1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA
23 #ifndef GCC_GFORTRAN_H
24 #define GCC_GFORTRAN_H
26 /* It's probably insane to have this large of a header file, but it
27 seemed like everything had to be recompiled anyway when a change
28 was made to a header file, and there were ordering issues with
29 multiple header files. Besides, Microsoft's winnt.h was 250k last
30 time I looked, so by comparison this is perfectly reasonable. */
34 #include "coretypes.h"
37 /* The following ifdefs are recommended by the autoconf documentation
38 for any code using alloca. */
40 /* AIX requires this to be the first thing in the file. */
42 #else /* not __GNUC__ */
45 #else /* do not HAVE_ALLOCA_H */
49 #ifndef alloca /* predefined by HP cc +Olibcalls */
51 #endif /* not predefined */
53 #endif /* do not HAVE_ALLOCA_H */
54 #endif /* not __GNUC__ */
56 /* Major control parameters. */
58 #define GFC_MAX_SYMBOL_LEN 63
59 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
60 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
61 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
63 #define free(x) Use_gfc_free_instead_of_free()
64 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
67 #define NULL ((void *) 0)
71 #define stringize(x) expand_macro(x)
72 #define expand_macro(x) # x
74 /* For a the runtime library, a standard prefix is a requirement to
75 avoid cluttering the namespace with things nobody asked for. It's
76 ugly to look at and a pain to type when you add the prefix by hand,
77 so we hide it behind a macro. */
78 #define PREFIX(x) "_gfortran_" x
81 #define BLANK_COMMON_NAME "__BLNK__"
83 /* Macro to initialize an mstring structure. */
84 #define minit(s, t) { s, NULL, t }
86 /* Structure for storing strings to be matched by gfc_match_string. */
96 /* Flags to specify which standard/extension contains a feature. */
97 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
98 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
99 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
100 /* Note that no features were obsoleted nor deleted in F2003. */
101 #define GFC_STD_F95 (1<<3) /* New in F95. */
102 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
103 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
104 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
106 /* Bitmasks for the various FPE that can be enabled. */
107 #define GFC_FPE_INVALID (1<<0)
108 #define GFC_FPE_DENORMAL (1<<1)
109 #define GFC_FPE_ZERO (1<<2)
110 #define GFC_FPE_OVERFLOW (1<<3)
111 #define GFC_FPE_UNDERFLOW (1<<4)
112 #define GFC_FPE_PRECISION (1<<5)
115 /*************************** Enums *****************************/
117 /* The author remains confused to this day about the convention of
118 returning '0' for 'SUCCESS'... or was it the other way around? The
119 following enum makes things much more readable. We also start
120 values off at one instead of zero. */
123 { SUCCESS
= 1, FAILURE
}
126 /* Matchers return one of these three values. The difference between
127 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
128 successful, but that something non-syntactic is wrong and an error
129 has already been issued. */
132 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
136 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
140 { BT_UNKNOWN
= 1, BT_INTEGER
, BT_REAL
, BT_COMPLEX
,
141 BT_LOGICAL
, BT_CHARACTER
, BT_DERIVED
, BT_PROCEDURE
, BT_HOLLERITH
145 /* Expression node types. */
147 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
148 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
154 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
155 AS_ASSUMED_SIZE
, AS_UNKNOWN
160 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
163 /* Statement label types. */
165 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
166 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
170 /* Intrinsic operators. */
172 { GFC_INTRINSIC_BEGIN
= 0,
173 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
174 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
175 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
176 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
177 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
178 INTRINSIC_LT
, INTRINSIC_LE
, INTRINSIC_NOT
, INTRINSIC_USER
,
180 GFC_INTRINSIC_END
/* Sentinel */
185 /* Strings for all intrinsic operators. */
186 extern mstring intrinsic_operators
[];
189 /* This macro is the number of intrinsic operators that exist.
190 Assumptions are made about the numbering of the interface_op enums. */
191 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
193 /* Arithmetic results. */
195 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
196 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
203 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_BACKSPACE
, ST_BLOCK_DATA
,
204 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
205 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
206 ST_ELSEWHERE
, ST_END_BLOCK_DATA
, ST_ENDDO
, ST_IMPLIED_ENDDO
,
207 ST_END_FILE
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
208 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
209 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
210 ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
, ST_GOTO
,
211 ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_INQUIRE
, ST_INTERFACE
,
212 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
213 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
214 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WRITE
,
215 ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
216 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
217 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_NONE
222 /* Types of interfaces that we can have. Assignment interfaces are
223 considered to be intrinsic operators. */
226 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
227 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
231 /* Symbol flavors: these are all mutually exclusive.
232 10 elements = 4 bits. */
233 typedef enum sym_flavor
235 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
236 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
240 /* Procedure types. 7 elements = 3 bits. */
241 typedef enum procedure_type
242 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
243 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
248 typedef enum sym_intent
249 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
254 typedef enum gfc_access
255 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
259 /* Flags to keep track of where an interface came from.
