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_VERSION "0.23"
62 #define GFC_MAX_SYMBOL_LEN 63
63 #define GFC_REAL_BITS 100 /* Number of bits in g95's floating point numbers. */
64 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
65 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
66 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
67 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
69 #define free(x) Use_gfc_free_instead_of_free()
70 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
73 #define NULL ((void *) 0)
77 #define stringize(x) expand_macro(x)
78 #define expand_macro(x) # x
80 /* For a the runtime library, a standard prefix is a requirement to
81 avoid cluttering the namespace with things nobody asked for. It's
82 ugly to look at and a pain to type when you add the prefix by hand,
83 so we hide it behind a macro. */
84 #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
,
352 GFC_ISYM_SET_EXPONENT
,
374 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
376 /************************* Structures *****************************/
378 /* Symbol attribute structure. */
381 /* Variable attributes. */
382 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
383 optional
:1, pointer
:1, save
:1, target
:1,
384 dummy
:1, common
:1, result
:1, entry
:1, assign
:1;
386 unsigned data
:1, /* Symbol is named in a DATA statement. */
387 use_assoc
:1; /* Symbol has been use-associated. */
389 unsigned in_namelist
:1, in_common
:1, saved_common
:1;
390 unsigned function
:1, subroutine
:1, generic
:1;
391 unsigned implicit_type
:1; /* Type defined via implicit rules */
393 /* Function/subroutine attributes */
394 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
395 unsigned unmaskable
:1, masked
:1, contained
:1;
397 /* Set if a function must always be referenced by an explicit interface. */
398 unsigned always_explicit
:1;
400 /* Set if the symbol has been referenced in an expression. No further
401 modification of type or type parameters is permitted. */
402 unsigned referenced
:1;
404 /* Mutually exclusive multibit attributes. */
410 procedure_type proc
:3;
416 /* The following three structures are used to identify a location in
419 gfc_file is used to maintain a tree of the source files and how
420 they include each other
422 gfc_linebuf holds a single line of source code and information
423 which file it resides in
425 locus point to the sourceline and the character in the source
429 typedef struct gfc_file
431 struct gfc_file
*included_by
, *next
, *up
;
432 int inclusion_line
, line
;
436 typedef struct gfc_linebuf
439 struct gfc_file
*file
;
440 struct gfc_linebuf
*next
;
454 # include <sys/param.h>
455 # define PATH_MAX MAXPATHLEN
459 extern int gfc_suppress_error
;
462 /* Character length structures hold the expression that gives the
463 length of a character variable. We avoid putting these into
464 gfc_typespec because doing so prevents us from doing structure
465 copies and forces us to deallocate any typespecs we create, as well
466 as structures that contain typespecs. They also can have multiple
467 character typespecs pointing to them.
469 These structures form a singly linked list within the current
470 namespace and are deallocated with the namespace. It is possible to
471 end up with gfc_charlen structures that have nothing pointing to them. */
473 typedef struct gfc_charlen
475 struct gfc_expr
*length
;
476 struct gfc_charlen
*next
;
481 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
483 /* Type specification structure. FIXME: derived and cl could be union??? */
488 struct gfc_symbol
*derived
;
489 gfc_charlen
*cl
; /* For character types only. */
493 /* Array specification. */
496 int rank
; /* A rank of zero means that a variable is a scalar. */
498 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
502 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
505 /* Components of derived types. */
506 typedef struct gfc_component
508 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
511 int pointer
, dimension
;
516 struct gfc_expr
*initializer
;
517 struct gfc_component
*next
;
521 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
523 /* Formal argument lists are lists of symbols. */
524 typedef struct gfc_formal_arglist
526 struct gfc_symbol
*sym
;
527 struct gfc_formal_arglist
*next
;
531 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
534 /* The gfc_actual_arglist structure is for actual arguments. */
535 typedef struct gfc_actual_arglist
537 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
538 /* Alternate return label when the expr member is null. */
539 struct gfc_st_label
*label
;
541 struct gfc_expr
*expr
;
542 struct gfc_actual_arglist
*next
;
