1 /* gfortran header file
2 Copyright (C) 2000-2014 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"
54 #include "splay-tree.h"
57 /* Major control parameters. */
59 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
60 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
62 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
65 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
68 #define stringize(x) expand_macro(x)
69 #define expand_macro(x) # x
71 /* For the runtime library, a standard prefix is a requirement to
72 avoid cluttering the namespace with things nobody asked for. It's
73 ugly to look at and a pain to type when you add the prefix by hand,
74 so we hide it behind a macro. */
75 #define PREFIX(x) "_gfortran_" x
78 /* A prefix for internal variables, which are not user-visible. */
79 #if !defined (NO_DOT_IN_LABEL)
80 # define GFC_PREFIX(x) "_F." x
81 #elif !defined (NO_DOLLAR_IN_LABEL)
82 # define GFC_PREFIX(x) "_F$" x
84 # define GFC_PREFIX(x) "_F_" x
87 #define BLANK_COMMON_NAME "__BLNK__"
89 /* Macro to initialize an mstring structure. */
90 #define minit(s, t) { s, NULL, t }
92 /* Structure for storing strings to be matched by gfc_match_string. */
103 /*************************** Enums *****************************/
105 /* Used when matching and resolving data I/O transfer statements. */
108 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
112 /* These are flags for identifying whether we are reading a character literal
113 between quotes or normal source code. */
116 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
119 /* This is returned by gfc_notification_std to know if, given the flags
120 that were given (-std=, -pedantic) we should issue an error, a warning
124 { SILENT
, WARNING
, ERROR
}
127 /* Matchers return one of these three values. The difference between
128 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
129 successful, but that something non-syntactic is wrong and an error
130 has already been issued. */
133 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
136 /* Used for different Fortran source forms in places like scanner.c. */
138 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
141 /* Expression node types. */
143 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
144 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
150 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
151 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
157 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
160 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
161 related to shared DO terminations and DO targets which are neither END DO
162 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
164 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
165 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
169 /* Intrinsic operators. */
171 { GFC_INTRINSIC_BEGIN
= 0,
172 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
173 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
174 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
175 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
176 /* ==, /=, >, >=, <, <= */
177 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
178 INTRINSIC_LT
, INTRINSIC_LE
,
179 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
180 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
181 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
182 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
183 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
187 /* This macro is the number of intrinsic operators that exist.
188 Assumptions are made about the numbering of the interface_op enums. */
189 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
191 /* Arithmetic results. */
193 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
194 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
201 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
202 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
203 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
204 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
205 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
206 ST_ENDDO
, ST_IMPLIED_ENDDO
,
207 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
208 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
209 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
210 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
211 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
212 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
213 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
214 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
215 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
216 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
217 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
218 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
219 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
220 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
221 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
222 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
223 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
224 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
,
225 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
226 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
227 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
228 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
229 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
230 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
231 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
232 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
233 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
234 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
235 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
236 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
237 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
238 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
239 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
240 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
241 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
242 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
243 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
244 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
245 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
246 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
247 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
248 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
249 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
250 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
251 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
252 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
253 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
254 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
255 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
256 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
260 /* Types of interfaces that we can have. Assignment interfaces are
261 considered to be intrinsic operators. */
264 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
265 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
269 /* Symbol flavors: these are all mutually exclusive.
270 10 elements = 4 bits. */
271 typedef enum sym_flavor
273 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
274 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
279 /* Procedure types. 7 elements = 3 bits. */
280 typedef enum procedure_type
281 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
282 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
287 typedef enum sym_intent
288 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
293 typedef enum gfc_access
294 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
298 /* Flags to keep track of where an interface came from.
299 3 elements = 2 bits. */
301 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
302 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
303 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
304 with explicit interface. */
308 /* Whether a SAVE attribute was set explicitly or implicitly. */
309 typedef enum save_state
310 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
314 /* Strings for all symbol attributes. We use these for dumping the
315 parse tree, in error messages, and also when reading and writing
316 modules. In symbol.c. */
317 extern const mstring flavors
[];
318 extern const mstring procedures
[];
319 extern const mstring intents
[];
320 extern const mstring access_types
[];
321 extern const mstring ifsrc_types
[];
322 extern const mstring save_status
[];
324 /* Enumeration of all the generic intrinsic functions. Used by the
325 backend for identification of a function. */
329 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
330 the backend (e.g. KIND). */
358 GFC_ISYM_ATOMIC_FETCH_ADD
,
359 GFC_ISYM_ATOMIC_FETCH_AND
,
360 GFC_ISYM_ATOMIC_FETCH_OR
,
361 GFC_ISYM_ATOMIC_FETCH_XOR
,
378 GFC_ISYM_CO_BROADCAST
,
383 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
384 GFC_ISYM_COMPILER_OPTIONS
,
385 GFC_ISYM_COMPILER_VERSION
,
395 GFC_ISYM_C_ASSOCIATED
,
396 GFC_ISYM_C_F_POINTER
,
397 GFC_ISYM_C_F_PROCPOINTER
,
401 GFC_ISYM_DATE_AND_TIME
,
405 GFC_ISYM_DOT_PRODUCT
,
414 GFC_ISYM_ERFC_SCALED
,
416 GFC_ISYM_EXECUTE_COMMAND_LINE
,
420 GFC_ISYM_EXTENDS_TYPE_OF
,
437 GFC_ISYM_GET_COMMAND
,
438 GFC_ISYM_GET_COMMAND_ARGUMENT
,
441 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
462 GFC_ISYM_IMAGE_INDEX
,
471 GFC_ISYM_IS_IOSTAT_END
,
472 GFC_ISYM_IS_IOSTAT_EOR
,
507 GFC_ISYM_MAXEXPONENT
,
515 GFC_ISYM_MINEXPONENT
,
540 GFC_ISYM_RANDOM_NUMBER
,
541 GFC_ISYM_RANDOM_SEED
,
550 GFC_ISYM_SAME_TYPE_AS
,
556 GFC_ISYM_SET_EXPONENT
,
576 GFC_ISYM_STORAGE_SIZE
,
582 GFC_ISYM_SYSTEM_CLOCK
,
606 typedef enum gfc_isym_id gfc_isym_id
;
611 GFC_INIT_REAL_OFF
= 0,
616 GFC_INIT_REAL_NEG_INF
622 GFC_INIT_LOGICAL_OFF
= 0,
623 GFC_INIT_LOGICAL_FALSE
,
624 GFC_INIT_LOGICAL_TRUE
630 GFC_INIT_CHARACTER_OFF
= 0,
631 GFC_INIT_CHARACTER_ON
633 init_local_character
;
637 GFC_INIT_INTEGER_OFF
= 0,
644 GFC_FCOARRAY_NONE
= 0,
659 /************************* Structures *****************************/
661 /* Used for keeping things in balanced binary trees. */
662 #define BBT_HEADER(self) int priority; struct self *left, *right
664 #define NAMED_INTCST(a,b,c,d) a,
665 #define NAMED_KINDARRAY(a,b,c,d) a,
666 #define NAMED_FUNCTION(a,b,c,d) a,
667 #define NAMED_SUBROUTINE(a,b,c,d) a,
668 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
671 ISOFORTRANENV_INVALID
= -1,
672 #include "iso-fortran-env.def"
673 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
675 iso_fortran_env_symbol
;
677 #undef NAMED_KINDARRAY
678 #undef NAMED_FUNCTION
679 #undef NAMED_SUBROUTINE
680 #undef NAMED_DERIVED_TYPE
682 #define NAMED_INTCST(a,b,c,d) a,
683 #define NAMED_REALCST(a,b,c,d) a,
684 #define NAMED_CMPXCST(a,b,c,d) a,
685 #define NAMED_LOGCST(a,b,c) a,
686 #define NAMED_CHARKNDCST(a,b,c) a,
687 #define NAMED_CHARCST(a,b,c) a,
688 #define DERIVED_TYPE(a,b,c) a,
689 #define NAMED_FUNCTION(a,b,c,d) a,
690 #define NAMED_SUBROUTINE(a,b,c,d) a,
693 ISOCBINDING_INVALID
= -1,
694 #include "iso-c-binding.def"
696 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
698 iso_c_binding_symbol
;
703 #undef NAMED_CHARKNDCST
706 #undef NAMED_FUNCTION
707 #undef NAMED_SUBROUTINE
711 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
712 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
718 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
719 int value
; /* Used for both integer and character values. */
724 /* Array of structs, where the structs represent the C interop kinds.
725 The list will be implemented based on a hash of the kind name since
726 these could be accessed multiple times.
