1 /* gfortran header file
2 Copyright (C) 2000-2013 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 /* Declarations common to the front-end and library are put in
35 libgfortran/libgfortran_frontend.h */
36 #include "libgfortran.h"
41 #include "splay-tree.h"
44 /* Major control parameters. */
46 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
47 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
49 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
52 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
55 #define stringize(x) expand_macro(x)
56 #define expand_macro(x) # x
58 /* For the runtime library, a standard prefix is a requirement to
59 avoid cluttering the namespace with things nobody asked for. It's
60 ugly to look at and a pain to type when you add the prefix by hand,
61 so we hide it behind a macro. */
62 #define PREFIX(x) "_gfortran_" x
65 /* A prefix for internal variables, which are not user-visible. */
66 #if !defined (NO_DOT_IN_LABEL)
67 # define GFC_PREFIX(x) "_F." x
68 #elif !defined (NO_DOLLAR_IN_LABEL)
69 # define GFC_PREFIX(x) "_F$" x
71 # define GFC_PREFIX(x) "_F_" x
74 #define BLANK_COMMON_NAME "__BLNK__"
76 /* Macro to initialize an mstring structure. */
77 #define minit(s, t) { s, NULL, t }
79 /* Structure for storing strings to be matched by gfc_match_string. */
90 /*************************** Enums *****************************/
92 /* Used when matching and resolving data I/O transfer statements. */
95 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
98 /* The author remains confused to this day about the convention of
99 returning '0' for 'SUCCESS'... or was it the other way around? The
100 following enum makes things much more readable. We also start
101 values off at one instead of zero. */
104 { SUCCESS
= 1, FAILURE
}
107 /* These are flags for identifying whether we are reading a character literal
108 between quotes or normal source code. */
111 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
114 /* This is returned by gfc_notification_std to know if, given the flags
115 that were given (-std=, -pedantic) we should issue an error, a warning
119 { SILENT
, WARNING
, ERROR
}
122 /* Matchers return one of these three values. The difference between
123 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
124 successful, but that something non-syntactic is wrong and an error
125 has already been issued. */
128 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
131 /* Used for different Fortran source forms in places like scanner.c. */
133 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
136 /* Expression node types. */
138 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
139 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
145 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
146 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
152 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
155 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
156 related to shared DO terminations and DO targets which are neither END DO
157 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
159 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
160 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
164 /* Intrinsic operators. */
166 { GFC_INTRINSIC_BEGIN
= 0,
167 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
168 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
169 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
170 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
171 /* ==, /=, >, >=, <, <= */
172 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
173 INTRINSIC_LT
, INTRINSIC_LE
,
174 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
175 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
176 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
177 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
178 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
182 /* This macro is the number of intrinsic operators that exist.
183 Assumptions are made about the numbering of the interface_op enums. */
184 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
186 /* Arithmetic results. */
188 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
189 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
196 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
197 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
198 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
199 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
200 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
201 ST_ENDDO
, ST_IMPLIED_ENDDO
,
202 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
203 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
204 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
205 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
206 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
207 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
208 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
209 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
210 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
211 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
212 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
213 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
214 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
215 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
216 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
217 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
218 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
219 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
220 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
221 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
222 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
,
223 ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
227 /* Types of interfaces that we can have. Assignment interfaces are
228 considered to be intrinsic operators. */
231 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
232 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
236 /* Symbol flavors: these are all mutually exclusive.
237 10 elements = 4 bits. */
238 typedef enum sym_flavor
240 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
241 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
246 /* Procedure types. 7 elements = 3 bits. */
247 typedef enum procedure_type
248 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
249 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
254 typedef enum sym_intent
255 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
260 typedef enum gfc_access
261 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
265 /* Flags to keep track of where an interface came from.
266 3 elements = 2 bits. */
268 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
269 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
270 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
271 with explicit interface. */
275 /* Whether a SAVE attribute was set explicitly or implicitly. */
276 typedef enum save_state
277 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
281 /* Strings for all symbol attributes. We use these for dumping the
282 parse tree, in error messages, and also when reading and writing
283 modules. In symbol.c. */
284 extern const mstring flavors
[];
285 extern const mstring procedures
[];
286 extern const mstring intents
[];
287 extern const mstring access_types
[];
288 extern const mstring ifsrc_types
[];
289 extern const mstring save_status
[];
291 /* Enumeration of all the generic intrinsic functions. Used by the
292 backend for identification of a function. */
296 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
297 the backend (e.g. KIND). */
334 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
335 GFC_ISYM_COMPILER_OPTIONS
,
336 GFC_ISYM_COMPILER_VERSION
,
346 GFC_ISYM_C_ASSOCIATED
,
347 GFC_ISYM_C_F_POINTER
,
348 GFC_ISYM_C_F_PROCPOINTER
,
352 GFC_ISYM_DATE_AND_TIME
,
356 GFC_ISYM_DOT_PRODUCT
,
365 GFC_ISYM_ERFC_SCALED
,
367 GFC_ISYM_EXECUTE_COMMAND_LINE
,
371 GFC_ISYM_EXTENDS_TYPE_OF
,
388 GFC_ISYM_GET_COMMAND
,
389 GFC_ISYM_GET_COMMAND_ARGUMENT
,
392 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
413 GFC_ISYM_IMAGE_INDEX
,
422 GFC_ISYM_IS_IOSTAT_END
,
423 GFC_ISYM_IS_IOSTAT_EOR
,
458 GFC_ISYM_MAXEXPONENT
,
466 GFC_ISYM_MINEXPONENT
,
491 GFC_ISYM_RANDOM_NUMBER
,
492 GFC_ISYM_RANDOM_SEED
,
501 GFC_ISYM_SAME_TYPE_AS
,
507 GFC_ISYM_SET_EXPONENT
,
527 GFC_ISYM_STORAGE_SIZE
,
533 GFC_ISYM_SYSTEM_CLOCK
,
557 typedef enum gfc_isym_id gfc_isym_id
;
562 GFC_INIT_REAL_OFF
= 0,
567 GFC_INIT_REAL_NEG_INF
573 GFC_INIT_LOGICAL_OFF
= 0,
574 GFC_INIT_LOGICAL_FALSE
,
575 GFC_INIT_LOGICAL_TRUE
581 GFC_INIT_CHARACTER_OFF
= 0,
582 GFC_INIT_CHARACTER_ON
584 init_local_character
;
588 GFC_INIT_INTEGER_OFF
= 0,
595 GFC_FCOARRAY_NONE
= 0,
610 /************************* Structures *****************************/
612 /* Used for keeping things in balanced binary trees. */
613 #define BBT_HEADER(self) int priority; struct self *left, *right
615 #define NAMED_INTCST(a,b,c,d) a,
616 #define NAMED_KINDARRAY(a,b,c,d) a,
617 #define NAMED_FUNCTION(a,b,c,d) a,
618 #define NAMED_SUBROUTINE(a,b,c,d) a,
619 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
622 ISOFORTRANENV_INVALID
= -1,
623 #include "iso-fortran-env.def"
624 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
626 iso_fortran_env_symbol
;
628 #undef NAMED_KINDARRAY
629 #undef NAMED_FUNCTION
630 #undef NAMED_SUBROUTINE
631 #undef NAMED_DERIVED_TYPE
633 #define NAMED_INTCST(a,b,c,d) a,
634 #define NAMED_REALCST(a,b,c,d) a,
635 #define NAMED_CMPXCST(a,b,c,d) a,
636 #define NAMED_LOGCST(a,b,c) a,
637 #define NAMED_CHARKNDCST(a,b,c) a,
638 #define NAMED_CHARCST(a,b,c) a,
639 #define DERIVED_TYPE(a,b,c) a,
640 #define NAMED_FUNCTION(a,b,c,d) a,
641 #define NAMED_SUBROUTINE(a,b,c,d) a,
644 ISOCBINDING_INVALID
= -1,
645 #include "iso-c-binding.def"
647 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
649 iso_c_binding_symbol
;
654 #undef NAMED_CHARKNDCST
657 #undef NAMED_FUNCTION
658 #undef NAMED_SUBROUTINE
662 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
668 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
669 int value
; /* Used for both integer and character values. */
674 /* Array of structs, where the structs represent the C interop kinds.
