nasm']
identifier = r'[a-zA-Z$._?][a-zA-Z0-9$._?#@~]*'
hexn = r'(?:0[xX][0-9a-fA-F]+|$0[0-9a-fA-F]*|[0-9]+[0-9a-fA-F]*h)'
octn = r'[0-7]+q'
binn = r'[01]+b'
decn = r'[0-9]+'
floatn = decn + r'\.e?' + decn
string = r'"(\\"|[^"\n])*"|' + r"'(\\'|[^'\n])*'|" + r"`(\\`|[^`\n])*`"
declkw = r'(?:res|d)[bwdqt]|times'
register = (r'r[0-9][0-5]?[bwd]|'
r'[a-d][lh]|[er]?[a-d]x|[er]?[sb]p|[er]?[sd]i|[c-gs]s|st[0-7]|'
r'mm[0-7]|cr[0-4]|dr[0-367]|tr[3-7]')
wordop = r'seg|wrt|strict'
type = r'byte|[dq]?word'
directives = (r'BITS|USE16|USE32|SECTION|SEGMENT|ABSOLUTE|EXTERN|GLOBAL|'
r'ORG|ALIGN|STRUC|ENDSTRUC|COMMON|CPU|GROUP|UPPERCASE|IMPORT|'
r'EXPORT|LIBRARY|MODULE')
flags = re.IGNORECASE | re.MULTILINE
tokens = {
'root': [
include('whitespace'),
(r'^\s*%', Comment.Preproc, 'preproc'),
(identifier + ':', Name.Label),
(r'(%s)(\s+)(equ)' % identifier,
bygroups(Name.Constant, Keyword.Declaration, Keyword.Declaration),
'instruction-args'),
(directives, Keyword, 'instruction-args'),
(declkw, Keyword.Declaration, 'instruction-args'),
(identifier, Name.Function, 'instruction-args'),
(r'[\r\n]+', Text)
],
'instruction-args': [
(string, String),
(hexn, Number.Hex),
(octn, Number.Oct),
(binn, Number),
(floatn, Number.Float),
(decn, Number.Integer),
include('punctuation'),
(register, Name.Builtin),
(identifier, Name.Variable),
(r'[\r\n]+', Text, '#pop'),
include('whitespace')
],
'preproc': [
(r'[^;\n]+', Comment.Preproc),
(r';.*?\n', Comment.Single, '#pop'),
(r'\n', Comment.Preproc, '#pop'),
],
'whitespace': [
(r'\n', Text),
(r'[ \t]+', Text),
(r';.*', Comment.Single)
],
'punctuation': [
(r'[,():\[\]]+', Punctuation),
(r'[&|^<>+*/%~-]+', Operator),
(r'[$]+', Keyword.Constant),
(wordop, Operator.Word),
(type, Keyword.Type)
],
}
class Ca65Lexer(RegexLexer):
"""
For ca65 assembler sources.
*New in Pygments 1.6.*
"""
name = 'ca65'
aliases = ['ca65']
filenames = ['*.s']
flags = re.IGNORECASE
tokens = {
'root': [
(r';.*', Comment.Single),
(r'\s+', Text),
(r'[a-z_.@$][\w.@$]*:', Name.Label),
(r'((ld|st)[axy]|(in|de)[cxy]|asl|lsr|ro[lr]|adc|sbc|cmp|cp[xy]'
r'|cl[cvdi]|se[cdi]|jmp|jsr|bne|beq|bpl|bmi|bvc|bvs|bcc|bcs'
r'|p[lh][ap]|rt[is]|brk|nop|ta[xy]|t[xy]a|txs|tsx|and|ora|eor'
r'|bit)\b', Keyword),
(r'\.[a-z0-9_]+', Keyword.Pseudo),
(r'[-+~*/^&|!<>=]', Operator),
(r'"[^"\n]*.', String),
(r"'[^'\n]*.", String.Char),
(r'\$[0-9a-f]+|[0-9a-f]+h\b', Number.Hex),
(r'\d+|%[01]+', Number.Integer),
(r'[#,.:()=]', Punctuation),
(r'[a-z_.@$][\w.@$]*', Name),
]
}
def analyse_text(self, text):
# comments in GAS start with "#"
if re.match(r'^\s*;', text, re.MULTILINE):
return 0.9