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allow default construction of formatted_raw_ostream.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75674 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-14 20:33:33 +00:00
parent 5473f07314
commit 4a18d2f1cc
1 changed files with 11 additions and 4 deletions
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15
include/llvm/Support/FormattedStream.h
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@ -35,7 +35,7 @@ namespace llvm
private: private:
/// TheStream - The real stream we output to. /// TheStream - The real stream we output to.
/// ///
raw_ostream &TheStream; raw_ostream *TheStream;
/// DeleteStream - Do we need to delete TheStream in the /// DeleteStream - Do we need to delete TheStream in the
/// destructor? /// destructor?
/// ///
@ -48,7 +48,7 @@ namespace llvm
virtual void write_impl(const char *Ptr, unsigned Size) { virtual void write_impl(const char *Ptr, unsigned Size) {
ComputeColumn(Ptr, Size); ComputeColumn(Ptr, Size);
TheStream.write(Ptr, Size); TheStream->write(Ptr, Size);
} }
/// current_pos - Return the current position within the stream, /// current_pos - Return the current position within the stream,
@ -56,7 +56,7 @@ namespace llvm
virtual uint64_t current_pos() { virtual uint64_t current_pos() {
// This has the same effect as calling TheStream.current_pos(), // This has the same effect as calling TheStream.current_pos(),
// but that interface is private. // but that interface is private.
return TheStream.tell() - TheStream.GetNumBytesInBuffer(); return TheStream->tell() - TheStream->GetNumBytesInBuffer();
} }
/// ComputeColumn - Examine the current output and figure out /// ComputeColumn - Examine the current output and figure out
@ -75,12 +75,19 @@ namespace llvm
/// \param Binary - The file should be opened in binary mode on /// \param Binary - The file should be opened in binary mode on
/// platforms that support this distinction. /// platforms that support this distinction.
formatted_raw_ostream(raw_ostream &Stream, bool Delete = false) formatted_raw_ostream(raw_ostream &Stream, bool Delete = false)
: raw_ostream(), TheStream(Stream), DeleteStream(Delete), Column(0) {} : raw_ostream(), TheStream(&Stream), DeleteStream(Delete), Column(0) {}
explicit formatted_raw_ostream()
: raw_ostream(), TheStream(0), DeleteStream(false), Column(0) {}
~formatted_raw_ostream() { ~formatted_raw_ostream() {
if (DeleteStream) if (DeleteStream)
delete &TheStream; delete &TheStream;
} }
void setStream(raw_ostream &Stream, bool Delete = false) {
TheStream = &Stream;
DeleteStream = Delete;
}
/// PadToColumn - Align the output to some column number. /// PadToColumn - Align the output to some column number.
/// ///