| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.ast; |
| |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| |
| /** |
| * Node representing a structured Javadoc comment |
| */ |
| public class Javadoc extends AstNode { |
| |
| public JavadocSingleNameReference[] parameters; // @param |
| public TypeReference[] thrownExceptions; // @throws, @exception |
| public JavadocReturnStatement returnStatement; // @return |
| public Expression[] references; // @see |
| public Javadoc(int sourceStart, int sourceEnd) { |
| this.sourceStart = sourceStart; |
| this.sourceEnd = sourceEnd; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.compiler.ast.AstNode#print(int, java.lang.StringBuffer) |
| */ |
| public StringBuffer print(int indent, StringBuffer output) { |
| printIndent(indent, output).append("/**\n"); //$NON-NLS-1$ |
| if (this.parameters != null) { |
| for (int i = 0, length = this.parameters.length; i < length; i++) { |
| printIndent(indent + 1, output).append(" * @param "); //$NON-NLS-1$ |
| this.parameters[i].print(indent, output).append('\n'); |
| } |
| } |
| if (this.returnStatement != null) { |
| printIndent(indent + 1, output).append(" * @return\n"); //$NON-NLS-1$ |
| } |
| if (this.thrownExceptions != null) { |
| for (int i = 0, length = this.thrownExceptions.length; i < length; i++) { |
| printIndent(indent + 1, output).append(" * @throws "); //$NON-NLS-1$ |
| this.thrownExceptions[i].print(indent, output).append('\n'); |
| } |
| } |
| if (this.references != null) { |
| for (int i = 0, length = this.references.length; i < length; i++) { |
| printIndent(indent + 1, output).append(" * @see"); //$NON-NLS-1$ |
| this.references[i].print(indent, output).append('\n'); |
| } |
| } |
| printIndent(indent, output).append(" */\n"); //$NON-NLS-1$ |
| return output; |
| } |
| |
| /* |
| * Resolve type javadoc while a class scope |
| */ |
| public void resolve(ClassScope classScope) { |
| |
| // @param tags |
| int paramTagsSize = parameters == null ? 0 : parameters.length; |
| for (int i = 0; i < paramTagsSize; i++) { |
| JavadocSingleNameReference param = parameters[i]; |
| classScope.problemReporter().javadocUnexpectedTag(param.tagSourceStart, param.tagSourceEnd); |
| } |
| |
| // @return tags |
| if (this.returnStatement != null) { |
| classScope.problemReporter().javadocUnexpectedTag(this.returnStatement.sourceStart, this.returnStatement.sourceEnd); |
| } |
| |
| // @throws/@exception tags |
| int throwsTagsNbre = thrownExceptions == null ? 0 : thrownExceptions.length; |
| for (int i = 0; i < throwsTagsNbre; i++) { |
| TypeReference typeRef = thrownExceptions[i]; |
| int start, end; |
| if (typeRef instanceof JavadocSingleTypeReference) { |
| JavadocSingleTypeReference singleRef = (JavadocSingleTypeReference) typeRef; |
| start = singleRef.tagSourceStart; |
| end = singleRef.tagSourceEnd; |
| } else if (typeRef instanceof JavadocQualifiedTypeReference) { |
| JavadocQualifiedTypeReference qualifiedRef = (JavadocQualifiedTypeReference) typeRef; |
| start = qualifiedRef.tagSourceStart; |
| end = qualifiedRef.tagSourceEnd; |
| } else { |
| start = typeRef.sourceStart; |
| end = typeRef.sourceEnd; |
| } |
| classScope.problemReporter().javadocUnexpectedTag(start, end); |
| } |
| |
| // @see tags |
| int seeTagsNbre = references == null ? 0 : references.length; |
| for (int i = 0; i < seeTagsNbre; i++) { |
| references[i].resolveType(classScope); |
| } |
| } |
| |
| /* |
| * Resolve method javadoc while a method scope |
| */ |
| public void resolve(MethodScope methScope) { |
| |
| // @param tags |
| resolveParamTags(methScope); |
| |
| // @return tags |
| if (this.returnStatement == null) { |
| AbstractMethodDeclaration md = methScope.referenceMethod(); |
| if (!md.isConstructor() && !md.isClinit()) { |
| MethodDeclaration meth = (MethodDeclaration) md; |
| if (meth.binding.returnType != VoidBinding) { |
| // method with return should have @return tag |
| //int end = md.sourceStart + md.selector.length - 1; |
| methScope.problemReporter().javadocInvalidReturnTag(meth.returnType.sourceStart, meth.returnType.sourceEnd, true); |
| } |
| } |
| } else { |
| this.returnStatement.resolve(methScope); |
| } |
| |
| // @throws/@exception tags |
| resolveThrowsTags(methScope); |
| |
| // @see tags |
| int seeTagsNbre = references == null ? 0 : references.length; |
