int ClassDeclaration::isFuncHidden(FuncDeclaration *fd)
{
//printf("ClassDeclaration::isFuncHidden(class = %s, fd = %s)\n", toChars(), fd->toChars());
Dsymbol *s = search(0, fd->ident, 4|2);
if (!s)
{ //printf("not found\n");
/* Because, due to a hack, if there are multiple definitions
* of fd->ident, NULL is returned.
*/
return 0;
}
s = s->toAlias();
OverloadSet *os = s->isOverloadSet();
if (os)
{
for (int i = 0; i < os->a.dim; i++)
{ Dsymbol *s = (Dsymbol *)os->a.data[i];
FuncDeclaration *f2 = s->isFuncDeclaration();
if (f2 && overloadApply(f2, &isf, fd))
return 0;
}
return 1;
}
else
{
FuncDeclaration *fdstart = s->isFuncDeclaration();
//printf("%s fdstart = %p\n", s->kind(), fdstart);
return !overloadApply(fdstart, &isf, fd);
}
}
int AliasDeclaration::overloadInsert(Dsymbol *s)
{
/* Don't know yet what the aliased symbol is, so assume it can
* be overloaded and check later for correctness.
*/
//printf("AliasDeclaration::overloadInsert('%s')\n", s->toChars());
if (aliassym) // see test/test56.d
{
Dsymbol *a = aliassym->toAlias();
FuncDeclaration *f = a->isFuncDeclaration();
if (f) // BUG: what if it's a template?
{
FuncAliasDeclaration *fa = new FuncAliasDeclaration(f);
aliassym = fa;
return fa->overloadInsert(s);
}
}
if (overnext == NULL)
{
if (s == this)
{
return TRUE;
}
overnext = s;
return TRUE;
}
else
{
return overnext->overloadInsert(s);
}
}
FuncDeclaration *ScopeDsymbol::findGetMembers()
{
Dsymbol *s = search_function(this, Id::getmembers);
FuncDeclaration *fdx = s ? s->isFuncDeclaration() : NULL;
#if 0 // Finish
static TypeFunction *tfgetmembers;
if (!tfgetmembers)
{
Scope sc;
Parameters *arguments = new Parameters;
Parameters *arg = new Parameter(STCin, Type::tchar->constOf()->arrayOf(), NULL, NULL);
arguments->push(arg);
Type *tret = NULL;
tfgetmembers = new TypeFunction(arguments, tret, 0, LINKd);
tfgetmembers = (TypeFunction *)tfgetmembers->semantic(0, &sc);
}
if (fdx)
fdx = fdx->overloadExactMatch(tfgetmembers);
#endif
if (fdx && fdx->isVirtual())
fdx = NULL;
return fdx;
}
static FuncDeclaration* getParentFunc(Dsymbol* sym, bool stopOnStatic) {
if (!sym)
return NULL;
Dsymbol* parent = sym->parent;
assert(parent);
while (parent && !parent->isFuncDeclaration()) {
if (stopOnStatic) {
Declaration* decl = sym->isDeclaration();
if (decl && decl->isStatic())
return NULL;
}
parent = parent->parent;
}
return (parent ? parent->isFuncDeclaration() : NULL);
}
int ClassDeclaration::isFuncHidden(FuncDeclaration *fd)
{
//printf("ClassDeclaration::isFuncHidden(class = %s, fd = %s)\n", toChars(), fd->toChars());
Dsymbol *s = search(Loc(), fd->ident, IgnoreAmbiguous | IgnoreErrors);
if (!s)
{
//printf("not found\n");
/* Because, due to a hack, if there are multiple definitions
* of fd->ident, NULL is returned.
