diff options
| -rw-r--r-- | include/llvm/Support/raw_ostream.h | 4 | ||||
| -rw-r--r-- | lib/Support/raw_ostream.cpp | 17 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h index a9d1b5a7a2..c9a8787429 100644 --- a/include/llvm/Support/raw_ostream.h +++ b/include/llvm/Support/raw_ostream.h @@ -230,6 +230,10 @@ public: // 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 diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp index 917e6be669..94507bd67b 100644 --- a/lib/Support/raw_ostream.cpp +++ b/lib/Support/raw_ostream.cpp @@ -289,6 +289,23 @@ raw_ostream &raw_ostream::operator<<(const format_object_base &Fmt) { } } +/// 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 //===----------------------------------------------------------------------===// |