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
, ST_OACC_ROUTINE
,
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
,
1145 OMP_MAP_FORCE_DEVICEPTR
1149 /* For use in OpenMP clauses in case we need extra information
1150 (aligned clause alignment, linear clause step, etc.). */
1152 typedef struct gfc_omp_namelist
1154 struct gfc_symbol
*sym
;
1155 struct gfc_expr
*expr
;
1158 gfc_omp_reduction_op reduction_op
;
1159 gfc_omp_depend_op depend_op
;
1160 gfc_omp_map_op map_op
;
1162 struct gfc_omp_namelist_udr
*udr
;
1163 struct gfc_omp_namelist
*next
;
1167 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1172 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1173 OMP_LIST_FIRSTPRIVATE
,
1174 OMP_LIST_LASTPRIVATE
,
1175 OMP_LIST_COPYPRIVATE
,
1186 OMP_LIST_DEVICE_RESIDENT
,
1187 OMP_LIST_USE_DEVICE
,
1192 /* Because a symbol can belong to multiple namelists, they must be
1193 linked externally to the symbol itself. */
1195 enum gfc_omp_sched_kind
1205 enum gfc_omp_default_sharing
1207 OMP_DEFAULT_UNKNOWN
,
1209 OMP_DEFAULT_PRIVATE
,
1211 OMP_DEFAULT_FIRSTPRIVATE
1214 enum gfc_omp_proc_bind_kind
1216 OMP_PROC_BIND_UNKNOWN
,
1217 OMP_PROC_BIND_MASTER
,
1218 OMP_PROC_BIND_SPREAD
,
1222 enum gfc_omp_cancel_kind
1225 OMP_CANCEL_PARALLEL
,
1226 OMP_CANCEL_SECTIONS
,
1228 OMP_CANCEL_TASKGROUP
1231 typedef struct gfc_omp_clauses
1233 struct gfc_expr
*if_expr
;
1234 struct gfc_expr
*final_expr
;
1235 struct gfc_expr
*num_threads
;
1236 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1237 enum gfc_omp_sched_kind sched_kind
;
1238 struct gfc_expr
*chunk_size
;
1239 enum gfc_omp_default_sharing default_sharing
;
1241 bool nowait
, ordered
, untied
, mergeable
;
1242 bool inbranch
, notinbranch
;
1243 enum gfc_omp_cancel_kind cancel
;
1244 enum gfc_omp_proc_bind_kind proc_bind
;
1245 struct gfc_expr
*safelen_expr
;
1246 struct gfc_expr
*simdlen_expr
;
1247 struct gfc_expr
*num_teams
;
1248 struct gfc_expr
*device
;
1249 struct gfc_expr
*thread_limit
;
1250 enum gfc_omp_sched_kind dist_sched_kind
;
1251 struct gfc_expr
*dist_chunk_size
;
1254 struct gfc_expr
*async_expr
;
1255 struct gfc_expr
*gang_expr
;
1256 struct gfc_expr
*worker_expr
;
1257 struct gfc_expr
*vector_expr
;
1258 struct gfc_expr
*num_gangs_expr
;
1259 struct gfc_expr
*num_workers_expr
;
1260 struct gfc_expr
*vector_length_expr
;
1261 gfc_expr_list
*wait_list
;
1262 gfc_expr_list
*tile_list
;
1263 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1264 unsigned wait
:1, par_auto
:1, gang_static
:1;
1270 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1273 /* Node in the linked list used for storing !$omp declare simd constructs. */
1275 typedef struct gfc_omp_declare_simd
1277 struct gfc_omp_declare_simd
*next
;
1278 locus where
; /* Where the !$omp declare simd construct occurred. */
1280 gfc_symbol
*proc_name
;
1282 gfc_omp_clauses
*clauses
;
1284 gfc_omp_declare_simd
;
1285 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1287 typedef struct gfc_omp_udr
1289 struct gfc_omp_udr
*next
;
1290 locus where
; /* Where the !$omp declare reduction construct occurred. */
1294 gfc_omp_reduction_op rop
;
1296 struct gfc_symbol
*omp_out
;
1297 struct gfc_symbol
*omp_in
;
1298 struct gfc_namespace
*combiner_ns
;
1300 struct gfc_symbol
*omp_priv
;
1301 struct gfc_symbol
*omp_orig
;
1302 struct gfc_namespace
*initializer_ns
;
1305 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1307 typedef struct gfc_omp_namelist_udr
1309 struct gfc_omp_udr
*udr
;
1310 struct gfc_code
*combiner
;
1311 struct gfc_code
*initializer
;
1313 gfc_omp_namelist_udr
;
1314 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1316 /* The gfc_st_label structure is a BBT attached to a namespace that
1317 records the usage of statement labels within that space. */
1319 typedef struct gfc_st_label
1321 BBT_HEADER(gfc_st_label
);
1325 gfc_sl_type defined
, referenced
;
1327 struct gfc_expr
*format
;
1336 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1337 typedef struct gfc_interface
1339 struct gfc_symbol
*sym
;
1341 struct gfc_interface
*next
;
1345 #define gfc_get_interface() XCNEW (gfc_interface)
1347 /* User operator nodes. These are like stripped down symbols. */
1353 struct gfc_namespace
*ns
;
1359 /* A list of specific bindings that are associated with a generic spec. */
1360 typedef struct gfc_tbp_generic
1362 /* The parser sets specific_st, upon resolution we look for the corresponding
1363 gfc_typebound_proc and set specific for further use. */
1364 struct gfc_symtree
* specific_st
;
1365 struct gfc_typebound_proc
* specific
;
1367 struct gfc_tbp_generic
* next
;
1372 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1375 /* Data needed for type-bound procedures. */
1376 typedef struct gfc_typebound_proc
1378 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1382 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1383 gfc_tbp_generic
* generic
;
1388 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1390 /* The overridden type-bound proc (or GENERIC with this name in the
1391 parent-type) or NULL if non. */
1392 struct gfc_typebound_proc
* overridden
;
1394 /* Once resolved, we use the position of pass_arg in the formal arglist of
1395 the binding-target procedure to identify it. The first argument has
1396 number 1 here, the second 2, and so on. */
1397 unsigned pass_arg_num
;
1399 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1400 unsigned non_overridable
:1;
1401 unsigned deferred
:1;
1402 unsigned is_generic
:1;
1403 unsigned function
:1, subroutine
:1;
1404 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1410 /* Symbol nodes. These are important things. They are what the
1411 standard refers to as "entities". The possibly multiple names that
1412 refer to the same entity are accomplished by a binary tree of
1413 symtree structures that is balanced by the red-black method-- more
1414 than one symtree node can point to any given symbol. */
1416 typedef struct gfc_symbol
1418 const char *name
; /* Primary name, before renaming */
1419 const char *module
; /* Module this symbol came from */
1423 symbol_attribute attr
;
1425 /* The formal member points to the formal argument list if the
1426 symbol is a function or subroutine name. If the symbol is a
1427 generic name, the generic member points to the list of
1430 gfc_interface
*generic
;
1431 gfc_access component_access
;
1433 gfc_formal_arglist
*formal
;
1434 struct gfc_namespace
*formal_ns
;
1435 struct gfc_namespace
*f2k_derived
;
1437 struct gfc_expr
*value
; /* Parameter/Initializer value */
1439 struct gfc_symbol
*result
; /* function result symbol */
1440 gfc_component
*components
; /* Derived type components */
