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_MAX_LINE 132 /* Characters beyond this are not seen. */
63 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
64 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
65 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
67 #define free(x) Use_gfc_free_instead_of_free()
68 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
71 #define NULL ((void *) 0)
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For a the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
85 /* Macro to initialize an mstring structure. */
86 #define minit(s, t) { s, NULL, t }
88 /* Structure for storing strings to be matched by gfc_match_string. */
98 /* Flags to specify which standardi/extension contains a feature. */
99 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
100 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
101 #define GFC_STD_F2003_DEL (1<<3) /* Deleted in F2003. */
102 #define GFC_STD_F2003_OBS (1<<2) /* Obsoleted in F2003. */
103 #define GFC_STD_F95_DEL (1<<1) /* Deleted in F95. */
104 #define GFC_STD_F95_OBS (1<<0) /* Obsoleted in F95. */
106 /*************************** Enums *****************************/
108 /* The author remains confused to this day about the convention of
109 returning '0' for 'SUCCESS'... or was it the other way around? The
110 following enum makes things much more readable. We also start
111 values off at one instead of zero. */
114 { SUCCESS
= 1, FAILURE
}
117 /* Matchers return one of these three values. The difference between
118 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
119 successful, but that something non-syntactic is wrong and an error
120 has already been issued. */
123 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
127 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
131 { BT_UNKNOWN
= 1, BT_INTEGER
, BT_REAL
, BT_COMPLEX
,
132 BT_LOGICAL
, BT_CHARACTER
, BT_DERIVED
, BT_PROCEDURE
136 /* Expression node types. */
138 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
139 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
145 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
146 AS_ASSUMED_SIZE
, AS_UNKNOWN
151 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
154 /* Statement label types. */
156 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
157 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
161 /* Intrinsic operators. */
163 { GFC_INTRINSIC_BEGIN
= 0,
164 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
165 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
166 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
167 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
168 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
169 INTRINSIC_LT
, INTRINSIC_LE
, INTRINSIC_NOT
, INTRINSIC_USER
,
171 GFC_INTRINSIC_END
/* Sentinel */
176 /* Strings for all intrinsic operators. */
177 extern mstring intrinsic_operators
[];
180 /* This macro is the number of intrinsic operators that exist.
181 Assumptions are made about the numbering of the interface_op enums. */
182 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
184 /* Arithmetic results. */
186 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
187 ARITH_DIV0
, ARITH_0TO0
, ARITH_INCOMMENSURATE
194 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_BACKSPACE
, ST_BLOCK_DATA
,
195 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
196 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
197 ST_ELSEWHERE
, ST_END_BLOCK_DATA
, ST_ENDDO
, ST_IMPLIED_ENDDO
,
198 ST_END_FILE
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
,
199 ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
,
200 ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
, ST_EXIT
, ST_FORALL
,
201 ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
,
202 ST_IMPLICIT_NONE
, ST_INQUIRE
, ST_INTERFACE
, ST_PARAMETER
, ST_MODULE
,
203 ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
,
204 ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
,
206 ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WRITE
, ST_ASSIGNMENT
,
207 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
208 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_NONE
213 /* Types of interfaces that we can have. Assignment interfaces are
214 considered to be intrinsic operators. */
217 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
218 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
222 /* Symbol flavors: these are all mutually exclusive.
223 10 elements = 4 bits. */
226 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
227 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
231 /* Procedure types. 7 elements = 3 bits. */
233 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
234 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
240 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
246 { ACCESS_PUBLIC
= 1, ACCESS_PRIVATE
, ACCESS_UNKNOWN
250 /* Flags to keep track of where an interface came from.
