[Assorted-commits] SF.net SVN: assorted:[1302] sandbox/trunk/src/cc

[<yan...@us...>]

Revision: 1302
          http://assorted.svn.sourceforge.net/assorted/?rev=1302&view=rev
Author:   yangzhang
Date:     2009-03-18 09:36:57 +0000 (Wed, 18 Mar 2009)

Log Message:
-----------
added demo of inheritance

Added Paths:
-----------
    sandbox/trunk/src/cc/inheritance/
    sandbox/trunk/src/cc/inheritance/Makefile
    sandbox/trunk/src/cc/inheritance/README
    sandbox/trunk/src/cc/inheritance/main.cc
    sandbox/trunk/src/cc/inheritance/sub.cc
    sandbox/trunk/src/cc/inheritance/sub.h
    sandbox/trunk/src/cc/inheritance/super.h

Added: sandbox/trunk/src/cc/inheritance/Makefile
===================================================================
--- sandbox/trunk/src/cc/inheritance/Makefile	                        (rev 0)
+++ sandbox/trunk/src/cc/inheritance/Makefile	2009-03-18 09:36:57 UTC (rev 1302)
@@ -0,0 +1,4 @@
+all: main
+main: main.o sub.o
+%: %.o
+	$(LINK.cc) $^ $(LOADLIBES) $(LDLIBS) -o $@

Added: sandbox/trunk/src/cc/inheritance/README
===================================================================
--- sandbox/trunk/src/cc/inheritance/README	                        (rev 0)
+++ sandbox/trunk/src/cc/inheritance/README	2009-03-18 09:36:57 UTC (rev 1302)
@@ -0,0 +1,2 @@
+Demo that you need to declare the overridden methods in a subclass in the
+subclass definition, even if you define the implementation elsewhere.

Added: sandbox/trunk/src/cc/inheritance/main.cc
===================================================================
--- sandbox/trunk/src/cc/inheritance/main.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/inheritance/main.cc	2009-03-18 09:36:57 UTC (rev 1302)
@@ -0,0 +1,2 @@
+#include "sub.h"
+int main() { sub s; return 0; }

Added: sandbox/trunk/src/cc/inheritance/sub.cc
===================================================================
--- sandbox/trunk/src/cc/inheritance/sub.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/inheritance/sub.cc	2009-03-18 09:36:57 UTC (rev 1302)
@@ -0,0 +1,2 @@
+#include "sub.h"
+void sub::foo() {}

Added: sandbox/trunk/src/cc/inheritance/sub.h
===================================================================
--- sandbox/trunk/src/cc/inheritance/sub.h	                        (rev 0)
+++ sandbox/trunk/src/cc/inheritance/sub.h	2009-03-18 09:36:57 UTC (rev 1302)
@@ -0,0 +1,5 @@
+#include "super.h"
+class sub : public super {
+  // Must include this!
+  void foo();
+};

Added: sandbox/trunk/src/cc/inheritance/super.h
===================================================================
--- sandbox/trunk/src/cc/inheritance/super.h	                        (rev 0)
+++ sandbox/trunk/src/cc/inheritance/super.h	2009-03-18 09:36:57 UTC (rev 1302)
@@ -0,0 +1,4 @@
+class super {
+  public:
+    virtual void foo() = 0;
+};


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.