X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Feclipse%2Fjdt%2Finternal%2Fcompiler%2Flookup%2FTypeBinding.java;fp=src%2Forg%2Feclipse%2Fjdt%2Finternal%2Fcompiler%2Flookup%2FTypeBinding.java;h=c6cd627c2f1bdfde4b0b0e2499116f4d16fc9e61;hb=040fa5af2cd00017cf3575950cdaade34a6d7f6c;hp=0000000000000000000000000000000000000000;hpb=a580fb8376d315d05e4d6bfdff9ff1101a151cd6;p=org.ibex.tool.git

diff --git a/src/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java b/src/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java
new file mode 100644
index 0000000..c6cd627
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java
@@ -0,0 +1,165 @@
+/*******************************************************************************
+ * 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;
+		}
+	}
+}