1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
4 Contributed by Andy Vaught
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #ifndef GCC_GFORTRAN_H
24 #define GCC_GFORTRAN_H
26 /* It's probably insane to have this large of a header file, but it
27 seemed like everything had to be recompiled anyway when a change
28 was made to a header file, and there were ordering issues with
29 multiple header files. Besides, Microsoft's winnt.h was 250k last
30 time I looked, so by comparison this is perfectly reasonable. */
33 #include "coretypes.h"
36 /* The following ifdefs are recommended by the autoconf documentation
37 for any code using alloca. */
39 /* AIX requires this to be the first thing in the file. */
41 #else /* not __GNUC__ */
44 #else /* do not HAVE_ALLOCA_H */
48 #ifndef alloca /* predefined by HP cc +Olibcalls */
50 #endif /* not predefined */
52 #endif /* do not HAVE_ALLOCA_H */
53 #endif /* not __GNUC__ */
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63
58 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
59 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
60 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
61 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
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 /* Macro to initialize an mstring structure. */
82 #define minit(s, t) { s, NULL, t }
84 /* Structure for storing strings to be matched by gfc_match_string. */
94 /* Flags to specify which standard/extension contains a feature. */
95 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
96 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
97 /* Note that no features were obsoleted nor deleted in F2003. */
98 #define GFC_STD_F95 (1<<3) /* New in F95. */
99 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
100 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
101 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
103 /*************************** Enums *****************************/
105 /* The author remains confused to this day about the convention of
106 returning '0' for 'SUCCESS'... or was it the other way around? The
107 following enum makes things much more readable. We also start
108 values off at one instead of zero. */
111 { SUCCESS = 1, FAILURE }
114 /* Matchers return one of these three values. The difference between
115 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
116 successful, but that something non-syntactic is wrong and an error
117 has already been issued. */
120 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
124 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
128 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
129 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE
133 /* Expression node types. */
135 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
136 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
142 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
143 AS_ASSUMED_SIZE, AS_UNKNOWN
148 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
151 /* Statement label types. */
153 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
154 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
158 /* Intrinsic operators. */
160 { GFC_INTRINSIC_BEGIN = 0,
161 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
162 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
163 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
164 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
165 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
166 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
168 GFC_INTRINSIC_END /* Sentinel */
173 /* Strings for all intrinsic operators. */
174 extern mstring intrinsic_operators[];
177 /* This macro is the number of intrinsic operators that exist.
178 Assumptions are made about the numbering of the interface_op enums. */
179 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
181 /* Arithmetic results. */
183 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
184 ARITH_DIV0, ARITH_0TO0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
191 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
192 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
193 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
194 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
195 ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
196 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
197 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
198 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
199 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
200 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
201 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
203 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
204 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
205 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
210 /* Types of interfaces that we can have. Assignment interfaces are
211 considered to be intrinsic operators. */
214 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
215 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
219 /* Symbol flavors: these are all mutually exclusive.
220 10 elements = 4 bits. */
223 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
224 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
228 /* Procedure types. 7 elements = 3 bits. */
230 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
231 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
237 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
243 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE,
247 /* Flags to keep track of where an interface came from.
248 4 elements = 2 bits. */
250 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
254 /* Strings for all symbol attributes. We use these for dumping the
255 parse tree, in error messages, and also when reading and writing
256 modules. In symbol.c. */
257 extern const mstring flavors[];
258 extern const mstring procedures[];
259 extern const mstring intents[];
260 extern const mstring access_types[];
261 extern const mstring ifsrc_types[];
263 /* Enumeration of all the generic intrinsic functions. Used by the
264 backend for identification of a function. */
266 enum gfc_generic_isym_id
268 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
269 the backend (eg. KIND). */
296 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
304 GFC_ISYM_DOT_PRODUCT,
368 GFC_ISYM_SET_EXPONENT,
394 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
396 /************************* Structures *****************************/
398 /* Symbol attribute structure. */
401 /* Variable attributes. */
402 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
403 optional:1, pointer:1, save:1, target:1,
404 dummy:1, result:1, assign:1;
406 unsigned data:1, /* Symbol is named in a DATA statement. */
407 use_assoc:1; /* Symbol has been use-associated. */
409 unsigned in_namelist:1, in_common:1;
410 unsigned function:1, subroutine:1, generic:1;
411 unsigned implicit_type:1; /* Type defined via implicit rules */
413 /* Function/subroutine attributes */
414 unsigned sequence:1, elemental:1, pure:1, recursive:1;
415 unsigned unmaskable:1, masked:1, contained:1;
417 /* Set if this procedure is an alternate entry point. These procedures
418 don't have any code associated, and the backend will turn them into
419 thunks to the master function. */
421 /* Set if this is the master function for a procedure with multiple
423 unsigned entry_master:1;
425 /* Set if a function must always be referenced by an explicit interface. */
426 unsigned always_explicit:1;
428 /* Set if the symbol has been referenced in an expression. No further
429 modification of type or type parameters is permitted. */
430 unsigned referenced:1;
432 /* Mutually exclusive multibit attributes. */
438 procedure_type proc:3;
444 /* The following three structures are used to identify a location in
447 gfc_file is used to maintain a tree of the source files and how
448 they include each other
450 gfc_linebuf holds a single line of source code and information
451 which file it resides in
453 locus point to the sourceline and the character in the source
457 typedef struct gfc_file
459 struct gfc_file *included_by, *next, *up;
460 int inclusion_line, line;
464 typedef struct gfc_linebuf
466 #ifdef USE_MAPPED_LOCATION
467 source_location location;
471 struct gfc_file *file;
472 struct gfc_linebuf *next;
477 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
488 # include <sys/param.h>
489 # define PATH_MAX MAXPATHLEN
493 extern int gfc_suppress_error;
496 /* Character length structures hold the expression that gives the
497 length of a character variable. We avoid putting these into
498 gfc_typespec because doing so prevents us from doing structure
499 copies and forces us to deallocate any typespecs we create, as well
500 as structures that contain typespecs. They also can have multiple
501 character typespecs pointing to them.
503 These structures form a singly linked list within the current
504 namespace and are deallocated with the namespace. It is possible to
505 end up with gfc_charlen structures that have nothing pointing to them. */
507 typedef struct gfc_charlen
509 struct gfc_expr *length;
510 struct gfc_charlen *next;
515 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
517 /* Type specification structure. FIXME: derived and cl could be union??? */
522 struct gfc_symbol *derived;
523 gfc_charlen *cl; /* For character types only. */
527 /* Array specification. */
530 int rank; /* A rank of zero means that a variable is a scalar. */
532 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
536 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
539 /* Components of derived types. */
540 typedef struct gfc_component
542 char name[GFC_MAX_SYMBOL_LEN + 1];
545 int pointer, dimension;
550 struct gfc_expr *initializer;
551 struct gfc_component *next;
555 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
557 /* Formal argument lists are lists of symbols. */
558 typedef struct gfc_formal_arglist
560 /* Symbol representing the argument at this position in the arglist. */
561 struct gfc_symbol *sym;
562 /* Points to the next formal argument. */
563 struct gfc_formal_arglist *next;
567 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
570 /* The gfc_actual_arglist structure is for actual arguments. */
571 typedef struct gfc_actual_arglist
573 char name[GFC_MAX_SYMBOL_LEN + 1];
574 /* Alternate return label when the expr member is null. */
575 struct gfc_st_label *label;
577 /* This is set to the type of an eventual omitted optional
578 argument. This is used to determine if a hidden string length
579 argument has to be added to a function call. */
582 struct gfc_expr *expr;
583 struct gfc_actual_arglist *next;
587 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
590 /* Because a symbol can belong to multiple namelists, they must be
591 linked externally to the symbol itself. */
592 typedef struct gfc_namelist
594 struct gfc_symbol *sym;
595 struct gfc_namelist *next;
599 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
602 /* The gfc_st_label structure is a doubly linked list attached to a
603 namespace that records the usage of statement labels within that
605 /* TODO: Make format/statement specifics a union. */
606 typedef struct gfc_st_label
610 gfc_sl_type defined, referenced;
612 struct gfc_expr *format;
618 struct gfc_st_label *prev, *next;
623 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
624 typedef struct gfc_interface
626 struct gfc_symbol *sym;
628 struct gfc_interface *next;
632 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
635 /* User operator nodes. These are like stripped down symbols. */
638 char name[GFC_MAX_SYMBOL_LEN + 1];
640 gfc_interface *operator;
641 struct gfc_namespace *ns;
646 /* Symbol nodes. These are important things. They are what the
647 standard refers to as "entities". The possibly multiple names that
648 refer to the same entity are accomplished by a binary tree of
649 symtree structures that is balanced by the red-black method-- more
650 than one symtree node can point to any given symbol. */
652 typedef struct gfc_symbol
654 char name[GFC_MAX_SYMBOL_LEN + 1]; /* Primary name, before renaming */
655 char module[GFC_MAX_SYMBOL_LEN + 1]; /* Module this symbol came from */
659 symbol_attribute attr;
661 /* The interface member points to the formal argument list if the
662 symbol is a function or subroutine name. If the symbol is a
663 generic name, the generic member points to the list of
666 gfc_interface *generic;
667 gfc_access component_access;
669 gfc_formal_arglist *formal;
670 struct gfc_namespace *formal_ns;
672 struct gfc_expr *value; /* Parameter/Initializer value */
674 struct gfc_symbol *result; /* function result symbol */
675 gfc_component *components; /* Derived type components */
677 struct gfc_symbol *common_next; /* Links for COMMON syms */
678 /* Make sure setup code for dummy arguments is generated in the correct
