chiark - git - mdw - cparse/blob - gcc.c

   1 #include "cparse.h"
   2
   3 static void fn(const char *s,
   4                struct declaration_specifiers *ds) {
   5   struct declarator *decl;
   6
   7   NEW(decl);
   8   decl->name = xstrdup(s);
   9   NEW(decl->declarator_type);
  10   decl->declarator_type->type = dt_old_function;
  11   decl->declaration_specifiers = ds;
  12   add_declaration(decl);
  13 }
  14
  15 static void ptrfn(const char *s,
  16                   struct declaration_specifiers *ds) {
  17   struct declarator *decl;
  18
  19   NEW(decl);
  20   decl->name = xstrdup(s);
  21   NEW(decl->declarator_type);
  22   decl->declarator_type->type = dt_old_function;
  23   NEW(decl->declarator_type->next);
  24   decl->declarator_type->next->type = dt_pointer;
  25   decl->declaration_specifiers = ds;
  26   add_declaration(decl);
  27 }
  28
  29
  30 void gcc_extensions(void) {
  31   struct declaration_specifiers *ds_void, *ds_int;
  32
  33   NEW(ds_void);
  34   ds_void->type_specifiers = TS_VOID;
  35   NEW(ds_int);
  36   ds_void->type_specifiers = TS_INT;
  37
  38   fn("__builtin_stdarg_start", ds_void);
  39   fn("__builtin_va_start", ds_void);
  40   fn("__builtin_va_end", ds_void);
  41   fn("__builtin_va_copy", ds_void);
  42   ptrfn("__builtin_memcpy", ds_void);
  43   ptrfn("__builtin_alloca", ds_void);
  44   ptrfn("__builtin_next_arg", ds_void);
  45   fn("__builtin_constant_p", ds_int);
  46 }
  47
  48 /*
  49 Local Variables:
  50 c-basic-offset:2
  51 comment-column:40
  52 End:
  53 */