1 /* gfortran header file
2 Copyright (C) 2000-2014 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* Declarations common to the front-end and library are put in
35 libgfortran/libgfortran_frontend.h */
36 #include "libgfortran.h"
41 #include "splay-tree.h"
44 /* Major control parameters. */
46 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
47 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
49 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
52 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
55 #define stringize(x) expand_macro(x)
56 #define expand_macro(x) # x
58 /* For the runtime library, a standard prefix is a requirement to
59 avoid cluttering the namespace with things nobody asked for. It's
60 ugly to look at and a pain to type when you add the prefix by hand,
61 so we hide it behind a macro. */
62 #define PREFIX(x) "_gfortran_" x
65 /* A prefix for internal variables, which are not user-visible. */
66 #if !defined (NO_DOT_IN_LABEL)
67 # define GFC_PREFIX(x) "_F." x
68 #elif !defined (NO_DOLLAR_IN_LABEL)
69 # define GFC_PREFIX(x) "_F$" x
71 # define GFC_PREFIX(x) "_F_" x
74 #define BLANK_COMMON_NAME "__BLNK__"
76 /* Macro to initialize an mstring structure. */
77 #define minit(s, t) { s, NULL, t }
79 /* Structure for storing strings to be matched by gfc_match_string. */
90 /*************************** Enums *****************************/
92 /* Used when matching and resolving data I/O transfer statements. */
95 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
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_ASSUMED_RANK
,
144 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
147 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
148 related to shared DO terminations and DO targets which are neither END DO
149 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
151 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
152 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
156 /* Intrinsic operators. */
158 { GFC_INTRINSIC_BEGIN
= 0,
159 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
160 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
161 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
162 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
163 /* ==, /=, >, >=, <, <= */
164 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
165 INTRINSIC_LT
, INTRINSIC_LE
,
166 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
167 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
168 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
169 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
170 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
174 /* This macro is the number of intrinsic operators that exist.
175 Assumptions are made about the numbering of the interface_op enums. */
176 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
178 /* Arithmetic results. */
180 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
181 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
188 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
189 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
190 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
191 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
192 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
193 ST_ENDDO
, ST_IMPLIED_ENDDO
,
194 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
195 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
196 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
197 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
198 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
199 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
200 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
201 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
202 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
203 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
204 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
205 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
206 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
207 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
208 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
209 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
210 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
211 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
212 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
213 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
214 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
215 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
216 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
217 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_PROCEDURE
, ST_GENERIC
,
218 ST_CRITICAL
, ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
,
223 /* Types of interfaces that we can have. Assignment interfaces are
224 considered to be intrinsic operators. */
227 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
228 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
232 /* Symbol flavors: these are all mutually exclusive.
233 10 elements = 4 bits. */
234 typedef enum sym_flavor
236 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
237 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
242 /* Procedure types. 7 elements = 3 bits. */
243 typedef enum procedure_type
244 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
245 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
250 typedef enum sym_intent
251 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
256 typedef enum gfc_access
257 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
261 /* Flags to keep track of where an interface came from.
262 3 elements = 2 bits. */
264 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
265 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
266 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
267 with explicit interface. */
271 /* Whether a SAVE attribute was set explicitly or implicitly. */
272 typedef enum save_state
273 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
277 /* Strings for all symbol attributes. We use these for dumping the
278 parse tree, in error messages, and also when reading and writing
279 modules. In symbol.c. */
280 extern const mstring flavors
[];
281 extern const mstring procedures
[];
282 extern const mstring intents
[];
283 extern const mstring access_types
[];
284 extern const mstring ifsrc_types
[];
285 extern const mstring save_status
[];
287 /* Enumeration of all the generic intrinsic functions. Used by the
288 backend for identification of a function. */
292 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
293 the backend (e.g. KIND). */
335 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
336 GFC_ISYM_COMPILER_OPTIONS
,
337 GFC_ISYM_COMPILER_VERSION
,
347 GFC_ISYM_C_ASSOCIATED
,
348 GFC_ISYM_C_F_POINTER
,
349 GFC_ISYM_C_F_PROCPOINTER
,
353 GFC_ISYM_DATE_AND_TIME
,
357 GFC_ISYM_DOT_PRODUCT
,
366 GFC_ISYM_ERFC_SCALED
,
368 GFC_ISYM_EXECUTE_COMMAND_LINE
,
372 GFC_ISYM_EXTENDS_TYPE_OF
,
389 GFC_ISYM_GET_COMMAND
,
390 GFC_ISYM_GET_COMMAND_ARGUMENT
,
393 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
414 GFC_ISYM_IMAGE_INDEX
,
423 GFC_ISYM_IS_IOSTAT_END
,
424 GFC_ISYM_IS_IOSTAT_EOR
,
459 GFC_ISYM_MAXEXPONENT
,
467 GFC_ISYM_MINEXPONENT
,
492 GFC_ISYM_RANDOM_NUMBER
,
493 GFC_ISYM_RANDOM_SEED
,
502 GFC_ISYM_SAME_TYPE_AS
,
508 GFC_ISYM_SET_EXPONENT
,
528 GFC_ISYM_STORAGE_SIZE
,
534 GFC_ISYM_SYSTEM_CLOCK
,
558 typedef enum gfc_isym_id gfc_isym_id
;
563 GFC_INIT_REAL_OFF
= 0,
568 GFC_INIT_REAL_NEG_INF
574 GFC_INIT_LOGICAL_OFF
= 0,
575 GFC_INIT_LOGICAL_FALSE
,
576 GFC_INIT_LOGICAL_TRUE
582 GFC_INIT_CHARACTER_OFF
= 0,
583 GFC_INIT_CHARACTER_ON
585 init_local_character
;
589 GFC_INIT_INTEGER_OFF
= 0,
596 GFC_FCOARRAY_NONE
= 0,
611 /************************* Structures *****************************/
613 /* Used for keeping things in balanced binary trees. */
614 #define BBT_HEADER(self) int priority; struct self *left, *right
616 #define NAMED_INTCST(a,b,c,d) a,
617 #define NAMED_KINDARRAY(a,b,c,d) a,
618 #define NAMED_FUNCTION(a,b,c,d) a,
619 #define NAMED_SUBROUTINE(a,b,c,d) a,
620 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
623 ISOFORTRANENV_INVALID
= -1,
624 #include "iso-fortran-env.def"
625 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
627 iso_fortran_env_symbol
;
629 #undef NAMED_KINDARRAY
630 #undef NAMED_FUNCTION
631 #undef NAMED_SUBROUTINE
632 #undef NAMED_DERIVED_TYPE
634 #define NAMED_INTCST(a,b,c,d) a,
635 #define NAMED_REALCST(a,b,c,d) a,
636 #define NAMED_CMPXCST(a,b,c,d) a,
637 #define NAMED_LOGCST(a,b,c) a,
638 #define NAMED_CHARKNDCST(a,b,c) a,
639 #define NAMED_CHARCST(a,b,c) a,
640 #define DERIVED_TYPE(a,b,c) a,
641 #define NAMED_FUNCTION(a,b,c,d) a,
642 #define NAMED_SUBROUTINE(a,b,c,d) a,
645 ISOCBINDING_INVALID
= -1,
646 #include "iso-c-binding.def"
648 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
650 iso_c_binding_symbol
;
655 #undef NAMED_CHARKNDCST
658 #undef NAMED_FUNCTION
659 #undef NAMED_SUBROUTINE
663 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
669 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
670 int value
; /* Used for both integer and character values. */
675 /* Array of structs, where the structs represent the C interop kinds.
676 The list will be implemented based on a hash of the kind name since
677 these could be accessed multiple times.
