1 /* gfortran header file
2 Copyright (C) 2000-2018 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
53 #include "splay-tree.h"
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
58 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
60 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
65 /* Macros to check for groups of structure-like types and flavors since
66 derived types, structures, maps, unions are often treated similarly. */
67 #define gfc_bt_struct(t) \
68 ((t) == BT_DERIVED || (t) == BT_UNION)
69 #define gfc_fl_struct(f) \
70 ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT)
71 #define case_bt_struct case BT_DERIVED: case BT_UNION
72 #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
85 /* A prefix for internal variables, which are not user-visible. */
86 #if !defined (NO_DOT_IN_LABEL)
87 # define GFC_PREFIX(x) "_F." x
88 #elif !defined (NO_DOLLAR_IN_LABEL)
89 # define GFC_PREFIX(x) "_F$" x
91 # define GFC_PREFIX(x) "_F_" x
94 #define BLANK_COMMON_NAME "__BLNK__"
96 /* Macro to initialize an mstring structure. */
97 #define minit(s, t) { s, NULL, t }
99 /* Structure for storing strings to be matched by gfc_match_string. */
110 /*************************** Enums *****************************/
112 /* Used when matching and resolving data I/O transfer statements. */
115 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
};
118 /* These are flags for identifying whether we are reading a character literal
119 between quotes or normal source code. */
122 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
};
124 /* This is returned by gfc_notification_std to know if, given the flags
125 that were given (-std=, -pedantic) we should issue an error, a warning
129 { SILENT
, WARNING
, ERROR
};
131 /* Matchers return one of these three values. The difference between
132 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
133 successful, but that something non-syntactic is wrong and an error
134 has already been issued. */
137 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
};
139 /* Used for different Fortran source forms in places like scanner.c. */
141 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
};
143 /* Expression node types. */
145 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
146 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
151 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
152 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
157 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
};
159 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
160 related to shared DO terminations and DO targets which are neither END DO
161 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
163 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
164 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
167 /* Intrinsic operators. */
168 enum gfc_intrinsic_op
169 { GFC_INTRINSIC_BEGIN
= 0,
170 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
171 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
172 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
173 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
174 /* ==, /=, >, >=, <, <= */
175 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
176 INTRINSIC_LT
, INTRINSIC_LE
,
177 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
178 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
179 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
180 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
, INTRINSIC_PARENTHESES
,
181 GFC_INTRINSIC_END
, /* Sentinel */
182 /* User defined derived type pseudo operators. These are set beyond the
183 sentinel so that they are excluded from module_read and module_write. */
184 INTRINSIC_FORMATTED
, INTRINSIC_UNFORMATTED
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
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
207 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
208 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
209 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
210 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
211 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
212 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
213 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
214 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
215 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
216 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
217 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
218 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
219 ST_STRUCTURE_DECL
, ST_END_STRUCTURE
,
220 ST_UNION
, ST_END_UNION
, ST_MAP
, ST_END_MAP
,
221 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
222 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
223 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
224 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
225 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
226 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
227 ST_OACC_ATOMIC
, ST_OACC_END_ATOMIC
,
228 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
229 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
230 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
231 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
232 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
233 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
234 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
235 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
236 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
237 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
238 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
239 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
240 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
241 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
242 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
243 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
244 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
245 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
246 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
247 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
248 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
249 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
250 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
251 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
252 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
253 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
254 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
255 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
256 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
257 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
258 ST_OMP_TARGET_PARALLEL
, ST_OMP_END_TARGET_PARALLEL
,
259 ST_OMP_TARGET_PARALLEL_DO
, ST_OMP_END_TARGET_PARALLEL_DO
,
260 ST_OMP_TARGET_PARALLEL_DO_SIMD
, ST_OMP_END_TARGET_PARALLEL_DO_SIMD
,
261 ST_OMP_TARGET_ENTER_DATA
, ST_OMP_TARGET_EXIT_DATA
,
262 ST_OMP_TARGET_SIMD
, ST_OMP_END_TARGET_SIMD
,
263 ST_OMP_TASKLOOP
, ST_OMP_END_TASKLOOP
,
264 ST_OMP_TASKLOOP_SIMD
, ST_OMP_END_TASKLOOP_SIMD
, ST_OMP_ORDERED_DEPEND
,
265 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
266 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_EVENT_POST
,
267 ST_EVENT_WAIT
, ST_FAIL_IMAGE
, ST_FORM_TEAM
, ST_CHANGE_TEAM
,
268 ST_END_TEAM
, ST_SYNC_TEAM
, ST_NONE
271 /* Types of interfaces that we can have. Assignment interfaces are
272 considered to be intrinsic operators. */
275 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
276 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
,
280 /* Symbol flavors: these are all mutually exclusive.
281 12 elements = 4 bits. */
284 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
285 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
286 FL_UNION
, FL_STRUCT
, FL_VOID
289 /* Procedure types. 7 elements = 3 bits. */
291 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
292 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
297 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
302 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
305 /* Flags to keep track of where an interface came from.
306 3 elements = 2 bits. */
308 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
309 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
310 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
311 with explicit interface. */
314 /* Whether a SAVE attribute was set explicitly or implicitly. */
316 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
319 /* Strings for all symbol attributes. We use these for dumping the
320 parse tree, in error messages, and also when reading and writing
321 modules. In symbol.c. */
322 extern const mstring flavors
[];
323 extern const mstring procedures
[];
324 extern const mstring intents
[];
325 extern const mstring access_types
[];
326 extern const mstring ifsrc_types
[];
327 extern const mstring save_status
[];
329 /* Strings for DTIO procedure names. In symbol.c. */
330 extern const mstring dtio_procs
[];
333 { DTIO_RF
= 0, DTIO_WF
, DTIO_RUF
, DTIO_WUF
};
335 /* Enumeration of all the generic intrinsic functions. Used by the
336 backend for identification of a function. */
340 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
341 the backend (e.g. KIND). */
369 GFC_ISYM_ATOMIC_FETCH_ADD
,
370 GFC_ISYM_ATOMIC_FETCH_AND
,
371 GFC_ISYM_ATOMIC_FETCH_OR
,
372 GFC_ISYM_ATOMIC_FETCH_XOR
,
389 GFC_ISYM_CO_BROADCAST
,
394 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
395 GFC_ISYM_COMPILER_OPTIONS
,
396 GFC_ISYM_COMPILER_VERSION
,
407 GFC_ISYM_C_ASSOCIATED
,
408 GFC_ISYM_C_F_POINTER
,
409 GFC_ISYM_C_F_PROCPOINTER
,
413 GFC_ISYM_DATE_AND_TIME
,
417 GFC_ISYM_DOT_PRODUCT
,
426 GFC_ISYM_ERFC_SCALED
,
428 GFC_ISYM_EVENT_QUERY
,
429 GFC_ISYM_EXECUTE_COMMAND_LINE
,
433 GFC_ISYM_EXTENDS_TYPE_OF
,
434 GFC_ISYM_FAILED_IMAGES
,
436 GFC_ISYM_FE_RUNTIME_ERROR
,
452 GFC_ISYM_GET_COMMAND
,
453 GFC_ISYM_GET_COMMAND_ARGUMENT
,
456 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
478 GFC_ISYM_IMAGE_INDEX
,
479 GFC_ISYM_IMAGE_STATUS
,
488 GFC_ISYM_IS_IOSTAT_END
,
489 GFC_ISYM_IS_IOSTAT_EOR
,
524 GFC_ISYM_MAXEXPONENT
,
532 GFC_ISYM_MINEXPONENT
,
557 GFC_ISYM_RANDOM_NUMBER
,
558 GFC_ISYM_RANDOM_SEED
,
567 GFC_ISYM_SAME_TYPE_AS
,
573 GFC_ISYM_SET_EXPONENT
,
593 GFC_ISYM_STOPPED_IMAGES
,
594 GFC_ISYM_STORAGE_SIZE
,
600 GFC_ISYM_SYSTEM_CLOCK
,
603 GFC_ISYM_TEAM_NUMBER
,
626 enum init_local_logical
628 GFC_INIT_LOGICAL_OFF
= 0,
629 GFC_INIT_LOGICAL_FALSE
,
630 GFC_INIT_LOGICAL_TRUE
633 enum init_local_character
635 GFC_INIT_CHARACTER_OFF
= 0,
636 GFC_INIT_CHARACTER_ON
639 enum init_local_integer
641 GFC_INIT_INTEGER_OFF
= 0,
653 enum gfc_param_spec_type
660 /************************* Structures *****************************/
662 /* Used for keeping things in balanced binary trees. */
663 #define BBT_HEADER(self) int priority; struct self *left, *right
665 #define NAMED_INTCST(a,b,c,d) a,
666 #define NAMED_KINDARRAY(a,b,c,d) a,
667 #define NAMED_FUNCTION(a,b,c,d) a,
668 #define NAMED_SUBROUTINE(a,b,c,d) a,
669 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
670 enum iso_fortran_env_symbol
672 ISOFORTRANENV_INVALID
= -1,
673 #include "iso-fortran-env.def"
674 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
677 #undef NAMED_KINDARRAY
678 #undef NAMED_FUNCTION
679 #undef NAMED_SUBROUTINE
680 #undef NAMED_DERIVED_TYPE
682 #define NAMED_INTCST(a,b,c,d) a,
683 #define NAMED_REALCST(a,b,c,d) a,
684 #define NAMED_CMPXCST(a,b,c,d) a,
685 #define NAMED_LOGCST(a,b,c) a,
686 #define NAMED_CHARKNDCST(a,b,c) a,
687 #define NAMED_CHARCST(a,b,c) a,
688 #define DERIVED_TYPE(a,b,c) a,
689 #define NAMED_FUNCTION(a,b,c,d) a,
690 #define NAMED_SUBROUTINE(a,b,c,d) a,
691 enum iso_c_binding_symbol
693 ISOCBINDING_INVALID
= -1,
694 #include "iso-c-binding.def"
696 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
702 #undef NAMED_CHARKNDCST
705 #undef NAMED_FUNCTION
706 #undef NAMED_SUBROUTINE
710 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
711 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
716 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
717 int value
; /* Used for both integer and character values. */
722 /* Array of structs, where the structs represent the C interop kinds.
