1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
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, 59 Temple Place - Suite 330, 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. */
32 /* We need system.h for HOST_WIDE_INT. Including hwint.h by itself doesn't
33 seem to be sufficient on some systems. */
35 #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__ */
57 #include <stdio.h> /* need FILE * here */
59 /* Major control parameters. */
61 #define GFC_MAX_SYMBOL_LEN 63
62 #define GFC_REAL_BITS 100 /* Number of bits in g95's floating point numbers. */
63 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
64 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
65 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
66 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
68 #define free(x) Use_gfc_free_instead_of_free()
69 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
72 #define NULL ((void *) 0)
76 #define stringize(x) expand_macro(x)
77 #define expand_macro(x) # x
79 /* For a the runtime library, a standard prefix is a requirement to
80 avoid cluttering the namespace with things nobody asked for. It's
81 ugly to look at and a pain to type when you add the prefix by hand,
82 so we hide it behind a macro. */
83 #define PREFIX(x) "_gfortran_" x
86 /* Macro to initialize an mstring structure. */
87 #define minit(s, t) { s, NULL, t }
89 /* Structure for storing strings to be matched by gfc_match_string. */
99 /* Flags to specify which standardi/extension contains a feature. */
100 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
101 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
102 #define GFC_STD_F2003_DEL (1<<3) /* Deleted in F2003. */
103 #define GFC_STD_F2003_OBS (1<<2) /* Obsoleted in F2003. */
104 #define GFC_STD_F95_DEL (1<<1) /* Deleted in F95. */
105 #define GFC_STD_F95_OBS (1<<0) /* Obsoleted in F95. */
107 /*************************** Enums *****************************/
109 /* The author remains confused to this day about the convention of
110 returning '0' for 'SUCCESS'... or was it the other way around? The
111 following enum makes things much more readable. We also start
112 values off at one instead of zero. */
115 { SUCCESS
= 1, FAILURE
}
118 /* Matchers return one of these three values. The difference between
119 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
120 successful, but that something non-syntactic is wrong and an error
121 has already been issued. */
124 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
128 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
132 { BT_UNKNOWN
= 1, BT_INTEGER
, BT_REAL
, BT_COMPLEX
,
133 BT_LOGICAL
, BT_CHARACTER
, BT_DERIVED
, BT_PROCEDURE
137 /* Expression node types. */
139 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
140 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
146 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
147 AS_ASSUMED_SIZE
, AS_UNKNOWN
152 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
155 /* Statement label types. */
157 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
158 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
162 /* Intrinsic operators. */
164 { GFC_INTRINSIC_BEGIN
= 0,
165 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
166 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
167 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
168 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
169 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
170 INTRINSIC_LT
, INTRINSIC_LE
, INTRINSIC_NOT
, INTRINSIC_USER
,
172 GFC_INTRINSIC_END
/* Sentinel */
177 /* Strings for all intrinsic operators. */
178 extern mstring intrinsic_operators
[];
181 /* This macro is the number of intrinsic operators that exist.
182 Assumptions are made about the numbering of the interface_op enums. */
183 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
185 /* Arithmetic results. */
187 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
,
188 ARITH_DIV0
, ARITH_0TO0
, ARITH_INCOMMENSURATE
195 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_BACKSPACE
, ST_BLOCK_DATA
,
196 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
197 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
198 ST_ELSEWHERE
, ST_END_BLOCK_DATA
, ST_ENDDO
, ST_IMPLIED_ENDDO
,
199 ST_END_FILE
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
,
200 ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
,
201 ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
, ST_EXIT
, ST_FORALL
,
202 ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
,
203 ST_IMPLICIT_NONE
, ST_INQUIRE
, ST_INTERFACE
, ST_PARAMETER
, ST_MODULE
,
204 ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
,
205 ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
,
207 ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WRITE
, ST_ASSIGNMENT
,
208 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
209 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_NONE
214 /* Types of interfaces that we can have. Assignment interfaces are
215 considered to be intrinsic operators. */
218 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
219 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
223 /* Symbol flavors: these are all mutually exclusive.
224 10 elements = 4 bits. */
227 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
228 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
232 /* Procedure types. 7 elements = 3 bits. */
234 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
235 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
241 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
247 { ACCESS_PUBLIC
= 1, ACCESS_PRIVATE
, ACCESS_UNKNOWN
251 /* Flags to keep track of where an interface came from.
