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. */
33 #include "coretypes.h"
36 /* The following ifdefs are recommended by the autoconf documentation
37 for any code using alloca. */
39 /* AIX requires this to be the first thing in the file. */
41 #else /* not __GNUC__ */
44 #else /* do not HAVE_ALLOCA_H */
48 #ifndef alloca /* predefined by HP cc +Olibcalls */
50 #endif /* not predefined */
52 #endif /* do not HAVE_ALLOCA_H */
53 #endif /* not __GNUC__ */
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63
58 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
59 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
60 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
62 #define free(x) Use_gfc_free_instead_of_free()
63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
66 #define NULL ((void *) 0)
70 #define stringize(x) expand_macro(x)
71 #define expand_macro(x) # x
73 /* For a the runtime library, a standard prefix is a requirement to
74 avoid cluttering the namespace with things nobody asked for. It's
75 ugly to look at and a pain to type when you add the prefix by hand,
76 so we hide it behind a macro. */
77 #define PREFIX(x) "_gfortran_" x
80 /* Macro to initialize an mstring structure. */
81 #define minit(s, t) { s, NULL, t }
83 /* Structure for storing strings to be matched by gfc_match_string. */
93 /* Flags to specify which standard/extension contains a feature. */
94 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
95 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
96 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
97 /* Note that no features were obsoleted nor deleted in F2003. */
98 #define GFC_STD_F95 (1<<3) /* New in F95. */
99 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
100 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
101 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
103 /*************************** Enums *****************************/
105 /* The author remains confused to this day about the convention of
106 returning '0' for 'SUCCESS'... or was it the other way around? The
107 following enum makes things much more readable. We also start
108 values off at one instead of zero. */
111 { SUCCESS = 1, FAILURE }
114 /* Matchers return one of these three values. The difference between
115 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
116 successful, but that something non-syntactic is wrong and an error
117 has already been issued. */
120 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
124 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
128 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
129 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE, BT_HOLLERITH
133 /* Expression node types. */
135 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
136 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
142 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
143 AS_ASSUMED_SIZE, AS_UNKNOWN
148 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
151 /* Statement label types. */
153 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
154 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
158 /* Intrinsic operators. */
160 { GFC_INTRINSIC_BEGIN = 0,
161 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
162 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
163 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
164 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
165 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
166 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
168 GFC_INTRINSIC_END /* Sentinel */
173 /* Strings for all intrinsic operators. */
174 extern mstring intrinsic_operators[];
177 /* This macro is the number of intrinsic operators that exist.
178 Assumptions are made about the numbering of the interface_op enums. */
179 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
181 /* Arithmetic results. */
183 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
184 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
191 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
192 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
193 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
194 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
195 ST_END_FILE, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF,
196 ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT,
197 ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE,
198 ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO,
199 ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE,
200 ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN,
201 ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND,
202 ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE,
203 ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE,
204 ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT,
210 /* Types of interfaces that we can have. Assignment interfaces are
211 considered to be intrinsic operators. */
214 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
215 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
219 /* Symbol flavors: these are all mutually exclusive.
220 10 elements = 4 bits. */
221 typedef enum sym_flavor
223 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
224 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
228 /* Procedure types. 7 elements = 3 bits. */
229 typedef enum procedure_type
230 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
231 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
236 typedef enum sym_intent
237 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
242 typedef enum gfc_access
243 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
247 /* Flags to keep track of where an interface came from.
248 4 elements = 2 bits. */
250 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
254 /* Strings for all symbol attributes. We use these for dumping the
255 parse tree, in error messages, and also when reading and writing
256 modules. In symbol.c. */
257 extern const mstring flavors[];
258 extern const mstring procedures[];
259 extern const mstring intents[];
260 extern const mstring access_types[];
261 extern const mstring ifsrc_types[];
263 /* Enumeration of all the generic intrinsic functions. Used by the
264 backend for identification of a function. */
266 enum gfc_generic_isym_id
268 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
269 the backend (eg. KIND). */
300 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
308 GFC_ISYM_DOT_PRODUCT,
378 GFC_ISYM_SET_EXPONENT,
407 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
409 /************************* Structures *****************************/
411 /* Symbol attribute structure. */
414 /* Variable attributes. */
415 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
416 optional:1, pointer:1, save:1, target:1,
417 dummy:1, result:1, assign:1;
419 unsigned data:1, /* Symbol is named in a DATA statement. */
420 use_assoc:1; /* Symbol has been use-associated. */
422 unsigned in_namelist:1, in_common:1;
423 unsigned function:1, subroutine:1, generic:1;
424 unsigned implicit_type:1; /* Type defined via implicit rules. */
425 unsigned untyped:1; /* No implicit type could be found. */
427 /* Function/subroutine attributes */
428 unsigned sequence:1, elemental:1, pure:1, recursive:1;
429 unsigned unmaskable:1, masked:1, contained:1;
431 /* Set if this procedure is an alternate entry point. These procedures
432 don't have any code associated, and the backend will turn them into
433 thunks to the master function. */
436 /* Set if this is the master function for a procedure with multiple
438 unsigned entry_master:1;
440 /* Set if this is the master function for a function with multiple
441 entry points where characteristics of the entry points differ. */
442 unsigned mixed_entry_master:1;
444 /* Set if a function must always be referenced by an explicit interface. */
445 unsigned always_explicit:1;
447 /* Set if the symbol has been referenced in an expression. No further
448 modification of type or type parameters is permitted. */
449 unsigned referenced:1;
451 /* Set if the is the symbol for the main program. This is the least
452 cumbersome way to communicate this function property without
453 strcmp'ing with __MAIN everywhere. */
454 unsigned is_main_program:1;
456 /* Mutually exclusive multibit attributes. */
457 ENUM_BITFIELD (gfc_access) access:2;
458 ENUM_BITFIELD (sym_intent) intent:2;
459 ENUM_BITFIELD (sym_flavor) flavor:4;
460 ENUM_BITFIELD (ifsrc) if_source:2;
462 ENUM_BITFIELD (procedure_type) proc:3;
468 /* The following three structures are used to identify a location in
471 gfc_file is used to maintain a tree of the source files and how
472 they include each other
474 gfc_linebuf holds a single line of source code and information
475 which file it resides in
477 locus point to the sourceline and the character in the source
481 typedef struct gfc_file
483 struct gfc_file *included_by, *next, *up;
484 int inclusion_line, line;
488 typedef struct gfc_linebuf
490 #ifdef USE_MAPPED_LOCATION
491 source_location location;
495 struct gfc_file *file;
496 struct gfc_linebuf *next;
503 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
511 /* In order for the "gfc" format checking to work correctly, you must
512 have declared a typedef locus first. */
513 #if GCC_VERSION >= 4001
514 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
516 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
522 # include <sys/param.h>
523 # define PATH_MAX MAXPATHLEN
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 */
712 /* Make sure setup code for dummy arguments is generated in the correct
716 gfc_namelist *namelist, *namelist_tail;
718 /* Change management fields. Symbols that might be modified by the
719 current statement have the mark member nonzero and are kept in a
720 singly linked list through the tlink field. Of these symbols,
721 symbols with old_symbol equal to NULL are symbols created within
722 the current statement. Otherwise, old_symbol points to a copy of
725 struct gfc_symbol *old_symbol, *tlink;
726 unsigned mark:1, new:1;
727 /* Nonzero if all equivalences associated with this symbol have been
729 unsigned equiv_built:1;
731 struct gfc_namespace *ns; /* namespace containing this symbol */
738 /* This structure is used to keep track of symbols in common blocks. */
743 int use_assoc, saved;
744 char name[GFC_MAX_SYMBOL_LEN + 1];
749 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
752 /* A list of all the alternate entry points for a procedure. */
754 typedef struct gfc_entry_list
756 /* The symbol for this entry point. */
758 /* The zero-based id of this entry point. */
760 /* The LABEL_EXPR marking this entry point. */
762 /* The nest item in the list. */
763 struct gfc_entry_list *next;
767 #define gfc_get_entry_list() \
768 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
770 /* Within a namespace, symbols are pointed to by symtree nodes that
771 are linked together in a balanced binary tree. There can be
772 several symtrees pointing to the same symbol node via USE
775 #define BBT_HEADER(self) int priority; struct self *left, *right
777 typedef struct gfc_symtree
779 BBT_HEADER (gfc_symtree);
784 gfc_symbol *sym; /* Symbol associated with this node */
786 gfc_common_head *common;
794 /* A namespace describes the contents of procedure, module or
796 /* ??? Anything else use these? */
798 typedef struct gfc_namespace
800 /* Tree containing all the symbols in this namespace. */
801 gfc_symtree *sym_root;
802 /* Tree containing all the user-defined operators in the namespace. */
803 gfc_symtree *uop_root;
804 /* Tree containing all the common blocks. */
805 gfc_symtree *common_root;
807 /* If set_flag[letter] is set, an implicit type has been set for letter. */
808 int set_flag[GFC_LETTERS];
809 /* Keeps track of the implicit types associated with the letters. */
810 gfc_typespec default_type[GFC_LETTERS];
812 /* If this is a namespace of a procedure, this points to the procedure. */
813 struct gfc_symbol *proc_name;
814 /* If this is the namespace of a unit which contains executable
815 code, this points to it. */
816 struct gfc_code *code;
818 /* Points to the equivalences set up in this namespace. */
819 struct gfc_equiv *equiv;
820 gfc_interface *operator[GFC_INTRINSIC_OPS];
822 /* Points to the parent namespace, i.e. the namespace of a module or
823 procedure in which the procedure belonging to this namespace is
824 contained. The parent namespace points to this namespace either
825 directly via CONTAINED, or indirectly via the chain built by
827 struct gfc_namespace *parent;
828 /* CONTAINED points to the first contained namespace. Sibling
829 namespaces are chained via SIBLING. */
830 struct gfc_namespace *contained, *sibling;
832 gfc_common_head blank_common;
833 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
835 gfc_st_label *st_labels;
836 /* This list holds information about all the data initializers in
838 struct gfc_data *data;
840 gfc_charlen *cl_list;
842 int save_all, seen_save, seen_implicit_none;
844 /* Normally we don't need to refcount namespaces. However when we read
845 a module containing a function with multiple entry points, this
846 will appear as several functions with the same formal namespace. */
849 /* A list of all alternate entry points to this procedure (or NULL). */
850 gfc_entry_list *entries;
852 /* Set to 1 if namespace is a BLOCK DATA program unit. */
857 extern gfc_namespace *gfc_current_ns;
859 /* Global symbols are symbols of global scope. Currently we only use
860 this to detect collisions already when parsing.
861 TODO: Extend to verify procedure calls. */
863 typedef struct gfc_gsymbol
865 BBT_HEADER(gfc_gsymbol);
868 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
869 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
876 extern gfc_gsymbol *gfc_gsym_root;
878 /* Information on interfaces being built. */
889 extern gfc_interface_info current_interface;
892 /* Array reference. */
893 typedef struct gfc_array_ref
896 int dimen; /* # of components in the reference */
900 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
901 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
902 *stride[GFC_MAX_DIMENSIONS];
905 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
906 dimen_type[GFC_MAX_DIMENSIONS];
908 struct gfc_expr *offset;
912 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
915 /* Component reference nodes. A variable is stored as an expression
916 node that points to the base symbol. After that, a singly linked
917 list of component reference nodes gives the variable's complete
918 resolution. The array_ref component may be present and comes
919 before the component component. */
922 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
925 typedef struct gfc_ref
931 struct gfc_array_ref ar;
935 gfc_component *component;
942 struct gfc_expr *start, *end; /* Substring */
950 struct gfc_ref *next;
954 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
957 /* Structures representing intrinsic symbols and their arguments lists. */
958 typedef struct gfc_intrinsic_arg
960 char name[GFC_MAX_SYMBOL_LEN + 1];
964 gfc_actual_arglist *actual;
966 struct gfc_intrinsic_arg *next;
972 /* Specifies the various kinds of check functions used to verify the
973 argument lists of intrinsic functions. fX with X an integer refer
974 to check functions of intrinsics with X arguments. f1m is used for
975 the MAX and MIN intrinsics which can have an arbitrary number of
976 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
977 these have special semantics. */
982 try (*f1)(struct gfc_expr *);
983 try (*f1m)(gfc_actual_arglist *);
984 try (*f2)(struct gfc_expr *, struct gfc_expr *);
985 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
986 try (*f3ml)(gfc_actual_arglist *);
987 try (*f3red)(gfc_actual_arglist *);
988 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
990 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
991 struct gfc_expr *, struct gfc_expr *);
995 /* Like gfc_check_f, these specify the type of the simplification
996 function associated with an intrinsic. The fX are just like in
997 gfc_check_f. cc is used for type conversion functions. */
1001 struct gfc_expr *(*f0)(void);
1002 struct gfc_expr *(*f1)(struct gfc_expr *);
1003 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1004 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1006 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1007 struct gfc_expr *, struct gfc_expr *);
1008 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1009 struct gfc_expr *, struct gfc_expr *,
1011 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1015 /* Again like gfc_check_f, these specify the type of the resolution
1016 function associated with an intrinsic. The fX are just like in
1017 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1022 void (*f0)(struct gfc_expr *);
1023 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1024 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1025 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1026 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1028 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1029 struct gfc_expr *, struct gfc_expr *);
1030 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1031 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1032 void (*s1)(struct gfc_code *);
1037 typedef struct gfc_intrinsic_sym
1039 const char *name, *lib_name;
1040 gfc_intrinsic_arg *formal;
1042 int elemental, pure, generic, specific, actual_ok, standard;
1044 gfc_simplify_f simplify;
1046 gfc_resolve_f resolve;
1047 struct gfc_intrinsic_sym *specific_head, *next;
1048 gfc_generic_isym_id generic_id;
1054 /* Expression nodes. The expression node types deserve explanations,
1055 since the last couple can be easily misconstrued:
1057 EXPR_OP Operator node pointing to one or two other nodes
1058 EXPR_FUNCTION Function call, symbol points to function's name
1059 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1060 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1061 which expresses structure, array and substring refs.
1062 EXPR_NULL The NULL pointer value (which also has a basic type).
1063 EXPR_SUBSTRING A substring of a constant string
1064 EXPR_STRUCTURE A structure constructor
1065 EXPR_ARRAY An array constructor. */
1069 #define GFC_RND_MODE GMP_RNDN
1071 typedef struct gfc_expr
1075 gfc_typespec ts; /* These two refer to the overall expression */
1078 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1080 /* Nonnull for functions and structure constructors */
1081 gfc_symtree *symtree;
1087 /* True if it is converted from Hollerith constant. */
1088 unsigned int from_H : 1;
1105 gfc_intrinsic_op operator;
1107 struct gfc_expr *op1, *op2;
1113 gfc_actual_arglist *actual;
1114 const char *name; /* Points to the ultimate name of the function */
1115 gfc_intrinsic_sym *isym;
1127 struct gfc_constructor *constructor;
1135 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1137 /* Structures for information associated with different kinds of
1138 numbers. The first set of integer parameters define all there is
1139 to know about a particular kind. The rest of the elements are
1140 computed from the first elements. */
1144 /* Values really representable by the target. */
1145 mpz_t huge, pedantic_min_int, min_int, max_int;
1147 int kind, radix, digits, bit_size, range;
1149 /* True if the C type of the given name maps to this precision.
1150 Note that more than one bit can be set. */
1151 unsigned int c_char : 1;
1152 unsigned int c_short : 1;
1153 unsigned int c_int : 1;
1154 unsigned int c_long : 1;
1155 unsigned int c_long_long : 1;
1159 extern gfc_integer_info gfc_integer_kinds[];
1166 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1167 unsigned int c_bool : 1;
1171 extern gfc_logical_info gfc_logical_kinds[];
1176 mpfr_t epsilon, huge, tiny, subnormal;
1177 int kind, radix, digits, min_exponent, max_exponent;
1178 int range, precision;
1180 /* The precision of the type as reported by GET_MODE_PRECISION. */
1183 /* True if the C type of the given name maps to this precision.
1184 Note that more than one bit can be set. */
1185 unsigned int c_float : 1;
1186 unsigned int c_double : 1;
1187 unsigned int c_long_double : 1;
1191 extern gfc_real_info gfc_real_kinds[];
1194 /* Equivalence structures. Equivalent lvalues are linked along the
1195 *eq pointer, equivalence sets are strung along the *next node. */
1196 typedef struct gfc_equiv
1198 struct gfc_equiv *next, *eq;
1204 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1207 /* gfc_case stores the selector list of a case statement. The *low
1208 and *high pointers can point to the same expression in the case of
1209 a single value. If *high is NULL, the selection is from *low
1210 upwards, if *low is NULL the selection is *high downwards.
1212 This structure has separate fields to allow single and double linked
1213 lists of CASEs at the same time. The singe linked list along the NEXT
1214 field is a list of cases for a single CASE label. The double linked
1215 list along the LEFT/RIGHT fields is used to detect overlap and to
1216 build a table of the cases for SELECT constructs with a CHARACTER
1219 typedef struct gfc_case
1221 /* Where we saw this case. */
1225 /* Case range values. If (low == high), it's a single value. If one of
1226 the labels is NULL, it's an unbounded case. If both are NULL, this
1227 represents the default case. */
1228 gfc_expr *low, *high;
1230 /* Next case label in the list of cases for a single CASE label. */
1231 struct gfc_case *next;
1233 /* Used for detecting overlap, and for code generation. */
1234 struct gfc_case *left, *right;
1236 /* True if this case label can never be matched. */
1241 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1246 gfc_expr *var, *start, *end, *step;
1250 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1253 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1255 typedef struct gfc_alloc
1258 struct gfc_alloc *next;
1262 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1267 gfc_expr *unit, *file, *status, *access, *form, *recl,
1268 *blank, *position, *action, *delim, *pad, *iostat;
1276 gfc_expr *unit, *status, *iostat;
1284 gfc_expr *unit, *iostat;
1292 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1293 *name, *access, *sequential, *direct, *form, *formatted,
1294 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1295 *write, *readwrite, *delim, *pad, *iolength;
1305 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1307 gfc_symbol *namelist;
1308 /* A format_label of `format_asterisk' indicates the "*" format */
1309 gfc_st_label *format_label;
1310 gfc_st_label *err, *end, *eor;
1312 locus eor_where, end_where;
1317 typedef struct gfc_forall_iterator
1319 gfc_expr *var, *start, *end, *stride;
1320 struct gfc_forall_iterator *next;
1322 gfc_forall_iterator;
1325 /* Executable statements that fill gfc_code structures. */
1328 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1329 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1330 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1331 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1332 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1333 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1334 EXEC_OPEN, EXEC_CLOSE,
1335 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1336 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH
1340 typedef struct gfc_code
1344 struct gfc_code *block, *next;
1347 gfc_st_label *here, *label, *label2, *label3;
1348 gfc_symtree *symtree;
1349 gfc_expr *expr, *expr2;
1350 /* A name isn't sufficient to identify a subroutine, we need the actual
1351 symbol for the interface definition.
1352 const char *sub_name; */
1353 gfc_symbol *resolved_sym;
1357 gfc_actual_arglist *actual;
1358 gfc_case *case_list;
1359 gfc_iterator *iterator;
1360 gfc_alloc *alloc_list;
1363 gfc_filepos *filepos;
1364 gfc_inquire *inquire;
1366 gfc_forall_iterator *forall_iterator;
1367 struct gfc_code *whichloop;
1369 gfc_entry_list *entry;
1371 ext; /* Points to additional structures required by statement */
1373 /* Backend_decl is used for cycle and break labels in do loops, and
1374 * probably for other constructs as well, once we translate them. */
1380 /* Storage for DATA statements. */
1381 typedef struct gfc_data_variable
1385 struct gfc_data_variable *list, *next;
1390 typedef struct gfc_data_value
1392 unsigned int repeat;
1394 struct gfc_data_value *next;
1399 typedef struct gfc_data
1401 gfc_data_variable *var;
1402 gfc_data_value *value;
1405 struct gfc_data *next;
1409 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1410 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1411 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1414 /* Structure for holding compile options */
1419 gfc_source_form source_form;
1420 int fixed_line_length;
1421 int max_identifier_length;
1425 int warn_conversion;
1426 int warn_implicit_interface;
1427 int warn_line_truncation;
1429 int warn_surprising;
1430 int warn_unused_labels;
1432 int flag_default_double;
1433 int flag_default_integer;
1434 int flag_default_real;
1436 int flag_underscoring;
1437 int flag_second_underscore;
1438 int flag_implicit_none;
1439 int flag_max_stack_var_size;
1440 int flag_module_access_private;
1441 int flag_no_backend;
1442 int flag_pack_derived;
1443 int flag_repack_arrays;
1451 int warn_nonstd_intrinsics;
1455 extern gfc_option_t gfc_option;
1458 /* Constructor nodes for array and structure constructors. */
1459 typedef struct gfc_constructor
1462 gfc_iterator *iterator;
1464 struct gfc_constructor *next;