260 4 elements = 2 bits. */
262 { IFSRC_UNKNOWN
= 0, IFSRC_DECL
, IFSRC_IFBODY
, IFSRC_USAGE
266 /* Strings for all symbol attributes. We use these for dumping the
267 parse tree, in error messages, and also when reading and writing
268 modules. In symbol.c. */
269 extern const mstring flavors
[];
270 extern const mstring procedures
[];
271 extern const mstring intents
[];
272 extern const mstring access_types
[];
273 extern const mstring ifsrc_types
[];
275 /* Enumeration of all the generic intrinsic functions. Used by the
276 backend for identification of a function. */
278 enum gfc_generic_isym_id
280 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
281 the backend (eg. KIND). */
312 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
320 GFC_ISYM_DOT_PRODUCT
,
392 GFC_ISYM_SET_EXPONENT
,
422 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
424 /************************* Structures *****************************/
426 /* Symbol attribute structure. */
429 /* Variable attributes. */
430 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
431 optional
:1, pointer
:1, save
:1, target
:1,
432 dummy
:1, result
:1, assign
:1;
434 unsigned data
:1, /* Symbol is named in a DATA statement. */
435 use_assoc
:1; /* Symbol has been use-associated. */
437 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
438 unsigned function
:1, subroutine
:1, generic
:1;
439 unsigned implicit_type
:1; /* Type defined via implicit rules. */
440 unsigned untyped
:1; /* No implicit type could be found. */
442 /* Function/subroutine attributes */
443 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
444 unsigned unmaskable
:1, masked
:1, contained
:1;
446 /* This is set if the subroutine doesn't return. Currently, this
447 is only possible for intrinsic subroutines. */
450 /* Set if this procedure is an alternate entry point. These procedures
451 don't have any code associated, and the backend will turn them into
452 thunks to the master function. */
455 /* Set if this is the master function for a procedure with multiple
457 unsigned entry_master
:1;
459 /* Set if this is the master function for a function with multiple
460 entry points where characteristics of the entry points differ. */
461 unsigned mixed_entry_master
:1;
463 /* Set if a function must always be referenced by an explicit interface. */
464 unsigned always_explicit
:1;
466 /* Set if the symbol has been referenced in an expression. No further
467 modification of type or type parameters is permitted. */
468 unsigned referenced
:1;
470 /* Set if the is the symbol for the main program. This is the least
471 cumbersome way to communicate this function property without
472 strcmp'ing with __MAIN everywhere. */
473 unsigned is_main_program
:1;
475 /* Mutually exclusive multibit attributes. */
476 ENUM_BITFIELD (gfc_access
) access
:2;
477 ENUM_BITFIELD (sym_intent
) intent
:2;
478 ENUM_BITFIELD (sym_flavor
) flavor
:4;
479 ENUM_BITFIELD (ifsrc
) if_source
:2;
481 ENUM_BITFIELD (procedure_type
) proc
:3;
483 /* Special attributes for Cray pointers, pointees. */
484 unsigned cray_pointer
:1, cray_pointee
:1;
490 /* The following three structures are used to identify a location in
493 gfc_file is used to maintain a tree of the source files and how
494 they include each other
496 gfc_linebuf holds a single line of source code and information
497 which file it resides in
499 locus point to the sourceline and the character in the source
503 typedef struct gfc_file
505 struct gfc_file
*included_by
, *next
, *up
;
506 int inclusion_line
, line
;
510 typedef struct gfc_linebuf
512 #ifdef USE_MAPPED_LOCATION
513 source_location location
;
517 struct gfc_file
*file
;
518 struct gfc_linebuf
*next
;
525 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
533 /* In order for the "gfc" format checking to work correctly, you must
534 have declared a typedef locus first. */
535 #if GCC_VERSION >= 4001
536 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
538 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
542 extern int gfc_suppress_error
;
545 /* Character length structures hold the expression that gives the
546 length of a character variable. We avoid putting these into
547 gfc_typespec because doing so prevents us from doing structure
548 copies and forces us to deallocate any typespecs we create, as well
549 as structures that contain typespecs. They also can have multiple
550 character typespecs pointing to them.
