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_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
207 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
208 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
209 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
210 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
211 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
,
212 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
213 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
214 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
215 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
216 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
217 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
218 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
219 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
220 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
221 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
222 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
223 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_PROCEDURE
, ST_GENERIC
,
224 ST_CRITICAL
, ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
,
229 /* Types of interfaces that we can have. Assignment interfaces are
230 considered to be intrinsic operators. */
233 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
234 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
238 /* Symbol flavors: these are all mutually exclusive.
239 10 elements = 4 bits. */
240 typedef enum sym_flavor
242 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
243 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
248 /* Procedure types. 7 elements = 3 bits. */
249 typedef enum procedure_type
250 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
251 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
256 typedef enum sym_intent
257 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
262 typedef enum gfc_access
263 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
267 /* Flags to keep track of where an interface came from.
268 3 elements = 2 bits. */
270 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
271 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
272 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
273 with explicit interface. */
277 /* Whether a SAVE attribute was set explicitly or implicitly. */
278 typedef enum save_state
279 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
283 /* Strings for all symbol attributes. We use these for dumping the
284 parse tree, in error messages, and also when reading and writing
285 modules. In symbol.c. */
286 extern const mstring flavors
[];
287 extern const mstring procedures
[];
288 extern const mstring intents
[];
289 extern const mstring access_types
[];
290 extern const mstring ifsrc_types
[];
291 extern const mstring save_status
[];
293 /* Enumeration of all the generic intrinsic functions. Used by the
294 backend for identification of a function. */
298 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
299 the backend (e.g. KIND). */
341 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
342 GFC_ISYM_COMPILER_OPTIONS
,
343 GFC_ISYM_COMPILER_VERSION
,
353 GFC_ISYM_C_ASSOCIATED
,
354 GFC_ISYM_C_F_POINTER
,
355 GFC_ISYM_C_F_PROCPOINTER
,
359 GFC_ISYM_DATE_AND_TIME
,
363 GFC_ISYM_DOT_PRODUCT
,
372 GFC_ISYM_ERFC_SCALED
,
374 GFC_ISYM_EXECUTE_COMMAND_LINE
,
378 GFC_ISYM_EXTENDS_TYPE_OF
,
395 GFC_ISYM_GET_COMMAND
,
396 GFC_ISYM_GET_COMMAND_ARGUMENT
,
399 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
420 GFC_ISYM_IMAGE_INDEX
,
429 GFC_ISYM_IS_IOSTAT_END
,
430 GFC_ISYM_IS_IOSTAT_EOR
,
465 GFC_ISYM_MAXEXPONENT
,
473 GFC_ISYM_MINEXPONENT
,
498 GFC_ISYM_RANDOM_NUMBER
,
499 GFC_ISYM_RANDOM_SEED
,
508 GFC_ISYM_SAME_TYPE_AS
,
514 GFC_ISYM_SET_EXPONENT
,
534 GFC_ISYM_STORAGE_SIZE
,
540 GFC_ISYM_SYSTEM_CLOCK
,
564 typedef enum gfc_isym_id gfc_isym_id
;
569 GFC_INIT_REAL_OFF
= 0,
574 GFC_INIT_REAL_NEG_INF
580 GFC_INIT_LOGICAL_OFF
= 0,
581 GFC_INIT_LOGICAL_FALSE
,
582 GFC_INIT_LOGICAL_TRUE
588 GFC_INIT_CHARACTER_OFF
= 0,
589 GFC_INIT_CHARACTER_ON
591 init_local_character
;
595 GFC_INIT_INTEGER_OFF
= 0,
602 GFC_FCOARRAY_NONE
= 0,
617 /************************* Structures *****************************/
619 /* Used for keeping things in balanced binary trees. */
620 #define BBT_HEADER(self) int priority; struct self *left, *right
622 #define NAMED_INTCST(a,b,c,d) a,
623 #define NAMED_KINDARRAY(a,b,c,d) a,
624 #define NAMED_FUNCTION(a,b,c,d) a,
625 #define NAMED_SUBROUTINE(a,b,c,d) a,
626 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
629 ISOFORTRANENV_INVALID
= -1,
630 #include "iso-fortran-env.def"
631 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
633 iso_fortran_env_symbol
;
635 #undef NAMED_KINDARRAY
636 #undef NAMED_FUNCTION
637 #undef NAMED_SUBROUTINE
638 #undef NAMED_DERIVED_TYPE
640 #define NAMED_INTCST(a,b,c,d) a,
641 #define NAMED_REALCST(a,b,c,d) a,
642 #define NAMED_CMPXCST(a,b,c,d) a,
643 #define NAMED_LOGCST(a,b,c) a,
644 #define NAMED_CHARKNDCST(a,b,c) a,
645 #define NAMED_CHARCST(a,b,c) a,
646 #define DERIVED_TYPE(a,b,c) a,
647 #define NAMED_FUNCTION(a,b,c,d) a,
648 #define NAMED_SUBROUTINE(a,b,c,d) a,
651 ISOCBINDING_INVALID
= -1,
652 #include "iso-c-binding.def"
654 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
656 iso_c_binding_symbol
;
661 #undef NAMED_CHARKNDCST
664 #undef NAMED_FUNCTION
665 #undef NAMED_SUBROUTINE
669 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
675 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
676 int value
; /* Used for both integer and character values. */
681 /* Array of structs, where the structs represent the C interop kinds.
682 The list will be implemented based on a hash of the kind name since
683 these could be accessed multiple times.
684 Declared in trans-types.c as a global, since it's in that file
685 that the list is initialized. */
686 extern CInteropKind_t c_interop_kinds_table
[];
689 /* Structure and list of supported extension attributes. */
692 EXT_ATTR_DLLIMPORT
= 0,
697 EXT_ATTR_NO_ARG_CHECK
,
698 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
706 const char *middle_end_name
;
710 extern const ext_attr_t ext_attr_list
[];
712 /* Symbol attribute structure. */
715 /* Variable attributes. */
716 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
717 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
718 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
719 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
722 /* For CLASS containers, the pointer attribute is sometimes set internally
723 even though it was not directly specified. In this case, keep the
724 "real" (original) value here. */
725 unsigned class_pointer
:1;
727 ENUM_BITFIELD (save_state
) save
:2;
729 unsigned data
:1, /* Symbol is named in a DATA statement. */
730 is_protected
:1, /* Symbol has been marked as protected. */
731 use_assoc
:1, /* Symbol has been use-associated. */
732 use_only
:1, /* Symbol has been use-associated, with ONLY. */
733 use_rename
:1, /* Symbol has been use-associated and renamed. */
734 imported
:1, /* Symbol has been associated by IMPORT. */
735 host_assoc
:1; /* Symbol has been host associated. */
737 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
738 unsigned function
:1, subroutine
:1, procedure
:1;
739 unsigned generic
:1, generic_copy
:1;
740 unsigned implicit_type
:1; /* Type defined via implicit rules. */
741 unsigned untyped
:1; /* No implicit type could be found. */
743 unsigned is_bind_c
:1; /* say if is bound to C. */
744 unsigned extension
:8; /* extension level of a derived type. */
745 unsigned is_class
:1; /* is a CLASS container. */
746 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
747 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
748 unsigned vtype
:1; /* is a derived type of a vtab. */
750 /* These flags are both in the typespec and attribute. The attribute
751 list is what gets read from/written to a module file. The typespec
752 is created from a decl being processed. */
753 unsigned is_c_interop
:1; /* It's c interoperable. */
754 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
756 /* Function/subroutine attributes */
757 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
758 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
760 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
761 which is relevant for private module procedures. */
762 unsigned public_used
:1;
764 /* This is set if a contained procedure could be declared pure. This is
765 used for certain optimizations that require the result or arguments
766 cannot alias. Note that this is zero for PURE procedures. */
767 unsigned implicit_pure
:1;
769 /* This is set if the subroutine doesn't return. Currently, this
770 is only possible for intrinsic subroutines. */
773 /* Set if this procedure is an alternate entry point. These procedures
774 don't have any code associated, and the backend will turn them into
775 thunks to the master function. */
778 /* Set if this is the master function for a procedure with multiple
780 unsigned entry_master
:1;
782 /* Set if this is the master function for a function with multiple
783 entry points where characteristics of the entry points differ. */
784 unsigned mixed_entry_master
:1;
786 /* Set if a function must always be referenced by an explicit interface. */
787 unsigned always_explicit
:1;
789 /* Set if the symbol is generated and, hence, standard violations
790 shouldn't be flaged. */
791 unsigned artificial
:1;
793 /* Set if the symbol has been referenced in an expression. No further
794 modification of type or type parameters is permitted. */
795 unsigned referenced
:1;
797 /* Set if this is the symbol for the main program. */
798 unsigned is_main_program
:1;
800 /* Mutually exclusive multibit attributes. */
801 ENUM_BITFIELD (gfc_access
) access
:2;
802 ENUM_BITFIELD (sym_intent
) intent
:2;
803 ENUM_BITFIELD (sym_flavor
) flavor
:4;
804 ENUM_BITFIELD (ifsrc
) if_source
:2;
806 ENUM_BITFIELD (procedure_type
) proc
:3;
808 /* Special attributes for Cray pointers, pointees. */
809 unsigned cray_pointer
:1, cray_pointee
:1;
811 /* The symbol is a derived type with allocatable components, pointer
812 components or private components, procedure pointer components,
813 possibly nested. zero_comp is true if the derived type has no
814 component at all. defined_assign_comp is true if the derived
815 type or a (sub-)component has a typebound defined assignment.
