1 /* gfortran header file
2 Copyright (C) 2000-2015 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
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
;
610 GFC_INIT_LOGICAL_OFF
= 0,
611 GFC_INIT_LOGICAL_FALSE
,
612 GFC_INIT_LOGICAL_TRUE
618 GFC_INIT_CHARACTER_OFF
= 0,
619 GFC_INIT_CHARACTER_ON
621 init_local_character
;
625 GFC_INIT_INTEGER_OFF
= 0,
639 /************************* Structures *****************************/
641 /* Used for keeping things in balanced binary trees. */
642 #define BBT_HEADER(self) int priority; struct self *left, *right
644 #define NAMED_INTCST(a,b,c,d) a,
645 #define NAMED_KINDARRAY(a,b,c,d) a,
646 #define NAMED_FUNCTION(a,b,c,d) a,
647 #define NAMED_SUBROUTINE(a,b,c,d) a,
648 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
651 ISOFORTRANENV_INVALID
= -1,
652 #include "iso-fortran-env.def"
653 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
655 iso_fortran_env_symbol
;
657 #undef NAMED_KINDARRAY
658 #undef NAMED_FUNCTION
659 #undef NAMED_SUBROUTINE
660 #undef NAMED_DERIVED_TYPE
662 #define NAMED_INTCST(a,b,c,d) a,
663 #define NAMED_REALCST(a,b,c,d) a,
664 #define NAMED_CMPXCST(a,b,c,d) a,
665 #define NAMED_LOGCST(a,b,c) a,
666 #define NAMED_CHARKNDCST(a,b,c) a,
667 #define NAMED_CHARCST(a,b,c) a,
668 #define DERIVED_TYPE(a,b,c) a,
669 #define NAMED_FUNCTION(a,b,c,d) a,
670 #define NAMED_SUBROUTINE(a,b,c,d) a,
673 ISOCBINDING_INVALID
= -1,
674 #include "iso-c-binding.def"
676 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
678 iso_c_binding_symbol
;
683 #undef NAMED_CHARKNDCST
686 #undef NAMED_FUNCTION
687 #undef NAMED_SUBROUTINE
691 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
692 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
698 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
699 int value
; /* Used for both integer and character values. */
704 /* Array of structs, where the structs represent the C interop kinds.
705 The list will be implemented based on a hash of the kind name since
706 these could be accessed multiple times.
707 Declared in trans-types.c as a global, since it's in that file
708 that the list is initialized. */
709 extern CInteropKind_t c_interop_kinds_table
[];
712 /* Structure and list of supported extension attributes. */
715 EXT_ATTR_DLLIMPORT
= 0,
720 EXT_ATTR_NO_ARG_CHECK
,
721 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
729 const char *middle_end_name
;
733 extern const ext_attr_t ext_attr_list
[];
735 /* Symbol attribute structure. */
738 /* Variable attributes. */
739 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
740 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
741 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
742 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
743 contiguous
:1, fe_temp
: 1;
745 /* For CLASS containers, the pointer attribute is sometimes set internally
746 even though it was not directly specified. In this case, keep the
747 "real" (original) value here. */
748 unsigned class_pointer
:1;
750 ENUM_BITFIELD (save_state
) save
:2;
752 unsigned data
:1, /* Symbol is named in a DATA statement. */
753 is_protected
:1, /* Symbol has been marked as protected. */
754 use_assoc
:1, /* Symbol has been use-associated. */
755 use_only
:1, /* Symbol has been use-associated, with ONLY. */
756 use_rename
:1, /* Symbol has been use-associated and renamed. */
757 imported
:1, /* Symbol has been associated by IMPORT. */
758 host_assoc
:1; /* Symbol has been host associated. */
760 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
761 unsigned function
:1, subroutine
:1, procedure
:1;
762 unsigned generic
:1, generic_copy
:1;
763 unsigned implicit_type
:1; /* Type defined via implicit rules. */
764 unsigned untyped
:1; /* No implicit type could be found. */
766 unsigned is_bind_c
:1; /* say if is bound to C. */
767 unsigned extension
:8; /* extension level of a derived type. */
768 unsigned is_class
:1; /* is a CLASS container. */
769 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
770 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
771 unsigned vtype
:1; /* is a derived type of a vtab. */
773 /* These flags are both in the typespec and attribute. The attribute
774 list is what gets read from/written to a module file. The typespec
775 is created from a decl being processed. */
776 unsigned is_c_interop
:1; /* It's c interoperable. */
777 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
779 /* Function/subroutine attributes */
780 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
781 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
783 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
784 which is relevant for private module procedures. */
785 unsigned public_used
:1;
787 /* This is set if a contained procedure could be declared pure. This is
788 used for certain optimizations that require the result or arguments
789 cannot alias. Note that this is zero for PURE procedures. */
790 unsigned implicit_pure
:1;
792 /* This is set if the subroutine doesn't return. Currently, this
793 is only possible for intrinsic subroutines. */
796 /* Set if this procedure is an alternate entry point. These procedures
797 don't have any code associated, and the backend will turn them into
798 thunks to the master function. */
801 /* Set if this is the master function for a procedure with multiple
803 unsigned entry_master
:1;
805 /* Set if this is the master function for a function with multiple
806 entry points where characteristics of the entry points differ. */
807 unsigned mixed_entry_master
:1;
809 /* Set if a function must always be referenced by an explicit interface. */
810 unsigned always_explicit
:1;
812 /* Set if the symbol is generated and, hence, standard violations
813 shouldn't be flaged. */
814 unsigned artificial
:1;
816 /* Set if the symbol has been referenced in an expression. No further
817 modification of type or type parameters is permitted. */
818 unsigned referenced
:1;
820 /* Set if this is the symbol for the main program. */
821 unsigned is_main_program
:1;
823 /* Mutually exclusive multibit attributes. */
824 ENUM_BITFIELD (gfc_access
) access
:2;
825 ENUM_BITFIELD (sym_intent
) intent
:2;
826 ENUM_BITFIELD (sym_flavor
) flavor
:4;
827 ENUM_BITFIELD (ifsrc
) if_source
:2;
829 ENUM_BITFIELD (procedure_type
) proc
:3;
831 /* Special attributes for Cray pointers, pointees. */
832 unsigned cray_pointer
:1, cray_pointee
:1;
834 /* The symbol is a derived type with allocatable components, pointer
835 components or private components, procedure pointer components,
836 possibly nested. zero_comp is true if the derived type has no
837 component at all. defined_assign_comp is true if the derived
838 type or a (sub-)component has a typebound defined assignment.