1467 mpz_t offset; /* Record the offset of array element which appears in
1468 data statement like "data a(5)/4/". */
1469 gfc_component *component; /* Record the component being initialized. */
1472 mpz_t repeat; /* Record the repeat number of initial values in data
1473 statement like "data a/5*10/". */
1478 typedef struct iterator_stack
1480 gfc_symtree *variable;
1482 struct iterator_stack *prev;
1485 extern iterator_stack *iter_stack;
1487 /************************ Function prototypes *************************/
1490 void gfc_formalize_init_value (gfc_symbol *);
1491 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1492 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1493 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1494 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1497 void gfc_scanner_done_1 (void);
1498 void gfc_scanner_init_1 (void);
1500 void gfc_add_include_path (const char *);
1501 void gfc_release_include_path (void);
1502 FILE *gfc_open_included_file (const char *);
1504 int gfc_at_end (void);
1505 int gfc_at_eof (void);
1506 int gfc_at_bol (void);
1507 int gfc_at_eol (void);
1508 void gfc_advance_line (void);
1509 int gfc_check_include (void);
1511 void gfc_skip_comments (void);
1512 int gfc_next_char_literal (int);
1513 int gfc_next_char (void);
1514 int gfc_peek_char (void);
1515 void gfc_error_recovery (void);
1516 void gfc_gobble_whitespace (void);
1517 try gfc_new_file (const char *, gfc_source_form);
1519 extern gfc_source_form gfc_current_form;
1520 extern char *gfc_source_file;
1521 extern locus gfc_current_locus;
1524 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1525 void gfc_free (void *);
1526 int gfc_terminal_width(void);
1527 void gfc_clear_ts (gfc_typespec *);
1528 FILE *gfc_open_file (const char *);
1529 const char *gfc_article (const char *);
1530 const char *gfc_basic_typename (bt);
1531 const char *gfc_typename (gfc_typespec *);
1533 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1534 "=" : gfc_code2string (intrinsic_operators, OP))
1536 const char *gfc_code2string (const mstring *, int);
1537 int gfc_string2code (const mstring *, const char *);
1538 const char *gfc_intent_string (sym_intent);
1540 void gfc_init_1 (void);
1541 void gfc_init_2 (void);
1542 void gfc_done_1 (void);
1543 void gfc_done_2 (void);
1546 unsigned int gfc_init_options (unsigned int, const char **);
1547 int gfc_handle_option (size_t, const char *, int);
1548 bool gfc_post_options (const char **);
1551 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1555 typedef struct gfc_error_buf
1558 size_t allocated, index;
1562 void gfc_error_init_1 (void);
1563 void gfc_buffer_error (int);
1565 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1566 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1567 void gfc_clear_warning (void);
1568 void gfc_warning_check (void);
1570 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1571 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1572 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1573 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1574 void gfc_clear_error (void);
1575 int gfc_error_check (void);
1577 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1579 /* A general purpose syntax error. */
1580 #define gfc_syntax_error(ST) \
1581 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1583 void gfc_push_error (gfc_error_buf *);
1584 void gfc_pop_error (gfc_error_buf *);
1585 void gfc_free_error (gfc_error_buf *);
1587 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1588 void gfc_status_char (char);
1590 void gfc_get_errors (int *, int *);
1593 void gfc_arith_init_1 (void);
1594 void gfc_arith_done_1 (void);
1597 int gfc_validate_kind (bt, int, bool);
1598 extern int gfc_index_integer_kind;
1599 extern int gfc_default_integer_kind;
1600 extern int gfc_max_integer_kind;
1601 extern int gfc_default_real_kind;
1602 extern int gfc_default_double_kind;
1603 extern int gfc_default_character_kind;
1604 extern int gfc_default_logical_kind;
1605 extern int gfc_default_complex_kind;
1606 extern int gfc_c_int_kind;
1609 void gfc_clear_new_implicit (void);
1610 try gfc_add_new_implicit_range (int, int);
1611 try gfc_merge_new_implicit (gfc_typespec *);
1612 void gfc_set_implicit_none (void);
1614 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1615 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1617 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1618 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1620 void gfc_set_sym_referenced (gfc_symbol * sym);
1622 try gfc_add_allocatable (symbol_attribute *, locus *);
1623 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1624 try gfc_add_external (symbol_attribute *, locus *);
1625 try gfc_add_intrinsic (symbol_attribute *, locus *);
1626 try gfc_add_optional (symbol_attribute *, locus *);
