1 /* gfortran header file
2 Copyright (C) 2000-2015 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'))
66 #define stringize(x) expand_macro(x)
67 #define expand_macro(x) # x
69 /* For the runtime library, a standard prefix is a requirement to
70 avoid cluttering the namespace with things nobody asked for. It's
71 ugly to look at and a pain to type when you add the prefix by hand,
72 so we hide it behind a macro. */
73 #define PREFIX(x) "_gfortran_" x
76 /* A prefix for internal variables, which are not user-visible. */
77 #if !defined (NO_DOT_IN_LABEL)
78 # define GFC_PREFIX(x) "_F." x
79 #elif !defined (NO_DOLLAR_IN_LABEL)
80 # define GFC_PREFIX(x) "_F$" x
82 # define GFC_PREFIX(x) "_F_" x
85 #define BLANK_COMMON_NAME "__BLNK__"
87 /* Macro to initialize an mstring structure. */
88 #define minit(s, t) { s, NULL, t }
90 /* Structure for storing strings to be matched by gfc_match_string. */
101 /*************************** Enums *****************************/
103 /* Used when matching and resolving data I/O transfer statements. */
106 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
110 /* These are flags for identifying whether we are reading a character literal
111 between quotes or normal source code. */
114 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
117 /* This is returned by gfc_notification_std to know if, given the flags
118 that were given (-std=, -pedantic) we should issue an error, a warning
122 { SILENT
, WARNING
, ERROR
}
125 /* Matchers return one of these three values. The difference between
126 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
127 successful, but that something non-syntactic is wrong and an error
128 has already been issued. */
131 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
134 /* Used for different Fortran source forms in places like scanner.c. */
136 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
139 /* Expression node types. */
141 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
142 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
148 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
149 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
155 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
158 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
159 related to shared DO terminations and DO targets which are neither END DO
160 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
162 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
163 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
167 /* Intrinsic operators. */
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
,
181 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
185 /* This macro is the number of intrinsic operators that exist.
186 Assumptions are made about the numbering of the interface_op enums. */
187 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
189 /* Arithmetic results. */
191 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
192 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
199 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
200 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
201 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
202 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
203 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
204 ST_ENDDO
, ST_IMPLIED_ENDDO
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
205 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
206 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
207 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
208 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
209 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
210 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
211 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
212 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
213 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
214 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
215 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
216 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
217 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
218 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
219 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
220 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
221 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
222 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
223 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
224 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
225 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
226 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
227 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
228 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
229 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
230 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
231 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
232 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
233 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
234 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
235 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
236 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
237 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
238 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
239 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
240 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
241 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
242 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
243 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
244 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
245 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
246 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
247 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
248 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
249 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
250 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
251 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
252 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
253 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
254 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
258 /* Types of interfaces that we can have. Assignment interfaces are
259 considered to be intrinsic operators. */
262 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
263 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
267 /* Symbol flavors: these are all mutually exclusive.
268 10 elements = 4 bits. */
269 typedef enum sym_flavor
271 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
272 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
277 /* Procedure types. 7 elements = 3 bits. */
278 typedef enum procedure_type
279 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
280 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
285 typedef enum sym_intent
286 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
291 typedef enum gfc_access
292 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
296 /* Flags to keep track of where an interface came from.
297 3 elements = 2 bits. */
299 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
300 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
301 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
302 with explicit interface. */
306 /* Whether a SAVE attribute was set explicitly or implicitly. */
307 typedef enum save_state
308 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
312 /* Strings for all symbol attributes. We use these for dumping the
313 parse tree, in error messages, and also when reading and writing
314 modules. In symbol.c. */
315 extern const mstring flavors
[];
316 extern const mstring procedures
[];
317 extern const mstring intents
[];
318 extern const mstring access_types
[];
319 extern const mstring ifsrc_types
[];
320 extern const mstring save_status
[];
322 /* Enumeration of all the generic intrinsic functions. Used by the
323 backend for identification of a function. */
327 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
328 the backend (e.g. KIND). */
356 GFC_ISYM_ATOMIC_FETCH_ADD
,
357 GFC_ISYM_ATOMIC_FETCH_AND
,
358 GFC_ISYM_ATOMIC_FETCH_OR
,
359 GFC_ISYM_ATOMIC_FETCH_XOR
,
376 GFC_ISYM_CO_BROADCAST
,
381 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
382 GFC_ISYM_COMPILER_OPTIONS
,
383 GFC_ISYM_COMPILER_VERSION
,
393 GFC_ISYM_C_ASSOCIATED
,
394 GFC_ISYM_C_F_POINTER
,
395 GFC_ISYM_C_F_PROCPOINTER
,
399 GFC_ISYM_DATE_AND_TIME
,
403 GFC_ISYM_DOT_PRODUCT
,
412 GFC_ISYM_ERFC_SCALED
,
414 GFC_ISYM_EXECUTE_COMMAND_LINE
,
418 GFC_ISYM_EXTENDS_TYPE_OF
,
420 GFC_ISYM_FE_RUNTIME_ERROR
,
436 GFC_ISYM_GET_COMMAND
,
437 GFC_ISYM_GET_COMMAND_ARGUMENT
,
440 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
461 GFC_ISYM_IMAGE_INDEX
,
470 GFC_ISYM_IS_IOSTAT_END
,
471 GFC_ISYM_IS_IOSTAT_EOR
,
506 GFC_ISYM_MAXEXPONENT
,
514 GFC_ISYM_MINEXPONENT
,
539 GFC_ISYM_RANDOM_NUMBER
,
540 GFC_ISYM_RANDOM_SEED
,
549 GFC_ISYM_SAME_TYPE_AS
,
555 GFC_ISYM_SET_EXPONENT
,
575 GFC_ISYM_STORAGE_SIZE
,
581 GFC_ISYM_SYSTEM_CLOCK
,
605 typedef enum gfc_isym_id gfc_isym_id
;
609 GFC_INIT_LOGICAL_OFF
= 0,
610 GFC_INIT_LOGICAL_FALSE
,
611 GFC_INIT_LOGICAL_TRUE
617 GFC_INIT_CHARACTER_OFF
= 0,
618 GFC_INIT_CHARACTER_ON
620 init_local_character
;
624 GFC_INIT_INTEGER_OFF
= 0,
638 /************************* Structures *****************************/
640 /* Used for keeping things in balanced binary trees. */
641 #define BBT_HEADER(self) int priority; struct self *left, *right
643 #define NAMED_INTCST(a,b,c,d) a,
644 #define NAMED_KINDARRAY(a,b,c,d) a,
645 #define NAMED_FUNCTION(a,b,c,d) a,
646 #define NAMED_SUBROUTINE(a,b,c,d) a,
647 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
650 ISOFORTRANENV_INVALID
= -1,
651 #include "iso-fortran-env.def"
652 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
654 iso_fortran_env_symbol
;
656 #undef NAMED_KINDARRAY
657 #undef NAMED_FUNCTION
658 #undef NAMED_SUBROUTINE
659 #undef NAMED_DERIVED_TYPE
661 #define NAMED_INTCST(a,b,c,d) a,
662 #define NAMED_REALCST(a,b,c,d) a,
663 #define NAMED_CMPXCST(a,b,c,d) a,
664 #define NAMED_LOGCST(a,b,c) a,
665 #define NAMED_CHARKNDCST(a,b,c) a,
666 #define NAMED_CHARCST(a,b,c) a,
667 #define DERIVED_TYPE(a,b,c) a,
668 #define NAMED_FUNCTION(a,b,c,d) a,
669 #define NAMED_SUBROUTINE(a,b,c,d) a,
672 ISOCBINDING_INVALID
= -1,
673 #include "iso-c-binding.def"
675 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
677 iso_c_binding_symbol
;
682 #undef NAMED_CHARKNDCST
685 #undef NAMED_FUNCTION
686 #undef NAMED_SUBROUTINE
690 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
691 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
697 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
698 int value
; /* Used for both integer and character values. */
703 /* Array of structs, where the structs represent the C interop kinds.
704 The list will be implemented based on a hash of the kind name since
705 these could be accessed multiple times.