723 The list will be implemented based on a hash of the kind name since
724 these could be accessed multiple times.
725 Declared in trans-types.c as a global, since it's in that file
726 that the list is initialized. */
727 extern CInteropKind_t c_interop_kinds_table
[];
730 /* Structure and list of supported extension attributes. */
733 EXT_ATTR_DLLIMPORT
= 0,
738 EXT_ATTR_NO_ARG_CHECK
,
739 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
747 const char *middle_end_name
;
751 extern const ext_attr_t ext_attr_list
[];
753 /* Symbol attribute structure. */
756 /* Variable attributes. */
757 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
758 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
759 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
760 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
761 contiguous
:1, fe_temp
: 1, automatic
: 1;
763 /* For CLASS containers, the pointer attribute is sometimes set internally
764 even though it was not directly specified. In this case, keep the
765 "real" (original) value here. */
766 unsigned class_pointer
:1;
768 ENUM_BITFIELD (save_state
) save
:2;
770 unsigned data
:1, /* Symbol is named in a DATA statement. */
771 is_protected
:1, /* Symbol has been marked as protected. */
772 use_assoc
:1, /* Symbol has been use-associated. */
773 used_in_submodule
:1, /* Symbol has been use-associated in a
774 submodule. Needed since these entities must
775 be set host associated to be compliant. */
776 use_only
:1, /* Symbol has been use-associated, with ONLY. */
777 use_rename
:1, /* Symbol has been use-associated and renamed. */
778 imported
:1, /* Symbol has been associated by IMPORT. */
779 host_assoc
:1; /* Symbol has been host associated. */
781 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
782 unsigned function
:1, subroutine
:1, procedure
:1;
783 unsigned generic
:1, generic_copy
:1;
784 unsigned implicit_type
:1; /* Type defined via implicit rules. */
785 unsigned untyped
:1; /* No implicit type could be found. */
787 unsigned is_bind_c
:1; /* say if is bound to C. */
788 unsigned extension
:8; /* extension level of a derived type. */
789 unsigned is_class
:1; /* is a CLASS container. */
790 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
791 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
792 unsigned vtype
:1; /* is a derived type of a vtab. */
794 /* These flags are both in the typespec and attribute. The attribute
795 list is what gets read from/written to a module file. The typespec
796 is created from a decl being processed. */
797 unsigned is_c_interop
:1; /* It's c interoperable. */
798 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
800 /* Function/subroutine attributes */
801 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
802 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
804 /* Set if this is a module function or subroutine. Note that it is an
805 attribute because it appears as a prefix in the declaration like
807 unsigned module_procedure
:1;
809 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
810 which is relevant for private module procedures. */
811 unsigned public_used
:1;
813 /* This is set if a contained procedure could be declared pure. This is
814 used for certain optimizations that require the result or arguments
815 cannot alias. Note that this is zero for PURE procedures. */
816 unsigned implicit_pure
:1;
818 /* This is set for a procedure that contains expressions referencing
819 arrays coming from outside its namespace.
820 This is used to force the creation of a temporary when the LHS of
821 an array assignment may be used by an elemental procedure appearing
823 unsigned array_outer_dependency
:1;
825 /* This is set if the subroutine doesn't return. Currently, this
826 is only possible for intrinsic subroutines. */
829 /* Set if this procedure is an alternate entry point. These procedures
830 don't have any code associated, and the backend will turn them into
831 thunks to the master function. */
834 /* Set if this is the master function for a procedure with multiple
836 unsigned entry_master
:1;
838 /* Set if this is the master function for a function with multiple
839 entry points where characteristics of the entry points differ. */
840 unsigned mixed_entry_master
:1;
842 /* Set if a function must always be referenced by an explicit interface. */
843 unsigned always_explicit
:1;
845 /* Set if the symbol is generated and, hence, standard violations
846 shouldn't be flaged. */
847 unsigned artificial
:1;
849 /* Set if the symbol has been referenced in an expression. No further
850 modification of type or type parameters is permitted. */
851 unsigned referenced
:1;
853 /* Set if this is the symbol for the main program. */
854 unsigned is_main_program
:1;
856 /* Mutually exclusive multibit attributes. */
857 ENUM_BITFIELD (gfc_access
) access
:2;
858 ENUM_BITFIELD (sym_intent
) intent
:2;
859 ENUM_BITFIELD (sym_flavor
) flavor
:4;
860 ENUM_BITFIELD (ifsrc
) if_source
:2;
862 ENUM_BITFIELD (procedure_type
) proc
:3;
864 /* Special attributes for Cray pointers, pointees. */
865 unsigned cray_pointer
:1, cray_pointee
:1;
867 /* The symbol is a derived type with allocatable components, pointer
868 components or private components, procedure pointer components,
869 possibly nested. zero_comp is true if the derived type has no
870 component at all. defined_assign_comp is true if the derived
871 type or a (sub-)component has a typebound defined assignment.
872 unlimited_polymorphic flags the type of the container for these
874 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
875 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
876 event_comp
:1, defined_assign_comp
:1, unlimited_polymorphic
:1,
877 has_dtio_procs
:1, caf_token
:1;
879 /* This is a temporary selector for SELECT TYPE or an associate
880 variable for SELECT_TYPE or ASSOCIATE. */
881 unsigned select_type_temporary
:1, associate_var
:1;
883 /* These are the attributes required for parameterized derived
885 unsigned pdt_kind
:1, pdt_len
:1, pdt_type
:1, pdt_template
:1,
886 pdt_array
:1, pdt_string
:1;
888 /* This is omp_{out,in,priv,orig} artificial variable in
889 !$OMP DECLARE REDUCTION. */
890 unsigned omp_udr_artificial_var
:1;
892 /* Mentioned in OMP DECLARE TARGET. */
893 unsigned omp_declare_target
:1;
894 unsigned omp_declare_target_link
:1;
896 /* Mentioned in OACC DECLARE. */
897 unsigned oacc_declare_create
:1;
898 unsigned oacc_declare_copyin
:1;
899 unsigned oacc_declare_deviceptr
:1;
900 unsigned oacc_declare_device_resident
:1;
901 unsigned oacc_declare_link
:1;
903 /* This is an OpenACC acclerator function at level N - 1 */
904 unsigned oacc_function
:3;
906 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
907 unsigned ext_attr
:EXT_ATTR_NUM
;
909 /* The namespace where the attribute has been set. */
910 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
915 /* We need to store source lines as sequences of multibyte source
916 characters. We define here a type wide enough to hold any multibyte
917 source character, just like libcpp does. A 32-bit type is enough. */
919 #if HOST_BITS_PER_INT >= 32
920 typedef unsigned int gfc_char_t
;
921 #elif HOST_BITS_PER_LONG >= 32
922 typedef unsigned long gfc_char_t
;
923 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
924 typedef unsigned long long gfc_char_t
;
926 # error "Cannot find an integer type with at least 32 bits"
930 /* The following three structures are used to identify a location in
933 gfc_file is used to maintain a tree of the source files and how
934 they include each other
936 gfc_linebuf holds a single line of source code and information
937 which file it resides in
939 locus point to the sourceline and the character in the source
943 typedef struct gfc_file
945 struct gfc_file
*next
, *up
;
946 int inclusion_line
, line
;
950 typedef struct gfc_linebuf
952 source_location location
;
953 struct gfc_file
*file
;
954 struct gfc_linebuf
*next
;
962 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
964 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
972 /* In order for the "gfc" format checking to work correctly, you must
973 have declared a typedef locus first. */
974 #if GCC_VERSION >= 4001
975 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
977 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
981 /* Suppress error messages or re-enable them. */
983 void gfc_push_suppress_errors (void);
984 void gfc_pop_suppress_errors (void);
987 /* Character length structures hold the expression that gives the
988 length of a character variable. We avoid putting these into
989 gfc_typespec because doing so prevents us from doing structure
990 copies and forces us to deallocate any typespecs we create, as well
991 as structures that contain typespecs. They also can have multiple
992 character typespecs pointing to them.
