1 /* gfortran header file
2 Copyright (C) 2000-2014 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
54 #include "splay-tree.h"
57 /* Major control parameters. */
59 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
60 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
62 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
65 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
68 #define stringize(x) expand_macro(x)
69 #define expand_macro(x) # x
71 /* For the runtime library, a standard prefix is a requirement to
72 avoid cluttering the namespace with things nobody asked for. It's
73 ugly to look at and a pain to type when you add the prefix by hand,
74 so we hide it behind a macro. */
75 #define PREFIX(x) "_gfortran_" x
78 /* A prefix for internal variables, which are not user-visible. */
79 #if !defined (NO_DOT_IN_LABEL)
80 # define GFC_PREFIX(x) "_F." x
81 #elif !defined (NO_DOLLAR_IN_LABEL)
82 # define GFC_PREFIX(x) "_F$" x
84 # define GFC_PREFIX(x) "_F_" x
87 #define BLANK_COMMON_NAME "__BLNK__"
89 /* Macro to initialize an mstring structure. */
90 #define minit(s, t) { s, NULL, t }
92 /* Structure for storing strings to be matched by gfc_match_string. */
103 /*************************** Enums *****************************/
105 /* Used when matching and resolving data I/O transfer statements. */
108 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
112 /* These are flags for identifying whether we are reading a character literal
113 between quotes or normal source code. */
116 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
119 /* This is returned by gfc_notification_std to know if, given the flags
120 that were given (-std=, -pedantic) we should issue an error, a warning
124 { SILENT
, WARNING
, ERROR
}
127 /* Matchers return one of these three values. The difference between
128 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
129 successful, but that something non-syntactic is wrong and an error
130 has already been issued. */
133 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
136 /* Used for different Fortran source forms in places like scanner.c. */
138 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
141 /* Expression node types. */
143 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
144 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
150 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
151 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
157 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
160 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
161 related to shared DO terminations and DO targets which are neither END DO
162 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
164 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
165 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
169 /* Intrinsic operators. */
171 { GFC_INTRINSIC_BEGIN
= 0,
172 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
173 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
174 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
175 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
176 /* ==, /=, >, >=, <, <= */
177 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
178 INTRINSIC_LT
, INTRINSIC_LE
,
179 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
180 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
181 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
182 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
183 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
187 /* This macro is the number of intrinsic operators that exist.
188 Assumptions are made about the numbering of the interface_op enums. */
189 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
191 /* Arithmetic results. */
193 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
194 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
201 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
202 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
203 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
204 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
205 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
206 ST_ENDDO
, ST_IMPLIED_ENDDO
,
207 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
208 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
209 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
210 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
211 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
212 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
213 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
214 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
215 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
216 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
217 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
218 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
219 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
220 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
221 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
222 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
223 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
224 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
225 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
226 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
227 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
228 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
229 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
230 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
231 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
232 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
233 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
234 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
235 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
236 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
237 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
238 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
239 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
240 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
241 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
242 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
243 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
244 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
245 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
246 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
247 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
248 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
249 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
250 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
254 /* Types of interfaces that we can have. Assignment interfaces are
255 considered to be intrinsic operators. */
258 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
259 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
263 /* Symbol flavors: these are all mutually exclusive.
264 10 elements = 4 bits. */
265 typedef enum sym_flavor
267 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
268 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
273 /* Procedure types. 7 elements = 3 bits. */
274 typedef enum procedure_type
275 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
276 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
281 typedef enum sym_intent
282 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
287 typedef enum gfc_access
288 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
292 /* Flags to keep track of where an interface came from.
293 3 elements = 2 bits. */
295 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
296 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
297 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
298 with explicit interface. */
302 /* Whether a SAVE attribute was set explicitly or implicitly. */
303 typedef enum save_state
304 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
308 /* Strings for all symbol attributes. We use these for dumping the
309 parse tree, in error messages, and also when reading and writing
310 modules. In symbol.c. */
311 extern const mstring flavors
[];
312 extern const mstring procedures
[];
313 extern const mstring intents
[];
314 extern const mstring access_types
[];
315 extern const mstring ifsrc_types
[];
316 extern const mstring save_status
[];
318 /* Enumeration of all the generic intrinsic functions. Used by the
319 backend for identification of a function. */
323 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
324 the backend (e.g. KIND). */
352 GFC_ISYM_ATOMIC_FETCH_ADD
,
353 GFC_ISYM_ATOMIC_FETCH_AND
,
354 GFC_ISYM_ATOMIC_FETCH_OR
,
355 GFC_ISYM_ATOMIC_FETCH_XOR
,
372 GFC_ISYM_CO_BROADCAST
,
377 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
378 GFC_ISYM_COMPILER_OPTIONS
,
379 GFC_ISYM_COMPILER_VERSION
,
389 GFC_ISYM_C_ASSOCIATED
,
390 GFC_ISYM_C_F_POINTER
,
391 GFC_ISYM_C_F_PROCPOINTER
,
395 GFC_ISYM_DATE_AND_TIME
,
399 GFC_ISYM_DOT_PRODUCT
,
408 GFC_ISYM_ERFC_SCALED
,
410 GFC_ISYM_EXECUTE_COMMAND_LINE
,
414 GFC_ISYM_EXTENDS_TYPE_OF
,
431 GFC_ISYM_GET_COMMAND
,
432 GFC_ISYM_GET_COMMAND_ARGUMENT
,
435 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
456 GFC_ISYM_IMAGE_INDEX
,
465 GFC_ISYM_IS_IOSTAT_END
,
466 GFC_ISYM_IS_IOSTAT_EOR
,
501 GFC_ISYM_MAXEXPONENT
,
509 GFC_ISYM_MINEXPONENT
,
534 GFC_ISYM_RANDOM_NUMBER
,
535 GFC_ISYM_RANDOM_SEED
,
544 GFC_ISYM_SAME_TYPE_AS
,
550 GFC_ISYM_SET_EXPONENT
,
570 GFC_ISYM_STORAGE_SIZE
,
576 GFC_ISYM_SYSTEM_CLOCK
,
600 typedef enum gfc_isym_id gfc_isym_id
;
604 GFC_INIT_LOGICAL_OFF
= 0,
605 GFC_INIT_LOGICAL_FALSE
,
606 GFC_INIT_LOGICAL_TRUE
612 GFC_INIT_CHARACTER_OFF
= 0,
613 GFC_INIT_CHARACTER_ON
615 init_local_character
;
619 GFC_INIT_INTEGER_OFF
= 0,
633 /************************* Structures *****************************/
635 /* Used for keeping things in balanced binary trees. */
636 #define BBT_HEADER(self) int priority; struct self *left, *right
638 #define NAMED_INTCST(a,b,c,d) a,
639 #define NAMED_KINDARRAY(a,b,c,d) a,
640 #define NAMED_FUNCTION(a,b,c,d) a,
641 #define NAMED_SUBROUTINE(a,b,c,d) a,
642 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
645 ISOFORTRANENV_INVALID
= -1,
646 #include "iso-fortran-env.def"
647 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
649 iso_fortran_env_symbol
;
651 #undef NAMED_KINDARRAY
652 #undef NAMED_FUNCTION
653 #undef NAMED_SUBROUTINE
654 #undef NAMED_DERIVED_TYPE
656 #define NAMED_INTCST(a,b,c,d) a,
657 #define NAMED_REALCST(a,b,c,d) a,
658 #define NAMED_CMPXCST(a,b,c,d) a,
659 #define NAMED_LOGCST(a,b,c) a,
660 #define NAMED_CHARKNDCST(a,b,c) a,
661 #define NAMED_CHARCST(a,b,c) a,
662 #define DERIVED_TYPE(a,b,c) a,
663 #define NAMED_FUNCTION(a,b,c,d) a,
664 #define NAMED_SUBROUTINE(a,b,c,d) a,
667 ISOCBINDING_INVALID
= -1,
668 #include "iso-c-binding.def"
670 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
672 iso_c_binding_symbol
;
677 #undef NAMED_CHARKNDCST
680 #undef NAMED_FUNCTION
681 #undef NAMED_SUBROUTINE
685 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
686 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
692 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
693 int value
; /* Used for both integer and character values. */
698 /* Array of structs, where the structs represent the C interop kinds.
699 The list will be implemented based on a hash of the kind name since
700 these could be accessed multiple times.
