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 /* The namespace where the attribute has been set. */
860 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
865 /* We need to store source lines as sequences of multibyte source
866 characters. We define here a type wide enough to hold any multibyte
867 source character, just like libcpp does. A 32-bit type is enough. */
869 #if HOST_BITS_PER_INT >= 32
870 typedef unsigned int gfc_char_t
;
871 #elif HOST_BITS_PER_LONG >= 32
872 typedef unsigned long gfc_char_t
;
873 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
874 typedef unsigned long long gfc_char_t
;
876 # error "Cannot find an integer type with at least 32 bits"
880 /* The following three structures are used to identify a location in
883 gfc_file is used to maintain a tree of the source files and how
884 they include each other
886 gfc_linebuf holds a single line of source code and information
887 which file it resides in
889 locus point to the sourceline and the character in the source
893 typedef struct gfc_file
895 struct gfc_file
*next
, *up
;
896 int inclusion_line
, line
;
900 typedef struct gfc_linebuf
902 source_location location
;
903 struct gfc_file
*file
;
904 struct gfc_linebuf
*next
;
912 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
914 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
922 /* In order for the "gfc" format checking to work correctly, you must
923 have declared a typedef locus first. */
924 #if GCC_VERSION >= 4001
925 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
927 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
931 /* Suppress error messages or re-enable them. */
933 void gfc_push_suppress_errors (void);
934 void gfc_pop_suppress_errors (void);
937 /* Character length structures hold the expression that gives the
938 length of a character variable. We avoid putting these into
939 gfc_typespec because doing so prevents us from doing structure
940 copies and forces us to deallocate any typespecs we create, as well
941 as structures that contain typespecs. They also can have multiple
942 character typespecs pointing to them.
944 These structures form a singly linked list within the current
945 namespace and are deallocated with the namespace. It is possible to
946 end up with gfc_charlen structures that have nothing pointing to them. */
948 typedef struct gfc_charlen
950 struct gfc_expr
*length
;
951 struct gfc_charlen
*next
;
952 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
954 tree passed_length
; /* Length argument explicitly passed. */
960 #define gfc_get_charlen() XCNEW (gfc_charlen)
962 /* Type specification structure. */
970 struct gfc_symbol
*derived
; /* For derived types only. */
971 gfc_charlen
*cl
; /* For character types only. */
972 int pad
; /* For hollerith types only. */
976 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
984 /* Array specification. */
987 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
989 array_type type
, cotype
;
990 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
992 /* These two fields are used with the Cray Pointer extension. */
993 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
994 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
995 AS_EXPLICIT, but we want to remember that we
1001 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1004 /* Components of derived types. */
1005 typedef struct gfc_component
1010 symbol_attribute attr
;
1014 /* Used to cache a FIELD_DECL matching this same component
1015 but applied to a different backend containing type that was
1016 generated by gfc_nonrestricted_type. */
1017 tree norestrict_decl
;
1019 struct gfc_expr
*initializer
;
1020 struct gfc_component
*next
;
1022 /* Needed for procedure pointer components. */
1023 struct gfc_typebound_proc
*tb
;
1027 #define gfc_get_component() XCNEW (gfc_component)
1029 /* Formal argument lists are lists of symbols. */
1030 typedef struct gfc_formal_arglist
1032 /* Symbol representing the argument at this position in the arglist. */
1033 struct gfc_symbol
*sym
;
1034 /* Points to the next formal argument. */
1035 struct gfc_formal_arglist
*next
;
1039 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1042 /* The gfc_actual_arglist structure is for actual arguments. */
1043 typedef struct gfc_actual_arglist
1046 /* Alternate return label when the expr member is null. */
1047 struct gfc_st_label
*label
;
1049 /* This is set to the type of an eventual omitted optional
1050 argument. This is used to determine if a hidden string length
1051 argument has to be added to a function call. */
1052 bt missing_arg_type
;
1054 struct gfc_expr
*expr
;
1055 struct gfc_actual_arglist
*next
;
1059 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1062 /* Because a symbol can belong to multiple namelists, they must be
1063 linked externally to the symbol itself. */
1064 typedef struct gfc_namelist
1066 struct gfc_symbol
*sym
;
1067 struct gfc_namelist
*next
;
1071 #define gfc_get_namelist() XCNEW (gfc_namelist)
1073 /* Likewise to gfc_namelist, but contains expressions. */
1074 typedef struct gfc_expr_list
1076 struct gfc_expr
*expr
;
1077 struct gfc_expr_list
*next
;
1081 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1085 OMP_REDUCTION_NONE
= -1,
1086 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1087 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1088 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1089 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1090 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1091 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1092 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1093 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1100 gfc_omp_reduction_op
;
1116 OMP_MAP_FORCE_ALLOC
,
1117 OMP_MAP_FORCE_DEALLOC
,
1120 OMP_MAP_FORCE_TOFROM
,
1121 OMP_MAP_FORCE_PRESENT
,
1122 OMP_MAP_FORCE_DEVICEPTR
1126 /* For use in OpenMP clauses in case we need extra information
1127 (aligned clause alignment, linear clause step, etc.). */
1129 typedef struct gfc_omp_namelist
1131 struct gfc_symbol
*sym
;
1132 struct gfc_expr
*expr
;
1135 gfc_omp_reduction_op reduction_op
;
1136 gfc_omp_depend_op depend_op
;
1137 gfc_omp_map_op map_op
;
1139 struct gfc_omp_namelist_udr
*udr
;
1140 struct gfc_omp_namelist
*next
;
1144 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1149 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1150 OMP_LIST_FIRSTPRIVATE
,
1151 OMP_LIST_LASTPRIVATE
,
1152 OMP_LIST_COPYPRIVATE
,
1163 OMP_LIST_DEVICE_RESIDENT
,
1164 OMP_LIST_USE_DEVICE
,
1169 /* Because a symbol can belong to multiple namelists, they must be
1170 linked externally to the symbol itself. */
1172 enum gfc_omp_sched_kind
1182 enum gfc_omp_default_sharing
1184 OMP_DEFAULT_UNKNOWN
,
1186 OMP_DEFAULT_PRIVATE
,
1188 OMP_DEFAULT_FIRSTPRIVATE
1191 enum gfc_omp_proc_bind_kind
1193 OMP_PROC_BIND_UNKNOWN
,
1194 OMP_PROC_BIND_MASTER
,
