Updated libs from the Adaptagrams project: libavoid, libcola and libvspc; changed the code to match the new API

Signed-off-by: Sylvain Chiron <chironsylvain@orange.fr>

1 files changed, 102 insertions, 0 deletions

diff --git a/src/libvpsc/assertions.h b/src/libvpsc/assertions.h
new file mode 100644
index 000000000..68eab8f11
--- /dev/null
+++ b/src/libvpsc/assertions.h
@@ -0,0 +1,102 @@
+/*
+ * vim: ts=4 sw=4 et tw=0 wm=0
+ *
+ * libvpsc - A solver for the problem of Variable Placement with 
+ *           Separation Constraints.
+ *
+ * Copyright (C) 2009  Monash University
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * See the file LICENSE.LGPL distributed with the library.
+ *
+ * This library 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.
+ *
+*/
+
+#ifndef VPSC_ASSERTIONS_H
+#define VPSC_ASSERTIONS_H
+
+#ifdef NDEBUG 
+
+  #define COLA_ASSERT(expr)  static_cast<void>(0)
+
+#else // Not NDEBUG
+
+  // sstream needs ::strcpy_s under MinGW so include cstring.
+  #include <cstring>
+
+  #include <sstream>
+  #include <cassert>
+
+  #if defined(USE_ASSERT_EXCEPTIONS) 
+
+    // String seems to be missing on MinGW's gcc,
+    // so define it here if it is missing.
+    #ifndef __STRING
+      #define __STRING(x) #x
+    #endif
+
+    #if !defined(__ASSERT_FUNCTION)
+      #define COLA_ASSERT(expr) \
+          if (!(expr)) { \
+              throw vpsc::CriticalFailure(__STRING(expr), __FILE__, __LINE__); \
+          }
+    #else
+      #define COLA_ASSERT(expr) \
+          if (!(expr)) { \
+              throw vpsc::CriticalFailure(__STRING(expr), __FILE__, __LINE__, \
+                      __ASSERT_FUNCTION); \
+          }
+    #endif
+
+  #else
+    #define COLA_ASSERT(expr)  assert(expr)
+  #endif
+
+namespace vpsc { 
+
+// Critical failure: either something went wrong, or (more likely) there
+// was infeasible input.
+class CriticalFailure
+{
+    public:
+        CriticalFailure(const char *expr, const char *file, int line, 
+                const char *function = NULL)
+            : expr(expr),
+              file(file),
+              line(line),
+              function(function)
+        {
+        }
+        std::string what() const
+        {
+            std::stringstream s;
+            s << "ERROR: Critical assertion failed.\n";
+            s << "  expression: " << expr << "\n";
+            s << "  at line " << line << " of " << file << "\n";
+            if (function)
+            {
+                s << "  in: " << function << "\n";
+            }
+
+            return s.str();
+        }
+    private:
+        const char *expr;
+        const char *file;
+        int line;
+        const char *function;
+};
+
+}
+
+#endif // NDEBUG
+
+
+#endif // VPSC_ASSERTIONS_H
+