675 The list will be implemented based on a hash of the kind name since
676 these could be accessed multiple times.
677 Declared in trans-types.c as a global, since it's in that file
678 that the list is initialized. */
679 extern CInteropKind_t c_interop_kinds_table
[];
682 /* Structure and list of supported extension attributes. */
685 EXT_ATTR_DLLIMPORT
= 0,
690 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
698 const char *middle_end_name
;
702 extern const ext_attr_t ext_attr_list
[];
704 /* Symbol attribute structure. */
707 /* Variable attributes. */
708 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
709 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
710 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
711 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
714 /* For CLASS containers, the pointer attribute is sometimes set internally
715 even though it was not directly specified. In this case, keep the
716 "real" (original) value here. */
717 unsigned class_pointer
:1;
719 ENUM_BITFIELD (save_state
) save
:2;
721 unsigned data
:1, /* Symbol is named in a DATA statement. */
722 is_protected
:1, /* Symbol has been marked as protected. */
723 use_assoc
:1, /* Symbol has been use-associated. */
724 use_only
:1, /* Symbol has been use-associated, with ONLY. */
725 use_rename
:1, /* Symbol has been use-associated and renamed. */
726 imported
:1, /* Symbol has been associated by IMPORT. */
727 host_assoc
:1; /* Symbol has been host associated. */
729 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
730 unsigned function
:1, subroutine
:1, procedure
:1;
731 unsigned generic
:1, generic_copy
:1;
732 unsigned implicit_type
:1; /* Type defined via implicit rules. */
733 unsigned untyped
:1; /* No implicit type could be found. */
735 unsigned is_bind_c
:1; /* say if is bound to C. */
736 unsigned extension
:8; /* extension level of a derived type. */
737 unsigned is_class
:1; /* is a CLASS container. */
738 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
739 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
740 unsigned vtype
:1; /* is a derived type of a vtab. */
742 /* These flags are both in the typespec and attribute. The attribute
743 list is what gets read from/written to a module file. The typespec
744 is created from a decl being processed. */
745 unsigned is_c_interop
:1; /* It's c interoperable. */
746 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
748 /* Function/subroutine attributes */
749 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
750 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
752 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
753 which is relevant for private module procedures. */
754 unsigned public_used
:1;
756 /* This is set if a contained procedure could be declared pure. This is
757 used for certain optimizations that require the result or arguments
758 cannot alias. Note that this is zero for PURE procedures. */
759 unsigned implicit_pure
:1;
761 /* This is set if the subroutine doesn't return. Currently, this
762 is only possible for intrinsic subroutines. */
765 /* Set if this procedure is an alternate entry point. These procedures
766 don't have any code associated, and the backend will turn them into
767 thunks to the master function. */
770 /* Set if this is the master function for a procedure with multiple
772 unsigned entry_master
:1;
774 /* Set if this is the master function for a function with multiple
775 entry points where characteristics of the entry points differ. */
776 unsigned mixed_entry_master
:1;
778 /* Set if a function must always be referenced by an explicit interface. */
779 unsigned always_explicit
:1;
781 /* Set if the symbol is generated and, hence, standard violations
782 shouldn't be flaged. */
783 unsigned artificial
:1;
785 /* Set if the symbol has been referenced in an expression. No further
786 modification of type or type parameters is permitted. */
787 unsigned referenced
:1;
789 /* Set if this is the symbol for the main program. */
790 unsigned is_main_program
:1;
792 /* Mutually exclusive multibit attributes. */
793 ENUM_BITFIELD (gfc_access
) access
:2;
794 ENUM_BITFIELD (sym_intent
) intent
:2;
795 ENUM_BITFIELD (sym_flavor
) flavor
:4;
796 ENUM_BITFIELD (ifsrc
) if_source
:2;
798 ENUM_BITFIELD (procedure_type
) proc
:3;
800 /* Special attributes for Cray pointers, pointees. */
801 unsigned cray_pointer
:1, cray_pointee
:1;
803 /* The symbol is a derived type with allocatable components, pointer
804 components or private components, procedure pointer components,
805 possibly nested. zero_comp is true if the derived type has no
806 component at all. defined_assign_comp is true if the derived
807 type or a (sub-)component has a typebound defined assignment.
808 unlimited_polymorphic flags the type of the container for these
810 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
811 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
812 defined_assign_comp
:1, unlimited_polymorphic
:1;
814 /* This is a temporary selector for SELECT TYPE or an associate
815 variable for SELECT_TYPE or ASSOCIATE. */
816 unsigned select_type_temporary
:1, associate_var
:1;
818 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
819 unsigned ext_attr
:EXT_ATTR_NUM
;
821 /* The namespace where the attribute has been set. */
822 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
827 /* We need to store source lines as sequences of multibyte source
828 characters. We define here a type wide enough to hold any multibyte
829 source character, just like libcpp does. A 32-bit type is enough. */
831 #if HOST_BITS_PER_INT >= 32
832 typedef unsigned int gfc_char_t
;
833 #elif HOST_BITS_PER_LONG >= 32
834 typedef unsigned long gfc_char_t
;
835 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
836 typedef unsigned long long gfc_char_t
;
838 # error "Cannot find an integer type with at least 32 bits"
842 /* The following three structures are used to identify a location in
845 gfc_file is used to maintain a tree of the source files and how
846 they include each other
848 gfc_linebuf holds a single line of source code and information
849 which file it resides in
851 locus point to the sourceline and the character in the source
855 typedef struct gfc_file
857 struct gfc_file
*next
, *up
;
858 int inclusion_line
, line
;
862 typedef struct gfc_linebuf
864 source_location location
;
865 struct gfc_file
*file
;
866 struct gfc_linebuf
*next
;
874 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
876 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
884 /* In order for the "gfc" format checking to work correctly, you must
885 have declared a typedef locus first. */
886 #if GCC_VERSION >= 4001
887 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
889 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
893 /* Suppress error messages or re-enable them. */
895 void gfc_push_suppress_errors (void);
896 void gfc_pop_suppress_errors (void);
899 /* Character length structures hold the expression that gives the
900 length of a character variable. We avoid putting these into
901 gfc_typespec because doing so prevents us from doing structure
902 copies and forces us to deallocate any typespecs we create, as well
903 as structures that contain typespecs. They also can have multiple
904 character typespecs pointing to them.
