hanchenye-llvm-project/llvm/tools/llvm-pdbdump/LinePrinter.cpp

138 lines
3.8 KiB
C++

//===- 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-pdbdump.h"
#include "llvm/Support/Regex.h"
#include <algorithm>
namespace {
template <class T, class Pred> bool any_of_range(T &&R, Pred P) {
return std::any_of(R.begin(), R.end(), P);
}
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_range(IncludeFilters, match_pred))
return true;
if (any_of_range(ExcludeFilters, match_pred))
return true;
return false;
}
}
using namespace llvm;
LinePrinter::LinePrinter(int Indent, llvm::raw_ostream &Stream)
: OS(Stream), IndentSpaces(Indent), CurrentIndent(0) {
SetFilters(ExcludeTypeFilters, opts::ExcludeTypes.begin(),
opts::ExcludeTypes.end());
SetFilters(ExcludeSymbolFilters, opts::ExcludeSymbols.begin(),
opts::ExcludeSymbols.end());
SetFilters(ExcludeCompilandFilters, opts::ExcludeCompilands.begin(),
opts::ExcludeCompilands.end());
SetFilters(IncludeTypeFilters, opts::IncludeTypes.begin(),
opts::IncludeTypes.end());
SetFilters(IncludeSymbolFilters, opts::IncludeSymbols.begin(),
opts::IncludeSymbols.end());
SetFilters(IncludeCompilandFilters, opts::IncludeCompilands.begin(),
opts::IncludeCompilands.end());
}
void LinePrinter::Indent() { CurrentIndent += IndentSpaces; }
void LinePrinter::Unindent() {
CurrentIndent = std::max(0, CurrentIndent - IndentSpaces);
}
void LinePrinter::NewLine() {
OS << "\n";
OS.indent(CurrentIndent);
}
bool LinePrinter::IsTypeExcluded(llvm::StringRef TypeName) {
return IsItemExcluded(TypeName, IncludeTypeFilters, ExcludeTypeFilters);
}
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) {
if (C == PDB_ColorItem::None)
OS.resetColor();
else {
raw_ostream::Colors Color;
bool Bold;
translateColor(C, Color, Bold);
OS.changeColor(Color, Bold);
}
}
WithColor::~WithColor() { OS.resetColor(); }
void WithColor::translateColor(PDB_ColorItem C, raw_ostream::Colors &Color,
bool &Bold) const {
switch (C) {
case PDB_ColorItem::Address:
Color = raw_ostream::YELLOW;
Bold = true;
return;
case PDB_ColorItem::Keyword:
Color = raw_ostream::MAGENTA;
Bold = true;
return;
case PDB_ColorItem::Register:
case PDB_ColorItem::Offset:
Color = raw_ostream::YELLOW;
Bold = false;
return;
case PDB_ColorItem::Type:
Color = raw_ostream::CYAN;
Bold = true;
return;
case PDB_ColorItem::Identifier:
Color = raw_ostream::CYAN;
Bold = false;
return;
case PDB_ColorItem::Path:
Color = raw_ostream::CYAN;
Bold = false;
return;
case PDB_ColorItem::SectionHeader:
Color = raw_ostream::RED;
Bold = true;
return;
case PDB_ColorItem::LiteralValue:
Color = raw_ostream::GREEN;
Bold = true;
default:
return;
}
}