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 /* Lists of rename info for the USE statement. */
1137 typedef struct gfc_use_rename
1139 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
1140 struct gfc_use_rename *next;
1142 gfc_intrinsic_op op;
1147 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1149 /* A list of all USE statements in a namespace. */
1151 typedef struct gfc_use_list
1153 const char *module_name;
1155 struct gfc_use_rename *rename;
1156 /* Next USE statement. */
1157 struct gfc_use_list *next;
1161 #define gfc_get_use_list() \
1162 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1164 /* Within a namespace, symbols are pointed to by symtree nodes that
1165 are linked together in a balanced binary tree. There can be
1166 several symtrees pointing to the same symbol node via USE
1169 typedef struct gfc_symtree
1171 BBT_HEADER (gfc_symtree);
1176 gfc_symbol *sym; /* Symbol associated with this node */
1178 gfc_common_head *common;
1182 /* Data for type-bound procedures; NULL if no type-bound procedure. */
1183 gfc_typebound_proc* typebound;
1187 /* A linked list of derived types in the namespace. */
1188 typedef struct gfc_dt_list
1190 struct gfc_symbol *derived;
1191 struct gfc_dt_list *next;
1195 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1197 /* A list of all derived types. */
1198 extern gfc_dt_list *gfc_derived_types;
1200 /* A namespace describes the contents of procedure, module or
1202 /* ??? Anything else use these? */
1204 typedef struct gfc_namespace
1206 /* Tree containing all the symbols in this namespace. */
1207 gfc_symtree *sym_root;
1208 /* Tree containing all the user-defined operators in the namespace. */
1209 gfc_symtree *uop_root;
1210 /* Tree containing all the common blocks. */
1211 gfc_symtree *common_root;
1212 /* Linked list of finalizer procedures. */
1213 struct gfc_finalizer *finalizers;
1215 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1216 int set_flag[GFC_LETTERS];
1217 /* Keeps track of the implicit types associated with the letters. */
1218 gfc_typespec default_type[GFC_LETTERS];
1220 /* If this is a namespace of a procedure, this points to the procedure. */
1221 struct gfc_symbol *proc_name;
1222 /* If this is the namespace of a unit which contains executable
1223 code, this points to it. */
1224 struct gfc_code *code;
1226 /* Points to the equivalences set up in this namespace. */
1227 struct gfc_equiv *equiv;
1229 /* Points to the equivalence groups produced by trans_common. */
1230 struct gfc_equiv_list *equiv_lists;
1232 gfc_interface *op[GFC_INTRINSIC_OPS];
1234 /* Points to the parent namespace, i.e. the namespace of a module or
1235 procedure in which the procedure belonging to this namespace is
1236 contained. The parent namespace points to this namespace either
1237 directly via CONTAINED, or indirectly via the chain built by
1239 struct gfc_namespace *parent;
1240 /* CONTAINED points to the first contained namespace. Sibling
1241 namespaces are chained via SIBLING. */
1242 struct gfc_namespace *contained, *sibling;
1244 gfc_common_head blank_common;
1245 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1247 gfc_st_label *st_labels;
1248 /* This list holds information about all the data initializers in
1250 struct gfc_data *data;
1252 gfc_charlen *cl_list;
1254 int save_all, seen_save, seen_implicit_none;
1256 /* Normally we don't need to refcount namespaces. However when we read
1257 a module containing a function with multiple entry points, this
1258 will appear as several functions with the same formal namespace. */
1261 /* A list of all alternate entry points to this procedure (or NULL). */
1262 gfc_entry_list *entries;
1264 /* A list of USE statements in this namespace. */
1265 gfc_use_list *use_stmts;
1267 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1270 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1275 extern gfc_namespace *gfc_current_ns;
1277 /* Global symbols are symbols of global scope. Currently we only use
1278 this to detect collisions already when parsing.
1279 TODO: Extend to verify procedure calls. */
1281 typedef struct gfc_gsymbol
1283 BBT_HEADER(gfc_gsymbol);
1286 const char *sym_name;
1287 const char *mod_name;
1288 const char *binding_label;
1289 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1290 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1297 extern gfc_gsymbol *gfc_gsym_root;
1299 /* Information on interfaces being built. */
1302 interface_type type;
1306 gfc_intrinsic_op op;
1310 extern gfc_interface_info current_interface;
1313 /* Array reference. */
1314 typedef struct gfc_array_ref
1317 int dimen; /* # of components in the reference */
1321 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1322 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1323 *stride[GFC_MAX_DIMENSIONS];
1326 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1327 dimen_type[GFC_MAX_DIMENSIONS];
1329 struct gfc_expr *offset;
1333 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1336 /* Component reference nodes. A variable is stored as an expression
1337 node that points to the base symbol. After that, a singly linked
1338 list of component reference nodes gives the variable's complete
1339 resolution. The array_ref component may be present and comes
1340 before the component component. */
1343 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1346 typedef struct gfc_ref
1352 struct gfc_array_ref ar;
1356 gfc_component *component;
1363 struct gfc_expr *start, *end; /* Substring */
1364 gfc_charlen *length;
1371 struct gfc_ref *next;
1375 #define gfc_get_ref() XCNEW (gfc_ref)
1378 /* Structures representing intrinsic symbols and their arguments lists. */
1379 typedef struct gfc_intrinsic_arg
1381 char name[GFC_MAX_SYMBOL_LEN + 1];
1385 gfc_actual_arglist *actual;
1387 struct gfc_intrinsic_arg *next;
1393 /* Specifies the various kinds of check functions used to verify the
1394 argument lists of intrinsic functions. fX with X an integer refer
1395 to check functions of intrinsics with X arguments. f1m is used for
1396 the MAX and MIN intrinsics which can have an arbitrary number of
1397 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1398 these have special semantics. */
1402 gfc_try (*f0)(void);
1403 gfc_try (*f1)(struct gfc_expr *);
1404 gfc_try (*f1m)(gfc_actual_arglist *);
1405 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1406 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1407 gfc_try (*f3ml)(gfc_actual_arglist *);
1408 gfc_try (*f3red)(gfc_actual_arglist *);
1409 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1411 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1412 struct gfc_expr *, struct gfc_expr *);
1416 /* Like gfc_check_f, these specify the type of the simplification
1417 function associated with an intrinsic. The fX are just like in
1418 gfc_check_f. cc is used for type conversion functions. */
1422 struct gfc_expr *(*f0)(void);
1423 struct gfc_expr *(*f1)(struct gfc_expr *);
1424 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1425 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1427 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1428 struct gfc_expr *, struct gfc_expr *);
1429 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1430 struct gfc_expr *, struct gfc_expr *,
1432 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1436 /* Again like gfc_check_f, these specify the type of the resolution
1437 function associated with an intrinsic. The fX are just like in
1438 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1442 void (*f0)(struct gfc_expr *);
1443 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1444 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1445 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1446 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1448 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1449 struct gfc_expr *, struct gfc_expr *);
1450 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1451 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1452 void (*s1)(struct gfc_code *);
1457 typedef struct gfc_intrinsic_sym
1459 const char *name, *lib_name;
1460 gfc_intrinsic_arg *formal;
1462 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1463 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1467 gfc_simplify_f simplify;
1469 gfc_resolve_f resolve;
1470 struct gfc_intrinsic_sym *specific_head, *next;
1477 /* Expression nodes. The expression node types deserve explanations,
1478 since the last couple can be easily misconstrued:
1480 EXPR_OP Operator node pointing to one or two other nodes
1481 EXPR_FUNCTION Function call, symbol points to function's name
1482 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1483 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1484 which expresses structure, array and substring refs.
1485 EXPR_NULL The NULL pointer value (which also has a basic type).
1486 EXPR_SUBSTRING A substring of a constant string
1487 EXPR_STRUCTURE A structure constructor
1488 EXPR_ARRAY An array constructor.
1489 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1490 component or type-bound procedure. */
1494 #define GFC_RND_MODE GMP_RNDN
1496 typedef struct gfc_expr
1500 gfc_typespec ts; /* These two refer to the overall expression */
1503 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1505 /* Nonnull for functions and structure constructors, the base object for
1507 gfc_symtree *symtree;
1513 /* True if the expression is a call to a function that returns an array,
1514 and if we have decided not to allocate temporary data for that array. */
1515 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
1517 /* Used to quickly find a given constructor by its offset. */
1518 splay_tree con_by_offset;
1520 /* If an expression comes from a Hollerith constant or compile-time
1521 evaluation of a transfer statement, it may have a prescribed target-
1522 memory representation, and these cannot always be backformed from
1549 gfc_intrinsic_op op;
1551 struct gfc_expr *op1, *op2;
1557 gfc_actual_arglist *actual;
1558 const char *name; /* Points to the ultimate name of the function */
1559 gfc_intrinsic_sym *isym;
1566 gfc_actual_arglist* actual;
1578 struct gfc_constructor *constructor;
1586 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1588 /* Structures for information associated with different kinds of
1589 numbers. The first set of integer parameters define all there is
1590 to know about a particular kind. The rest of the elements are
1591 computed from the first elements. */
1595 /* Values really representable by the target. */
1596 mpz_t huge, pedantic_min_int, min_int;
1598 int kind, radix, digits, bit_size, range;
1600 /* True if the C type of the given name maps to this precision.
1601 Note that more than one bit can be set. */
1602 unsigned int c_char : 1;
1603 unsigned int c_short : 1;
1604 unsigned int c_int : 1;
1605 unsigned int c_long : 1;
1606 unsigned int c_long_long : 1;
1610 extern gfc_integer_info gfc_integer_kinds[];
1617 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1618 unsigned int c_bool : 1;
1622 extern gfc_logical_info gfc_logical_kinds[];
1627 mpfr_t epsilon, huge, tiny, subnormal;
1628 int kind, radix, digits, min_exponent, max_exponent;
1629 int range, precision;
1631 /* The precision of the type as reported by GET_MODE_PRECISION. */
1634 /* True if the C type of the given name maps to this precision.
1635 Note that more than one bit can be set. */
1636 unsigned int c_float : 1;
1637 unsigned int c_double : 1;
1638 unsigned int c_long_double : 1;
1642 extern gfc_real_info gfc_real_kinds[];
1651 extern gfc_character_info gfc_character_kinds[];
1654 /* Equivalence structures. Equivalent lvalues are linked along the
1655 *eq pointer, equivalence sets are strung along the *next node. */
1656 typedef struct gfc_equiv
1658 struct gfc_equiv *next, *eq;
1665 #define gfc_get_equiv() XCNEW (gfc_equiv)
1667 /* Holds a single equivalence member after processing. */
1668 typedef struct gfc_equiv_info
1671 HOST_WIDE_INT offset;
1672 HOST_WIDE_INT length;
1673 struct gfc_equiv_info *next;
1676 /* Holds equivalence groups, after they have been processed. */
1677 typedef struct gfc_equiv_list
1679 gfc_equiv_info *equiv;
1680 struct gfc_equiv_list *next;
1683 /* gfc_case stores the selector list of a case statement. The *low
1684 and *high pointers can point to the same expression in the case of
1685 a single value. If *high is NULL, the selection is from *low
1686 upwards, if *low is NULL the selection is *high downwards.
1688 This structure has separate fields to allow single and double linked
1689 lists of CASEs at the same time. The singe linked list along the NEXT
1690 field is a list of cases for a single CASE label. The double linked
1691 list along the LEFT/RIGHT fields is used to detect overlap and to
1692 build a table of the cases for SELECT constructs with a CHARACTER
1695 typedef struct gfc_case
1697 /* Where we saw this case. */
1701 /* Case range values. If (low == high), it's a single value. If one of
1702 the labels is NULL, it's an unbounded case. If both are NULL, this
1703 represents the default case. */
1704 gfc_expr *low, *high;
1706 /* Next case label in the list of cases for a single CASE label. */
1707 struct gfc_case *next;
1709 /* Used for detecting overlap, and for code generation. */
1710 struct gfc_case *left, *right;
1712 /* True if this case label can never be matched. */
1717 #define gfc_get_case() XCNEW (gfc_case)
1722 gfc_expr *var, *start, *end, *step;
1726 #define gfc_get_iterator() XCNEW (gfc_iterator)
1729 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1731 typedef struct gfc_alloc
1734 struct gfc_alloc *next;
1738 #define gfc_get_alloc() XCNEW (gfc_alloc)
1743 gfc_expr *unit, *file, *status, *access, *form, *recl,
1744 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1745 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1753 gfc_expr *unit, *status, *iostat, *iomsg;
1761 gfc_expr *unit, *iostat, *iomsg;
1769 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1770 *name, *access, *sequential, *direct, *form, *formatted,
1771 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1772 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1773 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1783 gfc_expr *unit, *iostat, *iomsg, *id;
1784 gfc_st_label *err, *end, *eor;
1791 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1792 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1793 *sign, *extra_comma;
1795 gfc_symbol *namelist;
1796 /* A format_label of `format_asterisk' indicates the "*" format */
1797 gfc_st_label *format_label;
1798 gfc_st_label *err, *end, *eor;
1800 locus eor_where, end_where, err_where;
1805 typedef struct gfc_forall_iterator
1807 gfc_expr *var, *start, *end, *stride;
1808 struct gfc_forall_iterator *next;
1810 gfc_forall_iterator;
1813 /* Executable statements that fill gfc_code structures. */
1816 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1817 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
1818 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1819 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1820 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1821 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1822 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1823 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1824 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1825 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1826 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1827 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1828 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1829 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1830 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1834 typedef struct gfc_code
1838 struct gfc_code *block, *next;
1841 gfc_st_label *here, *label, *label2, *label3;
1842 gfc_symtree *symtree;
1843 gfc_expr *expr, *expr2;
1844 /* A name isn't sufficient to identify a subroutine, we need the actual
1845 symbol for the interface definition.
1846 const char *sub_name; */
1847 gfc_symbol *resolved_sym;
1851 gfc_actual_arglist *actual;
1852 gfc_case *case_list;
1853 gfc_iterator *iterator;
1854 gfc_alloc *alloc_list;
1857 gfc_filepos *filepos;
1858 gfc_inquire *inquire;
1861 gfc_forall_iterator *forall_iterator;
1862 struct gfc_code *whichloop;
1864 gfc_entry_list *entry;
1865 gfc_omp_clauses *omp_clauses;
1866 const char *omp_name;
1867 gfc_namelist *omp_namelist;
1870 ext; /* Points to additional structures required by statement */
1872 /* Backend_decl is used for cycle and break labels in do loops, and
1873 probably for other constructs as well, once we translate them. */
1879 /* Storage for DATA statements. */
1880 typedef struct gfc_data_variable
1884 struct gfc_data_variable *list, *next;
1889 typedef struct gfc_data_value
1893 struct gfc_data_value *next;
1898 typedef struct gfc_data
1900 gfc_data_variable *var;
1901 gfc_data_value *value;
1904 struct gfc_data *next;
1909 /* Structure for holding compile options */
1913 gfc_source_form source_form;
1914 /* Maximum line lengths in fixed- and free-form source, respectively.
1915 When fixed_line_length or free_line_length are 0, the whole line is used,
1916 regardless of length.
1918 If the user requests a fixed_line_length <7 then gfc_init_options()
1919 emits a fatal error. */
1920 int fixed_line_length;
1921 int free_line_length;
1922 /* Maximum number of continuation lines in fixed- and free-form source,
1924 int max_continue_fixed;
1925 int max_continue_free;
1926 int max_identifier_length;
1927 int dump_parse_tree;
1931 int warn_conversion;
1932 int warn_implicit_interface;
1933 int warn_line_truncation;
1934 int warn_surprising;
1937 int warn_intrinsic_shadow;
1938 int warn_intrinsics_std;
1939 int warn_character_truncation;
1940 int warn_array_temp;
1943 int flag_all_intrinsics;
1944 int flag_default_double;
1945 int flag_default_integer;
1946 int flag_default_real;
1948 int flag_underscoring;
1949 int flag_second_underscore;
1950 int flag_implicit_none;
1951 int flag_max_stack_var_size;
1952 int flag_range_check;
1953 int flag_pack_derived;
1954 int flag_repack_arrays;
1955 int flag_preprocessed;
1960 int flag_check_array_temporaries;
1961 int flag_allow_leading_underscore;
1963 int flag_external_blas;
1964 int blas_matmul_limit;
1965 int flag_cray_pointer;
1969 int flag_module_private;
1971 int flag_init_local_zero;
1972 int flag_init_integer;
1973 int flag_init_integer_value;
1975 int flag_init_logical;
1976 int flag_init_character;
1977 char flag_init_character_value;
1986 int max_subrecord_length;
1990 extern gfc_option_t gfc_option;
1992 /* Constructor nodes for array and structure constructors. */
1993 typedef struct gfc_constructor
1996 gfc_iterator *iterator;
1998 struct gfc_constructor *next;
2001 mpz_t offset; /* Record the offset of array element which appears in
2002 data statement like "data a(5)/4/". */
2003 gfc_component *component; /* Record the component being initialized. */
2006 mpz_t repeat; /* Record the repeat number of initial values in data
2007 statement like "data a/5*10/". */
2012 typedef struct iterator_stack
2014 gfc_symtree *variable;
2016 struct iterator_stack *prev;
2019 extern iterator_stack *iter_stack;
2022 /* Node in the linked list used for storing finalizer procedures. */
2024 typedef struct gfc_finalizer
2026 struct gfc_finalizer* next;
2027 locus where; /* Where the FINAL declaration occurred. */
2029 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2030 symtree and later need only that. This way, we can access and call the
2031 finalizers from every context as they should be "always accessible". I
2032 don't make this a union because we need the information whether proc_sym is
2033 still referenced or not for dereferencing it on deleting a gfc_finalizer
2035 gfc_symbol* proc_sym;
2036 gfc_symtree* proc_tree;
2039 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2042 /************************ Function prototypes *************************/
2045 bool gfc_in_match_data (void);
2048 void gfc_scanner_done_1 (void);
2049 void gfc_scanner_init_1 (void);
2051 void gfc_add_include_path (const char *, bool);
2052 void gfc_add_intrinsic_modules_path (const char *);
2053 void gfc_release_include_path (void);
2054 FILE *gfc_open_included_file (const char *, bool, bool);
2055 FILE *gfc_open_intrinsic_module (const char *);
2057 int gfc_at_end (void);
2058 int gfc_at_eof (void);
2059 int gfc_at_bol (void);
2060 int gfc_at_eol (void);
2061 void gfc_advance_line (void);
2062 int gfc_check_include (void);
2063 int gfc_define_undef_line (void);
2065 int gfc_wide_is_printable (gfc_char_t);
2066 int gfc_wide_is_digit (gfc_char_t);
2067 int gfc_wide_fits_in_byte (gfc_char_t);
2068 gfc_char_t gfc_wide_tolower (gfc_char_t);
2069 gfc_char_t gfc_wide_toupper (gfc_char_t);
2070 size_t gfc_wide_strlen (const gfc_char_t *);
2071 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2072 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2073 char *gfc_widechar_to_char (const gfc_char_t *, int);
2074 gfc_char_t *gfc_char_to_widechar (const char *);
2076 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2078 void gfc_skip_comments (void);
2079 gfc_char_t gfc_next_char_literal (int);
2080 gfc_char_t gfc_next_char (void);
2081 char gfc_next_ascii_char (void);
2082 gfc_char_t gfc_peek_char (void);
2083 char gfc_peek_ascii_char (void);
2084 void gfc_error_recovery (void);
2085 void gfc_gobble_whitespace (void);
2086 gfc_try gfc_new_file (void);
2087 const char * gfc_read_orig_filename (const char *, const char **);
2089 extern gfc_source_form gfc_current_form;
2090 extern const char *gfc_source_file;
2091 extern locus gfc_current_locus;
2093 void gfc_start_source_files (void);
2094 void gfc_end_source_files (void);
2097 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2098 void gfc_free (void *);
2099 int gfc_terminal_width (void);
2100 void gfc_clear_ts (gfc_typespec *);
2101 FILE *gfc_open_file (const char *);
2102 const char *gfc_basic_typename (bt);
2103 const char *gfc_typename (gfc_typespec *);
2104 const char *gfc_op2string (gfc_intrinsic_op);
2105 const char *gfc_code2string (const mstring *, int);
2106 int gfc_string2code (const mstring *, const char *);
2107 const char *gfc_intent_string (sym_intent);
2109 void gfc_init_1 (void);
2110 void gfc_init_2 (void);
2111 void gfc_done_1 (void);
2112 void gfc_done_2 (void);
2114 int get_c_kind (const char *, CInteropKind_t *);
2117 unsigned int gfc_init_options (unsigned int, const char **);
2118 int gfc_handle_option (size_t, const char *, int);
2119 bool gfc_post_options (const char **);
2122 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2123 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2127 typedef struct gfc_error_buf
2130 size_t allocated, index;
2134 void gfc_error_init_1 (void);
2135 void gfc_buffer_error (int);
2137 const char *gfc_print_wide_char (gfc_char_t);
2139 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2140 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2141 void gfc_clear_warning (void);
2142 void gfc_warning_check (void);
2144 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2145 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2146 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2147 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2148 void gfc_clear_error (void);
2149 int gfc_error_check (void);
2150 int gfc_error_flag_test (void);
2152 notification gfc_notification_std (int);
2153 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2155 /* A general purpose syntax error. */
2156 #define gfc_syntax_error(ST) \
2157 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2159 void gfc_push_error (gfc_error_buf *);
2160 void gfc_pop_error (gfc_error_buf *);
2161 void gfc_free_error (gfc_error_buf *);
2163 void gfc_get_errors (int *, int *);
2166 void gfc_arith_init_1 (void);
2167 void gfc_arith_done_1 (void);
2168 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2169 arith gfc_check_integer_range (mpz_t p, int kind);
2170 bool gfc_check_character_range (gfc_char_t, int);
2173 gfc_try gfc_validate_c_kind (gfc_typespec *);
2174 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2175 int gfc_validate_kind (bt, int, bool);
2176 extern int gfc_index_integer_kind;
2177 extern int gfc_default_integer_kind;
2178 extern int gfc_max_integer_kind;
2179 extern int gfc_default_real_kind;
2180 extern int gfc_default_double_kind;
2181 extern int gfc_default_character_kind;
2182 extern int gfc_default_logical_kind;
2183 extern int gfc_default_complex_kind;
2184 extern int gfc_c_int_kind;
2185 extern int gfc_intio_kind;
2186 extern int gfc_charlen_int_kind;
2187 extern int gfc_numeric_storage_size;
2188 extern int gfc_character_storage_size;
2191 void gfc_clear_new_implicit (void);
2192 gfc_try gfc_add_new_implicit_range (int, int);
2193 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2194 void gfc_set_implicit_none (void);
2195 void gfc_check_function_type (gfc_namespace *);
2196 bool gfc_is_intrinsic_typename (const char *);
2198 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
2199 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2201 void gfc_set_sym_referenced (gfc_symbol *);
2203 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2204 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2205 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2206 gfc_try gfc_add_external (symbol_attribute *, locus *);
2207 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2208 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2209 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2210 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2211 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2212 gfc_try gfc_mod_pointee_as (gfc_array_spec *);
2213 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2214 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2215 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2216 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2217 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2218 gfc_try gfc_add_target (symbol_attribute *, locus *);
2219 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2220 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2221 gfc_try gfc_add_common (symbol_attribute *, locus *);
2222 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2223 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2224 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2225 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2226 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2227 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2228 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2229 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2230 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2231 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2232 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2233 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2235 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2236 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2237 gfc_try gfc_add_extension (symbol_attribute *, locus *);
2238 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2239 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2240 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2241 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2242 const char *, locus *);
2243 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2244 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2245 gfc_formal_arglist *, locus *);
2246 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2248 void gfc_clear_attr (symbol_attribute *);
2249 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2250 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2252 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2253 gfc_symbol *gfc_use_derived (gfc_symbol *);
2254 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2255 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool);
2257 gfc_st_label *gfc_get_st_label (int);
2258 void gfc_free_st_label (gfc_st_label *);
2259 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2260 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2262 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2264 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2265 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2266 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2267 void gfc_delete_symtree (gfc_symtree **, const char *);
2268 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2269 gfc_user_op *gfc_get_uop (const char *);
2270 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2271 void gfc_free_symbol (gfc_symbol *);
2272 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2273 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2274 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2275 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2276 gfc_try verify_c_interop (gfc_typespec *, const char *name, locus *where);
2277 gfc_try verify_c_interop_param (gfc_symbol *);
2278 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2279 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2280 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2281 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2282 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2283 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2284 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2285 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2287 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2289 void gfc_undo_symbols (void);
2290 void gfc_commit_symbols (void);
2291 void gfc_commit_symbol (gfc_symbol *);
2292 void gfc_free_namespace (gfc_namespace *);
2294 void gfc_symbol_init_2 (void);
2295 void gfc_symbol_done_2 (void);
2297 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2298 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2299 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2300 void gfc_save_all (gfc_namespace *);
2302 void gfc_symbol_state (void);
2304 gfc_gsymbol *gfc_get_gsymbol (const char *);
2305 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2307 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
2308 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool);
2310 void copy_formal_args (gfc_symbol *dest, gfc_symbol *src);
2312 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2314 gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
2317 extern int gfc_init_expr;
2319 /* Given a symbol that we have decided is intrinsic, mark it as such
2320 by placing it into a special module that is otherwise impossible to
2323 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2325 void gfc_intrinsic_init_1 (void);
2326 void gfc_intrinsic_done_1 (void);
2328 char gfc_type_letter (bt);
2329 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2330 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2331 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2332 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2333 int gfc_generic_intrinsic (const char *);
2334 int gfc_specific_intrinsic (const char *);
2335 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2336 int gfc_intrinsic_actual_ok (const char *, const bool);
2337 gfc_intrinsic_sym *gfc_find_function (const char *);
2338 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2340 match gfc_intrinsic_func_interface (gfc_expr *, int);
2341 match gfc_intrinsic_sub_interface (gfc_code *, int);
2343 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2344 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2347 /* match.c -- FIXME */
2348 void gfc_free_iterator (gfc_iterator *, int);
2349 void gfc_free_forall_iterator (gfc_forall_iterator *);
2350 void gfc_free_alloc_list (gfc_alloc *);
2351 void gfc_free_namelist (gfc_namelist *);
2352 void gfc_free_equiv (gfc_equiv *);
2353 void gfc_free_data (gfc_data *);
2354 void gfc_free_case_list (gfc_case *);
2356 /* matchexp.c -- FIXME too? */
2357 gfc_expr *gfc_get_parentheses (gfc_expr *);
2360 void gfc_free_omp_clauses (gfc_omp_clauses *);
2361 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2362 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2363 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2364 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2367 void gfc_free_actual_arglist (gfc_actual_arglist *);
2368 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2369 const char *gfc_extract_int (gfc_expr *, int *);
2370 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2371 bool is_subref_array (gfc_expr *);
2373 gfc_expr *gfc_build_conversion (gfc_expr *);
2374 void gfc_free_ref_list (gfc_ref *);
2375 void gfc_type_convert_binary (gfc_expr *);
2376 int gfc_is_constant_expr (gfc_expr *);
2377 gfc_try gfc_simplify_expr (gfc_expr *, int);
2378 int gfc_has_vector_index (gfc_expr *);
2380 gfc_expr *gfc_get_expr (void);
2381 void gfc_free_expr (gfc_expr *);
2382 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2383 gfc_expr *gfc_int_expr (int);
2384 gfc_expr *gfc_logical_expr (int, locus *);
2385 mpz_t *gfc_copy_shape (mpz_t *, int);
2386 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2387 gfc_expr *gfc_copy_expr (gfc_expr *);
2388 gfc_ref* gfc_copy_ref (gfc_ref*);
2390 gfc_try gfc_specification_expr (gfc_expr *);
2392 int gfc_numeric_ts (gfc_typespec *);
2393 int gfc_kind_max (gfc_expr *, gfc_expr *);
