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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/* *******************************************************************
 * Copyright (c) 2010 Contributors
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     Andy Clement - SpringSource
 * ******************************************************************/
package org.aspectj.ajdt.internal.compiler;

import java.lang.reflect.Modifier;

import org.aspectj.ajdt.internal.compiler.ast.InterTypeMethodDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeParameter;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodScope;

/**
 * Prints the declaration for an intertype declared method.
 *
 * @author Andy Clement
 */
class ITDMethodPrinter extends CommonPrinter {
	private InterTypeMethodDeclaration methodDeclaration;

	ITDMethodPrinter(InterTypeMethodDeclaration methodDeclaration, MethodScope methodscope) {
		super(methodscope);
		output = new StringBuilder();
		this.methodDeclaration = methodDeclaration;
		this.declaration = methodDeclaration;
	}

	public String print() {
		return print(2);
	}

	public StringBuilder printReturnType(int indent) {
		if (methodDeclaration.returnType == null) {
			return output;
		}
		return printExpression(methodDeclaration.returnType).append(' ');
	}

	public String print(int tab) {
		this.output = new StringBuilder();

		if (methodDeclaration.javadoc != null) {
			// TODO javadoc support...
			// md.javadoc.print(tab, output);
		}
		printIndent(tab);
		if (methodDeclaration.annotations != null) {
			printAnnotations(methodDeclaration.annotations);
		}
		printModifiers(methodDeclaration.declaredModifiers); // not md.modifiers

		TypeParameter[] typeParams = methodDeclaration.typeParameters();
		if (typeParams != null) {
			output.append('<');
			int max = typeParams.length - 1;
			for (int j = 0; j < max; j++) {
				printTypeParameter(typeParams[j]);
				output.append(", ");//$NON-NLS-1$
			}
			printTypeParameter(typeParams[max]);
			output.append("> ");
		}

		printReturnType(0).append(methodDeclaration.getDeclaredSelector()).append('(');
		if (methodDeclaration.arguments != null) {
			for (int i = Modifier.isStatic(methodDeclaration.declaredModifiers) ? 0 : 1; i < methodDeclaration.arguments.length; i++) {

				printArgument(methodDeclaration.arguments[i]);
				if ((i + 1) < methodDeclaration.arguments.length) {
					output.append(", "); //$NON-NLS-1$
				}
			}
		}
		output.append(')');

		if (methodDeclaration.thrownExceptions != null) {
			output.append(" throws "); //$NON-NLS-1$
			for (int i = 0; i < methodDeclaration.thrownExceptions.length; i++) {
				if (i > 0) {
					output.append(", "); //$NON-NLS-1$
				}
				printTypeReference(methodDeclaration.thrownExceptions[i]);
			}
		}
		printBody(tab + 1);
		return output.toString();
	}
}