1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004 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, 59 Temple Place - Suite 330, 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. */
32 /* We need system.h for HOST_WIDE_INT. Including hwint.h by itself doesn't
33 seem to be sufficient on some systems. */
35 #include "coretypes.h"
38 /* The following ifdefs are recommended by the autoconf documentation
39 for any code using alloca. */
41 /* AIX requires this to be the first thing in the file. */
43 #else /* not __GNUC__ */
46 #else /* do not HAVE_ALLOCA_H */
50 #ifndef alloca /* predefined by HP cc +Olibcalls */
52 #endif /* not predefined */
54 #endif /* do not HAVE_ALLOCA_H */
55 #endif /* not __GNUC__ */
58 #include <stdio.h> /* need FILE * here */
60 /* Major control parameters. */
62 #define GFC_MAX_SYMBOL_LEN 63
63 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
64 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
65 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
66 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
68 #define free(x) Use_gfc_free_instead_of_free()
69 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
72 #define NULL ((void *) 0)
76 #define stringize(x) expand_macro(x)
77 #define expand_macro(x) # x
79 /* For a the runtime library, a standard prefix is a requirement to
80 avoid cluttering the namespace with things nobody asked for. It's
81 ugly to look at and a pain to type when you add the prefix by hand,
82 so we hide it behind a macro. */
83 #define PREFIX(x) "_gfortran_" x
86 /* Macro to initialize an mstring structure. */
87 #define minit(s, t) { s, NULL, t }
89 /* Structure for storing strings to be matched by gfc_match_string. */
99 /* Flags to specify which standardi/extension contains a feature. */
100 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
101 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
102 #define GFC_STD_F2003_DEL (1<<3) /* Deleted in F2003. */
103 #define GFC_STD_F2003_OBS (1<<2) /* Obsoleted in F2003. */
104 #define GFC_STD_F95_DEL (1<<1) /* Deleted in F95. */
105 #define GFC_STD_F95_OBS (1<<0) /* Obsoleted in F95. */
107 /*************************** Enums *****************************/
109 /* The author remains confused to this day about the convention of
110 returning '0' for 'SUCCESS'... or was it the other way around? The
111 following enum makes things much more readable. We also start
112 values off at one instead of zero. */
115 { SUCCESS = 1, FAILURE }
118 /* Matchers return one of these three values. The difference between
119 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
120 successful, but that something non-syntactic is wrong and an error
121 has already been issued. */
124 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
128 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
132 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
133 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE
137 /* Expression node types. */
139 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
140 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
146 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
147 AS_ASSUMED_SIZE, AS_UNKNOWN
152 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
155 /* Statement label types. */
157 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
158 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
162 /* Intrinsic operators. */
164 { GFC_INTRINSIC_BEGIN = 0,
165 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
166 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
167 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
168 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
169 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
170 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
172 GFC_INTRINSIC_END /* Sentinel */
177 /* Strings for all intrinsic operators. */
178 extern mstring intrinsic_operators[];
181 /* This macro is the number of intrinsic operators that exist.
182 Assumptions are made about the numbering of the interface_op enums. */
183 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
185 /* Arithmetic results. */
187 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
188 ARITH_DIV0, ARITH_0TO0, ARITH_INCOMMENSURATE
195 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
196 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
197 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
198 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
199 ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
200 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
201 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
202 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
203 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
204 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
205 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
207 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
208 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
209 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
214 /* Types of interfaces that we can have. Assignment interfaces are
215 considered to be intrinsic operators. */
218 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
219 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
223 /* Symbol flavors: these are all mutually exclusive.
224 10 elements = 4 bits. */
227 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
228 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
232 /* Procedure types. 7 elements = 3 bits. */
234 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
235 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
241 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
247 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE,
251 /* Flags to keep track of where an interface came from.