816 unlimited_polymorphic flags the type of the container for these
818 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
819 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
820 defined_assign_comp
:1, unlimited_polymorphic
:1;
822 /* This is a temporary selector for SELECT TYPE or an associate
823 variable for SELECT_TYPE or ASSOCIATE. */
824 unsigned select_type_temporary
:1, associate_var
:1;
826 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
827 unsigned ext_attr
:EXT_ATTR_NUM
;
829 /* Is a parameter associated with a deferred type component. */
830 unsigned deferred_parameter
:1;
832 /* The namespace where the attribute has been set. */
833 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
838 /* We need to store source lines as sequences of multibyte source
839 characters. We define here a type wide enough to hold any multibyte
840 source character, just like libcpp does. A 32-bit type is enough. */
842 #if HOST_BITS_PER_INT >= 32
843 typedef unsigned int gfc_char_t
;
844 #elif HOST_BITS_PER_LONG >= 32
845 typedef unsigned long gfc_char_t
;
846 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
847 typedef unsigned long long gfc_char_t
;
849 # error "Cannot find an integer type with at least 32 bits"
853 /* The following three structures are used to identify a location in
856 gfc_file is used to maintain a tree of the source files and how
857 they include each other
859 gfc_linebuf holds a single line of source code and information
860 which file it resides in
862 locus point to the sourceline and the character in the source
866 typedef struct gfc_file
868 struct gfc_file
*next
, *up
;
869 int inclusion_line
, line
;
873 typedef struct gfc_linebuf
875 source_location location
;
876 struct gfc_file
*file
;
877 struct gfc_linebuf
*next
;
885 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
887 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
895 /* In order for the "gfc" format checking to work correctly, you must
896 have declared a typedef locus first. */
897 #if GCC_VERSION >= 4001
898 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
900 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
904 /* Suppress error messages or re-enable them. */
906 void gfc_push_suppress_errors (void);
907 void gfc_pop_suppress_errors (void);
910 /* Character length structures hold the expression that gives the
911 length of a character variable. We avoid putting these into
912 gfc_typespec because doing so prevents us from doing structure
913 copies and forces us to deallocate any typespecs we create, as well
914 as structures that contain typespecs. They also can have multiple
915 character typespecs pointing to them.
917 These structures form a singly linked list within the current
918 namespace and are deallocated with the namespace. It is possible to
919 end up with gfc_charlen structures that have nothing pointing to them. */
921 typedef struct gfc_charlen
923 struct gfc_expr
*length
;
924 struct gfc_charlen
*next
;
925 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
927 tree passed_length
; /* Length argument explicitly passed. */
933 #define gfc_get_charlen() XCNEW (gfc_charlen)
935 /* Type specification structure. */
943 struct gfc_symbol
*derived
; /* For derived types only. */
944 gfc_charlen
*cl
; /* For character types only. */
945 int pad
; /* For hollerith types only. */
949 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
957 /* Array specification. */
960 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
962 array_type type
, cotype
;
963 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
965 /* These two fields are used with the Cray Pointer extension. */
966 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
967 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
968 AS_EXPLICIT, but we want to remember that we
974 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
977 /* Components of derived types. */
978 typedef struct gfc_component
983 symbol_attribute attr
;
987 /* Used to cache a FIELD_DECL matching this same component
988 but applied to a different backend containing type that was
989 generated by gfc_nonrestricted_type. */
990 tree norestrict_decl
;
992 struct gfc_expr
*initializer
;
993 struct gfc_component
*next
;
995 /* Needed for procedure pointer components. */
996 struct gfc_typebound_proc
*tb
;
1000 #define gfc_get_component() XCNEW (gfc_component)
1002 /* Formal argument lists are lists of symbols. */
1003 typedef struct gfc_formal_arglist
1005 /* Symbol representing the argument at this position in the arglist. */
1006 struct gfc_symbol
*sym
;
1007 /* Points to the next formal argument. */
1008 struct gfc_formal_arglist
*next
;
1012 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1015 /* The gfc_actual_arglist structure is for actual arguments. */
1016 typedef struct gfc_actual_arglist
1019 /* Alternate return label when the expr member is null. */
1020 struct gfc_st_label
*label
;
1022 /* This is set to the type of an eventual omitted optional
1023 argument. This is used to determine if a hidden string length
1024 argument has to be added to a function call. */
1025 bt missing_arg_type
;
1027 struct gfc_expr
*expr
;
1028 struct gfc_actual_arglist
*next
;
1032 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1035 /* Because a symbol can belong to multiple namelists, they must be
1036 linked externally to the symbol itself. */
1037 typedef struct gfc_namelist
1039 struct gfc_symbol
*sym
;
1040 struct gfc_namelist
*next
;
1044 #define gfc_get_namelist() XCNEW (gfc_namelist)
1046 /* Likewise to gfc_namelist, but contains expressions. */
1047 typedef struct gfc_expr_list
1049 struct gfc_expr
*expr
;
1050 struct gfc_expr_list
*next
;
1054 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1056 /* For use in OpenMP clauses in case we need extra information
1057 (aligned clause alignment, linear clause step, etc.). */
1059 typedef struct gfc_omp_namelist
1061 struct gfc_symbol
*sym
;
1062 struct gfc_expr
*expr
;
1063 struct gfc_omp_namelist
*next
;
1067 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1072 OMP_LIST_FIRSTPRIVATE
,
1073 OMP_LIST_LASTPRIVATE
,
1074 OMP_LIST_COPYPRIVATE
,
1081 OMP_LIST_DEPEND_OUT
,
1083 OMP_LIST_DATA_CLAUSE_FIRST
= OMP_LIST_COPY
,
1084 OMP_LIST_OACC_COPYIN
,
1089 OMP_LIST_PRESENT_OR_COPY
,
1090 OMP_LIST_PRESENT_OR_COPYIN
,
1091 OMP_LIST_PRESENT_OR_COPYOUT
,
1092 OMP_LIST_PRESENT_OR_CREATE
,
1094 OMP_LIST_DATA_CLAUSE_LAST
= OMP_LIST_DEVICEPTR
,
1095 OMP_LIST_DEVICE_RESIDENT
,
1096 OMP_LIST_USE_DEVICE
,
1101 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1113 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1117 /* Because a symbol can belong to multiple namelists, they must be
1118 linked externally to the symbol itself. */
1120 enum gfc_omp_sched_kind
1130 enum gfc_omp_default_sharing
1132 OMP_DEFAULT_UNKNOWN
,
1134 OMP_DEFAULT_PRIVATE
,
1136 OMP_DEFAULT_FIRSTPRIVATE
1139 enum gfc_omp_proc_bind_kind
1141 OMP_PROC_BIND_UNKNOWN
,
1142 OMP_PROC_BIND_MASTER
,
1143 OMP_PROC_BIND_SPREAD
,
1147 enum gfc_omp_cancel_kind
1150 OMP_CANCEL_PARALLEL
,
1151 OMP_CANCEL_SECTIONS
,
1153 OMP_CANCEL_TASKGROUP
1156 typedef struct gfc_omp_clauses
1158 struct gfc_expr
*if_expr
;
1159 struct gfc_expr
*final_expr
;
1160 struct gfc_expr
*num_threads
;
1161 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1162 enum gfc_omp_sched_kind sched_kind
;
1163 struct gfc_expr
*chunk_size
;
1164 enum gfc_omp_default_sharing default_sharing
;
1166 bool nowait
, ordered
, untied
, mergeable
;
1167 bool inbranch
, notinbranch
;
1168 enum gfc_omp_cancel_kind cancel
;
1169 enum gfc_omp_proc_bind_kind proc_bind
;
1170 struct gfc_expr
*safelen_expr
;
1171 struct gfc_expr
*simdlen_expr
;
1174 struct gfc_expr
*async_expr
;
1175 struct gfc_expr
*gang_expr
;
1176 struct gfc_expr
*worker_expr
;
1177 struct gfc_expr
*vector_expr
;
1178 struct gfc_expr
*num_gangs_expr
;
1179 struct gfc_expr
*num_workers_expr
;
1180 struct gfc_expr
*vector_length_expr
;
1181 struct gfc_expr
*non_clause_wait_expr
;
1182 gfc_expr_list
*wait_list
;
1183 gfc_expr_list
*tile_list
;
1184 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1185 unsigned wait
:1, par_auto
:1, gang_static
:1;
1187 /* Directive specific data. */
1190 /* !$ACC DECLARE locus. */
