[PATCH 2/2] vm: implement java/lang/reflect/Method.getReturnType()

[Tomek Grabiec]

Signed-off-by: Tomek Grabiec <tgrab...@gmail.com>
---
 include/vm/reflection.h |    1 +
 vm/jato.c               |    1 +
 vm/reflection.c         |   18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/include/vm/reflection.h b/include/vm/reflection.h
index f9c709a..c1e3aa4 100644
--- a/include/vm/reflection.h
+++ b/include/vm/reflection.h
@@ -39,5 +39,6 @@ native_method_invokenative(struct vm_object *method, struct 
vm_object *o,
                           struct vm_object *declaringClass,
                           jint slot);
 void native_field_set(struct vm_object *this, struct vm_object *o, struct 
vm_object *value_obj);
+struct vm_object *native_method_getreturntype(struct vm_object *method);
 
 #endif /* __JATO_VM_REFLECTION_H */
diff --git a/vm/jato.c b/vm/jato.c
index 332b3fb..1c84ccf 100644
--- a/vm/jato.c
+++ b/vm/jato.c
@@ -877,6 +877,7 @@ static struct vm_native natives[] = {
        DEFINE_NATIVE("java/lang/reflect/Field", "getType", 
&native_field_gettype),
        DEFINE_NATIVE("java/lang/reflect/Method", "getParameterTypes", 
&native_method_get_parameter_types),
        DEFINE_NATIVE("java/lang/reflect/Method", "invokeNative", 
&native_method_invokenative),
+       DEFINE_NATIVE("java/lang/reflect/Method", "getReturnType", 
&native_method_getreturntype),
        DEFINE_NATIVE("jato/internal/VM", "enableFault", 
&native_vm_enable_fault),
        DEFINE_NATIVE("jato/internal/VM", "disableFault", 
&native_vm_disable_fault),
        DEFINE_NATIVE("sun/misc/Unsafe", "compareAndSwapInt", 
native_unsafe_compare_and_swap_int),
diff --git a/vm/reflection.c b/vm/reflection.c
index d180634..80db700 100644
--- a/vm/reflection.c
+++ b/vm/reflection.c
@@ -810,3 +810,21 @@ struct vm_object *native_field_gettype(struct vm_object 
*this)
 
        return vmc->object;
 }
+
+struct vm_object *native_method_getreturntype(struct vm_object *method)
+{
+       struct vm_method *vmm = vm_object_to_vm_method(method);
+       if (!vmm)
+               return NULL;
+
+       struct vm_class *vmc;
+
+       vmc = vm_type_to_class(vmm->class->classloader, &vmm->return_type);
+       if (vmc)
+               vm_class_ensure_init(vmc);
+
+       if (!vmc || exception_occurred())
+               return NULL;
+
+       return vmc->object;
+}
-- 
1.6.0.4


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