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Use setStream infomatted_raw_ostream's constructor, to reduce code

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duplication. Also, make setStream honor the old DeleteStream flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76075 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-07-16 15:37:26 +00:00
parent 3724b48258
commit 6d53f55291
1 changed files with 9 additions and 10 deletions
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19
include/llvm/Support/FormattedStream.h
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@ -77,15 +77,8 @@ namespace llvm
/// underneath it.
///
formatted_raw_ostream(raw_ostream &Stream, bool Delete = false)
: raw_ostream(), TheStream(&Stream), DeleteStream(Delete), Column(0) {
// This formatted_raw_ostream inherits from raw_ostream, so it'll do its
// own buffering, and it doesn't need or want TheStream to do another
// layer of buffering underneath. Resize the buffer to what TheStream
// had been using, and tell TheStream not to do its own buffering.
TheStream->flush();
if (size_t BufferSize = TheStream->GetNumBytesInBuffer())
SetBufferSize(BufferSize);
TheStream->SetUnbuffered();
: raw_ostream(), TheStream(0), DeleteStream(false), Column(0) {
setStream(Stream, Delete);
}
explicit formatted_raw_ostream()
: raw_ostream(), TheStream(0), DeleteStream(false), Column(0) {}
@ -96,10 +89,16 @@ namespace llvm
}
void setStream(raw_ostream &Stream, bool Delete = false) {
if (DeleteStream)
delete TheStream;
TheStream = &Stream;
DeleteStream = Delete;
// Avoid double-buffering, as above.
// This formatted_raw_ostream inherits from raw_ostream, so it'll do its
// own buffering, and it doesn't need or want TheStream to do another
// layer of buffering underneath. Resize the buffer to what TheStream
// had been using, and tell TheStream not to do its own buffering.
TheStream->flush();
if (size_t BufferSize = TheStream->GetNumBytesInBuffer())
SetBufferSize(BufferSize);