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 /* A prefix for internal variables, which are not user-visible. */
67 #if !defined (NO_DOT_IN_LABEL)
68 # define GFC_PREFIX(x) "_F." x
69 #elif !defined (NO_DOLLAR_IN_LABEL)
70 # define GFC_PREFIX(x) "_F$" x
72 # define GFC_PREFIX(x) "_F_" x
75 #define BLANK_COMMON_NAME "__BLNK__"
77 /* Macro to initialize an mstring structure. */
78 #define minit(s, t) { s, NULL, t }
80 /* Structure for storing strings to be matched by gfc_match_string. */
91 /*************************** Enums *****************************/
93 /* Used when matching and resolving data I/O transfer statements. */
96 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
}
99 /* The author remains confused to this day about the convention of
100 returning '0' for 'SUCCESS'... or was it the other way around? The
101 following enum makes things much more readable. We also start
102 values off at one instead of zero. */
105 { SUCCESS
= 1, FAILURE
}
108 /* These are flags for identifying whether we are reading a character literal
109 between quotes or normal source code. */
112 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
}
115 /* This is returned by gfc_notification_std to know if, given the flags
116 that were given (-std=, -pedantic) we should issue an error, a warning
120 { SILENT
, WARNING
, ERROR
}
123 /* Matchers return one of these three values. The difference between
124 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
125 successful, but that something non-syntactic is wrong and an error
126 has already been issued. */
129 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
}
132 /* Used for different Fortran source forms in places like scanner.c. */
134 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
}
137 /* Expression node types. */
139 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
140 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
146 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
147 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
153 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
}
156 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
157 related to shared DO terminations and DO targets which are neither END DO
158 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
160 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
161 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
165 /* Intrinsic operators. */
167 { GFC_INTRINSIC_BEGIN
= 0,
168 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
169 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
170 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
171 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
172 /* ==, /=, >, >=, <, <= */
173 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
174 INTRINSIC_LT
, INTRINSIC_LE
,
175 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
176 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
177 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
178 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
,
179 INTRINSIC_PARENTHESES
, GFC_INTRINSIC_END
/* Sentinel */
183 /* This macro is the number of intrinsic operators that exist.
184 Assumptions are made about the numbering of the interface_op enums. */
185 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
187 /* Arithmetic results. */
189 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
190 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
197 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
198 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
199 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
200 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
201 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
202 ST_ENDDO
, ST_IMPLIED_ENDDO
,
203 ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
, ST_END_FUNCTION
, ST_ENDIF
,
204 ST_END_INTERFACE
, ST_END_MODULE
, ST_END_PROGRAM
, ST_END_SELECT
,
205 ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
, ST_ENTRY
, ST_EQUIVALENCE
,
206 ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
, ST_FORMAT
, ST_FUNCTION
,
207 ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
, ST_IMPORT
,
208 ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
, ST_SYNC_IMAGES
,
209 ST_PARAMETER
, ST_MODULE
, ST_MODULE_PROC
, ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
,
210 ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
, ST_READ
, ST_RETURN
, ST_REWIND
,
211 ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
, ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
,
212 ST_WRITE
, ST_ASSIGNMENT
, ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
,
213 ST_SIMPLE_IF
, ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
,
214 ST_ENUM
, ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
215 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
216 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
217 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
218 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
219 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
220 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
221 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
222 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
223 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
,
224 ST_END_CRITICAL
, ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_NONE
228 /* Types of interfaces that we can have. Assignment interfaces are
229 considered to be intrinsic operators. */
232 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
233 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
237 /* Symbol flavors: these are all mutually exclusive.
238 10 elements = 4 bits. */
239 typedef enum sym_flavor
241 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
242 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
247 /* Procedure types. 7 elements = 3 bits. */
248 typedef enum procedure_type
249 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
250 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
255 typedef enum sym_intent
256 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
261 typedef enum gfc_access
262 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
266 /* Flags to keep track of where an interface came from.
267 3 elements = 2 bits. */
269 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
270 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
271 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
272 with explicit interface. */
276 /* Whether a SAVE attribute was set explicitly or implicitly. */
277 typedef enum save_state
278 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
282 /* Strings for all symbol attributes. We use these for dumping the
283 parse tree, in error messages, and also when reading and writing
284 modules. In symbol.c. */
285 extern const mstring flavors
[];
286 extern const mstring procedures
[];
287 extern const mstring intents
[];
288 extern const mstring access_types
[];
289 extern const mstring ifsrc_types
[];
290 extern const mstring save_status
[];
292 /* Enumeration of all the generic intrinsic functions. Used by the
293 backend for identification of a function. */
297 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
298 the backend (e.g. KIND). */
335 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
336 GFC_ISYM_COMPILER_OPTIONS
,
337 GFC_ISYM_COMPILER_VERSION
,
348 GFC_ISYM_DATE_AND_TIME
,
352 GFC_ISYM_DOT_PRODUCT
,
361 GFC_ISYM_ERFC_SCALED
,
363 GFC_ISYM_EXECUTE_COMMAND_LINE
,
367 GFC_ISYM_EXTENDS_TYPE_OF
,
384 GFC_ISYM_GET_COMMAND
,
385 GFC_ISYM_GET_COMMAND_ARGUMENT
,
388 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
409 GFC_ISYM_IMAGE_INDEX
,
418 GFC_ISYM_IS_IOSTAT_END
,
419 GFC_ISYM_IS_IOSTAT_EOR
,
454 GFC_ISYM_MAXEXPONENT
,
462 GFC_ISYM_MINEXPONENT
,
487 GFC_ISYM_RANDOM_NUMBER
,
488 GFC_ISYM_RANDOM_SEED
,
497 GFC_ISYM_SAME_TYPE_AS
,
503 GFC_ISYM_SET_EXPONENT
,
523 GFC_ISYM_STORAGE_SIZE
,
528 GFC_ISYM_SYSTEM_CLOCK
,
552 typedef enum gfc_isym_id gfc_isym_id
;
557 GFC_INIT_REAL_OFF
= 0,
562 GFC_INIT_REAL_NEG_INF
568 GFC_INIT_LOGICAL_OFF
= 0,
569 GFC_INIT_LOGICAL_FALSE
,
570 GFC_INIT_LOGICAL_TRUE
576 GFC_INIT_CHARACTER_OFF
= 0,
577 GFC_INIT_CHARACTER_ON
579 init_local_character
;
583 GFC_INIT_INTEGER_OFF
= 0,
590 GFC_FCOARRAY_NONE
= 0,
605 /************************* Structures *****************************/
607 /* Used for keeping things in balanced binary trees. */
608 #define BBT_HEADER(self) int priority; struct self *left, *right
610 #define NAMED_INTCST(a,b,c,d) a,
611 #define NAMED_KINDARRAY(a,b,c,d) a,
612 #define NAMED_FUNCTION(a,b,c,d) a,
613 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
616 ISOFORTRANENV_INVALID
= -1,
617 #include "iso-fortran-env.def"
618 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
620 iso_fortran_env_symbol
;
622 #undef NAMED_KINDARRAY
623 #undef NAMED_FUNCTION
624 #undef NAMED_DERIVED_TYPE
626 #define NAMED_INTCST(a,b,c,d) a,
627 #define NAMED_REALCST(a,b,c,d) a,
628 #define NAMED_CMPXCST(a,b,c,d) a,
629 #define NAMED_LOGCST(a,b,c) a,
630 #define NAMED_CHARKNDCST(a,b,c) a,
631 #define NAMED_CHARCST(a,b,c) a,
632 #define DERIVED_TYPE(a,b,c) a,
633 #define PROCEDURE(a,b) a,
634 #define NAMED_FUNCTION(a,b,c,d) a,
637 ISOCBINDING_INVALID
= -1,
638 #include "iso-c-binding.def"
640 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
642 iso_c_binding_symbol
;
647 #undef NAMED_CHARKNDCST
651 #undef NAMED_FUNCTION
655 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
661 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
662 int value
; /* Used for both integer and character values. */
667 /* Array of structs, where the structs represent the C interop kinds.
668 The list will be implemented based on a hash of the kind name since
669 these could be accessed multiple times.
