vif.h
1 //! @file vif.h
2 //! @author J. Marcel van der Veer
3 //
4 //! @section Copyright
5 //
6 // This file is part of VIF - vintage FORTRAN compiler.
7 // Copyright 2020-2025 J. Marcel van der Veer <algol68g@xs4all.nl>.
8 //
9 //! @section License
10 //
11 // This program is free software; you can redistribute it and/or modify it
12 // under the terms of the GNU General Public License as published by the
13 // Free Software Foundation; either version 3 of the License, or
14 // (at your option) any later version.
15 //
16 // This program is distributed in the hope that it will be useful, but
17 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 // more details. You should have received a copy of the GNU General Public
20 // License along with this program. If not, see <http://www.gnu.org/licenses/>.
21
22 //! @section Synopsis
23 //!
24 //! VIF include file.
25
26 // This is a monolithic include file to avoid cluttering the installation directory.
27
28 #if ! defined (__VIF_H__)
29 #define __VIF_H__
30
31 #define _GNU_SOURCE
32
33 #include <complex.h>
34 #include <ctype.h>
35 #include <endian.h>
36 #include <errno.h>
37 #include <float.h>
38 #include <inttypes.h>
39 #include <libgen.h>
40 #include <limits.h>
41 #include <math.h>
42 #include <quadmath.h>
43 #include <signal.h>
44 #include <stdarg.h>
45 #include <stddef.h>
46 #include <stdint.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50 #include <sys/stat.h>
51 #include <sys/time.h>
52 #include <sys/utsname.h>
53 #include <time.h>
54 #include <unistd.h>
55
56 #define prototype
57
58 #define PACKAGE "vif"
59
60 #define NO_IDENT ((IDENT *) NULL)
61 #define NO_INTRINS ((INTRINS *) NULL)
62 #define NO_LABEL ((LBL *) NULL)
63 #define NO_MODE ((MODE *) NULL)
64 #define NO_TEXT ((char *) NULL)
65 #define NO_FUN NULL
66 #define NO_FTNFILE ((FTNFILE *) NULL)
67 #define NO_FTN_LINE ((FTN_LINE *) NULL)
68 #define NO_FILE ((FILE *) NULL)
69 #define NO_REF_INTEGER ((int_4 *) NULL)
70 #define NO_EXPR ((EXPR *) NULL)
71 #define NO_REF_TEXT ((char **) NULL)
72
73 #define STDF_IN 5
74 #define STDF_OUT 6
75 #define STDF_PUN 6
76 #define STDF_ERR 7
77
78 typedef char *FORMAT;
79
80 // Flags for gcc when compiling generated code from FORTRAN.
81
82 #if defined (BOOTSTRAP)
83 #define CFLAGS "-pipe -ggdb -I. -Isrc/include -L. -I../include -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -fdiagnostics-plain-output -fdiagnostics-show-location=once"
84 #define LD_FLAGS "-rdynamic -Lsrc/lib -L../lib -lvif -lquadmath -lm"
85 #else
86 #define CFLAGS "-pipe -ggdb -I. -Isrc/include -L. -I../include -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -fdiagnostics-plain-output -fdiagnostics-show-location=once -z execstack"
87 #define LD_FLAGS "-rdynamic -L./src/lib -lvif -lquadmath -lm"
88 #endif
89 #define OFLAGS "-O2"
90
91 enum {NOTYPE, ETYPE, INTEGER, LOGICAL, REAL, COMPLEX, CHARACTER};
92 enum {UNFORMATTED = 1, STDFORMAT, FORMATTED };
93 enum {SOURCE = 0, TEMP, MACRO };
94 enum {HEADER = 0, BANNER, LIST, MESSAGES, JCL, SYMBOLS, CONSTANTS, STRINGS, PARAMETERS, TYPEDEF, FREQ, COMMON, PROTOTYPE, STAT, TITLE, PRE, DECL, REFDECL, EQUIV, FMT, DATA, NESTED, BODY, POST, MAXPHA };
95 enum {EXPR_OTHER = 0, EXPR_VAR, EXPR_CONST, EXPR_SLICE, EXPR_SUBSTR };
96 enum {LEXEME = 0, DECLAR, WORD, LABEL, INT_NUMBER, FLT_NUMBER, TEXT };
97 enum {STATIC = 0, AUTOMATIC };
98
99 // Shorthands to improve code legibility.
