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
,
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
,
390 GFC_ISYM_SET_EXPONENT
,
419 typedef enum gfc_generic_isym_id gfc_generic_isym_id
;
421 /************************* Structures *****************************/
423 /* Symbol attribute structure. */
426 /* Variable attributes. */
427 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
428 optional
:1, pointer
:1, save
:1, target
:1,
429 dummy
:1, result
:1, assign
:1;
431 unsigned data
:1, /* Symbol is named in a DATA statement. */
432 use_assoc
:1; /* Symbol has been use-associated. */
434 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
435 unsigned function
:1, subroutine
:1, generic
:1;
436 unsigned implicit_type
:1; /* Type defined via implicit rules. */
437 unsigned untyped
:1; /* No implicit type could be found. */
439 /* Function/subroutine attributes */
440 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
441 unsigned unmaskable
:1, masked
:1, contained
:1;
443 /* This is set if the subroutine doesn't return. Currently, this
444 is only possible for intrinsic subroutines. */
447 /* Set if this procedure is an alternate entry point. These procedures
448 don't have any code associated, and the backend will turn them into
449 thunks to the master function. */
452 /* Set if this is the master function for a procedure with multiple
454 unsigned entry_master
:1;
456 /* Set if this is the master function for a function with multiple
457 entry points where characteristics of the entry points differ. */
458 unsigned mixed_entry_master
:1;
460 /* Set if a function must always be referenced by an explicit interface. */
461 unsigned always_explicit
:1;
463 /* Set if the symbol has been referenced in an expression. No further
464 modification of type or type parameters is permitted. */
465 unsigned referenced
:1;
467 /* Set if the is the symbol for the main program. This is the least
468 cumbersome way to communicate this function property without
469 strcmp'ing with __MAIN everywhere. */
470 unsigned is_main_program
:1;
472 /* Mutually exclusive multibit attributes. */
473 ENUM_BITFIELD (gfc_access
) access
:2;
474 ENUM_BITFIELD (sym_intent
) intent
:2;
475 ENUM_BITFIELD (sym_flavor
) flavor
:4;
476 ENUM_BITFIELD (ifsrc
) if_source
:2;
478 ENUM_BITFIELD (procedure_type
) proc
:3;
484 /* The following three structures are used to identify a location in
487 gfc_file is used to maintain a tree of the source files and how
488 they include each other
490 gfc_linebuf holds a single line of source code and information
491 which file it resides in
493 locus point to the sourceline and the character in the source
497 typedef struct gfc_file
499 struct gfc_file
*included_by
, *next
, *up
;
500 int inclusion_line
, line
;
504 typedef struct gfc_linebuf
506 #ifdef USE_MAPPED_LOCATION
507 source_location location
;
511 struct gfc_file
*file
;
512 struct gfc_linebuf
*next
;
519 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
527 /* In order for the "gfc" format checking to work correctly, you must
528 have declared a typedef locus first. */
529 #if GCC_VERSION >= 4001
530 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
532 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
536 extern int gfc_suppress_error
;
539 /* Character length structures hold the expression that gives the
540 length of a character variable. We avoid putting these into
541 gfc_typespec because doing so prevents us from doing structure
542 copies and forces us to deallocate any typespecs we create, as well
543 as structures that contain typespecs. They also can have multiple
544 character typespecs pointing to them.
