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6de9cd9a | 1 | /* gfortran header file |
9fc4d79b TS |
2 | Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, |
3 | Inc. | |
6de9cd9a DN |
4 | Contributed by Andy Vaught |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
9fc4d79b TS |
19 | along with GCC; see the file COPYING. If not, write to the Free |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
6de9cd9a DN |
22 | |
23 | #ifndef GCC_GFORTRAN_H | |
24 | #define GCC_GFORTRAN_H | |
25 | ||
26 | /* It's probably insane to have this large of a header file, but it | |
27 | seemed like everything had to be recompiled anyway when a change | |
28 | was made to a header file, and there were ordering issues with | |
29 | multiple header files. Besides, Microsoft's winnt.h was 250k last | |
30 | time I looked, so by comparison this is perfectly reasonable. */ | |
31 | ||
32 | /* We need system.h for HOST_WIDE_INT. Including hwint.h by itself doesn't | |
33 | seem to be sufficient on some systems. */ | |
34 | #include "system.h" | |
35 | #include "coretypes.h" | |
c8cc8542 | 36 | #include "input.h" |
6de9cd9a DN |
37 | |
38 | /* The following ifdefs are recommended by the autoconf documentation | |
39 | for any code using alloca. */ | |
40 | ||
41 | /* AIX requires this to be the first thing in the file. */ | |
42 | #ifdef __GNUC__ | |
43 | #else /* not __GNUC__ */ | |
44 | #ifdef HAVE_ALLOCA_H | |
45 | #include <alloca.h> | |
46 | #else /* do not HAVE_ALLOCA_H */ | |
47 | #ifdef _AIX | |
48 | #pragma alloca | |
49 | #else | |
50 | #ifndef alloca /* predefined by HP cc +Olibcalls */ | |
51 | char *alloca (); | |
52 | #endif /* not predefined */ | |
53 | #endif /* not _AIX */ | |
54 | #endif /* do not HAVE_ALLOCA_H */ | |
55 | #endif /* not __GNUC__ */ | |
56 | ||
57 | ||
58 | #include <stdio.h> /* need FILE * here */ | |
59 | ||
60 | /* Major control parameters. */ | |
61 | ||
6de9cd9a | 62 | #define GFC_MAX_SYMBOL_LEN 63 |
6de9cd9a DN |
63 | #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */ |
64 | #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */ | |
65 | #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ | |
66 | #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */ | |
67 | ||
68 | #define free(x) Use_gfc_free_instead_of_free() | |
69 | #define gfc_is_whitespace(c) ((c==' ') || (c=='\t')) | |
70 | ||
71 | #ifndef NULL | |
72 | #define NULL ((void *) 0) | |
73 | #endif | |
74 | ||
75 | /* Stringization. */ | |
76 | #define stringize(x) expand_macro(x) | |
77 | #define expand_macro(x) # x | |
78 | ||
79 | /* For a the runtime library, a standard prefix is a requirement to | |
80 | avoid cluttering the namespace with things nobody asked for. It's | |
81 | ugly to look at and a pain to type when you add the prefix by hand, | |
82 | so we hide it behind a macro. */ | |
83 | #define PREFIX(x) "_gfortran_" x | |
5b200ac2 | 84 | #define PREFIX_LEN 10 |
6de9cd9a DN |
85 | |
86 | /* Macro to initialize an mstring structure. */ | |
87 | #define minit(s, t) { s, NULL, t } | |
88 | ||
89 | /* Structure for storing strings to be matched by gfc_match_string. */ | |
90 | typedef struct | |
91 | { | |
92 | const char *string; | |
93 | const char *mp; | |
94 | int tag; | |
95 | } | |
96 | mstring; | |
97 | ||
98 | ||
99 | /* Flags to specify which standardi/extension contains a feature. */ | |
b7892582 JB |
100 | #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */ |
101 | #define GFC_STD_F2003 (1<<4) /* New in F2003. */ | |
f7b529fa KH |
102 | /* Note that no features were obsoleted nor deleted in F2003. */ |
103 | #define GFC_STD_F95 (1<<3) /* New in F95. */ | |
b7892582 JB |
104 | #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */ |
105 | #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */ | |
f7b529fa | 106 | #define GFC_STD_F77 (1<<0) /* Up to and including F77. */ |
6de9cd9a DN |
107 | |
108 | /*************************** Enums *****************************/ | |
109 | ||
110 | /* The author remains confused to this day about the convention of | |
111 | returning '0' for 'SUCCESS'... or was it the other way around? The | |
112 | following enum makes things much more readable. We also start | |
113 | values off at one instead of zero. */ | |
114 | ||
115 | typedef enum | |
116 | { SUCCESS = 1, FAILURE } | |
117 | try; | |
118 | ||
119 | /* Matchers return one of these three values. The difference between | |
120 | MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was | |
121 | successful, but that something non-syntactic is wrong and an error | |
122 | has already been issued. */ | |
123 | ||
124 | typedef enum | |
125 | { MATCH_NO = 1, MATCH_YES, MATCH_ERROR } | |
126 | match; | |
127 | ||
128 | typedef enum | |
129 | { FORM_FREE, FORM_FIXED, FORM_UNKNOWN } | |
130 | gfc_source_form; | |
131 | ||
132 | typedef enum | |
133 | { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX, | |
134 | BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE | |
135 | } | |
136 | bt; | |
137 | ||
138 | /* Expression node types. */ | |
139 | typedef enum | |
140 | { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, | |
141 | EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL | |
142 | } | |
143 | expr_t; | |
144 | ||
145 | /* Array types. */ | |
146 | typedef enum | |
147 | { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, | |
148 | AS_ASSUMED_SIZE, AS_UNKNOWN | |
149 | } | |
150 | array_type; | |
151 | ||
152 | typedef enum | |
153 | { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN } | |
154 | ar_type; | |
155 | ||
156 | /* Statement label types. */ | |
157 | typedef enum | |
158 | { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, | |
159 | ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT | |
160 | } | |
161 | gfc_sl_type; | |
162 | ||
163 | /* Intrinsic operators. */ | |
164 | typedef enum | |
165 | { GFC_INTRINSIC_BEGIN = 0, | |
166 | INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, | |
167 | INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, | |
168 | INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, | |
169 | INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, | |
170 | INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, | |
171 | INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER, | |
172 | INTRINSIC_ASSIGN, | |
173 | GFC_INTRINSIC_END /* Sentinel */ | |
174 | } | |
175 | gfc_intrinsic_op; | |
176 | ||
177 | ||
178 | /* Strings for all intrinsic operators. */ | |
179 | extern mstring intrinsic_operators[]; | |
180 | ||
181 | ||
182 | /* This macro is the number of intrinsic operators that exist. | |
183 | Assumptions are made about the numbering of the interface_op enums. */ | |
184 | #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END | |
185 | ||
186 | /* Arithmetic results. */ | |
187 | typedef enum | |
f8e566e5 | 188 | { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, |
14df5747 | 189 | ARITH_DIV0, ARITH_0TO0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC |
6de9cd9a DN |
190 | } |
191 | arith; | |
192 | ||
193 | /* Statements. */ | |
194 | typedef enum | |
195 | { | |
196 | ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA, | |
197 | ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, | |
198 | ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, | |
199 | ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO, | |
200 | ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, | |
201 | ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, | |
202 | ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL, | |
203 | ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, | |
204 | ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE, | |
205 | ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, | |
206 | ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP, | |
207 | ST_SUBROUTINE, | |
208 | ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT, | |
209 | ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF, | |
210 | ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE | |
211 | } | |
212 | gfc_statement; | |
213 | ||
214 | ||
215 | /* Types of interfaces that we can have. Assignment interfaces are | |
216 | considered to be intrinsic operators. */ | |
217 | typedef enum | |
218 | { | |
219 | INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, | |
220 | INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP | |
221 | } | |
222 | interface_type; | |
223 | ||
224 | /* Symbol flavors: these are all mutually exclusive. | |
