1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
3 Free Software Foundation, Inc.
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 3, 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 COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 #ifndef GCC_GFORTRAN_H
23 #define GCC_GFORTRAN_H
25 /* It's probably insane to have this large of a header file, but it
26 seemed like everything had to be recompiled anyway when a change
27 was made to a header file, and there were ordering issues with
28 multiple header files. Besides, Microsoft's winnt.h was 250k last
29 time I looked, so by comparison this is perfectly reasonable. */
31 /* Declarations common to the front-end and library are put in
32 libgfortran/libgfortran_frontend.h */
33 #include "libgfortran.h"
38 #include "coretypes.h"
40 #include "splay-tree.h"
41 /* The following ifdefs are recommended by the autoconf documentation
42 for any code using alloca. */
44 /* AIX requires this to be the first thing in the file. */
46 #else /* not __GNUC__ */
49 #else /* do not HAVE_ALLOCA_H */
53 #ifndef alloca /* predefined by HP cc +Olibcalls */
55 #endif /* not predefined */
57 #endif /* do not HAVE_ALLOCA_H */
58 #endif /* not __GNUC__ */
60 /* Major control parameters. */
62 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
63 #define GFC_MAX_BINDING_LABEL_LEN 126 /* (2 * GFC_MAX_SYMBOL_LEN) */
64 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
65 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
67 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
70 #define free(x) Use_gfc_free_instead_of_free()
71 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
74 #define NULL ((void *) 0)
78 #define stringize(x) expand_macro(x)
79 #define expand_macro(x) # x
81 /* For a the runtime library, a standard prefix is a requirement to
82 avoid cluttering the namespace with things nobody asked for. It's
83 ugly to look at and a pain to type when you add the prefix by hand,
84 so we hide it behind a macro. */
85 #define PREFIX(x) "_gfortran_" x
88 #define BLANK_COMMON_NAME "__BLNK__"
90 /* Macro to initialize an mstring structure. */
91 #define minit(s, t) { s, NULL, t }
93 /* Structure for storing strings to be matched by gfc_match_string. */
104 /*************************** Enums *****************************/
106 /* Used when matching and resolving data I/O transfer statements. */
109 { M_READ, M_WRITE, M_PRINT, M_INQUIRE }
112 /* The author remains confused to this day about the convention of
113 returning '0' for 'SUCCESS'... or was it the other way around? The
114 following enum makes things much more readable. We also start
115 values off at one instead of zero. */
118 { SUCCESS = 1, FAILURE }
121 /* This is returned by gfc_notification_std to know if, given the flags
122 that were given (-std=, -pedantic) we should issue an error, a warning
126 { SILENT, WARNING, ERROR }
129 /* Matchers return one of these three values. The difference between
130 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
131 successful, but that something non-syntactic is wrong and an error
132 has already been issued. */
135 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
139 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
142 /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
143 can take any arg with the pointer attribute as a param. */
145 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
146 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE, BT_HOLLERITH,
151 /* Expression node types. */
153 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
154 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
160 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
161 AS_ASSUMED_SIZE, AS_UNKNOWN
166 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
169 /* Statement label types. */
171 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
172 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
176 /* Intrinsic operators. */
178 { GFC_INTRINSIC_BEGIN = 0,
179 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
180 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
181 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
182 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
183 /* ==, /=, >, >=, <, <= */
184 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
185 INTRINSIC_LT, INTRINSIC_LE,
186 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
187 INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS,
188 INTRINSIC_LT_OS, INTRINSIC_LE_OS,
189 INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN,
190 INTRINSIC_PARENTHESES, GFC_INTRINSIC_END /* Sentinel */
195 /* This macro is the number of intrinsic operators that exist.
196 Assumptions are made about the numbering of the interface_op enums. */
197 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
199 /* Arithmetic results. */
201 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
202 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
209 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
210 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
211 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
212 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
213 ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF,
214 ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT,
215 ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE,
216 ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO,
217 ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_IMPORT, ST_INQUIRE, ST_INTERFACE,
218 ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN,
219 ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND,
220 ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WAIT,
221 ST_WRITE, ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE,
222 ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT,
223 ST_ENUM, ST_ENUMERATOR, ST_END_ENUM,
224 ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_CRITICAL,
225 ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL,
226 ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS,
227 ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE,
228 ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
229 ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
230 ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE,
231 ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_PROCEDURE,
232 ST_GET_FCN_CHARACTERISTICS, ST_NONE
237 /* Types of interfaces that we can have. Assignment interfaces are
238 considered to be intrinsic operators. */
241 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
242 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT
246 /* Symbol flavors: these are all mutually exclusive.
247 10 elements = 4 bits. */
248 typedef enum sym_flavor
250 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
251 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST,
256 /* Procedure types. 7 elements = 3 bits. */
257 typedef enum procedure_type
258 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
259 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
264 typedef enum sym_intent
265 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
270 typedef enum gfc_access
271 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
275 /* Flags to keep track of where an interface came from.
276 4 elements = 2 bits. */
278 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
282 /* Whether a SAVE attribute was set explicitly or implicitly. */
283 typedef enum save_state
284 { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
288 /* Strings for all symbol attributes. We use these for dumping the
289 parse tree, in error messages, and also when reading and writing
290 modules. In symbol.c. */
291 extern const mstring flavors[];
292 extern const mstring procedures[];
293 extern const mstring intents[];
294 extern const mstring access_types[];
295 extern const mstring ifsrc_types[];
296 extern const mstring save_status[];
298 /* Enumeration of all the generic intrinsic functions. Used by the
299 backend for identification of a function. */
303 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
304 the backend (eg. KIND). */
335 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
345 GFC_ISYM_DATE_AND_TIME,
349 GFC_ISYM_DOT_PRODUCT,
356 GFC_ISYM_ERFC_SCALED,
377 GFC_ISYM_GET_COMMAND,
378 GFC_ISYM_GET_COMMAND_ARGUMENT,
381 GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
407 GFC_ISYM_IS_IOSTAT_END,
408 GFC_ISYM_IS_IOSTAT_EOR,
438 GFC_ISYM_MAXEXPONENT,
445 GFC_ISYM_MINEXPONENT,
465 GFC_ISYM_RANDOM_NUMBER,
466 GFC_ISYM_RANDOM_SEED,
479 GFC_ISYM_SET_EXPONENT,
499 GFC_ISYM_SYSTEM_CLOCK,
519 typedef enum gfc_isym_id gfc_isym_id;
524 GFC_INIT_REAL_OFF = 0,
528 GFC_INIT_REAL_NEG_INF
534 GFC_INIT_LOGICAL_OFF = 0,
535 GFC_INIT_LOGICAL_FALSE,
536 GFC_INIT_LOGICAL_TRUE
542 GFC_INIT_CHARACTER_OFF = 0,
543 GFC_INIT_CHARACTER_ON
545 init_local_character;
549 GFC_INIT_INTEGER_OFF = 0,
554 /************************* Structures *****************************/
556 /* Used for keeping things in balanced binary trees. */
557 #define BBT_HEADER(self) int priority; struct self *left, *right
559 #define NAMED_INTCST(a,b,c,d) a,
562 ISOFORTRANENV_INVALID = -1,
563 #include "iso-fortran-env.def"
564 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
566 iso_fortran_env_symbol;
569 #define NAMED_INTCST(a,b,c,d) a,
570 #define NAMED_REALCST(a,b,c) a,
571 #define NAMED_CMPXCST(a,b,c) a,
572 #define NAMED_LOGCST(a,b,c) a,
573 #define NAMED_CHARKNDCST(a,b,c) a,
574 #define NAMED_CHARCST(a,b,c) a,
575 #define DERIVED_TYPE(a,b,c) a,
576 #define PROCEDURE(a,b) a,
579 ISOCBINDING_INVALID = -1,
580 #include "iso-c-binding.def"
582 ISOCBINDING_NUMBER = ISOCBINDING_LAST
584 iso_c_binding_symbol;
589 #undef NAMED_CHARKNDCST
596 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING
602 char name[GFC_MAX_SYMBOL_LEN + 1];
603 int value; /* Used for both integer and character values. */
608 /* Array of structs, where the structs represent the C interop kinds.
