import commands import color, mode, method, tab from lex import Grammar, PatternRule, RegionRule, OverridePatternRule from mode.python import StringGrammar1, StringGrammar2 class LuaGrammar(Grammar): rules = [ PatternRule(r'comment', r'--.*$'), PatternRule(r'spaces', r' +'), PatternRule(r'eol', r'\n'), RegionRule(r'string', r"'", StringGrammar1, r"'"), RegionRule(r'string', r'"', StringGrammar2, r'"'), PatternRule(r'keyword', r'(?:while|until|true|then|return|repeat|or|not|nil|local|in|if|function|for|false|end|elseif|else|do|break|and)(?![a-zA-Z0-9_])'), #PatternRule(r'function', r'[a-zA-Z_][a-zA-Z0-9_]*(?= *\()'), PatternRule(r'function', r'(?<=function )[a-zA-Z_][a-zA-Z0-9_]*'), #PatternRule(r'identifier', r'[a-zA-Z_][a-zA-Z0-9_]*'), PatternRule(r'lua_identifier', r'[a-zA-Z_][a-zA-Z0-9_]*'), PatternRule(r'delimiter', r'(?:[=(){}\[\];:,.])'), PatternRule(r'operator', r'(?:\.\.\.|\.\.|==|~=|<=|>=|<|>)'), PatternRule(r"integer", r"(?<![\.0-9a-zA-Z_])(?:0|-?[1-9][0-9]*|0[0-7]+|0[xX][0-9a-fA-F]+)[lL]?(?![\.0-9a-zA-Z_])"), PatternRule(r"float", r"(?<![\.0-9a-zA-Z_])(?:-?[0-9]+\.[0-9]*|-?\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|-?\.[0-9]+)[eE][\+-]?[0-9]+)(?![\.0-9a-zA-Z_])"), ] class LuaCheckSyntax(method.Method): '''Check the syntax of a lua file''' def _execute(self, w, **vargs): app = w.application cmd = "luac -p %r" % (w.buffer.path) (status, output) = commands.getstatusoutput(cmd) if status == 0: app.set_error("Syntax OK") app.data_buffer("*Lua-Check-Syntax*", output, switch_to=False) else: app.data_buffer("*Lua-Check-Syntax*", output) class Lua(mode.Fundamental): modename = 'Lua' extensions = ['.lua'] #tabbercls = mode.lisp.LispTabber grammar = LuaGrammar opentokens = ('delimiter',) opentags = {'(': ')', '[': ']', '{': '}'} closetokens = ('delimiter',) closetags = {')': '(', ']': '[', '}': '{'} colors = {} actions = [LuaCheckSyntax] def __init__(self, w): mode.Fundamental.__init__(self, w) self.add_bindings('close-paren', (')',)) self.add_bindings('close-brace', ('}',)) self.add_bindings('close-bracket', (']',)) self.add_bindings('lua-check-syntax', ('C-c s',)) install = Lua.install