// the overload of type Object for Groovy coercions: public void setFoo(Object foo) private void createTypeConvertingSetter( ClassVisitor visitor, Type generatedType, ModelProperty<?> property) { if (!property.isWritable() || !(property.getSchema() instanceof ScalarValueSchema)) { return; } Class<?> propertyClass = property.getType().getConcreteClass(); Type propertyType = Type.getType(propertyClass); Class<?> boxedClass = propertyClass.isPrimitive() ? BOXED_TYPES.get(propertyClass) : propertyClass; Type boxedType = Type.getType(boxedClass); Method setter = property.getSetter().getMethod(); MethodVisitor methodVisitor = declareMethod( visitor, setter.getName(), SET_OBJECT_PROPERTY_DESCRIPTOR, SET_OBJECT_PROPERTY_DESCRIPTOR); putThisOnStack(methodVisitor); putTypeConverterFieldValueOnStack(methodVisitor, generatedType); // Object converted = $typeConverter.convert(foo, Float.class, false); methodVisitor.visitVarInsn(ALOAD, 1); // put var #1 ('foo') on the stack methodVisitor.visitLdcInsn(boxedType); // push the constant Class onto the stack methodVisitor.visitInsn( propertyClass.isPrimitive() ? ICONST_1 : ICONST_0); // push int 1 or 0 (interpreted as true or false) onto the stack methodVisitor.visitMethodInsn( INVOKEINTERFACE, TYPE_CONVERTER_TYPE.getInternalName(), "convert", COERCE_TO_SCALAR_DESCRIPTOR, true); methodVisitor.visitTypeInsn(CHECKCAST, boxedType.getInternalName()); if (propertyClass.isPrimitive()) { unboxType(methodVisitor, propertyClass); } // invoke the typed setter, popping 'this' and 'converted' from the stack methodVisitor.visitMethodInsn( INVOKEVIRTUAL, generatedType.getInternalName(), setter.getName(), Type.getMethodDescriptor(Type.VOID_TYPE, propertyType), false); finishVisitingMethod(methodVisitor); }
private void writeSetMethod(ClassVisitor visitor, Type generatedType, ModelProperty<?> property) { if (property.isWritable() && property.getSchema() instanceof ScalarValueSchema) { // TODO - should we support this? // Adds a void $propName(Object value) method that sets the value MethodVisitor methodVisitor = declareMethod( visitor, property.getName(), Type.getMethodDescriptor(Type.VOID_TYPE, OBJECT_TYPE), null); putThisOnStack(methodVisitor); putFirstMethodArgumentOnStack(methodVisitor); methodVisitor.visitMethodInsn( INVOKEVIRTUAL, generatedType.getInternalName(), property.getSetter().getName(), Type.getMethodDescriptor(Type.VOID_TYPE, OBJECT_TYPE), false); finishVisitingMethod(methodVisitor); } }
private void writeConfigureMethod( ClassVisitor visitor, Type generatedType, ModelProperty<?> property) { if (!property.isWritable() && property.getSchema() instanceof CompositeSchema) { // Adds a void $propName(Closure<?> cl) method that delegates to model state MethodVisitor methodVisitor = declareMethod( visitor, property.getName(), Type.getMethodDescriptor(Type.VOID_TYPE, CLOSURE_TYPE), null); putStateFieldValueOnStack(methodVisitor, generatedType); putConstantOnStack(methodVisitor, property.getName()); putFirstMethodArgumentOnStack(methodVisitor); methodVisitor.visitMethodInsn( INVOKEINTERFACE, MODEL_ELEMENT_STATE_TYPE_INTERNAL_NAME, "apply", STATE_APPLY_METHOD_DESCRIPTOR, true); finishVisitingMethod(methodVisitor); return; } if (!property.isWritable() && property.getSchema() instanceof UnmanagedImplStructSchema) { UnmanagedImplStructSchema<?> structSchema = (UnmanagedImplStructSchema<?>) property.getSchema(); if (!structSchema.isAnnotated()) { return; } // Adds a void $propName(Closure<?> cl) method that executes the closure MethodVisitor methodVisitor = declareMethod( visitor, property.getName(), Type.getMethodDescriptor(Type.VOID_TYPE, CLOSURE_TYPE), null); putThisOnStack(methodVisitor); methodVisitor.visitMethodInsn( INVOKEVIRTUAL, generatedType.getInternalName(), property.getGetters().get(0).getName(), Type.getMethodDescriptor(Type.getType(property.getType().getConcreteClass())), false); putFirstMethodArgumentOnStack(methodVisitor); methodVisitor.visitMethodInsn( INVOKESTATIC, Type.getInternalName(ClosureBackedAction.class), "execute", Type.getMethodDescriptor(Type.VOID_TYPE, OBJECT_TYPE, CLOSURE_TYPE), false); finishVisitingMethod(methodVisitor); return; } // Adds a void $propName(Closure<?> cl) method that throws MME, to avoid attempts to convert // closure to something else MethodVisitor methodVisitor = declareMethod( visitor, property.getName(), Type.getMethodDescriptor(Type.VOID_TYPE, CLOSURE_TYPE), null); putThisOnStack(methodVisitor); putConstantOnStack(methodVisitor, property.getName()); methodVisitor.visitInsn(Opcodes.ICONST_1); methodVisitor.visitTypeInsn(Opcodes.ANEWARRAY, OBJECT_TYPE.getInternalName()); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitInsn(Opcodes.ICONST_0); putFirstMethodArgumentOnStack(methodVisitor); methodVisitor.visitInsn(Opcodes.AASTORE); methodVisitor.visitMethodInsn( INVOKEVIRTUAL, generatedType.getInternalName(), "methodMissing", METHOD_MISSING_METHOD_DESCRIPTOR, false); finishVisitingMethod(methodVisitor); }