1 /* gfortran header file
2 Copyright (C) 2000-2017 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
200 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
201 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
202 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
203 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
204 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
205 ST_ENDDO
, ST_IMPLIED_ENDDO
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
206 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
207 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
208 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
209 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
210 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
211 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
212 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
213 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
214 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
215 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
216 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
217 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
218 ST_STRUCTURE_DECL
, ST_END_STRUCTURE
,
219 ST_UNION
, ST_END_UNION
, ST_MAP
, ST_END_MAP
,
220 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
221 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
222 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
223 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
224 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
225 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
226 ST_OACC_ATOMIC
, ST_OACC_END_ATOMIC
,
227 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
228 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
229 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
230 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
231 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
232 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
233 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
234 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
235 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
236 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
237 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
238 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
239 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
240 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
241 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
242 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
243 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
244 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
245 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
246 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
247 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
248 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
249 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
250 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
251 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
252 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
253 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
254 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
255 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
256 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
257 ST_OMP_TARGET_PARALLEL
, ST_OMP_END_TARGET_PARALLEL
,
258 ST_OMP_TARGET_PARALLEL_DO
, ST_OMP_END_TARGET_PARALLEL_DO
,
259 ST_OMP_TARGET_PARALLEL_DO_SIMD
, ST_OMP_END_TARGET_PARALLEL_DO_SIMD
,
260 ST_OMP_TARGET_ENTER_DATA
, ST_OMP_TARGET_EXIT_DATA
,
261 ST_OMP_TARGET_SIMD
, ST_OMP_END_TARGET_SIMD
,
262 ST_OMP_TASKLOOP
, ST_OMP_END_TASKLOOP
,
263 ST_OMP_TASKLOOP_SIMD
, ST_OMP_END_TASKLOOP_SIMD
, ST_OMP_ORDERED_DEPEND
,
264 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
265 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_EVENT_POST
,
266 ST_EVENT_WAIT
,ST_NONE
269 /* Types of interfaces that we can have. Assignment interfaces are
270 considered to be intrinsic operators. */
273 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
274 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
,
278 /* Symbol flavors: these are all mutually exclusive.
279 12 elements = 4 bits. */
282 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
283 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
284 FL_UNION
, FL_STRUCT
, FL_VOID
287 /* Procedure types. 7 elements = 3 bits. */
289 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
290 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
295 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
300 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
303 /* Flags to keep track of where an interface came from.
304 3 elements = 2 bits. */
306 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
307 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
308 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
309 with explicit interface. */
312 /* Whether a SAVE attribute was set explicitly or implicitly. */
314 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
317 /* Strings for all symbol attributes. We use these for dumping the
318 parse tree, in error messages, and also when reading and writing
319 modules. In symbol.c. */
320 extern const mstring flavors
[];
321 extern const mstring procedures
[];
322 extern const mstring intents
[];
323 extern const mstring access_types
[];
324 extern const mstring ifsrc_types
[];
325 extern const mstring save_status
[];
327 /* Strings for DTIO procedure names. In symbol.c. */
328 extern const mstring dtio_procs
[];
331 { DTIO_RF
= 0, DTIO_WF
, DTIO_RUF
, DTIO_WUF
};
333 /* Enumeration of all the generic intrinsic functions. Used by the
334 backend for identification of a function. */
338 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
339 the backend (e.g. KIND). */
367 GFC_ISYM_ATOMIC_FETCH_ADD
,
368 GFC_ISYM_ATOMIC_FETCH_AND
,
369 GFC_ISYM_ATOMIC_FETCH_OR
,
370 GFC_ISYM_ATOMIC_FETCH_XOR
,
387 GFC_ISYM_CO_BROADCAST
,
392 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
393 GFC_ISYM_COMPILER_OPTIONS
,
394 GFC_ISYM_COMPILER_VERSION
,
405 GFC_ISYM_C_ASSOCIATED
,
406 GFC_ISYM_C_F_POINTER
,
407 GFC_ISYM_C_F_PROCPOINTER
,
411 GFC_ISYM_DATE_AND_TIME
,
415 GFC_ISYM_DOT_PRODUCT
,
424 GFC_ISYM_ERFC_SCALED
,
426 GFC_ISYM_EVENT_QUERY
,
427 GFC_ISYM_EXECUTE_COMMAND_LINE
,
431 GFC_ISYM_EXTENDS_TYPE_OF
,
433 GFC_ISYM_FE_RUNTIME_ERROR
,
449 GFC_ISYM_GET_COMMAND
,
450 GFC_ISYM_GET_COMMAND_ARGUMENT
,
453 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
474 GFC_ISYM_IMAGE_INDEX
,
483 GFC_ISYM_IS_IOSTAT_END
,
484 GFC_ISYM_IS_IOSTAT_EOR
,
519 GFC_ISYM_MAXEXPONENT
,
527 GFC_ISYM_MINEXPONENT
,
552 GFC_ISYM_RANDOM_NUMBER
,
553 GFC_ISYM_RANDOM_SEED
,
562 GFC_ISYM_SAME_TYPE_AS
,
568 GFC_ISYM_SET_EXPONENT
,
588 GFC_ISYM_STORAGE_SIZE
,
594 GFC_ISYM_SYSTEM_CLOCK
,
619 enum init_local_logical
621 GFC_INIT_LOGICAL_OFF
= 0,
622 GFC_INIT_LOGICAL_FALSE
,
623 GFC_INIT_LOGICAL_TRUE
626 enum init_local_character
628 GFC_INIT_CHARACTER_OFF
= 0,
629 GFC_INIT_CHARACTER_ON
632 enum init_local_integer
634 GFC_INIT_INTEGER_OFF
= 0,
646 /************************* Structures *****************************/
648 /* Used for keeping things in balanced binary trees. */
649 #define BBT_HEADER(self) int priority; struct self *left, *right
651 #define NAMED_INTCST(a,b,c,d) a,
652 #define NAMED_KINDARRAY(a,b,c,d) a,
653 #define NAMED_FUNCTION(a,b,c,d) a,
654 #define NAMED_SUBROUTINE(a,b,c,d) a,
655 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
656 enum iso_fortran_env_symbol
658 ISOFORTRANENV_INVALID
= -1,
659 #include "iso-fortran-env.def"
660 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
663 #undef NAMED_KINDARRAY
664 #undef NAMED_FUNCTION
665 #undef NAMED_SUBROUTINE
666 #undef NAMED_DERIVED_TYPE
668 #define NAMED_INTCST(a,b,c,d) a,
669 #define NAMED_REALCST(a,b,c,d) a,
670 #define NAMED_CMPXCST(a,b,c,d) a,
671 #define NAMED_LOGCST(a,b,c) a,
672 #define NAMED_CHARKNDCST(a,b,c) a,
673 #define NAMED_CHARCST(a,b,c) a,
674 #define DERIVED_TYPE(a,b,c) a,
675 #define NAMED_FUNCTION(a,b,c,d) a,
676 #define NAMED_SUBROUTINE(a,b,c,d) a,
677 enum iso_c_binding_symbol
679 ISOCBINDING_INVALID
= -1,
680 #include "iso-c-binding.def"
682 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
688 #undef NAMED_CHARKNDCST
691 #undef NAMED_FUNCTION
692 #undef NAMED_SUBROUTINE
696 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
697 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
702 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
703 int value
; /* Used for both integer and character values. */
708 /* Array of structs, where the structs represent the C interop kinds.
709 The list will be implemented based on a hash of the kind name since
710 these could be accessed multiple times.
711 Declared in trans-types.c as a global, since it's in that file
712 that the list is initialized. */
713 extern CInteropKind_t c_interop_kinds_table
[];
716 /* Structure and list of supported extension attributes. */
719 EXT_ATTR_DLLIMPORT
= 0,
724 EXT_ATTR_NO_ARG_CHECK
,
725 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
733 const char *middle_end_name
;
737 extern const ext_attr_t ext_attr_list
[];
739 /* Symbol attribute structure. */
742 /* Variable attributes. */
743 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
744 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
745 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
746 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
747 contiguous
:1, fe_temp
: 1, automatic
: 1;
749 /* For CLASS containers, the pointer attribute is sometimes set internally
750 even though it was not directly specified. In this case, keep the
751 "real" (original) value here. */
752 unsigned class_pointer
:1;
754 ENUM_BITFIELD (save_state
) save
:2;
756 unsigned data
:1, /* Symbol is named in a DATA statement. */
757 is_protected
:1, /* Symbol has been marked as protected. */
758 use_assoc
:1, /* Symbol has been use-associated. */
759 used_in_submodule
:1, /* Symbol has been use-associated in a
760 submodule. Needed since these entities must
761 be set host associated to be compliant. */
762 use_only
:1, /* Symbol has been use-associated, with ONLY. */
763 use_rename
:1, /* Symbol has been use-associated and renamed. */
764 imported
:1, /* Symbol has been associated by IMPORT. */
765 host_assoc
:1; /* Symbol has been host associated. */
767 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
768 unsigned function
:1, subroutine
:1, procedure
:1;
769 unsigned generic
:1, generic_copy
:1;
770 unsigned implicit_type
:1; /* Type defined via implicit rules. */
771 unsigned untyped
:1; /* No implicit type could be found. */
773 unsigned is_bind_c
:1; /* say if is bound to C. */
774 unsigned extension
:8; /* extension level of a derived type. */
775 unsigned is_class
:1; /* is a CLASS container. */
776 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
777 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
778 unsigned vtype
:1; /* is a derived type of a vtab. */
780 /* These flags are both in the typespec and attribute. The attribute
781 list is what gets read from/written to a module file. The typespec
782 is created from a decl being processed. */
783 unsigned is_c_interop
:1; /* It's c interoperable. */
784 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
786 /* Function/subroutine attributes */
787 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
788 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
790 /* Set if this is a module function or subroutine. Note that it is an
791 attribute because it appears as a prefix in the declaration like
793 unsigned module_procedure
:1;
795 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
796 which is relevant for private module procedures. */
797 unsigned public_used
:1;
799 /* This is set if a contained procedure could be declared pure. This is
800 used for certain optimizations that require the result or arguments
801 cannot alias. Note that this is zero for PURE procedures. */
802 unsigned implicit_pure
:1;
804 /* This is set for a procedure that contains expressions referencing
805 arrays coming from outside its namespace.
