1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
4 Contributed by Andy Vaught
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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. */
34 #include "coretypes.h"
37 /* The following ifdefs are recommended by the autoconf documentation
38 for any code using alloca. */
40 /* AIX requires this to be the first thing in the file. */
42 #else /* not __GNUC__ */
45 #else /* do not HAVE_ALLOCA_H */
49 #ifndef alloca /* predefined by HP cc +Olibcalls */
51 #endif /* not predefined */
53 #endif /* do not HAVE_ALLOCA_H */
54 #endif /* not __GNUC__ */
56 /* Major control parameters. */
58 #define GFC_MAX_SYMBOL_LEN 63
59 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
60 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
61 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
63 #define free(x) Use_gfc_free_instead_of_free()
64 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
67 #define NULL ((void *) 0)
71 #define stringize(x) expand_macro(x)
72 #define expand_macro(x) # x
74 /* For a the runtime library, a standard prefix is a requirement to
75 avoid cluttering the namespace with things nobody asked for. It's
76 ugly to look at and a pain to type when you add the prefix by hand,
77 so we hide it behind a macro. */
78 #define PREFIX(x) "_gfortran_" x
81 #define BLANK_COMMON_NAME "__BLNK__"
83 /* Macro to initialize an mstring structure. */
84 #define minit(s, t) { s, NULL, t }
86 /* Structure for storing strings to be matched by gfc_match_string. */
96 /* Flags to specify which standard/extension contains a feature. */
97 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
98 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
99 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
100 /* Note that no features were obsoleted nor deleted in F2003. */
101 #define GFC_STD_F95 (1<<3) /* New in F95. */
102 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
103 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
104 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
106 /* Bitmasks for the various FPE that can be enabled. */
107 #define GFC_FPE_INVALID (1<<0)
108 #define GFC_FPE_DENORMAL (1<<1)
109 #define GFC_FPE_ZERO (1<<2)
110 #define GFC_FPE_OVERFLOW (1<<3)
111 #define GFC_FPE_UNDERFLOW (1<<4)
112 #define GFC_FPE_PRECISION (1<<5)
114 /* Keep this in sync with libgfortran/io/io.h ! */
117 { CONVERT_NATIVE=0, CONVERT_SWAP, CONVERT_BIG, CONVERT_LITTLE }
121 /*************************** Enums *****************************/
123 /* The author remains confused to this day about the convention of
124 returning '0' for 'SUCCESS'... or was it the other way around? The
125 following enum makes things much more readable. We also start
126 values off at one instead of zero. */
129 { SUCCESS = 1, FAILURE }
132 /* This is returned by gfc_notification_std to know if, given the flags
133 that were given (-std=, -pedantic) we should issue an error, a warning
137 { SILENT, WARNING, ERROR }
140 /* Matchers return one of these three values. The difference between
141 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
142 successful, but that something non-syntactic is wrong and an error
143 has already been issued. */
146 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
150 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
154 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
155 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE, BT_HOLLERITH
159 /* Expression node types. */
161 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
162 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
168 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
169 AS_ASSUMED_SIZE, AS_UNKNOWN
174 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
177 /* Statement label types. */
179 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
180 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
184 /* Intrinsic operators. */
186 { GFC_INTRINSIC_BEGIN = 0,
187 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
188 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
189 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
190 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
191 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
192 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
193 INTRINSIC_ASSIGN, INTRINSIC_PARENTHESES,
194 GFC_INTRINSIC_END /* Sentinel */
199 /* Strings for all intrinsic operators. */
200 extern mstring intrinsic_operators[];
203 /* This macro is the number of intrinsic operators that exist.
204 Assumptions are made about the numbering of the interface_op enums. */
205 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
207 /* Arithmetic results. */
209 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
210 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
217 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
218 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
219 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
220 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
221 ST_END_FILE, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF,
222 ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT,
223 ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE,
224 ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO,
225 ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE,
226 ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN,
227 ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND,
228 ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE,
229 ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE,
230 ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT,
231 ST_ENUM, ST_ENUMERATOR, ST_END_ENUM,
232 ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_CRITICAL,
233 ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL,
234 ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS,
235 ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE,
236 ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
237 ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
238 ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE,
239 ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE,
245 /* Types of interfaces that we can have. Assignment interfaces are
246 considered to be intrinsic operators. */
249 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
250 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
254 /* Symbol flavors: these are all mutually exclusive.
255 10 elements = 4 bits. */
256 typedef enum sym_flavor
258 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
259 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
263 /* Procedure types. 7 elements = 3 bits. */
264 typedef enum procedure_type
265 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
266 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
271 typedef enum sym_intent
272 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
277 typedef enum gfc_access
278 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
282 /* Flags to keep track of where an interface came from.
