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
,
375 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
376 GFC_ISYM_COMPILER_OPTIONS
,
377 GFC_ISYM_COMPILER_VERSION
,
387 GFC_ISYM_C_ASSOCIATED
,
388 GFC_ISYM_C_F_POINTER
,
389 GFC_ISYM_C_F_PROCPOINTER
,
393 GFC_ISYM_DATE_AND_TIME
,
397 GFC_ISYM_DOT_PRODUCT
,
406 GFC_ISYM_ERFC_SCALED
,
408 GFC_ISYM_EXECUTE_COMMAND_LINE
,
412 GFC_ISYM_EXTENDS_TYPE_OF
,
429 GFC_ISYM_GET_COMMAND
,
430 GFC_ISYM_GET_COMMAND_ARGUMENT
,
433 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
454 GFC_ISYM_IMAGE_INDEX
,
463 GFC_ISYM_IS_IOSTAT_END
,
464 GFC_ISYM_IS_IOSTAT_EOR
,
499 GFC_ISYM_MAXEXPONENT
,
507 GFC_ISYM_MINEXPONENT
,
532 GFC_ISYM_RANDOM_NUMBER
,
533 GFC_ISYM_RANDOM_SEED
,
542 GFC_ISYM_SAME_TYPE_AS
,
548 GFC_ISYM_SET_EXPONENT
,
568 GFC_ISYM_STORAGE_SIZE
,
574 GFC_ISYM_SYSTEM_CLOCK
,
598 typedef enum gfc_isym_id gfc_isym_id
;
603 GFC_INIT_REAL_OFF
= 0,
608 GFC_INIT_REAL_NEG_INF
614 GFC_INIT_LOGICAL_OFF
= 0,
615 GFC_INIT_LOGICAL_FALSE
,
616 GFC_INIT_LOGICAL_TRUE
622 GFC_INIT_CHARACTER_OFF
= 0,
623 GFC_INIT_CHARACTER_ON
625 init_local_character
;
629 GFC_INIT_INTEGER_OFF
= 0,
636 GFC_FCOARRAY_NONE
= 0,
651 /************************* Structures *****************************/
653 /* Used for keeping things in balanced binary trees. */
654 #define BBT_HEADER(self) int priority; struct self *left, *right
656 #define NAMED_INTCST(a,b,c,d) a,
657 #define NAMED_KINDARRAY(a,b,c,d) a,
658 #define NAMED_FUNCTION(a,b,c,d) a,
659 #define NAMED_SUBROUTINE(a,b,c,d) a,
660 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
663 ISOFORTRANENV_INVALID
= -1,
664 #include "iso-fortran-env.def"
665 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
667 iso_fortran_env_symbol
;
669 #undef NAMED_KINDARRAY
670 #undef NAMED_FUNCTION
671 #undef NAMED_SUBROUTINE
672 #undef NAMED_DERIVED_TYPE
674 #define NAMED_INTCST(a,b,c,d) a,
675 #define NAMED_REALCST(a,b,c,d) a,
676 #define NAMED_CMPXCST(a,b,c,d) a,
677 #define NAMED_LOGCST(a,b,c) a,
678 #define NAMED_CHARKNDCST(a,b,c) a,
679 #define NAMED_CHARCST(a,b,c) a,
680 #define DERIVED_TYPE(a,b,c) a,
681 #define NAMED_FUNCTION(a,b,c,d) a,
682 #define NAMED_SUBROUTINE(a,b,c,d) a,
685 ISOCBINDING_INVALID
= -1,
686 #include "iso-c-binding.def"
688 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
690 iso_c_binding_symbol
;
695 #undef NAMED_CHARKNDCST
698 #undef NAMED_FUNCTION
699 #undef NAMED_SUBROUTINE
703 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
704 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
710 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
711 int value
; /* Used for both integer and character values. */
716 /* Array of structs, where the structs represent the C interop kinds.
717 The list will be implemented based on a hash of the kind name since
718 these could be accessed multiple times.
719 Declared in trans-types.c as a global, since it's in that file
720 that the list is initialized. */
721 extern CInteropKind_t c_interop_kinds_table
[];
724 /* Structure and list of supported extension attributes. */
727 EXT_ATTR_DLLIMPORT
= 0,
732 EXT_ATTR_NO_ARG_CHECK
,
733 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
741 const char *middle_end_name
;
745 extern const ext_attr_t ext_attr_list
[];
747 /* Symbol attribute structure. */
750 /* Variable attributes. */
751 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
752 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
753 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
754 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
755 contiguous
:1, fe_temp
: 1;
757 /* For CLASS containers, the pointer attribute is sometimes set internally
758 even though it was not directly specified. In this case, keep the
759 "real" (original) value here. */
760 unsigned class_pointer
:1;
762 ENUM_BITFIELD (save_state
) save
:2;
764 unsigned data
:1, /* Symbol is named in a DATA statement. */
765 is_protected
:1, /* Symbol has been marked as protected. */
766 use_assoc
:1, /* Symbol has been use-associated. */
767 use_only
:1, /* Symbol has been use-associated, with ONLY. */
768 use_rename
:1, /* Symbol has been use-associated and renamed. */
769 imported
:1, /* Symbol has been associated by IMPORT. */
770 host_assoc
:1; /* Symbol has been host associated. */
772 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
773 unsigned function
:1, subroutine
:1, procedure
:1;
774 unsigned generic
:1, generic_copy
:1;
775 unsigned implicit_type
:1; /* Type defined via implicit rules. */
776 unsigned untyped
:1; /* No implicit type could be found. */
778 unsigned is_bind_c
:1; /* say if is bound to C. */
779 unsigned extension
:8; /* extension level of a derived type. */
780 unsigned is_class
:1; /* is a CLASS container. */
781 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
782 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
783 unsigned vtype
:1; /* is a derived type of a vtab. */
785 /* These flags are both in the typespec and attribute. The attribute
786 list is what gets read from/written to a module file. The typespec
787 is created from a decl being processed. */
788 unsigned is_c_interop
:1; /* It's c interoperable. */
789 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
791 /* Function/subroutine attributes */
792 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
793 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
795 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
796 which is relevant for private module procedures. */
797 unsigned public_used
:1;
799 /* This is set if a contained procedure could be declared pure. This is
800 used for certain optimizations that require the result or arguments
801 cannot alias. Note that this is zero for PURE procedures. */
802 unsigned implicit_pure
:1;
804 /* This is set if the subroutine doesn't return. Currently, this
805 is only possible for intrinsic subroutines. */
808 /* Set if this procedure is an alternate entry point. These procedures
809 don't have any code associated, and the backend will turn them into
810 thunks to the master function. */
813 /* Set if this is the master function for a procedure with multiple
815 unsigned entry_master
:1;
817 /* Set if this is the master function for a function with multiple
818 entry points where characteristics of the entry points differ. */
819 unsigned mixed_entry_master
:1;
821 /* Set if a function must always be referenced by an explicit interface. */
822 unsigned always_explicit
:1;
824 /* Set if the symbol is generated and, hence, standard violations
825 shouldn't be flaged. */
826 unsigned artificial
:1;
828 /* Set if the symbol has been referenced in an expression. No further
829 modification of type or type parameters is permitted. */
830 unsigned referenced
:1;
832 /* Set if this is the symbol for the main program. */
833 unsigned is_main_program
:1;
835 /* Mutually exclusive multibit attributes. */
836 ENUM_BITFIELD (gfc_access
) access
:2;
837 ENUM_BITFIELD (sym_intent
) intent
:2;
838 ENUM_BITFIELD (sym_flavor
) flavor
:4;
839 ENUM_BITFIELD (ifsrc
) if_source
:2;
841 ENUM_BITFIELD (procedure_type
) proc
:3;
843 /* Special attributes for Cray pointers, pointees. */
844 unsigned cray_pointer
:1, cray_pointee
:1;
846 /* The symbol is a derived type with allocatable components, pointer
847 components or private components, procedure pointer components,
848 possibly nested. zero_comp is true if the derived type has no
849 component at all. defined_assign_comp is true if the derived
850 type or a (sub-)component has a typebound defined assignment.