701 Declared in trans-types.c as a global, since it's in that file
702 that the list is initialized. */
703 extern CInteropKind_t c_interop_kinds_table
[];
706 /* Structure and list of supported extension attributes. */
709 EXT_ATTR_DLLIMPORT
= 0,
714 EXT_ATTR_NO_ARG_CHECK
,
715 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
723 const char *middle_end_name
;
727 extern const ext_attr_t ext_attr_list
[];
729 /* Symbol attribute structure. */
732 /* Variable attributes. */
733 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
734 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
735 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
736 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
737 contiguous
:1, fe_temp
: 1;
739 /* For CLASS containers, the pointer attribute is sometimes set internally
740 even though it was not directly specified. In this case, keep the
741 "real" (original) value here. */
742 unsigned class_pointer
:1;
744 ENUM_BITFIELD (save_state
) save
:2;
746 unsigned data
:1, /* Symbol is named in a DATA statement. */
747 is_protected
:1, /* Symbol has been marked as protected. */
748 use_assoc
:1, /* Symbol has been use-associated. */
749 use_only
:1, /* Symbol has been use-associated, with ONLY. */
750 use_rename
:1, /* Symbol has been use-associated and renamed. */
751 imported
:1, /* Symbol has been associated by IMPORT. */
752 host_assoc
:1; /* Symbol has been host associated. */
754 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
755 unsigned function
:1, subroutine
:1, procedure
:1;
756 unsigned generic
:1, generic_copy
:1;
757 unsigned implicit_type
:1; /* Type defined via implicit rules. */
758 unsigned untyped
:1; /* No implicit type could be found. */
760 unsigned is_bind_c
:1; /* say if is bound to C. */
761 unsigned extension
:8; /* extension level of a derived type. */
762 unsigned is_class
:1; /* is a CLASS container. */
763 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
764 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
765 unsigned vtype
:1; /* is a derived type of a vtab. */
767 /* These flags are both in the typespec and attribute. The attribute
768 list is what gets read from/written to a module file. The typespec
769 is created from a decl being processed. */
770 unsigned is_c_interop
:1; /* It's c interoperable. */
771 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
773 /* Function/subroutine attributes */
774 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
775 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
777 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
778 which is relevant for private module procedures. */
779 unsigned public_used
:1;
781 /* This is set if a contained procedure could be declared pure. This is
782 used for certain optimizations that require the result or arguments
783 cannot alias. Note that this is zero for PURE procedures. */
784 unsigned implicit_pure
:1;
786 /* This is set if the subroutine doesn't return. Currently, this
787 is only possible for intrinsic subroutines. */
790 /* Set if this procedure is an alternate entry point. These procedures
791 don't have any code associated, and the backend will turn them into
792 thunks to the master function. */
795 /* Set if this is the master function for a procedure with multiple
797 unsigned entry_master
:1;
799 /* Set if this is the master function for a function with multiple
800 entry points where characteristics of the entry points differ. */
801 unsigned mixed_entry_master
:1;
803 /* Set if a function must always be referenced by an explicit interface. */
804 unsigned always_explicit
:1;
806 /* Set if the symbol is generated and, hence, standard violations
807 shouldn't be flaged. */
808 unsigned artificial
:1;
810 /* Set if the symbol has been referenced in an expression. No further
811 modification of type or type parameters is permitted. */
812 unsigned referenced
:1;
814 /* Set if this is the symbol for the main program. */
815 unsigned is_main_program
:1;
817 /* Mutually exclusive multibit attributes. */
818 ENUM_BITFIELD (gfc_access
) access
:2;
819 ENUM_BITFIELD (sym_intent
) intent
:2;
820 ENUM_BITFIELD (sym_flavor
) flavor
:4;
821 ENUM_BITFIELD (ifsrc
) if_source
:2;
823 ENUM_BITFIELD (procedure_type
) proc
:3;
825 /* Special attributes for Cray pointers, pointees. */
826 unsigned cray_pointer
:1, cray_pointee
:1;
828 /* The symbol is a derived type with allocatable components, pointer
829 components or private components, procedure pointer components,
830 possibly nested. zero_comp is true if the derived type has no
831 component at all. defined_assign_comp is true if the derived
832 type or a (sub-)component has a typebound defined assignment.
833 unlimited_polymorphic flags the type of the container for these
835 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
836 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
837 defined_assign_comp
:1, unlimited_polymorphic
:1;
839 /* This is a temporary selector for SELECT TYPE or an associate
840 variable for SELECT_TYPE or ASSOCIATE. */
841 unsigned select_type_temporary
:1, associate_var
:1;
843 /* This is omp_{out,in,priv,orig} artificial variable in
844 !$OMP DECLARE REDUCTION. */
845 unsigned omp_udr_artificial_var
:1;
847 /* Mentioned in OMP DECLARE TARGET. */
848 unsigned omp_declare_target
:1;
850 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
851 unsigned ext_attr
:EXT_ATTR_NUM
;
853 /* Is a parameter associated with a deferred type component. */
854 unsigned deferred_parameter
:1;
856 /* The namespace where the attribute has been set. */
857 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
862 /* We need to store source lines as sequences of multibyte source
863 characters. We define here a type wide enough to hold any multibyte
864 source character, just like libcpp does. A 32-bit type is enough. */
866 #if HOST_BITS_PER_INT >= 32
867 typedef unsigned int gfc_char_t
;
868 #elif HOST_BITS_PER_LONG >= 32
869 typedef unsigned long gfc_char_t
;
870 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
871 typedef unsigned long long gfc_char_t
;
873 # error "Cannot find an integer type with at least 32 bits"
877 /* The following three structures are used to identify a location in
880 gfc_file is used to maintain a tree of the source files and how
881 they include each other
883 gfc_linebuf holds a single line of source code and information
884 which file it resides in
886 locus point to the sourceline and the character in the source
890 typedef struct gfc_file
892 struct gfc_file
*next
, *up
;
893 int inclusion_line
, line
;
897 typedef struct gfc_linebuf
899 source_location location
;
900 struct gfc_file
*file
;
901 struct gfc_linebuf
*next
;
909 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
911 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
919 /* In order for the "gfc" format checking to work correctly, you must
920 have declared a typedef locus first. */
921 #if GCC_VERSION >= 4001
922 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
924 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
928 /* Suppress error messages or re-enable them. */
930 void gfc_push_suppress_errors (void);
931 void gfc_pop_suppress_errors (void);
934 /* Character length structures hold the expression that gives the
935 length of a character variable. We avoid putting these into
936 gfc_typespec because doing so prevents us from doing structure
937 copies and forces us to deallocate any typespecs we create, as well
938 as structures that contain typespecs. They also can have multiple
939 character typespecs pointing to them.
