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, ST_GENERIC,
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 /* A list of specific bindings that are associated with a generic spec. */
996 typedef struct gfc_tbp_generic
998 /* The parser sets specific_st, upon resolution we look for the corresponding
999 gfc_typebound_proc and set specific for further use. */
1000 struct gfc_symtree* specific_st;
1001 struct gfc_typebound_proc* specific;
1003 struct gfc_tbp_generic* next;
1007 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1010 /* Data needed for type-bound procedures. */
1011 typedef struct gfc_typebound_proc
1013 locus where; /* Where the PROCEDURE/GENERIC definition was. */
1017 struct gfc_symtree* specific;
1018 gfc_tbp_generic* generic;
1023 char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1025 /* The overridden type-bound proc (or GENERIC with this name in the
1026 parent-type) or NULL if non. */
1027 struct gfc_typebound_proc* overridden;
1029 /* Once resolved, we use the position of pass_arg in the formal arglist of
1030 the binding-target procedure to identify it. The first argument has
1031 number 1 here, the second 2, and so on. */
1032 unsigned pass_arg_num;
1034 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1035 unsigned non_overridable:1;
1036 unsigned is_generic:1;
1037 unsigned function:1, subroutine:1;
1041 #define gfc_get_typebound_proc() XCNEW (gfc_typebound_proc)
1044 /* Symbol nodes. These are important things. They are what the
1045 standard refers to as "entities". The possibly multiple names that
1046 refer to the same entity are accomplished by a binary tree of
1047 symtree structures that is balanced by the red-black method-- more
1048 than one symtree node can point to any given symbol. */
1050 typedef struct gfc_symbol
1052 const char *name; /* Primary name, before renaming */
1053 const char *module; /* Module this symbol came from */
1057 symbol_attribute attr;
1059 /* The formal member points to the formal argument list if the
1060 symbol is a function or subroutine name. If the symbol is a
1061 generic name, the generic member points to the list of
1064 gfc_interface *generic;
1065 gfc_access component_access;
1067 gfc_formal_arglist *formal;
1068 struct gfc_namespace *formal_ns;
1069 struct gfc_namespace *f2k_derived;
1071 struct gfc_expr *value; /* Parameter/Initializer value */
1073 struct gfc_symbol *result; /* function result symbol */
1074 gfc_component *components; /* Derived type components */
1076 /* Defined only for Cray pointees; points to their pointer. */
1077 struct gfc_symbol *cp_pointer;
1079 struct gfc_symbol *common_next; /* Links for COMMON syms */
1081 /* This is in fact a gfc_common_head but it is only used for pointer
1082 comparisons to check if symbols are in the same common block. */
1083 struct gfc_common_head* common_head;
1085 /* Make sure setup code for dummy arguments is generated in the correct
1091 gfc_namelist *namelist, *namelist_tail;
1093 /* Change management fields. Symbols that might be modified by the
1094 current statement have the mark member nonzero and are kept in a
1095 singly linked list through the tlink field. Of these symbols,
1096 symbols with old_symbol equal to NULL are symbols created within
1097 the current statement. Otherwise, old_symbol points to a copy of
1100 struct gfc_symbol *old_symbol, *tlink;
1101 unsigned mark:1, gfc_new:1;
1102 /* Nonzero if all equivalences associated with this symbol have been
1104 unsigned equiv_built:1;
1105 /* Set if this variable is used as an index name in a FORALL. */
1106 unsigned forall_index:1;
1108 struct gfc_namespace *ns; /* namespace containing this symbol */
1112 /* Identity of the intrinsic module the symbol comes from, or
1113 INTMOD_NONE if it's not imported from a intrinsic module. */
1114 intmod_id from_intmod;
1115 /* Identity of the symbol from intrinsic modules, from enums maintained
1116 separately by each intrinsic module. Used together with from_intmod,
1117 it uniquely identifies a symbol from an intrinsic module. */
1120 /* This may be repetitive, since the typespec now has a binding
1122 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1123 /* Store a reference to the common_block, if this symbol is in one. */
1124 struct gfc_common_head *common_block;
1129 /* This structure is used to keep track of symbols in common blocks. */
1130 typedef struct gfc_common_head
1133 char use_assoc, saved, threadprivate;
1134 char name[GFC_MAX_SYMBOL_LEN + 1];
1135 struct gfc_symbol *head;
1136 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1141 #define gfc_get_common_head() XCNEW (gfc_common_head)
1144 /* A list of all the alternate entry points for a procedure. */
1146 typedef struct gfc_entry_list
1148 /* The symbol for this entry point. */
1150 /* The zero-based id of this entry point. */
1152 /* The LABEL_EXPR marking this entry point. */
1154 /* The nest item in the list. */
1155 struct gfc_entry_list *next;
1159 #define gfc_get_entry_list() \
1160 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1162 /* Lists of rename info for the USE statement. */
1164 typedef struct gfc_use_rename
1166 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
1167 struct gfc_use_rename *next;
1169 gfc_intrinsic_op op;
1174 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1176 /* A list of all USE statements in a namespace. */
1178 typedef struct gfc_use_list
1180 const char *module_name;
1182 struct gfc_use_rename *rename;
1184 /* Next USE statement. */
1185 struct gfc_use_list *next;
1189 #define gfc_get_use_list() \
1190 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1192 /* Within a namespace, symbols are pointed to by symtree nodes that
1193 are linked together in a balanced binary tree. There can be
1194 several symtrees pointing to the same symbol node via USE
1197 typedef struct gfc_symtree
1199 BBT_HEADER (gfc_symtree);
1204 gfc_symbol *sym; /* Symbol associated with this node */
1206 gfc_common_head *common;
1210 /* Data for type-bound procedures; NULL if no type-bound procedure. */
1211 gfc_typebound_proc* typebound;
1215 /* A linked list of derived types in the namespace. */
1216 typedef struct gfc_dt_list
1218 struct gfc_symbol *derived;
1219 struct gfc_dt_list *next;
1223 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1225 /* A list of all derived types. */
1226 extern gfc_dt_list *gfc_derived_types;
1228 /* A namespace describes the contents of procedure, module or
1230 /* ??? Anything else use these? */
1232 typedef struct gfc_namespace
1234 /* Tree containing all the symbols in this namespace. */
1235 gfc_symtree *sym_root;
1236 /* Tree containing all the user-defined operators in the namespace. */
1237 gfc_symtree *uop_root;
1238 /* Tree containing all the common blocks. */
1239 gfc_symtree *common_root;
1240 /* Linked list of finalizer procedures. */
1241 struct gfc_finalizer *finalizers;
1243 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1244 int set_flag[GFC_LETTERS];
1245 /* Keeps track of the implicit types associated with the letters. */
1246 gfc_typespec default_type[GFC_LETTERS];
1247 /* Store the positions of IMPLICIT statements. */
1248 locus implicit_loc[GFC_LETTERS];
1250 /* If this is a namespace of a procedure, this points to the procedure. */
1251 struct gfc_symbol *proc_name;
1252 /* If this is the namespace of a unit which contains executable
1253 code, this points to it. */
1254 struct gfc_code *code;
1256 /* Points to the equivalences set up in this namespace. */
1257 struct gfc_equiv *equiv;
1259 /* Points to the equivalence groups produced by trans_common. */
1260 struct gfc_equiv_list *equiv_lists;
1262 gfc_interface *op[GFC_INTRINSIC_OPS];
1264 /* Points to the parent namespace, i.e. the namespace of a module or
1265 procedure in which the procedure belonging to this namespace is
1266 contained. The parent namespace points to this namespace either
1267 directly via CONTAINED, or indirectly via the chain built by
1269 struct gfc_namespace *parent;
1270 /* CONTAINED points to the first contained namespace. Sibling
1271 namespaces are chained via SIBLING. */
1272 struct gfc_namespace *contained, *sibling;
1274 gfc_common_head blank_common;
1275 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1277 gfc_st_label *st_labels;
1278 /* This list holds information about all the data initializers in
1280 struct gfc_data *data;
1282 gfc_charlen *cl_list;
1284 int save_all, seen_save, seen_implicit_none;
1286 /* Normally we don't need to refcount namespaces. However when we read
1287 a module containing a function with multiple entry points, this
1288 will appear as several functions with the same formal namespace. */
1291 /* A list of all alternate entry points to this procedure (or NULL). */
1292 gfc_entry_list *entries;
1294 /* A list of USE statements in this namespace. */
1295 gfc_use_list *use_stmts;
1297 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1300 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1305 extern gfc_namespace *gfc_current_ns;
1307 /* Global symbols are symbols of global scope. Currently we only use
1308 this to detect collisions already when parsing.