1442 /* Defined only for Cray pointees; points to their pointer. */
1443 struct gfc_symbol
*cp_pointer
;
1445 int entry_id
; /* Used in resolve.c for entries. */
1447 /* CLASS hashed name for declared and dynamic types in the class. */
1450 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1452 /* This is in fact a gfc_common_head but it is only used for pointer
1453 comparisons to check if symbols are in the same common block. */
1454 struct gfc_common_head
* common_head
;
1456 /* Make sure setup code for dummy arguments is generated in the correct
1460 gfc_namelist
*namelist
, *namelist_tail
;
1462 /* Change management fields. Symbols that might be modified by the
1463 current statement have the mark member nonzero and are kept in a
1464 singly linked list through the tlink field. Of these symbols,
1465 symbols with old_symbol equal to NULL are symbols created within
1466 the current statement. Otherwise, old_symbol points to a copy of
1469 struct gfc_symbol
*old_symbol
, *tlink
;
1470 unsigned mark
:1, gfc_new
:1;
1471 /* Nonzero if all equivalences associated with this symbol have been
1473 unsigned equiv_built
:1;
1474 /* Set if this variable is used as an index name in a FORALL. */
1475 unsigned forall_index
:1;
1476 /* Used to avoid multiple resolutions of a single symbol. */
1477 unsigned resolved
:1;
1480 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1484 /* Identity of the intrinsic module the symbol comes from, or
1485 INTMOD_NONE if it's not imported from a intrinsic module. */
1486 intmod_id from_intmod
;
1487 /* Identity of the symbol from intrinsic modules, from enums maintained
1488 separately by each intrinsic module. Used together with from_intmod,
1489 it uniquely identifies a symbol from an intrinsic module. */
1492 /* This may be repetitive, since the typespec now has a binding
1494 const char* binding_label
;
1495 /* Store a reference to the common_block, if this symbol is in one. */
1496 struct gfc_common_head
*common_block
;
1498 /* Link to corresponding association-list if this is an associate name. */
1499 struct gfc_association_list
*assoc
;
1504 struct gfc_undo_change_set
1506 vec
<gfc_symbol
*> syms
;
1507 vec
<gfc_typebound_proc
*> tbps
;
1508 gfc_undo_change_set
*previous
;
1512 /* This structure is used to keep track of symbols in common blocks. */
1513 typedef struct gfc_common_head
1516 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1517 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1518 struct gfc_symbol
*head
;
1519 const char* binding_label
;
1525 #define gfc_get_common_head() XCNEW (gfc_common_head)
1528 /* A list of all the alternate entry points for a procedure. */
1530 typedef struct gfc_entry_list
1532 /* The symbol for this entry point. */
1534 /* The zero-based id of this entry point. */
1536 /* The LABEL_EXPR marking this entry point. */
1538 /* The next item in the list. */
1539 struct gfc_entry_list
*next
;
1543 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1545 /* Lists of rename info for the USE statement. */
1547 typedef struct gfc_use_rename
1549 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1550 struct gfc_use_rename
*next
;
1552 gfc_intrinsic_op op
;
1557 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1559 /* A list of all USE statements in a namespace. */
1561 typedef struct gfc_use_list
1563 const char *module_name
;
1567 struct gfc_use_rename
*rename
;
1569 /* Next USE statement. */
1570 struct gfc_use_list
*next
;
1574 #define gfc_get_use_list() XCNEW (gfc_use_list)
1576 /* Within a namespace, symbols are pointed to by symtree nodes that
1577 are linked together in a balanced binary tree. There can be
1578 several symtrees pointing to the same symbol node via USE
1581 typedef struct gfc_symtree
1583 BBT_HEADER (gfc_symtree
);
1588 gfc_symbol
*sym
; /* Symbol associated with this node */
1590 gfc_common_head
*common
;
1591 gfc_typebound_proc
*tb
;
1592 gfc_omp_udr
*omp_udr
;
1598 /* A linked list of derived types in the namespace. */
1599 typedef struct gfc_dt_list
1601 struct gfc_symbol
*derived
;
1602 struct gfc_dt_list
*next
;
1606 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1608 /* A list of all derived types. */
1609 extern gfc_dt_list
*gfc_derived_types
;
1611 /* A namespace describes the contents of procedure, module, interface block
1612 or BLOCK construct. */
1613 /* ??? Anything else use these? */
1615 typedef struct gfc_namespace
1617 /* Tree containing all the symbols in this namespace. */
1618 gfc_symtree
*sym_root
;
1619 /* Tree containing all the user-defined operators in the namespace. */
1620 gfc_symtree
*uop_root
;
1621 /* Tree containing all the common blocks. */
1622 gfc_symtree
*common_root
;
1623 /* Tree containing all the OpenMP user defined reductions. */
1624 gfc_symtree
*omp_udr_root
;
1626 /* Tree containing type-bound procedures. */
1627 gfc_symtree
*tb_sym_root
;
1628 /* Type-bound user operators. */
1629 gfc_symtree
*tb_uop_root
;
1630 /* For derived-types, store type-bound intrinsic operators here. */
1631 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1632 /* Linked list of finalizer procedures. */
1633 struct gfc_finalizer
*finalizers
;
1635 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1636 int set_flag
[GFC_LETTERS
];
1637 /* Keeps track of the implicit types associated with the letters. */
1638 gfc_typespec default_type
[GFC_LETTERS
];
1639 /* Store the positions of IMPLICIT statements. */
1640 locus implicit_loc
[GFC_LETTERS
];
1642 /* If this is a namespace of a procedure, this points to the procedure. */
1643 struct gfc_symbol
*proc_name
;
1644 /* If this is the namespace of a unit which contains executable
1645 code, this points to it. */
1646 struct gfc_code
*code
;
1648 /* Points to the equivalences set up in this namespace. */
1649 struct gfc_equiv
*equiv
, *old_equiv
;
1651 /* Points to the equivalence groups produced by trans_common. */
1652 struct gfc_equiv_list
*equiv_lists
;
1654 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1656 /* Points to the parent namespace, i.e. the namespace of a module or
1657 procedure in which the procedure belonging to this namespace is
1658 contained. The parent namespace points to this namespace either
1659 directly via CONTAINED, or indirectly via the chain built by
1661 struct gfc_namespace
*parent
;
1662 /* CONTAINED points to the first contained namespace. Sibling
1663 namespaces are chained via SIBLING. */
1664 struct gfc_namespace
*contained
, *sibling
;
1666 gfc_common_head blank_common
;
1667 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1669 gfc_st_label
*st_labels
;
1670 /* This list holds information about all the data initializers in
1672 struct gfc_data
*data
;