941 These structures form a singly linked list within the current
942 namespace and are deallocated with the namespace. It is possible to
943 end up with gfc_charlen structures that have nothing pointing to them. */
945 typedef struct gfc_charlen
947 struct gfc_expr
*length
;
948 struct gfc_charlen
*next
;
949 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
951 tree passed_length
; /* Length argument explicitly passed. */
957 #define gfc_get_charlen() XCNEW (gfc_charlen)
959 /* Type specification structure. */
967 struct gfc_symbol
*derived
; /* For derived types only. */
968 gfc_charlen
*cl
; /* For character types only. */
969 int pad
; /* For hollerith types only. */
973 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
981 /* Array specification. */
984 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
986 array_type type
, cotype
;
987 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
989 /* These two fields are used with the Cray Pointer extension. */
990 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
991 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
992 AS_EXPLICIT, but we want to remember that we
998 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1001 /* Components of derived types. */
1002 typedef struct gfc_component
1007 symbol_attribute attr
;
1011 /* Used to cache a FIELD_DECL matching this same component
1012 but applied to a different backend containing type that was
1013 generated by gfc_nonrestricted_type. */
1014 tree norestrict_decl
;
1016 struct gfc_expr
*initializer
;
1017 struct gfc_component
*next
;
1019 /* Needed for procedure pointer components. */
1020 struct gfc_typebound_proc
*tb
;
1024 #define gfc_get_component() XCNEW (gfc_component)
1026 /* Formal argument lists are lists of symbols. */
1027 typedef struct gfc_formal_arglist
1029 /* Symbol representing the argument at this position in the arglist. */
1030 struct gfc_symbol
*sym
;
1031 /* Points to the next formal argument. */
1032 struct gfc_formal_arglist
*next
;
1036 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1039 /* The gfc_actual_arglist structure is for actual arguments. */
1040 typedef struct gfc_actual_arglist
1043 /* Alternate return label when the expr member is null. */
1044 struct gfc_st_label
*label
;
1046 /* This is set to the type of an eventual omitted optional
1047 argument. This is used to determine if a hidden string length
1048 argument has to be added to a function call. */
1049 bt missing_arg_type
;
1051 struct gfc_expr
*expr
;
1052 struct gfc_actual_arglist
*next
;
1056 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1059 /* Because a symbol can belong to multiple namelists, they must be
1060 linked externally to the symbol itself. */
1061 typedef struct gfc_namelist
1063 struct gfc_symbol
*sym
;
1064 struct gfc_namelist
*next
;
1068 #define gfc_get_namelist() XCNEW (gfc_namelist)
1072 OMP_REDUCTION_NONE
= -1,
1073 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1074 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1075 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1076 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1077 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1078 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1079 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1080 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1087 gfc_omp_reduction_op
;
1106 /* For use in OpenMP clauses in case we need extra information
1107 (aligned clause alignment, linear clause step, etc.). */
1109 typedef struct gfc_omp_namelist
1111 struct gfc_symbol
*sym
;
1112 struct gfc_expr
*expr
;
1115 gfc_omp_reduction_op reduction_op
;
1116 gfc_omp_depend_op depend_op
;
1117 gfc_omp_map_op map_op
;
1119 struct gfc_omp_namelist_udr
*udr
;
1120 struct gfc_omp_namelist
*next
;
1124 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1129 OMP_LIST_FIRSTPRIVATE
,
1130 OMP_LIST_LASTPRIVATE
,
1131 OMP_LIST_COPYPRIVATE
,
1145 /* Because a symbol can belong to multiple namelists, they must be
1146 linked externally to the symbol itself. */
1148 enum gfc_omp_sched_kind
1158 enum gfc_omp_default_sharing
1160 OMP_DEFAULT_UNKNOWN
,
1162 OMP_DEFAULT_PRIVATE
,
1164 OMP_DEFAULT_FIRSTPRIVATE
1167 enum gfc_omp_proc_bind_kind
1169 OMP_PROC_BIND_UNKNOWN
,
1170 OMP_PROC_BIND_MASTER
,
1171 OMP_PROC_BIND_SPREAD
,
1175 enum gfc_omp_cancel_kind
1178 OMP_CANCEL_PARALLEL
,
1179 OMP_CANCEL_SECTIONS
,
1181 OMP_CANCEL_TASKGROUP
1184 typedef struct gfc_omp_clauses
1186 struct gfc_expr
*if_expr
;
1187 struct gfc_expr
*final_expr
;
1188 struct gfc_expr
*num_threads
;
1189 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1190 enum gfc_omp_sched_kind sched_kind
;
1191 struct gfc_expr
*chunk_size
;
1192 enum gfc_omp_default_sharing default_sharing
;
1194 bool nowait
, ordered
, untied
, mergeable
;
1195 bool inbranch
, notinbranch
;
1196 enum gfc_omp_cancel_kind cancel
;
1197 enum gfc_omp_proc_bind_kind proc_bind
;
1198 struct gfc_expr
*safelen_expr
;
1199 struct gfc_expr
*simdlen_expr
;
1200 struct gfc_expr
*num_teams
;
1201 struct gfc_expr
*device
;
1202 struct gfc_expr
*thread_limit
;
1203 enum gfc_omp_sched_kind dist_sched_kind
;
1204 struct gfc_expr
*dist_chunk_size
;
1208 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1211 /* Node in the linked list used for storing !$omp declare simd constructs. */
1213 typedef struct gfc_omp_declare_simd
1215 struct gfc_omp_declare_simd
*next
;
1216 locus where
; /* Where the !$omp declare simd construct occurred. */
1218 gfc_symbol
*proc_name
;
1220 gfc_omp_clauses
*clauses
;
1222 gfc_omp_declare_simd
;
1223 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1225 typedef struct gfc_omp_udr
1227 struct gfc_omp_udr
*next
;
1228 locus where
; /* Where the !$omp declare reduction construct occurred. */
1232 gfc_omp_reduction_op rop
;
1234 struct gfc_symbol
*omp_out
;
1235 struct gfc_symbol
*omp_in
;
1236 struct gfc_namespace
*combiner_ns
;
1238 struct gfc_symbol
*omp_priv
;
1239 struct gfc_symbol
*omp_orig
;
1240 struct gfc_namespace
*initializer_ns
;
1243 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1245 typedef struct gfc_omp_namelist_udr
1247 struct gfc_omp_udr
*udr
;
1248 struct gfc_code
*combiner
;
1249 struct gfc_code
*initializer
;
1251 gfc_omp_namelist_udr
;
1252 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1254 /* The gfc_st_label structure is a BBT attached to a namespace that
1255 records the usage of statement labels within that space. */
1257 typedef struct gfc_st_label
1259 BBT_HEADER(gfc_st_label
);
1263 gfc_sl_type defined
, referenced
;
1265 struct gfc_expr
*format
;
1274 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1275 typedef struct gfc_interface
1277 struct gfc_symbol
*sym
;
1279 struct gfc_interface
*next
;
1283 #define gfc_get_interface() XCNEW (gfc_interface)
1285 /* User operator nodes. These are like stripped down symbols. */
1291 struct gfc_namespace
*ns
;
1297 /* A list of specific bindings that are associated with a generic spec. */
1298 typedef struct gfc_tbp_generic
1300 /* The parser sets specific_st, upon resolution we look for the corresponding
1301 gfc_typebound_proc and set specific for further use. */
1302 struct gfc_symtree
* specific_st
;
1303 struct gfc_typebound_proc
* specific
;
1305 struct gfc_tbp_generic
* next
;
1310 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1313 /* Data needed for type-bound procedures. */
1314 typedef struct gfc_typebound_proc
1316 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1320 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1321 gfc_tbp_generic
* generic
;
1326 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1328 /* The overridden type-bound proc (or GENERIC with this name in the
1329 parent-type) or NULL if non. */
1330 struct gfc_typebound_proc
* overridden
;
1332 /* Once resolved, we use the position of pass_arg in the formal arglist of
1333 the binding-target procedure to identify it. The first argument has
1334 number 1 here, the second 2, and so on. */
1335 unsigned pass_arg_num
;
1337 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1338 unsigned non_overridable
:1;
1339 unsigned deferred
:1;
1340 unsigned is_generic
:1;
1341 unsigned function
:1, subroutine
:1;
1342 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1348 /* Symbol nodes. These are important things. They are what the
1349 standard refers to as "entities". The possibly multiple names that
1350 refer to the same entity are accomplished by a binary tree of
1351 symtree structures that is balanced by the red-black method-- more
1352 than one symtree node can point to any given symbol. */
1354 typedef struct gfc_symbol
1356 const char *name
; /* Primary name, before renaming */
1357 const char *module
; /* Module this symbol came from */
1361 symbol_attribute attr
;
