590 lines
16 KiB
C
590 lines
16 KiB
C
/****************************************************************
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Copyright 1990, 1991 by AT&T Bell Laboratories and Bellcore.
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the names of AT&T Bell Laboratories or
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Bellcore or any of their entities not be used in advertising or
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publicity pertaining to distribution of the software without
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specific, written prior permission.
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AT&T and Bellcore disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall AT&T or Bellcore be liable for
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any special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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****************************************************************/
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extern char F2C_version[];
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#include "defs.h"
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#include "parse.h"
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int complex_seen, dcomplex_seen;
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LOCAL int Max_ftn_files;
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char **ftn_files;
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int current_ftn_file = 0;
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flag ftn66flag = NO;
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flag nowarnflag = NO;
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flag noextflag = NO;
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flag no66flag = NO; /* Must also set noextflag to this
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same value */
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flag zflag = YES; /* recognize double complex intrinsics */
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flag debugflag = NO;
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flag onetripflag = NO;
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flag shiftcase = YES;
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flag undeftype = NO;
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flag checksubs = NO;
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flag r8flag = NO;
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flag use_bs = YES;
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int tyreal = TYREAL;
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int tycomplex = TYCOMPLEX;
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extern void r8fix(), read_Pfiles();
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int maxregvar = MAXREGVAR; /* if maxregvar > MAXREGVAR, error */
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int maxequiv = MAXEQUIV;
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int maxext = MAXEXT;
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int maxstno = MAXSTNO;
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int maxctl = MAXCTL;
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int maxhash = MAXHASH;
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int maxliterals = MAXLITERALS;
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int extcomm, ext1comm, useauto;
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int can_include = YES; /* so we can disable includes for netlib */
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static char *def_i2 = "";
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static int useshortints = NO; /* YES => tyint = TYSHORT */
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static int uselongints = NO; /* YES => tyint = TYLONG */
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int addftnsrc = NO; /* Include ftn source in output */
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int usedefsforcommon = NO; /* Use #defines for common reference */
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int forcedouble = YES; /* force real functions to double */
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int Ansi = NO;
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int def_equivs = YES;
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int tyioint = TYLONG;
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int szleng = SZLENG;
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int inqmask = M(TYLONG)|M(TYLOGICAL);
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int wordalign = NO;
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int forcereal = NO;
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static int skipC, skipversion;
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char *filename0, *parens;
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int Castargs = 1;
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static int typedefs = 0;
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int chars_per_wd, gflag, protostatus;
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int infertypes = 1;
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char used_rets[TYSUBR+1];
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extern char *tmpdir;
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static int h0align = 0;
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char *halign, *ohalign;
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int krparens = NO;
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int hsize; /* for padding under -h */
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int htype; /* for wr_equiv_init under -h */
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#define f2c_entry(swit,count,type,store,size) \
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p_entry ("-", swit, 0, count, type, store, size)
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static arg_info table[] = {
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f2c_entry ("w66", P_NO_ARGS, P_INT, &ftn66flag, YES),
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f2c_entry ("w", P_NO_ARGS, P_INT, &nowarnflag, YES),
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f2c_entry ("66", P_NO_ARGS, P_INT, &no66flag, YES),
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f2c_entry ("d", P_ONE_ARG, P_INT, &debugflag, YES),
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f2c_entry ("1", P_NO_ARGS, P_INT, &onetripflag, YES),
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f2c_entry ("onetrip", P_NO_ARGS, P_INT, &onetripflag, YES),
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f2c_entry ("I2", P_NO_ARGS, P_INT, &useshortints, YES),
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f2c_entry ("I4", P_NO_ARGS, P_INT, &uselongints, YES),
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f2c_entry ("U", P_NO_ARGS, P_INT, &shiftcase, NO),
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f2c_entry ("u", P_NO_ARGS, P_INT, &undeftype, YES),
