UNIX 7th Ed. - /usr/src/cmd/c/c1.h

   1: /*
   2:  * C code generator header
   3:  */
   4: 
   5: #include <stdio.h>
   6: 
   7: #define LTYPE   long    /* change to int for no long consts */
   8: #define NCPS    8
   9: #define NULL    0
  10: 
  11: /*
  12:  *  Tree node for unary and binary
  13:  */
  14: struct  tnode {
  15:     int op;
  16:     int type;
  17:     int degree;
  18:     struct  tnode *tr1, *tr2;
  19: };
  20: 
  21: /*
  22:  * tree names for locals
  23:  */
  24: struct  tname {
  25:     int op;
  26:     int type;
  27:     char    class;
  28:     char    regno;
  29:     int offset;
  30:     int nloc;
  31: };
  32: 
  33: /*
  34:  * tree names for externals
  35:  */
  36: struct  xtname {
  37:     int op;
  38:     int type;
  39:     char    class;
  40:     char    regno;
  41:     int offset;
  42:     char    name[NCPS];
  43: };
  44: 
  45: struct  tconst {
  46:     int op;
  47:     int type;
  48:     int value;
  49: };
  50: 
  51: /*
  52:  * long constants
  53:  */
  54: struct  lconst {
  55:     int op;
  56:     int type;
  57:     LTYPE   lvalue;
  58: };
  59: 
  60: struct  ftconst {
  61:     int op;
  62:     int type;
  63:     int value;
  64:     double  fvalue;
  65: };
  66: 
  67: /*
  68:  * Node used for field assignemnts
  69:  */
  70: struct  fasgn {
  71:     int op;
  72:     int type;
  73:     int degree;
  74:     struct  tnode *tr1, *tr2;
  75:     int mask;
  76: };
  77: 
  78: struct  optab {
  79:     char    tabdeg1;
  80:     char    tabtyp1;
  81:     char    tabdeg2;
  82:     char    tabtyp2;
  83:     char    *tabstring;
  84: };
  85: 
  86: struct  table {
  87:     int tabop;
  88:     struct  optab *tabp;
  89: };
  90: 
  91: struct  instab {
  92:     int iop;
  93:     char    *str1;
  94:     char    *str2;
  95: };
  96: 
  97: struct  swtab {
  98:     int swlab;
  99:     int swval;
 100: };
 101: 
 102: char    maprel[];
 103: char    notrel[];
 104: int nreg;
 105: int isn;
 106: int namsiz;
 107: int line;
 108: int nerror;
 109: struct  table   cctab[];
 110: struct  table   efftab[];
 111: struct  table   regtab[];
 112: struct  table   sptab[];
 113: struct  table   lsptab[1];
 114: struct  instab  instab[];
 115: struct  instab  branchtab[];
 116: int opdope[];
 117: char    *opntab[];
 118: int nstack;
 119: int nfloat;
 120: struct  tname   sfuncr;
 121: char    *funcbase;
 122: char    *curbase;
 123: char    *coremax;
 124: struct tconst czero, cone;
 125: struct  ftconst fczero;
 126: long    totspace;
 127: /*
 128:  * Some special stuff for long comparisons
 129:  */
 130: int xlab1, xlab2, xop, xzero;
 131: 
 132: /*
 133: 	operators
 134: */
 135: #define EOFC    0
 136: #define SEMI    1
 137: #define LBRACE  2
 138: #define RBRACE  3
 139: #define LBRACK  4
 140: #define RBRACK  5
 141: #define LPARN   6
 142: #define RPARN   7
 143: #define COLON   8
 144: #define COMMA   9
 145: #define FSEL    10
 146: #define FSELR   11
 147: #define FSELT   12
 148: #define FSELA   16
 149: #define ULSH    17
 150: #define ASULSH  18
 151: 
 152: #define KEYW    19
 153: #define NAME    20
 154: #define CON 21
 155: #define STRING  22
 156: #define FCON    23
 157: #define SFCON   24
 158: #define LCON    25
 159: #define SLCON   26
 160: 
 161: #define AUTOI   27
 162: #define AUTOD   28
 163: #define INCBEF  30
 164: #define DECBEF  31
 165: #define INCAFT  32
 166: #define DECAFT  33
 167: #define EXCLA   34
 168: #define AMPER   35
 169: #define STAR    36
 170: #define NEG 37
 171: #define COMPL   38
 172: 
 173: #define DOT 39
 174: #define PLUS    40