851 unlimited_polymorphic flags the type of the container for these
853 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
854 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
855 defined_assign_comp
:1, unlimited_polymorphic
:1;
857 /* This is a temporary selector for SELECT TYPE or an associate
858 variable for SELECT_TYPE or ASSOCIATE. */
859 unsigned select_type_temporary
:1, associate_var
:1;
861 /* This is omp_{out,in,priv,orig} artificial variable in
862 !$OMP DECLARE REDUCTION. */
863 unsigned omp_udr_artificial_var
:1;
865 /* Mentioned in OMP DECLARE TARGET. */
866 unsigned omp_declare_target
:1;
868 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
869 unsigned ext_attr
:EXT_ATTR_NUM
;
871 /* Is a parameter associated with a deferred type component. */
872 unsigned deferred_parameter
:1;
874 /* The namespace where the attribute has been set. */
875 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
880 /* We need to store source lines as sequences of multibyte source
881 characters. We define here a type wide enough to hold any multibyte
882 source character, just like libcpp does. A 32-bit type is enough. */
884 #if HOST_BITS_PER_INT >= 32
885 typedef unsigned int gfc_char_t
;
886 #elif HOST_BITS_PER_LONG >= 32
887 typedef unsigned long gfc_char_t
;
888 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
889 typedef unsigned long long gfc_char_t
;
891 # error "Cannot find an integer type with at least 32 bits"
895 /* The following three structures are used to identify a location in
898 gfc_file is used to maintain a tree of the source files and how
899 they include each other
901 gfc_linebuf holds a single line of source code and information
902 which file it resides in
904 locus point to the sourceline and the character in the source
908 typedef struct gfc_file
910 struct gfc_file
*next
, *up
;
911 int inclusion_line
, line
;
915 typedef struct gfc_linebuf
917 source_location location
;
918 struct gfc_file
*file
;
919 struct gfc_linebuf
*next
;
927 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
929 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
937 /* In order for the "gfc" format checking to work correctly, you must
938 have declared a typedef locus first. */
939 #if GCC_VERSION >= 4001
940 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
942 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
946 /* Suppress error messages or re-enable them. */
948 void gfc_push_suppress_errors (void);
949 void gfc_pop_suppress_errors (void);
952 /* Character length structures hold the expression that gives the
953 length of a character variable. We avoid putting these into
954 gfc_typespec because doing so prevents us from doing structure
955 copies and forces us to deallocate any typespecs we create, as well
956 as structures that contain typespecs. They also can have multiple
957 character typespecs pointing to them.
959 These structures form a singly linked list within the current
960 namespace and are deallocated with the namespace. It is possible to
961 end up with gfc_charlen structures that have nothing pointing to them. */
963 typedef struct gfc_charlen
965 struct gfc_expr
*length
;
966 struct gfc_charlen
*next
;
967 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
969 tree passed_length
; /* Length argument explicitly passed. */
975 #define gfc_get_charlen() XCNEW (gfc_charlen)
977 /* Type specification structure. */
985 struct gfc_symbol
*derived
; /* For derived types only. */
986 gfc_charlen
*cl
; /* For character types only. */
987 int pad
; /* For hollerith types only. */
991 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
999 /* Array specification. */
1002 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1004 array_type type
, cotype
;
1005 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1007 /* These two fields are used with the Cray Pointer extension. */
1008 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1009 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1010 AS_EXPLICIT, but we want to remember that we
1016 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1019 /* Components of derived types. */
1020 typedef struct gfc_component
1025 symbol_attribute attr
;
1029 /* Used to cache a FIELD_DECL matching this same component
1030 but applied to a different backend containing type that was
1031 generated by gfc_nonrestricted_type. */
1032 tree norestrict_decl
;
1034 struct gfc_expr
*initializer
;
1035 struct gfc_component
*next
;
1037 /* Needed for procedure pointer components. */
1038 struct gfc_typebound_proc
*tb
;
1042 #define gfc_get_component() XCNEW (gfc_component)
1044 /* Formal argument lists are lists of symbols. */
1045 typedef struct gfc_formal_arglist
1047 /* Symbol representing the argument at this position in the arglist. */
1048 struct gfc_symbol
*sym
;
1049 /* Points to the next formal argument. */
1050 struct gfc_formal_arglist
*next
;
1054 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1057 /* The gfc_actual_arglist structure is for actual arguments. */
1058 typedef struct gfc_actual_arglist
1061 /* Alternate return label when the expr member is null. */
1062 struct gfc_st_label
*label
;
1064 /* This is set to the type of an eventual omitted optional
1065 argument. This is used to determine if a hidden string length
1066 argument has to be added to a function call. */
1067 bt missing_arg_type
;
1069 struct gfc_expr
*expr
;
1070 struct gfc_actual_arglist
*next
;
1074 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1077 /* Because a symbol can belong to multiple namelists, they must be
1078 linked externally to the symbol itself. */
1079 typedef struct gfc_namelist
1081 struct gfc_symbol
*sym
;
1082 struct gfc_namelist
*next
;
1086 #define gfc_get_namelist() XCNEW (gfc_namelist)
1090 OMP_REDUCTION_NONE
= -1,
1091 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1092 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1093 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1094 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1095 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1096 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1097 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1098 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1105 gfc_omp_reduction_op
;
1124 /* For use in OpenMP clauses in case we need extra information
1125 (aligned clause alignment, linear clause step, etc.). */
1127 typedef struct gfc_omp_namelist
1129 struct gfc_symbol
*sym
;
1130 struct gfc_expr
*expr
;
1133 gfc_omp_reduction_op reduction_op
;
1134 gfc_omp_depend_op depend_op
;
1135 gfc_omp_map_op map_op
;
1137 struct gfc_omp_namelist_udr
*udr
;
1138 struct gfc_omp_namelist
*next
;
1142 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1147 OMP_LIST_FIRSTPRIVATE
,
1148 OMP_LIST_LASTPRIVATE
,
1149 OMP_LIST_COPYPRIVATE
,
1163 /* Because a symbol can belong to multiple namelists, they must be
1164 linked externally to the symbol itself. */
1166 enum gfc_omp_sched_kind
1176 enum gfc_omp_default_sharing
1178 OMP_DEFAULT_UNKNOWN
,
1180 OMP_DEFAULT_PRIVATE
,
1182 OMP_DEFAULT_FIRSTPRIVATE
1185 enum gfc_omp_proc_bind_kind
1187 OMP_PROC_BIND_UNKNOWN
,
1188 OMP_PROC_BIND_MASTER
,
1189 OMP_PROC_BIND_SPREAD
,
1193 enum gfc_omp_cancel_kind
1196 OMP_CANCEL_PARALLEL
,
1197 OMP_CANCEL_SECTIONS
,
1199 OMP_CANCEL_TASKGROUP
1202 typedef struct gfc_omp_clauses
1204 struct gfc_expr
*if_expr
;
1205 struct gfc_expr
*final_expr
;
1206 struct gfc_expr
*num_threads
;
1207 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1208 enum gfc_omp_sched_kind sched_kind
;
1209 struct gfc_expr
*chunk_size
;
1210 enum gfc_omp_default_sharing default_sharing
;
1212 bool nowait
, ordered
, untied
, mergeable
;
1213 bool inbranch
, notinbranch
;
1214 enum gfc_omp_cancel_kind cancel
;
1215 enum gfc_omp_proc_bind_kind proc_bind
;
1216 struct gfc_expr
*safelen_expr
;
1217 struct gfc_expr
*simdlen_expr
;
1218 struct gfc_expr
*num_teams
;
1219 struct gfc_expr
*device
;
1220 struct gfc_expr
*thread_limit
;
1221 enum gfc_omp_sched_kind dist_sched_kind
;
1222 struct gfc_expr
*dist_chunk_size
;
1226 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1229 /* Node in the linked list used for storing !$omp declare simd constructs. */
1231 typedef struct gfc_omp_declare_simd
1233 struct gfc_omp_declare_simd
*next
;
1234 locus where
; /* Where the !$omp declare simd construct occurred. */
1236 gfc_symbol
*proc_name
;
1238 gfc_omp_clauses
*clauses
;
1240 gfc_omp_declare_simd
