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
};
109 /* These are flags for identifying whether we are reading a character literal
110 between quotes or normal source code. */
113 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
};
115 /* This is returned by gfc_notification_std to know if, given the flags
116 that were given (-std=, -pedantic) we should issue an error, a warning
120 { SILENT
, WARNING
, ERROR
};
122 /* Matchers return one of these three values. The difference between
123 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
124 successful, but that something non-syntactic is wrong and an error
125 has already been issued. */
128 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
};
130 /* Used for different Fortran source forms in places like scanner.c. */
132 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
};
134 /* Expression node types. */
136 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
137 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
142 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
143 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
148 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
};
150 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
151 related to shared DO terminations and DO targets which are neither END DO
152 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
154 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
155 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
158 /* Intrinsic operators. */
159 enum gfc_intrinsic_op
160 { GFC_INTRINSIC_BEGIN
= 0,
161 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
162 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
163 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
164 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
165 /* ==, /=, >, >=, <, <= */
166 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
167 INTRINSIC_LT
, INTRINSIC_LE
,
168 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
169 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
170 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
171 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
172 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
175 /* This macro is the number of intrinsic operators that exist.
176 Assumptions are made about the numbering of the interface_op enums. */
177 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
179 /* Arithmetic results. */
181 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
182 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
188 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
189 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
190 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
191 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
192 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
193 ST_ENDDO
, ST_IMPLIED_ENDDO
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
194 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
195 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
196 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
197 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
198 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
199 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
200 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
201 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
202 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
203 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
204 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
205 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
206 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
207 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
208 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
209 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
210 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
211 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
212 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
213 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
214 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
215 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
216 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
217 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
218 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
219 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
220 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
221 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
222 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
223 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
224 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
225 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
226 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
227 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
228 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
229 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
230 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
231 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
232 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
233 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
234 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
235 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
236 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
237 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
238 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
239 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
240 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
241 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
242 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
243 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
246 /* Types of interfaces that we can have. Assignment interfaces are
247 considered to be intrinsic operators. */
250 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
251 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
254 /* Symbol flavors: these are all mutually exclusive.
255 10 elements = 4 bits. */
258 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
259 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
263 /* Procedure types. 7 elements = 3 bits. */
265 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
266 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
271 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
276 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
279 /* Flags to keep track of where an interface came from.
280 3 elements = 2 bits. */
282 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
283 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
284 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
285 with explicit interface. */
288 /* Whether a SAVE attribute was set explicitly or implicitly. */
290 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
293 /* Strings for all symbol attributes. We use these for dumping the
294 parse tree, in error messages, and also when reading and writing
295 modules. In symbol.c. */
296 extern const mstring flavors
[];
297 extern const mstring procedures
[];
298 extern const mstring intents
[];
299 extern const mstring access_types
[];
300 extern const mstring ifsrc_types
[];
301 extern const mstring save_status
[];
303 /* Enumeration of all the generic intrinsic functions. Used by the
304 backend for identification of a function. */
308 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
309 the backend (e.g. KIND). */
337 GFC_ISYM_ATOMIC_FETCH_ADD
,
338 GFC_ISYM_ATOMIC_FETCH_AND
,
339 GFC_ISYM_ATOMIC_FETCH_OR
,
340 GFC_ISYM_ATOMIC_FETCH_XOR
,
357 GFC_ISYM_CO_BROADCAST
,
362 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
363 GFC_ISYM_COMPILER_OPTIONS
,
364 GFC_ISYM_COMPILER_VERSION
,
374 GFC_ISYM_C_ASSOCIATED
,
375 GFC_ISYM_C_F_POINTER
,
376 GFC_ISYM_C_F_PROCPOINTER
,
380 GFC_ISYM_DATE_AND_TIME
,
384 GFC_ISYM_DOT_PRODUCT
,
393 GFC_ISYM_ERFC_SCALED
,
395 GFC_ISYM_EXECUTE_COMMAND_LINE
,
399 GFC_ISYM_EXTENDS_TYPE_OF
,
401 GFC_ISYM_FE_RUNTIME_ERROR
,
417 GFC_ISYM_GET_COMMAND
,
418 GFC_ISYM_GET_COMMAND_ARGUMENT
,
421 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
442 GFC_ISYM_IMAGE_INDEX
,
451 GFC_ISYM_IS_IOSTAT_END
,
452 GFC_ISYM_IS_IOSTAT_EOR
,
487 GFC_ISYM_MAXEXPONENT
,
495 GFC_ISYM_MINEXPONENT
,
520 GFC_ISYM_RANDOM_NUMBER
,
521 GFC_ISYM_RANDOM_SEED
,
530 GFC_ISYM_SAME_TYPE_AS
,
536 GFC_ISYM_SET_EXPONENT
,
556 GFC_ISYM_STORAGE_SIZE
,
562 GFC_ISYM_SYSTEM_CLOCK
,
587 enum init_local_logical
589 GFC_INIT_LOGICAL_OFF
= 0,
590 GFC_INIT_LOGICAL_FALSE
,
591 GFC_INIT_LOGICAL_TRUE
594 enum init_local_character
596 GFC_INIT_CHARACTER_OFF
= 0,
597 GFC_INIT_CHARACTER_ON
600 enum init_local_integer
602 GFC_INIT_INTEGER_OFF
= 0,
614 /************************* Structures *****************************/
616 /* Used for keeping things in balanced binary trees. */
617 #define BBT_HEADER(self) int priority; struct self *left, *right
619 #define NAMED_INTCST(a,b,c,d) a,
620 #define NAMED_KINDARRAY(a,b,c,d) a,
621 #define NAMED_FUNCTION(a,b,c,d) a,
622 #define NAMED_SUBROUTINE(a,b,c,d) a,
623 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
624 enum iso_fortran_env_symbol
626 ISOFORTRANENV_INVALID
= -1,
627 #include "iso-fortran-env.def"
628 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
631 #undef NAMED_KINDARRAY
632 #undef NAMED_FUNCTION
633 #undef NAMED_SUBROUTINE
634 #undef NAMED_DERIVED_TYPE
636 #define NAMED_INTCST(a,b,c,d) a,
637 #define NAMED_REALCST(a,b,c,d) a,
638 #define NAMED_CMPXCST(a,b,c,d) a,
639 #define NAMED_LOGCST(a,b,c) a,
640 #define NAMED_CHARKNDCST(a,b,c) a,
641 #define NAMED_CHARCST(a,b,c) a,
642 #define DERIVED_TYPE(a,b,c) a,
643 #define NAMED_FUNCTION(a,b,c,d) a,
644 #define NAMED_SUBROUTINE(a,b,c,d) a,
645 enum iso_c_binding_symbol
647 ISOCBINDING_INVALID
= -1,
648 #include "iso-c-binding.def"
650 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
656 #undef NAMED_CHARKNDCST
659 #undef NAMED_FUNCTION
660 #undef NAMED_SUBROUTINE
664 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
665 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
670 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
671 int value
; /* Used for both integer and character values. */
676 /* Array of structs, where the structs represent the C interop kinds.
677 The list will be implemented based on a hash of the kind name since
678 these could be accessed multiple times.
679 Declared in trans-types.c as a global, since it's in that file
680 that the list is initialized. */
681 extern CInteropKind_t c_interop_kinds_table
[];
684 /* Structure and list of supported extension attributes. */
687 EXT_ATTR_DLLIMPORT
= 0,
692 EXT_ATTR_NO_ARG_CHECK
,
693 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
701 const char *middle_end_name
;
705 extern const ext_attr_t ext_attr_list
[];
707 /* Symbol attribute structure. */
710 /* Variable attributes. */
711 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
712 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
713 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
714 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
715 contiguous
:1, fe_temp
: 1;
717 /* For CLASS containers, the pointer attribute is sometimes set internally
718 even though it was not directly specified. In this case, keep the
719 "real" (original) value here. */
720 unsigned class_pointer
:1;
722 ENUM_BITFIELD (save_state
) save
:2;
724 unsigned data
:1, /* Symbol is named in a DATA statement. */
725 is_protected
:1, /* Symbol has been marked as protected. */
726 use_assoc
:1, /* Symbol has been use-associated. */
727 used_in_submodule
:1, /* Symbol has been use-associated in a
728 submodule. Needed since these entities must
729 be set host associated to be compliant. */
730 use_only
:1, /* Symbol has been use-associated, with ONLY. */
731 use_rename
:1, /* Symbol has been use-associated and renamed. */
732 imported
:1, /* Symbol has been associated by IMPORT. */
733 host_assoc
:1; /* Symbol has been host associated. */
735 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
736 unsigned function
:1, subroutine
:1, procedure
:1;
737 unsigned generic
:1, generic_copy
:1;
738 unsigned implicit_type
:1; /* Type defined via implicit rules. */
739 unsigned untyped
:1; /* No implicit type could be found. */
741 unsigned is_bind_c
:1; /* say if is bound to C. */
742 unsigned extension
:8; /* extension level of a derived type. */
743 unsigned is_class
:1; /* is a CLASS container. */
744 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
745 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
746 unsigned vtype
:1; /* is a derived type of a vtab. */
748 /* These flags are both in the typespec and attribute. The attribute
749 list is what gets read from/written to a module file. The typespec
750 is created from a decl being processed. */
751 unsigned is_c_interop
:1; /* It's c interoperable. */
752 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
754 /* Function/subroutine attributes */
755 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
756 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
758 /* Set if this is a module function or subroutine. Note that it is an
759 attribute because it appears as a prefix in the declaration like
761 unsigned module_procedure
:1;
763 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
764 which is relevant for private module procedures. */
765 unsigned public_used
:1;
767 /* This is set if a contained procedure could be declared pure. This is
768 used for certain optimizations that require the result or arguments
769 cannot alias. Note that this is zero for PURE procedures. */
770 unsigned implicit_pure
:1;
772 /* This is set for a procedure that contains expressions referencing
773 arrays coming from outside its namespace.