1197 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1200 /* Node in the linked list used for storing !$omp declare simd constructs. */
1202 typedef struct gfc_omp_declare_simd
1204 struct gfc_omp_declare_simd
*next
;
1205 locus where
; /* Where the !$omp declare simd construct occurred. */
1207 gfc_symbol
*proc_name
;
1209 gfc_omp_clauses
*clauses
;
1211 gfc_omp_declare_simd
;
1212 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1215 /* The gfc_st_label structure is a BBT attached to a namespace that
1216 records the usage of statement labels within that space. */
1218 typedef struct gfc_st_label
1220 BBT_HEADER(gfc_st_label
);
1224 gfc_sl_type defined
, referenced
;
1226 struct gfc_expr
*format
;
1235 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1236 typedef struct gfc_interface
1238 struct gfc_symbol
*sym
;
1240 struct gfc_interface
*next
;
1244 #define gfc_get_interface() XCNEW (gfc_interface)
1246 /* User operator nodes. These are like stripped down symbols. */
1252 struct gfc_namespace
*ns
;
1258 /* A list of specific bindings that are associated with a generic spec. */
1259 typedef struct gfc_tbp_generic
1261 /* The parser sets specific_st, upon resolution we look for the corresponding
1262 gfc_typebound_proc and set specific for further use. */
1263 struct gfc_symtree
* specific_st
;
1264 struct gfc_typebound_proc
* specific
;
1266 struct gfc_tbp_generic
* next
;
1271 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1274 /* Data needed for type-bound procedures. */
1275 typedef struct gfc_typebound_proc
1277 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1281 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1282 gfc_tbp_generic
* generic
;
1287 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1289 /* The overridden type-bound proc (or GENERIC with this name in the
1290 parent-type) or NULL if non. */
1291 struct gfc_typebound_proc
* overridden
;
1293 /* Once resolved, we use the position of pass_arg in the formal arglist of
1294 the binding-target procedure to identify it. The first argument has
1295 number 1 here, the second 2, and so on. */
1296 unsigned pass_arg_num
;
1298 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1299 unsigned non_overridable
:1;
1300 unsigned deferred
:1;
1301 unsigned is_generic
:1;
1302 unsigned function
:1, subroutine
:1;
1303 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1309 /* Symbol nodes. These are important things. They are what the
1310 standard refers to as "entities". The possibly multiple names that
1311 refer to the same entity are accomplished by a binary tree of
1312 symtree structures that is balanced by the red-black method-- more
1313 than one symtree node can point to any given symbol. */
1315 typedef struct gfc_symbol
1317 const char *name
; /* Primary name, before renaming */
1318 const char *module
; /* Module this symbol came from */
1322 symbol_attribute attr
;
1324 /* The formal member points to the formal argument list if the
1325 symbol is a function or subroutine name. If the symbol is a
1326 generic name, the generic member points to the list of
1329 gfc_interface
*generic
;
1330 gfc_access component_access
;
1332 gfc_formal_arglist
*formal
;
1333 struct gfc_namespace
*formal_ns
;
1334 struct gfc_namespace
*f2k_derived
;
1336 struct gfc_expr
*value
; /* Parameter/Initializer value */
1338 struct gfc_symbol
*result
; /* function result symbol */
1339 gfc_component
*components
; /* Derived type components */
1341 /* Defined only for Cray pointees; points to their pointer. */
1342 struct gfc_symbol
*cp_pointer
;
1344 int entry_id
; /* Used in resolve.c for entries. */
1346 /* CLASS hashed name for declared and dynamic types in the class. */
1349 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1351 /* This is in fact a gfc_common_head but it is only used for pointer
1352 comparisons to check if symbols are in the same common block. */
1353 struct gfc_common_head
* common_head
;
1355 /* Make sure setup code for dummy arguments is generated in the correct
1359 gfc_namelist
*namelist
, *namelist_tail
;
1361 /* Change management fields. Symbols that might be modified by the
1362 current statement have the mark member nonzero and are kept in a
1363 singly linked list through the tlink field. Of these symbols,
1364 symbols with old_symbol equal to NULL are symbols created within
1365 the current statement. Otherwise, old_symbol points to a copy of
1368 struct gfc_symbol
*old_symbol
, *tlink
;
1369 unsigned mark
:1, gfc_new
:1;
1370 /* Nonzero if all equivalences associated with this symbol have been
1372 unsigned equiv_built
:1;
1373 /* Set if this variable is used as an index name in a FORALL. */
1374 unsigned forall_index
:1;
1375 /* Used to avoid multiple resolutions of a single symbol. */
1376 unsigned resolved
:1;
1379 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1383 /* Identity of the intrinsic module the symbol comes from, or
1384 INTMOD_NONE if it's not imported from a intrinsic module. */
1385 intmod_id from_intmod
;
1386 /* Identity of the symbol from intrinsic modules, from enums maintained
1387 separately by each intrinsic module. Used together with from_intmod,
1388 it uniquely identifies a symbol from an intrinsic module. */
1391 /* This may be repetitive, since the typespec now has a binding
1393 const char* binding_label
;
1394 /* Store a reference to the common_block, if this symbol is in one. */
1395 struct gfc_common_head
*common_block
;
1397 /* Link to corresponding association-list if this is an associate name. */
1398 struct gfc_association_list
*assoc
;
1403 struct gfc_undo_change_set
1405 vec
<gfc_symbol
*> syms
;
1406 vec
<gfc_typebound_proc
*> tbps
;
1407 gfc_undo_change_set
*previous
;
1411 /* This structure is used to keep track of symbols in common blocks. */
1412 typedef struct gfc_common_head
1415 char use_assoc
, saved
, threadprivate
;
1416 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1417 struct gfc_symbol
*head
;
1418 const char* binding_label
;
1424 #define gfc_get_common_head() XCNEW (gfc_common_head)
1427 /* A list of all the alternate entry points for a procedure. */
1429 typedef struct gfc_entry_list
1431 /* The symbol for this entry point. */
1433 /* The zero-based id of this entry point. */
1435 /* The LABEL_EXPR marking this entry point. */
1437 /* The next item in the list. */
1438 struct gfc_entry_list
*next
;
1442 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1444 /* Lists of rename info for the USE statement. */
1446 typedef struct gfc_use_rename
1448 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1449 struct gfc_use_rename
*next
;
1451 gfc_intrinsic_op op
;
1456 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1458 /* A list of all USE statements in a namespace. */
1460 typedef struct gfc_use_list
1462 const char *module_name
;
1466 struct gfc_use_rename
*rename
;
1468 /* Next USE statement. */
1469 struct gfc_use_list
*next
;
1473 #define gfc_get_use_list() XCNEW (gfc_use_list)
1475 /* Within a namespace, symbols are pointed to by symtree nodes that
1476 are linked together in a balanced binary tree. There can be
1477 several symtrees pointing to the same symbol node via USE
1480 typedef struct gfc_symtree
1482 BBT_HEADER (gfc_symtree
);
1487 gfc_symbol
*sym
; /* Symbol associated with this node */
1489 gfc_common_head
*common
;
1490 gfc_typebound_proc
*tb
;
1496 /* A linked list of derived types in the namespace. */
1497 typedef struct gfc_dt_list
1499 struct gfc_symbol
*derived
;
1500 struct gfc_dt_list
*next
;
1504 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1506 /* A list of all derived types. */
1507 extern gfc_dt_list
*gfc_derived_types
;
1509 /* A namespace describes the contents of procedure, module, interface block
1510 or BLOCK construct. */
1511 /* ??? Anything else use these? */
1513 typedef struct gfc_namespace
1515 /* Tree containing all the symbols in this namespace. */
1516 gfc_symtree
*sym_root
;
1517 /* Tree containing all the user-defined operators in the namespace. */
1518 gfc_symtree
*uop_root
;
1519 /* Tree containing all the common blocks. */
1520 gfc_symtree
*common_root
;
1522 /* Tree containing type-bound procedures. */
1523 gfc_symtree
*tb_sym_root
;
1524 /* Type-bound user operators. */
1525 gfc_symtree
