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
, BT_LOGICAL
, BT_CHARACTER
,
146 BT_DERIVED
, BT_CLASS
, BT_PROCEDURE
, BT_HOLLERITH
, BT_VOID
150 /* Expression node types. */
152 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
153 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
159 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
160 AS_ASSUMED_SIZE
, AS_UNKNOWN
165 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
168 /* Statement label types. */
170 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
,
171 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
175 /* Intrinsic operators. */
177 { GFC_INTRINSIC_BEGIN
= 0,
178 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
179 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
180 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
181 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
182 /* ==, /=, >, >=, <, <= */
183 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
184 INTRINSIC_LT
, INTRINSIC_LE
,
185 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
186 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
187 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
188 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
189 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
194 /* This macro is the number of intrinsic operators that exist.
195 Assumptions are made about the numbering of the interface_op enums. */
196 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
198 /* Arithmetic results. */
200 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
201 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
208 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_BACKSPACE
,
209 ST_BLOCK
, 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
, 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
,
218 ST_INQUIRE
, ST_INTERFACE
,
219 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
220 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
221 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
222 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
223 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
224 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
225 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_CRITICAL
,
226 ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
, ST_OMP_END_PARALLEL
,
227 ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
228 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
229 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
230 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
231 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
232 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
233 ST_OMP_TASKWAIT
, ST_PROCEDURE
, ST_GENERIC
,
234 ST_GET_FCN_CHARACTERISTICS
, ST_NONE
239 /* Types of interfaces that we can have. Assignment interfaces are
240 considered to be intrinsic operators. */
243 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
244 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
248 /* Symbol flavors: these are all mutually exclusive.
249 10 elements = 4 bits. */
250 typedef enum sym_flavor
252 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
253 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
258 /* Procedure types. 7 elements = 3 bits. */
259 typedef enum procedure_type
260 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
261 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
266 typedef enum sym_intent
267 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
272 typedef enum gfc_access
273 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
277 /* Flags to keep track of where an interface came from.
278 3 elements = 2 bits. */
280 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
281 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
282 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
283 with explicit interface. */
287 /* Whether a SAVE attribute was set explicitly or implicitly. */
288 typedef enum save_state
289 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
293 /* Strings for all symbol attributes. We use these for dumping the
294 parse tree, in error messages, and also when reading and writing
295 modules. In symbol.c. */
296 extern const mstring flavors
[];
297 extern const mstring procedures
[];
298 extern const mstring intents
[];
299 extern const mstring access_types
[];
300 extern const mstring ifsrc_types
[];
301 extern const mstring save_status
[];
303 /* Enumeration of all the generic intrinsic functions. Used by the
304 backend for identification of a function. */
308 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
309 the backend (e.g. KIND). */
340 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
350 GFC_ISYM_DATE_AND_TIME
,
354 GFC_ISYM_DOT_PRODUCT
,
361 GFC_ISYM_ERFC_SCALED
,
366 GFC_ISYM_EXTENDS_TYPE_OF
,
383 GFC_ISYM_GET_COMMAND
,
384 GFC_ISYM_GET_COMMAND_ARGUMENT
,
387 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
413 GFC_ISYM_IS_IOSTAT_END
,
414 GFC_ISYM_IS_IOSTAT_EOR
,
445 GFC_ISYM_MAXEXPONENT
,
452 GFC_ISYM_MINEXPONENT
,
472 GFC_ISYM_RANDOM_NUMBER
,
473 GFC_ISYM_RANDOM_SEED
,
481 GFC_ISYM_SAME_TYPE_AS
,
487 GFC_ISYM_SET_EXPONENT
,
507 GFC_ISYM_SYSTEM_CLOCK
,
528 typedef enum gfc_isym_id gfc_isym_id
;
533 GFC_INIT_REAL_OFF
= 0,
538 GFC_INIT_REAL_NEG_INF
544 GFC_INIT_LOGICAL_OFF
= 0,
545 GFC_INIT_LOGICAL_FALSE
,
546 GFC_INIT_LOGICAL_TRUE
552 GFC_INIT_CHARACTER_OFF
= 0,
553 GFC_INIT_CHARACTER_ON
555 init_local_character
;
559 GFC_INIT_INTEGER_OFF
= 0,
564 /************************* Structures *****************************/
566 /* Used for keeping things in balanced binary trees. */
567 #define BBT_HEADER(self) int priority; struct self *left, *right
569 #define NAMED_INTCST(a,b,c,d) a,
572 ISOFORTRANENV_INVALID
= -1,
573 #include "iso-fortran-env.def"
574 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
576 iso_fortran_env_symbol
;
579 #define NAMED_INTCST(a,b,c,d) a,
580 #define NAMED_REALCST(a,b,c) a,
581 #define NAMED_CMPXCST(a,b,c) a,
582 #define NAMED_LOGCST(a,b,c) a,
583 #define NAMED_CHARKNDCST(a,b,c) a,
584 #define NAMED_CHARCST(a,b,c) a,
585 #define DERIVED_TYPE(a,b,c) a,
586 #define PROCEDURE(a,b) a,
589 ISOCBINDING_INVALID
= -1,
590 #include "iso-c-binding.def"
592 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
594 iso_c_binding_symbol
;
599 #undef NAMED_CHARKNDCST
606 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
612 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
613 int value
; /* Used for both integer and character values. */
618 /* Array of structs, where the structs represent the C interop kinds.
619 The list will be implemented based on a hash of the kind name since
620 these could be accessed multiple times.