552 These structures form a singly linked list within the current
553 namespace and are deallocated with the namespace. It is possible to
554 end up with gfc_charlen structures that have nothing pointing to them. */
556 typedef struct gfc_charlen
558 struct gfc_expr
*length
;
559 struct gfc_charlen
*next
;
564 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
566 /* Type specification structure. FIXME: derived and cl could be union??? */
571 struct gfc_symbol
*derived
;
572 gfc_charlen
*cl
; /* For character types only. */
576 /* Array specification. */
579 int rank
; /* A rank of zero means that a variable is a scalar. */
581 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
583 /* These two fields are used with the Cray Pointer extension. */
584 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
585 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
586 AS_EXPLICIT, but we want to remember that we
592 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
595 /* Components of derived types. */
596 typedef struct gfc_component
601 int pointer
, dimension
;
606 struct gfc_expr
*initializer
;
607 struct gfc_component
*next
;
611 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
613 /* Formal argument lists are lists of symbols. */
614 typedef struct gfc_formal_arglist
616 /* Symbol representing the argument at this position in the arglist. */
617 struct gfc_symbol
*sym
;
618 /* Points to the next formal argument. */
619 struct gfc_formal_arglist
*next
;
623 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
626 /* The gfc_actual_arglist structure is for actual arguments. */
627 typedef struct gfc_actual_arglist
630 /* Alternate return label when the expr member is null. */
631 struct gfc_st_label
*label
;
633 /* This is set to the type of an eventual omitted optional
634 argument. This is used to determine if a hidden string length
635 argument has to be added to a function call. */
638 struct gfc_expr
*expr
;
639 struct gfc_actual_arglist
*next
;
643 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
646 /* Because a symbol can belong to multiple namelists, they must be
647 linked externally to the symbol itself. */
648 typedef struct gfc_namelist
650 struct gfc_symbol
*sym
;
651 struct gfc_namelist
*next
;
655 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
658 /* The gfc_st_label structure is a doubly linked list attached to a
659 namespace that records the usage of statement labels within that
661 /* TODO: Make format/statement specifics a union. */
662 typedef struct gfc_st_label
666 gfc_sl_type defined
, referenced
;
668 struct gfc_expr
*format
;
674 struct gfc_st_label
*prev
, *next
;
679 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
680 typedef struct gfc_interface
682 struct gfc_symbol
*sym
;
684 struct gfc_interface
*next
;
688 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
691 /* User operator nodes. These are like stripped down symbols. */
696 gfc_interface
*operator;
697 struct gfc_namespace
*ns
;
702 /* Symbol nodes. These are important things. They are what the
703 standard refers to as "entities". The possibly multiple names that
704 refer to the same entity are accomplished by a binary tree of
705 symtree structures that is balanced by the red-black method-- more
706 than one symtree node can point to any given symbol. */
708 typedef struct gfc_symbol
710 const char *name
; /* Primary name, before renaming */
711 const char *module
; /* Module this symbol came from */
715 symbol_attribute attr
;
717 /* The interface member points to the formal argument list if the
718 symbol is a function or subroutine name. If the symbol is a
719 generic name, the generic member points to the list of
722 gfc_interface
*generic
;
723 gfc_access component_access
;
725 gfc_formal_arglist
*formal
;
726 struct gfc_namespace
*formal_ns
;
728 struct gfc_expr
*value
; /* Parameter/Initializer value */
730 struct gfc_symbol
*result
; /* function result symbol */
731 gfc_component
*components
; /* Derived type components */
733 /* Defined only for Cray pointees; points to their pointer. */
734 struct gfc_symbol
*cp_pointer
;
736 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
738 /* This is in fact a gfc_common_head but it is only used for pointer
739 comparisons to check if symbols are in the same common block. */
740 struct gfc_common_head
* common_head
;
742 /* Make sure setup code for dummy arguments is generated in the correct
746 gfc_namelist
*namelist
, *namelist_tail
;
748 /* Change management fields. Symbols that might be modified by the
749 current statement have the mark member nonzero and are kept in a
750 singly linked list through the tlink field. Of these symbols,
751 symbols with old_symbol equal to NULL are symbols created within
752 the current statement. Otherwise, old_symbol points to a copy of
755 struct gfc_symbol
*old_symbol
, *tlink
;
756 unsigned mark
:1, new:1;
757 /* Nonzero if all equivalences associated with this symbol have been
759 unsigned equiv_built
:1;
761 struct gfc_namespace
*ns
; /* namespace containing this symbol */
768 /* This structure is used to keep track of symbols in common blocks. */
770 typedef struct gfc_common_head
773 int use_assoc
, saved
;
774 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
775 struct gfc_symbol
*head
;
779 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
782 /* A list of all the alternate entry points for a procedure. */
784 typedef struct gfc_entry_list
786 /* The symbol for this entry point. */
788 /* The zero-based id of this entry point. */
790 /* The LABEL_EXPR marking this entry point. */
792 /* The nest item in the list. */
793 struct gfc_entry_list
*next
;
797 #define gfc_get_entry_list() \
798 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
800 /* Within a namespace, symbols are pointed to by symtree nodes that
801 are linked together in a balanced binary tree. There can be
802 several symtrees pointing to the same symbol node via USE
805 #define BBT_HEADER(self) int priority; struct self *left, *right
807 typedef struct gfc_symtree
809 BBT_HEADER (gfc_symtree
);
814 gfc_symbol
*sym
; /* Symbol associated with this node */
816 gfc_common_head
*common
;
824 /* A namespace describes the contents of procedure, module or
826 /* ??? Anything else use these? */
828 typedef struct gfc_namespace
830 /* Tree containing all the symbols in this namespace. */
831 gfc_symtree
*sym_root
;
832 /* Tree containing all the user-defined operators in the namespace. */
833 gfc_symtree
*uop_root
;
834 /* Tree containing all the common blocks. */
835 gfc_symtree
*common_root