546 These structures form a singly linked list within the current
547 namespace and are deallocated with the namespace. It is possible to
548 end up with gfc_charlen structures that have nothing pointing to them. */
550 typedef struct gfc_charlen
552 struct gfc_expr
*length
;
553 struct gfc_charlen
*next
;
558 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
560 /* Type specification structure. FIXME: derived and cl could be union??? */
565 struct gfc_symbol
*derived
;
566 gfc_charlen
*cl
; /* For character types only. */
570 /* Array specification. */
573 int rank
; /* A rank of zero means that a variable is a scalar. */
575 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
579 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
582 /* Components of derived types. */
583 typedef struct gfc_component
588 int pointer
, dimension
;
593 struct gfc_expr
*initializer
;
594 struct gfc_component
*next
;
598 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
600 /* Formal argument lists are lists of symbols. */
601 typedef struct gfc_formal_arglist
603 /* Symbol representing the argument at this position in the arglist. */
604 struct gfc_symbol
*sym
;
605 /* Points to the next formal argument. */
606 struct gfc_formal_arglist
*next
;
610 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
613 /* The gfc_actual_arglist structure is for actual arguments. */
614 typedef struct gfc_actual_arglist
617 /* Alternate return label when the expr member is null. */
618 struct gfc_st_label
*label
;
620 /* This is set to the type of an eventual omitted optional
621 argument. This is used to determine if a hidden string length
622 argument has to be added to a function call. */
625 struct gfc_expr
*expr
;
626 struct gfc_actual_arglist
*next
;
630 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
633 /* Because a symbol can belong to multiple namelists, they must be
634 linked externally to the symbol itself. */
635 typedef struct gfc_namelist
637 struct gfc_symbol
*sym
;
638 struct gfc_namelist
*next
;
642 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
645 /* The gfc_st_label structure is a doubly linked list attached to a
646 namespace that records the usage of statement labels within that
648 /* TODO: Make format/statement specifics a union. */
649 typedef struct gfc_st_label
653 gfc_sl_type defined
, referenced
;
655 struct gfc_expr
*format
;
661 struct gfc_st_label
*prev
, *next
;
666 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
667 typedef struct gfc_interface
669 struct gfc_symbol
*sym
;
671 struct gfc_interface
*next
;
675 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
678 /* User operator nodes. These are like stripped down symbols. */
683 gfc_interface
*operator;
684 struct gfc_namespace
*ns
;
689 /* Symbol nodes. These are important things. They are what the
690 standard refers to as "entities". The possibly multiple names that
691 refer to the same entity are accomplished by a binary tree of
692 symtree structures that is balanced by the red-black method-- more
693 than one symtree node can point to any given symbol. */
695 typedef struct gfc_symbol
697 const char *name
; /* Primary name, before renaming */
698 const char *module
; /* Module this symbol came from */
702 symbol_attribute attr
;
704 /* The interface member points to the formal argument list if the
705 symbol is a function or subroutine name. If the symbol is a
706 generic name, the generic member points to the list of
709 gfc_interface
*generic
;
710 gfc_access component_access
;
712 gfc_formal_arglist
*formal
;
713 struct gfc_namespace
*formal_ns
;
715 struct gfc_expr
*value
; /* Parameter/Initializer value */
717 struct gfc_symbol
*result
; /* function result symbol */
718 gfc_component
*components
; /* Derived type components */
720 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
722 /* This is in fact a gfc_common_head but it is only used for pointer
723 comparisons to check if symbols are in the same common block. */
724 struct gfc_common_head
* common_head
;
726 /* Make sure setup code for dummy arguments is generated in the correct
730 gfc_namelist
*namelist
, *namelist_tail
;
732 /* Change management fields. Symbols that might be modified by the
733 current statement have the mark member nonzero and are kept in a
734 singly linked list through the tlink field. Of these symbols,
735 symbols with old_symbol equal to NULL are symbols created within
736 the current statement. Otherwise, old_symbol points to a copy of
739 struct gfc_symbol
*old_symbol
, *tlink
;
740 unsigned mark
:1, new:1;
741 /* Nonzero if all equivalences associated with this symbol have been
743 unsigned equiv_built
:1;
745 struct gfc_namespace
*ns
; /* namespace containing this symbol */
752 /* This structure is used to keep track of symbols in common blocks. */
754 typedef struct gfc_common_head
757 int use_assoc
, saved
;
758 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
759 struct gfc_symbol
*head
;
763 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
766 /* A list of all the alternate entry points for a procedure. */
768 typedef struct gfc_entry_list
770 /* The symbol for this entry point. */
772 /* The zero-based id of this entry point. */
774 /* The LABEL_EXPR marking this entry point. */
776 /* The nest item in the list. */
777 struct gfc_entry_list
*next
;
781 #define gfc_get_entry_list() \
782 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
784 /* Within a namespace, symbols are pointed to by symtree nodes that
785 are linked together in a balanced binary tree. There can be
786 several symtrees pointing to the same symbol node via USE
789 #define BBT_HEADER(self) int priority; struct self *left, *right
791 typedef struct gfc_symtree
793 BBT_HEADER (gfc_symtree
);
798 gfc_symbol
*sym
; /* Symbol associated with this node */
800 gfc_common_head
*common
;
808 /* A namespace describes the contents of procedure, module or
810 /* ??? Anything else use these? */
812 typedef struct gfc_namespace
814 /* Tree containing all the symbols in this namespace. */
815 gfc_symtree
*sym_root
;
816 /* Tree containing all the user-defined operators in the namespace. */
817 gfc_symtree
*uop_root
;
818 /* Tree containing all the common blocks. */
819 gfc_symtree
*common_root
;
821 /* If set_flag[letter] is set, an implicit type has been set for letter. */
822 int set_flag
[GFC_LETTERS
];
823 /* Keeps track of the implicit types associated with the letters. */
