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;
419 int line
; /* line within the lp structure */
421 struct gfc_file
*file
;
425 /* The linebuf structure deserves some explanation. This is the
426 primary structure for holding lines. A source file is stored in a
427 singly linked list of these structures. Each structure holds an
428 integer number of lines. The line[] member is actually an array of
429 pointers that point to the NULL-terminated lines. This list grows
430 upwards, and the actual lines are stored at the top of the
431 structure and grow downward. Each structure is packed with as many
432 lines as it can hold, then another linebuf is allocated. */
434 /* Chosen so that sizeof(linebuf) = 4096 on most machines */
435 #define LINEBUF_SIZE 4080
437 typedef struct linebuf
439 int start_line
, lines
;
440 struct linebuf
*next
;
442 char buf
[LINEBUF_SIZE
];
449 # include <sys/param.h>
450 # define PATH_MAX MAXPATHLEN
454 typedef struct gfc_file
456 char filename
[PATH_MAX
+ 1];
457 gfc_source_form form
;
458 struct gfc_file
*included_by
, *next
;
460 struct linebuf
*start
;
465 extern int gfc_suppress_error
;
468 /* Character length structures hold the expression that gives the
469 length of a character variable. We avoid putting these into
470 gfc_typespec because doing so prevents us from doing structure
471 copies and forces us to deallocate any typespecs we create, as well
472 as structures that contain typespecs. They also can have multiple
473 character typespecs pointing to them.
475 These structures form a singly linked list within the current
476 namespace and are deallocated with the namespace. It is possible to
477 end up with gfc_charlen structures that have nothing pointing to them. */
479 typedef struct gfc_charlen
481 struct gfc_expr
*length
;
482 struct gfc_charlen
*next
;
487 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
489 /* Type specification structure. FIXME: derived and cl could be union??? */
494 struct gfc_symbol
*derived
;
495 gfc_charlen
*cl
; /* For character types only. */
499 /* Array specification. */
502 int rank
; /* A rank of zero means that a variable is a scalar. */
504 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
508 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
511 /* Components of derived types. */
512 typedef struct gfc_component
514 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
517 int pointer
, dimension
;
522 struct gfc_expr
*initializer
;
523 struct gfc_component
*next
;
527 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
529 /* Formal argument lists are lists of symbols. */
530 typedef struct gfc_formal_arglist
532 struct gfc_symbol
*sym
;
533 struct gfc_formal_arglist
*next
;
537 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
540 /* The gfc_actual_arglist structure is for actual arguments. */
541 typedef struct gfc_actual_arglist
543 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
544 /* Alternate return label when the expr member is null. */
545 struct gfc_st_label
*label
;
547 struct gfc_expr
*expr
;
548 struct gfc_actual_arglist
*next
;
552 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
555 /* Because a symbol can belong to multiple namelists, they must be
556 linked externally to the symbol itself. */
557 typedef struct gfc_namelist
559 struct gfc_symbol
*sym
;
560 struct gfc_namelist
*next
;
564 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
567 /* The gfc_st_label structure is a doubly linked list attached to a
568 namespace that records the usage of statement labels within that
570 /* TODO: Make format/statement specifics a union. */
571 typedef struct gfc_st_label
575 gfc_sl_type defined
, referenced
;
577 struct gfc_expr
*format
;
583 struct gfc_st_label
*prev
, *next
;
588 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
589 typedef struct gfc_interface
591 struct gfc_symbol
*sym
;
593 struct gfc_interface
*next
;
597 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
600 /* User operator nodes. These are like stripped down symbols. */
603 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
605 gfc_interface
*operator;
606 struct gfc_namespace
*ns
;
611 /* Symbol nodes. These are important things. They are what the
612 standard refers to as "entities". The possibly multiple names that
613 refer to the same entity are accomplished by a binary tree of
614 symtree structures that is balanced by the red-black method-- more
615 than one symtree node can point to any given symbol. */
617 typedef struct gfc_symbol
619 char name
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Primary name, before renaming */
620 char module
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Module this symbol came from */
624 symbol_attribute attr
;
626 /* The interface member points to the formal argument list if the
627 symbol is a function or subroutine name. If the symbol is a
628 generic name, the generic member points to the list of
631 gfc_interface
*generic
;
632 gfc_access component_access
;
634 gfc_formal_arglist
*formal
;
635 struct gfc_namespace
*formal_ns
;
637 struct gfc_expr
*value
; /* Parameter/Initializer value */
639 struct gfc_symbol
*result
; /* function result symbol */
640 gfc_component
*components
; /* Derived type components */
642 /* TODO: These three fields are mutually exclusive. */
