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. */
435 /* Set if this is the master function for a procedure with multiple
437 unsigned entry_master:1;
438 /* Set if this is the master function for a function with multiple
439 entry points where characteristics of the entry points differ. */
440 unsigned mixed_entry_master:1;
442 /* Set if a function must always be referenced by an explicit interface. */
443 unsigned always_explicit:1;
445 /* Set if the symbol has been referenced in an expression. No further
446 modification of type or type parameters is permitted. */
447 unsigned referenced:1;
449 /* Mutually exclusive multibit attributes. */
450 ENUM_BITFIELD (gfc_access) access:2;
451 ENUM_BITFIELD (sym_intent) intent:2;
452 ENUM_BITFIELD (sym_flavor) flavor:4;
453 ENUM_BITFIELD (ifsrc) if_source:2;
455 ENUM_BITFIELD (procedure_type) proc:3;
461 /* The following three structures are used to identify a location in
464 gfc_file is used to maintain a tree of the source files and how
465 they include each other
467 gfc_linebuf holds a single line of source code and information
468 which file it resides in
470 locus point to the sourceline and the character in the source
474 typedef struct gfc_file
476 struct gfc_file *included_by, *next, *up;
477 int inclusion_line, line;
481 typedef struct gfc_linebuf
483 #ifdef USE_MAPPED_LOCATION
484 source_location location;
488 struct gfc_file *file;
489 struct gfc_linebuf *next;
496 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
504 /* In order for the "gfc" format checking to work correctly, you must
505 have declared a typedef locus first. */
506 #if GCC_VERSION >= 4001
507 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
509 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
515 # include <sys/param.h>
516 # define PATH_MAX MAXPATHLEN
520 extern int gfc_suppress_error;
523 /* Character length structures hold the expression that gives the
524 length of a character variable. We avoid putting these into
525 gfc_typespec because doing so prevents us from doing structure
526 copies and forces us to deallocate any typespecs we create, as well
527 as structures that contain typespecs. They also can have multiple
528 character typespecs pointing to them.
530 These structures form a singly linked list within the current
531 namespace and are deallocated with the namespace. It is possible to
532 end up with gfc_charlen structures that have nothing pointing to them. */
534 typedef struct gfc_charlen
536 struct gfc_expr *length;
537 struct gfc_charlen *next;
542 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
544 /* Type specification structure. FIXME: derived and cl could be union??? */
549 struct gfc_symbol *derived;
550 gfc_charlen *cl; /* For character types only. */
554 /* Array specification. */
557 int rank; /* A rank of zero means that a variable is a scalar. */
559 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
563 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
566 /* Components of derived types. */
567 typedef struct gfc_component
572 int pointer, dimension;
577 struct gfc_expr *initializer;
578 struct gfc_component *next;
582 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
584 /* Formal argument lists are lists of symbols. */
585 typedef struct gfc_formal_arglist
587 /* Symbol representing the argument at this position in the arglist. */
588 struct gfc_symbol *sym;
589 /* Points to the next formal argument. */
590 struct gfc_formal_arglist *next;
594 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
597 /* The gfc_actual_arglist structure is for actual arguments. */
598 typedef struct gfc_actual_arglist
601 /* Alternate return label when the expr member is null. */
602 struct gfc_st_label *label;
604 /* This is set to the type of an eventual omitted optional
605 argument. This is used to determine if a hidden string length
606 argument has to be added to a function call. */
609 struct gfc_expr *expr;
610 struct gfc_actual_arglist *next;
614 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
617 /* Because a symbol can belong to multiple namelists, they must be
618 linked externally to the symbol itself. */
619 typedef struct gfc_namelist
621 struct gfc_symbol *sym;
622 struct gfc_namelist *next;
626 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
629 /* The gfc_st_label structure is a doubly linked list attached to a
630 namespace that records the usage of statement labels within that
632 /* TODO: Make format/statement specifics a union. */
633 typedef struct gfc_st_label
637 gfc_sl_type defined, referenced;
639 struct gfc_expr *format;
645 struct gfc_st_label *prev, *next;
650 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
651 typedef struct gfc_interface
653 struct gfc_symbol *sym;
655 struct gfc_interface *next;
659 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
662 /* User operator nodes. These are like stripped down symbols. */
667 gfc_interface *operator;
668 struct gfc_namespace *ns;
673 /* Symbol nodes. These are important things. They are what the
674 standard refers to as "entities". The possibly multiple names that
675 refer to the same entity are accomplished by a binary tree of
676 symtree structures that is balanced by the red-black method-- more
677 than one symtree node can point to any given symbol. */
679 typedef struct gfc_symbol
681 const char *name; /* Primary name, before renaming */
682 const char *module; /* Module this symbol came from */
686 symbol_attribute attr;
688 /* The interface member points to the formal argument list if the
689 symbol is a function or subroutine name. If the symbol is a
690 generic name, the generic member points to the list of
693 gfc_interface *generic;
694 gfc_access component_access;
696 gfc_formal_arglist *formal;
697 struct gfc_namespace *formal_ns;
699 struct gfc_expr *value; /* Parameter/Initializer value */
701 struct gfc_symbol *result; /* function result symbol */
702 gfc_component *components; /* Derived type components */
704 struct gfc_symbol *common_next; /* Links for COMMON syms */
705 /* Make sure setup code for dummy arguments is generated in the correct
709 gfc_namelist *namelist, *namelist_tail;
711 /* Change management fields. Symbols that might be modified by the
712 current statement have the mark member nonzero and are kept in a
713 singly linked list through the tlink field. Of these symbols,
714 symbols with old_symbol equal to NULL are symbols created within
715 the current statement. Otherwise, old_symbol points to a copy of
718 struct gfc_symbol *old_symbol, *tlink;
719 unsigned mark:1, new:1;
720 /* Nonzero if all equivalences associated with this symbol have been
722 unsigned equiv_built:1;
724 struct gfc_namespace *ns; /* namespace containing this symbol */
731 /* This structure is used to keep track of symbols in common blocks. */
736 int use_assoc, saved;
737 char name[GFC_MAX_SYMBOL_LEN + 1];
742 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
745 /* A list of all the alternate entry points for a procedure. */
747 typedef struct gfc_entry_list
749 /* The symbol for this entry point. */
751 /* The zero-based id of this entry point. */
753 /* The LABEL_EXPR marking this entry point. */
755 /* The nest item in the list. */
756 struct gfc_entry_list *next;
760 #define gfc_get_entry_list() \
761 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
763 /* Within a namespace, symbols are pointed to by symtree nodes that
764 are linked together in a balanced binary tree. There can be
765 several symtrees pointing to the same symbol node via USE
768 #define BBT_HEADER(self) int priority; struct self *left, *right
770 typedef struct gfc_symtree
772 BBT_HEADER (gfc_symtree);
777 gfc_symbol *sym; /* Symbol associated with this node */
779 gfc_common_head *common;
787 /* A namespace describes the contents of procedure, module or
789 /* ??? Anything else use these? */
791 typedef struct gfc_namespace
793 /* Tree containing all the symbols in this namespace. */
794 gfc_symtree *sym_root;
795 /* Tree containing all the user-defined operators in the namespace. */
796 gfc_symtree *uop_root;
797 /* Tree containing all the common blocks. */
798 gfc_symtree *common_root;
800 /* If set_flag[letter] is set, an implicit type has been set for letter. */
801 int set_flag[GFC_LETTERS];
802 /* Keeps track of the implicit types associated with the letters. */
803 gfc_typespec default_type[GFC_LETTERS];
805 /* If this is a namespace of a procedure, this points to the procedure. */
806 struct gfc_symbol *proc_name;
807 /* If this is the namespace of a unit which contains executable
808 code, this points to it. */
809 struct gfc_code *code;
811 /* Points to the equivalences set up in this namespace. */
812 struct gfc_equiv *equiv;
813 gfc_interface *operator[GFC_INTRINSIC_OPS];
815 /* Points to the parent namespace, i.e. the namespace of a module or
816 procedure in which the procedure belonging to this namespace is
817 contained. The parent namespace points to this namespace either
818 directly via CONTAINED, or indirectly via the chain built by
820 struct gfc_namespace *parent;
821 /* CONTAINED points to the first contained namespace. Sibling
822 namespaces are chained via SIBLING. */
823 struct gfc_namespace *contained, *sibling;
825 gfc_common_head blank_common;
826 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
828 gfc_st_label *st_labels;
829 /* This list holds information about all the data initializers in
831 struct gfc_data *data;
833 gfc_charlen *cl_list;
835 int save_all, seen_save, seen_implicit_none;
837 /* Normally we don't need to refcount namespaces. However when we read
838 a module containing a function with multiple entry points, this
839 will appear as several functions with the same formal namespace. */
842 /* A list of all alternate entry points to this procedure (or NULL). */
843 gfc_entry_list *entries;
845 /* Set to 1 if namespace is a BLOCK DATA program unit. */
850 extern gfc_namespace *gfc_current_ns;
852 /* Global symbols are symbols of global scope. Currently we only use
853 this to detect collisions already when parsing.