100
101 #define int_2 int16_t
102 #define int_4 int32_t
103 #define int_8 int64_t
104
105 #define unt_2 uint16_t
106 #define unt_4 uint32_t
107 #define unt_8 uint64_t
108 #define unt_16 unsigned __int128
109
110 #define logical_4 unsigned
111
112 #define real_4 float
113 #define real_8 double
114 #define real_16 __float128
115
116 #define complex_8 float complex
117 #define complex_16 double complex
118 #define complex_32 __complex128
119
120 // MAX_STRLEN = 2 ** MAX_STRLENS - 1
121 #define MAX_STRLEN 4095
122 #define MAX_STRLENS 12
123 extern int_4 strlens[MAX_STRLENS];
124
125 #define ERR (-32)
126 #define SKIP //
127 #define TRUE 1
128 #define FALSE 0
129 #define MAX_LRECL 32760
130 #define MAX_MACRO_DEPTH 25
131 #define MAX_NEST 9
132 #define INCREMENT 500
133 #define INDENT 2
134 #define LINES_PER_PAGE 50
135 #define LINE_WIDTH 122
136 #define MAX_ARGS 16
137 #define MAX_COMMONS 100
138 #define MAX_DIMS 6
139 #define MAX_IDENTS 1000
140 #define MAX_LABELS 1000
141 #define MAX_MODULES 5000
142 #define MAX_PRIO 9
143 #define MAX_ERROR 5
144 #define MAX_WARNS MAX_ERROR
145 #define RETURN "goto _l0;\n"
146 #define M_LOG10_2 0.30102999566398119521373889472449q
147
148 #define NOT_LOCAL(idf) ((idf)->common != LOCAL)
149 #define LOCAL 0
150 #define EXTERN 1
151
152 #define WITHIN (curret != END_OF_LINE && curret != END_OF_MODULE)
153
154 #define NOT_ASSIGNMENT 0
155 #define MACRO_DECLARATION 1
156 #define ASSIGNMENT 2
157
158 #define IS_NOT_ASSIGNMENT (statement_type () == NOT_ASSIGNMENT)
159 #define IS_MACRO_DECLARATION (statement_type () == MACRO_DECLARATION)
160 #define IS_ASSIGNMENT (statement_type () == ASSIGNMENT)
161
162 #define END_OF_MODULE (-3)
163 #define END_OF_LINE (-2)
164 #define EXPECT_NONE (NULL)
165 #define START_OF_LINE (-1)
166 #define ARG TRUE
167 #define NOARG FALSE
168 #define CONST TRUE
169 #define NOCONST FALSE
170 #define FUN TRUE
171 #define NOFUN FALSE
172 #define UNIQ TRUE
173 #define NOUNIQ FALSE
174 #define NOPATCH 0
175 #define NOTYPE 0
176 #define NOLEN 0
177 #define FORMAL TRUE
178 #define ACTUAL FALSE
179 #define CAST TRUE
180 #define NOCAST FALSE
181 #define PROTEST TRUE
182 #define QUIET FALSE
183
184 #define EXPECT_LABEL "label"
185 #define INTERNAL_CONSISTENCY "internal consistency"
186
187 #define ABS(n) ((n) > 0 ? (n) : -(n))
188 #define MAXIMISE(u, v) ((u) = _max (u, v))
189 #define MINIMISE(u, v) ((u) = _min (u, v))
190
191 #define IS_JCL(c) (c == '/' || CUR_LIN.jcl)
192 #define IS_COMMENT(c) (strchr ("cd*!#", tolower (c)) != NULL || IS_JCL (c))
193 #define IS_VAR(n) (isalpha(n[0]) || n[0] == '_' || n[0] == '$')
194 #define _EXPCHAR(n) (tolower (n) != '\0' && strchr ("edqx", tolower (n)) != NULL)
195 #define _IDFCHAR(n) (tolower (n) != '\0' && strchr ("abcdefghijklmnopqrstuvwxyz0123456789_ $", tolower (n)) != NULL)
196 #define CUR_LIN (source[curlin])
197 #define POS(n) (tolower (CUR_LIN.text[n]))
198 #define EXPONENT(n) _EXPCHAR (POS (n))
199 #define CUR_COL (POS (curcol))
200
201 #define UNSCAN {curlin = prelin; curcol = precol; strcpy (curlex, prelex); curret = preret;}
202
203 #define SAVE_POS(n)\
204 int_4 _cl_##n= curlin, _cc_##n= curcol;\
205 int_4 _pl_##n= prelin, _pc_##n= precol;\
206 int_4 _pr_##n= preret, _cr_##n= curret;\
207 NEW_RECORD (_clr_##n); RECCPY (_clr_##n, curlex);\
208 NEW_RECORD (_cpr_##n); RECCPY (_cpr_##n, prelex);
209
210 #define RESTORE_POS(n) {\
211 curlin = _cl_##n;\
212 curcol = _cc_##n;\
213 prelin = _pl_##n;\
