109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
//===- PrettyClassDefinitionDumper.cpp --------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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-pdbdump.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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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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