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 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_OMP_TASK, ST_OMP_END_TASK,
232 ST_OMP_TASKWAIT, ST_PROCEDURE,
233 ST_GET_FCN_CHARACTERISTICS, ST_NONE
238 /* Types of interfaces that we can have. Assignment interfaces are
239 considered to be intrinsic operators. */
242 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
243 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT
247 /* Symbol flavors: these are all mutually exclusive.
248 10 elements = 4 bits. */
249 typedef enum sym_flavor
251 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
252 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST,
257 /* Procedure types. 7 elements = 3 bits. */
258 typedef enum procedure_type
259 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
260 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
265 typedef enum sym_intent
266 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
271 typedef enum gfc_access
272 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
276 /* Flags to keep track of where an interface came from.
277 4 elements = 2 bits. */
279 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
283 /* Whether a SAVE attribute was set explicitly or implicitly. */
284 typedef enum save_state
285 { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
289 /* Strings for all symbol attributes. We use these for dumping the
290 parse tree, in error messages, and also when reading and writing
291 modules. In symbol.c. */
292 extern const mstring flavors[];
293 extern const mstring procedures[];
294 extern const mstring intents[];
295 extern const mstring access_types[];
296 extern const mstring ifsrc_types[];
297 extern const mstring save_status[];
299 /* Enumeration of all the generic intrinsic functions. Used by the
300 backend for identification of a function. */
304 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
305 the backend (e.g. KIND). */
336 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
346 GFC_ISYM_DATE_AND_TIME,
350 GFC_ISYM_DOT_PRODUCT,
357 GFC_ISYM_ERFC_SCALED,
378 GFC_ISYM_GET_COMMAND,
379 GFC_ISYM_GET_COMMAND_ARGUMENT,
382 GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
408 GFC_ISYM_IS_IOSTAT_END,
409 GFC_ISYM_IS_IOSTAT_EOR,
439 GFC_ISYM_MAXEXPONENT,
446 GFC_ISYM_MINEXPONENT,
466 GFC_ISYM_RANDOM_NUMBER,
467 GFC_ISYM_RANDOM_SEED,
480 GFC_ISYM_SET_EXPONENT,
500 GFC_ISYM_SYSTEM_CLOCK,
520 typedef enum gfc_isym_id gfc_isym_id;
525 GFC_INIT_REAL_OFF = 0,
529 GFC_INIT_REAL_NEG_INF
535 GFC_INIT_LOGICAL_OFF = 0,
536 GFC_INIT_LOGICAL_FALSE,
537 GFC_INIT_LOGICAL_TRUE
543 GFC_INIT_CHARACTER_OFF = 0,
544 GFC_INIT_CHARACTER_ON
546 init_local_character;
550 GFC_INIT_INTEGER_OFF = 0,
555 /************************* Structures *****************************/
557 /* Used for keeping things in balanced binary trees. */
558 #define BBT_HEADER(self) int priority; struct self *left, *right
560 #define NAMED_INTCST(a,b,c,d) a,
563 ISOFORTRANENV_INVALID = -1,
564 #include "iso-fortran-env.def"
565 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
567 iso_fortran_env_symbol;
570 #define NAMED_INTCST(a,b,c,d) a,
571 #define NAMED_REALCST(a,b,c) a,
572 #define NAMED_CMPXCST(a,b,c) a,
573 #define NAMED_LOGCST(a,b,c) a,
574 #define NAMED_CHARKNDCST(a,b,c) a,
575 #define NAMED_CHARCST(a,b,c) a,
576 #define DERIVED_TYPE(a,b,c) a,
577 #define PROCEDURE(a,b) a,
580 ISOCBINDING_INVALID = -1,
581 #include "iso-c-binding.def"
583 ISOCBINDING_NUMBER = ISOCBINDING_LAST
585 iso_c_binding_symbol;
590 #undef NAMED_CHARKNDCST
597 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING
603 char name[GFC_MAX_SYMBOL_LEN + 1];
604 int value; /* Used for both integer and character values. */
609 /* Array of structs, where the structs represent the C interop kinds.
610 The list will be implemented based on a hash of the kind name since
611 these could be accessed multiple times.
612 Declared in trans-types.c as a global, since it's in that file
613 that the list is initialized. */
614 extern CInteropKind_t c_interop_kinds_table[];
616 /* Symbol attribute structure. */
619 /* Variable attributes. */
620 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
621 optional:1, pointer:1, target:1, value:1, volatile_:1,
622 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
623 implied_index:1, subref_array_pointer:1, proc_pointer:1;
625 ENUM_BITFIELD (save_state) save:2;
627 unsigned data:1, /* Symbol is named in a DATA statement. */
628 is_protected:1, /* Symbol has been marked as protected. */
629 use_assoc:1, /* Symbol has been use-associated. */
630 use_only:1, /* Symbol has been use-associated, with ONLY. */
631 use_rename:1, /* Symbol has been use-associated and renamed. */
632 imported:1; /* Symbol has been associated by IMPORT. */
634 unsigned in_namelist:1, in_common:1, in_equivalence:1;
635 unsigned function:1, subroutine:1, procedure:1;
636 unsigned generic:1, generic_copy:1;
637 unsigned implicit_type:1; /* Type defined via implicit rules. */
638 unsigned untyped:1; /* No implicit type could be found. */
640 unsigned is_bind_c:1; /* say if is bound to C */
642 /* These flags are both in the typespec and attribute. The attribute
643 list is what gets read from/written to a module file. The typespec
644 is created from a decl being processed. */
645 unsigned is_c_interop:1; /* It's c interoperable. */
646 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
648 /* Function/subroutine attributes */
649 unsigned sequence:1, elemental:1, pure:1, recursive:1;
650 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
652 /* This is set if the subroutine doesn't return. Currently, this
653 is only possible for intrinsic subroutines. */
656 /* Set if this procedure is an alternate entry point. These procedures
657 don't have any code associated, and the backend will turn them into
658 thunks to the master function. */
661 /* Set if this is the master function for a procedure with multiple
663 unsigned entry_master:1;
665 /* Set if this is the master function for a function with multiple
666 entry points where characteristics of the entry points differ. */
667 unsigned mixed_entry_master:1;
669 /* Set if a function must always be referenced by an explicit interface. */
670 unsigned always_explicit:1;
672 /* Set if the symbol has been referenced in an expression. No further
673 modification of type or type parameters is permitted. */
674 unsigned referenced:1;
676 /* Set if the symbol has ambiguous interfaces. */
677 unsigned ambiguous_interfaces:1;
679 /* Set if this is the symbol for the main program. */
680 unsigned is_main_program:1;
