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mescc: Tinycc support: fix foo[bar]->baz. 

* module/language/c99/compiler.mes (expr->accu*): Lose one indirection.
* scaffold/tests/72-typedef-struct-def.c: Test it.
This commit is contained in:
Jan Nieuwenhuizen 2017-07-29 08:37:34 +02:00
parent abd1272a31
commit e102ef94ca
2 changed files with 25 additions and 13 deletions
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1
module/language/c99/compiler.mes
View File

@ -1177,7 +1177,6 @@
(offset (field-offset info type field))
(info ((expr->accu* info) `(array-ref ,index (p-expr (ident ,array))))))
(append-text info (append (wrap-as (i386:mem->accu))
(wrap-as (i386:mem->accu))
(wrap-as (i386:accu+value offset))))))
(_ (error "expr->accu*: unsupported: " o)))))

37
scaffold/tests/72-typedef-struct-def.c
View File

@ -36,6 +36,8 @@ typedef struct
bar baz[2] = {1, 2, 3, 4, 5, 6};
bar *list[2];
//NYACC
//#define offsetof(type, field) ((size_t) &((type *)0)->field)
#if __MESC__
@ -57,7 +59,7 @@ test ()
if (b.f.i != 2) return 1;
printf ("b.p->i=%d\n", b.p->i);
if (b.p->i != 1) return 1;
if (b.p->i != 1) return 2;
bar* p = &b;
p->i = 2;
@ -70,38 +72,49 @@ test ()
printf ("p->i=%d\n", b.i);
printf ("p->f.i=%d\n", p->f.i);
if (p->f.i != 2) return 1;
if (p->f.i != 2) return 3;
printf ("p->p->i=%d\n", p->p->i);
if (p->p->i != 1) return 1;
if (p->p->i != 1) return 4;
bar** pp = &p;
(*pp)->i = 3;
printf ("(*pp)->i=%d\n", b.i);
printf ("sizeof i:%d\n", sizeof (p->i));
if ((sizeof p->i) != 4) return 1;
if ((sizeof p->i) != 4) return 5;
printf ("offsetof g=%d\n", (offsetof (bar ,f)));
if ((offsetof (bar ,f)) != 4) return 1;
if ((offsetof (bar ,f)) != 4) return 6;
printf ("(*pp)->b.i=%d\n", (*pp)->f.i);
if ((*pp)->f.i != 2) return 1;
if ((*pp)->f.i != 2) return 7;
if (baz[0].i != 1) return 1;
if (baz[0].i != 1) return 8;
printf ("baz[0].f.i=%d\n", baz[0].f.i);
if (baz[0].f.i != 2) return 1;
if (baz[0].f.i != 2) return 9;
printf ("baz[1].i=%d\n", baz[1].i);
if (baz[1].i != 4) return 1;
if (baz[1].i != 4) return 10;
printf ("baz[1].f.i=%d\n", baz[1].f.i);
if (baz[1].f.i != 5) return 1;
if (baz[1].f.i != 5) return 11;
bar one = {0};
printf ("one.i\n", one.i);
if (one.i != 0) return 1;
if (one.i != 0) return 12;
printf ("one.f.i\n", one.f.i);
if (one.f.i != 0) return 1;
if (one.f.i != 0) return 13;
bar b0 = {2};
struct foo f0 = {0};
struct foo *pf = &f0;
list[0] = &b0;
list[0]->p = pf;
eputs ("b0.i="); eputs (itoa (b0.i)); eputs ("\n");
if (b0.i != 2) return 14;
eputs ("b0.p->i="); eputs (itoa (b0.p->i)); eputs ("\n");
if (b0.p->i != 0) return 15;
return 0;
}