774 This is used to force the creation of a temporary when the LHS of
775 an array assignment may be used by an elemental procedure appearing
777 unsigned array_outer_dependency
:1;
779 /* This is set if the subroutine doesn't return. Currently, this
780 is only possible for intrinsic subroutines. */
783 /* Set if this procedure is an alternate entry point. These procedures
784 don't have any code associated, and the backend will turn them into
785 thunks to the master function. */
788 /* Set if this is the master function for a procedure with multiple
790 unsigned entry_master
:1;
792 /* Set if this is the master function for a function with multiple
793 entry points where characteristics of the entry points differ. */
794 unsigned mixed_entry_master
:1;
796 /* Set if a function must always be referenced by an explicit interface. */
797 unsigned always_explicit
:1;
799 /* Set if the symbol is generated and, hence, standard violations
800 shouldn't be flaged. */
801 unsigned artificial
:1;
803 /* Set if the symbol has been referenced in an expression. No further
804 modification of type or type parameters is permitted. */
805 unsigned referenced
:1;
807 /* Set if this is the symbol for the main program. */
808 unsigned is_main_program
:1;
810 /* Mutually exclusive multibit attributes. */
811 ENUM_BITFIELD (gfc_access
) access
:2;
812 ENUM_BITFIELD (sym_intent
) intent
:2;
813 ENUM_BITFIELD (sym_flavor
) flavor
:4;
814 ENUM_BITFIELD (ifsrc
) if_source
:2;
816 ENUM_BITFIELD (procedure_type
) proc
:3;
818 /* Special attributes for Cray pointers, pointees. */
819 unsigned cray_pointer
:1, cray_pointee
:1;
821 /* The symbol is a derived type with allocatable components, pointer
822 components or private components, procedure pointer components,
823 possibly nested. zero_comp is true if the derived type has no
824 component at all. defined_assign_comp is true if the derived
825 type or a (sub-)component has a typebound defined assignment.
826 unlimited_polymorphic flags the type of the container for these
828 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
829 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
830 defined_assign_comp
:1, unlimited_polymorphic
:1;
832 /* This is a temporary selector for SELECT TYPE or an associate
833 variable for SELECT_TYPE or ASSOCIATE. */
834 unsigned select_type_temporary
:1, associate_var
:1;
836 /* This is omp_{out,in,priv,orig} artificial variable in
837 !$OMP DECLARE REDUCTION. */
838 unsigned omp_udr_artificial_var
:1;
840 /* Mentioned in OMP DECLARE TARGET. */
841 unsigned omp_declare_target
:1;
843 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
844 unsigned ext_attr
:EXT_ATTR_NUM
;
846 /* The namespace where the attribute has been set. */
847 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
852 /* We need to store source lines as sequences of multibyte source
853 characters. We define here a type wide enough to hold any multibyte
854 source character, just like libcpp does. A 32-bit type is enough. */
856 #if HOST_BITS_PER_INT >= 32
857 typedef unsigned int gfc_char_t
;
858 #elif HOST_BITS_PER_LONG >= 32
859 typedef unsigned long gfc_char_t
;
860 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
861 typedef unsigned long long gfc_char_t
;
863 # error "Cannot find an integer type with at least 32 bits"
867 /* The following three structures are used to identify a location in
870 gfc_file is used to maintain a tree of the source files and how
871 they include each other
873 gfc_linebuf holds a single line of source code and information
874 which file it resides in
876 locus point to the sourceline and the character in the source
880 typedef struct gfc_file
882 struct gfc_file
*next
, *up
;
883 int inclusion_line
, line
;
887 typedef struct gfc_linebuf
889 source_location location
;
890 struct gfc_file
*file
;
891 struct gfc_linebuf
*next
;
899 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
901 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
909 /* In order for the "gfc" format checking to work correctly, you must
910 have declared a typedef locus first. */
911 #if GCC_VERSION >= 4001
912 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
914 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
918 /* Suppress error messages or re-enable them. */
920 void gfc_push_suppress_errors (void);
921 void gfc_pop_suppress_errors (void);
924 /* Character length structures hold the expression that gives the
925 length of a character variable. We avoid putting these into
926 gfc_typespec because doing so prevents us from doing structure
927 copies and forces us to deallocate any typespecs we create, as well
928 as structures that contain typespecs. They also can have multiple
929 character typespecs pointing to them.
931 These structures form a singly linked list within the current
932 namespace and are deallocated with the namespace. It is possible to
933 end up with gfc_charlen structures that have nothing pointing to them. */
935 typedef struct gfc_charlen
937 struct gfc_expr
*length
;
938 struct gfc_charlen
*next
;
939 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
941 tree passed_length
; /* Length argument explicitly passed. */
947 #define gfc_get_charlen() XCNEW (gfc_charlen)
949 /* Type specification structure. */
957 struct gfc_symbol
*derived
; /* For derived types only. */
958 gfc_charlen
*cl
; /* For character types only. */
959 int pad
; /* For hollerith types only. */
963 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
971 /* Array specification. */
974 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
976 array_type type
, cotype
;
977 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
979 /* These two fields are used with the Cray Pointer extension. */
980 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
981 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
982 AS_EXPLICIT, but we want to remember that we
989 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
992 /* Components of derived types. */
993 typedef struct gfc_component
998 symbol_attribute attr
;
1002 /* Used to cache a FIELD_DECL matching this same component
1003 but applied to a different backend containing type that was
1004 generated by gfc_nonrestricted_type. */
1005 tree norestrict_decl
;
1007 struct gfc_expr
*initializer
;
1008 struct gfc_component
*next
;
1010 /* Needed for procedure pointer components. */
1011 struct gfc_typebound_proc
*tb
;
1015 #define gfc_get_component() XCNEW (gfc_component)
1017 /* Formal argument lists are lists of symbols. */
1018 typedef struct gfc_formal_arglist
1020 /* Symbol representing the argument at this position in the arglist. */
1021 struct gfc_symbol
*sym
;
1022 /* Points to the next formal argument. */
1023 struct gfc_formal_arglist
*next
;
1027 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1030 /* The gfc_actual_arglist structure is for actual arguments. */
1031 typedef struct gfc_actual_arglist
1034 /* Alternate return label when the expr member is null. */
1035 struct gfc_st_label
*label
;
1037 /* This is set to the type of an eventual omitted optional
1038 argument. This is used to determine if a hidden string length
1039 argument has to be added to a function call. */
1040 bt missing_arg_type
;
1042 struct gfc_expr
*expr
;
1043 struct gfc_actual_arglist
*next
;
1047 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1050 /* Because a symbol can belong to multiple namelists, they must be
1051 linked externally to the symbol itself. */
1052 typedef struct gfc_namelist
1054 struct gfc_symbol
*sym
;
1055 struct gfc_namelist
*next
;
1059 #define gfc_get_namelist() XCNEW (gfc_namelist)
1061 /* Likewise to gfc_namelist, but contains expressions. */
1062 typedef struct gfc_expr_list
