1 /* gfortran header file
2 Copyright (C) 2000-2020 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
,
265 ST_OMP_TASKLOOP_SIMD
, ST_OMP_END_TASKLOOP_SIMD
, ST_OMP_ORDERED_DEPEND
,
266 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). */
381 GFC_ISYM_ATOMIC_FETCH_ADD
,
382 GFC_ISYM_ATOMIC_FETCH_AND
,
383 GFC_ISYM_ATOMIC_FETCH_OR
,
384 GFC_ISYM_ATOMIC_FETCH_XOR
,
401 GFC_ISYM_CO_BROADCAST
,
406 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
407 GFC_ISYM_COMPILER_OPTIONS
,
408 GFC_ISYM_COMPILER_VERSION
,
419 GFC_ISYM_C_ASSOCIATED
,
420 GFC_ISYM_C_F_POINTER
,
421 GFC_ISYM_C_F_PROCPOINTER
,
425 GFC_ISYM_DATE_AND_TIME
,
430 GFC_ISYM_DOT_PRODUCT
,
439 GFC_ISYM_ERFC_SCALED
,
441 GFC_ISYM_EVENT_QUERY
,
442 GFC_ISYM_EXECUTE_COMMAND_LINE
,
446 GFC_ISYM_EXTENDS_TYPE_OF
,
447 GFC_ISYM_FAILED_IMAGES
,
449 GFC_ISYM_FE_RUNTIME_ERROR
,
467 GFC_ISYM_GET_COMMAND
,
468 GFC_ISYM_GET_COMMAND_ARGUMENT
,
471 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
493 GFC_ISYM_IMAGE_INDEX
,
494 GFC_ISYM_IMAGE_STATUS
,
503 GFC_ISYM_IS_CONTIGUOUS
,
504 GFC_ISYM_IS_IOSTAT_END
,
505 GFC_ISYM_IS_IOSTAT_EOR
,
540 GFC_ISYM_MAXEXPONENT
,
548 GFC_ISYM_MINEXPONENT
,
573 GFC_ISYM_RANDOM_INIT
,
574 GFC_ISYM_RANDOM_NUMBER
,
575 GFC_ISYM_RANDOM_SEED
,
585 GFC_ISYM_SAME_TYPE_AS
,
591 GFC_ISYM_SET_EXPONENT
,
612 GFC_ISYM_STOPPED_IMAGES
,
613 GFC_ISYM_STORAGE_SIZE
,
619 GFC_ISYM_SYSTEM_CLOCK
,
622 GFC_ISYM_TEAM_NUMBER
,
645 enum init_local_logical
647 GFC_INIT_LOGICAL_OFF
= 0,
648 GFC_INIT_LOGICAL_FALSE
,
649 GFC_INIT_LOGICAL_TRUE
652 enum init_local_character
654 GFC_INIT_CHARACTER_OFF
= 0,
655 GFC_INIT_CHARACTER_ON
658 enum init_local_integer
660 GFC_INIT_INTEGER_OFF
= 0,
672 enum gfc_param_spec_type
679 /************************* Structures *****************************/
681 /* Used for keeping things in balanced binary trees. */
682 #define BBT_HEADER(self) int priority; struct self *left, *right
684 #define NAMED_INTCST(a,b,c,d) a,
685 #define NAMED_KINDARRAY(a,b,c,d) a,
686 #define NAMED_FUNCTION(a,b,c,d) a,
687 #define NAMED_SUBROUTINE(a,b,c,d) a,
688 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
689 enum iso_fortran_env_symbol
691 ISOFORTRANENV_INVALID
= -1,
692 #include "iso-fortran-env.def"
693 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
696 #undef NAMED_KINDARRAY
697 #undef NAMED_FUNCTION
698 #undef NAMED_SUBROUTINE
699 #undef NAMED_DERIVED_TYPE
701 #define NAMED_INTCST(a,b,c,d) a,
702 #define NAMED_REALCST(a,b,c,d) a,
703 #define NAMED_CMPXCST(a,b,c,d) a,
704 #define NAMED_LOGCST(a,b,c) a,
705 #define NAMED_CHARKNDCST(a,b,c) a,
706 #define NAMED_CHARCST(a,b,c) a,
707 #define DERIVED_TYPE(a,b,c) a,
708 #define NAMED_FUNCTION(a,b,c,d) a,
709 #define NAMED_SUBROUTINE(a,b,c,d) a,
710 enum iso_c_binding_symbol
712 ISOCBINDING_INVALID
= -1,
713 #include "iso-c-binding.def"
715 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
721 #undef NAMED_CHARKNDCST
724 #undef NAMED_FUNCTION
725 #undef NAMED_SUBROUTINE
729 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
730 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
735 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
736 int value
; /* Used for both integer and character values. */
741 /* Array of structs, where the structs represent the C interop kinds.
742 The list will be implemented based on a hash of the kind name since
743 these could be accessed multiple times.
744 Declared in trans-types.c as a global, since it's in that file
745 that the list is initialized. */
746 extern CInteropKind_t c_interop_kinds_table
[];
749 /* Structure and list of supported extension attributes. */
752 EXT_ATTR_DLLIMPORT
= 0,
757 EXT_ATTR_NO_ARG_CHECK
,
758 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
766 const char *middle_end_name
;
770 extern const ext_attr_t ext_attr_list
[];
772 /* Symbol attribute structure. */
775 /* Variable attributes. */
776 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
777 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
778 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
779 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
780 contiguous
:1, fe_temp
: 1, automatic
: 1;
782 /* For CLASS containers, the pointer attribute is sometimes set internally
783 even though it was not directly specified. In this case, keep the
784 "real" (original) value here. */
785 unsigned class_pointer
:1;
787 ENUM_BITFIELD (save_state
) save
:2;
789 unsigned data
:1, /* Symbol is named in a DATA statement. */
790 is_protected
:1, /* Symbol has been marked as protected. */
791 use_assoc
:1, /* Symbol has been use-associated. */
792 used_in_submodule
:1, /* Symbol has been use-associated in a
793 submodule. Needed since these entities must
794 be set host associated to be compliant. */
795 use_only
:1, /* Symbol has been use-associated, with ONLY. */
796 use_rename
:1, /* Symbol has been use-associated and renamed. */
797 imported
:1, /* Symbol has been associated by IMPORT. */
798 host_assoc
:1; /* Symbol has been host associated. */
800 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
801 unsigned function
:1, subroutine
:1, procedure
:1;
802 unsigned generic
:1, generic_copy
:1;
803 unsigned implicit_type
:1; /* Type defined via implicit rules. */
804 unsigned untyped
:1; /* No implicit type could be found. */
806 unsigned is_bind_c
:1; /* say if is bound to C. */
807 unsigned extension
:8; /* extension level of a derived type. */
808 unsigned is_class
:1; /* is a CLASS container. */
809 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
810 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
811 unsigned vtype
:1; /* is a derived type of a vtab. */
813 /* These flags are both in the typespec and attribute. The attribute
814 list is what gets read from/written to a module file. The typespec
815 is created from a decl being processed. */
816 unsigned is_c_interop
:1; /* It's c interoperable. */
817 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
819 /* Function/subroutine attributes */
820 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
821 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
823 /* Set if this is a module function or subroutine. Note that it is an
824 attribute because it appears as a prefix in the declaration like
826 unsigned module_procedure
:1;
828 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
829 which is relevant for private module procedures. */
830 unsigned public_used
:1;
832 /* This is set if a contained procedure could be declared pure. This is
833 used for certain optimizations that require the result or arguments
834 cannot alias. Note that this is zero for PURE procedures. */
835 unsigned implicit_pure
:1;
837 /* This is set for a procedure that contains expressions referencing
838 arrays coming from outside its namespace.
839 This is used to force the creation of a temporary when the LHS of
840 an array assignment may be used by an elemental procedure appearing
842 unsigned array_outer_dependency
:1;
844 /* This is set if the subroutine doesn't return. Currently, this
845 is only possible for intrinsic subroutines. */
848 /* Set if this procedure is an alternate entry point. These procedures
849 don't have any code associated, and the backend will turn them into
850 thunks to the master function. */
853 /* Set if this is the master function for a procedure with multiple
855 unsigned entry_master
:1;
857 /* Set if this is the master function for a function with multiple
858 entry points where characteristics of the entry points differ. */
859 unsigned mixed_entry_master
:1;
861 /* Set if a function must always be referenced by an explicit interface. */
862 unsigned always_explicit
:1;
864 /* Set if the symbol is generated and, hence, standard violations
865 shouldn't be flaged. */
866 unsigned artificial
:1;
868 /* Set if the symbol has been referenced in an expression. No further
869 modification of type or type parameters is permitted. */
870 unsigned referenced
:1;
872 /* Set if this is the symbol for the main program. */
873 unsigned is_main_program
:1;
875 /* Mutually exclusive multibit attributes. */
876 ENUM_BITFIELD (gfc_access
) access
:2;
877 ENUM_BITFIELD (sym_intent
) intent
:2;
878 ENUM_BITFIELD (sym_flavor
) flavor
:4;
879 ENUM_BITFIELD (ifsrc
) if_source
:2;
881 ENUM_BITFIELD (procedure_type
) proc
:3;
883 /* Special attributes for Cray pointers, pointees. */
884 unsigned cray_pointer
:1, cray_pointee
:1;
886 /* The symbol is a derived type with allocatable components, pointer
887 components or private components, procedure pointer components,
888 possibly nested. zero_comp is true if the derived type has no
889 component at all. defined_assign_comp is true if the derived
890 type or a (sub-)component has a typebound defined assignment.