546 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
549 /* Because a symbol can belong to multiple namelists, they must be
550 linked externally to the symbol itself. */
551 typedef struct gfc_namelist
553 struct gfc_symbol
*sym
;
554 struct gfc_namelist
*next
;
558 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
561 /* The gfc_st_label structure is a doubly linked list attached to a
562 namespace that records the usage of statement labels within that
564 /* TODO: Make format/statement specifics a union. */
565 typedef struct gfc_st_label
569 gfc_sl_type defined
, referenced
;
571 struct gfc_expr
*format
;
577 struct gfc_st_label
*prev
, *next
;
582 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
583 typedef struct gfc_interface
585 struct gfc_symbol
*sym
;
587 struct gfc_interface
*next
;
591 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
594 /* User operator nodes. These are like stripped down symbols. */
597 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
599 gfc_interface
*operator;
600 struct gfc_namespace
*ns
;
605 /* Symbol nodes. These are important things. They are what the
606 standard refers to as "entities". The possibly multiple names that
607 refer to the same entity are accomplished by a binary tree of
608 symtree structures that is balanced by the red-black method-- more
609 than one symtree node can point to any given symbol. */
611 typedef struct gfc_symbol
613 char name
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Primary name, before renaming */
614 char module
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Module this symbol came from */
618 symbol_attribute attr
;
620 /* The interface member points to the formal argument list if the
621 symbol is a function or subroutine name. If the symbol is a
622 generic name, the generic member points to the list of
625 gfc_interface
*generic
;
626 gfc_access component_access
;
628 gfc_formal_arglist
*formal
;
629 struct gfc_namespace
*formal_ns
;
631 struct gfc_expr
*value
; /* Parameter/Initializer value */
633 struct gfc_symbol
*result
; /* function result symbol */
634 gfc_component
*components
; /* Derived type components */
636 /* TODO: These three fields are mutually exclusive. */
637 struct gfc_symbol
*common_head
, *common_next
; /* Links for COMMON syms */
638 /* Make sure setup code for dummy arguments is generated in the correct
642 gfc_namelist
*namelist
, *namelist_tail
;
644 /* Change management fields. Symbols that might be modified by the
645 current statement have the mark member nonzero and are kept in a
646 singly linked list through the tlink field. Of these symbols,
647 symbols with old_symbol equal to NULL are symbols created within
648 the current statement. Otherwise, old_symbol points to a copy of
651 struct gfc_symbol
*old_symbol
, *tlink
;
652 unsigned mark
:1, new:1;
654 struct gfc_namespace
*ns
; /* namespace containing this symbol */
662 /* Within a namespace, symbols are pointed to by symtree nodes that
663 are linked together in a balanced binary tree. There can be
664 several symtrees pointing to the same symbol node via USE
667 #define BBT_HEADER(self) int priority; struct self *left, *right
669 typedef struct gfc_symtree
671 BBT_HEADER (gfc_symtree
);
672 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
676 gfc_symbol
*sym
; /* Symbol associated with this node */
685 typedef struct gfc_namespace
687 gfc_symtree
*sym_root
, *uop_root
; /* Roots of the red/black symbol trees */
689 int set_flag
[GFC_LETTERS
];
690 gfc_typespec default_type
[GFC_LETTERS
]; /* IMPLICIT typespecs */
692 struct gfc_symbol
*proc_name
;
693 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
694 struct gfc_namespace
*parent
, *contained
, *sibling
;
695 struct gfc_code
*code
;
696 gfc_symbol
*blank_common
;
697 struct gfc_equiv
*equiv
;
698 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
700 gfc_st_label
*st_labels
;
701 struct gfc_data
*data
;
703 gfc_charlen
*cl_list
;
705 int save_all
, seen_save
;
709 extern gfc_namespace
*gfc_current_ns
;
712 /* Information on interfaces being built. */
723 extern gfc_interface_info current_interface
;
726 /* Array reference. */
727 typedef struct gfc_array_ref
730 int dimen
; /* # of components in the reference */
734 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
735 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
736 *stride
[GFC_MAX_DIMENSIONS
];
739 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
740 dimen_type
[GFC_MAX_DIMENSIONS
];
742 struct gfc_expr
*offset
;
746 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
749 /* Component reference nodes. A variable is stored as an expression
750 node that points to the base symbol. After that, a singly linked