678 Declared in trans-types.c as a global, since it's in that file
679 that the list is initialized. */
680 extern CInteropKind_t c_interop_kinds_table
[];
683 /* Structure and list of supported extension attributes. */
686 EXT_ATTR_DLLIMPORT
= 0,
691 EXT_ATTR_NO_ARG_CHECK
,
692 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
700 const char *middle_end_name
;
704 extern const ext_attr_t ext_attr_list
[];
706 /* Symbol attribute structure. */
709 /* Variable attributes. */
710 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
711 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
712 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
713 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
716 /* For CLASS containers, the pointer attribute is sometimes set internally
717 even though it was not directly specified. In this case, keep the
718 "real" (original) value here. */
719 unsigned class_pointer
:1;
721 ENUM_BITFIELD (save_state
) save
:2;
723 unsigned data
:1, /* Symbol is named in a DATA statement. */
724 is_protected
:1, /* Symbol has been marked as protected. */
725 use_assoc
:1, /* Symbol has been use-associated. */
726 use_only
:1, /* Symbol has been use-associated, with ONLY. */
727 use_rename
:1, /* Symbol has been use-associated and renamed. */
728 imported
:1, /* Symbol has been associated by IMPORT. */
729 host_assoc
:1; /* Symbol has been host associated. */
731 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
732 unsigned function
:1, subroutine
:1, procedure
:1;
733 unsigned generic
:1, generic_copy
:1;
734 unsigned implicit_type
:1; /* Type defined via implicit rules. */
735 unsigned untyped
:1; /* No implicit type could be found. */
737 unsigned is_bind_c
:1; /* say if is bound to C. */
738 unsigned extension
:8; /* extension level of a derived type. */
739 unsigned is_class
:1; /* is a CLASS container. */
740 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
741 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
742 unsigned vtype
:1; /* is a derived type of a vtab. */
744 /* These flags are both in the typespec and attribute. The attribute
745 list is what gets read from/written to a module file. The typespec
746 is created from a decl being processed. */
747 unsigned is_c_interop
:1; /* It's c interoperable. */
748 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
750 /* Function/subroutine attributes */
751 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
752 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
754 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
755 which is relevant for private module procedures. */
756 unsigned public_used
:1;
758 /* This is set if a contained procedure could be declared pure. This is
759 used for certain optimizations that require the result or arguments
760 cannot alias. Note that this is zero for PURE procedures. */
761 unsigned implicit_pure
:1;
763 /* This is set if the subroutine doesn't return. Currently, this
764 is only possible for intrinsic subroutines. */
767 /* Set if this procedure is an alternate entry point. These procedures
768 don't have any code associated, and the backend will turn them into
769 thunks to the master function. */
772 /* Set if this is the master function for a procedure with multiple
774 unsigned entry_master
:1;
776 /* Set if this is the master function for a function with multiple
777 entry points where characteristics of the entry points differ. */
778 unsigned mixed_entry_master
:1;
780 /* Set if a function must always be referenced by an explicit interface. */
781 unsigned always_explicit
:1;
783 /* Set if the symbol is generated and, hence, standard violations
784 shouldn't be flaged. */
785 unsigned artificial
:1;
787 /* Set if the symbol has been referenced in an expression. No further
788 modification of type or type parameters is permitted. */
789 unsigned referenced
:1;
791 /* Set if this is the symbol for the main program. */
792 unsigned is_main_program
:1;
794 /* Mutually exclusive multibit attributes. */
795 ENUM_BITFIELD (gfc_access
) access
:2;
796 ENUM_BITFIELD (sym_intent
) intent
:2;
797 ENUM_BITFIELD (sym_flavor
) flavor
:4;
798 ENUM_BITFIELD (ifsrc
) if_source
:2;
800 ENUM_BITFIELD (procedure_type
) proc
:3;
802 /* Special attributes for Cray pointers, pointees. */
803 unsigned cray_pointer
:1, cray_pointee
:1;
805 /* The symbol is a derived type with allocatable components, pointer
806 components or private components, procedure pointer components,
807 possibly nested. zero_comp is true if the derived type has no
808 component at all. defined_assign_comp is true if the derived
809 type or a (sub-)component has a typebound defined assignment.
810 unlimited_polymorphic flags the type of the container for these
812 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
813 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
814 defined_assign_comp
:1, unlimited_polymorphic
:1;
816 /* This is a temporary selector for SELECT TYPE or an associate
817 variable for SELECT_TYPE or ASSOCIATE. */
818 unsigned select_type_temporary
:1, associate_var
:1;
820 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
821 unsigned ext_attr
:EXT_ATTR_NUM
;
823 /* Is a parameter associated with a deferred type component. */
824 unsigned deferred_parameter
:1;
826 /* The namespace where the attribute has been set. */
827 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
832 /* We need to store source lines as sequences of multibyte source
833 characters. We define here a type wide enough to hold any multibyte
834 source character, just like libcpp does. A 32-bit type is enough. */
836 #if HOST_BITS_PER_INT >= 32
837 typedef unsigned int gfc_char_t
;
838 #elif HOST_BITS_PER_LONG >= 32
839 typedef unsigned long gfc_char_t
;
840 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
841 typedef unsigned long long gfc_char_t
;
843 # error "Cannot find an integer type with at least 32 bits"
847 /* The following three structures are used to identify a location in
850 gfc_file is used to maintain a tree of the source files and how
851 they include each other
853 gfc_linebuf holds a single line of source code and information
854 which file it resides in
856 locus point to the sourceline and the character in the source
860 typedef struct gfc_file
862 struct gfc_file
*next
, *up
;
863 int inclusion_line
, line
;
867 typedef struct gfc_linebuf
869 source_location location
;
870 struct gfc_file
*file
;
871 struct gfc_linebuf
*next
;
879 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
881 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
889 /* In order for the "gfc" format checking to work correctly, you must
890 have declared a typedef locus first. */
891 #if GCC_VERSION >= 4001
892 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
894 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
898 /* Suppress error messages or re-enable them. */
900 void gfc_push_suppress_errors (void);
901 void gfc_pop_suppress_errors (void);
904 /* Character length structures hold the expression that gives the
905 length of a character variable. We avoid putting these into
906 gfc_typespec because doing so prevents us from doing structure
907 copies and forces us to deallocate any typespecs we create, as well
908 as structures that contain typespecs. They also can have multiple
909 character typespecs pointing to them.