609 The list will be implemented based on a hash of the kind name since
610 these could be accessed multiple times.
611 Declared in trans-types.c as a global, since it's in that file
612 that the list is initialized. */
613 extern CInteropKind_t c_interop_kinds_table[];
615 /* Symbol attribute structure. */
618 /* Variable attributes. */
619 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
620 optional:1, pointer:1, target:1, value:1, volatile_:1,
621 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
622 implied_index:1, subref_array_pointer:1;
624 ENUM_BITFIELD (save_state) save:2;
626 unsigned data:1, /* Symbol is named in a DATA statement. */
627 protected:1, /* Symbol has been marked as protected. */
628 use_assoc:1, /* Symbol has been use-associated. */
629 use_only:1, /* Symbol has been use-associated, with ONLY. */
630 use_rename:1, /* Symbol has been use-associated and renamed. */
631 imported:1; /* Symbol has been associated by IMPORT. */
633 unsigned in_namelist:1, in_common:1, in_equivalence:1;
634 unsigned function:1, subroutine:1, procedure:1;
635 unsigned generic:1, generic_copy:1;
636 unsigned implicit_type:1; /* Type defined via implicit rules. */
637 unsigned untyped:1; /* No implicit type could be found. */
639 unsigned is_bind_c:1; /* say if is bound to C */
641 /* These flags are both in the typespec and attribute. The attribute
642 list is what gets read from/written to a module file. The typespec
643 is created from a decl being processed. */
644 unsigned is_c_interop:1; /* It's c interoperable. */
645 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
647 /* Function/subroutine attributes */
648 unsigned sequence:1, elemental:1, pure:1, recursive:1;
649 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
651 /* This is set if the subroutine doesn't return. Currently, this
652 is only possible for intrinsic subroutines. */
655 /* Set if this procedure is an alternate entry point. These procedures
656 don't have any code associated, and the backend will turn them into
657 thunks to the master function. */
660 /* Set if this is the master function for a procedure with multiple
662 unsigned entry_master:1;
664 /* Set if this is the master function for a function with multiple
665 entry points where characteristics of the entry points differ. */
666 unsigned mixed_entry_master:1;
668 /* Set if a function must always be referenced by an explicit interface. */
669 unsigned always_explicit:1;
671 /* Set if the symbol has been referenced in an expression. No further
672 modification of type or type parameters is permitted. */
673 unsigned referenced:1;
675 /* Set if the symbol has ambiguous interfaces. */
676 unsigned ambiguous_interfaces:1;
678 /* Set if this is the symbol for the main program. */
679 unsigned is_main_program:1;
681 /* Mutually exclusive multibit attributes. */
682 ENUM_BITFIELD (gfc_access) access:2;
683 ENUM_BITFIELD (sym_intent) intent:2;
684 ENUM_BITFIELD (sym_flavor) flavor:4;
685 ENUM_BITFIELD (ifsrc) if_source:2;
687 ENUM_BITFIELD (procedure_type) proc:3;
689 /* Special attributes for Cray pointers, pointees. */
690 unsigned cray_pointer:1, cray_pointee:1;
692 /* The symbol is a derived type with allocatable components, pointer
693 components or private components, possibly nested. zer_comp
694 is true if the derived type has no component at all. */
695 unsigned alloc_comp:1, pointer_comp:1, private_comp:1, zero_comp:1;
697 /* The namespace where the VOLATILE attribute has been set. */
698 struct gfc_namespace *volatile_ns;
703 /* We need to store source lines as sequences of multibyte source
704 characters. We define here a type wide enough to hold any multibyte
705 source character, just like libcpp does. A 32-bit type is enough. */
707 #if HOST_BITS_PER_INT >= 32
708 typedef unsigned int gfc_char_t;
709 #elif HOST_BITS_PER_LONG >= 32
710 typedef unsigned long gfc_char_t;
711 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
712 typedef unsigned long long gfc_char_t;
714 # error "Cannot find an integer type with at least 32 bits"
718 /* The following three structures are used to identify a location in
721 gfc_file is used to maintain a tree of the source files and how
722 they include each other
724 gfc_linebuf holds a single line of source code and information
725 which file it resides in
727 locus point to the sourceline and the character in the source
731 typedef struct gfc_file
733 struct gfc_file *next, *up;
734 int inclusion_line, line;
738 typedef struct gfc_linebuf
740 source_location location;
741 struct gfc_file *file;
742 struct gfc_linebuf *next;
750 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
752 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
760 /* In order for the "gfc" format checking to work correctly, you must
761 have declared a typedef locus first. */
762 #if GCC_VERSION >= 4001
763 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
765 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
769 extern int gfc_suppress_error;
772 /* Character length structures hold the expression that gives the
773 length of a character variable. We avoid putting these into
774 gfc_typespec because doing so prevents us from doing structure
775 copies and forces us to deallocate any typespecs we create, as well
776 as structures that contain typespecs. They also can have multiple
777 character typespecs pointing to them.
