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). */
313 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
323 GFC_ISYM_DOT_PRODUCT
,
403 GFC_ISYM_SET_EXPONENT
,
435 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
437 /************************* Structures *****************************/
439 /* Symbol attribute structure. */
442 /* Variable attributes. */
443 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
444 optional
:1, pointer
:1, save
:1, target
:1,
445 dummy
:1, result
:1, assign
:1;
447 unsigned data
:1, /* Symbol is named in a DATA statement. */
448 use_assoc
:1; /* Symbol has been use-associated. */
450 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
451 unsigned function
:1, subroutine
:1, generic
:1;
452 unsigned implicit_type
:1; /* Type defined via implicit rules. */
453 unsigned untyped
:1; /* No implicit type could be found. */
455 /* Function/subroutine attributes */
456 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
457 unsigned unmaskable
:1, masked
:1, contained
:1;
459 /* This is set if the subroutine doesn't return. Currently, this
460 is only possible for intrinsic subroutines. */
463 /* Set if this procedure is an alternate entry point. These procedures
464 don't have any code associated, and the backend will turn them into
465 thunks to the master function. */
468 /* Set if this is the master function for a procedure with multiple
470 unsigned entry_master
:1;
472 /* Set if this is the master function for a function with multiple
473 entry points where characteristics of the entry points differ. */
474 unsigned mixed_entry_master
:1;
476 /* Set if a function must always be referenced by an explicit interface. */
477 unsigned always_explicit
:1;
479 /* Set if the symbol has been referenced in an expression. No further
480 modification of type or type parameters is permitted. */
481 unsigned referenced
:1;
483 /* Set if the is the symbol for the main program. This is the least
484 cumbersome way to communicate this function property without
485 strcmp'ing with __MAIN everywhere. */
486 unsigned is_main_program
:1;
488 /* Mutually exclusive multibit attributes. */
489 ENUM_BITFIELD (gfc_access
) access
:2;
490 ENUM_BITFIELD (sym_intent
) intent
:2;
491 ENUM_BITFIELD (sym_flavor
) flavor
:4;
492 ENUM_BITFIELD (ifsrc
) if_source
:2;
494 ENUM_BITFIELD (procedure_type
) proc
:3;
496 /* Special attributes for Cray pointers, pointees. */
497 unsigned cray_pointer
:1, cray_pointee
:1;
503 /* The following three structures are used to identify a location in
506 gfc_file is used to maintain a tree of the source files and how
507 they include each other
509 gfc_linebuf holds a single line of source code and information
510 which file it resides in
512 locus point to the sourceline and the character in the source
516 typedef struct gfc_file
518 struct gfc_file
*included_by
, *next
, *up
;
519 int inclusion_line
, line
;
523 typedef struct gfc_linebuf
525 #ifdef USE_MAPPED_LOCATION
526 source_location location
;
530 struct gfc_file
*file
;
531 struct gfc_linebuf
*next
;
538 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
546 /* In order for the "gfc" format checking to work correctly, you must
547 have declared a typedef locus first. */
548 #if GCC_VERSION >= 4001
549 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
551 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
555 extern int gfc_suppress_error
;
558 /* Character length structures hold the expression that gives the
559 length of a character variable. We avoid putting these into
560 gfc_typespec because doing so prevents us from doing structure
561 copies and forces us to deallocate any typespecs we create, as well
562 as structures that contain typespecs. They also can have multiple
563 character typespecs pointing to them.
