Package xyz.cofe.trambda.bc.mth

Class MInsn

  • All Implemented Interfaces:
    Serializable, xyz.cofe.collection.ImTree<ByteCode>, xyz.cofe.collection.ImTreeWalk<ByteCode>, ByteCode, MethodByteCode, MethodWriter
    public class MInsn
extends MAbstractBC
implements MethodWriter
    Простая инструкция the opcode of the instruction to be visited. This opcode is either
    Мнемоника Код Параметры Стек Описание
    NOP 00 [No change] perform no operation
    ACONST_NULL 01 → null push a null reference onto the stack
    ICONST_M1 02 → -1 load the int value −1 onto the stack
    ICONST_0 03 → 0 load the int value 0 onto the stack
    ICONST_1 04 → 1 load the int value 1 onto the stack
    ICONST_2 05 → 2 load the int value 2 onto the stack
    ICONST_3 06 → 3 load the int value 3 onto the stack
    ICONST_4 07 → 4 load the int value 4 onto the stack
    ICONST_5 08 → 5 load the int value 5 onto the stack
    LCONST_0 09 → 0L push 0L (the number zero with type long) onto the stack
    LCONST_1 0a → 1L push 1L (the number one with type long) onto the stack
    FCONST_0 0b → 0.0f push 0.0f on the stack
    FCONST_1 0c → 1.0f push 1.0f on the stack
    FCONST_2 0d → 2.0f push 2.0f on the stack
    DCONST_0 0e → 0.0 push 0.0 (double) on the stack
    DCONST_1 0f → 1.0 push 1.0 (double) on the stack
    IALOAD 2e arrayref, index → value load an int from an array
    LALOAD 2f arrayref, index → value load a long from an array
    FALOAD 30 arrayref, index → value load a float from an array
    DALOAD 31 arrayref, index → value load a double from an array
    AALOAD 32 arrayref, index → value load onto the stack a reference from an array
    BALOAD 33 arrayref, index → value load a byte or Boolean value from an array
    CALOAD 34 arrayref, index → value load a char from an array
    SALOAD 35 arrayref, index → value load short from array
    IASTORE 4f arrayref, index, value → store an int into an array
    LASTORE 50 arrayref, index, value → store a long to an array
    FASTORE 51 arrayref, index, value → store a float in an array
    DASTORE 52 arrayref, index, value → store a double into an array
    AASTORE 53 arrayref, index, value → store a reference in an array
    BASTORE 54 arrayref, index, value → store a byte or Boolean value into an array
    CASTORE 55 arrayref, index, value → store a char into an array
    SASTORE 56 arrayref, index, value → store short to array
    POP 57 value → discard the top value on the stack
    POP2 58 {value2, value1} → discard the top two values on the stack (or one value, if it is a double or long)
    DUP 59 value → value, value duplicate the value on top of the stack
    DUP_X1 5a value2, value1 → value1, value2, value1 insert a copy of the top value into the stack two values from the top. value1 and value2 must not be of the type double or long.
    DUP_X2 5b value3, value2, value1 → value1, value3, value2, value1 insert a copy of the top value into the stack two (if value2 is double or long it takes up the entry of value3, too) or three values (if value2 is neither double nor long) from the top
    DUP2 5c {value2, value1} → {value2, value1}, {value2, value1} duplicate top two stack words (two values, if value1 is not double nor long; a single value, if value1 is double or long)
    DUP2_X1 5d value3, {value2, value1} → {value2, value1}, value3, {value2, value1} duplicate two words and insert beneath third word (see explanation above)
    DUP2_X2 5e {value4, value3}, {value2, value1} → {value2, value1}, {value4, value3}, {value2, value1} duplicate two words and insert beneath fourth word
    SWAP 5f value2, value1 → value1, value2 swaps two top words on the stack (note that value1 and value2 must not be double or long)
    IADD 60 value1, value2 → result add two ints
    LADD 61 value1, value2 → result add two longs
    FADD 62 value1, value2 → result add two floats
    DADD 63 value1, value2 → result add two doubles
    ISUB 64 value1, value2 → result int subtract
    LSUB 65 value1, value2 → result subtract two longs
    FSUB 66 value1, value2 → result subtract two floats
