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
;
605 GFC_INIT_REAL_OFF
= 0,
610 GFC_INIT_REAL_NEG_INF
616 GFC_INIT_LOGICAL_OFF
= 0,
617 GFC_INIT_LOGICAL_FALSE
,
618 GFC_INIT_LOGICAL_TRUE
624 GFC_INIT_CHARACTER_OFF
= 0,
625 GFC_INIT_CHARACTER_ON
627 init_local_character
;
631 GFC_INIT_INTEGER_OFF
= 0,
638 GFC_FCOARRAY_NONE
= 0,
653 /************************* Structures *****************************/
655 /* Used for keeping things in balanced binary trees. */
656 #define BBT_HEADER(self) int priority; struct self *left, *right
658 #define NAMED_INTCST(a,b,c,d) a,
659 #define NAMED_KINDARRAY(a,b,c,d) a,
660 #define NAMED_FUNCTION(a,b,c,d) a,
661 #define NAMED_SUBROUTINE(a,b,c,d) a,
662 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
665 ISOFORTRANENV_INVALID
= -1,
666 #include "iso-fortran-env.def"
667 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
669 iso_fortran_env_symbol
;
671 #undef NAMED_KINDARRAY
672 #undef NAMED_FUNCTION
673 #undef NAMED_SUBROUTINE
674 #undef NAMED_DERIVED_TYPE
676 #define NAMED_INTCST(a,b,c,d) a,
677 #define NAMED_REALCST(a,b,c,d) a,
678 #define NAMED_CMPXCST(a,b,c,d) a,
679 #define NAMED_LOGCST(a,b,c) a,
680 #define NAMED_CHARKNDCST(a,b,c) a,
681 #define NAMED_CHARCST(a,b,c) a,
682 #define DERIVED_TYPE(a,b,c) a,
683 #define NAMED_FUNCTION(a,b,c,d) a,
684 #define NAMED_SUBROUTINE(a,b,c,d) a,
687 ISOCBINDING_INVALID
= -1,
688 #include "iso-c-binding.def"
690 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
692 iso_c_binding_symbol
;
697 #undef NAMED_CHARKNDCST
700 #undef NAMED_FUNCTION
701 #undef NAMED_SUBROUTINE
705 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
706 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
712 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
713 int value
; /* Used for both integer and character values. */
718 /* Array of structs, where the structs represent the C interop kinds.
719 The list will be implemented based on a hash of the kind name since
720 these could be accessed multiple times.
721 Declared in trans-types.c as a global, since it's in that file
722 that the list is initialized. */
723 extern CInteropKind_t c_interop_kinds_table
[];
726 /* Structure and list of supported extension attributes. */
729 EXT_ATTR_DLLIMPORT
= 0,
734 EXT_ATTR_NO_ARG_CHECK
,
735 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
743 const char *middle_end_name
;
747 extern const ext_attr_t ext_attr_list
[];
749 /* Symbol attribute structure. */
752 /* Variable attributes. */
753 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
754 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
755 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
756 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
757 contiguous
:1, fe_temp
: 1;
759 /* For CLASS containers, the pointer attribute is sometimes set internally
760 even though it was not directly specified. In this case, keep the
761 "real" (original) value here. */
762 unsigned class_pointer
:1;
764 ENUM_BITFIELD (save_state
) save
:2;
766 unsigned data
:1, /* Symbol is named in a DATA statement. */
767 is_protected
:1, /* Symbol has been marked as protected. */
768 use_assoc
:1, /* Symbol has been use-associated. */
769 use_only
:1, /* Symbol has been use-associated, with ONLY. */
770 use_rename
:1, /* Symbol has been use-associated and renamed. */
771 imported
:1, /* Symbol has been associated by IMPORT. */
772 host_assoc
:1; /* Symbol has been host associated. */
774 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
775 unsigned function
:1, subroutine
:1, procedure
:1;
776 unsigned generic
:1, generic_copy
:1;
777 unsigned implicit_type
:1; /* Type defined via implicit rules. */
778 unsigned untyped
:1; /* No implicit type could be found. */
780 unsigned is_bind_c
:1; /* say if is bound to C. */
781 unsigned extension
:8; /* extension level of a derived type. */
782 unsigned is_class
:1; /* is a CLASS container. */
783 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
784 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
785 unsigned vtype
:1; /* is a derived type of a vtab. */
787 /* These flags are both in the typespec and attribute. The attribute
788 list is what gets read from/written to a module file. The typespec
789 is created from a decl being processed. */
790 unsigned is_c_interop
:1; /* It's c interoperable. */
791 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
793 /* Function/subroutine attributes */
794 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
795 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
797 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
798 which is relevant for private module procedures. */
799 unsigned public_used
:1;
801 /* This is set if a contained procedure could be declared pure. This is
802 used for certain optimizations that require the result or arguments
803 cannot alias. Note that this is zero for PURE procedures. */
804 unsigned implicit_pure
:1;
806 /* This is set if the subroutine doesn't return. Currently, this
807 is only possible for intrinsic subroutines. */
810 /* Set if this procedure is an alternate entry point. These procedures
811 don't have any code associated, and the backend will turn them into
812 thunks to the master function. */
815 /* Set if this is the master function for a procedure with multiple
817 unsigned entry_master
:1;
819 /* Set if this is the master function for a function with multiple
820 entry points where characteristics of the entry points differ. */
821 unsigned mixed_entry_master
:1;
823 /* Set if a function must always be referenced by an explicit interface. */
824 unsigned always_explicit
:1;
826 /* Set if the symbol is generated and, hence, standard violations
827 shouldn't be flaged. */
828 unsigned artificial
:1;
830 /* Set if the symbol has been referenced in an expression. No further
831 modification of type or type parameters is permitted. */
832 unsigned referenced
:1;
834 /* Set if this is the symbol for the main program. */
835 unsigned is_main_program
:1;
837 /* Mutually exclusive multibit attributes. */
838 ENUM_BITFIELD (gfc_access
) access
:2;
839 ENUM_BITFIELD (sym_intent
) intent
:2;
840 ENUM_BITFIELD (sym_flavor
) flavor
:4;
841 ENUM_BITFIELD (ifsrc
) if_source
:2;
843 ENUM_BITFIELD (procedure_type
) proc
:3;
845 /* Special attributes for Cray pointers, pointees. */
846 unsigned cray_pointer
:1, cray_pointee
:1;
848 /* The symbol is a derived type with allocatable components, pointer
849 components or private components, procedure pointer components,
850 possibly nested. zero_comp is true if the derived type has no
851 component at all. defined_assign_comp is true if the derived
852 type or a (sub-)component has a typebound defined assignment.
853 unlimited_polymorphic flags the type of the container for these
855 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
856 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
857 defined_assign_comp
:1, unlimited_polymorphic
:1;
859 /* This is a temporary selector for SELECT TYPE or an associate
860 variable for SELECT_TYPE or ASSOCIATE. */
861 unsigned select_type_temporary
:1, associate_var
:1;
863 /* This is omp_{out,in,priv,orig} artificial variable in
864 !$OMP DECLARE REDUCTION. */
865 unsigned omp_udr_artificial_var
:1;
867 /* Mentioned in OMP DECLARE TARGET. */
868 unsigned omp_declare_target
:1;
870 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
871 unsigned ext_attr
:EXT_ATTR_NUM
;
873 /* Is a parameter associated with a deferred type component. */
874 unsigned deferred_parameter
:1;
876 /* The namespace where the attribute has been set. */
877 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
882 /* We need to store source lines as sequences of multibyte source
883 characters. We define here a type wide enough to hold any multibyte
884 source character, just like libcpp does. A 32-bit type is enough. */
886 #if HOST_BITS_PER_INT >= 32
887 typedef unsigned int gfc_char_t
;
888 #elif HOST_BITS_PER_LONG >= 32
889 typedef unsigned long gfc_char_t
;
890 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
891 typedef unsigned long long gfc_char_t
;
893 # error "Cannot find an integer type with at least 32 bits"
897 /* The following three structures are used to identify a location in
900 gfc_file is used to maintain a tree of the source files and how
901 they include each other
903 gfc_linebuf holds a single line of source code and information
904 which file it resides in
906 locus point to the sourceline and the character in the source
910 typedef struct gfc_file
912 struct gfc_file
*next
, *up
;
913 int inclusion_line
, line
;
917 typedef struct gfc_linebuf
919 source_location location
;
920 struct gfc_file
*file
;
921 struct gfc_linebuf
*next
;
929 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
931 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
939 /* In order for the "gfc" format checking to work correctly, you must
940 have declared a typedef locus first. */
941 #if GCC_VERSION >= 4001
942 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
944 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
948 /* Suppress error messages or re-enable them. */
950 void gfc_push_suppress_errors (void);
951 void gfc_pop_suppress_errors (void);
954 /* Character length structures hold the expression that gives the
955 length of a character variable. We avoid putting these into
956 gfc_typespec because doing so prevents us from doing structure
957 copies and forces us to deallocate any typespecs we create, as well
958 as structures that contain typespecs. They also can have multiple
959 character typespecs pointing to them.