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f2c_entry ("O", P_ONE_ARG, P_INT, &maxregvar, 0),
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f2c_entry ("C", P_NO_ARGS, P_INT, &checksubs, YES),
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f2c_entry ("Nq", P_ONE_ARG, P_INT, &maxequiv, 0),
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f2c_entry ("Nx", P_ONE_ARG, P_INT, &maxext, 0),
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f2c_entry ("Ns", P_ONE_ARG, P_INT, &maxstno, 0),
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f2c_entry ("Nc", P_ONE_ARG, P_INT, &maxctl, 0),
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f2c_entry ("Nn", P_ONE_ARG, P_INT, &maxhash, 0),
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f2c_entry ("NL", P_ONE_ARG, P_INT, &maxliterals, 0),
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f2c_entry ("c", P_NO_ARGS, P_INT, &addftnsrc, YES),
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f2c_entry ("p", P_NO_ARGS, P_INT, &usedefsforcommon, YES),
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f2c_entry ("R", P_NO_ARGS, P_INT, &forcedouble, NO),
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f2c_entry ("!R", P_NO_ARGS, P_INT, &forcedouble, YES),
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f2c_entry ("A", P_NO_ARGS, P_INT, &Ansi, YES),
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f2c_entry ("ext", P_NO_ARGS, P_INT, &noextflag, YES),
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f2c_entry ("z", P_NO_ARGS, P_INT, &zflag, NO),
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f2c_entry ("a", P_NO_ARGS, P_INT, &useauto, YES),
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f2c_entry ("r8", P_NO_ARGS, P_INT, &r8flag, YES),
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f2c_entry ("i2", P_NO_ARGS, P_INT, &tyioint, NO),
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f2c_entry ("w8", P_NO_ARGS, P_INT, &wordalign, YES),
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f2c_entry ("!I", P_NO_ARGS, P_INT, &can_include, NO),
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f2c_entry ("W", P_ONE_ARG, P_INT, &chars_per_wd, 0),
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f2c_entry ("g", P_NO_ARGS, P_INT, &gflag, YES),
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f2c_entry ("T", P_ONE_ARG, P_STRING, &tmpdir, 0),
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f2c_entry ("E", P_NO_ARGS, P_INT, &extcomm, 1),
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f2c_entry ("e1c", P_NO_ARGS, P_INT, &ext1comm, 1),
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f2c_entry ("ec", P_NO_ARGS, P_INT, &ext1comm, 2),
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f2c_entry ("C++", P_NO_ARGS, P_INT, &Ansi, 2),
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f2c_entry ("P", P_NO_ARGS, P_INT, &Castargs, 3),
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f2c_entry ("Ps", P_NO_ARGS, P_INT, &protostatus, 1),
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f2c_entry ("!P", P_NO_ARGS, P_INT, &Castargs, 0),
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f2c_entry ("!c", P_NO_ARGS, P_INT, &skipC, 1),
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f2c_entry ("!it", P_NO_ARGS, P_INT, &infertypes, 0),
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f2c_entry ("h", P_NO_ARGS, P_INT, &h0align, 1),
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f2c_entry ("hd", P_NO_ARGS, P_INT, &h0align, 2),
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f2c_entry ("kr", P_NO_ARGS, P_INT, &krparens, 1),
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f2c_entry ("krd", P_NO_ARGS, P_INT, &krparens, 2),
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f2c_entry ("!bs", P_NO_ARGS, P_INT, &use_bs, NO),
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f2c_entry ("r", P_NO_ARGS, P_INT, &forcereal, YES),
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/* options omitted from man pages */
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/* -ev ==> implement equivalence with initialized pointers */
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f2c_entry ("ev", P_NO_ARGS, P_INT, &def_equivs, NO),
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/* -!it used to be the default when -it was more agressive */
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f2c_entry ("it", P_NO_ARGS, P_INT, &infertypes, 1),
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/* -Pd is similar to -P, but omits :ref: lines */
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f2c_entry ("Pd", P_NO_ARGS, P_INT, &Castargs, 2),
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/* -t ==> emit typedefs (under -A or -C++) for procedure
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argument types used. This is meant for netlib's
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f2c service, so -A and -C++ will work with older
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versions of f2c.h
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*/
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f2c_entry ("t", P_NO_ARGS, P_INT, &typedefs, 1),
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/* -!V ==> omit version msg (to facilitate using diff in
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regression testing)
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*/
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f2c_entry ("!V", P_NO_ARGS, P_INT, &skipversion, 1)
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}; /* table */
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extern char *c_functions; /* "c_functions" */
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extern char *coutput; /* "c_output" */
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extern char *initfname; /* "raw_data" */
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extern char *blkdfname; /* "block_data" */
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extern char *p1_file; /* "p1_file" */
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extern char *p1_bakfile; /* "p1_file.BAK" */
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extern char *sortfname; /* "init_file" */
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static char *proto_fname; /* "proto_file" */
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FILE *protofile;
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extern void list_init_data(), set_tmp_names(), sigcatch(), Un_link_all();
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extern char *c_name();
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set_externs ()
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{
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static char *hset[3] = { 0, "integer", "doublereal" };
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/* Adjust the global flags according to the command line parameters */
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if (chars_per_wd > 0) {
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typesize[TYADDR] = typesize[TYLONG] = typesize[TYREAL] =