1195 OMP_PROC_BIND_SPREAD
,
1199 enum gfc_omp_cancel_kind
1202 OMP_CANCEL_PARALLEL
,
1203 OMP_CANCEL_SECTIONS
,
1205 OMP_CANCEL_TASKGROUP
1208 typedef struct gfc_omp_clauses
1210 struct gfc_expr
*if_expr
;
1211 struct gfc_expr
*final_expr
;
1212 struct gfc_expr
*num_threads
;
1213 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1214 enum gfc_omp_sched_kind sched_kind
;
1215 struct gfc_expr
*chunk_size
;
1216 enum gfc_omp_default_sharing default_sharing
;
1218 bool nowait
, ordered
, untied
, mergeable
;
1219 bool inbranch
, notinbranch
;
1220 enum gfc_omp_cancel_kind cancel
;
1221 enum gfc_omp_proc_bind_kind proc_bind
;
1222 struct gfc_expr
*safelen_expr
;
1223 struct gfc_expr
*simdlen_expr
;
1224 struct gfc_expr
*num_teams
;
1225 struct gfc_expr
*device
;
1226 struct gfc_expr
*thread_limit
;
1227 enum gfc_omp_sched_kind dist_sched_kind
;
1228 struct gfc_expr
*dist_chunk_size
;
1231 struct gfc_expr
*async_expr
;
1232 struct gfc_expr
*gang_expr
;
1233 struct gfc_expr
*worker_expr
;
1234 struct gfc_expr
*vector_expr
;
1235 struct gfc_expr
*num_gangs_expr
;
1236 struct gfc_expr
*num_workers_expr
;
1237 struct gfc_expr
*vector_length_expr
;
1238 gfc_expr_list
*wait_list
;
1239 gfc_expr_list
*tile_list
;
1240 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1241 unsigned wait
:1, par_auto
:1, gang_static
:1;
1247 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1250 /* Node in the linked list used for storing !$omp declare simd constructs. */
1252 typedef struct gfc_omp_declare_simd
1254 struct gfc_omp_declare_simd
*next
;
1255 locus where
; /* Where the !$omp declare simd construct occurred. */
1257 gfc_symbol
*proc_name
;
1259 gfc_omp_clauses
*clauses
;
1261 gfc_omp_declare_simd
;
1262 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1264 typedef struct gfc_omp_udr
1266 struct gfc_omp_udr
*next
;
1267 locus where
; /* Where the !$omp declare reduction construct occurred. */
1271 gfc_omp_reduction_op rop
;
1273 struct gfc_symbol
*omp_out
;
1274 struct gfc_symbol
*omp_in
;
1275 struct gfc_namespace
*combiner_ns
;
1277 struct gfc_symbol
*omp_priv
;
1278 struct gfc_symbol
*omp_orig
;
1279 struct gfc_namespace
*initializer_ns
;
1282 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1284 typedef struct gfc_omp_namelist_udr
1286 struct gfc_omp_udr
*udr
;
1287 struct gfc_code
*combiner
;
1288 struct gfc_code
*initializer
;
1290 gfc_omp_namelist_udr
;
1291 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1293 /* The gfc_st_label structure is a BBT attached to a namespace that
1294 records the usage of statement labels within that space. */
1296 typedef struct gfc_st_label
1298 BBT_HEADER(gfc_st_label
);
1302 gfc_sl_type defined
, referenced
;
1304 struct gfc_expr
*format
;
1313 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1314 typedef struct gfc_interface
1316 struct gfc_symbol
*sym
;
1318 struct gfc_interface
*next
;
1322 #define gfc_get_interface() XCNEW (gfc_interface)
1324 /* User operator nodes. These are like stripped down symbols. */
1330 struct gfc_namespace
*ns
;
1336 /* A list of specific bindings that are associated with a generic spec. */
1337 typedef struct gfc_tbp_generic
1339 /* The parser sets specific_st, upon resolution we look for the corresponding
1340 gfc_typebound_proc and set specific for further use. */
1341 struct gfc_symtree
* specific_st
;
1342 struct gfc_typebound_proc
* specific
;
1344 struct gfc_tbp_generic
* next
;
1349 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1352 /* Data needed for type-bound procedures. */
1353 typedef struct gfc_typebound_proc
1355 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1359 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1360 gfc_tbp_generic
* generic
;
1365 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1367 /* The overridden type-bound proc (or GENERIC with this name in the
1368 parent-type) or NULL if non. */
1369 struct gfc_typebound_proc
* overridden
;
1371 /* Once resolved, we use the position of pass_arg in the formal arglist of
1372 the binding-target procedure to identify it. The first argument has
1373 number 1 here, the second 2, and so on. */
1374 unsigned pass_arg_num
;
1376 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1377 unsigned non_overridable
:1;
1378 unsigned deferred
:1;
1379 unsigned is_generic
:1;
1380 unsigned function
:1, subroutine
:1;
1381 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1387 /* Symbol nodes. These are important things. They are what the
1388 standard refers to as "entities". The possibly multiple names that
1389 refer to the same entity are accomplished by a binary tree of
1390 symtree structures that is balanced by the red-black method-- more
1391 than one symtree node can point to any given symbol. */
1393 typedef struct gfc_symbol
1395 const char *name
; /* Primary name, before renaming */
1396 const char *module
; /* Module this symbol came from */
1400 symbol_attribute attr
;
1402 /* The formal member points to the formal argument list if the
1403 symbol is a function or subroutine name. If the symbol is a
1404 generic name, the generic member points to the list of
1407 gfc_interface
*generic
;
1408 gfc_access component_access
;
1410 gfc_formal_arglist
*formal
;
1411 struct gfc_namespace
*formal_ns
;
1412 struct gfc_namespace
*f2k_derived
;
1414 struct gfc_expr
*value
; /* Parameter/Initializer value */
1416 struct gfc_symbol
*result
; /* function result symbol */
1417 gfc_component
*components
; /* Derived type components */
1419 /* Defined only for Cray pointees; points to their pointer. */
1420 struct gfc_symbol
*cp_pointer
;
1422 int entry_id
; /* Used in resolve.c for entries. */
1424 /* CLASS hashed name for declared and dynamic types in the class. */
1427 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1429 /* This is in fact a gfc_common_head but it is only used for pointer
1430 comparisons to check if symbols are in the same common block. */
1431 struct gfc_common_head
* common_head
;
1433 /* Make sure setup code for dummy arguments is generated in the correct
1437 gfc_namelist
*namelist
, *namelist_tail
;
1439 /* Change management fields. Symbols that might be modified by the
1440 current statement have the mark member nonzero and are kept in a
1441 singly linked list through the tlink field. Of these symbols,
1442 symbols with old_symbol equal to NULL are symbols created within
1443 the current statement. Otherwise, old_symbol points to a copy of
1446 struct gfc_symbol
*old_symbol
, *tlink
;
1447 unsigned mark
:1, gfc_new
:1;
1448 /* Nonzero if all equivalences associated with this symbol have been
1450 unsigned equiv_built
:1;
1451 /* Set if this variable is used as an index name in a FORALL. */
1452 unsigned forall_index
:1;
1453 /* Used to avoid multiple resolutions of a single symbol. */
1454 unsigned resolved
:1;
1457 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1461 /* Identity of the intrinsic module the symbol comes from, or
