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 */
641 unsigned extension:1; /* extends a derived type */
643 /* These flags are both in the typespec and attribute. The attribute
644 list is what gets read from/written to a module file. The typespec
645 is created from a decl being processed. */
646 unsigned is_c_interop:1; /* It's c interoperable. */
647 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
649 /* Function/subroutine attributes */
650 unsigned sequence:1, elemental:1, pure:1, recursive:1;
651 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
653 /* This is set if the subroutine doesn't return. Currently, this
654 is only possible for intrinsic subroutines. */
657 /* Set if this procedure is an alternate entry point. These procedures
658 don't have any code associated, and the backend will turn them into
659 thunks to the master function. */
662 /* Set if this is the master function for a procedure with multiple
664 unsigned entry_master:1;
666 /* Set if this is the master function for a function with multiple
667 entry points where characteristics of the entry points differ. */
668 unsigned mixed_entry_master:1;
670 /* Set if a function must always be referenced by an explicit interface. */
671 unsigned always_explicit:1;
673 /* Set if the symbol has been referenced in an expression. No further
674 modification of type or type parameters is permitted. */
675 unsigned referenced:1;
677 /* Set if the symbol has ambiguous interfaces. */
678 unsigned ambiguous_interfaces:1;
680 /* Set if this is the symbol for the main program. */
681 unsigned is_main_program:1;
683 /* Mutually exclusive multibit attributes. */
684 ENUM_BITFIELD (gfc_access) access:2;
685 ENUM_BITFIELD (sym_intent) intent:2;
686 ENUM_BITFIELD (sym_flavor) flavor:4;
687 ENUM_BITFIELD (ifsrc) if_source:2;
689 ENUM_BITFIELD (procedure_type) proc:3;
691 /* Special attributes for Cray pointers, pointees. */
692 unsigned cray_pointer:1, cray_pointee:1;
694 /* The symbol is a derived type with allocatable components, pointer
695 components or private components, possibly nested. zero_comp
696 is true if the derived type has no component at all. */
697 unsigned alloc_comp:1, pointer_comp:1, private_comp:1, zero_comp:1;
699 /* The namespace where the VOLATILE attribute has been set. */
700 struct gfc_namespace *volatile_ns;
705 /* We need to store source lines as sequences of multibyte source
706 characters. We define here a type wide enough to hold any multibyte
707 source character, just like libcpp does. A 32-bit type is enough. */
709 #if HOST_BITS_PER_INT >= 32
710 typedef unsigned int gfc_char_t;
711 #elif HOST_BITS_PER_LONG >= 32
712 typedef unsigned long gfc_char_t;
713 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
714 typedef unsigned long long gfc_char_t;
716 # error "Cannot find an integer type with at least 32 bits"
720 /* The following three structures are used to identify a location in
723 gfc_file is used to maintain a tree of the source files and how
724 they include each other
726 gfc_linebuf holds a single line of source code and information
727 which file it resides in
729 locus point to the sourceline and the character in the source
733 typedef struct gfc_file
735 struct gfc_file *next, *up;
736 int inclusion_line, line;
740 typedef struct gfc_linebuf
742 source_location location;
743 struct gfc_file *file;
744 struct gfc_linebuf *next;
752 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
754 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
762 /* In order for the "gfc" format checking to work correctly, you must
763 have declared a typedef locus first. */
764 #if GCC_VERSION >= 4001
765 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
767 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
771 extern int gfc_suppress_error;
774 /* Character length structures hold the expression that gives the
775 length of a character variable. We avoid putting these into
776 gfc_typespec because doing so prevents us from doing structure
777 copies and forces us to deallocate any typespecs we create, as well
778 as structures that contain typespecs. They also can have multiple
779 character typespecs pointing to them.
781 These structures form a singly linked list within the current
782 namespace and are deallocated with the namespace. It is possible to
783 end up with gfc_charlen structures that have nothing pointing to them. */
785 typedef struct gfc_charlen
787 struct gfc_expr *length;
788 struct gfc_charlen *next;
789 bool length_from_typespec; /* Length from explicit array ctor typespec? */
796 #define gfc_get_charlen() XCNEW (gfc_charlen)
798 /* Type specification structure. FIXME: derived and cl could be union??? */
803 struct gfc_symbol *derived;
804 gfc_charlen *cl; /* For character types only. */
805 struct gfc_symbol *interface; /* For PROCEDURE declarations. */
812 /* Array specification. */
815 int rank; /* A rank of zero means that a variable is a scalar. */
817 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
819 /* These two fields are used with the Cray Pointer extension. */
820 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
821 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
822 AS_EXPLICIT, but we want to remember that we
828 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
831 /* Components of derived types. */
832 typedef struct gfc_component
837 int pointer, allocatable, dimension;
843 struct gfc_expr *initializer;
844 struct gfc_component *next;
848 #define gfc_get_component() XCNEW (gfc_component)
850 /* Formal argument lists are lists of symbols. */
851 typedef struct gfc_formal_arglist
853 /* Symbol representing the argument at this position in the arglist. */
854 struct gfc_symbol *sym;
855 /* Points to the next formal argument. */
856 struct gfc_formal_arglist *next;
860 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
863 /* The gfc_actual_arglist structure is for actual arguments. */
864 typedef struct gfc_actual_arglist
867 /* Alternate return label when the expr member is null. */
868 struct gfc_st_label *label;
870 /* This is set to the type of an eventual omitted optional
871 argument. This is used to determine if a hidden string length
872 argument has to be added to a function call. */
875 struct gfc_expr *expr;
876 struct gfc_actual_arglist *next;
880 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
883 /* Because a symbol can belong to multiple namelists, they must be
884 linked externally to the symbol itself. */
