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//===- TypeTableCollection.cpp -------------------------------- *- C++ --*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
#include "llvm/DebugInfo/CodeView/RecordName.h"
#include "llvm/Support/BinaryStreamReader.h"
using namespace llvm;
using namespace llvm::codeview;
TypeTableCollection::TypeTableCollection(ArrayRef<ArrayRef<uint8_t>> Records)
: NameStorage(Allocator), Records(Records) {
Names.resize(Records.size());
}
Optional<TypeIndex> TypeTableCollection::getFirst() {
if (empty())
return None;
return TypeIndex::fromArrayIndex(0);
}
Optional<TypeIndex> TypeTableCollection::getNext(TypeIndex Prev) {
assert(contains(Prev));
++Prev;
if (Prev.toArrayIndex() == size())
return None;
return Prev;
}
CVType TypeTableCollection::getType(TypeIndex Index) {
assert(Index.toArrayIndex() < Records.size());
ArrayRef<uint8_t> Bytes = Records[Index.toArrayIndex()];
const RecordPrefix *Prefix =
reinterpret_cast<const RecordPrefix *>(Bytes.data());
TypeLeafKind Kind = static_cast<TypeLeafKind>(uint16_t(Prefix->RecordKind));
return CVType(Kind, Bytes);
}
StringRef TypeTableCollection::getTypeName(TypeIndex Index) {
if (Index.isNoneType() || Index.isSimple())
return TypeIndex::simpleTypeName(Index);
uint32_t I = Index.toArrayIndex();
if (Names[I].data() == nullptr) {
StringRef Result = NameStorage.save(computeTypeName(*this, Index));
Names[I] = Result;
}
return Names[I];
}
bool TypeTableCollection::contains(TypeIndex Index) {
return Index.toArrayIndex() <= size();
}
uint32_t TypeTableCollection::size() { return Records.size(); }
uint32_t TypeTableCollection::capacity() { return Records.size(); }
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