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 #ifndef GCC_CORETYPES_H
33 #error "gfortran.h must be included after coretypes.h"
36 /* Declarations common to the front-end and library are put in
37 libgfortran/libgfortran_frontend.h */
38 #include "libgfortran.h"
43 #include "splay-tree.h"
45 /* Major control parameters. */
47 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
48 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
50 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
53 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
56 #define stringize(x) expand_macro(x)
57 #define expand_macro(x) # x
59 /* For the runtime library, a standard prefix is a requirement to
60 avoid cluttering the namespace with things nobody asked for. It's
61 ugly to look at and a pain to type when you add the prefix by hand,
62 so we hide it behind a macro. */
63 #define PREFIX(x) "_gfortran_" x
66 #define BLANK_COMMON_NAME "__BLNK__"
68 /* Macro to initialize an mstring structure. */
69 #define minit(s, t) { s, NULL, t }
71 /* Structure for storing strings to be matched by gfc_match_string. */
82 /*************************** Enums *****************************/
84 /* Used when matching and resolving data I/O transfer statements. */
87 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
90 /* The author remains confused to this day about the convention of
91 returning '0' for 'SUCCESS'... or was it the other way around? The
92 following enum makes things much more readable. We also start
93 values off at one instead of zero. */
96 { SUCCESS
= 1, FAILURE
}
99 /* These are flags for identifying whether we are reading a character literal
100 between quotes or normal source code. */
103 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
106 /* This is returned by gfc_notification_std to know if, given the flags
107 that were given (-std=, -pedantic) we should issue an error, a warning
111 { SILENT
, WARNING
, ERROR
}
114 /* Matchers return one of these three values. The difference between
115 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
116 successful, but that something non-syntactic is wrong and an error
117 has already been issued. */
120 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
123 /* Used for different Fortran source forms in places like scanner.c. */
125 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
128 /* Expression node types. */
130 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
131 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
137 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
138 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
144 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
147 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
148 related to shared DO terminations and DO targets which are neither END DO
149 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
151 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
152 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
156 /* Intrinsic operators. */
158 { GFC_INTRINSIC_BEGIN
= 0,
159 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
160 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
161 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
162 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
163 /* ==, /=, >, >=, <, <= */
164 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
165 INTRINSIC_LT
, INTRINSIC_LE
,
166 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
167 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
168 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
169 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
170 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
174 /* This macro is the number of intrinsic operators that exist.
175 Assumptions are made about the numbering of the interface_op enums. */
176 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
178 /* Arithmetic results. */
180 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
181 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
188 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
189 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
190 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
191 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
192 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
193 ST_ENDDO
, ST_IMPLIED_ENDDO
,
194 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
195 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
196 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
197 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
198 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
199 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
200 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
201 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
202 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
203 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
204 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
205 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
206 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
207 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
208 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
209 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
210 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
211 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
212 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
213 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
214 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
,
215 ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
219 /* Types of interfaces that we can have. Assignment interfaces are
220 considered to be intrinsic operators. */
223 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
224 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
228 /* Symbol flavors: these are all mutually exclusive.
229 10 elements = 4 bits. */
230 typedef enum sym_flavor
232 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
233 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
238 /* Procedure types. 7 elements = 3 bits. */
239 typedef enum procedure_type
240 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
241 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
246 typedef enum sym_intent
247 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
252 typedef enum gfc_access
253 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
257 /* Flags to keep track of where an interface came from.
258 3 elements = 2 bits. */
260 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
261 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
262 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
263 with explicit interface. */
267 /* Whether a SAVE attribute was set explicitly or implicitly. */
268 typedef enum save_state
269 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
273 /* Strings for all symbol attributes. We use these for dumping the
274 parse tree, in error messages, and also when reading and writing
275 modules. In symbol.c. */
276 extern const mstring flavors
[];
277 extern const mstring procedures
[];
278 extern const mstring intents
[];
279 extern const mstring access_types
[];
280 extern const mstring ifsrc_types
[];
281 extern const mstring save_status
[];
283 /* Enumeration of all the generic intrinsic functions. Used by the
284 backend for identification of a function. */
288 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
289 the backend (e.g. KIND). */
326 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
327 GFC_ISYM_COMPILER_OPTIONS
,
328 GFC_ISYM_COMPILER_VERSION
,
339 GFC_ISYM_DATE_AND_TIME
,
343 GFC_ISYM_DOT_PRODUCT
,
352 GFC_ISYM_ERFC_SCALED
,
354 GFC_ISYM_EXECUTE_COMMAND_LINE
,
358 GFC_ISYM_EXTENDS_TYPE_OF
,
375 GFC_ISYM_GET_COMMAND
,
376 GFC_ISYM_GET_COMMAND_ARGUMENT
,
379 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
400 GFC_ISYM_IMAGE_INDEX
,
409 GFC_ISYM_IS_IOSTAT_END
,
410 GFC_ISYM_IS_IOSTAT_EOR
,
445 GFC_ISYM_MAXEXPONENT
,
453 GFC_ISYM_MINEXPONENT
,
478 GFC_ISYM_RANDOM_NUMBER
,
479 GFC_ISYM_RANDOM_SEED
,
488 GFC_ISYM_SAME_TYPE_AS
,
494 GFC_ISYM_SET_EXPONENT
,
513 GFC_ISYM_STORAGE_SIZE
,
518 GFC_ISYM_SYSTEM_CLOCK
,
542 typedef enum gfc_isym_id gfc_isym_id
;
547 GFC_INIT_REAL_OFF
= 0,
552 GFC_INIT_REAL_NEG_INF
558 GFC_INIT_LOGICAL_OFF
= 0,
559 GFC_INIT_LOGICAL_FALSE
,
560 GFC_INIT_LOGICAL_TRUE
566 GFC_INIT_CHARACTER_OFF
= 0,
567 GFC_INIT_CHARACTER_ON
569 init_local_character
;
573 GFC_INIT_INTEGER_OFF
= 0,
580 GFC_FCOARRAY_NONE
= 0,
595 /************************* Structures *****************************/
597 /* Used for keeping things in balanced binary trees. */
598 #define BBT_HEADER(self) int priority; struct self *left, *right
600 #define NAMED_INTCST(a,b,c,d) a,
601 #define NAMED_KINDARRAY(a,b,c,d) a,
602 #define NAMED_FUNCTION(a,b,c,d) a,
603 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
606 ISOFORTRANENV_INVALID
= -1,
607 #include "iso-fortran-env.def"
608 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
610 iso_fortran_env_symbol
;
612 #undef NAMED_KINDARRAY
613 #undef NAMED_FUNCTION
614 #undef NAMED_DERIVED_TYPE
616 #define NAMED_INTCST(a,b,c,d) a,
617 #define NAMED_REALCST(a,b,c,d) a,
618 #define NAMED_CMPXCST(a,b,c,d) a,
619 #define NAMED_LOGCST(a,b,c) a,
620 #define NAMED_CHARKNDCST(a,b,c) a,
621 #define NAMED_CHARCST(a,b,c) a,
622 #define DERIVED_TYPE(a,b,c) a,
623 #define PROCEDURE(a,b) a,
624 #define NAMED_FUNCTION(a,b,c,d) a,
627 ISOCBINDING_INVALID
= -1,
628 #include "iso-c-binding.def"
630 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
632 iso_c_binding_symbol
;
637 #undef NAMED_CHARKNDCST
641 #undef NAMED_FUNCTION
645 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
651 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
652 int value
; /* Used for both integer and character values. */
657 /* Array of structs, where the structs represent the C interop kinds.
658 The list will be implemented based on a hash of the kind name since
659 these could be accessed multiple times.
