code: // ASM: a very small and fast Java bytecode manipulation framework
  // Copyright (c) 2000-2011 INRIA, France Telecom
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  //
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  //    this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  // THE POSSIBILITY OF SUCH DAMAGE.
  package clojure.asm;
  
  /**
   * The JVM opcodes, access flags and array type codes. This interface does not define all the JVM
   * opcodes because some opcodes are automatically handled. For example, the xLOAD and xSTORE opcodes
   * are automatically replaced by xLOAD_n and xSTORE_n opcodes when possible. The xLOAD_n and
   * xSTORE_n opcodes are therefore not defined in this interface. Likewise for LDC, automatically
   * replaced by LDC_W or LDC2_W when necessary, WIDE, GOTO_W and JSR_W.
   *
   * @see <a href="https://docs.oracle.com/javase/specs/jvms/se11/html/jvms-6.html">JVMS 6</a>
   * @author Eric Bruneton
   * @author Eugene Kuleshov
   */
  public interface Opcodes {
  
    // ASM API versions.
  
    int ASM4 = 4 << 16 | 0 << 8;
    int ASM5 = 5 << 16 | 0 << 8;
    int ASM6 = 6 << 16 | 0 << 8;
  
    /**
     * <b>Experimental, use at your own risk. This field will be renamed when it becomes stable, this
     * will break existing code using it</b>.
     *
     * @deprecated This API is experimental.
     */
    @Deprecated int ASM7_EXPERIMENTAL = 1 << 24 | 7 << 16 | 0 << 8;
  
    // Java ClassFile versions (the minor version is stored in the 16 most
    // significant bits, and the
    // major version in the 16 least significant bits).
  
    int V1_1 = 3 << 16 | 45;
    int V1_2 = 0 << 16 | 46;
    int V1_3 = 0 << 16 | 47;
    int V1_4 = 0 << 16 | 48;
    int V1_5 = 0 << 16 | 49;
    int V1_6 = 0 << 16 | 50;
    int V1_7 = 0 << 16 | 51;
    int V1_8 = 0 << 16 | 52;
    int V9 = 0 << 16 | 53;
    int V10 = 0 << 16 | 54;
    int V11 = 0 << 16 | 55;
  
    /**
     * Version flag indicating that the class is using 'preview' features.
     *
     * <p>{@code version & V_PREVIEW_EXPERIMENTAL == V_PREVIEW_EXPERIMENTAL} tests if a version is
     * flagged with {@code V_PREVIEW_EXPERIMENTAL}.
     *
     * @deprecated This API is experimental.
     */
    @Deprecated int V_PREVIEW_EXPERIMENTAL = 0xFFFF0000;
  
    // Access flags values, defined in
    // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.1-200-E.1
    // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.5-200-A.1
    // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.6-200-A.1
    // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.7.25
  
    int ACC_PUBLIC = 0x0001; // class, field, method
    int ACC_PRIVATE = 0x0002; // class, field, method
    int ACC_PROTECTED = 0x0004; // class, field, method
    int ACC_STATIC = 0x0008; // field, method
    int ACC_FINAL = 0x0010; // class, field, method, parameter
    int ACC_SUPER = 0x0020; // class
    int ACC_SYNCHRONIZED = 0x0020; // method
    int ACC_OPEN = 0x0020; // module
    int ACC_TRANSITIVE = 0x0020; // module requires
    int ACC_VOLATILE = 0x0040; // field
    int ACC_BRIDGE = 0x0040; // method
    int ACC_STATIC_PHASE = 0x0040; // module requires
    int ACC_VARARGS = 0x0080; // method
    int ACC_TRANSIENT = 0x0080; // field
    int ACC_NATIVE = 0x0100; // method
    int ACC_INTERFACE = 0x0200; // class
    int ACC_ABSTRACT = 0x0400; // class, method
    int ACC_STRICT = 0x0800; // method
    int ACC_SYNTHETIC = 0x1000; // class, field, method, parameter, module *
    int ACC_ANNOTATION = 0x2000; // class
    int ACC_ENUM = 0x4000; // class(?) field inner
    int ACC_MANDATED = 0x8000; // parameter, module, module *
    int ACC_MODULE = 0x8000; // class
  
    // ASM specific access flags.
    // WARNING: the 16 least significant bits must NOT be used, to avoid conflicts with standard
    // access flags, and also to make sure that these flags are automatically filtered out when
    // written in class files (because access flags are stored using 16 bits only).
  