252 4 elements = 2 bits. */
254 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
258 /* Strings for all symbol attributes. We use these for dumping the
259 parse tree, in error messages, and also when reading and writing
260 modules. In symbol.c. */
261 extern const mstring flavors[];
262 extern const mstring procedures[];
263 extern const mstring intents[];
264 extern const mstring access_types[];
265 extern const mstring ifsrc_types[];
267 /* Enumeration of all the generic intrinsic functions. Used by the
268 backend for identification of a function. */
270 enum gfc_generic_isym_id
272 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
273 the backend (eg. KIND). */
300 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
308 GFC_ISYM_DOT_PRODUCT,
370 GFC_ISYM_SET_EXPONENT,
392 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
394 /************************* Structures *****************************/
396 /* Symbol attribute structure. */
399 /* Variable attributes. */
400 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
401 optional:1, pointer:1, save:1, target:1,
402 dummy:1, result:1, assign:1;
404 unsigned data:1, /* Symbol is named in a DATA statement. */
405 use_assoc:1; /* Symbol has been use-associated. */
407 unsigned in_namelist:1, in_common:1;
408 unsigned function:1, subroutine:1, generic:1;
409 unsigned implicit_type:1; /* Type defined via implicit rules */
411 /* Function/subroutine attributes */
412 unsigned sequence:1, elemental:1, pure:1, recursive:1;
413 unsigned unmaskable:1, masked:1, contained:1;
415 /* Set if this procedure is an alternate entry point. These procedures
416 don't have any code associated, and the backend will turn them into
417 thunks to the master function. */
419 /* Set if this is the master function for a procedure with multiple
421 unsigned entry_master:1;
423 /* Set if a function must always be referenced by an explicit interface. */
424 unsigned always_explicit:1;
426 /* Set if the symbol has been referenced in an expression. No further
427 modification of type or type parameters is permitted. */
428 unsigned referenced:1;
430 /* Mutually exclusive multibit attributes. */
436 procedure_type proc:3;
442 /* The following three structures are used to identify a location in
445 gfc_file is used to maintain a tree of the source files and how
446 they include each other
448 gfc_linebuf holds a single line of source code and information
449 which file it resides in
451 locus point to the sourceline and the character in the source
455 typedef struct gfc_file
457 struct gfc_file *included_by, *next, *up;
458 int inclusion_line, line;
462 typedef struct gfc_linebuf
464 #ifdef USE_MAPPED_LOCATION
465 source_location location;
469 struct gfc_file *file;
470 struct gfc_linebuf *next;
484 # include <sys/param.h>
485 # define PATH_MAX MAXPATHLEN
489 extern int gfc_suppress_error;
492 /* Character length structures hold the expression that gives the
493 length of a character variable. We avoid putting these into
494 gfc_typespec because doing so prevents us from doing structure
495 copies and forces us to deallocate any typespecs we create, as well
496 as structures that contain typespecs. They also can have multiple
497 character typespecs pointing to them.
499 These structures form a singly linked list within the current
500 namespace and are deallocated with the namespace. It is possible to
501 end up with gfc_charlen structures that have nothing pointing to them. */
503 typedef struct gfc_charlen
505 struct gfc_expr *length;
506 struct gfc_charlen *next;
511 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
513 /* Type specification structure. FIXME: derived and cl could be union??? */
518 struct gfc_symbol *derived;
519 gfc_charlen *cl; /* For character types only. */
523 /* Array specification. */
526 int rank; /* A rank of zero means that a variable is a scalar. */
528 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
532 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
535 /* Components of derived types. */
536 typedef struct gfc_component
538 char name[GFC_MAX_SYMBOL_LEN + 1];
541 int pointer, dimension;
546 struct gfc_expr *initializer;
547 struct gfc_component *next;
551 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
553 /* Formal argument lists are lists of symbols. */
554 typedef struct gfc_formal_arglist
556 /* Symbol representing the argument at this position in the arglist. */
557 struct gfc_symbol *sym;