839 unlimited_polymorphic flags the type of the container for these
841 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
842 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
843 defined_assign_comp
:1, unlimited_polymorphic
:1;
845 /* This is a temporary selector for SELECT TYPE or an associate
846 variable for SELECT_TYPE or ASSOCIATE. */
847 unsigned select_type_temporary
:1, associate_var
:1;
849 /* This is omp_{out,in,priv,orig} artificial variable in
850 !$OMP DECLARE REDUCTION. */
851 unsigned omp_udr_artificial_var
:1;
853 /* Mentioned in OMP DECLARE TARGET. */
854 unsigned omp_declare_target
:1;
856 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
857 unsigned ext_attr
:EXT_ATTR_NUM
;
859 /* Is a parameter associated with a deferred type component. */
860 unsigned deferred_parameter
:1;
862 /* The namespace where the attribute has been set. */
863 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
868 /* We need to store source lines as sequences of multibyte source
869 characters. We define here a type wide enough to hold any multibyte
870 source character, just like libcpp does. A 32-bit type is enough. */
872 #if HOST_BITS_PER_INT >= 32
873 typedef unsigned int gfc_char_t
;
874 #elif HOST_BITS_PER_LONG >= 32
875 typedef unsigned long gfc_char_t
;
876 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
877 typedef unsigned long long gfc_char_t
;
879 # error "Cannot find an integer type with at least 32 bits"
883 /* The following three structures are used to identify a location in
886 gfc_file is used to maintain a tree of the source files and how
887 they include each other
889 gfc_linebuf holds a single line of source code and information
890 which file it resides in
892 locus point to the sourceline and the character in the source
896 typedef struct gfc_file
898 struct gfc_file
*next
, *up
;
899 int inclusion_line
, line
;
903 typedef struct gfc_linebuf
905 source_location location
;
906 struct gfc_file
*file
;
907 struct gfc_linebuf
*next
;
915 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
917 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
925 /* In order for the "gfc" format checking to work correctly, you must
926 have declared a typedef locus first. */
927 #if GCC_VERSION >= 4001
928 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
930 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
934 /* Suppress error messages or re-enable them. */
936 void gfc_push_suppress_errors (void);
937 void gfc_pop_suppress_errors (void);
940 /* Character length structures hold the expression that gives the
941 length of a character variable. We avoid putting these into
942 gfc_typespec because doing so prevents us from doing structure
943 copies and forces us to deallocate any typespecs we create, as well
944 as structures that contain typespecs. They also can have multiple
945 character typespecs pointing to them.
947 These structures form a singly linked list within the current
948 namespace and are deallocated with the namespace. It is possible to
949 end up with gfc_charlen structures that have nothing pointing to them. */
951 typedef struct gfc_charlen
953 struct gfc_expr
*length
;
954 struct gfc_charlen
*next
;
955 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
957 tree passed_length
; /* Length argument explicitly passed. */
963 #define gfc_get_charlen() XCNEW (gfc_charlen)
965 /* Type specification structure. */
973 struct gfc_symbol
*derived
; /* For derived types only. */
974 gfc_charlen
*cl
; /* For character types only. */
975 int pad
; /* For hollerith types only. */
979 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
987 /* Array specification. */
990 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
992 array_type type
, cotype
;
993 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
995 /* These two fields are used with the Cray Pointer extension. */
996 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
997 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
998 AS_EXPLICIT, but we want to remember that we
1004 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1007 /* Components of derived types. */
1008 typedef struct gfc_component
1013 symbol_attribute attr
;
1017 /* Used to cache a FIELD_DECL matching this same component
1018 but applied to a different backend containing type that was
1019 generated by gfc_nonrestricted_type. */
1020 tree norestrict_decl
;
1022 struct gfc_expr
*initializer
;
1023 struct gfc_component
*next
;
1025 /* Needed for procedure pointer components. */
1026 struct gfc_typebound_proc
*tb
;
1030 #define gfc_get_component() XCNEW (gfc_component)
1032 /* Formal argument lists are lists of symbols. */
1033 typedef struct gfc_formal_arglist
1035 /* Symbol representing the argument at this position in the arglist. */
1036 struct gfc_symbol
*sym
;
1037 /* Points to the next formal argument. */
1038 struct gfc_formal_arglist
*next
;
1042 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1045 /* The gfc_actual_arglist structure is for actual arguments. */
1046 typedef struct gfc_actual_arglist
1049 /* Alternate return label when the expr member is null. */
1050 struct gfc_st_label
*label
;
1052 /* This is set to the type of an eventual omitted optional
1053 argument. This is used to determine if a hidden string length
1054 argument has to be added to a function call. */
1055 bt missing_arg_type
;
1057 struct gfc_expr
*expr
;
1058 struct gfc_actual_arglist
*next
;
1062 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1065 /* Because a symbol can belong to multiple namelists, they must be
1066 linked externally to the symbol itself. */
1067 typedef struct gfc_namelist
1069 struct gfc_symbol
*sym
;
1070 struct gfc_namelist
*next
;
1074 #define gfc_get_namelist() XCNEW (gfc_namelist)
1076 /* Likewise to gfc_namelist, but contains expressions. */
1077 typedef struct gfc_expr_list
1079 struct gfc_expr
*expr
;
1080 struct gfc_expr_list
*next
;
1084 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1088 OMP_REDUCTION_NONE
= -1,
1089 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1090 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1091 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1092 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1093 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1094 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1095 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1096 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1103 gfc_omp_reduction_op
;
1119 OMP_MAP_FORCE_ALLOC
,
1120 OMP_MAP_FORCE_DEALLOC
,
1123 OMP_MAP_FORCE_TOFROM
,
1124 OMP_MAP_FORCE_PRESENT
,
1125 OMP_MAP_FORCE_DEVICEPTR
1129 /* For use in OpenMP clauses in case we need extra information
1130 (aligned clause alignment, linear clause step, etc.). */
1132 typedef struct gfc_omp_namelist
1134 struct gfc_symbol
*sym
;
1135 struct gfc_expr
*expr
;
1138 gfc_omp_reduction_op reduction_op
;
1139 gfc_omp_depend_op depend_op
;
1140 gfc_omp_map_op map_op
;
1142 struct gfc_omp_namelist_udr
*udr
;
1143 struct gfc_omp_namelist
*next
;
1147 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1152 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1153 OMP_LIST_FIRSTPRIVATE
,
1154 OMP_LIST_LASTPRIVATE
,
1155 OMP_LIST_COPYPRIVATE
,
1166 OMP_LIST_DEVICE_RESIDENT
,
1167 OMP_LIST_USE_DEVICE
,
1172 /* Because a symbol can belong to multiple namelists, they must be
1173 linked externally to the symbol itself. */
1175 enum gfc_omp_sched_kind
1185 enum gfc_omp_default_sharing
1187 OMP_DEFAULT_UNKNOWN
,
1189 OMP_DEFAULT_PRIVATE
,
1191 OMP_DEFAULT_FIRSTPRIVATE
1194 enum gfc_omp_proc_bind_kind
1196 OMP_PROC_BIND_UNKNOWN
,
1197 OMP_PROC_BIND_MASTER
,
1198 OMP_PROC_BIND_SPREAD
,
1202 enum gfc_omp_cancel_kind
1205 OMP_CANCEL_PARALLEL
,
1206 OMP_CANCEL_SECTIONS
,
1208 OMP_CANCEL_TASKGROUP
1211 typedef struct gfc_omp_clauses
1213 struct gfc_expr
*if_expr
;
1214 struct gfc_expr
*final_expr
;
1215 struct gfc_expr
*num_threads
;
1216 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1217 enum gfc_omp_sched_kind sched_kind
;
1218 struct gfc_expr
*chunk_size
;
1219 enum gfc_omp_default_sharing default_sharing
;
1221 bool nowait
, ordered
, untied
, mergeable
;
1222 bool inbranch
, notinbranch
;
1223 enum gfc_omp_cancel_kind cancel
;
1224 enum gfc_omp_proc_bind_kind proc_bind
;
1225 struct gfc_expr
*safelen_expr
;
1226 struct gfc_expr
*simdlen_expr
;
1227 struct gfc_expr
*num_teams
;
1228 struct gfc_expr
*device
;
1229 struct gfc_expr
*thread_limit
;
1230 enum gfc_omp_sched_kind dist_sched_kind
;
1231 struct gfc_expr
*dist_chunk_size
;
1234 struct gfc_expr
*async_expr
;
1235 struct gfc_expr
*gang_expr
;
1236 struct gfc_expr
*worker_expr
;
1237 struct gfc_expr
*vector_expr
;
1238 struct gfc_expr
*num_gangs_expr
;
1239 struct gfc_expr
*num_workers_expr
;
1240 struct gfc_expr
*vector_length_expr
;
1241 gfc_expr_list