1309 TODO: Extend to verify procedure calls. */
1311 typedef struct gfc_gsymbol
1313 BBT_HEADER(gfc_gsymbol);
1316 const char *sym_name;
1317 const char *mod_name;
1318 const char *binding_label;
1319 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1320 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1327 extern gfc_gsymbol *gfc_gsym_root;
1329 /* Information on interfaces being built. */
1332 interface_type type;
1336 gfc_intrinsic_op op;
1340 extern gfc_interface_info current_interface;
1343 /* Array reference. */
1344 typedef struct gfc_array_ref
1347 int dimen; /* # of components in the reference */
1351 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1352 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1353 *stride[GFC_MAX_DIMENSIONS];
1356 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1357 dimen_type[GFC_MAX_DIMENSIONS];
1359 struct gfc_expr *offset;
1363 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1366 /* Component reference nodes. A variable is stored as an expression
1367 node that points to the base symbol. After that, a singly linked
1368 list of component reference nodes gives the variable's complete
1369 resolution. The array_ref component may be present and comes
1370 before the component component. */
1373 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1376 typedef struct gfc_ref
1382 struct gfc_array_ref ar;
1386 gfc_component *component;
1393 struct gfc_expr *start, *end; /* Substring */
1394 gfc_charlen *length;
1401 struct gfc_ref *next;
1405 #define gfc_get_ref() XCNEW (gfc_ref)
1408 /* Structures representing intrinsic symbols and their arguments lists. */
1409 typedef struct gfc_intrinsic_arg
1411 char name[GFC_MAX_SYMBOL_LEN + 1];
1415 gfc_actual_arglist *actual;
1417 struct gfc_intrinsic_arg *next;
1423 /* Specifies the various kinds of check functions used to verify the
1424 argument lists of intrinsic functions. fX with X an integer refer
1425 to check functions of intrinsics with X arguments. f1m is used for
1426 the MAX and MIN intrinsics which can have an arbitrary number of
1427 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1428 these have special semantics. */
1432 gfc_try (*f0)(void);
1433 gfc_try (*f1)(struct gfc_expr *);
1434 gfc_try (*f1m)(gfc_actual_arglist *);
1435 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1436 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1437 gfc_try (*f3ml)(gfc_actual_arglist *);
1438 gfc_try (*f3red)(gfc_actual_arglist *);
1439 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1441 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1442 struct gfc_expr *, struct gfc_expr *);
1446 /* Like gfc_check_f, these specify the type of the simplification
1447 function associated with an intrinsic. The fX are just like in
1448 gfc_check_f. cc is used for type conversion functions. */
1452 struct gfc_expr *(*f0)(void);
1453 struct gfc_expr *(*f1)(struct gfc_expr *);
1454 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1455 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1457 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1458 struct gfc_expr *, struct gfc_expr *);
1459 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1460 struct gfc_expr *, struct gfc_expr *,
1462 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1466 /* Again like gfc_check_f, these specify the type of the resolution
1467 function associated with an intrinsic. The fX are just like in
1468 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1472 void (*f0)(struct gfc_expr *);
1473 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1474 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1475 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1476 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1478 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1479 struct gfc_expr *, struct gfc_expr *);
1480 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1481 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1482 void (*s1)(struct gfc_code *);
1487 typedef struct gfc_intrinsic_sym
1489 const char *name, *lib_name;
1490 gfc_intrinsic_arg *formal;
1492 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1493 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1497 gfc_simplify_f simplify;
1499 gfc_resolve_f resolve;
1500 struct gfc_intrinsic_sym *specific_head, *next;
1507 /* Expression nodes. The expression node types deserve explanations,
1508 since the last couple can be easily misconstrued:
1510 EXPR_OP Operator node pointing to one or two other nodes
1511 EXPR_FUNCTION Function call, symbol points to function's name
1512 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1513 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1514 which expresses structure, array and substring refs.
1515 EXPR_NULL The NULL pointer value (which also has a basic type).
1516 EXPR_SUBSTRING A substring of a constant string
1517 EXPR_STRUCTURE A structure constructor
1518 EXPR_ARRAY An array constructor.
1519 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1520 component or type-bound procedure. */
1524 #define GFC_RND_MODE GMP_RNDN
1526 typedef struct gfc_expr
1530 gfc_typespec ts; /* These two refer to the overall expression */
1533 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1535 /* Nonnull for functions and structure constructors, the base object for
1537 gfc_symtree *symtree;
1543 /* True if the expression is a call to a function that returns an array,
1544 and if we have decided not to allocate temporary data for that array. */
1545 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
1547 /* Used to quickly find a given constructor by its offset. */
1548 splay_tree con_by_offset;
1550 /* If an expression comes from a Hollerith constant or compile-time
1551 evaluation of a transfer statement, it may have a prescribed target-
1552 memory representation, and these cannot always be backformed from
1579 gfc_intrinsic_op op;
1581 struct gfc_expr *op1, *op2;
1587 gfc_actual_arglist *actual;
1588 const char *name; /* Points to the ultimate name of the function */
1589 gfc_intrinsic_sym *isym;
1596 gfc_actual_arglist* actual;
1597 gfc_typebound_proc* tbp;
1609 struct gfc_constructor *constructor;
1617 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1619 /* Structures for information associated with different kinds of
1620 numbers. The first set of integer parameters define all there is
1621 to know about a particular kind. The rest of the elements are
1622 computed from the first elements. */
1626 /* Values really representable by the target. */
1627 mpz_t huge, pedantic_min_int, min_int;
1629 int kind, radix, digits, bit_size, range;
1631 /* True if the C type of the given name maps to this precision.
1632 Note that more than one bit can be set. */
1633 unsigned int c_char : 1;
1634 unsigned int c_short : 1;
1635 unsigned int c_int : 1;
1636 unsigned int c_long : 1;
1637 unsigned int c_long_long : 1;
1641 extern gfc_integer_info gfc_integer_kinds[];
1648 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1649 unsigned int c_bool : 1;
1653 extern gfc_logical_info gfc_logical_kinds[];
1658 mpfr_t epsilon, huge, tiny, subnormal;
1659 int kind, radix, digits, min_exponent, max_exponent;
1660 int range, precision;
1662 /* The precision of the type as reported by GET_MODE_PRECISION. */
1665 /* True if the C type of the given name maps to this precision.
1666 Note that more than one bit can be set. */
1667 unsigned int c_float : 1;
1668 unsigned int c_double : 1;
1669 unsigned int c_long_double : 1;
1673 extern gfc_real_info gfc_real_kinds[];
1682 extern gfc_character_info gfc_character_kinds[];
1685 /* Equivalence structures. Equivalent lvalues are linked along the
1686 *eq pointer, equivalence sets are strung along the *next node. */
1687 typedef struct gfc_equiv
1689 struct gfc_equiv *next, *eq;
1696 #define gfc_get_equiv() XCNEW (gfc_equiv)
1698 /* Holds a single equivalence member after processing. */
1699 typedef struct gfc_equiv_info
1702 HOST_WIDE_INT offset;
1703 HOST_WIDE_INT length;
1704 struct gfc_equiv_info *next;
1707 /* Holds equivalence groups, after they have been processed. */
1708 typedef struct gfc_equiv_list
1710 gfc_equiv_info *equiv;
1711 struct gfc_equiv_list *next;
1714 /* gfc_case stores the selector list of a case statement. The *low
1715 and *high pointers can point to the same expression in the case of
1716 a single value. If *high is NULL, the selection is from *low
1717 upwards, if *low is NULL the selection is *high downwards.
1719 This structure has separate fields to allow single and double linked
1720 lists of CASEs at the same time. The singe linked list along the NEXT
1721 field is a list of cases for a single CASE label. The double linked
1722 list along the LEFT/RIGHT fields is used to detect overlap and to
1723 build a table of the cases for SELECT constructs with a CHARACTER
1726 typedef struct gfc_case
1728 /* Where we saw this case. */
1732 /* Case range values. If (low == high), it's a single value. If one of
1733 the labels is NULL, it's an unbounded case. If both are NULL, this
1734 represents the default case. */
1735 gfc_expr *low, *high;
1737 /* Next case label in the list of cases for a single CASE label. */
1738 struct gfc_case *next;
1740 /* Used for detecting overlap, and for code generation. */
1741 struct gfc_case *left, *right;
1743 /* True if this case label can never be matched. */
1748 #define gfc_get_case() XCNEW (gfc_case)
1753 gfc_expr *var, *start, *end, *step;
1757 #define gfc_get_iterator() XCNEW (gfc_iterator)
1760 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1762 typedef struct gfc_alloc
1765 struct gfc_alloc *next;
1769 #define gfc_get_alloc() XCNEW (gfc_alloc)
1774 gfc_expr *unit, *file, *status, *access, *form, *recl,
1775 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1776 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1784 gfc_expr *unit, *status, *iostat, *iomsg;
1792 gfc_expr *unit, *iostat, *iomsg;
1800 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1801 *name, *access, *sequential, *direct, *form, *formatted,
1802 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1803 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1804 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1814 gfc_expr *unit, *iostat, *iomsg, *id;
1815 gfc_st_label *err, *end, *eor;
1822 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1823 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1824 *sign, *extra_comma;
1826 gfc_symbol *namelist;
1827 /* A format_label of `format_asterisk' indicates the "*" format */
1828 gfc_st_label *format_label;
1829 gfc_st_label *err, *end, *eor;
1831 locus eor_where, end_where, err_where;
1836 typedef struct gfc_forall_iterator
1838 gfc_expr *var, *start, *end, *stride;
1839 struct gfc_forall_iterator *next;
1841 gfc_forall_iterator;
1844 /* Executable statements that fill gfc_code structures. */
1847 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1848 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
1849 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1850 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1851 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1852 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1853 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1854 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1855 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1856 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1857 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1858 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1859 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1860 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1861 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1865 typedef struct gfc_code
1869 struct gfc_code *block, *next;
1872 gfc_st_label *here, *label, *label2, *label3;
1873 gfc_symtree *symtree;
1874 gfc_expr *expr, *expr2;
1875 /* A name isn't sufficient to identify a subroutine, we need the actual
1876 symbol for the interface definition.
1877 const char *sub_name; */
1878 gfc_symbol *resolved_sym;
1882 gfc_actual_arglist *actual;
1883 gfc_case *case_list;
1884 gfc_iterator *iterator;
1885 gfc_alloc *alloc_list;
1888 gfc_filepos *filepos;
1889 gfc_inquire *inquire;
1892 gfc_forall_iterator *forall_iterator;
1893 struct gfc_code *whichloop;
1895 gfc_entry_list *entry;
1896 gfc_omp_clauses *omp_clauses;
1897 const char *omp_name;
1898 gfc_namelist *omp_namelist;
1901 ext; /* Points to additional structures required by statement */
1903 /* Backend_decl is used for cycle and break labels in do loops, and
1904 probably for other constructs as well, once we translate them. */
1910 /* Storage for DATA statements. */
1911 typedef struct gfc_data_variable
1915 struct gfc_data_variable *list, *next;
1920 typedef struct gfc_data_value
1924 struct gfc_data_value *next;
1929 typedef struct gfc_data
1931 gfc_data_variable *var;
1932 gfc_data_value *value;
1935 struct gfc_data *next;
1940 /* Structure for holding compile options */
1944 gfc_source_form source_form;
1945 /* Maximum line lengths in fixed- and free-form source, respectively.
1946 When fixed_line_length or free_line_length are 0, the whole line is used,
1947 regardless of length.
1949 If the user requests a fixed_line_length <7 then gfc_init_options()
1950 emits a fatal error. */
1951 int fixed_line_length;
1952 int free_line_length;
1953 /* Maximum number of continuation lines in fixed- and free-form source,
1955 int max_continue_fixed;
1956 int max_continue_free;
1957 int max_identifier_length;
1958 int dump_parse_tree;
1962 int warn_conversion;
1963 int warn_implicit_interface;
1964 int warn_line_truncation;
1965 int warn_surprising;
1968 int warn_intrinsic_shadow;
1969 int warn_intrinsics_std;
1970 int warn_character_truncation;
1971 int warn_array_temp;
1972 int warn_align_commons;
1975 int flag_all_intrinsics;
1976 int flag_default_double;
1977 int flag_default_integer;
1978 int flag_default_real;
1980 int flag_underscoring;
1981 int flag_second_underscore;
1982 int flag_implicit_none;
1983 int flag_max_stack_var_size;
1984 int flag_range_check;
1985 int flag_pack_derived;
1986 int flag_repack_arrays;
1987 int flag_preprocessed;
1992 int flag_check_array_temporaries;
1993 int flag_allow_leading_underscore;
1995 int flag_external_blas;
1996 int blas_matmul_limit;
1997 int flag_cray_pointer;
2001 int flag_module_private;
2003 int flag_init_local_zero;
2004 int flag_init_integer;
2005 int flag_init_integer_value;
2007 int flag_init_logical;
2008 int flag_init_character;
2009 char flag_init_character_value;
2010 int flag_align_commons;
2019 int max_subrecord_length;
2023 extern gfc_option_t gfc_option;
2025 /* Constructor nodes for array and structure constructors. */
2026 typedef struct gfc_constructor
2029 gfc_iterator *iterator;
2031 struct gfc_constructor *next;
2034 mpz_t offset; /* Record the offset of array element which appears in
2035 data statement like "data a(5)/4/". */
2036 gfc_component *component; /* Record the component being initialized. */
2039 mpz_t repeat; /* Record the repeat number of initial values in data
2040 statement like "data a/5*10/". */
2045 typedef struct iterator_stack
2047 gfc_symtree *variable;
2049 struct iterator_stack *prev;
2052 extern iterator_stack *iter_stack;
2055 /* Node in the linked list used for storing finalizer procedures. */
2057 typedef struct gfc_finalizer
2059 struct gfc_finalizer* next;
2060 locus where; /* Where the FINAL declaration occurred. */
2062 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2063 symtree and later need only that. This way, we can access and call the
2064 finalizers from every context as they should be "always accessible". I
2065 don't make this a union because we need the information whether proc_sym is
2066 still referenced or not for dereferencing it on deleting a gfc_finalizer
2068 gfc_symbol* proc_sym;
2069 gfc_symtree* proc_tree;
2072 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2075 /************************ Function prototypes *************************/
2078 bool gfc_in_match_data (void);
2081 void gfc_scanner_done_1 (void);
2082 void gfc_scanner_init_1 (void);
2084 void gfc_add_include_path (const char *, bool);
2085 void gfc_add_intrinsic_modules_path (const char *);
2086 void gfc_release_include_path (void);
2087 FILE *gfc_open_included_file (const char *, bool, bool);
2088 FILE *gfc_open_intrinsic_module (const char *);
2090 int gfc_at_end (void);
2091 int gfc_at_eof (void);
2092 int gfc_at_bol (void);
2093 int gfc_at_eol (void);
2094 void gfc_advance_line (void);
2095 int gfc_check_include (void);
2096 int gfc_define_undef_line (void);
2098 int gfc_wide_is_printable (gfc_char_t);
2099 int gfc_wide_is_digit (gfc_char_t);
2100 int gfc_wide_fits_in_byte (gfc_char_t);
2101 gfc_char_t gfc_wide_tolower (gfc_char_t);
2102 gfc_char_t gfc_wide_toupper (gfc_char_t);
2103 size_t gfc_wide_strlen (const gfc_char_t *);
2104 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2105 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2106 char *gfc_widechar_to_char (const gfc_char_t *, int);
2107 gfc_char_t *gfc_char_to_widechar (const char *);
2109 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2111 void gfc_skip_comments (void);
2112 gfc_char_t gfc_next_char_literal (int);
2113 gfc_char_t gfc_next_char (void);
2114 char gfc_next_ascii_char (void);
2115 gfc_char_t gfc_peek_char (void);
2116 char gfc_peek_ascii_char (void);
2117 void gfc_error_recovery (void);
2118 void gfc_gobble_whitespace (void);
2119 gfc_try gfc_new_file (void);
2120 const char * gfc_read_orig_filename (const char *, const char **);
2122 extern gfc_source_form gfc_current_form;
2123 extern const char *gfc_source_file;
2124 extern locus gfc_current_locus;
2126 void gfc_start_source_files (void);
2127 void gfc_end_source_files (void);
2130 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2131 void gfc_free (void *);
2132 int gfc_terminal_width (void);
2133 void gfc_clear_ts (gfc_typespec *);
2134 FILE *gfc_open_file (const char *);
2135 const char *gfc_basic_typename (bt);
2136 const char *gfc_typename (gfc_typespec *);
2137 const char *gfc_op2string (gfc_intrinsic_op);
2138 const char *gfc_code2string (const mstring *, int);
2139 int gfc_string2code (const mstring *, const char *);
2140 const char *gfc_intent_string (sym_intent);
2142 void gfc_init_1 (void);
2143 void gfc_init_2 (void);
2144 void gfc_done_1 (void);
2145 void gfc_done_2 (void);
2147 int get_c_kind (const char *, CInteropKind_t *);
2150 unsigned int gfc_init_options (unsigned int, const char **);
2151 int gfc_handle_option (size_t, const char *, int);
2152 bool gfc_post_options (const char **);
2155 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2156 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2160 typedef struct gfc_error_buf
2163 size_t allocated, index;
2167 void gfc_error_init_1 (void);
2168 void gfc_buffer_error (int);
2170 const char *gfc_print_wide_char (gfc_char_t);
2172 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2173 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2174 void gfc_clear_warning (void);
2175 void gfc_warning_check (void);
2177 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2178 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2179 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2180 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2181 void gfc_clear_error (void);
2182 int gfc_error_check (void);
2183 int gfc_error_flag_test (void);
2185 notification gfc_notification_std (int);
2186 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2188 /* A general purpose syntax error. */
2189 #define gfc_syntax_error(ST) \
2190 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2192 void gfc_push_error (gfc_error_buf *);
2193 void gfc_pop_error (gfc_error_buf *);
2194 void gfc_free_error (gfc_error_buf *);
2196 void gfc_get_errors (int *, int *);
2199 void gfc_arith_init_1 (void);
2200 void gfc_arith_done_1 (void);
2201 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2202 arith gfc_check_integer_range (mpz_t p, int kind);
2203 bool gfc_check_character_range (gfc_char_t, int);
2206 gfc_try gfc_validate_c_kind (gfc_typespec *);
2207 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2208 int gfc_validate_kind (bt, int, bool);
2209 extern int gfc_index_integer_kind;
2210 extern int gfc_default_integer_kind;
2211 extern int gfc_max_integer_kind;
2212 extern int gfc_default_real_kind;
2213 extern int gfc_default_double_kind;
2214 extern int gfc_default_character_kind;
2215 extern int gfc_default_logical_kind;
2216 extern int gfc_default_complex_kind;
2217 extern int gfc_c_int_kind;
2218 extern int gfc_intio_kind;
2219 extern int gfc_charlen_int_kind;
2220 extern int gfc_numeric_storage_size;
2221 extern int gfc_character_storage_size;
2224 void gfc_clear_new_implicit (void);
2225 gfc_try gfc_add_new_implicit_range (int, int);
2226 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2227 void gfc_set_implicit_none (void);
2228 void gfc_check_function_type (gfc_namespace *);
2229 bool gfc_is_intrinsic_typename (const char *);
2231 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
2232 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2234 void gfc_set_sym_referenced (gfc_symbol *);
2236 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2237 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2238 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2239 gfc_try gfc_add_external (symbol_attribute *, locus *);
2240 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2241 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2242 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2243 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2244 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2245 gfc_try gfc_mod_pointee_as (gfc_array_spec *);
2246 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2247 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2248 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2249 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2250 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2251 gfc_try gfc_add_target (symbol_attribute *, locus *);
2252 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2253 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2254 gfc_try gfc_add_common (symbol_attribute *, locus *);
2255 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2256 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2257 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2258 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2259 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2260 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2261 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2262 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2263 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2264 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2265 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2266 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2267 gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where);
2269 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2270 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2271 gfc_try gfc_add_extension (symbol_attribute *, locus *);
2272 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2273 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2274 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2275 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2276 const char *, locus *);
