1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
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 2, 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 COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
23 #ifndef GCC_GFORTRAN_H
24 #define GCC_GFORTRAN_H
26 /* It's probably insane to have this large of a header file, but it
27 seemed like everything had to be recompiled anyway when a change
28 was made to a header file, and there were ordering issues with
29 multiple header files. Besides, Microsoft's winnt.h was 250k last
30 time I looked, so by comparison this is perfectly reasonable. */
34 #include "coretypes.h"
37 /* The following ifdefs are recommended by the autoconf documentation
38 for any code using alloca. */
40 /* AIX requires this to be the first thing in the file. */
42 #else /* not __GNUC__ */
45 #else /* do not HAVE_ALLOCA_H */
49 #ifndef alloca /* predefined by HP cc +Olibcalls */
51 #endif /* not predefined */
53 #endif /* do not HAVE_ALLOCA_H */
54 #endif /* not __GNUC__ */
56 /* Major control parameters. */
58 #define GFC_MAX_SYMBOL_LEN 63
59 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
60 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
61 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
63 #define free(x) Use_gfc_free_instead_of_free()
64 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
67 #define NULL ((void *) 0)
71 #define stringize(x) expand_macro(x)
72 #define expand_macro(x) # x
74 /* For a the runtime library, a standard prefix is a requirement to
75 avoid cluttering the namespace with things nobody asked for. It's
76 ugly to look at and a pain to type when you add the prefix by hand,
77 so we hide it behind a macro. */
78 #define PREFIX(x) "_gfortran_" x
81 #define BLANK_COMMON_NAME "__BLNK__"
83 /* Macro to initialize an mstring structure. */
84 #define minit(s, t) { s, NULL, t }
86 /* Structure for storing strings to be matched by gfc_match_string. */
96 /* Flags to specify which standard/extension contains a feature. */
97 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
98 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
99 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
100 /* Note that no features were obsoleted nor deleted in F2003. */
101 #define GFC_STD_F95 (1<<3) /* New in F95. */
102 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
103 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
104 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
106 /* Bitmasks for the various FPE that can be enabled. */
107 #define GFC_FPE_INVALID (1<<0)
108 #define GFC_FPE_DENORMAL (1<<1)
109 #define GFC_FPE_ZERO (1<<2)
110 #define GFC_FPE_OVERFLOW (1<<3)
111 #define GFC_FPE_UNDERFLOW (1<<4)
112 #define GFC_FPE_PRECISION (1<<5)
114 /* Keep this in sync with libgfortran/io/io.h ! */
117 { CONVERT_NATIVE
=0, CONVERT_SWAP
, CONVERT_BIG
, CONVERT_LITTLE
}
121 /*************************** Enums *****************************/
123 /* The author remains confused to this day about the convention of
124 returning '0' for 'SUCCESS'... or was it the other way around? The
125 following enum makes things much more readable. We also start
126 values off at one instead of zero. */
129 { SUCCESS
= 1, FAILURE
}
132 /* Matchers return one of these three values. The difference between
133 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
134 successful, but that something non-syntactic is wrong and an error
135 has already been issued. */
138 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
142 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
146 { BT_UNKNOWN
= 1, BT_INTEGER
, BT_REAL
, BT_COMPLEX
,
147 BT_LOGICAL
, BT_CHARACTER
, BT_DERIVED
, BT_PROCEDURE
, BT_HOLLERITH
151 /* Expression node types. */
153 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
154 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
160 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
161 AS_ASSUMED_SIZE
, AS_UNKNOWN
166 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
169 /* Statement label types. */
171 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
172 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
176 /* Intrinsic operators. */
178 { GFC_INTRINSIC_BEGIN
= 0,
179 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
180 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
181 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
182 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
183 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
184 INTRINSIC_LT
, INTRINSIC_LE
, INTRINSIC_NOT
, INTRINSIC_USER
,
185 INTRINSIC_ASSIGN
, INTRINSIC_PARENTHESES
,
186 GFC_INTRINSIC_END
/* Sentinel */
191 /* Strings for all intrinsic operators. */
192 extern mstring intrinsic_operators
[];
195 /* This macro is the number of intrinsic operators that exist.
196 Assumptions are made about the numbering of the interface_op enums. */
197 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
199 /* Arithmetic results. */
201 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
202 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
209 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_BACKSPACE
, ST_BLOCK_DATA
,
210 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
211 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
212 ST_ELSEWHERE
, ST_END_BLOCK_DATA
, ST_ENDDO
, ST_IMPLIED_ENDDO
,
213 ST_END_FILE
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
214 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
215 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
216 ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
, ST_GOTO
,
217 ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_INQUIRE
, ST_INTERFACE
,
218 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
219 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
220 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WRITE
,
221 ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
222 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
223 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
,
224 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_CRITICAL
,
225 ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
, ST_OMP_END_PARALLEL
,
226 ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
227 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
228 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
229 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
230 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
231 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
,
237 /* Types of interfaces that we can have. Assignment interfaces are
238 considered to be intrinsic operators. */
241 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
242 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
246 /* Symbol flavors: these are all mutually exclusive.
247 10 elements = 4 bits. */
248 typedef enum sym_flavor
250 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
251 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
255 /* Procedure types. 7 elements = 3 bits. */
256 typedef enum procedure_type
257 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
258 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
263 typedef enum sym_intent
264 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
269 typedef enum gfc_access
270 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
274 /* Flags to keep track of where an interface came from.
