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</pre></td>
<td class='lines'><pre><code><span class="hl com">/*</span>
<span class="hl com">Minetest-c55</span>
<span class="hl com">Copyright (C) 2010 celeron55, Perttu Ahola &lt;celeron55&#64;gmail.com&gt;</span>
<span class="hl com"></span>
<span class="hl com">This program is free software; you can redistribute it and/or modify</span>
<span class="hl com">it under the terms of the GNU General Public License as published by</span>
<span class="hl com">the Free Software Foundation; either version 2 of the License, or</span>
<span class="hl com">(at your option) any later version.</span>
<span class="hl com"></span>
<span class="hl com">This program is distributed in the hope that it will be useful,</span>
<span class="hl com">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="hl com">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<span class="hl com">GNU General Public License for more details.</span>
<span class="hl com"></span>
<span class="hl com">You should have received a copy of the GNU General Public License along</span>
<span class="hl com">with this program; if not, write to the Free Software Foundation, Inc.,</span>
<span class="hl com">51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span>
<span class="hl com">*/</span>


<span class="hl ppc">#include</span> <span class="hl pps">&quot;debug.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include &lt;stdio.h&gt;</span>
<span class="hl ppc">#include &lt;stdlib.h&gt;</span>

<span class="hl com">/*</span>
<span class="hl com">	Debug output</span>
<span class="hl com">*/</span>

<span class="hl kwb">FILE</span> <span class="hl opt">*</span>g_debugstreams<span class="hl opt">[</span>DEBUGSTREAM_COUNT<span class="hl opt">] = {</span>stderr<span class="hl opt">,</span> NULL<span class="hl opt">};</span>

<span class="hl kwb">void</span> <span class="hl kwd">debugstreams_init</span><span class="hl opt">(</span><span class="hl kwb">bool</span> disable_stderr<span class="hl opt">,</span> <span class="hl kwb">const char</span> <span class="hl opt">*</span>filename<span class="hl opt">)</span>
<span class="hl opt">{</span>
	<span class="hl kwa">if</span><span class="hl opt">(</span>disable_stderr<span class="hl opt">)</span>
		g_debugstreams<span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">] =</span> NULL<span class="hl opt">;</span>
	<span class="hl kwa">else</span>
		g_debugstreams<span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">] =</span> stderr<span class="hl opt">;</span>

	<span class="hl kwa">if</span><span class="hl opt">(</span>filename<span class="hl opt">)</span>
		g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">] =</span> <span class="hl kwd">fopen</span><span class="hl opt">(</span>filename<span class="hl opt">,</span> <span class="hl str">&quot;a&quot;</span><span class="hl opt">);</span>
		
	<span class="hl kwa">if</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">])</span>
	<span class="hl opt">{</span>
		<span class="hl kwd">fprintf</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">],</span> <span class="hl str">&quot;</span><span class="hl esc">\n\n</span><span class="hl str">-------------</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">);</span>
		<span class="hl kwd">fprintf</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">],</span>     <span class="hl str">&quot;  Separator</span>  <span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">);</span>
		<span class="hl kwd">fprintf</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">],</span>     <span class="hl str">&quot;-------------</span><span class="hl esc">\n\n</span><span class="hl str">&quot;</span><span class="hl opt">);</span>
	<span class="hl opt">}</span>
	
	<span class="hl kwd">DEBUGPRINT</span><span class="hl opt">(</span><span class="hl str">&quot;Debug streams initialized, disable_stderr=%d</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">,</span>
			disable_stderr<span class="hl opt">);</span>
<span class="hl opt">}</span>

<span class="hl kwb">void</span> <span class="hl kwd">debugstreams_deinit</span><span class="hl opt">()</span>
<span class="hl opt">{</span>
	<span class="hl kwa">if</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">] !=</span> NULL<span class="hl opt">)</span>
		<span class="hl kwd">fclose</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">]);</span>
<span class="hl opt">}</span>

Debugbuf <span class="hl kwd">debugbuf</span><span class="hl opt">(</span><span class="hl kwa">false</span><span class="hl opt">);</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>ostream <span class="hl kwd">dstream</span><span class="hl opt">(&amp;</span>debugbuf<span class="hl opt">);</span>
Debugbuf <span class="hl kwd">debugbuf_no_stderr</span><span class="hl opt">(</span><span class="hl kwa">true</span><span class="hl opt">);</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>ostream <span class="hl kwd">dstream_no_stderr</span><span class="hl opt">(&amp;</span>debugbuf_no_stderr<span class="hl opt">);</span>
Nullstream dummyout<span class="hl opt">;</span>

<span class="hl com">/*</span>
<span class="hl com">	Assert</span>
<span class="hl com">*/</span>

<span class="hl kwb">void</span> <span class="hl kwd">assert_fail</span><span class="hl opt">(</span><span class="hl kwb">const char</span> <span class="hl opt">*</span>assertion<span class="hl opt">,</span> <span class="hl kwb">const char</span> <span class="hl opt">*</span>file<span class="hl opt">,</span>
		<span class="hl kwb">unsigned int</span> line<span class="hl opt">,</span> <span class="hl kwb">const char</span> <span class="hl opt">*</span>function<span class="hl opt">)</span>
<span class="hl opt">{</span>
	<span class="hl kwd">DEBUGPRINT</span><span class="hl opt">(</span><span class="hl str">&quot;</span><span class="hl esc">\n</span><span class="hl str">In thread %x:</span><span class="hl esc">\n</span><span class="hl str">&quot;</span>
			<span class="hl str">&quot;%s:%d: %s: Assertion &apos;%s&apos; failed.</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">,</span>
			<span class="hl opt">(</span><span class="hl kwb">unsigned int</span><span class="hl opt">)</span><span class="hl kwd">get_current_thread_id</span><span class="hl opt">(),</span>
			file<span class="hl opt">,</span> line<span class="hl opt">,</span> function<span class="hl opt">,</span> assertion<span class="hl opt">);</span>
	
