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"
43 /* Major control parameters. */
45 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
46 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
48 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
51 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
54 #define stringize(x) expand_macro(x)
55 #define expand_macro(x) # x
57 /* For the runtime library, a standard prefix is a requirement to
58 avoid cluttering the namespace with things nobody asked for. It's
59 ugly to look at and a pain to type when you add the prefix by hand,
60 so we hide it behind a macro. */
61 #define PREFIX(x) "_gfortran_" x
64 /* A prefix for internal variables, which are not user-visible. */
65 #if !defined (NO_DOT_IN_LABEL)
66 # define GFC_PREFIX(x) "_F." x
67 #elif !defined (NO_DOLLAR_IN_LABEL)
68 # define GFC_PREFIX(x) "_F$" x
70 # define GFC_PREFIX(x) "_F_" x
73 #define BLANK_COMMON_NAME "__BLNK__"
75 /* Macro to initialize an mstring structure. */
76 #define minit(s, t) { s, NULL, t }
78 /* Structure for storing strings to be matched by gfc_match_string. */
89 /*************************** Enums *****************************/
91 /* Used when matching and resolving data I/O transfer statements. */
94 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
97 /* The author remains confused to this day about the convention of
98 returning '0' for 'SUCCESS'... or was it the other way around? The
99 following enum makes things much more readable. We also start
100 values off at one instead of zero. */
103 { SUCCESS
= 1, FAILURE
}
106 /* These are flags for identifying whether we are reading a character literal
107 between quotes or normal source code. */
110 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
113 /* This is returned by gfc_notification_std to know if, given the flags
114 that were given (-std=, -pedantic) we should issue an error, a warning
118 { SILENT
, WARNING
, ERROR
}
121 /* Matchers return one of these three values. The difference between
122 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
123 successful, but that something non-syntactic is wrong and an error
124 has already been issued. */
127 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
130 /* Used for different Fortran source forms in places like scanner.c. */
132 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
135 /* Expression node types. */
137 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
138 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
144 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
145 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
151 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
154 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
155 related to shared DO terminations and DO targets which are neither END DO
156 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
158 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
159 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
163 /* Intrinsic operators. */
165 { GFC_INTRINSIC_BEGIN
= 0,
166 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
167 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
168 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
169 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
170 /* ==, /=, >, >=, <, <= */
171 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
172 INTRINSIC_LT
, INTRINSIC_LE
,
173 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
174 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
175 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
176 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
177 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
181 /* This macro is the number of intrinsic operators that exist.
182 Assumptions are made about the numbering of the interface_op enums. */
183 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
185 /* Arithmetic results. */
187 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
188 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
195 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
196 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
197 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
198 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
199 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
200 ST_ENDDO
, ST_IMPLIED_ENDDO
,
201 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
202 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
203 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
204 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
205 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
206 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
207 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
208 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
209 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
210 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
211 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
212 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
213 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
214 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
215 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
216 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
217 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
218 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
219 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
220 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
221 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
,
222 ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
226 /* Types of interfaces that we can have. Assignment interfaces are
227 considered to be intrinsic operators. */
230 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
231 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
235 /* Symbol flavors: these are all mutually exclusive.
236 10 elements = 4 bits. */
237 typedef enum sym_flavor
239 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
240 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
245 /* Procedure types. 7 elements = 3 bits. */
246 typedef enum procedure_type
247 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
248 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
253 typedef enum sym_intent
254 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
259 typedef enum gfc_access
260 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
264 /* Flags to keep track of where an interface came from.
265 3 elements = 2 bits. */
267 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
268 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
269 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
270 with explicit interface. */
274 /* Whether a SAVE attribute was set explicitly or implicitly. */
275 typedef enum save_state
276 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
280 /* Strings for all symbol attributes. We use these for dumping the
281 parse tree, in error messages, and also when reading and writing
282 modules. In symbol.c. */
283 extern const mstring flavors
[];
284 extern const mstring procedures
[];
285 extern const mstring intents
[];
286 extern const mstring access_types
[];
287 extern const mstring ifsrc_types
[];
288 extern const mstring save_status
[];
290 /* Enumeration of all the generic intrinsic functions. Used by the
291 backend for identification of a function. */
295 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
296 the backend (e.g. KIND). */
333 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
334 GFC_ISYM_COMPILER_OPTIONS
,
335 GFC_ISYM_COMPILER_VERSION
,
346 GFC_ISYM_DATE_AND_TIME
,
350 GFC_ISYM_DOT_PRODUCT
,
359 GFC_ISYM_ERFC_SCALED
,
361 GFC_ISYM_EXECUTE_COMMAND_LINE
,
365 GFC_ISYM_EXTENDS_TYPE_OF
,
382 GFC_ISYM_GET_COMMAND
,
383 GFC_ISYM_GET_COMMAND_ARGUMENT
,
386 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
407 GFC_ISYM_IMAGE_INDEX
,
416 GFC_ISYM_IS_IOSTAT_END
,
417 GFC_ISYM_IS_IOSTAT_EOR
,
452 GFC_ISYM_MAXEXPONENT
,
460 GFC_ISYM_MINEXPONENT
,
485 GFC_ISYM_RANDOM_NUMBER
,
486 GFC_ISYM_RANDOM_SEED
,
495 GFC_ISYM_SAME_TYPE_AS
,
501 GFC_ISYM_SET_EXPONENT
,
521 GFC_ISYM_STORAGE_SIZE
,
527 GFC_ISYM_SYSTEM_CLOCK
,
551 typedef enum gfc_isym_id gfc_isym_id
;
556 GFC_INIT_REAL_OFF
= 0,
561 GFC_INIT_REAL_NEG_INF
567 GFC_INIT_LOGICAL_OFF
= 0,
568 GFC_INIT_LOGICAL_FALSE
,
569 GFC_INIT_LOGICAL_TRUE
575 GFC_INIT_CHARACTER_OFF
= 0,
576 GFC_INIT_CHARACTER_ON
578 init_local_character
;
582 GFC_INIT_INTEGER_OFF
= 0,
589 GFC_FCOARRAY_NONE
= 0,
604 /************************* Structures *****************************/
606 /* Used for keeping things in balanced binary trees. */
607 #define BBT_HEADER(self) int priority; struct self *left, *right
609 #define NAMED_INTCST(a,b,c,d) a,
610 #define NAMED_KINDARRAY(a,b,c,d) a,
611 #define NAMED_FUNCTION(a,b,c,d) a,
612 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
615 ISOFORTRANENV_INVALID
= -1,
616 #include "iso-fortran-env.def"
617 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
619 iso_fortran_env_symbol
;
621 #undef NAMED_KINDARRAY
622 #undef NAMED_FUNCTION
623 #undef NAMED_DERIVED_TYPE
625 #define NAMED_INTCST(a,b,c,d) a,
626 #define NAMED_REALCST(a,b,c,d) a,
627 #define NAMED_CMPXCST(a,b,c,d) a,
628 #define NAMED_LOGCST(a,b,c) a,
629 #define NAMED_CHARKNDCST(a,b,c) a,
630 #define NAMED_CHARCST(a,b,c) a,
631 #define DERIVED_TYPE(a,b,c) a,
632 #define PROCEDURE(a,b) a,
633 #define NAMED_FUNCTION(a,b,c,d) a,
636 ISOCBINDING_INVALID
= -1,
637 #include "iso-c-binding.def"
639 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
641 iso_c_binding_symbol
;
646 #undef NAMED_CHARKNDCST
650 #undef NAMED_FUNCTION
654 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
660 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
661 int value
; /* Used for both integer and character values. */
666 /* Array of structs, where the structs represent the C interop kinds.
667 The list will be implemented based on a hash of the kind name since
668 these could be accessed multiple times.
