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_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
196 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
197 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
198 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
199 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
200 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
201 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
203 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
204 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
205 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
210 /* Types of interfaces that we can have. Assignment interfaces are
211 considered to be intrinsic operators. */
214 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
215 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
219 /* Symbol flavors: these are all mutually exclusive.
220 10 elements = 4 bits. */
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,
377 GFC_ISYM_SET_EXPONENT,
406 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
408 /************************* Structures *****************************/
410 /* Symbol attribute structure. */
413 /* Variable attributes. */
414 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
415 optional:1, pointer:1, save:1, target:1,
416 dummy:1, result:1, assign:1;
418 unsigned data:1, /* Symbol is named in a DATA statement. */
419 use_assoc:1; /* Symbol has been use-associated. */
421 unsigned in_namelist:1, in_common:1;
422 unsigned function:1, subroutine:1, generic:1;
423 unsigned implicit_type:1; /* Type defined via implicit rules. */
424 unsigned untyped:1; /* No implicit type could be found. */
426 /* Function/subroutine attributes */
427 unsigned sequence:1, elemental:1, pure:1, recursive:1;
428 unsigned unmaskable:1, masked:1, contained:1;
430 /* Set if this procedure is an alternate entry point. These procedures
431 don't have any code associated, and the backend will turn them into
432 thunks to the master function. */
434 /* Set if this is the master function for a procedure with multiple
436 unsigned entry_master:1;
437 /* Set if this is the master function for a function with multiple
438 entry points where characteristics of the entry points differ. */
439 unsigned mixed_entry_master:1;
441 /* Set if a function must always be referenced by an explicit interface. */
442 unsigned always_explicit:1;
444 /* Set if the symbol has been referenced in an expression. No further
445 modification of type or type parameters is permitted. */
446 unsigned referenced:1;
448 /* Mutually exclusive multibit attributes. */
449 ENUM_BITFIELD (gfc_access) access:2;
450 ENUM_BITFIELD (sym_intent) intent:2;
451 ENUM_BITFIELD (sym_flavor) flavor:4;
452 ENUM_BITFIELD (ifsrc) if_source:2;
454 ENUM_BITFIELD (procedure_type) proc:3;
460 /* The following three structures are used to identify a location in
463 gfc_file is used to maintain a tree of the source files and how
464 they include each other
466 gfc_linebuf holds a single line of source code and information
467 which file it resides in
469 locus point to the sourceline and the character in the source
473 typedef struct gfc_file
475 struct gfc_file *included_by, *next, *up;
476 int inclusion_line, line;
480 typedef struct gfc_linebuf
482 #ifdef USE_MAPPED_LOCATION
483 source_location location;
487 struct gfc_file *file;
488 struct gfc_linebuf *next;
495 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
503 /* In order for the "gfc" format checking to work correctly, you must
504 have declared a typedef locus first. */
505 #if GCC_VERSION >= 4001
506 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
508 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
514 # include <sys/param.h>
515 # define PATH_MAX MAXPATHLEN
519 extern int gfc_suppress_error;
522 /* Character length structures hold the expression that gives the
523 length of a character variable. We avoid putting these into
524 gfc_typespec because doing so prevents us from doing structure
525 copies and forces us to deallocate any typespecs we create, as well
526 as structures that contain typespecs. They also can have multiple
527 character typespecs pointing to them.