283 4 elements = 2 bits. */
285 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
289 /* Strings for all symbol attributes. We use these for dumping the
290 parse tree, in error messages, and also when reading and writing
291 modules. In symbol.c. */
292 extern const mstring flavors[];
293 extern const mstring procedures[];
294 extern const mstring intents[];
295 extern const mstring access_types[];
296 extern const mstring ifsrc_types[];
298 /* Enumeration of all the generic intrinsic functions. Used by the
299 backend for identification of a function. */
301 enum gfc_generic_isym_id
303 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
304 the backend (eg. KIND). */
336 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
346 GFC_ISYM_DOT_PRODUCT,
426 GFC_ISYM_SET_EXPONENT,
458 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
460 /************************* Structures *****************************/
462 /* Used for keeping things in balanced binary trees. */
463 #define BBT_HEADER(self) int priority; struct self *left, *right
465 /* Symbol attribute structure. */
468 /* Variable attributes. */
469 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
470 optional:1, pointer:1, save:1, target:1,
471 dummy:1, result:1, assign:1, threadprivate:1;
473 unsigned data:1, /* Symbol is named in a DATA statement. */
474 use_assoc:1; /* Symbol has been use-associated. */
476 unsigned in_namelist:1, in_common:1, in_equivalence:1;
477 unsigned function:1, subroutine:1, generic:1;
478 unsigned implicit_type:1; /* Type defined via implicit rules. */
479 unsigned untyped:1; /* No implicit type could be found. */
481 /* Function/subroutine attributes */
482 unsigned sequence:1, elemental:1, pure:1, recursive:1;
483 unsigned unmaskable:1, masked:1, contained:1;
485 /* This is set if the subroutine doesn't return. Currently, this
486 is only possible for intrinsic subroutines. */
489 /* Set if this procedure is an alternate entry point. These procedures
490 don't have any code associated, and the backend will turn them into
491 thunks to the master function. */
494 /* Set if this is the master function for a procedure with multiple
496 unsigned entry_master:1;
498 /* Set if this is the master function for a function with multiple
499 entry points where characteristics of the entry points differ. */
500 unsigned mixed_entry_master:1;
502 /* Set if a function must always be referenced by an explicit interface. */
503 unsigned always_explicit:1;
505 /* Set if the symbol has been referenced in an expression. No further
506 modification of type or type parameters is permitted. */
507 unsigned referenced:1;
509 /* Set if the is the symbol for the main program. This is the least
510 cumbersome way to communicate this function property without
511 strcmp'ing with __MAIN everywhere. */
512 unsigned is_main_program:1;
514 /* Mutually exclusive multibit attributes. */
515 ENUM_BITFIELD (gfc_access) access:2;
516 ENUM_BITFIELD (sym_intent) intent:2;
517 ENUM_BITFIELD (sym_flavor) flavor:4;
518 ENUM_BITFIELD (ifsrc) if_source:2;
520 ENUM_BITFIELD (procedure_type) proc:3;
522 /* Special attributes for Cray pointers, pointees. */
523 unsigned cray_pointer:1, cray_pointee:1;
529 /* The following three structures are used to identify a location in
532 gfc_file is used to maintain a tree of the source files and how
533 they include each other
535 gfc_linebuf holds a single line of source code and information
536 which file it resides in
538 locus point to the sourceline and the character in the source
542 typedef struct gfc_file
544 struct gfc_file *included_by, *next, *up;
545 int inclusion_line, line;
549 typedef struct gfc_linebuf
551 #ifdef USE_MAPPED_LOCATION
552 source_location location;
556 struct gfc_file *file;
557 struct gfc_linebuf *next;
564 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
572 /* In order for the "gfc" format checking to work correctly, you must
573 have declared a typedef locus first. */
574 #if GCC_VERSION >= 4001
575 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
577 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
581 extern int gfc_suppress_error;
584 /* Character length structures hold the expression that gives the
585 length of a character variable. We avoid putting these into
586 gfc_typespec because doing so prevents us from doing structure
587 copies and forces us to deallocate any typespecs we create, as well
588 as structures that contain typespecs. They also can have multiple
589 character typespecs pointing to them.
591 These structures form a singly linked list within the current
592 namespace and are deallocated with the namespace. It is possible to
593 end up with gfc_charlen structures that have nothing pointing to them. */
595 typedef struct gfc_charlen
597 struct gfc_expr *length;
598 struct gfc_charlen *next;
605 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
607 /* Type specification structure. FIXME: derived and cl could be union??? */
612 struct gfc_symbol *derived;
613 gfc_charlen *cl; /* For character types only. */
617 /* Array specification. */
620 int rank; /* A rank of zero means that a variable is a scalar. */
622 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
624 /* These two fields are used with the Cray Pointer extension. */
625 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
626 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
627 AS_EXPLICIT, but we want to remember that we
633 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
636 /* Components of derived types. */
637 typedef struct gfc_component
642 int pointer, dimension;
647 struct gfc_expr *initializer;
648 struct gfc_component *next;
652 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
654 /* Formal argument lists are lists of symbols. */
655 typedef struct gfc_formal_arglist
657 /* Symbol representing the argument at this position in the arglist. */
658 struct gfc_symbol *sym;
659 /* Points to the next formal argument. */
660 struct gfc_formal_arglist *next;
664 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
667 /* The gfc_actual_arglist structure is for actual arguments. */
668 typedef struct gfc_actual_arglist
671 /* Alternate return label when the expr member is null. */
672 struct gfc_st_label *label;
674 /* This is set to the type of an eventual omitted optional
675 argument. This is used to determine if a hidden string length
676 argument has to be added to a function call. */
679 struct gfc_expr *expr;
680 struct gfc_actual_arglist *next;
684 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
687 /* Because a symbol can belong to multiple namelists, they must be
688 linked externally to the symbol itself. */
689 typedef struct gfc_namelist
691 struct gfc_symbol *sym;
692 struct gfc_namelist *next;
696 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
701 OMP_LIST_FIRSTPRIVATE,
702 OMP_LIST_LASTPRIVATE,
703 OMP_LIST_COPYPRIVATE,