1363 /* The formal member points to the formal argument list if the
1364 symbol is a function or subroutine name. If the symbol is a
1365 generic name, the generic member points to the list of
1368 gfc_interface
*generic
;
1369 gfc_access component_access
;
1371 gfc_formal_arglist
*formal
;
1372 struct gfc_namespace
*formal_ns
;
1373 struct gfc_namespace
*f2k_derived
;
1375 struct gfc_expr
*value
; /* Parameter/Initializer value */
1377 struct gfc_symbol
*result
; /* function result symbol */
1378 gfc_component
*components
; /* Derived type components */
1380 /* Defined only for Cray pointees; points to their pointer. */
1381 struct gfc_symbol
*cp_pointer
;
1383 int entry_id
; /* Used in resolve.c for entries. */
1385 /* CLASS hashed name for declared and dynamic types in the class. */
1388 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1390 /* This is in fact a gfc_common_head but it is only used for pointer
1391 comparisons to check if symbols are in the same common block. */
1392 struct gfc_common_head
* common_head
;
1394 /* Make sure setup code for dummy arguments is generated in the correct
1398 gfc_namelist
*namelist
, *namelist_tail
;
1400 /* Change management fields. Symbols that might be modified by the
1401 current statement have the mark member nonzero and are kept in a
1402 singly linked list through the tlink field. Of these symbols,
1403 symbols with old_symbol equal to NULL are symbols created within
1404 the current statement. Otherwise, old_symbol points to a copy of
1407 struct gfc_symbol
*old_symbol
, *tlink
;
1408 unsigned mark
:1, gfc_new
:1;
1409 /* Nonzero if all equivalences associated with this symbol have been
1411 unsigned equiv_built
:1;
1412 /* Set if this variable is used as an index name in a FORALL. */
1413 unsigned forall_index
:1;
1414 /* Used to avoid multiple resolutions of a single symbol. */
1415 unsigned resolved
:1;
1418 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1422 /* Identity of the intrinsic module the symbol comes from, or
1423 INTMOD_NONE if it's not imported from a intrinsic module. */
1424 intmod_id from_intmod
;
1425 /* Identity of the symbol from intrinsic modules, from enums maintained
1426 separately by each intrinsic module. Used together with from_intmod,
1427 it uniquely identifies a symbol from an intrinsic module. */
1430 /* This may be repetitive, since the typespec now has a binding
1432 const char* binding_label
;
1433 /* Store a reference to the common_block, if this symbol is in one. */
1434 struct gfc_common_head
*common_block
;
1436 /* Link to corresponding association-list if this is an associate name. */
1437 struct gfc_association_list
*assoc
;
1442 struct gfc_undo_change_set
1444 vec
<gfc_symbol
*> syms
;
1445 vec
<gfc_typebound_proc
*> tbps
;
1446 gfc_undo_change_set
*previous
;
1450 /* This structure is used to keep track of symbols in common blocks. */
1451 typedef struct gfc_common_head
1454 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1455 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1456 struct gfc_symbol
*head
;
1457 const char* binding_label
;
1463 #define gfc_get_common_head() XCNEW (gfc_common_head)
1466 /* A list of all the alternate entry points for a procedure. */
1468 typedef struct gfc_entry_list
1470 /* The symbol for this entry point. */
1472 /* The zero-based id of this entry point. */
1474 /* The LABEL_EXPR marking this entry point. */
1476 /* The next item in the list. */
1477 struct gfc_entry_list
*next
;
1481 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1483 /* Lists of rename info for the USE statement. */
1485 typedef struct gfc_use_rename
1487 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1488 struct gfc_use_rename
*next
;
1490 gfc_intrinsic_op op
;
1495 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1497 /* A list of all USE statements in a namespace. */
1499 typedef struct gfc_use_list
1501 const char *module_name
;
1505 struct gfc_use_rename
*rename
;
1507 /* Next USE statement. */
1508 struct gfc_use_list
*next
;
1512 #define gfc_get_use_list() XCNEW (gfc_use_list)
1514 /* Within a namespace, symbols are pointed to by symtree nodes that
1515 are linked together in a balanced binary tree. There can be
1516 several symtrees pointing to the same symbol node via USE
1519 typedef struct gfc_symtree
1521 BBT_HEADER (gfc_symtree
);
1526 gfc_symbol
*sym
; /* Symbol associated with this node */
1528 gfc_common_head
*common
;
1529 gfc_typebound_proc
*tb
;
1530 gfc_omp_udr
*omp_udr
;
1536 /* A linked list of derived types in the namespace. */
1537 typedef struct gfc_dt_list
1539 struct gfc_symbol
*derived
;
1540 struct gfc_dt_list
*next
;
1544 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1546 /* A list of all derived types. */
1547 extern gfc_dt_list
*gfc_derived_types
;
1549 /* A namespace describes the contents of procedure, module, interface block
1550 or BLOCK construct. */
1551 /* ??? Anything else use these? */
1553 typedef struct gfc_namespace
1555 /* Tree containing all the symbols in this namespace. */
1556 gfc_symtree
*sym_root
;
1557 /* Tree containing all the user-defined operators in the namespace. */
1558 gfc_symtree
*uop_root
;
1559 /* Tree containing all the common blocks. */
1560 gfc_symtree
*common_root
;
1561 /* Tree containing all the OpenMP user defined reductions. */
1562 gfc_symtree
*omp_udr_root
;
1564 /* Tree containing type-bound procedures. */
1565 gfc_symtree
*tb_sym_root
;
1566 /* Type-bound user operators. */
1567 gfc_symtree
*tb_uop_root
;
1568 /* For derived-types, store type-bound intrinsic operators here. */
1569 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1570 /* Linked list of finalizer procedures. */
1571 struct gfc_finalizer
*finalizers
;
1573 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1574 int set_flag
[GFC_LETTERS
];
1575 /* Keeps track of the implicit types associated with the letters. */
1576 gfc_typespec default_type
[GFC_LETTERS
];
1577 /* Store the positions of IMPLICIT statements. */
1578 locus implicit_loc
[GFC_LETTERS
];
1580 /* If this is a namespace of a procedure, this points to the procedure. */
1581 struct gfc_symbol
*proc_name
;
1582 /* If this is the namespace of a unit which contains executable
1583 code, this points to it. */
1584 struct gfc_code
*code
;
1586 /* Points to the equivalences set up in this namespace. */
1587 struct gfc_equiv
*equiv
, *old_equiv
;
1589 /* Points to the equivalence groups produced by trans_common. */
1590 struct gfc_equiv_list
*equiv_lists
;
1592 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1594 /* Points to the parent namespace, i.e. the namespace of a module or
1595 procedure in which the procedure belonging to this namespace is
1596 contained. The parent namespace points to this namespace either
1597 directly via CONTAINED, or indirectly via the chain built by
1599 struct gfc_namespace
*parent
;
1600 /* CONTAINED points to the first contained namespace. Sibling
1601 namespaces are chained via SIBLING. */
1602 struct gfc_namespace
*contained
, *sibling
;
1604 gfc_common_head blank_common
;
1605 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1607 gfc_st_label
*st_labels
;
1608 /* This list holds information about all the data initializers in
1610 struct gfc_data
*data
, *old_data
;
1612 gfc_charlen
*cl_list
, *old_cl_list
;
1614 gfc_dt_list
*derived_types
;
1616 int save_all
, seen_save
, seen_implicit_none
;
1618 /* Normally we don't need to refcount namespaces. However when we read
1619 a module containing a function with multiple entry points, this
1620 will appear as several functions with the same formal namespace. */
1623 /* A list of all alternate entry points to this procedure (or NULL). */
1624 gfc_entry_list
*entries
;
1626 /* A list of USE statements in this namespace. */
1627 gfc_use_list
*use_stmts
;
1629 /* Linked list of !$omp declare simd constructs. */
1630 struct gfc_omp_declare_simd
*omp_declare_simd
;
1632 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1633 unsigned is_block_data
:1;
1635 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1636 unsigned has_import_set
:1;
1638 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1639 unsigned has_implicit_none_export
:1;
1641 /* Set to 1 if resolved has been called for this namespace.
1642 Holds -1 during resolution. */
1645 /* Set to 1 if code has been generated for this namespace. */
1646 unsigned translated
:1;
1648 /* Set to 1 if symbols in this namespace should be 'construct entities',
1649 i.e. for BLOCK local variables. */
1650 unsigned construct_entities
:1;
1652 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1653 unsigned omp_udr_ns
:1;
1657 extern gfc_namespace
*gfc_current_ns
;
1658 extern gfc_namespace
*gfc_global_ns_list
;
1660 /* Global symbols are symbols of global scope. Currently we only use
1661 this to detect collisions already when parsing.
