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Remove the tables that track the types that conform to "known" protocols.

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The type checker no longer needs them.


Swift SVN r22137
This commit is contained in:
Doug Gregor
2014-09-19 16:41:26 +00:00
parent f0d03efb4c
commit 3119e6d345
10 changed files with 6 additions and 250 deletions
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76
lib/Serialization/ModuleFile.cpp
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@@ -263,58 +263,6 @@ ModuleFile::readDeclTable(ArrayRef<uint64_t> fields, StringRef blobData) {
base + sizeof(uint32_t), base));
}
static Optional<KnownProtocolKind> getActualKnownProtocol(unsigned rawKind) {
auto stableKind = static_cast<index_block::KnownProtocolKind>(rawKind);
if (stableKind != rawKind)
return Nothing;
switch (stableKind) {
#define PROTOCOL(Id) \
case index_block::Id: return KnownProtocolKind::Id;
#include "swift/AST/KnownProtocols.def"
}
// If there's a new case value in the module file, ignore it.
return Nothing;
}
bool ModuleFile::readKnownProtocolsBlock(llvm::BitstreamCursor &cursor) {
cursor.EnterSubBlock(KNOWN_PROTOCOL_BLOCK_ID);
SmallVector<uint64_t, 8> scratch;
while (true) {
auto next = cursor.advanceSkippingSubblocks();
switch (next.Kind) {
case llvm::BitstreamEntry::EndBlock:
return true;
case llvm::BitstreamEntry::Error:
return false;
case llvm::BitstreamEntry::SubBlock:
llvm_unreachable("subblocks skipped");
case llvm::BitstreamEntry::Record: {
scratch.clear();
unsigned rawKind = cursor.readRecord(next.ID, scratch);
DeclIDVector *list;
if (auto actualKind = getActualKnownProtocol(rawKind)) {
auto index = static_cast<unsigned>(actualKind.getValue());
list = &KnownProtocolAdopters[index];
} else {
// Ignore this record.
break;
}
list->append(scratch.begin(), scratch.end());
break;
}
}
}
}
bool ModuleFile::readIndexBlock(llvm::BitstreamCursor &cursor) {
cursor.EnterSubBlock(INDEX_BLOCK_ID);
@@ -331,17 +279,9 @@ bool ModuleFile::readIndexBlock(llvm::BitstreamCursor &cursor) {
return false;
case llvm::BitstreamEntry::SubBlock:
switch (next.ID) {
case KNOWN_PROTOCOL_BLOCK_ID:
if (!readKnownProtocolsBlock(cursor))
return false;
break;
default:
// Unknown sub-block, which this version of the compiler won't use.
if (cursor.SkipBlock())
return false;
break;
}
// Unknown sub-block, which this version of the compiler won't use.
if (cursor.SkipBlock())
return false;
break;
case llvm::BitstreamEntry::Record:
@@ -1065,16 +1005,6 @@ void ModuleFile::loadExtensions(NominalTypeDecl *nominal) {
}
}
void ModuleFile::loadDeclsConformingTo(KnownProtocolKind kind) {
PrettyModuleFileDeserialization stackEntry(*this);
auto index = static_cast<unsigned>(kind);
for (DeclID DID : KnownProtocolAdopters[index]) {
Decl *D = getDecl(DID);
getContext().recordConformance(kind, D);
}
}
void ModuleFile::lookupClassMember(Module::AccessPathTy accessPath,
DeclName name,
SmallVectorImpl<ValueDecl*> &results) {