[antlr-interest] problem with literal match

[mzukowski at bco.com]

I vaguely remember a bug with cases and case-insensitive literals.  Try
making your literals upper case instead of lower, see if that works.

Monty 

> -----Original Message-----
> From: Ruslan Zasukhin [mailto:sunshine at public.kherson.ua]
> Sent: Wednesday, October 03, 2001 1:22 PM
> To: antlr-interest at yahoogroups.com
> Subject: Re: [antlr-interest] problem with literal match
> 
> 
> on 10/3/01 22:35, Ruslan Zasukhin at sunshine at public.kherson.ua wrote:
> 
> I wonder that may be problem is hidden that the next function 
> is EMPTY in
> generated code? 
> 
> void OBL_SQL_Lexer::initLiterals()
> {
> }
> 
> But then I wonder why I must init table of Literals by hands ???
> And how to do this ?
> I don't see nothing helpful in examples and docs.
> 
> 
> > Hi All,
> > 
> > I have in grammar rule as:
> > 
> > -------------------------------------------------
> > drop_table_statement
> > :    "drop"! "table"! table_name drop_behavior
> > ;
> > 
> > 
> > in generated parser I see that in table ANTLR put literals with ""
> > -------------------------------------------------
> > const char* OBL_SQL_Parser::tokenNames[] = {
> > "<0>",
> > "EOF",
> > ........       
> > "\"drop\"",
> > "\"table\"",
> > "\"cascade\"",
> > "\"restrict\"",
> > 0
> > };
> > 
> > 
> > Now I try to pass to Parser test string "DROP TABLE errors"
> > I see in debugger that function
> > 
> > int CharScanner::testLiteralsTable(int ttype) const
> > {
> > 
> STD::map<STD::string,int,CharScannerLiteralsLess>::const_iterator i =
> > literals.find(text);
> > if (i != literals.end())
> > ttype = (*i).second;
> > return ttype;
> > }
> > 
> > DO NOT FIND first word 'DROP' in my test string.
> > 
> > NOTES:
> > ** CASE is not sensitive.
> > ** I did try testLiterals as true so false.
> > 
> > WHERE IS PROBLEM ???
> 
> -- 
> Best regards,
> Ruslan Zasukhin
> 
> -------------------------
> Paradigma.
> 
> e-mail: ruslan at paradigmasoft.com
> web   : http://www.paradigmasoft.com
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