911 These structures form a singly linked list within the current
912 namespace and are deallocated with the namespace. It is possible to
913 end up with gfc_charlen structures that have nothing pointing to them. */
915 typedef struct gfc_charlen
917 struct gfc_expr
*length
;
918 struct gfc_charlen
*next
;
919 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
921 tree passed_length
; /* Length argument explicitly passed. */
927 #define gfc_get_charlen() XCNEW (gfc_charlen)
929 /* Type specification structure. */
937 struct gfc_symbol
*derived
; /* For derived types only. */
938 gfc_charlen
*cl
; /* For character types only. */
939 int pad
; /* For hollerith types only. */
943 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
951 /* Array specification. */
954 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
956 array_type type
, cotype
;
957 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
959 /* These two fields are used with the Cray Pointer extension. */
960 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
961 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
962 AS_EXPLICIT, but we want to remember that we
968 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
971 /* Components of derived types. */
972 typedef struct gfc_component
977 symbol_attribute attr
;
981 /* Used to cache a FIELD_DECL matching this same component
982 but applied to a different backend containing type that was
983 generated by gfc_nonrestricted_type. */
984 tree norestrict_decl
;
986 struct gfc_expr
*initializer
;
987 struct gfc_component
*next
;
989 /* Needed for procedure pointer components. */
990 struct gfc_typebound_proc
*tb
;
994 #define gfc_get_component() XCNEW (gfc_component)
996 /* Formal argument lists are lists of symbols. */
997 typedef struct gfc_formal_arglist
999 /* Symbol representing the argument at this position in the arglist. */
1000 struct gfc_symbol
*sym
;
1001 /* Points to the next formal argument. */
1002 struct gfc_formal_arglist
*next
;
1006 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1009 /* The gfc_actual_arglist structure is for actual arguments. */
1010 typedef struct gfc_actual_arglist
1013 /* Alternate return label when the expr member is null. */
1014 struct gfc_st_label
*label
;
1016 /* This is set to the type of an eventual omitted optional
1017 argument. This is used to determine if a hidden string length
1018 argument has to be added to a function call. */
1019 bt missing_arg_type
;
1021 struct gfc_expr
*expr
;
1022 struct gfc_actual_arglist
*next
;
1026 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1029 /* Because a symbol can belong to multiple namelists, they must be
1030 linked externally to the symbol itself. */
1031 typedef struct gfc_namelist
1033 struct gfc_symbol
*sym
;
1034 struct gfc_namelist
*next
;
1038 #define gfc_get_namelist() XCNEW (gfc_namelist)
1040 /* For use in OpenMP clauses in case we need extra information
1041 (aligned clause alignment, linear clause step, etc.). */
1043 typedef struct gfc_omp_namelist
1045 struct gfc_symbol
*sym
;
1046 struct gfc_expr
*expr
;
1047 struct gfc_omp_namelist
*next
;
1051 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1056 OMP_LIST_FIRSTPRIVATE
,
1057 OMP_LIST_LASTPRIVATE
,
1058 OMP_LIST_COPYPRIVATE
,
1065 OMP_LIST_DEPEND_OUT
,
1067 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1079 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1083 /* Because a symbol can belong to multiple namelists, they must be
1084 linked externally to the symbol itself. */
1086 enum gfc_omp_sched_kind
1096 enum gfc_omp_default_sharing
1098 OMP_DEFAULT_UNKNOWN
,
1100 OMP_DEFAULT_PRIVATE
,
1102 OMP_DEFAULT_FIRSTPRIVATE
1105 enum gfc_omp_proc_bind_kind
1107 OMP_PROC_BIND_UNKNOWN
,
1108 OMP_PROC_BIND_MASTER
,
1109 OMP_PROC_BIND_SPREAD
,
1113 enum gfc_omp_cancel_kind
1116 OMP_CANCEL_PARALLEL
,
1117 OMP_CANCEL_SECTIONS
,
1119 OMP_CANCEL_TASKGROUP
1122 typedef struct gfc_omp_clauses
1124 struct gfc_expr
*if_expr
;
1125 struct gfc_expr
*final_expr
;
1126 struct gfc_expr
*num_threads
;
1127 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1128 enum gfc_omp_sched_kind sched_kind
;
1129 struct gfc_expr
*chunk_size
;
1130 enum gfc_omp_default_sharing default_sharing
;
1132 bool nowait
, ordered
, untied
, mergeable
;
1133 bool inbranch
, notinbranch
;
1134 enum gfc_omp_cancel_kind cancel
;
1135 enum gfc_omp_proc_bind_kind proc_bind
;
1136 struct gfc_expr
*safelen_expr
;
1137 struct gfc_expr
*simdlen_expr
;
1141 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1144 /* Node in the linked list used for storing !$omp declare simd constructs. */
1146 typedef struct gfc_omp_declare_simd
1148 struct gfc_omp_declare_simd
*next
;
1149 locus where
; /* Where the !$omp declare simd construct occurred. */
1151 gfc_symbol
*proc_name
;
1153 gfc_omp_clauses
*clauses
;
1155 gfc_omp_declare_simd
;
1156 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1159 /* The gfc_st_label structure is a BBT attached to a namespace that
1160 records the usage of statement labels within that space. */
1162 typedef struct gfc_st_label
1164 BBT_HEADER(gfc_st_label
);
1168 gfc_sl_type defined
, referenced
;
1170 struct gfc_expr
*format
;
1179 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1180 typedef struct gfc_interface
1182 struct gfc_symbol
*sym
;
1184 struct gfc_interface
*next
;
1188 #define gfc_get_interface() XCNEW (gfc_interface)
1190 /* User operator nodes. These are like stripped down symbols. */
1196 struct gfc_namespace
*ns
;
1202 /* A list of specific bindings that are associated with a generic spec. */
1203 typedef struct gfc_tbp_generic
1205 /* The parser sets specific_st, upon resolution we look for the corresponding
1206 gfc_typebound_proc and set specific for further use. */
1207 struct gfc_symtree
* specific_st
;
1208 struct gfc_typebound_proc
* specific
;
1210 struct gfc_tbp_generic
* next
;
1215 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1218 /* Data needed for type-bound procedures. */
1219 typedef struct gfc_typebound_proc
1221 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1225 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1226 gfc_tbp_generic
* generic
;
1231 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1233 /* The overridden type-bound proc (or GENERIC with this name in the
1234 parent-type) or NULL if non. */
1235 struct gfc_typebound_proc
* overridden
;
1237 /* Once resolved, we use the position of pass_arg in the formal arglist of
1238 the binding-target procedure to identify it. The first argument has
1239 number 1 here, the second 2, and so on. */
1240 unsigned pass_arg_num
;
1242 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1243 unsigned non_overridable
:1;
1244 unsigned deferred
:1;
1245 unsigned is_generic
:1;
1246 unsigned function
:1, subroutine
:1;
1247 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1253 /* Symbol nodes. These are important things. They are what the
1254 standard refers to as "entities". The possibly multiple names that
1255 refer to the same entity are accomplished by a binary tree of
1256 symtree structures that is balanced by the red-black method-- more
1257 than one symtree node can point to any given symbol. */
1259 typedef struct gfc_symbol
1261 const char *name
; /* Primary name, before renaming */
1262 const char *module
; /* Module this symbol came from */
1266 symbol_attribute attr
;
1268 /* The formal member points to the formal argument list if the
1269 symbol is a function or subroutine name. If the symbol is a
1270 generic name, the generic member points to the list of
1273 gfc_interface
*generic
;
1274 gfc_access component_access
;
1276 gfc_formal_arglist
*formal
;
1277 struct gfc_namespace
*formal_ns
;
1278 struct gfc_namespace
*f2k_derived
;
1280 struct gfc_expr
*value
; /* Parameter/Initializer value */
1282 struct gfc_symbol
*result
; /* function result symbol */
1283 gfc_component
*components
; /* Derived type components */
1285 /* Defined only for Cray pointees; points to their pointer. */
1286 struct gfc_symbol
*cp_pointer
;
1288 int entry_id
; /* Used in resolve.c for entries. */
1290 /* CLASS hashed name for declared and dynamic types in the class. */
1293 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1295 /* This is in fact a gfc_common_head but it is only used for pointer
1296 comparisons to check if symbols are in the same common block. */
1297 struct gfc_common_head
* common_head
;
1299 /* Make sure setup code for dummy arguments is generated in the correct
1303 gfc_namelist
*namelist
, *namelist_tail
;
1305 /* Change management fields. Symbols that might be modified by the
1306 current statement have the mark member nonzero and are kept in a
1307 singly linked list through the tlink field. Of these symbols,
1308 symbols with old_symbol equal to NULL are symbols created within
1309 the current statement. Otherwise, old_symbol points to a copy of
1312 struct gfc_symbol
*old_symbol
, *tlink
;
1313 unsigned mark
:1, gfc_new
:1;
1314 /* Nonzero if all equivalences associated with this symbol have been
1316 unsigned equiv_built
:1;
1317 /* Set if this variable is used as an index name in a FORALL. */
1318 unsigned forall_index
:1;
1319 /* Used to avoid multiple resolutions of a single symbol. */
1320 unsigned resolved
:1;
1323 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1327 /* Identity of the intrinsic module the symbol comes from, or
1328 INTMOD_NONE if it's not imported from a intrinsic module. */
1329 intmod_id from_intmod
;
1330 /* Identity of the symbol from intrinsic modules, from enums maintained
1331 separately by each intrinsic module. Used together with from_intmod,
1332 it uniquely identifies a symbol from an intrinsic module. */
1335 /* This may be repetitive, since the typespec now has a binding
1337 const char* binding_label
;
1338 /* Store a reference to the common_block, if this symbol is in one. */
1339 struct gfc_common_head
*common_block
;
1341 /* Link to corresponding association-list if this is an associate name. */
1342 struct gfc_association_list
*assoc
;
1347 struct gfc_undo_change_set
1349 vec
<gfc_symbol
*> syms
;
1350 vec
<gfc_typebound_proc
*> tbps
;
1351 gfc_undo_change_set
*previous
;
1355 /* This structure is used to keep track of symbols in common blocks. */
1356 typedef struct gfc_common_head
1359 char use_assoc
, saved
, threadprivate
;
1360 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1361 struct gfc_symbol
*head
;
1362 const char* binding_label