;
837 /* If set_flag[letter] is set, an implicit type has been set for letter. */
838 int set_flag
[GFC_LETTERS
];
839 /* Keeps track of the implicit types associated with the letters. */
840 gfc_typespec default_type
[GFC_LETTERS
];
842 /* If this is a namespace of a procedure, this points to the procedure. */
843 struct gfc_symbol
*proc_name
;
844 /* If this is the namespace of a unit which contains executable
845 code, this points to it. */
846 struct gfc_code
*code
;
848 /* Points to the equivalences set up in this namespace. */
849 struct gfc_equiv
*equiv
;
850 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
852 /* Points to the parent namespace, i.e. the namespace of a module or
853 procedure in which the procedure belonging to this namespace is
854 contained. The parent namespace points to this namespace either
855 directly via CONTAINED, or indirectly via the chain built by
857 struct gfc_namespace
*parent
;
858 /* CONTAINED points to the first contained namespace. Sibling
859 namespaces are chained via SIBLING. */
860 struct gfc_namespace
*contained
, *sibling
;
862 gfc_common_head blank_common
;
863 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
865 gfc_st_label
*st_labels
;
866 /* This list holds information about all the data initializers in
868 struct gfc_data
*data
;
870 gfc_charlen
*cl_list
;
872 int save_all
, seen_save
, seen_implicit_none
;
874 /* Normally we don't need to refcount namespaces. However when we read
875 a module containing a function with multiple entry points, this
876 will appear as several functions with the same formal namespace. */
879 /* A list of all alternate entry points to this procedure (or NULL). */
880 gfc_entry_list
*entries
;
882 /* Set to 1 if namespace is a BLOCK DATA program unit. */
887 extern gfc_namespace
*gfc_current_ns
;
889 /* Global symbols are symbols of global scope. Currently we only use
890 this to detect collisions already when parsing.
891 TODO: Extend to verify procedure calls. */
893 typedef struct gfc_gsymbol
895 BBT_HEADER(gfc_gsymbol
);
898 enum { GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
899 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
} type
;
906 extern gfc_gsymbol
*gfc_gsym_root
;
908 /* Information on interfaces being built. */
919 extern gfc_interface_info current_interface
;
922 /* Array reference. */
923 typedef struct gfc_array_ref
926 int dimen
; /* # of components in the reference */
930 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
931 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
932 *stride
[GFC_MAX_DIMENSIONS
];
935 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
936 dimen_type
[GFC_MAX_DIMENSIONS
];
938 struct gfc_expr
*offset
;
942 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
945 /* Component reference nodes. A variable is stored as an expression
946 node that points to the base symbol. After that, a singly linked
947 list of component reference nodes gives the variable's complete
948 resolution. The array_ref component may be present and comes
949 before the component component. */
952 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
955 typedef struct gfc_ref
961 struct gfc_array_ref ar
;
965 gfc_component
*component
;
972 struct gfc_expr
*start
, *end
; /* Substring */
980 struct gfc_ref
*next
;
984 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
987 /* Structures representing intrinsic symbols and their arguments lists. */
988 typedef struct gfc_intrinsic_arg
990 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
994 gfc_actual_arglist
*actual
;
996 struct gfc_intrinsic_arg
*next
;
1002 /* Specifies the various kinds of check functions used to verify the
1003 argument lists of intrinsic functions. fX with X an integer refer
1004 to check functions of intrinsics with X arguments. f1m is used for
1005 the MAX and MIN intrinsics which can have an arbitrary number of
1006 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1007 these have special semantics. */
1012 try (*f1
)(struct gfc_expr
*);
1013 try (*f1m
)(gfc_actual_arglist
*);
1014 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1015 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1016 try (*f3ml
)(gfc_actual_arglist
*);
1017 try (*f3red
)(gfc_actual_arglist
*);
1018 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1020 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1021 struct gfc_expr
*, struct gfc_expr
*);
1025 /* Like gfc_check_f, these specify the type of the simplification
1026 function associated with an intrinsic. The fX are just like in
1027 gfc_check_f. cc is used for type conversion functions. */
1031 struct gfc_expr
*(*f0
)(void);
1032 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1033 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1034 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1036 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1037 struct gfc_expr
*, struct gfc_expr
*);
1038 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1039 struct gfc_expr
*, struct gfc_expr
*,
1041 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1045 /* Again like gfc_check_f, these specify the type of the resolution
1046 function associated with an intrinsic. The fX are just like in
1047 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1052 void (*f0
)(struct gfc_expr
*);
1053 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1054 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1055 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1056 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1058 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1059 struct gfc_expr
*, struct gfc_expr
*);
1060 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1061 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1062 void (*s1
)(struct gfc_code
*);
1067 typedef struct gfc_intrinsic_sym
1069 const char *name
, *lib_name
;
1070 gfc_intrinsic_arg
*formal
;
1072 int elemental
, pure
, generic
, specific
, actual_ok
, standard
, noreturn
;
1074 gfc_simplify_f simplify
;
1076 gfc_resolve_f resolve
;
1077 struct gfc_intrinsic_sym
*specific_head
, *next
;
1078 gfc_generic_isym_id generic_id
;
1084 /* Expression nodes. The expression node types deserve explanations,
1085 since the last couple can be easily misconstrued:
1087 EXPR_OP Operator node pointing to one or two other nodes
1088 EXPR_FUNCTION Function call, symbol points to function's name
1089 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1090 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1091 which expresses structure, array and substring refs.