*/
return 0;
}
s = s->toAlias();
OverloadSet *os = s->isOverloadSet();
if (os)
{
for (size_t i = 0; i < os->a.dim; i++)
{
Dsymbol *s2 = os->a[i];
FuncDeclaration *f2 = s2->isFuncDeclaration();
if (f2 && overloadApply(f2, (void *)fd, &isf))
return 0;
}
return 1;
}
else
{
FuncDeclaration *fdstart = s->isFuncDeclaration();
//printf("%s fdstart = %p\n", s->kind(), fdstart);
if (overloadApply(fdstart, (void *)fd, &isf))
return 0;
return !fd->parent->isTemplateMixin();
}
}
void visit(TemplateInstance *ti)
{
OutBuffer buf;
#if 0
printf("TemplateInstance::mangle() %p %s", ti, ti->toChars());
if (ti->parent)
printf(" parent = %s %s", ti->parent->kind(), ti->parent->toChars());
printf("\n");
#endif
ti->getIdent();
const char *id = ti->ident ? ti->ident->toChars() : ti->toChars();
if (!ti->tempdecl)
ti->error("is not defined");
else
{
Dsymbol *par = ti->isTemplateMixin() ? ti->parent : ti->tempdecl->parent;
if (par)
{
FuncDeclaration *f = par->isFuncDeclaration();
if (f)
mangleExact(f);
else
par->accept(this);
if (result[0] == '_' && result[1] == 'D')
result += 2;
buf.writestring(result);
}
}
buf.printf("%llu%s", (ulonglong)strlen(id), id);
id = buf.extractString();
//printf("TemplateInstance::mangle() %s = %s\n", ti->toChars(), ti->id);
result = id;
}
bool Dsymbol::oneMembers(Dsymbols *members, Dsymbol **ps, Identifier *ident)
{
//printf("Dsymbol::oneMembers() %d\n", members ? members->dim : 0);
Dsymbol *s = NULL;
if (members)
{
for (size_t i = 0; i < members->dim; i++)
{
Dsymbol *sx = (*members)[i];
bool x = sx->oneMember(ps, ident);
//printf("\t[%d] kind %s = %d, s = %p\n", i, sx->kind(), x, *ps);
if (!x)
{
//printf("\tfalse 1\n");
assert(*ps == NULL);
return false;
}
if (*ps)
{
assert(ident);
if (!(*ps)->ident || !(*ps)->ident->equals(ident))
continue;
if (!s)
s = *ps;
else if (s->isOverloadable() && (*ps)->isOverloadable())
{
// keep head of overload set
FuncDeclaration *f1 = s->isFuncDeclaration();
FuncDeclaration *f2 = (*ps)->isFuncDeclaration();
if (f1 && f2)
{
assert(!f1->isFuncAliasDeclaration());
assert(!f2->isFuncAliasDeclaration());
for (; f1 != f2; f1 = f1->overnext0)
{
if (f1->overnext0 == NULL)
{
f1->overnext0 = f2;
break;
}
}
}
}
else // more than one symbol
{
*ps = NULL;
//printf("\tfalse 2\n");
return false;
}
}
}
}
*ps = s; // s is the one symbol, NULL if none
//printf("\ttrue\n");
return true;
}
char *mangle(Declaration *sthis)
{
OutBuffer buf;
char *id;
Dsymbol *s;
//printf("::mangle(%s)\n", sthis->toChars());
s = sthis;
do
{
//printf("mangle: s = %p, '%s', parent = %p\n", s, s->toChars(), s->parent);
if (s->ident)
{
FuncDeclaration *fd = s->isFuncDeclaration();
if (s != sthis && fd)
{
id = mangle(fd);
buf.prependstring(id);
goto L1;
}
else
{
id = s->ident->toChars();
int len = strlen(id);
char tmp[sizeof(len) * 3 + 1];
buf.prependstring(id);
sprintf(tmp, "%d", len);
buf.prependstring(tmp);
}
}
else
buf.prependstring("0");
s = s->parent;
} while (s);
// buf.prependstring("_D");
L1:
//printf("deco = '%s'\n", sthis->type->deco ? sthis->type->deco : "null");
//printf("sthis->type = %s\n", sthis->type->toChars());
FuncDeclaration *fd = sthis->isFuncDeclaration();
if (fd && (fd->needThis() || fd->isNested()))
buf.writeByte(Type::needThisPrefix());
if (sthis->type->deco)
buf.writestring(sthis->type->deco);
else
{
#ifdef DEBUG
if (!fd->inferRetType)
printf("%s\n", fd->toChars());
#endif
assert(fd && fd->inferRetType);
}
id = buf.toChars();
buf.data = NULL;
return id;
}
void AggregateDeclaration::makeNested()
{
if (!enclosing && sizeok != SIZEOKdone && !isUnionDeclaration() && !isInterfaceDeclaration())
{
// If nested struct, add in hidden 'this' pointer to outer scope
if (!(storage_class & STCstatic))
{
Dsymbol *s = toParent2();
if (s)
{
AggregateDeclaration *ad = s->isAggregateDeclaration();
FuncDeclaration *fd = s->isFuncDeclaration();
if (fd)
{
enclosing = fd;
}
else if (isClassDeclaration() && ad && ad->isClassDeclaration())
