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123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
//===- NativeSymbolEnumerator.cpp - info about enumerators ------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/PDB/Native/NativeSymbolEnumerator.h"
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#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
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#include "llvm/DebugInfo/PDB/Native/NativeTypeBuiltin.h"
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#include "llvm/DebugInfo/PDB/Native/NativeTypeEnum.h"
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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::pdb;
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NativeSymbolEnumerator::NativeSymbolEnumerator(
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NativeSession &Session, SymIndexId Id, const NativeTypeEnum &Parent,
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codeview::EnumeratorRecord Record)
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: NativeRawSymbol(Session, PDB_SymType::Data, Id), Parent(Parent),
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Record(std::move(Record)) {}
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NativeSymbolEnumerator::~NativeSymbolEnumerator() {}
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void NativeSymbolEnumerator::dump(raw_ostream &OS, int Indent,
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PdbSymbolIdField ShowIdFields,
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PdbSymbolIdField RecurseIdFields) const {
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NativeRawSymbol::dump(OS, Indent, ShowIdFields, RecurseIdFields);
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dumpSymbolIdField(OS, "classParentId", getClassParentId(), Indent, Session,
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PdbSymbolIdField::ClassParent, ShowIdFields,
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RecurseIdFields);
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dumpSymbolIdField(OS, "lexicalParentId", getLexicalParentId(), Indent,
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Session, PdbSymbolIdField::LexicalParent, ShowIdFields,
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RecurseIdFields);
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dumpSymbolField(OS, "name", getName(), Indent);
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dumpSymbolIdField(OS, "typeId", getTypeId(), Indent, Session,
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PdbSymbolIdField::Type, ShowIdFields, RecurseIdFields);
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dumpSymbolField(OS, "dataKind", getDataKind(), Indent);
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dumpSymbolField(OS, "locationType", getLocationType(), Indent);
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dumpSymbolField(OS, "constType", isConstType(), Indent);
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dumpSymbolField(OS, "unalignedType", isUnalignedType(), Indent);
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dumpSymbolField(OS, "volatileType", isVolatileType(), Indent);
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dumpSymbolField(OS, "value", getValue(), Indent);
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}
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SymIndexId NativeSymbolEnumerator::getClassParentId() const {
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return Parent.getSymIndexId();
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}
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SymIndexId NativeSymbolEnumerator::getLexicalParentId() const { return 0; }
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std::string NativeSymbolEnumerator::getName() const { return Record.Name; }
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SymIndexId NativeSymbolEnumerator::getTypeId() const {
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return Parent.getTypeId();
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}
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PDB_DataKind NativeSymbolEnumerator::getDataKind() const {
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return PDB_DataKind::Constant;
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}
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PDB_LocType NativeSymbolEnumerator::getLocationType() const {
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return PDB_LocType::Constant;
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}
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bool NativeSymbolEnumerator::isConstType() const { return false; }
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bool NativeSymbolEnumerator::isVolatileType() const { return false; }
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bool NativeSymbolEnumerator::isUnalignedType() const { return false; }
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Variant NativeSymbolEnumerator::getValue() const {
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const NativeTypeBuiltin &BT = Parent.getUnderlyingBuiltinType();
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switch (BT.getBuiltinType()) {
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case PDB_BuiltinType::Int:
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case PDB_BuiltinType::Long:
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case PDB_BuiltinType::Char: {
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assert(Record.Value.isSignedIntN(BT.getLength() * 8));
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int64_t N = Record.Value.getSExtValue();
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switch (BT.getLength()) {
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case 1:
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return Variant{static_cast<int8_t>(N)};
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case 2:
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return Variant{static_cast<int16_t>(N)};
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case 4:
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return Variant{static_cast<int32_t>(N)};
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case 8:
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return Variant{static_cast<int64_t>(N)};
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}
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break;
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}
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case PDB_BuiltinType::UInt:
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case PDB_BuiltinType::ULong: {
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assert(Record.Value.isIntN(BT.getLength() * 8));
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uint64_t U = Record.Value.getZExtValue();
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switch (BT.getLength()) {
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case 1:
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return Variant{static_cast<uint8_t>(U)};
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case 2:
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return Variant{static_cast<uint16_t>(U)};
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case 4:
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return Variant{static_cast<uint32_t>(U)};
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case 8:
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return Variant{static_cast<uint64_t>(U)};
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}
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break;
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}
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case PDB_BuiltinType::Bool: {
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assert(Record.Value.isIntN(BT.getLength() * 8));
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uint64_t U = Record.Value.getZExtValue();
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return Variant{static_cast<bool>(U)};
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}
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default:
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assert(false && "Invalid enumeration type");
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break;
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}
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return Variant{Record.Value.getSExtValue()};
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}
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