content: /*
   * Copyright (C) 2020 ActiveJ LLC.
   *
   * 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 io.activej.codegen.expression.impl;
  
  import io.activej.codegen.Context;
  import io.activej.codegen.expression.Expression;
  import io.activej.codegen.expression.StoreDef;
  import io.activej.common.annotation.ExposedInternals;
  import org.objectweb.asm.Type;
  
  import static io.activej.codegen.util.TypeChecks.checkType;
  import static io.activej.codegen.util.TypeChecks.isAssignable;
  
  /**
   * Defines methods which allow setting fields
   */
  @ExposedInternals
  public final class Set implements Expression {
  	public final StoreDef to;
  	public final Expression from;
  
  	public Set(StoreDef to, Expression from) {
  		this.to = to;
  		this.from = from;
  	}
  
  	@Override
  	public Type load(Context ctx) {
  		Object storeContext = to.beginStore(ctx);
  		Type type = from.load(ctx);
  		checkType(type, isAssignable());
  
  		to.store(ctx, storeContext, type);
  		return Type.VOID_TYPE;
  	}
  }
  