682 gfc_namelist *namelist, *namelist_tail;
684 /* Change management fields. Symbols that might be modified by the
685 current statement have the mark member nonzero and are kept in a
686 singly linked list through the tlink field. Of these symbols,
687 symbols with old_symbol equal to NULL are symbols created within
688 the current statement. Otherwise, old_symbol points to a copy of
691 struct gfc_symbol *old_symbol, *tlink;
692 unsigned mark:1, new:1;
693 /* Nonzero if all equivalences associated with this symbol have been
695 unsigned equiv_built:1;
697 struct gfc_namespace *ns; /* namespace containing this symbol */
704 /* This structure is used to keep track of symbols in common blocks. */
709 int use_assoc, saved;
710 char name[GFC_MAX_SYMBOL_LEN + 1];
715 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
718 /* A list of all the alternate entry points for a procedure. */
720 typedef struct gfc_entry_list
722 /* The symbol for this entry point. */
724 /* The zero-based id of this entry point. */
726 /* The LABEL_EXPR marking this entry point. */
728 /* The nest item in the list. */
729 struct gfc_entry_list *next;
733 #define gfc_get_entry_list() \
734 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
736 /* Within a namespace, symbols are pointed to by symtree nodes that
737 are linked together in a balanced binary tree. There can be
738 several symtrees pointing to the same symbol node via USE
741 #define BBT_HEADER(self) int priority; struct self *left, *right
743 typedef struct gfc_symtree
745 BBT_HEADER (gfc_symtree);
746 char name[GFC_MAX_SYMBOL_LEN + 1];
750 gfc_symbol *sym; /* Symbol associated with this node */
752 gfc_common_head *common;
760 /* A namespace describes the contents of procedure, module or
762 /* ??? Anything else use these? */
764 typedef struct gfc_namespace
766 /* Tree containing all the symbols in this namespace. */
767 gfc_symtree *sym_root;
768 /* Tree containing all the user-defined operators in the namespace. */
769 gfc_symtree *uop_root;
770 /* Tree containing all the common blocks. */
771 gfc_symtree *common_root;
773 /* If set_flag[letter] is set, an implicit type has been set for letter. */
774 int set_flag[GFC_LETTERS];
775 /* Keeps track of the implicit types associated with the letters. */
776 gfc_typespec default_type[GFC_LETTERS];
778 /* If this is a namespace of a procedure, this points to the procedure. */
779 struct gfc_symbol *proc_name;
780 /* If this is the namespace of a unit which contains executable
781 code, this points to it. */
782 struct gfc_code *code;
784 /* Points to the equivalences set up in this namespace. */
785 struct gfc_equiv *equiv;
786 gfc_interface *operator[GFC_INTRINSIC_OPS];
788 /* Points to the parent namespace, i.e. the namespace of a module or
789 procedure in which the procedure belonging to this namespace is
790 contained. The parent namespace points to this namespace either
791 directly via CONTAINED, or indirectly via the chain built by
793 struct gfc_namespace *parent;
794 /* CONTAINED points to the first contained namespace. Sibling
795 namespaces are chained via SIBLING. */
796 struct gfc_namespace *contained, *sibling;
798 gfc_common_head blank_common;
799 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
801 gfc_st_label *st_labels;
802 /* This list holds information about all the data initializers in
804 struct gfc_data *data;
806 gfc_charlen *cl_list;
808 int save_all, seen_save;
810 /* Normally we don't need to refcount namespaces. However when we read
811 a module containing a function with multiple entry points, this
812 will appear as several functions with the same formal namespace. */
815 /* A list of all alternate entry points to this procedure (or NULL). */
816 gfc_entry_list *entries;
818 /* Set to 1 if namespace is a BLOCK DATA program unit. */
823 extern gfc_namespace *gfc_current_ns;
825 /* Global symbols are symbols of global scope. Currently we only use
826 this to detect collisions already when parsing.
827 TODO: Extend to verify procedure calls. */
829 typedef struct gfc_gsymbol
831 BBT_HEADER(gfc_gsymbol);
833 char name[GFC_MAX_SYMBOL_LEN+1];
834 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
835 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
842 extern gfc_gsymbol *gfc_gsym_root;
844 /* Information on interfaces being built. */
855 extern gfc_interface_info current_interface;
858 /* Array reference. */
859 typedef struct gfc_array_ref
862 int dimen; /* # of components in the reference */
866 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
867 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
868 *stride[GFC_MAX_DIMENSIONS];
871 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
872 dimen_type[GFC_MAX_DIMENSIONS];
874 struct gfc_expr *offset;
878 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
881 /* Component reference nodes. A variable is stored as an expression
882 node that points to the base symbol. After that, a singly linked
883 list of component reference nodes gives the variable's complete
884 resolution. The array_ref component may be present and comes
885 before the component component. */
888 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
891 typedef struct gfc_ref
897 struct gfc_array_ref ar;
901 gfc_component *component;
908 struct gfc_expr *start, *end; /* Substring */
916 struct gfc_ref *next;
920 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
923 /* Structures representing intrinsic symbols and their arguments lists. */
924 typedef struct gfc_intrinsic_arg
926 char name[GFC_MAX_SYMBOL_LEN + 1];
930 gfc_actual_arglist *actual;
932 struct gfc_intrinsic_arg *next;
938 /* Specifies the various kinds of check functions used to verify the
939 argument lists of intrinsic functions. fX with X an integer refer
940 to check functions of intrinsics with X arguments. f1m is used for
941 the MAX and MIN intrinsics which can have an arbitrary number of
942 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
943 these have special semantics. */
948 try (*f1)(struct gfc_expr *);
949 try (*f1m)(gfc_actual_arglist *);
950 try (*f2)(struct gfc_expr *, struct gfc_expr *);
951 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
952 try (*f3ml)(gfc_actual_arglist *);
953 try (*f3red)(gfc_actual_arglist *);
954 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
956 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
957 struct gfc_expr *, struct gfc_expr *);
961 /* Like gfc_check_f, these specify the type of the simplification
962 function associated with an intrinsic. The fX are just like in
963 gfc_check_f. cc is used for type conversion functions. */
967 struct gfc_expr *(*f0)(void);
968 struct gfc_expr *(*f1)(struct gfc_expr *);
969 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
970 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
972 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
973 struct gfc_expr *, struct gfc_expr *);
974 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
975 struct gfc_expr *, struct gfc_expr *,
977 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
981 /* Again like gfc_check_f, these specify the type of the resolution
982 function associated with an intrinsic. The fX are just like in
983 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
988 void (*f0)(struct gfc_expr *);
989 void (*f1)(struct gfc_expr *, struct gfc_expr *);
990 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
991 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
992 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
994 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
995 struct gfc_expr *, struct gfc_expr *);
996 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
997 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
998 void (*s1)(struct gfc_code *);
1003 typedef struct gfc_intrinsic_sym
1005 char name[GFC_MAX_SYMBOL_LEN + 1], lib_name[GFC_MAX_SYMBOL_LEN + 1];
1006 gfc_intrinsic_arg *formal;
1008 int elemental, pure, generic, specific, actual_ok, standard;
1010 gfc_simplify_f simplify;
1012 gfc_resolve_f resolve;
1013 struct gfc_intrinsic_sym *specific_head, *next;
1014 gfc_generic_isym_id generic_id;
1020 /* Expression nodes. The expression node types deserve explanations,
1021 since the last couple can be easily misconstrued:
1023 EXPR_OP Operator node pointing to one or two other nodes
1024 EXPR_FUNCTION Function call, symbol points to function's name
1025 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1026 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1027 which expresses structure, array and substring refs.
1028 EXPR_NULL The NULL pointer value (which also has a basic type).
1029 EXPR_SUBSTRING A substring of a constant string
1030 EXPR_STRUCTURE A structure constructor
1031 EXPR_ARRAY An array constructor. */
1035 #define GFC_RND_MODE GMP_RNDN
1037 typedef struct gfc_expr
1041 gfc_typespec ts; /* These two refer to the overall expression */
1044 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1046 gfc_intrinsic_op operator;
1048 /* Nonnull for functions and structure constructors */
1049 gfc_symtree *symtree;
1054 struct gfc_expr *op1, *op2;
1072 gfc_actual_arglist *actual;
1073 const char *name; /* Points to the ultimate name of the function */
1074 gfc_intrinsic_sym *isym;
1086 struct gfc_constructor *constructor;
1094 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1096 /* Structures for information associated with different kinds of
1097 numbers. The first set of integer parameters define all there is
1098 to know about a particular kind. The rest of the elements are
1099 computed from the first elements. */
1103 /* Values really representable by the target. */
1104 mpz_t huge, pedantic_min_int, min_int, max_int;
1106 int kind, radix, digits, bit_size, range;
1108 /* True if the C type of the given name maps to this precision.
1109 Note that more than one bit can be set. */
1110 unsigned int c_char : 1;
1111 unsigned int c_short : 1;
1112 unsigned int c_int : 1;
1113 unsigned int c_long : 1;
1114 unsigned int c_long_long : 1;
1118 extern gfc_integer_info gfc_integer_kinds[];
1125 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1126 unsigned int c_bool : 1;
1130 extern gfc_logical_info gfc_logical_kinds[];
1135 mpfr_t epsilon, huge, tiny;
1136 int kind, radix, digits, min_exponent, max_exponent;
1137 int range, precision;
1139 /* The precision of the type as reported by GET_MODE_PRECISION. */
1142 /* True if the C type of the given name maps to this precision.
1143 Note that more than one bit can be set. */
1144 unsigned int c_float : 1;
1145 unsigned int c_double : 1;
1146 unsigned int c_long_double : 1;
1150 extern gfc_real_info gfc_real_kinds[];
1153 /* Equivalence structures. Equivalent lvalues are linked along the
1154 *eq pointer, equivalence sets are strung along the *next node. */
1155 typedef struct gfc_equiv
1157 struct gfc_equiv *next, *eq;
1163 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1166 /* gfc_case stores the selector list of a case statement. The *low
1167 and *high pointers can point to the same expression in the case of
1168 a single value. If *high is NULL, the selection is from *low
1169 upwards, if *low is NULL the selection is *high downwards.
1171 This structure has separate fields to allow single and double linked
1172 lists of CASEs at the same time. The singe linked list along the NEXT
1173 field is a list of cases for a single CASE label. The double linked
1174 list along the LEFT/RIGHT fields is used to detect overlap and to
1175 build a table of the cases for SELECT constructs with a CHARACTER
1178 typedef struct gfc_case
1180 /* Where we saw this case. */
1184 /* Case range values. If (low == high), it's a single value. If one of
1185 the labels is NULL, it's an unbounded case. If both are NULL, this
1186 represents the default case. */
1187 gfc_expr *low, *high;
1189 /* Next case label in the list of cases for a single CASE label. */
1190 struct gfc_case *next;
1192 /* Used for detecting overlap, and for code generation. */
1193 struct gfc_case *left, *right;
1195 /* True if this case label can never be matched. */
1200 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1205 gfc_expr *var, *start, *end, *step;
1209 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1212 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1214 typedef struct gfc_alloc
1217 struct gfc_alloc *next;
1221 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1226 gfc_expr *unit, *file, *status, *access, *form, *recl,
1227 *blank, *position, *action, *delim, *pad, *iostat;
1235 gfc_expr *unit, *status, *iostat;
1243 gfc_expr *unit, *iostat;
1251 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1252 *name, *access, *sequential, *direct, *form, *formatted,
1253 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1254 *write, *readwrite, *delim, *pad, *iolength;
1264 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1266 gfc_symbol *namelist;
1267 /* A format_label of `format_asterisk' indicates the "*" format */
1268 gfc_st_label *format_label;
1269 gfc_st_label *err, *end, *eor;
1271 locus eor_where, end_where;
1276 typedef struct gfc_forall_iterator
1278 gfc_expr *var, *start, *end, *stride;
1279 struct gfc_forall_iterator *next;
1281 gfc_forall_iterator;
1284 /* Executable statements that fill gfc_code structures. */
1287 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1288 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1289 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1290 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1291 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1292 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1293 EXEC_OPEN, EXEC_CLOSE,
1294 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1295 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1299 typedef struct gfc_code
1303 struct gfc_code *block, *next;
1306 gfc_st_label *here, *label, *label2, *label3;
1307 gfc_symtree *symtree;
1308 gfc_expr *expr, *expr2;
1309 /* A name isn't sufficient to identify a subroutine, we need the actual
1310 symbol for the interface definition.
1311 const char *sub_name; */
1312 gfc_symbol *resolved_sym;
1316 gfc_actual_arglist *actual;
1317 gfc_case *case_list;
1318 gfc_iterator *iterator;
1319 gfc_alloc *alloc_list;
1322 gfc_filepos *filepos;
1323 gfc_inquire *inquire;
1325 gfc_forall_iterator *forall_iterator;
1326 struct gfc_code *whichloop;
1328 gfc_entry_list *entry;
1330 ext; /* Points to additional structures required by statement */
1332 /* Backend_decl is used for cycle and break labels in do loops, and
1333 * probably for other constructs as well, once we translate them. */
1339 /* Storage for DATA statements. */
1340 typedef struct gfc_data_variable
1344 struct gfc_data_variable *list, *next;
1349 typedef struct gfc_data_value
1351 unsigned int repeat;
1353 struct gfc_data_value *next;
1358 typedef struct gfc_data
1360 gfc_data_variable *var;
1361 gfc_data_value *value;
1364 struct gfc_data *next;
1368 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1369 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1370 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1373 /* Structure for holding compile options */
1378 gfc_source_form source_form;
1379 int fixed_line_length;
1380 int max_identifier_length;
1384 int warn_conversion;
1385 int warn_implicit_interface;
1386 int warn_line_truncation;
1388 int warn_surprising;
1389 int warn_unused_labels;
1392 int flag_underscoring;
1393 int flag_second_underscore;
1394 int flag_implicit_none;
1395 int flag_max_stack_var_size;
1396 int flag_module_access_private;
1397 int flag_no_backend;
1398 int flag_pack_derived;
1399 int flag_repack_arrays;
1407 int warn_nonstd_intrinsics;
1411 extern gfc_option_t gfc_option;
1414 /* Constructor nodes for array and structure constructors. */
1415 typedef struct gfc_constructor
1418 gfc_iterator *iterator;
1420 struct gfc_constructor *next;
1423 mpz_t offset; /* Record the offset of array element which appears in
1424 data statement like "data a(5)/4/". */
1425 gfc_component *component; /* Record the component being initialized. */
1428 mpz_t repeat; /* Record the repeat number of initial values in data
1429 statement like "data a/5*10/". */
1434 typedef struct iterator_stack
1436 gfc_symtree *variable;
1438 struct iterator_stack *prev;
1441 extern iterator_stack *iter_stack;
1443 /************************ Function prototypes *************************/
1446 void gfc_formalize_init_value (gfc_symbol *);
1447 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1448 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1449 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1450 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1453 void gfc_scanner_done_1 (void);
1454 void gfc_scanner_init_1 (void);
1456 void gfc_add_include_path (const char *);
1457 void gfc_release_include_path (void);
1458 FILE *gfc_open_included_file (const char *);
1460 int gfc_at_end (void);
1461 int gfc_at_eof (void);
1462 int gfc_at_bol (void);
1463 int gfc_at_eol (void);
1464 void gfc_advance_line (void);
1465 int gfc_check_include (void);
1467 void gfc_skip_comments (void);
1468 int gfc_next_char_literal (int);
1469 int gfc_next_char (void);
1470 int gfc_peek_char (void);
1471 void gfc_error_recovery (void);
1472 void gfc_gobble_whitespace (void);
1473 try gfc_new_file (const char *, gfc_source_form);
1475 extern gfc_source_form gfc_current_form;
1476 extern char *gfc_source_file;
1477 extern locus gfc_current_locus;
1480 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1481 void gfc_free (void *);
1482 int gfc_terminal_width(void);
1483 void gfc_clear_ts (gfc_typespec *);
1484 FILE *gfc_open_file (const char *);
1485 const char *gfc_article (const char *);
1486 const char *gfc_basic_typename (bt);
1487 const char *gfc_typename (gfc_typespec *);
1489 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1490 "=" : gfc_code2string (intrinsic_operators, OP))
1492 const char *gfc_code2string (const mstring *, int);
1493 int gfc_string2code (const mstring *, const char *);
1494 const char *gfc_intent_string (sym_intent);
1496 void gfc_init_1 (void);
1497 void gfc_init_2 (void);
1498 void gfc_done_1 (void);
1499 void gfc_done_2 (void);
1502 unsigned int gfc_init_options (unsigned int, const char **);
1503 int gfc_handle_option (size_t, const char *, int);
1504 bool gfc_post_options (const char **);
1507 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1511 typedef struct gfc_error_buf
1514 char message[MAX_ERROR_MESSAGE];
1517 void gfc_error_init_1 (void);
1518 void gfc_buffer_error (int);
1520 void gfc_warning (const char *, ...);
1521 void gfc_warning_now (const char *, ...);
1522 void gfc_clear_warning (void);
1523 void gfc_warning_check (void);
1525 void gfc_error (const char *, ...);
1526 void gfc_error_now (const char *, ...);
1527 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1528 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1529 void gfc_clear_error (void);
1530 int gfc_error_check (void);
1532 try gfc_notify_std (int, const char *, ...);
1534 /* A general purpose syntax error. */
1535 #define gfc_syntax_error(ST) \
1536 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1538 void gfc_push_error (gfc_error_buf *);
1539 void gfc_pop_error (gfc_error_buf *);
1541 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1542 void gfc_status_char (char);
1544 void gfc_get_errors (int *, int *);