251 4 elements = 2 bits. */
253 { IFSRC_UNKNOWN
= 0, IFSRC_DECL
, IFSRC_IFBODY
, IFSRC_USAGE
257 /* Strings for all symbol attributes. We use these for dumping the
258 parse tree, in error messages, and also when reading and writing
259 modules. In symbol.c. */
260 extern const mstring flavors
[];
261 extern const mstring procedures
[];
262 extern const mstring intents
[];
263 extern const mstring access_types
[];
264 extern const mstring ifsrc_types
[];
266 /* Enumeration of all the generic intrinsic functions. Used by the
267 backend for identification of a function. */
269 enum gfc_generic_isym_id
271 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
272 the backend (eg. KIND). */
293 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
301 GFC_ISYM_DOT_PRODUCT
,
357 GFC_ISYM_SET_EXPONENT
,
379 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
381 /************************* Structures *****************************/
383 /* Symbol attribute structure. */
386 /* Variable attributes. */
387 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
388 optional
:1, pointer
:1, save
:1, target
:1,
389 dummy
:1, result
:1, entry
:1, assign
:1;
391 unsigned data
:1, /* Symbol is named in a DATA statement. */
392 use_assoc
:1; /* Symbol has been use-associated. */
394 unsigned in_namelist
:1, in_common
:1;
395 unsigned function
:1, subroutine
:1, generic
:1;
396 unsigned implicit_type
:1; /* Type defined via implicit rules */
398 /* Function/subroutine attributes */
399 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
400 unsigned unmaskable
:1, masked
:1, contained
:1;
402 /* Set if a function must always be referenced by an explicit interface. */
403 unsigned always_explicit
:1;
405 /* Set if the symbol has been referenced in an expression. No further
406 modification of type or type parameters is permitted. */
407 unsigned referenced
:1;
409 /* Mutually exclusive multibit attributes. */
415 procedure_type proc
:3;
421 /* The following three structures are used to identify a location in
424 gfc_file is used to maintain a tree of the source files and how
425 they include each other
427 gfc_linebuf holds a single line of source code and information
428 which file it resides in
430 locus point to the sourceline and the character in the source
434 typedef struct gfc_file
436 struct gfc_file
*included_by
, *next
, *up
;
437 int inclusion_line
, line
;
441 typedef struct gfc_linebuf
444 struct gfc_file
*file
;
445 struct gfc_linebuf
*next
;
459 # include <sys/param.h>
460 # define PATH_MAX MAXPATHLEN
464 extern int gfc_suppress_error
;
467 /* Character length structures hold the expression that gives the
468 length of a character variable. We avoid putting these into
469 gfc_typespec because doing so prevents us from doing structure
470 copies and forces us to deallocate any typespecs we create, as well
471 as structures that contain typespecs. They also can have multiple
472 character typespecs pointing to them.
474 These structures form a singly linked list within the current
475 namespace and are deallocated with the namespace. It is possible to
476 end up with gfc_charlen structures that have nothing pointing to them. */
478 typedef struct gfc_charlen
480 struct gfc_expr
*length
;
481 struct gfc_charlen
*next
;
486 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
488 /* Type specification structure. FIXME: derived and cl could be union??? */
493 struct gfc_symbol
*derived
;
494 gfc_charlen
*cl
; /* For character types only. */
498 /* Array specification. */
501 int rank
; /* A rank of zero means that a variable is a scalar. */
503 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
507 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
510 /* Components of derived types. */
511 typedef struct gfc_component
513 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
516 int pointer
, dimension
;
521 struct gfc_expr
*initializer
;
522 struct gfc_component
*next
;
526 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
528 /* Formal argument lists are lists of symbols. */
529 typedef struct gfc_formal_arglist
531 /* Symbol representing the argument at this position in the arglist. */
532 struct gfc_symbol
*sym
;
533 /* Points to the next formal argument. */
534 struct gfc_formal_arglist
*next
;
538 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
541 /* The gfc_actual_arglist structure is for actual arguments. */
542 typedef struct gfc_actual_arglist
544 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
545 /* Alternate return label when the expr member is null. */
546 struct gfc_st_label
*label
;
548 /* This is set to the type of an eventual omitted optional
549 argument. This is used to determine if a hidden string length
550 argument has to be added to a function call. */
553 struct gfc_expr
*expr
;
554 struct gfc_actual_arglist
*next
;
558 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
561 /* Because a symbol can belong to multiple namelists, they must be
562 linked externally to the symbol itself. */
563 typedef struct gfc_namelist
565 struct gfc_symbol
*sym
;
566 struct gfc_namelist
*next
;