670 Declared in trans-types.c as a global, since it's in that file
671 that the list is initialized. */
672 extern CInteropKind_t c_interop_kinds_table
[];
675 /* Structure and list of supported extension attributes. */
678 EXT_ATTR_DLLIMPORT
= 0,
683 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
691 const char *middle_end_name
;
695 extern const ext_attr_t ext_attr_list
[];
697 /* Symbol attribute structure. */
700 /* Variable attributes. */
701 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
702 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
703 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
704 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
707 /* For CLASS containers, the pointer attribute is sometimes set internally
708 even though it was not directly specified. In this case, keep the
709 "real" (original) value here. */
710 unsigned class_pointer
:1;
712 ENUM_BITFIELD (save_state
) save
:2;
714 unsigned data
:1, /* Symbol is named in a DATA statement. */
715 is_protected
:1, /* Symbol has been marked as protected. */
716 use_assoc
:1, /* Symbol has been use-associated. */
717 use_only
:1, /* Symbol has been use-associated, with ONLY. */
718 use_rename
:1, /* Symbol has been use-associated and renamed. */
719 imported
:1, /* Symbol has been associated by IMPORT. */
720 host_assoc
:1; /* Symbol has been host associated. */
722 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
723 unsigned function
:1, subroutine
:1, procedure
:1;
724 unsigned generic
:1, generic_copy
:1;
725 unsigned implicit_type
:1; /* Type defined via implicit rules. */
726 unsigned untyped
:1; /* No implicit type could be found. */
728 unsigned is_bind_c
:1; /* say if is bound to C. */
729 unsigned extension
:8; /* extension level of a derived type. */
730 unsigned is_class
:1; /* is a CLASS container. */
731 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
732 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
733 unsigned vtype
:1; /* is a derived type of a vtab. */
735 /* These flags are both in the typespec and attribute. The attribute
736 list is what gets read from/written to a module file. The typespec
737 is created from a decl being processed. */
738 unsigned is_c_interop
:1; /* It's c interoperable. */
739 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
741 /* Function/subroutine attributes */
742 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
743 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
745 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
746 which is relevant for private module procedures. */
747 unsigned public_used
:1;
749 /* This is set if a contained procedure could be declared pure. This is
750 used for certain optimizations that require the result or arguments
751 cannot alias. Note that this is zero for PURE procedures. */
752 unsigned implicit_pure
:1;
754 /* This is set if the subroutine doesn't return. Currently, this
755 is only possible for intrinsic subroutines. */
758 /* Set if this procedure is an alternate entry point. These procedures
759 don't have any code associated, and the backend will turn them into
760 thunks to the master function. */
763 /* Set if this is the master function for a procedure with multiple
765 unsigned entry_master
:1;
767 /* Set if this is the master function for a function with multiple
768 entry points where characteristics of the entry points differ. */
769 unsigned mixed_entry_master
:1;
771 /* Set if a function must always be referenced by an explicit interface. */
772 unsigned always_explicit
:1;
774 /* Set if the symbol is generated and, hence, standard violations
775 shouldn't be flaged. */
776 unsigned artificial
:1;
778 /* Set if the symbol has been referenced in an expression. No further
779 modification of type or type parameters is permitted. */
780 unsigned referenced
:1;
782 /* Set if this is the symbol for the main program. */
783 unsigned is_main_program
:1;
785 /* Mutually exclusive multibit attributes. */
786 ENUM_BITFIELD (gfc_access
) access
:2;
787 ENUM_BITFIELD (sym_intent
) intent
:2;
788 ENUM_BITFIELD (sym_flavor
) flavor
:4;
789 ENUM_BITFIELD (ifsrc
) if_source
:2;
791 ENUM_BITFIELD (procedure_type
) proc
:3;
793 /* Special attributes for Cray pointers, pointees. */
794 unsigned cray_pointer
:1, cray_pointee
:1;
796 /* The symbol is a derived type with allocatable components, pointer
797 components or private components, procedure pointer components,
798 possibly nested. zero_comp is true if the derived type has no
799 component at all. defined_assign_comp is true if the derived
800 type or a (sub-)component has a typebound defined assignment.
801 unlimited_polymorphic flags the type of the container for these
803 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
804 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
805 defined_assign_comp
:1, unlimited_polymorphic
:1;
807 /* This is a temporary selector for SELECT TYPE. */
808 unsigned select_type_temporary
:1;
810 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
811 unsigned ext_attr
:EXT_ATTR_NUM
;
813 /* The namespace where the attribute has been set. */
814 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
819 /* We need to store source lines as sequences of multibyte source
820 characters. We define here a type wide enough to hold any multibyte
821 source character, just like libcpp does. A 32-bit type is enough. */
823 #if HOST_BITS_PER_INT >= 32
824 typedef unsigned int gfc_char_t
;
825 #elif HOST_BITS_PER_LONG >= 32
826 typedef unsigned long gfc_char_t
;
827 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
828 typedef unsigned long long gfc_char_t
;
830 # error "Cannot find an integer type with at least 32 bits"
834 /* The following three structures are used to identify a location in
837 gfc_file is used to maintain a tree of the source files and how
838 they include each other
840 gfc_linebuf holds a single line of source code and information
841 which file it resides in
843 locus point to the sourceline and the character in the source
847 typedef struct gfc_file
849 struct gfc_file
*next
, *up
;
850 int inclusion_line
, line
;
854 typedef struct gfc_linebuf
856 source_location location
;
857 struct gfc_file
*file
;
858 struct gfc_linebuf
*next
;
866 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
868 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
876 /* In order for the "gfc" format checking to work correctly, you must
877 have declared a typedef locus first. */
878 #if GCC_VERSION >= 4001
879 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
881 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
885 /* Suppress error messages or re-enable them. */
887 void gfc_push_suppress_errors (void);
888 void gfc_pop_suppress_errors (void);
891 /* Character length structures hold the expression that gives the
892 length of a character variable. We avoid putting these into
893 gfc_typespec because doing so prevents us from doing structure
894 copies and forces us to deallocate any typespecs we create, as well
895 as structures that contain typespecs. They also can have multiple
896 character typespecs pointing to them.
898 These structures form a singly linked list within the current
899 namespace and are deallocated with the namespace. It is possible to
900 end up with gfc_charlen structures that have nothing pointing to them. */
902 typedef struct gfc_charlen
904 struct gfc_expr
*length
;
905 struct gfc_charlen
*next
;
906 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
908 tree passed_length
; /* Length argument explicitly passed. */
914 #define gfc_get_charlen() XCNEW (gfc_charlen)
916 /* Type specification structure. */
924 struct gfc_symbol
*derived
; /* For derived types only. */
925 gfc_charlen
*cl
; /* For character types only. */
926 int pad
; /* For hollerith types only. */
930 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
938 /* Array specification. */
941 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
943 array_type type
, cotype
;
944 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
946 /* These two fields are used with the Cray Pointer extension. */
947 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
948 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
949 AS_EXPLICIT, but we want to remember that we
955 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
958 /* Components of derived types. */
959 typedef struct gfc_component
964 symbol_attribute attr
;
968 /* Used to cache a FIELD_DECL matching this same component
969 but applied to a different backend containing type that was
970 generated by gfc_nonrestricted_type. */
971 tree norestrict_decl
;
973 struct gfc_expr
*initializer
;
974 struct gfc_component
*next
;
976 /* Needed for procedure pointer components. */
977 struct gfc_formal_arglist
*formal
;
978 struct gfc_namespace
*formal_ns
;
979 struct gfc_typebound_proc
*tb
;
983 #define gfc_get_component() XCNEW (gfc_component)
985 /* Formal argument lists are lists of symbols. */
986 typedef struct gfc_formal_arglist
988 /* Symbol representing the argument at this position in the arglist. */
989 struct gfc_symbol
*sym
;
990 /* Points to the next formal argument. */
991 struct gfc_formal_arglist
*next
;
995 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
998 /* The gfc_actual_arglist structure is for actual arguments. */
999 typedef struct gfc_actual_arglist
1002 /* Alternate return label when the expr member is null. */
1003 struct gfc_st_label
*label
;
1005 /* This is set to the type of an eventual omitted optional
1006 argument. This is used to determine if a hidden string length
1007 argument has to be added to a function call. */
1008 bt missing_arg_type
;
1010 struct gfc_expr
*expr
;
1011 struct gfc_actual_arglist
*next
;
1015 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1018 /* Because a symbol can belong to multiple namelists, they must be
1019 linked externally to the symbol itself. */
1020 typedef struct gfc_namelist
1022 struct gfc_symbol
*sym
;
1023 struct gfc_namelist
*next
;
1027 #define gfc_get_namelist() XCNEW (gfc_namelist)
1032 OMP_LIST_FIRSTPRIVATE
,
1033 OMP_LIST_LASTPRIVATE
,
1034 OMP_LIST_COPYPRIVATE
,
1038 OMP_LIST_REDUCTION_FIRST
= OMP_LIST_PLUS
,
1050 OMP_LIST_REDUCTION_LAST
= OMP_LIST_IEOR
,
1054 /* Because a symbol can belong to multiple namelists, they must be
1055 linked externally to the symbol itself. */
1057 enum gfc_omp_sched_kind
1067 enum gfc_omp_default_sharing
1069 OMP_DEFAULT_UNKNOWN
,
1071 OMP_DEFAULT_PRIVATE
,
1073 OMP_DEFAULT_FIRSTPRIVATE