751 list of component reference nodes gives the variable's complete
752 resolution. The array_ref component may be present and comes
753 before the component component. */
756 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
759 typedef struct gfc_ref
765 struct gfc_array_ref ar
;
769 gfc_component
*component
;
776 struct gfc_expr
*start
, *end
; /* Substring */
784 struct gfc_ref
*next
;
788 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
791 /* Structures representing intrinsic symbols and their arguments lists. */
792 typedef struct gfc_intrinsic_arg
794 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
798 gfc_actual_arglist
*actual
;
800 struct gfc_intrinsic_arg
*next
;
808 try (*f1
)(struct gfc_expr
*);
809 try (*f1m
)(gfc_actual_arglist
*);
810 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
811 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
812 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
814 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
815 struct gfc_expr
*, struct gfc_expr
*);
822 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
823 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
824 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
826 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
827 struct gfc_expr
*, struct gfc_expr
*);
828 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
829 struct gfc_expr
*, struct gfc_expr
*,
831 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
838 void (*f0
)(struct gfc_expr
*);
839 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
840 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
841 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
842 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
844 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
845 struct gfc_expr
*, struct gfc_expr
*);
846 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
847 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
848 void (*s1
)(struct gfc_code
*);
853 typedef struct gfc_intrinsic_sym
855 char name
[GFC_MAX_SYMBOL_LEN
+ 1], lib_name
[GFC_MAX_SYMBOL_LEN
+ 1];
856 gfc_intrinsic_arg
*formal
;
858 int elemental
, pure
, generic
, specific
, actual_ok
;
860 gfc_simplify_f simplify
;
862 gfc_resolve_f resolve
;
863 struct gfc_intrinsic_sym
*specific_head
, *next
;
864 gfc_generic_isym_id generic_id
;
870 /* Expression nodes. The expression node types deserve explanations,
871 since the last couple can be easily misconstrued:
873 EXPR_OP Operator node pointing to one or two other nodes
874 EXPR_FUNCTION Function call, symbol points to function's name
875 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
876 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
877 which expresses structure, array and substring refs.
878 EXPR_NULL The NULL pointer value (which also has a basic type).
879 EXPR_SUBSTRING A substring of a constant string
880 EXPR_STRUCTURE A structure constructor
881 EXPR_ARRAY An array constructor. */
885 typedef struct gfc_expr
889 gfc_typespec ts
; /* These two refer to the overall expression */
892 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
894 gfc_intrinsic_op
operator;
896 /* Nonnull for functions and structure constructors */
897 gfc_symtree
*symtree
;
902 struct gfc_expr
*op1
, *op2
;
919 gfc_actual_arglist
*actual
;
920 char *name
; /* Points to the ultimate name of the function */
921 gfc_intrinsic_sym
*isym
;
933 struct gfc_constructor
*constructor
;
941 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem(rank*sizeof(mpz_t)))
943 /* Structures for information associated with different kinds of
944 numbers. The first set of integer parameters define all there is
945 to know about a particular kind. The rest of the elements are
946 computed from the first elements. */
950 int kind
, radix
, digits
, bit_size
;
955 mpz_t min_int
, max_int
; /* Values really representable by the target */
959 extern gfc_integer_info gfc_integer_kinds
[];
969 extern gfc_logical_info gfc_logical_kinds
[];
974 int kind
, radix
, digits
, min_exponent
, max_exponent
;
976 int range
, precision
;
977 mpf_t epsilon
, huge
, tiny
;
981 extern gfc_real_info gfc_real_kinds
[];
984 /* Equivalence structures. Equivalent lvalues are linked along the
985 *eq pointer, equivalence sets are strung along the *next node. */
986 typedef struct gfc_equiv
988 struct gfc_equiv
*next
, *eq
;
994 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
997 /* gfc_case stores the selector list of a case statement. The *low
998 and *high pointers can point to the same expression in the case of
999 a single value. If *high is NULL, the selection is from *low
1000 upwards, if *low is NULL the selection is *high downwards.