;
1241 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1243 typedef struct gfc_omp_udr
1245 struct gfc_omp_udr
*next
;
1246 locus where
; /* Where the !$omp declare reduction construct occurred. */
1250 gfc_omp_reduction_op rop
;
1252 struct gfc_symbol
*omp_out
;
1253 struct gfc_symbol
*omp_in
;
1254 struct gfc_namespace
*combiner_ns
;
1256 struct gfc_symbol
*omp_priv
;
1257 struct gfc_symbol
*omp_orig
;
1258 struct gfc_namespace
*initializer_ns
;
1261 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1263 typedef struct gfc_omp_namelist_udr
1265 struct gfc_omp_udr
*udr
;
1266 struct gfc_code
*combiner
;
1267 struct gfc_code
*initializer
;
1269 gfc_omp_namelist_udr
;
1270 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1272 /* The gfc_st_label structure is a BBT attached to a namespace that
1273 records the usage of statement labels within that space. */
1275 typedef struct gfc_st_label
1277 BBT_HEADER(gfc_st_label
);
1281 gfc_sl_type defined
, referenced
;
1283 struct gfc_expr
*format
;
1292 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1293 typedef struct gfc_interface
1295 struct gfc_symbol
*sym
;
1297 struct gfc_interface
*next
;
1301 #define gfc_get_interface() XCNEW (gfc_interface)
1303 /* User operator nodes. These are like stripped down symbols. */
1309 struct gfc_namespace
*ns
;
1315 /* A list of specific bindings that are associated with a generic spec. */
1316 typedef struct gfc_tbp_generic
1318 /* The parser sets specific_st, upon resolution we look for the corresponding
1319 gfc_typebound_proc and set specific for further use. */
1320 struct gfc_symtree
* specific_st
;
1321 struct gfc_typebound_proc
* specific
;
1323 struct gfc_tbp_generic
* next
;
1328 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1331 /* Data needed for type-bound procedures. */
1332 typedef struct gfc_typebound_proc
1334 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1338 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1339 gfc_tbp_generic
* generic
;
1344 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1346 /* The overridden type-bound proc (or GENERIC with this name in the
1347 parent-type) or NULL if non. */
1348 struct gfc_typebound_proc
* overridden
;
1350 /* Once resolved, we use the position of pass_arg in the formal arglist of
1351 the binding-target procedure to identify it. The first argument has
1352 number 1 here, the second 2, and so on. */
1353 unsigned pass_arg_num
;
1355 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1356 unsigned non_overridable
:1;
1357 unsigned deferred
:1;
1358 unsigned is_generic
:1;
1359 unsigned function
:1, subroutine
:1;
1360 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1366 /* Symbol nodes. These are important things. They are what the
1367 standard refers to as "entities". The possibly multiple names that
1368 refer to the same entity are accomplished by a binary tree of
1369 symtree structures that is balanced by the red-black method-- more
1370 than one symtree node can point to any given symbol. */
1372 typedef struct gfc_symbol
1374 const char *name
; /* Primary name, before renaming */
1375 const char *module
; /* Module this symbol came from */
1379 symbol_attribute attr
;
1381 /* The formal member points to the formal argument list if the
1382 symbol is a function or subroutine name. If the symbol is a
1383 generic name, the generic member points to the list of
1386 gfc_interface
*generic
;
1387 gfc_access component_access
;
1389 gfc_formal_arglist
*formal
;
1390 struct gfc_namespace
*formal_ns
;
1391 struct gfc_namespace
*f2k_derived
;
1393 struct gfc_expr
*value
; /* Parameter/Initializer value */
1395 struct gfc_symbol
*result
; /* function result symbol */
1396 gfc_component
*components
; /* Derived type components */
1398 /* Defined only for Cray pointees; points to their pointer. */
1399 struct gfc_symbol
*cp_pointer
;
1401 int entry_id
; /* Used in resolve.c for entries. */
1403 /* CLASS hashed name for declared and dynamic types in the class. */
1406 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1408 /* This is in fact a gfc_common_head but it is only used for pointer
1409 comparisons to check if symbols are in the same common block. */
1410 struct gfc_common_head
* common_head
;
1412 /* Make sure setup code for dummy arguments is generated in the correct
1416 gfc_namelist
*namelist
, *namelist_tail
;
1418 /* Change management fields. Symbols that might be modified by the
1419 current statement have the mark member nonzero and are kept in a
1420 singly linked list through the tlink field. Of these symbols,
1421 symbols with old_symbol equal to NULL are symbols created within
1422 the current statement. Otherwise, old_symbol points to a copy of
1425 struct gfc_symbol
*old_symbol
, *tlink
;
1426 unsigned mark
:1, gfc_new
:1;
1427 /* Nonzero if all equivalences associated with this symbol have been
1429 unsigned equiv_built
:1;
1430 /* Set if this variable is used as an index name in a FORALL. */
1431 unsigned forall_index
:1;
1432 /* Used to avoid multiple resolutions of a single symbol. */
1433 unsigned resolved
:1;
1436 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1440 /* Identity of the intrinsic module the symbol comes from, or
1441 INTMOD_NONE if it's not imported from a intrinsic module. */
1442 intmod_id from_intmod
;
1443 /* Identity of the symbol from intrinsic modules, from enums maintained
1444 separately by each intrinsic module. Used together with from_intmod,
1445 it uniquely identifies a symbol from an intrinsic module. */
1448 /* This may be repetitive, since the typespec now has a binding
1450 const char* binding_label
;
1451 /* Store a reference to the common_block, if this symbol is in one. */
1452 struct gfc_common_head
*common_block
;
1454 /* Link to corresponding association-list if this is an associate name. */
1455 struct gfc_association_list
*assoc
;
1460 struct gfc_undo_change_set
1462 vec
<gfc_symbol
*> syms
;
1463 vec
<gfc_typebound_proc
*> tbps
;
1464 gfc_undo_change_set
*previous
;
1468 /* This structure is used to keep track of symbols in common blocks. */
1469 typedef struct gfc_common_head
1472 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1473 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1474 struct gfc_symbol
*head
;
1475 const char* binding_label
;
1481 #define gfc_get_common_head() XCNEW (gfc_common_head)
1484 /* A list of all the alternate entry points for a procedure. */
1486 typedef struct gfc_entry_list
1488 /* The symbol for this entry point. */
1490 /* The zero-based id of this entry point. */
1492 /* The LABEL_EXPR marking this entry point. */
1494 /* The next item in the list. */
1495 struct gfc_entry_list
*next
;
1499 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1501 /* Lists of rename info for the USE statement. */
1503 typedef struct gfc_use_rename
1505 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1506 struct gfc_use_rename
*next
;
1508 gfc_intrinsic_op op
;
1513 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1515 /* A list of all USE statements in a namespace. */
1517 typedef struct gfc_use_list
1519 const char *module_name
;
1523 struct gfc_use_rename
*rename
;
1525 /* Next USE statement. */
1526 struct gfc_use_list
*next
;
1530 #define gfc_get_use_list() XCNEW (gfc_use_list)
1532 /* Within a namespace, symbols are pointed to by symtree nodes that
1533 are linked together in a balanced binary tree. There can be
1534 several symtrees pointing to the same symbol node via USE
1537 typedef struct gfc_symtree
1539 BBT_HEADER (gfc_symtree
);
1544 gfc_symbol
*sym
; /* Symbol associated with this node */
1546 gfc_common_head
*common
;
1547 gfc_typebound_proc
*tb
;
1548 gfc_omp_udr
*omp_udr
;
1554 /* A linked list of derived types in the namespace. */
1555 typedef struct gfc_dt_list
1557 struct gfc_symbol
*derived
;
1558 struct gfc_dt_list
*next
;
1562 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1564 /* A list of all derived types. */
1565 extern gfc_dt_list
*gfc_derived_types
;
1567 /* A namespace describes the contents of procedure, module, interface block
1568 or BLOCK construct. */
1569 /* ??? Anything else use these? */
1571 typedef struct gfc_namespace
1573 /* Tree containing all the symbols in this namespace. */
1574 gfc_symtree
*sym_root
;
1575 /* Tree containing all the user-defined operators in the namespace. */
1576 gfc_symtree
*uop_root
;
1577 /* Tree containing all the common blocks. */
1578 gfc_symtree
*common_root
;