{
enclosing = ad;
}
else if (isStructDeclaration() && ad)
{
if (TemplateInstance *ti = ad->parent->isTemplateInstance())
{
enclosing = ti->enclosing;
}
}
if (enclosing)
{
//printf("makeNested %s, enclosing = %s\n", toChars(), enclosing->toChars());
Type *t;
if (ad)
t = ad->handleType();
else if (fd)
{
AggregateDeclaration *ad2 = fd->isMember2();
if (ad2)
t = ad2->handleType();
else
t = Type::tvoidptr;
}
else
assert(0);
if (t->ty == Tstruct)
t = Type::tvoidptr; // t should not be a ref type
assert(!vthis);
vthis = new ThisDeclaration(loc, t);
//vthis->storage_class |= STCref;
members->push(vthis);
}
}
}
}
}
void AggregateDeclaration::makeNested()
{
if (enclosing) // if already nested
return;
if (sizeok == SIZEOKdone)
return;
if (isUnionDeclaration() || isInterfaceDeclaration())
return;
if (storage_class & STCstatic)
return;
// If nested struct, add in hidden 'this' pointer to outer scope
Dsymbol *s = toParent2();
if (!s)
return;
AggregateDeclaration *ad = s->isAggregateDeclaration();
FuncDeclaration *fd = s->isFuncDeclaration();
Type *t = NULL;
if (fd)
{
enclosing = fd;
AggregateDeclaration *agg = fd->isMember2();
t = agg ? agg->handleType() : Type::tvoidptr;
}
else if (ad)
{
if (isClassDeclaration() && ad->isClassDeclaration())
{
enclosing = ad;
}
else if (isStructDeclaration())
{
if (TemplateInstance *ti = ad->parent->isTemplateInstance())
{
enclosing = ti->enclosing;
}
}
t = ad->handleType();
}
if (enclosing)
{
//printf("makeNested %s, enclosing = %s\n", toChars(), enclosing->toChars());
assert(t);
if (t->ty == Tstruct)
t = Type::tvoidptr; // t should not be a ref type
assert(!vthis);
vthis = new ThisDeclaration(loc, t);
//vthis->storage_class |= STCref;
members->push(vthis);
}
}
/**********************************
* Determine if smember has access to private members of this declaration.
*/
bool hasPrivateAccess(AggregateDeclaration *ad, Dsymbol *smember)
{
if (smember)
{
AggregateDeclaration *cd = NULL;
Dsymbol *smemberparent = smember->toParent();
if (smemberparent)
cd = smemberparent->isAggregateDeclaration();
#if LOG
printf("AggregateDeclaration::hasPrivateAccess(class %s, member %s)\n",
ad->toChars(), smember->toChars());
#endif
if (ad == cd) // smember is a member of this class
{
#if LOG
printf("\tyes 1\n");
#endif
return true; // so we get private access
}
// If both are members of the same module, grant access
while (1)
{
Dsymbol *sp = smember->toParent();
if (sp->isFuncDeclaration() && smember->isFuncDeclaration())
smember = sp;
else
break;
}
if (!cd && ad->toParent() == smember->toParent())
{
#if LOG
printf("\tyes 2\n");
#endif
return true;
}
if (!cd && ad->getAccessModule() == smember->getAccessModule())
{
#if LOG
printf("\tyes 3\n");
#endif
return true;
}
}
#if LOG
printf("\tno\n");
#endif
return false;
}
static FuncDeclaration* find_method_overload(AggregateDeclaration* ad, Identifier* id, TypeFunction* tf, Module* mod)
{
Dsymbol *s = search_function(ad, id);
FuncDeclaration *fdx = s ? s->isFuncDeclaration() : NULL;
if (fdx)
{
FuncDeclaration *fd = fdx->overloadExactMatch(tf, mod);
if (fd)
{
return fd;
}
}
return NULL;
}
void visit(PragmaStatement *s)
{
//printf("PragmaStatement::toIR()\n");
if (s->ident == Id::startaddress)
{
assert(s->args && s->args->dim == 1);
Expression *e = (*s->args)[0];
Dsymbol *sa = getDsymbol(e);
FuncDeclaration *f = sa->isFuncDeclaration();
assert(f);
Symbol *sym = toSymbol(f);
while (irs->prev)
irs = irs->prev;
irs->startaddress = sym;
}
}
void PragmaStatement::toIR(IRState *irs)
{
//printf("PragmaStatement::toIR()\n");
if (ident == Id::startaddress)
{
assert(args && args->dim == 1);
Expression *e = args->tdata()[0];
Dsymbol *sa = getDsymbol(e);
FuncDeclaration *f = sa->isFuncDeclaration();
assert(f);
Symbol *s = f->toSymbol();
while (irs->prev)
irs = irs->prev;
irs->startaddress = s;
}
}
/***************************************
* Search toString member function for TypeInfo_Struct.
