248 lines
10 KiB
Python
248 lines
10 KiB
Python
import os, re
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from subprocess import Popen, PIPE, STDOUT
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import color, default, method, mode, tab
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from lex import Grammar, PatternRule, RegionRule
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from mode.python import StringGrammar
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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', r'(?:(?<=#define )) *[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule(r"unop", r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
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PatternRule(r'binop', r"\+|<>|<<|<=|<|-|>>|>=|>|\*\*|&|\*|\||/|\^|==|//|~|!=|%"),
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PatternRule(r"delimiter", r"->|\.|\(|\)|\[|\]|{|}|@|,|:|`|;|=|\?"),
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PatternRule(r"integer", r"-?(?:0(?![x0-9])|[1-9][0-9]*|0[0-7]+|0[xX][0-9a-fA-F]+)[lL]?"),
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PatternRule(r"float", r"-?(?:[0-9]+\.[0-9]*|\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+)"),
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RegionRule(r'string', '"', StringGrammar, '"'),
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PatternRule(r'char', r"'.'|'\\.'|'\\[0-7]{3}'"),
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PatternRule(r"continued", r"\\\n$"),
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]
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class CGrammar(Grammar):
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rules = [
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PatternRule(r'include', r'#include(?!=[a-zA-Z0-9_])'),
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PatternRule(r'header', r'<[-A-Za-z/0-9_\.]+>|"[-A-Za-z/0-9_\.]+"'),
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RegionRule(r'macrocomment', r'#if +(?:0|NULL|FALSE)', Grammar, r'#endif'),
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RegionRule(r'macro', r'#(?:assert|cpu|define|elif|else|endif|error|ident|ifdef|ifndef|if|import|include_next|line|machine|pragma|pragma_once|system|unassert|undef|warning)(?!=[a-zA-Z0-9_])', MacroGrammar, r'\n$'),
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RegionRule(r'comment', '/\*', Grammar, '\*/'),
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PatternRule(r'comment', r'//.*$'),
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PatternRule(r'keyword', r"(?:auto|break|case|char|const|continue|default|double|do|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(r'label', r'[a-zA-Z_][a-zA-Z0-9_]*(?=:)'),
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PatternRule(r'structname', r'(?<=struct ) *[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule(r'enumname', r'(?<=enum ) *[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule(r'function', r'[a-zA-Z_][a-zA-Z0-9_]*(?= *\()'),
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PatternRule(r'builtin', r"(?:NULL|TRUE|FALSE)"),
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PatternRule(r'identifier', r"[a-zA-Z_][a-zA-Z0-9_]*"),
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PatternRule(r"unop", r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
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PatternRule(r'binop', r"\+|<>|<<|<=|<|-|>>|>=|>|\*\*|&|\*|\||/|\^|==|//|~|!=|%"),
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# this is sketchy as hell
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PatternRule(r"delimiter", r"->|\.|\(|\)|\[|\]|{|}|@|,|:|`|;|=|\?"),
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PatternRule(r"integer", r"(?:0(?![x0-9])|[1-9][0-9]*|0[0-7]+|0[xX][0-9a-fA-F]+)[lL]?"),
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PatternRule(r"float", r"[0-9]+\.[0-9]*|\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+"),
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RegionRule(r'string', '"', StringGrammar, '"'),
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PatternRule(r'char', r"'.'|'\\.'|'\\[0-7]{3}'"),
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PatternRule(r'spaces', r' +'),
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PatternRule(r'eol', r"\n$"),
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]
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class CTabber(tab.StackTabber):
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wst = ('spaces', 'eol', 'comment', 'comment.start', 'comment.null', 'comment.end')
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def token_is_whitespace(self, y, i):
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token = self.get_token(y, i)
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return token.fqname() in self.wst
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def is_base(self, y):
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if y == 0:
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return True
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highlighter = self.mode.window.buffer.highlights[self.mode.name()]
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if not highlighter.tokens[y]:
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return False
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# this assumes that people aren't gonna use these macros inside of
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# blocks, which is probably ok.
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t0 = highlighter.tokens[y][0]
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if t0.name == 'macro.start' and t0.string in ('#define', '#include'):
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return True
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# detecting function declarations is annoying; this assumes that people
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# won't put a variable type and name on different lines, but that they
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# might do that for function return type and name.
