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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* readobj2.c - routines for reading in object descriptions. |
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*/ |
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#include "standard.h" |
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#include <ctype.h> |
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#include <stdio.h> |
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#include "platform.h" |
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#include "rtprocess.h" |
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#include "rtmath.h" |
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#include "rtio.h" |
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#include "rterror.h" |
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#include "object.h" |
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#include "otypes.h" |
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#include "oconv.h" |
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#include <ctype.h> |
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OBJREC *objblock[MAXOBJBLK]; /* our objects */ |
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OBJECT nobjects = 0; /* # of objects */ |
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int newobject() {return(0);} |
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static void getobject2(char *name, FILE *fp, ro_cbfunc f); |
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readobj(input, callback) /* read in an object file or stream */ |
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char *input; |
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int (*callback)(); |
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void |
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readobj2( /* read in an object file or stream */ |
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char *input, |
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ro_cbfunc callback |
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) |
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{ |
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FILE *popen(); |
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char *fgets(), *fgetline(); |
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char *fgetline(); |
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FILE *infp; |
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char buf[512]; |
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register int c; |
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} else if (c == '!') { /* command */ |
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ungetc(c, infp); |
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fgetline(buf, sizeof(buf), infp); |
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readobj(buf, callback); |
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readobj2(buf, callback); |
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} else { /* object */ |
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ungetc(c, infp); |
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getobject(input, infp, callback); |
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getobject2(input, infp, callback); |
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} |
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} |
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if (input[0] == '!') |
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} |
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getobject(name, fp, f) /* read the next object */ |
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char *name; |
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FILE *fp; |
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int (*f)(); |
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static void |
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getobject2( /* read the next object */ |
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char *name, |
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FILE *fp, |
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ro_cbfunc f |
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) |
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{ |
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char sbuf[MAXSTR]; |
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OBJREC thisobj; |
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/* get modifier */ |
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fscanf(fp, "%*s"); |
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fgetword(sbuf, MAXSTR, fp); |
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thisobj.omod = OVOID; |
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/* get type */ |
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fscanf(fp, "%s", sbuf); |
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if (!strcmp(sbuf, ALIASID)) |
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thisobj.otype = -1; |
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else if ((thisobj.otype = otype(sbuf)) < 0) { |
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fgetword(sbuf, MAXSTR, fp); |
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if ((thisobj.otype = otype(sbuf)) < 0) { |
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sprintf(errmsg, "(%s): unknown type \"%s\"", name, sbuf); |
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error(USER, errmsg); |
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} |
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/* get identifier */ |
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fscanf(fp, "%s", sbuf); |
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fgetword(sbuf, MAXSTR, fp); |
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thisobj.oname = sbuf; |
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/* get arguments */ |
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if (thisobj.otype == -1) { |
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if (thisobj.otype == MOD_ALIAS) { |
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fscanf(fp, "%*s"); |
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return; |
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} |
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if (readfargs(&thisobj.oargs, fp) < 0) { |
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if (readfargs(&thisobj.oargs, fp) <= 0) { |
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sprintf(errmsg, "(%s): bad arguments", name); |
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objerror(&thisobj, USER, errmsg); |
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} |
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thisobj.os = NULL; |
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thisobj.lastrno = -1; |
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/* call function */ |
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(*f)(&thisobj); |
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/* free memory */ |
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if (thisobj.os != NULL) |
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switch (thisobj.otype) { |
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case OBJ_CONE: |
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case OBJ_CUP: |
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case OBJ_CYLINDER: |
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case OBJ_TUBE: |
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case OBJ_RING: |
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freecone(&thisobj); |
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break; |
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case OBJ_FACE: |
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freeface(&thisobj); |
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break; |
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case OBJ_INSTANCE: |
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freeinstance(&thisobj); |
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break; |
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} |
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freefargs(&thisobj.oargs); |
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} |
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readfargs(fa, fp) /* read function arguments from stream */ |
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register FUNARGS *fa; |
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FILE *fp; |
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{ |
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char sbuf[MAXSTR]; |
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int n; |
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register int i; |
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|
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if (fscanf(fp, "%d", &n) != 1 || n < 0) |
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return(-1); |
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if (fa->nsargs = n) { |
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fa->sarg = (char **)malloc(n*sizeof(char *)); |
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if (fa->sarg == NULL) |
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goto memerr; |
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for (i = 0; i < fa->nsargs; i++) { |
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if (fscanf(fp, "%s", sbuf) != 1) |
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return(-1); |
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fa->sarg[i] = savestr(sbuf); |
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} |
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} else |
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fa->sarg = NULL; |
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if (fscanf(fp, "%d", &n) != 1 || n < 0) |
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return(-1); |
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#ifdef IARGS |
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if (fa->niargs = n) { |
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fa->iarg = (long *)malloc(n*sizeof(long)); |
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if (fa->iarg == NULL) |
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goto memerr; |
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for (i = 0; i < n; i++) |
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if (fscanf(fp, "%ld", &fa->iarg[i]) != 1) |
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return(-1); |
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} else |
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fa->iarg = NULL; |
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#else |
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if (n != 0) |
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return(-1); |
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#endif |
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if (fscanf(fp, "%d", &n) != 1 || n < 0) |
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return(-1); |
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if (fa->nfargs = n) { |
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fa->farg = (double *)malloc(n*sizeof(double)); |
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if (fa->farg == NULL) |
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goto memerr; |
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for (i = 0; i < n; i++) |
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if (fscanf(fp, "%lf", &fa->farg[i]) != 1) |
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return(-1); |
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} else |
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fa->farg = NULL; |
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return(0); |
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memerr: |
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error(SYSTEM, "out of memory in readfargs"); |
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} |
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|
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freefargs(fa) /* free arguments */ |
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register FUNARGS *fa; |
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{ |
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register int i; |
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|
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if (fa->nsargs) { |
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for (i = 0; i < fa->nsargs; i++) |
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free(fa->sarg[i]); |
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free((char *)fa->sarg); |
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} |
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#ifdef IARGS |
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if (fa->niargs) |
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free((char *)fa->iarg); |
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#endif |
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if (fa->nfargs) |
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free((char *)fa->farg); |
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free_os(&thisobj); |
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} |
