Rewritten Parser/Scanner to package net.sourceforge.phpdt.internal.compiler.parser
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / lookup / BinaryTypeBinding.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/lookup/BinaryTypeBinding.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/lookup/BinaryTypeBinding.java
deleted file mode 100644 (file)
index ee4fe85..0000000
+++ /dev/null
@@ -1,491 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v0.5 
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- ******************************************************************************/
-package net.sourceforge.phpdt.internal.compiler.lookup;
-
-import net.sourceforge.phpdt.internal.compiler.ast.ConstructorDeclaration;
-import net.sourceforge.phpdt.internal.compiler.env.IBinaryField;
-import net.sourceforge.phpdt.internal.compiler.env.IBinaryMethod;
-import net.sourceforge.phpdt.internal.compiler.env.IBinaryNestedType;
-import net.sourceforge.phpdt.internal.compiler.env.IBinaryType;
-import net.sourceforge.phpdt.internal.compiler.problem.AbortCompilation;
-import net.sourceforge.phpdt.internal.compiler.util.CharOperation;
-
-/*
-Not all fields defined by this type 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.
-*/
-
-public final class BinaryTypeBinding extends ReferenceBinding {
-       // all of these fields are ONLY guaranteed to be initialized if accessed using their public accessor method
-       private ReferenceBinding superclass;
-       private ReferenceBinding enclosingType;
-       private ReferenceBinding[] superInterfaces;
-       private FieldBinding[] fields;
-       private MethodBinding[] methods;
-       private ReferenceBinding[] memberTypes;
-
-       // For the link with the principle structure
-       private LookupEnvironment environment;
-public BinaryTypeBinding(PackageBinding packageBinding, IBinaryType binaryType, LookupEnvironment environment) {
-       this.compoundName = CharOperation.splitOn('/', binaryType.getName());
-       computeId();
-
-       this.tagBits |= IsBinaryBinding;
-       this.environment = environment;
-       this.fPackage = packageBinding;
-       this.   fileName = binaryType.getFileName();
-
-       // source name must be one name without "$".
-       char[] possibleSourceName = this.compoundName[this.compoundName.length - 1];
-       int start = CharOperation.lastIndexOf('$', possibleSourceName) + 1;
-       if (start == 0) {
-               this.sourceName = possibleSourceName;
-       } else {
-               this.sourceName = new char[possibleSourceName.length - start];
-               System.arraycopy(possibleSourceName, start, this.sourceName, 0, this.sourceName.length);
-       }
-
-       this.modifiers = binaryType.getModifiers();
-       if (binaryType.isInterface())
-               this.modifiers |= AccInterface;
-}
-
-public FieldBinding[] availableFields() {
-       FieldBinding[] availableFields = new FieldBinding[fields.length];
-       int count = 0;
-       
-       for (int i = 0; i < fields.length;i++) {
-               try {
-                       availableFields[count] = resolveTypeFor(fields[i]);
-                       count++;
-               } catch (AbortCompilation a){
-               }
-       }
-       
-       System.arraycopy(availableFields, 0, availableFields = new FieldBinding[count], 0, count);
-       return availableFields;
-}
-
-public MethodBinding[] availableMethods() {
-       if ((modifiers & AccUnresolved) == 0)
-               return methods;
-               
-       MethodBinding[] availableMethods = new MethodBinding[methods.length];
-       int count = 0;
-       
-       for (int i = 0; i < methods.length;i++) {
-               try {
-                       availableMethods[count] = resolveTypesFor(methods[i]);
-                       count++;
-               } catch (AbortCompilation a){
-               }
-       }
-       System.arraycopy(availableMethods, 0, availableMethods = new MethodBinding[count], 0, count);
-       return availableMethods;
-}
-
-void cachePartsFrom(IBinaryType binaryType, boolean needFieldsAndMethods) {
-       char[] superclassName = binaryType.getSuperclassName();
-       if (superclassName != null)
-               // attempt to find the superclass if it exists in the cache (otherwise - resolve it when requested)
