1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
3 Free Software Foundation, Inc.
4 Contributed by Andy Vaught
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 #ifndef GCC_GFORTRAN_H
23 #define GCC_GFORTRAN_H
25 /* It's probably insane to have this large of a header file, but it
26 seemed like everything had to be recompiled anyway when a change
27 was made to a header file, and there were ordering issues with
28 multiple header files. Besides, Microsoft's winnt.h was 250k last
29 time I looked, so by comparison this is perfectly reasonable. */
31 /* Declarations common to the front-end and library are put in
32 libgfortran/libgfortran_frontend.h */
33 #include "libgfortran.h"
38 #include "coretypes.h"
40 #include "splay-tree.h"
41 /* The following ifdefs are recommended by the autoconf documentation
42 for any code using alloca. */
44 /* AIX requires this to be the first thing in the file. */
46 #else /* not __GNUC__ */
49 #else /* do not HAVE_ALLOCA_H */
53 #ifndef alloca /* predefined by HP cc +Olibcalls */
55 #endif /* not predefined */
57 #endif /* do not HAVE_ALLOCA_H */
58 #endif /* not __GNUC__ */
60 /* Major control parameters. */
62 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
63 #define GFC_MAX_BINDING_LABEL_LEN 126 /* (2 * GFC_MAX_SYMBOL_LEN) */
64 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
65 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
67 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
70 #define free(x) Use_gfc_free_instead_of_free()
71 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
74 #define NULL ((void *) 0)
78 #define stringize(x) expand_macro(x)
79 #define expand_macro(x) # x
81 /* For a the runtime library, a standard prefix is a requirement to
82 avoid cluttering the namespace with things nobody asked for. It's
83 ugly to look at and a pain to type when you add the prefix by hand,
84 so we hide it behind a macro. */
85 #define PREFIX(x) "_gfortran_" x
88 #define BLANK_COMMON_NAME "__BLNK__"
90 /* Macro to initialize an mstring structure. */
91 #define minit(s, t) { s, NULL, t }
93 /* Structure for storing strings to be matched by gfc_match_string. */
104 /*************************** Enums *****************************/
106 /* The author remains confused to this day about the convention of
107 returning '0' for 'SUCCESS'... or was it the other way around? The
108 following enum makes things much more readable. We also start
109 values off at one instead of zero. */
112 { SUCCESS
= 1, FAILURE
}
115 /* This is returned by gfc_notification_std to know if, given the flags
116 that were given (-std=, -pedantic) we should issue an error, a warning
120 { SILENT
, WARNING
, ERROR
}
123 /* Matchers return one of these three values. The difference between
124 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
125 successful, but that something non-syntactic is wrong and an error
126 has already been issued. */
129 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
133 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
136 /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
137 can take any arg with the pointer attribute as a param. */
139 { BT_UNKNOWN
= 1, BT_INTEGER
, BT_REAL
, BT_COMPLEX
,
140 BT_LOGICAL
, BT_CHARACTER
, BT_DERIVED
, BT_PROCEDURE
, BT_HOLLERITH
,
145 /* Expression node types. */
147 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
148 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
154 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
155 AS_ASSUMED_SIZE
, AS_UNKNOWN
160 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
163 /* Statement label types. */
165 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
166 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
170 /* Intrinsic operators. */
172 { GFC_INTRINSIC_BEGIN
= 0,
173 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
174 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
175 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
176 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
177 /* ==, /=, >, >=, <, <= */
178 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
179 INTRINSIC_LT
, INTRINSIC_LE
,
180 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
181 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
182 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
183 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
184 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
189 /* This macro is the number of intrinsic operators that exist.
190 Assumptions are made about the numbering of the interface_op enums. */
191 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
193 /* Arithmetic results. */
195 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
196 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
203 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_BACKSPACE
, ST_BLOCK_DATA
,
204 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
205 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
206 ST_ELSEWHERE
, ST_END_BLOCK_DATA
, ST_ENDDO
, ST_IMPLIED_ENDDO
,
207 ST_END_FILE
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
208 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
209 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
210 ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
, ST_GOTO
,
211 ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
,
212 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
213 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
214 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WRITE
,
215 ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
216 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
217 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
,
218 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_CRITICAL
,
219 ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
, ST_OMP_END_PARALLEL
,
220 ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
221 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
222 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
223 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
224 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
225 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_PROCEDURE
,
231 /* Types of interfaces that we can have. Assignment interfaces are
232 considered to be intrinsic operators. */
235 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
236 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
240 /* Symbol flavors: these are all mutually exclusive.
241 10 elements = 4 bits. */
242 typedef enum sym_flavor
244 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
245 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
250 /* Procedure types. 7 elements = 3 bits. */
251 typedef enum procedure_type
252 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
253 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
258 typedef enum sym_intent
259 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
264 typedef enum gfc_access
265 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
269 /* Flags to keep track of where an interface came from.
270 4 elements = 2 bits. */
272 { IFSRC_UNKNOWN
= 0, IFSRC_DECL
, IFSRC_IFBODY
, IFSRC_USAGE
276 /* Whether a SAVE attribute was set explicitly or implicitly. */
277 typedef enum save_state
278 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
282 /* Strings for all symbol attributes. We use these for dumping the
283 parse tree, in error messages, and also when reading and writing
284 modules. In symbol.c. */
285 extern const mstring flavors
[];
286 extern const mstring procedures
[];
287 extern const mstring intents
[];
288 extern const mstring access_types
[];
289 extern const mstring ifsrc_types
[];
290 extern const mstring save_status
[];
292 /* Enumeration of all the generic intrinsic functions. Used by the
293 backend for identification of a function. */
297 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
298 the backend (eg. KIND). */
329 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
339 GFC_ISYM_DATE_AND_TIME
,
343 GFC_ISYM_DOT_PRODUCT
,
370 GFC_ISYM_GET_COMMAND
,
371 GFC_ISYM_GET_COMMAND_ARGUMENT
,
374 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
399 GFC_ISYM_IS_IOSTAT_END
,
400 GFC_ISYM_IS_IOSTAT_EOR
,
430 GFC_ISYM_MAXEXPONENT
,
437 GFC_ISYM_MINEXPONENT
,
457 GFC_ISYM_RANDOM_NUMBER
,
458 GFC_ISYM_RANDOM_SEED
,
470 GFC_ISYM_SET_EXPONENT
,
490 GFC_ISYM_SYSTEM_CLOCK
,
510 typedef enum gfc_isym_id gfc_isym_id
;
513 /************************* Structures *****************************/
515 /* Used for keeping things in balanced binary trees. */
516 #define BBT_HEADER(self) int priority; struct self *left, *right
518 #define NAMED_INTCST(a,b,c) a,
521 ISOFORTRANENV_INVALID
= -1,
522 #include "iso-fortran-env.def"
523 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
525 iso_fortran_env_symbol
;
528 #define NAMED_INTCST(a,b,c) a,
529 #define NAMED_REALCST(a,b,c) a,
530 #define NAMED_CMPXCST(a,b,c) a,
531 #define NAMED_LOGCST(a,b,c) a,
532 #define NAMED_CHARKNDCST(a,b,c) a,
533 #define NAMED_CHARCST(a,b,c) a,
534 #define DERIVED_TYPE(a,b,c) a,
535 #define PROCEDURE(a,b) a,
538 ISOCBINDING_INVALID
= -1,
539 #include "iso-c-binding.def"
541 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
543 iso_c_binding_symbol
;
548 #undef NAMED_CHARKNDCST
555 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
561 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
562 int value
; /* Used for both integer and character values. */
567 /* Array of structs, where the structs represent the C interop kinds.