275 4 elements = 2 bits. */
277 { IFSRC_UNKNOWN
= 0, IFSRC_DECL
, IFSRC_IFBODY
, IFSRC_USAGE
281 /* Strings for all symbol attributes. We use these for dumping the
282 parse tree, in error messages, and also when reading and writing
283 modules. In symbol.c. */
284 extern const mstring flavors
[];
285 extern const mstring procedures
[];
286 extern const mstring intents
[];
287 extern const mstring access_types
[];
288 extern const mstring ifsrc_types
[];
290 /* Enumeration of all the generic intrinsic functions. Used by the
291 backend for identification of a function. */
293 enum gfc_generic_isym_id
295 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
296 the backend (eg. KIND). */
328 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
338 GFC_ISYM_DOT_PRODUCT
,
418 GFC_ISYM_SET_EXPONENT
,
450 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
452 /************************* Structures *****************************/
454 /* Used for keeping things in balanced binary trees. */
455 #define BBT_HEADER(self) int priority; struct self *left, *right
457 /* Symbol attribute structure. */
460 /* Variable attributes. */
461 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
462 optional
:1, pointer
:1, save
:1, target
:1,
463 dummy
:1, result
:1, assign
:1, threadprivate
:1;
465 unsigned data
:1, /* Symbol is named in a DATA statement. */
466 use_assoc
:1; /* Symbol has been use-associated. */
468 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
469 unsigned function
:1, subroutine
:1, generic
:1;
470 unsigned implicit_type
:1; /* Type defined via implicit rules. */
471 unsigned untyped
:1; /* No implicit type could be found. */
473 /* Function/subroutine attributes */
474 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
475 unsigned unmaskable
:1, masked
:1, contained
:1;
477 /* This is set if the subroutine doesn't return. Currently, this
478 is only possible for intrinsic subroutines. */
481 /* Set if this procedure is an alternate entry point. These procedures
482 don't have any code associated, and the backend will turn them into
483 thunks to the master function. */
486 /* Set if this is the master function for a procedure with multiple
488 unsigned entry_master
:1;
490 /* Set if this is the master function for a function with multiple
491 entry points where characteristics of the entry points differ. */
492 unsigned mixed_entry_master
:1;
494 /* Set if a function must always be referenced by an explicit interface. */
495 unsigned always_explicit
:1;
497 /* Set if the symbol has been referenced in an expression. No further
498 modification of type or type parameters is permitted. */
499 unsigned referenced
:1;
501 /* Set if the is the symbol for the main program. This is the least
502 cumbersome way to communicate this function property without
503 strcmp'ing with __MAIN everywhere. */
504 unsigned is_main_program
:1;
506 /* Mutually exclusive multibit attributes. */
507 ENUM_BITFIELD (gfc_access
) access
:2;
508 ENUM_BITFIELD (sym_intent
) intent
:2;
509 ENUM_BITFIELD (sym_flavor
) flavor
:4;
510 ENUM_BITFIELD (ifsrc
) if_source
:2;
512 ENUM_BITFIELD (procedure_type
) proc
:3;
514 /* Special attributes for Cray pointers, pointees. */
515 unsigned cray_pointer
:1, cray_pointee
:1;
521 /* The following three structures are used to identify a location in
524 gfc_file is used to maintain a tree of the source files and how
525 they include each other
527 gfc_linebuf holds a single line of source code and information
528 which file it resides in
530 locus point to the sourceline and the character in the source
534 typedef struct gfc_file
536 struct gfc_file
*included_by
, *next
, *up
;
537 int inclusion_line
, line
;
541 typedef struct gfc_linebuf
543 #ifdef USE_MAPPED_LOCATION
544 source_location location
;
548 struct gfc_file
*file
;
549 struct gfc_linebuf
*next
;
556 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
564 /* In order for the "gfc" format checking to work correctly, you must
565 have declared a typedef locus first. */
566 #if GCC_VERSION >= 4001
567 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
569 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
573 extern int gfc_suppress_error
;
576 /* Character length structures hold the expression that gives the
577 length of a character variable. We avoid putting these into
578 gfc_typespec because doing so prevents us from doing structure
579 copies and forces us to deallocate any typespecs we create, as well
580 as structures that contain typespecs. They also can have multiple
581 character typespecs pointing to them.
