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
;
858 struct gfc_namespace
*formal_ns
;
862 #define gfc_get_component() XCNEW (gfc_component)
864 /* Formal argument lists are lists of symbols. */
865 typedef struct gfc_formal_arglist
867 /* Symbol representing the argument at this position in the arglist. */
868 struct gfc_symbol
*sym
;
869 /* Points to the next formal argument. */
870 struct gfc_formal_arglist
*next
;
874 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
877 /* The gfc_actual_arglist structure is for actual arguments. */
878 typedef struct gfc_actual_arglist
881 /* Alternate return label when the expr member is null. */
882 struct gfc_st_label
*label
;
884 /* This is set to the type of an eventual omitted optional
885 argument. This is used to determine if a hidden string length
886 argument has to be added to a function call. */
889 struct gfc_expr
*expr
;
890 struct gfc_actual_arglist
*next
;
894 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
897 /* Because a symbol can belong to multiple namelists, they must be
898 linked externally to the symbol itself. */
899 typedef struct gfc_namelist
901 struct gfc_symbol
*sym
;
902 struct gfc_namelist
*next
;
906 #define gfc_get_namelist() XCNEW (gfc_namelist)
911 OMP_LIST_FIRSTPRIVATE
,
912 OMP_LIST_LASTPRIVATE
,
913 OMP_LIST_COPYPRIVATE
,
917 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
929 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
933 /* Because a symbol can belong to multiple namelists, they must be
934 linked externally to the symbol itself. */
936 enum gfc_omp_sched_kind
946 enum gfc_omp_default_sharing
952 OMP_DEFAULT_FIRSTPRIVATE
955 typedef struct gfc_omp_clauses
957 struct gfc_expr
*if_expr
;
958 struct gfc_expr
*num_threads
;
959 gfc_namelist
*lists
[OMP_LIST_NUM
];
960 enum gfc_omp_sched_kind sched_kind
;
961 struct gfc_expr
*chunk_size
;
962 enum gfc_omp_default_sharing default_sharing
;
964 bool nowait
, ordered
, untied
;
968 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
971 /* The gfc_st_label structure is a BBT attached to a namespace that
972 records the usage of statement labels within that space. */
974 typedef struct gfc_st_label
976 BBT_HEADER(gfc_st_label
);
980 gfc_sl_type defined
, referenced
;
982 struct gfc_expr
*format
;
991 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
992 typedef struct gfc_interface
994 struct gfc_symbol
*sym
;
996 struct gfc_interface
*next
;
1000 #define gfc_get_interface() XCNEW (gfc_interface)
1002 /* User operator nodes. These are like stripped down symbols. */
1008 struct gfc_namespace
*ns
;
1014 /* A list of specific bindings that are associated with a generic spec. */
1015 typedef struct gfc_tbp_generic
1017 /* The parser sets specific_st, upon resolution we look for the corresponding
1018 gfc_typebound_proc and set specific for further use. */
1019 struct gfc_symtree
* specific_st
;
1020 struct gfc_typebound_proc
* specific
;
1022 struct gfc_tbp_generic
* next
;
1026 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1029 /* Data needed for type-bound procedures. */
1030 typedef struct gfc_typebound_proc
1032 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1036 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1037 gfc_tbp_generic
* generic
;
1042 char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1044 /* The overridden type-bound proc (or GENERIC with this name in the
1045 parent-type) or NULL if non. */
1046 struct gfc_typebound_proc
* overridden
;
1048 /* Once resolved, we use the position of pass_arg in the formal arglist of
1049 the binding-target procedure to identify it. The first argument has
1050 number 1 here, the second 2, and so on. */
1051 unsigned pass_arg_num
;
1053 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1054 unsigned non_overridable
:1;
1055 unsigned deferred
:1;
1056 unsigned is_generic
:1;
1057 unsigned function
:1, subroutine
:1;
1058 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1063 /* Symbol nodes. These are important things. They are what the
1064 standard refers to as "entities". The possibly multiple names that
1065 refer to the same entity are accomplished by a binary tree of
1066 symtree structures that is balanced by the red-black method-- more
1067 than one symtree node can point to any given symbol. */
1069 typedef struct gfc_symbol
1071 const char *name
; /* Primary name, before renaming */
1072 const char *module
; /* Module this symbol came from */
1076 symbol_attribute attr
;
1078 /* The formal member points to the formal argument list if the
1079 symbol is a function or subroutine name. If the symbol is a
1080 generic name, the generic member points to the list of
1083 gfc_interface
*generic
;
1084 gfc_access component_access
;
1086 gfc_formal_arglist
*formal
;
1087 struct gfc_namespace
*formal_ns
;
1088 struct gfc_namespace
*f2k_derived
;
1090 struct gfc_expr
*value
; /* Parameter/Initializer value */
1092 struct gfc_symbol
*result
; /* function result symbol */
1093 gfc_component
*components
; /* Derived type components */
1095 /* Defined only for Cray pointees; points to their pointer. */
1096 struct gfc_symbol
*cp_pointer
;
1098 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1100 /* This is in fact a gfc_common_head but it is only used for pointer
1101 comparisons to check if symbols are in the same common block. */
1102 struct gfc_common_head
* common_head
;
1104 /* Make sure setup code for dummy arguments is generated in the correct
1110 gfc_namelist
*namelist
, *namelist_tail
;
1112 /* Change management fields. Symbols that might be modified by the
1113 current statement have the mark member nonzero and are kept in a
1114 singly linked list through the tlink field. Of these symbols,
1115 symbols with old_symbol equal to NULL are symbols created within
1116 the current statement. Otherwise, old_symbol points to a copy of
1119 struct gfc_symbol
*old_symbol
, *tlink
;
1120 unsigned mark
:1, gfc_new
:1;