558 /* Points to the next formal argument. */
559 struct gfc_formal_arglist *next;
563 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
566 /* The gfc_actual_arglist structure is for actual arguments. */
567 typedef struct gfc_actual_arglist
569 char name[GFC_MAX_SYMBOL_LEN + 1];
570 /* Alternate return label when the expr member is null. */
571 struct gfc_st_label *label;
573 /* This is set to the type of an eventual omitted optional
574 argument. This is used to determine if a hidden string length
575 argument has to be added to a function call. */
578 struct gfc_expr *expr;
579 struct gfc_actual_arglist *next;
583 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
586 /* Because a symbol can belong to multiple namelists, they must be
587 linked externally to the symbol itself. */
588 typedef struct gfc_namelist
590 struct gfc_symbol *sym;
591 struct gfc_namelist *next;
595 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
598 /* The gfc_st_label structure is a doubly linked list attached to a
599 namespace that records the usage of statement labels within that
601 /* TODO: Make format/statement specifics a union. */
602 typedef struct gfc_st_label
606 gfc_sl_type defined, referenced;
608 struct gfc_expr *format;
614 struct gfc_st_label *prev, *next;
619 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
620 typedef struct gfc_interface
622 struct gfc_symbol *sym;
624 struct gfc_interface *next;
628 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
631 /* User operator nodes. These are like stripped down symbols. */
634 char name[GFC_MAX_SYMBOL_LEN + 1];
636 gfc_interface *operator;
637 struct gfc_namespace *ns;
642 /* Symbol nodes. These are important things. They are what the
643 standard refers to as "entities". The possibly multiple names that
644 refer to the same entity are accomplished by a binary tree of
645 symtree structures that is balanced by the red-black method-- more
646 than one symtree node can point to any given symbol. */
648 typedef struct gfc_symbol
650 char name[GFC_MAX_SYMBOL_LEN + 1]; /* Primary name, before renaming */
651 char module[GFC_MAX_SYMBOL_LEN + 1]; /* Module this symbol came from */
655 symbol_attribute attr;
657 /* The interface member points to the formal argument list if the
658 symbol is a function or subroutine name. If the symbol is a
659 generic name, the generic member points to the list of
662 gfc_interface *generic;
663 gfc_access component_access;
665 gfc_formal_arglist *formal;
666 struct gfc_namespace *formal_ns;
668 struct gfc_expr *value; /* Parameter/Initializer value */
670 struct gfc_symbol *result; /* function result symbol */
671 gfc_component *components; /* Derived type components */
673 struct gfc_symbol *common_next; /* Links for COMMON syms */
674 /* Make sure setup code for dummy arguments is generated in the correct
678 gfc_namelist *namelist, *namelist_tail;
680 /* Change management fields. Symbols that might be modified by the
681 current statement have the mark member nonzero and are kept in a
682 singly linked list through the tlink field. Of these symbols,
683 symbols with old_symbol equal to NULL are symbols created within
684 the current statement. Otherwise, old_symbol points to a copy of
687 struct gfc_symbol *old_symbol, *tlink;
688 unsigned mark:1, new:1;
689 /* Nonzero if all equivalences associated with this symbol have been
691 unsigned equiv_built:1;
693 struct gfc_namespace *ns; /* namespace containing this symbol */
700 /* This structure is used to keep track of symbols in common blocks. */
705 int use_assoc, saved;
706 char name[GFC_MAX_SYMBOL_LEN + 1];
711 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
714 /* A list of all the alternate entry points for a procedure. */
716 typedef struct gfc_entry_list
718 /* The symbol for this entry point. */
720 /* The zero-based id of this entry point. */
722 /* The LABEL_EXPR marking this entry point. */
724 /* The nest item in the list. */
725 struct gfc_entry_list *next;
729 #define gfc_get_entry_list() \
730 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
732 /* Within a namespace, symbols are pointed to by symtree nodes that
733 are linked together in a balanced binary tree. There can be
734 several symtrees pointing to the same symbol node via USE
737 #define BBT_HEADER(self) int priority; struct self *left, *right
739 typedef struct gfc_symtree
741 BBT_HEADER (gfc_symtree);
742 char name[GFC_MAX_SYMBOL_LEN + 1];