1064 struct gfc_expr
*expr
;
1065 struct gfc_expr_list
*next
;
1069 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1071 enum gfc_omp_reduction_op
1073 OMP_REDUCTION_NONE
= -1,
1074 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1075 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1076 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1077 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1078 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1079 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1080 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1081 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1089 enum gfc_omp_depend_op
1102 OMP_MAP_FORCE_ALLOC
,
1103 OMP_MAP_FORCE_DEALLOC
,
1106 OMP_MAP_FORCE_TOFROM
,
1107 OMP_MAP_FORCE_PRESENT
,
1108 OMP_MAP_FORCE_DEVICEPTR
1111 /* For use in OpenMP clauses in case we need extra information
1112 (aligned clause alignment, linear clause step, etc.). */
1114 typedef struct gfc_omp_namelist
1116 struct gfc_symbol
*sym
;
1117 struct gfc_expr
*expr
;
1120 gfc_omp_reduction_op reduction_op
;
1121 gfc_omp_depend_op depend_op
;
1122 gfc_omp_map_op map_op
;
1124 struct gfc_omp_namelist_udr
*udr
;
1125 struct gfc_omp_namelist
*next
;
1130 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1135 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1136 OMP_LIST_FIRSTPRIVATE
,
1137 OMP_LIST_LASTPRIVATE
,
1138 OMP_LIST_COPYPRIVATE
,
1149 OMP_LIST_DEVICE_RESIDENT
,
1150 OMP_LIST_USE_DEVICE
,
1155 /* Because a symbol can belong to multiple namelists, they must be
1156 linked externally to the symbol itself. */
1158 enum gfc_omp_sched_kind
1168 enum gfc_omp_default_sharing
1170 OMP_DEFAULT_UNKNOWN
,
1172 OMP_DEFAULT_PRIVATE
,
1174 OMP_DEFAULT_FIRSTPRIVATE
1177 enum gfc_omp_proc_bind_kind
1179 OMP_PROC_BIND_UNKNOWN
,
1180 OMP_PROC_BIND_MASTER
,
1181 OMP_PROC_BIND_SPREAD
,
1185 enum gfc_omp_cancel_kind
1188 OMP_CANCEL_PARALLEL
,
1189 OMP_CANCEL_SECTIONS
,
1191 OMP_CANCEL_TASKGROUP
1194 typedef struct gfc_omp_clauses
1196 struct gfc_expr
*if_expr
;
1197 struct gfc_expr
*final_expr
;
1198 struct gfc_expr
*num_threads
;
1199 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1200 enum gfc_omp_sched_kind sched_kind
;
1201 struct gfc_expr
*chunk_size
;
1202 enum gfc_omp_default_sharing default_sharing
;
1204 bool nowait
, ordered
, untied
, mergeable
;
1205 bool inbranch
, notinbranch
;
1206 enum gfc_omp_cancel_kind cancel
;
1207 enum gfc_omp_proc_bind_kind proc_bind
;
1208 struct gfc_expr
*safelen_expr
;
1209 struct gfc_expr
*simdlen_expr
;
1210 struct gfc_expr
*num_teams
;
1211 struct gfc_expr
*device
;
1212 struct gfc_expr
*thread_limit
;
1213 enum gfc_omp_sched_kind dist_sched_kind
;
1214 struct gfc_expr
*dist_chunk_size
;
1217 struct gfc_expr
*async_expr
;
1218 struct gfc_expr
*gang_expr
;
1219 struct gfc_expr
*worker_expr
;
1220 struct gfc_expr
*vector_expr
;
1221 struct gfc_expr
*num_gangs_expr
;
1222 struct gfc_expr
*num_workers_expr
;
1223 struct gfc_expr
*vector_length_expr
;
1224 gfc_expr_list
*wait_list
;
1225 gfc_expr_list
*tile_list
;
1226 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1227 unsigned wait
:1, par_auto
:1, gang_static
:1;
1233 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1236 /* Node in the linked list used for storing !$omp declare simd constructs. */
1238 typedef struct gfc_omp_declare_simd
1240 struct gfc_omp_declare_simd
*next
;
1241 locus where
; /* Where the !$omp declare simd construct occurred. */
1243 gfc_symbol
*proc_name
;
1245 gfc_omp_clauses
*clauses
;
1247 gfc_omp_declare_simd
;
1248 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1250 typedef struct gfc_omp_udr
1252 struct gfc_omp_udr
*next
;
1253 locus where
; /* Where the !$omp declare reduction construct occurred. */
1257 gfc_omp_reduction_op rop
;
1259 struct gfc_symbol
*omp_out
;
1260 struct gfc_symbol
*omp_in
;
1261 struct gfc_namespace
*combiner_ns
;
1263 struct gfc_symbol
*omp_priv
;
1264 struct gfc_symbol
*omp_orig
;
1265 struct gfc_namespace
*initializer_ns
;
1268 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1270 typedef struct gfc_omp_namelist_udr
1272 struct gfc_omp_udr
*udr
;
1273 struct gfc_code
*combiner
;
1274 struct gfc_code
*initializer
;
1276 gfc_omp_namelist_udr
;
1277 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1279 /* The gfc_st_label structure is a BBT attached to a namespace that
1280 records the usage of statement labels within that space. */
1282 typedef struct gfc_st_label
1284 BBT_HEADER(gfc_st_label
);
1288 gfc_sl_type defined
, referenced
;
1290 struct gfc_expr
*format
;
1301 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1302 typedef struct gfc_interface
1304 struct gfc_symbol
*sym
;
1306 struct gfc_interface
*next
;
1310 #define gfc_get_interface() XCNEW (gfc_interface)
1312 /* User operator nodes. These are like stripped down symbols. */
1318 struct gfc_namespace
*ns
;
1324 /* A list of specific bindings that are associated with a generic spec. */
1325 typedef struct gfc_tbp_generic
1327 /* The parser sets specific_st, upon resolution we look for the corresponding
1328 gfc_typebound_proc and set specific for further use. */
1329 struct gfc_symtree
* specific_st
;
1330 struct gfc_typebound_proc
* specific
;
1332 struct gfc_tbp_generic
* next
;
1337 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1340 /* Data needed for type-bound procedures. */
1341 typedef struct gfc_typebound_proc
1343 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1347 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1348 gfc_tbp_generic
* generic
;
1353 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1355 /* The overridden type-bound proc (or GENERIC with this name in the
1356 parent-type) or NULL if non. */
1357 struct gfc_typebound_proc
* overridden
;
1359 /* Once resolved, we use the position of pass_arg in the formal arglist of
1360 the binding-target procedure to identify it. The first argument has
1361 number 1 here, the second 2, and so on. */
1362 unsigned pass_arg_num
;
1364 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1365 unsigned non_overridable
:1;
1366 unsigned deferred
:1;
1367 unsigned is_generic
:1;
1368 unsigned function
:1, subroutine
:1;
1369 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1375 /* Symbol nodes. These are important things. They are what the
1376 standard refers to as "entities". The possibly multiple names that
1377 refer to the same entity are accomplished by a binary tree of
1378 symtree structures that is balanced by the red-black method-- more
1379 than one symtree node can point to any given symbol. */
1381 typedef struct gfc_symbol
1383 const char *name
; /* Primary name, before renaming */
1384 const char *module
; /* Module this symbol came from */
1388 symbol_attribute attr
;
1390 /* The formal member points to the formal argument list if the
1391 symbol is a function or subroutine name. If the symbol is a
1392 generic name, the generic member points to the list of
1395 gfc_interface
*generic
;
1396 gfc_access component_access
;
1398 gfc_formal_arglist
*formal
;
1399 struct gfc_namespace
*formal_ns
;
1400 struct gfc_namespace
*f2k_derived
;
1402 struct gfc_expr
*value
; /* Parameter/Initializer value */
1404 struct gfc_symbol
*result
; /* function result symbol */
1405 gfc_component
*components
; /* Derived type components */
1407 /* Defined only for Cray pointees; points to their pointer. */
1408 struct gfc_symbol
*cp_pointer
;
1410 int entry_id
; /* Used in resolve.c for entries. */
1412 /* CLASS hashed name for declared and dynamic types in the class. */
1415 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1417 /* This is only used for pointer comparisons to check if symbols
1418 are in the same common block.
