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Remove the isOptional argument and the dealWithOptional return value from getJSToNativeConversionTemplate.

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Note that dictionaries currently don't support members without default values
right now.

This commit does not change the generated code.
This commit is contained in:
Ms2ger 2014-05-03 15:56:30 +02:00
parent 6ed924f515
commit 30fcf7ed61
1 changed files with 25 additions and 44 deletions
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69
src/components/script/dom/bindings/codegen/CodegenRust.py
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@ -275,7 +275,7 @@ class CGMethodCall(CGThing):
# The argument at index distinguishingIndex can't possibly # The argument at index distinguishingIndex can't possibly
# be unset here, because we've already checked that argc is # be unset here, because we've already checked that argc is
# large enough that we can examine this argument. # large enough that we can examine this argument.
template, declType, _, needsRooting = getJSToNativeConversionTemplate( template, declType, needsRooting = getJSToNativeConversionTemplate(
type, descriptor, failureCode="break;", isDefinitelyObject=True) type, descriptor, failureCode="break;", isDefinitelyObject=True)
testCode = instantiateJSToNativeConversionTemplate( testCode = instantiateJSToNativeConversionTemplate(
@ -400,7 +400,6 @@ def typeNeedsRooting(type, descriptorProvider):
def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
isDefinitelyObject=False, isDefinitelyObject=False,
isMember=False, isMember=False,
isOptional=False,
invalidEnumValueFatal=True, invalidEnumValueFatal=True,
defaultValue=None, defaultValue=None,
treatNullAs="Default", treatNullAs="Default",
@ -428,9 +427,6 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
passing true needs to ensure that it is handled correctly in passing true needs to ensure that it is handled correctly in
typeIsSequenceOrHasSequenceMember. typeIsSequenceOrHasSequenceMember.
If isOptional is true, then we are doing conversion of an optional
argument with no default value.
invalidEnumValueFatal controls whether an invalid enum value conversion invalidEnumValueFatal controls whether an invalid enum value conversion
attempt will throw (if true) or simply return without doing anything (if attempt will throw (if true) or simply return without doing anything (if
false). false).
@ -459,11 +455,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
3) A boolean indicating whether the caller has to do optional-argument handling. 3) A boolean indicating whether the caller has to do optional-argument handling.
""" """
# If we have a defaultValue then we're not actually optional for # We should not have a defaultValue if we know we're an object
# purposes of what we need to be declared as.
assert(defaultValue is None or not isOptional)
# Also, we should not have a defaultValue if we know we're an object
assert(not isDefinitelyObject or defaultValue is None) assert(not isDefinitelyObject or defaultValue is None)
# If exceptionCode is not set, we'll just rethrow the exception we got. # If exceptionCode is not set, we'll just rethrow the exception we got.
@ -475,18 +467,14 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
needsRooting = typeNeedsRooting(type, descriptorProvider) needsRooting = typeNeedsRooting(type, descriptorProvider)
def handleOptional(template, declType, isOptional, default): def handleOptional(template, declType, default):
assert (defaultValue is None) == (default is None) assert (defaultValue is None) == (default is None)
if isOptional:
template = "Some(%s)" % template
declType = CGWrapper(declType, pre="Option<", post=">")
if default is not None: if default is not None:
template = CGIfElseWrapper("${haveValue}", template = CGIfElseWrapper("${haveValue}",
CGGeneric(template), CGGeneric(template),
CGGeneric(default)).define() CGGeneric(default)).define()
return (template, declType, isOptional, needsRooting) return (template, declType, needsRooting)
# Unfortunately, .capitalize() on a string will lowercase things inside the # Unfortunately, .capitalize() on a string will lowercase things inside the