706 Declared in trans-types.c as a global, since it's in that file
707 that the list is initialized. */
708 extern CInteropKind_t c_interop_kinds_table
[];
711 /* Structure and list of supported extension attributes. */
714 EXT_ATTR_DLLIMPORT
= 0,
719 EXT_ATTR_NO_ARG_CHECK
,
720 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
728 const char *middle_end_name
;
732 extern const ext_attr_t ext_attr_list
[];
734 /* Symbol attribute structure. */
737 /* Variable attributes. */
738 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
739 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
740 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
741 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
742 contiguous
:1, fe_temp
: 1;
744 /* For CLASS containers, the pointer attribute is sometimes set internally
745 even though it was not directly specified. In this case, keep the
746 "real" (original) value here. */
747 unsigned class_pointer
:1;
749 ENUM_BITFIELD (save_state
) save
:2;
751 unsigned data
:1, /* Symbol is named in a DATA statement. */
752 is_protected
:1, /* Symbol has been marked as protected. */
753 use_assoc
:1, /* Symbol has been use-associated. */
754 used_in_submodule
:1, /* Symbol has been use-associated in a
755 submodule. Needed since these entities must
756 be set host associated to be compliant. */
757 use_only
:1, /* Symbol has been use-associated, with ONLY. */
758 use_rename
:1, /* Symbol has been use-associated and renamed. */
759 imported
:1, /* Symbol has been associated by IMPORT. */
760 host_assoc
:1; /* Symbol has been host associated. */
762 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
763 unsigned function
:1, subroutine
:1, procedure
:1;
764 unsigned generic
:1, generic_copy
:1;
765 unsigned implicit_type
:1; /* Type defined via implicit rules. */
766 unsigned untyped
:1; /* No implicit type could be found. */
768 unsigned is_bind_c
:1; /* say if is bound to C. */
769 unsigned extension
:8; /* extension level of a derived type. */
770 unsigned is_class
:1; /* is a CLASS container. */
771 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
772 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
773 unsigned vtype
:1; /* is a derived type of a vtab. */
775 /* These flags are both in the typespec and attribute. The attribute
776 list is what gets read from/written to a module file. The typespec
777 is created from a decl being processed. */
778 unsigned is_c_interop
:1; /* It's c interoperable. */
779 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
781 /* Function/subroutine attributes */
782 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
783 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
785 /* Set if this is a module function or subroutine. Note that it is an
786 attribute because it appears as a prefix in the declaration like
788 unsigned module_procedure
:1;
790 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
791 which is relevant for private module procedures. */
792 unsigned public_used
:1;
794 /* This is set if a contained procedure could be declared pure. This is
795 used for certain optimizations that require the result or arguments
796 cannot alias. Note that this is zero for PURE procedures. */
797 unsigned implicit_pure
:1;
799 /* This is set for a procedure that contains expressions referencing
800 arrays coming from outside its namespace.
801 This is used to force the creation of a temporary when the LHS of
802 an array assignment may be used by an elemental procedure appearing
804 unsigned array_outer_dependency
:1;
806 /* This is set if the subroutine doesn't return. Currently, this
807 is only possible for intrinsic subroutines. */
810 /* Set if this procedure is an alternate entry point. These procedures
811 don't have any code associated, and the backend will turn them into
812 thunks to the master function. */
815 /* Set if this is the master function for a procedure with multiple
817 unsigned entry_master
:1;
819 /* Set if this is the master function for a function with multiple
820 entry points where characteristics of the entry points differ. */
821 unsigned mixed_entry_master
:1;
823 /* Set if a function must always be referenced by an explicit interface. */
824 unsigned always_explicit
:1;
826 /* Set if the symbol is generated and, hence, standard violations
827 shouldn't be flaged. */
828 unsigned artificial
:1;
830 /* Set if the symbol has been referenced in an expression. No further
831 modification of type or type parameters is permitted. */
832 unsigned referenced
:1;
834 /* Set if this is the symbol for the main program. */
835 unsigned is_main_program
:1;
837 /* Mutually exclusive multibit attributes. */
838 ENUM_BITFIELD (gfc_access
) access
:2;
839 ENUM_BITFIELD (sym_intent
) intent
:2;
840 ENUM_BITFIELD (sym_flavor
) flavor
:4;
841 ENUM_BITFIELD (ifsrc
) if_source
:2;
843 ENUM_BITFIELD (procedure_type
) proc
:3;
845 /* Special attributes for Cray pointers, pointees. */
846 unsigned cray_pointer
:1, cray_pointee
:1;
848 /* The symbol is a derived type with allocatable components, pointer
849 components or private components, procedure pointer components,
850 possibly nested. zero_comp is true if the derived type has no
851 component at all. defined_assign_comp is true if the derived
852 type or a (sub-)component has a typebound defined assignment.
853 unlimited_polymorphic flags the type of the container for these
855 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
856 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
857 defined_assign_comp
:1, unlimited_polymorphic
:1;
859 /* This is a temporary selector for SELECT TYPE or an associate
860 variable for SELECT_TYPE or ASSOCIATE. */
861 unsigned select_type_temporary
:1, associate_var
:1;
863 /* This is omp_{out,in,priv,orig} artificial variable in
864 !$OMP DECLARE REDUCTION. */
865 unsigned omp_udr_artificial_var
:1;
867 /* Mentioned in OMP DECLARE TARGET. */
868 unsigned omp_declare_target
:1;
870 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
871 unsigned ext_attr
:EXT_ATTR_NUM
;
873 /* The namespace where the attribute has been set. */
874 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
879 /* We need to store source lines as sequences of multibyte source
880 characters. We define here a type wide enough to hold any multibyte
881 source character, just like libcpp does. A 32-bit type is enough. */
883 #if HOST_BITS_PER_INT >= 32
884 typedef unsigned int gfc_char_t
;
885 #elif HOST_BITS_PER_LONG >= 32
886 typedef unsigned long gfc_char_t
;
887 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
888 typedef unsigned long long gfc_char_t
;
890 # error "Cannot find an integer type with at least 32 bits"
894 /* The following three structures are used to identify a location in
897 gfc_file is used to maintain a tree of the source files and how
898 they include each other
900 gfc_linebuf holds a single line of source code and information
901 which file it resides in
903 locus point to the sourceline and the character in the source
907 typedef struct gfc_file
909 struct gfc_file
*next
, *up
;
910 int inclusion_line
, line
;
914 typedef struct gfc_linebuf
916 source_location location
;
917 struct gfc_file
*file
;
918 struct gfc_linebuf
*next
;
926 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
928 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
936 /* In order for the "gfc" format checking to work correctly, you must
937 have declared a typedef locus first. */
938 #if GCC_VERSION >= 4001
939 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
941 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
945 /* Suppress error messages or re-enable them. */
947 void gfc_push_suppress_errors (void);
948 void gfc_pop_suppress_errors (void);
951 /* Character length structures hold the expression that gives the
952 length of a character variable. We avoid putting these into
953 gfc_typespec because doing so prevents us from doing structure
954 copies and forces us to deallocate any typespecs we create, as well
955 as structures that contain typespecs. They also can have multiple
956 character typespecs pointing to them.
