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- /****************************************************************
- Copyright 1990 by AT&T Bell Laboratories and Bellcore.
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, provided that the above copyright notice appear in all
- copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the names of AT&T Bell Laboratories or
- Bellcore or any of their entities not be used in advertising or
- publicity pertaining to distribution of the software without
- specific, written prior permission.
-
- AT&T and Bellcore disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall AT&T or Bellcore be liable for
- any special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
- ****************************************************************/
-
- #include "defs.h"
- #include "output.h"
- #include "iob.h"
-
- /* State required for the C output */
- char *fl_fmt_string; /* Float format string */
- char *db_fmt_string; /* Double format string */
- char *cm_fmt_string; /* Complex format string */
- char *dcm_fmt_string; /* Double complex format string */
-
- chainp new_vars = CHNULL; /* List of newly created locals in this
- function. These may have identifiers
- which have underscores and more than VL
- characters */
- chainp used_builtins = CHNULL; /* List of builtins used by this function.
- These are all Addrps with UNAM_EXTERN
- */
- chainp assigned_fmts = CHNULL; /* assigned formats */
- chainp allargs; /* union of args in all entry points */
- chainp earlylabs; /* labels seen before enddcl() */
- char main_alias[52]; /* PROGRAM name, if any is given */
- int tab_size = 4;
-
-
- FILEP infile;
- FILEP diagfile;
-
- FILEP c_file;
- FILEP pass1_file;
- FILEP initfile;
- FILEP blkdfile;
-
-
- char token[MAXTOKENLEN];
- int toklen;
- long lineno; /* Current line in the input file, NOT the
- Fortran statement label number */
- char *infname;
- int needkwd;
- struct Labelblock *thislabel = NULL;
- int nerr;
- int nwarn;
-
- flag saveall;
- flag substars;
- int parstate = OUTSIDE;
- flag headerdone = NO;
- int blklevel;
- int doin_setbound;
- int impltype[26];
- ftnint implleng[26];
- int implstg[26];
-
- int tyint = TYLONG ;
- int tylogical = TYLONG;
- int typesize[NTYPES] = {
- 1, SZADDR, SZSHORT, SZLONG, SZLONG, 2*SZLONG,
- 2*SZLONG, 4*SZLONG, SZLONG, 1, 1, 0,
- 4*SZLONG + SZADDR, /* sizeof(cilist) */
- 4*SZLONG + 2*SZADDR, /* sizeof(icilist) */
- 4*SZLONG + 5*SZADDR, /* sizeof(olist) */
- 2*SZLONG + SZADDR, /* sizeof(cllist) */
- 2*SZLONG, /* sizeof(alist) */
- 11*SZLONG + 15*SZADDR /* sizeof(inlist) */
- };
-
- int typealign[NTYPES] = {
- 1, ALIADDR, ALISHORT, ALILONG, ALILONG, ALIDOUBLE,
- ALILONG, ALIDOUBLE, ALILONG, 1, 1, 1,
- ALILONG, ALILONG, ALILONG, ALILONG, ALILONG, ALILONG};
-
- int type_choice[4] = { TYDREAL, TYSHORT, TYLONG, TYSHORT };
-
- char *typename[] = {
- "<<unknown>>",
- "address",
- "shortint",
- "integer",
- "real",
- "doublereal",
- "complex",
- "doublecomplex",
- "logical",
- "char" /* character */
- };
-
- int type_pref[NTYPES] = { 0, 0, 2, 4, 5, 7, 6, 8, 3, 1 };
-
- char *protorettypes[] = {
- "?", "??", "shortint", "integer", "real", "doublereal",
- "C_f", "Z_f", "logical", "H_f", "int"
- };
-
- char *casttypes[TYSUBR+1] = {
- "U_fp", "??bug??",
- "J_fp", "I_fp", "R_fp",
- "D_fp", "C_fp", "Z_fp",
- "L_fp", "H_fp", "S_fp"
- };
- char *usedcasts[TYSUBR+1];
-
- char *dfltarg[] = {
- 0, 0,
- "(shortint *)0", "(integer *)0", "(real *)0",