669 Declared in trans-types.c as a global, since it's in that file
670 that the list is initialized. */
671 extern CInteropKind_t c_interop_kinds_table
[];
674 /* Structure and list of supported extension attributes. */
677 EXT_ATTR_DLLIMPORT
= 0,
682 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
690 const char *middle_end_name
;
694 extern const ext_attr_t ext_attr_list
[];
696 /* Symbol attribute structure. */
699 /* Variable attributes. */
700 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
701 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
702 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
703 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
706 /* For CLASS containers, the pointer attribute is sometimes set internally
707 even though it was not directly specified. In this case, keep the
708 "real" (original) value here. */
709 unsigned class_pointer
:1;
711 ENUM_BITFIELD (save_state
) save
:2;
713 unsigned data
:1, /* Symbol is named in a DATA statement. */
714 is_protected
:1, /* Symbol has been marked as protected. */
715 use_assoc
:1, /* Symbol has been use-associated. */
716 use_only
:1, /* Symbol has been use-associated, with ONLY. */
717 use_rename
:1, /* Symbol has been use-associated and renamed. */
718 imported
:1, /* Symbol has been associated by IMPORT. */
719 host_assoc
:1; /* Symbol has been host associated. */
721 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
722 unsigned function
:1, subroutine
:1, procedure
:1;
723 unsigned generic
:1, generic_copy
:1;
724 unsigned implicit_type
:1; /* Type defined via implicit rules. */
725 unsigned untyped
:1; /* No implicit type could be found. */
727 unsigned is_bind_c
:1; /* say if is bound to C. */
728 unsigned extension
:8; /* extension level of a derived type. */
729 unsigned is_class
:1; /* is a CLASS container. */
730 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
731 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
732 unsigned vtype
:1; /* is a derived type of a vtab. */
734 /* These flags are both in the typespec and attribute. The attribute
735 list is what gets read from/written to a module file. The typespec
736 is created from a decl being processed. */
737 unsigned is_c_interop
:1; /* It's c interoperable. */
738 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
740 /* Function/subroutine attributes */
741 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
742 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
744 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
745 which is relevant for private module procedures. */
746 unsigned public_used
:1;
748 /* This is set if a contained procedure could be declared pure. This is
749 used for certain optimizations that require the result or arguments
750 cannot alias. Note that this is zero for PURE procedures. */
751 unsigned implicit_pure
:1;
753 /* This is set if the subroutine doesn't return. Currently, this
754 is only possible for intrinsic subroutines. */
757 /* Set if this procedure is an alternate entry point. These procedures
758 don't have any code associated, and the backend will turn them into
759 thunks to the master function. */
762 /* Set if this is the master function for a procedure with multiple
764 unsigned entry_master
:1;
766 /* Set if this is the master function for a function with multiple
767 entry points where characteristics of the entry points differ. */
768 unsigned mixed_entry_master
:1;
770 /* Set if a function must always be referenced by an explicit interface. */
771 unsigned always_explicit
:1;
773 /* Set if the symbol is generated and, hence, standard violations
774 shouldn't be flaged. */
775 unsigned artificial
:1;
777 /* Set if the symbol has been referenced in an expression. No further
778 modification of type or type parameters is permitted. */
779 unsigned referenced
:1;
781 /* Set if this is the symbol for the main program. */
782 unsigned is_main_program
:1;
784 /* Mutually exclusive multibit attributes. */
785 ENUM_BITFIELD (gfc_access
) access
:2;
786 ENUM_BITFIELD (sym_intent
) intent
:2;
787 ENUM_BITFIELD (sym_flavor
) flavor
:4;
788 ENUM_BITFIELD (ifsrc
) if_source
:2;
790 ENUM_BITFIELD (procedure_type
) proc
:3;
792 /* Special attributes for Cray pointers, pointees. */
793 unsigned cray_pointer
:1, cray_pointee
:1;
795 /* The symbol is a derived type with allocatable components, pointer
796 components or private components, procedure pointer components,
797 possibly nested. zero_comp is true if the derived type has no
798 component at all. defined_assign_comp is true if the derived
799 type or a (sub-)component has a typebound defined assignment.
800 unlimited_polymorphic flags the type of the container for these
802 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
803 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
804 defined_assign_comp
:1, unlimited_polymorphic
:1;
806 /* This is a temporary selector for SELECT TYPE or an associate
807 variable for SELECT_TYPE or ASSOCIATE. */
808 unsigned select_type_temporary
:1, associate_var
:1;
810 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
811 unsigned ext_attr
:EXT_ATTR_NUM
;
813 /* The namespace where the attribute has been set. */
814 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
819 /* We need to store source lines as sequences of multibyte source
820 characters. We define here a type wide enough to hold any multibyte
821 source character, just like libcpp does. A 32-bit type is enough. */
823 #if HOST_BITS_PER_INT >= 32
824 typedef unsigned int gfc_char_t
;
825 #elif HOST_BITS_PER_LONG >= 32
826 typedef unsigned long gfc_char_t
;
827 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
828 typedef unsigned long long gfc_char_t
;
830 # error "Cannot find an integer type with at least 32 bits"
834 /* The following three structures are used to identify a location in
837 gfc_file is used to maintain a tree of the source files and how
838 they include each other
840 gfc_linebuf holds a single line of source code and information
841 which file it resides in
843 locus point to the sourceline and the character in the source
847 typedef struct gfc_file
849 struct gfc_file
*next
, *up
;
850 int inclusion_line
, line
;
854 typedef struct gfc_linebuf
856 source_location location
;
857 struct gfc_file
*file
;
858 struct gfc_linebuf
*next
;
866 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
868 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
876 /* In order for the "gfc" format checking to work correctly, you must
877 have declared a typedef locus first. */
878 #if GCC_VERSION >= 4001
879 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
881 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
885 /* Suppress error messages or re-enable them. */
887 void gfc_push_suppress_errors (void);
888 void gfc_pop_suppress_errors (void);
891 /* Character length structures hold the expression that gives the
892 length of a character variable. We avoid putting these into
893 gfc_typespec because doing so prevents us from doing structure
894 copies and forces us to deallocate any typespecs we create, as well
895 as structures that contain typespecs. They also can have multiple
896 character typespecs pointing to them.
