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   1 /*
   2  * Simulator of microcontrollers (cmd.src/command.cc)
   3  *
   4  * Copyright (C) 2002,02 Drotos Daniel, Talker Bt.
   5  *
   6  * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
   7  *
   8  */
   9
  10 /* This file is part of microcontroller simulator: ucsim.
  11
  12 UCSIM is free software; you can redistribute it and/or modify
  13 it under the terms of the GNU General Public License as published by
  14 the Free Software Foundation; either version 2 of the License, or
  15 (at your option) any later version.
  16
  17 UCSIM is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with UCSIM; see the file COPYING.  If not, write to the Free
  24 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  25 02111-1307, USA. */
  26 /*@1@*/
  27
  28 #include "ddconfig.h"
  29
  30 #include <stdlib.h>
  31 #include "i_string.h"
  32
  33 // prj
  34
  35 // local, cmd
  36 #include "commandcl.h"
  37
  38
  39 /*
  40  * Command line
  41  *____________________________________________________________________________
  42  */
  43
  44 cl_cmdline::cl_cmdline(class cl_app *the_app,
  45                        char *acmd, class cl_console *acon):
  46   cl_base()
  47 {
  48   app= the_app;
  49   cmd= strdup(acmd);
  50   params= new cl_list(2, 2);
  51   tokens= new cl_ustrings(2, 2);
  52   set_name(0);
  53   matched_syntax= 0;
  54   con= acon;
  55 }
  56
  57 cl_cmdline::~cl_cmdline(void)
  58 {
  59   if (cmd)
  60     free(cmd);
  61   delete params;
  62   delete tokens;
  63 }
  64
  65 int
  66 cl_cmdline::init(void)
  67 {
  68   split();
  69   return(0);
  70 }
  71
  72 char *
  73 cl_cmdline::skip_delims(char *start)
  74 {
  75   while (*start &&
  76          strchr(" \t\v\r,", *start))
  77     start++;
  78   return(start);
  79 }
  80
  81 int
  82 cl_cmdline::split(void)
  83 {
  84   //class cl_sim *sim;
  85   char *start= cmd;
  86   int i;
  87   class cl_cmd_arg *arg;
  88
  89   //sim= app->get_sim();
  90   set_name(0);
  91   if (!cmd ||
  92       !*cmd)
  93     return(0);
  94   start+= strspn(start, " \t\v\r,");
  95   if (start &&
  96       *start == '\n')
  97     {
  98       char *n= (char*)malloc(2);
  99       strcpy(n, "\n");
 100       set_name(n);
 101       return(0);
 102     }
 103   if (!*start)
 104     return(0);
 105   i= strcspn(start, " \t\v\r,");
 106   if (i)
 107     {
 108       char *n= (char*)malloc(i+1);
 109       strncpy(n, start, i);
 110       n[i]= '\0';
 111       set_name(n);
 112     }
 113   start+= i;
 114   start= skip_delims(start);
 115   // skip delimiters
 116   while (*start)
 117     {
 118       char *end, *param_str;
 119       if (*start == '"')
 120         {
 121           // string
 122           start++;
 123           end= start;
 124           while (*end &&
 125                  *end != '"')
 126             {
 127               if (*end == '\\')
 128                 {
 129                   end++;
 130                   if (*end)
 131                     end++;
 132                 }
 133               else
 134                 end++;
 135             }
 136           if (*end == '"')
 137             end--;
 138           else
 139             con->dd_printf("Unterminated string\n");
 140           param_str= (char *)malloc(end-start+2);
 141           strncpy(param_str, start, 1+end-start);
 142           param_str[1+end-start]= '\0';
 143           tokens->add(strdup(param_str));
 144           params->add(arg= new cl_cmd_str_arg(param_str));
 145           arg->init();
 146           free(param_str);
 147           if (*end)
 148             end++;
 149           if (*end == '"')
 150             end++;
 151         }
 152       else
 153         {
 154           char *dot;
 155           i= strcspn(start, " \t\v\r,");
 156           end= start+i;
 157           param_str= (char *)malloc(i+1);
 158           strncpy(param_str, start, i);
 159           param_str[i]= '\0';
 160           if (strchr(">", *start))
 161             {
 162               char *fn, mode[3]= "w\0";
 163               switch (*start)
 164                 {
 165                 case '>':
 166                   if (i == 1 ||
 167                       (i == 2 &&
 168                        start[1] == '>')) {
 169                     con->dd_printf("Unspecified redirection\n");
 170                     break;