;
1368 #define gfc_get_common_head() XCNEW (gfc_common_head)
1371 /* A list of all the alternate entry points for a procedure. */
1373 typedef struct gfc_entry_list
1375 /* The symbol for this entry point. */
1377 /* The zero-based id of this entry point. */
1379 /* The LABEL_EXPR marking this entry point. */
1381 /* The next item in the list. */
1382 struct gfc_entry_list
*next
;
1386 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1388 /* Lists of rename info for the USE statement. */
1390 typedef struct gfc_use_rename
1392 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1393 struct gfc_use_rename
*next
;
1395 gfc_intrinsic_op op
;
1400 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1402 /* A list of all USE statements in a namespace. */
1404 typedef struct gfc_use_list
1406 const char *module_name
;
1410 struct gfc_use_rename
*rename
;
1412 /* Next USE statement. */
1413 struct gfc_use_list
*next
;
1417 #define gfc_get_use_list() XCNEW (gfc_use_list)
1419 /* Within a namespace, symbols are pointed to by symtree nodes that
1420 are linked together in a balanced binary tree. There can be
1421 several symtrees pointing to the same symbol node via USE
1424 typedef struct gfc_symtree
1426 BBT_HEADER (gfc_symtree
);
1431 gfc_symbol
*sym
; /* Symbol associated with this node */
1433 gfc_common_head
*common
;
1434 gfc_typebound_proc
*tb
;
1440 /* A linked list of derived types in the namespace. */
1441 typedef struct gfc_dt_list
1443 struct gfc_symbol
*derived
;
1444 struct gfc_dt_list
*next
;
1448 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1450 /* A list of all derived types. */
1451 extern gfc_dt_list
*gfc_derived_types
;
1453 /* A namespace describes the contents of procedure, module, interface block
1454 or BLOCK construct. */
1455 /* ??? Anything else use these? */
1457 typedef struct gfc_namespace
1459 /* Tree containing all the symbols in this namespace. */
1460 gfc_symtree
*sym_root
;
1461 /* Tree containing all the user-defined operators in the namespace. */
1462 gfc_symtree
*uop_root
;
1463 /* Tree containing all the common blocks. */
1464 gfc_symtree
*common_root
;
1466 /* Tree containing type-bound procedures. */
1467 gfc_symtree
*tb_sym_root
;
1468 /* Type-bound user operators. */
1469 gfc_symtree
*tb_uop_root
;
1470 /* For derived-types, store type-bound intrinsic operators here. */
1471 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1472 /* Linked list of finalizer procedures. */
1473 struct gfc_finalizer
*finalizers
;
1475 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1476 int set_flag
[GFC_LETTERS
];
1477 /* Keeps track of the implicit types associated with the letters. */
1478 gfc_typespec default_type
[GFC_LETTERS
];
1479 /* Store the positions of IMPLICIT statements. */
1480 locus implicit_loc
[GFC_LETTERS
];
1482 /* If this is a namespace of a procedure, this points to the procedure. */
1483 struct gfc_symbol
*proc_name
;
1484 /* If this is the namespace of a unit which contains executable
1485 code, this points to it. */
1486 struct gfc_code
*code
;
1488 /* Points to the equivalences set up in this namespace. */
1489 struct gfc_equiv
*equiv
, *old_equiv
;
1491 /* Points to the equivalence groups produced by trans_common. */
1492 struct gfc_equiv_list
*equiv_lists
;
1494 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1496 /* Points to the parent namespace, i.e. the namespace of a module or
1497 procedure in which the procedure belonging to this namespace is
1498 contained. The parent namespace points to this namespace either
1499 directly via CONTAINED, or indirectly via the chain built by
1501 struct gfc_namespace
*parent
;
1502 /* CONTAINED points to the first contained namespace. Sibling
1503 namespaces are chained via SIBLING. */
1504 struct gfc_namespace
*contained
, *sibling
;
1506 gfc_common_head blank_common
;
1507 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1509 gfc_st_label
*st_labels
;
1510 /* This list holds information about all the data initializers in
1512 struct gfc_data
*data
;
1514 gfc_charlen
*cl_list
, *old_cl_list
;
1516 gfc_dt_list
*derived_types
;
1518 int save_all
, seen_save
, seen_implicit_none
;
1520 /* Normally we don't need to refcount namespaces. However when we read
1521 a module containing a function with multiple entry points, this
1522 will appear as several functions with the same formal namespace. */
1525 /* A list of all alternate entry points to this procedure (or NULL). */
1526 gfc_entry_list
*entries
;
1528 /* A list of USE statements in this namespace. */
1529 gfc_use_list
*use_stmts
;
1531 /* Linked list of !$omp declare simd constructs. */
1532 struct gfc_omp_declare_simd
*omp_declare_simd
;
1534 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1535 unsigned is_block_data
:1;
1537 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1538 unsigned has_import_set
:1;
1540 /* Set to 1 if resolved has been called for this namespace.
1541 Holds -1 during resolution. */
1544 /* Set to 1 if code has been generated for this namespace. */
1545 unsigned translated
:1;
1547 /* Set to 1 if symbols in this namespace should be 'construct entities',
1548 i.e. for BLOCK local variables. */
1549 unsigned construct_entities
:1;
1553 extern gfc_namespace
*gfc_current_ns
;
1554 extern gfc_namespace
*gfc_global_ns_list
;
1556 /* Global symbols are symbols of global scope. Currently we only use
1557 this to detect collisions already when parsing.
1558 TODO: Extend to verify procedure calls. */
1560 enum gfc_symbol_type
1562 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1563 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1566 typedef struct gfc_gsymbol
1568 BBT_HEADER(gfc_gsymbol
);
1571 const char *sym_name
;
1572 const char *mod_name
;
1573 const char *binding_label
;
1574 enum gfc_symbol_type type
;
1582 extern gfc_gsymbol
*gfc_gsym_root
;
1584 /* Information on interfaces being built. */
1587 interface_type type
;
1591 gfc_intrinsic_op op
;
1595 extern gfc_interface_info current_interface
;
1598 /* Array reference. */
1600 enum gfc_array_ref_dimen_type
1602 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1605 typedef struct gfc_array_ref
1608 int dimen
; /* # of components in the reference */
1610 bool in_allocate
; /* For coarray checks. */
1614 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1615 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1616 *stride
[GFC_MAX_DIMENSIONS
];
1618 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1622 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1625 /* Component reference nodes. A variable is stored as an expression
1626 node that points to the base symbol. After that, a singly linked
1627 list of component reference nodes gives the variable's complete
1628 resolution. The array_ref component may be present and comes
1629 before the component component. */
1632 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1635 typedef struct gfc_ref
1641 struct gfc_array_ref ar
;
1645 gfc_component
*component
;
1652 struct gfc_expr
*start
, *end
; /* Substring */
1653 gfc_charlen
*length
;
1660 struct gfc_ref
*next
;
1664 #define gfc_get_ref() XCNEW (gfc_ref)
1667 /* Structures representing intrinsic symbols and their arguments lists. */
1668 typedef struct gfc_intrinsic_arg
1670 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1673 unsigned optional
:1, value
:1;
1674 ENUM_BITFIELD (sym_intent
) intent
:2;
1675 gfc_actual_arglist
*actual
;
1677 struct gfc_intrinsic_arg
*next
;
1683 /* Specifies the various kinds of check functions used to verify the
1684 argument lists of intrinsic functions. fX with X an integer refer
1685 to check functions of intrinsics with X arguments. f1m is used for
1686 the MAX and MIN intrinsics which can have an arbitrary number of
1687 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1688 these have special semantics. */
1693 bool (*f1
)(struct gfc_expr
*);
1694 bool (*f1m
)(gfc_actual_arglist
*);
1695 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1696 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1697 bool (*f3ml
)(gfc_actual_arglist
*);
1698 bool (*f3red
)(gfc_actual_arglist
*);
1699 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1701 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1702 struct gfc_expr
*, struct gfc_expr
*);
1706 /* Like gfc_check_f, these specify the type of the simplification
1707 function associated with an intrinsic. The fX are just like in
1708 gfc_check_f. cc is used for type conversion functions. */
1712 struct gfc_expr
*(*f0
)(void);
1713 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1714 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1715 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1717 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1718 struct gfc_expr
*, struct gfc_expr
*);
1719 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1720 struct gfc_expr
*, struct gfc_expr
*,
1722 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1726 /* Again like gfc_check_f, these specify the type of the resolution
1727 function associated with an intrinsic. The fX are just like in
1728 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1732 void (*f0
)(struct gfc_expr
*);
1733 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1734 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1735 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1736 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1738 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1739 struct gfc_expr
*, struct gfc_expr
*);
1740 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1741 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1742 void (*s1
)(struct gfc_code
*);
1747 typedef struct gfc_intrinsic_sym
1749 const char *name
, *lib_name
;
1750 gfc_intrinsic_arg
*formal
;
1752 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1753 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1758 gfc_simplify_f simplify
;
1760 gfc_resolve_f resolve
;
1761 struct gfc_intrinsic_sym
*specific_head
, *next
;
1768 /* Expression nodes. The expression node types deserve explanations,
1769 since the last couple can be easily misconstrued:
1771 EXPR_OP Operator node pointing to one or two other nodes
1772 EXPR_FUNCTION Function call, symbol points to function's name
1773 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1774 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1775 which expresses structure, array and substring refs.