214 precol = _pc_##n;\
215 preret = _pr_##n;\
216 curret = _cr_##n;\
217 RECCPY (curlex, _clr_##n);\
218 RECCPY (prelex, _cpr_##n);\
219 }
220
221 #define MSG(sev, num, text, info)\
222 if (prelin < 1) {\
223 message (&source[curlin], curcol, (sev), (num), (text), (info));\
224 } else {\
225 message (&source[prelin], precol, (sev), (num), (text), (info));\
226 }
227
228 extern int_4 _srecordf (char *, const char *, ...);
229 extern void _vif_backtr(int_4);
230
231 #define ERROR(num, s, t) {MSG ("error", (num), (s), (t));}
232 #define MODE_ERROR(num, s, t) {\
233 RECORD _txt_;\
234 _srecordf(_txt_, "%s to %s", (s), (t));\
235 ERROR (num, "cannot convert", _txt_);\
236 }
237 #define PRECISION_LOSS(num, s, t) {\
238 RECORD _txt_;\
239 _srecordf(_txt_, "%s to %s", (s), (t));\
240 WARNING (num, "possible precision loss", _txt_);\
241 }
242 #define SYNTAX(num, s) {ERROR ((num), "syntax", (s));}
243 #define EXPECT(num, s) {ERROR ((num), "expected", (s));}
244 #define ADJACENT(num, s) {ERROR ((num), "adjacent", (s));}
245 #define WARNING(num, s, t) {MSG ("warning", (num), (s), (t));}
246 #define ECHO(num, s, t) {MSG ("info", (num), (s), (t));}
247 #define SCANER(num, s, t) {MSG ("fatal", (num), (s), (t)); exit (EXIT_FAILURE);}
248 #define FATAL(num, s, t) {message (NULL, ERR, "fatal", (num), (s), (t)); exit (EXIT_FAILURE);}
249 #define OVERFLOW(num, t) {fprintf (stderr, "\n** exception ** f%d: fatal: overflow, (%s)\n", (num), (t)); _vif_backtr (SIGTERM);}
250
251 #define TOKEN(s) EQUAL (curlex, (s))
252 #define CHECKPOINT(num, s) {if (!EQUAL (curlex, (s))) {EXPECT ((num), (s));}}
253 #define CHECKDIGIT(num, s) {if (!isdigit (s)) {EXPECT ((num), "digit");}}
254 #define IS_NUMBER(u) ((u) == INT_NUMBER || (u) == FLT_NUMBER)
255
256 #define FMT_TEXT ((char *) 1)
257 #define FMT_INT ((char *) 2)
258 #define FMT_REAL ((char *) 3)
259 #define FMT_LOGICAL ((char *) 4)
260 #define FMT_CHAR ((char *) 5)
261 #define FMT_TERM ((char *) 6)
262 extern int_4 __scale__;
263
264 // REAL*32
265
266 #define FLT128_LEN 7 // Do NOT change this!
267 #define FLT256_LEN 15 // Do NOT change this!
268 #define FLT256_GUARD 2 // Guard digits.
269 #define FLT256_DIG (72 - FLT256_GUARD) // 240 * log10 (2) minus guard digits.
270
271 typedef unt_2 REAL16[8];
272 typedef unt_2 REAL32[FLT256_LEN + 1]; // One for exponent.
273
274 struct __real_32__
275 {
276 REAL32 value;
277 };
278 typedef struct __real_32__ real_32;
279
280 struct __complex_64__
281 {
282 struct __real_32__ re, im;
283 };
284 typedef struct __complex_64__ complex_64;
285
286 #define xsub(a, b) xadd (a, b, 1)
287 #define xsum(a, b) xadd (a, b, 0)
288
289 // In Fortran, only EQUIVALENCE can alias names.
290
291 #define _p_ * restrict
292
293 //
294
295 #define RECLN 2048
296 typedef char RECORD[RECLN + 1];
297 #define RECCLR(z) memset ((z), '\0', RECLN + 1)
298 #define RECCPY(dst, src) bufcpy (dst, src, RECLN);
299 #define NEW_RECORD(z) RECORD z; RECCLR(z)
300 #define NEW_STATIC_RECORD(z) static RECORD z; RECCLR(z)
301
302 typedef struct FTNFILE FTNFILE;
303 struct FTNFILE {
304 FILE *unit;
305 char *name, *form, *action, *disp, *buff, *rewind;
306 int_4 lrecl, vers, in_stream, record, records, redirect, buff_init, buff_pos, buff_len, memopen_len;
307 };
308
309 #define NEW_FTN_FILE(fp, fmt, act, recl)\
310 ((FTNFILE) {.unit = fp, .form = fmt, .action = act, .lrecl = recl, .in_stream = FALSE})
311
312 #define MAX_SOURCE_FILES 1500
313
314 // MAX_FILES should be 100.
