Create mechanism to handle packages for which we only know after parsing

[lyx.git] / src / support / debug.h

diff --git a/src/support/debug.h b/src/support/debug.h
index ac22450384ae233bb6f2d5d55834842f7dbc75e4..d636e4c5c32a3c4d1487a82a3a803e47be86cfd4 100644 (file)
--- a/src/support/debug.h
+++ b/src/support/debug.h
@@ -2,15 +2,12 @@
 /**
  * \file debug.h
  *
- * FIXME: It would be nice if, in lyx::use_gui mode, instead of
- * outputting to the console, we would pipe all messages onto a file
- * and visualise the contents dynamically in a Qt window if needed.
- *
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
  * \author Jean-Marc Lasgouttes
+ * \author Pavel Sanda
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -20,7 +17,6 @@
 
 #include "support/strfwd.h"
 
-
 namespace std {
 
 class ios_base;
@@ -66,7 +62,7 @@ namespace Debug {
                ///
                LYXSERVER  = (1 << 12),  // 4096
                ///
-               ROFF       = (1 << 13),  // 8192
+               UNDO       = (1 << 13),  // 8192
                ///
                ACTION     = (1 << 14),   // 16384
                ///
@@ -90,24 +86,45 @@ namespace Debug {
                ///
                PAINTING   = (1 << 24),
                ///
+               SCROLLING  = (1 << 25),
+               ///
+               MACROS     = (1 << 26),
+               ///     rtl-related
+               RTL        = (1 << 27),
+               ///     locale related
+               LOCALE     = (1 << 28),
+               ///     selection
+               SELECTION  = (1 << 29),
+               /// Find and Replace
+               FIND       = (1 << 30),
+               ///
                DEBUG      = (1 << 31),
                ///
                ANY = 0xffffffff
        };
 
-       /** A function to convert symbolic string names on debug levels
-           to their numerical value.
-       */
+       /// Return number of levels
+       int levelCount();
+ 
+       /// A function to convert debug level string names numerical values
        Type value(std::string const & val);
 
-       /** Display the tags and descriptions of the current debug level
-           of ds
-       */
+       /// A function to convert index of level to their numerical value
+       Type value(int val);
+
+       /// Return description of level
+       std::string const description(Type val);
+
+       /// Return name of level
+       std::string const name(Type val);
+
+       /// Display the tags and descriptions of the current debug level
        void showLevel(std::ostream & os, Type level);
 
-       /** show all the possible tags that can be used for debugging */
+       /// Show all the possible tags that can be used for debugging
        void showTags(std::ostream & os);
 
+
 } // namespace Debug
 
 
@@ -120,31 +137,51 @@ inline void operator|=(Debug::Type & d1, Debug::Type d2)
 class LyXErr
 {
 public:
+       LyXErr(): enabled_(true), second_enabled_(false) {}
+       
        /// Disable the stream completely
        void disable();
        /// Enable the stream after a possible call of disable()
        void enable();
-       /// Returns true if t is part of the current debug level.
-       bool debugging(Debug::Type t = Debug::ANY) const;
+
        /// Ends output
        void endl();
-       /// Sets stream
-       void setStream(std::ostream & os) { stream_ = &os; }
-       /// Sets stream
+
+       /// Returns stream
        std::ostream & stream() { return *stream_; }
-       /// Sets the debug level to t.
-       void level(Debug::Type t) { dt = t; }
-       /// Returns the current debug level.
-       Debug::Type level() const { return dt; }
        /// Returns stream
        operator std::ostream &() { return *stream_; }
+       /// Sets stream
+       void setStream(std::ostream & os) { stream_ = &os; }
+       /// Is the stream enabled ?
+       bool enabled() const { return enabled_; }
+
+       /// Returns second stream
+       std::ostream & secondStream() { return *second_stream_; };
+       /// Sets second stream
+       void setSecondStream(std::ostream * os) 
+               { second_enabled_ = (second_stream_ = os); }
+       /// Is the second stream is enabled?
+       bool secondEnabled() { return second_enabled_; }
+
+       /// Sets the debug level
+       void setLevel(Debug::Type t) { dt_ = t; }
+       /// Returns the current debug level
+       Debug::Type level() const { return dt_; }
+       /// Returns true if t is part of the current debug level
+       bool debugging(Debug::Type t = Debug::ANY) const;
+
 private:
        /// The current debug level
-       Debug::Type dt;
-       /// Is the stream enabled?
-       bool enabled_;
+       Debug::Type dt_;
        /// The real stream
        std::ostream * stream_;
+       /// Is the stream enabled?
+       bool enabled_;
+       /// Next stream for output duplication
+       std::ostream * second_stream_;
+       /// Is the second stream enabled?
+       bool second_enabled_;
 };
 
 namespace support { class FileName; }
@@ -167,27 +204,23 @@ extern LyXErr lyxerr;
 
 } // namespace lyx
 
-// stolen from boost/current_function.hpp
-#if defined(__GNUC__) || (defined(__MWERKS__) && (__MWERKS__ >= 0x3000)) || (defined(__ICC) && (__ICC >= 600))
-# define CURRENT_FUNCTION __PRETTY_FUNCTION__
-#elif defined(__FUNCSIG__)
-# define CURRENT_FUNCTION __FUNCSIG__
-#elif (defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 600)) || (defined(__IBMCPP__) && (__IBMCPP__ >= 500))
-# define CURRENT_FUNCTION __FUNCTION__
-#elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x550)
-# define CURRENT_FUNCTION __FUNC__
-#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)
-# define CURRENT_FUNCTION __func__
+#if USE_BOOST_CURRENT_FUNCTION
+#      include <boost/current_function.hpp>
+#      define CURRENT_POSITION BOOST_CURRENT_FUNCTION ": "
 #else
-# define CURRENT_FUNCTION "(unknown)"
+# define CURRENT_POSITION __FILE__ << "(" << __LINE__ << "): "
 #endif
 
 #define LYXERR(type, msg) \
        do { \
                if (!lyx::lyxerr.debugging(type)) {} \
-               else { lyx::lyxerr << CURRENT_FUNCTION <<": "<<msg; lyx::lyxerr.endl(); } \
+               else { lyx::lyxerr << CURRENT_POSITION << msg; lyx::lyxerr.endl(); } \
+       } while (0)
+
+#define LYXERR0(msg) \
+       do { \
+               lyx::lyxerr << CURRENT_POSITION << msg; lyx::lyxerr.endl(); \
        } while (0)
 
-#define LYXERR0(msg) LYXERR(lyx::Debug::ANY, msg)
 
 #endif