568 The list will be implemented based on a hash of the kind name since
569 these could be accessed multiple times.
570 Declared in trans-types.c as a global, since it's in that file
571 that the list is initialized. */
572 extern CInteropKind_t c_interop_kinds_table
[];
574 /* Symbol attribute structure. */
577 /* Variable attributes. */
578 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
579 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1,
580 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
583 ENUM_BITFIELD (save_state
) save
:2;
585 unsigned data
:1, /* Symbol is named in a DATA statement. */
586 protected:1, /* Symbol has been marked as protected. */
587 use_assoc
:1, /* Symbol has been use-associated. */
588 use_only
:1, /* Symbol has been use-associated, with ONLY. */
589 imported
:1; /* Symbol has been associated by IMPORT. */
591 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
592 unsigned function
:1, subroutine
:1, procedure
:1;
593 unsigned generic
:1, generic_copy
:1;
594 unsigned implicit_type
:1; /* Type defined via implicit rules. */
595 unsigned untyped
:1; /* No implicit type could be found. */
597 unsigned is_bind_c
:1; /* say if is bound to C */
599 /* These flags are both in the typespec and attribute. The attribute
600 list is what gets read from/written to a module file. The typespec
601 is created from a decl being processed. */
602 unsigned is_c_interop
:1; /* It's c interoperable. */
603 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
605 /* Function/subroutine attributes */
606 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
607 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
609 /* This is set if the subroutine doesn't return. Currently, this
610 is only possible for intrinsic subroutines. */
613 /* Set if this procedure is an alternate entry point. These procedures
614 don't have any code associated, and the backend will turn them into
615 thunks to the master function. */
618 /* Set if this is the master function for a procedure with multiple
620 unsigned entry_master
:1;
622 /* Set if this is the master function for a function with multiple
623 entry points where characteristics of the entry points differ. */
624 unsigned mixed_entry_master
:1;
626 /* Set if a function must always be referenced by an explicit interface. */
627 unsigned always_explicit
:1;
629 /* Set if the symbol has been referenced in an expression. No further
630 modification of type or type parameters is permitted. */
631 unsigned referenced
:1;
633 /* Set if the symbol has ambiguous interfaces. */
634 unsigned ambiguous_interfaces
:1;
636 /* Set if the is the symbol for the main program. This is the least
637 cumbersome way to communicate this function property without
638 strcmp'ing with __MAIN everywhere. */
639 unsigned is_main_program
:1;
641 /* Mutually exclusive multibit attributes. */
642 ENUM_BITFIELD (gfc_access
) access
:2;
643 ENUM_BITFIELD (sym_intent
) intent
:2;
644 ENUM_BITFIELD (sym_flavor
) flavor
:4;
645 ENUM_BITFIELD (ifsrc
) if_source
:2;
647 ENUM_BITFIELD (procedure_type
) proc
:3;
649 /* Special attributes for Cray pointers, pointees. */
650 unsigned cray_pointer
:1, cray_pointee
:1;
652 /* The symbol is a derived type with allocatable components, pointer
653 components or private components, possibly nested. */
654 unsigned alloc_comp
:1, pointer_comp
:1, private_comp
:1;
656 /* The namespace where the VOLATILE attribute has been set. */
657 struct gfc_namespace
*volatile_ns
;
662 /* The following three structures are used to identify a location in
665 gfc_file is used to maintain a tree of the source files and how
666 they include each other
668 gfc_linebuf holds a single line of source code and information
669 which file it resides in
671 locus point to the sourceline and the character in the source
675 typedef struct gfc_file
677 struct gfc_file
*included_by
, *next
, *up
;
678 int inclusion_line
, line
;
682 typedef struct gfc_linebuf
684 #ifdef USE_MAPPED_LOCATION
685 source_location location
;
689 struct gfc_file
*file
;
690 struct gfc_linebuf
*next
;
697 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
699 #ifdef USE_MAPPED_LOCATION
700 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
702 #define gfc_linebuf_linenum(LBUF) ((LBUF)->linenum)
711 /* In order for the "gfc" format checking to work correctly, you must
712 have declared a typedef locus first. */
713 #if GCC_VERSION >= 4001
714 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
716 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
720 extern int gfc_suppress_error
;
723 /* Character length structures hold the expression that gives the
724 length of a character variable. We avoid putting these into
725 gfc_typespec because doing so prevents us from doing structure
726 copies and forces us to deallocate any typespecs we create, as well
727 as structures that contain typespecs. They also can have multiple
728 character typespecs pointing to them.
