From ef709eb6b9aef21bc6f4b9ed7ff5624ff0a0e9b9 Mon Sep 17 00:00:00 2001
From: Matej Sekoranja <unknown>
Date: Thu, 21 Oct 2010 17:18:16 +0200
Subject: [PATCH] BaseException

---
 pvDataApp/misc/epicsException.h      | 60 +++++++++++++++++++++++++++-
 pvDataApp/test/Makefile              |  4 ++
 pvDataApp/test/testBaseException.cpp | 52 ++++++++++++++++++++++++
 3 files changed, 114 insertions(+), 2 deletions(-)
 create mode 100644 pvDataApp/test/testBaseException.cpp

diff --git a/pvDataApp/misc/epicsException.h b/pvDataApp/misc/epicsException.h
index f1b5e59..8a98840 100644
--- a/pvDataApp/misc/epicsException.h
+++ b/pvDataApp/misc/epicsException.h
@@ -1,8 +1,8 @@
 /*
  * epicsException.hpp
  *
- *  Created on: Oct 18, 2010
- *      Author: miha_vitorovic
+ *  Created on: Oct 20, 2010
+ *      Author: Matej Sekoranja
  */
 
 #ifndef EPICSEXCEPTION_H_
@@ -15,6 +15,62 @@
 
 namespace epics { namespace pvData {
 
+
+class BaseException :
+    public std::exception {
+public:
+    BaseException(const char* message, const char* file, int line, std::exception* cause = 0)
+      : m_msg(message), m_file(file), m_line(line), m_cause(cause)
+    {
+    }
+
+    virtual ~BaseException() throw()
+    {
+        if (m_cause) delete m_cause;
+    }
+
+    virtual const char* what() const throw() { return m_msg.c_str(); }
+
+    const char* getFile() const { return m_file.c_str(); }
+    int getLine() const { return m_line; }
+
+    void toString(std::string& str) {
+        str.append("BaseException: ");
+        str.append(m_msg);
+        str.append("\n\tat ");
+        str.append(m_file);
+        str.append(":");
+        char sline[10];
+        snprintf(sline, 10, "%d", m_line);
+        str.append(sline);
+        if (m_cause)
+        {
+            str.append("\ncaused by: ");
+            BaseException *be = dynamic_cast<BaseException*>(m_cause);
+            if (be)
+                be->toString(str);
+            else
+                str.append(m_cause->what());
+        }
+    }
+
+private:
+    std::string m_msg;
+    std::string m_file;
+    int m_line;
+    std::exception* m_cause;
+};
+
+
+#define THROW_BASE_EXCEPTION(msg) throw new BaseException(msg, __FILE__, __LINE__)
+#define THROW_BASE_EXCEPTION_CAUSE(msg, cause) throw new BaseException(msg, __FILE__, __LINE__, cause)
+
+/*
+        /// Construct with file, line info and printf-type arguments.
+        GenericException(const char *sourcefile, size_t line, const char *format, ...)
+        __attribute__ ((format (printf, 4, 5)));
+*/
+
         /** Base Epics Exception */
         class EpicsException : public std::logic_error {
         public:
diff --git a/pvDataApp/test/Makefile b/pvDataApp/test/Makefile
index cb8c0f7..4a98a8e 100644
--- a/pvDataApp/test/Makefile
+++ b/pvDataApp/test/Makefile
@@ -30,6 +30,10 @@ PROD_HOST += testByteBuffer
 testByteBuffer_SRCS += testByteBuffer.cpp
 testByteBuffer_LIBS += pvMisc Com
 
+PROD_HOST += testBaseException
+testBaseException_SRCS += testBaseException.cpp
+testBaseException_LIBS += pvMisc
+
 include $(TOP)/configure/RULES
 #----------------------------------------
 #  ADD RULES AFTER THIS LINE
diff --git a/pvDataApp/test/testBaseException.cpp b/pvDataApp/test/testBaseException.cpp
new file mode 100644
index 0000000..9a2c6be
--- /dev/null
+++ b/pvDataApp/test/testBaseException.cpp
@@ -0,0 +1,52 @@
+/* testBaseException.cpp */
+/* Author:  Matej Sekoranja Date: 2010.10.18 */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdio.h>
+#include "epicsException.h"
+
+
+#include <epicsAssert.h>
+
+using namespace epics::pvData;
+
+void testBaseException() {
+    printf("testBaseException... ");
+
+    try {
+        THROW_BASE_EXCEPTION("all is OK");
+    } catch (BaseException *be) {
+        std::string str;
+        be->toString(str);
+        printf("\n\n%s\n\n", str.c_str());
+    }
+
+    try {
+        try {
+            try {
+                THROW_BASE_EXCEPTION("the root cause");
+            } catch (BaseException *be3) {
+                THROW_BASE_EXCEPTION_CAUSE("exception 1", be3);
+            }
+        } catch (BaseException *be2) {
+            THROW_BASE_EXCEPTION_CAUSE("excepton 2", be2);
+        }
+    } catch (BaseException *be) {
+        std::string str;
+        be->toString(str);
+        printf("\n\n%s\n\n", str.c_str());
+        delete be;
+    }
+
+    printf("PASSED\n");
+}
+
+int main(int argc,char *argv[])
+{
+    testBaseException();
+    return(0);
+}
+