1547 void gfc_arith_init_1 (void);
1548 void gfc_arith_done_1 (void);
1551 int gfc_validate_kind (bt, int, bool);
1552 extern int gfc_index_integer_kind;
1553 extern int gfc_default_integer_kind;
1554 extern int gfc_default_real_kind;
1555 extern int gfc_default_double_kind;
1556 extern int gfc_default_character_kind;
1557 extern int gfc_default_logical_kind;
1558 extern int gfc_default_complex_kind;
1559 extern int gfc_c_int_kind;
1562 void gfc_clear_new_implicit (void);
1563 try gfc_add_new_implicit_range (int, int);
1564 try gfc_merge_new_implicit (gfc_typespec *);
1565 void gfc_set_implicit_none (void);
1567 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1568 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1570 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1571 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1573 void gfc_set_sym_referenced (gfc_symbol * sym);
1575 try gfc_add_allocatable (symbol_attribute *, locus *);
1576 try gfc_add_dimension (symbol_attribute *, locus *);
1577 try gfc_add_external (symbol_attribute *, locus *);
1578 try gfc_add_intrinsic (symbol_attribute *, locus *);
1579 try gfc_add_optional (symbol_attribute *, locus *);
1580 try gfc_add_pointer (symbol_attribute *, locus *);
1581 try gfc_add_result (symbol_attribute *, locus *);
1582 try gfc_add_save (symbol_attribute *, locus *);
1583 try gfc_add_saved_common (symbol_attribute *, locus *);
1584 try gfc_add_target (symbol_attribute *, locus *);
1585 try gfc_add_dummy (symbol_attribute *, locus *);
1586 try gfc_add_generic (symbol_attribute *, locus *);
1587 try gfc_add_common (symbol_attribute *, locus *);
1588 try gfc_add_in_common (symbol_attribute *, locus *);
1589 try gfc_add_data (symbol_attribute *, locus *);
1590 try gfc_add_in_namelist (symbol_attribute *, locus *);
1591 try gfc_add_sequence (symbol_attribute *, locus *);
1592 try gfc_add_elemental (symbol_attribute *, locus *);
1593 try gfc_add_pure (symbol_attribute *, locus *);
1594 try gfc_add_recursive (symbol_attribute *, locus *);
1595 try gfc_add_function (symbol_attribute *, locus *);
1596 try gfc_add_subroutine (symbol_attribute *, locus *);
1598 try gfc_add_access (symbol_attribute *, gfc_access, locus *);
1599 try gfc_add_flavor (symbol_attribute *, sym_flavor, locus *);
1600 try gfc_add_entry (symbol_attribute *, locus *);
1601 try gfc_add_procedure (symbol_attribute *, procedure_type, locus *);
1602 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1603 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1604 gfc_formal_arglist *, locus *);
1605 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1607 void gfc_clear_attr (symbol_attribute *);
1608 try gfc_missing_attr (symbol_attribute *, locus *);
1609 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1611 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1612 gfc_symbol *gfc_use_derived (gfc_symbol *);
1613 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1614 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1616 gfc_st_label *gfc_get_st_label (int);
1617 void gfc_free_st_label (gfc_st_label *);
1618 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1619 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1621 gfc_namespace *gfc_get_namespace (gfc_namespace *);
1622 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1623 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1624 gfc_user_op *gfc_get_uop (const char *);
1625 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1626 void gfc_free_symbol (gfc_symbol *);
1627 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1628 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1629 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1630 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1631 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1632 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1633 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1635 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1637 void gfc_undo_symbols (void);
1638 void gfc_commit_symbols (void);
1639 void gfc_free_namespace (gfc_namespace *);
1641 void gfc_symbol_init_2 (void);
1642 void gfc_symbol_done_2 (void);
1644 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1645 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1646 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1647 void gfc_save_all (gfc_namespace *);
1649 void gfc_symbol_state (void);
1651 gfc_gsymbol *gfc_get_gsymbol (char *);
1652 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, char *);
1655 extern int gfc_init_expr;
1657 /* Given a symbol that we have decided is intrinsic, mark it as such
1658 by placing it into a special module that is otherwise impossible to
1661 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1663 void gfc_intrinsic_init_1 (void);
1664 void gfc_intrinsic_done_1 (void);
1666 char gfc_type_letter (bt);
1667 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1668 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1669 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1670 int gfc_generic_intrinsic (const char *);
1671 int gfc_specific_intrinsic (const char *);
1672 int gfc_intrinsic_name (const char *, int);
1673 gfc_intrinsic_sym *gfc_find_function (const char *);
1675 match gfc_intrinsic_func_interface (gfc_expr *, int);