961 These structures form a singly linked list within the current
962 namespace and are deallocated with the namespace. It is possible to
963 end up with gfc_charlen structures that have nothing pointing to them. */
965 typedef struct gfc_charlen
967 struct gfc_expr
*length
;
968 struct gfc_charlen
*next
;
969 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
971 tree passed_length
; /* Length argument explicitly passed. */
977 #define gfc_get_charlen() XCNEW (gfc_charlen)
979 /* Type specification structure. */
987 struct gfc_symbol
*derived
; /* For derived types only. */
988 gfc_charlen
*cl
; /* For character types only. */
989 int pad
; /* For hollerith types only. */
993 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1001 /* Array specification. */
1004 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1006 array_type type
, cotype
;
1007 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1009 /* These two fields are used with the Cray Pointer extension. */
1010 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1011 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1012 AS_EXPLICIT, but we want to remember that we
1018 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1021 /* Components of derived types. */
1022 typedef struct gfc_component
1027 symbol_attribute attr
;
1031 /* Used to cache a FIELD_DECL matching this same component
1032 but applied to a different backend containing type that was
1033 generated by gfc_nonrestricted_type. */
1034 tree norestrict_decl
;
1036 struct gfc_expr
*initializer
;
1037 struct gfc_component
*next
;
1039 /* Needed for procedure pointer components. */
1040 struct gfc_typebound_proc
*tb
;
1044 #define gfc_get_component() XCNEW (gfc_component)
1046 /* Formal argument lists are lists of symbols. */
1047 typedef struct gfc_formal_arglist
1049 /* Symbol representing the argument at this position in the arglist. */
1050 struct gfc_symbol
*sym
;
1051 /* Points to the next formal argument. */
1052 struct gfc_formal_arglist
*next
;
1056 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1059 /* The gfc_actual_arglist structure is for actual arguments. */
1060 typedef struct gfc_actual_arglist
1063 /* Alternate return label when the expr member is null. */
1064 struct gfc_st_label
*label
;
1066 /* This is set to the type of an eventual omitted optional
1067 argument. This is used to determine if a hidden string length
1068 argument has to be added to a function call. */
1069 bt missing_arg_type
;
1071 struct gfc_expr
*expr
;
1072 struct gfc_actual_arglist
*next
;
1076 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1079 /* Because a symbol can belong to multiple namelists, they must be
1080 linked externally to the symbol itself. */
1081 typedef struct gfc_namelist
1083 struct gfc_symbol
*sym
;
1084 struct gfc_namelist
*next
;
1088 #define gfc_get_namelist() XCNEW (gfc_namelist)
1092 OMP_REDUCTION_NONE
= -1,
1093 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1094 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1095 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1096 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1097 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1098 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1099 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1100 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1107 gfc_omp_reduction_op
;
1126 /* For use in OpenMP clauses in case we need extra information
1127 (aligned clause alignment, linear clause step, etc.). */
1129 typedef struct gfc_omp_namelist
1131 struct gfc_symbol
*sym
;
1132 struct gfc_expr
*expr
;
1135 gfc_omp_reduction_op reduction_op
;
1136 gfc_omp_depend_op depend_op
;
1137 gfc_omp_map_op map_op
;
1139 struct gfc_omp_namelist_udr
*udr
;
1140 struct gfc_omp_namelist
*next
;
1144 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1149 OMP_LIST_FIRSTPRIVATE
,
1150 OMP_LIST_LASTPRIVATE
,
1151 OMP_LIST_COPYPRIVATE
,
1165 /* Because a symbol can belong to multiple namelists, they must be
1166 linked externally to the symbol itself. */
1168 enum gfc_omp_sched_kind
1178 enum gfc_omp_default_sharing
1180 OMP_DEFAULT_UNKNOWN
,
1182 OMP_DEFAULT_PRIVATE
,
1184 OMP_DEFAULT_FIRSTPRIVATE
1187 enum gfc_omp_proc_bind_kind
1189 OMP_PROC_BIND_UNKNOWN
,
1190 OMP_PROC_BIND_MASTER
,
1191 OMP_PROC_BIND_SPREAD
,
1195 enum gfc_omp_cancel_kind
1198 OMP_CANCEL_PARALLEL
,
1199 OMP_CANCEL_SECTIONS
,
1201 OMP_CANCEL_TASKGROUP
1204 typedef struct gfc_omp_clauses
1206 struct gfc_expr
*if_expr
;
1207 struct gfc_expr
*final_expr
;
1208 struct gfc_expr
*num_threads
;
1209 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1210 enum gfc_omp_sched_kind sched_kind
;
1211 struct gfc_expr
*chunk_size
;
1212 enum gfc_omp_default_sharing default_sharing
;
1214 bool nowait
, ordered
, untied
, mergeable
;
1215 bool inbranch
, notinbranch
;
1216 enum gfc_omp_cancel_kind cancel
;
1217 enum gfc_omp_proc_bind_kind proc_bind
;
1218 struct gfc_expr
*safelen_expr
;
1219 struct gfc_expr
*simdlen_expr
;
1220 struct gfc_expr
*num_teams
;
1221 struct gfc_expr
*device
;
1222 struct gfc_expr
*thread_limit
;
1223 enum gfc_omp_sched_kind dist_sched_kind
;
1224 struct gfc_expr
*dist_chunk_size
;
1228 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1231 /* Node in the linked list used for storing !$omp declare simd constructs. */
1233 typedef struct gfc_omp_declare_simd
1235 struct gfc_omp_declare_simd
*next
;
1236 locus where
; /* Where the !$omp declare simd construct occurred. */
1238 gfc_symbol
*proc_name
;
1240 gfc_omp_clauses
*clauses
;
1242 gfc_omp_declare_simd
;
1243 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1245 typedef struct gfc_omp_udr
1247 struct gfc_omp_udr
*next
;
1248 locus where
; /* Where the !$omp declare reduction construct occurred. */
1252 gfc_omp_reduction_op rop
;
1254 struct gfc_symbol
*omp_out
;
1255 struct gfc_symbol
*omp_in
;
1256 struct gfc_namespace
*combiner_ns
;
1258 struct gfc_symbol
*omp_priv
;
1259 struct gfc_symbol
*omp_orig
;
1260 struct gfc_namespace
*initializer_ns
;
1263 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1265 typedef struct gfc_omp_namelist_udr
1267 struct gfc_omp_udr
*udr
;
1268 struct gfc_code
*combiner
;
1269 struct gfc_code
*initializer
;
1271 gfc_omp_namelist_udr
;
1272 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1274 /* The gfc_st_label structure is a BBT attached to a namespace that
1275 records the usage of statement labels within that space. */
1277 typedef struct gfc_st_label
1279 BBT_HEADER(gfc_st_label
);
1283 gfc_sl_type defined
, referenced
;
1285 struct gfc_expr
*format
;
1294 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1295 typedef struct gfc_interface
1297 struct gfc_symbol
*sym
;
1299 struct gfc_interface
*next
;
1303 #define gfc_get_interface() XCNEW (gfc_interface)
1305 /* User operator nodes. These are like stripped down symbols. */
1311 struct gfc_namespace
*ns
;
1317 /* A list of specific bindings that are associated with a generic spec. */
1318 typedef struct gfc_tbp_generic
1320 /* The parser sets specific_st, upon resolution we look for the corresponding
1321 gfc_typebound_proc and set specific for further use. */
1322 struct gfc_symtree
* specific_st
;
1323 struct gfc_typebound_proc
* specific
;
1325 struct gfc_tbp_generic
* next
;
1330 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1333 /* Data needed for type-bound procedures. */
1334 typedef struct gfc_typebound_proc
1336 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1340 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1341 gfc_tbp_generic