806 This is used to force the creation of a temporary when the LHS of
807 an array assignment may be used by an elemental procedure appearing
809 unsigned array_outer_dependency
:1;
811 /* This is set if the subroutine doesn't return. Currently, this
812 is only possible for intrinsic subroutines. */
815 /* Set if this procedure is an alternate entry point. These procedures
816 don't have any code associated, and the backend will turn them into
817 thunks to the master function. */
820 /* Set if this is the master function for a procedure with multiple
822 unsigned entry_master
:1;
824 /* Set if this is the master function for a function with multiple
825 entry points where characteristics of the entry points differ. */
826 unsigned mixed_entry_master
:1;
828 /* Set if a function must always be referenced by an explicit interface. */
829 unsigned always_explicit
:1;
831 /* Set if the symbol is generated and, hence, standard violations
832 shouldn't be flaged. */
833 unsigned artificial
:1;
835 /* Set if the symbol has been referenced in an expression. No further
836 modification of type or type parameters is permitted. */
837 unsigned referenced
:1;
839 /* Set if this is the symbol for the main program. */
840 unsigned is_main_program
:1;
842 /* Mutually exclusive multibit attributes. */
843 ENUM_BITFIELD (gfc_access
) access
:2;
844 ENUM_BITFIELD (sym_intent
) intent
:2;
845 ENUM_BITFIELD (sym_flavor
) flavor
:4;
846 ENUM_BITFIELD (ifsrc
) if_source
:2;
848 ENUM_BITFIELD (procedure_type
) proc
:3;
850 /* Special attributes for Cray pointers, pointees. */
851 unsigned cray_pointer
:1, cray_pointee
:1;
853 /* The symbol is a derived type with allocatable components, pointer
854 components or private components, procedure pointer components,
855 possibly nested. zero_comp is true if the derived type has no
856 component at all. defined_assign_comp is true if the derived
857 type or a (sub-)component has a typebound defined assignment.
858 unlimited_polymorphic flags the type of the container for these
860 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
861 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
862 event_comp
:1, defined_assign_comp
:1, unlimited_polymorphic
:1,
865 /* This is a temporary selector for SELECT TYPE or an associate
866 variable for SELECT_TYPE or ASSOCIATE. */
867 unsigned select_type_temporary
:1, associate_var
:1;
869 /* This is omp_{out,in,priv,orig} artificial variable in
870 !$OMP DECLARE REDUCTION. */
871 unsigned omp_udr_artificial_var
:1;
873 /* Mentioned in OMP DECLARE TARGET. */
874 unsigned omp_declare_target
:1;
875 unsigned omp_declare_target_link
:1;
877 /* Mentioned in OACC DECLARE. */
878 unsigned oacc_declare_create
:1;
879 unsigned oacc_declare_copyin
:1;
880 unsigned oacc_declare_deviceptr
:1;
881 unsigned oacc_declare_device_resident
:1;
882 unsigned oacc_declare_link
:1;
884 /* This is an OpenACC acclerator function at level N - 1 */
885 unsigned oacc_function
:3;
887 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
888 unsigned ext_attr
:EXT_ATTR_NUM
;
890 /* The namespace where the attribute has been set. */
891 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
896 /* We need to store source lines as sequences of multibyte source
897 characters. We define here a type wide enough to hold any multibyte
898 source character, just like libcpp does. A 32-bit type is enough. */
900 #if HOST_BITS_PER_INT >= 32
901 typedef unsigned int gfc_char_t
;
902 #elif HOST_BITS_PER_LONG >= 32
903 typedef unsigned long gfc_char_t
;
904 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
905 typedef unsigned long long gfc_char_t
;
907 # error "Cannot find an integer type with at least 32 bits"
911 /* The following three structures are used to identify a location in
914 gfc_file is used to maintain a tree of the source files and how
915 they include each other
917 gfc_linebuf holds a single line of source code and information
918 which file it resides in
920 locus point to the sourceline and the character in the source
924 typedef struct gfc_file
926 struct gfc_file
*next
, *up
;
927 int inclusion_line
, line
;
931 typedef struct gfc_linebuf
933 source_location location
;
934 struct gfc_file
*file
;
935 struct gfc_linebuf
*next
;
943 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
945 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
953 /* In order for the "gfc" format checking to work correctly, you must
954 have declared a typedef locus first. */
955 #if GCC_VERSION >= 4001
956 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
958 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
962 /* Suppress error messages or re-enable them. */
964 void gfc_push_suppress_errors (void);
965 void gfc_pop_suppress_errors (void);
968 /* Character length structures hold the expression that gives the
969 length of a character variable. We avoid putting these into
970 gfc_typespec because doing so prevents us from doing structure
971 copies and forces us to deallocate any typespecs we create, as well
972 as structures that contain typespecs. They also can have multiple
973 character typespecs pointing to them.
975 These structures form a singly linked list within the current
976 namespace and are deallocated with the namespace. It is possible to
977 end up with gfc_charlen structures that have nothing pointing to them. */
979 typedef struct gfc_charlen
981 struct gfc_expr
*length
;
982 struct gfc_charlen
*next
;
983 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
985 tree passed_length
; /* Length argument explicitly passed. */
991 #define gfc_get_charlen() XCNEW (gfc_charlen)
993 /* Type specification structure. */
1001 struct gfc_symbol
*derived
; /* For derived types only. */
1002 gfc_charlen
*cl
; /* For character types only. */
1003 int pad
; /* For hollerith types only. */
1007 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1015 /* Array specification. */
1018 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1020 array_type type
, cotype
;
1021 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1023 /* These two fields are used with the Cray Pointer extension. */
1024 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1025 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1026 AS_EXPLICIT, but we want to remember that we
1033 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1036 /* Components of derived types. */
1037 typedef struct gfc_component
1042 symbol_attribute attr
;
1046 /* Used to cache a FIELD_DECL matching this same component
1047 but applied to a different backend containing type that was
1048 generated by gfc_nonrestricted_type. */
1049 tree norestrict_decl
;
1051 struct gfc_expr
*initializer
;
1052 struct gfc_component
*next
;
1054 /* Needed for procedure pointer components. */
1055 struct gfc_typebound_proc
*tb
;
1056 /* When allocatable/pointer and in a coarray the associated token. */
1061 #define gfc_get_component() XCNEW (gfc_component)
1063 /* Formal argument lists are lists of symbols. */
1064 typedef struct gfc_formal_arglist
1066 /* Symbol representing the argument at this position in the arglist. */
1067 struct gfc_symbol
*sym
;
1068 /* Points to the next formal argument. */
1069 struct gfc_formal_arglist
*next
;
1073 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1076 /* The gfc_actual_arglist structure is for actual arguments. */
1077 typedef struct gfc_actual_arglist
1080 /* Alternate return label when the expr member is null. */
1081 struct gfc_st_label
*label
;
1083 /* This is set to the type of an eventual omitted optional
1084 argument. This is used to determine if a hidden string length
1085 argument has to be added to a function call. */
1086 bt missing_arg_type
;
1088 struct gfc_expr
*expr
;
1089 struct gfc_actual_arglist
*next
;
1093 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1096 /* Because a symbol can belong to multiple namelists, they must be
1097 linked externally to the symbol itself. */
1098 typedef struct gfc_namelist
1100 struct gfc_symbol
*sym
;
1101 struct gfc_namelist
*next
;
1105 #define gfc_get_namelist() XCNEW (gfc_namelist)
1107 /* Likewise to gfc_namelist, but contains expressions. */
1108 typedef struct gfc_expr_list
1110 struct gfc_expr
*expr
;
1111 struct gfc_expr_list
*next
;
1115 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1117 enum gfc_omp_reduction_op
1119 OMP_REDUCTION_NONE
= -1,
1120 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1121 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1122 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1123 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1124 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1125 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1126 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1127 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1135 enum gfc_omp_depend_op
1140 OMP_DEPEND_SINK_FIRST
,
1151 OMP_MAP_FORCE_ALLOC
,
1154 OMP_MAP_FORCE_TOFROM
,
1155 OMP_MAP_FORCE_PRESENT
,
1156 OMP_MAP_FORCE_DEVICEPTR
,
1157 OMP_MAP_DEVICE_RESIDENT
,
1161 OMP_MAP_ALWAYS_FROM
,
1162 OMP_MAP_ALWAYS_TOFROM
1165 enum gfc_omp_linear_op
1173 /* For use in OpenMP clauses in case we need extra information
1174 (aligned clause alignment, linear clause step, etc.). */
1176 typedef struct gfc_omp_namelist
1178 struct gfc_symbol
*sym
;
1179 struct gfc_expr
*expr
;
1182 gfc_omp_reduction_op reduction_op
;
1183 gfc_omp_depend_op depend_op
;
1184 gfc_omp_map_op map_op
;
1185 gfc_omp_linear_op linear_op
;
1186 struct gfc_common_head
*common
;
1188 struct gfc_omp_namelist_udr
*udr
;
1189 struct gfc_omp_namelist
*next
;
1194 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1199 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1200 OMP_LIST_FIRSTPRIVATE
,
1201 OMP_LIST_LASTPRIVATE
,
1202 OMP_LIST_COPYPRIVATE
,
1213 OMP_LIST_DEVICE_RESIDENT
,
1215 OMP_LIST_USE_DEVICE
,
1217 OMP_LIST_IS_DEVICE_PTR
,
1218 OMP_LIST_USE_DEVICE_PTR
,
1222 /* Because a symbol can belong to multiple namelists, they must be
1223 linked externally to the symbol itself. */
1225 enum gfc_omp_sched_kind
1235 enum gfc_omp_default_sharing
1237 OMP_DEFAULT_UNKNOWN
,
1239 OMP_DEFAULT_PRIVATE
,
1241 OMP_DEFAULT_FIRSTPRIVATE
1244 enum gfc_omp_proc_bind_kind
1246 OMP_PROC_BIND_UNKNOWN
,
1247 OMP_PROC_BIND_MASTER
,
1248 OMP_PROC_BIND_SPREAD
,
1252 enum gfc_omp_cancel_kind
1255 OMP_CANCEL_PARALLEL
,
1256 OMP_CANCEL_SECTIONS
,
1258 OMP_CANCEL_TASKGROUP
1261 enum gfc_omp_if_kind
1268 OMP_IF_TARGET_UPDATE
,
1269 OMP_IF_TARGET_ENTER_DATA
,
1270 OMP_IF_TARGET_EXIT_DATA
,
1274 typedef struct gfc_omp_clauses
1276 struct gfc_expr
*if_expr
;
1277 struct gfc_expr
*final_expr
;
1278 struct gfc_expr
*num_threads
;
1279 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1280 enum gfc_omp_sched_kind sched_kind
;
1281 struct gfc_expr
*chunk_size
;
1282 enum gfc_omp_default_sharing default_sharing
;
1283 int collapse
, orderedc
;
1284 bool nowait
, ordered
, untied
, mergeable
;
1285 bool inbranch
, notinbranch
, defaultmap
, nogroup
;
1286 bool sched_simd
, sched_monotonic
, sched_nonmonotonic
;
1287 bool simd
, threads
, depend_source
;
1288 enum gfc_omp_cancel_kind cancel
;
1289 enum gfc_omp_proc_bind_kind proc_bind
;
1290 struct gfc_expr
*safelen_expr
;
1291 struct gfc_expr
*simdlen_expr
;
1292 struct gfc_expr
*num_teams
;
1293 struct gfc_expr
*device
;
1294 struct gfc_expr
*thread_limit
;
1295 struct gfc_expr
*grainsize
;
1296 struct gfc_expr
*hint
;
1297 struct gfc_expr
*num_tasks
;
1298 struct gfc_expr
*priority
;
1299 struct gfc_expr
*if_exprs
[OMP_IF_LAST
];
1300 enum gfc_omp_sched_kind dist_sched_kind
;
1301 struct gfc_expr
*dist_chunk_size
;
1302 const char *critical_name
;
1305 struct gfc_expr
*async_expr
;
1306 struct gfc_expr
*gang_static_expr
;
1307 struct gfc_expr
*gang_num_expr
;
1308 struct gfc_expr
*worker_expr
;
1309 struct gfc_expr
*vector_expr
;
1310 struct gfc_expr
*num_gangs_expr
;
1311 struct gfc_expr
*num_workers_expr
;
1312 struct gfc_expr
*vector_length_expr
;
1313 gfc_expr_list
*wait_list
;
1314 gfc_expr_list
*tile_list
;
1315 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1316 unsigned wait
:1, par_auto
:1, gang_static
:1;
1322 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1325 /* Node in the linked list used for storing !$oacc declare constructs. */
1327 typedef struct gfc_oacc_declare
1329 struct gfc_oacc_declare
*next
;
1331 gfc_omp_clauses
*clauses
;
1336 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1339 /* Node in the linked list used for storing !$omp declare simd constructs. */
1341 typedef struct gfc_omp_declare_simd
1343 struct gfc_omp_declare_simd
*next
;
1344 locus where
; /* Where the !$omp declare simd construct occurred. */
1346 gfc_symbol
*proc_name
;
1348 gfc_omp_clauses
*clauses
;
1350 gfc_omp_declare_simd
;
1351 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1353 typedef struct gfc_omp_udr
1355 struct gfc_omp_udr
*next
;
1356 locus where
; /* Where the !$omp declare reduction construct occurred. */
1360 gfc_omp_reduction_op rop
;
1362 struct gfc_symbol
*omp_out
;
1363 struct gfc_symbol
*omp_in
;
1364 struct gfc_namespace
*combiner_ns
;
1366 struct gfc_symbol
*omp_priv
;
1367 struct gfc_symbol
*omp_orig
;
1368 struct gfc_namespace
*initializer_ns
;
1371 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1373 typedef struct gfc_omp_namelist_udr
1375 struct gfc_omp_udr
*udr
;
1376 struct gfc_code
*combiner
;
1377 struct gfc_code
*initializer
;
1379 gfc_omp_namelist_udr
;
1380 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1382 /* The gfc_st_label structure is a BBT attached to a namespace that
1383 records the usage of statement labels within that space. */
1385 typedef struct gfc_st_label
1387 BBT_HEADER(gfc_st_label
);
1391 gfc_sl_type defined
, referenced
;
1393 struct gfc_expr
*format
;
1404 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1405 typedef struct gfc_interface
1407 struct gfc_symbol
*sym
;
1409 struct gfc_interface
*next
;
1413 #define gfc_get_interface() XCNEW (gfc_interface)
1415 /* User operator nodes. These are like stripped down symbols. */
1421 struct gfc_namespace
*ns
;
1427 /* A list of specific bindings that are associated with a generic spec. */
1428 typedef struct gfc_tbp_generic
1430 /* The parser sets specific_st, upon resolution we look for the corresponding
1431 gfc_typebound_proc and set specific for further use. */
1432 struct gfc_symtree
* specific_st
;
1433 struct gfc_typebound_proc
* specific
;
1435 struct gfc_tbp_generic
* next
;
1440 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1443 /* Data needed for type-bound procedures. */
1444 typedef struct gfc_typebound_proc
1446 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1450 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1451 gfc_tbp_generic
* generic
;
1456 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1458 /* The overridden type-bound proc (or GENERIC with this name in the
1459 parent-type) or NULL if non. */
1460 struct gfc_typebound_proc
* overridden
;
1462 /* Once resolved, we use the position of pass_arg in the formal arglist of
1463 the binding-target procedure to identify it. The first argument has
1464 number 1 here, the second 2, and so on. */
1465 unsigned pass_arg_num
;
1467 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1468 unsigned non_overridable
:1;
1469 unsigned deferred
:1;
1470 unsigned is_generic
:1;
1471 unsigned function
:1, subroutine
:1;
1472 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1478 /* Symbol nodes. These are important things. They are what the
1479 standard refers to as "entities". The possibly multiple names that
1480 refer to the same entity are accomplished by a binary tree of
1481 symtree structures that is balanced by the red-black method-- more
1482 than one symtree node can point to any given symbol. */
1484 typedef struct gfc_symbol
1486 const char *name
; /* Primary name, before renaming */
1487 const char *module
; /* Module this symbol came from */
1491 symbol_attribute attr
;
1493 /* The formal member points to the formal argument list if the
1494 symbol is a function or subroutine name. If the symbol is a
1495 generic name, the generic member points to the list of
1498 gfc_interface
*generic
;
1499 gfc_access component_access
;
1501 gfc_formal_arglist
*formal
;
1502 struct gfc_namespace
*formal_ns
;
1503 struct gfc_namespace
*f2k_derived
;
1505 struct gfc_expr
*value
; /* Parameter/Initializer value */
1507 struct gfc_symbol
*result
; /* function result symbol */
1508 gfc_component
*components
; /* Derived type components */
1510 /* Defined only for Cray pointees; points to their pointer. */
1511 struct gfc_symbol
*cp_pointer
;
1513 int entry_id
; /* Used in resolve.c for entries. */
1515 /* CLASS hashed name for declared and dynamic types in the class. */
1518 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1520 /* This is only used for pointer comparisons to check if symbols
1521 are in the same common block.
1522 In opposition to common_block, the common_head pointer takes into account
1523 equivalences: if A is in a common block C and A and B are in equivalence,
1524 then both A and B have common_head pointing to C, while A's common_block
1525 points to C and B's is NULL. */
1526 struct gfc_common_head
* common_head
;
1528 /* Make sure setup code for dummy arguments is generated in the correct
1532 gfc_namelist
*namelist
, *namelist_tail
;
1534 /* Change management fields. Symbols that might be modified by the
1535 current statement have the mark member nonzero. Of these symbols,
1536 symbols with old_symbol equal to NULL are symbols created within
1537 the current statement. Otherwise, old_symbol points to a copy of
1538 the old symbol. gfc_new is used in symbol.c to flag new symbols. */
1539 struct gfc_symbol
*old_symbol
;
1540 unsigned mark
:1, gfc_new
:1;
1542 /* The tlink field is used in the front end to carry the module
1543 declaration of separate module procedures so that the characteristics
1544 can be compared with the corresponding declaration in a submodule. In
1545 translation this field carries a linked list of symbols that require
1546 deferred initialization. */
1547 struct gfc_symbol
*tlink
;
1549 /* Nonzero if all equivalences associated with this symbol have been
1551 unsigned equiv_built
:1;
1552 /* Set if this variable is used as an index name in a FORALL. */
1553 unsigned forall_index
:1;
1554 /* Set if the symbol is used in a function result specification . */
1555 unsigned fn_result_spec
:1;
1556 /* Used to avoid multiple resolutions of a single symbol. */
1557 unsigned resolved
:1;
1558 /* Set if this is a module function or subroutine with the
1559 abreviated declaration in a submodule. */
1560 unsigned abr_modproc_decl
:1;
1563 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1567 /* Identity of the intrinsic module the symbol comes from, or
1568 INTMOD_NONE if it's not imported from a intrinsic module. */
1569 intmod_id from_intmod
;
1570 /* Identity of the symbol from intrinsic modules, from enums maintained
1571 separately by each intrinsic module. Used together with from_intmod,
1572 it uniquely identifies a symbol from an intrinsic module. */
1575 /* This may be repetitive, since the typespec now has a binding
1577 const char* binding_label
;
1578 /* Store a reference to the common_block, if this symbol is in one. */
1579 struct gfc_common_head
*common_block
;
1581 /* Link to corresponding association-list if this is an associate name. */
1582 struct gfc_association_list
*assoc
;
1587 struct gfc_undo_change_set
1589 vec
<gfc_symbol
*> syms
;
1590 vec
<gfc_typebound_proc
*> tbps
;
1591 gfc_undo_change_set
*previous
;
1595 /* This structure is used to keep track of symbols in common blocks. */
1596 typedef struct gfc_common_head
1599 char use_assoc
, saved
, threadprivate
;
1600 unsigned char omp_declare_target
: 1;
1601 unsigned char omp_declare_target_link
: 1;
1602 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1603 struct gfc_symbol
*head
;
1604 const char* binding_label
;
1610 #define gfc_get_common_head() XCNEW (gfc_common_head)
1613 /* A list of all the alternate entry points for a procedure. */
1615 typedef struct gfc_entry_list
1617 /* The symbol for this entry point. */
1619 /* The zero-based id of this entry point. */
1621 /* The LABEL_EXPR marking this entry point. */
1623 /* The next item in the list. */
1624 struct gfc_entry_list
*next
;
1628 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1630 /* Lists of rename info for the USE statement. */
1632 typedef struct gfc_use_rename
1634 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1635 struct gfc_use_rename
*next
;
1637 gfc_intrinsic_op op
;
1642 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1644 /* A list of all USE statements in a namespace. */
1646 typedef struct gfc_use_list
1648 const char *module_name
;
1649 const char *submodule_name
;
1653 struct gfc_use_rename
*rename
;
1655 /* Next USE statement. */
1656 struct gfc_use_list
*next
;
1660 #define gfc_get_use_list() XCNEW (gfc_use_list)
1662 /* Within a namespace, symbols are pointed to by symtree nodes that
1663 are linked together in a balanced binary tree. There can be
1664 several symtrees pointing to the same symbol node via USE
1667 typedef struct gfc_symtree
1669 BBT_HEADER (gfc_symtree
);
1674 gfc_symbol
*sym
; /* Symbol associated with this node */
1676 gfc_common_head
*common
;
1677 gfc_typebound_proc
*tb
;
1678 gfc_omp_udr
*omp_udr
;
1684 /* A linked list of derived types in the namespace. */
1685 typedef struct gfc_dt_list
1687 struct gfc_symbol
*derived
;
1688 struct gfc_dt_list
*next
;
1692 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1694 /* A list of all derived types. */
1695 extern gfc_dt_list
*gfc_derived_types
;
1697 typedef struct gfc_oacc_routine_name
1699 struct gfc_symbol
*sym
;
1700 struct gfc_omp_clauses
*clauses
;
1701 struct gfc_oacc_routine_name
*next
;
1703 gfc_oacc_routine_name
;
1705 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1707 /* A namespace describes the contents of procedure, module, interface block
1708 or BLOCK construct. */
1709 /* ??? Anything else use these? */
1711 typedef struct gfc_namespace
1713 /* Tree containing all the symbols in this namespace. */
1714 gfc_symtree
*sym_root
;
1715 /* Tree containing all the user-defined operators in the namespace. */
1716 gfc_symtree
*uop_root
;
1717 /* Tree containing all the common blocks. */
1718 gfc_symtree
*common_root
;
1719 /* Tree containing all the OpenMP user defined reductions. */
1720 gfc_symtree
*omp_udr_root
;
1722 /* Tree containing type-bound procedures. */
1723 gfc_symtree
*tb_sym_root
;
1724 /* Type-bound user operators. */
1725 gfc_symtree
*tb_uop_root
;
1726 /* For derived-types, store type-bound intrinsic operators here. */
1727 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1728 /* Linked list of finalizer procedures. */
1729 struct gfc_finalizer
*finalizers
;
1731 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1732 int set_flag
[GFC_LETTERS
];
1733 /* Keeps track of the implicit types associated with the letters. */
1734 gfc_typespec default_type
[GFC_LETTERS
];
1735 /* Store the positions of IMPLICIT statements. */
1736 locus implicit_loc
[GFC_LETTERS
];
1738 /* If this is a namespace of a procedure, this points to the procedure. */
1739 struct gfc_symbol
*proc_name
;
1740 /* If this is the namespace of a unit which contains executable
1741 code, this points to it. */
1742 struct gfc_code
*code
;
1744 /* Points to the equivalences set up in this namespace. */
1745 struct gfc_equiv
*equiv
, *old_equiv
;
1747 /* Points to the equivalence groups produced by trans_common. */
1748 struct gfc_equiv_list
*equiv_lists
;
1750 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1752 /* Points to the parent namespace, i.e. the namespace of a module or
1753 procedure in which the procedure belonging to this namespace is
1754 contained. The parent namespace points to this namespace either
1755 directly via CONTAINED, or indirectly via the chain built by
1757 struct gfc_namespace
*parent
;
1758 /* CONTAINED points to the first contained namespace. Sibling
1759 namespaces are chained via SIBLING. */
1760 struct gfc_namespace
*contained
, *sibling
;
1762 gfc_common_head blank_common
;
1763 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1765 gfc_st_label
*st_labels
;
1766 /* This list holds information about all the data initializers in
1768 struct gfc_data
*data
, *old_data
;
1770 /* !$ACC DECLARE. */
1771 gfc_oacc_declare
*oacc_declare
;
1773 /* !$ACC ROUTINE clauses. */
1774 gfc_omp_clauses
*oacc_routine_clauses
;
1776 /* !$ACC ROUTINE names. */
1777 gfc_oacc_routine_name
*oacc_routine_names
;
1779 gfc_charlen
*cl_list
;
1781 gfc_dt_list
*derived_types
;
1783 int save_all
, seen_save
, seen_implicit_none
;
1785 /* Normally we don't need to refcount namespaces. However when we read
1786 a module containing a function with multiple entry points, this
1787 will appear as several functions with the same formal namespace. */
1790 /* A list of all alternate entry points to this procedure (or NULL). */
1791 gfc_entry_list
*entries
;
1793 /* A list of USE statements in this namespace. */
1794 gfc_use_list
*use_stmts
;
1796 /* Linked list of !$omp declare simd constructs. */
1797 struct gfc_omp_declare_simd
*omp_declare_simd
;
1799 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1800 unsigned is_block_data
:1;
1802 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1803 unsigned has_import_set
:1;
1805 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1806 unsigned has_implicit_none_export
:1;
1808 /* Set to 1 if resolved has been called for this namespace.
1809 Holds -1 during resolution. */
1812 /* Set when resolve_types has been called for this namespace. */
1813 unsigned types_resolved
:1;
1815 /* Set to 1 if code has been generated for this namespace. */
1816 unsigned translated
:1;
1818 /* Set to 1 if symbols in this namespace should be 'construct entities',
1819 i.e. for BLOCK local variables. */
1820 unsigned construct_entities
:1;
1822 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1823 unsigned omp_udr_ns
:1;
1825 /* Set to 1 for !$ACC ROUTINE namespaces. */
1826 unsigned oacc_routine
:1;
1830 extern gfc_namespace
*gfc_current_ns
;
1831 extern gfc_namespace
*gfc_global_ns_list
;
1833 /* Global symbols are symbols of global scope. Currently we only use
1834 this to detect collisions already when parsing.
1835 TODO: Extend to verify procedure calls. */
1837 enum gfc_symbol_type
1839 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1840 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1843 typedef struct gfc_gsymbol
1845 BBT_HEADER(gfc_gsymbol
);
1848 const char *sym_name
;
1849 const char *mod_name
;
1850 const char *binding_label
;
1851 enum gfc_symbol_type type
;
1859 extern gfc_gsymbol
*gfc_gsym_root
;
1861 /* Information on interfaces being built. */
1864 interface_type type
;
1868 gfc_intrinsic_op op
;
1872 extern gfc_interface_info current_interface
;
1875 /* Array reference. */
1877 enum gfc_array_ref_dimen_type
1879 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1882 typedef struct gfc_array_ref
1885 int dimen
; /* # of components in the reference */
1887 bool in_allocate
; /* For coarray checks. */
1892 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1893 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1894 *stride
[GFC_MAX_DIMENSIONS
];
1896 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1900 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1903 /* Component reference nodes. A variable is stored as an expression
1904 node that points to the base symbol. After that, a singly linked
1905 list of component reference nodes gives the variable's complete
1906 resolution. The array_ref component may be present and comes
1907 before the component component. */
1910 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
};
1912 typedef struct gfc_ref
1918 struct gfc_array_ref ar
;
1922 gfc_component
*component
;
1929 struct gfc_expr
*start
, *end
; /* Substring */
1930 gfc_charlen
*length
;
1937 struct gfc_ref
*next
;
1941 #define gfc_get_ref() XCNEW (gfc_ref)
1944 /* Structures representing intrinsic symbols and their arguments lists. */
1945 typedef struct gfc_intrinsic_arg
1947 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1950 unsigned optional
:1, value
:1;
1951 ENUM_BITFIELD (sym_intent
) intent
:2;
1952 gfc_actual_arglist
*actual
;
1954 struct gfc_intrinsic_arg
*next
;
1960 /* Specifies the various kinds of check functions used to verify the
1961 argument lists of intrinsic functions. fX with X an integer refer
1962 to check functions of intrinsics with X arguments. f1m is used for
1963 the MAX and MIN intrinsics which can have an arbitrary number of
1964 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1965 these have special semantics. */
1970 bool (*f1
)(struct gfc_expr
*);
1971 bool (*f1m
)(gfc_actual_arglist
*);
1972 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1973 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1974 bool (*f3ml
)(gfc_actual_arglist
*);
1975 bool (*f3red
)(gfc_actual_arglist
*);
1976 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1978 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1979 struct gfc_expr
*, struct gfc_expr
*);
1983 /* Like gfc_check_f, these specify the type of the simplification
1984 function associated with an intrinsic. The fX are just like in
1985 gfc_check_f. cc is used for type conversion functions. */
1989 struct gfc_expr
*(*f0
)(void);
1990 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1991 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1992 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1994 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1995 struct gfc_expr
*, struct gfc_expr
*);
1996 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1997 struct gfc_expr
*, struct gfc_expr
*,
1999 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
2003 /* Again like gfc_check_f, these specify the type of the resolution
2004 function associated with an intrinsic. The fX are just like in
2005 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2009 void (*f0
)(struct gfc_expr
*);
2010 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
2011 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
2012 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2013 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2015 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2016 struct gfc_expr
*, struct gfc_expr
*);
2017 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2018 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2019 void (*s1
)(struct gfc_code
*);
2024 typedef struct gfc_intrinsic_sym
2026 const char *name
, *lib_name
;
2027 gfc_intrinsic_arg
*formal
;
2029 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
2030 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
2031 from_module
:1, vararg
:1;
2035 gfc_simplify_f simplify
;
2037 gfc_resolve_f resolve
;
2038 struct gfc_intrinsic_sym
*specific_head
, *next
;
2045 /* Expression nodes. The expression node types deserve explanations,
2046 since the last couple can be easily misconstrued:
2048 EXPR_OP Operator node pointing to one or two other nodes
2049 EXPR_FUNCTION Function call, symbol points to function's name
2050 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2051 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2052 which expresses structure, array and substring refs.
2053 EXPR_NULL The NULL pointer value (which also has a basic type).
2054 EXPR_SUBSTRING A substring of a constant string
2055 EXPR_STRUCTURE A structure constructor
2056 EXPR_ARRAY An array constructor.
2057 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2058 component or type-bound procedure. */
2062 #define GFC_RND_MODE GMP_RNDN
2063 #define GFC_MPC_RND_MODE MPC_RNDNN
2065 typedef splay_tree gfc_constructor_base
;
2067 typedef struct gfc_expr
2071 gfc_typespec ts
; /* These two refer to the overall expression */
2073 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
2074 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
2076 /* Nonnull for functions and structure constructors, may also used to hold the
2077 base-object for component calls. */
2078 gfc_symtree
*symtree
;
2084 /* Used to store the base expression in component calls, when the expression
2085 is not a variable. */
2086 struct gfc_expr
*base_expr
;
2088 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
2089 denotes a signalling not-a-number. */
2090 unsigned int is_boz
: 1, is_snan
: 1;
2092 /* Sometimes, when an error has been emitted, it is necessary to prevent
2093 it from recurring. */
2094 unsigned int error
: 1;
2096 /* Mark an expression where a user operator has been substituted by
2097 a function call in interface.c(gfc_extend_expr). */
2098 unsigned int user_operator
: 1;
2100 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2101 unsigned int mold
: 1;
2103 /* Will require finalization after use. */
2104 unsigned int must_finalize
: 1;
2106 /* If an expression comes from a Hollerith constant or compile-time
2107 evaluation of a transfer statement, it may have a prescribed target-
2108 memory representation, and these cannot always be backformed from
2131 gfc_intrinsic_op op
;
2133 struct gfc_expr
*op1
, *op2
;
2139 gfc_actual_arglist
*actual
;
2140 const char *name
; /* Points to the ultimate name of the function */
2141 gfc_intrinsic_sym
*isym
;
2148 gfc_actual_arglist
* actual
;
2150 /* Base-object, whose component was called. NULL means that it should
2151 be taken from symtree/ref. */
2152 struct gfc_expr
* base_object
;
2153 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2155 /* For type-bound operators, we want to call PASS procedures but already
2156 have the full arglist; mark this, so that it is not extended by the
2158 unsigned ignore_pass
:1;
2160 /* Do assign-calls rather than calls, that is appropriate dependency
2173 gfc_constructor_base constructor
;
2181 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2183 /* Structures for information associated with different kinds of
2184 numbers. The first set of integer parameters define all there is
2185 to know about a particular kind. The rest of the elements are
2186 computed from the first elements. */
2190 /* Values really representable by the target. */
2191 mpz_t huge
, pedantic_min_int
, min_int
;
2193 int kind
, radix
, digits
, bit_size
, range
;
2195 /* True if the C type of the given name maps to this precision.
2196 Note that more than one bit can be set. */
2197 unsigned int c_char
: 1;
2198 unsigned int c_short
: 1;
2199 unsigned int c_int
: 1;
2200 unsigned int c_long
: 1;
2201 unsigned int c_long_long
: 1;
2205 extern gfc_integer_info gfc_integer_kinds
[];
2212 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2213 unsigned int c_bool
: 1;
2217 extern gfc_logical_info gfc_logical_kinds
[];
2222 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2223 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2224 int range
, precision
;
2226 /* The precision of the type as reported by GET_MODE_PRECISION. */
2229 /* True if the C type of the given name maps to this precision.
2230 Note that more than one bit can be set. */
2231 unsigned int c_float
: 1;
2232 unsigned int c_double
: 1;
2233 unsigned int c_long_double
: 1;
2234 unsigned int c_float128
: 1;
2238 extern gfc_real_info gfc_real_kinds
[];
2247 extern gfc_character_info gfc_character_kinds
[];
2250 /* Equivalence structures. Equivalent lvalues are linked along the
2251 *eq pointer, equivalence sets are strung along the *next node. */
2252 typedef struct gfc_equiv
2254 struct gfc_equiv
*next
, *eq
;
2261 #define gfc_get_equiv() XCNEW (gfc_equiv)
2263 /* Holds a single equivalence member after processing. */
2264 typedef struct gfc_equiv_info
2267 HOST_WIDE_INT offset
;
2268 HOST_WIDE_INT length
;
2269 struct gfc_equiv_info
*next
;
2272 /* Holds equivalence groups, after they have been processed. */
2273 typedef struct gfc_equiv_list
2275 gfc_equiv_info
*equiv
;
2276 struct gfc_equiv_list
*next
;
2279 /* gfc_case stores the selector list of a case statement. The *low
2280 and *high pointers can point to the same expression in the case of
2281 a single value. If *high is NULL, the selection is from *low
2282 upwards, if *low is NULL the selection is *high downwards.
2284 This structure has separate fields to allow single and double linked
2285 lists of CASEs at the same time. The singe linked list along the NEXT
2286 field is a list of cases for a single CASE label. The double linked
2287 list along the LEFT/RIGHT fields is used to detect overlap and to
2288 build a table of the cases for SELECT constructs with a CHARACTER
2291 typedef struct gfc_case
2293 /* Where we saw this case. */
2297 /* Case range values. If (low == high), it's a single value. If one of
2298 the labels is NULL, it's an unbounded case. If both are NULL, this
2299 represents the default case. */
2300 gfc_expr
*low
, *high
;
2302 /* Only used for SELECT TYPE. */
2305 /* Next case label in the list of cases for a single CASE label. */
2306 struct gfc_case
*next
;
2308 /* Used for detecting overlap, and for code generation. */
2309 struct gfc_case
*left
, *right
;
2311 /* True if this case label can never be matched. */
2316 #define gfc_get_case() XCNEW (gfc_case)
2321 gfc_expr
*var
, *start
, *end
, *step
;
2325 #define gfc_get_iterator() XCNEW (gfc_iterator)
2328 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2330 typedef struct gfc_alloc
2333 struct gfc_alloc
*next
;
2337 #define gfc_get_alloc() XCNEW (gfc_alloc)
2342 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2343 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2344 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
,
2354 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2362 gfc_expr
*unit
, *iostat
, *iomsg
;
2370 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2371 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2372 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2373 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2374 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2375 *iqstream
, *share
, *cc
;
2385 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2386 gfc_st_label
*err
, *end
, *eor
;
2393 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2394 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2395 *sign
, *extra_comma
, *dt_io_kind
, *udtio
;
2398 gfc_symbol
*namelist
;
2399 /* A format_label of `format_asterisk' indicates the "*" format */
2400 gfc_st_label
*format_label
;
2401 gfc_st_label
*err
, *end
, *eor
;
2403 locus eor_where
, end_where
, err_where
;
2408 typedef struct gfc_forall_iterator
2410 gfc_expr
*var
, *start
, *end
, *stride
;
2411 struct gfc_forall_iterator
*next
;
2413 gfc_forall_iterator
;
2416 /* Linked list to store associations in an ASSOCIATE statement. */
2418 typedef struct gfc_association_list
2420 struct gfc_association_list
*next
;
2422 /* Whether this is association to a variable that can be changed; otherwise,
2423 it's association to an expression and the name may not be used as
2425 unsigned variable
:1;
2427 /* True if this struct is currently only linked to from a gfc_symbol rather
2428 than as part of a real list in gfc_code->ext.block.assoc. This may
2429 happen for SELECT TYPE temporaries and must be considered
2430 for memory handling. */
2431 unsigned dangling
:1;
2433 /* True when the rank of the target expression is guessed during parsing. */
2434 unsigned rankguessed
:1;
2436 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2437 gfc_symtree
*st
; /* Symtree corresponding to name. */
2442 gfc_association_list
;
2443 #define gfc_get_association_list() XCNEW (gfc_association_list)
2446 /* Executable statements that fill gfc_code structures. */
2449 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2450 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2451 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2452 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2453 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2454 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2455 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2456 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2457 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2458 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2459 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2460 EXEC_LOCK
, EXEC_UNLOCK
, EXEC_EVENT_POST
, EXEC_EVENT_WAIT
,
2461 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
, EXEC_OACC_ROUTINE
,
2462 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2463 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2464 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
, EXEC_OACC_ATOMIC
,
2466 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2467 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2468 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2469 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2470 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2471 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2472 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2473 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2474 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2475 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2476 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2477 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2478 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2479 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2480 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2481 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2482 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2483 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2484 EXEC_OMP_TARGET_UPDATE
, EXEC_OMP_END_CRITICAL
,
2485 EXEC_OMP_TARGET_ENTER_DATA
, EXEC_OMP_TARGET_EXIT_DATA
,
2486 EXEC_OMP_TARGET_PARALLEL
, EXEC_OMP_TARGET_PARALLEL_DO
,
2487 EXEC_OMP_TARGET_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET_SIMD
,
2488 EXEC_OMP_TASKLOOP
, EXEC_OMP_TASKLOOP_SIMD
2491 enum gfc_omp_atomic_op
2493 GFC_OMP_ATOMIC_UPDATE
= 0,
2494 GFC_OMP_ATOMIC_READ
= 1,
2495 GFC_OMP_ATOMIC_WRITE
= 2,
2496 GFC_OMP_ATOMIC_CAPTURE
= 3,
2497 GFC_OMP_ATOMIC_MASK
= 3,
2498 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2499 GFC_OMP_ATOMIC_SWAP
= 8
2502 typedef struct gfc_code
2506 struct gfc_code
*block
, *next
;
2509 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2510 gfc_symtree
*symtree
;
2511 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2512 /* A name isn't sufficient to identify a subroutine, we need the actual
2513 symbol for the interface definition.
2514 const char *sub_name; */
2515 gfc_symbol
*resolved_sym
;
2516 gfc_intrinsic_sym
*resolved_isym
;
2520 gfc_actual_arglist
*actual
;
2521 gfc_iterator
*iterator
;
2527 /* Take the array specification from expr3 to allocate arrays
2528 without an explicit array specification. */
2529 unsigned arr_spec_from_expr3
:1;
2536 gfc_association_list
*assoc
;
2537 gfc_case
*case_list
;
2543 gfc_filepos
*filepos
;
2544 gfc_inquire
*inquire
;
2547 gfc_forall_iterator
*forall_iterator
;
2548 struct gfc_code
*which_construct
;
2550 gfc_entry_list
*entry
;
2551 gfc_oacc_declare
*oacc_declare
;
2552 gfc_omp_clauses
*omp_clauses
;
2553 const char *omp_name
;
2554 gfc_omp_namelist
*omp_namelist
;
2556 gfc_omp_atomic_op omp_atomic
;
2558 ext
; /* Points to additional structures required by statement */
2560 /* Cycle and break labels in constructs. */
2567 /* Storage for DATA statements. */
2568 typedef struct gfc_data_variable
2572 struct gfc_data_variable
*list
, *next
;
2577 typedef struct gfc_data_value
2581 struct gfc_data_value
*next
;
2586 typedef struct gfc_data
2588 gfc_data_variable
*var
;
2589 gfc_data_value
*value
;
2592 struct gfc_data
*next
;
2597 /* Structure for holding compile options */
2601 gfc_source_form source_form
;
2602 int max_continue_fixed
;
2603 int max_continue_free
;
2604 int max_identifier_length
;
2608 int flag_preprocessed
;
2610 int flag_init_integer
;
2611 int flag_init_integer_value
;
2612 int flag_init_logical
;
2613 int flag_init_character
;
2614 char flag_init_character_value
;
2625 extern gfc_option_t gfc_option
;
2627 /* Constructor nodes for array and structure constructors. */
2628 typedef struct gfc_constructor
2630 gfc_constructor_base base
;
2631 mpz_t offset
; /* Offset within a constructor, used as
2635 gfc_iterator
*iterator
;
2640 gfc_component
*component
; /* Record the component being initialized. */
2643 mpz_t repeat
; /* Record the repeat number of initial values in data
2644 statement like "data a/5*10/". */
2649 typedef struct iterator_stack
2651 gfc_symtree
*variable
;
2653 struct iterator_stack
*prev
;
2656 extern iterator_stack
*iter_stack
;
2659 /* Used for (possibly nested) SELECT TYPE statements. */
2660 typedef struct gfc_select_type_stack
2662 gfc_symbol
*selector
; /* Current selector variable. */
2663 gfc_symtree
*tmp
; /* Current temporary variable. */
2664 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2666 gfc_select_type_stack
;
2667 extern gfc_select_type_stack
*select_type_stack
;
2668 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2671 /* Node in the linked list used for storing finalizer procedures. */
2673 typedef struct gfc_finalizer
2675 struct gfc_finalizer
* next
;
2676 locus where
; /* Where the FINAL declaration occurred. */
2678 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2679 symtree and later need only that. This way, we can access and call the
2680 finalizers from every context as they should be "always accessible". I
2681 don't make this a union because we need the information whether proc_sym is
2682 still referenced or not for dereferencing it on deleting a gfc_finalizer
2684 gfc_symbol
* proc_sym
;
2685 gfc_symtree
* proc_tree
;
2688 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2691 /************************ Function prototypes *************************/
2694 bool gfc_in_match_data (void);
2695 match
gfc_match_char_spec (gfc_typespec
*);
2698 void gfc_scanner_done_1 (void);
2699 void gfc_scanner_init_1 (void);
2701 void gfc_add_include_path (const char *, bool, bool, bool);
2702 void gfc_add_intrinsic_modules_path (const char *);
2703 void gfc_release_include_path (void);
2704 FILE *gfc_open_included_file (const char *, bool, bool);
2706 int gfc_at_end (void);
2707 int gfc_at_eof (void);
2708 int gfc_at_bol (void);
2709 int gfc_at_eol (void);
2710 void gfc_advance_line (void);
2711 int gfc_check_include (void);
2712 int gfc_define_undef_line (void);
2714 int gfc_wide_is_printable (gfc_char_t
);
2715 int gfc_wide_is_digit (gfc_char_t
);
2716 int gfc_wide_fits_in_byte (gfc_char_t
);
2717 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2718 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2719 size_t gfc_wide_strlen (const gfc_char_t
*);
2720 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2721 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2722 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2723 gfc_char_t
*gfc_char_to_widechar (const char *);
2725 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2727 void gfc_skip_comments (void);
2728 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2729 gfc_char_t
gfc_next_char (void);
2730 char gfc_next_ascii_char (void);
2731 gfc_char_t
gfc_peek_char (void);
2732 char gfc_peek_ascii_char (void);
2733 void gfc_error_recovery (void);
2734 void gfc_gobble_whitespace (void);
2735 bool gfc_new_file (void);
2736 const char * gfc_read_orig_filename (const char *, const char **);
2738 extern gfc_source_form gfc_current_form
;
2739 extern const char *gfc_source_file
;
2740 extern locus gfc_current_locus
;
2742 void gfc_start_source_files (void);
2743 void gfc_end_source_files (void);
2746 void gfc_clear_ts (gfc_typespec
*);
2747 FILE *gfc_open_file (const char *);
2748 const char *gfc_basic_typename (bt
);
2749 const char *gfc_typename (gfc_typespec
*);
2750 const char *gfc_op2string (gfc_intrinsic_op
);
2751 const char *gfc_code2string (const mstring
*, int);
2752 int gfc_string2code (const mstring
*, const char *);
2753 const char *gfc_intent_string (sym_intent
);
2755 void gfc_init_1 (void);
2756 void gfc_init_2 (void);
2757 void gfc_done_1 (void);
2758 void gfc_done_2 (void);
2760 int get_c_kind (const char *, CInteropKind_t
*);
2763 unsigned int gfc_option_lang_mask (void);
2764 void gfc_init_options_struct (struct gcc_options
*);
2765 void gfc_init_options (unsigned int,
2766 struct cl_decoded_option
*);
2767 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2768 const struct cl_option_handlers
*);
2769 bool gfc_post_options (const char **);
2770 char *gfc_get_option_string (void);
2773 void gfc_maybe_initialize_eh (void);
2776 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2777 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2780 void gfc_error_init_1 (void);
2781 void gfc_diagnostics_init (void);
2782 void gfc_diagnostics_finish (void);
2783 void gfc_buffer_error (bool);
2785 const char *gfc_print_wide_char (gfc_char_t
);
2787 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2788 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2789 bool gfc_warning_internal (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2790 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2791 ATTRIBUTE_GCC_GFC(3,4);
2793 void gfc_clear_warning (void);
2794 void gfc_warning_check (void);
2796 void gfc_error_opt (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2797 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2798 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2799 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2800 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2801 void gfc_clear_error (void);
2802 bool gfc_error_check (void);
2803 bool gfc_error_flag_test (void);
2805 notification
gfc_notification_std (int);
2806 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2808 /* A general purpose syntax error. */
2809 #define gfc_syntax_error(ST) \
2810 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2812 #include "pretty-print.h" /* For output_buffer. */
2813 struct gfc_error_buffer
2816 output_buffer buffer
;
2817 gfc_error_buffer(void) : flag(false), buffer() {}
2820 void gfc_push_error (gfc_error_buffer
*);
2821 void gfc_pop_error (gfc_error_buffer
*);
2822 void gfc_free_error (gfc_error_buffer
*);
2824 void gfc_get_errors (int *, int *);
2825 void gfc_errors_to_warnings (bool);
2828 void gfc_arith_init_1 (void);
2829 void gfc_arith_done_1 (void);
2830 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2831 bool gfc_check_character_range (gfc_char_t
, int);
2834 bool gfc_check_any_c_kind (gfc_typespec
*);
2835 int gfc_validate_kind (bt
, int, bool);
2836 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2837 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2838 tree
gfc_get_union_type (gfc_symbol
*);
2839 tree
gfc_get_derived_type (gfc_symbol
* derived
, bool in_coarray
= false);
2840 extern int gfc_index_integer_kind
;
2841 extern int gfc_default_integer_kind
;
2842 extern int gfc_max_integer_kind
;
2843 extern int gfc_default_real_kind
;
2844 extern int gfc_default_double_kind
;
2845 extern int gfc_default_character_kind
;
2846 extern int gfc_default_logical_kind
;
2847 extern int gfc_default_complex_kind
;
2848 extern int gfc_c_int_kind
;
2849 extern int gfc_atomic_int_kind
;
2850 extern int gfc_atomic_logical_kind
;
2851 extern int gfc_intio_kind
;
2852 extern int gfc_charlen_int_kind
;
2853 extern int gfc_numeric_storage_size
;
2854 extern int gfc_character_storage_size
;
2857 void gfc_clear_new_implicit (void);
2858 bool gfc_add_new_implicit_range (int, int);
2859 bool gfc_merge_new_implicit (gfc_typespec
*);
2860 void gfc_set_implicit_none (bool, bool, locus
*);
2861 void gfc_check_function_type (gfc_namespace
*);
2862 bool gfc_is_intrinsic_typename (const char *);
2864 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2865 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2867 void gfc_set_sym_referenced (gfc_symbol
*);
2869 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2870 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2871 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2872 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2873 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2874 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2875 bool gfc_add_external (symbol_attribute
*, locus
*);
2876 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2877 bool gfc_add_optional (symbol_attribute
*, locus
*);
2878 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2879 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2880 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2881 match
gfc_mod_pointee_as (gfc_array_spec
*);
2882 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2883 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2884 bool gfc_add_automatic (symbol_attribute
*, const char *, locus
*);
2885 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2886 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2887 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2888 bool gfc_add_omp_declare_target_link (symbol_attribute
*, const char *,
2890 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2891 bool gfc_add_target (symbol_attribute
*, locus
*);
2892 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2893 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2894 bool gfc_add_common (symbol_attribute
*, locus
*);
2895 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2896 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2897 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2898 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2899 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2900 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2901 bool gfc_add_pure (symbol_attribute
*, locus
*);
2902 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2903 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2904 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2905 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2906 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2907 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2908 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2910 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2911 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2912 bool gfc_add_extension (symbol_attribute
*, locus
*);
2913 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2914 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2915 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2916 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2917 const char *, locus
*);
2918 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2919 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2920 gfc_formal_arglist
*, locus
*);
2921 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2923 void gfc_clear_attr (symbol_attribute
*);
2924 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2925 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2926 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
2927 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2928 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2929 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2930 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool,
2933 gfc_st_label
*gfc_get_st_label (int);
2934 void gfc_free_st_label (gfc_st_label
*);
2935 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2936 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2938 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2939 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2940 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2941 void gfc_delete_symtree (gfc_symtree
**, const char *);
2942 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2943 gfc_user_op
*gfc_get_uop (const char *);
2944 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2945 void gfc_free_symbol (gfc_symbol
*);
2946 void gfc_release_symbol (gfc_symbol
*);
2947 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2948 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2949 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2950 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2951 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2952 bool gfc_verify_c_interop (gfc_typespec
*);
2953 bool gfc_verify_c_interop_param (gfc_symbol
*);
2954 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2955 bool verify_bind_c_derived_type (gfc_symbol
*);
2956 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2957 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2958 const char *, gfc_symtree
*, bool);
2959 void gfc_save_symbol_data (gfc_symbol
*);
2960 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2961 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2962 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2964 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2965 void gfc_drop_last_undo_checkpoint (void);
2966 void gfc_restore_last_undo_checkpoint (void);
2967 void gfc_undo_symbols (void);
2968 void gfc_commit_symbols (void);
2969 void gfc_commit_symbol (gfc_symbol
*);
2970 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2971 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2972 void gfc_free_namespace (gfc_namespace
*);
2974 void gfc_symbol_init_2 (void);
2975 void gfc_symbol_done_2 (void);
2977 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2978 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2979 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2980 void gfc_save_all (gfc_namespace
*);
2982 void gfc_enforce_clean_symbol_state (void);
2983 void gfc_free_dt_list (void);
2986 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2987 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2989 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2990 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2991 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2992 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2993 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2995 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2996 gfc_actual_arglist
*);
2998 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
3000 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
3001 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
3003 bool gfc_is_associate_pointer (gfc_symbol
*);
3004 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
3005 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
3007 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3008 extern bool gfc_init_expr_flag
;
3010 /* Given a symbol that we have decided is intrinsic, mark it as such
3011 by placing it into a special module that is otherwise impossible to
3014 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3016 void gfc_intrinsic_init_1 (void);
3017 void gfc_intrinsic_done_1 (void);
3019 char gfc_type_letter (bt
);
3020 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
3021 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
3022 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
3023 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
3024 int gfc_generic_intrinsic (const char *);
3025 int gfc_specific_intrinsic (const char *);
3026 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
3027 int gfc_intrinsic_actual_ok (const char *, const bool);
3028 gfc_intrinsic_sym
*gfc_find_function (const char *);
3029 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
3030 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
3031 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
3032 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
3033 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
3036 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
3037 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3039 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3040 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3043 /* match.c -- FIXME */
3044 void gfc_free_iterator (gfc_iterator
*, int);
3045 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3046 void gfc_free_alloc_list (gfc_alloc
*);
3047 void gfc_free_namelist (gfc_namelist
*);
3048 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3049 void gfc_free_equiv (gfc_equiv
*);
3050 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3051 void gfc_free_data (gfc_data
*);
3052 void gfc_reject_data (gfc_namespace
*);
3053 void gfc_free_case_list (gfc_case
*);
3055 /* matchexp.c -- FIXME too? */
3056 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3059 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3060 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3061 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare
*);
3062 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3063 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3064 void gfc_free_omp_udr (gfc_omp_udr
*);
3065 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3066 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3067 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
3068 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3069 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3070 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3071 void gfc_resolve_omp_udrs (gfc_symtree
*);
3072 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3073 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3074 void gfc_free_expr_list (gfc_expr_list
*);
3075 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3076 void gfc_resolve_oacc_declare (gfc_namespace