252 4 elements = 2 bits. */
254 { IFSRC_UNKNOWN
= 0, IFSRC_DECL
, IFSRC_IFBODY
, IFSRC_USAGE
258 /* Strings for all symbol attributes. We use these for dumping the
259 parse tree, in error messages, and also when reading and writing
260 modules. In symbol.c. */
261 extern const mstring flavors
[];
262 extern const mstring procedures
[];
263 extern const mstring intents
[];
264 extern const mstring access_types
[];
265 extern const mstring ifsrc_types
[];
267 /* Enumeration of all the generic intrinsic functions. Used by the
268 backend for identification of a function. */
270 enum gfc_generic_isym_id
272 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
273 the backend (eg. KIND). */
301 GFC_ISYM_DOT_PRODUCT
,
356 GFC_ISYM_SET_EXPONENT
,
378 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
380 /************************* Structures *****************************/
382 /* Symbol attribute structure. */
385 /* Variable attributes. */
386 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
387 optional
:1, pointer
:1, save
:1, target
:1,
388 dummy
:1, common
:1, result
:1, entry
:1, assign
:1;
390 unsigned data
:1, /* Symbol is named in a DATA statement. */
391 use_assoc
:1; /* Symbol has been use-associated. */
393 unsigned in_namelist
:1, in_common
:1, saved_common
:1;
394 unsigned function
:1, subroutine
:1, generic
:1;
395 unsigned implicit_type
:1; /* Type defined via implicit rules */
397 /* Function/subroutine attributes */
398 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
399 unsigned unmaskable
:1, masked
:1, contained
:1;
401 /* Set if a function must always be referenced by an explicit interface. */
402 unsigned always_explicit
:1;
404 /* Set if the symbol has been referenced in an expression. No further
405 modification of type or type parameters is permitted. */
406 unsigned referenced
:1;
408 /* Mutually exclusive multibit attributes. */
414 procedure_type proc
:3;
420 /* The following three structures are used to identify a location in
423 gfc_file is used to maintain a tree of the source files and how
424 they include each other
426 gfc_linebuf holds a single line of source code and information
427 which file it resides in
429 locus point to the sourceline and the character in the source
433 typedef struct gfc_file
435 struct gfc_file
*included_by
, *next
, *up
;
436 int inclusion_line
, line
;
440 typedef struct gfc_linebuf
443 struct gfc_file
*file
;
444 struct gfc_linebuf
*next
;
458 # include <sys/param.h>
459 # define PATH_MAX MAXPATHLEN
463 extern int gfc_suppress_error
;
466 /* Character length structures hold the expression that gives the
467 length of a character variable. We avoid putting these into
468 gfc_typespec because doing so prevents us from doing structure
469 copies and forces us to deallocate any typespecs we create, as well
470 as structures that contain typespecs. They also can have multiple
471 character typespecs pointing to them.
473 These structures form a singly linked list within the current
474 namespace and are deallocated with the namespace. It is possible to
475 end up with gfc_charlen structures that have nothing pointing to them. */
477 typedef struct gfc_charlen
479 struct gfc_expr
*length
;
480 struct gfc_charlen
*next
;
485 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
487 /* Type specification structure. FIXME: derived and cl could be union??? */
492 struct gfc_symbol
*derived
;
493 gfc_charlen
*cl
; /* For character types only. */
497 /* Array specification. */
500 int rank
; /* A rank of zero means that a variable is a scalar. */
502 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
506 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
509 /* Components of derived types. */
510 typedef struct gfc_component
512 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
515 int pointer
, dimension
;
520 struct gfc_expr
*initializer
;
521 struct gfc_component
*next
;
525 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
527 /* Formal argument lists are lists of symbols. */
528 typedef struct gfc_formal_arglist
530 struct gfc_symbol
*sym
;
531 struct gfc_formal_arglist
*next
;
535 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
538 /* The gfc_actual_arglist structure is for actual arguments. */
539 typedef struct gfc_actual_arglist
541 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
542 /* Alternate return label when the expr member is null. */
543 struct gfc_st_label
*label
;
545 /* This is set to the type of an eventual omitted optional
546 argument. This is used to determine if a hidden string length
547 argument has to be added to a function call. */
550 struct gfc_expr
*expr
;
551 struct gfc_actual_arglist
*next
;
555 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