*tb_uop_root
;
1526 /* For derived-types, store type-bound intrinsic operators here. */
1527 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1528 /* Linked list of finalizer procedures. */
1529 struct gfc_finalizer
*finalizers
;
1531 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1532 int set_flag
[GFC_LETTERS
];
1533 /* Keeps track of the implicit types associated with the letters. */
1534 gfc_typespec default_type
[GFC_LETTERS
];
1535 /* Store the positions of IMPLICIT statements. */
1536 locus implicit_loc
[GFC_LETTERS
];
1538 /* If this is a namespace of a procedure, this points to the procedure. */
1539 struct gfc_symbol
*proc_name
;
1540 /* If this is the namespace of a unit which contains executable
1541 code, this points to it. */
1542 struct gfc_code
*code
;
1544 /* Points to the equivalences set up in this namespace. */
1545 struct gfc_equiv
*equiv
, *old_equiv
;
1547 /* Points to the equivalence groups produced by trans_common. */
1548 struct gfc_equiv_list
*equiv_lists
;
1550 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1552 /* Points to the parent namespace, i.e. the namespace of a module or
1553 procedure in which the procedure belonging to this namespace is
1554 contained. The parent namespace points to this namespace either
1555 directly via CONTAINED, or indirectly via the chain built by
1557 struct gfc_namespace
*parent
;
1558 /* CONTAINED points to the first contained namespace. Sibling
1559 namespaces are chained via SIBLING. */
1560 struct gfc_namespace
*contained
, *sibling
;
1562 gfc_common_head blank_common
;
1563 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1565 gfc_st_label
*st_labels
;
1566 /* This list holds information about all the data initializers in
1568 struct gfc_data
*data
;
1570 /* !$ACC DECLARE clauses. */
1571 gfc_omp_clauses
*oacc_declare_clauses
;
1573 gfc_charlen
*cl_list
, *old_cl_list
;
1575 gfc_dt_list
*derived_types
;
1577 int save_all
, seen_save
, seen_implicit_none
;
1579 /* Normally we don't need to refcount namespaces. However when we read
1580 a module containing a function with multiple entry points, this
1581 will appear as several functions with the same formal namespace. */
1584 /* A list of all alternate entry points to this procedure (or NULL). */
1585 gfc_entry_list
*entries
;
1587 /* A list of USE statements in this namespace. */
1588 gfc_use_list
*use_stmts
;
1590 /* Linked list of !$omp declare simd constructs. */
1591 struct gfc_omp_declare_simd
*omp_declare_simd
;
1593 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1594 unsigned is_block_data
:1;
1596 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1597 unsigned has_import_set
:1;
1599 /* Set to 1 if resolved has been called for this namespace.
1600 Holds -1 during resolution. */
1603 /* Set to 1 if code has been generated for this namespace. */
1604 unsigned translated
:1;
1606 /* Set to 1 if symbols in this namespace should be 'construct entities',
1607 i.e. for BLOCK local variables. */
1608 unsigned construct_entities
:1;
1612 extern gfc_namespace
*gfc_current_ns
;
1613 extern gfc_namespace
*gfc_global_ns_list
;
1615 /* Global symbols are symbols of global scope. Currently we only use
1616 this to detect collisions already when parsing.
1617 TODO: Extend to verify procedure calls. */
1619 enum gfc_symbol_type
1621 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1622 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1625 typedef struct gfc_gsymbol
1627 BBT_HEADER(gfc_gsymbol
);
1630 const char *sym_name
;
1631 const char *mod_name
;
1632 const char *binding_label
;
1633 enum gfc_symbol_type type
;
1641 extern gfc_gsymbol
*gfc_gsym_root
;
1643 /* Information on interfaces being built. */
1646 interface_type type
;
1650 gfc_intrinsic_op op
;
1654 extern gfc_interface_info current_interface
;
1657 /* Array reference. */
1659 enum gfc_array_ref_dimen_type
1661 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1664 typedef struct gfc_array_ref
1667 int dimen
; /* # of components in the reference */
1669 bool in_allocate
; /* For coarray checks. */
1673 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1674 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1675 *stride
[GFC_MAX_DIMENSIONS
];
1677 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1681 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1684 /* Component reference nodes. A variable is stored as an expression
1685 node that points to the base symbol. After that, a singly linked
1686 list of component reference nodes gives the variable's complete
1687 resolution. The array_ref component may be present and comes
1688 before the component component. */
1691 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1694 typedef struct gfc_ref
1700 struct gfc_array_ref ar
;
1704 gfc_component
*component
;
1711 struct gfc_expr
*start
, *end
; /* Substring */
1712 gfc_charlen
*length
;
1719 struct gfc_ref
*next
;
1723 #define gfc_get_ref() XCNEW (gfc_ref)
1726 /* Structures representing intrinsic symbols and their arguments lists. */
1727 typedef struct gfc_intrinsic_arg
1729 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1732 unsigned optional
:1, value
:1;
1733 ENUM_BITFIELD (sym_intent
) intent
:2;
1734 gfc_actual_arglist
*actual
;
1736 struct gfc_intrinsic_arg
*next
;
1742 /* Specifies the various kinds of check functions used to verify the
1743 argument lists of intrinsic functions. fX with X an integer refer
1744 to check functions of intrinsics with X arguments. f1m is used for
1745 the MAX and MIN intrinsics which can have an arbitrary number of
1746 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1747 these have special semantics. */
1752 bool (*f1
)(struct gfc_expr
*);
1753 bool (*f1m
)(gfc_actual_arglist
*);
1754 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1755 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1756 bool (*f3ml
)(gfc_actual_arglist
*);
1757 bool (*f3red
)(gfc_actual_arglist
*);
1758 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1760 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1761 struct gfc_expr
*, struct gfc_expr
*);
1765 /* Like gfc_check_f, these specify the type of the simplification
1766 function associated with an intrinsic. The fX are just like in
1767 gfc_check_f. cc is used for type conversion functions. */
1771 struct gfc_expr
*(*f0
)(void);
1772 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1773 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1774 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1776 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1777 struct gfc_expr
*, struct gfc_expr
*);
1778 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1779 struct gfc_expr
*, struct gfc_expr
*,
1781 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1785 /* Again like gfc_check_f, these specify the type of the resolution
1786 function associated with an intrinsic. The fX are just like in
1787 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1791 void (*f0
)(struct gfc_expr
*);
1792 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1793 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1794 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1795 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1797 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1798 struct gfc_expr
*, struct gfc_expr
*);
1799 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1800 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1801 void (*s1
)(struct gfc_code
*);
1806 typedef struct gfc_intrinsic_sym
1808 const char *name
, *lib_name
;
1809 gfc_intrinsic_arg
*formal
;
1811 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1812 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1817 gfc_simplify_f simplify
;
1819 gfc_resolve_f resolve
;
1820 struct gfc_intrinsic_sym
*specific_head
, *next
;
1827 /* Expression nodes. The expression node types deserve explanations,
1828 since the last couple can be easily misconstrued:
1830 EXPR_OP Operator node pointing to one or two other nodes
1831 EXPR_FUNCTION Function call, symbol points to function's name
1832 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1833 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1834 which expresses structure, array and substring refs.