315 #define MAX_FILES 100
316
317 extern FTNFILE _ffile[MAX_FILES];
318
319 typedef struct CALLS CALLS;
320 struct CALLS {
321 char *name;
322 int_8 calls;
323 };
324
325 typedef struct C_SRC C_SRC;
326 struct C_SRC
327 {
328 int_4 proc, phase;
329 char *text;
330 };
331 extern C_SRC *object;
332
333 typedef struct FTN_LINE FTN_LINE;
334 struct FTN_LINE
335 {
336 FTN_LINE *file;
337 int_4 num, isn, len, label, jcl, diag, proc, cpp;
338 char *text;
339 };
340 extern FTN_LINE *source, *files;
341 extern int_4 MAX_FTN_LINES;
342
343 typedef struct MODE MODE;
344 struct MODE
345 {
346 int_4 type, len, dim, save, fun;
347 };
348
349 #define PLAIN_MODE(t, l) ((MODE) {.type = type, .len = len, .dim = 0, .fun = FALSE})
350 #define TYPE(z, t, l) ((z)->mode.type == t && (z)->mode.len == l)
351 #define IS_ROW(m) ((m).dim > 0)
352 #define IS_SCALAR(m) ((m).dim == 0)
353
354 typedef struct IDENT IDENT;
355 struct IDENT
356 {
357 char *name, *var_name, *parm;
358 int_4 arg, call, common, const_ref, external, intrinsic, line, macro, nest, save, source, used, variable;
359 IDENT *alias, *equiv;
360 MODE mode;
361 int_4 patch1, patch2;
362 char *lwb[MAX_DIMS], *upb[MAX_DIMS], *len[MAX_DIMS];
363 char *size;
364 };
365 #define C_NAME(z) ((z)->name)
366 #define F_NAME(z) ((z)->var_name)
367
368 typedef struct IMPLICIT IMPLICIT;
369 struct IMPLICIT
370 {
371 MODE mode;
372 };
373
374 typedef struct LBL LBL;
375 struct LBL
376 {
377 int_4 index, num, line, jumped, patch, nonexe, data, format, renum;
378 };
379 extern LBL *lbl;
380
381 typedef struct EXPR EXPR;
382 struct EXPR
383 {
384 RECORD str, elem;
385 int_4 variant, value, opt;
386 IDENT *idf;
387 MODE mode;
388 };
389
390 typedef struct INTRINS INTRINS;
391 struct INTRINS
392 {
393 char *ffun, *bfun, *cfun;
394 int_4 rtyp, rlen, alen;
395 int_4 anum, atyp;
396 real_32 (*f1) (real_32);
397 real_32 (*f2) (real_32, real_32);
398 complex_64 (*f3) (complex_64);
399 };
400
401 extern char *action_default;
402 extern char *action_read;
403 extern char *action_readwrite;
404 extern char *action_write;
405 extern char *commons[], *modules[];
406 extern char *disp_delete;
407 extern char *disp_keep;
408 extern char *disp_new;
409 extern char *disp_old;
410 extern char *form_formatted;
411 extern char *form_unformatted;
412
413 extern IDENT globals[], locals[];
414
415 extern IMPLICIT implic[];
416
417 extern int_4 curlin, curcol;
418 extern int_4 curret, preret;
419 extern int_4 end_statements;
420 extern int_4 indent;
421 extern int_4 jcllin;
422 extern int_4 lhs_factor;
423 extern int_4 macro_depth;
424 extern int_4 macro_nest;
425 extern int_4 MAX_C_SRC;
426 extern int_4 MAX_C_SRC;
427 extern int_4 MAX_FTN_LINES;
428 extern int_4 n_c_src;
429 extern int_4 nerrors, merrors, nwarns;
430 extern int_4 nloctmps, nglobtmps, func;
431 extern int_4 optimise;
432 extern int_4 page, line, ncommons, nmodules;
433 extern int_4 pnprocs, nprocs, nglobals, nlocals, nlabels, nftnlines, nfiles;
434 extern int_4 prelin, precol;
435
436 extern LBL labels[];
437
438 extern logical_4 abend;
439 extern logical_4 brief;
440 extern logical_4 use_strcasecmp;
441 extern logical_4 compile_only;
442 extern logical_4 f4_do_loops;
443 extern logical_4 gcc_ftn_lines;
444 extern logical_4 hollerith;
445 extern logical_4 implicit_r8;
446 extern logical_4 keep;
447 extern logical_4 no_warnings;
448 extern logical_4 pretty;
449 extern logical_4 quiet_mode;
450 extern logical_4 renum;
451 extern logical_4 tidy;
452 extern logical_4 syntax_only;
453 extern logical_4 trace;
454
455 extern RECORD curlex, prelex;
456 extern RECORD hdate;
457 extern RECORD hmodule, hsection;
458 extern RECORD libnam, modnam, procnam;
459 extern RECORD program, block;
460 extern RECORD retnam;
461 extern RECORD stat_start;
462
463 extern char *bufcat (char *, char *, int_4);
464 extern char *bufcpy (char *, char *, int_4);
465 extern char *bufrep (char *, char *);
466 extern char *_bufsub (char *, char *, int_4, int_4);
467 extern char *c_name (char *);
468 extern char *concat (char *, char *, char *);
469 extern char *edit_f (char *);