1002 This structure has separate fields to allow singe and double linked
1003 lists of CASEs the same time. The singe linked list along the NEXT
1004 field is a list of cases for a single CASE label. The double linked
1005 list along the LEFT/RIGHT fields is used to detect overlap and to
1006 build a table of the cases for SELECT constructs with a CHARACTER
1009 typedef struct gfc_case
1011 /* Where we saw this case. */
1015 /* Case range values. If (low == high), it's a single value. If one of
1016 the labels is NULL, it's an unbounded case. If both are NULL, this
1017 represents the default case. */
1018 gfc_expr
*low
, *high
;
1020 /* Next case label in the list of cases for a single CASE label. */
1021 struct gfc_case
*next
;
1023 /* Used for detecting overlap, and for code generation. */
1024 struct gfc_case
*left
, *right
;
1026 /* True if this case label can never be matched. */
1031 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1036 gfc_expr
*var
, *start
, *end
, *step
;
1040 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1043 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1045 typedef struct gfc_alloc
1048 struct gfc_alloc
*next
;
1052 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1057 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1058 *blank
, *position
, *action
, *delim
, *pad
, *iostat
;
1066 gfc_expr
*unit
, *status
, *iostat
;
1074 gfc_expr
*unit
, *iostat
;
1082 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1083 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1084 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1085 *write
, *readwrite
, *delim
, *pad
, *iolength
;
1095 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
;
1097 gfc_symbol
*namelist
;
1098 /* A format_label of `format_asterisk' indicates the "*" format */
1099 gfc_st_label
*format_label
;
1100 gfc_st_label
*err
, *end
, *eor
;
1102 locus eor_where
, end_where
;
1107 typedef struct gfc_forall_iterator
1109 gfc_expr
*var
, *start
, *end
, *stride
;
1110 struct gfc_forall_iterator
*next
;
1112 gfc_forall_iterator
;
1115 /* Executable statements that fill gfc_code structures. */
1118 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1119 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1120 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1121 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1122 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1123 EXEC_OPEN
, EXEC_CLOSE
,
1124 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1125 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
1129 typedef struct gfc_code
1133 struct gfc_code
*block
, *next
;
1136 gfc_st_label
*here
, *label
, *label2
, *label3
;
1137 gfc_symtree
*symtree
;
1138 gfc_expr
*expr
, *expr2
;
1139 /* A name isn't sufficient to identify a subroutine, we need the actual
1140 symbol for the interface definition.
1141 const char *sub_name; */
1142 gfc_symbol
*resolved_sym
;
1146 gfc_actual_arglist
*actual
;
1147 gfc_case
*case_list
;
1148 gfc_iterator
*iterator
;
1149 gfc_alloc
*alloc_list
;
1152 gfc_filepos
*filepos
;
1153 gfc_inquire
*inquire
;
1155 gfc_forall_iterator
*forall_iterator
;
1156 struct gfc_code
*whichloop
;
1159 ext
; /* Points to additional structures required by statement */
1161 /* Backend_decl is used for cycle and break labels in do loops, and
1162 * probably for other constructs as well, once we translate them. */
1168 /* Storage for DATA statements. */
1169 typedef struct gfc_data_variable
1173 struct gfc_data_variable
*list
, *next
;
1178 typedef struct gfc_data_value
1183 struct gfc_data_value
*next
;
1188 typedef struct gfc_data
1190 gfc_data_variable
*var
;
1191 gfc_data_value
*value
;
1194 struct gfc_data
*next
;
1198 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1199 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1200 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1203 /* Structure for holding compile options */
1208 gfc_source_form source_form
;
1209 int fixed_line_length
;
1210 int max_identifier_length
;
1214 int warn_conversion
;
1215 int warn_implicit_interface
;
1216 int warn_line_truncation
;
1217 int warn_surprising
;
1218 int warn_unused_labels
;
1221 int flag_underscoring
;
1222 int flag_second_underscore
;
1223 int flag_implicit_none
;
1224 int flag_max_stack_var_size
;
1225 int flag_module_access_private
;
1226 int flag_no_backend
;
1227 int flag_pack_derived
;
1228 int flag_repack_arrays
;
1239 extern gfc_option_t gfc_option
;
1242 /* Constructor nodes for array and structure constructors. */
1243 typedef struct gfc_constructor
1246 gfc_iterator
*iterator
;
1248 struct gfc_constructor
*next
;
1251 mpz_t offset
; /* Record the offset of array element which appears in