824 gfc_typespec default_type
[GFC_LETTERS
];
826 /* If this is a namespace of a procedure, this points to the procedure. */
827 struct gfc_symbol
*proc_name
;
828 /* If this is the namespace of a unit which contains executable
829 code, this points to it. */
830 struct gfc_code
*code
;
832 /* Points to the equivalences set up in this namespace. */
833 struct gfc_equiv
*equiv
;
834 gfc_interface
*operator[GFC_INTRINSIC_OPS
];
836 /* Points to the parent namespace, i.e. the namespace of a module or
837 procedure in which the procedure belonging to this namespace is
838 contained. The parent namespace points to this namespace either
839 directly via CONTAINED, or indirectly via the chain built by
841 struct gfc_namespace
*parent
;
842 /* CONTAINED points to the first contained namespace. Sibling
843 namespaces are chained via SIBLING. */
844 struct gfc_namespace
*contained
, *sibling
;
846 gfc_common_head blank_common
;
847 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
849 gfc_st_label
*st_labels
;
850 /* This list holds information about all the data initializers in
852 struct gfc_data
*data
;
854 gfc_charlen
*cl_list
;
856 int save_all
, seen_save
, seen_implicit_none
;
858 /* Normally we don't need to refcount namespaces. However when we read
859 a module containing a function with multiple entry points, this
860 will appear as several functions with the same formal namespace. */
863 /* A list of all alternate entry points to this procedure (or NULL). */
864 gfc_entry_list
*entries
;
866 /* Set to 1 if namespace is a BLOCK DATA program unit. */
871 extern gfc_namespace
*gfc_current_ns
;
873 /* Global symbols are symbols of global scope. Currently we only use
874 this to detect collisions already when parsing.
875 TODO: Extend to verify procedure calls. */
877 typedef struct gfc_gsymbol
879 BBT_HEADER(gfc_gsymbol
);
882 enum { GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
883 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
} type
;
890 extern gfc_gsymbol
*gfc_gsym_root
;
892 /* Information on interfaces being built. */
903 extern gfc_interface_info current_interface
;
906 /* Array reference. */
907 typedef struct gfc_array_ref
910 int dimen
; /* # of components in the reference */
914 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
915 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
916 *stride
[GFC_MAX_DIMENSIONS
];
919 { DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
}
920 dimen_type
[GFC_MAX_DIMENSIONS
];
922 struct gfc_expr
*offset
;
926 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
929 /* Component reference nodes. A variable is stored as an expression
930 node that points to the base symbol. After that, a singly linked
931 list of component reference nodes gives the variable's complete
932 resolution. The array_ref component may be present and comes
933 before the component component. */
936 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
939 typedef struct gfc_ref
945 struct gfc_array_ref ar
;
949 gfc_component
*component
;
956 struct gfc_expr
*start
, *end
; /* Substring */
964 struct gfc_ref
*next
;
968 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
971 /* Structures representing intrinsic symbols and their arguments lists. */
972 typedef struct gfc_intrinsic_arg
974 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
978 gfc_actual_arglist
*actual
;
980 struct gfc_intrinsic_arg
*next
;
986 /* Specifies the various kinds of check functions used to verify the
987 argument lists of intrinsic functions. fX with X an integer refer
988 to check functions of intrinsics with X arguments. f1m is used for
989 the MAX and MIN intrinsics which can have an arbitrary number of
990 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
991 these have special semantics. */
996 try (*f1
)(struct gfc_expr
*);
997 try (*f1m
)(gfc_actual_arglist
*);
998 try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
999 try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1000 try (*f3ml
)(gfc_actual_arglist
*);
1001 try (*f3red
)(gfc_actual_arglist
*);
1002 try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1004 try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1005 struct gfc_expr
*, struct gfc_expr
*);
1009 /* Like gfc_check_f, these specify the type of the simplification
1010 function associated with an intrinsic. The fX are just like in
1011 gfc_check_f. cc is used for type conversion functions. */
1015 struct gfc_expr
*(*f0
)(void);
1016 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1017 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1018 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1020 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1021 struct gfc_expr
*, struct gfc_expr
*);
1022 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1023 struct gfc_expr
*, struct gfc_expr
*,
1025 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1029 /* Again like gfc_check_f, these specify the type of the resolution
1030 function associated with an intrinsic. The fX are just like in
1031 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1036 void (*f0
)(struct gfc_expr
*);
1037 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1038 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1039 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1040 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1042 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1043 struct gfc_expr
*, struct gfc_expr
*);
1044 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1045 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1046 void (*s1
)(struct gfc_code
*);
1051 typedef struct gfc_intrinsic_sym
1053 const char *name
, *lib_name
;
1054 gfc_intrinsic_arg
*formal
;
1056 int elemental
, pure
, generic
, specific
, actual_ok
, standard
, noreturn
;
1058 gfc_simplify_f simplify
;
1060 gfc_resolve_f resolve
;
1061 struct gfc_intrinsic_sym
*specific_head
, *next
;
1062 gfc_generic_isym_id generic_id
;
1068 /* Expression nodes. The expression node types deserve explanations,
1069 since the last couple can be easily misconstrued:
1071 EXPR_OP Operator node pointing to one or two other nodes
1072 EXPR_FUNCTION Function call, symbol points to function's name
1073 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1074 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1075 which expresses structure, array and substring refs.
