1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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, EXPR_PPC
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, ARITH_PROHIBIT
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 3 elements = 2 bits. */
279 { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */
280 IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */
281 IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement
282 with explicit interface. */
286 /* Whether a SAVE attribute was set explicitly or implicitly. */
287 typedef enum save_state
288 { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
292 /* Strings for all symbol attributes. We use these for dumping the
293 parse tree, in error messages, and also when reading and writing
294 modules. In symbol.c. */
295 extern const mstring flavors[];
296 extern const mstring procedures[];
297 extern const mstring intents[];
298 extern const mstring access_types[];
299 extern const mstring ifsrc_types[];
300 extern const mstring save_status[];
302 /* Enumeration of all the generic intrinsic functions. Used by the
303 backend for identification of a function. */
307 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
308 the backend (e.g. KIND). */
339 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
349 GFC_ISYM_DATE_AND_TIME,
353 GFC_ISYM_DOT_PRODUCT,
360 GFC_ISYM_ERFC_SCALED,
381 GFC_ISYM_GET_COMMAND,
382 GFC_ISYM_GET_COMMAND_ARGUMENT,
385 GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
411 GFC_ISYM_IS_IOSTAT_END,
412 GFC_ISYM_IS_IOSTAT_EOR,
443 GFC_ISYM_MAXEXPONENT,
450 GFC_ISYM_MINEXPONENT,
470 GFC_ISYM_RANDOM_NUMBER,
471 GFC_ISYM_RANDOM_SEED,
484 GFC_ISYM_SET_EXPONENT,
504 GFC_ISYM_SYSTEM_CLOCK,
525 typedef enum gfc_isym_id gfc_isym_id;
530 GFC_INIT_REAL_OFF = 0,
535 GFC_INIT_REAL_NEG_INF
541 GFC_INIT_LOGICAL_OFF = 0,
542 GFC_INIT_LOGICAL_FALSE,
543 GFC_INIT_LOGICAL_TRUE
549 GFC_INIT_CHARACTER_OFF = 0,
550 GFC_INIT_CHARACTER_ON
552 init_local_character;
556 GFC_INIT_INTEGER_OFF = 0,
561 /************************* Structures *****************************/
563 /* Used for keeping things in balanced binary trees. */
564 #define BBT_HEADER(self) int priority; struct self *left, *right
566 #define NAMED_INTCST(a,b,c,d) a,
569 ISOFORTRANENV_INVALID = -1,
570 #include "iso-fortran-env.def"
571 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
573 iso_fortran_env_symbol;
576 #define NAMED_INTCST(a,b,c,d) a,
577 #define NAMED_REALCST(a,b,c) a,
578 #define NAMED_CMPXCST(a,b,c) a,
579 #define NAMED_LOGCST(a,b,c) a,
580 #define NAMED_CHARKNDCST(a,b,c) a,
581 #define NAMED_CHARCST(a,b,c) a,
582 #define DERIVED_TYPE(a,b,c) a,
583 #define PROCEDURE(a,b) a,
586 ISOCBINDING_INVALID = -1,
587 #include "iso-c-binding.def"
589 ISOCBINDING_NUMBER = ISOCBINDING_LAST
591 iso_c_binding_symbol;
596 #undef NAMED_CHARKNDCST
603 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING
609 char name[GFC_MAX_SYMBOL_LEN + 1];
610 int value; /* Used for both integer and character values. */
615 /* Array of structs, where the structs represent the C interop kinds.
616 The list will be implemented based on a hash of the kind name since
617 these could be accessed multiple times.
618 Declared in trans-types.c as a global, since it's in that file
619 that the list is initialized. */
620 extern CInteropKind_t c_interop_kinds_table[];
622 /* Symbol attribute structure. */
625 /* Variable attributes. */
626 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
627 optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1,
628 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
629 implied_index:1, subref_array_pointer:1, proc_pointer:1;
631 ENUM_BITFIELD (save_state) save:2;
633 unsigned data:1, /* Symbol is named in a DATA statement. */
634 is_protected:1, /* Symbol has been marked as protected. */
635 use_assoc:1, /* Symbol has been use-associated. */
636 use_only:1, /* Symbol has been use-associated, with ONLY. */
637 use_rename:1, /* Symbol has been use-associated and renamed. */
638 imported:1; /* Symbol has been associated by IMPORT. */
640 unsigned in_namelist:1, in_common:1, in_equivalence:1;
641 unsigned function:1, subroutine:1, procedure:1;
642 unsigned generic:1, generic_copy:1;
643 unsigned implicit_type:1; /* Type defined via implicit rules. */
644 unsigned untyped:1; /* No implicit type could be found. */
646 unsigned is_bind_c:1; /* say if is bound to C. */
647 unsigned extension:1; /* extends a derived type. */
649 /* These flags are both in the typespec and attribute. The attribute
650 list is what gets read from/written to a module file. The typespec
651 is created from a decl being processed. */
652 unsigned is_c_interop:1; /* It's c interoperable. */
653 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
655 /* Function/subroutine attributes */
656 unsigned sequence:1, elemental:1, pure:1, recursive:1;
657 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
659 /* This is set if the subroutine doesn't return. Currently, this
660 is only possible for intrinsic subroutines. */
663 /* Set if this procedure is an alternate entry point. These procedures
664 don't have any code associated, and the backend will turn them into
665 thunks to the master function. */
668 /* Set if this is the master function for a procedure with multiple
670 unsigned entry_master:1;
672 /* Set if this is the master function for a function with multiple
673 entry points where characteristics of the entry points differ. */
674 unsigned mixed_entry_master:1;
676 /* Set if a function must always be referenced by an explicit interface. */
677 unsigned always_explicit:1;
679 /* Set if the symbol has been referenced in an expression. No further
680 modification of type or type parameters is permitted. */
681 unsigned referenced:1;
683 /* Set if the symbol has ambiguous interfaces. */
684 unsigned ambiguous_interfaces:1;
686 /* Set if this is the symbol for the main program. */
687 unsigned is_main_program:1;
689 /* Mutually exclusive multibit attributes. */
690 ENUM_BITFIELD (gfc_access) access:2;
691 ENUM_BITFIELD (sym_intent) intent:2;
692 ENUM_BITFIELD (sym_flavor) flavor:4;
693 ENUM_BITFIELD (ifsrc) if_source:2;
695 ENUM_BITFIELD (procedure_type) proc:3;
697 /* Special attributes for Cray pointers, pointees. */
698 unsigned cray_pointer:1, cray_pointee:1;
700 /* The symbol is a derived type with allocatable components, pointer
701 components or private components, procedure pointer components,
702 possibly nested. zero_comp is true if the derived type has no
704 unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1,
705 private_comp:1, zero_comp:1;
707 /* The namespace where the VOLATILE attribute has been set. */
708 struct gfc_namespace *volatile_ns;
713 /* We need to store source lines as sequences of multibyte source
714 characters. We define here a type wide enough to hold any multibyte
715 source character, just like libcpp does. A 32-bit type is enough. */
717 #if HOST_BITS_PER_INT >= 32
718 typedef unsigned int gfc_char_t;
719 #elif HOST_BITS_PER_LONG >= 32
720 typedef unsigned long gfc_char_t;
721 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
722 typedef unsigned long long gfc_char_t;
724 # error "Cannot find an integer type with at least 32 bits"
728 /* The following three structures are used to identify a location in
731 gfc_file is used to maintain a tree of the source files and how
732 they include each other
734 gfc_linebuf holds a single line of source code and information
735 which file it resides in
737 locus point to the sourceline and the character in the source
741 typedef struct gfc_file
743 struct gfc_file *next, *up;
744 int inclusion_line, line;
748 typedef struct gfc_linebuf
750 source_location location;
751 struct gfc_file *file;
752 struct gfc_linebuf *next;
760 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
762 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
770 /* In order for the "gfc" format checking to work correctly, you must
771 have declared a typedef locus first. */
772 #if GCC_VERSION >= 4001
773 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
775 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
779 /* Suppress error messages or re-enable them. */
781 void gfc_push_suppress_errors (void);
782 void gfc_pop_suppress_errors (void);
785 /* Character length structures hold the expression that gives the
786 length of a character variable. We avoid putting these into
787 gfc_typespec because doing so prevents us from doing structure
788 copies and forces us to deallocate any typespecs we create, as well
789 as structures that contain typespecs. They also can have multiple
790 character typespecs pointing to them.
792 These structures form a singly linked list within the current
793 namespace and are deallocated with the namespace. It is possible to
794 end up with gfc_charlen structures that have nothing pointing to them. */
796 typedef struct gfc_charlen
798 struct gfc_expr *length;
799 struct gfc_charlen *next;
800 bool length_from_typespec; /* Length from explicit array ctor typespec? */
802 tree passed_length; /* Length argument explicitelly passed. */
808 #define gfc_get_charlen() XCNEW (gfc_charlen)
810 /* Type specification structure. FIXME: derived and cl could be union??? */
815 struct gfc_symbol *derived;
816 gfc_charlen *cl; /* For character types only. */
817 struct gfc_symbol *interface; /* For PROCEDURE declarations. */
824 /* Array specification. */
827 int rank; /* A rank of zero means that a variable is a scalar. */
829 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
831 /* These two fields are used with the Cray Pointer extension. */
832 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
833 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
834 AS_EXPLICIT, but we want to remember that we
840 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
843 /* Components of derived types. */
844 typedef struct gfc_component
849 symbol_attribute attr;
854 struct gfc_expr *initializer;
855 struct gfc_component *next;
857 struct gfc_formal_arglist *formal;
861 #define gfc_get_component() XCNEW (gfc_component)
863 /* Formal argument lists are lists of symbols. */
864 typedef struct gfc_formal_arglist
866 /* Symbol representing the argument at this position in the arglist. */
867 struct gfc_symbol *sym;
868 /* Points to the next formal argument. */
869 struct gfc_formal_arglist *next;
873 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
876 /* The gfc_actual_arglist structure is for actual arguments. */
877 typedef struct gfc_actual_arglist
880 /* Alternate return label when the expr member is null. */
881 struct gfc_st_label *label;
883 /* This is set to the type of an eventual omitted optional
884 argument. This is used to determine if a hidden string length
885 argument has to be added to a function call. */
888 struct gfc_expr *expr;
889 struct gfc_actual_arglist *next;
893 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
896 /* Because a symbol can belong to multiple namelists, they must be
897 linked externally to the symbol itself. */
898 typedef struct gfc_namelist
900 struct gfc_symbol *sym;
901 struct gfc_namelist *next;
905 #define gfc_get_namelist() XCNEW (gfc_namelist)
910 OMP_LIST_FIRSTPRIVATE,
911 OMP_LIST_LASTPRIVATE,
912 OMP_LIST_COPYPRIVATE,
916 OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS,
928 OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR,
932 /* Because a symbol can belong to multiple namelists, they must be
933 linked externally to the symbol itself. */
935 enum gfc_omp_sched_kind
945 enum gfc_omp_default_sharing
951 OMP_DEFAULT_FIRSTPRIVATE
954 typedef struct gfc_omp_clauses
956 struct gfc_expr *if_expr;
957 struct gfc_expr *num_threads;
958 gfc_namelist *lists[OMP_LIST_NUM];
959 enum gfc_omp_sched_kind sched_kind;
960 struct gfc_expr *chunk_size;
961 enum gfc_omp_default_sharing default_sharing;
963 bool nowait, ordered, untied;
967 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
970 /* The gfc_st_label structure is a BBT attached to a namespace that
971 records the usage of statement labels within that space. */
973 typedef struct gfc_st_label
975 BBT_HEADER(gfc_st_label);
979 gfc_sl_type defined, referenced;
981 struct gfc_expr *format;
990 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
991 typedef struct gfc_interface
993 struct gfc_symbol *sym;
995 struct gfc_interface *next;
999 #define gfc_get_interface() XCNEW (gfc_interface)
1001 /* User operator nodes. These are like stripped down symbols. */
1007 struct gfc_namespace *ns;
1013 /* A list of specific bindings that are associated with a generic spec. */
1014 typedef struct gfc_tbp_generic
1016 /* The parser sets specific_st, upon resolution we look for the corresponding
1017 gfc_typebound_proc and set specific for further use. */
1018 struct gfc_symtree* specific_st;
1019 struct gfc_typebound_proc* specific;
1021 struct gfc_tbp_generic* next;
1025 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1028 /* Data needed for type-bound procedures. */
1029 typedef struct gfc_typebound_proc
1031 locus where; /* Where the PROCEDURE/GENERIC definition was. */
1035 struct gfc_symtree* specific; /* The interface if DEFERRED. */
1036 gfc_tbp_generic* generic;
1041 char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1043 /* The overridden type-bound proc (or GENERIC with this name in the
1044 parent-type) or NULL if non. */
1045 struct gfc_typebound_proc* overridden;
1047 /* Once resolved, we use the position of pass_arg in the formal arglist of
1048 the binding-target procedure to identify it. The first argument has
1049 number 1 here, the second 2, and so on. */
1050 unsigned pass_arg_num;
1052 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1053 unsigned non_overridable:1;
1054 unsigned deferred:1;
1055 unsigned is_generic:1;
1056 unsigned function:1, subroutine:1;
1057 unsigned error:1; /* Ignore it, when an error occurred during resolution. */
1062 /* Symbol nodes. These are important things. They are what the
1063 standard refers to as "entities". The possibly multiple names that
1064 refer to the same entity are accomplished by a binary tree of
1065 symtree structures that is balanced by the red-black method-- more
1066 than one symtree node can point to any given symbol. */
1068 typedef struct gfc_symbol
1070 const char *name; /* Primary name, before renaming */
1071 const char *module; /* Module this symbol came from */
1075 symbol_attribute attr;
1077 /* The formal member points to the formal argument list if the
1078 symbol is a function or subroutine name. If the symbol is a
1079 generic name, the generic member points to the list of
1082 gfc_interface *generic;
1083 gfc_access component_access;
1085 gfc_formal_arglist *formal;
1086 struct gfc_namespace *formal_ns;
1087 struct gfc_namespace *f2k_derived;
1089 struct gfc_expr *value; /* Parameter/Initializer value */
1091 struct gfc_symbol *result; /* function result symbol */
1092 gfc_component *components; /* Derived type components */
1094 /* Defined only for Cray pointees; points to their pointer. */
1095 struct gfc_symbol *cp_pointer;
1097 struct gfc_symbol *common_next; /* Links for COMMON syms */
1099 /* This is in fact a gfc_common_head but it is only used for pointer
1100 comparisons to check if symbols are in the same common block. */
1101 struct gfc_common_head* common_head;
1103 /* Make sure setup code for dummy arguments is generated in the correct
1109 gfc_namelist *namelist, *namelist_tail;
1111 /* Change management fields. Symbols that might be modified by the
1112 current statement have the mark member nonzero and are kept in a
1113 singly linked list through the tlink field. Of these symbols,
1114 symbols with old_symbol equal to NULL are symbols created within
1115 the current statement. Otherwise, old_symbol points to a copy of
1118 struct gfc_symbol *old_symbol, *tlink;
1119 unsigned mark:1, gfc_new:1;
1120 /* Nonzero if all equivalences associated with this symbol have been
1122 unsigned equiv_built:1;
1123 /* Set if this variable is used as an index name in a FORALL. */
1124 unsigned forall_index:1;
1126 struct gfc_namespace *ns; /* namespace containing this symbol */
1130 /* Identity of the intrinsic module the symbol comes from, or
1131 INTMOD_NONE if it's not imported from a intrinsic module. */
1132 intmod_id from_intmod;
1133 /* Identity of the symbol from intrinsic modules, from enums maintained
1134 separately by each intrinsic module. Used together with from_intmod,
1135 it uniquely identifies a symbol from an intrinsic module. */
1138 /* This may be repetitive, since the typespec now has a binding
1140 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1141 /* Store a reference to the common_block, if this symbol is in one. */
1142 struct gfc_common_head *common_block;
1147 /* This structure is used to keep track of symbols in common blocks. */
1148 typedef struct gfc_common_head
1151 char use_assoc, saved, threadprivate;
1152 char name[GFC_MAX_SYMBOL_LEN + 1];
1153 struct gfc_symbol *head;
1154 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1159 #define gfc_get_common_head() XCNEW (gfc_common_head)
1162 /* A list of all the alternate entry points for a procedure. */
1164 typedef struct gfc_entry_list
1166 /* The symbol for this entry point. */
1168 /* The zero-based id of this entry point. */
1170 /* The LABEL_EXPR marking this entry point. */
1172 /* The next item in the list. */
1173 struct gfc_entry_list *next;
1177 #define gfc_get_entry_list() \
1178 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1180 /* Lists of rename info for the USE statement. */
1182 typedef struct gfc_use_rename
1184 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
1185 struct gfc_use_rename *next;
1187 gfc_intrinsic_op op;
1192 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1194 /* A list of all USE statements in a namespace. */
1196 typedef struct gfc_use_list
1198 const char *module_name;
1200 struct gfc_use_rename *rename;
1202 /* Next USE statement. */
1203 struct gfc_use_list *next;
1207 #define gfc_get_use_list() \
1208 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1210 /* Within a namespace, symbols are pointed to by symtree nodes that
1211 are linked together in a balanced binary tree. There can be
1212 several symtrees pointing to the same symbol node via USE
1215 typedef struct gfc_symtree
1217 BBT_HEADER (gfc_symtree);
1222 gfc_symbol *sym; /* Symbol associated with this node */
1224 gfc_common_head *common;
1225 gfc_typebound_proc *tb;
1231 /* A linked list of derived types in the namespace. */
1232 typedef struct gfc_dt_list
1234 struct gfc_symbol *derived;
1235 struct gfc_dt_list *next;
1239 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1241 /* A list of all derived types. */
1242 extern gfc_dt_list *gfc_derived_types;
1244 /* A namespace describes the contents of procedure, module or
1246 /* ??? Anything else use these? */
1248 typedef struct gfc_namespace
1250 /* Tree containing all the symbols in this namespace. */
1251 gfc_symtree *sym_root;
1252 /* Tree containing all the user-defined operators in the namespace. */
1253 gfc_symtree *uop_root;
1254 /* Tree containing all the common blocks. */
1255 gfc_symtree *common_root;
1257 /* Tree containing type-bound procedures. */
1258 gfc_symtree *tb_sym_root;
1259 /* Linked list of finalizer procedures. */
1260 struct gfc_finalizer *finalizers;
1262 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1263 int set_flag[GFC_LETTERS];
1264 /* Keeps track of the implicit types associated with the letters. */
1265 gfc_typespec default_type[GFC_LETTERS];
1266 /* Store the positions of IMPLICIT statements. */
1267 locus implicit_loc[GFC_LETTERS];
1269 /* If this is a namespace of a procedure, this points to the procedure. */
1270 struct gfc_symbol *proc_name;
1271 /* If this is the namespace of a unit which contains executable
1272 code, this points to it. */
1273 struct gfc_code *code;
1275 /* Points to the equivalences set up in this namespace. */
1276 struct gfc_equiv *equiv;
1278 /* Points to the equivalence groups produced by trans_common. */
1279 struct gfc_equiv_list *equiv_lists;
1281 gfc_interface *op[GFC_INTRINSIC_OPS];
1283 /* Points to the parent namespace, i.e. the namespace of a module or
1284 procedure in which the procedure belonging to this namespace is
1285 contained. The parent namespace points to this namespace either
1286 directly via CONTAINED, or indirectly via the chain built by
1288 struct gfc_namespace *parent;
1289 /* CONTAINED points to the first contained namespace. Sibling
1290 namespaces are chained via SIBLING. */
1291 struct gfc_namespace *contained, *sibling;
1293 gfc_common_head blank_common;
1294 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1296 gfc_st_label *st_labels;
1297 /* This list holds information about all the data initializers in
1299 struct gfc_data *data;
1301 gfc_charlen *cl_list, *old_cl_list;
1303 int save_all, seen_save, seen_implicit_none;
1305 /* Normally we don't need to refcount namespaces. However when we read
1306 a module containing a function with multiple entry points, this
1307 will appear as several functions with the same formal namespace. */
1310 /* A list of all alternate entry points to this procedure (or NULL). */
1311 gfc_entry_list *entries;
1313 /* A list of USE statements in this namespace. */
1314 gfc_use_list *use_stmts;
1316 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1319 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1322 /* Set to 1 if resolved has been called for this namespace. */
1327 extern gfc_namespace *gfc_current_ns;
1328 extern gfc_namespace *gfc_global_ns_list;
1330 /* Global symbols are symbols of global scope. Currently we only use
1331 this to detect collisions already when parsing.
1332 TODO: Extend to verify procedure calls. */
1334 enum gfc_symbol_type
1336 GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1337 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA
1340 typedef struct gfc_gsymbol
1342 BBT_HEADER(gfc_gsymbol);
1345 const char *sym_name;
1346 const char *mod_name;
1347 const char *binding_label;
1348 enum gfc_symbol_type type;
1356 extern gfc_gsymbol *gfc_gsym_root;
1358 /* Information on interfaces being built. */
1361 interface_type type;
1365 gfc_intrinsic_op op;
1369 extern gfc_interface_info current_interface;
1372 /* Array reference. */
1374 enum gfc_array_ref_dimen_type
1376 DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN
1379 typedef struct gfc_array_ref
1382 int dimen; /* # of components in the reference */
1386 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1387 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1388 *stride[GFC_MAX_DIMENSIONS];
1390 enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS];
1392 struct gfc_expr *offset;
1396 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1399 /* Component reference nodes. A variable is stored as an expression
1400 node that points to the base symbol. After that, a singly linked
1401 list of component reference nodes gives the variable's complete
1402 resolution. The array_ref component may be present and comes
1403 before the component component. */
1406 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1409 typedef struct gfc_ref
1415 struct gfc_array_ref ar;
1419 gfc_component *component;
1426 struct gfc_expr *start, *end; /* Substring */
1427 gfc_charlen *length;
1434 struct gfc_ref *next;
1438 #define gfc_get_ref() XCNEW (gfc_ref)
1441 /* Structures representing intrinsic symbols and their arguments lists. */
1442 typedef struct gfc_intrinsic_arg
1444 char name[GFC_MAX_SYMBOL_LEN + 1];
1448 ENUM_BITFIELD (sym_intent) intent:2;
1449 gfc_actual_arglist *actual;
1451 struct gfc_intrinsic_arg *next;
1457 /* Specifies the various kinds of check functions used to verify the
1458 argument lists of intrinsic functions. fX with X an integer refer
1459 to check functions of intrinsics with X arguments. f1m is used for
1460 the MAX and MIN intrinsics which can have an arbitrary number of
1461 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1462 these have special semantics. */
1466 gfc_try (*f0)(void);
1467 gfc_try (*f1)(struct gfc_expr *);
1468 gfc_try (*f1m)(gfc_actual_arglist *);
1469 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1470 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1471 gfc_try (*f3ml)(gfc_actual_arglist *);
1472 gfc_try (*f3red)(gfc_actual_arglist *);
1473 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1475 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1476 struct gfc_expr *, struct gfc_expr *);
1480 /* Like gfc_check_f, these specify the type of the simplification
1481 function associated with an intrinsic. The fX are just like in
1482 gfc_check_f. cc is used for type conversion functions. */
1486 struct gfc_expr *(*f0)(void);
1487 struct gfc_expr *(*f1)(struct gfc_expr *);
1488 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1489 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1491 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1492 struct gfc_expr *, struct gfc_expr *);
1493 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1494 struct gfc_expr *, struct gfc_expr *,
1496 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1500 /* Again like gfc_check_f, these specify the type of the resolution
1501 function associated with an intrinsic. The fX are just like in
1502 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1506 void (*f0)(struct gfc_expr *);
1507 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1508 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1509 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1510 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1512 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1513 struct gfc_expr *, struct gfc_expr *);
1514 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1515 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1516 void (*s1)(struct gfc_code *);
1521 typedef struct gfc_intrinsic_sym
1523 const char *name, *lib_name;
1524 gfc_intrinsic_arg *formal;
1526 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1527 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1531 gfc_simplify_f simplify;
1533 gfc_resolve_f resolve;
1534 struct gfc_intrinsic_sym *specific_head, *next;
1541 /* Expression nodes. The expression node types deserve explanations,
1542 since the last couple can be easily misconstrued:
1544 EXPR_OP Operator node pointing to one or two other nodes
1545 EXPR_FUNCTION Function call, symbol points to function's name
1546 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1547 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1548 which expresses structure, array and substring refs.
1549 EXPR_NULL The NULL pointer value (which also has a basic type).
1550 EXPR_SUBSTRING A substring of a constant string
1551 EXPR_STRUCTURE A structure constructor
1552 EXPR_ARRAY An array constructor.
1553 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1554 component or type-bound procedure. */
1561 #define mpc_realref(X) ((X).r)
1562 #define mpc_imagref(X) ((X).i)
1564 #define GFC_RND_MODE GMP_RNDN
1565 #define GFC_MPC_RND_MODE MPC_RNDNN
1567 typedef struct gfc_expr
1571 gfc_typespec ts; /* These two refer to the overall expression */
1574 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1576 /* Nonnull for functions and structure constructors, the base object for
1578 gfc_symtree *symtree;
1584 /* True if the expression is a call to a function that returns an array,
1585 and if we have decided not to allocate temporary data for that array.
1586 is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
1587 denotes a signalling not-a-number. */
1588 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1, is_snan : 1;
1590 /* Sometimes, when an error has been emitted, it is necessary to prevent
1591 it from recurring. */
1592 unsigned int error : 1;
1594 /* Mark and expression where a user operator has been substituted by
1595 a function call in interface.c(gfc_extend_expr). */
1596 unsigned int user_operator : 1;
1598 /* Used to quickly find a given constructor by its offset. */
1599 splay_tree con_by_offset;
1601 /* If an expression comes from a Hollerith constant or compile-time
1602 evaluation of a transfer statement, it may have a prescribed target-
1603 memory representation, and these cannot always be backformed from
1634 gfc_intrinsic_op op;
1636 struct gfc_expr *op1, *op2;
1642 gfc_actual_arglist *actual;
1643 const char *name; /* Points to the ultimate name of the function */
1644 gfc_intrinsic_sym *isym;
1651 gfc_actual_arglist* actual;
1652 gfc_typebound_proc* tbp;
1664 struct gfc_constructor *constructor;
1672 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1674 /* Structures for information associated with different kinds of
1675 numbers. The first set of integer parameters define all there is
1676 to know about a particular kind. The rest of the elements are
1677 computed from the first elements. */
1681 /* Values really representable by the target. */
1682 mpz_t huge, pedantic_min_int, min_int;
1684 int kind, radix, digits, bit_size, range;
1686 /* True if the C type of the given name maps to this precision.
1687 Note that more than one bit can be set. */
1688 unsigned int c_char : 1;
1689 unsigned int c_short : 1;
1690 unsigned int c_int : 1;
1691 unsigned int c_long : 1;
1692 unsigned int c_long_long : 1;
1696 extern gfc_integer_info gfc_integer_kinds[];
1703 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1704 unsigned int c_bool : 1;
1708 extern gfc_logical_info gfc_logical_kinds[];
1713 mpfr_t epsilon, huge, tiny, subnormal;
1714 int kind, radix, digits, min_exponent, max_exponent;
1715 int range, precision;
1717 /* The precision of the type as reported by GET_MODE_PRECISION. */
1720 /* True if the C type of the given name maps to this precision.
1721 Note that more than one bit can be set. */
1722 unsigned int c_float : 1;
1723 unsigned int c_double : 1;
1724 unsigned int c_long_double : 1;
1728 extern gfc_real_info gfc_real_kinds[];
1737 extern gfc_character_info gfc_character_kinds[];
1740 /* Equivalence structures. Equivalent lvalues are linked along the
1741 *eq pointer, equivalence sets are strung along the *next node. */
1742 typedef struct gfc_equiv
1744 struct gfc_equiv *next, *eq;
1751 #define gfc_get_equiv() XCNEW (gfc_equiv)
1753 /* Holds a single equivalence member after processing. */
1754 typedef struct gfc_equiv_info
1757 HOST_WIDE_INT offset;
1758 HOST_WIDE_INT length;
1759 struct gfc_equiv_info *next;
1762 /* Holds equivalence groups, after they have been processed. */
1763 typedef struct gfc_equiv_list
1765 gfc_equiv_info *equiv;
1766 struct gfc_equiv_list *next;
1769 /* gfc_case stores the selector list of a case statement. The *low
1770 and *high pointers can point to the same expression in the case of
1771 a single value. If *high is NULL, the selection is from *low
1772 upwards, if *low is NULL the selection is *high downwards.
1774 This structure has separate fields to allow single and double linked
1775 lists of CASEs at the same time. The singe linked list along the NEXT
1776 field is a list of cases for a single CASE label. The double linked
1777 list along the LEFT/RIGHT fields is used to detect overlap and to
1778 build a table of the cases for SELECT constructs with a CHARACTER
1781 typedef struct gfc_case
1783 /* Where we saw this case. */
1787 /* Case range values. If (low == high), it's a single value. If one of
1788 the labels is NULL, it's an unbounded case. If both are NULL, this
1789 represents the default case. */
1790 gfc_expr *low, *high;
1792 /* Next case label in the list of cases for a single CASE label. */
1793 struct gfc_case *next;
1795 /* Used for detecting overlap, and for code generation. */
1796 struct gfc_case *left, *right;
1798 /* True if this case label can never be matched. */
1803 #define gfc_get_case() XCNEW (gfc_case)
1808 gfc_expr *var, *start, *end, *step;
1812 #define gfc_get_iterator() XCNEW (gfc_iterator)
1815 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1817 typedef struct gfc_alloc
1820 struct gfc_alloc *next;
1824 #define gfc_get_alloc() XCNEW (gfc_alloc)
1829 gfc_expr *unit, *file, *status, *access, *form, *recl,
1830 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1831 *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit;
1839 gfc_expr *unit, *status, *iostat, *iomsg;
1847 gfc_expr *unit, *iostat, *iomsg;
1855 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1856 *name, *access, *sequential, *direct, *form, *formatted,
1857 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1858 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1859 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1869 gfc_expr *unit, *iostat, *iomsg, *id;
1870 gfc_st_label *err, *end, *eor;
1877 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1878 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1879 *sign, *extra_comma;
1881 gfc_symbol *namelist;
1882 /* A format_label of `format_asterisk' indicates the "*" format */
1883 gfc_st_label *format_label;
1884 gfc_st_label *err, *end, *eor;
1886 locus eor_where, end_where, err_where;
1891 typedef struct gfc_forall_iterator
1893 gfc_expr *var, *start, *end, *stride;
1894 struct gfc_forall_iterator *next;
1896 gfc_forall_iterator;
1899 /* Executable statements that fill gfc_code structures. */
1902 EXEC_NOP = 1, EXEC_END_BLOCK, EXEC_ASSIGN, EXEC_LABEL_ASSIGN,
1903 EXEC_POINTER_ASSIGN,
1904 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
1905 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1906 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1907 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, EXEC_CALL_PPC,
1908 EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE,
1909 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1910 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1911 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1912 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1913 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1914 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1915 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1916 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1917 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1921 typedef struct gfc_code
1925 struct gfc_code *block, *next;
1928 gfc_st_label *here, *label1, *label2, *label3;
1929 gfc_symtree *symtree;
1930 gfc_expr *expr1, *expr2;
1931 /* A name isn't sufficient to identify a subroutine, we need the actual
1932 symbol for the interface definition.