730 These structures form a singly linked list within the current
731 namespace and are deallocated with the namespace. It is possible to
732 end up with gfc_charlen structures that have nothing pointing to them. */
734 typedef struct gfc_charlen
736 struct gfc_expr
*length
;
737 struct gfc_charlen
*next
;
744 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
746 /* Type specification structure. FIXME: derived and cl could be union??? */
751 struct gfc_symbol
*derived
;
752 gfc_charlen
*cl
; /* For character types only. */
759 /* Array specification. */
762 int rank
; /* A rank of zero means that a variable is a scalar. */
764 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
766 /* These two fields are used with the Cray Pointer extension. */
767 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
768 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
769 AS_EXPLICIT, but we want to remember that we
775 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
778 /* Components of derived types. */
779 typedef struct gfc_component
784 int pointer
, allocatable
, dimension
;
790 struct gfc_expr
*initializer
;
791 struct gfc_component
*next
;
795 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
797 /* Formal argument lists are lists of symbols. */
798 typedef struct gfc_formal_arglist
800 /* Symbol representing the argument at this position in the arglist. */
801 struct gfc_symbol
*sym
;
802 /* Points to the next formal argument. */
803 struct gfc_formal_arglist
*next
;
807 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
810 /* The gfc_actual_arglist structure is for actual arguments. */
811 typedef struct gfc_actual_arglist
814 /* Alternate return label when the expr member is null. */
815 struct gfc_st_label
*label
;
817 /* This is set to the type of an eventual omitted optional
818 argument. This is used to determine if a hidden string length
819 argument has to be added to a function call. */
822 struct gfc_expr
*expr
;
823 struct gfc_actual_arglist
*next
;
827 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
830 /* Because a symbol can belong to multiple namelists, they must be
831 linked externally to the symbol itself. */
832 typedef struct gfc_namelist
834 struct gfc_symbol
*sym
;
835 struct gfc_namelist
*next
;
839 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
844 OMP_LIST_FIRSTPRIVATE
,
845 OMP_LIST_LASTPRIVATE
,
846 OMP_LIST_COPYPRIVATE
,
850 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
862 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
866 /* Because a symbol can belong to multiple namelists, they must be
867 linked externally to the symbol itself. */
868 typedef struct gfc_omp_clauses
870 struct gfc_expr
*if_expr
;
871 struct gfc_expr
*num_threads
;
872 gfc_namelist
*lists
[OMP_LIST_NUM
];
881 struct gfc_expr
*chunk_size
;
889 bool nowait
, ordered
;
893 #define gfc_get_omp_clauses() gfc_getmem(sizeof(gfc_omp_clauses))
896 /* The gfc_st_label structure is a doubly linked list attached to a
897 namespace that records the usage of statement labels within that
899 /* TODO: Make format/statement specifics a union. */
900 typedef struct gfc_st_label
902 BBT_HEADER(gfc_st_label
);
906 gfc_sl_type defined
, referenced
;
908 struct gfc_expr
*format
;
917 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
918 typedef struct gfc_interface
920 struct gfc_symbol
*sym
;
922 struct gfc_interface
*next
;
926 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
929 /* User operator nodes. These are like stripped down symbols. */
934 gfc_interface
*operator;
935 struct gfc_namespace
*ns
;
940 /* Symbol nodes. These are important things. They are what the
941 standard refers to as "entities". The possibly multiple names that
942 refer to the same entity are accomplished by a binary tree of
943 symtree structures that is balanced by the red-black method-- more
944 than one symtree node can point to any given symbol. */
946 typedef struct gfc_symbol
948 const char *name
; /* Primary name, before renaming */
949 const char *module
; /* Module this symbol came from */
953 symbol_attribute attr
;
955 /* The interface member points to the formal argument list if the
956 symbol is a function or subroutine name. If the symbol is a
957 generic name, the generic member points to the list of
960 gfc_interface
*generic
;
961 gfc_access component_access
;
963 gfc_formal_arglist
*formal
;
964 struct gfc_namespace
*formal_ns
;
966 struct gfc_expr
*value
; /* Parameter/Initializer value */
968 struct gfc_symbol
*result
; /* function result symbol */
969 gfc_component
*components
; /* Derived type components */
971 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
973 /* Defined only for Cray pointees; points to their pointer. */
974 struct gfc_symbol
*cp_pointer
;
976 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
978 /* This is in fact a gfc_common_head but it is only used for pointer
979 comparisons to check if symbols are in the same common block. */
980 struct gfc_common_head
* common_head
;
982 /* Make sure setup code for dummy arguments is generated in the correct
988 gfc_namelist
*namelist
, *namelist_tail
;
990 /* Change management fields. Symbols that might be modified by the
991 current statement have the mark member nonzero and are kept in a
992 singly linked list through the tlink field. Of these symbols,
993 symbols with old_symbol equal to NULL are symbols created within
994 the current statement. Otherwise, old_symbol points to a copy of
997 struct gfc_symbol
*old_symbol
, *tlink
;
998 unsigned mark
:1, new:1;
999 /* Nonzero if all equivalences associated with this symbol have been
1001 unsigned equiv_built
:1;
1002 /* Set if this variable is used as an index name in a FORALL. */
1003 unsigned forall_index
:1;
1005 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1009 /* Identity of the intrinsic module the symbol comes from, or
1010 INTMOD_NONE if it's not imported from a intrinsic module. */
1011 intmod_id from_intmod
;
1012 /* Identity of the symbol from intrinsic modules, from enums maintained
1013 separately by each intrinsic module. Used together with from_intmod,
1014 it uniquely identifies a symbol from an intrinsic module. */
1017 /* This may be repetitive, since the typespec now has a binding
1019 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1020 /* Store a reference to the common_block, if this symbol is in one. */
1021 struct gfc_common_head
*common_block
;
1026 /* This structure is used to keep track of symbols in common blocks. */
1027 typedef struct gfc_common_head
1030 char use_assoc
, saved
, threadprivate
;
1031 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1032 struct gfc_symbol
*head
;
1033 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1038 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
1041 /* A list of all the alternate entry points for a procedure. */
1043 typedef struct gfc_entry_list
1045 /* The symbol for this entry point. */
1047 /* The zero-based id of this entry point. */
1049 /* The LABEL_EXPR marking this entry point. */
1051 /* The nest item in the list. */
1052 struct gfc_entry_list
*next
;
1056 #define gfc_get_entry_list() \
1057 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1059 /* Within a namespace, symbols are pointed to by symtree nodes that
1060 are linked together in a balanced binary tree. There can be
1061 several symtrees pointing to the same symbol node via USE
1064 typedef struct gfc_symtree
1066 BBT_HEADER (gfc_symtree
);
1071 gfc_symbol
*sym
; /* Symbol associated with this node */
1073 gfc_common_head
*common
;
1080 /* A linked list of derived types in the namespace. */
