In gcc/objc/: 2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
In gcc/objc/:
2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
* objc-act.c (objc_add_synthesize_declaration_for_property):
Iterate over IMPL_PROPERTY_DECL, not CLASS_PROPERTY_DECL, when
checking for an existing @synthesize or @dynamic declaration.
Search for an inherited @property declaration if none is found in
the local interface. If the required instance variable does not
exist, return instead of trying to continue to prevent a compiler
crash later. Check that the instance variable is not already
being used by another @synthesize.
(objc_add_dynamic_declaration_for_property): Iterate over
IMPL_PROPERTY_DECL, not CLASS_PROPERTY_DECL, when checking for an
existing @synthesize or @dynamic declaration.
(objc_synthesize_getter): Search for the getter declaration in
protocols and superclasses as well.
(objc_synthesize_setter): Search for the setter declaration in
protocols and superclasses as well.
In gcc/testsuite/:
2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
* objc.dg/property/synthesize-3.m: New.
* objc.dg/property/synthesize-4.m: New.
* objc.dg/property/synthesize-5.m: New.
* objc.dg/property/synthesize-6.m: New.
* obj-c++.dg/property/synthesize-3.mm: New.
* obj-c++.dg/property/synthesize-4.mm: New.
* obj-c++.dg/property/synthesize-5.mm: New.
* obj-c++.dg/property/synthesize-6.mm: New.
From-SVN: r166456
This commit is contained in:
Nicola Pero
Nicola Pero
parent
4ca5d2a7bd
commit
4741888d03
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@ -1,3 +1,21 @@
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2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
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* objc-act.c (objc_add_synthesize_declaration_for_property):
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Iterate over IMPL_PROPERTY_DECL, not CLASS_PROPERTY_DECL, when
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checking for an existing @synthesize or @dynamic declaration.
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Search for an inherited @property declaration if none is found in
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the local interface. If the required instance variable does not
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exist, return instead of trying to continue to prevent a compiler
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crash later. Check that the instance variable is not already
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being used by another @synthesize.
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(objc_add_dynamic_declaration_for_property): Iterate over
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IMPL_PROPERTY_DECL, not CLASS_PROPERTY_DECL, when checking for an
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existing @synthesize or @dynamic declaration.
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(objc_synthesize_getter): Search for the getter declaration in
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protocols and superclasses as well.
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(objc_synthesize_setter): Search for the setter declaration in
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protocols and superclasses as well.
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2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
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* objc-act.c (lookup_property): When checking categories, also
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@ -9363,7 +9363,7 @@ lookup_ivar (tree interface, tree instance_variable_name)
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/* This routine synthesizes a 'getter' method. This is only called
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for @synthesize properties. */
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static void
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objc_synthesize_getter (tree klass, tree class_method, tree property)
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objc_synthesize_getter (tree klass, tree class_methods ATTRIBUTE_UNUSED, tree property)
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{
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location_t location = DECL_SOURCE_LOCATION (property);
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tree fn, decl;
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@ -9375,9 +9375,9 @@ objc_synthesize_getter (tree klass, tree class_method, tree property)
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PROPERTY_GETTER_NAME (property)))
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return;
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/* Find declaration of the property getter in the interface. There
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must be one. TODO: Search superclasses as well. */
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decl = lookup_method (CLASS_NST_METHODS (class_method), PROPERTY_GETTER_NAME (property));
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/* Find declaration of the property getter in the interface (or
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superclass, or protocol). There must be one. */
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decl = lookup_method_static (klass, PROPERTY_GETTER_NAME (property), 0);
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/* If one not declared in the interface, this condition has already
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been reported as user error (because property was not declared in
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@ -9542,7 +9542,7 @@ objc_synthesize_getter (tree klass, tree class_method, tree property)
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/* This routine synthesizes a 'setter' method. */
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static void
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objc_synthesize_setter (tree klass ATTRIBUTE_UNUSED, tree class_method, tree property)
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objc_synthesize_setter (tree klass, tree class_methods ATTRIBUTE_UNUSED, tree property)
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{
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location_t location = DECL_SOURCE_LOCATION (property);
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tree fn, decl;
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@ -9554,9 +9554,9 @@ objc_synthesize_setter (tree klass ATTRIBUTE_UNUSED, tree class_method, tree pro
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PROPERTY_SETTER_NAME (property)))
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return;
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/* Find declaration of the property setter in the interface. There
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must be one. TODO: Search superclasses as well. */
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decl = lookup_method (CLASS_NST_METHODS (class_method), PROPERTY_SETTER_NAME (property));
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/* Find declaration of the property setter in the interface (or