 171                   }
 172                   fn= start+1;
 173                   if (*fn == '>') {
 174                     fn++;
 175                     mode[0]= 'a';
 176                   }
 177                   con->redirect(fn, mode);
 178                   break;
 179                 default:
 180                   break;
 181                 }
 182               free(param_str);
 183               start= end;
 184               start= skip_delims(start);
 185               continue;
 186             }
 187           tokens->add(strdup(param_str));
 188           if ((dot= strchr(param_str, '.')) != NULL)
 189             {
 190               // bit
 191               class cl_cmd_arg *sfr, *bit;
 192               *dot= '\0';
 193               dot++;
 194               if (strchr("0123456789", *param_str) != NULL)
 195                 {
 196                   sfr= new cl_cmd_int_arg((long)strtol(param_str, 0, 0));
 197                   sfr->init();
 198                 }
 199               else
 200                 {
 201                   sfr= new cl_cmd_sym_arg(param_str);
 202                   sfr->init();
 203                 }
 204               if (*dot == '\0')
 205                 {
 206                   bit= 0;
 207                   con->dd_printf("Uncomplete bit address\n");
 208                   delete sfr;
 209                 }
 210               else
 211                 {
 212                   if (strchr("0123456789", *dot) != NULL)
 213                     {
 214                       bit= new cl_cmd_int_arg((long)strtol(dot, 0, 0));
 215                       bit->init();
 216                     }
 217                   else
 218                     {
 219                       bit= new cl_cmd_sym_arg(dot);
 220                       bit->init();
 221                     }
 222                   params->add(arg= new cl_cmd_bit_arg(sfr, bit));
 223                   arg->init();
 224                 }
 225             }
 226           else if ((dot= strchr(param_str, '[')) != NULL)
 227             {
 228               // array
 229               class cl_cmd_arg *aname, *aindex;
 230               *dot= '\0';
 231               dot++;
 232               if (strchr("0123456789", *param_str) != NULL)
 233                 {
 234                   aname= new cl_cmd_int_arg((long)strtol(param_str, 0, 0));
 235                   aname->init();
 236                 }
 237               else
 238                 {
 239                   aname= new cl_cmd_sym_arg(param_str);
 240                   aname->init();
 241                 }
 242               if (*dot == '\0')
 243                 {
 244                   aname= 0;
 245                   con->dd_printf("Uncomplete array\n");
 246                 }
 247               else
 248                 {
 249                   char *p;
 250                   p= dot + strlen(dot) - 1;
 251                   while (p > dot &&
 252                          *p != ']')
 253                     {
 254                       *p= '\0';
 255                       p--;
 256                     }
 257                   if (*p == ']')
 258                     *p= '\0';
 259                   if (strlen(dot) == 0)
 260                     {
 261                       con->dd_printf("Uncomplete array index\n");
 262                       delete aname;
 263                     }
 264                   else
 265                     {
 266                       if (strchr("0123456789", *dot) != NULL)
 267                         {
 268                           aindex= new cl_cmd_int_arg((long)strtol(dot, 0, 0));
 269                           aindex->init();
 270                         }
 271                       else
 272                         {
 273                           aindex= new cl_cmd_sym_arg(dot);
 274                           aindex->init();
 275                         }
 276                       params->add(arg= new cl_cmd_array_arg(aname, aindex));
 277                       arg->init();
 278                     }
 279                 }
 280             }
 281           else if (strchr("0123456789", *param_str) != NULL)
 282             {
 283               // number
 284               params->add(arg= new cl_cmd_int_arg((long)
 285                                                   strtol(param_str, 0, 0)));
 286               arg->init();
 287             }
