// Copyright 2016 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.android.resources;
import java.io.IOException;
import java.io.Writer;
import java.util.Collection;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.commons.InstructionAdapter;
/**
* Represents a field and its initializer (where initialization is either part of the field
* definition, or done via code in the static clinit function).
*/
public interface FieldInitializer extends Comparable<FieldInitializer> {
/**
* Write the bytecode for the field definition.
*
* @return true if the initializer is deferred to clinit code.
*/
boolean writeFieldDefinition(ClassWriter cw, int accessLevel, boolean isFinal);
/**
* Write the bytecode for the clinit portion of initializer.
*
* @return the number of stack slots needed for the code.
*/
int writeCLInit(InstructionAdapter insts, String className);
/** Write the source code for the initializer to the given writer. */
void writeInitSource(Writer writer, boolean finalFields) throws IOException;
/** Tests if the field's name is in the provided collection. */
boolean nameIsIn(Collection<String> fieldNames);
/** Adds fieldName to the provided set. */
void addTo(Collection<String> fieldNames);
}