727 Declared in trans-types.c as a global, since it's in that file
728 that the list is initialized. */
729 extern CInteropKind_t c_interop_kinds_table
[];
732 /* Structure and list of supported extension attributes. */
735 EXT_ATTR_DLLIMPORT
= 0,
740 EXT_ATTR_NO_ARG_CHECK
,
741 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
749 const char *middle_end_name
;
753 extern const ext_attr_t ext_attr_list
[];
755 /* Symbol attribute structure. */
758 /* Variable attributes. */
759 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
760 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
761 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
762 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
763 contiguous
:1, fe_temp
: 1;
765 /* For CLASS containers, the pointer attribute is sometimes set internally
766 even though it was not directly specified. In this case, keep the
767 "real" (original) value here. */
768 unsigned class_pointer
:1;
770 ENUM_BITFIELD (save_state
) save
:2;
772 unsigned data
:1, /* Symbol is named in a DATA statement. */
773 is_protected
:1, /* Symbol has been marked as protected. */
774 use_assoc
:1, /* Symbol has been use-associated. */
775 use_only
:1, /* Symbol has been use-associated, with ONLY. */
776 use_rename
:1, /* Symbol has been use-associated and renamed. */
777 imported
:1, /* Symbol has been associated by IMPORT. */
778 host_assoc
:1; /* Symbol has been host associated. */
780 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
781 unsigned function
:1, subroutine
:1, procedure
:1;
782 unsigned generic
:1, generic_copy
:1;
783 unsigned implicit_type
:1; /* Type defined via implicit rules. */
784 unsigned untyped
:1; /* No implicit type could be found. */
786 unsigned is_bind_c
:1; /* say if is bound to C. */
787 unsigned extension
:8; /* extension level of a derived type. */
788 unsigned is_class
:1; /* is a CLASS container. */
789 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
790 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
791 unsigned vtype
:1; /* is a derived type of a vtab. */
793 /* These flags are both in the typespec and attribute. The attribute
794 list is what gets read from/written to a module file. The typespec
795 is created from a decl being processed. */
796 unsigned is_c_interop
:1; /* It's c interoperable. */
797 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
799 /* Function/subroutine attributes */
800 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
801 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
803 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
804 which is relevant for private module procedures. */
805 unsigned public_used
:1;
807 /* This is set if a contained procedure could be declared pure. This is
808 used for certain optimizations that require the result or arguments
809 cannot alias. Note that this is zero for PURE procedures. */
810 unsigned implicit_pure
:1;
812 /* This is set if the subroutine doesn't return. Currently, this
813 is only possible for intrinsic subroutines. */
816 /* Set if this procedure is an alternate entry point. These procedures
817 don't have any code associated, and the backend will turn them into
818 thunks to the master function. */
821 /* Set if this is the master function for a procedure with multiple
823 unsigned entry_master
:1;
825 /* Set if this is the master function for a function with multiple
826 entry points where characteristics of the entry points differ. */
827 unsigned mixed_entry_master
:1;
829 /* Set if a function must always be referenced by an explicit interface. */
830 unsigned always_explicit
:1;
832 /* Set if the symbol is generated and, hence, standard violations
833 shouldn't be flaged. */
834 unsigned artificial
:1;
836 /* Set if the symbol has been referenced in an expression. No further
837 modification of type or type parameters is permitted. */
838 unsigned referenced
:1;
840 /* Set if this is the symbol for the main program. */
841 unsigned is_main_program
:1;
843 /* Mutually exclusive multibit attributes. */
844 ENUM_BITFIELD (gfc_access
) access
:2;
845 ENUM_BITFIELD (sym_intent
) intent
:2;
846 ENUM_BITFIELD (sym_flavor
) flavor
:4;
847 ENUM_BITFIELD (ifsrc
) if_source
:2;
849 ENUM_BITFIELD (procedure_type
) proc
:3;
851 /* Special attributes for Cray pointers, pointees. */
852 unsigned cray_pointer
:1, cray_pointee
:1;
854 /* The symbol is a derived type with allocatable components, pointer
855 components or private components, procedure pointer components,
856 possibly nested. zero_comp is true if the derived type has no
857 component at all. defined_assign_comp is true if the derived
858 type or a (sub-)component has a typebound defined assignment.
859 unlimited_polymorphic flags the type of the container for these
861 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
862 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
863 defined_assign_comp
:1, unlimited_polymorphic
:1;
865 /* This is a temporary selector for SELECT TYPE or an associate
866 variable for SELECT_TYPE or ASSOCIATE. */
867 unsigned select_type_temporary
:1, associate_var
:1;
869 /* This is omp_{out,in,priv,orig} artificial variable in
870 !$OMP DECLARE REDUCTION. */
871 unsigned omp_udr_artificial_var
:1;
873 /* Mentioned in OMP DECLARE TARGET. */
874 unsigned omp_declare_target
:1;
876 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
877 unsigned ext_attr
:EXT_ATTR_NUM
;
879 /* Is a parameter associated with a deferred type component. */
880 unsigned deferred_parameter
:1;
882 /* The namespace where the attribute has been set. */
883 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
888 /* We need to store source lines as sequences of multibyte source
889 characters. We define here a type wide enough to hold any multibyte
890 source character, just like libcpp does. A 32-bit type is enough. */
892 #if HOST_BITS_PER_INT >= 32
893 typedef unsigned int gfc_char_t
;
894 #elif HOST_BITS_PER_LONG >= 32
895 typedef unsigned long gfc_char_t
;
896 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
897 typedef unsigned long long gfc_char_t
;
899 # error "Cannot find an integer type with at least 32 bits"
903 /* The following three structures are used to identify a location in
906 gfc_file is used to maintain a tree of the source files and how
907 they include each other
909 gfc_linebuf holds a single line of source code and information
910 which file it resides in
912 locus point to the sourceline and the character in the source
916 typedef struct gfc_file
918 struct gfc_file
*next
, *up
;
919 int inclusion_line
, line
;
923 typedef struct gfc_linebuf
925 source_location location
;
926 struct gfc_file
*file
;
927 struct gfc_linebuf
*next
;
935 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
937 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
945 /* In order for the "gfc" format checking to work correctly, you must
946 have declared a typedef locus first. */
947 #if GCC_VERSION >= 4001
948 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
950 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
954 /* Suppress error messages or re-enable them. */
956 void gfc_push_suppress_errors (void);
957 void gfc_pop_suppress_errors (void);
960 /* Character length structures hold the expression that gives the
961 length of a character variable. We avoid putting these into
962 gfc_typespec because doing so prevents us from doing structure
963 copies and forces us to deallocate any typespecs we create, as well
964 as structures that contain typespecs. They also can have multiple
965 character typespecs pointing to them.