* generic
;
1346 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1348 /* The overridden type-bound proc (or GENERIC with this name in the
1349 parent-type) or NULL if non. */
1350 struct gfc_typebound_proc
* overridden
;
1352 /* Once resolved, we use the position of pass_arg in the formal arglist of
1353 the binding-target procedure to identify it. The first argument has
1354 number 1 here, the second 2, and so on. */
1355 unsigned pass_arg_num
;
1357 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1358 unsigned non_overridable
:1;
1359 unsigned deferred
:1;
1360 unsigned is_generic
:1;
1361 unsigned function
:1, subroutine
:1;
1362 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1368 /* Symbol nodes. These are important things. They are what the
1369 standard refers to as "entities". The possibly multiple names that
1370 refer to the same entity are accomplished by a binary tree of
1371 symtree structures that is balanced by the red-black method-- more
1372 than one symtree node can point to any given symbol. */
1374 typedef struct gfc_symbol
1376 const char *name
; /* Primary name, before renaming */
1377 const char *module
; /* Module this symbol came from */
1381 symbol_attribute attr
;
1383 /* The formal member points to the formal argument list if the
1384 symbol is a function or subroutine name. If the symbol is a
1385 generic name, the generic member points to the list of
1388 gfc_interface
*generic
;
1389 gfc_access component_access
;
1391 gfc_formal_arglist
*formal
;
1392 struct gfc_namespace
*formal_ns
;
1393 struct gfc_namespace
*f2k_derived
;
1395 struct gfc_expr
*value
; /* Parameter/Initializer value */
1397 struct gfc_symbol
*result
; /* function result symbol */
1398 gfc_component
*components
; /* Derived type components */
1400 /* Defined only for Cray pointees; points to their pointer. */
1401 struct gfc_symbol
*cp_pointer
;
1403 int entry_id
; /* Used in resolve.c for entries. */
1405 /* CLASS hashed name for declared and dynamic types in the class. */
1408 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1410 /* This is in fact a gfc_common_head but it is only used for pointer
1411 comparisons to check if symbols are in the same common block. */
1412 struct gfc_common_head
* common_head
;
1414 /* Make sure setup code for dummy arguments is generated in the correct
1418 gfc_namelist
*namelist
, *namelist_tail
;
1420 /* Change management fields. Symbols that might be modified by the
1421 current statement have the mark member nonzero and are kept in a
1422 singly linked list through the tlink field. Of these symbols,
1423 symbols with old_symbol equal to NULL are symbols created within
1424 the current statement. Otherwise, old_symbol points to a copy of
1427 struct gfc_symbol
*old_symbol
, *tlink
;
1428 unsigned mark
:1, gfc_new
:1;
1429 /* Nonzero if all equivalences associated with this symbol have been
1431 unsigned equiv_built
:1;
1432 /* Set if this variable is used as an index name in a FORALL. */
1433 unsigned forall_index
:1;
1434 /* Used to avoid multiple resolutions of a single symbol. */
1435 unsigned resolved
:1;
1438 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1442 /* Identity of the intrinsic module the symbol comes from, or
1443 INTMOD_NONE if it's not imported from a intrinsic module. */
1444 intmod_id from_intmod
;
1445 /* Identity of the symbol from intrinsic modules, from enums maintained
1446 separately by each intrinsic module. Used together with from_intmod,
1447 it uniquely identifies a symbol from an intrinsic module. */
1450 /* This may be repetitive, since the typespec now has a binding
1452 const char* binding_label
;
1453 /* Store a reference to the common_block, if this symbol is in one. */
1454 struct gfc_common_head
*common_block
;
1456 /* Link to corresponding association-list if this is an associate name. */
1457 struct gfc_association_list
*assoc
;
1462 struct gfc_undo_change_set
1464 vec
<gfc_symbol
*> syms
;
1465 vec
<gfc_typebound_proc
*> tbps
;
1466 gfc_undo_change_set
*previous
;
1470 /* This structure is used to keep track of symbols in common blocks. */
1471 typedef struct gfc_common_head
1474 char use_assoc
, saved
, threadprivate
, omp_declare_target
;
1475 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1476 struct gfc_symbol
*head
;
1477 const char* binding_label
;
1483 #define gfc_get_common_head() XCNEW (gfc_common_head)
1486 /* A list of all the alternate entry points for a procedure. */
1488 typedef struct gfc_entry_list
1490 /* The symbol for this entry point. */
1492 /* The zero-based id of this entry point. */
1494 /* The LABEL_EXPR marking this entry point. */
1496 /* The next item in the list. */
1497 struct gfc_entry_list
*next
;
1501 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1503 /* Lists of rename info for the USE statement. */
1505 typedef struct gfc_use_rename
1507 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1508 struct gfc_use_rename
*next
;
1510 gfc_intrinsic_op op
;
1515 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1517 /* A list of all USE statements in a namespace. */
1519 typedef struct gfc_use_list
1521 const char *module_name
;
1525 struct gfc_use_rename
*rename
;
1527 /* Next USE statement. */
1528 struct gfc_use_list
*next
;
1532 #define gfc_get_use_list() XCNEW (gfc_use_list)
1534 /* Within a namespace, symbols are pointed to by symtree nodes that
1535 are linked together in a balanced binary tree. There can be
1536 several symtrees pointing to the same symbol node via USE
1539 typedef struct gfc_symtree
1541 BBT_HEADER (gfc_symtree
);
1546 gfc_symbol
*sym
; /* Symbol associated with this node */
1548 gfc_common_head
*common
;
1549 gfc_typebound_proc
*tb
;
1550 gfc_omp_udr
*omp_udr
;
1556 /* A linked list of derived types in the namespace. */
1557 typedef struct gfc_dt_list
1559 struct gfc_symbol
*derived
;
1560 struct gfc_dt_list
*next
;
1564 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1566 /* A list of all derived types. */
1567 extern gfc_dt_list
*gfc_derived_types
;
1569 /* A namespace describes the contents of procedure, module, interface block
1570 or BLOCK construct. */
1571 /* ??? Anything else use these? */
1573 typedef struct gfc_namespace
1575 /* Tree containing all the symbols in this namespace. */
1576 gfc_symtree
*sym_root
;
1577 /* Tree containing all the user-defined operators in the namespace. */
1578 gfc_symtree
*uop_root
;
1579 /* Tree containing all the common blocks. */
1580 gfc_symtree
*common_root
;
1581 /* Tree containing all the OpenMP user defined reductions. */
1582 gfc_symtree
*omp_udr_root
;
1584 /* Tree containing type-bound procedures. */
1585 gfc_symtree
*tb_sym_root
;
1586 /* Type-bound user operators. */
1587 gfc_symtree
*tb_uop_root
;
1588 /* For derived-types, store type-bound intrinsic operators here. */
1589 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1590 /* Linked list of finalizer procedures. */
1591 struct gfc_finalizer
*finalizers
;
1593 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1594 int set_flag
[GFC_LETTERS
];
1595 /* Keeps track of the implicit types associated with the letters. */
1596 gfc_typespec default_type
[GFC_LETTERS
];
1597 /* Store the positions of IMPLICIT statements. */
1598 locus implicit_loc
[GFC_LETTERS
];
1600 /* If this is a namespace of a procedure, this points to the procedure. */
1601 struct gfc_symbol
*proc_name
;
1602 /* If this is the namespace of a unit which contains executable
1603 code, this points to it. */
1604 struct gfc_code
*code
;