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superclass, or protocol). There must be one. */
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decl = lookup_method_static (klass, PROPERTY_SETTER_NAME (property), 0);
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/* If one not declared in the interface, this condition has already
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been reported as user error (because property was not declared in
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@ -9736,10 +9736,11 @@ objc_add_synthesize_declaration_for_property (location_t location, tree interfac
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{
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/* Find the @property declaration. */
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tree property;
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tree x;
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/* Check that synthesize or dynamic has not already been used for
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the same property. */
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for (property = CLASS_PROPERTY_DECL (objc_implementation_context); property; property = TREE_CHAIN (property))
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for (property = IMPL_PROPERTY_DECL (objc_implementation_context); property; property = TREE_CHAIN (property))
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if (PROPERTY_NAME (property) == property_name)
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{
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location_t original_location = DECL_SOURCE_LOCATION (property);
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@ -9756,12 +9757,9 @@ objc_add_synthesize_declaration_for_property (location_t location, tree interfac
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return;
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}
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/* Check that the property is declared in the interface. */
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/* TODO: This only check the immediate class; we need to check the
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superclass (and categories ?) as well. */
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for (property = CLASS_PROPERTY_DECL (interface); property; property = TREE_CHAIN (property))
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if (PROPERTY_NAME (property) == property_name)
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break;
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/* Check that the property is declared in the interface. It could
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also be declared in a superclass or protocol. */
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property = lookup_property (interface, property_name);
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if (!property)
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{
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@ -9783,18 +9781,37 @@ objc_add_synthesize_declaration_for_property (location_t location, tree interfac
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if (ivar_name == NULL_TREE)
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ivar_name = property_name;
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/* Check that the instance variable exists. You can only use an
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instance variable from the same class, not one from the
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superclass. */
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/* Check that the instance variable exists. You can only use a
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non-private instance variable from the same class, not one from
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the superclass (this makes sense as it allows us to check that an
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instance variable is only used in one synthesized property). */
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if (!is_ivar (CLASS_IVARS (interface), ivar_name))
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error_at (location, "ivar %qs used by %<@synthesize%> declaration must be an existing ivar",
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IDENTIFIER_POINTER (property_name));
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{
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error_at (location, "ivar %qs used by %<@synthesize%> declaration must be an existing ivar",
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IDENTIFIER_POINTER (property_name));
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return;
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}
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/* TODO: Check that the types of the instance variable and of the
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property match. */
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/* TODO: Check that no other property is using the same instance
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/* Check that no other property is using the same instance
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variable. */
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for (x = IMPL_PROPERTY_DECL (objc_implementation_context); x; x = TREE_CHAIN (x))
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if (PROPERTY_IVAR_NAME (x) == ivar_name)
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{
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location_t original_location = DECL_SOURCE_LOCATION (x);
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error_at (location, "property %qs is using the same instance variable as property %qs",
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IDENTIFIER_POINTER (property_name),
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IDENTIFIER_POINTER (PROPERTY_NAME (x)));
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if (original_location != UNKNOWN_LOCATION)
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inform (original_location, "originally specified here");
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/* We keep going on. This won't cause the compiler to fail;
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the failure would most likely be at runtime. */
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}
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/* Note that a @synthesize (and only a @synthesize) always sets
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PROPERTY_IVAR_NAME to a non-NULL_TREE. You can recognize a
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@ -9876,7 +9893,7 @@ objc_add_dynamic_declaration_for_property (location_t location, tree interface,
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/* Check that synthesize or dynamic has not already been used for
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the same property. */
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for (property = CLASS_PROPERTY_DECL (objc_implementation_context); property; property = TREE_CHAIN (property))