1462 INTMOD_NONE if it's not imported from a intrinsic module. */
1463 intmod_id from_intmod
;
1464 /* Identity of the symbol from intrinsic modules, from enums maintained
1465 separately by each intrinsic module. Used together with from_intmod,
1466 it uniquely identifies a symbol from an intrinsic module. */
1469 /* This may be repetitive, since the typespec now has a binding
1471 const char* binding_label
;
1472 /* Store a reference to the common_block, if this symbol is in one. */
1473 struct gfc_common_head
*common_block
;
1475 /* Link to corresponding association-list if this is an associate name. */
1476 struct gfc_association_list
*assoc
;
1481 struct gfc_undo_change_set
1483 vec
<gfc_symbol
*> syms
;
1484 vec
<gfc_typebound_proc
*> tbps
;
1485 gfc_undo_change_set
*previous
;
1489 /* This structure is used to keep track of symbols in common blocks. */
1490 typedef struct gfc_common_head
1493 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1494 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1495 struct gfc_symbol
*head
;
1496 const char* binding_label
;
1502 #define gfc_get_common_head() XCNEW (gfc_common_head)
1505 /* A list of all the alternate entry points for a procedure. */
1507 typedef struct gfc_entry_list
1509 /* The symbol for this entry point. */
1511 /* The zero-based id of this entry point. */
1513 /* The LABEL_EXPR marking this entry point. */
1515 /* The next item in the list. */
1516 struct gfc_entry_list
*next
;
1520 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1522 /* Lists of rename info for the USE statement. */
1524 typedef struct gfc_use_rename
1526 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1527 struct gfc_use_rename
*next
;
1529 gfc_intrinsic_op op
;
1534 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1536 /* A list of all USE statements in a namespace. */
1538 typedef struct gfc_use_list
1540 const char *module_name
;
1544 struct gfc_use_rename
*rename
;
1546 /* Next USE statement. */
1547 struct gfc_use_list
*next
;
1551 #define gfc_get_use_list() XCNEW (gfc_use_list)
1553 /* Within a namespace, symbols are pointed to by symtree nodes that
1554 are linked together in a balanced binary tree. There can be
1555 several symtrees pointing to the same symbol node via USE
1558 typedef struct gfc_symtree
1560 BBT_HEADER (gfc_symtree
);
1565 gfc_symbol
*sym
; /* Symbol associated with this node */
1567 gfc_common_head
*common
;
1568 gfc_typebound_proc
*tb
;
1569 gfc_omp_udr
*omp_udr
;
1575 /* A linked list of derived types in the namespace. */
1576 typedef struct gfc_dt_list
1578 struct gfc_symbol
*derived
;
1579 struct gfc_dt_list
*next
;
1583 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1585 /* A list of all derived types. */
1586 extern gfc_dt_list
*gfc_derived_types
;
1588 /* A namespace describes the contents of procedure, module, interface block
1589 or BLOCK construct. */
1590 /* ??? Anything else use these? */
1592 typedef struct gfc_namespace
1594 /* Tree containing all the symbols in this namespace. */
1595 gfc_symtree
*sym_root
;
1596 /* Tree containing all the user-defined operators in the namespace. */
1597 gfc_symtree
*uop_root
;
1598 /* Tree containing all the common blocks. */
1599 gfc_symtree
*common_root
;
1600 /* Tree containing all the OpenMP user defined reductions. */
1601 gfc_symtree
*omp_udr_root
;
1603 /* Tree containing type-bound procedures. */
1604 gfc_symtree
*tb_sym_root
;
1605 /* Type-bound user operators. */
1606 gfc_symtree
*tb_uop_root
;
1607 /* For derived-types, store type-bound intrinsic operators here. */
1608 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1609 /* Linked list of finalizer procedures. */
1610 struct gfc_finalizer
*finalizers
;
1612 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1613 int set_flag
[GFC_LETTERS
];
1614 /* Keeps track of the implicit types associated with the letters. */
1615 gfc_typespec default_type
[GFC_LETTERS
];
1616 /* Store the positions of IMPLICIT statements. */
1617 locus implicit_loc
[GFC_LETTERS
];
1619 /* If this is a namespace of a procedure, this points to the procedure. */
1620 struct gfc_symbol
*proc_name
;
1621 /* If this is the namespace of a unit which contains executable
1622 code, this points to it. */
1623 struct gfc_code
*code
;
1625 /* Points to the equivalences set up in this namespace. */
1626 struct gfc_equiv
*equiv
, *old_equiv
;
1628 /* Points to the equivalence groups produced by trans_common. */
1629 struct gfc_equiv_list
*equiv_lists
;
1631 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1633 /* Points to the parent namespace, i.e. the namespace of a module or
1634 procedure in which the procedure belonging to this namespace is
1635 contained. The parent namespace points to this namespace either
1636 directly via CONTAINED, or indirectly via the chain built by
1638 struct gfc_namespace
*parent
;
1639 /* CONTAINED points to the first contained namespace. Sibling
1640 namespaces are chained via SIBLING. */
1641 struct gfc_namespace
*contained
, *sibling
;
1643 gfc_common_head blank_common
;
1644 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1646 gfc_st_label
*st_labels
;
1647 /* This list holds information about all the data initializers in
1649 struct gfc_data
*data
, *old_data
;
1651 /* !$ACC DECLARE clauses. */
1652 gfc_omp_clauses
*oacc_declare_clauses
;
1654 gfc_charlen
*cl_list
, *old_cl_list
;
1656 gfc_dt_list
*derived_types
;
1658 int save_all
, seen_save
, seen_implicit_none
;
1660 /* Normally we don't need to refcount namespaces. However when we read
1661 a module containing a function with multiple entry points, this
1662 will appear as several functions with the same formal namespace. */
1665 /* A list of all alternate entry points to this procedure (or NULL). */
1666 gfc_entry_list
*entries
;
1668 /* A list of USE statements in this namespace. */
1669 gfc_use_list
*use_stmts
;
1671 /* Linked list of !$omp declare simd constructs. */
1672 struct gfc_omp_declare_simd
*omp_declare_simd
;
1674 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1675 unsigned is_block_data
:1;
1677 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1678 unsigned has_import_set
:1;
1680 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1681 unsigned has_implicit_none_export
:1;
1683 /* Set to 1 if resolved has been called for this namespace.
1684 Holds -1 during resolution. */
1687 /* Set to 1 if code has been generated for this namespace. */
1688 unsigned translated
:1;
1690 /* Set to 1 if symbols in this namespace should be 'construct entities',
1691 i.e. for BLOCK local variables. */
1692 unsigned construct_entities
:1;
1694 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1695 unsigned omp_udr_ns
:1;
1699 extern gfc_namespace
*gfc_current_ns
;
1700 extern gfc_namespace
*gfc_global_ns_list
;
1702 /* Global symbols are symbols of global scope. Currently we only use
1703 this to detect collisions already when parsing.
