1 /* gfortran header file
2 Copyright (C) 2000-2021 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
53 #include "splay-tree.h"
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
58 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
60 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
65 /* Macros to check for groups of structure-like types and flavors since
66 derived types, structures, maps, unions are often treated similarly. */
67 #define gfc_bt_struct(t) \
68 ((t) == BT_DERIVED || (t) == BT_UNION)
69 #define gfc_fl_struct(f) \
70 ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT)
71 #define case_bt_struct case BT_DERIVED: case BT_UNION
72 #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
85 /* A prefix for internal variables, which are not user-visible. */
86 #if !defined (NO_DOT_IN_LABEL)
87 # define GFC_PREFIX(x) "_F." x
88 #elif !defined (NO_DOLLAR_IN_LABEL)
89 # define GFC_PREFIX(x) "_F$" x
91 # define GFC_PREFIX(x) "_F_" x
94 #define BLANK_COMMON_NAME "__BLNK__"
96 /* Macro to initialize an mstring structure. */
97 #define minit(s, t) { s, NULL, t }
99 /* Structure for storing strings to be matched by gfc_match_string. */
110 /*************************** Enums *****************************/
112 /* Used when matching and resolving data I/O transfer statements. */
115 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
};
118 /* These are flags for identifying whether we are reading a character literal
119 between quotes or normal source code. */
122 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
};
124 /* This is returned by gfc_notification_std to know if, given the flags
125 that were given (-std=, -pedantic) we should issue an error, a warning
129 { SILENT
, WARNING
, ERROR
};
131 /* Matchers return one of these three values. The difference between
132 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
133 successful, but that something non-syntactic is wrong and an error
134 has already been issued. */
137 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
};
139 /* Used for different Fortran source forms in places like scanner.c. */
141 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
};
143 /* Expression node types. */
145 { EXPR_UNKNOWN
= 0, EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
146 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
151 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
152 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
157 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
};
159 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
160 related to shared DO terminations and DO targets which are neither END DO
161 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
163 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
164 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
167 /* Intrinsic operators. */
168 enum gfc_intrinsic_op
169 { GFC_INTRINSIC_BEGIN
= 0,
170 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
171 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
172 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
173 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
174 /* ==, /=, >, >=, <, <= */
175 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
176 INTRINSIC_LT
, INTRINSIC_LE
,
177 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
178 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
179 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
180 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
, INTRINSIC_PARENTHESES
,
181 GFC_INTRINSIC_END
, /* Sentinel */
182 /* User defined derived type pseudo operators. These are set beyond the
183 sentinel so that they are excluded from module_read and module_write. */
184 INTRINSIC_FORMATTED
, INTRINSIC_UNFORMATTED
187 /* This macro is the number of intrinsic operators that exist.
188 Assumptions are made about the numbering of the interface_op enums. */
189 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
191 /* Arithmetic results. */
193 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
194 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
,
201 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
202 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
203 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
204 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
205 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
206 ST_ENDDO
, ST_IMPLIED_ENDDO
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
207 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
208 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
209 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
210 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
211 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
212 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
213 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
214 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
215 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
216 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
217 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
218 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
219 ST_SELECT_RANK
, ST_RANK
, ST_STRUCTURE_DECL
, ST_END_STRUCTURE
,
220 ST_UNION
, ST_END_UNION
, ST_MAP
, ST_END_MAP
,
221 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
222 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
223 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
224 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
225 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
226 ST_OACC_SERIAL_LOOP
, ST_OACC_END_SERIAL_LOOP
, ST_OACC_SERIAL
,
227 ST_OACC_END_SERIAL
, ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
228 ST_OACC_ATOMIC
, ST_OACC_END_ATOMIC
,
229 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
230 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
231 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
232 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
233 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
234 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
235 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
236 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
237 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
238 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
239 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
240 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
241 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
242 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
243 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
244 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
245 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
246 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
247 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
248 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
249 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
250 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
251 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
252 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
253 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
254 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
255 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
256 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
257 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
258 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
259 ST_OMP_TARGET_PARALLEL
, ST_OMP_END_TARGET_PARALLEL
,
260 ST_OMP_TARGET_PARALLEL_DO
, ST_OMP_END_TARGET_PARALLEL_DO
,
261 ST_OMP_TARGET_PARALLEL_DO_SIMD
, ST_OMP_END_TARGET_PARALLEL_DO_SIMD
,
262 ST_OMP_TARGET_ENTER_DATA
, ST_OMP_TARGET_EXIT_DATA
,
263 ST_OMP_TARGET_SIMD
, ST_OMP_END_TARGET_SIMD
,
264 ST_OMP_TASKLOOP
, ST_OMP_END_TASKLOOP
, ST_OMP_SCAN
,
265 ST_OMP_TASKLOOP_SIMD
, ST_OMP_END_TASKLOOP_SIMD
, ST_OMP_ORDERED_DEPEND
,
266 ST_OMP_REQUIRES
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
267 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_EVENT_POST
,
268 ST_EVENT_WAIT
, ST_FAIL_IMAGE
, ST_FORM_TEAM
, ST_CHANGE_TEAM
,
269 ST_END_TEAM
, ST_SYNC_TEAM
, ST_NONE
272 /* Types of interfaces that we can have. Assignment interfaces are
273 considered to be intrinsic operators. */
276 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
277 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
,
281 /* Symbol flavors: these are all mutually exclusive.
282 12 elements = 4 bits. */
285 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
286 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
287 FL_UNION
, FL_STRUCT
, FL_VOID
290 /* Procedure types. 7 elements = 3 bits. */
292 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
293 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
296 /* Intent types. Note that these values are also used in another enum in
297 decl.c (match_attr_spec). */
299 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
304 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
307 /* Flags to keep track of where an interface came from.
308 3 elements = 2 bits. */
310 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
311 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
312 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
313 with explicit interface. */
316 /* Whether a SAVE attribute was set explicitly or implicitly. */
318 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
321 /* OpenACC 'routine' directive's level of parallelism. */
322 enum oacc_routine_lop
323 { OACC_ROUTINE_LOP_NONE
= 0,
324 OACC_ROUTINE_LOP_GANG
,
325 OACC_ROUTINE_LOP_WORKER
,
326 OACC_ROUTINE_LOP_VECTOR
,
327 OACC_ROUTINE_LOP_SEQ
,
328 OACC_ROUTINE_LOP_ERROR
331 /* Strings for all symbol attributes. We use these for dumping the
332 parse tree, in error messages, and also when reading and writing
333 modules. In symbol.c. */
334 extern const mstring flavors
[];
335 extern const mstring procedures
[];
336 extern const mstring intents
[];
337 extern const mstring access_types
[];
338 extern const mstring ifsrc_types
[];
339 extern const mstring save_status
[];
341 /* Strings for DTIO procedure names. In symbol.c. */
342 extern const mstring dtio_procs
[];
345 { DTIO_RF
= 0, DTIO_WF
, DTIO_RUF
, DTIO_WUF
};
347 /* Enumeration of all the generic intrinsic functions. Used by the
348 backend for identification of a function. */
352 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
353 the backend (e.g. KIND). */
385 GFC_ISYM_ATOMIC_FETCH_ADD
,
386 GFC_ISYM_ATOMIC_FETCH_AND
,
387 GFC_ISYM_ATOMIC_FETCH_OR
,
388 GFC_ISYM_ATOMIC_FETCH_XOR
,
405 GFC_ISYM_CO_BROADCAST
,
410 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
411 GFC_ISYM_COMPILER_OPTIONS
,
412 GFC_ISYM_COMPILER_VERSION
,
425 GFC_ISYM_C_ASSOCIATED
,
426 GFC_ISYM_C_F_POINTER
,
427 GFC_ISYM_C_F_PROCPOINTER
,
431 GFC_ISYM_DATE_AND_TIME
,
436 GFC_ISYM_DOT_PRODUCT
,
445 GFC_ISYM_ERFC_SCALED
,
447 GFC_ISYM_EVENT_QUERY
,
448 GFC_ISYM_EXECUTE_COMMAND_LINE
,
452 GFC_ISYM_EXTENDS_TYPE_OF
,
453 GFC_ISYM_FAILED_IMAGES
,
455 GFC_ISYM_FE_RUNTIME_ERROR
,
473 GFC_ISYM_GET_COMMAND
,
474 GFC_ISYM_GET_COMMAND_ARGUMENT
,
477 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
499 GFC_ISYM_IMAGE_INDEX
,
500 GFC_ISYM_IMAGE_STATUS
,
509 GFC_ISYM_IS_CONTIGUOUS
,
510 GFC_ISYM_IS_IOSTAT_END
,
511 GFC_ISYM_IS_IOSTAT_EOR
,
546 GFC_ISYM_MAXEXPONENT
,
554 GFC_ISYM_MINEXPONENT
,
579 GFC_ISYM_RANDOM_INIT
,
580 GFC_ISYM_RANDOM_NUMBER
,
581 GFC_ISYM_RANDOM_SEED
,
591 GFC_ISYM_SAME_TYPE_AS
,
597 GFC_ISYM_SET_EXPONENT
,
619 GFC_ISYM_STOPPED_IMAGES
,
620 GFC_ISYM_STORAGE_SIZE
,
626 GFC_ISYM_SYSTEM_CLOCK
,
630 GFC_ISYM_TEAM_NUMBER
,
653 enum init_local_logical
655 GFC_INIT_LOGICAL_OFF
= 0,
656 GFC_INIT_LOGICAL_FALSE
,
657 GFC_INIT_LOGICAL_TRUE
660 enum init_local_character
662 GFC_INIT_CHARACTER_OFF
= 0,
663 GFC_INIT_CHARACTER_ON
666 enum init_local_integer
668 GFC_INIT_INTEGER_OFF
= 0,
680 enum gfc_param_spec_type
687 /************************* Structures *****************************/
689 /* Used for keeping things in balanced binary trees. */
690 #define BBT_HEADER(self) int priority; struct self *left, *right
692 #define NAMED_INTCST(a,b,c,d) a,
693 #define NAMED_KINDARRAY(a,b,c,d) a,
694 #define NAMED_FUNCTION(a,b,c,d) a,
695 #define NAMED_SUBROUTINE(a,b,c,d) a,
696 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
697 enum iso_fortran_env_symbol
699 ISOFORTRANENV_INVALID
= -1,
700 #include "iso-fortran-env.def"
701 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
704 #undef NAMED_KINDARRAY
705 #undef NAMED_FUNCTION
706 #undef NAMED_SUBROUTINE
707 #undef NAMED_DERIVED_TYPE
709 #define NAMED_INTCST(a,b,c,d) a,
710 #define NAMED_REALCST(a,b,c,d) a,
711 #define NAMED_CMPXCST(a,b,c,d) a,
712 #define NAMED_LOGCST(a,b,c) a,
713 #define NAMED_CHARKNDCST(a,b,c) a,
714 #define NAMED_CHARCST(a,b,c) a,
715 #define DERIVED_TYPE(a,b,c) a,
716 #define NAMED_FUNCTION(a,b,c,d) a,
717 #define NAMED_SUBROUTINE(a,b,c,d) a,
718 enum iso_c_binding_symbol
720 ISOCBINDING_INVALID
= -1,
721 #include "iso-c-binding.def"
723 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
729 #undef NAMED_CHARKNDCST
732 #undef NAMED_FUNCTION
733 #undef NAMED_SUBROUTINE
737 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
738 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
743 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
744 int value
; /* Used for both integer and character values. */
749 /* Array of structs, where the structs represent the C interop kinds.