779 These structures form a singly linked list within the current
780 namespace and are deallocated with the namespace. It is possible to
781 end up with gfc_charlen structures that have nothing pointing to them. */
783 typedef struct gfc_charlen
785 struct gfc_expr *length;
786 struct gfc_charlen *next;
787 bool length_from_typespec; /* Length from explicit array ctor typespec? */
794 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
796 /* Type specification structure. FIXME: derived and cl could be union??? */
801 struct gfc_symbol *derived;
802 gfc_charlen *cl; /* For character types only. */
803 struct gfc_symbol *interface; /* For PROCEDURE declarations. */
810 /* Array specification. */
813 int rank; /* A rank of zero means that a variable is a scalar. */
815 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
817 /* These two fields are used with the Cray Pointer extension. */
818 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
819 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
820 AS_EXPLICIT, but we want to remember that we
826 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
829 /* Components of derived types. */
830 typedef struct gfc_component
835 int pointer, allocatable, dimension;
841 struct gfc_expr *initializer;
842 struct gfc_component *next;
846 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
848 /* Formal argument lists are lists of symbols. */
849 typedef struct gfc_formal_arglist
851 /* Symbol representing the argument at this position in the arglist. */
852 struct gfc_symbol *sym;
853 /* Points to the next formal argument. */
854 struct gfc_formal_arglist *next;
858 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
861 /* The gfc_actual_arglist structure is for actual arguments. */
862 typedef struct gfc_actual_arglist
865 /* Alternate return label when the expr member is null. */
866 struct gfc_st_label *label;
868 /* This is set to the type of an eventual omitted optional
869 argument. This is used to determine if a hidden string length
870 argument has to be added to a function call. */
873 struct gfc_expr *expr;
874 struct gfc_actual_arglist *next;
878 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
881 /* Because a symbol can belong to multiple namelists, they must be
882 linked externally to the symbol itself. */
883 typedef struct gfc_namelist
885 struct gfc_symbol *sym;
886 struct gfc_namelist *next;
890 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
895 OMP_LIST_FIRSTPRIVATE,
896 OMP_LIST_LASTPRIVATE,
897 OMP_LIST_COPYPRIVATE,
901 OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS,
913 OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR,
917 /* Because a symbol can belong to multiple namelists, they must be
918 linked externally to the symbol itself. */
919 typedef struct gfc_omp_clauses
921 struct gfc_expr *if_expr;
922 struct gfc_expr *num_threads;
923 gfc_namelist *lists[OMP_LIST_NUM];
932 struct gfc_expr *chunk_size;
940 bool nowait, ordered;
944 #define gfc_get_omp_clauses() gfc_getmem(sizeof(gfc_omp_clauses))
947 /* The gfc_st_label structure is a doubly linked list attached to a
948 namespace that records the usage of statement labels within that
950 /* TODO: Make format/statement specifics a union. */
951 typedef struct gfc_st_label
953 BBT_HEADER(gfc_st_label);
957 gfc_sl_type defined, referenced;
959 struct gfc_expr *format;
968 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
969 typedef struct gfc_interface
971 struct gfc_symbol *sym;
973 struct gfc_interface *next;
977 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
980 /* User operator nodes. These are like stripped down symbols. */
985 gfc_interface *operator;
986 struct gfc_namespace *ns;
991 /* Symbol nodes. These are important things. They are what the
992 standard refers to as "entities". The possibly multiple names that
993 refer to the same entity are accomplished by a binary tree of
994 symtree structures that is balanced by the red-black method-- more
995 than one symtree node can point to any given symbol. */
997 typedef struct gfc_symbol
999 const char *name; /* Primary name, before renaming */
1000 const char *module; /* Module this symbol came from */
1004 symbol_attribute attr;
1006 /* The formal member points to the formal argument list if the
1007 symbol is a function or subroutine name. If the symbol is a
1008 generic name, the generic member points to the list of
1011 gfc_interface *generic;
1012 gfc_access component_access;
1014 gfc_formal_arglist *formal;
1015 struct gfc_namespace *formal_ns;
1017 /* The namespace containing type-associated procedure symbols. */
1018 /* TODO: Make this union with formal? */
1019 struct gfc_namespace *f2k_derived;
1021 struct gfc_expr *value; /* Parameter/Initializer value */
1023 struct gfc_symbol *result; /* function result symbol */
1024 gfc_component *components; /* Derived type components */
1026 /* Defined only for Cray pointees; points to their pointer. */
1027 struct gfc_symbol *cp_pointer;
1029 struct gfc_symbol *common_next; /* Links for COMMON syms */
1031 /* This is in fact a gfc_common_head but it is only used for pointer
1032 comparisons to check if symbols are in the same common block. */
1033 struct gfc_common_head* common_head;
1035 /* Make sure setup code for dummy arguments is generated in the correct
1041 gfc_namelist *namelist, *namelist_tail;
1043 /* Change management fields. Symbols that might be modified by the
1044 current statement have the mark member nonzero and are kept in a
1045 singly linked list through the tlink field. Of these symbols,
1046 symbols with old_symbol equal to NULL are symbols created within
1047 the current statement. Otherwise, old_symbol points to a copy of
1050 struct gfc_symbol *old_symbol, *tlink;
1051 unsigned mark:1, new:1;
1052 /* Nonzero if all equivalences associated with this symbol have been
1054 unsigned equiv_built:1;
1055 /* Set if this variable is used as an index name in a FORALL. */
1056 unsigned forall_index:1;
1058 struct gfc_namespace *ns; /* namespace containing this symbol */
1062 /* Identity of the intrinsic module the symbol comes from, or
1063 INTMOD_NONE if it's not imported from a intrinsic module. */
1064 intmod_id from_intmod;
1065 /* Identity of the symbol from intrinsic modules, from enums maintained
1066 separately by each intrinsic module. Used together with from_intmod,
1067 it uniquely identifies a symbol from an intrinsic module. */
1070 /* This may be repetitive, since the typespec now has a binding
1072 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1073 /* Store a reference to the common_block, if this symbol is in one. */
1074 struct gfc_common_head *common_block;
1079 /* This structure is used to keep track of symbols in common blocks. */
1080 typedef struct gfc_common_head
1083 char use_assoc, saved, threadprivate;
1084 char name[GFC_MAX_SYMBOL_LEN + 1];
1085 struct gfc_symbol *head;
1086 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1091 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
1094 /* A list of all the alternate entry points for a procedure. */
1096 typedef struct gfc_entry_list
1098 /* The symbol for this entry point. */
1100 /* The zero-based id of this entry point. */
1102 /* The LABEL_EXPR marking this entry point. */
1104 /* The nest item in the list. */
1105 struct gfc_entry_list *next;
1109 #define gfc_get_entry_list() \
1110 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1112 /* Within a namespace, symbols are pointed to by symtree nodes that
1113 are linked together in a balanced binary tree. There can be
1114 several symtrees pointing to the same symbol node via USE
1117 typedef struct gfc_symtree
1119 BBT_HEADER (gfc_symtree);
1124 gfc_symbol *sym; /* Symbol associated with this node */
1126 gfc_common_head *common;
1133 /* A linked list of derived types in the namespace. */
1134 typedef struct gfc_dt_list
1136 struct gfc_symbol *derived;
1137 struct gfc_dt_list *next;
1141 #define gfc_get_dt_list() gfc_getmem(sizeof(gfc_dt_list))
1143 /* A list of all derived types. */
1144 extern gfc_dt_list *gfc_derived_types;
1146 /* A namespace describes the contents of procedure, module or
1148 /* ??? Anything else use these? */
1150 typedef struct gfc_namespace
1152 /* Tree containing all the symbols in this namespace. */
1153 gfc_symtree *sym_root;
1154 /* Tree containing all the user-defined operators in the namespace. */
1155 gfc_symtree *uop_root;
1156 /* Tree containing all the common blocks. */
1157 gfc_symtree *common_root;
1158 /* Linked list of finalizer procedures. */
1159 struct gfc_finalizer *finalizers;
1161 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1162 int set_flag[GFC_LETTERS];
1163 /* Keeps track of the implicit types associated with the letters. */
1164 gfc_typespec default_type[GFC_LETTERS];
1166 /* If this is a namespace of a procedure, this points to the procedure. */
1167 struct gfc_symbol *proc_name;
1168 /* If this is the namespace of a unit which contains executable
1169 code, this points to it. */
1170 struct gfc_code *code;
1172 /* Points to the equivalences set up in this namespace. */
1173 struct gfc_equiv *equiv;
1175 /* Points to the equivalence groups produced by trans_common. */
1176 struct gfc_equiv_list *equiv_lists;
1178 gfc_interface *operator[GFC_INTRINSIC_OPS];
1180 /* Points to the parent namespace, i.e. the namespace of a module or
1181 procedure in which the procedure belonging to this namespace is
1182 contained. The parent namespace points to this namespace either
1183 directly via CONTAINED, or indirectly via the chain built by
1185 struct gfc_namespace *parent;
1186 /* CONTAINED points to the first contained namespace. Sibling
1187 namespaces are chained via SIBLING. */
1188 struct gfc_namespace *contained, *sibling;
1190 gfc_common_head blank_common;
1191 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1193 gfc_st_label *st_labels;
1194 /* This list holds information about all the data initializers in
1196 struct gfc_data *data;
1198 gfc_charlen *cl_list;
1200 int save_all, seen_save, seen_implicit_none;
1202 /* Normally we don't need to refcount namespaces. However when we read
1203 a module containing a function with multiple entry points, this
1204 will appear as several functions with the same formal namespace. */
1207 /* A list of all alternate entry points to this procedure (or NULL). */
1208 gfc_entry_list *entries;
1210 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1213 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1218 extern gfc_namespace *gfc_current_ns;
1220 /* Global symbols are symbols of global scope. Currently we only use
1221 this to detect collisions already when parsing.
1222 TODO: Extend to verify procedure calls. */
1224 typedef struct gfc_gsymbol
1226 BBT_HEADER(gfc_gsymbol);
1229 const char *sym_name;
1230 const char *mod_name;
1231 const char *binding_label;
1232 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1233 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1240 extern gfc_gsymbol *gfc_gsym_root;
1242 /* Information on interfaces being built. */
1245 interface_type type;
1249 gfc_intrinsic_op op;
1253 extern gfc_interface_info current_interface;
1256 /* Array reference. */
1257 typedef struct gfc_array_ref
1260 int dimen; /* # of components in the reference */
1264 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1265 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1266 *stride[GFC_MAX_DIMENSIONS];
1269 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1270 dimen_type[GFC_MAX_DIMENSIONS];
1272 struct gfc_expr *offset;
1276 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
1279 /* Component reference nodes. A variable is stored as an expression
1280 node that points to the base symbol. After that, a singly linked
1281 list of component reference nodes gives the variable's complete
1282 resolution. The array_ref component may be present and comes
1283 before the component component. */
1286 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1289 typedef struct gfc_ref
1295 struct gfc_array_ref ar;
1299 gfc_component *component;
1306 struct gfc_expr *start, *end; /* Substring */
1307 gfc_charlen *length;
1314 struct gfc_ref *next;
1318 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
1321 /* Structures representing intrinsic symbols and their arguments lists. */
1322 typedef struct gfc_intrinsic_arg
1324 char name[GFC_MAX_SYMBOL_LEN + 1];
1328 gfc_actual_arglist *actual;
1330 struct gfc_intrinsic_arg *next;
1336 /* Specifies the various kinds of check functions used to verify the
1337 argument lists of intrinsic functions. fX with X an integer refer
1338 to check functions of intrinsics with X arguments. f1m is used for
1339 the MAX and MIN intrinsics which can have an arbitrary number of
1340 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1341 these have special semantics. */
1346 try (*f1)(struct gfc_expr *);
1347 try (*f1m)(gfc_actual_arglist *);
1348 try (*f2)(struct gfc_expr *, struct gfc_expr *);
1349 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1350 try (*f3ml)(gfc_actual_arglist *);
1351 try (*f3red)(gfc_actual_arglist *);
1352 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1354 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1355 struct gfc_expr *, struct gfc_expr *);
1359 /* Like gfc_check_f, these specify the type of the simplification
1360 function associated with an intrinsic. The fX are just like in
1361 gfc_check_f. cc is used for type conversion functions. */
1365 struct gfc_expr *(*f0)(void);
1366 struct gfc_expr *(*f1)(struct gfc_expr *);
1367 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1368 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1370 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1371 struct gfc_expr *, struct gfc_expr *);
1372 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1373 struct gfc_expr *, struct gfc_expr *,
1375 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1379 /* Again like gfc_check_f, these specify the type of the resolution
1380 function associated with an intrinsic. The fX are just like in
1381 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1385 void (*f0)(struct gfc_expr *);
1386 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1387 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1388 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1389 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1391 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1392 struct gfc_expr *, struct gfc_expr *);
1393 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1394 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1395 void (*s1)(struct gfc_code *);
1400 typedef struct gfc_intrinsic_sym
1402 const char *name, *lib_name;
1403 gfc_intrinsic_arg *formal;
1405 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1406 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1410 gfc_simplify_f simplify;
1412 gfc_resolve_f resolve;
1413 struct gfc_intrinsic_sym *specific_head, *next;
1420 /* Expression nodes. The expression node types deserve explanations,
1421 since the last couple can be easily misconstrued:
1423 EXPR_OP Operator node pointing to one or two other nodes
1424 EXPR_FUNCTION Function call, symbol points to function's name
1425 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1426 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1427 which expresses structure, array and substring refs.
1428 EXPR_NULL The NULL pointer value (which also has a basic type).
1429 EXPR_SUBSTRING A substring of a constant string
1430 EXPR_STRUCTURE A structure constructor
1431 EXPR_ARRAY An array constructor. */
1435 #define GFC_RND_MODE GMP_RNDN
1437 typedef struct gfc_expr
1441 gfc_typespec ts; /* These two refer to the overall expression */
1444 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1446 /* Nonnull for functions and structure constructors */
1447 gfc_symtree *symtree;
1453 /* True if the expression is a call to a function that returns an array,
1454 and if we have decided not to allocate temporary data for that array. */
1455 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
1457 /* Used to quickly find a given constructor by its offset. */
1458 splay_tree con_by_offset;
1460 /* If an expression comes from a Hollerith constant or compile-time
1461 evaluation of a transfer statement, it may have a prescribed target-
1462 memory representation, and these cannot always be backformed from
1489 gfc_intrinsic_op operator;
1491 struct gfc_expr *op1, *op2;
1497 gfc_actual_arglist *actual;
1498 const char *name; /* Points to the ultimate name of the function */
1499 gfc_intrinsic_sym *isym;
1511 struct gfc_constructor *constructor;
1519 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1521 /* Structures for information associated with different kinds of
1522 numbers. The first set of integer parameters define all there is
1523 to know about a particular kind. The rest of the elements are
1524 computed from the first elements. */
1528 /* Values really representable by the target. */
1529 mpz_t huge, pedantic_min_int, min_int;
1531 int kind, radix, digits, bit_size, range;
1533 /* True if the C type of the given name maps to this precision.
1534 Note that more than one bit can be set. */
1535 unsigned int c_char : 1;
1536 unsigned int c_short : 1;
1537 unsigned int c_int : 1;
1538 unsigned int c_long : 1;
1539 unsigned int c_long_long : 1;
1543 extern gfc_integer_info gfc_integer_kinds[];
1550 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1551 unsigned int c_bool : 1;
1555 extern gfc_logical_info gfc_logical_kinds[];
1560 mpfr_t epsilon, huge, tiny, subnormal;
1561 int kind, radix, digits, min_exponent, max_exponent;
1562 int range, precision;
1564 /* The precision of the type as reported by GET_MODE_PRECISION. */
1567 /* True if the C type of the given name maps to this precision.
1568 Note that more than one bit can be set. */
1569 unsigned int c_float : 1;
1570 unsigned int c_double : 1;
1571 unsigned int c_long_double : 1;
1575 extern gfc_real_info gfc_real_kinds[];
1584 extern gfc_character_info gfc_character_kinds[];
1587 /* Equivalence structures. Equivalent lvalues are linked along the
1588 *eq pointer, equivalence sets are strung along the *next node. */
1589 typedef struct gfc_equiv
1591 struct gfc_equiv *next, *eq;
1598 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1600 /* Holds a single equivalence member after processing. */
1601 typedef struct gfc_equiv_info
1604 HOST_WIDE_INT offset;
1605 HOST_WIDE_INT length;
1606 struct gfc_equiv_info *next;
1609 /* Holds equivalence groups, after they have been processed. */
1610 typedef struct gfc_equiv_list
1612 gfc_equiv_info *equiv;
1613 struct gfc_equiv_list *next;
1616 /* gfc_case stores the selector list of a case statement. The *low
1617 and *high pointers can point to the same expression in the case of
1618 a single value. If *high is NULL, the selection is from *low
1619 upwards, if *low is NULL the selection is *high downwards.
1621 This structure has separate fields to allow single and double linked
1622 lists of CASEs at the same time. The singe linked list along the NEXT
1623 field is a list of cases for a single CASE label. The double linked
1624 list along the LEFT/RIGHT fields is used to detect overlap and to
1625 build a table of the cases for SELECT constructs with a CHARACTER
1628 typedef struct gfc_case
1630 /* Where we saw this case. */
1634 /* Case range values. If (low == high), it's a single value. If one of
1635 the labels is NULL, it's an unbounded case. If both are NULL, this
1636 represents the default case. */
1637 gfc_expr *low, *high;
1639 /* Next case label in the list of cases for a single CASE label. */
1640 struct gfc_case *next;
1642 /* Used for detecting overlap, and for code generation. */
1643 struct gfc_case *left, *right;
1645 /* True if this case label can never be matched. */
1650 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1655 gfc_expr *var, *start, *end, *step;
1659 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1662 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1664 typedef struct gfc_alloc
1667 struct gfc_alloc *next;
1671 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1676 gfc_expr *unit, *file, *status, *access, *form, *recl,
1677 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1678 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1686 gfc_expr *unit, *status, *iostat, *iomsg;
1694 gfc_expr *unit, *iostat, *iomsg;
1702 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1703 *name, *access, *sequential, *direct, *form, *formatted,
1704 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1705 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1706 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1716 gfc_expr *unit, *iostat, *iomsg, *id;
1717 gfc_st_label *err, *end, *eor;
1724 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1725 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1726 *sign, *extra_comma;
1728 gfc_symbol *namelist;
1729 /* A format_label of `format_asterisk' indicates the "*" format */
1730 gfc_st_label *format_label;
1731 gfc_st_label *err, *end, *eor;
1733 locus eor_where, end_where, err_where;
1738 typedef struct gfc_forall_iterator
1740 gfc_expr *var, *start, *end, *stride;
1741 struct gfc_forall_iterator *next;
1743 gfc_forall_iterator;
1746 /* Executable statements that fill gfc_code structures. */
1749 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1750 EXEC_GOTO, EXEC_CALL, EXEC_ASSIGN_CALL, EXEC_RETURN, EXEC_ENTRY,
1751 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1752 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1753 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1754 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1755 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1756 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1757 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1758 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1759 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1760 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1761 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1762 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1767 typedef struct gfc_code
1771 struct gfc_code *block, *next;
1774 gfc_st_label *here, *label, *label2, *label3;
1775 gfc_symtree *symtree;
1776 gfc_expr *expr, *expr2;
1777 /* A name isn't sufficient to identify a subroutine, we need the actual
1778 symbol for the interface definition.
1779 const char *sub_name; */
1780 gfc_symbol *resolved_sym;
1784 gfc_actual_arglist *actual;
1785 gfc_case *case_list;
1786 gfc_iterator *iterator;
1787 gfc_alloc *alloc_list;
1790 gfc_filepos *filepos;
1791 gfc_inquire *inquire;
1794 gfc_forall_iterator *forall_iterator;
1795 struct gfc_code *whichloop;
1797 gfc_entry_list *entry;
1798 gfc_omp_clauses *omp_clauses;
1799 const char *omp_name;
1800 gfc_namelist *omp_namelist;
1803 ext; /* Points to additional structures required by statement */
1805 /* Backend_decl is used for cycle and break labels in do loops, and
1806 probably for other constructs as well, once we translate them. */
1812 /* Storage for DATA statements. */
1813 typedef struct gfc_data_variable
1817 struct gfc_data_variable *list, *next;
1822 typedef struct gfc_data_value
1826 struct gfc_data_value *next;
1831 typedef struct gfc_data
1833 gfc_data_variable *var;
1834 gfc_data_value *value;
1837 struct gfc_data *next;
1842 /* Structure for holding compile options */
1846 gfc_source_form source_form;
1847 /* Maximum line lengths in fixed- and free-form source, respectively.
1848 When fixed_line_length or free_line_length are 0, the whole line is used,
1849 regardless of length.
1851 If the user requests a fixed_line_length <7 then gfc_init_options()
1852 emits a fatal error. */
1853 int fixed_line_length;
1854 int free_line_length;
1855 /* Maximum number of continuation lines in fixed- and free-form source,
1857 int max_continue_fixed;
1858 int max_continue_free;
1859 int max_identifier_length;
1860 int dump_parse_tree;
1864 int warn_conversion;
1865 int warn_implicit_interface;
1866 int warn_line_truncation;
1867 int warn_surprising;
1870 int warn_character_truncation;
1873 int flag_all_intrinsics;
1874 int flag_default_double;
1875 int flag_default_integer;
1876 int flag_default_real;
1878 int flag_underscoring;
1879 int flag_second_underscore;
1880 int flag_implicit_none;
1881 int flag_max_stack_var_size;
1882 int flag_range_check;
1883 int flag_pack_derived;
1884 int flag_repack_arrays;
1885 int flag_preprocessed;
1890 int flag_allow_leading_underscore;
1892 int flag_external_blas;
1893 int blas_matmul_limit;
1894 int flag_cray_pointer;
1898 int flag_module_private;
1900 int flag_init_local_zero;
1901 int flag_init_integer;
1902 int flag_init_integer_value;
1904 int flag_init_logical;
1905 int flag_init_character;
1906 char flag_init_character_value;
1912 int warn_nonstd_intrinsics;
1916 int max_subrecord_length;
1920 extern gfc_option_t gfc_option;
1922 /* Constructor nodes for array and structure constructors. */
1923 typedef struct gfc_constructor
1926 gfc_iterator *iterator;
1928 struct gfc_constructor *next;
1931 mpz_t offset; /* Record the offset of array element which appears in
1932 data statement like "data a(5)/4/". */
1933 gfc_component *component; /* Record the component being initialized. */
1936 mpz_t repeat; /* Record the repeat number of initial values in data
1937 statement like "data a/5*10/". */
1942 typedef struct iterator_stack
1944 gfc_symtree *variable;
1946 struct iterator_stack *prev;
1949 extern iterator_stack *iter_stack;
1952 /* Node in the linked list used for storing finalizer procedures. */
1954 typedef struct gfc_finalizer
1956 struct gfc_finalizer* next;
1957 gfc_symbol* procedure;
1958 locus where; /* Where the FINAL declaration occured. */
1962 /************************ Function prototypes *************************/
1965 bool gfc_in_match_data (void);
1968 void gfc_scanner_done_1 (void);
1969 void gfc_scanner_init_1 (void);
1971 void gfc_add_include_path (const char *, bool);
1972 void gfc_add_intrinsic_modules_path (const char *);
1973 void gfc_release_include_path (void);
1974 FILE *gfc_open_included_file (const char *, bool, bool);
1975 FILE *gfc_open_intrinsic_module (const char *);
1977 int gfc_at_end (void);
1978 int gfc_at_eof (void);
1979 int gfc_at_bol (void);
1980 int gfc_at_eol (void);
1981 void gfc_advance_line (void);
1982 int gfc_check_include (void);
1983 int gfc_define_undef_line (void);
1985 int gfc_wide_is_printable (gfc_char_t);
1986 int gfc_wide_is_digit (gfc_char_t);
1987 int gfc_wide_fits_in_byte (gfc_char_t);
1988 gfc_char_t gfc_wide_tolower (gfc_char_t);
1989 gfc_char_t gfc_wide_toupper (gfc_char_t);
1990 size_t gfc_wide_strlen (const gfc_char_t *);
1991 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
1992 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
1993 char *gfc_widechar_to_char (const gfc_char_t *, int);
1994 gfc_char_t *gfc_char_to_widechar (const char *);
1996 #define gfc_get_wide_string(n) gfc_getmem((n) * sizeof(gfc_char_t))
1998 void gfc_skip_comments (void);
1999 gfc_char_t gfc_next_char_literal (int);
2000 gfc_char_t gfc_next_char (void);
2001 char gfc_next_ascii_char (void);
2002 gfc_char_t gfc_peek_char (void);
2003 char gfc_peek_ascii_char (void);
2004 void gfc_error_recovery (void);
2005 void gfc_gobble_whitespace (void);
2006 try gfc_new_file (void);
2007 const char * gfc_read_orig_filename (const char *, const char **);
2009 extern gfc_source_form gfc_current_form;
2010 extern const char *gfc_source_file;
2011 extern locus gfc_current_locus;
2013 void gfc_start_source_files (void);
2014 void gfc_end_source_files (void);
2017 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2018 void gfc_free (void *);
2019 int gfc_terminal_width (void);
2020 void gfc_clear_ts (gfc_typespec *);
2021 FILE *gfc_open_file (const char *);
2022 const char *gfc_basic_typename (bt);
2023 const char *gfc_typename (gfc_typespec *);
2024 const char *gfc_op2string (gfc_intrinsic_op);
2025 const char *gfc_code2string (const mstring *, int);
2026 int gfc_string2code (const mstring *, const char *);
2027 const char *gfc_intent_string (sym_intent);
2029 void gfc_init_1 (void);
2030 void gfc_init_2 (void);
2031 void gfc_done_1 (void);
2032 void gfc_done_2 (void);
2034 int get_c_kind (const char *, CInteropKind_t *);
2037 unsigned int gfc_init_options (unsigned int, const char **);
2038 int gfc_handle_option (size_t, const char *, int);
2039 bool gfc_post_options (const char **);
2042 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2046 typedef struct gfc_error_buf
2049 size_t allocated, index;
2053 void gfc_error_init_1 (void);
2054 void gfc_buffer_error (int);
2056 const char *gfc_print_wide_char (gfc_char_t);
2058 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2059 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2060 void gfc_clear_warning (void);
2061 void gfc_warning_check (void);
2063 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2064 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2065 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2066 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2067 void gfc_clear_error (void);
2068 int gfc_error_check (void);
2069 int gfc_error_flag_test (void);
2071 notification gfc_notification_std (int);
2072 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2074 /* A general purpose syntax error. */
2075 #define gfc_syntax_error(ST) \
2076 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2078 void gfc_push_error (gfc_error_buf *);
2079 void gfc_pop_error (gfc_error_buf *);
2080 void gfc_free_error (gfc_error_buf *);
2082 void gfc_get_errors (int *, int *);
2085 void gfc_arith_init_1 (void);