1835 EXPR_NULL The NULL pointer value (which also has a basic type).
1836 EXPR_SUBSTRING A substring of a constant string
1837 EXPR_STRUCTURE A structure constructor
1838 EXPR_ARRAY An array constructor.
1839 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1840 component or type-bound procedure. */
1844 #define GFC_RND_MODE GMP_RNDN
1845 #define GFC_MPC_RND_MODE MPC_RNDNN
1847 typedef splay_tree gfc_constructor_base
;
1849 typedef struct gfc_expr
1853 gfc_typespec ts
; /* These two refer to the overall expression */
1855 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1856 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1858 /* Nonnull for functions and structure constructors, may also used to hold the
1859 base-object for component calls. */
1860 gfc_symtree
*symtree
;
1866 /* Used to store the base expression in component calls, when the expression
1867 is not a variable. */
1868 struct gfc_expr
*base_expr
;
1870 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1871 denotes a signalling not-a-number. */
1872 unsigned int is_boz
: 1, is_snan
: 1;
1874 /* Sometimes, when an error has been emitted, it is necessary to prevent
1875 it from recurring. */
1876 unsigned int error
: 1;
1878 /* Mark an expression where a user operator has been substituted by
1879 a function call in interface.c(gfc_extend_expr). */
1880 unsigned int user_operator
: 1;
1882 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1883 unsigned int mold
: 1;
1885 /* If an expression comes from a Hollerith constant or compile-time
1886 evaluation of a transfer statement, it may have a prescribed target-
1887 memory representation, and these cannot always be backformed from
1910 gfc_intrinsic_op op
;
1912 struct gfc_expr
*op1
, *op2
;
1918 gfc_actual_arglist
*actual
;
1919 const char *name
; /* Points to the ultimate name of the function */
1920 gfc_intrinsic_sym
*isym
;
1927 gfc_actual_arglist
* actual
;
1929 /* Base-object, whose component was called. NULL means that it should
1930 be taken from symtree/ref. */
1931 struct gfc_expr
* base_object
;
1932 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1934 /* For type-bound operators, we want to call PASS procedures but already
1935 have the full arglist; mark this, so that it is not extended by the
1937 unsigned ignore_pass
:1;
1939 /* Do assign-calls rather than calls, that is appropriate dependency
1952 gfc_constructor_base constructor
;
1960 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1962 /* Structures for information associated with different kinds of
1963 numbers. The first set of integer parameters define all there is
1964 to know about a particular kind. The rest of the elements are
1965 computed from the first elements. */
1969 /* Values really representable by the target. */
1970 mpz_t huge
, pedantic_min_int
, min_int
;
1972 int kind
, radix
, digits
, bit_size
, range
;
1974 /* True if the C type of the given name maps to this precision.
1975 Note that more than one bit can be set. */
1976 unsigned int c_char
: 1;
1977 unsigned int c_short
: 1;
1978 unsigned int c_int
: 1;
1979 unsigned int c_long
: 1;
1980 unsigned int c_long_long
: 1;
1984 extern gfc_integer_info gfc_integer_kinds
[];
1991 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1992 unsigned int c_bool
: 1;
1996 extern gfc_logical_info gfc_logical_kinds
[];
2001 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2002 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2003 int range
, precision
;
2005 /* The precision of the type as reported by GET_MODE_PRECISION. */
2008 /* True if the C type of the given name maps to this precision.
2009 Note that more than one bit can be set. */
2010 unsigned int c_float
: 1;
2011 unsigned int c_double
: 1;
2012 unsigned int c_long_double
: 1;
2013 unsigned int c_float128
: 1;
2017 extern gfc_real_info gfc_real_kinds
[];
2026 extern gfc_character_info gfc_character_kinds
[];
2029 /* Equivalence structures. Equivalent lvalues are linked along the
2030 *eq pointer, equivalence sets are strung along the *next node. */
2031 typedef struct gfc_equiv
2033 struct gfc_equiv
*next
, *eq
;
2040 #define gfc_get_equiv() XCNEW (gfc_equiv)
2042 /* Holds a single equivalence member after processing. */
2043 typedef struct gfc_equiv_info
2046 HOST_WIDE_INT offset
;
2047 HOST_WIDE_INT length
;
2048 struct gfc_equiv_info
*next
;
2051 /* Holds equivalence groups, after they have been processed. */
2052 typedef struct gfc_equiv_list
2054 gfc_equiv_info
*equiv
;
2055 struct gfc_equiv_list
*next
;
2058 /* gfc_case stores the selector list of a case statement. The *low
2059 and *high pointers can point to the same expression in the case of
2060 a single value. If *high is NULL, the selection is from *low
2061 upwards, if *low is NULL the selection is *high downwards.
2063 This structure has separate fields to allow single and double linked
2064 lists of CASEs at the same time. The singe linked list along the NEXT
2065 field is a list of cases for a single CASE label. The double linked
2066 list along the LEFT/RIGHT fields is used to detect overlap and to
2067 build a table of the cases for SELECT constructs with a CHARACTER
2070 typedef struct gfc_case
2072 /* Where we saw this case. */
2076 /* Case range values. If (low == high), it's a single value. If one of
2077 the labels is NULL, it's an unbounded case. If both are NULL, this
2078 represents the default case. */
2079 gfc_expr
*low
, *high
;
2081 /* Only used for SELECT TYPE. */
2084 /* Next case label in the list of cases for a single CASE label. */
2085 struct gfc_case
*next
;
2087 /* Used for detecting overlap, and for code generation. */
2088 struct gfc_case
*left
, *right
;
2090 /* True if this case label can never be matched. */
2095 #define gfc_get_case() XCNEW (gfc_case)
2100 gfc_expr
*var
, *start
, *end
, *step
;
2104 #define gfc_get_iterator() XCNEW (gfc_iterator)
2107 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2109 typedef struct gfc_alloc
2112 struct gfc_alloc
*next
;
2116 #define gfc_get_alloc() XCNEW (gfc_alloc)
2121 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2122 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2123 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
2131 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2139 gfc_expr
*unit
, *iostat
, *iomsg
;
2147 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2148 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2149 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2150 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2151 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2162 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2163 gfc_st_label
*err
, *end
, *eor
;
2170 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2171 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2172 *sign
, *extra_comma
, *dt_io_kind
;
2174 gfc_symbol
*namelist
;
2175 /* A format_label of `format_asterisk' indicates the "*" format */
2176 gfc_st_label
*format_label
;
2177 gfc_st_label
*err
, *end
, *eor
;
2179 locus eor_where
, end_where
, err_where
;
2184 typedef struct gfc_forall_iterator
2186 gfc_expr
*var
, *start
, *end
, *stride
;
2187 struct gfc_forall_iterator
*next
;
2189 gfc_forall_iterator
;
2192 /* Linked list to store associations in an ASSOCIATE statement. */
2194 typedef struct gfc_association_list
2196 struct gfc_association_list
*next
;
2198 /* Whether this is association to a variable that can be changed; otherwise,
2199 it's association to an expression and the name may not be used as
2201 unsigned variable
:1;
2203 /* True if this struct is currently only linked to from a gfc_symbol rather
2204 than as part of a real list in gfc_code->ext.block.assoc. This may
2205 happen for SELECT TYPE temporaries and must be considered
2206 for memory handling. */
2207 unsigned dangling
:1;
2209 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2210 gfc_symtree
*st
; /* Symtree corresponding to name. */
2215 gfc_association_list
;
2216 #define gfc_get_association_list() XCNEW (gfc_association_list)
2219 /* Executable statements that fill gfc_code structures. */
2222 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2223 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2224 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2225 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2226 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2227 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2228 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2229 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2230 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2231 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2232 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2233 EXEC_LOCK
, EXEC_UNLOCK
,
2234 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
,
2235 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2236 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2237 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
,
2238 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2239 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2240 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2241 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2242 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2243 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2244 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2245 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2246 EXEC_OMP_PARALLEL_DO_SIMD
2252 GFC_OMP_ATOMIC_UPDATE
= 0,
2253 GFC_OMP_ATOMIC_READ
= 1,
2254 GFC_OMP_ATOMIC_WRITE
= 2,
2255 GFC_OMP_ATOMIC_CAPTURE
= 3,
2256 GFC_OMP_ATOMIC_MASK
= 3,
2257 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2258 GFC_OMP_ATOMIC_SWAP
= 8
2262 typedef struct gfc_code
2266 struct gfc_code
*block
, *next
;
2269 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2270 gfc_symtree
*symtree
;
2271 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2272 /* A name isn't sufficient to identify a subroutine, we need the actual
2273 symbol for the interface definition.