* string toString();
*/
FuncDeclaration *search_toString(StructDeclaration *sd)
{
Dsymbol *s = search_function(sd, Id::tostring);
FuncDeclaration *fd = s ? s->isFuncDeclaration() : NULL;
if (fd)
{
static TypeFunction *tftostring;
if (!tftostring)
{
tftostring = new TypeFunction(NULL, Type::tstring, 0, LINKd);
tftostring = (TypeFunction *)tftostring->merge();
}
fd = fd->overloadExactMatch(tftostring);
}
return fd;
}
/***************************************
* Search toHash member function for TypeInfo_Struct.
* const hash_t toHash();
*/
FuncDeclaration *search_toHash(StructDeclaration *sd)
{
Dsymbol *s = search_function(sd, Id::tohash);
FuncDeclaration *fd = s ? s->isFuncDeclaration() : NULL;
if (fd)
{
static TypeFunction *tftohash;
if (!tftohash)
{
tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd);
tftohash->mod = MODconst;
tftohash = (TypeFunction *)tftohash->merge();
}
fd = fd->overloadExactMatch(tftohash);
}
return fd;
}
Expression *isFuncX(TraitsExp *e, bool (*fp)(FuncDeclaration *f))
{
int result = 0;
if (!e->args || !e->args->dim)
goto Lfalse;
for (size_t i = 0; i < e->args->dim; i++)
{
Dsymbol *s = getDsymbol((*e->args)[i]);
if (!s)
goto Lfalse;
FuncDeclaration *f = s->isFuncDeclaration();
if (!f || !fp(f))
goto Lfalse;
}
result = 1;
Lfalse:
return new IntegerExp(e->loc, result, Type::tbool);
}
void PragmaDeclaration::toObjFile(int multiobj)
{
if (ident == Id::lib)
{
assert(args && args->dim == 1);
Expression *e = (Expression *)args->data[0];
assert(e->op == TOKstring);
StringExp *se = (StringExp *)e;
char *name = (char *)mem.malloc(se->len + 1);
memcpy(name, se->string, se->len);
name[se->len] = 0;
#if OMFOBJ
/* The OMF format allows library names to be inserted
* into the object file. The linker will then automatically
* search that library, too.
*/
obj_includelib(name);
#elif ELFOBJ || MACHOBJ
/* The format does not allow embedded library names,
* so instead append the library name to the list to be passed
* to the linker.
*/
global.params.libfiles->push((void *) name);
#else
error("pragma lib not supported");
#endif
}
#if DMDV2
else if (ident == Id::startaddress)
{
assert(args && args->dim == 1);
Expression *e = (Expression *)args->data[0];
Dsymbol *sa = getDsymbol(e);
FuncDeclaration *f = sa->isFuncDeclaration();
assert(f);
Symbol *s = f->toSymbol();
obj_startaddress(s);
}
#endif
AttribDeclaration::toObjFile(multiobj);
}
static int fp(void *param, Dsymbol *s)
{
if (!isCPP(s))
return 0;
auto fd = s->isFuncDeclaration();
auto td = static_cast<cpp::TemplateDeclaration*>(
s->isTemplateDeclaration());
DEquals *p = (DEquals *)param;
decltype(D) s_D = fd ? getFD(fd) : td->TempOrSpec;
if (p->D == getCanonicalDecl(s_D))
{
p->s = s;
return 1;
}
return 0;
}
void PragmaDeclaration::toObjFile(int multiobj)
{
if (ident == Id::lib)
{
assert(args && args->dim == 1);
Expression *e = (*args)[0];
assert(e->op == TOKstring);
StringExp *se = (StringExp *)e;
char *name = (char *)mem.malloc(se->len + 1);
memcpy(name, se->string, se->len);
name[se->len] = 0;
/* Embed the library names into the object file.
* The linker will then automatically
* search that library, too.
*/
if (!obj_includelib(name))
{
/* The format does not allow embedded library names,
* so instead append the library name to the list to be passed
* to the linker.
*/
global.params.libfiles->push(name);
}
}
#if DMDV2
else if (ident == Id::startaddress)
{
assert(args && args->dim == 1);
Expression *e = (*args)[0];
Dsymbol *sa = getDsymbol(e);
FuncDeclaration *f = sa->isFuncDeclaration();
assert(f);
Symbol *s = f->toSymbol();
obj_startaddress(s);
}
#endif
AttribDeclaration::toObjFile(multiobj);
}
/***********************************************
* This is mostly the same as UnaryExp::op_overload(), but has
* a different rewrite.
