Example usage for org.objectweb.asm.tree InsnList add

Introduction

In this page you can find the example usage for org.objectweb.asm.tree InsnList add.

Prototype

public void add(final InsnList insnList)

Source Link

Document

Adds the given instructions to the end of this list.

Usage

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private InsnList saveState(int state) {
    InsnList il = new InsnList();
    il.add(ASMUtils.loadInt(state));
    il.add(new VarInsnNode(ISTORE, runMethod.LV_RESUME));
    return il;/*from  w ww.  j av  a 2 s.  com*/
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private InsnList _return() {
    InsnList il = new InsnList();
    if (!isSub()) {
        il.add(new InsnNode(RETURN));
    } else {//from  w w  w.  j a  v a2  s .c o m
        il.add(new InsnNode(ACONST_NULL));
        il.add(new InsnNode(ARETURN));
    }
    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private InsnList _nonLocalGoto(Label label) {
    InsnList il = new InsnList();
    int st = resolver.labelStateIndex(label);
    il.add(saveState(st));
    il.add(runMethod.createSnapshot());/*from  w w w  .  jav  a  2 s .c  o  m*/
    il.add(new InsnNode(ARETURN));
    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private InsnList _goto(Label label) {
    InsnList il = new InsnList();
    if (!isSub() || resolver.isLocalLabel(label)) {
        il.add(new JumpInsnNode(GOTO, l(label)));
    } else {//from  ww  w .  jav a  2  s  . com
        il.add(_nonLocalGoto(label));
    }
    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private InsnList _next(Label label) {
    InsnList il = new InsnList();
    if (!isSub() || resolver.isLocalLabel(label)) {
        // no-op// ww  w  .j a v  a2 s. c  o  m
    } else {
        il.add(_nonLocalGoto(label));
    }
    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.ConstructorMethod.java

License:Apache License

public MethodNode methodNode() {

    MethodNode node = new MethodNode(ACC_PUBLIC, "<init>", methodType().getDescriptor(), null, null);

    InsnList il = node.instructions;

    LabelNode begin = new LabelNode();
    LabelNode end = new LabelNode();

    node.localVariables//from ww w.ja va 2  s  . com
            .add(new LocalVariableNode("this", context.thisClassType().getDescriptor(), null, begin, end, 0));

    il.add(begin);

    // superclass constructor
    il.add(new VarInsnNode(ALOAD, 0));
    il.add(new MethodInsnNode(INVOKESPECIAL, context.superClassType().getInternalName(), "<init>",
            Type.getMethodType(Type.VOID_TYPE).getDescriptor(), false));

    // initialise upvalue fields
    int idx = 0;
    for (UpVar uv : context.fn.upvals()) {
        String name = context.getUpvalueFieldName(uv);

        il.add(new VarInsnNode(ALOAD, 0)); // this
        il.add(new VarInsnNode(ALOAD, 1 + idx)); // upvalue #i
        il.add(new FieldInsnNode(PUTFIELD, context.thisClassType().getInternalName(), name,
                Type.getDescriptor(Variable.class)));

        node.localVariables
                .add(new LocalVariableNode(name, Type.getDescriptor(Variable.class), null, begin, end, idx));

        idx++;
    }

    // instantiate fields for closures that have no open upvalues
    for (RunMethod.ClosureFieldInstance cfi : runMethod.closureFields()) {
        context.fields().add(cfi.fieldNode());
        il.add(cfi.instantiateInsns());
    }

    il.add(new InsnNode(RETURN));

    il.add(end);

    node.maxStack = 2;
    node.maxLocals = context.fn.upvals().size() + 1;

    return node;
}

From source file:net.sandius.rembulan.compiler.gen.asm.helpers.BoxedPrimitivesMethods.java

License:Apache License

public static InsnList loadBoxedConstant(Object k, Class<?> castTo) {
    InsnList il = new InsnList();

    if (k == null) {
        il.add(loadNull());
    } else if (k instanceof Boolean) {
        il.add(BoxedPrimitivesMethods.loadBoxedBoolean((Boolean) k));
    } else if (k instanceof Double || k instanceof Float) {
        il.add(ASMUtils.loadDouble(((Number) k).doubleValue()));
        il.add(BoxedPrimitivesMethods.box(Type.DOUBLE_TYPE, Type.getType(Double.class)));
    } else if (k instanceof Number) {
        il.add(ASMUtils.loadLong(((Number) k).longValue()));
        il.add(BoxedPrimitivesMethods.box(Type.LONG_TYPE, Type.getType(Long.class)));
    } else if (k instanceof String) {
        il.add(new LdcInsnNode(k));
    } else {/*from   w  w w  . j  a  v  a2  s  .  c  o m*/
        throw new UnsupportedOperationException("Illegal constant type: " + k.getClass());
    }

    if (castTo != null) {
        Objects.requireNonNull(k);
        if (!castTo.isAssignableFrom(k.getClass())) {
            il.add(new TypeInsnNode(CHECKCAST, Type.getInternalName(castTo)));
        }
    }

    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.helpers.ConversionMethods.java

License:Apache License

public static InsnList toNumericalValue(String what) {
    Objects.requireNonNull(what);
    InsnList il = new InsnList();

    il.add(new LdcInsnNode(what));
    il.add(new MethodInsnNode(INVOKESTATIC, Type.getInternalName(Conversions.class), "toNumericalValue",
            Type.getMethodDescriptor(Type.getType(Number.class), Type.getType(Object.class),
                    Type.getType(String.class)),
            false));/*from w  w  w .  j a  va 2  s  .  c o m*/

    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.helpers.ExecutionContextMethods.java

License:Apache License

public static InsnList newTable(int array, int hash) {
    InsnList il = new InsnList();

    il.add(ASMUtils.loadInt(array));
    il.add(ASMUtils.loadInt(hash));/*from   w w w.  j  a v  a 2  s.co m*/

    il.add(new MethodInsnNode(INVOKEINTERFACE, selfTpe().getInternalName(), "newTable",
            Type.getMethodType(Type.getType(Table.class), Type.INT_TYPE, Type.INT_TYPE).getDescriptor(), true));

    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.helpers.ReturnBufferMethods.java

License:Apache License

public static InsnList get(int index) {
    Check.nonNegative(index);/*  w w w .  j  a  v a2s.com*/

    InsnList il = new InsnList();

    if (index <= 4) {
        String methodName = "get" + index;
        il.add(new MethodInsnNode(INVOKEINTERFACE, selfTpe().getInternalName(), methodName,
                Type.getMethodType(Type.getType(Object.class)).getDescriptor(), true));
    } else {
        il.add(ASMUtils.loadInt(index));
        il.add(get());
    }

    return il;
}