2274 const char *sub_name; */
2275 gfc_symbol
*resolved_sym
;
2276 gfc_intrinsic_sym
*resolved_isym
;
2280 gfc_actual_arglist
*actual
;
2281 gfc_iterator
*iterator
;
2293 gfc_association_list
*assoc
;
2294 gfc_case
*case_list
;
2300 gfc_filepos
*filepos
;
2301 gfc_inquire
*inquire
;
2304 gfc_forall_iterator
*forall_iterator
;
2305 struct gfc_code
*which_construct
;
2307 gfc_entry_list
*entry
;
2308 gfc_omp_clauses
*omp_clauses
;
2309 const char *omp_name
;
2310 gfc_omp_namelist
*omp_namelist
;
2312 gfc_omp_atomic_op omp_atomic
;
2314 ext
; /* Points to additional structures required by statement */
2316 /* Cycle and break labels in constructs. */
2323 /* Storage for DATA statements. */
2324 typedef struct gfc_data_variable
2328 struct gfc_data_variable
*list
, *next
;
2333 typedef struct gfc_data_value
2337 struct gfc_data_value
*next
;
2342 typedef struct gfc_data
2344 gfc_data_variable
*var
;
2345 gfc_data_value
*value
;
2348 struct gfc_data
*next
;
2353 /* Structure for holding compile options */
2357 gfc_source_form source_form
;
2358 /* Maximum line lengths in fixed- and free-form source, respectively.
2359 When fixed_line_length or free_line_length are 0, the whole line is used,
2360 regardless of length.
2362 If the user requests a fixed_line_length <7 then gfc_init_options()
2363 emits a fatal error. */
2364 int fixed_line_length
;
2365 int free_line_length
;
2366 /* Maximum number of continuation lines in fixed- and free-form source,
2368 int max_continue_fixed
;
2369 int max_continue_free
;
2370 int max_identifier_length
;
2371 int dump_fortran_original
;
2372 int dump_fortran_optimized
;
2376 int gfc_warn_conversion
;
2377 int warn_c_binding_type
;
2378 int warn_conversion_extra
;
2379 int warn_function_elimination
;
2380 int warn_implicit_interface
;
2381 int warn_implicit_procedure
;
2382 int warn_line_truncation
;
2383 int warn_surprising
;
2386 int warn_intrinsic_shadow
;
2387 int warn_intrinsics_std
;
2388 int warn_character_truncation
;
2389 int warn_array_temp
;
2390 int warn_align_commons
;
2391 int warn_real_q_constant
;
2392 int warn_unused_dummy_argument
;
2394 int warn_realloc_lhs
;
2395 int warn_realloc_lhs_all
;
2396 int warn_compare_reals
;
2397 int warn_target_lifetime
;
2400 int flag_all_intrinsics
;
2401 int flag_default_double
;
2402 int flag_default_integer
;
2403 int flag_default_real
;
2404 int flag_integer4_kind
;
2405 int flag_real4_kind
;
2406 int flag_real8_kind
;
2408 int flag_underscoring
;
2409 int flag_second_underscore
;
2410 int flag_implicit_none
;
2411 int flag_max_stack_var_size
;
2412 int flag_max_array_constructor
;
2413 int flag_range_check
;
2414 int flag_pack_derived
;
2415 int flag_repack_arrays
;
2416 int flag_preprocessed
;
2421 int flag_allow_leading_underscore
;
2422 int flag_external_blas
;
2423 int blas_matmul_limit
;
2424 int flag_cray_pointer
;
2426 int gfc_flag_openacc
;
2427 int gfc_flag_openmp
;
2428 int gfc_flag_openmp_simd
;
2430 int flag_stack_arrays
;
2431 int flag_module_private
;
2433 int flag_init_local_zero
;
2434 int flag_init_integer
;
2435 int flag_init_integer_value
;
2437 int flag_init_logical
;
2438 int flag_init_character
;
2439 char flag_init_character_value
;
2440 int flag_align_commons
;
2441 int flag_protect_parens
;
2442 int flag_realloc_lhs
;
2443 int flag_aggressive_function_elimination
;
2444 int flag_frontend_optimize
;
2449 gfc_fcoarray coarray
;
2455 int max_subrecord_length
;
2459 extern gfc_option_t gfc_option
;
2461 /* Constructor nodes for array and structure constructors. */
2462 typedef struct gfc_constructor
2464 gfc_constructor_base base
;
2465 mpz_t offset
; /* Offset within a constructor, used as
2469 gfc_iterator
*iterator
;
2474 gfc_component
*component
; /* Record the component being initialized. */
2477 mpz_t repeat
; /* Record the repeat number of initial values in data
2478 statement like "data a/5*10/". */
2483 typedef struct iterator_stack
2485 gfc_symtree
*variable
;
2487 struct iterator_stack
*prev
;
2490 extern iterator_stack
*iter_stack
;
2493 /* Used for (possibly nested) SELECT TYPE statements. */
2494 typedef struct gfc_select_type_stack
2496 gfc_symbol
*selector
; /* Current selector variable. */
2497 gfc_symtree
*tmp
; /* Current temporary variable. */
2498 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2500 gfc_select_type_stack
;
2501 extern gfc_select_type_stack
*select_type_stack
;
2502 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2505 /* Node in the linked list used for storing finalizer procedures. */
2507 typedef struct gfc_finalizer
2509 struct gfc_finalizer
* next
;
2510 locus where
; /* Where the FINAL declaration occurred. */
2512 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2513 symtree and later need only that. This way, we can access and call the
2514 finalizers from every context as they should be "always accessible". I
2515 don't make this a union because we need the information whether proc_sym is
2516 still referenced or not for dereferencing it on deleting a gfc_finalizer
2518 gfc_symbol
* proc_sym
;
2519 gfc_symtree
* proc_tree
;
2522 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2525 /************************ Function prototypes *************************/
2528 bool gfc_in_match_data (void);
2529 match
gfc_match_char_spec (gfc_typespec
*);
2532 void gfc_scanner_done_1 (void);
2533 void gfc_scanner_init_1 (void);
2535 void gfc_add_include_path (const char *, bool, bool, bool);
2536 void gfc_add_intrinsic_modules_path (const char *);
2537 void gfc_release_include_path (void);
2538 FILE *gfc_open_included_file (const char *, bool, bool);
2540 int gfc_at_end (void);
2541 int gfc_at_eof (void);
2542 int gfc_at_bol (void);
2543 int gfc_at_eol (void);
2544 void gfc_advance_line (void);
2545 int gfc_check_include (void);
2546 int gfc_define_undef_line (void);
2548 int gfc_wide_is_printable (gfc_char_t
);
2549 int gfc_wide_is_digit (gfc_char_t
);
2550 int gfc_wide_fits_in_byte (gfc_char_t
);
2551 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2552 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2553 size_t gfc_wide_strlen (const gfc_char_t
*);
2554 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2555 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2556 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2557 gfc_char_t
*gfc_char_to_widechar (const char *);
2559 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2561 void gfc_skip_comments (void);
2562 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2563 gfc_char_t
gfc_next_char (void);
2564 char gfc_next_ascii_char (void);
2565 gfc_char_t
gfc_peek_char (void);
2566 char gfc_peek_ascii_char (void);
2567 void gfc_error_recovery (void);
2568 void gfc_gobble_whitespace (void);
2569 bool gfc_new_file (void);
2570 const char * gfc_read_orig_filename (const char *, const char **);
2572 extern gfc_source_form gfc_current_form
;
2573 extern const char *gfc_source_file
;
2574 extern locus gfc_current_locus
;
2576 void gfc_start_source_files (void);
2577 void gfc_end_source_files (void);
2580 void gfc_clear_ts (gfc_typespec
*);
2581 FILE *gfc_open_file (const char *);
2582 const char *gfc_basic_typename (bt
);
2583 const char *gfc_typename (gfc_typespec
*);
2584 const char *gfc_op2string (gfc_intrinsic_op
);
2585 const char *gfc_code2string (const mstring
*, int);
2586 int gfc_string2code (const mstring
*, const char *);
2587 const char *gfc_intent_string (sym_intent
);
2589 void gfc_init_1 (void);
2590 void gfc_init_2 (void);
2591 void gfc_done_1 (void);
2592 void gfc_done_2 (void);
2594 int get_c_kind (const char *, CInteropKind_t
*);
2597 unsigned int gfc_option_lang_mask (void);
2598 void gfc_init_options_struct (struct gcc_options
*);
2599 void gfc_init_options (unsigned int,
2600 struct cl_decoded_option
*);
2601 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2602 const struct cl_option_handlers
*);
2603 bool gfc_post_options (const char **);
2604 char *gfc_get_option_string (void);
2607 void gfc_maybe_initialize_eh (void);
2610 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2611 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2615 typedef struct gfc_error_buf
2618 size_t allocated
, index
;
2622 void gfc_error_init_1 (void);
2623 void gfc_buffer_error (int);
2625 const char *gfc_print_wide_char (gfc_char_t
);
2627 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2628 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2629 void gfc_clear_warning (void);
2630 void gfc_warning_check (void);
2632 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2633 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2634 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2635 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2636 void gfc_clear_error (void);
2637 int gfc_error_check (void);
2638 int gfc_error_flag_test (void);
2640 notification
gfc_notification_std (int);
2641 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2643 /* A general purpose syntax error. */
2644 #define gfc_syntax_error(ST) \
2645 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2647 void gfc_push_error (gfc_error_buf
*);
2648 void gfc_pop_error (gfc_error_buf
*);
2649 void gfc_free_error (gfc_error_buf
*);
2651 void gfc_get_errors (int *, int *);
2652 void gfc_errors_to_warnings (int);
2655 void gfc_arith_init_1 (void);
2656 void gfc_arith_done_1 (void);
2657 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2658 bool gfc_check_character_range (gfc_char_t
, int);
2661 bool gfc_check_any_c_kind (gfc_typespec
*);
2662 int gfc_validate_kind (bt
, int, bool);
2663 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2664 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2665 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2666 extern int gfc_index_integer_kind
;
2667 extern int gfc_default_integer_kind
;
2668 extern int gfc_max_integer_kind
;
2669 extern int gfc_default_real_kind
;
2670 extern int gfc_default_double_kind
;
2671 extern int gfc_default_character_kind
;
2672 extern int gfc_default_logical_kind
;
2673 extern int gfc_default_complex_kind
;
2674 extern int gfc_c_int_kind
;
2675 extern int gfc_atomic_int_kind
;
2676 extern int gfc_atomic_logical_kind
;
2677 extern int gfc_intio_kind
;
2678 extern int gfc_charlen_int_kind
;
2679 extern int gfc_numeric_storage_size
;
2680 extern int gfc_character_storage_size
;