565 These structures form a singly linked list within the current
566 namespace and are deallocated with the namespace. It is possible to
567 end up with gfc_charlen structures that have nothing pointing to them. */
569 typedef struct gfc_charlen
571 struct gfc_expr
*length
;
572 struct gfc_charlen
*next
;
577 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
579 /* Type specification structure. FIXME: derived and cl could be union??? */
584 struct gfc_symbol
*derived
;
585 gfc_charlen
*cl
; /* For character types only. */
589 /* Array specification. */
592 int rank
; /* A rank of zero means that a variable is a scalar. */
594 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
596 /* These two fields are used with the Cray Pointer extension. */
597 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
598 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
599 AS_EXPLICIT, but we want to remember that we
605 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
608 /* Components of derived types. */
609 typedef struct gfc_component
614 int pointer
, dimension
;
619 struct gfc_expr
*initializer
;
620 struct gfc_component
*next
;
624 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
626 /* Formal argument lists are lists of symbols. */
627 typedef struct gfc_formal_arglist
629 /* Symbol representing the argument at this position in the arglist. */
630 struct gfc_symbol
*sym
;
631 /* Points to the next formal argument. */
632 struct gfc_formal_arglist
*next
;
636 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
639 /* The gfc_actual_arglist structure is for actual arguments. */
640 typedef struct gfc_actual_arglist
643 /* Alternate return label when the expr member is null. */
644 struct gfc_st_label
*label
;
646 /* This is set to the type of an eventual omitted optional
647 argument. This is used to determine if a hidden string length
648 argument has to be added to a function call. */
651 struct gfc_expr
*expr
;
652 struct gfc_actual_arglist
*next
;
656 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
659 /* Because a symbol can belong to multiple namelists, they must be
660 linked externally to the symbol itself. */
661 typedef struct gfc_namelist
663 struct gfc_symbol
*sym
;
664 struct gfc_namelist
*next
;
668 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
671 /* The gfc_st_label structure is a doubly linked list attached to a
672 namespace that records the usage of statement labels within that
674 /* TODO: Make format/statement specifics a union. */
675 typedef struct gfc_st_label
679 gfc_sl_type defined
, referenced
;
681 struct gfc_expr
*format
;
687 struct gfc_st_label
*prev
, *next
;
692 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
693 typedef struct gfc_interface
695 struct gfc_symbol
*sym
;
697 struct gfc_interface
*next
;
701 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
704 /* User operator nodes. These are like stripped down symbols. */
709 gfc_interface
*operator;
710 struct gfc_namespace
*ns
;
715 /* Symbol nodes. These are important things. They are what the
716 standard refers to as "entities". The possibly multiple names that
717 refer to the same entity are accomplished by a binary tree of
718 symtree structures that is balanced by the red-black method-- more
719 than one symtree node can point to any given symbol. */
721 typedef struct gfc_symbol
723 const char *name
; /* Primary name, before renaming */
724 const char *module
; /* Module this symbol came from */
728 symbol_attribute attr
;
730 /* The interface member points to the formal argument list if the
731 symbol is a function or subroutine name. If the symbol is a
732 generic name, the generic member points to the list of
735 gfc_interface
*generic
;
736 gfc_access component_access
;
738 gfc_formal_arglist
*formal
;
739 struct gfc_namespace
*formal_ns
;
741 struct gfc_expr
*value
; /* Parameter/Initializer value */
743 struct gfc_symbol
*result
; /* function result symbol */
744 gfc_component
*components
; /* Derived type components */
746 /* Defined only for Cray pointees; points to their pointer. */
747 struct gfc_symbol
*cp_pointer
;
749 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
751 /* This is in fact a gfc_common_head but it is only used for pointer
752 comparisons to check if symbols are in the same common block. */
753 struct gfc_common_head
* common_head
;
755 /* Make sure setup code for dummy arguments is generated in the correct
759 gfc_namelist
*namelist
, *namelist_tail
;
761 /* Change management fields. Symbols that might be modified by the
762 current statement have the mark member nonzero and are kept in a
763 singly linked list through the tlink field. Of these symbols,
764 symbols with old_symbol equal to NULL are symbols created within
765 the current statement. Otherwise, old_symbol points to a copy of
768 struct gfc_symbol
*old_symbol
, *tlink
;
769 unsigned mark
:1, new:1;
770 /* Nonzero if all equivalences associated with this symbol have been
772 unsigned equiv_built
:1;
774 struct gfc_namespace
*ns
; /* namespace containing this symbol */
781 /* This structure is used to keep track of symbols in common blocks. */
783 typedef struct gfc_common_head
786 int use_assoc
, saved
;
787 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
788 struct gfc_symbol
*head
;
792 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
