| Commit | Line | Data |
|---|
| 760ac839 |
1 | #include "EXTERN.h" |
| 2 | #include "perl.h" |
| 3 | #include "XSUB.h" |
| 4 | |
| 5 | #define INCL_BASE |
| 6 | #define INCL_REXXSAA |
| 7 | #include <os2emx.h> |
| 8 | |
| 9 | #if 0 |
| 10 | #define INCL_REXXSAA |
| 11 | #pragma pack(1) |
| 12 | #define _Packed |
| 13 | #include <rexxsaa.h> |
| 14 | #pragma pack() |
| 15 | #endif |
| 16 | |
| 17 | extern ULONG _emx_exception ( EXCEPTIONREPORTRECORD *, |
| 18 | EXCEPTIONREGISTRATIONRECORD *, |
| 19 | CONTEXTRECORD *, |
| 20 | void *); |
| 21 | |
| 22 | static RXSTRING * strs; |
| 23 | static int nstrs; |
| 24 | static SHVBLOCK * vars; |
| 25 | static int nvars; |
| 26 | static char * trace; |
| 27 | |
| 28 | static RXSTRING rxcommand = { 9, "RXCOMMAND" }; |
| 29 | static RXSTRING rxsubroutine = { 12, "RXSUBROUTINE" }; |
| 30 | static RXSTRING rxfunction = { 11, "RXFUNCTION" }; |
| 31 | |
| 32 | static ULONG PERLCALL(PSZ name, ULONG argc, PRXSTRING argv, PSZ queue, PRXSTRING ret); |
| 33 | |
| 34 | #if 1 |
| 35 | #define Set RXSHV_SET |
| 36 | #define Fetch RXSHV_FETCH |
| 37 | #define Drop RXSHV_DROPV |
| 38 | #else |
| 39 | #define Set RXSHV_SYSET |
| 40 | #define Fetch RXSHV_SYFET |
| 41 | #define Drop RXSHV_SYDRO |
| 42 | #endif |
| 43 | |
| 44 | static long incompartment; |
| 45 | |
| 46 | static SV* |
| 47 | exec_in_REXX(char *cmd, char * handlerName, RexxFunctionHandler *handler) |
| 48 | { |
| 49 | HMODULE hRexx, hRexxAPI; |
| 50 | BYTE buf[200]; |
| 51 | LONG APIENTRY (*pRexxStart) (LONG, PRXSTRING, PSZ, PRXSTRING, |
| 52 | PSZ, LONG, PRXSYSEXIT, PSHORT, PRXSTRING); |
| 53 | APIRET APIENTRY (*pRexxRegisterFunctionExe) (PSZ, |
| 54 | RexxFunctionHandler *); |
| 55 | APIRET APIENTRY (*pRexxDeregisterFunction) (PSZ); |
| 56 | RXSTRING args[1]; |
| 57 | RXSTRING inst[2]; |
| 58 | RXSTRING result; |
| 59 | USHORT retcode; |
| 60 | LONG rc; |
| 61 | SV *res; |
| 62 | |
| 63 | if (incompartment) die ("Attempt to reenter into REXX compartment"); |
| 64 | incompartment = 1; |
| 65 | |
| 66 | if (DosLoadModule(buf, sizeof buf, "REXX", &hRexx) |
| 67 | || DosLoadModule(buf, sizeof buf, "REXXAPI", &hRexxAPI) |
| 68 | || DosQueryProcAddr(hRexx, 0, "RexxStart", (PFN *)&pRexxStart) |
| 69 | || DosQueryProcAddr(hRexxAPI, 0, "RexxRegisterFunctionExe", |
| 70 | (PFN *)&pRexxRegisterFunctionExe) |
| 71 | || DosQueryProcAddr(hRexxAPI, 0, "RexxDeregisterFunction", |
| 72 | (PFN *)&pRexxDeregisterFunction)) { |
| 73 | die("REXX not available\n"); |
| 74 | } |
| 75 | |
| 76 | if (handlerName) |
| 77 | pRexxRegisterFunctionExe(handlerName, handler); |
| 78 | |
| 79 | MAKERXSTRING(args[0], NULL, 0); |
| 80 | MAKERXSTRING(inst[0], cmd, strlen(cmd)); |
| 81 | MAKERXSTRING(inst[1], NULL, 0); |
| 82 | MAKERXSTRING(result, NULL, 0); |
| 83 | rc = pRexxStart(0, args, "StartPerl", inst, "Perl", RXSUBROUTINE, NULL, |
| 84 | &retcode, &result); |
| 85 | |
| 86 | incompartment = 0; |
