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/*****************************************/
/* CLE-2000 API */
/* AUTHOR OF FORTRAN VERSION: R. Roy */
/* AUTHOR: A. Hebert ; 11/05/09 */
/*****************************************/
#include <stdlib.h>
#include <string.h>
#include "cle2000.h"
#include "header.h"
#define index_f(A, B) (strstr(A, B) == NULL ? 0 : strstr(A, B) - A + 1)
#define ntotxr 7
#define nmawrd 60
#define nlogkw 15
int_32 clexrf(kdi_file *iunito, FILE *iwrite)
{
char *nomsub = "clexrf";
static char cl2000[] = "CLE2000(V3)";
static char ctitxr[] = "* CLE-2000 VERS 3.0 * CROSS REFERENCE LISTING";
static char ctitdb[] = "* CLE-2000 VERS 3.0 * DEBUG (WARNINGS AND ERRORS)";
static char *clogbg[] = {"INTEGER", "REAL", "STRING", "DOUBLE", "LOGICAL", "EVALUATE",
"ECHO", "ELSEIF", "IF", "WHILE", "UNTIL", "ENDWHILE", "REPEAT",
"ELSE", "ENDIF"};
static char *clognd[] = {";", ";", ";", ";", ";", ";", ";", "THEN", "THEN", "DO",
";", ";", "REPEAT", "ELSE", ";"};
static char *ctypes[] = {"_I", "_R", "_S", "_D", "_L"};
/* CLE-2000 SYSTEM: R.ROY (11/1999), VERSION 3.0 */
/* *CLEXRF* X-REF FOR VARIABLES ON THE D.A. UNIT *IUNITO* */
/* OUTPUT IS WRITTEN ON UNIT *IWRITE* */
/* USE: DRESS UP A LIST OF VARIABLES AND LINES WHERE USED. */
/* <<.>> AND >>.<< STATEMENTS ARE ALSO CHECKED; */
/* IN DEBUG MODE, ATTEMPT TO LIST POSSIBLE ERRORS. */
/* INPUT: *IUNITO* IS THE DIRECT ACCESS UNIT FOR OBJECT CODE */
/* *IWRITE* IS THE OUTPUT UNIT */
/* NOTE: *CLEXRF* = 0 IF NO PROBLEM WAS ENCOUNTERED WHILE COMPILING */
int_32 ret_val = 0;
int_32 i, irecor, iofset, ninput, maxlvl, nstack, ixrlst, idblst, iretcd, indlin,
idclin, idefin, iusein, ilines, ilevel;
char cparin[13], myparm[13], chrend[13], myreco[121], cdatin[121];
char cerror[13], cdefst[21], cusest[21];
int_32 maskck[nmaskc], ipacki[nmaskc];
int_32 idebwd[nmawrd+1], ifinwd[nmawrd+1], jndlec[nmawrd];
int_32 lequal=0, istack, linxrf[ntotxr];
char my_header[38];
/* READ TOP OF OBJECT FILE */
iretcd = kdiget_c(iunito, (int_32 *)&header, 0, kdisize(header));
if (iretcd != 0) goto L9023;
strcpy(cparin, header.cparin);
strcpy(myreco, header.cdatin);
ninput = header.ninput;
maxlvl = header.maxlvl;
nstack = header.nstack;
ixrlst = header.ixrlst;
idblst = header.idblst;
if (strcmp(cparin, cl2000) != 0) goto L9025;
/* CASE WHERE DEBUG IS ACTIVE */
if (idblst > 0) {
int_32 lfirst = 1;
for (irecor = ninput + 1; irecor <= ninput + nstack; ++irecor) {
iofset = (irecor - 1) * lrclen;
iretcd = kdiget_c(iunito, (int_32 *)&record2, iofset, kdisize(record2));
if (iretcd != 0) goto L9023;
strcpy(cparin, record2.cparin);
strcpy(cdatin, record2.cdatin);
indlin = record2.indlin;
idclin = record2.idclin;
idefin = record2.idefin;
iusein = record2.iusein;
if (cparin[0] == '$') goto L60;
if (idefin == 0) {
strcpy(cdefst, "NOT DEFINED");
if (iusein == 0) {
strcpy(cusest, "NOT USED");
strcpy(cerror, "WARNING");
} else {
strcpy(cusest, "BEFORE DEFINED");
strcpy(cerror, "EXTERNAL");
}
} else if (iusein == 0) {
strcpy(cusest, "NOT USED");
strcpy(cerror, "WARNING");
} else {
if (idclin > idefin) {
strcpy(cdefst, "BEFORE DECLARED");