660 Declared in trans-types.c as a global, since it's in that file
661 that the list is initialized. */
662 extern CInteropKind_t c_interop_kinds_table
[];
665 /* Structure and list of supported extension attributes. */
668 EXT_ATTR_DLLIMPORT
= 0,
673 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
681 const char *middle_end_name
;
685 extern const ext_attr_t ext_attr_list
[];
687 /* Symbol attribute structure. */
690 /* Variable attributes. */
691 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
692 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
693 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
694 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
697 /* For CLASS containers, the pointer attribute is sometimes set internally
698 even though it was not directly specified. In this case, keep the
699 "real" (original) value here. */
700 unsigned class_pointer
:1;
702 ENUM_BITFIELD (save_state
) save
:2;
704 unsigned data
:1, /* Symbol is named in a DATA statement. */
705 is_protected
:1, /* Symbol has been marked as protected. */
706 use_assoc
:1, /* Symbol has been use-associated. */
707 use_only
:1, /* Symbol has been use-associated, with ONLY. */
708 use_rename
:1, /* Symbol has been use-associated and renamed. */
709 imported
:1, /* Symbol has been associated by IMPORT. */
710 host_assoc
:1; /* Symbol has been host associated. */
712 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
713 unsigned function
:1, subroutine
:1, procedure
:1;
714 unsigned generic
:1, generic_copy
:1;
715 unsigned implicit_type
:1; /* Type defined via implicit rules. */
716 unsigned untyped
:1; /* No implicit type could be found. */
718 unsigned is_bind_c
:1; /* say if is bound to C. */
719 unsigned extension
:8; /* extension level of a derived type. */
720 unsigned is_class
:1; /* is a CLASS container. */
721 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
722 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
723 unsigned vtype
:1; /* is a derived type of a vtab. */
725 /* These flags are both in the typespec and attribute. The attribute
726 list is what gets read from/written to a module file. The typespec
727 is created from a decl being processed. */
728 unsigned is_c_interop
:1; /* It's c interoperable. */
729 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
731 /* Function/subroutine attributes */
732 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
733 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
735 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
736 which is relevant for private module procedures. */
737 unsigned public_used
:1;
739 /* This is set if a contained procedure could be declared pure. This is
740 used for certain optimizations that require the result or arguments
741 cannot alias. Note that this is zero for PURE procedures. */
742 unsigned implicit_pure
:1;
744 /* This is set if the subroutine doesn't return. Currently, this
745 is only possible for intrinsic subroutines. */
748 /* Set if this procedure is an alternate entry point. These procedures
749 don't have any code associated, and the backend will turn them into
750 thunks to the master function. */
753 /* Set if this is the master function for a procedure with multiple
755 unsigned entry_master
:1;
757 /* Set if this is the master function for a function with multiple
758 entry points where characteristics of the entry points differ. */
759 unsigned mixed_entry_master
:1;
761 /* Set if a function must always be referenced by an explicit interface. */
762 unsigned always_explicit
:1;
764 /* Set if the symbol has been referenced in an expression. No further
765 modification of type or type parameters is permitted. */
766 unsigned referenced
:1;
768 /* Set if this is the symbol for the main program. */
769 unsigned is_main_program
:1;
771 /* Mutually exclusive multibit attributes. */
772 ENUM_BITFIELD (gfc_access
) access
:2;
773 ENUM_BITFIELD (sym_intent
) intent
:2;
774 ENUM_BITFIELD (sym_flavor
) flavor
:4;
775 ENUM_BITFIELD (ifsrc
) if_source
:2;
777 ENUM_BITFIELD (procedure_type
) proc
:3;
779 /* Special attributes for Cray pointers, pointees. */
780 unsigned cray_pointer
:1, cray_pointee
:1;
782 /* The symbol is a derived type with allocatable components, pointer
783 components or private components, procedure pointer components,
784 possibly nested. zero_comp is true if the derived type has no
786 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
787 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1;
789 /* This is a temporary selector for SELECT TYPE. */
790 unsigned select_type_temporary
:1;
792 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
793 unsigned ext_attr
:EXT_ATTR_NUM
;
795 /* The namespace where the attribute has been set. */
796 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
801 /* We need to store source lines as sequences of multibyte source
802 characters. We define here a type wide enough to hold any multibyte
803 source character, just like libcpp does. A 32-bit type is enough. */
805 #if HOST_BITS_PER_INT >= 32
806 typedef unsigned int gfc_char_t
;
807 #elif HOST_BITS_PER_LONG >= 32
808 typedef unsigned long gfc_char_t
;
809 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
810 typedef unsigned long long gfc_char_t
;
812 # error "Cannot find an integer type with at least 32 bits"
816 /* The following three structures are used to identify a location in
819 gfc_file is used to maintain a tree of the source files and how
820 they include each other
822 gfc_linebuf holds a single line of source code and information
823 which file it resides in
825 locus point to the sourceline and the character in the source
829 typedef struct gfc_file
831 struct gfc_file
*next
, *up
;
832 int inclusion_line
, line
;
836 typedef struct gfc_linebuf
838 source_location location
;
839 struct gfc_file
*file
;
840 struct gfc_linebuf
*next
;
848 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
850 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
858 /* In order for the "gfc" format checking to work correctly, you must
859 have declared a typedef locus first. */
860 #if GCC_VERSION >= 4001
861 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
863 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
867 /* Suppress error messages or re-enable them. */
869 void gfc_push_suppress_errors (void);
870 void gfc_pop_suppress_errors (void);
873 /* Character length structures hold the expression that gives the
874 length of a character variable. We avoid putting these into
875 gfc_typespec because doing so prevents us from doing structure
876 copies and forces us to deallocate any typespecs we create, as well
877 as structures that contain typespecs. They also can have multiple
878 character typespecs pointing to them.
