1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
4 Free Software Foundation, Inc.
5 Contributed by Andy Vaught
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 3, or (at your option) any later
14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
23 #ifndef GCC_GFORTRAN_H
24 #define GCC_GFORTRAN_H
26 /* It's probably insane to have this large of a header file, but it
27 seemed like everything had to be recompiled anyway when a change
28 was made to a header file, and there were ordering issues with
29 multiple header files. Besides, Microsoft's winnt.h was 250k last
30 time I looked, so by comparison this is perfectly reasonable. */
32 /* Declarations common to the front-end and library are put in
33 libgfortran/libgfortran_frontend.h */
34 #include "libgfortran.h"
39 #include "coretypes.h"
41 #include "splay-tree.h"
42 /* The following ifdefs are recommended by the autoconf documentation
43 for any code using alloca. */
45 /* AIX requires this to be the first thing in the file. */
47 #else /* not __GNUC__ */
50 #else /* do not HAVE_ALLOCA_H */
54 #ifndef alloca /* predefined by HP cc +Olibcalls */
56 #endif /* not predefined */
58 #endif /* do not HAVE_ALLOCA_H */
59 #endif /* not __GNUC__ */
61 /* Major control parameters. */
63 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
64 #define GFC_MAX_BINDING_LABEL_LEN 126 /* (2 * GFC_MAX_SYMBOL_LEN) */
65 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
66 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
68 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
71 #define free(x) Use_gfc_free_instead_of_free()
72 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
75 #define NULL ((void *) 0)
79 #define stringize(x) expand_macro(x)
80 #define expand_macro(x) # x
82 /* For the runtime library, a standard prefix is a requirement to
83 avoid cluttering the namespace with things nobody asked for. It's
84 ugly to look at and a pain to type when you add the prefix by hand,
85 so we hide it behind a macro. */
86 #define PREFIX(x) "_gfortran_" x
89 #define BLANK_COMMON_NAME "__BLNK__"
91 /* Macro to initialize an mstring structure. */
92 #define minit(s, t) { s, NULL, t }
94 /* Structure for storing strings to be matched by gfc_match_string. */
105 /*************************** Enums *****************************/
107 /* Used when matching and resolving data I/O transfer statements. */
110 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
113 /* The author remains confused to this day about the convention of
114 returning '0' for 'SUCCESS'... or was it the other way around? The
115 following enum makes things much more readable. We also start
116 values off at one instead of zero. */
119 { SUCCESS
= 1, FAILURE
}
122 /* This is returned by gfc_notification_std to know if, given the flags
123 that were given (-std=, -pedantic) we should issue an error, a warning
127 { SILENT
, WARNING
, ERROR
}
130 /* Matchers return one of these three values. The difference between
131 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
132 successful, but that something non-syntactic is wrong and an error
133 has already been issued. */
136 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
140 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
143 /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
144 can take any arg with the pointer attribute as a param. */
146 { BT_UNKNOWN
= 1, BT_INTEGER
, BT_REAL
, BT_COMPLEX
, BT_LOGICAL
, BT_CHARACTER
,
147 BT_DERIVED
, BT_CLASS
, BT_PROCEDURE
, BT_HOLLERITH
, BT_VOID
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
,
210 ST_BLOCK
, ST_BLOCK_DATA
,
211 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
212 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
213 ST_ELSEWHERE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
, ST_ENDDO
, ST_IMPLIED_ENDDO
,
214 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
215 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
216 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
217 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
218 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
219 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
220 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
221 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
222 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
223 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
224 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
225 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
226 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_CRITICAL
,
227 ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
, ST_OMP_END_PARALLEL
,
228 ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
229 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
230 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
231 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
232 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
233 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
234 ST_OMP_TASKWAIT
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
235 ST_GET_FCN_CHARACTERISTICS
, ST_NONE
240 /* Types of interfaces that we can have. Assignment interfaces are
241 considered to be intrinsic operators. */
244 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
245 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
249 /* Symbol flavors: these are all mutually exclusive.
250 10 elements = 4 bits. */
251 typedef enum sym_flavor
253 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
254 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
259 /* Procedure types. 7 elements = 3 bits. */
260 typedef enum procedure_type
261 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
262 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
267 typedef enum sym_intent
268 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
273 typedef enum gfc_access
274 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
278 /* Flags to keep track of where an interface came from.
279 3 elements = 2 bits. */
281 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
282 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
283 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
284 with explicit interface. */
288 /* Whether a SAVE attribute was set explicitly or implicitly. */
289 typedef enum save_state
290 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
294 /* Strings for all symbol attributes. We use these for dumping the
295 parse tree, in error messages, and also when reading and writing
296 modules. In symbol.c. */
297 extern const mstring flavors
[];
298 extern const mstring procedures
[];
299 extern const mstring intents
[];
300 extern const mstring access_types
[];
301 extern const mstring ifsrc_types
[];
302 extern const mstring save_status
[];
304 /* Enumeration of all the generic intrinsic functions. Used by the
305 backend for identification of a function. */
309 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
310 the backend (e.g. KIND). */
341 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
351 GFC_ISYM_DATE_AND_TIME
,
355 GFC_ISYM_DOT_PRODUCT
,
362 GFC_ISYM_ERFC_SCALED
,
367 GFC_ISYM_EXTENDS_TYPE_OF
,
384 GFC_ISYM_GET_COMMAND
,
385 GFC_ISYM_GET_COMMAND_ARGUMENT
,
388 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
407 GFC_ISYM_IMAGE_INDEX
,
415 GFC_ISYM_IS_IOSTAT_END
,
416 GFC_ISYM_IS_IOSTAT_EOR
,
448 GFC_ISYM_MAXEXPONENT
,
455 GFC_ISYM_MINEXPONENT
,
476 GFC_ISYM_RANDOM_NUMBER
,
477 GFC_ISYM_RANDOM_SEED
,
485 GFC_ISYM_SAME_TYPE_AS
,
491 GFC_ISYM_SET_EXPONENT
,
511 GFC_ISYM_SYSTEM_CLOCK
,
534 typedef enum gfc_isym_id gfc_isym_id
;
539 GFC_INIT_REAL_OFF
= 0,
544 GFC_INIT_REAL_NEG_INF
550 GFC_INIT_LOGICAL_OFF
= 0,
551 GFC_INIT_LOGICAL_FALSE
,
552 GFC_INIT_LOGICAL_TRUE
558 GFC_INIT_CHARACTER_OFF
= 0,
559 GFC_INIT_CHARACTER_ON
561 init_local_character
;
565 GFC_INIT_INTEGER_OFF
= 0,
572 GFC_FCOARRAY_NONE
= 0,
577 /************************* Structures *****************************/
579 /* Used for keeping things in balanced binary trees. */
580 #define BBT_HEADER(self) int priority; struct self *left, *right
582 #define NAMED_INTCST(a,b,c,d) a,
585 ISOFORTRANENV_INVALID
= -1,
586 #include "iso-fortran-env.def"
587 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
589 iso_fortran_env_symbol
;
592 #define NAMED_INTCST(a,b,c,d) a,
593 #define NAMED_REALCST(a,b,c) a,
594 #define NAMED_CMPXCST(a,b,c) a,
595 #define NAMED_LOGCST(a,b,c) a,
596 #define NAMED_CHARKNDCST(a,b,c) a,
597 #define NAMED_CHARCST(a,b,c) a,
598 #define DERIVED_TYPE(a,b,c) a,
599 #define PROCEDURE(a,b) a,
602 ISOCBINDING_INVALID
= -1,
603 #include "iso-c-binding.def"
605 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
607 iso_c_binding_symbol
;
612 #undef NAMED_CHARKNDCST
619 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
625 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
626 int value
; /* Used for both integer and character values. */
631 /* Array of structs, where the structs represent the C interop kinds.