906 These structures form a singly linked list within the current
907 namespace and are deallocated with the namespace. It is possible to
908 end up with gfc_charlen structures that have nothing pointing to them. */
910 typedef struct gfc_charlen
912 struct gfc_expr
*length
;
913 struct gfc_charlen
*next
;
914 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
916 tree passed_length
; /* Length argument explicitly passed. */
922 #define gfc_get_charlen() XCNEW (gfc_charlen)
924 /* Type specification structure. */
932 struct gfc_symbol
*derived
; /* For derived types only. */
933 gfc_charlen
*cl
; /* For character types only. */
934 int pad
; /* For hollerith types only. */
938 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
946 /* Array specification. */
949 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
951 array_type type
, cotype
;
952 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
954 /* These two fields are used with the Cray Pointer extension. */
955 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
956 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
957 AS_EXPLICIT, but we want to remember that we
963 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
966 /* Components of derived types. */
967 typedef struct gfc_component
972 symbol_attribute attr
;
976 /* Used to cache a FIELD_DECL matching this same component
977 but applied to a different backend containing type that was
978 generated by gfc_nonrestricted_type. */
979 tree norestrict_decl
;
981 struct gfc_expr
*initializer
;
982 struct gfc_component
*next
;
984 /* Needed for procedure pointer components. */
985 struct gfc_typebound_proc
*tb
;
989 #define gfc_get_component() XCNEW (gfc_component)
991 /* Formal argument lists are lists of symbols. */
992 typedef struct gfc_formal_arglist
994 /* Symbol representing the argument at this position in the arglist. */
995 struct gfc_symbol
*sym
;
996 /* Points to the next formal argument. */
997 struct gfc_formal_arglist
*next
;
1001 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1004 /* The gfc_actual_arglist structure is for actual arguments. */
1005 typedef struct gfc_actual_arglist
1008 /* Alternate return label when the expr member is null. */
1009 struct gfc_st_label
*label
;
1011 /* This is set to the type of an eventual omitted optional
1012 argument. This is used to determine if a hidden string length
1013 argument has to be added to a function call. */
1014 bt missing_arg_type
;
1016 struct gfc_expr
*expr
;
1017 struct gfc_actual_arglist
*next
;
1021 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1024 /* Because a symbol can belong to multiple namelists, they must be
1025 linked externally to the symbol itself. */
1026 typedef struct gfc_namelist
1028 struct gfc_symbol
*sym
;
1029 struct gfc_namelist
*next
;
1033 #define gfc_get_namelist() XCNEW (gfc_namelist)
1038 OMP_LIST_FIRSTPRIVATE
,
1039 OMP_LIST_LASTPRIVATE
,
1040 OMP_LIST_COPYPRIVATE
,
1044 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1056 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1060 /* Because a symbol can belong to multiple namelists, they must be
1061 linked externally to the symbol itself. */
1063 enum gfc_omp_sched_kind
1073 enum gfc_omp_default_sharing
1075 OMP_DEFAULT_UNKNOWN
,
1077 OMP_DEFAULT_PRIVATE
,
1079 OMP_DEFAULT_FIRSTPRIVATE
1082 typedef struct gfc_omp_clauses
1084 struct gfc_expr
*if_expr
;
1085 struct gfc_expr
*final_expr
;
1086 struct gfc_expr
*num_threads
;
1087 gfc_namelist
*lists
[OMP_LIST_NUM
];
1088 enum gfc_omp_sched_kind sched_kind
;
1089 struct gfc_expr
*chunk_size
;
1090 enum gfc_omp_default_sharing default_sharing
;
1092 bool nowait
, ordered
, untied
, mergeable
;
1096 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1099 /* The gfc_st_label structure is a BBT attached to a namespace that
1100 records the usage of statement labels within that space. */
1102 typedef struct gfc_st_label
1104 BBT_HEADER(gfc_st_label
);
1108 gfc_sl_type defined
, referenced
;
1110 struct gfc_expr
*format
;
1119 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1120 typedef struct gfc_interface
1122 struct gfc_symbol
*sym
;
1124 struct gfc_interface
*next
;
1128 #define gfc_get_interface() XCNEW (gfc_interface)
1130 /* User operator nodes. These are like stripped down symbols. */
1136 struct gfc_namespace
*ns
;
1142 /* A list of specific bindings that are associated with a generic spec. */
1143 typedef struct gfc_tbp_generic
1145 /* The parser sets specific_st, upon resolution we look for the corresponding
1146 gfc_typebound_proc and set specific for further use. */
1147 struct gfc_symtree
* specific_st
;
1148 struct gfc_typebound_proc
* specific
;
1150 struct gfc_tbp_generic
* next
;
1155 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1158 /* Data needed for type-bound procedures. */
1159 typedef struct gfc_typebound_proc
1161 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1165 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1166 gfc_tbp_generic
* generic
;
1171 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1173 /* The overridden type-bound proc (or GENERIC with this name in the
1174 parent-type) or NULL if non. */
1175 struct gfc_typebound_proc
* overridden
;
1177 /* Once resolved, we use the position of pass_arg in the formal arglist of
1178 the binding-target procedure to identify it. The first argument has
1179 number 1 here, the second 2, and so on. */
1180 unsigned pass_arg_num
;
1182 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1183 unsigned non_overridable
:1;
1184 unsigned deferred
:1;
1185 unsigned is_generic
:1;
1186 unsigned function
:1, subroutine
:1;
1187 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1193 /* Symbol nodes. These are important things. They are what the
1194 standard refers to as "entities". The possibly multiple names that
1195 refer to the same entity are accomplished by a binary tree of
1196 symtree structures that is balanced by the red-black method-- more
1197 than one symtree node can point to any given symbol. */
1199 typedef struct gfc_symbol
1201 const char *name
; /* Primary name, before renaming */
1202 const char *module
; /* Module this symbol came from */
1206 symbol_attribute attr
;
1208 /* The formal member points to the formal argument list if the
1209 symbol is a function or subroutine name. If the symbol is a
1210 generic name, the generic member points to the list of
1213 gfc_interface
*generic
;
1214 gfc_access component_access
;
1216 gfc_formal_arglist
*formal
;
1217 struct gfc_namespace
*formal_ns
;
1218 struct gfc_namespace
*f2k_derived
;
1220 struct gfc_expr
*value
; /* Parameter/Initializer value */
1222 struct gfc_symbol
*result
; /* function result symbol */
1223 gfc_component
*components
; /* Derived type components */
1225 /* Defined only for Cray pointees; points to their pointer. */
1226 struct gfc_symbol
*cp_pointer
;
1228 int entry_id
; /* Used in resolve.c for entries. */
1230 /* CLASS hashed name for declared and dynamic types in the class. */
1233 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1235 /* This is in fact a gfc_common_head but it is only used for pointer
1236 comparisons to check if symbols are in the same common block. */
1237 struct gfc_common_head
* common_head
;
1239 /* Make sure setup code for dummy arguments is generated in the correct
1243 gfc_namelist
*namelist
, *namelist_tail
;
1245 /* Change management fields. Symbols that might be modified by the
1246 current statement have the mark member nonzero and are kept in a
1247 singly linked list through the tlink field. Of these symbols,
1248 symbols with old_symbol equal to NULL are symbols created within
1249 the current statement. Otherwise, old_symbol points to a copy of
1252 struct gfc_symbol
*old_symbol
, *tlink
;
1253 unsigned mark
:1, gfc_new
:1;
1254 /* Nonzero if all equivalences associated with this symbol have been
1256 unsigned equiv_built
:1;
1257 /* Set if this variable is used as an index name in a FORALL. */
1258 unsigned forall_index
:1;
1259 /* Used to avoid multiple resolutions of a single symbol. */
1260 unsigned resolved
:1;
1263 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1267 /* Identity of the intrinsic module the symbol comes from, or
1268 INTMOD_NONE if it's not imported from a intrinsic module. */
1269 intmod_id from_intmod
;
1270 /* Identity of the symbol from intrinsic modules, from enums maintained
1271 separately by each intrinsic module. Used together with from_intmod,
1272 it uniquely identifies a symbol from an intrinsic module. */
1275 /* This may be repetitive, since the typespec now has a binding
1277 const char* binding_label
;
1278 /* Store a reference to the common_block, if this symbol is in one. */
1279 struct gfc_common_head
*common_block
;
1281 /* Link to corresponding association-list if this is an associate name. */
1282 struct gfc_association_list
*assoc
;
1287 struct gfc_undo_change_set
1289 vec
<gfc_symbol
*> syms
;
1290 vec
<gfc_typebound_proc
*> tbps
;
1291 gfc_undo_change_set
*previous
;
1295 /* This structure is used to keep track of symbols in common blocks. */
1296 typedef struct gfc_common_head
1299 char use_assoc
, saved
, threadprivate
;
1300 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1301 struct gfc_symbol
*head
;
1302 const char* binding_label
;
1308 #define gfc_get_common_head() XCNEW (gfc_common_head)
1311 /* A list of all the alternate entry points for a procedure. */
1313 typedef struct gfc_entry_list
1315 /* The symbol for this entry point. */
1317 /* The zero-based id of this entry point. */
1319 /* The LABEL_EXPR marking this entry point. */
1321 /* The next item in the list. */
1322 struct gfc_entry_list
*next
;
1326 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1328 /* Lists of rename info for the USE statement. */
1330 typedef struct gfc_use_rename
