1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
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)
115 /*************************** Enums *****************************/
117 /* The author remains confused to this day about the convention of
118 returning '0' for 'SUCCESS'... or was it the other way around? The
119 following enum makes things much more readable. We also start
120 values off at one instead of zero. */
123 { SUCCESS = 1, FAILURE }
126 /* Matchers return one of these three values. The difference between
127 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
128 successful, but that something non-syntactic is wrong and an error
129 has already been issued. */
132 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
136 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
140 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
141 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE, BT_HOLLERITH
145 /* Expression node types. */
147 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
148 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
154 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
155 AS_ASSUMED_SIZE, AS_UNKNOWN
160 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
163 /* Statement label types. */
165 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
166 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
170 /* Intrinsic operators. */
172 { GFC_INTRINSIC_BEGIN = 0,
173 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
174 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
175 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
176 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
177 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
178 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
180 GFC_INTRINSIC_END /* Sentinel */
185 /* Strings for all intrinsic operators. */
186 extern mstring intrinsic_operators[];
189 /* This macro is the number of intrinsic operators that exist.
190 Assumptions are made about the numbering of the interface_op enums. */
191 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
193 /* Arithmetic results. */
195 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
196 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
203 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
204 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
205 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
206 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
207 ST_END_FILE, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF,
208 ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT,
209 ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE,
210 ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO,
211 ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE,
212 ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN,
213 ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND,
214 ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE,
215 ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE,
216 ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT,
217 ST_ENUM, ST_ENUMERATOR, ST_END_ENUM, ST_NONE
222 /* Types of interfaces that we can have. Assignment interfaces are
223 considered to be intrinsic operators. */
226 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
227 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
231 /* Symbol flavors: these are all mutually exclusive.
232 10 elements = 4 bits. */
233 typedef enum sym_flavor
235 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
236 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
240 /* Procedure types. 7 elements = 3 bits. */
241 typedef enum procedure_type
242 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
243 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
248 typedef enum sym_intent
249 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
254 typedef enum gfc_access
255 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
259 /* Flags to keep track of where an interface came from.
260 4 elements = 2 bits. */
262 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
266 /* Strings for all symbol attributes. We use these for dumping the
267 parse tree, in error messages, and also when reading and writing
268 modules. In symbol.c. */
269 extern const mstring flavors[];
270 extern const mstring procedures[];
271 extern const mstring intents[];
272 extern const mstring access_types[];
273 extern const mstring ifsrc_types[];
275 /* Enumeration of all the generic intrinsic functions. Used by the
276 backend for identification of a function. */
278 enum gfc_generic_isym_id
280 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
281 the backend (eg. KIND). */
312 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
321 GFC_ISYM_DOT_PRODUCT,
395 GFC_ISYM_SET_EXPONENT,
426 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
428 /************************* Structures *****************************/
430 /* Symbol attribute structure. */
433 /* Variable attributes. */
434 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
435 optional:1, pointer:1, save:1, target:1,
436 dummy:1, result:1, assign:1;
438 unsigned data:1, /* Symbol is named in a DATA statement. */
439 use_assoc:1; /* Symbol has been use-associated. */
441 unsigned in_namelist:1, in_common:1, in_equivalence:1;
442 unsigned function:1, subroutine:1, generic:1;
443 unsigned implicit_type:1; /* Type defined via implicit rules. */
444 unsigned untyped:1; /* No implicit type could be found. */
446 /* Function/subroutine attributes */
447 unsigned sequence:1, elemental:1, pure:1, recursive:1;
448 unsigned unmaskable:1, masked:1, contained:1;
450 /* This is set if the subroutine doesn't return. Currently, this
451 is only possible for intrinsic subroutines. */
454 /* Set if this procedure is an alternate entry point. These procedures
455 don't have any code associated, and the backend will turn them into
456 thunks to the master function. */
459 /* Set if this is the master function for a procedure with multiple
461 unsigned entry_master:1;
463 /* Set if this is the master function for a function with multiple
464 entry points where characteristics of the entry points differ. */
465 unsigned mixed_entry_master:1;
467 /* Set if a function must always be referenced by an explicit interface. */
468 unsigned always_explicit:1;
470 /* Set if the symbol has been referenced in an expression. No further
471 modification of type or type parameters is permitted. */
472 unsigned referenced:1;
474 /* Set if the is the symbol for the main program. This is the least
475 cumbersome way to communicate this function property without
476 strcmp'ing with __MAIN everywhere. */
477 unsigned is_main_program:1;
479 /* Mutually exclusive multibit attributes. */
480 ENUM_BITFIELD (gfc_access) access:2;
481 ENUM_BITFIELD (sym_intent) intent:2;
482 ENUM_BITFIELD (sym_flavor) flavor:4;
483 ENUM_BITFIELD (ifsrc) if_source:2;
485 ENUM_BITFIELD (procedure_type) proc:3;
487 /* Special attributes for Cray pointers, pointees. */
488 unsigned cray_pointer:1, cray_pointee:1;
494 /* The following three structures are used to identify a location in
497 gfc_file is used to maintain a tree of the source files and how
498 they include each other
500 gfc_linebuf holds a single line of source code and information
501 which file it resides in
503 locus point to the sourceline and the character in the source
507 typedef struct gfc_file
509 struct gfc_file *included_by, *next, *up;
510 int inclusion_line, line;
514 typedef struct gfc_linebuf
516 #ifdef USE_MAPPED_LOCATION
517 source_location location;
521 struct gfc_file *file;
522 struct gfc_linebuf *next;
529 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
537 /* In order for the "gfc" format checking to work correctly, you must
538 have declared a typedef locus first. */
539 #if GCC_VERSION >= 4001
540 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
542 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
546 extern int gfc_suppress_error;
549 /* Character length structures hold the expression that gives the
550 length of a character variable. We avoid putting these into
551 gfc_typespec because doing so prevents us from doing structure
552 copies and forces us to deallocate any typespecs we create, as well
553 as structures that contain typespecs. They also can have multiple
554 character typespecs pointing to them.
