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Add some hooks that a redesigned AsmStream needs to do its job. These
allow derived classes to examine the stream buffer before it's flushed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75199 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -44,6 +44,22 @@ private:
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char *OutBufStart, *OutBufEnd, *OutBufCur;
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char *OutBufStart, *OutBufEnd, *OutBufCur;
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bool Unbuffered;
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bool Unbuffered;
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protected:
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/// CurBufPtr - Get a pointer to the current location in the buffer.
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///
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char *CurBufPtr(void) { return OutBufCur; }
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/// StartBufPtr - Get a pointer to the start of the buffer
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///
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char *StartBufPtr(void) { return OutBufStart; }
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/// EndBufPtr - Get a pointer to the end of the buffer
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///
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char *EndBufPtr(void) { return OutBufEnd; }
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/// AboutToFlush- Called when the buffer is about to be flushed,
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/// allowing derived classes to take some action.
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///
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virtual void AboutToFlush(void) {};
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public:
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public:
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// color order matches ANSI escape sequence, don't change
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// color order matches ANSI escape sequence, don't change
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enum Colors {
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enum Colors {
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@ -120,6 +120,7 @@ raw_ostream &raw_ostream::operator<<(const void *P) {
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void raw_ostream::flush_nonempty() {
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void raw_ostream::flush_nonempty() {
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assert(OutBufCur > OutBufStart && "Invalid call to flush_nonempty.");
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assert(OutBufCur > OutBufStart && "Invalid call to flush_nonempty.");
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AboutToFlush();
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write_impl(OutBufStart, OutBufCur - OutBufStart);
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write_impl(OutBufStart, OutBufCur - OutBufStart);
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OutBufCur = OutBufStart;
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OutBufCur = OutBufStart;
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}
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}
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