1332 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1333 struct gfc_use_rename
*next
;
1335 gfc_intrinsic_op op
;
1340 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1342 /* A list of all USE statements in a namespace. */
1344 typedef struct gfc_use_list
1346 const char *module_name
;
1350 struct gfc_use_rename
*rename
;
1352 /* Next USE statement. */
1353 struct gfc_use_list
*next
;
1357 #define gfc_get_use_list() XCNEW (gfc_use_list)
1359 /* Within a namespace, symbols are pointed to by symtree nodes that
1360 are linked together in a balanced binary tree. There can be
1361 several symtrees pointing to the same symbol node via USE
1364 typedef struct gfc_symtree
1366 BBT_HEADER (gfc_symtree
);
1371 gfc_symbol
*sym
; /* Symbol associated with this node */
1373 gfc_common_head
*common
;
1374 gfc_typebound_proc
*tb
;
1380 /* A linked list of derived types in the namespace. */
1381 typedef struct gfc_dt_list
1383 struct gfc_symbol
*derived
;
1384 struct gfc_dt_list
*next
;
1388 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1390 /* A list of all derived types. */
1391 extern gfc_dt_list
*gfc_derived_types
;
1393 /* A namespace describes the contents of procedure, module, interface block
1394 or BLOCK construct. */
1395 /* ??? Anything else use these? */
1397 typedef struct gfc_namespace
1399 /* Tree containing all the symbols in this namespace. */
1400 gfc_symtree
*sym_root
;
1401 /* Tree containing all the user-defined operators in the namespace. */
1402 gfc_symtree
*uop_root
;
1403 /* Tree containing all the common blocks. */
1404 gfc_symtree
*common_root
;
1406 /* Tree containing type-bound procedures. */
1407 gfc_symtree
*tb_sym_root
;
1408 /* Type-bound user operators. */
1409 gfc_symtree
*tb_uop_root
;
1410 /* For derived-types, store type-bound intrinsic operators here. */
1411 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1412 /* Linked list of finalizer procedures. */
1413 struct gfc_finalizer
*finalizers
;
1415 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1416 int set_flag
[GFC_LETTERS
];
1417 /* Keeps track of the implicit types associated with the letters. */
1418 gfc_typespec default_type
[GFC_LETTERS
];
1419 /* Store the positions of IMPLICIT statements. */
1420 locus implicit_loc
[GFC_LETTERS
];
1422 /* If this is a namespace of a procedure, this points to the procedure. */
1423 struct gfc_symbol
*proc_name
;
1424 /* If this is the namespace of a unit which contains executable
1425 code, this points to it. */
1426 struct gfc_code
*code
;
1428 /* Points to the equivalences set up in this namespace. */
1429 struct gfc_equiv
*equiv
, *old_equiv
;
1431 /* Points to the equivalence groups produced by trans_common. */
1432 struct gfc_equiv_list
*equiv_lists
;
1434 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1436 /* Points to the parent namespace, i.e. the namespace of a module or
1437 procedure in which the procedure belonging to this namespace is
1438 contained. The parent namespace points to this namespace either
1439 directly via CONTAINED, or indirectly via the chain built by
1441 struct gfc_namespace
*parent
;
1442 /* CONTAINED points to the first contained namespace. Sibling
1443 namespaces are chained via SIBLING. */
1444 struct gfc_namespace
*contained
, *sibling
;
1446 gfc_common_head blank_common
;
1447 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1449 gfc_st_label
*st_labels
;
1450 /* This list holds information about all the data initializers in
1452 struct gfc_data
*data
;
1454 gfc_charlen
*cl_list
, *old_cl_list
;
1456 gfc_dt_list
*derived_types
;
1458 int save_all
, seen_save
, seen_implicit_none
;
1460 /* Normally we don't need to refcount namespaces. However when we read
1461 a module containing a function with multiple entry points, this
1462 will appear as several functions with the same formal namespace. */
1465 /* A list of all alternate entry points to this procedure (or NULL). */
1466 gfc_entry_list
*entries
;
1468 /* A list of USE statements in this namespace. */
1469 gfc_use_list
*use_stmts
;
1471 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1472 unsigned is_block_data
:1;
1474 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1475 unsigned has_import_set
:1;
1477 /* Set to 1 if resolved has been called for this namespace.
1478 Holds -1 during resolution. */
1481 /* Set to 1 if code has been generated for this namespace. */
1482 unsigned translated
:1;
1484 /* Set to 1 if symbols in this namespace should be 'construct entities',
1485 i.e. for BLOCK local variables. */
1486 unsigned construct_entities
:1;
1490 extern gfc_namespace
*gfc_current_ns
;
1491 extern gfc_namespace
*gfc_global_ns_list
;
1493 /* Global symbols are symbols of global scope. Currently we only use
1494 this to detect collisions already when parsing.
1495 TODO: Extend to verify procedure calls. */
1497 enum gfc_symbol_type
1499 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1500 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1503 typedef struct gfc_gsymbol
1505 BBT_HEADER(gfc_gsymbol
);
1508 const char *sym_name
;
1509 const char *mod_name
;
1510 const char *binding_label
;
1511 enum gfc_symbol_type type
;
1519 extern gfc_gsymbol
*gfc_gsym_root
;
1521 /* Information on interfaces being built. */
1524 interface_type type
;
1528 gfc_intrinsic_op op
;
1532 extern gfc_interface_info current_interface
;
1535 /* Array reference. */
1537 enum gfc_array_ref_dimen_type
1539 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1542 typedef struct gfc_array_ref
1545 int dimen
; /* # of components in the reference */
1547 bool in_allocate
; /* For coarray checks. */
1551 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1552 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1553 *stride
[GFC_MAX_DIMENSIONS
];
1555 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1559 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1562 /* Component reference nodes. A variable is stored as an expression
1563 node that points to the base symbol. After that, a singly linked
1564 list of component reference nodes gives the variable's complete
1565 resolution. The array_ref component may be present and comes
1566 before the component component. */
1569 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1572 typedef struct gfc_ref
1578 struct gfc_array_ref ar
;
1582 gfc_component
*component
;
1589 struct gfc_expr
*start
, *end
; /* Substring */
1590 gfc_charlen
*length
;
1597 struct gfc_ref
*next
;
1601 #define gfc_get_ref() XCNEW (gfc_ref)
1604 /* Structures representing intrinsic symbols and their arguments lists. */
1605 typedef struct gfc_intrinsic_arg
1607 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1610 unsigned optional
:1, value
:1;
1611 ENUM_BITFIELD (sym_intent
) intent
:2;
1612 gfc_actual_arglist
*actual
;
1614 struct gfc_intrinsic_arg
*next
;
1620 /* Specifies the various kinds of check functions used to verify the
1621 argument lists of intrinsic functions. fX with X an integer refer
1622 to check functions of intrinsics with X arguments. f1m is used for
1623 the MAX and MIN intrinsics which can have an arbitrary number of
1624 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1625 these have special semantics. */
1629 gfc_try (*f0
)(void);
1630 gfc_try (*f1
)(struct gfc_expr
*);
1631 gfc_try (*f1m
)(gfc_actual_arglist
*);
1632 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1633 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1634 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1635 gfc_try (*f3red
)(gfc_actual_arglist
*);
1636 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1638 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1639 struct gfc_expr
*, struct gfc_expr
*);
1643 /* Like gfc_check_f, these specify the type of the simplification
1644 function associated with an intrinsic. The fX are just like in
1645 gfc_check_f. cc is used for type conversion functions. */
1649 struct gfc_expr
*(*f0
)(void);
1650 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1651 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1652 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1654 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1655 struct gfc_expr
*, struct gfc_expr
*);
1656 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1657 struct gfc_expr
*, struct gfc_expr
*,
1659 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1663 /* Again like gfc_check_f, these specify the type of the resolution
1664 function associated with an intrinsic. The fX are just like in
1665 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1669 void (*f0
)(struct gfc_expr
*);
1670 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1671 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1672 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1673 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1675 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1676 struct gfc_expr
*, struct gfc_expr
*);
1677 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1678 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1679 void (*s1
)(struct gfc_code
*);
1684 typedef struct gfc_intrinsic_sym
1686 const char *name
, *lib_name
;
1687 gfc_intrinsic_arg
*formal
;
1689 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1690 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1695 gfc_simplify_f simplify
;
1697 gfc_resolve_f resolve
;
1698 struct gfc_intrinsic_sym
*specific_head
, *next
;
1705 /* Expression nodes. The expression node types deserve explanations,
1706 since the last couple can be easily misconstrued:
1708 EXPR_OP Operator node pointing to one or two other nodes
1709 EXPR_FUNCTION Function call, symbol points to function's name
1710 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1711 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1712 which expresses structure, array and substring refs.