643 struct gfc_symbol
*common_head
, *common_next
; /* Links for COMMON syms */
644 /* Make sure setup code for dummy arguments is generated in the correct
648 gfc_namelist
*namelist
, *namelist_tail
;
650 /* Change management fields. Symbols that might be modified by the
651 current statement have the mark member nonzero and are kept in a
652 singly linked list through the tlink field. Of these symbols,
653 symbols with old_symbol equal to NULL are symbols created within
654 the current statement. Otherwise, old_symbol points to a copy of
657 struct gfc_symbol
*old_symbol
, *tlink
;
658 unsigned mark
:1, new:1;
660 struct gfc_namespace
*ns
; /* namespace containing this symbol */
668 /* Within a namespace, symbols are pointed to by symtree nodes that
669 are linked together in a balanced binary tree. There can be
670 several symtrees pointing to the same symbol node via USE
673 #define BBT_HEADER(self) int priority; struct self *left, *right
675 typedef struct gfc_symtree
677 BBT_HEADER (gfc_symtree
);
678 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
682 gfc_symbol
*sym
; /* Symbol associated with this node */
691 typedef struct gfc_namespace
693 gfc_symtree
*sym_root
, *uop_root
; /* Roots of the red/black symbol trees */
695 int set_flag
[GFC_LETTERS
];
696 gfc_typespec default_type
[GFC_LETTERS
]; /* IMPLICIT typespecs */
698 struct gfc_symbol
*proc_name
;
699 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
700 struct gfc_namespace
*parent
, *contained
, *sibling
;
701 struct gfc_code
*code
;
702 gfc_symbol
*blank_common
;
703 struct gfc_equiv
*equiv
;
704 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
706 gfc_st_label
*st_labels
;
707 struct gfc_data
*data
;
709 gfc_charlen
*cl_list
;
711 int save_all
, seen_save
;
715 extern gfc_namespace
*gfc_current_ns
;
718 /* Information on interfaces being built. */
729 extern gfc_interface_info current_interface
;
732 /* Array reference. */
733 typedef struct gfc_array_ref
736 int dimen
; /* # of components in the reference */
740 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
741 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
742 *stride
[GFC_MAX_DIMENSIONS
];
745 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
746 dimen_type
[GFC_MAX_DIMENSIONS
];
748 struct gfc_expr
*offset
;
752 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
755 /* Component reference nodes. A variable is stored as an expression
756 node that points to the base symbol. After that, a singly linked
757 list of component reference nodes gives the variable's complete
758 resolution. The array_ref component may be present and comes
759 before the component component. */
762 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
765 typedef struct gfc_ref
771 struct gfc_array_ref ar
;
775 gfc_component
*component
;
782 struct gfc_expr
*start
, *end
; /* Substring */
790 struct gfc_ref
*next
;
794 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
797 /* Structures representing intrinsic symbols and their arguments lists. */
798 typedef struct gfc_intrinsic_arg
800 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
804 gfc_actual_arglist
*actual
;
806 struct gfc_intrinsic_arg
*next
;
814 try (*f1
)(struct gfc_expr
*);
815 try (*f1m
)(gfc_actual_arglist
*);
816 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
817 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
818 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
820 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
821 struct gfc_expr
*, struct gfc_expr
*);
828 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
829 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
830 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
832 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
833 struct gfc_expr
*, struct gfc_expr
*);
834 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
835 struct gfc_expr
*, struct gfc_expr
*,
837 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
844 void (*f0
)(struct gfc_expr
*);
845 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
846 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
847 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
848 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
850 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
851 struct gfc_expr
*, struct gfc_expr
*);
852 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
853 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
854 void (*s1
)(struct gfc_code
*);
859 typedef struct gfc_intrinsic_sym
861 char name
[GFC_MAX_SYMBOL_LEN
+ 1], lib_name
[GFC_MAX_SYMBOL_LEN
+ 1];
862 gfc_intrinsic_arg
*formal
;
864 int elemental
, pure
, generic
, specific
, actual_ok
;
866 gfc_simplify_f simplify
;
868 gfc_resolve_f resolve
;
869 struct gfc_intrinsic_sym
*specific_head
, *next
;
870 gfc_generic_isym_id generic_id
;
876 /* Expression nodes. The expression node types deserve explanations,
877 since the last couple can be easily misconstrued:
879 EXPR_OP Operator node pointing to one or two other nodes
880 EXPR_FUNCTION Function call, symbol points to function's name
881 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
882 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
883 which expresses structure, array and substring refs.