795 /* A list of all the alternate entry points for a procedure. */
797 typedef struct gfc_entry_list
799 /* The symbol for this entry point. */
801 /* The zero-based id of this entry point. */
803 /* The LABEL_EXPR marking this entry point. */
805 /* The nest item in the list. */
806 struct gfc_entry_list
*next
;
810 #define gfc_get_entry_list() \
811 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
813 /* Within a namespace, symbols are pointed to by symtree nodes that
814 are linked together in a balanced binary tree. There can be
815 several symtrees pointing to the same symbol node via USE
818 #define BBT_HEADER(self) int priority; struct self *left, *right
820 typedef struct gfc_symtree
822 BBT_HEADER (gfc_symtree
);
827 gfc_symbol
*sym
; /* Symbol associated with this node */
829 gfc_common_head
*common
;
837 /* A namespace describes the contents of procedure, module or
839 /* ??? Anything else use these? */
841 typedef struct gfc_namespace
843 /* Tree containing all the symbols in this namespace. */
844 gfc_symtree
*sym_root
;
845 /* Tree containing all the user-defined operators in the namespace. */
846 gfc_symtree
*uop_root
;
847 /* Tree containing all the common blocks. */
848 gfc_symtree
*common_root
;
850 /* If set_flag[letter] is set, an implicit type has been set for letter. */
851 int set_flag
[GFC_LETTERS
];
852 /* Keeps track of the implicit types associated with the letters. */
853 gfc_typespec default_type
[GFC_LETTERS
];
855 /* If this is a namespace of a procedure, this points to the procedure. */
856 struct gfc_symbol
*proc_name
;
857 /* If this is the namespace of a unit which contains executable
858 code, this points to it. */
859 struct gfc_code
*code
;
861 /* Points to the equivalences set up in this namespace. */
862 struct gfc_equiv
*equiv
;
863 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
865 /* Points to the parent namespace, i.e. the namespace of a module or
866 procedure in which the procedure belonging to this namespace is
867 contained. The parent namespace points to this namespace either
868 directly via CONTAINED, or indirectly via the chain built by
870 struct gfc_namespace
*parent
;
871 /* CONTAINED points to the first contained namespace. Sibling
872 namespaces are chained via SIBLING. */
873 struct gfc_namespace
*contained
, *sibling
;
875 gfc_common_head blank_common
;
876 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
878 gfc_st_label
*st_labels
;
879 /* This list holds information about all the data initializers in
881 struct gfc_data
*data
;
883 gfc_charlen
*cl_list
;
885 int save_all
, seen_save
, seen_implicit_none
;
887 /* Normally we don't need to refcount namespaces. However when we read
888 a module containing a function with multiple entry points, this
889 will appear as several functions with the same formal namespace. */
892 /* A list of all alternate entry points to this procedure (or NULL). */
893 gfc_entry_list
*entries
;
895 /* Set to 1 if namespace is a BLOCK DATA program unit. */
900 extern gfc_namespace
*gfc_current_ns
;
902 /* Global symbols are symbols of global scope. Currently we only use
903 this to detect collisions already when parsing.
904 TODO: Extend to verify procedure calls. */
906 typedef struct gfc_gsymbol
908 BBT_HEADER(gfc_gsymbol
);
911 enum { GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
912 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
} type
;
919 extern gfc_gsymbol
*gfc_gsym_root
;
921 /* Information on interfaces being built. */
932 extern gfc_interface_info current_interface
;
935 /* Array reference. */
936 typedef struct gfc_array_ref
939 int dimen
; /* # of components in the reference */
943 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
944 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
945 *stride
[GFC_MAX_DIMENSIONS
];
948 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
949 dimen_type
[GFC_MAX_DIMENSIONS
];
951 struct gfc_expr
*offset
;
955 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
958 /* Component reference nodes. A variable is stored as an expression
959 node that points to the base symbol. After that, a singly linked
960 list of component reference nodes gives the variable's complete
961 resolution. The array_ref component may be present and comes
962 before the component component. */
965 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
968 typedef struct gfc_ref
974 struct gfc_array_ref ar
;
978 gfc_component
*component
;
985 struct gfc_expr
*start
, *end
; /* Substring */
993 struct gfc_ref
*next
;
997 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
1000 /* Structures representing intrinsic symbols and their arguments lists. */
1001 typedef struct gfc_intrinsic_arg
1003 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1007 gfc_actual_arglist
*actual
;
1009 struct gfc_intrinsic_arg
*next
;
1015 /* Specifies the various kinds of check functions used to verify the
1016 argument lists of intrinsic functions. fX with X an integer refer
1017 to check functions of intrinsics with X arguments. f1m is used for
1018 the MAX and MIN intrinsics which can have an arbitrary number of
1019 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1020 these have special semantics. */
1025 try (*f1
)(struct gfc_expr
*);
1026 try (*f1m
)(gfc_actual_arglist
*);
1027 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1028 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1029 try (*f3ml