- "(doublereal *)0", "(complex *)0", "(doublecomplex *)0",
- "(logical *)0", "(char *)0"
- };
-
- static char *dflt0proc[] = {
- 0, 0,
- "(shortint (*)())0", "(integer (*)())0", "(real (*)())0",
- "(doublereal (*)())0", "(complex (*)())0", "(doublecomplex (*)())0",
- "(logical (*)())0", "(char (*)())0", "(int (*)())0"
- };
-
- char *dflt1proc[] = { "(U_fp)0", "(??bug??)0",
- "(J_fp)0", "(I_fp)0", "(R_fp)0",
- "(D_fp)0", "(C_fp)0", "(Z_fp)0",
- "(L_fp)0", "(H_fp)0", "(S_fp)0"
- };
-
- char **dfltproc = dflt0proc;
-
- static char Bug[] = "bug";
-
- char *ftn_types[] = { "external", "??",
- "integer*2", "integer", "real",
- "double precision", "complex", "double complex",
- "logical", "character", "subroutine",
- Bug,Bug,Bug,Bug,Bug,Bug,Bug,Bug,Bug, "ftnlen"
- };
-
- int init_ac[TYSUBR+1] = { 0,0,0,0,0,0, 1, 1, 0, 2};
-
- int proctype = TYUNKNOWN;
- char *procname;
- int rtvlabel[NTYPES0];
- Addrp retslot; /* Holds automatic variable which was
- allocated the function return value
- */
- Addrp xretslot[NTYPES0]; /* for multiple entry points */
- int cxslot = -1;
- int chslot = -1;
- int chlgslot = -1;
- int procclass = CLUNKNOWN;
- int nentry;
- int nallargs;
- int nallchargs;
- flag multitype;
- ftnint procleng;
- long lastiolabno;
- int lastlabno;
- int lastvarno;
- int lastargslot;
- int autonum[TYVOID];
- char *av_pfix[TYVOID] = {"??TYUNKNOWN??", "a","s","i","r","d","q","z","L","ch",
- "??TYSUBR??", "??TYERROR??","ci", "ici",
- "o", "cl", "al", "ioin" };
-
- extern int maxctl;
- struct Ctlframe *ctls;
- struct Ctlframe *ctlstack;
- struct Ctlframe *lastctl;
-
- Namep regnamep[MAXREGVAR];
- int highregvar;
- int nregvar;
-
- extern int maxext;
- Extsym *extsymtab;
- Extsym *nextext;
- Extsym *lastext;
-
- extern int maxequiv;
- struct Equivblock *eqvclass;
-
- extern int maxhash;
- struct Hashentry *hashtab;
- struct Hashentry *lasthash;
-
- extern int maxstno; /* Maximum number of statement labels */
- struct Labelblock *labeltab;
- struct Labelblock *labtabend;
- struct Labelblock *highlabtab;
-
- int maxdim = MAXDIM;
- struct Rplblock *rpllist = NULL;
- struct Chain *curdtp = NULL;
- flag toomanyinit;
- ftnint curdtelt;
- chainp templist[TYVOID];
- chainp holdtemps;
- int dorange = 0;
- struct Entrypoint *entries = NULL;
-
- chainp chains = NULL;
-
- flag inioctl;
- int iostmt;
- int nioctl;
- int nequiv = 0;
- int eqvstart = 0;
- int nintnames = 0;
-
- struct Literal *litpool;
- int nliterals;
-
- char dflttype[26];
- char hextoi_tab[Table_size], Letters[Table_size];
- char *ei_first, *ei_next, *ei_last;
- char *wh_first, *wh_next, *wh_last;
-
- #define ALLOCN(n,x) (struct x *) ckalloc((n)*sizeof(struct x))
-
- fileinit()
- {
- register char *s;
- register int i, j;
- extern void fmt_init(), mem_init(), np_init();
-
- lastiolabno = 100000;
- lastlabno = 0;
- lastvarno = 0;
- nliterals = 0;
- nerr = 0;
-
- infile = stdin;
-
- memset(dflttype, tyreal, 26);
- memset(dflttype + 'i' - 'a', tyint, 6);
- memset(hextoi_tab, 16, sizeof(hextoi_tab));
- for(i = 0, s = "0123456789abcdef"; *s; i++, s++)
- hextoi(*s) = i;
- for(i = 10, s = "ABCDEF"; *s; i++, s++)
- hextoi(*s) = i;
- for(j = 0, s = "abcdefghijklmnopqrstuvwxyz"; i = *s++; j++)
- Letters[i] = Letters[i+'A'-'a'] = j;
-
- ctls = ALLOCN(maxctl+1, Ctlframe);
- extsymtab = ALLOCN(maxext, Extsym);
- eqvclass = ALLOCN(maxequiv, Equivblock);
- hashtab = ALLOCN(maxhash, Hashentry);
- labeltab = ALLOCN(maxstno, Labelblock);