1419 In opposition to common_block, the common_head pointer takes into account
1420 equivalences: if A is in a common block C and A and B are in equivalence,
1421 then both A and B have common_head pointing to C, while A's common_block
1422 points to C and B's is NULL. */
1423 struct gfc_common_head
* common_head
;
1425 /* Make sure setup code for dummy arguments is generated in the correct
1429 gfc_namelist
*namelist
, *namelist_tail
;
1431 /* Change management fields. Symbols that might be modified by the
1432 current statement have the mark member nonzero and are kept in a
1433 singly linked list through the tlink field. Of these symbols,
1434 symbols with old_symbol equal to NULL are symbols created within
1435 the current statement. Otherwise, old_symbol points to a copy of
1438 struct gfc_symbol
*old_symbol
, *tlink
;
1439 unsigned mark
:1, gfc_new
:1;
1440 /* Nonzero if all equivalences associated with this symbol have been
1442 unsigned equiv_built
:1;
1443 /* Set if this variable is used as an index name in a FORALL. */
1444 unsigned forall_index
:1;
1445 /* Used to avoid multiple resolutions of a single symbol. */
1446 unsigned resolved
:1;
1447 /* Set if this is a module function or subroutine with the
1448 abreviated declaration in a submodule. */
1449 unsigned abr_modproc_decl
:1;
1452 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1456 /* Identity of the intrinsic module the symbol comes from, or
1457 INTMOD_NONE if it's not imported from a intrinsic module. */
1458 intmod_id from_intmod
;
1459 /* Identity of the symbol from intrinsic modules, from enums maintained
1460 separately by each intrinsic module. Used together with from_intmod,
1461 it uniquely identifies a symbol from an intrinsic module. */
1464 /* This may be repetitive, since the typespec now has a binding
1466 const char* binding_label
;
1467 /* Store a reference to the common_block, if this symbol is in one. */
1468 struct gfc_common_head
*common_block
;
1470 /* Link to corresponding association-list if this is an associate name. */
1471 struct gfc_association_list
*assoc
;
1476 struct gfc_undo_change_set
1478 vec
<gfc_symbol
*> syms
;
1479 vec
<gfc_typebound_proc
*> tbps
;
1480 gfc_undo_change_set
*previous
;
1484 /* This structure is used to keep track of symbols in common blocks. */
1485 typedef struct gfc_common_head
1488 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1489 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1490 struct gfc_symbol
*head
;
1491 const char* binding_label
;
1497 #define gfc_get_common_head() XCNEW (gfc_common_head)
1500 /* A list of all the alternate entry points for a procedure. */
1502 typedef struct gfc_entry_list
1504 /* The symbol for this entry point. */
1506 /* The zero-based id of this entry point. */
1508 /* The LABEL_EXPR marking this entry point. */
1510 /* The next item in the list. */
1511 struct gfc_entry_list
*next
;
1515 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1517 /* Lists of rename info for the USE statement. */
1519 typedef struct gfc_use_rename
1521 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1522 struct gfc_use_rename
*next
;
1524 gfc_intrinsic_op op
;
1529 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1531 /* A list of all USE statements in a namespace. */
1533 typedef struct gfc_use_list
1535 const char *module_name
;
1536 const char *submodule_name
;
1540 struct gfc_use_rename
*rename
;
1542 /* Next USE statement. */
1543 struct gfc_use_list
*next
;
1547 #define gfc_get_use_list() XCNEW (gfc_use_list)
1549 /* Within a namespace, symbols are pointed to by symtree nodes that
1550 are linked together in a balanced binary tree. There can be
1551 several symtrees pointing to the same symbol node via USE
1554 typedef struct gfc_symtree
1556 BBT_HEADER (gfc_symtree
);
1561 gfc_symbol
*sym
; /* Symbol associated with this node */
1563 gfc_common_head
*common
;
1564 gfc_typebound_proc
*tb
;
1565 gfc_omp_udr
*omp_udr
;
1571 /* A linked list of derived types in the namespace. */
1572 typedef struct gfc_dt_list
1574 struct gfc_symbol
*derived
;
1575 struct gfc_dt_list
*next
;
1579 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1581 /* A list of all derived types. */
1582 extern gfc_dt_list
*gfc_derived_types
;
1584 /* A namespace describes the contents of procedure, module, interface block
1585 or BLOCK construct. */
1586 /* ??? Anything else use these? */
1588 typedef struct gfc_namespace
1590 /* Tree containing all the symbols in this namespace. */
1591 gfc_symtree
*sym_root
;
1592 /* Tree containing all the user-defined operators in the namespace. */
1593 gfc_symtree
*uop_root
;
1594 /* Tree containing all the common blocks. */
1595 gfc_symtree
*common_root
;
1596 /* Tree containing all the OpenMP user defined reductions. */
1597 gfc_symtree
*omp_udr_root
;
1599 /* Tree containing type-bound procedures. */
1600 gfc_symtree
*tb_sym_root
;
1601 /* Type-bound user operators. */
1602 gfc_symtree
*tb_uop_root
;
1603 /* For derived-types, store type-bound intrinsic operators here. */
1604 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1605 /* Linked list of finalizer procedures. */
1606 struct gfc_finalizer
*finalizers
;
1608 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1609 int set_flag
[GFC_LETTERS
];
1610 /* Keeps track of the implicit types associated with the letters. */
1611 gfc_typespec default_type
[GFC_LETTERS
];
1612 /* Store the positions of IMPLICIT statements. */
1613 locus implicit_loc
[GFC_LETTERS
];
1615 /* If this is a namespace of a procedure, this points to the procedure. */
1616 struct gfc_symbol
*proc_name
;
1617 /* If this is the namespace of a unit which contains executable
1618 code, this points to it. */
1619 struct gfc_code
*code
;
1621 /* Points to the equivalences set up in this namespace. */
1622 struct gfc_equiv
*equiv
, *old_equiv
;
1624 /* Points to the equivalence groups produced by trans_common. */
1625 struct gfc_equiv_list
*equiv_lists
;
1627 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1629 /* Points to the parent namespace, i.e. the namespace of a module or
1630 procedure in which the procedure belonging to this namespace is
1631 contained. The parent namespace points to this namespace either
1632 directly via CONTAINED, or indirectly via the chain built by
1634 struct gfc_namespace
*parent
;
1635 /* CONTAINED points to the first contained namespace. Sibling
1636 namespaces are chained via SIBLING. */
1637 struct gfc_namespace
*contained
, *sibling
;
1639 gfc_common_head blank_common
;
1640 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1642 gfc_st_label
*st_labels
;
1643 /* This list holds information about all the data initializers in
1645 struct gfc_data
*data
, *old_data
;
1647 /* !$ACC DECLARE clauses. */
1648 gfc_omp_clauses
*oacc_declare_clauses
;
1650 gfc_charlen
*cl_list
, *old_cl_list
;
1652 gfc_dt_list
*derived_types
;
1654 int save_all
, seen_save
, seen_implicit_none
;
1656 /* Normally we don't need to refcount namespaces. However when we read
1657 a module containing a function with multiple entry points, this
1658 will appear as several functions with the same formal namespace. */
1661 /* A list of all alternate entry points to this procedure (or NULL). */
1662 gfc_entry_list
*entries
;
1664 /* A list of USE statements in this namespace. */
1665 gfc_use_list
*use_stmts
;
1667 /* Linked list of !$omp declare simd constructs. */
1668 struct gfc_omp_declare_simd
*omp_declare_simd
;
1670 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1671 unsigned is_block_data
:1;
1673 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1674 unsigned has_import_set
:1;
1676 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1677 unsigned has_implicit_none_export
:1;
1679 /* Set to 1 if resolved has been called for this namespace.
1680 Holds -1 during resolution. */
1683 /* Set when resolve_types has been called for this namespace. */
1684 unsigned types_resolved
:1;
1686 /* Set to 1 if code has been generated for this namespace. */
1687 unsigned translated
:1;
1689 /* Set to 1 if symbols in this namespace should be 'construct entities',
1690 i.e. for BLOCK local variables. */
1691 unsigned construct_entities
:1;
1693 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1694 unsigned omp_udr_ns
:1;
1698 extern gfc_namespace
*gfc_current_ns
;
1699 extern gfc_namespace
*gfc_global_ns_list
;
1701 /* Global symbols are symbols of global scope. Currently we only use
1702 this to detect collisions already when parsing.