2683 void gfc_clear_new_implicit (void);
2684 bool gfc_add_new_implicit_range (int, int);
2685 bool gfc_merge_new_implicit (gfc_typespec
*);
2686 void gfc_set_implicit_none (void);
2687 void gfc_check_function_type (gfc_namespace
*);
2688 bool gfc_is_intrinsic_typename (const char *);
2690 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2691 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2693 void gfc_set_sym_referenced (gfc_symbol
*);
2695 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2696 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2697 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2698 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2699 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2700 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2701 bool gfc_add_external (symbol_attribute
*, locus
*);
2702 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2703 bool gfc_add_optional (symbol_attribute
*, locus
*);
2704 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2705 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2706 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2707 match
gfc_mod_pointee_as (gfc_array_spec
*);
2708 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2709 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2710 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2711 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2712 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2713 bool gfc_add_target (symbol_attribute
*, locus
*);
2714 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2715 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2716 bool gfc_add_common (symbol_attribute
*, locus
*);
2717 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2718 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2719 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2720 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2721 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2722 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2723 bool gfc_add_pure (symbol_attribute
*, locus
*);
2724 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2725 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2726 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2727 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2728 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2729 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2730 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2732 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2733 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2734 bool gfc_add_extension (symbol_attribute
*, locus
*);
2735 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2736 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2737 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2738 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2739 const char *, locus
*);
2740 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2741 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2742 gfc_formal_arglist
*, locus
*);
2743 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2745 void gfc_clear_attr (symbol_attribute
*);
2746 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2747 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2749 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2750 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2751 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2752 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2754 gfc_st_label
*gfc_get_st_label (int);
2755 void gfc_free_st_label (gfc_st_label
*);
2756 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2757 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2759 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2760 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2761 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2762 void gfc_delete_symtree (gfc_symtree
**, const char *);
2763 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2764 gfc_user_op
*gfc_get_uop (const char *);
2765 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2766 void gfc_free_symbol (gfc_symbol
*);
2767 void gfc_release_symbol (gfc_symbol
*);
2768 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2769 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2770 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2771 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2772 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2773 bool gfc_verify_c_interop (gfc_typespec
*);
2774 bool gfc_verify_c_interop_param (gfc_symbol
*);
2775 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2776 bool verify_bind_c_derived_type (gfc_symbol
*);
2777 bool verify_com_block_vars_c_interop (gfc_common_head
*);
2778 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
2779 const char *, gfc_symtree
*, bool);
2780 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2781 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2782 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2784 void gfc_new_undo_checkpoint (gfc_undo_change_set
&);
2785 void gfc_drop_last_undo_checkpoint (void);
2786 void gfc_restore_last_undo_checkpoint (void);
2787 void gfc_undo_symbols (void);
2788 void gfc_commit_symbols (void);
2789 void gfc_commit_symbol (gfc_symbol
*);
2790 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2791 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2792 void gfc_free_namespace (gfc_namespace
*);
2794 void gfc_symbol_init_2 (void);
2795 void gfc_symbol_done_2 (void);
2797 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2798 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2799 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2800 void gfc_save_all (gfc_namespace
*);
2802 void gfc_enforce_clean_symbol_state (void);
2803 void gfc_free_dt_list (void);
2806 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2807 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2809 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2810 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2811 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2812 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2813 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2815 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2817 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2819 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2820 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2822 bool gfc_is_associate_pointer (gfc_symbol
*);
2823 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2824 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
2826 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2827 extern bool gfc_init_expr_flag
;
2829 /* Given a symbol that we have decided is intrinsic, mark it as such
2830 by placing it into a special module that is otherwise impossible to
2833 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2835 void gfc_intrinsic_init_1 (void);
2836 void gfc_intrinsic_done_1 (void);
2838 char gfc_type_letter (bt
);
2839 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2840 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2841 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2842 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2843 int gfc_generic_intrinsic (const char *);
2844 int gfc_specific_intrinsic (const char *);
2845 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2846 int gfc_intrinsic_actual_ok (const char *, const bool);
2847 gfc_intrinsic_sym
*gfc_find_function (const char *);
2848 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2849 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2850 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
2851 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
2852 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
2855 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2856 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2858 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2859 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2862 /* match.c -- FIXME */
2863 void gfc_free_iterator (gfc_iterator
*, int);
2864 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2865 void gfc_free_alloc_list (gfc_alloc
*);
2866 void gfc_free_namelist (gfc_namelist
*);
2867 void gfc_free_omp_namelist (gfc_omp_namelist
*);
2868 void gfc_free_equiv (gfc_equiv
*);
2869 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2870 void gfc_free_data (gfc_data
*);
2871 void gfc_free_case_list (gfc_case
*);
2873 /* matchexp.c -- FIXME too? */
2874 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2877 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2878 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2879 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
2880 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
2881 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2882 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2883 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2884 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2885 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
2886 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2887 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2888 void gfc_free_expr_list (gfc_expr_list
*);
2889 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
2890 void gfc_resolve_oacc_declare (gfc_namespace
*);
2891 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
2892 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
2895 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2896 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2897 const char *gfc_extract_int (gfc_expr
*, int *);
2898 bool is_subref_array (gfc_expr
*);
2899 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2900 bool gfc_check_init_expr (gfc_expr
*);
2902 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2903 void gfc_free_ref_list (gfc_ref
*);
2904 void gfc_type_convert_binary (gfc_expr
*, int);
2905 int gfc_is_constant_expr (gfc_expr
*);
2906 bool gfc_simplify_expr (gfc_expr
*, int);
2907 int gfc_has_vector_index (gfc_expr
*);
2909 gfc_expr
*gfc_get_expr (void);
2910 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2911 gfc_expr
*gfc_get_null_expr (locus
*);