1092 EXPR_NULL The NULL pointer value (which also has a basic type).
1093 EXPR_SUBSTRING A substring of a constant string
1094 EXPR_STRUCTURE A structure constructor
1095 EXPR_ARRAY An array constructor. */
1099 #define GFC_RND_MODE GMP_RNDN
1101 typedef struct gfc_expr
1105 gfc_typespec ts
; /* These two refer to the overall expression */
1108 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1110 /* Nonnull for functions and structure constructors */
1111 gfc_symtree
*symtree
;
1117 /* True if it is converted from Hollerith constant. */
1118 unsigned int from_H
: 1;
1135 gfc_intrinsic_op
operator;
1137 struct gfc_expr
*op1
, *op2
;
1143 gfc_actual_arglist
*actual
;
1144 const char *name
; /* Points to the ultimate name of the function */
1145 gfc_intrinsic_sym
*isym
;
1157 struct gfc_constructor
*constructor
;
1165 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1167 /* Structures for information associated with different kinds of
1168 numbers. The first set of integer parameters define all there is
1169 to know about a particular kind. The rest of the elements are
1170 computed from the first elements. */
1174 /* Values really representable by the target. */
1175 mpz_t huge
, pedantic_min_int
, min_int
, max_int
;
1177 int kind
, radix
, digits
, bit_size
, range
;
1179 /* True if the C type of the given name maps to this precision.
1180 Note that more than one bit can be set. */
1181 unsigned int c_char
: 1;
1182 unsigned int c_short
: 1;
1183 unsigned int c_int
: 1;
1184 unsigned int c_long
: 1;
1185 unsigned int c_long_long
: 1;
1189 extern gfc_integer_info gfc_integer_kinds
[];
1196 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1197 unsigned int c_bool
: 1;
1201 extern gfc_logical_info gfc_logical_kinds
[];
1206 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1207 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1208 int range
, precision
;
1210 /* The precision of the type as reported by GET_MODE_PRECISION. */
1213 /* True if the C type of the given name maps to this precision.
1214 Note that more than one bit can be set. */
1215 unsigned int c_float
: 1;
1216 unsigned int c_double
: 1;
1217 unsigned int c_long_double
: 1;
1221 extern gfc_real_info gfc_real_kinds
[];
1224 /* Equivalence structures. Equivalent lvalues are linked along the
1225 *eq pointer, equivalence sets are strung along the *next node. */
1226 typedef struct gfc_equiv
1228 struct gfc_equiv
*next
, *eq
;
1235 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1238 /* gfc_case stores the selector list of a case statement. The *low
1239 and *high pointers can point to the same expression in the case of
1240 a single value. If *high is NULL, the selection is from *low
1241 upwards, if *low is NULL the selection is *high downwards.
1243 This structure has separate fields to allow single and double linked
1244 lists of CASEs at the same time. The singe linked list along the NEXT
1245 field is a list of cases for a single CASE label. The double linked
1246 list along the LEFT/RIGHT fields is used to detect overlap and to
1247 build a table of the cases for SELECT constructs with a CHARACTER
1250 typedef struct gfc_case
1252 /* Where we saw this case. */
1256 /* Case range values. If (low == high), it's a single value. If one of
1257 the labels is NULL, it's an unbounded case. If both are NULL, this
1258 represents the default case. */
1259 gfc_expr
*low
, *high
;
1261 /* Next case label in the list of cases for a single CASE label. */
1262 struct gfc_case
*next
;
1264 /* Used for detecting overlap, and for code generation. */
1265 struct gfc_case
*left
, *right
;
1267 /* True if this case label can never be matched. */
1272 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1277 gfc_expr
*var
, *start
, *end
, *step
;
1281 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1284 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1286 typedef struct gfc_alloc
1289 struct gfc_alloc
*next
;
1293 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1298 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1299 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
;
1307 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1315 gfc_expr
*unit
, *iostat
, *iomsg
;
1323 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1324 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1325 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1326 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
;
1336 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
;
1338 gfc_symbol
*namelist
;
1339 /* A format_label of `format_asterisk' indicates the "*" format */
1340 gfc_st_label
*format_label
;
1341 gfc_st_label
*err
, *end
, *eor
;
1343 locus eor_where
, end_where
;
1348 typedef struct gfc_forall_iterator
1350 gfc_expr
*var
, *start
, *end
, *stride
;
1351 struct gfc_forall_iterator
*next
;
1353 gfc_forall_iterator
;
1356 /* Executable statements that fill gfc_code structures. */
1359 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1360 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_ENTRY
,
1361 EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1362 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1363 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1364 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1365 EXEC_OPEN
, EXEC_CLOSE
,
1366 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1367 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
1371 typedef struct gfc_code
1375 struct gfc_code
*block
, *next
;
1378 gfc_st_label
*here
, *label
, *label2
, *label3
;
1379 gfc_symtree
*symtree
;
1380 gfc_expr
*expr
, *expr2
;
1381 /* A name isn't sufficient to identify a subroutine, we need the actual
1382 symbol for the interface definition.