1704 TODO: Extend to verify procedure calls. */
1706 enum gfc_symbol_type
1708 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1709 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1712 typedef struct gfc_gsymbol
1714 BBT_HEADER(gfc_gsymbol
);
1717 const char *sym_name
;
1718 const char *mod_name
;
1719 const char *binding_label
;
1720 enum gfc_symbol_type type
;
1728 extern gfc_gsymbol
*gfc_gsym_root
;
1730 /* Information on interfaces being built. */
1733 interface_type type
;
1737 gfc_intrinsic_op op
;
1741 extern gfc_interface_info current_interface
;
1744 /* Array reference. */
1746 enum gfc_array_ref_dimen_type
1748 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1751 typedef struct gfc_array_ref
1754 int dimen
; /* # of components in the reference */
1756 bool in_allocate
; /* For coarray checks. */
1760 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1761 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1762 *stride
[GFC_MAX_DIMENSIONS
];
1764 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1768 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1771 /* Component reference nodes. A variable is stored as an expression
1772 node that points to the base symbol. After that, a singly linked
1773 list of component reference nodes gives the variable's complete
1774 resolution. The array_ref component may be present and comes
1775 before the component component. */
1778 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1781 typedef struct gfc_ref
1787 struct gfc_array_ref ar
;
1791 gfc_component
*component
;
1798 struct gfc_expr
*start
, *end
; /* Substring */
1799 gfc_charlen
*length
;
1806 struct gfc_ref
*next
;
1810 #define gfc_get_ref() XCNEW (gfc_ref)
1813 /* Structures representing intrinsic symbols and their arguments lists. */
1814 typedef struct gfc_intrinsic_arg
1816 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1819 unsigned optional
:1, value
:1;
1820 ENUM_BITFIELD (sym_intent
) intent
:2;
1821 gfc_actual_arglist
*actual
;
1823 struct gfc_intrinsic_arg
*next
;
1829 /* Specifies the various kinds of check functions used to verify the
1830 argument lists of intrinsic functions. fX with X an integer refer
1831 to check functions of intrinsics with X arguments. f1m is used for
1832 the MAX and MIN intrinsics which can have an arbitrary number of
1833 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1834 these have special semantics. */
1839 bool (*f1
)(struct gfc_expr
*);
1840 bool (*f1m
)(gfc_actual_arglist
*);
1841 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1842 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1843 bool (*f3ml
)(gfc_actual_arglist
*);
1844 bool (*f3red
)(gfc_actual_arglist
*);
1845 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1847 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1848 struct gfc_expr
*, struct gfc_expr
*);
1852 /* Like gfc_check_f, these specify the type of the simplification
1853 function associated with an intrinsic. The fX are just like in
1854 gfc_check_f. cc is used for type conversion functions. */
1858 struct gfc_expr
*(*f0
)(void);
1859 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1860 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1861 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1863 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1864 struct gfc_expr
*, struct gfc_expr
*);
1865 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1866 struct gfc_expr
*, struct gfc_expr
*,
1868 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1872 /* Again like gfc_check_f, these specify the type of the resolution
1873 function associated with an intrinsic. The fX are just like in
1874 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1878 void (*f0
)(struct gfc_expr
*);
1879 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1880 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1881 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1882 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1884 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1885 struct gfc_expr
*, struct gfc_expr
*);
1886 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1887 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1888 void (*s1
)(struct gfc_code
*);
1893 typedef struct gfc_intrinsic_sym
1895 const char *name
, *lib_name
;
1896 gfc_intrinsic_arg
*formal
;
1898 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1899 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1904 gfc_simplify_f simplify
;
1906 gfc_resolve_f resolve
;
1907 struct gfc_intrinsic_sym
*specific_head
, *next
;
1914 /* Expression nodes. The expression node types deserve explanations,
1915 since the last couple can be easily misconstrued:
1917 EXPR_OP Operator node pointing to one or two other nodes
1918 EXPR_FUNCTION Function call, symbol points to function's name
1919 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1920 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1921 which expresses structure, array and substring refs.
1922 EXPR_NULL The NULL pointer value (which also has a basic type).
1923 EXPR_SUBSTRING A substring of a constant string
1924 EXPR_STRUCTURE A structure constructor
1925 EXPR_ARRAY An array constructor.
1926 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1927 component or type-bound procedure. */
1931 #define GFC_RND_MODE GMP_RNDN
1932 #define GFC_MPC_RND_MODE MPC_RNDNN
1934 typedef splay_tree gfc_constructor_base
;
1936 typedef struct gfc_expr
1940 gfc_typespec ts
; /* These two refer to the overall expression */
1942 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1943 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1945 /* Nonnull for functions and structure constructors, may also used to hold the
1946 base-object for component calls. */
1947 gfc_symtree
*symtree
;
1953 /* Used to store the base expression in component calls, when the expression
1954 is not a variable. */
1955 struct gfc_expr
*base_expr
;
1957 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1958 denotes a signalling not-a-number. */
1959 unsigned int is_boz
: 1, is_snan
: 1;
1961 /* Sometimes, when an error has been emitted, it is necessary to prevent
1962 it from recurring. */
1963 unsigned int error
: 1;
1965 /* Mark an expression where a user operator has been substituted by
1966 a function call in interface.c(gfc_extend_expr). */
1967 unsigned int user_operator
: 1;
1969 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1970 unsigned int mold
: 1;
1972 /* If an expression comes from a Hollerith constant or compile-time
1973 evaluation of a transfer statement, it may have a prescribed target-
1974 memory representation, and these cannot always be backformed from
1997 gfc_intrinsic_op op
;
1999 struct gfc_expr
*op1
, *op2
;
2005 gfc_actual_arglist
*actual
;
2006 const char *name
; /* Points to the ultimate name of the function */
2007 gfc_intrinsic_sym
*isym
;
2014 gfc_actual_arglist
* actual
;
2016 /* Base-object, whose component was called. NULL means that it should
2017 be taken from symtree/ref. */
2018 struct gfc_expr
* base_object
;
2019 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2021 /* For type-bound operators, we want to call PASS procedures but already
2022 have the full arglist; mark this, so that it is not extended by the
2024 unsigned ignore_pass
:1;
2026 /* Do assign-calls rather than calls, that is appropriate dependency
2039 gfc_constructor_base constructor
;
2047 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2049 /* Structures for information associated with different kinds of
2050 numbers. The first set of integer parameters define all there is
2051 to know about a particular kind. The rest of the elements are
2052 computed from the first elements. */
2056 /* Values really representable by the target. */
2057 mpz_t huge
, pedantic_min_int
, min_int
;
2059 int kind
, radix
, digits
, bit_size
, range
;
2061 /* True if the C type of the given name maps to this precision.
