llvm-6502/lib/DebugInfo/SyntaxHighlighting.cpp
Adrian Prantl aea3b23b9b Implement a very basic colored syntax highlighting for llvm-dwarfdump.
The color scheme is the same as the one used by the colorize dwarfdump
script on Darwin.
A new --color option can be used to forcibly turn color on or off.

http://reviews.llvm.org/D6852

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225269 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-06 16:50:25 +00:00

38 lines
1.4 KiB
C++

//===-- SyntaxHighlighting.cpp ----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "SyntaxHighlighting.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
using namespace dwarf;
using namespace syntax;
static cl::opt<cl::boolOrDefault>
UseColor("color",
cl::desc("use colored syntax highlighting (default=autodetect)"),
cl::init(cl::BOU_UNSET));
WithColor::WithColor(llvm::raw_ostream &OS, enum HighlightColor Type) : OS(OS) {
// Detect color from terminal type unless the user passed the --color option.
if (UseColor == cl::BOU_UNSET ? OS.has_colors() : UseColor == cl::BOU_TRUE) {
switch (Type) {
case Address: OS.changeColor(llvm::raw_ostream::YELLOW); break;
case String: OS.changeColor(llvm::raw_ostream::GREEN); break;
case Tag: OS.changeColor(llvm::raw_ostream::BLUE); break;
case Attribute: OS.changeColor(llvm::raw_ostream::CYAN); break;
case Enumerator: OS.changeColor(llvm::raw_ostream::MAGENTA); break;
}
}
}
WithColor::~WithColor() {
if (UseColor == cl::BOU_UNSET ? OS.has_colors() : UseColor == cl::BOU_TRUE)
OS.resetColor();
}