 288           else
 289             {
 290               // symbol
 291               params->add(arg= new cl_cmd_sym_arg(param_str));
 292               arg->init();
 293             }
 294           free(param_str);
 295         }
 296       start= end;
 297       start= skip_delims(start);
 298     }
 299   return(0);
 300 }
 301
 302 int
 303 cl_cmdline::shift(void)
 304 {
 305   char *s= skip_delims(cmd);
 306
 307   set_name(0);
 308   if (s && *s)
 309     {
 310       while (*s &&
 311              strchr(" \t\v\r,", *s) == NULL)
 312         s++;
 313       s= skip_delims(s);
 314       char *p= strdup(s);
 315       free(cmd);
 316       cmd= p;
 317       delete params;
 318       params= new cl_list(2, 2);
 319       split();
 320     }
 321   return(have_real_name());
 322 }
 323
 324 int
 325 cl_cmdline::repeat(void)
 326 {
 327   char *n;
 328   return((n= get_name()) &&
 329          *n == '\n');
 330 }
 331
 332 class cl_cmd_arg *
 333 cl_cmdline::param(int num)
 334 {
 335   if (num >= params->count)
 336     return(0);
 337   return((class cl_cmd_arg *)(params->at(num)));
 338 }
 339
 340 void
 341 cl_cmdline::insert_param(int pos, class cl_cmd_arg *param)
 342 {
 343   if (pos >= params->count)
 344     params->add(param);
 345   else
 346     params->add_at(pos, param);
 347 }
 348
 349 bool
 350 cl_cmdline::syntax_match(class cl_uc *uc, char *syntax)
 351 {
 352   if (!syntax)
 353     return(DD_FALSE);
 354   if (!*syntax &&
 355       !params->count)
 356     {
 357       matched_syntax= syntax;
 358       return(DD_TRUE);
 359     }
 360   if (!params->count)
 361     return(DD_FALSE);
 362   //printf("syntax %s?\n",syntax);
 363   char *p= syntax;
 364   int iparam= 0;
 365   class cl_cmd_arg *parm= (class cl_cmd_arg *)(params->at(iparam));
 366   while (*p &&
 367          parm)
 368     {
 369       //printf("Checking %s as %c\n",parm->get_svalue(),*p);
 370       if (uc)
 371         switch (*p)
 372           {
 373           case SY_ADDR:
 374             if (!parm->as_address(uc))
 375               return(DD_FALSE);
 376             //printf("ADDRESS match %lx\n",parm->value.address);
 377             break;
 378           case SY_MEMORY:
 379             if (!parm->as_memory(uc))
 380               return(DD_FALSE);
 381             //printf("MEMORY match %s\n",parm->value.memory->class_name);
 382             break;
 383           case SY_BIT:
 384             if (!parm->as_bit(uc))
 385               return(DD_FALSE);
 386             break;
 387           }
 388       switch (*p)
 389         {
 390         case SY_NUMBER:
 391           if (!parm->as_number())
 392             return(DD_FALSE);
 393           break;
 394         case SY_DATA:
 395           if (!parm->as_data())
 396             return(DD_FALSE);
 397           break;
 398         case SY_HW:
 399           if (!parm->as_hw(uc))
 400             return(DD_FALSE);
 401           break;
 402         case SY_STRING:
 403           if (!parm->as_string())
 404             return(DD_FALSE);
 405           break;
 406         case SY_DATALIST:
 407           if (!set_data_list(parm, &iparam))
 408             return(DD_FALSE);
 409           break;
 410         default:
 411           return(DD_FALSE);
 412         }
 413       p++;
 414       iparam++;
 415       if (iparam < params->count)
 416         parm= (class cl_cmd_arg *)(params->at(iparam));
 417       else
 418         parm= 0;
 419     }
 420   if (!*p &&
 421       !parm)
 422     {
 423       matched_syntax= syntax;
 424       return(DD_TRUE);
 425     }
 426   return(DD_FALSE);
 427 }
 428
 429 bool
 430 cl_cmdline::set_data_list(class cl_cmd_arg *parm, int *iparm)
 431 {
 432   class cl_cmd_arg *next_parm;
 433   int len, i, j;
 434   t_mem *array;
 435
 436   len= 0;
 437   array= 0;
 438   for (i= *iparm, next_parm= param(i); next_parm; i++, next_parm= param(i))
 439     {
 440       if (next_parm->is_string())
 441         {
 442           int l;
 443           char *s;
 444           //s= proc_escape(next_parm->get_svalue(), &l);
 445           if (!next_parm->as_string())
 446             continue;
 447           s= next_parm->value.string.string;
 448           l= next_parm->value.string.len;
 449           if (!array)
 450             array= (t_mem*)malloc(sizeof(t_mem)*l);
 451           else
 452             array= (t_mem*)realloc(array, sizeof(t_mem)*(l+len));