621 Declared in trans-types.c as a global, since it's in that file
622 that the list is initialized. */
623 extern CInteropKind_t c_interop_kinds_table
[];
626 /* Structure and list of supported extension attributes. */
629 EXT_ATTR_DLLIMPORT
= 0,
634 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
642 const char *middle_end_name
;
646 extern const ext_attr_t ext_attr_list
[];
648 /* Symbol attribute structure. */
651 /* Variable attributes. */
652 unsigned allocatable
:1, dimension
:1, external
:1, intrinsic
:1,
653 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
654 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
655 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1;
657 /* For CLASS containers, the pointer attribute is sometimes set internally
658 even though it was not directly specified. In this case, keep the
659 "real" (original) value here. */
660 unsigned class_pointer
:1;
662 ENUM_BITFIELD (save_state
) save
:2;
664 unsigned data
:1, /* Symbol is named in a DATA statement. */
665 is_protected
:1, /* Symbol has been marked as protected. */
666 use_assoc
:1, /* Symbol has been use-associated. */
667 use_only
:1, /* Symbol has been use-associated, with ONLY. */
668 use_rename
:1, /* Symbol has been use-associated and renamed. */
669 imported
:1; /* Symbol has been associated by IMPORT. */
671 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
672 unsigned function
:1, subroutine
:1, procedure
:1;
673 unsigned generic
:1, generic_copy
:1;
674 unsigned implicit_type
:1; /* Type defined via implicit rules. */
675 unsigned untyped
:1; /* No implicit type could be found. */
677 unsigned is_bind_c
:1; /* say if is bound to C. */
678 unsigned extension
:8; /* extension level of a derived type. */
679 unsigned is_class
:1; /* is a CLASS container. */
680 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
681 unsigned vtab
:1; /* is a derived type vtab. */
683 /* These flags are both in the typespec and attribute. The attribute
684 list is what gets read from/written to a module file. The typespec
685 is created from a decl being processed. */
686 unsigned is_c_interop
:1; /* It's c interoperable. */
687 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
689 /* Function/subroutine attributes */
690 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
691 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
693 /* This is set if the subroutine doesn't return. Currently, this
694 is only possible for intrinsic subroutines. */
697 /* Set if this procedure is an alternate entry point. These procedures
698 don't have any code associated, and the backend will turn them into
699 thunks to the master function. */
702 /* Set if this is the master function for a procedure with multiple
704 unsigned entry_master
:1;
706 /* Set if this is the master function for a function with multiple
707 entry points where characteristics of the entry points differ. */
708 unsigned mixed_entry_master
:1;
710 /* Set if a function must always be referenced by an explicit interface. */
711 unsigned always_explicit
:1;
713 /* Set if the symbol has been referenced in an expression. No further
714 modification of type or type parameters is permitted. */
715 unsigned referenced
:1;
717 /* Set if this is the symbol for the main program. */
718 unsigned is_main_program
:1;
720 /* Mutually exclusive multibit attributes. */
721 ENUM_BITFIELD (gfc_access
) access
:2;
722 ENUM_BITFIELD (sym_intent
) intent
:2;
723 ENUM_BITFIELD (sym_flavor
) flavor
:4;
724 ENUM_BITFIELD (ifsrc
) if_source
:2;
726 ENUM_BITFIELD (procedure_type
) proc
:3;
728 /* Special attributes for Cray pointers, pointees. */
729 unsigned cray_pointer
:1, cray_pointee
:1;
731 /* The symbol is a derived type with allocatable components, pointer
732 components or private components, procedure pointer components,
733 possibly nested. zero_comp is true if the derived type has no
735 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
736 private_comp
:1, zero_comp
:1;
738 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
739 unsigned ext_attr
:EXT_ATTR_NUM
;
741 /* The namespace where the attribute has been set. */
742 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
747 /* We need to store source lines as sequences of multibyte source
748 characters. We define here a type wide enough to hold any multibyte
749 source character, just like libcpp does. A 32-bit type is enough. */
751 #if HOST_BITS_PER_INT >= 32
752 typedef unsigned int gfc_char_t
;
753 #elif HOST_BITS_PER_LONG >= 32
754 typedef unsigned long gfc_char_t
;
755 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
756 typedef unsigned long long gfc_char_t
;
758 # error "Cannot find an integer type with at least 32 bits"
762 /* The following three structures are used to identify a location in
765 gfc_file is used to maintain a tree of the source files and how
766 they include each other
768 gfc_linebuf holds a single line of source code and information
769 which file it resides in
771 locus point to the sourceline and the character in the source
775 typedef struct gfc_file
777 struct gfc_file
*next
, *up
;
778 int inclusion_line
, line
;
782 typedef struct gfc_linebuf
784 source_location location
;
785 struct gfc_file
*file
;
786 struct gfc_linebuf
*next
;
794 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
796 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
804 /* In order for the "gfc" format checking to work correctly, you must
805 have declared a typedef locus first. */
806 #if GCC_VERSION >= 4001
807 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
809 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
813 /* Suppress error messages or re-enable them. */
815 void gfc_push_suppress_errors (void);
816 void gfc_pop_suppress_errors (void);
819 /* Character length structures hold the expression that gives the
820 length of a character variable. We avoid putting these into
821 gfc_typespec because doing so prevents us from doing structure
822 copies and forces us to deallocate any typespecs we create, as well
823 as structures that contain typespecs. They also can have multiple
824 character typespecs pointing to them.
826 These structures form a singly linked list within the current
827 namespace and are deallocated with the namespace. It is possible to
828 end up with gfc_charlen structures that have nothing pointing to them. */
830 typedef struct gfc_charlen
832 struct gfc_expr
*length
;
833 struct gfc_charlen
*next
;
834 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
836 tree passed_length
; /* Length argument explicitelly passed. */
842 #define gfc_get_charlen() XCNEW (gfc_charlen)
844 /* Type specification structure. */
852 struct gfc_symbol
*derived
; /* For derived types only. */
853 gfc_charlen
*cl
; /* For character types only. */
857 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
864 /* Array specification. */
867 int rank
; /* A rank of zero means that a variable is a scalar. */
869 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
871 /* These two fields are used with the Cray Pointer extension. */
872 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
873 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
874 AS_EXPLICIT, but we want to remember that we
880 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
883 /* Components of derived types. */
884 typedef struct gfc_component
889 symbol_attribute attr
;
894 struct gfc_expr
*initializer
;
895 struct gfc_component
*next
;
897 /* Needed for procedure pointer components. */
898 struct gfc_formal_arglist
*formal
;
899 struct gfc_namespace
*formal_ns
;
900 struct gfc_typebound_proc
*tb
;
904 #define gfc_get_component() XCNEW (gfc_component)
906 /* Formal argument lists are lists of symbols. */
907 typedef struct gfc_formal_arglist
909 /* Symbol representing the argument at this position in the arglist. */
910 struct gfc_symbol
*sym
;
911 /* Points to the next formal argument. */
912 struct gfc_formal_arglist
*next
;
916 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
919 /* The gfc_actual_arglist structure is for actual arguments. */
920 typedef struct gfc_actual_arglist
923 /* Alternate return label when the expr member is null. */
924 struct gfc_st_label
*label
;
926 /* This is set to the type of an eventual omitted optional
927 argument. This is used to determine if a hidden string length
928 argument has to be added to a function call. */
931 struct gfc_expr
*expr
;
932 struct gfc_actual_arglist
*next
;