750 The list will be implemented based on a hash of the kind name since
751 these could be accessed multiple times.
752 Declared in trans-types.c as a global, since it's in that file
753 that the list is initialized. */
754 extern CInteropKind_t c_interop_kinds_table
[];
756 enum gfc_omp_device_type
758 OMP_DEVICE_TYPE_UNSET
,
759 OMP_DEVICE_TYPE_HOST
,
760 OMP_DEVICE_TYPE_NOHOST
,
764 /* Structure and list of supported extension attributes. */
767 EXT_ATTR_DLLIMPORT
= 0,
772 EXT_ATTR_NO_ARG_CHECK
,
774 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
782 const char *middle_end_name
;
786 extern const ext_attr_t ext_attr_list
[];
788 /* Symbol attribute structure. */
791 /* Variable attributes. */
792 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
793 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
794 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
795 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
796 contiguous
:1, fe_temp
: 1, automatic
: 1;
798 /* For CLASS containers, the pointer attribute is sometimes set internally
799 even though it was not directly specified. In this case, keep the
800 "real" (original) value here. */
801 unsigned class_pointer
:1;
803 ENUM_BITFIELD (save_state
) save
:2;
805 unsigned data
:1, /* Symbol is named in a DATA statement. */
806 is_protected
:1, /* Symbol has been marked as protected. */
807 use_assoc
:1, /* Symbol has been use-associated. */
808 used_in_submodule
:1, /* Symbol has been use-associated in a
809 submodule. Needed since these entities must
810 be set host associated to be compliant. */
811 use_only
:1, /* Symbol has been use-associated, with ONLY. */
812 use_rename
:1, /* Symbol has been use-associated and renamed. */
813 imported
:1, /* Symbol has been associated by IMPORT. */
814 host_assoc
:1; /* Symbol has been host associated. */
816 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
817 unsigned function
:1, subroutine
:1, procedure
:1;
818 unsigned generic
:1, generic_copy
:1;
819 unsigned implicit_type
:1; /* Type defined via implicit rules. */
820 unsigned untyped
:1; /* No implicit type could be found. */
822 unsigned is_bind_c
:1; /* say if is bound to C. */
823 unsigned extension
:8; /* extension level of a derived type. */
824 unsigned is_class
:1; /* is a CLASS container. */
825 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
826 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
827 unsigned vtype
:1; /* is a derived type of a vtab. */
829 /* These flags are both in the typespec and attribute. The attribute
830 list is what gets read from/written to a module file. The typespec
831 is created from a decl being processed. */
832 unsigned is_c_interop
:1; /* It's c interoperable. */
833 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
835 /* Function/subroutine attributes */
836 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
837 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
839 /* Set if this is a module function or subroutine. Note that it is an
840 attribute because it appears as a prefix in the declaration like
842 unsigned module_procedure
:1;
844 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
845 which is relevant for private module procedures. */
846 unsigned public_used
:1;
848 /* This is set if a contained procedure could be declared pure. This is
849 used for certain optimizations that require the result or arguments
850 cannot alias. Note that this is zero for PURE procedures. */
851 unsigned implicit_pure
:1;
853 /* This is set for a procedure that contains expressions referencing
854 arrays coming from outside its namespace.
855 This is used to force the creation of a temporary when the LHS of
856 an array assignment may be used by an elemental procedure appearing
858 unsigned array_outer_dependency
:1;
860 /* This is set if the subroutine doesn't return. Currently, this
861 is only possible for intrinsic subroutines. */
864 /* Set if this procedure is an alternate entry point. These procedures
865 don't have any code associated, and the backend will turn them into
866 thunks to the master function. */
869 /* Set if this is the master function for a procedure with multiple
871 unsigned entry_master
:1;
873 /* Set if this is the master function for a function with multiple
874 entry points where characteristics of the entry points differ. */
875 unsigned mixed_entry_master
:1;
877 /* Set if a function must always be referenced by an explicit interface. */
878 unsigned always_explicit
:1;
880 /* Set if the symbol is generated and, hence, standard violations
881 shouldn't be flaged. */
882 unsigned artificial
:1;
884 /* Set if the symbol has been referenced in an expression. No further
885 modification of type or type parameters is permitted. */
886 unsigned referenced
:1;
888 /* Set if this is the symbol for the main program. */
889 unsigned is_main_program
:1;
891 /* Mutually exclusive multibit attributes. */
892 ENUM_BITFIELD (gfc_access
) access
:2;
893 ENUM_BITFIELD (sym_intent
) intent
:2;
894 ENUM_BITFIELD (sym_flavor
) flavor
:4;
895 ENUM_BITFIELD (ifsrc
) if_source
:2;
897 ENUM_BITFIELD (procedure_type
) proc
:3;
899 /* Special attributes for Cray pointers, pointees. */
900 unsigned cray_pointer
:1, cray_pointee
:1;
902 /* The symbol is a derived type with allocatable components, pointer
903 components or private components, procedure pointer components,
904 possibly nested. zero_comp is true if the derived type has no
905 component at all. defined_assign_comp is true if the derived
906 type or a (sub-)component has a typebound defined assignment.
907 unlimited_polymorphic flags the type of the container for these
909 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
910 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
911 event_comp
:1, defined_assign_comp
:1, unlimited_polymorphic
:1,
912 has_dtio_procs
:1, caf_token
:1;
914 /* This is a temporary selector for SELECT TYPE/RANK or an associate
915 variable for SELECT TYPE/RANK or ASSOCIATE. */
916 unsigned select_type_temporary
:1, select_rank_temporary
:1, associate_var
:1;
918 /* These are the attributes required for parameterized derived
920 unsigned pdt_kind
:1, pdt_len
:1, pdt_type
:1, pdt_template
:1,
921 pdt_array
:1, pdt_string
:1;
923 /* This is omp_{out,in,priv,orig} artificial variable in
924 !$OMP DECLARE REDUCTION. */
925 unsigned omp_udr_artificial_var
:1;
927 /* Mentioned in OMP DECLARE TARGET. */
928 unsigned omp_declare_target
:1;
929 unsigned omp_declare_target_link
:1;
930 ENUM_BITFIELD (gfc_omp_device_type
) omp_device_type
:2;
932 /* Mentioned in OACC DECLARE. */
933 unsigned oacc_declare_create
:1;
934 unsigned oacc_declare_copyin
:1;
935 unsigned oacc_declare_deviceptr
:1;
936 unsigned oacc_declare_device_resident
:1;
937 unsigned oacc_declare_link
:1;
939 /* OpenACC 'routine' directive's level of parallelism. */
940 ENUM_BITFIELD (oacc_routine_lop
) oacc_routine_lop
:3;
942 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
943 unsigned ext_attr
:EXT_ATTR_NUM
;
945 /* The namespace where the attribute has been set. */
946 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
951 /* We need to store source lines as sequences of multibyte source
952 characters. We define here a type wide enough to hold any multibyte
953 source character, just like libcpp does. A 32-bit type is enough. */
955 #if HOST_BITS_PER_INT >= 32
956 typedef unsigned int gfc_char_t
;
957 #elif HOST_BITS_PER_LONG >= 32
958 typedef unsigned long gfc_char_t
;
959 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
960 typedef unsigned long long gfc_char_t
;
962 # error "Cannot find an integer type with at least 32 bits"
966 /* The following three structures are used to identify a location in
969 gfc_file is used to maintain a tree of the source files and how
970 they include each other
972 gfc_linebuf holds a single line of source code and information
973 which file it resides in
975 locus point to the sourceline and the character in the source
979 typedef struct gfc_file
981 struct gfc_file
*next
, *up
;
982 int inclusion_line
, line
;
986 typedef struct gfc_linebuf
989 struct gfc_file
*file
;
990 struct gfc_linebuf
*next
;
998 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
1000 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
1008 /* In order for the "gfc" format checking to work correctly, you must
1009 have declared a typedef locus first. */
1010 #if GCC_VERSION >= 4001
1011 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
1013 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
1017 /* Suppress error messages or re-enable them. */
1019 void gfc_push_suppress_errors (void);
1020 void gfc_pop_suppress_errors (void);
1023 /* Character length structures hold the expression that gives the
1024 length of a character variable. We avoid putting these into
1025 gfc_typespec because doing so prevents us from doing structure
1026 copies and forces us to deallocate any typespecs we create, as well
1027 as structures that contain typespecs. They also can have multiple
1028 character typespecs pointing to them.