707 OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS,
719 OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR,
723 /* Because a symbol can belong to multiple namelists, they must be
724 linked externally to the symbol itself. */
725 typedef struct gfc_omp_clauses
727 struct gfc_expr *if_expr;
728 struct gfc_expr *num_threads;
729 gfc_namelist *lists[OMP_LIST_NUM];
738 struct gfc_expr *chunk_size;
746 bool nowait, ordered;
750 #define gfc_get_omp_clauses() gfc_getmem(sizeof(gfc_omp_clauses))
753 /* The gfc_st_label structure is a doubly linked list attached to a
754 namespace that records the usage of statement labels within that
756 /* TODO: Make format/statement specifics a union. */
757 typedef struct gfc_st_label
759 BBT_HEADER(gfc_st_label);
763 gfc_sl_type defined, referenced;
765 struct gfc_expr *format;
774 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
775 typedef struct gfc_interface
777 struct gfc_symbol *sym;
779 struct gfc_interface *next;
783 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
786 /* User operator nodes. These are like stripped down symbols. */
791 gfc_interface *operator;
792 struct gfc_namespace *ns;
797 /* Symbol nodes. These are important things. They are what the
798 standard refers to as "entities". The possibly multiple names that
799 refer to the same entity are accomplished by a binary tree of
800 symtree structures that is balanced by the red-black method-- more
801 than one symtree node can point to any given symbol. */
803 typedef struct gfc_symbol
805 const char *name; /* Primary name, before renaming */
806 const char *module; /* Module this symbol came from */
810 symbol_attribute attr;
812 /* The interface member points to the formal argument list if the
813 symbol is a function or subroutine name. If the symbol is a
814 generic name, the generic member points to the list of
817 gfc_interface *generic;
818 gfc_access component_access;
820 gfc_formal_arglist *formal;
821 struct gfc_namespace *formal_ns;
823 struct gfc_expr *value; /* Parameter/Initializer value */
825 struct gfc_symbol *result; /* function result symbol */
826 gfc_component *components; /* Derived type components */
828 /* Defined only for Cray pointees; points to their pointer. */
829 struct gfc_symbol *cp_pointer;
831 struct gfc_symbol *common_next; /* Links for COMMON syms */
833 /* This is in fact a gfc_common_head but it is only used for pointer
834 comparisons to check if symbols are in the same common block. */
835 struct gfc_common_head* common_head;
837 /* Make sure setup code for dummy arguments is generated in the correct
841 gfc_namelist *namelist, *namelist_tail;
843 /* Change management fields. Symbols that might be modified by the
844 current statement have the mark member nonzero and are kept in a
845 singly linked list through the tlink field. Of these symbols,
846 symbols with old_symbol equal to NULL are symbols created within
847 the current statement. Otherwise, old_symbol points to a copy of
850 struct gfc_symbol *old_symbol, *tlink;
851 unsigned mark:1, new:1;
852 /* Nonzero if all equivalences associated with this symbol have been
854 unsigned equiv_built:1;
856 struct gfc_namespace *ns; /* namespace containing this symbol */
863 /* This structure is used to keep track of symbols in common blocks. */
865 typedef struct gfc_common_head
868 char use_assoc, saved, threadprivate;
869 char name[GFC_MAX_SYMBOL_LEN + 1];
870 struct gfc_symbol *head;
874 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
877 /* A list of all the alternate entry points for a procedure. */
879 typedef struct gfc_entry_list
881 /* The symbol for this entry point. */
883 /* The zero-based id of this entry point. */
885 /* The LABEL_EXPR marking this entry point. */
887 /* The nest item in the list. */
888 struct gfc_entry_list *next;
892 #define gfc_get_entry_list() \
893 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
895 /* Within a namespace, symbols are pointed to by symtree nodes that
896 are linked together in a balanced binary tree. There can be
897 several symtrees pointing to the same symbol node via USE
900 typedef struct gfc_symtree
902 BBT_HEADER (gfc_symtree);
907 gfc_symbol *sym; /* Symbol associated with this node */
909 gfc_common_head *common;
916 /* A linked list of derived types in the namespace. */
917 typedef struct gfc_dt_list
919 struct gfc_symbol *derived;
920 struct gfc_dt_list *next;
924 #define gfc_get_dt_list() gfc_getmem(sizeof(gfc_dt_list))
927 /* A namespace describes the contents of procedure, module or
929 /* ??? Anything else use these? */
931 typedef struct gfc_namespace
933 /* Tree containing all the symbols in this namespace. */
934 gfc_symtree *sym_root;
935 /* Tree containing all the user-defined operators in the namespace. */
936 gfc_symtree *uop_root;
937 /* Tree containing all the common blocks. */
938 gfc_symtree *common_root;
940 /* If set_flag[letter] is set, an implicit type has been set for letter. */
941 int set_flag[GFC_LETTERS];
942 /* Keeps track of the implicit types associated with the letters. */
943 gfc_typespec default_type[GFC_LETTERS];
945 /* If this is a namespace of a procedure, this points to the procedure. */
946 struct gfc_symbol *proc_name;
947 /* If this is the namespace of a unit which contains executable
948 code, this points to it. */
949 struct gfc_code *code;
951 /* Points to the equivalences set up in this namespace. */
952 struct gfc_equiv *equiv;
953 gfc_interface *operator[GFC_INTRINSIC_OPS];
955 /* Points to the parent namespace, i.e. the namespace of a module or
956 procedure in which the procedure belonging to this namespace is
957 contained. The parent namespace points to this namespace either
958 directly via CONTAINED, or indirectly via the chain built by
960 struct gfc_namespace *parent;
961 /* CONTAINED points to the first contained namespace. Sibling
962 namespaces are chained via SIBLING. */
963 struct gfc_namespace *contained, *sibling;
965 gfc_common_head blank_common;
966 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
968 gfc_st_label *st_labels;
969 /* This list holds information about all the data initializers in
971 struct gfc_data *data;
973 gfc_charlen *cl_list;
975 int save_all, seen_save, seen_implicit_none;
977 /* Normally we don't need to refcount namespaces. However when we read
978 a module containing a function with multiple entry points, this
979 will appear as several functions with the same formal namespace. */
982 /* A list of all alternate entry points to this procedure (or NULL). */
983 gfc_entry_list *entries;
985 /* A list of all derived types in this procedure (or NULL). */
986 gfc_dt_list *derived_types;
988 /* Set to 1 if namespace is a BLOCK DATA program unit. */
993 extern gfc_namespace *gfc_current_ns;
995 /* Global symbols are symbols of global scope. Currently we only use
996 this to detect collisions already when parsing.
