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.common.annotation.ExposedInternals;
  import org.objectweb.asm.Type;
  import org.objectweb.asm.commons.GeneratorAdapter;
  
  import static io.activej.codegen.util.TypeChecks.checkType;
  import static io.activej.codegen.util.TypeChecks.isWidenedToInt;
  
  @ExposedInternals
  public final class ArrayNew implements Expression {
  	public final Class<?> type;
  	public final Expression length;
  
  	public ArrayNew(Class<?> type, Expression length) {
  		if (!type.isArray())
  			throw new IllegalArgumentException();
  		this.type = type;
  		this.length = length;
  	}
  
  	@Override
  	public Type load(Context ctx) {
  		GeneratorAdapter g = ctx.getGeneratorAdapter();
  		Type lengthType = length.load(ctx);
  		checkType(lengthType, isWidenedToInt());
  		g.newArray(Type.getType(Type.getType(type).getDescriptor().substring(1)));
  		return Type.getType(type);
  	}
  }
  