967 These structures form a singly linked list within the current
968 namespace and are deallocated with the namespace. It is possible to
969 end up with gfc_charlen structures that have nothing pointing to them. */
971 typedef struct gfc_charlen
973 struct gfc_expr
*length
;
974 struct gfc_charlen
*next
;
975 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
977 tree passed_length
; /* Length argument explicitly passed. */
983 #define gfc_get_charlen() XCNEW (gfc_charlen)
985 /* Type specification structure. */
993 struct gfc_symbol
*derived
; /* For derived types only. */
994 gfc_charlen
*cl
; /* For character types only. */
995 int pad
; /* For hollerith types only. */
999 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1007 /* Array specification. */
1010 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1012 array_type type
, cotype
;
1013 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1015 /* These two fields are used with the Cray Pointer extension. */
1016 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1017 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1018 AS_EXPLICIT, but we want to remember that we
1024 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1027 /* Components of derived types. */
1028 typedef struct gfc_component
1033 symbol_attribute attr
;
1037 /* Used to cache a FIELD_DECL matching this same component
1038 but applied to a different backend containing type that was
1039 generated by gfc_nonrestricted_type. */
1040 tree norestrict_decl
;
1042 struct gfc_expr
*initializer
;
1043 struct gfc_component
*next
;
1045 /* Needed for procedure pointer components. */
1046 struct gfc_typebound_proc
*tb
;
1050 #define gfc_get_component() XCNEW (gfc_component)
1052 /* Formal argument lists are lists of symbols. */
1053 typedef struct gfc_formal_arglist
1055 /* Symbol representing the argument at this position in the arglist. */
1056 struct gfc_symbol
*sym
;
1057 /* Points to the next formal argument. */
1058 struct gfc_formal_arglist
*next
;
1062 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1065 /* The gfc_actual_arglist structure is for actual arguments. */
1066 typedef struct gfc_actual_arglist
1069 /* Alternate return label when the expr member is null. */
1070 struct gfc_st_label
*label
;
1072 /* This is set to the type of an eventual omitted optional
1073 argument. This is used to determine if a hidden string length
1074 argument has to be added to a function call. */
1075 bt missing_arg_type
;
1077 struct gfc_expr
*expr
;
1078 struct gfc_actual_arglist
*next
;
1082 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1085 /* Because a symbol can belong to multiple namelists, they must be
1086 linked externally to the symbol itself. */
1087 typedef struct gfc_namelist
1089 struct gfc_symbol
*sym
;
1090 struct gfc_namelist
*next
;
1094 #define gfc_get_namelist() XCNEW (gfc_namelist)
1096 /* Likewise to gfc_namelist, but contains expressions. */
1097 typedef struct gfc_expr_list
1099 struct gfc_expr
*expr
;
1100 struct gfc_expr_list
*next
;
1104 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1108 OMP_REDUCTION_NONE
= -1,
1109 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1110 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1111 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1112 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1113 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1114 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1115 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1116 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1123 gfc_omp_reduction_op
;
1139 OMP_MAP_FORCE_ALLOC
,
1140 OMP_MAP_FORCE_DEALLOC
,
1143 OMP_MAP_FORCE_TOFROM
,
1144 OMP_MAP_FORCE_PRESENT
1148 /* For use in OpenMP clauses in case we need extra information
1149 (aligned clause alignment, linear clause step, etc.). */
1151 typedef struct gfc_omp_namelist
1153 struct gfc_symbol
*sym
;
1154 struct gfc_expr
*expr
;
1157 gfc_omp_reduction_op reduction_op
;
1158 gfc_omp_depend_op depend_op
;
1159 gfc_omp_map_op map_op
;
1161 struct gfc_omp_namelist_udr
*udr
;
1162 struct gfc_omp_namelist
*next
;
1166 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1171 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1172 OMP_LIST_FIRSTPRIVATE
,
1173 OMP_LIST_LASTPRIVATE
,
1174 OMP_LIST_COPYPRIVATE
,
1186 OMP_LIST_DATA_CLAUSE_FIRST
= OMP_LIST_COPY
,
1188 OMP_LIST_DATA_CLAUSE_LAST
= OMP_LIST_DEVICEPTR
,
1189 OMP_LIST_DEVICE_RESIDENT
,
1190 OMP_LIST_USE_DEVICE
,
1195 OMP_LIST_LAST
= OMP_LIST_NUM
1198 /* Because a symbol can belong to multiple namelists, they must be
1199 linked externally to the symbol itself. */
1201 enum gfc_omp_sched_kind
1211 enum gfc_omp_default_sharing
1213 OMP_DEFAULT_UNKNOWN
,
1215 OMP_DEFAULT_PRIVATE
,
1217 OMP_DEFAULT_FIRSTPRIVATE
1220 enum gfc_omp_proc_bind_kind
1222 OMP_PROC_BIND_UNKNOWN
,
1223 OMP_PROC_BIND_MASTER
,
1224 OMP_PROC_BIND_SPREAD
,
1228 enum gfc_omp_cancel_kind
1231 OMP_CANCEL_PARALLEL
,
1232 OMP_CANCEL_SECTIONS
,
1234 OMP_CANCEL_TASKGROUP
1237 typedef struct gfc_omp_clauses
1239 struct gfc_expr
*if_expr
;
1240 struct gfc_expr
*final_expr
;
1241 struct gfc_expr
*num_threads
;
1242 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1243 enum gfc_omp_sched_kind sched_kind
;
1244 struct gfc_expr
*chunk_size
;
1245 enum gfc_omp_default_sharing default_sharing
;
1247 bool nowait
, ordered
, untied
, mergeable
;
1248 bool inbranch
, notinbranch
;
1249 enum gfc_omp_cancel_kind cancel
;
1250 enum gfc_omp_proc_bind_kind proc_bind
;
1251 struct gfc_expr
*safelen_expr
;
1252 struct gfc_expr
*simdlen_expr
;
1253 struct gfc_expr
*num_teams
;
1254 struct gfc_expr
*device
;
1255 struct gfc_expr
*thread_limit
;
1256 enum gfc_omp_sched_kind dist_sched_kind
;
1257 struct gfc_expr
*dist_chunk_size
;
1260 struct gfc_expr
*async_expr
;
1261 struct gfc_expr
*gang_expr
;
1262 struct gfc_expr
*worker_expr
;
1263 struct gfc_expr
*vector_expr
;
1264 struct gfc_expr
*num_gangs_expr
;
1265 struct gfc_expr
*num_workers_expr
;
1266 struct gfc_expr
*vector_length_expr
;
1267 struct gfc_expr
*non_clause_wait_expr
;
1268 gfc_expr_list
*wait_list
;
1269 gfc_expr_list
*tile_list
;
1270 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1271 unsigned wait
:1, par_auto
:1, gang_static
:1;
1273 /* Directive specific data. */
1276 /* !$ACC DECLARE locus. */
1283 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1286 /* Node in the linked list used for storing !$omp declare simd constructs. */
1288 typedef struct gfc_omp_declare_simd
1290 struct gfc_omp_declare_simd
*next
;
1291 locus where
; /* Where the !$omp declare simd construct occurred. */
1293 gfc_symbol
*proc_name
;
1295 gfc_omp_clauses
*clauses
;
1297 gfc_omp_declare_simd
;
1298 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1300 typedef struct gfc_omp_udr
1302 struct gfc_omp_udr
*next
;
1303 locus where
; /* Where the !$omp declare reduction construct occurred. */
1307 gfc_omp_reduction_op rop
;
1309 struct gfc_symbol
*omp_out
;
1310 struct gfc_symbol
*omp_in
;
1311 struct gfc_namespace
*combiner_ns
;
1313 struct gfc_symbol
*omp_priv
;
1314 struct gfc_symbol
*omp_orig
;
1315 struct gfc_namespace
*initializer_ns
;
1318 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1320 typedef struct gfc_omp_namelist_udr
1322 struct gfc_omp_udr
*udr
;
1323 struct gfc_code
*combiner
;
1324 struct gfc_code
*initializer
;
1326 gfc_omp_namelist_udr
;
1327 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1329 /* The gfc_st_label structure is a BBT attached to a namespace that
1330 records the usage of statement labels within that space. */
1332 typedef struct gfc_st_label
1334 BBT_HEADER(gfc_st_label
);
1338 gfc_sl_type defined
, referenced
;
1340 struct gfc_expr
*format
;
1349 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1350 typedef struct gfc_interface
1352 struct gfc_symbol
*sym
;
1354 struct gfc_interface
*next
;
1358 #define gfc_get_interface() XCNEW (gfc_interface)
1360 /* User operator nodes. These are like stripped down symbols. */
1366 struct gfc_namespace
*ns
;
1372 /* A list of specific bindings that are associated with a generic spec. */
1373 typedef struct gfc_tbp_generic
1375 /* The parser sets specific_st, upon resolution we look for the corresponding
1376 gfc_typebound_proc and set specific for further use. */
1377 struct gfc_symtree
* specific_st
;
1378 struct gfc_typebound_proc
* specific
;
1380 struct gfc_tbp_generic
* next
;
1385 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1388 /* Data needed for type-bound procedures. */
1389 typedef struct gfc_typebound_proc
1391 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1395 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1396 gfc_tbp_generic
* generic
;
1401 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1403 /* The overridden type-bound proc (or GENERIC with this name in the
1404 parent-type) or NULL if non. */
1405 struct gfc_typebound_proc
* overridden
;
1407 /* Once resolved, we use the position of pass_arg in the formal arglist of
1408 the binding-target procedure to identify it. The first argument has
1409 number 1 here, the second 2, and so on. */
1410 unsigned pass_arg_num
;
1412 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1413 unsigned non_overridable
:1;
1414 unsigned deferred
:1;
1415 unsigned is_generic
:1;
1416 unsigned function
:1, subroutine
:1;
1417 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1423 /* Symbol nodes. These are important things. They are what the
