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Improve handling of ConversionResult::Failure in unions.

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This commit is contained in:
Ms2ger 2016-09-19 16:54:25 +02:00
parent 6023560863
commit d1d2074d43
1 changed files with 19 additions and 21 deletions
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40
components/script/dom/bindings/codegen/CodegenRust.py
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@ -649,6 +649,11 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
if exceptionCode is None:
exceptionCode = "return false;"
if failureCode is None:
failOrPropagate = "throw_type_error(cx, &error);\n%s" % exceptionCode
else:
failOrPropagate = failureCode
needsRooting = typeNeedsRooting(type, descriptorProvider)
def handleOptional(template, declType, default):
@ -732,11 +737,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
templateBody = ("match FromJSValConvertible::from_jsval(cx, ${val}, %s) {\n"
" Ok(ConversionResult::Success(value)) => value,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s },\n"
"}" % (config, exceptionCode, exceptionCode))
"}" % (config, indent(failOrPropagate, 8), exceptionCode))
return handleOptional(templateBody, declType, handleDefaultNull("None"))
@ -748,11 +752,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
templateBody = ("match FromJSValConvertible::from_jsval(cx, ${val}, ()) {\n"
" Ok(ConversionResult::Success(value)) => value,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s },\n"
"}" % (exceptionCode, exceptionCode))
"}" % (indent(failOrPropagate, 8), exceptionCode))
return handleOptional(templateBody, declType, handleDefaultNull("None"))
@ -823,11 +826,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
"match FromJSValConvertible::from_jsval(cx, ${val}, %s) {\n"
" Ok(ConversionResult::Success(strval)) => strval,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s },\n"
"}" % (nullBehavior, exceptionCode, exceptionCode))
"}" % (nullBehavior, indent(failOrPropagate, 8), exceptionCode))
if defaultValue is None:
default = None
@ -853,11 +855,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
"match FromJSValConvertible::from_jsval(cx, ${val}, ()) {\n"
" Ok(ConversionResult::Success(strval)) => strval,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s },\n"
"}" % (exceptionCode, exceptionCode))
"}" % (indent(failOrPropagate, 8), exceptionCode))
if defaultValue is None:
default = None
@ -883,11 +884,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
"match FromJSValConvertible::from_jsval(cx, ${val}, ()) {\n"
" Ok(ConversionResult::Success(strval)) => strval,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s },\n"
"}" % (exceptionCode, exceptionCode))
"}" % (indent(failOrPropagate, 8), exceptionCode))
if defaultValue is None:
default = None
@ -1042,11 +1042,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
template = ("match %s::new(cx, ${val}) {\n"
" Ok(ConversionResult::Success(dictionary)) => dictionary,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s },\n"
"}" % (typeName, exceptionCode, exceptionCode))
"}" % (typeName, indent(failOrPropagate, 8), exceptionCode))
return handleOptional(template, declType, handleDefaultNull("%s::empty(cx)" % typeName))
@ -1071,11 +1070,10 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
"match FromJSValConvertible::from_jsval(cx, ${val}, %s) {\n"
" Ok(ConversionResult::Success(v)) => v,\n"
" Ok(ConversionResult::Failure(error)) => {\n"
" throw_type_error(cx, &error);\n"
" %s\n"
"%s\n"
" }\n"
" _ => { %s }\n"
"}" % (conversionBehavior, exceptionCode, exceptionCode))
"}" % (conversionBehavior, indent(failOrPropagate, 8), exceptionCode))
if defaultValue is not None:
if isinstance(defaultValue, IDLNullValue):