958 These structures form a singly linked list within the current
959 namespace and are deallocated with the namespace. It is possible to
960 end up with gfc_charlen structures that have nothing pointing to them. */
962 typedef struct gfc_charlen
964 struct gfc_expr
*length
;
965 struct gfc_charlen
*next
;
966 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
968 tree passed_length
; /* Length argument explicitly passed. */
974 #define gfc_get_charlen() XCNEW (gfc_charlen)
976 /* Type specification structure. */
984 struct gfc_symbol
*derived
; /* For derived types only. */
985 gfc_charlen
*cl
; /* For character types only. */
986 int pad
; /* For hollerith types only. */
990 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
998 /* Array specification. */
1001 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1003 array_type type
, cotype
;
1004 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1006 /* These two fields are used with the Cray Pointer extension. */
1007 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1008 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1009 AS_EXPLICIT, but we want to remember that we
1016 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1019 /* Components of derived types. */
1020 typedef struct gfc_component
1025 symbol_attribute attr
;
1029 /* Used to cache a FIELD_DECL matching this same component
1030 but applied to a different backend containing type that was
1031 generated by gfc_nonrestricted_type. */
1032 tree norestrict_decl
;
1034 struct gfc_expr
*initializer
;
1035 struct gfc_component
*next
;
1037 /* Needed for procedure pointer components. */
1038 struct gfc_typebound_proc
*tb
;
1042 #define gfc_get_component() XCNEW (gfc_component)
1044 /* Formal argument lists are lists of symbols. */
1045 typedef struct gfc_formal_arglist
1047 /* Symbol representing the argument at this position in the arglist. */
1048 struct gfc_symbol
*sym
;
1049 /* Points to the next formal argument. */
1050 struct gfc_formal_arglist
*next
;
1054 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1057 /* The gfc_actual_arglist structure is for actual arguments. */
1058 typedef struct gfc_actual_arglist
1061 /* Alternate return label when the expr member is null. */
1062 struct gfc_st_label
*label
;
1064 /* This is set to the type of an eventual omitted optional
1065 argument. This is used to determine if a hidden string length
1066 argument has to be added to a function call. */
1067 bt missing_arg_type
;
1069 struct gfc_expr
*expr
;
1070 struct gfc_actual_arglist
*next
;
1074 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1077 /* Because a symbol can belong to multiple namelists, they must be
1078 linked externally to the symbol itself. */
1079 typedef struct gfc_namelist
1081 struct gfc_symbol
*sym
;
1082 struct gfc_namelist
*next
;
1086 #define gfc_get_namelist() XCNEW (gfc_namelist)
1088 /* Likewise to gfc_namelist, but contains expressions. */
1089 typedef struct gfc_expr_list
1091 struct gfc_expr
*expr
;
1092 struct gfc_expr_list
*next
;
1096 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1100 OMP_REDUCTION_NONE
= -1,
1101 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1102 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1103 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1104 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1105 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1106 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1107 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1108 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1115 gfc_omp_reduction_op
;
1131 OMP_MAP_FORCE_ALLOC
,
1132 OMP_MAP_FORCE_DEALLOC
,
1135 OMP_MAP_FORCE_TOFROM
,
1136 OMP_MAP_FORCE_PRESENT
,
1137 OMP_MAP_FORCE_DEVICEPTR
1141 /* For use in OpenMP clauses in case we need extra information
1142 (aligned clause alignment, linear clause step, etc.). */
1144 typedef struct gfc_omp_namelist
1146 struct gfc_symbol
*sym
;
1147 struct gfc_expr
*expr
;
1150 gfc_omp_reduction_op reduction_op
;
1151 gfc_omp_depend_op depend_op
;
1152 gfc_omp_map_op map_op
;
1154 struct gfc_omp_namelist_udr
*udr
;
1155 struct gfc_omp_namelist
*next
;
1159 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1164 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1165 OMP_LIST_FIRSTPRIVATE
,
1166 OMP_LIST_LASTPRIVATE
,
1167 OMP_LIST_COPYPRIVATE
,
1178 OMP_LIST_DEVICE_RESIDENT
,
1179 OMP_LIST_USE_DEVICE
,
1184 /* Because a symbol can belong to multiple namelists, they must be
1185 linked externally to the symbol itself. */
1187 enum gfc_omp_sched_kind
1197 enum gfc_omp_default_sharing
1199 OMP_DEFAULT_UNKNOWN
,
1201 OMP_DEFAULT_PRIVATE
,
1203 OMP_DEFAULT_FIRSTPRIVATE
1206 enum gfc_omp_proc_bind_kind
1208 OMP_PROC_BIND_UNKNOWN
,
1209 OMP_PROC_BIND_MASTER
,
1210 OMP_PROC_BIND_SPREAD
,
1214 enum gfc_omp_cancel_kind
1217 OMP_CANCEL_PARALLEL
,
1218 OMP_CANCEL_SECTIONS
,
1220 OMP_CANCEL_TASKGROUP
1223 typedef struct gfc_omp_clauses
1225 struct gfc_expr
*if_expr
;
1226 struct gfc_expr
*final_expr
;
1227 struct gfc_expr
*num_threads
;
1228 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1229 enum gfc_omp_sched_kind sched_kind
;
1230 struct gfc_expr
*chunk_size
;
1231 enum gfc_omp_default_sharing default_sharing
;
1233 bool nowait
, ordered
, untied
, mergeable
;
1234 bool inbranch
, notinbranch
;
1235 enum gfc_omp_cancel_kind cancel
;
1236 enum gfc_omp_proc_bind_kind proc_bind
;
1237 struct gfc_expr
*safelen_expr
;
1238 struct gfc_expr
*simdlen_expr
;
1239 struct gfc_expr
*num_teams
;
1240 struct gfc_expr
*device
;
1241 struct gfc_expr
*thread_limit
;
1242 enum gfc_omp_sched_kind dist_sched_kind
;
1243 struct gfc_expr
*dist_chunk_size
;
1246 struct gfc_expr
*async_expr
;
1247 struct gfc_expr
*gang_expr
;
1248 struct gfc_expr
*worker_expr
;
1249 struct gfc_expr
*vector_expr
;
1250 struct gfc_expr
*num_gangs_expr
;
1251 struct gfc_expr
*num_workers_expr
;
1252 struct gfc_expr
*vector_length_expr
;
1253 gfc_expr_list
*wait_list
;
1254 gfc_expr_list
*tile_list
;
1255 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1256 unsigned wait
:1, par_auto
:1, gang_static
:1;
1262 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1265 /* Node in the linked list used for storing !$omp declare simd constructs. */
1267 typedef struct gfc_omp_declare_simd
1269 struct gfc_omp_declare_simd
*next
;
1270 locus where
; /* Where the !$omp declare simd construct occurred. */
1272 gfc_symbol
*proc_name
;
1274 gfc_omp_clauses
*clauses
;
1276 gfc_omp_declare_simd
;
1277 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1279 typedef struct gfc_omp_udr
1281 struct gfc_omp_udr
*next
;
1282 locus where
; /* Where the !$omp declare reduction construct occurred. */
1286 gfc_omp_reduction_op rop
;
1288 struct gfc_symbol
*omp_out
;
1289 struct gfc_symbol
*omp_in
;
1290 struct gfc_namespace
*combiner_ns
;
1292 struct gfc_symbol
*omp_priv
;
1293 struct gfc_symbol
*omp_orig
;
1294 struct gfc_namespace
*initializer_ns
;
1297 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1299 typedef struct gfc_omp_namelist_udr
1301 struct gfc_omp_udr
*udr
;
1302 struct gfc_code
*combiner
;
1303 struct gfc_code
*initializer
;
1305 gfc_omp_namelist_udr
;
1306 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1308 /* The gfc_st_label structure is a BBT attached to a namespace that
1309 records the usage of statement labels within that space. */
1311 typedef struct gfc_st_label
1313 BBT_HEADER(gfc_st_label
);
1317 gfc_sl_type defined
, referenced
;
1319 struct gfc_expr
*format
;
1328 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1329 typedef struct gfc_interface
1331 struct gfc_symbol
*sym
;
1333 struct gfc_interface
*next
;
1337 #define gfc_get_interface() XCNEW (gfc_interface)
1339 /* User operator nodes. These are like stripped down symbols. */
1345 struct gfc_namespace
*ns
;
1351 /* A list of specific bindings that are associated with a generic spec. */
1352 typedef struct gfc_tbp_generic
1354 /* The parser sets specific_st, upon resolution we look for the corresponding
1355 gfc_typebound_proc and set specific for further use. */
1356 struct gfc_symtree
* specific_st
;
1357 struct gfc_typebound_proc
* specific
;
1359 struct gfc_tbp_generic
* next
;
1364 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1367 /* Data needed for type-bound procedures. */
1368 typedef struct gfc_typebound_proc
1370 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1374 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1375 gfc_tbp_generic
* generic
;
1380 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1382 /* The overridden type-bound proc (or GENERIC with this name in the
1383 parent-type) or NULL if non. */
1384 struct gfc_typebound_proc
* overridden
;
1386 /* Once resolved, we use the position of pass_arg in the formal arglist of
1387 the binding-target procedure to identify it. The first argument has
1388 number 1 here, the second 2, and so on. */
1389 unsigned pass_arg_num
;
1391 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1392 unsigned non_overridable
:1;
1393 unsigned deferred
:1;
1394 unsigned is_generic
:1;
1395 unsigned function
:1, subroutine
:1;
1396 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1402 /* Symbol nodes. These are important things. They are what the
1403 standard refers to as "entities". The possibly multiple names that
1404 refer to the same entity are accomplished by a binary tree of
1405 symtree structures that is balanced by the red-black method-- more