1030 These structures form a singly linked list within the current
1031 namespace and are deallocated with the namespace. It is possible to
1032 end up with gfc_charlen structures that have nothing pointing to them. */
1034 typedef struct gfc_charlen
1036 struct gfc_expr
*length
;
1037 struct gfc_charlen
*next
;
1038 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
1040 tree passed_length
; /* Length argument explicitly passed. */
1046 #define gfc_get_charlen() XCNEW (gfc_charlen)
1048 /* Type specification structure. */
1056 struct gfc_symbol
*derived
; /* For derived types only. */
1057 gfc_charlen
*cl
; /* For character types only. */
1058 int pad
; /* For hollerith types only. */
1062 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1067 gfc_symbol
*interop_kind
;
1071 /* Array specification. */
1074 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1076 array_type type
, cotype
;
1077 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1079 /* These two fields are used with the Cray Pointer extension. */
1080 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1081 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1082 AS_EXPLICIT, but we want to remember that we
1089 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1092 /* Components of derived types. */
1093 typedef struct gfc_component
1098 symbol_attribute attr
;
1102 /* Used to cache a FIELD_DECL matching this same component
1103 but applied to a different backend containing type that was
1104 generated by gfc_nonrestricted_type. */
1105 tree norestrict_decl
;
1107 struct gfc_expr
*initializer
;
1108 /* Used in parameterized derived type declarations to store parameterized
1109 kind expressions. */
1110 struct gfc_expr
*kind_expr
;
1111 struct gfc_actual_arglist
*param_list
;
1113 struct gfc_component
*next
;
1115 /* Needed for procedure pointer components. */
1116 struct gfc_typebound_proc
*tb
;
1117 /* When allocatable/pointer and in a coarray the associated token. */
1122 #define gfc_get_component() XCNEW (gfc_component)
1124 /* Formal argument lists are lists of symbols. */
1125 typedef struct gfc_formal_arglist
1127 /* Symbol representing the argument at this position in the arglist. */
1128 struct gfc_symbol
*sym
;
1129 /* Points to the next formal argument. */
1130 struct gfc_formal_arglist
*next
;
1134 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1137 /* The gfc_actual_arglist structure is for actual arguments and
1138 for type parameter specification lists. */
1139 typedef struct gfc_actual_arglist
1142 /* Alternate return label when the expr member is null. */
1143 struct gfc_st_label
*label
;
1145 /* This is set to the type of an eventual omitted optional
1146 argument. This is used to determine if a hidden string length
1147 argument has to be added to a function call. */
1148 bt missing_arg_type
;
1150 gfc_param_spec_type spec_type
;
1152 struct gfc_expr
*expr
;
1153 struct gfc_actual_arglist
*next
;
1157 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1160 /* Because a symbol can belong to multiple namelists, they must be
1161 linked externally to the symbol itself. */
1162 typedef struct gfc_namelist
1164 struct gfc_symbol
*sym
;
1165 struct gfc_namelist
*next
;
1169 #define gfc_get_namelist() XCNEW (gfc_namelist)
1171 /* Likewise to gfc_namelist, but contains expressions. */
1172 typedef struct gfc_expr_list
1174 struct gfc_expr
*expr
;
1175 struct gfc_expr_list
*next
;
1179 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1181 enum gfc_omp_reduction_op
1183 OMP_REDUCTION_NONE
= -1,
1184 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1185 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1186 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1187 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1188 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1189 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1190 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1191 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1199 enum gfc_omp_depend_op
1204 OMP_DEPEND_SINK_FIRST
,
1218 OMP_MAP_FORCE_ALLOC
,
1221 OMP_MAP_FORCE_TOFROM
,
1222 OMP_MAP_FORCE_PRESENT
,
1223 OMP_MAP_FORCE_DEVICEPTR
,
1224 OMP_MAP_DEVICE_RESIDENT
,
1228 OMP_MAP_ALWAYS_FROM
,
1229 OMP_MAP_ALWAYS_TOFROM
1232 enum gfc_omp_linear_op
1240 /* For use in OpenMP clauses in case we need extra information
1241 (aligned clause alignment, linear clause step, etc.). */
1243 typedef struct gfc_omp_namelist
1245 struct gfc_symbol
*sym
;
1246 struct gfc_expr
*expr
;
1249 gfc_omp_reduction_op reduction_op
;
1250 gfc_omp_depend_op depend_op
;
1251 gfc_omp_map_op map_op
;
1252 gfc_omp_linear_op linear_op
;
1253 struct gfc_common_head
*common
;
1254 bool lastprivate_conditional
;
1256 struct gfc_omp_namelist_udr
*udr
;
1257 struct gfc_omp_namelist
*next
;
1262 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1267 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1268 OMP_LIST_FIRSTPRIVATE
,
1269 OMP_LIST_LASTPRIVATE
,
1270 OMP_LIST_COPYPRIVATE
,
1283 OMP_LIST_REDUCTION_INSCAN
,
1284 OMP_LIST_REDUCTION_TASK
,
1285 OMP_LIST_IN_REDUCTION
,
1286 OMP_LIST_TASK_REDUCTION
,
1287 OMP_LIST_DEVICE_RESIDENT
,
1289 OMP_LIST_USE_DEVICE
,
1291 OMP_LIST_IS_DEVICE_PTR
,
1292 OMP_LIST_USE_DEVICE_PTR
,
1293 OMP_LIST_USE_DEVICE_ADDR
,
1294 OMP_LIST_NONTEMPORAL
,
1298 /* Because a symbol can belong to multiple namelists, they must be
1299 linked externally to the symbol itself. */
1301 enum gfc_omp_sched_kind
1311 enum gfc_omp_default_sharing
1313 OMP_DEFAULT_UNKNOWN
,
1315 OMP_DEFAULT_PRIVATE
,
1317 OMP_DEFAULT_FIRSTPRIVATE
,
1321 enum gfc_omp_proc_bind_kind
1323 OMP_PROC_BIND_UNKNOWN
,
1324 OMP_PROC_BIND_MASTER
,
1325 OMP_PROC_BIND_SPREAD
,
1329 enum gfc_omp_cancel_kind
1332 OMP_CANCEL_PARALLEL
,
1333 OMP_CANCEL_SECTIONS
,
1335 OMP_CANCEL_TASKGROUP
1338 enum gfc_omp_if_kind
1347 OMP_IF_TARGET_UPDATE
,
1348 OMP_IF_TARGET_ENTER_DATA
,
1349 OMP_IF_TARGET_EXIT_DATA
,
1353 enum gfc_omp_atomic_op
1355 GFC_OMP_ATOMIC_UNSET
= 0,
1356 GFC_OMP_ATOMIC_UPDATE
= 1,
1357 GFC_OMP_ATOMIC_READ
= 2,
1358 GFC_OMP_ATOMIC_WRITE
= 3,
1359 GFC_OMP_ATOMIC_MASK
= 3,
1360 GFC_OMP_ATOMIC_SWAP
= 16
1363 enum gfc_omp_requires_kind
1365 /* Keep in sync with gfc_namespace, esp. with omp_req_mem_order. */
1366 OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST
= 1, /* 01 */
1367 OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL
= 2, /* 10 */
1368 OMP_REQ_ATOMIC_MEM_ORDER_RELAXED
= 3, /* 11 */
1369 OMP_REQ_REVERSE_OFFLOAD
= (1 << 2),
1370 OMP_REQ_UNIFIED_ADDRESS
= (1 << 3),
1371 OMP_REQ_UNIFIED_SHARED_MEMORY
= (1 << 4),
1372 OMP_REQ_DYNAMIC_ALLOCATORS
= (1 << 5),
1373 OMP_REQ_TARGET_MASK
= (OMP_REQ_REVERSE_OFFLOAD
1374 | OMP_REQ_UNIFIED_ADDRESS
1375 | OMP_REQ_UNIFIED_SHARED_MEMORY
),
1376 OMP_REQ_ATOMIC_MEM_ORDER_MASK
= (OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST
1377 | OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL
1378 | OMP_REQ_ATOMIC_MEM_ORDER_RELAXED
)
1381 enum gfc_omp_memorder
1384 OMP_MEMORDER_SEQ_CST
,
1385 OMP_MEMORDER_ACQ_REL
,
1386 OMP_MEMORDER_RELEASE
,
1387 OMP_MEMORDER_ACQUIRE
,
1388 OMP_MEMORDER_RELAXED
1391 typedef struct gfc_omp_clauses
1393 struct gfc_expr
*if_expr
;
1394 struct gfc_expr
*final_expr
;
1395 struct gfc_expr
*num_threads
;
1396 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1397 enum gfc_omp_sched_kind sched_kind
;
1398 enum gfc_omp_device_type device_type
;
1399 struct gfc_expr
*chunk_size
;
1400 enum gfc_omp_default_sharing default_sharing
;
1401 int collapse
, orderedc
;
1402 bool nowait
, ordered
, untied
, mergeable
;
1403 bool inbranch
, notinbranch
, defaultmap
, nogroup
;
1404 bool sched_simd
, sched_monotonic
, sched_nonmonotonic
;
1405 bool simd
, threads
, depend_source
, order_concurrent
, capture
;
1406 enum gfc_omp_atomic_op atomic_op
;
1407 enum gfc_omp_memorder memorder
;
1408 enum gfc_omp_cancel_kind cancel
;
1409 enum gfc_omp_proc_bind_kind proc_bind
;
1410 struct gfc_expr
*safelen_expr
;
1411 struct gfc_expr
*simdlen_expr
;
1412 struct gfc_expr
*num_teams
;
1413 struct gfc_expr
*device
;
1414 struct gfc_expr
*thread_limit
;
1415 struct gfc_expr
*grainsize
;
1416 struct gfc_expr
*hint
;
1417 struct gfc_expr
*num_tasks
;
1418 struct gfc_expr
*priority
;
1419 struct gfc_expr
*if_exprs
[OMP_IF_LAST
];
1420 enum gfc_omp_sched_kind dist_sched_kind
;
1421 struct gfc_expr
*dist_chunk_size
;
1422 const char *critical_name
;
1425 struct gfc_expr
*async_expr
;
1426 struct gfc_expr
*gang_static_expr
;
1427 struct gfc_expr
*gang_num_expr
;
1428 struct gfc_expr
*worker_expr
;
1429 struct gfc_expr
*vector_expr
;
1430 struct gfc_expr
*num_gangs_expr
;
1431 struct gfc_expr
*num_workers_expr
;
1432 struct gfc_expr
*vector_length_expr
;
1433 gfc_expr_list
*wait_list
;
1434 gfc_expr_list
*tile_list
;
1435 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1436 unsigned par_auto
:1, gang_static
:1;
1437 unsigned if_present
:1, finalize
:1;
1443 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1446 /* Node in the linked list used for storing !$oacc declare constructs. */
1448 typedef struct gfc_oacc_declare
1450 struct gfc_oacc_declare
*next
;
1452 gfc_omp_clauses
*clauses
;
1457 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1460 /* Node in the linked list used for storing !$omp declare simd constructs. */
1462 typedef struct gfc_omp_declare_simd
1464 struct gfc_omp_declare_simd
*next
;
1465 locus where
; /* Where the !$omp declare simd construct occurred. */
1467 gfc_symbol
*proc_name
;
1469 gfc_omp_clauses
*clauses
;
1471 gfc_omp_declare_simd
;
1472 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1474 typedef struct gfc_omp_udr
1476 struct gfc_omp_udr
*next
;
1477 locus where
; /* Where the !$omp declare reduction construct occurred. */
1481 gfc_omp_reduction_op rop
;
1483 struct gfc_symbol
*omp_out
;
1484 struct gfc_symbol
*omp_in
;
1485 struct gfc_namespace
*combiner_ns
;
1487 struct gfc_symbol
*omp_priv
;
1488 struct gfc_symbol
*omp_orig
;
1489 struct gfc_namespace
*initializer_ns
;
1492 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1494 typedef struct gfc_omp_namelist_udr
1496 struct gfc_omp_udr
*udr
;
1497 struct gfc_code
*combiner
;
1498 struct gfc_code
*initializer
;
1500 gfc_omp_namelist_udr
;
1501 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1503 /* The gfc_st_label structure is a BBT attached to a namespace that
1504 records the usage of statement labels within that space. */
1506 typedef struct gfc_st_label
1508 BBT_HEADER(gfc_st_label
);
1512 gfc_sl_type defined
, referenced
;
1514 struct gfc_expr
*format
;
1525 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1526 typedef struct gfc_interface
1528 struct gfc_symbol
*sym
;
1530 struct gfc_interface
*next
;
1534 #define gfc_get_interface() XCNEW (gfc_interface)
1536 /* User operator nodes. These are like stripped down symbols. */
1542 struct gfc_namespace
*ns
;
1548 /* A list of specific bindings that are associated with a generic spec. */
1549 typedef struct gfc_tbp_generic
1551 /* The parser sets specific_st, upon resolution we look for the corresponding
1552 gfc_typebound_proc and set specific for further use. */
1553 struct gfc_symtree
* specific_st
;
1554 struct gfc_typebound_proc
* specific
;
1556 struct gfc_tbp_generic
* next
;
1561 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1564 /* Data needed for type-bound procedures. */
1565 typedef struct gfc_typebound_proc
1567 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1571 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1572 gfc_tbp_generic
* generic
;
1577 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1579 /* The overridden type-bound proc (or GENERIC with this name in the
1580 parent-type) or NULL if non. */
1581 struct gfc_typebound_proc
* overridden
;
1583 /* Once resolved, we use the position of pass_arg in the formal arglist of
1584 the binding-target procedure to identify it. The first argument has
1585 number 1 here, the second 2, and so on. */
1586 unsigned pass_arg_num
;
1588 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1589 unsigned non_overridable
:1;
1590 unsigned deferred
:1;
1591 unsigned is_generic
:1;
1592 unsigned function
:1, subroutine
:1;
1593 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1599 /* Symbol nodes. These are important things. They are what the
1600 standard refers to as "entities". The possibly multiple names that
1601 refer to the same entity are accomplished by a binary tree of
1602 symtree structures that is balanced by the red-black method-- more
1603 than one symtree node can point to any given symbol. */
1605 typedef struct gfc_symbol
1607 const char *name
; /* Primary name, before renaming */
1608 const char *module
; /* Module this symbol came from */
1612 symbol_attribute attr
;
1614 /* The formal member points to the formal argument list if the
1615 symbol is a function or subroutine name. If the symbol is a
1616 generic name, the generic member points to the list of
1619 gfc_interface
*generic
;
1620 gfc_access component_access
;
1622 gfc_formal_arglist
*formal
;
1623 struct gfc_namespace
*formal_ns
;
1624 struct gfc_namespace
*f2k_derived
;
1626 /* List of PDT parameter expressions */
1627 struct gfc_actual_arglist
*param_list
;
1629 struct gfc_expr
*value
; /* Parameter/Initializer value */
1631 struct gfc_symbol
*result
; /* function result symbol */
1632 gfc_component
*components
; /* Derived type components */
1634 /* Defined only for Cray pointees; points to their pointer. */
1635 struct gfc_symbol
*cp_pointer
;
1637 int entry_id
; /* Used in resolve.c for entries. */
1639 /* CLASS hashed name for declared and dynamic types in the class. */
1642 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1644 /* This is only used for pointer comparisons to check if symbols
1645 are in the same common block.