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for (property = IMPL_PROPERTY_DECL (objc_implementation_context); property; property = TREE_CHAIN (property))
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if (PROPERTY_NAME (property) == property_name)
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{
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location_t original_location = DECL_SOURCE_LOCATION (property);
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@ -9912,9 +9929,10 @@ objc_add_dynamic_declaration_for_property (location_t location, tree interface,
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METHOD_PROPERTY_CONTEXT that points to the original
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PROPERTY_DECL; when we check that these methods have been
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implemented, we need to easily find that they are associated
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with a dynamic property. TODO: Clean this up; maybe the
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@property PROPERTY_DECL should contain a reference to the
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@dynamic PROPERTY_DECL ? */
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with a dynamic property. TODO: Remove this hack; it will not
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work with properties in a protocol that may be implemented by
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different classes and be @dynamic in some, and non-@dynamic
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in other ones. */
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PROPERTY_DYNAMIC (property) = 1;
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/* We have to copy the property, because we want to chain it to
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@ -1,3 +1,14 @@
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2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
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* objc.dg/property/synthesize-3.m: New.
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* objc.dg/property/synthesize-4.m: New.
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* objc.dg/property/synthesize-5.m: New.
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* objc.dg/property/synthesize-6.m: New.
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* obj-c++.dg/property/synthesize-3.mm: New.
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* obj-c++.dg/property/synthesize-4.mm: New.
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* obj-c++.dg/property/synthesize-5.mm: New.
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* obj-c++.dg/property/synthesize-6.mm: New.
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2010-11-08 Nicola Pero <nicola.pero@meta-innovation.com>
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* objc.dg/property/at-property-5.m: Updated test.
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@ -0,0 +1,66 @@
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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
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/* { dg-do run } */
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/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
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/* Test @synthesize for a @property which is not declared directly in
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the @interface, but in a @protocol that the @interface conforms
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to. */
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#include <objc/objc.h>
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#include <objc/runtime.h>
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#include <stdlib.h>
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@interface MyRootClass
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{
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Class isa;
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}
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+ (id) initialize;
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+ (id) alloc;
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- (id) init;
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@end
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@implementation MyRootClass
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+ (id) initialize { return self; }
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+ (id) alloc { return class_createInstance (self, 0); }
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- (id) init { return self; }
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@end
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@protocol MyProtocol
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@property int v1;
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@end
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@protocol MyProtocol2
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@property int v2;
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@end
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@interface Test : MyRootClass <MyProtocol, MyProtocol2>
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{
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int v1;
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int _v2;
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}
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@end
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@implementation Test
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@synthesize v1;
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@synthesize v2 = _v2;
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@end
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int main (void)
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{
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Test *object = [[Test alloc] init];
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/* Check that the synthesized methods exist and work. Do not invoke
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them via property syntax - that is another test. Here we just
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want to test the synthesis of the methods. */
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[object setV1: 400];
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if ([object v1] != 400)
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abort ();
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[object setV2: 31];
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if ([object v2] != 31)
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abort ();
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return 0;
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}
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@ -0,0 +1,67 @@
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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
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/* { dg-do run } */
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/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