558 /* Because a symbol can belong to multiple namelists, they must be
559 linked externally to the symbol itself. */
560 typedef struct gfc_namelist
562 struct gfc_symbol
*sym
;
563 struct gfc_namelist
*next
;
567 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
570 /* The gfc_st_label structure is a doubly linked list attached to a
571 namespace that records the usage of statement labels within that
573 /* TODO: Make format/statement specifics a union. */
574 typedef struct gfc_st_label
578 gfc_sl_type defined
, referenced
;
580 struct gfc_expr
*format
;
586 struct gfc_st_label
*prev
, *next
;
591 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
592 typedef struct gfc_interface
594 struct gfc_symbol
*sym
;
596 struct gfc_interface
*next
;
600 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
603 /* User operator nodes. These are like stripped down symbols. */
606 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
608 gfc_interface
*operator;
609 struct gfc_namespace
*ns
;
614 /* Symbol nodes. These are important things. They are what the
615 standard refers to as "entities". The possibly multiple names that
616 refer to the same entity are accomplished by a binary tree of
617 symtree structures that is balanced by the red-black method-- more
618 than one symtree node can point to any given symbol. */
620 typedef struct gfc_symbol
622 char name
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Primary name, before renaming */
623 char module
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Module this symbol came from */
627 symbol_attribute attr
;
629 /* The interface member points to the formal argument list if the
630 symbol is a function or subroutine name. If the symbol is a
631 generic name, the generic member points to the list of
634 gfc_interface
*generic
;
635 gfc_access component_access
;
637 gfc_formal_arglist
*formal
;
638 struct gfc_namespace
*formal_ns
;
640 struct gfc_expr
*value
; /* Parameter/Initializer value */
642 struct gfc_symbol
*result
; /* function result symbol */
643 gfc_component
*components
; /* Derived type components */
645 /* TODO: These three fields are mutually exclusive. */
646 struct gfc_symbol
*common_head
, *common_next
; /* Links for COMMON syms */
647 /* Make sure setup code for dummy arguments is generated in the correct
651 gfc_namelist
*namelist
, *namelist_tail
;
653 /* Change management fields. Symbols that might be modified by the
654 current statement have the mark member nonzero and are kept in a
655 singly linked list through the tlink field. Of these symbols,
656 symbols with old_symbol equal to NULL are symbols created within
657 the current statement. Otherwise, old_symbol points to a copy of
660 struct gfc_symbol
*old_symbol
, *tlink
;
661 unsigned mark
:1, new:1;
662 /* Nonzero if all equivalences associated with this symbol have been
664 unsigned equiv_built
:1;
666 struct gfc_namespace
*ns
; /* namespace containing this symbol */
674 /* Within a namespace, symbols are pointed to by symtree nodes that
675 are linked together in a balanced binary tree. There can be
676 several symtrees pointing to the same symbol node via USE
679 #define BBT_HEADER(self) int priority; struct self *left, *right
681 typedef struct gfc_symtree
683 BBT_HEADER (gfc_symtree
);
684 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
688 gfc_symbol
*sym
; /* Symbol associated with this node */
697 typedef struct gfc_namespace
699 gfc_symtree
*sym_root
, *uop_root
; /* Roots of the red/black symbol trees */
701 int set_flag
[GFC_LETTERS
];
702 gfc_typespec default_type
[GFC_LETTERS
]; /* IMPLICIT typespecs */
704 struct gfc_symbol
*proc_name
;
705 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
706 struct gfc_namespace
*parent
, *contained
, *sibling
;
707 struct gfc_code
*code
;
708 gfc_symbol
*blank_common
;
709 struct gfc_equiv
*equiv
;
710 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
712 gfc_st_label
*st_labels
;
713 struct gfc_data
*data
;
715 gfc_charlen
*cl_list
;
717 int save_all
, seen_save
;
721 extern gfc_namespace
*gfc_current_ns
;
724 /* Information on interfaces being built. */
735 extern gfc_interface_info current_interface
;
738 /* Array reference. */
739 typedef struct gfc_array_ref
742 int dimen
; /* # of components in the reference */
746 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
747 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
748 *stride
[GFC_MAX_DIMENSIONS
];
751 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
752 dimen_type
[GFC_MAX_DIMENSIONS
];
754 struct gfc_expr
*offset
;
758 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
761 /* Component reference nodes. A variable is stored as an expression
762 node that points to the base symbol. After that, a singly linked