1646 In opposition to common_block, the common_head pointer takes into account
1647 equivalences: if A is in a common block C and A and B are in equivalence,
1648 then both A and B have common_head pointing to C, while A's common_block
1649 points to C and B's is NULL. */
1650 struct gfc_common_head
* common_head
;
1652 /* Make sure setup code for dummy arguments is generated in the correct
1656 gfc_namelist
*namelist
, *namelist_tail
;
1658 /* Change management fields. Symbols that might be modified by the
1659 current statement have the mark member nonzero. Of these symbols,
1660 symbols with old_symbol equal to NULL are symbols created within
1661 the current statement. Otherwise, old_symbol points to a copy of
1662 the old symbol. gfc_new is used in symbol.c to flag new symbols.
1663 comp_mark is used to indicate variables which have component accesses
1664 in OpenMP/OpenACC directive clauses. */
1665 struct gfc_symbol
*old_symbol
;
1666 unsigned mark
:1, comp_mark
:1, gfc_new
:1;
1668 /* The tlink field is used in the front end to carry the module
1669 declaration of separate module procedures so that the characteristics
1670 can be compared with the corresponding declaration in a submodule. In
1671 translation this field carries a linked list of symbols that require
1672 deferred initialization. */
1673 struct gfc_symbol
*tlink
;
1675 /* Nonzero if all equivalences associated with this symbol have been
1677 unsigned equiv_built
:1;
1678 /* Set if this variable is used as an index name in a FORALL. */
1679 unsigned forall_index
:1;
1680 /* Set if the symbol is used in a function result specification . */
1681 unsigned fn_result_spec
:1;
1682 /* Used to avoid multiple resolutions of a single symbol. */
1683 /* = 2 if this has already been resolved as an intrinsic,
1684 in gfc_resolve_intrinsic,
1685 = 1 if it has been resolved in resolve_symbol. */
1686 unsigned resolve_symbol_called
:2;
1687 /* Set if this is a module function or subroutine with the
1688 abreviated declaration in a submodule. */
1689 unsigned abr_modproc_decl
:1;
1690 /* Set if a previous error or warning has occurred and no other
1691 should be reported. */
1693 /* Set if the dummy argument of a procedure could be an array despite
1694 being called with a scalar actual argument. */
1695 unsigned maybe_array
:1;
1696 /* Set if this should be passed by value, but is not a VALUE argument
1697 according to the Fortran standard. */
1698 unsigned pass_as_value
:1;
1701 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1705 /* Identity of the intrinsic module the symbol comes from, or
1706 INTMOD_NONE if it's not imported from a intrinsic module. */
1707 intmod_id from_intmod
;
1708 /* Identity of the symbol from intrinsic modules, from enums maintained
1709 separately by each intrinsic module. Used together with from_intmod,
1710 it uniquely identifies a symbol from an intrinsic module. */
1713 /* This may be repetitive, since the typespec now has a binding
1715 const char* binding_label
;
1716 /* Store a reference to the common_block, if this symbol is in one. */
1717 struct gfc_common_head
*common_block
;
1719 /* Link to corresponding association-list if this is an associate name. */
1720 struct gfc_association_list
*assoc
;
1722 /* Link to next entry in derived type list */
1723 struct gfc_symbol
*dt_next
;
1728 struct gfc_undo_change_set
1730 vec
<gfc_symbol
*> syms
;
1731 vec
<gfc_typebound_proc
*> tbps
;
1732 gfc_undo_change_set
*previous
;
1736 /* This structure is used to keep track of symbols in common blocks. */
1737 typedef struct gfc_common_head
1740 char use_assoc
, saved
, threadprivate
;
1741 unsigned char omp_declare_target
: 1;
1742 unsigned char omp_declare_target_link
: 1;
1743 ENUM_BITFIELD (gfc_omp_device_type
) omp_device_type
:2;
1744 /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */
1745 char name
[2*GFC_MAX_SYMBOL_LEN
+ 1 + 14 + 1];
1746 struct gfc_symbol
*head
;
1747 const char* binding_label
;
1753 #define gfc_get_common_head() XCNEW (gfc_common_head)
1756 /* A list of all the alternate entry points for a procedure. */
1758 typedef struct gfc_entry_list
1760 /* The symbol for this entry point. */
1762 /* The zero-based id of this entry point. */
1764 /* The LABEL_EXPR marking this entry point. */
1766 /* The next item in the list. */
1767 struct gfc_entry_list
*next
;
1771 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1773 /* Lists of rename info for the USE statement. */
1775 typedef struct gfc_use_rename
1777 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1778 struct gfc_use_rename
*next
;
1780 gfc_intrinsic_op op
;
1785 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1787 /* A list of all USE statements in a namespace. */
1789 typedef struct gfc_use_list
1791 const char *module_name
;
1792 const char *submodule_name
;
1796 struct gfc_use_rename
*rename
;
1798 /* Next USE statement. */
1799 struct gfc_use_list
*next
;
1803 #define gfc_get_use_list() XCNEW (gfc_use_list)
1805 /* Within a namespace, symbols are pointed to by symtree nodes that
1806 are linked together in a balanced binary tree. There can be
1807 several symtrees pointing to the same symbol node via USE
1810 typedef struct gfc_symtree
1812 BBT_HEADER (gfc_symtree
);
1817 gfc_symbol
*sym
; /* Symbol associated with this node */
1819 gfc_common_head
*common
;
1820 gfc_typebound_proc
*tb
;
1821 gfc_omp_udr
*omp_udr
;
1827 /* A list of all derived types. */
1828 extern gfc_symbol
*gfc_derived_types
;
1830 typedef struct gfc_oacc_routine_name
1832 struct gfc_symbol
*sym
;
1833 struct gfc_omp_clauses
*clauses
;
1834 struct gfc_oacc_routine_name
*next
;
1837 gfc_oacc_routine_name
;
1839 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1841 /* Node in linked list to see what has already been finalized
1844 typedef struct gfc_was_finalized
{
1847 struct gfc_was_finalized
*next
;
1851 /* A namespace describes the contents of procedure, module, interface block
1852 or BLOCK construct. */
1853 /* ??? Anything else use these? */
1855 typedef struct gfc_namespace
1857 /* Tree containing all the symbols in this namespace. */
1858 gfc_symtree
*sym_root
;
1859 /* Tree containing all the user-defined operators in the namespace. */
1860 gfc_symtree
*uop_root
;
1861 /* Tree containing all the common blocks. */
1862 gfc_symtree
*common_root
;
1863 /* Tree containing all the OpenMP user defined reductions. */
1864 gfc_symtree
*omp_udr_root
;
1866 /* Tree containing type-bound procedures. */
1867 gfc_symtree
*tb_sym_root
;
1868 /* Type-bound user operators. */
1869 gfc_symtree
*tb_uop_root
;
1870 /* For derived-types, store type-bound intrinsic operators here. */
1871 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1872 /* Linked list of finalizer procedures. */
1873 struct gfc_finalizer
*finalizers
;
1875 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1876 int set_flag
[GFC_LETTERS
];
1877 /* Keeps track of the implicit types associated with the letters. */
1878 gfc_typespec default_type
[GFC_LETTERS
];
1879 /* Store the positions of IMPLICIT statements. */
1880 locus implicit_loc
[GFC_LETTERS
];
1882 /* If this is a namespace of a procedure, this points to the procedure. */
1883 struct gfc_symbol
*proc_name
;
1884 /* If this is the namespace of a unit which contains executable
1885 code, this points to it. */
1886 struct gfc_code
*code
;
1888 /* Points to the equivalences set up in this namespace. */
1889 struct gfc_equiv
*equiv
, *old_equiv
;
1891 /* Points to the equivalence groups produced by trans_common. */
1892 struct gfc_equiv_list
*equiv_lists
;
1894 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1896 /* Points to the parent namespace, i.e. the namespace of a module or
1897 procedure in which the procedure belonging to this namespace is
1898 contained. The parent namespace points to this namespace either
1899 directly via CONTAINED, or indirectly via the chain built by
1901 struct gfc_namespace
*parent
;
1902 /* CONTAINED points to the first contained namespace. Sibling
1903 namespaces are chained via SIBLING. */
1904 struct gfc_namespace
*contained
, *sibling
;
1906 gfc_common_head blank_common
;
1907 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1909 gfc_st_label
*st_labels
;
1910 /* This list holds information about all the data initializers in
1912 struct gfc_data
*data
, *old_data
;
1914 /* !$ACC DECLARE. */
1915 gfc_oacc_declare
*oacc_declare
;
1917 /* !$ACC ROUTINE clauses. */
1918 gfc_omp_clauses
*oacc_routine_clauses
;
1920 /* !$ACC ROUTINE names. */
1921 gfc_oacc_routine_name
*oacc_routine_names
;
1923 gfc_charlen
*cl_list
;
1925 gfc_symbol
*derived_types
;
1927 int save_all
, seen_save
, seen_implicit_none
;
1929 /* Normally we don't need to refcount namespaces. However when we read
1930 a module containing a function with multiple entry points, this
1931 will appear as several functions with the same formal namespace. */
1934 /* A list of all alternate entry points to this procedure (or NULL). */
1935 gfc_entry_list
*entries
;
1937 /* A list of USE statements in this namespace. */
1938 gfc_use_list
*use_stmts
;
1940 /* Linked list of !$omp declare simd constructs. */
1941 struct gfc_omp_declare_simd
*omp_declare_simd
;
1943 /* A hash set for the the gfc expressions that have already
1944 been finalized in this namespace. */
1946 gfc_was_finalized
*was_finalized
;
1948 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1949 unsigned is_block_data
:1;
1951 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1952 unsigned has_import_set
:1;
1954 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1955 unsigned has_implicit_none_export
:1;
1957 /* Set to 1 if resolved has been called for this namespace.
1958 Holds -1 during resolution. */
1961 /* Set when resolve_types has been called for this namespace. */
1962 unsigned types_resolved
:1;
1964 /* Set to 1 if code has been generated for this namespace. */
1965 unsigned translated
:1;
1967 /* Set to 1 if symbols in this namespace should be 'construct entities',
1968 i.e. for BLOCK local variables. */
1969 unsigned construct_entities
:1;
1971 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1972 unsigned omp_udr_ns
:1;
1974 /* Set to 1 for !$ACC ROUTINE namespaces. */
1975 unsigned oacc_routine
:1;
1977 /* Set to 1 if there are any calls to procedures with implicit interface. */
1978 unsigned implicit_interface_calls
:1;
1980 /* OpenMP requires. */
1981 unsigned omp_requires
:6;
1982 unsigned omp_target_seen
:1;
1986 extern gfc_namespace
*gfc_current_ns
;
1987 extern gfc_namespace
*gfc_global_ns_list
;
1989 /* Global symbols are symbols of global scope. Currently we only use
1990 this to detect collisions already when parsing.