-               this.superclass = environment.getTypeFromConstantPoolName(superclassName, 0, -1);
-
-       char[] enclosingTypeName = binaryType.getEnclosingTypeName();
-       if (enclosingTypeName != null) {
-               // attempt to find the enclosing type if it exists in the cache (otherwise - resolve it when requested)
-               this.enclosingType = environment.getTypeFromConstantPoolName(enclosingTypeName, 0, -1);
-               this.tagBits |= MemberTypeMask;   // must be a member type not a top-level or local type
-               if (this.enclosingType().isStrictfp())
-                       this.modifiers |= AccStrictfp;
-               if (this.enclosingType().isDeprecated())
-                       this.modifiers |= AccDeprecatedImplicitly;
-       }
-
-       this.memberTypes = NoMemberTypes;
-       IBinaryNestedType[] memberTypeStructures = binaryType.getMemberTypes();
-       if (memberTypeStructures != null) {
-               int size = memberTypeStructures.length;
-               if (size > 0) {
-                       this.memberTypes = new ReferenceBinding[size];
-                       for (int i = 0; i < size; i++)
-                               // attempt to find each member type if it exists in the cache (otherwise - resolve it when requested)
-                               this.memberTypes[i] = environment.getTypeFromConstantPoolName(memberTypeStructures[i].getName(), 0, -1);
-               }
-       }
-
-       this.superInterfaces = NoSuperInterfaces;
-       char[][] interfaceNames = binaryType.getInterfaceNames();
-       if (interfaceNames != null) {
-               int size = interfaceNames.length;
-               if (size > 0) {
-                       this.superInterfaces = new ReferenceBinding[size];
-                       for (int i = 0; i < size; i++)
-                               // attempt to find each superinterface if it exists in the cache (otherwise - resolve it when requested)
-                               this.superInterfaces[i] = environment.getTypeFromConstantPoolName(interfaceNames[i], 0, -1);
-               }
-       }
-       if (needFieldsAndMethods){
-               createFields(binaryType.getFields());
-               createMethods(binaryType.getMethods());
-       }
-}
-private void createFields(IBinaryField[] iFields) {
-       this.fields = NoFields;
-       if (iFields != null) {
-               int size = iFields.length;
-               if (size > 0) {
-                       this.fields = new FieldBinding[size];
-                       for (int i = 0; i < size; i++) {
-                               IBinaryField field = iFields[i];
-                               this.fields[i] =
-                                       new FieldBinding(
-                                               field.getName(),
-                                               environment.getTypeFromSignature(field.getTypeName(), 0, -1),
-                                               field.getModifiers(),
-                                               this,
-                                               field.getConstant());
-                       }
-               }
-       }
-}
-private MethodBinding createMethod(IBinaryMethod method) {
-       int modifiers = method.getModifiers() | AccUnresolved;
-
-       ReferenceBinding[] exceptions = NoExceptions;
-       char[][] exceptionTypes = method.getExceptionTypeNames();
-       if (exceptionTypes != null) {
-               int size = exceptionTypes.length;
-               if (size > 0) {
-                       exceptions = new ReferenceBinding[size];
-                       for (int i = 0; i < size; i++)
-                               exceptions[i] = environment.getTypeFromConstantPoolName(exceptionTypes[i], 0, -1);
-               }
-       }
-
-       TypeBinding[] parameters = NoParameters;
-       char[] signature = method.getMethodDescriptor();   // of the form (I[Ljava/jang/String;)V
-       int numOfParams = 0;
-       char nextChar;
-       int index = 0;   // first character is always '(' so skip it
-       while ((nextChar = signature[++index]) != ')') {
-               if (nextChar != '[') {
-                       numOfParams++;
-                       if (nextChar == 'L')
-                               while ((nextChar = signature[++index]) != ';');
-               }
-       }
-
-       // Ignore synthetic argument for member types.
