1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
4 Contributed by Andy Vaught
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #ifndef GCC_GFORTRAN_H
24 #define GCC_GFORTRAN_H
26 /* It's probably insane to have this large of a header file, but it
27 seemed like everything had to be recompiled anyway when a change
28 was made to a header file, and there were ordering issues with
29 multiple header files. Besides, Microsoft's winnt.h was 250k last
30 time I looked, so by comparison this is perfectly reasonable. */
32 /* We need system.h for HOST_WIDE_INT. Including hwint.h by itself doesn't
33 seem to be sufficient on some systems. */
35 #include "coretypes.h"
38 /* The following ifdefs are recommended by the autoconf documentation
39 for any code using alloca. */
41 /* AIX requires this to be the first thing in the file. */
43 #else /* not __GNUC__ */
46 #else /* do not HAVE_ALLOCA_H */
50 #ifndef alloca /* predefined by HP cc +Olibcalls */
52 #endif /* not predefined */
54 #endif /* do not HAVE_ALLOCA_H */
55 #endif /* not __GNUC__ */
58 #include <stdio.h> /* need FILE * here */
60 /* Major control parameters. */
62 #define GFC_MAX_SYMBOL_LEN 63
63 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
64 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
65 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
66 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
68 #define free(x) Use_gfc_free_instead_of_free()
69 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
72 #define NULL ((void *) 0)
76 #define stringize(x) expand_macro(x)
77 #define expand_macro(x) # x
79 /* For a the runtime library, a standard prefix is a requirement to
80 avoid cluttering the namespace with things nobody asked for. It's
81 ugly to look at and a pain to type when you add the prefix by hand,
82 so we hide it behind a macro. */
83 #define PREFIX(x) "_gfortran_" x
86 /* Macro to initialize an mstring structure. */
87 #define minit(s, t) { s, NULL, t }
89 /* Structure for storing strings to be matched by gfc_match_string. */
99 /* Flags to specify which standardi/extension contains a feature. */
100 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
101 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
102 #define GFC_STD_F2003_DEL (1<<3) /* Deleted in F2003. */
103 #define GFC_STD_F2003_OBS (1<<2) /* Obsoleted in F2003. */
104 #define GFC_STD_F95_DEL (1<<1) /* Deleted in F95. */
105 #define GFC_STD_F95_OBS (1<<0) /* Obsoleted in F95. */
107 /*************************** Enums *****************************/
109 /* The author remains confused to this day about the convention of
110 returning '0' for 'SUCCESS'... or was it the other way around? The
111 following enum makes things much more readable. We also start
112 values off at one instead of zero. */
115 { SUCCESS = 1, FAILURE }
118 /* Matchers return one of these three values. The difference between
119 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
120 successful, but that something non-syntactic is wrong and an error
121 has already been issued. */
124 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
128 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
132 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
133 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE
137 /* Expression node types. */
139 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
140 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
146 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
147 AS_ASSUMED_SIZE, AS_UNKNOWN
152 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
155 /* Statement label types. */
157 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
158 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
162 /* Intrinsic operators. */
164 { GFC_INTRINSIC_BEGIN = 0,
165 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
166 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
167 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
168 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
169 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
170 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
172 GFC_INTRINSIC_END /* Sentinel */
177 /* Strings for all intrinsic operators. */
178 extern mstring intrinsic_operators[];
181 /* This macro is the number of intrinsic operators that exist.
182 Assumptions are made about the numbering of the interface_op enums. */
183 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
185 /* Arithmetic results. */
187 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
188 ARITH_DIV0, ARITH_0TO0, ARITH_INCOMMENSURATE
195 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
196 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
197 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
198 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
199 ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
200 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
201 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
202 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
203 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
204 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
205 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
207 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
208 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
209 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
214 /* Types of interfaces that we can have. Assignment interfaces are
215 considered to be intrinsic operators. */
218 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
219 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
223 /* Symbol flavors: these are all mutually exclusive.
224 10 elements = 4 bits. */
227 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
228 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
232 /* Procedure types. 7 elements = 3 bits. */
234 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
235 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
241 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
247 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE,
251 /* Flags to keep track of where an interface came from.
252 4 elements = 2 bits. */
254 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
258 /* Strings for all symbol attributes. We use these for dumping the
259 parse tree, in error messages, and also when reading and writing
260 modules. In symbol.c. */
261 extern const mstring flavors[];
262 extern const mstring procedures[];
263 extern const mstring intents[];
264 extern const mstring access_types[];
265 extern const mstring ifsrc_types[];
267 /* Enumeration of all the generic intrinsic functions. Used by the
268 backend for identification of a function. */
270 enum gfc_generic_isym_id
272 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
273 the backend (eg. KIND). */
300 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
308 GFC_ISYM_DOT_PRODUCT,
370 GFC_ISYM_SET_EXPONENT,
393 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
395 /************************* Structures *****************************/
397 /* Symbol attribute structure. */
400 /* Variable attributes. */
401 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
402 optional:1, pointer:1, save:1, target:1,
403 dummy:1, result:1, assign:1;
405 unsigned data:1, /* Symbol is named in a DATA statement. */
406 use_assoc:1; /* Symbol has been use-associated. */
408 unsigned in_namelist:1, in_common:1;
409 unsigned function:1, subroutine:1, generic:1;
410 unsigned implicit_type:1; /* Type defined via implicit rules */
412 /* Function/subroutine attributes */
413 unsigned sequence:1, elemental:1, pure:1, recursive:1;
414 unsigned unmaskable:1, masked:1, contained:1;
416 /* Set if this procedure is an alternate entry point. These procedures
417 don't have any code associated, and the backend will turn them into
418 thunks to the master function. */
420 /* Set if this is the master function for a procedure with multiple
422 unsigned entry_master:1;
424 /* Set if a function must always be referenced by an explicit interface. */
425 unsigned always_explicit:1;
427 /* Set if the symbol has been referenced in an expression. No further
428 modification of type or type parameters is permitted. */
429 unsigned referenced:1;
431 /* Mutually exclusive multibit attributes. */
437 procedure_type proc:3;
443 /* The following three structures are used to identify a location in
446 gfc_file is used to maintain a tree of the source files and how
447 they include each other
449 gfc_linebuf holds a single line of source code and information
450 which file it resides in
452 locus point to the sourceline and the character in the source
456 typedef struct gfc_file
458 struct gfc_file *included_by, *next, *up;
459 int inclusion_line, line;
463 typedef struct gfc_linebuf
465 #ifdef USE_MAPPED_LOCATION
466 source_location location;
470 struct gfc_file *file;
471 struct gfc_linebuf *next;
476 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
487 # include <sys/param.h>
488 # define PATH_MAX MAXPATHLEN
492 extern int gfc_suppress_error;
495 /* Character length structures hold the expression that gives the
496 length of a character variable. We avoid putting these into
497 gfc_typespec because doing so prevents us from doing structure
498 copies and forces us to deallocate any typespecs we create, as well
499 as structures that contain typespecs. They also can have multiple
500 character typespecs pointing to them.
502 These structures form a singly linked list within the current
503 namespace and are deallocated with the namespace. It is possible to
504 end up with gfc_charlen structures that have nothing pointing to them. */
506 typedef struct gfc_charlen
508 struct gfc_expr *length;
509 struct gfc_charlen *next;
514 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
516 /* Type specification structure. FIXME: derived and cl could be union??? */
521 struct gfc_symbol *derived;
522 gfc_charlen *cl; /* For character types only. */
526 /* Array specification. */
529 int rank; /* A rank of zero means that a variable is a scalar. */
531 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
535 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
538 /* Components of derived types. */
539 typedef struct gfc_component
541 char name[GFC_MAX_SYMBOL_LEN + 1];
544 int pointer, dimension;
549 struct gfc_expr *initializer;
550 struct gfc_component *next;
554 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
556 /* Formal argument lists are lists of symbols. */
557 typedef struct gfc_formal_arglist
559 /* Symbol representing the argument at this position in the arglist. */
560 struct gfc_symbol *sym;
561 /* Points to the next formal argument. */
562 struct gfc_formal_arglist *next;
566 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
569 /* The gfc_actual_arglist structure is for actual arguments. */
570 typedef struct gfc_actual_arglist
572 char name[GFC_MAX_SYMBOL_LEN + 1];
573 /* Alternate return label when the expr member is null. */
574 struct gfc_st_label *label;
576 /* This is set to the type of an eventual omitted optional
577 argument. This is used to determine if a hidden string length
578 argument has to be added to a function call. */
581 struct gfc_expr *expr;
582 struct gfc_actual_arglist *next;
586 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
589 /* Because a symbol can belong to multiple namelists, they must be
590 linked externally to the symbol itself. */
591 typedef struct gfc_namelist
593 struct gfc_symbol *sym;
594 struct gfc_namelist *next;
598 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
601 /* The gfc_st_label structure is a doubly linked list attached to a
602 namespace that records the usage of statement labels within that
604 /* TODO: Make format/statement specifics a union. */
605 typedef struct gfc_st_label
609 gfc_sl_type defined, referenced;
611 struct gfc_expr *format;
617 struct gfc_st_label *prev, *next;
622 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
623 typedef struct gfc_interface
625 struct gfc_symbol *sym;
627 struct gfc_interface *next;
631 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
634 /* User operator nodes. These are like stripped down symbols. */
637 char name[GFC_MAX_SYMBOL_LEN + 1];
639 gfc_interface *operator;
640 struct gfc_namespace *ns;
645 /* Symbol nodes. These are important things. They are what the
646 standard refers to as "entities". The possibly multiple names that
647 refer to the same entity are accomplished by a binary tree of
648 symtree structures that is balanced by the red-black method-- more
649 than one symtree node can point to any given symbol. */
651 typedef struct gfc_symbol
653 char name[GFC_MAX_SYMBOL_LEN + 1]; /* Primary name, before renaming */
654 char module[GFC_MAX_SYMBOL_LEN + 1]; /* Module this symbol came from */
658 symbol_attribute attr;
660 /* The interface member points to the formal argument list if the
661 symbol is a function or subroutine name. If the symbol is a
662 generic name, the generic member points to the list of
665 gfc_interface *generic;
666 gfc_access component_access;
668 gfc_formal_arglist *formal;
669 struct gfc_namespace *formal_ns;
671 struct gfc_expr *value; /* Parameter/Initializer value */
673 struct gfc_symbol *result; /* function result symbol */
674 gfc_component *components; /* Derived type components */
676 struct gfc_symbol *common_next; /* Links for COMMON syms */
677 /* Make sure setup code for dummy arguments is generated in the correct
681 gfc_namelist *namelist, *namelist_tail;
683 /* Change management fields. Symbols that might be modified by the
684 current statement have the mark member nonzero and are kept in a
685 singly linked list through the tlink field. Of these symbols,
686 symbols with old_symbol equal to NULL are symbols created within
687 the current statement. Otherwise, old_symbol points to a copy of
690 struct gfc_symbol *old_symbol, *tlink;
691 unsigned mark:1, new:1;
692 /* Nonzero if all equivalences associated with this symbol have been
694 unsigned equiv_built:1;
696 struct gfc_namespace *ns; /* namespace containing this symbol */
703 /* This structure is used to keep track of symbols in common blocks. */
708 int use_assoc, saved;
709 char name[GFC_MAX_SYMBOL_LEN + 1];
714 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
717 /* A list of all the alternate entry points for a procedure. */
719 typedef struct gfc_entry_list
721 /* The symbol for this entry point. */
723 /* The zero-based id of this entry point. */
725 /* The LABEL_EXPR marking this entry point. */
727 /* The nest item in the list. */
728 struct gfc_entry_list *next;
732 #define gfc_get_entry_list() \
733 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
735 /* Within a namespace, symbols are pointed to by symtree nodes that
736 are linked together in a balanced binary tree. There can be
737 several symtrees pointing to the same symbol node via USE
740 #define BBT_HEADER(self) int priority; struct self *left, *right
742 typedef struct gfc_symtree
744 BBT_HEADER (gfc_symtree);
745 char name[GFC_MAX_SYMBOL_LEN + 1];
749 gfc_symbol *sym; /* Symbol associated with this node */
751 gfc_common_head *common;
759 /* A namespace describes the contents of procedure, module or
761 /* ??? Anything else use these? */
763 typedef struct gfc_namespace
765 /* Tree containing all the symbols in this namespace. */
766 gfc_symtree *sym_root;
767 /* Tree containing all the user-defined operators in the namespace. */
768 gfc_symtree *uop_root;
769 /* Tree containing all the common blocks. */
770 gfc_symtree *common_root;
772 /* If set_flag[letter] is set, an implicit type has been set for letter. */
773 int set_flag[GFC_LETTERS];
774 /* Keeps track of the implicit types associated with the letters. */
775 gfc_typespec default_type[GFC_LETTERS];
777 /* If this is a namespace of a procedure, this points to the procedure. */
778 struct gfc_symbol *proc_name;
779 /* If this is the namespace of a unit which contains executable
780 code, this points to it. */
781 struct gfc_code *code;
783 /* Points to the equivalences set up in this namespace. */
784 struct gfc_equiv *equiv;
785 gfc_interface *operator[GFC_INTRINSIC_OPS];
787 /* Points to the parent namespace, i.e. the namespace of a module or
788 procedure in which the procedure belonging to this namespace is
789 contained. The parent namespace points to this namespace either
790 directly via CONTAINED, or indirectly via the chain built by
792 struct gfc_namespace *parent;
793 /* CONTAINED points to the first contained namespace. Sibling
794 namespaces are chained via SIBLING. */
795 struct gfc_namespace *contained, *sibling;
797 gfc_common_head blank_common;
798 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
800 gfc_st_label *st_labels;
801 /* This list holds information about all the data initializers in
803 struct gfc_data *data;
805 gfc_charlen *cl_list;
807 int save_all, seen_save;
809 /* Normally we don't need to refcount namespaces. However when we read
810 a module containing a function with multiple entry points, this
811 will appear as several functions with the same formal namespace. */
814 /* A list of all alternate entry points to this procedure (or NULL). */
815 gfc_entry_list *entries;
817 /* Set to 1 if namespace is a BLOCK DATA program unit. */
822 extern gfc_namespace *gfc_current_ns;
824 /* Global symbols are symbols of global scope. Currently we only use
825 this to detect collisions already when parsing.
826 TODO: Extend to verify procedure calls. */
828 typedef struct gfc_gsymbol
830 BBT_HEADER(gfc_gsymbol);
832 char name[GFC_MAX_SYMBOL_LEN+1];
833 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
834 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
841 extern gfc_gsymbol *gfc_gsym_root;
843 /* Information on interfaces being built. */
854 extern gfc_interface_info current_interface;
857 /* Array reference. */
858 typedef struct gfc_array_ref
861 int dimen; /* # of components in the reference */
865 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
866 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
867 *stride[GFC_MAX_DIMENSIONS];
870 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
871 dimen_type[GFC_MAX_DIMENSIONS];
873 struct gfc_expr *offset;
877 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
880 /* Component reference nodes. A variable is stored as an expression
881 node that points to the base symbol. After that, a singly linked
882 list of component reference nodes gives the variable's complete
883 resolution. The array_ref component may be present and comes
884 before the component component. */
887 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