)(gfc_actual_arglist
*);
1030 try (*f3red
)(gfc_actual_arglist
*);
1031 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1033 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1034 struct gfc_expr
*, struct gfc_expr
*);
1038 /* Like gfc_check_f, these specify the type of the simplification
1039 function associated with an intrinsic. The fX are just like in
1040 gfc_check_f. cc is used for type conversion functions. */
1044 struct gfc_expr
*(*f0
)(void);
1045 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1046 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1047 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1049 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1050 struct gfc_expr
*, struct gfc_expr
*);
1051 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1052 struct gfc_expr
*, struct gfc_expr
*,
1054 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1058 /* Again like gfc_check_f, these specify the type of the resolution
1059 function associated with an intrinsic. The fX are just like in
1060 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1065 void (*f0
)(struct gfc_expr
*);
1066 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1067 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1068 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1069 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1071 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1072 struct gfc_expr
*, struct gfc_expr
*);
1073 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1074 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1075 void (*s1
)(struct gfc_code
*);
1080 typedef struct gfc_intrinsic_sym
1082 const char *name
, *lib_name
;
1083 gfc_intrinsic_arg
*formal
;
1085 int elemental
, pure
, generic
, specific
, actual_ok
, standard
, noreturn
;
1087 gfc_simplify_f simplify
;
1089 gfc_resolve_f resolve
;
1090 struct gfc_intrinsic_sym
*specific_head
, *next
;
1091 gfc_generic_isym_id generic_id
;
1097 /* Expression nodes. The expression node types deserve explanations,
1098 since the last couple can be easily misconstrued:
1100 EXPR_OP Operator node pointing to one or two other nodes
1101 EXPR_FUNCTION Function call, symbol points to function's name
1102 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1103 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1104 which expresses structure, array and substring refs.
1105 EXPR_NULL The NULL pointer value (which also has a basic type).
1106 EXPR_SUBSTRING A substring of a constant string
1107 EXPR_STRUCTURE A structure constructor
1108 EXPR_ARRAY An array constructor. */
1112 #define GFC_RND_MODE GMP_RNDN
1114 typedef struct gfc_expr
1118 gfc_typespec ts
; /* These two refer to the overall expression */
1121 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1123 /* Nonnull for functions and structure constructors */
1124 gfc_symtree
*symtree
;
1130 /* True if it is converted from Hollerith constant. */
1131 unsigned int from_H
: 1;
1132 /* True if the expression is a call to a function that returns an array,
1133 and if we have decided not to allocate temporary data for that array. */
1134 unsigned int inline_noncopying_intrinsic
: 1;
1151 gfc_intrinsic_op
operator;
1153 struct gfc_expr
*op1
, *op2
;
1159 gfc_actual_arglist
*actual
;
1160 const char *name
; /* Points to the ultimate name of the function */
1161 gfc_intrinsic_sym
*isym
;
1173 struct gfc_constructor
*constructor
;
1181 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1183 /* Structures for information associated with different kinds of
1184 numbers. The first set of integer parameters define all there is
1185 to know about a particular kind. The rest of the elements are
1186 computed from the first elements. */
1190 /* Values really representable by the target. */
1191 mpz_t huge
, pedantic_min_int
, min_int
, max_int
;
1193 int kind
, radix
, digits
, bit_size
, range
;
1195 /* True if the C type of the given name maps to this precision.
1196 Note that more than one bit can be set. */
1197 unsigned int c_char
: 1;
1198 unsigned int c_short
: 1;
1199 unsigned int c_int
: 1;
1200 unsigned int c_long
: 1;
1201 unsigned int c_long_long
: 1;
1205 extern gfc_integer_info gfc_integer_kinds
[];
1212 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1213 unsigned int c_bool
: 1;
1217 extern gfc_logical_info gfc_logical_kinds
[];
1222 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1223 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1224 int range
, precision
;
1226 /* The precision of the type as reported by GET_MODE_PRECISION. */
1229 /* True if the C type of the given name maps to this precision.
1230 Note that more than one bit can be set. */
1231 unsigned int c_float
: 1;
1232 unsigned int c_double
: 1;
1233 unsigned int c_long_double
: 1;
1237 extern gfc_real_info gfc_real_kinds
[];
1240 /* Equivalence structures. Equivalent lvalues are linked along the
1241 *eq pointer, equivalence sets are strung along the *next node. */
1242 typedef struct gfc_equiv
1244 struct gfc_equiv
*next
, *eq
;
1251 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1254 /* gfc_case stores the selector list of a case statement. The *low
1255 and *high pointers can point to the same expression in the case of
1256 a single value. If *high is NULL, the selection is from *low
1257 upwards, if *low is NULL the selection is *high downwards.