884 EXPR_NULL The NULL pointer value (which also has a basic type).
885 EXPR_SUBSTRING A substring of a constant string
886 EXPR_STRUCTURE A structure constructor
887 EXPR_ARRAY An array constructor. */
891 typedef struct gfc_expr
895 gfc_typespec ts
; /* These two refer to the overall expression */
898 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
900 gfc_intrinsic_op
operator;
902 /* Nonnull for functions and structure constructors */
903 gfc_symtree
*symtree
;
908 struct gfc_expr
*op1
, *op2
;
925 gfc_actual_arglist
*actual
;
926 char *name
; /* Points to the ultimate name of the function */
927 gfc_intrinsic_sym
*isym
;
939 struct gfc_constructor
*constructor
;
947 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem(rank*sizeof(mpz_t)))
949 /* Structures for information associated with different kinds of
950 numbers. The first set of integer parameters define all there is
951 to know about a particular kind. The rest of the elements are
952 computed from the first elements. */
956 int kind
, radix
, digits
, bit_size
;
961 mpz_t min_int
, max_int
; /* Values really representable by the target */
965 extern gfc_integer_info gfc_integer_kinds
[];
975 extern gfc_logical_info gfc_logical_kinds
[];
980 int kind
, radix
, digits
, min_exponent
, max_exponent
;
982 int range
, precision
;
983 mpf_t epsilon
, huge
, tiny
;
987 extern gfc_real_info gfc_real_kinds
[];
990 /* Equivalence structures. Equivalent lvalues are linked along the
991 *eq pointer, equivalence sets are strung along the *next node. */
992 typedef struct gfc_equiv
994 struct gfc_equiv
*next
, *eq
;
1000 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1003 /* gfc_case stores the selector list of a case statement. The *low
1004 and *high pointers can point to the same expression in the case of
1005 a single value. If *high is NULL, the selection is from *low
1006 upwards, if *low is NULL the selection is *high downwards.