*wait_list
;
1242 gfc_expr_list
*tile_list
;
1243 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1244 unsigned wait
:1, par_auto
:1, gang_static
:1;
1250 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1253 /* Node in the linked list used for storing !$omp declare simd constructs. */
1255 typedef struct gfc_omp_declare_simd
1257 struct gfc_omp_declare_simd
*next
;
1258 locus where
; /* Where the !$omp declare simd construct occurred. */
1260 gfc_symbol
*proc_name
;
1262 gfc_omp_clauses
*clauses
;
1264 gfc_omp_declare_simd
;
1265 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1267 typedef struct gfc_omp_udr
1269 struct gfc_omp_udr
*next
;
1270 locus where
; /* Where the !$omp declare reduction construct occurred. */
1274 gfc_omp_reduction_op rop
;
1276 struct gfc_symbol
*omp_out
;
1277 struct gfc_symbol
*omp_in
;
1278 struct gfc_namespace
*combiner_ns
;
1280 struct gfc_symbol
*omp_priv
;
1281 struct gfc_symbol
*omp_orig
;
1282 struct gfc_namespace
*initializer_ns
;
1285 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1287 typedef struct gfc_omp_namelist_udr
1289 struct gfc_omp_udr
*udr
;
1290 struct gfc_code
*combiner
;
1291 struct gfc_code
*initializer
;
1293 gfc_omp_namelist_udr
;
1294 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1296 /* The gfc_st_label structure is a BBT attached to a namespace that
1297 records the usage of statement labels within that space. */
1299 typedef struct gfc_st_label
1301 BBT_HEADER(gfc_st_label
);
1305 gfc_sl_type defined
, referenced
;
1307 struct gfc_expr
*format
;
1316 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1317 typedef struct gfc_interface
1319 struct gfc_symbol
*sym
;
1321 struct gfc_interface
*next
;
1325 #define gfc_get_interface() XCNEW (gfc_interface)
1327 /* User operator nodes. These are like stripped down symbols. */
1333 struct gfc_namespace
*ns
;
1339 /* A list of specific bindings that are associated with a generic spec. */
1340 typedef struct gfc_tbp_generic
1342 /* The parser sets specific_st, upon resolution we look for the corresponding
1343 gfc_typebound_proc and set specific for further use. */
1344 struct gfc_symtree
* specific_st
;
1345 struct gfc_typebound_proc
* specific
;
1347 struct gfc_tbp_generic
* next
;
1352 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1355 /* Data needed for type-bound procedures. */
1356 typedef struct gfc_typebound_proc
1358 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1362 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1363 gfc_tbp_generic
* generic
;
1368 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1370 /* The overridden type-bound proc (or GENERIC with this name in the
1371 parent-type) or NULL if non. */
1372 struct gfc_typebound_proc
* overridden
;
1374 /* Once resolved, we use the position of pass_arg in the formal arglist of
1375 the binding-target procedure to identify it. The first argument has
1376 number 1 here, the second 2, and so on. */
1377 unsigned pass_arg_num
;
1379 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1380 unsigned non_overridable
:1;
1381 unsigned deferred
:1;
1382 unsigned is_generic
:1;
1383 unsigned function
:1, subroutine
:1;
1384 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1390 /* Symbol nodes. These are important things. They are what the
1391 standard refers to as "entities". The possibly multiple names that
1392 refer to the same entity are accomplished by a binary tree of
1393 symtree structures that is balanced by the red-black method-- more
1394 than one symtree node can point to any given symbol. */
1396 typedef struct gfc_symbol
1398 const char *name
; /* Primary name, before renaming */
1399 const char *module
; /* Module this symbol came from */
1403 symbol_attribute attr
;
1405 /* The formal member points to the formal argument list if the
1406 symbol is a function or subroutine name. If the symbol is a
1407 generic name, the generic member points to the list of
1410 gfc_interface
*generic
;
1411 gfc_access component_access
;
1413 gfc_formal_arglist
*formal
;
1414 struct gfc_namespace
*formal_ns
;
1415 struct gfc_namespace
*f2k_derived
;
1417 struct gfc_expr
*value
; /* Parameter/Initializer value */
1419 struct gfc_symbol
*result
; /* function result symbol */
1420 gfc_component
*components
; /* Derived type components */
1422 /* Defined only for Cray pointees; points to their pointer. */
1423 struct gfc_symbol
*cp_pointer
;
1425 int entry_id
; /* Used in resolve.c for entries. */
1427 /* CLASS hashed name for declared and dynamic types in the class. */
1430 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1432 /* This is in fact a gfc_common_head but it is only used for pointer
1433 comparisons to check if symbols are in the same common block. */
1434 struct gfc_common_head
* common_head
;
1436 /* Make sure setup code for dummy arguments is generated in the correct
1440 gfc_namelist
*namelist
, *namelist_tail
;
1442 /* Change management fields. Symbols that might be modified by the
1443 current statement have the mark member nonzero and are kept in a
1444 singly linked list through the tlink field. Of these symbols,
1445 symbols with old_symbol equal to NULL are symbols created within
1446 the current statement. Otherwise, old_symbol points to a copy of
1449 struct gfc_symbol
*old_symbol
, *tlink
;
1450 unsigned mark
:1, gfc_new
:1;
1451 /* Nonzero if all equivalences associated with this symbol have been
1453 unsigned equiv_built
:1;
1454 /* Set if this variable is used as an index name in a FORALL. */
1455 unsigned forall_index
:1;
1456 /* Used to avoid multiple resolutions of a single symbol. */
1457 unsigned resolved
:1;
1460 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1464 /* Identity of the intrinsic module the symbol comes from, or
1465 INTMOD_NONE if it's not imported from a intrinsic module. */
1466 intmod_id from_intmod
;
1467 /* Identity of the symbol from intrinsic modules, from enums maintained
1468 separately by each intrinsic module. Used together with from_intmod,
1469 it uniquely identifies a symbol from an intrinsic module. */
1472 /* This may be repetitive, since the typespec now has a binding
1474 const char* binding_label
;
1475 /* Store a reference to the common_block, if this symbol is in one. */
1476 struct gfc_common_head
*common_block
;
1478 /* Link to corresponding association-list if this is an associate name. */
1479 struct gfc_association_list
*assoc
;
1484 struct gfc_undo_change_set
1486 vec
<gfc_symbol
*> syms
;
1487 vec
<gfc_typebound_proc
*> tbps
;
1488 gfc_undo_change_set
*previous
;
1492 /* This structure is used to keep track of symbols in common blocks. */
1493 typedef struct gfc_common_head
1496 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1497 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1498 struct gfc_symbol
*head
;
1499 const char* binding_label
;
1505 #define gfc_get_common_head() XCNEW (gfc_common_head)
1508 /* A list of all the alternate entry points for a procedure. */
1510 typedef struct gfc_entry_list
1512 /* The symbol for this entry point. */
1514 /* The zero-based id of this entry point. */
1516 /* The LABEL_EXPR marking this entry point. */
1518 /* The next item in the list. */
1519 struct gfc_entry_list
*next
;
1523 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1525 /* Lists of rename info for the USE statement. */
1527 typedef struct gfc_use_rename
1529 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1530 struct gfc_use_rename
*next
;
1532 gfc_intrinsic_op op
;
1537 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1539 /* A list of all USE statements in a namespace. */
1541 typedef struct gfc_use_list
1543 const char *module_name
;
1547 struct gfc_use_rename
*rename
;
1549 /* Next USE statement. */
1550 struct gfc_use_list
*next
;
1554 #define gfc_get_use_list() XCNEW (gfc_use_list)
1556 /* Within a namespace, symbols are pointed to by symtree nodes that
1557 are linked together in a balanced binary tree. There can be
1558 several symtrees pointing to the same symbol node via USE
1561 typedef struct gfc_symtree
1563 BBT_HEADER (gfc_symtree
);
1568 gfc_symbol
*sym
; /* Symbol associated with this node */
1570 gfc_common_head
*common
;
1571 gfc_typebound_proc
*tb
;
1572 gfc_omp_udr
*omp_udr
;
1578 /* A linked list of derived types in the namespace. */
1579 typedef struct gfc_dt_list
1581 struct gfc_symbol
*derived
;
1582 struct gfc_dt_list
*next
;
1586 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1588 /* A list of all derived types. */
1589 extern gfc_dt_list
*gfc_derived_types
;
1591 /* A namespace describes the contents of procedure, module, interface block
1592 or BLOCK construct. */
1593 /* ??? Anything else use these? */
1595 typedef struct gfc_namespace
1597 /* Tree containing all the symbols in this namespace. */
1598 gfc_symtree
*sym_root
;