880 These structures form a singly linked list within the current
881 namespace and are deallocated with the namespace. It is possible to
882 end up with gfc_charlen structures that have nothing pointing to them. */
884 typedef struct gfc_charlen
886 struct gfc_expr
*length
;
887 struct gfc_charlen
*next
;
888 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
890 tree passed_length
; /* Length argument explicitly passed. */
896 #define gfc_get_charlen() XCNEW (gfc_charlen)
898 /* Type specification structure. */
906 struct gfc_symbol
*derived
; /* For derived types only. */
907 gfc_charlen
*cl
; /* For character types only. */
908 int pad
; /* For hollerith types only. */
912 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
920 /* Array specification. */
923 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
925 array_type type
, cotype
;
926 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
928 /* These two fields are used with the Cray Pointer extension. */
929 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
930 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
931 AS_EXPLICIT, but we want to remember that we
937 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
940 /* Components of derived types. */
941 typedef struct gfc_component
946 symbol_attribute attr
;
950 /* Used to cache a FIELD_DECL matching this same component
951 but applied to a different backend containing type that was
952 generated by gfc_nonrestricted_type. */
953 tree norestrict_decl
;
955 struct gfc_expr
*initializer
;
956 struct gfc_component
*next
;
958 /* Needed for procedure pointer components. */
959 struct gfc_formal_arglist
*formal
;
960 struct gfc_namespace
*formal_ns
;
961 struct gfc_typebound_proc
*tb
;
965 #define gfc_get_component() XCNEW (gfc_component)
967 /* Formal argument lists are lists of symbols. */
968 typedef struct gfc_formal_arglist
970 /* Symbol representing the argument at this position in the arglist. */
971 struct gfc_symbol
*sym
;
972 /* Points to the next formal argument. */
973 struct gfc_formal_arglist
*next
;
977 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
980 /* The gfc_actual_arglist structure is for actual arguments. */
981 typedef struct gfc_actual_arglist
984 /* Alternate return label when the expr member is null. */
985 struct gfc_st_label
*label
;
987 /* This is set to the type of an eventual omitted optional
988 argument. This is used to determine if a hidden string length
989 argument has to be added to a function call. */
992 struct gfc_expr
*expr
;
993 struct gfc_actual_arglist
*next
;
997 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1000 /* Because a symbol can belong to multiple namelists, they must be
1001 linked externally to the symbol itself. */
1002 typedef struct gfc_namelist
1004 struct gfc_symbol
*sym
;
1005 struct gfc_namelist
*next
;
1009 #define gfc_get_namelist() XCNEW (gfc_namelist)
1014 OMP_LIST_FIRSTPRIVATE
,
1015 OMP_LIST_LASTPRIVATE
,
1016 OMP_LIST_COPYPRIVATE
,
1020 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1032 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1036 /* Because a symbol can belong to multiple namelists, they must be
1037 linked externally to the symbol itself. */
1039 enum gfc_omp_sched_kind
1049 enum gfc_omp_default_sharing
1051 OMP_DEFAULT_UNKNOWN
,
1053 OMP_DEFAULT_PRIVATE
,
1055 OMP_DEFAULT_FIRSTPRIVATE
1058 typedef struct gfc_omp_clauses
1060 struct gfc_expr
*if_expr
;
1061 struct gfc_expr
*final_expr
;
1062 struct gfc_expr
*num_threads
;
1063 gfc_namelist
*lists
[OMP_LIST_NUM
];
1064 enum gfc_omp_sched_kind sched_kind
;
1065 struct gfc_expr
*chunk_size
;
1066 enum gfc_omp_default_sharing default_sharing
;
1068 bool nowait
, ordered
, untied
, mergeable
;
1072 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1075 /* The gfc_st_label structure is a BBT attached to a namespace that
1076 records the usage of statement labels within that space. */
1078 typedef struct gfc_st_label
1080 BBT_HEADER(gfc_st_label
);
1084 gfc_sl_type defined
, referenced
;
1086 struct gfc_expr
*format
;
1095 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1096 typedef struct gfc_interface
1098 struct gfc_symbol
*sym
;
1100 struct gfc_interface
*next
;
1104 #define gfc_get_interface() XCNEW (gfc_interface)
1106 /* User operator nodes. These are like stripped down symbols. */
1112 struct gfc_namespace
*ns
;
1118 /* A list of specific bindings that are associated with a generic spec. */
1119 typedef struct gfc_tbp_generic
1121 /* The parser sets specific_st, upon resolution we look for the corresponding
1122 gfc_typebound_proc and set specific for further use. */
1123 struct gfc_symtree
* specific_st
;
1124 struct gfc_typebound_proc
* specific
;
1126 struct gfc_tbp_generic
* next
;
1131 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1134 /* Data needed for type-bound procedures. */
1135 typedef struct gfc_typebound_proc
1137 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1141 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1142 gfc_tbp_generic
* generic
;
1147 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1149 /* The overridden type-bound proc (or GENERIC with this name in the
1150 parent-type) or NULL if non. */
1151 struct gfc_typebound_proc
* overridden
;
1153 /* Once resolved, we use the position of pass_arg in the formal arglist of
1154 the binding-target procedure to identify it. The first argument has
1155 number 1 here, the second 2, and so on. */
1156 unsigned pass_arg_num
;
1158 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1159 unsigned non_overridable
:1;
1160 unsigned deferred
:1;
1161 unsigned is_generic
:1;
1162 unsigned function
:1, subroutine
:1;
1163 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1169 /* Symbol nodes. These are important things. They are what the
1170 standard refers to as "entities". The possibly multiple names that
1171 refer to the same entity are accomplished by a binary tree of
1172 symtree structures that is balanced by the red-black method-- more
1173 than one symtree node can point to any given symbol. */
1175 typedef struct gfc_symbol
1177 const char *name
; /* Primary name, before renaming */
1178 const char *module
; /* Module this symbol came from */
1182 symbol_attribute attr
;
1184 /* The formal member points to the formal argument list if the
1185 symbol is a function or subroutine name. If the symbol is a
1186 generic name, the generic member points to the list of
1189 gfc_interface
*generic
;
1190 gfc_access component_access
;
1192 gfc_formal_arglist
*formal
;
1193 struct gfc_namespace
*formal_ns
;
1194 struct gfc_namespace
*f2k_derived
;
1196 struct gfc_expr
*value
; /* Parameter/Initializer value */
1198 struct gfc_symbol
*result
; /* function result symbol */
1199 gfc_component
*components
; /* Derived type components */
1201 /* Defined only for Cray pointees; points to their pointer. */
1202 struct gfc_symbol
*cp_pointer
;
1204 int entry_id
; /* Used in resolve.c for entries. */
1206 /* CLASS hashed name for declared and dynamic types in the class. */
1209 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1211 /* This is in fact a gfc_common_head but it is only used for pointer
1212 comparisons to check if symbols are in the same common block. */
1213 struct gfc_common_head
* common_head
;
1215 /* Make sure setup code for dummy arguments is generated in the correct
1219 gfc_namelist
*namelist
, *namelist_tail
;
1221 /* Change management fields. Symbols that might be modified by the
1222 current statement have the mark member nonzero and are kept in a
1223 singly linked list through the tlink field. Of these symbols,
1224 symbols with old_symbol equal to NULL are symbols created within
1225 the current statement. Otherwise, old_symbol points to a copy of
1228 struct gfc_symbol
*old_symbol
, *tlink
;
1229 unsigned mark
:1, gfc_new
:1;
1230 /* Nonzero if all equivalences associated with this symbol have been
1232 unsigned equiv_built
:1;
1233 /* Set if this variable is used as an index name in a FORALL. */
1234 unsigned forall_index
:1;
1236 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1240 /* Identity of the intrinsic module the symbol comes from, or
1241 INTMOD_NONE if it's not imported from a intrinsic module. */
1242 intmod_id from_intmod
;
1243 /* Identity of the symbol from intrinsic modules, from enums maintained
1244 separately by each intrinsic module. Used together with from_intmod,
1245 it uniquely identifies a symbol from an intrinsic module. */
1248 /* This may be repetitive, since the typespec now has a binding
1250 const char* binding_label
;
1251 /* Store a reference to the common_block, if this symbol is in one. */
1252 struct gfc_common_head
*common_block
;
1254 /* Link to corresponding association-list if this is an associate name. */
1255 struct gfc_association_list
*assoc
;
1260 /* This structure is used to keep track of symbols in common blocks. */
1261 typedef struct gfc_common_head
1264 char use_assoc
, saved
, threadprivate
;
1265 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1266 struct gfc_symbol
*head
;
1267 const char* binding_label
;
1272 #define gfc_get_common_head() XCNEW (gfc_common_head)
1275 /* A list of all the alternate entry points for a procedure. */
1277 typedef struct gfc_entry_list
1279 /* The symbol for this entry point. */
1281 /* The zero-based id of this entry point. */
1283 /* The LABEL_EXPR marking this entry point. */
1285 /* The next item in the list. */
1286 struct gfc_entry_list
*next
;
1290 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1292 /* Lists of rename info for the USE statement. */
1294 typedef struct gfc_use_rename
1296 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1297 struct gfc_use_rename
*next
;
1299 gfc_intrinsic_op op