1121 /* Nonzero if all equivalences associated with this symbol have been
1123 unsigned equiv_built
:1;
1124 /* Set if this variable is used as an index name in a FORALL. */
1125 unsigned forall_index
:1;
1127 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1131 /* Identity of the intrinsic module the symbol comes from, or
1132 INTMOD_NONE if it's not imported from a intrinsic module. */
1133 intmod_id from_intmod
;
1134 /* Identity of the symbol from intrinsic modules, from enums maintained
1135 separately by each intrinsic module. Used together with from_intmod,
1136 it uniquely identifies a symbol from an intrinsic module. */
1139 /* This may be repetitive, since the typespec now has a binding
1141 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1142 /* Store a reference to the common_block, if this symbol is in one. */
1143 struct gfc_common_head
*common_block
;
1148 /* This structure is used to keep track of symbols in common blocks. */
1149 typedef struct gfc_common_head
1152 char use_assoc
, saved
, threadprivate
;
1153 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1154 struct gfc_symbol
*head
;
1155 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1160 #define gfc_get_common_head() XCNEW (gfc_common_head)
1163 /* A list of all the alternate entry points for a procedure. */
1165 typedef struct gfc_entry_list
1167 /* The symbol for this entry point. */
1169 /* The zero-based id of this entry point. */
1171 /* The LABEL_EXPR marking this entry point. */
1173 /* The next item in the list. */
1174 struct gfc_entry_list
*next
;
1178 #define gfc_get_entry_list() \
1179 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1181 /* Lists of rename info for the USE statement. */
1183 typedef struct gfc_use_rename
1185 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1186 struct gfc_use_rename
*next
;
1188 gfc_intrinsic_op op
;
1193 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1195 /* A list of all USE statements in a namespace. */
1197 typedef struct gfc_use_list
1199 const char *module_name
;
1201 struct gfc_use_rename
*rename
;
1203 /* Next USE statement. */
1204 struct gfc_use_list
*next
;
1208 #define gfc_get_use_list() \
1209 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1211 /* Within a namespace, symbols are pointed to by symtree nodes that
1212 are linked together in a balanced binary tree. There can be
1213 several symtrees pointing to the same symbol node via USE
1216 typedef struct gfc_symtree
1218 BBT_HEADER (gfc_symtree
);
1223 gfc_symbol
*sym
; /* Symbol associated with this node */
1225 gfc_common_head
*common
;
1226 gfc_typebound_proc
*tb
;
1232 /* A linked list of derived types in the namespace. */
1233 typedef struct gfc_dt_list
1235 struct gfc_symbol
*derived
;
1236 struct gfc_dt_list
*next
;
1240 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1242 /* A list of all derived types. */
1243 extern gfc_dt_list
*gfc_derived_types
;
1245 /* A namespace describes the contents of procedure, module or
1247 /* ??? Anything else use these? */
1249 typedef struct gfc_namespace
1251 /* Tree containing all the symbols in this namespace. */
1252 gfc_symtree
*sym_root
;
1253 /* Tree containing all the user-defined operators in the namespace. */
1254 gfc_symtree
*uop_root
;
1255 /* Tree containing all the common blocks. */
1256 gfc_symtree
*common_root
;
1258 /* Tree containing type-bound procedures. */
1259 gfc_symtree
*tb_sym_root
;
1260 /* Linked list of finalizer procedures. */
1261 struct gfc_finalizer
*finalizers
;
1263 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1264 int set_flag
[GFC_LETTERS
];
1265 /* Keeps track of the implicit types associated with the letters. */
1266 gfc_typespec default_type
[GFC_LETTERS
];
1267 /* Store the positions of IMPLICIT statements. */
1268 locus implicit_loc
[GFC_LETTERS
];
1270 /* If this is a namespace of a procedure, this points to the procedure. */
1271 struct gfc_symbol
*proc_name
;
1272 /* If this is the namespace of a unit which contains executable
1273 code, this points to it. */
1274 struct gfc_code
*code
;
1276 /* Points to the equivalences set up in this namespace. */
1277 struct gfc_equiv
*equiv
;
1279 /* Points to the equivalence groups produced by trans_common. */
1280 struct gfc_equiv_list
*equiv_lists
;
1282 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1284 /* Points to the parent namespace, i.e. the namespace of a module or
1285 procedure in which the procedure belonging to this namespace is
1286 contained. The parent namespace points to this namespace either
1287 directly via CONTAINED, or indirectly via the chain built by
1289 struct gfc_namespace
*parent
;
1290 /* CONTAINED points to the first contained namespace. Sibling
1291 namespaces are chained via SIBLING. */
1292 struct gfc_namespace
*contained
, *sibling
;
1294 gfc_common_head blank_common
;
1295 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1297 gfc_st_label
*st_labels
;
1298 /* This list holds information about all the data initializers in
1300 struct gfc_data
*data
;
1302 gfc_charlen
*cl_list
, *old_cl_list
;
1304 int save_all
, seen_save
, seen_implicit_none
;
1306 /* Normally we don't need to refcount namespaces. However when we read
1307 a module containing a function with multiple entry points, this
1308 will appear as several functions with the same formal namespace. */
1311 /* A list of all alternate entry points to this procedure (or NULL). */
1312 gfc_entry_list
*entries
;
1314 /* A list of USE statements in this namespace. */
1315 gfc_use_list
*use_stmts
;
1317 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1320 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1323 /* Set to 1 if resolved has been called for this namespace. */
1328 extern gfc_namespace
*gfc_current_ns
;
1329 extern gfc_namespace
*gfc_global_ns_list
;
1331 /* Global symbols are symbols of global scope. Currently we only use
1332 this to detect collisions already when parsing.