1713 EXPR_NULL The NULL pointer value (which also has a basic type).
1714 EXPR_SUBSTRING A substring of a constant string
1715 EXPR_STRUCTURE A structure constructor
1716 EXPR_ARRAY An array constructor.
1717 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1718 component or type-bound procedure. */
1722 #define GFC_RND_MODE GMP_RNDN
1723 #define GFC_MPC_RND_MODE MPC_RNDNN
1725 typedef splay_tree gfc_constructor_base
;
1727 typedef struct gfc_expr
1731 gfc_typespec ts
; /* These two refer to the overall expression */
1733 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1734 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1736 /* Nonnull for functions and structure constructors, may also used to hold the
1737 base-object for component calls. */
1738 gfc_symtree
*symtree
;
1744 /* Used to store the base expression in component calls, when the expression
1745 is not a variable. */
1746 struct gfc_expr
*base_expr
;
1748 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1749 denotes a signalling not-a-number. */
1750 unsigned int is_boz
: 1, is_snan
: 1;
1752 /* Sometimes, when an error has been emitted, it is necessary to prevent
1753 it from recurring. */
1754 unsigned int error
: 1;
1756 /* Mark an expression where a user operator has been substituted by
1757 a function call in interface.c(gfc_extend_expr). */
1758 unsigned int user_operator
: 1;
1760 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1761 unsigned int mold
: 1;
1763 /* If an expression comes from a Hollerith constant or compile-time
1764 evaluation of a transfer statement, it may have a prescribed target-
1765 memory representation, and these cannot always be backformed from
1788 gfc_intrinsic_op op
;
1790 struct gfc_expr
*op1
, *op2
;
1796 gfc_actual_arglist
*actual
;
1797 const char *name
; /* Points to the ultimate name of the function */
1798 gfc_intrinsic_sym
*isym
;
1805 gfc_actual_arglist
* actual
;
1807 /* Base-object, whose component was called. NULL means that it should
1808 be taken from symtree/ref. */
1809 struct gfc_expr
* base_object
;
1810 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1812 /* For type-bound operators, we want to call PASS procedures but already
1813 have the full arglist; mark this, so that it is not extended by the
1815 unsigned ignore_pass
:1;
1817 /* Do assign-calls rather than calls, that is appropriate dependency
1830 gfc_constructor_base constructor
;
1838 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1840 /* Structures for information associated with different kinds of
1841 numbers. The first set of integer parameters define all there is
1842 to know about a particular kind. The rest of the elements are
1843 computed from the first elements. */
1847 /* Values really representable by the target. */
1848 mpz_t huge
, pedantic_min_int
, min_int
;
1850 int kind
, radix
, digits
, bit_size
, range
;
1852 /* True if the C type of the given name maps to this precision.
1853 Note that more than one bit can be set. */
1854 unsigned int c_char
: 1;
1855 unsigned int c_short
: 1;
1856 unsigned int c_int
: 1;
1857 unsigned int c_long
: 1;
1858 unsigned int c_long_long
: 1;
1862 extern gfc_integer_info gfc_integer_kinds
[];
1869 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1870 unsigned int c_bool
: 1;
1874 extern gfc_logical_info gfc_logical_kinds
[];
1879 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1880 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1881 int range
, precision
;
1883 /* The precision of the type as reported by GET_MODE_PRECISION. */
1886 /* True if the C type of the given name maps to this precision.
1887 Note that more than one bit can be set. */
1888 unsigned int c_float
: 1;
1889 unsigned int c_double
: 1;
1890 unsigned int c_long_double
: 1;
1891 unsigned int c_float128
: 1;
1895 extern gfc_real_info gfc_real_kinds
[];
1904 extern gfc_character_info gfc_character_kinds
[];
1907 /* Equivalence structures. Equivalent lvalues are linked along the
1908 *eq pointer, equivalence sets are strung along the *next node. */
1909 typedef struct gfc_equiv
1911 struct gfc_equiv
*next
, *eq
;
1918 #define gfc_get_equiv() XCNEW (gfc_equiv)
1920 /* Holds a single equivalence member after processing. */
1921 typedef struct gfc_equiv_info
1924 HOST_WIDE_INT offset
;
1925 HOST_WIDE_INT length
;
1926 struct gfc_equiv_info
*next
;
1929 /* Holds equivalence groups, after they have been processed. */
1930 typedef struct gfc_equiv_list
1932 gfc_equiv_info
*equiv
;
1933 struct gfc_equiv_list
*next
;
1936 /* gfc_case stores the selector list of a case statement. The *low
1937 and *high pointers can point to the same expression in the case of
1938 a single value. If *high is NULL, the selection is from *low
1939 upwards, if *low is NULL the selection is *high downwards.
1941 This structure has separate fields to allow single and double linked
1942 lists of CASEs at the same time. The singe linked list along the NEXT
1943 field is a list of cases for a single CASE label. The double linked
1944 list along the LEFT/RIGHT fields is used to detect overlap and to
1945 build a table of the cases for SELECT constructs with a CHARACTER
1948 typedef struct gfc_case
1950 /* Where we saw this case. */
1954 /* Case range values. If (low == high), it's a single value. If one of
1955 the labels is NULL, it's an unbounded case. If both are NULL, this
1956 represents the default case. */
1957 gfc_expr
*low
, *high
;
1959 /* Only used for SELECT TYPE. */
1962 /* Next case label in the list of cases for a single CASE label. */
1963 struct gfc_case
*next
;
1965 /* Used for detecting overlap, and for code generation. */
1966 struct gfc_case
*left
, *right
;
1968 /* True if this case label can never be matched. */
1973 #define gfc_get_case() XCNEW (gfc_case)
1978 gfc_expr
*var
, *start
, *end
, *step
;
1982 #define gfc_get_iterator() XCNEW (gfc_iterator)
1985 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1987 typedef struct gfc_alloc
1990 struct gfc_alloc
*next
;
1994 #define gfc_get_alloc() XCNEW (gfc_alloc)
1999 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2000 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2001 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2009 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2017 gfc_expr
*unit
, *iostat
, *iomsg
;
2025 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2026 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2027 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2028 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2029 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2040 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2041 gfc_st_label
*err
, *end
, *eor
;
2048 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2049 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2050 *sign
, *extra_comma
, *dt_io_kind
;
2052 gfc_symbol
*namelist
;
2053 /* A format_label of `format_asterisk' indicates the "*" format */
2054 gfc_st_label
*format_label
;
2055 gfc_st_label
*err
, *end
, *eor
;
2057 locus eor_where
, end_where
, err_where
;
2062 typedef struct gfc_forall_iterator
2064 gfc_expr
*var
, *start
, *end
, *stride
;
2065 struct gfc_forall_iterator
*next
;
2067 gfc_forall_iterator
;
2070 /* Linked list to store associations in an ASSOCIATE statement. */
2072 typedef struct gfc_association_list
2074 struct gfc_association_list
*next
;
2076 /* Whether this is association to a variable that can be changed; otherwise,
2077 it's association to an expression and the name may not be used as
2079 unsigned variable
:1;
2081 /* True if this struct is currently only linked to from a gfc_symbol rather
2082 than as part of a real list in gfc_code->ext.block.assoc. This may
2083 happen for SELECT TYPE temporaries and must be considered
2084 for memory handling. */
2085 unsigned dangling
:1;
2087 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2088 gfc_symtree
*st
; /* Symtree corresponding to name. */
2093 gfc_association_list
;
2094 #define gfc_get_association_list() XCNEW (gfc_association_list)
2097 /* Executable statements that fill gfc_code structures. */
2100 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2101 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2102 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2103 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2104 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2105 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2106 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2107 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2108 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2109 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2110 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2111 EXEC_LOCK
, EXEC_UNLOCK
,
2112 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2113 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2114 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2115 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2116 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2117 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2124 GFC_OMP_ATOMIC_UPDATE
,
2125 GFC_OMP_ATOMIC_READ
,
2126 GFC_OMP_ATOMIC_WRITE
,
2127 GFC_OMP_ATOMIC_CAPTURE
2131 typedef struct gfc_code
2135 struct gfc_code
*block
, *next
;
2138 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2139 gfc_symtree
*symtree
;
2140 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2141 /* A name isn't sufficient to identify a subroutine, we need the actual
2142 symbol for the interface definition.