1599 /* Tree containing all the user-defined operators in the namespace. */
1600 gfc_symtree
*uop_root
;
1601 /* Tree containing all the common blocks. */
1602 gfc_symtree
*common_root
;
1603 /* Tree containing all the OpenMP user defined reductions. */
1604 gfc_symtree
*omp_udr_root
;
1606 /* Tree containing type-bound procedures. */
1607 gfc_symtree
*tb_sym_root
;
1608 /* Type-bound user operators. */
1609 gfc_symtree
*tb_uop_root
;
1610 /* For derived-types, store type-bound intrinsic operators here. */
1611 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1612 /* Linked list of finalizer procedures. */
1613 struct gfc_finalizer
*finalizers
;
1615 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1616 int set_flag
[GFC_LETTERS
];
1617 /* Keeps track of the implicit types associated with the letters. */
1618 gfc_typespec default_type
[GFC_LETTERS
];
1619 /* Store the positions of IMPLICIT statements. */
1620 locus implicit_loc
[GFC_LETTERS
];
1622 /* If this is a namespace of a procedure, this points to the procedure. */
1623 struct gfc_symbol
*proc_name
;
1624 /* If this is the namespace of a unit which contains executable
1625 code, this points to it. */
1626 struct gfc_code
*code
;
1628 /* Points to the equivalences set up in this namespace. */
1629 struct gfc_equiv
*equiv
, *old_equiv
;
1631 /* Points to the equivalence groups produced by trans_common. */
1632 struct gfc_equiv_list
*equiv_lists
;
1634 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1636 /* Points to the parent namespace, i.e. the namespace of a module or
1637 procedure in which the procedure belonging to this namespace is
1638 contained. The parent namespace points to this namespace either
1639 directly via CONTAINED, or indirectly via the chain built by
1641 struct gfc_namespace
*parent
;
1642 /* CONTAINED points to the first contained namespace. Sibling
1643 namespaces are chained via SIBLING. */
1644 struct gfc_namespace
*contained
, *sibling
;
1646 gfc_common_head blank_common
;
1647 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1649 gfc_st_label
*st_labels
;
1650 /* This list holds information about all the data initializers in
1652 struct gfc_data
*data
, *old_data
;
1654 /* !$ACC DECLARE clauses. */
1655 gfc_omp_clauses
*oacc_declare_clauses
;
1657 gfc_charlen
*cl_list
, *old_cl_list
;
1659 gfc_dt_list
*derived_types
;
1661 int save_all
, seen_save
, seen_implicit_none
;
1663 /* Normally we don't need to refcount namespaces. However when we read
1664 a module containing a function with multiple entry points, this
1665 will appear as several functions with the same formal namespace. */
1668 /* A list of all alternate entry points to this procedure (or NULL). */
1669 gfc_entry_list
*entries
;
1671 /* A list of USE statements in this namespace. */
1672 gfc_use_list
*use_stmts
;
1674 /* Linked list of !$omp declare simd constructs. */
1675 struct gfc_omp_declare_simd
*omp_declare_simd
;
1677 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1678 unsigned is_block_data
:1;
1680 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1681 unsigned has_import_set
:1;
1683 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1684 unsigned has_implicit_none_export
:1;
1686 /* Set to 1 if resolved has been called for this namespace.
1687 Holds -1 during resolution. */
1690 /* Set to 1 if code has been generated for this namespace. */
1691 unsigned translated
:1;
1693 /* Set to 1 if symbols in this namespace should be 'construct entities',
1694 i.e. for BLOCK local variables. */
1695 unsigned construct_entities
:1;
1697 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1698 unsigned omp_udr_ns
:1;
1702 extern gfc_namespace
*gfc_current_ns
;
1703 extern gfc_namespace
*gfc_global_ns_list
;
1705 /* Global symbols are symbols of global scope. Currently we only use
1706 this to detect collisions already when parsing.
1707 TODO: Extend to verify procedure calls. */
1709 enum gfc_symbol_type
1711 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1712 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1715 typedef struct gfc_gsymbol
1717 BBT_HEADER(gfc_gsymbol
);
1720 const char *sym_name
;
1721 const char *mod_name
;
1722 const char *binding_label
;
1723 enum gfc_symbol_type type
;
1731 extern gfc_gsymbol
*gfc_gsym_root
;
1733 /* Information on interfaces being built. */
1736 interface_type type
;
1740 gfc_intrinsic_op op
;
1744 extern gfc_interface_info current_interface
;
1747 /* Array reference. */
1749 enum gfc_array_ref_dimen_type
1751 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1754 typedef struct gfc_array_ref
1757 int dimen
; /* # of components in the reference */
1759 bool in_allocate
; /* For coarray checks. */
1763 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1764 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1765 *stride
[GFC_MAX_DIMENSIONS
];
1767 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1771 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1774 /* Component reference nodes. A variable is stored as an expression
1775 node that points to the base symbol. After that, a singly linked
1776 list of component reference nodes gives the variable's complete
1777 resolution. The array_ref component may be present and comes
1778 before the component component. */
1781 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1784 typedef struct gfc_ref
1790 struct gfc_array_ref ar
;
1794 gfc_component
*component
;
1801 struct gfc_expr
*start
, *end
; /* Substring */
1802 gfc_charlen
*length
;
1809 struct gfc_ref
*next
;
1813 #define gfc_get_ref() XCNEW (gfc_ref)
1816 /* Structures representing intrinsic symbols and their arguments lists. */
1817 typedef struct gfc_intrinsic_arg
1819 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1822 unsigned optional
:1, value
:1;
1823 ENUM_BITFIELD (sym_intent
) intent
:2;
1824 gfc_actual_arglist
*actual
;
1826 struct gfc_intrinsic_arg
*next
;
1832 /* Specifies the various kinds of check functions used to verify the
1833 argument lists of intrinsic functions. fX with X an integer refer
1834 to check functions of intrinsics with X arguments. f1m is used for
1835 the MAX and MIN intrinsics which can have an arbitrary number of
1836 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1837 these have special semantics. */
1842 bool (*f1
)(struct gfc_expr
*);
1843 bool (*f1m
)(gfc_actual_arglist
*);
1844 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1845 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1846 bool (*f3ml
)(gfc_actual_arglist
*);
1847 bool (*f3red
)(gfc_actual_arglist
*);
1848 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1850 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1851 struct gfc_expr
*, struct gfc_expr
*);
1855 /* Like gfc_check_f, these specify the type of the simplification
1856 function associated with an intrinsic. The fX are just like in
1857 gfc_check_f. cc is used for type conversion functions. */
1861 struct gfc_expr
*(*f0
)(void);
1862 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1863 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1864 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1866 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1867 struct gfc_expr
*, struct gfc_expr
*);
1868 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1869 struct gfc_expr
*, struct gfc_expr
*,
1871 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1875 /* Again like gfc_check_f, these specify the type of the resolution
1876 function associated with an intrinsic. The fX are just like in
1877 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1881 void (*f0
)(struct gfc_expr
*);
1882 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1883 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1884 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1885 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1887 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1888 struct gfc_expr
*, struct gfc_expr
*);
1889 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1890 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1891 void (*s1
)(struct gfc_code
*);
1896 typedef struct gfc_intrinsic_sym
1898 const char *name
, *lib_name
;
1899 gfc_intrinsic_arg
*formal
;
1901 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1902 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1907 gfc_simplify_f simplify
;
1909 gfc_resolve_f resolve
;
1910 struct gfc_intrinsic_sym
*specific_head
, *next
;
1917 /* Expression nodes. The expression node types deserve explanations,
1918 since the last couple can be easily misconstrued:
1920 EXPR_OP Operator node pointing to one or two other nodes
1921 EXPR_FUNCTION Function call, symbol points to function's name
1922 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1923 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1924 which expresses structure, array and substring refs.