 453           for (j= 0; j < l; j++)
 454             {
 455               array[len]= s[j];
 456               len++;
 457             }
 458           //if (s)
 459           //free(s);
 460         }
 461       else
 462         {
 463           if (!next_parm->as_data())
 464             {
 465               if (array)
 466                 free(array);
 467               return(DD_FALSE);
 468             }
 469           if (!array)
 470             array= (t_mem*)malloc(sizeof(t_mem));
 471           else
 472             array= (t_mem*)realloc(array, sizeof(t_mem)*(1+len));
 473           array[len]= next_parm->value.data;
 474           len++;
 475         }
 476     }
 477   *iparm= i;
 478   parm->value.data_list.array= array;
 479   parm->value.data_list.len= len;
 480   return(DD_TRUE);
 481 }
 482
 483
 484 /*
 485  * Command
 486  *____________________________________________________________________________
 487  */
 488
 489 cl_cmd::cl_cmd(enum cmd_operate_on op_on,
 490                char *aname,
 491                int can_rep,
 492                char *short_hlp,
 493                char *long_hlp):
 494   cl_base()
 495 {
 496   operate_on= op_on;
 497   names= new cl_strings(1, 1);
 498   names->add(aname?strdup(aname):strdup("unknown"));
 499   can_repeat= can_rep;
 500   short_help= short_hlp?strdup(short_hlp):NULL;
 501   long_help= long_hlp?strdup(long_hlp):NULL;
 502 }
 503
 504 /*cl_cmd::cl_cmd(class cl_sim *asim):
 505   cl_base()
 506 {
 507   sim= asim;
 508   name= short_help= long_help= 0;
 509   can_repeat= 0;
 510 }*/
 511
 512 cl_cmd::~cl_cmd(void)
 513 {
 514   delete names;
 515   if (short_help)
 516     free(short_help);
 517   if (long_help)
 518     free(long_help);
 519 }
 520
 521 void
 522 cl_cmd::add_name(char *nam)
 523 {
 524   if (nam)
 525     names->add(strdup(nam));
 526 }
 527
 528 int
 529 cl_cmd::name_match(char *aname, int strict)
 530 {
 531   int i;
 532
 533   if (names->count == 0 &&
 534       !aname)
 535     return(1);
 536   if (!aname)
 537     return(0);
 538   if (strict)
 539     {
 540       for (i= 0; i < names->count; i++)
 541         {
 542           char *n= (char*)(names->at(i));
 543           if (strcmp(aname, n) == 0)
 544             return(1);
 545         }
 546     }
 547   else
 548     {
 549       for (i= 0; i < names->count; i++)
 550         {
 551           char *n= (char*)(names->at(i));
 552           if (strstr(n, aname) == n)
 553             return(1);
 554         }
 555     }
 556   return(0);
 557 }
 558
 559 int
 560 cl_cmd::name_match(class cl_cmdline *cmdline, int strict)
 561 {
 562   return(name_match(cmdline->get_name(), strict));
 563 }
 564
 565 int
 566 cl_cmd::syntax_ok(class cl_cmdline *cmdline)
 567 {
 568   return(1);
 569 }
 570
 571 int
 572 cl_cmd::work(class cl_app *app,
 573              class cl_cmdline *cmdline, class cl_console *con)
 574 {
 575   if (!syntax_ok(cmdline))
 576     return(0);
 577   class cl_sim *sim= app->get_sim();
 578   class cl_uc *uc= 0;
 579   if (sim)
 580     uc= sim->uc;
 581   switch (operate_on)
 582     {
 583     case operate_on_app:
 584       if (!app)
 585         {
 586           con->dd_printf("There is no application to work on!\n");
 587           return(DD_TRUE);
 588         }
 589       return(do_work(app, cmdline, con));
 590     case operate_on_sim:
 591       if (!sim)
 592         {
 593           con->dd_printf("There is no simulator to work on!\n");
 594           return(DD_TRUE);
 595         }
 596       return(do_work(sim, cmdline, con));
 597     case operate_on_uc:
 598       if (!sim)
 599         {
 600           con->dd_printf("There is no microcontroller to work on!\n");
 601           return(DD_TRUE);
 602         }
 603       return(do_work(uc, cmdline, con));
 604     default:
 605       return(do_work(cmdline, con));
 606     }
 607 }
 608
 609 int
 610 cl_cmd::do_work(class cl_cmdline *cmdline, class cl_console *con)
 611 {
 612   con->dd_printf("Command \"%s\" does nothing.\n",
 613                  (char*)(names->at(0)));
 614   return(0);
 615 }
 616
 617 int
 618 cl_cmd::do_work(class cl_app *app,
 619                 class cl_cmdline *cmdline, class cl_console *con)
 620 {
 621   con->dd_printf("Command \"%s\" does nothing on application.\n",
 622                  (char*)(names->at(0)));
 623   return(0);
 624 }
 625
 626 int
 627 cl_cmd::do_work(class cl_sim *sim,
