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Improved diagnostics about C++ style comments for c89.

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This commit is contained in:
acqn 2022-08-22 14:31:53 +08:00
parent fd7f32ecd3
commit 57ad7c8766
1 changed files with 7 additions and 2 deletions
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9
src/cc65/preproc.c
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@ -400,6 +400,11 @@ static void OldStyleComment (void)
static void NewStyleComment (void)
/* Remove a new style C comment from line. */
{
/* Diagnose if this is unsupported */
if (IS_Get (&Standard) < STD_C99) {
PPError ("C++ style comments are not allowed in C89");
}
/* Beware: Because line continuation chars are handled when reading
** lines, we may only skip until the end of the source line, which
** may not be the same as the end of the input line. The end of the
@ -432,7 +437,7 @@ static int SkipWhitespace (int SkipLines)
} else if (CurC == '/' && NextC == '*') {
OldStyleComment ();
Skipped = 1;
} else if (IS_Get (&Standard) >= STD_C99 && CurC == '/' && NextC == '/') {
} else if (CurC == '/' && NextC == '/') {
NewStyleComment ();
Skipped = 1;
} else if (CurC == '\0' && SkipLines) {
@ -1560,7 +1565,7 @@ static void TranslationPhase3 (StrBuf* Source, StrBuf* Target)
} else if (CurC == '/' && NextC == '*') {
OldStyleComment ();
HasWhiteSpace = 1;
} else if (IS_Get (&Standard) >= STD_C99 && CurC == '/' && NextC == '/') {
} else if (CurC == '/' && NextC == '/') {
NewStyleComment ();
HasWhiteSpace = 1;
} else {