2912 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2913 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2914 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2915 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2916 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2917 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2918 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2920 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2921 void gfc_free_shape (mpz_t
**shape
, int rank
);
2922 void gfc_free_expr (gfc_expr
*);
2923 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2924 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2925 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2926 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2927 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2929 bool gfc_specification_expr (gfc_expr
*);
2931 int gfc_numeric_ts (gfc_typespec
*);
2932 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2934 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2935 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2936 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2937 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
2939 bool gfc_has_default_initializer (gfc_symbol
*);
2940 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2941 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2942 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2943 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2945 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2947 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2948 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2950 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2951 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2953 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2954 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2956 bool gfc_ref_this_image (gfc_ref
*ref
);
2957 bool gfc_is_coindexed (gfc_expr
*);
2958 bool gfc_is_coarray (gfc_expr
*);
2959 int gfc_get_corank (gfc_expr
*);
2960 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2961 bool gfc_has_ultimate_pointer (gfc_expr
*);
2963 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
2964 locus
, unsigned, ...);
2965 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
2969 extern gfc_code new_st
;
2971 void gfc_clear_new_st (void);
2972 gfc_code
*gfc_get_code (gfc_exec_op
);
2973 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2974 void gfc_free_statement (gfc_code
*);
2975 void gfc_free_statements (gfc_code
*);
2976 void gfc_free_association_list (gfc_association_list
*);
2979 bool gfc_resolve_expr (gfc_expr
*);
2980 void gfc_resolve (gfc_namespace
*);
2981 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2982 int gfc_impure_variable (gfc_symbol
*);
2983 int gfc_pure (gfc_symbol
*);
2984 int gfc_implicit_pure (gfc_symbol
*);
2985 void gfc_unset_implicit_pure (gfc_symbol
*);
2986 int gfc_elemental (gfc_symbol
*);
2987 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
2988 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2989 bool gfc_resolve_index (gfc_expr
*, int);
2990 bool gfc_resolve_dim_arg (gfc_expr
*);
2991 int gfc_is_formal_arg (void);
2992 void gfc_resolve_substring_charlen (gfc_expr
*);
2993 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2994 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2995 bool gfc_type_is_extensible (gfc_symbol
*);
2996 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2997 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
2998 extern int gfc_do_concurrent_flag
;
3002 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3004 void gfc_free_array_spec (gfc_array_spec
*);
3005 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3007 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3008 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3009 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3011 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3013 void gfc_simplify_iterator_var (gfc_expr
*);
3014 bool gfc_expand_constructor (gfc_expr
*, bool);
3015 int gfc_constant_ac (gfc_expr
*);
3016 int gfc_expanded_ac (gfc_expr
*);
3017 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3018 bool gfc_resolve_array_constructor (gfc_expr
*);
3019 bool gfc_check_constructor_type (gfc_expr
*);
3020 bool gfc_check_iter_variable (gfc_expr
*);
3021 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3022 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3023 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3024 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3025 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
3026 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3027 bool spec_size (gfc_array_spec
*, mpz_t
*);
3028 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3029 int gfc_is_compile_time_shape (gfc_array_spec
*);
3031 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3034 /* interface.c -- FIXME: some of these should be in symbol.c */
3035 void gfc_free_interface (gfc_interface
*);
3036 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3037 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3038 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3039 char *, int, const char *, const char *);
3040 void gfc_check_interfaces (gfc_namespace
*);
3041 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3042 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3043 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3044 gfc_actual_arglist
**);
3045 match
gfc_extend_expr (gfc_expr
*);
3046 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3047 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3048 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3049 bool gfc_add_interface (gfc_symbol
*);
3050 gfc_interface
*gfc_current_interface_head (void);
3051 void gfc_set_current_interface_head (gfc_interface
*);
3052 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3053 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3054 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3055 int gfc_has_vector_subscript (gfc_expr
*);
3056 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3057 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3060 extern gfc_st_label format_asterisk
;
3062 void gfc_free_open (gfc_open
*);
3063 bool gfc_resolve_open (gfc_open
*);
3064 void gfc_free_close (gfc_close
*);
3065 bool gfc_resolve_close (gfc_close
*);
3066 void gfc_free_filepos (gfc_filepos
*);
3067 bool gfc_resolve_filepos (gfc_filepos
*);
3068 void gfc_free_inquire (gfc_inquire
*);
3069 bool gfc_resolve_inquire (gfc_inquire
*);
3070 void gfc_free_dt (gfc_dt
*);
3071 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3072 void gfc_free_wait (gfc_wait
*);
3073 bool gfc_resolve_wait (gfc_wait
*);
3076 void gfc_module_init_2 (void);
3077 void gfc_module_done_2 (void);
3078 void gfc_dump_module (const char *, int);
3079 bool gfc_check_symbol_access (gfc_symbol
*);
3080 void gfc_free_use_stmts (gfc_use_list
*);
3083 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3084 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3085 match
gfc_match_rvalue (gfc_expr
**);
3086 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3087 int gfc_check_digit (char, int);
3088 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3089 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3091 gfc_actual_arglist
**, bool);
3094 void gfc_generate_code (gfc_namespace
*);
3095 void gfc_generate_module_code (gfc_namespace
*);
3097 /* trans-intrinsic.c */
3098 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3101 typedef int (*compare_fn
) (void *, void *);
3102 void gfc_insert_bbt (void *, void *, compare_fn
);
3103 void gfc_delete_bbt (void *, void *, compare_fn
);
3105 /* dump-parse-tree.c */
3106 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3109 bool gfc_parse_file (void);
3110 void gfc_global_used (gfc_gsymbol
*, locus
*);
3111 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3114 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3115 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3116 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3119 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3120 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3121 size_t*, size_t*, size_t*);
3124 void gfc_fix_class_refs (gfc_expr
*e
);
3125 void gfc_add_component_ref (gfc_expr
*, const char *);
3126 void gfc_add_class_array_ref (gfc_expr
*);
3127 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3128 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3129 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3130 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3131 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3132 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3133 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3134 bool gfc_is_class_scalar_expr (gfc_expr
*);
3135 bool gfc_is_class_container_ref (gfc_expr
*e
);
3136 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3137 unsigned int gfc_hash_value (gfc_symbol
*);
3138 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3140 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3141 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3142 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3143 const char*, bool, locus
*);
3144 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3145 const char*, bool, locus
*);
3146 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3147 gfc_intrinsic_op
, bool,
3149 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3150 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3152 #define CLASS_DATA(sym) sym->ts.u.derived->components
3153 #define UNLIMITED_POLY(sym) \
3154 (sym != NULL && sym->ts.type == BT_CLASS \
3155 && CLASS_DATA (sym) \
3156 && CLASS_DATA (sym)->ts.u.derived \
3157 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3159 /* frontend-passes.c */
3161 void gfc_run_passes (gfc_namespace
*);
3163 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3164 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3166 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3167 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3171 void gfc_convert_mpz_to_signed (mpz_t
, int);
3173 #endif /* GCC_GFORTRAN_H */