898 These structures form a singly linked list within the current
899 namespace and are deallocated with the namespace. It is possible to
900 end up with gfc_charlen structures that have nothing pointing to them. */
902 typedef struct gfc_charlen
904 struct gfc_expr
*length
;
905 struct gfc_charlen
*next
;
906 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
908 tree passed_length
; /* Length argument explicitly passed. */
914 #define gfc_get_charlen() XCNEW (gfc_charlen)
916 /* Type specification structure. */
924 struct gfc_symbol
*derived
; /* For derived types only. */
925 gfc_charlen
*cl
; /* For character types only. */
926 int pad
; /* For hollerith types only. */
930 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
938 /* Array specification. */
941 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
943 array_type type
, cotype
;
944 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
946 /* These two fields are used with the Cray Pointer extension. */
947 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
948 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
949 AS_EXPLICIT, but we want to remember that we
955 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
958 /* Components of derived types. */
959 typedef struct gfc_component
964 symbol_attribute attr
;
968 /* Used to cache a FIELD_DECL matching this same component
969 but applied to a different backend containing type that was
970 generated by gfc_nonrestricted_type. */
971 tree norestrict_decl
;
973 struct gfc_expr
*initializer
;
974 struct gfc_component
*next
;
976 /* Needed for procedure pointer components. */
977 struct gfc_typebound_proc
*tb
;
981 #define gfc_get_component() XCNEW (gfc_component)
983 /* Formal argument lists are lists of symbols. */
984 typedef struct gfc_formal_arglist
986 /* Symbol representing the argument at this position in the arglist. */
987 struct gfc_symbol
*sym
;
988 /* Points to the next formal argument. */
989 struct gfc_formal_arglist
*next
;
993 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
996 /* The gfc_actual_arglist structure is for actual arguments. */
997 typedef struct gfc_actual_arglist
1000 /* Alternate return label when the expr member is null. */
1001 struct gfc_st_label
*label
;
1003 /* This is set to the type of an eventual omitted optional
1004 argument. This is used to determine if a hidden string length
1005 argument has to be added to a function call. */
1006 bt missing_arg_type
;
1008 struct gfc_expr
*expr
;
1009 struct gfc_actual_arglist
*next
;
1013 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1016 /* Because a symbol can belong to multiple namelists, they must be
1017 linked externally to the symbol itself. */
1018 typedef struct gfc_namelist
1020 struct gfc_symbol
*sym
;
1021 struct gfc_namelist
*next
;
1025 #define gfc_get_namelist() XCNEW (gfc_namelist)
1030 OMP_LIST_FIRSTPRIVATE
,
1031 OMP_LIST_LASTPRIVATE
,
1032 OMP_LIST_COPYPRIVATE
,
1036 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1048 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1052 /* Because a symbol can belong to multiple namelists, they must be
1053 linked externally to the symbol itself. */
1055 enum gfc_omp_sched_kind
1065 enum gfc_omp_default_sharing
1067 OMP_DEFAULT_UNKNOWN
,
1069 OMP_DEFAULT_PRIVATE
,
1071 OMP_DEFAULT_FIRSTPRIVATE
1074 typedef struct gfc_omp_clauses
1076 struct gfc_expr
*if_expr
;
1077 struct gfc_expr
*final_expr
;
1078 struct gfc_expr
*num_threads
;
1079 gfc_namelist
*lists
[OMP_LIST_NUM
];
1080 enum gfc_omp_sched_kind sched_kind
;
1081 struct gfc_expr
*chunk_size
;
1082 enum gfc_omp_default_sharing default_sharing
;
1084 bool nowait
, ordered
, untied
, mergeable
;
1088 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1091 /* The gfc_st_label structure is a BBT attached to a namespace that
1092 records the usage of statement labels within that space. */
1094 typedef struct gfc_st_label
1096 BBT_HEADER(gfc_st_label
);
1100 gfc_sl_type defined
, referenced
;
1102 struct gfc_expr
*format
;
1111 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1112 typedef struct gfc_interface
1114 struct gfc_symbol
*sym
;
1116 struct gfc_interface
*next
;
1120 #define gfc_get_interface() XCNEW (gfc_interface)
1122 /* User operator nodes. These are like stripped down symbols. */
1128 struct gfc_namespace
*ns
;
1134 /* A list of specific bindings that are associated with a generic spec. */
1135 typedef struct gfc_tbp_generic
1137 /* The parser sets specific_st, upon resolution we look for the corresponding
1138 gfc_typebound_proc and set specific for further use. */
1139 struct gfc_symtree
* specific_st
;
1140 struct gfc_typebound_proc
* specific
;
1142 struct gfc_tbp_generic
* next
;
1147 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1150 /* Data needed for type-bound procedures. */
1151 typedef struct gfc_typebound_proc
1153 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1157 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1158 gfc_tbp_generic
* generic
;
1163 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1165 /* The overridden type-bound proc (or GENERIC with this name in the
1166 parent-type) or NULL if non. */
1167 struct gfc_typebound_proc
* overridden
;
1169 /* Once resolved, we use the position of pass_arg in the formal arglist of
1170 the binding-target procedure to identify it. The first argument has
1171 number 1 here, the second 2, and so on. */
1172 unsigned pass_arg_num
;
1174 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1175 unsigned non_overridable
:1;
1176 unsigned deferred
:1;
1177 unsigned is_generic
:1;
1178 unsigned function
:1, subroutine
:1;
1179 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1185 /* Symbol nodes. These are important things. They are what the
1186 standard refers to as "entities". The possibly multiple names that
1187 refer to the same entity are accomplished by a binary tree of
1188 symtree structures that is balanced by the red-black method-- more
1189 than one symtree node can point to any given symbol. */
1191 typedef struct gfc_symbol
1193 const char *name
; /* Primary name, before renaming */
1194 const char *module
; /* Module this symbol came from */
1198 symbol_attribute attr
;
1200 /* The formal member points to the formal argument list if the
1201 symbol is a function or subroutine name. If the symbol is a
1202 generic name, the generic member points to the list of
1205 gfc_interface
*generic
;
1206 gfc_access component_access
;
1208 gfc_formal_arglist
*formal
;
1209 struct gfc_namespace
*formal_ns
;
1210 struct gfc_namespace
*f2k_derived
;
1212 struct gfc_expr
*value
; /* Parameter/Initializer value */
1214 struct gfc_symbol
*result
; /* function result symbol */
1215 gfc_component
*components
; /* Derived type components */
1217 /* Defined only for Cray pointees; points to their pointer. */
1218 struct gfc_symbol
*cp_pointer
;
1220 int entry_id
; /* Used in resolve.c for entries. */
1222 /* CLASS hashed name for declared and dynamic types in the class. */
1225 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1227 /* This is in fact a gfc_common_head but it is only used for pointer
1228 comparisons to check if symbols are in the same common block. */
1229 struct gfc_common_head
* common_head
;
1231 /* Make sure setup code for dummy arguments is generated in the correct
1235 gfc_namelist
*namelist
, *namelist_tail
;
1237 /* Change management fields. Symbols that might be modified by the
1238 current statement have the mark member nonzero and are kept in a
1239 singly linked list through the tlink field. Of these symbols,
1240 symbols with old_symbol equal to NULL are symbols created within
1241 the current statement. Otherwise, old_symbol points to a copy of
1244 struct gfc_symbol
*old_symbol
, *tlink
;
1245 unsigned mark
:1, gfc_new
:1;
1246 /* Nonzero if all equivalences associated with this symbol have been
1248 unsigned equiv_built
:1;
1249 /* Set if this variable is used as an index name in a FORALL. */
1250 unsigned forall_index
:1;
1252 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1256 /* Identity of the intrinsic module the symbol comes from, or
1257 INTMOD_NONE if it's not imported from a intrinsic module. */
1258 intmod_id from_intmod
;
1259 /* Identity of the symbol from intrinsic modules, from enums maintained
1260 separately by each intrinsic module. Used together with from_intmod,
1261 it uniquely identifies a symbol from an intrinsic module. */
1264 /* This may be repetitive, since the typespec now has a binding
1266 const char* binding_label
;
1267 /* Store a reference to the common_block, if this symbol is in one. */
1268 struct gfc_common_head
*common_block
;
1270 /* Link to corresponding association-list if this is an associate name. */
1271 struct gfc_association_list
*assoc
;
1275 /* This structure is used to keep track of symbols in common blocks. */
1276 typedef struct gfc_common_head
1279 char use_assoc
, saved
, threadprivate
;
1280 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1281 struct gfc_symbol
*head
;
1282 const char* binding_label
;
1288 #define gfc_get_common_head() XCNEW (gfc_common_head)
1291 /* A list of all the alternate entry points for a procedure. */
1293 typedef struct gfc_entry_list
1295 /* The symbol for this entry point. */
1297 /* The zero-based id of this entry point. */
1299 /* The LABEL_EXPR marking this entry point. */
1301 /* The next item in the list. */
1302 struct gfc_entry_list
*next
;
1306 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1308 /* Lists of rename info for the USE statement. */
1310 typedef struct gfc_use_rename
1312 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1313 struct gfc_use_rename
*next
;
1315 gfc_intrinsic_op op
;
