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Better handling of __VA_ARGS__ subscripting.

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This commit is contained in:
Dale Weiler 2013-01-27 21:27:50 +00:00
parent b9fcd64a1f
commit 1597f38f45
1 changed files with 10 additions and 5 deletions
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15
ftepp.c
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@ -408,13 +408,18 @@ static bool ftepp_define_body(ftepp_t *ftepp, ppmacro *macro)
{
pptoken *ptok;
while (ftepp->token != TOKEN_EOL && ftepp->token < TOKEN_EOF) {
size_t index;
bool subscript = false;
size_t index = 0;
if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_ARGS__")) {
/* remember the token */
if (ftepp_next(ftepp) == '#' &&
ftepp_next(ftepp) == '#' &&
ftepp_next(ftepp) == '[')
{
if (ftepp_next(ftepp) == '#') {
subscript = true;
}
if (subscript && ftepp_next(ftepp) != '#') {
ftepp_error(ftepp, "expected `##` in __VA_ARGS__ for subscripting");
return false;
} else if (subscript && ftepp_next(ftepp) == '[') {
if (ftepp_next(ftepp) != TOKEN_INTCONST) {
ftepp_error(ftepp, "expected index for __VA_ARGS__ subscript");
return false;