1933 const char *sub_name; */
1934 gfc_symbol *resolved_sym;
1935 gfc_intrinsic_sym *resolved_isym;
1939 gfc_actual_arglist *actual;
1940 gfc_case *case_list;
1941 gfc_iterator *iterator;
1942 gfc_alloc *alloc_list;
1945 gfc_filepos *filepos;
1946 gfc_inquire *inquire;
1949 gfc_forall_iterator *forall_iterator;
1950 struct gfc_code *whichloop;
1952 gfc_entry_list *entry;
1953 gfc_omp_clauses *omp_clauses;
1954 const char *omp_name;
1955 gfc_namelist *omp_namelist;
1958 ext; /* Points to additional structures required by statement */
1960 /* Backend_decl is used for cycle and break labels in do loops, and
1961 probably for other constructs as well, once we translate them. */
1967 /* Storage for DATA statements. */
1968 typedef struct gfc_data_variable
1972 struct gfc_data_variable *list, *next;
1977 typedef struct gfc_data_value
1981 struct gfc_data_value *next;
1986 typedef struct gfc_data
1988 gfc_data_variable *var;
1989 gfc_data_value *value;
1992 struct gfc_data *next;
1997 /* Structure for holding compile options */
2001 gfc_source_form source_form;
2002 /* Maximum line lengths in fixed- and free-form source, respectively.
2003 When fixed_line_length or free_line_length are 0, the whole line is used,
2004 regardless of length.
2006 If the user requests a fixed_line_length <7 then gfc_init_options()
2007 emits a fatal error. */
2008 int fixed_line_length;
2009 int free_line_length;
2010 /* Maximum number of continuation lines in fixed- and free-form source,
2012 int max_continue_fixed;
2013 int max_continue_free;
2014 int max_identifier_length;
2015 int dump_parse_tree;
2019 int warn_conversion;
2020 int warn_implicit_interface;
2021 int warn_line_truncation;
2022 int warn_surprising;
2025 int warn_intrinsic_shadow;
2026 int warn_intrinsics_std;
2027 int warn_character_truncation;
2028 int warn_array_temp;
2029 int warn_align_commons;
2032 int flag_all_intrinsics;
2033 int flag_default_double;
2034 int flag_default_integer;
2035 int flag_default_real;
2037 int flag_underscoring;
2038 int flag_second_underscore;
2039 int flag_implicit_none;
2040 int flag_max_stack_var_size;
2041 int flag_max_array_constructor;
2042 int flag_range_check;
2043 int flag_pack_derived;
2044 int flag_repack_arrays;
2045 int flag_preprocessed;
2050 int flag_allow_leading_underscore;
2052 int flag_external_blas;
2053 int blas_matmul_limit;
2054 int flag_cray_pointer;
2058 int flag_module_private;
2060 int flag_init_local_zero;
2061 int flag_init_integer;
2062 int flag_init_integer_value;
2064 int flag_init_logical;
2065 int flag_init_character;
2066 char flag_init_character_value;
2067 int flag_align_commons;
2068 int flag_whole_file;
2077 int max_subrecord_length;
2081 extern gfc_option_t gfc_option;
2083 /* Constructor nodes for array and structure constructors. */
2084 typedef struct gfc_constructor
2087 gfc_iterator *iterator;
2089 struct gfc_constructor *next;
2092 mpz_t offset; /* Record the offset of array element which appears in
2093 data statement like "data a(5)/4/". */
2094 gfc_component *component; /* Record the component being initialized. */
2097 mpz_t repeat; /* Record the repeat number of initial values in data
2098 statement like "data a/5*10/". */
2103 typedef struct iterator_stack
2105 gfc_symtree *variable;
2107 struct iterator_stack *prev;
2110 extern iterator_stack *iter_stack;
2113 /* Node in the linked list used for storing finalizer procedures. */
2115 typedef struct gfc_finalizer
2117 struct gfc_finalizer* next;
2118 locus where; /* Where the FINAL declaration occurred. */
2120 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2121 symtree and later need only that. This way, we can access and call the
2122 finalizers from every context as they should be "always accessible". I
2123 don't make this a union because we need the information whether proc_sym is
2124 still referenced or not for dereferencing it on deleting a gfc_finalizer
2126 gfc_symbol* proc_sym;
2127 gfc_symtree* proc_tree;
2130 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2133 /************************ Function prototypes *************************/
2136 bool gfc_in_match_data (void);
2139 void gfc_scanner_done_1 (void);
2140 void gfc_scanner_init_1 (void);
2142 void gfc_add_include_path (const char *, bool, bool);
2143 void gfc_add_intrinsic_modules_path (const char *);
2144 void gfc_release_include_path (void);
2145 FILE *gfc_open_included_file (const char *, bool, bool);
2146 FILE *gfc_open_intrinsic_module (const char *);
2148 int gfc_at_end (void);
2149 int gfc_at_eof (void);
2150 int gfc_at_bol (void);
2151 int gfc_at_eol (void);
2152 void gfc_advance_line (void);
2153 int gfc_check_include (void);
2154 int gfc_define_undef_line (void);
2156 int gfc_wide_is_printable (gfc_char_t);
2157 int gfc_wide_is_digit (gfc_char_t);
2158 int gfc_wide_fits_in_byte (gfc_char_t);
2159 gfc_char_t gfc_wide_tolower (gfc_char_t);
2160 gfc_char_t gfc_wide_toupper (gfc_char_t);
2161 size_t gfc_wide_strlen (const gfc_char_t *);
2162 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2163 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2164 char *gfc_widechar_to_char (const gfc_char_t *, int);
2165 gfc_char_t *gfc_char_to_widechar (const char *);
2167 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2169 void gfc_skip_comments (void);
2170 gfc_char_t gfc_next_char_literal (int);
2171 gfc_char_t gfc_next_char (void);
2172 char gfc_next_ascii_char (void);
2173 gfc_char_t gfc_peek_char (void);
2174 char gfc_peek_ascii_char (void);
2175 void gfc_error_recovery (void);
2176 void gfc_gobble_whitespace (void);
2177 gfc_try gfc_new_file (void);
2178 const char * gfc_read_orig_filename (const char *, const char **);
2180 extern gfc_source_form gfc_current_form;
2181 extern const char *gfc_source_file;
2182 extern locus gfc_current_locus;
2184 void gfc_start_source_files (void);
2185 void gfc_end_source_files (void);
2188 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2189 void gfc_free (void *);
2190 int gfc_terminal_width (void);
2191 void gfc_clear_ts (gfc_typespec *);
2192 FILE *gfc_open_file (const char *);
2193 const char *gfc_basic_typename (bt);
2194 const char *gfc_typename (gfc_typespec *);
2195 const char *gfc_op2string (gfc_intrinsic_op);
2196 const char *gfc_code2string (const mstring *, int);
2197 int gfc_string2code (const mstring *, const char *);
2198 const char *gfc_intent_string (sym_intent);
2200 void gfc_init_1 (void);
2201 void gfc_init_2 (void);
2202 void gfc_done_1 (void);
2203 void gfc_done_2 (void);
2205 int get_c_kind (const char *, CInteropKind_t *);
2208 unsigned int gfc_init_options (unsigned int, const char **);
2209 int gfc_handle_option (size_t, const char *, int);
2210 bool gfc_post_options (const char **);
2213 void gfc_maybe_initialize_eh (void);
2216 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2217 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2221 typedef struct gfc_error_buf
2224 size_t allocated, index;
2228 void gfc_error_init_1 (void);
2229 void gfc_buffer_error (int);
2231 const char *gfc_print_wide_char (gfc_char_t);
2233 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2234 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2235 void gfc_clear_warning (void);
2236 void gfc_warning_check (void);
2238 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2239 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2240 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2241 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2242 void gfc_clear_error (void);
2243 int gfc_error_check (void);
2244 int gfc_error_flag_test (void);
2246 notification gfc_notification_std (int);
2247 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2249 /* A general purpose syntax error. */
2250 #define gfc_syntax_error(ST) \
2251 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2253 void gfc_push_error (gfc_error_buf *);
2254 void gfc_pop_error (gfc_error_buf *);
2255 void gfc_free_error (gfc_error_buf *);