556 These structures form a singly linked list within the current
557 namespace and are deallocated with the namespace. It is possible to
558 end up with gfc_charlen structures that have nothing pointing to them. */
560 typedef struct gfc_charlen
562 struct gfc_expr *length;
563 struct gfc_charlen *next;
568 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
570 /* Type specification structure. FIXME: derived and cl could be union??? */
575 struct gfc_symbol *derived;
576 gfc_charlen *cl; /* For character types only. */
580 /* Array specification. */
583 int rank; /* A rank of zero means that a variable is a scalar. */
585 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
587 /* These two fields are used with the Cray Pointer extension. */
588 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
589 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
590 AS_EXPLICIT, but we want to remember that we
596 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
599 /* Components of derived types. */
600 typedef struct gfc_component
605 int pointer, dimension;
610 struct gfc_expr *initializer;
611 struct gfc_component *next;
615 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
617 /* Formal argument lists are lists of symbols. */
618 typedef struct gfc_formal_arglist
620 /* Symbol representing the argument at this position in the arglist. */
621 struct gfc_symbol *sym;
622 /* Points to the next formal argument. */
623 struct gfc_formal_arglist *next;
627 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
630 /* The gfc_actual_arglist structure is for actual arguments. */
631 typedef struct gfc_actual_arglist
634 /* Alternate return label when the expr member is null. */
635 struct gfc_st_label *label;
637 /* This is set to the type of an eventual omitted optional
638 argument. This is used to determine if a hidden string length
639 argument has to be added to a function call. */
642 struct gfc_expr *expr;
643 struct gfc_actual_arglist *next;
647 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
650 /* Because a symbol can belong to multiple namelists, they must be
651 linked externally to the symbol itself. */
652 typedef struct gfc_namelist
654 struct gfc_symbol *sym;
655 struct gfc_namelist *next;
659 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
662 /* The gfc_st_label structure is a doubly linked list attached to a
663 namespace that records the usage of statement labels within that
665 /* TODO: Make format/statement specifics a union. */
666 typedef struct gfc_st_label
670 gfc_sl_type defined, referenced;
672 struct gfc_expr *format;
678 struct gfc_st_label *prev, *next;
683 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
684 typedef struct gfc_interface
686 struct gfc_symbol *sym;
688 struct gfc_interface *next;
692 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
695 /* User operator nodes. These are like stripped down symbols. */
700 gfc_interface *operator;
701 struct gfc_namespace *ns;
706 /* Symbol nodes. These are important things. They are what the
707 standard refers to as "entities". The possibly multiple names that
708 refer to the same entity are accomplished by a binary tree of
709 symtree structures that is balanced by the red-black method-- more
710 than one symtree node can point to any given symbol. */
712 typedef struct gfc_symbol
714 const char *name; /* Primary name, before renaming */
715 const char *module; /* Module this symbol came from */
719 symbol_attribute attr;
721 /* The interface member points to the formal argument list if the
722 symbol is a function or subroutine name. If the symbol is a
723 generic name, the generic member points to the list of
726 gfc_interface *generic;
727 gfc_access component_access;
729 gfc_formal_arglist *formal;
730 struct gfc_namespace *formal_ns;
732 struct gfc_expr *value; /* Parameter/Initializer value */
734 struct gfc_symbol *result; /* function result symbol */
735 gfc_component *components; /* Derived type components */
737 /* Defined only for Cray pointees; points to their pointer. */
738 struct gfc_symbol *cp_pointer;
740 struct gfc_symbol *common_next; /* Links for COMMON syms */
742 /* This is in fact a gfc_common_head but it is only used for pointer