2143 const char *sub_name; */
2144 gfc_symbol
*resolved_sym
;
2145 gfc_intrinsic_sym
*resolved_isym
;
2149 gfc_actual_arglist
*actual
;
2150 gfc_iterator
*iterator
;
2162 gfc_association_list
*assoc
;
2163 gfc_case
*case_list
;
2169 gfc_filepos
*filepos
;
2170 gfc_inquire
*inquire
;
2173 gfc_forall_iterator
*forall_iterator
;
2174 struct gfc_code
*which_construct
;
2176 gfc_entry_list
*entry
;
2177 gfc_omp_clauses
*omp_clauses
;
2178 const char *omp_name
;
2179 gfc_namelist
*omp_namelist
;
2181 gfc_omp_atomic_op omp_atomic
;
2183 ext
; /* Points to additional structures required by statement */
2185 /* Cycle and break labels in constructs. */
2192 /* Storage for DATA statements. */
2193 typedef struct gfc_data_variable
2197 struct gfc_data_variable
*list
, *next
;
2202 typedef struct gfc_data_value
2206 struct gfc_data_value
*next
;
2211 typedef struct gfc_data
2213 gfc_data_variable
*var
;
2214 gfc_data_value
*value
;
2217 struct gfc_data
*next
;
2222 /* Structure for holding compile options */
2226 gfc_source_form source_form
;
2227 /* Maximum line lengths in fixed- and free-form source, respectively.
2228 When fixed_line_length or free_line_length are 0, the whole line is used,
2229 regardless of length.
2231 If the user requests a fixed_line_length <7 then gfc_init_options()
2232 emits a fatal error. */
2233 int fixed_line_length
;
2234 int free_line_length
;
2235 /* Maximum number of continuation lines in fixed- and free-form source,
2237 int max_continue_fixed
;
2238 int max_continue_free
;
2239 int max_identifier_length
;
2240 int dump_fortran_original
;
2241 int dump_fortran_optimized
;
2245 int gfc_warn_conversion
;
2246 int warn_c_binding_type
;
2247 int warn_conversion_extra
;
2248 int warn_function_elimination
;
2249 int warn_implicit_interface
;
2250 int warn_implicit_procedure
;
2251 int warn_line_truncation
;
2252 int warn_surprising
;
2255 int warn_intrinsic_shadow
;
2256 int warn_intrinsics_std
;
2257 int warn_character_truncation
;
2258 int warn_array_temp
;
2259 int warn_align_commons
;
2260 int warn_real_q_constant
;
2261 int warn_unused_dummy_argument
;
2262 int warn_realloc_lhs
;
2263 int warn_realloc_lhs_all
;
2264 int warn_compare_reals
;
2265 int warn_target_lifetime
;
2268 int flag_all_intrinsics
;
2269 int flag_default_double
;
2270 int flag_default_integer
;
2271 int flag_default_real
;
2272 int flag_integer4_kind
;
2273 int flag_real4_kind
;
2274 int flag_real8_kind
;
2276 int flag_underscoring
;
2277 int flag_second_underscore
;
2278 int flag_implicit_none
;
2279 int flag_max_stack_var_size
;
2280 int flag_max_array_constructor
;
2281 int flag_range_check
;
2282 int flag_pack_derived
;
2283 int flag_repack_arrays
;
2284 int flag_preprocessed
;
2289 int flag_allow_leading_underscore
;
2290 int flag_external_blas
;
2291 int blas_matmul_limit
;
2292 int flag_cray_pointer
;
2294 int gfc_flag_openmp
;
2296 int flag_stack_arrays
;
2297 int flag_module_private
;
2299 int flag_init_local_zero
;
2300 int flag_init_integer
;
2301 int flag_init_integer_value
;
2303 int flag_init_logical
;
2304 int flag_init_character
;
2305 char flag_init_character_value
;
2306 int flag_align_commons
;
2307 int flag_protect_parens
;
2308 int flag_realloc_lhs
;
2309 int flag_aggressive_function_elimination
;
2310 int flag_frontend_optimize
;
2314 gfc_fcoarray coarray
;
2320 int max_subrecord_length
;
2324 extern gfc_option_t gfc_option
;
2326 /* Constructor nodes for array and structure constructors. */
2327 typedef struct gfc_constructor
2329 gfc_constructor_base base
;
2330 mpz_t offset
; /* Offset within a constructor, used as
2334 gfc_iterator
*iterator
;
2339 gfc_component
*component
; /* Record the component being initialized. */
2342 mpz_t repeat
; /* Record the repeat number of initial values in data
2343 statement like "data a/5*10/". */
2348 typedef struct iterator_stack
2350 gfc_symtree
*variable
;
2352 struct iterator_stack
*prev
;
2355 extern iterator_stack
*iter_stack
;
2358 /* Used for (possibly nested) SELECT TYPE statements. */
2359 typedef struct gfc_select_type_stack
2361 gfc_symbol
*selector
; /* Current selector variable. */
2362 gfc_symtree
*tmp
; /* Current temporary variable. */
2363 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2365 gfc_select_type_stack
;
2366 extern gfc_select_type_stack
*select_type_stack
;
2367 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2370 /* Node in the linked list used for storing finalizer procedures. */
2372 typedef struct gfc_finalizer
2374 struct gfc_finalizer
* next
;
2375 locus where
; /* Where the FINAL declaration occurred. */
2377 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2378 symtree and later need only that. This way, we can access and call the
2379 finalizers from every context as they should be "always accessible". I
2380 don't make this a union because we need the information whether proc_sym is
2381 still referenced or not for dereferencing it on deleting a gfc_finalizer
2383 gfc_symbol
* proc_sym
;
2384 gfc_symtree
* proc_tree
;
2387 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2390 /************************ Function prototypes *************************/
2393 bool gfc_in_match_data (void);
2394 match
gfc_match_char_spec (gfc_typespec
*);
2397 void gfc_scanner_done_1 (void);
2398 void gfc_scanner_init_1 (void);
2400 void gfc_add_include_path (const char *, bool, bool, bool);
2401 void gfc_add_intrinsic_modules_path (const char *);
2402 void gfc_release_include_path (void);
2403 FILE *gfc_open_included_file (const char *, bool, bool);
2404 FILE *gfc_open_intrinsic_module (const char *);
2406 int gfc_at_end (void);
2407 int gfc_at_eof (void);
2408 int gfc_at_bol (void);
2409 int gfc_at_eol (void);
2410 void gfc_advance_line (void);
2411 int gfc_check_include (void);
2412 int gfc_define_undef_line (void);
2414 int gfc_wide_is_printable (gfc_char_t
);
2415 int gfc_wide_is_digit (gfc_char_t
);
2416 int gfc_wide_fits_in_byte (gfc_char_t
);
2417 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2418 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2419 size_t gfc_wide_strlen (const gfc_char_t
*);
2420 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2421 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2422 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2423 gfc_char_t
*gfc_char_to_widechar (const char *);
2425 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2427 void gfc_skip_comments (void);
2428 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2429 gfc_char_t
gfc_next_char (void);
2430 char gfc_next_ascii_char (void);
2431 gfc_char_t
gfc_peek_char (void);
2432 char gfc_peek_ascii_char (void);
2433 void gfc_error_recovery (void);
2434 void gfc_gobble_whitespace (void);
2435 gfc_try
gfc_new_file (void);
2436 const char * gfc_read_orig_filename (const char *, const char **);
2438 extern gfc_source_form gfc_current_form
;
2439 extern const char *gfc_source_file
;
2440 extern locus gfc_current_locus
;
2442 void gfc_start_source_files (void);
2443 void gfc_end_source_files (void);
2446 int gfc_terminal_width (void);
2447 void gfc_clear_ts (gfc_typespec
*);
2448 FILE *gfc_open_file (const char *);
2449 const char *gfc_basic_typename (bt
);
2450 const char *gfc_typename (gfc_typespec
*);
2451 const char *gfc_op2string (gfc_intrinsic_op
);
2452 const char *gfc_code2string (const mstring
*, int);
2453 int gfc_string2code (const mstring
*, const char *);
2454 const char *gfc_intent_string (sym_intent
);
2456 void gfc_init_1 (void);
2457 void gfc_init_2 (void);
2458 void gfc_done_1 (void);
2459 void gfc_done_2 (void);
2461 int get_c_kind (const char *, CInteropKind_t
*);
2464 unsigned int gfc_option_lang_mask (void);
2465 void gfc_init_options_struct (struct gcc_options
*);
2466 void gfc_init_options (unsigned int,
2467 struct cl_decoded_option
*);
2468 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2469 const struct cl_option_handlers
*);
2470 bool gfc_post_options (const char **);
2471 char *gfc_get_option_string (void);
2474 void gfc_maybe_initialize_eh (void);
2477 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2478 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2482 typedef struct gfc_error_buf
2485 size_t allocated
, index
;
2489 void gfc_error_init_1 (void);
2490 void gfc_buffer_error (int);
2492 const char *gfc_print_wide_char (gfc_char_t
);
2494 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2495 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2496 void gfc_clear_warning (void);
2497 void gfc_warning_check (void);
2499 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2500 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2501 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2502 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2503 void gfc_clear_error (void);
2504 int gfc_error_check (void);
2505 int gfc_error_flag_test (void);
2507 notification
gfc_notification_std (int);
2508 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2510 /* A general purpose syntax error. */
2511 #define gfc_syntax_error(ST) \
2512 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2514 void gfc_push_error (gfc_error_buf
*);
2515 void gfc_pop_error (gfc_error_buf
*);
2516 void gfc_free_error (gfc_error_buf
*);
2518 void gfc_get_errors (int *, int *);
2519 void gfc_errors_to_warnings (int);
2522 void gfc_arith_init_1 (void);
2523 void gfc_arith_done_1 (void);
2524 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2525 bool gfc_check_character_range (gfc_char_t
, int);
2528 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2529 int gfc_validate_kind (bt
, int, bool);
2530 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2531 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2532 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2533 extern int gfc_index_integer_kind
;
2534 extern int gfc_default_integer_kind
;
2535 extern int gfc_max_integer_kind
;
2536 extern int gfc_default_real_kind
;
2537 extern int gfc_default_double_kind
;
2538 extern int gfc_default_character_kind
;
2539 extern int gfc_default_logical_kind
;
2540 extern int gfc_default_complex_kind
;
2541 extern int gfc_c_int_kind
;
2542 extern int gfc_atomic_int_kind
;
2543 extern int gfc_atomic_logical_kind
;
