| //===- PrettyClassDefinitionDumper.cpp --------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "PrettyClassDefinitionDumper.h" |
| |
| #include "LinePrinter.h" |
| #include "PrettyClassLayoutGraphicalDumper.h" |
| #include "llvm-pdbutil.h" |
| |
| #include "llvm/ADT/APFloat.h" |
| #include "llvm/ADT/SmallString.h" |
| #include "llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h" |
| #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h" |
| #include "llvm/DebugInfo/PDB/UDTLayout.h" |
| |
| #include "llvm/Support/Format.h" |
| |
| using namespace llvm; |
| using namespace llvm::pdb; |
| |
| ClassDefinitionDumper::ClassDefinitionDumper(LinePrinter &P) |
| : PDBSymDumper(true), Printer(P) {} |
| |
| void ClassDefinitionDumper::start(const PDBSymbolTypeUDT &Class) { |
| assert(opts::pretty::ClassFormat != |
| opts::pretty::ClassDefinitionFormat::None); |
| |
| ClassLayout Layout(Class); |
| start(Layout); |
| } |
| |
| void ClassDefinitionDumper::start(const ClassLayout &Layout) { |
| prettyPrintClassIntro(Layout); |
| |
| PrettyClassLayoutGraphicalDumper Dumper(Printer, 1, 0); |
| DumpedAnything |= Dumper.start(Layout); |
| |
| prettyPrintClassOutro(Layout); |
| } |
| |
| void ClassDefinitionDumper::prettyPrintClassIntro(const ClassLayout &Layout) { |
| DumpedAnything = false; |
| Printer.NewLine(); |
| |
| uint32_t Size = Layout.getSize(); |
| const PDBSymbolTypeUDT &Class = Layout.getClass(); |
| |
| if (Layout.getClass().isConstType()) |
| WithColor(Printer, PDB_ColorItem::Keyword).get() << "const "; |
| if (Layout.getClass().isVolatileType()) |
| WithColor(Printer, PDB_ColorItem::Keyword).get() << "volatile "; |
| if (Layout.getClass().isUnalignedType()) |
| WithColor(Printer, PDB_ColorItem::Keyword).get() << "unaligned "; |
| |
| WithColor(Printer, PDB_ColorItem::Keyword).get() << Class.getUdtKind() << " "; |
| WithColor(Printer, PDB_ColorItem::Type).get() << Class.getName(); |
| WithColor(Printer, PDB_ColorItem::Comment).get() << " [sizeof = " << Size |
| << "]"; |
| uint32_t BaseCount = Layout.bases().size(); |
| if (BaseCount > 0) { |
| Printer.Indent(); |
| char NextSeparator = ':'; |
| for (auto BC : Layout.bases()) { |
| const auto &Base = BC->getBase(); |
| if (Base.isIndirectVirtualBaseClass()) |
| continue; |
| |
| Printer.NewLine(); |
| Printer << NextSeparator << " "; |
| WithColor(Printer, PDB_ColorItem::Keyword).get() << Base.getAccess(); |
| if (BC->isVirtualBase()) |
| WithColor(Printer, PDB_ColorItem::Keyword).get() << " virtual"; |
| |
| WithColor(Printer, PDB_ColorItem::Type).get() << " " << Base.getName(); |
| NextSeparator = ','; |
| } |
| |
| Printer.Unindent(); |
| } |
| |
| Printer << " {"; |
| Printer.Indent(); |
| } |
| |
| void ClassDefinitionDumper::prettyPrintClassOutro(const ClassLayout &Layout) { |
| Printer.Unindent(); |
| if (DumpedAnything) |
| Printer.NewLine(); |
| Printer << "}"; |
| Printer.NewLine(); |
| if (Layout.deepPaddingSize() > 0) { |
| APFloat Pct(100.0 * (double)Layout.deepPaddingSize() / |
| (double)Layout.getSize()); |
| SmallString<8> PctStr; |
| Pct.toString(PctStr, 4); |
| WithColor(Printer, PDB_ColorItem::Padding).get() |
| << "Total padding " << Layout.deepPaddingSize() << " bytes (" << PctStr |
| << "% of class size)"; |
| Printer.NewLine(); |
| APFloat Pct2(100.0 * (double)Layout.immediatePadding() / |
| (double)Layout.getSize()); |
| PctStr.clear(); |
| Pct2.toString(PctStr, 4); |
| WithColor(Printer, PDB_ColorItem::Padding).get() |
| << "Immediate padding " << Layout.immediatePadding() << " bytes (" |
| << PctStr << "% of class size)"; |
| Printer.NewLine(); |
| } |
| } |