Java ResolvedJavaMethod.isAbstract方法代碼示例

import jdk.vm.ci.meta.ResolvedJavaMethod; //導入方法依賴的package包/類
private String checkTargetConditionsHelper(ResolvedJavaMethod method, int invokeBci) {
    OptionValues options = rootGraph.getOptions();
    if (method == null) {
        return "the method is not resolved";
    } else if (method.isNative() && (!Intrinsify.getValue(options) || !InliningUtil.canIntrinsify(context.getReplacements(), method, invokeBci))) {
        return "it is a non-intrinsic native method";
    } else if (method.isAbstract()) {
        return "it is an abstract method";
    } else if (!method.getDeclaringClass().isInitialized()) {
        return "the method's class is not initialized";
    } else if (!method.canBeInlined()) {
        return "it is marked non-inlinable";
    } else if (countRecursiveInlining(method) > MaximumRecursiveInlining.getValue(options)) {
        return "it exceeds the maximum recursive inlining depth";
    } else {
        if (new OptimisticOptimizations(rootGraph.getProfilingInfo(method), options).lessOptimisticThan(context.getOptimisticOptimizations())) {
            return "the callee uses less optimistic optimizations than caller";
        } else {
            return null;
        }
    }
}
 

import jdk.vm.ci.meta.ResolvedJavaMethod; //導入方法依賴的package包/類
/**
 * @see ResolvedJavaMethod#getCode()
 */
@Test
public void getCodeTest() {
    for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
        ResolvedJavaMethod m = e.getValue();
        byte[] code = m.getCode();
        if (code == null) {
            assertTrue(m.getCodeSize() == 0);
        } else {
            if (m.isAbstract()) {
                assertTrue(code.length == 0);
            } else if (!m.isNative()) {
                assertTrue(code.length > 0);
            }
        }
    }
}
 

import jdk.vm.ci.meta.ResolvedJavaMethod; //導入方法依賴的package包/類
@Override
protected void process() {
    if (callTarget.invokeKind().isDirect()) {
        /* Static and special calls: link the statically known callee method. */
        linkCallee(callTarget.targetMethod());
    } else {
        /* Virtual and interface call: Iterate all receiver types. */
        for (ResolvedJavaType type : getTypes()) {
            /*
             * Resolve the method call for one exact receiver type. The method linking
             * semantics of Java are complicated, but fortunatley we can use the linker of
             * the hosting Java VM. The Graal API exposes this functionality.
             */
            ResolvedJavaMethod method = type.resolveConcreteMethod(callTarget.targetMethod(), callTarget.invoke().getContextType());

            /*
             * Since the static analysis is conservative, the list of receiver types can
             * contain types that actually do not provide the method to be called. Ignore
             * these.
             */
            if (method != null && !method.isAbstract()) {
                linkCallee(method);
            }
        }
    }
    super.process();
}
 

import jdk.vm.ci.meta.ResolvedJavaMethod; //導入方法依賴的package包/類
/**
 * @see ResolvedJavaMethod#getCodeSize()
 */
@Test
public void getCodeSizeTest() {
    for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
        ResolvedJavaMethod m = e.getValue();
        int codeSize = m.getCodeSize();
        if (m.isAbstract()) {
            assertTrue(codeSize == 0);
        } else if (!m.isNative()) {
            assertTrue(codeSize > 0);
        }
    }
}