1320 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1322 /* A list of all USE statements in a namespace. */
1324 typedef struct gfc_use_list
1326 const char *module_name
;
1330 struct gfc_use_rename
*rename
;
1332 /* Next USE statement. */
1333 struct gfc_use_list
*next
;
1337 #define gfc_get_use_list() XCNEW (gfc_use_list)
1339 /* Within a namespace, symbols are pointed to by symtree nodes that
1340 are linked together in a balanced binary tree. There can be
1341 several symtrees pointing to the same symbol node via USE
1344 typedef struct gfc_symtree
1346 BBT_HEADER (gfc_symtree
);
1351 gfc_symbol
*sym
; /* Symbol associated with this node */
1353 gfc_common_head
*common
;
1354 gfc_typebound_proc
*tb
;
1360 /* A linked list of derived types in the namespace. */
1361 typedef struct gfc_dt_list
1363 struct gfc_symbol
*derived
;
1364 struct gfc_dt_list
*next
;
1368 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1370 /* A list of all derived types. */
1371 extern gfc_dt_list
*gfc_derived_types
;
1373 /* A namespace describes the contents of procedure, module, interface block
1374 or BLOCK construct. */
1375 /* ??? Anything else use these? */
1377 typedef struct gfc_namespace
1379 /* Tree containing all the symbols in this namespace. */
1380 gfc_symtree
*sym_root
;
1381 /* Tree containing all the user-defined operators in the namespace. */
1382 gfc_symtree
*uop_root
;
1383 /* Tree containing all the common blocks. */
1384 gfc_symtree
*common_root
;
1386 /* Tree containing type-bound procedures. */
1387 gfc_symtree
*tb_sym_root
;
1388 /* Type-bound user operators. */
1389 gfc_symtree
*tb_uop_root
;
1390 /* For derived-types, store type-bound intrinsic operators here. */
1391 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1392 /* Linked list of finalizer procedures. */
1393 struct gfc_finalizer
*finalizers
;
1395 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1396 int set_flag
[GFC_LETTERS
];
1397 /* Keeps track of the implicit types associated with the letters. */
1398 gfc_typespec default_type
[GFC_LETTERS
];
1399 /* Store the positions of IMPLICIT statements. */
1400 locus implicit_loc
[GFC_LETTERS
];
1402 /* If this is a namespace of a procedure, this points to the procedure. */
1403 struct gfc_symbol
*proc_name
;
1404 /* If this is the namespace of a unit which contains executable
1405 code, this points to it. */
1406 struct gfc_code
*code
;
1408 /* Points to the equivalences set up in this namespace. */
1409 struct gfc_equiv
*equiv
, *old_equiv
;
1411 /* Points to the equivalence groups produced by trans_common. */
1412 struct gfc_equiv_list
*equiv_lists
;
1414 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1416 /* Points to the parent namespace, i.e. the namespace of a module or
1417 procedure in which the procedure belonging to this namespace is
1418 contained. The parent namespace points to this namespace either
1419 directly via CONTAINED, or indirectly via the chain built by
1421 struct gfc_namespace
*parent
;
1422 /* CONTAINED points to the first contained namespace. Sibling
1423 namespaces are chained via SIBLING. */
1424 struct gfc_namespace
*contained
, *sibling
;
1426 gfc_common_head blank_common
;
1427 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1429 gfc_st_label
*st_labels
;
1430 /* This list holds information about all the data initializers in
1432 struct gfc_data
*data
;
1434 gfc_charlen
*cl_list
, *old_cl_list
;
1436 gfc_dt_list
*derived_types
;
1438 int save_all
, seen_save
, seen_implicit_none
;
1440 /* Normally we don't need to refcount namespaces. However when we read
1441 a module containing a function with multiple entry points, this
1442 will appear as several functions with the same formal namespace. */
1445 /* A list of all alternate entry points to this procedure (or NULL). */
1446 gfc_entry_list
*entries
;
1448 /* A list of USE statements in this namespace. */
1449 gfc_use_list
*use_stmts
;
1451 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1452 unsigned is_block_data
:1;
1454 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1455 unsigned has_import_set
:1;
1457 /* Set to 1 if resolved has been called for this namespace.
1458 Holds -1 during resolution. */
1461 /* Set to 1 if code has been generated for this namespace. */
1462 unsigned translated
:1;
1464 /* Set to 1 if symbols in this namespace should be 'construct entities',
1465 i.e. for BLOCK local variables. */
1466 unsigned construct_entities
:1;
1470 extern gfc_namespace
*gfc_current_ns
;
1471 extern gfc_namespace
*gfc_global_ns_list
;
1473 /* Global symbols are symbols of global scope. Currently we only use
1474 this to detect collisions already when parsing.
1475 TODO: Extend to verify procedure calls. */
1477 enum gfc_symbol_type
1479 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1480 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1483 typedef struct gfc_gsymbol
1485 BBT_HEADER(gfc_gsymbol
);
1488 const char *sym_name
;
1489 const char *mod_name
;
1490 const char *binding_label
;
1491 enum gfc_symbol_type type
;
1499 extern gfc_gsymbol
*gfc_gsym_root
;
1501 /* Information on interfaces being built. */
1504 interface_type type
;
1508 gfc_intrinsic_op op
;
1512 extern gfc_interface_info current_interface
;
1515 /* Array reference. */
1517 enum gfc_array_ref_dimen_type
1519 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1522 typedef struct gfc_array_ref
1525 int dimen
; /* # of components in the reference */
1527 bool in_allocate
; /* For coarray checks. */
1531 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1532 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1533 *stride
[GFC_MAX_DIMENSIONS
];
1535 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1539 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1542 /* Component reference nodes. A variable is stored as an expression
1543 node that points to the base symbol. After that, a singly linked
1544 list of component reference nodes gives the variable's complete
1545 resolution. The array_ref component may be present and comes
1546 before the component component. */
1549 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1552 typedef struct gfc_ref
1558 struct gfc_array_ref ar
;
1562 gfc_component
*component
;
1569 struct gfc_expr
*start
, *end
; /* Substring */
1570 gfc_charlen
*length
;
1577 struct gfc_ref
*next
;
1581 #define gfc_get_ref() XCNEW (gfc_ref)
1584 /* Structures representing intrinsic symbols and their arguments lists. */
1585 typedef struct gfc_intrinsic_arg
1587 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1590 unsigned optional
:1, value
:1;
1591 ENUM_BITFIELD (sym_intent
) intent
:2;
1592 gfc_actual_arglist
*actual
;
1594 struct gfc_intrinsic_arg
*next
;
1600 /* Specifies the various kinds of check functions used to verify the
1601 argument lists of intrinsic functions. fX with X an integer refer
1602 to check functions of intrinsics with X arguments. f1m is used for
1603 the MAX and MIN intrinsics which can have an arbitrary number of
1604 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1605 these have special semantics. */
1609 gfc_try (*f0
)(void);
1610 gfc_try (*f1
)(struct gfc_expr
*);
1611 gfc_try (*f1m
)(gfc_actual_arglist
*);
1612 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1613 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1614 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1615 gfc_try (*f3red
)(gfc_actual_arglist
*);
1616 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1618 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1619 struct gfc_expr
*, struct gfc_expr
*);
1623 /* Like gfc_check_f, these specify the type of the simplification
1624 function associated with an intrinsic. The fX are just like in
1625 gfc_check_f. cc is used for type conversion functions. */
1629 struct gfc_expr
*(*f0
)(void);
1630 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1631 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1632 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1634 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1635 struct gfc_expr
*, struct gfc_expr
*);
1636 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1637 struct gfc_expr
*, struct gfc_expr
*,
1639 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1643 /* Again like gfc_check_f, these specify the type of the resolution
1644 function associated with an intrinsic. The fX are just like in
1645 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1649 void (*f0
)(struct gfc_expr
*);
1650 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1651 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1652 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1653 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1655 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1656 struct gfc_expr
*, struct gfc_expr
*);
1657 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1658 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1659 void (*s1
)(struct gfc_code
*);
1664 typedef struct gfc_intrinsic_sym
1666 const char *name
, *lib_name
;
1667 gfc_intrinsic_arg
*formal
;
1669 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1670 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1675 gfc_simplify_f simplify
;
1677 gfc_resolve_f resolve
;
1678 struct gfc_intrinsic_sym
*specific_head
, *next
;
1685 /* Expression nodes. The expression node types deserve explanations,
1686 since the last couple can be easily misconstrued:
1688 EXPR_OP Operator node pointing to one or two other nodes
1689 EXPR_FUNCTION Function call, symbol points to function's name
1690 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1691 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1692 which expresses structure, array and substring refs.