682 /* Mutually exclusive multibit attributes. */
683 ENUM_BITFIELD (gfc_access) access:2;
684 ENUM_BITFIELD (sym_intent) intent:2;
685 ENUM_BITFIELD (sym_flavor) flavor:4;
686 ENUM_BITFIELD (ifsrc) if_source:2;
688 ENUM_BITFIELD (procedure_type) proc:3;
690 /* Special attributes for Cray pointers, pointees. */
691 unsigned cray_pointer:1, cray_pointee:1;
693 /* The symbol is a derived type with allocatable components, pointer
694 components or private components, possibly nested. zero_comp
695 is true if the derived type has no component at all. */
696 unsigned alloc_comp:1, pointer_comp:1, private_comp:1, zero_comp:1;
698 /* The namespace where the VOLATILE attribute has been set. */
699 struct gfc_namespace *volatile_ns;
704 /* We need to store source lines as sequences of multibyte source
705 characters. We define here a type wide enough to hold any multibyte
706 source character, just like libcpp does. A 32-bit type is enough. */
708 #if HOST_BITS_PER_INT >= 32
709 typedef unsigned int gfc_char_t;
710 #elif HOST_BITS_PER_LONG >= 32
711 typedef unsigned long gfc_char_t;
712 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
713 typedef unsigned long long gfc_char_t;
715 # error "Cannot find an integer type with at least 32 bits"
719 /* The following three structures are used to identify a location in
722 gfc_file is used to maintain a tree of the source files and how
723 they include each other
725 gfc_linebuf holds a single line of source code and information
726 which file it resides in
728 locus point to the sourceline and the character in the source
732 typedef struct gfc_file
734 struct gfc_file *next, *up;
735 int inclusion_line, line;
739 typedef struct gfc_linebuf
741 source_location location;
742 struct gfc_file *file;
743 struct gfc_linebuf *next;
751 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
753 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
761 /* In order for the "gfc" format checking to work correctly, you must
762 have declared a typedef locus first. */
763 #if GCC_VERSION >= 4001
764 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
766 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
770 extern int gfc_suppress_error;
773 /* Character length structures hold the expression that gives the
774 length of a character variable. We avoid putting these into
775 gfc_typespec because doing so prevents us from doing structure
776 copies and forces us to deallocate any typespecs we create, as well
777 as structures that contain typespecs. They also can have multiple
778 character typespecs pointing to them.
780 These structures form a singly linked list within the current
781 namespace and are deallocated with the namespace. It is possible to
782 end up with gfc_charlen structures that have nothing pointing to them. */
784 typedef struct gfc_charlen
786 struct gfc_expr *length;
787 struct gfc_charlen *next;
788 bool length_from_typespec; /* Length from explicit array ctor typespec? */
795 #define gfc_get_charlen() XCNEW (gfc_charlen)
797 /* Type specification structure. FIXME: derived and cl could be union??? */
802 struct gfc_symbol *derived;
803 gfc_charlen *cl; /* For character types only. */
804 struct gfc_symbol *interface; /* For PROCEDURE declarations. */
811 /* Array specification. */
814 int rank; /* A rank of zero means that a variable is a scalar. */
816 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
818 /* These two fields are used with the Cray Pointer extension. */
819 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
820 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
821 AS_EXPLICIT, but we want to remember that we
827 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
830 /* Components of derived types. */
831 typedef struct gfc_component
836 int pointer, allocatable, dimension;
842 struct gfc_expr *initializer;
843 struct gfc_component *next;
847 #define gfc_get_component() XCNEW (gfc_component)
849 /* Formal argument lists are lists of symbols. */
850 typedef struct gfc_formal_arglist
852 /* Symbol representing the argument at this position in the arglist. */
853 struct gfc_symbol *sym;
854 /* Points to the next formal argument. */
855 struct gfc_formal_arglist *next;
859 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
862 /* The gfc_actual_arglist structure is for actual arguments. */
863 typedef struct gfc_actual_arglist
866 /* Alternate return label when the expr member is null. */
867 struct gfc_st_label *label;
869 /* This is set to the type of an eventual omitted optional
870 argument. This is used to determine if a hidden string length
871 argument has to be added to a function call. */
874 struct gfc_expr *expr;
875 struct gfc_actual_arglist *next;
879 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
882 /* Because a symbol can belong to multiple namelists, they must be
883 linked externally to the symbol itself. */
884 typedef struct gfc_namelist
886 struct gfc_symbol *sym;
887 struct gfc_namelist *next;
891 #define gfc_get_namelist() XCNEW (gfc_namelist)
896 OMP_LIST_FIRSTPRIVATE,
897 OMP_LIST_LASTPRIVATE,
898 OMP_LIST_COPYPRIVATE,
902 OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS,
914 OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR,
918 /* Because a symbol can belong to multiple namelists, they must be
919 linked externally to the symbol itself. */
920 typedef struct gfc_omp_clauses
922 struct gfc_expr *if_expr;
923 struct gfc_expr *num_threads;
924 gfc_namelist *lists[OMP_LIST_NUM];
934 struct gfc_expr *chunk_size;
941 OMP_DEFAULT_FIRSTPRIVATE
944 bool nowait, ordered, untied;
948 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
951 /* The gfc_st_label structure is a doubly linked list attached to a
952 namespace that records the usage of statement labels within that
954 /* TODO: Make format/statement specifics a union. */
955 typedef struct gfc_st_label
957 BBT_HEADER(gfc_st_label);
961 gfc_sl_type defined, referenced;
963 struct gfc_expr *format;
972 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
973 typedef struct gfc_interface
975 struct gfc_symbol *sym;
977 struct gfc_interface *next;
981 #define gfc_get_interface() XCNEW (gfc_interface)
983 /* User operator nodes. These are like stripped down symbols. */
989 struct gfc_namespace *ns;
994 /* Symbol nodes. These are important things. They are what the
995 standard refers to as "entities". The possibly multiple names that
996 refer to the same entity are accomplished by a binary tree of
997 symtree structures that is balanced by the red-black method-- more
998 than one symtree node can point to any given symbol. */
1000 typedef struct gfc_symbol
1002 const char *name; /* Primary name, before renaming */
1003 const char *module; /* Module this symbol came from */
1007 symbol_attribute attr;
1009 /* The formal member points to the formal argument list if the
1010 symbol is a function or subroutine name. If the symbol is a
1011 generic name, the generic member points to the list of
1014 gfc_interface *generic;
1015 gfc_access component_access;
1017 gfc_formal_arglist *formal;
1018 struct gfc_namespace *formal_ns;
1020 /* The namespace containing type-associated procedure symbols. */
1021 /* TODO: Make this union with formal? */
1022 struct gfc_namespace *f2k_derived;
1024 struct gfc_expr *value; /* Parameter/Initializer value */
1026 struct gfc_symbol *result; /* function result symbol */
1027 gfc_component *components; /* Derived type components */
1029 /* Defined only for Cray pointees; points to their pointer. */
1030 struct gfc_symbol *cp_pointer;
1032 struct gfc_symbol *common_next; /* Links for COMMON syms */
1034 /* This is in fact a gfc_common_head but it is only used for pointer
1035 comparisons to check if symbols are in the same common block. */
1036 struct gfc_common_head* common_head;
1038 /* Make sure setup code for dummy arguments is generated in the correct
1044 gfc_namelist *namelist, *namelist_tail;
1046 /* Change management fields. Symbols that might be modified by the
1047 current statement have the mark member nonzero and are kept in a
1048 singly linked list through the tlink field. Of these symbols,
1049 symbols with old_symbol equal to NULL are symbols created within
1050 the current statement. Otherwise, old_symbol points to a copy of
1053 struct gfc_symbol *old_symbol, *tlink;
1054 unsigned mark:1, gfc_new:1;
1055 /* Nonzero if all equivalences associated with this symbol have been
1057 unsigned equiv_built:1;
1058 /* Set if this variable is used as an index name in a FORALL. */
1059 unsigned forall_index:1;
1061 struct gfc_namespace *ns; /* namespace containing this symbol */
1065 /* Identity of the intrinsic module the symbol comes from, or
1066 INTMOD_NONE if it's not imported from a intrinsic module. */
1067 intmod_id from_intmod;
1068 /* Identity of the symbol from intrinsic modules, from enums maintained
1069 separately by each intrinsic module. Used together with from_intmod,
1070 it uniquely identifies a symbol from an intrinsic module. */
1073 /* This may be repetitive, since the typespec now has a binding
1075 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1076 /* Store a reference to the common_block, if this symbol is in one. */
1077 struct gfc_common_head *common_block;
1082 /* This structure is used to keep track of symbols in common blocks. */
1083 typedef struct gfc_common_head
1086 char use_assoc, saved, threadprivate;
1087 char name[GFC_MAX_SYMBOL_LEN + 1];
1088 struct gfc_symbol *head;
1089 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1094 #define gfc_get_common_head() XCNEW (gfc_common_head)
1097 /* A list of all the alternate entry points for a procedure. */
1099 typedef struct gfc_entry_list
1101 /* The symbol for this entry point. */
1103 /* The zero-based id of this entry point. */
1105 /* The LABEL_EXPR marking this entry point. */
1107 /* The nest item in the list. */
1108 struct gfc_entry_list *next;
1112 #define gfc_get_entry_list() \
1113 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1115 /* Within a namespace, symbols are pointed to by symtree nodes that
1116 are linked together in a balanced binary tree. There can be
1117 several symtrees pointing to the same symbol node via USE
1120 typedef struct gfc_symtree
1122 BBT_HEADER (gfc_symtree);
1127 gfc_symbol *sym; /* Symbol associated with this node */
1129 gfc_common_head *common;
1136 /* A linked list of derived types in the namespace. */
1137 typedef struct gfc_dt_list
1139 struct gfc_symbol *derived;
1140 struct gfc_dt_list *next;
1144 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1146 /* A list of all derived types. */
1147 extern gfc_dt_list *gfc_derived_types;
1149 /* A namespace describes the contents of procedure, module or
1151 /* ??? Anything else use these? */
1153 typedef struct gfc_namespace
1155 /* Tree containing all the symbols in this namespace. */
1156 gfc_symtree *sym_root;
1157 /* Tree containing all the user-defined operators in the namespace. */
1158 gfc_symtree *uop_root;
1159 /* Tree containing all the common blocks. */
1160 gfc_symtree *common_root;
1161 /* Linked list of finalizer procedures. */
1162 struct gfc_finalizer *finalizers;
1164 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1165 int set_flag[GFC_LETTERS];
1166 /* Keeps track of the implicit types associated with the letters. */
1167 gfc_typespec default_type[GFC_LETTERS];
1169 /* If this is a namespace of a procedure, this points to the procedure. */
1170 struct gfc_symbol *proc_name;
1171 /* If this is the namespace of a unit which contains executable
1172 code, this points to it. */
1173 struct gfc_code *code;
1175 /* Points to the equivalences set up in this namespace. */
1176 struct gfc_equiv *equiv;
1178 /* Points to the equivalence groups produced by trans_common. */
1179 struct gfc_equiv_list *equiv_lists;
1181 gfc_interface *op[GFC_INTRINSIC_OPS];
1183 /* Points to the parent namespace, i.e. the namespace of a module or
1184 procedure in which the procedure belonging to this namespace is
1185 contained. The parent namespace points to this namespace either
1186 directly via CONTAINED, or indirectly via the chain built by
1188 struct gfc_namespace *parent;
1189 /* CONTAINED points to the first contained namespace. Sibling
1190 namespaces are chained via SIBLING. */
1191 struct gfc_namespace *contained, *sibling;
1193 gfc_common_head blank_common;
1194 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1196 gfc_st_label *st_labels;
1197 /* This list holds information about all the data initializers in
1199 struct gfc_data *data;
1201 gfc_charlen *cl_list;
1203 int save_all, seen_save, seen_implicit_none;
1205 /* Normally we don't need to refcount namespaces. However when we read
1206 a module containing a function with multiple entry points, this
1207 will appear as several functions with the same formal namespace. */
1210 /* A list of all alternate entry points to this procedure (or NULL). */
1211 gfc_entry_list *entries;
1213 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1216 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1221 extern gfc_namespace *gfc_current_ns;
1223 /* Global symbols are symbols of global scope. Currently we only use
1224 this to detect collisions already when parsing.
1225 TODO: Extend to verify procedure calls. */
1227 typedef struct gfc_gsymbol
1229 BBT_HEADER(gfc_gsymbol);
1232 const char *sym_name;
1233 const char *mod_name;
1234 const char *binding_label;
1235 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1236 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1243 extern gfc_gsymbol *gfc_gsym_root;
1245 /* Information on interfaces being built. */
1248 interface_type type;
1252 gfc_intrinsic_op op;
1256 extern gfc_interface_info current_interface;
1259 /* Array reference. */
1260 typedef struct gfc_array_ref
1263 int dimen; /* # of components in the reference */
1267 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1268 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1269 *stride[GFC_MAX_DIMENSIONS];
1272 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1273 dimen_type[GFC_MAX_DIMENSIONS];
1275 struct gfc_expr *offset;
1279 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1282 /* Component reference nodes. A variable is stored as an expression
1283 node that points to the base symbol. After that, a singly linked
1284 list of component reference nodes gives the variable's complete
1285 resolution. The array_ref component may be present and comes
1286 before the component component. */
1289 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1292 typedef struct gfc_ref
1298 struct gfc_array_ref ar;
1302 gfc_component *component;
1309 struct gfc_expr *start, *end; /* Substring */
1310 gfc_charlen *length;
1317 struct gfc_ref *next;
1321 #define gfc_get_ref() XCNEW (gfc_ref)
1324 /* Structures representing intrinsic symbols and their arguments lists. */
1325 typedef struct gfc_intrinsic_arg
1327 char name[GFC_MAX_SYMBOL_LEN + 1];
1331 gfc_actual_arglist *actual;
1333 struct gfc_intrinsic_arg *next;
1339 /* Specifies the various kinds of check functions used to verify the
1340 argument lists of intrinsic functions. fX with X an integer refer
1341 to check functions of intrinsics with X arguments. f1m is used for
1342 the MAX and MIN intrinsics which can have an arbitrary number of
1343 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1344 these have special semantics. */
1348 gfc_try (*f0)(void);
1349 gfc_try (*f1)(struct gfc_expr *);
1350 gfc_try (*f1m)(gfc_actual_arglist *);
1351 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1352 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1353 gfc_try (*f3ml)(gfc_actual_arglist *);
1354 gfc_try (*f3red)(gfc_actual_arglist *);
1355 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1357 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1358 struct gfc_expr *, struct gfc_expr *);
1362 /* Like gfc_check_f, these specify the type of the simplification
1363 function associated with an intrinsic. The fX are just like in
1364 gfc_check_f. cc is used for type conversion functions. */
1368 struct gfc_expr *(*f0)(void);
1369 struct gfc_expr *(*f1)(struct gfc_expr *);
1370 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1371 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1373 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1374 struct gfc_expr *, struct gfc_expr *);
1375 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1376 struct gfc_expr *, struct gfc_expr *,
1378 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1382 /* Again like gfc_check_f, these specify the type of the resolution
1383 function associated with an intrinsic. The fX are just like in
1384 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1388 void (*f0)(struct gfc_expr *);
1389 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1390 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1391 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1392 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1394 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1395 struct gfc_expr *, struct gfc_expr *);
1396 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1397 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1398 void (*s1)(struct gfc_code *);
1403 typedef struct gfc_intrinsic_sym
1405 const char *name, *lib_name;
1406 gfc_intrinsic_arg *formal;
1408 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1409 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1413 gfc_simplify_f simplify;
1415 gfc_resolve_f resolve;
1416 struct gfc_intrinsic_sym *specific_head, *next;
1423 /* Expression nodes. The expression node types deserve explanations,
1424 since the last couple can be easily misconstrued:
1426 EXPR_OP Operator node pointing to one or two other nodes
1427 EXPR_FUNCTION Function call, symbol points to function's name
1428 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1429 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1430 which expresses structure, array and substring refs.
1431 EXPR_NULL The NULL pointer value (which also has a basic type).
1432 EXPR_SUBSTRING A substring of a constant string
1433 EXPR_STRUCTURE A structure constructor
1434 EXPR_ARRAY An array constructor. */
1438 #define GFC_RND_MODE GMP_RNDN
1440 typedef struct gfc_expr
1444 gfc_typespec ts; /* These two refer to the overall expression */
1447 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1449 /* Nonnull for functions and structure constructors */
1450 gfc_symtree *symtree;
1456 /* True if the expression is a call to a function that returns an array,
1457 and if we have decided not to allocate temporary data for that array. */
1458 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
1460 /* Used to quickly find a given constructor by its offset. */
1461 splay_tree con_by_offset;
1463 /* If an expression comes from a Hollerith constant or compile-time
1464 evaluation of a transfer statement, it may have a prescribed target-
1465 memory representation, and these cannot always be backformed from
1492 gfc_intrinsic_op op;
1494 struct gfc_expr *op1, *op2;
1500 gfc_actual_arglist *actual;
1501 const char *name; /* Points to the ultimate name of the function */
1502 gfc_intrinsic_sym *isym;
1514 struct gfc_constructor *constructor;
1522 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1524 /* Structures for information associated with different kinds of
1525 numbers. The first set of integer parameters define all there is
1526 to know about a particular kind. The rest of the elements are
1527 computed from the first elements. */
1531 /* Values really representable by the target. */
1532 mpz_t huge, pedantic_min_int, min_int;
1534 int kind, radix, digits, bit_size, range;
1536 /* True if the C type of the given name maps to this precision.
