Examples of org.objectweb.asm.MethodVisitor.visitLdcInsn()

org.objectweb.asm.MethodVisitor.visitLdcInsn()
Visits a LDC instruction. @param cst the constant to be loaded on the stack. This parameter must bea non null {@link Integer}, a {@link Float}, a {@link Long}, a {@link Double} a {@link String} (or a {@link Type} for.class constants, for classes whose version is 49.0 or more).

    mv.visitCode();


    mv.visitVarInsn(ALOAD, 0);
    if (exported) {
      mv.visitLdcInsn(module_name);
      mv.visitLdcInsn(function_name);
      mv.visitMethodInsn(INVOKESPECIAL, super_class_name, "<init>",
          "(Ljava/lang/String;Ljava/lang/String;)V");
    } else {
      mv.visitMethodInsn(INVOKESPECIAL, super_class_name, "<init>", "()V");
    }

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        CompilerVisitor.make_invoketail_method(cw, self_type, arity, 0);


        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "arity", "()I", null, null);
        mv.visitCode();
        mv.visitLdcInsn(new Integer(arity));
        mv.visitInsn(Opcodes.IRETURN);
        mv.visitMaxs(2, 2);
        mv.visitEnd();


        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke", "("

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        mv.visitJumpInsn(IFNONNULL, notNull); // If not null go to not null
        // Null branch - throw the exception
        mv.visitLabel(isNull);
        mv.visitTypeInsn(NEW, "java/lang/RuntimeException");
        mv.visitInsn(DUP);
        mv.visitLdcInsn("No service available");
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V");
        mv.visitInsn(ATHROW);
        // End of the null branch


        // Not null, go one the execution

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      mv.visitInsn(DUP);
      mv.visitInsn(ICONST_1);
      mv.visitIntInsn(NEWARRAY, T_DOUBLE);
      mv.visitInsn(DUP);
      mv.visitInsn(ICONST_0);
      mv.visitLdcInsn(new Double("42.0"));
      mv.visitInsn(DASTORE);
      mv.visitMethodInsn(INVOKESPECIAL, "org/renjin/eval/DoubleVector", "<init>", "([D)V");
      mv.visitTypeInsn(NEW, "org/renjin/eval/DoubleVector");
      mv.visitInsn(DUP);
      mv.visitInsn(ICONST_1);

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            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, compiledHelperName, "rule", "Lorg/jboss/byteman/rule/Rule;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "org/jboss/byteman/rule/Rule", "getName", "()Ljava/lang/String;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
            mv.visitLdcInsn(" execute()");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
            // end if
            mv.visitLabel(l0);

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                }
                if (binding.isHelper()) {
                    // bindingMap.put(name, this);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);
                } else if (binding.isRecipient()) {
                    // bindingMap.put(name, recipient);

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                    mv.visitInsn(POP);
                } else if (binding.isRecipient()) {
                    // bindingMap.put(name, recipient);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 1);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);
                // } else if (binding.isParam() || binding.isLocalVar() || binding.isReturn() ||
                //             binding.isThrowable() || binding.isParamCount() || binding.isParamArray()) {

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                //             binding.isThrowable() || binding.isParamCount() || binding.isParamArray()) {
                } else if (!binding.isBindVar()) {
                    // bindingMap.put(name, args[binding.getCallArrayIndex()]);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 2);
                    mv.visitLdcInsn(binding.getCallArrayIndex());
                    mv.visitInsn(AALOAD);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);

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                    // bindingMap.put(name, args[binding.getCallArrayIndex()]);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                    mv.visitLdcInsn(name);
                    mv.visitVarInsn(ALOAD, 2);
                    mv.visitLdcInsn(binding.getCallArrayIndex());
                    mv.visitInsn(AALOAD);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
                    mv.visitInsn(POP);
                }
            }

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                    if (!binding.isBindVar()) {
                        int idx = binding.getCallArrayIndex();
                        // Object value = bindingMap.get(name);
                        // args[idx] = value;
                        mv.visitVarInsn(ALOAD, 2); // args
                        mv.visitLdcInsn(idx);
                        mv.visitVarInsn(ALOAD, 0);
                        mv.visitFieldInsn(GETFIELD, compiledHelperName, "bindingMap", "Ljava/util/HashMap;");
                        mv.visitLdcInsn(name);
                        mv.visitMethodInsn(INVOKEVIRTUAL, "java/util/HashMap", "get", "(Ljava/lang/Object;)Ljava/lang/Object;");
                        mv.visitInsn(AASTORE);

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