743 comparisons to check if symbols are in the same common block. */
744 struct gfc_common_head* common_head;
746 /* Make sure setup code for dummy arguments is generated in the correct
750 gfc_namelist *namelist, *namelist_tail;
752 /* Change management fields. Symbols that might be modified by the
753 current statement have the mark member nonzero and are kept in a
754 singly linked list through the tlink field. Of these symbols,
755 symbols with old_symbol equal to NULL are symbols created within
756 the current statement. Otherwise, old_symbol points to a copy of
759 struct gfc_symbol *old_symbol, *tlink;
760 unsigned mark:1, new:1;
761 /* Nonzero if all equivalences associated with this symbol have been
763 unsigned equiv_built:1;
765 struct gfc_namespace *ns; /* namespace containing this symbol */
772 /* This structure is used to keep track of symbols in common blocks. */
774 typedef struct gfc_common_head
777 int use_assoc, saved;
778 char name[GFC_MAX_SYMBOL_LEN + 1];
779 struct gfc_symbol *head;
783 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
786 /* A list of all the alternate entry points for a procedure. */
788 typedef struct gfc_entry_list
790 /* The symbol for this entry point. */
792 /* The zero-based id of this entry point. */
794 /* The LABEL_EXPR marking this entry point. */
796 /* The nest item in the list. */
797 struct gfc_entry_list *next;
801 #define gfc_get_entry_list() \
802 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
804 /* Within a namespace, symbols are pointed to by symtree nodes that
805 are linked together in a balanced binary tree. There can be
806 several symtrees pointing to the same symbol node via USE
809 #define BBT_HEADER(self) int priority; struct self *left, *right
811 typedef struct gfc_symtree
813 BBT_HEADER (gfc_symtree);
818 gfc_symbol *sym; /* Symbol associated with this node */
820 gfc_common_head *common;
828 /* A namespace describes the contents of procedure, module or
830 /* ??? Anything else use these? */
832 typedef struct gfc_namespace
834 /* Tree containing all the symbols in this namespace. */
835 gfc_symtree *sym_root;
836 /* Tree containing all the user-defined operators in the namespace. */
837 gfc_symtree *uop_root;
838 /* Tree containing all the common blocks. */
839 gfc_symtree *common_root;
841 /* If set_flag[letter] is set, an implicit type has been set for letter. */
842 int set_flag[GFC_LETTERS];
843 /* Keeps track of the implicit types associated with the letters. */
844 gfc_typespec default_type[GFC_LETTERS];
846 /* If this is a namespace of a procedure, this points to the procedure. */
847 struct gfc_symbol *proc_name;
848 /* If this is the namespace of a unit which contains executable
849 code, this points to it. */
850 struct gfc_code *code;
852 /* Points to the equivalences set up in this namespace. */
853 struct gfc_equiv *equiv;
854 gfc_interface *operator[GFC_INTRINSIC_OPS];
856 /* Points to the parent namespace, i.e. the namespace of a module or
857 procedure in which the procedure belonging to this namespace is
858 contained. The parent namespace points to this namespace either
859 directly via CONTAINED, or indirectly via the chain built by
861 struct gfc_namespace *parent;
862 /* CONTAINED points to the first contained namespace. Sibling
863 namespaces are chained via SIBLING. */
864 struct gfc_namespace *contained, *sibling;
866 gfc_common_head blank_common;
867 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
869 gfc_st_label *st_labels;
870 /* This list holds information about all the data initializers in
872 struct gfc_data *data;
874 gfc_charlen *cl_list;
876 int save_all, seen_save, seen_implicit_none;
878 /* Normally we don't need to refcount namespaces. However when we read
879 a module containing a function with multiple entry points, this
880 will appear as several functions with the same formal namespace. */
883 /* A list of all alternate entry points to this procedure (or NULL). */
884 gfc_entry_list *entries;
886 /* Set to 1 if namespace is a BLOCK DATA program unit. */
891 extern gfc_namespace *gfc_current_ns;
893 /* Global symbols are symbols of global scope. Currently we only use
894 this to detect collisions already when parsing.
