184 lines
7.3 KiB
Python
184 lines
7.3 KiB
Python
import color, 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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from mode.c import CTabber
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class JavaGrammar(Grammar):
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rules = [
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PatternRule(r'import', r'(?<=import ) *[a-zA-Z0-9_.*]+'),
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PatternRule(r'package', r'(?<=package ) *[a-zA-Z0-9_.*]+'),
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RegionRule(r'doccomment', '/\*\*', Grammar, '\*/'),
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RegionRule(r'comment', '/\*', Grammar, '\*/'),
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PatternRule(r'comment', r'//.*$'),
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PatternRule(r'keyword', r"(?:abstract|assert|boolean|break|byte|case|catch|char|class|continue|default|double|do|else|extends|finally|final|float|for|if|implements|import|instanceof|interface|int|long|native|new|package|private|protected|public|return|short|static|switch|super|synchronized|threadsafe|throws|throw|transient|try|void|while)(?![a-zA-Z_])"),
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PatternRule(r'java_label', r'[a-zA-Z_][a-zA-Z0-9_]*(?=:)'),
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PatternRule(r'java_builtin', r"(?:null|true|false|this)"),
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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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PatternRule(r"delimiter", r"->|\.|\(|\)|\[|\]|{|}|@|,|:|`|;|=|\?"),
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PatternRule(r"java_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"java_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'java_char', r"'.'|'\\.'|'\\[0-7]{3}'"),
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PatternRule(r"eol", r"\n$"),
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]
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class JavaTabber(CTabber):
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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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for t in highlighter.tokens[y]:
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if t.name == 'null':
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pass
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elif t.name == 'keyword':
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if t.string in ('class', 'interface'):
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return True
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elif t.string in ('public', 'private', 'protected', 'static',
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'final', 'native', 'synchronized', 'abstract',
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'threadsafe', 'transient'):
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pass
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else:
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return False
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else:
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return False
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return False
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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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currlvl = 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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w = self.mode.tabwidth
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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._peek_name() == 'cond':
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pass
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else:
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self._opt_append('cont', currlvl + w)
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return currlvl
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def _handle_other_token(self, currlvl, y, i):
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w = self.mode.tabwidth
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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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elif fqname == 'keyword':
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if token.string in ('do', 'else', 'for', 'if', 'while'):
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self._append('cond', currlvl + w)
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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 + w)
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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 + w)
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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 == 'eol' and
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token.string not in ('}', ';', '(', '{', '[', ',')):
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self._opt_append('cont', currlvl + w)
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return currlvl
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class Java(mode.Fundamental):
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modename = 'Java'
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extensions = ['.java']
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tabbercls = JavaTabber
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grammar = JavaGrammar
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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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'doccomment.start': ('red', 'default', 'bold'),
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'doccomment.end': ('red', 'default', 'bold'),
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'doccomment.null': ('red', 'default', 'bold'),
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'import': ('blue', 'default', 'bold'),
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'java_label': ('magenta', 'default', 'bold'),
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'java_builtin': ('magenta', 'default', 'bold'),
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'java_char': ('green', 'default', 'bold'),
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'java_integer': ('green', 'default', 'bold'),
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'java_float': ('green', 'default', 'bold'),
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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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install = Java.install
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