1424 standard refers to as "entities". The possibly multiple names that
1425 refer to the same entity are accomplished by a binary tree of
1426 symtree structures that is balanced by the red-black method-- more
1427 than one symtree node can point to any given symbol. */
1429 typedef struct gfc_symbol
1431 const char *name
; /* Primary name, before renaming */
1432 const char *module
; /* Module this symbol came from */
1436 symbol_attribute attr
;
1438 /* The formal member points to the formal argument list if the
1439 symbol is a function or subroutine name. If the symbol is a
1440 generic name, the generic member points to the list of
1443 gfc_interface
*generic
;
1444 gfc_access component_access
;
1446 gfc_formal_arglist
*formal
;
1447 struct gfc_namespace
*formal_ns
;
1448 struct gfc_namespace
*f2k_derived
;
1450 struct gfc_expr
*value
; /* Parameter/Initializer value */
1452 struct gfc_symbol
*result
; /* function result symbol */
1453 gfc_component
*components
; /* Derived type components */
1455 /* Defined only for Cray pointees; points to their pointer. */
1456 struct gfc_symbol
*cp_pointer
;
1458 int entry_id
; /* Used in resolve.c for entries. */
1460 /* CLASS hashed name for declared and dynamic types in the class. */
1463 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1465 /* This is in fact a gfc_common_head but it is only used for pointer
1466 comparisons to check if symbols are in the same common block. */
1467 struct gfc_common_head
* common_head
;
1469 /* Make sure setup code for dummy arguments is generated in the correct
1473 gfc_namelist
*namelist
, *namelist_tail
;
1475 /* Change management fields. Symbols that might be modified by the
1476 current statement have the mark member nonzero and are kept in a
1477 singly linked list through the tlink field. Of these symbols,
1478 symbols with old_symbol equal to NULL are symbols created within
1479 the current statement. Otherwise, old_symbol points to a copy of
1482 struct gfc_symbol
*old_symbol
, *tlink
;
1483 unsigned mark
:1, gfc_new
:1;
1484 /* Nonzero if all equivalences associated with this symbol have been
1486 unsigned equiv_built
:1;
1487 /* Set if this variable is used as an index name in a FORALL. */
1488 unsigned forall_index
:1;
1489 /* Used to avoid multiple resolutions of a single symbol. */
1490 unsigned resolved
:1;
1493 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1497 /* Identity of the intrinsic module the symbol comes from, or
1498 INTMOD_NONE if it's not imported from a intrinsic module. */
1499 intmod_id from_intmod
;
1500 /* Identity of the symbol from intrinsic modules, from enums maintained
1501 separately by each intrinsic module. Used together with from_intmod,
1502 it uniquely identifies a symbol from an intrinsic module. */
1505 /* This may be repetitive, since the typespec now has a binding
1507 const char* binding_label
;
1508 /* Store a reference to the common_block, if this symbol is in one. */
1509 struct gfc_common_head
*common_block
;
1511 /* Link to corresponding association-list if this is an associate name. */
1512 struct gfc_association_list
*assoc
;
1517 struct gfc_undo_change_set
1519 vec
<gfc_symbol
*> syms
;
1520 vec
<gfc_typebound_proc
*> tbps
;
1521 gfc_undo_change_set
*previous
;
1525 /* This structure is used to keep track of symbols in common blocks. */
1526 typedef struct gfc_common_head
1529 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1530 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1531 struct gfc_symbol
*head
;
1532 const char* binding_label
;
1538 #define gfc_get_common_head() XCNEW (gfc_common_head)
1541 /* A list of all the alternate entry points for a procedure. */
1543 typedef struct gfc_entry_list
1545 /* The symbol for this entry point. */
1547 /* The zero-based id of this entry point. */
1549 /* The LABEL_EXPR marking this entry point. */
1551 /* The next item in the list. */
1552 struct gfc_entry_list
*next
;
1556 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1558 /* Lists of rename info for the USE statement. */
1560 typedef struct gfc_use_rename
1562 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1563 struct gfc_use_rename
*next
;
1565 gfc_intrinsic_op op
;
1570 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1572 /* A list of all USE statements in a namespace. */
1574 typedef struct gfc_use_list
1576 const char *module_name
;
1580 struct gfc_use_rename
*rename
;
1582 /* Next USE statement. */
1583 struct gfc_use_list
*next
;
1587 #define gfc_get_use_list() XCNEW (gfc_use_list)
1589 /* Within a namespace, symbols are pointed to by symtree nodes that
1590 are linked together in a balanced binary tree. There can be
1591 several symtrees pointing to the same symbol node via USE
1594 typedef struct gfc_symtree
1596 BBT_HEADER (gfc_symtree
);
1601 gfc_symbol
*sym
; /* Symbol associated with this node */
1603 gfc_common_head
*common
;
1604 gfc_typebound_proc
*tb
;
1605 gfc_omp_udr
*omp_udr
;
1611 /* A linked list of derived types in the namespace. */
1612 typedef struct gfc_dt_list
1614 struct gfc_symbol
*derived
;
1615 struct gfc_dt_list
*next
;
1619 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1621 /* A list of all derived types. */
1622 extern gfc_dt_list
*gfc_derived_types
;
1624 /* A namespace describes the contents of procedure, module, interface block
1625 or BLOCK construct. */
1626 /* ??? Anything else use these? */
1628 typedef struct gfc_namespace
1630 /* Tree containing all the symbols in this namespace. */
1631 gfc_symtree
*sym_root
;
1632 /* Tree containing all the user-defined operators in the namespace. */
1633 gfc_symtree
*uop_root
;
1634 /* Tree containing all the common blocks. */
1635 gfc_symtree
*common_root
;
1636 /* Tree containing all the OpenMP user defined reductions. */
1637 gfc_symtree
*omp_udr_root
;
1639 /* Tree containing type-bound procedures. */
1640 gfc_symtree
*tb_sym_root
;
1641 /* Type-bound user operators. */
1642 gfc_symtree
*tb_uop_root
;
1643 /* For derived-types, store type-bound intrinsic operators here. */
1644 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1645 /* Linked list of finalizer procedures. */
1646 struct gfc_finalizer
*finalizers
;
1648 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1649 int set_flag
[GFC_LETTERS
];
1650 /* Keeps track of the implicit types associated with the letters. */
1651 gfc_typespec default_type
[GFC_LETTERS
];
1652 /* Store the positions of IMPLICIT statements. */
1653 locus implicit_loc
[GFC_LETTERS
];
1655 /* If this is a namespace of a procedure, this points to the procedure. */
1656 struct gfc_symbol
*proc_name
;
1657 /* If this is the namespace of a unit which contains executable
1658 code, this points to it. */
1659 struct gfc_code
*code
;
1661 /* Points to the equivalences set up in this namespace. */
1662 struct gfc_equiv
*equiv
, *old_equiv
;
1664 /* Points to the equivalence groups produced by trans_common. */
1665 struct gfc_equiv_list
*equiv_lists
;
1667 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1669 /* Points to the parent namespace, i.e. the namespace of a module or
1670 procedure in which the procedure belonging to this namespace is
1671 contained. The parent namespace points to this namespace either
1672 directly via CONTAINED, or indirectly via the chain built by
1674 struct gfc_namespace
*parent
;
1675 /* CONTAINED points to the first contained namespace. Sibling
1676 namespaces are chained via SIBLING. */
1677 struct gfc_namespace
*contained
, *sibling
;
1679 gfc_common_head blank_common
;
1680 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1682 gfc_st_label
*st_labels
;
1683 /* This list holds information about all the data initializers in
1685 struct gfc_data
*data
;
1687 /* !$ACC DECLARE clauses. */
1688 gfc_omp_clauses
*oacc_declare_clauses
;
1690 gfc_charlen
*cl_list
, *old_cl_list
;
1692 gfc_dt_list
*derived_types
;
1694 int save_all
, seen_save
, seen_implicit_none
;
1696 /* Normally we don't need to refcount namespaces. However when we read
1697 a module containing a function with multiple entry points, this
1698 will appear as several functions with the same formal namespace. */
1701 /* A list of all alternate entry points to this procedure (or NULL). */
1702 gfc_entry_list
*entries
;
1704 /* A list of USE statements in this namespace. */
1705 gfc_use_list
*use_stmts
;
1707 /* Linked list of !$omp declare simd constructs. */
1708 struct gfc_omp_declare_simd
*omp_declare_simd
;
1710 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1711 unsigned is_block_data
:1;
1713 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1714 unsigned has_import_set
:1;
1716 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1717 unsigned has_implicit_none_export
:1;
1719 /* Set to 1 if resolved has been called for this namespace.
1720 Holds -1 during resolution. */
1723 /* Set to 1 if code has been generated for this namespace. */
1724 unsigned translated
:1;
1726 /* Set to 1 if symbols in this namespace should be 'construct entities',
1727 i.e. for BLOCK local variables. */
1728 unsigned construct_entities
:1;
1730 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1731 unsigned omp_udr_ns
:1;
1735 extern gfc_namespace
*gfc_current_ns
;
1736 extern gfc_namespace
*gfc_global_ns_list
;
1738 /* Global symbols are symbols of global scope. Currently we only use
1739 this to detect collisions already when parsing.