1579 /* Tree containing all the OpenMP user defined reductions. */
1580 gfc_symtree
*omp_udr_root
;
1582 /* Tree containing type-bound procedures. */
1583 gfc_symtree
*tb_sym_root
;
1584 /* Type-bound user operators. */
1585 gfc_symtree
*tb_uop_root
;
1586 /* For derived-types, store type-bound intrinsic operators here. */
1587 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1588 /* Linked list of finalizer procedures. */
1589 struct gfc_finalizer
*finalizers
;
1591 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1592 int set_flag
[GFC_LETTERS
];
1593 /* Keeps track of the implicit types associated with the letters. */
1594 gfc_typespec default_type
[GFC_LETTERS
];
1595 /* Store the positions of IMPLICIT statements. */
1596 locus implicit_loc
[GFC_LETTERS
];
1598 /* If this is a namespace of a procedure, this points to the procedure. */
1599 struct gfc_symbol
*proc_name
;
1600 /* If this is the namespace of a unit which contains executable
1601 code, this points to it. */
1602 struct gfc_code
*code
;
1604 /* Points to the equivalences set up in this namespace. */
1605 struct gfc_equiv
*equiv
, *old_equiv
;
1607 /* Points to the equivalence groups produced by trans_common. */
1608 struct gfc_equiv_list
*equiv_lists
;
1610 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1612 /* Points to the parent namespace, i.e. the namespace of a module or
1613 procedure in which the procedure belonging to this namespace is
1614 contained. The parent namespace points to this namespace either
1615 directly via CONTAINED, or indirectly via the chain built by
1617 struct gfc_namespace
*parent
;
1618 /* CONTAINED points to the first contained namespace. Sibling
1619 namespaces are chained via SIBLING. */
1620 struct gfc_namespace
*contained
, *sibling
;
1622 gfc_common_head blank_common
;
1623 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1625 gfc_st_label
*st_labels
;
1626 /* This list holds information about all the data initializers in
1628 struct gfc_data
*data
;
1630 gfc_charlen
*cl_list
, *old_cl_list
;
1632 gfc_dt_list
*derived_types
;
1634 int save_all
, seen_save
, seen_implicit_none
;
1636 /* Normally we don't need to refcount namespaces. However when we read
1637 a module containing a function with multiple entry points, this
1638 will appear as several functions with the same formal namespace. */
1641 /* A list of all alternate entry points to this procedure (or NULL). */
1642 gfc_entry_list
*entries
;
1644 /* A list of USE statements in this namespace. */
1645 gfc_use_list
*use_stmts
;
1647 /* Linked list of !$omp declare simd constructs. */
1648 struct gfc_omp_declare_simd
*omp_declare_simd
;
1650 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1651 unsigned is_block_data
:1;
1653 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1654 unsigned has_import_set
:1;
1656 /* Set to 1 if resolved has been called for this namespace.
1657 Holds -1 during resolution. */
1660 /* Set to 1 if code has been generated for this namespace. */
1661 unsigned translated
:1;
1663 /* Set to 1 if symbols in this namespace should be 'construct entities',
1664 i.e. for BLOCK local variables. */
1665 unsigned construct_entities
:1;
1667 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1668 unsigned omp_udr_ns
:1;
1672 extern gfc_namespace
*gfc_current_ns
;
1673 extern gfc_namespace
*gfc_global_ns_list
;
1675 /* Global symbols are symbols of global scope. Currently we only use
1676 this to detect collisions already when parsing.
1677 TODO: Extend to verify procedure calls. */
1679 enum gfc_symbol_type
1681 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1682 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1685 typedef struct gfc_gsymbol
1687 BBT_HEADER(gfc_gsymbol
);
1690 const char *sym_name
;
1691 const char *mod_name
;
1692 const char *binding_label
;
1693 enum gfc_symbol_type type
;
1701 extern gfc_gsymbol
*gfc_gsym_root
;
1703 /* Information on interfaces being built. */
1706 interface_type type
;
1710 gfc_intrinsic_op op
;
1714 extern gfc_interface_info current_interface
;
1717 /* Array reference. */
1719 enum gfc_array_ref_dimen_type
1721 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1724 typedef struct gfc_array_ref
1727 int dimen
; /* # of components in the reference */
1729 bool in_allocate
; /* For coarray checks. */
1733 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1734 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1735 *stride
[GFC_MAX_DIMENSIONS
];
1737 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1741 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1744 /* Component reference nodes. A variable is stored as an expression
1745 node that points to the base symbol. After that, a singly linked
1746 list of component reference nodes gives the variable's complete
1747 resolution. The array_ref component may be present and comes
1748 before the component component. */
1751 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1754 typedef struct gfc_ref
1760 struct gfc_array_ref ar
;
1764 gfc_component
*component
;
1771 struct gfc_expr
*start
, *end
; /* Substring */
1772 gfc_charlen
*length
;
1779 struct gfc_ref
*next
;
1783 #define gfc_get_ref() XCNEW (gfc_ref)
1786 /* Structures representing intrinsic symbols and their arguments lists. */
1787 typedef struct gfc_intrinsic_arg
1789 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1792 unsigned optional
:1, value
:1;
1793 ENUM_BITFIELD (sym_intent
) intent
:2;
1794 gfc_actual_arglist
*actual
;
1796 struct gfc_intrinsic_arg
*next
;
1802 /* Specifies the various kinds of check functions used to verify the
1803 argument lists of intrinsic functions. fX with X an integer refer
1804 to check functions of intrinsics with X arguments. f1m is used for
1805 the MAX and MIN intrinsics which can have an arbitrary number of
1806 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1807 these have special semantics. */
1812 bool (*f1
)(struct gfc_expr
*);
1813 bool (*f1m
)(gfc_actual_arglist
*);
1814 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1815 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1816 bool (*f3ml
)(gfc_actual_arglist
*);
1817 bool (*f3red
)(gfc_actual_arglist
*);
1818 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1820 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1821 struct gfc_expr
*, struct gfc_expr
*);
1825 /* Like gfc_check_f, these specify the type of the simplification
1826 function associated with an intrinsic. The fX are just like in
1827 gfc_check_f. cc is used for type conversion functions. */
1831 struct gfc_expr
*(*f0
)(void);
1832 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1833 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1834 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1836 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1837 struct gfc_expr
*, struct gfc_expr
*);
1838 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1839 struct gfc_expr
*, struct gfc_expr
*,
1841 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1845 /* Again like gfc_check_f, these specify the type of the resolution
1846 function associated with an intrinsic. The fX are just like in
1847 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1851 void (*f0
)(struct gfc_expr
*);
1852 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1853 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1854 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1855 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1857 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1858 struct gfc_expr
*, struct gfc_expr
*);
1859 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1860 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1861 void (*s1
)(struct gfc_code
*);
1866 typedef struct gfc_intrinsic_sym
1868 const char *name
, *lib_name
;
1869 gfc_intrinsic_arg
*formal
;
1871 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1872 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1877 gfc_simplify_f simplify
;
1879 gfc_resolve_f resolve
;
1880 struct gfc_intrinsic_sym
*specific_head
, *next
;
1887 /* Expression nodes. The expression node types deserve explanations,
1888 since the last couple can be easily misconstrued:
1890 EXPR_OP Operator node pointing to one or two other nodes
1891 EXPR_FUNCTION Function call, symbol points to function's name
1892 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1893 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1894 which expresses structure, array and substring refs.
