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83acbbd523
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2072 a592a061-630c-0410-9148-cb99ea01b6c8
54 lines
1010 B
C++
54 lines
1010 B
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#ifndef TRACER_H
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#define TRACER_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "debug.h"
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#include "LString.h"
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///
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class Trace {
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public:
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///
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explicit
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Trace(string const & s) : str(s) {
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lyxerr << string(depth, ' ') << "TRACE IN: "
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<< str << std::endl;
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depth += 2;
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}
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///
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~Trace() {
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depth -= 2;
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lyxerr << string(depth, ' ') << "TRACE OUT: "
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<< str << std::endl;
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}
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private:
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///
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string str;
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///
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static int depth;
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};
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// To avoid wrong usage:
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// Trace("BufferView::update"); // wrong
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// Trace t("BufferView::update"); // right
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// we add this macro:
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///
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#define Trace(x) unnamed_Trace;
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// Tip gotten from Bobby Schmidt's column in C/C++ Users Journal
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#endif
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