1991 TODO: Extend to verify procedure calls. */
1993 enum gfc_symbol_type
1995 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1996 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1999 typedef struct gfc_gsymbol
2001 BBT_HEADER(gfc_gsymbol
);
2004 const char *sym_name
;
2005 const char *mod_name
;
2006 const char *binding_label
;
2007 enum gfc_symbol_type type
;
2016 extern gfc_gsymbol
*gfc_gsym_root
;
2018 /* Information on interfaces being built. */
2021 interface_type type
;
2025 gfc_intrinsic_op op
;
2029 extern gfc_interface_info current_interface
;
2032 /* Array reference. */
2034 enum gfc_array_ref_dimen_type
2036 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
2039 typedef struct gfc_array_ref
2042 int dimen
; /* # of components in the reference */
2044 bool in_allocate
; /* For coarray checks. */
2050 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
2051 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
2052 *stride
[GFC_MAX_DIMENSIONS
];
2054 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
2058 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
2061 /* Component reference nodes. A variable is stored as an expression
2062 node that points to the base symbol. After that, a singly linked
2063 list of component reference nodes gives the variable's complete
2064 resolution. The array_ref component may be present and comes
2065 before the component component. */
2068 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
, REF_INQUIRY
};
2071 { INQUIRY_RE
, INQUIRY_IM
, INQUIRY_KIND
, INQUIRY_LEN
};
2073 typedef struct gfc_ref
2079 struct gfc_array_ref ar
;
2083 gfc_component
*component
;
2090 struct gfc_expr
*start
, *end
; /* Substring */
2091 gfc_charlen
*length
;
2100 struct gfc_ref
*next
;
2104 #define gfc_get_ref() XCNEW (gfc_ref)
2107 /* Structures representing intrinsic symbols and their arguments lists. */
2108 typedef struct gfc_intrinsic_arg
2110 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2113 unsigned optional
:1, value
:1;
2114 ENUM_BITFIELD (sym_intent
) intent
:2;
2115 gfc_actual_arglist
*actual
;
2117 struct gfc_intrinsic_arg
*next
;
2123 /* Specifies the various kinds of check functions used to verify the
2124 argument lists of intrinsic functions. fX with X an integer refer
2125 to check functions of intrinsics with X arguments. f1m is used for
2126 the MAX and MIN intrinsics which can have an arbitrary number of
2127 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2128 these have special semantics. */
2133 bool (*f1
)(struct gfc_expr
*);
2134 bool (*f1m
)(gfc_actual_arglist
*);
2135 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2136 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2137 bool (*f5ml
)(gfc_actual_arglist
*);
2138 bool (*f6fl
)(gfc_actual_arglist
*);
2139 bool (*f3red
)(gfc_actual_arglist
*);
2140 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2142 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2143 struct gfc_expr
*, struct gfc_expr
*);
2147 /* Like gfc_check_f, these specify the type of the simplification
2148 function associated with an intrinsic. The fX are just like in
2149 gfc_check_f. cc is used for type conversion functions. */
2153 struct gfc_expr
*(*f0
)(void);
2154 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
2155 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2156 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
2158 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
2159 struct gfc_expr
*, struct gfc_expr
*);
2160 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
2161 struct gfc_expr
*, struct gfc_expr
*,
2163 struct gfc_expr
*(*f6
)(struct gfc_expr
*, struct gfc_expr
*,
2164 struct gfc_expr
*, struct gfc_expr
*,
2165 struct gfc_expr
*, struct gfc_expr
*);
2166 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
2170 /* Again like gfc_check_f, these specify the type of the resolution
2171 function associated with an intrinsic. The fX are just like in
2172 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2176 void (*f0
)(struct gfc_expr
*);
2177 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
2178 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
2179 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2180 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2182 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2183 struct gfc_expr
*, struct gfc_expr
*);
2184 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2185 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2186 void (*f6
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2187 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2189 void (*s1
)(struct gfc_code
*);
2194 typedef struct gfc_intrinsic_sym
2196 const char *name
, *lib_name
;
2197 gfc_intrinsic_arg
*formal
;
2199 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
2200 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
2201 from_module
:1, vararg
:1;
2205 gfc_simplify_f simplify
;
2207 gfc_resolve_f resolve
;
2208 struct gfc_intrinsic_sym
*specific_head
, *next
;
2215 /* Expression nodes. The expression node types deserve explanations,
2216 since the last couple can be easily misconstrued:
2218 EXPR_OP Operator node pointing to one or two other nodes
2219 EXPR_FUNCTION Function call, symbol points to function's name
2220 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2221 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2222 which expresses structure, array and substring refs.
2223 EXPR_NULL The NULL pointer value (which also has a basic type).
2224 EXPR_SUBSTRING A substring of a constant string
2225 EXPR_STRUCTURE A structure constructor
2226 EXPR_ARRAY An array constructor.
2227 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2228 component or type-bound procedure. */
2232 #define GFC_RND_MODE MPFR_RNDN
2233 #define GFC_MPC_RND_MODE MPC_RNDNN
2235 typedef splay_tree gfc_constructor_base
;
2238 /* This should be an unsigned variable of type size_t. But to handle
2239 compiling to a 64-bit target from a 32-bit host, we need to use a
2240 HOST_WIDE_INT. Also, occasionally the string length field is used
2241 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2242 So it needs to be signed. */
2243 typedef HOST_WIDE_INT gfc_charlen_t
;
2245 typedef struct gfc_expr
2249 gfc_typespec ts
; /* These two refer to the overall expression */
2251 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
2252 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
2254 /* Nonnull for functions and structure constructors, may also used to hold the
2255 base-object for component calls. */
2256 gfc_symtree
*symtree
;
2262 /* Used to store the base expression in component calls, when the expression
2263 is not a variable. */
2264 struct gfc_expr
*base_expr
;
2266 /* is_snan denotes a signalling not-a-number. */
2267 unsigned int is_snan
: 1;
2269 /* Sometimes, when an error has been emitted, it is necessary to prevent
2270 it from recurring. */
2271 unsigned int error
: 1;
2273 /* Mark an expression where a user operator has been substituted by
2274 a function call in interface.c(gfc_extend_expr). */
2275 unsigned int user_operator
: 1;
2277 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2278 unsigned int mold
: 1;
2280 /* Will require finalization after use. */
2281 unsigned int must_finalize
: 1;
2283 /* Set this if no range check should be performed on this expression. */
2285 unsigned int no_bounds_check
: 1;
2287 /* Set this if a matmul expression has already been evaluated for conversion
2290 unsigned int external_blas
: 1;
2292 /* Set this if resolution has already happened. It could be harmful
2295 unsigned int do_not_resolve_again
: 1;
2297 /* Set this if no warning should be given somewhere in a lower level. */
2299 unsigned int do_not_warn
: 1;
2301 /* Set this if the expression came from expanding an array constructor. */
2302 unsigned int from_constructor
: 1;
2304 /* If an expression comes from a Hollerith constant or compile-time
2305 evaluation of a transfer statement, it may have a prescribed target-
2306 memory representation, and these cannot always be backformed from
2310 gfc_charlen_t length
;
2317 int len
; /* Length of BOZ string without terminating NULL. */
2318 int rdx
; /* Radix of BOZ. */
2319 char *str
; /* BOZ string with NULL terminating character. */
2337 gfc_intrinsic_op op
;
2339 struct gfc_expr
*op1
, *op2
;
2345 gfc_actual_arglist
*actual
;
2346 const char *name
; /* Points to the ultimate name of the function */
2347 gfc_intrinsic_sym
*isym
;
2354 gfc_actual_arglist
* actual
;
2356 /* Base-object, whose component was called. NULL means that it should
2357 be taken from symtree/ref. */
2358 struct gfc_expr
* base_object
;
2359 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2361 /* For type-bound operators, we want to call PASS procedures but already
2362 have the full arglist; mark this, so that it is not extended by the
2364 unsigned ignore_pass
:1;
2366 /* Do assign-calls rather than calls, that is appropriate dependency
2374 gfc_charlen_t length
;
2379 gfc_constructor_base constructor
;
2383 /* Used to store PDT expression lists associated with expressions. */
2384 gfc_actual_arglist
*param_list
;
2390 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2392 /* Structures for information associated with different kinds of
2393 numbers. The first set of integer parameters define all there is
2394 to know about a particular kind. The rest of the elements are
2395 computed from the first elements. */
2399 /* Values really representable by the target. */
2400 mpz_t huge
, pedantic_min_int
, min_int
;
2402 int kind
, radix
, digits
, bit_size
, range
;
2404 /* True if the C type of the given name maps to this precision.
2405 Note that more than one bit can be set. */
2406 unsigned int c_char
: 1;
2407 unsigned int c_short
: 1;
2408 unsigned int c_int
: 1;
2409 unsigned int c_long
: 1;
2410 unsigned int c_long_long
: 1;
2414 extern gfc_integer_info gfc_integer_kinds
[];
2421 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2422 unsigned int c_bool
: 1;
2426 extern gfc_logical_info gfc_logical_kinds
[];
2431 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2432 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2433 int range
, precision
;
2435 /* The precision of the type as reported by GET_MODE_PRECISION. */
2438 /* True if the C type of the given name maps to this precision.
2439 Note that more than one bit can be set. */
2440 unsigned int c_float
: 1;
2441 unsigned int c_double
: 1;
2442 unsigned int c_long_double
: 1;
2443 unsigned int c_float128
: 1;
2447 extern gfc_real_info gfc_real_kinds
[];
2456 extern gfc_character_info gfc_character_kinds
[];
2459 /* Equivalence structures. Equivalent lvalues are linked along the
2460 *eq pointer, equivalence sets are strung along the *next node. */
2461 typedef struct gfc_equiv
2463 struct gfc_equiv
*next
, *eq
;
2470 #define gfc_get_equiv() XCNEW (gfc_equiv)
2472 /* Holds a single equivalence member after processing. */
2473 typedef struct gfc_equiv_info
2476 HOST_WIDE_INT offset
;
2477 HOST_WIDE_INT length
;
2478 struct gfc_equiv_info
*next
;
2481 /* Holds equivalence groups, after they have been processed. */
2482 typedef struct gfc_equiv_list
2484 gfc_equiv_info
*equiv
;
2485 struct gfc_equiv_list
*next
;
2488 /* gfc_case stores the selector list of a case statement. The *low
2489 and *high pointers can point to the same expression in the case of
2490 a single value. If *high is NULL, the selection is from *low
2491 upwards, if *low is NULL the selection is *high downwards.