2544 extern int gfc_intio_kind
;
2545 extern int gfc_charlen_int_kind
;
2546 extern int gfc_numeric_storage_size
;
2547 extern int gfc_character_storage_size
;
2550 void gfc_clear_new_implicit (void);
2551 gfc_try
gfc_add_new_implicit_range (int, int);
2552 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2553 void gfc_set_implicit_none (void);
2554 void gfc_check_function_type (gfc_namespace
*);
2555 bool gfc_is_intrinsic_typename (const char *);
2557 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2558 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2560 void gfc_set_sym_referenced (gfc_symbol
*);
2562 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2563 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2564 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2565 gfc_try
gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2566 gfc_try
gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2567 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2568 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2569 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2570 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2571 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2572 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2573 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2574 match
gfc_mod_pointee_as (gfc_array_spec
*);
2575 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2576 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2577 gfc_try
gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2578 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2579 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2580 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2581 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2582 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2583 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2584 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2585 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2586 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2587 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2588 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2589 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2590 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2591 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2592 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2593 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2594 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2595 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2596 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2597 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2599 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2600 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2601 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2602 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2603 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2604 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2605 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2606 const char *, locus
*);
2607 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2608 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2609 gfc_formal_arglist
*, locus
*);
2610 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2612 void gfc_clear_attr (symbol_attribute
*);
2613 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2614 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2616 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2617 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2618 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2619 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2621 gfc_st_label
*gfc_get_st_label (int);
2622 void gfc_free_st_label (gfc_st_label
*);
2623 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2624 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2626 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2627 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2628 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2629 void gfc_delete_symtree (gfc_symtree
**, const char *);
2630 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2631 gfc_user_op
*gfc_get_uop (const char *);
2632 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2633 void gfc_free_symbol (gfc_symbol
*);
2634 void gfc_release_symbol (gfc_symbol
*);
2635 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2636 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2637 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2638 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2639 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2640 gfc_try
gfc_verify_c_interop (gfc_typespec
*);
2641 gfc_try
gfc_verify_c_interop_param (gfc_symbol
*);
2642 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2643 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2644 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2645 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2646 const char *, gfc_symtree
*, bool);
2647 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2648 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2649 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2651 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2652 void gfc_drop_last_undo_checkpoint (void);
2653 void gfc_restore_last_undo_checkpoint (void);
2654 void gfc_undo_symbols (void);
2655 void gfc_commit_symbols (void);
2656 void gfc_commit_symbol (gfc_symbol
*);
2657 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2658 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2659 void gfc_free_namespace (gfc_namespace
*);
2661 void gfc_symbol_init_2 (void);
2662 void gfc_symbol_done_2 (void);
2664 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2665 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2666 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2667 void gfc_save_all (gfc_namespace
*);
2669 void gfc_enforce_clean_symbol_state (void);
2670 void gfc_free_dt_list (void);
2673 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2674 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2676 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2677 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2678 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2679 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2680 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2682 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2684 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2686 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2687 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2689 bool gfc_is_associate_pointer (gfc_symbol
*);
2690 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2691 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2693 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2694 extern bool gfc_init_expr_flag
;
2696 /* Given a symbol that we have decided is intrinsic, mark it as such
2697 by placing it into a special module that is otherwise impossible to
2700 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2702 void gfc_intrinsic_init_1 (void);
2703 void gfc_intrinsic_done_1 (void);
2705 char gfc_type_letter (bt
);
2706 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2707 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2708 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2709 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2710 int gfc_generic_intrinsic (const char *);
2711 int gfc_specific_intrinsic (const char *);
2712 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2713 int gfc_intrinsic_actual_ok (const char *, const bool);
2714 gfc_intrinsic_sym
*gfc_find_function (const char *);
2715 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2716 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2717 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2718 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2719 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2722 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2723 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2725 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2726 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2729 /* match.c -- FIXME */
2730 void gfc_free_iterator (gfc_iterator
*, int);
2731 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2732 void gfc_free_alloc_list (gfc_alloc
*);
2733 void gfc_free_namelist (gfc_namelist
*);
2734 void gfc_free_equiv (gfc_equiv
*);
2735 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2736 void gfc_free_data (gfc_data
*);
2737 void gfc_free_case_list (gfc_case
*);
2739 /* matchexp.c -- FIXME too? */
2740 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2743 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2744 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2745 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2746 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2747 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2748 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2749 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2750 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2753 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2754 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2755 const char *gfc_extract_int (gfc_expr
*, int *);
2756 bool is_subref_array (gfc_expr
*);
2757 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2758 gfc_try
gfc_check_init_expr (gfc_expr
*);
2760 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2761 void gfc_free_ref_list (gfc_ref
*);
2762 void gfc_type_convert_binary (gfc_expr
*, int);
2763 int gfc_is_constant_expr (gfc_expr
*);
2764 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2765 int gfc_has_vector_index (gfc_expr
*);
2767 gfc_expr
*gfc_get_expr (void);
2768 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2769 gfc_expr
*gfc_get_null_expr (locus
*);
2770 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2771 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2772 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2773 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2774 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2775 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2776 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2778 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2779 void gfc_free_shape (mpz_t
**shape
, int rank
);
2780 void gfc_free_expr (gfc_expr
*);
2781 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2782 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2783 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2784 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2785 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2787 gfc_try
gfc_specification_expr (gfc_expr
*);
2789 int gfc_numeric_ts (gfc_typespec
*);
2790 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2792 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2793 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2794 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2795 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2797 bool gfc_has_default_initializer (gfc_symbol
*);
2798 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2799 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2800 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2801 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2803 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2805 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2806 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2808 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2809 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2811 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2812 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2814 bool gfc_ref_this_image (gfc_ref
*ref
);
2815 bool gfc_is_coindexed (gfc_expr
*);
2816 bool gfc_is_coarray (gfc_expr
*);
2817 int gfc_get_corank (gfc_expr
*);
2818 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2819 bool gfc_has_ultimate_pointer (gfc_expr
*);
2821 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
2822 locus
, unsigned, ...);
2823 gfc_try
gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
2827 extern gfc_code new_st
;
2829 void gfc_clear_new_st (void);
2830 gfc_code
*gfc_get_code (void);
2831 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2832 void gfc_free_statement (gfc_code
*);
2833 void gfc_free_statements (gfc_code
*);
2834 void gfc_free_association_list (gfc_association_list
*);
2837 gfc_try
gfc_resolve_expr (gfc_expr
*);
2838 void gfc_resolve (gfc_namespace
*);
2839 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2840 int gfc_impure_variable (gfc_symbol
*);
2841 int gfc_pure (gfc_symbol
*);
2842 int gfc_implicit_pure (gfc_symbol
*);
2843 int gfc_elemental (gfc_symbol
*);
2844 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool, bool);
2845 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2846 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2847 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2848 int gfc_is_formal_arg (void);
2849 void gfc_resolve_substring_charlen (gfc_expr
*);
2850 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2851 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2852 bool gfc_type_is_extensible (gfc_symbol
*);
2853 gfc_try
gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2857 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2859 void gfc_free_array_spec (gfc_array_spec
*);
2860 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2862 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2863 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2864 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2866 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2868 void gfc_simplify_iterator_var (gfc_expr
*);
2869 gfc_try
gfc_expand_constructor (gfc_expr
*, bool);
2870 int gfc_constant_ac (gfc_expr
*);
2871 int gfc_expanded_ac (gfc_expr
*);
2872 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2873 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2874 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2875 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2876 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2877 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2878 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2879 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2880 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2881 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2882 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2883 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2884 int gfc_is_compile_time_shape (gfc_array_spec
*);
2886 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
2889 /* interface.c -- FIXME: some of these should be in symbol.c */
2890 void gfc_free_interface (gfc_interface
*);
2891 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2892 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2893 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2894 char *, int, const char *, const char *);
2895 void gfc_check_interfaces (gfc_namespace
*);
2896 gfc_try
gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2897 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2898 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2899 gfc_actual_arglist
**);
2900 match
gfc_extend_expr (gfc_expr
*);
2901 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2902 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2903 gfc_try
gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
2904 gfc_try
gfc_add_interface (gfc_symbol
*);
2905 gfc_interface
*gfc_current_interface_head (void);
2906 void gfc_set_current_interface_head (gfc_interface
*);
2907 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2908 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2909 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2910 int gfc_has_vector_subscript (gfc_expr
*);
2911 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
2912 gfc_try
gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
2915 extern gfc_st_label format_asterisk
;
2917 void gfc_free_open (gfc_open
*);
2918 gfc_try
gfc_resolve_open (gfc_open
*);
2919 void gfc_free_close (gfc_close
*);
2920 gfc_try
gfc_resolve_close (gfc_close
*);
2921 void gfc_free_filepos (gfc_filepos
*);
2922 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2923 void gfc_free_inquire (gfc_inquire
*);
2924 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2925 void gfc_free_dt (gfc_dt
*);
2926 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2927 void gfc_free_wait (gfc_wait
*);
2928 gfc_try
gfc_resolve_wait (gfc_wait
*);
2931 void gfc_module_init_2 (void);
2932 void gfc_module_done_2 (void);
2933 void gfc_dump_module (const char *, int);
2934 bool gfc_check_symbol_access (gfc_symbol
*);
2935 void gfc_free_use_stmts (gfc_use_list
*);
2938 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2939 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2940 match
gfc_match_rvalue (gfc_expr
**);
2941 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2942 int gfc_check_digit (char, int);
2943 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2944 gfc_try
gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
2946 gfc_actual_arglist
**, bool);
2949 void gfc_generate_code (gfc_namespace
*);
2950 void gfc_generate_module_code (gfc_namespace
*);
2951 void gfc_init_coarray_decl (bool);
2953 /* trans-intrinsic.c */
2954 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
2957 typedef int (*compare_fn
) (void *, void *);
2958 void gfc_insert_bbt (void *, void *, compare_fn
);
2959 void gfc_delete_bbt (void *, void *, compare_fn
);
2961 /* dump-parse-tree.c */
2962 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2965 gfc_try
gfc_parse_file (void);
2966 void gfc_global_used (gfc_gsymbol
*, locus
*);
2967 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
2970 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
2971 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2972 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
2975 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2976 gfc_try
gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
2977 size_t*, size_t*, size_t*);
2980 void gfc_fix_class_refs (gfc_expr
*e
);
2981 void gfc_add_component_ref (gfc_expr
*, const char *);
2982 void gfc_add_class_array_ref (gfc_expr
*);
2983 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
2984 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
2985 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
2986 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
2987 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
2988 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
2989 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
2990 bool gfc_is_class_scalar_expr (gfc_expr
*);
2991 bool gfc_is_class_container_ref (gfc_expr
*e
);
2992 gfc_expr
*gfc_class_null_initializer (gfc_typespec
*, gfc_expr
*);
2993 unsigned int gfc_hash_value (gfc_symbol
*);
2994 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2995 gfc_array_spec
**, bool);
2996 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2997 gfc_symbol
*gfc_find_intrinsic_vtab (gfc_typespec
*);
2998 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2999 const char*, bool, locus
*);
3000 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
3001 const char*, bool, locus
*);
3002 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
3003 gfc_intrinsic_op
, bool,
3005 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3006 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3008 #define CLASS_DATA(sym) sym->ts.u.derived->components
3009 #define UNLIMITED_POLY(sym) \
3010 (sym != NULL && sym->ts.type == BT_CLASS \
3011 && CLASS_DATA (sym) \
3012 && CLASS_DATA (sym)->ts.u.derived \
3013 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3015 /* frontend-passes.c */
3017 void gfc_run_passes (gfc_namespace
*);
3019 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3020 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3022 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3023 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3025 #endif /* GCC_GFORTRAN_H */