891 unlimited_polymorphic flags the type of the container for these
893 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
894 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
895 event_comp
:1, defined_assign_comp
:1, unlimited_polymorphic
:1,
896 has_dtio_procs
:1, caf_token
:1;
898 /* This is a temporary selector for SELECT TYPE/RANK or an associate
899 variable for SELECT TYPE/RANK or ASSOCIATE. */
900 unsigned select_type_temporary
:1, select_rank_temporary
:1, associate_var
:1;
902 /* These are the attributes required for parameterized derived
904 unsigned pdt_kind
:1, pdt_len
:1, pdt_type
:1, pdt_template
:1,
905 pdt_array
:1, pdt_string
:1;
907 /* This is omp_{out,in,priv,orig} artificial variable in
908 !$OMP DECLARE REDUCTION. */
909 unsigned omp_udr_artificial_var
:1;
911 /* Mentioned in OMP DECLARE TARGET. */
912 unsigned omp_declare_target
:1;
913 unsigned omp_declare_target_link
:1;
915 /* Mentioned in OACC DECLARE. */
916 unsigned oacc_declare_create
:1;
917 unsigned oacc_declare_copyin
:1;
918 unsigned oacc_declare_deviceptr
:1;
919 unsigned oacc_declare_device_resident
:1;
920 unsigned oacc_declare_link
:1;
922 /* OpenACC 'routine' directive's level of parallelism. */
923 ENUM_BITFIELD (oacc_routine_lop
) oacc_routine_lop
:3;
925 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
926 unsigned ext_attr
:EXT_ATTR_NUM
;
928 /* The namespace where the attribute has been set. */
929 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
934 /* We need to store source lines as sequences of multibyte source
935 characters. We define here a type wide enough to hold any multibyte
936 source character, just like libcpp does. A 32-bit type is enough. */
938 #if HOST_BITS_PER_INT >= 32
939 typedef unsigned int gfc_char_t
;
940 #elif HOST_BITS_PER_LONG >= 32
941 typedef unsigned long gfc_char_t
;
942 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
943 typedef unsigned long long gfc_char_t
;
945 # error "Cannot find an integer type with at least 32 bits"
949 /* The following three structures are used to identify a location in
952 gfc_file is used to maintain a tree of the source files and how
953 they include each other
955 gfc_linebuf holds a single line of source code and information
956 which file it resides in
958 locus point to the sourceline and the character in the source
962 typedef struct gfc_file
964 struct gfc_file
*next
, *up
;
965 int inclusion_line
, line
;
969 typedef struct gfc_linebuf
972 struct gfc_file
*file
;
973 struct gfc_linebuf
*next
;
981 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
983 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
991 /* In order for the "gfc" format checking to work correctly, you must
992 have declared a typedef locus first. */
993 #if GCC_VERSION >= 4001
994 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
996 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
1000 /* Suppress error messages or re-enable them. */
1002 void gfc_push_suppress_errors (void);
1003 void gfc_pop_suppress_errors (void);
1006 /* Character length structures hold the expression that gives the
1007 length of a character variable. We avoid putting these into
1008 gfc_typespec because doing so prevents us from doing structure
1009 copies and forces us to deallocate any typespecs we create, as well
1010 as structures that contain typespecs. They also can have multiple
1011 character typespecs pointing to them.
1013 These structures form a singly linked list within the current
1014 namespace and are deallocated with the namespace. It is possible to
1015 end up with gfc_charlen structures that have nothing pointing to them. */
1017 typedef struct gfc_charlen
1019 struct gfc_expr
*length
;
1020 struct gfc_charlen
*next
;
1021 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
1023 tree passed_length
; /* Length argument explicitly passed. */
1029 #define gfc_get_charlen() XCNEW (gfc_charlen)
1031 /* Type specification structure. */
1039 struct gfc_symbol
*derived
; /* For derived types only. */
1040 gfc_charlen
*cl
; /* For character types only. */
1041 int pad
; /* For hollerith types only. */
1045 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1050 gfc_symbol
*interop_kind
;
1054 /* Array specification. */
1057 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1059 array_type type
, cotype
;
1060 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1062 /* These two fields are used with the Cray Pointer extension. */
1063 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1064 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1065 AS_EXPLICIT, but we want to remember that we
1072 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1075 /* Components of derived types. */
1076 typedef struct gfc_component
1081 symbol_attribute attr
;
1085 /* Used to cache a FIELD_DECL matching this same component
1086 but applied to a different backend containing type that was
1087 generated by gfc_nonrestricted_type. */
1088 tree norestrict_decl
;
1090 struct gfc_expr
*initializer
;
1091 /* Used in parameterized derived type declarations to store parameterized
1092 kind expressions. */
1093 struct gfc_expr
*kind_expr
;
1094 struct gfc_actual_arglist
*param_list
;
1096 struct gfc_component
*next
;
1098 /* Needed for procedure pointer components. */
1099 struct gfc_typebound_proc
*tb
;
1100 /* When allocatable/pointer and in a coarray the associated token. */
1106 #define gfc_get_component() XCNEW (gfc_component)
1108 /* Formal argument lists are lists of symbols. */
1109 typedef struct gfc_formal_arglist
1111 /* Symbol representing the argument at this position in the arglist. */
1112 struct gfc_symbol
*sym
;
1113 /* Points to the next formal argument. */
1114 struct gfc_formal_arglist
*next
;
1118 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1121 /* The gfc_actual_arglist structure is for actual arguments and
1122 for type parameter specification lists. */
1123 typedef struct gfc_actual_arglist
1126 /* Alternate return label when the expr member is null. */
1127 struct gfc_st_label
*label
;
1129 /* This is set to the type of an eventual omitted optional
1130 argument. This is used to determine if a hidden string length
1131 argument has to be added to a function call. */
1132 bt missing_arg_type
;
1134 gfc_param_spec_type spec_type
;
1136 struct gfc_expr
*expr
;
1137 struct gfc_actual_arglist
*next
;
1141 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1144 /* Because a symbol can belong to multiple namelists, they must be
1145 linked externally to the symbol itself. */
1146 typedef struct gfc_namelist
1148 struct gfc_symbol
*sym
;
1149 struct gfc_namelist
*next
;
1153 #define gfc_get_namelist() XCNEW (gfc_namelist)
1155 /* Likewise to gfc_namelist, but contains expressions. */
1156 typedef struct gfc_expr_list
1158 struct gfc_expr
*expr
;
1159 struct gfc_expr_list
*next
;
1163 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1165 enum gfc_omp_reduction_op
1167 OMP_REDUCTION_NONE
= -1,
1168 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1169 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1170 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1171 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1172 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1173 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1174 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1175 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1183 enum gfc_omp_depend_op
1188 OMP_DEPEND_SINK_FIRST
,
1202 OMP_MAP_FORCE_ALLOC
,
1205 OMP_MAP_FORCE_TOFROM
,
1206 OMP_MAP_FORCE_PRESENT
,
1207 OMP_MAP_FORCE_DEVICEPTR
,
1208 OMP_MAP_DEVICE_RESIDENT
,
1212 OMP_MAP_ALWAYS_FROM
,
1213 OMP_MAP_ALWAYS_TOFROM
1216 enum gfc_omp_linear_op
1224 /* For use in OpenMP clauses in case we need extra information
1225 (aligned clause alignment, linear clause step, etc.). */
1227 typedef struct gfc_omp_namelist
1229 struct gfc_symbol
*sym
;
1230 struct gfc_expr
*expr
;
1233 gfc_omp_reduction_op reduction_op
;
1234 gfc_omp_depend_op depend_op
;
1235 gfc_omp_map_op map_op
;
1236 gfc_omp_linear_op linear_op
;
1237 struct gfc_common_head
*common
;
1239 struct gfc_omp_namelist_udr
*udr
;
1240 struct gfc_omp_namelist
*next
;
1245 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1250 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1251 OMP_LIST_FIRSTPRIVATE
,
1252 OMP_LIST_LASTPRIVATE
,
1253 OMP_LIST_COPYPRIVATE
,
1264 OMP_LIST_DEVICE_RESIDENT
,
1266 OMP_LIST_USE_DEVICE
,
1268 OMP_LIST_IS_DEVICE_PTR
,
1269 OMP_LIST_USE_DEVICE_PTR
,
1270 OMP_LIST_USE_DEVICE_ADDR
,
1274 /* Because a symbol can belong to multiple namelists, they must be
1275 linked externally to the symbol itself. */
1277 enum gfc_omp_sched_kind
1287 enum gfc_omp_default_sharing
1289 OMP_DEFAULT_UNKNOWN
,
1291 OMP_DEFAULT_PRIVATE
,
1293 OMP_DEFAULT_FIRSTPRIVATE
,
1297 enum gfc_omp_proc_bind_kind
1299 OMP_PROC_BIND_UNKNOWN
,
1300 OMP_PROC_BIND_MASTER
,
1301 OMP_PROC_BIND_SPREAD
,
1305 enum gfc_omp_cancel_kind
1308 OMP_CANCEL_PARALLEL
,
1309 OMP_CANCEL_SECTIONS
,
1311 OMP_CANCEL_TASKGROUP
1314 enum gfc_omp_if_kind
1321 OMP_IF_TARGET_UPDATE
,
1322 OMP_IF_TARGET_ENTER_DATA
,
1323 OMP_IF_TARGET_EXIT_DATA
,
1327 typedef struct gfc_omp_clauses
1329 struct gfc_expr
*if_expr
;
1330 struct gfc_expr
*final_expr
;
1331 struct gfc_expr
*num_threads
;
1332 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1333 enum gfc_omp_sched_kind sched_kind
;
1334 struct gfc_expr
*chunk_size
;
1335 enum gfc_omp_default_sharing default_sharing
;
1336 int collapse
, orderedc
;
1337 bool nowait
, ordered
, untied
, mergeable
;
1338 bool inbranch
, notinbranch
, defaultmap
, nogroup
;
1339 bool sched_simd
, sched_monotonic
, sched_nonmonotonic
;
1340 bool simd
, threads
, depend_source
;
1341 enum gfc_omp_cancel_kind cancel
;
1342 enum gfc_omp_proc_bind_kind proc_bind
;
1343 struct gfc_expr
*safelen_expr
;
1344 struct gfc_expr
*simdlen_expr
;
1345 struct gfc_expr
*num_teams
;
1346 struct gfc_expr
*device
;
1347 struct gfc_expr
*thread_limit
;
1348 struct gfc_expr
*grainsize
;
1349 struct gfc_expr
*hint
;
1350 struct gfc_expr
*num_tasks
;
1351 struct gfc_expr
*priority
;
1352 struct gfc_expr
*if_exprs
[OMP_IF_LAST
];
1353 enum gfc_omp_sched_kind dist_sched_kind
;
1354 struct gfc_expr
*dist_chunk_size
;
1355 const char *critical_name
;