1693 EXPR_NULL The NULL pointer value (which also has a basic type).
1694 EXPR_SUBSTRING A substring of a constant string
1695 EXPR_STRUCTURE A structure constructor
1696 EXPR_ARRAY An array constructor.
1697 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1698 component or type-bound procedure. */
1702 #define GFC_RND_MODE GMP_RNDN
1703 #define GFC_MPC_RND_MODE MPC_RNDNN
1705 typedef splay_tree gfc_constructor_base
;
1707 typedef struct gfc_expr
1711 gfc_typespec ts
; /* These two refer to the overall expression */
1713 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1714 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1716 /* Nonnull for functions and structure constructors, may also used to hold the
1717 base-object for component calls. */
1718 gfc_symtree
*symtree
;
1724 /* Used to store the base expression in component calls, when the expression
1725 is not a variable. */
1726 struct gfc_expr
*base_expr
;
1728 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1729 denotes a signalling not-a-number. */
1730 unsigned int is_boz
: 1, is_snan
: 1;
1732 /* Sometimes, when an error has been emitted, it is necessary to prevent
1733 it from recurring. */
1734 unsigned int error
: 1;
1736 /* Mark an expression where a user operator has been substituted by
1737 a function call in interface.c(gfc_extend_expr). */
1738 unsigned int user_operator
: 1;
1740 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1741 unsigned int mold
: 1;
1743 /* If an expression comes from a Hollerith constant or compile-time
1744 evaluation of a transfer statement, it may have a prescribed target-
1745 memory representation, and these cannot always be backformed from
1768 gfc_intrinsic_op op
;
1770 struct gfc_expr
*op1
, *op2
;
1776 gfc_actual_arglist
*actual
;
1777 const char *name
; /* Points to the ultimate name of the function */
1778 gfc_intrinsic_sym
*isym
;
1785 gfc_actual_arglist
* actual
;
1787 /* Base-object, whose component was called. NULL means that it should
1788 be taken from symtree/ref. */
1789 struct gfc_expr
* base_object
;
1790 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1792 /* For type-bound operators, we want to call PASS procedures but already
1793 have the full arglist; mark this, so that it is not extended by the
1795 unsigned ignore_pass
:1;
1797 /* Do assign-calls rather than calls, that is appropriate dependency
1810 gfc_constructor_base constructor
;
1818 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1820 /* Structures for information associated with different kinds of
1821 numbers. The first set of integer parameters define all there is
1822 to know about a particular kind. The rest of the elements are
1823 computed from the first elements. */
1827 /* Values really representable by the target. */
1828 mpz_t huge
, pedantic_min_int
, min_int
;
1830 int kind
, radix
, digits
, bit_size
, range
;
1832 /* True if the C type of the given name maps to this precision.
1833 Note that more than one bit can be set. */
1834 unsigned int c_char
: 1;
1835 unsigned int c_short
: 1;
1836 unsigned int c_int
: 1;
1837 unsigned int c_long
: 1;
1838 unsigned int c_long_long
: 1;
1842 extern gfc_integer_info gfc_integer_kinds
[];
1849 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1850 unsigned int c_bool
: 1;
1854 extern gfc_logical_info gfc_logical_kinds
[];
1859 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1860 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1861 int range
, precision
;
1863 /* The precision of the type as reported by GET_MODE_PRECISION. */
1866 /* True if the C type of the given name maps to this precision.
1867 Note that more than one bit can be set. */
1868 unsigned int c_float
: 1;
1869 unsigned int c_double
: 1;
1870 unsigned int c_long_double
: 1;
1871 unsigned int c_float128
: 1;
1875 extern gfc_real_info gfc_real_kinds
[];
1884 extern gfc_character_info gfc_character_kinds
[];
1887 /* Equivalence structures. Equivalent lvalues are linked along the
1888 *eq pointer, equivalence sets are strung along the *next node. */
1889 typedef struct gfc_equiv
1891 struct gfc_equiv
*next
, *eq
;
1898 #define gfc_get_equiv() XCNEW (gfc_equiv)
1900 /* Holds a single equivalence member after processing. */
1901 typedef struct gfc_equiv_info
1904 HOST_WIDE_INT offset
;
1905 HOST_WIDE_INT length
;
1906 struct gfc_equiv_info
*next
;
1909 /* Holds equivalence groups, after they have been processed. */
1910 typedef struct gfc_equiv_list
1912 gfc_equiv_info
*equiv
;
1913 struct gfc_equiv_list
*next
;
1916 /* gfc_case stores the selector list of a case statement. The *low
1917 and *high pointers can point to the same expression in the case of
1918 a single value. If *high is NULL, the selection is from *low
1919 upwards, if *low is NULL the selection is *high downwards.
1921 This structure has separate fields to allow single and double linked
1922 lists of CASEs at the same time. The singe linked list along the NEXT
1923 field is a list of cases for a single CASE label. The double linked
1924 list along the LEFT/RIGHT fields is used to detect overlap and to
1925 build a table of the cases for SELECT constructs with a CHARACTER
1928 typedef struct gfc_case
1930 /* Where we saw this case. */
1934 /* Case range values. If (low == high), it's a single value. If one of
1935 the labels is NULL, it's an unbounded case. If both are NULL, this
1936 represents the default case. */
1937 gfc_expr
*low
, *high
;
1939 /* Only used for SELECT TYPE. */
1942 /* Next case label in the list of cases for a single CASE label. */
1943 struct gfc_case
*next
;
1945 /* Used for detecting overlap, and for code generation. */
1946 struct gfc_case
*left
, *right
;
1948 /* True if this case label can never be matched. */
1953 #define gfc_get_case() XCNEW (gfc_case)
1958 gfc_expr
*var
, *start
, *end
, *step
;
1962 #define gfc_get_iterator() XCNEW (gfc_iterator)
1965 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1967 typedef struct gfc_alloc
1970 struct gfc_alloc
*next
;
1974 #define gfc_get_alloc() XCNEW (gfc_alloc)
1979 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1980 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1981 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1989 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1997 gfc_expr
*unit
, *iostat
, *iomsg
;
2005 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2006 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2007 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2008 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2009 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2020 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2021 gfc_st_label
*err
, *end
, *eor
;
2028 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2029 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2030 *sign
, *extra_comma
, *dt_io_kind
;
2032 gfc_symbol
*namelist
;
2033 /* A format_label of `format_asterisk' indicates the "*" format */
2034 gfc_st_label
*format_label
;
2035 gfc_st_label
*err
, *end
, *eor
;
2037 locus eor_where
, end_where
, err_where
;
2042 typedef struct gfc_forall_iterator
2044 gfc_expr
*var
, *start
, *end
, *stride
;
2045 struct gfc_forall_iterator
*next
;
2047 gfc_forall_iterator
;
2050 /* Linked list to store associations in an ASSOCIATE statement. */
2052 typedef struct gfc_association_list
2054 struct gfc_association_list
*next
;
2056 /* Whether this is association to a variable that can be changed; otherwise,
2057 it's association to an expression and the name may not be used as
2059 unsigned variable
:1;
2061 /* True if this struct is currently only linked to from a gfc_symbol rather
2062 than as part of a real list in gfc_code->ext.block.assoc. This may
2063 happen for SELECT TYPE temporaries and must be considered
2064 for memory handling. */
2065 unsigned dangling
:1;
2067 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2068 gfc_symtree
*st
; /* Symtree corresponding to name. */
2073 gfc_association_list
;
2074 #define gfc_get_association_list() XCNEW (gfc_association_list)
2077 /* Executable statements that fill gfc_code structures. */
2080 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2081 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2082 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2083 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2084 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2085 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2086 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2087 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2088 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2089 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2090 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2091 EXEC_LOCK
, EXEC_UNLOCK
,
2092 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2093 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2094 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2095 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2096 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2097 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2104 GFC_OMP_ATOMIC_UPDATE
,
2105 GFC_OMP_ATOMIC_READ
,
2106 GFC_OMP_ATOMIC_WRITE
,
2107 GFC_OMP_ATOMIC_CAPTURE
2111 typedef struct gfc_code
2115 struct gfc_code
*block
, *next
;
2118 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2119 gfc_symtree
*symtree
;
2120 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2121 /* A name isn't sufficient to identify a subroutine, we need the actual
2122 symbol for the interface definition.
