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Reduce the excessive line directives from macros.

This commit is contained in:
steve 1999-07-15 22:53:47 +00:00
parent ca920511b9
commit fe614647c5
1 changed files with 8 additions and 3 deletions
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11
ivlpp/lexor.lex
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@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: lexor.lex,v 1.8 1999/07/15 03:39:17 steve Exp $"
#ident "$Id: lexor.lex,v 1.9 1999/07/15 22:53:47 steve Exp $"
#endif
# include <stdio.h>
@ -459,6 +459,7 @@ static void do_include()
static int yywrap()
{
int line_mask_flag = 0;
struct include_stack_t*isp = istack;
istack = isp->next;
@ -470,8 +471,12 @@ static int yywrap()
/* If I am printing line directives and I just finished
macro substitution, I should terminate the line and
arrange for a new directive to be printed. */
if (line_direct_flag && istack->path)
if (line_direct_flag
&& istack && istack->path
&& strchr(isp->str, '\n'))
fprintf(yyout, "\n");
else
line_mask_flag = 1;
}
free(isp);
@ -480,7 +485,7 @@ static int yywrap()
yy_switch_to_buffer(istack->yybs);
if (line_direct_flag && istack->path)
if (line_direct_flag && istack->path && !line_mask_flag)
fprintf(yyout, "#line \"%s\" %u\n", istack->path, istack->lineno);
return 0;
}