1703 TODO: Extend to verify procedure calls. */
1705 enum gfc_symbol_type
1707 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1708 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1711 typedef struct gfc_gsymbol
1713 BBT_HEADER(gfc_gsymbol
);
1716 const char *sym_name
;
1717 const char *mod_name
;
1718 const char *binding_label
;
1719 enum gfc_symbol_type type
;
1727 extern gfc_gsymbol
*gfc_gsym_root
;
1729 /* Information on interfaces being built. */
1732 interface_type type
;
1736 gfc_intrinsic_op op
;
1740 extern gfc_interface_info current_interface
;
1743 /* Array reference. */
1745 enum gfc_array_ref_dimen_type
1747 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1750 typedef struct gfc_array_ref
1753 int dimen
; /* # of components in the reference */
1755 bool in_allocate
; /* For coarray checks. */
1759 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1760 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1761 *stride
[GFC_MAX_DIMENSIONS
];
1763 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1767 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1770 /* Component reference nodes. A variable is stored as an expression
1771 node that points to the base symbol. After that, a singly linked
1772 list of component reference nodes gives the variable's complete
1773 resolution. The array_ref component may be present and comes
1774 before the component component. */
1777 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
};
1779 typedef struct gfc_ref
1785 struct gfc_array_ref ar
;
1789 gfc_component
*component
;
1796 struct gfc_expr
*start
, *end
; /* Substring */
1797 gfc_charlen
*length
;
1804 struct gfc_ref
*next
;
1808 #define gfc_get_ref() XCNEW (gfc_ref)
1811 /* Structures representing intrinsic symbols and their arguments lists. */
1812 typedef struct gfc_intrinsic_arg
1814 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1817 unsigned optional
:1, value
:1;
1818 ENUM_BITFIELD (sym_intent
) intent
:2;
1819 gfc_actual_arglist
*actual
;
1821 struct gfc_intrinsic_arg
*next
;
1827 /* Specifies the various kinds of check functions used to verify the
1828 argument lists of intrinsic functions. fX with X an integer refer
1829 to check functions of intrinsics with X arguments. f1m is used for
1830 the MAX and MIN intrinsics which can have an arbitrary number of
1831 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1832 these have special semantics. */
1837 bool (*f1
)(struct gfc_expr
*);
1838 bool (*f1m
)(gfc_actual_arglist
*);
1839 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1840 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1841 bool (*f3ml
)(gfc_actual_arglist
*);
1842 bool (*f3red
)(gfc_actual_arglist
*);
1843 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1845 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1846 struct gfc_expr
*, struct gfc_expr
*);
1850 /* Like gfc_check_f, these specify the type of the simplification
1851 function associated with an intrinsic. The fX are just like in
1852 gfc_check_f. cc is used for type conversion functions. */
1856 struct gfc_expr
*(*f0
)(void);
1857 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1858 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1859 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1861 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1862 struct gfc_expr
*, struct gfc_expr
*);
1863 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1864 struct gfc_expr
*, struct gfc_expr
*,
1866 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1870 /* Again like gfc_check_f, these specify the type of the resolution
1871 function associated with an intrinsic. The fX are just like in
1872 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1876 void (*f0
)(struct gfc_expr
*);
1877 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1878 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1879 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1880 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1882 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1883 struct gfc_expr
*, struct gfc_expr
*);
1884 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1885 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1886 void (*s1
)(struct gfc_code
*);
1891 typedef struct gfc_intrinsic_sym
1893 const char *name
, *lib_name
;
1894 gfc_intrinsic_arg
*formal
;
1896 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1897 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1898 from_module
:1, vararg
:1;
1902 gfc_simplify_f simplify
;
1904 gfc_resolve_f resolve
;
1905 struct gfc_intrinsic_sym
*specific_head
, *next
;
1912 /* Expression nodes. The expression node types deserve explanations,
1913 since the last couple can be easily misconstrued:
1915 EXPR_OP Operator node pointing to one or two other nodes
1916 EXPR_FUNCTION Function call, symbol points to function's name
1917 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1918 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1919 which expresses structure, array and substring refs.
1920 EXPR_NULL The NULL pointer value (which also has a basic type).
1921 EXPR_SUBSTRING A substring of a constant string
1922 EXPR_STRUCTURE A structure constructor
1923 EXPR_ARRAY An array constructor.
1924 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1925 component or type-bound procedure. */
1929 #define GFC_RND_MODE GMP_RNDN
1930 #define GFC_MPC_RND_MODE MPC_RNDNN
1932 typedef splay_tree gfc_constructor_base
;
1934 typedef struct gfc_expr
1938 gfc_typespec ts
; /* These two refer to the overall expression */
1940 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1941 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1943 /* Nonnull for functions and structure constructors, may also used to hold the
1944 base-object for component calls. */
1945 gfc_symtree
*symtree
;
1951 /* Used to store the base expression in component calls, when the expression
1952 is not a variable. */
1953 struct gfc_expr
*base_expr
;
1955 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1956 denotes a signalling not-a-number. */
1957 unsigned int is_boz
: 1, is_snan
: 1;
1959 /* Sometimes, when an error has been emitted, it is necessary to prevent
1960 it from recurring. */
1961 unsigned int error
: 1;
1963 /* Mark an expression where a user operator has been substituted by
1964 a function call in interface.c(gfc_extend_expr). */
1965 unsigned int user_operator
: 1;
1967 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1968 unsigned int mold
: 1;
1970 /* Will require finalization after use. */
1971 unsigned int must_finalize
: 1;
1973 /* If an expression comes from a Hollerith constant or compile-time
1974 evaluation of a transfer statement, it may have a prescribed target-
1975 memory representation, and these cannot always be backformed from
1998 gfc_intrinsic_op op
;
2000 struct gfc_expr
*op1
, *op2
;
2006 gfc_actual_arglist
*actual
;
2007 const char *name
; /* Points to the ultimate name of the function */
2008 gfc_intrinsic_sym
*isym
;
2015 gfc_actual_arglist
* actual
;
2017 /* Base-object, whose component was called. NULL means that it should
2018 be taken from symtree/ref. */
2019 struct gfc_expr
* base_object
;
2020 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2022 /* For type-bound operators, we want to call PASS procedures but already
2023 have the full arglist; mark this, so that it is not extended by the
2025 unsigned ignore_pass
:1;
2027 /* Do assign-calls rather than calls, that is appropriate dependency
2040 gfc_constructor_base constructor
;
2048 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2050 /* Structures for information associated with different kinds of
2051 numbers. The first set of integer parameters define all there is
2052 to know about a particular kind. The rest of the elements are
2053 computed from the first elements. */
2057 /* Values really representable by the target. */
2058 mpz_t huge
, pedantic_min_int
, min_int
;
2060 int kind
, radix
, digits
, bit_size
, range
;
2062 /* True if the C type of the given name maps to this precision.
2063 Note that more than one bit can be set. */
2064 unsigned int c_char
: 1;
2065 unsigned int c_short
: 1;
2066 unsigned int c_int
: 1;
2067 unsigned int c_long
: 1;
2068 unsigned int c_long_long
: 1;
2072 extern gfc_integer_info gfc_integer_kinds
[];
2079 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2080 unsigned int c_bool
: 1;
2084 extern gfc_logical_info gfc_logical_kinds
[];
2089 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2090 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2091 int range
, precision
;
2093 /* The precision of the type as reported by GET_MODE_PRECISION. */
2096 /* True if the C type of the given name maps to this precision.
2097 Note that more than one bit can be set. */
2098 unsigned int c_float
: 1;
2099 unsigned int c_double
: 1;
2100 unsigned int c_long_double
: 1;
2101 unsigned int c_float128
: 1;
2105 extern gfc_real_info gfc_real_kinds
[];
2114 extern gfc_character_info gfc_character_kinds
[];
2117 /* Equivalence structures. Equivalent lvalues are linked along the
2118 *eq pointer, equivalence sets are strung along the *next node. */
2119 typedef struct gfc_equiv
2121 struct gfc_equiv
*next
, *eq
;
2128 #define gfc_get_equiv() XCNEW (gfc_equiv)
2130 /* Holds a single equivalence member after processing. */
2131 typedef struct gfc_equiv_info
2134 HOST_WIDE_INT offset
;
2135 HOST_WIDE_INT length
;
2136 struct gfc_equiv_info
*next
;
2139 /* Holds equivalence groups, after they have been processed. */
2140 typedef struct gfc_equiv_list
2142 gfc_equiv_info
*equiv
;
2143 struct gfc_equiv_list
*next
;
2146 /* gfc_case stores the selector list of a case statement. The *low
2147 and *high pointers can point to the same expression in the case of
2148 a single value. If *high is NULL, the selection is from *low
2149 upwards, if *low is NULL the selection is *high downwards.
