+++ /dev/null
-/*******************************************************************************
- * 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 net.sourceforge.phpeclipse.internal.compiler.ast;
-
-import net.sourceforge.phpdt.core.compiler.CharOperation;
-import net.sourceforge.phpdt.internal.compiler.ASTVisitor;
-import net.sourceforge.phpdt.internal.compiler.CompilationResult;
-import net.sourceforge.phpdt.internal.compiler.flow.ExceptionHandlingFlowContext;
-import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
-import net.sourceforge.phpdt.internal.compiler.flow.InitializationFlowContext;
-import net.sourceforge.phpdt.internal.compiler.lookup.ClassScope;
-import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
-import net.sourceforge.phpdt.internal.compiler.parser.UnitParser;
-import net.sourceforge.phpdt.internal.compiler.problem.AbortMethod;
-
-public class MethodDeclaration extends AbstractMethodDeclaration {
-
- public TypeReference returnType;
- public static final int FUNCTION_DEFINITION = 1;
- public static final int METHOD_DEFINITION = 2;
- public int type;
-
- /**
- * MethodDeclaration constructor comment.
- */
- public MethodDeclaration(CompilationResult compilationResult) {
- super(compilationResult);
- }
-
- public void analyseCode(ClassScope classScope, InitializationFlowContext initializationContext, FlowInfo flowInfo) {
-
- // starting of the code analysis for methods
- if (ignoreFurtherInvestigation)
- return;
- try {
- if (binding == null)
- return;
-
- if (this.binding.isPrivate() && !this.binding.isPrivateUsed()) {
- if (!classScope.referenceCompilationUnit().compilationResult.hasSyntaxError()) {
- scope.problemReporter().unusedPrivateMethod(this);
- }
- }
-
- // may be in a non necessary <clinit> for innerclass with static final constant fields
- if (binding.isAbstract()) // || binding.isNative())
- return;
-
- ExceptionHandlingFlowContext methodContext =
- new ExceptionHandlingFlowContext(initializationContext, this, binding.thrownExceptions, scope, FlowInfo.DEAD_END);
-
- // propagate to statements
- if (statements != null) {
- boolean didAlreadyComplain = false;
- for (int i = 0, count = statements.length; i < count; i++) {
- Statement stat;
- if (!flowInfo.complainIfUnreachable((stat = statements[i]), scope, didAlreadyComplain)) {
- flowInfo = stat.analyseCode(scope, methodContext, flowInfo);
- } else {
- didAlreadyComplain = true;
- }
- }
- }
- // check for missing returning path
- TypeBinding returnType = binding.returnType;
- if ((returnType == VoidBinding) || isAbstract()) {
- this.needFreeReturn = flowInfo.isReachable();
- } else {
- if (flowInfo != FlowInfo.DEAD_END) {
- scope.problemReporter().shouldReturn(returnType, this);
- }
- }
- } catch (AbortMethod e) {
- this.ignoreFurtherInvestigation = true;
- }
- }
-
- public void parseStatements(UnitParser parser, CompilationUnitDeclaration unit) {
-
- //fill up the method body with statement
- if (ignoreFurtherInvestigation)
- return;
- parser.parse(this, unit);
- }
-
- public void resolveStatements() {
-
- // ========= abort on fatal error =============
- if (this.returnType != null && this.binding != null) {
- this.returnType.resolvedType = this.binding.returnType;
- // record the return type binding
- }
- // look if the name of the method is correct
- if (binding != null && isTypeUseDeprecated(binding.returnType, scope))
- scope.problemReporter().deprecatedType(binding.returnType, returnType);
-
- if (scope != null) {
- if (CharOperation.equals(scope.enclosingSourceType().sourceName, selector))
- scope.problemReporter().methodWithConstructorName(this);
-
- // by grammatical construction, interface methods are always abstract
- if (!scope.enclosingSourceType().isInterface()) {
-
- // if a method has an semicolon body and is not declared as abstract==>error
- // native methods may have a semicolon body
- // if ((modifiers & AccSemicolonBody) != 0) {
- // if ((modifiers & AccNative) == 0)
- // if ((modifiers & AccAbstract) == 0)
- // scope.problemReporter().methodNeedingAbstractModifier(this);
- // } else {
- // // the method HAS a body --> abstract native modifiers are forbiden
- // if (((modifiers & AccNative) != 0) || ((modifiers & AccAbstract) != 0))
- // scope.problemReporter().methodNeedingNoBody(this);
- // }
- }
- }
- super.resolveStatements();
- }
-
- public String returnTypeToString(int tab) {
-
- if (returnType == null)
- return ""; //$NON-NLS-1$
- return returnType.toString(tab) + " "; //$NON-NLS-1$
- }
-
- public void traverse(ASTVisitor visitor, ClassScope classScope) {
-
- if (visitor.visit(this, classScope)) {
- if (returnType != null)
- returnType.traverse(visitor, scope);
- if (arguments != null) {
- int argumentLength = arguments.length;
- for (int i = 0; i < argumentLength; i++)
- arguments[i].traverse(visitor, scope);
- }
- if (thrownExceptions != null) {
- int thrownExceptionsLength = thrownExceptions.length;
- for (int i = 0; i < thrownExceptionsLength; i++)
- thrownExceptions[i].traverse(visitor, scope);
- }
- if (statements != null) {
- int statementsLength = statements.length;
- for (int i = 0; i < statementsLength; i++)
- statements[i].traverse(visitor, scope);
- }
- }
- visitor.endVisit(this, classScope);
- }
-}