1662 TODO: Extend to verify procedure calls. */
1664 enum gfc_symbol_type
1666 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1667 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1670 typedef struct gfc_gsymbol
1672 BBT_HEADER(gfc_gsymbol
);
1675 const char *sym_name
;
1676 const char *mod_name
;
1677 const char *binding_label
;
1678 enum gfc_symbol_type type
;
1686 extern gfc_gsymbol
*gfc_gsym_root
;
1688 /* Information on interfaces being built. */
1691 interface_type type
;
1695 gfc_intrinsic_op op
;
1699 extern gfc_interface_info current_interface
;
1702 /* Array reference. */
1704 enum gfc_array_ref_dimen_type
1706 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1709 typedef struct gfc_array_ref
1712 int dimen
; /* # of components in the reference */
1714 bool in_allocate
; /* For coarray checks. */
1718 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1719 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1720 *stride
[GFC_MAX_DIMENSIONS
];
1722 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1726 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1729 /* Component reference nodes. A variable is stored as an expression
1730 node that points to the base symbol. After that, a singly linked
1731 list of component reference nodes gives the variable's complete
1732 resolution. The array_ref component may be present and comes
1733 before the component component. */
1736 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1739 typedef struct gfc_ref
1745 struct gfc_array_ref ar
;
1749 gfc_component
*component
;
1756 struct gfc_expr
*start
, *end
; /* Substring */
1757 gfc_charlen
*length
;
1764 struct gfc_ref
*next
;
1768 #define gfc_get_ref() XCNEW (gfc_ref)
1771 /* Structures representing intrinsic symbols and their arguments lists. */
1772 typedef struct gfc_intrinsic_arg
1774 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1777 unsigned optional
:1, value
:1;
1778 ENUM_BITFIELD (sym_intent
) intent
:2;
1779 gfc_actual_arglist
*actual
;
1781 struct gfc_intrinsic_arg
*next
;
1787 /* Specifies the various kinds of check functions used to verify the
1788 argument lists of intrinsic functions. fX with X an integer refer
1789 to check functions of intrinsics with X arguments. f1m is used for
1790 the MAX and MIN intrinsics which can have an arbitrary number of
1791 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1792 these have special semantics. */
1797 bool (*f1
)(struct gfc_expr
*);
1798 bool (*f1m
)(gfc_actual_arglist
*);
1799 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1800 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1801 bool (*f3ml
)(gfc_actual_arglist
*);
1802 bool (*f3red
)(gfc_actual_arglist
*);
1803 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1805 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1806 struct gfc_expr
*, struct gfc_expr
*);
1810 /* Like gfc_check_f, these specify the type of the simplification
1811 function associated with an intrinsic. The fX are just like in
1812 gfc_check_f. cc is used for type conversion functions. */
1816 struct gfc_expr
*(*f0
)(void);
1817 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1818 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1819 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1821 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1822 struct gfc_expr
*, struct gfc_expr
*);
1823 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1824 struct gfc_expr
*, struct gfc_expr
*,
1826 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1830 /* Again like gfc_check_f, these specify the type of the resolution
1831 function associated with an intrinsic. The fX are just like in
1832 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1836 void (*f0
)(struct gfc_expr
*);
1837 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1838 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1839 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1840 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1842 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1843 struct gfc_expr
*, struct gfc_expr
*);
1844 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1845 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1846 void (*s1
)(struct gfc_code
*);
1851 typedef struct gfc_intrinsic_sym
1853 const char *name
, *lib_name
;
1854 gfc_intrinsic_arg
*formal
;
1856 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1857 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1862 gfc_simplify_f simplify
;
1864 gfc_resolve_f resolve
;
1865 struct gfc_intrinsic_sym
*specific_head
, *next
;
1872 /* Expression nodes. The expression node types deserve explanations,
1873 since the last couple can be easily misconstrued:
1875 EXPR_OP Operator node pointing to one or two other nodes
1876 EXPR_FUNCTION Function call, symbol points to function's name
1877 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1878 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1879 which expresses structure, array and substring refs.
1880 EXPR_NULL The NULL pointer value (which also has a basic type).
1881 EXPR_SUBSTRING A substring of a constant string
1882 EXPR_STRUCTURE A structure constructor
1883 EXPR_ARRAY An array constructor.
1884 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1885 component or type-bound procedure. */
1889 #define GFC_RND_MODE GMP_RNDN
1890 #define GFC_MPC_RND_MODE MPC_RNDNN
1892 typedef splay_tree gfc_constructor_base
;
1894 typedef struct gfc_expr
1898 gfc_typespec ts
; /* These two refer to the overall expression */
1900 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1901 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1903 /* Nonnull for functions and structure constructors, may also used to hold the
1904 base-object for component calls. */
1905 gfc_symtree
*symtree
;
1911 /* Used to store the base expression in component calls, when the expression
1912 is not a variable. */
1913 struct gfc_expr
*base_expr
;
1915 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1916 denotes a signalling not-a-number. */
1917 unsigned int is_boz
: 1, is_snan
: 1;
1919 /* Sometimes, when an error has been emitted, it is necessary to prevent
1920 it from recurring. */
1921 unsigned int error
: 1;
1923 /* Mark an expression where a user operator has been substituted by
1924 a function call in interface.c(gfc_extend_expr). */
1925 unsigned int user_operator
: 1;
1927 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1928 unsigned int mold
: 1;
1930 /* If an expression comes from a Hollerith constant or compile-time
1931 evaluation of a transfer statement, it may have a prescribed target-
1932 memory representation, and these cannot always be backformed from
1955 gfc_intrinsic_op op
;
1957 struct gfc_expr
*op1
, *op2
;
1963 gfc_actual_arglist
*actual
;
1964 const char *name
; /* Points to the ultimate name of the function */
1965 gfc_intrinsic_sym
*isym
;
1972 gfc_actual_arglist
* actual
;
1974 /* Base-object, whose component was called. NULL means that it should
1975 be taken from symtree/ref. */
1976 struct gfc_expr
* base_object
;
1977 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1979 /* For type-bound operators, we want to call PASS procedures but already
1980 have the full arglist; mark this, so that it is not extended by the
1982 unsigned ignore_pass
:1;
1984 /* Do assign-calls rather than calls, that is appropriate dependency
1997 gfc_constructor_base constructor
;
2005 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2007 /* Structures for information associated with different kinds of
2008 numbers. The first set of integer parameters define all there is
2009 to know about a particular kind. The rest of the elements are
2010 computed from the first elements. */
2014 /* Values really representable by the target. */
2015 mpz_t huge
, pedantic_min_int
, min_int
;
2017 int kind
, radix
, digits
, bit_size
, range
;
2019 /* True if the C type of the given name maps to this precision.
2020 Note that more than one bit can be set. */
2021 unsigned int c_char
: 1;
2022 unsigned int c_short
: 1;
2023 unsigned int c_int
: 1;
2024 unsigned int c_long
: 1;
2025 unsigned int c_long_long
: 1;
2029 extern gfc_integer_info gfc_integer_kinds
[];
2036 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2037 unsigned int c_bool
: 1;
2041 extern gfc_logical_info gfc_logical_kinds
[];
2046 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2047 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2048 int range
, precision
;
2050 /* The precision of the type as reported by GET_MODE_PRECISION. */
2053 /* True if the C type of the given name maps to this precision.
2054 Note that more than one bit can be set. */
2055 unsigned int c_float
: 1;
2056 unsigned int c_double
: 1;
2057 unsigned int c_long_double
: 1;
2058 unsigned int c_float128
: 1;
2062 extern gfc_real_info gfc_real_kinds
[];
2071 extern gfc_character_info gfc_character_kinds
[];
2074 /* Equivalence structures. Equivalent lvalues are linked along the
2075 *eq pointer, equivalence sets are strung along the *next node. */
2076 typedef struct gfc_equiv
2078 struct gfc_equiv
*next
, *eq
;
2085 #define gfc_get_equiv() XCNEW (gfc_equiv)
2087 /* Holds a single equivalence member after processing. */
2088 typedef struct gfc_equiv_info
2091 HOST_WIDE_INT offset
;
2092 HOST_WIDE_INT length
;
2093 struct gfc_equiv_info
*next
;
2096 /* Holds equivalence groups, after they have been processed. */
2097 typedef struct gfc_equiv_list
2099 gfc_equiv_info
*equiv
;
2100 struct gfc_equiv_list
*next
;
2103 /* gfc_case stores the selector list of a case statement. The *low
2104 and *high pointers can point to the same expression in the case of
2105 a single value. If *high is NULL, the selection is from *low
2106 upwards, if *low is NULL the selection is *high downwards.