1776 EXPR_NULL The NULL pointer value (which also has a basic type).
1777 EXPR_SUBSTRING A substring of a constant string
1778 EXPR_STRUCTURE A structure constructor
1779 EXPR_ARRAY An array constructor.
1780 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1781 component or type-bound procedure. */
1785 #define GFC_RND_MODE GMP_RNDN
1786 #define GFC_MPC_RND_MODE MPC_RNDNN
1788 typedef splay_tree gfc_constructor_base
;
1790 typedef struct gfc_expr
1794 gfc_typespec ts
; /* These two refer to the overall expression */
1796 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1797 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1799 /* Nonnull for functions and structure constructors, may also used to hold the
1800 base-object for component calls. */
1801 gfc_symtree
*symtree
;
1807 /* Used to store the base expression in component calls, when the expression
1808 is not a variable. */
1809 struct gfc_expr
*base_expr
;
1811 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1812 denotes a signalling not-a-number. */
1813 unsigned int is_boz
: 1, is_snan
: 1;
1815 /* Sometimes, when an error has been emitted, it is necessary to prevent
1816 it from recurring. */
1817 unsigned int error
: 1;
1819 /* Mark an expression where a user operator has been substituted by
1820 a function call in interface.c(gfc_extend_expr). */
1821 unsigned int user_operator
: 1;
1823 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1824 unsigned int mold
: 1;
1826 /* If an expression comes from a Hollerith constant or compile-time
1827 evaluation of a transfer statement, it may have a prescribed target-
1828 memory representation, and these cannot always be backformed from
1851 gfc_intrinsic_op op
;
1853 struct gfc_expr
*op1
, *op2
;
1859 gfc_actual_arglist
*actual
;
1860 const char *name
; /* Points to the ultimate name of the function */
1861 gfc_intrinsic_sym
*isym
;
1868 gfc_actual_arglist
* actual
;
1870 /* Base-object, whose component was called. NULL means that it should
1871 be taken from symtree/ref. */
1872 struct gfc_expr
* base_object
;
1873 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1875 /* For type-bound operators, we want to call PASS procedures but already
1876 have the full arglist; mark this, so that it is not extended by the
1878 unsigned ignore_pass
:1;
1880 /* Do assign-calls rather than calls, that is appropriate dependency
1893 gfc_constructor_base constructor
;
1901 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1903 /* Structures for information associated with different kinds of
1904 numbers. The first set of integer parameters define all there is
1905 to know about a particular kind. The rest of the elements are
1906 computed from the first elements. */
1910 /* Values really representable by the target. */
1911 mpz_t huge
, pedantic_min_int
, min_int
;
1913 int kind
, radix
, digits
, bit_size
, range
;
1915 /* True if the C type of the given name maps to this precision.
1916 Note that more than one bit can be set. */
1917 unsigned int c_char
: 1;
1918 unsigned int c_short
: 1;
1919 unsigned int c_int
: 1;
1920 unsigned int c_long
: 1;
1921 unsigned int c_long_long
: 1;
1925 extern gfc_integer_info gfc_integer_kinds
[];
1932 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1933 unsigned int c_bool
: 1;
1937 extern gfc_logical_info gfc_logical_kinds
[];
1942 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1943 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1944 int range
, precision
;
1946 /* The precision of the type as reported by GET_MODE_PRECISION. */
1949 /* True if the C type of the given name maps to this precision.
1950 Note that more than one bit can be set. */
1951 unsigned int c_float
: 1;
1952 unsigned int c_double
: 1;
1953 unsigned int c_long_double
: 1;
1954 unsigned int c_float128
: 1;
1958 extern gfc_real_info gfc_real_kinds
[];
1967 extern gfc_character_info gfc_character_kinds
[];
1970 /* Equivalence structures. Equivalent lvalues are linked along the
1971 *eq pointer, equivalence sets are strung along the *next node. */
1972 typedef struct gfc_equiv
1974 struct gfc_equiv
*next
, *eq
;
1981 #define gfc_get_equiv() XCNEW (gfc_equiv)
1983 /* Holds a single equivalence member after processing. */
1984 typedef struct gfc_equiv_info
1987 HOST_WIDE_INT offset
;
1988 HOST_WIDE_INT length
;
1989 struct gfc_equiv_info
*next
;
1992 /* Holds equivalence groups, after they have been processed. */
1993 typedef struct gfc_equiv_list
1995 gfc_equiv_info
*equiv
;
1996 struct gfc_equiv_list
*next
;
1999 /* gfc_case stores the selector list of a case statement. The *low
2000 and *high pointers can point to the same expression in the case of
2001 a single value. If *high is NULL, the selection is from *low
2002 upwards, if *low is NULL the selection is *high downwards.
2004 This structure has separate fields to allow single and double linked
2005 lists of CASEs at the same time. The singe linked list along the NEXT
2006 field is a list of cases for a single CASE label. The double linked
2007 list along the LEFT/RIGHT fields is used to detect overlap and to
2008 build a table of the cases for SELECT constructs with a CHARACTER
2011 typedef struct gfc_case
2013 /* Where we saw this case. */
2017 /* Case range values. If (low == high), it's a single value. If one of
2018 the labels is NULL, it's an unbounded case. If both are NULL, this
2019 represents the default case. */
2020 gfc_expr
*low
, *high
;
2022 /* Only used for SELECT TYPE. */
2025 /* Next case label in the list of cases for a single CASE label. */
2026 struct gfc_case
*next
;
2028 /* Used for detecting overlap, and for code generation. */
2029 struct gfc_case
*left
, *right
;
2031 /* True if this case label can never be matched. */
2036 #define gfc_get_case() XCNEW (gfc_case)
2041 gfc_expr
*var
, *start
, *end
, *step
;
2045 #define gfc_get_iterator() XCNEW (gfc_iterator)
2048 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2050 typedef struct gfc_alloc
2053 struct gfc_alloc
*next
;
2057 #define gfc_get_alloc() XCNEW (gfc_alloc)
2062 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2063 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2064 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2072 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2080 gfc_expr
*unit
, *iostat
, *iomsg
;
2088 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2089 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2090 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2091 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2092 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2103 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2104 gfc_st_label
*err
, *end
, *eor
;
2111 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2112 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2113 *sign
, *extra_comma
, *dt_io_kind
;
2115 gfc_symbol
*namelist
;
2116 /* A format_label of `format_asterisk' indicates the "*" format */
2117 gfc_st_label
*format_label
;
2118 gfc_st_label
*err
, *end
, *eor
;
2120 locus eor_where
, end_where
, err_where
;
2125 typedef struct gfc_forall_iterator
2127 gfc_expr
*var
, *start
, *end
, *stride
;
2128 struct gfc_forall_iterator
*next
;
2130 gfc_forall_iterator
;
2133 /* Linked list to store associations in an ASSOCIATE statement. */
2135 typedef struct gfc_association_list
2137 struct gfc_association_list
*next
;
2139 /* Whether this is association to a variable that can be changed; otherwise,
2140 it's association to an expression and the name may not be used as
2142 unsigned variable
:1;
2144 /* True if this struct is currently only linked to from a gfc_symbol rather
2145 than as part of a real list in gfc_code->ext.block.assoc. This may
2146 happen for SELECT TYPE temporaries and must be considered
2147 for memory handling. */
2148 unsigned dangling
:1;
2150 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2151 gfc_symtree
*st
; /* Symtree corresponding to name. */
2156 gfc_association_list
;
2157 #define gfc_get_association_list() XCNEW (gfc_association_list)
2160 /* Executable statements that fill gfc_code structures. */
2163 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2164 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2165 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2166 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2167 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2168 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2169 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2170 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2171 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2172 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2173 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2174 EXEC_LOCK
, EXEC_UNLOCK
,
2175 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2176 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2177 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2178 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2179 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2180 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2181 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2182 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2183 EXEC_OMP_PARALLEL_DO_SIMD
2189 GFC_OMP_ATOMIC_UPDATE
= 0,
2190 GFC_OMP_ATOMIC_READ
= 1,
2191 GFC_OMP_ATOMIC_WRITE
= 2,
2192 GFC_OMP_ATOMIC_CAPTURE
= 3,
2193 GFC_OMP_ATOMIC_MASK
= 3,
2194 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2195 GFC_OMP_ATOMIC_SWAP
= 8
2199 typedef struct gfc_code
2203 struct gfc_code
*block
, *next
;
2206 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2207 gfc_symtree
*symtree
;
2208 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2209 /* A name isn't sufficient to identify a subroutine, we need the actual
2210 symbol for the interface definition.