1406 than one symtree node can point to any given symbol. */
1408 typedef struct gfc_symbol
1410 const char *name
; /* Primary name, before renaming */
1411 const char *module
; /* Module this symbol came from */
1415 symbol_attribute attr
;
1417 /* The formal member points to the formal argument list if the
1418 symbol is a function or subroutine name. If the symbol is a
1419 generic name, the generic member points to the list of
1422 gfc_interface
*generic
;
1423 gfc_access component_access
;
1425 gfc_formal_arglist
*formal
;
1426 struct gfc_namespace
*formal_ns
;
1427 struct gfc_namespace
*f2k_derived
;
1429 struct gfc_expr
*value
; /* Parameter/Initializer value */
1431 struct gfc_symbol
*result
; /* function result symbol */
1432 gfc_component
*components
; /* Derived type components */
1434 /* Defined only for Cray pointees; points to their pointer. */
1435 struct gfc_symbol
*cp_pointer
;
1437 int entry_id
; /* Used in resolve.c for entries. */
1439 /* CLASS hashed name for declared and dynamic types in the class. */
1442 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1444 /* This is in fact a gfc_common_head but it is only used for pointer
1445 comparisons to check if symbols are in the same common block. */
1446 struct gfc_common_head
* common_head
;
1448 /* Make sure setup code for dummy arguments is generated in the correct
1452 gfc_namelist
*namelist
, *namelist_tail
;
1454 /* Change management fields. Symbols that might be modified by the
1455 current statement have the mark member nonzero and are kept in a
1456 singly linked list through the tlink field. Of these symbols,
1457 symbols with old_symbol equal to NULL are symbols created within
1458 the current statement. Otherwise, old_symbol points to a copy of
1461 struct gfc_symbol
*old_symbol
, *tlink
;
1462 unsigned mark
:1, gfc_new
:1;
1463 /* Nonzero if all equivalences associated with this symbol have been
1465 unsigned equiv_built
:1;
1466 /* Set if this variable is used as an index name in a FORALL. */
1467 unsigned forall_index
:1;
1468 /* Used to avoid multiple resolutions of a single symbol. */
1469 unsigned resolved
:1;
1470 /* Set if this is a module function or subroutine with the
1471 abreviated declaration in a submodule. */
1472 unsigned abr_modproc_decl
:1;
1475 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1479 /* Identity of the intrinsic module the symbol comes from, or
1480 INTMOD_NONE if it's not imported from a intrinsic module. */
1481 intmod_id from_intmod
;
1482 /* Identity of the symbol from intrinsic modules, from enums maintained
1483 separately by each intrinsic module. Used together with from_intmod,
1484 it uniquely identifies a symbol from an intrinsic module. */
1487 /* This may be repetitive, since the typespec now has a binding
1489 const char* binding_label
;
1490 /* Store a reference to the common_block, if this symbol is in one. */
1491 struct gfc_common_head
*common_block
;
1493 /* Link to corresponding association-list if this is an associate name. */
1494 struct gfc_association_list
*assoc
;
1499 struct gfc_undo_change_set
1501 vec
<gfc_symbol
*> syms
;
1502 vec
<gfc_typebound_proc
*> tbps
;
1503 gfc_undo_change_set
*previous
;
1507 /* This structure is used to keep track of symbols in common blocks. */
1508 typedef struct gfc_common_head
1511 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1512 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1513 struct gfc_symbol
*head
;
1514 const char* binding_label
;
1520 #define gfc_get_common_head() XCNEW (gfc_common_head)
1523 /* A list of all the alternate entry points for a procedure. */
1525 typedef struct gfc_entry_list
1527 /* The symbol for this entry point. */
1529 /* The zero-based id of this entry point. */
1531 /* The LABEL_EXPR marking this entry point. */
1533 /* The next item in the list. */
1534 struct gfc_entry_list
*next
;
1538 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1540 /* Lists of rename info for the USE statement. */
1542 typedef struct gfc_use_rename
1544 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1545 struct gfc_use_rename
*next
;
1547 gfc_intrinsic_op op
;
1552 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1554 /* A list of all USE statements in a namespace. */
1556 typedef struct gfc_use_list
1558 const char *module_name
;
1559 const char *submodule_name
;
1563 struct gfc_use_rename
*rename
;
1565 /* Next USE statement. */
1566 struct gfc_use_list
*next
;
1570 #define gfc_get_use_list() XCNEW (gfc_use_list)
1572 /* Within a namespace, symbols are pointed to by symtree nodes that
1573 are linked together in a balanced binary tree. There can be
1574 several symtrees pointing to the same symbol node via USE
1577 typedef struct gfc_symtree
1579 BBT_HEADER (gfc_symtree
);
1584 gfc_symbol
*sym
; /* Symbol associated with this node */
1586 gfc_common_head
*common
;
1587 gfc_typebound_proc
*tb
;
1588 gfc_omp_udr
*omp_udr
;
1594 /* A linked list of derived types in the namespace. */
1595 typedef struct gfc_dt_list
1597 struct gfc_symbol
*derived
;
1598 struct gfc_dt_list
*next
;
1602 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1604 /* A list of all derived types. */
1605 extern gfc_dt_list
*gfc_derived_types
;
1607 /* A namespace describes the contents of procedure, module, interface block
1608 or BLOCK construct. */
1609 /* ??? Anything else use these? */
1611 typedef struct gfc_namespace
1613 /* Tree containing all the symbols in this namespace. */
1614 gfc_symtree
*sym_root
;
1615 /* Tree containing all the user-defined operators in the namespace. */
1616 gfc_symtree
*uop_root
;
1617 /* Tree containing all the common blocks. */
1618 gfc_symtree
*common_root
;
1619 /* Tree containing all the OpenMP user defined reductions. */
1620 gfc_symtree
*omp_udr_root
;
1622 /* Tree containing type-bound procedures. */
1623 gfc_symtree
*tb_sym_root
;
1624 /* Type-bound user operators. */
1625 gfc_symtree
*tb_uop_root
;
1626 /* For derived-types, store type-bound intrinsic operators here. */
1627 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1628 /* Linked list of finalizer procedures. */
1629 struct gfc_finalizer
*finalizers
;
1631 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1632 int set_flag
[GFC_LETTERS
];
1633 /* Keeps track of the implicit types associated with the letters. */
1634 gfc_typespec default_type
[GFC_LETTERS
];
1635 /* Store the positions of IMPLICIT statements. */
1636 locus implicit_loc
[GFC_LETTERS
];
1638 /* If this is a namespace of a procedure, this points to the procedure. */
1639 struct gfc_symbol
*proc_name
;
1640 /* If this is the namespace of a unit which contains executable
1641 code, this points to it. */
1642 struct gfc_code
*code
;
1644 /* Points to the equivalences set up in this namespace. */
1645 struct gfc_equiv
*equiv
, *old_equiv
;
1647 /* Points to the equivalence groups produced by trans_common. */
1648 struct gfc_equiv_list
*equiv_lists
;
1650 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1652 /* Points to the parent namespace, i.e. the namespace of a module or
1653 procedure in which the procedure belonging to this namespace is
1654 contained. The parent namespace points to this namespace either
1655 directly via CONTAINED, or indirectly via the chain built by
1657 struct gfc_namespace
*parent
;
1658 /* CONTAINED points to the first contained namespace. Sibling
1659 namespaces are chained via SIBLING. */
1660 struct gfc_namespace
*contained
, *sibling
;
1662 gfc_common_head blank_common
;
1663 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1665 gfc_st_label
*st_labels
;
1666 /* This list holds information about all the data initializers in
1668 struct gfc_data
*data
, *old_data
;
1670 /* !$ACC DECLARE clauses. */
1671 gfc_omp_clauses
*oacc_declare_clauses
;
1673 gfc_charlen
*cl_list
, *old_cl_list
;
1675 gfc_dt_list
*derived_types
;
1677 int save_all
, seen_save
, seen_implicit_none
;
1679 /* Normally we don't need to refcount namespaces. However when we read
1680 a module containing a function with multiple entry points, this
1681 will appear as several functions with the same formal namespace. */
1684 /* A list of all alternate entry points to this procedure (or NULL). */
1685 gfc_entry_list
*entries
;
1687 /* A list of USE statements in this namespace. */
1688 gfc_use_list
*use_stmts
;
1690 /* Linked list of !$omp declare simd constructs. */
1691 struct gfc_omp_declare_simd
*omp_declare_simd
;
1693 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1694 unsigned is_block_data
:1;
1696 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1697 unsigned has_import_set
:1;
1699 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1700 unsigned has_implicit_none_export
:1;
1702 /* Set to 1 if resolved has been called for this namespace.
1703 Holds -1 during resolution. */
1706 /* Set when resolve_types has been called for this namespace. */
1707 unsigned types_resolved
:1;
1709 /* Set to 1 if code has been generated for this namespace. */
1710 unsigned translated
:1;
1712 /* Set to 1 if symbols in this namespace should be 'construct entities',
1713 i.e. for BLOCK local variables. */
1714 unsigned construct_entities
:1;
1716 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1717 unsigned omp_udr_ns
:1;
1721 extern gfc_namespace
*gfc_current_ns
;
1722 extern gfc_namespace
*gfc_global_ns_list
;
1724 /* Global symbols are symbols of global scope. Currently we only use
1725 this to detect collisions already when parsing.