2108 This structure has separate fields to allow single and double linked
2109 lists of CASEs at the same time. The singe linked list along the NEXT
2110 field is a list of cases for a single CASE label. The double linked
2111 list along the LEFT/RIGHT fields is used to detect overlap and to
2112 build a table of the cases for SELECT constructs with a CHARACTER
2115 typedef struct gfc_case
2117 /* Where we saw this case. */
2121 /* Case range values. If (low == high), it's a single value. If one of
2122 the labels is NULL, it's an unbounded case. If both are NULL, this
2123 represents the default case. */
2124 gfc_expr
*low
, *high
;
2126 /* Only used for SELECT TYPE. */
2129 /* Next case label in the list of cases for a single CASE label. */
2130 struct gfc_case
*next
;
2132 /* Used for detecting overlap, and for code generation. */
2133 struct gfc_case
*left
, *right
;
2135 /* True if this case label can never be matched. */
2140 #define gfc_get_case() XCNEW (gfc_case)
2145 gfc_expr
*var
, *start
, *end
, *step
;
2149 #define gfc_get_iterator() XCNEW (gfc_iterator)
2152 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2154 typedef struct gfc_alloc
2157 struct gfc_alloc
*next
;
2161 #define gfc_get_alloc() XCNEW (gfc_alloc)
2166 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2167 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2168 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2176 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2184 gfc_expr
*unit
, *iostat
, *iomsg
;
2192 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2193 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2194 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2195 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2196 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2207 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2208 gfc_st_label
*err
, *end
, *eor
;
2215 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2216 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2217 *sign
, *extra_comma
, *dt_io_kind
;
2219 gfc_symbol
*namelist
;
2220 /* A format_label of `format_asterisk' indicates the "*" format */
2221 gfc_st_label
*format_label
;
2222 gfc_st_label
*err
, *end
, *eor
;
2224 locus eor_where
, end_where
, err_where
;
2229 typedef struct gfc_forall_iterator
2231 gfc_expr
*var
, *start
, *end
, *stride
;
2232 struct gfc_forall_iterator
*next
;
2234 gfc_forall_iterator
;
2237 /* Linked list to store associations in an ASSOCIATE statement. */
2239 typedef struct gfc_association_list
2241 struct gfc_association_list
*next
;
2243 /* Whether this is association to a variable that can be changed; otherwise,
2244 it's association to an expression and the name may not be used as
2246 unsigned variable
:1;
2248 /* True if this struct is currently only linked to from a gfc_symbol rather
2249 than as part of a real list in gfc_code->ext.block.assoc. This may
2250 happen for SELECT TYPE temporaries and must be considered
2251 for memory handling. */
2252 unsigned dangling
:1;
2254 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2255 gfc_symtree
*st
; /* Symtree corresponding to name. */
2260 gfc_association_list
;
2261 #define gfc_get_association_list() XCNEW (gfc_association_list)
2264 /* Executable statements that fill gfc_code structures. */
2267 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2268 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2269 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2270 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2271 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2272 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2273 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2274 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2275 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2276 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2277 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2278 EXEC_LOCK
, EXEC_UNLOCK
,
2279 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2280 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2281 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2282 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2283 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2284 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2285 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2286 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2287 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2288 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2289 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2290 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2291 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2292 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2293 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2294 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2295 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2296 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2297 EXEC_OMP_TARGET_UPDATE
2303 GFC_OMP_ATOMIC_UPDATE
= 0,
2304 GFC_OMP_ATOMIC_READ
= 1,
2305 GFC_OMP_ATOMIC_WRITE
= 2,
2306 GFC_OMP_ATOMIC_CAPTURE
= 3,
2307 GFC_OMP_ATOMIC_MASK
= 3,
2308 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2309 GFC_OMP_ATOMIC_SWAP
= 8
2313 typedef struct gfc_code
2317 struct gfc_code
*block
, *next
;
2320 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2321 gfc_symtree
*symtree
;
2322 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2323 /* A name isn't sufficient to identify a subroutine, we need the actual
2324 symbol for the interface definition.
2325 const char *sub_name; */
2326 gfc_symbol
*resolved_sym
;
2327 gfc_intrinsic_sym
*resolved_isym
;
2331 gfc_actual_arglist
*actual
;
2332 gfc_iterator
*iterator
;
2344 gfc_association_list
*assoc
;
2345 gfc_case
*case_list
;
2351 gfc_filepos
*filepos
;
2352 gfc_inquire
*inquire
;
2355 gfc_forall_iterator
*forall_iterator
;
2356 struct gfc_code
*which_construct
;
2358 gfc_entry_list
*entry
;
2359 gfc_omp_clauses
*omp_clauses
;
2360 const char *omp_name
;
2361 gfc_omp_namelist
*omp_namelist
;
2363 gfc_omp_atomic_op omp_atomic
;
2365 ext
; /* Points to additional structures required by statement */
2367 /* Cycle and break labels in constructs. */
2374 /* Storage for DATA statements. */
2375 typedef struct gfc_data_variable
2379 struct gfc_data_variable
*list
, *next
;
2384 typedef struct gfc_data_value
2388 struct gfc_data_value
*next
;
2393 typedef struct gfc_data
2395 gfc_data_variable
*var
;
2396 gfc_data_value
*value
;
2399 struct gfc_data
*next
;
2404 /* Structure for holding compile options */
2408 gfc_source_form source_form
;
2409 int max_continue_fixed
;
2410 int max_continue_free
;
2411 int max_identifier_length
;
2415 int flag_preprocessed
;
2417 int flag_init_integer
;
2418 int flag_init_integer_value
;
2419 int flag_init_logical
;
2420 int flag_init_character
;
2421 char flag_init_character_value
;
2432 extern gfc_option_t gfc_option
;
2434 /* Constructor nodes for array and structure constructors. */
2435 typedef struct gfc_constructor
2437 gfc_constructor_base base
;
2438 mpz_t offset
; /* Offset within a constructor, used as
2442 gfc_iterator
*iterator
;
2447 gfc_component
*component
; /* Record the component being initialized. */
2450 mpz_t repeat
; /* Record the repeat number of initial values in data
2451 statement like "data a/5*10/". */
2456 typedef struct iterator_stack
2458 gfc_symtree
*variable
;
2460 struct iterator_stack
*prev
;
2463 extern iterator_stack
*iter_stack
;
2466 /* Used for (possibly nested) SELECT TYPE statements. */
2467 typedef struct gfc_select_type_stack
2469 gfc_symbol
*selector
; /* Current selector variable. */
2470 gfc_symtree
*tmp
; /* Current temporary variable. */
2471 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2473 gfc_select_type_stack
;
2474 extern gfc_select_type_stack
*select_type_stack
;
2475 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2478 /* Node in the linked list used for storing finalizer procedures. */
2480 typedef struct gfc_finalizer
2482 struct gfc_finalizer
* next
;
2483 locus where
; /* Where the FINAL declaration occurred. */
2485 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2486 symtree and later need only that. This way, we can access and call the
2487 finalizers from every context as they should be "always accessible". I
2488 don't make this a union because we need the information whether proc_sym is
2489 still referenced or not for dereferencing it on deleting a gfc_finalizer
2491 gfc_symbol
* proc_sym
;
2492 gfc_symtree
* proc_tree
;
2495 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2498 /************************ Function prototypes *************************/
2501 bool gfc_in_match_data (void);
2502 match
gfc_match_char_spec (gfc_typespec
*);
2505 void gfc_scanner_done_1 (void);
2506 void gfc_scanner_init_1 (void);
2508 void gfc_add_include_path (const char *, bool, bool, bool);
2509 void gfc_add_intrinsic_modules_path (const char *);
2510 void gfc_release_include_path (void);
2511 FILE *gfc_open_included_file (const char *, bool, bool);
2513 int gfc_at_end (void);
2514 int gfc_at_eof (void);
2515 int gfc_at_bol (void);
2516 int gfc_at_eol (void);
2517 void gfc_advance_line (void);
2518 int gfc_check_include (void);
2519 int gfc_define_undef_line (void);
2521 int gfc_wide_is_printable (gfc_char_t
);
2522 int gfc_wide_is_digit (gfc_char_t
);
2523 int gfc_wide_fits_in_byte (gfc_char_t
);
2524 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2525 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2526 size_t gfc_wide_strlen (const gfc_char_t
*);
2527 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2528 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2529 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2530 gfc_char_t
*gfc_char_to_widechar (const char *);
2532 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2534 void gfc_skip_comments (void);
2535 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2536 gfc_char_t
gfc_next_char (void);
2537 char gfc_next_ascii_char (void);
2538 gfc_char_t
gfc_peek_char (void);
2539 char gfc_peek_ascii_char (void);
2540 void gfc_error_recovery (void);
2541 void gfc_gobble_whitespace (void);
2542 bool gfc_new_file (void);
2543 const char * gfc_read_orig_filename (const char *, const char **);
2545 extern gfc_source_form gfc_current_form
;
2546 extern const char *gfc_source_file
;
2547 extern locus gfc_current_locus
;
2549 void gfc_start_source_files (void);
2550 void gfc_end_source_files (void);
2553 void gfc_clear_ts (gfc_typespec
*);
2554 FILE *gfc_open_file (const char *);
2555 const char *gfc_basic_typename (bt
);
2556 const char *gfc_typename (gfc_typespec
*);
2557 const char *gfc_op2string (gfc_intrinsic_op
);
2558 const char *gfc_code2string (const mstring
*, int);
2559 int gfc_string2code (const mstring
*, const char *);
2560 const char *gfc_intent_string (sym_intent
);
2562 void gfc_init_1 (void);
2563 void gfc_init_2 (void);
2564 void gfc_done_1 (void);
2565 void gfc_done_2 (void);
2567 int get_c_kind (const char *, CInteropKind_t
*);
2570 unsigned int gfc_option_lang_mask (void);
2571 void gfc_init_options_struct (struct gcc_options
*);
2572 void gfc_init_options (unsigned int,
2573 struct cl_decoded_option
*);
2574 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2575 const struct cl_option_handlers
*);
2576 bool gfc_post_options (const char **);
2577 char *gfc_get_option_string (void);
2580 void gfc_maybe_initialize_eh (void);
2583 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2584 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2588 typedef struct gfc_error_buf
2591 size_t allocated
, index
;
2595 void gfc_error_init_1 (void);
2596 void gfc_diagnostics_init (void);
2597 void gfc_diagnostics_finish (void);