895 TODO: Extend to verify procedure calls. */
897 typedef struct gfc_gsymbol
899 BBT_HEADER(gfc_gsymbol);
902 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
903 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
910 extern gfc_gsymbol *gfc_gsym_root;
912 /* Information on interfaces being built. */
923 extern gfc_interface_info current_interface;
926 /* Array reference. */
927 typedef struct gfc_array_ref
930 int dimen; /* # of components in the reference */
934 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
935 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
936 *stride[GFC_MAX_DIMENSIONS];
939 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
940 dimen_type[GFC_MAX_DIMENSIONS];
942 struct gfc_expr *offset;
946 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
949 /* Component reference nodes. A variable is stored as an expression
950 node that points to the base symbol. After that, a singly linked
951 list of component reference nodes gives the variable's complete
952 resolution. The array_ref component may be present and comes
953 before the component component. */
956 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
959 typedef struct gfc_ref
965 struct gfc_array_ref ar;
969 gfc_component *component;
976 struct gfc_expr *start, *end; /* Substring */
984 struct gfc_ref *next;
988 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
991 /* Structures representing intrinsic symbols and their arguments lists. */
992 typedef struct gfc_intrinsic_arg
994 char name[GFC_MAX_SYMBOL_LEN + 1];
998 gfc_actual_arglist *actual;
1000 struct gfc_intrinsic_arg *next;
1006 /* Specifies the various kinds of check functions used to verify the
1007 argument lists of intrinsic functions. fX with X an integer refer
1008 to check functions of intrinsics with X arguments. f1m is used for
1009 the MAX and MIN intrinsics which can have an arbitrary number of
1010 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
1011 these have special semantics. */
1016 try (*f1)(struct gfc_expr *);
1017 try (*f1m)(gfc_actual_arglist *);
1018 try (*f2)(struct gfc_expr *, struct gfc_expr *);
1019 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1020 try (*f3ml)(gfc_actual_arglist *);
1021 try (*f3red)(gfc_actual_arglist *);
1022 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1024 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1025 struct gfc_expr *, struct gfc_expr *);
1029 /* Like gfc_check_f, these specify the type of the simplification
1030 function associated with an intrinsic. The fX are just like in
1031 gfc_check_f. cc is used for type conversion functions. */
1035 struct gfc_expr *(*f0)(void);
1036 struct gfc_expr *(*f1)(struct gfc_expr *);
1037 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
1038 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
1040 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
1041 struct gfc_expr *, struct gfc_expr *);
1042 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
1043 struct gfc_expr *, struct gfc_expr *,
1045 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1049 /* Again like gfc_check_f, these specify the type of the resolution
1050 function associated with an intrinsic. The fX are just like in
1051 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1056 void (*f0)(struct gfc_expr *);
1057 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1058 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1059 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1060 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1062 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1063 struct gfc_expr *, struct gfc_expr *);
1064 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1065 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1066 void (*s1)(struct gfc_code *);
1071 typedef struct gfc_intrinsic_sym
1073 const char *name, *lib_name;
1074 gfc_intrinsic_arg *formal;
1076 int elemental, pure, generic, specific, actual_ok, standard, noreturn;
1078 gfc_simplify_f simplify;
1080 gfc_resolve_f resolve;
1081 struct gfc_intrinsic_sym *specific_head, *next;
1082 gfc_generic_isym_id generic_id;
1088 /* Expression nodes. The expression node types deserve explanations,
1089 since the last couple can be easily misconstrued:
1091 EXPR_OP Operator node pointing to one or two other nodes
1092 EXPR_FUNCTION Function call, symbol points to function's name
1093 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1094 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1095 which expresses structure, array and substring refs.
1096 EXPR_NULL The NULL pointer value (which also has a basic type).
1097 EXPR_SUBSTRING A substring of a constant string
1098 EXPR_STRUCTURE A structure constructor
1099 EXPR_ARRAY An array constructor. */
1103 #define GFC_RND_MODE GMP_RNDN
1105 typedef struct gfc_expr
1109 gfc_typespec ts; /* These two refer to the overall expression */
1112 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1114 /* Nonnull for functions and structure constructors */
1115 gfc_symtree *symtree;
1121 /* True if it is converted from Hollerith constant. */
1122 unsigned int from_H : 1;
1139 gfc_intrinsic_op operator;
1141 struct gfc_expr *op1, *op2;
1147 gfc_actual_arglist *actual;
1148 const char *name; /* Points to the ultimate name of the function */
1149 gfc_intrinsic_sym *isym;
1161 struct gfc_constructor *constructor;
1169 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1171 /* Structures for information associated with different kinds of
1172 numbers. The first set of integer parameters define all there is
1173 to know about a particular kind. The rest of the elements are
1174 computed from the first elements. */
1178 /* Values really representable by the target. */
1179 mpz_t huge, pedantic_min_int, min_int, max_int;
1181 int kind, radix, digits, bit_size, range;
1183 /* True if the C type of the given name maps to this precision.