1895 EXPR_NULL The NULL pointer value (which also has a basic type).
1896 EXPR_SUBSTRING A substring of a constant string
1897 EXPR_STRUCTURE A structure constructor
1898 EXPR_ARRAY An array constructor.
1899 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1900 component or type-bound procedure. */
1904 #define GFC_RND_MODE GMP_RNDN
1905 #define GFC_MPC_RND_MODE MPC_RNDNN
1907 typedef splay_tree gfc_constructor_base
;
1909 typedef struct gfc_expr
1913 gfc_typespec ts
; /* These two refer to the overall expression */
1915 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1916 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1918 /* Nonnull for functions and structure constructors, may also used to hold the
1919 base-object for component calls. */
1920 gfc_symtree
*symtree
;
1926 /* Used to store the base expression in component calls, when the expression
1927 is not a variable. */
1928 struct gfc_expr
*base_expr
;
1930 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1931 denotes a signalling not-a-number. */
1932 unsigned int is_boz
: 1, is_snan
: 1;
1934 /* Sometimes, when an error has been emitted, it is necessary to prevent
1935 it from recurring. */
1936 unsigned int error
: 1;
1938 /* Mark an expression where a user operator has been substituted by
1939 a function call in interface.c(gfc_extend_expr). */
1940 unsigned int user_operator
: 1;
1942 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1943 unsigned int mold
: 1;
1945 /* If an expression comes from a Hollerith constant or compile-time
1946 evaluation of a transfer statement, it may have a prescribed target-
1947 memory representation, and these cannot always be backformed from
1970 gfc_intrinsic_op op
;
1972 struct gfc_expr
*op1
, *op2
;
1978 gfc_actual_arglist
*actual
;
1979 const char *name
; /* Points to the ultimate name of the function */
1980 gfc_intrinsic_sym
*isym
;
1987 gfc_actual_arglist
* actual
;
1989 /* Base-object, whose component was called. NULL means that it should
1990 be taken from symtree/ref. */
1991 struct gfc_expr
* base_object
;
1992 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1994 /* For type-bound operators, we want to call PASS procedures but already
1995 have the full arglist; mark this, so that it is not extended by the
1997 unsigned ignore_pass
:1;
1999 /* Do assign-calls rather than calls, that is appropriate dependency
2012 gfc_constructor_base constructor
;
2020 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2022 /* Structures for information associated with different kinds of
2023 numbers. The first set of integer parameters define all there is
2024 to know about a particular kind. The rest of the elements are
2025 computed from the first elements. */
2029 /* Values really representable by the target. */
2030 mpz_t huge
, pedantic_min_int
, min_int
;
2032 int kind
, radix
, digits
, bit_size
, range
;
2034 /* True if the C type of the given name maps to this precision.
2035 Note that more than one bit can be set. */
2036 unsigned int c_char
: 1;
2037 unsigned int c_short
: 1;
2038 unsigned int c_int
: 1;
2039 unsigned int c_long
: 1;
2040 unsigned int c_long_long
: 1;
2044 extern gfc_integer_info gfc_integer_kinds
[];
2051 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2052 unsigned int c_bool
: 1;
2056 extern gfc_logical_info gfc_logical_kinds
[];
2061 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2062 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2063 int range
, precision
;
2065 /* The precision of the type as reported by GET_MODE_PRECISION. */
2068 /* True if the C type of the given name maps to this precision.
2069 Note that more than one bit can be set. */
2070 unsigned int c_float
: 1;
2071 unsigned int c_double
: 1;
2072 unsigned int c_long_double
: 1;
2073 unsigned int c_float128
: 1;
2077 extern gfc_real_info gfc_real_kinds
[];
2086 extern gfc_character_info gfc_character_kinds
[];
2089 /* Equivalence structures. Equivalent lvalues are linked along the
2090 *eq pointer, equivalence sets are strung along the *next node. */
2091 typedef struct gfc_equiv
2093 struct gfc_equiv
*next
, *eq
;
2100 #define gfc_get_equiv() XCNEW (gfc_equiv)
2102 /* Holds a single equivalence member after processing. */
2103 typedef struct gfc_equiv_info
2106 HOST_WIDE_INT offset
;
2107 HOST_WIDE_INT length
;
2108 struct gfc_equiv_info
*next
;
2111 /* Holds equivalence groups, after they have been processed. */
2112 typedef struct gfc_equiv_list
2114 gfc_equiv_info
*equiv
;
2115 struct gfc_equiv_list
*next
;
2118 /* gfc_case stores the selector list of a case statement. The *low
2119 and *high pointers can point to the same expression in the case of
2120 a single value. If *high is NULL, the selection is from *low
2121 upwards, if *low is NULL the selection is *high downwards.
2123 This structure has separate fields to allow single and double linked
2124 lists of CASEs at the same time. The singe linked list along the NEXT
2125 field is a list of cases for a single CASE label. The double linked
2126 list along the LEFT/RIGHT fields is used to detect overlap and to
2127 build a table of the cases for SELECT constructs with a CHARACTER
2130 typedef struct gfc_case
2132 /* Where we saw this case. */
2136 /* Case range values. If (low == high), it's a single value. If one of
2137 the labels is NULL, it's an unbounded case. If both are NULL, this
2138 represents the default case. */
2139 gfc_expr
*low
, *high
;
2141 /* Only used for SELECT TYPE. */
2144 /* Next case label in the list of cases for a single CASE label. */
2145 struct gfc_case
*next
;
2147 /* Used for detecting overlap, and for code generation. */
2148 struct gfc_case
*left
, *right
;
2150 /* True if this case label can never be matched. */
2155 #define gfc_get_case() XCNEW (gfc_case)
2160 gfc_expr
*var
, *start
, *end
, *step
;
2164 #define gfc_get_iterator() XCNEW (gfc_iterator)
2167 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2169 typedef struct gfc_alloc
2172 struct gfc_alloc
*next
;
2176 #define gfc_get_alloc() XCNEW (gfc_alloc)
2181 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2182 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2183 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2191 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2199 gfc_expr
*unit
, *iostat
, *iomsg
;
2207 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2208 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2209 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2210 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2211 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2222 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2223 gfc_st_label
*err
, *end
, *eor
;
2230 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2231 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2232 *sign
, *extra_comma
, *dt_io_kind
;
2234 gfc_symbol
*namelist
;
2235 /* A format_label of `format_asterisk' indicates the "*" format */
2236 gfc_st_label
*format_label
;
2237 gfc_st_label
*err
, *end
, *eor
;
2239 locus eor_where
, end_where
, err_where
;
2244 typedef struct gfc_forall_iterator
2246 gfc_expr
*var
, *start
, *end
, *stride
;
2247 struct gfc_forall_iterator
*next
;
2249 gfc_forall_iterator
;
2252 /* Linked list to store associations in an ASSOCIATE statement. */
2254 typedef struct gfc_association_list
2256 struct gfc_association_list
*next
;
2258 /* Whether this is association to a variable that can be changed; otherwise,
2259 it's association to an expression and the name may not be used as
2261 unsigned variable
:1;
2263 /* True if this struct is currently only linked to from a gfc_symbol rather
2264 than as part of a real list in gfc_code->ext.block.assoc. This may
2265 happen for SELECT TYPE temporaries and must be considered
2266 for memory handling. */
2267 unsigned dangling
:1;
2269 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2270 gfc_symtree
*st
; /* Symtree corresponding to name. */
2275 gfc_association_list
;
2276 #define gfc_get_association_list() XCNEW (gfc_association_list)
2279 /* Executable statements that fill gfc_code structures. */
2282 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2283 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2284 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2285 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2286 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2287 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2288 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2289 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2290 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2291 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2292 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2293 EXEC_LOCK
, EXEC_UNLOCK
,
2294 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2295 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2296 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2297 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2298 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2299 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2300 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2301 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2302 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2303 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2304 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2305 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2306 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2307 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2308 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2309 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2310 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2311 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2312 EXEC_OMP_TARGET_UPDATE
2318 GFC_OMP_ATOMIC_UPDATE
= 0,
2319 GFC_OMP_ATOMIC_READ
= 1,
2320 GFC_OMP_ATOMIC_WRITE
= 2,
2321 GFC_OMP_ATOMIC_CAPTURE
= 3,
2322 GFC_OMP_ATOMIC_MASK
= 3,
2323 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2324 GFC_OMP_ATOMIC_SWAP
= 8
2328 typedef struct gfc_code
2332 struct gfc_code
*block
, *next
;
2335 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2336 gfc_symtree
*symtree
;
2337 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2338 /* A name isn't sufficient to identify a subroutine, we need the actual
2339 symbol for the interface definition.