;
1304 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1306 /* A list of all USE statements in a namespace. */
1308 typedef struct gfc_use_list
1310 const char *module_name
;
1314 struct gfc_use_rename
*rename
;
1316 /* Next USE statement. */
1317 struct gfc_use_list
*next
;
1321 #define gfc_get_use_list() XCNEW (gfc_use_list)
1323 /* Within a namespace, symbols are pointed to by symtree nodes that
1324 are linked together in a balanced binary tree. There can be
1325 several symtrees pointing to the same symbol node via USE
1328 typedef struct gfc_symtree
1330 BBT_HEADER (gfc_symtree
);
1335 gfc_symbol
*sym
; /* Symbol associated with this node */
1337 gfc_common_head
*common
;
1338 gfc_typebound_proc
*tb
;
1344 /* A linked list of derived types in the namespace. */
1345 typedef struct gfc_dt_list
1347 struct gfc_symbol
*derived
;
1348 struct gfc_dt_list
*next
;
1352 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1354 /* A list of all derived types. */
1355 extern gfc_dt_list
*gfc_derived_types
;
1357 /* A namespace describes the contents of procedure, module, interface block
1358 or BLOCK construct. */
1359 /* ??? Anything else use these? */
1361 typedef struct gfc_namespace
1363 /* Tree containing all the symbols in this namespace. */
1364 gfc_symtree
*sym_root
;
1365 /* Tree containing all the user-defined operators in the namespace. */
1366 gfc_symtree
*uop_root
;
1367 /* Tree containing all the common blocks. */
1368 gfc_symtree
*common_root
;
1370 /* Tree containing type-bound procedures. */
1371 gfc_symtree
*tb_sym_root
;
1372 /* Type-bound user operators. */
1373 gfc_symtree
*tb_uop_root
;
1374 /* For derived-types, store type-bound intrinsic operators here. */
1375 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1376 /* Linked list of finalizer procedures. */
1377 struct gfc_finalizer
*finalizers
;
1379 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1380 int set_flag
[GFC_LETTERS
];
1381 /* Keeps track of the implicit types associated with the letters. */
1382 gfc_typespec default_type
[GFC_LETTERS
];
1383 /* Store the positions of IMPLICIT statements. */
1384 locus implicit_loc
[GFC_LETTERS
];
1386 /* If this is a namespace of a procedure, this points to the procedure. */
1387 struct gfc_symbol
*proc_name
;
1388 /* If this is the namespace of a unit which contains executable
1389 code, this points to it. */
1390 struct gfc_code
*code
;
1392 /* Points to the equivalences set up in this namespace. */
1393 struct gfc_equiv
*equiv
, *old_equiv
;
1395 /* Points to the equivalence groups produced by trans_common. */
1396 struct gfc_equiv_list
*equiv_lists
;
1398 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1400 /* Points to the parent namespace, i.e. the namespace of a module or
1401 procedure in which the procedure belonging to this namespace is
1402 contained. The parent namespace points to this namespace either
1403 directly via CONTAINED, or indirectly via the chain built by
1405 struct gfc_namespace
*parent
;
1406 /* CONTAINED points to the first contained namespace. Sibling
1407 namespaces are chained via SIBLING. */
1408 struct gfc_namespace
*contained
, *sibling
;
1410 gfc_common_head blank_common
;
1411 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1413 gfc_st_label
*st_labels
;
1414 /* This list holds information about all the data initializers in
1416 struct gfc_data
*data
;
1418 gfc_charlen
*cl_list
, *old_cl_list
;
1420 gfc_dt_list
*derived_types
;
1422 int save_all
, seen_save
, seen_implicit_none
;
1424 /* Normally we don't need to refcount namespaces. However when we read
1425 a module containing a function with multiple entry points, this
1426 will appear as several functions with the same formal namespace. */
1429 /* A list of all alternate entry points to this procedure (or NULL). */
1430 gfc_entry_list
*entries
;
1432 /* A list of USE statements in this namespace. */
1433 gfc_use_list
*use_stmts
;
1435 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1436 unsigned is_block_data
:1;
1438 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1439 unsigned has_import_set
:1;
1441 /* Set to 1 if resolved has been called for this namespace.
1442 Holds -1 during resolution. */
1445 /* Set to 1 if code has been generated for this namespace. */
1446 unsigned translated
:1;
1448 /* Set to 1 if symbols in this namespace should be 'construct entities',
1449 i.e. for BLOCK local variables. */
1450 unsigned construct_entities
:1;
1454 extern gfc_namespace
*gfc_current_ns
;
1455 extern gfc_namespace
*gfc_global_ns_list
;
1457 /* Global symbols are symbols of global scope. Currently we only use
1458 this to detect collisions already when parsing.
1459 TODO: Extend to verify procedure calls. */
1461 enum gfc_symbol_type
1463 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1464 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1467 typedef struct gfc_gsymbol
1469 BBT_HEADER(gfc_gsymbol
);
1472 const char *sym_name
;
1473 const char *mod_name
;
1474 const char *binding_label
;
1475 enum gfc_symbol_type type
;
1483 extern gfc_gsymbol
*gfc_gsym_root
;
1485 /* Information on interfaces being built. */
1488 interface_type type
;
1492 gfc_intrinsic_op op
;
1496 extern gfc_interface_info current_interface
;
1499 /* Array reference. */
1501 enum gfc_array_ref_dimen_type
1503 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1506 typedef struct gfc_array_ref
1509 int dimen
; /* # of components in the reference */
1511 bool in_allocate
; /* For coarray checks. */
1515 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1516 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1517 *stride
[GFC_MAX_DIMENSIONS
];
1519 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1523 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1526 /* Component reference nodes. A variable is stored as an expression
1527 node that points to the base symbol. After that, a singly linked
1528 list of component reference nodes gives the variable's complete
1529 resolution. The array_ref component may be present and comes
1530 before the component component. */
1533 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1536 typedef struct gfc_ref
1542 struct gfc_array_ref ar
;
1546 gfc_component
*component
;
1553 struct gfc_expr
*start
, *end
; /* Substring */
1554 gfc_charlen
*length
;
1561 struct gfc_ref
*next
;
1565 #define gfc_get_ref() XCNEW (gfc_ref)
1568 /* Structures representing intrinsic symbols and their arguments lists. */
1569 typedef struct gfc_intrinsic_arg
1571 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1574 unsigned optional
:1, value
:1;
1575 ENUM_BITFIELD (sym_intent
) intent
:2;
1576 gfc_actual_arglist
*actual
;
1578 struct gfc_intrinsic_arg
*next
;
1584 /* Specifies the various kinds of check functions used to verify the
1585 argument lists of intrinsic functions. fX with X an integer refer
1586 to check functions of intrinsics with X arguments. f1m is used for
1587 the MAX and MIN intrinsics which can have an arbitrary number of
1588 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1589 these have special semantics. */
1593 gfc_try (*f0
)(void);
1594 gfc_try (*f1
)(struct gfc_expr
*);
1595 gfc_try (*f1m
)(gfc_actual_arglist
*);
1596 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1597 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1598 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1599 gfc_try (*f3red
)(gfc_actual_arglist
*);
1600 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1602 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1603 struct gfc_expr
*, struct gfc_expr
*);
1607 /* Like gfc_check_f, these specify the type of the simplification
1608 function associated with an intrinsic. The fX are just like in
1609 gfc_check_f. cc is used for type conversion functions. */
1613 struct gfc_expr
*(*f0
)(void);
1614 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1615 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1616 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1618 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1619 struct gfc_expr
*, struct gfc_expr
*);
1620 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1621 struct gfc_expr
*, struct gfc_expr
*,
1623 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1627 /* Again like gfc_check_f, these specify the type of the resolution
1628 function associated with an intrinsic. The fX are just like in
1629 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1633 void (*f0
)(struct gfc_expr
*);
1634 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1635 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1636 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1637 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1639 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1640 struct gfc_expr
*, struct gfc_expr
*);
1641 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1642 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1643 void (*s1
)(struct gfc_code
*);
1648 typedef struct gfc_intrinsic_sym
1650 const char *name
, *lib_name
;
1651 gfc_intrinsic_arg
*formal
;
1653 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1654 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1659 gfc_simplify_f simplify
;
1661 gfc_resolve_f resolve
;
1662 struct gfc_intrinsic_sym
*specific_head
, *next
;
1669 /* Expression nodes. The expression node types deserve explanations,
1670 since the last couple can be easily misconstrued:
1672 EXPR_OP Operator node pointing to one or two other nodes
1673 EXPR_FUNCTION Function call, symbol points to function's name
1674 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1675 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1676 which expresses structure, array and substring refs.
1677 EXPR_NULL The NULL pointer value (which also has a basic type).
1678 EXPR_SUBSTRING A substring of a constant string
1679 EXPR_STRUCTURE A structure constructor
1680 EXPR_ARRAY An array constructor.
1681 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1682 component or type-bound procedure. */
1687 #define GFC_RND_MODE GMP_RNDN
1688 #define GFC_MPC_RND_MODE MPC_RNDNN
1690 typedef splay_tree gfc_constructor_base
;
1692 typedef struct gfc_expr
1696 gfc_typespec ts
; /* These two refer to the overall expression */
1698 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1699 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1701 /* Nonnull for functions and structure constructors, may also used to hold the
1702 base-object for component calls. */
1703 gfc_symtree
*symtree
;
1709 /* Used to store the base expression in component calls, when the expression
1710 is not a variable. */
1711 struct gfc_expr
*base_expr
;
1713 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1714 denotes a signalling not-a-number. */
1715 unsigned int is_boz
: 1, is_snan
: 1;
1717 /* Sometimes, when an error has been emitted, it is necessary to prevent
1718 it from recurring. */
1719 unsigned int error
: 1;
1721 /* Mark an expression where a user operator has been substituted by
1722 a function call in interface.c(gfc_extend_expr). */
1723 unsigned int user_operator
: 1;
1725 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1726 unsigned int mold
: 1;
1728 /* If an expression comes from a Hollerith constant or compile-time
1729 evaluation of a transfer statement, it may have a prescribed target-
1730 memory representation, and these cannot always be backformed from
1753 gfc_intrinsic_op op
;
1755 struct gfc_expr
*op1
, *op2
;
1761 gfc_actual_arglist
*actual
;
1762 const char *name
; /* Points to the ultimate name of the function */
1763 gfc_intrinsic_sym
*isym
;
1770 gfc_actual_arglist
* actual
;
1772 /* Base-object, whose component was called. NULL means that it should
1773 be taken from symtree/ref. */
1774 struct gfc_expr
* base_object
;
1775 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1777 /* For type-bound operators, we want to call PASS procedures but already
1778 have the full arglist; mark this, so that it is not extended by the
1780 unsigned ignore_pass
:1;
1782 /* Do assign-calls rather than calls, that is appropriate dependency
1795 gfc_constructor_base constructor
;
1803 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1805 /* Structures for information associated with different kinds of
1806 numbers. The first set of integer parameters define all there is
1807 to know about a particular kind. The rest of the elements are
1808 computed from the first elements. */
1812 /* Values really representable by the target. */
1813 mpz_t huge
, pedantic_min_int
, min_int
;
1815 int kind
, radix
, digits
, bit_size
, range
;
1817 /* True if the C type of the given name maps to this precision.
1818 Note that more than one bit can be set. */
1819 unsigned int c_char
: 1;
1820 unsigned int c_short
: 1;
1821 unsigned int c_int
: 1;
1822 unsigned int c_long
: 1;
1823 unsigned int c_long_long
: 1;
1827 extern gfc_integer_info gfc_integer_kinds
[];
1834 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1835 unsigned int c_bool
: 1;
1839 extern gfc_logical_info gfc_logical_kinds
[];
1844 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1845 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1846 int range
, precision
;
1848 /* The precision of the type as reported by GET_MODE_PRECISION. */
1851 /* True if the C type of the given name maps to this precision.
1852 Note that more than one bit can be set. */
1853 unsigned int c_float
: 1;
1854 unsigned int c_double
: 1;
1855 unsigned int c_long_double
: 1;
1856 unsigned int c_float128
: 1;
1860 extern gfc_real_info gfc_real_kinds
[];
1869 extern gfc_character_info gfc_character_kinds
[];
1872 /* Equivalence structures. Equivalent lvalues are linked along the
1873 *eq pointer, equivalence sets are strung along the *next node. */
1874 typedef struct gfc_equiv
1876 struct gfc_equiv
*next
, *eq
;
1883 #define gfc_get_equiv() XCNEW (gfc_equiv)
1885 /* Holds a single equivalence member after processing. */
1886 typedef struct gfc_equiv_info
1889 HOST_WIDE_INT offset
;
1890 HOST_WIDE_INT length
;
1891 struct gfc_equiv_info
*next
;
1894 /* Holds equivalence groups, after they have been processed. */
1895 typedef struct gfc_equiv_list
1897 gfc_equiv_info
*equiv
;
1898 struct gfc_equiv_list
*next
;
1901 /* gfc_case stores the selector list of a case statement. The *low
1902 and *high pointers can point to the same expression in the case of
1903 a single value. If *high is NULL, the selection is from *low
1904 upwards, if *low is NULL the selection is *high downwards.
1906 This structure has separate fields to allow single and double linked
1907 lists of CASEs at the same time. The singe linked list along the NEXT
1908 field is a list of cases for a single CASE label. The double linked
1909 list along the LEFT/RIGHT fields is used to detect overlap and to
1910 build a table of the cases for SELECT constructs with a CHARACTER
1913 typedef struct gfc_case
1915 /* Where we saw this case. */
1919 /* Case range values. If (low == high), it's a single value. If one of
1920 the labels is NULL, it's an unbounded case. If both are NULL, this
1921 represents the default case. */
1922 gfc_expr
*low
, *high
;
1924 /* Only used for SELECT TYPE. */
1927 /* Next case label in the list of cases for a single CASE label. */
1928 struct gfc_case
*next
;
1930 /* Used for detecting overlap, and for code generation. */
1931 struct gfc_case
*left
, *right
;
1933 /* True if this case label can never be matched. */
1938 #define gfc_get_case() XCNEW (gfc_case)
1943 gfc_expr
*var
, *start
, *end
, *step
;
1947 #define gfc_get_iterator() XCNEW (gfc_iterator)
1950 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1952 typedef struct gfc_alloc
1955 struct gfc_alloc
*next
;
1959 #define gfc_get_alloc() XCNEW (gfc_alloc)
1964 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1965 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1966 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1974 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1982 gfc_expr
*unit
, *iostat
, *iomsg
;
1990 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
1991 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
1992 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
1993 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
1994 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
;
2004 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2005 gfc_st_label
*err
, *end
, *eor
;
2012 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2013 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2014 *sign
, *extra_comma
, *dt_io_kind
;
2016 gfc_symbol
*namelist
;
2017 /* A format_label of `format_asterisk' indicates the "*" format */
2018 gfc_st_label
*format_label
;
2019 gfc_st_label
*err
, *end
, *eor
;
2021 locus eor_where
, end_where
, err_where
;
2026 typedef struct gfc_forall_iterator
2028 gfc_expr
*var
, *start
, *end
, *stride
;
2029 struct gfc_forall_iterator
*next
;
2031 gfc_forall_iterator
;
2034 /* Linked list to store associations in an ASSOCIATE statement. */
2036 typedef struct gfc_association_list
2038 struct gfc_association_list
*next
;
2040 /* Whether this is association to a variable that can be changed; otherwise,
2041 it's association to an expression and the name may not be used as
2043 unsigned variable
:1;
2045 /* True if this struct is currently only linked to from a gfc_symbol rather
2046 than as part of a real list in gfc_code->ext.block.assoc. This may
2047 happen for SELECT TYPE temporaries and must be considered
2048 for memory handling. */
2049 unsigned dangling
:1;
2051 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2052 gfc_symtree
*st
; /* Symtree corresponding to name. */
2057 gfc_association_list
;
2058 #define gfc_get_association_list() XCNEW (gfc_association_list)
2061 /* Executable statements that fill gfc_code structures. */
2064 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2065 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2066 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2067 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2068 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2069 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2070 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2071 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2072 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2073 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2074 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2075 EXEC_LOCK
, EXEC_UNLOCK
,
2076 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2077 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2078 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2079 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2080 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2081 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2088 GFC_OMP_ATOMIC_UPDATE
,
2089 GFC_OMP_ATOMIC_READ
,
2090 GFC_OMP_ATOMIC_WRITE
,
2091 GFC_OMP_ATOMIC_CAPTURE
2095 typedef struct gfc_code
2099 struct gfc_code
*block
, *next
;
2102 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2103 gfc_symtree
*symtree
;
2104 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2105 /* A name isn't sufficient to identify a subroutine, we need the actual
2106 symbol for the interface definition.
2107 const char *sub_name; */
2108 gfc_symbol
*resolved_sym
;
2109 gfc_intrinsic_sym
*resolved_isym
;
2113 gfc_actual_arglist
*actual
;
2114 gfc_iterator
*iterator
;
2126 gfc_association_list
*assoc
;
2127 gfc_case
*case_list
;
2133 gfc_filepos
*filepos
;
2134 gfc_inquire
*inquire
;
2137 gfc_forall_iterator
*forall_iterator
;
2138 struct gfc_code
*which_construct
;
2140 gfc_entry_list
*entry
;
2141 gfc_omp_clauses
*omp_clauses
;
2142 const char *omp_name
;
2143 gfc_namelist
*omp_namelist
;
2145 gfc_omp_atomic_op omp_atomic
;
2147 ext
; /* Points to additional structures required by statement */
2149 /* Cycle and break labels in constructs. */
2156 /* Storage for DATA statements. */
2157 typedef struct gfc_data_variable
2161 struct gfc_data_variable
*list
, *next
;
2166 typedef struct gfc_data_value
2170 struct gfc_data_value
*next
;
2175 typedef struct gfc_data
2177 gfc_data_variable
*var
;
2178 gfc_data_value
*value
;
2181 struct gfc_data
*next
;
2186 /* Structure for holding compile options */
2190 gfc_source_form source_form
;
2191 /* Maximum line lengths in fixed- and free-form source, respectively.
2192 When fixed_line_length or free_line_length are 0, the whole line is used,
2193 regardless of length.
2195 If the user requests a fixed_line_length <7 then gfc_init_options()
2196 emits a fatal error. */
2197 int fixed_line_length
;
2198 int free_line_length
;
2199 /* Maximum number of continuation lines in fixed- and free-form source,
2201 int max_continue_fixed
;
2202 int max_continue_free
;
2203 int max_identifier_length
;
2204 int dump_fortran_original
;
2205 int dump_fortran_optimized
;
2209 int gfc_warn_conversion
;
2210 int warn_c_binding_type
;
2211 int warn_conversion_extra
;
2212 int warn_function_elimination
;
2213 int warn_implicit_interface
;
2214 int warn_implicit_procedure
;
2215 int warn_line_truncation
;
2216 int warn_surprising
;
2219 int warn_intrinsic_shadow
;
2220 int warn_intrinsics_std
;
2221 int warn_character_truncation
;
2222 int warn_array_temp
;
2223 int warn_align_commons
;
2224 int warn_real_q_constant
;
2225 int warn_unused_dummy_argument
;
2226 int warn_realloc_lhs
;
2227 int warn_realloc_lhs_all
;
2228 int warn_compare_reals
;
2231 int flag_all_intrinsics
;
2232 int flag_default_double
;
2233 int flag_default_integer
;
2234 int flag_default_real
;
2235 int flag_integer4_kind
;
2236 int flag_real4_kind
;
2237 int flag_real8_kind
;
2239 int flag_underscoring
;
2240 int flag_second_underscore
;
2241 int flag_implicit_none
;
2242 int flag_max_stack_var_size
;
2243 int flag_max_array_constructor
;
2244 int flag_range_check
;
2245 int flag_pack_derived
;
2246 int flag_repack_arrays
;
2247 int flag_preprocessed
;
2252 int flag_allow_leading_underscore
;
2253 int flag_external_blas
;
2254 int blas_matmul_limit
;
2255 int flag_cray_pointer
;
2257 int gfc_flag_openmp
;
2259 int flag_stack_arrays
;
2260 int flag_module_private
;
2262 int flag_init_local_zero
;
2263 int flag_init_integer
;
2264 int flag_init_integer_value
;
2266 int flag_init_logical
;
2267 int flag_init_character
;
2268 char flag_init_character_value
;
2269 int flag_align_commons
;
2270 int flag_whole_file
;
2271 int flag_protect_parens
;
2272 int flag_realloc_lhs
;
2273 int flag_aggressive_function_elimination
;
2274 int flag_frontend_optimize
;
2278 gfc_fcoarray coarray
;
2284 int max_subrecord_length
;
2288 extern gfc_option_t gfc_option
;
2290 /* Constructor nodes for array and structure constructors. */
2291 typedef struct gfc_constructor
2293 gfc_constructor_base base
;
2294 mpz_t offset
; /* Offset within a constructor, used as
2298 gfc_iterator
*iterator
;
2303 gfc_component
*component
; /* Record the component being initialized. */
2306 mpz_t repeat
; /* Record the repeat number of initial values in data
2307 statement like "data a/5*10/". */
2312 typedef struct iterator_stack
2314 gfc_symtree
*variable
;
2316 struct iterator_stack
*prev
;
2319 extern iterator_stack
*iter_stack
;
2322 /* Used for (possibly nested) SELECT TYPE statements. */
2323 typedef struct gfc_select_type_stack
2325 gfc_symbol
*selector
; /* Current selector variable. */
2326 gfc_symtree
*tmp
; /* Current temporary variable. */
2327 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2329 gfc_select_type_stack
;
2330 extern gfc_select_type_stack
*select_type_stack
;
2331 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2334 /* Node in the linked list used for storing finalizer procedures. */
2336 typedef struct gfc_finalizer
2338 struct gfc_finalizer
* next
;
2339 locus where
; /* Where the FINAL declaration occurred. */
2341 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2342 symtree and later need only that. This way, we can access and call the
2343 finalizers from every context as they should be "always accessible". I
2344 don't make this a union because we need the information whether proc_sym is
2345 still referenced or not for dereferencing it on deleting a gfc_finalizer
2347 gfc_symbol
* proc_sym
;
2348 gfc_symtree
* proc_tree
;
2351 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2354 /************************ Function prototypes *************************/
2357 bool gfc_in_match_data (void);
2358 match
gfc_match_char_spec (gfc_typespec
*);
2361 void gfc_scanner_done_1 (void);
2362 void gfc_scanner_init_1 (void);
2364 void gfc_add_include_path (const char *, bool, bool);
2365 void gfc_add_intrinsic_modules_path (const char *);
2366 void gfc_release_include_path (void);
2367 FILE *gfc_open_included_file (const char *, bool, bool);
2368 FILE *gfc_open_intrinsic_module (const char *);
2370 int gfc_at_end (void);
2371 int gfc_at_eof (void);
2372 int gfc_at_bol (void);
2373 int gfc_at_eol (void);
2374 void gfc_advance_line (void);
2375 int gfc_check_include (void);
2376 int gfc_define_undef_line (void);
2378 int gfc_wide_is_printable (gfc_char_t
);
2379 int gfc_wide_is_digit (gfc_char_t
);
2380 int gfc_wide_fits_in_byte (gfc_char_t
);
2381 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2382 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2383 size_t gfc_wide_strlen (const gfc_char_t
*);
2384 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2385 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2386 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2387 gfc_char_t
*gfc_char_to_widechar (const char *);
2389 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2391 void gfc_skip_comments (void);
2392 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2393 gfc_char_t
gfc_next_char (void);
2394 char gfc_next_ascii_char (void);
2395 gfc_char_t
gfc_peek_char (void);
2396 char gfc_peek_ascii_char (void);
2397 void gfc_error_recovery (void);
2398 void gfc_gobble_whitespace (void);
2399 gfc_try
gfc_new_file (void);
2400 const char * gfc_read_orig_filename (const char *, const char **);
2402 extern gfc_source_form gfc_current_form
;
2403 extern const char *gfc_source_file
;
2404 extern locus gfc_current_locus
;
2406 void gfc_start_source_files (void);
2407 void gfc_end_source_files (void);
2410 int gfc_terminal_width (void);
2411 void gfc_clear_ts (gfc_typespec
*);
2412 FILE *gfc_open_file (const char *);
2413 const char *gfc_basic_typename (bt
);
2414 const char *gfc_typename (gfc_typespec
*);
2415 const char *gfc_op2string (gfc_intrinsic_op
);
2416 const char *gfc_code2string (const mstring
*, int);
2417 int gfc_string2code (const mstring
*, const char *);
2418 const char *gfc_intent_string (sym_intent
);
2420 void gfc_init_1 (void);
2421 void gfc_init_2 (void);
2422 void gfc_done_1 (void);
2423 void gfc_done_2 (void);
2425 int get_c_kind (const char *, CInteropKind_t
*);
2428 unsigned int gfc_option_lang_mask (void);
2429 void gfc_init_options_struct (struct gcc_options
*);
2430 void gfc_init_options (unsigned int,
2431 struct cl_decoded_option
*);
2432 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2433 const struct cl_option_handlers
*);
2434 bool gfc_post_options (const char **);
2435 char *gfc_get_option_string (void);
2438 void gfc_maybe_initialize_eh (void);
2441 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2442 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2446 typedef struct gfc_error_buf
2449 size_t allocated
, index
;
2453 void gfc_error_init_1 (void);
2454 void gfc_buffer_error (int);
2456 const char *gfc_print_wide_char (gfc_char_t
);
2458 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2459 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2460 void gfc_clear_warning (void);
2461 void gfc_warning_check (void);
2463 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2464 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2465 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2466 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2467 void gfc_clear_error (void);
2468 int gfc_error_check (void);
2469 int gfc_error_flag_test (void);
2471 notification
gfc_notification_std (int);
2472 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2474 /* A general purpose syntax error. */
2475 #define gfc_syntax_error(ST) \
2476 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2478 void gfc_push_error (gfc_error_buf
*);
2479 void gfc_pop_error (gfc_error_buf
*);
2480 void gfc_free_error (gfc_error_buf
*);
2482 void gfc_get_errors (int *, int *);
2483 void gfc_errors_to_warnings (int);
2486 void gfc_arith_init_1 (void);
2487 void gfc_arith_done_1 (void);
2488 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2489 bool gfc_check_character_range (gfc_char_t
, int);
2492 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2493 int gfc_validate_kind (bt
, int, bool);
2494 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2495 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2496 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2497 extern int gfc_index_integer_kind
;
2498 extern int gfc_default_integer_kind
;
2499 extern int gfc_max_integer_kind
;
2500 extern int gfc_default_real_kind
;
2501 extern int gfc_default_double_kind
;
2502 extern int gfc_default_character_kind
;
2503 extern int gfc_default_logical_kind
