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auto merge of #2164 : Ms2ger/servo/dictionary-init, r=jdm

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This commit is contained in:
bors-servo 2014-04-18 12:58:04 -04:00
commit e332f2f0fe
1 changed files with 24 additions and 26 deletions
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50
src/components/script/dom/bindings/codegen/CodegenRust.py
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@ -670,8 +670,8 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
conversionCode = (
"match FromJSValConvertible::from_jsval(cx, ${val}, %s) {\n"
" Ok(strval) => ${declName} = %s,\n"
" Err(_) => return 0,\n"
"}" % (nullBehavior, strval))
" Err(_) => { %s },\n"
"}" % (nullBehavior, strval, exceptionCode))
if defaultValue is None:
return conversionCode
@ -794,7 +794,6 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
assert not isOptional
typeName = CGDictionary.makeDictionaryName(type.inner)
selfRef = "${declName}"
declType = CGGeneric(typeName)
@ -806,10 +805,10 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
else:
val = "${val}"
template = ("%s = %s::new();\n"
"if %s.Init(cx, %s) == 0 {\n"
" return 0;\n"
"}" % (selfRef, typeName, selfRef, val))
template = ("${declName} = match %s::new(cx, %s) {\n"
" Ok(dictionary) => dictionary,\n"
" Err(_) => return 0,\n"
"};" % (typeName, val))
return (template, declType, None, False, None)
@ -4143,7 +4142,9 @@ class CGDictionary(CGThing):
descriptorProvider,
isMember=True,
isOptional=(not member.defaultValue),
defaultValue=member.defaultValue))
defaultValue=member.defaultValue,
failureCode="return Err(());",
exceptionCode="return Err(());"))
for member in dictionary.members ]
def define(self):
@ -4172,10 +4173,11 @@ class CGDictionary(CGThing):
def impl(self):
d = self.dictionary
if d.parent:
initParent = ("// Per spec, we init the parent's members first\n"
"if self.parent.Init(cx, val) == 0 {\n"
" return 0;\n"
"}\n")
initParent = ("parent: match %s::%s::new(cx, val) {\n"
" Ok(parent) => parent,\n"
" Err(_) => return Err(()),\n"
"},\n") % (self.makeModuleName(d.parent),
self.makeClassName(d.parent))
else:
initParent = ""
@ -4196,27 +4198,23 @@ class CGDictionary(CGThing):
return string.Template(
"impl ${selfName} {\n"
" pub fn new() -> ${selfName} {\n"
" ${selfName} {\n" +
((" parent: %s::%s::new(),\n" % (self.makeModuleName(d.parent),
self.makeClassName(d.parent))) if d.parent else "") +
" pub fn new(cx: *JSContext, val: JSVal) -> Result<${selfName}, ()> {\n"
" let mut result = ${selfName} {\n"
"${initParent}" +
"\n".join(" %s: %s," % (self.makeMemberName(m[0].identifier.name), defaultValue(self.getMemberType(m))) for m in self.memberInfo) + "\n"
" }\n"
" }\n"
" };\n"
"\n"
" pub fn Init(&mut self, cx: *JSContext, val: JSVal) -> JSBool {\n"
" unsafe {\n"
"${initParent}"
" let mut found: JSBool = 0;\n"
" let temp: JSVal = NullValue();\n"
" let isNull = val.is_null_or_undefined();\n"
" if !isNull && val.is_primitive() {\n"
" return 0; //XXXjdm throw properly here\n"
" return Err(()); //XXXjdm throw properly here\n"
" //return Throw(cx, NS_ERROR_XPC_BAD_CONVERT_JS);\n"
" }\n"
"\n"
"${initMembers}\n"
" return 1;\n"
" Ok(result)\n"
" }\n"
" }\n"
"}").substitute({
@ -4255,7 +4253,7 @@ class CGDictionary(CGThing):
holderType, dealWithOptional, initialValue)) = memberInfo
replacements = { "val": "temp",
"valPtr": "&temp",
"declName": ("self.%s" % self.makeMemberName(member.identifier.name)),
"declName": ("result.%s" % self.makeMemberName(member.identifier.name)),
# We need a holder name for external interfaces, but
# it's scoped down to the conversion so we can just use
# anything we want.
@ -4282,13 +4280,13 @@ class CGDictionary(CGThing):
conversion = ("if isNull {\n"
" found = 0;\n"
"} else if ${propCheck} == 0 {\n"
" return 0;\n"
" return Err(());\n"
"}\n")
if member.defaultValue:
conversion += (
"if found != 0 {\n"
" if ${propGet} == 0 {\n"
" return 0;\n"
" return Err(());\n"
" }\n"
"}\n"
"${convert}")
@ -4297,7 +4295,7 @@ class CGDictionary(CGThing):
"if found != 0 {\n"
" ${prop}.Construct();\n"
" if ${propGet} == 0 {\n"
" return 0;\n"
" return Err(());\n"
" }\n"
"${convert}\n"
"}")