1674 /* !$ACC DECLARE clauses. */
1675 gfc_omp_clauses
*oacc_declare_clauses
;
1677 gfc_charlen
*cl_list
, *old_cl_list
;
1679 gfc_dt_list
*derived_types
;
1681 int save_all
, seen_save
, seen_implicit_none
;
1683 /* Normally we don't need to refcount namespaces. However when we read
1684 a module containing a function with multiple entry points, this
1685 will appear as several functions with the same formal namespace. */
1688 /* A list of all alternate entry points to this procedure (or NULL). */
1689 gfc_entry_list
*entries
;
1691 /* A list of USE statements in this namespace. */
1692 gfc_use_list
*use_stmts
;
1694 /* Linked list of !$omp declare simd constructs. */
1695 struct gfc_omp_declare_simd
*omp_declare_simd
;
1697 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1698 unsigned is_block_data
:1;
1700 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1701 unsigned has_import_set
:1;
1703 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1704 unsigned has_implicit_none_export
:1;
1706 /* Set to 1 if resolved has been called for this namespace.
1707 Holds -1 during resolution. */
1710 /* Set to 1 if code has been generated for this namespace. */
1711 unsigned translated
:1;
1713 /* Set to 1 if symbols in this namespace should be 'construct entities',
1714 i.e. for BLOCK local variables. */
1715 unsigned construct_entities
:1;
1717 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1718 unsigned omp_udr_ns
:1;
1722 extern gfc_namespace
*gfc_current_ns
;
1723 extern gfc_namespace
*gfc_global_ns_list
;
1725 /* Global symbols are symbols of global scope. Currently we only use
1726 this to detect collisions already when parsing.
1727 TODO: Extend to verify procedure calls. */
1729 enum gfc_symbol_type
1731 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1732 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1735 typedef struct gfc_gsymbol
1737 BBT_HEADER(gfc_gsymbol
);
1740 const char *sym_name
;
1741 const char *mod_name
;
1742 const char *binding_label
;
1743 enum gfc_symbol_type type
;
1751 extern gfc_gsymbol
*gfc_gsym_root
;
1753 /* Information on interfaces being built. */
1756 interface_type type
;
1760 gfc_intrinsic_op op
;
1764 extern gfc_interface_info current_interface
;
1767 /* Array reference. */
1769 enum gfc_array_ref_dimen_type
1771 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1774 typedef struct gfc_array_ref
1777 int dimen
; /* # of components in the reference */
1779 bool in_allocate
; /* For coarray checks. */
1783 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1784 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1785 *stride
[GFC_MAX_DIMENSIONS
];
1787 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1791 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1794 /* Component reference nodes. A variable is stored as an expression
1795 node that points to the base symbol. After that, a singly linked
1796 list of component reference nodes gives the variable's complete
1797 resolution. The array_ref component may be present and comes
1798 before the component component. */
1801 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1804 typedef struct gfc_ref
1810 struct gfc_array_ref ar
;
1814 gfc_component
*component
;
1821 struct gfc_expr
*start
, *end
; /* Substring */
1822 gfc_charlen
*length
;
1829 struct gfc_ref
*next
;
1833 #define gfc_get_ref() XCNEW (gfc_ref)
1836 /* Structures representing intrinsic symbols and their arguments lists. */
1837 typedef struct gfc_intrinsic_arg
1839 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1842 unsigned optional
:1, value
:1;
1843 ENUM_BITFIELD (sym_intent
) intent
:2;
1844 gfc_actual_arglist
*actual
;
1846 struct gfc_intrinsic_arg
*next
;
1852 /* Specifies the various kinds of check functions used to verify the
1853 argument lists of intrinsic functions. fX with X an integer refer
1854 to check functions of intrinsics with X arguments. f1m is used for
1855 the MAX and MIN intrinsics which can have an arbitrary number of
1856 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1857 these have special semantics. */
1862 bool (*f1
)(struct gfc_expr
*);
1863 bool (*f1m
)(gfc_actual_arglist
*);
1864 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1865 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1866 bool (*f3ml
)(gfc_actual_arglist
*);
1867 bool (*f3red
)(gfc_actual_arglist
*);
1868 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1870 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1871 struct gfc_expr
*, struct gfc_expr
*);
1875 /* Like gfc_check_f, these specify the type of the simplification
1876 function associated with an intrinsic. The fX are just like in
1877 gfc_check_f. cc is used for type conversion functions. */
1881 struct gfc_expr
*(*f0
)(void);
1882 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1883 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1884 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1886 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1887 struct gfc_expr
*, struct gfc_expr
*);
1888 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1889 struct gfc_expr
*, struct gfc_expr
*,
1891 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1895 /* Again like gfc_check_f, these specify the type of the resolution
1896 function associated with an intrinsic. The fX are just like in
1897 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1901 void (*f0
)(struct gfc_expr
*);
1902 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1903 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1904 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1905 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1907 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1908 struct gfc_expr
*, struct gfc_expr
*);
1909 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1910 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1911 void (*s1
)(struct gfc_code
*);
1916 typedef struct gfc_intrinsic_sym
1918 const char *name
, *lib_name
;
1919 gfc_intrinsic_arg
*formal
;
1921 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1922 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1927 gfc_simplify_f simplify
;
1929 gfc_resolve_f resolve
;
1930 struct gfc_intrinsic_sym
*specific_head
, *next
;
1937 /* Expression nodes. The expression node types deserve explanations,
1938 since the last couple can be easily misconstrued:
1940 EXPR_OP Operator node pointing to one or two other nodes
1941 EXPR_FUNCTION Function call, symbol points to function's name
1942 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1943 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1944 which expresses structure, array and substring refs.