2395 gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2396 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2397 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2398 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2400 gfc_expr *gfc_default_initializer (gfc_typespec *);
2401 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2403 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2404 bool (*)(gfc_expr *, gfc_symbol *, int*),
2406 void gfc_expr_set_symbols_referenced (gfc_expr *);
2408 gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
2411 extern gfc_code new_st;
2413 void gfc_clear_new_st (void);
2414 gfc_code *gfc_get_code (void);
2415 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2416 void gfc_free_statement (gfc_code *);
2417 void gfc_free_statements (gfc_code *);
2420 gfc_try gfc_resolve_expr (gfc_expr *);
2421 void gfc_resolve (gfc_namespace *);
2422 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2423 int gfc_impure_variable (gfc_symbol *);
2424 int gfc_pure (gfc_symbol *);
2425 int gfc_elemental (gfc_symbol *);
2426 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2427 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2428 gfc_try gfc_resolve_index (gfc_expr *, int);
2429 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2430 int gfc_is_formal_arg (void);
2431 void gfc_resolve_substring_charlen (gfc_expr *);
2432 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2436 void gfc_free_array_spec (gfc_array_spec *);
2437 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2439 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2440 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2441 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2443 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2445 gfc_expr *gfc_start_constructor (bt, int, locus *);
2446 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2447 void gfc_free_constructor (gfc_constructor *);
2448 void gfc_simplify_iterator_var (gfc_expr *);
2449 gfc_try gfc_expand_constructor (gfc_expr *);
2450 int gfc_constant_ac (gfc_expr *);
2451 int gfc_expanded_ac (gfc_expr *);
2452 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2453 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2454 gfc_try gfc_check_constructor_type (gfc_expr *);
2455 gfc_try gfc_check_iter_variable (gfc_expr *);
2456 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2457 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2458 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2459 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2460 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2461 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2462 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2463 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2464 gfc_constructor *gfc_get_constructor (void);
2465 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2466 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2467 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2468 int gfc_is_compile_time_shape (gfc_array_spec *);
2470 /* interface.c -- FIXME: some of these should be in symbol.c */
2471 void gfc_free_interface (gfc_interface *);
2472 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2473 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2474 void gfc_check_interfaces (gfc_namespace *);
2475 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2476 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2477 gfc_actual_arglist **);
2478 gfc_try gfc_extend_expr (gfc_expr *);
2479 void gfc_free_formal_arglist (gfc_formal_arglist *);
2480 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2481 gfc_try gfc_add_interface (gfc_symbol *);
2482 gfc_interface *gfc_current_interface_head (void);
2483 void gfc_set_current_interface_head (gfc_interface *);
2484 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
2487 extern gfc_st_label format_asterisk;
2489 void gfc_free_open (gfc_open *);
2490 gfc_try gfc_resolve_open (gfc_open *);
2491 void gfc_free_close (gfc_close *);
2492 gfc_try gfc_resolve_close (gfc_close *);
2493 void gfc_free_filepos (gfc_filepos *);
2494 gfc_try gfc_resolve_filepos (gfc_filepos *);
2495 void gfc_free_inquire (gfc_inquire *);
2496 gfc_try gfc_resolve_inquire (gfc_inquire *);
2497 void gfc_free_dt (gfc_dt *);
2498 gfc_try gfc_resolve_dt (gfc_dt *);
2499 void gfc_free_wait (gfc_wait *);
2500 gfc_try gfc_resolve_wait (gfc_wait *);
2503 void gfc_module_init_2 (void);
2504 void gfc_module_done_2 (void);
2505 void gfc_dump_module (const char *, int);
2506 bool gfc_check_access (gfc_access, gfc_access);
2507 void gfc_free_use_stmts (gfc_use_list *);
2510 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2511 symbol_attribute gfc_expr_attr (gfc_expr *);
2512 match gfc_match_rvalue (gfc_expr **);
2513 match gfc_match_varspec (gfc_expr*, int, bool);
2514 int gfc_check_digit (char, int);
2517 void gfc_generate_code (gfc_namespace *);
2518 void gfc_generate_module_code (gfc_namespace *);
2521 typedef int (*compare_fn) (void *, void *);
2522 void gfc_insert_bbt (void *, void *, compare_fn);
2523 void gfc_delete_bbt (void *, void *, compare_fn);
2525 /* dump-parse-tree.c */
2526 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2529 gfc_try gfc_parse_file (void);
2530 void gfc_global_used (gfc_gsymbol *, locus *);
2533 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2535 #endif /* GCC_GFORTRAN_H */