1008 This structure has separate fields to allow singe and double linked
1009 lists of CASEs the same time. The singe linked list along the NEXT
1010 field is a list of cases for a single CASE label. The double linked
1011 list along the LEFT/RIGHT fields is used to detect overlap and to
1012 build a table of the cases for SELECT constructs with a CHARACTER
1015 typedef struct gfc_case
1017 /* Where we saw this case. */
1021 /* Case range values. If (low == high), it's a single value. If one of
1022 the labels is NULL, it's an unbounded case. If both are NULL, this
1023 represents the default case. */
1024 gfc_expr
*low
, *high
;
1026 /* Next case label in the list of cases for a single CASE label. */
1027 struct gfc_case
*next
;
1029 /* Used for detecting overlap, and for code generation. */
1030 struct gfc_case
*left
, *right
;
1032 /* True if this case label can never be matched. */
1037 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1042 gfc_expr
*var
, *start
, *end
, *step
;
1046 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1049 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1051 typedef struct gfc_alloc
1054 struct gfc_alloc
*next
;
1058 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1063 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1064 *blank
, *position
, *action
, *delim
, *pad
, *iostat
;
1072 gfc_expr
*unit
, *status
, *iostat
;
1080 gfc_expr
*unit
, *iostat
;
1088 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1089 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1090 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1091 *write
, *readwrite
, *delim
, *pad
, *iolength
;
1101 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
;
1103 gfc_symbol
*namelist
;
1104 /* A format_label of `format_asterisk' indicates the "*" format */
1105 gfc_st_label
*format_label
;
1106 gfc_st_label
*err
, *end
, *eor
;
1108 locus eor_where
, end_where
;
1113 typedef struct gfc_forall_iterator
1115 gfc_expr
*var
, *start
, *end
, *stride
;
1116 struct gfc_forall_iterator
*next
;
1118 gfc_forall_iterator
;
1121 /* Executable statements that fill gfc_code structures. */
1124 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1125 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1126 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1127 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1128 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1129 EXEC_OPEN
, EXEC_CLOSE
,
1130 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1131 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
1135 typedef struct gfc_code
1139 struct gfc_code
*block
, *next
;
1142 gfc_st_label
*here
, *label
, *label2
, *label3
;
1143 gfc_symtree
*symtree
;
1144 gfc_expr
*expr
, *expr2
;
1145 /* A name isn't sufficient to identify a subroutine, we need the actual
1146 symbol for the interface definition.
1147 const char *sub_name; */
1148 gfc_symbol
*resolved_sym
;
1152 gfc_actual_arglist
*actual
;
1153 gfc_case
*case_list
;
1154 gfc_iterator
*iterator
;
1155 gfc_alloc
*alloc_list
;
1158 gfc_filepos
*filepos
;
1159 gfc_inquire
*inquire
;
1161 gfc_forall_iterator
*forall_iterator
;
1162 struct gfc_code
*whichloop
;
1165 ext
; /* Points to additional structures required by statement */
1167 /* Backend_decl is used for cycle and break labels in do loops, and
1168 * probably for other constructs as well, once we translate them. */
1174 /* Storage for DATA statements. */
1175 typedef struct gfc_data_variable
1179 struct gfc_data_variable
*list
, *next
;
1184 typedef struct gfc_data_value
1189 struct gfc_data_value
*next
;
1194 typedef struct gfc_data
1196 gfc_data_variable
*var
;
1197 gfc_data_value
*value
;
1200 struct gfc_data
*next
;
1204 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1205 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1206 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1209 /* Structure for holding compile options */
1214 gfc_source_form source_form
;
1215 int fixed_line_length
;
1216 int max_identifier_length
;
1220 int warn_conversion
;
1221 int warn_implicit_interface
;
1222 int warn_line_truncation
;
1223 int warn_surprising
;
1224 int warn_unused_labels
;
1227 int flag_underscoring
;
1228 int flag_second_underscore
;
1229 int flag_implicit_none
;
1230 int flag_max_stack_var_size
;
1231 int flag_module_access_private
;
1232 int flag_no_backend
;
1233 int flag_pack_derived
;
1234 int flag_repack_arrays
;
1245 extern gfc_option_t gfc_option
;
1248 /* Constructor nodes for array and structure constructors. */
1249 typedef struct gfc_constructor
1252 gfc_iterator
*iterator
;
1254 struct gfc_constructor
*next
;
1257 mpz_t offset