1606 /* Points to the equivalences set up in this namespace. */
1607 struct gfc_equiv
*equiv
, *old_equiv
;
1609 /* Points to the equivalence groups produced by trans_common. */
1610 struct gfc_equiv_list
*equiv_lists
;
1612 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1614 /* Points to the parent namespace, i.e. the namespace of a module or
1615 procedure in which the procedure belonging to this namespace is
1616 contained. The parent namespace points to this namespace either
1617 directly via CONTAINED, or indirectly via the chain built by
1619 struct gfc_namespace
*parent
;
1620 /* CONTAINED points to the first contained namespace. Sibling
1621 namespaces are chained via SIBLING. */
1622 struct gfc_namespace
*contained
, *sibling
;
1624 gfc_common_head blank_common
;
1625 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1627 gfc_st_label
*st_labels
;
1628 /* This list holds information about all the data initializers in
1630 struct gfc_data
*data
;
1632 gfc_charlen
*cl_list
, *old_cl_list
;
1634 gfc_dt_list
*derived_types
;
1636 int save_all
, seen_save
, seen_implicit_none
;
1638 /* Normally we don't need to refcount namespaces. However when we read
1639 a module containing a function with multiple entry points, this
1640 will appear as several functions with the same formal namespace. */
1643 /* A list of all alternate entry points to this procedure (or NULL). */
1644 gfc_entry_list
*entries
;
1646 /* A list of USE statements in this namespace. */
1647 gfc_use_list
*use_stmts
;
1649 /* Linked list of !$omp declare simd constructs. */
1650 struct gfc_omp_declare_simd
*omp_declare_simd
;
1652 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1653 unsigned is_block_data
:1;
1655 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1656 unsigned has_import_set
:1;
1658 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1659 unsigned has_implicit_none_export
:1;
1661 /* Set to 1 if resolved has been called for this namespace.
1662 Holds -1 during resolution. */
1665 /* Set to 1 if code has been generated for this namespace. */
1666 unsigned translated
:1;
1668 /* Set to 1 if symbols in this namespace should be 'construct entities',
1669 i.e. for BLOCK local variables. */
1670 unsigned construct_entities
:1;
1672 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1673 unsigned omp_udr_ns
:1;
1677 extern gfc_namespace
*gfc_current_ns
;
1678 extern gfc_namespace
*gfc_global_ns_list
;
1680 /* Global symbols are symbols of global scope. Currently we only use
1681 this to detect collisions already when parsing.
1682 TODO: Extend to verify procedure calls. */
1684 enum gfc_symbol_type
1686 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1687 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1690 typedef struct gfc_gsymbol
1692 BBT_HEADER(gfc_gsymbol
);
1695 const char *sym_name
;
1696 const char *mod_name
;
1697 const char *binding_label
;
1698 enum gfc_symbol_type type
;
1706 extern gfc_gsymbol
*gfc_gsym_root
;
1708 /* Information on interfaces being built. */
1711 interface_type type
;
1715 gfc_intrinsic_op op
;
1719 extern gfc_interface_info current_interface
;
1722 /* Array reference. */
1724 enum gfc_array_ref_dimen_type
1726 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1729 typedef struct gfc_array_ref
1732 int dimen
; /* # of components in the reference */
1734 bool in_allocate
; /* For coarray checks. */
1738 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1739 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1740 *stride
[GFC_MAX_DIMENSIONS
];
1742 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1746 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1749 /* Component reference nodes. A variable is stored as an expression
1750 node that points to the base symbol. After that, a singly linked
1751 list of component reference nodes gives the variable's complete
1752 resolution. The array_ref component may be present and comes
1753 before the component component. */
1756 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1759 typedef struct gfc_ref
1765 struct gfc_array_ref ar
;
1769 gfc_component
*component
;
1776 struct gfc_expr
*start
, *end
; /* Substring */
1777 gfc_charlen
*length
;
1784 struct gfc_ref
*next
;
1788 #define gfc_get_ref() XCNEW (gfc_ref)
1791 /* Structures representing intrinsic symbols and their arguments lists. */
1792 typedef struct gfc_intrinsic_arg
1794 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1797 unsigned optional
:1, value
:1;
1798 ENUM_BITFIELD (sym_intent
) intent
:2;
1799 gfc_actual_arglist
*actual
;
1801 struct gfc_intrinsic_arg
*next
;
1807 /* Specifies the various kinds of check functions used to verify the
1808 argument lists of intrinsic functions. fX with X an integer refer
1809 to check functions of intrinsics with X arguments. f1m is used for
1810 the MAX and MIN intrinsics which can have an arbitrary number of
1811 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1812 these have special semantics. */
1817 bool (*f1
)(struct gfc_expr
*);
1818 bool (*f1m
)(gfc_actual_arglist
*);
1819 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1820 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1821 bool (*f3ml
)(gfc_actual_arglist
*);
1822 bool (*f3red
)(gfc_actual_arglist
*);
1823 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1825 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1826 struct gfc_expr
*, struct gfc_expr
*);
1830 /* Like gfc_check_f, these specify the type of the simplification
1831 function associated with an intrinsic. The fX are just like in
1832 gfc_check_f. cc is used for type conversion functions. */
1836 struct gfc_expr
*(*f0
)(void);
1837 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1838 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1839 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1841 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1842 struct gfc_expr
*, struct gfc_expr
*);
1843 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1844 struct gfc_expr
*, struct gfc_expr
*,
1846 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1850 /* Again like gfc_check_f, these specify the type of the resolution
1851 function associated with an intrinsic. The fX are just like in
1852 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1856 void (*f0
)(struct gfc_expr
*);
1857 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1858 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1859 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1860 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1862 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1863 struct gfc_expr
*, struct gfc_expr
*);
1864 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1865 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1866 void (*s1
)(struct gfc_code
*);
1871 typedef struct gfc_intrinsic_sym
1873 const char *name
, *lib_name
;
1874 gfc_intrinsic_arg
*formal
;
1876 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1877 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1882 gfc_simplify_f simplify
;
1884 gfc_resolve_f resolve
;
1885 struct gfc_intrinsic_sym
*specific_head
, *next
;
1892 /* Expression nodes. The expression node types deserve explanations,
1893 since the last couple can be easily misconstrued:
1895 EXPR_OP Operator node pointing to one or two other nodes
1896 EXPR_FUNCTION Function call, symbol points to function's name
1897 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1898 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1899 which expresses structure, array and substring refs.