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/* Test @synthesize for a @property where the setter/getter are also
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declared by the user. This is fine. */
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#include <objc/objc.h>
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#include <objc/runtime.h>
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#include <stdlib.h>
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@interface MyRootClass
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{
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Class isa;
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}
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+ (id) initialize;
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+ (id) alloc;
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- (id) init;
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@end
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@implementation MyRootClass
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+ (id) initialize { return self; }
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+ (id) alloc { return class_createInstance (self, 0); }
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- (id) init { return self; }
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@end
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@protocol MyProtocol
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@property int v1;
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@end
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@protocol MyProtocol2
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@property int v2;
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@end
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@interface Test : MyRootClass <MyProtocol, MyProtocol2>
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{
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int v1;
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int _v2;
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}
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- (int)v1;
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- (void)setV1: (int)aNumber;
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- (int)v2;
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@end
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@implementation Test
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@synthesize v1;
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@synthesize v2 = _v2;
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@end
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int main (void)
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{
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Test *object = [[Test alloc] init];
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/* We use dot-syntax here as this is just a general test that
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user-declared setters/getters don't cause confusion. */
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object.v1 = 400;
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if (object.v1 != 400)
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abort ();
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object.v2 = 31;
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if (object.v2 != 31)
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abort ();
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return 0;
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}
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@ -0,0 +1,18 @@
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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
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/* { dg-do compile } */
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/* Test that @synthesize does not ICE if asked to use a non-existing
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ivar. */
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#include <objc/objc.h>
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@interface Test
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@property int v1;
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@end
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@implementation Test
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@synthesize v1; /* { dg-error "must be an existing ivar" } */
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@end
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/* { dg-warning "incomplete implementation" "" { target *-*-* } 15 } */
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/* { dg-warning "method definition for .-setV1:. not found" "" { target *-*-* } 15 } */
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/* { dg-warning "method definition for .-v1. not found" "" { target *-*-* } 15 } */
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@ -0,0 +1,32 @@
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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
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/* { dg-do compile } */
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/* Test that each @synthesize is using a different instance variable,
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and that it must belong to the class (not to a superclass). */
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#include <objc/objc.h>
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@interface Test
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{
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int v;
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int w;
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}
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@property int v1;
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@property int v2;
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@end
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#if 0 /* This is a problem in the testsuite; the compiler is fine, but the testsuite still barfs on the following. */
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@implementation Test
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@synthesize v1 = v; /* dg-message "originally specified here" */
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@synthesize v2 = v; /* dg-error "property .v2. is using the same instance variable as property .v1." */
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@end
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#endif
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@interface Test2 : Test
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@property int w1;
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@end
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@implementation Test2
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@synthesize w1; /* { dg-error "ivar .w1. used by .@synthesize. declaration must be an existing ivar" } */
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@end
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/* { dg-warning "incomplete implementation" "" { target *-*-* } 29 } */