936 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
939 /* Because a symbol can belong to multiple namelists, they must be
940 linked externally to the symbol itself. */
941 typedef struct gfc_namelist
943 struct gfc_symbol
*sym
;
944 struct gfc_namelist
*next
;
948 #define gfc_get_namelist() XCNEW (gfc_namelist)
953 OMP_LIST_FIRSTPRIVATE
,
954 OMP_LIST_LASTPRIVATE
,
955 OMP_LIST_COPYPRIVATE
,
959 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
971 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
975 /* Because a symbol can belong to multiple namelists, they must be
976 linked externally to the symbol itself. */
978 enum gfc_omp_sched_kind
988 enum gfc_omp_default_sharing
994 OMP_DEFAULT_FIRSTPRIVATE
997 typedef struct gfc_omp_clauses
999 struct gfc_expr
*if_expr
;
1000 struct gfc_expr
*num_threads
;
1001 gfc_namelist
*lists
[OMP_LIST_NUM
];
1002 enum gfc_omp_sched_kind sched_kind
;
1003 struct gfc_expr
*chunk_size
;
1004 enum gfc_omp_default_sharing default_sharing
;
1006 bool nowait
, ordered
, untied
;
1010 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1013 /* The gfc_st_label structure is a BBT attached to a namespace that
1014 records the usage of statement labels within that space. */
1016 typedef struct gfc_st_label
1018 BBT_HEADER(gfc_st_label
);
1022 gfc_sl_type defined
, referenced
;
1024 struct gfc_expr
*format
;
1033 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1034 typedef struct gfc_interface
1036 struct gfc_symbol
*sym
;
1038 struct gfc_interface
*next
;
1042 #define gfc_get_interface() XCNEW (gfc_interface)
1044 /* User operator nodes. These are like stripped down symbols. */
1050 struct gfc_namespace
*ns
;
1056 /* A list of specific bindings that are associated with a generic spec. */
1057 typedef struct gfc_tbp_generic
1059 /* The parser sets specific_st, upon resolution we look for the corresponding
1060 gfc_typebound_proc and set specific for further use. */
1061 struct gfc_symtree
* specific_st
;
1062 struct gfc_typebound_proc
* specific
;
1064 struct gfc_tbp_generic
* next
;
1068 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1071 /* Data needed for type-bound procedures. */
1072 typedef struct gfc_typebound_proc
1074 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1078 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1079 gfc_tbp_generic
* generic
;
1084 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1086 /* The overridden type-bound proc (or GENERIC with this name in the
1087 parent-type) or NULL if non. */
1088 struct gfc_typebound_proc
* overridden
;
1090 /* Once resolved, we use the position of pass_arg in the formal arglist of
1091 the binding-target procedure to identify it. The first argument has
1092 number 1 here, the second 2, and so on. */
1093 unsigned pass_arg_num
;
1095 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1096 unsigned non_overridable
:1;
1097 unsigned deferred
:1;
1098 unsigned is_generic
:1;
1099 unsigned function
:1, subroutine
:1;
1100 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1106 /* Symbol nodes. These are important things. They are what the
1107 standard refers to as "entities". The possibly multiple names that
1108 refer to the same entity are accomplished by a binary tree of
1109 symtree structures that is balanced by the red-black method-- more
1110 than one symtree node can point to any given symbol. */
1112 typedef struct gfc_symbol
1114 const char *name
; /* Primary name, before renaming */
1115 const char *module
; /* Module this symbol came from */
1119 symbol_attribute attr
;
1121 /* The formal member points to the formal argument list if the
1122 symbol is a function or subroutine name. If the symbol is a
1123 generic name, the generic member points to the list of
1126 gfc_interface
*generic
;
1127 gfc_access component_access
;
1129 gfc_formal_arglist
*formal
;
1130 struct gfc_namespace
*formal_ns
;
1131 struct gfc_namespace
*f2k_derived
;
1133 struct gfc_expr
*value
; /* Parameter/Initializer value */
1135 struct gfc_symbol
*result
; /* function result symbol */
1136 gfc_component
*components
; /* Derived type components */
1138 /* Defined only for Cray pointees; points to their pointer. */
1139 struct gfc_symbol
*cp_pointer
;
1141 int entry_id
; /* Used in resolve.c for entries. */
1143 /* CLASS hashed name for declared and dynamic types in the class. */
1146 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1148 /* This is in fact a gfc_common_head but it is only used for pointer
1149 comparisons to check if symbols are in the same common block. */
1150 struct gfc_common_head
* common_head
;
1152 /* Make sure setup code for dummy arguments is generated in the correct
1156 gfc_namelist
*namelist
, *namelist_tail
;
1158 /* Change management fields. Symbols that might be modified by the
1159 current statement have the mark member nonzero and are kept in a
1160 singly linked list through the tlink field. Of these symbols,
1161 symbols with old_symbol equal to NULL are symbols created within
1162 the current statement. Otherwise, old_symbol points to a copy of
1165 struct gfc_symbol
*old_symbol
, *tlink
;
1166 unsigned mark
:1, gfc_new
:1;
1167 /* Nonzero if all equivalences associated with this symbol have been
1169 unsigned equiv_built
:1;
1170 /* Set if this variable is used as an index name in a FORALL. */
1171 unsigned forall_index
:1;
1173 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1177 /* Identity of the intrinsic module the symbol comes from, or
1178 INTMOD_NONE if it's not imported from a intrinsic module. */
1179 intmod_id from_intmod
;
1180 /* Identity of the symbol from intrinsic modules, from enums maintained
1181 separately by each intrinsic module. Used together with from_intmod,
1182 it uniquely identifies a symbol from an intrinsic module. */
1185 /* This may be repetitive, since the typespec now has a binding
1187 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1188 /* Store a reference to the common_block, if this symbol is in one. */
1189 struct gfc_common_head
*common_block
;
1194 /* This structure is used to keep track of symbols in common blocks. */
1195 typedef struct gfc_common_head
1198 char use_assoc
, saved
, threadprivate
;
1199 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1200 struct gfc_symbol
*head
;
1201 char binding_label
[GFC_MAX_BINDING_LABEL_LEN
+ 1];
1206 #define gfc_get_common_head() XCNEW (gfc_common_head)
1209 /* A list of all the alternate entry points for a procedure. */
1211 typedef struct gfc_entry_list
1213 /* The symbol for this entry point. */
1215 /* The zero-based id of this entry point. */
1217 /* The LABEL_EXPR marking this entry point. */
1219 /* The next item in the list. */
1220 struct gfc_entry_list
*next
;
1224 #define gfc_get_entry_list() \
1225 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
1227 /* Lists of rename info for the USE statement. */
1229 typedef struct gfc_use_rename
1231 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1232 struct gfc_use_rename
*next
;
1234 gfc_intrinsic_op op
;
1239 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1241 /* A list of all USE statements in a namespace. */
1243 typedef struct gfc_use_list
1245 const char *module_name
;
1247 struct gfc_use_rename
*rename
;
1249 /* Next USE statement. */
1250 struct gfc_use_list
*next
;
1254 #define gfc_get_use_list() \
1255 (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list))
1257 /* Within a namespace, symbols are pointed to by symtree nodes that
1258 are linked together in a balanced binary tree. There can be
1259 several symtrees pointing to the same symbol node via USE
1262 typedef struct gfc_symtree
1264 BBT_HEADER (gfc_symtree
);
1269 gfc_symbol
*sym
; /* Symbol associated with this node */
1271 gfc_common_head
*common
;
1272 gfc_typebound_proc
*tb
;
1278 /* A linked list of derived types in the namespace. */
1279 typedef struct gfc_dt_list
1281 struct gfc_symbol
*derived
;
1282 struct gfc_dt_list
*next
;
1286 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1288 /* A list of all derived types. */
1289 extern gfc_dt_list
*gfc_derived_types
;
1291 /* A namespace describes the contents of procedure, module, interface block
1292 or BLOCK construct. */
1293 /* ??? Anything else use these? */
1295 typedef struct gfc_namespace
1297 /* Tree containing all the symbols in this namespace. */
1298 gfc_symtree
*sym_root
;
1299 /* Tree containing all the user-defined operators in the namespace. */
1300 gfc_symtree
*uop_root
;
1301 /* Tree containing all the common blocks. */