583 These structures form a singly linked list within the current
584 namespace and are deallocated with the namespace. It is possible to
585 end up with gfc_charlen structures that have nothing pointing to them. */
587 typedef struct gfc_charlen
589 struct gfc_expr
*length
;
590 struct gfc_charlen
*next
;
597 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
599 /* Type specification structure. FIXME: derived and cl could be union??? */
604 struct gfc_symbol
*derived
;
605 gfc_charlen
*cl
; /* For character types only. */
609 /* Array specification. */
612 int rank
; /* A rank of zero means that a variable is a scalar. */
614 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
616 /* These two fields are used with the Cray Pointer extension. */
617 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
618 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
619 AS_EXPLICIT, but we want to remember that we
625 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
628 /* Components of derived types. */
629 typedef struct gfc_component
634 int pointer
, dimension
;
639 struct gfc_expr
*initializer
;
640 struct gfc_component
*next
;
644 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
646 /* Formal argument lists are lists of symbols. */
647 typedef struct gfc_formal_arglist
649 /* Symbol representing the argument at this position in the arglist. */
650 struct gfc_symbol
*sym
;
651 /* Points to the next formal argument. */
652 struct gfc_formal_arglist
*next
;
656 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
659 /* The gfc_actual_arglist structure is for actual arguments. */
660 typedef struct gfc_actual_arglist
663 /* Alternate return label when the expr member is null. */
664 struct gfc_st_label
*label
;
666 /* This is set to the type of an eventual omitted optional
667 argument. This is used to determine if a hidden string length
668 argument has to be added to a function call. */
671 struct gfc_expr
*expr
;
672 struct gfc_actual_arglist
*next
;
676 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
679 /* Because a symbol can belong to multiple namelists, they must be
680 linked externally to the symbol itself. */
681 typedef struct gfc_namelist
683 struct gfc_symbol
*sym
;
684 struct gfc_namelist
*next
;
688 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
693 OMP_LIST_FIRSTPRIVATE
,
694 OMP_LIST_LASTPRIVATE
,
695 OMP_LIST_COPYPRIVATE
,
699 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
711 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
715 /* Because a symbol can belong to multiple namelists, they must be
716 linked externally to the symbol itself. */
717 typedef struct gfc_omp_clauses
719 struct gfc_expr
*if_expr
;
720 struct gfc_expr
*num_threads
;
721 gfc_namelist
*lists
[OMP_LIST_NUM
];
730 struct gfc_expr
*chunk_size
;
738 bool nowait
, ordered
;
742 #define gfc_get_omp_clauses() gfc_getmem(sizeof(gfc_omp_clauses))
745 /* The gfc_st_label structure is a doubly linked list attached to a
746 namespace that records the usage of statement labels within that
748 /* TODO: Make format/statement specifics a union. */
749 typedef struct gfc_st_label
751 BBT_HEADER(gfc_st_label
);
755 gfc_sl_type defined
, referenced
;
757 struct gfc_expr
*format
;
766 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
767 typedef struct gfc_interface
769 struct gfc_symbol
*sym
;
771 struct gfc_interface
*next
;
775 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
778 /* User operator nodes. These are like stripped down symbols. */
783 gfc_interface
*operator;
784 struct gfc_namespace
*ns
;
789 /* Symbol nodes. These are important things. They are what the
790 standard refers to as "entities". The possibly multiple names that
791 refer to the same entity are accomplished by a binary tree of
792 symtree structures that is balanced by the red-black method-- more
793 than one symtree node can point to any given symbol. */
795 typedef struct gfc_symbol
797 const char *name
; /* Primary name, before renaming */
798 const char *module
; /* Module this symbol came from */
802 symbol_attribute attr
;
804 /* The interface member points to the formal argument list if the
805 symbol is a function or subroutine name. If the symbol is a
806 generic name, the generic member points to the list of
809 gfc_interface
*generic
;
810 gfc_access component_access
;
812 gfc_formal_arglist
*formal
;
813 struct gfc_namespace
*formal_ns
;
815 struct gfc_expr
*value
; /* Parameter/Initializer value */
817 struct gfc_symbol
*result
; /* function result symbol */
818 gfc_component
*components
; /* Derived type components */
820 /* Defined only for Cray pointees; points to their pointer. */
821 struct gfc_symbol
*cp_pointer
;
823 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
825 /* This is in fact a gfc_common_head but it is only used for pointer
826 comparisons to check if symbols are in the same common block. */
827 struct gfc_common_head
* common_head
;
829 /* Make sure setup code for dummy arguments is generated in the correct
833 gfc_namelist
*namelist
, *namelist_tail
;
835 /* Change management fields. Symbols that might be modified by the
836 current statement have the mark member nonzero and are kept in a
837 singly linked list through the tlink field. Of these symbols,
838 symbols with old_symbol equal to NULL are symbols created within
839 the current statement. Otherwise, old_symbol points to a copy of
842 struct gfc_symbol
*old_symbol
, *tlink
;
843 unsigned mark
:1, new:1;
844 /* Nonzero if all equivalences associated with this symbol have been
846 unsigned equiv_built
:1;
848 struct gfc_namespace
*ns
; /* namespace containing this symbol */
855 /* This structure is used to keep track of symbols in common blocks. */
857 typedef struct gfc_common_head
860 char use_assoc
, saved
, threadprivate
;
861 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
862 struct gfc_symbol
*head
;
866 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
869 /* A list of all the alternate entry points for a procedure. */
871 typedef struct gfc_entry_list
873 /* The symbol for this entry point. */
875 /* The zero-based id of this entry point. */
877 /* The LABEL_EXPR marking this entry point. */
879 /* The nest item in the list. */
880 struct gfc_entry_list
*next
;
884 #define gfc_get_entry_list() \
885 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
887 /* Within a namespace, symbols are pointed to by symtree nodes that
888 are linked together in a balanced binary tree. There can be
889 several symtrees pointing to the same symbol node via USE
892 typedef struct gfc_symtree
894 BBT_HEADER (gfc_symtree
);
899 gfc_symbol
*sym
; /* Symbol associated with this node */
901 gfc_common_head
*common
;
908 /* A linked list of derived types in the namespace. */
909 typedef struct gfc_dt_list
911 struct gfc_symbol
*derived
;
912 struct gfc_dt_list
*next
;
916 #define gfc_get_dt_list() gfc_getmem(sizeof(gfc_dt_list))
919 /* A namespace describes the contents of procedure, module or
921 /* ??? Anything else use these? */
923 typedef struct gfc_namespace