854 TODO: Extend to verify procedure calls. */
856 typedef struct gfc_gsymbol
858 BBT_HEADER(gfc_gsymbol);
861 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
862 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
869 extern gfc_gsymbol *gfc_gsym_root;
871 /* Information on interfaces being built. */
882 extern gfc_interface_info current_interface;
885 /* Array reference. */
886 typedef struct gfc_array_ref
889 int dimen; /* # of components in the reference */
893 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
894 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
895 *stride[GFC_MAX_DIMENSIONS];
898 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
899 dimen_type[GFC_MAX_DIMENSIONS];
901 struct gfc_expr *offset;
905 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
908 /* Component reference nodes. A variable is stored as an expression
909 node that points to the base symbol. After that, a singly linked
910 list of component reference nodes gives the variable's complete
911 resolution. The array_ref component may be present and comes
912 before the component component. */
915 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
918 typedef struct gfc_ref
924 struct gfc_array_ref ar;
928 gfc_component *component;
935 struct gfc_expr *start, *end; /* Substring */
943 struct gfc_ref *next;
947 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
950 /* Structures representing intrinsic symbols and their arguments lists. */
951 typedef struct gfc_intrinsic_arg
953 char name[GFC_MAX_SYMBOL_LEN + 1];
957 gfc_actual_arglist *actual;
959 struct gfc_intrinsic_arg *next;
965 /* Specifies the various kinds of check functions used to verify the
966 argument lists of intrinsic functions. fX with X an integer refer
967 to check functions of intrinsics with X arguments. f1m is used for
968 the MAX and MIN intrinsics which can have an arbitrary number of
969 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
970 these have special semantics. */
975 try (*f1)(struct gfc_expr *);
976 try (*f1m)(gfc_actual_arglist *);
977 try (*f2)(struct gfc_expr *, struct gfc_expr *);
978 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
979 try (*f3ml)(gfc_actual_arglist *);
980 try (*f3red)(gfc_actual_arglist *);
981 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
983 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
984 struct gfc_expr *, struct gfc_expr *);
988 /* Like gfc_check_f, these specify the type of the simplification
989 function associated with an intrinsic. The fX are just like in
990 gfc_check_f. cc is used for type conversion functions. */
994 struct gfc_expr *(*f0)(void);
995 struct gfc_expr *(*f1)(struct gfc_expr *);
996 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
997 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
999 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1000 struct gfc_expr *, struct gfc_expr *);
1001 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1002 struct gfc_expr *, struct gfc_expr *,
1004 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1008 /* Again like gfc_check_f, these specify the type of the resolution
1009 function associated with an intrinsic. The fX are just like in
1010 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1015 void (*f0)(struct gfc_expr *);
1016 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1017 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1018 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1019 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1021 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1022 struct gfc_expr *, struct gfc_expr *);
1023 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1024 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1025 void (*s1)(struct gfc_code *);
1030 typedef struct gfc_intrinsic_sym
1032 const char *name, *lib_name;
1033 gfc_intrinsic_arg *formal;
1035 int elemental, pure, generic, specific, actual_ok, standard;
1037 gfc_simplify_f simplify;
1039 gfc_resolve_f resolve;
1040 struct gfc_intrinsic_sym *specific_head, *next;
1041 gfc_generic_isym_id generic_id;
1047 /* Expression nodes. The expression node types deserve explanations,
1048 since the last couple can be easily misconstrued:
1050 EXPR_OP Operator node pointing to one or two other nodes
1051 EXPR_FUNCTION Function call, symbol points to function's name
1052 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1053 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1054 which expresses structure, array and substring refs.
1055 EXPR_NULL The NULL pointer value (which also has a basic type).
1056 EXPR_SUBSTRING A substring of a constant string
1057 EXPR_STRUCTURE A structure constructor
1058 EXPR_ARRAY An array constructor. */
1062 #define GFC_RND_MODE GMP_RNDN
1064 typedef struct gfc_expr
1068 gfc_typespec ts; /* These two refer to the overall expression */
1071 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1073 /* Nonnull for functions and structure constructors */
1074 gfc_symtree *symtree;
1080 /* True if it is converted from Hollerith constant. */
1081 unsigned int from_H : 1;
1098 gfc_intrinsic_op operator;
1100 struct gfc_expr *op1, *op2;
1106 gfc_actual_arglist *actual;
1107 const char *name; /* Points to the ultimate name of the function */
1108 gfc_intrinsic_sym *isym;
1120 struct gfc_constructor *constructor;
1128 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1130 /* Structures for information associated with different kinds of
1131 numbers. The first set of integer parameters define all there is
1132 to know about a particular kind. The rest of the elements are
1133 computed from the first elements. */
1137 /* Values really representable by the target. */
1138 mpz_t huge, pedantic_min_int, min_int, max_int;
1140 int kind, radix, digits, bit_size, range;
1142 /* True if the C type of the given name maps to this precision.
1143 Note that more than one bit can be set. */
1144 unsigned int c_char : 1;
1145 unsigned int c_short : 1;
1146 unsigned int c_int : 1;
1147 unsigned int c_long : 1;
1148 unsigned int c_long_long : 1;
1152 extern gfc_integer_info gfc_integer_kinds[];
1159 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1160 unsigned int c_bool : 1;
1164 extern gfc_logical_info gfc_logical_kinds[];
1169 mpfr_t epsilon, huge, tiny, subnormal;
1170 int kind, radix, digits, min_exponent, max_exponent;
1171 int range, precision;
1173 /* The precision of the type as reported by GET_MODE_PRECISION. */
1176 /* True if the C type of the given name maps to this precision.
1177 Note that more than one bit can be set. */
1178 unsigned int c_float : 1;
1179 unsigned int c_double : 1;
1180 unsigned int c_long_double : 1;
1184 extern gfc_real_info gfc_real_kinds[];
1187 /* Equivalence structures. Equivalent lvalues are linked along the
1188 *eq pointer, equivalence sets are strung along the *next node. */
1189 typedef struct gfc_equiv
1191 struct gfc_equiv *next, *eq;
1197 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1200 /* gfc_case stores the selector list of a case statement. The *low
1201 and *high pointers can point to the same expression in the case of
1202 a single value. If *high is NULL, the selection is from *low
1203 upwards, if *low is NULL the selection is *high downwards.
1205 This structure has separate fields to allow single and double linked
1206 lists of CASEs at the same time. The singe linked list along the NEXT
1207 field is a list of cases for a single CASE label. The double linked
1208 list along the LEFT/RIGHT fields is used to detect overlap and to
1209 build a table of the cases for SELECT constructs with a CHARACTER
1212 typedef struct gfc_case
1214 /* Where we saw this case. */
1218 /* Case range values. If (low == high), it's a single value. If one of
1219 the labels is NULL, it's an unbounded case. If both are NULL, this
1220 represents the default case. */
1221 gfc_expr *low, *high;
1223 /* Next case label in the list of cases for a single CASE label. */
1224 struct gfc_case *next;
1226 /* Used for detecting overlap, and for code generation. */
1227 struct gfc_case *left, *right;
1229 /* True if this case label can never be matched. */
1234 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1239 gfc_expr *var, *start, *end, *step;
1243 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1246 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1248 typedef struct gfc_alloc
1251 struct gfc_alloc *next;
1255 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1260 gfc_expr *unit, *file, *status, *access, *form, *recl,
1261 *blank, *position, *action, *delim, *pad, *iostat;
1269 gfc_expr *unit, *status, *iostat;
1277 gfc_expr *unit, *iostat;
1285 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1286 *name, *access, *sequential, *direct, *form, *formatted,
1287 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1288 *write, *readwrite, *delim, *pad, *iolength;
1298 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1300 gfc_symbol *namelist;
1301 /* A format_label of `format_asterisk' indicates the "*" format */
1302 gfc_st_label *format_label;
1303 gfc_st_label *err, *end, *eor;
1305 locus eor_where, end_where;
1310 typedef struct gfc_forall_iterator
1312 gfc_expr *var, *start, *end, *stride;
1313 struct gfc_forall_iterator *next;
1315 gfc_forall_iterator;
1318 /* Executable statements that fill gfc_code structures. */
1321 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1322 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1323 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1324 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1325 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1326 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1327 EXEC_OPEN, EXEC_CLOSE,
1328 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1329 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH
1333 typedef struct gfc_code
1337 struct gfc_code *block, *next;
1340 gfc_st_label *here, *label, *label2, *label3;
1341 gfc_symtree *symtree;
1342 gfc_expr *expr, *expr2;
1343 /* A name isn't sufficient to identify a subroutine, we need the actual
1344 symbol for the interface definition.
1345 const char *sub_name; */
1346 gfc_symbol *resolved_sym;
1350 gfc_actual_arglist *actual;
1351 gfc_case *case_list;
1352 gfc_iterator *iterator;
1353 gfc_alloc *alloc_list;
1356 gfc_filepos *filepos;
1357 gfc_inquire *inquire;
1359 gfc_forall_iterator *forall_iterator;
1360 struct gfc_code *whichloop;
1362 gfc_entry_list *entry;
1364 ext; /* Points to additional structures required by statement */
1366 /* Backend_decl is used for cycle and break labels in do loops, and
1367 * probably for other constructs as well, once we translate them. */
1373 /* Storage for DATA statements. */
1374 typedef struct gfc_data_variable
1378 struct gfc_data_variable *list, *next;
1383 typedef struct gfc_data_value
1385 unsigned int repeat;
1387 struct gfc_data_value *next;
1392 typedef struct gfc_data
1394 gfc_data_variable *var;
1395 gfc_data_value *value;
1398 struct gfc_data *next;
1402 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1403 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1404 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1407 /* Structure for holding compile options */
1412 gfc_source_form source_form;
1413 int fixed_line_length;
1414 int max_identifier_length;
1418 int warn_conversion;
1419 int warn_implicit_interface;
1420 int warn_line_truncation;
1422 int warn_surprising;
1423 int warn_unused_labels;
1425 int flag_default_double;
1426 int flag_default_integer;
1427 int flag_default_real;
1429 int flag_underscoring;
1430 int flag_second_underscore;
1431 int flag_implicit_none;
1432 int flag_max_stack_var_size;
1433 int flag_module_access_private;
1434 int flag_no_backend;
1435 int flag_pack_derived;
1436 int flag_repack_arrays;
1444 int warn_nonstd_intrinsics;
1448 extern gfc_option_t gfc_option;
1451 /* Constructor nodes for array and structure constructors. */
1452 typedef struct gfc_constructor
1455 gfc_iterator *iterator;
1457 struct gfc_constructor *next;
1460 mpz_t offset; /* Record the offset of array element which appears in
1461 data statement like "data a(5)/4/". */
1462 gfc_component *component; /* Record the component being initialized. */
1465 mpz_t repeat; /* Record the repeat number of initial values in data
1466 statement like "data a/5*10/". */
1471 typedef struct iterator_stack
1473 gfc_symtree *variable;
1475 struct iterator_stack *prev;
1478 extern iterator_stack *iter_stack;
1480 /************************ Function prototypes *************************/
1483 void gfc_formalize_init_value (gfc_symbol *);
1484 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1485 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1486 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1487 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1490 void gfc_scanner_done_1 (void);
1491 void gfc_scanner_init_1 (void);
1493 void gfc_add_include_path (const char *);
1494 void gfc_release_include_path (void);
1495 FILE *gfc_open_included_file (const char *);
1497 int gfc_at_end (void);
1498 int gfc_at_eof (void);
1499 int gfc_at_bol (void);
1500 int gfc_at_eol (void);
1501 void gfc_advance_line (void);
1502 int gfc_check_include (void);
1504 void gfc_skip_comments (void);
1505 int gfc_next_char_literal (int);
1506 int gfc_next_char (void);
1507 int gfc_peek_char (void);
1508 void gfc_error_recovery (void);
1509 void gfc_gobble_whitespace (void);
1510 try gfc_new_file (const char *, gfc_source_form);
1512 extern gfc_source_form gfc_current_form;
1513 extern char *gfc_source_file;
1514 extern locus gfc_current_locus;
1517 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1518 void gfc_free (void *);
1519 int gfc_terminal_width(void);
1520 void gfc_clear_ts (gfc_typespec *);
1521 FILE *gfc_open_file (const char *);
1522 const char *gfc_article (const char *);
1523 const char *gfc_basic_typename (bt);
1524 const char *gfc_typename (gfc_typespec *);
1526 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1527 "=" : gfc_code2string (intrinsic_operators, OP))
1529 const char *gfc_code2string (const mstring *, int);
1530 int gfc_string2code (const mstring *, const char *);
1531 const char *gfc_intent_string (sym_intent);
1533 void gfc_init_1 (void);
1534 void gfc_init_2 (void);
1535 void gfc_done_1 (void);
1536 void gfc_done_2 (void);
1539 unsigned int gfc_init_options (unsigned int, const char **);
1540 int gfc_handle_option (size_t, const char *, int);
1541 bool gfc_post_options (const char **);
1544 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1548 typedef struct gfc_error_buf
1551 size_t allocated, index;
1555 void gfc_error_init_1 (void);
1556 void gfc_buffer_error (int);
1558 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1559 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1560 void gfc_clear_warning (void);
1561 void gfc_warning_check (void);
1563 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1564 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1565 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1566 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1567 void gfc_clear_error (void);
1568 int gfc_error_check (void);
1570 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1572 /* A general purpose syntax error. */
1573 #define gfc_syntax_error(ST) \
1574 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1576 void gfc_push_error (gfc_error_buf *);
1577 void gfc_pop_error (gfc_error_buf *);
1578 void gfc_free_error (gfc_error_buf *);
1580 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1581 void gfc_status_char (char);
1583 void gfc_get_errors (int *, int *);
1586 void gfc_arith_init_1 (void);
1587 void gfc_arith_done_1 (void);
1590 int gfc_validate_kind (bt, int, bool);
1591 extern int gfc_index_integer_kind;
1592 extern int gfc_default_integer_kind;
1593 extern int gfc_max_integer_kind;
1594 extern int gfc_default_real_kind;
1595 extern int gfc_default_double_kind;
1596 extern int gfc_default_character_kind;
1597 extern int gfc_default_logical_kind;
1598 extern int gfc_default_complex_kind;
1599 extern int gfc_c_int_kind;
1602 void gfc_clear_new_implicit (void);
1603 try gfc_add_new_implicit_range (int, int);
1604 try gfc_merge_new_implicit (gfc_typespec *);
1605 void gfc_set_implicit_none (void);
1607 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1608 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1610 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1611 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1613 void gfc_set_sym_referenced (gfc_symbol * sym);
1615 try gfc_add_allocatable (symbol_attribute *, locus *);
1616 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1617 try gfc_add_external (symbol_attribute *, locus *);
1618 try gfc_add_intrinsic (symbol_attribute *, locus *);
1619 try gfc_add_optional (symbol_attribute *, locus *);