570 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
573 /* The gfc_st_label structure is a doubly linked list attached to a
574 namespace that records the usage of statement labels within that
576 /* TODO: Make format/statement specifics a union. */
577 typedef struct gfc_st_label
581 gfc_sl_type defined
, referenced
;
583 struct gfc_expr
*format
;
589 struct gfc_st_label
*prev
, *next
;
594 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
595 typedef struct gfc_interface
597 struct gfc_symbol
*sym
;
599 struct gfc_interface
*next
;
603 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
606 /* User operator nodes. These are like stripped down symbols. */
609 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
611 gfc_interface
*operator;
612 struct gfc_namespace
*ns
;
617 /* Symbol nodes. These are important things. They are what the
618 standard refers to as "entities". The possibly multiple names that
619 refer to the same entity are accomplished by a binary tree of
620 symtree structures that is balanced by the red-black method-- more
621 than one symtree node can point to any given symbol. */
623 typedef struct gfc_symbol
625 char name
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Primary name, before renaming */
626 char module
[GFC_MAX_SYMBOL_LEN
+ 1]; /* Module this symbol came from */
630 symbol_attribute attr
;
632 /* The interface member points to the formal argument list if the
633 symbol is a function or subroutine name. If the symbol is a
634 generic name, the generic member points to the list of
637 gfc_interface
*generic
;
638 gfc_access component_access
;
640 gfc_formal_arglist
*formal
;
641 struct gfc_namespace
*formal_ns
;
643 struct gfc_expr
*value
; /* Parameter/Initializer value */
645 struct gfc_symbol
*result
; /* function result symbol */
646 gfc_component
*components
; /* Derived type components */
648 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
649 /* Make sure setup code for dummy arguments is generated in the correct
653 gfc_namelist
*namelist
, *namelist_tail
;
655 /* Change management fields. Symbols that might be modified by the
656 current statement have the mark member nonzero and are kept in a
657 singly linked list through the tlink field. Of these symbols,
658 symbols with old_symbol equal to NULL are symbols created within
659 the current statement. Otherwise, old_symbol points to a copy of
662 struct gfc_symbol
*old_symbol
, *tlink
;
663 unsigned mark
:1, new:1;
664 /* Nonzero if all equivalences associated with this symbol have been
666 unsigned equiv_built
:1;
668 struct gfc_namespace
*ns
; /* namespace containing this symbol */
676 /* This structure is used to keep track of symbols in common blocks. */
681 int use_assoc
, saved
;
682 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
687 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
691 /* Within a namespace, symbols are pointed to by symtree nodes that
692 are linked together in a balanced binary tree. There can be
693 several symtrees pointing to the same symbol node via USE
696 #define BBT_HEADER(self) int priority; struct self *left, *right
698 typedef struct gfc_symtree
700 BBT_HEADER (gfc_symtree
);
701 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
705 gfc_symbol
*sym
; /* Symbol associated with this node */
707 gfc_common_head
*common
;
715 typedef struct gfc_namespace
717 /* Tree containing all the symbols in this namespace. */
718 gfc_symtree
*sym_root
;
719 /* Tree containing all the user-defined operators in the namespace. */
720 gfc_symtree
*uop_root
;
721 /* Tree containing all the common blocks. */
722 gfc_symtree
*common_root
;
724 /* If set_flag[letter] is set, an implicit type has been set for letter. */
725 int set_flag
[GFC_LETTERS
];
726 /* Keeps track of the implicit types associated with the letters. */
727 gfc_typespec default_type
[GFC_LETTERS
];
729 /* If this is a namespace of a procedure, this points to the procedure. */
730 struct gfc_symbol
*proc_name
;
731 /* If this is the namespace of a unit which contains executable
732 code, this points to it. */
733 struct gfc_code
*code
;
735 /* Points to the equivalences set up in this namespace. */
736 struct gfc_equiv
*equiv
;
737 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
739 /* Points to the parent namespace, i.e. the namespace of a module or
740 procedure in which the procedure belonging to this namespace is
741 contained. The parent namespace points to this namespace either
742 directly via CONTAINED, or indirectly via the chain built by
744 struct gfc_namespace
*parent
;
745 /* CONTAINED points to the first contained namespace. Sibling
746 namespaces are chained via SIBLING. */
747 struct gfc_namespace
*contained
, *sibling
;
749 gfc_common_head blank_common
;
750 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
752 gfc_st_label
*st_labels
;
753 struct gfc_data
*data
;
755 gfc_charlen
*cl_list
;
757 int save_all
, seen_save
;
761 extern gfc_namespace
*gfc_current_ns
;
763 /* Global symbols are symbols of global scope. Currently we only use
764 this to detect collisions already when parsing.