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typesize[TYLOGICAL] = chars_per_wd;
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typesize[TYDREAL] = typesize[TYCOMPLEX] = chars_per_wd << 1;
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typesize[TYDCOMPLEX] = chars_per_wd << 2;
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typesize[TYSHORT] = chars_per_wd >> 1;
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typesize[TYCILIST] = 5*chars_per_wd;
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typesize[TYICILIST] = 6*chars_per_wd;
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typesize[TYOLIST] = 9*chars_per_wd;
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typesize[TYCLLIST] = 3*chars_per_wd;
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typesize[TYALIST] = 2*chars_per_wd;
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typesize[TYINLIST] = 26*chars_per_wd;
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}
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if (wordalign)
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typealign[TYDREAL] = typealign[TYDCOMPLEX] = typealign[TYREAL];
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if (!tyioint) {
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tyioint = TYSHORT;
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szleng = typesize[TYSHORT];
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def_i2 = "#define f2c_i2 1\n";
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inqmask = M(TYSHORT)|M(TYLOGICAL);
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goto checklong;
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}
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else
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szleng = typesize[TYLONG];
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if (useshortints) {
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inqmask = M(TYLONG);
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checklong:
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protorettypes[TYLOGICAL] = typename[TYLOGICAL] = "shortlogical";
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typesize[TYLOGICAL] = typesize[TYSHORT];
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casttypes[TYLOGICAL] = "K_fp";
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if (uselongints)
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err ("Can't use both long and short ints");
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else
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tyint = tylogical = TYSHORT;
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}
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else if (uselongints)
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tyint = TYLONG;
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if (h0align) {
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if (tyint == TYLONG && wordalign)
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h0align = 1;
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ohalign = halign = hset[h0align];
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htype = h0align == 1 ? tyint : TYDREAL;
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hsize = typesize[htype];
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}
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if (no66flag)
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noextflag = no66flag;
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if (noextflag)
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zflag = 0;
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if (r8flag) {
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tyreal = TYDREAL;
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tycomplex = TYDCOMPLEX;
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r8fix();
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}
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if (forcedouble) {
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protorettypes[TYREAL] = "E_f";
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casttypes[TYREAL] = "E_fp";
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}
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if (maxregvar > MAXREGVAR) {
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warni("-O%d: too many register variables", maxregvar);
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maxregvar = MAXREGVAR;
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} /* if maxregvar > MAXREGVAR */
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/* Check the list of input files */
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{
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int bad, i, cur_max = Max_ftn_files;
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for (i = bad = 0; i < cur_max && ftn_files[i]; i++)
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if (ftn_files[i][0] == '-') {
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errstr ("Invalid flag '%s'", ftn_files[i]);
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bad++;
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}
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if (bad)
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exit(1);
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} /* block */
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} /* set_externs */
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static int
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comm2dcl()
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{
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Extsym *ext;
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if (ext1comm)
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for(ext = extsymtab; ext < nextext; ext++)
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if (ext->extstg == STGCOMMON && !ext->extinit)
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return ext1comm;
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return 0;
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}
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static void
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write_typedefs(outfile)
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FILE *outfile;
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{
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register int i;
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register char *s, *p = 0;
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static char st[4] = { TYREAL, TYCOMPLEX, TYDCOMPLEX, TYCHAR };
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static char stl[4] = { 'E', 'C', 'Z', 'H' };
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for(i = 0; i <= TYSUBR; i++)
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if (s = usedcasts[i]) {
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if (!p) {
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p = Ansi == 1 ? "()" : "(...)";