470 extern char *edit_fmt (int_4);
471 extern char *edit_i (char *);
472 extern char *edit_tmp (int_4);
473 extern char *edit_unit (int_4);
474 extern char *edit_v (char *);
475 extern char *edit_vn (char *, int_4);
476 extern char *encode (char *, char *);
477 extern char *f2c_type (char *, MODE *, int_4, int_4);
478 extern char *f_strallocat (char *, char *);
479 extern char *f_stralloc (char *);
480 extern char *get_uniq_str (char *, char *);
481 extern char *idf_full_c_name (RECORD, IDENT *);
482 extern char *intnot (char *, int_8, int_4);
483 extern char *newpage (char *, char *);
484 extern char *pretty_float (char *);
485 extern char *ptr_to_array (IDENT *, int_4, int_4, int_4);
486 extern char *qtype (MODE *);
487 extern char *_strlower (char *);
488 extern char *wtype (MODE *, int_4, int_4);
489 extern char *xfixed (char *, real_32, int_4, int_4, int_4);
490 extern char *xfloat (char *, real_32, int_4, int_4, int_4, int_4, int_4, char);
491 extern char *xsubfixed (char *, real_32, logical_4, int_4);
492 extern char *xtoa (char *, real_32, int_4);
493
494 extern IDENT *add_local (char *, int_4, int_4, int_4, int_4, int_4, int_4, int_4);
495 extern IDENT *add_nest (char *, int_4, MODE *);
496 extern IDENT *extf_decl (char *, MODE *);
497 extern IDENT *find_local (char *, MODE *);
498 extern IDENT *impl_decl (char *, MODE *);
499 extern IDENT *void_decl (char *, MODE *);
500
501 extern int_4 add_block (char *);
502 extern int_4 code (int_4, int_4, char *);
503 extern int_4 code_real_32_const (char *);
504 extern int_4 code_uniq_str (char *);
505 extern int_4 format_str (char *str);
506 extern int_4 impl_do (void);
507 extern int_4 mix_len (EXPR *, EXPR *);
508 extern int_4 new_charlen (int_4);
509 extern int_4 ord (char);
510 extern int_4 patch (int_4, char *);
511 extern int_4 scan (char *);
512 extern int_4 scan_fmt (void);
513 extern int_4 scan_fmt (void);
514 extern int_4 statement_type (void);
515
516 extern LBL *find_label (char *);
517
518 extern logical_4 accept_mode (int_4, int_4, int_4, int_4);
519 extern logical_4 coerce (EXPR *, EXPR *);
520 extern logical_4 express (EXPR *, int_4, int_4);
521 extern logical_4 find_module (char *);
522 extern logical_4 fold_expr (EXPR *, int_4);
523 extern logical_4 fold_intrinsic (INTRINS *, EXPR *, EXPR *);
524 extern logical_4 intrinsic_call (char *, EXPR *);
525 extern logical_4 is_intrins (char *, INTRINS **);
526 extern logical_4 is_int4 (char *, int_4 *);
527 extern logical_4 is_macro_decl (char *);
528 extern logical_4 is_specific (char *);
529 extern logical_4 lookahead (char *);
530 extern logical_4 reserved (char *);
531 extern logical_4 same_name (char *, char *);
532 extern logical_4 valid_expr (EXPR *);
533
534 extern void assign (EXPR *);
535 extern void banner (int_4, int_4, char *);
536 extern void call (void);
537 extern void code_comment (void);
538 extern void code_common (void);
539 extern void code_exts (IDENT *, int_4, int_4, int_4, int_4);
540 extern void code_idfs (IDENT *, int_4, int_4, int_4, int_4);
541 extern void code_index (RECORD, IDENT *, int_4);
542 extern void code_parms (RECORD);
543 extern void code_row_len (IDENT *);
544 extern void common (void);
545 extern void common (void);
546 extern void compute_row_size (RECORD, IDENT *);
547 extern void cpp_direct (int_4, int_4, int_4);
548 extern void decl_autosave (void);
549 extern void decl_data (void);
550 extern void decl_equiv (void);
551 extern void decl_macros (void);
552 extern void default_impl (void);
553 extern void diagnostic (int_4, char *);
554 extern void dimension (void);
555 extern void do_data (int_4 *);
556 extern void do_io (char *, int_4 *);
557 extern void equivalence (void);
558 extern void executable (void);
559 extern void exprio (EXPR *, int_4, logical_4);
560 extern void externals (void);
561 extern void factor (EXPR *);
562 extern void factor_function_call (EXPR *, RECORD);
563 extern void factor_integer_number (EXPR *, char *);
564 extern void factor_slice_char (EXPR *, IDENT *);
565 extern void factor_slice (EXPR *, IDENT *);
566 extern void factor_variable (EXPR *, IDENT *, MODE *, RECORD);
