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. */
934 typedef struct gfc_omp_clauses
936 struct gfc_expr *if_expr;
937 struct gfc_expr *num_threads;
938 gfc_namelist *lists[OMP_LIST_NUM];
948 struct gfc_expr *chunk_size;
955 OMP_DEFAULT_FIRSTPRIVATE
958 bool nowait, ordered, untied;
962 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
965 /* The gfc_st_label structure is a BBT attached to a namespace that
966 records the usage of statement labels within that space. */
968 typedef struct gfc_st_label
970 BBT_HEADER(gfc_st_label);
974 gfc_sl_type defined, referenced;
976 struct gfc_expr *format;
985 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
986 typedef struct gfc_interface
988 struct gfc_symbol *sym;
990 struct gfc_interface *next;
994 #define gfc_get_interface() XCNEW (gfc_interface)
996 /* User operator nodes. These are like stripped down symbols. */
1002 struct gfc_namespace *ns;
1008 /* A list of specific bindings that are associated with a generic spec. */
1009 typedef struct gfc_tbp_generic
1011 /* The parser sets specific_st, upon resolution we look for the corresponding
1012 gfc_typebound_proc and set specific for further use. */
1013 struct gfc_symtree* specific_st;
1014 struct gfc_typebound_proc* specific;
1016 struct gfc_tbp_generic* next;
1020 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1023 /* Data needed for type-bound procedures. */
1024 typedef struct gfc_typebound_proc
1026 locus where; /* Where the PROCEDURE/GENERIC definition was. */
1030 struct gfc_symtree* specific; /* The interface if DEFERRED. */
1031 gfc_tbp_generic* generic;
1036 char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1038 /* The overridden type-bound proc (or GENERIC with this name in the
1039 parent-type) or NULL if non. */
1040 struct gfc_typebound_proc* overridden;
1042 /* Once resolved, we use the position of pass_arg in the formal arglist of
1043 the binding-target procedure to identify it. The first argument has
1044 number 1 here, the second 2, and so on. */
1045 unsigned pass_arg_num;
1047 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1048 unsigned non_overridable:1;
1049 unsigned deferred:1;
1050 unsigned is_generic:1;
1051 unsigned function:1, subroutine:1;
1052 unsigned error:1; /* Ignore it, when an error occurred during resolution. */
1057 /* Symbol nodes. These are important things. They are what the
1058 standard refers to as "entities". The possibly multiple names that
1059 refer to the same entity are accomplished by a binary tree of
1060 symtree structures that is balanced by the red-black method-- more
1061 than one symtree node can point to any given symbol. */
1063 typedef struct gfc_symbol
1065 const char *name; /* Primary name, before renaming */
1066 const char *module; /* Module this symbol came from */
1070 symbol_attribute attr;
1072 /* The formal member points to the formal argument list if the
1073 symbol is a function or subroutine name. If the symbol is a
1074 generic name, the generic member points to the list of
1077 gfc_interface *generic;
1078 gfc_access component_access;
1080 gfc_formal_arglist *formal;
1081 struct gfc_namespace *formal_ns;
1082 struct gfc_namespace *f2k_derived;
1084 struct gfc_expr *value; /* Parameter/Initializer value */
1086 struct gfc_symbol *result; /* function result symbol */
1087 gfc_component *components; /* Derived type components */
1089 /* Defined only for Cray pointees; points to their pointer. */
1090 struct gfc_symbol *cp_pointer;
1092 struct gfc_symbol *common_next; /* Links for COMMON syms */
1094 /* This is in fact a gfc_common_head but it is only used for pointer
1095 comparisons to check if symbols are in the same common block. */
1096 struct gfc_common_head* common_head;
1098 /* Make sure setup code for dummy arguments is generated in the correct
1104 gfc_namelist *namelist, *namelist_tail;
1106 /* Change management fields. Symbols that might be modified by the
1107 current statement have the mark member nonzero and are kept in a
1108 singly linked list through the tlink field. Of these symbols,
1109 symbols with old_symbol equal to NULL are symbols created within
1110 the current statement. Otherwise, old_symbol points to a copy of
1113 struct gfc_symbol *old_symbol, *tlink;
1114 unsigned mark:1, gfc_new:1;
1115 /* Nonzero if all equivalences associated with this symbol have been
1117 unsigned equiv_built:1;
1118 /* Set if this variable is used as an index name in a FORALL. */
1119 unsigned forall_index:1;
1121 struct gfc_namespace *ns; /* namespace containing this symbol */
1125 /* Identity of the intrinsic module the symbol comes from, or
1126 INTMOD_NONE if it's not imported from a intrinsic module. */
1127 intmod_id from_intmod;
1128 /* Identity of the symbol from intrinsic modules, from enums maintained
1129 separately by each intrinsic module. Used together with from_intmod,
1130 it uniquely identifies a symbol from an intrinsic module. */
1133 /* This may be repetitive, since the typespec now has a binding
1135 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1136 /* Store a reference to the common_block, if this symbol is in one. */