| 87 | pRexxDeregisterFunction("StartPerl"); |
| 88 | DosFreeModule(hRexxAPI); |
| 89 | DosFreeModule(hRexx); |
| 90 | if (!RXNULLSTRING(result)) { |
| 91 | res = newSVpv(RXSTRPTR(result), RXSTRLEN(result)); |
| 92 | DosFreeMem(RXSTRPTR(result)); |
| 93 | } else { |
| 94 | res = NEWSV(729,0); |
| 95 | } |
| 96 | if (rc || SvTRUE(GvSV(errgv))) { |
| 97 | if (SvTRUE(GvSV(errgv))) { |
| 98 | die ("Error inside perl function called from REXX compartment.\n%s", SvPV(GvSV(errgv), na)) ; |
| 99 | } |
| 100 | die ("REXX compartment returned non-zero status %li", rc); |
| 101 | } |
| 102 | |
| 103 | return res; |
| 104 | } |
| 105 | |
| 106 | static SV* exec_cv; |
| 107 | |
| 108 | static ULONG |
| 109 | PERLSTART(PSZ name, ULONG argc, PRXSTRING argv, PSZ queue, PRXSTRING ret) |
| 110 | { |
| 111 | return PERLCALL(NULL, argc, argv, queue, ret); |
| 112 | } |
| 113 | |
| 114 | #define in_rexx_compartment() exec_in_REXX("return StartPerl()\r\n", \ |
| 115 | "StartPerl", PERLSTART) |
| 116 | #define REXX_call(cv) ( exec_cv = (cv), in_rexx_compartment()) |
| 117 | #define REXX_eval_with(cmd,name,cv) ( exec_cv = (cv), \ |
| 118 | exec_in_REXX(cmd,name,PERLSTART)) |
| 119 | #define REXX_eval(cmd) REXX_eval_with(cmd,NULL,NULL) |
| 120 | |
| 121 | static ULONG |
| 122 | PERLCALL(PSZ name, ULONG argc, PRXSTRING argv, PSZ queue, PRXSTRING ret) |
| 123 | { |
| 124 | EXCEPTIONREGISTRATIONRECORD xreg = { NULL, _emx_exception }; |
| 125 | int i, rc; |
| 126 | unsigned long len; |
| 127 | char *str; |
| 128 | char **arr; |
| 129 | dSP; |
| 130 | |
| 131 | DosSetExceptionHandler(&xreg); |
| 132 | |
| 133 | ENTER; |
| 134 | SAVETMPS; |
| 135 | PUSHMARK(sp); |
| 136 | |
| 137 | #if 0 |
| 138 | if (!my_perl) { |
| 139 | DosUnsetExceptionHandler(&xreg); |
| 140 | return 1; |
| 141 | } |
| 142 | #endif |
| 143 | |
| 144 | if (name) { |
| 145 | int ac = 0; |
| 146 | char **arr = alloca((argc + 1) * sizeof(char *)); |
| 147 | |
| 148 | for (i = 0; i < argc; ++i) |
| 149 | arr[ac++] = argv[i].strptr; |
| 150 | arr[ac] = NULL; |
| 151 | |
| 152 | rc = perl_call_argv(name, G_SCALAR | G_EVAL, arr); |
| 153 | } else if (exec_cv) { |
| 154 | SV *cv = exec_cv; |
| 155 | |
| 156 | exec_cv = NULL; |
| 157 | rc = perl_call_sv(cv, G_SCALAR | G_EVAL); |
| 158 | } else rc = -1; |
| 159 | |
| 160 | SPAGAIN; |
| 161 | |
| 162 | if (rc == 1 && SvOK(TOPs)) { |
| 163 | str = SvPVx(POPs, len); |
| 164 | if (len > 256) |
| 165 | if (DosAllocMem((PPVOID)&ret->strptr, len, PAG_READ|PAG_WRITE|PAG_COMMIT)) { |
| 166 | DosUnsetExceptionHandler(&xreg); |
| 167 | return 1; |
| 168 | } |
| 169 | memcpy(ret->strptr, str, len); |
| 170 | ret->strlength = len; |
| 171 | } |
| 172 | |
| 173 | PUTBACK ; |
| 174 | FREETMPS ; |
| 175 | LEAVE ; |
| 176 | |
| 177 | if (rc != 1) { |
| 178 | DosUnsetExceptionHandler(&xreg); |
| 179 | return 1; |
| 180 | } |
| 181 | |
| 182 | |
| 183 | DosUnsetExceptionHandler(&xreg); |
| 184 | return 0; |
| 185 | } |
| 186 | |