1076 EXPR_NULL The NULL pointer value (which also has a basic type).
1077 EXPR_SUBSTRING A substring of a constant string
1078 EXPR_STRUCTURE A structure constructor
1079 EXPR_ARRAY An array constructor. */
1083 #define GFC_RND_MODE GMP_RNDN
1085 typedef struct gfc_expr
1089 gfc_typespec ts
; /* These two refer to the overall expression */
1092 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1094 /* Nonnull for functions and structure constructors */
1095 gfc_symtree
*symtree
;
1101 /* True if it is converted from Hollerith constant. */
1102 unsigned int from_H
: 1;
1119 gfc_intrinsic_op
operator;
1121 struct gfc_expr
*op1
, *op2
;
1127 gfc_actual_arglist
*actual
;
1128 const char *name
; /* Points to the ultimate name of the function */
1129 gfc_intrinsic_sym
*isym
;
1141 struct gfc_constructor
*constructor
;
1149 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1151 /* Structures for information associated with different kinds of
1152 numbers. The first set of integer parameters define all there is
1153 to know about a particular kind. The rest of the elements are
1154 computed from the first elements. */
1158 /* Values really representable by the target. */
1159 mpz_t huge
, pedantic_min_int
, min_int
, max_int
;
1161 int kind
, radix
, digits
, bit_size
, range
;
1163 /* True if the C type of the given name maps to this precision.
1164 Note that more than one bit can be set. */
1165 unsigned int c_char
: 1;
1166 unsigned int c_short
: 1;
1167 unsigned int c_int
: 1;
1168 unsigned int c_long
: 1;
1169 unsigned int c_long_long
: 1;
1173 extern gfc_integer_info gfc_integer_kinds
[];
1180 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1181 unsigned int c_bool
: 1;
1185 extern gfc_logical_info gfc_logical_kinds
[];
1190 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1191 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1192 int range
, precision
;
1194 /* The precision of the type as reported by GET_MODE_PRECISION. */
1197 /* True if the C type of the given name maps to this precision.
1198 Note that more than one bit can be set. */
1199 unsigned int c_float
: 1;
1200 unsigned int c_double
: 1;
1201 unsigned int c_long_double
: 1;
1205 extern gfc_real_info gfc_real_kinds
[];
1208 /* Equivalence structures. Equivalent lvalues are linked along the
1209 *eq pointer, equivalence sets are strung along the *next node. */
1210 typedef struct gfc_equiv
1212 struct gfc_equiv
*next
, *eq
;
1219 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1222 /* gfc_case stores the selector list of a case statement. The *low
1223 and *high pointers can point to the same expression in the case of
1224 a single value. If *high is NULL, the selection is from *low
1225 upwards, if *low is NULL the selection is *high downwards.
