usr/src/cmd/pc0/pcops.h

/* Copyright (c) 1979 Regents of the University of California */

/* static       char sccsid[] = "@(#)pcops.h 1.1 8/27/80"; */

    /*
     *  tree node operators
     */
#define P2UNDEFINED     1
#define P2NAME          2
#define P2STRING        3
#define P2ICON          4
#define P2FCON          5
#define P2PLUS          6
#define P2MINUS         8               /* also unary == P2NEG */
#define P2MUL           11              /* also unary == P2INDIRECT */
#define P2AND           14              /* also unary */
#define P2OR            17
#define P2ER            19
#define P2QUEST         21
#define P2COLON         22
#define P2ANDAND        23
#define P2OROR          24
    /*
     *  yacc operator classes, reserved words, little symbols, etc.
     *  operators 25 .. 57 not used, except 56
     */
#define P2LISTOP        56
#define P2ASSIGN        58
#define P2COMOP         59
#define P2DIV           60
#define P2MOD           62
#define P2LS            64
#define P2RS            66
#define P2DOT           68
#define P2STREF         69
#define P2CALL          70              /* also unary */
#define P2FORTCALL      73              /* also unary */
#define P2NOT           76
#define P2COMPL         77
#define P2INCR          78
#define P2DECR          79
#define P2EQ            80
#define P2NE            81
#define P2LE            82
#define P2LT            83
#define P2GE            84
#define P2GT            85
#define P2ULE           86
#define P2ULT           87
#define P2UGE           88
#define P2UGT           89
#define P2SETBIT        90
#define P2TESTBIT       91
#define P2RESETBIT      92
#define P2ARS           93
#define P2REG           94
#define P2OREG          95
#define P2CCODES        96
#define P2FREE          97
#define P2STASG         98
#define P2STARG         99
#define P2STCALL        100             /* also unary */

    /*
     *  some conversion operators
     */
#define P2FLD           103
#define P2SCONV         104
#define P2PCONV         105
#define P2PMCONV        106
#define P2PVCONV        107

    /*
     *  special node operators, used for special contexts
     */
#define P2FORCE         108
#define P2CBRANCH       109
#define P2INIT          110
#define P2CAST          111

    /*
     *  prefix unary operator modifier
     */
#define P2ASG           1+
#define P2UNARY         2+

    /*
     *  these borrowed from /usr/src/cmd/mip/fort.c
     *  to use the binary interface.
     *  only FTEXT, FEXPR, FLBRAC, FRBRAC, and FEOF are used
     */
#define P2FTEXT         200
#define P2FEXPR         201
#define P2FLBRAC        203
#define P2FRBRAC        204
#define P2FEOF          205

    /*
     *  type names
     */
#define P2UNDEF         0
#define P2FARG          1
#define P2CHAR          2
#define P2SHORT         3
#define P2INT           4       /* this is also used for booleans */
#define P2LONG          5       /* don't use these, the second pass chokes */
#define P2FLOAT         6
#define P2DOUBLE        7
#define P2STRTY         8
#define P2UNIONTY       9
#define P2ENUMTY        10
#define P2MOETY         11
#define P2UCHAR         12
#define P2USHORT        13
#define P2UNSIGNED      14
#define P2ULONG         15

    /*
     *  type modifiers
     */
#define P2PTR           020
#define P2FTN           040
#define P2ARY           060

    /*
     *  see the comment for p2type for an explanation of c type words
     */
#define P2BASETYPE      017
#define P2TYPESHIFT     2

    /*
     *  add a most significant type modifier, m, to a type, t
     */
#define ADDTYPE( t,m )  ( ( ( ( t ) & ~P2BASETYPE ) << P2TYPESHIFT )    \
                  | ( m )                                               \
                  | ( ( t ) & P2BASETYPE ) )

    /*
     *  the runtime framepointer and argumentpointer registers
     */
#define P2FP            13
#define P2FPNAME        "fp"
#define P2AP            12
#define P2APNAME        "ap"