本文整理汇总了Java中jdk.internal.org.objectweb.asm.commons.InstructionAdapter.getfield方法的典型用法代码示例。如果您正苦于以下问题:Java InstructionAdapter.getfield方法的具体用法?Java InstructionAdapter.getfield怎么用?Java InstructionAdapter.getfield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.getfield方法的4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: loadField
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void loadField(final InstructionAdapter mv, final String name, final String desc) {
if(classOverride) {
mv.getstatic(generatedClassName, name, desc);
} else {
mv.visitVarInsn(ALOAD, 0);
mv.getfield(generatedClassName, name, desc);
}
}
示例2: loadField
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void loadField(final InstructionAdapter mv, final String name, final String desc) {
if(classOverride) {
mv.getstatic(generatedClassName, name, desc);
} else {
mv.visitVarInsn(ALOAD, 0);
mv.getfield(generatedClassName, name, desc);
}
}
示例3: convertReturnValue
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter; //导入方法依赖的package包/类
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
switch(asmReturnType.getSort()) {
case Type.VOID:
mv.pop();
break;
case Type.BOOLEAN:
JSType.TO_BOOLEAN.invoke(mv);
break;
case Type.BYTE:
JSType.TO_INT32.invoke(mv);
mv.visitInsn(Opcodes.I2B);
break;
case Type.SHORT:
JSType.TO_INT32.invoke(mv);
mv.visitInsn(Opcodes.I2S);
break;
case Type.CHAR:
// JSType doesn't have a TO_CHAR, so we have services supply us one.
mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
break;
case Type.INT:
JSType.TO_INT32.invoke(mv);
break;
case Type.LONG:
JSType.TO_LONG.invoke(mv);
break;
case Type.FLOAT:
JSType.TO_NUMBER.invoke(mv);
mv.visitInsn(Opcodes.D2F);
break;
case Type.DOUBLE:
JSType.TO_NUMBER.invoke(mv);
break;
default:
if(asmReturnType.equals(OBJECT_TYPE)) {
// Must hide ConsString (and potentially other internal Nashorn types) from callers
mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
} else if(asmReturnType.equals(STRING_TYPE)){
// Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
// of the string "n,u,l,l".
mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
} else {
// Invoke converter method handle for everything else. Note that we could have just added an asType or
// filterReturnValue to the invoked handle instead, but then every instance would have the function
// method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
if(classOverride) {
mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
} else {
mv.visitVarInsn(ALOAD, 0);
mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
}
mv.swap();
emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
}
}
}
示例4: 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);
}