225 | 10 elements = 4 bits. */ | |
226 | typedef enum | |
227 | { | |
228 | FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, | |
229 | FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST | |
230 | } | |
231 | sym_flavor; | |
232 | ||
233 | /* Procedure types. 7 elements = 3 bits. */ | |
234 | typedef enum | |
235 | { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, | |
236 | PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL | |
237 | } | |
238 | procedure_type; | |
239 | ||
240 | /* Intent types. */ | |
241 | typedef enum | |
242 | { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT | |
243 | } | |
244 | sym_intent; | |
245 | ||
246 | /* Access types. */ | |
247 | typedef enum | |
bbef13dc | 248 | { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE, |
6de9cd9a DN |
249 | } |
250 | gfc_access; | |
251 | ||
252 | /* Flags to keep track of where an interface came from. | |
253 | 4 elements = 2 bits. */ | |
254 | typedef enum | |
255 | { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE | |
256 | } | |
257 | ifsrc; | |
258 | ||
259 | /* Strings for all symbol attributes. We use these for dumping the | |
260 | parse tree, in error messages, and also when reading and writing | |
261 | modules. In symbol.c. */ | |
262 | extern const mstring flavors[]; | |
263 | extern const mstring procedures[]; | |
264 | extern const mstring intents[]; | |
265 | extern const mstring access_types[]; | |
266 | extern const mstring ifsrc_types[]; | |
267 | ||
268 | /* Enumeration of all the generic intrinsic functions. Used by the | |
269 | backend for identification of a function. */ | |
270 | ||
271 | enum gfc_generic_isym_id | |
272 | { | |
273 | /* GFC_ISYM_NONE is used for intrinsics which will never be seen by | |
274 | the backend (eg. KIND). */ | |
275 | GFC_ISYM_NONE = 0, | |
276 | GFC_ISYM_ABS, | |
277 | GFC_ISYM_ACHAR, | |
278 | GFC_ISYM_ACOS, | |
279 | GFC_ISYM_ADJUSTL, | |
280 | GFC_ISYM_ADJUSTR, | |
281 | GFC_ISYM_AIMAG, | |
282 | GFC_ISYM_AINT, | |
283 | GFC_ISYM_ALL, | |
284 | GFC_ISYM_ALLOCATED, | |
285 | GFC_ISYM_ANINT, | |
286 | GFC_ISYM_ANY, | |
287 | GFC_ISYM_ASIN, | |
288 | GFC_ISYM_ASSOCIATED, | |
289 | GFC_ISYM_ATAN, | |
290 | GFC_ISYM_ATAN2, | |
e8525382 SK |
291 | GFC_ISYM_J0, |
292 | GFC_ISYM_J1, | |
293 | GFC_ISYM_JN, | |
294 | GFC_ISYM_Y0, | |
295 | GFC_ISYM_Y1, | |
296 | GFC_ISYM_YN, | |
6de9cd9a DN |
297 | GFC_ISYM_BTEST, |
298 | GFC_ISYM_CEILING, | |
299 | GFC_ISYM_CHAR, | |
300 | GFC_ISYM_CMPLX, | |
b41b2534 | 301 | GFC_ISYM_COMMAND_ARGUMENT_COUNT, |
6de9cd9a DN |
302 | GFC_ISYM_CONJG, |
303 | GFC_ISYM_COS, | |
304 | GFC_ISYM_COSH, | |
305 | GFC_ISYM_COUNT, | |
306 | GFC_ISYM_CSHIFT, | |
307 | GFC_ISYM_DBLE, | |
308 | GFC_ISYM_DIM, | |
309 | GFC_ISYM_DOT_PRODUCT, | |
310 | GFC_ISYM_DPROD, | |
311 | GFC_ISYM_EOSHIFT, | |
e8525382 SK |
312 | GFC_ISYM_ERF, |
313 | GFC_ISYM_ERFC, | |
2bd74949 | 314 | GFC_ISYM_ETIME, |
6de9cd9a DN |
315 | GFC_ISYM_EXP, |
316 | GFC_ISYM_EXPONENT, | |
317 | GFC_ISYM_FLOOR, | |
df65f093 | 318 | GFC_ISYM_FNUM, |
6de9cd9a | 319 | GFC_ISYM_FRACTION, |
df65f093 | 320 | GFC_ISYM_FSTAT, |
a8c60d7f | 321 | GFC_ISYM_GETCWD, |
4c0c6b9f SK |
322 | GFC_ISYM_GETGID, |
323 | GFC_ISYM_GETPID, | |
324 | GFC_ISYM_GETUID, | |
6de9cd9a DN |
325 | GFC_ISYM_IACHAR, |
326 | GFC_ISYM_IAND, | |
b41b2534 | 327 | GFC_ISYM_IARGC, |
6de9cd9a DN |
328 | GFC_ISYM_IBCLR, |
329 | GFC_ISYM_IBITS, | |
330 | GFC_ISYM_IBSET, | |
331 | GFC_ISYM_ICHAR, | |
332 | GFC_ISYM_IEOR, | |
333 | GFC_ISYM_INDEX, | |
334 | GFC_ISYM_INT, | |
335 | GFC_ISYM_IOR, | |
2bd74949 | 336 | GFC_ISYM_IRAND, |
6de9cd9a DN |
337 | GFC_ISYM_ISHFT, |
338 | GFC_ISYM_ISHFTC, | |
339 | GFC_ISYM_LBOUND, | |
340 | GFC_ISYM_LEN, | |
341 | GFC_ISYM_LEN_TRIM, | |
342 | GFC_ISYM_LGE, | |
343 | GFC_ISYM_LGT, | |
344 | GFC_ISYM_LLE, | |
345 | GFC_ISYM_LLT, | |
346 | GFC_ISYM_LOG, | |
347 | GFC_ISYM_LOG10, | |
348 | GFC_ISYM_LOGICAL, | |
349 | GFC_ISYM_MATMUL, | |
350 | GFC_ISYM_MAX, | |
351 | GFC_ISYM_MAXLOC, | |
352 | GFC_ISYM_MAXVAL, | |
353 | GFC_ISYM_MERGE, | |
354 | GFC_ISYM_MIN, | |
355 | GFC_ISYM_MINLOC, | |
356 | GFC_ISYM_MINVAL, | |
357 | GFC_ISYM_MOD, | |
358 | GFC_ISYM_MODULO, | |
359 | GFC_ISYM_NEAREST, | |
360 | GFC_ISYM_NINT, | |
361 | GFC_ISYM_NOT, | |
362 | GFC_ISYM_PACK, | |
363 | GFC_ISYM_PRESENT, | |
364 | GFC_ISYM_PRODUCT, | |
2bd74949 | 365 | GFC_ISYM_RAND, |
6de9cd9a DN |
366 | GFC_ISYM_REAL, |
367 | GFC_ISYM_REPEAT, | |
368 | GFC_ISYM_RESHAPE, | |
369 | GFC_ISYM_RRSPACING, | |
370 | GFC_ISYM_SCALE, | |
371 | GFC_ISYM_SCAN, | |
2bd74949 | 372 | GFC_ISYM_SECOND, |
6de9cd9a DN |
373 | GFC_ISYM_SET_EXPONENT, |
374 | GFC_ISYM_SHAPE, | |
375 | GFC_ISYM_SI_KIND, | |
376 | GFC_ISYM_SIGN, | |
377 | GFC_ISYM_SIN, | |
378 | GFC_ISYM_SINH, | |
379 | GFC_ISYM_SIZE, | |
380 | GFC_ISYM_SPACING, | |
381 | GFC_ISYM_SPREAD, | |
382 | GFC_ISYM_SQRT, | |
383 | GFC_ISYM_SR_KIND, | |
df65f093 | 384 | GFC_ISYM_STAT, |
6de9cd9a | 385 | GFC_ISYM_SUM, |
5b1374e9 | 386 | GFC_ISYM_SYSTEM, |
6de9cd9a DN |
387 | GFC_ISYM_TAN, |
388 | GFC_ISYM_TANH, | |
389 | GFC_ISYM_TRANSFER, | |
390 | GFC_ISYM_TRANSPOSE, | |
391 | GFC_ISYM_TRIM, | |
392 | GFC_ISYM_UBOUND, | |
d8fe26b2 SK |
393 | GFC_ISYM_UMASK, |
394 | GFC_ISYM_UNLINK, | |
6de9cd9a DN |
395 | GFC_ISYM_UNPACK, |
396 | GFC_ISYM_VERIFY, | |
397 | GFC_ISYM_CONVERSION | |
398 | }; | |
399 | typedef enum gfc_generic_isym_id gfc_generic_isym_id; | |
400 | ||
401 | /************************* Structures *****************************/ | |
402 | ||
403 | /* Symbol attribute structure. */ | |
404 | typedef struct | |
405 | { | |
406 | /* Variable attributes. */ | |
407 | unsigned allocatable:1, dimension:1, external:1, intrinsic:1, | |
408 | optional:1, pointer:1, save:1, target:1, | |
3d79abbd | 409 | dummy:1, result:1, assign:1; |
6de9cd9a DN |
410 | |
411 | unsigned data:1, /* Symbol is named in a DATA statement. */ | |
412 | use_assoc:1; /* Symbol has been use-associated. */ | |
413 | ||
9056bd70 | 414 | unsigned in_namelist:1, in_common:1; |
6de9cd9a DN |
415 | unsigned function:1, subroutine:1, generic:1; |
416 | unsigned implicit_type:1; /* Type defined via implicit rules */ | |
417 | ||
418 | /* Function/subroutine attributes */ | |
419 | unsigned sequence:1, elemental:1, pure:1, recursive:1; | |
420 | unsigned unmaskable:1, masked:1, contained:1; | |
421 | ||
3d79abbd PB |
422 | /* Set if this procedure is an alternate entry point. These procedures |
423 | don't have any code associated, and the backend will turn them into | |
424 | thunks to the master function. */ | |
425 | unsigned entry:1; | |
426 | /* Set if this is the master function for a procedure with multiple | |
427 | entry points. */ | |
428 | unsigned entry_master:1; | |
429 | ||
6de9cd9a DN |
430 | /* Set if a function must always be referenced by an explicit interface. */ |
431 | unsigned always_explicit:1; | |
432 | ||
433 | /* Set if the symbol has been referenced in an expression. No further | |
434 | modification of type or type parameters is permitted. */ | |
435 | unsigned referenced:1; | |
436 | ||
437 | /* Mutually exclusive multibit attributes. */ | |
438 | gfc_access access:2; | |
439 | sym_intent intent:2; | |
440 | sym_flavor flavor:4; | |
441 | ifsrc if_source:2; | |
442 | ||
443 | procedure_type proc:3; | |
444 | ||
445 | } | |
446 | symbol_attribute; | |
447 | ||
448 | ||
d4fa05b9 TS |
449 | /* The following three structures are used to identify a location in |
450 | the sources. | |
451 | ||
452 | gfc_file is used to maintain a tree of the source files and how | |
453 | they include each other | |
6de9cd9a | 454 | |
d4fa05b9 TS |
455 | gfc_linebuf holds a single line of source code and information |
456 | which file it resides in | |
6de9cd9a | 457 | |
d4fa05b9 TS |
458 | locus point to the sourceline and the character in the source |
459 | line. | |
460 | */ | |
6de9cd9a | 461 | |
d4fa05b9 | 462 | typedef struct gfc_file |
6de9cd9a | 463 | { |
d4fa05b9 TS |
464 | struct gfc_file *included_by, *next, *up; |
465 | int inclusion_line, line; | |
466 | char *filename; | |
467 | } gfc_file; | |
468 | ||
469 | typedef struct gfc_linebuf | |
470 | { | |
c8cc8542 PB |
471 | #ifdef USE_MAPPED_LOCATION |
472 | source_location location; | |
473 | #else | |
d4fa05b9 | 474 | int linenum; |
c8cc8542 | 475 | #endif |
d4fa05b9 TS |
476 | struct gfc_file *file; |
477 | struct gfc_linebuf *next; | |
478 | ||
4cdf7223 | 479 | char line[1]; |
d4fa05b9 | 480 | } gfc_linebuf; |
4cdf7223 PB |
481 | |
482 | #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) | |