1259 This structure has separate fields to allow single and double linked
1260 lists of CASEs at the same time. The singe linked list along the NEXT
1261 field is a list of cases for a single CASE label. The double linked
1262 list along the LEFT/RIGHT fields is used to detect overlap and to
1263 build a table of the cases for SELECT constructs with a CHARACTER
1266 typedef struct gfc_case
1268 /* Where we saw this case. */
1272 /* Case range values. If (low == high), it's a single value. If one of
1273 the labels is NULL, it's an unbounded case. If both are NULL, this
1274 represents the default case. */
1275 gfc_expr
*low
, *high
;
1277 /* Next case label in the list of cases for a single CASE label. */
1278 struct gfc_case
*next
;
1280 /* Used for detecting overlap, and for code generation. */
1281 struct gfc_case
*left
, *right
;
1283 /* True if this case label can never be matched. */
1288 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1293 gfc_expr
*var
, *start
, *end
, *step
;
1297 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1300 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1302 typedef struct gfc_alloc
1305 struct gfc_alloc
*next
;
1309 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1314 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1315 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
;
1323 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1331 gfc_expr
*unit
, *iostat
, *iomsg
;
1339 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1340 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1341 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1342 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
;
1352 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
;
1354 gfc_symbol
*namelist
;
1355 /* A format_label of `format_asterisk' indicates the "*" format */
1356 gfc_st_label
*format_label
;
1357 gfc_st_label
*err
, *end
, *eor
;
1359 locus eor_where
, end_where
;
1364 typedef struct gfc_forall_iterator
1366 gfc_expr
*var
, *start
, *end
, *stride
;
1367 struct gfc_forall_iterator
*next
;
1369 gfc_forall_iterator
;
1372 /* Executable statements that fill gfc_code structures. */
1375 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1376 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_ENTRY
,
1377 EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1378 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1379 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1380 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1381 EXEC_OPEN
, EXEC_CLOSE
,
1382 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1383 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
1387 typedef struct gfc_code
1391 struct gfc_code
*block
, *next
;
1394 gfc_st_label
*here
, *label
, *label2
, *label3
;
1395 gfc_symtree
*symtree
;
1396 gfc_expr
*expr
, *expr2
;
1397 /* A name isn't sufficient to identify a subroutine, we need the actual
1398 symbol for the interface definition.
1399 const char *sub_name; */
1400 gfc_symbol
*resolved_sym
;
1404 gfc_actual_arglist
*actual
;
1405 gfc_case
*case_list
;
1406 gfc_iterator
*iterator
;
1407 gfc_alloc
*alloc_list
;
1410 gfc_filepos
*filepos
;
1411 gfc_inquire
*inquire
;
1413 gfc_forall_iterator
*forall_iterator
;
1414 struct gfc_code
*whichloop
;
1416 gfc_entry_list
*entry
;
1418 ext
; /* Points to additional structures required by statement */
1420 /* Backend_decl is used for cycle and break labels in do loops, and
1421 probably for other constructs as well, once we translate them. */
1427 /* Storage for DATA statements. */
1428 typedef struct gfc_data_variable
1432 struct gfc_data_variable
*list
, *next
;
1437 typedef struct gfc_data_value
1439 unsigned int repeat
;
1441 struct gfc_data_value
*next
;
1446 typedef struct gfc_data
1448 gfc_data_variable
*var
;
1449 gfc_data_value
*value
;
1452 struct gfc_data
*next
;
1456 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1457 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1458 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1461 /* Structure for holding compile options */
1465 gfc_source_form source_form
;
1466 /* When fixed_line_length or free_line_length are 0, the whole line is used.
1468 Default is -1, the maximum line length mandated by the respective source
1470 for FORM_FREE GFC_MAX_LINE (132)
1473 If fixed_line_length or free_line_length is not 0 nor -1 then the user has
1474 requested a specific line-length.