529 These structures form a singly linked list within the current
530 namespace and are deallocated with the namespace. It is possible to
531 end up with gfc_charlen structures that have nothing pointing to them. */
533 typedef struct gfc_charlen
535 struct gfc_expr *length;
536 struct gfc_charlen *next;
541 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
543 /* Type specification structure. FIXME: derived and cl could be union??? */
548 struct gfc_symbol *derived;
549 gfc_charlen *cl; /* For character types only. */
553 /* Array specification. */
556 int rank; /* A rank of zero means that a variable is a scalar. */
558 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
562 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
565 /* Components of derived types. */
566 typedef struct gfc_component
571 int pointer, dimension;
576 struct gfc_expr *initializer;
577 struct gfc_component *next;
581 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
583 /* Formal argument lists are lists of symbols. */
584 typedef struct gfc_formal_arglist
586 /* Symbol representing the argument at this position in the arglist. */
587 struct gfc_symbol *sym;
588 /* Points to the next formal argument. */
589 struct gfc_formal_arglist *next;
593 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
596 /* The gfc_actual_arglist structure is for actual arguments. */
597 typedef struct gfc_actual_arglist
600 /* Alternate return label when the expr member is null. */
601 struct gfc_st_label *label;
603 /* This is set to the type of an eventual omitted optional
604 argument. This is used to determine if a hidden string length
605 argument has to be added to a function call. */
608 struct gfc_expr *expr;
609 struct gfc_actual_arglist *next;
613 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
616 /* Because a symbol can belong to multiple namelists, they must be
617 linked externally to the symbol itself. */
618 typedef struct gfc_namelist
620 struct gfc_symbol *sym;
621 struct gfc_namelist *next;
625 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
628 /* The gfc_st_label structure is a doubly linked list attached to a
629 namespace that records the usage of statement labels within that
631 /* TODO: Make format/statement specifics a union. */
632 typedef struct gfc_st_label
636 gfc_sl_type defined, referenced;
638 struct gfc_expr *format;
644 struct gfc_st_label *prev, *next;
649 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
650 typedef struct gfc_interface
652 struct gfc_symbol *sym;
654 struct gfc_interface *next;
658 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
661 /* User operator nodes. These are like stripped down symbols. */
666 gfc_interface *operator;
667 struct gfc_namespace *ns;
672 /* Symbol nodes. These are important things. They are what the
673 standard refers to as "entities". The possibly multiple names that
674 refer to the same entity are accomplished by a binary tree of
675 symtree structures that is balanced by the red-black method-- more
676 than one symtree node can point to any given symbol. */
678 typedef struct gfc_symbol
680 const char *name; /* Primary name, before renaming */
681 const char *module; /* Module this symbol came from */
685 symbol_attribute attr;
687 /* The interface member points to the formal argument list if the
688 symbol is a function or subroutine name. If the symbol is a
689 generic name, the generic member points to the list of
692 gfc_interface *generic;
693 gfc_access component_access;
695 gfc_formal_arglist *formal;
696 struct gfc_namespace *formal_ns;
698 struct gfc_expr *value; /* Parameter/Initializer value */
700 struct gfc_symbol *result; /* function result symbol */
701 gfc_component *components; /* Derived type components */
703 struct gfc_symbol *common_next; /* Links for COMMON syms */
704 /* Make sure setup code for dummy arguments is generated in the correct
708 gfc_namelist *namelist, *namelist_tail;
710 /* Change management fields. Symbols that might be modified by the
711 current statement have the mark member nonzero and are kept in a
712 singly linked list through the tlink field. Of these symbols,
713 symbols with old_symbol equal to NULL are symbols created within
714 the current statement. Otherwise, old_symbol points to a copy of
717 struct gfc_symbol *old_symbol, *tlink;
718 unsigned mark:1, new:1;
719 /* Nonzero if all equivalences associated with this symbol have been
721 unsigned equiv_built:1;
723 struct gfc_namespace *ns; /* namespace containing this symbol */
730 /* This structure is used to keep track of symbols in common blocks. */
735 int use_assoc, saved;
736 char name[GFC_MAX_SYMBOL_LEN + 1];
741 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
744 /* A list of all the alternate entry points for a procedure. */
746 typedef struct gfc_entry_list
748 /* The symbol for this entry point. */
750 /* The zero-based id of this entry point. */
752 /* The LABEL_EXPR marking this entry point. */
754 /* The nest item in the list. */
755 struct gfc_entry_list *next;
759 #define gfc_get_entry_list() \
760 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
762 /* Within a namespace, symbols are pointed to by symtree nodes that
763 are linked together in a balanced binary tree. There can be
764 several symtrees pointing to the same symbol node via USE
767 #define BBT_HEADER(self) int priority; struct self *left, *right
769 typedef struct gfc_symtree
771 BBT_HEADER (gfc_symtree);
776 gfc_symbol *sym; /* Symbol associated with this node */
778 gfc_common_head *common;
786 /* A namespace describes the contents of procedure, module or
788 /* ??? Anything else use these? */
790 typedef struct gfc_namespace
792 /* Tree containing all the symbols in this namespace. */
793 gfc_symtree *sym_root;
794 /* Tree containing all the user-defined operators in the namespace. */
795 gfc_symtree *uop_root;
796 /* Tree containing all the common blocks. */
797 gfc_symtree *common_root;
799 /* If set_flag[letter] is set, an implicit type has been set for letter. */
800 int set_flag[GFC_LETTERS];
801 /* Keeps track of the implicit types associated with the letters. */
802 gfc_typespec default_type[GFC_LETTERS];
804 /* If this is a namespace of a procedure, this points to the procedure. */
805 struct gfc_symbol *proc_name;
806 /* If this is the namespace of a unit which contains executable
807 code, this points to it. */
808 struct gfc_code *code;
810 /* Points to the equivalences set up in this namespace. */
811 struct gfc_equiv *equiv;
812 gfc_interface *operator[GFC_INTRINSIC_OPS];
814 /* Points to the parent namespace, i.e. the namespace of a module or
815 procedure in which the procedure belonging to this namespace is
816 contained. The parent namespace points to this namespace either
817 directly via CONTAINED, or indirectly via the chain built by
819 struct gfc_namespace *parent;
820 /* CONTAINED points to the first contained namespace. Sibling
821 namespaces are chained via SIBLING. */
822 struct gfc_namespace *contained, *sibling;
824 gfc_common_head blank_common;
825 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
827 gfc_st_label *st_labels;
828 /* This list holds information about all the data initializers in
830 struct gfc_data *data;
832 gfc_charlen *cl_list;
834 int save_all, seen_save, seen_implicit_none;
836 /* Normally we don't need to refcount namespaces. However when we read
837 a module containing a function with multiple entry points, this
838 will appear as several functions with the same formal namespace. */
841 /* A list of all alternate entry points to this procedure (or NULL). */
842 gfc_entry_list *entries;
844 /* Set to 1 if namespace is a BLOCK DATA program unit. */
849 extern gfc_namespace *gfc_current_ns;
851 /* Global symbols are symbols of global scope. Currently we only use
852 this to detect collisions already when parsing.
853 TODO: Extend to verify procedure calls. */
855 typedef struct gfc_gsymbol
857 BBT_HEADER(gfc_gsymbol);
860 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
861 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
868 extern gfc_gsymbol *gfc_gsym_root;
870 /* Information on interfaces being built. */
881 extern gfc_interface_info current_interface;
884 /* Array reference. */
885 typedef struct gfc_array_ref
888 int dimen; /* # of components in the reference */
892 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
893 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
894 *stride[GFC_MAX_DIMENSIONS];
897 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
898 dimen_type[GFC_MAX_DIMENSIONS];
900 struct gfc_expr *offset;
904 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
907 /* Component reference nodes. A variable is stored as an expression
908 node that points to the base symbol. After that, a singly linked
909 list of component reference nodes gives the variable's complete
910 resolution. The array_ref component may be present and comes
911 before the component component. */
914 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
917 typedef struct gfc_ref
923 struct gfc_array_ref ar;
927 gfc_component *component;
934 struct gfc_expr *start, *end; /* Substring */
942 struct gfc_ref *next;
946 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
949 /* Structures representing intrinsic symbols and their arguments lists. */
950 typedef struct gfc_intrinsic_arg
952 char name[GFC_MAX_SYMBOL_LEN + 1];
956 gfc_actual_arglist *actual;
958 struct gfc_intrinsic_arg *next;
964 /* Specifies the various kinds of check functions used to verify the
965 argument lists of intrinsic functions. fX with X an integer refer
966 to check functions of intrinsics with X arguments. f1m is used for
967 the MAX and MIN intrinsics which can have an arbitrary number of
968 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
969 these have special semantics. */
974 try (*f1)(struct gfc_expr *);
975 try (*f1m)(gfc_actual_arglist *);
976 try (*f2)(struct gfc_expr *, struct gfc_expr *);
977 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
978 try (*f3ml)(gfc_actual_arglist *);
979 try (*f3red)(gfc_actual_arglist *);
980 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
982 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
983 struct gfc_expr *, struct gfc_expr *);
987 /* Like gfc_check_f, these specify the type of the simplification
988 function associated with an intrinsic. The fX are just like in
989 gfc_check_f. cc is used for type conversion functions. */
993 struct gfc_expr *(*f0)(void);
994 struct gfc_expr *(*f1)(struct gfc_expr *);
995 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
996 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
998 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
999 struct gfc_expr *, struct gfc_expr *);
1000 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1001 struct gfc_expr *, struct gfc_expr *,
1003 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1007 /* Again like gfc_check_f, these specify the type of the resolution
1008 function associated with an intrinsic. The fX are just like in
1009 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1014 void (*f0)(struct gfc_expr *);
1015 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1016 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1017 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1018 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1020 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1021 struct gfc_expr *, struct gfc_expr *);
1022 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1023 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1024 void (*s1)(struct gfc_code *);
1029 typedef struct gfc_intrinsic_sym
1031 const char *name, *lib_name;
1032 gfc_intrinsic_arg *formal;
1034 int elemental, pure, generic, specific, actual_ok, standard;
1036 gfc_simplify_f simplify;
1038 gfc_resolve_f resolve;
1039 struct gfc_intrinsic_sym *specific_head, *next;
1040 gfc_generic_isym_id generic_id;
1046 /* Expression nodes. The expression node types deserve explanations,
1047 since the last couple can be easily misconstrued:
1049 EXPR_OP Operator node pointing to one or two other nodes
1050 EXPR_FUNCTION Function call, symbol points to function's name
1051 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1052 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1053 which expresses structure, array and substring refs.
1054 EXPR_NULL The NULL pointer value (which also has a basic type).
1055 EXPR_SUBSTRING A substring of a constant string
1056 EXPR_STRUCTURE A structure constructor
1057 EXPR_ARRAY An array constructor. */
1061 #define GFC_RND_MODE GMP_RNDN
1063 typedef struct gfc_expr
1067 gfc_typespec ts; /* These two refer to the overall expression */
1070 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1072 /* Nonnull for functions and structure constructors */
1073 gfc_symtree *symtree;
1079 /* True if it is converted from Hollerith constant. */
1080 unsigned int from_H : 1;
1097 gfc_intrinsic_op operator;
1099 struct gfc_expr *op1, *op2;
1105 gfc_actual_arglist *actual;
1106 const char *name; /* Points to the ultimate name of the function */
1107 gfc_intrinsic_sym *isym;
1119 struct gfc_constructor *constructor;
1127 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1129 /* Structures for information associated with different kinds of
1130 numbers. The first set of integer parameters define all there is
1131 to know about a particular kind. The rest of the elements are
1132 computed from the first elements. */
1136 /* Values really representable by the target. */
1137 mpz_t huge, pedantic_min_int, min_int, max_int;
1139 int kind, radix, digits, bit_size, range;
1141 /* True if the C type of the given name maps to this precision.
1142 Note that more than one bit can be set. */
1143 unsigned int c_char : 1;
1144 unsigned int c_short : 1;
1145 unsigned int c_int : 1;
1146 unsigned int c_long : 1;
1147 unsigned int c_long_long : 1;
1151 extern gfc_integer_info gfc_integer_kinds[];
1158 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1159 unsigned int c_bool : 1;
1163 extern gfc_logical_info gfc_logical_kinds[];
1168 mpfr_t epsilon, huge, tiny, subnormal;
1169 int kind, radix, digits, min_exponent, max_exponent;
1170 int range, precision;
1172 /* The precision of the type as reported by GET_MODE_PRECISION. */
1175 /* True if the C type of the given name maps to this precision.
1176 Note that more than one bit can be set. */
1177 unsigned int c_float : 1;
1178 unsigned int c_double : 1;
1179 unsigned int c_long_double : 1;
1183 extern gfc_real_info gfc_real_kinds[];
1186 /* Equivalence structures. Equivalent lvalues are linked along the
1187 *eq pointer, equivalence sets are strung along the *next node. */
1188 typedef struct gfc_equiv
1190 struct gfc_equiv *next, *eq;
1196 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1199 /* gfc_case stores the selector list of a case statement. The *low
1200 and *high pointers can point to the same expression in the case of
1201 a single value. If *high is NULL, the selection is from *low
1202 upwards, if *low is NULL the selection is *high downwards.
1204 This structure has separate fields to allow single and double linked
1205 lists of CASEs at the same time. The singe linked list along the NEXT
1206 field is a list of cases for a single CASE label. The double linked
1207 list along the LEFT/RIGHT fields is used to detect overlap and to
1208 build a table of the cases for SELECT constructs with a CHARACTER
1211 typedef struct gfc_case
1213 /* Where we saw this case. */
1217 /* Case range values. If (low == high), it's a single value. If one of
1218 the labels is NULL, it's an unbounded case. If both are NULL, this
1219 represents the default case. */
1220 gfc_expr *low, *high;
1222 /* Next case label in the list of cases for a single CASE label. */
1223 struct gfc_case *next;
1225 /* Used for detecting overlap, and for code generation. */
1226 struct gfc_case *left, *right;
1228 /* True if this case label can never be matched. */
1233 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1238 gfc_expr *var, *start, *end, *step;
1242 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1245 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1247 typedef struct gfc_alloc
1250 struct gfc_alloc *next;
1254 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1259 gfc_expr *unit, *file, *status, *access, *form, *recl,
1260 *blank, *position, *action, *delim, *pad, *iostat;
1268 gfc_expr *unit, *status, *iostat;
1276 gfc_expr *unit, *iostat;
1284 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1285 *name, *access, *sequential, *direct, *form, *formatted,
1286 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1287 *write, *readwrite, *delim, *pad, *iolength;
1297 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1299 gfc_symbol *namelist;
1300 /* A format_label of `format_asterisk' indicates the "*" format */
1301 gfc_st_label *format_label;
1302 gfc_st_label *err, *end, *eor;
1304 locus eor_where, end_where;
1309 typedef struct gfc_forall_iterator
1311 gfc_expr *var, *start, *end, *stride;
1312 struct gfc_forall_iterator *next;
1314 gfc_forall_iterator;
1317 /* Executable statements that fill gfc_code structures. */
1320 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1321 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1322 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1323 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1324 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1325 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1326 EXEC_OPEN, EXEC_CLOSE,
1327 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1328 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1332 typedef struct gfc_code
1336 struct gfc_code *block, *next;
1339 gfc_st_label *here, *label, *label2, *label3;
1340 gfc_symtree *symtree;
1341 gfc_expr *expr, *expr2;
1342 /* A name isn't sufficient to identify a subroutine, we need the actual
1343 symbol for the interface definition.
1344 const char *sub_name; */
1345 gfc_symbol *resolved_sym;
1349 gfc_actual_arglist *actual;
1350 gfc_case *case_list;
1351 gfc_iterator *iterator;
1352 gfc_alloc *alloc_list;
1355 gfc_filepos *filepos;
1356 gfc_inquire *inquire;
1358 gfc_forall_iterator *forall_iterator;
1359 struct gfc_code *whichloop;
1361 gfc_entry_list *entry;
1363 ext; /* Points to additional structures required by statement */
1365 /* Backend_decl is used for cycle and break labels in do loops, and
1366 * probably for other constructs as well, once we translate them. */
1372 /* Storage for DATA statements. */
1373 typedef struct gfc_data_variable
1377 struct gfc_data_variable *list, *next;
1382 typedef struct gfc_data_value
1384 unsigned int repeat;
1386 struct gfc_data_value *next;
1391 typedef struct gfc_data
1393 gfc_data_variable *var;
1394 gfc_data_value *value;
1397 struct gfc_data *next;
1401 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1402 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1403 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1406 /* Structure for holding compile options */
1411 gfc_source_form source_form;
1412 int fixed_line_length;
1413 int max_identifier_length;
1417 int warn_conversion;
1418 int warn_implicit_interface;
1419 int warn_line_truncation;
1421 int warn_surprising;
1422 int warn_unused_labels;
1424 int flag_default_double;
1425 int flag_default_integer;
1426 int flag_default_real;
1428 int flag_underscoring;
1429 int flag_second_underscore;
1430 int flag_implicit_none;
1431 int flag_max_stack_var_size;
1432 int flag_module_access_private;
1433 int flag_no_backend;
1434 int flag_pack_derived;
1435 int flag_repack_arrays;
1443 int warn_nonstd_intrinsics;
1447 extern gfc_option_t gfc_option;
1450 /* Constructor nodes for array and structure constructors. */
1451 typedef struct gfc_constructor
1454 gfc_iterator *iterator;
1456 struct gfc_constructor *next;
1459 mpz_t offset; /* Record the offset of array element which appears in
1460 data statement like "data a(5)/4/". */
1461 gfc_component *component; /* Record the component being initialized. */
1464 mpz_t repeat; /* Record the repeat number of initial values in data
1465 statement like "data a/5*10/". */
1470 typedef struct iterator_stack
1472 gfc_symtree *variable;
1474 struct iterator_stack *prev;
1477 extern iterator_stack *iter_stack;
1479 /************************ Function prototypes *************************/
1482 void gfc_formalize_init_value (gfc_symbol *);
1483 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1484 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1485 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1486 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1489 void gfc_scanner_done_1 (void);
1490 void gfc_scanner_init_1 (void);
1492 void gfc_add_include_path (const char *);
1493 void gfc_release_include_path (void);
1494 FILE *gfc_open_included_file (const char *);
1496 int gfc_at_end (void);
1497 int gfc_at_eof (void);
1498 int gfc_at_bol (void);
1499 int gfc_at_eol (void);
1500 void gfc_advance_line (void);
1501 int gfc_check_include (void);
1503 void gfc_skip_comments (void);
1504 int gfc_next_char_literal (int);
1505 int gfc_next_char (void);
1506 int gfc_peek_char (void);
1507 void gfc_error_recovery (void);
1508 void gfc_gobble_whitespace (void);
1509 try gfc_new_file (const char *, gfc_source_form);
1511 extern gfc_source_form gfc_current_form;
1512 extern char *gfc_source_file;
1513 extern locus gfc_current_locus;
1516 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1517 void gfc_free (void *);
1518 int gfc_terminal_width(void);
1519 void gfc_clear_ts (gfc_typespec *);
1520 FILE *gfc_open_file (const char *);
1521 const char *gfc_article (const char *);
1522 const char *gfc_basic_typename (bt);
1523 const char *gfc_typename (gfc_typespec *);
1525 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1526 "=" : gfc_code2string (intrinsic_operators, OP))
1528 const char *gfc_code2string (const mstring *, int);
1529 int gfc_string2code (const mstring *, const char *);
1530 const char *gfc_intent_string (sym_intent);
1532 void gfc_init_1 (void);
1533 void gfc_init_2 (void);
1534 void gfc_done_1 (void);
1535 void gfc_done_2 (void);
1538 unsigned int gfc_init_options (unsigned int, const char **);
1539 int gfc_handle_option (size_t, const char *, int);
1540 bool gfc_post_options (const char **);
1543 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1547 typedef struct gfc_error_buf
1550 size_t allocated, index;
1554 void gfc_error_init_1 (void);
1555 void gfc_buffer_error (int);
1557 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1558 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1559 void gfc_clear_warning (void);
1560 void gfc_warning_check (void);
1562 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1563 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1564 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1565 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1566 void gfc_clear_error (void);
1567 int gfc_error_check (void);
1569 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1571 /* A general purpose syntax error. */
1572 #define gfc_syntax_error(ST) \
1573 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1575 void gfc_push_error (gfc_error_buf *);
1576 void gfc_pop_error (gfc_error_buf *);
1577 void gfc_free_error (gfc_error_buf *);
1579 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1580 void gfc_status_char (char);
1582 void gfc_get_errors (int *, int *);
1585 void gfc_arith_init_1 (void);
1586 void gfc_arith_done_1 (void);
1589 int gfc_validate_kind (bt, int, bool);
1590 extern int gfc_index_integer_kind;
1591 extern int gfc_default_integer_kind;
1592 extern int gfc_max_integer_kind;
1593 extern int gfc_default_real_kind;
1594 extern int gfc_default_double_kind;
1595 extern int gfc_default_character_kind;
1596 extern int gfc_default_logical_kind;
1597 extern int gfc_default_complex_kind;
1598 extern int gfc_c_int_kind;
1601 void gfc_clear_new_implicit (void);
1602 try gfc_add_new_implicit_range (int, int);
1603 try gfc_merge_new_implicit (gfc_typespec *);
1604 void gfc_set_implicit_none (void);
1606 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1607 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1609 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1610 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1612 void gfc_set_sym_referenced (gfc_symbol * sym);
1614 try gfc_add_allocatable (symbol_attribute *, locus *);
1615 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1616 try gfc_add_external (symbol_attribute *, locus *);
1617 try gfc_add_intrinsic (symbol_attribute *, locus *);
1618 try gfc_add_optional (symbol_attribute *, locus *);
1619 try gfc_add_pointer (symbol_attribute *, locus *);
1620 try gfc_add_result (symbol_attribute *, const char *, locus *);
1621 try gfc_add_save (symbol_attribute *, const char *, locus *);
1622 try gfc_add_saved_common (symbol_attribute *, locus *);
1623 try gfc_add_target (symbol_attribute *, locus *);
1624 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1625 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1626 try gfc_add_common (symbol_attribute *, locus *);
1627 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1628 try gfc_add_data (symbol_attribute *, const char *, locus *);
1629 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1630 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1631 try gfc_add_elemental (symbol_attribute *, locus *);
1632 try gfc_add_pure (symbol_attribute *, locus *);
1633 try gfc_add_recursive (symbol_attribute *, locus *);
1634 try gfc_add_function (symbol_attribute *, const char *, locus *);
1635 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1637 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1638 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1639 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1640 try gfc_add_procedure (symbol_attribute *, procedure_type,
1641 const char *, locus *);
1642 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1643 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1644 gfc_formal_arglist *, locus *);
1645 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1647 void gfc_clear_attr (symbol_attribute *);
1648 try gfc_missing_attr (symbol_attribute *, locus *);
1649 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1651 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1652 gfc_symbol *gfc_use_derived (gfc_symbol *);
1653 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1654 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1656 gfc_st_label *gfc_get_st_label (int);
1657 void gfc_free_st_label (gfc_st_label *);
1658 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1659 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1661 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1662 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1663 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1664 gfc_user_op *gfc_get_uop (const char *);
1665 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1666 void gfc_free_symbol (gfc_symbol *);
1667 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1668 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1669 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1670 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1671 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1672 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1673 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1675 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1677 void gfc_undo_symbols (void);
1678 void gfc_commit_symbols (void);
1679 void gfc_free_namespace (gfc_namespace *);
1681 void gfc_symbol_init_2 (void);
1682 void gfc_symbol_done_2 (void);
1684 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1685 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1686 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1687 void gfc_save_all (gfc_namespace *);
1689 void gfc_symbol_state (void);
1691 gfc_gsymbol *gfc_get_gsymbol (const char *);
1692 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1695 extern int gfc_init_expr;
1697 /* Given a symbol that we have decided is intrinsic, mark it as such
1698 by placing it into a special module that is otherwise impossible to
1701 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1703 void gfc_intrinsic_init_1 (void);
1704 void gfc_intrinsic_done_1 (void);
1706 char gfc_type_letter (bt);
1707 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1708 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1709 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1710 int gfc_generic_intrinsic (const char *);
1711 int gfc_specific_intrinsic (const char *);
1712 int gfc_intrinsic_name (const char *, int);
1713 gfc_intrinsic_sym *gfc_find_function (const char *);
1715 match gfc_intrinsic_func_interface (gfc_expr *, int);
1716 match gfc_intrinsic_sub_interface (gfc_code *, int);
1719 void gfc_simplify_init_1 (void);
1721 /* match.c -- FIXME */
1722 void gfc_free_iterator (gfc_iterator *, int);
1723 void gfc_free_forall_iterator (gfc_forall_iterator *);
1724 void gfc_free_alloc_list (gfc_alloc *);
1725 void gfc_free_namelist (gfc_namelist *);
1726 void gfc_free_equiv (gfc_equiv *);
1727 void gfc_free_data (gfc_data *);
1728 void gfc_free_case_list (gfc_case *);
1731 void gfc_free_actual_arglist (gfc_actual_arglist *);
1732 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1733 const char *gfc_extract_int (gfc_expr *, int *);
