dbg_helpers.cpp

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00001 /* $Id: dbg_helpers.cpp 19134 2010-02-14 18:33:57Z frosch $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "../stdafx.h"
00013 #include "../rail_map.h"
00014 #include "dbg_helpers.h"
00015 
00017 static const char * const trackdir_names[] = {
00018   "NE", "SE", "UE", "LE", "LS", "RS", "rne", "rse",
00019   "SW", "NW", "UW", "LW", "LN", "RN", "rsw", "rnw",
00020 };
00021 
00023 CStrA ValueStr(Trackdir td)
00024 {
00025   CStrA out;
00026   out.Format("%d (%s)", td, ItemAtT(td, trackdir_names, "UNK", INVALID_TRACKDIR, "INV"));
00027   return out.Transfer();
00028 }
00029 
00031 CStrA ValueStr(TrackdirBits td_bits)
00032 {
00033   CStrA out;
00034   out.Format("%d (%s)", td_bits, ComposeNameT(td_bits, trackdir_names, "UNK", INVALID_TRACKDIR_BIT, "INV").Data());
00035   return out.Transfer();
00036 }
00037 
00038 
00040 static const char * const diagdir_names[] = {
00041   "NE", "SE", "SW", "NW",
00042 };
00043 
00045 CStrA ValueStr(DiagDirection dd)
00046 {
00047   CStrA out;
00048   out.Format("%d (%s)", dd, ItemAtT(dd, diagdir_names, "UNK", INVALID_DIAGDIR, "INV"));
00049   return out.Transfer();
00050 }
00051 
00052 
00054 static const char * const signal_type_names[] = {
00055   "NORMAL", "ENTRY", "EXIT", "COMBO", "PBS", "NOENTRY",
00056 };
00057 
00059 CStrA ValueStr(SignalType t)
00060 {
00061   CStrA out;
00062   out.Format("%d (%s)", t, ItemAtT(t, signal_type_names, "UNK"));
00063   return out.Transfer();
00064 }
00065 
00066 
00068 CStrA TileStr(TileIndex tile)
00069 {
00070   CStrA out;
00071   out.Format("0x%04X (%d, %d)", tile, TileX(tile), TileY(tile));
00072   return out.Transfer();
00073 }
00074  size_t& DumpTarget::LastTypeId()
00077 {
00078   static size_t last_type_id = 0;
00079   return last_type_id;
00080 }
00081 
00083 CStrA DumpTarget::GetCurrentStructName()
00084 {
00085   CStrA out;
00086   if (!m_cur_struct.empty()) {
00087     /* we are inside some named struct, return its name */
00088     out = m_cur_struct.top();
00089   }
00090   return out.Transfer();
00091 }
00092 
00097 bool DumpTarget::FindKnownName(size_t type_id, const void *ptr, CStrA &name)
00098 {
00099   KNOWN_NAMES::const_iterator it = m_known_names.find(KnownStructKey(type_id, ptr));
00100   if (it != m_known_names.end()) {
00101     /* we have found it */
00102     name = (*it).second;
00103     return true;
00104   }
00105   return false;
00106 }
00107 
00109 void DumpTarget::WriteIndent()
00110 {
00111   int num_spaces = 2 * m_indent;
00112   if (num_spaces > 0) {
00113     memset(m_out.GrowSizeNC(num_spaces), ' ', num_spaces);
00114   }
00115 }
00116 
00118 void DumpTarget::WriteLine(const char *format, ...)
00119 {
00120   WriteIndent();
00121   va_list args;
00122   va_start(args, format);
00123   m_out.AddFormatL(format, args);
00124   va_end(args);
00125   m_out.AppendStr("\n");
00126 }
00127 
00129 void DumpTarget::WriteValue(const char *name, const char *value_str)
00130 {
00131   WriteIndent();
00132   m_out.AddFormat("%s = %s\n", name, value_str);
00133 }
00134 
00136 void DumpTarget::WriteTile(const char *name, TileIndex tile)
00137 {
00138   WriteIndent();
00139   m_out.AddFormat("%s = %s\n", name, TileStr(tile).Data());
00140 }
00141 
00145 void DumpTarget::BeginStruct(size_t type_id, const char *name, const void *ptr)
00146 {
00147   /* make composite name */
00148   CStrA cur_name = GetCurrentStructName().Transfer();
00149   if (cur_name.Size() > 0) {
00150     /* add name delimiter (we use structured names) */
00151     cur_name.AppendStr(".");
00152   }
00153   cur_name.AppendStr(name);
00154 
00155   /* put the name onto stack (as current struct name) */
00156   m_cur_struct.push(cur_name);
00157 
00158   /* put it also to the map of known structures */
00159   m_known_names.insert(KNOWN_NAMES::value_type(KnownStructKey(type_id, ptr), cur_name));
00160 
00161   WriteIndent();
00162   m_out.AddFormat("%s = {\n", name);
00163   m_indent++;
00164 }
00165 
00169 void DumpTarget::EndStruct()
00170 {
00171   m_indent--;
00172   WriteIndent();
00173   m_out.AddFormat("}\n");
00174 
00175   /* remove current struct name from the stack */
00176   m_cur_struct.pop();
00177 }
00178 
00180 /* static */ CBlobBaseSimple::CHdr CBlobBaseSimple::hdrEmpty[] = {{0, 0}, {0, 0}};

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