1252 data statement like "data a(5)/4/". */
1253 gfc_component
*component
; /* Record the component being initialized. */
1256 mpz_t repeat
; /* Record the repeat number of initial values in data
1257 statement like "data a/5*10/". */
1262 typedef struct iterator_stack
1264 gfc_symtree
*variable
;
1266 struct iterator_stack
*prev
;
1269 extern iterator_stack
*iter_stack
;
1271 /************************ Function prototypes *************************/
1274 void gfc_formalize_init_value (gfc_symbol
*);
1275 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1276 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1277 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1280 void gfc_scanner_done_1 (void);
1281 void gfc_scanner_init_1 (void);
1283 void gfc_add_include_path (const char *);
1284 void gfc_release_include_path (void);
1285 FILE *gfc_open_included_file (const char *);
1287 locus
*gfc_current_locus (void);
1288 void gfc_set_locus (locus
*);
1290 int gfc_at_end (void);
1291 int gfc_at_eof (void);
1292 int gfc_at_bol (void);
1293 int gfc_at_eol (void);
1294 void gfc_advance_line (void);
1295 int gfc_check_include (void);
1297 void gfc_skip_comments (void);
1298 int gfc_next_char_literal (int);
1299 int gfc_next_char (void);
1300 int gfc_peek_char (void);
1301 void gfc_error_recovery (void);
1302 void gfc_gobble_whitespace (void);
1303 try gfc_new_file (const char *, gfc_source_form
);
1305 extern gfc_source_form gfc_current_form
;
1306 extern char *gfc_source_file
;
1307 /* extern locus gfc_current_locus; */
1310 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1311 void gfc_free (void *);
1312 int gfc_terminal_width(void);
1313 void gfc_clear_ts (gfc_typespec
*);
1314 FILE *gfc_open_file (const char *);
1315 const char *gfc_article (const char *);
1316 const char *gfc_basic_typename (bt
);
1317 const char *gfc_typename (gfc_typespec
*);
1319 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1320 "=" : gfc_code2string (intrinsic_operators, OP))
1322 const char *gfc_code2string (const mstring
*, int);
1323 int gfc_string2code (const mstring
*, const char *);
1324 const char *gfc_intent_string (sym_intent
);
1326 void gfc_init_1 (void);
1327 void gfc_init_2 (void);
1328 void gfc_done_1 (void);
1329 void gfc_done_2 (void);
1332 unsigned int gfc_init_options (unsigned int, const char **);
1333 int gfc_handle_option (size_t, const char *, int);
1334 bool gfc_post_options (const char **);
1337 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1338 void gfc_iresolve_init_1 (void);
1339 void gfc_iresolve_done_1 (void);
1343 typedef struct gfc_error_buf
1346 char message
[MAX_ERROR_MESSAGE
];
1349 void gfc_error_init_1 (void);
1350 void gfc_buffer_error (int);
1352 void gfc_warning (const char *, ...);
1353 void gfc_warning_now (const char *, ...);
1354 void gfc_clear_warning (void);
1355 void gfc_warning_check (void);
1357 void gfc_error (const char *, ...);
1358 void gfc_error_now (const char *, ...);
1359 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1360 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1361 void gfc_clear_error (void);
1362 int gfc_error_check (void);
1364 try gfc_notify_std (int, const char *, ...);
1366 /* A general purpose syntax error. */
1367 #define gfc_syntax_error(ST) \
1368 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1370 void gfc_push_error (gfc_error_buf
*);
1371 void gfc_pop_error (gfc_error_buf
*);
1373 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1374 void gfc_status_char (char);
1376 void gfc_get_errors (int *, int *);
1379 void gfc_arith_init_1 (void);
1380 void gfc_arith_done_1 (void);
1382 /* FIXME: These should go to symbol.c, really... */
1383 int gfc_default_integer_kind (void);
1384 int gfc_default_real_kind (void);
1385 int gfc_default_double_kind (void);
1386 int gfc_default_character_kind (void);
1387 int gfc_default_logical_kind (void);
1388 int gfc_default_complex_kind (void);
1389 int gfc_validate_kind (bt
, int);
1390 extern int gfc_index_integer_kind
;
1393 void gfc_clear_new_implicit (void);
1394 try gfc_add_new_implicit_range (int, int, gfc_typespec
*);
1395 try gfc_merge_new_implicit (void);
1396 void gfc_set_implicit_none (void);
1397 void gfc_set_implicit (void);
1399 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1400 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1402 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1403 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1405 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1407 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1408 try gfc_add_dimension (symbol_attribute
*, locus
*);
1409 try gfc_add_external (symbol_attribute
*, locus
