Disabling backtrace() function on Windows system. Mingw doesn't support

this at the moment.
pgmodeler · Oct 13, 2012 · 42b5477 · 42b5477
1 parent 64bead4
commit 42b5477
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Showing 5 changed files with 67 additions and 74 deletions.
diff --git a/crashhandler/src/crashhandler.cpp b/crashhandler/src/crashhandler.cpp
@@ -3,31 +3,36 @@ const char CrashHandler::CHR_DELIMITADOR=static_cast<char>(3);
 //***********************************************************
 CrashHandler::CrashHandler(QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f)
 {
- ifstream entrada;
- QString buf;
- char lin[1024];
-
  setupUi(this);
  connect(cancelar_btn, SIGNAL(clicked(void)), this, SLOT(close(void)));
  connect(criar_btn, SIGNAL(clicked(void)), this, SLOT(gerarRelatorio(void)));
  connect(acoes_txt, SIGNAL(textChanged(void)), this, SLOT(habilitarGeracao(void)));
 
- //Abre o arquivo o qual armazena a stack trace do ultimo travamento
- entrada.open(AtributosGlobais::DIR_TEMPORARIO +
-              AtributosGlobais::SEP_DIRETORIO +
-              AtributosGlobais::ARQ_CRASH_HANDLER);
+ #ifndef Q_OS_WIN
+  ifstream entrada;
+  QString buf;
+  char lin[1024];
 
- //Le cada linha do arquivo e concatena ao buffer
- while(entrada.is_open() && !entrada.eof())
- {
-  entrada.getline(lin, sizeof(lin), '\n');
-  buf += QString("%1\n").arg(lin);
- }
+  //Abre o arquivo o qual armazena a stack trace do ultimo travamento
+  entrada.open(AtributosGlobais::DIR_TEMPORARIO +
+               AtributosGlobais::SEP_DIRETORIO +
+               AtributosGlobais::ARQ_CRASH_HANDLER);
 
- entrada.close();
+  //Le cada linha do arquivo e concatena ao buffer
+  while(entrada.is_open() && !entrada.eof())
+  {
+   entrada.getline(lin, sizeof(lin), '\n');
+   buf += QString("%1\n").arg(lin);
+  }
+
+  entrada.close();
 
- //Exibe o buffer no widget de stack trace
- stack_txt->setPlainText(buf);
+  //Exibe o buffer no widget de stack trace
+  stack_txt->setPlainText(buf);
+ #else
+  //Para sistemas Windows, exibe uma mensagem dizendo a indisponibilidade da stacktrace
+  stack_txt->setPlainText(trUtf8("** Stack trace unavailable on Windows system **");
+ #endif
 
  //Cria um destacador de sintaxe para o modelo
  dest_modelo_txt=new DestaqueSintaxe(modelo_txt, false);

diff --git a/crashhandler/ui/crashhandler.ui b/crashhandler/ui/crashhandler.ui
@@ -191,12 +191,6 @@
        <height>0</height>
       </size>
      </property>
-     <property name="font">
-      <font>
-       <family>DejaVu Sans</family>
-       <pointsize>10</pointsize>
-      </font>
-     </property>
      <property name="text">
       <string>We apologize for what happened! It is clear that a nasty bug caused it. Please fill out the form below describing your actions before pgModeler quit unexpectedly. This will help on bug extermination and improve the software.</string>
      </property>

diff --git a/libpgmodeler_ui/src/modelowidget.cpp b/libpgmodeler_ui/src/modelowidget.cpp
@@ -1084,6 +1084,9 @@ void ModeloWidget::exibirFormObjeto(TipoObjetoBase tipo_obj, ObjetoBase *objeto,
  try
  {
   unsigned tipo_rel=0;
+ #warning "Crash handler teste"
+  Tabela *tab=NULL;
+  tab->definirNome("");
 
   /* Caso o tipo_obj seja maior que o ultimo código de tipo de objeto, indica
      que se trata de um tipo específico de relacionamento (1-1, 1-n, n-n, gen, dep).