    int ACC_DEPRECATED = 0x20000; // class, field, method
  
    // Possible values for the type operand of the NEWARRAY instruction.
    // See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-6.html#jvms-6.5.newarray.
  
    int T_BOOLEAN = 4;
    int T_CHAR = 5;
    int T_FLOAT = 6;
    int T_DOUBLE = 7;
    int T_BYTE = 8;
    int T_SHORT = 9;
    int T_INT = 10;
    int T_LONG = 11;
  
    // Possible values for the reference_kind field of CONSTANT_MethodHandle_info structures.
    // See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.4.8.
  
    int H_GETFIELD = 1;
    int H_GETSTATIC = 2;
    int H_PUTFIELD = 3;
    int H_PUTSTATIC = 4;
    int H_INVOKEVIRTUAL = 5;
    int H_INVOKESTATIC = 6;
    int H_INVOKESPECIAL = 7;
    int H_NEWINVOKESPECIAL = 8;
    int H_INVOKEINTERFACE = 9;
  
    // ASM specific stack map frame types, used in {@link ClassVisitor#visitFrame}.
  
    /** An expanded frame. See {@link ClassReader#EXPAND_FRAMES}. */
    int F_NEW = -1;
  
    /** A compressed frame with complete frame data. */
    int F_FULL = 0;
  
    /**
     * A compressed frame where locals are the same as the locals in the previous frame, except that
     * additional 1-3 locals are defined, and with an empty stack.
     */
    int F_APPEND = 1;
  
    /**
     * A compressed frame where locals are the same as the locals in the previous frame, except that
     * the last 1-3 locals are absent and with an empty stack.
     */
    int F_CHOP = 2;
  
    /**
     * A compressed frame with exactly the same locals as the previous frame and with an empty stack.
     */
    int F_SAME = 3;
  
    /**
     * A compressed frame with exactly the same locals as the previous frame and with a single value
     * on the stack.
     */
    int F_SAME1 = 4;
  
    // Standard stack map frame element types, used in {@link ClassVisitor#visitFrame}.
  
    Integer TOP = Frame.ITEM_TOP;
    Integer INTEGER = Frame.ITEM_INTEGER;
    Integer FLOAT = Frame.ITEM_FLOAT;
    Integer DOUBLE = Frame.ITEM_DOUBLE;
    Integer LONG = Frame.ITEM_LONG;
    Integer NULL = Frame.ITEM_NULL;
    Integer UNINITIALIZED_THIS = Frame.ITEM_UNINITIALIZED_THIS;
  
    // The JVM opcode values (with the MethodVisitor method name used to visit them in comment, and
    // where '-' means 'same method name as on the previous line').
    // See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-6.html.
  