1137 struct gfc_common_head *common_block;
1142 /* This structure is used to keep track of symbols in common blocks. */
1143 typedef struct gfc_common_head
1146 char use_assoc, saved, threadprivate;
1147 char name[GFC_MAX_SYMBOL_LEN + 1];
1148 struct gfc_symbol *head;
1149 char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1];
1154 #define gfc_get_common_head() XCNEW (gfc_common_head)
1157 /* A list of all the alternate entry points for a procedure. */
1159 typedef struct gfc_entry_list
1161 /* The symbol for this entry point. */
1163 /* The zero-based id of this entry point. */
1165 /* The LABEL_EXPR marking this entry point. */
1167 /* The next item in the list. */
1168 struct gfc_entry_list *next;
1172 #define gfc_get_entry_list() \
1173 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1175 /* Lists of rename info for the USE statement. */
1177 typedef struct gfc_use_rename
1179 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
1180 struct gfc_use_rename *next;
1182 gfc_intrinsic_op op;
1187 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1189 /* A list of all USE statements in a namespace. */
1191 typedef struct gfc_use_list
1193 const char *module_name;
1195 struct gfc_use_rename *rename;
1197 /* Next USE statement. */
1198 struct gfc_use_list *next;
1202 #define gfc_get_use_list() \
1203 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1205 /* Within a namespace, symbols are pointed to by symtree nodes that
1206 are linked together in a balanced binary tree. There can be
1207 several symtrees pointing to the same symbol node via USE
1210 typedef struct gfc_symtree
1212 BBT_HEADER (gfc_symtree);
1217 gfc_symbol *sym; /* Symbol associated with this node */
1219 gfc_common_head *common;
1220 gfc_typebound_proc *tb;
1226 /* A linked list of derived types in the namespace. */
1227 typedef struct gfc_dt_list
1229 struct gfc_symbol *derived;
1230 struct gfc_dt_list *next;
1234 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1236 /* A list of all derived types. */
1237 extern gfc_dt_list *gfc_derived_types;
1239 /* A namespace describes the contents of procedure, module or
1241 /* ??? Anything else use these? */
1243 typedef struct gfc_namespace
1245 /* Tree containing all the symbols in this namespace. */
1246 gfc_symtree *sym_root;
1247 /* Tree containing all the user-defined operators in the namespace. */
1248 gfc_symtree *uop_root;
1249 /* Tree containing all the common blocks. */
1250 gfc_symtree *common_root;
1252 /* Tree containing type-bound procedures. */
1253 gfc_symtree *tb_sym_root;
1254 /* Linked list of finalizer procedures. */
1255 struct gfc_finalizer *finalizers;
1257 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1258 int set_flag[GFC_LETTERS];
1259 /* Keeps track of the implicit types associated with the letters. */
1260 gfc_typespec default_type[GFC_LETTERS];
1261 /* Store the positions of IMPLICIT statements. */
1262 locus implicit_loc[GFC_LETTERS];
1264 /* If this is a namespace of a procedure, this points to the procedure. */
1265 struct gfc_symbol *proc_name;
1266 /* If this is the namespace of a unit which contains executable
1267 code, this points to it. */
1268 struct gfc_code *code;
1270 /* Points to the equivalences set up in this namespace. */
1271 struct gfc_equiv *equiv;
1273 /* Points to the equivalence groups produced by trans_common. */
1274 struct gfc_equiv_list *equiv_lists;
1276 gfc_interface *op[GFC_INTRINSIC_OPS];
1278 /* Points to the parent namespace, i.e. the namespace of a module or
1279 procedure in which the procedure belonging to this namespace is
1280 contained. The parent namespace points to this namespace either
1281 directly via CONTAINED, or indirectly via the chain built by
1283 struct gfc_namespace *parent;
1284 /* CONTAINED points to the first contained namespace. Sibling
1285 namespaces are chained via SIBLING. */
1286 struct gfc_namespace *contained, *sibling;
1288 gfc_common_head blank_common;
1289 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1291 gfc_st_label *st_labels;
1292 /* This list holds information about all the data initializers in
1294 struct gfc_data *data;
1296 gfc_charlen *cl_list, *old_cl_list;
1298 int save_all, seen_save, seen_implicit_none;
1300 /* Normally we don't need to refcount namespaces. However when we read
1301 a module containing a function with multiple entry points, this
1302 will appear as several functions with the same formal namespace. */
1305 /* A list of all alternate entry points to this procedure (or NULL). */
1306 gfc_entry_list *entries;
1308 /* A list of USE statements in this namespace. */
1309 gfc_use_list *use_stmts;
1311 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1314 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1317 /* Set to 1 if resolved has been called for this namespace. */
1322 extern gfc_namespace *gfc_current_ns;
1323 extern gfc_namespace *gfc_global_ns_list;
1325 /* Global symbols are symbols of global scope. Currently we only use
1326 this to detect collisions already when parsing.
1327 TODO: Extend to verify procedure calls. */
1329 enum gfc_symbol_type
1331 GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1332 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA
1335 typedef struct gfc_gsymbol
1337 BBT_HEADER(gfc_gsymbol);
1340 const char *sym_name;
1341 const char *mod_name;
1342 const char *binding_label;
1343 enum gfc_symbol_type type;
1351 extern gfc_gsymbol *gfc_gsym_root;
1353 /* Information on interfaces being built. */
1356 interface_type type;
1360 gfc_intrinsic_op op;
1364 extern gfc_interface_info current_interface;
1367 /* Array reference. */
1369 enum gfc_array_ref_dimen_type
1371 DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN
1374 typedef struct gfc_array_ref
1377 int dimen; /* # of components in the reference */
1381 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1382 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1383 *stride[GFC_MAX_DIMENSIONS];
1385 enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS];
1387 struct gfc_expr *offset;
1391 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1394 /* Component reference nodes. A variable is stored as an expression
1395 node that points to the base symbol. After that, a singly linked
1396 list of component reference nodes gives the variable's complete
1397 resolution. The array_ref component may be present and comes
1398 before the component component. */
1401 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1404 typedef struct gfc_ref
1410 struct gfc_array_ref ar;
1414 gfc_component *component;
1421 struct gfc_expr *start, *end; /* Substring */
1422 gfc_charlen *length;
1429 struct gfc_ref *next;
1433 #define gfc_get_ref() XCNEW (gfc_ref)
1436 /* Structures representing intrinsic symbols and their arguments lists. */
1437 typedef struct gfc_intrinsic_arg
1439 char name[GFC_MAX_SYMBOL_LEN + 1];
1443 gfc_actual_arglist *actual;
1445 struct gfc_intrinsic_arg *next;
1451 /* Specifies the various kinds of check functions used to verify the
1452 argument lists of intrinsic functions. fX with X an integer refer
1453 to check functions of intrinsics with X arguments. f1m is used for
1454 the MAX and MIN intrinsics which can have an arbitrary number of
1455 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1456 these have special semantics. */
1460 gfc_try (*f0)(void);
1461 gfc_try (*f1)(struct gfc_expr *);
1462 gfc_try (*f1m)(gfc_actual_arglist *);
1463 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *);
1464 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1465 gfc_try (*f3ml)(gfc_actual_arglist *);
1466 gfc_try (*f3red)(gfc_actual_arglist *);
1467 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1469 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1470 struct gfc_expr *, struct gfc_expr *);
1474 /* Like gfc_check_f, these specify the type of the simplification
1475 function associated with an intrinsic. The fX are just like in
1476 gfc_check_f. cc is used for type conversion functions. */
1480 struct gfc_expr *(*f0)(void);
1481 struct gfc_expr *(*f1)(struct gfc_expr *);
1482 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1483 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1485 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1486 struct gfc_expr *, struct gfc_expr *);
1487 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1488 struct gfc_expr *, struct gfc_expr *,
1490 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1494 /* Again like gfc_check_f, these specify the type of the resolution
1495 function associated with an intrinsic. The fX are just like in
1496 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1500 void (*f0)(struct gfc_expr *);
1501 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1502 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1503 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1504 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1506 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1507 struct gfc_expr *, struct gfc_expr *);
1508 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1509 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1510 void (*s1)(struct gfc_code *);
1515 typedef struct gfc_intrinsic_sym
1517 const char *name, *lib_name;
1518 gfc_intrinsic_arg *formal;
1520 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
1521 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1;
1525 gfc_simplify_f simplify;
1527 gfc_resolve_f resolve;
1528 struct gfc_intrinsic_sym *specific_head, *next;
1535 /* Expression nodes. The expression node types deserve explanations,
1536 since the last couple can be easily misconstrued:
1538 EXPR_OP Operator node pointing to one or two other nodes
1539 EXPR_FUNCTION Function call, symbol points to function's name
1540 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1541 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1542 which expresses structure, array and substring refs.
1543 EXPR_NULL The NULL pointer value (which also has a basic type).
1544 EXPR_SUBSTRING A substring of a constant string
1545 EXPR_STRUCTURE A structure constructor
1546 EXPR_ARRAY An array constructor.
1547 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1548 component or type-bound procedure. */
1552 #define GFC_RND_MODE GMP_RNDN
1554 typedef struct gfc_expr
1558 gfc_typespec ts; /* These two refer to the overall expression */
1561 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1563 /* Nonnull for functions and structure constructors, the base object for
1565 gfc_symtree *symtree;
1571 /* True if the expression is a call to a function that returns an array,
1572 and if we have decided not to allocate temporary data for that array.
1573 is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
1574 denotes a signalling not-a-number. */
1575 unsigned int inline_noncopying_intrinsic : 1, is_boz : 1, is_snan : 1;
1577 /* Sometimes, when an error has been emitted, it is necessary to prevent
1578 it from recurring. */
1579 unsigned int error : 1;
1581 /* Mark and expression where a user operator has been substituted by
1582 a function call in interface.c(gfc_extend_expr). */
1583 unsigned int user_operator : 1;
1585 /* Used to quickly find a given constructor by its offset. */
1586 splay_tree con_by_offset;
1588 /* If an expression comes from a Hollerith constant or compile-time
1589 evaluation of a transfer statement, it may have a prescribed target-
1590 memory representation, and these cannot always be backformed from
1617 gfc_intrinsic_op op;
1619 struct gfc_expr *op1, *op2;
1625 gfc_actual_arglist *actual;
1626 const char *name; /* Points to the ultimate name of the function */
1627 gfc_intrinsic_sym *isym;
1634 gfc_actual_arglist* actual;
1635 gfc_typebound_proc* tbp;
1647 struct gfc_constructor *constructor;
1655 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1657 /* Structures for information associated with different kinds of
1658 numbers. The first set of integer parameters define all there is
1659 to know about a particular kind. The rest of the elements are
1660 computed from the first elements. */
1664 /* Values really representable by the target. */
1665 mpz_t huge, pedantic_min_int, min_int;
1667 int kind, radix, digits, bit_size, range;
1669 /* True if the C type of the given name maps to this precision.
1670 Note that more than one bit can be set. */
1671 unsigned int c_char : 1;
1672 unsigned int c_short : 1;
1673 unsigned int c_int : 1;
1674 unsigned int c_long : 1;
1675 unsigned int c_long_long : 1;
1679 extern gfc_integer_info gfc_integer_kinds[];
1686 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1687 unsigned int c_bool : 1;
1691 extern gfc_logical_info gfc_logical_kinds[];
1696 mpfr_t epsilon, huge, tiny, subnormal;
1697 int kind, radix, digits, min_exponent, max_exponent;
1698 int range, precision;
1700 /* The precision of the type as reported by GET_MODE_PRECISION. */
1703 /* True if the C type of the given name maps to this precision.
1704 Note that more than one bit can be set. */
1705 unsigned int c_float : 1;
1706 unsigned int c_double : 1;
1707 unsigned int c_long_double : 1;
1711 extern gfc_real_info gfc_real_kinds[];
1720 extern gfc_character_info gfc_character_kinds[];
1723 /* Equivalence structures. Equivalent lvalues are linked along the
1724 *eq pointer, equivalence sets are strung along the *next node. */
1725 typedef struct gfc_equiv
1727 struct gfc_equiv *next, *eq;
1734 #define gfc_get_equiv() XCNEW (gfc_equiv)
1736 /* Holds a single equivalence member after processing. */
1737 typedef struct gfc_equiv_info
1740 HOST_WIDE_INT offset;
1741 HOST_WIDE_INT length;
1742 struct gfc_equiv_info *next;
1745 /* Holds equivalence groups, after they have been processed. */
1746 typedef struct gfc_equiv_list
1748 gfc_equiv_info *equiv;
1749 struct gfc_equiv_list *next;
1752 /* gfc_case stores the selector list of a case statement. The *low
1753 and *high pointers can point to the same expression in the case of
1754 a single value. If *high is NULL, the selection is from *low
1755 upwards, if *low is NULL the selection is *high downwards.
1757 This structure has separate fields to allow single and double linked
1758 lists of CASEs at the same time. The singe linked list along the NEXT
1759 field is a list of cases for a single CASE label. The double linked
1760 list along the LEFT/RIGHT fields is used to detect overlap and to
1761 build a table of the cases for SELECT constructs with a CHARACTER
1764 typedef struct gfc_case
1766 /* Where we saw this case. */
1770 /* Case range values. If (low == high), it's a single value. If one of
1771 the labels is NULL, it's an unbounded case. If both are NULL, this
1772 represents the default case. */
1773 gfc_expr *low, *high;
1775 /* Next case label in the list of cases for a single CASE label. */
1776 struct gfc_case *next;
1778 /* Used for detecting overlap, and for code generation. */
1779 struct gfc_case *left, *right;
1781 /* True if this case label can never be matched. */
1786 #define gfc_get_case() XCNEW (gfc_case)
1791 gfc_expr *var, *start, *end, *step;
1795 #define gfc_get_iterator() XCNEW (gfc_iterator)
1798 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1800 typedef struct gfc_alloc
1803 struct gfc_alloc *next;
1807 #define gfc_get_alloc() XCNEW (gfc_alloc)
1812 gfc_expr *unit, *file, *status, *access, *form, *recl,
1813 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
1814 *decimal, *encoding, *round, *sign, *asynchronous, *id;
1822 gfc_expr *unit, *status, *iostat, *iomsg;
1830 gfc_expr *unit, *iostat, *iomsg;
1838 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1839 *name, *access, *sequential, *direct, *form, *formatted,
1840 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1841 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
1842 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id;
1852 gfc_expr *unit, *iostat, *iomsg, *id;
1853 gfc_st_label *err, *end, *eor;
1860 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
1861 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
1862 *sign, *extra_comma;
1864 gfc_symbol *namelist;
1865 /* A format_label of `format_asterisk' indicates the "*" format */
1866 gfc_st_label *format_label;
1867 gfc_st_label *err, *end, *eor;
1869 locus eor_where, end_where, err_where;
1874 typedef struct gfc_forall_iterator
1876 gfc_expr *var, *start, *end, *stride;
1877 struct gfc_forall_iterator *next;
1879 gfc_forall_iterator;
1882 /* Executable statements that fill gfc_code structures. */
1885 EXEC_NOP = 1, EXEC_END_BLOCK, EXEC_ASSIGN, EXEC_LABEL_ASSIGN,
1886 EXEC_POINTER_ASSIGN,
1887 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
1888 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
1889 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1890 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, EXEC_CALL_PPC,
1891 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1892 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
1893 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1894 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1895 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1896 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1897 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1898 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1899 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1900 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT
1904 typedef struct gfc_code
1908 struct gfc_code *block, *next;
1911 gfc_st_label *here, *label, *label2, *label3;
1912 gfc_symtree *symtree;
1913 gfc_expr *expr, *expr2;
1914 /* A name isn't sufficient to identify a subroutine, we need the actual
1915 symbol for the interface definition.
1916 const char *sub_name; */
1917 gfc_symbol *resolved_sym;
1918 gfc_intrinsic_sym *resolved_isym;
1922 gfc_actual_arglist *actual;
1923 gfc_case *case_list;
1924 gfc_iterator *iterator;
1925 gfc_alloc *alloc_list;
1928 gfc_filepos *filepos;
1929 gfc_inquire *inquire;
1932 gfc_forall_iterator *forall_iterator;
1933 struct gfc_code *whichloop;
1935 gfc_entry_list *entry;
1936 gfc_omp_clauses *omp_clauses;
1937 const char *omp_name;
1938 gfc_namelist *omp_namelist;
1941 ext; /* Points to additional structures required by statement */
1943 /* Backend_decl is used for cycle and break labels in do loops, and
1944 probably for other constructs as well, once we translate them. */
1950 /* Storage for DATA statements. */
1951 typedef struct gfc_data_variable
1955 struct gfc_data_variable *list, *next;
1960 typedef struct gfc_data_value
1964 struct gfc_data_value *next;
1969 typedef struct gfc_data
1971 gfc_data_variable *var;
1972 gfc_data_value *value;
1975 struct gfc_data *next;
1980 /* Structure for holding compile options */
1984 gfc_source_form source_form;
1985 /* Maximum line lengths in fixed- and free-form source, respectively.
1986 When fixed_line_length or free_line_length are 0, the whole line is used,
1987 regardless of length.
1989 If the user requests a fixed_line_length <7 then gfc_init_options()
1990 emits a fatal error. */
1991 int fixed_line_length;
1992 int free_line_length;
1993 /* Maximum number of continuation lines in fixed- and free-form source,
1995 int max_continue_fixed;
1996 int max_continue_free;
1997 int max_identifier_length;
1998 int dump_parse_tree;
2002 int warn_conversion;
2003 int warn_implicit_interface;
2004 int warn_line_truncation;
2005 int warn_surprising;
2008 int warn_intrinsic_shadow;
2009 int warn_intrinsics_std;
2010 int warn_character_truncation;
2011 int warn_array_temp;
2012 int warn_align_commons;
2015 int flag_all_intrinsics;
2016 int flag_default_double;
2017 int flag_default_integer;
2018 int flag_default_real;
2020 int flag_underscoring;
2021 int flag_second_underscore;
2022 int flag_implicit_none;
2023 int flag_max_stack_var_size;
2024 int flag_max_array_constructor;
2025 int flag_range_check;
2026 int flag_pack_derived;
2027 int flag_repack_arrays;
2028 int flag_preprocessed;
2033 int flag_allow_leading_underscore;
2035 int flag_external_blas;
2036 int blas_matmul_limit;
2037 int flag_cray_pointer;
2041 int flag_module_private;
2043 int flag_init_local_zero;
2044 int flag_init_integer;
2045 int flag_init_integer_value;
2047 int flag_init_logical;
2048 int flag_init_character;
2049 char flag_init_character_value;
2050 int flag_align_commons;
2051 int flag_whole_file;
2061 int max_subrecord_length;
2065 extern gfc_option_t gfc_option;
2067 /* Constructor nodes for array and structure constructors. */
2068 typedef struct gfc_constructor
2071 gfc_iterator *iterator;
2073 struct gfc_constructor *next;
2076 mpz_t offset; /* Record the offset of array element which appears in
2077 data statement like "data a(5)/4/". */
2078 gfc_component *component; /* Record the component being initialized. */
2081 mpz_t repeat; /* Record the repeat number of initial values in data
2082 statement like "data a/5*10/". */
2087 typedef struct iterator_stack
2089 gfc_symtree *variable;
2091 struct iterator_stack *prev;
2094 extern iterator_stack *iter_stack;
2097 /* Node in the linked list used for storing finalizer procedures. */
2099 typedef struct gfc_finalizer
2101 struct gfc_finalizer* next;
2102 locus where; /* Where the FINAL declaration occurred. */
2104 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2105 symtree and later need only that. This way, we can access and call the
2106 finalizers from every context as they should be "always accessible". I
2107 don't make this a union because we need the information whether proc_sym is
2108 still referenced or not for dereferencing it on deleting a gfc_finalizer
2110 gfc_symbol* proc_sym;
2111 gfc_symtree* proc_tree;
2114 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2117 /************************ Function prototypes *************************/
2120 bool gfc_in_match_data (void);
2123 void gfc_scanner_done_1 (void);
2124 void gfc_scanner_init_1 (void);
2126 void gfc_add_include_path (const char *, bool, bool);
2127 void gfc_add_intrinsic_modules_path (const char *);
2128 void gfc_release_include_path (void);
2129 FILE *gfc_open_included_file (const char *, bool, bool);
2130 FILE *gfc_open_intrinsic_module (const char *);
2132 int gfc_at_end (void);
2133 int gfc_at_eof (void);
2134 int gfc_at_bol (void);
2135 int gfc_at_eol (void);
2136 void gfc_advance_line (void);
2137 int gfc_check_include (void);
2138 int gfc_define_undef_line (void);
2140 int gfc_wide_is_printable (gfc_char_t);
2141 int gfc_wide_is_digit (gfc_char_t);
2142 int gfc_wide_fits_in_byte (gfc_char_t);
2143 gfc_char_t gfc_wide_tolower (gfc_char_t);
2144 gfc_char_t gfc_wide_toupper (gfc_char_t);
2145 size_t gfc_wide_strlen (const gfc_char_t *);
2146 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2147 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2148 char *gfc_widechar_to_char (const gfc_char_t *, int);
2149 gfc_char_t *gfc_char_to_widechar (const char *);
2151 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2153 void gfc_skip_comments (void);
2154 gfc_char_t gfc_next_char_literal (int);
2155 gfc_char_t gfc_next_char (void);
2156 char gfc_next_ascii_char (void);
2157 gfc_char_t gfc_peek_char (void);
2158 char gfc_peek_ascii_char (void);
2159 void gfc_error_recovery (void);
2160 void gfc_gobble_whitespace (void);
2161 gfc_try gfc_new_file (void);
2162 const char * gfc_read_orig_filename (const char *, const char **);
2164 extern gfc_source_form gfc_current_form;
2165 extern const char *gfc_source_file;
2166 extern locus gfc_current_locus;
2168 void gfc_start_source_files (void);
2169 void gfc_end_source_files (void);
2172 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
2173 void gfc_free (void *);