*/
Expression *CastExp::op_overload(Scope *sc)
{
//printf("CastExp::op_overload() (%s)\n", toChars());
AggregateDeclaration *ad = isAggregate(e1->type);
if (ad)
{
Dsymbol *fd = NULL;
/* Rewrite as:
* e1.opCast!(T)();
*/
fd = search_function(ad, Id::cast);
if (fd)
{
#if 1 // Backwards compatibility with D1 if opCast is a function, not a template
if (fd->isFuncDeclaration())
{ // Rewrite as: e1.opCast()
return build_overload(loc, sc, e1, NULL, fd);
}
#endif
Objects *targsi = new Objects();
targsi->push(to);
Expression *e = new DotTemplateInstanceExp(loc, e1, fd->ident, targsi);
e = new CallExp(loc, e);
e = e->semantic(sc);
return e;
}
// Didn't find it. Forward to aliasthis
if (ad->aliasthis)
{
/* Rewrite op(e1) as:
* op(e1.aliasthis)
*/
Expression *e1 = new DotIdExp(loc, this->e1, ad->aliasthis->ident);
Expression *e = copy();
((UnaExp *)e)->e1 = e1;
e = e->trySemantic(sc);
return e;
}
}
return NULL;
}
void visit(PragmaDeclaration *pd)
{
if (pd->ident == Id::lib)
{
assert(pd->args && pd->args->dim == 1);
Expression *e = (*pd->args)[0];
assert(e->op == TOKstring);
StringExp *se = (StringExp *)e;
char *name = (char *)mem.xmalloc(se->numberOfCodeUnits() + 1);
se->writeTo(name, true);
/* Embed the library names into the object file.
* The linker will then automatically
* search that library, too.
*/
if (!obj_includelib(name))
{
/* The format does not allow embedded library names,
* so instead append the library name to the list to be passed
* to the linker.
*/
global.params.libfiles->push(name);
}
}
else if (pd->ident == Id::startaddress)
{
assert(pd->args && pd->args->dim == 1);
Expression *e = (*pd->args)[0];
Dsymbol *sa = getDsymbol(e);
FuncDeclaration *f = sa->isFuncDeclaration();
assert(f);
Symbol *s = toSymbol(f);
obj_startaddress(s);
}
visit((AttribDeclaration *)pd);
}
/*************************
* Initialize the hidden aggregate member, vthis, with
* the context pointer.
* Returns:
* *(ey + ad.vthis.offset) = this;
*/
elem *setEthis(Loc loc, IRState *irs, elem *ey, AggregateDeclaration *ad)
{
elem *ethis;
FuncDeclaration *thisfd = irs->getFunc();
int offset = 0;
Dsymbol *adp = ad->toParent2(); // class/func we're nested in
//printf("[%s] setEthis(ad = %s, adp = %s, thisfd = %s)\n", loc.toChars(), ad->toChars(), adp->toChars(), thisfd->toChars());
if (adp == thisfd)
{
ethis = getEthis(loc, irs, ad);
}
else if (thisfd->vthis &&
(adp == thisfd->toParent2() ||
(adp->isClassDeclaration() &&
adp->isClassDeclaration()->isBaseOf(thisfd->toParent2()->isClassDeclaration(), &offset)
)
)
)
{
/* Class we're new'ing is at the same level as thisfd
*/
assert(offset == 0); // BUG: should handle this case
ethis = el_var(irs->sthis);
}
else
{
ethis = getEthis(loc, irs, adp);
FuncDeclaration *fdp = adp->isFuncDeclaration();
if (fdp && fdp->hasNestedFrameRefs())
ethis = el_una(OPaddr, TYnptr, ethis);
}
ey = el_bin(OPadd, TYnptr, ey, el_long(TYsize_t, ad->vthis->offset));
ey = el_una(OPind, TYnptr, ey);
ey = el_bin(OPeq, TYnptr, ey, ethis);
return ey;
}
void StructDeclaration::makeNested()
{
if (!isnested && sizeok != SIZEOKdone && !isUnionDeclaration())
{
// If nested struct, add in hidden 'this' pointer to outer scope
if (!(storage_class & STCstatic))
{ Dsymbol *s = toParent2();
if (s)
{
AggregateDeclaration *ad = s->isAggregateDeclaration();
FuncDeclaration *fd = s->isFuncDeclaration();
TemplateInstance *ti;
if (ad && (ti = ad->parent->isTemplateInstance()) != NULL && ti->isnested || fd)
{ isnested = true;
Type *t;
if (ad)
t = ad->handle;
else if (fd)
{ AggregateDeclaration *ad = fd->isMember2();
if (ad)
t = ad->handle;
else
t = Type::tvoidptr;
}
else
assert(0);
if (t->ty == Tstruct)
t = Type::tvoidptr; // t should not be a ref type
assert(!vthis);
vthis = new ThisDeclaration(loc, t);
//vthis->storage_class |= STCref;
members->push(vthis);
}
}
}
}
}
/*************************
* Find all variables accessed by this delegate that are
* in functions enclosing it.