1184 Note that more than one bit can be set. */
1185 unsigned int c_char : 1;
1186 unsigned int c_short : 1;
1187 unsigned int c_int : 1;
1188 unsigned int c_long : 1;
1189 unsigned int c_long_long : 1;
1193 extern gfc_integer_info gfc_integer_kinds[];
1200 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1201 unsigned int c_bool : 1;
1205 extern gfc_logical_info gfc_logical_kinds[];
1210 mpfr_t epsilon, huge, tiny, subnormal;
1211 int kind, radix, digits, min_exponent, max_exponent;
1212 int range, precision;
1214 /* The precision of the type as reported by GET_MODE_PRECISION. */
1217 /* True if the C type of the given name maps to this precision.
1218 Note that more than one bit can be set. */
1219 unsigned int c_float : 1;
1220 unsigned int c_double : 1;
1221 unsigned int c_long_double : 1;
1225 extern gfc_real_info gfc_real_kinds[];
1228 /* Equivalence structures. Equivalent lvalues are linked along the
1229 *eq pointer, equivalence sets are strung along the *next node. */
1230 typedef struct gfc_equiv
1232 struct gfc_equiv *next, *eq;
1239 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1242 /* gfc_case stores the selector list of a case statement. The *low
1243 and *high pointers can point to the same expression in the case of
1244 a single value. If *high is NULL, the selection is from *low
1245 upwards, if *low is NULL the selection is *high downwards.
1247 This structure has separate fields to allow single and double linked
1248 lists of CASEs at the same time. The singe linked list along the NEXT
1249 field is a list of cases for a single CASE label. The double linked
1250 list along the LEFT/RIGHT fields is used to detect overlap and to
1251 build a table of the cases for SELECT constructs with a CHARACTER
1254 typedef struct gfc_case
1256 /* Where we saw this case. */
1260 /* Case range values. If (low == high), it's a single value. If one of
1261 the labels is NULL, it's an unbounded case. If both are NULL, this
1262 represents the default case. */
1263 gfc_expr *low, *high;
1265 /* Next case label in the list of cases for a single CASE label. */
1266 struct gfc_case *next;
1268 /* Used for detecting overlap, and for code generation. */
1269 struct gfc_case *left, *right;
1271 /* True if this case label can never be matched. */
1276 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1281 gfc_expr *var, *start, *end, *step;
1285 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1288 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1290 typedef struct gfc_alloc
1293 struct gfc_alloc *next;
1297 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1302 gfc_expr *unit, *file, *status, *access, *form, *recl,
1303 *blank, *position, *action, *delim, *pad, *iostat, *iomsg;
1311 gfc_expr *unit, *status, *iostat, *iomsg;
1319 gfc_expr *unit, *iostat, *iomsg;
1327 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1328 *name, *access, *sequential, *direct, *form, *formatted,
1329 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1330 *write, *readwrite, *delim, *pad, *iolength, *iomsg;
1340 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg;
1342 gfc_symbol *namelist;
1343 /* A format_label of `format_asterisk' indicates the "*" format */
1344 gfc_st_label *format_label;
1345 gfc_st_label *err, *end, *eor;
1347 locus eor_where, end_where;
1352 typedef struct gfc_forall_iterator
1354 gfc_expr *var, *start, *end, *stride;
1355 struct gfc_forall_iterator *next;
1357 gfc_forall_iterator;
1360 /* Executable statements that fill gfc_code structures. */
1363 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1364 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1365 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1366 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1367 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1368 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1369 EXEC_OPEN, EXEC_CLOSE,
1370 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1371 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH
1375 typedef struct gfc_code
1379 struct gfc_code *block, *next;
1382 gfc_st_label *here, *label, *label2, *label3;
1383 gfc_symtree *symtree;
1384 gfc_expr *expr, *expr2;
1385 /* A name isn't sufficient to identify a subroutine, we need the actual
1386 symbol for the interface definition.