2062 Note that more than one bit can be set. */
2063 unsigned int c_char
: 1;
2064 unsigned int c_short
: 1;
2065 unsigned int c_int
: 1;
2066 unsigned int c_long
: 1;
2067 unsigned int c_long_long
: 1;
2071 extern gfc_integer_info gfc_integer_kinds
[];
2078 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2079 unsigned int c_bool
: 1;
2083 extern gfc_logical_info gfc_logical_kinds
[];
2088 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2089 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2090 int range
, precision
;
2092 /* The precision of the type as reported by GET_MODE_PRECISION. */
2095 /* True if the C type of the given name maps to this precision.
2096 Note that more than one bit can be set. */
2097 unsigned int c_float
: 1;
2098 unsigned int c_double
: 1;
2099 unsigned int c_long_double
: 1;
2100 unsigned int c_float128
: 1;
2104 extern gfc_real_info gfc_real_kinds
[];
2113 extern gfc_character_info gfc_character_kinds
[];
2116 /* Equivalence structures. Equivalent lvalues are linked along the
2117 *eq pointer, equivalence sets are strung along the *next node. */
2118 typedef struct gfc_equiv
2120 struct gfc_equiv
*next
, *eq
;
2127 #define gfc_get_equiv() XCNEW (gfc_equiv)
2129 /* Holds a single equivalence member after processing. */
2130 typedef struct gfc_equiv_info
2133 HOST_WIDE_INT offset
;
2134 HOST_WIDE_INT length
;
2135 struct gfc_equiv_info
*next
;
2138 /* Holds equivalence groups, after they have been processed. */
2139 typedef struct gfc_equiv_list
2141 gfc_equiv_info
*equiv
;
2142 struct gfc_equiv_list
*next
;
2145 /* gfc_case stores the selector list of a case statement. The *low
2146 and *high pointers can point to the same expression in the case of
2147 a single value. If *high is NULL, the selection is from *low
2148 upwards, if *low is NULL the selection is *high downwards.
2150 This structure has separate fields to allow single and double linked
2151 lists of CASEs at the same time. The singe linked list along the NEXT
2152 field is a list of cases for a single CASE label. The double linked
2153 list along the LEFT/RIGHT fields is used to detect overlap and to
2154 build a table of the cases for SELECT constructs with a CHARACTER
2157 typedef struct gfc_case
2159 /* Where we saw this case. */
2163 /* Case range values. If (low == high), it's a single value. If one of
2164 the labels is NULL, it's an unbounded case. If both are NULL, this
2165 represents the default case. */
2166 gfc_expr
*low
, *high
;
2168 /* Only used for SELECT TYPE. */
2171 /* Next case label in the list of cases for a single CASE label. */
2172 struct gfc_case
*next
;
2174 /* Used for detecting overlap, and for code generation. */
2175 struct gfc_case
*left
, *right
;
2177 /* True if this case label can never be matched. */
2182 #define gfc_get_case() XCNEW (gfc_case)
2187 gfc_expr
*var
, *start
, *end
, *step
;
2191 #define gfc_get_iterator() XCNEW (gfc_iterator)
2194 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2196 typedef struct gfc_alloc
2199 struct gfc_alloc
*next
;
2203 #define gfc_get_alloc() XCNEW (gfc_alloc)
2208 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2209 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2210 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2218 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2226 gfc_expr
*unit
, *iostat
, *iomsg
;
2234 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2235 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2236 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2237 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2238 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2249 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2250 gfc_st_label
*err
, *end
, *eor
;
2257 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2258 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2259 *sign
, *extra_comma
, *dt_io_kind
;
2261 gfc_symbol
*namelist
;
2262 /* A format_label of `format_asterisk' indicates the "*" format */
2263 gfc_st_label
*format_label
;
2264 gfc_st_label
*err
, *end
, *eor
;
2266 locus eor_where
, end_where
, err_where
;
2271 typedef struct gfc_forall_iterator
2273 gfc_expr
*var
, *start
, *end
, *stride
;
2274 struct gfc_forall_iterator
*next
;
2276 gfc_forall_iterator
;
2279 /* Linked list to store associations in an ASSOCIATE statement. */
2281 typedef struct gfc_association_list
2283 struct gfc_association_list
*next
;
2285 /* Whether this is association to a variable that can be changed; otherwise,
2286 it's association to an expression and the name may not be used as
2288 unsigned variable
:1;
2290 /* True if this struct is currently only linked to from a gfc_symbol rather
2291 than as part of a real list in gfc_code->ext.block.assoc. This may
2292 happen for SELECT TYPE temporaries and must be considered
2293 for memory handling. */
2294 unsigned dangling
:1;
2296 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2297 gfc_symtree
*st
; /* Symtree corresponding to name. */
2302 gfc_association_list
;
2303 #define gfc_get_association_list() XCNEW (gfc_association_list)
2306 /* Executable statements that fill gfc_code structures. */
2309 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2310 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2311 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2312 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2313 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2314 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2315 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2316 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2317 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2318 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2319 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2320 EXEC_LOCK
, EXEC_UNLOCK
,
2321 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2322 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2323 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2324 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2325 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2326 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2327 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2328 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2329 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2330 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2331 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2332 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2333 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2334 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2335 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2336 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2337 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2338 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2339 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2340 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2341 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2342 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2343 EXEC_OMP_TARGET_UPDATE
2349 GFC_OMP_ATOMIC_UPDATE
= 0,
2350 GFC_OMP_ATOMIC_READ
= 1,
2351 GFC_OMP_ATOMIC_WRITE
= 2,
2352 GFC_OMP_ATOMIC_CAPTURE
= 3,
2353 GFC_OMP_ATOMIC_MASK
= 3,
2354 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2355 GFC_OMP_ATOMIC_SWAP
= 8
2359 typedef struct gfc_code
2363 struct gfc_code
*block
, *next
;
2366 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2367 gfc_symtree
*symtree
;
2368 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2369 /* A name isn't sufficient to identify a subroutine, we need the actual
2370 symbol for the interface definition.
