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Bug 749866 part 1. Add support for failureCode for sequence unwrapping. r=khuey

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This commit is contained in:
Boris Zbarsky 2012-11-05 11:58:02 -05:00
parent 51ea2f70a7
commit 54dd77191f
1 changed files with 8 additions and 4 deletions
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12
dom/bindings/Codegen.py
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@ -2025,8 +2025,11 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
if type.isSequence():
assert not isEnforceRange and not isClamp
if failureCode is not None:
raise TypeError("Can't handle sequences when failureCode is not None")
if failureCode is None:
notSequence = "return ThrowErrorMessage(cx, MSG_NOT_SEQUENCE);"
else:
notSequence = failureCode
nullable = type.nullable();
# Be very careful not to change "type": we need it later
if nullable:
@ -2071,7 +2074,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
templateBody = ("""JSObject* seq = &${val}.toObject();\n
if (!IsArrayLike(cx, seq)) {
return ThrowErrorMessage(cx, MSG_NOT_SEQUENCE);
%s
}
uint32_t length;
// JS_GetArrayLength actually works on all objects
@ -2088,7 +2091,8 @@ for (uint32_t i = 0; i < length; ++i) {
if (!JS_GetElement(cx, seq, i, &temp)) {
return false;
}
""" % (elementDeclType.define(),
""" % (CGIndenter(CGGeneric(notSequence)).define(),
elementDeclType.define(),
elementDeclType.define(),
arrayRef))