567 extern void *f_malloc (size_t);
568 extern void fold_int_4 (char *, char *);
569 extern void format (LBL *);
570 extern void *f_realloc (void *, size_t);
571 extern void compile_nested_intrinsic (char *);
572 extern void gen_statements (LBL *, int_4);
573 extern void get_decls (void);
574 extern void get_dims (IDENT *, int_4);
575 extern void get_impl (void);
576 extern void get_source (char *, int_4);
577 extern void idfs_impl (void);
578 extern void idfs_unused (void);
579 extern void implicit (void);
580 extern void impl_type (char *, MODE *);
581 extern void inline_args (RECORD *, int_4 *);
582 extern void intrinsics (void);
583 extern void jump (void);
584 extern void macro (EXPR *, IDENT *);
585 extern void merge_commons (void);
586 extern void message (FTN_LINE *, int_4, char *, int_4, char *, char *);
587 extern void norm_mode (MODE *);
588 extern void option (char *);
589 extern void parameter (void);
590 extern void patch_args (void);
591 extern void patch_args (void);
592 extern void proc_listing (int_4);
593 extern void recursion (EXPR *, RECORD, IDENT *);
594 extern void tidy_source (char *);
595 extern void RTE (const char *, const char *);
596 extern void RTW (const char *, const char *);
597 extern void scan_modules (void);
598 extern void skip_card (int_4);
599 extern void subprograms (void);
600 extern void vif_backspace (void);
601 extern void vif_close (void);
602 extern void vif_endfile (void);
603 extern void vif_jcl (void);
604 extern void vif_open (void);
605 extern void vif_rewind (void);
606 extern void write_object (char *);
607 extern void write_tidy (char *);
608
609 // ++++ MACROS
610
611 #define ln(x) log(x)
612
613 static inline logical_4 EQUAL (char *s, char *t)
614 {
615 if (s == NULL || t == NULL) {
616 return s == t;
617 } else {
618 return strcasecmp (s, t) == 0;
619 }
620 }
621
622 static inline logical_4 MATCH (char *t)
623 {
624 if (EQUAL (curlex, t)) {
625 return TRUE;
626 } else {
627 NEW_RECORD (str);
628 _srecordf (str, "\"%s\"", t); // Stringize t
629 return EQUAL (curlex, str);
630 }
631 }
632
633 static logical_4 LEQUAL (char *s, char *t)
634 {
635 if (s == NULL || t == NULL) {
636 return s == t;
637 } else {
638 return strncasecmp (s, t, strlen (s)) == 0;
639 }
640 }
641
642 static inline void BUG (char *s)
643 {
644 fprintf (stderr, "%d %s\n", curlin, source[curlin].text);
645 message (NULL, ERR, "fatal", 4001, "compiler bug", (s));
646 exit (EXIT_FAILURE);
647 }
648
649 #define _write_err(rc, funit, action)\
650 fflush (_ffile[(funit)].unit);\
651 if ((rc) < 1 || ferror (_ffile[(funit)].unit)) {\
652 action;\
653 }
654
655 #define _read_err(rc, funit, action_end, action_err)\
656 if (feof (_ffile[(funit)].unit)) {\
657 action_end;\
658 }\
659 if ((rc) < 1 || ferror (_ffile[(funit)].unit)) {\
660 action_err;\
661 }
662
663 #define _write_eol(funit) {\
664 (void) _vif_printf ((funit), "\n", NULL, NOTYPE, 0);\
665 fflush (_ffile[(funit)].unit);\
666 }
667
668 #define _read_eol(funit) {\
669 (void) _vif_scanf ((funit), NULL, NULL, NOTYPE, 0);\
670 }
671
672 #define _abs(a) ({__typeof__ (a) _u = (a); _u >= 0 ? _u : -_u;})
673 #define _dim_(a, b) ({__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a - _b : 0;})
674 #define _max(a, b) ({__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b;})
675 #define _min(a, b) ({__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b;})
676 #define _imod(a, b) ({__typeof__ (a) _a = (a), _b = (b), _q = (__typeof__ (a)) (_a / _b); (_a - _q * _b);})
677 #define _sign(a, b) ({__typeof__ (a) _a = _abs (a); b >= 0 ? _a : -_a;})
678
679 #define _ichar(s) ((int_4) ((s)[0]))
680
681 // AINT
682 static inline real_4 _aintf (real_4 x) {return truncf (x);}
683 static inline real_8 _aintd (real_8 x) {return trunc (x);}
684 static inline real_16 _aintq (real_16 x) {return truncq (x);}
685
686 // NINT
687 static inline int_4 _nintf (real_4 x) {return (int_4) (x) >= 0.0 ? floorf (x + 0.5) : -floorf (0.5 - x);}
688 static inline int_4 _nintd (real_8 x) {return (int_4) (x >= 0.0 ? floor (x + 0.5) : -floor (0.5 - x));}
