Make AbstractInt subclass of Buffer and add Text class.

Makefile

@@ -10,9 +10,10 @@ CLASSES = \
 	$(SRC)/com/bdjb/Exploit.java \
 	$(SRC)/com/bdjb/JIT.java \
 	$(SRC)/com/bdjb/Screen.java \
-	$(SRC)/com/bdjb/api/AbstractInt.java \
 	$(SRC)/com/bdjb/api/API.java \
 	$(SRC)/com/bdjb/api/Buffer.java \
+	$(SRC)/com/bdjb/api/Text.java \
+	$(SRC)/com/bdjb/api/AbstractInt.java \
 	$(SRC)/com/bdjb/api/Int8.java \
 	$(SRC)/com/bdjb/api/Int16.java \
 	$(SRC)/com/bdjb/api/Int32.java \

src/com/bdjb/api/AbstractInt.java

@@ -7,54 +7,28 @@
 
 package com.bdjb.api;
 
-abstract class AbstractInt {
-  protected static final API api;
+abstract class AbstractInt extends Buffer {
+  private final int[] dimensions;
 
-  static {
-    try {
-      api = API.getInstance();
-    } catch (Exception e) {
-      throw new ExceptionInInitializerError(e);
-    }
-  }
+  private final int elementSize;
 
-  protected final long address;
-
-  protected final int size;
-
-  protected final int[] dimensions;
-
-  protected AbstractInt(int[] dimensions) {
+  protected AbstractInt(int[] dimensions, int elementSize) {
+    super(size(dimensions, elementSize));
     this.dimensions = dimensions;
-    this.size = size(dimensions);
-    this.address = api.malloc(size);
+    this.elementSize = elementSize;
   }
 
-  protected AbstractInt() {
-    this(new int[] {1});
+  protected AbstractInt(int elementSize) {
+    this(new int[] {1}, elementSize);
   }
 
-  protected abstract int elementSize();
-
-  public void finalize() {
-    api.free(address);
-  }
-
-  public long address() {
-    return address;
-  }
-
-  public int size() {
-    return size;
-  }
-
-  public int size(int[] dimensions) {
+  static int size(int[] dimensions, int elementSize) {
     assert (dimensions.length > 0);
     int size = 1;
     for (int i = 0; i < dimensions.length; i++) {
       size *= dimensions[i];
     }
-    size *= elementSize();
+    size *= elementSize;
     return size;
   }
 
@@ -66,14 +40,8 @@ abstract class AbstractInt {
       offset += stride * indices[i];
       stride *= dimensions[i];
     }
-    offset *= elementSize();
-    checkOffset(offset);
+    offset *= elementSize;
+    checkOffset(offset, elementSize);
     return offset;
   }
-
-  private void checkOffset(int offset) {
-    if (offset < 0 || (offset + elementSize()) > size) {
-      throw new IndexOutOfBoundsException();
-    }
-  }
 }

src/com/bdjb/api/Buffer.java

@@ -8,7 +8,7 @@
 package com.bdjb.api;
 
 public class Buffer {
-  private static final API api;
+  protected static final API api;
 
   static {
     try {
@@ -18,9 +18,9 @@ public class Buffer {
     }
   }
 
-  private final long address;
+  protected final long address;
 
-  private final int size;
+  protected final int size;
 
   public Buffer(int size) {
     this.size = size;
@@ -84,11 +84,16 @@ public class Buffer {
     api.memcpy(address + offset, buffer.address(), buffer.size());
   }
 
+  public void put(int offset, byte[] buffer) {
+    checkOffset(offset, buffer.length);
+    api.memcpy(address + offset, buffer, buffer.length);
+  }
+
   public void fill(byte value) {
     api.memset(address, value, size);
   }
 
-  private void checkOffset(int offset, int length) {
+  protected void checkOffset(int offset, int length) {
     if (offset < 0 || length < 0 || (offset + length) > size) {
       throw new IndexOutOfBoundsException();
     }

src/com/bdjb/api/Int16.java

@@ -11,11 +11,11 @@ public final class Int16 extends AbstractInt {
   public static final int SIZE = 2;
 
   public Int16(int[] dimensions) {
-    super(dimensions);
+    super(dimensions, SIZE);
   }
 
   public Int16() {
-    super();
+    super(SIZE);
   }
 
   public Int16(short value) {
@@ -23,23 +23,19 @@ public final class Int16 extends AbstractInt {
     this.set(value);
   }
 