763 list of component reference nodes gives the variable's complete
764 resolution. The array_ref component may be present and comes
765 before the component component. */
768 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
771 typedef struct gfc_ref
777 struct gfc_array_ref ar
;
781 gfc_component
*component
;
788 struct gfc_expr
*start
, *end
; /* Substring */
796 struct gfc_ref
*next
;
800 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
803 /* Structures representing intrinsic symbols and their arguments lists. */
804 typedef struct gfc_intrinsic_arg
806 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
810 gfc_actual_arglist
*actual
;
812 struct gfc_intrinsic_arg
*next
;
820 try (*f1
)(struct gfc_expr
*);
821 try (*f1m
)(gfc_actual_arglist
*);
822 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
823 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
824 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
826 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
827 struct gfc_expr
*, struct gfc_expr
*);
834 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
835 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
836 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
838 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
839 struct gfc_expr
*, struct gfc_expr
*);
840 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
841 struct gfc_expr
*, struct gfc_expr
*,
843 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
850 void (*f0
)(struct gfc_expr
*);
851 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
852 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
853 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
854 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
856 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
857 struct gfc_expr
*, struct gfc_expr
*);
858 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
859 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
860 void (*s1
)(struct gfc_code
*);
865 typedef struct gfc_intrinsic_sym
867 char name
[GFC_MAX_SYMBOL_LEN
+ 1], lib_name
[GFC_MAX_SYMBOL_LEN
+ 1];
868 gfc_intrinsic_arg
*formal
;
870 int elemental
, pure
, generic
, specific
, actual_ok
;
872 gfc_simplify_f simplify
;
874 gfc_resolve_f resolve
;
875 struct gfc_intrinsic_sym
*specific_head
, *next
;
876 gfc_generic_isym_id generic_id
;
882 /* Expression nodes. The expression node types deserve explanations,
883 since the last couple can be easily misconstrued:
885 EXPR_OP Operator node pointing to one or two other nodes
886 EXPR_FUNCTION Function call, symbol points to function's name
887 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
888 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
889 which expresses structure, array and substring refs.
890 EXPR_NULL The NULL pointer value (which also has a basic type).
891 EXPR_SUBSTRING A substring of a constant string
892 EXPR_STRUCTURE A structure constructor
893 EXPR_ARRAY An array constructor. */
897 typedef struct gfc_expr
901 gfc_typespec ts
; /* These two refer to the overall expression */
904 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
906 gfc_intrinsic_op
operator;
908 /* Nonnull for functions and structure constructors */
909 gfc_symtree
*symtree
;
914 struct gfc_expr
*op1
, *op2
;
931 gfc_actual_arglist
*actual
;
932 char *name
; /* Points to the ultimate name of the function */
933 gfc_intrinsic_sym
*isym
;
945 struct gfc_constructor
*constructor
;
953 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem(rank*sizeof(mpz_t)))
955 /* Structures for information associated with different kinds of
956 numbers. The first set of integer parameters define all there is
957 to know about a particular kind. The rest of the elements are
958 computed from the first elements. */
962 int kind
, radix
, digits
, bit_size
;
967 mpz_t min_int
, max_int
; /* Values really representable by the target */
971 extern gfc_integer_info gfc_integer_kinds
[];
981 extern gfc_logical_info gfc_logical_kinds
[];
986 int kind
, radix
, digits
, min_exponent
, max_exponent
;
988 int range
, precision
;
989 mpf_t epsilon
, huge
, tiny
;
993 extern gfc_real_info gfc_real_kinds
[];
996 /* Equivalence structures. Equivalent lvalues are linked along the
997 *eq pointer, equivalence sets are strung along the *next node. */
998 typedef struct gfc_equiv
1000 struct gfc_equiv
*next
, *eq
;
1006 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1009 /* gfc_case stores the selector list of a case statement. The *low
1010 and *high pointers can point to the same expression in the case of
1011 a single value. If *high is NULL, the selection is from *low
1012 upwards, if *low is NULL the selection is *high downwards.