 628                 class cl_cmdline *cmdline, class cl_console *con)
 629 {
 630   con->dd_printf("Command \"%s\" does nothing on simulator.\n",
 631                  (char*)(names->at(0)));
 632   return(0);
 633 }
 634
 635 int
 636 cl_cmd::do_work(class cl_uc *uc,
 637                 class cl_cmdline *cmdline, class cl_console *con)
 638 {
 639   con->dd_printf("Command \"%s\" does nothing on microcontroller.\n",
 640                  (char*)(names->at(0)));
 641   return(0);
 642 }
 643
 644
 645 /*
 646  * Set of commands
 647  *____________________________________________________________________________
 648  */
 649
 650 cl_cmdset::cl_cmdset(void):
 651   cl_list(5, 5)
 652 {
 653   //sim= 0;
 654   last_command= 0;
 655 }
 656
 657 /*cl_cmdset::cl_cmdset(class cl_sim *asim):
 658   cl_list(5, 5)
 659 {
 660   sim= asim;
 661   last_command= 0;
 662 }*/
 663
 664 class cl_cmd *
 665 cl_cmdset::get_cmd(class cl_cmdline *cmdline)
 666 {
 667   int i;
 668
 669   if (cmdline->repeat())
 670     {
 671       if (last_command)
 672         return(last_command);
 673       else
 674         return(0);
 675     }
 676   // exact match
 677   for (i= 0; i < count; i++)
 678     {
 679       class cl_cmd *c= (class cl_cmd *)at(i);
 680       if (c->name_match(cmdline, 1))
 681         return(c);
 682     }
 683   // not exact match
 684   class cl_cmd *c_matched= 0;
 685   for (i= 0; i < count; i++)
 686     {
 687       class cl_cmd *c= (class cl_cmd *)at(i);
 688       if (c->name_match(cmdline, 0))
 689         {
 690           if (!c_matched)
 691             c_matched= c;
 692           else
 693             return(0);
 694         }
 695     }
 696   return(c_matched);
 697   //return(0);
 698 }
 699
 700 class cl_cmd *
 701 cl_cmdset::get_cmd(char *cmd_name)
 702 {
 703   int i;
 704
 705   for (i= 0; i < count; i++)
 706     {
 707       class cl_cmd *c= (class cl_cmd *)at(i);
 708       if (c->name_match(cmd_name, 1))
 709         return(c);
 710     }
 711   return(0);
 712 }
 713
 714 void
 715 cl_cmdset::del(char *nam)
 716 {
 717   int i;
 718
 719   if (!nam)
 720     return;
 721   for (i= 0; i < count; i++)
 722     {
 723       class cl_cmd *cmd= (class cl_cmd *)(at(i));
 724       if (cmd->name_match(nam, 1))
 725         free_at(i);
 726     }
 727 }
 728
 729 void
 730 cl_cmdset::replace(char *nam, class cl_cmd *cmd)
 731 {
 732   int i;
 733
 734   if (!nam)
 735     return;
 736   for (i= 0; i < count; i++)
 737     {
 738       class cl_cmd *c= (class cl_cmd *)(at(i));
 739       if (c->name_match(nam, 1))
 740         {
 741           delete c;
 742           put_at(i, cmd);
 743         }
 744     }
 745 }
 746
 747
 748 /*
 749  * Composed command: subset of commands
 750  *____________________________________________________________________________
 751  */
 752
 753 cl_super_cmd::cl_super_cmd(char *aname,
 754                            int  can_rep,
 755                            char *short_hlp,
 756                            char *long_hlp,
 757                            class cl_cmdset *acommands):
 758   cl_cmd(operate_on_none, aname, can_rep, short_hlp, long_hlp)
 759 {
 760   commands= acommands;
 761 }
 762
 763 cl_super_cmd::~cl_super_cmd(void)
 764 {
 765   if (commands)
 766     delete commands;
 767 }
 768
 769 int
 770 cl_super_cmd::work(class cl_app *app,
 771                    class cl_cmdline *cmdline, class cl_console *con)
 772 {
 773   class cl_cmd *cmd= 0;
 774
 775   if (!commands)
 776     return(0);
 777
 778   if (!cmdline->shift())
 779     {
 780       if ((cmd= commands->get_cmd("_no_parameters_")) != 0)
 781         return(cmd->work(app, cmdline, con));
 782       int i;
 783       con->dd_printf("\"%s\" must be followed by the name of a subcommand\n"
 784                      "List of subcommands:\n", (char*)(names->at(0)));
 785       for (i= 0; i < commands->count; i++)
 786         {
 787           cmd= (class cl_cmd *)(commands->at(i));
 788           con->dd_printf("%s\n", cmd->short_help);
 789         }
 790       return(0);
 791     }
 792   if ((cmd= commands->get_cmd(cmdline)) == NULL)
 793     {
 794       con->dd_printf("Undefined subcommand: \"%s\". Try \"help %s\".\n",
 795                      cmdline->get_name(), (char*)(names->at(0)));
 796       return(0);
 797     }
 798   return(cmd->work(app, cmdline, con));
 799 }
 800
 801
 802 /* End of cmd.src/command.cc */