Add base_assert/trace functions

src/base/CMakeLists.txt

@@ -20,6 +20,7 @@ set(BASE_SOURCES
   chrono.cpp
   connection.cpp
   convert_to.cpp
+  debug.cpp
   errno_string.cpp
   exception.cpp
   file_handle.cpp

src/base/debug.cpp

@@ -0,0 +1,75 @@
+// Aseprite Base Library
+// Copyright (c) 2001-2014 David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef _DEBUG
+
+#include "base/debug.h"
+
+#include "base/convert_to.h"
+#include "base/string.h"
+
+#include <cstdlib>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#ifdef WIN32
+  #include <windows.h>
+#endif
+
+int base_assert(const char* condition, const char* file, int lineNum)
+{
+#ifdef WIN32
+
+  std::vector<wchar_t> buf(MAX_PATH);
+  GetModuleFileNameW(NULL, &buf[0], MAX_PATH);
+
+  int ret = _CrtDbgReportW(_CRT_ASSERT,
+    base::from_utf8(file).c_str(),
+    lineNum,
+    &buf[0],
+    base::from_utf8(condition).c_str());
+
+  return (ret == 1 ? 1: 0);
+
+#else
+
+  std::string text = "Assertion failed: ";
+  text += condition;
+  text += ", file ";
+  text += file;
+  text += ", line ";
+  text += base::convert_to<std::string>(lineNum);
+  std::cerr << text << std::endl;
+  return 1;
+
+#endif
+}
+
+void base_trace(const char* msg, ...)
+{
+  va_list ap;
+  va_start(ap, msg);
+  char buf[4096];
+  vsprintf(buf, msg, ap);
+  va_end(ap);
+
+#ifdef WIN32
+
+  _CrtDbgReport(_CRT_WARN, NULL, 0, NULL, buf);
+
+#else
+
+  std::cerr << buf << std::endl;
+
+#endif
+}
+
+#endif

src/base/debug.h

@@ -0,0 +1,37 @@
+// Aseprite Base Library
+// Copyright (c) 2001-2014 David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef BASE_DEBUG_H_INCLUDED
+#define BASE_DEBUG_H_INCLUDED
+#pragma once
+
+int base_assert(const char* condition, const char* file, int lineNum);
+void base_trace(const char* msg, ...);
+
+#ifdef _DEBUG
+  #ifdef WIN32
+    #include <crtdbg.h>
+    #define base_break() _CrtDbgBreak()
+  #else
+    #include <signal.h>
+    #define base_break() raise(SIGTRAP)
+  #endif
+
+  #define ASSERT(condition) {                                             \
+    if (!(condition)) {                                                   \
+      if (base_assert(#condition, __FILE__, __LINE__)) {                  \
+        base_break();                                                     \
+      }                                                                   \
+    }                                                                     \
+  }
+
+  #define TRACE base_trace
+#else
+  #define ASSERT(condition)
+  #define TRACE(...)
+#endif
+
+#endif

src/config.h

@@ -54,7 +54,11 @@ void verbose_printf(const char* format, ...);
 #define PI 3.14159265358979323846
 
 #include <allegro/base.h>
-#include <allegro/debug.h>      // ASSERT
+#include <allegro/debug.h>
+#undef ASSERT
+#undef TRACE
+
+#include "base/debug.h"
 
 //////////////////////////////////////////////////////////////////////
 // Overloaded new/delete operators to detect memory-leaks