997 TODO: Extend to verify procedure calls. */
999 typedef struct gfc_gsymbol
1001 BBT_HEADER(gfc_gsymbol);
1004 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1005 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
1012 extern gfc_gsymbol *gfc_gsym_root;
1014 /* Information on interfaces being built. */
1017 interface_type type;
1021 gfc_intrinsic_op op;
1025 extern gfc_interface_info current_interface;
1028 /* Array reference. */
1029 typedef struct gfc_array_ref
1032 int dimen; /* # of components in the reference */
1036 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1037 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1038 *stride[GFC_MAX_DIMENSIONS];
1041 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
1042 dimen_type[GFC_MAX_DIMENSIONS];
1044 struct gfc_expr *offset;
1048 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
1051 /* Component reference nodes. A variable is stored as an expression
1052 node that points to the base symbol. After that, a singly linked
1053 list of component reference nodes gives the variable's complete
1054 resolution. The array_ref component may be present and comes
1055 before the component component. */
1058 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
1061 typedef struct gfc_ref
1067 struct gfc_array_ref ar;
1071 gfc_component *component;
1078 struct gfc_expr *start, *end; /* Substring */
1079 gfc_charlen *length;
1086 struct gfc_ref *next;
1090 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
1093 /* Structures representing intrinsic symbols and their arguments lists. */
1094 typedef struct gfc_intrinsic_arg
1096 char name[GFC_MAX_SYMBOL_LEN + 1];
1100 gfc_actual_arglist *actual;
1102 struct gfc_intrinsic_arg *next;
1108 /* Specifies the various kinds of check functions used to verify the
1109 argument lists of intrinsic functions. fX with X an integer refer
1110 to check functions of intrinsics with X arguments. f1m is used for
1111 the MAX and MIN intrinsics which can have an arbitrary number of
1112 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1113 these have special semantics. */
1118 try (*f1)(struct gfc_expr *);
1119 try (*f1m)(gfc_actual_arglist *);
1120 try (*f2)(struct gfc_expr *, struct gfc_expr *);
1121 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1122 try (*f3ml)(gfc_actual_arglist *);
1123 try (*f3red)(gfc_actual_arglist *);
1124 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1126 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1127 struct gfc_expr *, struct gfc_expr *);
1131 /* Like gfc_check_f, these specify the type of the simplification
1132 function associated with an intrinsic. The fX are just like in
1133 gfc_check_f. cc is used for type conversion functions. */
1137 struct gfc_expr *(*f0)(void);
1138 struct gfc_expr *(*f1)(struct gfc_expr *);
1139 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1140 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1142 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1143 struct gfc_expr *, struct gfc_expr *);
1144 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1145 struct gfc_expr *, struct gfc_expr *,
1147 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1151 /* Again like gfc_check_f, these specify the type of the resolution
1152 function associated with an intrinsic. The fX are just like in
1153 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1158 void (*f0)(struct gfc_expr *);
1159 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1160 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1161 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1162 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1164 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1165 struct gfc_expr *, struct gfc_expr *);
1166 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1167 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1168 void (*s1)(struct gfc_code *);
1173 typedef struct gfc_intrinsic_sym
1175 const char *name, *lib_name;
1176 gfc_intrinsic_arg *formal;
1178 int elemental, pure, generic, specific, actual_ok, standard, noreturn;
1180 gfc_simplify_f simplify;
1182 gfc_resolve_f resolve;
1183 struct gfc_intrinsic_sym *specific_head, *next;
1184 gfc_generic_isym_id generic_id;
1190 /* Expression nodes. The expression node types deserve explanations,
1191 since the last couple can be easily misconstrued:
1193 EXPR_OP Operator node pointing to one or two other nodes
1194 EXPR_FUNCTION Function call, symbol points to function's name
1195 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1196 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1197 which expresses structure, array and substring refs.