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/* { dg-warning "method definition for .-setW1:. not found" "" { target *-*-* } 29 } */
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/* { dg-warning "method definition for .-w1. not found" "" { target *-*-* } 29 } */
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|
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@ -0,0 +1,66 @@
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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
|
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/* { dg-do run } */
|
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/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
|
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|
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/* Test @synthesize for a @property which is not declared directly in
|
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the @interface, but in a @protocol that the @interface conforms
|
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to. */
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#include <objc/objc.h>
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#include <objc/runtime.h>
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#include <stdlib.h>
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@interface MyRootClass
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{
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Class isa;
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||||
}
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+ (id) initialize;
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+ (id) alloc;
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||||
- (id) init;
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@end
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@implementation MyRootClass
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+ (id) initialize { return self; }
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+ (id) alloc { return class_createInstance (self, 0); }
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- (id) init { return self; }
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@end
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@protocol MyProtocol
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@property int v1;
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@end
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@protocol MyProtocol2
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||||
@property int v2;
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||||
@end
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@interface Test : MyRootClass <MyProtocol, MyProtocol2>
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||||
{
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int v1;
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int _v2;
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||||
}
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@end
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||||
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@implementation Test
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@synthesize v1;
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@synthesize v2 = _v2;
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||||
@end
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||||
int main (void)
|
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{
|
||||
Test *object = [[Test alloc] init];
|
||||
|
||||
/* Check that the synthesized methods exist and work. Do not invoke
|
||||
them via property syntax - that is another test. Here we just
|
||||
want to test the synthesis of the methods. */
|
||||
[object setV1: 400];
|
||||
|
||||
if ([object v1] != 400)
|
||||
abort ();
|
||||
|
||||
[object setV2: 31];
|
||||
|
||||
if ([object v2] != 31)
|
||||
abort ();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
|
||||
/* { dg-do run } */
|
||||
/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
|
||||
|
||||
/* Test @synthesize for a @property where the setter/getter are also
|
||||
declared by the user. This is fine. */
|
||||
|
||||
#include <objc/objc.h>
|
||||
#include <objc/runtime.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
@interface MyRootClass
|
||||
{
|
||||
Class isa;
|
||||
}
|
||||
+ (id) initialize;
|
||||
+ (id) alloc;
|
||||
- (id) init;
|
||||
@end
|
||||
|
||||
@implementation MyRootClass
|
||||
+ (id) initialize { return self; }
|
||||
+ (id) alloc { return class_createInstance (self, 0); }
|
||||
- (id) init { return self; }
|
||||
@end
|
||||
|
||||
@protocol MyProtocol
|
||||
@property int v1;
|
||||
@end
|
||||
|
||||
@protocol MyProtocol2
|
||||
@property int v2;
|
||||
@end
|
||||
|
||||
@interface Test : MyRootClass <MyProtocol, MyProtocol2>
|
||||
{
|
||||
int v1;
|
||||
int _v2;
|
||||
}
|
||||
- (int)v1;
|
||||
- (void)setV1: (int)aNumber;
|
||||
- (int)v2;
|
||||
@end
|
||||
|
||||
@implementation Test
|
||||
@synthesize v1;
|
||||
@synthesize v2 = _v2;
|
||||
@end
|
||||
|
||||
int main (void)
|
||||
{
|
||||
Test *object = [[Test alloc] init];
|
||||
|
||||
/* We use dot-syntax here as this is just a general test that
|
||||
user-declared setters/getters don't cause confusion. */
|
||||
object.v1 = 400;
|
||||
|
||||
if (object.v1 != 400)
|
||||
abort ();
|
||||
|
||||
object.v2 = 31;
|
||||
|
||||
if (object.v2 != 31)
|
||||
abort ();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
|
||||
/* { dg-do compile } */
|
||||
|
||||
/* Test that @synthesize does not ICE if asked to use a non-existing
|
||||
ivar. */
|
||||
|
||||
#include <objc/objc.h>
|
||||
|
||||
@interface Test
|
||||
@property int v1;
|
||||
@end
|
||||
|
||||
@implementation Test
|
||||
@synthesize v1; /* { dg-error "must be an existing ivar" } */
|
||||
@end
|
||||
/* { dg-warning "incomplete implementation" "" { target *-*-* } 15 } */
|
||||
/* { dg-warning "method definition for .-setV1:. not found" "" { target *-*-* } 15 } */
|
||||
/* { dg-warning "method definition for .-v1. not found" "" { target *-*-* } 15 } */
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
|
||||
/* { dg-do compile } */
|
||||
|
||||
/* Test that each @synthesize is using a different instance variable,
|
||||
and that it must belong to the class (not to a superclass). */
|
||||
|
||||
#include <objc/objc.h>
|
||||
|
||||
@interface Test
|
||||
{
|
||||
int v;
|
||||
int w;
|
||||
}
|
||||
@property int v1;
|
||||
@property int v2;
|
||||
@end
|
||||
|
||||
@implementation Test
|
||||
@synthesize v1 = v; /* { dg-message "originally specified here" } */
|
||||
@synthesize v2 = v; /* { dg-error "property .v2. is using the same instance variable as property .v1." } */
|
||||
@end
|
||||
|
||||
@interface Test2 : Test
|
||||
@property int w1;
|
||||
@end
|
||||
|
||||
@implementation Test2
|
||||
@synthesize w1; /* { dg-error "ivar .w1. used by .@synthesize. declaration must be an existing ivar" } */
|
||||
@end
|
||||
/* { dg-warning "incomplete implementation" "" { target *-*-* } 29 } */
|
||||
/* { dg-warning "method definition for .-setW1:. not found" "" { target *-*-* } 29 } */
|
||||
/* { dg-warning "method definition for .-w1. not found" "" { target *-*-* } 29 } */
|
||||
Loading…
Reference in New Issue