1333 TODO: Extend to verify procedure calls. */
1335 enum gfc_symbol_type
1337 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1338 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1341 typedef struct gfc_gsymbol
1343 BBT_HEADER(gfc_gsymbol
);
1346 const char *sym_name
;
1347 const char *mod_name
;
1348 const char *binding_label
;
1349 enum gfc_symbol_type type
;
1357 extern gfc_gsymbol
*gfc_gsym_root
;
1359 /* Information on interfaces being built. */
1362 interface_type type
;
1366 gfc_intrinsic_op op
;
1370 extern gfc_interface_info current_interface
;
1373 /* Array reference. */
1375 enum gfc_array_ref_dimen_type
1377 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
1380 typedef struct gfc_array_ref
1383 int dimen
; /* # of components in the reference */
1387 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1388 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1389 *stride
[GFC_MAX_DIMENSIONS
];
1391 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1393 struct gfc_expr
*offset
;
1397 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1400 /* Component reference nodes. A variable is stored as an expression
1401 node that points to the base symbol. After that, a singly linked
1402 list of component reference nodes gives the variable's complete
1403 resolution. The array_ref component may be present and comes
1404 before the component component. */
1407 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1410 typedef struct gfc_ref
1416 struct gfc_array_ref ar
;
1420 gfc_component
*component
;
1427 struct gfc_expr
*start
, *end
; /* Substring */
1428 gfc_charlen
*length
;
1435 struct gfc_ref
*next
;
1439 #define gfc_get_ref() XCNEW (gfc_ref)
1442 /* Structures representing intrinsic symbols and their arguments lists. */
1443 typedef struct gfc_intrinsic_arg
1445 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1449 ENUM_BITFIELD (sym_intent
) intent
:2;
1450 gfc_actual_arglist
*actual
;
1452 struct gfc_intrinsic_arg
*next
;
1458 /* Specifies the various kinds of check functions used to verify the
1459 argument lists of intrinsic functions. fX with X an integer refer
1460 to check functions of intrinsics with X arguments. f1m is used for
1461 the MAX and MIN intrinsics which can have an arbitrary number of
1462 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1463 these have special semantics. */
1467 gfc_try (*f0
)(void);
1468 gfc_try (*f1
)(struct gfc_expr
*);
1469 gfc_try (*f1m
)(gfc_actual_arglist
*);
1470 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1471 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1472 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1473 gfc_try (*f3red
)(gfc_actual_arglist
*);
1474 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1476 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1477 struct gfc_expr
*, struct gfc_expr
*);
1481 /* Like gfc_check_f, these specify the type of the simplification
1482 function associated with an intrinsic. The fX are just like in
1483 gfc_check_f. cc is used for type conversion functions. */
1487 struct gfc_expr
*(*f0
)(void);
1488 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1489 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1490 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1492 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1493 struct gfc_expr
*, struct gfc_expr
*);
1494 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1495 struct gfc_expr
*, struct gfc_expr
*,
1497 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1501 /* Again like gfc_check_f, these specify the type of the resolution
1502 function associated with an intrinsic. The fX are just like in
1503 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1507 void (*f0
)(struct gfc_expr
*);
1508 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1509 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1510 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1511 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1513 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1514 struct gfc_expr
*, struct gfc_expr
*);
1515 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1516 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1517 void (*s1
)(struct gfc_code
*);
1522 typedef struct gfc_intrinsic_sym
1524 const char *name
, *lib_name
;
1525 gfc_intrinsic_arg
*formal
;
1527 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1528 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1;
1532 gfc_simplify_f simplify
;
1534 gfc_resolve_f resolve
;
1535 struct gfc_intrinsic_sym
*specific_head
, *next
;
1542 /* Expression nodes. The expression node types deserve explanations,
1543 since the last couple can be easily misconstrued:
1545 EXPR_OP Operator node pointing to one or two other nodes
1546 EXPR_FUNCTION Function call, symbol points to function's name
1547 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1548 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1549 which expresses structure, array and substring refs.
