Example usage for org.objectweb.asm Opcodes ISTORE

List of usage examples for org.objectweb.asm Opcodes ISTORE

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In this page you can find the example usage for org.objectweb.asm Opcodes ISTORE.

Prototype

int ISTORE

To view the source code for org.objectweb.asm Opcodes ISTORE.

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Usage

From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java

License:Creative Commons License

private static void transformArmorTexture(MethodNode method) {
    InsnList needle = new InsnList();
    needle.add(new VarInsnNode(Opcodes.ALOAD, 0));
    needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_FUNC110241CB, false));
    needle.add(new VarInsnNode(Opcodes.ISTORE, 3));

    AbstractInsnNode node = ASMHelper.findLastNodeFromNeedle(method.instructions, needle);

    InsnList newInstr = new InsnList();
    LabelNode l17 = new LabelNode();
    newInstr.add(l17);//from  w  ww .j a  v  a  2 s  .  c  om
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0));
    newInstr.add(
            ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_GET_CUSTOM_ARMOR_ITEM, false));
    newInstr.add(new VarInsnNode(Opcodes.ASTORE, 4));
    LabelNode l18 = new LabelNode();
    newInstr.add(l18);
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false));
    newInstr.add(new TypeInsnNode(Opcodes.INSTANCEOF, ASMNames.CL_ITEM_HORSE_ARMOR));
    LabelNode l19 = new LabelNode();
    newInstr.add(new JumpInsnNode(Opcodes.IFEQ, l19));
    LabelNode l20 = new LabelNode();
    newInstr.add(l20);
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0));
    newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_HORSE_FIELD110280BR));
    newInstr.add(new InsnNode(Opcodes.ICONST_2));
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false));
    newInstr.add(new TypeInsnNode(Opcodes.CHECKCAST, ASMNames.CL_ITEM_HORSE_ARMOR));
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0));
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_SAP_GET_ARMOR_TEXTURE, false));
    newInstr.add(new InsnNode(Opcodes.AASTORE));
    LabelNode l21 = new LabelNode();
    newInstr.add(l21);
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0));
    newInstr.add(new TypeInsnNode(Opcodes.NEW, ASMNames.CL_STRING_BUILDER));
    newInstr.add(new InsnNode(Opcodes.DUP));
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0));
    newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_HORSE_FIELD110286BQ));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKESTATIC, ASMNames.MD_STRING_VALUE_OF, false));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_STRINGBUILDER_INIT, false));
    newInstr.add(new LdcInsnNode("cst-"));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_STRINGBUILDER_APPEND, false));
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4));
    newInstr.add(
            ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_UNLOC_NAME, false));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_STRINGBUILDER_APPEND, false));
    newInstr.add(
            ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_STRINGBUILDER_TO_STRING, false));
    newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.PUTFIELD, ASMNames.FD_HORSE_FIELD110286BQ));
    newInstr.add(new InsnNode(Opcodes.RETURN));
    newInstr.add(l19);

    method.instructions.insert(node, newInstr);
}

From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java

License:Creative Commons License

private static void transformInteract(MethodNode method) {

    InsnList needle = new InsnList();
    needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_ITEMS_DIAMOND_HORSE_ARMOR));
    needle.add(new JumpInsnNode(Opcodes.IF_ACMPNE, new LabelNode()));
    needle.add(new LabelNode());
    needle.add(new LineNumberNode(-1, new LabelNode()));
    needle.add(new InsnNode(Opcodes.ICONST_3));
    needle.add(new VarInsnNode(Opcodes.ISTORE, 4));
    needle.add(new LabelNode());
    needle.add(new LineNumberNode(-1, new LabelNode()));
    needle.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null));

    AbstractInsnNode node = ASMHelper.findLastNodeFromNeedle(method.instructions, needle);

    InsnList newInstr = new InsnList();
    newInstr.add(new LabelNode());
    newInstr.add(new VarInsnNode(Opcodes.ALOAD, 2));
    newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false));
    newInstr.add(new TypeInsnNode(Opcodes.INSTANCEOF, ASMNames.CL_ITEM_HORSE_ARMOR));
    LabelNode l8 = new LabelNode();
    newInstr.add(new JumpInsnNode(Opcodes.IFEQ, l8));
    newInstr.add(new LabelNode());
    newInstr.add(new InsnNode(Opcodes.ICONST_4));
    newInstr.add(new VarInsnNode(Opcodes.ISTORE, 4));
    newInstr.add(l8);/*www.j a  v a2 s . c om*/
    newInstr.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null));

    method.instructions.insert(node, newInstr);
}

From source file:de.tuberlin.uebb.jbop.optimizer.arithmetic.ArithmeticExpressionInterpreterTest.java