1945 EXPR_NULL The NULL pointer value (which also has a basic type).
1946 EXPR_SUBSTRING A substring of a constant string
1947 EXPR_STRUCTURE A structure constructor
1948 EXPR_ARRAY An array constructor.
1949 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1950 component or type-bound procedure. */
1954 #define GFC_RND_MODE GMP_RNDN
1955 #define GFC_MPC_RND_MODE MPC_RNDNN
1957 typedef splay_tree gfc_constructor_base
;
1959 typedef struct gfc_expr
1963 gfc_typespec ts
; /* These two refer to the overall expression */
1965 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1966 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1968 /* Nonnull for functions and structure constructors, may also used to hold the
1969 base-object for component calls. */
1970 gfc_symtree
*symtree
;
1976 /* Used to store the base expression in component calls, when the expression
1977 is not a variable. */
1978 struct gfc_expr
*base_expr
;
1980 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1981 denotes a signalling not-a-number. */
1982 unsigned int is_boz
: 1, is_snan
: 1;
1984 /* Sometimes, when an error has been emitted, it is necessary to prevent
1985 it from recurring. */
1986 unsigned int error
: 1;
1988 /* Mark an expression where a user operator has been substituted by
1989 a function call in interface.c(gfc_extend_expr). */
1990 unsigned int user_operator
: 1;
1992 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1993 unsigned int mold
: 1;
1995 /* If an expression comes from a Hollerith constant or compile-time
1996 evaluation of a transfer statement, it may have a prescribed target-
1997 memory representation, and these cannot always be backformed from
2020 gfc_intrinsic_op op
;
2022 struct gfc_expr
*op1
, *op2
;
2028 gfc_actual_arglist
*actual
;
2029 const char *name
; /* Points to the ultimate name of the function */
2030 gfc_intrinsic_sym
*isym
;
2037 gfc_actual_arglist
* actual
;
2039 /* Base-object, whose component was called. NULL means that it should
2040 be taken from symtree/ref. */
2041 struct gfc_expr
* base_object
;
2042 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2044 /* For type-bound operators, we want to call PASS procedures but already
2045 have the full arglist; mark this, so that it is not extended by the
2047 unsigned ignore_pass
:1;
2049 /* Do assign-calls rather than calls, that is appropriate dependency
2062 gfc_constructor_base constructor
;
2070 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2072 /* Structures for information associated with different kinds of
2073 numbers. The first set of integer parameters define all there is
2074 to know about a particular kind. The rest of the elements are
2075 computed from the first elements. */
2079 /* Values really representable by the target. */
2080 mpz_t huge
, pedantic_min_int
, min_int
;
2082 int kind
, radix
, digits
, bit_size
, range
;
2084 /* True if the C type of the given name maps to this precision.
2085 Note that more than one bit can be set. */
2086 unsigned int c_char
: 1;
2087 unsigned int c_short
: 1;
2088 unsigned int c_int
: 1;
2089 unsigned int c_long
: 1;
2090 unsigned int c_long_long
: 1;
2094 extern gfc_integer_info gfc_integer_kinds
[];
2101 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2102 unsigned int c_bool
: 1;
2106 extern gfc_logical_info gfc_logical_kinds
[];
2111 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2112 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2113 int range
, precision
;
2115 /* The precision of the type as reported by GET_MODE_PRECISION. */
2118 /* True if the C type of the given name maps to this precision.
2119 Note that more than one bit can be set. */
2120 unsigned int c_float
: 1;
2121 unsigned int c_double
: 1;
2122 unsigned int c_long_double
: 1;
2123 unsigned int c_float128
: 1;
2127 extern gfc_real_info gfc_real_kinds
[];
2136 extern gfc_character_info gfc_character_kinds
[];
2139 /* Equivalence structures. Equivalent lvalues are linked along the
2140 *eq pointer, equivalence sets are strung along the *next node. */
2141 typedef struct gfc_equiv
2143 struct gfc_equiv
*next
, *eq
;
2150 #define gfc_get_equiv() XCNEW (gfc_equiv)
2152 /* Holds a single equivalence member after processing. */
2153 typedef struct gfc_equiv_info
2156 HOST_WIDE_INT offset
;
2157 HOST_WIDE_INT length
;
2158 struct gfc_equiv_info
*next
;
2161 /* Holds equivalence groups, after they have been processed. */
2162 typedef struct gfc_equiv_list
2164 gfc_equiv_info
*equiv
;
2165 struct gfc_equiv_list
*next
;
2168 /* gfc_case stores the selector list of a case statement. The *low
2169 and *high pointers can point to the same expression in the case of
2170 a single value. If *high is NULL, the selection is from *low
2171 upwards, if *low is NULL the selection is *high downwards.
