Copyright (c) 2000, 2012 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2012 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;

import org.eclipse.jdt.internal.compiler.flow.FlowContext;
import org.eclipse.jdt.internal.compiler.flow.FlowInfo;
import org.eclipse.jdt.internal.compiler.impl.*;
import org.eclipse.jdt.internal.compiler.lookup.*;

public abstract class Literal extends Expression {

	public Literal(int s, int e) {

		this.sourceStart = s;
		this.sourceEnd = e;
	}

	@Override
	public FlowInfo analyseCode(
		BlockScope currentScope,
		FlowContext flowContext,
		FlowInfo flowInfo) {

		return flowInfo;
	}

	public abstract void computeConstant();

	public abstract TypeBinding literalType(BlockScope scope);

	@Override
	public StringBuffer printExpression(int indent, StringBuffer output){

		return output.append(source());
	 }

	@Override
	public TypeBinding resolveType(BlockScope scope) {
		// compute the real value, which must range its type's range
		this.resolvedType = literalType(scope);

		// in case of error, constant did remain null
		computeConstant();
		if (this.constant == null) {
			scope.problemReporter().constantOutOfRange(this, this.resolvedType);
			this.constant = Constant.NotAConstant;
		}
		return this.resolvedType;
	}

	public abstract char[] source();
}