--- /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;
+
+import org.eclipse.jdt.core.compiler.CharOperation;
+
+/*
+ * Not all fields defined by this type (& its subclasses) are initialized when it is created.
+ * Some are initialized only when needed.
+ *
+ * Accessors have been provided for some public fields so all TypeBindings have the same API...
+ * but access public fields directly whenever possible.
+ * Non-public fields have accessors which should be used everywhere you expect the field to be initialized.
+ *
+ * null is NOT a valid value for a non-public field... it just means the field is not initialized.
+ */
+abstract public class TypeBinding extends Binding implements BaseTypes, TagBits, TypeConstants, TypeIds {
+ public int id = NoId;
+ public int tagBits = 0; // See values in the interface TagBits below
+/* API
+ * Answer the receiver's binding type from Binding.BindingID.
+ */
+
+public final int bindingType() {
+ return TYPE;
+}
+/* Answer true if the receiver can be instantiated
+ */
+public boolean canBeInstantiated() {
+ return !isBaseType();
+}
+/**
+ * Answer the receiver's constant pool name.
+ * NOTE: This method should only be used during/after code gen.
+ * e.g. 'java/lang/Object'
+ */
+public abstract char[] constantPoolName();
+
+String debugName() {
+ return new String(readableName());
+}
+/*
+ * Answer the receiver's dimensions - 0 for non-array types
+ */
+public int dimensions(){
+ return 0;
+}
+public abstract PackageBinding getPackage();
+/* Answer true if the receiver is an array
+*/
+
+public final boolean isArrayType() {
+ return (tagBits & IsArrayType) != 0;
+}
+/* Answer true if the receiver is a base type
+*/
+
+public final boolean isBaseType() {
+ return (tagBits & IsBaseType) != 0;
+}
+public boolean isClass() {
+ return false;
+}
+/* Answer true if the receiver type can be assigned to the argument type (right)
+*/
+
+public abstract boolean isCompatibleWith(TypeBinding right);
+/* Answer true if the receiver's hierarchy has problems (always false for arrays & base types)
+*/
+
+public final boolean isHierarchyInconsistent() {
+ return (tagBits & HierarchyHasProblems) != 0;
+}
+public boolean isInterface() {
+ return false;
+}
+public final boolean isNumericType() {
+ switch (id) {
+ case T_int :
+ case T_float :
+ case T_double :
+ case T_short :
+ case T_byte :
+ case T_long :
+ case T_char :
+ return true;
+ default :
+ return false;
+ }
+}
+
+public TypeBinding leafComponentType(){
+ return this;
+}
+
+/**
+ * Answer the qualified name of the receiver's package separated by periods
+ * or an empty string if its the default package.
+ *
+ * For example, {java.util.Hashtable}.
+ */
+
+public char[] qualifiedPackageName() {
+ PackageBinding packageBinding = getPackage();
+ return packageBinding == null || packageBinding.compoundName == CharOperation.NO_CHAR_CHAR
+ ? CharOperation.NO_CHAR
+ : packageBinding.readableName();
+}
+/**
+* Answer the source name for the type.
+* In the case of member types, as the qualified name from its top level type.
+* For example, for a member type N defined inside M & A: "A.M.N".
+*/
+
+public abstract char[] qualifiedSourceName();
+/* Answer the receiver's signature.
+*
+* Arrays & base types do not distinguish between signature() & constantPoolName().
+*
+* NOTE: This method should only be used during/after code gen.
+*/
+
+public char[] signature() {
+ return constantPoolName();
+}
+public abstract char[] sourceName();
+
+/**
+ * Match a well-known type id to its binding
+ */
+public static final TypeBinding wellKnownType(Scope scope, int id) {
+ switch (id) {
+ case T_boolean :
+ return BooleanBinding;
+ case T_byte :
+ return ByteBinding;
+ case T_char :
+ return CharBinding;
+ case T_short :
+ return ShortBinding;
+ case T_double :
+ return DoubleBinding;
+ case T_float :
+ return FloatBinding;
+ case T_int :
+ return IntBinding;
+ case T_long :
+ return LongBinding;
+ case T_Object :
+ return scope.getJavaLangObject();
+ case T_String :
+ return scope.getJavaLangString();
+ default :
+ return null;
+ }
+ }
+}
projects / org.ibex.tool.git / blobdiff