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📄 mfcalc.cpp

📁 Linux/windows 环境下跨平台开发程序
💻 CPP
📖 第 1 页 / 共 5 页
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       just return success.     0, or most negative number => error.  */  if (yyn < 0)    {      if (yyn == YYFLAG)	goto yyerrlab;      yyn = -yyn;      goto yyreduce;    }  else if (yyn == 0)    goto yyerrlab;  if (yyn == YYFINAL)    YYACCEPT;  /* Shift the lookahead token.  */#if YYDEBUG != 0  if (yydebug)    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);#endif  /* Discard the token being shifted unless it is eof.  */  if (yychar != YYEOF)    yychar = YYEMPTY;  *++yyvsp = yylval;#ifdef YYLSP_NEEDED  *++yylsp = yylloc;#endif  /* count tokens shifted since error; after three, turn off error status.  */  if (yyerrstatus) yyerrstatus--;  yystate = yyn;  goto yynewstate;/* Do the default action for the current state.  */yydefault:  yyn = yydefact[yystate];  if (yyn == 0)    goto yyerrlab;/* Do a reduction.  yyn is the number of a rule to reduce with.  */yyreduce:  yylen = yyr2[yyn];  if (yylen > 0)    yyval = yyvsp[1-yylen]; /* implement default value of the action */#if YYDEBUG != 0  if (yydebug)    {      int i;      fprintf (stderr, "Reducing via rule %d (line %d), ",	       yyn, yyrline[yyn]);      /* Print the symbols being reduced, and their result.  */      for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)	fprintf (stderr, "%s ", yytname[yyrhs[i]]);      fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);    }#endif  switch (yyn) {case 6:{store_res(&yyvsp[-1]); return 0;;    break;}case 7:{store_res(&yyvsp[-1]); return 0;;    break;}case 8:{store_res(&yyvsp[-1]); return 0;;    break;}case 9:{store_res(&yyvsp[-1]); return 0;;    break;}case 10:{store_res(&yyvsp[-1]); return 0;;    break;}case 11:{yyerrok;;    break;}case 12:{;;    break;}case 13:{yyval.text=add_strings(yyvsp[-2].text, string_value(&yyvsp[0]));;    break;}case 14:{yyval.text=add_strings(string_value(&yyvsp[-2]), yyvsp[0].text);;    break;}case 15:{yyval.text=add_strings(yyvsp[-2].text, yyvsp[0].text);;    break;}case 16:{;;    break;}case 17:{if(yyval.text =(char*)malloc(strlen(yyvsp[-2].tptr->name) +strlen(yyvsp[0].tptr->name) + 2)) sprintf(yyval.text, "%s:%s", yyvsp[-2].tptr->name, yyvsp[0].tptr->name);;    break;}case 19:{if(!yyval.a_data) {yyval.a_data = (double*)malloc(sizeof(double)); yyval.a_count = 1; yyval.a_data[0] = yyval.val;};    break;}case 20:{push(&yyval, &yyvsp[0]);;    break;}case 21:{exec_clause(&yyval);;    break;}case 22:{range_array(&yyval, yyvsp[0].text);;    break;}case 23:{if(yyvsp[-2].val < yyvsp[0].val && (yyval.a_data = (double*)malloc((int)(yyvsp[0].val-yyvsp[-2].val+2)*sizeof(double))))					for(yyval.a_count=0; yyvsp[-2].val<=yyvsp[0].val; yyval.a_data[yyval.a_count++] = yyvsp[-2].val, yyvsp[-2].val += 1.0 );;    break;}case 24:{yyval.val = yyvsp[0].val; yyval.type = NUM;;    break;}case 25:{yyval.val = 0.0;;    break;}case 26:{yyval.val = syntax_level ? syntax_level->clval : 0.0; ;    break;}case 27:{yyval.val = _PI; yyval.type = NUM;;    break;}case 28:{yyval.val = 2.71828182845905; yyval.type = NUM;;    break;}case 29:{yyvsp[0].tptr->GetValue(&yyval);;    break;}case 30:{eval(&yyvsp[0], &yyval);;    break;}case 31:{yyvsp[-2].tptr->SetValue(&yyval, &yyvsp[0]);;    break;}case 32:{yyvsp[-2].tptr->SetValue(&yyval, &yyvsp[0]);;    break;}case 33:{yyval.val = ((yyvsp[-3].tptr->fnctptr)(yyvsp[-1].val));;    break;}case 34:{yyval.val = ((yyvsp[-3].tptr->fnctptr)(proc_clause(&yyvsp[-1])));;    