483 | ||
d4fa05b9 TS |
484 | typedef struct |
485 | { | |
486 | char *nextc; | |
487 | gfc_linebuf *lb; | |
488 | } locus; | |
6de9cd9a DN |
489 | |
490 | ||
491 | #include <limits.h> | |
492 | #ifndef PATH_MAX | |
493 | # include <sys/param.h> | |
494 | # define PATH_MAX MAXPATHLEN | |
495 | #endif | |
496 | ||
497 | ||
6de9cd9a DN |
498 | extern int gfc_suppress_error; |
499 | ||
500 | ||
501 | /* Character length structures hold the expression that gives the | |
502 | length of a character variable. We avoid putting these into | |
503 | gfc_typespec because doing so prevents us from doing structure | |
504 | copies and forces us to deallocate any typespecs we create, as well | |
505 | as structures that contain typespecs. They also can have multiple | |
506 | character typespecs pointing to them. | |
507 | ||
508 | These structures form a singly linked list within the current | |
509 | namespace and are deallocated with the namespace. It is possible to | |
510 | end up with gfc_charlen structures that have nothing pointing to them. */ | |
511 | ||
512 | typedef struct gfc_charlen | |
513 | { | |
514 | struct gfc_expr *length; | |
515 | struct gfc_charlen *next; | |
516 | tree backend_decl; | |
517 | } | |
518 | gfc_charlen; | |
519 | ||
520 | #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen)) | |
521 | ||
522 | /* Type specification structure. FIXME: derived and cl could be union??? */ | |
523 | typedef struct | |
524 | { | |
525 | bt type; | |
526 | int kind; | |
527 | struct gfc_symbol *derived; | |
528 | gfc_charlen *cl; /* For character types only. */ | |
529 | } | |
530 | gfc_typespec; | |
531 | ||
532 | /* Array specification. */ | |
533 | typedef struct | |
534 | { | |
535 | int rank; /* A rank of zero means that a variable is a scalar. */ | |
536 | array_type type; | |
537 | struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; | |
538 | } | |
539 | gfc_array_spec; | |
540 | ||
541 | #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec)) | |
542 | ||
543 | ||
544 | /* Components of derived types. */ | |
545 | typedef struct gfc_component | |
546 | { | |
547 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
548 | gfc_typespec ts; | |
549 | ||
550 | int pointer, dimension; | |
551 | gfc_array_spec *as; | |
552 | ||
553 | tree backend_decl; | |
554 | locus loc; | |
555 | struct gfc_expr *initializer; | |
556 | struct gfc_component *next; | |
557 | } | |
558 | gfc_component; | |
559 | ||
560 | #define gfc_get_component() gfc_getmem(sizeof(gfc_component)) | |
561 | ||
562 | /* Formal argument lists are lists of symbols. */ | |
563 | typedef struct gfc_formal_arglist | |
564 | { | |
4f613946 | 565 | /* Symbol representing the argument at this position in the arglist. */ |
6de9cd9a | 566 | struct gfc_symbol *sym; |
4f613946 | 567 | /* Points to the next formal argument. */ |
6de9cd9a DN |
568 | struct gfc_formal_arglist *next; |
569 | } | |
570 | gfc_formal_arglist; | |
571 | ||
572 | #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist)) | |
573 | ||
574 | ||
575 | /* The gfc_actual_arglist structure is for actual arguments. */ | |
576 | typedef struct gfc_actual_arglist | |
577 | { | |
578 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
579 | /* Alternate return label when the expr member is null. */ | |
580 | struct gfc_st_label *label; | |
581 | ||
1600fe22 TS |
582 | /* This is set to the type of an eventual omitted optional |
583 | argument. This is used to determine if a hidden string length | |
584 | argument has to be added to a function call. */ | |
585 | bt missing_arg_type; | |
586 | ||
6de9cd9a DN |
587 | struct gfc_expr *expr; |
588 | struct gfc_actual_arglist *next; | |
589 | } | |
590 | gfc_actual_arglist; | |
591 | ||
592 | #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist)) | |
593 | ||
594 | ||
595 | /* Because a symbol can belong to multiple namelists, they must be | |
596 | linked externally to the symbol itself. */ | |
597 | typedef struct gfc_namelist | |
598 | { | |
599 | struct gfc_symbol *sym; | |
600 | struct gfc_namelist *next; | |
601 | } | |
602 | gfc_namelist; | |
603 | ||
604 | #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist)) | |
605 | ||
606 | ||
607 | /* The gfc_st_label structure is a doubly linked list attached to a | |
608 | namespace that records the usage of statement labels within that | |
609 | space. */ | |
610 | /* TODO: Make format/statement specifics a union. */ | |
611 | typedef struct gfc_st_label | |
612 | { | |
613 | int value; | |
614 | ||
615 | gfc_sl_type defined, referenced; | |
616 | ||
617 | struct gfc_expr *format; | |
618 | ||
619 | tree backend_decl; | |
620 | ||
621 | locus where; | |
622 | ||
623 | struct gfc_st_label *prev, *next; | |
624 | } | |
625 | gfc_st_label; | |
626 | ||
627 | ||
628 | /* gfc_interface()-- Interfaces are lists of symbols strung together. */ | |
629 | typedef struct gfc_interface | |
630 | { | |
631 | struct gfc_symbol *sym; | |
632 | locus where; | |
633 | struct gfc_interface *next; | |
634 | } | |
635 | gfc_interface; | |
636 | ||
637 | #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface)) | |
638 | ||
639 | ||
640 | /* User operator nodes. These are like stripped down symbols. */ | |
641 | typedef struct | |
642 | { | |
643 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
644 | ||
645 | gfc_interface *operator; | |
646 | struct gfc_namespace *ns; | |
647 | gfc_access access; | |
648 | } | |
649 | gfc_user_op; | |
650 | ||
651 | /* Symbol nodes. These are important things. They are what the | |
652 | standard refers to as "entities". The possibly multiple names that | |
653 | refer to the same entity are accomplished by a binary tree of | |
654 | symtree structures that is balanced by the red-black method-- more | |
655 | than one symtree node can point to any given symbol. */ | |
656 | ||
657 | typedef struct gfc_symbol | |
658 | { | |
659 | char name[GFC_MAX_SYMBOL_LEN + 1]; /* Primary name, before renaming */ | |
660 | char module[GFC_MAX_SYMBOL_LEN + 1]; /* Module this symbol came from */ | |
661 | locus declared_at; | |
662 | ||
663 | gfc_typespec ts; | |
664 | symbol_attribute attr; | |
665 | ||
666 | /* The interface member points to the formal argument list if the | |
667 | symbol is a function or subroutine name. If the symbol is a | |
668 | generic name, the generic member points to the list of | |
669 | interfaces. */ | |
670 | ||
671 | gfc_interface *generic; | |
672 | gfc_access component_access; | |
673 | ||
674 | gfc_formal_arglist *formal; | |
675 | struct gfc_namespace *formal_ns; | |
676 | ||
677 | struct gfc_expr *value; /* Parameter/Initializer value */ | |
678 | gfc_array_spec *as; | |
679 | struct gfc_symbol *result; /* function result symbol */ | |
680 | gfc_component *components; /* Derived type components */ | |
681 | ||
9056bd70 | 682 | struct gfc_symbol *common_next; /* Links for COMMON syms */ |
6de9cd9a DN |
683 | /* Make sure setup code for dummy arguments is generated in the correct |
684 | order. */ | |
685 | int dummy_order; | |
686 | ||
687 | gfc_namelist *namelist, *namelist_tail; | |
688 | ||
689 | /* Change management fields. Symbols that might be modified by the | |
690 | current statement have the mark member nonzero and are kept in a | |
691 | singly linked list through the tlink field. Of these symbols, | |
692 | symbols with old_symbol equal to NULL are symbols created within | |
693 | the current statement. Otherwise, old_symbol points to a copy of | |
694 | the old symbol. */ | |
695 | ||
696 | struct gfc_symbol *old_symbol, *tlink; | |
697 | unsigned mark:1, new:1; | |
5291e69a PB |
698 | /* Nonzero if all equivalences associated with this symbol have been |
699 | processed. */ | |
700 | unsigned equiv_built:1; | |
6de9cd9a DN |
701 | int refs; |
702 | struct gfc_namespace *ns; /* namespace containing this symbol */ | |
703 | ||
704 | tree backend_decl; | |
6de9cd9a DN |
705 | } |
706 | gfc_symbol; | |
707 | ||
708 | ||
9056bd70 TS |
709 | /* This structure is used to keep track of symbols in common blocks. */ |
710 | ||
711 | typedef struct | |
712 | { | |
713 | locus where; | |
714 | int use_assoc, saved; | |
53814b8f | 715 | char name[GFC_MAX_SYMBOL_LEN + 1]; |
9056bd70 TS |
716 | gfc_symbol *head; |
717 | } | |
718 | gfc_common_head; | |
719 | ||
720 | #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head)) | |
721 | ||
722 | ||
3d79abbd PB |
723 | /* A list of all the alternate entry points for a procedure. */ |
724 | ||
