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raw_ostream: Add a has_colors() method.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160558 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2012-07-20 18:29:41 +00:00
parent 7d83658140
commit d79637b940
2 changed files with 9 additions and 0 deletions
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5
include/llvm/Support/raw_ostream.h
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@ -230,6 +230,9 @@ public:
/// rather than being put on a pipe or stored in a file.
virtual bool is_displayed() const { return false; }
/// This function determines if this stream is displayed and supports colors.
virtual bool has_colors() const { return is_displayed(); }
//===--------------------------------------------------------------------===//
// Subclass Interface
//===--------------------------------------------------------------------===//
@ -386,6 +389,8 @@ public:
virtual bool is_displayed() const;
virtual bool has_colors() const;
/// has_error - Return the value of the flag in this raw_fd_ostream indicating
/// whether an output error has been encountered.
/// This doesn't implicitly flush any pending output. Also, it doesn't

4
lib/Support/raw_ostream.cpp
View File

@ -651,6 +651,10 @@ bool raw_fd_ostream::is_displayed() const {
return sys::Process::FileDescriptorIsDisplayed(FD);
}
bool raw_fd_ostream::has_colors() const {
return sys::Process::FileDescriptorHasColors(FD);
}
//===----------------------------------------------------------------------===//
// outs(), errs(), nulls()
//===----------------------------------------------------------------------===//