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Better handling of comments in defines.

This commit is contained in:
steve 2003-02-02 23:54:35 +00:00
parent 9adbdcb7c5
commit a45803f00f
1 changed files with 27 additions and 6 deletions
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33
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) && !defined(macintosh)
#ident "$Id: lexor.lex,v 1.36 2002/11/08 00:04:16 steve Exp $"
#ident "$Id: lexor.lex,v 1.37 2003/02/02 23:54:35 steve Exp $"
#endif
# include "config.h"
@ -405,11 +405,32 @@ static void do_define()
define_continue_flag = 0;
/* FIXME: This strips trailing line comments out of the
definition. It's not adequate as the "//" may have been
quoted or commented, but it'll do for now. */
if(cp = strstr(yytext, "//"))
*cp = 0;
/* Look for comments in the definition, and remove them. The
"//" style comments go to the end of the line and terminate
the definition, but the multi-line comments are simply cut
out, and the define continues. */
cp = strchr(yytext, '/');
while (cp && *cp) {
if (cp[1] == '/') {
*cp = 0;
break;
}
if (cp[1] == '*') {
char*tail = strstr(cp+2, "*/");
if (tail == 0) {
fprintf(stderr, "%s:%u: Unterminated comment "
"in define\n", istack->path, istack->lineno);
*cp = 0;
break;
}
memmove(cp, tail+2, strlen(tail+2)+1);
continue;
}
cp = strchr(cp+1, '/');
}
/* Trim trailing white space. */
cp = yytext + strlen(yytext);