1900 EXPR_NULL The NULL pointer value (which also has a basic type).
1901 EXPR_SUBSTRING A substring of a constant string
1902 EXPR_STRUCTURE A structure constructor
1903 EXPR_ARRAY An array constructor.
1904 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1905 component or type-bound procedure. */
1909 #define GFC_RND_MODE GMP_RNDN
1910 #define GFC_MPC_RND_MODE MPC_RNDNN
1912 typedef splay_tree gfc_constructor_base
;
1914 typedef struct gfc_expr
1918 gfc_typespec ts
; /* These two refer to the overall expression */
1920 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1921 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1923 /* Nonnull for functions and structure constructors, may also used to hold the
1924 base-object for component calls. */
1925 gfc_symtree
*symtree
;
1931 /* Used to store the base expression in component calls, when the expression
1932 is not a variable. */
1933 struct gfc_expr
*base_expr
;
1935 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1936 denotes a signalling not-a-number. */
1937 unsigned int is_boz
: 1, is_snan
: 1;
1939 /* Sometimes, when an error has been emitted, it is necessary to prevent
1940 it from recurring. */
1941 unsigned int error
: 1;
1943 /* Mark an expression where a user operator has been substituted by
1944 a function call in interface.c(gfc_extend_expr). */
1945 unsigned int user_operator
: 1;
1947 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1948 unsigned int mold
: 1;
1950 /* If an expression comes from a Hollerith constant or compile-time
1951 evaluation of a transfer statement, it may have a prescribed target-
1952 memory representation, and these cannot always be backformed from
1975 gfc_intrinsic_op op
;
1977 struct gfc_expr
*op1
, *op2
;
1983 gfc_actual_arglist
*actual
;
1984 const char *name
; /* Points to the ultimate name of the function */
1985 gfc_intrinsic_sym
*isym
;
1992 gfc_actual_arglist
* actual
;
1994 /* Base-object, whose component was called. NULL means that it should
1995 be taken from symtree/ref. */
1996 struct gfc_expr
* base_object
;
1997 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1999 /* For type-bound operators, we want to call PASS procedures but already
2000 have the full arglist; mark this, so that it is not extended by the
2002 unsigned ignore_pass
:1;
2004 /* Do assign-calls rather than calls, that is appropriate dependency
2017 gfc_constructor_base constructor
;
2025 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2027 /* Structures for information associated with different kinds of
2028 numbers. The first set of integer parameters define all there is
2029 to know about a particular kind. The rest of the elements are
2030 computed from the first elements. */
2034 /* Values really representable by the target. */
2035 mpz_t huge
, pedantic_min_int
, min_int
;
2037 int kind
, radix
, digits
, bit_size
, range
;
2039 /* True if the C type of the given name maps to this precision.
2040 Note that more than one bit can be set. */
2041 unsigned int c_char
: 1;
2042 unsigned int c_short
: 1;
2043 unsigned int c_int
: 1;
2044 unsigned int c_long
: 1;
2045 unsigned int c_long_long
: 1;
2049 extern gfc_integer_info gfc_integer_kinds
[];
2056 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2057 unsigned int c_bool
: 1;
2061 extern gfc_logical_info gfc_logical_kinds
[];
2066 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2067 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2068 int range
, precision
;
2070 /* The precision of the type as reported by GET_MODE_PRECISION. */
2073 /* True if the C type of the given name maps to this precision.
2074 Note that more than one bit can be set. */
2075 unsigned int c_float
: 1;
2076 unsigned int c_double
: 1;
2077 unsigned int c_long_double
: 1;
2078 unsigned int c_float128
: 1;
2082 extern gfc_real_info gfc_real_kinds
[];
2091 extern gfc_character_info gfc_character_kinds
[];
2094 /* Equivalence structures. Equivalent lvalues are linked along the
2095 *eq pointer, equivalence sets are strung along the *next node. */
2096 typedef struct gfc_equiv
2098 struct gfc_equiv
*next
, *eq
;
2105 #define gfc_get_equiv() XCNEW (gfc_equiv)
2107 /* Holds a single equivalence member after processing. */
2108 typedef struct gfc_equiv_info
2111 HOST_WIDE_INT offset
;
2112 HOST_WIDE_INT length
;
2113 struct gfc_equiv_info
*next
;
2116 /* Holds equivalence groups, after they have been processed. */
2117 typedef struct gfc_equiv_list
2119 gfc_equiv_info
*equiv
;
2120 struct gfc_equiv_list
*next
;
2123 /* gfc_case stores the selector list of a case statement. The *low
2124 and *high pointers can point to the same expression in the case of
2125 a single value. If *high is NULL, the selection is from *low
2126 upwards, if *low is NULL the selection is *high downwards.
2128 This structure has separate fields to allow single and double linked
2129 lists of CASEs at the same time. The singe linked list along the NEXT
2130 field is a list of cases for a single CASE label. The double linked
2131 list along the LEFT/RIGHT fields is used to detect overlap and to
2132 build a table of the cases for SELECT constructs with a CHARACTER
2135 typedef struct gfc_case
2137 /* Where we saw this case. */
2141 /* Case range values. If (low == high), it's a single value. If one of
2142 the labels is NULL, it's an unbounded case. If both are NULL, this
2143 represents the default case. */
2144 gfc_expr
*low
, *high
;
2146 /* Only used for SELECT TYPE. */
2149 /* Next case label in the list of cases for a single CASE label. */
2150 struct gfc_case
*next
;
2152 /* Used for detecting overlap, and for code generation. */
2153 struct gfc_case
*left
, *right
;
2155 /* True if this case label can never be matched. */
2160 #define gfc_get_case() XCNEW (gfc_case)
2165 gfc_expr
*var
, *start
, *end
, *step
;
2169 #define gfc_get_iterator() XCNEW (gfc_iterator)
2172 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2174 typedef struct gfc_alloc
2177 struct gfc_alloc
*next
;
2181 #define gfc_get_alloc() XCNEW (gfc_alloc)
2186 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2187 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2188 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2196 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2204 gfc_expr
*unit
, *iostat
, *iomsg
;
2212 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2213 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2214 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2215 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2216 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2227 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2228 gfc_st_label
*err
, *end
, *eor
;
2235 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2236 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2237 *sign
, *extra_comma
, *dt_io_kind
;
2239 gfc_symbol
*namelist
;
2240 /* A format_label of `format_asterisk' indicates the "*" format */
2241 gfc_st_label
*format_label
;
2242 gfc_st_label
*err
, *end
, *eor
;
2244 locus eor_where
, end_where
, err_where
;
2249 typedef struct gfc_forall_iterator
2251 gfc_expr
*var
, *start
, *end
, *stride
;
2252 struct gfc_forall_iterator
*next
;
2254 gfc_forall_iterator
;
2257 /* Linked list to store associations in an ASSOCIATE statement. */
2259 typedef struct gfc_association_list
2261 struct gfc_association_list
*next
;
2263 /* Whether this is association to a variable that can be changed; otherwise,
2264 it's association to an expression and the name may not be used as
2266 unsigned variable
:1;
2268 /* True if this struct is currently only linked to from a gfc_symbol rather
2269 than as part of a real list in gfc_code->ext.block.assoc. This may
2270 happen for SELECT TYPE temporaries and must be considered
2271 for memory handling. */
2272 unsigned dangling
:1;
2274 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2275 gfc_symtree
*st
; /* Symtree corresponding to name. */
2280 gfc_association_list
;
2281 #define gfc_get_association_list() XCNEW (gfc_association_list)
2284 /* Executable statements that fill gfc_code structures. */
2287 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2288 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2289 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2290 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2291 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2292 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2293 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2294 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2295 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2296 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2297 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2298 EXEC_LOCK
, EXEC_UNLOCK
,
2299 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2300 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2301 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2302 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2303 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2304 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2305 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2306 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2307 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2308 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2309 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2310 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2311 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2312 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2313 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2314 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2315 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2316 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2317 EXEC_OMP_TARGET_UPDATE
2323 GFC_OMP_ATOMIC_UPDATE
= 0,
2324 GFC_OMP_ATOMIC_READ
= 1,
2325 GFC_OMP_ATOMIC_WRITE
= 2,
2326 GFC_OMP_ATOMIC_CAPTURE
= 3,
2327 GFC_OMP_ATOMIC_MASK
= 3,
2328 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2329 GFC_OMP_ATOMIC_SWAP
= 8
2333 typedef struct gfc_code
2337 struct gfc_code
*block
, *next
;
2340 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2341 gfc_symtree
*symtree
;
2342 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2343 /* A name isn't sufficient to identify a subroutine, we need the actual
2344 symbol for the interface definition.