765 TODO: Extend to verify procedure calls. */
767 typedef struct gfc_gsymbol
769 BBT_HEADER(gfc_gsymbol
);
771 char name
[GFC_MAX_SYMBOL_LEN
+1];
772 enum { GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
773 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
} type
;
780 extern gfc_gsymbol
*gfc_gsym_root
;
782 /* Information on interfaces being built. */
793 extern gfc_interface_info current_interface
;
796 /* Array reference. */
797 typedef struct gfc_array_ref
800 int dimen
; /* # of components in the reference */
804 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
805 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
806 *stride
[GFC_MAX_DIMENSIONS
];
809 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
810 dimen_type
[GFC_MAX_DIMENSIONS
];
812 struct gfc_expr
*offset
;
816 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
819 /* Component reference nodes. A variable is stored as an expression
820 node that points to the base symbol. After that, a singly linked
821 list of component reference nodes gives the variable's complete
822 resolution. The array_ref component may be present and comes
823 before the component component. */
826 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
829 typedef struct gfc_ref
835 struct gfc_array_ref ar
;
839 gfc_component
*component
;
846 struct gfc_expr
*start
, *end
; /* Substring */
854 struct gfc_ref
*next
;
858 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
861 /* Structures representing intrinsic symbols and their arguments lists. */
862 typedef struct gfc_intrinsic_arg
864 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
868 gfc_actual_arglist
*actual
;
870 struct gfc_intrinsic_arg
*next
;
876 /* Specifies the various kinds of check functions used to verify the
877 argument lists of intrinsic functions. fX with X an integer refer
878 to check functions of intrinsics with X arguments. f1m is used for
879 the MAX and MIN intrinsics which can have an arbitrary number of
880 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
881 these have special semantics. */
885 try (*f1
)(struct gfc_expr
*);
886 try (*f1m
)(gfc_actual_arglist
*);
887 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
888 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
889 try (*f3ml
)(gfc_actual_arglist
*);
890 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
892 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
893 struct gfc_expr
*, struct gfc_expr
*);
897 /* Like gfc_check_f, these specify the type of the simplification
898 function associated with an intrinsic. The fX are just like in
899 gfc_check_f. cc is used for type conversion functions. */
903 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
904 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
905 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
907 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
908 struct gfc_expr
*, struct gfc_expr
*);
909 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
910 struct gfc_expr
*, struct gfc_expr
*,
912 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
916 /* Again like gfc_check_f, these specify the type of the resolution
917 function associated with an intrinsic. The fX are juse like in
918 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
923 void (*f0
)(struct gfc_expr
*);
924 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
925 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
926 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
927 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
929 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
930 struct gfc_expr
*, struct gfc_expr
*);
931 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
932 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
933 void (*s1
)(struct gfc_code
*);
938 typedef struct gfc_intrinsic_sym
940 char name
[GFC_MAX_SYMBOL_LEN
+ 1], lib_name
[GFC_MAX_SYMBOL_LEN
+ 1];
941 gfc_intrinsic_arg
*formal
;
943 int elemental
, pure
, generic
, specific
, actual_ok
;
945 gfc_simplify_f simplify
;
947 gfc_resolve_f resolve
;
948 struct gfc_intrinsic_sym
*specific_head
, *next
;
949 gfc_generic_isym_id generic_id
;
955 /* Expression nodes. The expression node types deserve explanations,
956 since the last couple can be easily misconstrued:
958 EXPR_OP Operator node pointing to one or two other nodes
959 EXPR_FUNCTION Function call, symbol points to function's name
960 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
961 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
962 which expresses structure, array and substring refs.
963 EXPR_NULL The NULL pointer value (which also has a basic type).
964 EXPR_SUBSTRING A substring of a constant string
965 EXPR_STRUCTURE A structure constructor
966 EXPR_ARRAY An array constructor. */
970 #define GFC_RND_MODE GMP_RNDN
972 typedef struct gfc_expr
976 gfc_typespec ts
; /* These two refer to the overall expression */
979 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
981 gfc_intrinsic_op
operator;
983 /* Nonnull for functions and structure constructors */
984 gfc_symtree
*symtree
;
989 struct gfc_expr
*op1
, *op2
;
1007 gfc_actual_arglist
*actual
;
1008 char *name
; /* Points to the ultimate name of the function */
1009 gfc_intrinsic_sym
*isym
;
1021 struct gfc_constructor
*constructor
;
1029 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1031 /* Structures for information associated with different kinds of
1032 numbers. The first set of integer parameters define all there is
1033 to know about a particular kind. The rest of the elements are
1034 computed from the first elements. */
1038 int kind
, radix
, digits
, bit_size
;
1043 mpz_t min_int
, max_int
; /* Values really representable by the target */
1047 extern gfc_integer_info gfc_integer_kinds
[];
1057 extern gfc_logical_info gfc_logical_kinds
[];
1062 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1064 int range
, precision
;
1065 mpfr_t epsilon
, huge
, tiny
;
1069 extern gfc_real_info gfc_real_kinds
[];
1072 /* Equivalence structures. Equivalent lvalues are linked along the
1073 *eq pointer, equivalence sets are strung along the *next node. */
1074 typedef struct gfc_equiv
1076 struct gfc_equiv
*next
, *eq
;
1082 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1085 /* gfc_case stores the selector list of a case statement. The *low
1086 and *high pointers can point to the same expression in the case of
1087 a single value. If *high is NULL, the selection is from *low
1088 upwards, if *low is NULL the selection is *high downwards.
