Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 115 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/Support/WithColor.h b/clang-r353983/include/llvm/Support/WithColor.h
new file mode 100644
index 00000000..f4e10758
--- /dev/null
+++ b/clang-r353983/include/llvm/Support/WithColor.h
@@ -0,0 +1,115 @@
+//===- WithColor.h ----------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_WITHCOLOR_H
+#define LLVM_SUPPORT_WITHCOLOR_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/CommandLine.h"
+
+namespace llvm {
+
+extern cl::OptionCategory ColorCategory;
+
+class raw_ostream;
+
+// Symbolic names for various syntax elements.
+enum class HighlightColor {
+  Address,
+  String,
+  Tag,
+  Attribute,
+  Enumerator,
+  Macro,
+  Error,
+  Warning,
+  Note,
+  Remark
+};
+
+/// An RAII object that temporarily switches an output stream to a specific
+/// color.
+class WithColor {
+  raw_ostream &OS;
+  bool DisableColors;
+
+public:
+  /// To be used like this: WithColor(OS, HighlightColor::String) << "text";
+  /// @param OS The output stream
+  /// @param S Symbolic name for syntax element to color
+  /// @param DisableColors Whether to ignore color changes regardless of -color
+  /// and support in OS
+  WithColor(raw_ostream &OS, HighlightColor S, bool DisableColors = false);
+  /// To be used like this: WithColor(OS, raw_ostream::Black) << "text";
+  /// @param OS The output stream
+  /// @param Color ANSI color to use, the special SAVEDCOLOR can be used to
+  /// change only the bold attribute, and keep colors untouched
+  /// @param Bold Bold/brighter text, default false
+  /// @param BG If true, change the background, default: change foreground
+  /// @param DisableColors Whether to ignore color changes regardless of -color
+  /// and support in OS
+  WithColor(raw_ostream &OS,
+            raw_ostream::Colors Color = raw_ostream::SAVEDCOLOR,
+            bool Bold = false, bool BG = false, bool DisableColors = false)
+      : OS(OS), DisableColors(DisableColors) {
+    changeColor(Color, Bold, BG);
+  }
+  ~WithColor();
+
+  raw_ostream &get() { return OS; }
+  operator raw_ostream &() { return OS; }
+  template <typename T> WithColor &operator<<(T &O) {
+    OS << O;
+    return *this;
+  }
+  template <typename T> WithColor &operator<<(const T &O) {
+    OS << O;
+    return *this;
+  }
+
+  /// Convenience method for printing "error: " to stderr.
+  static raw_ostream &error();
+  /// Convenience method for printing "warning: " to stderr.
+  static raw_ostream &warning();
+  /// Convenience method for printing "note: " to stderr.
+  static raw_ostream &note();
+  /// Convenience method for printing "remark: " to stderr.
+  static raw_ostream &remark();
+
+  /// Convenience method for printing "error: " to the given stream.
+  static raw_ostream &error(raw_ostream &OS, StringRef Prefix = "",
+                            bool DisableColors = false);
+  /// Convenience method for printing "warning: " to the given stream.
+  static raw_ostream &warning(raw_ostream &OS, StringRef Prefix = "",
+                              bool DisableColors = false);
+  /// Convenience method for printing "note: " to the given stream.
+  static raw_ostream &note(raw_ostream &OS, StringRef Prefix = "",
+                           bool DisableColors = false);
+  /// Convenience method for printing "remark: " to the given stream.
+  static raw_ostream &remark(raw_ostream &OS, StringRef Prefix = "",
+                             bool DisableColors = false);
+
+  /// Determine whether colors are displayed.
+  bool colorsEnabled();
+
+  /// Change the color of text that will be output from this point forward.
+  /// @param Color ANSI color to use, the special SAVEDCOLOR can be used to
+  /// change only the bold attribute, and keep colors untouched
+  /// @param Bold Bold/brighter text, default false
+  /// @param BG If true, change the background, default: change foreground
+  WithColor &changeColor(raw_ostream::Colors Color, bool Bold = false,
+                         bool BG = false);
+
+  /// Reset the colors to terminal defaults. Call this when you are done
+  /// outputting colored text, or before program exit.
+  WithColor &resetColor();
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_DEBUGINFO_WITHCOLOR_H