Expand macro arguments before performing argument substitution.
As required by the C99 specification of the preprocessor.
With this fix, tests 33 through 36 now pass.
diff --git a/glcpp-parse.y b/glcpp-parse.y
index e25cfa9..3b736f8 100644
--- a/glcpp-parse.y
+++ b/glcpp-parse.y
@@ -854,10 +854,11 @@
token_list_t *argument;
argument = _argument_list_member_at (arguments,
parameter_index);
- for (j = argument->head; j; j = j->next)
- {
- _token_list_append (substituted, j->token);
- }
+ /* Before substituting, we expand the argument
+ * tokens. */
+ _glcpp_parser_expand_token_list_onto (parser,
+ argument,
+ substituted);
} else {
_token_list_append (substituted, i->token);
}