2174 int gfc_terminal_width (void);
2175 void gfc_clear_ts (gfc_typespec *);
2176 FILE *gfc_open_file (const char *);
2177 const char *gfc_basic_typename (bt);
2178 const char *gfc_typename (gfc_typespec *);
2179 const char *gfc_op2string (gfc_intrinsic_op);
2180 const char *gfc_code2string (const mstring *, int);
2181 int gfc_string2code (const mstring *, const char *);
2182 const char *gfc_intent_string (sym_intent);
2184 void gfc_init_1 (void);
2185 void gfc_init_2 (void);
2186 void gfc_done_1 (void);
2187 void gfc_done_2 (void);
2189 int get_c_kind (const char *, CInteropKind_t *);
2192 unsigned int gfc_init_options (unsigned int, const char **);
2193 int gfc_handle_option (size_t, const char *, int);
2194 bool gfc_post_options (const char **);
2197 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2198 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2202 typedef struct gfc_error_buf
2205 size_t allocated, index;
2209 void gfc_error_init_1 (void);
2210 void gfc_buffer_error (int);
2212 const char *gfc_print_wide_char (gfc_char_t);
2214 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2215 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2216 void gfc_clear_warning (void);
2217 void gfc_warning_check (void);
2219 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2220 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2221 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2222 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2223 void gfc_clear_error (void);
2224 int gfc_error_check (void);
2225 int gfc_error_flag_test (void);
2227 notification gfc_notification_std (int);
2228 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2230 /* A general purpose syntax error. */
2231 #define gfc_syntax_error(ST) \
2232 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2234 void gfc_push_error (gfc_error_buf *);
2235 void gfc_pop_error (gfc_error_buf *);
2236 void gfc_free_error (gfc_error_buf *);
2238 void gfc_get_errors (int *, int *);
2241 void gfc_arith_init_1 (void);
2242 void gfc_arith_done_1 (void);
2243 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
2244 arith gfc_check_integer_range (mpz_t p, int kind);
2245 bool gfc_check_character_range (gfc_char_t, int);
2248 gfc_try gfc_check_any_c_kind (gfc_typespec *);
2249 int gfc_validate_kind (bt, int, bool);
2250 extern int gfc_index_integer_kind;
2251 extern int gfc_default_integer_kind;
2252 extern int gfc_max_integer_kind;
2253 extern int gfc_default_real_kind;
2254 extern int gfc_default_double_kind;
2255 extern int gfc_default_character_kind;
2256 extern int gfc_default_logical_kind;
2257 extern int gfc_default_complex_kind;
2258 extern int gfc_c_int_kind;
2259 extern int gfc_intio_kind;
2260 extern int gfc_charlen_int_kind;
2261 extern int gfc_numeric_storage_size;
2262 extern int gfc_character_storage_size;
2265 void gfc_clear_new_implicit (void);
2266 gfc_try gfc_add_new_implicit_range (int, int);
2267 gfc_try gfc_merge_new_implicit (gfc_typespec *);
2268 void gfc_set_implicit_none (void);
2269 void gfc_check_function_type (gfc_namespace *);
2270 bool gfc_is_intrinsic_typename (const char *);
2272 gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *);
2273 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2275 void gfc_set_sym_referenced (gfc_symbol *);
2277 gfc_try gfc_add_attribute (symbol_attribute *, locus *);
2278 gfc_try gfc_add_allocatable (symbol_attribute *, locus *);
2279 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *);
2280 gfc_try gfc_add_external (symbol_attribute *, locus *);
2281 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *);
2282 gfc_try gfc_add_optional (symbol_attribute *, locus *);
2283 gfc_try gfc_add_pointer (symbol_attribute *, locus *);
2284 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *);
2285 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *);
2286 match gfc_mod_pointee_as (gfc_array_spec *);
2287 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *);
2288 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *);
2289 gfc_try gfc_add_save (symbol_attribute *, const char *, locus *);
2290 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2291 gfc_try gfc_add_saved_common (symbol_attribute *, locus *);
2292 gfc_try gfc_add_target (symbol_attribute *, locus *);
2293 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *);
2294 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *);
2295 gfc_try gfc_add_common (symbol_attribute *, locus *);
2296 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *);
2297 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2298 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *);
2299 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2300 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *);
2301 gfc_try gfc_add_elemental (symbol_attribute *, locus *);
2302 gfc_try gfc_add_pure (symbol_attribute *, locus *);
2303 gfc_try gfc_add_recursive (symbol_attribute *, locus *);
2304 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *);
2305 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2306 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *);
2307 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2308 gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where);
2310 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2311 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2312 gfc_try gfc_add_extension (symbol_attribute *, locus *);
2313 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *);
2314 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2315 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *);
2316 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type,
2317 const char *, locus *);
2318 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2319 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2320 gfc_formal_arglist *, locus *);
2321 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
2323 void gfc_clear_attr (symbol_attribute *);
