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Rewrite FindEnumStringIndex to distinguish 'value not found' and 'exception raised'.

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This is in preparation for handling those cases differently.
This commit is contained in:
Ms2ger 2014-04-18 10:09:43 +02:00
parent fa653a5984
commit baa3845362
2 changed files with 19 additions and 26 deletions
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25
src/components/script/dom/bindings/codegen/CodegenRust.py
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@ -733,23 +733,20 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
"yet")
enum = type.inner.identifier.name
if invalidEnumValueFatal:
handleInvalidEnumValueCode = " return 0;\n"
handleInvalidEnumValueCode = "return 0;"
else:
handleInvalidEnumValueCode = " return 1;\n"
handleInvalidEnumValueCode = "return 1;"
template = (
"{\n"
#" int index = FindEnumStringIndex<%(invalidEnumValueFatal)s>(cx, ${val}, %(values)s, \"%(enumtype)s\", &ok);\n"
" let result = FindEnumStringIndex(cx, ${val}, %(values)s);\n"
" if result.is_err() {\n"
"%(handleInvalidEnumValueCode)s"
" }\n"
" let index = result.unwrap();\n"
" ${declName} = cast::transmute(index); //XXXjdm need some range checks up in here\n"
"}" % { "enumtype" : enum,
"values" : enum + "Values::strings",
"invalidEnumValueFatal" : toStringBool(invalidEnumValueFatal),
"handleInvalidEnumValueCode" : handleInvalidEnumValueCode })
"match FindEnumStringIndex(cx, ${val}, %(values)s) {\n"
" Err(_) => { %(handleInvalidEnumValueCode)s },\n"
" Ok(None) => { %(handleInvalidEnumValueCode)s },\n"
" Ok(Some(index)) => {\n"
" //XXXjdm need some range checks up in here.\n"
" ${declName} = cast::transmute(index);\n"
" },\n"
"}" % { "values" : enum + "Values::strings",
"handleInvalidEnumValueCode" : handleInvalidEnumValueCode })
if defaultValue is not None:
assert(defaultValue.type.tag() == IDLType.Tags.domstring)