632 The list will be implemented based on a hash of the kind name since
633 these could be accessed multiple times.
634 Declared in trans-types.c as a global, since it's in that file
635 that the list is initialized. */
636 extern CInteropKind_t c_interop_kinds_table
[];
639 /* Structure and list of supported extension attributes. */
642 EXT_ATTR_DLLIMPORT
= 0,
647 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
655 const char *middle_end_name
;
659 extern const ext_attr_t ext_attr_list
[];
661 /* Symbol attribute structure. */
664 /* Variable attributes. */
665 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
666 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
667 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
668 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1;
670 /* For CLASS containers, the pointer attribute is sometimes set internally
671 even though it was not directly specified. In this case, keep the
672 "real" (original) value here. */
673 unsigned class_pointer
:1;
675 ENUM_BITFIELD (save_state
) save
:2;
677 unsigned data
:1, /* Symbol is named in a DATA statement. */
678 is_protected
:1, /* Symbol has been marked as protected. */
679 use_assoc
:1, /* Symbol has been use-associated. */
680 use_only
:1, /* Symbol has been use-associated, with ONLY. */
681 use_rename
:1, /* Symbol has been use-associated and renamed. */
682 imported
:1; /* Symbol has been associated by IMPORT. */
684 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
685 unsigned function
:1, subroutine
:1, procedure
:1;
686 unsigned generic
:1, generic_copy
:1;
687 unsigned implicit_type
:1; /* Type defined via implicit rules. */
688 unsigned untyped
:1; /* No implicit type could be found. */
690 unsigned is_bind_c
:1; /* say if is bound to C. */
691 unsigned extension
:8; /* extension level of a derived type. */
692 unsigned is_class
:1; /* is a CLASS container. */
693 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
694 unsigned vtab
:1; /* is a derived type vtab. */
696 /* These flags are both in the typespec and attribute. The attribute
697 list is what gets read from/written to a module file. The typespec
698 is created from a decl being processed. */
699 unsigned is_c_interop
:1; /* It's c interoperable. */
700 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
702 /* Function/subroutine attributes */
703 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
704 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
706 /* This is set if the subroutine doesn't return. Currently, this
707 is only possible for intrinsic subroutines. */
710 /* Set if this procedure is an alternate entry point. These procedures
711 don't have any code associated, and the backend will turn them into
712 thunks to the master function. */
715 /* Set if this is the master function for a procedure with multiple
717 unsigned entry_master
:1;
719 /* Set if this is the master function for a function with multiple
720 entry points where characteristics of the entry points differ. */
721 unsigned mixed_entry_master
:1;
723 /* Set if a function must always be referenced by an explicit interface. */
724 unsigned always_explicit
:1;
726 /* Set if the symbol has been referenced in an expression. No further
727 modification of type or type parameters is permitted. */
728 unsigned referenced
:1;
730 /* Set if this is the symbol for the main program. */
731 unsigned is_main_program
:1;
733 /* Mutually exclusive multibit attributes. */
734 ENUM_BITFIELD (gfc_access
) access
:2;
735 ENUM_BITFIELD (sym_intent
) intent
:2;
736 ENUM_BITFIELD (sym_flavor
) flavor
:4;
737 ENUM_BITFIELD (ifsrc
) if_source
:2;
739 ENUM_BITFIELD (procedure_type
) proc
:3;
741 /* Special attributes for Cray pointers, pointees. */
742 unsigned cray_pointer
:1, cray_pointee
:1;
744 /* The symbol is a derived type with allocatable components, pointer
745 components or private components, procedure pointer components,
746 possibly nested. zero_comp is true if the derived type has no
748 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
749 private_comp
:1, zero_comp
:1, coarray_comp
:1;
751 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
752 unsigned ext_attr
:EXT_ATTR_NUM
;
754 /* The namespace where the attribute has been set. */
755 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
760 /* We need to store source lines as sequences of multibyte source
761 characters. We define here a type wide enough to hold any multibyte
762 source character, just like libcpp does. A 32-bit type is enough. */
764 #if HOST_BITS_PER_INT >= 32
765 typedef unsigned int gfc_char_t
;
766 #elif HOST_BITS_PER_LONG >= 32
767 typedef unsigned long gfc_char_t
;
768 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
769 typedef unsigned long long gfc_char_t
;
771 # error "Cannot find an integer type with at least 32 bits"
775 /* The following three structures are used to identify a location in
778 gfc_file is used to maintain a tree of the source files and how
779 they include each other
781 gfc_linebuf holds a single line of source code and information
782 which file it resides in
784 locus point to the sourceline and the character in the source
788 typedef struct gfc_file
790 struct gfc_file
*next
, *up
;
791 int inclusion_line
, line
;
795 typedef struct gfc_linebuf
797 source_location location
;
798 struct gfc_file
*file
;
799 struct gfc_linebuf
*next
;
807 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
809 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
817 /* In order for the "gfc" format checking to work correctly, you must
818 have declared a typedef locus first. */
819 #if GCC_VERSION >= 4001
820 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
822 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
826 /* Suppress error messages or re-enable them. */
828 void gfc_push_suppress_errors (void);
829 void gfc_pop_suppress_errors (void);
832 /* Character length structures hold the expression that gives the
833 length of a character variable. We avoid putting these into
834 gfc_typespec because doing so prevents us from doing structure
835 copies and forces us to deallocate any typespecs we create, as well
836 as structures that contain typespecs. They also can have multiple
837 character typespecs pointing to them.
839 These structures form a singly linked list within the current
840 namespace and are deallocated with the namespace. It is possible to
841 end up with gfc_charlen structures that have nothing pointing to them. */
843 typedef struct gfc_charlen
845 struct gfc_expr
*length
;
846 struct gfc_charlen
*next
;
847 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
849 tree passed_length
; /* Length argument explicitelly passed. */
855 #define gfc_get_charlen() XCNEW (gfc_charlen)
857 /* Type specification structure. */
865 struct gfc_symbol
*derived
; /* For derived types only. */
866 gfc_charlen
*cl
; /* For character types only. */
870 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
877 /* Array specification. */
880 int rank
; /* A rank of zero means that a variable is a scalar. */
882 array_type type
, cotype
;
883 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
885 /* These two fields are used with the Cray Pointer extension. */
886 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
887 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
888 AS_EXPLICIT, but we want to remember that we
894 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
897 /* Components of derived types. */
898 typedef struct gfc_component
903 symbol_attribute attr
;
908 struct gfc_expr
*initializer
;
909 struct gfc_component
*next
;
911 /* Needed for procedure pointer components. */
912 struct gfc_formal_arglist
*formal
;
913 struct gfc_namespace
*formal_ns
;
914 struct gfc_typebound_proc
*tb
;
918 #define gfc_get_component() XCNEW (gfc_component)
920 /* Formal argument lists are lists of symbols. */
921 typedef struct gfc_formal_arglist
923 /* Symbol representing the argument at this position in the arglist. */
924 struct gfc_symbol
*sym
;
925 /* Points to the next formal argument. */
926 struct gfc_formal_arglist
*next
;
930 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
933 /* The gfc_actual_arglist structure is for actual arguments. */
934 typedef struct gfc_actual_arglist
937 /* Alternate return label when the expr member is null. */
938 struct gfc_st_label
*label
;
940 /* This is set to the type of an eventual omitted optional
941 argument. This is used to determine if a hidden string length
942 argument has to be added to a function call. */
945 struct gfc_expr
*expr
;
946 struct gfc_actual_arglist
*next
;
950 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
953 /* Because a symbol can belong to multiple namelists, they must be
954 linked externally to the symbol itself. */
955 typedef struct gfc_namelist
957 struct gfc_symbol
*sym
;
958 struct gfc_namelist
*next
;
962 #define gfc_get_namelist() XCNEW (gfc_namelist)
967 OMP_LIST_FIRSTPRIVATE
,
968 OMP_LIST_LASTPRIVATE
,
969 OMP_LIST_COPYPRIVATE
,
973 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
985 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
989 /* Because a symbol can belong to multiple namelists, they must be
990 linked externally to the symbol itself. */
992 enum gfc_omp_sched_kind
1002 enum gfc_omp_default_sharing
1004 OMP_DEFAULT_UNKNOWN
,
1006 OMP_DEFAULT_PRIVATE
,
1008 OMP_DEFAULT_FIRSTPRIVATE
1011 typedef struct gfc_omp_clauses
1013 struct gfc_expr
*if_expr
;
1014 struct gfc_expr
*num_threads
;
1015 gfc_namelist
*lists
[OMP_LIST_NUM
];
1016 enum gfc_omp_sched_kind sched_kind
;
1017 struct gfc_expr
*chunk_size
;
1018 enum gfc_omp_default_sharing default_sharing
;
1020 bool nowait
, ordered
, untied
;
1024 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1027 /* The gfc_st_label structure is a BBT attached to a namespace that
1028 records the usage of statement labels within that space. */
1030 typedef struct gfc_st_label
1032 BBT_HEADER(gfc_st_label
);
1036 gfc_sl_type defined
, referenced
;
1038 struct gfc_expr
*format
;
1047 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1048 typedef struct gfc_interface
1050 struct gfc_symbol
*sym
;
1052 struct gfc_interface
*next
;
1056 #define gfc_get_interface() XCNEW (gfc_interface)
1058 /* User operator nodes. These are like stripped down symbols. */
1064 struct gfc_namespace
*ns
;
1070 /* A list of specific bindings that are associated with a generic spec. */
1071 typedef struct gfc_tbp_generic
1073 /* The parser sets specific_st, upon resolution we look for the corresponding
1074 gfc_typebound_proc and set specific for further use. */
1075 struct gfc_symtree
* specific_st
;
1076 struct gfc_typebound_proc
* specific
;
1078 struct gfc_tbp_generic
* next
;
1082 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1085 /* Data needed for type-bound procedures. */
1086 typedef struct gfc_typebound_proc
1088 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1092 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1093 gfc_tbp_generic
* generic
;
1098 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1100 /* The overridden type-bound proc (or GENERIC with this name in the
1101 parent-type) or NULL if non. */
1102 struct gfc_typebound_proc
* overridden
;
1104 /* Once resolved, we use the position of pass_arg in the formal arglist of
1105 the binding-target procedure to identify it. The first argument has
1106 number 1 here, the second 2, and so on. */
1107 unsigned pass_arg_num
;
1109 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1110 unsigned non_overridable
:1;
1111 unsigned deferred
:1;
1112 unsigned is_generic
:1;
1113 unsigned function
:1, subroutine
:1;
1114 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1120 /* Symbol nodes. These are important things. They are what the
1121 standard refers to as "entities". The possibly multiple names that
1122 refer to the same entity are accomplished by a binary tree of
1123 symtree structures that is balanced by the red-black method-- more
1124 than one symtree node can point to any given symbol. */
1126 typedef struct gfc_symbol
1128 const char *name
; /* Primary name, before renaming */
1129 const char *module
; /* Module this symbol came from */
1133 symbol_attribute attr
;
1135 /* The formal member points to the formal argument list if the
1136 symbol is a function or subroutine name. If the symbol is a
1137 generic name, the generic member points to the list of
1140 gfc_interface
*generic
;
1141 gfc_access component_access
;
1143 gfc_formal_arglist
*formal
;
1144 struct gfc_namespace
*formal_ns
;
1145 struct gfc_namespace
*f2k_derived
;
1147 struct gfc_expr
*value
; /* Parameter/Initializer value */
1149 struct gfc_symbol
*result
; /* function result symbol */
1150 gfc_component
*components
; /* Derived type components */
1152 /* Defined only for Cray pointees; points to their pointer. */
1153 struct gfc_symbol
*cp_pointer
;
1155 int entry_id
; /* Used in resolve.c for entries. */
1157 /* CLASS hashed name for declared and dynamic types in the class. */
1160 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1162 /* This is in fact a gfc_common_head but it is only used for pointer
1163 comparisons to check if symbols are in the same common block. */
1164 struct gfc_common_head
* common_head
;
1166 /* Make sure setup code for dummy arguments is generated in the correct
1170 gfc_namelist
*namelist
, *namelist_tail
;
1172 /* Change management fields. Symbols that might be modified by the
1173 current statement have the mark member nonzero and are kept in a
1174 singly linked list through the tlink field. Of these symbols,
1175 symbols with old_symbol equal to NULL are symbols created within
1176 the current statement. Otherwise, old_symbol points to a copy of
1179 struct gfc_symbol
*old_symbol
, *tlink
;
1180 unsigned mark
:1, gfc_new
:1;
1181 /* Nonzero if all equivalences associated with this symbol have been
1183 unsigned equiv_built
:1;
1184 /* Set if this variable is used as an index name in a FORALL. */
1185 unsigned forall_index
:1;
1187 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1191 /* Identity of the intrinsic module the symbol comes from, or
1192 INTMOD_NONE if it's not imported from a intrinsic module. */
1193 intmod_id from_intmod
;
1194 /* Identity of the symbol from intrinsic modules, from enums maintained
1195 separately by each intrinsic module. Used together with from_intmod,
1196 it uniquely identifies a symbol from an intrinsic module. */
1199 /* This may be repetitive, since the typespec now has a binding
1201 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1202 /* Store a reference to the common_block, if this symbol is in one. */
1203 struct gfc_common_head
*common_block
;
1208 /* This structure is used to keep track of symbols in common blocks. */
1209 typedef struct gfc_common_head
1212 char use_assoc
, saved
, threadprivate
;
1213 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1214 struct gfc_symbol
*head
;
1215 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1220 #define gfc_get_common_head() XCNEW (gfc_common_head)
1223 /* A list of all the alternate entry points for a procedure. */
1225 typedef struct gfc_entry_list
1227 /* The symbol for this entry point. */
1229 /* The zero-based id of this entry point. */
1231 /* The LABEL_EXPR marking this entry point. */
1233 /* The next item in the list. */
1234 struct gfc_entry_list
*next
;
1238 #define gfc_get_entry_list() \
1239 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1241 /* Lists of rename info for the USE statement. */
1243 typedef struct gfc_use_rename
1245 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1246 struct gfc_use_rename
*next
;
1248 gfc_intrinsic_op op
;
1253 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1255 /* A list of all USE statements in a namespace. */
1257 typedef struct gfc_use_list
1259 const char *module_name
;
1261 struct gfc_use_rename
*rename
;
1263 /* Next USE statement. */
1264 struct gfc_use_list
*next
;
1268 #define gfc_get_use_list() \
1269 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1271 /* Within a namespace, symbols are pointed to by symtree nodes that
1272 are linked together in a balanced binary tree. There can be
1273 several symtrees pointing to the same symbol node via USE
1276 typedef struct gfc_symtree
1278 BBT_HEADER (gfc_symtree
);
1283 gfc_symbol
*sym
; /* Symbol associated with this node */
1285 gfc_common_head
*common
;
1286 gfc_typebound_proc
*tb
;
1292 /* A linked list of derived types in the namespace. */
1293 typedef struct gfc_dt_list
1295 struct gfc_symbol
*derived
;
1296 struct gfc_dt_list
*next
;
1300 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1302 /* A list of all derived types. */
1303 extern gfc_dt_list
*gfc_derived_types
;
1305 /* A namespace describes the contents of procedure, module, interface block
1306 or BLOCK construct. */
1307 /* ??? Anything else use these? */
1309 typedef struct gfc_namespace
1311 /* Tree containing all the symbols in this namespace. */
1312 gfc_symtree
*sym_root
;
1313 /* Tree containing all the user-defined operators in the namespace. */
1314 gfc_symtree
*uop_root
;
1315 /* Tree containing all the common blocks. */
1316 gfc_symtree
*common_root
;
1318 /* Tree containing type-bound procedures. */
1319 gfc_symtree
*tb_sym_root
;
1320 /* Type-bound user operators. */
1321 gfc_symtree
*tb_uop_root
;
1322 /* For derived-types, store type-bound intrinsic operators here. */
1323 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1324 /* Linked list of finalizer procedures. */
1325 struct gfc_finalizer
*finalizers
;
1327 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1328 int set_flag
[GFC_LETTERS
];
1329 /* Keeps track of the implicit types associated with the letters. */
1330 gfc_typespec default_type
[GFC_LETTERS
];
1331 /* Store the positions of IMPLICIT statements. */
1332 locus implicit_loc
[GFC_LETTERS
];
1334 /* If this is a namespace of a procedure, this points to the procedure. */
1335 struct gfc_symbol
*proc_name
;
1336 /* If this is the namespace of a unit which contains executable
1337 code, this points to it. */
1338 struct gfc_code
*code
;
1340 /* Points to the equivalences set up in this namespace. */
1341 struct gfc_equiv
*equiv
;
1343 /* Points to the equivalence groups produced by trans_common. */
1344 struct gfc_equiv_list
*equiv_lists
;
1346 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1348 /* Points to the parent namespace, i.e. the namespace of a module or
1349 procedure in which the procedure belonging to this namespace is
1350 contained. The parent namespace points to this namespace either
1351 directly via CONTAINED, or indirectly via the chain built by
1353 struct gfc_namespace
*parent
;
1354 /* CONTAINED points to the first contained namespace. Sibling
1355 namespaces are chained via SIBLING. */
1356 struct gfc_namespace
*contained
, *sibling
;
1358 gfc_common_head blank_common
;
1359 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1361 gfc_st_label
*st_labels
;
1362 /* This list holds information about all the data initializers in
1364 struct gfc_data
*data
;
1366 gfc_charlen
*cl_list
, *old_cl_list
;
1368 gfc_dt_list
*derived_types
;
1370 int save_all
, seen_save
, seen_implicit_none
;
1372 /* Normally we don't need to refcount namespaces. However when we read
1373 a module containing a function with multiple entry points, this
1374 will appear as several functions with the same formal namespace. */
1377 /* A list of all alternate entry points to this procedure (or NULL). */
1378 gfc_entry_list
*entries
;
1380 /* A list of USE statements in this namespace. */
1381 gfc_use_list
*use_stmts
;
1383 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1384 unsigned is_block_data
:1;
1386 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1387 unsigned has_import_set
:1;
1389 /* Set to 1 if resolved has been called for this namespace.
1390 Holds -1 during resolution. */
1393 /* Set to 1 if code has been generated for this namespace. */
1394 unsigned translated
:1;
1396 /* Set to 1 if symbols in this namespace should be 'construct entities',
1397 i.e. for BLOCK local variables. */
1398 unsigned construct_entities
:1;
1402 extern gfc_namespace
*gfc_current_ns
;
1403 extern gfc_namespace
*gfc_global_ns_list
;
1405 /* Global symbols are symbols of global scope. Currently we only use
1406 this to detect collisions already when parsing.
1407 TODO: Extend to verify procedure calls. */
1409 enum gfc_symbol_type
1411 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1412 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1415 typedef struct gfc_gsymbol
1417 BBT_HEADER(gfc_gsymbol
);
1420 const char *sym_name
;
1421 const char *mod_name
;
1422 const char *binding_label
;
1423 enum gfc_symbol_type type
;
1431 extern gfc_gsymbol
*gfc_gsym_root
;
1433 /* Information on interfaces being built. */
1436 interface_type type
;
1440 gfc_intrinsic_op op
;
1444 extern gfc_interface_info current_interface
;
1447 /* Array reference. */
1449 enum gfc_array_ref_dimen_type
1451 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_UNKNOWN
1454 typedef struct gfc_array_ref
1457 int dimen
; /* # of components in the reference */
1459 bool in_allocate
; /* For coarray checks. */
1463 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1464 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1465 *stride
[GFC_MAX_DIMENSIONS
];
1467 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1469 struct gfc_expr
*offset
;
1473 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1476 /* Component reference nodes. A variable is stored as an expression
1477 node that points to the base symbol. After that, a singly linked
1478 list of component reference nodes gives the variable's complete
1479 resolution. The array_ref component may be present and comes
1480 before the component component. */
1483 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1486 typedef struct gfc_ref
1492 struct gfc_array_ref ar
;
1496 gfc_component
*component
;
1503 struct gfc_expr
*start
, *end
; /* Substring */
1504 gfc_charlen
*length
;
1511 struct gfc_ref
*next
;
1515 #define gfc_get_ref() XCNEW (gfc_ref)
1518 /* Structures representing intrinsic symbols and their arguments lists. */
1519 typedef struct gfc_intrinsic_arg
1521 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1525 ENUM_BITFIELD (sym_intent
) intent
:2;
1526 gfc_actual_arglist
*actual
;
1528 struct gfc_intrinsic_arg
*next
;
1534 /* Specifies the various kinds of check functions used to verify the
1535 argument lists of intrinsic functions. fX with X an integer refer
1536 to check functions of intrinsics with X arguments. f1m is used for
1537 the MAX and MIN intrinsics which can have an arbitrary number of
1538 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1539 these have special semantics. */
1543 gfc_try (*f0
)(void);
1544 gfc_try (*f1
)(struct gfc_expr
*);
1545 gfc_try (*f1m
)(gfc_actual_arglist
*);
1546 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1547 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1548 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1549 gfc_try (*f3red
)(gfc_actual_arglist
*);
1550 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1552 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1553 struct gfc_expr
*, struct gfc_expr
*);
1557 /* Like gfc_check_f, these specify the type of the simplification
1558 function associated with an intrinsic. The fX are just like in
1559 gfc_check_f. cc is used for type conversion functions. */
1563 struct gfc_expr
*(*f0
)(void);
1564 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1565 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1566 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1568 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1569 struct gfc_expr
*, struct gfc_expr
*);
1570 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1571 struct gfc_expr
*, struct gfc_expr
*,
1573 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1577 /* Again like gfc_check_f, these specify the type of the resolution
1578 function associated with an intrinsic. The fX are just like in
1579 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1583 void (*f0
)(struct gfc_expr
*);
1584 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1585 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1586 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1587 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1589 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1590 struct gfc_expr
*, struct gfc_expr
*);
1591 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1592 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1593 void (*s1
)(struct gfc_code
*);
1598 typedef struct gfc_intrinsic_sym
1600 const char *name
, *lib_name
;
1601 gfc_intrinsic_arg
*formal
;
1603 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1604 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1;
1608 gfc_simplify_f simplify
;
1610 gfc_resolve_f resolve
;
1611 struct gfc_intrinsic_sym
*specific_head
, *next
;
1618 typedef struct gfc_class_esym_list
1620 gfc_symbol
*derived
;
1622 struct gfc_expr
*hash_value
;
1623 struct gfc_class_esym_list
*next
;
1625 gfc_class_esym_list
;
1627 #define gfc_get_class_esym_list() XCNEW (gfc_class_esym_list)
1629 /* Expression nodes. The expression node types deserve explanations,
1630 since the last couple can be easily misconstrued:
1632 EXPR_OP Operator node pointing to one or two other nodes
1633 EXPR_FUNCTION Function call, symbol points to function's name
1634 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1635 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1636 which expresses structure, array and substring refs.
1637 EXPR_NULL The NULL pointer value (which also has a basic type).
1638 EXPR_SUBSTRING A substring of a constant string
1639 EXPR_STRUCTURE A structure constructor
1640 EXPR_ARRAY An array constructor.
1641 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1642 component or type-bound procedure. */
1647 #define GFC_RND_MODE GMP_RNDN
1648 #define GFC_MPC_RND_MODE MPC_RNDNN
1650 typedef splay_tree gfc_constructor_base
;
1652 typedef struct gfc_expr
1656 gfc_typespec ts
; /* These two refer to the overall expression */
1659 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1661 /* Nonnull for functions and structure constructors, may also used to hold the
1662 base-object for component calls. */
1663 gfc_symtree
*symtree
;
1669 /* True if the expression is a call to a function that returns an array,
1670 and if we have decided not to allocate temporary data for that array.
1671 is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
1672 denotes a signalling not-a-number. */
1673 unsigned int inline_noncopying_intrinsic
: 1, is_boz
: 1, is_snan
: 1;
1675 /* Sometimes, when an error has been emitted, it is necessary to prevent
1676 it from recurring. */
1677 unsigned int error
: 1;
1679 /* Mark and expression where a user operator has been substituted by
1680 a function call in interface.c(gfc_extend_expr). */
1681 unsigned int user_operator
: 1;
1683 /* If an expression comes from a Hollerith constant or compile-time
1684 evaluation of a transfer statement, it may have a prescribed target-
1685 memory representation, and these cannot always be backformed from
1708 gfc_intrinsic_op op
;
1710 struct gfc_expr
*op1
, *op2
;
1716 gfc_actual_arglist
*actual
;
1717 const char *name
; /* Points to the ultimate name of the function */
1718 gfc_intrinsic_sym
*isym
;
1720 gfc_class_esym_list
*class_esym
;
1726 gfc_actual_arglist
* actual
;
1728 /* Base-object, whose component was called. NULL means that it should
1729 be taken from symtree/ref. */
1730 struct gfc_expr
* base_object
;
1731 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1733 /* For type-bound operators, we want to call PASS procedures but already
1734 have the full arglist; mark this, so that it is not extended by the
1736 unsigned ignore_pass
:1;
1738 /* Do assign-calls rather than calls, that is appropriate dependency
1751 gfc_constructor_base constructor
;
1759 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1761 /* Structures for information associated with different kinds of
1762 numbers. The first set of integer parameters define all there is
1763 to know about a particular kind. The rest of the elements are
1764 computed from the first elements. */
1768 /* Values really representable by the target. */
1769 mpz_t huge
, pedantic_min_int
, min_int
;
1771 int kind
, radix
, digits
, bit_size
, range
;
1773 /* True if the C type of the given name maps to this precision.
1774 Note that more than one bit can be set. */
1775 unsigned int c_char
: 1;
1776 unsigned int c_short
: 1;
1777 unsigned int c_int
: 1;
1778 unsigned int c_long
: 1;
1779 unsigned int c_long_long
: 1;
1783 extern gfc_integer_info gfc_integer_kinds
[];
1790 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1791 unsigned int c_bool
: 1;
1795 extern gfc_logical_info gfc_logical_kinds
[];
1800 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1801 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1802 int range
, precision
;
1804 /* The precision of the type as reported by GET_MODE_PRECISION. */
1807 /* True if the C type of the given name maps to this precision.
1808 Note that more than one bit can be set. */
1809 unsigned int c_float
: 1;
1810 unsigned int c_double
: 1;
1811 unsigned int c_long_double
: 1;
1815 extern gfc_real_info gfc_real_kinds
[];
1824 extern gfc_character_info gfc_character_kinds
[];
1827 /* Equivalence structures. Equivalent lvalues are linked along the
1828 *eq pointer, equivalence sets are strung along the *next node. */
1829 typedef struct gfc_equiv
1831 struct gfc_equiv
*next
, *eq
;
1838 #define gfc_get_equiv() XCNEW (gfc_equiv)
1840 /* Holds a single equivalence member after processing. */
1841 typedef struct gfc_equiv_info
1844 HOST_WIDE_INT offset
;
1845 HOST_WIDE_INT length
;
1846 struct gfc_equiv_info
*next
;
1849 /* Holds equivalence groups, after they have been processed. */
1850 typedef struct gfc_equiv_list
1852 gfc_equiv_info
*equiv
;
1853 struct gfc_equiv_list
*next
;
1856 /* gfc_case stores the selector list of a case statement. The *low
1857 and *high pointers can point to the same expression in the case of
1858 a single value. If *high is NULL, the selection is from *low
1859 upwards, if *low is NULL the selection is *high downwards.
