Merge branch 'abstract-conversion-operators'

* abstract-conversion-operators:
  Add test cases for abstract user-defined conversion operators
  Recognize C++ conversion operators with trailing '= 0' as abstract

Author: wsfulton

Examples/test-suite/common.mk

@@ -184,6 +184,7 @@ CPP_TEST_CASES += \
 	director_classes \
 	director_classic \
 	director_constructor \
+	director_conversion_operators \
 	director_default \
 	director_detect \
 	director_enum \

Examples/test-suite/director_conversion_operators.i

@@ -0,0 +1,35 @@
+%module(directors="1") director_conversion_operators
+
+%feature("director");
+
+%warnfilter(SWIGWARN_TYPEMAP_DIRECTOROUT_PTR) Bar;
+
+%rename(toFoo) Bar::operator Foo();
+%rename(toFooPtr) Bar::operator Foo *();
+%rename(toFooRef) Bar::operator Foo &();
+%rename(toFooPtrRef) Bar::operator Foo *&();
+
+%rename(toOtherFoo) Bar::operator OtherFoo();
+%rename(toOtherFooPtr) Bar::operator OtherFoo *();
+%rename(toOtherFooRef) Bar::operator OtherFoo &();
+%rename(toOtherFooPtrRef) Bar::operator OtherFoo *&();
+
+%inline %{
+   struct Foo {
+   };
+   struct OtherFoo {
+   };
+   struct Bar {
+      Foo myFoo;
+      Foo *myFooPtr;
+      virtual ~Bar() { }
+      virtual operator Foo () { return Foo(); }
+      virtual operator Foo *() { return &myFoo; }
+      virtual operator Foo &() { return myFoo; }
+      virtual operator Foo *&() { return myFooPtr; }
+      virtual operator OtherFoo () = 0;
+      virtual operator OtherFoo *() = 0;
+      virtual operator OtherFoo &() = 0;
+      virtual operator OtherFoo *&() = 0;
+   };
+%}

Source/CParse/parser.y

@@ -4800,6 +4800,9 @@ cpp_conversion_operator : storage_class CONVERSIONOPERATOR type pointer LPAREN p
 		 if ($8.qualifier) {
 		   SwigType_push($4,$8.qualifier);
 		 }
+		 if ($8.val) {
+		   Setattr($$,"value",$8.val);
+		 }
 		 Setattr($$,"refqualifier",$8.refqualifier);
 		 Setattr($$,"decl",$4);
 		 Setattr($$,"parms",$6);
@@ -4818,6 +4821,9 @@ cpp_conversion_operator : storage_class CONVERSIONOPERATOR type pointer LPAREN p
 		 if ($8.qualifier) {
 		   SwigType_push(decl,$8.qualifier);
 		 }
+		 if ($8.val) {
+		   Setattr($$,"value",$8.val);
+		 }
 		 Setattr($$,"refqualifier",$8.refqualifier);
 		 Setattr($$,"decl",decl);
 		 Setattr($$,"parms",$6);
@@ -4836,6 +4842,9 @@ cpp_conversion_operator : storage_class CONVERSIONOPERATOR type pointer LPAREN p
 		 if ($8.qualifier) {
 		   SwigType_push(decl,$8.qualifier);
 		 }
+		 if ($8.val) {
+		   Setattr($$,"value",$8.val);
+		 }
 		 Setattr($$,"refqualifier",$8.refqualifier);
 		 Setattr($$,"decl",decl);
 		 Setattr($$,"parms",$6);
@@ -4856,6 +4865,9 @@ cpp_conversion_operator : storage_class CONVERSIONOPERATOR type pointer LPAREN p
 		 if ($9.qualifier) {
 		   SwigType_push(decl,$9.qualifier);
 		 }
+		 if ($9.val) {
+		   Setattr($$,"value",$9.val);
+		 }
 		 Setattr($$,"refqualifier",$9.refqualifier);
 		 Setattr($$,"decl",decl);
 		 Setattr($$,"parms",$7);
@@ -4873,7 +4885,10 @@ cpp_conversion_operator : storage_class CONVERSIONOPERATOR type pointer LPAREN p
 		if ($7.qualifier) {
 		  SwigType_push(t,$7.qualifier);
 		}
-		 Setattr($$,"refqualifier",$7.refqualifier);
+		if ($7.val) {
+		  Setattr($$,"value",$7.val);
+		}
+		Setattr($$,"refqualifier",$7.refqualifier);
 		Setattr($$,"decl",t);
 		Setattr($$,"parms",$5);
 		Setattr($$,"conversion_operator","1");