746 gfc_symbol *sym; /* Symbol associated with this node */
748 gfc_common_head *common;
756 /* A namespace describes the contents of procedure, module or
758 /* ??? Anything else use these? */
760 typedef struct gfc_namespace
762 /* Tree containing all the symbols in this namespace. */
763 gfc_symtree *sym_root;
764 /* Tree containing all the user-defined operators in the namespace. */
765 gfc_symtree *uop_root;
766 /* Tree containing all the common blocks. */
767 gfc_symtree *common_root;
769 /* If set_flag[letter] is set, an implicit type has been set for letter. */
770 int set_flag[GFC_LETTERS];
771 /* Keeps track of the implicit types associated with the letters. */
772 gfc_typespec default_type[GFC_LETTERS];
774 /* If this is a namespace of a procedure, this points to the procedure. */
775 struct gfc_symbol *proc_name;
776 /* If this is the namespace of a unit which contains executable
777 code, this points to it. */
778 struct gfc_code *code;
780 /* Points to the equivalences set up in this namespace. */
781 struct gfc_equiv *equiv;
782 gfc_interface *operator[GFC_INTRINSIC_OPS];
784 /* Points to the parent namespace, i.e. the namespace of a module or
785 procedure in which the procedure belonging to this namespace is
786 contained. The parent namespace points to this namespace either
787 directly via CONTAINED, or indirectly via the chain built by
789 struct gfc_namespace *parent;
790 /* CONTAINED points to the first contained namespace. Sibling
791 namespaces are chained via SIBLING. */
792 struct gfc_namespace *contained, *sibling;
794 gfc_common_head blank_common;
795 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
797 gfc_st_label *st_labels;
798 /* This list holds information about all the data initializers in
800 struct gfc_data *data;
802 gfc_charlen *cl_list;
804 int save_all, seen_save;
806 /* Normally we don't need to refcount namespaces. However when we read
807 a module containing a function with multiple entry points, this
808 will appear as several functions with the same formal namespace. */
811 /* A list of all alternate entry points to this procedure (or NULL). */
812 gfc_entry_list *entries;
814 /* Set to 1 if namespace is a BLOCK DATA program unit. */
819 extern gfc_namespace *gfc_current_ns;
821 /* Global symbols are symbols of global scope. Currently we only use
822 this to detect collisions already when parsing.
823 TODO: Extend to verify procedure calls. */
825 typedef struct gfc_gsymbol
827 BBT_HEADER(gfc_gsymbol);
829 char name[GFC_MAX_SYMBOL_LEN+1];
830 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
831 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
838 extern gfc_gsymbol *gfc_gsym_root;
840 /* Information on interfaces being built. */
851 extern gfc_interface_info current_interface;
854 /* Array reference. */
855 typedef struct gfc_array_ref
858 int dimen; /* # of components in the reference */
862 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
863 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
864 *stride[GFC_MAX_DIMENSIONS];
867 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
868 dimen_type[GFC_MAX_DIMENSIONS];
870 struct gfc_expr *offset;
874 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
877 /* Component reference nodes. A variable is stored as an expression
878 node that points to the base symbol. After that, a singly linked
879 list of component reference nodes gives the variable's complete
880 resolution. The array_ref component may be present and comes
881 before the component component. */
884 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
887 typedef struct gfc_ref
893 struct gfc_array_ref ar;
897 gfc_component *component;
904 struct gfc_expr *start, *end; /* Substring */
912 struct gfc_ref *next;
916 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
919 /* Structures representing intrinsic symbols and their arguments lists. */
920 typedef struct gfc_intrinsic_arg
922 char name[GFC_MAX_SYMBOL_LEN + 1];
926 gfc_actual_arglist *actual;
928 struct gfc_intrinsic_arg *next;
934 /* Specifies the various kinds of check functions used to verify the
935 argument lists of intrinsic functions. fX with X an integer refer
936 to check functions of intrinsics with X arguments. f1m is used for
937 the MAX and MIN intrinsics which can have an arbitrary number of
938 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
939 these have special semantics. */
944 try (*f1)(struct gfc_expr *);
