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Bug 803519. Require indexed/named getters if we have creators/deleters/setters. r=peterv

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This commit is contained in:
Boris Zbarsky 2012-11-05 11:58:03 -05:00
parent da22cd5b71
commit f054cbef56
4 changed files with 80 additions and 33 deletions
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68
dom/bindings/Codegen.py
View File

@ -5061,6 +5061,15 @@ class CGProxyIndexedGetter(CGProxySpecialOperation):
self.templateValues = templateValues
CGProxySpecialOperation.__init__(self, descriptor, 'IndexedGetter')
class CGProxyIndexedPresenceChecker(CGProxyIndexedGetter):
"""
Class to generate a call that checks whether an indexed property exists.
For now, we just delegate to CGProxyIndexedGetter
"""
def __init__(self, descriptor):
CGProxyIndexedGetter.__init__(self, descriptor)
class CGProxyIndexedSetter(CGProxySpecialOperation):
"""
Class to generate a call to an indexed setter.
@ -5077,6 +5086,15 @@ class CGProxyNamedGetter(CGProxySpecialOperation):
self.templateValues = templateValues
CGProxySpecialOperation.__init__(self, descriptor, 'NamedGetter')
class CGProxyNamedPresenceChecker(CGProxyNamedGetter):
"""
Class to generate a call that checks whether a named property exists.
For now, we just delegate to CGProxyNamedGetter
"""
def __init__(self, descriptor):
CGProxyNamedGetter.__init__(self, descriptor)
class CGProxyNamedSetter(CGProxySpecialOperation):
"""
Class to generate a call to a named setter.
@ -5150,11 +5168,9 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(ClassMethod):
indexedSetter = self.descriptor.operations['IndexedSetter']
setOrIndexedGet = ""
if indexedGetter or indexedSetter:
if self.descriptor.supportsIndexedProperties():
setOrIndexedGet += "int32_t index = GetArrayIndexFromId(cx, id);\n"
if indexedGetter:
readonly = toStringBool(self.descriptor.operations['IndexedSetter'] is None)
readonly = toStringBool(indexedSetter is None)
fillDescriptor = "FillPropertyDescriptor(desc, proxy, %s);\nreturn true;" % readonly
templateValues = {'jsvalRef': 'desc->value', 'jsvalPtr': '&desc->value',
'obj': 'proxy', 'successCode': fillDescriptor}
@ -5192,8 +5208,7 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(ClassMethod):
CGIndenter(CGGeneric(get)).define() +
"}\n\n")
namedGetter = self.descriptor.operations['NamedGetter']
if namedGetter:
if self.descriptor.supportsNamedProperties():
readonly = toStringBool(self.descriptor.operations['NamedSetter'] is None)
fillDescriptor = "FillPropertyDescriptor(desc, proxy, %s);\nreturn true;" % readonly
templateValues = {'jsvalRef': 'desc->value', 'jsvalPtr': '&desc->value',
@ -5252,7 +5267,7 @@ class CGDOMJSProxyHandler_defineProperty(ClassMethod):
CGIndenter(CGProxyIndexedSetter(self.descriptor)).define() +
" return true;\n" +
"}\n") % (self.descriptor.nativeType)
elif self.descriptor.operations['IndexedGetter']:
elif self.descriptor.supportsIndexedProperties():
set += ("if (GetArrayIndexFromId(cx, id) >= 0) {\n" +
" return ThrowErrorMessage(cx, MSG_NO_PROPERTY_SETTER, \"%s\");\n" +
"}\n") % self.descriptor.name
@ -5273,7 +5288,7 @@ class CGDOMJSProxyHandler_defineProperty(ClassMethod):
CGIndenter(CGProxyNamedSetter(self.descriptor)).define() + "\n" +
" return true;\n" +
"}\n") % (self.descriptor.nativeType)
elif self.descriptor.operations['NamedGetter']:
elif self.descriptor.supportsNamedProperties():
set += ("if (JSID_IS_STRING(id)) {\n" +
" JS::Value nameVal = STRING_TO_JSVAL(JSID_TO_STRING(id));\n" +
" FakeDependentString name;\n"
@ -5282,7 +5297,7 @@ class CGDOMJSProxyHandler_defineProperty(ClassMethod):
" return false;\n" +
" }\n" +
" %s* self = UnwrapProxy(proxy);\n" +
CGIndenter(CGProxyNamedGetter(self.descriptor)).define() +
CGIndenter(CGProxyNamedPresenceChecker(self.descriptor)).define() +
" if (found) {\n"
" return ThrowErrorMessage(cx, MSG_NO_PROPERTY_SETTER, \"%s\");\n" +
" }\n" +
@ -5318,11 +5333,8 @@ class CGDOMJSProxyHandler_delete(ClassMethod):