994 These structures form a singly linked list within the current
995 namespace and are deallocated with the namespace. It is possible to
996 end up with gfc_charlen structures that have nothing pointing to them. */
998 typedef struct gfc_charlen
1000 struct gfc_expr
*length
;
1001 struct gfc_charlen
*next
;
1002 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
1004 tree passed_length
; /* Length argument explicitly passed. */
1010 #define gfc_get_charlen() XCNEW (gfc_charlen)
1012 /* Type specification structure. */
1020 struct gfc_symbol
*derived
; /* For derived types only. */
1021 gfc_charlen
*cl
; /* For character types only. */
1022 int pad
; /* For hollerith types only. */
1026 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1031 gfc_symbol
*interop_kind
;
1035 /* Array specification. */
1038 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1040 array_type type
, cotype
;
1041 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1043 /* These two fields are used with the Cray Pointer extension. */
1044 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1045 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1046 AS_EXPLICIT, but we want to remember that we
1053 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1056 /* Components of derived types. */
1057 typedef struct gfc_component
1062 symbol_attribute attr
;
1066 /* Used to cache a FIELD_DECL matching this same component
1067 but applied to a different backend containing type that was
1068 generated by gfc_nonrestricted_type. */
1069 tree norestrict_decl
;
1071 struct gfc_expr
*initializer
;
1072 /* Used in parameterized derived type declarations to store parameterized
1073 kind expressions. */
1074 struct gfc_expr
*kind_expr
;
1075 struct gfc_actual_arglist
*param_list
;
1077 struct gfc_component
*next
;
1079 /* Needed for procedure pointer components. */
1080 struct gfc_typebound_proc
*tb
;
1081 /* When allocatable/pointer and in a coarray the associated token. */
1087 #define gfc_get_component() XCNEW (gfc_component)
1089 /* Formal argument lists are lists of symbols. */
1090 typedef struct gfc_formal_arglist
1092 /* Symbol representing the argument at this position in the arglist. */
1093 struct gfc_symbol
*sym
;
1094 /* Points to the next formal argument. */
1095 struct gfc_formal_arglist
*next
;
1099 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1102 /* The gfc_actual_arglist structure is for actual arguments and
1103 for type parameter specification lists. */
1104 typedef struct gfc_actual_arglist
1107 /* Alternate return label when the expr member is null. */
1108 struct gfc_st_label
*label
;
1110 /* This is set to the type of an eventual omitted optional
1111 argument. This is used to determine if a hidden string length
1112 argument has to be added to a function call. */
1113 bt missing_arg_type
;
1115 gfc_param_spec_type spec_type
;
1117 struct gfc_expr
*expr
;
1118 struct gfc_actual_arglist
*next
;
1122 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1125 /* Because a symbol can belong to multiple namelists, they must be
1126 linked externally to the symbol itself. */
1127 typedef struct gfc_namelist
1129 struct gfc_symbol
*sym
;
1130 struct gfc_namelist
*next
;
1134 #define gfc_get_namelist() XCNEW (gfc_namelist)
1136 /* Likewise to gfc_namelist, but contains expressions. */
1137 typedef struct gfc_expr_list
1139 struct gfc_expr
*expr
;
1140 struct gfc_expr_list
*next
;
1144 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1146 enum gfc_omp_reduction_op
1148 OMP_REDUCTION_NONE
= -1,
1149 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1150 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1151 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1152 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1153 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1154 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1155 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1156 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1164 enum gfc_omp_depend_op
1169 OMP_DEPEND_SINK_FIRST
,
1180 OMP_MAP_FORCE_ALLOC
,
1183 OMP_MAP_FORCE_TOFROM
,
1184 OMP_MAP_FORCE_PRESENT
,
1185 OMP_MAP_FORCE_DEVICEPTR
,
1186 OMP_MAP_DEVICE_RESIDENT
,
1190 OMP_MAP_ALWAYS_FROM
,
1191 OMP_MAP_ALWAYS_TOFROM
1194 enum gfc_omp_linear_op
1202 /* For use in OpenMP clauses in case we need extra information
1203 (aligned clause alignment, linear clause step, etc.). */
1205 typedef struct gfc_omp_namelist
1207 struct gfc_symbol
*sym
;
1208 struct gfc_expr
*expr
;
1211 gfc_omp_reduction_op reduction_op
;
1212 gfc_omp_depend_op depend_op
;
1213 gfc_omp_map_op map_op
;
1214 gfc_omp_linear_op linear_op
;
1215 struct gfc_common_head
*common
;
1217 struct gfc_omp_namelist_udr
*udr
;
1218 struct gfc_omp_namelist
*next
;
1223 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1228 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1229 OMP_LIST_FIRSTPRIVATE
,
1230 OMP_LIST_LASTPRIVATE
,
1231 OMP_LIST_COPYPRIVATE
,
1242 OMP_LIST_DEVICE_RESIDENT
,
1244 OMP_LIST_USE_DEVICE
,
1246 OMP_LIST_IS_DEVICE_PTR
,
1247 OMP_LIST_USE_DEVICE_PTR
,
1251 /* Because a symbol can belong to multiple namelists, they must be
1252 linked externally to the symbol itself. */
1254 enum gfc_omp_sched_kind
1264 enum gfc_omp_default_sharing
1266 OMP_DEFAULT_UNKNOWN
,
1268 OMP_DEFAULT_PRIVATE
,
1270 OMP_DEFAULT_FIRSTPRIVATE
,
1274 enum gfc_omp_proc_bind_kind
1276 OMP_PROC_BIND_UNKNOWN
,
1277 OMP_PROC_BIND_MASTER
,
1278 OMP_PROC_BIND_SPREAD
,
1282 enum gfc_omp_cancel_kind
1285 OMP_CANCEL_PARALLEL
,
1286 OMP_CANCEL_SECTIONS
,
1288 OMP_CANCEL_TASKGROUP
1291 enum gfc_omp_if_kind
1298 OMP_IF_TARGET_UPDATE
,
1299 OMP_IF_TARGET_ENTER_DATA
,
1300 OMP_IF_TARGET_EXIT_DATA
,
1304 typedef struct gfc_omp_clauses
1306 struct gfc_expr
*if_expr
;
1307 struct gfc_expr
*final_expr
;
1308 struct gfc_expr
*num_threads
;
1309 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1310 enum gfc_omp_sched_kind sched_kind
;
1311 struct gfc_expr
*chunk_size
;
1312 enum gfc_omp_default_sharing default_sharing
;
1313 int collapse
, orderedc
;
1314 bool nowait
, ordered
, untied
, mergeable
;
1315 bool inbranch
, notinbranch
, defaultmap
, nogroup
;
1316 bool sched_simd
, sched_monotonic
, sched_nonmonotonic
;
1317 bool simd
, threads
, depend_source
;
1318 enum gfc_omp_cancel_kind cancel
;
1319 enum gfc_omp_proc_bind_kind proc_bind
;
1320 struct gfc_expr
*safelen_expr
;
1321 struct gfc_expr
*simdlen_expr
;
1322 struct gfc_expr
*num_teams
;
1323 struct gfc_expr
*device
;
1324 struct gfc_expr
*thread_limit
;
1325 struct gfc_expr
*grainsize
;
1326 struct gfc_expr
*hint
;
1327 struct gfc_expr
*num_tasks
;
1328 struct gfc_expr
*priority
;
1329 struct gfc_expr
*if_exprs
[OMP_IF_LAST
];
1330 enum gfc_omp_sched_kind dist_sched_kind
;
1331 struct gfc_expr
*dist_chunk_size
;
1332 const char *critical_name
;
1335 struct gfc_expr
*async_expr
;
1336 struct gfc_expr
*gang_static_expr
;
1337 struct gfc_expr
*gang_num_expr
;
1338 struct gfc_expr
*worker_expr
;
1339 struct gfc_expr
*vector_expr
;
1340 struct gfc_expr
*num_gangs_expr
;
1341 struct gfc_expr
*num_workers_expr
;
1342 struct gfc_expr
*vector_length_expr
;
1343 gfc_expr_list
*wait_list
;
1344 gfc_expr_list
*tile_list
;
1345 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1346 unsigned wait
:1, par_auto
:1, gang_static
:1;
1352 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1355 /* Node in the linked list used for storing !$oacc declare constructs. */
1357 typedef struct gfc_oacc_declare
1359 struct gfc_oacc_declare
*next
;
1361 gfc_omp_clauses
*clauses
;
1366 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1369 /* Node in the linked list used for storing !$omp declare simd constructs. */
1371 typedef struct gfc_omp_declare_simd
1373 struct gfc_omp_declare_simd
*next
;
1374 locus where
; /* Where the !$omp declare simd construct occurred. */
1376 gfc_symbol
*proc_name
;
1378 gfc_omp_clauses
*clauses
;
1380 gfc_omp_declare_simd
;
1381 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1383 typedef struct gfc_omp_udr
1385 struct gfc_omp_udr
*next
;
1386 locus where
; /* Where the !$omp declare reduction construct occurred. */
1390 gfc_omp_reduction_op rop
;
1392 struct gfc_symbol
*omp_out
;
1393 struct gfc_symbol
*omp_in
;
1394 struct gfc_namespace
*combiner_ns
;
1396 struct gfc_symbol
*omp_priv
;
1397 struct gfc_symbol
*omp_orig
;
1398 struct gfc_namespace
*initializer_ns
;
1401 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1403 typedef struct gfc_omp_namelist_udr
1405 struct gfc_omp_udr
*udr
;
1406 struct gfc_code
*combiner
;
1407 struct gfc_code
*initializer
;
1409 gfc_omp_namelist_udr
;
1410 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1412 /* The gfc_st_label structure is a BBT attached to a namespace that
1413 records the usage of statement labels within that space. */
1415 typedef struct gfc_st_label
1417 BBT_HEADER(gfc_st_label
);
1421 gfc_sl_type defined
, referenced
;
1423 struct gfc_expr
*format
;
1434 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1435 typedef struct gfc_interface
1437 struct gfc_symbol
*sym
;
1439 struct gfc_interface
*next
;
1443 #define gfc_get_interface() XCNEW (gfc_interface)
1445 /* User operator nodes. These are like stripped down symbols. */
1451 struct gfc_namespace
*ns
;
1457 /* A list of specific bindings that are associated with a generic spec. */
1458 typedef struct gfc_tbp_generic
1460 /* The parser sets specific_st, upon resolution we look for the corresponding
1461 gfc_typebound_proc and set specific for further use. */
1462 struct gfc_symtree
* specific_st
;
1463 struct gfc_typebound_proc
* specific
;
1465 struct gfc_tbp_generic
* next
;
1470 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1473 /* Data needed for type-bound procedures. */
1474 typedef struct gfc_typebound_proc
1476 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1480 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1481 gfc_tbp_generic
* generic
;
1486 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1488 /* The overridden type-bound proc (or GENERIC with this name in the
1489 parent-type) or NULL if non. */
1490 struct gfc_typebound_proc
* overridden
;
1492 /* Once resolved, we use the position of pass_arg in the formal arglist of
1493 the binding-target procedure to identify it. The first argument has
1494 number 1 here, the second 2, and so on. */
1495 unsigned pass_arg_num
;
1497 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1498 unsigned non_overridable
:1;
1499 unsigned deferred
:1;
1500 unsigned is_generic
:1;
1501 unsigned function
:1, subroutine
:1;
1502 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1508 /* Symbol nodes. These are important things. They are what the
1509 standard refers to as "entities". The possibly multiple names that
1510 refer to the same entity are accomplished by a binary tree of
1511 symtree structures that is balanced by the red-black method-- more
1512 than one symtree node can point to any given symbol. */
1514 typedef struct gfc_symbol
1516 const char *name
; /* Primary name, before renaming */
1517 const char *module
; /* Module this symbol came from */
1521 symbol_attribute attr
;
1523 /* The formal member points to the formal argument list if the
1524 symbol is a function or subroutine name. If the symbol is a
1525 generic name, the generic member points to the list of
1528 gfc_interface
*generic
;
1529 gfc_access component_access
;
1531 gfc_formal_arglist
*formal
;
1532 struct gfc_namespace
*formal_ns
;
1533 struct gfc_namespace
*f2k_derived
;
1535 /* List of PDT parameter expressions */
1536 struct gfc_actual_arglist
*param_list
;
1538 struct gfc_expr
*value
; /* Parameter/Initializer value */
1540 struct gfc_symbol
*result
; /* function result symbol */
1541 gfc_component
*components
; /* Derived type components */
1543 /* Defined only for Cray pointees; points to their pointer. */
1544 struct gfc_symbol
*cp_pointer
;
1546 int entry_id
; /* Used in resolve.c for entries. */
1548 /* CLASS hashed name for declared and dynamic types in the class. */
1551 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1553 /* This is only used for pointer comparisons to check if symbols
1554 are in the same common block.