1302 gfc_symtree
*common_root
;
1304 /* Tree containing type-bound procedures. */
1305 gfc_symtree
*tb_sym_root
;
1306 /* Type-bound user operators. */
1307 gfc_symtree
*tb_uop_root
;
1308 /* For derived-types, store type-bound intrinsic operators here. */
1309 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1310 /* Linked list of finalizer procedures. */
1311 struct gfc_finalizer
*finalizers
;
1313 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1314 int set_flag
[GFC_LETTERS
];
1315 /* Keeps track of the implicit types associated with the letters. */
1316 gfc_typespec default_type
[GFC_LETTERS
];
1317 /* Store the positions of IMPLICIT statements. */
1318 locus implicit_loc
[GFC_LETTERS
];
1320 /* If this is a namespace of a procedure, this points to the procedure. */
1321 struct gfc_symbol
*proc_name
;
1322 /* If this is the namespace of a unit which contains executable
1323 code, this points to it. */
1324 struct gfc_code
*code
;
1326 /* Points to the equivalences set up in this namespace. */
1327 struct gfc_equiv
*equiv
;
1329 /* Points to the equivalence groups produced by trans_common. */
1330 struct gfc_equiv_list
*equiv_lists
;
1332 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1334 /* Points to the parent namespace, i.e. the namespace of a module or
1335 procedure in which the procedure belonging to this namespace is
1336 contained. The parent namespace points to this namespace either
1337 directly via CONTAINED, or indirectly via the chain built by
1339 struct gfc_namespace
*parent
;
1340 /* CONTAINED points to the first contained namespace. Sibling
1341 namespaces are chained via SIBLING. */
1342 struct gfc_namespace
*contained
, *sibling
;
1344 gfc_common_head blank_common
;
1345 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1347 gfc_st_label
*st_labels
;
1348 /* This list holds information about all the data initializers in
1350 struct gfc_data
*data
;
1352 gfc_charlen
*cl_list
, *old_cl_list
;
1354 gfc_dt_list
*derived_types
;
1356 int save_all
, seen_save
, seen_implicit_none
;
1358 /* Normally we don't need to refcount namespaces. However when we read
1359 a module containing a function with multiple entry points, this
1360 will appear as several functions with the same formal namespace. */
1363 /* A list of all alternate entry points to this procedure (or NULL). */
1364 gfc_entry_list
*entries
;
1366 /* A list of USE statements in this namespace. */
1367 gfc_use_list
*use_stmts
;
1369 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1370 unsigned is_block_data
:1;
1372 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1373 unsigned has_import_set
:1;
1375 /* Set to 1 if resolved has been called for this namespace.
1376 Holds -1 during resolution. */
1379 /* Set to 1 if code has been generated for this namespace. */
1380 unsigned translated
:1;
1382 /* Set to 1 if symbols in this namespace should be 'construct entities',
1383 i.e. for BLOCK local variables. */
1384 unsigned construct_entities
:1;
1388 extern gfc_namespace
*gfc_current_ns
;
1389 extern gfc_namespace
*gfc_global_ns_list
;
1391 /* Global symbols are symbols of global scope. Currently we only use
1392 this to detect collisions already when parsing.
1393 TODO: Extend to verify procedure calls. */
1395 enum gfc_symbol_type
1397 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1398 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1401 typedef struct gfc_gsymbol
1403 BBT_HEADER(gfc_gsymbol
);
1406 const char *sym_name
;
1407 const char *mod_name
;
1408 const char *binding_label
;
1409 enum gfc_symbol_type type
;
1417 extern gfc_gsymbol
*gfc_gsym_root
;
1419 /* Information on interfaces being built. */
1422 interface_type type
;
1426 gfc_intrinsic_op op
;
1430 extern gfc_interface_info current_interface
;
1433 /* Array reference. */
1435 enum gfc_array_ref_dimen_type
1437 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_UNKNOWN
1440 typedef struct gfc_array_ref
1443 int dimen
; /* # of components in the reference */
1447 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1448 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1449 *stride
[GFC_MAX_DIMENSIONS
];
1451 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1453 struct gfc_expr
*offset
;
1457 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1460 /* Component reference nodes. A variable is stored as an expression
1461 node that points to the base symbol. After that, a singly linked
1462 list of component reference nodes gives the variable's complete
1463 resolution. The array_ref component may be present and comes
1464 before the component component. */
1467 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1470 typedef struct gfc_ref
1476 struct gfc_array_ref ar
;
1480 gfc_component
*component
;
1487 struct gfc_expr
*start
, *end
; /* Substring */
1488 gfc_charlen
*length
;
1495 struct gfc_ref
*next
;
1499 #define gfc_get_ref() XCNEW (gfc_ref)
1502 /* Structures representing intrinsic symbols and their arguments lists. */
1503 typedef struct gfc_intrinsic_arg
1505 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1509 ENUM_BITFIELD (sym_intent
) intent
:2;
1510 gfc_actual_arglist
*actual
;
1512 struct gfc_intrinsic_arg
*next
;
1518 /* Specifies the various kinds of check functions used to verify the
1519 argument lists of intrinsic functions. fX with X an integer refer
1520 to check functions of intrinsics with X arguments. f1m is used for
1521 the MAX and MIN intrinsics which can have an arbitrary number of
1522 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1523 these have special semantics. */
1527 gfc_try (*f0
)(void);
1528 gfc_try (*f1
)(struct gfc_expr
*);
1529 gfc_try (*f1m
)(gfc_actual_arglist
*);
1530 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1531 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1532 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1533 gfc_try (*f3red
)(gfc_actual_arglist
*);
1534 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1536 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1537 struct gfc_expr
*, struct gfc_expr
*);
1541 /* Like gfc_check_f, these specify the type of the simplification
1542 function associated with an intrinsic. The fX are just like in
1543 gfc_check_f. cc is used for type conversion functions. */
1547 struct gfc_expr
*(*f0
)(void);
1548 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1549 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1550 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1552 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1553 struct gfc_expr
*, struct gfc_expr
*);
1554 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1555 struct gfc_expr
*, struct gfc_expr
*,
1557 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1561 /* Again like gfc_check_f, these specify the type of the resolution
1562 function associated with an intrinsic. The fX are just like in
1563 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1567 void (*f0
)(struct gfc_expr
*);
1568 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1569 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1570 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1571 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1573 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1574 struct gfc_expr
*, struct gfc_expr
*);
1575 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1576 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1577 void (*s1
)(struct gfc_code
*);
1582 typedef struct gfc_intrinsic_sym
1584 const char *name
, *lib_name
;
1585 gfc_intrinsic_arg
*formal
;
1587 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1588 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1;
1592 gfc_simplify_f simplify
;
1594 gfc_resolve_f resolve
;
1595 struct gfc_intrinsic_sym
*specific_head
, *next
;
1602 typedef struct gfc_class_esym_list
1604 gfc_symbol
*derived
;
1606 struct gfc_expr
*hash_value
;
1607 struct gfc_class_esym_list
*next
;
1609 gfc_class_esym_list
;
1611 #define gfc_get_class_esym_list() XCNEW (gfc_class_esym_list)
1613 /* Expression nodes. The expression node types deserve explanations,
1614 since the last couple can be easily misconstrued:
1616 EXPR_OP Operator node pointing to one or two other nodes
1617 EXPR_FUNCTION Function call, symbol points to function's name
1618 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1619 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1620 which expresses structure, array and substring refs.