1076 typedef struct gfc_omp_clauses
1078 struct gfc_expr
*if_expr
;
1079 struct gfc_expr
*final_expr
;
1080 struct gfc_expr
*num_threads
;
1081 gfc_namelist
*lists
[OMP_LIST_NUM
];
1082 enum gfc_omp_sched_kind sched_kind
;
1083 struct gfc_expr
*chunk_size
;
1084 enum gfc_omp_default_sharing default_sharing
;
1086 bool nowait
, ordered
, untied
, mergeable
;
1090 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1093 /* The gfc_st_label structure is a BBT attached to a namespace that
1094 records the usage of statement labels within that space. */
1096 typedef struct gfc_st_label
1098 BBT_HEADER(gfc_st_label
);
1102 gfc_sl_type defined
, referenced
;
1104 struct gfc_expr
*format
;
1113 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1114 typedef struct gfc_interface
1116 struct gfc_symbol
*sym
;
1118 struct gfc_interface
*next
;
1122 #define gfc_get_interface() XCNEW (gfc_interface)
1124 /* User operator nodes. These are like stripped down symbols. */
1130 struct gfc_namespace
*ns
;
1136 /* A list of specific bindings that are associated with a generic spec. */
1137 typedef struct gfc_tbp_generic
1139 /* The parser sets specific_st, upon resolution we look for the corresponding
1140 gfc_typebound_proc and set specific for further use. */
1141 struct gfc_symtree
* specific_st
;
1142 struct gfc_typebound_proc
* specific
;
1144 struct gfc_tbp_generic
* next
;
1149 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1152 /* Data needed for type-bound procedures. */
1153 typedef struct gfc_typebound_proc
1155 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1159 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1160 gfc_tbp_generic
* generic
;
1165 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1167 /* The overridden type-bound proc (or GENERIC with this name in the
1168 parent-type) or NULL if non. */
1169 struct gfc_typebound_proc
* overridden
;
1171 /* Once resolved, we use the position of pass_arg in the formal arglist of
1172 the binding-target procedure to identify it. The first argument has
1173 number 1 here, the second 2, and so on. */
1174 unsigned pass_arg_num
;
1176 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1177 unsigned non_overridable
:1;
1178 unsigned deferred
:1;
1179 unsigned is_generic
:1;
1180 unsigned function
:1, subroutine
:1;
1181 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1187 /* Symbol nodes. These are important things. They are what the
1188 standard refers to as "entities". The possibly multiple names that
1189 refer to the same entity are accomplished by a binary tree of
1190 symtree structures that is balanced by the red-black method-- more
1191 than one symtree node can point to any given symbol. */
1193 typedef struct gfc_symbol
1195 const char *name
; /* Primary name, before renaming */
1196 const char *module
; /* Module this symbol came from */
1200 symbol_attribute attr
;
1202 /* The formal member points to the formal argument list if the
1203 symbol is a function or subroutine name. If the symbol is a
1204 generic name, the generic member points to the list of
1207 gfc_interface
*generic
;
1208 gfc_access component_access
;
1210 gfc_formal_arglist
*formal
;
1211 struct gfc_namespace
*formal_ns
;
1212 struct gfc_namespace
*f2k_derived
;
1214 struct gfc_expr
*value
; /* Parameter/Initializer value */
1216 struct gfc_symbol
*result
; /* function result symbol */
1217 gfc_component
*components
; /* Derived type components */
1219 /* Defined only for Cray pointees; points to their pointer. */
1220 struct gfc_symbol
*cp_pointer
;
1222 int entry_id
; /* Used in resolve.c for entries. */
1224 /* CLASS hashed name for declared and dynamic types in the class. */
1227 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1229 /* This is in fact a gfc_common_head but it is only used for pointer
1230 comparisons to check if symbols are in the same common block. */
1231 struct gfc_common_head
* common_head
;
1233 /* Make sure setup code for dummy arguments is generated in the correct
1237 gfc_namelist
*namelist
, *namelist_tail
;
1239 /* Change management fields. Symbols that might be modified by the
1240 current statement have the mark member nonzero and are kept in a
1241 singly linked list through the tlink field. Of these symbols,
1242 symbols with old_symbol equal to NULL are symbols created within
1243 the current statement. Otherwise, old_symbol points to a copy of
1246 struct gfc_symbol
*old_symbol
, *tlink
;
1247 unsigned mark
:1, gfc_new
:1;
1248 /* Nonzero if all equivalences associated with this symbol have been
1250 unsigned equiv_built
:1;
1251 /* Set if this variable is used as an index name in a FORALL. */
1252 unsigned forall_index
:1;
1254 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1258 /* Identity of the intrinsic module the symbol comes from, or
1259 INTMOD_NONE if it's not imported from a intrinsic module. */
1260 intmod_id from_intmod
;
1261 /* Identity of the symbol from intrinsic modules, from enums maintained
1262 separately by each intrinsic module. Used together with from_intmod,
1263 it uniquely identifies a symbol from an intrinsic module. */
1266 /* This may be repetitive, since the typespec now has a binding
1268 const char* binding_label
;
1269 /* Store a reference to the common_block, if this symbol is in one. */
1270 struct gfc_common_head
*common_block
;
1272 /* Link to corresponding association-list if this is an associate name. */
1273 struct gfc_association_list
*assoc
;
1277 /* This structure is used to keep track of symbols in common blocks. */
1278 typedef struct gfc_common_head
1281 char use_assoc
, saved
, threadprivate
;
1282 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1283 struct gfc_symbol
*head
;
1284 const char* binding_label
;
1290 #define gfc_get_common_head() XCNEW (gfc_common_head)
1293 /* A list of all the alternate entry points for a procedure. */
1295 typedef struct gfc_entry_list
1297 /* The symbol for this entry point. */
1299 /* The zero-based id of this entry point. */
1301 /* The LABEL_EXPR marking this entry point. */
1303 /* The next item in the list. */
1304 struct gfc_entry_list
*next
;
1308 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1310 /* Lists of rename info for the USE statement. */
1312 typedef struct gfc_use_rename
1314 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1315 struct gfc_use_rename
*next
;
1317 gfc_intrinsic_op op
;
1322 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1324 /* A list of all USE statements in a namespace. */
1326 typedef struct gfc_use_list
1328 const char *module_name
;
1332 struct gfc_use_rename
*rename
;
1334 /* Next USE statement. */
1335 struct gfc_use_list
*next
;
1339 #define gfc_get_use_list() XCNEW (gfc_use_list)
1341 /* Within a namespace, symbols are pointed to by symtree nodes that
1342 are linked together in a balanced binary tree. There can be
1343 several symtrees pointing to the same symbol node via USE
1346 typedef struct gfc_symtree
1348 BBT_HEADER (gfc_symtree
);
1353 gfc_symbol
*sym
; /* Symbol associated with this node */
1355 gfc_common_head
*common
;
1356 gfc_typebound_proc
*tb
;
1362 /* A linked list of derived types in the namespace. */
1363 typedef struct gfc_dt_list
1365 struct gfc_symbol
*derived
;
1366 struct gfc_dt_list
*next
;
1370 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1372 /* A list of all derived types. */
1373 extern gfc_dt_list
*gfc_derived_types
;
1375 /* A namespace describes the contents of procedure, module, interface block
1376 or BLOCK construct. */
1377 /* ??? Anything else use these? */
1379 typedef struct gfc_namespace
1381 /* Tree containing all the symbols in this namespace. */
1382 gfc_symtree
*sym_root
;
1383 /* Tree containing all the user-defined operators in the namespace. */
1384 gfc_symtree
*uop_root
;
1385 /* Tree containing all the common blocks. */
1386 gfc_symtree
*common_root
;
1388 /* Tree containing type-bound procedures. */
1389 gfc_symtree
*tb_sym_root
;
1390 /* Type-bound user operators. */
1391 gfc_symtree
*tb_uop_root
;
1392 /* For derived-types, store type-bound intrinsic operators here. */
1393 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1394 /* Linked list of finalizer procedures. */
1395 struct gfc_finalizer
*finalizers
;
1397 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1398 int set_flag
[GFC_LETTERS
];
1399 /* Keeps track of the implicit types associated with the letters. */
1400 gfc_typespec default_type
[GFC_LETTERS
];
1401 /* Store the positions of IMPLICIT statements. */
1402 locus implicit_loc
[GFC_LETTERS
];
1404 /* If this is a namespace of a procedure, this points to the procedure. */
1405 struct gfc_symbol
*proc_name
;
1406 /* If this is the namespace of a unit which contains executable
1407 code, this points to it. */
1408 struct gfc_code
*code
;
1410 /* Points to the equivalences set up in this namespace. */
1411 struct gfc_equiv
*equiv
, *old_equiv
;
1413 /* Points to the equivalence groups produced by trans_common. */
1414 struct gfc_equiv_list
*equiv_lists
;
1416 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1418 /* Points to the parent namespace, i.e. the namespace of a module or
1419 procedure in which the procedure belonging to this namespace is
1420 contained. The parent namespace points to this namespace either
1421 directly via CONTAINED, or indirectly via the chain built by
1423 struct gfc_namespace
*parent
;
1424 /* CONTAINED points to the first contained namespace. Sibling
1425 namespaces are chained via SIBLING. */
1426 struct gfc_namespace
*contained
, *sibling
;
1428 gfc_common_head blank_common
;
1429 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1431 gfc_st_label
*st_labels
;
1432 /* This list holds information about all the data initializers in
1434 struct gfc_data
*data
;
1436 gfc_charlen
*cl_list
, *old_cl_list
;
1438 gfc_dt_list
*derived_types
;
1440 int save_all
, seen_save
, seen_implicit_none
;
1442 /* Normally we don't need to refcount namespaces. However when we read
1443 a module containing a function with multiple entry points, this
1444 will appear as several functions with the same formal namespace. */
1447 /* A list of all alternate entry points to this procedure (or NULL). */
1448 gfc_entry_list
*entries
;
1450 /* A list of USE statements in this namespace. */
1451 gfc_use_list
*use_stmts
;
1453 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1454 unsigned is_block_data
:1;
1456 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1457 unsigned has_import_set
:1;
1459 /* Set to 1 if resolved has been called for this namespace.
1460 Holds -1 during resolution. */
1463 /* Set to 1 if code has been generated for this namespace. */
1464 unsigned translated
:1;
1466 /* Set to 1 if symbols in this namespace should be 'construct entities',
1467 i.e. for BLOCK local variables. */
1468 unsigned construct_entities
:1;
1472 extern gfc_namespace
*gfc_current_ns
;
1473 extern gfc_namespace
*gfc_global_ns_list
;
1475 /* Global symbols are symbols of global scope. Currently we only use
1476 this to detect collisions already when parsing.
1477 TODO: Extend to verify procedure calls. */
1479 enum gfc_symbol_type
1481 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1482 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1485 typedef struct gfc_gsymbol
1487 BBT_HEADER(gfc_gsymbol
);
1490 const char *sym_name
;
1491 const char *mod_name
;
1492 const char *binding_label
;
1493 enum gfc_symbol_type type
;
1501 extern gfc_gsymbol
*gfc_gsym_root
;
1503 /* Information on interfaces being built. */
1506 interface_type type
;
1510 gfc_intrinsic_op op
;
1514 extern gfc_interface_info current_interface
;
1517 /* Array reference. */
1519 enum gfc_array_ref_dimen_type
1521 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1524 typedef struct gfc_array_ref
1527 int dimen
; /* # of components in the reference */
1529 bool in_allocate
; /* For coarray checks. */
1533 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1534 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1535 *stride
[GFC_MAX_DIMENSIONS
];
1537 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1541 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1544 /* Component reference nodes. A variable is stored as an expression
1545 node that points to the base symbol. After that, a singly linked
1546 list of component reference nodes gives the variable's complete
1547 resolution. The array_ref component may be present and comes
1548 before the component component. */
1551 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
}
1554 typedef struct gfc_ref
1560 struct gfc_array_ref ar
;
1564 gfc_component
*component
;
1571 struct gfc_expr
*start
, *end
; /* Substring */
1572 gfc_charlen
*length
;
1579 struct gfc_ref
*next
;
1583 #define gfc_get_ref() XCNEW (gfc_ref)
1586 /* Structures representing intrinsic symbols and their arguments lists. */
1587 typedef struct gfc_intrinsic_arg
1589 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1592 unsigned optional
:1, value
:1;
1593 ENUM_BITFIELD (sym_intent
) intent
:2;
1594 gfc_actual_arglist
*actual
;
1596 struct gfc_intrinsic_arg
*next
;
1602 /* Specifies the various kinds of check functions used to verify the
1603 argument lists of intrinsic functions. fX with X an integer refer
1604 to check functions of intrinsics with X arguments. f1m is used for
1605 the MAX and MIN intrinsics which can have an arbitrary number of
1606 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1607 these have special semantics. */
1611 gfc_try (*f0
)(void);
1612 gfc_try (*f1
)(struct gfc_expr
*);
1613 gfc_try (*f1m
)(gfc_actual_arglist
*);
1614 gfc_try (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1615 gfc_try (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1616 gfc_try (*f3ml
)(gfc_actual_arglist
*);
1617 gfc_try (*f3red
)(gfc_actual_arglist
*);
1618 gfc_try (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1620 gfc_try (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1621 struct gfc_expr
*, struct gfc_expr
*);
1625 /* Like gfc_check_f, these specify the type of the simplification
1626 function associated with an intrinsic. The fX are just like in
1627 gfc_check_f. cc is used for type conversion functions. */
1631 struct gfc_expr
*(*f0
)(void);
1632 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
1633 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
1634 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
1636 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
1637 struct gfc_expr
*, struct gfc_expr
*);
1638 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
1639 struct gfc_expr
*, struct gfc_expr
*,
1641 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
1645 /* Again like gfc_check_f, these specify the type of the resolution
1646 function associated with an intrinsic. The fX are just like in
1647 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
1651 void (*f0
)(struct gfc_expr
*);
1652 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
1653 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
1654 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1655 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1657 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1658 struct gfc_expr
*, struct gfc_expr
*);
1659 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
1660 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
1661 void (*s1
)(struct gfc_code
*);
1666 typedef struct gfc_intrinsic_sym
1668 const char *name
, *lib_name
;
1669 gfc_intrinsic_arg
*formal
;
1671 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
1672 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
1677 gfc_simplify_f simplify
;
1679 gfc_resolve_f resolve
;
1680 struct gfc_intrinsic_sym
*specific_head
, *next
;
1687 /* Expression nodes. The expression node types deserve explanations,
1688 since the last couple can be easily misconstrued:
1690 EXPR_OP Operator node pointing to one or two other nodes
1691 EXPR_FUNCTION Function call, symbol points to function's name
1692 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1693 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1694 which expresses structure, array and substring refs.
1695 EXPR_NULL The NULL pointer value (which also has a basic type).
1696 EXPR_SUBSTRING A substring of a constant string
1697 EXPR_STRUCTURE A structure constructor
1698 EXPR_ARRAY An array constructor.
1699 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
1700 component or type-bound procedure. */
1704 #define GFC_RND_MODE GMP_RNDN
1705 #define GFC_MPC_RND_MODE MPC_RNDNN
1707 typedef splay_tree gfc_constructor_base
;
1709 typedef struct gfc_expr
1713 gfc_typespec ts
; /* These two refer to the overall expression */
1715 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
1716 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
1718 /* Nonnull for functions and structure constructors, may also used to hold the
1719 base-object for component calls. */
1720 gfc_symtree
*symtree
;
1726 /* Used to store the base expression in component calls, when the expression
1727 is not a variable. */
1728 struct gfc_expr
*base_expr
;
1730 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
1731 denotes a signalling not-a-number. */
1732 unsigned int is_boz
: 1, is_snan
: 1;
1734 /* Sometimes, when an error has been emitted, it is necessary to prevent
1735 it from recurring. */
1736 unsigned int error
: 1;
1738 /* Mark an expression where a user operator has been substituted by
1739 a function call in interface.c(gfc_extend_expr). */
1740 unsigned int user_operator
: 1;
1742 /* Mark an expression as being a MOLD argument of ALLOCATE. */
1743 unsigned int mold
: 1;
1745 /* If an expression comes from a Hollerith constant or compile-time
1746 evaluation of a transfer statement, it may have a prescribed target-
1747 memory representation, and these cannot always be backformed from
1770 gfc_intrinsic_op op
;
1772 struct gfc_expr
*op1
, *op2
;
1778 gfc_actual_arglist
*actual
;
1779 const char *name
; /* Points to the ultimate name of the function */
1780 gfc_intrinsic_sym
*isym
;
1787 gfc_actual_arglist
* actual
;
1789 /* Base-object, whose component was called. NULL means that it should
1790 be taken from symtree/ref. */
1791 struct gfc_expr
* base_object
;
1792 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
1794 /* For type-bound operators, we want to call PASS procedures but already
1795 have the full arglist; mark this, so that it is not extended by the
1797 unsigned ignore_pass
:1;
1799 /* Do assign-calls rather than calls, that is appropriate dependency
1812 gfc_constructor_base constructor
;
1820 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
1822 /* Structures for information associated with different kinds of
1823 numbers. The first set of integer parameters define all there is
1824 to know about a particular kind. The rest of the elements are
1825 computed from the first elements. */
1829 /* Values really representable by the target. */
1830 mpz_t huge
, pedantic_min_int
, min_int
;
1832 int kind
, radix
, digits
, bit_size
, range
;
1834 /* True if the C type of the given name maps to this precision.
1835 Note that more than one bit can be set. */
1836 unsigned int c_char
: 1;
1837 unsigned int c_short
: 1;
1838 unsigned int c_int
: 1;
1839 unsigned int c_long
: 1;
1840 unsigned int c_long_long
: 1;
1844 extern gfc_integer_info gfc_integer_kinds
[];
1851 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1852 unsigned int c_bool
: 1;
1856 extern gfc_logical_info gfc_logical_kinds
[];
1861 mpfr_t epsilon
, huge
, tiny
, subnormal
;
1862 int kind
, radix
, digits
, min_exponent
, max_exponent
;
1863 int range
, precision
;
1865 /* The precision of the type as reported by GET_MODE_PRECISION. */
1868 /* True if the C type of the given name maps to this precision.
1869 Note that more than one bit can be set. */
1870 unsigned int c_float
: 1;
1871 unsigned int c_double
: 1;
1872 unsigned int c_long_double
: 1;
1873 unsigned int c_float128
: 1;
1877 extern gfc_real_info gfc_real_kinds
[];
1886 extern gfc_character_info gfc_character_kinds
[];
1889 /* Equivalence structures. Equivalent lvalues are linked along the
1890 *eq pointer, equivalence sets are strung along the *next node. */
1891 typedef struct gfc_equiv
1893 struct gfc_equiv
*next
, *eq
;
1900 #define gfc_get_equiv() XCNEW (gfc_equiv)
1902 /* Holds a single equivalence member after processing. */
1903 typedef struct gfc_equiv_info
1906 HOST_WIDE_INT offset
;
1907 HOST_WIDE_INT length
;
1908 struct gfc_equiv_info
*next
;
1911 /* Holds equivalence groups, after they have been processed. */
1912 typedef struct gfc_equiv_list
1914 gfc_equiv_info
*equiv
;
1915 struct gfc_equiv_list
*next
;
1918 /* gfc_case stores the selector list of a case statement. The *low
1919 and *high pointers can point to the same expression in the case of
1920 a single value. If *high is NULL, the selection is from *low
1921 upwards, if *low is NULL the selection is *high downwards.
1923 This structure has separate fields to allow single and double linked
1924 lists of CASEs at the same time. The singe linked list along the NEXT
1925 field is a list of cases for a single CASE label. The double linked
1926 list along the LEFT/RIGHT fields is used to detect overlap and to
1927 build a table of the cases for SELECT constructs with a CHARACTER
1930 typedef struct gfc_case
1932 /* Where we saw this case. */
1936 /* Case range values. If (low == high), it's a single value. If one of
1937 the labels is NULL, it's an unbounded case. If both are NULL, this
1938 represents the default case. */
1939 gfc_expr
*low
, *high
;
1941 /* Only used for SELECT TYPE. */
1944 /* Next case label in the list of cases for a single CASE label. */
1945 struct gfc_case
*next
;
1947 /* Used for detecting overlap, and for code generation. */
1948 struct gfc_case
*left
, *right
;
1950 /* True if this case label can never be matched. */
1955 #define gfc_get_case() XCNEW (gfc_case)
1960 gfc_expr
*var
, *start
, *end
, *step
;
1964 #define gfc_get_iterator() XCNEW (gfc_iterator)
1967 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1969 typedef struct gfc_alloc
1972 struct gfc_alloc
*next
;
1976 #define gfc_get_alloc() XCNEW (gfc_alloc)
1981 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
1982 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
1983 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
;
1991 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
1999 gfc_expr
*unit
, *iostat
, *iomsg
;
2007 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2008 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2009 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2010 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2011 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2022 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2023 gfc_st_label
*err
, *end
, *eor
;
2030 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2031 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2032 *sign
, *extra_comma
, *dt_io_kind
;
2034 gfc_symbol
*namelist
;
2035 /* A format_label of `format_asterisk' indicates the "*" format */
2036 gfc_st_label
*format_label
;
2037 gfc_st_label
*err
, *end
, *eor
;
2039 locus eor_where
, end_where
, err_where
;
2044 typedef struct gfc_forall_iterator
2046 gfc_expr
*var
, *start
, *end
, *stride
;
2047 struct gfc_forall_iterator
*next
;
2049 gfc_forall_iterator
;
2052 /* Linked list to store associations in an ASSOCIATE statement. */
2054 typedef struct gfc_association_list
2056 struct gfc_association_list
*next
;
2058 /* Whether this is association to a variable that can be changed; otherwise,
2059 it's association to an expression and the name may not be used as
2061 unsigned variable
:1;
2063 /* True if this struct is currently only linked to from a gfc_symbol rather
2064 than as part of a real list in gfc_code->ext.block.assoc. This may
2065 happen for SELECT TYPE temporaries and must be considered
2066 for memory handling. */
2067 unsigned dangling
:1;
2069 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2070 gfc_symtree
*st
; /* Symtree corresponding to name. */
2075 gfc_association_list
;
2076 #define gfc_get_association_list() XCNEW (gfc_association_list)
2079 /* Executable statements that fill gfc_code structures. */
2082 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2083 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2084 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2085 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2086 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2087 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2088 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2089 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2090 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2091 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2092 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2093 EXEC_LOCK
, EXEC_UNLOCK
,
2094 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2095 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2096 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2097 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2098 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2099 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2106 GFC_OMP_ATOMIC_UPDATE
,
2107 GFC_OMP_ATOMIC_READ
,
2108 GFC_OMP_ATOMIC_WRITE
,
2109 GFC_OMP_ATOMIC_CAPTURE
2113 typedef struct gfc_code
2117 struct gfc_code
*block
, *next
;
2120 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2121 gfc_symtree
*symtree
;
2122 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2123 /* A name isn't sufficient to identify a subroutine, we need the actual
2124 symbol for the interface definition.
2125 const char *sub_name; */
2126 gfc_symbol
*resolved_sym
;
2127 gfc_intrinsic_sym
*resolved_isym
;
2131 gfc_actual_arglist
*actual
;
2132 gfc_iterator
*iterator
;
2144 gfc_association_list
*assoc
;
2145 gfc_case
*case_list
;
2151 gfc_filepos
*filepos
;
2152 gfc_inquire
*inquire
;
2155 gfc_forall_iterator
*forall_iterator
;
2156 struct gfc_code
*which_construct
;
2158 gfc_entry_list
*entry
;
2159 gfc_omp_clauses
*omp_clauses
;
2160 const char *omp_name
;
2161 gfc_namelist
*omp_namelist
;
2163 gfc_omp_atomic_op omp_atomic
;
2165 ext
; /* Points to additional structures required by statement */
2167 /* Cycle and break labels in constructs. */
2174 /* Storage for DATA statements. */
2175 typedef struct gfc_data_variable
2179 struct gfc_data_variable
*list
, *next
;
2184 typedef struct gfc_data_value
2188 struct gfc_data_value
*next
;
2193 typedef struct gfc_data
2195 gfc_data_variable
*var
;
2196 gfc_data_value
*value
;
2199 struct gfc_data
*next
;
2204 /* Structure for holding compile options */
2208 gfc_source_form source_form
;
2209 /* Maximum line lengths in fixed- and free-form source, respectively.
2210 When fixed_line_length or free_line_length are 0, the whole line is used,
2211 regardless of length.
2213 If the user requests a fixed_line_length <7 then gfc_init_options()
2214 emits a fatal error. */
2215 int fixed_line_length
;
2216 int free_line_length
;
2217 /* Maximum number of continuation lines in fixed- and free-form source,
2219 int max_continue_fixed
;
2220 int max_continue_free
;
2221 int max_identifier_length
;
2222 int dump_fortran_original
;
2223 int dump_fortran_optimized
;
2227 int gfc_warn_conversion
;
2228 int warn_c_binding_type
;
2229 int warn_conversion_extra
;
2230 int warn_function_elimination
;
2231 int warn_implicit_interface
;
2232 int warn_implicit_procedure
;
2233 int warn_line_truncation
;
2234 int warn_surprising
;
2237 int warn_intrinsic_shadow
;
2238 int warn_intrinsics_std
;
2239 int warn_character_truncation
;
2240 int warn_array_temp
;
2241 int warn_align_commons
;
2242 int warn_real_q_constant
;
2243 int warn_unused_dummy_argument
;
2244 int warn_realloc_lhs
;
2245 int warn_realloc_lhs_all
;
2246 int warn_compare_reals
;
2247 int warn_target_lifetime
;
2250 int flag_all_intrinsics
;
2251 int flag_default_double
;
2252 int flag_default_integer
;
2253 int flag_default_real
;
2254 int flag_integer4_kind
;
2255 int flag_real4_kind
;
2256 int flag_real8_kind
;
2258 int flag_underscoring
;
2259 int flag_second_underscore
;
2260 int flag_implicit_none
;
2261 int flag_max_stack_var_size
;
2262 int flag_max_array_constructor
;
2263 int flag_range_check
;
2264 int flag_pack_derived
;
2265 int flag_repack_arrays
;
2266 int flag_preprocessed
;
2271 int flag_allow_leading_underscore
;
2272 int flag_external_blas
;
2273 int blas_matmul_limit
;
2274 int flag_cray_pointer
;
2276 int gfc_flag_openmp
;
2278 int flag_stack_arrays
;
2279 int flag_module_private
;
2281 int flag_init_local_zero
;
2282 int flag_init_integer
;
2283 int flag_init_integer_value
;
2285 int flag_init_logical
;
2286 int flag_init_character
;
2287 char flag_init_character_value
;
2288 int flag_align_commons
;
2289 int flag_whole_file
;
2290 int flag_protect_parens
;
2291 int flag_realloc_lhs
;
2292 int flag_aggressive_function_elimination
;
2293 int flag_frontend_optimize
;
2297 gfc_fcoarray coarray
;
2303 int max_subrecord_length
;
2307 extern gfc_option_t gfc_option
;
2309 /* Constructor nodes for array and structure constructors. */
2310 typedef struct gfc_constructor
2312 gfc_constructor_base base
;
2313 mpz_t offset
; /* Offset within a constructor, used as
2317 gfc_iterator
*iterator
;
2322 gfc_component
*component
; /* Record the component being initialized. */
2325 mpz_t repeat
; /* Record the repeat number of initial values in data
2326 statement like "data a/5*10/". */
2331 typedef struct iterator_stack
2333 gfc_symtree
*variable
;
2335 struct iterator_stack
*prev
;
2338 extern iterator_stack
*iter_stack
;
2341 /* Used for (possibly nested) SELECT TYPE statements. */
2342 typedef struct gfc_select_type_stack
2344 gfc_symbol
*selector
; /* Current selector variable. */
2345 gfc_symtree
*tmp
; /* Current temporary variable. */
2346 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2348 gfc_select_type_stack
;
2349 extern gfc_select_type_stack
*select_type_stack
;
2350 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2353 /* Node in the linked list used for storing finalizer procedures. */
2355 typedef struct gfc_finalizer
2357 struct gfc_finalizer
* next
;
2358 locus where
; /* Where the FINAL declaration occurred. */
2360 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2361 symtree and later need only that. This way, we can access and call the
2362 finalizers from every context as they should be "always accessible". I
2363 don't make this a union because we need the information whether proc_sym is
2364 still referenced or not for dereferencing it on deleting a gfc_finalizer
2366 gfc_symbol
* proc_sym
;
2367 gfc_symtree
* proc_tree
;
2370 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2373 /************************ Function prototypes *************************/
2376 bool gfc_in_match_data (void);
2377 match
gfc_match_char_spec (gfc_typespec
*);
2380 void gfc_scanner_done_1 (void);
2381 void gfc_scanner_init_1 (void);
2383 void gfc_add_include_path (const char *, bool, bool);
2384 void gfc_add_intrinsic_modules_path (const char *);
2385 void gfc_release_include_path (void);
2386 FILE *gfc_open_included_file (const char *, bool, bool);
2387 FILE *gfc_open_intrinsic_module (const char *);
2389 int gfc_at_end (void);
2390 int gfc_at_eof (void);
2391 int gfc_at_bol (void);
2392 int gfc_at_eol (void);
2393 void gfc_advance_line (void);
2394 int gfc_check_include (void);
2395 int gfc_define_undef_line (void);
2397 int gfc_wide_is_printable (gfc_char_t
);
2398 int gfc_wide_is_digit (gfc_char_t
);
2399 int gfc_wide_fits_in_byte (gfc_char_t
);
2400 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2401 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2402 size_t gfc_wide_strlen (const gfc_char_t
*);
2403 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2404 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2405 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2406 gfc_char_t
*gfc_char_to_widechar (const char *);
2408 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2410 void gfc_skip_comments (void);
2411 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2412 gfc_char_t
gfc_next_char (void);
2413 char gfc_next_ascii_char (void);
2414 gfc_char_t
gfc_peek_char (void);
2415 char gfc_peek_ascii_char (void);
2416 void gfc_error_recovery (void);
2417 void gfc_gobble_whitespace (void);
2418 gfc_try
gfc_new_file (void);
2419 const char * gfc_read_orig_filename (const char *, const char **);
2421 extern gfc_source_form gfc_current_form
;
2422 extern const char *gfc_source_file
;
2423 extern locus gfc_current_locus
;
2425 void gfc_start_source_files (void);
2426 void gfc_end_source_files (void);
2429 int gfc_terminal_width (void);
2430 void gfc_clear_ts (gfc_typespec
*);
2431 FILE *gfc_open_file (const char *);
2432 const char *gfc_basic_typename (bt
);
2433 const char *gfc_typename (gfc_typespec
*);
2434 const char *gfc_op2string (gfc_intrinsic_op
);
2435 const char *gfc_code2string (const mstring
*, int);
2436 int gfc_string2code (const mstring
*, const char *);
2437 const char *gfc_intent_string (sym_intent
);
2439 void gfc_init_1 (void);
2440 void gfc_init_2 (void);
2441 void gfc_done_1 (void);
2442 void gfc_done_2 (void);
2444 int get_c_kind (const char *, CInteropKind_t
*);
2447 unsigned int gfc_option_lang_mask (void);
2448 void gfc_init_options_struct (struct gcc_options
*);
2449 void gfc_init_options (unsigned int,
2450 struct cl_decoded_option
*);
2451 bool gfc_handle_option (size_t, const char *, int, int, location_t
,
2452 const struct cl_option_handlers
*);
2453 bool gfc_post_options (const char **);
2454 char *gfc_get_option_string (void);
2457 void gfc_maybe_initialize_eh (void);
2460 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2461 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2465 typedef struct gfc_error_buf
2468 size_t allocated
, index
;
2472 void gfc_error_init_1 (void);
2473 void gfc_buffer_error (int);
2475 const char *gfc_print_wide_char (gfc_char_t
);
2477 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2478 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2479 void gfc_clear_warning (void);
2480 void gfc_warning_check (void);
2482 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2483 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2484 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2485 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2486 void gfc_clear_error (void);
2487 int gfc_error_check (void);
2488 int gfc_error_flag_test (void);
2490 notification
gfc_notification_std (int);
2491 gfc_try
gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2493 /* A general purpose syntax error. */
2494 #define gfc_syntax_error(ST) \
2495 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2497 void gfc_push_error (gfc_error_buf
*);
2498 void gfc_pop_error (gfc_error_buf
*);
2499 void gfc_free_error (gfc_error_buf
*);
2501 void gfc_get_errors (int *, int *);
2502 void gfc_errors_to_warnings (int);
2505 void gfc_arith_init_1 (void);
2506 void gfc_arith_done_1 (void);
2507 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2508 bool gfc_check_character_range (gfc_char_t
, int);
2511 gfc_try
gfc_check_any_c_kind (gfc_typespec
*);
2512 int gfc_validate_kind (bt
, int, bool);
2513 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2514 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2515 tree
gfc_get_derived_type (gfc_symbol
* derived
);
2516 extern int gfc_index_integer_kind
;
2517 extern int gfc_default_integer_kind
;
2518 extern int gfc_max_integer_kind
;
2519 extern int gfc_default_real_kind
;
2520 extern int gfc_default_double_kind
;
2521 extern int gfc_default_character_kind
;
2522 extern int gfc_default_logical_kind
;
2523 extern int gfc_default_complex_kind
;
2524 extern int gfc_c_int_kind
;
2525 extern int gfc_atomic_int_kind
;
2526 extern int gfc_atomic_logical_kind
;
2527 extern int gfc_intio_kind
;
2528 extern int gfc_charlen_int_kind
;
2529 extern int gfc_numeric_storage_size
;
2530 extern int gfc_character_storage_size
;
2533 void gfc_clear_new_implicit (void);
2534 gfc_try
gfc_add_new_implicit_range (int, int);
2535 gfc_try
gfc_merge_new_implicit (gfc_typespec
*);
2536 void gfc_set_implicit_none (void);
2537 void gfc_check_function_type (gfc_namespace
*);
2538 bool gfc_is_intrinsic_typename (const char *);
2540 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2541 gfc_try
gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2543 void gfc_set_sym_referenced (gfc_symbol
*);
2545 gfc_try
gfc_add_attribute (symbol_attribute
*, locus
*);
2546 gfc_try
gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2547 gfc_try
gfc_add_allocatable (symbol_attribute
*, locus
*);
2548 gfc_try
gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2549 gfc_try
gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2550 gfc_try
gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2551 gfc_try
gfc_add_external (symbol_attribute
*, locus
*);
2552 gfc_try
gfc_add_intrinsic (symbol_attribute
*, locus
*);
2553 gfc_try
gfc_add_optional (symbol_attribute
*, locus
*);
2554 gfc_try
gfc_add_pointer (symbol_attribute
*, locus
*);
2555 gfc_try
gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2556 gfc_try
gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2557 match
gfc_mod_pointee_as (gfc_array_spec
*);
2558 gfc_try
gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2559 gfc_try
gfc_add_result (symbol_attribute
*, const char *, locus
*);
2560 gfc_try
gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2561 gfc_try
gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2562 gfc_try
gfc_add_saved_common (symbol_attribute
*, locus
*);
2563 gfc_try
gfc_add_target (symbol_attribute
*, locus
*);
2564 gfc_try
gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2565 gfc_try
gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2566 gfc_try
gfc_add_common (symbol_attribute
*, locus
*);
2567 gfc_try
gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2568 gfc_try
gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2569 gfc_try
gfc_add_data (symbol_attribute
*, const char *, locus
*);
2570 gfc_try
gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2571 gfc_try
gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2572 gfc_try
gfc_add_elemental (symbol_attribute
*, locus
*);
2573 gfc_try
gfc_add_pure (symbol_attribute
*, locus
*);
2574 gfc_try
gfc_add_recursive (symbol_attribute
*, locus
*);
2575 gfc_try
gfc_add_function (symbol_attribute
*, const char *, locus
*);
2576 gfc_try
gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2577 gfc_try
gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2578 gfc_try
gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2579 gfc_try
gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2580 gfc_try
gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2582 gfc_try
gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2583 gfc_try
gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2584 gfc_try
gfc_add_extension (symbol_attribute
*, locus
*);
2585 gfc_try
gfc_add_value (symbol_attribute
*, const char *, locus
*);
2586 gfc_try
gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2587 gfc_try
gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2588 gfc_try
gfc_add_procedure (symbol_attribute
*, procedure_type
,
2589 const char *, locus
*);
2590 gfc_try
gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2591 gfc_try
gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2592 gfc_formal_arglist
*, locus
*);
2593 gfc_try
gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2595 void gfc_clear_attr (symbol_attribute
*);
2596 gfc_try
gfc_missing_attr (symbol_attribute
*, locus
*);
2597 gfc_try
gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2599 gfc_try
gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
2600 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
2601 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
2602 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool);
2604 gfc_st_label
*gfc_get_st_label (int);
2605 void gfc_free_st_label (gfc_st_label
*);
2606 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
2607 gfc_try
gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
2609 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
2610 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
2611 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
2612 void gfc_delete_symtree (gfc_symtree
**, const char *);
2613 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
2614 gfc_user_op
*gfc_get_uop (const char *);
2615 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
2616 void gfc_free_symbol (gfc_symbol
*);
2617 void gfc_release_symbol (gfc_symbol
*);
2618 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
2619 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
2620 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
2621 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
2622 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
2623 gfc_try
gfc_verify_c_interop (gfc_typespec
*);
2624 gfc_try
gfc_verify_c_interop_param (gfc_symbol
*);
2625 gfc_try
verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
2626 gfc_try
verify_bind_c_derived_type (gfc_symbol
*);
2627 gfc_try
verify_com_block_vars_c_interop (gfc_common_head
*);
2628 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol
, const char *);
2629 gfc_symbol
*get_iso_c_sym (gfc_symbol
*, char *, const char *, int);
2630 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
2631 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
2632 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
2634 void gfc_undo_symbols (void);
2635 void gfc_commit_symbols (void);
2636 void gfc_commit_symbol (gfc_symbol
*);
2637 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
2638 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
2639 void gfc_free_namespace (gfc_namespace
*);
2641 void gfc_symbol_init_2 (void);
2642 void gfc_symbol_done_2 (void);
2644 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
2645 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
2646 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
2647 void gfc_save_all (gfc_namespace
*);
2649 void gfc_enforce_clean_symbol_state (void);
2650 void gfc_free_dt_list (void);
2653 gfc_gsymbol
*gfc_get_gsymbol (const char *);
2654 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
2656 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
2657 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
2658 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
2659 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
2660 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
2662 void gfc_copy_formal_args (gfc_symbol
*, gfc_symbol
*, ifsrc
);
2663 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*);
2664 void gfc_copy_formal_args_ppc (gfc_component
*, gfc_symbol
*, ifsrc
);
2666 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
2668 gfc_try
gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
2669 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
2671 bool gfc_is_associate_pointer (gfc_symbol
*);
2672 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
2674 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
2675 extern bool gfc_init_expr_flag
;
2677 /* Given a symbol that we have decided is intrinsic, mark it as such
2678 by placing it into a special module that is otherwise impossible to
2681 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
2683 void gfc_intrinsic_init_1 (void);
2684 void gfc_intrinsic_done_1 (void);
2686 char gfc_type_letter (bt
);
2687 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
2688 gfc_try
gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
2689 gfc_try
gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
2690 gfc_try
gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
2691 int gfc_generic_intrinsic (const char *);
2692 int gfc_specific_intrinsic (const char *);
2693 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
2694 int gfc_intrinsic_actual_ok (const char *, const bool);
2695 gfc_intrinsic_sym
*gfc_find_function (const char *);
2696 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
2697 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
2699 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
2700 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
2702 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
2703 gfc_try
gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
2706 /* match.c -- FIXME */
2707 void gfc_free_iterator (gfc_iterator
*, int);
2708 void gfc_free_forall_iterator (gfc_forall_iterator
*);
2709 void gfc_free_alloc_list (gfc_alloc
*);
2710 void gfc_free_namelist (gfc_namelist
*);
2711 void gfc_free_equiv (gfc_equiv
*);
2712 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
2713 void gfc_free_data (gfc_data
*);
2714 void gfc_free_case_list (gfc_case
*);
2716 /* matchexp.c -- FIXME too? */
2717 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
2720 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
2721 void gfc_free_omp_clauses (gfc_omp_clauses
*);
2722 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
2723 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*);
2724 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
2725 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
2726 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
2727 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
2730 void gfc_free_actual_arglist (gfc_actual_arglist
*);
2731 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
2732 const char *gfc_extract_int (gfc_expr
*, int *);
2733 bool is_subref_array (gfc_expr
*);
2734 bool gfc_is_simply_contiguous (gfc_expr
*, bool);
2735 gfc_try
gfc_check_init_expr (gfc_expr
*);
2737 gfc_expr
*gfc_build_conversion (gfc_expr
*);
2738 void gfc_free_ref_list (gfc_ref
*);
2739 void gfc_type_convert_binary (gfc_expr
*, int);
2740 int gfc_is_constant_expr (gfc_expr
*);
2741 gfc_try
gfc_simplify_expr (gfc_expr
*, int);
2742 int gfc_has_vector_index (gfc_expr
*);
2744 gfc_expr
*gfc_get_expr (void);
2745 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
2746 gfc_expr
*gfc_get_null_expr (locus
*);
2747 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
2748 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
2749 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
2750 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, int len
);
2751 gfc_expr
*gfc_get_int_expr (int, locus
*, int);
2752 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
2753 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
2755 void gfc_clear_shape (mpz_t
*shape
, int rank
);
2756 void gfc_free_shape (mpz_t
**shape
, int rank
);
2757 void gfc_free_expr (gfc_expr
*);
2758 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
2759 mpz_t
*gfc_copy_shape (mpz_t
*, int);
2760 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
2761 gfc_expr
*gfc_copy_expr (gfc_expr
*);
2762 gfc_ref
* gfc_copy_ref (gfc_ref
*);
2764 gfc_try
gfc_specification_expr (gfc_expr
*);
2766 int gfc_numeric_ts (gfc_typespec
*);
2767 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
2769 gfc_try
gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
2770 gfc_try
gfc_check_assign (gfc_expr
*, gfc_expr
*, int);
2771 gfc_try
gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
2772 gfc_try
gfc_check_assign_symbol (gfc_symbol
*, gfc_expr
*);
2774 bool gfc_has_default_initializer (gfc_symbol
*);
2775 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
2776 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
2777 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
2778 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
2780 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
2782 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
2783 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
2785 void gfc_expr_set_symbols_referenced (gfc_expr
*);
2786 gfc_try
gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
2787 void gfc_expr_replace_symbols (gfc_expr
*, gfc_symbol
*);
2788 void gfc_expr_replace_comp (gfc_expr
*, gfc_component
*);
2790 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
2791 bool gfc_is_proc_ptr_comp (gfc_expr
*);
2793 bool gfc_ref_this_image (gfc_ref
*ref
);
2794 bool gfc_is_coindexed (gfc_expr
*);
2795 bool gfc_is_coarray (gfc_expr
*);
2796 int gfc_get_corank (gfc_expr
*);
2797 bool gfc_has_ultimate_allocatable (gfc_expr
*);
2798 bool gfc_has_ultimate_pointer (gfc_expr
*);
2800 gfc_expr
* gfc_build_intrinsic_call (const char*, locus
, unsigned, ...);
2801 gfc_try
gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
2805 extern gfc_code new_st
;
2807 void gfc_clear_new_st (void);
2808 gfc_code
*gfc_get_code (void);
2809 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
2810 void gfc_free_statement (gfc_code
*);
2811 void gfc_free_statements (gfc_code
*);
2812 void gfc_free_association_list (gfc_association_list
*);
2815 gfc_try
gfc_resolve_expr (gfc_expr
*);
2816 void gfc_resolve (gfc_namespace
*);
2817 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
2818 int gfc_impure_variable (gfc_symbol
*);
2819 int gfc_pure (gfc_symbol
*);
2820 int gfc_implicit_pure (gfc_symbol
*);
2821 int gfc_elemental (gfc_symbol
*);
2822 gfc_try
gfc_resolve_iterator (gfc_iterator
*, bool, bool);
2823 gfc_try
find_forall_index (gfc_expr
*, gfc_symbol
*, int);
2824 gfc_try
gfc_resolve_index (gfc_expr
*, int);
2825 gfc_try
gfc_resolve_dim_arg (gfc_expr
*);
2826 int gfc_is_formal_arg (void);
2827 void gfc_resolve_substring_charlen (gfc_expr
*);
2828 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
2829 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
2830 bool gfc_type_is_extensible (gfc_symbol
*);
2831 gfc_try
gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
2835 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
2837 void gfc_free_array_spec (gfc_array_spec
*);
2838 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
2840 gfc_try
gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
2841 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
2842 gfc_try
gfc_resolve_array_spec (gfc_array_spec
*, int);
2844 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
2846 void gfc_simplify_iterator_var (gfc_expr
*);
2847 gfc_try
gfc_expand_constructor (gfc_expr
*, bool);
2848 int gfc_constant_ac (gfc_expr
*);
2849 int gfc_expanded_ac (gfc_expr
*);
2850 gfc_try
gfc_resolve_character_array_constructor (gfc_expr
*);
2851 gfc_try
gfc_resolve_array_constructor (gfc_expr
*);
2852 gfc_try
gfc_check_constructor_type (gfc_expr
*);
2853 gfc_try
gfc_check_iter_variable (gfc_expr
*);
2854 gfc_try
gfc_check_constructor (gfc_expr
*, gfc_try (*)(gfc_expr
*));
2855 gfc_try
gfc_array_size (gfc_expr
*, mpz_t
*);
2856 gfc_try
gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
2857 gfc_try
gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
2858 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*);
2859 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
2860 gfc_try
spec_size (gfc_array_spec
*, mpz_t
*);
2861 gfc_try
spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
2862 int gfc_is_compile_time_shape (gfc_array_spec
*);
2864 gfc_try
gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
2867 /* interface.c -- FIXME: some of these should be in symbol.c */
2868 void gfc_free_interface (gfc_interface
*);
2869 int gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
2870 int gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
2871 int gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
2872 char *, int, const char *, const char *);
2873 void gfc_check_interfaces (gfc_namespace
*);
2874 gfc_try
gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
2875 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
2876 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
2877 gfc_actual_arglist
**);
2878 match
gfc_extend_expr (gfc_expr
*);
2879 void gfc_free_formal_arglist (gfc_formal_arglist
*);
2880 gfc_try
gfc_extend_assign (gfc_code
*, gfc_namespace
*);
2881 gfc_try
gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
2882 gfc_try
gfc_add_interface (gfc_symbol
*);
2883 gfc_interface
*gfc_current_interface_head (void);
2884 void gfc_set_current_interface_head (gfc_interface
*);
2885 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
2886 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
2887 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
2888 int gfc_has_vector_subscript (gfc_expr
*);
2889 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
2890 gfc_try
gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
2893 extern gfc_st_label format_asterisk
;
2895 void gfc_free_open (gfc_open
*);
2896 gfc_try
gfc_resolve_open (gfc_open
*);
2897 void gfc_free_close (gfc_close
*);
2898 gfc_try
gfc_resolve_close (gfc_close
*);
2899 void gfc_free_filepos (gfc_filepos
*);
2900 gfc_try
gfc_resolve_filepos (gfc_filepos
*);
2901 void gfc_free_inquire (gfc_inquire
*);
2902 gfc_try
gfc_resolve_inquire (gfc_inquire
*);
2903 void gfc_free_dt (gfc_dt
*);
2904 gfc_try
gfc_resolve_dt (gfc_dt
*, locus
*);
2905 void gfc_free_wait (gfc_wait
*);
2906 gfc_try
gfc_resolve_wait (gfc_wait
*);
2909 void gfc_module_init_2 (void);
2910 void gfc_module_done_2 (void);
2911 void gfc_dump_module (const char *, int);
2912 bool gfc_check_symbol_access (gfc_symbol
*);
2913 void gfc_free_use_stmts (gfc_use_list
*);
2916 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
2917 symbol_attribute
gfc_expr_attr (gfc_expr
*);
2918 match
gfc_match_rvalue (gfc_expr
**);
2919 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
2920 int gfc_check_digit (char, int);
2921 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
2922 gfc_try
gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
2924 gfc_actual_arglist
**, bool);
2927 void gfc_generate_code (gfc_namespace
*);
2928 void gfc_generate_module_code (gfc_namespace
*);
2929 void gfc_init_coarray_decl (bool);
2931 /* trans-intrinsic.c */
2932 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
2935 typedef int (*compare_fn
) (void *, void *);
2936 void gfc_insert_bbt (void *, void *, compare_fn
);
2937 void gfc_delete_bbt (void *, void *, compare_fn
);
2939 /* dump-parse-tree.c */
2940 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
2943 gfc_try
gfc_parse_file (void);
2944 void gfc_global_used (gfc_gsymbol
*, locus
*);
2945 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
2948 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
2949 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
2952 gfc_try
gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
2953 gfc_try
gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
2954 size_t*, size_t*, size_t*);
2957 void gfc_fix_class_refs (gfc_expr
*e
);
2958 void gfc_add_component_ref (gfc_expr
*, const char *);
2959 void gfc_add_class_array_ref (gfc_expr
*);
2960 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
2961 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
2962 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
2963 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
2964 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
2965 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
2966 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
2967 bool gfc_is_class_scalar_expr (gfc_expr
*);
2968 bool gfc_is_class_container_ref (gfc_expr
*e
);
2969 gfc_expr
*gfc_class_null_initializer (gfc_typespec
*, gfc_expr
*);
2970 unsigned int gfc_hash_value (gfc_symbol
*);
2971 gfc_try
gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
2972 gfc_array_spec
**, bool);
2973 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
2974 gfc_symbol
*gfc_find_intrinsic_vtab (gfc_typespec
*);
2975 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, gfc_try
*,
2976 const char*, bool, locus
*);
2977 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, gfc_try
*,
2978 const char*, bool, locus
*);
2979 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, gfc_try
*,
2980 gfc_intrinsic_op
, bool,
2982 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
2983 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
2985 #define CLASS_DATA(sym) sym->ts.u.derived->components
2986 #define UNLIMITED_POLY(sym) \
2987 (sym != NULL && sym->ts.type == BT_CLASS \
2988 && CLASS_DATA (sym) \
2989 && CLASS_DATA (sym)->ts.u.derived \
2990 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
2992 /* frontend-passes.c */
2994 void gfc_run_passes (gfc_namespace
*);
2996 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
2997 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
2999 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3000 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3002 #endif /* GCC_GFORTRAN_H */