* Params:
* fd = function
* vars = array to append found variables to
*/
void findAllOuterAccessedVariables(FuncDeclaration *fd, VarDeclarations *vars)
{
for (Dsymbol *p = fd->parent; p; p = p->parent)
{
FuncDeclaration *fdp = p->isFuncDeclaration();
if (fdp)
{
for (size_t i = 0; i < fdp->closureVars.dim; i++)
{
VarDeclaration *v = fdp->closureVars[i];
for (size_t j = 0; j < v->nestedrefs.dim; j++)
{
FuncDeclaration *fdv = v->nestedrefs[j];
if (fdv == fd)
{
//printf("accessed: %s, type %s\n", v->toChars(), v->type->toChars());
vars->push(v);
}
}
}
}
}
}
std::vector<llvm::Type*> IrTypeClass::buildVtblType(Type* first, Array* vtbl_array)
{
IF_LOG Logger::println("Building vtbl type for class %s", cd->toPrettyChars());
LOG_SCOPE;
std::vector<llvm::Type*> types;
types.reserve(vtbl_array->dim);
// first comes the classinfo
types.push_back(DtoType(first));
// then come the functions
ArrayIter<Dsymbol> it(*vtbl_array);
it.index = 1;
for (; !it.done(); it.next())
{
Dsymbol* dsym = it.get();
if (dsym == NULL)
{
// FIXME
// why is this null?
// happens for mini/s.d
types.push_back(getVoidPtrType());
continue;
}
FuncDeclaration* fd = dsym->isFuncDeclaration();
assert(fd && "invalid vtbl entry");
IF_LOG Logger::println("Adding type of %s", fd->toPrettyChars());
types.push_back(DtoType(fd->type->pointerTo()));
}
return types;
}
void mangleParent(Dsymbol *s)
{
Dsymbol *p;
if (TemplateInstance *ti = s->isTemplateInstance())
p = ti->isTemplateMixin() ? ti->parent : ti->tempdecl->parent;
else
p = s->parent;
if (p)
{
mangleParent(p);
if (p->getIdent())
{
const char *id = p->ident->toChars();
toBuffer(id, s);
if (FuncDeclaration *f = p->isFuncDeclaration())
mangleFunc(f, true);
}
else
buf->writeByte('0');
}
}
void mangleParent(OutBuffer *buf, Dsymbol *s)
{
Dsymbol *p;
if (TemplateInstance *ti = s->isTemplateInstance())
p = ti->isTemplateMixin() ? ti->parent : ti->tempdecl->parent;
else
p = s->parent;
if (p)
{
mangleParent(buf, p);
if (p->getIdent())
{
const char *id = p->ident->toChars();
buf->printf("%llu%s", (ulonglong)strlen(id), id);
if (FuncDeclaration *f = p->isFuncDeclaration())
mangleFunc(buf, f, true);
}
else
buf->writeByte('0');
}
}
void StructDeclaration::semantic(Scope *sc)
{
Scope *sc2;
//printf("+StructDeclaration::semantic(this=%p, %s '%s', sizeok = %d)\n", this, parent->toChars(), toChars(), sizeok);
//static int count; if (++count == 20) halt();
assert(type);
if (!members) // if opaque declaration
{
return;
}
if (symtab)
{ if (sizeok == SIZEOKdone || !scope)
{ //printf("already completed\n");
scope = NULL;
return; // semantic() already completed
}
}
else
symtab = new DsymbolTable();
Scope *scx = NULL;
if (scope)
{ sc = scope;
scx = scope; // save so we don't make redundant copies
scope = NULL;
}
int errors = global.errors;
unsigned dprogress_save = Module::dprogress;
parent = sc->parent;
type = type->semantic(loc, sc);
handle = type;
protection = sc->protection;
alignment = sc->structalign;
storage_class |= sc->stc;
if (sc->stc & STCdeprecated)
isdeprecated = true;
assert(!isAnonymous());
if (sc->stc & STCabstract)
error("structs, unions cannot be abstract");
userAttributes = sc->userAttributes;
if (sizeok == SIZEOKnone) // if not already done the addMember step
{
for (size_t i = 0; i < members->dim; i++)
{
Dsymbol *s = (*members)[i];
//printf("adding member '%s' to '%s'\n", s->toChars(), this->toChars());
s->addMember(sc, this, 1);
}
}
sizeok = SIZEOKnone;
sc2 = sc->push(this);
sc2->stc &= STCsafe | STCtrusted | STCsystem;
sc2->parent = this;
if (isUnionDeclaration())
sc2->inunion = 1;
sc2->protection = PROTpublic;
sc2->explicitProtection = 0;
sc2->structalign = STRUCTALIGN_DEFAULT;
sc2->userAttributes = NULL;
/* Set scope so if there are forward references, we still might be able to
* resolve individual members like enums.
