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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) 2000, 2010 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.aspectj.org.eclipse.jdt.internal.compiler.ast;

import org.aspectj.org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.Constant;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.*;

public class JavadocArgumentExpression extends Expression {
	public char[] token;
	public Argument argument;

	public JavadocArgumentExpression(char[] name, int startPos, int endPos, TypeReference typeRef) {
		this.token = name;
		this.sourceStart = startPos;
		this.sourceEnd = endPos;
		long pos = (((long) startPos) << 32) + endPos;
		this.argument = new Argument(name, pos, typeRef, ClassFileConstants.AccDefault);
		this.bits |= InsideJavadoc;
	}

	/*
	 * Resolves type on a Block or Class scope.
	 */
	private TypeBinding internalResolveType(Scope scope) {
		this.constant = Constant.NotAConstant;
		if (this.resolvedType != null) // is a shared type reference which was already resolved
			return this.resolvedType.isValidBinding() ? this.resolvedType : null; // already reported error

		if (this.argument != null) {
			TypeReference typeRef = this.argument.type;
			if (typeRef != null) {
				this.resolvedType = typeRef.getTypeBinding(scope);
				typeRef.resolvedType = this.resolvedType;
				// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=195374
				// reproduce javadoc 1.3.1 / 1.4.2 behavior
				if (this.resolvedType == null) {
					return null;
				}
				if (typeRef instanceof SingleTypeReference &&
						this.resolvedType.leafComponentType().enclosingType() != null &&
						scope.compilerOptions().complianceLevel <= ClassFileConstants.JDK1_4) {
					scope.problemReporter().javadocInvalidMemberTypeQualification(this.sourceStart, this.sourceEnd, scope.getDeclarationModifiers());
					// https://bugs.eclipse.org/bugs/show_bug.cgi?id=228648
					// do not return now but report unresolved reference as expected depending on compliance settings
				} else if (typeRef instanceof QualifiedTypeReference) {
					TypeBinding enclosingType = this.resolvedType.leafComponentType().enclosingType();
					if (enclosingType != null) {
						// https://bugs.eclipse.org/bugs/show_bug.cgi?id=233187
						// inner type references should be fully qualified
						int compoundLength = 2;
						while ((enclosingType = enclosingType.enclosingType()) != null) compoundLength++;
						int typeNameLength = typeRef.getTypeName().length;
						if (typeNameLength != compoundLength && typeNameLength != (compoundLength+this.resolvedType.getPackage().compoundName.length)) {
							scope.problemReporter().javadocInvalidMemberTypeQualification(typeRef.sourceStart, typeRef.sourceEnd, scope.getDeclarationModifiers());
						}
					}
				}
				if (!this.resolvedType.isValidBinding()) {
					scope.problemReporter().javadocInvalidType(typeRef, this.resolvedType, scope.getDeclarationModifiers());
					return null;
				}
				if (isTypeUseDeprecated(this.resolvedType, scope)) {
					scope.problemReporter().javadocDeprecatedType(this.resolvedType, typeRef, scope.getDeclarationModifiers());
				}
				return this.resolvedType = scope.environment().convertToRawType(this.resolvedType,  true /*force the conversion of enclosing types*/);
			}
		}
		return null;
	}

	@Override
	public StringBuffer printExpression(int indent, StringBuffer output) {
		if (this.argument == null) {
			if (this.token != null) {
				output.append(this.token);
			}
		}
		else {
			this.argument.print(indent, output);
		}
		return output;
	}

	@Override
	public void resolve(BlockScope scope) {
		if (this.argument != null) {
			this.argument.resolve(scope);
		}
	}

	@Override
	public TypeBinding resolveType(BlockScope scope) {
		return internalResolveType(scope);
	}

	@Override
	public TypeBinding resolveType(ClassScope scope) {
		return internalResolveType(scope);
	}

	/* (non-Javadoc)
	 * Redefine to capture javadoc specific signatures
	 * @see org.eclipse.jdt.internal.compiler.ast.ASTNode#traverse(org.aspectj.org.eclipse.jdt.internal.compiler.ASTVisitor, org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BlockScope)
	 */
	@Override
	public void traverse(ASTVisitor visitor, BlockScope blockScope) {
		if (visitor.visit(this, blockScope)) {
			if (this.argument != null) {
				this.argument.traverse(visitor, blockScope);
			}
		}
		visitor.endVisit(this, blockScope);
	}
	@Override
	public void traverse(ASTVisitor visitor, ClassScope blockScope) {
		if (visitor.visit(this, blockScope)) {
			if (this.argument != null) {
				this.argument.traverse(visitor, blockScope);
			}
		}
		visitor.endVisit(this, blockScope);
	}
}