1537 Note that more than one bit can be set. */
1538 unsigned int c_char : 1;
1539 unsigned int c_short : 1;
1540 unsigned int c_int : 1;
1541 unsigned int c_long : 1;
1542 unsigned int c_long_long : 1;
1546 extern gfc_integer_info gfc_integer_kinds[];
1553 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1554 unsigned int c_bool : 1;
1558 extern gfc_logical_info gfc_logical_kinds[];
1563 mpfr_t epsilon, huge, tiny, subnormal;
1564 int kind, radix, digits, min_exponent, max_exponent;
1565 int range, precision;
1567 /* The precision of the type as reported by GET_MODE_PRECISION. */
1570 /* True if the C type of the given name maps to this precision.
1571 Note that more than one bit can be set. */
1572 unsigned int c_float : 1;
1573 unsigned int c_double : 1;
1574 unsigned int c_long_double : 1;
1578 extern gfc_real_info gfc_real_kinds[];
1587 extern gfc_character_info gfc_character_kinds[];
1590 /* Equivalence structures. Equivalent lvalues are linked along the
1591 *eq pointer, equivalence sets are strung along the *next node. */
1592 typedef struct gfc_equiv
1594 struct gfc_equiv *next, *eq;
1601 #define gfc_get_equiv() XCNEW (gfc_equiv)
1603 /* Holds a single equivalence member after processing. */
1604 typedef struct gfc_equiv_info
1607 HOST_WIDE_INT offset;
1608 HOST_WIDE_INT length;
1609 struct gfc_equiv_info *next;
1612 /* Holds equivalence groups, after they have been processed. */
1613 typedef struct gfc_equiv_list
1615 gfc_equiv_info *equiv;
1616 struct gfc_equiv_list *next;
1619 /* gfc_case stores the selector list of a case statement. The *low
1620 and *high pointers can point to the same expression in the case of
1621 a single value. If *high is NULL, the selection is from *low
1622 upwards, if *low is NULL the selection is *high downwards.
1624 This structure has separate fields to allow single and double linked
1625 lists of CASEs at the same time. The singe linked list along the NEXT
1626 field is a list of cases for a single CASE label. The double linked
1627 list along the LEFT/RIGHT fields is used to detect overlap and to
1628 build a table of the cases for SELECT constructs with a CHARACTER
1631 typedef struct gfc_case
1633 /* Where we saw this case. */
1637 /* Case range values. If (low == high), it's a single value. If one of
1638 the labels is NULL, it's an unbounded case. If both are NULL, this
1639 represents the default case. */
1640 gfc_expr *low, *high;
1642 /* Next case label in the list of cases for a single CASE label. */
1643 struct gfc_case *next;
1645 /* Used for detecting overlap, and for code generation. */
1646 struct gfc_case *left, *right;
1648 /* True if this case label can never be matched. */
1653 #define gfc_get_case() XCNEW (gfc_case)
1658 gfc_expr *var, *start, *end, *step;
1662 #define gfc_get_iterator() XCNEW (gfc_iterator)
1665 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1667 typedef struct gfc_alloc
1670 struct gfc_alloc *next;
1674 #define gfc_get_alloc() XCNEW (gfc_alloc)
1679 gfc_expr *unit, *file, *status, *access, *form, *recl,
1680 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1681 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1689 gfc_expr *unit, *status, *iostat, *iomsg;
1697 gfc_expr *unit, *iostat, *iomsg;
1705 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1706 *name, *access, *sequential, *direct, *form, *formatted,
1707 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1708 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1709 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1719 gfc_expr *unit, *iostat, *iomsg, *id;
1720 gfc_st_label *err, *end, *eor;
1727 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1728 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1729 *sign, *extra_comma;
1731 gfc_symbol *namelist;
1732 /* A format_label of `format_asterisk' indicates the "*" format */
1733 gfc_st_label *format_label;
1734 gfc_st_label *err, *end, *eor;
1736 locus eor_where, end_where, err_where;
1741 typedef struct gfc_forall_iterator
1743 gfc_expr *var, *start, *end, *stride;
1744 struct gfc_forall_iterator *next;
1746 gfc_forall_iterator;
1749 /* Executable statements that fill gfc_code structures. */
1752 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1753 EXEC_GOTO, EXEC_CALL, EXEC_ASSIGN_CALL, EXEC_RETURN, EXEC_ENTRY,
1754 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1755 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1756 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1757 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1758 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1759 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1760 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1761 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1762 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1763 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1764 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1765 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1766 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1770 typedef struct gfc_code
1774 struct gfc_code *block, *next;
1777 gfc_st_label *here, *label, *label2, *label3;
1778 gfc_symtree *symtree;
1779 gfc_expr *expr, *expr2;
1780 /* A name isn't sufficient to identify a subroutine, we need the actual
1781 symbol for the interface definition.
