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[serialization] Add support for metatype types and constructor arguments.

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Swift SVN r5744
This commit is contained in:
Jordan Rose
2013-06-21 17:51:47 +00:00
parent 3b07d4e102
commit b57c8c4f62
3 changed files with 36 additions and 18 deletions
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24
lib/Serialization/ModuleFile.cpp
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@@ -331,27 +331,24 @@ Decl *ModuleFile::getDecl(DeclID DID) {
case decls_block::CONSTRUCTOR_DECL: {
DeclID parentID;
bool isImplicit;
TypeID signatureID;
DeclID implicitThisID;
decls_block::ConstructorLayout::readRecord(scratch, parentID, isImplicit,
implicitThisID);
signatureID, implicitThisID);
Pattern *args = maybeReadPattern();
assert(args && "missing arguments for constructor");
auto thisDecl = cast<VarDecl>(getDecl(implicitThisID));
auto parent = cast<NominalTypeDecl>(getDeclContext(parentID));
auto emptyArgs = TuplePattern::create(ctx, SourceLoc(), {}, SourceLoc());
auto ctor = new (ctx) ConstructorDecl(ctx.getIdentifier("constructor"),
SourceLoc(), emptyArgs, thisDecl,
SourceLoc(), args, thisDecl,
/*generic params=*/nullptr,
parent);
declOrOffset = ctor;
// FIXME: Actually serialize the type instead of reconstructing it here.
ctor->setType(FunctionType::get(MetaTypeType::get(thisDecl->getType(),
ctx),
FunctionType::get(ctx.TheEmptyTupleType,
thisDecl->getType(),
ctx),
ctx));
ctor->setType(getType(signatureID));
if (isImplicit)
ctor->setImplicit();
@@ -630,6 +627,13 @@ Type ModuleFile::getType(TypeID TID) {
break;
}
case decls_block::METATYPE_TYPE: {
TypeID instanceID;
decls_block::MetaTypeTypeLayout::readRecord(scratch, instanceID);
typeOrOffset = MetaTypeType::get(getType(instanceID), ModuleContext->Ctx);
break;
}
default:
// We don't know how to deserialize this kind of type.
error();