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src/java.base/share/classes/java/lang/invoke/Invokers.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
@@ -303,13 +303,11 @@
}
/** Static definition of MethodHandle.invokeExact checking code. */
/*non-public*/ static
@ForceInline
- void checkExactType(Object mhObj, Object expectedObj) {
- MethodHandle mh = (MethodHandle) mhObj;
- MethodType expected = (MethodType) expectedObj;
+ void checkExactType(MethodHandle mh, MethodType expected) {
MethodType actual = mh.type();
if (actual != expected)
throw newWrongMethodTypeException(expected, actual);
}
@@ -317,13 +315,11 @@
* Directly returns the type-adjusted MH to invoke, as follows:
* {@code (R)MH.invoke(a*) => MH.asType(TYPEOF(a*:R)).invokeBasic(a*)}
*/
/*non-public*/ static
@ForceInline
- Object checkGenericType(Object mhObj, Object expectedObj) {
- MethodHandle mh = (MethodHandle) mhObj;
- MethodType expected = (MethodType) expectedObj;
+ MethodHandle checkGenericType(MethodHandle mh, MethodType expected) {
return mh.asType(expected);
/* Maybe add more paths here. Possible optimizations:
* for (R)MH.invoke(a*),
* let MT0 = TYPEOF(a*:R), MT1 = MH.type
*
@@ -388,18 +384,17 @@
}
/** Static definition of MethodHandle.invokeGeneric checking code. */
/*non-public*/ static
@ForceInline
- Object getCallSiteTarget(Object site) {
- return ((CallSite)site).getTarget();
+ MethodHandle getCallSiteTarget(CallSite site) {
+ return site.getTarget();
}
/*non-public*/ static
@ForceInline
- void checkCustomized(Object o) {
- MethodHandle mh = (MethodHandle)o;
+ void checkCustomized(MethodHandle mh) {
if (MethodHandleImpl.isCompileConstant(mh)) return;
if (mh.form.customized == null) {
maybeCustomize(mh);
}
}
@@ -423,17 +418,17 @@
NF_checkCustomized;
static {
try {
NamedFunction nfs[] = {
NF_checkExactType = new NamedFunction(Invokers.class
- .getDeclaredMethod("checkExactType", Object.class, Object.class)),
+ .getDeclaredMethod("checkExactType", MethodHandle.class, MethodType.class)),
NF_checkGenericType = new NamedFunction(Invokers.class
- .getDeclaredMethod("checkGenericType", Object.class, Object.class)),
+ .getDeclaredMethod("checkGenericType", MethodHandle.class, MethodType.class)),
NF_getCallSiteTarget = new NamedFunction(Invokers.class
- .getDeclaredMethod("getCallSiteTarget", Object.class)),
+ .getDeclaredMethod("getCallSiteTarget", CallSite.class)),
NF_checkCustomized = new NamedFunction(Invokers.class
- .getDeclaredMethod("checkCustomized", Object.class))
+ .getDeclaredMethod("checkCustomized", MethodHandle.class))
};
// Each nf must be statically invocable or we get tied up in our bootstraps.
assert(InvokerBytecodeGenerator.isStaticallyInvocable(nfs));
} catch (ReflectiveOperationException ex) {
throw newInternalError(ex);
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