protected override GenericLexParser <LexType, LexicalElement> .RuleSet GetPerseRules()
{
GenericLexParser <LexType, LexicalElement> .RuleSet ret = new GenericLexParser <LexType, LexicalElement> .RuleSet();
// 字句解析の設定．上から順にテストされる
ret.AddRule(@"^[0-9]+(\.[0-9]+)?", LexType.Number);
ret.AddRule("^\"([^\\\\]|\\\\.)*?\"", LexType.String);
ret.AddMultilineRule("^\"", "^([^\\\\]|\\\\.)*?\"", LexType.String);
ret.AddRule(@"^/\*([^*]*\*)+?/", LexType.Ignore);
ret.AddMultilineRule(@"^/\*", @"^([^*]*\*)+?/", LexType.Ignore);
ret.AddRule("^//.*", LexType.Ignore);
ret.AddRule(@"^\(", LexType.OpenPar);
ret.AddRule(@"^\)", LexType.ClosePar);
ret.AddRule(@"^\{", LexType.OpenBraces);
ret.AddRule(@"^\}", LexType.CloseBraces);
ret.AddRule(@"^\[", LexType.OpenBracket);
ret.AddRule(@"^\]", LexType.CloseBracket);
ret.AddRule(@"^<=", LexType.Le);
ret.AddRule(@"^<", LexType.Lt);
ret.AddRule(@"^>=", LexType.Ge);
ret.AddRule(@"^>", LexType.Gt);
ret.AddRule(@"^!=", LexType.Ne);
ret.AddRule(@"^==", LexType.Eq);
ret.AddRule(@"^!", LexType.Not);
ret.AddRule(@"^&&", LexType.And);
ret.AddRule(@"^\|\|", LexType.Or);
ret.AddRule(@"^\+=", LexType.PlusEqual);
ret.AddRule(@"^-=", LexType.MinusEqual);
ret.AddRule(@"^\*=", LexType.CrossEqual);
ret.AddRule(@"^/=", LexType.SlashEqual);
ret.AddRule(@"^%=", LexType.PercentEqual);
ret.AddRule(@"^=", LexType.Equal);
ret.AddRule(@"^\+\+", LexType.PlusPlus);
ret.AddRule(@"^--", LexType.MinusMinus);
ret.AddRule(@"^\+", LexType.Plus);
ret.AddRule(@"^,", LexType.Comma);
ret.AddRule(@"^-", LexType.Minus);
ret.AddRule(@"^\*", LexType.Cross);
ret.AddRule(@"^/", LexType.Slash);
ret.AddRule(@"^%", LexType.Percent);
ret.AddRule(@"^\?", LexType.Question);
ret.AddRule(@"^:", LexType.Colon);
ret.AddRule(@"^;", LexType.Semicolon);
ret.AddRule(@"^\.", LexType.Dot);
const string marks = @"""#$%&'()=^~\\|@`\[\{;+:*\]\},<.>/? \s ";
ret.AddRule("^[^-0-9" + marks + "][^-" + marks + "]*", LexType.Identifier);
ret.AddRule(@"^[\s ]+", LexType.Ignore);
return(ret);
}
protected override GenericLexParser <LexType, LexicalElement> .KeywordSet GetKeywords()
{
GenericLexParser <LexType, LexicalElement> .KeywordSet ret = new GenericLexParser <LexType, LexicalElement> .KeywordSet();
// キーワードの登録
ret.AddKeyword("params", LexType.Params);
ret.AddKeyword("readonly", LexType.Readonly);
ret.AddKeyword("var", LexType.Var);
ret.AddKeyword("true", LexType.True);
ret.AddKeyword("false", LexType.False);
ret.AddKeyword("null", LexType.Null);
ret.AddKeyword("if", LexType.If);
ret.AddKeyword("else", LexType.Else);
ret.AddKeyword("while", LexType.While);
ret.AddKeyword("for", LexType.For);
ret.AddKeyword("foreach", LexType.Foreach);
ret.AddKeyword("in", LexType.In);
ret.AddKeyword("do", LexType.Do);
ret.AddKeyword("break", LexType.Break);
ret.AddKeyword("continue", LexType.Continue);
ret.AddKeyword("return", LexType.Return);
ret.AddKeyword("func", LexType.Func);
return(ret);
}
