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Fix up some minor issues with default value handling in codegen

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JustOff 2019-03-13 18:49:40 +02:00 • committed by Roy Tam
commit bc82c959ec
1 changed files with 9 additions and 5 deletions
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14
dom/bindings/Codegen.py
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@ -4290,6 +4290,9 @@ class JSToNativeConversionInfo():
for whether we have a JS::Value. Only used when
defaultValue is not None or when True is passed for
checkForValue to instantiateJSToNativeConversion.
This expression may not be already-parenthesized, so if
you use it with && or || make sure to put parens
around it.
${passedToJSImpl} replaced by an expression that evaluates to a boolean
for whether this value is being passed to a JS-
implemented interface.
@ -5146,7 +5149,7 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
if isinstance(defaultValue, IDLNullValue):
extraConditionForNull = "!(${haveValue}) || "
else:
extraConditionForNull = "${haveValue} && "
extraConditionForNull = "(${haveValue}) && "
else:
extraConditionForNull = ""
templateBody = handleNull(templateBody, declLoc,
@ -5690,7 +5693,7 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
haveCallable = "${val}.isObject() && " + haveCallable
if defaultValue is not None:
assert(isinstance(defaultValue, IDLNullValue))
haveCallable = "${haveValue} && " + haveCallable
haveCallable = "(${haveValue}) && " + haveCallable
template = (
("if (%s) {\n" % haveCallable) +
conversion +
@ -5702,7 +5705,7 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
haveObject = "${val}.isObject()"
if defaultValue is not None:
assert(isinstance(defaultValue, IDLNullValue))
haveObject = "${haveValue} && " + haveObject
haveObject = "(${haveValue}) && " + haveObject
template = CGIfElseWrapper(haveObject,
CGGeneric(conversion),
CGGeneric("${declName} = nullptr;\n")).define()
@ -5770,8 +5773,9 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
return handleJSObjectType(type, isMember, failureCode, exceptionCode, sourceDescription)
if type.isDictionary():
# There are no nullable dictionaries
assert not type.nullable() or isCallbackReturnValue
# There are no nullable dictionary arguments or dictionary members
assert(not type.nullable() or isCallbackReturnValue or
(isMember and isMember != "Dictionary"))
# All optional dictionaries always have default values, so we
# should be able to assume not isOptional here.
assert not isOptional