689 static inline int_4 _nintq (real_16 x) {return (int_4) (x >= 0.0q ? floorq (x + 0.5q) : -floorq (0.5q - x));}
690
691 // ANINT
692 static inline real_4 _anintf (real_4 x) {return (x) >= 0.0 ? floorf (x + 0.5) : -floorf (0.5 - x);}
693 static inline real_8 _anintd (real_8 x) {return (x >= 0.0 ? floor (x + 0.5) : -floor (0.5 - x));}
694 static inline real_16 _anintq (real_8 x) {return (x >= 0.0q ? floor (x + 0.5q) : -floor (0.5q - x));}
695
696 // COMPLEX*32
697
698 static inline complex_32 CMPLXQ (real_16 re, real_16 im) {complex_32 z; __real__ z = re; __imag__ z = im; return z;}
699 extern complex_32 qxcmplx (real_32, real_32);
700
701 // COMPLEX*64
702
703 #define CMPLXX(re, im) (complex_64){re, im}
704 #define CMPLXZ(re) (complex_64){re, X_0}
705
706 // RTS
707
708 extern char *_char (int);
709 extern char *__strtok_r (char *, const char *, char **);
710 extern char *_strupper (char *);
711 extern char **_vif_jit (char *, char *);
712
713 extern void _pi4 (real_4 *);
714 extern void _pi8 (real_8 *);
715 extern void _pi16 (real_16 *);
716 extern void _pi32 (real_32 *);
717
718 extern complex_16 _dcmplxq (complex_32);
719 extern complex_16 _up_complex (complex_16, int_4);
720
721 extern complex_32 _qcmplxd (complex_16);
722 extern complex_32 _up_complex_32 (complex_32, int_4);
723
724 extern complex_8 _cmplxd (complex_16);
725 extern complex_8 _up_complex_8 (complex_8, int_4);
726
727 extern int_4 _backspace (char *, int_4);
728 extern int_4 _i1mach (int_4 *);
729 extern int_4 _index (char *, char *);
730 extern int_4 _init_file_buffer (int_4);
731 extern int_4 _rewind (char *, int_4);
732 extern int_4 _set_record (char *, int_4, int_4);
733 extern int_4 _sys (char *, char *, char *, const char *, ...);
734 extern int_4 _str_to_int4 (char *);
735 extern int_4 _up_int_4 (int_4, int_4);
736 extern int_4 _vif_printf (int_4, char *, void *, int_4, int_4);
737 extern int_4 _vif_scanf (int_4, char *, void *, int_4, int_4);
738 extern int_4 _xerclr (void);
739 extern int_4 _xermsg (char *, char *, char *, int_4 *, int_4 *);
740 extern int_4 _xgetf (int_4 *);
741 extern int_4 _xint4 (real_32);
742 extern int_4 _xsetf (int_4 *);
743
744 extern int_8 _up_int_8 (int_8, int_4);
745 extern int_8 _xint8 (real_32);
746 extern int_8 _xnint8 (real_32);
747
748 extern real_16 acotanq (real_16);
749 extern real_16 cotanq (real_16);
750 extern real_16 _qext (real_8);
751 extern real_16 _up_real_16 (real_16, int_4);
752 extern real_16 _strtoquad (char *, char **);
753 extern real_16 xtoquad (real_32);
754 extern real_16 _zabs_32 (real_16 re, real_16 im);
755 extern real_16 cximagq (complex_64);
756 extern real_16 cxrealq (complex_64);
757
758 extern real_32 _quadtop (real_32 *, real_16);
759 extern real_32 quadtox (real_16);
760 extern real_32 _xerf (real_32);
761 extern real_32 _aintx (real_32);
762 extern real_32 _xI (real_32);
763 extern real_32 _xmod (real_32, real_32);
764 extern real_32 _xdimx (real_32, real_32);
765 extern real_32 _anintx (real_32);
766 extern real_32 _zabs_64 (real_32 re, real_32 im);
767
768 extern real_4 acotanf (real_4);
769 extern real_4 cotanf (real_4);
770 extern real_4 _up_real_4 (real_4, int_4);
771 extern real_4 _zabs_8 (real_4 re, real_4 im);
772
773 extern real_8 acotan (real_8);
774 extern real_8 cotan (real_8);
775 extern real_8 _drand48 (void);
776 extern real_8 _seconds (void);
777 extern real_8 _str_to_real8 (char *);
778 extern real_8 _up_real_8 (real_8, int_4);
779 extern real_8 _zabs_16 (real_8 re, real_8 im);
780
781 extern void _cputim (real_8 *);
782 extern void _cputyd (int_4 *);
783 extern void _fcheck (char *, int_4, char *, char *);
784 extern void _fclose (int_4);
785 extern void _fprintf_real_32 (char *, char *, real_32, int_4, int_4);
786 extern void _fregister (char *, int_4, int_4, char *, char *, char *, char *);
787 extern void _funregister (char *, int_4);
788 extern void _ioend_read (char *, int_4);
789 extern void _ioerr (char *, int_4);
790 extern void _ioerr_read (char *, int_4);
791 extern void _ioerr_write (char *, int_4);
792 extern void _merfi (real_8 *, real_8 *, int_4 *);