1627 try gfc_add_pointer (symbol_attribute *, locus *);
1628 try gfc_add_result (symbol_attribute *, const char *, locus *);
1629 try gfc_add_save (symbol_attribute *, const char *, locus *);
1630 try gfc_add_saved_common (symbol_attribute *, locus *);
1631 try gfc_add_target (symbol_attribute *, locus *);
1632 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1633 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1634 try gfc_add_common (symbol_attribute *, locus *);
1635 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1636 try gfc_add_data (symbol_attribute *, const char *, locus *);
1637 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1638 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1639 try gfc_add_elemental (symbol_attribute *, locus *);
1640 try gfc_add_pure (symbol_attribute *, locus *);
1641 try gfc_add_recursive (symbol_attribute *, locus *);
1642 try gfc_add_function (symbol_attribute *, const char *, locus *);
1643 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1645 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1646 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1647 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1648 try gfc_add_procedure (symbol_attribute *, procedure_type,
1649 const char *, locus *);
1650 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1651 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1652 gfc_formal_arglist *, locus *);
1653 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1655 void gfc_clear_attr (symbol_attribute *);
1656 try gfc_missing_attr (symbol_attribute *, locus *);
1657 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1659 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1660 gfc_symbol *gfc_use_derived (gfc_symbol *);
1661 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1662 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1664 gfc_st_label *gfc_get_st_label (int);
1665 void gfc_free_st_label (gfc_st_label *);
1666 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1667 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1669 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1670 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1671 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1672 gfc_user_op *gfc_get_uop (const char *);
1673 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1674 void gfc_free_symbol (gfc_symbol *);
1675 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1676 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1677 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1678 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1679 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1680 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1681 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1683 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1685 void gfc_undo_symbols (void);
1686 void gfc_commit_symbols (void);
1687 void gfc_free_namespace (gfc_namespace *);
1689 void gfc_symbol_init_2 (void);
1690 void gfc_symbol_done_2 (void);
1692 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1693 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1694 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1695 void gfc_save_all (gfc_namespace *);
1697 void gfc_symbol_state (void);
1699 gfc_gsymbol *gfc_get_gsymbol (const char *);
1700 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1703 extern int gfc_init_expr;
1705 /* Given a symbol that we have decided is intrinsic, mark it as such
1706 by placing it into a special module that is otherwise impossible to
1709 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1711 void gfc_intrinsic_init_1 (void);
1712 void gfc_intrinsic_done_1 (void);
1714 char gfc_type_letter (bt);
1715 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1716 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1717 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1718 int gfc_generic_intrinsic (const char *);
1719 int gfc_specific_intrinsic (const char *);
1720 int gfc_intrinsic_name (const char *, int);
1721 gfc_intrinsic_sym *gfc_find_function (const char *);
1723 match gfc_intrinsic_func_interface (gfc_expr *, int);
1724 match gfc_intrinsic_sub_interface (gfc_code *, int);
1727 void gfc_simplify_init_1 (void);
1729 /* match.c -- FIXME */
1730 void gfc_free_iterator (gfc_iterator *, int);
1731 void gfc_free_forall_iterator (gfc_forall_iterator *);
1732 void gfc_free_alloc_list (gfc_alloc *);
1733 void gfc_free_namelist (gfc_namelist *);
1734 void gfc_free_equiv (gfc_equiv *);
1735 void gfc_free_data (gfc_data *);
1736 void gfc_free_case_list (gfc_case *);
1739 void gfc_free_actual_arglist (gfc_actual_arglist *);
1740 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1741 const char *gfc_extract_int (gfc_expr *, int *);