1014 This structure has separate fields to allow singe and double linked
1015 lists of CASEs the same time. The singe linked list along the NEXT
1016 field is a list of cases for a single CASE label. The double linked
1017 list along the LEFT/RIGHT fields is used to detect overlap and to
1018 build a table of the cases for SELECT constructs with a CHARACTER
1021 typedef struct gfc_case
1023 /* Where we saw this case. */
1027 /* Case range values. If (low == high), it's a single value. If one of
1028 the labels is NULL, it's an unbounded case. If both are NULL, this
1029 represents the default case. */
1030 gfc_expr
*low
, *high
;
1032 /* Next case label in the list of cases for a single CASE label. */
1033 struct gfc_case
*next
;
1035 /* Used for detecting overlap, and for code generation. */
1036 struct gfc_case
*left
, *right
;
1038 /* True if this case label can never be matched. */
1043 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1048 gfc_expr
*var
, *start
, *end
, *step
;
1052 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1055 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1057 typedef struct gfc_alloc
1060 struct gfc_alloc
*next
;
1064 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1069 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1070 *blank
, *position
, *action
, *delim
, *pad
, *iostat
;
1078 gfc_expr
*unit
, *status
, *iostat
;
1086 gfc_expr
*unit
, *iostat
;
1094 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1095 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1096 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1097 *write
, *readwrite
, *delim
, *pad
, *iolength
;
1107 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
;
1109 gfc_symbol
*namelist
;
1110 /* A format_label of `format_asterisk' indicates the "*" format */
1111 gfc_st_label
*format_label
;
1112 gfc_st_label
*err
, *end
, *eor
;
1114 locus eor_where
, end_where
;
1119 typedef struct gfc_forall_iterator
1121 gfc_expr
*var
, *start
, *end
, *stride
;
1122 struct gfc_forall_iterator
*next
;
1124 gfc_forall_iterator
;
1127 /* Executable statements that fill gfc_code structures. */
1130 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1131 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1132 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1133 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1134 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1135 EXEC_OPEN
, EXEC_CLOSE
,
1136 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1137 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
1141 typedef struct gfc_code
1145 struct gfc_code
*block
, *next
;
1148 gfc_st_label
*here
, *label
, *label2
, *label3
;
1149 gfc_symtree
*symtree
;
1150 gfc_expr
*expr
, *expr2
;
1151 /* A name isn't sufficient to identify a subroutine, we need the actual
1152 symbol for the interface definition.
1153 const char *sub_name; */
1154 gfc_symbol
*resolved_sym
;
1158 gfc_actual_arglist
*actual
;
1159 gfc_case
*case_list
;
1160 gfc_iterator
*iterator
;
1161 gfc_alloc
*alloc_list
;
1164 gfc_filepos
*filepos
;
1165 gfc_inquire
*inquire
;
1167 gfc_forall_iterator
*forall_iterator
;
1168 struct gfc_code
*whichloop
;
1171 ext
; /* Points to additional structures required by statement */
1173 /* Backend_decl is used for cycle and break labels in do loops, and
1174 * probably for other constructs as well, once we translate them. */
1180 /* Storage for DATA statements. */
1181 typedef struct gfc_data_variable
1185 struct gfc_data_variable
*list
, *next
;
1190 typedef struct gfc_data_value
1195 struct gfc_data_value
*next
;
1200 typedef struct gfc_data
1202 gfc_data_variable
*var
;
1203 gfc_data_value
*value
;
1206 struct gfc_data
*next
;
1210 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1211 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1212 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1215 /* Structure for holding compile options */
1220 gfc_source_form source_form
;
1221 int fixed_line_length
;
1222 int max_identifier_length
;
1226 int warn_conversion
;
1227 int warn_implicit_interface
;
1228 int warn_line_truncation
;
1230 int warn_surprising
;
1231 int warn_unused_labels
;
1234 int flag_underscoring
;
1235 int flag_second_underscore
;
1236 int flag_implicit_none
;
1237 int flag_max_stack_var_size
;
1238 int flag_module_access_private
;
1239 int flag_no_backend
;
1240 int flag_pack_derived
;
1241 int flag_repack_arrays
;
1252 extern gfc_option_t gfc_option
;
1255 /* Constructor nodes for array and structure constructors. */
1256 typedef struct gfc_constructor
1259 gfc_iterator
*iterator
;
1261 struct gfc_constructor
*next
;
1264 mpz_t offset