2173 This structure has separate fields to allow single and double linked
2174 lists of CASEs at the same time. The singe linked list along the NEXT
2175 field is a list of cases for a single CASE label. The double linked
2176 list along the LEFT/RIGHT fields is used to detect overlap and to
2177 build a table of the cases for SELECT constructs with a CHARACTER
2180 typedef struct gfc_case
2182 /* Where we saw this case. */
2186 /* Case range values. If (low == high), it's a single value. If one of
2187 the labels is NULL, it's an unbounded case. If both are NULL, this
2188 represents the default case. */
2189 gfc_expr
*low
, *high
;
2191 /* Only used for SELECT TYPE. */
2194 /* Next case label in the list of cases for a single CASE label. */
2195 struct gfc_case
*next
;
2197 /* Used for detecting overlap, and for code generation. */
2198 struct gfc_case
*left
, *right
;
2200 /* True if this case label can never be matched. */
2205 #define gfc_get_case() XCNEW (gfc_case)
2210 gfc_expr
*var
, *start
, *end
, *step
;
2214 #define gfc_get_iterator() XCNEW (gfc_iterator)
2217 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2219 typedef struct gfc_alloc
2222 struct gfc_alloc
*next
;
2226 #define gfc_get_alloc() XCNEW (gfc_alloc)
2231 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2232 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2233 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2241 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2249 gfc_expr
*unit
, *iostat
, *iomsg
;
2257 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2258 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2259 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2260 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2261 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2272 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2273 gfc_st_label
*err
, *end
, *eor
;
2280 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2281 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2282 *sign
, *extra_comma
, *dt_io_kind
;
2284 gfc_symbol
*namelist
;
2285 /* A format_label of `format_asterisk' indicates the "*" format */
2286 gfc_st_label
*format_label
;
2287 gfc_st_label
*err
, *end
, *eor
;
2289 locus eor_where
, end_where
, err_where
;
2294 typedef struct gfc_forall_iterator
2296 gfc_expr
*var
, *start
, *end
, *stride
;
2297 struct gfc_forall_iterator
*next
;
2299 gfc_forall_iterator
;
2302 /* Linked list to store associations in an ASSOCIATE statement. */
2304 typedef struct gfc_association_list
2306 struct gfc_association_list
*next
;
2308 /* Whether this is association to a variable that can be changed; otherwise,
2309 it's association to an expression and the name may not be used as
2311 unsigned variable
:1;
2313 /* True if this struct is currently only linked to from a gfc_symbol rather
2314 than as part of a real list in gfc_code->ext.block.assoc. This may
2315 happen for SELECT TYPE temporaries and must be considered
2316 for memory handling. */
2317 unsigned dangling
:1;
2319 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2320 gfc_symtree
*st
; /* Symtree corresponding to name. */
2325 gfc_association_list
;
2326 #define gfc_get_association_list() XCNEW (gfc_association_list)
2329 /* Executable statements that fill gfc_code structures. */
2332 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2333 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2334 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2335 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2336 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2337 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2338 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2339 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2340 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2341 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2342 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2343 EXEC_LOCK
, EXEC_UNLOCK
,
2344 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2345 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2346 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2347 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2348 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2349 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2350 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2351 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2352 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2353 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2354 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2355 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2356 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2357 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2358 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2359 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2360 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2361 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2362 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2363 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2364 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2365 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2366 EXEC_OMP_TARGET_UPDATE
2372 GFC_OMP_ATOMIC_UPDATE
= 0,
2373 GFC_OMP_ATOMIC_READ
= 1,
2374 GFC_OMP_ATOMIC_WRITE
= 2,
2375 GFC_OMP_ATOMIC_CAPTURE
= 3,
2376 GFC_OMP_ATOMIC_MASK
= 3,
2377 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2378 GFC_OMP_ATOMIC_SWAP
= 8
2382 typedef struct gfc_code
2386 struct gfc_code
*block
, *next
;
2389 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2390 gfc_symtree
*symtree
;
2391 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2392 /* A name isn't sufficient to identify a subroutine, we need the actual
2393 symbol for the interface definition.
2394 const char *sub_name; */
2395 gfc_symbol
*resolved_sym
;
2396 gfc_intrinsic_sym
*resolved_isym
;
2400 gfc_actual_arglist
*actual
;
2401 gfc_iterator
*iterator
;
2413 gfc_association_list
*assoc
;
2414 gfc_case
*case_list
;
2420 gfc_filepos
*filepos
;
2421 gfc_inquire
*inquire
;
2424 gfc_forall_iterator
*forall_iterator
;
2425 struct gfc_code
*which_construct
;
2427 gfc_entry_list
*entry
;
2428 gfc_omp_clauses
*omp_clauses
;
2429 const char *omp_name
;
2430 gfc_omp_namelist
*omp_namelist
;
2432 gfc_omp_atomic_op omp_atomic
;
2434 ext
; /* Points to additional structures required by statement */
2436 /* Cycle and break labels in constructs. */
2443 /* Storage for DATA statements. */
2444 typedef struct gfc_data_variable
2448 struct gfc_data_variable
*list
, *next
;
2453 typedef struct gfc_data_value
2457 struct gfc_data_value
*next
;
2462 typedef struct gfc_data
2464 gfc_data_variable
*var
;
2465 gfc_data_value
*value
;
2468 struct gfc_data
*next
;
2473 /* Structure for holding compile options */
2477 gfc_source_form source_form
;
2478 /* Maximum line lengths in fixed- and free-form source, respectively.
2479 When fixed_line_length or free_line_length are 0, the whole line is used,
2480 regardless of length.
2482 If the user requests a fixed_line_length <7 then gfc_init_options()
2483 emits a fatal error. */
2484 int fixed_line_length
;
2485 int free_line_length
;
2486 /* Maximum number of continuation lines in fixed- and free-form source,
2488 int max_continue_fixed
;
2489 int max_continue_free
;
2490 int max_identifier_length
;
2491 int dump_fortran_original
;
2492 int dump_fortran_optimized
;
2496 int flag_all_intrinsics
;
2497 int flag_default_double
;
2498 int flag_default_integer
;
2499 int flag_default_real
;
2500 int flag_integer4_kind
;
2501 int flag_real4_kind
;
2502 int flag_real8_kind
;
2504 int flag_underscoring
;
2505 int flag_second_underscore
;
2506 int flag_implicit_none
;
2507 int flag_max_stack_var_size
;
2508 int flag_max_array_constructor
;
2509 int flag_range_check
;
2510 int flag_pack_derived
;
2511 int flag_repack_arrays
;
2512 int flag_preprocessed
;
2517 int flag_allow_leading_underscore
;
2518 int flag_external_blas
;
2519 int blas_matmul_limit
;
2520 int flag_cray_pointer
;
2522 int gfc_flag_openacc
;
2523 int gfc_flag_openmp
;
2524 int gfc_flag_openmp_simd
;
2526 int flag_stack_arrays
;
2527 int flag_module_private
;
2529 int flag_init_local_zero
;
2530 int flag_init_integer
;
2531 int flag_init_integer_value
;
2533 int flag_init_logical
;
2534 int flag_init_character
;
2535 char flag_init_character_value
;
2536 int flag_align_commons
;
2537 int flag_protect_parens
;
2538 int flag_realloc_lhs
;
2539 int flag_aggressive_function_elimination
;
2540 int flag_frontend_optimize
;
2545 gfc_fcoarray coarray
;
2551 int max_subrecord_length
;
2555 extern gfc_option_t gfc_option
;
2557 /* Constructor nodes for array and structure constructors. */
2558 typedef struct gfc_constructor
2560 gfc_constructor_base base
;
2561 mpz_t offset
; /* Offset within a constructor, used as
2565 gfc_iterator
*iterator
;
2570 gfc_component
*component
; /* Record the component being initialized. */
2573 mpz_t repeat
; /* Record the repeat number of initial values in data
2574 statement like "data a/5*10/". */
2579 typedef struct iterator_stack
2581 gfc_symtree
*variable
;
2583 struct iterator_stack
*prev
;
2586 extern iterator_stack
*iter_stack
;
2589 /* Used for (possibly nested) SELECT TYPE statements. */