 175: #define MINUS   41
 176: #define TIMES   42
 177: #define DIVIDE  43
 178: #define MOD 44
 179: #define RSHIFT  45
 180: #define LSHIFT  46
 181: #define AND 47
 182: #define ANDN    55
 183: #define OR  48
 184: #define EXOR    49
 185: #define ARROW   50
 186: #define ITOF    51
 187: #define FTOI    52
 188: #define LOGAND  53
 189: #define LOGOR   54
 190: #define FTOL    56
 191: #define LTOF    57
 192: #define ITOL    58
 193: #define LTOI    59
 194: #define ITOP    13
 195: #define PTOI    14
 196: #define LTOP    15
 197: 
 198: #define EQUAL   60
 199: #define NEQUAL  61
 200: #define LESSEQ  62
 201: #define LESS    63
 202: #define GREATEQ 64
 203: #define GREAT   65
 204: #define LESSEQP 66
 205: #define LESSP   67
 206: #define GREATQP 68
 207: #define GREATP  69
 208: 
 209: #define ASPLUS  70
 210: #define ASMINUS 71
 211: #define ASTIMES 72
 212: #define ASDIV   73
 213: #define ASMOD   74
 214: #define ASRSH   75
 215: #define ASLSH   76
 216: #define ASAND   77
 217: #define ASOR    78
 218: #define ASXOR   79
 219: #define ASSIGN  80
 220: #define TAND    81
 221: #define LTIMES  82
 222: #define LDIV    83
 223: #define LMOD    84
 224: #define ASANDN  85
 225: #define LASTIMES 86
 226: #define LASDIV  87
 227: #define LASMOD  88
 228: 
 229: #define QUEST   90
 230: #define MAX 93
 231: #define MAXP    94
 232: #define MIN 95
 233: #define MINP    96
 234: #define LLSHIFT 91
 235: #define ASLSHL  92
 236: #define SEQNC   97
 237: #define CALL1   98
 238: #define CALL2   99
 239: #define CALL    100
 240: #define MCALL   101
 241: #define JUMP    102
 242: #define CBRANCH 103
 243: #define INIT    104
 244: #define SETREG  105
 245: #define LOAD    106
 246: #define ITOC    109
 247: #define RFORCE  110
 248: 
 249: /*
 250:  * Intermediate code operators
 251:  */
 252: #define BRANCH  111
 253: #define LABEL   112
 254: #define NLABEL  113
 255: #define RLABEL  114
 256: #define STRASG  115
 257: #define STRSET  116
 258: #define BDATA   200
 259: #define PROG    202
 260: #define DATA    203
 261: #define BSS 204
 262: #define CSPACE  205
 263: #define SSPACE  206
 264: #define SYMDEF  207
 265: #define SAVE    208
 266: #define RETRN   209
 267: #define EVEN    210
 268: #define PROFIL  212
 269: #define SWIT    213
 270: #define EXPR    214
 271: #define SNAME   215
 272: #define RNAME   216
 273: #define ANAME   217
 274: #define NULLOP  218
 275: #define SETSTK  219
 276: #define SINIT   220
 277: #define GLOBAL  221
 278: #define C3BRANCH    222
 279: 
 280: /*
 281:  *	types
 282:  */
 283: #define INT 0
 284: #define CHAR    1
 285: #define FLOAT   2
 286: #define DOUBLE  3
 287: #define STRUCT  4
 288: #define RSTRUCT 5
 289: #define LONG    6
 290: #define UNSIGN  7
 291: 
 292: #define TYLEN   2
 293: #define TYPE    07
 294: #define XTYPE   (03<<3)
 295: #define PTR 010
 296: #define FUNC    020
 297: #define ARRAY   030
 298: 
 299: /*
 300: 	storage	classes
 301: */
 302: #define KEYWC   1
 303: #define MOS 10
 304: #define AUTO    11
 305: #define EXTERN  12
 306: #define STATIC  13
 307: #define REG 14
 308: #define STRTAG  15
 309: #define ARG 16
 310: #define OFFS    20
 311: #define XOFFS   21
 312: #define SOFFS   22
 313: 
 314: /*
 315: 	Flag	bits
 316: */
 317: 
 318: #define BINARY  01
 319: #define LVALUE  02
 320: #define RELAT   04
 321: #define ASSGOP  010
 322: #define LWORD   020
 323: #define RWORD   040
 324: #define COMMUTE 0100
 325: #define RASSOC  0200
 326: #define LEAF    0400
 327: #define CNVRT   01000

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Usage of this include