1090 This structure has separate fields to allow singe and double linked
1091 lists of CASEs the same time. The singe linked list along the NEXT
1092 field is a list of cases for a single CASE label. The double linked
1093 list along the LEFT/RIGHT fields is used to detect overlap and to
1094 build a table of the cases for SELECT constructs with a CHARACTER
1097 typedef struct gfc_case
1099 /* Where we saw this case. */
1103 /* Case range values. If (low == high), it's a single value. If one of
1104 the labels is NULL, it's an unbounded case. If both are NULL, this
1105 represents the default case. */
1106 gfc_expr
*low
, *high
;
1108 /* Next case label in the list of cases for a single CASE label. */
1109 struct gfc_case
*next
;
1111 /* Used for detecting overlap, and for code generation. */
1112 struct gfc_case
*left
, *right
;
1114 /* True if this case label can never be matched. */
1119 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1124 gfc_expr
*var
, *start
, *end
, *step
;
1128 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1131 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1133 typedef struct gfc_alloc
1136 struct gfc_alloc
*next
;
1140 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1145 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1146 *blank
, *position
, *action
, *delim
, *pad
, *iostat
;
1154 gfc_expr
*unit
, *status
, *iostat
;
1162 gfc_expr
*unit
, *iostat
;
1170 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1171 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1172 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1173 *write
, *readwrite
, *delim
, *pad
, *iolength
;
1183 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
;
1185 gfc_symbol
*namelist
;
1186 /* A format_label of `format_asterisk' indicates the "*" format */
1187 gfc_st_label
*format_label
;
1188 gfc_st_label
*err
, *end
, *eor
;
1190 locus eor_where
, end_where
;
1195 typedef struct gfc_forall_iterator
1197 gfc_expr
*var
, *start
, *end
, *stride
;
1198 struct gfc_forall_iterator
*next
;
1200 gfc_forall_iterator
;
1203 /* Executable statements that fill gfc_code structures. */
1206 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1207 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1208 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1209 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1210 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1211 EXEC_OPEN
, EXEC_CLOSE
,
1212 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1213 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
1217 typedef struct gfc_code
1221 struct gfc_code
*block
, *next
;
1224 gfc_st_label
*here
, *label
, *label2
, *label3
;
1225 gfc_symtree
*symtree
;
1226 gfc_expr
*expr
, *expr2
;
1227 /* A name isn't sufficient to identify a subroutine, we need the actual
1228 symbol for the interface definition.
1229 const char *sub_name; */
1230 gfc_symbol
*resolved_sym
;
1234 gfc_actual_arglist
*actual
;
1235 gfc_case
*case_list
;
1236 gfc_iterator
*iterator
;
1237 gfc_alloc
*alloc_list
;
1240 gfc_filepos
*filepos
;
1241 gfc_inquire
*inquire
;
1243 gfc_forall_iterator
*forall_iterator
;
1244 struct gfc_code
*whichloop
;
1247 ext
; /* Points to additional structures required by statement */
1249 /* Backend_decl is used for cycle and break labels in do loops, and
1250 * probably for other constructs as well, once we translate them. */
1256 /* Storage for DATA statements. */
1257 typedef struct gfc_data_variable
1261 struct gfc_data_variable
*list
, *next
;
1266 typedef struct gfc_data_value
1271 struct gfc_data_value
*next
;
1276 typedef struct gfc_data
1278 gfc_data_variable
*var
;
1279 gfc_data_value
*value
;
1282 struct gfc_data
*next
;
1286 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1287 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1288 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1291 /* Structure for holding compile options */
1296 gfc_source_form source_form
;
1297 int fixed_line_length
;
1298 int max_identifier_length
;
1302 int warn_conversion
;
1303 int warn_implicit_interface
;
1304 int warn_line_truncation
;
1306 int warn_surprising
;
1307 int warn_unused_labels
;
1310 int flag_underscoring
;
1311 int flag_second_underscore
;
1312 int flag_implicit_none
;
1313 int flag_max_stack_var_size
;
1314 int flag_module_access_private
;
1315 int flag_no_backend
;
1316 int flag_pack_derived
;
1317 int flag_repack_arrays
;
1328 extern gfc_option_t gfc_option
;
1331 /* Constructor nodes for array and structure constructors. */
1332 typedef struct gfc_constructor
1335 gfc_iterator
*iterator
;
1337 struct gfc_constructor
*next
;
1340 mpz_t offset
; /* Record the offset of array element which appears in