1081 typedef struct gfc_dt_list
1083 struct gfc_symbol
*derived
;
1084 struct gfc_dt_list
*next
;
1088 #define gfc_get_dt_list() gfc_getmem(sizeof(gfc_dt_list))
1090 /* A list of all derived types. */
1091 extern gfc_dt_list
*gfc_derived_types
;
1093 /* A namespace describes the contents of procedure, module or
1095 /* ??? Anything else use these? */
1097 typedef struct gfc_namespace
1099 /* Tree containing all the symbols in this namespace. */
1100 gfc_symtree
*sym_root
;
1101 /* Tree containing all the user-defined operators in the namespace. */
1102 gfc_symtree
*uop_root
;
1103 /* Tree containing all the common blocks. */
1104 gfc_symtree
*common_root
;
1106 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1107 int set_flag
[GFC_LETTERS
];
1108 /* Keeps track of the implicit types associated with the letters. */
1109 gfc_typespec default_type
[GFC_LETTERS
];
1111 /* If this is a namespace of a procedure, this points to the procedure. */
1112 struct gfc_symbol
*proc_name
;
1113 /* If this is the namespace of a unit which contains executable
1114 code, this points to it. */
1115 struct gfc_code
*code
;
1117 /* Points to the equivalences set up in this namespace. */
1118 struct gfc_equiv
*equiv
;
1120 /* Points to the equivalence groups produced by trans_common. */
1121 struct gfc_equiv_list
*equiv_lists
;
1123 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
1125 /* Points to the parent namespace, i.e. the namespace of a module or
1126 procedure in which the procedure belonging to this namespace is
1127 contained. The parent namespace points to this namespace either
1128 directly via CONTAINED, or indirectly via the chain built by
1130 struct gfc_namespace
*parent
;
1131 /* CONTAINED points to the first contained namespace. Sibling
1132 namespaces are chained via SIBLING. */
1133 struct gfc_namespace
*contained
, *sibling
;
1135 gfc_common_head blank_common
;
1136 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1138 gfc_st_label
*st_labels
;
1139 /* This list holds information about all the data initializers in
1141 struct gfc_data
*data
;
1143 gfc_charlen
*cl_list
;
1145 int save_all
, seen_save
, seen_implicit_none
;
1147 /* Normally we don't need to refcount namespaces. However when we read
1148 a module containing a function with multiple entry points, this
1149 will appear as several functions with the same formal namespace. */
1152 /* A list of all alternate entry points to this procedure (or NULL). */
1153 gfc_entry_list
*entries
;
1155 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1158 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1163 extern gfc_namespace
*gfc_current_ns
;
1165 /* Global symbols are symbols of global scope. Currently we only use
1166 this to detect collisions already when parsing.
1167 TODO: Extend to verify procedure calls. */
1169 typedef struct gfc_gsymbol
1171 BBT_HEADER(gfc_gsymbol
);
1174 const char *sym_name
;
1175 const char *mod_name
;
1176 const char *binding_label
;
1177 enum { GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1178 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
} type
;
1185 extern gfc_gsymbol
*gfc_gsym_root
;
1187 /* Information on interfaces being built. */
1190 interface_type type
;
1194 gfc_intrinsic_op op
;
1198 extern gfc_interface_info current_interface
;
1201 /* Array reference. */
1202 typedef struct gfc_array_ref
1205 int dimen
; /* # of components in the reference */
1209 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1210 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1211 *stride
[GFC_MAX_DIMENSIONS
];
1214 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
1215 dimen_type
[GFC_MAX_DIMENSIONS
];
1217 struct gfc_expr
*offset
;
1221 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
1224 /* Component reference nodes. A variable is stored as an expression
1225 node that points to the base symbol. After that, a singly linked
1226 list of component reference nodes gives the variable's complete
1227 resolution. The array_ref component may be present and comes
1228 before the component component. */
1231 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1234 typedef struct gfc_ref
1240 struct gfc_array_ref ar
;
1244 gfc_component
*component
;
1251 struct gfc_expr
*start
, *end
; /* Substring */
1252 gfc_charlen
*length
;
1259 struct gfc_ref
*next
;
1263 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
1266 /* Structures representing intrinsic symbols and their arguments lists. */
1267 typedef struct gfc_intrinsic_arg
1269 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1273 gfc_actual_arglist
*actual
;
1275 struct gfc_intrinsic_arg
*next
;
1281 /* Specifies the various kinds of check functions used to verify the
1282 argument lists of intrinsic functions. fX with X an integer refer
1283 to check functions of intrinsics with X arguments. f1m is used for
1284 the MAX and MIN intrinsics which can have an arbitrary number of
1285 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1286 these have special semantics. */
1291 try (*f1
)(struct gfc_expr
*);
1292 try (*f1m
)(gfc_actual_arglist
*);
1293 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1294 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1295 try (*f3ml
)(gfc_actual_arglist
*);
1296 try (*f3red
)(gfc_actual_arglist
*);
1297 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1299 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1300 struct gfc_expr
*, struct gfc_expr
*);
1304 /* Like gfc_check_f, these specify the type of the simplification
1305 function associated with an intrinsic. The fX are just like in
1306 gfc_check_f. cc is used for type conversion functions. */
1310 struct gfc_expr
*(*f0
)(void);
1311 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1312 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1313 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1315 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1316 struct gfc_expr
*, struct gfc_expr
*);
1317 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1318 struct gfc_expr
*, struct gfc_expr
*,
1320 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1324 /* Again like gfc_check_f, these specify the type of the resolution
1325 function associated with an intrinsic. The fX are just like in
1326 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1330 void (*f0
)(struct gfc_expr
*);
1331 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1332 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1333 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1334 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1336 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1337 struct gfc_expr
*, struct gfc_expr
*);
1338 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1339 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1340 void (*s1
)(struct gfc_code
*);
1345 typedef struct gfc_intrinsic_sym
1347 const char *name
, *lib_name
;
1348 gfc_intrinsic_arg
*formal
;
1350 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1351 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1;
1355 gfc_simplify_f simplify
;
1357 gfc_resolve_f resolve
;
1358 struct gfc_intrinsic_sym
*specific_head
, *next
;
1365 /* Expression nodes. The expression node types deserve explanations,
1366 since the last couple can be easily misconstrued:
1368 EXPR_OP Operator node pointing to one or two other nodes
1369 EXPR_FUNCTION Function call, symbol points to function's name
1370 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1371 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1372 which expresses structure, array and substring refs.
