Examples of jminusminus.CLEmitter.addNoArgInstruction()

jminusminus.CLEmitter.addNoArgInstruction()

Add a no argument instruction. Following instructions can be added using this method:

Arithmetic Instructions:

 IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL,  LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM,  DREM, INEG, LNEG, FNEG, DNEG

Array Instructions:

 IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD,  SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE,  BASTORE, CASTORE, SASTORE, ARRAYLENGTH

Bit Instructions:

 ISHL, ISHR, IUSHR, LSHL, LSHR, LUSHR, IOR, LOR, IAND, LAND,  IXOR, LXOR

Comparison Instructions:

 DCMPG, DCMPL, FCMPG, FCMPL, LCMP

Conversion Instructions:

 I2B, I2C, I2S, I2L, I2F, I2D, L2F, L2D, L2I, F2D, F2I,  F2L, D2I, D2L, D2F

Load Store Instructions:

 ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, LLOAD_0, LLOAD_1,  LLOAD_2, LLOAD_3, FLOAD_0, FLOAD_1, FLOAD_2, FLOAD_3,  DLOAD_0, DLOAD_1, DLOAD_2, DLOAD_3, ALOAD_0, ALOAD_1,  ALOAD_2, ALOAD_3, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3,  LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, FSTORE_0, FSTORE_1,  FSTORE_2, FSTORE_3, DSTORE_0, DSTORE_1, DSTORE_2, DSTORE_3,  ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ICONST_0, ICONST_1,  ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, LCONST_0,  LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1,  ACONST_NULL, WIDE (added automatically where necesary)

Method Instructions:

 IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN

Stack Instructions:

 POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP

Miscellaneous Instructions:

 NOP, ATHROW, MONITORENTER, MONITOREXIT

The opcodes for instructions are defined in CLConstants class. @param opcode opcode of the instruction.

        e.addLabel("catch");
        e.addNoArgInstruction(ASTORE_1);
        e.addMemberAccessInstruction(GETSTATIC, "java/lang/System", "err",
                "Ljava/io/PrintStream;");
        e.addReferenceInstruction(NEW, "java/lang/StringBuffer");
        e.addNoArgInstruction(DUP);
        e.addMemberAccessInstruction(INVOKESPECIAL, "java/lang/StringBuffer",
                "<init>", "()V");
        e.addLDCInstruction("Invalid number ");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");

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        e.addMemberAccessInstruction(INVOKESPECIAL, "java/lang/StringBuffer",
                "<init>", "()V");
        e.addLDCInstruction("Invalid number ");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        e.addNoArgInstruction(ALOAD_0);
        e.addNoArgInstruction(ICONST_0);
        e.addNoArgInstruction(AALOAD);
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",

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                "<init>", "()V");
        e.addLDCInstruction("Invalid number ");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        e.addNoArgInstruction(ALOAD_0);
        e.addNoArgInstruction(ICONST_0);
        e.addNoArgInstruction(AALOAD);
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "toString", "()Ljava/lang/String;");

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        e.addLDCInstruction("Invalid number ");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        e.addNoArgInstruction(ALOAD_0);
        e.addNoArgInstruction(ICONST_0);
        e.addNoArgInstruction(AALOAD);
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "toString", "()Ljava/lang/String;");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/io/PrintStream",

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        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/lang/StringBuffer",
                "toString", "()Ljava/lang/String;");
        e.addMemberAccessInstruction(INVOKEVIRTUAL, "java/io/PrintStream",
                "println", "(Ljava/lang/String;)V");
        e.addLabel("done");
        e.addNoArgInstruction(RETURN);


        // Write Factorial.class to file system
        e.write();
    }

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        // Add the implicit no-arg constructor LongFactorial()
        accessFlags.clear();
        accessFlags.add("public");
        e.addMethod(accessFlags, "<init>", "()V", null, true);
        e.addNoArgInstruction(ALOAD_0);
        e.addMemberAccessInstruction(INVOKESPECIAL, "java/lang/Object",
                "<init>", "()V");
        e.addNoArgInstruction(RETURN);


        // Add factorial() method to LongFactorial

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        accessFlags.add("public");
        e.addMethod(accessFlags, "<init>", "()V", null, true);
        e.addNoArgInstruction(ALOAD_0);
        e.addMemberAccessInstruction(INVOKESPECIAL, "java/lang/Object",
                "<init>", "()V");
        e.addNoArgInstruction(RETURN);


        // Add factorial() method to LongFactorial
        accessFlags.clear();
        accessFlags.add("public");
        e.addMethod(accessFlags, "factorial", "(J)J", null, true);

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        // Add factorial() method to LongFactorial
        accessFlags.clear();
        accessFlags.add("public");
        e.addMethod(accessFlags, "factorial", "(J)J", null, true);
        e.addNoArgInstruction(LLOAD_1);
        e.addNoArgInstruction(LCONST_1);
        e.addNoArgInstruction(LCMP);
        e.addBranchInstruction(IFGT, "falseLabel");
        e.addNoArgInstruction(LLOAD_1);
        e.addNoArgInstruction(LRETURN);

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        // Add factorial() method to LongFactorial
        accessFlags.clear();
        accessFlags.add("public");
        e.addMethod(accessFlags, "factorial", "(J)J", null, true);
        e.addNoArgInstruction(LLOAD_1);
        e.addNoArgInstruction(LCONST_1);
        e.addNoArgInstruction(LCMP);
        e.addBranchInstruction(IFGT, "falseLabel");
        e.addNoArgInstruction(LLOAD_1);
        e.addNoArgInstruction(LRETURN);
        e.addLabel("falseLabel");

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        accessFlags.clear();
        accessFlags.add("public");
        e.addMethod(accessFlags, "factorial", "(J)J", null, true);
        e.addNoArgInstruction(LLOAD_1);
        e.addNoArgInstruction(LCONST_1);
        e.addNoArgInstruction(LCMP);
        e.addBranchInstruction(IFGT, "falseLabel");
        e.addNoArgInstruction(LLOAD_1);
        e.addNoArgInstruction(LRETURN);
        e.addLabel("falseLabel");
        e.addNoArgInstruction(LLOAD_1);

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