2123 const char *sub_name; */
2124 gfc_symbol
*resolved_sym
;
2125 gfc_intrinsic_sym
*resolved_isym
;
2129 gfc_actual_arglist
*actual
;
2130 gfc_iterator
*iterator
;
2142 gfc_association_list
*assoc
;
2143 gfc_case
*case_list
;
2149 gfc_filepos
*filepos
;
2150 gfc_inquire
*inquire
;
2153 gfc_forall_iterator
*forall_iterator
;
2154 struct gfc_code
*which_construct
;
2156 gfc_entry_list
*entry
;
2157 gfc_omp_clauses
*omp_clauses
;
2158 const char *omp_name
;
2159 gfc_namelist
*omp_namelist
;
2161 gfc_omp_atomic_op omp_atomic
;
2163 ext
; /* Points to additional structures required by statement */
2165 /* Cycle and break labels in constructs. */
2172 /* Storage for DATA statements. */
2173 typedef struct gfc_data_variable
2177 struct gfc_data_variable
*list
, *next
;
2182 typedef struct gfc_data_value
2186 struct gfc_data_value
*next
;
2191 typedef struct gfc_data
2193 gfc_data_variable
*var
;
2194 gfc_data_value
*value
;
2197 struct gfc_data
*next
;
2202 /* Structure for holding compile options */
2206 gfc_source_form source_form
;
2207 /* Maximum line lengths in fixed- and free-form source, respectively.
2208 When fixed_line_length or free_line_length are 0, the whole line is used,
2209 regardless of length.
2211 If the user requests a fixed_line_length <7 then gfc_init_options()
2212 emits a fatal error. */
2213 int fixed_line_length
;
2214 int free_line_length
;
2215 /* Maximum number of continuation lines in fixed- and free-form source,
2217 int max_continue_fixed
;
2218 int max_continue_free
;
2219 int max_identifier_length
;
2220 int dump_fortran_original
;
2221 int dump_fortran_optimized
;
2225 int gfc_warn_conversion
;
2226 int warn_c_binding_type
;
2227 int warn_conversion_extra
;
2228 int warn_function_elimination
;
2229 int warn_implicit_interface
;
2230 int warn_implicit_procedure
;
2231 int warn_line_truncation
;
2232 int warn_surprising
;
2235 int warn_intrinsic_shadow
;
2236 int warn_intrinsics_std
;
2237 int warn_character_truncation
;
2238 int warn_array_temp
;
2239 int warn_align_commons
;
2240 int warn_real_q_constant
;
2241 int warn_unused_dummy_argument
;
2242 int warn_realloc_lhs
;
2243 int warn_realloc_lhs_all
;
2244 int warn_compare_reals
;
2245 int warn_target_lifetime
;
2248 int flag_all_intrinsics
;
2249 int flag_default_double
;
2250 int flag_default_integer
;
2251 int flag_default_real
;
2252 int flag_integer4_kind
;
2253 int flag_real4_kind
;
2254 int flag_real8_kind
;
2256 int flag_underscoring
;
2257 int flag_second_underscore
;
2258 int flag_implicit_none
;
2259 int flag_max_stack_var_size
;
2260 int flag_max_array_constructor
;
2261 int flag_range_check
;
2262 int flag_pack_derived
;
2263 int flag_repack_arrays
;
2264 int flag_preprocessed
;
2269 int flag_allow_leading_underscore
;
2270 int flag_external_blas
;
2271 int blas_matmul_limit
;
2272 int flag_cray_pointer
;
2274 int gfc_flag_openmp
;
2276 int flag_stack_arrays
;
2277 int flag_module_private
;
2279 int flag_init_local_zero
;
2280 int flag_init_integer
;
2281 int flag_init_integer_value
;
2283 int flag_init_logical
;
2284 int flag_init_character
;
2285 char flag_init_character_value
;
2286 int flag_align_commons
;
2287 int flag_whole_file
;
2288 int flag_protect_parens
;
2289 int flag_realloc_lhs
;
2290 int flag_aggressive_function_elimination
;
2291 int flag_frontend_optimize
;
2295 gfc_fcoarray coarray
;
2301 int max_subrecord_length
;
2305 extern gfc_option_t gfc_option
;
2307 /* Constructor nodes for array and structure constructors. */
2308 typedef struct gfc_constructor
2310 gfc_constructor_base base
;
2311 mpz_t offset
; /* Offset within a constructor, used as
2315 gfc_iterator
*iterator
;
2320 gfc_component
*component
; /* Record the component being initialized. */
2323 mpz_t repeat
; /* Record the repeat number of initial values in data
2324 statement like "data a/5*10/". */
2329 typedef struct iterator_stack
2331 gfc_symtree
*variable
;
2333 struct iterator_stack
*prev
;
2336 extern iterator_stack
*iter_stack
;
2339 /* Used for (possibly nested) SELECT TYPE statements. */
2340 typedef struct gfc_select_type_stack
2342 gfc_symbol
*selector
; /* Current selector variable. */
2343 gfc_symtree
*tmp
; /* Current temporary variable. */
2344 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2346 gfc_select_type_stack
;
2347 extern gfc_select_type_stack
*select_type_stack
;
2348 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2351 /* Node in the linked list used for storing finalizer procedures. */
2353 typedef struct gfc_finalizer
2355 struct gfc_finalizer
* next
;
2356 locus where
; /* Where the FINAL declaration occurred. */
2358 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2359 symtree and later need only that. This way, we can access and call the
2360 finalizers from every context as they should be "always accessible". I
2361 don't make this a union because we need the information whether proc_sym is
2362 still referenced or not for dereferencing it on deleting a gfc_finalizer
2364 gfc_symbol
* proc_sym
;
2365 gfc_symtree
* proc_tree
;
2368 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2371 /************************ Function prototypes *************************/
2374 bool gfc_in_match_data (void);
2375 match
gfc_match_char_spec (gfc_typespec
*);
2378 void gfc_scanner_done_1 (void);
2379 void gfc_scanner_init_1 (void);
2381 void gfc_add_include_path (const char *, bool, bool);
2382 void gfc_add_intrinsic_modules_path (const char *);
2383 void gfc_release_include_path (void);
2384 FILE *gfc_open_included_file (const char *, bool, bool);
2385 FILE *gfc_open_intrinsic_module (const char *);
2387 int gfc_at_end (void);
2388 int gfc_at_eof (void);
2389 int gfc_at_bol (void);
2390 int gfc_at_eol (void);
2391 void gfc_advance_line (void);
2392 int gfc_check_include (void);
2393 int gfc_define_undef_line (void);
2395 int gfc_wide_is_printable (gfc_char_t
);
2396 int gfc_wide_is_digit (gfc_char_t
);
2397 int gfc_wide_fits_in_byte (gfc_char_t
);
2398 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2399 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2400 size_t gfc_wide_strlen (const gfc_char_t
*);
2401 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2402 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2403 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2404 gfc_char_t
*gfc_char_to_widechar (const char *);
2406 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2408 void gfc_skip_comments (void);
2409 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2410 gfc_char_t
gfc_next_char (void);
2411 char gfc_next_ascii_char (void);
2412 gfc_char_t
gfc_peek_char (void);
2413 char gfc_peek_ascii_char (void);
2414 void gfc_error_recovery (void);
2415 void gfc_gobble_whitespace (void);
2416 gfc_try
gfc_new_file (void);
2417 const char * gfc_read_orig_filename (const char *, const char **);
2419 extern gfc_source_form gfc_current_form
;
2420 extern const char *gfc_source_file
;
2421 extern locus gfc_current_locus
;
2423 void gfc_start_source_files (void);
2424 void gfc_end_source_files (void);
2427 int gfc_terminal_width (void);
2428 void gfc_clear_ts (gfc_typespec
*);
2429 FILE *gfc_open_file (const char *);
2430 const char *gfc_basic_typename (bt
);
2431 const char *gfc_typename (gfc_typespec
*);
2432 const char *gfc_op2string (gfc_intrinsic_op
);
2433 const char *gfc_code2string (const mstring
*, int);
2434 int gfc_string2code (const mstring
*, const char *);
2435 const char *gfc_intent_string (sym_intent
);
2437 void gfc_init_1 (void);
2438 void gfc_init_2 (void);
2439 void gfc_done_1 (void);
2440 void gfc_done_2 (void);
2442 int get_c_kind (const char *, CInteropKind_t
*);
2445 unsigned int gfc_option_lang_mask (void);
2446 void gfc_init_options_struct (struct gcc_options
*);
2447 void gfc_init_options (unsigned int,
2448 struct cl_decoded_option
*);
2449 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2450 const struct cl_option_handlers
*);
2451 bool gfc_post_options (const char **);
2452 char *gfc_get_option_string (void);
2455 void gfc_maybe_initialize_eh (void);
2458 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2459 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2463 typedef struct gfc_error_buf
2466 size_t allocated
, index
;
2470 void gfc_error_init_1 (void);
2471 void gfc_buffer_error (int);
2473 const char *gfc_print_wide_char (gfc_char_t
);
2475 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2476 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2477 void gfc_clear_warning (void);
2478 void gfc_warning_check (void);
2480 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2481 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2482 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2483 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2484 void gfc_clear_error (void);
2485 int gfc_error_check (void);
2486 int gfc_error_flag_test (void);
2488 notification
gfc_notification_std (int);
2489 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2491 /* A general purpose syntax error. */
2492 #define gfc_syntax_error(ST) \
2493 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2495 void gfc_push_error (gfc_error_buf
*);
2496 void gfc_pop_error (gfc_error_buf
*);
2497 void gfc_free_error (gfc_error_buf
*);
2499 void gfc_get_errors (int *, int *);
2500 void gfc_errors_to_warnings (int);
2503 void gfc_arith_init_1 (void);
2504 void gfc_arith_done_1 (void);
2505 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2506 bool gfc_check_character_range (gfc_char_t
, int);
2509 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2510 int gfc_validate_kind (bt
, int, bool);
2511 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2512 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2513 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2514 extern int gfc_index_integer_kind
;
2515 extern int gfc_default_integer_kind
;
2516 extern int gfc_max_integer_kind
;
2517 extern int gfc_default_real_kind
;
2518 extern int gfc_default_double_kind
;
2519 extern int gfc_default_character_kind
;
2520 extern int gfc_default_logical_kind
;
2521 extern int gfc_default_complex_kind