1621 EXPR_NULL The NULL pointer value (which also has a basic type).
1622 EXPR_SUBSTRING A substring of a constant string
1623 EXPR_STRUCTURE A structure constructor
1624 EXPR_ARRAY An array constructor.
1625 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1626 component or type-bound procedure. */
1631 #define GFC_RND_MODE GMP_RNDN
1632 #define GFC_MPC_RND_MODE MPC_RNDNN
1634 typedef struct gfc_expr
1638 gfc_typespec ts
; /* These two refer to the overall expression */
1641 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1643 /* Nonnull for functions and structure constructors, may also used to hold the
1644 base-object for component calls. */
1645 gfc_symtree
*symtree
;
1651 /* True if the expression is a call to a function that returns an array,
1652 and if we have decided not to allocate temporary data for that array.
1653 is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
1654 denotes a signalling not-a-number. */
1655 unsigned int inline_noncopying_intrinsic
: 1, is_boz
: 1, is_snan
: 1;
1657 /* Sometimes, when an error has been emitted, it is necessary to prevent
1658 it from recurring. */
1659 unsigned int error
: 1;
1661 /* Mark and expression where a user operator has been substituted by
1662 a function call in interface.c(gfc_extend_expr). */
1663 unsigned int user_operator
: 1;
1665 /* Used to quickly find a given constructor by its offset. */
1666 splay_tree con_by_offset
;
1668 /* If an expression comes from a Hollerith constant or compile-time
1669 evaluation of a transfer statement, it may have a prescribed target-
1670 memory representation, and these cannot always be backformed from
1693 gfc_intrinsic_op op
;
1695 struct gfc_expr
*op1
, *op2
;
1701 gfc_actual_arglist
*actual
;
1702 const char *name
; /* Points to the ultimate name of the function */
1703 gfc_intrinsic_sym
*isym
;
1705 gfc_class_esym_list
*class_esym
;
1711 gfc_actual_arglist
* actual
;
1713 /* Base-object, whose component was called. NULL means that it should
1714 be taken from symtree/ref. */
1715 struct gfc_expr
* base_object
;
1716 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1718 /* For type-bound operators, we want to call PASS procedures but already
1719 have the full arglist; mark this, so that it is not extended by the
1721 unsigned ignore_pass
:1;
1723 /* Do assign-calls rather than calls, that is appropriate dependency
1736 struct gfc_constructor
*constructor
;
1744 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1746 /* Structures for information associated with different kinds of
1747 numbers. The first set of integer parameters define all there is
1748 to know about a particular kind. The rest of the elements are
1749 computed from the first elements. */
1753 /* Values really representable by the target. */
1754 mpz_t huge
, pedantic_min_int
, min_int
;
1756 int kind
, radix
, digits
, bit_size
, range
;
1758 /* True if the C type of the given name maps to this precision.
1759 Note that more than one bit can be set. */
1760 unsigned int c_char
: 1;
1761 unsigned int c_short
: 1;
1762 unsigned int c_int
: 1;
1763 unsigned int c_long
: 1;
1764 unsigned int c_long_long
: 1;
1768 extern gfc_integer_info gfc_integer_kinds
[];
1775 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1776 unsigned int c_bool
: 1;
1780 extern gfc_logical_info gfc_logical_kinds
[];
1785 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1786 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1787 int range
, precision
;
1789 /* The precision of the type as reported by GET_MODE_PRECISION. */
1792 /* True if the C type of the given name maps to this precision.
1793 Note that more than one bit can be set. */
1794 unsigned int c_float
: 1;
1795 unsigned int c_double
: 1;
1796 unsigned int c_long_double
: 1;
1800 extern gfc_real_info gfc_real_kinds
[];
1809 extern gfc_character_info gfc_character_kinds
[];
1812 /* Equivalence structures. Equivalent lvalues are linked along the
1813 *eq pointer, equivalence sets are strung along the *next node. */
1814 typedef struct gfc_equiv
1816 struct gfc_equiv
*next
, *eq
;
1823 #define gfc_get_equiv() XCNEW (gfc_equiv)
1825 /* Holds a single equivalence member after processing. */
1826 typedef struct gfc_equiv_info
1829 HOST_WIDE_INT offset
;
1830 HOST_WIDE_INT length
;
1831 struct gfc_equiv_info
*next
;
1834 /* Holds equivalence groups, after they have been processed. */
1835 typedef struct gfc_equiv_list
1837 gfc_equiv_info
*equiv
;
1838 struct gfc_equiv_list
*next
;
1841 /* gfc_case stores the selector list of a case statement. The *low
1842 and *high pointers can point to the same expression in the case of
1843 a single value. If *high is NULL, the selection is from *low
1844 upwards, if *low is NULL the selection is *high downwards.
1846 This structure has separate fields to allow single and double linked
1847 lists of CASEs at the same time. The singe linked list along the NEXT
1848 field is a list of cases for a single CASE label. The double linked
1849 list along the LEFT/RIGHT fields is used to detect overlap and to
1850 build a table of the cases for SELECT constructs with a CHARACTER
1853 typedef struct gfc_case
1855 /* Where we saw this case. */
1859 /* Case range values. If (low == high), it's a single value. If one of
1860 the labels is NULL, it's an unbounded case. If both are NULL, this
1861 represents the default case. */
1862 gfc_expr
*low
, *high
;
1864 /* Only used for SELECT TYPE. */
1867 /* Next case label in the list of cases for a single CASE label. */
1868 struct gfc_case
*next
;
1870 /* Used for detecting overlap, and for code generation. */
1871 struct gfc_case
*left
, *right
;
1873 /* True if this case label can never be matched. */
1878 #define gfc_get_case() XCNEW (gfc_case)
1883 gfc_expr
*var
, *start
, *end
, *step
;
1887 #define gfc_get_iterator() XCNEW (gfc_iterator)
1890 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1892 typedef struct gfc_alloc
1895 struct gfc_alloc
*next
;
1899 #define gfc_get_alloc() XCNEW (gfc_alloc)
1904 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1905 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1906 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1914 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1922 gfc_expr
*unit
, *iostat
, *iomsg
;
1930 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1931 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1932 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1933 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
1934 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
;
1944 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
1945 gfc_st_label
*err
, *end
, *eor
;
1952 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
1953 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
1954 *sign
, *extra_comma
;
1956 gfc_symbol
*namelist
;
1957 /* A format_label of `format_asterisk' indicates the "*" format */
1958 gfc_st_label
*format_label
;
1959 gfc_st_label
*err
, *end
, *eor
;
1961 locus eor_where
, end_where
, err_where
;
1966 typedef struct gfc_forall_iterator
1968 gfc_expr
*var
, *start
, *end
, *stride
;
1969 struct gfc_forall_iterator
*next
;
1971 gfc_forall_iterator
;
1974 /* Executable statements that fill gfc_code structures. */
1977 EXEC_NOP
= 1, EXEC_END_BLOCK
, EXEC_ASSIGN
, EXEC_LABEL_ASSIGN
,
1978 EXEC_POINTER_ASSIGN
,
1979 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
1980 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
1981 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_WHILE
, EXEC_SELECT
, EXEC_BLOCK
,
1982 EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
, EXEC_CALL_PPC
,
1983 EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
, EXEC_SELECT_TYPE
,
1984 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
1985 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
1986 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
1987 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
1988 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
1989 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
1990 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
1991 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
1992 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
1996 typedef struct gfc_code
2000 struct gfc_code
*block
, *next
;
2003 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2004 gfc_symtree
*symtree
;
2005 gfc_expr
*expr1
, *expr2
, *expr3
;
2006 /* A name isn't sufficient to identify a subroutine, we need the actual
2007 symbol for the interface definition.