2211 const char *sub_name; */
2212 gfc_symbol
*resolved_sym
;
2213 gfc_intrinsic_sym
*resolved_isym
;
2217 gfc_actual_arglist
*actual
;
2218 gfc_iterator
*iterator
;
2230 gfc_association_list
*assoc
;
2231 gfc_case
*case_list
;
2237 gfc_filepos
*filepos
;
2238 gfc_inquire
*inquire
;
2241 gfc_forall_iterator
*forall_iterator
;
2242 struct gfc_code
*which_construct
;
2244 gfc_entry_list
*entry
;
2245 gfc_omp_clauses
*omp_clauses
;
2246 const char *omp_name
;
2247 gfc_omp_namelist
*omp_namelist
;
2249 gfc_omp_atomic_op omp_atomic
;
2251 ext
; /* Points to additional structures required by statement */
2253 /* Cycle and break labels in constructs. */
2260 /* Storage for DATA statements. */
2261 typedef struct gfc_data_variable
2265 struct gfc_data_variable
*list
, *next
;
2270 typedef struct gfc_data_value
2274 struct gfc_data_value
*next
;
2279 typedef struct gfc_data
2281 gfc_data_variable
*var
;
2282 gfc_data_value
*value
;
2285 struct gfc_data
*next
;
2290 /* Structure for holding compile options */
2294 gfc_source_form source_form
;
2295 /* Maximum line lengths in fixed- and free-form source, respectively.
2296 When fixed_line_length or free_line_length are 0, the whole line is used,
2297 regardless of length.
2299 If the user requests a fixed_line_length <7 then gfc_init_options()
2300 emits a fatal error. */
2301 int fixed_line_length
;
2302 int free_line_length
;
2303 /* Maximum number of continuation lines in fixed- and free-form source,
2305 int max_continue_fixed
;
2306 int max_continue_free
;
2307 int max_identifier_length
;
2308 int dump_fortran_original
;
2309 int dump_fortran_optimized
;
2313 int gfc_warn_conversion
;
2314 int warn_c_binding_type
;
2315 int warn_conversion_extra
;
2316 int warn_function_elimination
;
2317 int warn_implicit_interface
;
2318 int warn_implicit_procedure
;
2319 int warn_line_truncation
;
2320 int warn_surprising
;
2323 int warn_intrinsic_shadow
;
2324 int warn_intrinsics_std
;
2325 int warn_character_truncation
;
2326 int warn_array_temp
;
2327 int warn_align_commons
;
2328 int warn_real_q_constant
;
2329 int warn_unused_dummy_argument
;
2331 int warn_realloc_lhs
;
2332 int warn_realloc_lhs_all
;
2333 int warn_compare_reals
;
2334 int warn_target_lifetime
;
2337 int flag_all_intrinsics
;
2338 int flag_default_double
;
2339 int flag_default_integer
;
2340 int flag_default_real
;
2341 int flag_integer4_kind
;
2342 int flag_real4_kind
;
2343 int flag_real8_kind
;
2345 int flag_underscoring
;
2346 int flag_second_underscore
;
2347 int flag_implicit_none
;
2348 int flag_max_stack_var_size
;
2349 int flag_max_array_constructor
;
2350 int flag_range_check
;
2351 int flag_pack_derived
;
2352 int flag_repack_arrays
;
2353 int flag_preprocessed
;
2358 int flag_allow_leading_underscore
;
2359 int flag_external_blas
;
2360 int blas_matmul_limit
;
2361 int flag_cray_pointer
;
2363 int gfc_flag_openmp
;
2364 int gfc_flag_openmp_simd
;
2366 int flag_stack_arrays
;
2367 int flag_module_private
;
2369 int flag_init_local_zero
;
2370 int flag_init_integer
;
2371 int flag_init_integer_value
;
2373 int flag_init_logical
;
2374 int flag_init_character
;
2375 char flag_init_character_value
;
2376 int flag_align_commons
;
2377 int flag_protect_parens
;
2378 int flag_realloc_lhs
;
2379 int flag_aggressive_function_elimination
;
2380 int flag_frontend_optimize
;
2385 gfc_fcoarray coarray
;
2391 int max_subrecord_length
;
2395 extern gfc_option_t gfc_option
;
2397 /* Constructor nodes for array and structure constructors. */
2398 typedef struct gfc_constructor
2400 gfc_constructor_base base
;
2401 mpz_t offset
; /* Offset within a constructor, used as
2405 gfc_iterator
*iterator
;
2410 gfc_component
*component
; /* Record the component being initialized. */
2413 mpz_t repeat
; /* Record the repeat number of initial values in data
2414 statement like "data a/5*10/". */
2419 typedef struct iterator_stack
2421 gfc_symtree
*variable
;
2423 struct iterator_stack
*prev
;
2426 extern iterator_stack
*iter_stack
;
2429 /* Used for (possibly nested) SELECT TYPE statements. */
2430 typedef struct gfc_select_type_stack
2432 gfc_symbol
*selector
; /* Current selector variable. */
2433 gfc_symtree
*tmp
; /* Current temporary variable. */
2434 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2436 gfc_select_type_stack
;
2437 extern gfc_select_type_stack
*select_type_stack
;
2438 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2441 /* Node in the linked list used for storing finalizer procedures. */
2443 typedef struct gfc_finalizer
2445 struct gfc_finalizer
* next
;
2446 locus where
; /* Where the FINAL declaration occurred. */
2448 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2449 symtree and later need only that. This way, we can access and call the
2450 finalizers from every context as they should be "always accessible". I
2451 don't make this a union because we need the information whether proc_sym is
2452 still referenced or not for dereferencing it on deleting a gfc_finalizer
2454 gfc_symbol
* proc_sym
;
2455 gfc_symtree
* proc_tree
;
2458 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2461 /************************ Function prototypes *************************/
2464 bool gfc_in_match_data (void);
2465 match
gfc_match_char_spec (gfc_typespec
*);
2468 void gfc_scanner_done_1 (void);
2469 void gfc_scanner_init_1 (void);
2471 void gfc_add_include_path (const char *, bool, bool, bool);
2472 void gfc_add_intrinsic_modules_path (const char *);
2473 void gfc_release_include_path (void);
2474 FILE *gfc_open_included_file (const char *, bool, bool);
2476 int gfc_at_end (void);
2477 int gfc_at_eof (void);
2478 int gfc_at_bol (void);
2479 int gfc_at_eol (void);
2480 void gfc_advance_line (void);
2481 int gfc_check_include (void);
2482 int gfc_define_undef_line (void);
2484 int gfc_wide_is_printable (gfc_char_t
);
2485 int gfc_wide_is_digit (gfc_char_t
);
2486 int gfc_wide_fits_in_byte (gfc_char_t
);
2487 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2488 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2489 size_t gfc_wide_strlen (const gfc_char_t
*);
2490 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2491 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2492 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2493 gfc_char_t
*gfc_char_to_widechar (const char *);
2495 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2497 void gfc_skip_comments (void);
2498 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2499 gfc_char_t
gfc_next_char (void);
2500 char gfc_next_ascii_char (void);
2501 gfc_char_t
gfc_peek_char (void);
2502 char gfc_peek_ascii_char (void);
2503 void gfc_error_recovery (void);
2504 void gfc_gobble_whitespace (void);
2505 bool gfc_new_file (void);
2506 const char * gfc_read_orig_filename (const char *, const char **);
2508 extern gfc_source_form gfc_current_form
;
2509 extern const char *gfc_source_file
;
2510 extern locus gfc_current_locus
;
2512 void gfc_start_source_files (void);
2513 void gfc_end_source_files (void);
2516 void gfc_clear_ts (gfc_typespec
*);
2517 FILE *gfc_open_file (const char *);
2518 const char *gfc_basic_typename (bt
);
2519 const char *gfc_typename (gfc_typespec
*);
2520 const char *gfc_op2string (gfc_intrinsic_op
);
2521 const char *gfc_code2string (const mstring
*, int);
2522 int gfc_string2code (const mstring
*, const char *);
2523 const char *gfc_intent_string (sym_intent
);
2525 void gfc_init_1 (void);
2526 void gfc_init_2 (void);
2527 void gfc_done_1 (void);
2528 void gfc_done_2 (void);
2530 int get_c_kind (const char *, CInteropKind_t
*);
2533 unsigned int gfc_option_lang_mask (void);
2534 void gfc_init_options_struct (struct gcc_options
*);
2535 void gfc_init_options (unsigned int,
2536 struct cl_decoded_option
*);
2537 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2538 const struct cl_option_handlers
*);
2539 bool gfc_post_options (const char **);
2540 char *gfc_get_option_string (void);
2543 void gfc_maybe_initialize_eh (void);
2546 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2547 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2551 typedef struct gfc_error_buf
2554 size_t allocated
, index
;
2558 void gfc_error_init_1 (void);
2559 void gfc_buffer_error (int);
2561 const char *gfc_print_wide_char (gfc_char_t
);
2563 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2564 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2565 void gfc_clear_warning (void);
2566 void gfc_warning_check (void);
2568 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2569 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2570 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2571 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2572 void gfc_clear_error (void);
2573 int gfc_error_check (void);
2574 int gfc_error_flag_test (void);
2576 notification
gfc_notification_std (int);
2577 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2579 /* A general purpose syntax error. */
2580 #define gfc_syntax_error(ST) \
2581 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2583 void gfc_push_error (gfc_error_buf
*);
2584 void gfc_pop_error (gfc_error_buf
*);
2585 void gfc_free_error (gfc_error_buf
*);
2587 void gfc_get_errors (int *, int *);
2588 void gfc_errors_to_warnings (int);
2591 void gfc_arith_init_1 (void);
2592 void gfc_arith_done_1 (void);
2593 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2594 bool gfc_check_character_range (gfc_char_t
, int);
2597 bool gfc_check_any_c_kind (gfc_typespec
*);
2598 int gfc_validate_kind (bt
, int, bool);
2599 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2600 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2601 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2602 extern int gfc_index_integer_kind
;
2603 extern int gfc_default_integer_kind
;
2604 extern int gfc_max_integer_kind
;
2605 extern int gfc_default_real_kind
;
2606 extern int gfc_default_double_kind
;
2607 extern int gfc_default_character_kind
;
2608 extern int gfc_default_logical_kind
;
2609 extern int gfc_default_complex_kind
;
2610 extern int gfc_c_int_kind
;
2611 extern int gfc_atomic_int_kind
;
2612 extern int gfc_atomic_logical_kind
;
2613 extern int gfc_intio_kind
;
2614 extern int gfc_charlen_int_kind
;