1676 match gfc_intrinsic_sub_interface (gfc_code *, int);
1679 void gfc_simplify_init_1 (void);
1681 /* match.c -- FIXME */
1682 void gfc_free_iterator (gfc_iterator *, int);
1683 void gfc_free_forall_iterator (gfc_forall_iterator *);
1684 void gfc_free_alloc_list (gfc_alloc *);
1685 void gfc_free_namelist (gfc_namelist *);
1686 void gfc_free_equiv (gfc_equiv *);
1687 void gfc_free_data (gfc_data *);
1688 void gfc_free_case_list (gfc_case *);
1691 void gfc_free_actual_arglist (gfc_actual_arglist *);
1692 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1693 const char *gfc_extract_int (gfc_expr *, int *);
1695 gfc_expr *gfc_build_conversion (gfc_expr *);
1696 void gfc_free_ref_list (gfc_ref *);
1697 void gfc_type_convert_binary (gfc_expr *);
1698 int gfc_is_constant_expr (gfc_expr *);
1699 try gfc_simplify_expr (gfc_expr *, int);
1701 gfc_expr *gfc_get_expr (void);
1702 void gfc_free_expr (gfc_expr *);
1703 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1704 gfc_expr *gfc_int_expr (int);
1705 gfc_expr *gfc_logical_expr (int, locus *);
1706 mpz_t *gfc_copy_shape (mpz_t *, int);
1707 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1708 gfc_expr *gfc_copy_expr (gfc_expr *);
1710 try gfc_specification_expr (gfc_expr *);
1712 int gfc_numeric_ts (gfc_typespec *);
1713 int gfc_kind_max (gfc_expr *, gfc_expr *);
1715 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1716 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1717 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1718 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1720 gfc_expr *gfc_default_initializer (gfc_typespec *);
1721 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1725 extern gfc_code new_st;
1727 void gfc_clear_new_st (void);
1728 gfc_code *gfc_get_code (void);
1729 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1730 void gfc_free_statement (gfc_code *);
1731 void gfc_free_statements (gfc_code *);
1734 try gfc_resolve_expr (gfc_expr *);
1735 void gfc_resolve (gfc_namespace *);
1736 int gfc_impure_variable (gfc_symbol *);
1737 int gfc_pure (gfc_symbol *);
1738 int gfc_elemental (gfc_symbol *);
1739 try gfc_resolve_iterator (gfc_iterator *, bool);
1740 try gfc_resolve_index (gfc_expr *, int);
1743 void gfc_free_array_spec (gfc_array_spec *);
1744 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1746 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1747 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1748 try gfc_resolve_array_spec (gfc_array_spec *, int);
1750 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1752 gfc_expr *gfc_start_constructor (bt, int, locus *);
1753 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1754 void gfc_free_constructor (gfc_constructor *);
1755 void gfc_simplify_iterator_var (gfc_expr *);
1756 try gfc_expand_constructor (gfc_expr *);
1757 int gfc_constant_ac (gfc_expr *);
1758 int gfc_expanded_ac (gfc_expr *);
1759 try gfc_resolve_array_constructor (gfc_expr *);
1760 try gfc_check_constructor_type (gfc_expr *);
1761 try gfc_check_iter_variable (gfc_expr *);
1762 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1763 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1764 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1765 try gfc_array_size (gfc_expr *, mpz_t *);
1766 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1767 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1768 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1769 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1770 gfc_constructor *gfc_get_constructor (void);
1771 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1772 try spec_size (gfc_array_spec *, mpz_t *);
1773 int gfc_is_compile_time_shape (gfc_array_spec *);
1775 /* interface.c -- FIXME: some of these should be in symbol.c */
1776 void gfc_free_interface (gfc_interface *);
1777 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1778 void gfc_check_interfaces (gfc_namespace *);
1779 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1780 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1781 gfc_actual_arglist **);
1782 try gfc_extend_expr (gfc_expr *);
1783 void gfc_free_formal_arglist (gfc_formal_arglist *);
1784 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1785 try gfc_add_interface (gfc_symbol * sym);
1788 extern gfc_st_label format_asterisk;
1790 void gfc_free_open (gfc_open *);
1791 try gfc_resolve_open (gfc_open *);
1792 void gfc_free_close (gfc_close *);
1793 try gfc_resolve_close (gfc_close *);
1794 void gfc_free_filepos (gfc_filepos *);
1795 try gfc_resolve_filepos (gfc_filepos *);
1796 void gfc_free_inquire (gfc_inquire *);
1797 try gfc_resolve_inquire (gfc_inquire *);
1798 void gfc_free_dt (gfc_dt *);
1799 try gfc_resolve_dt (gfc_dt *);
1802 void gfc_module_init_2 (void);
1803 void gfc_module_done_2 (void);
1804 void gfc_dump_module (const char *, int);
1807 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1808 symbol_attribute gfc_expr_attr (gfc_expr *);
1811 void gfc_generate_code (gfc_namespace *);
1812 void gfc_generate_module_code (gfc_namespace *);
1815 typedef int (*compare_fn) (void *, void *);
1816 void gfc_insert_bbt (void *, void *, compare_fn);
1817 void gfc_delete_bbt (void *, void *, compare_fn);
1819 /* dump-parse-tree.c */
1820 void gfc_show_namespace (gfc_namespace *);
1823 try gfc_parse_file (void);
1825 #endif /* GCC_GFORTRAN_H */