1227 This structure has separate fields to allow single and double linked
1228 lists of CASEs at the same time. The singe linked list along the NEXT
1229 field is a list of cases for a single CASE label. The double linked
1230 list along the LEFT/RIGHT fields is used to detect overlap and to
1231 build a table of the cases for SELECT constructs with a CHARACTER
1234 typedef struct gfc_case
1236 /* Where we saw this case. */
1240 /* Case range values. If (low == high), it's a single value. If one of
1241 the labels is NULL, it's an unbounded case. If both are NULL, this
1242 represents the default case. */
1243 gfc_expr
*low
, *high
;
1245 /* Next case label in the list of cases for a single CASE label. */
1246 struct gfc_case
*next
;
1248 /* Used for detecting overlap, and for code generation. */
1249 struct gfc_case
*left
, *right
;
1251 /* True if this case label can never be matched. */
1256 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1261 gfc_expr
*var
, *start
, *end
, *step
;
1265 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1268 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1270 typedef struct gfc_alloc
1273 struct gfc_alloc
*next
;
1277 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1282 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1283 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
;
1291 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1299 gfc_expr
*unit
, *iostat
, *iomsg
;
1307 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1308 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1309 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1310 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
;
1320 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
;
1322 gfc_symbol
*namelist
;
1323 /* A format_label of `format_asterisk' indicates the "*" format */
1324 gfc_st_label
*format_label
;
1325 gfc_st_label
*err
, *end
, *eor
;
1327 locus eor_where
, end_where
;
1332 typedef struct gfc_forall_iterator
1334 gfc_expr
*var
, *start
, *end
, *stride
;
1335 struct gfc_forall_iterator
*next
;
1337 gfc_forall_iterator
;
1340 /* Executable statements that fill gfc_code structures. */
1343 EXEC_NOP
= 1, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
,
1344 EXEC_GOTO
, EXEC_CALL
, EXEC_RETURN
, EXEC_ENTRY
,
1345 EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
,
1346 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1347 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
1348 EXEC_ALLOCATE
, EXEC_DEALLOCATE
,
1349 EXEC_OPEN
, EXEC_CLOSE
,
1350 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1351 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
1355 typedef struct gfc_code
1359 struct gfc_code
*block
, *next
;
1362 gfc_st_label
*here
, *label
, *label2
, *label3
;
1363 gfc_symtree
*symtree
;
1364 gfc_expr
*expr
, *expr2
;
1365 /* A name isn't sufficient to identify a subroutine, we need the actual
1366 symbol for the interface definition.
1367 const char *sub_name; */
1368 gfc_symbol
*resolved_sym
;
1372 gfc_actual_arglist
*actual
;
1373 gfc_case
*case_list
;
1374 gfc_iterator
*iterator
;
1375 gfc_alloc
*alloc_list
;
1378 gfc_filepos
*filepos
;
1379 gfc_inquire
*inquire
;
1381 gfc_forall_iterator
*forall_iterator
;
1382 struct gfc_code
*whichloop
;
1384 gfc_entry_list
*entry
;
1386 ext
; /* Points to additional structures required by statement */
1388 /* Backend_decl is used for cycle and break labels in do loops, and
1389 * probably for other constructs as well, once we translate them. */
1395 /* Storage for DATA statements. */
1396 typedef struct gfc_data_variable
1400 struct gfc_data_variable
*list
, *next
;
1405 typedef struct gfc_data_value
1407 unsigned int repeat
;
1409 struct gfc_data_value
*next
;
1414 typedef struct gfc_data
1416 gfc_data_variable
*var
;
1417 gfc_data_value
*value
;
1420 struct gfc_data
*next
;
1424 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1425 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1426 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1429 /* Structure for holding compile options */
1433 gfc_source_form source_form
;
1434 int fixed_line_length
;
1435 int max_identifier_length
;
1439 int warn_conversion
;
1440 int warn_implicit_interface
;
1441 int warn_line_truncation
;
1443 int warn_surprising
;
1444 int warn_unused_labels
;
1446 int flag_default_double
;
1447 int flag_default_integer
;
1448 int flag_default_real
;
1450 int flag_underscoring
;
1451 int flag_second_underscore
;
1452 int flag_implicit_none
;
1453 int flag_max_stack_var_size
;
1454 int flag_module_access_private
;
1455 int flag_no_backend
;
1456 int flag_pack_derived
;
1457 int flag_repack_arrays
;
1469 int warn_nonstd_intrinsics
;
1473 extern gfc_option_t gfc_option
;
1476 /* Constructor nodes for array and structure constructors. */
1477 typedef struct gfc_constructor
1480 gfc_iterator
*iterator
;
1482 struct gfc_constructor
*next
;
1485 mpz_t offset