1925 EXPR_NULL The NULL pointer value (which also has a basic type).
1926 EXPR_SUBSTRING A substring of a constant string
1927 EXPR_STRUCTURE A structure constructor
1928 EXPR_ARRAY An array constructor.
1929 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1930 component or type-bound procedure. */
1934 #define GFC_RND_MODE GMP_RNDN
1935 #define GFC_MPC_RND_MODE MPC_RNDNN
1937 typedef splay_tree gfc_constructor_base
;
1939 typedef struct gfc_expr
1943 gfc_typespec ts
; /* These two refer to the overall expression */
1945 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1946 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1948 /* Nonnull for functions and structure constructors, may also used to hold the
1949 base-object for component calls. */
1950 gfc_symtree
*symtree
;
1956 /* Used to store the base expression in component calls, when the expression
1957 is not a variable. */
1958 struct gfc_expr
*base_expr
;
1960 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1961 denotes a signalling not-a-number. */
1962 unsigned int is_boz
: 1, is_snan
: 1;
1964 /* Sometimes, when an error has been emitted, it is necessary to prevent
1965 it from recurring. */
1966 unsigned int error
: 1;
1968 /* Mark an expression where a user operator has been substituted by
1969 a function call in interface.c(gfc_extend_expr). */
1970 unsigned int user_operator
: 1;
1972 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1973 unsigned int mold
: 1;
1975 /* If an expression comes from a Hollerith constant or compile-time
1976 evaluation of a transfer statement, it may have a prescribed target-
1977 memory representation, and these cannot always be backformed from
2000 gfc_intrinsic_op op
;
2002 struct gfc_expr
*op1
, *op2
;
2008 gfc_actual_arglist
*actual
;
2009 const char *name
; /* Points to the ultimate name of the function */
2010 gfc_intrinsic_sym
*isym
;
2017 gfc_actual_arglist
* actual
;
2019 /* Base-object, whose component was called. NULL means that it should
2020 be taken from symtree/ref. */
2021 struct gfc_expr
* base_object
;
2022 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2024 /* For type-bound operators, we want to call PASS procedures but already
2025 have the full arglist; mark this, so that it is not extended by the
2027 unsigned ignore_pass
:1;
2029 /* Do assign-calls rather than calls, that is appropriate dependency
2042 gfc_constructor_base constructor
;
2050 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2052 /* Structures for information associated with different kinds of
2053 numbers. The first set of integer parameters define all there is
2054 to know about a particular kind. The rest of the elements are
2055 computed from the first elements. */
2059 /* Values really representable by the target. */
2060 mpz_t huge
, pedantic_min_int
, min_int
;
2062 int kind
, radix
, digits
, bit_size
, range
;
2064 /* True if the C type of the given name maps to this precision.
2065 Note that more than one bit can be set. */
2066 unsigned int c_char
: 1;
2067 unsigned int c_short
: 1;
2068 unsigned int c_int
: 1;
2069 unsigned int c_long
: 1;
2070 unsigned int c_long_long
: 1;
2074 extern gfc_integer_info gfc_integer_kinds
[];
2081 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2082 unsigned int c_bool
: 1;
2086 extern gfc_logical_info gfc_logical_kinds
[];
2091 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2092 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2093 int range
, precision
;
2095 /* The precision of the type as reported by GET_MODE_PRECISION. */
2098 /* True if the C type of the given name maps to this precision.
2099 Note that more than one bit can be set. */
2100 unsigned int c_float
: 1;
2101 unsigned int c_double
: 1;
2102 unsigned int c_long_double
: 1;
2103 unsigned int c_float128
: 1;
2107 extern gfc_real_info gfc_real_kinds
[];
2116 extern gfc_character_info gfc_character_kinds
[];
2119 /* Equivalence structures. Equivalent lvalues are linked along the
2120 *eq pointer, equivalence sets are strung along the *next node. */
2121 typedef struct gfc_equiv
2123 struct gfc_equiv
*next
, *eq
;
2130 #define gfc_get_equiv() XCNEW (gfc_equiv)
2132 /* Holds a single equivalence member after processing. */
2133 typedef struct gfc_equiv_info
2136 HOST_WIDE_INT offset
;
2137 HOST_WIDE_INT length
;
2138 struct gfc_equiv_info
*next
;
2141 /* Holds equivalence groups, after they have been processed. */
2142 typedef struct gfc_equiv_list
2144 gfc_equiv_info
*equiv
;
2145 struct gfc_equiv_list
*next
;
2148 /* gfc_case stores the selector list of a case statement. The *low
2149 and *high pointers can point to the same expression in the case of
2150 a single value. If *high is NULL, the selection is from *low
2151 upwards, if *low is NULL the selection is *high downwards.
2153 This structure has separate fields to allow single and double linked
2154 lists of CASEs at the same time. The singe linked list along the NEXT
2155 field is a list of cases for a single CASE label. The double linked
2156 list along the LEFT/RIGHT fields is used to detect overlap and to
2157 build a table of the cases for SELECT constructs with a CHARACTER
2160 typedef struct gfc_case
2162 /* Where we saw this case. */
2166 /* Case range values. If (low == high), it's a single value. If one of
2167 the labels is NULL, it's an unbounded case. If both are NULL, this
2168 represents the default case. */
2169 gfc_expr
*low
, *high
;
2171 /* Only used for SELECT TYPE. */
2174 /* Next case label in the list of cases for a single CASE label. */
2175 struct gfc_case
*next
;
2177 /* Used for detecting overlap, and for code generation. */
2178 struct gfc_case
*left
, *right
;
2180 /* True if this case label can never be matched. */
2185 #define gfc_get_case() XCNEW (gfc_case)
2190 gfc_expr
*var
, *start
, *end
, *step
;
2194 #define gfc_get_iterator() XCNEW (gfc_iterator)
2197 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2199 typedef struct gfc_alloc
2202 struct gfc_alloc
*next
;
2206 #define gfc_get_alloc() XCNEW (gfc_alloc)
2211 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2212 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2213 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2221 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2229 gfc_expr
*unit
, *iostat
, *iomsg
;
2237 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2238 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2239 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2240 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2241 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2252 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2253 gfc_st_label
*err
, *end
, *eor
;
2260 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2261 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2262 *sign
, *extra_comma
, *dt_io_kind
;
2264 gfc_symbol
*namelist
;
2265 /* A format_label of `format_asterisk' indicates the "*" format */
2266 gfc_st_label
*format_label
;
2267 gfc_st_label
*err
, *end
, *eor
;
2269 locus eor_where
, end_where
, err_where
;
2274 typedef struct gfc_forall_iterator
2276 gfc_expr
*var
, *start
, *end
, *stride
;
2277 struct gfc_forall_iterator
*next
;
2279 gfc_forall_iterator
;
2282 /* Linked list to store associations in an ASSOCIATE statement. */
2284 typedef struct gfc_association_list
2286 struct gfc_association_list
*next
;
2288 /* Whether this is association to a variable that can be changed; otherwise,
2289 it's association to an expression and the name may not be used as
2291 unsigned variable
:1;
2293 /* True if this struct is currently only linked to from a gfc_symbol rather
2294 than as part of a real list in gfc_code->ext.block.assoc. This may
2295 happen for SELECT TYPE temporaries and must be considered
2296 for memory handling. */
2297 unsigned dangling
:1;
2299 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2300 gfc_symtree
*st
; /* Symtree corresponding to name. */
2305 gfc_association_list
;
2306 #define gfc_get_association_list() XCNEW (gfc_association_list)
2309 /* Executable statements that fill gfc_code structures. */
2312 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2313 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2314 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2315 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2316 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2317 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2318 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2319 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2320 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2321 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2322 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2323 EXEC_LOCK
, EXEC_UNLOCK
,
2324 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2325 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2326 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2327 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2328 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2329 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2330 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2331 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2332 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2333 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2334 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2335 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2336 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2337 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2338 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2339 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2340 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2341 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2342 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2343 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2344 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2345 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2346 EXEC_OMP_TARGET_UPDATE
2352 GFC_OMP_ATOMIC_UPDATE
= 0,
2353 GFC_OMP_ATOMIC_READ
= 1,
2354 GFC_OMP_ATOMIC_WRITE
= 2,
2355 GFC_OMP_ATOMIC_CAPTURE
= 3,
2356 GFC_OMP_ATOMIC_MASK
= 3,
2357 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2358 GFC_OMP_ATOMIC_SWAP
= 8
2362 typedef struct gfc_code
2366 struct gfc_code
*block
, *next
;
2369 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2370 gfc_symtree
*symtree
;
2371 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2372 /* A name isn't sufficient to identify a subroutine, we need the actual
2373 symbol for the interface definition.