License:Open Source License

/**
 * Tests that arithmeticExpressionInterpreter() of the Testobject is working correctly
 * if nothing is todo (no arithmetic Expression occur in instructions).
 *//* w  w w .j av a2  s. c  o  m*/
@Test
public void testArithmeticExpressionInterpreterNoArithmeticInstructions() {
    // INIT
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new VarInsnNode(Opcodes.ISTORE, 1)).//
            addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new VarInsnNode(Opcodes.ISTORE, 2)).//
            addInsn(new InsnNode(Opcodes.ICONST_3)).//
            addInsn(new VarInsnNode(Opcodes.ISTORE, 3)).//
            addInsn(new InsnNode(Opcodes.RETURN));
    // RUN
    final InsnList optimized = interpreter.optimize(builder.getMethod("testMethod").instructions,
            builder.getMethod("testMethod"));

    // ASSERT
    assertFalse(interpreter.isOptimized());
    assertEquals(7, optimized.size());
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopBody.java

License:Open Source License

/**
 * Gets the insn list.//from w w w  .ja v a 2  s .co m
 * 
 * @param i
 *          the curretn counter
 * @param footer
 *          the footer
 * @param method
 *          the method
 * @return the insn list of the body in respect to the current counter (<code>i</code>).
 */
public InsnList getInsnList(final int i, final ForLoopFooter footer, final MethodNode method) {
    final InsnList list = new InsnList();
    if (body.isEmpty()) {
        return list;
    }
    final LabelMap labelMap = new LabelMap();
    final int newLocalVar = method.maxLocals + 1;
    final int oldLocalVar = footer.getVarIndex();
    list.add(NodeHelper.getInsnNodeFor(i));
    list.add(new VarInsnNode(Opcodes.ISTORE, newLocalVar));
    for (final AbstractInsnNode node : body) {
        final AbstractInsnNode copyNode = node.clone(labelMap);
        if (copyNode instanceof VarInsnNode) {
            if (((VarInsnNode) copyNode).var == oldLocalVar) {
                ((VarInsnNode) copyNode).var = newLocalVar;
            }
        }
        list.add(copyNode);
    }
    list.add(new SplitMarkNode());
    method.maxLocals++;
    return list;
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java

License:Open Source License

/**
 * Tests that ForLoopUnroller is working correctly.
 * /*from   www  .j a  v  a 2s .com*/
 * Used is a loop of the kind:
 * 
 * for(int i=0; i< 3; ++i)
 */
@Test
public void testForLoopUnrollerStrictForward() {
    // INIT
    final LabelNode label1 = new LabelNode();
    final LabelNode label2 = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_0)).//
            addInsn(new VarInsnNode(Opcodes.ISTORE, 1)).//
            addInsn(new JumpInsnNode(Opcodes.GOTO, label1)).//
            addInsn(label2).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new InsnNode(Opcodes.IADD)).//
            addInsn(new IincInsnNode(1, 1)).//
            addInsn(label1).//
            addInsn(NodeHelper.getInsnNodeFor(3)).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPLT, label2)).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(13, method.instructions.size());
    final InsnList optimized = optimizer.optimize(method.instructions, method);

    // ASSERT
    assertEquals(19, optimized.size());

    int node = 0;
    for (int i = 0; i < 3; ++i) {
        assertEquals(i, NodeHelper.getNumberValue(optimized.get(node)).intValue());
        node++;
        assertEquals(Opcodes.ISTORE, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.ILOAD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.ILOAD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.IADD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode()); // this is the SkipMarkNode
        node++;
    }
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java

License:Open Source License

/**
 * Tests that ForLoopUnroller is working correctly.
 * //from   www.  ja  v  a2 s  . com
 * Used is a loop of the kind:
 * 
 * for(int i=6; i> 0; i=i-2)
 */
@Test
public void testForLoopUnrollerBackward() {
    // INIT
    final LabelNode label1 = new LabelNode();
    final LabelNode label2 = new LabelNode();
    builder.addInsn(NodeHelper.getInsnNodeFor(6)).//
            addInsn(new VarInsnNode(Opcodes.ISTORE, 1)).//
            addInsn(new JumpInsnNode(Opcodes.GOTO, label1)).//
            addInsn(label2).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new InsnNode(Opcodes.IADD)).//
            addInsn(new IincInsnNode(1, -2)).//
            addInsn(label1).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new JumpInsnNode(Opcodes.IFGT, label2)).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(12, method.instructions.size());
    final InsnList optimized = optimizer.optimize(method.instructions, method);