1358 struct gfc_expr
*async_expr
;
1359 struct gfc_expr
*gang_static_expr
;
1360 struct gfc_expr
*gang_num_expr
;
1361 struct gfc_expr
*worker_expr
;
1362 struct gfc_expr
*vector_expr
;
1363 struct gfc_expr
*num_gangs_expr
;
1364 struct gfc_expr
*num_workers_expr
;
1365 struct gfc_expr
*vector_length_expr
;
1366 gfc_expr_list
*wait_list
;
1367 gfc_expr_list
*tile_list
;
1368 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1369 unsigned par_auto
:1, gang_static
:1;
1370 unsigned if_present
:1, finalize
:1;
1376 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1379 /* Node in the linked list used for storing !$oacc declare constructs. */
1381 typedef struct gfc_oacc_declare
1383 struct gfc_oacc_declare
*next
;
1385 gfc_omp_clauses
*clauses
;
1390 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1393 /* Node in the linked list used for storing !$omp declare simd constructs. */
1395 typedef struct gfc_omp_declare_simd
1397 struct gfc_omp_declare_simd
*next
;
1398 locus where
; /* Where the !$omp declare simd construct occurred. */
1400 gfc_symbol
*proc_name
;
1402 gfc_omp_clauses
*clauses
;
1404 gfc_omp_declare_simd
;
1405 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1407 typedef struct gfc_omp_udr
1409 struct gfc_omp_udr
*next
;
1410 locus where
; /* Where the !$omp declare reduction construct occurred. */
1414 gfc_omp_reduction_op rop
;
1416 struct gfc_symbol
*omp_out
;
1417 struct gfc_symbol
*omp_in
;
1418 struct gfc_namespace
*combiner_ns
;
1420 struct gfc_symbol
*omp_priv
;
1421 struct gfc_symbol
*omp_orig
;
1422 struct gfc_namespace
*initializer_ns
;
1425 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1427 typedef struct gfc_omp_namelist_udr
1429 struct gfc_omp_udr
*udr
;
1430 struct gfc_code
*combiner
;
1431 struct gfc_code
*initializer
;
1433 gfc_omp_namelist_udr
;
1434 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1436 /* The gfc_st_label structure is a BBT attached to a namespace that
1437 records the usage of statement labels within that space. */
1439 typedef struct gfc_st_label
1441 BBT_HEADER(gfc_st_label
);
1445 gfc_sl_type defined
, referenced
;
1447 struct gfc_expr
*format
;
1458 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1459 typedef struct gfc_interface
1461 struct gfc_symbol
*sym
;
1463 struct gfc_interface
*next
;
1467 #define gfc_get_interface() XCNEW (gfc_interface)
1469 /* User operator nodes. These are like stripped down symbols. */
1475 struct gfc_namespace
*ns
;
1481 /* A list of specific bindings that are associated with a generic spec. */
1482 typedef struct gfc_tbp_generic
1484 /* The parser sets specific_st, upon resolution we look for the corresponding
1485 gfc_typebound_proc and set specific for further use. */
1486 struct gfc_symtree
* specific_st
;
1487 struct gfc_typebound_proc
* specific
;
1489 struct gfc_tbp_generic
* next
;
1494 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1497 /* Data needed for type-bound procedures. */
1498 typedef struct gfc_typebound_proc
1500 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1504 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1505 gfc_tbp_generic
* generic
;
1510 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1512 /* The overridden type-bound proc (or GENERIC with this name in the
1513 parent-type) or NULL if non. */
1514 struct gfc_typebound_proc
* overridden
;
1516 /* Once resolved, we use the position of pass_arg in the formal arglist of
1517 the binding-target procedure to identify it. The first argument has
1518 number 1 here, the second 2, and so on. */
1519 unsigned pass_arg_num
;
1521 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1522 unsigned non_overridable
:1;
1523 unsigned deferred
:1;
1524 unsigned is_generic
:1;
1525 unsigned function
:1, subroutine
:1;
1526 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1532 /* Symbol nodes. These are important things. They are what the
1533 standard refers to as "entities". The possibly multiple names that
1534 refer to the same entity are accomplished by a binary tree of
1535 symtree structures that is balanced by the red-black method-- more
1536 than one symtree node can point to any given symbol. */
1538 typedef struct gfc_symbol
1540 const char *name
; /* Primary name, before renaming */
1541 const char *module
; /* Module this symbol came from */
1545 symbol_attribute attr
;
1547 /* The formal member points to the formal argument list if the
1548 symbol is a function or subroutine name. If the symbol is a
1549 generic name, the generic member points to the list of
1552 gfc_interface
*generic
;
1553 gfc_access component_access
;
1555 gfc_formal_arglist
*formal
;
1556 struct gfc_namespace
*formal_ns
;
1557 struct gfc_namespace
*f2k_derived
;
1559 /* List of PDT parameter expressions */
1560 struct gfc_actual_arglist
*param_list
;
1562 struct gfc_expr
*value
; /* Parameter/Initializer value */
1564 struct gfc_symbol
*result
; /* function result symbol */
1565 gfc_component
*components
; /* Derived type components */
1567 /* Defined only for Cray pointees; points to their pointer. */
1568 struct gfc_symbol
*cp_pointer
;
1570 int entry_id
; /* Used in resolve.c for entries. */
1572 /* CLASS hashed name for declared and dynamic types in the class. */
1575 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1577 /* This is only used for pointer comparisons to check if symbols
1578 are in the same common block.
1579 In opposition to common_block, the common_head pointer takes into account
1580 equivalences: if A is in a common block C and A and B are in equivalence,
1581 then both A and B have common_head pointing to C, while A's common_block
1582 points to C and B's is NULL. */
1583 struct gfc_common_head
* common_head
;
1585 /* Make sure setup code for dummy arguments is generated in the correct
1589 gfc_namelist
*namelist
, *namelist_tail
;
1591 /* Change management fields. Symbols that might be modified by the
1592 current statement have the mark member nonzero. Of these symbols,
1593 symbols with old_symbol equal to NULL are symbols created within
1594 the current statement. Otherwise, old_symbol points to a copy of
1595 the old symbol. gfc_new is used in symbol.c to flag new symbols. */
1596 struct gfc_symbol
*old_symbol
;
1597 unsigned mark
:1, gfc_new
:1;
1599 /* The tlink field is used in the front end to carry the module
1600 declaration of separate module procedures so that the characteristics
1601 can be compared with the corresponding declaration in a submodule. In
1602 translation this field carries a linked list of symbols that require
1603 deferred initialization. */
1604 struct gfc_symbol
*tlink
;
1606 /* Nonzero if all equivalences associated with this symbol have been
1608 unsigned equiv_built
:1;
1609 /* Set if this variable is used as an index name in a FORALL. */
1610 unsigned forall_index
:1;
1611 /* Set if the symbol is used in a function result specification . */
1612 unsigned fn_result_spec
:1;
1613 /* Used to avoid multiple resolutions of a single symbol. */
1614 unsigned resolved
:1;
1615 /* Set if this is a module function or subroutine with the
1616 abreviated declaration in a submodule. */
1617 unsigned abr_modproc_decl
:1;
1618 /* Set if a previous error or warning has occurred and no other
1619 should be reported. */
1621 /* Set if the dummy argument of a procedure could be an array despite
1622 being called with a scalar actual argument. */
1623 unsigned maybe_array
:1;
1626 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1630 /* Identity of the intrinsic module the symbol comes from, or
1631 INTMOD_NONE if it's not imported from a intrinsic module. */
1632 intmod_id from_intmod
;
1633 /* Identity of the symbol from intrinsic modules, from enums maintained
1634 separately by each intrinsic module. Used together with from_intmod,
1635 it uniquely identifies a symbol from an intrinsic module. */
1638 /* This may be repetitive, since the typespec now has a binding
1640 const char* binding_label
;
1641 /* Store a reference to the common_block, if this symbol is in one. */
1642 struct gfc_common_head
*common_block
;
1644 /* Link to corresponding association-list if this is an associate name. */
1645 struct gfc_association_list
*assoc
;
1647 /* Link to next entry in derived type list */
1648 struct gfc_symbol
*dt_next
;
1653 struct gfc_undo_change_set
1655 vec
<gfc_symbol
*> syms
;
1656 vec
<gfc_typebound_proc
*> tbps
;
1657 gfc_undo_change_set
*previous
;
1661 /* This structure is used to keep track of symbols in common blocks. */
1662 typedef struct gfc_common_head
1665 char use_assoc
, saved
, threadprivate
;
1666 unsigned char omp_declare_target
: 1;
1667 unsigned char omp_declare_target_link
: 1;
1668 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1669 struct gfc_symbol
*head
;
1670 const char* binding_label
;
1676 #define gfc_get_common_head() XCNEW (gfc_common_head)
1679 /* A list of all the alternate entry points for a procedure. */
1681 typedef struct gfc_entry_list
1683 /* The symbol for this entry point. */
1685 /* The zero-based id of this entry point. */
1687 /* The LABEL_EXPR marking this entry point. */
1689 /* The next item in the list. */
1690 struct gfc_entry_list
*next
;
1694 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1696 /* Lists of rename info for the USE statement. */
1698 typedef struct gfc_use_rename
1700 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1701 struct gfc_use_rename
*next
;
1703 gfc_intrinsic_op op
;
1708 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1710 /* A list of all USE statements in a namespace. */
1712 typedef struct gfc_use_list
1714 const char *module_name
;
1715 const char *submodule_name
;
1719 struct gfc_use_rename
*rename
;
1721 /* Next USE statement. */
1722 struct gfc_use_list
*next
;
1726 #define gfc_get_use_list() XCNEW (gfc_use_list)
1728 /* Within a namespace, symbols are pointed to by symtree nodes that
1729 are linked together in a balanced binary tree. There can be
1730 several symtrees pointing to the same symbol node via USE
1733 typedef struct gfc_symtree
1735 BBT_HEADER (gfc_symtree
);
1740 gfc_symbol
*sym
; /* Symbol associated with this node */
1742 gfc_common_head
*common
;
1743 gfc_typebound_proc
*tb
;
1744 gfc_omp_udr
*omp_udr
;
1750 /* A list of all derived types. */
1751 extern gfc_symbol