1198 EXPR_NULL The NULL pointer value (which also has a basic type).
1199 EXPR_SUBSTRING A substring of a constant string
1200 EXPR_STRUCTURE A structure constructor
1201 EXPR_ARRAY An array constructor. */
1205 #define GFC_RND_MODE GMP_RNDN
1207 typedef struct gfc_expr
1211 gfc_typespec ts; /* These two refer to the overall expression */
1214 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1216 /* Nonnull for functions and structure constructors */
1217 gfc_symtree *symtree;
1223 /* True if it is converted from Hollerith constant. */
1224 unsigned int from_H : 1;
1225 /* True if the expression is a call to a function that returns an array,
1226 and if we have decided not to allocate temporary data for that array. */
1227 unsigned int inline_noncopying_intrinsic : 1;
1244 gfc_intrinsic_op operator;
1246 struct gfc_expr *op1, *op2;
1252 gfc_actual_arglist *actual;
1253 const char *name; /* Points to the ultimate name of the function */
1254 gfc_intrinsic_sym *isym;
1266 struct gfc_constructor *constructor;
1274 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1276 /* Structures for information associated with different kinds of
1277 numbers. The first set of integer parameters define all there is
1278 to know about a particular kind. The rest of the elements are
1279 computed from the first elements. */
1283 /* Values really representable by the target. */
1284 mpz_t huge, pedantic_min_int, min_int, max_int;
1286 int kind, radix, digits, bit_size, range;
1288 /* True if the C type of the given name maps to this precision.
1289 Note that more than one bit can be set. */
1290 unsigned int c_char : 1;
1291 unsigned int c_short : 1;
1292 unsigned int c_int : 1;
1293 unsigned int c_long : 1;
1294 unsigned int c_long_long : 1;
1298 extern gfc_integer_info gfc_integer_kinds[];
1305 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1306 unsigned int c_bool : 1;
1310 extern gfc_logical_info gfc_logical_kinds[];
1315 mpfr_t epsilon, huge, tiny, subnormal;
1316 int kind, radix, digits, min_exponent, max_exponent;
1317 int range, precision;
1319 /* The precision of the type as reported by GET_MODE_PRECISION. */
1322 /* True if the C type of the given name maps to this precision.
1323 Note that more than one bit can be set. */
1324 unsigned int c_float : 1;
1325 unsigned int c_double : 1;
1326 unsigned int c_long_double : 1;
1330 extern gfc_real_info gfc_real_kinds[];
1333 /* Equivalence structures. Equivalent lvalues are linked along the
1334 *eq pointer, equivalence sets are strung along the *next node. */
1335 typedef struct gfc_equiv
1337 struct gfc_equiv *next, *eq;
1344 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1347 /* gfc_case stores the selector list of a case statement. The *low
1348 and *high pointers can point to the same expression in the case of
1349 a single value. If *high is NULL, the selection is from *low
1350 upwards, if *low is NULL the selection is *high downwards.
1352 This structure has separate fields to allow single and double linked
1353 lists of CASEs at the same time. The singe linked list along the NEXT
1354 field is a list of cases for a single CASE label. The double linked
1355 list along the LEFT/RIGHT fields is used to detect overlap and to
1356 build a table of the cases for SELECT constructs with a CHARACTER
1359 typedef struct gfc_case
1361 /* Where we saw this case. */
1365 /* Case range values. If (low == high), it's a single value. If one of
1366 the labels is NULL, it's an unbounded case. If both are NULL, this
1367 represents the default case. */
1368 gfc_expr *low, *high;
1370 /* Next case label in the list of cases for a single CASE label. */
1371 struct gfc_case *next;
1373 /* Used for detecting overlap, and for code generation. */
1374 struct gfc_case *left, *right;
1376 /* True if this case label can never be matched. */
1381 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1386 gfc_expr *var, *start, *end, *step;
1390 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1393 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1395 typedef struct gfc_alloc
1398 struct gfc_alloc *next;
1402 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1407 gfc_expr *unit, *file, *status, *access, *form, *recl,
1408 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert;
1416 gfc_expr *unit, *status, *iostat, *iomsg;
1424 gfc_expr *unit, *iostat, *iomsg;
1432 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1433 *name, *access, *sequential, *direct, *form, *formatted,
1434 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1435 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert;
1445 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg;
1447 gfc_symbol *namelist;
1448 /* A format_label of `format_asterisk' indicates the "*" format */
1449 gfc_st_label *format_label;
1450 gfc_st_label *err, *end, *eor;
1452 locus eor_where, end_where, err_where;
1457 typedef struct gfc_forall_iterator
1459 gfc_expr *var, *start, *end, *stride;
1460 struct gfc_forall_iterator *next;
1462 gfc_forall_iterator;
1465 /* Executable statements that fill gfc_code structures. */
1468 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1469 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1470 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1471 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1472 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1473 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1474 EXEC_OPEN, EXEC_CLOSE,
1475 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1476 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
1477 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
1478 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
1479 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
1480 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
1481 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
1486 typedef struct gfc_code
1490 struct gfc_code *block, *next;
1493 gfc_st_label *here, *label, *label2, *label3;
1494 gfc_symtree *symtree;
1495 gfc_expr *expr, *expr2;
1496 /* A name isn't sufficient to identify a subroutine, we need the actual
1497 symbol for the interface definition.