2590 typedef struct gfc_select_type_stack
2592 gfc_symbol
*selector
; /* Current selector variable. */
2593 gfc_symtree
*tmp
; /* Current temporary variable. */
2594 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2596 gfc_select_type_stack
;
2597 extern gfc_select_type_stack
*select_type_stack
;
2598 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2601 /* Node in the linked list used for storing finalizer procedures. */
2603 typedef struct gfc_finalizer
2605 struct gfc_finalizer
* next
;
2606 locus where
; /* Where the FINAL declaration occurred. */
2608 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2609 symtree and later need only that. This way, we can access and call the
2610 finalizers from every context as they should be "always accessible". I
2611 don't make this a union because we need the information whether proc_sym is
2612 still referenced or not for dereferencing it on deleting a gfc_finalizer
2614 gfc_symbol
* proc_sym
;
2615 gfc_symtree
* proc_tree
;
2618 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2621 /************************ Function prototypes *************************/
2624 bool gfc_in_match_data (void);
2625 match
gfc_match_char_spec (gfc_typespec
*);
2628 void gfc_scanner_done_1 (void);
2629 void gfc_scanner_init_1 (void);
2631 void gfc_add_include_path (const char *, bool, bool, bool);
2632 void gfc_add_intrinsic_modules_path (const char *);
2633 void gfc_release_include_path (void);
2634 FILE *gfc_open_included_file (const char *, bool, bool);
2636 int gfc_at_end (void);
2637 int gfc_at_eof (void);
2638 int gfc_at_bol (void);
2639 int gfc_at_eol (void);
2640 void gfc_advance_line (void);
2641 int gfc_check_include (void);
2642 int gfc_define_undef_line (void);
2644 int gfc_wide_is_printable (gfc_char_t
);
2645 int gfc_wide_is_digit (gfc_char_t
);
2646 int gfc_wide_fits_in_byte (gfc_char_t
);
2647 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2648 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2649 size_t gfc_wide_strlen (const gfc_char_t
*);
2650 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2651 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2652 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2653 gfc_char_t
*gfc_char_to_widechar (const char *);
2655 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2657 void gfc_skip_comments (void);
2658 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2659 gfc_char_t
gfc_next_char (void);
2660 char gfc_next_ascii_char (void);
2661 gfc_char_t
gfc_peek_char (void);
2662 char gfc_peek_ascii_char (void);
2663 void gfc_error_recovery (void);
2664 void gfc_gobble_whitespace (void);
2665 bool gfc_new_file (void);
2666 const char * gfc_read_orig_filename (const char *, const char **);
2668 extern gfc_source_form gfc_current_form
;
2669 extern const char *gfc_source_file
;
2670 extern locus gfc_current_locus
;
2672 void gfc_start_source_files (void);
2673 void gfc_end_source_files (void);
2676 void gfc_clear_ts (gfc_typespec
*);
2677 FILE *gfc_open_file (const char *);
2678 const char *gfc_basic_typename (bt
);
2679 const char *gfc_typename (gfc_typespec
*);
2680 const char *gfc_op2string (gfc_intrinsic_op
);
2681 const char *gfc_code2string (const mstring
*, int);
2682 int gfc_string2code (const mstring
*, const char *);
2683 const char *gfc_intent_string (sym_intent
);
2685 void gfc_init_1 (void);
2686 void gfc_init_2 (void);
2687 void gfc_done_1 (void);
2688 void gfc_done_2 (void);
2690 int get_c_kind (const char *, CInteropKind_t
*);
2693 unsigned int gfc_option_lang_mask (void);
2694 void gfc_init_options_struct (struct gcc_options
*);
2695 void gfc_init_options (unsigned int,
2696 struct cl_decoded_option
*);
2697 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2698 const struct cl_option_handlers
*);
2699 bool gfc_post_options (const char **);
2700 char *gfc_get_option_string (void);
2703 void gfc_maybe_initialize_eh (void);
2706 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2707 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2711 typedef struct gfc_error_buf
2714 size_t allocated
, index
;
2718 void gfc_error_init_1 (void);
2719 void gfc_diagnostics_init (void);
2720 void gfc_diagnostics_finish (void);
2721 void gfc_buffer_error (bool);
2723 const char *gfc_print_wide_char (gfc_char_t
);
2725 void gfc_warning_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2726 bool gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2727 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2728 void gfc_warning_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2729 bool gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2730 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2732 void gfc_clear_warning (void);
2733 void gfc_warning_check (void);
2735 void gfc_error_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2736 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2737 void gfc_error_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2738 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2739 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2740 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2741 void gfc_clear_error (void);
2742 bool gfc_error_check (void);
2743 bool gfc_error_flag_test (void);
2745 notification
gfc_notification_std (int);
2746 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2748 /* A general purpose syntax error. */
2749 #define gfc_syntax_error(ST) \
2750 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2752 #include "pretty-print.h" /* For output_buffer. */
2753 void gfc_push_error (output_buffer
*, gfc_error_buf
*);
2754 void gfc_pop_error (output_buffer
*, gfc_error_buf
*);
2755 void gfc_free_error (output_buffer
*, gfc_error_buf
*);
2757 void gfc_get_errors (int *, int *);
2758 void gfc_errors_to_warnings (bool);
2761 void gfc_arith_init_1 (void);
2762 void gfc_arith_done_1 (void);
2763 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2764 bool gfc_check_character_range (gfc_char_t
, int);
2767 bool gfc_check_any_c_kind (gfc_typespec
*);
2768 int gfc_validate_kind (bt
, int, bool);
2769 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2770 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2771 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2772 extern int gfc_index_integer_kind
;
2773 extern int gfc_default_integer_kind
;
2774 extern int gfc_max_integer_kind
;
2775 extern int gfc_default_real_kind
;
2776 extern int gfc_default_double_kind
;
2777 extern int gfc_default_character_kind
;
2778 extern int gfc_default_logical_kind
;
2779 extern int gfc_default_complex_kind
;
2780 extern int gfc_c_int_kind
;
2781 extern int gfc_atomic_int_kind
;
2782 extern int gfc_atomic_logical_kind
;
2783 extern int gfc_intio_kind
;
2784 extern int gfc_charlen_int_kind
;
2785 extern int gfc_numeric_storage_size
;
2786 extern int gfc_character_storage_size
;
2789 void gfc_clear_new_implicit (void);
2790 bool gfc_add_new_implicit_range (int, int);
2791 bool gfc_merge_new_implicit (gfc_typespec
*);
2792 void gfc_set_implicit_none (bool, bool, locus
*);
2793 void gfc_check_function_type (gfc_namespace
*);
2794 bool gfc_is_intrinsic_typename (const char *);
2796 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2797 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2799 void gfc_set_sym_referenced (gfc_symbol
*);
2801 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2802 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2803 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2804 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2805 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2806 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2807 bool gfc_add_external (symbol_attribute
*, locus
*);
2808 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2809 bool gfc_add_optional (symbol_attribute
*, locus
*);
2810 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2811 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2812 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2813 match
gfc_mod_pointee_as (gfc_array_spec
*);
2814 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2815 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2816 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2817 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2818 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2819 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2820 bool gfc_add_target (symbol_attribute
*, locus
*);
2821 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2822 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2823 bool gfc_add_common (symbol_attribute
*, locus
*);
2824 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2825 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2826 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2827 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2828 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2829 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2830 bool gfc_add_pure (symbol_attribute
*, locus
*);