*);
3077 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3078 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3081 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3082 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3083 const char *gfc_extract_int (gfc_expr
*, int *);
3084 bool is_subref_array (gfc_expr
*);
3085 bool gfc_is_simply_contiguous (gfc_expr
*, bool, bool);
3086 bool gfc_check_init_expr (gfc_expr
*);
3088 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3089 void gfc_free_ref_list (gfc_ref
*);
3090 void gfc_type_convert_binary (gfc_expr
*, int);
3091 bool gfc_is_constant_expr (gfc_expr
*);
3092 bool gfc_simplify_expr (gfc_expr
*, int);
3093 int gfc_has_vector_index (gfc_expr
*);
3095 gfc_expr
*gfc_get_expr (void);
3096 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3097 gfc_expr
*gfc_get_null_expr (locus
*);
3098 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3099 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3100 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3101 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
3102 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
3103 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3104 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3106 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3107 void gfc_free_shape (mpz_t
**shape
, int rank
);
3108 void gfc_free_expr (gfc_expr
*);
3109 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3110 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3111 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3112 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3113 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3115 bool gfc_specification_expr (gfc_expr
*);
3117 int gfc_numeric_ts (gfc_typespec
*);
3118 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3120 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3121 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int, bool c
= true);
3122 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
3123 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3125 gfc_expr
*gfc_build_default_init_expr (gfc_typespec
*, locus
*);
3126 void gfc_apply_init (gfc_typespec
*, symbol_attribute
*, gfc_expr
*);
3127 bool gfc_has_default_initializer (gfc_symbol
*);
3128 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3129 gfc_expr
*gfc_generate_initializer (gfc_typespec
*, bool);
3130 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3131 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3132 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3134 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3136 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3137 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3139 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3140 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3142 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3143 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3144 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3145 bool gfc_is_alloc_class_array_function (gfc_expr
*);
3147 bool gfc_ref_this_image (gfc_ref
*ref
);
3148 bool gfc_is_coindexed (gfc_expr
*);
3149 bool gfc_is_coarray (gfc_expr
*);
3150 int gfc_get_corank (gfc_expr
*);
3151 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3152 bool gfc_has_ultimate_pointer (gfc_expr
*);
3153 gfc_expr
* gfc_find_stat_co (gfc_expr
*);
3154 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3155 locus
, unsigned, ...);
3156 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3160 extern gfc_code new_st
;
3162 void gfc_clear_new_st (void);
3163 gfc_code
*gfc_get_code (gfc_exec_op
);
3164 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3165 void gfc_free_statement (gfc_code
*);
3166 void gfc_free_statements (gfc_code
*);
3167 void gfc_free_association_list (gfc_association_list
*);
3170 bool gfc_resolve_expr (gfc_expr
*);
3171 void gfc_resolve (gfc_namespace
*);
3172 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3173 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3174 int gfc_impure_variable (gfc_symbol
*);
3175 int gfc_pure (gfc_symbol
*);
3176 int gfc_implicit_pure (gfc_symbol
*);
3177 void gfc_unset_implicit_pure (gfc_symbol
*);
3178 int gfc_elemental (gfc_symbol
*);
3179 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3180 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3181 bool gfc_resolve_index (gfc_expr
*, int);
3182 bool gfc_resolve_dim_arg (gfc_expr
*);
3183 bool gfc_is_formal_arg (void);
3184 void gfc_resolve_substring_charlen (gfc_expr
*);
3185 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3186 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3187 bool gfc_type_is_extensible (gfc_symbol
*);
3188 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3189 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3190 extern int gfc_do_concurrent_flag
;
3194 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3196 void gfc_free_array_spec (gfc_array_spec
*);
3197 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3199 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3200 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3201 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3203 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3205 void gfc_simplify_iterator_var (gfc_expr
*);
3206 bool gfc_expand_constructor (gfc_expr
*, bool);
3207 int gfc_constant_ac (gfc_expr
*);
3208 int gfc_expanded_ac (gfc_expr
*);
3209 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3210 bool gfc_resolve_array_constructor (gfc_expr
*);
3211 bool gfc_check_constructor_type (gfc_expr
*);
3212 bool gfc_check_iter_variable (gfc_expr
*);
3213 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3214 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3215 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3216 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3217 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*, bool a
= false);
3218 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3219 bool spec_size (gfc_array_spec
*, mpz_t
*);
3220 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3221 bool gfc_is_compile_time_shape (gfc_array_spec
*);
3223 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3226 /* interface.c -- FIXME: some of these should be in symbol.c */
3227 void gfc_free_interface (gfc_interface
*);
3228 bool gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3229 bool gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3230 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3232 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3234 bool gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3235 char *, int, const char *, const char *);
3236 void gfc_check_interfaces (gfc_namespace
*);
3237 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3238 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3239 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3240 gfc_actual_arglist
**);
3241 match
gfc_extend_expr (gfc_expr
*);
3242 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3243 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3244 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3245 bool gfc_add_interface (gfc_symbol
*);
3246 gfc_interface
*gfc_current_interface_head (void);
3247 void gfc_set_current_interface_head (gfc_interface
*);
3248 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3249 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3250 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3251 bool gfc_has_vector_subscript (gfc_expr
*);
3252 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3253 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3254 void gfc_check_dtio_interfaces (gfc_symbol
*);
3255 gfc_symtree
* gfc_find_typebound_dtio_proc (gfc_symbol
*, bool, bool);
3256 gfc_symbol
* gfc_find_specific_dtio_proc (gfc_symbol
*, bool, bool);
3260 extern gfc_st_label format_asterisk
;
3262 void gfc_free_open (gfc_open
*);
3263 bool gfc_resolve_open (gfc_open
*);
3264 void gfc_free_close (gfc_close
*);
3265 bool gfc_resolve_close (gfc_close
*);
3266 void gfc_free_filepos (gfc_filepos
*);
3267 bool gfc_resolve_filepos (gfc_filepos
*);
3268 void gfc_free_inquire (gfc_inquire
*);
3269 bool gfc_resolve_inquire (gfc_inquire
*);
3270 void gfc_free_dt (gfc_dt
*);
3271 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3272 void gfc_free_wait (gfc_wait
*);
3273 bool gfc_resolve_wait (gfc_wait
*);
3276 void gfc_module_init_2 (void);
3277 void gfc_module_done_2 (void);
3278 void gfc_dump_module (const char *, int);
3279 bool gfc_check_symbol_access (gfc_symbol
*);
3280 void gfc_free_use_stmts (gfc_use_list
*);
3281 const char *gfc_dt_lower_string (const char *);
3282 const char *gfc_dt_upper_string (const char *);
3285 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3286 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3287 symbol_attribute
gfc_caf_attr (gfc_expr
*, bool i
= false, bool *r
= NULL
);
3288 match
gfc_match_rvalue (gfc_expr
**);
3289 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3290 int gfc_check_digit (char, int);
3291 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3292 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3294 gfc_actual_arglist
**, bool);
3297 void gfc_generate_code (gfc_namespace
*);
3298 void gfc_generate_module_code (gfc_namespace
*);
3300 /* trans-intrinsic.c */
3301 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3304 typedef int (*compare_fn
) (void *, void *);
3305 void gfc_insert_bbt (void *, void *, compare_fn
);
3306 void gfc_delete_bbt (void *, void *, compare_fn
);
3308 /* dump-parse-tree.c */
3309 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3312 bool gfc_parse_file (void);
3313 void gfc_global_used (gfc_gsymbol
*, locus
*);
3314 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3317 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3318 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3319 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3322 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3323 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3324 size_t*, size_t*, size_t*);
3327 void gfc_fix_class_refs (gfc_expr
*e
);
3328 void gfc_add_component_ref (gfc_expr
*, const char *);
3329 void gfc_add_class_array_ref (gfc_expr
*);
3330 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3331 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3332 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3333 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3334 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3335 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3336 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3337 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3338 bool gfc_is_class_scalar_expr (gfc_expr
*);
3339 bool gfc_is_class_container_ref (gfc_expr
*e
);
3340 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3341 unsigned int gfc_hash_value (gfc_symbol
*);
3342 gfc_expr
*gfc_get_len_component (gfc_expr
*e
);
3343 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3345 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3346 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3347 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3348 const char*, bool, locus
*);
3349 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3350 const char*, bool, locus
*);
3351 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3352 gfc_intrinsic_op
, bool,
3354 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3355 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3357 #define CLASS_DATA(sym) sym->ts.u.derived->components
3358 #define UNLIMITED_POLY(sym) \
3359 (sym != NULL && sym->ts.type == BT_CLASS \
3360 && CLASS_DATA (sym) \
3361 && CLASS_DATA (sym)->ts.u.derived \
3362 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3363 #define IS_CLASS_ARRAY(sym) \
3364 (sym->ts.type == BT_CLASS \
3365 && CLASS_DATA (sym) \
3366 && CLASS_DATA (sym)->attr.dimension \
3367 && !CLASS_DATA (sym)->attr.class_pointer)
3369 /* frontend-passes.c */
3371 void gfc_run_passes (gfc_namespace
*);
3373 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3374 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3376 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3377 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3378 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3382 void gfc_convert_mpz_to_signed (mpz_t
, int);
3383 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3387 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3391 void finish_oacc_declare (gfc_namespace
*, gfc_symbol
*, bool);
3393 #endif /* GCC_GFORTRAN_H */