885 typedef struct gfc_namelist
887 struct gfc_symbol *sym;
888 struct gfc_namelist *next;
892 #define gfc_get_namelist() XCNEW (gfc_namelist)
897 OMP_LIST_FIRSTPRIVATE,
898 OMP_LIST_LASTPRIVATE,
899 OMP_LIST_COPYPRIVATE,
903 OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS,
915 OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR,
919 /* Because a symbol can belong to multiple namelists, they must be
920 linked externally to the symbol itself. */
921 typedef struct gfc_omp_clauses
923 struct gfc_expr *if_expr;
924 struct gfc_expr *num_threads;
925 gfc_namelist *lists[OMP_LIST_NUM];
935 struct gfc_expr *chunk_size;
942 OMP_DEFAULT_FIRSTPRIVATE
945 bool nowait, ordered, untied;
949 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
952 /* The gfc_st_label structure is a doubly linked list attached to a
953 namespace that records the usage of statement labels within that
955 /* TODO: Make format/statement specifics a union. */
956 typedef struct gfc_st_label
958 BBT_HEADER(gfc_st_label);
962 gfc_sl_type defined, referenced;
964 struct gfc_expr *format;
973 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
974 typedef struct gfc_interface
976 struct gfc_symbol *sym;
978 struct gfc_interface *next;
982 #define gfc_get_interface() XCNEW (gfc_interface)
984 /* User operator nodes. These are like stripped down symbols. */
990 struct gfc_namespace *ns;
995 /* Symbol nodes. These are important things. They are what the
996 standard refers to as "entities". The possibly multiple names that
997 refer to the same entity are accomplished by a binary tree of
998 symtree structures that is balanced by the red-black method-- more
999 than one symtree node can point to any given symbol. */
1001 typedef struct gfc_symbol
1003 const char *name; /* Primary name, before renaming */
1004 const char *module; /* Module this symbol came from */
1008 symbol_attribute attr;
1010 /* The formal member points to the formal argument list if the
1011 symbol is a function or subroutine name. If the symbol is a
1012 generic name, the generic member points to the list of
1015 gfc_interface *generic;
1016 gfc_access component_access;
1018 gfc_formal_arglist *formal;
1019 struct gfc_namespace *formal_ns;
1020 struct gfc_namespace *f2k_derived;
1022 struct gfc_expr *value; /* Parameter/Initializer value */
1024 struct gfc_symbol *result; /* function result symbol */
1025 gfc_component *components; /* Derived type components */
1027 /* Defined only for Cray pointees; points to their pointer. */
1028 struct gfc_symbol *cp_pointer;
1030 struct gfc_symbol *common_next; /* Links for COMMON syms */
1032 /* This is in fact a gfc_common_head but it is only used for pointer
1033 comparisons to check if symbols are in the same common block. */
1034 struct gfc_common_head* common_head;
1036 /* Make sure setup code for dummy arguments is generated in the correct
1042 gfc_namelist *namelist, *namelist_tail;
1044 /* Change management fields. Symbols that might be modified by the
1045 current statement have the mark member nonzero and are kept in a
1046 singly linked list through the tlink field. Of these symbols,
1047 symbols with old_symbol equal to NULL are symbols created within
1048 the current statement. Otherwise, old_symbol points to a copy of
1051 struct gfc_symbol *old_symbol, *tlink;
1052 unsigned mark:1, gfc_new:1;
1053 /* Nonzero if all equivalences associated with this symbol have been
1055 unsigned equiv_built:1;
1056 /* Set if this variable is used as an index name in a FORALL. */
1057 unsigned forall_index:1;
1059 struct gfc_namespace *ns; /* namespace containing this symbol */
1063 /* Identity of the intrinsic module the symbol comes from, or
1064 INTMOD_NONE if it's not imported from a intrinsic module. */
1065 intmod_id from_intmod;
1066 /* Identity of the symbol from intrinsic modules, from enums maintained
1067 separately by each intrinsic module. Used together with from_intmod,
1068 it uniquely identifies a symbol from an intrinsic module. */
1071 /* This may be repetitive, since the typespec now has a binding
1073 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1074 /* Store a reference to the common_block, if this symbol is in one. */
1075 struct gfc_common_head *common_block;
1080 /* This structure is used to keep track of symbols in common blocks. */
1081 typedef struct gfc_common_head
1084 char use_assoc, saved, threadprivate;
1085 char name[GFC_MAX_SYMBOL_LEN + 1];
1086 struct gfc_symbol *head;
1087 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1092 #define gfc_get_common_head() XCNEW (gfc_common_head)
1095 /* A list of all the alternate entry points for a procedure. */
1097 typedef struct gfc_entry_list
1099 /* The symbol for this entry point. */
1101 /* The zero-based id of this entry point. */
1103 /* The LABEL_EXPR marking this entry point. */
1105 /* The nest item in the list. */
1106 struct gfc_entry_list *next;
1110 #define gfc_get_entry_list() \
1111 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1113 /* Within a namespace, symbols are pointed to by symtree nodes that
1114 are linked together in a balanced binary tree. There can be
1115 several symtrees pointing to the same symbol node via USE
1118 typedef struct gfc_symtree
1120 BBT_HEADER (gfc_symtree);
1125 gfc_symbol *sym; /* Symbol associated with this node */
1127 gfc_common_head *common;
1134 /* A linked list of derived types in the namespace. */
1135 typedef struct gfc_dt_list
1137 struct gfc_symbol *derived;
1138 struct gfc_dt_list *next;
1142 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1144 /* A list of all derived types. */
1145 extern gfc_dt_list *gfc_derived_types;
1147 /* A namespace describes the contents of procedure, module or
1149 /* ??? Anything else use these? */
1151 typedef struct gfc_namespace
1153 /* Tree containing all the symbols in this namespace. */
1154 gfc_symtree *sym_root;
1155 /* Tree containing all the user-defined operators in the namespace. */
1156 gfc_symtree *uop_root;
1157 /* Tree containing all the common blocks. */
1158 gfc_symtree *common_root;
1159 /* Linked list of finalizer procedures. */
1160 struct gfc_finalizer *finalizers;
1162 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1163 int set_flag[GFC_LETTERS];
1164 /* Keeps track of the implicit types associated with the letters. */
1165 gfc_typespec default_type[GFC_LETTERS];
1167 /* If this is a namespace of a procedure, this points to the procedure. */
1168 struct gfc_symbol *proc_name;
1169 /* If this is the namespace of a unit which contains executable
1170 code, this points to it. */
1171 struct gfc_code *code;
1173 /* Points to the equivalences set up in this namespace. */
1174 struct gfc_equiv *equiv;
1176 /* Points to the equivalence groups produced by trans_common. */
1177 struct gfc_equiv_list *equiv_lists;
1179 gfc_interface *op[GFC_INTRINSIC_OPS];
1181 /* Points to the parent namespace, i.e. the namespace of a module or
1182 procedure in which the procedure belonging to this namespace is
1183 contained. The parent namespace points to this namespace either
1184 directly via CONTAINED, or indirectly via the chain built by
1186 struct gfc_namespace *parent;
1187 /* CONTAINED points to the first contained namespace. Sibling
1188 namespaces are chained via SIBLING. */
1189 struct gfc_namespace *contained, *sibling;
1191 gfc_common_head blank_common;
1192 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1194 gfc_st_label *st_labels;
1195 /* This list holds information about all the data initializers in
1197 struct gfc_data *data;
1199 gfc_charlen *cl_list;
1201 int save_all, seen_save, seen_implicit_none;
1203 /* Normally we don't need to refcount namespaces. However when we read
1204 a module containing a function with multiple entry points, this
1205 will appear as several functions with the same formal namespace. */
1208 /* A list of all alternate entry points to this procedure (or NULL). */
1209 gfc_entry_list *entries;
1211 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1214 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1219 extern gfc_namespace *gfc_current_ns;
1221 /* Global symbols are symbols of global scope. Currently we only use
1222 this to detect collisions already when parsing.
1223 TODO: Extend to verify procedure calls. */
1225 typedef struct gfc_gsymbol
1227 BBT_HEADER(gfc_gsymbol);
1230 const char *sym_name;
1231 const char *mod_name;
1232 const char *binding_label;
1233 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1234 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1241 extern gfc_gsymbol *gfc_gsym_root;
1243 /* Information on interfaces being built. */
1246 interface_type type;
1250 gfc_intrinsic_op op;
1254 extern gfc_interface_info current_interface;
1257 /* Array reference. */
1258 typedef struct gfc_array_ref
1261 int dimen; /* # of components in the reference */
1265 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1266 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1267 *stride[GFC_MAX_DIMENSIONS];
1270 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1271 dimen_type[GFC_MAX_DIMENSIONS];
1273 struct gfc_expr *offset;
1277 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1280 /* Component reference nodes. A variable is stored as an expression
1281 node that points to the base symbol. After that, a singly linked
1282 list of component reference nodes gives the variable's complete
1283 resolution. The array_ref component may be present and comes
1284 before the component component. */
1287 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1290 typedef struct gfc_ref
1296 struct gfc_array_ref ar;
1300 gfc_component *component;
1307 struct gfc_expr *start, *end; /* Substring */
1308 gfc_charlen *length;
1315 struct gfc_ref *next;
1319 #define gfc_get_ref() XCNEW (gfc_ref)
1322 /* Structures representing intrinsic symbols and their arguments lists. */
1323 typedef struct gfc_intrinsic_arg
1325 char name[GFC_MAX_SYMBOL_LEN + 1];
1329 gfc_actual_arglist *actual;
1331 struct gfc_intrinsic_arg *next;
1337 /* Specifies the various kinds of check functions used to verify the
1338 argument lists of intrinsic functions. fX with X an integer refer
1339 to check functions of intrinsics with X arguments. f1m is used for
1340 the MAX and MIN intrinsics which can have an arbitrary number of
1341 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1342 these have special semantics. */
1346 gfc_try (*f0)(void);
1347 gfc_try (*f1)(struct gfc_expr *);
1348 gfc_try (*f1m)(gfc_actual_arglist *);
1349 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1350 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1351 gfc_try (*f3ml)(gfc_actual_arglist *);
1352 gfc_try (*f3red)(gfc_actual_arglist *);
1353 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1355 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1356 struct gfc_expr *, struct gfc_expr *);
1360 /* Like gfc_check_f, these specify the type of the simplification
1361 function associated with an intrinsic. The fX are just like in
1362 gfc_check_f. cc is used for type conversion functions. */
1366 struct gfc_expr *(*f0)(void);
1367 struct gfc_expr *(*f1)(struct gfc_expr *);
1368 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1369 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1371 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1372 struct gfc_expr *, struct gfc_expr *);
1373 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1374 struct gfc_expr *, struct gfc_expr *,
1376 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1380 /* Again like gfc_check_f, these specify the type of the resolution
1381 function associated with an intrinsic. The fX are just like in
1382 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1386 void (*f0)(struct gfc_expr *);
1387 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1388 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1389 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1390 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1392 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1393 struct gfc_expr *, struct gfc_expr *);
1394 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1395 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1396 void (*s1)(struct gfc_code *);
1401 typedef struct gfc_intrinsic_sym
1403 const char *name, *lib_name;
1404 gfc_intrinsic_arg *formal;
1406 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1407 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1411 gfc_simplify_f simplify;
1413 gfc_resolve_f resolve;
1414 struct gfc_intrinsic_sym *specific_head, *next;
1421 /* Expression nodes. The expression node types deserve explanations,
1422 since the last couple can be easily misconstrued:
1424 EXPR_OP Operator node pointing to one or two other nodes
1425 EXPR_FUNCTION Function call, symbol points to function's name
1426 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1427 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1428 which expresses structure, array and substring refs.
1429 EXPR_NULL The NULL pointer value (which also has a basic type).
1430 EXPR_SUBSTRING A substring of a constant string
1431 EXPR_STRUCTURE A structure constructor
1432 EXPR_ARRAY An array constructor. */
1436 #define GFC_RND_MODE GMP_RNDN
1438 typedef struct gfc_expr
1442 gfc_typespec ts; /* These two refer to the overall expression */
1445 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1447 /* Nonnull for functions and structure constructors */
1448 gfc_symtree *symtree;
1454 /* True if the expression is a call to a function that returns an array,
1455 and if we have decided not to allocate temporary data for that array. */
1456 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
1458 /* Used to quickly find a given constructor by its offset. */
1459 splay_tree con_by_offset;
1461 /* If an expression comes from a Hollerith constant or compile-time
1462 evaluation of a transfer statement, it may have a prescribed target-
1463 memory representation, and these cannot always be backformed from
1490 gfc_intrinsic_op op;
1492 struct gfc_expr *op1, *op2;
1498 gfc_actual_arglist *actual;
1499 const char *name; /* Points to the ultimate name of the function */
1500 gfc_intrinsic_sym *isym;
1512 struct gfc_constructor *constructor;
1520 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1522 /* Structures for information associated with different kinds of
1523 numbers. The first set of integer parameters define all there is
1524 to know about a particular kind. The rest of the elements are
1525 computed from the first elements. */
1529 /* Values really representable by the target. */
1530 mpz_t huge, pedantic_min_int, min_int;
1532 int kind, radix, digits, bit_size, range;
1534 /* True if the C type of the given name maps to this precision.
1535 Note that more than one bit can be set. */
1536 unsigned int c_char : 1;
1537 unsigned int c_short : 1;
1538 unsigned int c_int : 1;
1539 unsigned int c_long : 1;
1540 unsigned int c_long_long : 1;
1544 extern gfc_integer_info gfc_integer_kinds[];
1551 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1552 unsigned int c_bool : 1;
1556 extern gfc_logical_info gfc_logical_kinds[];
1561 mpfr_t epsilon, huge, tiny, subnormal;
1562 int kind, radix, digits, min_exponent, max_exponent;
1563 int range, precision;
1565 /* The precision of the type as reported by GET_MODE_PRECISION. */
1568 /* True if the C type of the given name maps to this precision.
1569 Note that more than one bit can be set. */
1570 unsigned int c_float : 1;
1571 unsigned int c_double : 1;
1572 unsigned int c_long_double : 1;
1576 extern gfc_real_info gfc_real_kinds[];
1585 extern gfc_character_info gfc_character_kinds[];
1588 /* Equivalence structures. Equivalent lvalues are linked along the
1589 *eq pointer, equivalence sets are strung along the *next node. */
1590 typedef struct gfc_equiv
1592 struct gfc_equiv *next, *eq;
1599 #define gfc_get_equiv() XCNEW (gfc_equiv)
1601 /* Holds a single equivalence member after processing. */
1602 typedef struct gfc_equiv_info
1605 HOST_WIDE_INT offset;
1606 HOST_WIDE_INT length;
1607 struct gfc_equiv_info *next;
1610 /* Holds equivalence groups, after they have been processed. */
1611 typedef struct gfc_equiv_list
1613 gfc_equiv_info *equiv;
1614 struct gfc_equiv_list *next;
1617 /* gfc_case stores the selector list of a case statement. The *low
1618 and *high pointers can point to the same expression in the case of
1619 a single value. If *high is NULL, the selection is from *low
1620 upwards, if *low is NULL the selection is *high downwards.
1622 This structure has separate fields to allow single and double linked
1623 lists of CASEs at the same time. The singe linked list along the NEXT
1624 field is a list of cases for a single CASE label. The double linked
1625 list along the LEFT/RIGHT fields is used to detect overlap and to
1626 build a table of the cases for SELECT constructs with a CHARACTER
1629 typedef struct gfc_case
1631 /* Where we saw this case. */
1635 /* Case range values. If (low == high), it's a single value. If one of
1636 the labels is NULL, it's an unbounded case. If both are NULL, this
1637 represents the default case. */
1638 gfc_expr *low, *high;
1640 /* Next case label in the list of cases for a single CASE label. */
1641 struct gfc_case *next;
1643 /* Used for detecting overlap, and for code generation. */
1644 struct gfc_case *left, *right;
1646 /* True if this case label can never be matched. */
1651 #define gfc_get_case() XCNEW (gfc_case)
1656 gfc_expr *var, *start, *end, *step;
1660 #define gfc_get_iterator() XCNEW (gfc_iterator)
1663 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1665 typedef struct gfc_alloc
1668 struct gfc_alloc *next;
1672 #define gfc_get_alloc() XCNEW (gfc_alloc)
1677 gfc_expr *unit, *file, *status, *access, *form, *recl,
1678 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1679 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1687 gfc_expr *unit, *status, *iostat, *iomsg;
1695 gfc_expr *unit, *iostat, *iomsg;
1703 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1704 *name, *access, *sequential, *direct, *form, *formatted,
1705 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1706 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1707 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1717 gfc_expr *unit, *iostat, *iomsg, *id;
1718 gfc_st_label *err, *end, *eor;
1725 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1726 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1727 *sign, *extra_comma;
1729 gfc_symbol *namelist;
1730 /* A format_label of `format_asterisk' indicates the "*" format */
1731 gfc_st_label *format_label;
1732 gfc_st_label *err, *end, *eor;
1734 locus eor_where, end_where, err_where;
1739 typedef struct gfc_forall_iterator
1741 gfc_expr *var, *start, *end, *stride;
1742 struct gfc_forall_iterator *next;
1744 gfc_forall_iterator;
1747 /* Executable statements that fill gfc_code structures. */
1750 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1751 EXEC_GOTO, EXEC_CALL, EXEC_ASSIGN_CALL, EXEC_RETURN, EXEC_ENTRY,
1752 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1753 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1754 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1755 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1756 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1757 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1758 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1759 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1760 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1761 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1762 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1763 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1764 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1768 typedef struct gfc_code
1772 struct gfc_code *block, *next;
1775 gfc_st_label *here, *label, *label2, *label3;
1776 gfc_symtree *symtree;
1777 gfc_expr *expr, *expr2;
1778 /* A name isn't sufficient to identify a subroutine, we need the actual
1779 symbol for the interface definition.
1780 const char *sub_name; */
1781 gfc_symbol *resolved_sym;
1785 gfc_actual_arglist *actual;
1786 gfc_case *case_list;
1787 gfc_iterator *iterator;
1788 gfc_alloc *alloc_list;
1791 gfc_filepos *filepos;
1792 gfc_inquire *inquire;
1795 gfc_forall_iterator *forall_iterator;
1796 struct gfc_code *whichloop;
1798 gfc_entry_list *entry;
1799 gfc_omp_clauses *omp_clauses;
1800 const char *omp_name;
1801 gfc_namelist *omp_namelist;
1804 ext; /* Points to additional structures required by statement */
1806 /* Backend_decl is used for cycle and break labels in do loops, and
1807 probably for other constructs as well, once we translate them. */
1813 /* Storage for DATA statements. */
1814 typedef struct gfc_data_variable
1818 struct gfc_data_variable *list, *next;
1823 typedef struct gfc_data_value
1827 struct gfc_data_value *next;
1832 typedef struct gfc_data
1834 gfc_data_variable *var;
1835 gfc_data_value *value;
1838 struct gfc_data *next;
1843 /* Structure for holding compile options */
1847 gfc_source_form source_form;
1848 /* Maximum line lengths in fixed- and free-form source, respectively.
1849 When fixed_line_length or free_line_length are 0, the whole line is used,
1850 regardless of length.
1852 If the user requests a fixed_line_length <7 then gfc_init_options()
1853 emits a fatal error. */
1854 int fixed_line_length;
1855 int free_line_length;
1856 /* Maximum number of continuation lines in fixed- and free-form source,
1858 int max_continue_fixed;
1859 int max_continue_free;
1860 int max_identifier_length;
1861 int dump_parse_tree;
1865 int warn_conversion;
1866 int warn_implicit_interface;
1867 int warn_line_truncation;
1868 int warn_surprising;
1871 int warn_intrinsic_shadow;
1872 int warn_intrinsics_std;
1873 int warn_character_truncation;
1874 int warn_array_temp;
1877 int flag_all_intrinsics;
1878 int flag_default_double;
1879 int flag_default_integer;
1880 int flag_default_real;
1882 int flag_underscoring;
1883 int flag_second_underscore;
1884 int flag_implicit_none;
1885 int flag_max_stack_var_size;
1886 int flag_range_check;
1887 int flag_pack_derived;
1888 int flag_repack_arrays;
1889 int flag_preprocessed;
1894 int flag_check_array_temporaries;
1895 int flag_allow_leading_underscore;
1897 int flag_external_blas;
1898 int blas_matmul_limit;
1899 int flag_cray_pointer;
1903 int flag_module_private;
1905 int flag_init_local_zero;
1906 int flag_init_integer;
1907 int flag_init_integer_value;
1909 int flag_init_logical;
1910 int flag_init_character;
1911 char flag_init_character_value;
1920 int max_subrecord_length;
1924 extern gfc_option_t gfc_option;
1926 /* Constructor nodes for array and structure constructors. */
1927 typedef struct gfc_constructor
1930 gfc_iterator *iterator;
1932 struct gfc_constructor *next;
1935 mpz_t offset; /* Record the offset of array element which appears in
1936 data statement like "data a(5)/4/". */
1937 gfc_component *component; /* Record the component being initialized. */
1940 mpz_t repeat; /* Record the repeat number of initial values in data
1941 statement like "data a/5*10/". */
1946 typedef struct iterator_stack
1948 gfc_symtree *variable;
1950 struct iterator_stack *prev;
1953 extern iterator_stack *iter_stack;
1956 /* Node in the linked list used for storing finalizer procedures. */
1958 typedef struct gfc_finalizer
1960 struct gfc_finalizer* next;
1961 locus where; /* Where the FINAL declaration occurred. */
1963 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
1964 symtree and later need only that. This way, we can access and call the
1965 finalizers from every context as they should be "always accessible". I
1966 don't make this a union because we need the information whether proc_sym is
1967 still referenced or not for dereferencing it on deleting a gfc_finalizer
1969 gfc_symbol* proc_sym;
1970 gfc_symtree* proc_tree;
1973 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
1976 /************************ Function prototypes *************************/
1979 bool gfc_in_match_data (void);
1982 void gfc_scanner_done_1 (void);
1983 void gfc_scanner_init_1 (void);
1985 void gfc_add_include_path (const char *, bool);
1986 void gfc_add_intrinsic_modules_path (const char *);
1987 void gfc_release_include_path (void);
1988 FILE *gfc_open_included_file (const char *, bool, bool);
1989 FILE *gfc_open_intrinsic_module (const char *);
1991 int gfc_at_end (void);
1992 int gfc_at_eof (void);
1993 int gfc_at_bol (void);
1994 int gfc_at_eol (void);
1995 void gfc_advance_line (void);
1996 int gfc_check_include (void);
1997 int gfc_define_undef_line (void);
1999 int gfc_wide_is_printable (gfc_char_t);
2000 int gfc_wide_is_digit (gfc_char_t);
2001 int gfc_wide_fits_in_byte (gfc_char_t);
2002 gfc_char_t gfc_wide_tolower (gfc_char_t);
2003 gfc_char_t gfc_wide_toupper (gfc_char_t);
2004 size_t gfc_wide_strlen (const gfc_char_t *);
2005 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2006 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2007 char *gfc_widechar_to_char (const gfc_char_t *, int);
2008 gfc_char_t *gfc_char_to_widechar (const char *);
2010 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2012 void gfc_skip_comments (void);
2013 gfc_char_t gfc_next_char_literal (int);
2014 gfc_char_t gfc_next_char (void);
2015 char gfc_next_ascii_char (void);
2016 gfc_char_t gfc_peek_char (void);
2017 char gfc_peek_ascii_char (void);
2018 void gfc_error_recovery (void);
2019 void gfc_gobble_whitespace (void);
2020 gfc_try gfc_new_file (void);
2021 const char * gfc_read_orig_filename (const char *, const char **);
2023 extern gfc_source_form gfc_current_form;
2024 extern const char *gfc_source_file;
2025 extern locus gfc_current_locus;
2027 void gfc_start_source_files (void);
2028 void gfc_end_source_files (void);
2031 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2032 void gfc_free (void *);
2033 int gfc_terminal_width (void);
2034 void gfc_clear_ts (gfc_typespec *);
2035 FILE *gfc_open_file (const char *);
2036 const char *gfc_basic_typename (bt);
2037 const char *gfc_typename (gfc_typespec *);
2038 const char *gfc_op2string (gfc_intrinsic_op);
2039 const char *gfc_code2string (const mstring *, int);
2040 int gfc_string2code (const mstring *, const char *);
2041 const char *gfc_intent_string (sym_intent);
2043 void gfc_init_1 (void);
2044 void gfc_init_2 (void);
2045 void gfc_done_1 (void);
2046 void gfc_done_2 (void);
2048 int get_c_kind (const char *, CInteropKind_t *);
2051 unsigned int gfc_init_options (unsigned int, const char **);
2052 int gfc_handle_option (size_t, const char *, int);
2053 bool gfc_post_options (const char **);
2056 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2057 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2061 typedef struct gfc_error_buf
2064 size_t allocated, index;
2068 void gfc_error_init_1 (void);
2069 void gfc_buffer_error (int);
2071 const char *gfc_print_wide_char (gfc_char_t);
2073 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2074 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2075 void gfc_clear_warning (void);
2076 void gfc_warning_check (void);
2078 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2079 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2080 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2081 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2082 void gfc_clear_error (void);
2083 int gfc_error_check (void);
2084 int gfc_error_flag_test (void);
2086 notification gfc_notification_std (int);
2087 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2089 /* A general purpose syntax error. */
2090 #define gfc_syntax_error(ST) \
2091 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2093 void gfc_push_error (gfc_error_buf *);
2094 void gfc_pop_error (gfc_error_buf *);
2095 void gfc_free_error (gfc_error_buf *);
2097 void gfc_get_errors (int *, int *);
2100 void gfc_arith_init_1 (void);
2101 void gfc_arith_done_1 (void);
2102 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2103 arith gfc_check_integer_range (mpz_t p, int kind);
2104 bool gfc_check_character_range (gfc_char_t, int);
2107 gfc_try gfc_validate_c_kind (gfc_typespec *);
2108 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2109 int gfc_validate_kind (bt, int, bool);
2110 extern int gfc_index_integer_kind;
2111 extern int gfc_default_integer_kind;
2112 extern int gfc_max_integer_kind;
2113 extern int gfc_default_real_kind;
2114 extern int gfc_default_double_kind;
2115 extern int gfc_default_character_kind;
2116 extern int gfc_default_logical_kind;
2117 extern int gfc_default_complex_kind;
2118 extern int gfc_c_int_kind;
2119 extern int gfc_intio_kind;
2120 extern int gfc_charlen_int_kind;
2121 extern int gfc_numeric_storage_size;
2122 extern int gfc_character_storage_size;
2125 void gfc_clear_new_implicit (void);
2126 gfc_try gfc_add_new_implicit_range (int, int);
2127 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2128 void gfc_set_implicit_none (void);
2129 void gfc_check_function_type (gfc_namespace *);
2130 bool gfc_is_intrinsic_typename (const char *);
2132 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
2133 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2135 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
2136 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
2138 void gfc_set_sym_referenced (gfc_symbol *);
2140 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2141 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2142 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2143 gfc_try gfc_add_external (symbol_attribute *, locus *);
2144 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2145 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2146 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2147 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2148 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2149 gfc_try gfc_mod_pointee_as (gfc_array_spec *);
2150 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2151 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2152 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2153 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2154 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2155 gfc_try gfc_add_target (symbol_attribute *, locus *);
2156 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2157 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2158 gfc_try gfc_add_common (symbol_attribute *, locus *);
2159 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2160 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2161 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2162 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2163 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2164 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2165 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2166 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2167 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2168 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2169 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2170 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2172 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2173 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2174 gfc_try gfc_add_extension (symbol_attribute *, locus *);
2175 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2176 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2177 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2178 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2179 const char *, locus *);
2180 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2181 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2182 gfc_formal_arglist *, locus *);
2183 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2185 void gfc_clear_attr (symbol_attribute *);
2186 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2187 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2189 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2190 gfc_symbol *gfc_use_derived (gfc_symbol *);
2191 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2192 gfc_component *gfc_find_component (gfc_symbol *, const char *);
2194 gfc_st_label *gfc_get_st_label (int);
2195 void gfc_free_st_label (gfc_st_label *);
2196 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2197 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2199 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2201 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2202 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2203 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2204 void gfc_delete_symtree (gfc_symtree **, const char *);
2205 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2206 gfc_user_op *gfc_get_uop (const char *);
2207 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2208 void gfc_free_symbol (gfc_symbol *);
2209 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2210 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2211 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2212 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2213 gfc_try verify_c_interop (gfc_typespec *, const char *name, locus *where);
2214 gfc_try verify_c_interop_param (gfc_symbol *);
2215 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2216 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2217 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2218 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2219 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2220 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2221 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2222 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2224 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2226 void gfc_undo_symbols (void);
2227 void gfc_commit_symbols (void);
2228 void gfc_commit_symbol (gfc_symbol *);
2229 void gfc_free_namespace (gfc_namespace *);
2231 void gfc_symbol_init_2 (void);
2232 void gfc_symbol_done_2 (void);
2234 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2235 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2236 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2237 void gfc_save_all (gfc_namespace *);
2239 void gfc_symbol_state (void);
2241 gfc_gsymbol *gfc_get_gsymbol (const char *);
2242 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2244 void copy_formal_args (gfc_symbol *dest, gfc_symbol *src);
2246 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2249 extern int gfc_init_expr;
2251 /* Given a symbol that we have decided is intrinsic, mark it as such
2252 by placing it into a special module that is otherwise impossible to
2255 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2257 void gfc_intrinsic_init_1 (void);
2258 void gfc_intrinsic_done_1 (void);
2260 char gfc_type_letter (bt);
2261 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2262 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2263 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2264 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2265 int gfc_generic_intrinsic (const char *);
2266 int gfc_specific_intrinsic (const char *);
2267 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2268 int gfc_intrinsic_actual_ok (const char *, const bool);
2269 gfc_intrinsic_sym *gfc_find_function (const char *);
2270 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2272 match gfc_intrinsic_func_interface (gfc_expr *, int);
2273 match gfc_intrinsic_sub_interface (gfc_code *, int);