1740 TODO: Extend to verify procedure calls. */
1742 enum gfc_symbol_type
1744 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1745 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1748 typedef struct gfc_gsymbol
1750 BBT_HEADER(gfc_gsymbol
);
1753 const char *sym_name
;
1754 const char *mod_name
;
1755 const char *binding_label
;
1756 enum gfc_symbol_type type
;
1764 extern gfc_gsymbol
*gfc_gsym_root
;
1766 /* Information on interfaces being built. */
1769 interface_type type
;
1773 gfc_intrinsic_op op
;
1777 extern gfc_interface_info current_interface
;
1780 /* Array reference. */
1782 enum gfc_array_ref_dimen_type
1784 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1787 typedef struct gfc_array_ref
1790 int dimen
; /* # of components in the reference */
1792 bool in_allocate
; /* For coarray checks. */
1796 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1797 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1798 *stride
[GFC_MAX_DIMENSIONS
];
1800 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1804 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1807 /* Component reference nodes. A variable is stored as an expression
1808 node that points to the base symbol. After that, a singly linked
1809 list of component reference nodes gives the variable's complete
1810 resolution. The array_ref component may be present and comes
1811 before the component component. */
1814 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1817 typedef struct gfc_ref
1823 struct gfc_array_ref ar
;
1827 gfc_component
*component
;
1834 struct gfc_expr
*start
, *end
; /* Substring */
1835 gfc_charlen
*length
;
1842 struct gfc_ref
*next
;
1846 #define gfc_get_ref() XCNEW (gfc_ref)
1849 /* Structures representing intrinsic symbols and their arguments lists. */
1850 typedef struct gfc_intrinsic_arg
1852 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1855 unsigned optional
:1, value
:1;
1856 ENUM_BITFIELD (sym_intent
) intent
:2;
1857 gfc_actual_arglist
*actual
;
1859 struct gfc_intrinsic_arg
*next
;
1865 /* Specifies the various kinds of check functions used to verify the
1866 argument lists of intrinsic functions. fX with X an integer refer
1867 to check functions of intrinsics with X arguments. f1m is used for
1868 the MAX and MIN intrinsics which can have an arbitrary number of
1869 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1870 these have special semantics. */
1875 bool (*f1
)(struct gfc_expr
*);
1876 bool (*f1m
)(gfc_actual_arglist
*);
1877 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1878 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1879 bool (*f3ml
)(gfc_actual_arglist
*);
1880 bool (*f3red
)(gfc_actual_arglist
*);
1881 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1883 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1884 struct gfc_expr
*, struct gfc_expr
*);
1888 /* Like gfc_check_f, these specify the type of the simplification
1889 function associated with an intrinsic. The fX are just like in
1890 gfc_check_f. cc is used for type conversion functions. */
1894 struct gfc_expr
*(*f0
)(void);
1895 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1896 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1897 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1899 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1900 struct gfc_expr
*, struct gfc_expr
*);
1901 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1902 struct gfc_expr
*, struct gfc_expr
*,
1904 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1908 /* Again like gfc_check_f, these specify the type of the resolution
1909 function associated with an intrinsic. The fX are just like in
1910 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1914 void (*f0
)(struct gfc_expr
*);
1915 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1916 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1917 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1918 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1920 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1921 struct gfc_expr
*, struct gfc_expr
*);
1922 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1923 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1924 void (*s1
)(struct gfc_code
*);
1929 typedef struct gfc_intrinsic_sym
1931 const char *name
, *lib_name
;
1932 gfc_intrinsic_arg
*formal
;
1934 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1935 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1940 gfc_simplify_f simplify
;
1942 gfc_resolve_f resolve
;
1943 struct gfc_intrinsic_sym
*specific_head
, *next
;
1950 /* Expression nodes. The expression node types deserve explanations,
1951 since the last couple can be easily misconstrued:
1953 EXPR_OP Operator node pointing to one or two other nodes
1954 EXPR_FUNCTION Function call, symbol points to function's name
1955 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1956 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1957 which expresses structure, array and substring refs.
1958 EXPR_NULL The NULL pointer value (which also has a basic type).
1959 EXPR_SUBSTRING A substring of a constant string
1960 EXPR_STRUCTURE A structure constructor
1961 EXPR_ARRAY An array constructor.
1962 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1963 component or type-bound procedure. */
1967 #define GFC_RND_MODE GMP_RNDN
1968 #define GFC_MPC_RND_MODE MPC_RNDNN
1970 typedef splay_tree gfc_constructor_base
;
1972 typedef struct gfc_expr
1976 gfc_typespec ts
; /* These two refer to the overall expression */
1978 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1979 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1981 /* Nonnull for functions and structure constructors, may also used to hold the
1982 base-object for component calls. */
1983 gfc_symtree
*symtree
;
1989 /* Used to store the base expression in component calls, when the expression
1990 is not a variable. */
1991 struct gfc_expr
*base_expr
;
1993 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1994 denotes a signalling not-a-number. */
1995 unsigned int is_boz
: 1, is_snan
: 1;
1997 /* Sometimes, when an error has been emitted, it is necessary to prevent
1998 it from recurring. */
1999 unsigned int error
: 1;
2001 /* Mark an expression where a user operator has been substituted by
2002 a function call in interface.c(gfc_extend_expr). */
2003 unsigned int user_operator
: 1;
2005 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2006 unsigned int mold
: 1;
2008 /* If an expression comes from a Hollerith constant or compile-time
2009 evaluation of a transfer statement, it may have a prescribed target-
2010 memory representation, and these cannot always be backformed from
2033 gfc_intrinsic_op op
;
2035 struct gfc_expr
*op1
, *op2
;
2041 gfc_actual_arglist
*actual
;
2042 const char *name
; /* Points to the ultimate name of the function */
2043 gfc_intrinsic_sym
*isym
;
2050 gfc_actual_arglist
* actual
;
2052 /* Base-object, whose component was called. NULL means that it should
2053 be taken from symtree/ref. */
2054 struct gfc_expr
* base_object
;
2055 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2057 /* For type-bound operators, we want to call PASS procedures but already
2058 have the full arglist; mark this, so that it is not extended by the
2060 unsigned ignore_pass
:1;
2062 /* Do assign-calls rather than calls, that is appropriate dependency
2075 gfc_constructor_base constructor
;
2083 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2085 /* Structures for information associated with different kinds of
2086 numbers. The first set of integer parameters define all there is
2087 to know about a particular kind. The rest of the elements are
2088 computed from the first elements. */
2092 /* Values really representable by the target. */
2093 mpz_t huge
, pedantic_min_int
, min_int
;
2095 int kind
, radix
, digits
, bit_size
, range
;
2097 /* True if the C type of the given name maps to this precision.
2098 Note that more than one bit can be set. */
2099 unsigned int c_char
: 1;
2100 unsigned int c_short
: 1;
2101 unsigned int c_int
: 1;
2102 unsigned int c_long
: 1;
2103 unsigned int c_long_long
: 1;
2107 extern gfc_integer_info gfc_integer_kinds
[];
2114 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2115 unsigned int c_bool
: 1;
2119 extern gfc_logical_info gfc_logical_kinds
[];
2124 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2125 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2126 int range
, precision
;
2128 /* The precision of the type as reported by GET_MODE_PRECISION. */
2131 /* True if the C type of the given name maps to this precision.
2132 Note that more than one bit can be set. */
2133 unsigned int c_float
: 1;
2134 unsigned int c_double
: 1;
2135 unsigned int c_long_double
: 1;
2136 unsigned int c_float128
: 1;
2140 extern gfc_real_info gfc_real_kinds
[];
2149 extern gfc_character_info gfc_character_kinds
[];
2152 /* Equivalence structures. Equivalent lvalues are linked along the
2153 *eq pointer, equivalence sets are strung along the *next node. */
2154 typedef struct gfc_equiv
2156 struct gfc_equiv
*next
, *eq
;
2163 #define gfc_get_equiv() XCNEW (gfc_equiv)
2165 /* Holds a single equivalence member after processing. */
2166 typedef struct gfc_equiv_info
2169 HOST_WIDE_INT offset
;
2170 HOST_WIDE_INT length
;
2171 struct gfc_equiv_info
*next
;
2174 /* Holds equivalence groups, after they have been processed. */
2175 typedef struct gfc_equiv_list
2177 gfc_equiv_info
*equiv
;
2178 struct gfc_equiv_list
*next
;
2181 /* gfc_case stores the selector list of a case statement. The *low
2182 and *high pointers can point to the same expression in the case of
2183 a single value. If *high is NULL, the selection is from *low
2184 upwards, if *low is NULL the selection is *high downwards.