    // ASSERT
    assertEquals(19, optimized.size());

    int node = 0;
    for (int i = 6; i > 0; i -= 2) {
        assertEquals(i, NodeHelper.getNumberValue(optimized.get(node)).intValue());
        node++;
        assertEquals(Opcodes.ISTORE, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.ILOAD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.ILOAD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.IADD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
    }
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java

License:Open Source License

/**
 * Tests the Loopunroller for a loop with the test-instructions at the beginning.
 *///from  w  w  w  .  j  ava  2s.  c om
@Test
public void testForLoopTypeTwo() {
    // INIT
    final LabelNode check = new LabelNode();
    final LabelNode ende = new LabelNode();
    builder.add(ICONST_0)//
            .add(ISTORE, 1)//
            .addInsn(check)//
            .add(ICONST_5)//
            .add(ILOAD, 1)//
            .add(IF_ICMPGT, ende)//
            .add(NOP)//
            .add(NOP)//
            .add(NOP)//
            .add(IINC, 1, 1)//
            .add(GOTO, check)//
            .addInsn(ende)//
            .add(NOP)//
            .addReturn();

    // RUN
    assertEquals(14, method.instructions.size());
    final InsnList optimized = optimizer.optimize(method.instructions, method);

    // ASSERT
    assertEquals(38, optimized.size()); //
    int node = 0;
    for (int i = 0; i < 6; ++i) {
        assertEquals(i, NodeHelper.getNumberValue(optimized.get(node)).intValue());
        node++;
        assertEquals(Opcodes.ISTORE, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
    }
    assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
    node++;
    assertEquals(Opcodes.RETURN, optimized.get(node).getOpcode());
    node++;
}

From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.Block.java

License:Open Source License

private Type getTypeIfSimpleType(final AbstractInsnNode node) {
    final int opcode = node.getOpcode();
    if ((opcode == Opcodes.ILOAD) || (opcode == Opcodes.ISTORE) || (opcode == Opcodes.IRETURN)) {
        return Type.INT_TYPE;
    }// w  ww . java 2  s.co  m
    if ((opcode == Opcodes.FLOAD) || (opcode == Opcodes.FSTORE) || (opcode == Opcodes.FRETURN)) {
        return Type.FLOAT_TYPE;
    }
    if ((opcode == Opcodes.LLOAD) || (opcode == Opcodes.LSTORE) || (opcode == Opcodes.LRETURN)) {
        return Type.LONG_TYPE;
    }
    if ((opcode == Opcodes.DLOAD) || (opcode == Opcodes.DSTORE) || (opcode == Opcodes.DRETURN)) {
        return Type.DOUBLE_TYPE;
    }
    return null;
}

From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.Block.java

License:Open Source License

private static boolean isStore(final AbstractInsnNode currentNode) {
    if (currentNode == null) {
        return false;
    }/*from   w  w w .ja  v  a  2  s .c o m*/
    if ((currentNode.getOpcode() >= Opcodes.ISTORE) && (currentNode.getOpcode() <= Opcodes.ASTORE)) {
        return true;
    }
    if ((currentNode.getOpcode() >= Opcodes.IRETURN) && (currentNode.getOpcode() <= Opcodes.RETURN)) {
        return true;
    }
    return false;
}

From source file:de.tuberlin.uebb.jbop.optimizer.utils.NodeHelper.java

License:Open Source License

/**
 * Checks if node is istor_i./*  w ww .j a  v a2  s  .  c  o m*/
 * 
 * @param node
 *          the node
 * @param i
 *          the i
 * @return true if node is istor_i (-1 for any I_STORE)
 */
public static boolean isIstor(final AbstractInsnNode node, final int i) {
    if (node == null) {
        return false;
    }
    if (node instanceof VarInsnNode) {
        final boolean isIstore = ((VarInsnNode) node).getOpcode() == Opcodes.ISTORE;
        final boolean isRightNumber = ((VarInsnNode) node).var == i || i == CONST_M1;
        return isIstore && isRightNumber;
    }
    return false;
}