| 1 | #include "defs" |
| 2 | |
| 3 | |
| 4 | FILEP infile = { stdin }; |
| 5 | FILEP diagfile = { stderr }; |
| 6 | |
| 7 | FILEP textfile; |
| 8 | FILEP asmfile; |
| 9 | FILEP initfile; |
| 10 | long int headoffset; |
| 11 | |
| 12 | char token[200]; |
| 13 | int toklen; |
| 14 | int lineno; |
| 15 | char *infname; |
| 16 | int needkwd; |
| 17 | struct labelblock *thislabel = NULL; |
| 18 | flag nowarnflag = NO; |
| 19 | flag ftn66flag = NO; |
| 20 | flag profileflag = NO; |
| 21 | flag optimflag = NO; |
| 22 | flag shiftcase = YES; |
| 23 | flag undeftype = NO; |
| 24 | flag shortsubs = YES; |
| 25 | flag onetripflag = NO; |
| 26 | flag checksubs = NO; |
| 27 | flag debugflag = NO; |
| 28 | int nerr; |
| 29 | int nwarn; |
| 30 | int ndata; |
| 31 | |
| 32 | flag saveall; |
| 33 | flag substars; |
| 34 | int parstate = OUTSIDE; |
| 35 | flag headerdone = NO; |
| 36 | int blklevel; |
| 37 | int impltype[26]; |
| 38 | int implleng[26]; |
| 39 | int implstg[26]; |
| 40 | |
| 41 | int tyint = TYLONG ; |
| 42 | int tylogical = TYLONG; |
| 43 | ftnint typesize[NTYPES] |
| 44 | = { 1, SZADDR, SZSHORT, SZLONG, SZLONG, 2*SZLONG, |
| 45 | 2*SZLONG, 4*SZLONG, SZLONG, 1, 1, 1}; |
| 46 | int typealign[NTYPES] |
| 47 | = { 1, ALIADDR, ALISHORT, ALILONG, ALILONG, ALIDOUBLE, |
| 48 | ALILONG, ALIDOUBLE, ALILONG, 1, 1, 1}; |
| 49 | int procno; |
| 50 | int proctype = TYUNKNOWN; |
| 51 | char *procname; |
| 52 | int rtvlabel[NTYPES]; |
| 53 | int fudgelabel; |
| 54 | struct addrblock *typeaddr; |
| 55 | struct addrblock *retslot; |
| 56 | int cxslot = -1; |
| 57 | int chslot = -1; |
| 58 | int chlgslot = -1; |
| 59 | int procclass = CLUNKNOWN; |
| 60 | int nentry; |
| 61 | flag multitype; |
| 62 | ftnint procleng; |
| 63 | int lastlabno = 10; |
| 64 | int lastvarno; |
| 65 | int lastargslot; |
| 66 | int argloc; |
| 67 | ftnint autoleng; |
| 68 | ftnint bssleng = 0; |
| 69 | int retlabel; |
| 70 | int ret0label; |
| 71 | struct ctlframe ctls[MAXCTL]; |
| 72 | struct ctlframe *ctlstack = ctls-1; |
| 73 | struct ctlframe *lastctl = ctls+MAXCTL ; |
| 74 | |
| 75 | struct nameblock *regnamep[MAXREGVAR]; |
| 76 | int highregvar; |
| 77 | int nregvar; |
| 78 | |
| 79 | struct extsym extsymtab[MAXEXT]; |
| 80 | struct extsym *nextext = extsymtab; |
| 81 | struct extsym *lastext = extsymtab+MAXEXT; |
| 82 | |
| 83 | struct equivblock eqvclass[MAXEQUIV]; |
| 84 | struct hashentry hashtab[MAXHASH]; |
| 85 | struct hashentry *lasthash = hashtab+MAXHASH; |
| 86 | |
| 87 | struct labelblock labeltab[MAXSTNO]; |
| 88 | struct labelblock *labtabend = labeltab+MAXSTNO; |
| 89 | struct labelblock *highlabtab = labeltab; |
| 90 | struct rplblock *rpllist = NULL; |
| 91 | chainp curdtp = NULL; |
| 92 | flag toomanyinit; |
| 93 | ftnint curdtelt; |
| 94 | chainp templist = NULL; |
| 95 | chainp holdtemps = NULL; |
| 96 | int dorange = 0; |
| 97 | struct entrypoint *entries = NULL; |
| 98 | |
| 99 | chainp chains = NULL; |
| 100 | |
| 101 | flag inioctl; |
| 102 | struct addrblock *ioblkp; |
| 103 | int iostmt; |
| 104 | int nioctl; |
| 105 | int nequiv = 0; |
| 106 | int nintnames = 0; |
| 107 | int nextnames = 0; |
| 108 | |
| 109 | struct literal litpool[MAXLITERALS]; |
| 110 | int nliterals; |
| 111 | |
| 112 | |
| 113 | |
| 114 | fileinit() |
| 115 | { |
| 116 | procno = 0; |
| 117 | lastlabno = 10; |
| 118 | lastvarno = 0; |
| 119 | nextext = extsymtab; |