; /* Record the offset of array element which appears in
1258 data statement like "data a(5)/4/". */
1259 gfc_component
*component
; /* Record the component being initialized. */
1262 mpz_t repeat
; /* Record the repeat number of initial values in data
1263 statement like "data a/5*10/". */
1268 typedef struct iterator_stack
1270 gfc_symtree
*variable
;
1272 struct iterator_stack
*prev
;
1275 extern iterator_stack
*iter_stack
;
1277 /************************ Function prototypes *************************/
1280 void gfc_formalize_init_value (gfc_symbol
*);
1281 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1282 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1283 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1286 void gfc_scanner_done_1 (void);
1287 void gfc_scanner_init_1 (void);
1289 void gfc_add_include_path (const char *);
1290 void gfc_release_include_path (void);
1291 FILE *gfc_open_included_file (const char *);
1293 locus
*gfc_current_locus (void);
1294 void gfc_set_locus (locus
*);
1296 int gfc_at_end (void);
1297 int gfc_at_eof (void);
1298 int gfc_at_bol (void);
1299 int gfc_at_eol (void);
1300 void gfc_advance_line (void);
1301 int gfc_check_include (void);
1303 void gfc_skip_comments (void);
1304 int gfc_next_char_literal (int);
1305 int gfc_next_char (void);
1306 int gfc_peek_char (void);
1307 void gfc_error_recovery (void);
1308 void gfc_gobble_whitespace (void);
1309 try gfc_new_file (const char *, gfc_source_form
);
1311 extern gfc_file
*gfc_current_file
;
1314 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1315 void gfc_free (void *);
1316 int gfc_terminal_width(void);
1317 void gfc_clear_ts (gfc_typespec
*);
1318 FILE *gfc_open_file (const char *);
1319 const char *gfc_article (const char *);
1320 const char *gfc_basic_typename (bt
);
1321 const char *gfc_typename (gfc_typespec
*);
1323 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1324 "=" : gfc_code2string (intrinsic_operators, OP))
1326 const char *gfc_code2string (const mstring
*, int);
1327 int gfc_string2code (const mstring
*, const char *);
1328 const char *gfc_intent_string (sym_intent
);
1330 void gfc_init_1 (void);
1331 void gfc_init_2 (void);
1332 void gfc_done_1 (void);
1333 void gfc_done_2 (void);
1336 unsigned int gfc_init_options (unsigned int, const char **);
1337 int gfc_handle_option (size_t, const char *, int);
1338 bool gfc_post_options (const char **);
1341 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1342 void gfc_iresolve_init_1 (void);
1343 void gfc_iresolve_done_1 (void);
1347 typedef struct gfc_error_buf
1350 char message
[MAX_ERROR_MESSAGE
];
1353 void gfc_error_init_1 (void);
1354 void gfc_buffer_error (int);
1356 void gfc_warning (const char *, ...);
1357 void gfc_warning_now (const char *, ...);
1358 void gfc_clear_warning (void);
1359 void gfc_warning_check (void);
1361 void gfc_error (const char *, ...);
1362 void gfc_error_now (const char *, ...);
1363 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1364 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1365 void gfc_clear_error (void);
1366 int gfc_error_check (void);
1368 try gfc_notify_std (int, const char *, ...);
1370 /* A general purpose syntax error. */
1371 #define gfc_syntax_error(ST) \
1372 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1374 void gfc_push_error (gfc_error_buf
*);
1375 void gfc_pop_error (gfc_error_buf
*);
1377 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1378 void gfc_status_char (char);
1380 void gfc_get_errors (int *, int *);
1383 void gfc_arith_init_1 (void);
1384 void gfc_arith_done_1 (void);
1386 /* FIXME: These should go to symbol.c, really... */
1387 int gfc_default_integer_kind (void);
1388 int gfc_default_real_kind (void);
1389 int gfc_default_double_kind (void);
1390 int gfc_default_character_kind (void);
1391 int gfc_default_logical_kind (void);
1392 int gfc_default_complex_kind (void);
1393 int gfc_validate_kind (bt
, int);
1394 extern int gfc_index_integer_kind
;
1397 void gfc_clear_new_implicit (void);
1398 try gfc_add_new_implicit_range (int, int, gfc_typespec
*);
1399 try gfc_merge_new_implicit (void);
1400 void gfc_set_implicit_none (void);
1401 void gfc_set_implicit (void);
1403 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1404 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1406 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1407 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1409 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1411 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1412 try gfc_add_dimension (symbol_attribute
*, locus
*);
1413 try gfc_add_external (symbol_attribute
*, locus
*);