1555 In opposition to common_block, the common_head pointer takes into account
1556 equivalences: if A is in a common block C and A and B are in equivalence,
1557 then both A and B have common_head pointing to C, while A's common_block
1558 points to C and B's is NULL. */
1559 struct gfc_common_head
* common_head
;
1561 /* Make sure setup code for dummy arguments is generated in the correct
1565 gfc_namelist
*namelist
, *namelist_tail
;
1567 /* Change management fields. Symbols that might be modified by the
1568 current statement have the mark member nonzero. Of these symbols,
1569 symbols with old_symbol equal to NULL are symbols created within
1570 the current statement. Otherwise, old_symbol points to a copy of
1571 the old symbol. gfc_new is used in symbol.c to flag new symbols. */
1572 struct gfc_symbol
*old_symbol
;
1573 unsigned mark
:1, gfc_new
:1;
1575 /* The tlink field is used in the front end to carry the module
1576 declaration of separate module procedures so that the characteristics
1577 can be compared with the corresponding declaration in a submodule. In
1578 translation this field carries a linked list of symbols that require
1579 deferred initialization. */
1580 struct gfc_symbol
*tlink
;
1582 /* Nonzero if all equivalences associated with this symbol have been
1584 unsigned equiv_built
:1;
1585 /* Set if this variable is used as an index name in a FORALL. */
1586 unsigned forall_index
:1;
1587 /* Set if the symbol is used in a function result specification . */
1588 unsigned fn_result_spec
:1;
1589 /* Used to avoid multiple resolutions of a single symbol. */
1590 unsigned resolved
:1;
1591 /* Set if this is a module function or subroutine with the
1592 abreviated declaration in a submodule. */
1593 unsigned abr_modproc_decl
:1;
1596 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1600 /* Identity of the intrinsic module the symbol comes from, or
1601 INTMOD_NONE if it's not imported from a intrinsic module. */
1602 intmod_id from_intmod
;
1603 /* Identity of the symbol from intrinsic modules, from enums maintained
1604 separately by each intrinsic module. Used together with from_intmod,
1605 it uniquely identifies a symbol from an intrinsic module. */
1608 /* This may be repetitive, since the typespec now has a binding
1610 const char* binding_label
;
1611 /* Store a reference to the common_block, if this symbol is in one. */
1612 struct gfc_common_head
*common_block
;
1614 /* Link to corresponding association-list if this is an associate name. */
1615 struct gfc_association_list
*assoc
;
1620 struct gfc_undo_change_set
1622 vec
<gfc_symbol
*> syms
;
1623 vec
<gfc_typebound_proc
*> tbps
;
1624 gfc_undo_change_set
*previous
;
1628 /* This structure is used to keep track of symbols in common blocks. */
1629 typedef struct gfc_common_head
1632 char use_assoc
, saved
, threadprivate
;
1633 unsigned char omp_declare_target
: 1;
1634 unsigned char omp_declare_target_link
: 1;
1635 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1636 struct gfc_symbol
*head
;
1637 const char* binding_label
;
1643 #define gfc_get_common_head() XCNEW (gfc_common_head)
1646 /* A list of all the alternate entry points for a procedure. */
1648 typedef struct gfc_entry_list
1650 /* The symbol for this entry point. */
1652 /* The zero-based id of this entry point. */
1654 /* The LABEL_EXPR marking this entry point. */
1656 /* The next item in the list. */
1657 struct gfc_entry_list
*next
;
1661 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1663 /* Lists of rename info for the USE statement. */
1665 typedef struct gfc_use_rename
1667 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1668 struct gfc_use_rename
*next
;
1670 gfc_intrinsic_op op
;
1675 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1677 /* A list of all USE statements in a namespace. */
1679 typedef struct gfc_use_list
1681 const char *module_name
;
1682 const char *submodule_name
;
1686 struct gfc_use_rename
*rename
;
1688 /* Next USE statement. */
1689 struct gfc_use_list
*next
;
1693 #define gfc_get_use_list() XCNEW (gfc_use_list)
1695 /* Within a namespace, symbols are pointed to by symtree nodes that
1696 are linked together in a balanced binary tree. There can be
1697 several symtrees pointing to the same symbol node via USE
1700 typedef struct gfc_symtree
1702 BBT_HEADER (gfc_symtree
);
1707 gfc_symbol
*sym
; /* Symbol associated with this node */
1709 gfc_common_head
*common
;
1710 gfc_typebound_proc
*tb
;
1711 gfc_omp_udr
*omp_udr
;
1717 /* A linked list of derived types in the namespace. */
1718 typedef struct gfc_dt_list
1720 struct gfc_symbol
*derived
;
1721 struct gfc_dt_list
*next
;
1725 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1727 /* A list of all derived types. */
1728 extern gfc_dt_list
*gfc_derived_types
;
1730 typedef struct gfc_oacc_routine_name
1732 struct gfc_symbol
*sym
;
1733 struct gfc_omp_clauses
*clauses
;
1734 struct gfc_oacc_routine_name
*next
;
1736 gfc_oacc_routine_name
;
1738 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1740 /* A namespace describes the contents of procedure, module, interface block
1741 or BLOCK construct. */
1742 /* ??? Anything else use these? */
1744 typedef struct gfc_namespace
1746 /* Tree containing all the symbols in this namespace. */
1747 gfc_symtree
*sym_root
;
1748 /* Tree containing all the user-defined operators in the namespace. */
1749 gfc_symtree
*uop_root
;
1750 /* Tree containing all the common blocks. */
1751 gfc_symtree
*common_root
;
1752 /* Tree containing all the OpenMP user defined reductions. */
1753 gfc_symtree
*omp_udr_root
;
1755 /* Tree containing type-bound procedures. */
1756 gfc_symtree
*tb_sym_root
;
1757 /* Type-bound user operators. */
1758 gfc_symtree
*tb_uop_root
;
1759 /* For derived-types, store type-bound intrinsic operators here. */
1760 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1761 /* Linked list of finalizer procedures. */
1762 struct gfc_finalizer
*finalizers
;
1764 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1765 int set_flag
[GFC_LETTERS
];
1766 /* Keeps track of the implicit types associated with the letters. */
1767 gfc_typespec default_type
[GFC_LETTERS
];
1768 /* Store the positions of IMPLICIT statements. */
1769 locus implicit_loc
[GFC_LETTERS
];
1771 /* If this is a namespace of a procedure, this points to the procedure. */
1772 struct gfc_symbol
*proc_name
;
1773 /* If this is the namespace of a unit which contains executable
1774 code, this points to it. */
1775 struct gfc_code
*code
;
1777 /* Points to the equivalences set up in this namespace. */
1778 struct gfc_equiv
*equiv
, *old_equiv
;
1780 /* Points to the equivalence groups produced by trans_common. */
1781 struct gfc_equiv_list
*equiv_lists
;
1783 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1785 /* Points to the parent namespace, i.e. the namespace of a module or
1786 procedure in which the procedure belonging to this namespace is
1787 contained. The parent namespace points to this namespace either
1788 directly via CONTAINED, or indirectly via the chain built by
1790 struct gfc_namespace
*parent
;
1791 /* CONTAINED points to the first contained namespace. Sibling
1792 namespaces are chained via SIBLING. */
1793 struct gfc_namespace
*contained
, *sibling
;
1795 gfc_common_head blank_common
;
1796 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1798 gfc_st_label
*st_labels
;
1799 /* This list holds information about all the data initializers in
1801 struct gfc_data
*data
, *old_data
;
1803 /* !$ACC DECLARE. */
1804 gfc_oacc_declare
*oacc_declare
;
1806 /* !$ACC ROUTINE clauses. */
1807 gfc_omp_clauses
*oacc_routine_clauses
;
1809 /* !$ACC ROUTINE names. */
1810 gfc_oacc_routine_name
*oacc_routine_names
;
1812 gfc_charlen
*cl_list
;
1814 gfc_dt_list
*derived_types
;
1816 int save_all
, seen_save
, seen_implicit_none
;
1818 /* Normally we don't need to refcount namespaces. However when we read
1819 a module containing a function with multiple entry points, this
1820 will appear as several functions with the same formal namespace. */
1823 /* A list of all alternate entry points to this procedure (or NULL). */
1824 gfc_entry_list
*entries
;
1826 /* A list of USE statements in this namespace. */
1827 gfc_use_list
*use_stmts
;
1829 /* Linked list of !$omp declare simd constructs. */
1830 struct gfc_omp_declare_simd
*omp_declare_simd
;
1832 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1833 unsigned is_block_data
:1;
1835 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1836 unsigned has_import_set
:1;
1838 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1839 unsigned has_implicit_none_export
:1;
1841 /* Set to 1 if resolved has been called for this namespace.
1842 Holds -1 during resolution. */
1845 /* Set when resolve_types has been called for this namespace. */
1846 unsigned types_resolved
:1;
1848 /* Set to 1 if code has been generated for this namespace. */
1849 unsigned translated
:1;
1851 /* Set to 1 if symbols in this namespace should be 'construct entities',
1852 i.e. for BLOCK local variables. */
1853 unsigned construct_entities
:1;
1855 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1856 unsigned omp_udr_ns
:1;
1858 /* Set to 1 for !$ACC ROUTINE namespaces. */
1859 unsigned oacc_routine
:1;
1861 /* Set to 1 if there are any calls to procedures with implicit interface. */
1862 unsigned implicit_interface_calls
:1;
1866 extern gfc_namespace
*gfc_current_ns
;
1867 extern gfc_namespace
*gfc_global_ns_list
;
1869 /* Global symbols are symbols of global scope. Currently we only use
1870 this to detect collisions already when parsing.