1387 const char *sub_name; */
1388 gfc_symbol *resolved_sym;
1392 gfc_actual_arglist *actual;
1393 gfc_case *case_list;
1394 gfc_iterator *iterator;
1395 gfc_alloc *alloc_list;
1398 gfc_filepos *filepos;
1399 gfc_inquire *inquire;
1401 gfc_forall_iterator *forall_iterator;
1402 struct gfc_code *whichloop;
1404 gfc_entry_list *entry;
1406 ext; /* Points to additional structures required by statement */
1408 /* Backend_decl is used for cycle and break labels in do loops, and
1409 * probably for other constructs as well, once we translate them. */
1415 /* Storage for DATA statements. */
1416 typedef struct gfc_data_variable
1420 struct gfc_data_variable *list, *next;
1425 typedef struct gfc_data_value
1427 unsigned int repeat;
1429 struct gfc_data_value *next;
1434 typedef struct gfc_data
1436 gfc_data_variable *var;
1437 gfc_data_value *value;
1440 struct gfc_data *next;
1444 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1445 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1446 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1449 /* Structure for holding compile options */
1453 gfc_source_form source_form;
1454 int fixed_line_length;
1455 int max_identifier_length;
1459 int warn_conversion;
1460 int warn_implicit_interface;
1461 int warn_line_truncation;
1463 int warn_surprising;
1464 int warn_unused_labels;
1466 int flag_default_double;
1467 int flag_default_integer;
1468 int flag_default_real;
1470 int flag_underscoring;
1471 int flag_second_underscore;
1472 int flag_implicit_none;
1473 int flag_max_stack_var_size;
1474 int flag_module_access_private;
1475 int flag_no_backend;
1476 int flag_pack_derived;
1477 int flag_repack_arrays;
1481 int flag_cray_pointer;
1490 int warn_nonstd_intrinsics;
1495 extern gfc_option_t gfc_option;
1498 /* Constructor nodes for array and structure constructors. */
1499 typedef struct gfc_constructor
1502 gfc_iterator *iterator;
1504 struct gfc_constructor *next;
1507 mpz_t offset; /* Record the offset of array element which appears in
1508 data statement like "data a(5)/4/". */
1509 gfc_component *component; /* Record the component being initialized. */
1512 mpz_t repeat; /* Record the repeat number of initial values in data
1513 statement like "data a/5*10/". */
1518 typedef struct iterator_stack
1520 gfc_symtree *variable;
1522 struct iterator_stack *prev;
1525 extern iterator_stack *iter_stack;
1527 /************************ Function prototypes *************************/
1530 void gfc_formalize_init_value (gfc_symbol *);
1531 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1532 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1533 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1534 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1537 void gfc_scanner_done_1 (void);
1538 void gfc_scanner_init_1 (void);
1540 void gfc_add_include_path (const char *);
1541 void gfc_release_include_path (void);
1542 FILE *gfc_open_included_file (const char *);
1544 int gfc_at_end (void);
1545 int gfc_at_eof (void);
1546 int gfc_at_bol (void);
1547 int gfc_at_eol (void);
1548 void gfc_advance_line (void);
1549 int gfc_check_include (void);
1551 void gfc_skip_comments (void);
1552 int gfc_next_char_literal (int);
1553 int gfc_next_char (void);
1554 int gfc_peek_char (void);
1555 void gfc_error_recovery (void);
1556 void gfc_gobble_whitespace (void);
1557 try gfc_new_file (void);
1559 extern gfc_source_form gfc_current_form;
1560 extern const char *gfc_source_file;
1561 extern locus gfc_current_locus;
1564 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1565 void gfc_free (void *);
1566 int gfc_terminal_width(void);
1567 void gfc_clear_ts (gfc_typespec *);
1568 FILE *gfc_open_file (const char *);
1569 const char *gfc_basic_typename (bt);
1570 const char *gfc_typename (gfc_typespec *);
1572 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1573 "=" : gfc_code2string (intrinsic_operators, OP))
1575 const char *gfc_code2string (const mstring *, int);
1576 int gfc_string2code (const mstring *, const char *);
1577 const char *gfc_intent_string (sym_intent);
1579 void gfc_init_1 (void);
1580 void gfc_init_2 (void);
1581 void gfc_done_1 (void);
1582 void gfc_done_2 (void);
1585 unsigned int gfc_init_options (unsigned int, const char **);
1586 int gfc_handle_option (size_t, const char *, int);
1587 bool gfc_post_options (const char **);
1590 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1594 typedef struct gfc_error_buf
1597 size_t allocated, index;
1601 void gfc_error_init_1 (void);
1602 void gfc_buffer_error (int);
1604 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1605 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1606 void gfc_clear_warning (void);
1607 void gfc_warning_check (void);
1609 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1610 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
1611 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1612 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
1613 void gfc_clear_error (void);
1614 int gfc_error_check (void);
1616 try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
1618 /* A general purpose syntax error. */
1619 #define gfc_syntax_error(ST) \
1620 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1622 void gfc_push_error (gfc_error_buf *);
1623 void gfc_pop_error (gfc_error_buf *);
1624 void gfc_free_error (gfc_error_buf *);
1626 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1627 void gfc_status_char (char);
1629 void gfc_get_errors (int *, int *);
1632 void gfc_arith_init_1 (void);
1633 void gfc_arith_done_1 (void);