*gfc_derived_types
;
1753 typedef struct gfc_oacc_routine_name
1755 struct gfc_symbol
*sym
;
1756 struct gfc_omp_clauses
*clauses
;
1757 struct gfc_oacc_routine_name
*next
;
1760 gfc_oacc_routine_name
;
1762 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1764 /* A namespace describes the contents of procedure, module, interface block
1765 or BLOCK construct. */
1766 /* ??? Anything else use these? */
1768 typedef struct gfc_namespace
1770 /* Tree containing all the symbols in this namespace. */
1771 gfc_symtree
*sym_root
;
1772 /* Tree containing all the user-defined operators in the namespace. */
1773 gfc_symtree
*uop_root
;
1774 /* Tree containing all the common blocks. */
1775 gfc_symtree
*common_root
;
1776 /* Tree containing all the OpenMP user defined reductions. */
1777 gfc_symtree
*omp_udr_root
;
1779 /* Tree containing type-bound procedures. */
1780 gfc_symtree
*tb_sym_root
;
1781 /* Type-bound user operators. */
1782 gfc_symtree
*tb_uop_root
;
1783 /* For derived-types, store type-bound intrinsic operators here. */
1784 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1785 /* Linked list of finalizer procedures. */
1786 struct gfc_finalizer
*finalizers
;
1788 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1789 int set_flag
[GFC_LETTERS
];
1790 /* Keeps track of the implicit types associated with the letters. */
1791 gfc_typespec default_type
[GFC_LETTERS
];
1792 /* Store the positions of IMPLICIT statements. */
1793 locus implicit_loc
[GFC_LETTERS
];
1795 /* If this is a namespace of a procedure, this points to the procedure. */
1796 struct gfc_symbol
*proc_name
;
1797 /* If this is the namespace of a unit which contains executable
1798 code, this points to it. */
1799 struct gfc_code
*code
;
1801 /* Points to the equivalences set up in this namespace. */
1802 struct gfc_equiv
*equiv
, *old_equiv
;
1804 /* Points to the equivalence groups produced by trans_common. */
1805 struct gfc_equiv_list
*equiv_lists
;
1807 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1809 /* Points to the parent namespace, i.e. the namespace of a module or
1810 procedure in which the procedure belonging to this namespace is
1811 contained. The parent namespace points to this namespace either
1812 directly via CONTAINED, or indirectly via the chain built by
1814 struct gfc_namespace
*parent
;
1815 /* CONTAINED points to the first contained namespace. Sibling
1816 namespaces are chained via SIBLING. */
1817 struct gfc_namespace
*contained
, *sibling
;
1819 gfc_common_head blank_common
;
1820 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1822 gfc_st_label
*st_labels
;
1823 /* This list holds information about all the data initializers in
1825 struct gfc_data
*data
, *old_data
;
1827 /* !$ACC DECLARE. */
1828 gfc_oacc_declare
*oacc_declare
;
1830 /* !$ACC ROUTINE clauses. */
1831 gfc_omp_clauses
*oacc_routine_clauses
;
1833 /* !$ACC ROUTINE names. */
1834 gfc_oacc_routine_name
*oacc_routine_names
;
1836 gfc_charlen
*cl_list
;
1838 gfc_symbol
*derived_types
;
1840 int save_all
, seen_save
, seen_implicit_none
;
1842 /* Normally we don't need to refcount namespaces. However when we read
1843 a module containing a function with multiple entry points, this
1844 will appear as several functions with the same formal namespace. */
1847 /* A list of all alternate entry points to this procedure (or NULL). */
1848 gfc_entry_list
*entries
;
1850 /* A list of USE statements in this namespace. */
1851 gfc_use_list
*use_stmts
;
1853 /* Linked list of !$omp declare simd constructs. */
1854 struct gfc_omp_declare_simd
*omp_declare_simd
;
1856 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1857 unsigned is_block_data
:1;
1859 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1860 unsigned has_import_set
:1;
1862 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1863 unsigned has_implicit_none_export
:1;
1865 /* Set to 1 if resolved has been called for this namespace.
1866 Holds -1 during resolution. */
1869 /* Set when resolve_types has been called for this namespace. */
1870 unsigned types_resolved
:1;
1872 /* Set to 1 if code has been generated for this namespace. */
1873 unsigned translated
:1;
1875 /* Set to 1 if symbols in this namespace should be 'construct entities',
1876 i.e. for BLOCK local variables. */
1877 unsigned construct_entities
:1;
1879 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1880 unsigned omp_udr_ns
:1;
1882 /* Set to 1 for !$ACC ROUTINE namespaces. */
1883 unsigned oacc_routine
:1;
1885 /* Set to 1 if there are any calls to procedures with implicit interface. */
1886 unsigned implicit_interface_calls
:1;
1890 extern gfc_namespace
*gfc_current_ns
;
1891 extern gfc_namespace
*gfc_global_ns_list
;
1893 /* Global symbols are symbols of global scope. Currently we only use
1894 this to detect collisions already when parsing.
1895 TODO: Extend to verify procedure calls. */
1897 enum gfc_symbol_type
1899 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1900 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1903 typedef struct gfc_gsymbol
1905 BBT_HEADER(gfc_gsymbol
);
1908 const char *sym_name
;
1909 const char *mod_name
;
1910 const char *binding_label
;
1911 enum gfc_symbol_type type
;
1920 extern gfc_gsymbol
*gfc_gsym_root
;
1922 /* Information on interfaces being built. */
1925 interface_type type
;
1929 gfc_intrinsic_op op
;
1933 extern gfc_interface_info current_interface
;
1936 /* Array reference. */
1938 enum gfc_array_ref_dimen_type
1940 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1943 typedef struct gfc_array_ref
1946 int dimen
; /* # of components in the reference */
1948 bool in_allocate
; /* For coarray checks. */
1954 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1955 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1956 *stride
[GFC_MAX_DIMENSIONS
];
1958 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1962 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1965 /* Component reference nodes. A variable is stored as an expression
1966 node that points to the base symbol. After that, a singly linked
1967 list of component reference nodes gives the variable's complete
1968 resolution. The array_ref component may be present and comes
1969 before the component component. */
1972 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
, REF_INQUIRY
};
1975 { INQUIRY_RE
, INQUIRY_IM
, INQUIRY_KIND
, INQUIRY_LEN
};
1977 typedef struct gfc_ref
1983 struct gfc_array_ref ar
;
1987 gfc_component
*component
;
1994 struct gfc_expr
*start
, *end
; /* Substring */
1995 gfc_charlen
*length
;
2004 struct gfc_ref
*next
;
2008 #define gfc_get_ref() XCNEW (gfc_ref)
2011 /* Structures representing intrinsic symbols and their arguments lists. */
2012 typedef struct gfc_intrinsic_arg
2014 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2017 unsigned optional
:1, value
:1;
2018 ENUM_BITFIELD (sym_intent
) intent
:2;
2019 gfc_actual_arglist
*actual
;
2021 struct gfc_intrinsic_arg
*next
;
2027 /* Specifies the various kinds of check functions used to verify the
2028 argument lists of intrinsic functions. fX with X an integer refer
2029 to check functions of intrinsics with X arguments. f1m is used for
2030 the MAX and MIN intrinsics which can have an arbitrary number of
2031 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2032 these have special semantics. */
2037 bool (*f1
)(struct gfc_expr
*);
2038 bool (*f1m
)(gfc_actual_arglist
*);
2039 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2040 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2041 bool (*f5ml
)(gfc_actual_arglist
*);
2042 bool (*f6fl
)(gfc_actual_arglist
*);
2043 bool (*f3red
)(gfc_actual_arglist
*);
2044 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2046 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2047 struct gfc_expr
*, struct gfc_expr
*);
2051 /* Like gfc_check_f, these specify the type of the simplification
2052 function associated with an intrinsic. The fX are just like in
2053 gfc_check_f. cc is used for type conversion functions. */
2057 struct gfc_expr
*(*f0
)(void);
2058 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
2059 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2060 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
2062 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
2063 struct gfc_expr
*, struct gfc_expr
*);
2064 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
2065 struct gfc_expr
*, struct gfc_expr
*,
2067 struct gfc_expr
*(*f6
)(struct gfc_expr
*, struct gfc_expr
*,
2068 struct gfc_expr
*, struct gfc_expr
*,
2069 struct gfc_expr
*, struct gfc_expr
*);
2070 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
2074 /* Again like gfc_check_f, these specify the type of the resolution
2075 function associated with an intrinsic. The fX are just like in
2076 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2080 void (*f0
)(struct gfc_expr
*);
2081 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
2082 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
2083 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2084 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2086 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2087 struct gfc_expr
*, struct gfc_expr
*);
2088 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2089 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2090 void (*f6
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2091 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2093 void (*s1
)(struct gfc_code
*);
2098 typedef struct gfc_intrinsic_sym
2100 const char *name
, *lib_name
;
2101 gfc_intrinsic_arg
*formal
;
2103 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
2104 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
2105 from_module
:1, vararg
:1;
2109 gfc_simplify_f simplify
;
2111 gfc_resolve_f resolve
;
2112 struct gfc_intrinsic_sym
*specific_head
, *next
;
2119 /* Expression nodes. The expression node types deserve explanations,
2120 since the last couple can be easily misconstrued:
2122 EXPR_OP Operator node pointing to one or two other nodes
2123 EXPR_FUNCTION Function call, symbol points to function's name
2124 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2125 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2126 which expresses structure, array and substring refs.