1383 const char *sub_name; */
1384 gfc_symbol
*resolved_sym
;
1388 gfc_actual_arglist
*actual
;
1389 gfc_case
*case_list
;
1390 gfc_iterator
*iterator
;
1391 gfc_alloc
*alloc_list
;
1394 gfc_filepos
*filepos
;
1395 gfc_inquire
*inquire
;
1397 gfc_forall_iterator
*forall_iterator
;
1398 struct gfc_code
*whichloop
;
1400 gfc_entry_list
*entry
;
1402 ext
; /* Points to additional structures required by statement */
1404 /* Backend_decl is used for cycle and break labels in do loops, and
1405 * probably for other constructs as well, once we translate them. */
1411 /* Storage for DATA statements. */
1412 typedef struct gfc_data_variable
1416 struct gfc_data_variable
*list
, *next
;
1421 typedef struct gfc_data_value
1423 unsigned int repeat
;
1425 struct gfc_data_value
*next
;
1430 typedef struct gfc_data
1432 gfc_data_variable
*var
;
1433 gfc_data_value
*value
;
1436 struct gfc_data
*next
;
1440 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1441 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1442 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1445 /* Structure for holding compile options */
1449 gfc_source_form source_form
;
1450 int fixed_line_length
;
1451 int max_identifier_length
;
1455 int warn_conversion
;
1456 int warn_implicit_interface
;
1457 int warn_line_truncation
;
1459 int warn_surprising
;
1460 int warn_unused_labels
;
1462 int flag_default_double
;
1463 int flag_default_integer
;
1464 int flag_default_real
;
1466 int flag_underscoring
;
1467 int flag_second_underscore
;
1468 int flag_implicit_none
;
1469 int flag_max_stack_var_size
;
1470 int flag_module_access_private
;
1471 int flag_no_backend
;
1472 int flag_pack_derived
;
1473 int flag_repack_arrays
;
1477 int flag_cray_pointer
;
1486 int warn_nonstd_intrinsics
;
1491 extern gfc_option_t gfc_option
;
1494 /* Constructor nodes for array and structure constructors. */
1495 typedef struct gfc_constructor
1498 gfc_iterator
*iterator
;
1500 struct gfc_constructor
*next
;
1503 mpz_t offset
; /* Record the offset of array element which appears in
1504 data statement like "data a(5)/4/". */
1505 gfc_component
*component
; /* Record the component being initialized. */
1508 mpz_t repeat
; /* Record the repeat number of initial values in data
1509 statement like "data a/5*10/". */
1514 typedef struct iterator_stack
1516 gfc_symtree
*variable
;
1518 struct iterator_stack
*prev
;
1521 extern iterator_stack
*iter_stack
;
1523 /************************ Function prototypes *************************/
1526 void gfc_formalize_init_value (gfc_symbol
*);
1527 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1528 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1529 void gfc_assign_data_value_range (gfc_expr
*, gfc_expr
*, mpz_t
, mpz_t
);
1530 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1533 void gfc_scanner_done_1 (void);
1534 void gfc_scanner_init_1 (void);
1536 void gfc_add_include_path (const char *);
1537 void gfc_release_include_path (void);
1538 FILE *gfc_open_included_file (const char *);
1540 int gfc_at_end (void);
1541 int gfc_at_eof (void);
1542 int gfc_at_bol (void);
1543 int gfc_at_eol (void);
1544 void gfc_advance_line (void);
1545 int gfc_check_include (void);
1547 void gfc_skip_comments (void);
1548 int gfc_next_char_literal (int);
1549 int gfc_next_char (void);
1550 int gfc_peek_char (void);
1551 void gfc_error_recovery (void);
1552 void gfc_gobble_whitespace (void);
1553 try gfc_new_file (void);
1555 extern gfc_source_form gfc_current_form
;
1556 extern const char *gfc_source_file
;
1557 extern locus gfc_current_locus
;
1560 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1561 void gfc_free (void *);
1562 int gfc_terminal_width(void);
1563 void gfc_clear_ts (gfc_typespec
*);
1564 FILE *gfc_open_file (const char *);
1565 const char *gfc_basic_typename (bt
);
1566 const char *gfc_typename (gfc_typespec
*);
1568 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1569 "=" : gfc_code2string (intrinsic_operators, OP))
1571 const char *gfc_code2string (const mstring
*, int);
1572 int gfc_string2code (const mstring
*, const char *);
1573 const char *gfc_intent_string (sym_intent
);
1575 void gfc_init_1 (void);
1576 void gfc_init_2 (void);
1577 void gfc_done_1 (void);
1578 void gfc_done_2 (void);
1581 unsigned int gfc_init_options (unsigned int, const char **);
1582 int gfc_handle_option (size_t, const char *, int);
1583 bool gfc_post_options (const char **);
1586 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1590 typedef struct gfc_error_buf
1593 size_t allocated
, index
;
1597 void gfc_error_init_1 (void);
1598 void gfc_buffer_error (int);
1600 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1601 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1602 void gfc_clear_warning (void);
1603 void gfc_warning_check (void);
1605 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1606 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1607 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1608 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1609 void gfc_clear_error (void);
1610 int gfc_error_check (void);
1612 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1614 /* A general purpose syntax error. */
1615 #define gfc_syntax_error(ST) \
1616 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1618 void gfc_push_error (gfc_error_buf
*);
1619 void gfc_pop_error (gfc_error_buf
*);
1620 void gfc_free_error (gfc_error_buf
*);
1622 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1623 void gfc_status_char (char);
1625 void gfc_get_errors (int *, int *);
1628 void gfc_arith_init_1 (void);
1629 void gfc_arith_done_1 (void);
1630 gfc_expr