2831 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2832 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2833 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2834 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2835 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2836 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2837 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2839 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2840 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2841 bool gfc_add_extension (symbol_attribute
*, locus
*);
2842 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2843 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2844 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2845 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2846 const char *, locus
*);
2847 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2848 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2849 gfc_formal_arglist
*, locus
*);
2850 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2852 void gfc_clear_attr (symbol_attribute
*);
2853 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2854 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2856 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2857 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2858 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2859 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2861 gfc_st_label
*gfc_get_st_label (int);
2862 void gfc_free_st_label (gfc_st_label
*);
2863 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2864 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2866 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2867 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2868 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2869 void gfc_delete_symtree (gfc_symtree
**, const char *);
2870 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2871 gfc_user_op
*gfc_get_uop (const char *);
2872 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2873 void gfc_free_symbol (gfc_symbol
*);
2874 void gfc_release_symbol (gfc_symbol
*);
2875 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2876 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2877 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2878 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2879 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2880 bool gfc_verify_c_interop (gfc_typespec
*);
2881 bool gfc_verify_c_interop_param (gfc_symbol
*);
2882 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2883 bool verify_bind_c_derived_type (gfc_symbol
*);
2884 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2885 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2886 const char *, gfc_symtree
*, bool);
2887 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2888 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2889 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2891 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2892 void gfc_drop_last_undo_checkpoint (void);
2893 void gfc_restore_last_undo_checkpoint (void);
2894 void gfc_undo_symbols (void);
2895 void gfc_commit_symbols (void);
2896 void gfc_commit_symbol (gfc_symbol
*);
2897 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2898 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2899 void gfc_free_namespace (gfc_namespace
*);
2901 void gfc_symbol_init_2 (void);
2902 void gfc_symbol_done_2 (void);
2904 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2905 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2906 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2907 void gfc_save_all (gfc_namespace
*);
2909 void gfc_enforce_clean_symbol_state (void);
2910 void gfc_free_dt_list (void);
2913 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2914 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2916 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2917 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2918 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2919 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2920 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2922 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2923 gfc_actual_arglist
*);
2925 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2927 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2928 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2930 bool gfc_is_associate_pointer (gfc_symbol
*);
2931 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2932 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2934 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2935 extern bool gfc_init_expr_flag
;
2937 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2939 /* Given a symbol that we have decided is intrinsic, mark it as such
2940 by placing it into a special module that is otherwise impossible to
2943 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2945 void gfc_intrinsic_init_1 (void);
2946 void gfc_intrinsic_done_1 (void);
2948 char gfc_type_letter (bt
);
2949 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2950 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2951 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2952 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2953 int gfc_generic_intrinsic (const char *);
2954 int gfc_specific_intrinsic (const char *);
2955 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2956 int gfc_intrinsic_actual_ok (const char *, const bool);
2957 gfc_intrinsic_sym
*gfc_find_function (const char *);
2958 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2959 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2960 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2961 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2962 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2965 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2966 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2968 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2969 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2972 /* match.c -- FIXME */
2973 void gfc_free_iterator (gfc_iterator
*, int);
2974 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2975 void gfc_free_alloc_list (gfc_alloc
*);
2976 void gfc_free_namelist (gfc_namelist
*);
2977 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2978 void gfc_free_equiv (gfc_equiv
*);
2979 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2980 void gfc_free_data (gfc_data
*);
2981 void gfc_free_case_list (gfc_case
*);
2983 /* matchexp.c -- FIXME too? */
2984 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2987 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2988 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2989 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2990 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2991 void gfc_free_omp_udr (gfc_omp_udr
*);
2992 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2993 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2994 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2995 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2996 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2997 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2998 void gfc_resolve_omp_udrs (gfc_symtree
*);
2999 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3000 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3001 void gfc_free_expr_list (gfc_expr_list
*);
3002 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3003 void gfc_resolve_oacc_declare (gfc_namespace
*);
3004 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3005 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3008 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3009 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3010 const char *gfc_extract_int (gfc_expr
*, int *);
3011 bool is_subref_array (gfc_expr
*);
3012 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
3013 bool gfc_check_init_expr (gfc_expr
*);
3015 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3016 void gfc_free_ref_list (gfc_ref
*);
3017 void gfc_type_convert_binary (gfc_expr
*, int);
3018 int gfc_is_constant_expr (gfc_expr
*);
3019 bool gfc_simplify_expr (gfc_expr
*, int);
3020 int gfc_has_vector_index (gfc_expr
*);
3022 gfc_expr
*gfc_get_expr (void);
3023 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3024 gfc_expr
*gfc_get_null_expr (locus
*);
3025 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3026 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3027 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3028 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
3029 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
3030 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3031 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3033 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3034 void gfc_free_shape (mpz_t
**shape
, int rank
);
3035 void gfc_free_expr (gfc_expr
*);
3036 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3037 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3038 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3039 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3040 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3042 bool gfc_specification_expr (gfc_expr
*);
3044 int gfc_numeric_ts (gfc_typespec
*);
3045 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3047 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3048 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