2371 const char *sub_name; */
2372 gfc_symbol
*resolved_sym
;
2373 gfc_intrinsic_sym
*resolved_isym
;
2377 gfc_actual_arglist
*actual
;
2378 gfc_iterator
*iterator
;
2390 gfc_association_list
*assoc
;
2391 gfc_case
*case_list
;
2397 gfc_filepos
*filepos
;
2398 gfc_inquire
*inquire
;
2401 gfc_forall_iterator
*forall_iterator
;
2402 struct gfc_code
*which_construct
;
2404 gfc_entry_list
*entry
;
2405 gfc_omp_clauses
*omp_clauses
;
2406 const char *omp_name
;
2407 gfc_omp_namelist
*omp_namelist
;
2409 gfc_omp_atomic_op omp_atomic
;
2411 ext
; /* Points to additional structures required by statement */
2413 /* Cycle and break labels in constructs. */
2420 /* Storage for DATA statements. */
2421 typedef struct gfc_data_variable
2425 struct gfc_data_variable
*list
, *next
;
2430 typedef struct gfc_data_value
2434 struct gfc_data_value
*next
;
2439 typedef struct gfc_data
2441 gfc_data_variable
*var
;
2442 gfc_data_value
*value
;
2445 struct gfc_data
*next
;
2450 /* Structure for holding compile options */
2454 gfc_source_form source_form
;
2455 int max_continue_fixed
;
2456 int max_continue_free
;
2457 int max_identifier_length
;
2461 int flag_preprocessed
;
2463 int flag_init_integer
;
2464 int flag_init_integer_value
;
2465 int flag_init_logical
;
2466 int flag_init_character
;
2467 char flag_init_character_value
;
2478 extern gfc_option_t gfc_option
;
2480 /* Constructor nodes for array and structure constructors. */
2481 typedef struct gfc_constructor
2483 gfc_constructor_base base
;
2484 mpz_t offset
; /* Offset within a constructor, used as
2488 gfc_iterator
*iterator
;
2493 gfc_component
*component
; /* Record the component being initialized. */
2496 mpz_t repeat
; /* Record the repeat number of initial values in data
2497 statement like "data a/5*10/". */
2502 typedef struct iterator_stack
2504 gfc_symtree
*variable
;
2506 struct iterator_stack
*prev
;
2509 extern iterator_stack
*iter_stack
;
2512 /* Used for (possibly nested) SELECT TYPE statements. */
2513 typedef struct gfc_select_type_stack
2515 gfc_symbol
*selector
; /* Current selector variable. */
2516 gfc_symtree
*tmp
; /* Current temporary variable. */
2517 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2519 gfc_select_type_stack
;
2520 extern gfc_select_type_stack
*select_type_stack
;
2521 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2524 /* Node in the linked list used for storing finalizer procedures. */
2526 typedef struct gfc_finalizer
2528 struct gfc_finalizer
* next
;
2529 locus where
; /* Where the FINAL declaration occurred. */
2531 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2532 symtree and later need only that. This way, we can access and call the
2533 finalizers from every context as they should be "always accessible". I
2534 don't make this a union because we need the information whether proc_sym is
2535 still referenced or not for dereferencing it on deleting a gfc_finalizer
2537 gfc_symbol
* proc_sym
;
2538 gfc_symtree
* proc_tree
;
2541 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2544 /************************ Function prototypes *************************/
2547 bool gfc_in_match_data (void);
2548 match
gfc_match_char_spec (gfc_typespec
*);
2551 void gfc_scanner_done_1 (void);
2552 void gfc_scanner_init_1 (void);
2554 void gfc_add_include_path (const char *, bool, bool, bool);
2555 void gfc_add_intrinsic_modules_path (const char *);
2556 void gfc_release_include_path (void);
2557 FILE *gfc_open_included_file (const char *, bool, bool);
2559 int gfc_at_end (void);
2560 int gfc_at_eof (void);
2561 int gfc_at_bol (void);
2562 int gfc_at_eol (void);
2563 void gfc_advance_line (void);
2564 int gfc_check_include (void);
2565 int gfc_define_undef_line (void);
2567 int gfc_wide_is_printable (gfc_char_t
);
2568 int gfc_wide_is_digit (gfc_char_t
);
2569 int gfc_wide_fits_in_byte (gfc_char_t
);
2570 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2571 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2572 size_t gfc_wide_strlen (const gfc_char_t
*);
2573 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2574 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2575 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2576 gfc_char_t
*gfc_char_to_widechar (const char *);
2578 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2580 void gfc_skip_comments (void);
2581 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2582 gfc_char_t
gfc_next_char (void);
2583 char gfc_next_ascii_char (void);
2584 gfc_char_t
gfc_peek_char (void);
2585 char gfc_peek_ascii_char (void);
2586 void gfc_error_recovery (void);
2587 void gfc_gobble_whitespace (void);
2588 bool gfc_new_file (void);
2589 const char * gfc_read_orig_filename (const char *, const char **);
2591 extern gfc_source_form gfc_current_form
;
2592 extern const char *gfc_source_file
;
2593 extern locus gfc_current_locus
;
2595 void gfc_start_source_files (void);
2596 void gfc_end_source_files (void);
2599 void gfc_clear_ts (gfc_typespec
*);
2600 FILE *gfc_open_file (const char *);
2601 const char *gfc_basic_typename (bt
);
2602 const char *gfc_typename (gfc_typespec
*);
2603 const char *gfc_op2string (gfc_intrinsic_op
);
2604 const char *gfc_code2string (const mstring
*, int);
2605 int gfc_string2code (const mstring
*, const char *);
2606 const char *gfc_intent_string (sym_intent
);
2608 void gfc_init_1 (void);
2609 void gfc_init_2 (void);
2610 void gfc_done_1 (void);
2611 void gfc_done_2 (void);
2613 int get_c_kind (const char *, CInteropKind_t
*);
2616 unsigned int gfc_option_lang_mask (void);
2617 void gfc_init_options_struct (struct gcc_options
*);
2618 void gfc_init_options (unsigned int,
2619 struct cl_decoded_option
*);
2620 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2621 const struct cl_option_handlers
*);
2622 bool gfc_post_options (const char **);
2623 char *gfc_get_option_string (void);
2626 void gfc_maybe_initialize_eh (void);
2629 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2630 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2634 typedef struct gfc_error_buf
2637 size_t allocated
, index
;
2641 void gfc_error_init_1 (void);
2642 void gfc_diagnostics_init (void);
2643 void gfc_diagnostics_finish (void);
2644 void gfc_buffer_error (bool);
2646 const char *gfc_print_wide_char (gfc_char_t
);
2648 void gfc_warning_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2649 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2650 void gfc_warning_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2651 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2653 void gfc_clear_warning (void);
2654 void gfc_warning_check (void);
2656 void gfc_error_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2657 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2658 void gfc_error_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2659 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2660 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2661 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2662 void gfc_clear_error (void);
2663 bool gfc_error_check (void);
2664 bool gfc_error_flag_test (void);
2666 notification
gfc_notification_std (int);
2667 bool gfc_notify_std_1 (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2668 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2670 /* A general purpose syntax error. */
2671 #define gfc_syntax_error(ST) \
2672 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2674 #include "pretty-print.h" /* For output_buffer. */
2675 void gfc_push_error (output_buffer
*, gfc_error_buf
*);
2676 void gfc_pop_error (output_buffer
*, gfc_error_buf
*);
2677 void gfc_free_error (output_buffer
*, gfc_error_buf
*);
2679 void gfc_get_errors (int *, int *);
2680 void gfc_errors_to_warnings (bool);
2683 void gfc_arith_init_1 (void);
2684 void gfc_arith_done_1 (void);
2685 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2686 bool gfc_check_character_range (gfc_char_t
, int);
2689 bool gfc_check_any_c_kind (gfc_typespec
*);
2690 int gfc_validate_kind (bt
, int, bool);
2691 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2692 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2693 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2694 extern int gfc_index_integer_kind
;
2695 extern int gfc_default_integer_kind
;
2696 extern int gfc_max_integer_kind
;
2697 extern int gfc_default_real_kind
;
2698 extern int gfc_default_double_kind
;
2699 extern int gfc_default_character_kind
;
2700 extern int gfc_default_logical_kind
;
2701 extern int gfc_default_complex_kind
;
2702 extern int gfc_c_int_kind
;
2703 extern int gfc_atomic_int_kind
;
2704 extern int gfc_atomic_logical_kind
;
2705 extern int gfc_intio_kind
;
2706 extern int gfc_charlen_int_kind
;
2707 extern int gfc_numeric_storage_size
;
2708 extern int gfc_character_storage_size
;
2711 void gfc_clear_new_implicit (void);
2712 bool gfc_add_new_implicit_range (int, int);
2713 bool gfc_merge_new_implicit (gfc_typespec
*);
2714 void gfc_set_implicit_none (bool, bool, locus
*);
2715 void gfc_check_function_type (gfc_namespace
*);
2716 bool gfc_is_intrinsic_typename (const char *);
2718 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2719 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2721 void gfc_set_sym_referenced (gfc_symbol
*);
2723 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2724 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2725 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2726 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2727 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2728 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2729 bool gfc_add_external (symbol_attribute
*, locus
*);
2730 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2731 bool gfc_add_optional (symbol_attribute
*, locus
*);
2732 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2733 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2734 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2735 match
gfc_mod_pointee_as (gfc_array_spec