; /* Record the offset of array element which appears in
1265 data statement like "data a(5)/4/". */
1266 gfc_component
*component
; /* Record the component being initialized. */
1269 mpz_t repeat
; /* Record the repeat number of initial values in data
1270 statement like "data a/5*10/". */
1275 typedef struct iterator_stack
1277 gfc_symtree
*variable
;
1279 struct iterator_stack
*prev
;
1282 extern iterator_stack
*iter_stack
;
1284 /************************ Function prototypes *************************/
1287 void gfc_formalize_init_value (gfc_symbol
*);
1288 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1289 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1290 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1293 void gfc_scanner_done_1 (void);
1294 void gfc_scanner_init_1 (void);
1296 void gfc_add_include_path (const char *);
1297 void gfc_release_include_path (void);
1298 FILE *gfc_open_included_file (const char *);
1300 int gfc_at_end (void);
1301 int gfc_at_eof (void);
1302 int gfc_at_bol (void);
1303 int gfc_at_eol (void);
1304 void gfc_advance_line (void);
1305 int gfc_check_include (void);
1307 void gfc_skip_comments (void);
1308 int gfc_next_char_literal (int);
1309 int gfc_next_char (void);
1310 int gfc_peek_char (void);
1311 void gfc_error_recovery (void);
1312 void gfc_gobble_whitespace (void);
1313 try gfc_new_file (const char *, gfc_source_form
);
1315 extern gfc_source_form gfc_current_form
;
1316 extern char *gfc_source_file
;
1317 extern locus gfc_current_locus
;
1320 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1321 void gfc_free (void *);
1322 int gfc_terminal_width(void);
1323 void gfc_clear_ts (gfc_typespec
*);
1324 FILE *gfc_open_file (const char *);
1325 const char *gfc_article (const char *);
1326 const char *gfc_basic_typename (bt
);
1327 const char *gfc_typename (gfc_typespec
*);
1329 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1330 "=" : gfc_code2string (intrinsic_operators, OP))
1332 const char *gfc_code2string (const mstring
*, int);
1333 int gfc_string2code (const mstring
*, const char *);
1334 const char *gfc_intent_string (sym_intent
);
1336 void gfc_init_1 (void);
1337 void gfc_init_2 (void);
1338 void gfc_done_1 (void);
1339 void gfc_done_2 (void);
1342 unsigned int gfc_init_options (unsigned int, const char **);
1343 int gfc_handle_option (size_t, const char *, int);
1344 bool gfc_post_options (const char **);
1347 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1348 void gfc_iresolve_init_1 (void);
1349 void gfc_iresolve_done_1 (void);
1353 typedef struct gfc_error_buf
1356 char message
[MAX_ERROR_MESSAGE
];
1359 void gfc_error_init_1 (void);
1360 void gfc_buffer_error (int);
1362 void gfc_warning (const char *, ...);
1363 void gfc_warning_now (const char *, ...);
1364 void gfc_clear_warning (void);
1365 void gfc_warning_check (void);
1367 void gfc_error (const char *, ...);
1368 void gfc_error_now (const char *, ...);
1369 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1370 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1371 void gfc_clear_error (void);
1372 int gfc_error_check (void);
1374 try gfc_notify_std (int, const char *, ...);
1376 /* A general purpose syntax error. */
1377 #define gfc_syntax_error(ST) \
1378 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1380 void gfc_push_error (gfc_error_buf
*);
1381 void gfc_pop_error (gfc_error_buf
*);
1383 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1384 void gfc_status_char (char);
1386 void gfc_get_errors (int *, int *);
1389 void gfc_arith_init_1 (void);
1390 void gfc_arith_done_1 (void);
1392 /* FIXME: These should go to symbol.c, really... */
1393 int gfc_default_integer_kind (void);
1394 int gfc_default_real_kind (void);
1395 int gfc_default_double_kind (void);
1396 int gfc_default_character_kind (void);
1397 int gfc_default_logical_kind (void);
1398 int gfc_default_complex_kind (void);
1399 int gfc_validate_kind (bt
, int);
1400 extern int gfc_index_integer_kind
;
1403 void gfc_clear_new_implicit (void);
1404 try gfc_add_new_implicit_range (int, int, gfc_typespec
*);
1405 try gfc_merge_new_implicit (void);
1406 void gfc_set_implicit_none (void);
1407 void gfc_set_implicit (void);
1409 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1410 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1412 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1413 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1415 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1417 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1418 try gfc_add_dimension (symbol_attribute
*, locus
*);
1419 try gfc_add_external (symbol_attribute
*, locus
*);