2493 This structure has separate fields to allow single and double linked
2494 lists of CASEs at the same time. The singe linked list along the NEXT
2495 field is a list of cases for a single CASE label. The double linked
2496 list along the LEFT/RIGHT fields is used to detect overlap and to
2497 build a table of the cases for SELECT constructs with a CHARACTER
2500 typedef struct gfc_case
2502 /* Where we saw this case. */
2506 /* Case range values. If (low == high), it's a single value. If one of
2507 the labels is NULL, it's an unbounded case. If both are NULL, this
2508 represents the default case. */
2509 gfc_expr
*low
, *high
;
2511 /* Only used for SELECT TYPE. */
2514 /* Next case label in the list of cases for a single CASE label. */
2515 struct gfc_case
*next
;
2517 /* Used for detecting overlap, and for code generation. */
2518 struct gfc_case
*left
, *right
;
2520 /* True if this case label can never be matched. */
2525 #define gfc_get_case() XCNEW (gfc_case)
2530 gfc_expr
*var
, *start
, *end
, *step
;
2531 unsigned short unroll
;
2538 #define gfc_get_iterator() XCNEW (gfc_iterator)
2541 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2543 typedef struct gfc_alloc
2546 struct gfc_alloc
*next
;
2550 #define gfc_get_alloc() XCNEW (gfc_alloc)
2555 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2556 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2557 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
,
2567 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2575 gfc_expr
*unit
, *iostat
, *iomsg
;
2583 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2584 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2585 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2586 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2587 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2588 *iqstream
, *share
, *cc
;
2598 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2599 gfc_st_label
*err
, *end
, *eor
;
2606 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2607 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2608 *sign
, *extra_comma
, *dt_io_kind
, *udtio
;
2611 gfc_symbol
*namelist
;
2612 /* A format_label of `format_asterisk' indicates the "*" format */
2613 gfc_st_label
*format_label
;
2614 gfc_st_label
*err
, *end
, *eor
;
2616 locus eor_where
, end_where
, err_where
;
2621 typedef struct gfc_forall_iterator
2623 gfc_expr
*var
, *start
, *end
, *stride
;
2624 struct gfc_forall_iterator
*next
;
2626 gfc_forall_iterator
;
2629 /* Linked list to store associations in an ASSOCIATE statement. */
2631 typedef struct gfc_association_list
2633 struct gfc_association_list
*next
;
2635 /* Whether this is association to a variable that can be changed; otherwise,
2636 it's association to an expression and the name may not be used as
2638 unsigned variable
:1;
2640 /* True if this struct is currently only linked to from a gfc_symbol rather
2641 than as part of a real list in gfc_code->ext.block.assoc. This may
2642 happen for SELECT TYPE temporaries and must be considered
2643 for memory handling. */
2644 unsigned dangling
:1;
2646 /* True when the rank of the target expression is guessed during parsing. */
2647 unsigned rankguessed
:1;
2649 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2650 gfc_symtree
*st
; /* Symtree corresponding to name. */
2655 gfc_association_list
;
2656 #define gfc_get_association_list() XCNEW (gfc_association_list)
2659 /* Executable statements that fill gfc_code structures. */
2662 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2663 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2664 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2665 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2666 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2667 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2668 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2669 EXEC_SELECT_TYPE
, EXEC_SELECT_RANK
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
,
2670 EXEC_SYNC_IMAGES
, EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2671 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2672 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2673 EXEC_FORM_TEAM
, EXEC_CHANGE_TEAM
, EXEC_END_TEAM
, EXEC_SYNC_TEAM
,
2674 EXEC_LOCK
, EXEC_UNLOCK
, EXEC_EVENT_POST
, EXEC_EVENT_WAIT
, EXEC_FAIL_IMAGE
,
2675 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
, EXEC_OACC_SERIAL_LOOP
,
2676 EXEC_OACC_ROUTINE
, EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_SERIAL
,
2677 EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
, EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
,
2678 EXEC_OACC_WAIT
, EXEC_OACC_CACHE
, EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2679 EXEC_OACC_ATOMIC
, EXEC_OACC_DECLARE
,
2680 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2681 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2682 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2683 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2684 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2685 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2686 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2687 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2688 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2689 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2690 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2691 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2692 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2693 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2694 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2695 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2696 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2697 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2698 EXEC_OMP_TARGET_UPDATE
, EXEC_OMP_END_CRITICAL
,
2699 EXEC_OMP_TARGET_ENTER_DATA
, EXEC_OMP_TARGET_EXIT_DATA
,
2700 EXEC_OMP_TARGET_PARALLEL
, EXEC_OMP_TARGET_PARALLEL_DO
,
2701 EXEC_OMP_TARGET_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET_SIMD
,
2702 EXEC_OMP_TASKLOOP
, EXEC_OMP_TASKLOOP_SIMD
, EXEC_OMP_SCAN
2705 typedef struct gfc_code
2709 struct gfc_code
*block
, *next
;
2712 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2713 gfc_symtree
*symtree
;
2714 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2715 /* A name isn't sufficient to identify a subroutine, we need the actual
2716 symbol for the interface definition.
2717 const char *sub_name; */
2718 gfc_symbol
*resolved_sym
;
2719 gfc_intrinsic_sym
*resolved_isym
;
2723 gfc_actual_arglist
*actual
;
2724 gfc_iterator
*iterator
;
2730 /* Take the array specification from expr3 to allocate arrays
2731 without an explicit array specification. */
2732 unsigned arr_spec_from_expr3
:1;
2739 gfc_association_list
*assoc
;
2740 gfc_case
*case_list
;
2746 gfc_filepos
*filepos
;
2747 gfc_inquire
*inquire
;
2750 gfc_forall_iterator
*forall_iterator
;
2751 struct gfc_code
*which_construct
;
2753 gfc_entry_list
*entry
;
2754 gfc_oacc_declare
*oacc_declare
;
2755 gfc_omp_clauses
*omp_clauses
;
2756 const char *omp_name
;
2757 gfc_omp_namelist
*omp_namelist
;
2760 ext
; /* Points to additional structures required by statement */
2762 /* Cycle and break labels in constructs. */
2769 /* Storage for DATA statements. */
2770 typedef struct gfc_data_variable
2774 struct gfc_data_variable
*list
, *next
;
2779 typedef struct gfc_data_value
2783 struct gfc_data_value
*next
;
2788 typedef struct gfc_data
2790 gfc_data_variable
*var
;
2791 gfc_data_value
*value
;
2794 struct gfc_data
*next
;
2799 /* Structure for holding compile options */
2803 gfc_source_form source_form
;
2804 int max_continue_fixed
;
2805 int max_continue_free
;
2806 int max_identifier_length
;
2810 int flag_preprocessed
;
2812 int flag_init_integer
;
2813 long flag_init_integer_value
;
2814 int flag_init_logical
;
2815 int flag_init_character
;
2816 char flag_init_character_value
;
2827 extern gfc_option_t gfc_option
;
2829 /* Constructor nodes for array and structure constructors. */
2830 typedef struct gfc_constructor
2832 gfc_constructor_base base
;
2833 mpz_t offset
; /* Offset within a constructor, used as
2837 gfc_iterator
*iterator
;
2842 gfc_component
*component
; /* Record the component being initialized. */
2845 mpz_t repeat
; /* Record the repeat number of initial values in data
2846 statement like "data a/5*10/". */
2851 typedef struct iterator_stack
2853 gfc_symtree
*variable
;
2855 struct iterator_stack
*prev
;
2858 extern iterator_stack
*iter_stack
;
2861 /* Used for (possibly nested) SELECT TYPE statements. */
2862 typedef struct gfc_select_type_stack
2864 gfc_symbol
*selector
; /* Current selector variable. */
2865 gfc_symtree
*tmp
; /* Current temporary variable. */
2866 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2868 gfc_select_type_stack
;
2869 extern gfc_select_type_stack
*select_type_stack
;
2870 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2873 /* Node in the linked list used for storing finalizer procedures. */
2875 typedef struct gfc_finalizer
2877 struct gfc_finalizer
* next
;
2878 locus where
; /* Where the FINAL declaration occurred. */
2880 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2881 symtree and later need only that. This way, we can access and call the
2882 finalizers from every context as they should be "always accessible". I
2883 don't make this a union because we need the information whether proc_sym is
2884 still referenced or not for dereferencing it on deleting a gfc_finalizer
2886 gfc_symbol
* proc_sym
;
2887 gfc_symtree
* proc_tree
;
2890 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2893 /************************ Function prototypes *************************/
2896 bool gfc_in_match_data (void);
2897 match
gfc_match_char_spec (gfc_typespec
*);
2898 extern int directive_unroll
;
2899 extern bool directive_ivdep
;
2900 extern bool directive_vector
;
2901 extern bool directive_novector
;
2903 /* SIMD clause enum. */
2904 enum gfc_simd_clause
2906 SIMD_NONE
= (1 << 0),
2907 SIMD_INBRANCH
= (1 << 1),
2908 SIMD_NOTINBRANCH
= (1 << 2)
2911 /* Tuple for parsing of vectorized built-ins. */
2912 struct gfc_vect_builtin_tuple
2914 gfc_vect_builtin_tuple (const char *n
, gfc_simd_clause t
)
2915 : name (n
), simd_type (t
) {}
2918 gfc_simd_clause simd_type
;
2921 /* Map of middle-end built-ins that should be vectorized. */
2922 extern hash_map
<nofree_string_hash
, int> *gfc_vectorized_builtins
;
2924 /* Handling Parameterized Derived Types */
2925 bool gfc_insert_kind_parameter_exprs (gfc_expr
*);
2926 bool gfc_insert_parameter_exprs (gfc_expr
*, gfc_actual_arglist
*);
2927 match
gfc_get_pdt_instance (gfc_actual_arglist
*, gfc_symbol
**,
2928 gfc_actual_arglist
**);
2931 /* Given a symbol, test whether it is a module procedure in a submodule */
2932 #define gfc_submodule_procedure(attr) \
2933 (gfc_state_stack->previous && gfc_state_stack->previous->previous \
2934 && gfc_state_stack->previous->previous->state == COMP_SUBMODULE \
2935 && attr->module_procedure)
2938 void gfc_scanner_done_1 (void);
2939 void gfc_scanner_init_1 (void);
2941 void gfc_add_include_path (const char *, bool, bool, bool);
2942 void gfc_add_intrinsic_modules_path (const char *);
2943 void gfc_release_include_path (void);
2944 FILE *gfc_open_included_file (const char *, bool, bool);
2946 int gfc_at_end (void);
2947 int gfc_at_eof (void);
2948 int gfc_at_bol (void);
2949 int gfc_at_eol (void);
2950 void gfc_advance_line (void);
2951 int gfc_check_include (void);
2952 int gfc_define_undef_line (void);
2954 int gfc_wide_is_printable (gfc_char_t
);
2955 int gfc_wide_is_digit (gfc_char_t
);
2956 int gfc_wide_fits_in_byte (gfc_char_t
);
2957 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2958 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2959 size_t gfc_wide_strlen (const gfc_char_t
*);
2960 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2961 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2962 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2963 gfc_char_t
*gfc_char_to_widechar (const char *);
2965 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2967 void gfc_skip_comments (void);
2968 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2969 gfc_char_t
gfc_next_char (void);
2970 char gfc_next_ascii_char (void);
2971 gfc_char_t
gfc_peek_char (void);
2972 char gfc_peek_ascii_char (void);
2973 void gfc_error_recovery (void);
2974 void gfc_gobble_whitespace (void);
2975 bool gfc_new_file (void);
2976 const char * gfc_read_orig_filename (const char *, const char **);
2978 extern gfc_source_form gfc_current_form
;
2979 extern const char *gfc_source_file
;
2980 extern locus gfc_current_locus
;
2982 void gfc_start_source_files (void);
2983 void gfc_end_source_files (void);
2986 void gfc_clear_ts (gfc_typespec
*);
2987 FILE *gfc_open_file (const char *);
2988 const char *gfc_basic_typename (bt
);
2989 const char *gfc_dummy_typename (gfc_typespec
*);
2990 const char *gfc_typename (gfc_typespec
*, bool for_hash
= false);
2991 const char *gfc_typename (gfc_expr
*);
2992 const char *gfc_op2string (gfc_intrinsic_op
);
2993 const char *gfc_code2string (const mstring
*, int);
2994 int gfc_string2code (const mstring
*, const char *);
2995 const char *gfc_intent_string (sym_intent
);
2997 void gfc_init_1 (void);
2998 void gfc_init_2 (void);
2999 void gfc_done_1 (void);
3000 void gfc_done_2 (void);
3002 int get_c_kind (const char *, CInteropKind_t
*);
3004 const char *gfc_closest_fuzzy_match (const char *, char **);
3006 vec_push (char **&optr
, size_t &osz
, const char *elt
)
3008 /* {auto,}vec.safe_push () replacement. Don't ask.. */
3009 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
3010 optr
= XRESIZEVEC (char *, optr
, osz
+ 2);
3011 optr
[osz
] = CONST_CAST (char *, elt
);
3015 HOST_WIDE_INT
gfc_mpz_get_hwi (mpz_t
);
3016 void gfc_mpz_set_hwi (mpz_t
, const HOST_WIDE_INT
);
3019 unsigned int gfc_option_lang_mask (void);
3020 void gfc_init_options_struct (struct gcc_options
*);
3021 void gfc_init_options (unsigned int,
3022 struct cl_decoded_option
*);
3023 bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT
, int, location_t
,
3024 const struct cl_option_handlers
*);
3025 bool gfc_post_options (const char **);