1341 data statement like "data a(5)/4/". */
1342 gfc_component
*component
; /* Record the component being initialized. */
1345 mpz_t repeat
; /* Record the repeat number of initial values in data
1346 statement like "data a/5*10/". */
1351 typedef struct iterator_stack
1353 gfc_symtree
*variable
;
1355 struct iterator_stack
*prev
;
1358 extern iterator_stack
*iter_stack
;
1360 /************************ Function prototypes *************************/
1363 void gfc_formalize_init_value (gfc_symbol
*);
1364 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1365 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1366 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1369 void gfc_scanner_done_1 (void);
1370 void gfc_scanner_init_1 (void);
1372 void gfc_add_include_path (const char *);
1373 void gfc_release_include_path (void);
1374 FILE *gfc_open_included_file (const char *);
1376 int gfc_at_end (void);
1377 int gfc_at_eof (void);
1378 int gfc_at_bol (void);
1379 int gfc_at_eol (void);
1380 void gfc_advance_line (void);
1381 int gfc_check_include (void);
1383 void gfc_skip_comments (void);
1384 int gfc_next_char_literal (int);
1385 int gfc_next_char (void);
1386 int gfc_peek_char (void);
1387 void gfc_error_recovery (void);
1388 void gfc_gobble_whitespace (void);
1389 try gfc_new_file (const char *, gfc_source_form
);
1391 extern gfc_source_form gfc_current_form
;
1392 extern char *gfc_source_file
;
1393 extern locus gfc_current_locus
;
1396 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1397 void gfc_free (void *);
1398 int gfc_terminal_width(void);
1399 void gfc_clear_ts (gfc_typespec
*);
1400 FILE *gfc_open_file (const char *);
1401 const char *gfc_article (const char *);
1402 const char *gfc_basic_typename (bt
);
1403 const char *gfc_typename (gfc_typespec
*);
1405 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1406 "=" : gfc_code2string (intrinsic_operators, OP))
1408 const char *gfc_code2string (const mstring
*, int);
1409 int gfc_string2code (const mstring
*, const char *);
1410 const char *gfc_intent_string (sym_intent
);
1412 void gfc_init_1 (void);
1413 void gfc_init_2 (void);
1414 void gfc_done_1 (void);
1415 void gfc_done_2 (void);
1418 unsigned int gfc_init_options (unsigned int, const char **);
1419 int gfc_handle_option (size_t, const char *, int);
1420 bool gfc_post_options (const char **);
1423 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1424 void gfc_iresolve_init_1 (void);
1425 void gfc_iresolve_done_1 (void);
1429 typedef struct gfc_error_buf
1432 char message
[MAX_ERROR_MESSAGE
];
1435 void gfc_error_init_1 (void);
1436 void gfc_buffer_error (int);
1438 void gfc_warning (const char *, ...);
1439 void gfc_warning_now (const char *, ...);
1440 void gfc_clear_warning (void);
1441 void gfc_warning_check (void);
1443 void gfc_error (const char *, ...);
1444 void gfc_error_now (const char *, ...);
1445 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1446 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
;
1447 void gfc_clear_error (void);
1448 int gfc_error_check (void);
1450 try gfc_notify_std (int, const char *, ...);
1452 /* A general purpose syntax error. */
1453 #define gfc_syntax_error(ST) \
1454 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1456 void gfc_push_error (gfc_error_buf
*);
1457 void gfc_pop_error (gfc_error_buf
*);
1459 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1460 void gfc_status_char (char);
1462 void gfc_get_errors (int *, int *);
1465 void gfc_arith_init_1 (void);
1466 void gfc_arith_done_1 (void);
1468 /* FIXME: These should go to symbol.c, really... */
1469 int gfc_default_integer_kind (void);
1470 int gfc_default_real_kind (void);
1471 int gfc_default_double_kind (void);
1472 int gfc_default_character_kind (void);
1473 int gfc_default_logical_kind (void);
1474 int gfc_default_complex_kind (void);
1475 int gfc_validate_kind (bt
, int);
1476 extern int gfc_index_integer_kind
;
1479 void gfc_clear_new_implicit (void);
1480 try gfc_add_new_implicit_range (int, int);
1481 try gfc_merge_new_implicit (gfc_typespec
*);
1482 void gfc_set_implicit_none (void);
1484 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1485 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1487 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1488 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1490 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1492 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1493 try gfc_add_dimension (symbol_attribute
*, locus
*);
1494 try gfc_add_external (symbol_attribute
*, locus
*);
1495 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1496 try gfc_add_optional (symbol_attribute
*, locus
*);
1497 try gfc_add_pointer (symbol_attribute
*, locus