2151 This structure has separate fields to allow single and double linked
2152 lists of CASEs at the same time. The singe linked list along the NEXT
2153 field is a list of cases for a single CASE label. The double linked
2154 list along the LEFT/RIGHT fields is used to detect overlap and to
2155 build a table of the cases for SELECT constructs with a CHARACTER
2158 typedef struct gfc_case
2160 /* Where we saw this case. */
2164 /* Case range values. If (low == high), it's a single value. If one of
2165 the labels is NULL, it's an unbounded case. If both are NULL, this
2166 represents the default case. */
2167 gfc_expr
*low
, *high
;
2169 /* Only used for SELECT TYPE. */
2172 /* Next case label in the list of cases for a single CASE label. */
2173 struct gfc_case
*next
;
2175 /* Used for detecting overlap, and for code generation. */
2176 struct gfc_case
*left
, *right
;
2178 /* True if this case label can never be matched. */
2183 #define gfc_get_case() XCNEW (gfc_case)
2188 gfc_expr
*var
, *start
, *end
, *step
;
2192 #define gfc_get_iterator() XCNEW (gfc_iterator)
2195 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2197 typedef struct gfc_alloc
2200 struct gfc_alloc
*next
;
2204 #define gfc_get_alloc() XCNEW (gfc_alloc)
2209 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2210 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2211 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2219 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2227 gfc_expr
*unit
, *iostat
, *iomsg
;
2235 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2236 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2237 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2238 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2239 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2250 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2251 gfc_st_label
*err
, *end
, *eor
;
2258 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2259 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2260 *sign
, *extra_comma
, *dt_io_kind
;
2262 gfc_symbol
*namelist
;
2263 /* A format_label of `format_asterisk' indicates the "*" format */
2264 gfc_st_label
*format_label
;
2265 gfc_st_label
*err
, *end
, *eor
;
2267 locus eor_where
, end_where
, err_where
;
2272 typedef struct gfc_forall_iterator
2274 gfc_expr
*var
, *start
, *end
, *stride
;
2275 struct gfc_forall_iterator
*next
;
2277 gfc_forall_iterator
;
2280 /* Linked list to store associations in an ASSOCIATE statement. */
2282 typedef struct gfc_association_list
2284 struct gfc_association_list
*next
;
2286 /* Whether this is association to a variable that can be changed; otherwise,
2287 it's association to an expression and the name may not be used as
2289 unsigned variable
:1;
2291 /* True if this struct is currently only linked to from a gfc_symbol rather
2292 than as part of a real list in gfc_code->ext.block.assoc. This may
2293 happen for SELECT TYPE temporaries and must be considered
2294 for memory handling. */
2295 unsigned dangling
:1;
2297 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2298 gfc_symtree
*st
; /* Symtree corresponding to name. */
2303 gfc_association_list
;
2304 #define gfc_get_association_list() XCNEW (gfc_association_list)
2307 /* Executable statements that fill gfc_code structures. */
2310 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2311 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2312 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2313 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2314 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2315 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2316 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2317 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2318 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2319 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2320 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2321 EXEC_LOCK
, EXEC_UNLOCK
,
2322 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2323 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2324 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2325 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2326 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2327 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2328 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2329 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2330 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2331 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2332 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2333 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2334 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2335 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2336 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2337 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2338 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2339 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2340 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2341 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2342 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2343 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2344 EXEC_OMP_TARGET_UPDATE
2347 enum gfc_omp_atomic_op
2349 GFC_OMP_ATOMIC_UPDATE
= 0,
2350 GFC_OMP_ATOMIC_READ
= 1,
2351 GFC_OMP_ATOMIC_WRITE
= 2,
2352 GFC_OMP_ATOMIC_CAPTURE
= 3,
2353 GFC_OMP_ATOMIC_MASK
= 3,
2354 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2355 GFC_OMP_ATOMIC_SWAP
= 8
2358 typedef struct gfc_code
2362 struct gfc_code
*block
, *next
;
2365 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2366 gfc_symtree
*symtree
;
2367 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2368 /* A name isn't sufficient to identify a subroutine, we need the actual
2369 symbol for the interface definition.
2370 const char *sub_name; */
2371 gfc_symbol
*resolved_sym
;
2372 gfc_intrinsic_sym
*resolved_isym
;
2376 gfc_actual_arglist
*actual
;
2377 gfc_iterator
*iterator
;
2383 /* Take the array specification from expr3 to allocate arrays
2384 without an explicit array specification. */
2385 unsigned arr_spec_from_expr3
:1;
2392 gfc_association_list
*assoc
;
2393 gfc_case
*case_list
;
2399 gfc_filepos
*filepos
;
2400 gfc_inquire
*inquire
;
2403 gfc_forall_iterator
*forall_iterator
;
2404 struct gfc_code
*which_construct
;
2406 gfc_entry_list
*entry
;
2407 gfc_omp_clauses
*omp_clauses
;
2408 const char *omp_name
;
2409 gfc_omp_namelist
*omp_namelist
;
2411 gfc_omp_atomic_op omp_atomic
;
2413 ext
; /* Points to additional structures required by statement */
2415 /* Cycle and break labels in constructs. */
2422 /* Storage for DATA statements. */
2423 typedef struct gfc_data_variable
2427 struct gfc_data_variable
*list
, *next
;
2432 typedef struct gfc_data_value
2436 struct gfc_data_value
*next
;
2441 typedef struct gfc_data
2443 gfc_data_variable
*var
;
2444 gfc_data_value
*value
;
2447 struct gfc_data
*next
;
2452 /* Structure for holding compile options */
2456 gfc_source_form source_form
;
2457 int max_continue_fixed
;
2458 int max_continue_free
;
2459 int max_identifier_length
;
2463 int flag_preprocessed
;
2465 int flag_init_integer
;
2466 int flag_init_integer_value
;
2467 int flag_init_logical
;
2468 int flag_init_character
;
2469 char flag_init_character_value
;
2480 extern gfc_option_t gfc_option
;
2482 /* Constructor nodes for array and structure constructors. */
2483 typedef struct gfc_constructor
2485 gfc_constructor_base base
;
2486 mpz_t offset
; /* Offset within a constructor, used as
2490 gfc_iterator
*iterator
;
2495 gfc_component
*component
; /* Record the component being initialized. */
2498 mpz_t repeat
; /* Record the repeat number of initial values in data
2499 statement like "data a/5*10/". */
2504 typedef struct iterator_stack
2506 gfc_symtree
*variable
;
2508 struct iterator_stack
*prev
;
2511 extern iterator_stack
*iter_stack
;
2514 /* Used for (possibly nested) SELECT TYPE statements. */
2515 typedef struct gfc_select_type_stack
2517 gfc_symbol
*selector
; /* Current selector variable. */
2518 gfc_symtree
*tmp
; /* Current temporary variable. */
2519 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2521 gfc_select_type_stack
;
2522 extern gfc_select_type_stack
*select_type_stack
;
2523 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2526 /* Node in the linked list used for storing finalizer procedures. */
2528 typedef struct gfc_finalizer
2530 struct gfc_finalizer
* next
;
2531 locus where
; /* Where the FINAL declaration occurred. */
2533 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2534 symtree and later need only that. This way, we can access and call the
2535 finalizers from every context as they should be "always accessible". I
2536 don't make this a union because we need the information whether proc_sym is
2537 still referenced or not for dereferencing it on deleting a gfc_finalizer
2539 gfc_symbol
* proc_sym
;
2540 gfc_symtree
* proc_tree
;
2543 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2546 /************************ Function prototypes *************************/
2549 bool gfc_in_match_data (void);
2550 match
gfc_match_char_spec (gfc_typespec
*);
2553 void gfc_scanner_done_1 (void);
2554 void gfc_scanner_init_1 (void);
2556 void gfc_add_include_path (const char *, bool, bool, bool);
2557 void gfc_add_intrinsic_modules_path (const char *);
2558 void gfc_release_include_path (void);
2559 FILE *gfc_open_included_file (const char *, bool, bool);
2561 int gfc_at_end (void);
2562 int gfc_at_eof (void);
2563 int gfc_at_bol (void);
2564 int gfc_at_eol (void);
2565 void gfc_advance_line (void);
2566 int gfc_check_include (void);
2567 int gfc_define_undef_line (void);
2569 int gfc_wide_is_printable (gfc_char_t
);
2570 int gfc_wide_is_digit (gfc_char_t
);
2571 int gfc_wide_fits_in_byte (gfc_char_t
);
2572 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2573 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2574 size_t gfc_wide_strlen (const gfc_char_t
*);
2575 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2576 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2577 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2578 gfc_char_t
*gfc_char_to_widechar (const char *);
2580 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2582 void gfc_skip_comments (void);
2583 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2584 gfc_char_t
gfc_next_char (void);
2585 char gfc_next_ascii_char (void);
2586 gfc_char_t
gfc_peek_char (void);
2587 char gfc_peek_ascii_char (void);
2588 void gfc_error_recovery (void);
2589 void gfc_gobble_whitespace (void);
2590 bool gfc_new_file (void);
2591 const char * gfc_read_orig_filename (const char *, const char **);
2593 extern gfc_source_form gfc_current_form
;
2594 extern const char *gfc_source_file
;
2595 extern locus gfc_current_locus
;
2597 void gfc_start_source_files (void);
2598 void gfc_end_source_files (void);
2601 void gfc_clear_ts (gfc_typespec
*);
2602 FILE *gfc_open_file (const char *);
2603 const char *gfc_basic_typename (bt
);
2604 const char *gfc_typename (gfc_typespec
*);
2605 const char *gfc_op2string (gfc_intrinsic_op
);
2606 const char *gfc_code2string (const mstring
*, int);
2607 int gfc_string2code (const mstring
*, const char *);
2608 const char *gfc_intent_string (sym_intent
);
2610 void gfc_init_1 (void);
2611 void gfc_init_2 (void);
2612 void gfc_done_1 (void);
2613 void gfc_done_2 (void);
2615 int get_c_kind (const char *, CInteropKind_t
*);
2618 unsigned int gfc_option_lang_mask (void);
2619 void gfc_init_options_struct (struct gcc_options
*);
2620 void gfc_init_options (unsigned int,
2621 struct cl_decoded_option
*);
2622 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2623 const struct cl_option_handlers
*);
2624 bool gfc_post_options (const char **);
2625 char *gfc_get_option_string (void);
2628 void gfc_maybe_initialize_eh (void);
2631 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2632 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2635 void gfc_error_init_1 (void);
2636 void gfc_diagnostics_init (void);