1373 EXPR_NULL The NULL pointer value (which also has a basic type).
1374 EXPR_SUBSTRING A substring of a constant string
1375 EXPR_STRUCTURE A structure constructor
1376 EXPR_ARRAY An array constructor. */
1380 #define GFC_RND_MODE GMP_RNDN
1382 typedef struct gfc_expr
1386 gfc_typespec ts
; /* These two refer to the overall expression */
1389 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1391 /* Nonnull for functions and structure constructors */
1392 gfc_symtree
*symtree
;
1398 /* True if the expression is a call to a function that returns an array,
1399 and if we have decided not to allocate temporary data for that array. */
1400 unsigned int inline_noncopying_intrinsic
: 1;
1402 /* Used to quickly find a given constructor by its offset. */
1403 splay_tree con_by_offset
;
1405 /* If an expression comes from a Hollerith constant or compile-time
1406 evaluation of a transfer statement, it may have a prescribed target-
1407 memory representation, and these cannot always be backformed from
1432 gfc_intrinsic_op
operator;
1434 struct gfc_expr
*op1
, *op2
;
1440 gfc_actual_arglist
*actual
;
1441 const char *name
; /* Points to the ultimate name of the function */
1442 gfc_intrinsic_sym
*isym
;
1454 struct gfc_constructor
*constructor
;
1462 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1464 /* Structures for information associated with different kinds of
1465 numbers. The first set of integer parameters define all there is
1466 to know about a particular kind. The rest of the elements are
1467 computed from the first elements. */
1471 /* Values really representable by the target. */
1472 mpz_t huge
, pedantic_min_int
, min_int
;
1474 int kind
, radix
, digits
, bit_size
, range
;
1476 /* True if the C type of the given name maps to this precision.
1477 Note that more than one bit can be set. */
1478 unsigned int c_char
: 1;
1479 unsigned int c_short
: 1;
1480 unsigned int c_int
: 1;
1481 unsigned int c_long
: 1;
1482 unsigned int c_long_long
: 1;
1486 extern gfc_integer_info gfc_integer_kinds
[];
1493 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1494 unsigned int c_bool
: 1;
1498 extern gfc_logical_info gfc_logical_kinds
[];
1503 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1504 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1505 int range
, precision
;
1507 /* The precision of the type as reported by GET_MODE_PRECISION. */
1510 /* True if the C type of the given name maps to this precision.
1511 Note that more than one bit can be set. */
1512 unsigned int c_float
: 1;
1513 unsigned int c_double
: 1;
1514 unsigned int c_long_double
: 1;
1518 extern gfc_real_info gfc_real_kinds
[];
1521 /* Equivalence structures. Equivalent lvalues are linked along the
1522 *eq pointer, equivalence sets are strung along the *next node. */
1523 typedef struct gfc_equiv
1525 struct gfc_equiv
*next
, *eq
;
1532 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1534 /* Holds a single equivalence member after processing. */
1535 typedef struct gfc_equiv_info
1538 HOST_WIDE_INT offset
;
1539 HOST_WIDE_INT length
;
1540 struct gfc_equiv_info
*next
;
1543 /* Holds equivalence groups, after they have been processed. */
1544 typedef struct gfc_equiv_list
1546 gfc_equiv_info
*equiv
;
1547 struct gfc_equiv_list
*next
;
1550 /* gfc_case stores the selector list of a case statement. The *low
1551 and *high pointers can point to the same expression in the case of
1552 a single value. If *high is NULL, the selection is from *low
1553 upwards, if *low is NULL the selection is *high downwards.
1555 This structure has separate fields to allow single and double linked
1556 lists of CASEs at the same time. The singe linked list along the NEXT
1557 field is a list of cases for a single CASE label. The double linked
1558 list along the LEFT/RIGHT fields is used to detect overlap and to
1559 build a table of the cases for SELECT constructs with a CHARACTER
1562 typedef struct gfc_case
1564 /* Where we saw this case. */
1568 /* Case range values. If (low == high), it's a single value. If one of
1569 the labels is NULL, it's an unbounded case. If both are NULL, this
1570 represents the default case. */
1571 gfc_expr
*low
, *high
;
1573 /* Next case label in the list of cases for a single CASE label. */
1574 struct gfc_case
*next
;
1576 /* Used for detecting overlap, and for code generation. */
1577 struct gfc_case
*left
, *right
;
1579 /* True if this case label can never be matched. */
1584 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1589 gfc_expr
*var
, *start
, *end
, *step
;
1593 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1596 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1598 typedef struct gfc_alloc
1601 struct gfc_alloc
*next
;
1605 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1610 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1611 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
;
1619 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1627 gfc_expr
*unit
, *iostat
, *iomsg
;
1635 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1636 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1637 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1638 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
;
1648 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
;
1650 gfc_symbol
*namelist
;
1651 /* A format_label of `format_asterisk' indicates the "*" format */
1652 gfc_st_label
*format_label
;
1653 gfc_st_label
*err
, *end
, *eor
;
1655 locus eor_where
, end_where
, err_where
;
1660 typedef struct gfc_forall_iterator
1662 gfc_expr
*var
, *start
, *end
, *stride
;
1663 struct gfc_forall_iterator
*next
;
1665 gfc_forall_iterator
;
1668 /* Executable statements that fill gfc_code structures. */
1671 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1672 EXEC_GOTO
, EXEC_CALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
, EXEC_ENTRY
,
1673 EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
1674 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1675 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1676 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1677 EXEC_OPEN
, EXEC_CLOSE
,
1678 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1679 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
1680 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
1681 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
1682 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
1683 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
1684 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
1689 typedef struct gfc_code
1693 struct gfc_code
*block
, *next
;
1696 gfc_st_label
*here
, *label
, *label2
, *label3
;
1697 gfc_symtree
*symtree
;
1698 gfc_expr
*expr
, *expr2
;
1699 /* A name isn't sufficient to identify a subroutine, we need the actual
1700 symbol for the interface definition.