	<span class="hl kwd">debug_stacks_print</span><span class="hl opt">();</span>

	<span class="hl kwa">if</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">])</span>
		<span class="hl kwd">fclose</span><span class="hl opt">(</span>g_debugstreams<span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">]);</span>

	<span class="hl kwd">abort</span><span class="hl opt">();</span>
<span class="hl opt">}</span>

<span class="hl com">/*</span>
<span class="hl com">	DebugStack</span>
<span class="hl com">*/</span>

<span class="hl kwc">DebugStack</span><span class="hl opt">::</span><span class="hl kwd">DebugStack</span><span class="hl opt">(</span>threadid_t id<span class="hl opt">)</span>
<span class="hl opt">{</span>
	threadid <span class="hl opt">=</span> id<span class="hl opt">;</span>
	stack_i <span class="hl opt">=</span> <span class="hl num">0</span><span class="hl opt">;</span>
	stack_max_i <span class="hl opt">=</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl opt">}</span>

<span class="hl kwb">void</span> <span class="hl kwc">DebugStack</span><span class="hl opt">::</span><span class="hl kwd">print</span><span class="hl opt">(</span><span class="hl kwb">FILE</span> <span class="hl opt">*</span>file<span class="hl opt">,</span> <span class="hl kwb">bool</span> everything<span class="hl opt">)</span>
<span class="hl opt">{</span>
	<span class="hl kwd">fprintf</span><span class="hl opt">(</span>file<span class="hl opt">,</span> <span class="hl str">&quot;DEBUG STACK FOR THREAD %x:</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">,</span>
			<span class="hl opt">(</span><span class="hl kwb">unsigned int</span><span class="hl opt">)</span>threadid<span class="hl opt">);</span>

	<span class="hl kwa">for</span><span class="hl opt">(</span><span class="hl kwb">int</span> i<span class="hl opt">=</span><span class="hl num">0</span><span class="hl opt">;</span> i<span class="hl opt">&lt;</span>stack_max_i<span class="hl opt">;</span> i<span class="hl opt">++)</span>
	<span class="hl opt">{</span>
		<span class="hl kwa">if</span><span class="hl opt">(</span>i <span class="hl opt">==</span> stack_i <span class="hl opt">&amp;&amp;</span> everything <span class="hl opt">==</span> <span class="hl kwa">false</span><span class="hl opt">)</span>
			<span class="hl kwa">continue</span><span class="hl opt">;</span>

		<span class="hl kwa">if</span><span class="hl opt">(</span>i <span class="hl opt">&lt;</span> stack_i<span class="hl opt">)</span>
			<span class="hl kwd">fprintf</span><span class="hl opt">(</span>file<span class="hl opt">,</span> <span class="hl str">&quot;#%d  %s</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">,</span> i<span class="hl opt">,</span> stack<span class="hl opt">[</span>i<span class="hl opt">]);</span>
		<span class="hl kwa">else</span>
			<span class="hl kwd">fprintf</span><span class="hl opt">(</span>file<span class="hl opt">,</span> <span class="hl str">&quot;(Leftover data: #%d  %s)</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">,</span> i<span class="hl opt">,</span> stack<span class="hl opt">[</span>i<span class="hl opt">]);</span>
	<span class="hl opt">}</span>

	<span class="hl kwa">if</span><span class="hl opt">(</span>stack_i <span class="hl opt">==</span> DEBUG_STACK_SIZE<span class="hl opt">)</span>
		<span class="hl kwd">fprintf</span><span class="hl opt">(</span>file<span class="hl opt">,</span> <span class="hl str">&quot;Probably overflown.</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">);</span>
<span class="hl opt">}</span>


<span class="hl kwc">core</span><span class="hl opt">::</span>map<span class="hl opt">&lt;</span>threadid_t<span class="hl opt">,</span> DebugStack<span class="hl opt">*&gt;</span> g_debug_stacks<span class="hl opt">;</span>
JMutex g_debug_stacks_mutex<span class="hl opt">;</span>

<span class="hl kwb">void</span> <span class="hl kwd">debug_stacks_init</span><span class="hl opt">()</span>
<span class="hl opt">{</span>
	g_debug_stacks_mutex<span class="hl opt">.</span><span class="hl kwd">Init</span><span class="hl opt">();</span>
<span class="hl opt">}</span>

<span class="hl kwb">void</span> <span class="hl kwd">debug_stacks_print</span><span class="hl opt">()</span>
<span class="hl opt">{</span>
	JMutexAutoLock <span class="hl kwd">lock</span><span class="hl opt">(</span>g_debug_stacks_mutex<span class="hl opt">);</span>

	<span class="hl kwd">DEBUGPRINT</span><span class="hl opt">(</span><span class="hl str">&quot;Debug stacks:</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">);</span>

	<span class="hl kwa">for</span><span class="hl opt">(</span><span class="hl kwc">core</span><span class="hl opt">::</span>map<span class="hl opt">&lt;</span>threadid_t<span class="hl opt">,</span> DebugStack<span class="hl opt">*&gt;::</span>Iterator
			i <span class="hl opt">=</span> g_debug_stacks<span class="hl opt">.</span><span class="hl kwd">getIterator</span><span class="hl opt">();</span>
			i<span class="hl opt">.</span><span class="hl kwd">atEnd</span><span class="hl opt">() ==</span> <span class="hl kwa">false</span><span class="hl opt">;</span> i<span class="hl opt">++)</span>
	<span class="hl opt">{