2637 void gfc_diagnostics_finish (void);
2638 void gfc_buffer_error (bool);
2640 const char *gfc_print_wide_char (gfc_char_t
);
2642 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2643 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2644 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2645 ATTRIBUTE_GCC_GFC(3,4);
2647 void gfc_clear_warning (void);
2648 void gfc_warning_check (void);
2650 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2651 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2652 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2653 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2654 void gfc_clear_error (void);
2655 bool gfc_error_check (void);
2656 bool gfc_error_flag_test (void);
2658 notification
gfc_notification_std (int);
2659 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2661 /* A general purpose syntax error. */
2662 #define gfc_syntax_error(ST) \
2663 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2665 #include "pretty-print.h" /* For output_buffer. */
2666 struct gfc_error_buffer
2669 output_buffer buffer
;
2670 gfc_error_buffer(void) : flag(false), buffer() {}
2673 void gfc_push_error (gfc_error_buffer
*);
2674 void gfc_pop_error (gfc_error_buffer
*);
2675 void gfc_free_error (gfc_error_buffer
*);
2677 void gfc_get_errors (int *, int *);
2678 void gfc_errors_to_warnings (bool);
2681 void gfc_arith_init_1 (void);
2682 void gfc_arith_done_1 (void);
2683 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2684 bool gfc_check_character_range (gfc_char_t
, int);
2687 bool gfc_check_any_c_kind (gfc_typespec
*);
2688 int gfc_validate_kind (bt
, int, bool);
2689 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2690 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2691 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2692 extern int gfc_index_integer_kind
;
2693 extern int gfc_default_integer_kind
;
2694 extern int gfc_max_integer_kind
;
2695 extern int gfc_default_real_kind
;
2696 extern int gfc_default_double_kind
;
2697 extern int gfc_default_character_kind
;
2698 extern int gfc_default_logical_kind
;
2699 extern int gfc_default_complex_kind
;
2700 extern int gfc_c_int_kind
;
2701 extern int gfc_atomic_int_kind
;
2702 extern int gfc_atomic_logical_kind
;
2703 extern int gfc_intio_kind
;
2704 extern int gfc_charlen_int_kind
;
2705 extern int gfc_numeric_storage_size
;
2706 extern int gfc_character_storage_size
;
2709 void gfc_clear_new_implicit (void);
2710 bool gfc_add_new_implicit_range (int, int);
2711 bool gfc_merge_new_implicit (gfc_typespec
*);
2712 void gfc_set_implicit_none (bool, bool, locus
*);
2713 void gfc_check_function_type (gfc_namespace
*);
2714 bool gfc_is_intrinsic_typename (const char *);
2716 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2717 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2719 void gfc_set_sym_referenced (gfc_symbol
*);
2721 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2722 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2723 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2724 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2725 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2726 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2727 bool gfc_add_external (symbol_attribute
*, locus
*);
2728 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2729 bool gfc_add_optional (symbol_attribute
*, locus
*);
2730 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2731 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2732 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2733 match
gfc_mod_pointee_as (gfc_array_spec
*);
2734 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2735 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2736 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2737 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2738 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2739 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2740 bool gfc_add_target (symbol_attribute
*, locus
*);
2741 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2742 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2743 bool gfc_add_common (symbol_attribute
*, locus
*);
2744 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2745 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2746 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2747 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2748 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2749 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2750 bool gfc_add_pure (symbol_attribute
*, locus
*);
2751 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2752 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2753 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2754 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2755 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2756 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2757 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2759 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2760 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2761 bool gfc_add_extension (symbol_attribute
*, locus
*);
2762 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2763 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2764 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2765 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2766 const char *, locus
*);
2767 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2768 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2769 gfc_formal_arglist
*, locus
*);
2770 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2772 void gfc_clear_attr (symbol_attribute
*);
2773 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2774 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2775 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
2776 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2777 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2778 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2779 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2781 gfc_st_label
*gfc_get_st_label (int);
2782 void gfc_free_st_label (gfc_st_label
*);
2783 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2784 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2786 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2787 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2788 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2789 void gfc_delete_symtree (gfc_symtree
**, const char *);
2790 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2791 gfc_user_op
*gfc_get_uop (const char *);
2792 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2793 void gfc_free_symbol (gfc_symbol
*);
2794 void gfc_release_symbol (gfc_symbol
*);
2795 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2796 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2797 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2798 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2799 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2800 bool gfc_verify_c_interop (gfc_typespec
*);
2801 bool gfc_verify_c_interop_param (gfc_symbol
*);
2802 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2803 bool verify_bind_c_derived_type (gfc_symbol
*);
2804 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2805 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2806 const char *, gfc_symtree
*, bool);
2807 void gfc_save_symbol_data (gfc_symbol
*);
2808 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2809 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2810 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2812 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2813 void gfc_drop_last_undo_checkpoint (void);
2814 void gfc_restore_last_undo_checkpoint (void);
2815 void gfc_undo_symbols (void);
2816 void gfc_commit_symbols (void);
2817 void gfc_commit_symbol (gfc_symbol
*);
2818 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2819 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2820 void gfc_free_namespace (gfc_namespace
*);
2822 void gfc_symbol_init_2 (void);
2823 void gfc_symbol_done_2 (void);
2825 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2826 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2827 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2828 void gfc_save_all (gfc_namespace
*);
2830 void gfc_enforce_clean_symbol_state (void);
2831 void gfc_free_dt_list (void);
2834 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2835 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2837 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2838 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2839 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2840 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2841 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2843 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2844 gfc_actual_arglist
*);
2846 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2848 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2849 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2851 bool gfc_is_associate_pointer (gfc_symbol
*);
2852 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2853 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2855 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2856 extern bool gfc_init_expr_flag
;
2858 /* Given a symbol that we have decided is intrinsic, mark it as such
2859 by placing it into a special module that is otherwise impossible to
2862 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2864 void gfc_intrinsic_init_1 (void);
2865 void gfc_intrinsic_done_1 (void);
2867 char gfc_type_letter (bt
);
2868 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2869 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2870 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2871 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2872 int gfc_generic_intrinsic (const char *);
2873 int gfc_specific_intrinsic (const char *);
2874 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2875 int gfc_intrinsic_actual_ok (const char *, const bool);
2876 gfc_intrinsic_sym
*gfc_find_function (const char *);
2877 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2878 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2879 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2880 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2881 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2884 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2885 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2887 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2888 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2891 /* match.c -- FIXME */
2892 void gfc_free_iterator (gfc_iterator
*, int);
2893 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2894 void gfc_free_alloc_list (gfc_alloc
*);
2895 void gfc_free_namelist (gfc_namelist
*);
2896 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2897 void gfc_free_equiv (gfc_equiv
*);
2898 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2899 void gfc_free_data (gfc_data
*);
2900 void gfc_reject_data (gfc_namespace
*);
2901 void gfc_free_case_list (gfc_case
*);
2903 /* matchexp.c -- FIXME too? */
2904 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2907 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2908 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2909 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2910 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2911 void gfc_free_omp_udr (gfc_omp_udr
*);
2912 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2913 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2914 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2915 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2916 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2917 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2918 void gfc_resolve_omp_udrs (gfc_symtree
*);
2919 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2920 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2921 void gfc_free_expr_list (gfc_expr_list
