--- /dev/null
+/*******************************************************************************
+ * 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 + ")"; //$NON-NLS-1$ //$NON-NLS-2$
+ }
+}