2598 void gfc_buffer_error (bool);
2600 const char *gfc_print_wide_char (gfc_char_t
);
2602 void gfc_warning_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2603 bool gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2604 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2605 void gfc_warning_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2606 bool gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2607 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2609 void gfc_clear_warning (void);
2610 void gfc_warning_check (void);
2612 void gfc_error_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2613 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2614 void gfc_error_now_1 (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2615 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2616 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2617 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2618 void gfc_clear_error (void);
2619 bool gfc_error_check (void);
2620 bool gfc_error_flag_test (void);
2622 notification
gfc_notification_std (int);
2623 bool gfc_notify_std_1 (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2624 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2626 /* A general purpose syntax error. */
2627 #define gfc_syntax_error(ST) \
2628 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2630 #include "pretty-print.h" /* For output_buffer. */
2631 void gfc_push_error (output_buffer
*, gfc_error_buf
*);
2632 void gfc_pop_error (output_buffer
*, gfc_error_buf
*);
2633 void gfc_free_error (output_buffer
*, gfc_error_buf
*);
2635 void gfc_get_errors (int *, int *);
2636 void gfc_errors_to_warnings (bool);
2639 void gfc_arith_init_1 (void);
2640 void gfc_arith_done_1 (void);
2641 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2642 bool gfc_check_character_range (gfc_char_t
, int);
2645 bool gfc_check_any_c_kind (gfc_typespec
*);
2646 int gfc_validate_kind (bt
, int, bool);
2647 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2648 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2649 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2650 extern int gfc_index_integer_kind
;
2651 extern int gfc_default_integer_kind
;
2652 extern int gfc_max_integer_kind
;
2653 extern int gfc_default_real_kind
;
2654 extern int gfc_default_double_kind
;
2655 extern int gfc_default_character_kind
;
2656 extern int gfc_default_logical_kind
;
2657 extern int gfc_default_complex_kind
;
2658 extern int gfc_c_int_kind
;
2659 extern int gfc_atomic_int_kind
;
2660 extern int gfc_atomic_logical_kind
;
2661 extern int gfc_intio_kind
;
2662 extern int gfc_charlen_int_kind
;
2663 extern int gfc_numeric_storage_size
;
2664 extern int gfc_character_storage_size
;
2667 void gfc_clear_new_implicit (void);
2668 bool gfc_add_new_implicit_range (int, int);
2669 bool gfc_merge_new_implicit (gfc_typespec
*);
2670 void gfc_set_implicit_none (bool, bool, locus
*);
2671 void gfc_check_function_type (gfc_namespace
*);
2672 bool gfc_is_intrinsic_typename (const char *);
2674 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2675 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2677 void gfc_set_sym_referenced (gfc_symbol
*);
2679 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2680 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2681 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2682 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2683 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2684 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2685 bool gfc_add_external (symbol_attribute
*, locus
*);
2686 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2687 bool gfc_add_optional (symbol_attribute
*, locus
*);
2688 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2689 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2690 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2691 match
gfc_mod_pointee_as (gfc_array_spec
*);
2692 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2693 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2694 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2695 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2696 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2697 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2698 bool gfc_add_target (symbol_attribute
*, locus
*);
2699 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2700 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2701 bool gfc_add_common (symbol_attribute
*, locus
*);
2702 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2703 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2704 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2705 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2706 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2707 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2708 bool gfc_add_pure (symbol_attribute
*, locus
*);
2709 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2710 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2711 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2712 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2713 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2714 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2715 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2717 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2718 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2719 bool gfc_add_extension (symbol_attribute
*, locus
*);
2720 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2721 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2722 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2723 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2724 const char *, locus
*);
2725 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2726 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2727 gfc_formal_arglist
*, locus
*);
2728 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2730 void gfc_clear_attr (symbol_attribute
*);
2731 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2732 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2734 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2735 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2736 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2737 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2739 gfc_st_label
*gfc_get_st_label (int);
2740 void gfc_free_st_label (gfc_st_label
*);
2741 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2742 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2744 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2745 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2746 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2747 void gfc_delete_symtree (gfc_symtree
**, const char *);
2748 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2749 gfc_user_op
*gfc_get_uop (const char *);
2750 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2751 void gfc_free_symbol (gfc_symbol
*);
2752 void gfc_release_symbol (gfc_symbol
*);
2753 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2754 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2755 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2756 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2757 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2758 bool gfc_verify_c_interop (gfc_typespec
*);
2759 bool gfc_verify_c_interop_param (gfc_symbol
*);
2760 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2761 bool verify_bind_c_derived_type (gfc_symbol
*);
2762 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2763 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2764 const char *, gfc_symtree
*, bool);
2765 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2766 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2767 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2769 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2770 void gfc_drop_last_undo_checkpoint (void);
2771 void gfc_restore_last_undo_checkpoint (void);
2772 void gfc_undo_symbols (void);
2773 void gfc_commit_symbols (void);
2774 void gfc_commit_symbol (gfc_symbol
*);
2775 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2776 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2777 void gfc_free_namespace (gfc_namespace
*);
2779 void gfc_symbol_init_2 (void);
2780 void gfc_symbol_done_2 (void);
2782 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2783 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2784 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2785 void gfc_save_all (gfc_namespace
*);
2787 void gfc_enforce_clean_symbol_state (void);
2788 void gfc_free_dt_list (void);
2791 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2792 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2794 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2795 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2796 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2797 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2798 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2800 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2801 gfc_actual_arglist
*);
2803 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2805 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2806 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2808 bool gfc_is_associate_pointer (gfc_symbol
*);
2809 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2810 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2812 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2813 extern bool gfc_init_expr_flag
;
2815 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2817 /* Given a symbol that we have decided is intrinsic, mark it as such
2818 by placing it into a special module that is otherwise impossible to
2821 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2823 void gfc_intrinsic_init_1 (void);
2824 void gfc_intrinsic_done_1 (void);
2826 char gfc_type_letter (bt
);
2827 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2828 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2829 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2830 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2831 int gfc_generic_intrinsic (const char *);
2832 int gfc_specific_intrinsic (const char *);
2833 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2834 int gfc_intrinsic_actual_ok (const char *, const bool);
2835 gfc_intrinsic_sym
*gfc_find_function (const char *);
2836 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2837 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2838 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2839 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2840 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2843 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2844 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2846 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2847 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2850 /* match.c -- FIXME */
2851 void gfc_free_iterator (gfc_iterator
*, int);
2852 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2853 void gfc_free_alloc_list (gfc_alloc
*);
2854 void gfc_free_namelist (gfc_namelist
*);
2855 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2856 void gfc_free_equiv (gfc_equiv
*);
2857 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2858 void gfc_free_data (gfc_data
*);
2859 void gfc_reject_data (gfc_namespace
*);
2860 void gfc_free_case_list (gfc_case
*);
2862 /* matchexp.c -- FIXME too? */
2863 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2866 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2867 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2868 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2869 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2870 void gfc_free_omp_udr (gfc_omp_udr