1782 const char *sub_name; */
1783 gfc_symbol *resolved_sym;
1787 gfc_actual_arglist *actual;
1788 gfc_case *case_list;
1789 gfc_iterator *iterator;
1790 gfc_alloc *alloc_list;
1793 gfc_filepos *filepos;
1794 gfc_inquire *inquire;
1797 gfc_forall_iterator *forall_iterator;
1798 struct gfc_code *whichloop;
1800 gfc_entry_list *entry;
1801 gfc_omp_clauses *omp_clauses;
1802 const char *omp_name;
1803 gfc_namelist *omp_namelist;
1806 ext; /* Points to additional structures required by statement */
1808 /* Backend_decl is used for cycle and break labels in do loops, and
1809 probably for other constructs as well, once we translate them. */
1815 /* Storage for DATA statements. */
1816 typedef struct gfc_data_variable
1820 struct gfc_data_variable *list, *next;
1825 typedef struct gfc_data_value
1829 struct gfc_data_value *next;
1834 typedef struct gfc_data
1836 gfc_data_variable *var;
1837 gfc_data_value *value;
1840 struct gfc_data *next;
1845 /* Structure for holding compile options */
1849 gfc_source_form source_form;
1850 /* Maximum line lengths in fixed- and free-form source, respectively.
1851 When fixed_line_length or free_line_length are 0, the whole line is used,
1852 regardless of length.
1854 If the user requests a fixed_line_length <7 then gfc_init_options()
1855 emits a fatal error. */
1856 int fixed_line_length;
1857 int free_line_length;
1858 /* Maximum number of continuation lines in fixed- and free-form source,
1860 int max_continue_fixed;
1861 int max_continue_free;
1862 int max_identifier_length;
1863 int dump_parse_tree;
1867 int warn_conversion;
1868 int warn_implicit_interface;
1869 int warn_line_truncation;
1870 int warn_surprising;
1873 int warn_intrinsic_shadow;
1874 int warn_intrinsics_std;
1875 int warn_character_truncation;
1876 int warn_array_temp;
1879 int flag_all_intrinsics;
1880 int flag_default_double;
1881 int flag_default_integer;
1882 int flag_default_real;
1884 int flag_underscoring;
1885 int flag_second_underscore;
1886 int flag_implicit_none;
1887 int flag_max_stack_var_size;
1888 int flag_range_check;
1889 int flag_pack_derived;
1890 int flag_repack_arrays;
1891 int flag_preprocessed;
1896 int flag_check_array_temporaries;
1897 int flag_allow_leading_underscore;
1899 int flag_external_blas;
1900 int blas_matmul_limit;
1901 int flag_cray_pointer;
1905 int flag_module_private;
1907 int flag_init_local_zero;
1908 int flag_init_integer;
1909 int flag_init_integer_value;
1911 int flag_init_logical;
1912 int flag_init_character;
1913 char flag_init_character_value;
1922 int max_subrecord_length;
1926 extern gfc_option_t gfc_option;
1928 /* Constructor nodes for array and structure constructors. */
1929 typedef struct gfc_constructor
1932 gfc_iterator *iterator;
1934 struct gfc_constructor *next;
1937 mpz_t offset; /* Record the offset of array element which appears in
1938 data statement like "data a(5)/4/". */
1939 gfc_component *component; /* Record the component being initialized. */
1942 mpz_t repeat; /* Record the repeat number of initial values in data
1943 statement like "data a/5*10/". */
1948 typedef struct iterator_stack
1950 gfc_symtree *variable;
1952 struct iterator_stack *prev;
1955 extern iterator_stack *iter_stack;
1958 /* Node in the linked list used for storing finalizer procedures. */
1960 typedef struct gfc_finalizer
1962 struct gfc_finalizer* next;
1963 gfc_symbol* procedure;
1964 locus where; /* Where the FINAL declaration occurred. */
1968 /************************ Function prototypes *************************/
1971 bool gfc_in_match_data (void);
1974 void gfc_scanner_done_1 (void);
1975 void gfc_scanner_init_1 (void);
1977 void gfc_add_include_path (const char *, bool);
1978 void gfc_add_intrinsic_modules_path (const char *);
1979 void gfc_release_include_path (void);
1980 FILE *gfc_open_included_file (const char *, bool, bool);
1981 FILE *gfc_open_intrinsic_module (const char *);
1983 int gfc_at_end (void);
1984 int gfc_at_eof (void);
1985 int gfc_at_bol (void);
1986 int gfc_at_eol (void);
1987 void gfc_advance_line (void);
1988 int gfc_check_include (void);
1989 int gfc_define_undef_line (void);
1991 int gfc_wide_is_printable (gfc_char_t);
1992 int gfc_wide_is_digit (gfc_char_t);
1993 int gfc_wide_fits_in_byte (gfc_char_t);
1994 gfc_char_t gfc_wide_tolower (gfc_char_t);
1995 gfc_char_t gfc_wide_toupper (gfc_char_t);
1996 size_t gfc_wide_strlen (const gfc_char_t *);
1997 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
1998 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
1999 char *gfc_widechar_to_char (const gfc_char_t *, int);
2000 gfc_char_t *gfc_char_to_widechar (const char *);
2002 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2004 void gfc_skip_comments (void);
2005 gfc_char_t gfc_next_char_literal (int);
2006 gfc_char_t gfc_next_char (void);
2007 char gfc_next_ascii_char (void);
2008 gfc_char_t gfc_peek_char (void);
2009 char gfc_peek_ascii_char (void);
2010 void gfc_error_recovery (void);
2011 void gfc_gobble_whitespace (void);
2012 gfc_try gfc_new_file (void);
2013 const char * gfc_read_orig_filename (const char *, const char **);
2015 extern gfc_source_form gfc_current_form;
2016 extern const char *gfc_source_file;
2017 extern locus gfc_current_locus;
2019 void gfc_start_source_files (void);
2020 void gfc_end_source_files (void);
2023 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2024 void gfc_free (void *);
2025 int gfc_terminal_width (void);
2026 void gfc_clear_ts (gfc_typespec *);
2027 FILE *gfc_open_file (const char *);
2028 const char *gfc_basic_typename (bt);
2029 const char *gfc_typename (gfc_typespec *);
2030 const char *gfc_op2string (gfc_intrinsic_op);
2031 const char *gfc_code2string (const mstring *, int);
2032 int gfc_string2code (const mstring *, const char *);
2033 const char *gfc_intent_string (sym_intent);
2035 void gfc_init_1 (void);
2036 void gfc_init_2 (void);
2037 void gfc_done_1 (void);
2038 void gfc_done_2 (void);
2040 int get_c_kind (const char *, CInteropKind_t *);
2043 unsigned int gfc_init_options (unsigned int, const char **);
2044 int gfc_handle_option (size_t, const char *, int);
2045 bool gfc_post_options (const char **);
2048 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2049 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2053 typedef struct gfc_error_buf
2056 size_t allocated, index;
2060 void gfc_error_init_1 (void);
2061 void gfc_buffer_error (int);
2063 const char *gfc_print_wide_char (gfc_char_t);
2065 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2066 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2067 void gfc_clear_warning (void);
2068 void gfc_warning_check (void);
2070 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2071 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2072 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2073 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2074 void gfc_clear_error (void);
2075 int gfc_error_check (void);
2076 int gfc_error_flag_test (void);
2078 notification gfc_notification_std (int);
2079 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2081 /* A general purpose syntax error. */
2082 #define gfc_syntax_error(ST) \
2083 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2085 void gfc_push_error (gfc_error_buf *);
2086 void gfc_pop_error (gfc_error_buf *);
2087 void gfc_free_error (gfc_error_buf *);