*gfc_enum_initializer (gfc_expr
*, locus
);
1631 arith
gfc_check_integer_range (mpz_t p
, int kind
);
1634 int gfc_validate_kind (bt
, int, bool);
1635 extern int gfc_index_integer_kind
;
1636 extern int gfc_default_integer_kind
;
1637 extern int gfc_max_integer_kind
;
1638 extern int gfc_default_real_kind
;
1639 extern int gfc_default_double_kind
;
1640 extern int gfc_default_character_kind
;
1641 extern int gfc_default_logical_kind
;
1642 extern int gfc_default_complex_kind
;
1643 extern int gfc_c_int_kind
;
1646 void gfc_clear_new_implicit (void);
1647 try gfc_add_new_implicit_range (int, int);
1648 try gfc_merge_new_implicit (gfc_typespec
*);
1649 void gfc_set_implicit_none (void);
1651 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1652 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1654 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1655 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1657 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1659 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1660 try gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
1661 try gfc_add_external (symbol_attribute
*, locus
*);
1662 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1663 try gfc_add_optional (symbol_attribute
*, locus
*);
1664 try gfc_add_pointer (symbol_attribute
*, locus
*);
1665 try gfc_add_cray_pointer (symbol_attribute
*, locus
*);
1666 try gfc_add_cray_pointee (symbol_attribute
*, locus
*);
1667 try gfc_mod_pointee_as (gfc_array_spec
*as
);
1668 try gfc_add_result (symbol_attribute
*, const char *, locus
*);
1669 try gfc_add_save (symbol_attribute
*, const char *, locus
*);
1670 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1671 try gfc_add_target (symbol_attribute
*, locus
*);
1672 try gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
1673 try gfc_add_generic (symbol_attribute
*, const char *, locus
*);
1674 try gfc_add_common (symbol_attribute
*, locus
*);
1675 try gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
1676 try gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
1677 try gfc_add_data (symbol_attribute
*, const char *, locus
*);
1678 try gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
1679 try gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
1680 try gfc_add_elemental (symbol_attribute
*, locus
*);
1681 try gfc_add_pure (symbol_attribute
*, locus
*);
1682 try gfc_add_recursive (symbol_attribute
*, locus
*);
1683 try gfc_add_function (symbol_attribute
*, const char *, locus
*);
1684 try gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
1686 try gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
1687 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
1688 try gfc_add_entry (symbol_attribute
*, const char *, locus
*);
1689 try gfc_add_procedure (symbol_attribute
*, procedure_type
,
1690 const char *, locus
*);
1691 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1692 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1693 gfc_formal_arglist
*, locus
*);
1694 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1696 void gfc_clear_attr (symbol_attribute
*);
1697 try gfc_missing_attr (symbol_attribute
*, locus
*);
1698 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1700 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1701 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1702 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1703 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1705 gfc_st_label
*gfc_get_st_label (int);
1706 void gfc_free_st_label (gfc_st_label
*);
1707 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1708 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1710 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
1711 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1712 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1713 gfc_user_op
*gfc_get_uop (const char *);
1714 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1715 void gfc_free_symbol (gfc_symbol
*);
1716 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1717 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1718 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1719 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1720 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1721 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1722 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1724 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1726 void gfc_undo_symbols (void);
1727 void gfc_commit_symbols (void);
1728 void gfc_free_namespace (gfc_namespace
*);
1730 void gfc_symbol_init_2 (void);
1731 void gfc_symbol_done_2 (void);
1733 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
1734 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1735 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1736 void gfc_save_all (gfc_namespace
*);
1738 void gfc_symbol_state (void);
1740 gfc_gsymbol
*gfc_get_gsymbol (const char *);
1741 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
1744 extern int gfc_init_expr
;
1746 /* Given a symbol that we have decided is intrinsic, mark it as such
1747 by placing it into a special module that is otherwise impossible to
1750 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1752 void gfc_intrinsic_init_1 (void);
1753 void gfc_intrinsic_done_1 (void);
1755 char gfc_type_letter (bt
);
1756 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1757 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1758 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1759 int gfc_generic_intrinsic (const char *);
1760 int gfc_specific_intrinsic (const char *);
1761 int gfc_intrinsic_name (const char *, int);
1762 gfc_intrinsic_sym