1634 gfc_expr *gfc_enum_initializer (gfc_expr *, locus);
1635 arith gfc_check_integer_range (mpz_t p, int kind);
1638 int gfc_validate_kind (bt, int, bool);
1639 extern int gfc_index_integer_kind;
1640 extern int gfc_default_integer_kind;
1641 extern int gfc_max_integer_kind;
1642 extern int gfc_default_real_kind;
1643 extern int gfc_default_double_kind;
1644 extern int gfc_default_character_kind;
1645 extern int gfc_default_logical_kind;
1646 extern int gfc_default_complex_kind;
1647 extern int gfc_c_int_kind;
1650 void gfc_clear_new_implicit (void);
1651 try gfc_add_new_implicit_range (int, int);
1652 try gfc_merge_new_implicit (gfc_typespec *);
1653 void gfc_set_implicit_none (void);
1655 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1656 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1658 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1659 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1661 void gfc_set_sym_referenced (gfc_symbol * sym);
1663 try gfc_add_allocatable (symbol_attribute *, locus *);
1664 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1665 try gfc_add_external (symbol_attribute *, locus *);
1666 try gfc_add_intrinsic (symbol_attribute *, locus *);
1667 try gfc_add_optional (symbol_attribute *, locus *);
1668 try gfc_add_pointer (symbol_attribute *, locus *);
1669 try gfc_add_cray_pointer (symbol_attribute *, locus *);
1670 try gfc_add_cray_pointee (symbol_attribute *, locus *);
1671 try gfc_mod_pointee_as (gfc_array_spec *as);
1672 try gfc_add_result (symbol_attribute *, const char *, locus *);
1673 try gfc_add_save (symbol_attribute *, const char *, locus *);
1674 try gfc_add_saved_common (symbol_attribute *, locus *);
1675 try gfc_add_target (symbol_attribute *, locus *);
1676 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1677 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1678 try gfc_add_common (symbol_attribute *, locus *);
1679 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1680 try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
1681 try gfc_add_data (symbol_attribute *, const char *, locus *);
1682 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1683 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1684 try gfc_add_elemental (symbol_attribute *, locus *);
1685 try gfc_add_pure (symbol_attribute *, locus *);
1686 try gfc_add_recursive (symbol_attribute *, locus *);
1687 try gfc_add_function (symbol_attribute *, const char *, locus *);
1688 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1690 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1691 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1692 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1693 try gfc_add_procedure (symbol_attribute *, procedure_type,
1694 const char *, locus *);
1695 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1696 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1697 gfc_formal_arglist *, locus *);
1698 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1700 void gfc_clear_attr (symbol_attribute *);
1701 try gfc_missing_attr (symbol_attribute *, locus *);
1702 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1704 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1705 gfc_symbol *gfc_use_derived (gfc_symbol *);
1706 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1707 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1709 gfc_st_label *gfc_get_st_label (int);
1710 void gfc_free_st_label (gfc_st_label *);
1711 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1712 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1714 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1715 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1716 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1717 gfc_user_op *gfc_get_uop (const char *);
1718 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1719 void gfc_free_symbol (gfc_symbol *);
1720 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1721 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1722 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1723 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1724 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1725 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1726 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1728 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1730 void gfc_undo_symbols (void);
1731 void gfc_commit_symbols (void);
1732 void gfc_free_namespace (gfc_namespace *);
1734 void gfc_symbol_init_2 (void);
1735 void gfc_symbol_done_2 (void);
1737 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1738 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1739 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1740 void gfc_save_all (gfc_namespace *);
1742 void gfc_symbol_state (void);
1744 gfc_gsymbol *gfc_get_gsymbol (const char *);
1745 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1748 extern int gfc_init_expr;
1750 /* Given a symbol that we have decided is intrinsic, mark it as such
1751 by placing it into a special module that is otherwise impossible to
1754 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1756 void gfc_intrinsic_init_1 (void);
1757 void gfc_intrinsic_done_1 (void);
1759 char gfc_type_letter (bt);
1760 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1761 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1762 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1763 int gfc_generic_intrinsic (const char *);
1764 int gfc_specific_intrinsic (const char *);
1765 int gfc_intrinsic_name (const char *, int);