2127 EXPR_NULL The NULL pointer value (which also has a basic type).
2128 EXPR_SUBSTRING A substring of a constant string
2129 EXPR_STRUCTURE A structure constructor
2130 EXPR_ARRAY An array constructor.
2131 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2132 component or type-bound procedure. */
2136 #define GFC_RND_MODE MPFR_RNDN
2137 #define GFC_MPC_RND_MODE MPC_RNDNN
2139 typedef splay_tree gfc_constructor_base
;
2142 /* This should be an unsigned variable of type size_t. But to handle
2143 compiling to a 64-bit target from a 32-bit host, we need to use a
2144 HOST_WIDE_INT. Also, occasionally the string length field is used
2145 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2146 So it needs to be signed. */
2147 typedef HOST_WIDE_INT gfc_charlen_t
;
2149 typedef struct gfc_expr
2153 gfc_typespec ts
; /* These two refer to the overall expression */
2155 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
2156 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
2158 /* Nonnull for functions and structure constructors, may also used to hold the
2159 base-object for component calls. */
2160 gfc_symtree
*symtree
;
2166 /* Used to store the base expression in component calls, when the expression
2167 is not a variable. */
2168 struct gfc_expr
*base_expr
;
2170 /* is_snan denotes a signalling not-a-number. */
2171 unsigned int is_snan
: 1;
2173 /* Sometimes, when an error has been emitted, it is necessary to prevent
2174 it from recurring. */
2175 unsigned int error
: 1;
2177 /* Mark an expression where a user operator has been substituted by
2178 a function call in interface.c(gfc_extend_expr). */
2179 unsigned int user_operator
: 1;
2181 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2182 unsigned int mold
: 1;
2184 /* Will require finalization after use. */
2185 unsigned int must_finalize
: 1;
2187 /* Set this if no range check should be performed on this expression. */
2189 unsigned int no_bounds_check
: 1;
2191 /* Set this if a matmul expression has already been evaluated for conversion
2194 unsigned int external_blas
: 1;
2196 /* Set this if resolution has already happened. It could be harmful
2199 unsigned int do_not_resolve_again
: 1;
2201 /* Set this if no warning should be given somewhere in a lower level. */
2203 unsigned int do_not_warn
: 1;
2205 /* Set this if the expression came from expanding an array constructor. */
2206 unsigned int from_constructor
: 1;
2208 /* If an expression comes from a Hollerith constant or compile-time
2209 evaluation of a transfer statement, it may have a prescribed target-
2210 memory representation, and these cannot always be backformed from
2214 gfc_charlen_t length
;
2221 int len
; /* Length of BOZ string without terminating NULL. */
2222 int rdx
; /* Radix of BOZ. */
2223 char *str
; /* BOZ string with NULL terminating character. */
2241 gfc_intrinsic_op op
;
2243 struct gfc_expr
*op1
, *op2
;
2249 gfc_actual_arglist
*actual
;
2250 const char *name
; /* Points to the ultimate name of the function */
2251 gfc_intrinsic_sym
*isym
;
2258 gfc_actual_arglist
* actual
;
2260 /* Base-object, whose component was called. NULL means that it should
2261 be taken from symtree/ref. */
2262 struct gfc_expr
* base_object
;
2263 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2265 /* For type-bound operators, we want to call PASS procedures but already
2266 have the full arglist; mark this, so that it is not extended by the
2268 unsigned ignore_pass
:1;
2270 /* Do assign-calls rather than calls, that is appropriate dependency
2278 gfc_charlen_t length
;
2283 gfc_constructor_base constructor
;
2287 /* Used to store PDT expression lists associated with expressions. */
2288 gfc_actual_arglist
*param_list
;
2294 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2296 /* Structures for information associated with different kinds of
2297 numbers. The first set of integer parameters define all there is
2298 to know about a particular kind. The rest of the elements are
2299 computed from the first elements. */
2303 /* Values really representable by the target. */
2304 mpz_t huge
, pedantic_min_int
, min_int
;
2306 int kind
, radix
, digits
, bit_size
, range
;
2308 /* True if the C type of the given name maps to this precision.
2309 Note that more than one bit can be set. */
2310 unsigned int c_char
: 1;
2311 unsigned int c_short
: 1;
2312 unsigned int c_int
: 1;
2313 unsigned int c_long
: 1;
2314 unsigned int c_long_long
: 1;
2318 extern gfc_integer_info gfc_integer_kinds
[];
2325 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2326 unsigned int c_bool
: 1;
2330 extern gfc_logical_info gfc_logical_kinds
[];
2335 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2336 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2337 int range
, precision
;
2339 /* The precision of the type as reported by GET_MODE_PRECISION. */
2342 /* True if the C type of the given name maps to this precision.
2343 Note that more than one bit can be set. */
2344 unsigned int c_float
: 1;
2345 unsigned int c_double
: 1;
2346 unsigned int c_long_double
: 1;
2347 unsigned int c_float128
: 1;
2351 extern gfc_real_info gfc_real_kinds
[];
2360 extern gfc_character_info gfc_character_kinds
[];
2363 /* Equivalence structures. Equivalent lvalues are linked along the
2364 *eq pointer, equivalence sets are strung along the *next node. */
2365 typedef struct gfc_equiv
2367 struct gfc_equiv
*next
, *eq
;
2374 #define gfc_get_equiv() XCNEW (gfc_equiv)
2376 /* Holds a single equivalence member after processing. */
2377 typedef struct gfc_equiv_info
2380 HOST_WIDE_INT offset
;
2381 HOST_WIDE_INT length
;
2382 struct gfc_equiv_info
*next
;
2385 /* Holds equivalence groups, after they have been processed. */
2386 typedef struct gfc_equiv_list
2388 gfc_equiv_info
*equiv
;
2389 struct gfc_equiv_list
*next
;
2392 /* gfc_case stores the selector list of a case statement. The *low
2393 and *high pointers can point to the same expression in the case of
2394 a single value. If *high is NULL, the selection is from *low
2395 upwards, if *low is NULL the selection is *high downwards.
2397 This structure has separate fields to allow single and double linked
2398 lists of CASEs at the same time. The singe linked list along the NEXT
2399 field is a list of cases for a single CASE label. The double linked
2400 list along the LEFT/RIGHT fields is used to detect overlap and to
2401 build a table of the cases for SELECT constructs with a CHARACTER
2404 typedef struct gfc_case
2406 /* Where we saw this case. */
2410 /* Case range values. If (low == high), it's a single value. If one of
2411 the labels is NULL, it's an unbounded case. If both are NULL, this
2412 represents the default case. */
2413 gfc_expr
*low
, *high
;
2415 /* Only used for SELECT TYPE. */
2418 /* Next case label in the list of cases for a single CASE label. */
2419 struct gfc_case
*next
;
2421 /* Used for detecting overlap, and for code generation. */
2422 struct gfc_case
*left
, *right
;
2424 /* True if this case label can never be matched. */
2429 #define gfc_get_case() XCNEW (gfc_case)
2434 gfc_expr
*var
, *start
, *end
, *step
;
2435 unsigned short unroll
;
2442 #define gfc_get_iterator() XCNEW (gfc_iterator)
2445 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2447 typedef struct gfc_alloc
2450 struct gfc_alloc
*next
;
2454 #define gfc_get_alloc() XCNEW (gfc_alloc)
2459 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2460 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2461 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
,
2471 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2479 gfc_expr
*unit
, *iostat
, *iomsg
;
2487 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2488 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2489 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2490 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2491 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2492 *iqstream
, *share
, *cc
;
2502 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2503 gfc_st_label
*err
, *end
, *eor
;
2510 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2511 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2512 *sign
, *extra_comma
, *dt_io_kind
, *udtio
;
2515 gfc_symbol
*namelist
;
2516 /* A format_label of `format_asterisk' indicates the "*" format */
2517 gfc_st_label
*format_label
;
2518 gfc_st_label
*err
, *end
, *eor
;
2520 locus eor_where
, end_where
, err_where
;
2525 typedef struct gfc_forall_iterator
2527 gfc_expr
*var
, *start
, *end
, *stride
;
2528 struct gfc_forall_iterator
*next
;
2530 gfc_forall_iterator
;
2533 /* Linked list to store associations in an ASSOCIATE statement. */
2535 typedef struct gfc_association_list
2537 struct gfc_association_list
*next
;
2539 /* Whether this is association to a variable that can be changed; otherwise,
2540 it's association to an expression and the name may not be used as
2542 unsigned variable
:1;
2544 /* True if this struct is currently only linked to from a gfc_symbol rather
2545 than as part of a real list in gfc_code->ext.block.assoc. This may
2546 happen for SELECT TYPE temporaries and must be considered
2547 for memory handling. */
2548 unsigned dangling
:1;
2550 /* True when the rank of the target expression is guessed during parsing. */
2551 unsigned rankguessed
:1;
2553 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2554 gfc_symtree
*st
; /* Symtree corresponding to name. */
2559 gfc_association_list
;
2560 #define gfc_get_association_list() XCNEW (gfc_association_list)
2563 /* Executable statements that fill gfc_code structures. */
2566 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2567 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2568 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2569 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2570 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2571 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2572 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2573 EXEC_SELECT_TYPE
, EXEC_SELECT_RANK
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
,
2574 EXEC_SYNC_IMAGES
, EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2575 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2576 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2577 EXEC_FORM_TEAM
, EXEC_CHANGE_TEAM
, EXEC_END_TEAM
, EXEC_SYNC_TEAM
,
2578 EXEC_LOCK
, EXEC_UNLOCK
, EXEC_EVENT_POST
, EXEC_EVENT_WAIT
, EXEC_FAIL_IMAGE
,
2579 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
, EXEC_OACC_SERIAL_LOOP
,
2580 EXEC_OACC_ROUTINE
, EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_SERIAL
,
2581 EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
, EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
,
2582 EXEC_OACC_WAIT
, EXEC_OACC_CACHE
, EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2583 EXEC_OACC_ATOMIC
, EXEC_OACC_DECLARE
,
2584 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2585 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2586 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2587 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2588 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2589 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2590 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2591 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2592 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2593 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2594 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2595 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2596 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2597 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2598 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2599 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2600 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2601 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2602 EXEC_OMP_TARGET_UPDATE
, EXEC_OMP_END_CRITICAL
,
2603 EXEC_OMP_TARGET_ENTER_DATA
, EXEC_OMP_TARGET_EXIT_DATA
,
2604 EXEC_OMP_TARGET_PARALLEL
, EXEC_OMP_TARGET_PARALLEL_DO
,
2605 EXEC_OMP_TARGET_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET_SIMD
,
2606 EXEC_OMP_TASKLOOP
, EXEC_OMP_TASKLOOP_SIMD
2609 enum gfc_omp_atomic_op
2611 GFC_OMP_ATOMIC_UPDATE
= 0,
2612 GFC_OMP_ATOMIC_READ
= 1,
2613 GFC_OMP_ATOMIC_WRITE
= 2,
2614 GFC_OMP_ATOMIC_CAPTURE
= 3,
2615 GFC_OMP_ATOMIC_MASK
= 3,
2616 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2617 GFC_OMP_ATOMIC_SWAP
= 8
2620 typedef struct gfc_code
2624 struct gfc_code
*block
, *next
;
2627 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2628 gfc_symtree
*symtree
;
2629 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2630 /* A name isn't sufficient to identify a subroutine, we need the actual
2631 symbol for the interface definition.