2340 const char *sub_name; */
2341 gfc_symbol
*resolved_sym
;
2342 gfc_intrinsic_sym
*resolved_isym
;
2346 gfc_actual_arglist
*actual
;
2347 gfc_iterator
*iterator
;
2359 gfc_association_list
*assoc
;
2360 gfc_case
*case_list
;
2366 gfc_filepos
*filepos
;
2367 gfc_inquire
*inquire
;
2370 gfc_forall_iterator
*forall_iterator
;
2371 struct gfc_code
*which_construct
;
2373 gfc_entry_list
*entry
;
2374 gfc_omp_clauses
*omp_clauses
;
2375 const char *omp_name
;
2376 gfc_omp_namelist
*omp_namelist
;
2378 gfc_omp_atomic_op omp_atomic
;
2380 ext
; /* Points to additional structures required by statement */
2382 /* Cycle and break labels in constructs. */
2389 /* Storage for DATA statements. */
2390 typedef struct gfc_data_variable
2394 struct gfc_data_variable
*list
, *next
;
2399 typedef struct gfc_data_value
2403 struct gfc_data_value
*next
;
2408 typedef struct gfc_data
2410 gfc_data_variable
*var
;
2411 gfc_data_value
*value
;
2414 struct gfc_data
*next
;
2419 /* Structure for holding compile options */
2423 gfc_source_form source_form
;
2424 /* Maximum line lengths in fixed- and free-form source, respectively.
2425 When fixed_line_length or free_line_length are 0, the whole line is used,
2426 regardless of length.
2428 If the user requests a fixed_line_length <7 then gfc_init_options()
2429 emits a fatal error. */
2430 int fixed_line_length
;
2431 int free_line_length
;
2432 /* Maximum number of continuation lines in fixed- and free-form source,
2434 int max_continue_fixed
;
2435 int max_continue_free
;
2436 int max_identifier_length
;
2437 int dump_fortran_original
;
2438 int dump_fortran_optimized
;
2442 int gfc_warn_conversion
;
2443 int warn_c_binding_type
;
2444 int warn_conversion_extra
;
2445 int warn_function_elimination
;
2446 int warn_implicit_interface
;
2447 int warn_implicit_procedure
;
2448 int warn_line_truncation
;
2449 int warn_surprising
;
2452 int warn_intrinsic_shadow
;
2453 int warn_intrinsics_std
;
2454 int warn_character_truncation
;
2455 int warn_array_temp
;
2456 int warn_align_commons
;
2457 int warn_real_q_constant
;
2458 int warn_unused_dummy_argument
;
2460 int warn_realloc_lhs
;
2461 int warn_realloc_lhs_all
;
2462 int warn_compare_reals
;
2463 int warn_target_lifetime
;
2466 int flag_all_intrinsics
;
2467 int flag_default_double
;
2468 int flag_default_integer
;
2469 int flag_default_real
;
2470 int flag_integer4_kind
;
2471 int flag_real4_kind
;
2472 int flag_real8_kind
;
2474 int flag_underscoring
;
2475 int flag_second_underscore
;
2476 int flag_implicit_none
;
2477 int flag_max_stack_var_size
;
2478 int flag_max_array_constructor
;
2479 int flag_range_check
;
2480 int flag_pack_derived
;
2481 int flag_repack_arrays
;
2482 int flag_preprocessed
;
2487 int flag_allow_leading_underscore
;
2488 int flag_external_blas
;
2489 int blas_matmul_limit
;
2490 int flag_cray_pointer
;
2492 int gfc_flag_openmp
;
2493 int gfc_flag_openmp_simd
;
2495 int flag_stack_arrays
;
2496 int flag_module_private
;
2498 int flag_init_local_zero
;
2499 int flag_init_integer
;
2500 int flag_init_integer_value
;
2502 int flag_init_logical
;
2503 int flag_init_character
;
2504 char flag_init_character_value
;
2505 int flag_align_commons
;
2506 int flag_protect_parens
;
2507 int flag_realloc_lhs
;
2508 int flag_aggressive_function_elimination
;
2509 int flag_frontend_optimize
;
2514 gfc_fcoarray coarray
;
2520 int max_subrecord_length
;
2524 extern gfc_option_t gfc_option
;
2526 /* Constructor nodes for array and structure constructors. */
2527 typedef struct gfc_constructor
2529 gfc_constructor_base base
;
2530 mpz_t offset
; /* Offset within a constructor, used as
2534 gfc_iterator
*iterator
;
2539 gfc_component
*component
; /* Record the component being initialized. */
2542 mpz_t repeat
; /* Record the repeat number of initial values in data
2543 statement like "data a/5*10/". */
2548 typedef struct iterator_stack
2550 gfc_symtree
*variable
;
2552 struct iterator_stack
*prev
;
2555 extern iterator_stack
*iter_stack
;
2558 /* Used for (possibly nested) SELECT TYPE statements. */
2559 typedef struct gfc_select_type_stack
2561 gfc_symbol
*selector
; /* Current selector variable. */
2562 gfc_symtree
*tmp
; /* Current temporary variable. */
2563 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2565 gfc_select_type_stack
;
2566 extern gfc_select_type_stack
*select_type_stack
;
2567 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2570 /* Node in the linked list used for storing finalizer procedures. */
2572 typedef struct gfc_finalizer
2574 struct gfc_finalizer
* next
;
2575 locus where
; /* Where the FINAL declaration occurred. */
2577 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2578 symtree and later need only that. This way, we can access and call the
2579 finalizers from every context as they should be "always accessible". I
2580 don't make this a union because we need the information whether proc_sym is
2581 still referenced or not for dereferencing it on deleting a gfc_finalizer
2583 gfc_symbol
* proc_sym
;
2584 gfc_symtree
* proc_tree
;
2587 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2590 /************************ Function prototypes *************************/
2593 bool gfc_in_match_data (void);
2594 match
gfc_match_char_spec (gfc_typespec
*);
2597 void gfc_scanner_done_1 (void);
2598 void gfc_scanner_init_1 (void);
2600 void gfc_add_include_path (const char *, bool, bool, bool);
2601 void gfc_add_intrinsic_modules_path (const char *);
2602 void gfc_release_include_path (void);
2603 FILE *gfc_open_included_file (const char *, bool, bool);
2605 int gfc_at_end (void);
2606 int gfc_at_eof (void);
2607 int gfc_at_bol (void);
2608 int gfc_at_eol (void);
2609 void gfc_advance_line (void);
2610 int gfc_check_include (void);
2611 int gfc_define_undef_line (void);
2613 int gfc_wide_is_printable (gfc_char_t
);
2614 int gfc_wide_is_digit (gfc_char_t
);
2615 int gfc_wide_fits_in_byte (gfc_char_t
);
2616 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2617 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2618 size_t gfc_wide_strlen (const gfc_char_t
*);
2619 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2620 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2621 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2622 gfc_char_t
*gfc_char_to_widechar (const char *);
2624 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2626 void gfc_skip_comments (void);
2627 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2628 gfc_char_t
gfc_next_char (void);
2629 char gfc_next_ascii_char (void);
2630 gfc_char_t
gfc_peek_char (void);
2631 char gfc_peek_ascii_char (void);
2632 void gfc_error_recovery (void);
2633 void gfc_gobble_whitespace (void);
2634 bool gfc_new_file (void);
2635 const char * gfc_read_orig_filename (const char *, const char **);
2637 extern gfc_source_form gfc_current_form
;
2638 extern const char *gfc_source_file
;
2639 extern locus gfc_current_locus
;
2641 void gfc_start_source_files (void);
2642 void gfc_end_source_files (void);
2645 void gfc_clear_ts (gfc_typespec
*);
2646 FILE *gfc_open_file (const char *);
2647 const char *gfc_basic_typename (bt
);
2648 const char *gfc_typename (gfc_typespec
*);
2649 const char *gfc_op2string (gfc_intrinsic_op
);
2650 const char *gfc_code2string (const mstring
*, int);
2651 int gfc_string2code (const mstring
*, const char *);
2652 const char *gfc_intent_string (sym_intent
);
2654 void gfc_init_1 (void);
2655 void gfc_init_2 (void);
2656 void gfc_done_1 (void);
2657 void gfc_done_2 (void);
2659 int get_c_kind (const char *, CInteropKind_t
*);
2662 unsigned int gfc_option_lang_mask (void);
2663 void gfc_init_options_struct (struct gcc_options
*);
2664 void gfc_init_options (unsigned int,
2665 struct cl_decoded_option
*);
2666 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2667 const struct cl_option_handlers
*);
2668 bool gfc_post_options (const char **);
2669 char *gfc_get_option_string (void);
2672 void gfc_maybe_initialize_eh (void);
2675 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2676 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2680 typedef struct gfc_error_buf
2683 size_t allocated
, index
;
2687 void gfc_error_init_1 (void);
2688 void gfc_diagnostics_init(void);
2689 void gfc_buffer_error (int);
2691 const char *gfc_print_wide_char (gfc_char_t
);
2693 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2694 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2695 void gfc_warning_cmdline (const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(1,2);
2697 void gfc_clear_warning (void);
2698 void gfc_warning_check (void);
2700 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2701 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2702 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2703 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2704 void gfc_clear_error (void);
2705 int gfc_error_check (void);
2706 int gfc_error_flag_test (void);
2708 notification
gfc_notification_std (int);
2709 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2711 /* A general purpose syntax error. */
2712 #define gfc_syntax_error(ST) \
2713 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2715 void gfc_push_error (gfc_error_buf
*);
2716 void gfc_pop_error (gfc_error_buf
*);
2717 void gfc_free_error (gfc_error_buf
*);
2719 void gfc_get_errors (int *, int *);
2720 void gfc_errors_to_warnings (int);
2723 void gfc_arith_init_1 (void);
2724 void gfc_arith_done_1 (void);
2725 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2726 bool gfc_check_character_range (gfc_char_t
, int);
2729 bool gfc_check_any_c_kind (gfc_typespec
*);
2730 int gfc_validate_kind (bt
, int, bool);
2731 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2732 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2733 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2734 extern int gfc_index_integer_kind
;
2735 extern int gfc_default_integer_kind
;
2736 extern int gfc_max_integer_kind
;
2737 extern int gfc_default_real_kind
;
2738 extern int gfc_default_double_kind
;
2739 extern int gfc_default_character_kind
;
2740 extern int gfc_default_logical_kind
;
2741 extern int gfc_default_complex_kind
;
2742 extern int gfc_c_int_kind
;
2743 extern int gfc_atomic_int_kind
;
2744 extern int gfc_atomic_logical_kind
;
2745 extern int gfc_intio_kind
;
2746 extern int gfc_charlen_int_kind
;
2747 extern int gfc_numeric_storage_size
;