2257 void gfc_get_errors (int *, int *);
2260 void gfc_arith_init_1 (void);
2261 void gfc_arith_done_1 (void);
2262 arith gfc_check_integer_range (mpz_t p, int kind);
2263 bool gfc_check_character_range (gfc_char_t, int);
2266 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2267 int gfc_validate_kind (bt, int, bool);
2268 int gfc_get_int_kind_from_width_isofortranenv (int size);
2269 int gfc_get_real_kind_from_width_isofortranenv (int size);
2270 extern int gfc_index_integer_kind;
2271 extern int gfc_default_integer_kind;
2272 extern int gfc_max_integer_kind;
2273 extern int gfc_default_real_kind;
2274 extern int gfc_default_double_kind;
2275 extern int gfc_default_character_kind;
2276 extern int gfc_default_logical_kind;
2277 extern int gfc_default_complex_kind;
2278 extern int gfc_c_int_kind;
2279 extern int gfc_intio_kind;
2280 extern int gfc_charlen_int_kind;
2281 extern int gfc_numeric_storage_size;
2282 extern int gfc_character_storage_size;
2285 void gfc_clear_new_implicit (void);
2286 gfc_try gfc_add_new_implicit_range (int, int);
2287 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2288 void gfc_set_implicit_none (void);
2289 void gfc_check_function_type (gfc_namespace *);
2290 bool gfc_is_intrinsic_typename (const char *);
2292 gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *);
2293 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2295 void gfc_set_sym_referenced (gfc_symbol *);
2297 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2298 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2299 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2300 gfc_try gfc_add_external (symbol_attribute *, locus *);
2301 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2302 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2303 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2304 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2305 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2306 match gfc_mod_pointee_as (gfc_array_spec *);
2307 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2308 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2309 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2310 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2311 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2312 gfc_try gfc_add_target (symbol_attribute *, locus *);
2313 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2314 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2315 gfc_try gfc_add_common (symbol_attribute *, locus *);
2316 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2317 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2318 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2319 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2320 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2321 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2322 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2323 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2324 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2325 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2326 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2327 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2328 gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where);
2330 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2331 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2332 gfc_try gfc_add_extension (symbol_attribute *, locus *);
2333 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2334 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2335 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2336 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2337 const char *, locus *);
2338 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2339 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2340 gfc_formal_arglist *, locus *);
2341 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2343 void gfc_clear_attr (symbol_attribute *);
2344 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2345 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2347 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2348 gfc_symbol *gfc_use_derived (gfc_symbol *);
2349 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2350 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool);
2352 gfc_st_label *gfc_get_st_label (int);
2353 void gfc_free_st_label (gfc_st_label *);
2354 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2355 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2357 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2359 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2360 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2361 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2362 void gfc_delete_symtree (gfc_symtree **, const char *);
2363 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2364 gfc_user_op *gfc_get_uop (const char *);
2365 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2366 void gfc_free_symbol (gfc_symbol *);
2367 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2368 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2369 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2370 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2371 gfc_try verify_c_interop (gfc_typespec *);
2372 gfc_try verify_c_interop_param (gfc_symbol *);
2373 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2374 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2375 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2376 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2377 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2378 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2379 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2380 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2382 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2384 void gfc_undo_symbols (void);
2385 void gfc_commit_symbols (void);
2386 void gfc_commit_symbol (gfc_symbol *);
2387 void gfc_free_charlen (gfc_charlen *, gfc_charlen *);
2388 void gfc_free_namespace (gfc_namespace *);
2390 void gfc_symbol_init_2 (void);
2391 void gfc_symbol_done_2 (void);
2393 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2394 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2395 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2396 void gfc_save_all (gfc_namespace *);
2398 void gfc_symbol_state (void);
2399 void gfc_free_dt_list (void);
2402 gfc_gsymbol *gfc_get_gsymbol (const char *);
2403 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2405 gfc_typebound_proc* gfc_get_typebound_proc (void);
2406 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
2407 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool);
2408 gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*);
2410 void gfc_copy_formal_args (gfc_symbol *, gfc_symbol *);
2411 void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *);
2413 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2415 gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
2418 extern int gfc_init_expr;
2420 /* Given a symbol that we have decided is intrinsic, mark it as such
2421 by placing it into a special module that is otherwise impossible to
2424 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2426 void gfc_intrinsic_init_1 (void);
2427 void gfc_intrinsic_done_1 (void);
2429 char gfc_type_letter (bt);
2430 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2431 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2432 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2433 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2434 int gfc_generic_intrinsic (const char *);
2435 int gfc_specific_intrinsic (const char *);
2436 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2437 int gfc_intrinsic_actual_ok (const char *, const bool);
2438 gfc_intrinsic_sym *gfc_find_function (const char *);
