[llvm-commits] [llvm] r79784 - in /llvm/trunk: include/llvm/Support/raw_ostream.h lib/Support/raw_ostream.cpp

[Chris Lattner]

Author: lattner
Date: Sat Aug 22 18:10:29 2009
New Revision: 79784

URL: http://llvm.org/viewvc/llvm-project?rev=79784&view=rev
Log:
add a raw_ostream::indent method, to be used like:

  OS.indent(i) << "whatever";

people seem to like indenting things ;-)

Modified:
    llvm/trunk/include/llvm/Support/raw_ostream.h
    llvm/trunk/lib/Support/raw_ostream.cpp

Modified: llvm/trunk/include/llvm/Support/raw_ostream.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/raw_ostream.h?rev=79784&r1=79783&r2=79784&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/raw_ostream.h (original)
+++ llvm/trunk/include/llvm/Support/raw_ostream.h Sat Aug 22 18:10:29 2009
@@ -230,6 +230,10 @@
   // Formatted output, see the format() function in Support/Format.h.
   raw_ostream &operator<<(const format_object_base &Fmt);
 
+  /// indent - Insert 'NumSpaces' spaces.
+  raw_ostream &indent(unsigned NumSpaces);
+  
+  
   /// Changes the foreground color of text that will be output from this point
   /// forward.
   /// @param colors ANSI color to use, the special SAVEDCOLOR can be used to

Modified: llvm/trunk/lib/Support/raw_ostream.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/raw_ostream.cpp?rev=79784&r1=79783&r2=79784&view=diff

==============================================================================
--- llvm/trunk/lib/Support/raw_ostream.cpp (original)
+++ llvm/trunk/lib/Support/raw_ostream.cpp Sat Aug 22 18:10:29 2009
@@ -289,6 +289,23 @@
   }
 }
 
+/// indent - Insert 'NumSpaces' spaces.
+raw_ostream &raw_ostream::indent(unsigned NumSpaces) {
+  const char *Spaces = "                ";
+
+  // Usually the indentation is small, handle it with a fastpath.
+  if (NumSpaces <= 16)
+    return write(Spaces, NumSpaces);
+  
+  while (NumSpaces) {
+    unsigned NumToWrite = std::min(NumSpaces, 16U);
+    write(Spaces, NumToWrite);
+    NumSpaces -= NumToWrite;
+  }
+  return *this;
+}
+
+
 //===----------------------------------------------------------------------===//
 //  Formatted Output
 //===----------------------------------------------------------------------===//