2186 This structure has separate fields to allow single and double linked
2187 lists of CASEs at the same time. The singe linked list along the NEXT
2188 field is a list of cases for a single CASE label. The double linked
2189 list along the LEFT/RIGHT fields is used to detect overlap and to
2190 build a table of the cases for SELECT constructs with a CHARACTER
2193 typedef struct gfc_case
2195 /* Where we saw this case. */
2199 /* Case range values. If (low == high), it's a single value. If one of
2200 the labels is NULL, it's an unbounded case. If both are NULL, this
2201 represents the default case. */
2202 gfc_expr
*low
, *high
;
2204 /* Only used for SELECT TYPE. */
2207 /* Next case label in the list of cases for a single CASE label. */
2208 struct gfc_case
*next
;
2210 /* Used for detecting overlap, and for code generation. */
2211 struct gfc_case
*left
, *right
;
2213 /* True if this case label can never be matched. */
2218 #define gfc_get_case() XCNEW (gfc_case)
2223 gfc_expr
*var
, *start
, *end
, *step
;
2227 #define gfc_get_iterator() XCNEW (gfc_iterator)
2230 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2232 typedef struct gfc_alloc
2235 struct gfc_alloc
*next
;
2239 #define gfc_get_alloc() XCNEW (gfc_alloc)
2244 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2245 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2246 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2254 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2262 gfc_expr
*unit
, *iostat
, *iomsg
;
2270 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2271 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2272 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2273 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2274 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2285 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2286 gfc_st_label
*err
, *end
, *eor
;
2293 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2294 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2295 *sign
, *extra_comma
, *dt_io_kind
;
2297 gfc_symbol
*namelist
;
2298 /* A format_label of `format_asterisk' indicates the "*" format */
2299 gfc_st_label
*format_label
;
2300 gfc_st_label
*err
, *end
, *eor
;
2302 locus eor_where
, end_where
, err_where
;
2307 typedef struct gfc_forall_iterator
2309 gfc_expr
*var
, *start
, *end
, *stride
;
2310 struct gfc_forall_iterator
*next
;
2312 gfc_forall_iterator
;
2315 /* Linked list to store associations in an ASSOCIATE statement. */
2317 typedef struct gfc_association_list
2319 struct gfc_association_list
*next
;
2321 /* Whether this is association to a variable that can be changed; otherwise,
2322 it's association to an expression and the name may not be used as
2324 unsigned variable
:1;
2326 /* True if this struct is currently only linked to from a gfc_symbol rather
2327 than as part of a real list in gfc_code->ext.block.assoc. This may
2328 happen for SELECT TYPE temporaries and must be considered
2329 for memory handling. */
2330 unsigned dangling
:1;
2332 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2333 gfc_symtree
*st
; /* Symtree corresponding to name. */
2338 gfc_association_list
;
2339 #define gfc_get_association_list() XCNEW (gfc_association_list)
2342 /* Executable statements that fill gfc_code structures. */
2345 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2346 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2347 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2348 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2349 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2350 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2351 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2352 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2353 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2354 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2355 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2356 EXEC_LOCK
, EXEC_UNLOCK
,
2357 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2358 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2359 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2360 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2361 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2362 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2363 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2364 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2365 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2366 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2367 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2368 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2369 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2370 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2371 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2372 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2373 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2374 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2375 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2376 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2377 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2378 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2379 EXEC_OMP_TARGET_UPDATE
2385 GFC_OMP_ATOMIC_UPDATE
= 0,
2386 GFC_OMP_ATOMIC_READ
= 1,
2387 GFC_OMP_ATOMIC_WRITE
= 2,
2388 GFC_OMP_ATOMIC_CAPTURE
= 3,
2389 GFC_OMP_ATOMIC_MASK
= 3,
2390 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2391 GFC_OMP_ATOMIC_SWAP
= 8
2395 typedef struct gfc_code
2399 struct gfc_code
*block
, *next
;
2402 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2403 gfc_symtree
*symtree
;
2404 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2405 /* A name isn't sufficient to identify a subroutine, we need the actual
2406 symbol for the interface definition.
2407 const char *sub_name; */
2408 gfc_symbol
*resolved_sym
;
2409 gfc_intrinsic_sym
*resolved_isym
;
2413 gfc_actual_arglist
*actual
;
2414 gfc_iterator
*iterator
;
2426 gfc_association_list
*assoc
;
2427 gfc_case
*case_list
;
2433 gfc_filepos
*filepos
;
2434 gfc_inquire
*inquire
;
2437 gfc_forall_iterator
*forall_iterator
;
2438 struct gfc_code
*which_construct
;
2440 gfc_entry_list
*entry
;
2441 gfc_omp_clauses
*omp_clauses
;
2442 const char *omp_name
;
2443 gfc_omp_namelist
*omp_namelist
;
2445 gfc_omp_atomic_op omp_atomic
;
2447 ext
; /* Points to additional structures required by statement */
2449 /* Cycle and break labels in constructs. */
2456 /* Storage for DATA statements. */
2457 typedef struct gfc_data_variable
2461 struct gfc_data_variable
*list
, *next
;
2466 typedef struct gfc_data_value
2470 struct gfc_data_value
*next
;
2475 typedef struct gfc_data
2477 gfc_data_variable
*var
;
2478 gfc_data_value
*value
;
2481 struct gfc_data
*next
;
2486 /* Structure for holding compile options */
2490 gfc_source_form source_form
;
2491 /* Maximum line lengths in fixed- and free-form source, respectively.
2492 When fixed_line_length or free_line_length are 0, the whole line is used,
2493 regardless of length.
2495 If the user requests a fixed_line_length <7 then gfc_init_options()
2496 emits a fatal error. */
2497 int fixed_line_length
;
2498 int free_line_length
;
2499 /* Maximum number of continuation lines in fixed- and free-form source,
2501 int max_continue_fixed
;
2502 int max_continue_free
;
2503 int max_identifier_length
;
2504 int dump_fortran_original
;
2505 int dump_fortran_optimized
;
2509 int gfc_warn_conversion
;
2510 int warn_c_binding_type
;
2511 int warn_conversion_extra
;
2512 int warn_function_elimination
;
2513 int warn_implicit_interface
;
2514 int warn_implicit_procedure
;
2515 int warn_line_truncation
;
2516 int warn_surprising
;
2519 int warn_intrinsic_shadow
;
2520 int warn_use_without_only
;
2521 int warn_intrinsics_std
;
2522 int warn_character_truncation
;
2523 int warn_array_temp
;
2524 int warn_align_commons
;
2525 int warn_real_q_constant
;
2526 int warn_unused_dummy_argument
;
2528 int warn_realloc_lhs
;
2529 int warn_realloc_lhs_all
;
2530 int warn_compare_reals
;
2531 int warn_target_lifetime
;
2534 int flag_all_intrinsics
;
2535 int flag_default_double
;
2536 int flag_default_integer
;
2537 int flag_default_real
;
2538 int flag_integer4_kind
;
2539 int flag_real4_kind
;
2540 int flag_real8_kind
;
2542 int flag_underscoring
;
2543 int flag_second_underscore
;
2544 int flag_implicit_none
;
2545 int flag_max_stack_var_size
;
2546 int flag_max_array_constructor
;
2547 int flag_range_check
;
2548 int flag_pack_derived
;
2549 int flag_repack_arrays
;
2550 int flag_preprocessed
;
2555 int flag_allow_leading_underscore
;
2556 int flag_external_blas
;
2557 int blas_matmul_limit
;
2558 int flag_cray_pointer
;
2560 int gfc_flag_openacc
;
2561 int gfc_flag_openmp
;
2562 int gfc_flag_openmp_simd
;
2564 int flag_stack_arrays
;
2565 int flag_module_private
;
2567 int flag_init_local_zero
;
2568 int flag_init_integer
;
2569 int flag_init_integer_value
;
2571 int flag_init_logical
;
2572 int flag_init_character
;
2573 char flag_init_character_value
;
2574 int flag_align_commons
;
2575 int flag_protect_parens
;
2576 int flag_realloc_lhs
;
2577 int flag_aggressive_function_elimination
;
2578 int flag_frontend_optimize
;
2583 gfc_fcoarray coarray
;
2589 int max_subrecord_length
;
2593 extern gfc_option_t gfc_option
;
2595 /* Constructor nodes for array and structure constructors. */
2596 typedef struct gfc_constructor
2598 gfc_constructor_base base
;
2599 mpz_t offset
; /* Offset within a constructor, used as
2603 gfc_iterator
*iterator
;
2608 gfc_component
*component
; /* Record the component being initialized. */
2611 mpz_t repeat
; /* Record the repeat number of initial values in data
2612 statement like "data a/5*10/". */
2617 typedef struct iterator_stack
2619 gfc_symtree
*variable
;
2621 struct iterator_stack
*prev
;
2624 extern iterator_stack
*iter_stack
;
2627 /* Used for (possibly nested) SELECT TYPE statements. */
2628 typedef struct gfc_select_type_stack
2630 gfc_symbol
*selector
; /* Current selector variable. */
2631 gfc_symtree
*tmp
; /* Current temporary variable. */
2632 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2634 gfc_select_type_stack
;
2635 extern gfc_select_type_stack
*select_type_stack
;
2636 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2639 /* Node in the linked list used for storing finalizer procedures. */
2641 typedef struct gfc_finalizer
2643 struct gfc_finalizer
* next
;
2644 locus where
; /* Where the FINAL declaration occurred. */
2646 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2647 symtree and later need only that. This way, we can access and call the
2648 finalizers from every context as they should be "always accessible". I
2649 don't make this a union because we need the information whether proc_sym is
2650 still referenced or not for dereferencing it on deleting a gfc_finalizer
2652 gfc_symbol
* proc_sym
;
2653 gfc_symtree
* proc_tree
;
2656 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2659 /************************ Function prototypes *************************/
2662 bool gfc_in_match_data (void);
2663 match
gfc_match_char_spec (gfc_typespec
*);
2666 void gfc_scanner_done_1 (void);
2667 void gfc_scanner_init_1 (void);
2669 void gfc_add_include_path (const char *, bool, bool, bool);
2670 void gfc_add_intrinsic_modules_path (const char *);
2671 void gfc_release_include_path (void);
2672 FILE *gfc_open_included_file (const char *, bool, bool);
2674 int gfc_at_end (void);
2675 int gfc_at_eof (void);
2676 int gfc_at_bol (void);
2677 int gfc_at_eol (void);
2678 void gfc_advance_line (void);
2679 int gfc_check_include (void);
2680 int gfc_define_undef_line (void);
2682 int gfc_wide_is_printable (gfc_char_t
);
2683 int gfc_wide_is_digit (gfc_char_t
);
2684 int gfc_wide_fits_in_byte (gfc_char_t
);
2685 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2686 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2687 size_t gfc_wide_strlen (const gfc_char_t
*);
2688 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2689 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2690 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2691 gfc_char_t
*gfc_char_to_widechar (const char *);
2693 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2695 void gfc_skip_comments (void);
2696 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2697 gfc_char_t
gfc_next_char (void);
2698 char gfc_next_ascii_char (void);
2699 gfc_char_t
gfc_peek_char (void);
2700 char gfc_peek_ascii_char (void);
