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gc: emit reflect correct reflect types

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Fixes #1169.

R=ken2
CC=golang-dev
https://golang.org/cl/3595043
This commit is contained in:
Russ Cox 2010-12-13 10:05:20 -05:00
parent c7c16175e0
commit 96db724cfc
1 changed files with 16 additions and 25 deletions
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35
src/cmd/gc/reflect.c
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@ -678,11 +678,10 @@ typename(Type *t)
static Sym*
dtypesym(Type *t)
{
int ot, n, isddd;
int ot, n, isddd, dupok;
Sym *s, *s1, *s2;
Sig *a, *m;
Type *t1;
Sym *tsym;
Type *t1, *tbase;
if(isideal(t))
fatal("dtypesym %T", t);
@ -695,30 +694,22 @@ dtypesym(Type *t)
// special case (look for runtime below):
// when compiling package runtime,
// emit the type structures for int, float, etc.
t1 = T;
if(isptr[t->etype])
t1 = t->type;
tsym = S;
if(t1)
tsym = t1->sym;
else
tsym = t->sym;
tbase = t;
if(isptr[t->etype] && t->sym == S && t->type->sym != S)
tbase = t->type;
dupok = tbase->sym == S;
if(compiling_runtime) {
if(t == types[t->etype])
if(tbase == types[tbase->etype]) // int, float, etc
goto ok;
if(t1 && t1 == types[t1->etype])
goto ok;
if(t1 && t1->etype == tptr && t1->type->etype == TANY)
if(tbase->etype == tptr && tbase->type->etype == TANY) // unsafe.Pointer
goto ok;
}
// named types from other files are defined in those files
if(t->sym && !t->local)
// named types from other files are defined only by those files
if(tbase->sym && !tbase->local)
return s;
if(!t->sym && t1 && t1->sym && !t1->local)
return s;
if(isforw[t->etype] || (t1 && isforw[t1->etype]))
if(isforw[tbase->etype])
return s;
ok:
@ -854,7 +845,7 @@ ok:
break;
}
ggloblsym(s, ot, tsym == nil);
ggloblsym(s, ot, dupok);
return s;
}
@ -882,7 +873,7 @@ dumptypestructs(void)
continue;
t = n->type;
dtypesym(t);
if(t->sym && !isptr[t->etype])
if(t->sym)
dtypesym(ptrto(t));
}