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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
//===- PrettyClassDefinitionDumper.cpp --------------------------*- 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 "PrettyClassDefinitionDumper.h"
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#include "LinePrinter.h"
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#include "PrettyClassLayoutGraphicalDumper.h"
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#include "llvm-pdbutil.h"
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#include "llvm/ADT/APFloat.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
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#include "llvm/DebugInfo/PDB/UDTLayout.h"
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#include "llvm/Support/Format.h"
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using namespace llvm;
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using namespace llvm::pdb;
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ClassDefinitionDumper::ClassDefinitionDumper(LinePrinter &P)
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: PDBSymDumper(true), Printer(P) {}
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void ClassDefinitionDumper::start(const PDBSymbolTypeUDT &Class) {
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assert(opts::pretty::ClassFormat !=
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opts::pretty::ClassDefinitionFormat::None);
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ClassLayout Layout(Class);
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start(Layout);
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}
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void ClassDefinitionDumper::start(const ClassLayout &Layout) {
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prettyPrintClassIntro(Layout);
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PrettyClassLayoutGraphicalDumper Dumper(Printer, 1, 0);
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DumpedAnything |= Dumper.start(Layout);
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prettyPrintClassOutro(Layout);
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}
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void ClassDefinitionDumper::prettyPrintClassIntro(const ClassLayout &Layout) {
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DumpedAnything = false;
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Printer.NewLine();
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uint32_t Size = Layout.getSize();
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const PDBSymbolTypeUDT &Class = Layout.getClass();
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if (Layout.getClass().isConstType())
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WithColor(Printer, PDB_ColorItem::Keyword).get() << "const ";
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if (Layout.getClass().isVolatileType())
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WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile ";
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if (Layout.getClass().isUnalignedType())
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WithColor(Printer, PDB_ColorItem::Keyword).get() << "unaligned ";
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WithColor(Printer, PDB_ColorItem::Keyword).get() << Class.getUdtKind() << " ";
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WithColor(Printer, PDB_ColorItem::Type).get() << Class.getName();
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WithColor(Printer, PDB_ColorItem::Comment).get() << " [sizeof = " << Size
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<< "]";
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uint32_t BaseCount = Layout.bases().size();
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if (BaseCount > 0) {
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Printer.Indent();
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char NextSeparator = ':';
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for (auto BC : Layout.bases()) {
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const auto &Base = BC->getBase();
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if (Base.isIndirectVirtualBaseClass())
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continue;
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Printer.NewLine();
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Printer << NextSeparator << " ";
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WithColor(Printer, PDB_ColorItem::Keyword).get() << Base.getAccess();
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if (BC->isVirtualBase())
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WithColor(Printer, PDB_ColorItem::Keyword).get() << " virtual";
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WithColor(Printer, PDB_ColorItem::Type).get() << " " << Base.getName();
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NextSeparator = ',';
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}
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Printer.Unindent();
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}
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Printer << " {";
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Printer.Indent();
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}
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void ClassDefinitionDumper::prettyPrintClassOutro(const ClassLayout &Layout) {
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Printer.Unindent();
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if (DumpedAnything)
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Printer.NewLine();
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Printer << "}";
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Printer.NewLine();
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if (Layout.deepPaddingSize() > 0) {
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APFloat Pct(100.0 * (double)Layout.deepPaddingSize() /
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(double)Layout.getSize());
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SmallString<8> PctStr;
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Pct.toString(PctStr, 4);
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WithColor(Printer, PDB_ColorItem::Padding).get()
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<< "Total padding " << Layout.deepPaddingSize() << " bytes (" << PctStr
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<< "% of class size)";
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Printer.NewLine();
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APFloat Pct2(100.0 * (double)Layout.immediatePadding() /
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(double)Layout.getSize());
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PctStr.clear();
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Pct2.toString(PctStr, 4);
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WithColor(Printer, PDB_ColorItem::Padding).get()
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<< "Immediate padding " << Layout.immediatePadding() << " bytes ("
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<< PctStr << "% of class size)";
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Printer.NewLine();
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}
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}
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