2277 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2278 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2279 gfc_formal_arglist *, locus *);
2280 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2282 void gfc_clear_attr (symbol_attribute *);
2283 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2284 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2286 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2287 gfc_symbol *gfc_use_derived (gfc_symbol *);
2288 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2289 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool);
2291 gfc_st_label *gfc_get_st_label (int);
2292 void gfc_free_st_label (gfc_st_label *);
2293 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2294 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2296 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2298 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2299 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2300 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2301 void gfc_delete_symtree (gfc_symtree **, const char *);
2302 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2303 gfc_user_op *gfc_get_uop (const char *);
2304 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2305 void gfc_free_symbol (gfc_symbol *);
2306 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2307 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2308 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2309 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2310 gfc_try verify_c_interop (gfc_typespec *, const char *name, locus *where);
2311 gfc_try verify_c_interop_param (gfc_symbol *);
2312 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2313 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2314 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2315 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2316 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2317 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2318 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2319 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2321 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2323 void gfc_undo_symbols (void);
2324 void gfc_commit_symbols (void);
2325 void gfc_commit_symbol (gfc_symbol *);
2326 void gfc_free_namespace (gfc_namespace *);
2328 void gfc_symbol_init_2 (void);
2329 void gfc_symbol_done_2 (void);
2331 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2332 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2333 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2334 void gfc_save_all (gfc_namespace *);
2336 void gfc_symbol_state (void);
2338 gfc_gsymbol *gfc_get_gsymbol (const char *);
2339 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2341 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
2342 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool);
2344 void copy_formal_args (gfc_symbol *dest, gfc_symbol *src);
2346 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2348 gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
2351 extern int gfc_init_expr;
2353 /* Given a symbol that we have decided is intrinsic, mark it as such
2354 by placing it into a special module that is otherwise impossible to
2357 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2359 void gfc_intrinsic_init_1 (void);
2360 void gfc_intrinsic_done_1 (void);
2362 char gfc_type_letter (bt);
2363 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2364 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2365 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2366 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2367 int gfc_generic_intrinsic (const char *);
2368 int gfc_specific_intrinsic (const char *);
2369 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2370 int gfc_intrinsic_actual_ok (const char *, const bool);
2371 gfc_intrinsic_sym *gfc_find_function (const char *);
2372 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2374 match gfc_intrinsic_func_interface (gfc_expr *, int);
2375 match gfc_intrinsic_sub_interface (gfc_code *, int);
2377 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2378 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2381 /* match.c -- FIXME */
2382 void gfc_free_iterator (gfc_iterator *, int);
2383 void gfc_free_forall_iterator (gfc_forall_iterator *);
2384 void gfc_free_alloc_list (gfc_alloc *);
2385 void gfc_free_namelist (gfc_namelist *);
2386 void gfc_free_equiv (gfc_equiv *);
2387 void gfc_free_data (gfc_data *);
2388 void gfc_free_case_list (gfc_case *);
2390 /* matchexp.c -- FIXME too? */
2391 gfc_expr *gfc_get_parentheses (gfc_expr *);
2394 void gfc_free_omp_clauses (gfc_omp_clauses *);
2395 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2396 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2397 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2398 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2401 void gfc_free_actual_arglist (gfc_actual_arglist *);
2402 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2403 const char *gfc_extract_int (gfc_expr *, int *);
2404 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2405 bool is_subref_array (gfc_expr *);
2407 gfc_expr *gfc_build_conversion (gfc_expr *);
2408 void gfc_free_ref_list (gfc_ref *);
2409 void gfc_type_convert_binary (gfc_expr *);
2410 int gfc_is_constant_expr (gfc_expr *);
2411 gfc_try gfc_simplify_expr (gfc_expr *, int);
2412 int gfc_has_vector_index (gfc_expr *);
2414 gfc_expr *gfc_get_expr (void);
2415 void gfc_free_expr (gfc_expr *);
2416 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2417 gfc_expr *gfc_int_expr (int);
2418 gfc_expr *gfc_logical_expr (int, locus *);
2419 mpz_t *gfc_copy_shape (mpz_t *, int);
2420 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2421 gfc_expr *gfc_copy_expr (gfc_expr *);