2748 extern int gfc_character_storage_size
;
2751 void gfc_clear_new_implicit (void);
2752 bool gfc_add_new_implicit_range (int, int);
2753 bool gfc_merge_new_implicit (gfc_typespec
*);
2754 void gfc_set_implicit_none (void);
2755 void gfc_check_function_type (gfc_namespace
*);
2756 bool gfc_is_intrinsic_typename (const char *);
2758 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2759 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2761 void gfc_set_sym_referenced (gfc_symbol
*);
2763 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2764 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2765 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2766 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2767 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2768 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2769 bool gfc_add_external (symbol_attribute
*, locus
*);
2770 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2771 bool gfc_add_optional (symbol_attribute
*, locus
*);
2772 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2773 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2774 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2775 match
gfc_mod_pointee_as (gfc_array_spec
*);
2776 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2777 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2778 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2779 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2780 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2781 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2782 bool gfc_add_target (symbol_attribute
*, locus
*);
2783 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2784 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2785 bool gfc_add_common (symbol_attribute
*, locus
*);
2786 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2787 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2788 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2789 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2790 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2791 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2792 bool gfc_add_pure (symbol_attribute
*, locus
*);
2793 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2794 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2795 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2796 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2797 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2798 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2799 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2801 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2802 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2803 bool gfc_add_extension (symbol_attribute
*, locus
*);
2804 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2805 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2806 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2807 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2808 const char *, locus
*);
2809 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2810 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2811 gfc_formal_arglist
*, locus
*);
2812 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2814 void gfc_clear_attr (symbol_attribute
*);
2815 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2816 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2818 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2819 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2820 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2821 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2823 gfc_st_label
*gfc_get_st_label (int);
2824 void gfc_free_st_label (gfc_st_label
*);
2825 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2826 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2828 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2829 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2830 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2831 void gfc_delete_symtree (gfc_symtree
**, const char *);
2832 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2833 gfc_user_op
*gfc_get_uop (const char *);
2834 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2835 void gfc_free_symbol (gfc_symbol
*);
2836 void gfc_release_symbol (gfc_symbol
*);
2837 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2838 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2839 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2840 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2841 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2842 bool gfc_verify_c_interop (gfc_typespec
*);
2843 bool gfc_verify_c_interop_param (gfc_symbol
*);
2844 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2845 bool verify_bind_c_derived_type (gfc_symbol
*);
2846 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2847 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2848 const char *, gfc_symtree
*, bool);
2849 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2850 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2851 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2853 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2854 void gfc_drop_last_undo_checkpoint (void);
2855 void gfc_restore_last_undo_checkpoint (void);
2856 void gfc_undo_symbols (void);
2857 void gfc_commit_symbols (void);
2858 void gfc_commit_symbol (gfc_symbol
*);
2859 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2860 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2861 void gfc_free_namespace (gfc_namespace
*);
2863 void gfc_symbol_init_2 (void);
2864 void gfc_symbol_done_2 (void);
2866 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2867 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2868 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2869 void gfc_save_all (gfc_namespace
*);
2871 void gfc_enforce_clean_symbol_state (void);
2872 void gfc_free_dt_list (void);
2875 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2876 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2878 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2879 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2880 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2881 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2882 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2884 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2885 gfc_actual_arglist
*);
2887 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2889 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2890 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2892 bool gfc_is_associate_pointer (gfc_symbol
*);
2893 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2894 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2896 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2897 extern bool gfc_init_expr_flag
;
2899 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2901 /* Given a symbol that we have decided is intrinsic, mark it as such
2902 by placing it into a special module that is otherwise impossible to
2905 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2907 void gfc_intrinsic_init_1 (void);
2908 void gfc_intrinsic_done_1 (void);
2910 char gfc_type_letter (bt
);
2911 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2912 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2913 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2914 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2915 int gfc_generic_intrinsic (const char *);
2916 int gfc_specific_intrinsic (const char *);
2917 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2918 int gfc_intrinsic_actual_ok (const char *, const bool);
2919 gfc_intrinsic_sym
*gfc_find_function (const char *);
2920 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2921 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2922 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2923 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2924 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2927 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2928 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2930 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2931 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2934 /* match.c -- FIXME */
2935 void gfc_free_iterator (gfc_iterator
*, int);
2936 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2937 void gfc_free_alloc_list (gfc_alloc
*);
2938 void gfc_free_namelist (gfc_namelist
*);
2939 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2940 void gfc_free_equiv (gfc_equiv
*);
2941 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2942 void gfc_free_data (gfc_data
*);
2943 void gfc_free_case_list (gfc_case
*);
2945 /* matchexp.c -- FIXME too? */
2946 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2949 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2950 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2951 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2952 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2953 void gfc_free_omp_udr (gfc_omp_udr
*);
2954 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2955 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2956 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2957 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2958 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2959 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2960 void gfc_resolve_omp_udrs (gfc_symtree
*);
2961 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2962 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2965 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2966 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2967 const char *gfc_extract_int (gfc_expr
*, int *);
2968 bool is_subref_array (gfc_expr
*);
2969 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2970 bool gfc_check_init_expr (gfc_expr
*);
2972 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2973 void gfc_free_ref_list (gfc_ref
*);
2974 void gfc_type_convert_binary (gfc_expr
*, int);
2975 int gfc_is_constant_expr (gfc_expr
*);
2976 bool gfc_simplify_expr (gfc_expr
*, int);
2977 int gfc_has_vector_index (gfc_expr
*);
2979 gfc_expr
*gfc_get_expr (void);
2980 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2981 gfc_expr
*gfc_get_null_expr (locus
*);