*/
for (size_t i = 0; i < members->dim; i++)
{ Dsymbol *s = (*members)[i];
/* There are problems doing this in the general case because
* Scope keeps track of things like 'offset'
*/
//if (s->isEnumDeclaration() || (s->isAggregateDeclaration() && s->ident))
{
//printf("struct: setScope %s %s\n", s->kind(), s->toChars());
s->setScope(sc2);
}
}
for (size_t i = 0; i < members->dim; i++)
{
Dsymbol *s = (*members)[i];
/* If this is the last member, see if we can finish setting the size.
* This could be much better - finish setting the size after the last
* field was processed. The problem is the chicken-and-egg determination
* of when that is. See Bugzilla 7426 for more info.
*/
if (i + 1 == members->dim)
{
if (sizeok == SIZEOKnone && s->isAliasDeclaration())
finalizeSize(sc2);
}
// Ungag errors when not speculative
unsigned oldgag = global.gag;
if (global.isSpeculativeGagging() && !isSpeculative())
{
global.gag = 0;
}
s->semantic(sc2);
global.gag = oldgag;
}
finalizeSize(sc2);
if (sizeok == SIZEOKfwd)
{ // semantic() failed because of forward references.
// Unwind what we did, and defer it for later
for (size_t i = 0; i < fields.dim; i++)
{ Dsymbol *s = fields[i];
VarDeclaration *vd = s->isVarDeclaration();
if (vd)
vd->offset = 0;
}
fields.setDim(0);
structsize = 0;
alignsize = 0;
// structalign = 0;
scope = scx ? scx : new Scope(*sc);
scope->setNoFree();
scope->module->addDeferredSemantic(this);
Module::dprogress = dprogress_save;
//printf("\tdeferring %s\n", toChars());
return;
}
Module::dprogress++;
//printf("-StructDeclaration::semantic(this=%p, '%s')\n", this, toChars());
// Determine if struct is all zeros or not
zeroInit = 1;
for (size_t i = 0; i < fields.dim; i++)
{
Dsymbol *s = fields[i];
VarDeclaration *vd = s->isVarDeclaration();
if (vd && !vd->isDataseg())
{
if (vd->init)
{
// Should examine init to see if it is really all 0's
zeroInit = 0;
break;
}
else
{
if (!vd->type->isZeroInit(loc))
{
zeroInit = 0;
break;
}
}
}
}
#if DMDV1
/* This doesn't work for DMDV2 because (ref S) and (S) parameter
* lists will overload the same.
*/
/* The TypeInfo_Struct is expecting an opEquals and opCmp with
* a parameter that is a pointer to the struct. But if there
* isn't one, but is an opEquals or opCmp with a value, write
* another that is a shell around the value:
* int opCmp(struct *p) { return opCmp(*p); }
*/
TypeFunction *tfeqptr;
{
Parameters *arguments = new Parameters;
Parameter *arg = new Parameter(STCin, handle, Id::p, NULL);
arguments->push(arg);
tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd);
tfeqptr = (TypeFunction *)tfeqptr->semantic(Loc(), sc);
}
TypeFunction *tfeq;
{
Parameters *arguments = new Parameters;
Parameter *arg = new Parameter(STCin, type, NULL, NULL);
arguments->push(arg);
tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd);
tfeq = (TypeFunction *)tfeq->semantic(Loc(), sc);
}
Identifier *id = Id::eq;
for (int i = 0; i < 2; i++)
{
Dsymbol *s = search_function(this, id);
FuncDeclaration *fdx = s ? s->isFuncDeclaration() : NULL;
if (fdx)
{ FuncDeclaration *fd = fdx->overloadExactMatch(tfeqptr);
if (!fd)
{ fd = fdx->overloadExactMatch(tfeq);
if (fd)
{ // Create the thunk, fdptr
FuncDeclaration *fdptr = new FuncDeclaration(loc, loc, fdx->ident, STCundefined, tfeqptr);
Expression *e = new IdentifierExp(loc, Id::p);
e = new PtrExp(loc, e);
Expressions *args = new Expressions();
args->push(e);
e = new IdentifierExp(loc, id);
e = new CallExp(loc, e, args);
fdptr->fbody = new ReturnStatement(loc, e);
ScopeDsymbol *s = fdx->parent->isScopeDsymbol();
assert(s);
s->members->push(fdptr);
fdptr->addMember(sc, s, 1);
fdptr->semantic(sc2);
}
}
}
id = Id::cmp;
}
#endif
#if DMDV2
dtor = buildDtor(sc2);
postblit = buildPostBlit(sc2);
cpctor = buildCpCtor(sc2);
buildOpAssign(sc2);
buildOpEquals(sc2);
#endif
inv = buildInv(sc2);
sc2->pop();
/* Look for special member functions.