1420 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1421 try gfc_add_optional (symbol_attribute
*, locus
*);
1422 try gfc_add_pointer (symbol_attribute
*, locus
*);
1423 try gfc_add_result (symbol_attribute
*, locus
*);
1424 try gfc_add_save (symbol_attribute
*, locus
*);
1425 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1426 try gfc_add_target (symbol_attribute
*, locus
*);
1427 try gfc_add_dummy (symbol_attribute
*, locus
*);
1428 try gfc_add_generic (symbol_attribute
*, locus
*);
1429 try gfc_add_common (symbol_attribute
*, locus
*);
1430 try gfc_add_in_common (symbol_attribute
*, locus
*);
1431 try gfc_add_in_namelist (symbol_attribute
*, locus
*);
1432 try gfc_add_sequence (symbol_attribute
*, locus
*);
1433 try gfc_add_elemental (symbol_attribute
*, locus
*);
1434 try gfc_add_pure (symbol_attribute
*, locus
*);
1435 try gfc_add_recursive (symbol_attribute
*, locus
*);
1436 try gfc_add_function (symbol_attribute
*, locus
*);
1437 try gfc_add_subroutine (symbol_attribute
*, locus
*);
1439 try gfc_add_access (symbol_attribute
*, gfc_access
, locus
*);
1440 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, locus
*);
1441 try gfc_add_entry (symbol_attribute
*, locus
*);
1442 try gfc_add_procedure (symbol_attribute
*, procedure_type
, locus
*);
1443 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1444 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1445 gfc_formal_arglist
*, locus
*);
1446 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1448 void gfc_clear_attr (symbol_attribute
*);
1449 try gfc_missing_attr (symbol_attribute
*, locus
*);
1450 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1452 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1453 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1454 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1455 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1457 gfc_st_label
*gfc_get_st_label (int);
1458 void gfc_free_st_label (gfc_st_label
*);
1459 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1460 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1462 gfc_namespace
*gfc_get_namespace (gfc_namespace
*);
1463 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1464 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1465 gfc_user_op
*gfc_get_uop (const char *);
1466 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1467 void gfc_free_symbol (gfc_symbol
*);
1468 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1469 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1470 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1471 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1472 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1473 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1474 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1476 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1478 void gfc_undo_symbols (void);
1479 void gfc_commit_symbols (void);
1480 void gfc_free_namespace (gfc_namespace
*);
1482 void gfc_symbol_init_2 (void);
1483 void gfc_symbol_done_2 (void);
1485 void gfc_traverse_symtree (gfc_namespace
*, void (*)(gfc_symtree
*));
1486 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1487 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1488 void gfc_save_all (gfc_namespace
*);
1490 void gfc_symbol_state (void);
1493 extern int gfc_init_expr
;
1495 /* Given a symbol that we have decided is intrinsic, mark it as such
1496 by placing it into a special module that is otherwise impossible to
1499 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1501 void gfc_intrinsic_init_1 (void);
1502 void gfc_intrinsic_done_1 (void);
1504 char gfc_type_letter (bt
);
1505 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1506 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1507 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1508 int gfc_generic_intrinsic (const char *);
1509 int gfc_specific_intrinsic (const char *);
1510 int gfc_intrinsic_name (const char *, int);
1511 gfc_intrinsic_sym
*gfc_find_function (const char *);
1513 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1514 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1517 void gfc_simplify_init_1 (void);
1518 void gfc_simplify_done_1 (void);
1520 /* match.c -- FIXME */
1521 void gfc_free_iterator (gfc_iterator
*, int);
1522 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1523 void gfc_free_alloc_list (gfc_alloc
*);
1524 void gfc_free_namelist (gfc_namelist
*);
1525 void gfc_free_equiv (gfc_equiv
*);
1526 void gfc_free_data (gfc_data
*);
1527 void gfc_free_case_list (gfc_case
*);
1530 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1531 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1532 const char *gfc_extract_int (gfc_expr