*);
2736 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2737 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2738 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2739 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2740 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2741 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2742 bool gfc_add_target (symbol_attribute
*, locus
*);
2743 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2744 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2745 bool gfc_add_common (symbol_attribute
*, locus
*);
2746 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2747 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2748 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2749 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2750 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2751 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2752 bool gfc_add_pure (symbol_attribute
*, locus
*);
2753 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2754 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2755 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2756 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2757 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2758 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2759 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2761 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2762 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2763 bool gfc_add_extension (symbol_attribute
*, locus
*);
2764 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2765 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2766 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2767 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2768 const char *, locus
*);
2769 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2770 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2771 gfc_formal_arglist
*, locus
*);
2772 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2774 void gfc_clear_attr (symbol_attribute
*);
2775 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2776 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2778 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2779 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2780 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2781 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2783 gfc_st_label
*gfc_get_st_label (int);
2784 void gfc_free_st_label (gfc_st_label
*);
2785 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2786 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2788 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2789 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2790 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2791 void gfc_delete_symtree (gfc_symtree
**, const char *);
2792 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2793 gfc_user_op
*gfc_get_uop (const char *);
2794 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2795 void gfc_free_symbol (gfc_symbol
*);
2796 void gfc_release_symbol (gfc_symbol
*);
2797 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2798 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2799 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2800 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2801 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2802 bool gfc_verify_c_interop (gfc_typespec
*);
2803 bool gfc_verify_c_interop_param (gfc_symbol
*);
2804 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2805 bool verify_bind_c_derived_type (gfc_symbol
*);
2806 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2807 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2808 const char *, gfc_symtree
*, bool);
2809 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2810 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2811 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2813 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2814 void gfc_drop_last_undo_checkpoint (void);
2815 void gfc_restore_last_undo_checkpoint (void);
2816 void gfc_undo_symbols (void);
2817 void gfc_commit_symbols (void);
2818 void gfc_commit_symbol (gfc_symbol
*);
2819 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2820 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2821 void gfc_free_namespace (gfc_namespace
*);
2823 void gfc_symbol_init_2 (void);
2824 void gfc_symbol_done_2 (void);
2826 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2827 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2828 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2829 void gfc_save_all (gfc_namespace
*);
2831 void gfc_enforce_clean_symbol_state (void);
2832 void gfc_free_dt_list (void);
2835 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2836 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2838 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2839 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2840 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2841 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2842 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2844 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2845 gfc_actual_arglist
*);
2847 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2849 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2850 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2852 bool gfc_is_associate_pointer (gfc_symbol
*);
2853 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2854 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2856 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2857 extern bool gfc_init_expr_flag
;
2859 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2861 /* Given a symbol that we have decided is intrinsic, mark it as such
2862 by placing it into a special module that is otherwise impossible to
2865 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2867 void gfc_intrinsic_init_1 (void);
2868 void gfc_intrinsic_done_1 (void);
2870 char gfc_type_letter (bt
);
2871 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2872 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2873 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2874 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2875 int gfc_generic_intrinsic (const char *);
2876 int gfc_specific_intrinsic (const char *);
2877 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2878 int gfc_intrinsic_actual_ok (const char *, const bool);
2879 gfc_intrinsic_sym
*gfc_find_function (const char *);
2880 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2881 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2882 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2883 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2884 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2887 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2888 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2890 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2891 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2894 /* match.c -- FIXME */
2895 void gfc_free_iterator (gfc_iterator
*, int);
2896 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2897 void gfc_free_alloc_list (gfc_alloc
*);
2898 void gfc_free_namelist (gfc_namelist
*);
2899 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2900 void gfc_free_equiv (gfc_equiv
*);
2901 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2902 void gfc_free_data (gfc_data
*);
2903 void gfc_reject_data (gfc_namespace
*);
2904 void gfc_free_case_list (gfc_case
*);
2906 /* matchexp.c -- FIXME too? */
2907 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2910 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2911 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2912 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2913 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2914 void gfc_free_omp_udr (gfc_omp_udr
*);
2915 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2916 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2917 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2918 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2919 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2920 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2921 void gfc_resolve_omp_udrs (gfc_symtree
*);
2922 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2923 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2924 void gfc_free_expr_list (gfc_expr_list
*);
2925 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
2926 void gfc_resolve_oacc_declare (gfc_namespace
*);
2927 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
2928 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
2931 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2932 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2933 const char *gfc_extract_int (gfc_expr
*, int *);
2934 bool is_subref_array (gfc_expr
*);
2935 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2936 bool gfc_check_init_expr (gfc_expr
*);
2938 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2939 void gfc_free_ref_list (gfc_ref
*);
2940 void gfc_type_convert_binary (gfc_expr
*, int);
2941 int gfc_is_constant_expr (gfc_expr
*);
2942 bool gfc_simplify_expr (gfc_expr
*, int);
2943 int gfc_has_vector_index (gfc_expr
*);
2945 gfc_expr
*gfc_get_expr (void);
2946 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2947 gfc_expr
*gfc_get_null_expr (locus
*);
2948 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2949 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2950 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2951 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2952 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2953 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2954 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2956 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2957 void gfc_free_shape (mpz_t
