totally new file layout
[org.ibex.tool.git] / repo / org.ibex.tool / src / org / eclipse / jdt / internal / compiler / lookup / BaseTypeBinding.java
diff --git a/repo/org.ibex.tool/src/org/eclipse/jdt/internal/compiler/lookup/BaseTypeBinding.java b/repo/org.ibex.tool/src/org/eclipse/jdt/internal/compiler/lookup/BaseTypeBinding.java
new file mode 100644 (file)
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@@ -0,0 +1,186 @@
+/*******************************************************************************
+ * 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 + ")"; //$NON-NLS-1$ //$NON-NLS-2$
+       }
+}