925 /* Tree containing all the symbols in this namespace. */
926 gfc_symtree
*sym_root
;
927 /* Tree containing all the user-defined operators in the namespace. */
928 gfc_symtree
*uop_root
;
929 /* Tree containing all the common blocks. */
930 gfc_symtree
*common_root
;
932 /* If set_flag[letter] is set, an implicit type has been set for letter. */
933 int set_flag
[GFC_LETTERS
];
934 /* Keeps track of the implicit types associated with the letters. */
935 gfc_typespec default_type
[GFC_LETTERS
];
937 /* If this is a namespace of a procedure, this points to the procedure. */
938 struct gfc_symbol
*proc_name
;
939 /* If this is the namespace of a unit which contains executable
940 code, this points to it. */
941 struct gfc_code
*code
;
943 /* Points to the equivalences set up in this namespace. */
944 struct gfc_equiv
*equiv
;
945 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
947 /* Points to the parent namespace, i.e. the namespace of a module or
948 procedure in which the procedure belonging to this namespace is
949 contained. The parent namespace points to this namespace either
950 directly via CONTAINED, or indirectly via the chain built by
952 struct gfc_namespace
*parent
;
953 /* CONTAINED points to the first contained namespace. Sibling
954 namespaces are chained via SIBLING. */
955 struct gfc_namespace
*contained
, *sibling
;
957 gfc_common_head blank_common
;
958 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
960 gfc_st_label
*st_labels
;
961 /* This list holds information about all the data initializers in
963 struct gfc_data
*data
;
965 gfc_charlen
*cl_list
;
967 int save_all
, seen_save
, seen_implicit_none
;
969 /* Normally we don't need to refcount namespaces. However when we read
970 a module containing a function with multiple entry points, this
971 will appear as several functions with the same formal namespace. */
974 /* A list of all alternate entry points to this procedure (or NULL). */
975 gfc_entry_list
*entries
;
977 /* A list of all derived types in this procedure (or NULL). */
978 gfc_dt_list
*derived_types
;
980 /* Set to 1 if namespace is a BLOCK DATA program unit. */
985 extern gfc_namespace
*gfc_current_ns
;
987 /* Global symbols are symbols of global scope. Currently we only use
988 this to detect collisions already when parsing.
989 TODO: Extend to verify procedure calls. */
991 typedef struct gfc_gsymbol
993 BBT_HEADER(gfc_gsymbol
);
996 enum { GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
997 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
} type
;
1004 extern gfc_gsymbol
*gfc_gsym_root
;
1006 /* Information on interfaces being built. */
1009 interface_type type
;
1013 gfc_intrinsic_op op
;
1017 extern gfc_interface_info current_interface
;
1020 /* Array reference. */
1021 typedef struct gfc_array_ref
1024 int dimen
; /* # of components in the reference */
1028 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1029 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1030 *stride
[GFC_MAX_DIMENSIONS
];
1033 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
1034 dimen_type
[GFC_MAX_DIMENSIONS
];
1036 struct gfc_expr
*offset
;
1040 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
1043 /* Component reference nodes. A variable is stored as an expression
1044 node that points to the base symbol. After that, a singly linked
1045 list of component reference nodes gives the variable's complete
1046 resolution. The array_ref component may be present and comes
1047 before the component component. */
1050 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1053 typedef struct gfc_ref
1059 struct gfc_array_ref ar
;
1063 gfc_component
*component
;
1070 struct gfc_expr
*start
, *end
; /* Substring */
1071 gfc_charlen
*length
;
1078 struct gfc_ref
*next
;
1082 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
1085 /* Structures representing intrinsic symbols and their arguments lists. */
1086 typedef struct gfc_intrinsic_arg
1088 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1092 gfc_actual_arglist
*actual
;
1094 struct gfc_intrinsic_arg
*next
;
1100 /* Specifies the various kinds of check functions used to verify the
1101 argument lists of intrinsic functions. fX with X an integer refer
1102 to check functions of intrinsics with X arguments. f1m is used for
1103 the MAX and MIN intrinsics which can have an arbitrary number of
1104 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1105 these have special semantics. */
1110 try (*f1
)(struct gfc_expr
*);
1111 try (*f1m
)(gfc_actual_arglist
*);
1112 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1113 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1114 try (*f3ml
)(gfc_actual_arglist
*);
1115 try (*f3red
)(gfc_actual_arglist
*);
1116 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1118 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1119 struct gfc_expr
*, struct gfc_expr
*);
1123 /* Like gfc_check_f, these specify the type of the simplification
1124 function associated with an intrinsic. The fX are just like in
1125 gfc_check_f. cc is used for type conversion functions. */
1129 struct gfc_expr
*(*f0
)(void);
1130 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1131 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1132 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1134 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1135 struct gfc_expr
*, struct gfc_expr
*);
1136 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1137 struct gfc_expr
*, struct gfc_expr
*,
1139 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1143 /* Again like gfc_check_f, these specify the type of the resolution
1144 function associated with an intrinsic. The fX are just like in
1145 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1150 void (*f0
)(struct gfc_expr
*);
1151 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1152 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1153 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1154 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1156 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1157 struct gfc_expr
*, struct gfc_expr
*);
1158 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1159 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1160 void (*s1
)(struct gfc_code
*);
1165 typedef struct gfc_intrinsic_sym
1167 const char *name
, *lib_name
;
1168 gfc_intrinsic_arg
*formal
;
1170 int elemental
, pure
, generic
, specific
, actual_ok
, standard
, noreturn
;
1172 gfc_simplify_f simplify
;
1174 gfc_resolve_f resolve
;
1175 struct gfc_intrinsic_sym
*specific_head
, *next
;
1176 gfc_generic_isym_id generic_id
;
1182 /* Expression nodes. The expression node types deserve explanations,
1183 since the last couple can be easily misconstrued:
1185 EXPR_OP Operator node pointing to one or two other nodes
1186 EXPR_FUNCTION Function call, symbol points to function's name
1187 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1188 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1189 which expresses structure, array and substring refs.