1861 This structure has separate fields to allow single and double linked
1862 lists of CASEs at the same time. The singe linked list along the NEXT
1863 field is a list of cases for a single CASE label. The double linked
1864 list along the LEFT/RIGHT fields is used to detect overlap and to
1865 build a table of the cases for SELECT constructs with a CHARACTER
1868 typedef struct gfc_case
1870 /* Where we saw this case. */
1874 /* Case range values. If (low == high), it's a single value. If one of
1875 the labels is NULL, it's an unbounded case. If both are NULL, this
1876 represents the default case. */
1877 gfc_expr
*low
, *high
;
1879 /* Only used for SELECT TYPE. */
1882 /* Next case label in the list of cases for a single CASE label. */
1883 struct gfc_case
*next
;
1885 /* Used for detecting overlap, and for code generation. */
1886 struct gfc_case
*left
, *right
;
1888 /* True if this case label can never be matched. */
1893 #define gfc_get_case() XCNEW (gfc_case)
1898 gfc_expr
*var
, *start
, *end
, *step
;
1902 #define gfc_get_iterator() XCNEW (gfc_iterator)
1905 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1907 typedef struct gfc_alloc
1910 struct gfc_alloc
*next
;
1914 #define gfc_get_alloc() XCNEW (gfc_alloc)
1919 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1920 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1921 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1929 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1937 gfc_expr
*unit
, *iostat
, *iomsg
;
1945 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1946 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1947 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1948 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
1949 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
;
1959 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
1960 gfc_st_label
*err
, *end
, *eor
;
1967 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
1968 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
1969 *sign
, *extra_comma
;
1971 gfc_symbol
*namelist
;
1972 /* A format_label of `format_asterisk' indicates the "*" format */
1973 gfc_st_label
*format_label
;
1974 gfc_st_label
*err
, *end
, *eor
;
1976 locus eor_where
, end_where
, err_where
;
1981 typedef struct gfc_forall_iterator
1983 gfc_expr
*var
, *start
, *end
, *stride
;
1984 struct gfc_forall_iterator
*next
;
1986 gfc_forall_iterator
;
1989 /* Executable statements that fill gfc_code structures. */
1992 EXEC_NOP
= 1, EXEC_END_BLOCK
, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
,
1993 EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
1994 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
1995 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
1996 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
, EXEC_BLOCK
,
1997 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
, EXEC_CALL_PPC
,
1998 EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
, EXEC_SELECT_TYPE
,
1999 EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2000 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2001 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2002 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2003 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2004 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2005 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2006 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2007 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2008 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
2012 typedef struct gfc_code
2016 struct gfc_code
*block
, *next
;
2019 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2020 gfc_symtree
*symtree
;
2021 gfc_expr
*expr1
, *expr2
, *expr3
;
2022 /* A name isn't sufficient to identify a subroutine, we need the actual
2023 symbol for the interface definition.
2024 const char *sub_name; */
2025 gfc_symbol
*resolved_sym
;
2026 gfc_intrinsic_sym
*resolved_isym
;
2030 gfc_actual_arglist
*actual
;
2031 gfc_case
*case_list
;
2032 gfc_iterator
*iterator
;
2043 gfc_filepos
*filepos
;
2044 gfc_inquire
*inquire
;
2047 gfc_forall_iterator
*forall_iterator
;
2048 struct gfc_code
*whichloop
;
2050 gfc_entry_list
*entry
;
2051 gfc_omp_clauses
*omp_clauses
;
2052 const char *omp_name
;
2053 gfc_namelist
*omp_namelist
;
2057 ext
; /* Points to additional structures required by statement */
2059 /* Backend_decl is used for cycle and break labels in do loops, and
2060 probably for other constructs as well, once we translate them. */
2066 /* Storage for DATA statements. */
2067 typedef struct gfc_data_variable
2071 struct gfc_data_variable
*list
, *next
;
2076 typedef struct gfc_data_value
2080 struct gfc_data_value
*next
;
2085 typedef struct gfc_data
2087 gfc_data_variable
*var
;
2088 gfc_data_value
*value
;
2091 struct gfc_data
*next
;
2096 /* Structure for holding compile options */
2100 gfc_source_form source_form
;
2101 /* Maximum line lengths in fixed- and free-form source, respectively.
2102 When fixed_line_length or free_line_length are 0, the whole line is used,
2103 regardless of length.
2105 If the user requests a fixed_line_length <7 then gfc_init_options()
2106 emits a fatal error. */
2107 int fixed_line_length
;
2108 int free_line_length
;
2109 /* Maximum number of continuation lines in fixed- and free-form source,
2111 int max_continue_fixed
;
2112 int max_continue_free
;
2113 int max_identifier_length
;
2114 int dump_parse_tree
;
2118 int warn_conversion
;
2119 int warn_implicit_interface
;
2120 int warn_implicit_procedure
;
2121 int warn_line_truncation
;
2122 int warn_surprising
;
2125 int warn_intrinsic_shadow
;
2126 int warn_intrinsics_std
;
2127 int warn_character_truncation
;
2128 int warn_array_temp
;
2129 int warn_align_commons
;
2132 int flag_all_intrinsics
;
2133 int flag_default_double
;
2134 int flag_default_integer
;
2135 int flag_default_real
;
2137 int flag_underscoring
;
2138 int flag_second_underscore
;
2139 int flag_implicit_none
;
2140 int flag_max_stack_var_size
;
2141 int flag_max_array_constructor
;
2142 int flag_range_check
;
2143 int flag_pack_derived
;
2144 int flag_repack_arrays
;
2145 int flag_preprocessed
;
2150 int flag_allow_leading_underscore
;
2152 int flag_external_blas
;
2153 int blas_matmul_limit
;
2154 int flag_cray_pointer
;
2158 int flag_module_private
;
2160 int flag_init_local_zero
;
2161 int flag_init_integer
;
2162 int flag_init_integer_value
;
2164 int flag_init_logical
;
2165 int flag_init_character
;
2166 char flag_init_character_value
;
2167 int flag_align_commons
;
2168 int flag_whole_file
;
2169 int flag_protect_parens
;
2173 gfc_fcoarray coarray
;
2179 int max_subrecord_length
;
2183 extern gfc_option_t gfc_option
;
2185 /* Constructor nodes for array and structure constructors. */
2186 typedef struct gfc_constructor
2188 gfc_constructor_base base
;
2189 mpz_t offset
; /* Offset within a constructor, used as
2193 gfc_iterator
*iterator
;
2198 gfc_component
*component
; /* Record the component being initialized. */
2201 mpz_t repeat
; /* Record the repeat number of initial values in data
2202 statement like "data a/5*10/". */
2207 typedef struct iterator_stack
2209 gfc_symtree
*variable
;
2211 struct iterator_stack
*prev
;
2214 extern iterator_stack
*iter_stack
;
2217 /* Used for (possibly nested) SELECT TYPE statements. */
2218 typedef struct gfc_select_type_stack
2220 gfc_symbol
*selector
; /* Current selector variable. */
2221 gfc_symtree
*tmp
; /* Current temporary variable. */
2222 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2224 gfc_select_type_stack
;
2225 extern gfc_select_type_stack
*select_type_stack
;
2226 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2229 /* Node in the linked list used for storing finalizer procedures. */
2231 typedef struct gfc_finalizer
2233 struct gfc_finalizer
* next
;
2234 locus where
; /* Where the FINAL declaration occurred. */
2236 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2237 symtree and later need only that. This way, we can access and call the
2238 finalizers from every context as they should be "always accessible". I
2239 don't make this a union because we need the information whether proc_sym is
2240 still referenced or not for dereferencing it on deleting a gfc_finalizer
2242 gfc_symbol
* proc_sym
;
2243 gfc_symtree
* proc_tree
;
2246 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2249 /************************ Function prototypes *************************/
2252 bool gfc_in_match_data (void);
2253 match
gfc_match_char_spec (gfc_typespec
*);
2256 void gfc_scanner_done_1 (void);
2257 void gfc_scanner_init_1 (void);
2259 void gfc_add_include_path (const char *, bool, bool);
2260 void gfc_add_intrinsic_modules_path (const char *);
2261 void gfc_release_include_path (void);
2262 FILE *gfc_open_included_file (const char *, bool, bool);
2263 FILE *gfc_open_intrinsic_module (const char *);
2265 int gfc_at_end (void);
2266 int gfc_at_eof (void);
2267 int gfc_at_bol (void);
2268 int gfc_at_eol (void);
2269 void gfc_advance_line (void);
2270 int gfc_check_include (void);
2271 int gfc_define_undef_line (void);
2273 int gfc_wide_is_printable (gfc_char_t
);
2274 int gfc_wide_is_digit (gfc_char_t
);
2275 int gfc_wide_fits_in_byte (gfc_char_t
);
2276 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2277 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2278 size_t gfc_wide_strlen (const gfc_char_t
*);
2279 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2280 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2281 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2282 gfc_char_t
*gfc_char_to_widechar (const char *);
2284 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2286 void gfc_skip_comments (void);
2287 gfc_char_t
gfc_next_char_literal (int);
2288 gfc_char_t
gfc_next_char (void);
2289 char gfc_next_ascii_char (void);
2290 gfc_char_t
gfc_peek_char (void);
2291 char gfc_peek_ascii_char (void);
2292 void gfc_error_recovery (void);
