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//===- LinePrinter.cpp ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "LinePrinter.h"
#include "llvm-pdbutil.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/DebugInfo/PDB/UDTLayout.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/Regex.h"
#include <algorithm>
using namespace llvm;
using namespace llvm::pdb;
namespace {
bool IsItemExcluded(llvm::StringRef Item,
std::list<llvm::Regex> &IncludeFilters,
std::list<llvm::Regex> &ExcludeFilters) {
if (Item.empty())
return false;
auto match_pred = [Item](llvm::Regex &R) { return R.match(Item); };
// Include takes priority over exclude. If the user specified include
// filters, and none of them include this item, them item is gone.
if (!IncludeFilters.empty() && !any_of(IncludeFilters, match_pred))
return true;
if (any_of(ExcludeFilters, match_pred))
return true;
return false;
}
}
using namespace llvm;
LinePrinter::LinePrinter(int Indent, bool UseColor, llvm::raw_ostream &Stream)
: OS(Stream), IndentSpaces(Indent), CurrentIndent(0), UseColor(UseColor) {
SetFilters(ExcludeTypeFilters, opts::pretty::ExcludeTypes.begin(),
opts::pretty::ExcludeTypes.end());
SetFilters(ExcludeSymbolFilters, opts::pretty::ExcludeSymbols.begin(),
opts::pretty::ExcludeSymbols.end());
SetFilters(ExcludeCompilandFilters, opts::pretty::ExcludeCompilands.begin(),
opts::pretty::ExcludeCompilands.end());
SetFilters(IncludeTypeFilters, opts::pretty::IncludeTypes.begin(),
opts::pretty::IncludeTypes.end());
SetFilters(IncludeSymbolFilters, opts::pretty::IncludeSymbols.begin(),
opts::pretty::IncludeSymbols.end());
SetFilters(IncludeCompilandFilters, opts::pretty::IncludeCompilands.begin(),
opts::pretty::IncludeCompilands.end());
}
void LinePrinter::Indent(uint32_t Amount) {
if (Amount == 0)
Amount = IndentSpaces;
CurrentIndent += Amount;
}
void LinePrinter::Unindent(uint32_t Amount) {
if (Amount == 0)
Amount = IndentSpaces;
CurrentIndent = std::max<int>(0, CurrentIndent - Amount);
}
void LinePrinter::NewLine() {
OS << "\n";
OS.indent(CurrentIndent);
}
void LinePrinter::print(const Twine &T) { OS << T; }
void LinePrinter::printLine(const Twine &T) {
NewLine();
OS << T;
}
bool LinePrinter::IsClassExcluded(const ClassLayout &Class) {
if (IsTypeExcluded(Class.getName(), Class.getSize()))
return true;
if (Class.deepPaddingSize() < opts::pretty::PaddingThreshold)
return true;
return false;
}
void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data,
uint32_t StartOffset) {
NewLine();
OS << Label << " (";
if (!Data.empty()) {
OS << "\n";
OS << format_bytes_with_ascii(Data, StartOffset, 32, 4,
CurrentIndent + IndentSpaces, true);
NewLine();
}
OS << ")";
}
bool LinePrinter::IsTypeExcluded(llvm::StringRef TypeName, uint32_t Size) {
if (IsItemExcluded(TypeName, IncludeTypeFilters, ExcludeTypeFilters))
return true;
if (Size < opts::pretty::SizeThreshold)
return true;
return false;
}
bool LinePrinter::IsSymbolExcluded(llvm::StringRef SymbolName) {
return IsItemExcluded(SymbolName, IncludeSymbolFilters, ExcludeSymbolFilters);
}
bool LinePrinter::IsCompilandExcluded(llvm::StringRef CompilandName) {
return IsItemExcluded(CompilandName, IncludeCompilandFilters,
ExcludeCompilandFilters);
}
WithColor::WithColor(LinePrinter &P, PDB_ColorItem C)
: OS(P.OS), UseColor(P.hasColor()) {
if (UseColor)
applyColor(C);
}
WithColor::~WithColor() {
if (UseColor)
OS.resetColor();
}
void WithColor::applyColor(PDB_ColorItem C) {
switch (C) {
case PDB_ColorItem::None:
OS.resetColor();
return;
case PDB_ColorItem::Comment:
OS.changeColor(raw_ostream::GREEN, false);
return;
case PDB_ColorItem::Address:
OS.changeColor(raw_ostream::YELLOW, /*bold=*/true);
return;
case PDB_ColorItem::Keyword:
OS.changeColor(raw_ostream::MAGENTA, true);
return;
case PDB_ColorItem::Register:
case PDB_ColorItem::Offset:
OS.changeColor(raw_ostream::YELLOW, false);
return;
case PDB_ColorItem::Type:
OS.changeColor(raw_ostream::CYAN, true);
return;
case PDB_ColorItem::Identifier:
OS.changeColor(raw_ostream::CYAN, false);
return;
case PDB_ColorItem::Path:
OS.changeColor(raw_ostream::CYAN, false);
return;
case PDB_ColorItem::Padding:
case PDB_ColorItem::SectionHeader:
OS.changeColor(raw_ostream::RED, true);
return;
case PDB_ColorItem::LiteralValue:
OS.changeColor(raw_ostream::GREEN, true);
return;
}
}
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