2089 void gfc_get_errors (int *, int *);
2092 void gfc_arith_init_1 (void);
2093 void gfc_arith_done_1 (void);
2094 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2095 arith gfc_check_integer_range (mpz_t p, int kind);
2096 bool gfc_check_character_range (gfc_char_t, int);
2099 gfc_try gfc_validate_c_kind (gfc_typespec *);
2100 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2101 int gfc_validate_kind (bt, int, bool);
2102 extern int gfc_index_integer_kind;
2103 extern int gfc_default_integer_kind;
2104 extern int gfc_max_integer_kind;
2105 extern int gfc_default_real_kind;
2106 extern int gfc_default_double_kind;
2107 extern int gfc_default_character_kind;
2108 extern int gfc_default_logical_kind;
2109 extern int gfc_default_complex_kind;
2110 extern int gfc_c_int_kind;
2111 extern int gfc_intio_kind;
2112 extern int gfc_charlen_int_kind;
2113 extern int gfc_numeric_storage_size;
2114 extern int gfc_character_storage_size;
2117 void gfc_clear_new_implicit (void);
2118 gfc_try gfc_add_new_implicit_range (int, int);
2119 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2120 void gfc_set_implicit_none (void);
2121 void gfc_check_function_type (gfc_namespace *);
2122 bool gfc_is_intrinsic_typename (const char *);
2124 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
2125 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2127 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
2128 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
2130 void gfc_set_sym_referenced (gfc_symbol *);
2132 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2133 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2134 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2135 gfc_try gfc_add_external (symbol_attribute *, locus *);
2136 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2137 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2138 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2139 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2140 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2141 gfc_try gfc_mod_pointee_as (gfc_array_spec *);
2142 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2143 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2144 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2145 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2146 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2147 gfc_try gfc_add_target (symbol_attribute *, locus *);
2148 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2149 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2150 gfc_try gfc_add_common (symbol_attribute *, locus *);
2151 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2152 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2153 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2154 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2155 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2156 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2157 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2158 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2159 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2160 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2161 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2162 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2164 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2165 gfc_try gfc_add_is_bind_c(symbol_attribute *, const char *, locus *, int);
2166 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2167 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2168 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2169 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2170 const char *, locus *);
2171 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2172 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2173 gfc_formal_arglist *, locus *);
2174 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2176 void gfc_clear_attr (symbol_attribute *);
2177 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2178 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2180 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2181 gfc_symbol *gfc_use_derived (gfc_symbol *);
2182 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2183 gfc_component *gfc_find_component (gfc_symbol *, const char *);
2185 gfc_st_label *gfc_get_st_label (int);
2186 void gfc_free_st_label (gfc_st_label *);
2187 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2188 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2190 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2192 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2193 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2194 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2195 void gfc_delete_symtree (gfc_symtree **, const char *);
2196 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2197 gfc_user_op *gfc_get_uop (const char *);
2198 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2199 void gfc_free_symbol (gfc_symbol *);
2200 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2201 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2202 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2203 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2204 gfc_try verify_c_interop (gfc_typespec *, const char *name, locus *where);
2205 gfc_try verify_c_interop_param (gfc_symbol *);
2206 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2207 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2208 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2209 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2210 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2211 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2212 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2213 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2215 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2217 void gfc_undo_symbols (void);
2218 void gfc_commit_symbols (void);
2219 void gfc_commit_symbol (gfc_symbol *);
2220 void gfc_free_namespace (gfc_namespace *);
2222 void gfc_symbol_init_2 (void);
2223 void gfc_symbol_done_2 (void);
2225 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2226 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2227 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2228 void gfc_save_all (gfc_namespace *);
2230 void gfc_symbol_state (void);
2232 gfc_gsymbol *gfc_get_gsymbol (const char *);
2233 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2235 void copy_formal_args (gfc_symbol *dest, gfc_symbol *src);
2237 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2240 extern int gfc_init_expr;
2242 /* Given a symbol that we have decided is intrinsic, mark it as such
2243 by placing it into a special module that is otherwise impossible to
2246 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2248 void gfc_intrinsic_init_1 (void);
2249 void gfc_intrinsic_done_1 (void);
2251 char gfc_type_letter (bt);
2252 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2253 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2254 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2255 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2256 int gfc_generic_intrinsic (const char *);
2257 int gfc_specific_intrinsic (const char *);
2258 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2259 int gfc_intrinsic_actual_ok (const char *, const bool);