2632 const char *sub_name; */
2633 gfc_symbol
*resolved_sym
;
2634 gfc_intrinsic_sym
*resolved_isym
;
2638 gfc_actual_arglist
*actual
;
2639 gfc_iterator
*iterator
;
2645 /* Take the array specification from expr3 to allocate arrays
2646 without an explicit array specification. */
2647 unsigned arr_spec_from_expr3
:1;
2654 gfc_association_list
*assoc
;
2655 gfc_case
*case_list
;
2661 gfc_filepos
*filepos
;
2662 gfc_inquire
*inquire
;
2665 gfc_forall_iterator
*forall_iterator
;
2666 struct gfc_code
*which_construct
;
2668 gfc_entry_list
*entry
;
2669 gfc_oacc_declare
*oacc_declare
;
2670 gfc_omp_clauses
*omp_clauses
;
2671 const char *omp_name
;
2672 gfc_omp_namelist
*omp_namelist
;
2674 gfc_omp_atomic_op omp_atomic
;
2676 ext
; /* Points to additional structures required by statement */
2678 /* Cycle and break labels in constructs. */
2685 /* Storage for DATA statements. */
2686 typedef struct gfc_data_variable
2690 struct gfc_data_variable
*list
, *next
;
2695 typedef struct gfc_data_value
2699 struct gfc_data_value
*next
;
2704 typedef struct gfc_data
2706 gfc_data_variable
*var
;
2707 gfc_data_value
*value
;
2710 struct gfc_data
*next
;
2715 /* Structure for holding compile options */
2719 gfc_source_form source_form
;
2720 int max_continue_fixed
;
2721 int max_continue_free
;
2722 int max_identifier_length
;
2726 int flag_preprocessed
;
2728 int flag_init_integer
;
2729 long flag_init_integer_value
;
2730 int flag_init_logical
;
2731 int flag_init_character
;
2732 char flag_init_character_value
;
2743 extern gfc_option_t gfc_option
;
2745 /* Constructor nodes for array and structure constructors. */
2746 typedef struct gfc_constructor
2748 gfc_constructor_base base
;
2749 mpz_t offset
; /* Offset within a constructor, used as
2753 gfc_iterator
*iterator
;
2758 gfc_component
*component
; /* Record the component being initialized. */
2761 mpz_t repeat
; /* Record the repeat number of initial values in data
2762 statement like "data a/5*10/". */
2767 typedef struct iterator_stack
2769 gfc_symtree
*variable
;
2771 struct iterator_stack
*prev
;
2774 extern iterator_stack
*iter_stack
;
2777 /* Used for (possibly nested) SELECT TYPE statements. */
2778 typedef struct gfc_select_type_stack
2780 gfc_symbol
*selector
; /* Current selector variable. */
2781 gfc_symtree
*tmp
; /* Current temporary variable. */
2782 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2784 gfc_select_type_stack
;
2785 extern gfc_select_type_stack
*select_type_stack
;
2786 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2789 /* Node in the linked list used for storing finalizer procedures. */
2791 typedef struct gfc_finalizer
2793 struct gfc_finalizer
* next
;
2794 locus where
; /* Where the FINAL declaration occurred. */
2796 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2797 symtree and later need only that. This way, we can access and call the
2798 finalizers from every context as they should be "always accessible". I
2799 don't make this a union because we need the information whether proc_sym is
2800 still referenced or not for dereferencing it on deleting a gfc_finalizer
2802 gfc_symbol
* proc_sym
;
2803 gfc_symtree
* proc_tree
;
2806 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2809 /************************ Function prototypes *************************/
2812 bool gfc_in_match_data (void);
2813 match
gfc_match_char_spec (gfc_typespec
*);
2814 extern int directive_unroll
;
2815 extern bool directive_ivdep
;
2816 extern bool directive_vector
;
2817 extern bool directive_novector
;
2819 /* SIMD clause enum. */
2820 enum gfc_simd_clause
2822 SIMD_NONE
= (1 << 0),
2823 SIMD_INBRANCH
= (1 << 1),
2824 SIMD_NOTINBRANCH
= (1 << 2)
2827 /* Tuple for parsing of vectorized built-ins. */
2828 struct gfc_vect_builtin_tuple
2830 gfc_vect_builtin_tuple (const char *n
, gfc_simd_clause t
)
2831 : name (n
), simd_type (t
) {}
2834 gfc_simd_clause simd_type
;
2837 /* Map of middle-end built-ins that should be vectorized. */
2838 extern hash_map
<nofree_string_hash
, int> *gfc_vectorized_builtins
;
2840 /* Handling Parameterized Derived Types */
2841 bool gfc_insert_kind_parameter_exprs (gfc_expr
*);
2842 bool gfc_insert_parameter_exprs (gfc_expr
*, gfc_actual_arglist
*);
2843 match
gfc_get_pdt_instance (gfc_actual_arglist
*, gfc_symbol
**,
2844 gfc_actual_arglist
**);
2847 void gfc_scanner_done_1 (void);
2848 void gfc_scanner_init_1 (void);
2850 void gfc_add_include_path (const char *, bool, bool, bool);
2851 void gfc_add_intrinsic_modules_path (const char *);
2852 void gfc_release_include_path (void);
2853 FILE *gfc_open_included_file (const char *, bool, bool);
2855 int gfc_at_end (void);
2856 int gfc_at_eof (void);
2857 int gfc_at_bol (void);
2858 int gfc_at_eol (void);
2859 void gfc_advance_line (void);
2860 int gfc_check_include (void);
2861 int gfc_define_undef_line (void);
2863 int gfc_wide_is_printable (gfc_char_t
);
2864 int gfc_wide_is_digit (gfc_char_t
);
2865 int gfc_wide_fits_in_byte (gfc_char_t
);
2866 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2867 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2868 size_t gfc_wide_strlen (const gfc_char_t
*);
2869 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2870 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2871 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2872 gfc_char_t
*gfc_char_to_widechar (const char *);
2874 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2876 void gfc_skip_comments (void);
2877 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2878 gfc_char_t
gfc_next_char (void);
2879 char gfc_next_ascii_char (void);
2880 gfc_char_t
gfc_peek_char (void);
2881 char gfc_peek_ascii_char (void);
2882 void gfc_error_recovery (void);
2883 void gfc_gobble_whitespace (void);
2884 bool gfc_new_file (void);
2885 const char * gfc_read_orig_filename (const char *, const char **);
2887 extern gfc_source_form gfc_current_form
;
2888 extern const char *gfc_source_file
;
2889 extern locus gfc_current_locus
;
2891 void gfc_start_source_files (void);
2892 void gfc_end_source_files (void);
2895 void gfc_clear_ts (gfc_typespec
*);
2896 FILE *gfc_open_file (const char *);
2897 const char *gfc_basic_typename (bt
);
2898 const char *gfc_dummy_typename (gfc_typespec
*);
2899 const char *gfc_typename (gfc_typespec
*);
2900 const char *gfc_typename (gfc_expr
*);
2901 const char *gfc_op2string (gfc_intrinsic_op
);
2902 const char *gfc_code2string (const mstring
*, int);
2903 int gfc_string2code (const mstring
*, const char *);
2904 const char *gfc_intent_string (sym_intent
);
2906 void gfc_init_1 (void);
2907 void gfc_init_2 (void);
2908 void gfc_done_1 (void);
2909 void gfc_done_2 (void);
2911 int get_c_kind (const char *, CInteropKind_t
*);
2913 const char *gfc_closest_fuzzy_match (const char *, char **);
2915 vec_push (char **&optr
, size_t &osz
, const char *elt
)
2917 /* {auto,}vec.safe_push () replacement. Don't ask.. */
2918 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
2919 optr
= XRESIZEVEC (char *, optr
, osz
+ 2);
2920 optr
[osz
] = CONST_CAST (char *, elt
);
2924 HOST_WIDE_INT
gfc_mpz_get_hwi (mpz_t
);
2925 void gfc_mpz_set_hwi (mpz_t
, const HOST_WIDE_INT
);
2928 unsigned int gfc_option_lang_mask (void);
2929 void gfc_init_options_struct (struct gcc_options
*);
2930 void gfc_init_options (unsigned int,
2931 struct cl_decoded_option
*);
2932 bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT
, int, location_t
,
2933 const struct cl_option_handlers
*);
2934 bool gfc_post_options (const char **);
2935 char *gfc_get_option_string (void);
2938 void gfc_maybe_initialize_eh (void);
2941 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2942 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2945 void gfc_error_init_1 (void);
2946 void gfc_diagnostics_init (void);
2947 void gfc_diagnostics_finish (void);
2948 void gfc_buffer_error (bool);
2950 const char *gfc_print_wide_char (gfc_char_t
);
2952 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2953 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2954 bool gfc_warning_internal (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2955 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2956 ATTRIBUTE_GCC_GFC(3,4);
2958 void gfc_clear_warning (void);
2959 void gfc_warning_check (void);
2961 void gfc_error_opt (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2962 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2963 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2964 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2965 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2966 void gfc_clear_error (void);
2967 bool gfc_error_check (void);
2968 bool gfc_error_flag_test (void);
2970 notification
gfc_notification_std (int);
2971 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2973 /* A general purpose syntax error. */
2974 #define gfc_syntax_error(ST) \
2975 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2977 #include "pretty-print.h" /* For output_buffer. */
2978 struct gfc_error_buffer
2981 output_buffer buffer
;
2982 gfc_error_buffer(void) : flag(false), buffer() {}
2985 void gfc_push_error (gfc_error_buffer
*);
2986 void gfc_pop_error (gfc_error_buffer
*);
2987 void gfc_free_error (gfc_error_buffer
*);
2989 void gfc_get_errors (int *, int *);
2990 void gfc_errors_to_warnings (bool);
2993 void gfc_arith_init_1 (void);
2994 void gfc_arith_done_1 (void);
2995 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2996 bool gfc_check_character_range (gfc_char_t
, int);
2998 extern bool gfc_seen_div0
;
3001 bool gfc_check_any_c_kind (gfc_typespec
*);
3002 int gfc_validate_kind (bt
, int, bool);
3003 int gfc_get_int_kind_from_width_isofortranenv (int size
);
3004 int gfc_get_real_kind_from_width_isofortranenv (int size
);
3005 tree
gfc_get_union_type (gfc_symbol
*);
3006 tree
gfc_get_derived_type (gfc_symbol
* derived
, int codimen
= 0);
3007 extern int gfc_index_integer_kind
;
3008 extern int gfc_default_integer_kind
;
3009 extern int gfc_max_integer_kind
;
3010 extern int gfc_default_real_kind
;
3011 extern int gfc_default_double_kind
;
3012 extern int gfc_default_character_kind
;
3013 extern int gfc_default_logical_kind
;
3014 extern int gfc_default_complex_kind
;
3015 extern int gfc_c_int_kind
;
3016 extern int gfc_atomic_int_kind
;
3017 extern int gfc_atomic_logical_kind
;
3018 extern int gfc_intio_kind
;
3019 extern int gfc_charlen_int_kind
;
3020 extern int gfc_size_kind
;
3021 extern int gfc_numeric_storage_size
;
3022 extern int gfc_character_storage_size
;
3024 #define gfc_logical_4_kind 4
3025 #define gfc_integer_4_kind 4
3026 #define gfc_real_4_kind 4
3029 void gfc_clear_new_implicit (void);
3030 bool gfc_add_new_implicit_range (int, int);
3031 bool gfc_merge_new_implicit (gfc_typespec
*);
3032 void gfc_set_implicit_none (bool, bool, locus
*);
3033 void gfc_check_function_type (gfc_namespace
*);
3034 bool gfc_is_intrinsic_typename (const char *);
3035 bool gfc_check_conflict (symbol_attribute
*, const char *, locus
*);
3037 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
3038 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
3040 void gfc_set_sym_referenced (gfc_symbol
*);
3042 bool gfc_add_attribute (symbol_attribute
*, locus
*);
3043 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
3044 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
3045 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
3046 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
3047 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
3048 bool gfc_add_external (symbol_attribute
*, locus
*);
3049 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
3050 bool gfc_add_optional (symbol_attribute
*, locus
*);
3051 bool gfc_add_kind (symbol_attribute
*, locus
*);
3052 bool gfc_add_len (symbol_attribute
*, locus
*);
3053 bool gfc_add_pointer (symbol_attribute
*, locus
*);
3054 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