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#
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# unfortunately, valid function return types might include any of the
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# four types of tokens below
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decl = False
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for t in highlighter.tokens[y]:
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if t.name in ('keyword', 'identifier', 'structname', 'enumname'):
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decl = True
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continue
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if decl and t.name == 'function':
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break
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else:
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decl = False
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break
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if decl:
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return True
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return False
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def _handle_open_token(self, currlvl, y, i):
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self._opt_pop('cont')
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token = self.get_token(y, i)
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if token.string == '{':
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self._opt_pop('cond')
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self._opt_pop('cont')
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if self.is_leftmost_token(y, i):
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currlvl = self.get_curr_level()
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tab.StackTabber._handle_open_token(self, currlvl, y, i)
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return currlvl
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def _handle_close_token(self, currlvl, y, i):
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self._opt_pop('cont')
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currlvl = tab.StackTabber._handle_close_token(self, currlvl, y, i)
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token = self.get_token(y, i)
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if self.is_rightmost_token(y, i):
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if token.string == '}':
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self._opt_pop('cond')
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self._opt_pop('cont')
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elif self._has_markers() and self._peek_name() == 'cond':
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pass
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else:
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if token.fqname() != 'macro.delimiter':
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self._opt_append('cont', currlvl + 4)
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return currlvl
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def _handle_other_token(self, currlvl, y, i):
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token = self.get_token(y, i)
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fqname = token.fqname()
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if fqname == 'delimiter' and token.string == ';':
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self._opt_pop('cond')
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self._opt_pop('cont')
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self._opt_pop('cond')
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self._opt_pop('cont')
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elif fqname == 'keyword':
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if token.string in ('do', 'else', 'for', 'if', 'while'):
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self._append('cond', currlvl + 4)
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elif token.string == 'break':
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self._opt_pop('case', 'while', 'for')
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elif token.string == 'continue':
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self._opt_pop('while', 'for')
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elif token.string == 'case':
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self._opt_pop('case')
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currlvl = self.get_curr_level()
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self._opt_append('case', currlvl + 4)
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elif fqname == 'string.start':
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self._opt_append('string', None)
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elif fqname == 'string.end':
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self._opt_pop('string')
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if self.is_rightmost_token(y, i):
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self._opt_append('cont', currlvl + 4)
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# TODO: this could be a lot better
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elif fqname == 'macro':
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currlvl = 0
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elif fqname.startswith('macro.start'):
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self._opt_append('macro', None)
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currlvl = 0
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elif fqname.startswith('macro.end'):
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self._opt_pop('macro', None)
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elif fqname.startswith('macroblock.start'):
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self._opt_append('macroblock', None)
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currlvl = 0
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elif fqname.startswith('macroblock.end'):
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self._opt_pop('macroblock', None)
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if self.is_rightmost_token(y, i):
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if self._has_markers() and self._peek_name() == 'cond':
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pass
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elif(not fqname.startswith('string') and
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not fqname.startswith('comment') and
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not fqname.startswith('macro') and
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not fqname == 'delimiter' and
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not fqname == 'header' and
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#not fqname == 'null' and
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not fqname == 'spaces' and
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not fqname == 'eol' and
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token.string not in ('}', ';', '(', '{', '[', ',')):
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self._opt_append('cont', currlvl + 4)
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return currlvl
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class C(mode.Fundamental):
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modename = 'C'
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extensions = ['.c']
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tabbercls = CTabber
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grammar = CGrammar
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opentokens = ('delimiter',)
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetokens = ('delimiter',)
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closetags = {')': '(', ']': '[', '}': '{'}
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colors = {
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'macrocomment.start': ('red', 'default'),
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'macrocomment.null': ('red', 'default'),
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'macrocomment.end': ('red', 'default'),
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'macro': ('blue', 'default'),
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'macro.start': ('blue', 'default'),
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'macro.name': ('yellow', 'default'),
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'macro.null': ('magenta', 'default'),
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'macro.continued': ('red', 'default'),
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'macro.delimiter': ('default', 'default'),
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'macro.integer': ('green', 'default'),
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'macro.float': ('green', 'default'),
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'macro.char': ('green', 'default'),
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'macro.string.start': ('green', 'default'),
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'macro.string.escaped': ('magenta', 'default'),
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'macro.string.octal': ('magenta', 'default'),
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'macro.string.null': ('green', 'default'),
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'macro.string.end': ('green', 'default'),
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'macro.end': ('magenta', 'default'),
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'include': ('blue', 'default'),
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'header': ('green', 'default'),
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'structname': ('yellow', 'default'),
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'enumname': ('yellow', 'default'),
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}
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def __init__(self, w):
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mode.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.add_action_and_bindings(CMake(), ('C-c C-c',))
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self.add_action_and_bindings(CSetMake(), ('C-c M-m',))
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self.makecmd = "make"
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class CSetMake(method.Method):
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'''Set the path(s) to find perl modules'''
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args = [method.Argument("cmd", type=type(""), prompt="Make Cmd: ",
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default=default.build_constant("make"))]
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def _execute(self, w, **vargs):
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w.mode.makecmd = vargs['cmd']
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class CMake(method.Method):
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'''Check the syntax of the current python file'''
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def _execute(self, w, **vargs):
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p = Popen(w.mode.makecmd, stdout=PIPE)
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output = p.stdout.read()
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result = p.wait()
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status = os.WEXITSTATUS(result)
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if not os.WIFEXITED(result):
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err = True
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errmsg = "make: killed by signal %r" % os.WTERMSIG(result)
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elif status != 0:
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err = True
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errmsg = "make: failed with status %r" % status
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else:
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err = False
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errmsg = "make: OK (output in *CMake*)"
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w.application.data_buffer("*CMake*", output, switch_to=err)
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w.set_error(errmsg)
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install = C.install
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