2422 gfc_ref* gfc_copy_ref (gfc_ref*);
2424 gfc_try gfc_specification_expr (gfc_expr *);
2426 int gfc_numeric_ts (gfc_typespec *);
2427 int gfc_kind_max (gfc_expr *, gfc_expr *);
2429 gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2430 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2431 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2432 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2434 gfc_expr *gfc_default_initializer (gfc_typespec *);
2435 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2437 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2438 bool (*)(gfc_expr *, gfc_symbol *, int*),
2440 void gfc_expr_set_symbols_referenced (gfc_expr *);
2442 gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
2445 extern gfc_code new_st;
2447 void gfc_clear_new_st (void);
2448 gfc_code *gfc_get_code (void);
2449 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2450 void gfc_free_statement (gfc_code *);
2451 void gfc_free_statements (gfc_code *);
2454 gfc_try gfc_resolve_expr (gfc_expr *);
2455 void gfc_resolve (gfc_namespace *);
2456 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2457 int gfc_impure_variable (gfc_symbol *);
2458 int gfc_pure (gfc_symbol *);
2459 int gfc_elemental (gfc_symbol *);
2460 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2461 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2462 gfc_try gfc_resolve_index (gfc_expr *, int);
2463 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2464 int gfc_is_formal_arg (void);
2465 void gfc_resolve_substring_charlen (gfc_expr *);
2466 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2470 void gfc_free_array_spec (gfc_array_spec *);
2471 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2473 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2474 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2475 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2477 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2479 gfc_expr *gfc_start_constructor (bt, int, locus *);
2480 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2481 void gfc_free_constructor (gfc_constructor *);
2482 void gfc_simplify_iterator_var (gfc_expr *);
2483 gfc_try gfc_expand_constructor (gfc_expr *);
2484 int gfc_constant_ac (gfc_expr *);
2485 int gfc_expanded_ac (gfc_expr *);
2486 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2487 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2488 gfc_try gfc_check_constructor_type (gfc_expr *);
2489 gfc_try gfc_check_iter_variable (gfc_expr *);
2490 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2491 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2492 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2493 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2494 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2495 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2496 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2497 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2498 gfc_constructor *gfc_get_constructor (void);
2499 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2500 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2501 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2502 int gfc_is_compile_time_shape (gfc_array_spec *);
2504 /* interface.c -- FIXME: some of these should be in symbol.c */
2505 void gfc_free_interface (gfc_interface *);
2506 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2507 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2508 int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, int);
2509 void gfc_check_interfaces (gfc_namespace *);
2510 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2511 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2512 gfc_actual_arglist **);
2513 gfc_try gfc_extend_expr (gfc_expr *);
2514 void gfc_free_formal_arglist (gfc_formal_arglist *);
2515 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2516 gfc_try gfc_add_interface (gfc_symbol *);
2517 gfc_interface *gfc_current_interface_head (void);
2518 void gfc_set_current_interface_head (gfc_interface *);
2519 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
2520 bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
2523 extern gfc_st_label format_asterisk;
2525 void gfc_free_open (gfc_open *);
2526 gfc_try gfc_resolve_open (gfc_open *);
2527 void gfc_free_close (gfc_close *);
2528 gfc_try gfc_resolve_close (gfc_close *);
2529 void gfc_free_filepos (gfc_filepos *);
2530 gfc_try gfc_resolve_filepos (gfc_filepos *);
2531 void gfc_free_inquire (gfc_inquire *);
2532 gfc_try gfc_resolve_inquire (gfc_inquire *);
2533 void gfc_free_dt (gfc_dt *);
2534 gfc_try gfc_resolve_dt (gfc_dt *);
2535 void gfc_free_wait (gfc_wait *);
2536 gfc_try gfc_resolve_wait (gfc_wait *);
2539 void gfc_module_init_2 (void);
2540 void gfc_module_done_2 (void);
2541 void gfc_dump_module (const char *, int);
2542 bool gfc_check_access (gfc_access, gfc_access);
2543 void gfc_free_use_stmts (gfc_use_list *);
2546 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2547 symbol_attribute gfc_expr_attr (gfc_expr *);
2548 match gfc_match_rvalue (gfc_expr **);
2549 match gfc_match_varspec (gfc_expr*, int, bool);
2550 int gfc_check_digit (char, int);
2553 void gfc_generate_code (gfc_namespace *);
2554 void gfc_generate_module_code (gfc_namespace *);
2557 typedef int (*compare_fn) (void *, void *);
2558 void gfc_insert_bbt (void *, void *, compare_fn);
2559 void gfc_delete_bbt (void *, void *, compare_fn);
2561 /* dump-parse-tree.c */
2562 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2565 gfc_try gfc_parse_file (void);
2566 void gfc_global_used (gfc_gsymbol *, locus *);
2569 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2571 #endif /* GCC_GFORTRAN_H */