*, int *);
1534 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1535 void gfc_free_ref_list (gfc_ref
*);
1536 void gfc_type_convert_binary (gfc_expr
*);
1537 int gfc_is_constant_expr (gfc_expr
*);
1538 try gfc_simplify_expr (gfc_expr
*, int);
1540 gfc_expr
*gfc_get_expr (void);
1541 void gfc_free_expr (gfc_expr
*);
1542 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1543 gfc_expr
*gfc_int_expr (int);
1544 gfc_expr
*gfc_logical_expr (int, locus
*);
1545 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1546 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1548 try gfc_specification_expr (gfc_expr
*);
1550 int gfc_numeric_ts (gfc_typespec
*);
1551 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1553 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1554 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1555 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1556 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1558 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1561 extern gfc_code new_st
;
1563 void gfc_clear_new_st (void);
1564 gfc_code
*gfc_get_code (void);
1565 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1566 void gfc_free_statement (gfc_code
*);
1567 void gfc_free_statements (gfc_code
*);
1570 try gfc_resolve_expr (gfc_expr
*);
1571 void gfc_resolve (gfc_namespace
*);
1572 int gfc_impure_variable (gfc_symbol
*);
1573 int gfc_pure (gfc_symbol
*);
1574 int gfc_elemental (gfc_symbol
*);
1575 try gfc_resolve_iterator (gfc_iterator
*);
1576 try gfc_resolve_index (gfc_expr
*, int);
1579 void gfc_free_array_spec (gfc_array_spec
*);
1580 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1582 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1583 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1584 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1586 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1588 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1589 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1590 void gfc_free_constructor (gfc_constructor
*);
1591 void gfc_simplify_iterator_var (gfc_expr
*);
1592 try gfc_expand_constructor (gfc_expr
*);
1593 int gfc_constant_ac (gfc_expr
*);
1594 int gfc_expanded_ac (gfc_expr
*);
1595 try gfc_resolve_array_constructor (gfc_expr
*);
1596 try gfc_check_constructor_type (gfc_expr
*);
1597 try gfc_check_iter_variable (gfc_expr
*);
1598 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1599 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1600 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1601 try gfc_array_size (gfc_expr
*, mpz_t
*);
1602 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1603 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1604 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1605 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1606 gfc_constructor
*gfc_get_constructor (void);
1607 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1608 try spec_size (gfc_array_spec
*, mpz_t
*);
1610 /* interface.c -- FIXME: some of these should be in symbol.c */
1611 void gfc_free_interface (gfc_interface
*);
1612 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1613 void gfc_check_interfaces (gfc_namespace
*);
1614 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1615 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1616 gfc_actual_arglist
**);
1617 try gfc_extend_expr (gfc_expr
*);
1618 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1619 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1620 try gfc_add_interface (gfc_symbol
* sym
);
1623 extern gfc_st_label format_asterisk
;
1625 void gfc_free_open (gfc_open
*);
1626 try gfc_resolve_open (gfc_open
*);
1627 void gfc_free_close (gfc_close
*);
1628 try gfc_resolve_close (gfc_close
*);
1629 void gfc_free_filepos (gfc_filepos
*);
1630 try gfc_resolve_filepos (gfc_filepos
*);
1631 void gfc_free_inquire (gfc_inquire
*);
1632 try gfc_resolve_inquire (gfc_inquire
*);
1633 void gfc_free_dt (gfc_dt
*);
1634 try gfc_resolve_dt (gfc_dt
*);
1637 void gfc_module_init_2 (void);
1638 void gfc_module_done_2 (void);
1639 void gfc_dump_module (const char *, int);
1642 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1643 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1646 void gfc_generate_code (gfc_namespace
*);
1647 void gfc_generate_module_code (gfc_namespace
*);
1650 typedef int (*compare_fn
) (void *, void *);
1651 void gfc_insert_bbt (void *, void *, compare_fn
);
1652 void gfc_delete_bbt (void *, void *, compare_fn
);
1654 /* dump-parse-tree.c */
1655 void gfc_show_namespace (gfc_namespace
*);
1658 try gfc_parse_file (void);
1660 #endif /* GFC_GFC_H */