-       int startIndex = (method.isConstructor() && isMemberType() && !isStatic()) ? 1 : 0;
-       int size = numOfParams - startIndex;
-       if (size > 0) {
-               parameters = new TypeBinding[size];
-               index = 1;
-               int end = 0;   // first character is always '(' so skip it
-               for (int i = 0; i < numOfParams; i++) {
-                       while ((nextChar = signature[++end]) == '[');
-                       if (nextChar == 'L')
-                               while ((nextChar = signature[++end]) != ';');
-
-                       if (i >= startIndex)   // skip the synthetic arg if necessary
-                               parameters[i - startIndex] = environment.getTypeFromSignature(signature, index, end);
-                       index = end + 1;
-               }
-       }
-
-       MethodBinding binding = null;
-       if (method.isConstructor())
-               binding = new MethodBinding(modifiers, parameters, exceptions, this);
-       else
-               binding = new MethodBinding(
-                       modifiers,
-                       method.getSelector(),
-                       environment.getTypeFromSignature(signature, index + 1, -1),   // index is currently pointing at the ')'
-                       parameters,
-                       exceptions,
-                       this);
-       return binding;
-}
-private void createMethods(IBinaryMethod[] iMethods) {
-       int total = 0;
-       int clinitIndex = -1;
-       if (iMethods != null) {
-               total = iMethods.length;
-               for (int i = total; --i >= 0;) {
-                       char[] methodName = iMethods[i].getSelector();
-                       if (methodName[0] == '<' && methodName.length == 8) { // Can only match <clinit>
-                               total--;
-                               clinitIndex = i;
-                               break;
-                       }
-               }
-       }
-       if (total == 0) {
-               this.methods = NoMethods;
-               return;
-       }
-
-       this.methods = new MethodBinding[total];
-       int next = 0;
-       for (int i = 0, length = iMethods.length; i < length; i++)
-               if (i != clinitIndex)
-                       this.methods[next++] = createMethod(iMethods[i]);
-       modifiers |= AccUnresolved; // until methods() is sent
-}
-/* Answer the receiver's enclosing type... null if the receiver is a top level type.
-*
-* NOTE: enclosingType of a binary type is resolved when needed
-*/
-
-public ReferenceBinding enclosingType() {
-       if (enclosingType == null)
-               return null;
-       if (enclosingType instanceof UnresolvedReferenceBinding)
-               enclosingType = ((UnresolvedReferenceBinding) enclosingType).resolve(environment);
-       return enclosingType;
-}
-// NOTE: the type of each field of a binary type is resolved when needed
-
-public FieldBinding[] fields() {
-       for (int i = fields.length; --i >= 0;)
-               resolveTypeFor(fields[i]);
-       return fields;
-}
-// NOTE: the return type, arg & exception types of each method of a binary type are resolved when needed
-
-public MethodBinding getExactConstructor(TypeBinding[] argumentTypes) {
-       int argCount = argumentTypes.length;
-       nextMethod : for (int m = methods.length; --m >= 0;) {
-               MethodBinding method = methods[m];
-               if (method.selector == ConstructorDeclaration.ConstantPoolName && method.parameters.length == argCount) {
-                       resolveTypesFor(method);
-                       TypeBinding[] toMatch = method.parameters;
-                       for (int p = 0; p < argCount; p++)
-                               if (toMatch[p] != argumentTypes[p])
-                                       continue nextMethod;
-                       return method;
-               }
-       }
-       return null;
-}
-// NOTE: the return type, arg & exception types of each method of a binary type are resolved when needed
-// searches up the hierarchy as long as no potential (but not exact) match was found.