2345 const char *sub_name; */
2346 gfc_symbol
*resolved_sym
;
2347 gfc_intrinsic_sym
*resolved_isym
;
2351 gfc_actual_arglist
*actual
;
2352 gfc_iterator
*iterator
;
2364 gfc_association_list
*assoc
;
2365 gfc_case
*case_list
;
2371 gfc_filepos
*filepos
;
2372 gfc_inquire
*inquire
;
2375 gfc_forall_iterator
*forall_iterator
;
2376 struct gfc_code
*which_construct
;
2378 gfc_entry_list
*entry
;
2379 gfc_omp_clauses
*omp_clauses
;
2380 const char *omp_name
;
2381 gfc_omp_namelist
*omp_namelist
;
2383 gfc_omp_atomic_op omp_atomic
;
2385 ext
; /* Points to additional structures required by statement */
2387 /* Cycle and break labels in constructs. */
2394 /* Storage for DATA statements. */
2395 typedef struct gfc_data_variable
2399 struct gfc_data_variable
*list
, *next
;
2404 typedef struct gfc_data_value
2408 struct gfc_data_value
*next
;
2413 typedef struct gfc_data
2415 gfc_data_variable
*var
;
2416 gfc_data_value
*value
;
2419 struct gfc_data
*next
;
2424 /* Structure for holding compile options */
2428 gfc_source_form source_form
;
2429 /* Maximum line lengths in fixed- and free-form source, respectively.
2430 When fixed_line_length or free_line_length are 0, the whole line is used,
2431 regardless of length.
2433 If the user requests a fixed_line_length <7 then gfc_init_options()
2434 emits a fatal error. */
2435 int fixed_line_length
;
2436 int free_line_length
;
2437 /* Maximum number of continuation lines in fixed- and free-form source,
2439 int max_continue_fixed
;
2440 int max_continue_free
;
2441 int max_identifier_length
;
2442 int dump_fortran_original
;
2443 int dump_fortran_optimized
;
2447 int gfc_warn_conversion
;
2448 int warn_c_binding_type
;
2449 int warn_conversion_extra
;
2450 int warn_function_elimination
;
2451 int warn_implicit_interface
;
2452 int warn_implicit_procedure
;
2453 int warn_line_truncation
;
2454 int warn_surprising
;
2456 int warn_intrinsic_shadow
;
2457 int warn_intrinsics_std
;
2458 int warn_array_temp
;
2459 int warn_align_commons
;
2460 int warn_real_q_constant
;
2461 int warn_unused_dummy_argument
;
2463 int warn_realloc_lhs
;
2464 int warn_realloc_lhs_all
;
2465 int warn_compare_reals
;
2466 int warn_target_lifetime
;
2469 int flag_all_intrinsics
;
2470 int flag_default_double
;
2471 int flag_default_integer
;
2472 int flag_default_real
;
2473 int flag_integer4_kind
;
2474 int flag_real4_kind
;
2475 int flag_real8_kind
;
2477 int flag_underscoring
;
2478 int flag_second_underscore
;
2479 int flag_implicit_none
;
2480 int flag_max_stack_var_size
;
2481 int flag_max_array_constructor
;
2482 int flag_range_check
;
2483 int flag_pack_derived
;
2484 int flag_repack_arrays
;
2485 int flag_preprocessed
;
2490 int flag_allow_leading_underscore
;
2491 int flag_external_blas
;
2492 int blas_matmul_limit
;
2493 int flag_cray_pointer
;
2495 int gfc_flag_openmp
;
2496 int gfc_flag_openmp_simd
;
2498 int flag_stack_arrays
;
2499 int flag_module_private
;
2501 int flag_init_local_zero
;
2502 int flag_init_integer
;
2503 int flag_init_integer_value
;
2505 int flag_init_logical
;
2506 int flag_init_character
;
2507 char flag_init_character_value
;
2508 int flag_align_commons
;
2509 int flag_protect_parens
;
2510 int flag_realloc_lhs
;
2511 int flag_aggressive_function_elimination
;
2512 int flag_frontend_optimize
;
2517 gfc_fcoarray coarray
;
2523 int max_subrecord_length
;
2527 extern gfc_option_t gfc_option
;
2529 /* Constructor nodes for array and structure constructors. */
2530 typedef struct gfc_constructor
2532 gfc_constructor_base base
;
2533 mpz_t offset
; /* Offset within a constructor, used as
2537 gfc_iterator
*iterator
;
2542 gfc_component
*component
; /* Record the component being initialized. */
2545 mpz_t repeat
; /* Record the repeat number of initial values in data
2546 statement like "data a/5*10/". */
2551 typedef struct iterator_stack
2553 gfc_symtree
*variable
;
2555 struct iterator_stack
*prev
;
2558 extern iterator_stack
*iter_stack
;
2561 /* Used for (possibly nested) SELECT TYPE statements. */
2562 typedef struct gfc_select_type_stack
2564 gfc_symbol
*selector
; /* Current selector variable. */
2565 gfc_symtree
*tmp
; /* Current temporary variable. */
2566 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2568 gfc_select_type_stack
;
2569 extern gfc_select_type_stack
*select_type_stack
;
2570 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2573 /* Node in the linked list used for storing finalizer procedures. */
2575 typedef struct gfc_finalizer
2577 struct gfc_finalizer
* next
;
2578 locus where
; /* Where the FINAL declaration occurred. */
2580 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2581 symtree and later need only that. This way, we can access and call the
2582 finalizers from every context as they should be "always accessible". I
2583 don't make this a union because we need the information whether proc_sym is
2584 still referenced or not for dereferencing it on deleting a gfc_finalizer
2586 gfc_symbol
* proc_sym
;
2587 gfc_symtree
* proc_tree
;
2590 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2593 /************************ Function prototypes *************************/
2596 bool gfc_in_match_data (void);
2597 match
gfc_match_char_spec (gfc_typespec
*);
2600 void gfc_scanner_done_1 (void);
2601 void gfc_scanner_init_1 (void);
2603 void gfc_add_include_path (const char *, bool, bool, bool);
2604 void gfc_add_intrinsic_modules_path (const char *);
2605 void gfc_release_include_path (void);
2606 FILE *gfc_open_included_file (const char *, bool, bool);
2608 int gfc_at_end (void);
2609 int gfc_at_eof (void);
2610 int gfc_at_bol (void);
2611 int gfc_at_eol (void);
2612 void gfc_advance_line (void);
2613 int gfc_check_include (void);
2614 int gfc_define_undef_line (void);
2616 int gfc_wide_is_printable (gfc_char_t
);
2617 int gfc_wide_is_digit (gfc_char_t
);
2618 int gfc_wide_fits_in_byte (gfc_char_t
);
2619 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2620 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2621 size_t gfc_wide_strlen (const gfc_char_t
*);
2622 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2623 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2624 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2625 gfc_char_t
*gfc_char_to_widechar (const char *);
2627 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2629 void gfc_skip_comments (void);
2630 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2631 gfc_char_t
gfc_next_char (void);
2632 char gfc_next_ascii_char (void);
2633 gfc_char_t
gfc_peek_char (void);
2634 char gfc_peek_ascii_char (void);
2635 void gfc_error_recovery (void);
2636 void gfc_gobble_whitespace (void);
2637 bool gfc_new_file (void);
2638 const char * gfc_read_orig_filename (const char *, const char **);
2640 extern gfc_source_form gfc_current_form
;
2641 extern const char *gfc_source_file
;
2642 extern locus gfc_current_locus
;
2644 void gfc_start_source_files (void);
2645 void gfc_end_source_files (void);
2648 void gfc_clear_ts (gfc_typespec
*);
2649 FILE *gfc_open_file (const char *);
2650 const char *gfc_basic_typename (bt
);
2651 const char *gfc_typename (gfc_typespec
*);
2652 const char *gfc_op2string (gfc_intrinsic_op
);
2653 const char *gfc_code2string (const mstring
*, int);
2654 int gfc_string2code (const mstring
*, const char *);
2655 const char *gfc_intent_string (sym_intent
);
2657 void gfc_init_1 (void);
2658 void gfc_init_2 (void);
2659 void gfc_done_1 (void);
2660 void gfc_done_2 (void);
2662 int get_c_kind (const char *, CInteropKind_t
*);
2665 unsigned int gfc_option_lang_mask (void);
2666 void gfc_init_options_struct (struct gcc_options
*);
2667 void gfc_init_options (unsigned int,
2668 struct cl_decoded_option
*);
2669 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2670 const struct cl_option_handlers
*);
2671 bool gfc_post_options (const char **);
2672 char *gfc_get_option_string (void);
2675 void gfc_maybe_initialize_eh (void);
2678 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2679 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2683 typedef struct gfc_error_buf
2686 size_t allocated
, index
;
2690 void gfc_error_init_1 (void);
2691 void gfc_diagnostics_init (void);
2692 void gfc_diagnostics_finish (void);
2693 void gfc_buffer_error (int);
2695 const char *gfc_print_wide_char (gfc_char_t
);
2697 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2698 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2699 bool gfc_warning_now_2 (const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(1,2);
2700 bool gfc_warning_now_2 (int opt
, const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(2,3);
2702 void gfc_clear_warning (void);
2703 void gfc_warning_check (void);
2705 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2706 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2707 void gfc_error_now_2 (const char *gmsgid
, ...) ATTRIBUTE_GCC_GFC(1,2);
2708 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2709 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2710 void gfc_clear_error (void);
2711 int gfc_error_check (void);
2712 int gfc_error_flag_test (void);
2714 notification
gfc_notification_std (int);
2715 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2717 /* A general purpose syntax error. */
2718 #define gfc_syntax_error(ST) \
2719 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2721 void gfc_push_error (gfc_error_buf
*);
2722 void gfc_pop_error (gfc_error_buf
*);
2723 void gfc_free_error (gfc_error_buf
*);
2725 void gfc_get_errors (int *, int *);
2726 void gfc_errors_to_warnings (int);
2729 void gfc_arith_init_1 (void);
2730 void gfc_arith_done_1 (void);
2731 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2732 bool gfc_check_character_range (gfc_char_t
, int);
2735 bool gfc_check_any_c_kind (gfc_typespec
*);
2736 int gfc_validate_kind (bt
, int, bool);
2737 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2738 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2739 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2740 extern int gfc_index_integer_kind
;
2741 extern int gfc_default_integer_kind
;
2742 extern int gfc_max_integer_kind
;
2743 extern int gfc_default_real_kind
;
2744 extern int gfc_default_double_kind
;
2745 extern int gfc_default_character_kind
;
2746 extern int gfc_default_logical_kind
;
2747 extern int gfc_default_complex_kind
;
2748 extern int gfc_c_int_kind
;
2749 extern int gfc_atomic_int_kind
;
2750 extern int gfc_atomic_logical_kind
;
2751 extern int gfc_intio_kind
