• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 //===-- SyntaxHighlighting.cpp ----------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "SyntaxHighlighting.h"
11 #include "llvm/Support/CommandLine.h"
12 using namespace llvm;
13 using namespace dwarf;
14 using namespace syntax;
15 
16 static cl::opt<cl::boolOrDefault>
17     UseColor("color",
18              cl::desc("use colored syntax highlighting (default=autodetect)"),
19              cl::init(cl::BOU_UNSET));
20 
WithColor(llvm::raw_ostream & OS,enum HighlightColor Type)21 WithColor::WithColor(llvm::raw_ostream &OS, enum HighlightColor Type) : OS(OS) {
22   // Detect color from terminal type unless the user passed the --color option.
23   if (UseColor == cl::BOU_UNSET ? OS.has_colors() : UseColor == cl::BOU_TRUE) {
24     switch (Type) {
25     case Address:    OS.changeColor(llvm::raw_ostream::YELLOW);  break;
26     case String:     OS.changeColor(llvm::raw_ostream::GREEN);   break;
27     case Tag:        OS.changeColor(llvm::raw_ostream::BLUE);    break;
28     case Attribute:  OS.changeColor(llvm::raw_ostream::CYAN);    break;
29     case Enumerator: OS.changeColor(llvm::raw_ostream::MAGENTA); break;
30     case Macro:      OS.changeColor(llvm::raw_ostream::RED);     break;
31     }
32   }
33 }
34 
~WithColor()35 WithColor::~WithColor() {
36   if (UseColor == cl::BOU_UNSET ? OS.has_colors() : UseColor == cl::BOU_TRUE)
37     OS.resetColor();
38 }
39