1498 const char *sub_name; */
1499 gfc_symbol *resolved_sym;
1503 gfc_actual_arglist *actual;
1504 gfc_case *case_list;
1505 gfc_iterator *iterator;
1506 gfc_alloc *alloc_list;
1509 gfc_filepos *filepos;
1510 gfc_inquire *inquire;
1512 gfc_forall_iterator *forall_iterator;
1513 struct gfc_code *whichloop;
1515 gfc_entry_list *entry;
1516 gfc_omp_clauses *omp_clauses;
1517 const char *omp_name;
1518 gfc_namelist *omp_namelist;
1521 ext; /* Points to additional structures required by statement */
1523 /* Backend_decl is used for cycle and break labels in do loops, and
1524 probably for other constructs as well, once we translate them. */
1530 /* Storage for DATA statements. */
1531 typedef struct gfc_data_variable
1535 struct gfc_data_variable *list, *next;
1540 typedef struct gfc_data_value
1542 unsigned int repeat;
1544 struct gfc_data_value *next;
1549 typedef struct gfc_data
1551 gfc_data_variable *var;
1552 gfc_data_value *value;
1555 struct gfc_data *next;
1559 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1560 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1561 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1564 /* Structure for holding compile options */
1568 gfc_source_form source_form;
1569 /* When fixed_line_length or free_line_length are 0, the whole line is used.
1571 Default is -1, the maximum line length mandated by the respective source
1573 for FORM_FREE GFC_MAX_LINE (132)
1576 If fixed_line_length or free_line_length is not 0 nor -1 then the user has
1577 requested a specific line-length.
1579 If the user requests a fixed_line_length <7 then gfc_init_options()
1580 emits a fatal error. */
1581 int fixed_line_length; /* maximum line length in fixed-form. */
1582 int free_line_length; /* maximum line length in free-form. */
1583 int max_identifier_length;
1587 int warn_conversion;
1588 int warn_implicit_interface;
1589 int warn_line_truncation;
1591 int warn_surprising;
1592 int warn_unused_labels;
1594 int flag_default_double;
1595 int flag_default_integer;
1596 int flag_default_real;
1598 int flag_underscoring;
1599 int flag_second_underscore;
1600 int flag_implicit_none;
1601 int flag_max_stack_var_size;
1602 int flag_module_access_private;
1603 int flag_no_backend;
1604 int flag_pack_derived;
1605 int flag_repack_arrays;
1606 int flag_preprocessed;
1610 int flag_cray_pointer;
1620 int warn_nonstd_intrinsics;
1626 extern gfc_option_t gfc_option;
1629 /* Constructor nodes for array and structure constructors. */
1630 typedef struct gfc_constructor
1633 gfc_iterator *iterator;
1635 struct gfc_constructor *next;
1638 mpz_t offset; /* Record the offset of array element which appears in
1639 data statement like "data a(5)/4/". */
1640 gfc_component *component; /* Record the component being initialized. */
1643 mpz_t repeat; /* Record the repeat number of initial values in data
1644 statement like "data a/5*10/". */
1649 typedef struct iterator_stack
1651 gfc_symtree *variable;
1653 struct iterator_stack *prev;
1656 extern iterator_stack *iter_stack;
1658 /************************ Function prototypes *************************/
1661 void gfc_formalize_init_value (gfc_symbol *);
1662 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1663 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1664 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1665 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1668 void gfc_scanner_done_1 (void);
1669 void gfc_scanner_init_1 (void);
1671 void gfc_add_include_path (const char *);
1672 void gfc_release_include_path (void);
1673 FILE *gfc_open_included_file (const char *, bool);
1675 int gfc_at_end (void);
1676 int gfc_at_eof (void);
1677 int gfc_at_bol (void);
1678 int gfc_at_eol (void);
1679 void gfc_advance_line (void);
1680 int gfc_check_include (void);
1682 void gfc_skip_comments (void);
1683 int gfc_next_char_literal (int);
1684 int gfc_next_char (void);
1685 int gfc_peek_char (void);
1686 void gfc_error_recovery (void);
1687 void gfc_gobble_whitespace (void);
1688 try gfc_new_file (void);
1689 const char * gfc_read_orig_filename (const char *, const char **);
1691 extern gfc_source_form gfc_current_form;
1692 extern const char *gfc_source_file;
1693 extern locus gfc_current_locus;
1696 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1697 void gfc_free (void *);
1698 int gfc_terminal_width(void);
1699 void gfc_clear_ts (gfc_typespec *);
1700 FILE *gfc_open_file (const char *);
1701 const char *gfc_basic_typename (bt);
1702 const char *gfc_typename (gfc_typespec *);
1704 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1705 "=" : gfc_code2string (intrinsic_operators, OP))
1707 const char *gfc_code2string (const mstring *, int);
1708 int gfc_string2code (const mstring *, const char *);
1709 const char *gfc_intent_string (sym_intent);
1711 void gfc_init_1 (void);
1712 void gfc_init_2 (void);
1713 void gfc_done_1 (void);
1714 void gfc_done_2 (void);
1717 unsigned int gfc_init_options (unsigned int, const char **);
1718 int gfc_handle_option (size_t, const char *, int);
1719 bool gfc_post_options (const char **);
1722 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1726 typedef struct gfc_error_buf
1729 size_t allocated, index;
1733 void gfc_error_init_1 (void);
1734 void gfc_buffer_error (int);
1736 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1737 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1738 void gfc_clear_warning (void);
1739 void gfc_warning_check (void);
1741 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1742 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1743 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1744 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1745 void gfc_clear_error (void);
1746 int gfc_error_check (void);
1748 notification gfc_notification_std (int);
1749 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1751 /* A general purpose syntax error. */
1752 #define gfc_syntax_error(ST) \
1753 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1755 void gfc_push_error (gfc_error_buf *);
1756 void gfc_pop_error (gfc_error_buf *);
1757 void gfc_free_error (gfc_error_buf *);