890 typedef struct gfc_ref
896 struct gfc_array_ref ar;
900 gfc_component *component;
907 struct gfc_expr *start, *end; /* Substring */
915 struct gfc_ref *next;
919 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
922 /* Structures representing intrinsic symbols and their arguments lists. */
923 typedef struct gfc_intrinsic_arg
925 char name[GFC_MAX_SYMBOL_LEN + 1];
929 gfc_actual_arglist *actual;
931 struct gfc_intrinsic_arg *next;
937 /* Specifies the various kinds of check functions used to verify the
938 argument lists of intrinsic functions. fX with X an integer refer
939 to check functions of intrinsics with X arguments. f1m is used for
940 the MAX and MIN intrinsics which can have an arbitrary number of
941 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
942 these have special semantics. */
947 try (*f1)(struct gfc_expr *);
948 try (*f1m)(gfc_actual_arglist *);
949 try (*f2)(struct gfc_expr *, struct gfc_expr *);
950 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
951 try (*f3ml)(gfc_actual_arglist *);
952 try (*f3red)(gfc_actual_arglist *);
953 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
955 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
956 struct gfc_expr *, struct gfc_expr *);
960 /* Like gfc_check_f, these specify the type of the simplification
961 function associated with an intrinsic. The fX are just like in
962 gfc_check_f. cc is used for type conversion functions. */
966 struct gfc_expr *(*f0)(void);
967 struct gfc_expr *(*f1)(struct gfc_expr *);
968 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
969 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
971 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
972 struct gfc_expr *, struct gfc_expr *);
973 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
974 struct gfc_expr *, struct gfc_expr *,
976 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
980 /* Again like gfc_check_f, these specify the type of the resolution
981 function associated with an intrinsic. The fX are just like in
982 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
987 void (*f0)(struct gfc_expr *);
988 void (*f1)(struct gfc_expr *, struct gfc_expr *);
989 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
990 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
991 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
993 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
994 struct gfc_expr *, struct gfc_expr *);
995 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
996 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
997 void (*s1)(struct gfc_code *);
1002 typedef struct gfc_intrinsic_sym
1004 char name[GFC_MAX_SYMBOL_LEN + 1], lib_name[GFC_MAX_SYMBOL_LEN + 1];
1005 gfc_intrinsic_arg *formal;
1007 int elemental, pure, generic, specific, actual_ok;
1009 gfc_simplify_f simplify;
1011 gfc_resolve_f resolve;
1012 struct gfc_intrinsic_sym *specific_head, *next;
1013 gfc_generic_isym_id generic_id;
1019 /* Expression nodes. The expression node types deserve explanations,
1020 since the last couple can be easily misconstrued:
1022 EXPR_OP Operator node pointing to one or two other nodes
1023 EXPR_FUNCTION Function call, symbol points to function's name
1024 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1025 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1026 which expresses structure, array and substring refs.
1027 EXPR_NULL The NULL pointer value (which also has a basic type).
1028 EXPR_SUBSTRING A substring of a constant string
1029 EXPR_STRUCTURE A structure constructor
1030 EXPR_ARRAY An array constructor. */
1034 #define GFC_RND_MODE GMP_RNDN
1036 typedef struct gfc_expr
1040 gfc_typespec ts; /* These two refer to the overall expression */
1043 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1045 gfc_intrinsic_op operator;
1047 /* Nonnull for functions and structure constructors */
1048 gfc_symtree *symtree;
1053 struct gfc_expr *op1, *op2;
1071 gfc_actual_arglist *actual;
1072 char *name; /* Points to the ultimate name of the function */
1073 gfc_intrinsic_sym *isym;
1085 struct gfc_constructor *constructor;
1093 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1095 /* Structures for information associated with different kinds of
1096 numbers. The first set of integer parameters define all there is
1097 to know about a particular kind. The rest of the elements are
1098 computed from the first elements. */
1102 /* Values really representable by the target. */
1103 mpz_t huge, min_int, max_int;
1105 int kind, radix, digits, bit_size, range;
1107 /* True if the C type of the given name maps to this precision.
1108 Note that more than one bit can be set. */
1109 unsigned int c_char : 1;
1110 unsigned int c_short : 1;
1111 unsigned int c_int : 1;
1112 unsigned int c_long : 1;
1113 unsigned int c_long_long : 1;
1117 extern gfc_integer_info gfc_integer_kinds[];
1124 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1125 unsigned int c_bool : 1;
1129 extern gfc_logical_info gfc_logical_kinds[];
1134 mpfr_t epsilon, huge, tiny;
1135 int kind, radix, digits, min_exponent, max_exponent;
1136 int range, precision;
1138 /* The precision of the type as reported by GET_MODE_PRECISION. */
1141 /* True if the C type of the given name maps to this precision.
1142 Note that more than one bit can be set. */
1143 unsigned int c_float : 1;
1144 unsigned int c_double : 1;
1145 unsigned int c_long_double : 1;
1149 extern gfc_real_info gfc_real_kinds[];
1152 /* Equivalence structures. Equivalent lvalues are linked along the
1153 *eq pointer, equivalence sets are strung along the *next node. */
1154 typedef struct gfc_equiv
1156 struct gfc_equiv *next, *eq;
1162 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1165 /* gfc_case stores the selector list of a case statement. The *low
1166 and *high pointers can point to the same expression in the case of
1167 a single value. If *high is NULL, the selection is from *low
1168 upwards, if *low is NULL the selection is *high downwards.
1170 This structure has separate fields to allow singe and double linked
1171 lists of CASEs the same time. The singe linked list along the NEXT
1172 field is a list of cases for a single CASE label. The double linked
1173 list along the LEFT/RIGHT fields is used to detect overlap and to
1174 build a table of the cases for SELECT constructs with a CHARACTER
1177 typedef struct gfc_case
1179 /* Where we saw this case. */
1183 /* Case range values. If (low == high), it's a single value. If one of
1184 the labels is NULL, it's an unbounded case. If both are NULL, this
1185 represents the default case. */
1186 gfc_expr *low, *high;
1188 /* Next case label in the list of cases for a single CASE label. */
1189 struct gfc_case *next;
1191 /* Used for detecting overlap, and for code generation. */
1192 struct gfc_case *left, *right;
1194 /* True if this case label can never be matched. */
1199 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1204 gfc_expr *var, *start, *end, *step;
1208 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1211 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1213 typedef struct gfc_alloc
1216 struct gfc_alloc *next;
1220 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1225 gfc_expr *unit, *file, *status, *access, *form, *recl,
1226 *blank, *position, *action, *delim, *pad, *iostat;
1234 gfc_expr *unit, *status, *iostat;
1242 gfc_expr *unit, *iostat;
1250 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1251 *name, *access, *sequential, *direct, *form, *formatted,
1252 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1253 *write, *readwrite, *delim, *pad, *iolength;
1263 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1265 gfc_symbol *namelist;
1266 /* A format_label of `format_asterisk' indicates the "*" format */
1267 gfc_st_label *format_label;
1268 gfc_st_label *err, *end, *eor;
1270 locus eor_where, end_where;
1275 typedef struct gfc_forall_iterator
1277 gfc_expr *var, *start, *end, *stride;
1278 struct gfc_forall_iterator *next;
1280 gfc_forall_iterator;
1283 /* Executable statements that fill gfc_code structures. */
1286 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1287 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1288 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1289 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1290 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1291 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1292 EXEC_OPEN, EXEC_CLOSE,
1293 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1294 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1298 typedef struct gfc_code
1302 struct gfc_code *block, *next;
1305 gfc_st_label *here, *label, *label2, *label3;
1306 gfc_symtree *symtree;
1307 gfc_expr *expr, *expr2;
1308 /* A name isn't sufficient to identify a subroutine, we need the actual
1309 symbol for the interface definition.