*);
2871 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2872 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2873 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2874 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2875 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2876 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2877 void gfc_resolve_omp_udrs (gfc_symtree
*);
2878 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2879 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2882 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2883 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2884 const char *gfc_extract_int (gfc_expr
*, int *);
2885 bool is_subref_array (gfc_expr
*);
2886 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2887 bool gfc_check_init_expr (gfc_expr
*);
2889 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2890 void gfc_free_ref_list (gfc_ref
*);
2891 void gfc_type_convert_binary (gfc_expr
*, int);
2892 int gfc_is_constant_expr (gfc_expr
*);
2893 bool gfc_simplify_expr (gfc_expr
*, int);
2894 int gfc_has_vector_index (gfc_expr
*);
2896 gfc_expr
*gfc_get_expr (void);
2897 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2898 gfc_expr
*gfc_get_null_expr (locus
*);
2899 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2900 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2901 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2902 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2903 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2904 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2905 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2907 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2908 void gfc_free_shape (mpz_t
**shape
, int rank
);
2909 void gfc_free_expr (gfc_expr
*);
2910 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2911 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2912 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2913 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2914 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2916 bool gfc_specification_expr (gfc_expr
*);
2918 int gfc_numeric_ts (gfc_typespec
*);
2919 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2921 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2922 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2923 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2924 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2926 bool gfc_has_default_initializer (gfc_symbol
*);
2927 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2928 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2929 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2930 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2932 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2934 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2935 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2937 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2938 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2940 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2941 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2943 bool gfc_ref_this_image (gfc_ref
*ref
);
2944 bool gfc_is_coindexed (gfc_expr
*);
2945 bool gfc_is_coarray (gfc_expr
*);
2946 int gfc_get_corank (gfc_expr
*);
2947 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2948 bool gfc_has_ultimate_pointer (gfc_expr
*);
2950 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
2951 locus
, unsigned, ...);
2952 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
2956 extern gfc_code new_st
;
2958 void gfc_clear_new_st (void);
2959 gfc_code
*gfc_get_code (gfc_exec_op
);
2960 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2961 void gfc_free_statement (gfc_code
*);
2962 void gfc_free_statements (gfc_code
*);
2963 void gfc_free_association_list (gfc_association_list
*);
2966 bool gfc_resolve_expr (gfc_expr
*);
2967 void gfc_resolve (gfc_namespace
*);
2968 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
2969 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2970 int gfc_impure_variable (gfc_symbol
*);
2971 int gfc_pure (gfc_symbol
*);
2972 int gfc_implicit_pure (gfc_symbol
*);
2973 void gfc_unset_implicit_pure (gfc_symbol
*);
2974 int gfc_elemental (gfc_symbol
*);
2975 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
2976 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2977 bool gfc_resolve_index (gfc_expr
*, int);
2978 bool gfc_resolve_dim_arg (gfc_expr
*);
2979 int gfc_is_formal_arg (void);
2980 void gfc_resolve_substring_charlen (gfc_expr
*);
2981 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2982 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2983 bool gfc_type_is_extensible (gfc_symbol
*);
2984 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2985 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
2986 extern int gfc_do_concurrent_flag
;
2990 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2992 void gfc_free_array_spec (gfc_array_spec
*);
2993 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2995 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2996 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2997 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
2999 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3001 void gfc_simplify_iterator_var (gfc_expr
*);
3002 bool gfc_expand_constructor (gfc_expr
*, bool);
3003 int gfc_constant_ac (gfc_expr
*);
3004 int gfc_expanded_ac (gfc_expr
*);
3005 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3006 bool gfc_resolve_array_constructor (gfc_expr
*);
3007 bool gfc_check_constructor_type (gfc_expr
*);
3008 bool gfc_check_iter_variable (gfc_expr
*);
3009 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3010 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3011 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3012 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3013 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3014 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3015 bool spec_size (gfc_array_spec
*, mpz_t
*);
3016 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3017 int gfc_is_compile_time_shape (gfc_array_spec
*);
3019 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3022 /* interface.c -- FIXME: some of these should be in symbol.c */
3023 void gfc_free_interface (gfc_interface
*);
3024 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3025 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3026 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3027 char *, int, const char *, const char *);
3028 void gfc_check_interfaces (gfc_namespace
*);
3029 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3030 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3031 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3032 gfc_actual_arglist
**);
3033 match
gfc_extend_expr (gfc_expr
*);
3034 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3035 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3036 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3037 bool gfc_add_interface (gfc_symbol
*);
3038 gfc_interface
*gfc_current_interface_head (void);
3039 void gfc_set_current_interface_head (gfc_interface
*);
3040 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3041 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3042 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3043 int gfc_has_vector_subscript (gfc_expr
*);
3044 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3045 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3048 extern gfc_st_label format_asterisk
;
3050 void gfc_free_open (gfc_open
*);
3051 bool gfc_resolve_open (gfc_open
*);
3052 void gfc_free_close (gfc_close
*);
3053 bool gfc_resolve_close (gfc_close
*);
3054 void gfc_free_filepos (gfc_filepos
*);
3055 bool gfc_resolve_filepos (gfc_filepos
*);
3056 void gfc_free_inquire (gfc_inquire
*);
3057 bool gfc_resolve_inquire (gfc_inquire
*);
3058 void gfc_free_dt (gfc_dt
*);
3059 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3060 void gfc_free_wait (gfc_wait
*);
3061 bool gfc_resolve_wait (gfc_wait
*);
3064 void gfc_module_init_2 (void);
3065 void gfc_module_done_2 (void);
3066 void gfc_dump_module (const char *, int);
3067 bool gfc_check_symbol_access (gfc_symbol
*);
3068 void gfc_free_use_stmts (gfc_use_list
*);
3071 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3072 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3073 match
gfc_match_rvalue (gfc_expr
**);
3074 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3075 int gfc_check_digit (char, int);
3076 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3077 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3079 gfc_actual_arglist
**, bool);
3082 void gfc_generate_code (gfc_namespace
*);
3083 void gfc_generate_module_code (gfc_namespace
*);
3085 /* trans-intrinsic.c */
3086 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3089 typedef int (*compare_fn
) (void *, void *);
3090 void gfc_insert_bbt (void *, void *, compare_fn
);
3091 void gfc_delete_bbt (void *, void *, compare_fn
);
3093 /* dump-parse-tree.c */
3094 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3097 bool gfc_parse_file (void);
3098 void gfc_global_used (gfc_gsymbol
*, locus
*);
3099 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3102 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3103 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3104 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3107 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3108 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3109 size_t*, size_t*, size_t*);
3112 void gfc_fix_class_refs (gfc_expr
*e
);
3113 void gfc_add_component_ref (gfc_expr
*, const char *);
3114 void gfc_add_class_array_ref (gfc_expr
*);
3115 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3116 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3117 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3118 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3119 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3120 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3121 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3122 bool gfc_is_class_scalar_expr (gfc_expr
*);
3123 bool gfc_is_class_container_ref (gfc_expr
*e
);
3124 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3125 unsigned int gfc_hash_value (gfc_symbol
*);
3126 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3128 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3129 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3130 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3131 const char*, bool, locus
*);
3132 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3133 const char*, bool, locus
*);
3134 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3135 gfc_intrinsic_op
, bool,
3137 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3138 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3140 #define CLASS_DATA(sym) sym->ts.u.derived->components
3141 #define UNLIMITED_POLY(sym) \
3142 (sym != NULL && sym->ts.type == BT_CLASS \
3143 && CLASS_DATA (sym) \
3144 && CLASS_DATA (sym)->ts.u.derived \
3145 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3147 /* frontend-passes.c */
3149 void gfc_run_passes (gfc_namespace
*);
3151 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3152 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3154 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3155 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3156 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3160 void gfc_convert_mpz_to_signed (mpz_t
, int);
3162 #endif /* GCC_GFORTRAN_H */