2008 const char *sub_name; */
2009 gfc_symbol
*resolved_sym
;
2010 gfc_intrinsic_sym
*resolved_isym
;
2014 gfc_actual_arglist
*actual
;
2015 gfc_case
*case_list
;
2016 gfc_iterator
*iterator
;
2027 gfc_filepos
*filepos
;
2028 gfc_inquire
*inquire
;
2031 gfc_forall_iterator
*forall_iterator
;
2032 struct gfc_code
*whichloop
;
2034 gfc_entry_list
*entry
;
2035 gfc_omp_clauses
*omp_clauses
;
2036 const char *omp_name
;
2037 gfc_namelist
*omp_namelist
;
2041 ext
; /* Points to additional structures required by statement */
2043 /* Backend_decl is used for cycle and break labels in do loops, and
2044 probably for other constructs as well, once we translate them. */
2050 /* Storage for DATA statements. */
2051 typedef struct gfc_data_variable
2055 struct gfc_data_variable
*list
, *next
;
2060 typedef struct gfc_data_value
2064 struct gfc_data_value
*next
;
2069 typedef struct gfc_data
2071 gfc_data_variable
*var
;
2072 gfc_data_value
*value
;
2075 struct gfc_data
*next
;
2080 /* Structure for holding compile options */
2084 gfc_source_form source_form
;
2085 /* Maximum line lengths in fixed- and free-form source, respectively.
2086 When fixed_line_length or free_line_length are 0, the whole line is used,
2087 regardless of length.
2089 If the user requests a fixed_line_length <7 then gfc_init_options()
2090 emits a fatal error. */
2091 int fixed_line_length
;
2092 int free_line_length
;
2093 /* Maximum number of continuation lines in fixed- and free-form source,
2095 int max_continue_fixed
;
2096 int max_continue_free
;
2097 int max_identifier_length
;
2098 int dump_parse_tree
;
2102 int warn_conversion
;
2103 int warn_implicit_interface
;
2104 int warn_implicit_procedure
;
2105 int warn_line_truncation
;
2106 int warn_surprising
;
2109 int warn_intrinsic_shadow
;
2110 int warn_intrinsics_std
;
2111 int warn_character_truncation
;
2112 int warn_array_temp
;
2113 int warn_align_commons
;
2116 int flag_all_intrinsics
;
2117 int flag_default_double
;
2118 int flag_default_integer
;
2119 int flag_default_real
;
2121 int flag_underscoring
;
2122 int flag_second_underscore
;
2123 int flag_implicit_none
;
2124 int flag_max_stack_var_size
;
2125 int flag_max_array_constructor
;
2126 int flag_range_check
;
2127 int flag_pack_derived
;
2128 int flag_repack_arrays
;
2129 int flag_preprocessed
;
2134 int flag_allow_leading_underscore
;
2136 int flag_external_blas
;
2137 int blas_matmul_limit
;
2138 int flag_cray_pointer
;
2142 int flag_module_private
;
2144 int flag_init_local_zero
;
2145 int flag_init_integer
;
2146 int flag_init_integer_value
;
2148 int flag_init_logical
;
2149 int flag_init_character
;
2150 char flag_init_character_value
;
2151 int flag_align_commons
;
2152 int flag_whole_file
;
2153 int flag_protect_parens
;
2162 int max_subrecord_length
;
2166 extern gfc_option_t gfc_option
;
2168 /* Constructor nodes for array and structure constructors. */
2169 typedef struct gfc_constructor
2172 gfc_iterator
*iterator
;
2174 struct gfc_constructor
*next
;
2177 mpz_t offset
; /* Record the offset of array element which appears in
2178 data statement like "data a(5)/4/". */
2179 gfc_component
*component
; /* Record the component being initialized. */
2182 mpz_t repeat
; /* Record the repeat number of initial values in data
2183 statement like "data a/5*10/". */
2188 typedef struct iterator_stack
2190 gfc_symtree
*variable
;
2192 struct iterator_stack
*prev
;
2195 extern iterator_stack
*iter_stack
;
2198 /* Used for (possibly nested) SELECT TYPE statements. */
2199 typedef struct gfc_select_type_stack
2201 gfc_symbol
*selector
; /* Current selector variable. */
2202 gfc_symtree
*tmp
; /* Current temporary variable. */
2203 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2205 gfc_select_type_stack
;
2206 extern gfc_select_type_stack
*select_type_stack
;
2207 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2210 /* Node in the linked list used for storing finalizer procedures. */
2212 typedef struct gfc_finalizer
2214 struct gfc_finalizer
* next
;
2215 locus where
; /* Where the FINAL declaration occurred. */
2217 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2218 symtree and later need only that. This way, we can access and call the
2219 finalizers from every context as they should be "always accessible". I
2220 don't make this a union because we need the information whether proc_sym is
2221 still referenced or not for dereferencing it on deleting a gfc_finalizer
2223 gfc_symbol
* proc_sym
;
2224 gfc_symtree
* proc_tree
;
2227 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2230 /************************ Function prototypes *************************/
2233 bool gfc_in_match_data (void);
2234 match
gfc_match_char_spec (gfc_typespec
*);
2237 void gfc_scanner_done_1 (void);
2238 void gfc_scanner_init_1 (void);
2240 void gfc_add_include_path (const char *, bool, bool);
2241 void gfc_add_intrinsic_modules_path (const char *);
2242 void gfc_release_include_path (void);
2243 FILE *gfc_open_included_file (const char *, bool, bool);
2244 FILE *gfc_open_intrinsic_module (const char *);
2246 int gfc_at_end (void);
2247 int gfc_at_eof (void);
2248 int gfc_at_bol (void);
2249 int gfc_at_eol (void);
2250 void gfc_advance_line (void);
2251 int gfc_check_include (void);
2252 int gfc_define_undef_line (void);
2254 int gfc_wide_is_printable (gfc_char_t
);
2255 int gfc_wide_is_digit (gfc_char_t
);
2256 int gfc_wide_fits_in_byte (gfc_char_t
);
2257 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2258 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2259 size_t gfc_wide_strlen (const gfc_char_t
*);
2260 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2261 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2262 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2263 gfc_char_t
*gfc_char_to_widechar (const char *);
2265 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2267 void gfc_skip_comments (void);
2268 gfc_char_t
gfc_next_char_literal (int);
2269 gfc_char_t
gfc_next_char (void);
2270 char gfc_next_ascii_char (void);
2271 gfc_char_t
gfc_peek_char (void);
2272 char gfc_peek_ascii_char (void);
2273 void gfc_error_recovery (void);
2274 void gfc_gobble_whitespace (void);
2275 gfc_try
gfc_new_file (void);
2276 const char * gfc_read_orig_filename (const char *, const char **);
2278 extern gfc_source_form gfc_current_form
;
2279 extern const char *gfc_source_file
;
2280 extern locus gfc_current_locus
;
2282 void gfc_start_source_files (void);
2283 void gfc_end_source_files (void);
2286 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC
;
2287 void gfc_free (void *);
2288 int gfc_terminal_width (void);
2289 void gfc_clear_ts (gfc_typespec
*);
2290 FILE *gfc_open_file (const char *);
2291 const char *gfc_basic_typename (bt
);
2292 const char *gfc_typename (gfc_typespec
*);
2293 const char *gfc_op2string (gfc_intrinsic_op
);
2294 const char *gfc_code2string (const mstring
*, int);
2295 int gfc_string2code (const mstring
*, const char *);
2296 const char *gfc_intent_string (sym_intent
);
2298 void gfc_init_1 (void);
2299 void gfc_init_2 (void);
2300 void gfc_done_1 (void);
2301 void gfc_done_2 (void);
2303 int get_c_kind (const char *, CInteropKind_t
*);
2306 unsigned int gfc_init_options (unsigned int, const char **);
2307 int gfc_handle_option (size_t, const char *, int);
2308 bool gfc_post_options (const char **);
2311 void gfc_maybe_initialize_eh (void);
2314 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2315 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2319 typedef struct gfc_error_buf
2322 size_t allocated
, index
;
2326 void gfc_error_init_1 (void);
2327 void gfc_buffer_error (int);
2329 const char *gfc_print_wide_char (gfc_char_t
);
2331 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2332 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2333 void gfc_clear_warning (void);
2334 void gfc_warning_check (void);
2336 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2337 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2338 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2339 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2340 void gfc_clear_error (void);
2341 int gfc_error_check (void);
2342 int gfc_error_flag_test (void);
2344 notification
gfc_notification_std (int);
2345 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2347 /* A general purpose syntax error. */
2348 #define gfc_syntax_error(ST) \
2349 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2351 void gfc_push_error (gfc_error_buf
*);
2352 void gfc_pop_error (gfc_error_buf
*);
2353 void gfc_free_error (gfc_error_buf
*);
2355 void gfc_get_errors (int *, int *);
2356 void gfc_errors_to_warnings (int);
2359 void gfc_arith_init_1 (void);
2360 void gfc_arith_done_1 (void);
2361 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2362 bool gfc_check_character_range (gfc_char_t
, int);
2365 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2366 int gfc_validate_kind (bt
, int, bool);
2367 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2368 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2369 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2370 extern int gfc_index_integer_kind
;
2371 extern int gfc_default_integer_kind
;
2372 extern int gfc_max_integer_kind
;
2373 extern int gfc_default_real_kind
;
2374 extern int gfc_default_double_kind
;
2375 extern int gfc_default_character_kind
;
2376 extern int gfc_default_logical_kind
;
2377 extern int gfc_default_complex_kind
;
2378 extern int gfc_c_int_kind
;
2379 extern int gfc_intio_kind
;
2380 extern int gfc_charlen_int_kind
;
2381 extern int gfc_numeric_storage_size
;
2382 extern int gfc_character_storage_size
;
2385 void gfc_clear_new_implicit (void);
2386 gfc_try
gfc_add_new_implicit_range (int, int);
2387 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2388 void gfc_set_implicit_none (void);
2389 void gfc_check_function_type (gfc_namespace
*);
2390 bool gfc_is_intrinsic_typename (const char *);
2392 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2393 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2395 void gfc_set_sym_referenced (gfc_symbol
*);
2397 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2398 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2399 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2400 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2401 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2402 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2403 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2404 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2405 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2406 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2407 match
gfc_mod_pointee_as (gfc_array_spec
*);
2408 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2409 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2410 gfc_try
gfc_add_save (symbol_attribute
*, const char *, locus
*);
2411 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2412 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2413 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2414 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2415 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2416 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2417 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2418 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2419 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2420 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2421 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2422 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2423 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2424 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2425 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2426 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2427 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2428 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2429 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2430 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2432 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2433 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2434 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2435 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2436 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2437 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2438 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2439 const char *, locus
*);
2440 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2441 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2442 gfc_formal_arglist
*, locus
*);
2443 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2445 void gfc_clear_attr (symbol_attribute
*);
2446 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2447 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2449 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2450 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2451 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2452 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2454 gfc_st_label
*gfc_get_st_label (int);
2455 void gfc_free_st_label (gfc_st_label
*);
2456 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2457 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2459 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2461 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2462 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2463 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2464 void gfc_delete_symtree (gfc_symtree
**, const char *);
2465 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2466 gfc_user_op
*gfc_get_uop (const char *);
2467 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2468 void gfc_free_symbol (gfc_symbol
*);
2469 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2470 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2471 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2472 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2473 gfc_try
verify_c_interop (gfc_typespec
*);
2474 gfc_try
verify_c_interop_param (gfc_symbol
*);
2475 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2476 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2477 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2478 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2479 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, char *, int);
2480 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2481 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2482 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2484 int gfc_symbols_could_alias (gfc_symbol
*, gfc_symbol
*);
2486 void gfc_undo_symbols (void);
2487 void gfc_commit_symbols (void);
2488 void gfc_commit_symbol (gfc_symbol
*);
2489 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2490 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2491 void gfc_free_namespace (gfc_namespace
*);
2493 void gfc_symbol_init_2 (void);
2494 void gfc_symbol_done_2 (void);
2496 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2497 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2498 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2499 void gfc_save_all (gfc_namespace
*);
2501 void gfc_symbol_state (void);
2502 void gfc_free_dt_list (void);
2505 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2506 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2508 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2510 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2511 gfc_typebound_proc
* gfc_get_typebound_proc (void);
2512 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2513 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2514 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2515 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2516 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2517 const char*, bool, locus
*);
2518 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
2519 const char*, bool, locus
*);
2520 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
2521 gfc_intrinsic_op
, bool,
2523 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2525 void gfc_copy_formal_args (gfc_symbol
*, gfc_symbol
*);
2526 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2527 void gfc_copy_formal_args_ppc (gfc_component
*, gfc_symbol
*);
2529 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2531 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2534 extern int gfc_init_expr
;
2536 /* Given a symbol that we have decided is intrinsic, mark it as such
2537 by placing it into a special module that is otherwise impossible to
2540 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2542 void gfc_intrinsic_init_1 (void);
2543 void gfc_intrinsic_done_1 (void);
2545 char gfc_type_letter (bt
);
2546 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2547 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2548 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2549 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2550 int gfc_generic_intrinsic (const char *);
2551 int gfc_specific_intrinsic (const char *);
2552 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2553 int gfc_intrinsic_actual_ok (const char *, const bool);