3049 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
3050 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3052 bool gfc_has_default_initializer (gfc_symbol
*);
3053 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3054 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3055 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3056 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3058 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3060 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3061 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3063 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3064 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3066 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3067 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3069 bool gfc_ref_this_image (gfc_ref
*ref
);
3070 bool gfc_is_coindexed (gfc_expr
*);
3071 bool gfc_is_coarray (gfc_expr
*);
3072 int gfc_get_corank (gfc_expr
*);
3073 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3074 bool gfc_has_ultimate_pointer (gfc_expr
*);
3076 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3077 locus
, unsigned, ...);
3078 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3082 extern gfc_code new_st
;
3084 void gfc_clear_new_st (void);
3085 gfc_code
*gfc_get_code (gfc_exec_op
);
3086 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3087 void gfc_free_statement (gfc_code
*);
3088 void gfc_free_statements (gfc_code
*);
3089 void gfc_free_association_list (gfc_association_list
*);
3092 bool gfc_resolve_expr (gfc_expr
*);
3093 void gfc_resolve (gfc_namespace
*);
3094 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3095 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3096 int gfc_impure_variable (gfc_symbol
*);
3097 int gfc_pure (gfc_symbol
*);
3098 int gfc_implicit_pure (gfc_symbol
*);
3099 void gfc_unset_implicit_pure (gfc_symbol
*);
3100 int gfc_elemental (gfc_symbol
*);
3101 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3102 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3103 bool gfc_resolve_index (gfc_expr
*, int);
3104 bool gfc_resolve_dim_arg (gfc_expr
*);
3105 int gfc_is_formal_arg (void);
3106 void gfc_resolve_substring_charlen (gfc_expr
*);
3107 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3108 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3109 bool gfc_type_is_extensible (gfc_symbol
*);
3110 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3111 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3112 extern int gfc_do_concurrent_flag
;
3116 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3118 void gfc_free_array_spec (gfc_array_spec
*);
3119 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3121 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3122 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3123 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3125 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3127 void gfc_simplify_iterator_var (gfc_expr
*);
3128 bool gfc_expand_constructor (gfc_expr
*, bool);
3129 int gfc_constant_ac (gfc_expr
*);
3130 int gfc_expanded_ac (gfc_expr
*);
3131 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3132 bool gfc_resolve_array_constructor (gfc_expr
*);
3133 bool gfc_check_constructor_type (gfc_expr
*);
3134 bool gfc_check_iter_variable (gfc_expr
*);
3135 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3136 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3137 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3138 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3139 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3140 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3141 bool spec_size (gfc_array_spec
*, mpz_t
*);
3142 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3143 int gfc_is_compile_time_shape (gfc_array_spec
*);
3145 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3148 /* interface.c -- FIXME: some of these should be in symbol.c */
3149 void gfc_free_interface (gfc_interface
*);
3150 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3151 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3152 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3153 char *, int, const char *, const char *);
3154 void gfc_check_interfaces (gfc_namespace
*);
3155 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3156 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3157 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3158 gfc_actual_arglist
**);
3159 match
gfc_extend_expr (gfc_expr
*);
3160 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3161 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3162 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3163 bool gfc_add_interface (gfc_symbol
*);
3164 gfc_interface
*gfc_current_interface_head (void);
3165 void gfc_set_current_interface_head (gfc_interface
*);
3166 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3167 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3168 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3169 int gfc_has_vector_subscript (gfc_expr
*);
3170 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3171 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3174 extern gfc_st_label format_asterisk
;
3176 void gfc_free_open (gfc_open
*);
3177 bool gfc_resolve_open (gfc_open
*);
3178 void gfc_free_close (gfc_close
*);
3179 bool gfc_resolve_close (gfc_close
*);
3180 void gfc_free_filepos (gfc_filepos
*);
3181 bool gfc_resolve_filepos (gfc_filepos
*);
3182 void gfc_free_inquire (gfc_inquire
*);
3183 bool gfc_resolve_inquire (gfc_inquire
*);
3184 void gfc_free_dt (gfc_dt
*);
3185 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3186 void gfc_free_wait (gfc_wait
*);
3187 bool gfc_resolve_wait (gfc_wait
*);
3190 void gfc_module_init_2 (void);
3191 void gfc_module_done_2 (void);
3192 void gfc_dump_module (const char *, int);
3193 bool gfc_check_symbol_access (gfc_symbol
*);
3194 void gfc_free_use_stmts (gfc_use_list
*);
3197 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3198 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3199 match
gfc_match_rvalue (gfc_expr
**);
3200 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3201 int gfc_check_digit (char, int);
3202 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3203 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3205 gfc_actual_arglist
**, bool);
3208 void gfc_generate_code (gfc_namespace
*);
3209 void gfc_generate_module_code (gfc_namespace
*);
3211 /* trans-intrinsic.c */
3212 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3215 typedef int (*compare_fn
) (void *, void *);
3216 void gfc_insert_bbt (void *, void *, compare_fn
);
3217 void gfc_delete_bbt (void *, void *, compare_fn
);
3219 /* dump-parse-tree.c */
3220 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3223 bool gfc_parse_file (void);
3224 void gfc_global_used (gfc_gsymbol
*, locus
*);
3225 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3228 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3229 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3230 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3233 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3234 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3235 size_t*, size_t*, size_t*);
3238 void gfc_fix_class_refs (gfc_expr
*e
);
3239 void gfc_add_component_ref (gfc_expr
*, const char *);
3240 void gfc_add_class_array_ref (gfc_expr
*);
3241 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3242 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3243 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3244 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3245 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3246 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3247 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3248 bool gfc_is_class_scalar_expr (gfc_expr
*);
3249 bool gfc_is_class_container_ref (gfc_expr
*e
);
3250 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3251 unsigned int gfc_hash_value (gfc_symbol
*);
3252 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3254 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3255 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3256 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3257 const char*, bool, locus
*);
3258 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3259 const char*, bool, locus
*);
3260 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3261 gfc_intrinsic_op
, bool,
3263 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3264 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3266 #define CLASS_DATA(sym) sym->ts.u.derived->components
3267 #define UNLIMITED_POLY(sym) \
3268 (sym != NULL && sym->ts.type == BT_CLASS \
3269 && CLASS_DATA (sym) \
3270 && CLASS_DATA (sym)->ts.u.derived \
3271 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3273 /* frontend-passes.c */
3275 void gfc_run_passes (gfc_namespace
*);
3277 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3278 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3280 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3281 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3282 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3286 void gfc_convert_mpz_to_signed (mpz_t
, int);
3288 #endif /* GCC_GFORTRAN_H */