1620 try gfc_add_pointer (symbol_attribute *, locus *);
1621 try gfc_add_result (symbol_attribute *, const char *, locus *);
1622 try gfc_add_save (symbol_attribute *, const char *, locus *);
1623 try gfc_add_saved_common (symbol_attribute *, locus *);
1624 try gfc_add_target (symbol_attribute *, locus *);
1625 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1626 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1627 try gfc_add_common (symbol_attribute *, locus *);
1628 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1629 try gfc_add_data (symbol_attribute *, const char *, locus *);
1630 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1631 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1632 try gfc_add_elemental (symbol_attribute *, locus *);
1633 try gfc_add_pure (symbol_attribute *, locus *);
1634 try gfc_add_recursive (symbol_attribute *, locus *);
1635 try gfc_add_function (symbol_attribute *, const char *, locus *);
1636 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1638 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1639 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1640 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1641 try gfc_add_procedure (symbol_attribute *, procedure_type,
1642 const char *, locus *);
1643 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1644 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1645 gfc_formal_arglist *, locus *);
1646 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1648 void gfc_clear_attr (symbol_attribute *);
1649 try gfc_missing_attr (symbol_attribute *, locus *);
1650 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1652 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1653 gfc_symbol *gfc_use_derived (gfc_symbol *);
1654 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1655 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1657 gfc_st_label *gfc_get_st_label (int);
1658 void gfc_free_st_label (gfc_st_label *);
1659 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1660 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1662 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1663 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1664 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1665 gfc_user_op *gfc_get_uop (const char *);
1666 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1667 void gfc_free_symbol (gfc_symbol *);
1668 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1669 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1670 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1671 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1672 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1673 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1674 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1676 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1678 void gfc_undo_symbols (void);
1679 void gfc_commit_symbols (void);
1680 void gfc_free_namespace (gfc_namespace *);
1682 void gfc_symbol_init_2 (void);
1683 void gfc_symbol_done_2 (void);
1685 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1686 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1687 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1688 void gfc_save_all (gfc_namespace *);
1690 void gfc_symbol_state (void);
1692 gfc_gsymbol *gfc_get_gsymbol (const char *);
1693 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1696 extern int gfc_init_expr;
1698 /* Given a symbol that we have decided is intrinsic, mark it as such
1699 by placing it into a special module that is otherwise impossible to
1702 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1704 void gfc_intrinsic_init_1 (void);
1705 void gfc_intrinsic_done_1 (void);
1707 char gfc_type_letter (bt);
1708 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1709 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1710 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1711 int gfc_generic_intrinsic (const char *);
1712 int gfc_specific_intrinsic (const char *);
1713 int gfc_intrinsic_name (const char *, int);
1714 gfc_intrinsic_sym *gfc_find_function (const char *);
1716 match gfc_intrinsic_func_interface (gfc_expr *, int);
1717 match gfc_intrinsic_sub_interface (gfc_code *, int);
1720 void gfc_simplify_init_1 (void);
1722 /* match.c -- FIXME */
1723 void gfc_free_iterator (gfc_iterator *, int);
1724 void gfc_free_forall_iterator (gfc_forall_iterator *);
1725 void gfc_free_alloc_list (gfc_alloc *);
1726 void gfc_free_namelist (gfc_namelist *);
1727 void gfc_free_equiv (gfc_equiv *);
1728 void gfc_free_data (gfc_data *);
1729 void gfc_free_case_list (gfc_case *);
1732 void gfc_free_actual_arglist (gfc_actual_arglist *);
1733 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1734 const char *gfc_extract_int (gfc_expr *, int *);