# string, which we do not want. # string, which we do not want.
@ -568,7 +556,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
" Err(()) => { %s },\n" " Err(()) => { %s },\n"
"}" % exceptionCode) "}" % exceptionCode)
return handleOptional(templateBody, declType, isOptional, handleDefaultNull("None")) return handleOptional(templateBody, declType, handleDefaultNull("None"))
if type.isGeckoInterface(): if type.isGeckoInterface():
assert not isEnforceRange and not isClamp assert not isEnforceRange and not isClamp
@ -583,7 +571,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
template = wrapObjectTemplate(conversion, isDefinitelyObject, type, template = wrapObjectTemplate(conversion, isDefinitelyObject, type,
failureCode) failureCode)
return handleOptional(template, declType, isOptional, handleDefaultNull("None")) return handleOptional(template, declType, handleDefaultNull("None"))
descriptorType = descriptor.memberType if isMember else descriptor.nativeType descriptorType = descriptor.memberType if isMember else descriptor.nativeType
@ -613,7 +601,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
templateBody = wrapObjectTemplate(templateBody, isDefinitelyObject, templateBody = wrapObjectTemplate(templateBody, isDefinitelyObject,
type, failureCode) type, failureCode)
return handleOptional(templateBody, declType, isOptional, handleDefaultNull("None")) return handleOptional(templateBody, declType, handleDefaultNull("None"))
if type.isSpiderMonkeyInterface(): if type.isSpiderMonkeyInterface():
raise TypeError("Can't handle SpiderMonkey interface arguments yet") raise TypeError("Can't handle SpiderMonkey interface arguments yet")
@ -660,7 +648,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
if type.nullable(): if type.nullable():
declType = "Option<%s>" % declType declType = "Option<%s>" % declType
return handleOptional(conversionCode, CGGeneric(declType), isOptional, default) return handleOptional(conversionCode, CGGeneric(declType), default)
if type.isByteString(): if type.isByteString():
assert not isEnforceRange and not isClamp assert not isEnforceRange and not isClamp
@ -675,7 +663,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
if type.nullable(): if type.nullable():
declType = CGWrapper(declType, pre="Option<", post=">") declType = CGWrapper(declType, pre="Option<", post=">")
return handleOptional(conversionCode, declType, isOptional, handleDefaultNull("None")) return handleOptional(conversionCode, declType, handleDefaultNull("None"))
if type.isEnum(): if type.isEnum():
assert not isEnforceRange and not isClamp assert not isEnforceRange and not isClamp
@ -707,7 +695,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
else: else:
default = None default = None
return handleOptional(template, CGGeneric(enum), isOptional, default) return handleOptional(template, CGGeneric(enum), default)
if type.isCallback(): if type.isCallback():
assert not isEnforceRange and not isClamp assert not isEnforceRange and not isClamp
@ -727,13 +715,13 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
"} else {\n" "} else {\n"
" ${declName} = NULL;\n" " ${declName} = NULL;\n"
"}" % haveCallable, "}" % haveCallable,
CGGeneric("JSObject*"), isOptional, None, needsRooting) CGGeneric("JSObject*"), None, needsRooting)
if type.isAny(): if type.isAny():
assert not isEnforceRange and not isClamp assert not isEnforceRange and not isClamp
declType = CGGeneric("JSVal") declType = CGGeneric("JSVal")
return handleOptional("${val}", declType, isOptional, handleDefaultNull("NullValue()")) return handleOptional("${val}", declType, handleDefaultNull("NullValue()"))
if type.isObject(): if type.isObject():
raise TypeError("Can't handle object arguments yet") raise TypeError("Can't handle object arguments yet")
@ -743,9 +731,6 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
raise TypeError("Can't handle dictionaries when failureCode is not None") raise TypeError("Can't handle dictionaries when failureCode is not None")
# There are no nullable dictionaries # There are no nullable dictionaries
assert not type.nullable() assert not type.nullable()
# All optional dictionaries always have default values, so we
# should be able to assume not isOptional here.
assert not isOptional
typeName = CGDictionary.makeDictionaryName(type.inner) typeName = CGDictionary.makeDictionaryName(type.inner)
declType = CGGeneric(typeName) declType = CGGeneric(typeName)
@ -754,13 +739,12 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
" Err(_) => return 0,\n" " Err(_) => return 0,\n"
"}" % typeName) "}" % typeName)
return handleOptional(template, declType, isOptional, handleDefaultNull("%s::empty()" % typeName)) return handleOptional(template, declType, handleDefaultNull("%s::empty()" % typeName))
if type.isVoid(): if type.isVoid():
assert not isOptional
# This one only happens for return values, and its easy: Just # This one only happens for return values, and its easy: Just
