More String constructors

src/main/java/java/lang/AbstractStringBuilder.java

@@ -0,0 +1,254 @@
+/*
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * DIFFBLUE MODEL LIBRARY
+ * At the moment, the methods defined in this class are not called anywhere
+ * because the classes that extend this class override each method without
+ * calling methods from this class.
+ *
+ * This file is only present to maintain the original inheritance. However, it
+ * would make sense to implement some of the modelled methods here instead of
+ * in the StringBuilder and StringBuffer classes, in the case these methods
+ * are modelled in a similar way.
+ */
+
+package java.lang;
+
+import org.cprover.CProver;
+
+abstract class AbstractStringBuilder implements Appendable, CharSequence {
+
+    AbstractStringBuilder() {}
+
+    AbstractStringBuilder(int capacity) {}
+
+    @Override
+    public int length() {
+        return CProver.nondetInt();
+    }
+
+    public int capacity() {
+        CProver.notModelled();
+        return CProver.nondetInt();
+    }
+
+    public void ensureCapacity(int minimumCapacity) {}
+
+    public void trimToSize() {}
+
+    public void setLength(int newLength) {}
+
+    @Override
+    public char charAt(int index) {
+        return 'c';
+    }
+
+    public int codePointAt(int index) {
+        return CProver.nondetInt();
+    }
+
+    public int codePointBefore(int index) {
+        return CProver.nondetInt();
+    }
+
+    public int codePointCount(int beginIndex, int endIndex) {
+        return CProver.nondetInt();
+    }
+
+    public int offsetByCodePoints(int index, int codePointOffset) {
+        return CProver.nondetInt();
+    }
+
+    public void getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin) {
+      CProver.notModelled();
+    }
+
+    public void setCharAt(int index, char ch) {}
+
+    public AbstractStringBuilder append(Object obj) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(String str) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(StringBuffer sb) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    AbstractStringBuilder append(AbstractStringBuilder asb) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    @Override
+    public AbstractStringBuilder append(CharSequence s) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    @Override
+    public AbstractStringBuilder append(CharSequence s, int start, int end) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(char[] str) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(char str[], int offset, int len) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(boolean b) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    @Override
+    public AbstractStringBuilder append(char c) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(int i) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(long l) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(float f) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder append(double d) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder delete(int start, int end) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder appendCodePoint(int codePoint) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder deleteCharAt(int index) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder replace(int start, int end, String str) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public String substring(int start) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    @Override
+    public CharSequence subSequence(int start, int end) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public String substring(int start, int end) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int index, char[] str, int offset,
+                                               int len) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, Object obj) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, String str) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, char[] str) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int dstOffset, CharSequence s) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int dstOffset, CharSequence s,
+                                               int start, int end) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, boolean b) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, char c) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, int i) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, long l) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, float f) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public AbstractStringBuilder insert(int offset, double d) {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    public int indexOf(String str) {
+        return CProver.nondetInt();
+    }
+
+    public int indexOf(String str, int fromIndex) {
+        return CProver.nondetInt();
+    }
+
+    public int lastIndexOf(String str) {
+        return CProver.nondetInt();
+    }
+
+    public int lastIndexOf(String str, int fromIndex) {
+        return CProver.nondetInt();
+    }
+
+    public AbstractStringBuilder reverse() {
+        return CProver.nondetWithNullForNotModelled();
+    }
+
+    @Override
+    public abstract String toString();
+
+    // Method should not be used in the models
+    // final char[] getValue();
+}