; /* Record the offset of array element which appears in
1486 data statement like "data a(5)/4/". */
1487 gfc_component
*component
; /* Record the component being initialized. */
1490 mpz_t repeat
; /* Record the repeat number of initial values in data
1491 statement like "data a/5*10/". */
1496 typedef struct iterator_stack
1498 gfc_symtree
*variable
;
1500 struct iterator_stack
*prev
;
1503 extern iterator_stack
*iter_stack
;
1505 /************************ Function prototypes *************************/
1508 void gfc_formalize_init_value (gfc_symbol
*);
1509 void gfc_get_section_index (gfc_array_ref
*, mpz_t
*, mpz_t
*);
1510 void gfc_assign_data_value (gfc_expr
*, gfc_expr
*, mpz_t
);
1511 void gfc_assign_data_value_range (gfc_expr
*, gfc_expr
*, mpz_t
, mpz_t
);
1512 void gfc_advance_section (mpz_t
*, gfc_array_ref
*, mpz_t
*);
1515 void gfc_scanner_done_1 (void);
1516 void gfc_scanner_init_1 (void);
1518 void gfc_add_include_path (const char *);
1519 void gfc_release_include_path (void);
1520 FILE *gfc_open_included_file (const char *);
1522 int gfc_at_end (void);
1523 int gfc_at_eof (void);
1524 int gfc_at_bol (void);
1525 int gfc_at_eol (void);
1526 void gfc_advance_line (void);
1527 int gfc_check_include (void);
1529 void gfc_skip_comments (void);
1530 int gfc_next_char_literal (int);
1531 int gfc_next_char (void);
1532 int gfc_peek_char (void);
1533 void gfc_error_recovery (void);
1534 void gfc_gobble_whitespace (void);
1535 try gfc_new_file (void);
1537 extern gfc_source_form gfc_current_form
;
1538 extern const char *gfc_source_file
;
1539 extern locus gfc_current_locus
;
1542 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
1543 void gfc_free (void *);
1544 int gfc_terminal_width(void);
1545 void gfc_clear_ts (gfc_typespec
*);
1546 FILE *gfc_open_file (const char *);
1547 const char *gfc_basic_typename (bt
);
1548 const char *gfc_typename (gfc_typespec
*);
1550 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1551 "=" : gfc_code2string (intrinsic_operators, OP))
1553 const char *gfc_code2string (const mstring
*, int);
1554 int gfc_string2code (const mstring
*, const char *);
1555 const char *gfc_intent_string (sym_intent
);
1557 void gfc_init_1 (void);
1558 void gfc_init_2 (void);
1559 void gfc_done_1 (void);
1560 void gfc_done_2 (void);
1563 unsigned int gfc_init_options (unsigned int, const char **);
1564 int gfc_handle_option (size_t, const char *, int);
1565 bool gfc_post_options (const char **);
1568 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
1572 typedef struct gfc_error_buf
1575 size_t allocated
, index
;
1579 void gfc_error_init_1 (void);
1580 void gfc_buffer_error (int);
1582 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1583 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1584 void gfc_clear_warning (void);
1585 void gfc_warning_check (void);
1587 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1588 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1589 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1590 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
1591 void gfc_clear_error (void);
1592 int gfc_error_check (void);
1594 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1596 /* A general purpose syntax error. */
1597 #define gfc_syntax_error(ST) \
1598 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1600 void gfc_push_error (gfc_error_buf
*);
1601 void gfc_pop_error (gfc_error_buf
*);
1602 void gfc_free_error (gfc_error_buf
*);
1604 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1
;
1605 void gfc_status_char (char);
1607 void gfc_get_errors (int *, int *);
1610 void gfc_arith_init_1 (void);
1611 void gfc_arith_done_1 (void);
1614 int gfc_validate_kind (bt
, int, bool);
1615 extern int gfc_index_integer_kind
;
1616 extern int gfc_default_integer_kind
;
1617 extern int gfc_max_integer_kind
;
1618 extern int gfc_default_real_kind
;
1619 extern int gfc_default_double_kind
;
1620 extern int gfc_default_character_kind
;
1621 extern int gfc_default_logical_kind
;
1622 extern int gfc_default_complex_kind
;
1623 extern int gfc_c_int_kind
;
1626 void gfc_clear_new_implicit (void);
1627 try gfc_add_new_implicit_range (int, int);
1628 try gfc_merge_new_implicit (gfc_typespec
*);
1629 void gfc_set_implicit_none (void);
1631 gfc_typespec
*gfc_get_default_type (gfc_symbol
*, gfc_namespace
*);
1632 try gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
1634 void gfc_set_component_attr (gfc_component
*, symbol_attribute
*);
1635 void gfc_get_component_attr (symbol_attribute
*, gfc_component
*);
1637 void gfc_set_sym_referenced (gfc_symbol
* sym
);
1639 try gfc_add_allocatable (symbol_attribute
*, locus
*);
1640 try gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
1641 try gfc_add_external (symbol_attribute
*, locus
*);
1642 try gfc_add_intrinsic (symbol_attribute
*, locus
*);
1643 try gfc_add_optional (symbol_attribute
*, locus
*);
1644 try gfc_add_pointer (symbol_attribute
*, locus
*);
1645 try gfc_add_result (symbol_attribute