1766 gfc_intrinsic_sym *gfc_find_function (const char *);
1768 match gfc_intrinsic_func_interface (gfc_expr *, int);
1769 match gfc_intrinsic_sub_interface (gfc_code *, int);
1772 void gfc_simplify_init_1 (void);
1774 /* match.c -- FIXME */
1775 void gfc_free_iterator (gfc_iterator *, int);
1776 void gfc_free_forall_iterator (gfc_forall_iterator *);
1777 void gfc_free_alloc_list (gfc_alloc *);
1778 void gfc_free_namelist (gfc_namelist *);
1779 void gfc_free_equiv (gfc_equiv *);
1780 void gfc_free_data (gfc_data *);
1781 void gfc_free_case_list (gfc_case *);
1784 void gfc_free_actual_arglist (gfc_actual_arglist *);
1785 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1786 const char *gfc_extract_int (gfc_expr *, int *);
1788 gfc_expr *gfc_build_conversion (gfc_expr *);
1789 void gfc_free_ref_list (gfc_ref *);
1790 void gfc_type_convert_binary (gfc_expr *);
1791 int gfc_is_constant_expr (gfc_expr *);
1792 try gfc_simplify_expr (gfc_expr *, int);
1794 gfc_expr *gfc_get_expr (void);
1795 void gfc_free_expr (gfc_expr *);
1796 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1797 gfc_expr *gfc_int_expr (int);
1798 gfc_expr *gfc_logical_expr (int, locus *);
1799 mpz_t *gfc_copy_shape (mpz_t *, int);
1800 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1801 gfc_expr *gfc_copy_expr (gfc_expr *);
1803 try gfc_specification_expr (gfc_expr *);
1805 int gfc_numeric_ts (gfc_typespec *);
1806 int gfc_kind_max (gfc_expr *, gfc_expr *);
1808 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1809 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1810 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1811 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1813 gfc_expr *gfc_default_initializer (gfc_typespec *);
1814 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1818 extern gfc_code new_st;
1820 void gfc_clear_new_st (void);
1821 gfc_code *gfc_get_code (void);
1822 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1823 void gfc_free_statement (gfc_code *);
1824 void gfc_free_statements (gfc_code *);
1827 try gfc_resolve_expr (gfc_expr *);
1828 void gfc_resolve (gfc_namespace *);
1829 int gfc_impure_variable (gfc_symbol *);
1830 int gfc_pure (gfc_symbol *);
1831 int gfc_elemental (gfc_symbol *);
1832 try gfc_resolve_iterator (gfc_iterator *, bool);
1833 try gfc_resolve_index (gfc_expr *, int);
1834 try gfc_resolve_dim_arg (gfc_expr *);
1835 int gfc_is_formal_arg (void);
1838 void gfc_free_array_spec (gfc_array_spec *);
1839 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1841 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1842 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1843 try gfc_resolve_array_spec (gfc_array_spec *, int);
1845 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1847 gfc_expr *gfc_start_constructor (bt, int, locus *);
1848 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1849 void gfc_free_constructor (gfc_constructor *);
1850 void gfc_simplify_iterator_var (gfc_expr *);
1851 try gfc_expand_constructor (gfc_expr *);
1852 int gfc_constant_ac (gfc_expr *);
1853 int gfc_expanded_ac (gfc_expr *);
1854 try gfc_resolve_array_constructor (gfc_expr *);
1855 try gfc_check_constructor_type (gfc_expr *);
1856 try gfc_check_iter_variable (gfc_expr *);
1857 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1858 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1859 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1860 try gfc_array_size (gfc_expr *, mpz_t *);
1861 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1862 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1863 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1864 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1865 gfc_constructor *gfc_get_constructor (void);
1866 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1867 try spec_size (gfc_array_spec *, mpz_t *);
1868 int gfc_is_compile_time_shape (gfc_array_spec *);
1870 /* interface.c -- FIXME: some of these should be in symbol.c */
1871 void gfc_free_interface (gfc_interface *);
1872 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1873 void gfc_check_interfaces (gfc_namespace *);
1874 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1875 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1876 gfc_actual_arglist **);
1877 try gfc_extend_expr (gfc_expr *);
1878 void gfc_free_formal_arglist (gfc_formal_arglist *);
1879 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1880 try gfc_add_interface (gfc_symbol * sym);
1883 extern gfc_st_label format_asterisk;
1885 void gfc_free_open (gfc_open *);
1886 try gfc_resolve_open (gfc_open *);
1887 void gfc_free_close (gfc_close *);
1888 try gfc_resolve_close (gfc_close *);
1889 void gfc_free_filepos (gfc_filepos *);
1890 try gfc_resolve_filepos (gfc_filepos *);
1891 void gfc_free_inquire (gfc_inquire *);
1892 try gfc_resolve_inquire (gfc_inquire *);
1893 void gfc_free_dt (gfc_dt *);
1894 try gfc_resolve_dt (gfc_dt *);
1897 void gfc_module_init_2 (void);
1898 void gfc_module_done_2 (void);
1899 void gfc_dump_module (const char *, int);
1900 bool gfc_check_access (gfc_access, gfc_access);
1903 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1904 symbol_attribute gfc_expr_attr (gfc_expr *);
1907 void gfc_generate_code (gfc_namespace *);
1908 void gfc_generate_module_code (gfc_namespace *);
1911 typedef int (*compare_fn) (void *, void *);
1912 void gfc_insert_bbt (void *, void *, compare_fn);
1913 void gfc_delete_bbt (void *, void *, compare_fn);
1915 /* dump-parse-tree.c */
1916 void gfc_show_namespace (gfc_namespace *);
1919 try gfc_parse_file (void);
1921 #endif /* GCC_GFORTRAN_H */