2324 gfc_try gfc_missing_attr (symbol_attribute *, locus *);
2325 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
2327 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
2328 gfc_symbol *gfc_use_derived (gfc_symbol *);
2329 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
2330 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool);
2332 gfc_st_label *gfc_get_st_label (int);
2333 void gfc_free_st_label (gfc_st_label *);
2334 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
2335 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
2337 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
2339 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
2340 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
2341 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
2342 void gfc_delete_symtree (gfc_symtree **, const char *);
2343 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
2344 gfc_user_op *gfc_get_uop (const char *);
2345 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
2346 void gfc_free_symbol (gfc_symbol *);
2347 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
2348 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
2349 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
2350 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
2351 gfc_try verify_c_interop (gfc_typespec *);
2352 gfc_try verify_c_interop_param (gfc_symbol *);
2353 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
2354 gfc_try verify_bind_c_derived_type (gfc_symbol *);
2355 gfc_try verify_com_block_vars_c_interop (gfc_common_head *);
2356 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *);
2357 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int);
2358 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
2359 int gfc_get_ha_symbol (const char *, gfc_symbol **);
2360 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
2362 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
2364 void gfc_undo_symbols (void);
2365 void gfc_commit_symbols (void);
2366 void gfc_commit_symbol (gfc_symbol *);
2367 void gfc_free_charlen (gfc_charlen *, gfc_charlen *);
2368 void gfc_free_namespace (gfc_namespace *);
2370 void gfc_symbol_init_2 (void);
2371 void gfc_symbol_done_2 (void);
2373 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
2374 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
2375 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
2376 void gfc_save_all (gfc_namespace *);
2378 void gfc_symbol_state (void);
2379 void gfc_free_dt_list (void);
2382 gfc_gsymbol *gfc_get_gsymbol (const char *);
2383 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
2385 gfc_typebound_proc* gfc_get_typebound_proc (void);
2386 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
2387 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool);
2388 gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*);
2390 void gfc_copy_formal_args (gfc_symbol *, gfc_symbol *);
2391 void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *);
2393 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
2395 gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
2398 extern int gfc_init_expr;
2400 /* Given a symbol that we have decided is intrinsic, mark it as such
2401 by placing it into a special module that is otherwise impossible to
2404 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2406 void gfc_intrinsic_init_1 (void);
2407 void gfc_intrinsic_done_1 (void);
2409 char gfc_type_letter (bt);
2410 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
2411 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
2412 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
2413 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *);
2414 int gfc_generic_intrinsic (const char *);
2415 int gfc_specific_intrinsic (const char *);
2416 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
2417 int gfc_intrinsic_actual_ok (const char *, const bool);
2418 gfc_intrinsic_sym *gfc_find_function (const char *);
2419 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
2421 match gfc_intrinsic_func_interface (gfc_expr *, int);
2422 match gfc_intrinsic_sub_interface (gfc_code *, int);
2424 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
2425 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
2428 /* match.c -- FIXME */
2429 void gfc_free_iterator (gfc_iterator *, int);
2430 void gfc_free_forall_iterator (gfc_forall_iterator *);
2431 void gfc_free_alloc_list (gfc_alloc *);
2432 void gfc_free_namelist (gfc_namelist *);
2433 void gfc_free_equiv (gfc_equiv *);
2434 void gfc_free_data (gfc_data *);
2435 void gfc_free_case_list (gfc_case *);
2437 /* matchexp.c -- FIXME too? */
2438 gfc_expr *gfc_get_parentheses (gfc_expr *);
2441 void gfc_free_omp_clauses (gfc_omp_clauses *);
2442 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
2443 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
2444 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
2445 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
2448 void gfc_free_actual_arglist (gfc_actual_arglist *);
2449 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
2450 const char *gfc_extract_int (gfc_expr *, int *);
2451 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
2452 bool is_subref_array (gfc_expr *);
2454 gfc_expr *gfc_build_conversion (gfc_expr *);
2455 void gfc_free_ref_list (gfc_ref *);
2456 void gfc_type_convert_binary (gfc_expr *);
2457 int gfc_is_constant_expr (gfc_expr *);
2458 gfc_try gfc_simplify_expr (gfc_expr *, int);
2459 int gfc_has_vector_index (gfc_expr *);
2461 gfc_expr *gfc_get_expr (void);
2462 void gfc_free_expr (gfc_expr *);
2463 void gfc_replace_expr (gfc_expr *, gfc_expr *);
2464 gfc_expr *gfc_int_expr (int);
2465 gfc_expr *gfc_logical_expr (int, locus *);
2466 mpz_t *gfc_copy_shape (mpz_t *, int);
2467 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
2468 gfc_expr *gfc_copy_expr (gfc_expr *);
2469 gfc_ref* gfc_copy_ref (gfc_ref*);
2471 gfc_try gfc_specification_expr (gfc_expr *);
