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//===- ClassDefinitionDumper.cpp --------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ClassDefinitionDumper.h"
#include "FunctionDumper.h"
#include "llvm-pdbdump.h"
#include "TypedefDumper.h"
#include "VariableDumper.h"
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/PDBExtras.h"
#include "llvm/DebugInfo/PDB/PDBSymbolData.h"
#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h"
#include "llvm/Support/Format.h"
using namespace llvm;
ClassDefinitionDumper::ClassDefinitionDumper() : PDBSymDumper(true) {}
void ClassDefinitionDumper::start(const PDBSymbolTypeUDT &Class,
raw_ostream &OS, int Indent) {
OS << "class " << Class.getName() << " {";
auto Children = Class.findAllChildren();
if (Children->getChildCount() == 0) {
OS << "}";
return;
}
// Try to dump symbols organized by member access level. Public members
// first, then protected, then private. This might be slow, so it's worth
// reconsidering the value of this if performance of large PDBs is a problem.
// NOTE: Access level of nested types is not recorded in the PDB, so we have
// a special case for them.
SymbolGroupByAccess Groups;
Groups.insert(std::make_pair(0, SymbolGroup()));
Groups.insert(std::make_pair((int)PDB_MemberAccess::Private, SymbolGroup()));
Groups.insert(
std::make_pair((int)PDB_MemberAccess::Protected, SymbolGroup()));
Groups.insert(std::make_pair((int)PDB_MemberAccess::Public, SymbolGroup()));
while (auto Child = Children->getNext()) {
PDB_MemberAccess Access = Child->getRawSymbol().getAccess();
if (isa<PDBSymbolTypeBaseClass>(*Child))
continue;
auto &AccessGroup = Groups.find((int)Access)->second;
if (auto Func = dyn_cast<PDBSymbolFunc>(Child.get())) {
if (Func->isCompilerGenerated())
continue;
if (Func->getLength() == 0 && !Func->isPureVirtual())
continue;
Child.release();
AccessGroup.Functions.push_back(std::unique_ptr<PDBSymbolFunc>(Func));
} else if (auto Data = dyn_cast<PDBSymbolData>(Child.get())) {
Child.release();
AccessGroup.Data.push_back(std::unique_ptr<PDBSymbolData>(Data));
} else {
AccessGroup.Unknown.push_back(std::move(Child));
}
}
int Count = 0;
Count += dumpAccessGroup((PDB_MemberAccess)0, Groups[0], OS, Indent);
Count += dumpAccessGroup(PDB_MemberAccess::Public,
Groups[(int)PDB_MemberAccess::Public], OS, Indent);
Count +=
dumpAccessGroup(PDB_MemberAccess::Protected,
Groups[(int)PDB_MemberAccess::Protected], OS, Indent);
Count += dumpAccessGroup(PDB_MemberAccess::Private,
Groups[(int)PDB_MemberAccess::Private], OS, Indent);
if (Count > 0)
OS << newline(Indent);
OS << "}";
}
int ClassDefinitionDumper::dumpAccessGroup(PDB_MemberAccess Access,
const SymbolGroup &Group,
raw_ostream &OS, int Indent) {
if (Group.Functions.empty() && Group.Data.empty() && Group.Unknown.empty())
return 0;
int Count = 0;
if (Access == PDB_MemberAccess::Private)
OS << newline(Indent) << "private:";
else if (Access == PDB_MemberAccess::Protected)
OS << newline(Indent) << "protected:";
else if (Access == PDB_MemberAccess::Public)
OS << newline(Indent) << "public:";
for (auto iter = Group.Functions.begin(), end = Group.Functions.end();
iter != end; ++iter) {
++Count;
(*iter)->dump(OS, Indent + 2, *this);
}
for (auto iter = Group.Data.begin(), end = Group.Data.end(); iter != end;
++iter) {
++Count;
(*iter)->dump(OS, Indent + 2, *this);
}
for (auto iter = Group.Unknown.begin(), end = Group.Unknown.end();
iter != end; ++iter) {
++Count;
(*iter)->dump(OS, Indent + 2, *this);
}
return Count;
}
void ClassDefinitionDumper::dump(const PDBSymbolTypeBaseClass &Symbol,
raw_ostream &OS, int Indent) {}
void ClassDefinitionDumper::dump(const PDBSymbolData &Symbol, raw_ostream &OS,
int Indent) {
VariableDumper Dumper;
Dumper.start(Symbol, OS, Indent);
}
void ClassDefinitionDumper::dump(const PDBSymbolFunc &Symbol, raw_ostream &OS,
int Indent) {
FunctionDumper Dumper;
Dumper.start(Symbol, FunctionDumper::PointerType::None, OS, Indent);
}
void ClassDefinitionDumper::dump(const PDBSymbolTypeVTable &Symbol,
raw_ostream &OS, int Indent) {}
void ClassDefinitionDumper::dump(const PDBSymbolTypeEnum &Symbol,
raw_ostream &OS, int Indent) {
OS << newline(Indent) << "enum " << Symbol.getName();
}
void ClassDefinitionDumper::dump(const PDBSymbolTypeTypedef &Symbol,
raw_ostream &OS, int Indent) {
OS << newline(Indent);
TypedefDumper Dumper;
Dumper.start(Symbol, OS, Indent);
}
void ClassDefinitionDumper::dump(const PDBSymbolTypeUDT &Symbol,
raw_ostream &OS, int Indent) {}
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