*gfc_find_function (const char *);
1764 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1765 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1768 void gfc_simplify_init_1 (void);
1770 /* match.c -- FIXME */
1771 void gfc_free_iterator (gfc_iterator
*, int);
1772 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1773 void gfc_free_alloc_list (gfc_alloc
*);
1774 void gfc_free_namelist (gfc_namelist
*);
1775 void gfc_free_equiv (gfc_equiv
*);
1776 void gfc_free_data (gfc_data
*);
1777 void gfc_free_case_list (gfc_case
*);
1780 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1781 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1782 const char *gfc_extract_int (gfc_expr
*, int *);
1784 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1785 void gfc_free_ref_list (gfc_ref
*);
1786 void gfc_type_convert_binary (gfc_expr
*);
1787 int gfc_is_constant_expr (gfc_expr
*);
1788 try gfc_simplify_expr (gfc_expr
*, int);
1790 gfc_expr
*gfc_get_expr (void);
1791 void gfc_free_expr (gfc_expr
*);
1792 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1793 gfc_expr
*gfc_int_expr (int);
1794 gfc_expr
*gfc_logical_expr (int, locus
*);
1795 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1796 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
1797 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1799 try gfc_specification_expr (gfc_expr
*);
1801 int gfc_numeric_ts (gfc_typespec
*);
1802 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1804 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1805 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1806 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1807 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1809 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1810 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
1814 extern gfc_code new_st
;
1816 void gfc_clear_new_st (void);
1817 gfc_code
*gfc_get_code (void);
1818 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1819 void gfc_free_statement (gfc_code
*);
1820 void gfc_free_statements (gfc_code
*);
1823 try gfc_resolve_expr (gfc_expr
*);
1824 void gfc_resolve (gfc_namespace
*);
1825 int gfc_impure_variable (gfc_symbol
*);
1826 int gfc_pure (gfc_symbol
*);
1827 int gfc_elemental (gfc_symbol
*);
1828 try gfc_resolve_iterator (gfc_iterator
*, bool);
1829 try gfc_resolve_index (gfc_expr
*, int);
1830 try gfc_resolve_dim_arg (gfc_expr
*);
1831 int gfc_is_formal_arg (void);
1834 void gfc_free_array_spec (gfc_array_spec
*);
1835 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1837 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1838 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1839 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1841 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1843 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1844 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1845 void gfc_free_constructor (gfc_constructor
*);
1846 void gfc_simplify_iterator_var (gfc_expr
*);
1847 try gfc_expand_constructor (gfc_expr
*);
1848 int gfc_constant_ac (gfc_expr
*);
1849 int gfc_expanded_ac (gfc_expr
*);
1850 try gfc_resolve_array_constructor (gfc_expr
*);
1851 try gfc_check_constructor_type (gfc_expr
*);
1852 try gfc_check_iter_variable (gfc_expr
*);
1853 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1854 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1855 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1856 try gfc_array_size (gfc_expr
*, mpz_t
*);
1857 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1858 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1859 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1860 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1861 gfc_constructor
*gfc_get_constructor (void);
1862 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1863 try spec_size (gfc_array_spec
*, mpz_t
*);
1864 int gfc_is_compile_time_shape (gfc_array_spec
*);
1866 /* interface.c -- FIXME: some of these should be in symbol.c */
1867 void gfc_free_interface (gfc_interface
*);
1868 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1869 void gfc_check_interfaces (gfc_namespace
*);
1870 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1871 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1872 gfc_actual_arglist
**);
1873 try gfc_extend_expr (gfc_expr
*);
1874 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1875 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1876 try gfc_add_interface (gfc_symbol
* sym
);
1879 extern gfc_st_label format_asterisk
;
1881 void gfc_free_open (gfc_open
*);
1882 try gfc_resolve_open (gfc_open
*);
1883 void gfc_free_close (gfc_close
*);
1884 try gfc_resolve_close (gfc_close
*);
1885 void gfc_free_filepos (gfc_filepos
*);
1886 try gfc_resolve_filepos (gfc_filepos
*);
1887 void gfc_free_inquire (gfc_inquire
*);
1888 try gfc_resolve_inquire (gfc_inquire
*);
1889 void gfc_free_dt (gfc_dt
*);
1890 try gfc_resolve_dt (gfc_dt
*);
1893 void gfc_module_init_2 (void);
1894 void gfc_module_done_2 (void);
1895 void gfc_dump_module (const char *, int);
1896 bool gfc_check_access (gfc_access
, gfc_access
);
1899 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1900 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1903 void gfc_generate_code (gfc_namespace
*);
1904 void gfc_generate_module_code (gfc_namespace
*);
1907 typedef int (*compare_fn
) (void *, void *);
1908 void gfc_insert_bbt (void *, void *, compare_fn
);
1909 void gfc_delete_bbt (void *, void *, compare_fn
);
1911 /* dump-parse-tree.c */
1912 void gfc_show_namespace (gfc_namespace
*);
1915 try gfc_parse_file (void);
1917 #endif /* GCC_GFORTRAN_H */