dol: initial dol commit

[jump.git] / dol / src / dol / visitor / hdsd / scd / scd_exception.h

diff --git a/dol/src/dol/visitor/hdsd/scd/scd_exception.h b/dol/src/dol/visitor/hdsd/scd/scd_exception.h
new file mode 100644 (file)
index 0000000..aa12e28
--- /dev/null
+++ b/dol/src/dol/visitor/hdsd/scd/scd_exception.h
@@ -0,0 +1,57 @@
+#ifndef SCD_EXCEPTION_H
+#define SCD_EXCEPTION_H
+
+#include <string>
+#include <exception>
+#include <execinfo.h>
+
+
+/**
+ * Maximum level of stacktrace.
+ */
+const int SCD_EX_TRACES = 15;
+
+
+/**
+ * General exeption. Can give a stack trace and generates error messages
+ * from error numbers.
+ */
+class scd_exception : public std::exception
+{
+public:
+    /**
+     * Constructor to create an exception with a string as cause.
+     * \param the cause
+     */
+    scd_exception(const std::string& msg);
+
+    /**
+     * Constroctor to create an exception with a string and an error
+     * message generated from an error number (errno) as cause.
+     * \param the cause prefix
+     * \param the error number to generate the error message for
+     */
+    scd_exception(const std::string& msg, int errn);
+
+    virtual ~scd_exception() throw() {}
+
+    /**
+     * Returns a C-String showing the cause of the exception.
+     */
+    virtual const char* what() throw();
+
+    /**
+     * Returns a C-String showing the stack trace. For name resolution
+     * -rdynamic has to be used while compiling.
+     */
+    const char* stacktrace();
+
+private:
+    std::string _msg;
+    std::string _backtrace;
+
+    void _get_backtrace();
+
+};
+
+#endif