break;}case 35:{push(&yyvsp[-2], &yyvsp[0]); yyval.val = ((yyvsp[-5].tptr->fnctptr)(&yyvsp[-2]));;    break;}case 36:{push(&yyvsp[-4], &yyvsp[-2]); push(&yyvsp[-4], &yyvsp[0]); yyval.val = ((yyvsp[-7].tptr->fnctptr)(&yyvsp[-4]));;    break;}case 37:{yyval.val = ((yyvsp[-3].tptr->fnctptr)(&yyvsp[-1], &yyval));;    break;}case 38:{yyvsp[-1].text = string_value(&yyvsp[-1]); yyval.val = ((yyvsp[-3].tptr->fnctptr)(&yyvsp[-1], &yyval));;    break;}case 39:{yyval.val = ((*yyvsp[-5].tptr->fnctptr)(proc_clause(&yyvsp[-3]), proc_clause(&yyvsp[-1]), 0L));;    break;}case 40:{yyval.val = ((*yyvsp[-7].tptr->fnctptr)(proc_clause(&yyvsp[-5]), proc_clause(&yyvsp[-3]), yyvsp[-1].text));;    break;}case 41:{yyval.val = yyvsp[-2].val != 0 ? eval(&yyvsp[0], &yyval) : 0.0;;    break;}case 42:{yyval.val = yyvsp[-4].val != 0 ? eval(&yyvsp[-2], &yyval) : eval(&yyvsp[0], &yyval);;    break;}case 43:{yyval.val = ((yyvsp[-2].val != 0) && (yyvsp[0].val != 0))? 1 : 0;;    break;}case 44:{yyval.val = ((yyvsp[-2].val != 0) || (yyvsp[0].val != 0))? 1 : 0;;    break;}case 45:{yyval.val = (yyvsp[-2].val == yyvsp[0].val) ? 1 : 0;;    break;}case 46:{yyval.val = (yyvsp[-2].val != yyvsp[0].val) ? 1 : 0;;    break;}case 47:{yyval.val = (yyvsp[-2].val > yyvsp[0].val) ? 1 : 0;;    break;}case 48:{yyval.val = (yyvsp[-2].val >= yyvsp[0].val) ? 1 : 0;;    break;}case 49:{yyval.val = (yyvsp[-2].val < yyvsp[0].val) ? 1 : 0;;    break;}case 50:{yyval.val = (yyvsp[-2].val <= yyvsp[0].val) ? 1 : 0;;    break;}case 51:{yyval.val = yyvsp[-2].val + yyvsp[0].val;;    break;}case 52:{yyval.val = yyvsp[-2].val - yyvsp[0].val;;    break;}case 53:{yyval.val = yyvsp[-2].val * yyvsp[0].val;;    break;}case 54:{if(yyvsp[0].val != 0.0) yyval.val = yyvsp[-2].val / yyvsp[0].val;					else yyval.val = (getsym(HashValue((unsigned char*)"zdiv")))->GetValue(); ;    break;}case 55:{yyval.val = -yyvsp[0].val;;    break;}case 56:{yyval.val=yyvsp[-1].tptr->GetValue(); yyvsp[-1].tptr->SetValue(yyval.val+1.0); yyval.val -= 1.0; yyval.type = NUM;;    break;}case 57:{yyval.val=yyvsp[-1].tptr->GetValue(); yyvsp[-1].tptr->SetValue(yyval.val-1.0); yyval.val += 1.0; yyval.type = NUM;;    break;}case 58:{yyval.val=yyvsp[0].tptr->GetValue(); yyvsp[0].tptr->SetValue(yyval.val+1.0); yyval.type = NUM;;    break;}case 59:{yyval.val=yyvsp[0].tptr->GetValue(); yyvsp[0].tptr->SetValue(yyval.val-1.0); yyval.type = NUM;;    break;}case 60:{yyval.val = pow(yyvsp[-2].val, yyvsp[0].val);;    break;}case 61:{memcpy(&yyval, &yyvsp[-1], sizeof(YYSTYPE)); yyvsp[-1].a_data = 0L; yyvsp[-1].a_count = 0;;    break;}case 62:{memcpy(&yyval, yyvsp[-4].val != 0.0 ? &yyvsp[-2] : &yyvsp[0], sizeof(YYSTYPE));    break;}case 63:{memcpy(&yyval, yyvsp[-4].val != 0.0 ? &yyvsp[-2] : &yyvsp[0], sizeof(YYSTYPE));    break;}case 64:{memcpy(&yyval, yyvsp[-4].val != 0.0 ? &yyvsp[-2] : &yyvsp[0], sizeof(YYSTYPE));    break;}case 65:{memcpy(&yyval, yyvsp[-4].val != 0.0 ? &yyvsp[-2] : &yyvsp[0], sizeof(YYSTYPE));    break;}}   /* the action file gets copied in in place of this dollarsign */  yyvsp -= yylen;  yyssp -= yylen;#ifdef YYLSP_NEEDED  yylsp -= yylen;#endif#if YYDEBUG != 0  if (yydebug)    {      short *ssp1 = yyss - 1;      fprintf (stderr, "state stack now");      while (ssp1 != yyssp)	fprintf (stderr, " %d", *++ssp1);      fprintf (stderr, "\n");    }#endif  *++yyvsp = yyval;#ifdef YYLSP_NEEDED  yylsp++;  if (yylen == 0)    {      yylsp->first_line = yylloc.first_line;      yylsp->first_column = yylloc.first_column;      yylsp->last_line = (yylsp-1)->last_line;      yylsp->last_column = (yylsp-1)->last_column;      yylsp->text = 0;    }  else    {      yylsp->last_line = (yylsp+yylen-1)->last_line;      yylsp->last_column = (yylsp+yylen-1)->last_column;    }#endif  /* Now "shift" the result of the reduction.     