;
2522 extern int gfc_c_int_kind
;
2523 extern int gfc_atomic_int_kind
;
2524 extern int gfc_atomic_logical_kind
;
2525 extern int gfc_intio_kind
;
2526 extern int gfc_charlen_int_kind
;
2527 extern int gfc_numeric_storage_size
;
2528 extern int gfc_character_storage_size
;
2531 void gfc_clear_new_implicit (void);
2532 gfc_try
gfc_add_new_implicit_range (int, int);
2533 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2534 void gfc_set_implicit_none (void);
2535 void gfc_check_function_type (gfc_namespace
*);
2536 bool gfc_is_intrinsic_typename (const char *);
2538 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2539 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2541 void gfc_set_sym_referenced (gfc_symbol
*);
2543 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2544 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2545 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2546 gfc_try
gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2547 gfc_try
gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2548 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2549 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2550 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2551 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2552 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2553 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2554 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2555 match
gfc_mod_pointee_as (gfc_array_spec
*);
2556 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2557 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2558 gfc_try
gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2559 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2560 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2561 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2562 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2563 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2564 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2565 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2566 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2567 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2568 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2569 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2570 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2571 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2572 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2573 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2574 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2575 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2576 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2577 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2578 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2580 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2581 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2582 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2583 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2584 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2585 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2586 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2587 const char *, locus
*);
2588 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2589 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2590 gfc_formal_arglist
*, locus
*);
2591 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2593 void gfc_clear_attr (symbol_attribute
*);
2594 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2595 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2597 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2598 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2599 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2600 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2602 gfc_st_label
*gfc_get_st_label (int);
2603 void gfc_free_st_label (gfc_st_label
*);
2604 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2605 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2607 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2608 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2609 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2610 void gfc_delete_symtree (gfc_symtree
**, const char *);
2611 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2612 gfc_user_op
*gfc_get_uop (const char *);
2613 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2614 void gfc_free_symbol (gfc_symbol
*);
2615 void gfc_release_symbol (gfc_symbol
*);
2616 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2617 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2618 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2619 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2620 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2621 gfc_try
gfc_verify_c_interop (gfc_typespec
*);
2622 gfc_try
gfc_verify_c_interop_param (gfc_symbol
*);
2623 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2624 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2625 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2626 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2627 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, const char *, int);
2628 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2629 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2630 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2632 void gfc_undo_symbols (void);
2633 void gfc_commit_symbols (void);
2634 void gfc_commit_symbol (gfc_symbol
*);
2635 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2636 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2637 void gfc_free_namespace (gfc_namespace
*);
2639 void gfc_symbol_init_2 (void);
2640 void gfc_symbol_done_2 (void);
2642 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2643 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2644 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2645 void gfc_save_all (gfc_namespace
*);
2647 void gfc_enforce_clean_symbol_state (void);
2648 void gfc_free_dt_list (void);
2651 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2652 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2654 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2655 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2656 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2657 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2658 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2660 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2662 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2664 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2665 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2667 bool gfc_is_associate_pointer (gfc_symbol
*);
2668 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2669 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2671 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2672 extern bool gfc_init_expr_flag
;
2674 /* Given a symbol that we have decided is intrinsic, mark it as such
2675 by placing it into a special module that is otherwise impossible to
2678 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2680 void gfc_intrinsic_init_1 (void);
2681 void gfc_intrinsic_done_1 (void);
2683 char gfc_type_letter (bt
);
2684 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2685 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2686 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2687 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2688 int gfc_generic_intrinsic (const char *);
2689 int gfc_specific_intrinsic (const char *);
2690 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2691 int gfc_intrinsic_actual_ok (const char *, const bool);
2692 gfc_intrinsic_sym
*gfc_find_function (const char *);
2693 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2694 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2696 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2697 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2699 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2700 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2703 /* match.c -- FIXME */
2704 void gfc_free_iterator (gfc_iterator
*, int);
2705 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2706 void gfc_free_alloc_list (gfc_alloc
*);
2707 void gfc_free_namelist (gfc_namelist
*);
2708 void gfc_free_equiv (gfc_equiv
*);
2709 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2710 void gfc_free_data (gfc_data
*);
2711 void gfc_free_case_list (gfc_case
*);
2713 /* matchexp.c -- FIXME too? */
2714 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2717 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2718 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2719 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2720 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2721 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2722 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2723 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2724 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2727 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2728 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2729 const char *gfc_extract_int (gfc_expr
*, int *);
2730 bool is_subref_array (gfc_expr
*);
2731 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2732 gfc_try
gfc_check_init_expr (gfc_expr
*);
2734 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2735 void gfc_free_ref_list (gfc_ref
*);
2736 void gfc_type_convert_binary (gfc_expr
*, int);
2737 int gfc_is_constant_expr (gfc_expr
*);
2738 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2739 int gfc_has_vector_index (gfc_expr
*);
2741 gfc_expr
*gfc_get_expr (void);
2742 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2743 gfc_expr
*gfc_get_null_expr (locus
*);