725 | typedef struct gfc_entry_list | |
726 | { | |
727 | /* The symbol for this entry point. */ | |
728 | gfc_symbol *sym; | |
729 | /* The zero-based id of this entry point. */ | |
730 | int id; | |
731 | /* The LABEL_EXPR marking this entry point. */ | |
732 | tree label; | |
733 | /* The nest item in the list. */ | |
734 | struct gfc_entry_list *next; | |
735 | } | |
736 | gfc_entry_list; | |
737 | ||
738 | #define gfc_get_entry_list() \ | |
739 | (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list)) | |
9056bd70 | 740 | |
6de9cd9a DN |
741 | /* Within a namespace, symbols are pointed to by symtree nodes that |
742 | are linked together in a balanced binary tree. There can be | |
743 | several symtrees pointing to the same symbol node via USE | |
744 | statements. */ | |
745 | ||
746 | #define BBT_HEADER(self) int priority; struct self *left, *right | |
747 | ||
748 | typedef struct gfc_symtree | |
749 | { | |
750 | BBT_HEADER (gfc_symtree); | |
751 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
752 | int ambiguous; | |
753 | union | |
754 | { | |
755 | gfc_symbol *sym; /* Symbol associated with this node */ | |
756 | gfc_user_op *uop; | |
9056bd70 | 757 | gfc_common_head *common; |
6de9cd9a DN |
758 | } |
759 | n; | |
760 | ||
761 | } | |
762 | gfc_symtree; | |
763 | ||
764 | ||
3d79abbd PB |
765 | /* A namespace describes the contents of procedure, module or |
766 | interface block. */ | |
767 | /* ??? Anything else use these? */ | |
768 | ||
6de9cd9a DN |
769 | typedef struct gfc_namespace |
770 | { | |
4f613946 TS |
771 | /* Tree containing all the symbols in this namespace. */ |
772 | gfc_symtree *sym_root; | |
773 | /* Tree containing all the user-defined operators in the namespace. */ | |
774 | gfc_symtree *uop_root; | |
775 | /* Tree containing all the common blocks. */ | |
776 | gfc_symtree *common_root; | |
6de9cd9a | 777 | |
4f613946 | 778 | /* If set_flag[letter] is set, an implicit type has been set for letter. */ |
6de9cd9a | 779 | int set_flag[GFC_LETTERS]; |
4f613946 TS |
780 | /* Keeps track of the implicit types associated with the letters. */ |
781 | gfc_typespec default_type[GFC_LETTERS]; | |
6de9cd9a | 782 | |
4f613946 | 783 | /* If this is a namespace of a procedure, this points to the procedure. */ |
6de9cd9a | 784 | struct gfc_symbol *proc_name; |
4f613946 TS |
785 | /* If this is the namespace of a unit which contains executable |
786 | code, this points to it. */ | |
6de9cd9a | 787 | struct gfc_code *code; |
4f613946 TS |
788 | |
789 | /* Points to the equivalences set up in this namespace. */ | |
6de9cd9a | 790 | struct gfc_equiv *equiv; |
4f613946 TS |
791 | gfc_interface *operator[GFC_INTRINSIC_OPS]; |
792 | ||
793 | /* Points to the parent namespace, i.e. the namespace of a module or | |
794 | procedure in which the procedure belonging to this namespace is | |
795 | contained. The parent namespace points to this namespace either | |
796 | directly via CONTAINED, or indirectly via the chain built by | |
797 | SIBLING. */ | |
798 | struct gfc_namespace *parent; | |
799 | /* CONTAINED points to the first contained namespace. Sibling | |
800 | namespaces are chained via SIBLING. */ | |
801 | struct gfc_namespace *contained, *sibling; | |
802 | ||
803 | gfc_common_head blank_common; | |
6de9cd9a DN |
804 | gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; |
805 | ||
806 | gfc_st_label *st_labels; | |
294fbfc8 TS |
807 | /* This list holds information about all the data initializers in |
808 | this namespace. */ | |
6de9cd9a DN |
809 | struct gfc_data *data; |
810 | ||
811 | gfc_charlen *cl_list; | |
812 | ||
813 | int save_all, seen_save; | |
3d79abbd PB |
814 | |
815 | /* Normally we don't need to refcount namespaces. However when we read | |
816 | a module containing a function with multiple entry points, this | |
817 | will appear as several functions with the same formal namespace. */ | |
818 | int refs; | |
819 | ||
820 | /* A list of all alternate entry points to this procedure (or NULL). */ | |
821 | gfc_entry_list *entries; | |
0de4325e TS |
822 | |
823 | /* Set to 1 if namespace is a BLOCK DATA program unit. */ | |
824 | int is_block_data; | |
6de9cd9a DN |
825 | } |
826 | gfc_namespace; | |
827 | ||
828 | extern gfc_namespace *gfc_current_ns; | |
829 | ||
c9543002 TS |
830 | /* Global symbols are symbols of global scope. Currently we only use |
831 | this to detect collisions already when parsing. | |
832 | TODO: Extend to verify procedure calls. */ | |
833 | ||
834 | typedef struct gfc_gsymbol | |
835 | { | |
836 | BBT_HEADER(gfc_gsymbol); | |
837 | ||
838 | char name[GFC_MAX_SYMBOL_LEN+1]; | |
839 | enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, | |
840 | GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type; | |
841 | ||
842 | int defined, used; | |
843 | locus where; | |
844 | } | |
845 | gfc_gsymbol; | |
846 | ||
847 | extern gfc_gsymbol *gfc_gsym_root; | |
6de9cd9a DN |
848 | |
849 | /* Information on interfaces being built. */ | |
850 | typedef struct | |
851 | { | |
852 | interface_type type; | |
853 | gfc_symbol *sym; | |
854 | gfc_namespace *ns; | |
855 | gfc_user_op *uop; | |
856 | gfc_intrinsic_op op; | |
857 | } | |
858 | gfc_interface_info; | |
859 | ||
860 | extern gfc_interface_info current_interface; | |
861 | ||
862 | ||
863 | /* Array reference. */ | |
864 | typedef struct gfc_array_ref | |
865 | { | |
866 | ar_type type; | |
867 | int dimen; /* # of components in the reference */ | |
868 | locus where; | |
869 | gfc_array_spec *as; | |
870 | ||
871 | locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ | |
872 | struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], | |
873 | *stride[GFC_MAX_DIMENSIONS]; | |
874 | ||
875 | enum | |
876 | { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN } | |
877 | dimen_type[GFC_MAX_DIMENSIONS]; | |
878 | ||
879 | struct gfc_expr *offset; | |
880 | } | |
881 | gfc_array_ref; | |
882 | ||
883 | #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref)) | |
884 | ||
885 | ||
886 | /* Component reference nodes. A variable is stored as an expression | |
887 | node that points to the base symbol. After that, a singly linked | |
888 | list of component reference nodes gives the variable's complete | |
889 | resolution. The array_ref component may be present and comes | |
890 | before the component component. */ | |
891 | ||
892 | typedef enum | |
893 | { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING } | |
894 | ref_type; | |
895 | ||
896 | typedef struct gfc_ref | |
897 | { | |
898 | ref_type type; | |
899 | ||
900 | union | |
901 | { | |
902 | struct gfc_array_ref ar; | |
903 | ||
904 | struct | |
905 | { | |
906 | gfc_component *component; | |
907 | gfc_symbol *sym; | |
908 | } | |
909 | c; | |
910 | ||
911 | struct | |
912 | { | |
913 | struct gfc_expr *start, *end; /* Substring */ | |
914 | gfc_charlen *length; | |
915 | } | |
916 | ss; | |
917 | ||
918 | } | |
919 | u; | |
920 | ||
921 | struct gfc_ref *next; | |
922 | } | |
923 | gfc_ref; | |
924 | ||
925 | #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref)) | |
926 | ||
927 | ||
928 | /* Structures representing intrinsic symbols and their arguments lists. */ | |
929 | typedef struct gfc_intrinsic_arg | |
930 | { | |
931 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
932 | ||
933 | gfc_typespec ts; | |
934 | int optional; | |
935 | gfc_actual_arglist *actual; | |
936 | ||
937 | struct gfc_intrinsic_arg *next; | |
938 | ||
939 | } | |
940 | gfc_intrinsic_arg; | |
941 | ||
942 | ||
4f613946 TS |
943 | /* Specifies the various kinds of check functions used to verify the |
944 | argument lists of intrinsic functions. fX with X an integer refer | |
945 | to check functions of intrinsics with X arguments. f1m is used for | |
946 | the MAX and MIN intrinsics which can have an arbitrary number of | |
947 | arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as | |
948 | these have special semantics. */ | |
949 | ||
6de9cd9a DN |
950 | typedef union |
951 | { | |
4c0c6b9f | 952 | try (*f0)(void); |
6de9cd9a DN |
953 | try (*f1)(struct gfc_expr *); |
954 | try (*f1m)(gfc_actual_arglist *); | |
955 | try (*f2)(struct gfc_expr *, struct gfc_expr *); | |
956 | try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
f3207b37 | 957 | try (*f3ml)(gfc_actual_arglist *); |
7551270e | 958 | try (*f3red)(gfc_actual_arglist *); |
6de9cd9a DN |
959 | try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, |
960 | struct gfc_expr *); | |