1726 TODO: Extend to verify procedure calls. */
1728 enum gfc_symbol_type
1730 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1731 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1734 typedef struct gfc_gsymbol
1736 BBT_HEADER(gfc_gsymbol
);
1739 const char *sym_name
;
1740 const char *mod_name
;
1741 const char *binding_label
;
1742 enum gfc_symbol_type type
;
1750 extern gfc_gsymbol
*gfc_gsym_root
;
1752 /* Information on interfaces being built. */
1755 interface_type type
;
1759 gfc_intrinsic_op op
;
1763 extern gfc_interface_info current_interface
;
1766 /* Array reference. */
1768 enum gfc_array_ref_dimen_type
1770 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1773 typedef struct gfc_array_ref
1776 int dimen
; /* # of components in the reference */
1778 bool in_allocate
; /* For coarray checks. */
1782 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1783 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1784 *stride
[GFC_MAX_DIMENSIONS
];
1786 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1790 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1793 /* Component reference nodes. A variable is stored as an expression
1794 node that points to the base symbol. After that, a singly linked
1795 list of component reference nodes gives the variable's complete
1796 resolution. The array_ref component may be present and comes
1797 before the component component. */
1800 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1803 typedef struct gfc_ref
1809 struct gfc_array_ref ar
;
1813 gfc_component
*component
;
1820 struct gfc_expr
*start
, *end
; /* Substring */
1821 gfc_charlen
*length
;
1828 struct gfc_ref
*next
;
1832 #define gfc_get_ref() XCNEW (gfc_ref)
1835 /* Structures representing intrinsic symbols and their arguments lists. */
1836 typedef struct gfc_intrinsic_arg
1838 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1841 unsigned optional
:1, value
:1;
1842 ENUM_BITFIELD (sym_intent
) intent
:2;
1843 gfc_actual_arglist
*actual
;
1845 struct gfc_intrinsic_arg
*next
;
1851 /* Specifies the various kinds of check functions used to verify the
1852 argument lists of intrinsic functions. fX with X an integer refer
1853 to check functions of intrinsics with X arguments. f1m is used for
1854 the MAX and MIN intrinsics which can have an arbitrary number of
1855 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1856 these have special semantics. */
1861 bool (*f1
)(struct gfc_expr
*);
1862 bool (*f1m
)(gfc_actual_arglist
*);
1863 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1864 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1865 bool (*f3ml
)(gfc_actual_arglist
*);
1866 bool (*f3red
)(gfc_actual_arglist
*);
1867 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1869 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1870 struct gfc_expr
*, struct gfc_expr
*);
1874 /* Like gfc_check_f, these specify the type of the simplification
1875 function associated with an intrinsic. The fX are just like in
1876 gfc_check_f. cc is used for type conversion functions. */
1880 struct gfc_expr
*(*f0
)(void);
1881 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1882 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1883 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1885 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1886 struct gfc_expr
*, struct gfc_expr
*);
1887 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1888 struct gfc_expr
*, struct gfc_expr
*,
1890 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1894 /* Again like gfc_check_f, these specify the type of the resolution
1895 function associated with an intrinsic. The fX are just like in
1896 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1900 void (*f0
)(struct gfc_expr
*);
1901 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1902 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1903 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1904 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1906 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1907 struct gfc_expr
*, struct gfc_expr
*);
1908 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1909 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1910 void (*s1
)(struct gfc_code
*);
1915 typedef struct gfc_intrinsic_sym
1917 const char *name
, *lib_name
;
1918 gfc_intrinsic_arg
*formal
;
1920 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1921 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1922 from_module
:1, vararg
:1;
1926 gfc_simplify_f simplify
;
1928 gfc_resolve_f resolve
;
1929 struct gfc_intrinsic_sym
*specific_head
, *next
;
1936 /* Expression nodes. The expression node types deserve explanations,
1937 since the last couple can be easily misconstrued:
1939 EXPR_OP Operator node pointing to one or two other nodes
1940 EXPR_FUNCTION Function call, symbol points to function's name
1941 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1942 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1943 which expresses structure, array and substring refs.
1944 EXPR_NULL The NULL pointer value (which also has a basic type).
1945 EXPR_SUBSTRING A substring of a constant string
1946 EXPR_STRUCTURE A structure constructor
1947 EXPR_ARRAY An array constructor.
1948 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1949 component or type-bound procedure. */
1953 #define GFC_RND_MODE GMP_RNDN
1954 #define GFC_MPC_RND_MODE MPC_RNDNN
1956 typedef splay_tree gfc_constructor_base
;
1958 typedef struct gfc_expr
1962 gfc_typespec ts
; /* These two refer to the overall expression */
1964 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1965 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1967 /* Nonnull for functions and structure constructors, may also used to hold the
1968 base-object for component calls. */
1969 gfc_symtree
*symtree
;
1975 /* Used to store the base expression in component calls, when the expression
1976 is not a variable. */
1977 struct gfc_expr
*base_expr
;
1979 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1980 denotes a signalling not-a-number. */
1981 unsigned int is_boz
: 1, is_snan
: 1;
1983 /* Sometimes, when an error has been emitted, it is necessary to prevent
1984 it from recurring. */
1985 unsigned int error
: 1;
1987 /* Mark an expression where a user operator has been substituted by
1988 a function call in interface.c(gfc_extend_expr). */
1989 unsigned int user_operator
: 1;
1991 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1992 unsigned int mold
: 1;
1994 /* Will require finalization after use. */
1995 unsigned int must_finalize
: 1;
1997 /* If an expression comes from a Hollerith constant or compile-time
1998 evaluation of a transfer statement, it may have a prescribed target-
1999 memory representation, and these cannot always be backformed from
2022 gfc_intrinsic_op op
;
2024 struct gfc_expr
*op1
, *op2
;
2030 gfc_actual_arglist
*actual
;
2031 const char *name
; /* Points to the ultimate name of the function */
2032 gfc_intrinsic_sym
*isym
;
2039 gfc_actual_arglist
* actual
;
2041 /* Base-object, whose component was called. NULL means that it should
2042 be taken from symtree/ref. */
2043 struct gfc_expr
* base_object
;
2044 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2046 /* For type-bound operators, we want to call PASS procedures but already
2047 have the full arglist; mark this, so that it is not extended by the
2049 unsigned ignore_pass
:1;
2051 /* Do assign-calls rather than calls, that is appropriate dependency
2064 gfc_constructor_base constructor
;
2072 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2074 /* Structures for information associated with different kinds of
2075 numbers. The first set of integer parameters define all there is
2076 to know about a particular kind. The rest of the elements are
2077 computed from the first elements. */
2081 /* Values really representable by the target. */
2082 mpz_t huge
, pedantic_min_int
, min_int
;
2084 int kind
, radix
, digits
, bit_size
, range
;
2086 /* True if the C type of the given name maps to this precision.
2087 Note that more than one bit can be set. */
2088 unsigned int c_char
: 1;
2089 unsigned int c_short
: 1;
2090 unsigned int c_int
: 1;
2091 unsigned int c_long
: 1;
2092 unsigned int c_long_long
: 1;
2096 extern gfc_integer_info gfc_integer_kinds
[];
2103 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2104 unsigned int c_bool
: 1;
2108 extern gfc_logical_info gfc_logical_kinds
[];
2113 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2114 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2115 int range
, precision
;
2117 /* The precision of the type as reported by GET_MODE_PRECISION. */
2120 /* True if the C type of the given name maps to this precision.
2121 Note that more than one bit can be set. */
2122 unsigned int c_float
: 1;
2123 unsigned int c_double
: 1;
2124 unsigned int c_long_double
: 1;
2125 unsigned int c_float128
: 1;
2129 extern gfc_real_info gfc_real_kinds
[];
2138 extern gfc_character_info gfc_character_kinds
[];
2141 /* Equivalence structures. Equivalent lvalues are linked along the
2142 *eq pointer, equivalence sets are strung along the *next node. */
2143 typedef struct gfc_equiv
2145 struct gfc_equiv
*next
, *eq
;
2152 #define gfc_get_equiv() XCNEW (gfc_equiv)
2154 /* Holds a single equivalence member after processing. */
2155 typedef struct gfc_equiv_info
2158 HOST_WIDE_INT offset
;
2159 HOST_WIDE_INT length
;
2160 struct gfc_equiv_info
*next
;
2163 /* Holds equivalence groups, after they have been processed. */
2164 typedef struct gfc_equiv_list
2166 gfc_equiv_info
*equiv
;
2167 struct gfc_equiv_list
*next
;
2170 /* gfc_case stores the selector list of a case statement. The *low
2171 and *high pointers can point to the same expression in the case of
2172 a single value. If *high is NULL, the selection is from *low
2173 upwards, if *low is NULL the selection is *high downwards.