2615 extern int gfc_numeric_storage_size
;
2616 extern int gfc_character_storage_size
;
2619 void gfc_clear_new_implicit (void);
2620 bool gfc_add_new_implicit_range (int, int);
2621 bool gfc_merge_new_implicit (gfc_typespec
*);
2622 void gfc_set_implicit_none (void);
2623 void gfc_check_function_type (gfc_namespace
*);
2624 bool gfc_is_intrinsic_typename (const char *);
2626 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2627 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2629 void gfc_set_sym_referenced (gfc_symbol
*);
2631 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2632 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2633 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2634 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2635 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2636 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2637 bool gfc_add_external (symbol_attribute
*, locus
*);
2638 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2639 bool gfc_add_optional (symbol_attribute
*, locus
*);
2640 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2641 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2642 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2643 match
gfc_mod_pointee_as (gfc_array_spec
*);
2644 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2645 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2646 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2647 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2648 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2649 bool gfc_add_target (symbol_attribute
*, locus
*);
2650 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2651 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2652 bool gfc_add_common (symbol_attribute
*, locus
*);
2653 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2654 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2655 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2656 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2657 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2658 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2659 bool gfc_add_pure (symbol_attribute
*, locus
*);
2660 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2661 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2662 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2663 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2664 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2665 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2666 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2668 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2669 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2670 bool gfc_add_extension (symbol_attribute
*, locus
*);
2671 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2672 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2673 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2674 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2675 const char *, locus
*);
2676 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2677 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2678 gfc_formal_arglist
*, locus
*);
2679 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2681 void gfc_clear_attr (symbol_attribute
*);
2682 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2683 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2685 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2686 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2687 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2688 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2690 gfc_st_label
*gfc_get_st_label (int);
2691 void gfc_free_st_label (gfc_st_label
*);
2692 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2693 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2695 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2696 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2697 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2698 void gfc_delete_symtree (gfc_symtree
**, const char *);
2699 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2700 gfc_user_op
*gfc_get_uop (const char *);
2701 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2702 void gfc_free_symbol (gfc_symbol
*);
2703 void gfc_release_symbol (gfc_symbol
*);
2704 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2705 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2706 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2707 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2708 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2709 bool gfc_verify_c_interop (gfc_typespec
*);
2710 bool gfc_verify_c_interop_param (gfc_symbol
*);
2711 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2712 bool verify_bind_c_derived_type (gfc_symbol
*);
2713 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2714 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2715 const char *, gfc_symtree
*, bool);
2716 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2717 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2718 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2720 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2721 void gfc_drop_last_undo_checkpoint (void);
2722 void gfc_restore_last_undo_checkpoint (void);
2723 void gfc_undo_symbols (void);
2724 void gfc_commit_symbols (void);
2725 void gfc_commit_symbol (gfc_symbol
*);
2726 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2727 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2728 void gfc_free_namespace (gfc_namespace
*);
2730 void gfc_symbol_init_2 (void);
2731 void gfc_symbol_done_2 (void);
2733 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2734 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2735 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2736 void gfc_save_all (gfc_namespace
*);
2738 void gfc_enforce_clean_symbol_state (void);
2739 void gfc_free_dt_list (void);
2742 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2743 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2745 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2746 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2747 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2748 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2749 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2751 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2753 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2755 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2756 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2758 bool gfc_is_associate_pointer (gfc_symbol
*);
2759 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2760 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2762 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2763 extern bool gfc_init_expr_flag
;
2765 /* Given a symbol that we have decided is intrinsic, mark it as such
2766 by placing it into a special module that is otherwise impossible to
2769 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2771 void gfc_intrinsic_init_1 (void);
2772 void gfc_intrinsic_done_1 (void);
2774 char gfc_type_letter (bt
);
2775 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2776 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2777 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2778 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2779 int gfc_generic_intrinsic (const char *);
2780 int gfc_specific_intrinsic (const char *);
2781 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2782 int gfc_intrinsic_actual_ok (const char *, const bool);
2783 gfc_intrinsic_sym
*gfc_find_function (const char *);
2784 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2785 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2786 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2787 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2788 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2791 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2792 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2794 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2795 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2798 /* match.c -- FIXME */
2799 void gfc_free_iterator (gfc_iterator
*, int);
2800 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2801 void gfc_free_alloc_list (gfc_alloc
*);
2802 void gfc_free_namelist (gfc_namelist
*);
2803 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2804 void gfc_free_equiv (gfc_equiv
*);
2805 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2806 void gfc_free_data (gfc_data
*);
2807 void gfc_free_case_list (gfc_case
*);
2809 /* matchexp.c -- FIXME too? */
2810 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2813 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2814 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2815 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2816 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2817 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2818 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2819 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2820 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2821 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2822 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2823 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2826 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2827 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2828 const char *gfc_extract_int (gfc_expr
*, int *);
2829 bool is_subref_array (gfc_expr
*);
2830 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2831 bool gfc_check_init_expr (gfc_expr
*);
2833 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2834 void gfc_free_ref_list (gfc_ref
*);
2835 void gfc_type_convert_binary (gfc_expr
*, int);
2836 int gfc_is_constant_expr (gfc_expr
*);
2837 bool gfc_simplify_expr (gfc_expr
*, int);
2838 int gfc_has_vector_index (gfc_expr
*);
2840 gfc_expr
*gfc_get_expr (void);
2841 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2842 gfc_expr
*gfc_get_null_expr (locus
*);