*/
#if DMDV2
ctor = search(Loc(), Id::ctor, 0);
#endif
aggNew = (NewDeclaration *)search(Loc(), Id::classNew, 0);
aggDelete = (DeleteDeclaration *)search(Loc(), Id::classDelete, 0);
TypeTuple *tup = type->toArgTypes();
size_t dim = tup->arguments->dim;
if (dim >= 1)
{ assert(dim <= 2);
arg1type = (*tup->arguments)[0]->type;
if (dim == 2)
arg2type = (*tup->arguments)[1]->type;
}
if (sc->func)
{
semantic2(sc);
semantic3(sc);
}
if (global.errors != errors)
{ // The type is no good.
type = Type::terror;
}
if (deferred && !global.gag)
{
deferred->semantic2(sc);
deferred->semantic3(sc);
}
#if 0
if (type->ty == Tstruct && ((TypeStruct *)type)->sym != this)
{
printf("this = %p %s\n", this, this->toChars());
printf("type = %d sym = %p\n", type->ty, ((TypeStruct *)type)->sym);
}
#endif
assert(type->ty != Tstruct || ((TypeStruct *)type)->sym == this);
}
FuncDeclaration *StructDeclaration::buildXopEquals(Scope *sc)
{
if (!search_function(this, Id::eq))
return NULL;
/* static bool__xopEquals(in void* p, in void* q) {
* return ( *cast(const S*)(p) ).opEquals( *cast(const S*)(q) );
* }
*/
Parameters *parameters = new Parameters;
parameters->push(new Parameter(STCin, Type::tvoidptr, Id::p, NULL));
parameters->push(new Parameter(STCin, Type::tvoidptr, Id::q, NULL));
TypeFunction *tf = new TypeFunction(parameters, Type::tbool, 0, LINKd);
tf = (TypeFunction *)tf->semantic(0, sc);
Identifier *id = Lexer::idPool("__xopEquals");
FuncDeclaration *fop = new FuncDeclaration(0, 0, id, STCstatic, tf);
Expression *e = new CallExp(0,
new DotIdExp(0,
new PtrExp(0, new CastExp(0,
new IdentifierExp(0, Id::p), type->pointerTo()->constOf())),
Id::eq),
new PtrExp(0, new CastExp(0,
new IdentifierExp(0, Id::q), type->pointerTo()->constOf())));
fop->fbody = new ReturnStatement(0, e);
size_t index = members->dim;
members->push(fop);
unsigned errors = global.startGagging(); // Do not report errors, even if the
unsigned oldspec = global.speculativeGag; // template opAssign fbody makes it.
global.speculativeGag = global.gag;
Scope *sc2 = sc->push();
sc2->stc = 0;
sc2->linkage = LINKd;
sc2->speculative = true;
fop->semantic(sc2);
fop->semantic2(sc2);
fop->semantic3(sc2);
sc2->pop();
global.speculativeGag = oldspec;
if (global.endGagging(errors)) // if errors happened
{
members->remove(index);
if (!xerreq)
{
Expression *e = new IdentifierExp(0, Id::empty);
e = new DotIdExp(0, e, Id::object);
e = new DotIdExp(0, e, Lexer::idPool("_xopEquals"));
e = e->semantic(sc);
Dsymbol *s = getDsymbol(e);
FuncDeclaration *fd = s->isFuncDeclaration();
xerreq = fd;
}
fop = xerreq;
}
else
fop->addMember(sc, this, 1);
return fop;
}