Example usage for org.objectweb.asm Opcodes FLOAD

Introduction

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

Prototype

int FLOAD

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

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Usage

From source file:v6.java.preverifier.PreverifierMethodNode.java

License:Open Source License

/**
 * Return a boolean indicating whether the specified opcode is
 * a floating point Opcodes./*www.  ja v  a2  s . c  o m*/
 * 
 * @param opcode
 * @return
 */
private boolean isFloatingPointOpcode(int opcode) {
    boolean isFloatingPointOpcode = false;

    switch (opcode) {
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
    case Opcodes.FLOAD:
    case Opcodes.DLOAD:
    case Opcodes.FSTORE:
    case Opcodes.DSTORE:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.FADD:
    case Opcodes.DADD:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
    case Opcodes.FREM:
    case Opcodes.DREM:
    case Opcodes.FNEG:
    case Opcodes.DNEG:
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.I2F:
    case Opcodes.F2I:
    case Opcodes.I2D:
    case Opcodes.D2I:
    case Opcodes.L2F:
    case Opcodes.L2D:
    case Opcodes.F2L:
    case Opcodes.D2L:
    case Opcodes.F2D:
    case Opcodes.D2F:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
        isFloatingPointOpcode = true;
        break;
    }

    return isFloatingPointOpcode;
}

From source file:vazkii.quark.base.asm.ClassTransformer.java

License:Creative Commons License

private static byte[] transformRenderBoat(byte[] basicClass) {
    log("Transforming RenderBoat");
    MethodSignature sig = new MethodSignature("doRender", "func_188300_b", "b",
            "(Lnet/minecraft/entity/item/EntityBoat;DDDFF)V");

    return transform(basicClass, Pair.of(sig, combine((AbstractInsnNode node) -> { // Filter
        return (node.getOpcode() == Opcodes.INVOKEVIRTUAL || node.getOpcode() == Opcodes.INVOKEINTERFACE)
                && checkDesc(((MethodInsnNode) node).desc, "(Lnet/minecraft/entity/Entity;FFFFFF)V");
    }, (MethodNode method, AbstractInsnNode node) -> { // Action
        InsnList newInstructions = new InsnList();

        newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 1));
        newInstructions.add(new VarInsnNode(Opcodes.FLOAD, 9));
        newInstructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ASM_HOOKS, "renderBannerOnBoat",
                "(Lnet/minecraft/entity/item/EntityBoat;F)V"));

        method.instructions.insert(node, newInstructions);
        return true;
    })));/*from   w w  w.  j a  v  a 2  s.co m*/
}

From source file:vazkii.quark.base.asm.ClassTransformer.java

License:Creative Commons License

private static byte[] transformRender(byte[] basicClass) {
    log("Transforming Render");

    MethodSignature sig = new MethodSignature("renderEntityOnFire", "func_76977_a", "a",
            "(Lnet/minecraft/entity/Entity;DDDF)V");

    return transform(basicClass, Pair.of(sig, combine((AbstractInsnNode node) -> { // Filter
        return true;
    }, (MethodNode method, AbstractInsnNode node) -> { // Action
        InsnList newInstructions = new InsnList();

        newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 1));
        newInstructions.add(new VarInsnNode(Opcodes.DLOAD, 2));
        newInstructions.add(new VarInsnNode(Opcodes.DLOAD, 4));
        newInstructions.add(new VarInsnNode(Opcodes.DLOAD, 6));
        newInstructions.add(new VarInsnNode(Opcodes.FLOAD, 8));
        newInstructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ASM_HOOKS, "renderFire",
                "(Lnet/minecraft/entity/Entity;DDDF)Z"));
        LabelNode label = new LabelNode();
        newInstructions.add(new JumpInsnNode(Opcodes.IFEQ, label));
        newInstructions.add(new InsnNode(Opcodes.RETURN));
        newInstructions.add(label);/*from w w  w .  j  a va2s.  c om*/

        method.instructions.insertBefore(node, newInstructions);
        return true;
    })));
}