2086 void gfc_arith_done_1 (void);
2087 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2088 arith gfc_check_integer_range (mpz_t p, int kind);
2089 bool gfc_check_character_range (gfc_char_t, int);
2092 try gfc_validate_c_kind (gfc_typespec *);
2093 try gfc_check_any_c_kind (gfc_typespec *);
2094 int gfc_validate_kind (bt, int, bool);
2095 extern int gfc_index_integer_kind;
2096 extern int gfc_default_integer_kind;
2097 extern int gfc_max_integer_kind;
2098 extern int gfc_default_real_kind;
2099 extern int gfc_default_double_kind;
2100 extern int gfc_default_character_kind;
2101 extern int gfc_default_logical_kind;
2102 extern int gfc_default_complex_kind;
2103 extern int gfc_c_int_kind;
2104 extern int gfc_intio_kind;
2105 extern int gfc_charlen_int_kind;
2106 extern int gfc_numeric_storage_size;
2107 extern int gfc_character_storage_size;
2110 void gfc_clear_new_implicit (void);
2111 try gfc_add_new_implicit_range (int, int);
2112 try gfc_merge_new_implicit (gfc_typespec *);
2113 void gfc_set_implicit_none (void);
2114 void gfc_check_function_type (gfc_namespace *);
2115 bool gfc_is_intrinsic_typename (const char *);
2117 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
2118 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2120 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
2121 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
2123 void gfc_set_sym_referenced (gfc_symbol *);
2125 try gfc_add_attribute (symbol_attribute *, locus *);
2126 try gfc_add_allocatable (symbol_attribute *, locus *);
2127 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2128 try gfc_add_external (symbol_attribute *, locus *);
2129 try gfc_add_intrinsic (symbol_attribute *, locus *);
2130 try gfc_add_optional (symbol_attribute *, locus *);
2131 try gfc_add_pointer (symbol_attribute *, locus *);
2132 try gfc_add_cray_pointer (symbol_attribute *, locus *);
2133 try gfc_add_cray_pointee (symbol_attribute *, locus *);
2134 try gfc_mod_pointee_as (gfc_array_spec *);
2135 try gfc_add_protected (symbol_attribute *, const char *, locus *);
2136 try gfc_add_result (symbol_attribute *, const char *, locus *);
2137 try gfc_add_save (symbol_attribute *, const char *, locus *);
2138 try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2139 try gfc_add_saved_common (symbol_attribute *, locus *);
2140 try gfc_add_target (symbol_attribute *, locus *);
2141 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2142 try gfc_add_generic (symbol_attribute *, const char *, locus *);
2143 try gfc_add_common (symbol_attribute *, locus *);
2144 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2145 try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2146 try gfc_add_data (symbol_attribute *, const char *, locus *);
2147 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2148 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2149 try gfc_add_elemental (symbol_attribute *, locus *);
2150 try gfc_add_pure (symbol_attribute *, locus *);
2151 try gfc_add_recursive (symbol_attribute *, locus *);
2152 try gfc_add_function (symbol_attribute *, const char *, locus *);
2153 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2154 try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2155 try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2157 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2158 try gfc_add_is_bind_c(symbol_attribute *, const char *, locus *, int);
2159 try gfc_add_value (symbol_attribute *, const char *, locus *);
2160 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2161 try gfc_add_entry (symbol_attribute *, const char *, locus *);
2162 try gfc_add_procedure (symbol_attribute *, procedure_type,
2163 const char *, locus *);
2164 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2165 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2166 gfc_formal_arglist *, locus *);
2167 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2169 void gfc_clear_attr (symbol_attribute *);
2170 try gfc_missing_attr (symbol_attribute *, locus *);
2171 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2173 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2174 gfc_symbol *gfc_use_derived (gfc_symbol *);
2175 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2176 gfc_component *gfc_find_component (gfc_symbol *, const char *);
2178 gfc_st_label *gfc_get_st_label (int);
2179 void gfc_free_st_label (gfc_st_label *);
2180 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2181 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2183 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2185 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2186 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2187 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2188 void gfc_delete_symtree (gfc_symtree **, const char *);
2189 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2190 gfc_user_op *gfc_get_uop (const char *);
2191 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2192 void gfc_free_symbol (gfc_symbol *);
2193 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2194 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2195 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2196 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2197 try verify_c_interop (gfc_typespec *, const char *name, locus *where);
2198 try verify_c_interop_param (gfc_symbol *);
2199 try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2200 try verify_bind_c_derived_type (gfc_symbol *);
2201 try verify_com_block_vars_c_interop (gfc_common_head *);
2202 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2203 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2204 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2205 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2206 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2208 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2210 void gfc_undo_symbols (void);
2211 void gfc_commit_symbols (void);
2212 void gfc_commit_symbol (gfc_symbol *);
2213 void gfc_free_namespace (gfc_namespace *);
2215 void gfc_symbol_init_2 (void);
2216 void gfc_symbol_done_2 (void);
2218 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2219 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2220 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2221 void gfc_save_all (gfc_namespace *);
2223 void gfc_symbol_state (void);
2225 gfc_gsymbol *gfc_get_gsymbol (const char *);
2226 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2228 void copy_formal_args (gfc_symbol *dest, gfc_symbol *src);
2230 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2233 extern int gfc_init_expr;
2235 /* Given a symbol that we have decided is intrinsic, mark it as such
2236 by placing it into a special module that is otherwise impossible to
2239 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2241 void gfc_intrinsic_init_1 (void);
2242 void gfc_intrinsic_done_1 (void);
2244 char gfc_type_letter (bt);
2245 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2246 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2247 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2248 try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2249 int gfc_generic_intrinsic (const char *);
