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From-SVN: r786
This commit is contained in:
Richard Stallman 1992-04-18 21:22:25 +00:00
parent 6c94ce6718
commit 0dcd8ceed3
1 changed files with 16 additions and 49 deletions
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65
gcc/c-lex.c
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@ -353,57 +353,15 @@ static int
skip_white_space (c)
register int c;
{
#if 0
register int inside;
#endif
static int newline_warning = 0;
for (;;)
{
switch (c)
{
/* Don't recognize comments in cc1: all comments are removed by cpp,
and cpp output can include / and * consecutively as operators. */
#if 0
case '/':
c = getc (finput);
if (c != '*')
{
ungetc (c, finput);
return '/';
}
c = getc (finput);
inside = 1;
while (inside)
{
if (c == '*')
{
while (c == '*')
c = getc (finput);
if (c == '/')
{
inside = 0;
c = getc (finput);
}
}
else if (c == '\n')
{
lineno++;
c = getc (finput);
}
else if (c == EOF)
{
error ("unterminated comment");
break;
}
else
c = getc (finput);
}
break;
#endif
/* We don't recognize comments here, because
cpp output can include / and * consecutively as operators.
Also, there's no need, since cpp removes all comments. */
case '\n':
c = check_newline ();
@ -412,14 +370,23 @@ skip_white_space (c)
case ' ':
case '\t':
case '\f':
#if 0 /* ANSI says no. */
case '\r':
#endif
case '\v':
case '\b':
c = getc (finput);
break;
case '\r':
/* ANSI C says the effects of a carriage return in a source file
are undefined. */
if (pedantic && !newline_warning)
{
warning ("carriage return in source file");
warning ("(we only warn about the first carriage return)");
newline_warning = 1;
}
c = getc (finput);
break;
case '\\':
c = getc (finput);
if (c == '\n')