2439 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2441 match gfc_intrinsic_func_interface (gfc_expr *, int);
2442 match gfc_intrinsic_sub_interface (gfc_code *, int);
2444 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2445 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2448 /* match.c -- FIXME */
2449 void gfc_free_iterator (gfc_iterator *, int);
2450 void gfc_free_forall_iterator (gfc_forall_iterator *);
2451 void gfc_free_alloc_list (gfc_alloc *);
2452 void gfc_free_namelist (gfc_namelist *);
2453 void gfc_free_equiv (gfc_equiv *);
2454 void gfc_free_data (gfc_data *);
2455 void gfc_free_case_list (gfc_case *);
2457 /* matchexp.c -- FIXME too? */
2458 gfc_expr *gfc_get_parentheses (gfc_expr *);
2461 void gfc_free_omp_clauses (gfc_omp_clauses *);
2462 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2463 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2464 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2465 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2468 void gfc_free_actual_arglist (gfc_actual_arglist *);
2469 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2470 const char *gfc_extract_int (gfc_expr *, int *);
2471 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2472 bool is_subref_array (gfc_expr *);
2474 gfc_expr *gfc_build_conversion (gfc_expr *);
2475 void gfc_free_ref_list (gfc_ref *);
2476 void gfc_type_convert_binary (gfc_expr *);
2477 int gfc_is_constant_expr (gfc_expr *);
2478 gfc_try gfc_simplify_expr (gfc_expr *, int);
2479 int gfc_has_vector_index (gfc_expr *);
2481 gfc_expr *gfc_get_expr (void);
2482 void gfc_free_expr (gfc_expr *);
2483 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2484 gfc_expr *gfc_int_expr (int);
2485 gfc_expr *gfc_logical_expr (int, locus *);
2486 mpz_t *gfc_copy_shape (mpz_t *, int);
2487 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2488 gfc_expr *gfc_copy_expr (gfc_expr *);
2489 gfc_ref* gfc_copy_ref (gfc_ref*);
2491 gfc_try gfc_specification_expr (gfc_expr *);
2493 int gfc_numeric_ts (gfc_typespec *);
2494 int gfc_kind_max (gfc_expr *, gfc_expr *);
2496 gfc_try gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3;
2497 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2498 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2499 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2501 gfc_expr *gfc_default_initializer (gfc_typespec *);
2502 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2504 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2505 bool (*)(gfc_expr *, gfc_symbol *, int*),
2507 void gfc_expr_set_symbols_referenced (gfc_expr *);
2508 gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
2509 void gfc_expr_replace_symbols (gfc_expr *, gfc_symbol *);
2511 bool is_proc_ptr_comp (gfc_expr *, gfc_component **);
2514 extern gfc_code new_st;
2516 void gfc_clear_new_st (void);
2517 gfc_code *gfc_get_code (void);
2518 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2519 void gfc_free_statement (gfc_code *);
2520 void gfc_free_statements (gfc_code *);
2523 gfc_try gfc_resolve_expr (gfc_expr *);
2524 void gfc_resolve (gfc_namespace *);
2525 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2526 int gfc_impure_variable (gfc_symbol *);
2527 int gfc_pure (gfc_symbol *);
2528 int gfc_elemental (gfc_symbol *);
2529 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2530 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2531 gfc_try gfc_resolve_index (gfc_expr *, int);
2532 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2533 int gfc_is_formal_arg (void);
2534 void gfc_resolve_substring_charlen (gfc_expr *);
2535 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2539 void gfc_free_array_spec (gfc_array_spec *);
2540 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2542 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2543 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2544 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2546 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2548 gfc_expr *gfc_start_constructor (bt, int, locus *);
2549 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2550 void gfc_free_constructor (gfc_constructor *);
2551 void gfc_simplify_iterator_var (gfc_expr *);
2552 gfc_try gfc_expand_constructor (gfc_expr *);
2553 int gfc_constant_ac (gfc_expr *);
2554 int gfc_expanded_ac (gfc_expr *);
2555 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2556 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2557 gfc_try gfc_check_constructor_type (gfc_expr *);
2558 gfc_try gfc_check_iter_variable (gfc_expr *);
2559 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2560 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2561 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2562 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2563 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2564 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2565 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2566 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2567 gfc_constructor *gfc_get_constructor (void);
2568 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2569 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2570 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2571 int gfc_is_compile_time_shape (gfc_array_spec *);
2573 gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *);
2576 /* interface.c -- FIXME: some of these should be in symbol.c */
2577 void gfc_free_interface (gfc_interface *);
2578 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2579 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2580 int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, int, int, char *, int);
2581 void gfc_check_interfaces (gfc_namespace *);
2582 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2583 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2584 gfc_actual_arglist **);
2585 gfc_try gfc_extend_expr (gfc_expr *);
2586 void gfc_free_formal_arglist (gfc_formal_arglist *);
2587 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2588 gfc_try gfc_add_interface (gfc_symbol *);
2589 gfc_interface *gfc_current_interface_head (void);
2590 void gfc_set_current_interface_head (gfc_interface *);
2591 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
2592 bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
2595 extern gfc_st_label format_asterisk;
2597 void gfc_free_open (gfc_open *);
2598 gfc_try gfc_resolve_open (gfc_open *);
2599 void gfc_free_close (gfc_close *);
2600 gfc_try gfc_resolve_close (gfc_close *);
2601 void gfc_free_filepos (gfc_filepos *);
2602 gfc_try gfc_resolve_filepos (gfc_filepos *);
2603 void gfc_free_inquire (gfc_inquire *);
2604 gfc_try gfc_resolve_inquire (gfc_inquire *);
2605 void gfc_free_dt (gfc_dt *);
2606 gfc_try gfc_resolve_dt (gfc_dt *);
2607 void gfc_free_wait (gfc_wait *);
2608 gfc_try gfc_resolve_wait (gfc_wait *);
2611 void gfc_module_init_2 (void);
2612 void gfc_module_done_2 (void);
2613 void gfc_dump_module (const char *, int);
2614 bool gfc_check_access (gfc_access, gfc_access);
2615 void gfc_free_use_stmts (gfc_use_list *);
2618 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2619 symbol_attribute gfc_expr_attr (gfc_expr *);
2620 match gfc_match_rvalue (gfc_expr **);
2621 match gfc_match_varspec (gfc_expr*, int, bool, bool);
2622 int gfc_check_digit (char, int);
2625 void gfc_generate_code (gfc_namespace *);
2626 void gfc_generate_module_code (gfc_namespace *);
2629 typedef int (*compare_fn) (void *, void *);
2630 void gfc_insert_bbt (void *, void *, compare_fn);
2631 void gfc_delete_bbt (void *, void *, compare_fn);
2633 /* dump-parse-tree.c */
2634 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2637 gfc_try gfc_parse_file (void);
2638 void gfc_global_used (gfc_gsymbol *, locus *);
2641 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2642 int gfc_is_data_pointer (gfc_expr *);
2645 gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*);
2647 #endif /* GCC_GFORTRAN_H */