| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.internal.compiler.ast; |
| |
| import org.eclipse.wst.jsdt.core.ast.IASTNode; |
| import org.eclipse.wst.jsdt.core.ast.ITypeReference; |
| import org.eclipse.wst.jsdt.core.compiler.CharOperation; |
| import org.eclipse.wst.jsdt.internal.compiler.ASTVisitor; |
| import org.eclipse.wst.jsdt.internal.compiler.flow.FlowContext; |
| import org.eclipse.wst.jsdt.internal.compiler.flow.FlowInfo; |
| import org.eclipse.wst.jsdt.internal.compiler.impl.Constant; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.BlockScope; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ClassScope; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ReferenceBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.Scope; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeIds; |
| /** |
| * |
| *@deprecated |
| */ |
| public abstract class TypeReference extends Expression implements ITypeReference { |
| |
| public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) { |
| return flowInfo; |
| } |
| |
| // allows us to trap completion & selection nodes |
| public void aboutToResolve(Scope scope) { |
| // default implementation: do nothing |
| } |
| /* |
| * Answer a base type reference (can be an array of base type). |
| */ |
| public static final TypeReference baseTypeReference(int baseType, int dim) { |
| |
| if (dim == 0) { |
| switch (baseType) { |
| case (TypeIds.T_void) : |
| return new SingleTypeReference(TypeBinding.VOID.simpleName, 0); |
| case (TypeIds.T_boolean) : |
| return new SingleTypeReference(TypeBinding.BOOLEAN.simpleName, 0); |
| case (TypeIds.T_char) : |
| return new SingleTypeReference(TypeBinding.CHAR.simpleName, 0); |
| case (TypeIds.T_float) : |
| return new SingleTypeReference(TypeBinding.FLOAT.simpleName, 0); |
| case (TypeIds.T_double) : |
| return new SingleTypeReference(TypeBinding.DOUBLE.simpleName, 0); |
| case (TypeIds.T_short) : |
| return new SingleTypeReference(TypeBinding.SHORT.simpleName, 0); |
| case (TypeIds.T_int) : |
| return new SingleTypeReference(TypeBinding.INT.simpleName, 0); |
| default : //T_long |
| return new SingleTypeReference(TypeBinding.LONG.simpleName, 0); |
| } |
| } |
| switch (baseType) { |
| case (TypeIds.T_void) : |
| return new ArrayTypeReference(TypeBinding.VOID.simpleName, dim, 0); |
| case (TypeIds.T_boolean) : |
| return new ArrayTypeReference(TypeBinding.BOOLEAN.simpleName, dim, 0); |
| case (TypeIds.T_char) : |
| return new ArrayTypeReference(TypeBinding.CHAR.simpleName, dim, 0); |
| case (TypeIds.T_float) : |
| return new ArrayTypeReference(TypeBinding.FLOAT.simpleName, dim, 0); |
| case (TypeIds.T_double) : |
| return new ArrayTypeReference(TypeBinding.DOUBLE.simpleName, dim, 0); |
| case (TypeIds.T_short) : |
| return new ArrayTypeReference(TypeBinding.SHORT.simpleName, dim, 0); |
| case (TypeIds.T_int) : |
| return new ArrayTypeReference(TypeBinding.INT.simpleName, dim, 0); |
| default : //T_long |
| return new ArrayTypeReference(TypeBinding.LONG.simpleName, dim, 0); |
| } |
| } |
| |
| public abstract TypeReference copyDims(int dim); |
| public int dimensions() { |
| return 0; |
| } |
| |
| public abstract char[] getLastToken(); |
| |
| protected abstract TypeBinding getTypeBinding(Scope scope); |
| /** |
| * @return char[][] |
| */ |
| public abstract char [][] getTypeName() ; |
| |
| public char[] getSimpleTypeName() |
| { |
| char[][] typeName = getTypeName(); |
| return typeName[typeName.length-1]; |
| } |
| |
| public char[] getFullTypeName() { |
| char[][] typeName = getTypeName(); |
| return CharOperation.concatWith(typeName, '.'); |
| } |
| |
| public boolean isTypeReference() { |
| return true; |
| } |
| public TypeBinding resolveSuperType(ClassScope scope) { |
| // assumes the implementation of resolveType(ClassScope) will call back to detect cycles |
| if (resolveType(scope) == null) return null; |
| |
| return this.resolvedType; |
| } |
| |
| public final TypeBinding resolveType(BlockScope blockScope) { |
| return resolveType(blockScope, true /* checkbounds if any */); |
| } |
| |
| public TypeBinding resolveType(BlockScope scope, boolean checkBounds) { |
| // handle the error here |
| 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 |
| |
| TypeBinding type = this.resolvedType = getTypeBinding(scope); |
| if (type == null) |
| return null; // detected cycle while resolving hierarchy |
| if (!type.isValidBinding()) { |
| reportInvalidType(scope); |
| return null; |
| } |
| |
| if (isTypeUseDeprecated(type, scope)) |
| reportDeprecatedType(type, scope); |
| |
| return this.resolvedType = type; |
| } |
| public TypeBinding resolveType(ClassScope scope) { |
| // handle the error here |
| 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 |
| |
| TypeBinding type = this.resolvedType = getTypeBinding(scope); |
| if (type == null) |
| return null; // detected cycle while resolving hierarchy |
| if (!type.isValidBinding()) { |
| reportInvalidType(scope); |
| return null; |
| } |
| if (isTypeUseDeprecated(type, scope)) |
| reportDeprecatedType(type, scope); |
| |
| return this.resolvedType = type; |
| } |
| |
| public TypeBinding resolveTypeArgument(BlockScope blockScope, ReferenceBinding genericType, int rank) { |
| return resolveType(blockScope, true /* check bounds*/); |
| } |
| |
| public TypeBinding resolveTypeArgument(ClassScope classScope, ReferenceBinding genericType, int rank) { |
| return resolveType(classScope); |
| } |
| |
| protected void reportInvalidType(Scope scope) { |
| scope.problemReporter().invalidType(this, this.resolvedType); |
| } |
| protected void reportDeprecatedType(TypeBinding type, Scope scope) { |
| scope.problemReporter().deprecatedType(type, this); |
| } |
| public abstract void traverse(ASTVisitor visitor, BlockScope scope); |
| public abstract void traverse(ASTVisitor visitor, ClassScope scope); |
| |
| public int getASTType() { |
| return IASTNode.TYPE_REFERENCE; |
| |
| } |
| } |