int main(int argc, char **argv)
{
int i;
#ifdef NEED_ARGV_FIXUP
argv_fixup( &argc, &argv );
#endif
flexinit( argc, argv );
readin();
ntod();
for ( i = 1; i <= num_rules; ++i )
if ( ! rule_useful[i] && i != default_rule )
line_warning( _( "rule cannot be matched" ),
rule_linenum[i] );
if ( spprdflt && ! reject && rule_useful[default_rule] )
line_warning(
_( "-s option given but default rule can be matched" ),
rule_linenum[default_rule] );
/* Generate the C state transition tables from the DFA. */
make_tables();
/* Note, flexend does not return. It exits with its argument
* as status.
*/
flexend( 0 );
return 0; /* keep compilers/lint happy */
}
int flex_main (int argc, char *argv[])
{
int i, exit_status, child_status;
/* Set a longjmp target. Yes, I know it's a hack, but it gets worse: The
* return value of setjmp, if non-zero, is the desired exit code PLUS ONE.
* For example, if you want 'main' to return with code '2', then call
* longjmp() with an argument of 3. This is because it is invalid to
* specify a value of 0 to longjmp. FLEX_EXIT(n) should be used instead of
* exit(n);
*/
exit_status = setjmp (flex_main_jmp_buf);
if (exit_status){
if (stdout && !_stdout_closed && !ferror(stdout)){
fflush(stdout);
fclose(stdout);
}
while (wait(&child_status) > 0){
if (!WIFEXITED (child_status)
|| WEXITSTATUS (child_status) != 0){
/* report an error of a child
*/
if( exit_status <= 1 )
exit_status = 2;
}
}
return exit_status - 1;
}
flexinit (argc, argv);
readin ();
skelout ();
/* %% [1.5] DFA */
ntod ();
for (i = 1; i <= num_rules; ++i)
if (!rule_useful[i] && i != default_rule)
line_warning (_("rule cannot be matched"),
rule_linenum[i]);
if (spprdflt && !reject && rule_useful[default_rule])
line_warning (_
("-s option given but default rule can be matched"),
rule_linenum[default_rule]);
/* Generate the C state transition tables from the DFA. */
make_tables ();
/* Note, flexend does not return. It exits with its argument
* as status.
*/
flexend (0);
return 0; /* keep compilers/lint happy */
}
int main(int argc, char *argv[])
{
flexinit( argc, argv );
readin();
if ( syntaxerror )
flexend( 1 );
if ( yymore_really_used == REALLY_USED )
yymore_used = true;
else if ( yymore_really_used == REALLY_NOT_USED )
yymore_used = false;
if ( reject_really_used == REALLY_USED )
reject = true;
else if ( reject_really_used == REALLY_NOT_USED )
reject = false;
if ( performance_report )
{
if ( interactive )
fprintf( stderr,
"-I (interactive) entails a minor performance penalty\n" );
if ( yymore_used )
fprintf( stderr, "yymore() entails a minor performance penalty\n" );
if ( reject )
fprintf( stderr, "REJECT entails a large performance penalty\n" );
if ( variable_trailing_context_rules )
fprintf( stderr,
"Variable trailing context rules entail a large performance penalty\n" );
}
if ( reject )
real_reject = true;
if ( variable_trailing_context_rules )
reject = true;
if ( (fulltbl || fullspd) && reject )
{
if ( real_reject )
flexerror( "REJECT cannot be used with -f or -F" );
else
flexerror(
"variable trailing context rules cannot be used with -f or -F" );
}
ntod();
/* generate the C state transition tables from the DFA */
make_tables();
/* note, flexend does not return. It exits with its argument as status. */
flexend( 0 );
/*NOTREACHED*/
}