2374 const char *sub_name; */
2375 gfc_symbol
*resolved_sym
;
2376 gfc_intrinsic_sym
*resolved_isym
;
2380 gfc_actual_arglist
*actual
;
2381 gfc_iterator
*iterator
;
2393 gfc_association_list
*assoc
;
2394 gfc_case
*case_list
;
2400 gfc_filepos
*filepos
;
2401 gfc_inquire
*inquire
;
2404 gfc_forall_iterator
*forall_iterator
;
2405 struct gfc_code
*which_construct
;
2407 gfc_entry_list
*entry
;
2408 gfc_omp_clauses
*omp_clauses
;
2409 const char *omp_name
;
2410 gfc_omp_namelist
*omp_namelist
;
2412 gfc_omp_atomic_op omp_atomic
;
2414 ext
; /* Points to additional structures required by statement */
2416 /* Cycle and break labels in constructs. */
2423 /* Storage for DATA statements. */
2424 typedef struct gfc_data_variable
2428 struct gfc_data_variable
*list
, *next
;
2433 typedef struct gfc_data_value
2437 struct gfc_data_value
*next
;
2442 typedef struct gfc_data
2444 gfc_data_variable
*var
;
2445 gfc_data_value
*value
;
2448 struct gfc_data
*next
;
2453 /* Structure for holding compile options */
2457 gfc_source_form source_form
;
2458 int max_continue_fixed
;
2459 int max_continue_free
;
2460 int max_identifier_length
;
2464 int flag_preprocessed
;
2466 int flag_init_integer
;
2467 int flag_init_integer_value
;
2468 int flag_init_logical
;
2469 int flag_init_character
;
2470 char flag_init_character_value
;
2481 extern gfc_option_t gfc_option
;
2483 /* Constructor nodes for array and structure constructors. */
2484 typedef struct gfc_constructor
2486 gfc_constructor_base base
;
2487 mpz_t offset
; /* Offset within a constructor, used as
2491 gfc_iterator
*iterator
;
2496 gfc_component
*component
; /* Record the component being initialized. */
2499 mpz_t repeat
; /* Record the repeat number of initial values in data
2500 statement like "data a/5*10/". */
2505 typedef struct iterator_stack
2507 gfc_symtree
*variable
;
2509 struct iterator_stack
*prev
;
2512 extern iterator_stack
*iter_stack
;
2515 /* Used for (possibly nested) SELECT TYPE statements. */
2516 typedef struct gfc_select_type_stack
2518 gfc_symbol
*selector
; /* Current selector variable. */
2519 gfc_symtree
*tmp
; /* Current temporary variable. */
2520 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2522 gfc_select_type_stack
;
2523 extern gfc_select_type_stack
*select_type_stack
;
2524 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2527 /* Node in the linked list used for storing finalizer procedures. */
2529 typedef struct gfc_finalizer
2531 struct gfc_finalizer
* next
;
2532 locus where
; /* Where the FINAL declaration occurred. */
2534 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2535 symtree and later need only that. This way, we can access and call the
2536 finalizers from every context as they should be "always accessible". I
2537 don't make this a union because we need the information whether proc_sym is
2538 still referenced or not for dereferencing it on deleting a gfc_finalizer
2540 gfc_symbol
* proc_sym
;
2541 gfc_symtree
* proc_tree
;
2544 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2547 /************************ Function prototypes *************************/
2550 bool gfc_in_match_data (void);
2551 match
gfc_match_char_spec (gfc_typespec
*);
2554 void gfc_scanner_done_1 (void);
2555 void gfc_scanner_init_1 (void);
2557 void gfc_add_include_path (const char *, bool, bool, bool);
2558 void gfc_add_intrinsic_modules_path (const char *);
2559 void gfc_release_include_path (void);
2560 FILE *gfc_open_included_file (const char *, bool, bool);
2562 int gfc_at_end (void);
2563 int gfc_at_eof (void);
2564 int gfc_at_bol (void);
2565 int gfc_at_eol (void);
2566 void gfc_advance_line (void);
2567 int gfc_check_include (void);
2568 int gfc_define_undef_line (void);
2570 int gfc_wide_is_printable (gfc_char_t
);
2571 int gfc_wide_is_digit (gfc_char_t
);
2572 int gfc_wide_fits_in_byte (gfc_char_t
);
2573 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2574 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2575 size_t gfc_wide_strlen (const gfc_char_t
*);
2576 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2577 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2578 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2579 gfc_char_t
*gfc_char_to_widechar (const char *);
2581 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2583 void gfc_skip_comments (void);
2584 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2585 gfc_char_t
gfc_next_char (void);
2586 char gfc_next_ascii_char (void);
2587 gfc_char_t
gfc_peek_char (void);
2588 char gfc_peek_ascii_char (void);
2589 void gfc_error_recovery (void);
2590 void gfc_gobble_whitespace (void);
2591 bool gfc_new_file (void);
2592 const char * gfc_read_orig_filename (const char *, const char **);
2594 extern gfc_source_form gfc_current_form
;
2595 extern const char *gfc_source_file
;
2596 extern locus gfc_current_locus
;
2598 void gfc_start_source_files (void);
2599 void gfc_end_source_files (void);
2602 void gfc_clear_ts (gfc_typespec
*);
2603 FILE *gfc_open_file (const char *);
2604 const char *gfc_basic_typename (bt
);
2605 const char *gfc_typename (gfc_typespec
*);
2606 const char *gfc_op2string (gfc_intrinsic_op
);
2607 const char *gfc_code2string (const mstring
*, int);
2608 int gfc_string2code (const mstring
*, const char *);
2609 const char *gfc_intent_string (sym_intent
);
2611 void gfc_init_1 (void);
2612 void gfc_init_2 (void);
2613 void gfc_done_1 (void);
2614 void gfc_done_2 (void);
2616 int get_c_kind (const char *, CInteropKind_t
*);
2619 unsigned int gfc_option_lang_mask (void);
2620 void gfc_init_options_struct (struct gcc_options
*);
2621 void gfc_init_options (unsigned int,
2622 struct cl_decoded_option
*);
2623 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2624 const struct cl_option_handlers
*);
2625 bool gfc_post_options (const char **);
2626 char *gfc_get_option_string (void);
2629 void gfc_maybe_initialize_eh (void);
2632 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2633 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2637 typedef struct gfc_error_buf
2640 size_t allocated
, index
;
2644 void gfc_error_init_1 (void);
2645 void gfc_diagnostics_init (void);
2646 void gfc_diagnostics_finish (void);
2647 void gfc_buffer_error (bool);
2649 const char *gfc_print_wide_char (gfc_char_t
);
2651 void gfc_warning_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2652 bool gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2653 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2654 void gfc_warning_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2655 bool gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2656 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2658 void gfc_clear_warning (void);
2659 void gfc_warning_check (void);
2661 void gfc_error_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2662 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2663 void gfc_error_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2664 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2665 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2666 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2667 void gfc_clear_error (void);
2668 bool gfc_error_check (void);
2669 bool gfc_error_flag_test (void);
2671 notification
gfc_notification_std (int);
2672 bool gfc_notify_std_1 (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2673 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2675 /* A general purpose syntax error. */
2676 #define gfc_syntax_error(ST) \
2677 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2679 #include "pretty-print.h" /* For output_buffer. */
2680 void gfc_push_error (output_buffer
*, gfc_error_buf
*);
2681 void gfc_pop_error (output_buffer
*, gfc_error_buf
*);
2682 void gfc_free_error (output_buffer
*, gfc_error_buf
*);
2684 void gfc_get_errors (int *, int *);
2685 void gfc_errors_to_warnings (bool);
2688 void gfc_arith_init_1 (void);
2689 void gfc_arith_done_1 (void);
2690 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2691 bool gfc_check_character_range (gfc_char_t
, int);
2694 bool gfc_check_any_c_kind (gfc_typespec
*);
2695 int gfc_validate_kind (bt
, int, bool);
2696 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2697 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2698 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2699 extern int gfc_index_integer_kind
;
2700 extern int gfc_default_integer_kind
;
2701 extern int gfc_max_integer_kind
;
2702 extern int gfc_default_real_kind
;
2703 extern int gfc_default_double_kind
;
2704 extern int gfc_default_character_kind
;
2705 extern int gfc_default_logical_kind
;
2706 extern int gfc_default_complex_kind
;
2707 extern int gfc_c_int_kind
;
2708 extern int gfc_atomic_int_kind
;
2709 extern int gfc_atomic_logical_kind
;
2710 extern int gfc_intio_kind
;
2711 extern int gfc_charlen_int_kind
;
2712 extern int gfc_numeric_storage_size
;
2713 extern int gfc_character_storage_size
;
2716 void gfc_clear_new_implicit (void);
2717 bool gfc_add_new_implicit_range (int, int);
2718 bool gfc_merge_new_implicit (gfc_typespec
*);
2719 void gfc_set_implicit_none (bool, bool, locus
*);
2720 void gfc_check_function_type (gfc_namespace
*);
2721 bool gfc_is_intrinsic_typename (const char *);
2723 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2724 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2726 void gfc_set_sym_referenced (gfc_symbol
*);
2728 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2729 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2730 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2731 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2732 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2733 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2734 bool gfc_add_external (symbol_attribute
*, locus
*);
2735 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2736 bool gfc_add_optional (symbol_attribute
*, locus
*);
2737 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2738 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2739 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2740 match