*);
1410 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1411 try gfc_add_optional (symbol_attribute
*, locus
*);
1412 try gfc_add_pointer (symbol_attribute
*, locus
*);
1413 try gfc_add_result (symbol_attribute
*, locus
*);
1414 try gfc_add_save (symbol_attribute
*, locus
*);
1415 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1416 try gfc_add_target (symbol_attribute
*, locus
*);
1417 try gfc_add_dummy (symbol_attribute
*, locus
*);
1418 try gfc_add_generic (symbol_attribute
*, locus
*);
1419 try gfc_add_common (symbol_attribute
*, locus
*);
1420 try gfc_add_in_common (symbol_attribute
*, locus
*);
1421 try gfc_add_in_namelist (symbol_attribute
*, locus
*);
1422 try gfc_add_sequence (symbol_attribute
*, locus
*);
1423 try gfc_add_elemental (symbol_attribute
*, locus
*);
1424 try gfc_add_pure (symbol_attribute
*, locus
*);
1425 try gfc_add_recursive (symbol_attribute
*, locus
*);
1426 try gfc_add_function (symbol_attribute
*, locus
*);
1427 try gfc_add_subroutine (symbol_attribute
*, locus
*);
1429 try gfc_add_access (symbol_attribute
*, gfc_access
, locus
*);
1430 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, locus
*);
1431 try gfc_add_entry (symbol_attribute
*, locus
*);
1432 try gfc_add_procedure (symbol_attribute
*, procedure_type
, locus
*);
1433 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1434 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1435 gfc_formal_arglist
*, locus
*);
1436 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1438 void gfc_clear_attr (symbol_attribute
*);
1439 try gfc_missing_attr (symbol_attribute
*, locus
*);
1440 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1442 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1443 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1444 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1445 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1447 gfc_st_label
*gfc_get_st_label (int);
1448 void gfc_free_st_label (gfc_st_label
*);
1449 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1450 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1452 gfc_namespace
*gfc_get_namespace (gfc_namespace
*);
1453 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1454 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1455 gfc_user_op
*gfc_get_uop (const char *);
1456 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1457 void gfc_free_symbol (gfc_symbol
*);
1458 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1459 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1460 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1461 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1462 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1463 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1464 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1466 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1468 void gfc_undo_symbols (void);
1469 void gfc_commit_symbols (void);
1470 void gfc_free_namespace (gfc_namespace
*);
1472 void gfc_symbol_init_2 (void);
1473 void gfc_symbol_done_2 (void);
1475 void gfc_traverse_symtree (gfc_namespace
*, void (*)(gfc_symtree
*));
1476 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1477 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1478 void gfc_save_all (gfc_namespace
*);
1480 void gfc_symbol_state (void);
1483 extern int gfc_init_expr
;
1485 /* Given a symbol that we have decided is intrinsic, mark it as such
1486 by placing it into a special module that is otherwise impossible to
1489 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1491 void gfc_intrinsic_init_1 (void);
1492 void gfc_intrinsic_done_1 (void);
1494 char gfc_type_letter (bt
);
1495 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1496 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1497 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1498 int gfc_generic_intrinsic (const char *);
1499 int gfc_specific_intrinsic (const char *);
1500 int gfc_intrinsic_name (const char *, int);
1501 gfc_intrinsic_sym
*gfc_find_function (const char *);
1503 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1504 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1507 void gfc_simplify_init_1 (void);
1508 void gfc_simplify_done_1 (void);
1510 /* match.c -- FIXME */
1511 void gfc_free_iterator (gfc_iterator
*, int);
1512 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1513 void gfc_free_alloc_list (gfc_alloc
*);
1514 void gfc_free_namelist (gfc_namelist
*);
1515 void gfc_free_equiv (gfc_equiv
*);
1516 void gfc_free_data (gfc_data
*);
1517 void gfc_free_case_list (gfc_case
*);
1520 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1521 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1522 const char *gfc_extract_int (gfc_expr