strcpy(cerror, "ERROR");
++ret_val;
}
if (idefin > iusein) {
strcpy(cusest, "BEFORE DEFINED");
strcpy(cerror, "ERROR");
++ret_val;
}
}
if (lfirst && strcmp(cerror, " ") != 0) {
fprintf(iwrite, "\n");
fprintf(iwrite, "%-72s\n", ctitdb);
fprintf(iwrite, " REPORT-----/VARIABLE----/DEFINED-STATUS------/USED-STATUS---------\n");
lfirst = 0;
}
if (strcmp(cerror, " ") != 0) {
fprintf(iwrite, "%-12s/%-12s/%-20s/%-20s\n", cerror, cparin, cdefst, cusest);
}
L60:
;
}
if (!lfirst) {
if (ret_val > 0) {
fprintf(iwrite, " REPORT-----> NB. OF ERRORS=%7d\n", (int)ret_val);
fprintf(iwrite, " REPORT-----> MAY STILL EXECUTE WELL...\n");
}
fprintf(iwrite, " \n");
}
}
/* CASE WHERE NO XREF WAS ASKED */
if (ixrlst <= 0) goto L666;
/* CASES WHERE THERE ARE NO CLE-2000 VARIABLES OR SENTENCES */
if (nstack == 0 || maxlvl == 0) goto L666;
fprintf(iwrite, "%-72s\n", ctitxr);
fprintf(iwrite, " \n");
fprintf(iwrite, " VARIABLE TYPE LIN_DCL **** FOUND IN LINES (- MEANS NEW EVALUATION) ****\n");
fprintf(iwrite, " \n");
/* *** MAIN LOOP OVER VARIABLES (BEGIN) */
for (istack = ninput + 1; istack <= ninput + nstack; ++istack) {
int_32 ilogin = 0;
int_32 jlines = 0;
int_32 iuseln = 0;
int_32 idefln = 0;
int_32 nxreft = 0;
iofset = (istack - 1) * lrclen;
iretcd = kdiget_c(iunito, (int_32 *)&record2, iofset, kdisize(record2));
if (iretcd != 0) goto L9023;
strcpy(myparm, record2.cparin);
strcpy(cdatin, record2.cdatin);
indlin = record2.indlin;
idclin = record2.idclin;
idefin = record2.idefin;
iusein = record2.iusein;
/* PREPARE HEADER FOR VARIABLE *MYPARM* */
sprintf(my_header, " %-4d %-12s %-2s %04d_", (int)istack, myparm, ctypes[abs(indlin)-1], (int)idclin);
/* *** MAIN LOOP OVER RECORDS (BEGIN) */
for (irecor = 2; irecor <= ninput; ++irecor) {
int_32 iloop1, jloop2;
char cparav[13];
/* READ A NEW RECORD */
iofset = (irecor - 1) * lrclen;
iretcd = kdiget_c(iunito, (int_32 *)&record1, iofset, kdisize(record1));
if (iretcd != 0) goto L9023;
strcpy(cparin, record1.cparin);
strcpy(myreco, record1.myreco);
ilines = record1.ilines;
ilevel = record1.ilevel;
for (i = 0; i < nmaskc; i++) maskck[i] = record1.maskck[i];
for (i = 0; i < nmaskc; i++) ipacki[i] = record1.ipacki[i];
/* RECORDS OUTSIDE CLE-2000, CHECK >>.<< DEFINITIONS */
/* AND <<.>> USES (FOR DECLARED VARIABLE) */
if (ilevel == 0) {
L10:
iloop1 = index_f(myreco, ">>");
jloop2 = index_f(myreco, "<<");
if (iloop1 != 0) {
/* RECOVER VARIABLE NAME INSIDE <<.>> OR >>.<< */
if (jloop2 > iloop1) {
strncpy(cparav, &myreco[iloop1+1], jloop2-iloop1-2);
cparav[jloop2-iloop1-2] = '\0';
if (strcmp(cparav, myparm) == 0) iuseln = -ilines;
for (i = iloop1-1; i < jloop2+1; i++) myreco[i] = ' ';
} else {
strncpy(cparav, &myreco[jloop2+1], iloop1-jloop2-2);
cparav[iloop1-jloop2-2] = '\0';
if (strcmp(cparav, myparm) == 0) {
if (iuseln == 0) iuseln = ilines;
}
for (i = jloop2-1; i < iloop1+1; i++) myreco[i] = ' ';
}
goto L10;
}
/* RECORDS INSIDE CLE-2000, CHECK ALL DEFINITIONS/EVALUATIONS */
} else {
int_32 logprv = (ilogin == 0);
int_32 iwords = 1;
int_32 nwords = 1;
int_32 jbiprv = 0;
if (logprv) {