| 120 | nliterals = 0; |
| 121 | nerr = 0; |
| 122 | ndata = 0; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | |
| 127 | |
| 128 | |
| 129 | procinit() |
| 130 | { |
| 131 | register struct nameblock *p; |
| 132 | register struct dimblock *q; |
| 133 | register struct hashentry *hp; |
| 134 | register struct labelblock *lp; |
| 135 | chainp cp; |
| 136 | int i; |
| 137 | |
| 138 | pruse(asmfile, USECONST); |
| 139 | #if FAMILY == SCJ |
| 140 | p2pass(USETEXT); |
| 141 | #endif |
| 142 | parstate = OUTSIDE; |
| 143 | headerdone = NO; |
| 144 | blklevel = 1; |
| 145 | saveall = NO; |
| 146 | substars = NO; |
| 147 | nwarn = 0; |
| 148 | thislabel = NULL; |
| 149 | needkwd = 0; |
| 150 | |
| 151 | ++procno; |
| 152 | proctype = TYUNKNOWN; |
| 153 | procname = "MAIN_ "; |
| 154 | procclass = CLUNKNOWN; |
| 155 | nentry = 0; |
| 156 | multitype = NO; |
| 157 | typeaddr = NULL; |
| 158 | retslot = NULL; |
| 159 | cxslot = -1; |
| 160 | chslot = -1; |
| 161 | chlgslot = -1; |
| 162 | procleng = 0; |
| 163 | blklevel = 1; |
| 164 | lastargslot = 0; |
| 165 | #if TARGET==PDP11 |
| 166 | autoleng = 6; |
| 167 | #else |
| 168 | autoleng = 0; |
| 169 | #endif |
| 170 | |
| 171 | for(lp = labeltab ; lp < labtabend ; ++lp) |
| 172 | lp->stateno = 0; |
| 173 | |
| 174 | for(hp = hashtab ; hp < lasthash ; ++hp) |
| 175 | if(p = hp->varp) |
| 176 | { |
| 177 | frexpr(p->vleng); |
| 178 | if(q = p->vdim) |
| 179 | { |
| 180 | for(i = 0 ; i < q->ndim ; ++i) |
| 181 | { |
| 182 | frexpr(q->dims[i].dimsize); |
| 183 | frexpr(q->dims[i].dimexpr); |
| 184 | } |
| 185 | frexpr(q->nelt); |
| 186 | frexpr(q->baseoffset); |
| 187 | frexpr(q->basexpr); |
| 188 | free(q); |
| 189 | } |
| 190 | free(p); |
| 191 | hp->varp = NULL; |
| 192 | } |
| 193 | nintnames = 0; |
| 194 | highlabtab = labeltab; |
| 195 | |
| 196 | ctlstack = ctls - 1; |
| 197 | for(cp = templist ; cp ; cp = cp->nextp) |
| 198 | free(cp->datap); |
| 199 | frchain(&templist); |
| 200 | holdtemps = NULL; |
| 201 | dorange = 0; |
| 202 | nregvar = 0; |
| 203 | highregvar = 0; |
| 204 | entries = NULL; |
| 205 | rpllist = NULL; |
| 206 | inioctl = NO; |
| 207 | ioblkp = NULL; |
| 208 | nequiv = 0; |
| 209 | |
| 210 | for(i = 0 ; i<NTYPES ; ++i) |
| 211 | rtvlabel[i] = 0; |
| 212 | fudgelabel = 0; |
| 213 | |
| 214 | if(undeftype) |
| 215 | setimpl(TYUNKNOWN, (ftnint) 0, 'a', 'z'); |
| 216 | else |
| 217 | { |
| 218 | setimpl(TYREAL, (ftnint) 0, 'a', 'z'); |
| 219 | setimpl(tyint, (ftnint) 0, 'i', 'n'); |
| 220 | } |
| 221 | setimpl(-STGBSS, (ftnint) 0, 'a', 'z'); /* set class */ |
| 222 | setlog(); |
| 223 | } |
| 224 | |
| 225 | |
| 226 | |
| 227 | |
| 228 | setimpl(type, length, c1, c2) |
| 229 | int type; |
| 230 | ftnint length; |
| 231 | int c1, c2; |
| 232 | { |
| 233 | int i; |
| 234 | char buff[100]; |
| 235 | |
| 236 | if(c1==0 || c2==0) |
| 237 | return; |
| 238 | |
| 239 | if(c1 > c2) |
| 240 | err( sprintf(buff, "characters out of order in implicit:%c-%c", c1, c2) ); |
| 241 | else |
| 242 | if(type < 0) |
| 243 | for(i = c1 ; i<=c2 ; ++i) |
| 244 | implstg[i-'a'] = - type; |
| 245 | else |
| 246 | { |
| 247 | type = lengtype(type, (int) length); |
| 248 | if(type != TYCHAR) |
| 249 | length = 0; |
| 250 | for(i = c1 ; i<=c2 ; ++i) |
| 251 | { |
| 252 | impltype[i-'a'] = type; |
| 253 | implleng[i-'a'] = length; |
| 254 | } |
| 255 | } |
| 256 | } |