1414 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1415 try gfc_add_optional (symbol_attribute
*, locus
*);
1416 try gfc_add_pointer (symbol_attribute
*, locus
*);
1417 try gfc_add_result (symbol_attribute
*, locus
*);
1418 try gfc_add_save (symbol_attribute
*, locus
*);
1419 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1420 try gfc_add_target (symbol_attribute
*, locus
*);
1421 try gfc_add_dummy (symbol_attribute
*, locus
*);
1422 try gfc_add_generic (symbol_attribute
*, locus
*);
1423 try gfc_add_common (symbol_attribute
*, locus
*);
1424 try gfc_add_in_common (symbol_attribute
*, locus
*);
1425 try gfc_add_in_namelist (symbol_attribute
*, locus
*);
1426 try gfc_add_sequence (symbol_attribute
*, locus
*);
1427 try gfc_add_elemental (symbol_attribute
*, locus
*);
1428 try gfc_add_pure (symbol_attribute
*, locus
*);
1429 try gfc_add_recursive (symbol_attribute
*, locus
*);
1430 try gfc_add_function (symbol_attribute
*, locus
*);
1431 try gfc_add_subroutine (symbol_attribute
*, locus
*);
1433 try gfc_add_access (symbol_attribute
*, gfc_access
, locus
*);
1434 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, locus
*);
1435 try gfc_add_entry (symbol_attribute
*, locus
*);
1436 try gfc_add_procedure (symbol_attribute
*, procedure_type
, locus
*);
1437 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1438 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1439 gfc_formal_arglist
*, locus
*);
1440 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1442 void gfc_clear_attr (symbol_attribute
*);
1443 try gfc_missing_attr (symbol_attribute
*, locus
*);
1444 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1446 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1447 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1448 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1449 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1451 gfc_st_label
*gfc_get_st_label (int);
1452 void gfc_free_st_label (gfc_st_label
*);
1453 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1454 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1456 gfc_namespace
*gfc_get_namespace (gfc_namespace
*);
1457 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1458 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1459 gfc_user_op
*gfc_get_uop (const char *);
1460 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1461 void gfc_free_symbol (gfc_symbol
*);
1462 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1463 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1464 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1465 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1466 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1467 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1468 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1470 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1472 void gfc_undo_symbols (void);
1473 void gfc_commit_symbols (void);
1474 void gfc_free_namespace (gfc_namespace
*);
1476 void gfc_symbol_init_2 (void);
1477 void gfc_symbol_done_2 (void);
1479 void gfc_traverse_symtree (gfc_namespace
*, void (*)(gfc_symtree
*));
1480 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1481 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1482 void gfc_save_all (gfc_namespace
*);
1484 void gfc_symbol_state (void);
1487 extern int gfc_init_expr
;
1489 /* Given a symbol that we have decided is intrinsic, mark it as such
1490 by placing it into a special module that is otherwise impossible to
1493 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1495 void gfc_intrinsic_init_1 (void);
1496 void gfc_intrinsic_done_1 (void);
1498 char gfc_type_letter (bt
);
1499 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1500 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1501 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1502 int gfc_generic_intrinsic (const char *);
1503 int gfc_specific_intrinsic (const char *);
1504 int gfc_intrinsic_name (const char *, int);
1505 gfc_intrinsic_sym
*gfc_find_function (const char *);
1507 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1508 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1511 void gfc_simplify_init_1 (void);
1512 void gfc_simplify_done_1 (void);
1514 /* match.c -- FIXME */
1515 void gfc_free_iterator (gfc_iterator
*, int);
1516 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1517 void gfc_free_alloc_list (gfc_alloc
*);
1518 void gfc_free_namelist (gfc_namelist
*);
1519 void gfc_free_equiv (gfc_equiv
*);
1520 void gfc_free_data (gfc_data
*);
1521 void gfc_free_case_list (gfc_case
*);
1524 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1525 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1526 const char *gfc_extract_int (gfc_expr