2554 gfc_intrinsic_sym
*gfc_find_function (const char *);
2555 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2557 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2558 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2560 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2561 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2564 /* match.c -- FIXME */
2565 void gfc_free_iterator (gfc_iterator
*, int);
2566 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2567 void gfc_free_alloc_list (gfc_alloc
*);
2568 void gfc_free_namelist (gfc_namelist
*);
2569 void gfc_free_equiv (gfc_equiv
*);
2570 void gfc_free_data (gfc_data
*);
2571 void gfc_free_case_list (gfc_case
*);
2573 /* matchexp.c -- FIXME too? */
2574 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2577 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2578 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2579 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2580 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2581 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2584 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2585 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2586 const char *gfc_extract_int (gfc_expr
*, int *);
2587 bool is_subref_array (gfc_expr
*);
2589 void gfc_add_component_ref (gfc_expr
*, const char *);
2590 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2591 void gfc_free_ref_list (gfc_ref
*);
2592 void gfc_type_convert_binary (gfc_expr
*, int);
2593 int gfc_is_constant_expr (gfc_expr
*);
2594 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2595 int gfc_has_vector_index (gfc_expr
*);
2597 gfc_expr
*gfc_get_expr (void);
2598 void gfc_free_expr (gfc_expr
*);
2599 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2600 gfc_expr
*gfc_int_expr (int);
2601 gfc_expr
*gfc_logical_expr (int, locus
*);
2602 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2603 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2604 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2605 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2607 gfc_try
gfc_specification_expr (gfc_expr
*);
2609 int gfc_numeric_ts (gfc_typespec
*);
2610 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2612 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2613 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2614 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2615 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2617 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2618 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2620 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2622 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2623 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2625 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2626 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2627 void gfc_expr_replace_symbols (gfc_expr
*, gfc_symbol
*);
2628 void gfc_expr_replace_comp (gfc_expr
*, gfc_component
*);
2630 bool gfc_is_proc_ptr_comp (gfc_expr
*, gfc_component
**);
2633 extern gfc_code new_st
;
2635 void gfc_clear_new_st (void);
2636 gfc_code
*gfc_get_code (void);
2637 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2638 void gfc_free_statement (gfc_code
*);
2639 void gfc_free_statements (gfc_code
*);
2642 gfc_try
gfc_resolve_expr (gfc_expr
*);
2643 void gfc_resolve (gfc_namespace
*);
2644 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2645 int gfc_impure_variable (gfc_symbol
*);
2646 int gfc_pure (gfc_symbol
*);
2647 int gfc_elemental (gfc_symbol
*);
2648 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool);
2649 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2650 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2651 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2652 int gfc_is_formal_arg (void);
2653 void gfc_resolve_substring_charlen (gfc_expr
*);
2654 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2655 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2656 bool gfc_type_is_extensible (gfc_symbol
*sym
);
2660 void gfc_free_array_spec (gfc_array_spec
*);
2661 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2663 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2664 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2665 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2667 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2669 gfc_expr
*gfc_start_constructor (bt
, int, locus
*);
2670 void gfc_append_constructor (gfc_expr
*, gfc_expr
*);
2671 void gfc_free_constructor (gfc_constructor
*);
2672 void gfc_simplify_iterator_var (gfc_expr
*);
2673 gfc_try
gfc_expand_constructor (gfc_expr
*);
2674 int gfc_constant_ac (gfc_expr
*);
2675 int gfc_expanded_ac (gfc_expr
*);
2676 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2677 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2678 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2679 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2680 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2681 gfc_constructor
*gfc_copy_constructor (gfc_constructor
*);
2682 gfc_expr
*gfc_get_array_element (gfc_expr
*, int);
2683 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2684 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2685 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2686 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2687 void gfc_insert_constructor (gfc_expr
*, gfc_constructor
*);
2688 gfc_constructor
*gfc_get_constructor (void);
2689 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2690 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2691 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2692 int gfc_is_compile_time_shape (gfc_array_spec
*);
2694 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*);
2697 /* interface.c -- FIXME: some of these should be in symbol.c */
2698 void gfc_free_interface (gfc_interface
*);
2699 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2700 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2701 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2703 void gfc_check_interfaces (gfc_namespace
*);
2704 void gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2705 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2706 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2707 gfc_actual_arglist
**);
2708 gfc_try
gfc_extend_expr (gfc_expr
*, bool *);
2709 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2710 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2711 gfc_try
gfc_add_interface (gfc_symbol
*);
2712 gfc_interface
*gfc_current_interface_head (void);
2713 void gfc_set_current_interface_head (gfc_interface
*);
2714 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2715 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2716 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2719 extern gfc_st_label format_asterisk
;
2721 void gfc_free_open (gfc_open
*);
2722 gfc_try
gfc_resolve_open (gfc_open
*);
2723 void gfc_free_close (gfc_close
*);
2724 gfc_try
gfc_resolve_close (gfc_close
*);
2725 void gfc_free_filepos (gfc_filepos
*);
2726 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2727 void gfc_free_inquire (gfc_inquire
*);
2728 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2729 void gfc_free_dt (gfc_dt
*);
2730 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2731 void gfc_free_wait (gfc_wait
*);
2732 gfc_try
gfc_resolve_wait (gfc_wait
*);
2735 void gfc_module_init_2 (void);
2736 void gfc_module_done_2 (void);
2737 void gfc_dump_module (const char *, int);
2738 bool gfc_check_access (gfc_access
, gfc_access
);
2739 void gfc_free_use_stmts (gfc_use_list
*);
2742 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2743 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2744 match
gfc_match_rvalue (gfc_expr
**);
2745 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2746 int gfc_check_digit (char, int);
2747 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2750 void gfc_generate_code (gfc_namespace
*);
2751 void gfc_generate_module_code (gfc_namespace
*);
2754 typedef int (*compare_fn
) (void *, void *);
2755 void gfc_insert_bbt (void *, void *, compare_fn
);
2756 void gfc_delete_bbt (void *, void *, compare_fn
);
2758 /* dump-parse-tree.c */
2759 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2762 gfc_try
gfc_parse_file (void);
2763 void gfc_global_used (gfc_gsymbol
*, locus
*);
2766 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2767 int gfc_is_data_pointer (gfc_expr
*);
2770 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2772 #endif /* GCC_GFORTRAN_H */