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
llvm-svn: 225269
diff --git a/llvm/lib/DebugInfo/SyntaxHighlighting.h b/llvm/lib/DebugInfo/SyntaxHighlighting.h
new file mode 100644
index 0000000..946a313
--- /dev/null
+++ b/llvm/lib/DebugInfo/SyntaxHighlighting.h
@@ -0,0 +1,39 @@
+//===-- SyntaxHighlighting.h ------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_DEBUGINFO_SYNTAXHIGHLIGHTING_H
+#define LLVM_LIB_DEBUGINFO_SYNTAXHIGHLIGHTING_H
+
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+namespace dwarf {
+namespace syntax {
+
+// Symbolic names for various syntax elements.
+enum HighlightColor { Address, String, Tag, Attribute, Enumerator };
+
+/// An RAII object that temporarily switches an output stream to a
+/// specific color.
+class WithColor {
+ llvm::raw_ostream &OS;
+
+public:
+ /// To be used like this: WithColor(OS, syntax::String) << "text";
+ WithColor(llvm::raw_ostream &OS, enum HighlightColor Type);
+ ~WithColor();
+
+ llvm::raw_ostream& get() { return OS; }
+ operator llvm::raw_ostream& () { return OS; }
+};
+}
+}
+}
+
+#endif