3026 char *gfc_get_option_string (void);
3029 void gfc_maybe_initialize_eh (void);
3032 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
3033 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
3036 void gfc_error_init_1 (void);
3037 void gfc_diagnostics_init (void);
3038 void gfc_diagnostics_finish (void);
3039 void gfc_buffer_error (bool);
3041 const char *gfc_print_wide_char (gfc_char_t
);
3043 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3044 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3045 bool gfc_warning_internal (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3046 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
3047 ATTRIBUTE_GCC_GFC(3,4);
3049 void gfc_clear_warning (void);
3050 void gfc_warning_check (void);
3052 void gfc_error_opt (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3053 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3054 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3055 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
3056 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
3057 void gfc_clear_error (void);
3058 bool gfc_error_check (void);
3059 bool gfc_error_flag_test (void);
3061 notification
gfc_notification_std (int);
3062 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3064 /* A general purpose syntax error. */
3065 #define gfc_syntax_error(ST) \
3066 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
3068 #include "pretty-print.h" /* For output_buffer. */
3069 struct gfc_error_buffer
3072 output_buffer buffer
;
3073 gfc_error_buffer(void) : flag(false), buffer() {}
3076 void gfc_push_error (gfc_error_buffer
*);
3077 void gfc_pop_error (gfc_error_buffer
*);
3078 void gfc_free_error (gfc_error_buffer
*);
3080 void gfc_get_errors (int *, int *);
3081 void gfc_errors_to_warnings (bool);
3084 void gfc_arith_init_1 (void);
3085 void gfc_arith_done_1 (void);
3086 arith
gfc_check_integer_range (mpz_t p
, int kind
);
3087 bool gfc_check_character_range (gfc_char_t
, int);
3089 extern bool gfc_seen_div0
;
3092 bool gfc_check_any_c_kind (gfc_typespec
*);
3093 int gfc_validate_kind (bt
, int, bool);
3094 int gfc_get_int_kind_from_width_isofortranenv (int size
);
3095 int gfc_get_real_kind_from_width_isofortranenv (int size
);
3096 tree
gfc_get_union_type (gfc_symbol
*);
3097 tree
gfc_get_derived_type (gfc_symbol
* derived
, int codimen
= 0);
3098 extern int gfc_index_integer_kind
;
3099 extern int gfc_default_integer_kind
;
3100 extern int gfc_max_integer_kind
;
3101 extern int gfc_default_real_kind
;
3102 extern int gfc_default_double_kind
;
3103 extern int gfc_default_character_kind
;
3104 extern int gfc_default_logical_kind
;
3105 extern int gfc_default_complex_kind
;
3106 extern int gfc_c_int_kind
;
3107 extern int gfc_atomic_int_kind
;
3108 extern int gfc_atomic_logical_kind
;
3109 extern int gfc_intio_kind
;
3110 extern int gfc_charlen_int_kind
;
3111 extern int gfc_size_kind
;
3112 extern int gfc_numeric_storage_size
;
3113 extern int gfc_character_storage_size
;
3115 #define gfc_logical_4_kind 4
3116 #define gfc_integer_4_kind 4
3117 #define gfc_real_4_kind 4
3120 void gfc_clear_new_implicit (void);
3121 bool gfc_add_new_implicit_range (int, int);
3122 bool gfc_merge_new_implicit (gfc_typespec
*);
3123 void gfc_set_implicit_none (bool, bool, locus
*);
3124 void gfc_check_function_type (gfc_namespace
*);
3125 bool gfc_is_intrinsic_typename (const char *);
3126 bool gfc_check_conflict (symbol_attribute
*, const char *, locus
*);
3128 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
3129 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
3131 void gfc_set_sym_referenced (gfc_symbol
*);
3133 bool gfc_add_attribute (symbol_attribute
*, locus
*);
3134 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
3135 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
3136 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
3137 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
3138 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
3139 bool gfc_add_external (symbol_attribute
*, locus
*);
3140 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
3141 bool gfc_add_optional (symbol_attribute
*, locus
*);
3142 bool gfc_add_kind (symbol_attribute
*, locus
*);
3143 bool gfc_add_len (symbol_attribute
*, locus
*);
3144 bool gfc_add_pointer (symbol_attribute
*, locus
*);
3145 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
3146 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
3147 match
gfc_mod_pointee_as (gfc_array_spec
*);
3148 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
3149 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
3150 bool gfc_add_automatic (symbol_attribute
*, const char *, locus
*);
3151 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
3152 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
3153 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
3154 bool gfc_add_omp_declare_target_link (symbol_attribute
*, const char *,
3156 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
3157 bool gfc_add_target (symbol_attribute
*, locus
*);
3158 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
3159 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
3160 bool gfc_add_common (symbol_attribute
*, locus
*);
3161 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
3162 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
3163 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
3164 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
3165 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
3166 bool gfc_add_elemental (symbol_attribute
*, locus
*);
3167 bool gfc_add_pure (symbol_attribute
*, locus
*);
3168 bool gfc_add_recursive (symbol_attribute
*, locus
*);
3169 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
3170 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
3171 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
3172 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
3173 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
3174 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
3176 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
3177 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
3178 bool gfc_add_extension (symbol_attribute
*, locus
*);
3179 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
3180 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
3181 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
3182 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
3183 const char *, locus
*);
3184 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
3185 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
3186 gfc_formal_arglist
*, locus
*);
3187 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
3189 void gfc_clear_attr (symbol_attribute
*);
3190 bool gfc_missing_attr (symbol_attribute
*, locus
*);
3191 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
3192 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
3193 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
3194 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
3195 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
3196 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool,
3199 gfc_st_label
*gfc_get_st_label (int);
3200 void gfc_free_st_label (gfc_st_label
*);
3201 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
3202 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
3204 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
3205 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
3206 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
3207 void gfc_delete_symtree (gfc_symtree
**, const char *);
3208 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
3209 gfc_user_op
*gfc_get_uop (const char *);
3210 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
3211 void gfc_free_symbol (gfc_symbol
*);
3212 void gfc_release_symbol (gfc_symbol
*);
3213 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
3214 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
3215 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
3216 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
3217 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
3218 bool gfc_verify_c_interop (gfc_typespec
*);
3219 bool gfc_verify_c_interop_param (gfc_symbol
*);
3220 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
3221 bool verify_bind_c_derived_type (gfc_symbol
*);
3222 bool verify_com_block_vars_c_interop (gfc_common_head
*);
3223 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
3224 const char *, gfc_symtree
*, bool);
3225 void gfc_save_symbol_data (gfc_symbol
*);
3226 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
3227 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
3228 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
3230 void gfc_drop_last_undo_checkpoint (void);
3231 void gfc_restore_last_undo_checkpoint (void);
3232 void gfc_undo_symbols (void);
3233 void gfc_commit_symbols (void);
3234 void gfc_commit_symbol (gfc_symbol
*);
3235 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
3236 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
3237 void gfc_free_namespace (gfc_namespace
*);
3239 void gfc_symbol_init_2 (void);
3240 void gfc_symbol_done_2 (void);
3242 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
3243 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
3244 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
3245 void gfc_save_all (gfc_namespace
*);
3247 void gfc_enforce_clean_symbol_state (void);
3249 gfc_gsymbol
*gfc_get_gsymbol (const char *, bool bind_c
);
3250 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
3251 gfc_gsymbol
*gfc_find_case_gsymbol (gfc_gsymbol
*, const char *);
3252 void gfc_traverse_gsymbol (gfc_gsymbol
*, void (*)(gfc_gsymbol
*, void *), void *);
3254 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
3255 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
3256 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
3257 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
3258 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
3260 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
3261 gfc_actual_arglist
*, bool copy_type
= false);
3263 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
3265 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
3266 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
3268 bool gfc_is_associate_pointer (gfc_symbol
*);
3269 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
3270 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
3272 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3273 extern bool gfc_init_expr_flag
;
3275 /* Given a symbol that we have decided is intrinsic, mark it as such
3276 by placing it into a special module that is otherwise impossible to
3279 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3281 void gfc_intrinsic_init_1 (void);
3282 void gfc_intrinsic_done_1 (void);
3284 char gfc_type_letter (bt
, bool logical_equals_int
= false);
3285 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
3286 gfc_symbol
*gfc_get_intrinsic_function_symbol (gfc_expr
*);
3287 gfc_symbol
*gfc_find_intrinsic_symbol (gfc_expr
*);
3288 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
3289 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int,
3290 bool array
= false);
3291 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
3292 int gfc_generic_intrinsic (const char *);
3293 int gfc_specific_intrinsic (const char *);
3294 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
3295 int gfc_intrinsic_actual_ok (const char *, const bool);
3296 gfc_intrinsic_sym
*gfc_find_function (const char *);
3297 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
3298 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
3299 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
3300 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
3301 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
3304 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
3305 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3307 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3308 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3311 /* match.c -- FIXME */
3312 void gfc_free_iterator (gfc_iterator
*, int);
3313 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3314 void gfc_free_alloc_list (gfc_alloc
*);
3315 void gfc_free_namelist (gfc_namelist
*);
3316 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3317 void gfc_free_equiv (gfc_equiv
*);
3318 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3319 void gfc_free_data (gfc_data
*);
3320 void gfc_reject_data (gfc_namespace
*);
3321 void gfc_free_case_list (gfc_case
*);
3323 /* matchexp.c -- FIXME too? */
3324 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3327 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3328 bool gfc_omp_requires_add_clause (gfc_omp_requires_kind
, const char *,
3329 locus
*, const char *);
3330 void gfc_check_omp_requires (gfc_namespace
*, int);
3331 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3332 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare
*);
3333 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3334 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3335 void gfc_free_omp_udr (gfc_omp_udr
*);
3336 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3337 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3338 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*, bool);
3339 void gfc_resolve_omp_local_vars (gfc_namespace
*);
3340 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3341 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3342 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3343 void gfc_resolve_omp_udrs (gfc_symtree
*);
3344 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3345 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3346 void gfc_free_expr_list (gfc_expr_list
*);
3347 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3348 void gfc_resolve_oacc_declare (gfc_namespace
*);
3349 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3350 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3351 void gfc_resolve_oacc_routines (gfc_namespace
*);
3354 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3355 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3357 bool gfc_extract_int (gfc_expr
