f116f03327
The single entry block in a function is simply the first block in the layout. Remove the 'entry' keyword from the textual IL, the lexer and parser.
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Pygments lexer for Cretonne.
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from pygments.lexer import RegexLexer, bygroups, words
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from pygments.token import *
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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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(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', 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+)?|[sq]NaN|Inf)', Number.Float),
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(r'[-+]?\d+', Number.Integer),
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# Reserved words.
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(keywords('function'), Keyword),
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# Known attributes.
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(keywords('align', 'aligntrap', 'uext', 'sext', 'inreg'), 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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(r'(v|ss)\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*)', bygroups(Operator, Whitespace, Name.Function)),
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(r'^( *)([a-z]\w*\b)(?! *[,=])', 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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