- litpool = ALLOCN(maxliterals, Literal);
- fmt_init();
- mem_init();
- np_init();
-
- ctlstack = ctls++;
- lastctl = ctls + maxctl;
- nextext = extsymtab;
- lastext = extsymtab + maxext;
- lasthash = hashtab + maxhash;
- labtabend = labeltab + maxstno;
- highlabtab = labeltab;
- main_alias[0] = '\0';
- if (forcedouble)
- dfltproc[TYREAL] = dfltproc[TYDREAL];
-
- /* Initialize the routines for providing C output */
-
- out_init ();
- }
-
- hashclear() /* clear hash table */
- {
- register struct Hashentry *hp;
- register Namep p;
- register struct Dimblock *q;
- register int i;
-
- for(hp = hashtab ; hp < lasthash ; ++hp)
- if(p = hp->varp)
- {
- frexpr(p->vleng);
- if(q = p->vdim)
- {
- for(i = 0 ; i < q->ndim ; ++i)
- {
- frexpr(q->dims[i].dimsize);
- frexpr(q->dims[i].dimexpr);
- }
- frexpr(q->nelt);
- frexpr(q->baseoffset);
- frexpr(q->basexpr);
- free( (charptr) q);
- }
- if(p->vclass == CLNAMELIST)
- frchain( &(p->varxptr.namelist) );
- free( (charptr) p);
- hp->varp = NULL;
- }
- }
-
- procinit()
- {
- register struct Labelblock *lp;
- struct Chain *cp;
- int i;
- extern struct memblock *curmemblock, *firstmemblock;
- extern char *mem_first, *mem_next, *mem_last, *mem0_last;
- extern void frexchain();
-
- curmemblock = firstmemblock;
- mem_next = mem_first;
- mem_last = mem0_last;
- ei_next = ei_first = ei_last = 0;
- wh_next = wh_first = wh_last = 0;
- iob_list = 0;
- for(i = 0; i < 9; i++)
- io_structs[i] = 0;
-
- parstate = OUTSIDE;
- headerdone = NO;
- blklevel = 1;
- saveall = NO;
- substars = NO;
- nwarn = 0;
- thislabel = NULL;
- needkwd = 0;
-
- proctype = TYUNKNOWN;
- procname = "MAIN_";
- procclass = CLUNKNOWN;
- nentry = 0;
- nallargs = nallchargs = 0;
- multitype = NO;
- retslot = NULL;
- for(i = 0; i < NTYPES0; i++) {
- frexpr((expptr)xretslot[i]);
- xretslot[i] = 0;
- }
- cxslot = -1;
- chslot = -1;
- chlgslot = -1;
- procleng = 0;
- blklevel = 1;
- lastargslot = 0;
-
- for(lp = labeltab ; lp < labtabend ; ++lp)
- lp->stateno = 0;
-
- hashclear();
-
- /* Clear the list of newly generated identifiers from the previous
- function */
-
- frexchain(&new_vars);
- frexchain(&used_builtins);
- frchain(&assigned_fmts);
- frchain(&allargs);
- frchain(&earlylabs);
-
- nintnames = 0;
- highlabtab = labeltab;
-
- ctlstack = ctls - 1;
- for(i = TYADDR; i < TYVOID; i++) {
- for(cp = templist[i]; cp ; cp = cp->nextp)
- free( (charptr) (cp->datap) );
- frchain(templist + i);
- autonum[i] = 0;
- }
- holdtemps = NULL;
- dorange = 0;
- nregvar = 0;
- highregvar = 0;
- entries = NULL;
- rpllist = NULL;
- inioctl = NO;
- eqvstart += nequiv;
- nequiv = 0;
- dcomplex_seen = 0;
-
- for(i = 0 ; i<NTYPES0 ; ++i)
- rtvlabel[i] = 0;
-
- if(undeftype)
- setimpl(TYUNKNOWN, (ftnint) 0, 'a', 'z');
- else
- {
- setimpl(tyreal, (ftnint) 0, 'a', 'z');
- setimpl(tyint, (ftnint) 0, 'i', 'n');
- }
- setimpl(-STGBSS, (ftnint) 0, 'a', 'z'); /* set class */
- setlog();
- }
-
-
-
-
- setimpl(type, length, c1, c2)
- int type;
- ftnint length;
- int c1, c2;
- {
- int i;
- char buff[100];
-
- if(c1==0 || c2==0)
- return;
-
- if(c1 > c2) {
- sprintf(buff, "characters out of order in implicit:%c-%c", c1, c2);
- err(buff);
- }
- else {
- c1 = letter(c1);
- c2 = letter(c2);
- if(type < 0)
- for(i = c1 ; i<=c2 ; ++i)
- implstg[i] = - type;
- else {
- type = lengtype(type, length);
- if(type != TYCHAR)
- length = 0;
- for(i = c1 ; i<=c2 ; ++i) {
- impltype[i] = type;
- implleng[i] = length;
- }
- }
- }
- }
-