**shape
, int rank
);
2958 void gfc_free_expr (gfc_expr
*);
2959 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2960 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2961 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2962 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2963 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2965 bool gfc_specification_expr (gfc_expr
*);
2967 int gfc_numeric_ts (gfc_typespec
*);
2968 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2970 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2971 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2972 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2973 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2975 bool gfc_has_default_initializer (gfc_symbol
*);
2976 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2977 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2978 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2979 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2981 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2983 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2984 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2986 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2987 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2989 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2990 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2992 bool gfc_ref_this_image (gfc_ref
*ref
);
2993 bool gfc_is_coindexed (gfc_expr
*);
2994 bool gfc_is_coarray (gfc_expr
*);
2995 int gfc_get_corank (gfc_expr
*);
2996 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2997 bool gfc_has_ultimate_pointer (gfc_expr
*);
2999 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3000 locus
, unsigned, ...);
3001 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3005 extern gfc_code new_st
;
3007 void gfc_clear_new_st (void);
3008 gfc_code
*gfc_get_code (gfc_exec_op
);
3009 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3010 void gfc_free_statement (gfc_code
*);
3011 void gfc_free_statements (gfc_code
*);
3012 void gfc_free_association_list (gfc_association_list
*);
3015 bool gfc_resolve_expr (gfc_expr
*);
3016 void gfc_resolve (gfc_namespace
*);
3017 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3018 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3019 int gfc_impure_variable (gfc_symbol
*);
3020 int gfc_pure (gfc_symbol
*);
3021 int gfc_implicit_pure (gfc_symbol
*);
3022 void gfc_unset_implicit_pure (gfc_symbol
*);
3023 int gfc_elemental (gfc_symbol
*);
3024 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3025 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3026 bool gfc_resolve_index (gfc_expr
*, int);
3027 bool gfc_resolve_dim_arg (gfc_expr
*);
3028 int gfc_is_formal_arg (void);
3029 void gfc_resolve_substring_charlen (gfc_expr
*);
3030 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3031 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3032 bool gfc_type_is_extensible (gfc_symbol
*);
3033 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3034 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3035 extern int gfc_do_concurrent_flag
;
3039 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3041 void gfc_free_array_spec (gfc_array_spec
*);
3042 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3044 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3045 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3046 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3048 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3050 void gfc_simplify_iterator_var (gfc_expr
*);
3051 bool gfc_expand_constructor (gfc_expr
*, bool);
3052 int gfc_constant_ac (gfc_expr
*);
3053 int gfc_expanded_ac (gfc_expr
*);
3054 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3055 bool gfc_resolve_array_constructor (gfc_expr
*);
3056 bool gfc_check_constructor_type (gfc_expr
*);
3057 bool gfc_check_iter_variable (gfc_expr
*);
3058 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3059 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3060 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3061 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3062 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3063 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3064 bool spec_size (gfc_array_spec
*, mpz_t
*);
3065 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3066 int gfc_is_compile_time_shape (gfc_array_spec
*);
3068 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3071 /* interface.c -- FIXME: some of these should be in symbol.c */
3072 void gfc_free_interface (gfc_interface
*);
3073 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3074 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3075 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3076 char *, int, const char *, const char *);
3077 void gfc_check_interfaces (gfc_namespace
*);
3078 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3079 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3080 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3081 gfc_actual_arglist
**);
3082 match
gfc_extend_expr (gfc_expr
*);
3083 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3084 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3085 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3086 bool gfc_add_interface (gfc_symbol
*);
3087 gfc_interface
*gfc_current_interface_head (void);
3088 void gfc_set_current_interface_head (gfc_interface
*);
3089 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3090 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3091 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3092 int gfc_has_vector_subscript (gfc_expr
*);
3093 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3094 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3097 extern gfc_st_label format_asterisk
;
3099 void gfc_free_open (gfc_open
*);
3100 bool gfc_resolve_open (gfc_open
*);
3101 void gfc_free_close (gfc_close
*);
3102 bool gfc_resolve_close (gfc_close
*);
3103 void gfc_free_filepos (gfc_filepos
*);
3104 bool gfc_resolve_filepos (gfc_filepos
*);
3105 void gfc_free_inquire (gfc_inquire
*);
3106 bool gfc_resolve_inquire (gfc_inquire
*);
3107 void gfc_free_dt (gfc_dt
*);
3108 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3109 void gfc_free_wait (gfc_wait
*);
3110 bool gfc_resolve_wait (gfc_wait
*);
3113 void gfc_module_init_2 (void);
3114 void gfc_module_done_2 (void);
3115 void gfc_dump_module (const char *, int);
3116 bool gfc_check_symbol_access (gfc_symbol
*);
3117 void gfc_free_use_stmts (gfc_use_list
*);
3120 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3121 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3122 match
gfc_match_rvalue (gfc_expr
**);
3123 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3124 int gfc_check_digit (char, int);
3125 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3126 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3128 gfc_actual_arglist
**, bool);
3131 void gfc_generate_code (gfc_namespace
*);
3132 void gfc_generate_module_code (gfc_namespace
*);
3134 /* trans-intrinsic.c */
3135 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3138 typedef int (*compare_fn
) (void *, void *);
3139 void gfc_insert_bbt (void *, void *, compare_fn
);
3140 void gfc_delete_bbt (void *, void *, compare_fn
);
3142 /* dump-parse-tree.c */
3143 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3146 bool gfc_parse_file (void);
3147 void gfc_global_used (gfc_gsymbol
*, locus
*);
3148 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3151 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3152 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3153 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3156 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3157 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3158 size_t*, size_t*, size_t*);
3161 void gfc_fix_class_refs (gfc_expr
*e
);
3162 void gfc_add_component_ref (gfc_expr
*, const char *);
3163 void gfc_add_class_array_ref (gfc_expr
*);
3164 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3165 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3166 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3167 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3168 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3169 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3170 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3171 bool gfc_is_class_scalar_expr (gfc_expr
*);
3172 bool gfc_is_class_container_ref (gfc_expr
*e
);
3173 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3174 unsigned int gfc_hash_value (gfc_symbol
*);
3175 gfc_expr
*gfc_get_len_component (gfc_expr
*e
);
3176 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3178 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3179 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3180 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3181 const char*, bool, locus
*);
3182 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3183 const char*, bool, locus
*);
3184 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3185 gfc_intrinsic_op
, bool,
3187 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3188 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3190 #define CLASS_DATA(sym) sym->ts.u.derived->components
3191 #define UNLIMITED_POLY(sym) \
3192 (sym != NULL && sym->ts.type == BT_CLASS \
3193 && CLASS_DATA (sym) \
3194 && CLASS_DATA (sym)->ts.u.derived \
3195 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3197 /* frontend-passes.c */
3199 void gfc_run_passes (gfc_namespace
*);
3201 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3202 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3204 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3205 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3206 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3210 void gfc_convert_mpz_to_signed (mpz_t
, int);
3212 #endif /* GCC_GFORTRAN_H */