2175 This structure has separate fields to allow single and double linked
2176 lists of CASEs at the same time. The singe linked list along the NEXT
2177 field is a list of cases for a single CASE label. The double linked
2178 list along the LEFT/RIGHT fields is used to detect overlap and to
2179 build a table of the cases for SELECT constructs with a CHARACTER
2182 typedef struct gfc_case
2184 /* Where we saw this case. */
2188 /* Case range values. If (low == high), it's a single value. If one of
2189 the labels is NULL, it's an unbounded case. If both are NULL, this
2190 represents the default case. */
2191 gfc_expr
*low
, *high
;
2193 /* Only used for SELECT TYPE. */
2196 /* Next case label in the list of cases for a single CASE label. */
2197 struct gfc_case
*next
;
2199 /* Used for detecting overlap, and for code generation. */
2200 struct gfc_case
*left
, *right
;
2202 /* True if this case label can never be matched. */
2207 #define gfc_get_case() XCNEW (gfc_case)
2212 gfc_expr
*var
, *start
, *end
, *step
;
2216 #define gfc_get_iterator() XCNEW (gfc_iterator)
2219 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2221 typedef struct gfc_alloc
2224 struct gfc_alloc
*next
;
2228 #define gfc_get_alloc() XCNEW (gfc_alloc)
2233 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2234 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2235 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2243 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2251 gfc_expr
*unit
, *iostat
, *iomsg
;
2259 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2260 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2261 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2262 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2263 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2274 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2275 gfc_st_label
*err
, *end
, *eor
;
2282 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2283 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2284 *sign
, *extra_comma
, *dt_io_kind
;
2286 gfc_symbol
*namelist
;
2287 /* A format_label of `format_asterisk' indicates the "*" format */
2288 gfc_st_label
*format_label
;
2289 gfc_st_label
*err
, *end
, *eor
;
2291 locus eor_where
, end_where
, err_where
;
2296 typedef struct gfc_forall_iterator
2298 gfc_expr
*var
, *start
, *end
, *stride
;
2299 struct gfc_forall_iterator
*next
;
2301 gfc_forall_iterator
;
2304 /* Linked list to store associations in an ASSOCIATE statement. */
2306 typedef struct gfc_association_list
2308 struct gfc_association_list
*next
;
2310 /* Whether this is association to a variable that can be changed; otherwise,
2311 it's association to an expression and the name may not be used as
2313 unsigned variable
:1;
2315 /* True if this struct is currently only linked to from a gfc_symbol rather
2316 than as part of a real list in gfc_code->ext.block.assoc. This may
2317 happen for SELECT TYPE temporaries and must be considered
2318 for memory handling. */
2319 unsigned dangling
:1;
2321 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2322 gfc_symtree
*st
; /* Symtree corresponding to name. */
2327 gfc_association_list
;
2328 #define gfc_get_association_list() XCNEW (gfc_association_list)
2331 /* Executable statements that fill gfc_code structures. */
2334 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2335 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2336 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2337 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2338 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2339 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2340 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2341 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2342 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2343 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2344 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2345 EXEC_LOCK
, EXEC_UNLOCK
,
2346 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2347 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2348 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2349 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2350 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2351 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2352 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2353 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2354 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2355 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2356 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2357 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2358 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2359 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2360 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2361 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2362 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2363 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2364 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2365 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2366 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2367 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2368 EXEC_OMP_TARGET_UPDATE
2374 GFC_OMP_ATOMIC_UPDATE
= 0,
2375 GFC_OMP_ATOMIC_READ
= 1,
2376 GFC_OMP_ATOMIC_WRITE
= 2,
2377 GFC_OMP_ATOMIC_CAPTURE
= 3,
2378 GFC_OMP_ATOMIC_MASK
= 3,
2379 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2380 GFC_OMP_ATOMIC_SWAP
= 8
2384 typedef struct gfc_code
2388 struct gfc_code
*block
, *next
;
2391 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2392 gfc_symtree
*symtree
;
2393 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2394 /* A name isn't sufficient to identify a subroutine, we need the actual
2395 symbol for the interface definition.
2396 const char *sub_name; */
2397 gfc_symbol
*resolved_sym
;
2398 gfc_intrinsic_sym
*resolved_isym
;
2402 gfc_actual_arglist
*actual
;
2403 gfc_iterator
*iterator
;
2409 /* Take the array specification from expr3 to allocate arrays
2410 without an explicit array specification. */
2411 unsigned arr_spec_from_expr3
:1;
2418 gfc_association_list
*assoc
;
2419 gfc_case
*case_list
;
2425 gfc_filepos
*filepos
;
2426 gfc_inquire
*inquire
;
2429 gfc_forall_iterator
*forall_iterator
;
2430 struct gfc_code
*which_construct
;
2432 gfc_entry_list
*entry
;
2433 gfc_omp_clauses
*omp_clauses
;
2434 const char *omp_name
;
2435 gfc_omp_namelist
*omp_namelist
;
2437 gfc_omp_atomic_op omp_atomic
;
2439 ext
; /* Points to additional structures required by statement */
2441 /* Cycle and break labels in constructs. */
2448 /* Storage for DATA statements. */
2449 typedef struct gfc_data_variable
2453 struct gfc_data_variable
*list
, *next
;
2458 typedef struct gfc_data_value
2462 struct gfc_data_value
*next
;
2467 typedef struct gfc_data
2469 gfc_data_variable
*var
;
2470 gfc_data_value
*value
;
2473 struct gfc_data
*next
;
2478 /* Structure for holding compile options */
2482 gfc_source_form source_form
;
2483 int max_continue_fixed
;
2484 int max_continue_free
;
2485 int max_identifier_length
;
2489 int flag_preprocessed
;
2491 int flag_init_integer
;
2492 int flag_init_integer_value
;
2493 int flag_init_logical
;
2494 int flag_init_character
;
2495 char flag_init_character_value
;
2506 extern gfc_option_t gfc_option
;
2508 /* Constructor nodes for array and structure constructors. */
2509 typedef struct gfc_constructor
2511 gfc_constructor_base base
;
2512 mpz_t offset
; /* Offset within a constructor, used as
2516 gfc_iterator
*iterator
;
2521 gfc_component
*component
; /* Record the component being initialized. */
2524 mpz_t repeat
; /* Record the repeat number of initial values in data
2525 statement like "data a/5*10/". */
2530 typedef struct iterator_stack
2532 gfc_symtree
*variable
;
2534 struct iterator_stack
*prev
;
2537 extern iterator_stack
*iter_stack
;
2540 /* Used for (possibly nested) SELECT TYPE statements. */
2541 typedef struct gfc_select_type_stack
2543 gfc_symbol
*selector
; /* Current selector variable. */
2544 gfc_symtree
*tmp
; /* Current temporary variable. */
2545 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2547 gfc_select_type_stack
;
2548 extern gfc_select_type_stack
*select_type_stack
;
2549 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2552 /* Node in the linked list used for storing finalizer procedures. */
2554 typedef struct gfc_finalizer
2556 struct gfc_finalizer
* next
;
2557 locus where
; /* Where the FINAL declaration occurred. */
2559 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2560 symtree and later need only that. This way, we can access and call the
2561 finalizers from every context as they should be "always accessible". I
2562 don't make this a union because we need the information whether proc_sym is
2563 still referenced or not for dereferencing it on deleting a gfc_finalizer
2565 gfc_symbol
* proc_sym
;
2566 gfc_symtree
* proc_tree
;
2569 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2572 /************************ Function prototypes *************************/
2575 bool gfc_in_match_data (void);
2576 match
gfc_match_char_spec (gfc_typespec
*);
2579 void gfc_scanner_done_1 (void);
2580 void gfc_scanner_init_1 (void);
2582 void gfc_add_include_path (const char *, bool, bool, bool);
2583 void gfc_add_intrinsic_modules_path (const char *);
2584 void gfc_release_include_path (void);
2585 FILE *gfc_open_included_file (const char *, bool, bool);
2587 int gfc_at_end (void);
2588 int gfc_at_eof (void);
2589 int gfc_at_bol (void);
2590 int gfc_at_eol (void);
2591 void gfc_advance_line (void);
2592 int gfc_check_include (void);
2593 int gfc_define_undef_line (void);
2595 int gfc_wide_is_printable (gfc_char_t
);
2596 int gfc_wide_is_digit (gfc_char_t
);
2597 int gfc_wide_fits_in_byte (gfc_char_t
);
2598 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2599 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2600 size_t gfc_wide_strlen (const gfc_char_t
*);
2601 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2602 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2603 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2604 gfc_char_t
*gfc_char_to_widechar (const char *);
2606 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2608 void gfc_skip_comments (void);
2609 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2610 gfc_char_t
gfc_next_char (void);
2611 char gfc_next_ascii_char (void);
2612 gfc_char_t
gfc_peek_char (void);
2613 char gfc_peek_ascii_char (void);
2614 void gfc_error_recovery (void);
2615 void gfc_gobble_whitespace (void);
2616 bool gfc_new_file (void);
2617 const char * gfc_read_orig_filename (const char *, const char **);
2619 extern gfc_source_form gfc_current_form
;
2620 extern const char *gfc_source_file
;
2621 extern locus gfc_current_locus
;
2623 void gfc_start_source_files (void);
2624 void gfc_end_source_files (void);
2627 void gfc_clear_ts (gfc_typespec
*);
2628 FILE *gfc_open_file (const char *);
2629 const char *gfc_basic_typename (bt
);
2630 const char *gfc_typename (gfc_typespec
*);
2631 const char *gfc_op2string (gfc_intrinsic_op
);
2632 const char *gfc_code2string (const mstring
*, int);
2633 int gfc_string2code (const mstring
*, const char *);
2634 const char *gfc_intent_string (sym_intent
);
2636 void gfc_init_1 (void);
2637 void gfc_init_2 (void);
2638 void gfc_done_1 (void);
2639 void gfc_done_2 (void);
2641 int get_c_kind (const char *, CInteropKind_t
*);
2644 unsigned int gfc_option_lang_mask (void);
2645 void gfc_init_options_struct (struct gcc_options
*);
2646 void gfc_init_options (unsigned int,
2647 struct cl_decoded_option
*);
2648 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2649 const struct cl_option_handlers
*);
2650 bool gfc_post_options (const char **);
2651 char *gfc_get_option_string (void);
2654 void gfc_maybe_initialize_eh (void);
2657 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2658 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2661 void gfc_error_init_1 (void);
2662 void gfc_diagnostics_init (void);
