Add Racket support for std::unique_ptr and std::auto_ptr

Equivalent to Guile implementation.

Slight tweak to proxy ownership was required by adding in
the own member to swig_mz_proxy.

Examples/test-suite/cpp11_std_unique_ptr.i

@@ -1,6 +1,6 @@
 %module cpp11_std_unique_ptr
 
-#if !(defined(SWIGGO) || defined(SWIGOCAML) || defined(SWIGMZSCHEME) || defined(SWIGR) || defined(SWIGSCILAB))
+#if !(defined(SWIGGO) || defined(SWIGOCAML) || defined(SWIGR) || defined(SWIGSCILAB))
 
 %include "std_string.i"
 %include "std_unique_ptr.i"

Examples/test-suite/li_std_auto_ptr.i

@@ -12,7 +12,7 @@
 #endif
 %}
 
-#if !(defined(SWIGGO) || defined(SWIGOCAML) || defined(SWIGMZSCHEME) || defined(SWIGR) || defined(SWIGSCILAB))
+#if !(defined(SWIGGO) || defined(SWIGOCAML) || defined(SWIGR) || defined(SWIGSCILAB))
 
 %include "std_string.i"
 //#include <iostream>

Examples/test-suite/mzscheme/li_std_auto_ptr_runme.scm

@@ -0,0 +1,91 @@
+(load-extension "li_std_auto_ptr.so")
+(require (lib "defmacro.ss"))
+
+; Copied from ../schemerunme/li_std_auto_ptr.scm and modified for exceptions
+
+; Define an equivalent to Guile's gc procedure
+(define-macro (gc)
+  `(collect-garbage 'major))
+
+(define checkCount
+  (lambda (expected-count)
+    (define actual-count (Klass-getTotal-count))
+    (unless (= actual-count expected-count) (error (format "Counts incorrect, expected:~a actual:~a" expected-count  actual-count)))))
+
+; Test raw pointer handling involving virtual inheritance
+(define kini (new-KlassInheritance "KlassInheritanceInput"))
+(checkCount 1)
+(define s (useKlassRawPtr kini))
+(unless (string=? s "KlassInheritanceInput")
+  (error "Incorrect string: " s))
+(set! kini '()) (gc)
+(checkCount 0)
+
+; auto_ptr as input
+(define kin (new-Klass "KlassInput"))
+(checkCount 1)
+(define s (takeKlassAutoPtr kin))
+(checkCount 0)
+(unless (string=? s "KlassInput")
+  (error "Incorrect string: " s))
+(unless (is-nullptr kin)
+  (error "is_nullptr failed"))
+(set! kini '()) (gc) ; Should not fail, even though already deleted
+(checkCount 0)
+
+(define kin (new-Klass "KlassInput"))
+(checkCount 1)
+(define s (takeKlassAutoPtr kin))
+(checkCount 0)
+(unless (string=? s "KlassInput")
+  (error "Incorrect string: " s))
+(unless (is-nullptr kin)
+  (error "is_nullptr failed"))
+
+(define exception_thrown "no exception thrown for kin")
+(with-handlers ([exn:fail? (lambda (exn)
+                             (set! exception_thrown (exn-message exn)))])
+  (takeKlassAutoPtr kin))
+(unless (string=? exception_thrown "takeKlassAutoPtr: cannot release ownership as memory is not owned for argument 1 of type 'Klass *'")
+  (error "Wrong or no exception thrown: " exception_thrown))
+(set! kin '()) (gc) ; Should not fail, even though already deleted
+(checkCount 0)
+
+(define kin (new-Klass "KlassInput"))
+(define notowned (get-not-owned-ptr kin))
+(set! exception_thrown "no exception thrown for notowned")
+(with-handlers ([exn:fail? (lambda (exn)
+                             (set! exception_thrown (exn-message exn)))])
+  (takeKlassAutoPtr notowned))
+(unless (string=? exception_thrown "takeKlassAutoPtr: cannot release ownership as memory is not owned for argument 1 of type 'Klass *'")
+  (error "Wrong or no exception thrown: " exception_thrown))
+(checkCount 1)
+(set! kin '()) (gc)
+(checkCount 0)
+
+(define kini (new-KlassInheritance "KlassInheritanceInput"))
+(checkCount 1)
+(define s (takeKlassAutoPtr kini))
+(checkCount 0)
+(unless (string=? s "KlassInheritanceInput")
+  (error "Incorrect string: " s))
+(unless (is-nullptr kini)
+  (error "is_nullptr failed"))
+(set! kini '()) (gc) ; Should not fail, even though already deleted
+(checkCount 0)
+
+; auto_ptr as output
+(define k1 (makeKlassAutoPtr "first"))
+(define k2 (makeKlassAutoPtr "second"))
+(checkCount 2)
+
+(set! k1 '()) (gc)
+(checkCount 1)
+
+(unless (string=? (Klass-getLabel k2) "second")
+  (error "wrong object label" ))
+
+(set! k2 '()) (gc)
+(checkCount 0)
+
+(exit 0)

Examples/test-suite/mzscheme/newobject1_runme.scm

@@ -2,4 +2,8 @@
 
 (require (lib "defmacro.ss"))
 
+; Define an equivalent to Guile's gc procedure
+(define-macro (gc)
+  `(collect-garbage 'major))
+
 (load "../schemerunme/newobject1.scm")