| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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.lookup; |
| |
| public final class BaseTypeBinding extends TypeBinding { |
| |
| public char[] simpleName; |
| private char[] constantPoolName; |
| |
| BaseTypeBinding(int id, char[] name, char[] constantPoolName) { |
| |
| this.tagBits |= IsBaseType; |
| this.id = id; |
| this.simpleName = name; |
| this.constantPoolName = constantPoolName; |
| } |
| |
| /* Answer the receiver's constant pool name. |
| */ |
| public char[] constantPoolName() { |
| |
| return constantPoolName; |
| } |
| |
| public PackageBinding getPackage() { |
| |
| return null; |
| } |
| |
| /* Answer true if the receiver type can be assigned to the argument type (right) |
| */ |
| public final boolean isCompatibleWith(TypeBinding right) { |
| |
| if (this == right) |
| return true; |
| if (!right.isBaseType()) |
| return this == NullBinding; |
| |
| switch (right.id) { |
| case T_boolean : |
| case T_byte : |
| case T_char : |
| return false; |
| case T_double : |
| switch (id) { |
| case T_byte : |
| case T_char : |
| case T_short : |
| case T_int : |
| case T_long : |
| case T_float : |
| return true; |
| default : |
| return false; |
| } |
| case T_float : |
| switch (id) { |
| case T_byte : |
| case T_char : |
| case T_short : |
| case T_int : |
| case T_long : |
| return true; |
| default : |
| return false; |
| } |
| case T_long : |
| switch (id) { |
| case T_byte : |
| case T_char : |
| case T_short : |
| case T_int : |
| return true; |
| default : |
| return false; |
| } |
| case T_int : |
| switch (id) { |
| case T_byte : |
| case T_char : |
| case T_short : |
| return true; |
| default : |
| return false; |
| } |
| case T_short : |
| return (id == T_byte); |
| } |
| return false; |
| } |
| |
| public static final boolean isNarrowing(int left, int right) { |
| |
| //can "left" store a "right" using some narrowing conversion |
| //(is left smaller than right) |
| switch (left) { |
| case T_boolean : |
| return right == T_boolean; |
| case T_char : |
| case T_byte : |
| if (right == T_byte) |
| return true; |
| case T_short : |
| if (right == T_short) |
| return true; |
| if (right == T_char) |
| return true; |
| case T_int : |
| if (right == T_int) |
| return true; |
| case T_long : |
| if (right == T_long) |
| return true; |
| case T_float : |
| if (right == T_float) |
| return true; |
| case T_double : |
| if (right == T_double) |
| return true; |
| default : |
| return false; |
| } |
| } |
| |
| public static final boolean isWidening(int left, int right) { |
| |
| //can "left" store a "right" using some widening conversion |
| //(is left "bigger" than right) |
| switch (left) { |
| case T_boolean : |
| return right == T_boolean; |
| case T_char : |
| return right == T_char; |
| case T_double : |
| if (right == T_double) |
| return true; |
| case T_float : |
| if (right == T_float) |
| return true; |
| case T_long : |
| if (right == T_long) |
| return true; |
| case T_int : |
| if (right == T_int) |
| return true; |
| if (right == T_char) |
| return true; |
| case T_short : |
| if (right == T_short) |
| return true; |
| case T_byte : |
| if (right == T_byte) |
| return true; |
| default : |
| return false; |
| } |
| } |
| |
| public char[] qualifiedSourceName() { |
| return simpleName; |
| } |
| |
| public char[] readableName() { |
| return simpleName; |
| } |
| |
| public char[] shortReadableName() { |
| return simpleName; |
| } |
| |
| public char[] sourceName() { |
| return simpleName; |
| } |
| |
| public String toString() { |
| return new String(constantPoolName) + " (id=" + id + ")"; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |