1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
4 Free Software Foundation, Inc.
5 Contributed by Andy Vaught
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 3, or (at your option) any later
14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
23 #ifndef GCC_GFORTRAN_H
24 #define GCC_GFORTRAN_H
26 /* It's probably insane to have this large of a header file, but it
27 seemed like everything had to be recompiled anyway when a change
28 was made to a header file, and there were ordering issues with
29 multiple header files. Besides, Microsoft's winnt.h was 250k last
30 time I looked, so by comparison this is perfectly reasonable. */
32 #ifndef GCC_CORETYPES_H
33 #error "gfortran.h must be included after coretypes.h"
36 /* Declarations common to the front-end and library are put in
37 libgfortran/libgfortran_frontend.h */
38 #include "libgfortran.h"
43 #include "splay-tree.h"
45 /* Major control parameters. */
47 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
48 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
50 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
53 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
56 #define stringize(x) expand_macro(x)
57 #define expand_macro(x) # x
59 /* For the runtime library, a standard prefix is a requirement to
60 avoid cluttering the namespace with things nobody asked for. It's
61 ugly to look at and a pain to type when you add the prefix by hand,
62 so we hide it behind a macro. */
63 #define PREFIX(x) "_gfortran_" x
66 #define BLANK_COMMON_NAME "__BLNK__"
68 /* Macro to initialize an mstring structure. */
69 #define minit(s, t) { s, NULL, t }
71 /* Structure for storing strings to be matched by gfc_match_string. */
82 /*************************** Enums *****************************/
84 /* Used when matching and resolving data I/O transfer statements. */
87 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
90 /* The author remains confused to this day about the convention of
91 returning '0' for 'SUCCESS'... or was it the other way around? The
92 following enum makes things much more readable. We also start
93 values off at one instead of zero. */
96 { SUCCESS
= 1, FAILURE
}
99 /* These are flags for identifying whether we are reading a character literal
100 between quotes or normal source code. */
103 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
106 /* This is returned by gfc_notification_std to know if, given the flags
107 that were given (-std=, -pedantic) we should issue an error, a warning
111 { SILENT
, WARNING
, ERROR
}
114 /* Matchers return one of these three values. The difference between
115 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
116 successful, but that something non-syntactic is wrong and an error
117 has already been issued. */
120 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
123 /* Used for different Fortran source forms in places like scanner.c. */
125 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
128 /* Expression node types. */
130 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
131 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
137 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
138 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_UNKNOWN
143 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
146 /* Statement label types. */
148 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
149 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
153 /* Intrinsic operators. */
155 { GFC_INTRINSIC_BEGIN
= 0,
156 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
157 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
158 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
159 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
160 /* ==, /=, >, >=, <, <= */
161 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
162 INTRINSIC_LT
, INTRINSIC_LE
,
163 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
164 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
165 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
166 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
167 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
171 /* This macro is the number of intrinsic operators that exist.
172 Assumptions are made about the numbering of the interface_op enums. */
173 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
175 /* Arithmetic results. */
177 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
178 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
185 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
186 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
187 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
188 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
189 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
190 ST_ENDDO
, ST_IMPLIED_ENDDO
,
191 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
192 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
193 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
194 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
195 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
196 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
197 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
198 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
199 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
200 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
201 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
202 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
203 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
204 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
205 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
206 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
207 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
208 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
209 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
210 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
211 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
,
212 ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
216 /* Types of interfaces that we can have. Assignment interfaces are
217 considered to be intrinsic operators. */
220 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
221 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
225 /* Symbol flavors: these are all mutually exclusive.
226 10 elements = 4 bits. */
227 typedef enum sym_flavor
229 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
230 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
235 /* Procedure types. 7 elements = 3 bits. */
236 typedef enum procedure_type
237 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
238 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
243 typedef enum sym_intent
244 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
249 typedef enum gfc_access
250 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
254 /* Flags to keep track of where an interface came from.
255 3 elements = 2 bits. */
257 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
258 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
259 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
260 with explicit interface. */
264 /* Whether a SAVE attribute was set explicitly or implicitly. */
265 typedef enum save_state
266 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
270 /* Strings for all symbol attributes. We use these for dumping the
271 parse tree, in error messages, and also when reading and writing
272 modules. In symbol.c. */
273 extern const mstring flavors
[];
274 extern const mstring procedures
[];
275 extern const mstring intents
[];
276 extern const mstring access_types
[];
277 extern const mstring ifsrc_types
[];
278 extern const mstring save_status
[];
280 /* Enumeration of all the generic intrinsic functions. Used by the
281 backend for identification of a function. */
285 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
286 the backend (e.g. KIND). */
323 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
324 GFC_ISYM_COMPILER_OPTIONS
,
325 GFC_ISYM_COMPILER_VERSION
,
336 GFC_ISYM_DATE_AND_TIME
,
340 GFC_ISYM_DOT_PRODUCT
,
349 GFC_ISYM_ERFC_SCALED
,
351 GFC_ISYM_EXECUTE_COMMAND_LINE
,
355 GFC_ISYM_EXTENDS_TYPE_OF
,
372 GFC_ISYM_GET_COMMAND
,
373 GFC_ISYM_GET_COMMAND_ARGUMENT
,
376 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
397 GFC_ISYM_IMAGE_INDEX
,
406 GFC_ISYM_IS_IOSTAT_END
,
407 GFC_ISYM_IS_IOSTAT_EOR
,
442 GFC_ISYM_MAXEXPONENT
,
450 GFC_ISYM_MINEXPONENT
,
475 GFC_ISYM_RANDOM_NUMBER
,
476 GFC_ISYM_RANDOM_SEED
,
485 GFC_ISYM_SAME_TYPE_AS
,
491 GFC_ISYM_SET_EXPONENT
,
510 GFC_ISYM_STORAGE_SIZE
,
515 GFC_ISYM_SYSTEM_CLOCK
,
539 typedef enum gfc_isym_id gfc_isym_id
;
544 GFC_INIT_REAL_OFF
= 0,
549 GFC_INIT_REAL_NEG_INF
555 GFC_INIT_LOGICAL_OFF
= 0,
556 GFC_INIT_LOGICAL_FALSE
,
557 GFC_INIT_LOGICAL_TRUE
563 GFC_INIT_CHARACTER_OFF
= 0,
564 GFC_INIT_CHARACTER_ON
566 init_local_character
;
570 GFC_INIT_INTEGER_OFF
= 0,
577 GFC_FCOARRAY_NONE
= 0,
592 /************************* Structures *****************************/
594 /* Used for keeping things in balanced binary trees. */
595 #define BBT_HEADER(self) int priority; struct self *left, *right
597 #define NAMED_INTCST(a,b,c,d) a,
598 #define NAMED_KINDARRAY(a,b,c,d) a,
599 #define NAMED_FUNCTION(a,b,c,d) a,
600 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
603 ISOFORTRANENV_INVALID
= -1,
604 #include "iso-fortran-env.def"
605 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
607 iso_fortran_env_symbol
;
609 #undef NAMED_KINDARRAY
610 #undef NAMED_FUNCTION
611 #undef NAMED_DERIVED_TYPE
613 #define NAMED_INTCST(a,b,c,d) a,
614 #define NAMED_REALCST(a,b,c,d) a,
615 #define NAMED_CMPXCST(a,b,c,d) a,
616 #define NAMED_LOGCST(a,b,c) a,
617 #define NAMED_CHARKNDCST(a,b,c) a,
618 #define NAMED_CHARCST(a,b,c) a,
619 #define DERIVED_TYPE(a,b,c) a,
620 #define PROCEDURE(a,b) a,
621 #define NAMED_FUNCTION(a,b,c,d) a,
624 ISOCBINDING_INVALID
= -1,
625 #include "iso-c-binding.def"
627 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
629 iso_c_binding_symbol
;
634 #undef NAMED_CHARKNDCST
638 #undef NAMED_FUNCTION
642 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
648 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
649 int value
; /* Used for both integer and character values. */
654 /* Array of structs, where the structs represent the C interop kinds.
655 The list will be implemented based on a hash of the kind name since
656 these could be accessed multiple times.
657 Declared in trans-types.c as a global, since it's in that file
658 that the list is initialized. */
659 extern CInteropKind_t c_interop_kinds_table
[];
662 /* Structure and list of supported extension attributes. */
665 EXT_ATTR_DLLIMPORT
= 0,
670 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
678 const char *middle_end_name
;
682 extern const ext_attr_t ext_attr_list
[];
684 /* Symbol attribute structure. */
687 /* Variable attributes. */
688 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
689 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
690 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
691 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
694 /* For CLASS containers, the pointer attribute is sometimes set internally
695 even though it was not directly specified. In this case, keep the
696 "real" (original) value here. */
697 unsigned class_pointer
:1;
699 ENUM_BITFIELD (save_state
) save
:2;
701 unsigned data
:1, /* Symbol is named in a DATA statement. */
702 is_protected
:1, /* Symbol has been marked as protected. */
703 use_assoc
:1, /* Symbol has been use-associated. */
704 use_only
:1, /* Symbol has been use-associated, with ONLY. */
705 use_rename
:1, /* Symbol has been use-associated and renamed. */
706 imported
:1, /* Symbol has been associated by IMPORT. */
707 host_assoc
:1; /* Symbol has been host associated. */
709 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
710 unsigned function
:1, subroutine
:1, procedure
:1;
711 unsigned generic
:1, generic_copy
:1;
712 unsigned implicit_type
:1; /* Type defined via implicit rules. */
713 unsigned untyped
:1; /* No implicit type could be found. */
715 unsigned is_bind_c
:1; /* say if is bound to C. */
716 unsigned extension
:8; /* extension level of a derived type. */
717 unsigned is_class
:1; /* is a CLASS container. */
718 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
719 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
720 unsigned vtype
:1; /* is a derived type of a vtab. */
722 /* These flags are both in the typespec and attribute. The attribute
723 list is what gets read from/written to a module file. The typespec
724 is created from a decl being processed. */
725 unsigned is_c_interop
:1; /* It's c interoperable. */
726 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
728 /* Function/subroutine attributes */
729 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
730 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
732 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
733 which is relevant for private module procedures. */
734 unsigned public_used
:1;
736 /* This is set if a contained procedure could be declared pure. This is
737 used for certain optimizations that require the result or arguments
738 cannot alias. Note that this is zero for PURE procedures. */
739 unsigned implicit_pure
:1;
741 /* This is set if the subroutine doesn't return. Currently, this
742 is only possible for intrinsic subroutines. */
745 /* Set if this procedure is an alternate entry point. These procedures
746 don't have any code associated, and the backend will turn them into
747 thunks to the master function. */
750 /* Set if this is the master function for a procedure with multiple
752 unsigned entry_master
:1;
754 /* Set if this is the master function for a function with multiple
755 entry points where characteristics of the entry points differ. */
756 unsigned mixed_entry_master
:1;
758 /* Set if a function must always be referenced by an explicit interface. */
759 unsigned always_explicit
:1;
761 /* Set if the symbol has been referenced in an expression. No further
762 modification of type or type parameters is permitted. */
763 unsigned referenced
:1;
765 /* Set if this is the symbol for the main program. */
766 unsigned is_main_program
:1;
768 /* Mutually exclusive multibit attributes. */
769 ENUM_BITFIELD (gfc_access
) access
:2;
770 ENUM_BITFIELD (sym_intent
) intent
:2;
771 ENUM_BITFIELD (sym_flavor
) flavor
:4;
772 ENUM_BITFIELD (ifsrc
) if_source
:2;
774 ENUM_BITFIELD (procedure_type
) proc
:3;
776 /* Special attributes for Cray pointers, pointees. */
777 unsigned cray_pointer
:1, cray_pointee
:1;
779 /* The symbol is a derived type with allocatable components, pointer
780 components or private components, procedure pointer components,
781 possibly nested. zero_comp is true if the derived type has no
783 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
784 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1;
786 /* This is a temporary selector for SELECT TYPE. */
787 unsigned select_type_temporary
:1;
789 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
790 unsigned ext_attr
:EXT_ATTR_NUM
;
792 /* The namespace where the attribute has been set. */
793 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
798 /* We need to store source lines as sequences of multibyte source
799 characters. We define here a type wide enough to hold any multibyte
800 source character, just like libcpp does. A 32-bit type is enough. */
802 #if HOST_BITS_PER_INT >= 32
803 typedef unsigned int gfc_char_t
;
804 #elif HOST_BITS_PER_LONG >= 32
805 typedef unsigned long gfc_char_t
;
806 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
807 typedef unsigned long long gfc_char_t
;
809 # error "Cannot find an integer type with at least 32 bits"
813 /* The following three structures are used to identify a location in
816 gfc_file is used to maintain a tree of the source files and how
817 they include each other
819 gfc_linebuf holds a single line of source code and information
820 which file it resides in
822 locus point to the sourceline and the character in the source
826 typedef struct gfc_file
828 struct gfc_file
*next
, *up
;
829 int inclusion_line
, line
;
833 typedef struct gfc_linebuf
835 source_location location
;
836 struct gfc_file
*file
;
837 struct gfc_linebuf
*next
;
845 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
847 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
855 /* In order for the "gfc" format checking to work correctly, you must
856 have declared a typedef locus first. */
857 #if GCC_VERSION >= 4001
858 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
860 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
864 /* Suppress error messages or re-enable them. */
866 void gfc_push_suppress_errors (void);
867 void gfc_pop_suppress_errors (void);
870 /* Character length structures hold the expression that gives the
871 length of a character variable. We avoid putting these into
872 gfc_typespec because doing so prevents us from doing structure
873 copies and forces us to deallocate any typespecs we create, as well
874 as structures that contain typespecs. They also can have multiple
875 character typespecs pointing to them.
877 These structures form a singly linked list within the current
878 namespace and are deallocated with the namespace. It is possible to
879 end up with gfc_charlen structures that have nothing pointing to them. */
881 typedef struct gfc_charlen
883 struct gfc_expr
*length
;
884 struct gfc_charlen
*next
;
885 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
887 tree passed_length
; /* Length argument explicitly passed. */
893 #define gfc_get_charlen() XCNEW (gfc_charlen)
895 /* Type specification structure. */
903 struct gfc_symbol
*derived
; /* For derived types only. */
904 gfc_charlen
*cl
; /* For character types only. */
905 int pad
; /* For hollerith types only. */
909 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
917 /* Array specification. */
920 int rank
; /* A rank of zero means that a variable is a scalar. */
922 array_type type
, cotype
;
923 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
925 /* These two fields are used with the Cray Pointer extension. */
926 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
927 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
928 AS_EXPLICIT, but we want to remember that we
934 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
937 /* Components of derived types. */
938 typedef struct gfc_component
943 symbol_attribute attr
;
947 /* Used to cache a FIELD_DECL matching this same component
948 but applied to a different backend containing type that was
949 generated by gfc_nonrestricted_type. */
950 tree norestrict_decl
;
952 struct gfc_expr
*initializer
;
953 struct gfc_component
*next
;
955 /* Needed for procedure pointer components. */
956 struct gfc_formal_arglist
*formal
;
957 struct gfc_namespace
*formal_ns
;
958 struct gfc_typebound_proc
*tb
;
962 #define gfc_get_component() XCNEW (gfc_component)
964 /* Formal argument lists are lists of symbols. */
965 typedef struct gfc_formal_arglist
967 /* Symbol representing the argument at this position in the arglist. */
968 struct gfc_symbol
*sym
;
969 /* Points to the next formal argument. */
970 struct gfc_formal_arglist
*next
;
974 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
977 /* The gfc_actual_arglist structure is for actual arguments. */
978 typedef struct gfc_actual_arglist
981 /* Alternate return label when the expr member is null. */
982 struct gfc_st_label
*label
;
984 /* This is set to the type of an eventual omitted optional
985 argument. This is used to determine if a hidden string length
986 argument has to be added to a function call. */
989 struct gfc_expr
*expr
;
990 struct gfc_actual_arglist
*next
;
994 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
997 /* Because a symbol can belong to multiple namelists, they must be
998 linked externally to the symbol itself. */
999 typedef struct gfc_namelist
1001 struct gfc_symbol
*sym
;
1002 struct gfc_namelist
*next
;
1006 #define gfc_get_namelist() XCNEW (gfc_namelist)
1011 OMP_LIST_FIRSTPRIVATE
,
1012 OMP_LIST_LASTPRIVATE
,
1013 OMP_LIST_COPYPRIVATE
,
1017 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1029 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1033 /* Because a symbol can belong to multiple namelists, they must be
1034 linked externally to the symbol itself. */
1036 enum gfc_omp_sched_kind
1046 enum gfc_omp_default_sharing
1048 OMP_DEFAULT_UNKNOWN
,
1050 OMP_DEFAULT_PRIVATE
,
1052 OMP_DEFAULT_FIRSTPRIVATE
1055 typedef struct gfc_omp_clauses
1057 struct gfc_expr
*if_expr
;
1058 struct gfc_expr
*final_expr
;
1059 struct gfc_expr
*num_threads
;
1060 gfc_namelist
*lists
[OMP_LIST_NUM
];
1061 enum gfc_omp_sched_kind sched_kind
;
1062 struct gfc_expr
*chunk_size
;
1063 enum gfc_omp_default_sharing default_sharing
;
1065 bool nowait
, ordered
, untied
, mergeable
;
1069 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1072 /* The gfc_st_label structure is a BBT attached to a namespace that
1073 records the usage of statement labels within that space. */
1075 typedef struct gfc_st_label
1077 BBT_HEADER(gfc_st_label
);
1081 gfc_sl_type defined
, referenced
;
1083 struct gfc_expr
*format
;
1092 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1093 typedef struct gfc_interface
1095 struct gfc_symbol
*sym
;
1097 struct gfc_interface
*next
;
1101 #define gfc_get_interface() XCNEW (gfc_interface)
1103 /* User operator nodes. These are like stripped down symbols. */
1109 struct gfc_namespace
*ns
;
1115 /* A list of specific bindings that are associated with a generic spec. */
1116 typedef struct gfc_tbp_generic
1118 /* The parser sets specific_st, upon resolution we look for the corresponding
1119 gfc_typebound_proc and set specific for further use. */
1120 struct gfc_symtree
* specific_st
;
1121 struct gfc_typebound_proc
* specific
;
1123 struct gfc_tbp_generic
* next
;
1128 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1131 /* Data needed for type-bound procedures. */
1132 typedef struct gfc_typebound_proc
1134 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1138 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1139 gfc_tbp_generic
* generic
;
1144 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1146 /* The overridden type-bound proc (or GENERIC with this name in the
1147 parent-type) or NULL if non. */
1148 struct gfc_typebound_proc
* overridden
;
1150 /* Once resolved, we use the position of pass_arg in the formal arglist of
1151 the binding-target procedure to identify it. The first argument has
1152 number 1 here, the second 2, and so on. */
1153 unsigned pass_arg_num
;
1155 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1156 unsigned non_overridable
:1;
1157 unsigned deferred
:1;
1158 unsigned is_generic
:1;
1159 unsigned function
:1, subroutine
:1;
1160 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1166 /* Symbol nodes. These are important things. They are what the
1167 standard refers to as "entities". The possibly multiple names that
1168 refer to the same entity are accomplished by a binary tree of
1169 symtree structures that is balanced by the red-black method-- more
1170 than one symtree node can point to any given symbol. */
1172 typedef struct gfc_symbol
1174 const char *name
; /* Primary name, before renaming */
1175 const char *module
; /* Module this symbol came from */
1179 symbol_attribute attr
;
1181 /* The formal member points to the formal argument list if the
1182 symbol is a function or subroutine name. If the symbol is a
1183 generic name, the generic member points to the list of
1186 gfc_interface
*generic
;
1187 gfc_access component_access
;
1189 gfc_formal_arglist
*formal
;
1190 struct gfc_namespace
*formal_ns
;
1191 struct gfc_namespace
*f2k_derived
;
1193 struct gfc_expr
*value
; /* Parameter/Initializer value */
1195 struct gfc_symbol
*result
; /* function result symbol */
1196 gfc_component
*components
; /* Derived type components */
1198 /* Defined only for Cray pointees; points to their pointer. */
1199 struct gfc_symbol
*cp_pointer
;
1201 int entry_id
; /* Used in resolve.c for entries. */
1203 /* CLASS hashed name for declared and dynamic types in the class. */
1206 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1208 /* This is in fact a gfc_common_head but it is only used for pointer
1209 comparisons to check if symbols are in the same common block. */
1210 struct gfc_common_head
* common_head
;
1212 /* Make sure setup code for dummy arguments is generated in the correct
1216 gfc_namelist
*namelist
, *namelist_tail
;
1218 /* Change management fields. Symbols that might be modified by the
1219 current statement have the mark member nonzero and are kept in a
1220 singly linked list through the tlink field. Of these symbols,
1221 symbols with old_symbol equal to NULL are symbols created within
1222 the current statement. Otherwise, old_symbol points to a copy of
1225 struct gfc_symbol
*old_symbol
, *tlink
;
1226 unsigned mark
:1, gfc_new
:1;
1227 /* Nonzero if all equivalences associated with this symbol have been
1229 unsigned equiv_built
:1;
1230 /* Set if this variable is used as an index name in a FORALL. */
1231 unsigned forall_index
:1;
1233 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1237 /* Identity of the intrinsic module the symbol comes from, or
1238 INTMOD_NONE if it's not imported from a intrinsic module. */
1239 intmod_id from_intmod
;
1240 /* Identity of the symbol from intrinsic modules, from enums maintained
1241 separately by each intrinsic module. Used together with from_intmod,
1242 it uniquely identifies a symbol from an intrinsic module. */
1245 /* This may be repetitive, since the typespec now has a binding
1247 const char* binding_label
;
1248 /* Store a reference to the common_block, if this symbol is in one. */
1249 struct gfc_common_head
*common_block
;
1251 /* Link to corresponding association-list if this is an associate name. */
1252 struct gfc_association_list
*assoc
;
1257 /* This structure is used to keep track of symbols in common blocks. */
1258 typedef struct gfc_common_head
1261 char use_assoc
, saved
, threadprivate
;
1262 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1263 struct gfc_symbol
*head
;
1264 const char* binding_label
;
1269 #define gfc_get_common_head() XCNEW (gfc_common_head)
1272 /* A list of all the alternate entry points for a procedure. */
1274 typedef struct gfc_entry_list
1276 /* The symbol for this entry point. */
1278 /* The zero-based id of this entry point. */
1280 /* The LABEL_EXPR marking this entry point. */
1282 /* The next item in the list. */
1283 struct gfc_entry_list
*next
;
1287 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1289 /* Lists of rename info for the USE statement. */
1291 typedef struct gfc_use_rename
1293 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1294 struct gfc_use_rename
*next
;
1296 gfc_intrinsic_op op
;
1301 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1303 /* A list of all USE statements in a namespace. */
1305 typedef struct gfc_use_list
1307 const char *module_name
;
1311 struct gfc_use_rename
*rename
;
1313 /* Next USE statement. */
1314 struct gfc_use_list
*next
;
1318 #define gfc_get_use_list() XCNEW (gfc_use_list)
1320 /* Within a namespace, symbols are pointed to by symtree nodes that
1321 are linked together in a balanced binary tree. There can be
1322 several symtrees pointing to the same symbol node via USE
1325 typedef struct gfc_symtree
1327 BBT_HEADER (gfc_symtree
);
1332 gfc_symbol
*sym
; /* Symbol associated with this node */
1334 gfc_common_head
*common
;
1335 gfc_typebound_proc
*tb
;
1341 /* A linked list of derived types in the namespace. */
1342 typedef struct gfc_dt_list
1344 struct gfc_symbol
*derived
;
1345 struct gfc_dt_list
*next
;
1349 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1351 /* A list of all derived types. */
1352 extern gfc_dt_list
*gfc_derived_types
;
1354 /* A namespace describes the contents of procedure, module, interface block
1355 or BLOCK construct. */
1356 /* ??? Anything else use these? */
1358 typedef struct gfc_namespace
1360 /* Tree containing all the symbols in this namespace. */
1361 gfc_symtree
*sym_root
;
1362 /* Tree containing all the user-defined operators in the namespace. */
1363 gfc_symtree
*uop_root
;
1364 /* Tree containing all the common blocks. */
1365 gfc_symtree
*common_root
;
1367 /* Tree containing type-bound procedures. */
1368 gfc_symtree
*tb_sym_root
;
1369 /* Type-bound user operators. */
1370 gfc_symtree
*tb_uop_root
;
1371 /* For derived-types, store type-bound intrinsic operators here. */
1372 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1373 /* Linked list of finalizer procedures. */
1374 struct gfc_finalizer
*finalizers
;
1376 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1377 int set_flag
[GFC_LETTERS
];
1378 /* Keeps track of the implicit types associated with the letters. */
1379 gfc_typespec default_type
[GFC_LETTERS
];
1380 /* Store the positions of IMPLICIT statements. */
1381 locus implicit_loc
[GFC_LETTERS
];
1383 /* If this is a namespace of a procedure, this points to the procedure. */
1384 struct gfc_symbol
*proc_name
;
1385 /* If this is the namespace of a unit which contains executable
1386 code, this points to it. */
1387 struct gfc_code
*code
;
1389 /* Points to the equivalences set up in this namespace. */
1390 struct gfc_equiv
*equiv
, *old_equiv
;
1392 /* Points to the equivalence groups produced by trans_common. */
1393 struct gfc_equiv_list
*equiv_lists
;
1395 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1397 /* Points to the parent namespace, i.e. the namespace of a module or
1398 procedure in which the procedure belonging to this namespace is
1399 contained. The parent namespace points to this namespace either
1400 directly via CONTAINED, or indirectly via the chain built by
1402 struct gfc_namespace
*parent
;
1403 /* CONTAINED points to the first contained namespace. Sibling
1404 namespaces are chained via SIBLING. */
1405 struct gfc_namespace
*contained
, *sibling
;
1407 gfc_common_head blank_common
;
1408 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1410 gfc_st_label
*st_labels
;
1411 /* This list holds information about all the data initializers in
1413 struct gfc_data
*data
;
1415 gfc_charlen
*cl_list
, *old_cl_list
;
1417 gfc_dt_list
*derived_types
;
1419 int save_all
, seen_save
, seen_implicit_none
;
1421 /* Normally we don't need to refcount namespaces. However when we read
1422 a module containing a function with multiple entry points, this
1423 will appear as several functions with the same formal namespace. */
1426 /* A list of all alternate entry points to this procedure (or NULL). */
1427 gfc_entry_list
*entries
;
1429 /* A list of USE statements in this namespace. */
1430 gfc_use_list
*use_stmts
;
1432 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1433 unsigned is_block_data
:1;
1435 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1436 unsigned has_import_set
:1;
1438 /* Set to 1 if resolved has been called for this namespace.
1439 Holds -1 during resolution. */
1442 /* Set to 1 if code has been generated for this namespace. */
1443 unsigned translated
:1;
1445 /* Set to 1 if symbols in this namespace should be 'construct entities',
1446 i.e. for BLOCK local variables. */
1447 unsigned construct_entities
:1;
1451 extern gfc_namespace
*gfc_current_ns
;
1452 extern gfc_namespace
*gfc_global_ns_list
;
1454 /* Global symbols are symbols of global scope. Currently we only use
1455 this to detect collisions already when parsing.
1456 TODO: Extend to verify procedure calls. */
1458 enum gfc_symbol_type
1460 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1461 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1464 typedef struct gfc_gsymbol
1466 BBT_HEADER(gfc_gsymbol
);
1469 const char *sym_name
;
1470 const char *mod_name
;
1471 const char *binding_label
;
1472 enum gfc_symbol_type type
;
1480 extern gfc_gsymbol
*gfc_gsym_root
;
1482 /* Information on interfaces being built. */
1485 interface_type type
;
1489 gfc_intrinsic_op op
;
1493 extern gfc_interface_info current_interface
;
1496 /* Array reference. */
1498 enum gfc_array_ref_dimen_type
1500 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1503 typedef struct gfc_array_ref
1506 int dimen
; /* # of components in the reference */
1508 bool in_allocate
; /* For coarray checks. */
1512 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1513 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1514 *stride
[GFC_MAX_DIMENSIONS
];
1516 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1518 struct gfc_expr
*offset
;
1522 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1525 /* Component reference nodes. A variable is stored as an expression
1526 node that points to the base symbol. After that, a singly linked
1527 list of component reference nodes gives the variable's complete
1528 resolution. The array_ref component may be present and comes
1529 before the component component. */
1532 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1535 typedef struct gfc_ref
1541 struct gfc_array_ref ar
;
1545 gfc_component
*component
;
1552 struct gfc_expr
*start
, *end
; /* Substring */
1553 gfc_charlen
*length
;
1560 struct gfc_ref
*next
;
1564 #define gfc_get_ref() XCNEW (gfc_ref)
1567 /* Structures representing intrinsic symbols and their arguments lists. */
1568 typedef struct gfc_intrinsic_arg
1570 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1573 unsigned optional
:1, value
:1;
1574 ENUM_BITFIELD (sym_intent
) intent
:2;
1575 gfc_actual_arglist
*actual
;
1577 struct gfc_intrinsic_arg
*next
;
1583 /* Specifies the various kinds of check functions used to verify the
1584 argument lists of intrinsic functions. fX with X an integer refer
1585 to check functions of intrinsics with X arguments. f1m is used for
1586 the MAX and MIN intrinsics which can have an arbitrary number of
1587 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1588 these have special semantics. */
1592 gfc_try (*f0
)(void);
1593 gfc_try (*f1
)(struct gfc_expr
*);
1594 gfc_try (*f1m
)(gfc_actual_arglist
*);
1595 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1596 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1597 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1598 gfc_try (*f3red
)(gfc_actual_arglist
*);
1599 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1601 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1602 struct gfc_expr
*, struct gfc_expr
*);
1606 /* Like gfc_check_f, these specify the type of the simplification
1607 function associated with an intrinsic. The fX are just like in
1608 gfc_check_f. cc is used for type conversion functions. */
1612 struct gfc_expr
*(*f0
)(void);
1613 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1614 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1615 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1617 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1618 struct gfc_expr
*, struct gfc_expr
*);
1619 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1620 struct gfc_expr
*, struct gfc_expr
*,
1622 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1626 /* Again like gfc_check_f, these specify the type of the resolution
1627 function associated with an intrinsic. The fX are just like in
1628 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1632 void (*f0
)(struct gfc_expr
*);
1633 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1634 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1635 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1636 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1638 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1639 struct gfc_expr
*, struct gfc_expr
*);
1640 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1641 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1642 void (*s1
)(struct gfc_code
*);
1647 typedef struct gfc_intrinsic_sym
1649 const char *name
, *lib_name
;
1650 gfc_intrinsic_arg
*formal
;
1652 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1653 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1658 gfc_simplify_f simplify
;
1660 gfc_resolve_f resolve
;
1661 struct gfc_intrinsic_sym
*specific_head
, *next
;
1668 /* Expression nodes. The expression node types deserve explanations,
1669 since the last couple can be easily misconstrued:
1671 EXPR_OP Operator node pointing to one or two other nodes
1672 EXPR_FUNCTION Function call, symbol points to function's name
1673 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1674 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1675 which expresses structure, array and substring refs.
1676 EXPR_NULL The NULL pointer value (which also has a basic type).
1677 EXPR_SUBSTRING A substring of a constant string
1678 EXPR_STRUCTURE A structure constructor
1679 EXPR_ARRAY An array constructor.
1680 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1681 component or type-bound procedure. */
1686 #define GFC_RND_MODE GMP_RNDN
1687 #define GFC_MPC_RND_MODE MPC_RNDNN
1689 typedef splay_tree gfc_constructor_base
;
1691 typedef struct gfc_expr
1695 gfc_typespec ts
; /* These two refer to the overall expression */
1698 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1700 /* Nonnull for functions and structure constructors, may also used to hold the
1701 base-object for component calls. */
1702 gfc_symtree
*symtree
;
1708 /* Used to store the base expression in component calls, when the expression
1709 is not a variable. */
1710 struct gfc_expr
*base_expr
;
1712 /* is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
1713 denotes a signalling not-a-number. */
1714 unsigned int is_boz
: 1, is_snan
: 1;
1716 /* Sometimes, when an error has been emitted, it is necessary to prevent
1717 it from recurring. */
1718 unsigned int error
: 1;
1720 /* Mark an expression where a user operator has been substituted by
1721 a function call in interface.c(gfc_extend_expr). */
1722 unsigned int user_operator
: 1;
1724 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1725 unsigned int mold
: 1;
1727 /* If an expression comes from a Hollerith constant or compile-time
1728 evaluation of a transfer statement, it may have a prescribed target-
1729 memory representation, and these cannot always be backformed from
1752 gfc_intrinsic_op op
;
1754 struct gfc_expr
*op1
, *op2
;
1760 gfc_actual_arglist
*actual
;
1761 const char *name
; /* Points to the ultimate name of the function */
1762 gfc_intrinsic_sym
*isym
;
1769 gfc_actual_arglist
* actual
;
1771 /* Base-object, whose component was called. NULL means that it should
1772 be taken from symtree/ref. */
1773 struct gfc_expr
* base_object
;
1774 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1776 /* For type-bound operators, we want to call PASS procedures but already
1777 have the full arglist; mark this, so that it is not extended by the
1779 unsigned ignore_pass
:1;
1781 /* Do assign-calls rather than calls, that is appropriate dependency
1794 gfc_constructor_base constructor
;
1802 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1804 /* Structures for information associated with different kinds of
1805 numbers. The first set of integer parameters define all there is
1806 to know about a particular kind. The rest of the elements are
1807 computed from the first elements. */
1811 /* Values really representable by the target. */
1812 mpz_t huge
, pedantic_min_int
, min_int
;
1814 int kind
, radix
, digits
, bit_size
, range
;
1816 /* True if the C type of the given name maps to this precision.
1817 Note that more than one bit can be set. */
1818 unsigned int c_char
: 1;
1819 unsigned int c_short
: 1;
1820 unsigned int c_int
: 1;
1821 unsigned int c_long
: 1;
1822 unsigned int c_long_long
: 1;
1826 extern gfc_integer_info gfc_integer_kinds
[];
1833 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1834 unsigned int c_bool
: 1;
1838 extern gfc_logical_info gfc_logical_kinds
[];
1843 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1844 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1845 int range
, precision
;
1847 /* The precision of the type as reported by GET_MODE_PRECISION. */
1850 /* True if the C type of the given name maps to this precision.
1851 Note that more than one bit can be set. */
1852 unsigned int c_float
: 1;
1853 unsigned int c_double
: 1;
1854 unsigned int c_long_double
: 1;
1855 unsigned int c_float128
: 1;
1859 extern gfc_real_info gfc_real_kinds
[];
1868 extern gfc_character_info gfc_character_kinds
[];
1871 /* Equivalence structures. Equivalent lvalues are linked along the
1872 *eq pointer, equivalence sets are strung along the *next node. */
1873 typedef struct gfc_equiv
1875 struct gfc_equiv
*next
, *eq
;
1882 #define gfc_get_equiv() XCNEW (gfc_equiv)
1884 /* Holds a single equivalence member after processing. */
1885 typedef struct gfc_equiv_info
1888 HOST_WIDE_INT offset
;
1889 HOST_WIDE_INT length
;
1890 struct gfc_equiv_info
*next
;
1893 /* Holds equivalence groups, after they have been processed. */
1894 typedef struct gfc_equiv_list
1896 gfc_equiv_info
*equiv
;
1897 struct gfc_equiv_list
*next
;
1900 /* gfc_case stores the selector list of a case statement. The *low
1901 and *high pointers can point to the same expression in the case of
1902 a single value. If *high is NULL, the selection is from *low
1903 upwards, if *low is NULL the selection is *high downwards.
1905 This structure has separate fields to allow single and double linked
1906 lists of CASEs at the same time. The singe linked list along the NEXT
1907 field is a list of cases for a single CASE label. The double linked
1908 list along the LEFT/RIGHT fields is used to detect overlap and to
1909 build a table of the cases for SELECT constructs with a CHARACTER
1912 typedef struct gfc_case
1914 /* Where we saw this case. */
1918 /* Case range values. If (low == high), it's a single value. If one of
1919 the labels is NULL, it's an unbounded case. If both are NULL, this
1920 represents the default case. */
1921 gfc_expr
*low
, *high
;
1923 /* Only used for SELECT TYPE. */
1926 /* Next case label in the list of cases for a single CASE label. */
1927 struct gfc_case
*next
;
1929 /* Used for detecting overlap, and for code generation. */
1930 struct gfc_case
*left
, *right
;
1932 /* True if this case label can never be matched. */
1937 #define gfc_get_case() XCNEW (gfc_case)
1942 gfc_expr
*var
, *start
, *end
, *step
;
1946 #define gfc_get_iterator() XCNEW (gfc_iterator)
1949 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1951 typedef struct gfc_alloc
1954 struct gfc_alloc
*next
;
1958 #define gfc_get_alloc() XCNEW (gfc_alloc)
1963 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1964 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1965 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1973 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1981 gfc_expr
*unit
, *iostat
, *iomsg
;
1989 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1990 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1991 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1992 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
1993 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
;
2003 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2004 gfc_st_label
*err
, *end
, *eor
;
2011 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2012 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2013 *sign
, *extra_comma
, *dt_io_kind
;
2015 gfc_symbol
*namelist
;
2016 /* A format_label of `format_asterisk' indicates the "*" format */
2017 gfc_st_label
*format_label
;
2018 gfc_st_label
*err
, *end
, *eor
;
2020 locus eor_where
, end_where
, err_where
;
2025 typedef struct gfc_forall_iterator
2027 gfc_expr
*var
, *start
, *end
, *stride
;
2028 struct gfc_forall_iterator
*next
;
2030 gfc_forall_iterator
;
2033 /* Linked list to store associations in an ASSOCIATE statement. */
2035 typedef struct gfc_association_list
2037 struct gfc_association_list
*next
;
2039 /* Whether this is association to a variable that can be changed; otherwise,
2040 it's association to an expression and the name may not be used as
2042 unsigned variable
:1;
2044 /* True if this struct is currently only linked to from a gfc_symbol rather
2045 than as part of a real list in gfc_code->ext.block.assoc. This may
2046 happen for SELECT TYPE temporaries and must be considered
2047 for memory handling. */
2048 unsigned dangling
:1;
2050 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2051 gfc_symtree
*st
; /* Symtree corresponding to name. */
2056 gfc_association_list
;
2057 #define gfc_get_association_list() XCNEW (gfc_association_list)
2060 /* Executable statements that fill gfc_code structures. */
2063 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2064 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2065 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2066 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2067 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2068 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2069 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2070 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2071 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2072 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2073 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2074 EXEC_LOCK
, EXEC_UNLOCK
,
2075 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2076 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2077 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2078 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2079 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2080 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2087 GFC_OMP_ATOMIC_UPDATE
,
2088 GFC_OMP_ATOMIC_READ
,
2089 GFC_OMP_ATOMIC_WRITE
,
2090 GFC_OMP_ATOMIC_CAPTURE
2094 typedef struct gfc_code
2098 struct gfc_code
*block
, *next
;
2101 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2102 gfc_symtree
*symtree
;
2103 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2104 /* A name isn't sufficient to identify a subroutine, we need the actual
2105 symbol for the interface definition.
2106 const char *sub_name; */
2107 gfc_symbol
*resolved_sym
;
2108 gfc_intrinsic_sym
*resolved_isym
;
2112 gfc_actual_arglist
*actual
;
2113 gfc_iterator
*iterator
;
2125 gfc_association_list
*assoc
;
2126 gfc_case
*case_list
;
2132 gfc_filepos
*filepos
;
2133 gfc_inquire
*inquire
;
2136 gfc_forall_iterator
*forall_iterator
;
2137 struct gfc_code
*which_construct
;
2139 gfc_entry_list
*entry
;
2140 gfc_omp_clauses
*omp_clauses
;
2141 const char *omp_name
;
2142 gfc_namelist
*omp_namelist
;
2144 gfc_omp_atomic_op omp_atomic
;
2146 ext
; /* Points to additional structures required by statement */
2148 /* Cycle and break labels in constructs. */
2155 /* Storage for DATA statements. */
2156 typedef struct gfc_data_variable
2160 struct gfc_data_variable
*list
, *next
;
2165 typedef struct gfc_data_value
2169 struct gfc_data_value
*next
;
2174 typedef struct gfc_data
2176 gfc_data_variable
*var
;
2177 gfc_data_value
*value
;
2180 struct gfc_data
*next
;
2185 /* Structure for holding compile options */
2189 gfc_source_form source_form
;
2190 /* Maximum line lengths in fixed- and free-form source, respectively.
2191 When fixed_line_length or free_line_length are 0, the whole line is used,
2192 regardless of length.
2194 If the user requests a fixed_line_length <7 then gfc_init_options()
2195 emits a fatal error. */
2196 int fixed_line_length
;
2197 int free_line_length
;
2198 /* Maximum number of continuation lines in fixed- and free-form source,
2200 int max_continue_fixed
;
2201 int max_continue_free
;
2202 int max_identifier_length
;
2203 int dump_fortran_original
;
2204 int dump_fortran_optimized
;
2208 int gfc_warn_conversion
;
2209 int warn_c_binding_type
;
2210 int warn_conversion_extra
;
2211 int warn_function_elimination
;
2212 int warn_implicit_interface
;
2213 int warn_implicit_procedure
;
2214 int warn_line_truncation
;
2215 int warn_surprising
;
2218 int warn_intrinsic_shadow
;
2219 int warn_intrinsics_std
;
2220 int warn_character_truncation
;
2221 int warn_array_temp
;
2222 int warn_align_commons
;
2223 int warn_real_q_constant
;
2224 int warn_unused_dummy_argument
;
2225 int warn_realloc_lhs
;
2226 int warn_realloc_lhs_all
;
2229 int flag_all_intrinsics
;
2230 int flag_default_double
;
2231 int flag_default_integer
;
2232 int flag_default_real
;
2233 int flag_integer4_kind
;
2234 int flag_real4_kind
;
2235 int flag_real8_kind
;
2237 int flag_underscoring
;
2238 int flag_second_underscore
;
2239 int flag_implicit_none
;
2240 int flag_max_stack_var_size
;
2241 int flag_max_array_constructor
;
2242 int flag_range_check
;
2243 int flag_pack_derived
;
2244 int flag_repack_arrays
;
2245 int flag_preprocessed
;
2250 int flag_allow_leading_underscore
;
2251 int flag_external_blas
;
2252 int blas_matmul_limit
;
2253 int flag_cray_pointer
;
2255 int gfc_flag_openmp
;
2257 int flag_stack_arrays
;
2258 int flag_module_private
;
2260 int flag_init_local_zero
;
2261 int flag_init_integer
;
2262 int flag_init_integer_value
;
2264 int flag_init_logical
;
2265 int flag_init_character
;
2266 char flag_init_character_value
;
2267 int flag_align_commons
;
2268 int flag_whole_file
;
2269 int flag_protect_parens
;
2270 int flag_realloc_lhs
;
2271 int flag_aggressive_function_elimination
;
2272 int flag_frontend_optimize
;
2276 gfc_fcoarray coarray
;
2282 int max_subrecord_length
;
2286 extern gfc_option_t gfc_option
;
2288 /* Constructor nodes for array and structure constructors. */
2289 typedef struct gfc_constructor
2291 gfc_constructor_base base
;
2292 mpz_t offset
; /* Offset within a constructor, used as
2296 gfc_iterator
*iterator
;
2301 gfc_component
*component
; /* Record the component being initialized. */
2304 mpz_t repeat
; /* Record the repeat number of initial values in data
2305 statement like "data a/5*10/". */
2310 typedef struct iterator_stack
2312 gfc_symtree
*variable
;
2314 struct iterator_stack
*prev
;
2317 extern iterator_stack
*iter_stack
;
2320 /* Used for (possibly nested) SELECT TYPE statements. */
2321 typedef struct gfc_select_type_stack
2323 gfc_symbol
*selector
; /* Current selector variable. */
2324 gfc_symtree
*tmp
; /* Current temporary variable. */
2325 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2327 gfc_select_type_stack
;
2328 extern gfc_select_type_stack
*select_type_stack
;
2329 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2332 /* Node in the linked list used for storing finalizer procedures. */
2334 typedef struct gfc_finalizer
2336 struct gfc_finalizer
* next
;
2337 locus where
; /* Where the FINAL declaration occurred. */
2339 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2340 symtree and later need only that. This way, we can access and call the
2341 finalizers from every context as they should be "always accessible". I
2342 don't make this a union because we need the information whether proc_sym is
2343 still referenced or not for dereferencing it on deleting a gfc_finalizer
2345 gfc_symbol
* proc_sym
;
2346 gfc_symtree
* proc_tree
;
2349 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2352 /************************ Function prototypes *************************/
2355 bool gfc_in_match_data (void);
2356 match
gfc_match_char_spec (gfc_typespec
*);
2359 void gfc_scanner_done_1 (void);
2360 void gfc_scanner_init_1 (void);
2362 void gfc_add_include_path (const char *, bool, bool);
2363 void gfc_add_intrinsic_modules_path (const char *);
2364 void gfc_release_include_path (void);
2365 FILE *gfc_open_included_file (const char *, bool, bool);
2366 FILE *gfc_open_intrinsic_module (const char *);
2368 int gfc_at_end (void);
2369 int gfc_at_eof (void);
2370 int gfc_at_bol (void);
2371 int gfc_at_eol (void);
2372 void gfc_advance_line (void);
2373 int gfc_check_include (void);
2374 int gfc_define_undef_line (void);
2376 int gfc_wide_is_printable (gfc_char_t
);
2377 int gfc_wide_is_digit (gfc_char_t
);
2378 int gfc_wide_fits_in_byte (gfc_char_t
);
2379 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2380 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2381 size_t gfc_wide_strlen (const gfc_char_t
*);
2382 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2383 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2384 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2385 gfc_char_t
*gfc_char_to_widechar (const char *);
2387 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2389 void gfc_skip_comments (void);
2390 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2391 gfc_char_t
gfc_next_char (void);
2392 char gfc_next_ascii_char (void);
2393 gfc_char_t
gfc_peek_char (void);
2394 char gfc_peek_ascii_char (void);
2395 void gfc_error_recovery (void);
2396 void gfc_gobble_whitespace (void);
2397 gfc_try
gfc_new_file (void);
2398 const char * gfc_read_orig_filename (const char *, const char **);
2400 extern gfc_source_form gfc_current_form
;
2401 extern const char *gfc_source_file
;
2402 extern locus gfc_current_locus
;
2404 void gfc_start_source_files (void);
2405 void gfc_end_source_files (void);
2408 int gfc_terminal_width (void);
2409 void gfc_clear_ts (gfc_typespec
*);
2410 FILE *gfc_open_file (const char *);
2411 const char *gfc_basic_typename (bt
);
2412 const char *gfc_typename (gfc_typespec
*);
2413 const char *gfc_op2string (gfc_intrinsic_op
);
2414 const char *gfc_code2string (const mstring
*, int);
2415 int gfc_string2code (const mstring
*, const char *);
2416 const char *gfc_intent_string (sym_intent
);
2418 void gfc_init_1 (void);
2419 void gfc_init_2 (void);
2420 void gfc_done_1 (void);
2421 void gfc_done_2 (void);
2423 int get_c_kind (const char *, CInteropKind_t
*);
2426 unsigned int gfc_option_lang_mask (void);
2427 void gfc_init_options_struct (struct gcc_options
*);
2428 void gfc_init_options (unsigned int,
2429 struct cl_decoded_option
*);
2430 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2431 const struct cl_option_handlers
*);
2432 bool gfc_post_options (const char **);
2433 char *gfc_get_option_string (void);
2436 void gfc_maybe_initialize_eh (void);
2439 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2440 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2444 typedef struct gfc_error_buf
2447 size_t allocated
, index
;
2451 void gfc_error_init_1 (void);
2452 void gfc_buffer_error (int);
2454 const char *gfc_print_wide_char (gfc_char_t
);
2456 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2457 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2458 void gfc_clear_warning (void);
2459 void gfc_warning_check (void);
2461 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2462 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2463 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2464 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2465 void gfc_clear_error (void);
2466 int gfc_error_check (void);
2467 int gfc_error_flag_test (void);
2469 notification
gfc_notification_std (int);
2470 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2472 /* A general purpose syntax error. */
2473 #define gfc_syntax_error(ST) \
2474 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2476 void gfc_push_error (gfc_error_buf
*);
2477 void gfc_pop_error (gfc_error_buf
*);
2478 void gfc_free_error (gfc_error_buf
*);
2480 void gfc_get_errors (int *, int *);
2481 void gfc_errors_to_warnings (int);
2484 void gfc_arith_init_1 (void);
2485 void gfc_arith_done_1 (void);
2486 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2487 bool gfc_check_character_range (gfc_char_t
, int);
2490 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2491 int gfc_validate_kind (bt
, int, bool);
2492 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2493 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2494 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2495 extern int gfc_index_integer_kind
;
2496 extern int gfc_default_integer_kind
;
2497 extern int gfc_max_integer_kind
;
2498 extern int gfc_default_real_kind
;
2499 extern int gfc_default_double_kind
;
2500 extern int gfc_default_character_kind
;
2501 extern int gfc_default_logical_kind
;
2502 extern int gfc_default_complex_kind
;
2503 extern int gfc_c_int_kind
;
2504 extern int gfc_atomic_int_kind
;
2505 extern int gfc_atomic_logical_kind
;
2506 extern int gfc_intio_kind
;
2507 extern int gfc_charlen_int_kind
;
2508 extern int gfc_numeric_storage_size
;
2509 extern int gfc_character_storage_size
;
2512 void gfc_clear_new_implicit (void);
2513 gfc_try
gfc_add_new_implicit_range (int, int);
2514 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2515 void gfc_set_implicit_none (void);
2516 void gfc_check_function_type (gfc_namespace
*);
2517 bool gfc_is_intrinsic_typename (const char *);
2519 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2520 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2522 void gfc_set_sym_referenced (gfc_symbol
*);
2524 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2525 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2526 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2527 gfc_try
gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2528 gfc_try
gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2529 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2530 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2531 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2532 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2533 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2534 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2535 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2536 match
gfc_mod_pointee_as (gfc_array_spec
*);
2537 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2538 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2539 gfc_try
gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2540 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2541 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2542 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2543 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2544 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2545 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2546 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2547 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2548 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2549 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2550 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2551 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2552 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2553 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2554 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2555 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2556 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2557 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2558 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2559 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2561 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2562 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2563 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2564 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2565 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2566 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2567 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2568 const char *, locus
*);
2569 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2570 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2571 gfc_formal_arglist
*, locus
*);
2572 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2574 void gfc_clear_attr (symbol_attribute
*);
2575 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2576 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2578 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2579 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2580 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2581 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2583 gfc_st_label
*gfc_get_st_label (int);
2584 void gfc_free_st_label (gfc_st_label
*);
2585 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2586 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2588 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2589 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2590 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2591 void gfc_delete_symtree (gfc_symtree
**, const char *);
2592 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2593 gfc_user_op
*gfc_get_uop (const char *);
2594 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2595 void gfc_free_symbol (gfc_symbol
*);
2596 void gfc_release_symbol (gfc_symbol
*);
2597 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2598 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2599 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2600 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2601 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2602 gfc_try
gfc_verify_c_interop (gfc_typespec
*);
2603 gfc_try
gfc_verify_c_interop_param (gfc_symbol
*);
2604 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2605 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2606 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2607 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2608 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, const char *, int);
2609 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2610 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2611 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2613 void gfc_undo_symbols (void);
2614 void gfc_commit_symbols (void);
2615 void gfc_commit_symbol (gfc_symbol
*);
2616 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2617 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2618 void gfc_free_namespace (gfc_namespace
*);
2620 void gfc_symbol_init_2 (void);
2621 void gfc_symbol_done_2 (void);
2623 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2624 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2625 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2626 void gfc_save_all (gfc_namespace
*);
2628 void gfc_enforce_clean_symbol_state (void);
2629 void gfc_free_dt_list (void);
2632 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2633 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2635 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2636 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2637 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2638 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2639 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2641 void gfc_copy_formal_args (gfc_symbol
*, gfc_symbol
*, ifsrc
);
2642 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2643 void gfc_copy_formal_args_ppc (gfc_component
*, gfc_symbol
*, ifsrc
);
2645 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2647 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2648 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2650 bool gfc_is_associate_pointer (gfc_symbol
*);
2651 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2653 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2654 extern bool gfc_init_expr_flag
;
2656 /* Given a symbol that we have decided is intrinsic, mark it as such
2657 by placing it into a special module that is otherwise impossible to
2660 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2662 void gfc_intrinsic_init_1 (void);
2663 void gfc_intrinsic_done_1 (void);
2665 char gfc_type_letter (bt
);
2666 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2667 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2668 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2669 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2670 int gfc_generic_intrinsic (const char *);
2671 int gfc_specific_intrinsic (const char *);
2672 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2673 int gfc_intrinsic_actual_ok (const char *, const bool);
2674 gfc_intrinsic_sym
*gfc_find_function (const char *);
2675 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2676 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2678 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2679 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2681 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2682 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2685 /* match.c -- FIXME */
2686 void gfc_free_iterator (gfc_iterator
*, int);
2687 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2688 void gfc_free_alloc_list (gfc_alloc
*);
2689 void gfc_free_namelist (gfc_namelist
*);
2690 void gfc_free_equiv (gfc_equiv
*);
2691 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2692 void gfc_free_data (gfc_data
*);
2693 void gfc_free_case_list (gfc_case
*);
2695 /* matchexp.c -- FIXME too? */
2696 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2699 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2700 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2701 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2702 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2703 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2704 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2705 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2706 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2709 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2710 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2711 const char *gfc_extract_int (gfc_expr
*, int *);
2712 bool is_subref_array (gfc_expr
*);
2713 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2714 gfc_try
gfc_check_init_expr (gfc_expr
*);
2716 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2717 void gfc_free_ref_list (gfc_ref
*);
2718 void gfc_type_convert_binary (gfc_expr
*, int);
2719 int gfc_is_constant_expr (gfc_expr
*);
2720 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2721 int gfc_has_vector_index (gfc_expr
*);
2723 gfc_expr
*gfc_get_expr (void);
2724 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2725 gfc_expr
*gfc_get_null_expr (locus
*);
2726 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2727 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2728 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2729 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2730 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2731 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2732 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2734 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2735 void gfc_free_shape (mpz_t
**shape
, int rank
);
2736 void gfc_free_expr (gfc_expr
*);
2737 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2738 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2739 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2740 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2741 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2743 gfc_try
gfc_specification_expr (gfc_expr
*);
2745 int gfc_numeric_ts (gfc_typespec
*);
2746 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2748 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2749 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2750 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2751 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2753 bool gfc_has_default_initializer (gfc_symbol
*);
2754 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2755 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2756 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2758 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2760 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2761 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2763 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2764 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2765 void gfc_expr_replace_symbols (gfc_expr
*, gfc_symbol
*);
2766 void gfc_expr_replace_comp (gfc_expr
*, gfc_component
*);
2768 bool gfc_is_proc_ptr_comp (gfc_expr
*, gfc_component
**);
2770 bool gfc_ref_this_image (gfc_ref
*ref
);
2771 bool gfc_is_coindexed (gfc_expr
*);
2772 bool gfc_is_coarray (gfc_expr
*);
2773 int gfc_get_corank (gfc_expr
*);
2774 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2775 bool gfc_has_ultimate_pointer (gfc_expr
*);
2777 gfc_expr
* gfc_build_intrinsic_call (const char*, locus
, unsigned, ...);
2778 gfc_try
gfc_check_vardef_context (gfc_expr
*, bool, bool, const char*);
2782 extern gfc_code new_st
;
2784 void gfc_clear_new_st (void);
2785 gfc_code
*gfc_get_code (void);
2786 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2787 void gfc_free_statement (gfc_code
*);
2788 void gfc_free_statements (gfc_code
*);
2789 void gfc_free_association_list (gfc_association_list
*);
2792 gfc_try
gfc_resolve_expr (gfc_expr
*);
2793 void gfc_resolve (gfc_namespace
*);
2794 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2795 int gfc_impure_variable (gfc_symbol
*);
2796 int gfc_pure (gfc_symbol
*);
2797 int gfc_implicit_pure (gfc_symbol
*);
2798 int gfc_elemental (gfc_symbol
*);
2799 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool);
2800 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2801 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2802 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2803 int gfc_is_formal_arg (void);
2804 void gfc_resolve_substring_charlen (gfc_expr
*);
2805 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2806 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2807 bool gfc_type_is_extensible (gfc_symbol
*sym
);
2811 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2813 void gfc_free_array_spec (gfc_array_spec
*);
2814 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2816 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2817 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2818 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2820 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2822 void gfc_simplify_iterator_var (gfc_expr
*);
2823 gfc_try
gfc_expand_constructor (gfc_expr
*, bool);
2824 int gfc_constant_ac (gfc_expr
*);
2825 int gfc_expanded_ac (gfc_expr
*);
2826 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2827 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2828 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2829 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2830 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2831 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2832 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2833 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2834 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2835 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2836 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2837 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2838 int gfc_is_compile_time_shape (gfc_array_spec
*);
2840 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
2843 /* interface.c -- FIXME: some of these should be in symbol.c */
2844 void gfc_free_interface (gfc_interface
*);
2845 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2846 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2847 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2848 char *, int, const char *, const char *);
2849 void gfc_check_interfaces (gfc_namespace
*);
2850 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2851 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2852 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2853 gfc_actual_arglist
**);
2854 match
gfc_extend_expr (gfc_expr
*);
2855 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2856 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2857 gfc_try
gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
2858 gfc_try
gfc_add_interface (gfc_symbol
*);
2859 gfc_interface
*gfc_current_interface_head (void);
2860 void gfc_set_current_interface_head (gfc_interface
*);
2861 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2862 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2863 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2864 int gfc_has_vector_subscript (gfc_expr
*);
2865 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
2866 gfc_try
gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
2869 extern gfc_st_label format_asterisk
;
2871 void gfc_free_open (gfc_open
*);
2872 gfc_try
gfc_resolve_open (gfc_open
*);
2873 void gfc_free_close (gfc_close
*);
2874 gfc_try
gfc_resolve_close (gfc_close
*);
2875 void gfc_free_filepos (gfc_filepos
*);
2876 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2877 void gfc_free_inquire (gfc_inquire
*);
2878 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2879 void gfc_free_dt (gfc_dt
*);
2880 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2881 void gfc_free_wait (gfc_wait
*);
2882 gfc_try
gfc_resolve_wait (gfc_wait
*);
2885 void gfc_module_init_2 (void);
2886 void gfc_module_done_2 (void);
2887 void gfc_dump_module (const char *, int);
2888 bool gfc_check_symbol_access (gfc_symbol
*);
2889 void gfc_free_use_stmts (gfc_use_list
*);
2892 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2893 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2894 match
gfc_match_rvalue (gfc_expr
**);
2895 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2896 int gfc_check_digit (char, int);
2897 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2898 gfc_try
gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
2900 gfc_actual_arglist
**, bool);
2903 void gfc_generate_code (gfc_namespace
*);
2904 void gfc_generate_module_code (gfc_namespace
*);
2905 void gfc_init_coarray_decl (bool);
2907 /* trans-intrinsic.c */
2908 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
2911 typedef int (*compare_fn
) (void *, void *);
2912 void gfc_insert_bbt (void *, void *, compare_fn
);
2913 void gfc_delete_bbt (void *, void *, compare_fn
);
2915 /* dump-parse-tree.c */
2916 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2919 gfc_try
gfc_parse_file (void);
2920 void gfc_global_used (gfc_gsymbol
*, locus
*);
2921 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
2924 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
2925 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2928 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2929 gfc_try
gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
2930 size_t*, size_t*, size_t*);
2933 void gfc_fix_class_refs (gfc_expr
*e
);
2934 void gfc_add_component_ref (gfc_expr
*, const char *);
2935 void gfc_add_class_array_ref (gfc_expr
*);
2936 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
2937 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
2938 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
2939 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
2940 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
2941 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
2942 bool gfc_is_class_scalar_expr (gfc_expr
*);
2943 bool gfc_is_class_container_ref (gfc_expr
*e
);
2944 gfc_expr
*gfc_class_null_initializer (gfc_typespec
*);
2945 unsigned int gfc_hash_value (gfc_symbol
*);
2946 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2947 gfc_array_spec
**, bool);
2948 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2949 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2950 const char*, bool, locus
*);
2951 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
2952 const char*, bool, locus
*);
2953 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
2954 gfc_intrinsic_op
, bool,
2956 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2958 #define CLASS_DATA(sym) sym->ts.u.derived->components
2960 /* frontend-passes.c */
2962 void gfc_run_passes (gfc_namespace
*);
2964 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
2965 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
2967 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
2968 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
2970 #endif /* GCC_GFORTRAN_H */