2982 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2983 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2984 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2985 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2986 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2987 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2988 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2990 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2991 void gfc_free_shape (mpz_t
**shape
, int rank
);
2992 void gfc_free_expr (gfc_expr
*);
2993 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2994 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2995 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2996 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2997 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2999 bool gfc_specification_expr (gfc_expr
*);
3001 int gfc_numeric_ts (gfc_typespec
*);
3002 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3004 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3005 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
3006 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
3007 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3009 bool gfc_has_default_initializer (gfc_symbol
*);
3010 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3011 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3012 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3013 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3015 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3017 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3018 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3020 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3021 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3023 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3024 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3026 bool gfc_ref_this_image (gfc_ref
*ref
);
3027 bool gfc_is_coindexed (gfc_expr
*);
3028 bool gfc_is_coarray (gfc_expr
*);
3029 int gfc_get_corank (gfc_expr
*);
3030 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3031 bool gfc_has_ultimate_pointer (gfc_expr
*);
3033 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3034 locus
, unsigned, ...);
3035 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3039 extern gfc_code new_st
;
3041 void gfc_clear_new_st (void);
3042 gfc_code
*gfc_get_code (gfc_exec_op
);
3043 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3044 void gfc_free_statement (gfc_code
*);
3045 void gfc_free_statements (gfc_code
*);
3046 void gfc_free_association_list (gfc_association_list
*);
3049 bool gfc_resolve_expr (gfc_expr
*);
3050 void gfc_resolve (gfc_namespace
*);
3051 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3052 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3053 int gfc_impure_variable (gfc_symbol
*);
3054 int gfc_pure (gfc_symbol
*);
3055 int gfc_implicit_pure (gfc_symbol
*);
3056 void gfc_unset_implicit_pure (gfc_symbol
*);
3057 int gfc_elemental (gfc_symbol
*);
3058 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3059 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3060 bool gfc_resolve_index (gfc_expr
*, int);
3061 bool gfc_resolve_dim_arg (gfc_expr
*);
3062 int gfc_is_formal_arg (void);
3063 void gfc_resolve_substring_charlen (gfc_expr
*);
3064 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3065 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3066 bool gfc_type_is_extensible (gfc_symbol
*);
3067 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3068 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3069 extern int gfc_do_concurrent_flag
;
3073 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3075 void gfc_free_array_spec (gfc_array_spec
*);
3076 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3078 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3079 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3080 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3082 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3084 void gfc_simplify_iterator_var (gfc_expr
*);
3085 bool gfc_expand_constructor (gfc_expr
*, bool);
3086 int gfc_constant_ac (gfc_expr
*);
3087 int gfc_expanded_ac (gfc_expr
*);
3088 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3089 bool gfc_resolve_array_constructor (gfc_expr
*);
3090 bool gfc_check_constructor_type (gfc_expr
*);
3091 bool gfc_check_iter_variable (gfc_expr
*);
3092 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3093 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3094 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3095 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3096 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3097 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3098 bool spec_size (gfc_array_spec
*, mpz_t
*);
3099 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3100 int gfc_is_compile_time_shape (gfc_array_spec
*);
3102 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3105 /* interface.c -- FIXME: some of these should be in symbol.c */
3106 void gfc_free_interface (gfc_interface
*);
3107 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3108 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3109 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3110 char *, int, const char *, const char *);
3111 void gfc_check_interfaces (gfc_namespace
*);
3112 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3113 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3114 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3115 gfc_actual_arglist
**);
3116 match
gfc_extend_expr (gfc_expr
*);
3117 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3118 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3119 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3120 bool gfc_add_interface (gfc_symbol
*);
3121 gfc_interface
*gfc_current_interface_head (void);
3122 void gfc_set_current_interface_head (gfc_interface
*);
3123 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3124 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3125 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3126 int gfc_has_vector_subscript (gfc_expr
*);
3127 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3128 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3131 extern gfc_st_label format_asterisk
;
3133 void gfc_free_open (gfc_open
*);
3134 bool gfc_resolve_open (gfc_open
*);
3135 void gfc_free_close (gfc_close
*);
3136 bool gfc_resolve_close (gfc_close
*);
3137 void gfc_free_filepos (gfc_filepos
*);
3138 bool gfc_resolve_filepos (gfc_filepos
*);
3139 void gfc_free_inquire (gfc_inquire
*);
3140 bool gfc_resolve_inquire (gfc_inquire
*);
3141 void gfc_free_dt (gfc_dt
*);
3142 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3143 void gfc_free_wait (gfc_wait
*);
3144 bool gfc_resolve_wait (gfc_wait
*);
3147 void gfc_module_init_2 (void);
3148 void gfc_module_done_2 (void);
3149 void gfc_dump_module (const char *, int);
3150 bool gfc_check_symbol_access (gfc_symbol
*);
3151 void gfc_free_use_stmts (gfc_use_list
*);
3154 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3155 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3156 match
gfc_match_rvalue (gfc_expr
**);
3157 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3158 int gfc_check_digit (char, int);
3159 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3160 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3162 gfc_actual_arglist
**, bool);
3165 void gfc_generate_code (gfc_namespace
*);
3166 void gfc_generate_module_code (gfc_namespace
*);
3168 /* trans-intrinsic.c */
3169 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3172 typedef int (*compare_fn
) (void *, void *);
3173 void gfc_insert_bbt (void *, void *, compare_fn
);
3174 void gfc_delete_bbt (void *, void *, compare_fn
);
3176 /* dump-parse-tree.c */
3177 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3180 bool gfc_parse_file (void);
3181 void gfc_global_used (gfc_gsymbol
*, locus
*);
3182 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3185 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3186 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3187 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3190 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3191 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3192 size_t*, size_t*, size_t*);
3195 void gfc_fix_class_refs (gfc_expr
*e
);
3196 void gfc_add_component_ref (gfc_expr
*, const char *);
3197 void gfc_add_class_array_ref (gfc_expr
*);
3198 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3199 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3200 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3201 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3202 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3203 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3204 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3205 bool gfc_is_class_scalar_expr (gfc_expr
*);
3206 bool gfc_is_class_container_ref (gfc_expr
*e
);
3207 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3208 unsigned int gfc_hash_value (gfc_symbol
*);
3209 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3211 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3212 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3213 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3214 const char*, bool, locus
*);
3215 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3216 const char*, bool, locus
*);
3217 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3218 gfc_intrinsic_op
, bool,
3220 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3221 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3223 #define CLASS_DATA(sym) sym->ts.u.derived->components
3224 #define UNLIMITED_POLY(sym) \
3225 (sym != NULL && sym->ts.type == BT_CLASS \
3226 && CLASS_DATA (sym) \
3227 && CLASS_DATA (sym)->ts.u.derived \
3228 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3230 /* frontend-passes.c */
3232 void gfc_run_passes (gfc_namespace
*);
3234 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3235 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3237 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3238 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3239 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3243 void gfc_convert_mpz_to_signed (mpz_t
, int);
3245 #endif /* GCC_GFORTRAN_H */