2701 void gfc_error_recovery (void);
2702 void gfc_gobble_whitespace (void);
2703 bool gfc_new_file (void);
2704 const char * gfc_read_orig_filename (const char *, const char **);
2706 extern gfc_source_form gfc_current_form
;
2707 extern const char *gfc_source_file
;
2708 extern locus gfc_current_locus
;
2710 void gfc_start_source_files (void);
2711 void gfc_end_source_files (void);
2714 void gfc_clear_ts (gfc_typespec
*);
2715 FILE *gfc_open_file (const char *);
2716 const char *gfc_basic_typename (bt
);
2717 const char *gfc_typename (gfc_typespec
*);
2718 const char *gfc_op2string (gfc_intrinsic_op
);
2719 const char *gfc_code2string (const mstring
*, int);
2720 int gfc_string2code (const mstring
*, const char *);
2721 const char *gfc_intent_string (sym_intent
);
2723 void gfc_init_1 (void);
2724 void gfc_init_2 (void);
2725 void gfc_done_1 (void);
2726 void gfc_done_2 (void);
2728 int get_c_kind (const char *, CInteropKind_t
*);
2731 unsigned int gfc_option_lang_mask (void);
2732 void gfc_init_options_struct (struct gcc_options
*);
2733 void gfc_init_options (unsigned int,
2734 struct cl_decoded_option
*);
2735 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2736 const struct cl_option_handlers
*);
2737 bool gfc_post_options (const char **);
2738 char *gfc_get_option_string (void);
2741 void gfc_maybe_initialize_eh (void);
2744 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2745 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2749 typedef struct gfc_error_buf
2752 size_t allocated
, index
;
2756 void gfc_error_init_1 (void);
2757 void gfc_diagnostics_init(void);
2758 void gfc_buffer_error (int);
2760 const char *gfc_print_wide_char (gfc_char_t
);
2762 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2763 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2764 bool gfc_warning_now_2 (const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(1,2);
2765 bool gfc_warning_now_2 (int opt
, const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(2,3);
2767 void gfc_clear_warning (void);
2768 void gfc_warning_check (void);
2770 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2771 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2772 void gfc_error_now_2 (const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(1,2);
2773 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2774 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2775 void gfc_clear_error (void);
2776 int gfc_error_check (void);
2777 int gfc_error_flag_test (void);
2779 notification
gfc_notification_std (int);
2780 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2782 /* A general purpose syntax error. */
2783 #define gfc_syntax_error(ST) \
2784 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2786 void gfc_push_error (gfc_error_buf
*);
2787 void gfc_pop_error (gfc_error_buf
*);
2788 void gfc_free_error (gfc_error_buf
*);
2790 void gfc_get_errors (int *, int *);
2791 void gfc_errors_to_warnings (int);
2794 void gfc_arith_init_1 (void);
2795 void gfc_arith_done_1 (void);
2796 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2797 bool gfc_check_character_range (gfc_char_t
, int);
2800 bool gfc_check_any_c_kind (gfc_typespec
*);
2801 int gfc_validate_kind (bt
, int, bool);
2802 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2803 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2804 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2805 extern int gfc_index_integer_kind
;
2806 extern int gfc_default_integer_kind
;
2807 extern int gfc_max_integer_kind
;
2808 extern int gfc_default_real_kind
;
2809 extern int gfc_default_double_kind
;
2810 extern int gfc_default_character_kind
;
2811 extern int gfc_default_logical_kind
;
2812 extern int gfc_default_complex_kind
;
2813 extern int gfc_c_int_kind
;
2814 extern int gfc_atomic_int_kind
;
2815 extern int gfc_atomic_logical_kind
;
2816 extern int gfc_intio_kind
;
2817 extern int gfc_charlen_int_kind
;
2818 extern int gfc_numeric_storage_size
;
2819 extern int gfc_character_storage_size
;
2822 void gfc_clear_new_implicit (void);
2823 bool gfc_add_new_implicit_range (int, int);
2824 bool gfc_merge_new_implicit (gfc_typespec
*);
2825 void gfc_set_implicit_none (bool, bool, locus
*);
2826 void gfc_check_function_type (gfc_namespace
*);
2827 bool gfc_is_intrinsic_typename (const char *);
2829 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2830 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2832 void gfc_set_sym_referenced (gfc_symbol
*);
2834 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2835 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2836 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2837 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2838 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2839 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2840 bool gfc_add_external (symbol_attribute
*, locus
*);
2841 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2842 bool gfc_add_optional (symbol_attribute
*, locus
*);
2843 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2844 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2845 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2846 match
gfc_mod_pointee_as (gfc_array_spec
*);
2847 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2848 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2849 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2850 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2851 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2852 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2853 bool gfc_add_target (symbol_attribute
*, locus
*);
2854 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2855 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2856 bool gfc_add_common (symbol_attribute
*, locus
*);
2857 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2858 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2859 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2860 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2861 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2862 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2863 bool gfc_add_pure (symbol_attribute
*, locus
*);
2864 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2865 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2866 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2867 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2868 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2869 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2870 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2872 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2873 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2874 bool gfc_add_extension (symbol_attribute
*, locus
*);
2875 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2876 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2877 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2878 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2879 const char *, locus
*);
2880 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2881 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2882 gfc_formal_arglist
*, locus
*);
2883 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2885 void gfc_clear_attr (symbol_attribute
*);
2886 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2887 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2889 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2890 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2891 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2892 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2894 gfc_st_label
*gfc_get_st_label (int);
2895 void gfc_free_st_label (gfc_st_label
*);
2896 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2897 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2899 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2900 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2901 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2902 void gfc_delete_symtree (gfc_symtree
**, const char *);
2903 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2904 gfc_user_op
*gfc_get_uop (const char *);
2905 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2906 void gfc_free_symbol (gfc_symbol
*);
2907 void gfc_release_symbol (gfc_symbol
*);
2908 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2909 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2910 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2911 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2912 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2913 bool gfc_verify_c_interop (gfc_typespec
*);
2914 bool gfc_verify_c_interop_param (gfc_symbol
*);
2915 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2916 bool verify_bind_c_derived_type (gfc_symbol
*);
2917 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2918 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2919 const char *, gfc_symtree
*, bool);
2920 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2921 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2922 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2924 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2925 void gfc_drop_last_undo_checkpoint (void);
2926 void gfc_restore_last_undo_checkpoint (void);
2927 void gfc_undo_symbols (void);
2928 void gfc_commit_symbols (void);
2929 void gfc_commit_symbol (gfc_symbol
*);
2930 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2931 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2932 void gfc_free_namespace (gfc_namespace
*);
2934 void gfc_symbol_init_2 (void);
2935 void gfc_symbol_done_2 (void);
2937 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2938 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2939 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2940 void gfc_save_all (gfc_namespace
*);
2942 void gfc_enforce_clean_symbol_state (void);
2943 void gfc_free_dt_list (void);
2946 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2947 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2949 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2950 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2951 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2952 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2953 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2955 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2956 gfc_actual_arglist
*);
2958 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2960 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2961 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2963 bool gfc_is_associate_pointer (gfc_symbol
*);
2964 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2965 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2967 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2968 extern bool gfc_init_expr_flag
;
2970 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2972 /* Given a symbol that we have decided is intrinsic, mark it as such
2973 by placing it into a special module that is otherwise impossible to
2976 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2978 void gfc_intrinsic_init_1 (void);
2979 void gfc_intrinsic_done_1 (void);
2981 char gfc_type_letter (bt
);
2982 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2983 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2984 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2985 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2986 int gfc_generic_intrinsic (const char *);
2987 int gfc_specific_intrinsic (const char *);
2988 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2989 int gfc_intrinsic_actual_ok (const char *, const bool);
2990 gfc_intrinsic_sym
*gfc_find_function (const char *);
2991 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2992 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2993 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2994 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2995 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2998 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2999 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3001 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3002 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3005 /* match.c -- FIXME */
3006 void gfc_free_iterator (gfc_iterator
*, int);
3007 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3008 void gfc_free_alloc_list (gfc_alloc
*);
3009 void gfc_free_namelist (gfc_namelist
*);