1310 const char *sub_name; */
1311 gfc_symbol *resolved_sym;
1315 gfc_actual_arglist *actual;
1316 gfc_case *case_list;
1317 gfc_iterator *iterator;
1318 gfc_alloc *alloc_list;
1321 gfc_filepos *filepos;
1322 gfc_inquire *inquire;
1324 gfc_forall_iterator *forall_iterator;
1325 struct gfc_code *whichloop;
1327 gfc_entry_list *entry;
1329 ext; /* Points to additional structures required by statement */
1331 /* Backend_decl is used for cycle and break labels in do loops, and
1332 * probably for other constructs as well, once we translate them. */
1338 /* Storage for DATA statements. */
1339 typedef struct gfc_data_variable
1343 struct gfc_data_variable *list, *next;
1348 typedef struct gfc_data_value
1350 unsigned int repeat;
1352 struct gfc_data_value *next;
1357 typedef struct gfc_data
1359 gfc_data_variable *var;
1360 gfc_data_value *value;
1363 struct gfc_data *next;
1367 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1368 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1369 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1372 /* Structure for holding compile options */
1377 gfc_source_form source_form;
1378 int fixed_line_length;
1379 int max_identifier_length;
1383 int warn_conversion;
1384 int warn_implicit_interface;
1385 int warn_line_truncation;
1387 int warn_surprising;
1388 int warn_unused_labels;
1391 int flag_underscoring;
1392 int flag_second_underscore;
1393 int flag_implicit_none;
1394 int flag_max_stack_var_size;
1395 int flag_module_access_private;
1396 int flag_no_backend;
1397 int flag_pack_derived;
1398 int flag_repack_arrays;
1409 extern gfc_option_t gfc_option;
1412 /* Constructor nodes for array and structure constructors. */
1413 typedef struct gfc_constructor
1416 gfc_iterator *iterator;
1418 struct gfc_constructor *next;
1421 mpz_t offset; /* Record the offset of array element which appears in
1422 data statement like "data a(5)/4/". */
1423 gfc_component *component; /* Record the component being initialized. */
1426 mpz_t repeat; /* Record the repeat number of initial values in data
1427 statement like "data a/5*10/". */
1432 typedef struct iterator_stack
1434 gfc_symtree *variable;
1436 struct iterator_stack *prev;
1439 extern iterator_stack *iter_stack;
1441 /************************ Function prototypes *************************/
1444 void gfc_formalize_init_value (gfc_symbol *);
1445 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1446 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1447 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1448 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1451 void gfc_scanner_done_1 (void);
1452 void gfc_scanner_init_1 (void);
1454 void gfc_add_include_path (const char *);
1455 void gfc_release_include_path (void);
1456 FILE *gfc_open_included_file (const char *);
1458 int gfc_at_end (void);
1459 int gfc_at_eof (void);
1460 int gfc_at_bol (void);
1461 int gfc_at_eol (void);
1462 void gfc_advance_line (void);
1463 int gfc_check_include (void);
1465 void gfc_skip_comments (void);
1466 int gfc_next_char_literal (int);
1467 int gfc_next_char (void);
1468 int gfc_peek_char (void);
1469 void gfc_error_recovery (void);
1470 void gfc_gobble_whitespace (void);
1471 try gfc_new_file (const char *, gfc_source_form);
1473 extern gfc_source_form gfc_current_form;
1474 extern char *gfc_source_file;
1475 extern locus gfc_current_locus;
1478 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1479 void gfc_free (void *);
1480 int gfc_terminal_width(void);
1481 void gfc_clear_ts (gfc_typespec *);
1482 FILE *gfc_open_file (const char *);
1483 const char *gfc_article (const char *);
1484 const char *gfc_basic_typename (bt);
1485 const char *gfc_typename (gfc_typespec *);
1487 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1488 "=" : gfc_code2string (intrinsic_operators, OP))
1490 const char *gfc_code2string (const mstring *, int);
1491 int gfc_string2code (const mstring *, const char *);
1492 const char *gfc_intent_string (sym_intent);
1494 void gfc_init_1 (void);
1495 void gfc_init_2 (void);
1496 void gfc_done_1 (void);
1497 void gfc_done_2 (void);
1500 unsigned int gfc_init_options (unsigned int, const char **);
1501 int gfc_handle_option (size_t, const char *, int);
1502 bool gfc_post_options (const char **);
1505 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1506 void gfc_iresolve_init_1 (void);
1507 void gfc_iresolve_done_1 (void);
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 *);
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 */