1871 TODO: Extend to verify procedure calls. */
1873 enum gfc_symbol_type
1875 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1876 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1879 typedef struct gfc_gsymbol
1881 BBT_HEADER(gfc_gsymbol
);
1884 const char *sym_name
;
1885 const char *mod_name
;
1886 const char *binding_label
;
1887 enum gfc_symbol_type type
;
1896 extern gfc_gsymbol
*gfc_gsym_root
;
1898 /* Information on interfaces being built. */
1901 interface_type type
;
1905 gfc_intrinsic_op op
;
1909 extern gfc_interface_info current_interface
;
1912 /* Array reference. */
1914 enum gfc_array_ref_dimen_type
1916 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1919 typedef struct gfc_array_ref
1922 int dimen
; /* # of components in the reference */
1924 bool in_allocate
; /* For coarray checks. */
1930 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1931 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1932 *stride
[GFC_MAX_DIMENSIONS
];
1934 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1938 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1941 /* Component reference nodes. A variable is stored as an expression
1942 node that points to the base symbol. After that, a singly linked
1943 list of component reference nodes gives the variable's complete
1944 resolution. The array_ref component may be present and comes
1945 before the component component. */
1948 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
};
1950 typedef struct gfc_ref
1956 struct gfc_array_ref ar
;
1960 gfc_component
*component
;
1967 struct gfc_expr
*start
, *end
; /* Substring */
1968 gfc_charlen
*length
;
1975 struct gfc_ref
*next
;
1979 #define gfc_get_ref() XCNEW (gfc_ref)
1982 /* Structures representing intrinsic symbols and their arguments lists. */
1983 typedef struct gfc_intrinsic_arg
1985 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1988 unsigned optional
:1, value
:1;
1989 ENUM_BITFIELD (sym_intent
) intent
:2;
1990 gfc_actual_arglist
*actual
;
1992 struct gfc_intrinsic_arg
*next
;
1998 /* Specifies the various kinds of check functions used to verify the
1999 argument lists of intrinsic functions. fX with X an integer refer
2000 to check functions of intrinsics with X arguments. f1m is used for
2001 the MAX and MIN intrinsics which can have an arbitrary number of
2002 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2003 these have special semantics. */
2008 bool (*f1
)(struct gfc_expr
*);
2009 bool (*f1m
)(gfc_actual_arglist
*);
2010 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2011 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2012 bool (*f5ml
)(gfc_actual_arglist
*);
2013 bool (*f3red
)(gfc_actual_arglist
*);
2014 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2016 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2017 struct gfc_expr
*, struct gfc_expr
*);
2021 /* Like gfc_check_f, these specify the type of the simplification
2022 function associated with an intrinsic. The fX are just like in
2023 gfc_check_f. cc is used for type conversion functions. */
2027 struct gfc_expr
*(*f0
)(void);
2028 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
2029 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2030 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
2032 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
2033 struct gfc_expr
*, struct gfc_expr
*);
2034 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
2035 struct gfc_expr
*, struct gfc_expr
*,
2037 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
2041 /* Again like gfc_check_f, these specify the type of the resolution
2042 function associated with an intrinsic. The fX are just like in
2043 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2047 void (*f0
)(struct gfc_expr
*);
2048 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
2049 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
2050 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2051 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2053 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2054 struct gfc_expr
*, struct gfc_expr
*);
2055 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2056 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2057 void (*s1
)(struct gfc_code
*);
2062 typedef struct gfc_intrinsic_sym
2064 const char *name
, *lib_name
;
2065 gfc_intrinsic_arg
*formal
;
2067 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
2068 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
2069 from_module
:1, vararg
:1;
2073 gfc_simplify_f simplify
;
2075 gfc_resolve_f resolve
;
2076 struct gfc_intrinsic_sym
*specific_head
, *next
;
2083 /* Expression nodes. The expression node types deserve explanations,
2084 since the last couple can be easily misconstrued:
2086 EXPR_OP Operator node pointing to one or two other nodes
2087 EXPR_FUNCTION Function call, symbol points to function's name
2088 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2089 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2090 which expresses structure, array and substring refs.
2091 EXPR_NULL The NULL pointer value (which also has a basic type).
2092 EXPR_SUBSTRING A substring of a constant string
2093 EXPR_STRUCTURE A structure constructor
2094 EXPR_ARRAY An array constructor.
2095 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2096 component or type-bound procedure. */
2100 #define GFC_RND_MODE GMP_RNDN
2101 #define GFC_MPC_RND_MODE MPC_RNDNN
2103 typedef splay_tree gfc_constructor_base
;
2106 /* This should be an unsigned variable of type size_t. But to handle
2107 compiling to a 64-bit target from a 32-bit host, we need to use a
2108 HOST_WIDE_INT. Also, occasionally the string length field is used
2109 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2110 So it needs to be signed. */
2111 typedef HOST_WIDE_INT gfc_charlen_t
;
2113 typedef struct gfc_expr
2117 gfc_typespec ts
; /* These two refer to the overall expression */
2119 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
2120 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
2122 /* Nonnull for functions and structure constructors, may also used to hold the
2123 base-object for component calls. */
2124 gfc_symtree
*symtree
;
2130 /* Used to store the base expression in component calls, when the expression
2131 is not a variable. */
2132 struct gfc_expr
*base_expr
;
2134 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
2135 denotes a signalling not-a-number. */
2136 unsigned int is_boz
: 1, is_snan
: 1;
2138 /* Sometimes, when an error has been emitted, it is necessary to prevent
2139 it from recurring. */
2140 unsigned int error
: 1;
2142 /* Mark an expression where a user operator has been substituted by
2143 a function call in interface.c(gfc_extend_expr). */
2144 unsigned int user_operator
: 1;
2146 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2147 unsigned int mold
: 1;
2149 /* Will require finalization after use. */
2150 unsigned int must_finalize
: 1;
2152 /* Set this if no warning should be given somewhere in a lower level. */
2154 unsigned int do_not_warn
: 1;
2155 /* If an expression comes from a Hollerith constant or compile-time
2156 evaluation of a transfer statement, it may have a prescribed target-
2157 memory representation, and these cannot always be backformed from
2161 gfc_charlen_t length
;
2180 gfc_intrinsic_op op
;
2182 struct gfc_expr
*op1
, *op2
;
2188 gfc_actual_arglist
*actual
;
2189 const char *name
; /* Points to the ultimate name of the function */
2190 gfc_intrinsic_sym
*isym
;
2197 gfc_actual_arglist
* actual
;
2199 /* Base-object, whose component was called. NULL means that it should
2200 be taken from symtree/ref. */
2201 struct gfc_expr
* base_object
;
2202 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2204 /* For type-bound operators, we want to call PASS procedures but already
2205 have the full arglist; mark this, so that it is not extended by the
2207 unsigned ignore_pass
:1;
2209 /* Do assign-calls rather than calls, that is appropriate dependency
2217 gfc_charlen_t length
;
2222 gfc_constructor_base constructor
;
2226 /* Used to store PDT expression lists associated with expressions. */
2227 gfc_actual_arglist
*param_list
;
2233 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2235 /* Structures for information associated with different kinds of
2236 numbers. The first set of integer parameters define all there is
2237 to know about a particular kind. The rest of the elements are
2238 computed from the first elements. */
2242 /* Values really representable by the target. */
2243 mpz_t huge
, pedantic_min_int
, min_int
;
2245 int kind
, radix
, digits
, bit_size
, range
;
2247 /* True if the C type of the given name maps to this precision.
2248 Note that more than one bit can be set. */
2249 unsigned int c_char
: 1;
2250 unsigned int c_short
: 1;
2251 unsigned int c_int
: 1;
2252 unsigned int c_long
: 1;
2253 unsigned int c_long_long
: 1;
2257 extern gfc_integer_info gfc_integer_kinds
[];
2264 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2265 unsigned int c_bool
: 1;
2269 extern gfc_logical_info gfc_logical_kinds
[];
2274 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2275 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2276 int range
, precision
;
2278 /* The precision of the type as reported by GET_MODE_PRECISION. */
2281 /* True if the C type of the given name maps to this precision.
2282 Note that more than one bit can be set. */
2283 unsigned int c_float
: 1;
2284 unsigned int c_double
: 1;
2285 unsigned int c_long_double
: 1;
2286 unsigned int c_float128
: 1;
2290 extern gfc_real_info gfc_real_kinds
[];
2299 extern gfc_character_info gfc_character_kinds
[];
2302 /* Equivalence structures. Equivalent lvalues are linked along the
2303 *eq pointer, equivalence sets are strung along the *next node. */
2304 typedef struct gfc_equiv
2306 struct gfc_equiv
*next
, *eq
;
2313 #define gfc_get_equiv() XCNEW (gfc_equiv)
2315 /* Holds a single equivalence member after processing. */
2316 typedef struct gfc_equiv_info
2319 HOST_WIDE_INT offset
;
2320 HOST_WIDE_INT length
;
2321 struct gfc_equiv_info
*next
;
2324 /* Holds equivalence groups, after they have been processed. */
2325 typedef struct gfc_equiv_list
2327 gfc_equiv_info
*equiv
;
2328 struct gfc_equiv_list
*next
;
2331 /* gfc_case stores the selector list of a case statement. The *low
2332 and *high pointers can point to the same expression in the case of
2333 a single value. If *high is NULL, the selection is from *low
2334 upwards, if *low is NULL the selection is *high downwards.