961 | try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
962 | struct gfc_expr *, struct gfc_expr *); | |
963 | } | |
964 | gfc_check_f; | |
965 | ||
4f613946 TS |
966 | /* Like gfc_check_f, these specify the type of the simplification |
967 | function associated with an intrinsic. The fX are just like in | |
968 | gfc_check_f. cc is used for type conversion functions. */ | |
6de9cd9a DN |
969 | |
970 | typedef union | |
971 | { | |
4c0c6b9f | 972 | struct gfc_expr *(*f0)(void); |
6de9cd9a DN |
973 | struct gfc_expr *(*f1)(struct gfc_expr *); |
974 | struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); | |
975 | struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, | |
976 | struct gfc_expr *); | |
977 | struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, | |
978 | struct gfc_expr *, struct gfc_expr *); | |
979 | struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, | |
980 | struct gfc_expr *, struct gfc_expr *, | |
981 | struct gfc_expr *); | |
982 | struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); | |
983 | } | |
984 | gfc_simplify_f; | |
985 | ||
4f613946 | 986 | /* Again like gfc_check_f, these specify the type of the resolution |
13795658 | 987 | function associated with an intrinsic. The fX are just like in |
4f613946 TS |
988 | gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). |
989 | */ | |
6de9cd9a DN |
990 | |
991 | typedef union | |
992 | { | |
993 | void (*f0)(struct gfc_expr *); | |
994 | void (*f1)(struct gfc_expr *, struct gfc_expr *); | |
995 | void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); | |
996 | void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
997 | void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
998 | struct gfc_expr *); | |
999 | void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1000 | struct gfc_expr *, struct gfc_expr *); | |
1001 | void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1002 | struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1003 | void (*s1)(struct gfc_code *); | |
1004 | } | |
1005 | gfc_resolve_f; | |
1006 | ||
1007 | ||
1008 | typedef struct gfc_intrinsic_sym | |
1009 | { | |
1010 | char name[GFC_MAX_SYMBOL_LEN + 1], lib_name[GFC_MAX_SYMBOL_LEN + 1]; | |
1011 | gfc_intrinsic_arg *formal; | |
1012 | gfc_typespec ts; | |
b7892582 | 1013 | int elemental, pure, generic, specific, actual_ok, standard; |
6de9cd9a DN |
1014 | |
1015 | gfc_simplify_f simplify; | |
1016 | gfc_check_f check; | |
1017 | gfc_resolve_f resolve; | |
1018 | struct gfc_intrinsic_sym *specific_head, *next; | |
1019 | gfc_generic_isym_id generic_id; | |
1020 | ||
1021 | } | |
1022 | gfc_intrinsic_sym; | |
1023 | ||
1024 | ||
1025 | /* Expression nodes. The expression node types deserve explanations, | |
1026 | since the last couple can be easily misconstrued: | |
1027 | ||
1028 | EXPR_OP Operator node pointing to one or two other nodes | |
1029 | EXPR_FUNCTION Function call, symbol points to function's name | |
1030 | EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex | |
1031 | EXPR_VARIABLE An Lvalue with a root symbol and possible reference list | |
1032 | which expresses structure, array and substring refs. | |
1033 | EXPR_NULL The NULL pointer value (which also has a basic type). | |
1034 | EXPR_SUBSTRING A substring of a constant string | |
1035 | EXPR_STRUCTURE A structure constructor | |
1036 | EXPR_ARRAY An array constructor. */ | |
1037 | ||
1038 | #include <gmp.h> | |
f8e566e5 SK |
1039 | #include <mpfr.h> |
1040 | #define GFC_RND_MODE GMP_RNDN | |
6de9cd9a DN |
1041 | |
1042 | typedef struct gfc_expr | |
1043 | { | |
1044 | expr_t expr_type; | |
1045 | ||
1046 | gfc_typespec ts; /* These two refer to the overall expression */ | |
1047 | ||
1048 | int rank; | |
1049 | mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ | |
1050 | ||
1051 | gfc_intrinsic_op operator; | |
1052 | ||
1053 | /* Nonnull for functions and structure constructors */ | |
1054 | gfc_symtree *symtree; | |
1055 | ||
1056 | gfc_user_op *uop; | |
1057 | gfc_ref *ref; | |
1058 | ||
1059 | struct gfc_expr *op1, *op2; | |
1060 | locus where; | |
1061 | ||
1062 | union | |
1063 | { | |
6de9cd9a | 1064 | int logical; |
f8e566e5 SK |
1065 | mpz_t integer; |
1066 | ||
1067 | mpfr_t real; | |
6de9cd9a DN |
1068 | |
1069 | struct | |
1070 | { | |
f8e566e5 | 1071 | mpfr_t r, i; |
6de9cd9a DN |
1072 | } |
1073 | complex; | |
1074 | ||
1075 | struct | |
1076 | { | |
1077 | gfc_actual_arglist *actual; | |
1078 | char *name; /* Points to the ultimate name of the function */ | |
1079 | gfc_intrinsic_sym *isym; | |
1080 | gfc_symbol *esym; | |
1081 | } | |
1082 | function; | |
1083 | ||
1084 | struct | |
1085 | { | |
1086 | int length; | |
1087 | char *string; | |
1088 | } | |
1089 | character; | |
1090 | ||
1091 | struct gfc_constructor *constructor; | |
1092 | } | |
1093 | value; | |
1094 | ||
1095 | } | |
1096 | gfc_expr; | |
1097 | ||
1098 | ||
94538bd1 | 1099 | #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t))) |
6de9cd9a DN |
1100 | |
1101 | /* Structures for information associated with different kinds of | |
1102 | numbers. The first set of integer parameters define all there is | |
1103 | to know about a particular kind. The rest of the elements are | |
1104 | computed from the first elements. */ | |
1105 | ||
1106 | typedef struct | |
1107 | { | |
e2cad04b | 1108 | /* Values really representable by the target. */ |
14df5747 | 1109 | mpz_t huge, pedantic_min_int, min_int, max_int; |
e2cad04b RH |
1110 | |
1111 | int kind, radix, digits, bit_size, range; | |
1112 | ||
1113 | /* True if the C type of the given name maps to this precision. | |
1114 | Note that more than one bit can be set. */ | |
1115 | unsigned int c_char : 1; | |
1116 | unsigned int c_short : 1; | |
1117 | unsigned int c_int : 1; | |
1118 | unsigned int c_long : 1; | |
1119 | unsigned int c_long_long : 1; | |
6de9cd9a DN |
1120 | } |
1121 | gfc_integer_info; | |
1122 | ||
1123 | extern gfc_integer_info gfc_integer_kinds[]; | |
1124 | ||
1125 | ||
1126 | typedef struct | |
1127 | { | |
1128 | int kind, bit_size; | |
1129 | ||
e2cad04b RH |
1130 | /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ |
1131 | unsigned int c_bool : 1; | |
6de9cd9a DN |
1132 | } |
1133 | gfc_logical_info; | |
1134 | ||
1135 | extern gfc_logical_info gfc_logical_kinds[]; | |
1136 | ||
1137 | ||
1138 | typedef struct | |
1139 | { | |
e2cad04b | 1140 | mpfr_t epsilon, huge, tiny; |
6de9cd9a | 1141 | int kind, radix, digits, min_exponent, max_exponent; |
6de9cd9a | 1142 | int range, precision; |
e2cad04b RH |
1143 | |
1144 | /* The precision of the type as reported by GET_MODE_PRECISION. */ | |
1145 | int mode_precision; | |
1146 | ||
1147 | /* True if the C type of the given name maps to this precision. | |
1148 | Note that more than one bit can be set. */ | |
1149 | unsigned int c_float : 1; | |
1150 | unsigned int c_double : 1; | |
1151 | unsigned int c_long_double : 1; | |
6de9cd9a DN |
1152 | } |
1153 | gfc_real_info; | |
1154 | ||
1155 | extern gfc_real_info gfc_real_kinds[]; | |
1156 | ||
1157 | ||
1158 | /* Equivalence structures. Equivalent lvalues are linked along the | |
1159 | *eq pointer, equivalence sets are strung along the *next node. */ | |
1160 | typedef struct gfc_equiv | |
1161 | { | |
1162 | struct gfc_equiv *next, *eq; | |
1163 | gfc_expr *expr; | |
1164 | int used; | |
1165 | } | |
1166 | gfc_equiv; | |
1167 | ||
1168 | #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv)) | |
1169 | ||
1170 | ||
1171 | /* gfc_case stores the selector list of a case statement. The *low | |
1172 | and *high pointers can point to the same expression in the case of | |
1173 | a single value. If *high is NULL, the selection is from *low | |
1174 | upwards, if *low is NULL the selection is *high downwards. | |
1175 | ||
1176 | This structure has separate fields to allow singe and double linked | |
1177 | lists of CASEs the same time. The singe linked list along the NEXT | |
1178 | field is a list of cases for a single CASE label. The double linked | |
1179 | list along the LEFT/RIGHT fields is used to detect overlap and to | |
1180 | build a table of the cases for SELECT constructs with a CHARACTER | |
1181 | case expression. */ | |
1182 | ||
1183 | typedef struct gfc_case | |
1184 | { | |
1185 | /* Where we saw this case. */ | |
1186 | locus where; | |
1187 | int n; | |
1188 | ||
1189 | /* Case range values. If (low == high), it's a single value. If one of | |
1190 | the labels is NULL, it's an unbounded case. If both are NULL, this | |