1190 EXPR_NULL The NULL pointer value (which also has a basic type).
1191 EXPR_SUBSTRING A substring of a constant string
1192 EXPR_STRUCTURE A structure constructor
1193 EXPR_ARRAY An array constructor. */
1197 #define GFC_RND_MODE GMP_RNDN
1199 typedef struct gfc_expr
1203 gfc_typespec ts
; /* These two refer to the overall expression */
1206 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1208 /* Nonnull for functions and structure constructors */
1209 gfc_symtree
*symtree
;
1215 /* True if it is converted from Hollerith constant. */
1216 unsigned int from_H
: 1;
1217 /* True if the expression is a call to a function that returns an array,
1218 and if we have decided not to allocate temporary data for that array. */
1219 unsigned int inline_noncopying_intrinsic
: 1;
1236 gfc_intrinsic_op
operator;
1238 struct gfc_expr
*op1
, *op2
;
1244 gfc_actual_arglist
*actual
;
1245 const char *name
; /* Points to the ultimate name of the function */
1246 gfc_intrinsic_sym
*isym
;
1258 struct gfc_constructor
*constructor
;
1266 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1268 /* Structures for information associated with different kinds of
1269 numbers. The first set of integer parameters define all there is
1270 to know about a particular kind. The rest of the elements are
1271 computed from the first elements. */
1275 /* Values really representable by the target. */
1276 mpz_t huge
, pedantic_min_int
, min_int
, max_int
;
1278 int kind
, radix
, digits
, bit_size
, range
;
1280 /* True if the C type of the given name maps to this precision.
1281 Note that more than one bit can be set. */
1282 unsigned int c_char
: 1;
1283 unsigned int c_short
: 1;
1284 unsigned int c_int
: 1;
1285 unsigned int c_long
: 1;
1286 unsigned int c_long_long
: 1;
1290 extern gfc_integer_info gfc_integer_kinds
[];
1297 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1298 unsigned int c_bool
: 1;
1302 extern gfc_logical_info gfc_logical_kinds
[];
1307 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1308 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1309 int range
, precision
;
1311 /* The precision of the type as reported by GET_MODE_PRECISION. */
1314 /* True if the C type of the given name maps to this precision.
1315 Note that more than one bit can be set. */
1316 unsigned int c_float
: 1;
1317 unsigned int c_double
: 1;
1318 unsigned int c_long_double
: 1;
1322 extern gfc_real_info gfc_real_kinds
[];
1325 /* Equivalence structures. Equivalent lvalues are linked along the
1326 *eq pointer, equivalence sets are strung along the *next node. */
1327 typedef struct gfc_equiv
1329 struct gfc_equiv
*next
, *eq
;
1336 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1339 /* gfc_case stores the selector list of a case statement. The *low
1340 and *high pointers can point to the same expression in the case of
1341 a single value. If *high is NULL, the selection is from *low
1342 upwards, if *low is NULL the selection is *high downwards.
1344 This structure has separate fields to allow single and double linked
1345 lists of CASEs at the same time. The singe linked list along the NEXT
1346 field is a list of cases for a single CASE label. The double linked
1347 list along the LEFT/RIGHT fields is used to detect overlap and to
1348 build a table of the cases for SELECT constructs with a CHARACTER
1351 typedef struct gfc_case
1353 /* Where we saw this case. */
1357 /* Case range values. If (low == high), it's a single value. If one of
1358 the labels is NULL, it's an unbounded case. If both are NULL, this
1359 represents the default case. */
1360 gfc_expr
*low
, *high
;
1362 /* Next case label in the list of cases for a single CASE label. */
1363 struct gfc_case
*next
;
1365 /* Used for detecting overlap, and for code generation. */
1366 struct gfc_case
*left
, *right
;
1368 /* True if this case label can never be matched. */
1373 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1378 gfc_expr
*var
, *start
, *end
, *step
;
1382 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1385 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1387 typedef struct gfc_alloc
1390 struct gfc_alloc
*next
;
1394 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1399 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1400 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
;
1408 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1416 gfc_expr
*unit
, *iostat
, *iomsg
;
1424 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1425 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1426 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1427 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
;
1437 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
;
1439 gfc_symbol
*namelist
;
1440 /* A format_label of `format_asterisk' indicates the "*" format */
1441 gfc_st_label
*format_label
;
1442 gfc_st_label
*err
, *end
, *eor
;
1444 locus eor_where
, end_where
, err_where
;
1449 typedef struct gfc_forall_iterator
1451 gfc_expr
*var
, *start
, *end
, *stride
;
1452 struct gfc_forall_iterator
*next
;
1454 gfc_forall_iterator
;
1457 /* Executable statements that fill gfc_code structures. */
1460 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1461 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_ENTRY
,
1462 EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1463 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1464 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1465 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1466 EXEC_OPEN
, EXEC_CLOSE
,
1467 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1468 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
1469 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
1470 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
1471 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
1472 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
1473 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
1478 typedef struct gfc_code
1482 struct gfc_code
*block
, *next
;
1485 gfc_st_label
*here
, *label
, *label2
, *label3
;
1486 gfc_symtree
*symtree
;
1487 gfc_expr
*expr
, *expr2
;
1488 /* A name isn't sufficient to identify a subroutine, we need the actual
1489 symbol for the interface definition.