1743 gfc_expr *gfc_build_conversion (gfc_expr *);
1744 void gfc_free_ref_list (gfc_ref *);
1745 void gfc_type_convert_binary (gfc_expr *);
1746 int gfc_is_constant_expr (gfc_expr *);
1747 try gfc_simplify_expr (gfc_expr *, int);
1749 gfc_expr *gfc_get_expr (void);
1750 void gfc_free_expr (gfc_expr *);
1751 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1752 gfc_expr *gfc_int_expr (int);
1753 gfc_expr *gfc_logical_expr (int, locus *);
1754 mpz_t *gfc_copy_shape (mpz_t *, int);
1755 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1756 gfc_expr *gfc_copy_expr (gfc_expr *);
1758 try gfc_specification_expr (gfc_expr *);
1760 int gfc_numeric_ts (gfc_typespec *);
1761 int gfc_kind_max (gfc_expr *, gfc_expr *);
1763 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1764 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1765 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1766 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1768 gfc_expr *gfc_default_initializer (gfc_typespec *);
1769 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1773 extern gfc_code new_st;
1775 void gfc_clear_new_st (void);
1776 gfc_code *gfc_get_code (void);
1777 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1778 void gfc_free_statement (gfc_code *);
1779 void gfc_free_statements (gfc_code *);
1782 try gfc_resolve_expr (gfc_expr *);
1783 void gfc_resolve (gfc_namespace *);
1784 int gfc_impure_variable (gfc_symbol *);
1785 int gfc_pure (gfc_symbol *);
1786 int gfc_elemental (gfc_symbol *);
1787 try gfc_resolve_iterator (gfc_iterator *, bool);
1788 try gfc_resolve_index (gfc_expr *, int);
1789 try gfc_resolve_dim_arg (gfc_expr *);
1792 void gfc_free_array_spec (gfc_array_spec *);
1793 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1795 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1796 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1797 try gfc_resolve_array_spec (gfc_array_spec *, int);
1799 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1801 gfc_expr *gfc_start_constructor (bt, int, locus *);
1802 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1803 void gfc_free_constructor (gfc_constructor *);
1804 void gfc_simplify_iterator_var (gfc_expr *);
1805 try gfc_expand_constructor (gfc_expr *);
1806 int gfc_constant_ac (gfc_expr *);
1807 int gfc_expanded_ac (gfc_expr *);
1808 try gfc_resolve_array_constructor (gfc_expr *);
1809 try gfc_check_constructor_type (gfc_expr *);
1810 try gfc_check_iter_variable (gfc_expr *);
1811 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1812 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1813 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1814 try gfc_array_size (gfc_expr *, mpz_t *);
1815 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1816 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1817 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1818 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1819 gfc_constructor *gfc_get_constructor (void);
1820 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1821 try spec_size (gfc_array_spec *, mpz_t *);
1822 int gfc_is_compile_time_shape (gfc_array_spec *);
1824 /* interface.c -- FIXME: some of these should be in symbol.c */
1825 void gfc_free_interface (gfc_interface *);
1826 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1827 void gfc_check_interfaces (gfc_namespace *);
1828 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1829 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1830 gfc_actual_arglist **);
1831 try gfc_extend_expr (gfc_expr *);
1832 void gfc_free_formal_arglist (gfc_formal_arglist *);
1833 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1834 try gfc_add_interface (gfc_symbol * sym);
1837 extern gfc_st_label format_asterisk;
1839 void gfc_free_open (gfc_open *);
1840 try gfc_resolve_open (gfc_open *);
1841 void gfc_free_close (gfc_close *);
1842 try gfc_resolve_close (gfc_close *);
1843 void gfc_free_filepos (gfc_filepos *);
1844 try gfc_resolve_filepos (gfc_filepos *);
1845 void gfc_free_inquire (gfc_inquire *);
1846 try gfc_resolve_inquire (gfc_inquire *);
1847 void gfc_free_dt (gfc_dt *);
1848 try gfc_resolve_dt (gfc_dt *);
1851 void gfc_module_init_2 (void);
1852 void gfc_module_done_2 (void);
1853 void gfc_dump_module (const char *, int);
1854 bool gfc_check_access (gfc_access, gfc_access);
1857 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1858 symbol_attribute gfc_expr_attr (gfc_expr *);
1861 void gfc_generate_code (gfc_namespace *);
1862 void gfc_generate_module_code (gfc_namespace *);
1865 typedef int (*compare_fn) (void *, void *);
1866 void gfc_insert_bbt (void *, void *, compare_fn);
1867 void gfc_delete_bbt (void *, void *, compare_fn);
1869 /* dump-parse-tree.c */
1870 void gfc_show_namespace (gfc_namespace *);
1873 try gfc_parse_file (void);
1875 #endif /* GCC_GFORTRAN_H */