| for (int i = 0; i < seeTagsNbre; i++) { |
| references[i].resolveType(methScope); |
| } |
| } |
| |
| /* |
| * Resolve @param tags while method scope |
| */ |
| private void resolveParamTags(MethodScope methScope) { |
| AbstractMethodDeclaration md = methScope.referenceMethod(); |
| int paramTagsSize = parameters == null ? 0 : parameters.length; |
| int argumentsSize = md.arguments == null ? 0 : md.arguments.length; |
| |
| // If no param tags then report a problem for each method argument |
| if (paramTagsSize == 0) { |
| for (int i = 0; i < argumentsSize; i++) { |
| Argument arg = md.arguments[i]; |
| methScope.problemReporter().javadocMissingParamTag(arg); |
| } |
| } else { |
| LocalVariableBinding[] bindings = new LocalVariableBinding[paramTagsSize]; |
| int maxBindings = 0; |
| |
| // Scan all @param tags |
| for (int i = 0; i < paramTagsSize; i++) { |
| JavadocSingleNameReference param = parameters[i]; |
| param.resolve(methScope); |
| if (param.binding != null) { |
| // Verify duplicated tags |
| boolean found = false; |
| for (int j = 0; j < maxBindings && !found; j++) { |
| if (bindings[j] == param.binding) { |
| methScope.problemReporter().javadocInvalidParamName(param, true); |
| found = true; |
| } |
| } |
| if (!found) { |
| bindings[maxBindings++] = (LocalVariableBinding) param.binding; |
| } |
| } |
| } |
| |
| // Look for undocumented arguments |
| for (int i = 0; i < argumentsSize; i++) { |
| Argument arg = md.arguments[i]; |
| boolean found = false; |
| for (int j = 0; j < maxBindings && !found; j++) { |
| LocalVariableBinding binding = bindings[j]; |
| if (arg.binding == binding) { |
| found = true; |
| } |
| } |
| if (!found) { |
| methScope.problemReporter().javadocMissingParamTag(arg); |
| } |
| } |
| } |
| } |
| |
| /* |
| * Resolve @throws/@exception tags while method scope |
| */ |
| private void resolveThrowsTags(MethodScope methScope) { |
| AbstractMethodDeclaration md = methScope.referenceMethod(); |
| int throwsTagsNbre = thrownExceptions == null ? 0 : thrownExceptions.length; |
| int thrownExceptionSize = md.thrownExceptions == null ? 0 : md.thrownExceptions.length; |
| |
| // If no throws tags then report a problem for each method thrown exception |
| if (throwsTagsNbre == 0) { |
| for (int i = 0; i < thrownExceptionSize; i++) { |
| TypeReference typeRef = md.thrownExceptions[i]; |
| if (typeRef.resolvedType != null) { // flag only valid class name |
| methScope.problemReporter().javadocMissingThrowsTag(typeRef); |
| } |
| } |
| } else { |
| int maxRef = 0; |
| TypeReference[] typeReferences = new TypeReference[throwsTagsNbre]; |
| |
| // Scan all @throws tags |
| for (int i = 0; i < throwsTagsNbre; i++) { |
| TypeReference typeRef = thrownExceptions[i]; |
| typeRef.resolve(methScope); |
| TypeBinding typeBinding = typeRef.resolvedType; |
| |
| if (typeBinding.isValidBinding() && typeBinding.isClass()) { |
| // Verify duplicated tags |
| boolean found = false; |
| for (int j = 0; j < maxRef && !found; j++) { |
| if (typeReferences[j].resolvedType == typeBinding) { |
| methScope.problemReporter().javadocInvalidThrowsClassName(typeRef, true); |
| found = true; |
| } |
| } |
| if (!found) { |
| typeReferences[maxRef++] = typeRef; |
| } |
| } |
| } |
| |
| // Look for undocumented thrown exception |
| for (int i = 0; i < thrownExceptionSize; i++) { |
| TypeReference exception = md.thrownExceptions[i]; |
| boolean found = false; |
| for (int j = 0; j < maxRef && !found; j++) { |
| if (typeReferences[j] != null) { |
| TypeBinding typeBinding = typeReferences[j].resolvedType; |
| if (exception.resolvedType == typeBinding) { |
| found = true; |
| typeReferences[j] = null; |
| } |
| } |
| } |
| if (!found) { |
| if (exception.resolvedType != null) { // flag only valid class name |
| methScope.problemReporter().javadocMissingThrowsTag(exception); |
| } |
| } |
| } |
| |
| // Verify that additional @throws tags are unchecked exception |
| for (int i = 0; i < maxRef; i++) { |
| TypeReference typeRef = typeReferences[i]; |
| if (typeRef != null) { |
| if (!typeRef.resolvedType.isCompatibleWith(methScope.getJavaLangRuntimeException()) |
| && !typeRef.resolvedType.isCompatibleWith(methScope.getJavaLangError())) { |
| methScope.problemReporter().javadocInvalidThrowsClassName(typeRef, false); |
| } |
| } |
| } |
| } |
| } |
| } |