1759 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1760 void gfc_status_char (char);
1762 void gfc_get_errors (int *, int *);
1765 void gfc_arith_init_1 (void);
1766 void gfc_arith_done_1 (void);
1767 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
1768 arith gfc_check_integer_range (mpz_t p, int kind);
1771 int gfc_validate_kind (bt, int, bool);
1772 extern int gfc_index_integer_kind;
1773 extern int gfc_default_integer_kind;
1774 extern int gfc_max_integer_kind;
1775 extern int gfc_default_real_kind;
1776 extern int gfc_default_double_kind;
1777 extern int gfc_default_character_kind;
1778 extern int gfc_default_logical_kind;
1779 extern int gfc_default_complex_kind;
1780 extern int gfc_c_int_kind;
1783 void gfc_clear_new_implicit (void);
1784 try gfc_add_new_implicit_range (int, int);
1785 try gfc_merge_new_implicit (gfc_typespec *);
1786 void gfc_set_implicit_none (void);
1788 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1789 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1791 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1792 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1794 void gfc_set_sym_referenced (gfc_symbol * sym);
1796 try gfc_add_attribute (symbol_attribute *, locus *, unsigned int);
1797 try gfc_add_allocatable (symbol_attribute *, locus *);
1798 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1799 try gfc_add_external (symbol_attribute *, locus *);
1800 try gfc_add_intrinsic (symbol_attribute *, locus *);
1801 try gfc_add_optional (symbol_attribute *, locus *);
1802 try gfc_add_pointer (symbol_attribute *, locus *);
1803 try gfc_add_cray_pointer (symbol_attribute *, locus *);
1804 try gfc_add_cray_pointee (symbol_attribute *, locus *);
1805 try gfc_mod_pointee_as (gfc_array_spec *as);
1806 try gfc_add_result (symbol_attribute *, const char *, locus *);
1807 try gfc_add_save (symbol_attribute *, const char *, locus *);
1808 try gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
1809 try gfc_add_saved_common (symbol_attribute *, locus *);
1810 try gfc_add_target (symbol_attribute *, locus *);
1811 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1812 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1813 try gfc_add_common (symbol_attribute *, locus *);
1814 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1815 try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
1816 try gfc_add_data (symbol_attribute *, const char *, locus *);
1817 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1818 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1819 try gfc_add_elemental (symbol_attribute *, locus *);
1820 try gfc_add_pure (symbol_attribute *, locus *);
1821 try gfc_add_recursive (symbol_attribute *, locus *);
1822 try gfc_add_function (symbol_attribute *, const char *, locus *);
1823 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1825 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1826 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1827 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1828 try gfc_add_procedure (symbol_attribute *, procedure_type,
1829 const char *, locus *);
1830 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1831 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1832 gfc_formal_arglist *, locus *);
1833 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1835 void gfc_clear_attr (symbol_attribute *);
1836 try gfc_missing_attr (symbol_attribute *, locus *);
1837 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1839 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1840 gfc_symbol *gfc_use_derived (gfc_symbol *);
1841 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1842 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1844 gfc_st_label *gfc_get_st_label (int);
1845 void gfc_free_st_label (gfc_st_label *);
1846 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1847 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1849 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1850 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1851 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1852 gfc_user_op *gfc_get_uop (const char *);
1853 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1854 void gfc_free_symbol (gfc_symbol *);
1855 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1856 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1857 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1858 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1859 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1860 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1861 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1863 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1865 void gfc_undo_symbols (void);
1866 void gfc_commit_symbols (void);
1867 void gfc_commit_symbol (gfc_symbol * sym);
1868 void gfc_free_namespace (gfc_namespace *);
1870 void gfc_symbol_init_2 (void);
1871 void gfc_symbol_done_2 (void);
1873 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1874 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1875 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1876 void gfc_save_all (gfc_namespace *);
1878 void gfc_symbol_state (void);
1880 gfc_gsymbol *gfc_get_gsymbol (const char *);
1881 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1884 extern int gfc_init_expr;
1886 /* Given a symbol that we have decided is intrinsic, mark it as such
1887 by placing it into a special module that is otherwise impossible to
1890 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1892 void gfc_intrinsic_init_1 (void);
1893 void gfc_intrinsic_done_1 (void);
1895 char gfc_type_letter (bt);
1896 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1897 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1898 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1899 int gfc_generic_intrinsic (const char *);
1900 int gfc_specific_intrinsic (const char *);
1901 int gfc_intrinsic_name (const char *, int);
1902 gfc_intrinsic_sym *gfc_find_function (const char *);
1904 match gfc_intrinsic_func_interface (gfc_expr *, int);
