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 /*************************** Enums *****************************/
108 /* The author remains confused to this day about the convention of
109 returning '0' for 'SUCCESS'... or was it the other way around? The
110 following enum makes things much more readable. We also start
111 values off at one instead of zero. */
114 { SUCCESS = 1, FAILURE }
117 /* Matchers return one of these three values. The difference between
118 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
119 successful, but that something non-syntactic is wrong and an error
120 has already been issued. */
123 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
127 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
131 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
132 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE, BT_HOLLERITH
136 /* Expression node types. */
138 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
139 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
145 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
146 AS_ASSUMED_SIZE, AS_UNKNOWN
151 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
154 /* Statement label types. */
156 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
157 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
161 /* Intrinsic operators. */
163 { GFC_INTRINSIC_BEGIN = 0,
164 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
165 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
166 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
167 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
168 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
169 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
171 GFC_INTRINSIC_END /* Sentinel */
176 /* Strings for all intrinsic operators. */
177 extern mstring intrinsic_operators[];
180 /* This macro is the number of intrinsic operators that exist.
181 Assumptions are made about the numbering of the interface_op enums. */
182 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
184 /* Arithmetic results. */
186 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
187 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
194 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
195 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
196 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
197 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
198 ST_END_FILE, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF,
199 ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT,
200 ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE,
201 ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO,
202 ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE,
203 ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN,
204 ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND,
205 ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE,
206 ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE,
207 ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT,
213 /* Types of interfaces that we can have. Assignment interfaces are
214 considered to be intrinsic operators. */
217 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
218 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
222 /* Symbol flavors: these are all mutually exclusive.
223 10 elements = 4 bits. */
224 typedef enum sym_flavor
226 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
227 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
231 /* Procedure types. 7 elements = 3 bits. */
232 typedef enum procedure_type
233 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
234 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
239 typedef enum sym_intent
240 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
245 typedef enum gfc_access
246 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
250 /* Flags to keep track of where an interface came from.
251 4 elements = 2 bits. */
253 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
257 /* Strings for all symbol attributes. We use these for dumping the
258 parse tree, in error messages, and also when reading and writing
259 modules. In symbol.c. */
260 extern const mstring flavors[];
261 extern const mstring procedures[];
262 extern const mstring intents[];
263 extern const mstring access_types[];
264 extern const mstring ifsrc_types[];
266 /* Enumeration of all the generic intrinsic functions. Used by the
267 backend for identification of a function. */
269 enum gfc_generic_isym_id
271 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
272 the backend (eg. KIND). */
303 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
311 GFC_ISYM_DOT_PRODUCT,
381 GFC_ISYM_SET_EXPONENT,
410 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
412 /************************* Structures *****************************/
414 /* Symbol attribute structure. */
417 /* Variable attributes. */
418 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
419 optional:1, pointer:1, save:1, target:1,
420 dummy:1, result:1, assign:1;
422 unsigned data:1, /* Symbol is named in a DATA statement. */
423 use_assoc:1; /* Symbol has been use-associated. */
425 unsigned in_namelist:1, in_common:1, in_equivalence:1;
426 unsigned function:1, subroutine:1, generic:1;
427 unsigned implicit_type:1; /* Type defined via implicit rules. */
428 unsigned untyped:1; /* No implicit type could be found. */
430 /* Function/subroutine attributes */
431 unsigned sequence:1, elemental:1, pure:1, recursive:1;
432 unsigned unmaskable:1, masked:1, contained:1;
434 /* This is set if the subroutine doesn't return. Currently, this
435 is only possible for intrinsic subroutines. */
438 /* Set if this procedure is an alternate entry point. These procedures
439 don't have any code associated, and the backend will turn them into
440 thunks to the master function. */
443 /* Set if this is the master function for a procedure with multiple
445 unsigned entry_master:1;
447 /* Set if this is the master function for a function with multiple
448 entry points where characteristics of the entry points differ. */
449 unsigned mixed_entry_master:1;
451 /* Set if a function must always be referenced by an explicit interface. */
452 unsigned always_explicit:1;
454 /* Set if the symbol has been referenced in an expression. No further
455 modification of type or type parameters is permitted. */
456 unsigned referenced:1;
458 /* Set if the is the symbol for the main program. This is the least
459 cumbersome way to communicate this function property without
460 strcmp'ing with __MAIN everywhere. */
461 unsigned is_main_program:1;
463 /* Mutually exclusive multibit attributes. */
464 ENUM_BITFIELD (gfc_access) access:2;
465 ENUM_BITFIELD (sym_intent) intent:2;
466 ENUM_BITFIELD (sym_flavor) flavor:4;
467 ENUM_BITFIELD (ifsrc) if_source:2;
469 ENUM_BITFIELD (procedure_type) proc:3;
475 /* The following three structures are used to identify a location in
478 gfc_file is used to maintain a tree of the source files and how
479 they include each other
481 gfc_linebuf holds a single line of source code and information
482 which file it resides in
484 locus point to the sourceline and the character in the source
488 typedef struct gfc_file
490 struct gfc_file *included_by, *next, *up;
491 int inclusion_line, line;
495 typedef struct gfc_linebuf
497 #ifdef USE_MAPPED_LOCATION
498 source_location location;
502 struct gfc_file *file;
503 struct gfc_linebuf *next;
510 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
518 /* In order for the "gfc" format checking to work correctly, you must
519 have declared a typedef locus first. */
520 #if GCC_VERSION >= 4001
521 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
523 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
527 extern int gfc_suppress_error;
530 /* Character length structures hold the expression that gives the
531 length of a character variable. We avoid putting these into
532 gfc_typespec because doing so prevents us from doing structure
533 copies and forces us to deallocate any typespecs we create, as well
534 as structures that contain typespecs. They also can have multiple
535 character typespecs pointing to them.
537 These structures form a singly linked list within the current
538 namespace and are deallocated with the namespace. It is possible to
539 end up with gfc_charlen structures that have nothing pointing to them. */
541 typedef struct gfc_charlen
543 struct gfc_expr *length;
544 struct gfc_charlen *next;
549 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
551 /* Type specification structure. FIXME: derived and cl could be union??? */
556 struct gfc_symbol *derived;
557 gfc_charlen *cl; /* For character types only. */
561 /* Array specification. */
564 int rank; /* A rank of zero means that a variable is a scalar. */
566 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
570 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
573 /* Components of derived types. */
574 typedef struct gfc_component
579 int pointer, dimension;
584 struct gfc_expr *initializer;
585 struct gfc_component *next;
589 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
591 /* Formal argument lists are lists of symbols. */
592 typedef struct gfc_formal_arglist
594 /* Symbol representing the argument at this position in the arglist. */
595 struct gfc_symbol *sym;
596 /* Points to the next formal argument. */
597 struct gfc_formal_arglist *next;
601 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
604 /* The gfc_actual_arglist structure is for actual arguments. */
605 typedef struct gfc_actual_arglist
608 /* Alternate return label when the expr member is null. */
609 struct gfc_st_label *label;
611 /* This is set to the type of an eventual omitted optional
612 argument. This is used to determine if a hidden string length
613 argument has to be added to a function call. */
616 struct gfc_expr *expr;
617 struct gfc_actual_arglist *next;
621 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
624 /* Because a symbol can belong to multiple namelists, they must be
625 linked externally to the symbol itself. */
626 typedef struct gfc_namelist
628 struct gfc_symbol *sym;
629 struct gfc_namelist *next;
633 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
636 /* The gfc_st_label structure is a doubly linked list attached to a
637 namespace that records the usage of statement labels within that
639 /* TODO: Make format/statement specifics a union. */
640 typedef struct gfc_st_label
644 gfc_sl_type defined, referenced;
646 struct gfc_expr *format;
652 struct gfc_st_label *prev, *next;
657 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
658 typedef struct gfc_interface
660 struct gfc_symbol *sym;
662 struct gfc_interface *next;
666 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
669 /* User operator nodes. These are like stripped down symbols. */
674 gfc_interface *operator;
675 struct gfc_namespace *ns;
680 /* Symbol nodes. These are important things. They are what the
681 standard refers to as "entities". The possibly multiple names that
682 refer to the same entity are accomplished by a binary tree of
683 symtree structures that is balanced by the red-black method-- more
684 than one symtree node can point to any given symbol. */
686 typedef struct gfc_symbol
688 const char *name; /* Primary name, before renaming */
689 const char *module; /* Module this symbol came from */
693 symbol_attribute attr;
695 /* The interface member points to the formal argument list if the
696 symbol is a function or subroutine name. If the symbol is a
697 generic name, the generic member points to the list of
700 gfc_interface *generic;
701 gfc_access component_access;
703 gfc_formal_arglist *formal;
704 struct gfc_namespace *formal_ns;
706 struct gfc_expr *value; /* Parameter/Initializer value */
708 struct gfc_symbol *result; /* function result symbol */
709 gfc_component *components; /* Derived type components */
711 struct gfc_symbol *common_next; /* Links for COMMON syms */
713 /* This is in fact a gfc_common_head but it is only used for pointer
714 comparisons to check if symbols are in the same common block. */
715 struct gfc_common_head* common_head;
717 /* Make sure setup code for dummy arguments is generated in the correct
721 gfc_namelist *namelist, *namelist_tail;
723 /* Change management fields. Symbols that might be modified by the
724 current statement have the mark member nonzero and are kept in a
725 singly linked list through the tlink field. Of these symbols,
726 symbols with old_symbol equal to NULL are symbols created within
727 the current statement. Otherwise, old_symbol points to a copy of
730 struct gfc_symbol *old_symbol, *tlink;
731 unsigned mark:1, new:1;
732 /* Nonzero if all equivalences associated with this symbol have been
734 unsigned equiv_built:1;
736 struct gfc_namespace *ns; /* namespace containing this symbol */
743 /* This structure is used to keep track of symbols in common blocks. */
745 typedef struct gfc_common_head
748 int use_assoc, saved;
749 char name[GFC_MAX_SYMBOL_LEN + 1];
750 struct gfc_symbol *head;
754 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
757 /* A list of all the alternate entry points for a procedure. */
759 typedef struct gfc_entry_list
761 /* The symbol for this entry point. */
763 /* The zero-based id of this entry point. */
765 /* The LABEL_EXPR marking this entry point. */
767 /* The nest item in the list. */
768 struct gfc_entry_list *next;
772 #define gfc_get_entry_list() \
773 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
775 /* Within a namespace, symbols are pointed to by symtree nodes that
776 are linked together in a balanced binary tree. There can be
777 several symtrees pointing to the same symbol node via USE
780 #define BBT_HEADER(self) int priority; struct self *left, *right
782 typedef struct gfc_symtree
784 BBT_HEADER (gfc_symtree);
789 gfc_symbol *sym; /* Symbol associated with this node */
791 gfc_common_head *common;
799 /* A namespace describes the contents of procedure, module or
801 /* ??? Anything else use these? */
803 typedef struct gfc_namespace
805 /* Tree containing all the symbols in this namespace. */
806 gfc_symtree *sym_root;
807 /* Tree containing all the user-defined operators in the namespace. */
808 gfc_symtree *uop_root;
809 /* Tree containing all the common blocks. */
810 gfc_symtree *common_root;
812 /* If set_flag[letter] is set, an implicit type has been set for letter. */
813 int set_flag[GFC_LETTERS];
814 /* Keeps track of the implicit types associated with the letters. */
815 gfc_typespec default_type[GFC_LETTERS];
817 /* If this is a namespace of a procedure, this points to the procedure. */
818 struct gfc_symbol *proc_name;
819 /* If this is the namespace of a unit which contains executable
820 code, this points to it. */
821 struct gfc_code *code;
823 /* Points to the equivalences set up in this namespace. */
824 struct gfc_equiv *equiv;
825 gfc_interface *operator[GFC_INTRINSIC_OPS];
827 /* Points to the parent namespace, i.e. the namespace of a module or
828 procedure in which the procedure belonging to this namespace is
829 contained. The parent namespace points to this namespace either
830 directly via CONTAINED, or indirectly via the chain built by
832 struct gfc_namespace *parent;
833 /* CONTAINED points to the first contained namespace. Sibling
834 namespaces are chained via SIBLING. */
835 struct gfc_namespace *contained, *sibling;
837 gfc_common_head blank_common;
838 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
840 gfc_st_label *st_labels;
841 /* This list holds information about all the data initializers in
843 struct gfc_data *data;
845 gfc_charlen *cl_list;
847 int save_all, seen_save, seen_implicit_none;
849 /* Normally we don't need to refcount namespaces. However when we read
850 a module containing a function with multiple entry points, this
851 will appear as several functions with the same formal namespace. */
854 /* A list of all alternate entry points to this procedure (or NULL). */
855 gfc_entry_list *entries;
857 /* Set to 1 if namespace is a BLOCK DATA program unit. */
862 extern gfc_namespace *gfc_current_ns;
864 /* Global symbols are symbols of global scope. Currently we only use
865 this to detect collisions already when parsing.
866 TODO: Extend to verify procedure calls. */
868 typedef struct gfc_gsymbol
870 BBT_HEADER(gfc_gsymbol);
873 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
874 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
881 extern gfc_gsymbol *gfc_gsym_root;
883 /* Information on interfaces being built. */
894 extern gfc_interface_info current_interface;
897 /* Array reference. */
898 typedef struct gfc_array_ref
901 int dimen; /* # of components in the reference */
905 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
906 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
907 *stride[GFC_MAX_DIMENSIONS];
910 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
911 dimen_type[GFC_MAX_DIMENSIONS];
913 struct gfc_expr *offset;
917 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
920 /* Component reference nodes. A variable is stored as an expression
921 node that points to the base symbol. After that, a singly linked
922 list of component reference nodes gives the variable's complete
923 resolution. The array_ref component may be present and comes
924 before the component component. */
927 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
930 typedef struct gfc_ref
936 struct gfc_array_ref ar;
940 gfc_component *component;
947 struct gfc_expr *start, *end; /* Substring */
955 struct gfc_ref *next;
959 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
962 /* Structures representing intrinsic symbols and their arguments lists. */
963 typedef struct gfc_intrinsic_arg
965 char name[GFC_MAX_SYMBOL_LEN + 1];
969 gfc_actual_arglist *actual;
971 struct gfc_intrinsic_arg *next;
977 /* Specifies the various kinds of check functions used to verify the
978 argument lists of intrinsic functions. fX with X an integer refer
979 to check functions of intrinsics with X arguments. f1m is used for
980 the MAX and MIN intrinsics which can have an arbitrary number of
981 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
982 these have special semantics. */
987 try (*f1)(struct gfc_expr *);
988 try (*f1m)(gfc_actual_arglist *);
989 try (*f2)(struct gfc_expr *, struct gfc_expr *);
990 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
991 try (*f3ml)(gfc_actual_arglist *);
992 try (*f3red)(gfc_actual_arglist *);
993 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
995 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
996 struct gfc_expr *, struct gfc_expr *);
1000 /* Like gfc_check_f, these specify the type of the simplification
1001 function associated with an intrinsic. The fX are just like in
1002 gfc_check_f. cc is used for type conversion functions. */
1006 struct gfc_expr *(*f0)(void);
1007 struct gfc_expr *(*f1)(struct gfc_expr *);
1008 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1009 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1011 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1012 struct gfc_expr *, struct gfc_expr *);
1013 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1014 struct gfc_expr *, struct gfc_expr *,
1016 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1020 /* Again like gfc_check_f, these specify the type of the resolution
1021 function associated with an intrinsic. The fX are just like in
1022 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1027 void (*f0)(struct gfc_expr *);
1028 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1029 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1030 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1031 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1033 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1034 struct gfc_expr *, struct gfc_expr *);
1035 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1036 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1037 void (*s1)(struct gfc_code *);
1042 typedef struct gfc_intrinsic_sym
1044 const char *name, *lib_name;
1045 gfc_intrinsic_arg *formal;
1047 int elemental, pure, generic, specific, actual_ok, standard, noreturn;
1049 gfc_simplify_f simplify;
1051 gfc_resolve_f resolve;
1052 struct gfc_intrinsic_sym *specific_head, *next;
1053 gfc_generic_isym_id generic_id;
1059 /* Expression nodes. The expression node types deserve explanations,
1060 since the last couple can be easily misconstrued:
1062 EXPR_OP Operator node pointing to one or two other nodes
1063 EXPR_FUNCTION Function call, symbol points to function's name
1064 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1065 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1066 which expresses structure, array and substring refs.
1067 EXPR_NULL The NULL pointer value (which also has a basic type).
1068 EXPR_SUBSTRING A substring of a constant string
1069 EXPR_STRUCTURE A structure constructor
1070 EXPR_ARRAY An array constructor. */
1074 #define GFC_RND_MODE GMP_RNDN
1076 typedef struct gfc_expr
1080 gfc_typespec ts; /* These two refer to the overall expression */
1083 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1085 /* Nonnull for functions and structure constructors */
1086 gfc_symtree *symtree;
1092 /* True if it is converted from Hollerith constant. */
1093 unsigned int from_H : 1;
1110 gfc_intrinsic_op operator;
1112 struct gfc_expr *op1, *op2;
1118 gfc_actual_arglist *actual;
1119 const char *name; /* Points to the ultimate name of the function */
1120 gfc_intrinsic_sym *isym;
1132 struct gfc_constructor *constructor;
1140 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1142 /* Structures for information associated with different kinds of
1143 numbers. The first set of integer parameters define all there is
1144 to know about a particular kind. The rest of the elements are
1145 computed from the first elements. */
1149 /* Values really representable by the target. */
1150 mpz_t huge, pedantic_min_int, min_int, max_int;
1152 int kind, radix, digits, bit_size, range;
1154 /* True if the C type of the given name maps to this precision.
1155 Note that more than one bit can be set. */
1156 unsigned int c_char : 1;
1157 unsigned int c_short : 1;
1158 unsigned int c_int : 1;
1159 unsigned int c_long : 1;
1160 unsigned int c_long_long : 1;
1164 extern gfc_integer_info gfc_integer_kinds[];
1171 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1172 unsigned int c_bool : 1;
1176 extern gfc_logical_info gfc_logical_kinds[];
1181 mpfr_t epsilon, huge, tiny, subnormal;
1182 int kind, radix, digits, min_exponent, max_exponent;
1183 int range, precision;
1185 /* The precision of the type as reported by GET_MODE_PRECISION. */
1188 /* True if the C type of the given name maps to this precision.
1189 Note that more than one bit can be set. */
1190 unsigned int c_float : 1;
1191 unsigned int c_double : 1;
1192 unsigned int c_long_double : 1;
1196 extern gfc_real_info gfc_real_kinds[];
1199 /* Equivalence structures. Equivalent lvalues are linked along the
1200 *eq pointer, equivalence sets are strung along the *next node. */
1201 typedef struct gfc_equiv
1203 struct gfc_equiv *next, *eq;
1210 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1213 /* gfc_case stores the selector list of a case statement. The *low
1214 and *high pointers can point to the same expression in the case of
1215 a single value. If *high is NULL, the selection is from *low
1216 upwards, if *low is NULL the selection is *high downwards.
1218 This structure has separate fields to allow single and double linked
1219 lists of CASEs at the same time. The singe linked list along the NEXT
1220 field is a list of cases for a single CASE label. The double linked
1221 list along the LEFT/RIGHT fields is used to detect overlap and to
1222 build a table of the cases for SELECT constructs with a CHARACTER
1225 typedef struct gfc_case
1227 /* Where we saw this case. */
1231 /* Case range values. If (low == high), it's a single value. If one of
1232 the labels is NULL, it's an unbounded case. If both are NULL, this
1233 represents the default case. */
1234 gfc_expr *low, *high;
1236 /* Next case label in the list of cases for a single CASE label. */
1237 struct gfc_case *next;
1239 /* Used for detecting overlap, and for code generation. */
1240 struct gfc_case *left, *right;
1242 /* True if this case label can never be matched. */
1247 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1252 gfc_expr *var, *start, *end, *step;
1256 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1259 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1261 typedef struct gfc_alloc
1264 struct gfc_alloc *next;
1268 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1273 gfc_expr *unit, *file, *status, *access, *form, *recl,
1274 *blank, *position, *action, *delim, *pad, *iostat, *iomsg;
1282 gfc_expr *unit, *status, *iostat, *iomsg;
1290 gfc_expr *unit, *iostat, *iomsg;
1298 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1299 *name, *access, *sequential, *direct, *form, *formatted,
1300 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1301 *write, *readwrite, *delim, *pad, *iolength, *iomsg;
1311 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg;
1313 gfc_symbol *namelist;
1314 /* A format_label of `format_asterisk' indicates the "*" format */
1315 gfc_st_label *format_label;
1316 gfc_st_label *err, *end, *eor;
1318 locus eor_where, end_where;
1323 typedef struct gfc_forall_iterator
1325 gfc_expr *var, *start, *end, *stride;
1326 struct gfc_forall_iterator *next;
1328 gfc_forall_iterator;
1331 /* Executable statements that fill gfc_code structures. */
1334 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1335 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1336 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1337 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1338 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1339 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1340 EXEC_OPEN, EXEC_CLOSE,
1341 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1342 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH
1346 typedef struct gfc_code
1350 struct gfc_code *block, *next;
1353 gfc_st_label *here, *label, *label2, *label3;
1354 gfc_symtree *symtree;
1355 gfc_expr *expr, *expr2;
1356 /* A name isn't sufficient to identify a subroutine, we need the actual
1357 symbol for the interface definition.
1358 const char *sub_name; */
1359 gfc_symbol *resolved_sym;
1363 gfc_actual_arglist *actual;
1364 gfc_case *case_list;
1365 gfc_iterator *iterator;
1366 gfc_alloc *alloc_list;
1369 gfc_filepos *filepos;
1370 gfc_inquire *inquire;
1372 gfc_forall_iterator *forall_iterator;
1373 struct gfc_code *whichloop;
1375 gfc_entry_list *entry;
1377 ext; /* Points to additional structures required by statement */
1379 /* Backend_decl is used for cycle and break labels in do loops, and
1380 * probably for other constructs as well, once we translate them. */
1386 /* Storage for DATA statements. */
1387 typedef struct gfc_data_variable
1391 struct gfc_data_variable *list, *next;
1396 typedef struct gfc_data_value
1398 unsigned int repeat;
1400 struct gfc_data_value *next;
1405 typedef struct gfc_data
1407 gfc_data_variable *var;
1408 gfc_data_value *value;
1411 struct gfc_data *next;
1415 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1416 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1417 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1420 /* Structure for holding compile options */
1424 gfc_source_form source_form;
1425 int fixed_line_length;
1426 int max_identifier_length;
1430 int warn_conversion;
1431 int warn_implicit_interface;
1432 int warn_line_truncation;
1434 int warn_surprising;
1435 int warn_unused_labels;
1437 int flag_default_double;
1438 int flag_default_integer;
1439 int flag_default_real;
1441 int flag_underscoring;
1442 int flag_second_underscore;
1443 int flag_implicit_none;
1444 int flag_max_stack_var_size;
1445 int flag_module_access_private;
1446 int flag_no_backend;
1447 int flag_pack_derived;
1448 int flag_repack_arrays;
1458 int warn_nonstd_intrinsics;
1462 extern gfc_option_t gfc_option;
1465 /* Constructor nodes for array and structure constructors. */
1466 typedef struct gfc_constructor
1469 gfc_iterator *iterator;
1471 struct gfc_constructor *next;
1474 mpz_t offset; /* Record the offset of array element which appears in
1475 data statement like "data a(5)/4/". */
1476 gfc_component *component; /* Record the component being initialized. */
1479 mpz_t repeat; /* Record the repeat number of initial values in data
1480 statement like "data a/5*10/". */
1485 typedef struct iterator_stack
1487 gfc_symtree *variable;
1489 struct iterator_stack *prev;
1492 extern iterator_stack *iter_stack;
1494 /************************ Function prototypes *************************/
1497 void gfc_formalize_init_value (gfc_symbol *);
1498 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1499 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1500 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1501 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1504 void gfc_scanner_done_1 (void);
1505 void gfc_scanner_init_1 (void);
1507 void gfc_add_include_path (const char *);
1508 void gfc_release_include_path (void);
1509 FILE *gfc_open_included_file (const char *);
1511 int gfc_at_end (void);
1512 int gfc_at_eof (void);
1513 int gfc_at_bol (void);
1514 int gfc_at_eol (void);
1515 void gfc_advance_line (void);
1516 int gfc_check_include (void);
1518 void gfc_skip_comments (void);
1519 int gfc_next_char_literal (int);
1520 int gfc_next_char (void);
1521 int gfc_peek_char (void);
1522 void gfc_error_recovery (void);
1523 void gfc_gobble_whitespace (void);
1524 try gfc_new_file (void);
1526 extern gfc_source_form gfc_current_form;
1527 extern const char *gfc_source_file;
1528 extern locus gfc_current_locus;
1531 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1532 void gfc_free (void *);
1533 int gfc_terminal_width(void);
1534 void gfc_clear_ts (gfc_typespec *);
1535 FILE *gfc_open_file (const char *);
1536 const char *gfc_basic_typename (bt);
1537 const char *gfc_typename (gfc_typespec *);
1539 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1540 "=" : gfc_code2string (intrinsic_operators, OP))
1542 const char *gfc_code2string (const mstring *, int);
1543 int gfc_string2code (const mstring *, const char *);
1544 const char *gfc_intent_string (sym_intent);
1546 void gfc_init_1 (void);
1547 void gfc_init_2 (void);
1548 void gfc_done_1 (void);
1549 void gfc_done_2 (void);
1552 unsigned int gfc_init_options (unsigned int, const char **);
1553 int gfc_handle_option (size_t, const char *, int);
1554 bool gfc_post_options (const char **);
1557 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1561 typedef struct gfc_error_buf
1564 size_t allocated, index;
1568 void gfc_error_init_1 (void);
1569 void gfc_buffer_error (int);
1571 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1572 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1573 void gfc_clear_warning (void);
1574 void gfc_warning_check (void);
1576 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1577 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1578 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1579 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1580 void gfc_clear_error (void);
1581 int gfc_error_check (void);
1583 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1585 /* A general purpose syntax error. */
1586 #define gfc_syntax_error(ST) \
1587 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1589 void gfc_push_error (gfc_error_buf *);
1590 void gfc_pop_error (gfc_error_buf *);
1591 void gfc_free_error (gfc_error_buf *);
1593 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1594 void gfc_status_char (char);
1596 void gfc_get_errors (int *, int *);
1599 void gfc_arith_init_1 (void);
1600 void gfc_arith_done_1 (void);
1603 int gfc_validate_kind (bt, int, bool);
1604 extern int gfc_index_integer_kind;
1605 extern int gfc_default_integer_kind;
1606 extern int gfc_max_integer_kind;
1607 extern int gfc_default_real_kind;
1608 extern int gfc_default_double_kind;
1609 extern int gfc_default_character_kind;
1610 extern int gfc_default_logical_kind;
1611 extern int gfc_default_complex_kind;
1612 extern int gfc_c_int_kind;
1615 void gfc_clear_new_implicit (void);
1616 try gfc_add_new_implicit_range (int, int);
1617 try gfc_merge_new_implicit (gfc_typespec *);
1618 void gfc_set_implicit_none (void);
1620 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1621 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1623 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1624 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1626 void gfc_set_sym_referenced (gfc_symbol * sym);
1628 try gfc_add_allocatable (symbol_attribute *, locus *);
1629 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1630 try gfc_add_external (symbol_attribute *, locus *);
1631 try gfc_add_intrinsic (symbol_attribute *, locus *);
1632 try gfc_add_optional (symbol_attribute *, locus *);
1633 try gfc_add_pointer (symbol_attribute *, locus *);
1634 try gfc_add_result (symbol_attribute *, const char *, locus *);
1635 try gfc_add_save (symbol_attribute *, const char *, locus *);
1636 try gfc_add_saved_common (symbol_attribute *, locus *);
1637 try gfc_add_target (symbol_attribute *, locus *);
1638 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1639 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1640 try gfc_add_common (symbol_attribute *, locus *);
1641 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1642 try gfc_add_data (symbol_attribute *, const char *, locus *);
1643 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1644 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1645 try gfc_add_elemental (symbol_attribute *, locus *);
1646 try gfc_add_pure (symbol_attribute *, locus *);
1647 try gfc_add_recursive (symbol_attribute *, locus *);
1648 try gfc_add_function (symbol_attribute *, const char *, locus *);
1649 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1651 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1652 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1653 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1654 try gfc_add_procedure (symbol_attribute *, procedure_type,
1655 const char *, locus *);
1656 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1657 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1658 gfc_formal_arglist *, locus *);
1659 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1661 void gfc_clear_attr (symbol_attribute *);
1662 try gfc_missing_attr (symbol_attribute *, locus *);
1663 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1665 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1666 gfc_symbol *gfc_use_derived (gfc_symbol *);
1667 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1668 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1670 gfc_st_label *gfc_get_st_label (int);
1671 void gfc_free_st_label (gfc_st_label *);
1672 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1673 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1675 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1676 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1677 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1678 gfc_user_op *gfc_get_uop (const char *);
1679 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1680 void gfc_free_symbol (gfc_symbol *);
1681 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1682 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1683 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1684 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1685 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1686 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1687 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1689 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1691 void gfc_undo_symbols (void);
1692 void gfc_commit_symbols (void);
1693 void gfc_free_namespace (gfc_namespace *);
1695 void gfc_symbol_init_2 (void);
1696 void gfc_symbol_done_2 (void);
1698 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1699 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1700 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1701 void gfc_save_all (gfc_namespace *);
1703 void gfc_symbol_state (void);
1705 gfc_gsymbol *gfc_get_gsymbol (const char *);
1706 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1709 extern int gfc_init_expr;
1711 /* Given a symbol that we have decided is intrinsic, mark it as such
1712 by placing it into a special module that is otherwise impossible to
1715 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1717 void gfc_intrinsic_init_1 (void);
1718 void gfc_intrinsic_done_1 (void);
1720 char gfc_type_letter (bt);
1721 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1722 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1723 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1724 int gfc_generic_intrinsic (const char *);
1725 int gfc_specific_intrinsic (const char *);
1726 int gfc_intrinsic_name (const char *, int);
1727 gfc_intrinsic_sym *gfc_find_function (const char *);
1729 match gfc_intrinsic_func_interface (gfc_expr *, int);