*, int *, int = 0);
3358 bool gfc_extract_hwi (gfc_expr
*, HOST_WIDE_INT
*, int = 0);
3360 bool is_CFI_desc (gfc_symbol
*, gfc_expr
*);
3361 bool is_subref_array (gfc_expr
*);
3362 bool gfc_is_simply_contiguous (gfc_expr
*, bool, bool);
3363 bool gfc_is_not_contiguous (gfc_expr
*);
3364 bool gfc_check_init_expr (gfc_expr
*);
3366 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3367 void gfc_free_ref_list (gfc_ref
*);
3368 void gfc_type_convert_binary (gfc_expr
*, int);
3369 bool gfc_is_constant_expr (gfc_expr
*);
3370 bool gfc_simplify_expr (gfc_expr
*, int);
3371 int gfc_has_vector_index (gfc_expr
*);
3373 gfc_expr
*gfc_get_expr (void);
3374 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3375 gfc_expr
*gfc_get_null_expr (locus
*);
3376 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3377 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3378 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3379 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, gfc_charlen_t len
);
3380 gfc_expr
*gfc_get_int_expr (int, locus
*, HOST_WIDE_INT
);
3381 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3382 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3384 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3385 void gfc_free_shape (mpz_t
**shape
, int rank
);
3386 void gfc_free_expr (gfc_expr
*);
3387 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3388 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3389 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3390 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3391 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3393 bool gfc_specification_expr (gfc_expr
*);
3395 int gfc_numeric_ts (gfc_typespec
*);
3396 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3398 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3399 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int, bool c
= true);
3400 bool gfc_check_pointer_assign (gfc_expr
*lvalue
, gfc_expr
*rvalue
,
3401 bool suppres_type_test
= false,
3402 bool is_init_expr
= false);
3403 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3405 gfc_expr
*gfc_build_default_init_expr (gfc_typespec
*, locus
*);
3406 gfc_expr
*gfc_build_init_expr (gfc_typespec
*, locus
*, bool);
3407 void gfc_apply_init (gfc_typespec
*, symbol_attribute
*, gfc_expr
*);
3408 bool gfc_has_default_initializer (gfc_symbol
*);
3409 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3410 gfc_expr
*gfc_generate_initializer (gfc_typespec
*, bool);
3411 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3412 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3413 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3415 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3417 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3418 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3420 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3421 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3422 bool gfc_derived_parameter_expr (gfc_expr
*);
3423 gfc_param_spec_type
gfc_spec_list_type (gfc_actual_arglist
*, gfc_symbol
*);
3424 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3425 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3426 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3427 bool gfc_is_class_array_function (gfc_expr
*);
3429 bool gfc_ref_this_image (gfc_ref
*ref
);
3430 bool gfc_is_coindexed (gfc_expr
*);
3431 bool gfc_is_coarray (gfc_expr
*);
3432 int gfc_get_corank (gfc_expr
*);
3433 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3434 bool gfc_has_ultimate_pointer (gfc_expr
*);
3435 gfc_expr
* gfc_find_team_co (gfc_expr
*);
3436 gfc_expr
* gfc_find_stat_co (gfc_expr
*);
3437 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3438 locus
, unsigned, ...);
3439 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3443 extern gfc_code new_st
;
3445 void gfc_clear_new_st (void);
3446 gfc_code
*gfc_get_code (gfc_exec_op
);
3447 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3448 void gfc_free_statement (gfc_code
*);
3449 void gfc_free_statements (gfc_code
*);
3450 void gfc_free_association_list (gfc_association_list
*);
3453 void gfc_expression_rank (gfc_expr
*);
3454 bool gfc_resolve_ref (gfc_expr
*);
3455 bool gfc_resolve_expr (gfc_expr
*);
3456 void gfc_resolve (gfc_namespace
*);
3457 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3458 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3459 void gfc_resolve_formal_arglist (gfc_symbol
*);
3460 int gfc_impure_variable (gfc_symbol
*);
3461 int gfc_pure (gfc_symbol
*);
3462 int gfc_implicit_pure (gfc_symbol
*);
3463 void gfc_unset_implicit_pure (gfc_symbol
*);
3464 int gfc_elemental (gfc_symbol
*);
3465 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3466 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3467 bool gfc_resolve_index (gfc_expr
*, int);
3468 bool gfc_resolve_dim_arg (gfc_expr
*);
3469 bool gfc_is_formal_arg (void);
3470 void gfc_resolve_substring_charlen (gfc_expr
*);
3471 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3472 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3473 bool gfc_type_is_extensible (gfc_symbol
*);
3474 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3475 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3476 extern int gfc_do_concurrent_flag
;
3477 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree
*);
3478 int gfc_pure_function (gfc_expr
*e
, const char **name
);
3479 int gfc_implicit_pure_function (gfc_expr
*e
);
3483 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3485 void gfc_free_array_spec (gfc_array_spec
*);
3486 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3488 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3489 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3490 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3492 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3494 void gfc_simplify_iterator_var (gfc_expr
*);
3495 bool gfc_expand_constructor (gfc_expr
*, bool);
3496 int gfc_constant_ac (gfc_expr
*);
3497 int gfc_expanded_ac (gfc_expr
*);
3498 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3499 bool gfc_resolve_array_constructor (gfc_expr
*);
3500 bool gfc_check_constructor_type (gfc_expr
*);
3501 bool gfc_check_iter_variable (gfc_expr
*);
3502 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3503 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3504 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3505 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3506 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*, bool a
= false);
3507 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3508 bool spec_size (gfc_array_spec
*, mpz_t
*);
3509 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3510 bool gfc_is_compile_time_shape (gfc_array_spec
*);
3512 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3515 #define gfc_str_startswith(str, pref) \
3516 (strncmp ((str), (pref), strlen (pref)) == 0)
3518 /* interface.c -- FIXME: some of these should be in symbol.c */
3519 void gfc_free_interface (gfc_interface
*);
3520 bool gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3521 bool gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3522 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3524 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3526 bool gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3527 char *, int, const char *, const char *,
3528 bool *bad_result_characteristics
= NULL
);
3529 void gfc_check_interfaces (gfc_namespace
*);
3530 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3531 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3532 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3533 gfc_actual_arglist
**);
3534 match
gfc_extend_expr (gfc_expr
*);
3535 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3536 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3537 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3538 bool gfc_add_interface (gfc_symbol
*);
3539 gfc_interface
*gfc_current_interface_head (void);
3540 void gfc_set_current_interface_head (gfc_interface
*);
3541 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3542 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3543 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3544 bool gfc_has_vector_subscript (gfc_expr
*);
3545 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3546 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3547 void gfc_check_dtio_interfaces (gfc_symbol
*);
3548 gfc_symtree
* gfc_find_typebound_dtio_proc (gfc_symbol
*, bool, bool);
3549 gfc_symbol
* gfc_find_specific_dtio_proc (gfc_symbol
*, bool, bool);
3550 void gfc_get_formal_from_actual_arglist (gfc_symbol
*, gfc_actual_arglist
*);
3551 bool gfc_compare_actual_formal (gfc_actual_arglist
**, gfc_formal_arglist
*,
3552 int, int, bool, locus
*);
3556 extern gfc_st_label format_asterisk
;
3558 void gfc_free_open (gfc_open
*);
3559 bool gfc_resolve_open (gfc_open
*, locus
*);
3560 void gfc_free_close (gfc_close
*);
3561 bool gfc_resolve_close (gfc_close
*, locus
*);
3562 void gfc_free_filepos (gfc_filepos
*);
3563 bool gfc_resolve_filepos (gfc_filepos
*, locus
*);
3564 void gfc_free_inquire (gfc_inquire
*);
3565 bool gfc_resolve_inquire (gfc_inquire
*);
3566 void gfc_free_dt (gfc_dt
*);
3567 bool gfc_resolve_dt (gfc_code
*, gfc_dt
*, locus
*);
3568 void gfc_free_wait (gfc_wait
*);
3569 bool gfc_resolve_wait (gfc_wait
*);
3572 void gfc_module_init_2 (void);
3573 void gfc_module_done_2 (void);
3574 void gfc_dump_module (const char *, int);
3575 bool gfc_check_symbol_access (gfc_symbol
*);
3576 void gfc_free_use_stmts (gfc_use_list
*);
3577 const char *gfc_dt_lower_string (const char *);
3578 const char *gfc_dt_upper_string (const char *);
3581 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3582 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3583 symbol_attribute
gfc_caf_attr (gfc_expr
*, bool i
= false, bool *r
= NULL
);
3584 match
gfc_match_rvalue (gfc_expr
**);
3585 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3586 int gfc_check_digit (char, int);
3587 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3588 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3590 gfc_actual_arglist
**, bool);
3593 void gfc_generate_code (gfc_namespace
*);
3594 void gfc_generate_module_code (gfc_namespace
*);
3596 /* trans-intrinsic.c */
3597 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3600 typedef int (*compare_fn
) (void *, void *);
3601 void gfc_insert_bbt (void *, void *, compare_fn
);
3602 void gfc_delete_bbt (void *, void *, compare_fn
);
3604 /* dump-parse-tree.c */
3605 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3606 void gfc_dump_c_prototypes (gfc_namespace
*, FILE *);
3607 void gfc_dump_external_c_prototypes (FILE *);
3608 void gfc_dump_global_symbols (FILE *);
3609 void debug (gfc_symbol
*);
3610 void debug (gfc_expr
*);
3613 bool gfc_parse_file (void);
3614 void gfc_global_used (gfc_gsymbol
*, locus
*);
3615 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3618 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3619 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3620 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3623 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3624 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3625 size_t*, size_t*, size_t*);
3626 bool gfc_boz2int (gfc_expr
*, int);
3627 bool gfc_boz2real (gfc_expr
*, int);
3628 bool gfc_invalid_boz (const char *, locus
*);
3629 bool gfc_invalid_null_arg (gfc_expr
*);
3633 void gfc_fix_class_refs (gfc_expr
*e
);
3634 void gfc_add_component_ref (gfc_expr
*, const char *);
3635 void gfc_add_class_array_ref (gfc_expr
*);
3636 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3637 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3638 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3639 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3640 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3641 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3642 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3643 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3644 bool gfc_is_class_scalar_expr (gfc_expr
*);
3645 bool gfc_is_class_container_ref (gfc_expr
*e
);
3646 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3647 unsigned int gfc_hash_value (gfc_symbol
*);
3648 gfc_expr
*gfc_get_len_component (gfc_expr
*e
, int);
3649 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3651 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3652 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3653 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3654 const char*, bool, locus
*);
3655 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3656 const char*, bool, locus
*);
3657 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3658 gfc_intrinsic_op
, bool,
3660 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3661 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3663 #define CLASS_DATA(sym) sym->ts.u.derived->components
3664 #define UNLIMITED_POLY(sym) \
3665 (sym != NULL && sym->ts.type == BT_CLASS \
3666 && CLASS_DATA (sym) \
3667 && CLASS_DATA (sym)->ts.u.derived \
3668 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3669 #define IS_CLASS_ARRAY(sym) \
3670 (sym->ts.type == BT_CLASS \
3671 && CLASS_DATA (sym) \
3672 && CLASS_DATA (sym)->attr.dimension \
3673 && !CLASS_DATA (sym)->attr.class_pointer)
3675 /* frontend-passes.c */
3677 void gfc_run_passes (gfc_namespace
*);
3679 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3680 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3682 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3683 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3684 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3685 bool gfc_has_dimen_vector_ref (gfc_expr
*e
);
3686 void gfc_check_externals (gfc_namespace
*);
3687 bool gfc_fix_implicit_pure (gfc_namespace
*);
3691 void gfc_convert_mpz_to_signed (mpz_t
, int);
3692 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3693 bool gfc_is_size_zero_array (gfc_expr
*);
3697 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3701 void finish_oacc_declare (gfc_namespace
*, gfc_symbol
*, bool);
3702 void gfc_adjust_builtins (void);
3704 #endif /* GCC_GFORTRAN_H */