scc

Simple C99 Compiler
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commit 68f57d8dbb5cb1eebf38690d7330ac0f050b8bcd
parent 8520ba859462224688f0afc7d3495afa7e44a5b2
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Mon,  7 Oct 2013 22:08:12 +0200

Add macros for storage and qualifier tests

These tests are used in different parts of the code, and they take
a lot of space, so it is a good option add two macros who can make
the code more readdable.

Diffstat:
decl.c | 7++-----
symbol.h | 4++++
2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/decl.c b/decl.c @@ -114,10 +114,8 @@ struct_dcl(unsigned char ns) warn(options.implicit, "data definition has no type or storage class"); } - if (base->c_typedef || base->c_static || base->c_auto || - base->c_register || base->c_extern) { + if (HAS_STORAGE(base)) error("storage specifier in a struct/union field declaration"); - } do { declarator(base, ns); @@ -351,8 +349,7 @@ repeat: if (!(tp = spec())) { register unsigned char type = tp->type; if (type == STRUCT || type == UNION || type == ENUM) { - if (tp->c_extern || tp->c_static || tp->c_auto || - tp->c_register || tp->c_const || tp->c_volatile) { + if (HAS_STORAGE(tp) || HAS_QUALIF(tp)) { warn(options.useless, "useless storage class specifier in empty declaration"); } diff --git a/symbol.h b/symbol.h @@ -59,6 +59,10 @@ struct symbol { struct symbol *hash; }; +#define HAS_STORAGE(tp) ((tp)->c_extern || (tp)->c_static ||\ + (tp)->c_auto || (tp)->c_register || (tp)->c_typedef) + +#define HAS_QUALIF(tp) ((tp)->c_const || (tp)->c_volatile) extern struct ctype *decl_type(struct ctype *t); extern void pushtype(unsigned mod);