| 187 | static void |
| 188 | needstrs(int n) |
| 189 | { |
| 190 | if (n > nstrs) { |
| 191 | if (strs) |
| 192 | free(strs); |
| 193 | nstrs = 2 * n; |
| 194 | strs = malloc(nstrs * sizeof(RXSTRING)); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | static void |
| 199 | needvars(int n) |
| 200 | { |
| 201 | if (n > nvars) { |
| 202 | if (vars) |
| 203 | free(vars); |
| 204 | nvars = 2 * n; |
| 205 | vars = malloc(nvars * sizeof(SHVBLOCK)); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | static void |
| 210 | initialize(void) |
| 211 | { |
| 212 | needstrs(8); |
| 213 | needvars(8); |
| 214 | trace = getenv("PERL_REXX_DEBUG"); |
| 215 | } |
| 216 | |
| 217 | static int |
| 218 | not_here(s) |
| 219 | char *s; |
| 220 | { |
| 221 | croak("%s not implemented on this architecture", s); |
| 222 | return -1; |
| 223 | } |
| 224 | |
| 225 | static int |
| 226 | constant(name, arg) |
| 227 | char *name; |
| 228 | int arg; |
| 229 | { |
| 230 | errno = EINVAL; |
| 231 | return 0; |
| 232 | } |
| 233 | |
| 234 | |
| 235 | MODULE = OS2::REXX PACKAGE = OS2::REXX |
| 236 | |
| 237 | BOOT: |
| 238 | initialize(); |
| 239 | |
| 240 | int |
| 241 | constant(name,arg) |
| 242 | char * name |
| 243 | int arg |
| 244 | |
| 245 | SV * |
| 246 | _call(name, address, queue="SESSION", ...) |
| 247 | char * name |
| 248 | void * address |
| 249 | char * queue |
| 250 | CODE: |
| 251 | { |
| 252 | ULONG rc; |
| 253 | int argc, i; |
| 254 | RXSTRING result; |
| 255 | UCHAR resbuf[256]; |
| 256 | RexxFunctionHandler *fcn = address; |
| 257 | argc = items-3; |
| 258 | needstrs(argc); |
| 259 | if (trace) |
| 260 | fprintf(stderr, "REXXCALL::_call name: '%s' args:", name); |
| 261 | for (i = 0; i < argc; ++i) { |
| 262 | STRLEN len; |
| 263 | char *ptr = SvPV(ST(3+i), len); |
| 264 | MAKERXSTRING(strs[i], ptr, len); |
| 265 | if (trace) |
| 266 | fprintf(stderr, " '%.*s'", len, ptr); |
| 267 | } |
| 268 | if (!*queue) |
| 269 | queue = "SESSION"; |
| 270 | if (trace) |
| 271 | fprintf(stderr, "\n"); |
| 272 | MAKERXSTRING(result, resbuf, sizeof resbuf); |
| 273 | rc = fcn(name, argc, strs, queue, &result); |
| 274 | if (trace) |
| 275 | fprintf(stderr, " rc=%X, result='%.*s'\n", rc, |
| 276 | result.strlength, result.strptr); |
| 277 | ST(0) = sv_newmortal(); |
| 278 | if (rc == 0) { |
| 279 | if (result.strptr) |
| 280 | sv_setpvn(ST(0), result.strptr, result.strlength); |
| 281 | else |
| 282 | sv_setpvn(ST(0), "", 0); |
| 283 | } |
| 284 | if (result.strptr && result.strptr != resbuf) |
| 285 | DosFreeMem(result.strptr); |
| 286 | } |
| 287 | |
| 288 | int |
| 289 | _set(name,value,...) |
| 290 | char * name |
| 291 | char * value |
| 292 | CODE: |
| 293 | { |
| 294 | int i; |
| 295 | int n = (items + 1) / 2; |
| 296 | ULONG rc; |
| 297 | needvars(n); |
| 298 | if (trace) |
| 299 | fprintf(stderr, "REXXCALL::_set"); |
| 300 | for (i = 0; i < n; ++i) { |
| 301 | SHVBLOCK * var = &vars[i]; |