3055 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
3056 match
gfc_mod_pointee_as (gfc_array_spec
*);
3057 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
3058 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
3059 bool gfc_add_automatic (symbol_attribute
*, const char *, locus
*);
3060 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
3061 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
3062 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
3063 bool gfc_add_omp_declare_target_link (symbol_attribute
*, const char *,
3065 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
3066 bool gfc_add_target (symbol_attribute
*, locus
*);
3067 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
3068 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
3069 bool gfc_add_common (symbol_attribute
*, locus
*);
3070 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
3071 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
3072 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
3073 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
3074 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
3075 bool gfc_add_elemental (symbol_attribute
*, locus
*);
3076 bool gfc_add_pure (symbol_attribute
*, locus
*);
3077 bool gfc_add_recursive (symbol_attribute
*, locus
*);
3078 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
3079 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
3080 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
3081 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
3082 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
3083 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
3085 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
3086 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
3087 bool gfc_add_extension (symbol_attribute
*, locus
*);
3088 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
3089 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
3090 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
3091 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
3092 const char *, locus
*);
3093 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
3094 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
3095 gfc_formal_arglist
*, locus
*);
3096 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
3098 void gfc_clear_attr (symbol_attribute
*);
3099 bool gfc_missing_attr (symbol_attribute
*, locus
*);
3100 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
3101 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
3102 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
3103 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
3104 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
3105 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool,
3108 gfc_st_label
*gfc_get_st_label (int);
3109 void gfc_free_st_label (gfc_st_label
*);
3110 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
3111 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
3113 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
3114 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
3115 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
3116 void gfc_delete_symtree (gfc_symtree
**, const char *);
3117 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
3118 gfc_user_op
*gfc_get_uop (const char *);
3119 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
3120 void gfc_free_symbol (gfc_symbol
*);
3121 void gfc_release_symbol (gfc_symbol
*);
3122 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
3123 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
3124 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
3125 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
3126 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
3127 bool gfc_verify_c_interop (gfc_typespec
*);
3128 bool gfc_verify_c_interop_param (gfc_symbol
*);
3129 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
3130 bool verify_bind_c_derived_type (gfc_symbol
*);
3131 bool verify_com_block_vars_c_interop (gfc_common_head
*);
3132 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
3133 const char *, gfc_symtree
*, bool);
3134 void gfc_save_symbol_data (gfc_symbol
*);
3135 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
3136 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
3137 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
3139 void gfc_drop_last_undo_checkpoint (void);
3140 void gfc_restore_last_undo_checkpoint (void);
3141 void gfc_undo_symbols (void);
3142 void gfc_commit_symbols (void);
3143 void gfc_commit_symbol (gfc_symbol
*);
3144 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
3145 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
3146 void gfc_free_namespace (gfc_namespace
*);
3148 void gfc_symbol_init_2 (void);
3149 void gfc_symbol_done_2 (void);
3151 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
3152 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
3153 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
3154 void gfc_save_all (gfc_namespace
*);
3156 void gfc_enforce_clean_symbol_state (void);
3158 gfc_gsymbol
*gfc_get_gsymbol (const char *, bool bind_c
);
3159 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
3160 gfc_gsymbol
*gfc_find_case_gsymbol (gfc_gsymbol
*, const char *);
3161 void gfc_traverse_gsymbol (gfc_gsymbol
*, void (*)(gfc_gsymbol
*, void *), void *);
3163 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
3164 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
3165 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
3166 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
3167 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
3169 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
3170 gfc_actual_arglist
*);
3172 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
3174 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
3175 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
3177 bool gfc_is_associate_pointer (gfc_symbol
*);
3178 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
3179 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
3181 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3182 extern bool gfc_init_expr_flag
;
3184 /* Given a symbol that we have decided is intrinsic, mark it as such
3185 by placing it into a special module that is otherwise impossible to
3188 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3190 void gfc_intrinsic_init_1 (void);
3191 void gfc_intrinsic_done_1 (void);
3193 char gfc_type_letter (bt
, bool logical_equals_int
= false);
3194 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
3195 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
3196 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int,
3197 bool array
= false);
3198 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
3199 int gfc_generic_intrinsic (const char *);
3200 int gfc_specific_intrinsic (const char *);
3201 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
3202 int gfc_intrinsic_actual_ok (const char *, const bool);
3203 gfc_intrinsic_sym
*gfc_find_function (const char *);
3204 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
3205 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
3206 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
3207 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
3208 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
3211 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
3212 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3214 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3215 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3218 /* match.c -- FIXME */
3219 void gfc_free_iterator (gfc_iterator
*, int);
3220 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3221 void gfc_free_alloc_list (gfc_alloc
*);
3222 void gfc_free_namelist (gfc_namelist
*);
3223 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3224 void gfc_free_equiv (gfc_equiv
*);
3225 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3226 void gfc_free_data (gfc_data
*);
3227 void gfc_reject_data (gfc_namespace
*);
3228 void gfc_free_case_list (gfc_case
*);
3230 /* matchexp.c -- FIXME too? */
3231 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3234 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3235 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3236 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare
*);
3237 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3238 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3239 void gfc_free_omp_udr (gfc_omp_udr
*);
3240 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3241 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3242 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*, bool);
3243 void gfc_resolve_omp_local_vars (gfc_namespace
*);
3244 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3245 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3246 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3247 void gfc_resolve_omp_udrs (gfc_symtree
*);
3248 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3249 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3250 void gfc_free_expr_list (gfc_expr_list
*);
3251 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3252 void gfc_resolve_oacc_declare (gfc_namespace
*);
3253 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3254 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3255 void gfc_resolve_oacc_routines (gfc_namespace
*);
3258 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3259 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3261 bool gfc_extract_int (gfc_expr
*, int *, int = 0);
3262 bool gfc_extract_hwi (gfc_expr
*, HOST_WIDE_INT
*, int = 0);
3264 bool is_CFI_desc (gfc_symbol
*, gfc_expr
*);
3265 bool is_subref_array (gfc_expr
*);
3266 bool gfc_is_simply_contiguous (gfc_expr
*, bool, bool);
3267 bool gfc_is_not_contiguous (gfc_expr
*);
3268 bool gfc_check_init_expr (gfc_expr
*);
3270 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3271 void gfc_free_ref_list (gfc_ref
*);
3272 void gfc_type_convert_binary (gfc_expr
*, int);
3273 bool gfc_is_constant_expr (gfc_expr
*);
3274 bool gfc_simplify_expr (gfc_expr
*, int);
3275 int gfc_has_vector_index (gfc_expr
*);
3277 gfc_expr
*gfc_get_expr (void);
3278 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3279 gfc_expr
*gfc_get_null_expr (locus
*);
3280 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3281 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3282 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3283 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, gfc_charlen_t len
);
3284 gfc_expr
*gfc_get_int_expr (int, locus
*, HOST_WIDE_INT
);
3285 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3286 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3288 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3289 void gfc_free_shape (mpz_t
**shape
, int rank
);
3290 void gfc_free_expr (gfc_expr
*);
3291 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3292 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3293 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3294 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3295 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3297 bool gfc_specification_expr (gfc_expr
*);
3299 int gfc_numeric_ts (gfc_typespec
*);
3300 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3302 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3303 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int, bool c
= true);
3304 bool gfc_check_pointer_assign (gfc_expr
*lvalue
, gfc_expr
*rvalue
,
3305 bool suppres_type_test
= false,
3306 bool is_init_expr
= false);
3307 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3309 gfc_expr
*gfc_build_default_init_expr (gfc_typespec
*, locus
*);
3310 gfc_expr
*gfc_build_init_expr (gfc_typespec
*, locus