    int NOP = 0; // visitInsn
    int ACONST_NULL = 1; // -
    int ICONST_M1 = 2; // -
    int ICONST_0 = 3; // -
    int ICONST_1 = 4; // -
    int ICONST_2 = 5; // -
    int ICONST_3 = 6; // -
    int ICONST_4 = 7; // -
    int ICONST_5 = 8; // -
    int LCONST_0 = 9; // -
    int LCONST_1 = 10; // -
    int FCONST_0 = 11; // -
    int FCONST_1 = 12; // -
    int FCONST_2 = 13; // -
    int DCONST_0 = 14; // -
    int DCONST_1 = 15; // -
    int BIPUSH = 16; // visitIntInsn
    int SIPUSH = 17; // -
    int LDC = 18; // visitLdcInsn
    int ILOAD = 21; // visitVarInsn
    int LLOAD = 22; // -
    int FLOAD = 23; // -
    int DLOAD = 24; // -
    int ALOAD = 25; // -
    int IALOAD = 46; // visitInsn
    int LALOAD = 47; // -
    int FALOAD = 48; // -
    int DALOAD = 49; // -
    int AALOAD = 50; // -
    int BALOAD = 51; // -
    int CALOAD = 52; // -
    int SALOAD = 53; // -
    int ISTORE = 54; // visitVarInsn
    int LSTORE = 55; // -
    int FSTORE = 56; // -
    int DSTORE = 57; // -
    int ASTORE = 58; // -
    int IASTORE = 79; // visitInsn
    int LASTORE = 80; // -
    int FASTORE = 81; // -
    int DASTORE = 82; // -
    int AASTORE = 83; // -
    int BASTORE = 84; // -
    int CASTORE = 85; // -
    int SASTORE = 86; // -
    int POP = 87; // -
    int POP2 = 88; // -
    int DUP = 89; // -
    int DUP_X1 = 90; // -
    int DUP_X2 = 91; // -
    int DUP2 = 92; // -
    int DUP2_X1 = 93; // -
    int DUP2_X2 = 94; // -
    int SWAP = 95; // -
    int IADD = 96; // -
    int LADD = 97; // -
    int FADD = 98; // -
    int DADD = 99; // -
    int ISUB = 100; // -
    int LSUB = 101; // -
    int FSUB = 102; // -
    int DSUB = 103; // -
    int IMUL = 104; // -
    int LMUL = 105; // -
    int FMUL = 106; // -
    int DMUL = 107; // -
    int IDIV = 108; // -
    int LDIV = 109; // -
    int FDIV = 110; // -
    int DDIV = 111; // -
    int IREM = 112; // -
    int LREM = 113; // -
    int FREM = 114; // -
    int DREM = 115; // -
    int INEG = 116; // -
    int LNEG = 117; // -
    int FNEG = 118; // -
    int DNEG = 119; // -
    int ISHL = 120; // -
    int LSHL = 121; // -
    int ISHR = 122; // -
    int LSHR = 123; // -
    int IUSHR = 124; // -
    int LUSHR = 125; // -
    int IAND = 126; // -
    int LAND = 127; // -
    int IOR = 128; // -
    int LOR = 129; // -
    int IXOR = 130; // -
    int LXOR = 131; // -
    int IINC = 132; // visitIincInsn
    int I2L = 133; // visitInsn
    int I2F = 134; // -
    int I2D = 135; // -
    int L2I = 136; // -
    int L2F = 137; // -
    int L2D = 138; // -
    int F2I = 139; // -
    int F2L = 140; // -
    int F2D = 141; // -
    int D2I = 142; // -
    int D2L = 143; // -
    int D2F = 144; // -
    int I2B = 145; // -
    int I2C = 146; // -
    int I2S = 147; // -
    int LCMP = 148; // -
    int FCMPL = 149; // -
    int FCMPG = 150; // -
    int DCMPL = 151; // -
    int DCMPG = 152; // -
    int IFEQ = 153; // visitJumpInsn
    int IFNE = 154; // -
    int IFLT = 155; // -
    int IFGE = 156; // -
    int IFGT = 157; // -
    int IFLE = 158; // -
    int IF_ICMPEQ = 159; // -
    int IF_ICMPNE = 160; // -
    int IF_ICMPLT = 161; // -
    int IF_ICMPGE = 162; // -
    int IF_ICMPGT = 163; // -
    int IF_ICMPLE = 164; // -
    int IF_ACMPEQ = 165; // -
    int IF_ACMPNE = 166; // -
    int GOTO = 167; // -
    int JSR = 168; // -
    int RET = 169; // visitVarInsn
    int TABLESWITCH = 170; // visiTableSwitchInsn
    int LOOKUPSWITCH = 171; // visitLookupSwitch
    int IRETURN = 172; // visitInsn
    int LRETURN = 173; // -
    int FRETURN = 174; // -
    int DRETURN = 175; // -
    int ARETURN = 176; // -
    int RETURN = 177; // -
    int GETSTATIC = 178; // visitFieldInsn
    int PUTSTATIC = 179; // -
    int GETFIELD = 180; // -
    int PUTFIELD = 181; // -
    int INVOKEVIRTUAL = 182; // visitMethodInsn
    int INVOKESPECIAL = 183; // -
    int INVOKESTATIC = 184; // -
    int INVOKEINTERFACE = 185; // -
    int INVOKEDYNAMIC = 186; // visitInvokeDynamicInsn
    int NEW = 187; // visitTypeInsn
    int NEWARRAY = 188; // visitIntInsn
    int ANEWARRAY = 189; // visitTypeInsn
    int ARRAYLENGTH = 190; // visitInsn
    int ATHROW = 191; // -
    int CHECKCAST = 192; // visitTypeInsn
    int INSTANCEOF = 193; // -
    int MONITORENTER = 194; // visitInsn
    int MONITOREXIT = 195; // -
    int MULTIANEWARRAY = 197; // visitMultiANewArrayInsn
    int IFNULL = 198; // visitJumpInsn
    int IFNONNULL = 199; // -
  }
  