Example usage for org.objectweb.asm MethodVisitor visitInsn

Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitInsn.

Prototype

public void visitInsn(final int opcode)

Source Link

Document

Visits a zero operand instruction.

Usage

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type ldc(final MethodVisitor method, final Object c) {
    assert c instanceof Integer;

    final int value = ((Integer) c);

    switch (value) {
    case -1:/*from  www .j  ava 2  s.  c o  m*/
        method.visitInsn(ICONST_M1);
        break;
    case 0:
        method.visitInsn(ICONST_0);
        break;
    case 1:
        method.visitInsn(ICONST_1);
        break;
    case 2:
        method.visitInsn(ICONST_2);
        break;
    case 3:
        method.visitInsn(ICONST_3);
        break;
    case 4:
        method.visitInsn(ICONST_4);
        break;
    case 5:
        method.visitInsn(ICONST_5);
        break;
    default:
        if (value == (byte) value) {
            method.visitIntInsn(BIPUSH, value);
        } else if (value == (short) value) {
            method.visitIntInsn(SIPUSH, value);
        } else {
            method.visitLdcInsn(c);
        }
        break;
    }

    return Type.INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type convert(final MethodVisitor method, final Type to) {
    if (to.isEquivalentTo(this)) {
        return to;
    }/* ww w . j  a va2  s.c  o  m*/

    if (to.isNumber()) {
        method.visitInsn(I2D);
    } else if (to.isLong()) {
        method.visitInsn(I2L);
    } else if (to.isBoolean()) {
        //nop
    } else if (to.isString()) {
        invokestatic(method, TO_STRING);
    } else if (to.isObject()) {
        invokestatic(method, VALUE_OF);
    } else {
        throw new UnsupportedOperationException("Illegal conversion " + this + " -> " + to);
    }

    return to;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type add(final MethodVisitor method, final int programPoint) {
    if (programPoint == INVALID_PROGRAM_POINT) {
        method.visitInsn(IADD);
    } else {/*ww  w.  jav  a2 s . c  o  m*/
        method.visitInvokeDynamicInsn("iadd", "(II)I", MATHBOOTSTRAP, programPoint);
    }
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type shr(final MethodVisitor method) {
    method.visitInsn(IUSHR);
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type sar(final MethodVisitor method) {
    method.visitInsn(ISHR);
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type shl(final MethodVisitor method) {
    method.visitInsn(ISHL);
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type and(final MethodVisitor method) {
    method.visitInsn(IAND);
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type or(final MethodVisitor method) {
    method.visitInsn(IOR);
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type xor(final MethodVisitor method) {
    method.visitInsn(IXOR);
    return INT;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.IntType.java

License:Open Source License

@Override
public Type sub(final MethodVisitor method, final int programPoint) {
    if (programPoint == INVALID_PROGRAM_POINT) {
        method.visitInsn(ISUB);
    } else {/*from  ww w. j a va2  s  . c om*/
        method.visitInvokeDynamicInsn("isub", "(II)I", MATHBOOTSTRAP, programPoint);
    }
    return INT;
}