2293 void gfc_gobble_whitespace (void);
2294 gfc_try
gfc_new_file (void);
2295 const char * gfc_read_orig_filename (const char *, const char **);
2297 extern gfc_source_form gfc_current_form
;
2298 extern const char *gfc_source_file
;
2299 extern locus gfc_current_locus
;
2301 void gfc_start_source_files (void);
2302 void gfc_end_source_files (void);
2305 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
2306 void gfc_free (void *);
2307 int gfc_terminal_width (void);
2308 void gfc_clear_ts (gfc_typespec
*);
2309 FILE *gfc_open_file (const char *);
2310 const char *gfc_basic_typename (bt
);
2311 const char *gfc_typename (gfc_typespec
*);
2312 const char *gfc_op2string (gfc_intrinsic_op
);
2313 const char *gfc_code2string (const mstring
*, int);
2314 int gfc_string2code (const mstring
*, const char *);
2315 const char *gfc_intent_string (sym_intent
);
2317 void gfc_init_1 (void);
2318 void gfc_init_2 (void);
2319 void gfc_done_1 (void);
2320 void gfc_done_2 (void);
2322 int get_c_kind (const char *, CInteropKind_t
*);
2325 unsigned int gfc_init_options (unsigned int, const char **);
2326 int gfc_handle_option (size_t, const char *, int);
2327 bool gfc_post_options (const char **);
2330 void gfc_maybe_initialize_eh (void);
2333 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2334 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2338 typedef struct gfc_error_buf
2341 size_t allocated
, index
;
2345 void gfc_error_init_1 (void);
2346 void gfc_buffer_error (int);
2348 const char *gfc_print_wide_char (gfc_char_t
);
2350 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2351 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2352 void gfc_clear_warning (void);
2353 void gfc_warning_check (void);
2355 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2356 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2357 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2358 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2359 void gfc_clear_error (void);
2360 int gfc_error_check (void);
2361 int gfc_error_flag_test (void);
2363 notification
gfc_notification_std (int);
2364 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2366 /* A general purpose syntax error. */
2367 #define gfc_syntax_error(ST) \
2368 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2370 void gfc_push_error (gfc_error_buf
*);
2371 void gfc_pop_error (gfc_error_buf
*);
2372 void gfc_free_error (gfc_error_buf
*);
2374 void gfc_get_errors (int *, int *);
2375 void gfc_errors_to_warnings (int);
2378 void gfc_arith_init_1 (void);
2379 void gfc_arith_done_1 (void);
2380 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2381 bool gfc_check_character_range (gfc_char_t
, int);
2384 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2385 int gfc_validate_kind (bt
, int, bool);
2386 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2387 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2388 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2389 extern int gfc_index_integer_kind
;
2390 extern int gfc_default_integer_kind
;
2391 extern int gfc_max_integer_kind
;
2392 extern int gfc_default_real_kind
;
2393 extern int gfc_default_double_kind
;
2394 extern int gfc_default_character_kind
;
2395 extern int gfc_default_logical_kind
;
2396 extern int gfc_default_complex_kind
;
2397 extern int gfc_c_int_kind
;
2398 extern int gfc_intio_kind
;
2399 extern int gfc_charlen_int_kind
;
2400 extern int gfc_numeric_storage_size
;
2401 extern int gfc_character_storage_size
;
2404 void gfc_clear_new_implicit (void);
2405 gfc_try
gfc_add_new_implicit_range (int, int);
2406 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2407 void gfc_set_implicit_none (void);
2408 void gfc_check_function_type (gfc_namespace
*);
2409 bool gfc_is_intrinsic_typename (const char *);
2411 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2412 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2414 void gfc_set_sym_referenced (gfc_symbol
*);
2416 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2417 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2418 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2419 gfc_try
gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2420 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2421 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2422 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2423 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2424 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2425 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2426 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2427 match
gfc_mod_pointee_as (gfc_array_spec
*);
2428 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2429 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2430 gfc_try
gfc_add_save (symbol_attribute
*, const char *, locus
*);
2431 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2432 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2433 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2434 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2435 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2436 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2437 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2438 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2439 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2440 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2441 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2442 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2443 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2444 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2445 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2446 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2447 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2448 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2449 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2450 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2452 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2453 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2454 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2455 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2456 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2457 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2458 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2459 const char *, locus
*);
2460 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2461 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2462 gfc_formal_arglist
*, locus
*);
2463 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2465 void gfc_clear_attr (symbol_attribute
*);
2466 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2467 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2469 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2470 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2471 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2472 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2474 gfc_st_label
*gfc_get_st_label (int);
2475 void gfc_free_st_label (gfc_st_label
*);
2476 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2477 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2479 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2481 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2482 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2483 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2484 void gfc_delete_symtree (gfc_symtree
**, const char *);
2485 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2486 gfc_user_op
*gfc_get_uop (const char *);
2487 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2488 void gfc_free_symbol (gfc_symbol
*);
2489 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2490 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2491 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2492 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2493 gfc_try
verify_c_interop (gfc_typespec
*);
2494 gfc_try
verify_c_interop_param (gfc_symbol
*);
2495 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2496 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2497 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2498 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2499 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, char *, int);
2500 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2501 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2502 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2504 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
2506 void gfc_undo_symbols (void);
2507 void gfc_commit_symbols (void);
2508 void gfc_commit_symbol (gfc_symbol
*);
2509 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2510 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2511 void gfc_free_namespace (gfc_namespace
*);
2513 void gfc_symbol_init_2 (void);
2514 void gfc_symbol_done_2 (void);
2516 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2517 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2518 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2519 void gfc_save_all (gfc_namespace
*);
2521 void gfc_symbol_state (void);
2522 void gfc_free_dt_list (void);
2525 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2526 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2528 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2530 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2531 gfc_typebound_proc
* gfc_get_typebound_proc (void);
2532 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2533 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2534 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2535 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2536 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2537 const char*, bool, locus
*);
2538 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
2539 const char*, bool, locus
*);
2540 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