*, const char *, locus
*);
1646 try gfc_add_save (symbol_attribute
*, const char *, locus
*);
1647 try gfc_add_saved_common (symbol_attribute
*, locus
*);
1648 try gfc_add_target (symbol_attribute
*, locus
*);
1649 try gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
1650 try gfc_add_generic (symbol_attribute
*, const char *, locus
*);
1651 try gfc_add_common (symbol_attribute
*, locus
*);
1652 try gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
1653 try gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
1654 try gfc_add_data (symbol_attribute
*, const char *, locus
*);
1655 try gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
1656 try gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
1657 try gfc_add_elemental (symbol_attribute
*, locus
*);
1658 try gfc_add_pure (symbol_attribute
*, locus
*);
1659 try gfc_add_recursive (symbol_attribute
*, locus
*);
1660 try gfc_add_function (symbol_attribute
*, const char *, locus
*);
1661 try gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
1663 try gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
1664 try gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
1665 try gfc_add_entry (symbol_attribute
*, const char *, locus
*);
1666 try gfc_add_procedure (symbol_attribute
*, procedure_type
,
1667 const char *, locus
*);
1668 try gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
1669 try gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
1670 gfc_formal_arglist
*, locus
*);
1671 try gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
1673 void gfc_clear_attr (symbol_attribute
*);
1674 try gfc_missing_attr (symbol_attribute
*, locus
*);
1675 try gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
1677 try gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
1678 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
1679 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
1680 gfc_component
*gfc_find_component (gfc_symbol
*, const char *);
1682 gfc_st_label
*gfc_get_st_label (int);
1683 void gfc_free_st_label (gfc_st_label
*);
1684 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
1685 try gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
1687 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
1688 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
1689 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
1690 gfc_user_op
*gfc_get_uop (const char *);
1691 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
1692 void gfc_free_symbol (gfc_symbol
*);
1693 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
1694 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
1695 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
1696 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
1697 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
1698 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
1699 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
1701 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
1703 void gfc_undo_symbols (void);
1704 void gfc_commit_symbols (void);
1705 void gfc_free_namespace (gfc_namespace
*);
1707 void gfc_symbol_init_2 (void);
1708 void gfc_symbol_done_2 (void);
1710 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
1711 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
1712 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
1713 void gfc_save_all (gfc_namespace
*);
1715 void gfc_symbol_state (void);
1717 gfc_gsymbol
*gfc_get_gsymbol (const char *);
1718 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
1721 extern int gfc_init_expr
;
1723 /* Given a symbol that we have decided is intrinsic, mark it as such
1724 by placing it into a special module that is otherwise impossible to
1727 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1729 void gfc_intrinsic_init_1 (void);
1730 void gfc_intrinsic_done_1 (void);
1732 char gfc_type_letter (bt
);
1733 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
1734 try gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
1735 try gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
1736 int gfc_generic_intrinsic (const char *);
1737 int gfc_specific_intrinsic (const char *);
1738 int gfc_intrinsic_name (const char *, int);
1739 gfc_intrinsic_sym
*gfc_find_function (const char *);
1741 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
1742 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
1745 void gfc_simplify_init_1 (void);
1747 /* match.c -- FIXME */
1748 void gfc_free_iterator (gfc_iterator
*, int);
1749 void gfc_free_forall_iterator (gfc_forall_iterator
*);
1750 void gfc_free_alloc_list (gfc_alloc
*);
1751 void gfc_free_namelist (gfc_namelist
*);
1752 void gfc_free_equiv (gfc_equiv
*);
1753 void gfc_free_data (gfc_data
*);
1754 void gfc_free_case_list (gfc_case
*);
1757 void gfc_free_actual_arglist (gfc_actual_arglist
*);
1758 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
1759 const char *gfc_extract_int (gfc_expr
*, int *);
1761 gfc_expr
