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re PR preprocessor/19475 (missing whitespace after macro name in C90 or C++)

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PR preprocessor/19475
	* macro.c (create_iso_definition): For < ISO C99, don't
	pedwarn if there is no whitespace between macro name and its
	replacement, but the replacement starts with a basic character
	set character.

	* gcc.dg/cpp/macspace1.c: New test.
	* gcc.dg/cpp/macspace2.c: New test.

From-SVN: r97652
This commit is contained in:
Jakub Jelinek 2005-04-05 22:07:06 +02:00 • committed by Jakub Jelinek
parent 87ac6a500a
commit cae064e798
5 changed files with 169 additions and 2 deletions
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35
libcpp/macro.c
View file

@ -1430,8 +1430,39 @@ create_iso_definition (cpp_reader *pfile, cpp_macro *macro)
macro->fun_like = 1;
}
else if (ctoken->type != CPP_EOF && !(ctoken->flags & PREV_WHITE))
cpp_error (pfile, CPP_DL_PEDWARN,
"ISO C requires whitespace after the macro name");
{
/* While ISO C99 requires whitespace before replacement text
in a macro definition, ISO C90 with TC1 allows there characters
from the basic source character set. */
if (CPP_OPTION (pfile, c99))
cpp_error (pfile, CPP_DL_PEDWARN,
"ISO C99 requires whitespace after the macro name");
else
{
int warntype = CPP_DL_WARNING;
switch (ctoken->type)
{
case CPP_ATSIGN:
case CPP_AT_NAME:
case CPP_OBJC_STRING:
/* '@' is not in basic character set. */
warntype = CPP_DL_PEDWARN;
break;
case CPP_OTHER:
/* Basic character set sans letters, digits and _. */
if (strchr ("!\"#%&'()*+,-./:;<=>?[\\]^{|}~",
ctoken->val.str.text[0]) == NULL)
warntype = CPP_DL_PEDWARN;
break;
default:
/* All other tokens start with a character from basic
character set. */
break;
}
cpp_error (pfile, warntype,
"missing whitespace after the macro name");
}
}
if (macro->fun_like)
token = lex_expansion_token (pfile, macro);