Package javassist.bytecode

Examples of javassist.bytecode.Bytecode.addLdc()

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                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // aload_0
    code.addAload(0);
    // ldc // field name
    code.addLdc(finfo.getName());
    // aload_0
    code.addAload(0);
    // getfield // old value of the field
    code.addOpcode(Opcode.GETFIELD);
    code.addIndex(base_field_index);
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                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // aload_0
    code.addAload(0);
    // ldc // name of the field
    code.addLdc(finfo.getName());
    // *load_1 // each type
    addTypeDependDataLoad(code, finfo.getDescriptor(), 1);
    // invokeinterface // invoke Callback.read*() // each type
    addInvokeFieldHandlerMethod(classfile, code, finfo.getDescriptor(),
                                true);
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                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // aload_0
    code.addAload(0);
    // ldc // name of the field
    code.addLdc(finfo.getName());
    // *load_1 // each type
    addTypeDependDataLoad(code, finfo.getDescriptor(), 1);
    // invokeinterface // invoke Callback.read*() // each type
    addInvokeFieldHandlerMethod(classfile, code, finfo.getDescriptor(),
                                true);
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                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // aload_0
    code.addAload(0);
    // ldc // field name
    code.addLdc(finfo.getName());
    // aload_0
    code.addAload(0);
    // getfield // old value of the field
    code.addOpcode(Opcode.GETFIELD);
    code.addIndex(base_field_index);
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                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // aload_0
    code.addAload(0);
    // ldc // name of the field
    code.addLdc(finfo.getName());
    // *load_1 // each type
    addTypeDependDataLoad(code, finfo.getDescriptor(), 1);
    // invokeinterface // invoke Callback.read*() // each type
    addInvokeFieldHandlerMethod(classfile, code, finfo.getDescriptor(),
                                true);
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                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // aload_0
    code.addAload(0);
    // ldc // field name
    code.addLdc(finfo.getName());
    // aload_0
    code.addAload(0);
    // getfield // old value of the field
    code.addOpcode(Opcode.GETFIELD);
    code.addIndex(base_field_index);
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                if (!classFile.getName().startsWith("java.") && !classFile.getName().startsWith("com.sun") && !classFile.getName().startsWith("sun")) {
                    //now we need to check if this is a fakereplace class
                    //and if so always delegate to the appropriate loader
                    b.addAload(1);
                    b.addLdc("org.fakereplace");
                    b.addInvokevirtual(String.class.getName(), "startsWith", "(Ljava/lang/String;)Z");
                    b.add(Opcode.IFEQ);
                    JumpMarker notFakereplace = JumpUtils.addJumpInstruction(b);
                    //so this is a fakereplace class, delegate to the system loader
                    b.addInvokestatic(ClassLoader.class.getName(), "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
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*/
public class PrintLn {
    public static Bytecode println(ConstPool cp, String message) {
        Bytecode proxyBytecode = new Bytecode(cp);
        proxyBytecode.addGetstatic("java/lang/System", "out", "Ljava/io/PrintStream;");
        proxyBytecode.addLdc(message);
        proxyBytecode.addInvokevirtual("java.io.PrintStream", "println", "(Ljava/lang/String;)V");
        return proxyBytecode;
    }

    public static void println(Bytecode proxyBytecode, String message) {
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                        // lets append our code to the top
                        // first create the stuff inside the coditionals

                        Bytecode run = new Bytecode(file.getConstPool());
                        run.add(Opcode.ALOAD_0);
                        run.addLdc(method.getName());
                        run.addLdc(method.getDescriptor());
                        String[] params = DescriptorUtils.descriptorStringToParameterArray(method.getDescriptor());
                        int count = 1;
                        for (int i = 0; i < params.length; ++i) {
                            if (params[i].length() > 1) {
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                        // first create the stuff inside the coditionals

                        Bytecode run = new Bytecode(file.getConstPool());
                        run.add(Opcode.ALOAD_0);
                        run.addLdc(method.getName());
                        run.addLdc(method.getDescriptor());
                        String[] params = DescriptorUtils.descriptorStringToParameterArray(method.getDescriptor());
                        int count = 1;
                        for (int i = 0; i < params.length; ++i) {
                            if (params[i].length() > 1) {
                                run.addAload(count);
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