本文整理汇总了Java中jdk.internal.org.objectweb.asm.commons.InstructionAdapter.checkcast方法的典型用法代码示例。如果您正苦于以下问题:Java InstructionAdapter.checkcast方法的具体用法?Java InstructionAdapter.checkcast怎么用?Java InstructionAdapter.checkcast使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jdk.internal.org.objectweb.asm.commons.InstructionAdapter
的用法示例。
在下文中一共展示了InstructionAdapter.checkcast方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: generateClassInit
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void generateClassInit() {
final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_STATIC, CLASS_INIT,
VOID_METHOD_DESCRIPTOR, null, null));
// Assign "global = Context.getGlobal()"
GET_NON_NULL_GLOBAL.invoke(mv);
mv.putstatic(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
GET_CLASS_OVERRIDES.invoke(mv);
if(samName != null) {
// If the class is a SAM, allow having ScriptFunction passed as class overrides
mv.dup();
mv.instanceOf(SCRIPT_FUNCTION_TYPE);
mv.dup();
mv.putstatic(generatedClassName, IS_FUNCTION_FIELD_NAME, BOOLEAN_TYPE_DESCRIPTOR);
final Label notFunction = new Label();
mv.ifeq(notFunction);
mv.dup();
mv.checkcast(SCRIPT_FUNCTION_TYPE);
emitInitCallThis(mv);
mv.visitLabel(notFunction);
}
mv.putstatic(generatedClassName, DELEGATE_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
endInitMethod(mv);
}
示例2: generateClassInit
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void generateClassInit() {
final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_STATIC, CLASS_INIT,
VOID_METHOD_DESCRIPTOR, null, null));
// Assign "global = Context.getGlobal()"
GET_NON_NULL_GLOBAL.invoke(mv);
mv.putstatic(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
GET_CLASS_OVERRIDES.invoke(mv);
if(samName != null) {
// If the class is a SAM, allow having ScriptFunction passed as class overrides
mv.dup();
mv.instanceOf(SCRIPT_FUNCTION_TYPE);
mv.dup();
mv.putstatic(generatedClassName, IS_FUNCTION_FIELD_NAME, BOOLEAN_TYPE_DESCRIPTOR);
final Label notFunction = new Label();
mv.ifeq(notFunction);
mv.dup();
mv.checkcast(SCRIPT_FUNCTION_TYPE);
emitInitCallThis(mv);
mv.visitLabel(notFunction);
}
mv.putstatic(generatedClassName, DELEGATE_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
endInitMethod(mv);
}
示例3: generateFinalizerDelegate
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void generateFinalizerDelegate(final String finalizerDelegateName) {
// Generate a delegate that will be invoked from the no-permission trampoline. Note it can be private, as we'll
// refer to it with a MethodHandle constant pool entry in the overridden finalize() method (see
// generateFinalizerOverride()).
final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_PRIVATE | ACC_STATIC,
finalizerDelegateName, Type.getMethodDescriptor(Type.VOID_TYPE, OBJECT_TYPE), null, null));
// Simply invoke super.finalize()
mv.visitVarInsn(ALOAD, 0);
mv.checkcast(Type.getType(generatedClassName));
mv.invokespecial(superClassName, "finalize", Type.getMethodDescriptor(Type.VOID_TYPE), false);
mv.visitInsn(RETURN);
endMethod(mv);
}
示例4: generateFinalizerDelegate
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void generateFinalizerDelegate() {
// Generate a delegate that will be invoked from the no-permission trampoline. Note it can be private, as we'll
// refer to it with a MethodHandle constant pool entry in the overridden finalize() method (see
// generateFinalizerOverride()).
final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_PRIVATE | ACC_STATIC,
FINALIZER_DELEGATE_NAME, FINALIZER_DELEGATE_METHOD_DESCRIPTOR, null, null));
// Simply invoke super.finalize()
mv.visitVarInsn(ALOAD, 0);
mv.checkcast(Type.getType(generatedClassName));
mv.invokespecial(superClassName, "finalize", VOID_METHOD_DESCRIPTOR, false);
mv.visitInsn(RETURN);
endMethod(mv);
}
示例5: generateOverridingConstructorWithObjectParam
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void generateOverridingConstructorWithObjectParam(final InstructionAdapter mv, final String ctorDescriptor) {
mv.visitCode();
final int extraArgOffset = emitSuperConstructorCall(mv, ctorDescriptor);
// Check for ScriptObjectMirror
mv.visitVarInsn(ALOAD, extraArgOffset);
mv.instanceOf(SCRIPT_OBJECT_MIRROR_TYPE);
final Label notMirror = new Label();
mv.ifeq(notMirror);
mv.visitVarInsn(ALOAD, 0);
mv.visitVarInsn(ALOAD, extraArgOffset);
mv.iconst(0);
UNWRAP_MIRROR.invoke(mv);
mv.putfield(generatedClassName, DELEGATE_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.visitVarInsn(ALOAD, 0);
mv.visitVarInsn(ALOAD, extraArgOffset);
mv.iconst(1);
UNWRAP_MIRROR.invoke(mv);
mv.putfield(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
final Label done = new Label();
if (samName != null) {
mv.visitVarInsn(ALOAD, 0);
mv.getfield(generatedClassName, DELEGATE_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.instanceOf(SCRIPT_FUNCTION_TYPE);
mv.ifeq(done);
// Assign "isFunction = true"
mv.visitVarInsn(ALOAD, 0);
mv.iconst(1);
mv.putfield(generatedClassName, IS_FUNCTION_FIELD_NAME, BOOLEAN_TYPE_DESCRIPTOR);
mv.visitVarInsn(ALOAD, 0);
mv.dup();
mv.getfield(generatedClassName, DELEGATE_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.checkcast(SCRIPT_FUNCTION_TYPE);
emitInitCallThis(mv);
mv.goTo(done);
}
mv.visitLabel(notMirror);
// Throw error if not a ScriptObject
mv.visitVarInsn(ALOAD, extraArgOffset);
NOT_AN_OBJECT.invoke(mv);
mv.visitLabel(done);
endInitMethod(mv);
}