1 /* gfortran header file
2 Copyright (C) 2000-2019 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
53 #include "splay-tree.h"
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
58 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
60 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
65 /* Macros to check for groups of structure-like types and flavors since
66 derived types, structures, maps, unions are often treated similarly. */
67 #define gfc_bt_struct(t) \
68 ((t) == BT_DERIVED || (t) == BT_UNION)
69 #define gfc_fl_struct(f) \
70 ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT)
71 #define case_bt_struct case BT_DERIVED: case BT_UNION
72 #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
85 /* A prefix for internal variables, which are not user-visible. */
86 #if !defined (NO_DOT_IN_LABEL)
87 # define GFC_PREFIX(x) "_F." x
88 #elif !defined (NO_DOLLAR_IN_LABEL)
89 # define GFC_PREFIX(x) "_F$" x
91 # define GFC_PREFIX(x) "_F_" x
94 #define BLANK_COMMON_NAME "__BLNK__"
96 /* Macro to initialize an mstring structure. */
97 #define minit(s, t) { s, NULL, t }
99 /* Structure for storing strings to be matched by gfc_match_string. */
110 /*************************** Enums *****************************/
112 /* Used when matching and resolving data I/O transfer statements. */
115 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
};
118 /* These are flags for identifying whether we are reading a character literal
119 between quotes or normal source code. */
122 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
};
124 /* This is returned by gfc_notification_std to know if, given the flags
125 that were given (-std=, -pedantic) we should issue an error, a warning
129 { SILENT
, WARNING
, ERROR
};
131 /* Matchers return one of these three values. The difference between
132 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
133 successful, but that something non-syntactic is wrong and an error
134 has already been issued. */
137 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
};
139 /* Used for different Fortran source forms in places like scanner.c. */
141 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
};
143 /* Expression node types. */
145 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
146 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
151 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
152 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
157 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
};
159 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
160 related to shared DO terminations and DO targets which are neither END DO
161 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
163 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
164 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
167 /* Intrinsic operators. */
168 enum gfc_intrinsic_op
169 { GFC_INTRINSIC_BEGIN
= 0,
170 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
171 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
172 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
173 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
174 /* ==, /=, >, >=, <, <= */
175 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
176 INTRINSIC_LT
, INTRINSIC_LE
,
177 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
178 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
179 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
180 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
, INTRINSIC_PARENTHESES
,
181 GFC_INTRINSIC_END
, /* Sentinel */
182 /* User defined derived type pseudo operators. These are set beyond the
183 sentinel so that they are excluded from module_read and module_write. */
184 INTRINSIC_FORMATTED
, INTRINSIC_UNFORMATTED
187 /* This macro is the number of intrinsic operators that exist.
188 Assumptions are made about the numbering of the interface_op enums. */
189 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
191 /* Arithmetic results. */
193 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
194 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
,
201 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
202 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
203 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
204 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
205 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
206 ST_ENDDO
, ST_IMPLIED_ENDDO
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
207 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
208 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
209 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
210 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
211 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
212 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
213 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
214 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
215 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
216 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
217 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
218 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
219 ST_STRUCTURE_DECL
, ST_END_STRUCTURE
,
220 ST_UNION
, ST_END_UNION
, ST_MAP
, ST_END_MAP
,
221 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
222 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
223 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
224 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
225 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
226 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
227 ST_OACC_ATOMIC
, ST_OACC_END_ATOMIC
,
228 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
229 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
230 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
231 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
232 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
233 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
234 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
235 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
236 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
237 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
238 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
239 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
240 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
241 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
242 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
243 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
244 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
245 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
246 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
247 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
248 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
249 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
250 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
251 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
252 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
253 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
254 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
255 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
256 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
257 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
258 ST_OMP_TARGET_PARALLEL
, ST_OMP_END_TARGET_PARALLEL
,
259 ST_OMP_TARGET_PARALLEL_DO
, ST_OMP_END_TARGET_PARALLEL_DO
,
260 ST_OMP_TARGET_PARALLEL_DO_SIMD
, ST_OMP_END_TARGET_PARALLEL_DO_SIMD
,
261 ST_OMP_TARGET_ENTER_DATA
, ST_OMP_TARGET_EXIT_DATA
,
262 ST_OMP_TARGET_SIMD
, ST_OMP_END_TARGET_SIMD
,
263 ST_OMP_TASKLOOP
, ST_OMP_END_TASKLOOP
,
264 ST_OMP_TASKLOOP_SIMD
, ST_OMP_END_TASKLOOP_SIMD
, ST_OMP_ORDERED_DEPEND
,
265 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
266 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_EVENT_POST
,
267 ST_EVENT_WAIT
, ST_FAIL_IMAGE
, ST_FORM_TEAM
, ST_CHANGE_TEAM
,
268 ST_END_TEAM
, ST_SYNC_TEAM
, ST_NONE
271 /* Types of interfaces that we can have. Assignment interfaces are
272 considered to be intrinsic operators. */
275 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
276 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
,
280 /* Symbol flavors: these are all mutually exclusive.
281 12 elements = 4 bits. */
284 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
285 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
286 FL_UNION
, FL_STRUCT
, FL_VOID
289 /* Procedure types. 7 elements = 3 bits. */
291 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
292 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
295 /* Intent types. Note that these values are also used in another enum in
296 decl.c (match_attr_spec). */
298 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
303 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
306 /* Flags to keep track of where an interface came from.
307 3 elements = 2 bits. */
309 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
310 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
311 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
312 with explicit interface. */
315 /* Whether a SAVE attribute was set explicitly or implicitly. */
317 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
320 /* OpenACC 'routine' directive's level of parallelism. */
321 enum oacc_routine_lop
322 { OACC_ROUTINE_LOP_NONE
= 0,
323 OACC_ROUTINE_LOP_GANG
,
324 OACC_ROUTINE_LOP_WORKER
,
325 OACC_ROUTINE_LOP_VECTOR
,
326 OACC_ROUTINE_LOP_SEQ
,
327 OACC_ROUTINE_LOP_ERROR
330 /* Strings for all symbol attributes. We use these for dumping the
331 parse tree, in error messages, and also when reading and writing
332 modules. In symbol.c. */
333 extern const mstring flavors
[];
334 extern const mstring procedures
[];
335 extern const mstring intents
[];
336 extern const mstring access_types
[];
337 extern const mstring ifsrc_types
[];
338 extern const mstring save_status
[];
340 /* Strings for DTIO procedure names. In symbol.c. */
341 extern const mstring dtio_procs
[];
344 { DTIO_RF
= 0, DTIO_WF
, DTIO_RUF
, DTIO_WUF
};
346 /* Enumeration of all the generic intrinsic functions. Used by the
347 backend for identification of a function. */
351 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
352 the backend (e.g. KIND). */
380 GFC_ISYM_ATOMIC_FETCH_ADD
,
381 GFC_ISYM_ATOMIC_FETCH_AND
,
382 GFC_ISYM_ATOMIC_FETCH_OR
,
383 GFC_ISYM_ATOMIC_FETCH_XOR
,
400 GFC_ISYM_CO_BROADCAST
,
405 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
406 GFC_ISYM_COMPILER_OPTIONS
,
407 GFC_ISYM_COMPILER_VERSION
,
418 GFC_ISYM_C_ASSOCIATED
,
419 GFC_ISYM_C_F_POINTER
,
420 GFC_ISYM_C_F_PROCPOINTER
,
424 GFC_ISYM_DATE_AND_TIME
,
428 GFC_ISYM_DOT_PRODUCT
,
437 GFC_ISYM_ERFC_SCALED
,
439 GFC_ISYM_EVENT_QUERY
,
440 GFC_ISYM_EXECUTE_COMMAND_LINE
,
444 GFC_ISYM_EXTENDS_TYPE_OF
,
445 GFC_ISYM_FAILED_IMAGES
,
447 GFC_ISYM_FE_RUNTIME_ERROR
,
464 GFC_ISYM_GET_COMMAND
,
465 GFC_ISYM_GET_COMMAND_ARGUMENT
,
468 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
490 GFC_ISYM_IMAGE_INDEX
,
491 GFC_ISYM_IMAGE_STATUS
,
500 GFC_ISYM_IS_CONTIGUOUS
,
501 GFC_ISYM_IS_IOSTAT_END
,
502 GFC_ISYM_IS_IOSTAT_EOR
,
537 GFC_ISYM_MAXEXPONENT
,
545 GFC_ISYM_MINEXPONENT
,
570 GFC_ISYM_RANDOM_INIT
,
571 GFC_ISYM_RANDOM_NUMBER
,
572 GFC_ISYM_RANDOM_SEED
,
581 GFC_ISYM_SAME_TYPE_AS
,
587 GFC_ISYM_SET_EXPONENT
,
607 GFC_ISYM_STOPPED_IMAGES
,
608 GFC_ISYM_STORAGE_SIZE
,
614 GFC_ISYM_SYSTEM_CLOCK
,
617 GFC_ISYM_TEAM_NUMBER
,
640 enum init_local_logical
642 GFC_INIT_LOGICAL_OFF
= 0,
643 GFC_INIT_LOGICAL_FALSE
,
644 GFC_INIT_LOGICAL_TRUE
647 enum init_local_character
649 GFC_INIT_CHARACTER_OFF
= 0,
650 GFC_INIT_CHARACTER_ON
653 enum init_local_integer
655 GFC_INIT_INTEGER_OFF
= 0,
667 enum gfc_param_spec_type
674 /************************* Structures *****************************/
676 /* Used for keeping things in balanced binary trees. */
677 #define BBT_HEADER(self) int priority; struct self *left, *right
679 #define NAMED_INTCST(a,b,c,d) a,
680 #define NAMED_KINDARRAY(a,b,c,d) a,
681 #define NAMED_FUNCTION(a,b,c,d) a,
682 #define NAMED_SUBROUTINE(a,b,c,d) a,
683 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
684 enum iso_fortran_env_symbol
686 ISOFORTRANENV_INVALID
= -1,
687 #include "iso-fortran-env.def"
688 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
691 #undef NAMED_KINDARRAY
692 #undef NAMED_FUNCTION
693 #undef NAMED_SUBROUTINE
694 #undef NAMED_DERIVED_TYPE
696 #define NAMED_INTCST(a,b,c,d) a,
697 #define NAMED_REALCST(a,b,c,d) a,
698 #define NAMED_CMPXCST(a,b,c,d) a,
699 #define NAMED_LOGCST(a,b,c) a,
700 #define NAMED_CHARKNDCST(a,b,c) a,
701 #define NAMED_CHARCST(a,b,c) a,
702 #define DERIVED_TYPE(a,b,c) a,
703 #define NAMED_FUNCTION(a,b,c,d) a,
704 #define NAMED_SUBROUTINE(a,b,c,d) a,
705 enum iso_c_binding_symbol
707 ISOCBINDING_INVALID
= -1,
708 #include "iso-c-binding.def"
710 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
716 #undef NAMED_CHARKNDCST
719 #undef NAMED_FUNCTION
720 #undef NAMED_SUBROUTINE
724 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
725 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
730 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
731 int value
; /* Used for both integer and character values. */
736 /* Array of structs, where the structs represent the C interop kinds.
737 The list will be implemented based on a hash of the kind name since
738 these could be accessed multiple times.
739 Declared in trans-types.c as a global, since it's in that file
740 that the list is initialized. */
741 extern CInteropKind_t c_interop_kinds_table
[];
744 /* Structure and list of supported extension attributes. */
747 EXT_ATTR_DLLIMPORT
= 0,
752 EXT_ATTR_NO_ARG_CHECK
,
753 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
761 const char *middle_end_name
;
765 extern const ext_attr_t ext_attr_list
[];
767 /* Symbol attribute structure. */
770 /* Variable attributes. */
771 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
772 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
773 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
774 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
775 contiguous
:1, fe_temp
: 1, automatic
: 1;
777 /* For CLASS containers, the pointer attribute is sometimes set internally
778 even though it was not directly specified. In this case, keep the
779 "real" (original) value here. */
780 unsigned class_pointer
:1;
782 ENUM_BITFIELD (save_state
) save
:2;
784 unsigned data
:1, /* Symbol is named in a DATA statement. */
785 is_protected
:1, /* Symbol has been marked as protected. */
786 use_assoc
:1, /* Symbol has been use-associated. */
787 used_in_submodule
:1, /* Symbol has been use-associated in a
788 submodule. Needed since these entities must
789 be set host associated to be compliant. */
790 use_only
:1, /* Symbol has been use-associated, with ONLY. */
791 use_rename
:1, /* Symbol has been use-associated and renamed. */
792 imported
:1, /* Symbol has been associated by IMPORT. */
793 host_assoc
:1; /* Symbol has been host associated. */
795 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
796 unsigned function
:1, subroutine
:1, procedure
:1;
797 unsigned generic
:1, generic_copy
:1;
798 unsigned implicit_type
:1; /* Type defined via implicit rules. */
799 unsigned untyped
:1; /* No implicit type could be found. */
801 unsigned is_bind_c
:1; /* say if is bound to C. */
802 unsigned extension
:8; /* extension level of a derived type. */
803 unsigned is_class
:1; /* is a CLASS container. */
804 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
805 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
806 unsigned vtype
:1; /* is a derived type of a vtab. */
808 /* These flags are both in the typespec and attribute. The attribute
809 list is what gets read from/written to a module file. The typespec
810 is created from a decl being processed. */
811 unsigned is_c_interop
:1; /* It's c interoperable. */
812 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
814 /* Function/subroutine attributes */
815 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
816 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
818 /* Set if this is a module function or subroutine. Note that it is an
819 attribute because it appears as a prefix in the declaration like
821 unsigned module_procedure
:1;
823 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
824 which is relevant for private module procedures. */
825 unsigned public_used
:1;
827 /* This is set if a contained procedure could be declared pure. This is
828 used for certain optimizations that require the result or arguments
829 cannot alias. Note that this is zero for PURE procedures. */
830 unsigned implicit_pure
:1;
832 /* This is set for a procedure that contains expressions referencing
833 arrays coming from outside its namespace.
834 This is used to force the creation of a temporary when the LHS of
835 an array assignment may be used by an elemental procedure appearing
837 unsigned array_outer_dependency
:1;
839 /* This is set if the subroutine doesn't return. Currently, this
840 is only possible for intrinsic subroutines. */
843 /* Set if this procedure is an alternate entry point. These procedures
844 don't have any code associated, and the backend will turn them into
845 thunks to the master function. */
848 /* Set if this is the master function for a procedure with multiple
850 unsigned entry_master
:1;
852 /* Set if this is the master function for a function with multiple
853 entry points where characteristics of the entry points differ. */
854 unsigned mixed_entry_master
:1;
856 /* Set if a function must always be referenced by an explicit interface. */
857 unsigned always_explicit
:1;
859 /* Set if the symbol is generated and, hence, standard violations
860 shouldn't be flaged. */
861 unsigned artificial
:1;
863 /* Set if the symbol has been referenced in an expression. No further
864 modification of type or type parameters is permitted. */
865 unsigned referenced
:1;
867 /* Set if this is the symbol for the main program. */
868 unsigned is_main_program
:1;
870 /* Mutually exclusive multibit attributes. */
871 ENUM_BITFIELD (gfc_access
) access
:2;
872 ENUM_BITFIELD (sym_intent
) intent
:2;
873 ENUM_BITFIELD (sym_flavor
) flavor
:4;
874 ENUM_BITFIELD (ifsrc
) if_source
:2;
876 ENUM_BITFIELD (procedure_type
) proc
:3;
878 /* Special attributes for Cray pointers, pointees. */
879 unsigned cray_pointer
:1, cray_pointee
:1;
881 /* The symbol is a derived type with allocatable components, pointer
882 components or private components, procedure pointer components,
883 possibly nested. zero_comp is true if the derived type has no
884 component at all. defined_assign_comp is true if the derived
885 type or a (sub-)component has a typebound defined assignment.
886 unlimited_polymorphic flags the type of the container for these
888 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
889 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
890 event_comp
:1, defined_assign_comp
:1, unlimited_polymorphic
:1,
891 has_dtio_procs
:1, caf_token
:1;
893 /* This is a temporary selector for SELECT TYPE or an associate
894 variable for SELECT_TYPE or ASSOCIATE. */
895 unsigned select_type_temporary
:1, associate_var
:1;
897 /* These are the attributes required for parameterized derived
899 unsigned pdt_kind
:1, pdt_len
:1, pdt_type
:1, pdt_template
:1,
900 pdt_array
:1, pdt_string
:1;
902 /* This is omp_{out,in,priv,orig} artificial variable in
903 !$OMP DECLARE REDUCTION. */
904 unsigned omp_udr_artificial_var
:1;
906 /* Mentioned in OMP DECLARE TARGET. */
907 unsigned omp_declare_target
:1;
908 unsigned omp_declare_target_link
:1;
910 /* Mentioned in OACC DECLARE. */
911 unsigned oacc_declare_create
:1;
912 unsigned oacc_declare_copyin
:1;
913 unsigned oacc_declare_deviceptr
:1;
914 unsigned oacc_declare_device_resident
:1;
915 unsigned oacc_declare_link
:1;
917 /* OpenACC 'routine' directive's level of parallelism. */
918 ENUM_BITFIELD (oacc_routine_lop
) oacc_routine_lop
:3;
920 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
921 unsigned ext_attr
:EXT_ATTR_NUM
;
923 /* The namespace where the attribute has been set. */
924 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
929 /* We need to store source lines as sequences of multibyte source
930 characters. We define here a type wide enough to hold any multibyte
931 source character, just like libcpp does. A 32-bit type is enough. */
933 #if HOST_BITS_PER_INT >= 32
934 typedef unsigned int gfc_char_t
;
935 #elif HOST_BITS_PER_LONG >= 32
936 typedef unsigned long gfc_char_t
;
937 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
938 typedef unsigned long long gfc_char_t
;
940 # error "Cannot find an integer type with at least 32 bits"
944 /* The following three structures are used to identify a location in
947 gfc_file is used to maintain a tree of the source files and how
948 they include each other
950 gfc_linebuf holds a single line of source code and information
951 which file it resides in
953 locus point to the sourceline and the character in the source
957 typedef struct gfc_file
959 struct gfc_file
*next
, *up
;
960 int inclusion_line
, line
;
964 typedef struct gfc_linebuf
967 struct gfc_file
*file
;
968 struct gfc_linebuf
*next
;
976 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
978 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
986 /* In order for the "gfc" format checking to work correctly, you must
987 have declared a typedef locus first. */
988 #if GCC_VERSION >= 4001
989 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
991 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
995 /* Suppress error messages or re-enable them. */
997 void gfc_push_suppress_errors (void);
998 void gfc_pop_suppress_errors (void);
1001 /* Character length structures hold the expression that gives the
1002 length of a character variable. We avoid putting these into
1003 gfc_typespec because doing so prevents us from doing structure
1004 copies and forces us to deallocate any typespecs we create, as well
1005 as structures that contain typespecs. They also can have multiple
1006 character typespecs pointing to them.
1008 These structures form a singly linked list within the current
1009 namespace and are deallocated with the namespace. It is possible to
1010 end up with gfc_charlen structures that have nothing pointing to them. */
1012 typedef struct gfc_charlen
1014 struct gfc_expr
*length
;
1015 struct gfc_charlen
*next
;
1016 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
1018 tree passed_length
; /* Length argument explicitly passed. */
1024 #define gfc_get_charlen() XCNEW (gfc_charlen)
1026 /* Type specification structure. */
1034 struct gfc_symbol
*derived
; /* For derived types only. */
1035 gfc_charlen
*cl
; /* For character types only. */
1036 int pad
; /* For hollerith types only. */
1040 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1045 gfc_symbol
*interop_kind
;
1049 /* Array specification. */
1052 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1054 array_type type
, cotype
;
1055 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1057 /* These two fields are used with the Cray Pointer extension. */
1058 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1059 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1060 AS_EXPLICIT, but we want to remember that we
1067 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1070 /* Components of derived types. */
1071 typedef struct gfc_component
1076 symbol_attribute attr
;
1080 /* Used to cache a FIELD_DECL matching this same component
1081 but applied to a different backend containing type that was
1082 generated by gfc_nonrestricted_type. */
1083 tree norestrict_decl
;
1085 struct gfc_expr
*initializer
;
1086 /* Used in parameterized derived type declarations to store parameterized
1087 kind expressions. */
1088 struct gfc_expr
*kind_expr
;
1089 struct gfc_actual_arglist
*param_list
;
1091 struct gfc_component
*next
;
1093 /* Needed for procedure pointer components. */
1094 struct gfc_typebound_proc
*tb
;
1095 /* When allocatable/pointer and in a coarray the associated token. */
1100 #define gfc_get_component() XCNEW (gfc_component)
1102 /* Formal argument lists are lists of symbols. */
1103 typedef struct gfc_formal_arglist
1105 /* Symbol representing the argument at this position in the arglist. */
1106 struct gfc_symbol
*sym
;
1107 /* Points to the next formal argument. */
1108 struct gfc_formal_arglist
*next
;
1112 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1115 /* The gfc_actual_arglist structure is for actual arguments and
1116 for type parameter specification lists. */
1117 typedef struct gfc_actual_arglist
1120 /* Alternate return label when the expr member is null. */
1121 struct gfc_st_label
*label
;
1123 /* This is set to the type of an eventual omitted optional
1124 argument. This is used to determine if a hidden string length
1125 argument has to be added to a function call. */
1126 bt missing_arg_type
;
1128 gfc_param_spec_type spec_type
;
1130 struct gfc_expr
*expr
;
1131 struct gfc_actual_arglist
*next
;
1135 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1138 /* Because a symbol can belong to multiple namelists, they must be
1139 linked externally to the symbol itself. */
1140 typedef struct gfc_namelist
1142 struct gfc_symbol
*sym
;
1143 struct gfc_namelist
*next
;
1147 #define gfc_get_namelist() XCNEW (gfc_namelist)
1149 /* Likewise to gfc_namelist, but contains expressions. */
1150 typedef struct gfc_expr_list
1152 struct gfc_expr
*expr
;
1153 struct gfc_expr_list
*next
;
1157 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1159 enum gfc_omp_reduction_op
1161 OMP_REDUCTION_NONE
= -1,
1162 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1163 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1164 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1165 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1166 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1167 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1168 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1169 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1177 enum gfc_omp_depend_op
1182 OMP_DEPEND_SINK_FIRST
,
1193 OMP_MAP_FORCE_ALLOC
,
1196 OMP_MAP_FORCE_TOFROM
,
1197 OMP_MAP_FORCE_PRESENT
,
1198 OMP_MAP_FORCE_DEVICEPTR
,
1199 OMP_MAP_DEVICE_RESIDENT
,
1203 OMP_MAP_ALWAYS_FROM
,
1204 OMP_MAP_ALWAYS_TOFROM
1207 enum gfc_omp_linear_op
1215 /* For use in OpenMP clauses in case we need extra information
1216 (aligned clause alignment, linear clause step, etc.). */
1218 typedef struct gfc_omp_namelist
1220 struct gfc_symbol
*sym
;
1221 struct gfc_expr
*expr
;
1224 gfc_omp_reduction_op reduction_op
;
1225 gfc_omp_depend_op depend_op
;
1226 gfc_omp_map_op map_op
;
1227 gfc_omp_linear_op linear_op
;
1228 struct gfc_common_head
*common
;
1230 struct gfc_omp_namelist_udr
*udr
;
1231 struct gfc_omp_namelist
*next
;
1236 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1241 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1242 OMP_LIST_FIRSTPRIVATE
,
1243 OMP_LIST_LASTPRIVATE
,
1244 OMP_LIST_COPYPRIVATE
,
1255 OMP_LIST_DEVICE_RESIDENT
,
1257 OMP_LIST_USE_DEVICE
,
1259 OMP_LIST_IS_DEVICE_PTR
,
1260 OMP_LIST_USE_DEVICE_PTR
,
1264 /* Because a symbol can belong to multiple namelists, they must be
1265 linked externally to the symbol itself. */
1267 enum gfc_omp_sched_kind
1277 enum gfc_omp_default_sharing
1279 OMP_DEFAULT_UNKNOWN
,
1281 OMP_DEFAULT_PRIVATE
,
1283 OMP_DEFAULT_FIRSTPRIVATE
,
1287 enum gfc_omp_proc_bind_kind
1289 OMP_PROC_BIND_UNKNOWN
,
1290 OMP_PROC_BIND_MASTER
,
1291 OMP_PROC_BIND_SPREAD
,
1295 enum gfc_omp_cancel_kind
1298 OMP_CANCEL_PARALLEL
,
1299 OMP_CANCEL_SECTIONS
,
1301 OMP_CANCEL_TASKGROUP
1304 enum gfc_omp_if_kind
1311 OMP_IF_TARGET_UPDATE
,
1312 OMP_IF_TARGET_ENTER_DATA
,
1313 OMP_IF_TARGET_EXIT_DATA
,
1317 typedef struct gfc_omp_clauses
1319 struct gfc_expr
*if_expr
;
1320 struct gfc_expr
*final_expr
;
1321 struct gfc_expr
*num_threads
;
1322 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1323 enum gfc_omp_sched_kind sched_kind
;
1324 struct gfc_expr
*chunk_size
;
1325 enum gfc_omp_default_sharing default_sharing
;
1326 int collapse
, orderedc
;
1327 bool nowait
, ordered
, untied
, mergeable
;
1328 bool inbranch
, notinbranch
, defaultmap
, nogroup
;
1329 bool sched_simd
, sched_monotonic
, sched_nonmonotonic
;
1330 bool simd
, threads
, depend_source
;
1331 enum gfc_omp_cancel_kind cancel
;
1332 enum gfc_omp_proc_bind_kind proc_bind
;
1333 struct gfc_expr
*safelen_expr
;
1334 struct gfc_expr
*simdlen_expr
;
1335 struct gfc_expr
*num_teams
;
1336 struct gfc_expr
*device
;
1337 struct gfc_expr
*thread_limit
;
1338 struct gfc_expr
*grainsize
;
1339 struct gfc_expr
*hint
;
1340 struct gfc_expr
*num_tasks
;
1341 struct gfc_expr
*priority
;
1342 struct gfc_expr
*if_exprs
[OMP_IF_LAST
];
1343 enum gfc_omp_sched_kind dist_sched_kind
;
1344 struct gfc_expr
*dist_chunk_size
;
1345 const char *critical_name
;
1348 struct gfc_expr
*async_expr
;
1349 struct gfc_expr
*gang_static_expr
;
1350 struct gfc_expr
*gang_num_expr
;
1351 struct gfc_expr
*worker_expr
;
1352 struct gfc_expr
*vector_expr
;
1353 struct gfc_expr
*num_gangs_expr
;
1354 struct gfc_expr
*num_workers_expr
;
1355 struct gfc_expr
*vector_length_expr
;
1356 gfc_expr_list
*wait_list
;
1357 gfc_expr_list
*tile_list
;
1358 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1359 unsigned par_auto
:1, gang_static
:1;
1360 unsigned if_present
:1, finalize
:1;
1366 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1369 /* Node in the linked list used for storing !$oacc declare constructs. */
1371 typedef struct gfc_oacc_declare
1373 struct gfc_oacc_declare
*next
;
1375 gfc_omp_clauses
*clauses
;
1380 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1383 /* Node in the linked list used for storing !$omp declare simd constructs. */
1385 typedef struct gfc_omp_declare_simd
1387 struct gfc_omp_declare_simd
*next
;
1388 locus where
; /* Where the !$omp declare simd construct occurred. */
1390 gfc_symbol
*proc_name
;
1392 gfc_omp_clauses
*clauses
;
1394 gfc_omp_declare_simd
;
1395 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1397 typedef struct gfc_omp_udr
1399 struct gfc_omp_udr
*next
;
1400 locus where
; /* Where the !$omp declare reduction construct occurred. */
1404 gfc_omp_reduction_op rop
;
1406 struct gfc_symbol
*omp_out
;
1407 struct gfc_symbol
*omp_in
;
1408 struct gfc_namespace
*combiner_ns
;
1410 struct gfc_symbol
*omp_priv
;
1411 struct gfc_symbol
*omp_orig
;
1412 struct gfc_namespace
*initializer_ns
;
1415 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1417 typedef struct gfc_omp_namelist_udr
1419 struct gfc_omp_udr
*udr
;
1420 struct gfc_code
*combiner
;
1421 struct gfc_code
*initializer
;
1423 gfc_omp_namelist_udr
;
1424 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1426 /* The gfc_st_label structure is a BBT attached to a namespace that
1427 records the usage of statement labels within that space. */
1429 typedef struct gfc_st_label
1431 BBT_HEADER(gfc_st_label
);
1435 gfc_sl_type defined
, referenced
;
1437 struct gfc_expr
*format
;
1448 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1449 typedef struct gfc_interface
1451 struct gfc_symbol
*sym
;
1453 struct gfc_interface
*next
;
1457 #define gfc_get_interface() XCNEW (gfc_interface)
1459 /* User operator nodes. These are like stripped down symbols. */
1465 struct gfc_namespace
*ns
;
1471 /* A list of specific bindings that are associated with a generic spec. */
1472 typedef struct gfc_tbp_generic
1474 /* The parser sets specific_st, upon resolution we look for the corresponding
1475 gfc_typebound_proc and set specific for further use. */
1476 struct gfc_symtree
* specific_st
;
1477 struct gfc_typebound_proc
* specific
;
1479 struct gfc_tbp_generic
* next
;
1484 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1487 /* Data needed for type-bound procedures. */
1488 typedef struct gfc_typebound_proc
1490 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1494 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1495 gfc_tbp_generic
* generic
;
1500 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1502 /* The overridden type-bound proc (or GENERIC with this name in the
1503 parent-type) or NULL if non. */
1504 struct gfc_typebound_proc
* overridden
;
1506 /* Once resolved, we use the position of pass_arg in the formal arglist of
1507 the binding-target procedure to identify it. The first argument has
1508 number 1 here, the second 2, and so on. */
1509 unsigned pass_arg_num
;
1511 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1512 unsigned non_overridable
:1;
1513 unsigned deferred
:1;
1514 unsigned is_generic
:1;
1515 unsigned function
:1, subroutine
:1;
1516 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1522 /* Symbol nodes. These are important things. They are what the
1523 standard refers to as "entities". The possibly multiple names that
1524 refer to the same entity are accomplished by a binary tree of
1525 symtree structures that is balanced by the red-black method-- more
1526 than one symtree node can point to any given symbol. */
1528 typedef struct gfc_symbol
1530 const char *name
; /* Primary name, before renaming */
1531 const char *module
; /* Module this symbol came from */
1535 symbol_attribute attr
;
1537 /* The formal member points to the formal argument list if the
1538 symbol is a function or subroutine name. If the symbol is a
1539 generic name, the generic member points to the list of
1542 gfc_interface
*generic
;
1543 gfc_access component_access
;
1545 gfc_formal_arglist
*formal
;
1546 struct gfc_namespace
*formal_ns
;
1547 struct gfc_namespace
*f2k_derived
;
1549 /* List of PDT parameter expressions */
1550 struct gfc_actual_arglist
*param_list
;
1552 struct gfc_expr
*value
; /* Parameter/Initializer value */
1554 struct gfc_symbol
*result
; /* function result symbol */
1555 gfc_component
*components
; /* Derived type components */
1557 /* Defined only for Cray pointees; points to their pointer. */
1558 struct gfc_symbol
*cp_pointer
;
1560 int entry_id
; /* Used in resolve.c for entries. */
1562 /* CLASS hashed name for declared and dynamic types in the class. */
1565 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1567 /* This is only used for pointer comparisons to check if symbols
1568 are in the same common block.
1569 In opposition to common_block, the common_head pointer takes into account
1570 equivalences: if A is in a common block C and A and B are in equivalence,
1571 then both A and B have common_head pointing to C, while A's common_block
1572 points to C and B's is NULL. */
1573 struct gfc_common_head
* common_head
;
1575 /* Make sure setup code for dummy arguments is generated in the correct
1579 gfc_namelist
*namelist
, *namelist_tail
;
1581 /* Change management fields. Symbols that might be modified by the
1582 current statement have the mark member nonzero. Of these symbols,
1583 symbols with old_symbol equal to NULL are symbols created within
1584 the current statement. Otherwise, old_symbol points to a copy of
1585 the old symbol. gfc_new is used in symbol.c to flag new symbols. */
1586 struct gfc_symbol
*old_symbol
;
1587 unsigned mark
:1, gfc_new
:1;
1589 /* The tlink field is used in the front end to carry the module
1590 declaration of separate module procedures so that the characteristics
1591 can be compared with the corresponding declaration in a submodule. In
1592 translation this field carries a linked list of symbols that require
1593 deferred initialization. */
1594 struct gfc_symbol
*tlink
;
1596 /* Nonzero if all equivalences associated with this symbol have been
1598 unsigned equiv_built
:1;
1599 /* Set if this variable is used as an index name in a FORALL. */
1600 unsigned forall_index
:1;
1601 /* Set if the symbol is used in a function result specification . */
1602 unsigned fn_result_spec
:1;
1603 /* Used to avoid multiple resolutions of a single symbol. */
1604 unsigned resolved
:1;
1605 /* Set if this is a module function or subroutine with the
1606 abreviated declaration in a submodule. */
1607 unsigned abr_modproc_decl
:1;
1610 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1614 /* Identity of the intrinsic module the symbol comes from, or
1615 INTMOD_NONE if it's not imported from a intrinsic module. */
1616 intmod_id from_intmod
;
1617 /* Identity of the symbol from intrinsic modules, from enums maintained
1618 separately by each intrinsic module. Used together with from_intmod,
1619 it uniquely identifies a symbol from an intrinsic module. */
1622 /* This may be repetitive, since the typespec now has a binding
1624 const char* binding_label
;
1625 /* Store a reference to the common_block, if this symbol is in one. */
1626 struct gfc_common_head
*common_block
;
1628 /* Link to corresponding association-list if this is an associate name. */
1629 struct gfc_association_list
*assoc
;
1631 /* Link to next entry in derived type list */
1632 struct gfc_symbol
*dt_next
;
1637 struct gfc_undo_change_set
1639 vec
<gfc_symbol
*> syms
;
1640 vec
<gfc_typebound_proc
*> tbps
;
1641 gfc_undo_change_set
*previous
;
1645 /* This structure is used to keep track of symbols in common blocks. */
1646 typedef struct gfc_common_head
1649 char use_assoc
, saved
, threadprivate
;
1650 unsigned char omp_declare_target
: 1;
1651 unsigned char omp_declare_target_link
: 1;
1652 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1653 struct gfc_symbol
*head
;
1654 const char* binding_label
;
1660 #define gfc_get_common_head() XCNEW (gfc_common_head)
1663 /* A list of all the alternate entry points for a procedure. */
1665 typedef struct gfc_entry_list
1667 /* The symbol for this entry point. */
1669 /* The zero-based id of this entry point. */
1671 /* The LABEL_EXPR marking this entry point. */
1673 /* The next item in the list. */
1674 struct gfc_entry_list
*next
;
1678 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1680 /* Lists of rename info for the USE statement. */
1682 typedef struct gfc_use_rename
1684 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1685 struct gfc_use_rename
*next
;
1687 gfc_intrinsic_op op
;
1692 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1694 /* A list of all USE statements in a namespace. */
1696 typedef struct gfc_use_list
1698 const char *module_name
;
1699 const char *submodule_name
;
1703 struct gfc_use_rename
*rename
;
1705 /* Next USE statement. */
1706 struct gfc_use_list
*next
;
1710 #define gfc_get_use_list() XCNEW (gfc_use_list)
1712 /* Within a namespace, symbols are pointed to by symtree nodes that
1713 are linked together in a balanced binary tree. There can be
1714 several symtrees pointing to the same symbol node via USE
1717 typedef struct gfc_symtree
1719 BBT_HEADER (gfc_symtree
);
1724 gfc_symbol
*sym
; /* Symbol associated with this node */
1726 gfc_common_head
*common
;
1727 gfc_typebound_proc
*tb
;
1728 gfc_omp_udr
*omp_udr
;
1734 /* A list of all derived types. */
1735 extern gfc_symbol
*gfc_derived_types
;
1737 typedef struct gfc_oacc_routine_name
1739 struct gfc_symbol
*sym
;
1740 struct gfc_omp_clauses
*clauses
;
1741 struct gfc_oacc_routine_name
*next
;
1743 gfc_oacc_routine_name
;
1745 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1747 /* A namespace describes the contents of procedure, module, interface block
1748 or BLOCK construct. */
1749 /* ??? Anything else use these? */
1751 typedef struct gfc_namespace
1753 /* Tree containing all the symbols in this namespace. */
1754 gfc_symtree
*sym_root
;
1755 /* Tree containing all the user-defined operators in the namespace. */
1756 gfc_symtree
*uop_root
;
1757 /* Tree containing all the common blocks. */
1758 gfc_symtree
*common_root
;
1759 /* Tree containing all the OpenMP user defined reductions. */
1760 gfc_symtree
*omp_udr_root
;
1762 /* Tree containing type-bound procedures. */
1763 gfc_symtree
*tb_sym_root
;
1764 /* Type-bound user operators. */
1765 gfc_symtree
*tb_uop_root
;
1766 /* For derived-types, store type-bound intrinsic operators here. */
1767 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1768 /* Linked list of finalizer procedures. */
1769 struct gfc_finalizer
*finalizers
;
1771 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1772 int set_flag
[GFC_LETTERS
];
1773 /* Keeps track of the implicit types associated with the letters. */
1774 gfc_typespec default_type
[GFC_LETTERS
];
1775 /* Store the positions of IMPLICIT statements. */
1776 locus implicit_loc
[GFC_LETTERS
];
1778 /* If this is a namespace of a procedure, this points to the procedure. */
1779 struct gfc_symbol
*proc_name
;
1780 /* If this is the namespace of a unit which contains executable
1781 code, this points to it. */
1782 struct gfc_code
*code
;
1784 /* Points to the equivalences set up in this namespace. */
1785 struct gfc_equiv
*equiv
, *old_equiv
;
1787 /* Points to the equivalence groups produced by trans_common. */
1788 struct gfc_equiv_list
*equiv_lists
;
1790 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1792 /* Points to the parent namespace, i.e. the namespace of a module or
1793 procedure in which the procedure belonging to this namespace is
1794 contained. The parent namespace points to this namespace either
1795 directly via CONTAINED, or indirectly via the chain built by
1797 struct gfc_namespace
*parent
;
1798 /* CONTAINED points to the first contained namespace. Sibling
1799 namespaces are chained via SIBLING. */
1800 struct gfc_namespace
*contained
, *sibling
;
1802 gfc_common_head blank_common
;
1803 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1805 gfc_st_label
*st_labels
;
1806 /* This list holds information about all the data initializers in
1808 struct gfc_data
*data
, *old_data
;
1810 /* !$ACC DECLARE. */
1811 gfc_oacc_declare
*oacc_declare
;
1813 /* !$ACC ROUTINE clauses. */
1814 gfc_omp_clauses
*oacc_routine_clauses
;
1816 /* !$ACC ROUTINE names. */
1817 gfc_oacc_routine_name
*oacc_routine_names
;
1819 gfc_charlen
*cl_list
;
1821 gfc_symbol
*derived_types
;
1823 int save_all
, seen_save
, seen_implicit_none
;
1825 /* Normally we don't need to refcount namespaces. However when we read
1826 a module containing a function with multiple entry points, this
1827 will appear as several functions with the same formal namespace. */
1830 /* A list of all alternate entry points to this procedure (or NULL). */
1831 gfc_entry_list
*entries
;
1833 /* A list of USE statements in this namespace. */
1834 gfc_use_list
*use_stmts
;
1836 /* Linked list of !$omp declare simd constructs. */
1837 struct gfc_omp_declare_simd
*omp_declare_simd
;
1839 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1840 unsigned is_block_data
:1;
1842 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1843 unsigned has_import_set
:1;
1845 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1846 unsigned has_implicit_none_export
:1;
1848 /* Set to 1 if resolved has been called for this namespace.
1849 Holds -1 during resolution. */
1852 /* Set when resolve_types has been called for this namespace. */
1853 unsigned types_resolved
:1;
1855 /* Set to 1 if code has been generated for this namespace. */
1856 unsigned translated
:1;
1858 /* Set to 1 if symbols in this namespace should be 'construct entities',
1859 i.e. for BLOCK local variables. */
1860 unsigned construct_entities
:1;
1862 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1863 unsigned omp_udr_ns
:1;
1865 /* Set to 1 for !$ACC ROUTINE namespaces. */
1866 unsigned oacc_routine
:1;
1870 extern gfc_namespace
*gfc_current_ns
;
1871 extern gfc_namespace
*gfc_global_ns_list
;
1873 /* Global symbols are symbols of global scope. Currently we only use
1874 this to detect collisions already when parsing.
1875 TODO: Extend to verify procedure calls. */
1877 enum gfc_symbol_type
1879 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1880 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1883 typedef struct gfc_gsymbol
1885 BBT_HEADER(gfc_gsymbol
);
1888 const char *sym_name
;
1889 const char *mod_name
;
1890 const char *binding_label
;
1891 enum gfc_symbol_type type
;
1900 extern gfc_gsymbol
*gfc_gsym_root
;
1902 /* Information on interfaces being built. */
1905 interface_type type
;
1909 gfc_intrinsic_op op
;
1913 extern gfc_interface_info current_interface
;
1916 /* Array reference. */
1918 enum gfc_array_ref_dimen_type
1920 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1923 typedef struct gfc_array_ref
1926 int dimen
; /* # of components in the reference */
1928 bool in_allocate
; /* For coarray checks. */
1934 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1935 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1936 *stride
[GFC_MAX_DIMENSIONS
];
1938 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1942 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1945 /* Component reference nodes. A variable is stored as an expression
1946 node that points to the base symbol. After that, a singly linked
1947 list of component reference nodes gives the variable's complete
1948 resolution. The array_ref component may be present and comes
1949 before the component component. */
1952 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
, REF_INQUIRY
};
1955 { INQUIRY_RE
, INQUIRY_IM
, INQUIRY_KIND
, INQUIRY_LEN
};
1957 typedef struct gfc_ref
1963 struct gfc_array_ref ar
;
1967 gfc_component
*component
;
1974 struct gfc_expr
*start
, *end
; /* Substring */
1975 gfc_charlen
*length
;
1984 struct gfc_ref
*next
;
1988 #define gfc_get_ref() XCNEW (gfc_ref)
1991 /* Structures representing intrinsic symbols and their arguments lists. */
1992 typedef struct gfc_intrinsic_arg
1994 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1997 unsigned optional
:1, value
:1;
1998 ENUM_BITFIELD (sym_intent
) intent
:2;
1999 gfc_actual_arglist
*actual
;
2001 struct gfc_intrinsic_arg
*next
;
2007 /* Specifies the various kinds of check functions used to verify the
2008 argument lists of intrinsic functions. fX with X an integer refer
2009 to check functions of intrinsics with X arguments. f1m is used for
2010 the MAX and MIN intrinsics which can have an arbitrary number of
2011 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2012 these have special semantics. */
2017 bool (*f1
)(struct gfc_expr
*);
2018 bool (*f1m
)(gfc_actual_arglist
*);
2019 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2020 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2021 bool (*f5ml
)(gfc_actual_arglist
*);
2022 bool (*f6fl
)(gfc_actual_arglist
*);
2023 bool (*f3red
)(gfc_actual_arglist
*);
2024 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2026 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2027 struct gfc_expr
*, struct gfc_expr
*);
2031 /* Like gfc_check_f, these specify the type of the simplification
2032 function associated with an intrinsic. The fX are just like in
2033 gfc_check_f. cc is used for type conversion functions. */
2037 struct gfc_expr
*(*f0
)(void);
2038 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
2039 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2040 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
2042 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
2043 struct gfc_expr
*, struct gfc_expr
*);
2044 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
2045 struct gfc_expr
*, struct gfc_expr
*,
2047 struct gfc_expr
*(*f6
)(struct gfc_expr
*, struct gfc_expr
*,
2048 struct gfc_expr
*, struct gfc_expr
*,
2049 struct gfc_expr
*, struct gfc_expr
*);
2050 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
2054 /* Again like gfc_check_f, these specify the type of the resolution
2055 function associated with an intrinsic. The fX are just like in
2056 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2060 void (*f0
)(struct gfc_expr
*);
2061 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
2062 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
2063 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2064 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2066 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2067 struct gfc_expr
*, struct gfc_expr
*);
2068 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2069 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2070 void (*f6
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2071 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2073 void (*s1
)(struct gfc_code
*);
2078 typedef struct gfc_intrinsic_sym
2080 const char *name
, *lib_name
;
2081 gfc_intrinsic_arg
*formal
;
2083 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
2084 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
2085 from_module
:1, vararg
:1;
2089 gfc_simplify_f simplify
;
2091 gfc_resolve_f resolve
;
2092 struct gfc_intrinsic_sym
*specific_head
, *next
;
2099 /* Expression nodes. The expression node types deserve explanations,
2100 since the last couple can be easily misconstrued:
2102 EXPR_OP Operator node pointing to one or two other nodes
2103 EXPR_FUNCTION Function call, symbol points to function's name
2104 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2105 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2106 which expresses structure, array and substring refs.
2107 EXPR_NULL The NULL pointer value (which also has a basic type).
2108 EXPR_SUBSTRING A substring of a constant string
2109 EXPR_STRUCTURE A structure constructor
2110 EXPR_ARRAY An array constructor.
2111 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2112 component or type-bound procedure. */
2116 #define GFC_RND_MODE GMP_RNDN
2117 #define GFC_MPC_RND_MODE MPC_RNDNN
2119 typedef splay_tree gfc_constructor_base
;
2122 /* This should be an unsigned variable of type size_t. But to handle
2123 compiling to a 64-bit target from a 32-bit host, we need to use a
2124 HOST_WIDE_INT. Also, occasionally the string length field is used
2125 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2126 So it needs to be signed. */
2127 typedef HOST_WIDE_INT gfc_charlen_t
;
2129 typedef struct gfc_expr
2133 gfc_typespec ts
; /* These two refer to the overall expression */
2135 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
2136 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
2138 /* Nonnull for functions and structure constructors, may also used to hold the
2139 base-object for component calls. */
2140 gfc_symtree
*symtree
;
2146 /* Used to store the base expression in component calls, when the expression
2147 is not a variable. */
2148 struct gfc_expr
*base_expr
;
2150 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
2151 denotes a signalling not-a-number. */
2152 unsigned int is_boz
: 1, is_snan
: 1;
2154 /* Sometimes, when an error has been emitted, it is necessary to prevent
2155 it from recurring. */
2156 unsigned int error
: 1;
2158 /* Mark an expression where a user operator has been substituted by
2159 a function call in interface.c(gfc_extend_expr). */
2160 unsigned int user_operator
: 1;
2162 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2163 unsigned int mold
: 1;
2165 /* Will require finalization after use. */
2166 unsigned int must_finalize
: 1;
2168 /* Set this if no range check should be performed on this expression. */
2170 unsigned int no_bounds_check
: 1;
2172 /* Set this if a matmul expression has already been evaluated for conversion
2175 unsigned int external_blas
: 1;
2177 /* Set this if resolution has already happened. It could be harmful
2180 unsigned int do_not_resolve_again
: 1;
2182 /* Set this if no warning should be given somewhere in a lower level. */
2184 unsigned int do_not_warn
: 1;
2185 /* If an expression comes from a Hollerith constant or compile-time
2186 evaluation of a transfer statement, it may have a prescribed target-
2187 memory representation, and these cannot always be backformed from
2191 gfc_charlen_t length
;
2210 gfc_intrinsic_op op
;
2212 struct gfc_expr
*op1
, *op2
;
2218 gfc_actual_arglist
*actual
;
2219 const char *name
; /* Points to the ultimate name of the function */
2220 gfc_intrinsic_sym
*isym
;
2227 gfc_actual_arglist
* actual
;
2229 /* Base-object, whose component was called. NULL means that it should
2230 be taken from symtree/ref. */
2231 struct gfc_expr
* base_object
;
2232 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2234 /* For type-bound operators, we want to call PASS procedures but already
2235 have the full arglist; mark this, so that it is not extended by the
2237 unsigned ignore_pass
:1;
2239 /* Do assign-calls rather than calls, that is appropriate dependency
2247 gfc_charlen_t length
;
2252 gfc_constructor_base constructor
;
2256 /* Used to store PDT expression lists associated with expressions. */
2257 gfc_actual_arglist
*param_list
;
2263 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2265 /* Structures for information associated with different kinds of
2266 numbers. The first set of integer parameters define all there is
2267 to know about a particular kind. The rest of the elements are
2268 computed from the first elements. */
2272 /* Values really representable by the target. */
2273 mpz_t huge
, pedantic_min_int
, min_int
;
2275 int kind
, radix
, digits
, bit_size
, range
;
2277 /* True if the C type of the given name maps to this precision.
2278 Note that more than one bit can be set. */
2279 unsigned int c_char
: 1;
2280 unsigned int c_short
: 1;
2281 unsigned int c_int
: 1;
2282 unsigned int c_long
: 1;
2283 unsigned int c_long_long
: 1;
2287 extern gfc_integer_info gfc_integer_kinds
[];
2294 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2295 unsigned int c_bool
: 1;
2299 extern gfc_logical_info gfc_logical_kinds
[];
2304 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2305 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2306 int range
, precision
;
2308 /* The precision of the type as reported by GET_MODE_PRECISION. */
2311 /* True if the C type of the given name maps to this precision.
2312 Note that more than one bit can be set. */
2313 unsigned int c_float
: 1;
2314 unsigned int c_double
: 1;
2315 unsigned int c_long_double
: 1;
2316 unsigned int c_float128
: 1;
2320 extern gfc_real_info gfc_real_kinds
[];
2329 extern gfc_character_info gfc_character_kinds
[];
2332 /* Equivalence structures. Equivalent lvalues are linked along the
2333 *eq pointer, equivalence sets are strung along the *next node. */
2334 typedef struct gfc_equiv
2336 struct gfc_equiv
*next
, *eq
;
2343 #define gfc_get_equiv() XCNEW (gfc_equiv)
2345 /* Holds a single equivalence member after processing. */
2346 typedef struct gfc_equiv_info
2349 HOST_WIDE_INT offset
;
2350 HOST_WIDE_INT length
;
2351 struct gfc_equiv_info
*next
;
2354 /* Holds equivalence groups, after they have been processed. */
2355 typedef struct gfc_equiv_list
2357 gfc_equiv_info
*equiv
;
2358 struct gfc_equiv_list
*next
;
2361 /* gfc_case stores the selector list of a case statement. The *low
2362 and *high pointers can point to the same expression in the case of
2363 a single value. If *high is NULL, the selection is from *low
2364 upwards, if *low is NULL the selection is *high downwards.
2366 This structure has separate fields to allow single and double linked
2367 lists of CASEs at the same time. The singe linked list along the NEXT
2368 field is a list of cases for a single CASE label. The double linked
2369 list along the LEFT/RIGHT fields is used to detect overlap and to
2370 build a table of the cases for SELECT constructs with a CHARACTER
2373 typedef struct gfc_case
2375 /* Where we saw this case. */
2379 /* Case range values. If (low == high), it's a single value. If one of
2380 the labels is NULL, it's an unbounded case. If both are NULL, this
2381 represents the default case. */
2382 gfc_expr
*low
, *high
;
2384 /* Only used for SELECT TYPE. */
2387 /* Next case label in the list of cases for a single CASE label. */
2388 struct gfc_case
*next
;
2390 /* Used for detecting overlap, and for code generation. */
2391 struct gfc_case
*left
, *right
;
2393 /* True if this case label can never be matched. */
2398 #define gfc_get_case() XCNEW (gfc_case)
2403 gfc_expr
*var
, *start
, *end
, *step
;
2404 unsigned short unroll
;
2408 #define gfc_get_iterator() XCNEW (gfc_iterator)
2411 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2413 typedef struct gfc_alloc
2416 struct gfc_alloc
*next
;
2420 #define gfc_get_alloc() XCNEW (gfc_alloc)
2425 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2426 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2427 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
,
2437 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2445 gfc_expr
*unit
, *iostat
, *iomsg
;
2453 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2454 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2455 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2456 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2457 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2458 *iqstream
, *share
, *cc
;
2468 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2469 gfc_st_label
*err
, *end
, *eor
;
2476 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2477 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2478 *sign
, *extra_comma
, *dt_io_kind
, *udtio
;
2481 gfc_symbol
*namelist
;
2482 /* A format_label of `format_asterisk' indicates the "*" format */
2483 gfc_st_label
*format_label
;
2484 gfc_st_label
*err
, *end
, *eor
;
2486 locus eor_where
, end_where
, err_where
;
2491 typedef struct gfc_forall_iterator
2493 gfc_expr
*var
, *start
, *end
, *stride
;
2494 struct gfc_forall_iterator
*next
;
2496 gfc_forall_iterator
;
2499 /* Linked list to store associations in an ASSOCIATE statement. */
2501 typedef struct gfc_association_list
2503 struct gfc_association_list
*next
;
2505 /* Whether this is association to a variable that can be changed; otherwise,
2506 it's association to an expression and the name may not be used as
2508 unsigned variable
:1;
2510 /* True if this struct is currently only linked to from a gfc_symbol rather
2511 than as part of a real list in gfc_code->ext.block.assoc. This may
2512 happen for SELECT TYPE temporaries and must be considered
2513 for memory handling. */
2514 unsigned dangling
:1;
2516 /* True when the rank of the target expression is guessed during parsing. */
2517 unsigned rankguessed
:1;
2519 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2520 gfc_symtree
*st
; /* Symtree corresponding to name. */
2525 gfc_association_list
;
2526 #define gfc_get_association_list() XCNEW (gfc_association_list)
2529 /* Executable statements that fill gfc_code structures. */
2532 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2533 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2534 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2535 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2536 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2537 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2538 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2539 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2540 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2541 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2542 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2543 EXEC_FORM_TEAM
, EXEC_CHANGE_TEAM
, EXEC_END_TEAM
, EXEC_SYNC_TEAM
,
2544 EXEC_LOCK
, EXEC_UNLOCK
, EXEC_EVENT_POST
, EXEC_EVENT_WAIT
, EXEC_FAIL_IMAGE
,
2545 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
, EXEC_OACC_ROUTINE
,
2546 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2547 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2548 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
, EXEC_OACC_ATOMIC
,
2550 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2551 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2552 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2553 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2554 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2555 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2556 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2557 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2558 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2559 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2560 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2561 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2562 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2563 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2564 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2565 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2566 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2567 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2568 EXEC_OMP_TARGET_UPDATE
, EXEC_OMP_END_CRITICAL
,
2569 EXEC_OMP_TARGET_ENTER_DATA
, EXEC_OMP_TARGET_EXIT_DATA
,
2570 EXEC_OMP_TARGET_PARALLEL
, EXEC_OMP_TARGET_PARALLEL_DO
,
2571 EXEC_OMP_TARGET_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET_SIMD
,
2572 EXEC_OMP_TASKLOOP
, EXEC_OMP_TASKLOOP_SIMD
2575 enum gfc_omp_atomic_op
2577 GFC_OMP_ATOMIC_UPDATE
= 0,
2578 GFC_OMP_ATOMIC_READ
= 1,
2579 GFC_OMP_ATOMIC_WRITE
= 2,
2580 GFC_OMP_ATOMIC_CAPTURE
= 3,
2581 GFC_OMP_ATOMIC_MASK
= 3,
2582 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2583 GFC_OMP_ATOMIC_SWAP
= 8
2586 typedef struct gfc_code
2590 struct gfc_code
*block
, *next
;
2593 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2594 gfc_symtree
*symtree
;
2595 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2596 /* A name isn't sufficient to identify a subroutine, we need the actual
2597 symbol for the interface definition.
2598 const char *sub_name; */
2599 gfc_symbol
*resolved_sym
;
2600 gfc_intrinsic_sym
*resolved_isym
;
2604 gfc_actual_arglist
*actual
;
2605 gfc_iterator
*iterator
;
2611 /* Take the array specification from expr3 to allocate arrays
2612 without an explicit array specification. */
2613 unsigned arr_spec_from_expr3
:1;
2620 gfc_association_list
*assoc
;
2621 gfc_case
*case_list
;
2627 gfc_filepos
*filepos
;
2628 gfc_inquire
*inquire
;
2631 gfc_forall_iterator
*forall_iterator
;
2632 struct gfc_code
*which_construct
;
2634 gfc_entry_list
*entry
;
2635 gfc_oacc_declare
*oacc_declare
;
2636 gfc_omp_clauses
*omp_clauses
;
2637 const char *omp_name
;
2638 gfc_omp_namelist
*omp_namelist
;
2640 gfc_omp_atomic_op omp_atomic
;
2642 ext
; /* Points to additional structures required by statement */
2644 /* Cycle and break labels in constructs. */
2651 /* Storage for DATA statements. */
2652 typedef struct gfc_data_variable
2656 struct gfc_data_variable
*list
, *next
;
2661 typedef struct gfc_data_value
2665 struct gfc_data_value
*next
;
2670 typedef struct gfc_data
2672 gfc_data_variable
*var
;
2673 gfc_data_value
*value
;
2676 struct gfc_data
*next
;
2681 /* Structure for holding compile options */
2685 gfc_source_form source_form
;
2686 int max_continue_fixed
;
2687 int max_continue_free
;
2688 int max_identifier_length
;
2692 int flag_preprocessed
;
2694 int flag_init_integer
;
2695 long flag_init_integer_value
;
2696 int flag_init_logical
;
2697 int flag_init_character
;
2698 char flag_init_character_value
;
2709 extern gfc_option_t gfc_option
;
2711 /* Constructor nodes for array and structure constructors. */
2712 typedef struct gfc_constructor
2714 gfc_constructor_base base
;
2715 mpz_t offset
; /* Offset within a constructor, used as
2719 gfc_iterator
*iterator
;
2724 gfc_component
*component
; /* Record the component being initialized. */
2727 mpz_t repeat
; /* Record the repeat number of initial values in data
2728 statement like "data a/5*10/". */
2733 typedef struct iterator_stack
2735 gfc_symtree
*variable
;
2737 struct iterator_stack
*prev
;
2740 extern iterator_stack
*iter_stack
;
2743 /* Used for (possibly nested) SELECT TYPE statements. */
2744 typedef struct gfc_select_type_stack
2746 gfc_symbol
*selector
; /* Current selector variable. */
2747 gfc_symtree
*tmp
; /* Current temporary variable. */
2748 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2750 gfc_select_type_stack
;
2751 extern gfc_select_type_stack
*select_type_stack
;
2752 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2755 /* Node in the linked list used for storing finalizer procedures. */
2757 typedef struct gfc_finalizer
2759 struct gfc_finalizer
* next
;
2760 locus where
; /* Where the FINAL declaration occurred. */
2762 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2763 symtree and later need only that. This way, we can access and call the
2764 finalizers from every context as they should be "always accessible". I
2765 don't make this a union because we need the information whether proc_sym is
2766 still referenced or not for dereferencing it on deleting a gfc_finalizer
2768 gfc_symbol
* proc_sym
;
2769 gfc_symtree
* proc_tree
;
2772 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2775 /************************ Function prototypes *************************/
2778 bool gfc_in_match_data (void);
2779 match
gfc_match_char_spec (gfc_typespec
*);
2780 extern int directive_unroll
;
2782 /* SIMD clause enum. */
2783 enum gfc_simd_clause
2785 SIMD_NONE
= (1 << 0),
2786 SIMD_INBRANCH
= (1 << 1),
2787 SIMD_NOTINBRANCH
= (1 << 2)
2790 /* Tuple for parsing of vectorized built-ins. */
2791 struct gfc_vect_builtin_tuple
2793 gfc_vect_builtin_tuple (const char *n
, gfc_simd_clause t
)
2794 : name (n
), simd_type (t
) {}
2797 gfc_simd_clause simd_type
;
2800 /* Map of middle-end built-ins that should be vectorized. */
2801 extern hash_map
<nofree_string_hash
, int> *gfc_vectorized_builtins
;
2803 /* Handling Parameterized Derived Types */
2804 bool gfc_insert_kind_parameter_exprs (gfc_expr
*);
2805 bool gfc_insert_parameter_exprs (gfc_expr
*, gfc_actual_arglist
*);
2806 match
gfc_get_pdt_instance (gfc_actual_arglist
*, gfc_symbol
**,
2807 gfc_actual_arglist
**);
2810 void gfc_scanner_done_1 (void);
2811 void gfc_scanner_init_1 (void);
2813 void gfc_add_include_path (const char *, bool, bool, bool);
2814 void gfc_add_intrinsic_modules_path (const char *);
2815 void gfc_release_include_path (void);
2816 FILE *gfc_open_included_file (const char *, bool, bool);
2818 int gfc_at_end (void);
2819 int gfc_at_eof (void);
2820 int gfc_at_bol (void);
2821 int gfc_at_eol (void);
2822 void gfc_advance_line (void);
2823 int gfc_check_include (void);
2824 int gfc_define_undef_line (void);
2826 int gfc_wide_is_printable (gfc_char_t
);
2827 int gfc_wide_is_digit (gfc_char_t
);
2828 int gfc_wide_fits_in_byte (gfc_char_t
);
2829 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2830 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2831 size_t gfc_wide_strlen (const gfc_char_t
*);
2832 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2833 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2834 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2835 gfc_char_t
*gfc_char_to_widechar (const char *);
2837 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2839 void gfc_skip_comments (void);
2840 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2841 gfc_char_t
gfc_next_char (void);
2842 char gfc_next_ascii_char (void);
2843 gfc_char_t
gfc_peek_char (void);
2844 char gfc_peek_ascii_char (void);
2845 void gfc_error_recovery (void);
2846 void gfc_gobble_whitespace (void);
2847 bool gfc_new_file (void);
2848 const char * gfc_read_orig_filename (const char *, const char **);
2850 extern gfc_source_form gfc_current_form
;
2851 extern const char *gfc_source_file
;
2852 extern locus gfc_current_locus
;
2854 void gfc_start_source_files (void);
2855 void gfc_end_source_files (void);
2858 void gfc_clear_ts (gfc_typespec
*);
2859 FILE *gfc_open_file (const char *);
2860 const char *gfc_basic_typename (bt
);
2861 const char *gfc_typename (gfc_typespec
*);
2862 const char *gfc_op2string (gfc_intrinsic_op
);
2863 const char *gfc_code2string (const mstring
*, int);
2864 int gfc_string2code (const mstring
*, const char *);
2865 const char *gfc_intent_string (sym_intent
);
2867 void gfc_init_1 (void);
2868 void gfc_init_2 (void);
2869 void gfc_done_1 (void);
2870 void gfc_done_2 (void);
2872 int get_c_kind (const char *, CInteropKind_t
*);
2874 const char *gfc_closest_fuzzy_match (const char *, char **);
2876 vec_push (char **&optr
, size_t &osz
, const char *elt
)
2878 /* {auto,}vec.safe_push () replacement. Don't ask.. */
2879 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
2880 optr
= XRESIZEVEC (char *, optr
, osz
+ 2);
2881 optr
[osz
] = CONST_CAST (char *, elt
);
2885 HOST_WIDE_INT
gfc_mpz_get_hwi (mpz_t
);
2886 void gfc_mpz_set_hwi (mpz_t
, const HOST_WIDE_INT
);
2889 unsigned int gfc_option_lang_mask (void);
2890 void gfc_init_options_struct (struct gcc_options
*);
2891 void gfc_init_options (unsigned int,
2892 struct cl_decoded_option
*);
2893 bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT
, int, location_t
,
2894 const struct cl_option_handlers
*);
2895 bool gfc_post_options (const char **);
2896 char *gfc_get_option_string (void);
2899 void gfc_maybe_initialize_eh (void);
2902 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2903 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2906 void gfc_error_init_1 (void);
2907 void gfc_diagnostics_init (void);
2908 void gfc_diagnostics_finish (void);
2909 void gfc_buffer_error (bool);
2911 const char *gfc_print_wide_char (gfc_char_t
);
2913 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2914 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2915 bool gfc_warning_internal (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2916 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2917 ATTRIBUTE_GCC_GFC(3,4);
2919 void gfc_clear_warning (void);
2920 void gfc_warning_check (void);
2922 void gfc_error_opt (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2923 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2924 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2925 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2926 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2927 void gfc_clear_error (void);
2928 bool gfc_error_check (void);
2929 bool gfc_error_flag_test (void);
2931 notification
gfc_notification_std (int);
2932 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2934 /* A general purpose syntax error. */
2935 #define gfc_syntax_error(ST) \
2936 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2938 #include "pretty-print.h" /* For output_buffer. */
2939 struct gfc_error_buffer
2942 output_buffer buffer
;
2943 gfc_error_buffer(void) : flag(false), buffer() {}
2946 void gfc_push_error (gfc_error_buffer
*);
2947 void gfc_pop_error (gfc_error_buffer
*);
2948 void gfc_free_error (gfc_error_buffer
*);
2950 void gfc_get_errors (int *, int *);
2951 void gfc_errors_to_warnings (bool);
2954 void gfc_arith_init_1 (void);
2955 void gfc_arith_done_1 (void);
2956 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2957 bool gfc_check_character_range (gfc_char_t
, int);
2960 bool gfc_check_any_c_kind (gfc_typespec
*);
2961 int gfc_validate_kind (bt
, int, bool);
2962 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2963 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2964 tree
gfc_get_union_type (gfc_symbol
*);
2965 tree
gfc_get_derived_type (gfc_symbol
* derived
, int codimen
= 0);
2966 extern int gfc_index_integer_kind
;
2967 extern int gfc_default_integer_kind
;
2968 extern int gfc_max_integer_kind
;
2969 extern int gfc_default_real_kind
;
2970 extern int gfc_default_double_kind
;
2971 extern int gfc_default_character_kind
;
2972 extern int gfc_default_logical_kind
;
2973 extern int gfc_default_complex_kind
;
2974 extern int gfc_c_int_kind
;
2975 extern int gfc_atomic_int_kind
;
2976 extern int gfc_atomic_logical_kind
;
2977 extern int gfc_intio_kind
;
2978 extern int gfc_charlen_int_kind
;
2979 extern int gfc_size_kind
;
2980 extern int gfc_numeric_storage_size
;
2981 extern int gfc_character_storage_size
;
2983 #define gfc_logical_4_kind 4
2984 #define gfc_integer_4_kind 4
2985 #define gfc_real_4_kind 4
2988 void gfc_clear_new_implicit (void);
2989 bool gfc_add_new_implicit_range (int, int);
2990 bool gfc_merge_new_implicit (gfc_typespec
*);
2991 void gfc_set_implicit_none (bool, bool, locus
*);
2992 void gfc_check_function_type (gfc_namespace
*);
2993 bool gfc_is_intrinsic_typename (const char *);
2995 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2996 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2998 void gfc_set_sym_referenced (gfc_symbol
*);
3000 bool gfc_add_attribute (symbol_attribute
*, locus
*);
3001 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
3002 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
3003 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
3004 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
3005 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
3006 bool gfc_add_external (symbol_attribute
*, locus
*);
3007 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
3008 bool gfc_add_optional (symbol_attribute
*, locus
*);
3009 bool gfc_add_kind (symbol_attribute
*, locus
*);
3010 bool gfc_add_len (symbol_attribute
*, locus
*);
3011 bool gfc_add_pointer (symbol_attribute
*, locus
*);
3012 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
3013 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
3014 match
gfc_mod_pointee_as (gfc_array_spec
*);
3015 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
3016 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
3017 bool gfc_add_automatic (symbol_attribute
*, const char *, locus
*);
3018 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
3019 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
3020 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
3021 bool gfc_add_omp_declare_target_link (symbol_attribute
*, const char *,
3023 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
3024 bool gfc_add_target (symbol_attribute
*, locus
*);
3025 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
3026 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
3027 bool gfc_add_common (symbol_attribute
*, locus
*);
3028 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
3029 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
3030 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
3031 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
3032 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
3033 bool gfc_add_elemental (symbol_attribute
*, locus
*);
3034 bool gfc_add_pure (symbol_attribute
*, locus
*);
3035 bool gfc_add_recursive (symbol_attribute
*, locus
*);
3036 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
3037 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
3038 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
3039 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
3040 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
3041 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
3043 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
3044 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
3045 bool gfc_add_extension (symbol_attribute
*, locus
*);
3046 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
3047 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
3048 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
3049 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
3050 const char *, locus
*);
3051 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
3052 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
3053 gfc_formal_arglist
*, locus
*);
3054 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
3056 void gfc_clear_attr (symbol_attribute
*);
3057 bool gfc_missing_attr (symbol_attribute
*, locus
*);
3058 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
3059 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
3060 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
3061 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
3062 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
3063 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool,
3066 gfc_st_label
*gfc_get_st_label (int);
3067 void gfc_free_st_label (gfc_st_label
*);
3068 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
3069 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
3071 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
3072 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
3073 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
3074 void gfc_delete_symtree (gfc_symtree
**, const char *);
3075 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
3076 gfc_user_op
*gfc_get_uop (const char *);
3077 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
3078 void gfc_free_symbol (gfc_symbol
*);
3079 void gfc_release_symbol (gfc_symbol
*);
3080 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
3081 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
3082 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
3083 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
3084 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
3085 bool gfc_verify_c_interop (gfc_typespec
*);
3086 bool gfc_verify_c_interop_param (gfc_symbol
*);
3087 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
3088 bool verify_bind_c_derived_type (gfc_symbol
*);
3089 bool verify_com_block_vars_c_interop (gfc_common_head
*);
3090 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
3091 const char *, gfc_symtree
*, bool);
3092 void gfc_save_symbol_data (gfc_symbol
*);
3093 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
3094 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
3095 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
3097 void gfc_drop_last_undo_checkpoint (void);
3098 void gfc_restore_last_undo_checkpoint (void);
3099 void gfc_undo_symbols (void);
3100 void gfc_commit_symbols (void);
3101 void gfc_commit_symbol (gfc_symbol
*);
3102 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
3103 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
3104 void gfc_free_namespace (gfc_namespace
*);
3106 void gfc_symbol_init_2 (void);
3107 void gfc_symbol_done_2 (void);
3109 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
3110 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
3111 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
3112 void gfc_save_all (gfc_namespace
*);
3114 void gfc_enforce_clean_symbol_state (void);
3115 void gfc_free_dt_list (void);
3118 gfc_gsymbol
*gfc_get_gsymbol (const char *, bool bind_c
);
3119 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
3120 gfc_gsymbol
*gfc_find_case_gsymbol (gfc_gsymbol
*, const char *);
3122 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
3123 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
3124 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
3125 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
3126 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
3128 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
3129 gfc_actual_arglist
*);
3131 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
3133 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
3134 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
3136 bool gfc_is_associate_pointer (gfc_symbol
*);
3137 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
3138 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
3140 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3141 extern bool gfc_init_expr_flag
;
3143 /* Given a symbol that we have decided is intrinsic, mark it as such
3144 by placing it into a special module that is otherwise impossible to
3147 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3149 void gfc_intrinsic_init_1 (void);
3150 void gfc_intrinsic_done_1 (void);
3152 char gfc_type_letter (bt
, bool logical_equals_int
= false);
3153 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
3154 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
3155 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
3156 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
3157 int gfc_generic_intrinsic (const char *);
3158 int gfc_specific_intrinsic (const char *);
3159 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
3160 int gfc_intrinsic_actual_ok (const char *, const bool);
3161 gfc_intrinsic_sym
*gfc_find_function (const char *);
3162 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
3163 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
3164 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
3165 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
3166 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
3169 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
3170 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3172 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3173 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3176 /* match.c -- FIXME */
3177 void gfc_free_iterator (gfc_iterator
*, int);
3178 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3179 void gfc_free_alloc_list (gfc_alloc
*);
3180 void gfc_free_namelist (gfc_namelist
*);
3181 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3182 void gfc_free_equiv (gfc_equiv
*);
3183 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3184 void gfc_free_data (gfc_data
*);
3185 void gfc_reject_data (gfc_namespace
*);
3186 void gfc_free_case_list (gfc_case
*);
3188 /* matchexp.c -- FIXME too? */
3189 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3192 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3193 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3194 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare
*);
3195 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3196 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3197 void gfc_free_omp_udr (gfc_omp_udr
*);
3198 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3199 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3200 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*, bool);
3201 void gfc_resolve_omp_local_vars (gfc_namespace
*);
3202 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3203 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3204 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3205 void gfc_resolve_omp_udrs (gfc_symtree
*);
3206 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3207 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3208 void gfc_free_expr_list (gfc_expr_list
*);
3209 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3210 void gfc_resolve_oacc_declare (gfc_namespace
*);
3211 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3212 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3215 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3216 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3218 bool gfc_extract_int (gfc_expr
*, int *, int = 0);
3219 bool gfc_extract_hwi (gfc_expr
*, HOST_WIDE_INT
*, int = 0);
3221 bool is_subref_array (gfc_expr
*);
3222 bool gfc_is_simply_contiguous (gfc_expr
*, bool, bool);
3223 bool gfc_is_not_contiguous (gfc_expr
*);
3224 bool gfc_check_init_expr (gfc_expr
*);
3226 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3227 void gfc_free_ref_list (gfc_ref
*);
3228 void gfc_type_convert_binary (gfc_expr
*, int);
3229 bool gfc_is_constant_expr (gfc_expr
*);
3230 bool gfc_simplify_expr (gfc_expr
*, int);
3231 int gfc_has_vector_index (gfc_expr
*);
3233 gfc_expr
*gfc_get_expr (void);
3234 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3235 gfc_expr
*gfc_get_null_expr (locus
*);
3236 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3237 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3238 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3239 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, gfc_charlen_t len
);
3240 gfc_expr
*gfc_get_int_expr (int, locus
*, HOST_WIDE_INT
);
3241 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3242 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3244 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3245 void gfc_free_shape (mpz_t
**shape
, int rank
);
3246 void gfc_free_expr (gfc_expr
*);
3247 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3248 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3249 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3250 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3251 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3253 bool gfc_specification_expr (gfc_expr
*);
3255 int gfc_numeric_ts (gfc_typespec
*);
3256 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3258 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3259 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int, bool c
= true);
3260 bool gfc_check_pointer_assign (gfc_expr
*lvalue
, gfc_expr
*rvalue
,
3261 bool suppres_type_test
= false,
3262 bool is_init_expr
= false);
3263 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3265 gfc_expr
*gfc_build_default_init_expr (gfc_typespec
*, locus
*);
3266 gfc_expr
*gfc_build_init_expr (gfc_typespec
*, locus
*, bool);
3267 void gfc_apply_init (gfc_typespec
*, symbol_attribute
*, gfc_expr
*);
3268 bool gfc_has_default_initializer (gfc_symbol
*);
3269 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3270 gfc_expr
*gfc_generate_initializer (gfc_typespec
*, bool);
3271 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3272 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3273 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3275 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3277 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3278 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3280 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3281 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3282 bool gfc_derived_parameter_expr (gfc_expr
*);
3283 gfc_param_spec_type
gfc_spec_list_type (gfc_actual_arglist
*, gfc_symbol
*);
3284 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3285 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3286 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3287 bool gfc_is_class_array_function (gfc_expr
*);
3289 bool gfc_ref_this_image (gfc_ref
*ref
);
3290 bool gfc_is_coindexed (gfc_expr
*);
3291 bool gfc_is_coarray (gfc_expr
*);
3292 int gfc_get_corank (gfc_expr
*);
3293 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3294 bool gfc_has_ultimate_pointer (gfc_expr
*);
3295 gfc_expr
* gfc_find_team_co (gfc_expr
*);
3296 gfc_expr
* gfc_find_stat_co (gfc_expr
*);
3297 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3298 locus
, unsigned, ...);
3299 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3303 extern gfc_code new_st
;
3305 void gfc_clear_new_st (void);
3306 gfc_code
*gfc_get_code (gfc_exec_op
);
3307 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3308 void gfc_free_statement (gfc_code
*);
3309 void gfc_free_statements (gfc_code
*);
3310 void gfc_free_association_list (gfc_association_list
*);
3313 bool gfc_resolve_expr (gfc_expr
*);
3314 void gfc_resolve (gfc_namespace
*);
3315 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3316 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3317 int gfc_impure_variable (gfc_symbol
*);
3318 int gfc_pure (gfc_symbol
*);
3319 int gfc_implicit_pure (gfc_symbol
*);
3320 void gfc_unset_implicit_pure (gfc_symbol
*);
3321 int gfc_elemental (gfc_symbol
*);
3322 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3323 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3324 bool gfc_resolve_index (gfc_expr
*, int);
3325 bool gfc_resolve_dim_arg (gfc_expr
*);
3326 bool gfc_is_formal_arg (void);
3327 void gfc_resolve_substring_charlen (gfc_expr
*);
3328 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3329 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3330 bool gfc_type_is_extensible (gfc_symbol
*);
3331 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3332 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3333 extern int gfc_do_concurrent_flag
;
3334 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree
*);
3335 int gfc_pure_function (gfc_expr
*e
, const char **name
);
3336 int gfc_implicit_pure_function (gfc_expr
*e
);
3340 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3342 void gfc_free_array_spec (gfc_array_spec
*);
3343 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3345 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3346 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3347 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3349 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3351 void gfc_simplify_iterator_var (gfc_expr
*);
3352 bool gfc_expand_constructor (gfc_expr
*, bool);
3353 int gfc_constant_ac (gfc_expr
*);
3354 int gfc_expanded_ac (gfc_expr
*);
3355 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3356 bool gfc_resolve_array_constructor (gfc_expr
*);
3357 bool gfc_check_constructor_type (gfc_expr
*);
3358 bool gfc_check_iter_variable (gfc_expr
*);
3359 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3360 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3361 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3362 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3363 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*, bool a
= false);
3364 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3365 bool spec_size (gfc_array_spec
*, mpz_t
*);
3366 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3367 bool gfc_is_compile_time_shape (gfc_array_spec
*);
3369 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3372 #define gfc_str_startswith(str, pref) \
3373 (strncmp ((str), (pref), strlen (pref)) == 0)
3375 /* interface.c -- FIXME: some of these should be in symbol.c */
3376 void gfc_free_interface (gfc_interface
*);
3377 bool gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3378 bool gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3379 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3381 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3383 bool gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3384 char *, int, const char *, const char *);
3385 void gfc_check_interfaces (gfc_namespace
*);
3386 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3387 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3388 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3389 gfc_actual_arglist
**);
3390 match
gfc_extend_expr (gfc_expr
*);
3391 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3392 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3393 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3394 bool gfc_add_interface (gfc_symbol
*);
3395 gfc_interface
*gfc_current_interface_head (void);
3396 void gfc_set_current_interface_head (gfc_interface
*);
3397 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3398 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3399 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3400 bool gfc_has_vector_subscript (gfc_expr
*);
3401 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3402 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3403 void gfc_check_dtio_interfaces (gfc_symbol
*);
3404 gfc_symtree
* gfc_find_typebound_dtio_proc (gfc_symbol
*, bool, bool);
3405 gfc_symbol
* gfc_find_specific_dtio_proc (gfc_symbol
*, bool, bool);
3409 extern gfc_st_label format_asterisk
;
3411 void gfc_free_open (gfc_open
*);
3412 bool gfc_resolve_open (gfc_open
*);
3413 void gfc_free_close (gfc_close
*);
3414 bool gfc_resolve_close (gfc_close
*);
3415 void gfc_free_filepos (gfc_filepos
*);
3416 bool gfc_resolve_filepos (gfc_filepos
*, locus
*);
3417 void gfc_free_inquire (gfc_inquire
*);
3418 bool gfc_resolve_inquire (gfc_inquire
*);
3419 void gfc_free_dt (gfc_dt
*);
3420 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3421 void gfc_free_wait (gfc_wait
*);
3422 bool gfc_resolve_wait (gfc_wait
*);
3423 extern bool async_io_dt
;
3426 void gfc_module_init_2 (void);
3427 void gfc_module_done_2 (void);
3428 void gfc_dump_module (const char *, int);
3429 bool gfc_check_symbol_access (gfc_symbol
*);
3430 void gfc_free_use_stmts (gfc_use_list
*);
3431 const char *gfc_dt_lower_string (const char *);
3432 const char *gfc_dt_upper_string (const char *);
3435 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3436 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3437 symbol_attribute
gfc_caf_attr (gfc_expr
*, bool i
= false, bool *r
= NULL
);
3438 match
gfc_match_rvalue (gfc_expr
**);
3439 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3440 int gfc_check_digit (char, int);
3441 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3442 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3444 gfc_actual_arglist
**, bool);
3447 void gfc_generate_code (gfc_namespace
*);
3448 void gfc_generate_module_code (gfc_namespace
*);
3450 /* trans-intrinsic.c */
3451 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3454 typedef int (*compare_fn
) (void *, void *);
3455 void gfc_insert_bbt (void *, void *, compare_fn
);
3456 void gfc_delete_bbt (void *, void *, compare_fn
);
3458 /* dump-parse-tree.c */
3459 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3460 void gfc_dump_c_prototypes (gfc_namespace
*, FILE *);
3463 bool gfc_parse_file (void);
3464 void gfc_global_used (gfc_gsymbol
*, locus
*);
3465 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3468 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3469 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3470 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3473 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3474 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3475 size_t*, size_t*, size_t*);
3478 void gfc_fix_class_refs (gfc_expr
*e
);
3479 void gfc_add_component_ref (gfc_expr
*, const char *);
3480 void gfc_add_class_array_ref (gfc_expr
*);
3481 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3482 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3483 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3484 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3485 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3486 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3487 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3488 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3489 bool gfc_is_class_scalar_expr (gfc_expr
*);
3490 bool gfc_is_class_container_ref (gfc_expr
*e
);
3491 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3492 unsigned int gfc_hash_value (gfc_symbol
*);
3493 gfc_expr
*gfc_get_len_component (gfc_expr
*e
, int);
3494 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3496 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3497 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3498 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3499 const char*, bool, locus
*);
3500 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3501 const char*, bool, locus
*);
3502 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3503 gfc_intrinsic_op
, bool,
3505 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3506 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3508 #define CLASS_DATA(sym) sym->ts.u.derived->components
3509 #define UNLIMITED_POLY(sym) \
3510 (sym != NULL && sym->ts.type == BT_CLASS \
3511 && CLASS_DATA (sym) \
3512 && CLASS_DATA (sym)->ts.u.derived \
3513 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3514 #define IS_CLASS_ARRAY(sym) \
3515 (sym->ts.type == BT_CLASS \
3516 && CLASS_DATA (sym) \
3517 && CLASS_DATA (sym)->attr.dimension \
3518 && !CLASS_DATA (sym)->attr.class_pointer)
3520 /* frontend-passes.c */
3522 void gfc_run_passes (gfc_namespace
*);
3524 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3525 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3527 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3528 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3529 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3533 void gfc_convert_mpz_to_signed (mpz_t
, int);
3534 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3535 bool gfc_is_size_zero_array (gfc_expr
*);
3539 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3543 void finish_oacc_declare (gfc_namespace
*, gfc_symbol
*, bool);
3544 void gfc_adjust_builtins (void);
3546 #endif /* GCC_GFORTRAN_H */