;
2752 extern int gfc_charlen_int_kind
;
2753 extern int gfc_numeric_storage_size
;
2754 extern int gfc_character_storage_size
;
2757 void gfc_clear_new_implicit (void);
2758 bool gfc_add_new_implicit_range (int, int);
2759 bool gfc_merge_new_implicit (gfc_typespec
*);
2760 void gfc_set_implicit_none (bool, bool, locus
*);
2761 void gfc_check_function_type (gfc_namespace
*);
2762 bool gfc_is_intrinsic_typename (const char *);
2764 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2765 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2767 void gfc_set_sym_referenced (gfc_symbol
*);
2769 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2770 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2771 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2772 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2773 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2774 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2775 bool gfc_add_external (symbol_attribute
*, locus
*);
2776 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2777 bool gfc_add_optional (symbol_attribute
*, locus
*);
2778 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2779 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2780 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2781 match
gfc_mod_pointee_as (gfc_array_spec
*);
2782 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2783 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2784 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2785 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2786 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2787 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2788 bool gfc_add_target (symbol_attribute
*, locus
*);
2789 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2790 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2791 bool gfc_add_common (symbol_attribute
*, locus
*);
2792 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2793 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2794 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2795 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2796 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2797 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2798 bool gfc_add_pure (symbol_attribute
*, locus
*);
2799 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2800 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2801 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2802 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2803 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2804 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2805 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2807 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2808 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2809 bool gfc_add_extension (symbol_attribute
*, locus
*);
2810 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2811 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2812 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2813 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2814 const char *, locus
*);
2815 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2816 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2817 gfc_formal_arglist
*, locus
*);
2818 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2820 void gfc_clear_attr (symbol_attribute
*);
2821 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2822 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2824 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2825 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2826 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2827 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2829 gfc_st_label
*gfc_get_st_label (int);
2830 void gfc_free_st_label (gfc_st_label
*);
2831 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2832 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2834 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2835 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2836 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2837 void gfc_delete_symtree (gfc_symtree
**, const char *);
2838 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2839 gfc_user_op
*gfc_get_uop (const char *);
2840 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2841 void gfc_free_symbol (gfc_symbol
*);
2842 void gfc_release_symbol (gfc_symbol
*);
2843 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2844 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2845 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2846 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2847 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2848 bool gfc_verify_c_interop (gfc_typespec
*);
2849 bool gfc_verify_c_interop_param (gfc_symbol
*);
2850 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2851 bool verify_bind_c_derived_type (gfc_symbol
*);
2852 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2853 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2854 const char *, gfc_symtree
*, bool);
2855 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2856 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2857 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2859 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2860 void gfc_drop_last_undo_checkpoint (void);
2861 void gfc_restore_last_undo_checkpoint (void);
2862 void gfc_undo_symbols (void);
2863 void gfc_commit_symbols (void);
2864 void gfc_commit_symbol (gfc_symbol
*);
2865 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2866 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2867 void gfc_free_namespace (gfc_namespace
*);
2869 void gfc_symbol_init_2 (void);
2870 void gfc_symbol_done_2 (void);
2872 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2873 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2874 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2875 void gfc_save_all (gfc_namespace
*);
2877 void gfc_enforce_clean_symbol_state (void);
2878 void gfc_free_dt_list (void);
2881 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2882 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2884 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2885 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2886 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2887 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2888 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2890 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
2891 gfc_actual_arglist
*);
2893 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2895 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2896 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2898 bool gfc_is_associate_pointer (gfc_symbol
*);
2899 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2900 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2902 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2903 extern bool gfc_init_expr_flag
;
2905 gfc_expr
*gfc_simplify_ieee_selected_real_kind (gfc_expr
*);
2907 /* Given a symbol that we have decided is intrinsic, mark it as such
2908 by placing it into a special module that is otherwise impossible to
2911 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2913 void gfc_intrinsic_init_1 (void);
2914 void gfc_intrinsic_done_1 (void);
2916 char gfc_type_letter (bt
);
2917 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2918 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2919 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2920 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2921 int gfc_generic_intrinsic (const char *);
2922 int gfc_specific_intrinsic (const char *);
2923 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2924 int gfc_intrinsic_actual_ok (const char *, const bool);
2925 gfc_intrinsic_sym
*gfc_find_function (const char *);
2926 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2927 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2928 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2929 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2930 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2933 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2934 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2936 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2937 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2940 /* match.c -- FIXME */
2941 void gfc_free_iterator (gfc_iterator
*, int);
2942 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2943 void gfc_free_alloc_list (gfc_alloc
*);
2944 void gfc_free_namelist (gfc_namelist
*);
2945 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2946 void gfc_free_equiv (gfc_equiv
*);
2947 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2948 void gfc_free_data (gfc_data
*);
2949 void gfc_free_case_list (gfc_case
*);
2951 /* matchexp.c -- FIXME too? */
2952 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2955 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2956 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2957 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2958 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2959 void gfc_free_omp_udr (gfc_omp_udr
*);
2960 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
2961 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2962 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2963 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2964 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2965 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2966 void gfc_resolve_omp_udrs (gfc_symtree
*);
2967 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2968 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2971 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2972 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2973 const char *gfc_extract_int (gfc_expr
*, int *);
2974 bool is_subref_array (gfc_expr
*);
2975 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2976 bool gfc_check_init_expr (gfc_expr
*);
2978 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2979 void gfc_free_ref_list (gfc_ref
*);
2980 void gfc_type_convert_binary (gfc_expr
*, int);
2981 int gfc_is_constant_expr (gfc_expr
*);
2982 bool gfc_simplify_expr (gfc_expr
*, int);
2983 int gfc_has_vector_index (gfc_expr
*);
2985 gfc_expr
*gfc_get_expr (void);
2986 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2987 gfc_expr
