95 lines
4.9 KiB
Python
95 lines
4.9 KiB
Python
import color, mode2
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import lex
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from lex2 import Grammar, PatternRule, RegionRule
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# this might not be complete...
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# see http://gcc.gnu.org/onlinedocs/gcc-2.95.3/cpp_3.html#SEC44
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class MacroGrammar(Grammar):
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rules = [
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PatternRule(name='continued', pattern=r'.*\\ *$'),
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]
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class StringGrammar(Grammar):
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rules = [
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PatternRule(name=r'escaped', pattern=r'\\.'),
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]
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class CGrammar(Grammar):
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rules = [
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#PatternRule(name=r'macro1', pattern=r'#(?:define|import|include|undef)(?!=[a-zA-Z0-9_])'),
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RegionRule(
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name=r'macro2',
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start=r"#(?:assert|cpu|elif|else|error|endif|ident|ifdef|ifndef|if|include_next|line|machine|pragma|pragma_once|system|unassert|warning)(?!=[a-zA-Z0-9_])",
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grammar=Grammar(),
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end=r'(?<!\\) *$',
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),
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PatternRule(name=r'include', pattern=r'#include(?!=[a-zA-Z0-9_])'),
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PatternRule(name=r'header', pattern=r'<[-A-Za-z/0-9_\.]+>|"[-A-Za-z/0-9_\.]+"'),
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RegionRule(
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name=r'macro',
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start=r'#(?:assert|cpu|define|elif|else|error|endif|ident|ifdef|ifndef|if|import|include_next|line|machine|pragma|pragma_once|system|unassert|undef|warning)(?!=[a-zA-Z0-9_])',
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grammar=MacroGrammar(),
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end=r'(?:.*[^\\])?$',
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),
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PatternRule(name=r'label', pattern=r'[a-zA-Z_][a-zA-Z0-9_]*(?=:)'),
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RegionRule(name=r'comment1', start='/\*', grammar=Grammar(), end='\*/'),
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PatternRule(name=r'comment2', pattern=r'//.*$'),
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PatternRule(name=r'control', pattern=r"(?:break|case|continue|default|do|else|for|goto|if|return|switch|while)(?![a-zA-Z_])"),
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PatternRule(name=r'keyword', pattern=r"(?:auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while)(?![a-zA-z_])"),
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PatternRule(name=r'builtin', pattern=r"(?:NULL|TRUE|FALSE)"),
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PatternRule(name=r'identifier', pattern=r"[a-zA-Z_][a-zA-Z0-9_]*"),
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PatternRule(name=r"unop", pattern=r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
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PatternRule(name=r'binop', pattern=r"\+|<>|<<|<=|<|-|>>|>=|>|\*\*|&|\*|\||/|\^|==|//|~|!=|%"),
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# this is sketchy as hell
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PatternRule(name=r"delimiter", pattern=r"->|\.|\(|\)|\[|\]|{|}|@|,|:|`|;|=|\?"),
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PatternRule(name=r"integer", pattern=r"(?:0(?![x0-9])|[1-9][0-9]*|0[0-7]+|0[xX][0-9a-fA-F]+)[lL]?"),
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PatternRule(name=r"float", pattern=r"[0-9]+\.[0-9]*|\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+"),
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RegionRule(name=r'string', start='"', grammar=StringGrammar(), end='"'),
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PatternRule(name=r'char', pattern=r"'.'|'\\.'|'\\[0-7]{3}'")
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]
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class C(mode2.Fundamental):
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#tabbercls = CTabber
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grammar = CGrammar()
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opentoken = 'delimiter'
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetoken = 'delimiter'
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closetags = {')': '(', ']': '[', '}': '{'}
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def __init__(self, w):
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mode2.Fundamental.__init__(self, w)
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self.add_bindings('close-paren', (')',))
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self.add_bindings('close-brace', ('}',))
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self.add_bindings('close-bracket', (']',))
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self.colors = {
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'include': color.build('blue', 'default'),
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'header': color.build('green', 'default'),
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'macro.start': color.build('blue', 'default', 'bold'),
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'macro.continued': color.build('default', 'default', 'bold'),
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'macro.end': color.build('default', 'default', 'bold'),
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'control': color.build('blue', 'default', 'bold'),
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'keyword': color.build('cyan', 'default', 'bold'),
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'macro1': color.build('blue', 'default', 'bold'),
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'macro2': color.build('blue', 'default', 'bold'),
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'constant': color.build('magenta', 'default', 'bold'),
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'header': color.build('green', 'default', 'bold'),
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'label': color.build('magenta', 'default', 'bold'),
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'char': color.build('green', 'default'),
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'builtin': color.build('magenta', 'default', 'bold'),
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'comment1.start': color.build('red', 'default'),
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'comment1.end': color.build('red', 'default'),
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'comment1.null': color.build('red', 'default'),
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'comment2': color.build('red', 'default'),
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'string.start': color.build('green', 'default'),
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'string.escaped': color.build('green', 'default'),
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'string.null': color.build('green', 'default'),
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'string.end': color.build('green', 'default'),
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'macro comment': color.build('red', 'default'),
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'function name': color.build('blue', 'default'),
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'integer': color.build('green', 'default'),
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'float': color.build('green', 'default'),
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'bizzaro': color.build('magenta', 'green'),
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}
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def name(self):
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return "C"
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