Hi List,
I have trace an error down to this part of yylex, that is called before the
reading starts.
if ( ! YY_CURRENT_BUFFER ) {
yyensure_buffer_stack (yyscanner);
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
}
The yyensure_buffer_stack(yyscanner) completes OK,
The yy_create_buffer( ... ) completes OK.
But the assignment to YY_CURRENT_BUFFER_LVALUE fails .
I can send the whole lex input and the generated output.
Anything else I can do to trace this ?
I have converted the scanner and parser into a reentrant model.
My bison parser gets started like this:
int pl1_parser(struct Pl1ParserParms *ppp)
{
#include "PL1Parser.h"
int rc;
if(ppp==NULL) printf("Parameter structure is not allocated");
/* set debug flags as needed */
/* initialize the reentrant scanner */
yyscan_t scanner;
rc=yylex_init( &scanner ); printf("yylex_init returned %i\n",rc);
yyset_in(ppp->inputFile,scanner);
yyset_debug(ppp->debugScanner,scanner);
yyset_extra((void *)ppp, scanner);
yydebug=ppp->debugParser;
//pl1pp_yydebug=ppp->debugScannerPreprocessor;
printf("pl11.c: starting parse. yydebug:%i, yy_flex_debug:
%i\n",yydebug,yyget_debug(scanner));
int option_debug_level=0;
/* do the parse */
rc=yyparse (scanner);
yylex_destroy( scanner );
return rc;
}
anything else I need to setup before calling yyparse ?
Thanks for your help
Henrik
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