;
2504 extern int gfc_default_complex_kind
;
2505 extern int gfc_c_int_kind
;
2506 extern int gfc_atomic_int_kind
;
2507 extern int gfc_atomic_logical_kind
;
2508 extern int gfc_intio_kind
;
2509 extern int gfc_charlen_int_kind
;
2510 extern int gfc_numeric_storage_size
;
2511 extern int gfc_character_storage_size
;
2514 void gfc_clear_new_implicit (void);
2515 gfc_try
gfc_add_new_implicit_range (int, int);
2516 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2517 void gfc_set_implicit_none (void);
2518 void gfc_check_function_type (gfc_namespace
*);
2519 bool gfc_is_intrinsic_typename (const char *);
2521 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2522 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2524 void gfc_set_sym_referenced (gfc_symbol
*);
2526 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2527 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2528 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2529 gfc_try
gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2530 gfc_try
gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2531 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2532 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2533 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2534 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2535 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2536 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2537 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2538 match
gfc_mod_pointee_as (gfc_array_spec
*);
2539 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2540 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2541 gfc_try
gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2542 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2543 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2544 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2545 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2546 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2547 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2548 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2549 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2550 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2551 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2552 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2553 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2554 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2555 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2556 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2557 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2558 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2559 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2560 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2561 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2563 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2564 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2565 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2566 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2567 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2568 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2569 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2570 const char *, locus
*);
2571 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2572 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2573 gfc_formal_arglist
*, locus
*);
2574 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2576 void gfc_clear_attr (symbol_attribute
*);
2577 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2578 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2580 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2581 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2582 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2583 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2585 gfc_st_label
*gfc_get_st_label (int);
2586 void gfc_free_st_label (gfc_st_label
*);
2587 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2588 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2590 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2591 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2592 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2593 void gfc_delete_symtree (gfc_symtree
**, const char *);
2594 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2595 gfc_user_op
*gfc_get_uop (const char *);
2596 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2597 void gfc_free_symbol (gfc_symbol
*);
2598 void gfc_release_symbol (gfc_symbol
*);
2599 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2600 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2601 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2602 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2603 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2604 gfc_try
gfc_verify_c_interop (gfc_typespec
*);
2605 gfc_try
gfc_verify_c_interop_param (gfc_symbol
*);
2606 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2607 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2608 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2609 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2610 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, const char *, int);
2611 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2612 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2613 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2615 void gfc_undo_symbols (void);
2616 void gfc_commit_symbols (void);
2617 void gfc_commit_symbol (gfc_symbol
*);
2618 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2619 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2620 void gfc_free_namespace (gfc_namespace
*);
2622 void gfc_symbol_init_2 (void);
2623 void gfc_symbol_done_2 (void);
2625 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2626 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2627 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2628 void gfc_save_all (gfc_namespace
*);
2630 void gfc_enforce_clean_symbol_state (void);
2631 void gfc_free_dt_list (void);
2634 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2635 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2637 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2638 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2639 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2640 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2641 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2643 void gfc_copy_formal_args (gfc_symbol
*, gfc_symbol
*, ifsrc
);
2644 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2645 void gfc_copy_formal_args_ppc (gfc_component
*, gfc_symbol
*, ifsrc
);
2647 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2649 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2650 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2652 bool gfc_is_associate_pointer (gfc_symbol
*);
2653 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2655 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2656 extern bool gfc_init_expr_flag
;
2658 /* Given a symbol that we have decided is intrinsic, mark it as such
2659 by placing it into a special module that is otherwise impossible to
2662 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2664 void gfc_intrinsic_init_1 (void);
2665 void gfc_intrinsic_done_1 (void);
2667 char gfc_type_letter (bt
);
2668 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2669 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2670 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2671 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2672 int gfc_generic_intrinsic (const char *);
2673 int gfc_specific_intrinsic (const char *);
2674 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2675 int gfc_intrinsic_actual_ok (const char *, const bool);
2676 gfc_intrinsic_sym
*gfc_find_function (const char *);
2677 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2678 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2680 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2681 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2683 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2684 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2687 /* match.c -- FIXME */
2688 void gfc_free_iterator (gfc_iterator
*, int);
2689 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2690 void gfc_free_alloc_list (gfc_alloc
*);
2691 void gfc_free_namelist (gfc_namelist
*);
2692 void gfc_free_equiv (gfc_equiv
*);
2693 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2694 void gfc_free_data (gfc_data
*);
2695 void gfc_free_case_list (gfc_case
*);
2697 /* matchexp.c -- FIXME too? */
2698 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2701 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2702 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2703 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2704 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2705 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2706 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2707 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2708 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2711 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2712 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2713 const char *gfc_extract_int (gfc_expr
*, int *);
2714 bool is_subref_array (gfc_expr
*);
2715 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2716 gfc_try
gfc_check_init_expr (gfc_expr
*);
2718 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2719 void gfc_free_ref_list (gfc_ref
*);
2720 void gfc_type_convert_binary (gfc_expr
*, int);
2721 int gfc_is_constant_expr (gfc_expr
*);
2722 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2723 int gfc_has_vector_index (gfc_expr
*);
2725 gfc_expr
*gfc_get_expr (void);
2726 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2727 gfc_expr
*gfc_get_null_expr (locus