2541 gfc_intrinsic_op
, bool,
2543 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2545 void gfc_copy_formal_args (gfc_symbol
*, gfc_symbol
*);
2546 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2547 void gfc_copy_formal_args_ppc (gfc_component
*, gfc_symbol
*);
2549 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2551 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2554 extern int gfc_init_expr
;
2556 /* Given a symbol that we have decided is intrinsic, mark it as such
2557 by placing it into a special module that is otherwise impossible to
2560 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2562 void gfc_intrinsic_init_1 (void);
2563 void gfc_intrinsic_done_1 (void);
2565 char gfc_type_letter (bt
);
2566 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2567 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2568 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2569 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2570 int gfc_generic_intrinsic (const char *);
2571 int gfc_specific_intrinsic (const char *);
2572 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2573 int gfc_intrinsic_actual_ok (const char *, const bool);
2574 gfc_intrinsic_sym
*gfc_find_function (const char *);
2575 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2577 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2578 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2580 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2581 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2584 /* match.c -- FIXME */
2585 void gfc_free_iterator (gfc_iterator
*, int);
2586 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2587 void gfc_free_alloc_list (gfc_alloc
*);
2588 void gfc_free_namelist (gfc_namelist
*);
2589 void gfc_free_equiv (gfc_equiv
*);
2590 void gfc_free_data (gfc_data
*);
2591 void gfc_free_case_list (gfc_case
*);
2593 /* matchexp.c -- FIXME too? */
2594 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2597 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2598 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2599 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2600 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2601 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2604 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2605 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2606 const char *gfc_extract_int (gfc_expr
*, int *);
2607 bool is_subref_array (gfc_expr
*);
2609 void gfc_add_component_ref (gfc_expr
*, const char *);
2610 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2611 void gfc_free_ref_list (gfc_ref
*);
2612 void gfc_type_convert_binary (gfc_expr
*, int);
2613 int gfc_is_constant_expr (gfc_expr
*);
2614 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2615 int gfc_has_vector_index (gfc_expr
*);
2617 gfc_expr
*gfc_get_expr (void);
2618 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2619 gfc_expr
*gfc_get_null_expr (locus
*);
2620 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2621 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2622 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2623 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2624 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2625 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2626 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2628 void gfc_free_expr (gfc_expr
*);
2629 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2630 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2631 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2632 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2633 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2635 gfc_try
gfc_specification_expr (gfc_expr
*);
2637 int gfc_numeric_ts (gfc_typespec
*);
2638 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2640 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2641 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2642 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2643 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2645 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2646 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2648 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2650 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2651 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2653 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2654 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2655 void gfc_expr_replace_symbols (gfc_expr
*, gfc_symbol
*);
2656 void gfc_expr_replace_comp (gfc_expr
*, gfc_component
*);
2658 bool gfc_is_proc_ptr_comp (gfc_expr
*, gfc_component
**);
2660 bool gfc_is_coindexed (gfc_expr
*);
2661 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2662 bool gfc_has_ultimate_pointer (gfc_expr
*);
2666 extern gfc_code new_st
;
2668 void gfc_clear_new_st (void);
2669 gfc_code
*gfc_get_code (void);
2670 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2671 void gfc_free_statement (gfc_code
*);
2672 void gfc_free_statements (gfc_code
*);
2675 gfc_try
gfc_resolve_expr (gfc_expr
*);
2676 void gfc_resolve (gfc_namespace
*);
2677 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2678 int gfc_impure_variable (gfc_symbol
*);
2679 int gfc_pure (gfc_symbol
*);
2680 int gfc_elemental (gfc_symbol
*);
2681 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool);
2682 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2683 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2684 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2685 int gfc_is_formal_arg (void);
2686 void gfc_resolve_substring_charlen (gfc_expr
*);
2687 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2688 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2689 bool gfc_type_is_extensible (gfc_symbol
*sym
);
2693 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2695 void gfc_free_array_spec (gfc_array_spec
*);
2696 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2698 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2699 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2700 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2702 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2704 void gfc_simplify_iterator_var (gfc_expr
*);
2705 gfc_try
gfc_expand_constructor (gfc_expr
*);
2706 int gfc_constant_ac (gfc_expr
*);
2707 int gfc_expanded_ac (gfc_expr
*);
2708 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2709 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2710 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2711 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2712 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2713 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2714 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2715 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2716 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2717 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2718 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2719 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2720 int gfc_is_compile_time_shape (gfc_array_spec
*);
2722 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*);
2725 /* interface.c -- FIXME: some of these should be in symbol.c */
2726 void gfc_free_interface (gfc_interface
*);
2727 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2728 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2729 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2731 void gfc_check_interfaces (gfc_namespace
*);
2732 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2733 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2734 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2735 gfc_actual_arglist
**);
2736 gfc_try
gfc_extend_expr (gfc_expr
*, bool *);
2737 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2738 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2739 gfc_try
gfc_add_interface (gfc_symbol
*);
2740 gfc_interface
*gfc_current_interface_head (void);
2741 void gfc_set_current_interface_head (gfc_interface
*);
2742 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2743 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2744 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2747 extern gfc_st_label format_asterisk
;
2749 void gfc_free_open (gfc_open
*);
2750 gfc_try
gfc_resolve_open (gfc_open
*);
2751 void gfc_free_close (gfc_close
*);
2752 gfc_try
gfc_resolve_close (gfc_close
*);
2753 void gfc_free_filepos (gfc_filepos
*);
2754 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2755 void gfc_free_inquire (gfc_inquire
*);
2756 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2757 void gfc_free_dt (gfc_dt
*);
2758 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2759 void gfc_free_wait (gfc_wait
*);
2760 gfc_try
gfc_resolve_wait (gfc_wait
*);
2763 void gfc_module_init_2 (void);
2764 void gfc_module_done_2 (void);
2765 void gfc_dump_module (const char *, int);
2766 bool gfc_check_access (gfc_access
, gfc_access
);
2767 void gfc_free_use_stmts (gfc_use_list
*);
2770 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2771 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2772 match
gfc_match_rvalue (gfc_expr
**);
2773 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2774 int gfc_check_digit (char, int);
2775 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2778 void gfc_generate_code (gfc_namespace
*);
2779 void gfc_generate_module_code (gfc_namespace
*);
2782 typedef int (*compare_fn
) (void *, void *);
2783 void gfc_insert_bbt (void *, void *, compare_fn
);
2784 void gfc_delete_bbt (void *, void *, compare_fn
);
2786 /* dump-parse-tree.c */
2787 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2790 gfc_try
gfc_parse_file (void);
2791 void gfc_global_used (gfc_gsymbol
*, locus
*);
2794 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2795 int gfc_is_data_pointer (gfc_expr
*);
2798 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2800 #endif /* GCC_GFORTRAN_H */