1550 EXPR_NULL The NULL pointer value (which also has a basic type).
1551 EXPR_SUBSTRING A substring of a constant string
1552 EXPR_STRUCTURE A structure constructor
1553 EXPR_ARRAY An array constructor.
1554 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1555 component or type-bound procedure. */
1561 # if MPC_VERSION >= MPC_VERSION_NUM(0,6,1)
1562 # define HAVE_mpc_pow
1565 #define mpc_realref(X) ((X).r)
1566 #define mpc_imagref(X) ((X).i)
1568 #define GFC_RND_MODE GMP_RNDN
1569 #define GFC_MPC_RND_MODE MPC_RNDNN
1571 typedef struct gfc_expr
1575 gfc_typespec ts
; /* These two refer to the overall expression */
1578 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1580 /* Nonnull for functions and structure constructors, the base object for
1582 gfc_symtree
*symtree
;
1588 /* True if the expression is a call to a function that returns an array,
1589 and if we have decided not to allocate temporary data for that array.
1590 is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
1591 denotes a signalling not-a-number. */
1592 unsigned int inline_noncopying_intrinsic
: 1, is_boz
: 1, is_snan
: 1;
1594 /* Sometimes, when an error has been emitted, it is necessary to prevent
1595 it from recurring. */
1596 unsigned int error
: 1;
1598 /* Mark and expression where a user operator has been substituted by
1599 a function call in interface.c(gfc_extend_expr). */
1600 unsigned int user_operator
: 1;
1602 /* Used to quickly find a given constructor by its offset. */
1603 splay_tree con_by_offset
;
1605 /* If an expression comes from a Hollerith constant or compile-time
1606 evaluation of a transfer statement, it may have a prescribed target-
1607 memory representation, and these cannot always be backformed from
1638 gfc_intrinsic_op op
;
1640 struct gfc_expr
*op1
, *op2
;
1646 gfc_actual_arglist
*actual
;
1647 const char *name
; /* Points to the ultimate name of the function */
1648 gfc_intrinsic_sym
*isym
;
1655 gfc_actual_arglist
* actual
;
1656 gfc_typebound_proc
* tbp
;
1668 struct gfc_constructor
*constructor
;
1676 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1678 /* Structures for information associated with different kinds of
1679 numbers. The first set of integer parameters define all there is
1680 to know about a particular kind. The rest of the elements are
1681 computed from the first elements. */
1685 /* Values really representable by the target. */
1686 mpz_t huge
, pedantic_min_int
, min_int
;
1688 int kind
, radix
, digits
, bit_size
, range
;
1690 /* True if the C type of the given name maps to this precision.
1691 Note that more than one bit can be set. */
1692 unsigned int c_char
: 1;
1693 unsigned int c_short
: 1;
1694 unsigned int c_int
: 1;
1695 unsigned int c_long
: 1;
1696 unsigned int c_long_long
: 1;
1700 extern gfc_integer_info gfc_integer_kinds
[];
1707 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1708 unsigned int c_bool
: 1;
1712 extern gfc_logical_info gfc_logical_kinds
[];
1717 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1718 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1719 int range
, precision
;
1721 /* The precision of the type as reported by GET_MODE_PRECISION. */
1724 /* True if the C type of the given name maps to this precision.
1725 Note that more than one bit can be set. */
1726 unsigned int c_float
: 1;
1727 unsigned int c_double
: 1;
1728 unsigned int c_long_double
: 1;
1732 extern gfc_real_info gfc_real_kinds
[];
1741 extern gfc_character_info gfc_character_kinds
[];
1744 /* Equivalence structures. Equivalent lvalues are linked along the
1745 *eq pointer, equivalence sets are strung along the *next node. */
1746 typedef struct gfc_equiv
1748 struct gfc_equiv
*next
, *eq
;
1755 #define gfc_get_equiv() XCNEW (gfc_equiv)
1757 /* Holds a single equivalence member after processing. */
1758 typedef struct gfc_equiv_info
1761 HOST_WIDE_INT offset
;
1762 HOST_WIDE_INT length
;
1763 struct gfc_equiv_info
*next
;
1766 /* Holds equivalence groups, after they have been processed. */
1767 typedef struct gfc_equiv_list
1769 gfc_equiv_info
*equiv
;
1770 struct gfc_equiv_list
*next
;
1773 /* gfc_case stores the selector list of a case statement. The *low
1774 and *high pointers can point to the same expression in the case of
1775 a single value. If *high is NULL, the selection is from *low
1776 upwards, if *low is NULL the selection is *high downwards.
1778 This structure has separate fields to allow single and double linked
1779 lists of CASEs at the same time. The singe linked list along the NEXT
1780 field is a list of cases for a single CASE label. The double linked
1781 list along the LEFT/RIGHT fields is used to detect overlap and to
1782 build a table of the cases for SELECT constructs with a CHARACTER
1785 typedef struct gfc_case
1787 /* Where we saw this case. */
1791 /* Case range values. If (low == high), it's a single value. If one of
1792 the labels is NULL, it's an unbounded case. If both are NULL, this
1793 represents the default case. */
1794 gfc_expr
*low
, *high
;
1796 /* Next case label in the list of cases for a single CASE label. */
1797 struct gfc_case
*next
;
1799 /* Used for detecting overlap, and for code generation. */
1800 struct gfc_case
*left
, *right
;
1802 /* True if this case label can never be matched. */
1807 #define gfc_get_case() XCNEW (gfc_case)
1812 gfc_expr
*var
, *start
, *end
, *step
;
1816 #define gfc_get_iterator() XCNEW (gfc_iterator)
1819 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1821 typedef struct gfc_alloc
1824 struct gfc_alloc
*next
;
1828 #define gfc_get_alloc() XCNEW (gfc_alloc)
1833 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1834 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1835 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1843 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1851 gfc_expr
*unit
, *iostat
, *iomsg
;
1859 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1860 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1861 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1862 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
1863 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
;
1873 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
1874 gfc_st_label
*err
, *end
, *eor
;
1881 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
1882 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
1883 *sign
, *extra_comma
;
1885 gfc_symbol
*namelist
;
1886 /* A format_label of `format_asterisk' indicates the "*" format */
1887 gfc_st_label
*format_label
;
1888 gfc_st_label
*err
, *end
, *eor
;
1890 locus eor_where
, end_where
, err_where
;
1895 typedef struct gfc_forall_iterator
1897 gfc_expr
*var
, *start
, *end
, *stride
;
1898 struct gfc_forall_iterator
*next
;
1900 gfc_forall_iterator
;
1903 /* Executable statements that fill gfc_code structures. */
1906 EXEC_NOP
= 1, EXEC_END_BLOCK
, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
,
1907 EXEC_POINTER_ASSIGN
,
1908 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
1909 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
1910 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
,
1911 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
, EXEC_CALL_PPC
,
1912 EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
1913 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
1914 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1915 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
1916 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
1917 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
1918 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
1919 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
1920 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
1921 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
1925 typedef struct gfc_code
1929 struct gfc_code
*block
, *next
;
1932 gfc_st_label
*here
, *label1
, *label2
, *label3
;
1933 gfc_symtree
*symtree
;
1934 gfc_expr
*expr1
, *expr2
;
1935 /* A name isn't sufficient to identify a subroutine, we need the actual
1936 symbol for the interface definition.
1937 const char *sub_name; */
1938 gfc_symbol
*resolved_sym
;
1939 gfc_intrinsic_sym
*resolved_isym
;
1943 gfc_actual_arglist
*actual
;
1944 gfc_case
*case_list
;
1945 gfc_iterator
*iterator
;
1946 gfc_alloc
*alloc_list
;
1949 gfc_filepos
*filepos
;
1950 gfc_inquire
*inquire
;
1953 gfc_forall_iterator
*forall_iterator
;
1954 struct gfc_code
*whichloop
;
1956 gfc_entry_list
*entry
;
1957 gfc_omp_clauses
*omp_clauses
;
1958 const char *omp_name
;
1959 gfc_namelist
*omp_namelist
;
1962 ext
; /* Points to additional structures required by statement */
1964 /* Backend_decl is used for cycle and break labels in do loops, and
1965 probably for other constructs as well, once we translate them. */
1971 /* Storage for DATA statements. */
1972 typedef struct gfc_data_variable
1976 struct gfc_data_variable
*list
, *next
;
1981 typedef struct gfc_data_value
1985 struct gfc_data_value
*next
;
1990 typedef struct gfc_data
1992 gfc_data_variable
*var
;
1993 gfc_data_value
*value
;
1996 struct gfc_data
*next
;
2001 /* Structure for holding compile options */
2005 gfc_source_form source_form
;
2006 /* Maximum line lengths in fixed- and free-form source, respectively.
2007 When fixed_line_length or free_line_length are 0, the whole line is used,
2008 regardless of length.
2010 If the user requests a fixed_line_length <7 then gfc_init_options()
2011 emits a fatal error. */
2012 int fixed_line_length
;
2013 int free_line_length
;
2014 /* Maximum number of continuation lines in fixed- and free-form source,
2016 int max_continue_fixed
;
2017 int max_continue_free
;
2018 int max_identifier_length
;
2019 int dump_parse_tree
;
2023 int warn_conversion
;
2024 int warn_implicit_interface
;
2025 int warn_line_truncation
;
2026 int warn_surprising
;
2029 int warn_intrinsic_shadow
;
2030 int warn_intrinsics_std
;
2031 int warn_character_truncation
;
2032 int warn_array_temp
;
2033 int warn_align_commons
;
2036 int flag_all_intrinsics
;
2037 int flag_default_double
;
2038 int flag_default_integer
;
2039 int flag_default_real
;
2041 int flag_underscoring
;
2042 int flag_second_underscore
;
2043 int flag_implicit_none
;
2044 int flag_max_stack_var_size
;
2045 int flag_max_array_constructor
;
2046 int flag_range_check
;
2047 int flag_pack_derived
;
2048 int flag_repack_arrays
;
2049 int flag_preprocessed
;
2054 int flag_allow_leading_underscore
;
2056 int flag_external_blas
;
2057 int blas_matmul_limit
;
2058 int flag_cray_pointer
;
2062 int flag_module_private
;
2064 int flag_init_local_zero
;
2065 int flag_init_integer
;
2066 int flag_init_integer_value
;
2068 int flag_init_logical
;
2069 int flag_init_character
;
2070 char flag_init_character_value
;
2071 int flag_align_commons
;
2072 int flag_whole_file
;
2081 int max_subrecord_length
;
2085 extern gfc_option_t gfc_option
;
2087 /* Constructor nodes for array and structure constructors. */
2088 typedef struct gfc_constructor
2091 gfc_iterator
*iterator
;
2093 struct gfc_constructor
*next
;
2096 mpz_t offset
; /* Record the offset of array element which appears in
2097 data statement like "data a(5)/4/". */
2098 gfc_component
*component
; /* Record the component being initialized. */
2101 mpz_t repeat
; /* Record the repeat number of initial values in data
2102 statement like "data a/5*10/". */
2107 typedef struct iterator_stack
2109 gfc_symtree
*variable
;
2111 struct iterator_stack
*prev
;
2114 extern iterator_stack
*iter_stack
;
2117 /* Node in the linked list used for storing finalizer procedures. */
2119 typedef struct gfc_finalizer
2121 struct gfc_finalizer
* next
;
2122 locus where
; /* Where the FINAL declaration occurred. */
2124 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2125 symtree and later need only that. This way, we can access and call the
2126 finalizers from every context as they should be "always accessible". I
2127 don't make this a union because we need the information whether proc_sym is
2128 still referenced or not for dereferencing it on deleting a gfc_finalizer
2130 gfc_symbol
* proc_sym
;
2131 gfc_symtree
* proc_tree
;
2134 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2137 /************************ Function prototypes *************************/
2140 bool gfc_in_match_data (void);
2143 void gfc_scanner_done_1 (void);
2144 void gfc_scanner_init_1 (void);
2146 void gfc_add_include_path (const char *, bool, bool);
2147 void gfc_add_intrinsic_modules_path (const char *);
2148 void gfc_release_include_path (void);
2149 FILE *gfc_open_included_file (const char *, bool, bool);
2150 FILE *gfc_open_intrinsic_module (const char *);
2152 int gfc_at_end (void);
2153 int gfc_at_eof (void);
2154 int gfc_at_bol (void);
2155 int gfc_at_eol (void);
2156 void gfc_advance_line (void);
2157 int gfc_check_include (void);
2158 int gfc_define_undef_line (void);
2160 int gfc_wide_is_printable (gfc_char_t
);
2161 int gfc_wide_is_digit (gfc_char_t
);
2162 int gfc_wide_fits_in_byte (gfc_char_t
);
2163 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2164 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2165 size_t gfc_wide_strlen (const gfc_char_t
*);
2166 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2167 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2168 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2169 gfc_char_t
*gfc_char_to_widechar (const char *);
2171 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2173 void gfc_skip_comments (void);
2174 gfc_char_t
gfc_next_char_literal (int);
2175 gfc_char_t
gfc_next_char (void);
2176 char gfc_next_ascii_char (void);
2177 gfc_char_t
gfc_peek_char (void);
2178 char gfc_peek_ascii_char (void);
2179 void gfc_error_recovery (void);
2180 void gfc_gobble_whitespace (void);
2181 gfc_try
gfc_new_file (void);
2182 const char * gfc_read_orig_filename (const char *, const char **);
2184 extern gfc_source_form gfc_current_form
;
2185 extern const char *gfc_source_file
;
2186 extern locus gfc_current_locus
;
2188 void gfc_start_source_files (void);
2189 void gfc_end_source_files (void);
2192 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
2193 void gfc_free (void *);
2194 int gfc_terminal_width (void);
2195 void gfc_clear_ts (gfc_typespec
*);
2196 FILE *gfc_open_file (const char *);
2197 const char *gfc_basic_typename (bt
);
2198 const char *gfc_typename (gfc_typespec
*);
2199 const char *gfc_op2string (gfc_intrinsic_op
);
2200 const char *gfc_code2string (const mstring
*, int);
2201 int gfc_string2code (const mstring
*, const char *);
2202 const char *gfc_intent_string (sym_intent
);
2204 void gfc_init_1 (void);
2205 void gfc_init_2 (void);
2206 void gfc_done_1 (void);
2207 void gfc_done_2 (void);
2209 int get_c_kind (const char *, CInteropKind_t
*);
2212 unsigned int gfc_init_options (unsigned int, const char **);
2213 int gfc_handle_option (size_t, const char *, int);
2214 bool gfc_post_options (const char **);
2217 void gfc_maybe_initialize_eh (void);
2220 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2221 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2225 typedef struct gfc_error_buf
2228 size_t allocated
, index
;
2232 void gfc_error_init_1 (void);
2233 void gfc_buffer_error (int);
2235 const char *gfc_print_wide_char (gfc_char_t
);
2237 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2238 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2239 void gfc_clear_warning (void);
2240 void gfc_warning_check (void);
2242 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2243 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2244 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2245 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2246 void gfc_clear_error (void);
2247 int gfc_error_check (void);
2248 int gfc_error_flag_test (void);
2250 notification
gfc_notification_std (int);
2251 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2253 /* A general purpose syntax error. */
2254 #define gfc_syntax_error(ST) \
2255 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2257 void gfc_push_error (gfc_error_buf
*);
2258 void gfc_pop_error (gfc_error_buf
*);
2259 void gfc_free_error (gfc_error_buf
*);
2261 void gfc_get_errors (int *, int *);
2264 void gfc_arith_init_1 (void);
2265 void gfc_arith_done_1 (void);
2266 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2267 bool gfc_check_character_range (gfc_char_t
, int);
2270 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2271 int gfc_validate_kind (bt
, int, bool);
2272 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2273 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2274 extern int gfc_index_integer_kind
;
2275 extern int gfc_default_integer_kind
;
2276 extern int gfc_max_integer_kind
;
2277 extern int gfc_default_real_kind
;
2278 extern int gfc_default_double_kind
;
2279 extern int gfc_default_character_kind
;
2280 extern int gfc_default_logical_kind
;
2281 extern int gfc_default_complex_kind
;
2282 extern int gfc_c_int_kind
;
2283 extern int gfc_intio_kind
;