*);
2728 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2729 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2730 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2731 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2732 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2733 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2734 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2736 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2737 void gfc_free_shape (mpz_t
**shape
, int rank
);
2738 void gfc_free_expr (gfc_expr
*);
2739 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2740 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2741 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2742 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2743 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2745 gfc_try
gfc_specification_expr (gfc_expr
*);
2747 int gfc_numeric_ts (gfc_typespec
*);
2748 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2750 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2751 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2752 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2753 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2755 bool gfc_has_default_initializer (gfc_symbol
*);
2756 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2757 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2758 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2760 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2762 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2763 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2765 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2766 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2767 void gfc_expr_replace_symbols (gfc_expr
*, gfc_symbol
*);
2768 void gfc_expr_replace_comp (gfc_expr
*, gfc_component
*);
2770 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2771 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2773 bool gfc_ref_this_image (gfc_ref
*ref
);
2774 bool gfc_is_coindexed (gfc_expr
*);
2775 bool gfc_is_coarray (gfc_expr
*);
2776 int gfc_get_corank (gfc_expr
*);
2777 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2778 bool gfc_has_ultimate_pointer (gfc_expr
*);
2780 gfc_expr
* gfc_build_intrinsic_call (const char*, locus
, unsigned, ...);
2781 gfc_try
gfc_check_vardef_context (gfc_expr
*, bool, bool, const char*);
2785 extern gfc_code new_st
;
2787 void gfc_clear_new_st (void);
2788 gfc_code
*gfc_get_code (void);
2789 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2790 void gfc_free_statement (gfc_code
*);
2791 void gfc_free_statements (gfc_code
*);
2792 void gfc_free_association_list (gfc_association_list
*);
2795 gfc_try
gfc_resolve_expr (gfc_expr
*);
2796 void gfc_resolve (gfc_namespace
*);
2797 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2798 int gfc_impure_variable (gfc_symbol
*);
2799 int gfc_pure (gfc_symbol
*);
2800 int gfc_implicit_pure (gfc_symbol
*);
2801 int gfc_elemental (gfc_symbol
*);
2802 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool);
2803 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2804 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2805 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2806 int gfc_is_formal_arg (void);
2807 void gfc_resolve_substring_charlen (gfc_expr
*);
2808 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2809 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2810 bool gfc_type_is_extensible (gfc_symbol
*);
2811 gfc_try
gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2815 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2817 void gfc_free_array_spec (gfc_array_spec
*);
2818 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2820 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2821 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2822 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2824 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2826 void gfc_simplify_iterator_var (gfc_expr
*);
2827 gfc_try
gfc_expand_constructor (gfc_expr
*, bool);
2828 int gfc_constant_ac (gfc_expr
*);
2829 int gfc_expanded_ac (gfc_expr
*);
2830 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2831 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2832 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2833 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2834 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2835 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2836 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2837 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2838 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2839 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2840 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2841 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2842 int gfc_is_compile_time_shape (gfc_array_spec
*);
2844 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
2847 /* interface.c -- FIXME: some of these should be in symbol.c */
2848 void gfc_free_interface (gfc_interface
*);
2849 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2850 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2851 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2852 char *, int, const char *, const char *);
2853 void gfc_check_interfaces (gfc_namespace
*);
2854 gfc_try
gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2855 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2856 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2857 gfc_actual_arglist
**);
2858 match
gfc_extend_expr (gfc_expr
*);
2859 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2860 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2861 gfc_try
gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
2862 gfc_try
gfc_add_interface (gfc_symbol
*);
2863 gfc_interface
*gfc_current_interface_head (void);
2864 void gfc_set_current_interface_head (gfc_interface
*);
2865 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2866 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2867 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2868 int gfc_has_vector_subscript (gfc_expr
*);
2869 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
2870 gfc_try
gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
2873 extern gfc_st_label format_asterisk
;
2875 void gfc_free_open (gfc_open
*);
2876 gfc_try
gfc_resolve_open (gfc_open
*);
2877 void gfc_free_close (gfc_close
*);
2878 gfc_try
gfc_resolve_close (gfc_close
*);
2879 void gfc_free_filepos (gfc_filepos
*);
2880 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2881 void gfc_free_inquire (gfc_inquire
*);
2882 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2883 void gfc_free_dt (gfc_dt
*);
2884 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2885 void gfc_free_wait (gfc_wait
*);
2886 gfc_try
gfc_resolve_wait (gfc_wait
*);
2889 void gfc_module_init_2 (void);
2890 void gfc_module_done_2 (void);
2891 void gfc_dump_module (const char *, int);
2892 bool gfc_check_symbol_access (gfc_symbol
*);
2893 void gfc_free_use_stmts (gfc_use_list
*);
2896 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2897 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2898 match
gfc_match_rvalue (gfc_expr
**);
2899 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2900 int gfc_check_digit (char, int);
2901 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2902 gfc_try
gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
2904 gfc_actual_arglist
**, bool);
2907 void gfc_generate_code (gfc_namespace
*);
2908 void gfc_generate_module_code (gfc_namespace
*);
2909 void gfc_init_coarray_decl (bool);
2911 /* trans-intrinsic.c */
2912 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
2915 typedef int (*compare_fn
) (void *, void *);
2916 void gfc_insert_bbt (void *, void *, compare_fn
);
2917 void gfc_delete_bbt (void *, void *, compare_fn
);
2919 /* dump-parse-tree.c */
2920 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2923 gfc_try
gfc_parse_file (void);
2924 void gfc_global_used (gfc_gsymbol
*, locus
*);
2925 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
2928 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
2929 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2932 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2933 gfc_try
gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
2934 size_t*, size_t*, size_t*);
2937 void gfc_fix_class_refs (gfc_expr
*e
);
2938 void gfc_add_component_ref (gfc_expr
*, const char *);
2939 void gfc_add_class_array_ref (gfc_expr
*);
2940 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
2941 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
2942 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
2943 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
2944 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
2945 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
2946 bool gfc_is_class_scalar_expr (gfc_expr
*);
2947 bool gfc_is_class_container_ref (gfc_expr
*e
);
2948 gfc_expr
*gfc_class_null_initializer (gfc_typespec
*);
2949 unsigned int gfc_hash_value (gfc_symbol
*);
2950 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2951 gfc_array_spec
**, bool);
2952 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2953 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2954 const char*, bool, locus
*);
2955 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
2956 const char*, bool, locus
*);
2957 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
2958 gfc_intrinsic_op
, bool,
2960 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2962 #define CLASS_DATA(sym) sym->ts.u.derived->components
2964 /* frontend-passes.c */
2966 void gfc_run_passes (gfc_namespace
*);
2968 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
2969 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
2971 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
2972 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
2974 #endif /* GCC_GFORTRAN_H */