3010 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3011 void gfc_free_equiv (gfc_equiv
*);
3012 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3013 void gfc_free_data (gfc_data
*);
3014 void gfc_free_case_list (gfc_case
*);
3016 /* matchexp.c -- FIXME too? */
3017 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3020 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3021 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3022 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3023 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3024 void gfc_free_omp_udr (gfc_omp_udr
*);
3025 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3026 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3027 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
3028 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3029 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3030 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3031 void gfc_resolve_omp_udrs (gfc_symtree
*);
3032 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3033 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3034 void gfc_free_expr_list (gfc_expr_list
*);
3035 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3036 void gfc_resolve_oacc_declare (gfc_namespace
*);
3037 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3038 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3041 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3042 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3043 const char *gfc_extract_int (gfc_expr
*, int *);
3044 bool is_subref_array (gfc_expr
*);
3045 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
3046 bool gfc_check_init_expr (gfc_expr
*);
3048 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3049 void gfc_free_ref_list (gfc_ref
*);
3050 void gfc_type_convert_binary (gfc_expr
*, int);
3051 int gfc_is_constant_expr (gfc_expr
*);
3052 bool gfc_simplify_expr (gfc_expr
*, int);
3053 int gfc_has_vector_index (gfc_expr
*);
3055 gfc_expr
*gfc_get_expr (void);
3056 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3057 gfc_expr
*gfc_get_null_expr (locus
*);
3058 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3059 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3060 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3061 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
3062 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
3063 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3064 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3066 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3067 void gfc_free_shape (mpz_t
**shape
, int rank
);
3068 void gfc_free_expr (gfc_expr
*);
3069 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3070 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3071 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3072 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3073 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3075 bool gfc_specification_expr (gfc_expr
*);
3077 int gfc_numeric_ts (gfc_typespec
*);
3078 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3080 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3081 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
3082 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
3083 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3085 bool gfc_has_default_initializer (gfc_symbol
*);
3086 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3087 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3088 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3089 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3091 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3093 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3094 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3096 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3097 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3099 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3100 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3102 bool gfc_ref_this_image (gfc_ref
*ref
);
3103 bool gfc_is_coindexed (gfc_expr
*);
3104 bool gfc_is_coarray (gfc_expr
*);
3105 int gfc_get_corank (gfc_expr
*);
3106 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3107 bool gfc_has_ultimate_pointer (gfc_expr
*);
3109 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3110 locus
, unsigned, ...);
3111 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3115 extern gfc_code new_st
;
3117 void gfc_clear_new_st (void);
3118 gfc_code
*gfc_get_code (gfc_exec_op
);
3119 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3120 void gfc_free_statement (gfc_code
*);
3121 void gfc_free_statements (gfc_code
*);
3122 void gfc_free_association_list (gfc_association_list
*);
3125 bool gfc_resolve_expr (gfc_expr
*);
3126 void gfc_resolve (gfc_namespace
*);
3127 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3128 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3129 int gfc_impure_variable (gfc_symbol
*);
3130 int gfc_pure (gfc_symbol
*);
3131 int gfc_implicit_pure (gfc_symbol
*);
3132 void gfc_unset_implicit_pure (gfc_symbol
*);
3133 int gfc_elemental (gfc_symbol
*);
3134 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3135 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3136 bool gfc_resolve_index (gfc_expr
*, int);
3137 bool gfc_resolve_dim_arg (gfc_expr
*);
3138 int gfc_is_formal_arg (void);
3139 void gfc_resolve_substring_charlen (gfc_expr
*);
3140 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3141 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3142 bool gfc_type_is_extensible (gfc_symbol
*);
3143 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3144 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3145 extern int gfc_do_concurrent_flag
;
3149 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3151 void gfc_free_array_spec (gfc_array_spec
*);
3152 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3154 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3155 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3156 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3158 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3160 void gfc_simplify_iterator_var (gfc_expr
*);
3161 bool gfc_expand_constructor (gfc_expr
*, bool);
3162 int gfc_constant_ac (gfc_expr
*);
3163 int gfc_expanded_ac (gfc_expr
*);
3164 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3165 bool gfc_resolve_array_constructor (gfc_expr
*);
3166 bool gfc_check_constructor_type (gfc_expr
*);
3167 bool gfc_check_iter_variable (gfc_expr
*);
3168 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3169 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3170 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3171 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3172 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3173 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3174 bool spec_size (gfc_array_spec
*, mpz_t
*);
3175 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3176 int gfc_is_compile_time_shape (gfc_array_spec
*);
3178 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3181 /* interface.c -- FIXME: some of these should be in symbol.c */
3182 void gfc_free_interface (gfc_interface
*);
3183 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3184 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3185 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3186 char *, int, const char *, const char *);
3187 void gfc_check_interfaces (gfc_namespace
*);
3188 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3189 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3190 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3191 gfc_actual_arglist
**);
3192 match
gfc_extend_expr (gfc_expr
*);
3193 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3194 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3195 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3196 bool gfc_add_interface (gfc_symbol
*);
3197 gfc_interface
*gfc_current_interface_head (void);
3198 void gfc_set_current_interface_head (gfc_interface
*);
3199 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3200 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3201 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3202 int gfc_has_vector_subscript (gfc_expr
*);
3203 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3204 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3207 extern gfc_st_label format_asterisk
;
3209 void gfc_free_open (gfc_open
*);
3210 bool gfc_resolve_open (gfc_open
*);
3211 void gfc_free_close (gfc_close
*);
3212 bool gfc_resolve_close (gfc_close
*);
3213 void gfc_free_filepos (gfc_filepos
*);
3214 bool gfc_resolve_filepos (gfc_filepos
*);
3215 void gfc_free_inquire (gfc_inquire
*);
3216 bool gfc_resolve_inquire (gfc_inquire
*);
3217 void gfc_free_dt (gfc_dt
*);
3218 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3219 void gfc_free_wait (gfc_wait
*);
3220 bool gfc_resolve_wait (gfc_wait
*);
3223 void gfc_module_init_2 (void);
3224 void gfc_module_done_2 (void);
3225 void gfc_dump_module (const char *, int);
3226 bool gfc_check_symbol_access (gfc_symbol
*);
3227 void gfc_free_use_stmts (gfc_use_list
*);
3230 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3231 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3232 match
gfc_match_rvalue (gfc_expr
**);
3233 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3234 int gfc_check_digit (char, int);
3235 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3236 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3238 gfc_actual_arglist
**, bool);
3241 void gfc_generate_code (gfc_namespace
*);
3242 void gfc_generate_module_code (gfc_namespace
*);
3244 /* trans-intrinsic.c */
3245 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3248 typedef int (*compare_fn
) (void *, void *);
3249 void gfc_insert_bbt (void *, void *, compare_fn
);
3250 void gfc_delete_bbt (void *, void *, compare_fn
);
3252 /* dump-parse-tree.c */
3253 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3256 bool gfc_parse_file (void);
3257 void gfc_global_used (gfc_gsymbol
*, locus
*);
3258 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3261 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3262 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3263 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3266 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3267 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3268 size_t*, size_t*, size_t*);
3271 void gfc_fix_class_refs (gfc_expr
*e
);
3272 void gfc_add_component_ref (gfc_expr
*, const char *);
3273 void gfc_add_class_array_ref (gfc_expr
*);
3274 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3275 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3276 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3277 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3278 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3279 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3280 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3281 bool gfc_is_class_scalar_expr (gfc_expr
*);
3282 bool gfc_is_class_container_ref (gfc_expr
*e
);
3283 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3284 unsigned int gfc_hash_value (gfc_symbol
*);
3285 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3287 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3288 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3289 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3290 const char*, bool, locus
*);
3291 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3292 const char*, bool, locus
*);
3293 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3294 gfc_intrinsic_op
, bool,
3296 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3297 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3299 #define CLASS_DATA(sym) sym->ts.u.derived->components
3300 #define UNLIMITED_POLY(sym) \
3301 (sym != NULL && sym->ts.type == BT_CLASS \
3302 && CLASS_DATA (sym) \
3303 && CLASS_DATA (sym)->ts.u.derived \
3304 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3306 /* frontend-passes.c */
3308 void gfc_run_passes (gfc_namespace
*);
3310 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3311 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3313 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3314 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3315 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3319 void gfc_convert_mpz_to_signed (mpz_t
, int);
3321 #endif /* GCC_GFORTRAN_H */