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generate JIT argument type information for methods

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Fixes #6904.
This commit is contained in:
Nathan Froyd 2015-10-16 02:04:37 -04:00
parent dd74572dc0
commit 4f649ac6dd
1 changed files with 26 additions and 2 deletions
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28
components/script/dom/bindings/codegen/CodegenRust.py
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@ -1445,7 +1445,11 @@ class MethodDefiner(PropertyDefiner):
selfHostedName = "0 as *const i8"
if m.get("methodInfo", True):
identifier = m.get("nativeName", m["name"])
jitinfo = "&%s_methodinfo" % identifier
# Go through an intermediate type here, because it's not
# easy to tell whether the methodinfo is a JSJitInfo or
# a JSTypedMethodJitInfo here. The compiler knows, though,
# so let it do the work.
jitinfo = "&%s_methodinfo as *const _ as *const JSJitInfo" % identifier
accessor = "Some(generic_method)"
else:
jitinfo = "0 as *const JSJitInfo"
@ -3085,6 +3089,26 @@ class CGMemberJITInfo(CGThing):
slotIndex=slotIndex)
return initializer.rstrip()
if args is not None:
argTypes = "%s_argTypes" % infoName
args = [CGMemberJITInfo.getJSArgType(arg.type) for arg in args]
args.append("ArgType::ArgTypeListEnd as i32")
argTypesDecl = (
"const %s: [i32; %d] = [ %s ];\n" %
(argTypes, len(args), ", ".join(args)))
return fill(
"""
$*{argTypesDecl}
const ${infoName}: JSTypedMethodJitInfo = JSTypedMethodJitInfo {
base: ${jitInfo},
argTypes: &${argTypes} as *const _ as *const ArgType,
};
""",
argTypesDecl=argTypesDecl,
infoName=infoName,
jitInfo=indent(jitInfoInitializer(True)),
argTypes=argTypes)
return ("\n"
"const %s: JSJitInfo = %s;\n"
% (infoName, jitInfoInitializer(False)))
@ -5149,7 +5173,7 @@ class CGBindingRoot(CGThing):
'js::jsapi::{RootedValue, JSNativeWrapper, JSNative, JSObject, JSPropertyDescriptor}',
'js::jsapi::{RootedId, JS_InternString, RootedString, INTERNED_STRING_TO_JSID}',
'js::jsapi::{JSPropertySpec}',
'js::jsapi::{JSString, JSTracer, JSJitInfo, OpType, AliasSet}',
'js::jsapi::{JSString, JSTracer, JSJitInfo, JSTypedMethodJitInfo, OpType, AliasSet, ArgType}',
'js::jsapi::{MutableHandle, Handle, HandleId, JSType, JSValueType}',
'js::jsapi::{SymbolCode, ObjectOpResult, HandleValueArray}',
'js::jsapi::{JSJitGetterCallArgs, JSJitSetterCallArgs, JSJitMethodCallArgs, CallArgs}',