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, EXPR_COMPCALL
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 symbol_attribute attr;
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;
995 /* Data needed for type-bound procedures. */
998 struct gfc_symtree* target;
999 locus where; /* Where the PROCEDURE definition was. */
1002 char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1004 /* Once resolved, we use the position of pass_arg in the formal arglist of
1005 the binding-target procedure to identify it. The first argument has
1006 number 1 here, the second 2, and so on. */
1007 unsigned pass_arg_num;
1009 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1010 unsigned non_overridable:1;
1014 #define gfc_get_typebound_proc() XCNEW (gfc_typebound_proc)
1017 /* Symbol nodes. These are important things. They are what the
1018 standard refers to as "entities". The possibly multiple names that
1019 refer to the same entity are accomplished by a binary tree of
1020 symtree structures that is balanced by the red-black method-- more
1021 than one symtree node can point to any given symbol. */
1023 typedef struct gfc_symbol
1025 const char *name; /* Primary name, before renaming */
1026 const char *module; /* Module this symbol came from */
1030 symbol_attribute attr;
1032 /* The formal member points to the formal argument list if the
1033 symbol is a function or subroutine name. If the symbol is a
1034 generic name, the generic member points to the list of
1037 gfc_interface *generic;
1038 gfc_access component_access;
1040 gfc_formal_arglist *formal;
1041 struct gfc_namespace *formal_ns;
1042 struct gfc_namespace *f2k_derived;
1044 struct gfc_expr *value; /* Parameter/Initializer value */
1046 struct gfc_symbol *result; /* function result symbol */
1047 gfc_component *components; /* Derived type components */
1049 /* Defined only for Cray pointees; points to their pointer. */
1050 struct gfc_symbol *cp_pointer;
1052 struct gfc_symbol *common_next; /* Links for COMMON syms */
1054 /* This is in fact a gfc_common_head but it is only used for pointer
1055 comparisons to check if symbols are in the same common block. */
1056 struct gfc_common_head* common_head;
1058 /* Make sure setup code for dummy arguments is generated in the correct
1064 gfc_namelist *namelist, *namelist_tail;
1066 /* Change management fields. Symbols that might be modified by the
1067 current statement have the mark member nonzero and are kept in a
1068 singly linked list through the tlink field. Of these symbols,
1069 symbols with old_symbol equal to NULL are symbols created within
1070 the current statement. Otherwise, old_symbol points to a copy of
1073 struct gfc_symbol *old_symbol, *tlink;
1074 unsigned mark:1, gfc_new:1;
1075 /* Nonzero if all equivalences associated with this symbol have been
1077 unsigned equiv_built:1;
1078 /* Set if this variable is used as an index name in a FORALL. */
1079 unsigned forall_index:1;
1081 struct gfc_namespace *ns; /* namespace containing this symbol */
1085 /* Identity of the intrinsic module the symbol comes from, or
1086 INTMOD_NONE if it's not imported from a intrinsic module. */
1087 intmod_id from_intmod;
1088 /* Identity of the symbol from intrinsic modules, from enums maintained
1089 separately by each intrinsic module. Used together with from_intmod,
1090 it uniquely identifies a symbol from an intrinsic module. */
1093 /* This may be repetitive, since the typespec now has a binding
1095 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1096 /* Store a reference to the common_block, if this symbol is in one. */
1097 struct gfc_common_head *common_block;
1102 /* This structure is used to keep track of symbols in common blocks. */
1103 typedef struct gfc_common_head
1106 char use_assoc, saved, threadprivate;
1107 char name[GFC_MAX_SYMBOL_LEN + 1];
1108 struct gfc_symbol *head;
1109 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1114 #define gfc_get_common_head() XCNEW (gfc_common_head)
1117 /* A list of all the alternate entry points for a procedure. */
1119 typedef struct gfc_entry_list
1121 /* The symbol for this entry point. */
1123 /* The zero-based id of this entry point. */
1125 /* The LABEL_EXPR marking this entry point. */
1127 /* The nest item in the list. */
1128 struct gfc_entry_list *next;
1132 #define gfc_get_entry_list() \
1133 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1135 /* Within a namespace, symbols are pointed to by symtree nodes that
1136 are linked together in a balanced binary tree. There can be
1137 several symtrees pointing to the same symbol node via USE
1140 typedef struct gfc_symtree
1142 BBT_HEADER (gfc_symtree);
1147 gfc_symbol *sym; /* Symbol associated with this node */
1149 gfc_common_head *common;
1153 /* Data for type-bound procedures; NULL if no type-bound procedure. */
1154 gfc_typebound_proc* typebound;
1158 /* A linked list of derived types in the namespace. */
1159 typedef struct gfc_dt_list
1161 struct gfc_symbol *derived;