"}")
body = (eval("CGProxy%sDeleter" % type)(self.descriptor).define() +
setBp)
elif self.descriptor.operations[type + 'Getter']:
# XXXbz: We should be doing this for cases when we have a
# creator or setter too, but we have no way to find out
# whether the property name is supported in those cases!
body = (eval("CGProxy%sGetter" % type)(self.descriptor).define() +
elif eval("self.descriptor.supports%sProperties()" % type):
body = (eval("CGProxy%sPresenceChecker" % type)(self.descriptor).define() +
"if (found) {\n"
" // XXXbz we should throw if Throw is true!\n"
" *bp = false;\n"
@ -5373,8 +5385,7 @@ class CGDOMJSProxyHandler_getOwnPropertyNames(ClassMethod):
self.descriptor = descriptor
def getBody(self):
# Per spec, we do indices, then named props, then everything else
indexedGetter = self.descriptor.operations['IndexedGetter']
if indexedGetter:
if self.descriptor.supportsIndexedProperties():
addIndices = """uint32_t length = UnwrapProxy(proxy)->Length();
MOZ_ASSERT(int32_t(length) >= 0);
for (int32_t i = 0; i < int32_t(length); ++i) {
@ -5387,11 +5398,7 @@ for (int32_t i = 0; i < int32_t(length); ++i) {
else:
addIndices = ""
supportsNames = (self.descriptor.operations['NamedGetter'] or
self.descriptor.operations['NamedSetter'] or
self.descriptor.operations['NamedCreator'] or
self.descriptor.operations['NamedDeleter'])
if supportsNames:
if self.descriptor.supportsNamedProperties():
addNames = """nsTArray<nsString> names;
UnwrapProxy(proxy)->GetSupportedNames(names);
if (!AppendNamedPropertyIds(cx, proxy, names, props)) {
@ -5417,20 +5424,18 @@ class CGDOMJSProxyHandler_hasOwn(ClassMethod):
ClassMethod.__init__(self, "hasOwn", "bool", args)
self.descriptor = descriptor
def getBody(self):
indexedGetter = self.descriptor.operations['IndexedGetter']
if indexedGetter:
if self.descriptor.supportsIndexedProperties():
indexed = ("int32_t index = GetArrayIndexFromId(cx, id);\n" +
"if (index >= 0) {\n" +
" %s* self = UnwrapProxy(proxy);\n" +
CGIndenter(CGProxyIndexedGetter(self.descriptor)).define() + "\n" +
CGIndenter(CGProxyIndexedPresenceChecker(self.descriptor)).define() + "\n" +
" *bp = found;\n" +
" return true;\n" +
"}\n\n") % (self.descriptor.nativeType)
else:
indexed = ""
namedGetter = self.descriptor.operations['NamedGetter']
if namedGetter:
if self.descriptor.supportsNamedProperties():
named = ("if (JSID_IS_STRING(id) && !HasPropertyOnPrototype(cx, proxy, this, id)) {\n" +
" jsval nameVal = STRING_TO_JSVAL(JSID_TO_STRING(id));\n" +
" FakeDependentString name;\n"
@ -5440,7 +5445,7 @@ class CGDOMJSProxyHandler_hasOwn(ClassMethod):
" }\n" +
"\n" +
" %s* self = UnwrapProxy(proxy);\n" +
CGIndenter(CGProxyNamedGetter(self.descriptor)).define() + "\n" +
CGIndenter(CGProxyNamedPresenceChecker(self.descriptor)).define() + "\n" +
" *bp = found;\n"
" return true;\n"
"}\n" +
@ -5483,8 +5488,7 @@ if (expando) {
templateValues = {'jsvalRef': '*vp', 'jsvalPtr': 'vp', 'obj': 'proxy'}
indexedGetter = self.descriptor.operations['IndexedGetter']
if indexedGetter:
if self.descriptor.supportsIndexedProperties():
getIndexedOrExpando = ("int32_t index = GetArrayIndexFromId(cx, id);\n" +
"if (index >= 0) {\n" +
" %s* self = UnwrapProxy(proxy);\n" +
@ -5499,8 +5503,7 @@ if (expando) {
else:
getIndexedOrExpando = getFromExpando + "\n"
namedGetter = self.descriptor.operations['NamedGetter']
if namedGetter:
if self.descriptor.supportsNamedProperties():
getNamed = ("if (JSID_IS_STRING(id)) {\n" +
" JS::Value nameVal = STRING_TO_JSVAL(JSID_TO_STRING(id));\n" +
" FakeDependentString name;\n"
@ -5557,8 +5560,7 @@ class CGDOMJSProxyHandler_getElementIfPresent(ClassMethod):
ClassMethod.__init__(self, "getElementIfPresent", "bool", args)
self.descriptor = descriptor
def getBody(self):
indexedGetter = self.descriptor.operations['IndexedGetter']
if indexedGetter:
if self.descriptor.supportsIndexedProperties():
successCode = """*present = found;
return true;"""
templateValues = {'jsvalRef': '*vp', 'jsvalPtr': 'vp',