2275 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2276 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2279 /* match.c -- FIXME */
2280 void gfc_free_iterator (gfc_iterator *, int);
2281 void gfc_free_forall_iterator (gfc_forall_iterator *);
2282 void gfc_free_alloc_list (gfc_alloc *);
2283 void gfc_free_namelist (gfc_namelist *);
2284 void gfc_free_equiv (gfc_equiv *);
2285 void gfc_free_data (gfc_data *);
2286 void gfc_free_case_list (gfc_case *);
2288 /* matchexp.c -- FIXME too? */
2289 gfc_expr *gfc_get_parentheses (gfc_expr *);
2292 void gfc_free_omp_clauses (gfc_omp_clauses *);
2293 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2294 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2295 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2296 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2299 void gfc_free_actual_arglist (gfc_actual_arglist *);
2300 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2301 const char *gfc_extract_int (gfc_expr *, int *);
2302 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2303 bool is_subref_array (gfc_expr *);
2305 gfc_expr *gfc_build_conversion (gfc_expr *);
2306 void gfc_free_ref_list (gfc_ref *);
2307 void gfc_type_convert_binary (gfc_expr *);
2308 int gfc_is_constant_expr (gfc_expr *);
2309 gfc_try gfc_simplify_expr (gfc_expr *, int);
2310 int gfc_has_vector_index (gfc_expr *);
2312 gfc_expr *gfc_get_expr (void);
2313 void gfc_free_expr (gfc_expr *);
2314 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2315 gfc_expr *gfc_int_expr (int);
2316 gfc_expr *gfc_logical_expr (int, locus *);
2317 mpz_t *gfc_copy_shape (mpz_t *, int);
2318 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2319 gfc_expr *gfc_copy_expr (gfc_expr *);
2321 gfc_try gfc_specification_expr (gfc_expr *);
2323 int gfc_numeric_ts (gfc_typespec *);
2324 int gfc_kind_max (gfc_expr *, gfc_expr *);
2326 gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2327 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2328 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2329 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2331 gfc_expr *gfc_default_initializer (gfc_typespec *);
2332 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2334 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2335 bool (*)(gfc_expr *, gfc_symbol *, int*),
2337 void gfc_expr_set_symbols_referenced (gfc_expr *);
2340 extern gfc_code new_st;
2342 void gfc_clear_new_st (void);
2343 gfc_code *gfc_get_code (void);
2344 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2345 void gfc_free_statement (gfc_code *);
2346 void gfc_free_statements (gfc_code *);
2349 gfc_try gfc_resolve_expr (gfc_expr *);
2350 void gfc_resolve (gfc_namespace *);
2351 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2352 int gfc_impure_variable (gfc_symbol *);
2353 int gfc_pure (gfc_symbol *);
2354 int gfc_elemental (gfc_symbol *);
2355 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2356 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2357 gfc_try gfc_resolve_index (gfc_expr *, int);
2358 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2359 int gfc_is_formal_arg (void);
2360 void gfc_resolve_substring_charlen (gfc_expr *);
2361 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2365 void gfc_free_array_spec (gfc_array_spec *);
2366 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2368 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2369 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2370 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2372 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2374 gfc_expr *gfc_start_constructor (bt, int, locus *);
2375 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2376 void gfc_free_constructor (gfc_constructor *);
2377 void gfc_simplify_iterator_var (gfc_expr *);
2378 gfc_try gfc_expand_constructor (gfc_expr *);
2379 int gfc_constant_ac (gfc_expr *);
2380 int gfc_expanded_ac (gfc_expr *);
2381 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2382 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2383 gfc_try gfc_check_constructor_type (gfc_expr *);
2384 gfc_try gfc_check_iter_variable (gfc_expr *);
2385 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2386 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2387 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2388 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2389 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2390 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2391 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2392 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2393 gfc_constructor *gfc_get_constructor (void);
2394 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2395 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2396 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2397 int gfc_is_compile_time_shape (gfc_array_spec *);
2399 /* interface.c -- FIXME: some of these should be in symbol.c */
2400 void gfc_free_interface (gfc_interface *);
2401 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2402 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2403 void gfc_check_interfaces (gfc_namespace *);
2404 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2405 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2406 gfc_actual_arglist **);
2407 gfc_try gfc_extend_expr (gfc_expr *);
2408 void gfc_free_formal_arglist (gfc_formal_arglist *);
2409 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2410 gfc_try gfc_add_interface (gfc_symbol *);
2411 gfc_interface *gfc_current_interface_head (void);
2412 void gfc_set_current_interface_head (gfc_interface *);
2413 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
2416 extern gfc_st_label format_asterisk;
2418 void gfc_free_open (gfc_open *);
2419 gfc_try gfc_resolve_open (gfc_open *);
2420 void gfc_free_close (gfc_close *);
2421 gfc_try gfc_resolve_close (gfc_close *);
2422 void gfc_free_filepos (gfc_filepos *);
2423 gfc_try gfc_resolve_filepos (gfc_filepos *);
2424 void gfc_free_inquire (gfc_inquire *);
2425 gfc_try gfc_resolve_inquire (gfc_inquire *);
2426 void gfc_free_dt (gfc_dt *);
2427 gfc_try gfc_resolve_dt (gfc_dt *);
2428 void gfc_free_wait (gfc_wait *);
2429 gfc_try gfc_resolve_wait (gfc_wait *);
2432 void gfc_module_init_2 (void);
2433 void gfc_module_done_2 (void);
2434 void gfc_dump_module (const char *, int);
2435 bool gfc_check_access (gfc_access, gfc_access);
2438 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2439 symbol_attribute gfc_expr_attr (gfc_expr *);
2440 match gfc_match_rvalue (gfc_expr **);
2441 int gfc_check_digit (char, int);
2444 void gfc_generate_code (gfc_namespace *);
2445 void gfc_generate_module_code (gfc_namespace *);
2448 typedef int (*compare_fn) (void *, void *);
2449 void gfc_insert_bbt (void *, void *, compare_fn);
2450 void gfc_delete_bbt (void *, void *, compare_fn);
2452 /* dump-parse-tree.c */
2453 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2456 gfc_try gfc_parse_file (void);
2457 void gfc_global_used (gfc_gsymbol *, locus *);
2460 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2462 #endif /* GCC_GFORTRAN_H */