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nice_printf(outfile,
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"/* Types for casting procedure arguments: */\
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\n\n#ifndef F2C_proc_par_types\n");
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if (i == 0) {
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nice_printf(outfile,
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"typedef int /* Unknown procedure type */ (*%s)%s;\n",
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s, p);
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continue;
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}
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}
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nice_printf(outfile, "typedef %s (*%s)%s;\n",
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c_type_decl(i,1), s, p);
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}
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for(i = !forcedouble; i < 4; i++)
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if (used_rets[st[i]])
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nice_printf(outfile,
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"typedef %s %c_f; /* %s function */\n",
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p = i ? "VOID" : "doublereal",
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stl[i], ftn_types[st[i]]);
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if (p)
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nice_printf(outfile, "#endif\n\n");
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}
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static void
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commonprotos(outfile)
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register FILE *outfile;
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{
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register Extsym *e, *ee;
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register Argtypes *at;
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Atype *a, *ae;
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int k;
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extern int proc_protochanges;
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if (!outfile)
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return;
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for (e = extsymtab, ee = nextext; e < ee; e++)
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if (e->extstg == STGCOMMON && e->allextp)
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nice_printf(outfile, "/* comlen %s %ld */\n",
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e->cextname, e->maxleng);
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if (Castargs < 3)
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return;
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/* -Pr: special comments conveying current knowledge
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of external references */
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k = proc_protochanges;
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for (e = extsymtab, ee = nextext; e < ee; e++)
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if (e->extstg == STGEXT
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&& e->cextname != e->fextname) /* not a library function */
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if (at = e->arginfo) {
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if ((!e->extinit || at->changes & 1)
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/* not defined here or
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changed since definition */
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&& at->nargs >= 0) {
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nice_printf(outfile, "/*:ref: %s %d %d",
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e->cextname, e->extype, at->nargs);
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a = at->atypes;
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for(ae = a + at->nargs; a < ae; a++)
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nice_printf(outfile, " %d", a->type);
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nice_printf(outfile, " */\n");
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if (at->changes & 1)
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k++;
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}
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}
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else if (e->extype)
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/* typed external, never invoked */
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nice_printf(outfile, "/*:ref: %s %d :*/\n",
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e->cextname, e->extype);
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if (k) {
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nice_printf(outfile,
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"/* Rerunning f2c -P may change prototypes or declarations. */\n");
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if (nerr)
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return;
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if (protostatus)
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done(4);
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if (protofile != stdout) {
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fprintf(diagfile,
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"Rerunning \"f2c -P ... %s %s\" may change prototypes or declarations.\n",
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filename0, proto_fname);
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fflush(diagfile);
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}
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}
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}
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int retcode = 0;
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main(argc, argv)
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int argc;
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char **argv;
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{
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int c2d, k;
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FILE *c_output;
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char *filename, *cdfilename;
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static char stderrbuf[BUFSIZ];
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extern void def_commons();
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extern char **dfltproc, *dflt1proc[];
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extern char link_msg[];
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diagfile = stderr;
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setbuf(stderr, stderrbuf); /* arrange for fast error msgs */
