Move llvm/Support/MDBuilder.h to llvm/MDBuilder.h, to live with

[oota-llvm.git] / include / llvm / Support / raw_ostream.h

diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index d55feb7b0f31ebf50d915b4cf03f88242fdb0ac0..6c5d4787e0f5096dc1e510edaf0f20472dbbb87b 100644 (file)
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -15,7 +15,7 @@
 #define LLVM_SUPPORT_RAW_OSTREAM_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/DataTypes.h"
 
 namespace llvm {
   class format_object_base;
@@ -196,7 +196,7 @@ public:
 
   /// write_escaped - Output \arg Str, turning '\\', '\t', '\n', '"', and
   /// anything that doesn't satisfy std::isprint into an escape sequence.
-  raw_ostream &write_escaped(StringRef Str);
+  raw_ostream &write_escaped(StringRef Str, bool UseHexEscapes = false);
 
   raw_ostream &write(unsigned char C);
   raw_ostream &write(const char *Ptr, size_t Size);
@@ -222,6 +222,9 @@ public:
   /// outputting colored text, or before program exit.
   virtual raw_ostream &resetColor() { return *this; }
 
+  /// Reverses the forground and background colors.
+  virtual raw_ostream &reverseColor() { return *this; }
+
   /// This function determines if this stream is connected to a "tty" or
   /// "console" window. That is, the output would be displayed to the user
   /// rather than being put on a pipe or stored in a file.
@@ -301,6 +304,10 @@ class raw_fd_ostream : public raw_ostream {
   ///
   bool Error;
 
+  /// Controls whether the stream should attempt to use atomic writes, when
+  /// possible.
+  bool UseAtomicWrites;
+
   uint64_t pos;
 
   /// write_impl - See raw_ostream::write_impl.
@@ -361,10 +368,22 @@ public:
   /// position to the offset specified from the beginning of the file.
   uint64_t seek(uint64_t off);
 
+  /// SetUseAtomicWrite - Set the stream to attempt to use atomic writes for
+  /// individual output routines where possible.
+  ///
+  /// Note that because raw_ostream's are typically buffered, this flag is only
+  /// sensible when used on unbuffered streams which will flush their output
+  /// immediately.
+  void SetUseAtomicWrites(bool Value) {
+    UseAtomicWrites = Value;
+  }
+
   virtual raw_ostream &changeColor(enum Colors colors, bool bold=false,
                                    bool bg=false);
   virtual raw_ostream &resetColor();
 
+  virtual raw_ostream &reverseColor();
+
   virtual bool is_displayed() const;
 
   /// has_error - Return the value of the flag in this raw_fd_ostream indicating