allow default construction of formatted_raw_ostream.

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

View File

@ -35,7 +35,7 @@ namespace llvm
private:
/// TheStream - The real stream we output to.
///
raw_ostream &TheStream;
raw_ostream *TheStream;
/// DeleteStream - Do we need to delete TheStream in the
/// destructor?
///
@ -48,7 +48,7 @@ namespace llvm
virtual void write_impl(const char *Ptr, unsigned Size) {
ComputeColumn(Ptr, Size);
TheStream.write(Ptr, Size);
TheStream->write(Ptr, Size);
}
/// current_pos - Return the current position within the stream,
@ -56,7 +56,7 @@ namespace llvm
virtual uint64_t current_pos() {
// This has the same effect as calling TheStream.current_pos(),
// but that interface is private.
return TheStream.tell() - TheStream.GetNumBytesInBuffer();
return TheStream->tell() - TheStream->GetNumBytesInBuffer();
}
/// 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
/// platforms that support this distinction.
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() {
if (DeleteStream)
delete &TheStream;
}
void setStream(raw_ostream &Stream, bool Delete = false) {
TheStream = &Stream;
DeleteStream = Delete;
}
/// PadToColumn - Align the output to some column number.
///