1735 gfc_expr *gfc_build_conversion (gfc_expr *);
1736 void gfc_free_ref_list (gfc_ref *);
1737 void gfc_type_convert_binary (gfc_expr *);
1738 int gfc_is_constant_expr (gfc_expr *);
1739 try gfc_simplify_expr (gfc_expr *, int);
1741 gfc_expr *gfc_get_expr (void);
1742 void gfc_free_expr (gfc_expr *);
1743 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1744 gfc_expr *gfc_int_expr (int);
1745 gfc_expr *gfc_logical_expr (int, locus *);
1746 mpz_t *gfc_copy_shape (mpz_t *, int);
1747 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1748 gfc_expr *gfc_copy_expr (gfc_expr *);
1750 try gfc_specification_expr (gfc_expr *);
1752 int gfc_numeric_ts (gfc_typespec *);
1753 int gfc_kind_max (gfc_expr *, gfc_expr *);
1755 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1756 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1757 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1758 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1760 gfc_expr *gfc_default_initializer (gfc_typespec *);
1761 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1765 extern gfc_code new_st;
1767 void gfc_clear_new_st (void);
1768 gfc_code *gfc_get_code (void);
1769 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1770 void gfc_free_statement (gfc_code *);
1771 void gfc_free_statements (gfc_code *);
1774 try gfc_resolve_expr (gfc_expr *);
1775 void gfc_resolve (gfc_namespace *);
1776 int gfc_impure_variable (gfc_symbol *);
1777 int gfc_pure (gfc_symbol *);
1778 int gfc_elemental (gfc_symbol *);
1779 try gfc_resolve_iterator (gfc_iterator *, bool);
1780 try gfc_resolve_index (gfc_expr *, int);
1783 void gfc_free_array_spec (gfc_array_spec *);
1784 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1786 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1787 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1788 try gfc_resolve_array_spec (gfc_array_spec *, int);
1790 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1792 gfc_expr *gfc_start_constructor (bt, int, locus *);
1793 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1794 void gfc_free_constructor (gfc_constructor *);
1795 void gfc_simplify_iterator_var (gfc_expr *);
1796 try gfc_expand_constructor (gfc_expr *);
1797 int gfc_constant_ac (gfc_expr *);
1798 int gfc_expanded_ac (gfc_expr *);
1799 try gfc_resolve_array_constructor (gfc_expr *);
1800 try gfc_check_constructor_type (gfc_expr *);
1801 try gfc_check_iter_variable (gfc_expr *);
1802 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1803 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1804 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1805 try gfc_array_size (gfc_expr *, mpz_t *);
1806 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1807 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1808 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1809 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1810 gfc_constructor *gfc_get_constructor (void);
1811 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1812 try spec_size (gfc_array_spec *, mpz_t *);
1813 int gfc_is_compile_time_shape (gfc_array_spec *);
1815 /* interface.c -- FIXME: some of these should be in symbol.c */
1816 void gfc_free_interface (gfc_interface *);
1817 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1818 void gfc_check_interfaces (gfc_namespace *);
1819 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1820 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1821 gfc_actual_arglist **);
1822 try gfc_extend_expr (gfc_expr *);
1823 void gfc_free_formal_arglist (gfc_formal_arglist *);
1824 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1825 try gfc_add_interface (gfc_symbol * sym);
1828 extern gfc_st_label format_asterisk;
1830 void gfc_free_open (gfc_open *);
1831 try gfc_resolve_open (gfc_open *);
1832 void gfc_free_close (gfc_close *);
1833 try gfc_resolve_close (gfc_close *);
1834 void gfc_free_filepos (gfc_filepos *);
1835 try gfc_resolve_filepos (gfc_filepos *);
1836 void gfc_free_inquire (gfc_inquire *);
1837 try gfc_resolve_inquire (gfc_inquire *);
1838 void gfc_free_dt (gfc_dt *);
1839 try gfc_resolve_dt (gfc_dt *);
1842 void gfc_module_init_2 (void);
1843 void gfc_module_done_2 (void);
1844 void gfc_dump_module (const char *, int);
1845 bool gfc_check_access (gfc_access, gfc_access);
1848 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1849 symbol_attribute gfc_expr_attr (gfc_expr *);
1852 void gfc_generate_code (gfc_namespace *);
1853 void gfc_generate_module_code (gfc_namespace *);
1856 typedef int (*compare_fn) (void *, void *);
1857 void gfc_insert_bbt (void *, void *, compare_fn);
1858 void gfc_delete_bbt (void *, void *, compare_fn);
1860 /* dump-parse-tree.c */
1861 void gfc_show_namespace (gfc_namespace *);
1864 try gfc_parse_file (void);
1866 #endif /* GCC_GFORTRAN_H */