1191 | represents the default case. */ | |
1192 | gfc_expr *low, *high; | |
1193 | ||
1194 | /* Next case label in the list of cases for a single CASE label. */ | |
1195 | struct gfc_case *next; | |
1196 | ||
1197 | /* Used for detecting overlap, and for code generation. */ | |
1198 | struct gfc_case *left, *right; | |
1199 | ||
1200 | /* True if this case label can never be matched. */ | |
1201 | int unreachable; | |
1202 | } | |
1203 | gfc_case; | |
1204 | ||
1205 | #define gfc_get_case() gfc_getmem(sizeof(gfc_case)) | |
1206 | ||
1207 | ||
1208 | typedef struct | |
1209 | { | |
1210 | gfc_expr *var, *start, *end, *step; | |
1211 | } | |
1212 | gfc_iterator; | |
1213 | ||
1214 | #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator)) | |
1215 | ||
1216 | ||
f7b529fa | 1217 | /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ |
6de9cd9a DN |
1218 | |
1219 | typedef struct gfc_alloc | |
1220 | { | |
1221 | gfc_expr *expr; | |
1222 | struct gfc_alloc *next; | |
1223 | } | |
1224 | gfc_alloc; | |
1225 | ||
1226 | #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc)) | |
1227 | ||
1228 | ||
1229 | typedef struct | |
1230 | { | |
1231 | gfc_expr *unit, *file, *status, *access, *form, *recl, | |
1232 | *blank, *position, *action, *delim, *pad, *iostat; | |
1233 | gfc_st_label *err; | |
1234 | } | |
1235 | gfc_open; | |
1236 | ||
1237 | ||
1238 | typedef struct | |
1239 | { | |
1240 | gfc_expr *unit, *status, *iostat; | |
1241 | gfc_st_label *err; | |
1242 | } | |
1243 | gfc_close; | |
1244 | ||
1245 | ||
1246 | typedef struct | |
1247 | { | |
1248 | gfc_expr *unit, *iostat; | |
1249 | gfc_st_label *err; | |
1250 | } | |
1251 | gfc_filepos; | |
1252 | ||
1253 | ||
1254 | typedef struct | |
1255 | { | |
1256 | gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, | |
1257 | *name, *access, *sequential, *direct, *form, *formatted, | |
1258 | *unformatted, *recl, *nextrec, *blank, *position, *action, *read, | |
1259 | *write, *readwrite, *delim, *pad, *iolength; | |
1260 | ||
1261 | gfc_st_label *err; | |
1262 | ||
1263 | } | |
1264 | gfc_inquire; | |
1265 | ||
1266 | ||
1267 | typedef struct | |
1268 | { | |
1269 | gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size; | |
1270 | ||
1271 | gfc_symbol *namelist; | |
1272 | /* A format_label of `format_asterisk' indicates the "*" format */ | |
1273 | gfc_st_label *format_label; | |
1274 | gfc_st_label *err, *end, *eor; | |
1275 | ||
1276 | locus eor_where, end_where; | |
1277 | } | |
1278 | gfc_dt; | |
1279 | ||
1280 | ||
1281 | typedef struct gfc_forall_iterator | |
1282 | { | |
1283 | gfc_expr *var, *start, *end, *stride; | |
1284 | struct gfc_forall_iterator *next; | |
1285 | } | |
1286 | gfc_forall_iterator; | |
1287 | ||
1288 | ||
1289 | /* Executable statements that fill gfc_code structures. */ | |
1290 | typedef enum | |
1291 | { | |
1292 | EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, | |
3d79abbd PB |
1293 | EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY, |
1294 | EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, | |
6de9cd9a DN |
1295 | EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT, |
1296 | EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, | |
1297 | EXEC_ALLOCATE, EXEC_DEALLOCATE, | |
1298 | EXEC_OPEN, EXEC_CLOSE, | |
1299 | EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, | |
1300 | EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND | |
1301 | } | |
1302 | gfc_exec_op; | |
1303 | ||
1304 | typedef struct gfc_code | |
1305 | { | |
1306 | gfc_exec_op op; | |
1307 | ||
1308 | struct gfc_code *block, *next; | |
1309 | locus loc; | |
1310 | ||
1311 | gfc_st_label *here, *label, *label2, *label3; | |
1312 | gfc_symtree *symtree; | |
1313 | gfc_expr *expr, *expr2; | |
1314 | /* A name isn't sufficient to identify a subroutine, we need the actual | |
1315 | symbol for the interface definition. | |
1316 | const char *sub_name; */ | |
1317 | gfc_symbol *resolved_sym; | |
1318 | ||
1319 | union | |
1320 | { | |
1321 | gfc_actual_arglist *actual; | |
1322 | gfc_case *case_list; | |
1323 | gfc_iterator *iterator; | |
1324 | gfc_alloc *alloc_list; | |
1325 | gfc_open *open; | |
1326 | gfc_close *close; | |
1327 | gfc_filepos *filepos; | |
1328 | gfc_inquire *inquire; | |
1329 | gfc_dt *dt; | |
1330 | gfc_forall_iterator *forall_iterator; | |
1331 | struct gfc_code *whichloop; | |
1332 | int stop_code; | |
3d79abbd | 1333 | gfc_entry_list *entry; |
6de9cd9a DN |
1334 | } |
1335 | ext; /* Points to additional structures required by statement */ | |
1336 | ||
1337 | /* Backend_decl is used for cycle and break labels in do loops, and | |
1338 | * probably for other constructs as well, once we translate them. */ | |
1339 | tree backend_decl; | |
1340 | } | |
1341 | gfc_code; | |
1342 | ||
1343 | ||
1344 | /* Storage for DATA statements. */ | |
1345 | typedef struct gfc_data_variable | |
1346 | { | |
1347 | gfc_expr *expr; | |
1348 | gfc_iterator iter; | |
1349 | struct gfc_data_variable *list, *next; | |
1350 | } | |
1351 | gfc_data_variable; | |
1352 | ||
1353 | ||
1354 | typedef struct gfc_data_value | |
1355 | { | |
b8502435 | 1356 | unsigned int repeat; |
6de9cd9a | 1357 | gfc_expr *expr; |
6de9cd9a DN |
1358 | struct gfc_data_value *next; |
1359 | } | |
1360 | gfc_data_value; | |
1361 | ||
1362 | ||
1363 | typedef struct gfc_data | |
1364 | { | |
1365 | gfc_data_variable *var; | |
1366 | gfc_data_value *value; | |
1367 | locus where; | |
1368 | ||
1369 | struct gfc_data *next; | |
1370 | } | |
1371 | gfc_data; | |
1372 | ||
1373 | #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable)) | |
1374 | #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value)) | |
1375 | #define gfc_get_data() gfc_getmem(sizeof(gfc_data)) | |
1376 | ||
1377 | ||
1378 | /* Structure for holding compile options */ | |
1379 | typedef struct | |
1380 | { | |
1381 | const char *source; | |
1382 | char *module_dir; | |
1383 | gfc_source_form source_form; | |
1384 | int fixed_line_length; | |
1385 | int max_identifier_length; | |
1386 | int verbose; | |
1387 | ||
1388 | int warn_aliasing; | |
1389 | int warn_conversion; | |
1390 | int warn_implicit_interface; | |
1391 | int warn_line_truncation; | |
2d8b59df | 1392 | int warn_underflow; |
6de9cd9a DN |
1393 | int warn_surprising; |
1394 | int warn_unused_labels; | |
1395 | ||
1396 | int flag_dollar_ok; | |
1397 | int flag_underscoring; | |
1398 | int flag_second_underscore; | |
1399 | int flag_implicit_none; | |
1400 | int flag_max_stack_var_size; | |
1401 | int flag_module_access_private; | |
1402 | int flag_no_backend; | |
1403 | int flag_pack_derived; | |
1404 | int flag_repack_arrays; | |
1405 | ||
1406 | int q_kind; | |
1407 | int r8; | |
1408 | int i8; | |
1409 | int d8; | |
1410 | int warn_std; | |
1411 | int allow_std; | |
b7892582 | 1412 | int warn_nonstd_intrinsics; |
6de9cd9a DN |
1413 | } |
1414 | gfc_option_t; | |
1415 | ||
1416 | extern gfc_option_t gfc_option; | |
1417 | ||
1418 | ||
1419 | /* Constructor nodes for array and structure constructors. */ | |
1420 | typedef struct gfc_constructor | |
1421 | { | |
1422 | gfc_expr *expr; | |
1423 | gfc_iterator *iterator; | |
1424 | locus where; | |
1425 | struct gfc_constructor *next; | |
1426 | struct | |
1427 | { | |
1428 | mpz_t offset; /* Record the offset of array element which appears in | |
1429 | data statement like "data a(5)/4/". */ | |
1430 | gfc_component *component; /* Record the component being initialized. */ | |
1431 | } | |
1432 | n; | |
1433 | mpz_t repeat; /* Record the repeat number of initial values in data | |
1434 | statement like "data a/5*10/". */ | |
1435 | } | |
1436 | gfc_constructor; | |
1437 | ||
1438 | ||
1439 | typedef struct iterator_stack | |
1440 | { | |
1441 | gfc_symtree *variable; | |
1442 | mpz_t value; | |
1443 | struct iterator_stack *prev; | |
1444 | } | |
1445 | iterator_stack; | |
1446 | extern iterator_stack *iter_stack; | |
1447 | ||
1448 | /************************ Function prototypes *************************/ | |
1449 | ||
1450 | /* data.c */ | |
1451 | void gfc_formalize_init_value (gfc_symbol *); | |
1452 | void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *); | |
1453 | void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t); | |
b8502435 | 1454 | void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t); |
6de9cd9a DN |
1455 | void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *); |
1456 | ||
1457 | /* scanner.c */ | |
1458 | void gfc_scanner_done_1 (void); | |