*gfc_get_null_expr (locus
*);
2988 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2989 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2990 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2991 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2992 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2993 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2994 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2996 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2997 void gfc_free_shape (mpz_t
**shape
, int rank
);
2998 void gfc_free_expr (gfc_expr
*);
2999 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3000 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3001 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3002 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3003 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3005 bool gfc_specification_expr (gfc_expr
*);
3007 int gfc_numeric_ts (gfc_typespec
*);
3008 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3010 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3011 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
3012 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
3013 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3015 bool gfc_has_default_initializer (gfc_symbol
*);
3016 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3017 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3018 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3019 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3021 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3023 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3024 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3026 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3027 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3029 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3030 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3032 bool gfc_ref_this_image (gfc_ref
*ref
);
3033 bool gfc_is_coindexed (gfc_expr
*);
3034 bool gfc_is_coarray (gfc_expr
*);
3035 int gfc_get_corank (gfc_expr
*);
3036 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3037 bool gfc_has_ultimate_pointer (gfc_expr
*);
3039 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3040 locus
, unsigned, ...);
3041 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3045 extern gfc_code new_st
;
3047 void gfc_clear_new_st (void);
3048 gfc_code
*gfc_get_code (gfc_exec_op
);
3049 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3050 void gfc_free_statement (gfc_code
*);
3051 void gfc_free_statements (gfc_code
*);
3052 void gfc_free_association_list (gfc_association_list
*);
3055 bool gfc_resolve_expr (gfc_expr
*);
3056 void gfc_resolve (gfc_namespace
*);
3057 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3058 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3059 int gfc_impure_variable (gfc_symbol
*);
3060 int gfc_pure (gfc_symbol
*);
3061 int gfc_implicit_pure (gfc_symbol
*);
3062 void gfc_unset_implicit_pure (gfc_symbol
*);
3063 int gfc_elemental (gfc_symbol
*);
3064 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3065 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3066 bool gfc_resolve_index (gfc_expr
*, int);
3067 bool gfc_resolve_dim_arg (gfc_expr
*);
3068 int gfc_is_formal_arg (void);
3069 void gfc_resolve_substring_charlen (gfc_expr
*);
3070 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3071 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3072 bool gfc_type_is_extensible (gfc_symbol
*);
3073 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3074 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3075 extern int gfc_do_concurrent_flag
;
3079 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3081 void gfc_free_array_spec (gfc_array_spec
*);
3082 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3084 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3085 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3086 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3088 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3090 void gfc_simplify_iterator_var (gfc_expr
*);
3091 bool gfc_expand_constructor (gfc_expr
*, bool);
3092 int gfc_constant_ac (gfc_expr
*);
3093 int gfc_expanded_ac (gfc_expr
*);
3094 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3095 bool gfc_resolve_array_constructor (gfc_expr
*);
3096 bool gfc_check_constructor_type (gfc_expr
*);
3097 bool gfc_check_iter_variable (gfc_expr
*);
3098 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3099 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3100 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3101 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3102 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3103 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3104 bool spec_size (gfc_array_spec
*, mpz_t
*);
3105 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3106 int gfc_is_compile_time_shape (gfc_array_spec
*);
3108 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3111 /* interface.c -- FIXME: some of these should be in symbol.c */
3112 void gfc_free_interface (gfc_interface
*);
3113 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3114 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3115 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3116 char *, int, const char *, const char *);
3117 void gfc_check_interfaces (gfc_namespace
*);
3118 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3119 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3120 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3121 gfc_actual_arglist
**);
3122 match
gfc_extend_expr (gfc_expr
*);
3123 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3124 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3125 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3126 bool gfc_add_interface (gfc_symbol
*);
3127 gfc_interface
*gfc_current_interface_head (void);
3128 void gfc_set_current_interface_head (gfc_interface
*);
3129 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3130 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3131 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3132 int gfc_has_vector_subscript (gfc_expr
*);
3133 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3134 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3137 extern gfc_st_label format_asterisk
;
3139 void gfc_free_open (gfc_open
*);
3140 bool gfc_resolve_open (gfc_open
*);
3141 void gfc_free_close (gfc_close
*);
3142 bool gfc_resolve_close (gfc_close
*);
3143 void gfc_free_filepos (gfc_filepos
*);
3144 bool gfc_resolve_filepos (gfc_filepos
*);
3145 void gfc_free_inquire (gfc_inquire
*);
3146 bool gfc_resolve_inquire (gfc_inquire
*);
3147 void gfc_free_dt (gfc_dt
*);
3148 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3149 void gfc_free_wait (gfc_wait
*);
3150 bool gfc_resolve_wait (gfc_wait
*);
3153 void gfc_module_init_2 (void);
3154 void gfc_module_done_2 (void);
3155 void gfc_dump_module (const char *, int);
3156 bool gfc_check_symbol_access (gfc_symbol
*);
3157 void gfc_free_use_stmts (gfc_use_list
*);
3160 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3161 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3162 match
gfc_match_rvalue (gfc_expr
**);
3163 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3164 int gfc_check_digit (char, int);
3165 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3166 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3168 gfc_actual_arglist
**, bool);
3171 void gfc_generate_code (gfc_namespace
*);
3172 void gfc_generate_module_code (gfc_namespace
*);
3174 /* trans-intrinsic.c */
3175 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3178 typedef int (*compare_fn
) (void *, void *);
3179 void gfc_insert_bbt (void *, void *, compare_fn
);
3180 void gfc_delete_bbt (void *, void *, compare_fn
);
3182 /* dump-parse-tree.c */
3183 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3186 bool gfc_parse_file (void);
3187 void gfc_global_used (gfc_gsymbol
*, locus
*);
3188 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3191 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3192 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3193 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3196 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3197 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3198 size_t*, size_t*, size_t*);
3201 void gfc_fix_class_refs (gfc_expr
*e
);
3202 void gfc_add_component_ref (gfc_expr
*, const char *);
3203 void gfc_add_class_array_ref (gfc_expr
*);
3204 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3205 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3206 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3207 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3208 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3209 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3210 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3211 bool gfc_is_class_scalar_expr (gfc_expr
*);
3212 bool gfc_is_class_container_ref (gfc_expr
*e
);
3213 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3214 unsigned int gfc_hash_value (gfc_symbol
*);
3215 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3217 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3218 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3219 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3220 const char*, bool, locus
*);
3221 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3222 const char*, bool, locus
*);
3223 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3224 gfc_intrinsic_op
, bool,
3226 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3227 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3229 #define CLASS_DATA(sym) sym->ts.u.derived->components
3230 #define UNLIMITED_POLY(sym) \
3231 (sym != NULL && sym->ts.type == BT_CLASS \
3232 && CLASS_DATA (sym) \
3233 && CLASS_DATA (sym)->ts.u.derived \
3234 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3236 /* frontend-passes.c */
3238 void gfc_run_passes (gfc_namespace
*);
3240 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3241 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3243 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3244 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3245 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3249 void gfc_convert_mpz_to_signed (mpz_t
, int);
3251 #endif /* GCC_GFORTRAN_H */