1736 gfc_expr *gfc_build_conversion (gfc_expr *);
1737 void gfc_free_ref_list (gfc_ref *);
1738 void gfc_type_convert_binary (gfc_expr *);
1739 int gfc_is_constant_expr (gfc_expr *);
1740 try gfc_simplify_expr (gfc_expr *, int);
1742 gfc_expr *gfc_get_expr (void);
1743 void gfc_free_expr (gfc_expr *);
1744 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1745 gfc_expr *gfc_int_expr (int);
1746 gfc_expr *gfc_logical_expr (int, locus *);
1747 mpz_t *gfc_copy_shape (mpz_t *, int);
1748 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1749 gfc_expr *gfc_copy_expr (gfc_expr *);
1751 try gfc_specification_expr (gfc_expr *);
1753 int gfc_numeric_ts (gfc_typespec *);
1754 int gfc_kind_max (gfc_expr *, gfc_expr *);
1756 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1757 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1758 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1759 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1761 gfc_expr *gfc_default_initializer (gfc_typespec *);
1762 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1766 extern gfc_code new_st;
1768 void gfc_clear_new_st (void);
1769 gfc_code *gfc_get_code (void);
1770 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1771 void gfc_free_statement (gfc_code *);
1772 void gfc_free_statements (gfc_code *);
1775 try gfc_resolve_expr (gfc_expr *);
1776 void gfc_resolve (gfc_namespace *);
1777 int gfc_impure_variable (gfc_symbol *);
1778 int gfc_pure (gfc_symbol *);
1779 int gfc_elemental (gfc_symbol *);
1780 try gfc_resolve_iterator (gfc_iterator *, bool);
1781 try gfc_resolve_index (gfc_expr *, int);
1782 try gfc_resolve_dim_arg (gfc_expr *);
1785 void gfc_free_array_spec (gfc_array_spec *);
1786 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1788 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1789 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1790 try gfc_resolve_array_spec (gfc_array_spec *, int);
1792 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1794 gfc_expr *gfc_start_constructor (bt, int, locus *);
1795 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1796 void gfc_free_constructor (gfc_constructor *);
1797 void gfc_simplify_iterator_var (gfc_expr *);
1798 try gfc_expand_constructor (gfc_expr *);
1799 int gfc_constant_ac (gfc_expr *);
1800 int gfc_expanded_ac (gfc_expr *);
1801 try gfc_resolve_array_constructor (gfc_expr *);
1802 try gfc_check_constructor_type (gfc_expr *);
1803 try gfc_check_iter_variable (gfc_expr *);
1804 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1805 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1806 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1807 try gfc_array_size (gfc_expr *, mpz_t *);
1808 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1809 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1810 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1811 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1812 gfc_constructor *gfc_get_constructor (void);
1813 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1814 try spec_size (gfc_array_spec *, mpz_t *);
1815 int gfc_is_compile_time_shape (gfc_array_spec *);
1817 /* interface.c -- FIXME: some of these should be in symbol.c */
1818 void gfc_free_interface (gfc_interface *);
1819 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1820 void gfc_check_interfaces (gfc_namespace *);
1821 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1822 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1823 gfc_actual_arglist **);
1824 try gfc_extend_expr (gfc_expr *);
1825 void gfc_free_formal_arglist (gfc_formal_arglist *);
1826 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1827 try gfc_add_interface (gfc_symbol * sym);
1830 extern gfc_st_label format_asterisk;
1832 void gfc_free_open (gfc_open *);
1833 try gfc_resolve_open (gfc_open *);
1834 void gfc_free_close (gfc_close *);
1835 try gfc_resolve_close (gfc_close *);
1836 void gfc_free_filepos (gfc_filepos *);
1837 try gfc_resolve_filepos (gfc_filepos *);
1838 void gfc_free_inquire (gfc_inquire *);
1839 try gfc_resolve_inquire (gfc_inquire *);
1840 void gfc_free_dt (gfc_dt *);
1841 try gfc_resolve_dt (gfc_dt *);
1844 void gfc_module_init_2 (void);
1845 void gfc_module_done_2 (void);
1846 void gfc_dump_module (const char *, int);
1847 bool gfc_check_access (gfc_access, gfc_access);
1850 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1851 symbol_attribute gfc_expr_attr (gfc_expr *);
1854 void gfc_generate_code (gfc_namespace *);
1855 void gfc_generate_module_code (gfc_namespace *);
1858 typedef int (*compare_fn) (void *, void *);
1859 void gfc_insert_bbt (void *, void *, compare_fn);
1860 void gfc_delete_bbt (void *, void *, compare_fn);
1862 /* dump-parse-tree.c */
1863 void gfc_show_namespace (gfc_namespace *);
1866 try gfc_parse_file (void);
1868 #endif /* GCC_GFORTRAN_H */