1459 | void gfc_scanner_init_1 (void); | |
1460 | ||
1461 | void gfc_add_include_path (const char *); | |
1462 | void gfc_release_include_path (void); | |
1463 | FILE *gfc_open_included_file (const char *); | |
1464 | ||
6de9cd9a DN |
1465 | int gfc_at_end (void); |
1466 | int gfc_at_eof (void); | |
1467 | int gfc_at_bol (void); | |
1468 | int gfc_at_eol (void); | |
1469 | void gfc_advance_line (void); | |
1470 | int gfc_check_include (void); | |
1471 | ||
1472 | void gfc_skip_comments (void); | |
1473 | int gfc_next_char_literal (int); | |
1474 | int gfc_next_char (void); | |
1475 | int gfc_peek_char (void); | |
1476 | void gfc_error_recovery (void); | |
1477 | void gfc_gobble_whitespace (void); | |
1478 | try gfc_new_file (const char *, gfc_source_form); | |
1479 | ||
d4fa05b9 TS |
1480 | extern gfc_source_form gfc_current_form; |
1481 | extern char *gfc_source_file; | |
63645982 | 1482 | extern locus gfc_current_locus; |
6de9cd9a DN |
1483 | |
1484 | /* misc.c */ | |
1485 | void *gfc_getmem (size_t) ATTRIBUTE_MALLOC; | |
1486 | void gfc_free (void *); | |
1487 | int gfc_terminal_width(void); | |
1488 | void gfc_clear_ts (gfc_typespec *); | |
1489 | FILE *gfc_open_file (const char *); | |
1490 | const char *gfc_article (const char *); | |
1491 | const char *gfc_basic_typename (bt); | |
1492 | const char *gfc_typename (gfc_typespec *); | |
1493 | ||
1494 | #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \ | |
1495 | "=" : gfc_code2string (intrinsic_operators, OP)) | |
1496 | ||
1497 | const char *gfc_code2string (const mstring *, int); | |
1498 | int gfc_string2code (const mstring *, const char *); | |
1499 | const char *gfc_intent_string (sym_intent); | |
1500 | ||
1501 | void gfc_init_1 (void); | |
1502 | void gfc_init_2 (void); | |
1503 | void gfc_done_1 (void); | |
1504 | void gfc_done_2 (void); | |
1505 | ||
1506 | /* options.c */ | |
1507 | unsigned int gfc_init_options (unsigned int, const char **); | |
1508 | int gfc_handle_option (size_t, const char *, int); | |
1509 | bool gfc_post_options (const char **); | |
1510 | ||
1511 | /* iresolve.c */ | |
1512 | char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; | |
1513 | void gfc_iresolve_init_1 (void); | |
1514 | void gfc_iresolve_done_1 (void); | |
1515 | ||
1516 | /* error.c */ | |
1517 | ||
1518 | typedef struct gfc_error_buf | |
1519 | { | |
1520 | int flag; | |
1521 | char message[MAX_ERROR_MESSAGE]; | |
1522 | } gfc_error_buf; | |
1523 | ||
1524 | void gfc_error_init_1 (void); | |
1525 | void gfc_buffer_error (int); | |
1526 | ||
1527 | void gfc_warning (const char *, ...); | |
1528 | void gfc_warning_now (const char *, ...); | |
1529 | void gfc_clear_warning (void); | |
1530 | void gfc_warning_check (void); | |
1531 | ||
1532 | void gfc_error (const char *, ...); | |
1533 | void gfc_error_now (const char *, ...); | |
1534 | void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN; | |
1535 | void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN; | |
1536 | void gfc_clear_error (void); | |
1537 | int gfc_error_check (void); | |
1538 | ||
1539 | try gfc_notify_std (int, const char *, ...); | |
1540 | ||
1541 | /* A general purpose syntax error. */ | |
1542 | #define gfc_syntax_error(ST) \ | |
1543 | gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); | |
1544 | ||
1545 | void gfc_push_error (gfc_error_buf *); | |
1546 | void gfc_pop_error (gfc_error_buf *); | |
1547 | ||
1548 | void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1; | |
1549 | void gfc_status_char (char); | |
1550 | ||
1551 | void gfc_get_errors (int *, int *); | |
1552 | ||
1553 | /* arith.c */ | |
1554 | void gfc_arith_init_1 (void); | |
1555 | void gfc_arith_done_1 (void); | |
1556 | ||
5e8e542f | 1557 | /* trans-types.c */ |
e7a2d5fb | 1558 | int gfc_validate_kind (bt, int, bool); |
6de9cd9a | 1559 | extern int gfc_index_integer_kind; |
9d64df18 TS |
1560 | extern int gfc_default_integer_kind; |
1561 | extern int gfc_default_real_kind; | |
1562 | extern int gfc_default_double_kind; | |
1563 | extern int gfc_default_character_kind; | |
1564 | extern int gfc_default_logical_kind; | |
1565 | extern int gfc_default_complex_kind; | |
e8525382 | 1566 | extern int gfc_c_int_kind; |
6de9cd9a DN |
1567 | |
1568 | /* symbol.c */ | |
1569 | void gfc_clear_new_implicit (void); | |
1107b970 PB |
1570 | try gfc_add_new_implicit_range (int, int); |
1571 | try gfc_merge_new_implicit (gfc_typespec *); | |
6de9cd9a | 1572 | void gfc_set_implicit_none (void); |
6de9cd9a DN |
1573 | |
1574 | gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *); | |
1575 | try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); | |
1576 | ||
1577 | void gfc_set_component_attr (gfc_component *, symbol_attribute *); | |
1578 | void gfc_get_component_attr (symbol_attribute *, gfc_component *); | |
1579 | ||
1580 | void gfc_set_sym_referenced (gfc_symbol * sym); | |
1581 | ||
1582 | try gfc_add_allocatable (symbol_attribute *, locus *); | |
1583 | try gfc_add_dimension (symbol_attribute *, locus *); | |
1584 | try gfc_add_external (symbol_attribute *, locus *); | |
1585 | try gfc_add_intrinsic (symbol_attribute *, locus *); | |
1586 | try gfc_add_optional (symbol_attribute *, locus *); | |
1587 | try gfc_add_pointer (symbol_attribute *, locus *); | |
1588 | try gfc_add_result (symbol_attribute *, locus *); | |
1589 | try gfc_add_save (symbol_attribute *, locus *); | |
1590 | try gfc_add_saved_common (symbol_attribute *, locus *); | |
1591 | try gfc_add_target (symbol_attribute *, locus *); | |
1592 | try gfc_add_dummy (symbol_attribute *, locus *); | |
1593 | try gfc_add_generic (symbol_attribute *, locus *); | |
1594 | try gfc_add_common (symbol_attribute *, locus *); | |
1595 | try gfc_add_in_common (symbol_attribute *, locus *); | |
9056bd70 | 1596 | try gfc_add_data (symbol_attribute *, locus *); |
6de9cd9a DN |
1597 | try gfc_add_in_namelist (symbol_attribute *, locus *); |
1598 | try gfc_add_sequence (symbol_attribute *, locus *); | |
1599 | try gfc_add_elemental (symbol_attribute *, locus *); | |
1600 | try gfc_add_pure (symbol_attribute *, locus *); | |
1601 | try gfc_add_recursive (symbol_attribute *, locus *); | |
1602 | try gfc_add_function (symbol_attribute *, locus *); | |
1603 | try gfc_add_subroutine (symbol_attribute *, locus *); | |
1604 | ||
1605 | try gfc_add_access (symbol_attribute *, gfc_access, locus *); | |
1606 | try gfc_add_flavor (symbol_attribute *, sym_flavor, locus *); | |
1607 | try gfc_add_entry (symbol_attribute *, locus *); | |
1608 | try gfc_add_procedure (symbol_attribute *, procedure_type, locus *); | |
1609 | try gfc_add_intent (symbol_attribute *, sym_intent, locus *); | |
1610 | try gfc_add_explicit_interface (gfc_symbol *, ifsrc, | |
1611 | gfc_formal_arglist *, locus *); | |
1612 | try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); | |
1613 | ||
1614 | void gfc_clear_attr (symbol_attribute *); | |
1615 | try gfc_missing_attr (symbol_attribute *, locus *); | |
1616 | try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); | |
1617 | ||
1618 | try gfc_add_component (gfc_symbol *, const char *, gfc_component **); | |
1619 | gfc_symbol *gfc_use_derived (gfc_symbol *); | |
1620 | gfc_symtree *gfc_use_derived_tree (gfc_symtree *); | |
1621 | gfc_component *gfc_find_component (gfc_symbol *, const char *); | |
1622 | ||
1623 | gfc_st_label *gfc_get_st_label (int); | |
1624 | void gfc_free_st_label (gfc_st_label *); | |
1625 | void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); | |
1626 | try gfc_reference_st_label (gfc_st_label *, gfc_sl_type); | |
1627 | ||
1628 | gfc_namespace *gfc_get_namespace (gfc_namespace *); | |
1629 | gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); | |
1630 | gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); | |
1631 | gfc_user_op *gfc_get_uop (const char *); | |
1632 | gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); | |
1633 | void gfc_free_symbol (gfc_symbol *); | |
1634 | gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); | |
1635 | int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); | |
1636 | int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); | |
1637 | int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); | |
1638 | int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **); | |
1639 | int gfc_get_ha_symbol (const char *, gfc_symbol **); | |
1640 | int gfc_get_ha_sym_tree (const char *, gfc_symtree **); | |
1641 | ||
1642 | int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *); | |
1643 | ||