*);
2922 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
2923 void gfc_resolve_oacc_declare (gfc_namespace
*);
2924 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
2925 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
2928 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2929 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2930 const char *gfc_extract_int (gfc_expr
*, int *);
2931 bool is_subref_array (gfc_expr
*);
2932 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2933 bool gfc_check_init_expr (gfc_expr
*);
2935 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2936 void gfc_free_ref_list (gfc_ref
*);
2937 void gfc_type_convert_binary (gfc_expr
*, int);
2938 int gfc_is_constant_expr (gfc_expr
*);
2939 bool gfc_simplify_expr (gfc_expr
*, int);
2940 int gfc_has_vector_index (gfc_expr
*);
2942 gfc_expr
*gfc_get_expr (void);
2943 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2944 gfc_expr
*gfc_get_null_expr (locus
*);
2945 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2946 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2947 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2948 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2949 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2950 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2951 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2953 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2954 void gfc_free_shape (mpz_t
**shape
, int rank
);
2955 void gfc_free_expr (gfc_expr
*);
2956 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2957 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2958 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2959 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2960 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2962 bool gfc_specification_expr (gfc_expr
*);
2964 int gfc_numeric_ts (gfc_typespec
*);
2965 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2967 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2968 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2969 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2970 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2972 bool gfc_has_default_initializer (gfc_symbol
*);
2973 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2974 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2975 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2976 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2978 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2980 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2981 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2983 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2984 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2986 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2987 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2988 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
2989 bool gfc_is_alloc_class_array_function (gfc_expr
*);
2991 bool gfc_ref_this_image (gfc_ref
*ref
);
2992 bool gfc_is_coindexed (gfc_expr
*);
2993 bool gfc_is_coarray (gfc_expr
*);
2994 int gfc_get_corank (gfc_expr
*);
2995 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2996 bool gfc_has_ultimate_pointer (gfc_expr
*);
2998 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
2999 locus
, unsigned, ...);
3000 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3004 extern gfc_code new_st
;
3006 void gfc_clear_new_st (void);
3007 gfc_code
*gfc_get_code (gfc_exec_op
);
3008 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3009 void gfc_free_statement (gfc_code
*);
3010 void gfc_free_statements (gfc_code
*);
3011 void gfc_free_association_list (gfc_association_list
*);
3014 bool gfc_resolve_expr (gfc_expr
*);
3015 void gfc_resolve (gfc_namespace
*);
3016 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3017 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3018 int gfc_impure_variable (gfc_symbol
*);
3019 int gfc_pure (gfc_symbol
*);
3020 int gfc_implicit_pure (gfc_symbol
*);
3021 void gfc_unset_implicit_pure (gfc_symbol
*);
3022 int gfc_elemental (gfc_symbol
*);
3023 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3024 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3025 bool gfc_resolve_index (gfc_expr
*, int);
3026 bool gfc_resolve_dim_arg (gfc_expr
*);
3027 int gfc_is_formal_arg (void);
3028 void gfc_resolve_substring_charlen (gfc_expr
*);
3029 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3030 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3031 bool gfc_type_is_extensible (gfc_symbol
*);
3032 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3033 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3034 extern int gfc_do_concurrent_flag
;
3038 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3040 void gfc_free_array_spec (gfc_array_spec
*);
3041 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3043 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3044 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3045 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3047 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3049 void gfc_simplify_iterator_var (gfc_expr
*);
3050 bool gfc_expand_constructor (gfc_expr
*, bool);
3051 int gfc_constant_ac (gfc_expr
*);
3052 int gfc_expanded_ac (gfc_expr
*);
3053 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3054 bool gfc_resolve_array_constructor (gfc_expr
*);
3055 bool gfc_check_constructor_type (gfc_expr
*);
3056 bool gfc_check_iter_variable (gfc_expr
*);
3057 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3058 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3059 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3060 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3061 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3062 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3063 bool spec_size (gfc_array_spec
*, mpz_t
*);
3064 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3065 int gfc_is_compile_time_shape (gfc_array_spec
*);
3067 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3070 /* interface.c -- FIXME: some of these should be in symbol.c */
3071 void gfc_free_interface (gfc_interface
*);
3072 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3073 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3074 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3076 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3078 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3079 char *, int, const char *, const char *);
3080 void gfc_check_interfaces (gfc_namespace
*);
3081 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3082 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3083 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3084 gfc_actual_arglist
**);
3085 match
gfc_extend_expr (gfc_expr
*);
3086 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3087 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3088 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3089 bool gfc_add_interface (gfc_symbol
*);
3090 gfc_interface
*gfc_current_interface_head (void);
3091 void gfc_set_current_interface_head (gfc_interface
*);
3092 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3093 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3094 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3095 int gfc_has_vector_subscript (gfc_expr
*);
3096 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3097 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3100 extern gfc_st_label format_asterisk
;
3102 void gfc_free_open (gfc_open
*);
3103 bool gfc_resolve_open (gfc_open
*);
3104 void gfc_free_close (gfc_close
*);
3105 bool gfc_resolve_close (gfc_close
*);
3106 void gfc_free_filepos (gfc_filepos
*);
3107 bool gfc_resolve_filepos (gfc_filepos
*);
3108 void gfc_free_inquire (gfc_inquire
*);
3109 bool gfc_resolve_inquire (gfc_inquire
*);
3110 void gfc_free_dt (gfc_dt
*);
3111 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3112 void gfc_free_wait (gfc_wait
*);
3113 bool gfc_resolve_wait (gfc_wait
*);
3116 void gfc_module_init_2 (void);
3117 void gfc_module_done_2 (void);
3118 void gfc_dump_module (const char *, int);
3119 bool gfc_check_symbol_access (gfc_symbol
*);
3120 void gfc_free_use_stmts (gfc_use_list
*);
3123 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3124 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3125 match
gfc_match_rvalue (gfc_expr
**);
3126 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3127 int gfc_check_digit (char, int);
3128 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3129 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3131 gfc_actual_arglist
**, bool);
3134 void gfc_generate_code (gfc_namespace
*);
3135 void gfc_generate_module_code (gfc_namespace
*);
3137 /* trans-intrinsic.c */
3138 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3141 typedef int (*compare_fn
) (void *, void *);
3142 void gfc_insert_bbt (void *, void *, compare_fn
);
3143 void gfc_delete_bbt (void *, void *, compare_fn
);
3145 /* dump-parse-tree.c */
3146 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3149 bool gfc_parse_file (void);
3150 void gfc_global_used (gfc_gsymbol
*, locus
*);
3151 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3154 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3155 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3156 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3159 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3160 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3161 size_t*, size_t*, size_t*);
3164 void gfc_fix_class_refs (gfc_expr
*e
);
3165 void gfc_add_component_ref (gfc_expr
*, const char *);
3166 void gfc_add_class_array_ref (gfc_expr
*);
3167 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3168 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3169 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3170 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3171 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3172 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3173 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3174 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3175 bool gfc_is_class_scalar_expr (gfc_expr
*);
3176 bool gfc_is_class_container_ref (gfc_expr
*e
);
3177 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3178 unsigned int gfc_hash_value (gfc_symbol
*);
3179 gfc_expr
*gfc_get_len_component (gfc_expr
*e
);
3180 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3182 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3183 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3184 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3185 const char*, bool, locus
*);
3186 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3187 const char*, bool, locus
*);
3188 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3189 gfc_intrinsic_op
, bool,
3191 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3192 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3194 #define CLASS_DATA(sym) sym->ts.u.derived->components
3195 #define UNLIMITED_POLY(sym) \
3196 (sym != NULL && sym->ts.type == BT_CLASS \
3197 && CLASS_DATA (sym) \
3198 && CLASS_DATA (sym)->ts.u.derived \
3199 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3200 #define IS_CLASS_ARRAY(sym) \
3201 (sym->ts.type == BT_CLASS \
3202 && CLASS_DATA (sym) \
3203 && CLASS_DATA (sym)->attr.dimension \
3204 && !CLASS_DATA (sym)->attr.class_pointer)
3206 /* frontend-passes.c */
3208 void gfc_run_passes (gfc_namespace
*);
3210 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3211 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3213 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3214 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3215 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3219 void gfc_convert_mpz_to_signed (mpz_t
, int);
3220 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3224 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3226 #endif /* GCC_GFORTRAN_H */