*, int *);
1528 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1529 void gfc_free_ref_list (gfc_ref
*);
1530 void gfc_type_convert_binary (gfc_expr
*);
1531 int gfc_is_constant_expr (gfc_expr
*);
1532 try gfc_simplify_expr (gfc_expr
*, int);
1534 gfc_expr
*gfc_get_expr (void);
1535 void gfc_free_expr (gfc_expr
*);
1536 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1537 gfc_expr
*gfc_int_expr (int);
1538 gfc_expr
*gfc_logical_expr (int, locus
*);
1539 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1540 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1542 try gfc_specification_expr (gfc_expr
*);
1544 int gfc_numeric_ts (gfc_typespec
*);
1545 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1547 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1548 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1549 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1550 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1553 extern gfc_code new_st
;
1555 void gfc_clear_new_st (void);
1556 gfc_code
*gfc_get_code (void);
1557 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1558 void gfc_free_statement (gfc_code
*);
1559 void gfc_free_statements (gfc_code
*);
1562 try gfc_resolve_expr (gfc_expr
*);
1563 void gfc_resolve (gfc_namespace
*);
1564 int gfc_impure_variable (gfc_symbol
*);
1565 int gfc_pure (gfc_symbol
*);
1566 int gfc_elemental (gfc_symbol
*);
1567 try gfc_resolve_iterator (gfc_iterator
*);
1568 try gfc_resolve_index (gfc_expr
*, int);
1571 void gfc_free_array_spec (gfc_array_spec
*);
1572 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1574 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1575 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1576 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1578 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1580 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1581 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1582 void gfc_free_constructor (gfc_constructor
*);
1583 void gfc_simplify_iterator_var (gfc_expr
*);
1584 try gfc_expand_constructor (gfc_expr
*);
1585 int gfc_constant_ac (gfc_expr
*);
1586 int gfc_expanded_ac (gfc_expr
*);
1587 try gfc_resolve_array_constructor (gfc_expr
*);
1588 try gfc_check_constructor_type (gfc_expr
*);
1589 try gfc_check_iter_variable (gfc_expr
*);
1590 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1591 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1592 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1593 try gfc_array_size (gfc_expr
*, mpz_t
*);
1594 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1595 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1596 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1597 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1598 gfc_constructor
*gfc_get_constructor (void);
1599 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1600 try spec_size (gfc_array_spec
*, mpz_t
*);
1602 /* interface.c -- FIXME: some of these should be in symbol.c */
1603 void gfc_free_interface (gfc_interface
*);
1604 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1605 void gfc_check_interfaces (gfc_namespace
*);
1606 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1607 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1608 gfc_actual_arglist
**);
1609 try gfc_extend_expr (gfc_expr
*);
1610 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1611 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1612 try gfc_add_interface (gfc_symbol
* sym
);
1615 extern gfc_st_label format_asterisk
;
1617 void gfc_free_open (gfc_open
*);
1618 try gfc_resolve_open (gfc_open
*);
1619 void gfc_free_close (gfc_close
*);
1620 try gfc_resolve_close (gfc_close
*);
1621 void gfc_free_filepos (gfc_filepos
*);
1622 try gfc_resolve_filepos (gfc_filepos
*);
1623 void gfc_free_inquire (gfc_inquire
*);
1624 try gfc_resolve_inquire (gfc_inquire
*);
1625 void gfc_free_dt (gfc_dt
*);
1626 try gfc_resolve_dt (gfc_dt
*);
1629 void gfc_module_init_2 (void);
1630 void gfc_module_done_2 (void);
1631 void gfc_dump_module (const char *, int);
1634 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1635 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1638 void gfc_generate_code (gfc_namespace
*);
1639 void gfc_generate_module_code (gfc_namespace
*);
1642 typedef int (*compare_fn
) (void *, void *);
1643 void gfc_insert_bbt (void *, void *, compare_fn
);
1644 void gfc_delete_bbt (void *, void *, compare_fn
);
1646 /* dump-parse-tree.c */
1647 void gfc_show_namespace (gfc_namespace
*);
1650 try gfc_parse_file (void);
1652 #endif /* GFC_GFC_H */