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Add Clamp and EnforceRange support for webidl arguments.

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snf 2015-05-17 02:33:07 +01:00 • committed by Ms2ger
parent 0888e1acac
commit 7f152b665d
5 changed files with 153 additions and 57 deletions
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23
components/script/dom/bindings/codegen/CodegenRust.py
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@ -832,7 +832,9 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
if treatNullAs not in treatAs:
raise TypeError("We don't support [TreatNullAs=%s]" % treatNullAs)
if type.nullable():
nullBehavior = "()"
# Note: the actual behavior passed here doesn't matter for nullable
# strings.
nullBehavior = "StringificationBehavior::Default"
else:
nullBehavior = treatAs[treatNullAs]
@ -1046,7 +1048,16 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
if not type.isPrimitive():
raise TypeError("Need conversion for argument type '%s'" % str(type))
assert not isEnforceRange and not isClamp
if type.isInteger():
if isEnforceRange:
conversionBehavior = "ConversionBehavior::EnforceRange"
elif isClamp:
conversionBehavior = "ConversionBehavior::Clamp"
else:
conversionBehavior = "ConversionBehavior::Default"
else:
assert not isEnforceRange and not isClamp
conversionBehavior = "()"
if failureCode is None:
failureCode = 'return 0'
@ -1055,12 +1066,11 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
if type.nullable():
declType = CGWrapper(declType, pre="Option<", post=">")
# XXXjdm support conversionBehavior here
template = (
"match FromJSValConvertible::from_jsval(cx, ${val}, ()) {\n"
"match FromJSValConvertible::from_jsval(cx, ${val}, %s) {\n"
" Ok(v) => v,\n"
" Err(_) => { %s }\n"
"}" % exceptionCode)
"}" % (conversionBehavior, exceptionCode))
if defaultValue is not None:
if isinstance(defaultValue, IDLNullValue):
@ -2002,6 +2012,7 @@ def UnionTypes(descriptors, dictionaries, callbacks, config):
'dom::bindings::codegen::PrototypeList',
'dom::bindings::conversions::FromJSValConvertible',
'dom::bindings::conversions::ToJSValConvertible',
'dom::bindings::conversions::ConversionBehavior',
'dom::bindings::conversions::native_from_handlevalue',
'dom::bindings::conversions::StringificationBehavior',
'dom::bindings::error::throw_not_in_union',
@ -5209,7 +5220,7 @@ class CGBindingRoot(CGThing):
'dom::bindings::callback::{CallbackContainer,CallbackInterface,CallbackFunction}',
'dom::bindings::callback::{CallSetup,ExceptionHandling}',
'dom::bindings::callback::wrap_call_this_object',
'dom::bindings::conversions::{FromJSValConvertible, ToJSValConvertible}',
'dom::bindings::conversions::{FromJSValConvertible, ToJSValConvertible, ConversionBehavior}',
'dom::bindings::conversions::{native_from_reflector, native_from_handlevalue, native_from_handleobject}',
'dom::bindings::conversions::DOM_OBJECT_SLOT',
'dom::bindings::conversions::IDLInterface',