1701 const char *sub_name; */
1702 gfc_symbol
*resolved_sym
;
1706 gfc_actual_arglist
*actual
;
1707 gfc_case
*case_list
;
1708 gfc_iterator
*iterator
;
1709 gfc_alloc
*alloc_list
;
1712 gfc_filepos
*filepos
;
1713 gfc_inquire
*inquire
;
1715 gfc_forall_iterator
*forall_iterator
;
1716 struct gfc_code
*whichloop
;
1718 gfc_entry_list
*entry
;
1719 gfc_omp_clauses
*omp_clauses
;
1720 const char *omp_name
;
1721 gfc_namelist
*omp_namelist
;
1724 ext
; /* Points to additional structures required by statement */
1726 /* Backend_decl is used for cycle and break labels in do loops, and
1727 probably for other constructs as well, once we translate them. */
1733 /* Storage for DATA statements. */
1734 typedef struct gfc_data_variable
1738 struct gfc_data_variable
*list
, *next
;
1743 typedef struct gfc_data_value
1745 unsigned int repeat
;
1747 struct gfc_data_value
*next
;
1752 typedef struct gfc_data
1754 gfc_data_variable
*var
;
1755 gfc_data_value
*value
;
1758 struct gfc_data
*next
;
1762 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1763 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1764 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1767 /* Structure for holding compile options */
1771 gfc_source_form source_form
;
1772 /* Maximum line lengths in fixed- and free-form source, respectively.
1773 When fixed_line_length or free_line_length are 0, the whole line is used,
1774 regardless of length.
1776 If the user requests a fixed_line_length <7 then gfc_init_options()
1777 emits a fatal error. */
1778 int fixed_line_length
;
1779 int free_line_length
;
1780 /* Maximum number of continuation lines in fixed- and free-form source,
1782 int max_continue_fixed
;
1783 int max_continue_free
;
1784 int max_identifier_length
;
1789 int warn_conversion
;
1790 int warn_implicit_interface
;
1791 int warn_line_truncation
;
1792 int warn_surprising
;
1795 int warn_character_truncation
;
1798 int flag_all_intrinsics
;
1799 int flag_default_double
;
1800 int flag_default_integer
;
1801 int flag_default_real
;
1803 int flag_underscoring
;
1804 int flag_second_underscore
;
1805 int flag_implicit_none
;
1806 int flag_max_stack_var_size
;
1807 int flag_range_check
;
1808 int flag_pack_derived
;
1809 int flag_repack_arrays
;
1810 int flag_preprocessed
;
1815 int flag_allow_leading_underscore
;
1817 int flag_external_blas
;
1818 int blas_matmul_limit
;
1819 int flag_cray_pointer
;
1823 int flag_module_private
;
1830 int warn_nonstd_intrinsics
;
1834 int max_subrecord_length
;
1838 extern gfc_option_t gfc_option
;
1840 /* Constructor nodes for array and structure constructors. */
1841 typedef struct gfc_constructor
1844 gfc_iterator
*iterator
;
1846 struct gfc_constructor
*next
;
1849 mpz_t offset
; /* Record the offset of array element which appears in
1850 data statement like "data a(5)/4/". */
1851 gfc_component
*component
; /* Record the component being initialized. */
1854 mpz_t repeat
; /* Record the repeat number of initial values in data
1855 statement like "data a/5*10/". */
1860 typedef struct iterator_stack
1862 gfc_symtree
*variable
;
1864 struct iterator_stack
*prev
;
1867 extern iterator_stack
*iter_stack
;
1869 /************************ Function prototypes *************************/
1872 void gfc_formalize_init_value (gfc_symbol
*);
1873 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1874 try gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1875 void gfc_assign_data_value_range (gfc_expr
*, gfc_expr
*, mpz_t
, mpz_t
);
1876 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1879 bool gfc_in_match_data (void);
1880 void gfc_set_in_match_data (bool);
1883 void gfc_scanner_done_1 (void);
1884 void gfc_scanner_init_1 (void);
1886 void gfc_add_include_path (const char *, bool);
1887 void gfc_add_intrinsic_modules_path (const char *);
1888 void gfc_release_include_path (void);
1889 FILE *gfc_open_included_file (const char *, bool, bool);
1890 FILE *gfc_open_intrinsic_module (const char *);
1892 int gfc_at_end (void);
1893 int gfc_at_eof (void);
1894 int gfc_at_bol (void);
1895 int gfc_at_eol (void);
1896 void gfc_advance_line (void);
1897 int gfc_check_include (void);
1899 void gfc_skip_comments (void);
1900 int gfc_next_char_literal (int);
1901 int gfc_next_char (void);
1902 int gfc_peek_char (void);
1903 void gfc_error_recovery (void);
1904 void gfc_gobble_whitespace (void);
1905 try gfc_new_file (void);
1906 const char * gfc_read_orig_filename (const char *, const char **);
1908 extern gfc_source_form gfc_current_form
;
1909 extern const char *gfc_source_file
;
1910 extern locus gfc_current_locus
;
1913 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1914 void gfc_free (void *);
1915 int gfc_terminal_width (void);
1916 void gfc_clear_ts (gfc_typespec
*);
1917 FILE *gfc_open_file (const char *);
1918 const char *gfc_basic_typename (bt
);
1919 const char *gfc_typename (gfc_typespec
*);
1920 const char *gfc_op2string (gfc_intrinsic_op
);
1921 const char *gfc_code2string (const mstring
*, int);
1922 int gfc_string2code (const mstring
*, const char *);
1923 const char *gfc_intent_string (sym_intent
);
1925 void gfc_init_1 (void);
1926 void gfc_init_2 (void);
1927 void gfc_done_1 (void);
1928 void gfc_done_2 (void);
1930 int get_c_kind (const char *, CInteropKind_t
*);
1933 unsigned int gfc_init_options (unsigned int, const char **);
1934 int gfc_handle_option (size_t, const char *, int);
1935 bool gfc_post_options (const char **);
1938 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1942 typedef struct gfc_error_buf
1945 size_t allocated
, index
;
1949 void gfc_error_init_1 (void);
1950 void gfc_buffer_error (int);
1952 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1953 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1954 void gfc_clear_warning (void);
1955 void gfc_warning_check (void);
1957 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1958 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1959 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1960 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1961 void gfc_clear_error (void);
1962 int gfc_error_check (void);
1963 int gfc_error_flag_test (void);
1965 notification
gfc_notification_std (int);
1966 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1968 /* A general purpose syntax error. */
1969 #define gfc_syntax_error(ST) \
1970 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1972 void gfc_push_error (gfc_error_buf
*);
1973 void gfc_pop_error (gfc_error_buf
*);
1974 void gfc_free_error (gfc_error_buf
*);
1976 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1977 void gfc_status_char (char);
1979 void gfc_get_errors (int *, int *);
1982 void gfc_arith_init_1 (void);
1983 void gfc_arith_done_1 (void);
1984 gfc_expr
*gfc_enum_initializer (gfc_expr
*, locus
);
1985 arith
gfc_check_integer_range (mpz_t p
, int kind
);
1988 try gfc_validate_c_kind (gfc_typespec
*);
1989 try gfc_check_any_c_kind (gfc_typespec
*);
1990 int gfc_validate_kind (bt
, int, bool);
1991 extern int gfc_index_integer_kind
;
1992 extern int gfc_default_integer_kind
;
1993 extern int gfc_max_integer_kind