2473 int gfc_numeric_ts (gfc_typespec *);
2474 int gfc_kind_max (gfc_expr *, gfc_expr *);
2476 gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
2477 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int);
2478 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
2479 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
2481 gfc_expr *gfc_default_initializer (gfc_typespec *);
2482 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
2484 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
2485 bool (*)(gfc_expr *, gfc_symbol *, int*),
2487 void gfc_expr_set_symbols_referenced (gfc_expr *);
2488 gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
2489 void gfc_expr_replace_symbols (gfc_expr *, gfc_symbol *);
2491 bool is_proc_ptr_comp (gfc_expr *, gfc_component **);
2494 extern gfc_code new_st;
2496 void gfc_clear_new_st (void);
2497 gfc_code *gfc_get_code (void);
2498 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
2499 void gfc_free_statement (gfc_code *);
2500 void gfc_free_statements (gfc_code *);
2503 gfc_try gfc_resolve_expr (gfc_expr *);
2504 void gfc_resolve (gfc_namespace *);
2505 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
2506 int gfc_impure_variable (gfc_symbol *);
2507 int gfc_pure (gfc_symbol *);
2508 int gfc_elemental (gfc_symbol *);
2509 gfc_try gfc_resolve_iterator (gfc_iterator *, bool);
2510 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int);
2511 gfc_try gfc_resolve_index (gfc_expr *, int);
2512 gfc_try gfc_resolve_dim_arg (gfc_expr *);
2513 int gfc_is_formal_arg (void);
2514 void gfc_resolve_substring_charlen (gfc_expr *);
2515 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
2519 void gfc_free_array_spec (gfc_array_spec *);
2520 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
2522 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
2523 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
2524 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int);
2526 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
2528 gfc_expr *gfc_start_constructor (bt, int, locus *);
2529 void gfc_append_constructor (gfc_expr *, gfc_expr *);
2530 void gfc_free_constructor (gfc_constructor *);
2531 void gfc_simplify_iterator_var (gfc_expr *);
2532 gfc_try gfc_expand_constructor (gfc_expr *);
2533 int gfc_constant_ac (gfc_expr *);
2534 int gfc_expanded_ac (gfc_expr *);
2535 gfc_try gfc_resolve_character_array_constructor (gfc_expr *);
2536 gfc_try gfc_resolve_array_constructor (gfc_expr *);
2537 gfc_try gfc_check_constructor_type (gfc_expr *);
2538 gfc_try gfc_check_iter_variable (gfc_expr *);
2539 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *));
2540 gfc_constructor *gfc_copy_constructor (gfc_constructor *);
2541 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2542 gfc_try gfc_array_size (gfc_expr *, mpz_t *);
2543 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2544 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2545 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2546 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2547 gfc_constructor *gfc_get_constructor (void);
2548 tree gfc_conv_array_initializer (tree type, gfc_expr *);
2549 gfc_try spec_size (gfc_array_spec *, mpz_t *);
2550 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *);
2551 int gfc_is_compile_time_shape (gfc_array_spec *);
2553 gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *);
2556 /* interface.c -- FIXME: some of these should be in symbol.c */
2557 void gfc_free_interface (gfc_interface *);
2558 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2559 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2560 int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, int);
2561 void gfc_check_interfaces (gfc_namespace *);
2562 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2563 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2564 gfc_actual_arglist **);
2565 gfc_try gfc_extend_expr (gfc_expr *);
2566 void gfc_free_formal_arglist (gfc_formal_arglist *);
2567 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *);
2568 gfc_try gfc_add_interface (gfc_symbol *);
2569 gfc_interface *gfc_current_interface_head (void);
2570 void gfc_set_current_interface_head (gfc_interface *);
2571 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
2572 bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
2575 extern gfc_st_label format_asterisk;
2577 void gfc_free_open (gfc_open *);
2578 gfc_try gfc_resolve_open (gfc_open *);
2579 void gfc_free_close (gfc_close *);
2580 gfc_try gfc_resolve_close (gfc_close *);
2581 void gfc_free_filepos (gfc_filepos *);
2582 gfc_try gfc_resolve_filepos (gfc_filepos *);
2583 void gfc_free_inquire (gfc_inquire *);
2584 gfc_try gfc_resolve_inquire (gfc_inquire *);
2585 void gfc_free_dt (gfc_dt *);
2586 gfc_try gfc_resolve_dt (gfc_dt *);
2587 void gfc_free_wait (gfc_wait *);
2588 gfc_try gfc_resolve_wait (gfc_wait *);
2591 void gfc_module_init_2 (void);
2592 void gfc_module_done_2 (void);
2593 void gfc_dump_module (const char *, int);
2594 bool gfc_check_access (gfc_access, gfc_access);
2595 void gfc_free_use_stmts (gfc_use_list *);
2598 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2599 symbol_attribute gfc_expr_attr (gfc_expr *);
2600 match gfc_match_rvalue (gfc_expr **);
2601 match gfc_match_varspec (gfc_expr*, int, bool, bool);
2602 int gfc_check_digit (char, int);
2605 void gfc_generate_code (gfc_namespace *);
2606 void gfc_generate_module_code (gfc_namespace *);
2609 typedef int (*compare_fn) (void *, void *);
2610 void gfc_insert_bbt (void *, void *, compare_fn);
2611 void gfc_delete_bbt (void *, void *, compare_fn);
2613 /* dump-parse-tree.c */
2614 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
2617 gfc_try gfc_parse_file (void);
2618 void gfc_global_used (gfc_gsymbol *, locus *);
2621 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2622 int gfc_is_data_pointer (gfc_expr *);
2625 gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*);
2627 #endif /* GCC_GFORTRAN_H */