2336 This structure has separate fields to allow single and double linked
2337 lists of CASEs at the same time. The singe linked list along the NEXT
2338 field is a list of cases for a single CASE label. The double linked
2339 list along the LEFT/RIGHT fields is used to detect overlap and to
2340 build a table of the cases for SELECT constructs with a CHARACTER
2343 typedef struct gfc_case
2345 /* Where we saw this case. */
2349 /* Case range values. If (low == high), it's a single value. If one of
2350 the labels is NULL, it's an unbounded case. If both are NULL, this
2351 represents the default case. */
2352 gfc_expr
*low
, *high
;
2354 /* Only used for SELECT TYPE. */
2357 /* Next case label in the list of cases for a single CASE label. */
2358 struct gfc_case
*next
;
2360 /* Used for detecting overlap, and for code generation. */
2361 struct gfc_case
*left
, *right
;
2363 /* True if this case label can never be matched. */
2368 #define gfc_get_case() XCNEW (gfc_case)
2373 gfc_expr
*var
, *start
, *end
, *step
;
2374 unsigned short unroll
;
2378 #define gfc_get_iterator() XCNEW (gfc_iterator)
2381 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2383 typedef struct gfc_alloc
2386 struct gfc_alloc
*next
;
2390 #define gfc_get_alloc() XCNEW (gfc_alloc)
2395 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2396 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2397 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
,
2407 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2415 gfc_expr
*unit
, *iostat
, *iomsg
;
2423 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2424 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2425 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2426 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2427 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2428 *iqstream
, *share
, *cc
;
2438 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2439 gfc_st_label
*err
, *end
, *eor
;
2446 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2447 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2448 *sign
, *extra_comma
, *dt_io_kind
, *udtio
;
2451 gfc_symbol
*namelist
;
2452 /* A format_label of `format_asterisk' indicates the "*" format */
2453 gfc_st_label
*format_label
;
2454 gfc_st_label
*err
, *end
, *eor
;
2456 locus eor_where
, end_where
, err_where
;
2461 typedef struct gfc_forall_iterator
2463 gfc_expr
*var
, *start
, *end
, *stride
;
2464 struct gfc_forall_iterator
*next
;
2466 gfc_forall_iterator
;
2469 /* Linked list to store associations in an ASSOCIATE statement. */
2471 typedef struct gfc_association_list
2473 struct gfc_association_list
*next
;
2475 /* Whether this is association to a variable that can be changed; otherwise,
2476 it's association to an expression and the name may not be used as
2478 unsigned variable
:1;
2480 /* True if this struct is currently only linked to from a gfc_symbol rather
2481 than as part of a real list in gfc_code->ext.block.assoc. This may
2482 happen for SELECT TYPE temporaries and must be considered
2483 for memory handling. */
2484 unsigned dangling
:1;
2486 /* True when the rank of the target expression is guessed during parsing. */
2487 unsigned rankguessed
:1;
2489 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2490 gfc_symtree
*st
; /* Symtree corresponding to name. */
2495 gfc_association_list
;
2496 #define gfc_get_association_list() XCNEW (gfc_association_list)
2499 /* Executable statements that fill gfc_code structures. */
2502 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2503 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2504 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2505 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2506 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2507 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2508 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2509 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2510 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2511 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2512 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2513 EXEC_FORM_TEAM
, EXEC_CHANGE_TEAM
, EXEC_END_TEAM
, EXEC_SYNC_TEAM
,
2514 EXEC_LOCK
, EXEC_UNLOCK
, EXEC_EVENT_POST
, EXEC_EVENT_WAIT
, EXEC_FAIL_IMAGE
,
2515 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
, EXEC_OACC_ROUTINE
,
2516 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2517 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2518 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
, EXEC_OACC_ATOMIC
,
2520 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2521 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2522 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2523 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2524 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2525 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2526 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2527 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2528 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2529 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2530 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2531 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2532 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2533 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2534 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2535 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2536 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2537 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2538 EXEC_OMP_TARGET_UPDATE
, EXEC_OMP_END_CRITICAL
,
2539 EXEC_OMP_TARGET_ENTER_DATA
, EXEC_OMP_TARGET_EXIT_DATA
,
2540 EXEC_OMP_TARGET_PARALLEL
, EXEC_OMP_TARGET_PARALLEL_DO
,
2541 EXEC_OMP_TARGET_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET_SIMD
,
2542 EXEC_OMP_TASKLOOP
, EXEC_OMP_TASKLOOP_SIMD
2545 enum gfc_omp_atomic_op
2547 GFC_OMP_ATOMIC_UPDATE
= 0,
2548 GFC_OMP_ATOMIC_READ
= 1,
2549 GFC_OMP_ATOMIC_WRITE
= 2,
2550 GFC_OMP_ATOMIC_CAPTURE
= 3,
2551 GFC_OMP_ATOMIC_MASK
= 3,
2552 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2553 GFC_OMP_ATOMIC_SWAP
= 8
2556 typedef struct gfc_code
2560 struct gfc_code
*block
, *next
;
2563 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2564 gfc_symtree
*symtree
;
2565 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2566 /* A name isn't sufficient to identify a subroutine, we need the actual
2567 symbol for the interface definition.
2568 const char *sub_name; */
2569 gfc_symbol
*resolved_sym
;
2570 gfc_intrinsic_sym
*resolved_isym
;
2574 gfc_actual_arglist
*actual
;
2575 gfc_iterator
*iterator
;
2581 /* Take the array specification from expr3 to allocate arrays
2582 without an explicit array specification. */
2583 unsigned arr_spec_from_expr3
:1;
2590 gfc_association_list
*assoc
;
2591 gfc_case
*case_list
;
2597 gfc_filepos
*filepos
;
2598 gfc_inquire
*inquire
;
2601 gfc_forall_iterator
*forall_iterator
;
2602 struct gfc_code
*which_construct
;
2604 gfc_entry_list
*entry
;
2605 gfc_oacc_declare
*oacc_declare
;
2606 gfc_omp_clauses
*omp_clauses
;
2607 const char *omp_name
;
2608 gfc_omp_namelist
*omp_namelist
;
2610 gfc_omp_atomic_op omp_atomic
;
2612 ext
; /* Points to additional structures required by statement */
2614 /* Cycle and break labels in constructs. */
2621 /* Storage for DATA statements. */
2622 typedef struct gfc_data_variable
2626 struct gfc_data_variable
*list
, *next
;
2631 typedef struct gfc_data_value
2635 struct gfc_data_value
*next
;
2640 typedef struct gfc_data
2642 gfc_data_variable
*var
;
2643 gfc_data_value
*value
;
2646 struct gfc_data
*next
;
2651 /* Structure for holding compile options */
2655 gfc_source_form source_form
;
2656 int max_continue_fixed
;
2657 int max_continue_free
;
2658 int max_identifier_length
;
2662 int flag_preprocessed
;
2664 int flag_init_integer
;
2665 int flag_init_integer_value
;
2666 int flag_init_logical
;
2667 int flag_init_character
;
2668 char flag_init_character_value
;
2679 extern gfc_option_t gfc_option
;
2681 /* Constructor nodes for array and structure constructors. */
2682 typedef struct gfc_constructor
2684 gfc_constructor_base base
;
2685 mpz_t offset
; /* Offset within a constructor, used as
2689 gfc_iterator
*iterator
;
2694 gfc_component
*component
; /* Record the component being initialized. */
2697 mpz_t repeat
; /* Record the repeat number of initial values in data
2698 statement like "data a/5*10/". */
2703 typedef struct iterator_stack
2705 gfc_symtree
*variable
;
2707 struct iterator_stack
*prev
;
2710 extern iterator_stack
*iter_stack
;
2713 /* Used for (possibly nested) SELECT TYPE statements. */
2714 typedef struct gfc_select_type_stack
2716 gfc_symbol
*selector
; /* Current selector variable. */
2717 gfc_symtree
*tmp
; /* Current temporary variable. */
2718 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2720 gfc_select_type_stack
;
2721 extern gfc_select_type_stack
*select_type_stack
;
2722 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2725 /* Node in the linked list used for storing finalizer procedures. */
2727 typedef struct gfc_finalizer
2729 struct gfc_finalizer
* next
;
2730 locus where
; /* Where the FINAL declaration occurred. */
2732 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2733 symtree and later need only that. This way, we can access and call the
2734 finalizers from every context as they should be "always accessible". I
2735 don't make this a union because we need the information whether proc_sym is
2736 still referenced or not for dereferencing it on deleting a gfc_finalizer
2738 gfc_symbol
* proc_sym
;
2739 gfc_symtree
* proc_tree
;
2742 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2745 /************************ Function prototypes *************************/
2748 bool gfc_in_match_data (void);
2749 match
gfc_match_char_spec (gfc_typespec
*);
2750 extern int directive_unroll
;
2752 /* Handling Parameterized Derived Types */
2753 bool gfc_insert_kind_parameter_exprs (gfc_expr
*);
2754 bool gfc_insert_parameter_exprs (gfc_expr
*, gfc_actual_arglist
*);
2755 match
gfc_get_pdt_instance (gfc_actual_arglist
*, gfc_symbol
**,
2756 gfc_actual_arglist
**);
2759 void gfc_scanner_done_1 (void);
2760 void gfc_scanner_init_1 (void);
2762 void gfc_add_include_path (const char *, bool, bool, bool);
2763 void gfc_add_intrinsic_modules_path (const char *);
2764 void gfc_release_include_path (void);
2765 FILE *gfc_open_included_file (const char *, bool, bool);
2767 int gfc_at_end (void);
2768 int gfc_at_eof (void);
2769 int gfc_at_bol (void);
2770 int gfc_at_eol (void);
2771 void gfc_advance_line (void);
2772 int gfc_check_include (void);
2773 int gfc_define_undef_line (void);
2775 int gfc_wide_is_printable (gfc_char_t
);
2776 int gfc_wide_is_digit (gfc_char_t
);
2777 int gfc_wide_fits_in_byte (gfc_char_t
);
2778 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2779 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2780 size_t gfc_wide_strlen (const gfc_char_t
*);
2781 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2782 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2783 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2784 gfc_char_t
*gfc_char_to_widechar (const char *);
2786 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2788 void gfc_skip_comments (void);
2789 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2790 gfc_char_t
gfc_next_char (void);
2791 char gfc_next_ascii_char (void);
2792 gfc_char_t
gfc_peek_char (void);
2793 char gfc_peek_ascii_char (void);
2794 void gfc_error_recovery (void);
2795 void gfc_gobble_whitespace (void);
2796 bool gfc_new_file (void);
2797 const char * gfc_read_orig_filename (const char *, const char **);
2799 extern gfc_source_form gfc_current_form
;
2800 extern const char *gfc_source_file
;
2801 extern locus gfc_current_locus
;
2803 void gfc_start_source_files (void);
2804 void gfc_end_source_files (void);
2807 void gfc_clear_ts (gfc_typespec
*);
2808 FILE *gfc_open_file (const char *);
2809 const char *gfc_basic_typename (bt
);
2810 const char *gfc_typename (gfc_typespec
*);
2811 const char *gfc_op2string (gfc_intrinsic_op
);
2812 const char *gfc_code2string (const mstring
*, int);
2813 int gfc_string2code (const mstring
*, const char *);
2814 const char *gfc_intent_string (sym_intent
);
2816 void gfc_init_1 (void);
2817 void gfc_init_2 (void);
2818 void gfc_done_1 (void);
2819 void gfc_done_2 (void);
2821 int get_c_kind (const char *, CInteropKind_t
*);
2823 const char *gfc_closest_fuzzy_match (const char *, char **);
2825 vec_push (char **&optr
, size_t &osz
, const char *elt
)
2827 /* {auto,}vec.safe_push () replacement. Don't ask.. */
2828 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
2829 optr
= XRESIZEVEC (char *, optr
, osz
+ 2);
2830 optr
[osz
] = CONST_CAST (char *, elt
);
2834 HOST_WIDE_INT
gfc_mpz_get_hwi (mpz_t
);
2835 void gfc_mpz_set_hwi (mpz_t
, const HOST_WIDE_INT
);
2838 unsigned int gfc_option_lang_mask (void);
2839 void gfc_init_options_struct (struct gcc_options
*);
2840 void gfc_init_options (unsigned int,
2841 struct cl_decoded_option
*);
2842 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2843 const struct cl_option_handlers
*);
2844 bool gfc_post_options (const char **);
2845 char *gfc_get_option_string (void);