*, bool);
3311 void gfc_apply_init (gfc_typespec
*, symbol_attribute
*, gfc_expr
*);
3312 bool gfc_has_default_initializer (gfc_symbol
*);
3313 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3314 gfc_expr
*gfc_generate_initializer (gfc_typespec
*, bool);
3315 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3316 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3317 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3319 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3321 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3322 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3324 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3325 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3326 bool gfc_derived_parameter_expr (gfc_expr
*);
3327 gfc_param_spec_type
gfc_spec_list_type (gfc_actual_arglist
*, gfc_symbol
*);
3328 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3329 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3330 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3331 bool gfc_is_class_array_function (gfc_expr
*);
3333 bool gfc_ref_this_image (gfc_ref
*ref
);
3334 bool gfc_is_coindexed (gfc_expr
*);
3335 bool gfc_is_coarray (gfc_expr
*);
3336 int gfc_get_corank (gfc_expr
*);
3337 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3338 bool gfc_has_ultimate_pointer (gfc_expr
*);
3339 gfc_expr
* gfc_find_team_co (gfc_expr
*);
3340 gfc_expr
* gfc_find_stat_co (gfc_expr
*);
3341 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3342 locus
, unsigned, ...);
3343 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3347 extern gfc_code new_st
;
3349 void gfc_clear_new_st (void);
3350 gfc_code
*gfc_get_code (gfc_exec_op
);
3351 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3352 void gfc_free_statement (gfc_code
*);
3353 void gfc_free_statements (gfc_code
*);
3354 void gfc_free_association_list (gfc_association_list
*);
3357 void gfc_expression_rank (gfc_expr
*);
3358 bool gfc_resolve_ref (gfc_expr
*);
3359 bool gfc_resolve_expr (gfc_expr
*);
3360 void gfc_resolve (gfc_namespace
*);
3361 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3362 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3363 int gfc_impure_variable (gfc_symbol
*);
3364 int gfc_pure (gfc_symbol
*);
3365 int gfc_implicit_pure (gfc_symbol
*);
3366 void gfc_unset_implicit_pure (gfc_symbol
*);
3367 int gfc_elemental (gfc_symbol
*);
3368 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3369 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3370 bool gfc_resolve_index (gfc_expr
*, int);
3371 bool gfc_resolve_dim_arg (gfc_expr
*);
3372 bool gfc_is_formal_arg (void);
3373 void gfc_resolve_substring_charlen (gfc_expr
*);
3374 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3375 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3376 bool gfc_type_is_extensible (gfc_symbol
*);
3377 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3378 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3379 extern int gfc_do_concurrent_flag
;
3380 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree
*);
3381 int gfc_pure_function (gfc_expr
*e
, const char **name
);
3382 int gfc_implicit_pure_function (gfc_expr
*e
);
3386 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3388 void gfc_free_array_spec (gfc_array_spec
*);
3389 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3391 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3392 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3393 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3395 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3397 void gfc_simplify_iterator_var (gfc_expr
*);
3398 bool gfc_expand_constructor (gfc_expr
*, bool);
3399 int gfc_constant_ac (gfc_expr
*);
3400 int gfc_expanded_ac (gfc_expr
*);
3401 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3402 bool gfc_resolve_array_constructor (gfc_expr
*);
3403 bool gfc_check_constructor_type (gfc_expr
*);
3404 bool gfc_check_iter_variable (gfc_expr
*);
3405 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3406 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3407 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3408 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3409 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*, bool a
= false);
3410 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3411 bool spec_size (gfc_array_spec
*, mpz_t
*);
3412 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3413 bool gfc_is_compile_time_shape (gfc_array_spec
*);
3415 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3418 #define gfc_str_startswith(str, pref) \
3419 (strncmp ((str), (pref), strlen (pref)) == 0)
3421 /* interface.c -- FIXME: some of these should be in symbol.c */
3422 void gfc_free_interface (gfc_interface
*);
3423 bool gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3424 bool gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3425 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3427 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3429 bool gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3430 char *, int, const char *, const char *);
3431 void gfc_check_interfaces (gfc_namespace
*);
3432 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3433 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3434 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3435 gfc_actual_arglist
**);
3436 match
gfc_extend_expr (gfc_expr
*);
3437 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3438 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3439 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3440 bool gfc_add_interface (gfc_symbol
*);
3441 gfc_interface
*gfc_current_interface_head (void);
3442 void gfc_set_current_interface_head (gfc_interface
*);
3443 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3444 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3445 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3446 bool gfc_has_vector_subscript (gfc_expr
*);
3447 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3448 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3449 void gfc_check_dtio_interfaces (gfc_symbol
*);
3450 gfc_symtree
* gfc_find_typebound_dtio_proc (gfc_symbol
*, bool, bool);
3451 gfc_symbol
* gfc_find_specific_dtio_proc (gfc_symbol
*, bool, bool);
3452 void gfc_get_formal_from_actual_arglist (gfc_symbol
*, gfc_actual_arglist
*);
3453 bool gfc_compare_actual_formal (gfc_actual_arglist
**, gfc_formal_arglist
*,
3454 int, int, bool, locus
*);
3458 extern gfc_st_label format_asterisk
;
3460 void gfc_free_open (gfc_open
*);
3461 bool gfc_resolve_open (gfc_open
*);
3462 void gfc_free_close (gfc_close
*);
3463 bool gfc_resolve_close (gfc_close
*);
3464 void gfc_free_filepos (gfc_filepos
*);
3465 bool gfc_resolve_filepos (gfc_filepos
*, locus
*);
3466 void gfc_free_inquire (gfc_inquire
*);
3467 bool gfc_resolve_inquire (gfc_inquire
*);
3468 void gfc_free_dt (gfc_dt
*);
3469 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3470 void gfc_free_wait (gfc_wait
*);
3471 bool gfc_resolve_wait (gfc_wait
*);
3472 extern bool async_io_dt
;
3475 void gfc_module_init_2 (void);
3476 void gfc_module_done_2 (void);
3477 void gfc_dump_module (const char *, int);
3478 bool gfc_check_symbol_access (gfc_symbol
*);
3479 void gfc_free_use_stmts (gfc_use_list
*);
3480 const char *gfc_dt_lower_string (const char *);
3481 const char *gfc_dt_upper_string (const char *);
3484 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3485 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3486 symbol_attribute
gfc_caf_attr (gfc_expr
*, bool i
= false, bool *r
= NULL
);
3487 match
gfc_match_rvalue (gfc_expr
**);
3488 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3489 int gfc_check_digit (char, int);
3490 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3491 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3493 gfc_actual_arglist
**, bool);
3496 void gfc_generate_code (gfc_namespace
*);
3497 void gfc_generate_module_code (gfc_namespace
*);
3499 /* trans-intrinsic.c */
3500 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3503 typedef int (*compare_fn
) (void *, void *);
3504 void gfc_insert_bbt (void *, void *, compare_fn
);
3505 void gfc_delete_bbt (void *, void *, compare_fn
);
3507 /* dump-parse-tree.c */
3508 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3509 void gfc_dump_c_prototypes (gfc_namespace
*, FILE *);
3510 void gfc_dump_external_c_prototypes (FILE *);
3511 void gfc_dump_global_symbols (FILE *);
3512 void debug (gfc_symbol
*);
3513 void debug (gfc_expr
*);
3516 bool gfc_parse_file (void);
3517 void gfc_global_used (gfc_gsymbol
*, locus
*);
3518 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3521 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3522 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3523 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3526 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3527 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3528 size_t*, size_t*, size_t*);
3529 bool gfc_boz2int (gfc_expr
*, int);
3530 bool gfc_boz2real (gfc_expr
*, int);
3531 bool gfc_invalid_boz (const char *, locus
*);
3535 void gfc_fix_class_refs (gfc_expr
*e
);
3536 void gfc_add_component_ref (gfc_expr
*, const char *);
3537 void gfc_add_class_array_ref (gfc_expr
*);
3538 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3539 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3540 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3541 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3542 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3543 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3544 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3545 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3546 bool gfc_is_class_scalar_expr (gfc_expr
*);
3547 bool gfc_is_class_container_ref (gfc_expr
*e
);
3548 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3549 unsigned int gfc_hash_value (gfc_symbol
*);
3550 gfc_expr
*gfc_get_len_component (gfc_expr
*e
, int);
3551 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3553 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3554 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3555 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3556 const char*, bool, locus
*);
3557 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3558 const char*, bool, locus
*);
3559 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3560 gfc_intrinsic_op
, bool,
3562 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3563 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3565 #define CLASS_DATA(sym) sym->ts.u.derived->components
3566 #define UNLIMITED_POLY(sym) \
3567 (sym != NULL && sym->ts.type == BT_CLASS \
3568 && CLASS_DATA (sym) \
3569 && CLASS_DATA (sym)->ts.u.derived \
3570 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3571 #define IS_CLASS_ARRAY(sym) \
3572 (sym->ts.type == BT_CLASS \
3573 && CLASS_DATA (sym) \
3574 && CLASS_DATA (sym)->attr.dimension \
3575 && !CLASS_DATA (sym)->attr.class_pointer)
3577 /* frontend-passes.c */
3579 void gfc_run_passes (gfc_namespace
*);
3581 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3582 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3584 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3585 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3586 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3587 bool gfc_has_dimen_vector_ref (gfc_expr
*e
);
3588 void gfc_check_externals (gfc_namespace
*);
3592 void gfc_convert_mpz_to_signed (mpz_t
, int);
3593 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3594 bool gfc_is_size_zero_array (gfc_expr
*);
3598 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3602 void finish_oacc_declare (gfc_namespace
*, gfc_symbol
*, bool);
3603 void gfc_adjust_builtins (void);
3605 #endif /* GCC_GFORTRAN_H */