2843 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2844 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2845 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2846 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2847 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2848 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2849 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2851 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2852 void gfc_free_shape (mpz_t
**shape
, int rank
);
2853 void gfc_free_expr (gfc_expr
*);
2854 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2855 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2856 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2857 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2858 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2860 bool gfc_specification_expr (gfc_expr
*);
2862 int gfc_numeric_ts (gfc_typespec
*);
2863 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2865 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2866 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2867 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2868 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2870 bool gfc_has_default_initializer (gfc_symbol
*);
2871 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2872 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2873 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2874 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2876 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2878 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2879 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2881 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2882 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2884 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2885 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2887 bool gfc_ref_this_image (gfc_ref
*ref
);
2888 bool gfc_is_coindexed (gfc_expr
*);
2889 bool gfc_is_coarray (gfc_expr
*);
2890 int gfc_get_corank (gfc_expr
*);
2891 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2892 bool gfc_has_ultimate_pointer (gfc_expr
*);
2894 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
2895 locus
, unsigned, ...);
2896 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
2900 extern gfc_code new_st
;
2902 void gfc_clear_new_st (void);
2903 gfc_code
*gfc_get_code (gfc_exec_op
);
2904 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2905 void gfc_free_statement (gfc_code
*);
2906 void gfc_free_statements (gfc_code
*);
2907 void gfc_free_association_list (gfc_association_list
*);
2910 bool gfc_resolve_expr (gfc_expr
*);
2911 void gfc_resolve (gfc_namespace
*);
2912 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2913 int gfc_impure_variable (gfc_symbol
*);
2914 int gfc_pure (gfc_symbol
*);
2915 int gfc_implicit_pure (gfc_symbol
*);
2916 void gfc_unset_implicit_pure (gfc_symbol
*);
2917 int gfc_elemental (gfc_symbol
*);
2918 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
2919 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2920 bool gfc_resolve_index (gfc_expr
*, int);
2921 bool gfc_resolve_dim_arg (gfc_expr
*);
2922 int gfc_is_formal_arg (void);
2923 void gfc_resolve_substring_charlen (gfc_expr
*);
2924 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2925 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2926 bool gfc_type_is_extensible (gfc_symbol
*);
2927 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2928 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
2929 extern int gfc_do_concurrent_flag
;
2933 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2935 void gfc_free_array_spec (gfc_array_spec
*);
2936 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2938 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2939 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2940 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
2942 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2944 void gfc_simplify_iterator_var (gfc_expr
*);
2945 bool gfc_expand_constructor (gfc_expr
*, bool);
2946 int gfc_constant_ac (gfc_expr
*);
2947 int gfc_expanded_ac (gfc_expr
*);
2948 bool gfc_resolve_character_array_constructor (gfc_expr
*);
2949 bool gfc_resolve_array_constructor (gfc_expr
*);
2950 bool gfc_check_constructor_type (gfc_expr
*);
2951 bool gfc_check_iter_variable (gfc_expr
*);
2952 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
2953 bool gfc_array_size (gfc_expr
*, mpz_t
*);
2954 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2955 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2956 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2957 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2958 bool spec_size (gfc_array_spec
*, mpz_t
*);
2959 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2960 int gfc_is_compile_time_shape (gfc_array_spec
*);
2962 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
2965 /* interface.c -- FIXME: some of these should be in symbol.c */
2966 void gfc_free_interface (gfc_interface
*);
2967 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2968 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2969 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2970 char *, int, const char *, const char *);
2971 void gfc_check_interfaces (gfc_namespace
*);
2972 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2973 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2974 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2975 gfc_actual_arglist
**);
2976 match
gfc_extend_expr (gfc_expr
*);
2977 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2978 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2979 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
2980 bool gfc_add_interface (gfc_symbol
*);
2981 gfc_interface
*gfc_current_interface_head (void);
2982 void gfc_set_current_interface_head (gfc_interface
*);
2983 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2984 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2985 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2986 int gfc_has_vector_subscript (gfc_expr
*);
2987 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
2988 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
2991 extern gfc_st_label format_asterisk
;
2993 void gfc_free_open (gfc_open
*);
2994 bool gfc_resolve_open (gfc_open
*);
2995 void gfc_free_close (gfc_close
*);
2996 bool gfc_resolve_close (gfc_close
*);
2997 void gfc_free_filepos (gfc_filepos
*);
2998 bool gfc_resolve_filepos (gfc_filepos
*);
2999 void gfc_free_inquire (gfc_inquire
*);
3000 bool gfc_resolve_inquire (gfc_inquire
*);
3001 void gfc_free_dt (gfc_dt
*);
3002 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3003 void gfc_free_wait (gfc_wait
*);
3004 bool gfc_resolve_wait (gfc_wait
*);
3007 void gfc_module_init_2 (void);
3008 void gfc_module_done_2 (void);
3009 void gfc_dump_module (const char *, int);
3010 bool gfc_check_symbol_access (gfc_symbol
*);
3011 void gfc_free_use_stmts (gfc_use_list
*);
3014 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3015 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3016 match
gfc_match_rvalue (gfc_expr
**);
3017 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3018 int gfc_check_digit (char, int);
3019 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3020 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3022 gfc_actual_arglist
**, bool);
3025 void gfc_generate_code (gfc_namespace
*);
3026 void gfc_generate_module_code (gfc_namespace
*);
3028 /* trans-intrinsic.c */
3029 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3032 typedef int (*compare_fn
) (void *, void *);
3033 void gfc_insert_bbt (void *, void *, compare_fn
);
3034 void gfc_delete_bbt (void *, void *, compare_fn
);
3036 /* dump-parse-tree.c */
3037 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3040 bool gfc_parse_file (void);
3041 void gfc_global_used (gfc_gsymbol
*, locus
*);
3042 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3045 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3046 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3047 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3050 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3051 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3052 size_t*, size_t*, size_t*);
3055 void gfc_fix_class_refs (gfc_expr
*e
);
3056 void gfc_add_component_ref (gfc_expr
*, const char *);
3057 void gfc_add_class_array_ref (gfc_expr
*);
3058 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3059 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3060 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3061 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3062 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3063 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3064 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3065 bool gfc_is_class_scalar_expr (gfc_expr
*);
3066 bool gfc_is_class_container_ref (gfc_expr
*e
);
3067 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3068 unsigned int gfc_hash_value (gfc_symbol
*);
3069 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3071 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3072 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3073 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3074 const char*, bool, locus
*);
3075 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3076 const char*, bool, locus
*);
3077 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3078 gfc_intrinsic_op
, bool,
3080 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3081 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3083 #define CLASS_DATA(sym) sym->ts.u.derived->components
3084 #define UNLIMITED_POLY(sym) \
3085 (sym != NULL && sym->ts.type == BT_CLASS \
3086 && CLASS_DATA (sym) \
3087 && CLASS_DATA (sym)->ts.u.derived \
3088 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3090 /* frontend-passes.c */
3092 void gfc_run_passes (gfc_namespace
*);
3094 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3095 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3097 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3098 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3102 void gfc_convert_mpz_to_signed (mpz_t
, int);
3104 #endif /* GCC_GFORTRAN_H */