*gfc_build_conversion (gfc_expr
*);
1762 void gfc_free_ref_list (gfc_ref
*);
1763 void gfc_type_convert_binary (gfc_expr
*);
1764 int gfc_is_constant_expr (gfc_expr
*);
1765 try gfc_simplify_expr (gfc_expr
*, int);
1767 gfc_expr
*gfc_get_expr (void);
1768 void gfc_free_expr (gfc_expr
*);
1769 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
1770 gfc_expr
*gfc_int_expr (int);
1771 gfc_expr
*gfc_logical_expr (int, locus
*);
1772 mpz_t
*gfc_copy_shape (mpz_t
*, int);
1773 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
1774 gfc_expr
*gfc_copy_expr (gfc_expr
*);
1776 try gfc_specification_expr (gfc_expr
*);
1778 int gfc_numeric_ts (gfc_typespec
*);
1779 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
1781 try gfc_check_conformance (const char *, gfc_expr
*, gfc_expr
*);
1782 try gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
1783 try gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
1784 try gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
1786 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
1787 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
1791 extern gfc_code new_st
;
1793 void gfc_clear_new_st (void);
1794 gfc_code
*gfc_get_code (void);
1795 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
1796 void gfc_free_statement (gfc_code
*);
1797 void gfc_free_statements (gfc_code
*);
1800 try gfc_resolve_expr (gfc_expr
*);
1801 void gfc_resolve (gfc_namespace
*);
1802 int gfc_impure_variable (gfc_symbol
*);
1803 int gfc_pure (gfc_symbol
*);
1804 int gfc_elemental (gfc_symbol
*);
1805 try gfc_resolve_iterator (gfc_iterator
*, bool);
1806 try gfc_resolve_index (gfc_expr
*, int);
1807 try gfc_resolve_dim_arg (gfc_expr
*);
1810 void gfc_free_array_spec (gfc_array_spec
*);
1811 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
1813 try gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
1814 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
1815 try gfc_resolve_array_spec (gfc_array_spec
*, int);
1817 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
1819 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
1820 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
1821 void gfc_free_constructor (gfc_constructor
*);
1822 void gfc_simplify_iterator_var (gfc_expr
*);
1823 try gfc_expand_constructor (gfc_expr
*);
1824 int gfc_constant_ac (gfc_expr
*);
1825 int gfc_expanded_ac (gfc_expr
*);
1826 try gfc_resolve_array_constructor (gfc_expr
*);
1827 try gfc_check_constructor_type (gfc_expr
*);
1828 try gfc_check_iter_variable (gfc_expr
*);
1829 try gfc_check_constructor (gfc_expr
*, try (*)(gfc_expr
*));
1830 gfc_constructor
*gfc_copy_constructor (gfc_constructor
* src
);
1831 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
1832 try gfc_array_size (gfc_expr
*, mpz_t
*);
1833 try gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
1834 try gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
1835 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
1836 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
1837 gfc_constructor
*gfc_get_constructor (void);
1838 tree
gfc_conv_array_initializer (tree type
, gfc_expr
* expr
);
1839 try spec_size (gfc_array_spec
*, mpz_t
*);
1840 int gfc_is_compile_time_shape (gfc_array_spec
*);
1842 /* interface.c -- FIXME: some of these should be in symbol.c */
1843 void gfc_free_interface (gfc_interface
*);
1844 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
1845 void gfc_check_interfaces (gfc_namespace
*);
1846 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
1847 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
1848 gfc_actual_arglist
**);
1849 try gfc_extend_expr (gfc_expr
*);
1850 void gfc_free_formal_arglist (gfc_formal_arglist
*);
1851 try gfc_extend_assign (gfc_code
*, gfc_namespace
*);
1852 try gfc_add_interface (gfc_symbol
* sym
);
1855 extern gfc_st_label format_asterisk
;
1857 void gfc_free_open (gfc_open
*);
1858 try gfc_resolve_open (gfc_open
*);
1859 void gfc_free_close (gfc_close
*);
1860 try gfc_resolve_close (gfc_close
*);
1861 void gfc_free_filepos (gfc_filepos
*);
1862 try gfc_resolve_filepos (gfc_filepos
*);
1863 void gfc_free_inquire (gfc_inquire
*);
1864 try gfc_resolve_inquire (gfc_inquire
*);
1865 void gfc_free_dt (gfc_dt
*);
1866 try gfc_resolve_dt (gfc_dt
*);
1869 void gfc_module_init_2 (void);
1870 void gfc_module_done_2 (void);
1871 void gfc_dump_module (const char *, int);
1872 bool gfc_check_access (gfc_access
, gfc_access
);
1875 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
1876 symbol_attribute
gfc_expr_attr (gfc_expr
*);
1879 void gfc_generate_code (gfc_namespace
*);
1880 void gfc_generate_module_code (gfc_namespace
*);
1883 typedef int (*compare_fn
) (void *, void *);
1884 void gfc_insert_bbt (void *, void *, compare_fn
);
1885 void gfc_delete_bbt (void *, void *, compare_fn
);
1887 /* dump-parse-tree.c */
1888 void gfc_show_namespace (gfc_namespace
*);
1891 try gfc_parse_file (void);
1893 #endif /* GCC_GFORTRAN_H */