2848 void gfc_maybe_initialize_eh (void);
2851 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2852 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2855 void gfc_error_init_1 (void);
2856 void gfc_diagnostics_init (void);
2857 void gfc_diagnostics_finish (void);
2858 void gfc_buffer_error (bool);
2860 const char *gfc_print_wide_char (gfc_char_t
);
2862 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2863 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2864 bool gfc_warning_internal (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2865 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2866 ATTRIBUTE_GCC_GFC(3,4);
2868 void gfc_clear_warning (void);
2869 void gfc_warning_check (void);
2871 void gfc_error_opt (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2872 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2873 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2874 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2875 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2876 void gfc_clear_error (void);
2877 bool gfc_error_check (void);
2878 bool gfc_error_flag_test (void);
2880 notification
gfc_notification_std (int);
2881 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2883 /* A general purpose syntax error. */
2884 #define gfc_syntax_error(ST) \
2885 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2887 #include "pretty-print.h" /* For output_buffer. */
2888 struct gfc_error_buffer
2891 output_buffer buffer
;
2892 gfc_error_buffer(void) : flag(false), buffer() {}
2895 void gfc_push_error (gfc_error_buffer
*);
2896 void gfc_pop_error (gfc_error_buffer
*);
2897 void gfc_free_error (gfc_error_buffer
*);
2899 void gfc_get_errors (int *, int *);
2900 void gfc_errors_to_warnings (bool);
2903 void gfc_arith_init_1 (void);
2904 void gfc_arith_done_1 (void);
2905 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2906 bool gfc_check_character_range (gfc_char_t
, int);
2909 bool gfc_check_any_c_kind (gfc_typespec
*);
2910 int gfc_validate_kind (bt
, int, bool);
2911 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2912 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2913 tree
gfc_get_union_type (gfc_symbol
*);
2914 tree
gfc_get_derived_type (gfc_symbol
* derived
, int codimen
= 0);
2915 extern int gfc_index_integer_kind
;
2916 extern int gfc_default_integer_kind
;
2917 extern int gfc_max_integer_kind
;
2918 extern int gfc_default_real_kind
;
2919 extern int gfc_default_double_kind
;
2920 extern int gfc_default_character_kind
;
2921 extern int gfc_default_logical_kind
;
2922 extern int gfc_default_complex_kind
;
2923 extern int gfc_c_int_kind
;
2924 extern int gfc_atomic_int_kind
;
2925 extern int gfc_atomic_logical_kind
;
2926 extern int gfc_intio_kind
;
2927 extern int gfc_charlen_int_kind
;
2928 extern int gfc_size_kind
;
2929 extern int gfc_numeric_storage_size
;
2930 extern int gfc_character_storage_size
;
2932 #define gfc_logical_4_kind 4
2933 #define gfc_integer_4_kind 4
2936 void gfc_clear_new_implicit (void);
2937 bool gfc_add_new_implicit_range (int, int);
2938 bool gfc_merge_new_implicit (gfc_typespec
*);
2939 void gfc_set_implicit_none (bool, bool, locus
*);
2940 void gfc_check_function_type (gfc_namespace
*);
2941 bool gfc_is_intrinsic_typename (const char *);
2943 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2944 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2946 void gfc_set_sym_referenced (gfc_symbol
*);
2948 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2949 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2950 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2951 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2952 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2953 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2954 bool gfc_add_external (symbol_attribute
*, locus
*);
2955 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2956 bool gfc_add_optional (symbol_attribute
*, locus
*);
2957 bool gfc_add_kind (symbol_attribute
*, locus
*);
2958 bool gfc_add_len (symbol_attribute
*, locus
*);
2959 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2960 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2961 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2962 match
gfc_mod_pointee_as (gfc_array_spec
*);
2963 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2964 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2965 bool gfc_add_automatic (symbol_attribute
*, const char *, locus
*);
2966 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2967 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2968 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2969 bool gfc_add_omp_declare_target_link (symbol_attribute
*, const char *,
2971 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2972 bool gfc_add_target (symbol_attribute
*, locus
*);
2973 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2974 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2975 bool gfc_add_common (symbol_attribute
*, locus
*);
2976 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2977 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2978 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2979 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2980 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2981 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2982 bool gfc_add_pure (symbol_attribute
*, locus
*);
2983 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2984 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2985 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2986 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2987 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2988 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2989 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2991 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2992 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2993 bool gfc_add_extension (symbol_attribute
*, locus
*);
2994 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2995 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2996 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2997 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2998 const char *, locus
*);
2999 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
3000 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
3001 gfc_formal_arglist
*, locus
*);
3002 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
3004 void gfc_clear_attr (symbol_attribute
*);
3005 bool gfc_missing_attr (symbol_attribute
*, locus
*);
3006 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
3007 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
3008 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
3009 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
3010 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
3011 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool,
3014 gfc_st_label
*gfc_get_st_label (int);
3015 void gfc_free_st_label (gfc_st_label
*);
3016 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
3017 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
3019 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
3020 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
3021 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
3022 void gfc_delete_symtree (gfc_symtree
**, const char *);
3023 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
3024 gfc_user_op
*gfc_get_uop (const char *);
3025 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
3026 void gfc_free_symbol (gfc_symbol
*);
3027 void gfc_release_symbol (gfc_symbol
*);
3028 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
3029 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
3030 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
3031 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
3032 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
3033 bool gfc_verify_c_interop (gfc_typespec
*);
3034 bool gfc_verify_c_interop_param (gfc_symbol
*);
3035 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
3036 bool verify_bind_c_derived_type (gfc_symbol
*);
3037 bool verify_com_block_vars_c_interop (gfc_common_head
*);
3038 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
3039 const char *, gfc_symtree
*, bool);
3040 void gfc_save_symbol_data (gfc_symbol
*);
3041 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
3042 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
3043 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
3045 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
3046 void gfc_drop_last_undo_checkpoint (void);
3047 void gfc_restore_last_undo_checkpoint (void);
3048 void gfc_undo_symbols (void);
3049 void gfc_commit_symbols (void);
3050 void gfc_commit_symbol (gfc_symbol
*);
3051 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
3052 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
3053 void gfc_free_namespace (gfc_namespace
*);
3055 void gfc_symbol_init_2 (void);
3056 void gfc_symbol_done_2 (void);
3058 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
3059 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
3060 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
3061 void gfc_save_all (gfc_namespace
*);
3063 void gfc_enforce_clean_symbol_state (void);
3064 void gfc_free_dt_list (void);
3067 gfc_gsymbol
*gfc_get_gsymbol (const char *, bool bind_c
);
3068 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
3069 gfc_gsymbol
*gfc_find_case_gsymbol (gfc_gsymbol
*, const char *);
3071 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
3072 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
3073 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
3074 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
3075 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
3077 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
3078 gfc_actual_arglist
*);
3080 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
3082 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
3083 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
3085 bool gfc_is_associate_pointer (gfc_symbol
*);
3086 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
3087 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
3089 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3090 extern bool gfc_init_expr_flag
;
3092 /* Given a symbol that we have decided is intrinsic, mark it as such
3093 by placing it into a special module that is otherwise impossible to
3096 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3098 void gfc_intrinsic_init_1 (void);
3099 void gfc_intrinsic_done_1 (void);
3101 char gfc_type_letter (bt
);
3102 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
3103 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
3104 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
3105 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
3106 int gfc_generic_intrinsic (const char *);
3107 int gfc_specific_intrinsic (const char *);
3108 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
3109 int gfc_intrinsic_actual_ok (const char *, const bool);
3110 gfc_intrinsic_sym
*gfc_find_function (const char *);
3111 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
3112 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
3113 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
3114 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
3115 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
3118 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
3119 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3121 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3122 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3125 /* match.c -- FIXME */
3126 void gfc_free_iterator (gfc_iterator
*, int);
3127 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3128 void gfc_free_alloc_list (gfc_alloc
*);
3129 void gfc_free_namelist (gfc_namelist
*);
3130 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3131 void gfc_free_equiv (gfc_equiv
*);
3132 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3133 void gfc_free_data (gfc_data
*);
3134 void gfc_reject_data (gfc_namespace
*);
3135 void gfc_free_case_list (gfc_case
*);
3137 /* matchexp.c -- FIXME too? */
3138 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3141 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3142 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3143 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare
*);
3144 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3145 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3146 void gfc_free_omp_udr (gfc_omp_udr
*);
3147 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3148 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3149 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*, bool);
3150 void gfc_resolve_omp_local_vars (gfc_namespace
*);
3151 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3152 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3153 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3154 void gfc_resolve_omp_udrs (gfc_symtree
*);
3155 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3156 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3157 void gfc_free_expr_list (gfc_expr_list
*);
3158 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3159 void gfc_resolve_oacc_declare (gfc_namespace