1476 If the user requests a fixed_line_length <7 then gfc_init_options()
1477 emits a fatal error. */
1478 int fixed_line_length
; /* maximum line length in fixed-form. */
1479 int free_line_length
; /* maximum line length in free-form. */
1480 int max_identifier_length
;
1484 int warn_conversion
;
1485 int warn_implicit_interface
;
1486 int warn_line_truncation
;
1488 int warn_surprising
;
1489 int warn_unused_labels
;
1491 int flag_default_double
;
1492 int flag_default_integer
;
1493 int flag_default_real
;
1495 int flag_underscoring
;
1496 int flag_second_underscore
;
1497 int flag_implicit_none
;
1498 int flag_max_stack_var_size
;
1499 int flag_module_access_private
;
1500 int flag_no_backend
;
1501 int flag_pack_derived
;
1502 int flag_repack_arrays
;
1506 int flag_cray_pointer
;
1515 int warn_nonstd_intrinsics
;
1520 extern gfc_option_t gfc_option
;
1523 /* Constructor nodes for array and structure constructors. */
1524 typedef struct gfc_constructor
1527 gfc_iterator
*iterator
;
1529 struct gfc_constructor
*next
;
1532 mpz_t offset
; /* Record the offset of array element which appears in
1533 data statement like "data a(5)/4/". */
1534 gfc_component
*component
; /* Record the component being initialized. */
1537 mpz_t repeat
; /* Record the repeat number of initial values in data
1538 statement like "data a/5*10/". */
1543 typedef struct iterator_stack
1545 gfc_symtree
*variable
;
1547 struct iterator_stack
*prev
;
1550 extern iterator_stack
*iter_stack
;
1552 /************************ Function prototypes *************************/
1555 void gfc_formalize_init_value (gfc_symbol
*);
1556 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1557 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1558 void gfc_assign_data_value_range (gfc_expr
*, gfc_expr
*, mpz_t
, mpz_t
);
1559 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1562 void gfc_scanner_done_1 (void);
1563 void gfc_scanner_init_1 (void);
1565 void gfc_add_include_path (const char *);
1566 void gfc_release_include_path (void);
1567 FILE *gfc_open_included_file (const char *, bool);
1569 int gfc_at_end (void);
1570 int gfc_at_eof (void);
1571 int gfc_at_bol (void);
1572 int gfc_at_eol (void);
1573 void gfc_advance_line (void);
1574 int gfc_check_include (void);
1576 void gfc_skip_comments (void);
1577 int gfc_next_char_literal (int);
1578 int gfc_next_char (void);
1579 int gfc_peek_char (void);
1580 void gfc_error_recovery (void);
1581 void gfc_gobble_whitespace (void);
1582 try gfc_new_file (void);
1584 extern gfc_source_form gfc_current_form
;
1585 extern const char *gfc_source_file
;
1586 extern locus gfc_current_locus
;
1589 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1590 void gfc_free (void *);
1591 int gfc_terminal_width(void);
1592 void gfc_clear_ts (gfc_typespec
*);
1593 FILE *gfc_open_file (const char *);
1594 const char *gfc_basic_typename (bt
);
1595 const char *gfc_typename (gfc_typespec
*);
1597 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1598 "=" : gfc_code2string (intrinsic_operators, OP))
1600 const char *gfc_code2string (const mstring
*, int);
1601 int gfc_string2code (const mstring
*, const char *);
1602 const char *gfc_intent_string (sym_intent
);
1604 void gfc_init_1 (void);
1605 void gfc_init_2 (void);
1606 void gfc_done_1 (void);
1607 void gfc_done_2 (void);
1610 unsigned int gfc_init_options (unsigned int, const char **);
1611 int gfc_handle_option (size_t, const char *, int);
1612 bool gfc_post_options (const char **);
1615 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1619 typedef struct gfc_error_buf
1622 size_t allocated
, index
;
1626 void gfc_error_init_1 (void);
1627 void gfc_buffer_error (int);
1629 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1630 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1631 void gfc_clear_warning (void);
1632 void gfc_warning_check (void);
1634 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1635 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1636 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1637 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1638 void gfc_clear_error (void);
1639 int gfc_error_check (void);
1641 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1643 /* A general purpose syntax error. */
1644 #define gfc_syntax_error(ST) \
1645 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1647 void gfc_push_error (gfc_error_buf
*);
1648 void gfc_pop_error (gfc_error_buf
*);
1649 void gfc_free_error (gfc_error_buf
*);
1651 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1652 void gfc_status_char (char);
1654 void gfc_get_errors (int *, int *);
1657 void gfc_arith_init_1 (void);
1658 void gfc_arith_done_1 (void);
1659 gfc_expr
*gfc_enum_initializer (gfc_expr
*, locus
);
1660 arith
gfc_check_integer_range (mpz_t p
, int kind
);
1663 int gfc_validate_kind (bt
, int, bool);
1664 extern int gfc_index_integer_kind
;
1665 extern int gfc_default_integer_kind
;
1666 extern int gfc_max_integer_kind
;
1667 extern int gfc_default_real_kind
;
1668 extern int gfc_default_double_kind
;
1669 extern int gfc_default_character_kind
;
1670 extern int gfc_default_logical_kind
;
1671 extern int gfc_default_complex_kind
;
1672 extern int gfc_c_int_kind
;
1675 void gfc_clear_new_implicit (void);
1676 try gfc_add_new_implicit_range (int, int);
1677 try gfc_merge_new_implicit (gfc_typespec
*);