;
1994 extern int gfc_default_real_kind
;
1995 extern int gfc_default_double_kind
;
1996 extern int gfc_default_character_kind
;
1997 extern int gfc_default_logical_kind
;
1998 extern int gfc_default_complex_kind
;
1999 extern int gfc_c_int_kind
;
2000 extern int gfc_intio_kind
;
2001 extern int gfc_charlen_int_kind
;
2002 extern int gfc_numeric_storage_size
;
2003 extern int gfc_character_storage_size
;
2006 void gfc_clear_new_implicit (void);
2007 try gfc_add_new_implicit_range (int, int);
2008 try gfc_merge_new_implicit (gfc_typespec
*);
2009 void gfc_set_implicit_none (void);
2010 void gfc_check_function_type (gfc_namespace
*);
2011 bool gfc_is_intrinsic_typename (const char *);
2013 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
2014 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2016 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
2017 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
2019 void gfc_set_sym_referenced (gfc_symbol
*);
2021 try gfc_add_attribute (symbol_attribute
*, locus
*);
2022 try gfc_add_allocatable (symbol_attribute
*, locus
*);
2023 try gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2024 try gfc_add_external (symbol_attribute
*, locus
*);
2025 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
2026 try gfc_add_optional (symbol_attribute
*, locus
*);
2027 try gfc_add_pointer (symbol_attribute
*, locus
*);
2028 try gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2029 try gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2030 try gfc_mod_pointee_as (gfc_array_spec
*);
2031 try gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2032 try gfc_add_result (symbol_attribute
*, const char *, locus
*);
2033 try gfc_add_save (symbol_attribute
*, const char *, locus
*);
2034 try gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2035 try gfc_add_saved_common (symbol_attribute
*, locus
*);
2036 try gfc_add_target (symbol_attribute
*, locus
*);
2037 try gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2038 try gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2039 try gfc_add_common (symbol_attribute
*, locus
*);
2040 try gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2041 try gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2042 try gfc_add_data (symbol_attribute
*, const char *, locus
*);
2043 try gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2044 try gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2045 try gfc_add_elemental (symbol_attribute
*, locus
*);
2046 try gfc_add_pure (symbol_attribute
*, locus
*);
2047 try gfc_add_recursive (symbol_attribute
*, locus
*);
2048 try gfc_add_function (symbol_attribute
*, const char *, locus
*);
2049 try gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2050 try gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2051 try gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2053 try gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2054 try gfc_add_is_bind_c(symbol_attribute
*, const char *, locus
*, int);
2055 try gfc_add_value (symbol_attribute
*, const char *, locus
*);
2056 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2057 try gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2058 try gfc_add_procedure (symbol_attribute
*, procedure_type
,
2059 const char *, locus
*);
2060 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2061 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2062 gfc_formal_arglist
*, locus
*);
2063 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2065 void gfc_clear_attr (symbol_attribute
*);
2066 try gfc_missing_attr (symbol_attribute
*, locus
*);
2067 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2069 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2070 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2071 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2072 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
2074 gfc_st_label
*gfc_get_st_label (int);
2075 void gfc_free_st_label (gfc_st_label
*);
2076 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2077 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2079 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2081 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2082 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2083 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2084 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2085 gfc_user_op
*gfc_get_uop (const char *);
2086 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2087 void gfc_free_symbol (gfc_symbol
*);
2088 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2089 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2090 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2091 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2092 try verify_c_interop (gfc_typespec
*, const char *name
, locus
*where
);
2093 try verify_c_interop_param (gfc_symbol
*);
2094 try verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2095 try verify_bind_c_derived_type (gfc_symbol
*);
2096 try verify_com_block_vars_c_interop (gfc_common_head
*);
2097 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2098 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, char *, int);
2099 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
2100 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2101 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2103 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
2105 void gfc_undo_symbols (void);
2106 void gfc_commit_symbols (void);
2107 void gfc_commit_symbol (gfc_symbol
*);
2108 void gfc_free_namespace (gfc_namespace
*);
2110 void gfc_symbol_init_2 (void);
2111 void gfc_symbol_done_2 (void);
2113 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2114 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2115 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2116 void gfc_save_all (gfc_namespace
*);
2118 void gfc_symbol_state (void);
2120 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2121 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2123 void copy_formal_args (gfc_symbol
*dest
, gfc_symbol
*src
);
2126 extern int gfc_init_expr
;
2128 /* Given a symbol that we have decided is intrinsic, mark it as such
2129 by placing it into a special module that is otherwise impossible to
2132 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2134 void gfc_intrinsic_init_1 (void);
2135 void gfc_intrinsic_done_1 (void);
2137 char gfc_type_letter (bt
);
2138 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2139 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2140 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2141 int gfc_generic_intrinsic (const char *);
2142 int gfc_specific_intrinsic (const char *);
2143 int gfc_intrinsic_name (const char *, int);
2144 int gfc_intrinsic_actual_ok (const char *, const bool);
2145 gfc_intrinsic_sym
*gfc_find_function (const char *);
2146 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2148 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2149 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2151 /* match.c -- FIXME */