diff --git a/libpgmodeler_ui/ui/formsobre.ui b/libpgmodeler_ui/ui/formsobre.ui
@@ -152,7 +152,6 @@
           </property>
           <property name="font">
            <font>
-            <family>DejaVu Sans</family>
             <pointsize>18</pointsize>
             <weight>75</weight>
             <bold>true</bold>
@@ -185,11 +184,8 @@
           </property>
           <property name="font">
            <font>
-            <family>DejaVu Sans</family>
             <pointsize>12</pointsize>
-            <weight>50</weight>
             <italic>true</italic>
-            <bold>false</bold>
            </font>
           </property>
           <property name="text">
@@ -219,7 +215,6 @@
           </property>
           <property name="font">
            <font>
-            <family>DejaVu Sans</family>
             <pointsize>12</pointsize>
             <weight>75</weight>
             <italic>true</italic>
@@ -233,6 +228,11 @@
         </item>
         <item row="2" column="1">
          <widget class="QLabel" name="label_2">
+          <property name="font">
+           <font>
+            <pointsize>8</pointsize>
+           </font>
+          </property>
           <property name="text">
            <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;a href=&quot;http://pgmodeler.com.br&quot;&gt;&lt;span style=&quot; font-size:11pt; font-style:italic; text-decoration: underline; color:#0057ae;&quot;&gt;http://pgmodeler.com.br&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
           </property>
@@ -282,12 +282,6 @@
           <height>0</height>
          </size>
         </property>
-        <property name="font">
-         <font>
-          <family>DejaVu Sans</family>
-          <pointsize>10</pointsize>
-         </font>
-        </property>
         <property name="text">
          <string>Copyright 2006-2012 - Raphael Araújo e Silva &lt;rkhaotix@gmail.com&gt;
 
@@ -345,12 +339,6 @@ Special thanks to friends of the software development team of the Legislative As
           <height>0</height>
          </size>
         </property>
-        <property name="font">
-         <font>
-          <family>DejaVu Sans</family>
-          <pointsize>10</pointsize>
-         </font>
-        </property>
         <property name="frameShadow">
          <enum>QFrame::Sunken</enum>
         </property>

diff --git a/main/src/main.cpp b/main/src/main.cpp
@@ -1,45 +1,49 @@
 #include "formprincipal.h"
 #include "aplicacao.h"
-#include "execinfo.h"
 #include <QTranslator>
 
+#ifndef Q_OS_WIN
+ #include "execinfo.h"
+#endif
+
 void executarCrashHandler(int)
 {
- ofstream saida;
- QString cmd, lin;
- void *pilha[20];
- size_t tam_pilha, i;
- char **simbolos=NULL;
-
- //Obtém os simbolos da stack trace (até 20 itens)
- tam_pilha = backtrace(pilha, 20);
- simbolos = backtrace_symbols(pilha, tam_pilha);
-
- //Cria o arquivo que armazenará a stack trace
- saida.open(AtributosGlobais::DIR_TEMPORARIO +
-            AtributosGlobais::SEP_DIRETORIO +
-            AtributosGlobais::ARQ_CRASH_HANDLER);
-
- //Caso o arquivo esteja aberto
- if(saida.is_open())
- {
-  lin=QString("** pgModeler crashed after receive signal: %1 **\n\n").arg("SIGSEGV");
-  saida.write(lin.toStdString().c_str(), lin.size());
-
-  //Grava cada linha da stack trace no arquivo
-  for(i=0; i < tam_pilha; i++)
-  {
-   lin=QString(simbolos[i]) + QString("\n");
-   saida.write(lin.toStdString().c_str(), lin.size());
-  }
-  //Desaloca a stack trace
-  free(simbolos);
-  saida.close();
- }
-
+ /** A função backtrace não é existe até o momento no MingW (Windows) desta forma
+     o trecho que gera a stacktrace do programa só é ativado em Linux/Unix **/
  #ifdef Q_OS_WIN
   cmd="crashhandler.exe";
  #else
+  ofstream saida;
+  QString cmd, lin;
+  void *pilha[20];
+  size_t tam_pilha, i;
+  char **simbolos=NULL;
+
+  //Obtém os simbolos da stack trace (até 20 itens)
+  tam_pilha = backtrace(pilha, 20);
+  simbolos = backtrace_symbols(pilha, tam_pilha);
+
+  //Cria o arquivo que armazenará a stack trace
+  saida.open(AtributosGlobais::DIR_TEMPORARIO +
+             AtributosGlobais::SEP_DIRETORIO +
+             AtributosGlobais::ARQ_CRASH_HANDLER);
+
+  //Caso o arquivo esteja aberto
+  if(saida.is_open())
+  {
+   lin=QString("** pgModeler crashed after receive signal: %1 **\n\n").arg("SIGSEGV");
+   saida.write(lin.toStdString().c_str(), lin.size());
+
+   //Grava cada linha da stack trace no arquivo
+   for(i=0; i < tam_pilha; i++)
+   {
+    lin=QString(simbolos[i]) + QString("\n");
+    saida.write(lin.toStdString().c_str(), lin.size());
+   }
+   //Desaloca a stack trace
+   free(simbolos);
+   saida.close();
+  }
   cmd="crashhandler";
  #endif
 
@@ -50,7 +54,6 @@ void executarCrashHandler(int)
 }
 
 
-
 int main(int argc, char **argv)
 {
  try