*);
3160 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3161 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3164 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3165 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3167 bool gfc_extract_int (gfc_expr
*, int *, int = 0);
3168 bool gfc_extract_hwi (gfc_expr
*, HOST_WIDE_INT
*, int = 0);
3170 bool is_subref_array (gfc_expr
*);
3171 bool gfc_is_simply_contiguous (gfc_expr
*, bool, bool);
3172 bool gfc_check_init_expr (gfc_expr
*);
3174 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3175 void gfc_free_ref_list (gfc_ref
*);
3176 void gfc_type_convert_binary (gfc_expr
*, int);
3177 bool gfc_is_constant_expr (gfc_expr
*);
3178 bool gfc_simplify_expr (gfc_expr
*, int);
3179 int gfc_has_vector_index (gfc_expr
*);
3181 gfc_expr
*gfc_get_expr (void);
3182 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3183 gfc_expr
*gfc_get_null_expr (locus
*);
3184 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3185 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3186 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3187 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, gfc_charlen_t len
);
3188 gfc_expr
*gfc_get_int_expr (int, locus
*, HOST_WIDE_INT
);
3189 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3190 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3192 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3193 void gfc_free_shape (mpz_t
**shape
, int rank
);
3194 void gfc_free_expr (gfc_expr
*);
3195 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3196 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3197 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3198 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3199 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3201 bool gfc_specification_expr (gfc_expr
*);
3203 int gfc_numeric_ts (gfc_typespec
*);
3204 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3206 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3207 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int, bool c
= true);
3208 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*, bool is_init_expr
= false);
3209 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3211 gfc_expr
*gfc_build_default_init_expr (gfc_typespec
*, locus
*);
3212 gfc_expr
*gfc_build_init_expr (gfc_typespec
*, locus
*, bool);
3213 void gfc_apply_init (gfc_typespec
*, symbol_attribute
*, gfc_expr
*);
3214 bool gfc_has_default_initializer (gfc_symbol
*);
3215 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3216 gfc_expr
*gfc_generate_initializer (gfc_typespec
*, bool);
3217 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3218 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3219 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3221 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3223 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3224 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3226 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3227 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3228 bool gfc_derived_parameter_expr (gfc_expr
*);
3229 gfc_param_spec_type
gfc_spec_list_type (gfc_actual_arglist
*, gfc_symbol
*);
3230 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3231 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3232 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3233 bool gfc_is_class_array_function (gfc_expr
*);
3235 bool gfc_ref_this_image (gfc_ref
*ref
);
3236 bool gfc_is_coindexed (gfc_expr
*);
3237 bool gfc_is_coarray (gfc_expr
*);
3238 int gfc_get_corank (gfc_expr
*);
3239 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3240 bool gfc_has_ultimate_pointer (gfc_expr
*);
3241 gfc_expr
* gfc_find_team_co (gfc_expr
*);
3242 gfc_expr
* gfc_find_stat_co (gfc_expr
*);
3243 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3244 locus
, unsigned, ...);
3245 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3249 extern gfc_code new_st
;
3251 void gfc_clear_new_st (void);
3252 gfc_code
*gfc_get_code (gfc_exec_op
);
3253 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3254 void gfc_free_statement (gfc_code
*);
3255 void gfc_free_statements (gfc_code
*);
3256 void gfc_free_association_list (gfc_association_list
*);
3259 bool gfc_resolve_expr (gfc_expr
*);
3260 void gfc_resolve (gfc_namespace
*);
3261 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3262 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3263 int gfc_impure_variable (gfc_symbol
*);
3264 int gfc_pure (gfc_symbol
*);
3265 int gfc_implicit_pure (gfc_symbol
*);
3266 void gfc_unset_implicit_pure (gfc_symbol
*);
3267 int gfc_elemental (gfc_symbol
*);
3268 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3269 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3270 bool gfc_resolve_index (gfc_expr
*, int);
3271 bool gfc_resolve_dim_arg (gfc_expr
*);
3272 bool gfc_is_formal_arg (void);
3273 void gfc_resolve_substring_charlen (gfc_expr
*);
3274 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3275 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3276 bool gfc_type_is_extensible (gfc_symbol
*);
3277 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3278 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3279 extern int gfc_do_concurrent_flag
;
3280 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree
*);
3284 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3286 void gfc_free_array_spec (gfc_array_spec
*);
3287 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3289 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3290 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3291 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3293 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3295 void gfc_simplify_iterator_var (gfc_expr
*);
3296 bool gfc_expand_constructor (gfc_expr
*, bool);
3297 int gfc_constant_ac (gfc_expr
*);
3298 int gfc_expanded_ac (gfc_expr
*);
3299 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3300 bool gfc_resolve_array_constructor (gfc_expr
*);
3301 bool gfc_check_constructor_type (gfc_expr
*);
3302 bool gfc_check_iter_variable (gfc_expr
*);
3303 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3304 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3305 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3306 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3307 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*, bool a
= false);
3308 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3309 bool spec_size (gfc_array_spec
*, mpz_t
*);
3310 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3311 bool gfc_is_compile_time_shape (gfc_array_spec
*);
3313 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3316 /* interface.c -- FIXME: some of these should be in symbol.c */
3317 void gfc_free_interface (gfc_interface
*);
3318 bool gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3319 bool gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3320 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3322 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3324 bool gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3325 char *, int, const char *, const char *);
3326 void gfc_check_interfaces (gfc_namespace
*);
3327 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3328 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3329 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3330 gfc_actual_arglist
**);
3331 match
gfc_extend_expr (gfc_expr
*);
3332 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3333 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3334 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3335 bool gfc_add_interface (gfc_symbol
*);
3336 gfc_interface
*gfc_current_interface_head (void);
3337 void gfc_set_current_interface_head (gfc_interface
*);
3338 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3339 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3340 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3341 bool gfc_has_vector_subscript (gfc_expr
*);
3342 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3343 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3344 void gfc_check_dtio_interfaces (gfc_symbol
*);
3345 gfc_symtree
* gfc_find_typebound_dtio_proc (gfc_symbol
*, bool, bool);
3346 gfc_symbol
* gfc_find_specific_dtio_proc (gfc_symbol
*, bool, bool);
3350 extern gfc_st_label format_asterisk
;
3352 void gfc_free_open (gfc_open
*);
3353 bool gfc_resolve_open (gfc_open
*);
3354 void gfc_free_close (gfc_close
*);
3355 bool gfc_resolve_close (gfc_close
*);
3356 void gfc_free_filepos (gfc_filepos
*);
3357 bool gfc_resolve_filepos (gfc_filepos
*, locus
*);
3358 void gfc_free_inquire (gfc_inquire
*);
3359 bool gfc_resolve_inquire (gfc_inquire
*);
3360 void gfc_free_dt (gfc_dt
*);
3361 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3362 void gfc_free_wait (gfc_wait
*);
3363 bool gfc_resolve_wait (gfc_wait
*);
3364 extern bool async_io_dt
;
3367 void gfc_module_init_2 (void);
3368 void gfc_module_done_2 (void);
3369 void gfc_dump_module (const char *, int);
3370 bool gfc_check_symbol_access (gfc_symbol
*);
3371 void gfc_free_use_stmts (gfc_use_list
*);
3372 const char *gfc_dt_lower_string (const char *);
3373 const char *gfc_dt_upper_string (const char *);
3376 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3377 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3378 symbol_attribute
gfc_caf_attr (gfc_expr
*, bool i
= false, bool *r
= NULL
);
3379 match
gfc_match_rvalue (gfc_expr
**);
3380 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3381 int gfc_check_digit (char, int);
3382 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3383 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3385 gfc_actual_arglist
**, bool);
3388 void gfc_generate_code (gfc_namespace
*);
3389 void gfc_generate_module_code (gfc_namespace
*);
3391 /* trans-intrinsic.c */
3392 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3395 typedef int (*compare_fn
) (void *, void *);
3396 void gfc_insert_bbt (void *, void *, compare_fn
);
3397 void gfc_delete_bbt (void *, void *, compare_fn
);
3399 /* dump-parse-tree.c */
3400 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3401 void gfc_dump_c_prototypes (gfc_namespace
*, FILE *);
3404 bool gfc_parse_file (void);
3405 void gfc_global_used (gfc_gsymbol
*, locus
*);
3406 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3409 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3410 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3411 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3414 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3415 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3416 size_t*, size_t*, size_t*);
3419 void gfc_fix_class_refs (gfc_expr
*e
);
3420 void gfc_add_component_ref (gfc_expr
*, const char *);
3421 void gfc_add_class_array_ref (gfc_expr
*);
3422 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3423 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3424 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3425 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3426 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3427 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3428 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3429 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3430 bool gfc_is_class_scalar_expr (gfc_expr
*);
3431 bool gfc_is_class_container_ref (gfc_expr
*e
);
3432 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3433 unsigned int gfc_hash_value (gfc_symbol
*);
3434 gfc_expr
*gfc_get_len_component (gfc_expr
*e
, int);
3435 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3437 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3438 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3439 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3440 const char*, bool, locus
*);
3441 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3442 const char*, bool, locus
*);
3443 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3444 gfc_intrinsic_op
, bool,
3446 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3447 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3449 #define CLASS_DATA(sym) sym->ts.u.derived->components
3450 #define UNLIMITED_POLY(sym) \
3451 (sym != NULL && sym->ts.type == BT_CLASS \
3452 && CLASS_DATA (sym) \
3453 && CLASS_DATA (sym)->ts.u.derived \
3454 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3455 #define IS_CLASS_ARRAY(sym) \
3456 (sym->ts.type == BT_CLASS \
3457 && CLASS_DATA (sym) \
3458 && CLASS_DATA (sym)->attr.dimension \
3459 && !CLASS_DATA (sym)->attr.class_pointer)
3461 /* frontend-passes.c */
3463 void gfc_run_passes (gfc_namespace
*);
3465 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3466 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3468 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3469 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3470 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3474 void gfc_convert_mpz_to_signed (mpz_t
, int);
3475 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3476 bool gfc_is_size_zero_array (gfc_expr
*);
3480 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3484 void finish_oacc_declare (gfc_namespace
*, gfc_symbol
*, bool);
3486 #endif /* GCC_GFORTRAN_H */