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Adapt to new DMD lambda inference mechanism.

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Rewriting types this late is a questionable design and prone
to break non-DMD client code; this should be discussed
again with Kenji.
This commit is contained in:
David Nadlinger 2013-01-04 04:26:32 +01:00
parent 26217eabb2
commit b3f59134c1
2 changed files with 44 additions and 2 deletions
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24
gen/toir.cpp
View file

@ -2689,13 +2689,22 @@ DValue* FuncExp::toElem(IRState* p)
assert(fd);
if (fd->tok == TOKreserved && type->ty == Tpointer)
{
// This is a lambda that was inferred to be a function literal instead
// of a delegate, so set tok here in order to get correct types/mangling.
// Horrible hack, but DMD does the same thing.
fd->tok = TOKfunction;
fd->vthis = NULL;
}
if (fd->isNested()) Logger::println("nested");
Logger::println("kind = %s", fd->kind());
fd->codegen(Type::sir);
assert(fd->ir.irFunc->func);
if(fd->isNested() && !(fd->tok == TOKreserved && type->ty == Tpointer && fd->vthis)) {
if (fd->isNested()) {
LLType* dgty = DtoType(type);
LLValue* cval;
@ -2745,7 +2754,18 @@ LLConstant* FuncExp::toConstElem(IRState* p)
LOG_SCOPE;
assert(fd);
if (fd->tok != TOKfunction && !(fd->tok == TOKreserved && type->ty == Tpointer && fd->vthis))
if (fd->tok == TOKreserved && type->ty == Tpointer)
{
// This is a lambda that was inferred to be a function literal instead
// of a delegate, so set tok here in order to get correct types/mangling.
// Horrible hack, but DMD does the same thing in FuncExp::toElem and
// other random places.
fd->tok = TOKfunction;
fd->vthis = NULL;
}
if (fd->tok != TOKfunction)
{
assert(fd->tok == TOKdelegate || fd->tok == TOKreserved);
error("delegate literals as constant expressions are not yet allowed");

22
ir/irtype.cpp
View file

@ -164,6 +164,28 @@ IrTypePointer* IrTypePointer::get(Type* dt)
}
else
{
if (dt->nextOf()->ty == Tfunction)
{
TypeFunction* tf = static_cast<TypeFunction*>(dt->nextOf());
if (tf->funcdecl)
{
if (FuncLiteralDeclaration* fld =
tf->funcdecl->isFuncLiteralDeclaration())
{
if (fld->tok == TOKreserved)
{
// This is the type of a lambda that was inferred to be
// a function literal instead of a delegate, so set tok
// here in order to get correct types/mangling. Horrible
// hack, but DMD does the same thing in FuncExp::toElem
// and other random places.
fld->tok = TOKfunction;
fld->vthis = NULL;
}
}
}
}
elemType = DtoTypeNotVoid(dt->nextOf());
// DtoTypeNotVoid could have already created the same type, e.g. for