2260 gfc_intrinsic_sym *gfc_find_function (const char *);
2261 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2263 match gfc_intrinsic_func_interface (gfc_expr *, int);
2264 match gfc_intrinsic_sub_interface (gfc_code *, int);
2266 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2267 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2270 /* match.c -- FIXME */
2271 void gfc_free_iterator (gfc_iterator *, int);
2272 void gfc_free_forall_iterator (gfc_forall_iterator *);
2273 void gfc_free_alloc_list (gfc_alloc *);
2274 void gfc_free_namelist (gfc_namelist *);
2275 void gfc_free_equiv (gfc_equiv *);
2276 void gfc_free_data (gfc_data *);
2277 void gfc_free_case_list (gfc_case *);
2279 /* matchexp.c -- FIXME too? */
2280 gfc_expr *gfc_get_parentheses (gfc_expr *);
2283 void gfc_free_omp_clauses (gfc_omp_clauses *);
2284 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2285 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2286 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2287 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2290 void gfc_free_actual_arglist (gfc_actual_arglist *);
2291 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2292 const char *gfc_extract_int (gfc_expr *, int *);
2293 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2294 bool is_subref_array (gfc_expr *);
2296 gfc_expr *gfc_build_conversion (gfc_expr *);
2297 void gfc_free_ref_list (gfc_ref *);
2298 void gfc_type_convert_binary (gfc_expr *);
2299 int gfc_is_constant_expr (gfc_expr *);
2300 gfc_try gfc_simplify_expr (gfc_expr *, int);
2301 int gfc_has_vector_index (gfc_expr *);
2303 gfc_expr *gfc_get_expr (void);
2304 void gfc_free_expr (gfc_expr *);
2305 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2306 gfc_expr *gfc_int_expr (int);
2307 gfc_expr *gfc_logical_expr (int, locus *);
2308 mpz_t *gfc_copy_shape (mpz_t *, int);
2309 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2310 gfc_expr *gfc_copy_expr (gfc_expr *);
2312 gfc_try gfc_specification_expr (gfc_expr *);
2314 int gfc_numeric_ts (gfc_typespec *);
2315 int gfc_kind_max (gfc_expr *, gfc_expr *);
2317 gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2318 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2319 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2320 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2322 gfc_expr *gfc_default_initializer (gfc_typespec *);
2323 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2325 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2326 bool (*)(gfc_expr *, gfc_symbol *, int*),
2328 void gfc_expr_set_symbols_referenced (gfc_expr *);
2331 extern gfc_code new_st;
2333 void gfc_clear_new_st (void);
2334 gfc_code *gfc_get_code (void);
2335 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2336 void gfc_free_statement (gfc_code *);
2337 void gfc_free_statements (gfc_code *);
2340 gfc_try gfc_resolve_expr (gfc_expr *);
2341 void gfc_resolve (gfc_namespace *);
2342 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2343 int gfc_impure_variable (gfc_symbol *);
2344 int gfc_pure (gfc_symbol *);
2345 int gfc_elemental (gfc_symbol *);
2346 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2347 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2348 gfc_try gfc_resolve_index (gfc_expr *, int);
2349 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2350 int gfc_is_formal_arg (void);
2351 void gfc_resolve_substring_charlen (gfc_expr *);
2352 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2356 void gfc_free_array_spec (gfc_array_spec *);
2357 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2359 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2360 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2361 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2363 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2365 gfc_expr *gfc_start_constructor (bt, int, locus *);
2366 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2367 void gfc_free_constructor (gfc_constructor *);
2368 void gfc_simplify_iterator_var (gfc_expr *);
2369 gfc_try gfc_expand_constructor (gfc_expr *);
2370 int gfc_constant_ac (gfc_expr *);
2371 int gfc_expanded_ac (gfc_expr *);
2372 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2373 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2374 gfc_try gfc_check_constructor_type (gfc_expr *);
2375 gfc_try gfc_check_iter_variable (gfc_expr *);
2376 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2377 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2378 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2379 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2380 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2381 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2382 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2383 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2384 gfc_constructor *gfc_get_constructor (void);
2385 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2386 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2387 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2388 int gfc_is_compile_time_shape (gfc_array_spec *);
2390 /* interface.c -- FIXME: some of these should be in symbol.c */
2391 void gfc_free_interface (gfc_interface *);
2392 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2393 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2394 void gfc_check_interfaces (gfc_namespace *);
2395 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2396 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2397 gfc_actual_arglist **);
2398 gfc_try gfc_extend_expr (gfc_expr *);
2399 void gfc_free_formal_arglist (gfc_formal_arglist *);
2400 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2401 gfc_try gfc_add_interface (gfc_symbol *);
2402 gfc_interface *gfc_current_interface_head (void);
2403 void gfc_set_current_interface_head (gfc_interface *);
2406 extern gfc_st_label format_asterisk;
2408 void gfc_free_open (gfc_open *);
2409 gfc_try gfc_resolve_open (gfc_open *);
2410 void gfc_free_close (gfc_close *);
2411 gfc_try gfc_resolve_close (gfc_close *);
2412 void gfc_free_filepos (gfc_filepos *);
2413 gfc_try gfc_resolve_filepos (gfc_filepos *);
2414 void gfc_free_inquire (gfc_inquire *);
2415 gfc_try gfc_resolve_inquire (gfc_inquire *);
2416 void gfc_free_dt (gfc_dt *);
2417 gfc_try gfc_resolve_dt (gfc_dt *);
2418 void gfc_free_wait (gfc_wait *);
2419 gfc_try gfc_resolve_wait (gfc_wait *);
2422 void gfc_module_init_2 (void);
2423 void gfc_module_done_2 (void);
2424 void gfc_dump_module (const char *, int);
2425 bool gfc_check_access (gfc_access, gfc_access);
2428 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2429 symbol_attribute gfc_expr_attr (gfc_expr *);
2430 match gfc_match_rvalue (gfc_expr **);
2431 int gfc_check_digit (char, int);
2434 void gfc_generate_code (gfc_namespace *);
2435 void gfc_generate_module_code (gfc_namespace *);
2438 typedef int (*compare_fn) (void *, void *);
2439 void gfc_insert_bbt (void *, void *, compare_fn);
2440 void gfc_delete_bbt (void *, void *, compare_fn);
2442 /* dump-parse-tree.c */
2443 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2446 gfc_try gfc_parse_file (void);
2447 void gfc_global_used (gfc_gsymbol *, locus *);
2450 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2452 #endif /* GCC_GFORTRAN_H */