1730 match gfc_intrinsic_sub_interface (gfc_code *, int);
1733 void gfc_simplify_init_1 (void);
1735 /* match.c -- FIXME */
1736 void gfc_free_iterator (gfc_iterator *, int);
1737 void gfc_free_forall_iterator (gfc_forall_iterator *);
1738 void gfc_free_alloc_list (gfc_alloc *);
1739 void gfc_free_namelist (gfc_namelist *);
1740 void gfc_free_equiv (gfc_equiv *);
1741 void gfc_free_data (gfc_data *);
1742 void gfc_free_case_list (gfc_case *);
1745 void gfc_free_actual_arglist (gfc_actual_arglist *);
1746 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1747 const char *gfc_extract_int (gfc_expr *, int *);
1749 gfc_expr *gfc_build_conversion (gfc_expr *);
1750 void gfc_free_ref_list (gfc_ref *);
1751 void gfc_type_convert_binary (gfc_expr *);
1752 int gfc_is_constant_expr (gfc_expr *);
1753 try gfc_simplify_expr (gfc_expr *, int);
1755 gfc_expr *gfc_get_expr (void);
1756 void gfc_free_expr (gfc_expr *);
1757 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1758 gfc_expr *gfc_int_expr (int);
1759 gfc_expr *gfc_logical_expr (int, locus *);
1760 mpz_t *gfc_copy_shape (mpz_t *, int);
1761 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1762 gfc_expr *gfc_copy_expr (gfc_expr *);
1764 try gfc_specification_expr (gfc_expr *);
1766 int gfc_numeric_ts (gfc_typespec *);
1767 int gfc_kind_max (gfc_expr *, gfc_expr *);
1769 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1770 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1771 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1772 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1774 gfc_expr *gfc_default_initializer (gfc_typespec *);
1775 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1779 extern gfc_code new_st;
1781 void gfc_clear_new_st (void);
1782 gfc_code *gfc_get_code (void);
1783 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1784 void gfc_free_statement (gfc_code *);
1785 void gfc_free_statements (gfc_code *);
1788 try gfc_resolve_expr (gfc_expr *);
1789 void gfc_resolve (gfc_namespace *);
1790 int gfc_impure_variable (gfc_symbol *);
1791 int gfc_pure (gfc_symbol *);
1792 int gfc_elemental (gfc_symbol *);
1793 try gfc_resolve_iterator (gfc_iterator *, bool);
1794 try gfc_resolve_index (gfc_expr *, int);
1795 try gfc_resolve_dim_arg (gfc_expr *);
1798 void gfc_free_array_spec (gfc_array_spec *);
1799 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1801 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1802 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1803 try gfc_resolve_array_spec (gfc_array_spec *, int);
1805 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1807 gfc_expr *gfc_start_constructor (bt, int, locus *);
1808 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1809 void gfc_free_constructor (gfc_constructor *);
1810 void gfc_simplify_iterator_var (gfc_expr *);
1811 try gfc_expand_constructor (gfc_expr *);
1812 int gfc_constant_ac (gfc_expr *);
1813 int gfc_expanded_ac (gfc_expr *);
1814 try gfc_resolve_array_constructor (gfc_expr *);
1815 try gfc_check_constructor_type (gfc_expr *);
1816 try gfc_check_iter_variable (gfc_expr *);
1817 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1818 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1819 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1820 try gfc_array_size (gfc_expr *, mpz_t *);
1821 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1822 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1823 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1824 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1825 gfc_constructor *gfc_get_constructor (void);
1826 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1827 try spec_size (gfc_array_spec *, mpz_t *);
1828 int gfc_is_compile_time_shape (gfc_array_spec *);
1830 /* interface.c -- FIXME: some of these should be in symbol.c */
1831 void gfc_free_interface (gfc_interface *);
1832 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1833 void gfc_check_interfaces (gfc_namespace *);
1834 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1835 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1836 gfc_actual_arglist **);
1837 try gfc_extend_expr (gfc_expr *);
1838 void gfc_free_formal_arglist (gfc_formal_arglist *);
1839 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1840 try gfc_add_interface (gfc_symbol * sym);
1843 extern gfc_st_label format_asterisk;
1845 void gfc_free_open (gfc_open *);
1846 try gfc_resolve_open (gfc_open *);
1847 void gfc_free_close (gfc_close *);
1848 try gfc_resolve_close (gfc_close *);
1849 void gfc_free_filepos (gfc_filepos *);
1850 try gfc_resolve_filepos (gfc_filepos *);
1851 void gfc_free_inquire (gfc_inquire *);
1852 try gfc_resolve_inquire (gfc_inquire *);
1853 void gfc_free_dt (gfc_dt *);
1854 try gfc_resolve_dt (gfc_dt *);
1857 void gfc_module_init_2 (void);
1858 void gfc_module_done_2 (void);
1859 void gfc_dump_module (const char *, int);
1860 bool gfc_check_access (gfc_access, gfc_access);
1863 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1864 symbol_attribute gfc_expr_attr (gfc_expr *);
1867 void gfc_generate_code (gfc_namespace *);
1868 void gfc_generate_module_code (gfc_namespace *);
1871 typedef int (*compare_fn) (void *, void *);
1872 void gfc_insert_bbt (void *, void *, compare_fn);
1873 void gfc_delete_bbt (void *, void *, compare_fn);
1875 /* dump-parse-tree.c */
1876 void gfc_show_namespace (gfc_namespace *);
1879 try gfc_parse_file (void);
1881 #endif /* GCC_GFORTRAN_H */