for (iloop1 = 1; iloop1 <= nlogkw - 4; ++iloop1) {
if (strcmp(cparin, clogbg[iloop1- 1]) == 0) ilogin = iloop1;
}
if (ilogin == 0) goto L100;
/* KEYWORDS: *ECHO+/+ELSEIF+/+IF+/+WHILE+/+UNTIL* */
/* ASSUME THAT THERE WAS AN *:=* SIGN */
/* (AS IF WE WERE THEN ON RIGHT SIDE OF AN EVALUATE) */
lequal = (ilogin >= 7);
strcpy(chrend, clognd[ilogin-1]);
}
/* HERE, WE HAVE FOUND A SENTENCE INCLUDING A STACK... */
/* BEGIN: MASK RECOVERY */
for (iloop1 = 1; iloop1 <= 72; ++iloop1) {
int_32 jbicur;
jloop2 = (iloop1 + 23) / 24;
jbicur = maskck[jloop2-1] % 2;
iwords += jbiprv * (1 - jbicur);
idebwd[nwords-1] = iloop1;
ifinwd[iwords-1] = iloop1;
nwords += jbicur * (1 - jbiprv);
jbiprv = jbicur;
maskck[jloop2-1] /= 2;
}
--nwords;
/* END: MASK RECOVERY */
if (logprv) {
/* THIS IS A NEW *ILOGIN* */
if (nwords == 1) goto L100;
/* START AT CURRENT WORD NUMBER 2 */
iwords = 2;
} else {
/* THIS IS NOW THE FIRST WORD, BUT WITH AN OLD *ILOGIN* */
iwords = 1;
}
/* BEGIN: UNPACK JNDLEC WITH TYPES (ITYP-1) */
for (iloop1 = 1; iloop1 <= nwords; ++iloop1) {
jloop2 = ((iloop1 << 1) + 23) / 24;
jndlec[iloop1 - 1] = ipacki[jloop2 - 1] % 4;
ipacki[jloop2 - 1] /= 4;
}
/* END: UNPACK JNDLEC WITH TYPES (ITYP-1) */
for (iloop1 = iwords; iloop1 <= nwords; ++iloop1) {
if (jndlec[iloop1-1] == 2 && myreco[idebwd[iloop1-1]-1] != '\"') {
strncpy(cparav, &myreco[idebwd[iloop1 - 1] - 1], ifinwd[iloop1-1]-idebwd[iloop1-1]+1);
cparav[ifinwd[iloop1-1]-idebwd[iloop1-1]+1] = '\0';
if (strcmp(cparav, chrend) == 0) {
/* RESET *ILOGIN* AND LEFT/RIGHT NUMBERS */
ilogin = 0;
idefln = 0;
} else if (lequal) {
if (strcmp(cparav, myparm) == 0) {
/* USING THIS VARIABLE */
if (iuseln == 0) iuseln = ilines;
}
} else {
if (strcmp(cparav, ":=") == 0) {
lequal = 1;
/* *:=* SIGN IMPLIES REDEFINITION */
if (idefln != 0) iuseln = -idefln;
idefln = 0;
} else {
/* KEEP THE DEFINITION LINE UNTIL *:=* OR CHREND */
if (strcmp(cparav, myparm) == 0) idefln = ilines;
}
}
}
}
}
/* HAVE WE FOUND A NEW XREF LINE ? */
if (iuseln != 0 && iuseln != jlines) {
if (nxreft == ntotxr) {
char xline[81];
sprintf(&xline[0], "%-24s", my_header);
for (i = 0; i < ntotxr; i++) sprintf(&xline[24 + 8*i], " %04d", (int)linxrf[i]);
fprintf(iwrite, "%-80s\n", xline);
strcpy(my_header, " ");
nxreft = 0;
}
++nxreft;
linxrf[nxreft - 1] = iuseln;
jlines = iuseln;
}
iuseln = 0;
L100:
;
}
/* *** MAIN LOOP OVER RECORDS (END) */
/* POSSIBLE INCOMPLETE LAST LINE... */
if (nxreft != 0) {
char xline[81];
sprintf(&xline[0], "%-24s", my_header);
for (i = 0; i < nxreft; i++) sprintf(&xline[24 + 8*i], " %04d", (int)linxrf[i]);
fprintf(iwrite, "%-80s\n", xline);
} else if (strcmp(my_header, " ") != 0) {
fprintf(iwrite, "%-24s <= WARNING: NEVER DEFINED, NEVER USED... POSSIBLE ERROR\n", my_header);
}
}
/* *** MAIN LOOP OVER VARIABLES (END) */
fprintf(iwrite, " \n");
L666:
return ret_val;
L9023:
iretcd = -1;
printf("! %s: IOSTAT RETURN CODE =%d\n", nomsub,(int)iretcd);
printf("! %s: IMPOSSIBLE TO USE THIS *OBJECT* FILE\n", nomsub);
ret_val = -2;
goto L666;
L9025:
printf("! %s: IMPOSSIBLE TO USE OLD *OBJECT* FILE\n", nomsub);
ret_val = -3;
goto L666;
} /* clexrf */
|