*);
1498 try gfc_add_result (symbol_attribute
*, locus
*);
1499 try gfc_add_save (symbol_attribute
*, locus
*);
1500 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1501 try gfc_add_target (symbol_attribute
*, locus
*);
1502 try gfc_add_dummy (symbol_attribute
*, locus
*);
1503 try gfc_add_generic (symbol_attribute
*, locus
*);
1504 try gfc_add_common (symbol_attribute
*, locus
*);
1505 try gfc_add_in_common (symbol_attribute
*, locus
*);
1506 try gfc_add_data (symbol_attribute
*, locus
*);
1507 try gfc_add_in_namelist (symbol_attribute
*, locus
*);
1508 try gfc_add_sequence (symbol_attribute
*, locus
*);
1509 try gfc_add_elemental (symbol_attribute
*, locus
*);
1510 try gfc_add_pure (symbol_attribute
*, locus
*);
1511 try gfc_add_recursive (symbol_attribute
*, locus
*);
1512 try gfc_add_function (symbol_attribute
*, locus
*);
1513 try gfc_add_subroutine (symbol_attribute
*, locus
*);
1515 try gfc_add_access (symbol_attribute
*, gfc_access
, locus
*);
1516 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, locus
*);
1517 try gfc_add_entry (symbol_attribute
*, locus
*);
1518 try gfc_add_procedure (symbol_attribute
*, procedure_type
, locus
*);
1519 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1520 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1521 gfc_formal_arglist
*, locus
*);
1522 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1524 void gfc_clear_attr (symbol_attribute
*);
1525 try gfc_missing_attr (symbol_attribute
*, locus
*);
1526 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1528 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1529 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1530 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1531 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1533 gfc_st_label
*gfc_get_st_label (int);
1534 void gfc_free_st_label (gfc_st_label
*);
1535 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1536 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1538 gfc_namespace
*gfc_get_namespace (gfc_namespace
*);
1539 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1540 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1541 gfc_user_op
*gfc_get_uop (const char *);
1542 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1543 void gfc_free_symbol (gfc_symbol
*);
1544 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1545 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1546 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1547 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1548 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1549 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1550 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1552 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1554 void gfc_undo_symbols (void);
1555 void gfc_commit_symbols (void);
1556 void gfc_free_namespace (gfc_namespace
*);
1558 void gfc_symbol_init_2 (void);
1559 void gfc_symbol_done_2 (void);
1561 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
1562 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1563 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1564 void gfc_save_all (gfc_namespace
*);
1566 void gfc_symbol_state (void);
1568 gfc_gsymbol
*gfc_get_gsymbol (char *);
1569 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, char *);
1572 extern int gfc_init_expr
;
1574 /* Given a symbol that we have decided is intrinsic, mark it as such
1575 by placing it into a special module that is otherwise impossible to
1578 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1580 void gfc_intrinsic_init_1 (void);
1581 void gfc_intrinsic_done_1 (void);
1583 char gfc_type_letter (bt
);
1584 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1585 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1586 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1587 int gfc_generic_intrinsic (const char *);
1588 int gfc_specific_intrinsic (const char *);
1589 int gfc_intrinsic_name (const char *, int);
1590 gfc_intrinsic_sym
*gfc_find_function (const char *);
1592 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1593 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1596 void gfc_simplify_init_1 (void);
1598 /* match.c -- FIXME */
1599 void gfc_free_iterator (gfc_iterator
*, int);
1600 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1601 void gfc_free_alloc_list (gfc_alloc
*);
1602 void gfc_free_namelist (gfc_namelist
*);
1603 void gfc_free_equiv (gfc_equiv
*);
1604 void gfc_free_data (gfc_data
*);
1605 void gfc_free_case_list (gfc_case
*);
1608 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1609 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1610 const char *gfc_extract_int (gfc_expr
*, int *);
1612 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1613 void gfc_free_ref_list (gfc_ref
*);
1614 void gfc_type_convert_binary (gfc_expr
*);
1615 int gfc_is_constant_expr (gfc_expr
*);
1616 try gfc_simplify_expr (gfc_expr
*, int);
1618 gfc_expr
*gfc_get_expr (void);
1619 void gfc_free_expr (gfc_expr
*);
1620 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1621 gfc_expr
*gfc_int_expr (int);
1622 gfc_expr
*gfc_logical_expr (int, locus
*);
1623 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1624 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
1625 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1627 try gfc_specification_expr (gfc_expr
*);
1629 int gfc_numeric_ts (gfc_typespec
*);
1630 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1632 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1633 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1634 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1635 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1637 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1640 extern gfc_code new_st
;
1642 void gfc_clear_new_st (void);
1643 gfc_code
*gfc_get_code (void);
1644 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1645 void gfc_free_statement (gfc_code
*);
1646 void gfc_free_statements (gfc_code
*);
1649 try gfc_resolve_expr (gfc_expr
*);
1650 void gfc_resolve (gfc_namespace
*);
1651 int gfc_impure_variable (gfc_symbol
*);
1652 int gfc_pure (gfc_symbol
*);
1653 int gfc_elemental (gfc_symbol
*);
1654 try gfc_resolve_iterator (gfc_iterator
*);
1655 try gfc_resolve_index (gfc_expr
*, int);
1658 void gfc_free_array_spec (gfc_array_spec
*);
1659 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1661 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1662 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1663 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1665 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1667 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1668 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1669 void gfc_free_constructor (gfc_constructor
*);
1670 void gfc_simplify_iterator_var (gfc_expr
*);
1671 try gfc_expand_constructor (gfc_expr
*);
1672 int gfc_constant_ac (gfc_expr
*);
1673 int gfc_expanded_ac (gfc_expr
*);
1674 try gfc_resolve_array_constructor (gfc_expr
*);
1675 try gfc_check_constructor_type (gfc_expr
*);
1676 try gfc_check_iter_variable (gfc_expr
*);
1677 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1678 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1679 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1680 try gfc_array_size (gfc_expr
*, mpz_t
*);
1681 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1682 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1683 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1684 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1685 gfc_constructor
*gfc_get_constructor (void);
1686 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1687 try spec_size (gfc_array_spec
*, mpz_t
*);
1688 int gfc_is_compile_time_shape (gfc_array_spec
*);
1690 /* interface.c -- FIXME: some of these should be in symbol.c */
1691 void gfc_free_interface (gfc_interface
*);
1692 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1693 void gfc_check_interfaces (gfc_namespace
*);
1694 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1695 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1696 gfc_actual_arglist
**);
1697 try gfc_extend_expr (gfc_expr
*);
1698 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1699 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1700 try gfc_add_interface (gfc_symbol
* sym
);
1703 extern gfc_st_label format_asterisk
;
1705 void gfc_free_open (gfc_open
*);
1706 try gfc_resolve_open (gfc_open
*);
1707 void gfc_free_close (gfc_close
*);
1708 try gfc_resolve_close (gfc_close
*);
1709 void gfc_free_filepos (gfc_filepos
*);
1710 try gfc_resolve_filepos (gfc_filepos
*);
1711 void gfc_free_inquire (gfc_inquire
*);
1712 try gfc_resolve_inquire (gfc_inquire
*);
1713 void gfc_free_dt (gfc_dt
*);
1714 try gfc_resolve_dt (gfc_dt
*);
1717 void gfc_module_init_2 (void);
1718 void gfc_module_done_2 (void);
1719 void gfc_dump_module (const char *, int);
1722 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1723 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1726 void gfc_generate_code (gfc_namespace
*);
1727 void gfc_generate_module_code (gfc_namespace
*);
1730 typedef int (*compare_fn
) (void *, void *);
1731 void gfc_insert_bbt (void *, void *, compare_fn
);
1732 void gfc_delete_bbt (void *, void *, compare_fn
);
1734 /* dump-parse-tree.c */
1735 void gfc_show_namespace (gfc_namespace
*);
1738 try gfc_parse_file (void);
1740 #endif /* GCC_GFORTRAN_H */