2152 void gfc_free_iterator (gfc_iterator
*, int);
2153 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2154 void gfc_free_alloc_list (gfc_alloc
*);
2155 void gfc_free_namelist (gfc_namelist
*);
2156 void gfc_free_equiv (gfc_equiv
*);
2157 void gfc_free_data (gfc_data
*);
2158 void gfc_free_case_list (gfc_case
*);
2160 /* matchexp.c -- FIXME too? */
2161 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2164 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2165 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2166 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2167 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2168 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2171 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2172 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2173 const char *gfc_extract_int (gfc_expr
*, int *);
2174 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2176 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2177 void gfc_free_ref_list (gfc_ref
*);
2178 void gfc_type_convert_binary (gfc_expr
*);
2179 int gfc_is_constant_expr (gfc_expr
*);
2180 try gfc_simplify_expr (gfc_expr
*, int);
2181 int gfc_has_vector_index (gfc_expr
*);
2183 gfc_expr
*gfc_get_expr (void);
2184 void gfc_free_expr (gfc_expr
*);
2185 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2186 gfc_expr
*gfc_int_expr (int);
2187 gfc_expr
*gfc_logical_expr (int, locus
*);
2188 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2189 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2190 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2192 try gfc_specification_expr (gfc_expr
*);
2194 int gfc_numeric_ts (gfc_typespec
*);
2195 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2197 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
2198 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2199 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2200 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2202 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2203 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2205 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2208 extern gfc_code new_st
;
2210 void gfc_clear_new_st (void);
2211 gfc_code
*gfc_get_code (void);
2212 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2213 void gfc_free_statement (gfc_code
*);
2214 void gfc_free_statements (gfc_code
*);
2217 try gfc_resolve_expr (gfc_expr
*);
2218 void gfc_resolve (gfc_namespace
*);
2219 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2220 int gfc_impure_variable (gfc_symbol
*);
2221 int gfc_pure (gfc_symbol
*);
2222 int gfc_elemental (gfc_symbol
*);
2223 try gfc_resolve_iterator (gfc_iterator
*, bool);
2224 try gfc_resolve_index (gfc_expr
*, int);
2225 try gfc_resolve_dim_arg (gfc_expr
*);
2226 int gfc_is_formal_arg (void);
2227 void gfc_resolve_substring_charlen (gfc_expr
*);
2228 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2232 void gfc_free_array_spec (gfc_array_spec
*);
2233 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2235 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2236 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2237 try gfc_resolve_array_spec (gfc_array_spec
*, int);
2239 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2241 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
2242 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
2243 void gfc_free_constructor (gfc_constructor
*);
2244 void gfc_simplify_iterator_var (gfc_expr
*);
2245 try gfc_expand_constructor (gfc_expr
*);
2246 int gfc_constant_ac (gfc_expr
*);
2247 int gfc_expanded_ac (gfc_expr
*);
2248 void gfc_resolve_character_array_constructor (gfc_expr
*);
2249 try gfc_resolve_array_constructor (gfc_expr
*);
2250 try gfc_check_constructor_type (gfc_expr
*);
2251 try gfc_check_iter_variable (gfc_expr
*);
2252 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
2253 gfc_constructor
*gfc_copy_constructor (gfc_constructor
*);
2254 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
2255 try gfc_array_size (gfc_expr
*, mpz_t
*);
2256 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2257 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2258 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2259 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
2260 gfc_constructor
*gfc_get_constructor (void);
2261 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2262 try spec_size (gfc_array_spec
*, mpz_t
*);
2263 try spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2264 int gfc_is_compile_time_shape (gfc_array_spec
*);
2266 /* interface.c -- FIXME: some of these should be in symbol.c */
2267 void gfc_free_interface (gfc_interface
*);
2268 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2269 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2270 void gfc_check_interfaces (gfc_namespace
*);
2271 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2272 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2273 gfc_actual_arglist
**);
2274 try gfc_extend_expr (gfc_expr
*);
2275 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2276 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2277 try gfc_add_interface (gfc_symbol
*);
2280 extern gfc_st_label format_asterisk
;
2282 void gfc_free_open (gfc_open
*);
2283 try gfc_resolve_open (gfc_open
*);
2284 void gfc_free_close (gfc_close
*);
2285 try gfc_resolve_close (gfc_close
*);
2286 void gfc_free_filepos (gfc_filepos
*);
2287 try gfc_resolve_filepos (gfc_filepos
*);
2288 void gfc_free_inquire (gfc_inquire
*);
2289 try gfc_resolve_inquire (gfc_inquire
*);
2290 void gfc_free_dt (gfc_dt
*);
2291 try gfc_resolve_dt (gfc_dt
*);
2294 void gfc_module_init_2 (void);
2295 void gfc_module_done_2 (void);
2296 void gfc_dump_module (const char *, int);
2297 bool gfc_check_access (gfc_access
, gfc_access
);
2300 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2301 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2302 match
gfc_match_rvalue (gfc_expr
**);
2305 void gfc_generate_code (gfc_namespace
*);
2306 void gfc_generate_module_code (gfc_namespace
*);
2309 typedef int (*compare_fn
) (void *, void *);
2310 void gfc_insert_bbt (void *, void *, compare_fn
);
2311 void gfc_delete_bbt (void *, void *, compare_fn
);
2313 /* dump-parse-tree.c */
2314 void gfc_show_actual_arglist (gfc_actual_arglist
*);
2315 void gfc_show_array_ref (gfc_array_ref
*);
2316 void gfc_show_array_spec (gfc_array_spec
*);
2317 void gfc_show_attr (symbol_attribute
*);
2318 void gfc_show_code (int, gfc_code
*);
2319 void gfc_show_components (gfc_symbol
*);
2320 void gfc_show_constructor (gfc_constructor
*);
2321 void gfc_show_equiv (gfc_equiv
*);
2322 void gfc_show_expr (gfc_expr
*);
2323 void gfc_show_namelist (gfc_namelist
*);
2324 void gfc_show_namespace (gfc_namespace
*);
2325 void gfc_show_ref (gfc_ref
*);
2326 void gfc_show_symbol (gfc_symbol
*);
2327 void gfc_show_typespec (gfc_typespec
*);
2330 try gfc_parse_file (void);
2331 void global_used (gfc_gsymbol
*, locus
*);
2334 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2336 #endif /* GCC_GFORTRAN_H */