*, int *);
1524 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1525 void gfc_free_ref_list (gfc_ref
*);
1526 void gfc_type_convert_binary (gfc_expr
*);
1527 int gfc_is_constant_expr (gfc_expr
*);
1528 try gfc_simplify_expr (gfc_expr
*, int);
1530 gfc_expr
*gfc_get_expr (void);
1531 void gfc_free_expr (gfc_expr
*);
1532 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1533 gfc_expr
*gfc_int_expr (int);
1534 gfc_expr
*gfc_logical_expr (int, locus
*);
1535 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1536 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1538 try gfc_specification_expr (gfc_expr
*);
1540 int gfc_numeric_ts (gfc_typespec
*);
1541 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1543 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1544 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1545 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1546 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1548 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1551 extern gfc_code new_st
;
1553 void gfc_clear_new_st (void);
1554 gfc_code
*gfc_get_code (void);
1555 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1556 void gfc_free_statement (gfc_code
*);
1557 void gfc_free_statements (gfc_code
*);
1560 try gfc_resolve_expr (gfc_expr
*);
1561 void gfc_resolve (gfc_namespace
*);
1562 int gfc_impure_variable (gfc_symbol
*);
1563 int gfc_pure (gfc_symbol
*);
1564 int gfc_elemental (gfc_symbol
*);
1565 try gfc_resolve_iterator (gfc_iterator
*);
1566 try gfc_resolve_index (gfc_expr
*, int);
1569 void gfc_free_array_spec (gfc_array_spec
*);
1570 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1572 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1573 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1574 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1576 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1578 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1579 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1580 void gfc_free_constructor (gfc_constructor
*);
1581 void gfc_simplify_iterator_var (gfc_expr
*);
1582 try gfc_expand_constructor (gfc_expr
*);
1583 int gfc_constant_ac (gfc_expr
*);
1584 int gfc_expanded_ac (gfc_expr
*);
1585 try gfc_resolve_array_constructor (gfc_expr
*);
1586 try gfc_check_constructor_type (gfc_expr
*);
1587 try gfc_check_iter_variable (gfc_expr
*);
1588 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1589 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1590 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1591 try gfc_array_size (gfc_expr
*, mpz_t
*);
1592 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1593 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1594 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1595 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1596 gfc_constructor
*gfc_get_constructor (void);
1597 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1598 try spec_size (gfc_array_spec
*, mpz_t
*);
1600 /* interface.c -- FIXME: some of these should be in symbol.c */
1601 void gfc_free_interface (gfc_interface
*);
1602 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1603 void gfc_check_interfaces (gfc_namespace
*);
1604 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1605 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1606 gfc_actual_arglist
**);
1607 try gfc_extend_expr (gfc_expr
*);
1608 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1609 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1610 try gfc_add_interface (gfc_symbol
* sym
);
1613 extern gfc_st_label format_asterisk
;
1615 void gfc_free_open (gfc_open
*);
1616 try gfc_resolve_open (gfc_open
*);
1617 void gfc_free_close (gfc_close
*);
1618 try gfc_resolve_close (gfc_close
*);
1619 void gfc_free_filepos (gfc_filepos
*);
1620 try gfc_resolve_filepos (gfc_filepos
*);
1621 void gfc_free_inquire (gfc_inquire
*);
1622 try gfc_resolve_inquire (gfc_inquire
*);
1623 void gfc_free_dt (gfc_dt
*);
1624 try gfc_resolve_dt (gfc_dt
*);
1627 void gfc_module_init_2 (void);
1628 void gfc_module_done_2 (void);
1629 void gfc_dump_module (const char *, int);
1632 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1633 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1636 void gfc_generate_code (gfc_namespace
*);
1637 void gfc_generate_module_code (gfc_namespace
*);
1640 typedef int (*compare_fn
) (void *, void *);
1641 void gfc_insert_bbt (void *, void *, compare_fn
);
1642 void gfc_delete_bbt (void *, void *, compare_fn
);
1644 /* dump-parse-tree.c */
1645 void gfc_show_namespace (gfc_namespace
*);
1648 try gfc_parse_file (void);
1650 #endif /* GFC_GFC_H */