-
-public MethodBinding getExactMethod(char[] selector, TypeBinding[] argumentTypes) {
-       int argCount = argumentTypes.length;
-       int selectorLength = selector.length;
-       boolean foundNothing = true;
-       nextMethod : for (int m = methods.length; --m >= 0;) {
-               MethodBinding method = methods[m];
-               if (method.selector.length == selectorLength && CharOperation.prefixEquals(method.selector, selector)) {
-                       foundNothing = false; // inner type lookups must know that a method with this name exists
-                       if (method.parameters.length == argCount) {
-                               resolveTypesFor(method);
-                               TypeBinding[] toMatch = method.parameters;
-                               for (int p = 0; p < argCount; p++)
-                                       if (toMatch[p] != argumentTypes[p])
-                                               continue nextMethod;
-                               return method;
-                       }
-               }
-       }
-
-       if (foundNothing) {
-               if (isInterface()) {
-                        if (superInterfaces.length == 1)
-                               return superInterfaces[0].getExactMethod(selector, argumentTypes);
-               } else if (superclass != null) {
-                       return superclass.getExactMethod(selector, argumentTypes);
-               }
-       }
-       return null;
-}
-// NOTE: the type of a field of a binary type is resolved when needed
-
-public FieldBinding getField(char[] fieldName) {
-       int fieldLength = fieldName.length;
-       for (int f = fields.length; --f >= 0;) {
-               char[] name = fields[f].name;
-               if (name.length == fieldLength && CharOperation.prefixEquals(name, fieldName))
-                       return resolveTypeFor(fields[f]);
-       }
-       return null;
-}
-// NOTE: the return type, arg & exception types of each method of a binary type are resolved when needed
-
-public MethodBinding[] getMethods(char[] selector) {
-       int count = 0;
-       int lastIndex = -1;
-       int selectorLength = selector.length;
-       for (int m = 0, length = methods.length; m < length; m++) {
-               MethodBinding method = methods[m];
-               if (method.selector.length == selectorLength && CharOperation.prefixEquals(method.selector, selector)) {
-                       resolveTypesFor(method);
-                       count++;
-                       lastIndex = m;
-               }
-       }
-       if (count == 1)
-               return new MethodBinding[] {methods[lastIndex]};
-       if (count > 0) {
-               MethodBinding[] result = new MethodBinding[count];
-               count = 0;
-               for (int m = 0; m <= lastIndex; m++) {
-                       MethodBinding method = methods[m];
-                       if (method.selector.length == selectorLength && CharOperation.prefixEquals(method.selector, selector))
-                               result[count++] = method;
-               }
-               return result;
-       }
-       return NoMethods;
-}
-// NOTE: member types of binary types are resolved when needed
-
-public ReferenceBinding[] memberTypes() {
-       for (int i = memberTypes.length; --i >= 0;)
-               if (memberTypes[i] instanceof UnresolvedReferenceBinding)
-                       memberTypes[i] = ((UnresolvedReferenceBinding) memberTypes[i]).resolve(environment);
-       return memberTypes;
-}
-// NOTE: the return type, arg & exception types of each method of a binary type are resolved when needed
-
-public MethodBinding[] methods() {
-       if ((modifiers & AccUnresolved) == 0)
-               return methods;
-
-       for (int i = methods.length; --i >= 0;)
-               resolveTypesFor(methods[i]);
-       modifiers ^= AccUnresolved;
-       return methods;
-}
-private TypeBinding resolveType(TypeBinding type) {
-       if (type instanceof UnresolvedReferenceBinding)
-               return ((UnresolvedReferenceBinding) type).resolve(environment);
-       if (type instanceof ArrayBinding) {
-               ArrayBinding array = (ArrayBinding) type;
-               if (array.leafComponentType instanceof UnresolvedReferenceBinding)
-                       array.leafComponentType = ((UnresolvedReferenceBinding) array.leafComponentType).resolve(environment);
-       }
-       return type;
-}
-private FieldBinding resolveTypeFor(FieldBinding field) {
-       field.type = resolveType(field.type);
-       return field;
-}
-private MethodBinding resolveTypesFor(MethodBinding method) {
-       if ((method.modifiers & AccUnresolved) == 0)
-               return method;
-
-       if (!method.isConstructor())
-               method.returnType = resolveType(method.returnType);
-       for (int i = method.parameters.length; --i >= 0;)
-               method.parameters[i] = resolveType(method.parameters[i]);
-       for (int i = method.thrownExceptions.length; --i >= 0;)
-               if (method.thrownExceptions[i] instanceof UnresolvedReferenceBinding)
-                       method.thrownExceptions[i] = ((UnresolvedReferenceBinding) method.thrownExceptions[i]).resolve(environment);
-       method.modifiers ^= AccUnresolved;
-       return method;
-}
-/* Answer the receiver's superclass... null if the receiver is Object or an interface.