1162 struct gfc_dt_list *next;
1166 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1168 /* A list of all derived types. */
1169 extern gfc_dt_list *gfc_derived_types;
1171 /* A namespace describes the contents of procedure, module or
1173 /* ??? Anything else use these? */
1175 typedef struct gfc_namespace
1177 /* Tree containing all the symbols in this namespace. */
1178 gfc_symtree *sym_root;
1179 /* Tree containing all the user-defined operators in the namespace. */
1180 gfc_symtree *uop_root;
1181 /* Tree containing all the common blocks. */
1182 gfc_symtree *common_root;
1183 /* Linked list of finalizer procedures. */
1184 struct gfc_finalizer *finalizers;
1186 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1187 int set_flag[GFC_LETTERS];
1188 /* Keeps track of the implicit types associated with the letters. */
1189 gfc_typespec default_type[GFC_LETTERS];
1191 /* If this is a namespace of a procedure, this points to the procedure. */
1192 struct gfc_symbol *proc_name;
1193 /* If this is the namespace of a unit which contains executable
1194 code, this points to it. */
1195 struct gfc_code *code;
1197 /* Points to the equivalences set up in this namespace. */
1198 struct gfc_equiv *equiv;
1200 /* Points to the equivalence groups produced by trans_common. */
1201 struct gfc_equiv_list *equiv_lists;
1203 gfc_interface *op[GFC_INTRINSIC_OPS];
1205 /* Points to the parent namespace, i.e. the namespace of a module or
1206 procedure in which the procedure belonging to this namespace is
1207 contained. The parent namespace points to this namespace either
1208 directly via CONTAINED, or indirectly via the chain built by
1210 struct gfc_namespace *parent;
1211 /* CONTAINED points to the first contained namespace. Sibling
1212 namespaces are chained via SIBLING. */
1213 struct gfc_namespace *contained, *sibling;
1215 gfc_common_head blank_common;
1216 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1218 gfc_st_label *st_labels;
1219 /* This list holds information about all the data initializers in
1221 struct gfc_data *data;
1223 gfc_charlen *cl_list;
1225 int save_all, seen_save, seen_implicit_none;
1227 /* Normally we don't need to refcount namespaces. However when we read
1228 a module containing a function with multiple entry points, this
1229 will appear as several functions with the same formal namespace. */
1232 /* A list of all alternate entry points to this procedure (or NULL). */
1233 gfc_entry_list *entries;
1235 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1238 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1243 extern gfc_namespace *gfc_current_ns;
1245 /* Global symbols are symbols of global scope. Currently we only use
1246 this to detect collisions already when parsing.
1247 TODO: Extend to verify procedure calls. */
1249 typedef struct gfc_gsymbol
1251 BBT_HEADER(gfc_gsymbol);
1254 const char *sym_name;
1255 const char *mod_name;
1256 const char *binding_label;
1257 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1258 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1265 extern gfc_gsymbol *gfc_gsym_root;
1267 /* Information on interfaces being built. */
1270 interface_type type;
1274 gfc_intrinsic_op op;
1278 extern gfc_interface_info current_interface;
1281 /* Array reference. */
1282 typedef struct gfc_array_ref
1285 int dimen; /* # of components in the reference */
1289 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1290 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1291 *stride[GFC_MAX_DIMENSIONS];
1294 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1295 dimen_type[GFC_MAX_DIMENSIONS];
1297 struct gfc_expr *offset;
1301 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1304 /* Component reference nodes. A variable is stored as an expression
1305 node that points to the base symbol. After that, a singly linked
1306 list of component reference nodes gives the variable's complete
1307 resolution. The array_ref component may be present and comes
1308 before the component component. */
1311 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1314 typedef struct gfc_ref
1320 struct gfc_array_ref ar;
1324 gfc_component *component;
1331 struct gfc_expr *start, *end; /* Substring */
1332 gfc_charlen *length;
1339 struct gfc_ref *next;
1343 #define gfc_get_ref() XCNEW (gfc_ref)
1346 /* Structures representing intrinsic symbols and their arguments lists. */
1347 typedef struct gfc_intrinsic_arg
1349 char name[GFC_MAX_SYMBOL_LEN + 1];
1353 gfc_actual_arglist *actual;
1355 struct gfc_intrinsic_arg *next;
1361 /* Specifies the various kinds of check functions used to verify the
1362 argument lists of intrinsic functions. fX with X an integer refer
1363 to check functions of intrinsics with X arguments. f1m is used for
1364 the MAX and MIN intrinsics which can have an arbitrary number of
1365 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1366 these have special semantics. */
1370 gfc_try (*f0)(void);
1371 gfc_try (*f1)(struct gfc_expr *);
1372 gfc_try (*f1m)(gfc_actual_arglist *);
1373 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1374 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1375 gfc_try (*f3ml)(gfc_actual_arglist *);
1376 gfc_try (*f3red)(gfc_actual_arglist *);
1377 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1379 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1380 struct gfc_expr *, struct gfc_expr *);
1384 /* Like gfc_check_f, these specify the type of the simplification
1385 function associated with an intrinsic. The fX are just like in
1386 gfc_check_f. cc is used for type conversion functions. */
1390 struct gfc_expr *(*f0)(void);
1391 struct gfc_expr *(*f1)(struct gfc_expr *);
1392 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1393 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1395 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1396 struct gfc_expr *, struct gfc_expr *);
1397 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1398 struct gfc_expr *, struct gfc_expr *,
1400 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1404 /* Again like gfc_check_f, these specify the type of the resolution
1405 function associated with an intrinsic. The fX are just like in
1406 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1410 void (*f0)(struct gfc_expr *);
1411 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1412 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1413 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1414 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1416 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1417 struct gfc_expr *, struct gfc_expr *);
1418 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1419 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1420 void (*s1)(struct gfc_code *);
1425 typedef struct gfc_intrinsic_sym
1427 const char *name, *lib_name;
1428 gfc_intrinsic_arg *formal;
1430 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1431 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1435 gfc_simplify_f simplify;
1437 gfc_resolve_f resolve;
1438 struct gfc_intrinsic_sym *specific_head, *next;
1445 /* Expression nodes. The expression node types deserve explanations,
1446 since the last couple can be easily misconstrued:
1448 EXPR_OP Operator node pointing to one or two other nodes
1449 EXPR_FUNCTION Function call, symbol points to function's name
1450 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1451 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1452 which expresses structure, array and substring refs.
1453 EXPR_NULL The NULL pointer value (which also has a basic type).
1454 EXPR_SUBSTRING A substring of a constant string
1455 EXPR_STRUCTURE A structure constructor
1456 EXPR_ARRAY An array constructor.
1457 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1458 component or type-bound procedure. */
1462 #define GFC_RND_MODE GMP_RNDN
1464 typedef struct gfc_expr
1468 gfc_typespec ts; /* These two refer to the overall expression */
1471 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1473 /* Nonnull for functions and structure constructors, the base object for
1475 gfc_symtree *symtree;
1481 /* True if the expression is a call to a function that returns an array,
1482 and if we have decided not to allocate temporary data for that array. */
1483 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
1485 /* Used to quickly find a given constructor by its offset. */
1486 splay_tree con_by_offset;
1488 /* If an expression comes from a Hollerith constant or compile-time
1489 evaluation of a transfer statement, it may have a prescribed target-
1490 memory representation, and these cannot always be backformed from
1517 gfc_intrinsic_op op;
1519 struct gfc_expr *op1, *op2;
1525 gfc_actual_arglist *actual;
1526 const char *name; /* Points to the ultimate name of the function */
1527 gfc_intrinsic_sym *isym;
1534 gfc_actual_arglist* actual;
1546 struct gfc_constructor *constructor;
1554 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1556 /* Structures for information associated with different kinds of
1557 numbers. The first set of integer parameters define all there is
1558 to know about a particular kind. The rest of the elements are
1559 computed from the first elements. */
1563 /* Values really representable by the target. */
1564 mpz_t huge, pedantic_min_int, min_int;
1566 int kind, radix, digits, bit_size, range;
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_char : 1;
1571 unsigned int c_short : 1;
1572 unsigned int c_int : 1;
1573 unsigned int c_long : 1;
1574 unsigned int c_long_long : 1;
1578 extern gfc_integer_info gfc_integer_kinds[];
1585 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1586 unsigned int c_bool : 1;
1590 extern gfc_logical_info gfc_logical_kinds[];
1595 mpfr_t epsilon, huge, tiny, subnormal;
1596 int kind, radix, digits, min_exponent, max_exponent;
1597 int range, precision;
1599 /* The precision of the type as reported by GET_MODE_PRECISION. */
1602 /* True if the C type of the given name maps to this precision.
1603 Note that more than one bit can be set. */
1604 unsigned int c_float : 1;
1605 unsigned int c_double : 1;
1606 unsigned int c_long_double : 1;
1610 extern gfc_real_info gfc_real_kinds[];
1619 extern gfc_character_info gfc_character_kinds[];
1622 /* Equivalence structures. Equivalent lvalues are linked along the
1623 *eq pointer, equivalence sets are strung along the *next node. */
1624 typedef struct gfc_equiv
1626 struct gfc_equiv *next, *eq;
1633 #define gfc_get_equiv() XCNEW (gfc_equiv)
1635 /* Holds a single equivalence member after processing. */
1636 typedef struct gfc_equiv_info
1639 HOST_WIDE_INT offset;
1640 HOST_WIDE_INT length;
1641 struct gfc_equiv_info *next;
1644 /* Holds equivalence groups, after they have been processed. */
1645 typedef struct gfc_equiv_list
1647 gfc_equiv_info *equiv;
1648 struct gfc_equiv_list *next;
1651 /* gfc_case stores the selector list of a case statement. The *low
1652 and *high pointers can point to the same expression in the case of
1653 a single value. If *high is NULL, the selection is from *low
1654 upwards, if *low is NULL the selection is *high downwards.
1656 This structure has separate fields to allow single and double linked
1657 lists of CASEs at the same time. The singe linked list along the NEXT
1658 field is a list of cases for a single CASE label. The double linked
1659 list along the LEFT/RIGHT fields is used to detect overlap and to
1660 build a table of the cases for SELECT constructs with a CHARACTER
1663 typedef struct gfc_case
1665 /* Where we saw this case. */
1669 /* Case range values. If (low == high), it's a single value. If one of
1670 the labels is NULL, it's an unbounded case. If both are NULL, this
1671 represents the default case. */
1672 gfc_expr *low, *high;
1674 /* Next case label in the list of cases for a single CASE label. */
1675 struct gfc_case *next;
1677 /* Used for detecting overlap, and for code generation. */
1678 struct gfc_case *left, *right;
1680 /* True if this case label can never be matched. */
1685 #define gfc_get_case() XCNEW (gfc_case)
1690 gfc_expr *var, *start, *end, *step;
1694 #define gfc_get_iterator() XCNEW (gfc_iterator)
1697 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1699 typedef struct gfc_alloc
1702 struct gfc_alloc *next;
1706 #define gfc_get_alloc() XCNEW (gfc_alloc)
1711 gfc_expr *unit, *file, *status, *access, *form, *recl,
1712 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1713 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1721 gfc_expr *unit, *status, *iostat, *iomsg;
1729 gfc_expr *unit, *iostat, *iomsg;
1737 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1738 *name, *access, *sequential, *direct, *form, *formatted,
1739 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1740 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1741 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1751 gfc_expr *unit, *iostat, *iomsg, *id;
1752 gfc_st_label *err, *end, *eor;
1759 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1760 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1761 *sign, *extra_comma;
1763 gfc_symbol *namelist;
1764 /* A format_label of `format_asterisk' indicates the "*" format */
1765 gfc_st_label *format_label;
1766 gfc_st_label *err, *end, *eor;
1768 locus eor_where, end_where, err_where;
1773 typedef struct gfc_forall_iterator
1775 gfc_expr *var, *start, *end, *stride;
1776 struct gfc_forall_iterator *next;
1778 gfc_forall_iterator;
1781 /* Executable statements that fill gfc_code structures. */
1784 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1785 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
1786 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1787 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1788 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1789 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1790 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1791 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1792 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1793 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1794 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1795 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1796 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1797 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1798 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1802 typedef struct gfc_code
1806 struct gfc_code *block, *next;
1809 gfc_st_label *here, *label, *label2, *label3;
1810 gfc_symtree *symtree;
1811 gfc_expr *expr, *expr2;
1812 /* A name isn't sufficient to identify a subroutine, we need the actual
1813 symbol for the interface definition.
1814 const char *sub_name; */
1815 gfc_symbol *resolved_sym;
1819 gfc_actual_arglist *actual;
1820 gfc_case *case_list;
1821 gfc_iterator *iterator;
1822 gfc_alloc *alloc_list;
1825 gfc_filepos *filepos;
1826 gfc_inquire *inquire;
1829 gfc_forall_iterator *forall_iterator;
1830 struct gfc_code *whichloop;
1832 gfc_entry_list *entry;
1833 gfc_omp_clauses *omp_clauses;
1834 const char *omp_name;
1835 gfc_namelist *omp_namelist;
1838 ext; /* Points to additional structures required by statement */
1840 /* Backend_decl is used for cycle and break labels in do loops, and
1841 probably for other constructs as well, once we translate them. */
1847 /* Storage for DATA statements. */
1848 typedef struct gfc_data_variable
1852 struct gfc_data_variable *list, *next;
1857 typedef struct gfc_data_value
1861 struct gfc_data_value *next;
1866 typedef struct gfc_data
1868 gfc_data_variable *var;
1869 gfc_data_value *value;
1872 struct gfc_data *next;
1877 /* Structure for holding compile options */
1881 gfc_source_form source_form;
1882 /* Maximum line lengths in fixed- and free-form source, respectively.
1883 When fixed_line_length or free_line_length are 0, the whole line is used,
1884 regardless of length.
1886 If the user requests a fixed_line_length <7 then gfc_init_options()
1887 emits a fatal error. */
1888 int fixed_line_length;
1889 int free_line_length;
1890 /* Maximum number of continuation lines in fixed- and free-form source,
1892 int max_continue_fixed;
1893 int max_continue_free;
1894 int max_identifier_length;
1895 int dump_parse_tree;
1899 int warn_conversion;
1900 int warn_implicit_interface;
1901 int warn_line_truncation;
1902 int warn_surprising;
1905 int warn_intrinsic_shadow;
1906 int warn_intrinsics_std;
1907 int warn_character_truncation;
1908 int warn_array_temp;
1911 int flag_all_intrinsics;
1912 int flag_default_double;
1913 int flag_default_integer;
1914 int flag_default_real;
1916 int flag_underscoring;
1917 int flag_second_underscore;
1918 int flag_implicit_none;
1919 int flag_max_stack_var_size;
1920 int flag_range_check;
1921 int flag_pack_derived;
1922 int flag_repack_arrays;
1923 int flag_preprocessed;
1928 int flag_check_array_temporaries;
1929 int flag_allow_leading_underscore;
1931 int flag_external_blas;
1932 int blas_matmul_limit;
1933 int flag_cray_pointer;
1937 int flag_module_private;
1939 int flag_init_local_zero;
1940 int flag_init_integer;
1941 int flag_init_integer_value;
1943 int flag_init_logical;
1944 int flag_init_character;
1945 char flag_init_character_value;
1954 int max_subrecord_length;
1958 extern gfc_option_t gfc_option;
1960 /* Constructor nodes for array and structure constructors. */
1961 typedef struct gfc_constructor
1964 gfc_iterator *iterator;
1966 struct gfc_constructor *next;
1969 mpz_t offset; /* Record the offset of array element which appears in
1970 data statement like "data a(5)/4/". */
1971 gfc_component *component; /* Record the component being initialized. */
1974 mpz_t repeat; /* Record the repeat number of initial values in data
1975 statement like "data a/5*10/". */
1980 typedef struct iterator_stack
1982 gfc_symtree *variable;
1984 struct iterator_stack *prev;
1987 extern iterator_stack *iter_stack;
1990 /* Node in the linked list used for storing finalizer procedures. */
1992 typedef struct gfc_finalizer
1994 struct gfc_finalizer* next;
1995 locus where; /* Where the FINAL declaration occurred. */
1997 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
1998 symtree and later need only that. This way, we can access and call the
1999 finalizers from every context as they should be "always accessible". I
2000 don't make this a union because we need the information whether proc_sym is
2001 still referenced or not for dereferencing it on deleting a gfc_finalizer
2003 gfc_symbol* proc_sym;
2004 gfc_symtree* proc_tree;
2007 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2010 /************************ Function prototypes *************************/
2013 bool gfc_in_match_data (void);
2016 void gfc_scanner_done_1 (void);
2017 void gfc_scanner_init_1 (void);
2019 void gfc_add_include_path (const char *, bool);
2020 void gfc_add_intrinsic_modules_path (const char *);
2021 void gfc_release_include_path (void);
2022 FILE *gfc_open_included_file (const char *, bool, bool);
2023 FILE *gfc_open_intrinsic_module (const char *);
2025 int gfc_at_end (void);
2026 int gfc_at_eof (void);
2027 int gfc_at_bol (void);
2028 int gfc_at_eol (void);
2029 void gfc_advance_line (void);
2030 int gfc_check_include (void);
2031 int gfc_define_undef_line (void);
2033 int gfc_wide_is_printable (gfc_char_t);
2034 int gfc_wide_is_digit (gfc_char_t);
2035 int gfc_wide_fits_in_byte (gfc_char_t);
2036 gfc_char_t gfc_wide_tolower (gfc_char_t);
2037 gfc_char_t gfc_wide_toupper (gfc_char_t);
2038 size_t gfc_wide_strlen (const gfc_char_t *);
2039 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2040 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2041 char *gfc_widechar_to_char (const gfc_char_t *, int);
2042 gfc_char_t *gfc_char_to_widechar (const char *);
2044 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2046 void gfc_skip_comments (void);
2047 gfc_char_t gfc_next_char_literal (int);
2048 gfc_char_t gfc_next_char (void);
2049 char gfc_next_ascii_char (void);
2050 gfc_char_t gfc_peek_char (void);
2051 char gfc_peek_ascii_char (void);
2052 void gfc_error_recovery (void);
2053 void gfc_gobble_whitespace (void);
2054 gfc_try gfc_new_file (void);
2055 const char * gfc_read_orig_filename (const char *, const char **);
2057 extern gfc_source_form gfc_current_form;
2058 extern const char *gfc_source_file;
2059 extern locus gfc_current_locus;
2061 void gfc_start_source_files (void);
2062 void gfc_end_source_files (void);
2065 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2066 void gfc_free (void *);
2067 int gfc_terminal_width (void);
2068 void gfc_clear_ts (gfc_typespec *);
2069 FILE *gfc_open_file (const char *);
2070 const char *gfc_basic_typename (bt);
2071 const char *gfc_typename (gfc_typespec *);
2072 const char *gfc_op2string (gfc_intrinsic_op);
2073 const char *gfc_code2string (const mstring *, int);
2074 int gfc_string2code (const mstring *, const char *);
2075 const char *gfc_intent_string (sym_intent);
2077 void gfc_init_1 (void);
2078 void gfc_init_2 (void);
2079 void gfc_done_1 (void);
2080 void gfc_done_2 (void);
2082 int get_c_kind (const char *, CInteropKind_t *);
2085 unsigned int gfc_init_options (unsigned int, const char **);
2086 int gfc_handle_option (size_t, const char *, int);
2087 bool gfc_post_options (const char **);
2090 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2091 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2095 typedef struct gfc_error_buf
2098 size_t allocated, index;
2102 void gfc_error_init_1 (void);
2103 void gfc_buffer_error (int);
2105 const char *gfc_print_wide_char (gfc_char_t);
2107 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2108 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2109 void gfc_clear_warning (void);
2110 void gfc_warning_check (void);
2112 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2113 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2114 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2115 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2116 void gfc_clear_error (void);
2117 int gfc_error_check (void);
2118 int gfc_error_flag_test (void);
2120 notification gfc_notification_std (int);
2121 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2123 /* A general purpose syntax error. */
2124 #define gfc_syntax_error(ST) \
2125 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2127 void gfc_push_error (gfc_error_buf *);
2128 void gfc_pop_error (gfc_error_buf *);
2129 void gfc_free_error (gfc_error_buf *);
2131 void gfc_get_errors (int *, int *);
2134 void gfc_arith_init_1 (void);
2135 void gfc_arith_done_1 (void);
2136 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2137 arith gfc_check_integer_range (mpz_t p, int kind);
2138 bool gfc_check_character_range (gfc_char_t, int);
2141 gfc_try gfc_validate_c_kind (gfc_typespec *);
2142 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2143 int gfc_validate_kind (bt, int, bool);
2144 extern int gfc_index_integer_kind;
2145 extern int gfc_default_integer_kind;
2146 extern int gfc_max_integer_kind;
2147 extern int gfc_default_real_kind;
2148 extern int gfc_default_double_kind;
2149 extern int gfc_default_character_kind;
2150 extern int gfc_default_logical_kind;
2151 extern int gfc_default_complex_kind;
2152 extern int gfc_c_int_kind;
2153 extern int gfc_intio_kind;
2154 extern int gfc_charlen_int_kind;
2155 extern int gfc_numeric_storage_size;
2156 extern int gfc_character_storage_size;
2159 void gfc_clear_new_implicit (void);
2160 gfc_try gfc_add_new_implicit_range (int, int);
2161 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2162 void gfc_set_implicit_none (void);
2163 void gfc_check_function_type (gfc_namespace *);
2164 bool gfc_is_intrinsic_typename (const char *);
2166 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
2167 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2169 void gfc_set_sym_referenced (gfc_symbol *);
2171 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2172 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2173 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2174 gfc_try gfc_add_external (symbol_attribute *, locus *);
2175 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2176 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2177 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2178 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2179 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2180 gfc_try gfc_mod_pointee_as (gfc_array_spec *);
2181 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2182 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2183 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2184 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2185 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2186 gfc_try gfc_add_target (symbol_attribute *, locus *);
2187 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2188 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2189 gfc_try gfc_add_common (symbol_attribute *, locus *);
2190 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2191 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2192 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2193 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2194 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2195 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2196 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2197 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2198 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2199 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2200 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2201 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2203 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2204 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2205 gfc_try gfc_add_extension (symbol_attribute *, locus *);
2206 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2207 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2208 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2209 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2210 const char *, locus *);
2211 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2212 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2213 gfc_formal_arglist *, locus *);
2214 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2216 void gfc_clear_attr (symbol_attribute *);
2217 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2218 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2220 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2221 gfc_symbol *gfc_use_derived (gfc_symbol *);
2222 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2223 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool);
2225 gfc_st_label *gfc_get_st_label (int);
2226 void gfc_free_st_label (gfc_st_label *);
2227 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2228 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2230 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2232 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2233 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2234 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2235 void gfc_delete_symtree (gfc_symtree **, const char *);
2236 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2237 gfc_user_op *gfc_get_uop (const char *);
2238 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2239 void gfc_free_symbol (gfc_symbol *);
2240 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2241 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2242 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2243 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2244 gfc_try verify_c_interop (gfc_typespec *, const char *name, locus *where);
2245 gfc_try verify_c_interop_param (gfc_symbol *);
2246 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2247 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2248 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2249 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2250 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2251 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2252 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2253 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2255 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2257 void gfc_undo_symbols (void);
2258 void gfc_commit_symbols (void);
2259 void gfc_commit_symbol (gfc_symbol *);
2260 void gfc_free_namespace (gfc_namespace *);
2262 void gfc_symbol_init_2 (void);
2263 void gfc_symbol_done_2 (void);
2265 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2266 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2267 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2268 void gfc_save_all (gfc_namespace *);
2270 void gfc_symbol_state (void);
2272 gfc_gsymbol *gfc_get_gsymbol (const char *);
2273 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2275 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
2276 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool);
2278 void copy_formal_args (gfc_symbol *dest, gfc_symbol *src);
2280 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2282 gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
2285 extern int gfc_init_expr;
2287 /* Given a symbol that we have decided is intrinsic, mark it as such
2288 by placing it into a special module that is otherwise impossible to
2291 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2293 void gfc_intrinsic_init_1 (void);
2294 void gfc_intrinsic_done_1 (void);
2296 char gfc_type_letter (bt);
2297 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2298 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2299 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2300 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2301 int gfc_generic_intrinsic (const char *);
2302 int gfc_specific_intrinsic (const char *);
2303 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2304 int gfc_intrinsic_actual_ok (const char *, const bool);
2305 gfc_intrinsic_sym *gfc_find_function (const char *);
2306 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2308 match gfc_intrinsic_func_interface (gfc_expr *, int);
2309 match gfc_intrinsic_sub_interface (gfc_code *, int);
2311 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2312 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2315 /* match.c -- FIXME */
2316 void gfc_free_iterator (gfc_iterator *, int);
2317 void gfc_free_forall_iterator (gfc_forall_iterator *);
2318 void gfc_free_alloc_list (gfc_alloc *);
2319 void gfc_free_namelist (gfc_namelist *);
2320 void gfc_free_equiv (gfc_equiv *);
2321 void gfc_free_data (gfc_data *);
2322 void gfc_free_case_list (gfc_case *);
2324 /* matchexp.c -- FIXME too? */
2325 gfc_expr *gfc_get_parentheses (gfc_expr *);
2328 void gfc_free_omp_clauses (gfc_omp_clauses *);
2329 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2330 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2331 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2332 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2335 void gfc_free_actual_arglist (gfc_actual_arglist *);
2336 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2337 const char *gfc_extract_int (gfc_expr *, int *);
2338 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2339 bool is_subref_array (gfc_expr *);
2341 gfc_expr *gfc_build_conversion (gfc_expr *);
2342 void gfc_free_ref_list (gfc_ref *);
2343 void gfc_type_convert_binary (gfc_expr *);
2344 int gfc_is_constant_expr (gfc_expr *);
2345 gfc_try gfc_simplify_expr (gfc_expr *, int);
2346 int gfc_has_vector_index (gfc_expr *);
2348 gfc_expr *gfc_get_expr (void);
2349 void gfc_free_expr (gfc_expr *);
2350 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2351 gfc_expr *gfc_int_expr (int);
2352 gfc_expr *gfc_logical_expr (int, locus *);
2353 mpz_t *gfc_copy_shape (mpz_t *, int);
2354 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2355 gfc_expr *gfc_copy_expr (gfc_expr *);
2356 gfc_ref* gfc_copy_ref (gfc_ref*);
2358 gfc_try gfc_specification_expr (gfc_expr *);
2360 int gfc_numeric_ts (gfc_typespec *);