gfc_mod_pointee_as (gfc_array_spec
*);
2741 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2742 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2743 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2744 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2745 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2746 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2747 bool gfc_add_target (symbol_attribute
*, locus
*);
2748 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2749 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2750 bool gfc_add_common (symbol_attribute
*, locus
*);
2751 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2752 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2753 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2754 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2755 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2756 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2757 bool gfc_add_pure (symbol_attribute
*, locus
*);
2758 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2759 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2760 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2761 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2762 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2763 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2764 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2766 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2767 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2768 bool gfc_add_extension (symbol_attribute
*, locus
*);
2769 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2770 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2771 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2772 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2773 const char *, locus
*);
2774 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2775 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2776 gfc_formal_arglist
*, locus
*);
2777 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2779 void gfc_clear_attr (symbol_attribute
*);
2780 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2781 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2783 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2784 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2785 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2786 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2788 gfc_st_label
*gfc_get_st_label (int);
2789 void gfc_free_st_label (gfc_st_label
*);
2790 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2791 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2793 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2794 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2795 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2796 void gfc_delete_symtree (gfc_symtree
**, const char *);
2797 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2798 gfc_user_op
*gfc_get_uop (const char *);
2799 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2800 void gfc_free_symbol (gfc_symbol
*);
2801 void gfc_release_symbol (gfc_symbol
*);
2802 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2803 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2804 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2805 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2806 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2807 bool gfc_verify_c_interop (gfc_typespec
*);
2808 bool gfc_verify_c_interop_param (gfc_symbol
*);
2809 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2810 bool verify_bind_c_derived_type (gfc_symbol
*);
2811 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2812 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2813 const char *, gfc_symtree
*, bool);
2814 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2815 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2816 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2818 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2819 void gfc_drop_last_undo_checkpoint (void);
2820 void gfc_restore_last_undo_checkpoint (void);
2821 void gfc_undo_symbols (void);
2822 void gfc_commit_symbols (void);
2823 void gfc_commit_symbol (gfc_symbol
*);
2824 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2825 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2826 void gfc_free_namespace (gfc_namespace
*);
2828 void gfc_symbol_init_2 (void);
2829 void gfc_symbol_done_2 (void);
2831 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2832 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2833 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2834 void gfc_save_all (gfc_namespace
*);
2836 void gfc_enforce_clean_symbol_state (void);
2837 void gfc_free_dt_list (void);
2840 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2841 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2843 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2844 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2845 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2846 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2847 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2849 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2850 gfc_actual_arglist
*);
2852 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2854 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2855 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2857 bool gfc_is_associate_pointer (gfc_symbol
*);
2858 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2859 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2861 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2862 extern bool gfc_init_expr_flag
;
2864 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2866 /* Given a symbol that we have decided is intrinsic, mark it as such
2867 by placing it into a special module that is otherwise impossible to
2870 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2872 void gfc_intrinsic_init_1 (void);
2873 void gfc_intrinsic_done_1 (void);
2875 char gfc_type_letter (bt
);
2876 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2877 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2878 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2879 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2880 int gfc_generic_intrinsic (const char *);
2881 int gfc_specific_intrinsic (const char *);
2882 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2883 int gfc_intrinsic_actual_ok (const char *, const bool);
2884 gfc_intrinsic_sym
*gfc_find_function (const char *);
2885 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2886 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2887 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2888 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2889 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2892 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2893 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2895 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2896 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2899 /* match.c -- FIXME */
2900 void gfc_free_iterator (gfc_iterator
*, int);
2901 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2902 void gfc_free_alloc_list (gfc_alloc
*);
2903 void gfc_free_namelist (gfc_namelist
*);
2904 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2905 void gfc_free_equiv (gfc_equiv
*);
2906 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2907 void gfc_free_data (gfc_data
*);
2908 void gfc_reject_data (gfc_namespace
*);
2909 void gfc_free_case_list (gfc_case
*);
2911 /* matchexp.c -- FIXME too? */
2912 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2915 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2916 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2917 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2918 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2919 void gfc_free_omp_udr (gfc_omp_udr
*);
2920 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2921 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2922 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2923 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2924 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2925 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2926 void gfc_resolve_omp_udrs (gfc_symtree
*);
2927 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2928 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2929 void gfc_free_expr_list (gfc_expr_list
*);
2930 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
2931 void gfc_resolve_oacc_declare (gfc_namespace
*);
2932 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
2933 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
2936 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2937 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2938 const char *gfc_extract_int (gfc_expr
*, int *);
2939 bool is_subref_array (gfc_expr
*);
2940 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2941 bool gfc_check_init_expr (gfc_expr
*);
2943 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2944 void gfc_free_ref_list (gfc_ref
*);
2945 void gfc_type_convert_binary (gfc_expr
*, int);
2946 int gfc_is_constant_expr (gfc_expr
*);
2947 bool gfc_simplify_expr (gfc_expr
*, int);
2948 int gfc_has_vector_index (gfc_expr
*);
2950 gfc_expr
*gfc_get_expr (void);
2951 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2952 gfc_expr
*gfc_get_null_expr (locus
*);
2953 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2954 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2955 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2956 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2957 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2958 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2959 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2961 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2962 void gfc_free_shape (mpz_t