# ignore the jsval. # ignore the jsval.
return ("", None, False, False) return ("", None, False)
if not type.isPrimitive(): if not type.isPrimitive():
raise TypeError("Need conversion for argument type '%s'" % str(type)) raise TypeError("Need conversion for argument type '%s'" % str(type))
@ -798,7 +782,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
else: else:
defaultStr = None defaultStr = None
return handleOptional(template, declType, isOptional, defaultStr) return handleOptional(template, declType, defaultStr)
def instantiateJSToNativeConversionTemplate(templateBody, replacements, def instantiateJSToNativeConversionTemplate(templateBody, replacements,
declType, declName, needsRooting): declType, declName, needsRooting):
@ -883,19 +867,19 @@ class CGArgumentConverter(CGThing):
if argument.defaultValue: if argument.defaultValue:
replacementVariables["haveValue"] = condition replacementVariables["haveValue"] = condition
template, declType, dealWithOptional, needsRooting = getJSToNativeConversionTemplate( template, declType, needsRooting = getJSToNativeConversionTemplate(
argument.type, argument.type,
descriptorProvider, descriptorProvider,
isOptional=argument.optional and not argument.defaultValue,
invalidEnumValueFatal=invalidEnumValueFatal, invalidEnumValueFatal=invalidEnumValueFatal,
defaultValue=argument.defaultValue, defaultValue=argument.defaultValue,
treatNullAs=argument.treatNullAs, treatNullAs=argument.treatNullAs,
isEnforceRange=argument.enforceRange, isEnforceRange=argument.enforceRange,
isClamp=argument.clamp) isClamp=argument.clamp)
if dealWithOptional: if argument.optional and not argument.defaultValue:
declType = CGWrapper(declType, pre="Option<", post=">")
template = CGIfElseWrapper(condition, template = CGIfElseWrapper(condition,
CGGeneric(template), CGGeneric("Some(%s)" % template),
CGGeneric("None")).define() CGGeneric("None")).define()
self.converter = instantiateJSToNativeConversionTemplate( self.converter = instantiateJSToNativeConversionTemplate(
@ -2693,10 +2677,10 @@ def getUnionTypeTemplateVars(type, descriptorProvider):
name = type.name name = type.name
typeName = "/*" + type.name + "*/" typeName = "/*" + type.name + "*/"
template, _, _, _ = getJSToNativeConversionTemplate( template, _, _ = getJSToNativeConversionTemplate(
type, descriptorProvider, failureCode="return Ok(None);", type, descriptorProvider, failureCode="return Ok(None);",
exceptionCode='return Err(());', exceptionCode='return Err(());',
isDefinitelyObject=True, isOptional=False) isDefinitelyObject=True)
assert not type.isObject() assert not type.isObject()
jsConversion = string.Template(template).substitute({ jsConversion = string.Template(template).substitute({
@ -3344,7 +3328,7 @@ class CGProxySpecialOperation(CGPerSignatureCall):
if operation.isSetter() or operation.isCreator(): if operation.isSetter() or operation.isCreator():
# arguments[0] is the index or name of the item that we're setting. # arguments[0] is the index or name of the item that we're setting.
argument = arguments[1] argument = arguments[1]
template, declType, _, needsRooting = getJSToNativeConversionTemplate( template, declType, needsRooting = getJSToNativeConversionTemplate(
argument.type, descriptor, treatNullAs=argument.treatNullAs) argument.type, descriptor, treatNullAs=argument.treatNullAs)
templateValues = { templateValues = {
"val": "(*desc).value", "val": "(*desc).value",
@ -3984,7 +3968,6 @@ class CGDictionary(CGThing):
getJSToNativeConversionTemplate(member.type, getJSToNativeConversionTemplate(member.type,
descriptorProvider, descriptorProvider,
isMember=True, isMember=True,
isOptional=(not member.defaultValue),
defaultValue=member.defaultValue, defaultValue=member.defaultValue,
failureCode="return Err(());", failureCode="return Err(());",
exceptionCode="return Err(());")) exceptionCode="return Err(());"))
@ -4074,13 +4057,11 @@ class CGDictionary(CGThing):
return "/* uh oh */ %s" % name return "/* uh oh */ %s" % name
def getMemberType(self, memberInfo): def getMemberType(self, memberInfo):
(member, (templateBody, declType, dealWithOptional, _)) = memberInfo _, (_, declType, _) = memberInfo
if dealWithOptional:
declType = CGWrapper(declType, pre="Optional< ", post=" >")
return declType.define() return declType.define()
def getMemberConversion(self, memberInfo): def getMemberConversion(self, memberInfo):
(member, (templateBody, declType, dealWithOptional, _)) = memberInfo member, (templateBody, declType, _) = memberInfo
replacements = { "val": "value.unwrap()" } replacements = { "val": "value.unwrap()" }
if member.defaultValue: if member.defaultValue:
replacements["haveValue"] = "value.is_some()" replacements["haveValue"] = "value.is_some()"
@ -4870,7 +4851,7 @@ class CallbackMember(CGNativeMember):
isCallbackReturnValue = "JSImpl" isCallbackReturnValue = "JSImpl"
else: else:
isCallbackReturnValue = "Callback" isCallbackReturnValue = "Callback"
template, declType, _, needsRooting = getJSToNativeConversionTemplate( template, declType, needsRooting = getJSToNativeConversionTemplate(
self.retvalType, self.retvalType,
self.descriptorProvider, self.descriptorProvider,
exceptionCode=self.exceptionCode, exceptionCode=self.exceptionCode,