1644 | void gfc_undo_symbols (void); | |
1645 | void gfc_commit_symbols (void); | |
1646 | void gfc_free_namespace (gfc_namespace *); | |
1647 | ||
1648 | void gfc_symbol_init_2 (void); | |
1649 | void gfc_symbol_done_2 (void); | |
1650 | ||
9056bd70 | 1651 | void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); |
6de9cd9a DN |
1652 | void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); |
1653 | void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); | |
1654 | void gfc_save_all (gfc_namespace *); | |
1655 | ||
1656 | void gfc_symbol_state (void); | |
1657 | ||
c9543002 TS |
1658 | gfc_gsymbol *gfc_get_gsymbol (char *); |
1659 | gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, char *); | |
1660 | ||
6de9cd9a DN |
1661 | /* intrinsic.c */ |
1662 | extern int gfc_init_expr; | |
1663 | ||
1664 | /* Given a symbol that we have decided is intrinsic, mark it as such | |
1665 | by placing it into a special module that is otherwise impossible to | |
1666 | read or write. */ | |
1667 | ||
1668 | #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)") | |
1669 | ||
1670 | void gfc_intrinsic_init_1 (void); | |
1671 | void gfc_intrinsic_done_1 (void); | |
1672 | ||
1673 | char gfc_type_letter (bt); | |
1674 | gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); | |
1675 | try gfc_convert_type (gfc_expr *, gfc_typespec *, int); | |
1676 | try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int); | |
1677 | int gfc_generic_intrinsic (const char *); | |
1678 | int gfc_specific_intrinsic (const char *); | |
1679 | int gfc_intrinsic_name (const char *, int); | |
1680 | gfc_intrinsic_sym *gfc_find_function (const char *); | |
1681 | ||
1682 | match gfc_intrinsic_func_interface (gfc_expr *, int); | |
1683 | match gfc_intrinsic_sub_interface (gfc_code *, int); | |
1684 | ||
1685 | /* simplify.c */ | |
1686 | void gfc_simplify_init_1 (void); | |
6de9cd9a DN |
1687 | |
1688 | /* match.c -- FIXME */ | |
1689 | void gfc_free_iterator (gfc_iterator *, int); | |
1690 | void gfc_free_forall_iterator (gfc_forall_iterator *); | |
1691 | void gfc_free_alloc_list (gfc_alloc *); | |
1692 | void gfc_free_namelist (gfc_namelist *); | |
1693 | void gfc_free_equiv (gfc_equiv *); | |
1694 | void gfc_free_data (gfc_data *); | |
1695 | void gfc_free_case_list (gfc_case *); | |
1696 | ||
1697 | /* expr.c */ | |
1698 | void gfc_free_actual_arglist (gfc_actual_arglist *); | |
1699 | gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); | |
1700 | const char *gfc_extract_int (gfc_expr *, int *); | |
1701 | ||
1702 | gfc_expr *gfc_build_conversion (gfc_expr *); | |
1703 | void gfc_free_ref_list (gfc_ref *); | |
1704 | void gfc_type_convert_binary (gfc_expr *); | |
1705 | int gfc_is_constant_expr (gfc_expr *); | |
1706 | try gfc_simplify_expr (gfc_expr *, int); | |
1707 | ||
1708 | gfc_expr *gfc_get_expr (void); | |
1709 | void gfc_free_expr (gfc_expr *); | |
1710 | void gfc_replace_expr (gfc_expr *, gfc_expr *); | |
1711 | gfc_expr *gfc_int_expr (int); | |
1712 | gfc_expr *gfc_logical_expr (int, locus *); | |
1713 | mpz_t *gfc_copy_shape (mpz_t *, int); | |
94538bd1 | 1714 | mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); |
6de9cd9a DN |
1715 | gfc_expr *gfc_copy_expr (gfc_expr *); |
1716 | ||
1717 | try gfc_specification_expr (gfc_expr *); | |
1718 | ||
1719 | int gfc_numeric_ts (gfc_typespec *); | |
1720 | int gfc_kind_max (gfc_expr *, gfc_expr *); | |
1721 | ||
1722 | try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *); | |
1723 | try gfc_check_assign (gfc_expr *, gfc_expr *, int); | |
1724 | try gfc_check_pointer_assign (gfc_expr *, gfc_expr *); | |
1725 | try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *); | |
1726 | ||
54b4ba60 | 1727 | gfc_expr *gfc_default_initializer (gfc_typespec *); |
294fbfc8 TS |
1728 | gfc_expr *gfc_get_variable_expr (gfc_symtree *); |
1729 | ||
54b4ba60 | 1730 | |
6de9cd9a DN |
1731 | /* st.c */ |
1732 | extern gfc_code new_st; | |
1733 | ||
1734 | void gfc_clear_new_st (void); | |
1735 | gfc_code *gfc_get_code (void); | |
1736 | gfc_code *gfc_append_code (gfc_code *, gfc_code *); | |
1737 | void gfc_free_statement (gfc_code *); | |
1738 | void gfc_free_statements (gfc_code *); | |
1739 | ||
1740 | /* resolve.c */ | |
1741 | try gfc_resolve_expr (gfc_expr *); | |
1742 | void gfc_resolve (gfc_namespace *); | |
1743 | int gfc_impure_variable (gfc_symbol *); | |
1744 | int gfc_pure (gfc_symbol *); | |
1745 | int gfc_elemental (gfc_symbol *); | |
1746 | try gfc_resolve_iterator (gfc_iterator *); | |
1747 | try gfc_resolve_index (gfc_expr *, int); | |
1748 | ||
1749 | /* array.c */ | |
1750 | void gfc_free_array_spec (gfc_array_spec *); | |
1751 | gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); | |
1752 | ||
1753 | try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); | |
1754 | gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); | |
1755 | try gfc_resolve_array_spec (gfc_array_spec *, int); | |
1756 | ||
1757 | int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); | |
1758 | ||
1759 | gfc_expr *gfc_start_constructor (bt, int, locus *); | |
1760 | void gfc_append_constructor (gfc_expr *, gfc_expr *); | |
1761 | void gfc_free_constructor (gfc_constructor *); | |
1762 | void gfc_simplify_iterator_var (gfc_expr *); | |
1763 | try gfc_expand_constructor (gfc_expr *); | |
1764 | int gfc_constant_ac (gfc_expr *); | |
1765 | int gfc_expanded_ac (gfc_expr *); | |
1766 | try gfc_resolve_array_constructor (gfc_expr *); | |
1767 | try gfc_check_constructor_type (gfc_expr *); | |
1768 | try gfc_check_iter_variable (gfc_expr *); | |
1769 | try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *)); | |
1770 | gfc_constructor *gfc_copy_constructor (gfc_constructor * src); | |
1771 | gfc_expr *gfc_get_array_element (gfc_expr *, int); | |
1772 | try gfc_array_size (gfc_expr *, mpz_t *); | |
1773 | try gfc_array_dimen_size (gfc_expr *, int, mpz_t *); | |
1774 | try gfc_array_ref_shape (gfc_array_ref *, mpz_t *); | |
1775 | gfc_array_ref *gfc_find_array_ref (gfc_expr *); | |
1776 | void gfc_insert_constructor (gfc_expr *, gfc_constructor *); | |
1777 | gfc_constructor *gfc_get_constructor (void); | |
1778 | tree gfc_conv_array_initializer (tree type, gfc_expr * expr); | |
1779 | try spec_size (gfc_array_spec *, mpz_t *); | |
4077d207 | 1780 | int gfc_is_compile_time_shape (gfc_array_spec *); |
6de9cd9a DN |
1781 | |
1782 | /* interface.c -- FIXME: some of these should be in symbol.c */ | |
1783 | void gfc_free_interface (gfc_interface *); | |
1784 | int gfc_compare_types (gfc_typespec *, gfc_typespec *); | |
1785 | void gfc_check_interfaces (gfc_namespace *); | |
1786 | void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); | |
1787 | gfc_symbol *gfc_search_interface (gfc_interface *, int, | |
1788 | gfc_actual_arglist **); | |
1789 | try gfc_extend_expr (gfc_expr *); | |
1790 | void gfc_free_formal_arglist (gfc_formal_arglist *); | |
1791 | try gfc_extend_assign (gfc_code *, gfc_namespace *); | |
1792 | try gfc_add_interface (gfc_symbol * sym); | |
1793 | ||
1794 | /* io.c */ | |
1795 | extern gfc_st_label format_asterisk; | |
1796 | ||
1797 | void gfc_free_open (gfc_open *); | |
1798 | try gfc_resolve_open (gfc_open *); | |
1799 | void gfc_free_close (gfc_close *); | |
1800 | try gfc_resolve_close (gfc_close *); | |
1801 | void gfc_free_filepos (gfc_filepos *); | |
1802 | try gfc_resolve_filepos (gfc_filepos *); | |
1803 | void gfc_free_inquire (gfc_inquire *); | |
1804 | try gfc_resolve_inquire (gfc_inquire *); | |
1805 | void gfc_free_dt (gfc_dt *); | |
1806 | try gfc_resolve_dt (gfc_dt *); | |
1807 | ||
1808 | /* module.c */ | |
1809 | void gfc_module_init_2 (void); | |
1810 | void gfc_module_done_2 (void); | |
1811 | void gfc_dump_module (const char *, int); | |
1812 | ||
1813 | /* primary.c */ | |
1814 | symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); | |
1815 | symbol_attribute gfc_expr_attr (gfc_expr *); | |
1816 | ||
1817 | /* trans.c */ | |
1818 | void gfc_generate_code (gfc_namespace *); | |
1819 | void gfc_generate_module_code (gfc_namespace *); | |
1820 | ||
1821 | /* bbt.c */ | |
1822 | typedef int (*compare_fn) (void *, void *); | |
1823 | void gfc_insert_bbt (void *, void *, compare_fn); | |
1824 | void gfc_delete_bbt (void *, void *, compare_fn); | |
1825 | ||
1826 | /* dump-parse-tree.c */ | |
1827 | void gfc_show_namespace (gfc_namespace *); | |
1828 | ||
1829 | /* parse.c */ | |
1830 | try gfc_parse_file (void); | |
1831 | ||
53814b8f | 1832 | #endif /* GCC_GFORTRAN_H */ |