1905 match gfc_intrinsic_sub_interface (gfc_code *, int);
1908 void gfc_simplify_init_1 (void);
1910 /* match.c -- FIXME */
1911 void gfc_free_iterator (gfc_iterator *, int);
1912 void gfc_free_forall_iterator (gfc_forall_iterator *);
1913 void gfc_free_alloc_list (gfc_alloc *);
1914 void gfc_free_namelist (gfc_namelist *);
1915 void gfc_free_equiv (gfc_equiv *);
1916 void gfc_free_data (gfc_data *);
1917 void gfc_free_case_list (gfc_case *);
1920 void gfc_free_omp_clauses (gfc_omp_clauses *);
1921 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
1922 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *);
1923 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
1924 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
1927 void gfc_free_actual_arglist (gfc_actual_arglist *);
1928 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1929 const char *gfc_extract_int (gfc_expr *, int *);
1931 gfc_expr *gfc_build_conversion (gfc_expr *);
1932 void gfc_free_ref_list (gfc_ref *);
1933 void gfc_type_convert_binary (gfc_expr *);
1934 int gfc_is_constant_expr (gfc_expr *);
1935 try gfc_simplify_expr (gfc_expr *, int);
1936 int gfc_has_vector_index (gfc_expr *);
1938 gfc_expr *gfc_get_expr (void);
1939 void gfc_free_expr (gfc_expr *);
1940 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1941 gfc_expr *gfc_int_expr (int);
1942 gfc_expr *gfc_logical_expr (int, locus *);
1943 mpz_t *gfc_copy_shape (mpz_t *, int);
1944 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1945 gfc_expr *gfc_copy_expr (gfc_expr *);
1947 try gfc_specification_expr (gfc_expr *);
1949 int gfc_numeric_ts (gfc_typespec *);
1950 int gfc_kind_max (gfc_expr *, gfc_expr *);
1952 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1953 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1954 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1955 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1957 gfc_expr *gfc_default_initializer (gfc_typespec *);
1958 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1960 void gfc_expr_set_symbols_referenced (gfc_expr * expr);
1963 extern gfc_code new_st;
1965 void gfc_clear_new_st (void);
1966 gfc_code *gfc_get_code (void);
1967 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1968 void gfc_free_statement (gfc_code *);
1969 void gfc_free_statements (gfc_code *);
1972 try gfc_resolve_expr (gfc_expr *);
1973 void gfc_resolve (gfc_namespace *);
1974 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
1975 int gfc_impure_variable (gfc_symbol *);
1976 int gfc_pure (gfc_symbol *);
1977 int gfc_elemental (gfc_symbol *);
1978 try gfc_resolve_iterator (gfc_iterator *, bool);
1979 try gfc_resolve_index (gfc_expr *, int);
1980 try gfc_resolve_dim_arg (gfc_expr *);
1981 int gfc_is_formal_arg (void);
1984 void gfc_free_array_spec (gfc_array_spec *);
1985 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1987 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1988 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1989 try gfc_resolve_array_spec (gfc_array_spec *, int);
1991 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1993 gfc_expr *gfc_start_constructor (bt, int, locus *);
1994 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1995 void gfc_free_constructor (gfc_constructor *);
1996 void gfc_simplify_iterator_var (gfc_expr *);
1997 try gfc_expand_constructor (gfc_expr *);
1998 int gfc_constant_ac (gfc_expr *);
1999 int gfc_expanded_ac (gfc_expr *);
2000 try gfc_resolve_array_constructor (gfc_expr *);
2001 try gfc_check_constructor_type (gfc_expr *);
2002 try gfc_check_iter_variable (gfc_expr *);
2003 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
2004 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
2005 gfc_expr *gfc_get_array_element (gfc_expr *, int);
2006 try gfc_array_size (gfc_expr *, mpz_t *);
2007 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
2008 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
2009 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
2010 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
2011 gfc_constructor *gfc_get_constructor (void);
2012 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
2013 try spec_size (gfc_array_spec *, mpz_t *);
2014 int gfc_is_compile_time_shape (gfc_array_spec *);
2016 /* interface.c -- FIXME: some of these should be in symbol.c */
2017 void gfc_free_interface (gfc_interface *);
2018 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
2019 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
2020 void gfc_check_interfaces (gfc_namespace *);
2021 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
2022 gfc_symbol *gfc_search_interface (gfc_interface *, int,
2023 gfc_actual_arglist **);
2024 try gfc_extend_expr (gfc_expr *);
2025 void gfc_free_formal_arglist (gfc_formal_arglist *);
2026 try gfc_extend_assign (gfc_code *, gfc_namespace *);
2027 try gfc_add_interface (gfc_symbol * sym);
2030 extern gfc_st_label format_asterisk;
2032 void gfc_free_open (gfc_open *);
2033 try gfc_resolve_open (gfc_open *);
2034 void gfc_free_close (gfc_close *);
2035 try gfc_resolve_close (gfc_close *);
2036 void gfc_free_filepos (gfc_filepos *);
2037 try gfc_resolve_filepos (gfc_filepos *);
2038 void gfc_free_inquire (gfc_inquire *);
2039 try gfc_resolve_inquire (gfc_inquire *);
2040 void gfc_free_dt (gfc_dt *);
2041 try gfc_resolve_dt (gfc_dt *);
2044 void gfc_module_init_2 (void);
2045 void gfc_module_done_2 (void);
2046 void gfc_dump_module (const char *, int);
2047 bool gfc_check_access (gfc_access, gfc_access);
2050 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
2051 symbol_attribute gfc_expr_attr (gfc_expr *);
2054 void gfc_generate_code (gfc_namespace *);
2055 void gfc_generate_module_code (gfc_namespace *);
2058 typedef int (*compare_fn) (void *, void *);
2059 void gfc_insert_bbt (void *, void *, compare_fn);
2060 void gfc_delete_bbt (void *, void *, compare_fn);
2062 /* dump-parse-tree.c */
2063 void gfc_show_namespace (gfc_namespace *);
2066 try gfc_parse_file (void);
2067 void global_used (gfc_gsymbol *, locus *);
2070 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
2072 #endif /* GCC_GFORTRAN_H */