1490 const char *sub_name; */
1491 gfc_symbol
*resolved_sym
;
1495 gfc_actual_arglist
*actual
;
1496 gfc_case
*case_list
;
1497 gfc_iterator
*iterator
;
1498 gfc_alloc
*alloc_list
;
1501 gfc_filepos
*filepos
;
1502 gfc_inquire
*inquire
;
1504 gfc_forall_iterator
*forall_iterator
;
1505 struct gfc_code
*whichloop
;
1507 gfc_entry_list
*entry
;
1508 gfc_omp_clauses
*omp_clauses
;
1509 const char *omp_name
;
1510 gfc_namelist
*omp_namelist
;
1513 ext
; /* Points to additional structures required by statement */
1515 /* Backend_decl is used for cycle and break labels in do loops, and
1516 probably for other constructs as well, once we translate them. */
1522 /* Storage for DATA statements. */
1523 typedef struct gfc_data_variable
1527 struct gfc_data_variable
*list
, *next
;
1532 typedef struct gfc_data_value
1534 unsigned int repeat
;
1536 struct gfc_data_value
*next
;
1541 typedef struct gfc_data
1543 gfc_data_variable
*var
;
1544 gfc_data_value
*value
;
1547 struct gfc_data
*next
;
1551 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1552 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1553 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1556 /* Structure for holding compile options */
1560 gfc_source_form source_form
;
1561 /* When fixed_line_length or free_line_length are 0, the whole line is used.
1563 Default is -1, the maximum line length mandated by the respective source
1565 for FORM_FREE GFC_MAX_LINE (132)
1568 If fixed_line_length or free_line_length is not 0 nor -1 then the user has
1569 requested a specific line-length.
1571 If the user requests a fixed_line_length <7 then gfc_init_options()
1572 emits a fatal error. */
1573 int fixed_line_length
; /* maximum line length in fixed-form. */
1574 int free_line_length
; /* maximum line length in free-form. */
1575 int max_identifier_length
;
1579 int warn_conversion
;
1580 int warn_implicit_interface
;
1581 int warn_line_truncation
;
1583 int warn_surprising
;
1584 int warn_unused_labels
;
1586 int flag_default_double
;
1587 int flag_default_integer
;
1588 int flag_default_real
;
1590 int flag_underscoring
;
1591 int flag_second_underscore
;
1592 int flag_implicit_none
;
1593 int flag_max_stack_var_size
;
1594 int flag_module_access_private
;
1595 int flag_no_backend
;
1596 int flag_pack_derived
;
1597 int flag_repack_arrays
;
1598 int flag_preprocessed
;
1602 int flag_cray_pointer
;
1612 int warn_nonstd_intrinsics
;
1618 extern gfc_option_t gfc_option
;
1621 /* Constructor nodes for array and structure constructors. */
1622 typedef struct gfc_constructor
1625 gfc_iterator
*iterator
;
1627 struct gfc_constructor
*next
;
1630 mpz_t offset
; /* Record the offset of array element which appears in
1631 data statement like "data a(5)/4/". */
1632 gfc_component
*component
; /* Record the component being initialized. */
1635 mpz_t repeat
; /* Record the repeat number of initial values in data
1636 statement like "data a/5*10/". */
1641 typedef struct iterator_stack
1643 gfc_symtree
*variable
;
1645 struct iterator_stack
*prev
;
1648 extern iterator_stack
*iter_stack
;
1650 /************************ Function prototypes *************************/
1653 void gfc_formalize_init_value (gfc_symbol
*);
1654 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1655 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1656 void gfc_assign_data_value_range (gfc_expr
*, gfc_expr
*, mpz_t
, mpz_t
);
1657 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1660 void gfc_scanner_done_1 (void);
1661 void gfc_scanner_init_1 (void);
1663 void gfc_add_include_path (const char *);
1664 void gfc_release_include_path (void);
1665 FILE *gfc_open_included_file (const char *, bool);
1667 int gfc_at_end (void);
1668 int gfc_at_eof (void);
1669 int gfc_at_bol (void);
1670 int gfc_at_eol (void);
1671 void gfc_advance_line (void);
1672 int gfc_check_include (void);
1674 void gfc_skip_comments (void);
1675 int gfc_next_char_literal (int);
1676 int gfc_next_char (void);
1677 int gfc_peek_char (void);
1678 void gfc_error_recovery (void);
1679 void gfc_gobble_whitespace (void);
1680 try gfc_new_file (void);
1681 const char * gfc_read_orig_filename (const char *, const char **);
1683 extern gfc_source_form gfc_current_form
;
1684 extern const char *gfc_source_file
;
1685 extern locus gfc_current_locus
;
1688 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1689 void gfc_free (void *);
1690 int gfc_terminal_width(void);
1691 void gfc_clear_ts (gfc_typespec
*);
1692 FILE *gfc_open_file (const char *);
1693 const char *gfc_basic_typename (bt
);
1694 const char *gfc_typename (gfc_typespec
*);
1696 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1697 "=" : gfc_code2string (intrinsic_operators, OP))
1699 const char *gfc_code2string (const mstring
*, int);
1700 int gfc_string2code (const mstring
*, const char *);
1701 const char *gfc_intent_string (sym_intent
);
1703 void gfc_init_1 (void);
1704 void gfc_init_2 (void);
1705 void gfc_done_1 (void);
1706 void gfc_done_2 (void);
1709 unsigned int gfc_init_options (unsigned int, const char **);
1710 int gfc_handle_option (size_t, const char *, int);
1711 bool gfc_post_options (const char **);
1714 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1718 typedef struct gfc_error_buf
1721 size_t allocated
, index
;
1725 void gfc_error_init_1 (void);
1726 void gfc_buffer_error (int);
1728 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1729 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1730 void gfc_clear_warning (void);
1731 void gfc_warning_check (void);
1733 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1734 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1735 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1736 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1737 void gfc_clear_error (void);
1738 int gfc_error_check (void);
1740 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1742 /* A general purpose syntax error. */
1743 #define gfc_syntax_error(ST) \
1744 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1746 void gfc_push_error (gfc_error_buf
*);
1747 void gfc_pop_error (gfc_error_buf
*);
1748 void gfc_free_error (gfc_error_buf
*);