2663 void gfc_diagnostics_finish (void);
2664 void gfc_buffer_error (bool);
2666 const char *gfc_print_wide_char (gfc_char_t
);
2668 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2669 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2670 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2671 ATTRIBUTE_GCC_GFC(3,4);
2673 void gfc_clear_warning (void);
2674 void gfc_warning_check (void);
2676 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2677 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2678 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2679 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2680 void gfc_clear_error (void);
2681 bool gfc_error_check (void);
2682 bool gfc_error_flag_test (void);
2684 notification
gfc_notification_std (int);
2685 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2687 /* A general purpose syntax error. */
2688 #define gfc_syntax_error(ST) \
2689 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2691 #include "pretty-print.h" /* For output_buffer. */
2692 struct gfc_error_buffer
2695 output_buffer buffer
;
2696 gfc_error_buffer(void) : flag(false), buffer() {}
2699 void gfc_push_error (gfc_error_buffer
*);
2700 void gfc_pop_error (gfc_error_buffer
*);
2701 void gfc_free_error (gfc_error_buffer
*);
2703 void gfc_get_errors (int *, int *);
2704 void gfc_errors_to_warnings (bool);
2707 void gfc_arith_init_1 (void);
2708 void gfc_arith_done_1 (void);
2709 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2710 bool gfc_check_character_range (gfc_char_t
, int);
2713 bool gfc_check_any_c_kind (gfc_typespec
*);
2714 int gfc_validate_kind (bt
, int, bool);
2715 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2716 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2717 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2718 extern int gfc_index_integer_kind
;
2719 extern int gfc_default_integer_kind
;
2720 extern int gfc_max_integer_kind
;
2721 extern int gfc_default_real_kind
;
2722 extern int gfc_default_double_kind
;
2723 extern int gfc_default_character_kind
;
2724 extern int gfc_default_logical_kind
;
2725 extern int gfc_default_complex_kind
;
2726 extern int gfc_c_int_kind
;
2727 extern int gfc_atomic_int_kind
;
2728 extern int gfc_atomic_logical_kind
;
2729 extern int gfc_intio_kind
;
2730 extern int gfc_charlen_int_kind
;
2731 extern int gfc_numeric_storage_size
;
2732 extern int gfc_character_storage_size
;
2735 void gfc_clear_new_implicit (void);
2736 bool gfc_add_new_implicit_range (int, int);
2737 bool gfc_merge_new_implicit (gfc_typespec
*);
2738 void gfc_set_implicit_none (bool, bool, locus
*);
2739 void gfc_check_function_type (gfc_namespace
*);
2740 bool gfc_is_intrinsic_typename (const char *);
2742 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2743 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2745 void gfc_set_sym_referenced (gfc_symbol
*);
2747 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2748 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2749 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2750 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2751 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2752 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2753 bool gfc_add_external (symbol_attribute
*, locus
*);
2754 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2755 bool gfc_add_optional (symbol_attribute
*, locus
*);
2756 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2757 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2758 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2759 match
gfc_mod_pointee_as (gfc_array_spec
*);
2760 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2761 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2762 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2763 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2764 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2765 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2766 bool gfc_add_target (symbol_attribute
*, locus
*);
2767 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2768 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2769 bool gfc_add_common (symbol_attribute
*, locus
*);
2770 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2771 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2772 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2773 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2774 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2775 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2776 bool gfc_add_pure (symbol_attribute
*, locus
*);
2777 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2778 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2779 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2780 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2781 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2782 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2783 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2785 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2786 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2787 bool gfc_add_extension (symbol_attribute
*, locus
*);
2788 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2789 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2790 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2791 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2792 const char *, locus
*);
2793 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2794 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2795 gfc_formal_arglist
*, locus
*);
2796 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2798 void gfc_clear_attr (symbol_attribute
*);
2799 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2800 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2801 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
2802 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2803 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2804 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2805 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2807 gfc_st_label
*gfc_get_st_label (int);
2808 void gfc_free_st_label (gfc_st_label
*);
2809 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2810 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2812 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2813 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2814 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2815 void gfc_delete_symtree (gfc_symtree
**, const char *);
2816 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2817 gfc_user_op
*gfc_get_uop (const char *);
2818 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2819 void gfc_free_symbol (gfc_symbol
*);
2820 void gfc_release_symbol (gfc_symbol
*);
2821 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2822 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2823 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2824 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2825 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2826 bool gfc_verify_c_interop (gfc_typespec
*);
2827 bool gfc_verify_c_interop_param (gfc_symbol
*);
2828 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2829 bool verify_bind_c_derived_type (gfc_symbol
*);
2830 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2831 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2832 const char *, gfc_symtree
*, bool);
2833 void gfc_save_symbol_data (gfc_symbol
*);
2834 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2835 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2836 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2838 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2839 void gfc_drop_last_undo_checkpoint (void);
2840 void gfc_restore_last_undo_checkpoint (void);
2841 void gfc_undo_symbols (void);
2842 void gfc_commit_symbols (void);
2843 void gfc_commit_symbol (gfc_symbol
*);
2844 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2845 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2846 void gfc_free_namespace (gfc_namespace
*);
2848 void gfc_symbol_init_2 (void);
2849 void gfc_symbol_done_2 (void);
2851 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2852 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2853 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2854 void gfc_save_all (gfc_namespace
*);
2856 void gfc_enforce_clean_symbol_state (void);
2857 void gfc_free_dt_list (void);
2860 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2861 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2863 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2864 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2865 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2866 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2867 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2869 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2870 gfc_actual_arglist
*);
2872 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2874 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2875 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2877 bool gfc_is_associate_pointer (gfc_symbol
*);
2878 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2879 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2881 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2882 extern bool gfc_init_expr_flag
;
2884 /* Given a symbol that we have decided is intrinsic, mark it as such
2885 by placing it into a special module that is otherwise impossible to
2888 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2890 void gfc_intrinsic_init_1 (void);
2891 void gfc_intrinsic_done_1 (void);
2893 char gfc_type_letter (bt
);
2894 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2895 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2896 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2897 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2898 int gfc_generic_intrinsic (const char *);
2899 int gfc_specific_intrinsic (const char *);
2900 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2901 int gfc_intrinsic_actual_ok (const char *, const bool);
2902 gfc_intrinsic_sym
*gfc_find_function (const char *);
2903 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2904 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2905 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2906 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2907 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2910 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2911 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2913 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2914 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2917 /* match.c -- FIXME */
2918 void gfc_free_iterator (gfc_iterator
*, int);
2919 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2920 void gfc_free_alloc_list (gfc_alloc
*);
2921 void gfc_free_namelist (gfc_namelist
*);
2922 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2923 void gfc_free_equiv (gfc_equiv
*);
2924 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2925 void gfc_free_data (gfc_data
*);
2926 void gfc_reject_data (gfc_namespace
*);
2927 void gfc_free_case_list (gfc_case
*);
2929 /* matchexp.c -- FIXME too? */
2930 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2933 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2934 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2935 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2936 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2937 void gfc_free_omp_udr (gfc_omp_udr
*);
2938 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2939 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2940 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2941 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2942 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2943 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2944 void gfc_resolve_omp_udrs (gfc_symtree
*);
2945 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2946 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2947 void gfc_free_expr_list (gfc_expr_list