| 302 | STRLEN namelen; |
| 303 | STRLEN valuelen; |
| 304 | name = SvPV(ST(2*i+0),namelen); |
| 305 | if (2*i+1 < items) { |
| 306 | value = SvPV(ST(2*i+1),valuelen); |
| 307 | } |
| 308 | else { |
| 309 | value = ""; |
| 310 | valuelen = 0; |
| 311 | } |
| 312 | var->shvcode = RXSHV_SET; |
| 313 | var->shvnext = &vars[i+1]; |
| 314 | var->shvnamelen = namelen; |
| 315 | var->shvvaluelen = valuelen; |
| 316 | MAKERXSTRING(var->shvname, name, namelen); |
| 317 | MAKERXSTRING(var->shvvalue, value, valuelen); |
| 318 | if (trace) |
| 319 | fprintf(stderr, " %.*s='%.*s'", |
| 320 | var->shvname.strlength, var->shvname.strptr, |
| 321 | var->shvvalue.strlength, var->shvvalue.strptr); |
| 322 | } |
| 323 | if (trace) |
| 324 | fprintf(stderr, "\n"); |
| 325 | vars[n-1].shvnext = NULL; |
| 326 | rc = RexxVariablePool(vars); |
| 327 | if (trace) |
| 328 | fprintf(stderr, " rc=%X\n", rc); |
| 329 | RETVAL = (rc & ~RXSHV_NEWV) ? FALSE : TRUE; |
| 330 | } |
| 331 | OUTPUT: |
| 332 | RETVAL |
| 333 | |
| 334 | void |
| 335 | _fetch(name, ...) |
| 336 | char * name |
| 337 | PPCODE: |
| 338 | { |
| 339 | int i; |
| 340 | ULONG rc; |
| 341 | EXTEND(sp, items); |
| 342 | needvars(items); |
| 343 | if (trace) |
| 344 | fprintf(stderr, "REXXCALL::_fetch"); |
| 345 | for (i = 0; i < items; ++i) { |
| 346 | SHVBLOCK * var = &vars[i]; |
| 347 | STRLEN namelen; |
| 348 | name = SvPV(ST(i),namelen); |
| 349 | var->shvcode = RXSHV_FETCH; |
| 350 | var->shvnext = &vars[i+1]; |
| 351 | var->shvnamelen = namelen; |
| 352 | var->shvvaluelen = 0; |
| 353 | MAKERXSTRING(var->shvname, name, namelen); |
| 354 | MAKERXSTRING(var->shvvalue, NULL, 0); |
| 355 | if (trace) |
| 356 | fprintf(stderr, " '%s'", name); |
| 357 | } |
| 358 | if (trace) |
| 359 | fprintf(stderr, "\n"); |
| 360 | vars[items-1].shvnext = NULL; |
| 361 | rc = RexxVariablePool(vars); |
| 362 | if (!(rc & ~RXSHV_NEWV)) { |
| 363 | for (i = 0; i < items; ++i) { |
| 364 | int namelen; |
| 365 | SHVBLOCK * var = &vars[i]; |
| 366 | /* returned lengths appear to be swapped */ |
| 367 | /* but beware of "future bug fixes" */ |
| 368 | namelen = var->shvvalue.strlength; /* should be */ |
| 369 | if (var->shvvaluelen < var->shvvalue.strlength) |
| 370 | namelen = var->shvvaluelen; /* is */ |
| 371 | if (trace) |
| 372 | fprintf(stderr, " %.*s='%.*s'\n", |
| 373 | var->shvname.strlength, var->shvname.strptr, |
| 374 | namelen, var->shvvalue.strptr); |
| 375 | if (var->shvret & RXSHV_NEWV || !var->shvvalue.strptr) |
| 376 | PUSHs(&sv_undef); |
| 377 | else |
| 378 | PUSHs(sv_2mortal(newSVpv(var->shvvalue.strptr, |
| 379 | namelen))); |
| 380 | } |
| 381 | } else { |
| 382 | if (trace) |
| 383 | fprintf(stderr, " rc=%X\n", rc); |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | void |
| 388 | _next(stem) |
| 389 | char * stem |
| 390 | PPCODE: |
| 391 | { |
| 392 | SHVBLOCK sv; |
| 393 | BYTE name[4096]; |
| 394 | ULONG rc; |