2250 int gfc_specific_intrinsic (const char *);
2251 int gfc_intrinsic_name (const char *, int);
2252 int gfc_intrinsic_actual_ok (const char *, const bool);
2253 gfc_intrinsic_sym *gfc_find_function (const char *);
2254 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2256 match gfc_intrinsic_func_interface (gfc_expr *, int);
2257 match gfc_intrinsic_sub_interface (gfc_code *, int);
2259 /* match.c -- FIXME */
2260 void gfc_free_iterator (gfc_iterator *, int);
2261 void gfc_free_forall_iterator (gfc_forall_iterator *);
2262 void gfc_free_alloc_list (gfc_alloc *);
2263 void gfc_free_namelist (gfc_namelist *);
2264 void gfc_free_equiv (gfc_equiv *);
2265 void gfc_free_data (gfc_data *);
2266 void gfc_free_case_list (gfc_case *);
2268 /* matchexp.c -- FIXME too? */
2269 gfc_expr *gfc_get_parentheses (gfc_expr *);
2272 void gfc_free_omp_clauses (gfc_omp_clauses *);
2273 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2274 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2275 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2276 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2279 void gfc_free_actual_arglist (gfc_actual_arglist *);
2280 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2281 const char *gfc_extract_int (gfc_expr *, int *);
2282 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2283 bool is_subref_array (gfc_expr *);
2285 gfc_expr *gfc_build_conversion (gfc_expr *);
2286 void gfc_free_ref_list (gfc_ref *);
2287 void gfc_type_convert_binary (gfc_expr *);
2288 int gfc_is_constant_expr (gfc_expr *);
2289 try gfc_simplify_expr (gfc_expr *, int);
2290 int gfc_has_vector_index (gfc_expr *);
2292 gfc_expr *gfc_get_expr (void);
2293 void gfc_free_expr (gfc_expr *);
2294 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2295 gfc_expr *gfc_int_expr (int);
2296 gfc_expr *gfc_logical_expr (int, locus *);
2297 mpz_t *gfc_copy_shape (mpz_t *, int);
2298 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2299 gfc_expr *gfc_copy_expr (gfc_expr *);
2301 try gfc_specification_expr (gfc_expr *);
2303 int gfc_numeric_ts (gfc_typespec *);
2304 int gfc_kind_max (gfc_expr *, gfc_expr *);
2306 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2307 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2308 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2309 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2311 gfc_expr *gfc_default_initializer (gfc_typespec *);
2312 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2314 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2315 bool (*)(gfc_expr *, gfc_symbol *, int*),
2317 void gfc_expr_set_symbols_referenced (gfc_expr *);
2320 extern gfc_code new_st;
2322 void gfc_clear_new_st (void);
2323 gfc_code *gfc_get_code (void);
2324 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2325 void gfc_free_statement (gfc_code *);
2326 void gfc_free_statements (gfc_code *);
2329 try gfc_resolve_expr (gfc_expr *);
2330 void gfc_resolve (gfc_namespace *);
2331 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2332 int gfc_impure_variable (gfc_symbol *);
2333 int gfc_pure (gfc_symbol *);
2334 int gfc_elemental (gfc_symbol *);
2335 try gfc_resolve_iterator (gfc_iterator *, bool);
2336 try find_forall_index (gfc_expr *, gfc_symbol *, int);
2337 try gfc_resolve_index (gfc_expr *, int);
2338 try gfc_resolve_dim_arg (gfc_expr *);
2339 int gfc_is_formal_arg (void);
2340 void gfc_resolve_substring_charlen (gfc_expr *);
2341 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2345 void gfc_free_array_spec (gfc_array_spec *);
2346 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2348 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2349 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2350 try gfc_resolve_array_spec (gfc_array_spec *, int);
2352 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2354 gfc_expr *gfc_start_constructor (bt, int, locus *);
2355 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2356 void gfc_free_constructor (gfc_constructor *);
2357 void gfc_simplify_iterator_var (gfc_expr *);
2358 try gfc_expand_constructor (gfc_expr *);
2359 int gfc_constant_ac (gfc_expr *);
2360 int gfc_expanded_ac (gfc_expr *);
2361 void gfc_resolve_character_array_constructor (gfc_expr *);
2362 try gfc_resolve_array_constructor (gfc_expr *);
2363 try gfc_check_constructor_type (gfc_expr *);
2364 try gfc_check_iter_variable (gfc_expr *);
2365 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
2366 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2367 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2368 try gfc_array_size (gfc_expr *, mpz_t *);
2369 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2370 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2371 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2372 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2373 gfc_constructor *gfc_get_constructor (void);
2374 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2375 try spec_size (gfc_array_spec *, mpz_t *);
2376 try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2377 int gfc_is_compile_time_shape (gfc_array_spec *);
2379 /* interface.c -- FIXME: some of these should be in symbol.c */
2380 void gfc_free_interface (gfc_interface *);
2381 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2382 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2383 void gfc_check_interfaces (gfc_namespace *);
2384 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2385 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2386 gfc_actual_arglist **);
2387 try gfc_extend_expr (gfc_expr *);
2388 void gfc_free_formal_arglist (gfc_formal_arglist *);
2389 try gfc_extend_assign (gfc_code *, gfc_namespace *);
2390 try gfc_add_interface (gfc_symbol *);
2391 gfc_interface *gfc_current_interface_head (void);
2392 void gfc_set_current_interface_head (gfc_interface *);
2395 extern gfc_st_label format_asterisk;
2397 void gfc_free_open (gfc_open *);
2398 try gfc_resolve_open (gfc_open *);
2399 void gfc_free_close (gfc_close *);
2400 try gfc_resolve_close (gfc_close *);
2401 void gfc_free_filepos (gfc_filepos *);
2402 try gfc_resolve_filepos (gfc_filepos *);
2403 void gfc_free_inquire (gfc_inquire *);
2404 try gfc_resolve_inquire (gfc_inquire *);
2405 void gfc_free_dt (gfc_dt *);
2406 try gfc_resolve_dt (gfc_dt *);
2407 void gfc_free_wait (gfc_wait *);
2408 try gfc_resolve_wait (gfc_wait *);
2411 void gfc_module_init_2 (void);
2412 void gfc_module_done_2 (void);
2413 void gfc_dump_module (const char *, int);
2414 bool gfc_check_access (gfc_access, gfc_access);
2417 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2418 symbol_attribute gfc_expr_attr (gfc_expr *);
2419 match gfc_match_rvalue (gfc_expr **);
2420 int gfc_check_digit (char, int);
2423 void gfc_generate_code (gfc_namespace *);
2424 void gfc_generate_module_code (gfc_namespace *);
2427 typedef int (*compare_fn) (void *, void *);
2428 void gfc_insert_bbt (void *, void *, compare_fn);
2429 void gfc_delete_bbt (void *, void *, compare_fn);
2431 /* dump-parse-tree.c */
2432 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2435 try gfc_parse_file (void);
2436 void gfc_global_used (gfc_gsymbol *, locus *);
2439 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2441 #endif /* GCC_GFORTRAN_H */