1750 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1751 void gfc_status_char (char);
1753 void gfc_get_errors (int *, int *);
1756 void gfc_arith_init_1 (void);
1757 void gfc_arith_done_1 (void);
1758 gfc_expr
*gfc_enum_initializer (gfc_expr
*, locus
);
1759 arith
gfc_check_integer_range (mpz_t p
, int kind
);
1762 int gfc_validate_kind (bt
, int, bool);
1763 extern int gfc_index_integer_kind
;
1764 extern int gfc_default_integer_kind
;
1765 extern int gfc_max_integer_kind
;
1766 extern int gfc_default_real_kind
;
1767 extern int gfc_default_double_kind
;
1768 extern int gfc_default_character_kind
;
1769 extern int gfc_default_logical_kind
;
1770 extern int gfc_default_complex_kind
;
1771 extern int gfc_c_int_kind
;
1774 void gfc_clear_new_implicit (void);
1775 try gfc_add_new_implicit_range (int, int);
1776 try gfc_merge_new_implicit (gfc_typespec
*);
1777 void gfc_set_implicit_none (void);
1779 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1780 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1782 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1783 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1785 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1787 try gfc_add_attribute (symbol_attribute
*, locus
*, uint
);
1788 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1789 try gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
1790 try gfc_add_external (symbol_attribute
*, locus
*);
1791 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1792 try gfc_add_optional (symbol_attribute
*, locus
*);
1793 try gfc_add_pointer (symbol_attribute
*, locus
*);
1794 try gfc_add_cray_pointer (symbol_attribute
*, locus
*);
1795 try gfc_add_cray_pointee (symbol_attribute
*, locus
*);
1796 try gfc_mod_pointee_as (gfc_array_spec
*as
);
1797 try gfc_add_result (symbol_attribute
*, const char *, locus
*);
1798 try gfc_add_save (symbol_attribute
*, const char *, locus
*);
1799 try gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
1800 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1801 try gfc_add_target (symbol_attribute
*, locus
*);
1802 try gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
1803 try gfc_add_generic (symbol_attribute
*, const char *, locus
*);
1804 try gfc_add_common (symbol_attribute
*, locus
*);
1805 try gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
1806 try gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
1807 try gfc_add_data (symbol_attribute
*, const char *, locus
*);
1808 try gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
1809 try gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
1810 try gfc_add_elemental (symbol_attribute
*, locus
*);
1811 try gfc_add_pure (symbol_attribute
*, locus
*);
1812 try gfc_add_recursive (symbol_attribute
*, locus
*);
1813 try gfc_add_function (symbol_attribute
*, const char *, locus
*);
1814 try gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
1816 try gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
1817 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
1818 try gfc_add_entry (symbol_attribute
*, const char *, locus
*);
1819 try gfc_add_procedure (symbol_attribute
*, procedure_type
,
1820 const char *, locus
*);
1821 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1822 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1823 gfc_formal_arglist
*, locus
*);
1824 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1826 void gfc_clear_attr (symbol_attribute
*);
1827 try gfc_missing_attr (symbol_attribute
*, locus
*);
1828 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1830 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1831 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1832 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1833 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1835 gfc_st_label
*gfc_get_st_label (int);
1836 void gfc_free_st_label (gfc_st_label
*);
1837 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1838 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1840 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
1841 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1842 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1843 gfc_user_op
*gfc_get_uop (const char *);
1844 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1845 void gfc_free_symbol (gfc_symbol
*);
1846 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1847 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1848 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1849 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1850 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1851 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1852 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1854 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1856 void gfc_undo_symbols (void);
1857 void gfc_commit_symbols (void);
1858 void gfc_commit_symbol (gfc_symbol
* sym
);
1859 void gfc_free_namespace (gfc_namespace
*);
1861 void gfc_symbol_init_2 (void);
1862 void gfc_symbol_done_2 (void);
1864 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
1865 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1866 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1867 void gfc_save_all (gfc_namespace
*);
1869 void gfc_symbol_state (void);
1871 gfc_gsymbol
*gfc_get_gsymbol (const char *);
1872 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
1875 extern int gfc_init_expr
;
1877 /* Given a symbol that we have decided is intrinsic, mark it as such
1878 by placing it into a special module that is otherwise impossible to
1881 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1883 void gfc_intrinsic_init_1 (void);
1884 void gfc_intrinsic_done_1 (void);
1886 char gfc_type_letter (bt
);
1887 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1888 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1889 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1890 int gfc_generic_intrinsic (const char *);
1891 int gfc_specific_intrinsic (const char *);
1892 int gfc_intrinsic_name (const char *, int);
1893 gfc_intrinsic_sym
*gfc_find_function (const char *);
