Fix C enum forward declarations in some target languages (notably Java)

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@13030 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/common.mk

@@ -495,6 +495,7 @@ C_TEST_CASES += \
 	constant_expr \
 	empty \
 	enums \
+	enum_forward \
 	extern_declaration \
 	funcptr \
 	function_typedef \

Examples/test-suite/csharp/enum_forward_runme.cs

@@ -0,0 +1,16 @@
+using System;
+using enum_forwardNamespace;
+
+public class runme {
+  static void Main() {
+    ForwardEnum1 f1 = enum_forward.get_enum1();
+    f1 = enum_forward.test_function1(f1);
+
+    ForwardEnum2 f2 = enum_forward.get_enum2();
+    f2 = enum_forward.test_function2(f2);
+
+    ForwardEnum3 f3 = enum_forward.get_enum3();
+    f3 = enum_forward.test_function3(f3);
+  }
+}
+

Examples/test-suite/enum_forward.i

@@ -0,0 +1,35 @@
+%module enum_forward
+
+%{
+enum ForwardEnum1 { AAA, BBB };
+enum ForwardEnum2 { CCC, DDD };
+%}
+
+%inline %{
+enum ForwardEnum1;
+enum ForwardEnum1 get_enum1() { return AAA; }
+enum ForwardEnum1 test_function1(enum ForwardEnum1 e) {
+  return e;
+}
+%}
+
+%inline %{
+enum ForwardEnum2;
+enum ForwardEnum2;
+enum ForwardEnum2 get_enum2() { return CCC; }
+enum ForwardEnum2 test_function2(enum ForwardEnum2 e) {
+  return e;
+}
+enum ForwardEnum2;
+%}
+
+%inline %{
+enum ForwardEnum3;
+enum ForwardEnum3 { EEE, FFF };
+enum ForwardEnum3 get_enum3() { return EEE; }
+enum ForwardEnum3 test_function3(enum ForwardEnum3 e) {
+  return e;
+}
+enum ForwardEnum3;
+%}
+

Examples/test-suite/java/enum_forward_runme.java

@@ -0,0 +1,33 @@
+
+import enum_forward.*;
+
+public class enum_forward_runme {
+
+  static {
+    try {
+        System.loadLibrary("enum_forward");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  public static void main(String argv[]) 
+  {
+    try {
+      ForwardEnum1 f1 = enum_forward.get_enum1();
+      f1 = enum_forward.test_function1(f1);
+    } catch (IllegalArgumentException e) {
+    }
+
+    try {
+      ForwardEnum2 f2 = enum_forward.get_enum2();
+      f2 = enum_forward.test_function2(f2);
+    } catch (IllegalArgumentException e) {
+    }
+
+    ForwardEnum3 f3 = enum_forward.get_enum3();
+    f3 = enum_forward.test_function3(f3);
+  }
+}
+

Examples/test-suite/python/enum_forward_runme.py

@@ -0,0 +1,10 @@
+import enum_forward
+  
+f1 = enum_forward.get_enum1();
+f1 = enum_forward.test_function1(f1);
+
+f2 = enum_forward.get_enum2();
+f2 = enum_forward.test_function2(f2);
+
+f3 = enum_forward.get_enum3();
+f3 = enum_forward.test_function3(f3);