-  protected int elementSize() {
-    return SIZE;
-  }
-
   public short get() {
-    return api.read16(address);
+    return getShort(0x00);
   }
 
   public void set(short value) {
-    api.write16(address, value);
+    putShort(0x00, value);
   }
 
   public short get(int[] indices) {
-    return api.read16(address + offset(indices));
+    return getShort(offset(indices));
   }
 
   public void set(int[] indices, short value) {
-    api.write16(address + offset(indices), value);
+    putShort(offset(indices), value);
   }
 }

src/com/bdjb/api/Int32.java

@@ -11,11 +11,11 @@ public final class Int32 extends AbstractInt {
   public static final int SIZE = 4;
 
   public Int32(int[] dimensions) {
-    super(dimensions);
+    super(dimensions, SIZE);
   }
 
   public Int32() {
-    super();
+    super(SIZE);
   }
 
   public Int32(int value) {
@@ -23,23 +23,19 @@ public final class Int32 extends AbstractInt {
     this.set(value);
   }
 
-  protected int elementSize() {
-    return SIZE;
-  }
-
   public int get() {
-    return api.read32(address);
+    return getInt(0x00);
   }
 
   public void set(int value) {
-    api.write32(address, value);
+    putInt(0x00, value);
   }
 
   public int get(int[] indices) {
-    return api.read32(address + offset(indices));
+    return getInt(offset(indices));
   }
 
   public void set(int[] indices, int value) {
-    api.write32(address + offset(indices), value);
+    putInt(offset(indices), value);
   }
 }

src/com/bdjb/api/Int64.java

@@ -11,11 +11,11 @@ public final class Int64 extends AbstractInt {
   public static final int SIZE = 8;
 
   public Int64(int[] dimensions) {
-    super(dimensions);
+    super(dimensions, SIZE);
   }
 
   public Int64() {
-    super();
+    super(SIZE);
   }
 
   public Int64(long value) {
@@ -23,23 +23,19 @@ public final class Int64 extends AbstractInt {
     this.set(value);
   }
 
-  protected int elementSize() {
-    return SIZE;
-  }
-
   public long get() {
-    return api.read64(address);
+    return getLong(0x00);
   }
 
   public void set(long value) {
-    api.write64(address, value);
+    putLong(0x00, value);
   }
 
   public long get(int[] indices) {
-    return api.read64(address + offset(indices));
+    return getLong(offset(indices));
   }
 
   public void set(int[] indices, long value) {
-    api.write64(address + offset(indices), value);
+    putLong(offset(indices), value);
   }
 }

src/com/bdjb/api/Int8.java

@@ -11,11 +11,11 @@ public final class Int8 extends AbstractInt {
   public static final int SIZE = 1;
 
   public Int8(int[] dimensions) {
-    super(dimensions);
+    super(dimensions, SIZE);
   }
 
   public Int8() {
-    super();
+    super(SIZE);
   }
 
   public Int8(byte value) {
@@ -23,23 +23,19 @@ public final class Int8 extends AbstractInt {
     this.set(value);
   }
 
-  protected int elementSize() {
-    return SIZE;
-  }
-
   public byte get() {
-    return api.read8(address);
+    return getByte(0x00);
   }
 
   public void set(byte value) {
-    api.write8(address, value);
+    putByte(0x00, value);
   }
 
   public byte get(int[] indices) {
-    return api.read8(address + offset(indices));
+    return getByte(offset(indices));
   }
 
   public void set(int[] indices, byte value) {
-    api.write8(address + offset(indices), value);
+    putByte(offset(indices), value);
   }
 }

src/com/bdjb/api/Text.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2021 Andy Nguyen
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+package com.bdjb.api;
+
+public class Text extends Buffer {
+  private String text;
+
+  public Text(String text) {
+    super(text.length() + 1);
+    this.text = text;
+    api.strcpy(address, text);
+  }
+
+  public String toString() {
+    return text;
+  }
+}