2361 int gfc_kind_max (gfc_expr *, gfc_expr *);
2363 gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2364 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2365 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2366 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2368 gfc_expr *gfc_default_initializer (gfc_typespec *);
2369 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2371 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2372 bool (*)(gfc_expr *, gfc_symbol *, int*),
2374 void gfc_expr_set_symbols_referenced (gfc_expr *);
2376 gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
2379 extern gfc_code new_st;
2381 void gfc_clear_new_st (void);
2382 gfc_code *gfc_get_code (void);
2383 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2384 void gfc_free_statement (gfc_code *);
2385 void gfc_free_statements (gfc_code *);
2388 gfc_try gfc_resolve_expr (gfc_expr *);
2389 void gfc_resolve (gfc_namespace *);
2390 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2391 int gfc_impure_variable (gfc_symbol *);
2392 int gfc_pure (gfc_symbol *);
2393 int gfc_elemental (gfc_symbol *);
2394 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2395 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2396 gfc_try gfc_resolve_index (gfc_expr *, int);
2397 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2398 int gfc_is_formal_arg (void);
2399 void gfc_resolve_substring_charlen (gfc_expr *);
2400 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2404 void gfc_free_array_spec (gfc_array_spec *);
2405 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2407 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2408 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2409 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2411 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2413 gfc_expr *gfc_start_constructor (bt, int, locus *);
2414 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2415 void gfc_free_constructor (gfc_constructor *);
2416 void gfc_simplify_iterator_var (gfc_expr *);
2417 gfc_try gfc_expand_constructor (gfc_expr *);
2418 int gfc_constant_ac (gfc_expr *);
2419 int gfc_expanded_ac (gfc_expr *);
2420 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2421 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2422 gfc_try gfc_check_constructor_type (gfc_expr *);
2423 gfc_try gfc_check_iter_variable (gfc_expr *);
2424 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2425 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2426 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2427 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2428 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2429 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2430 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2431 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2432 gfc_constructor *gfc_get_constructor (void);
2433 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2434 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2435 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2436 int gfc_is_compile_time_shape (gfc_array_spec *);
2438 /* interface.c -- FIXME: some of these should be in symbol.c */
2439 void gfc_free_interface (gfc_interface *);
2440 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2441 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2442 void gfc_check_interfaces (gfc_namespace *);
2443 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2444 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2445 gfc_actual_arglist **);
2446 gfc_try gfc_extend_expr (gfc_expr *);
2447 void gfc_free_formal_arglist (gfc_formal_arglist *);
2448 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2449 gfc_try gfc_add_interface (gfc_symbol *);
2450 gfc_interface *gfc_current_interface_head (void);
2451 void gfc_set_current_interface_head (gfc_interface *);
2452 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
2455 extern gfc_st_label format_asterisk;
2457 void gfc_free_open (gfc_open *);
2458 gfc_try gfc_resolve_open (gfc_open *);
2459 void gfc_free_close (gfc_close *);
2460 gfc_try gfc_resolve_close (gfc_close *);
2461 void gfc_free_filepos (gfc_filepos *);
2462 gfc_try gfc_resolve_filepos (gfc_filepos *);
2463 void gfc_free_inquire (gfc_inquire *);
2464 gfc_try gfc_resolve_inquire (gfc_inquire *);
2465 void gfc_free_dt (gfc_dt *);
2466 gfc_try gfc_resolve_dt (gfc_dt *);
2467 void gfc_free_wait (gfc_wait *);
2468 gfc_try gfc_resolve_wait (gfc_wait *);
2471 void gfc_module_init_2 (void);
2472 void gfc_module_done_2 (void);
2473 void gfc_dump_module (const char *, int);
2474 bool gfc_check_access (gfc_access, gfc_access);
2477 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2478 symbol_attribute gfc_expr_attr (gfc_expr *);
2479 match gfc_match_rvalue (gfc_expr **);
2480 match gfc_match_varspec (gfc_expr*, int, bool);
2481 int gfc_check_digit (char, int);
2484 void gfc_generate_code (gfc_namespace *);
2485 void gfc_generate_module_code (gfc_namespace *);
2488 typedef int (*compare_fn) (void *, void *);
2489 void gfc_insert_bbt (void *, void *, compare_fn);
2490 void gfc_delete_bbt (void *, void *, compare_fn);
2492 /* dump-parse-tree.c */
2493 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2496 gfc_try gfc_parse_file (void);
2497 void gfc_global_used (gfc_gsymbol *, locus *);
2500 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2502 #endif /* GCC_GFORTRAN_H */