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Max_ftn_files = argc - 1;
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ftn_files = (char **)ckalloc((argc+1)*sizeof(char *));
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parse_args (argc, argv, table, sizeof(table)/sizeof(arg_info),
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ftn_files, Max_ftn_files);
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if (!can_include && ext1comm == 2)
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ext1comm = 1;
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if (ext1comm && !extcomm)
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extcomm = 2;
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if (protostatus)
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Castargs = 3;
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else if (Castargs == 1 && !Ansi)
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Castargs = 0;
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if (Castargs >= 2 && !Ansi)
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Ansi = 1;
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if (!Ansi)
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parens = "()";
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else if (!Castargs)
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parens = Ansi == 1 ? "()" : "(...)";
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else
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dfltproc = dflt1proc;
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set_externs();
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fileinit();
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read_Pfiles(ftn_files);
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for(k = 1; ftn_files[k]; k++)
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if (dofork())
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break;
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filename0 = filename = ftn_files[current_ftn_file = k - 1];
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set_tmp_names();
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sigcatch();
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c_file = opf(c_functions, textwrite);
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pass1_file=opf(p1_file, binwrite);
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initkey();
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if (filename && *filename) {
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if (debugflag != 1) {
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coutput = c_name(filename,'c');
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if (Castargs >= 2)
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proto_fname = c_name(filename,'P');
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}
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cdfilename = coutput;
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if (skipC)
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coutput = 0;
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else if (!(c_output = fopen(coutput, textwrite))) {
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filename = coutput;
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coutput = 0; /* don't delete read-only .c file */
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fatalstr("can't open %.86s", filename);
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}
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if (Castargs >= 2
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&& !(protofile = fopen(proto_fname, textwrite)))
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fatalstr("Can't open %.84s\n", proto_fname);
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}
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else {
|
|
filename = "";
|
|
cdfilename = "f2c_out.c";
|
|
c_output = stdout;
|
|
coutput = 0;
|
|
if (Castargs >= 2) {
|
|
protofile = stdout;
|
|
if (!skipC)
|
|
printf("#ifdef P_R_O_T_O_T_Y_P_E_S\n");
|
|
}
|
|
}
|
|
|
|
if(inilex( copys(filename) ))
|
|
done(1);
|
|
if (filename0) {
|
|
fprintf(diagfile, "%s:\n", filename);
|
|
fflush(diagfile);
|
|
}
|
|
|
|
procinit();
|
|
if(k = yyparse())
|
|
{
|
|
fprintf(diagfile, "Bad parse, return code %d\n", k);
|
|
done(1);
|
|
}
|
|
|
|
commonprotos(protofile);
|
|
if (protofile == stdout && !skipC)
|
|
printf("#endif\n\n");
|
|
|
|
if (nerr || skipC)
|
|
goto C_skipped;
|
|
|
|
|
|
/* Write out the declarations which are global to this file */
|
|
|
|
if ((c2d = comm2dcl()) == 1)
|
|
nice_printf(c_output, "/*>>>'/dev/null'<<<*/\n\n\
|
|
/* Split this into several files by piping it through\n\n\
|
|
sed \"s/^\\/\\*>>>'\\(.*\\)'<<<\\*\\/\\$/cat >'\\1' <<'\\/*<<<\\1>>>*\\/'/\" | /bin/sh\n\
|
|
*/\n\
|
|
/*<<</dev/null>>>*/\n\
|
|
/*>>>'%s'<<<*/\n", cdfilename);
|
|
if (!skipversion) {
|
|
nice_printf (c_output, "/* %s -- translated by f2c ", filename);
|
|
nice_printf (c_output, "(version of %s).\n", F2C_version);
|
|
nice_printf (c_output,
|
|
" You must link the resulting object file with the libraries:\n\
|
|
%s (in that order)\n*/\n\n", link_msg);
|
|
}
|
|
if (Ansi == 2)
|
|
nice_printf(c_output,
|
|
"#ifdef __cplusplus\nextern \"C\" {\n#endif\n");
|
|
nice_printf (c_output, "%s#include \"f2c.h\"\n\n", def_i2);
|
|
if (Castargs && typedefs)
|
|
write_typedefs(c_output);
|
|
nice_printf (c_file, "\n");
|
|
fclose (c_file);
|
|
c_file = c_output; /* HACK to get the next indenting
|
|
to work */
|
|
wr_common_decls (c_output);
|
|
if (blkdfile)
|
|
list_init_data(&blkdfile, blkdfname, c_output);
|
|
wr_globals (c_output);
|
|
if ((c_file = fopen (c_functions, textread)) == (FILE *) NULL)
|
|
Fatal("main - couldn't reopen c_functions");
|
|
ffilecopy (c_file, c_output);
|
|
if (*main_alias) {
|
|
nice_printf (c_output, "/* Main program alias */ ");
|
|
nice_printf (c_output, "int %s () { MAIN__ (); }\n",
|
|
main_alias);
|
|
}
|
|
if (Ansi == 2)
|
|
nice_printf(c_output,
|
|
"#ifdef __cplusplus\n\t}\n#endif\n");
|
|
if (c2d) {
|
|
if (c2d == 1)
|
|
fprintf(c_output, "/*<<<%s>>>*/\n", cdfilename);
|
|
else
|
|
fclose(c_output);
|
|
def_commons(c_output);
|
|
}
|
|
if (c2d != 2)
|
|
fclose (c_output);
|
|
|
|
C_skipped:
|
|
if(parstate != OUTSIDE)
|
|
{
|
|
warn("missing final end statement");
|
|
endproc();
|
|
}
|
|
done(nerr ? 1 : 0);
|
|
}
|
|
|
|
|
|
FILEP opf(fn, mode)
|
|
char *fn, *mode;
|
|
{
|
|
FILEP fp;
|
|
if( fp = fopen(fn, mode) )
|
|
return(fp);
|
|
|
|
fatalstr("cannot open intermediate file %s", fn);
|
|
/* NOT REACHED */ return 0;
|
|
}
|
|
|
|
|
|
clf(p, what, quit)
|
|
FILEP *p;
|
|
char *what;
|
|
int quit;
|
|
{
|
|
if(p!=NULL && *p!=NULL && *p!=stdout)
|
|
{
|
|
if(ferror(*p)) {
|
|
fprintf(stderr, "I/O error on %s\n", what);
|
|
if (quit)
|
|
done(3);
|
|
retcode = 3;
|
|
}
|
|
fclose(*p);
|
|
}
|
|
*p = NULL;
|
|
}
|
|
|
|
|
|
done(k)
|
|
int k;
|
|
{
|
|
clf(&initfile, "initfile", 0);
|
|
clf(&c_file, "c_file", 0);
|
|
clf(&pass1_file, "pass1_file", 0);
|
|
Un_link_all(k);
|
|
exit(k|retcode);
|
|
}
|