*);
2948 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
2949 void gfc_resolve_oacc_declare (gfc_namespace
*);
2950 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
2951 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
2954 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2955 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2956 const char *gfc_extract_int (gfc_expr
*, int *);
2957 bool is_subref_array (gfc_expr
*);
2958 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2959 bool gfc_check_init_expr (gfc_expr
*);
2961 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2962 void gfc_free_ref_list (gfc_ref
*);
2963 void gfc_type_convert_binary (gfc_expr
*, int);
2964 int gfc_is_constant_expr (gfc_expr
*);
2965 bool gfc_simplify_expr (gfc_expr
*, int);
2966 int gfc_has_vector_index (gfc_expr
*);
2968 gfc_expr
*gfc_get_expr (void);
2969 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2970 gfc_expr
*gfc_get_null_expr (locus
*);
2971 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2972 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2973 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2974 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2975 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2976 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2977 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2979 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2980 void gfc_free_shape (mpz_t
**shape
, int rank
);
2981 void gfc_free_expr (gfc_expr
*);
2982 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2983 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2984 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2985 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2986 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2988 bool gfc_specification_expr (gfc_expr
*);
2990 int gfc_numeric_ts (gfc_typespec
*);
2991 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2993 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2994 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2995 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2996 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2998 bool gfc_has_default_initializer (gfc_symbol
*);
2999 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3000 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3001 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3002 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3004 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3006 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3007 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3009 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3010 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3012 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3013 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3014 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3015 bool gfc_is_alloc_class_array_function (gfc_expr
*);
3017 bool gfc_ref_this_image (gfc_ref
*ref
);
3018 bool gfc_is_coindexed (gfc_expr
*);
3019 bool gfc_is_coarray (gfc_expr
*);
3020 int gfc_get_corank (gfc_expr
*);
3021 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3022 bool gfc_has_ultimate_pointer (gfc_expr
*);
3024 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3025 locus
, unsigned, ...);
3026 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3030 extern gfc_code new_st
;
3032 void gfc_clear_new_st (void);
3033 gfc_code
*gfc_get_code (gfc_exec_op
);
3034 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3035 void gfc_free_statement (gfc_code
*);
3036 void gfc_free_statements (gfc_code
*);
3037 void gfc_free_association_list (gfc_association_list
*);
3040 bool gfc_resolve_expr (gfc_expr
*);
3041 void gfc_resolve (gfc_namespace
*);
3042 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3043 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3044 int gfc_impure_variable (gfc_symbol
*);
3045 int gfc_pure (gfc_symbol
*);
3046 int gfc_implicit_pure (gfc_symbol
*);
3047 void gfc_unset_implicit_pure (gfc_symbol
*);
3048 int gfc_elemental (gfc_symbol
*);
3049 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3050 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3051 bool gfc_resolve_index (gfc_expr
*, int);
3052 bool gfc_resolve_dim_arg (gfc_expr
*);
3053 int gfc_is_formal_arg (void);
3054 void gfc_resolve_substring_charlen (gfc_expr
*);
3055 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3056 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3057 bool gfc_type_is_extensible (gfc_symbol
*);
3058 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3059 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3060 extern int gfc_do_concurrent_flag
;
3064 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3066 void gfc_free_array_spec (gfc_array_spec
*);
3067 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3069 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3070 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3071 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3073 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3075 void gfc_simplify_iterator_var (gfc_expr
*);
3076 bool gfc_expand_constructor (gfc_expr
*, bool);
3077 int gfc_constant_ac (gfc_expr
*);
3078 int gfc_expanded_ac (gfc_expr
*);
3079 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3080 bool gfc_resolve_array_constructor (gfc_expr
*);
3081 bool gfc_check_constructor_type (gfc_expr
*);
3082 bool gfc_check_iter_variable (gfc_expr
*);
3083 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3084 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3085 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3086 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3087 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3088 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3089 bool spec_size (gfc_array_spec
*, mpz_t
*);
3090 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3091 int gfc_is_compile_time_shape (gfc_array_spec
*);
3093 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3096 /* interface.c -- FIXME: some of these should be in symbol.c */
3097 void gfc_free_interface (gfc_interface
*);
3098 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3099 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3100 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3102 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3104 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3105 char *, int, const char *, const char *);
3106 void gfc_check_interfaces (gfc_namespace
*);
3107 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3108 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3109 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3110 gfc_actual_arglist
**);
3111 match
gfc_extend_expr (gfc_expr
*);
3112 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3113 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3114 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3115 bool gfc_add_interface (gfc_symbol
*);
3116 gfc_interface
*gfc_current_interface_head (void);
3117 void gfc_set_current_interface_head (gfc_interface
*);
3118 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3119 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3120 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3121 int gfc_has_vector_subscript (gfc_expr
*);
3122 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3123 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3126 extern gfc_st_label format_asterisk
;
3128 void gfc_free_open (gfc_open
*);
3129 bool gfc_resolve_open (gfc_open
*);
3130 void gfc_free_close (gfc_close
*);
3131 bool gfc_resolve_close (gfc_close
*);
3132 void gfc_free_filepos (gfc_filepos
*);
3133 bool gfc_resolve_filepos (gfc_filepos
*);
3134 void gfc_free_inquire (gfc_inquire
*);
3135 bool gfc_resolve_inquire (gfc_inquire
*);
3136 void gfc_free_dt (gfc_dt
*);
3137 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3138 void gfc_free_wait (gfc_wait
*);
3139 bool gfc_resolve_wait (gfc_wait
*);
3142 void gfc_module_init_2 (void);
3143 void gfc_module_done_2 (void);
3144 void gfc_dump_module (const char *, int);
3145 bool gfc_check_symbol_access (gfc_symbol
*);
3146 void gfc_free_use_stmts (gfc_use_list
*);
3149 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3150 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3151 match
gfc_match_rvalue (gfc_expr
**);
3152 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3153 int gfc_check_digit (char, int);
3154 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3155 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3157 gfc_actual_arglist
**, bool);
3160 void gfc_generate_code (gfc_namespace
*);
3161 void gfc_generate_module_code (gfc_namespace
*);
3163 /* trans-intrinsic.c */
3164 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3167 typedef int (*compare_fn
) (void *, void *);
3168 void gfc_insert_bbt (void *, void *, compare_fn
);
3169 void gfc_delete_bbt (void *, void *, compare_fn
);
3171 /* dump-parse-tree.c */
3172 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3175 bool gfc_parse_file (void);
3176 void gfc_global_used (gfc_gsymbol
*, locus
*);
3177 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3180 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3181 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3182 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3185 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3186 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3187 size_t*, size_t*, size_t*);
3190 void gfc_fix_class_refs (gfc_expr
*e
);
3191 void gfc_add_component_ref (gfc_expr
*, const char *);
3192 void gfc_add_class_array_ref (gfc_expr
*);
3193 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3194 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3195 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3196 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3197 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3198 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3199 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3200 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3201 bool gfc_is_class_scalar_expr (gfc_expr
*);
3202 bool gfc_is_class_container_ref (gfc_expr
*e
);
3203 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3204 unsigned int gfc_hash_value (gfc_symbol
*);
3205 gfc_expr
*gfc_get_len_component (gfc_expr
*e
);
3206 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3208 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3209 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3210 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3211 const char*, bool, locus
*);
3212 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3213 const char*, bool, locus
*);
3214 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3215 gfc_intrinsic_op
, bool,
3217 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3218 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3220 #define CLASS_DATA(sym) sym->ts.u.derived->components
3221 #define UNLIMITED_POLY(sym) \
3222 (sym != NULL && sym->ts.type == BT_CLASS \
3223 && CLASS_DATA (sym) \
3224 && CLASS_DATA (sym)->ts.u.derived \
3225 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3226 #define IS_CLASS_ARRAY(sym) \
3227 (sym->ts.type == BT_CLASS \
3228 && CLASS_DATA (sym) \
3229 && CLASS_DATA (sym)->attr.dimension \
3230 && !CLASS_DATA (sym)->attr.class_pointer)
3232 /* frontend-passes.c */
3234 void gfc_run_passes (gfc_namespace
*);
3236 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3237 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3239 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3240 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3241 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3245 void gfc_convert_mpz_to_signed (mpz_t
, int);
3246 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3250 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3252 #endif /* GCC_GFORTRAN_H */