1678 void gfc_set_implicit_none (void);
1680 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1681 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1683 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1684 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1686 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1688 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1689 try gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
1690 try gfc_add_external (symbol_attribute
*, locus
*);
1691 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1692 try gfc_add_optional (symbol_attribute
*, locus
*);
1693 try gfc_add_pointer (symbol_attribute
*, locus
*);
1694 try gfc_add_cray_pointer (symbol_attribute
*, locus
*);
1695 try gfc_add_cray_pointee (symbol_attribute
*, locus
*);
1696 try gfc_mod_pointee_as (gfc_array_spec
*as
);
1697 try gfc_add_result (symbol_attribute
*, const char *, locus
*);
1698 try gfc_add_save (symbol_attribute
*, const char *, locus
*);
1699 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1700 try gfc_add_target (symbol_attribute
*, locus
*);
1701 try gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
1702 try gfc_add_generic (symbol_attribute
*, const char *, locus
*);
1703 try gfc_add_common (symbol_attribute
*, locus
*);
1704 try gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
1705 try gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
1706 try gfc_add_data (symbol_attribute
*, const char *, locus
*);
1707 try gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
1708 try gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
1709 try gfc_add_elemental (symbol_attribute
*, locus
*);
1710 try gfc_add_pure (symbol_attribute
*, locus
*);
1711 try gfc_add_recursive (symbol_attribute
*, locus
*);
1712 try gfc_add_function (symbol_attribute
*, const char *, locus
*);
1713 try gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
1715 try gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
1716 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
1717 try gfc_add_entry (symbol_attribute
*, const char *, locus
*);
1718 try gfc_add_procedure (symbol_attribute
*, procedure_type
,
1719 const char *, locus
*);
1720 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1721 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1722 gfc_formal_arglist
*, locus
*);
1723 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1725 void gfc_clear_attr (symbol_attribute
*);
1726 try gfc_missing_attr (symbol_attribute
*, locus
*);
1727 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1729 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1730 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1731 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1732 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1734 gfc_st_label
*gfc_get_st_label (int);
1735 void gfc_free_st_label (gfc_st_label
*);
1736 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1737 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1739 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
1740 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1741 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1742 gfc_user_op
*gfc_get_uop (const char *);
1743 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1744 void gfc_free_symbol (gfc_symbol
*);
1745 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1746 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1747 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1748 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1749 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1750 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1751 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1753 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1755 void gfc_undo_symbols (void);
1756 void gfc_commit_symbols (void);
1757 void gfc_free_namespace (gfc_namespace
*);
1759 void gfc_symbol_init_2 (void);
1760 void gfc_symbol_done_2 (void);
1762 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
1763 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1764 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1765 void gfc_save_all (gfc_namespace
*);
1767 void gfc_symbol_state (void);
1769 gfc_gsymbol
*gfc_get_gsymbol (const char *);
1770 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
1773 extern int gfc_init_expr
;
1775 /* Given a symbol that we have decided is intrinsic, mark it as such
1776 by placing it into a special module that is otherwise impossible to
1779 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1781 void gfc_intrinsic_init_1 (void);
1782 void gfc_intrinsic_done_1 (void);
1784 char gfc_type_letter (bt
);
1785 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1786 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1787 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1788 int gfc_generic_intrinsic (const char *);
1789 int gfc_specific_intrinsic (const char *);
1790 int gfc_intrinsic_name (const char *, int);
1791 gfc_intrinsic_sym
*gfc_find_function (const char *);
1793 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1794 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1797 void gfc_simplify_init_1 (void);
1799 /* match.c -- FIXME */
1800 void gfc_free_iterator (gfc_iterator
*, int);
1801 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1802 void gfc_free_alloc_list (gfc_alloc
