Using C++11 enum classes with just a forward reference.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2009-matevz@13013 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/cpp0x_strongly_typed_enumerations.i

@@ -67,6 +67,12 @@ enum class Enum10 : TType<int>::type_name {
   Val1, Val2, Val3 = 300, Val4
 };
 
+// forward declaration, no definition of enum
+enum class Enum11 : int;
+struct UseEnum11 {
+    Enum11 myenum11;
+};
+
 /*
 TODO
 enum class MyClass {AAA, BBB, CCC};

Lib/csharp/enums.swg

@@ -13,12 +13,12 @@
 %typemap(in) const enum SWIGTYPE & ($*1_ltype temp)
 %{ temp = ($*1_ltype)$input; 
    $1 = &temp; %}
-%typemap(out) const enum SWIGTYPE & %{ $result = *$1; %}
+%typemap(out) const enum SWIGTYPE & %{ $result = (int)*$1; %}
 
 %typemap(directorout,warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) const enum SWIGTYPE &
 %{ static $*1_ltype temp = ($*1_ltype)$input; 
    $result = &temp; %}
-%typemap(directorin) const enum SWIGTYPE &    "$input = $1_name;"
+%typemap(directorin) const enum SWIGTYPE & "$input = $1_name;"
 %typemap(csdirectorin) const enum SWIGTYPE & "($*csclassname)$iminput"
 %typemap(csdirectorout) const enum SWIGTYPE & "(int)$cscall"
 
@@ -48,10 +48,10 @@
 %typemap(cstype) enum SWIGTYPE "$csclassname"
 
 %typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
-%typemap(out) enum SWIGTYPE %{ $result = $1; %}
+%typemap(out) enum SWIGTYPE %{ $result = (int)$1; %}
 
 %typemap(directorout) enum SWIGTYPE  %{ $result = ($1_ltype)$input; %}
-%typemap(directorin) enum SWIGTYPE    "$input = $1;"
+%typemap(directorin) enum SWIGTYPE "$input = $1;"
 %typemap(csdirectorin) enum SWIGTYPE "($csclassname)$iminput"
 %typemap(csdirectorout) enum SWIGTYPE "(int)$cscall"
 

Lib/csharp/enumsimple.swg

@@ -15,12 +15,12 @@
 %typemap(in) const enum SWIGTYPE & ($*1_ltype temp)
 %{ temp = ($*1_ltype)$input; 
    $1 = &temp; %}
-%typemap(out) const enum SWIGTYPE & %{ $result = *$1; %}
+%typemap(out) const enum SWIGTYPE & %{ $result = (int)*$1; %}
 
 %typemap(directorout,warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) const enum SWIGTYPE &
 %{ static $*1_ltype temp = ($*1_ltype)$input; 
    $result = &temp; %}
-%typemap(directorin) const enum SWIGTYPE &    "$input = $1_name;"
+%typemap(directorin) const enum SWIGTYPE & "$input = $1_name;"
 %typemap(csdirectorin) const enum SWIGTYPE & "$iminput"
 %typemap(csdirectorout) const enum SWIGTYPE & "$cscall"
 
@@ -50,10 +50,10 @@
 %typemap(cstype) enum SWIGTYPE "int"
 
 %typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
-%typemap(out) enum SWIGTYPE %{ $result = $1; %}
+%typemap(out) enum SWIGTYPE %{ $result = (int)$1; %}
 
 %typemap(directorout) enum SWIGTYPE  %{ $result = ($1_ltype)$input; %}
-%typemap(directorin) enum SWIGTYPE    "$input = $1;"
+%typemap(directorin) enum SWIGTYPE "$input = $1;"
 %typemap(csdirectorin) enum SWIGTYPE "$iminput"
 %typemap(csdirectorout) enum SWIGTYPE "$cscall"
 

Lib/csharp/enumtypesafe.swg

@@ -14,12 +14,12 @@
 %typemap(in) const enum SWIGTYPE & ($*1_ltype temp)
 %{ temp = ($*1_ltype)$input; 
    $1 = &temp; %}
-%typemap(out) const enum SWIGTYPE & %{ $result = *$1; %}
+%typemap(out) const enum SWIGTYPE & %{ $result = (int)*$1; %}
 
 %typemap(directorout,warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) const enum SWIGTYPE &
 %{ static $*1_ltype temp = ($*1_ltype)$input; 
    $result = &temp; %}
-%typemap(directorin) const enum SWIGTYPE &    "$input = $1_name;"
+%typemap(directorin) const enum SWIGTYPE & "$input = $1_name;"
 %typemap(csdirectorin) const enum SWIGTYPE & "$*csclassname.swigToEnum($iminput)"
 %typemap(csdirectorout) const enum SWIGTYPE & "$cscall.swigValue"
 
@@ -49,10 +49,10 @@
 %typemap(cstype) enum SWIGTYPE "$csclassname"
 
 %typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
-%typemap(out) enum SWIGTYPE %{ $result = $1; %}
+%typemap(out) enum SWIGTYPE %{ $result = (int)$1; %}
 
 %typemap(directorout) enum SWIGTYPE  %{ $result = ($1_ltype)$input; %}
-%typemap(directorin) enum SWIGTYPE    "$input = $1;"
+%typemap(directorin) enum SWIGTYPE "$input = $1;"
 %typemap(csdirectorin) enum SWIGTYPE "$csclassname.swigToEnum($iminput)"
 %typemap(csdirectorout) enum SWIGTYPE "$cscall.swigValue"
 

Lib/php/php.swg

@@ -189,12 +189,16 @@
               signed char,
               unsigned char,
               bool,
-              size_t,
+              size_t
-              enum SWIGTYPE
 {
 	ZVAL_LONG(return_value,$1);
 }
 
+%typemap(out) enum SWIGTYPE
+{
+	ZVAL_LONG(return_value, (long)$1);
+}
+
 %typemap(out) long long
 %{
   if ((long long)LONG_MIN <= $1 && $1 <= (long long)LONG_MAX) {
@@ -227,12 +231,16 @@
               const signed char &,
               const unsigned char &,
               const bool &,
-              const size_t &,
+              const size_t &
-              const enum SWIGTYPE &
 {
 	ZVAL_LONG(return_value,*$1);
 }
 
+%typemap(out) const enum SWIGTYPE &
+{
+	ZVAL_LONG(return_value, (long)*$1);
+}
+
 %typemap(out) const long long &
 %{
   if ((long long)LONG_MIN <= *$1 && *$1 <= (long long)LONG_MAX) {
@@ -270,6 +278,11 @@
   ZVAL_LONG($input,$1_name);
 }
 
+%typemap(directorin) enum SWIGTYPE
+{
+  ZVAL_LONG($input, (long)$1_name);
+}
+
 %typemap(out) bool
 {
 	ZVAL_BOOL(return_value,($1)?1:0);