23ae70cacf
All values are now references into the value table, so drop the distinction between direct and table values. Direct values don't exist any more. Also remove the parser support for the 'vxNN' syntax. Only 'vNN' values can be parsed now.
74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Pygments lexer for Cretonne.
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from __future__ import absolute_import
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from pygments.lexer import RegexLexer, bygroups, words
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from pygments.token import Comment, String, Keyword, Whitespace, Number, Name
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from pygments.token import Operator, Punctuation, Text
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def keywords(*args):
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return words(args, prefix=r'\b', suffix=r'\b')
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class CretonneLexer(RegexLexer):
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name = 'Cretonne'
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aliases = ['cton']
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filenames = ['*.cton']
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tokens = {
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'root': [
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# Test header lines.
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(r'^(test|isa|set)(?:( +)([-\w]+)' +
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r'(?:(=)(?:(\d+)|(yes|no|true|false|on|off)|(\w+)))?)*' +
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r'( *)$',
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bygroups(Keyword.Namespace, Whitespace, Name.Attribute,
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Operator, Number.Integer, Keyword.Constant,
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Name.Constant, Whitespace)),
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# Comments with filecheck or other test directive.
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(r'(; *)([a-z]+:)(.*?)$',
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bygroups(Comment.Single, Comment.Special, Comment.Single)),
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# Plain comments.
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(r';.*?$', Comment.Single),
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# Strings are in double quotes, support \xx escapes only.
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(r'"([^"\\]+|\\[0-9a-fA-F]{2})*"', String),
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# A naked function name following 'function' is also a string.
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(r'\b(function)([ \t]+)(\w+)\b',
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bygroups(Keyword, Whitespace, String.Symbol)),
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# Numbers.
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(r'[-+]?0[xX][0-9a-fA-F]+', Number.Hex),
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(r'[-+]?0[xX][0-9a-fA-F]*\.[0-9a-fA-F]*([pP]\d+)?', Number.Hex),
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(r'[-+]?(\d+\.\d+([eE]\d+)?|s?NaN|Inf)', Number.Float),
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(r'[-+]?\d+', Number.Integer),
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# Known attributes.
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(keywords('align', 'aligntrap', 'uext', 'sext', 'inreg'),
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Name.Attribute),
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# Well known value types.
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(r'\b(b\d+|i\d+|f32|f64)(x\d+)?\b', Keyword.Type),
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# v<nn> = value
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# ss<nn> = stack slot
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# jt<nn> = jump table
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(r'(v|ss|jt)\d+', Name.Variable),
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# ebb<nn> = extended basic block
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(r'(ebb)\d+', Name.Label),
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# Match instruction names in context.
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(r'(=)( *)([a-z]\w*)',
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bygroups(Operator, Whitespace, Name.Function)),
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(r'^( *)([a-z]\w*\b)(?! *[,=])',
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bygroups(Whitespace, Name.Function)),
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# Other names: results and arguments
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(r'[a-z]\w*', Name),
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(r'->|=|:', Operator),
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(r'[{}(),.]', Punctuation),
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(r'[ \t]+', Text),
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],
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}
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def setup(app):
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"""Setup Sphinx extension."""
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app.add_lexer('cton', CretonneLexer())
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return {'version': '0.1'}
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