1895 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1896 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1899 void gfc_simplify_init_1 (void);
1901 /* match.c -- FIXME */
1902 void gfc_free_iterator (gfc_iterator
*, int);
1903 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1904 void gfc_free_alloc_list (gfc_alloc
*);
1905 void gfc_free_namelist (gfc_namelist
*);
1906 void gfc_free_equiv (gfc_equiv
*);
1907 void gfc_free_data (gfc_data
*);
1908 void gfc_free_case_list (gfc_case
*);
1911 void gfc_free_omp_clauses (gfc_omp_clauses
*);
1912 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
1913 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
1914 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
1915 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
1918 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1919 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1920 const char *gfc_extract_int (gfc_expr
*, int *);
1922 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1923 void gfc_free_ref_list (gfc_ref
*);
1924 void gfc_type_convert_binary (gfc_expr
*);
1925 int gfc_is_constant_expr (gfc_expr
*);
1926 try gfc_simplify_expr (gfc_expr
*, int);
1927 int gfc_has_vector_index (gfc_expr
*);
1929 gfc_expr
*gfc_get_expr (void);
1930 void gfc_free_expr (gfc_expr
*);
1931 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1932 gfc_expr
*gfc_int_expr (int);
1933 gfc_expr
*gfc_logical_expr (int, locus
*);
1934 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1935 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
1936 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1938 try gfc_specification_expr (gfc_expr
*);
1940 int gfc_numeric_ts (gfc_typespec
*);
1941 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1943 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1944 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1945 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1946 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1948 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1949 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
1951 void gfc_expr_set_symbols_referenced (gfc_expr
* expr
);
1954 extern gfc_code new_st
;
1956 void gfc_clear_new_st (void);
1957 gfc_code
*gfc_get_code (void);
1958 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1959 void gfc_free_statement (gfc_code
*);
1960 void gfc_free_statements (gfc_code
*);
1963 try gfc_resolve_expr (gfc_expr
*);
1964 void gfc_resolve (gfc_namespace
*);
1965 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
1966 int gfc_impure_variable (gfc_symbol
*);
1967 int gfc_pure (gfc_symbol
*);
1968 int gfc_elemental (gfc_symbol
*);
1969 try gfc_resolve_iterator (gfc_iterator
*, bool);
1970 try gfc_resolve_index (gfc_expr
*, int);
1971 try gfc_resolve_dim_arg (gfc_expr
*);
1972 int gfc_is_formal_arg (void);
1975 void gfc_free_array_spec (gfc_array_spec
*);
1976 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1978 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1979 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1980 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1982 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1984 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1985 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1986 void gfc_free_constructor (gfc_constructor
*);
1987 void gfc_simplify_iterator_var (gfc_expr
*);
1988 try gfc_expand_constructor (gfc_expr
*);
1989 int gfc_constant_ac (gfc_expr
*);
1990 int gfc_expanded_ac (gfc_expr
*);
1991 try gfc_resolve_array_constructor (gfc_expr
*);
1992 try gfc_check_constructor_type (gfc_expr
*);
1993 try gfc_check_iter_variable (gfc_expr
*);
1994 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1995 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1996 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1997 try gfc_array_size (gfc_expr
*, mpz_t
*);
1998 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1999 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2000 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2001 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
2002 gfc_constructor
*gfc_get_constructor (void);
2003 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
2004 try spec_size (gfc_array_spec
*, mpz_t
*);
2005 int gfc_is_compile_time_shape (gfc_array_spec
*);
2007 /* interface.c -- FIXME: some of these should be in symbol.c */
2008 void gfc_free_interface (gfc_interface
*);
2009 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2010 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2011 void gfc_check_interfaces (gfc_namespace
*);
2012 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2013 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2014 gfc_actual_arglist
**);
2015 try gfc_extend_expr (gfc_expr
*);
2016 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2017 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2018 try gfc_add_interface (gfc_symbol
* sym
);
2021 extern gfc_st_label format_asterisk
;
2023 void gfc_free_open (gfc_open
*);
2024 try gfc_resolve_open (gfc_open
*);
2025 void gfc_free_close (gfc_close
*);
2026 try gfc_resolve_close (gfc_close
*);
2027 void gfc_free_filepos (gfc_filepos
*);
2028 try gfc_resolve_filepos (gfc_filepos
*);
2029 void gfc_free_inquire (gfc_inquire
*);
2030 try gfc_resolve_inquire (gfc_inquire
*);
2031 void gfc_free_dt (gfc_dt
*);
2032 try gfc_resolve_dt (gfc_dt
*);
2035 void gfc_module_init_2 (void);
2036 void gfc_module_done_2 (void);
2037 void gfc_dump_module (const char *, int);
2038 bool gfc_check_access (gfc_access
, gfc_access
);
2041 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2042 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2045 void gfc_generate_code (gfc_namespace
*);
2046 void gfc_generate_module_code (gfc_namespace
*);
2049 typedef int (*compare_fn
) (void *, void *);
2050 void gfc_insert_bbt (void *, void *, compare_fn
);
2051 void gfc_delete_bbt (void *, void *, compare_fn
);
2053 /* dump-parse-tree.c */
2054 void gfc_show_namespace (gfc_namespace
*);
2057 try gfc_parse_file (void);
2058 void global_used (gfc_gsymbol
*, locus
*);
2061 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2063 #endif /* GCC_GFORTRAN_H */