2284 extern int gfc_charlen_int_kind
;
2285 extern int gfc_numeric_storage_size
;
2286 extern int gfc_character_storage_size
;
2289 void gfc_clear_new_implicit (void);
2290 gfc_try
gfc_add_new_implicit_range (int, int);
2291 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2292 void gfc_set_implicit_none (void);
2293 void gfc_check_function_type (gfc_namespace
*);
2294 bool gfc_is_intrinsic_typename (const char *);
2296 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2297 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2299 void gfc_set_sym_referenced (gfc_symbol
*);
2301 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2302 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2303 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2304 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2305 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2306 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2307 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2308 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2309 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2310 match
gfc_mod_pointee_as (gfc_array_spec
*);
2311 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2312 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2313 gfc_try
gfc_add_save (symbol_attribute
*, const char *, locus
*);
2314 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2315 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2316 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2317 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2318 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2319 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2320 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2321 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2322 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2323 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2324 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2325 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2326 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2327 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2328 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2329 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2330 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2331 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2332 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2334 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2335 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2336 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2337 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2338 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2339 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2340 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2341 const char *, locus
*);
2342 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2343 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2344 gfc_formal_arglist
*, locus
*);
2345 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2347 void gfc_clear_attr (symbol_attribute
*);
2348 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2349 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2351 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2352 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2353 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2354 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2356 gfc_st_label
*gfc_get_st_label (int);
2357 void gfc_free_st_label (gfc_st_label
*);
2358 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2359 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2361 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2363 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2364 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2365 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2366 void gfc_delete_symtree (gfc_symtree
**, const char *);
2367 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2368 gfc_user_op
*gfc_get_uop (const char *);
2369 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2370 void gfc_free_symbol (gfc_symbol
*);
2371 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2372 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2373 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2374 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2375 gfc_try
verify_c_interop (gfc_typespec
*);
2376 gfc_try
verify_c_interop_param (gfc_symbol
*);
2377 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2378 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2379 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2380 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2381 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, char *, int);
2382 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**);
2383 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2384 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2386 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
2388 void gfc_undo_symbols (void);
2389 void gfc_commit_symbols (void);
2390 void gfc_commit_symbol (gfc_symbol
*);
2391 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2392 void gfc_free_namespace (gfc_namespace
*);
2394 void gfc_symbol_init_2 (void);
2395 void gfc_symbol_done_2 (void);
2397 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2398 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2399 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2400 void gfc_save_all (gfc_namespace
*);
2402 void gfc_symbol_state (void);
2403 void gfc_free_dt_list (void);
2406 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2407 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2409 gfc_typebound_proc
* gfc_get_typebound_proc (void);
2410 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2411 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*, const char*, bool);
2412 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2414 void gfc_copy_formal_args (gfc_symbol
*, gfc_symbol
*);
2415 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2416 void gfc_copy_formal_args_ppc (gfc_component
*, gfc_symbol
*);
2418 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2420 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2423 extern int gfc_init_expr
;
2425 /* Given a symbol that we have decided is intrinsic, mark it as such
2426 by placing it into a special module that is otherwise impossible to
2429 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2431 void gfc_intrinsic_init_1 (void);
2432 void gfc_intrinsic_done_1 (void);
2434 char gfc_type_letter (bt
);
2435 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2436 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2437 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2438 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2439 int gfc_generic_intrinsic (const char *);
2440 int gfc_specific_intrinsic (const char *);
2441 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2442 int gfc_intrinsic_actual_ok (const char *, const bool);
2443 gfc_intrinsic_sym
*gfc_find_function (const char *);
2444 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2446 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2447 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2449 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2450 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2453 /* match.c -- FIXME */
2454 void gfc_free_iterator (gfc_iterator
*, int);
2455 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2456 void gfc_free_alloc_list (gfc_alloc
*);
2457 void gfc_free_namelist (gfc_namelist