2744 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2745 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2746 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2747 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2748 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2749 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2750 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2752 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2753 void gfc_free_shape (mpz_t
**shape
, int rank
);
2754 void gfc_free_expr (gfc_expr
*);
2755 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2756 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2757 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2758 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2759 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2761 gfc_try
gfc_specification_expr (gfc_expr
*);
2763 int gfc_numeric_ts (gfc_typespec
*);
2764 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2766 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2767 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2768 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2769 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2771 bool gfc_has_default_initializer (gfc_symbol
*);
2772 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2773 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2774 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2775 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2777 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2779 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2780 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2782 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2783 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2785 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2786 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2788 bool gfc_ref_this_image (gfc_ref
*ref
);
2789 bool gfc_is_coindexed (gfc_expr
*);
2790 bool gfc_is_coarray (gfc_expr
*);
2791 int gfc_get_corank (gfc_expr
*);
2792 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2793 bool gfc_has_ultimate_pointer (gfc_expr
*);
2795 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
2796 locus
, unsigned, ...);
2797 gfc_try
gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
2801 extern gfc_code new_st
;
2803 void gfc_clear_new_st (void);
2804 gfc_code
*gfc_get_code (void);
2805 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2806 void gfc_free_statement (gfc_code
*);
2807 void gfc_free_statements (gfc_code
*);
2808 void gfc_free_association_list (gfc_association_list
*);
2811 gfc_try
gfc_resolve_expr (gfc_expr
*);
2812 void gfc_resolve (gfc_namespace
*);
2813 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2814 int gfc_impure_variable (gfc_symbol
*);
2815 int gfc_pure (gfc_symbol
*);
2816 int gfc_implicit_pure (gfc_symbol
*);
2817 int gfc_elemental (gfc_symbol
*);
2818 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool, bool);
2819 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2820 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2821 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2822 int gfc_is_formal_arg (void);
2823 void gfc_resolve_substring_charlen (gfc_expr
*);
2824 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2825 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2826 bool gfc_type_is_extensible (gfc_symbol
*);
2827 gfc_try
gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2831 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2833 void gfc_free_array_spec (gfc_array_spec
*);
2834 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2836 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2837 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2838 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2840 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2842 void gfc_simplify_iterator_var (gfc_expr
*);
2843 gfc_try
gfc_expand_constructor (gfc_expr
*, bool);
2844 int gfc_constant_ac (gfc_expr
*);
2845 int gfc_expanded_ac (gfc_expr
*);
2846 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2847 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2848 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2849 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2850 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2851 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2852 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2853 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2854 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2855 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2856 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2857 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2858 int gfc_is_compile_time_shape (gfc_array_spec
*);
2860 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
2863 /* interface.c -- FIXME: some of these should be in symbol.c */
2864 void gfc_free_interface (gfc_interface
*);
2865 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2866 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2867 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2868 char *, int, const char *, const char *);
2869 void gfc_check_interfaces (gfc_namespace
*);
2870 gfc_try
gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2871 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2872 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2873 gfc_actual_arglist
**);
2874 match
gfc_extend_expr (gfc_expr
*);
2875 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2876 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2877 gfc_try
gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
2878 gfc_try
gfc_add_interface (gfc_symbol
*);
2879 gfc_interface
*gfc_current_interface_head (void);
2880 void gfc_set_current_interface_head (gfc_interface
*);
2881 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2882 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2883 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2884 int gfc_has_vector_subscript (gfc_expr
*);
2885 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
2886 gfc_try
gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
2889 extern gfc_st_label format_asterisk
;
2891 void gfc_free_open (gfc_open
*);
2892 gfc_try
gfc_resolve_open (gfc_open
*);
2893 void gfc_free_close (gfc_close
*);
2894 gfc_try
gfc_resolve_close (gfc_close
*);
2895 void gfc_free_filepos (gfc_filepos
*);
2896 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2897 void gfc_free_inquire (gfc_inquire
*);
2898 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2899 void gfc_free_dt (gfc_dt
*);
2900 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2901 void gfc_free_wait (gfc_wait
*);
2902 gfc_try
gfc_resolve_wait (gfc_wait
*);
2905 void gfc_module_init_2 (void);
2906 void gfc_module_done_2 (void);
2907 void gfc_dump_module (const char *, int);
2908 bool gfc_check_symbol_access (gfc_symbol
*);
2909 void gfc_free_use_stmts (gfc_use_list
*);
2912 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2913 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2914 match
gfc_match_rvalue (gfc_expr
**);
2915 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2916 int gfc_check_digit (char, int);
2917 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2918 gfc_try
gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
2920 gfc_actual_arglist
**, bool);
2923 void gfc_generate_code (gfc_namespace
*);
2924 void gfc_generate_module_code (gfc_namespace
*);
2925 void gfc_init_coarray_decl (bool);
2927 /* trans-intrinsic.c */
2928 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
2931 typedef int (*compare_fn
) (void *, void *);
2932 void gfc_insert_bbt (void *, void *, compare_fn
);
2933 void gfc_delete_bbt (void *, void *, compare_fn
);
2935 /* dump-parse-tree.c */
2936 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2939 gfc_try
gfc_parse_file (void);
2940 void gfc_global_used (gfc_gsymbol
*, locus
*);
2941 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
2944 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
2945 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2948 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2949 gfc_try
gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
2950 size_t*, size_t*, size_t*);
2953 void gfc_fix_class_refs (gfc_expr
*e
);
2954 void gfc_add_component_ref (gfc_expr
*, const char *);
2955 void gfc_add_class_array_ref (gfc_expr
*);
2956 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
2957 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
2958 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
2959 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
2960 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
2961 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
2962 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
2963 bool gfc_is_class_scalar_expr (gfc_expr
*);
2964 bool gfc_is_class_container_ref (gfc_expr
*e
);
2965 gfc_expr
*gfc_class_null_initializer (gfc_typespec
*, gfc_expr
*);
2966 unsigned int gfc_hash_value (gfc_symbol
*);
2967 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2968 gfc_array_spec
**, bool);
2969 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2970 gfc_symbol
*gfc_find_intrinsic_vtab (gfc_typespec
*);
2971 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2972 const char*, bool, locus
*);
2973 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
2974 const char*, bool, locus
*);
2975 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
2976 gfc_intrinsic_op
, bool,
2978 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2979 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
2981 #define CLASS_DATA(sym) sym->ts.u.derived->components
2982 #define UNLIMITED_POLY(sym) \
2983 (sym != NULL && sym->ts.type == BT_CLASS \
2984 && CLASS_DATA (sym) \
2985 && CLASS_DATA (sym)->ts.u.derived \
2986 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
2988 /* frontend-passes.c */
2990 void gfc_run_passes (gfc_namespace
*);
2992 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
2993 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
2995 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
2996 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
2998 #endif /* GCC_GFORTRAN_H */