| 395 | int len = strlen(stem), namelen, valuelen; |
| 396 | if (trace) |
| 397 | fprintf(stderr, "REXXCALL::_next stem='%s'\n", stem); |
| 398 | sv.shvcode = RXSHV_NEXTV; |
| 399 | sv.shvnext = NULL; |
| 400 | MAKERXSTRING(sv.shvvalue, NULL, 0); |
| 401 | do { |
| 402 | sv.shvnamelen = sizeof name; |
| 403 | sv.shvvaluelen = 0; |
| 404 | MAKERXSTRING(sv.shvname, name, sizeof name); |
| 405 | if (sv.shvvalue.strptr) { |
| 406 | DosFreeMem(sv.shvvalue.strptr); |
| 407 | MAKERXSTRING(sv.shvvalue, NULL, 0); |
| 408 | } |
| 409 | rc = RexxVariablePool(&sv); |
| 410 | } while (!rc && memcmp(stem, sv.shvname.strptr, len) != 0); |
| 411 | if (!rc) { |
| 412 | EXTEND(sp, 2); |
| 413 | /* returned lengths appear to be swapped */ |
| 414 | /* but beware of "future bug fixes" */ |
| 415 | namelen = sv.shvname.strlength; /* should be */ |
| 416 | if (sv.shvnamelen < sv.shvname.strlength) |
| 417 | namelen = sv.shvnamelen; /* is */ |
| 418 | valuelen = sv.shvvalue.strlength; /* should be */ |
| 419 | if (sv.shvvaluelen < sv.shvvalue.strlength) |
| 420 | valuelen = sv.shvvaluelen; /* is */ |
| 421 | if (trace) |
| 422 | fprintf(stderr, " %.*s='%.*s'\n", |
| 423 | namelen, sv.shvname.strptr, |
| 424 | valuelen, sv.shvvalue.strptr); |
| 425 | PUSHs(sv_2mortal(newSVpv(sv.shvname.strptr+len, namelen-len))); |
| 426 | if (sv.shvvalue.strptr) { |
| 427 | PUSHs(sv_2mortal(newSVpv(sv.shvvalue.strptr, valuelen))); |
| 428 | DosFreeMem(sv.shvvalue.strptr); |
| 429 | } else |
| 430 | PUSHs(&sv_undef); |
| 431 | } else if (rc != RXSHV_LVAR) { |
| 432 | die("Error %i when in _next", rc); |
| 433 | } else { |
| 434 | if (trace) |
| 435 | fprintf(stderr, " rc=%X\n", rc); |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | int |
| 440 | _drop(name,...) |
| 441 | char * name |
| 442 | CODE: |
| 443 | { |
| 444 | int i; |
| 445 | needvars(items); |
| 446 | for (i = 0; i < items; ++i) { |
| 447 | SHVBLOCK * var = &vars[i]; |
| 448 | STRLEN namelen; |
| 449 | name = SvPV(ST(i),namelen); |
| 450 | var->shvcode = RXSHV_DROPV; |
| 451 | var->shvnext = &vars[i+1]; |
| 452 | var->shvnamelen = namelen; |
| 453 | var->shvvaluelen = 0; |
| 454 | MAKERXSTRING(var->shvname, name, var->shvnamelen); |
| 455 | MAKERXSTRING(var->shvvalue, NULL, 0); |
| 456 | } |
| 457 | vars[items-1].shvnext = NULL; |
| 458 | RETVAL = (RexxVariablePool(vars) & ~RXSHV_NEWV) ? FALSE : TRUE; |
| 459 | } |
| 460 | OUTPUT: |
| 461 | RETVAL |
| 462 | |
| 463 | int |
| 464 | _register(name) |
| 465 | char * name |
| 466 | CODE: |
| 467 | RETVAL = RexxRegisterFunctionExe(name, PERLCALL); |
| 468 | OUTPUT: |
| 469 | RETVAL |
| 470 | |
| 471 | SV* |
| 472 | REXX_call(cv) |
| 473 | SV *cv |
| 474 | PROTOTYPE: & |
| 475 | |
| 476 | SV* |
| 477 | REXX_eval(cmd) |
| 478 | char *cmd |
| 479 | |
| 480 | SV* |
| 481 | REXX_eval_with(cmd,name,cv) |
| 482 | char *cmd |
| 483 | char *name |
| 484 | SV *cv |
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