Determine what state that goes to,     based on the state we popped back to     and the rule number reduced by.  */  yyn = yyr1[yyn];  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;  if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)    yystate = yytable[yystate];  else    yystate = yydefgoto[yyn - YYNTBASE];  goto yynewstate;yyerrlab:   /* here on detecting error */  if (! yyerrstatus)    /* If not already recovering from an error, report this error.  */    {      ++yynerrs;#ifdef YYERROR_VERBOSE      yyn = yypact[yystate];      if (yyn > YYFLAG && yyn < YYLAST)	{	  int size = 0;	  char *msg;	  int x, count;	  count = 0;	  /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */	  for (x = (yyn < 0 ? -yyn : 0);	       x < (sizeof(yytname) / sizeof(char *)); x++)	    if (yycheck[x + yyn] == x)	      size += strlen(yytname[x]) + 15, count++;	  msg = (char *) malloc(size + 15);	  if (msg != 0)	    {	      strcpy(msg, "parse error");	      if (count < 5)		{		  count = 0;		  for (x = (yyn < 0 ? -yyn : 0);		       x < (sizeof(yytname) / sizeof(char *)); x++)		    if (yycheck[x + yyn] == x)		      {			strcat(msg, count == 0 ? ", expecting `" : " or `");			strcat(msg, yytname[x]);			strcat(msg, "'");			count++;		      }		}	      yyerror(msg);	      free(msg);	    }	  else	    yyerror ("parse error; also virtual memory exceeded");	}      else#endif /* YYERROR_VERBOSE */	yyerror("parse error");    }  goto yyerrlab1;yyerrlab1:   /* here on error raised explicitly by an action */  if (yyerrstatus == 3)    {      /* if just tried and failed to reuse lookahead token after an error, discard it.  */      /* return failure if at end of input */      if (yychar == YYEOF)	YYABORT;#if YYDEBUG != 0      if (yydebug)	fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);#endif      yychar = YYEMPTY;    }  /* Else will try to reuse lookahead token     after shifting the error token.  */  yyerrstatus = 3;		/* Each real token shifted decrements this */  goto yyerrhandle;yyerrdefault:  /* current state does not do anything special for the error token. */#if 0  /* This is wrong; only states that explicitly want error tokens     should shift them.  */  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/  if (yyn) goto yydefault;#endifyyerrpop:   /* pop the current state because it cannot handle the error token */  if (yyssp == yyss) YYABORT;  yyvsp--;  yystate = *--yyssp;#ifdef YYLSP_NEEDED  yylsp--;#endif#if YYDEBUG != 0  if (yydebug)    {      short *ssp1 = yyss - 1;      fprintf (stderr, "Error: state stack now");      while (ssp1 != yyssp)	fprintf (stderr, " %d", *++ssp1);      fprintf (stderr, "\n");    }#endifyyerrhandle:  yyn = yypact[yystate];  if (yyn == YYFLAG)    goto yyerrdefault;  yyn += YYTERROR;  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)    goto yyerrdefault;  yyn = yytable[yyn];  if (yyn < 0)    {      if (yyn == YYFLAG)	goto yyerrpop;      yyn = -yyn;      goto yyreduce;    }  else if (yyn == 0)    goto yyerrpop;  if (yyn == YYFINAL)    YYACCEPT;#if YYDEBUG != 0  if (yydebug)    fprintf(stderr, "Shifting error token, ");#endif  *++yyvsp = yylval;#ifdef YYLSP_NEEDED  *++yylsp = yylloc;#endif  yystate = yyn;  goto yynewstate; yyacceptlab:

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