-*
-* NOTE: superclass of a binary type is resolved when needed
-*/
-
-public ReferenceBinding superclass() {
-       if (superclass == null)
-               return null;
-       if (superclass instanceof UnresolvedReferenceBinding)
-               superclass = ((UnresolvedReferenceBinding) superclass).resolve(environment);
-       return superclass;
-}
-// NOTE: superInterfaces of binary types are resolved when needed
-
-public ReferenceBinding[] superInterfaces() {
-       for (int i = superInterfaces.length; --i >= 0;)
-               if (superInterfaces[i] instanceof UnresolvedReferenceBinding)
-                       superInterfaces[i] = ((UnresolvedReferenceBinding) superInterfaces[i]).resolve(environment);
-       return superInterfaces;
-}
-public String toString() {
-       String s = ""; //$NON-NLS-1$
-
-       if (isDeprecated()) s += "deprecated "; //$NON-NLS-1$
-       if (isPublic()) s += "public "; //$NON-NLS-1$
-       if (isProtected()) s += "protected "; //$NON-NLS-1$
-       if (isPrivate()) s += "private "; //$NON-NLS-1$
-       if (isAbstract() && isClass()) s += "abstract "; //$NON-NLS-1$
-       if (isStatic() && isNestedType()) s += "static "; //$NON-NLS-1$
-       if (isFinal()) s += "final "; //$NON-NLS-1$
-
-       s += isInterface() ? "interface " : "class "; //$NON-NLS-1$ //$NON-NLS-2$
-       s += (compoundName != null) ? CharOperation.toString(compoundName) : "UNNAMED TYPE"; //$NON-NLS-1$
-
-       s += "\n\textends "; //$NON-NLS-1$
-       s += (superclass != null) ? superclass.debugName() : "NULL TYPE"; //$NON-NLS-1$
-
-       if (superInterfaces != null) {
-               if (superInterfaces != NoSuperInterfaces) {
-                       s += "\n\timplements : "; //$NON-NLS-1$
-                       for (int i = 0, length = superInterfaces.length; i < length; i++) {
-                               if (i  > 0)
-                                       s += ", "; //$NON-NLS-1$
-                               s += (superInterfaces[i] != null) ? superInterfaces[i].debugName() : "NULL TYPE"; //$NON-NLS-1$
-                       }
-               }
-       } else {
-               s += "NULL SUPERINTERFACES"; //$NON-NLS-1$
-       }
-
-       if (enclosingType != null) {
-               s += "\n\tenclosing type : "; //$NON-NLS-1$
-               s += enclosingType.debugName();
-       }
-
-       if (fields != null) {
-               if (fields != NoFields) {
-                       s += "\n/*   fields   */"; //$NON-NLS-1$
-                       for (int i = 0, length = fields.length; i < length; i++)
-                               s += (fields[i] != null) ? "\n" + fields[i].toString() : "\nNULL FIELD"; //$NON-NLS-1$ //$NON-NLS-2$
-               }
-       } else {
-               s += "NULL FIELDS"; //$NON-NLS-1$
-       }
-
-       if (methods != null) {
-               if (methods != NoMethods) {
-                       s += "\n/*   methods   */"; //$NON-NLS-1$
-                       for (int i = 0, length = methods.length; i < length; i++)
-                               s += (methods[i] != null) ? "\n" + methods[i].toString() : "\nNULL METHOD"; //$NON-NLS-1$ //$NON-NLS-2$
-               }
-       } else {
-               s += "NULL METHODS"; //$NON-NLS-1$
-       }
-
-       if (memberTypes != null) {
-               if (memberTypes != NoMemberTypes) {
-                       s += "\n/*   members   */"; //$NON-NLS-1$
-                       for (int i = 0, length = memberTypes.length; i < length; i++)
-                               s += (memberTypes[i] != null) ? "\n" + memberTypes[i].toString() : "\nNULL TYPE"; //$NON-NLS-1$ //$NON-NLS-2$
-               }
-       } else {
-               s += "NULL MEMBER TYPES"; //$NON-NLS-1$
-       }
-
-       s += "\n\n\n"; //$NON-NLS-1$
-       return s;
-}
-}