*);
1803 void gfc_free_namelist (gfc_namelist
*);
1804 void gfc_free_equiv (gfc_equiv
*);
1805 void gfc_free_data (gfc_data
*);
1806 void gfc_free_case_list (gfc_case
*);
1809 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1810 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1811 const char *gfc_extract_int (gfc_expr
*, int *);
1813 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1814 void gfc_free_ref_list (gfc_ref
*);
1815 void gfc_type_convert_binary (gfc_expr
*);
1816 int gfc_is_constant_expr (gfc_expr
*);
1817 try gfc_simplify_expr (gfc_expr
*, int);
1818 int gfc_has_vector_index (gfc_expr
*);
1820 gfc_expr
*gfc_get_expr (void);
1821 void gfc_free_expr (gfc_expr
*);
1822 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1823 gfc_expr
*gfc_int_expr (int);
1824 gfc_expr
*gfc_logical_expr (int, locus
*);
1825 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1826 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
1827 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1829 try gfc_specification_expr (gfc_expr
*);
1831 int gfc_numeric_ts (gfc_typespec
*);
1832 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1834 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1835 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1836 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1837 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1839 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1840 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
1844 extern gfc_code new_st
;
1846 void gfc_clear_new_st (void);
1847 gfc_code
*gfc_get_code (void);
1848 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1849 void gfc_free_statement (gfc_code
*);
1850 void gfc_free_statements (gfc_code
*);
1853 try gfc_resolve_expr (gfc_expr
*);
1854 void gfc_resolve (gfc_namespace
*);
1855 int gfc_impure_variable (gfc_symbol
*);
1856 int gfc_pure (gfc_symbol
*);
1857 int gfc_elemental (gfc_symbol
*);
1858 try gfc_resolve_iterator (gfc_iterator
*, bool);
1859 try gfc_resolve_index (gfc_expr
*, int);
1860 try gfc_resolve_dim_arg (gfc_expr
*);
1861 int gfc_is_formal_arg (void);
1864 void gfc_free_array_spec (gfc_array_spec
*);
1865 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1867 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1868 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1869 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1871 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1873 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1874 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1875 void gfc_free_constructor (gfc_constructor
*);
1876 void gfc_simplify_iterator_var (gfc_expr
*);
1877 try gfc_expand_constructor (gfc_expr
*);
1878 int gfc_constant_ac (gfc_expr
*);
1879 int gfc_expanded_ac (gfc_expr
*);
1880 try gfc_resolve_array_constructor (gfc_expr
*);
1881 try gfc_check_constructor_type (gfc_expr
*);
1882 try gfc_check_iter_variable (gfc_expr
*);
1883 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1884 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1885 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1886 try gfc_array_size (gfc_expr
*, mpz_t
*);
1887 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1888 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1889 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1890 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1891 gfc_constructor
*gfc_get_constructor (void);
1892 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1893 try spec_size (gfc_array_spec
*, mpz_t
*);
1894 int gfc_is_compile_time_shape (gfc_array_spec
*);
1896 /* interface.c -- FIXME: some of these should be in symbol.c */
1897 void gfc_free_interface (gfc_interface
*);
1898 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1899 void gfc_check_interfaces (gfc_namespace
*);
1900 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1901 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1902 gfc_actual_arglist
**);
1903 try gfc_extend_expr (gfc_expr
*);
1904 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1905 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1906 try gfc_add_interface (gfc_symbol
* sym
);
1909 extern gfc_st_label format_asterisk
;
1911 void gfc_free_open (gfc_open
*);
1912 try gfc_resolve_open (gfc_open
*);
1913 void gfc_free_close (gfc_close
*);
1914 try gfc_resolve_close (gfc_close
*);
1915 void gfc_free_filepos (gfc_filepos
*);
1916 try gfc_resolve_filepos (gfc_filepos
*);
1917 void gfc_free_inquire (gfc_inquire
*);
1918 try gfc_resolve_inquire (gfc_inquire
*);
1919 void gfc_free_dt (gfc_dt
*);
1920 try gfc_resolve_dt (gfc_dt
*);
1923 void gfc_module_init_2 (void);
1924 void gfc_module_done_2 (void);
1925 void gfc_dump_module (const char *, int);
1926 bool gfc_check_access (gfc_access
, gfc_access
);
1929 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1930 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1933 void gfc_generate_code (gfc_namespace
*);
1934 void gfc_generate_module_code (gfc_namespace
*);
1937 typedef int (*compare_fn
) (void *, void *);
1938 void gfc_insert_bbt (void *, void *, compare_fn
);
1939 void gfc_delete_bbt (void *, void *, compare_fn
);
1941 /* dump-parse-tree.c */
1942 void gfc_show_namespace (gfc_namespace
*);
1945 try gfc_parse_file (void);
1947 #endif /* GCC_GFORTRAN_H */