7e9bdcf059
Enumerate a set of special purposes for function arguments that general purpose code needs to know about. Some of these argument purposes will only appear in the signature of the current function, representing things the prologue and epilogues need to know about like the link register and callee-saved registers. Get rid of the 'inreg' argument flag. Arguments can be pre-assigned to a specific register instead.
73 lines
2.6 KiB
Python
73 lines
2.6 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('uext', 'sext'), 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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