char *stringLiteral();
char *currFname;
-extern int lineno ;
+extern int lineno, column;
extern char *filename ;
extern char *fullSrcFileName ;
int yylineno = 1 ;
void count() ;
-void comment();
int process_pragma(char *);
#undef yywrap
}
*asmp++ = '\n' ;
}
-"/*" { comment(); }
"at" { count(); TKEYWORD(AT) ; }
"auto" { count(); return(AUTO); }
"bit" { count(); TKEYWORD(BIT) ; }
"\r\n" { count(); }
"\n" { count(); }
[ \t\v\f] { count(); }
+\\ {
+ char ch=input();
+ if (ch!='\n') {
+ // that could have been removed by the preprocessor anyway
+ werror (W_STRAY_BACKSLASH, column);
+ unput(ch);
+ }
+}
. { count() ; }
%%
return 0;
}
-void comment()
-{
- char c, c1;
-
- loop:
- while ((c = input()) != '*' && c) {
- if ( c == '\n') {
- lineno=++yylineno;
- }
- }
-
- if (c && (c1 = input()) != '/') {
- unput(c1);
- goto loop;
- }
-}
-
-
-
int column = 0;
int plineIdx=0;
/* if it is a \ then escape char's are allowed */
if (ch == '\\') {
ch=input();
- if (ch=='\r') {
- // input() translates \n into \r\n
- if ((ch=input())!='\n') {
- unput (ch);
- }
+ if (ch=='\n') {
/* \<newline> is a continuator */
lineno=++yylineno;
+ column=0;
continue;
}
*str++ = '\\'; /* backslash in place */
}
/* if new line we have a new line break, which is illegal */
- if (ch == '\r') {
- // input() translates \n into \r\n
- if ((ch=input())!='\n') {
- unput (ch);
- }
+ if (ch == '\n') {
werror (W_NEWLINE_IN_STRING);
*str++ = '\n';
lineno=++yylineno;
+ column=0;
continue;
}
while ((ch = input()) && (isspace(ch) || ch=='\\')) {
switch (ch) {
case '\\':
- //werror (W_STRAY_BACKSLASH)
+ if ((ch=input())!='\n') {
+ werror (W_STRAY_BACKSLASH, column);
+ unput(ch);
+ } else {
+ lineno=++yylineno;
+ column=0;
+ }
break;
case '\n':
yylineno++;
if (!ch)
break;
-
+
if (ch != '\"') {
unput(ch) ;
break ;