*);
2458 void gfc_free_equiv (gfc_equiv
*);
2459 void gfc_free_data (gfc_data
*);
2460 void gfc_free_case_list (gfc_case
*);
2462 /* matchexp.c -- FIXME too? */
2463 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2466 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2467 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2468 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2469 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2470 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2473 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2474 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2475 const char *gfc_extract_int (gfc_expr
*, int *);
2476 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2477 bool is_subref_array (gfc_expr
*);
2479 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2480 void gfc_free_ref_list (gfc_ref
*);
2481 void gfc_type_convert_binary (gfc_expr
*);
2482 int gfc_is_constant_expr (gfc_expr
*);
2483 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2484 int gfc_has_vector_index (gfc_expr
*);
2486 gfc_expr
*gfc_get_expr (void);
2487 void gfc_free_expr (gfc_expr
*);
2488 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2489 gfc_expr
*gfc_int_expr (int);
2490 gfc_expr
*gfc_logical_expr (int, locus
*);
2491 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2492 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2493 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2494 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2496 gfc_try
gfc_specification_expr (gfc_expr
*);
2498 int gfc_numeric_ts (gfc_typespec
*);
2499 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2501 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2502 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2503 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2504 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2506 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2507 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2509 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2510 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2512 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2513 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2514 void gfc_expr_replace_symbols (gfc_expr
*, gfc_symbol
*);
2516 bool is_proc_ptr_comp (gfc_expr
*, gfc_component
**);
2519 extern gfc_code new_st
;
2521 void gfc_clear_new_st (void);
2522 gfc_code
*gfc_get_code (void);
2523 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2524 void gfc_free_statement (gfc_code
*);
2525 void gfc_free_statements (gfc_code
*);
2528 gfc_try
gfc_resolve_expr (gfc_expr
*);
2529 void gfc_resolve (gfc_namespace
*);
2530 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2531 int gfc_impure_variable (gfc_symbol
*);
2532 int gfc_pure (gfc_symbol
*);
2533 int gfc_elemental (gfc_symbol
*);
2534 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool);
2535 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2536 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2537 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2538 int gfc_is_formal_arg (void);
2539 void gfc_resolve_substring_charlen (gfc_expr
*);
2540 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2544 void gfc_free_array_spec (gfc_array_spec
*);
2545 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2547 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2548 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2549 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2551 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2553 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
2554 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
2555 void gfc_free_constructor (gfc_constructor
*);
2556 void gfc_simplify_iterator_var (gfc_expr
*);
2557 gfc_try
gfc_expand_constructor (gfc_expr
*);
2558 int gfc_constant_ac (gfc_expr
*);
2559 int gfc_expanded_ac (gfc_expr
*);
2560 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2561 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2562 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2563 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2564 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2565 gfc_constructor
*gfc_copy_constructor (gfc_constructor
*);
2566 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
2567 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2568 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2569 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2570 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2571 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
2572 gfc_constructor
*gfc_get_constructor (void);
2573 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2574 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2575 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2576 int gfc_is_compile_time_shape (gfc_array_spec
*);
2578 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*);
2581 /* interface.c -- FIXME: some of these should be in symbol.c */
2582 void gfc_free_interface (gfc_interface
*);
2583 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2584 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2585 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, int, int, char *, int);
2586 void gfc_check_interfaces (gfc_namespace
*);
2587 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2588 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2589 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2590 gfc_actual_arglist
**);
2591 gfc_try
gfc_extend_expr (gfc_expr
*);
2592 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2593 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2594 gfc_try
gfc_add_interface (gfc_symbol
*);
2595 gfc_interface
*gfc_current_interface_head (void);
2596 void gfc_set_current_interface_head (gfc_interface
*);
2597 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2598 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2601 extern gfc_st_label format_asterisk
;
2603 void gfc_free_open (gfc_open
*);
2604 gfc_try
gfc_resolve_open (gfc_open
*);
2605 void gfc_free_close (gfc_close
*);
2606 gfc_try
gfc_resolve_close (gfc_close
*);
2607 void gfc_free_filepos (gfc_filepos
*);
2608 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2609 void gfc_free_inquire (gfc_inquire
*);
2610 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2611 void gfc_free_dt (gfc_dt
*);
2612 gfc_try
gfc_resolve_dt (gfc_dt
*);
2613 void gfc_free_wait (gfc_wait
*);
2614 gfc_try
gfc_resolve_wait (gfc_wait
*);
2617 void gfc_module_init_2 (void);
2618 void gfc_module_done_2 (void);
2619 void gfc_dump_module (const char *, int);
2620 bool gfc_check_access (gfc_access
, gfc_access
);
2621 void gfc_free_use_stmts (gfc_use_list
*);
2624 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2625 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2626 match
gfc_match_rvalue (gfc_expr
**);
2627 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2628 int gfc_check_digit (char, int);
2631 void gfc_generate_code (gfc_namespace
*);
2632 void gfc_generate_module_code (gfc_namespace
*);
2635 typedef int (*compare_fn
) (void *, void *);
2636 void gfc_insert_bbt (void *, void *, compare_fn
);
2637 void gfc_delete_bbt (void *, void *, compare_fn
);
2639 /* dump-parse-tree.c */
2640 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2643 gfc_try
gfc_parse_file (void);
2644 void gfc_global_used (gfc_gsymbol
*, locus
*);
2647 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2648 int gfc_is_data_pointer (gfc_expr
*);
2651 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2653 #endif /* GCC_GFORTRAN_H */