    DSUB 67 value1, value2 → result subtract a double from another
    IMUL 68 value1, value2 → result multiply two integers
    LMUL 69 value1, value2 → result multiply two longs
    FMUL 6a value1, value2 → result multiply two floats
    DMUL 6b value1, value2 → result multiply two doubles
    IDIV 6c value1, value2 → result divide two integers
    LDIV 6d value1, value2 → result divide two longs
    FDIV 6e value1, value2 → result divide two floats
    DDIV 6f value1, value2 → result divide two doubles
    IREM 70 value1, value2 → result logical int remainder
    LREM 71 value1, value2 → result remainder of division of two longs
    FREM 72 value1, value2 → result get the remainder from a division between two floats
    DREM 73 value1, value2 → result get the remainder from a division between two doubles
    INEG 74 value → result negate int
    LNEG 75 value → result negate a long
    FNEG 76 value → result negate a float
    DNEG 74 value → result negate a double
    ISHL 78 value1, value2 → result int shift left
    LSHL 79 value1, value2 → result bitwise shift left of a long value1 by int value2 positions
    ISHR 7a value1, value2 → result int arithmetic shift right
    LSHR 7b value1, value2 → result bitwise shift right of a long value1 by int value2 positions
    IUSHR 7c value1, value2 → result int logical shift right
    LUSHR 7d value1, value2 → result bitwise shift right of a long value1 by int value2 positions, unsigned
    IAND 7e value1, value2 → result perform a bitwise AND on two integers
    LAND 7f value1, value2 → result bitwise AND of two longs
    IOR 80 value1, value2 → result bitwise int OR
    LOR 81 value1, value2 → result bitwise OR of two longs
    IXOR 82 value1, value2 → result int xor
    LXOR 83 value1, value2 → result bitwise XOR of two longs
    I2L 85 value → result convert an int into a long
    I2F 86 value → result convert an int into a float
    I2D 87 value → result convert an int into a double
    L2I 88 value → result convert an long into a int
    L2F 89 value → result convert an long into a float
    L2D 8a value → result convert an long into a double
    F2I 8b value → result convert an float into a int
    F2L 8c value → result convert an float into a long
    F2D 8d value → result convert an float into a double
    D2I 8e value → result convert an double into a int
    D2L 8f value → result convert an double into a long
    D2F 90 value → result convert an double into a float
    I2B 91 value → result convert an int into a byte
    I2C 92 value → result convert an int into a character
    I2S 93 value → result convert an int into a short
    LCMP 94 value1, value2 → result push 0 if the two longs are the same, 1 if value1 is greater than value2, -1 otherwise
    FCMPL 95 value1, value2 → result compare two floats, -1 on NaN
    FCMPG 96 value1, value2 → result compare two floats, 1 on NaN
    DCMPL 97 value1, value2 → result compare two doubles, -1 on NaN
    DCMPG 98 value1, value2 → result compare two doubles, 1 on NaN
    IRETURN ac value → [empty] return an integer from a method
    LRETURN ad value → [empty] return a long value
    FRETURN ae value → [empty] return a float
    DRETURN af value → [empty] return a double from a method
    ARETURN b0 objectref → [empty] return a reference from a method
    RETURN b1 → [empty] return void from method
    ARRAYLENGTH be arrayref → length get the length of an array
    ATHROW bf objectref → [empty], objectref throws an error or exception (notice that the rest of the stack is cleared, leaving only a reference to the Throwable)
    MONITORENTER c2 objectref → enter monitor for object ("grab the lock" – start of synchronized() section)
    MONITOREXIT c3 objectref → exit monitor for object ("release the lock" – end of synchronized() section)
    See Also:
    Serialized Form

    • Constructor Detail

      • MInsn

        public MInsn()
        Конструктор по умолчанию

      • MInsn

        public MInsn​(int op)

      • MInsn

        public MInsn​(MInsn sample)
        Конструктор копирования
        Parameters:
        sample - образец