**shape
, int rank
);
2963 void gfc_free_expr (gfc_expr
*);
2964 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2965 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2966 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2967 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2968 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2970 bool gfc_specification_expr (gfc_expr
*);
2972 int gfc_numeric_ts (gfc_typespec
*);
2973 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2975 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2976 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2977 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2978 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2980 bool gfc_has_default_initializer (gfc_symbol
*);
2981 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2982 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2983 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2984 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2986 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2988 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2989 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2991 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2992 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2994 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2995 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2997 bool gfc_ref_this_image (gfc_ref
*ref
);
2998 bool gfc_is_coindexed (gfc_expr
*);
2999 bool gfc_is_coarray (gfc_expr
*);
3000 int gfc_get_corank (gfc_expr
*);
3001 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3002 bool gfc_has_ultimate_pointer (gfc_expr
*);
3004 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3005 locus
, unsigned, ...);
3006 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3010 extern gfc_code new_st
;
3012 void gfc_clear_new_st (void);
3013 gfc_code
*gfc_get_code (gfc_exec_op
);
3014 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3015 void gfc_free_statement (gfc_code
*);
3016 void gfc_free_statements (gfc_code
*);
3017 void gfc_free_association_list (gfc_association_list
*);
3020 bool gfc_resolve_expr (gfc_expr
*);
3021 void gfc_resolve (gfc_namespace
*);
3022 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3023 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3024 int gfc_impure_variable (gfc_symbol
*);
3025 int gfc_pure (gfc_symbol
*);
3026 int gfc_implicit_pure (gfc_symbol
*);
3027 void gfc_unset_implicit_pure (gfc_symbol
*);
3028 int gfc_elemental (gfc_symbol
*);
3029 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3030 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3031 bool gfc_resolve_index (gfc_expr
*, int);
3032 bool gfc_resolve_dim_arg (gfc_expr
*);
3033 int gfc_is_formal_arg (void);
3034 void gfc_resolve_substring_charlen (gfc_expr
*);
3035 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3036 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3037 bool gfc_type_is_extensible (gfc_symbol
*);
3038 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3039 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3040 extern int gfc_do_concurrent_flag
;
3044 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3046 void gfc_free_array_spec (gfc_array_spec
*);
3047 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3049 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3050 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3051 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3053 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3055 void gfc_simplify_iterator_var (gfc_expr
*);
3056 bool gfc_expand_constructor (gfc_expr
*, bool);
3057 int gfc_constant_ac (gfc_expr
*);
3058 int gfc_expanded_ac (gfc_expr
*);
3059 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3060 bool gfc_resolve_array_constructor (gfc_expr
*);
3061 bool gfc_check_constructor_type (gfc_expr
*);
3062 bool gfc_check_iter_variable (gfc_expr
*);
3063 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3064 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3065 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3066 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3067 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3068 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3069 bool spec_size (gfc_array_spec
*, mpz_t
*);
3070 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3071 int gfc_is_compile_time_shape (gfc_array_spec
*);
3073 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3076 /* interface.c -- FIXME: some of these should be in symbol.c */
3077 void gfc_free_interface (gfc_interface
*);
3078 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3079 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3080 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3081 char *, int, const char *, const char *);
3082 void gfc_check_interfaces (gfc_namespace
*);
3083 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3084 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3085 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3086 gfc_actual_arglist
**);
3087 match
gfc_extend_expr (gfc_expr
*);
3088 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3089 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3090 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3091 bool gfc_add_interface (gfc_symbol
*);
3092 gfc_interface
*gfc_current_interface_head (void);
3093 void gfc_set_current_interface_head (gfc_interface
*);
3094 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3095 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3096 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3097 int gfc_has_vector_subscript (gfc_expr
*);
3098 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3099 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3102 extern gfc_st_label format_asterisk
;
3104 void gfc_free_open (gfc_open
*);
3105 bool gfc_resolve_open (gfc_open
*);
3106 void gfc_free_close (gfc_close
*);
3107 bool gfc_resolve_close (gfc_close
*);
3108 void gfc_free_filepos (gfc_filepos
*);
3109 bool gfc_resolve_filepos (gfc_filepos
*);
3110 void gfc_free_inquire (gfc_inquire
*);
3111 bool gfc_resolve_inquire (gfc_inquire
*);
3112 void gfc_free_dt (gfc_dt
*);
3113 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3114 void gfc_free_wait (gfc_wait
*);
3115 bool gfc_resolve_wait (gfc_wait
*);
3118 void gfc_module_init_2 (void);
3119 void gfc_module_done_2 (void);
3120 void gfc_dump_module (const char *, int);
3121 bool gfc_check_symbol_access (gfc_symbol
*);
3122 void gfc_free_use_stmts (gfc_use_list
*);
3125 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3126 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3127 match
gfc_match_rvalue (gfc_expr
**);
3128 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3129 int gfc_check_digit (char, int);
3130 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3131 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3133 gfc_actual_arglist
**, bool);
3136 void gfc_generate_code (gfc_namespace
*);
3137 void gfc_generate_module_code (gfc_namespace
*);
3139 /* trans-intrinsic.c */
3140 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3143 typedef int (*compare_fn
) (void *, void *);
3144 void gfc_insert_bbt (void *, void *, compare_fn
);
3145 void gfc_delete_bbt (void *, void *, compare_fn
);
3147 /* dump-parse-tree.c */
3148 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3151 bool gfc_parse_file (void);
3152 void gfc_global_used (gfc_gsymbol
*, locus
*);
3153 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3156 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3157 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3158 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3161 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3162 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3163 size_t*, size_t*, size_t*);
3166 void gfc_fix_class_refs (gfc_expr
*e
);
3167 void gfc_add_component_ref (gfc_expr
*, const char *);
3168 void gfc_add_class_array_ref (gfc_expr
*);
3169 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3170 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3171 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3172 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3173 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3174 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3175 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3176 bool gfc_is_class_scalar_expr (gfc_expr
*);
3177 bool gfc_is_class_container_ref (gfc_expr
*e
);
3178 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3179 unsigned int gfc_hash_value (gfc_symbol
*);
3180 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3182 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3183 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3184 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3185 const char*, bool, locus
*);
3186 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3187 const char*, bool, locus
*);
3188 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3189 gfc_intrinsic_op
, bool,
3191 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3192 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3194 #define CLASS_DATA(sym) sym->ts.u.derived->components
3195 #define UNLIMITED_POLY(sym) \
3196 (sym != NULL && sym->ts.type == BT_CLASS \
3197 && CLASS_DATA (sym) \
3198 && CLASS_DATA (sym)->ts.u.derived \
3199 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3201 /* frontend-passes.c */
3203 void gfc_run_passes (gfc_namespace
*);
3205 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3206 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3208 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3209 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3210 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3214 void gfc_convert_mpz_to_signed (mpz_t
, int);
3216 #endif /* GCC_GFORTRAN_H */