793 extern void _qhex (real_16 *);
794 extern void _skip_eol (FILE *);
795 extern void _srand48 (int_4 *);
796 extern void _vif_exit (void);
797 extern void _vif_freq (CALLS *);
798 extern void _vif_init (void);
799 extern void _xhex (real_32 *);
800
801 extern complex_64 _coctotop (complex_64 *, real_32);
802 extern complex_64 _cquadtop (complex_64 *, complex_32);
803 extern complex_64 cxcos (complex_64);
804 extern complex_64 cxflt(complex_8);
805 extern complex_64 cxdbl(complex_16);
806 extern complex_64 cxdiv (complex_64, complex_64);
807 extern complex_64 cxexp (complex_64);
808 extern complex_64 cxlog (complex_64);
809 extern complex_64 cxmul (complex_64, complex_64);
810 extern complex_64 cxneg (complex_64);
811 extern complex_64 cxquad(complex_32);
812 extern complex_64 cxreal32(real_32);
813 extern complex_64 cxsin (complex_64);
814 extern complex_64 cxsqrt (complex_64);
815 extern complex_64 cxsub (complex_64, complex_64);
816 extern complex_64 cxsum (complex_64, complex_64);
817 extern complex_64 cxtan (complex_64);
818
819 extern int_4 xsgn (const real_32 *);
820
821 extern logical_4 xeq (real_32, real_32);
822 extern logical_4 xge (real_32, real_32);
823 extern logical_4 xgt (real_32, real_32);
824 extern logical_4 xis0 (const real_32 *);
825 extern logical_4 xis_minf (const real_32 *);
826 extern logical_4 xis_nan (const real_32 *);
827 extern logical_4 xis_pinf (const real_32 *);
828 extern logical_4 xle (real_32, real_32);
829 extern logical_4 xlt (real_32, real_32);
830 extern logical_4 xneq (real_32, real_32);
831 extern logical_4 xnot0 (const real_32 *);
832
833 extern real_32 atox (char *);
834 extern real_32 cximag (complex_64);
835 extern real_32 cxreal (complex_64);
836 extern real_32 dbltox (real_8);
837 extern real_32 flttox (real_4);
838 extern real_32 inttox (int_4);
839 extern real_32 strtox (char *, char **);
840 extern real_32 xabs (real_32);
841 extern real_32 xacosh (real_32);
842 extern real_32 xacos (real_32);
843 extern real_32 xacotan (real_32);
844 extern real_32 xadd (real_32, real_32, int_4);
845 extern real_32 xasinh (real_32);
846 extern real_32 xasin (real_32);
847 extern real_32 xatan2 (real_32, real_32);
848 extern real_32 xatanh (real_32);
849 extern real_32 xatan (real_32);
850 extern real_32 xcosh (real_32);
851 extern real_32 xcos (real_32);
852 extern real_32 xcotan (real_32);
853 extern real_32 xdiv (real_32, real_32);
854 extern real_32 xexp (real_32);
855 extern real_32 _xhypot (real_32, real_32);
856 extern real_32 xfrac (real_32);
857 extern real_32 xlog10 (real_32);
858 extern real_32 xlog (real_32);
859 extern real_32 xmul (real_32, real_32);
860 extern real_32 xneg (real_32);
861 extern real_32 xpwr (real_32, int_4);
862 extern real_32 xround (real_32);
863 extern real_32 xsfmod (real_32, int_4 *);
864 extern real_32 xsinh (real_32);
865 extern real_32 xsin (real_32);
866 extern real_32 xsqrt (real_32);
867 extern real_32 xtanh (real_32);
868 extern real_32 xtan (real_32);
869 extern real_32 xtenup (int_4);
870 extern real_32 xtrunc (real_32);
871 extern real_4 xtoflt (real_32);
872 extern real_8 xtodbl (real_32);
873
874 // SLATEC message handling routines.
875
876 extern int_4 _j4save (int_4 _p_, int_4 _p_, logical_4 _p_);
877 extern int_4 _xerabt (char _p_, int_4 *);
878 extern int_4 _xerbla (char _p_, int_4 _p_);
879 extern int_4 _xerclr (void);
880 extern int_4 _xerdmp (void);
881 extern int_4 _xermax (int_4 _p_);
882 extern int_4 _xermsg (char _p_, char _p_, char _p_, int_4 _p_, int_4 _p_);
883 extern int_4 _xerprn (char _p_, int_4 _p_, char _p_, int_4 _p_);
884 extern int_4 _xersve (char _p_, char _p_, char _p_, int_4 _p_, int_4 _p_, int_4 _p_, int_4 _p_);
885 extern int_4 _xgetf (int_4 _p_);
886 extern int_4 _xgetua (int_4 _p_, int_4 _p_);
887 extern int_4 _xgetun (int_4 _p_);
888 extern int_4 _xsetf (int_4 _p_);
889 extern int_4 _xsetua (int_4 _p_, int_4 _p_);
890 extern int_4 _xsetun (int_4 _p_);
891
892 #endif
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© 2002-2025 J.M. van der Veer (jmvdveer@xs4all.nl)
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