20
dom/bindings/Configuration.py
View File

@ -239,6 +239,20 @@ class Descriptor(DescriptorProvider):
iface = iface.parent
if self.proxy:
if (not operations['IndexedGetter'] and
(operations['IndexedSetter'] or
operations['IndexedDeleter'] or
operations['IndexedCreator'])):
raise SyntaxError("%s supports indexed properties but does "
"not have an indexed getter.\n%s" %
(self.interface, self.interface.location))
if (not operations['NamedGetter'] and
(operations['NamedSetter'] or
operations['NamedDeleter'] or
operations['NamedCreator'])):
raise SyntaxError("%s supports named properties but does "
"not have a named getter.\n%s" %
(self.interface, self.interface.location))
iface = self.interface
while iface:
iface.setUserData('hasProxyDescendant', True)
@ -358,3 +372,9 @@ class Descriptor(DescriptorProvider):
throws = member.getExtendedAttribute(throwsAttr)
maybeAppendInfallibleToAttrs(attrs, throws)
return attrs
def supportsIndexedProperties(self):
return self.operations['IndexedGetter'] is not None
def supportsNamedProperties(self):
return self.operations['NamedGetter'] is not None

15
dom/bindings/test/TestBindingHeader.h
View File

@ -641,6 +641,8 @@ public:
virtual nsISupports* GetParentObject();
void IndexedSetter(uint32_t, const nsAString&);
void IndexedGetter(uint32_t, bool&, nsString&);
uint32_t Length();
void SetItem(uint32_t, const nsAString&);
};
@ -654,6 +656,7 @@ public:
virtual nsISupports* GetParentObject();
void NamedSetter(const nsAString&, TestIndexedSetterInterface&);
TestIndexedSetterInterface* NamedGetter(const nsAString&, bool&);
void GetSupportedNames(nsTArray<nsString>&);
};
@ -667,7 +670,10 @@ public:
virtual nsISupports* GetParentObject();
void IndexedSetter(uint32_t, TestIndexedSetterInterface&);
TestIndexedSetterInterface* IndexedGetter(uint32_t, bool&);
uint32_t Length();
void NamedSetter(const nsAString&, TestIndexedSetterInterface&);
TestIndexedSetterInterface* NamedGetter(const nsAString&, bool&);
void SetNamedItem(const nsAString&, TestIndexedSetterInterface&);
void GetSupportedNames(nsTArray<nsString>&);
};
@ -712,6 +718,8 @@ public:
void IndexedDeleter(uint32_t, bool&);
void IndexedDeleter(uint32_t) MOZ_DELETE;
long IndexedGetter(uint32_t, bool&);
uint32_t Length();
void DelItem(uint32_t);
void DelItem(uint32_t, bool&) MOZ_DELETE;
};
@ -727,6 +735,8 @@ public:
bool IndexedDeleter(uint32_t, bool&);
bool IndexedDeleter(uint32_t) MOZ_DELETE;
long IndexedGetter(uint32_t, bool&);
uint32_t Length();
bool DelItem(uint32_t);
bool DelItem(uint32_t, bool&) MOZ_DELETE;
};
@ -741,6 +751,7 @@ public:
virtual nsISupports* GetParentObject();
void NamedDeleter(const nsAString&, bool&);
long NamedGetter(const nsAString&, bool&);
void GetSupportedNames(nsTArray<nsString>&);
};
@ -755,6 +766,7 @@ public:
bool NamedDeleter(const nsAString&, bool&);
bool NamedDeleter(const nsAString&) MOZ_DELETE;
long NamedGetter(const nsAString&, bool&);
bool DelNamedItem(const nsAString&);
bool DelNamedItem(const nsAString&, bool&) MOZ_DELETE;
void GetSupportedNames(nsTArray<nsString>&);
@ -770,9 +782,12 @@ public:
virtual nsISupports* GetParentObject();
void IndexedDeleter(uint32_t, bool&);
long IndexedGetter(uint32_t, bool&);
uint32_t Length();
void NamedDeleter(const nsAString&, bool&);
void NamedDeleter(const nsAString&) MOZ_DELETE;
long NamedGetter(const nsAString&, bool&);
void DelNamedItem(const nsAString&);
void DelNamedItem(const nsAString&, bool&) MOZ_DELETE;
void GetSupportedNames(nsTArray<nsString>&);

10
dom/bindings/test/TestCodeGen.webidl
View File

@ -441,15 +441,19 @@ interface TestIndexedAndNamedGetterInterface {
interface TestIndexedSetterInterface {
setter creator void setItem(unsigned long index, DOMString item);
getter DOMString (unsigned long index);
};
interface TestNamedSetterInterface {
setter creator void (DOMString name, TestIndexedSetterInterface item);
getter TestIndexedSetterInterface (DOMString name);
};
interface TestIndexedAndNamedSetterInterface {
setter creator void (unsigned long index, TestIndexedSetterInterface item);
getter TestIndexedSetterInterface (unsigned long index);
setter creator void setNamedItem(DOMString name, TestIndexedSetterInterface item);
getter TestIndexedSetterInterface (DOMString name);
};
interface TestIndexedAndNamedGetterAndSetterInterface : TestIndexedSetterInterface {
@ -465,23 +469,29 @@ interface TestIndexedAndNamedGetterAndSetterInterface : TestIndexedSetterInterfa
interface TestIndexedDeleterInterface {
deleter void delItem(unsigned long index);
getter long (unsigned long index);
};
interface TestIndexedDeleterWithRetvalInterface {
deleter boolean delItem(unsigned long index);
getter long (unsigned long index);
};
interface TestNamedDeleterInterface {
deleter void (DOMString name);
getter long (DOMString name);
};
interface TestNamedDeleterWithRetvalInterface {
deleter boolean delNamedItem(DOMString name);
getter long (DOMString name);
};
interface TestIndexedAndNamedDeleterInterface {
deleter void (unsigned long index);
getter long (unsigned long index);
deleter void delNamedItem(DOMString name);
getter long (DOMString name);
};
interface TestCppKeywordNamedMethodsInterface {