ptx.pyā¢4.5 kB
"""
pygments.lexers.ptx
~~~~~~~~~~~~~~~~~~~
Lexer for other PTX language.
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, include, words
from pygments.token import Comment, Keyword, Name, String, Number, \
Punctuation, Whitespace, Operator
__all__ = ["PtxLexer"]
class PtxLexer(RegexLexer):
"""
For NVIDIA `PTX <https://docs.nvidia.com/cuda/parallel-thread-execution/>`_
source.
"""
name = 'PTX'
url = "https://docs.nvidia.com/cuda/parallel-thread-execution/"
filenames = ['*.ptx']
aliases = ['ptx']
mimetypes = ['text/x-ptx']
version_added = '2.16'
#: optional Comment or Whitespace
string = r'"[^"]*?"'
followsym = r'[a-zA-Z0-9_$]'
identifier = r'([-a-zA-Z$._][\w\-$.]*|' + string + ')'
block_label = r'(' + identifier + r'|(\d+))'
tokens = {
'root': [
include('whitespace'),
(block_label + r'\s*:', Name.Label),
include('keyword'),
(r'%' + identifier, Name.Variable),
(r'%\d+', Name.Variable.Anonymous),
(r'c?' + string, String),
(identifier, Name.Variable),
(r';', Punctuation),
(r'[*+-/]', Operator),
(r'0[xX][a-fA-F0-9]+', Number),
(r'-?\d+(?:[.]\d+)?(?:[eE][-+]?\d+(?:[.]\d+)?)?', Number),
(r'[=<>{}\[\]()*.,!]|x\b', Punctuation)
],
'whitespace': [
(r'(\n|\s+)+', Whitespace),
(r'//.*?\n', Comment)
],
'keyword': [
# Instruction keywords
(words((
'abs', 'discard', 'min', 'shf', 'vadd',
'activemask', 'div', 'mma', 'shfl', 'vadd2',
'add', 'dp2a', 'mov', 'shl', 'vadd4',
'addc', 'dp4a', 'movmatrix', 'shr', 'vavrg2',
'alloca', 'elect', 'mul', 'sin', 'vavrg4',
'and', 'ex2', 'mul24', 'slct', 'vmad',
'applypriority', 'exit', 'multimem', 'sqrt', 'vmax',
'atom', 'fence', 'nanosleep', 'st', 'vmax2',
'bar', 'fma', 'neg', 'stackrestore', 'vmax4',
'barrier', 'fns', 'not', 'stacksave', 'vmin',
'bfe', 'getctarank', 'or', 'stmatrix', 'vmin2',
'bfi', 'griddepcontrol', 'pmevent', 'sub', 'vmin4',
'bfind', 'isspacep', 'popc', 'subc', 'vote',
'bmsk', 'istypep', 'prefetch', 'suld', 'vset',
'bra', 'ld', 'prefetchu', 'suq', 'vset2',
'brev', 'ldmatrix', 'prmt', 'sured', 'vset4',
'brkpt', 'ldu', 'rcp', 'sust', 'vshl',
'brx', 'lg2', 'red', 'szext', 'vshr',
'call', 'lop3', 'redux', 'tanh', 'vsub',
'clz', 'mad', 'rem', 'testp', 'vsub2',
'cnot', 'mad24', 'ret', 'tex', 'vsub4',
'copysign', 'madc', 'rsqrt', 'tld4', 'wgmma',
'cos', 'mapa', 'sad', 'trap', 'wmma',
'cp', 'match', 'selp', 'txq', 'xor',
'createpolicy', 'max', 'set', 'vabsdiff', 'cvt',
'mbarrier', 'setmaxnreg', 'vabsdiff2', 'cvta',
'membar', 'setp', 'vabsdiff4')), Keyword),
# State Spaces and Suffixes
(words((
'reg', '.sreg', '.const', '.global',
'.local', '.param', '.shared', '.tex',
'.wide', '.loc'
)), Keyword.Pseudo),
# PTX Directives
(words((
'.address_size', '.explicitcluster', '.maxnreg', '.section',
'.alias', '.extern', '.maxntid', '.shared',
'.align', '.file', '.minnctapersm', '.sreg',
'.branchtargets', '.func', '.noreturn', '.target',
'.callprototype', '.global', '.param', '.tex',
'.calltargets', '.loc', '.pragma', '.version',
'.common', '.local', '.reg', '.visible',
'.const', '.maxclusterrank', '.reqnctapercluster', '.weak',
'.entry', '.maxnctapersm', '.reqntid')), Keyword.Reserved),
# Fundamental Types
(words((
'.s8', '.s16', '.s32', '.s64',
'.u8', '.u16', '.u32', '.u64',
'.f16', '.f16x2', '.f32', '.f64',
'.b8', '.b16', '.b32', '.b64',
'.pred'
)), Keyword.Type)
],
}