945 try (*f1m)(gfc_actual_arglist *);
946 try (*f2)(struct gfc_expr *, struct gfc_expr *);
947 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
948 try (*f3ml)(gfc_actual_arglist *);
949 try (*f3red)(gfc_actual_arglist *);
950 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
952 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
953 struct gfc_expr *, struct gfc_expr *);
957 /* Like gfc_check_f, these specify the type of the simplification
958 function associated with an intrinsic. The fX are just like in
959 gfc_check_f. cc is used for type conversion functions. */
963 struct gfc_expr *(*f0)(void);
964 struct gfc_expr *(*f1)(struct gfc_expr *);
965 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
966 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
968 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
969 struct gfc_expr *, struct gfc_expr *);
970 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
971 struct gfc_expr *, struct gfc_expr *,
973 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
977 /* Again like gfc_check_f, these specify the type of the resolution
978 function associated with an intrinsic. The fX are just like in
979 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
984 void (*f0)(struct gfc_expr *);
985 void (*f1)(struct gfc_expr *, struct gfc_expr *);
986 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
987 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
988 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
990 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
991 struct gfc_expr *, struct gfc_expr *);
992 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
993 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
994 void (*s1)(struct gfc_code *);
999 typedef struct gfc_intrinsic_sym
1001 char name[GFC_MAX_SYMBOL_LEN + 1], lib_name[GFC_MAX_SYMBOL_LEN + 1];
1002 gfc_intrinsic_arg *formal;
1004 int elemental, pure, generic, specific, actual_ok;
1006 gfc_simplify_f simplify;
1008 gfc_resolve_f resolve;
1009 struct gfc_intrinsic_sym *specific_head, *next;
1010 gfc_generic_isym_id generic_id;
1016 /* Expression nodes. The expression node types deserve explanations,
1017 since the last couple can be easily misconstrued:
1019 EXPR_OP Operator node pointing to one or two other nodes
1020 EXPR_FUNCTION Function call, symbol points to function's name
1021 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1022 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1023 which expresses structure, array and substring refs.
1024 EXPR_NULL The NULL pointer value (which also has a basic type).
1025 EXPR_SUBSTRING A substring of a constant string
1026 EXPR_STRUCTURE A structure constructor
1027 EXPR_ARRAY An array constructor. */
1031 #define GFC_RND_MODE GMP_RNDN
1033 typedef struct gfc_expr
1037 gfc_typespec ts; /* These two refer to the overall expression */
1040 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1042 gfc_intrinsic_op operator;
1044 /* Nonnull for functions and structure constructors */
1045 gfc_symtree *symtree;
1050 struct gfc_expr *op1, *op2;
1068 gfc_actual_arglist *actual;
1069 char *name; /* Points to the ultimate name of the function */
1070 gfc_intrinsic_sym *isym;
1082 struct gfc_constructor *constructor;
1090 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1092 /* Structures for information associated with different kinds of
1093 numbers. The first set of integer parameters define all there is
1094 to know about a particular kind. The rest of the elements are
1095 computed from the first elements. */
1099 /* Values really representable by the target. */
1100 mpz_t huge, min_int, max_int;
1102 int kind, radix, digits, bit_size, range;
1104 /* True if the C type of the given name maps to this precision.
1105 Note that more than one bit can be set. */
1106 unsigned int c_char : 1;
1107 unsigned int c_short : 1;
1108 unsigned int c_int : 1;
1109 unsigned int c_long : 1;
1110 unsigned int c_long_long : 1;
1114 extern gfc_integer_info gfc_integer_kinds[];
1121 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1122 unsigned int c_bool : 1;
1126 extern gfc_logical_info gfc_logical_kinds[];
1131 mpfr_t epsilon, huge, tiny;
1132 int kind, radix, digits, min_exponent, max_exponent;
1133 int range, precision;
1135 /* The precision of the type as reported by GET_MODE_PRECISION. */
1138 /* True if the C type of the given name maps to this precision.
1139 Note that more than one bit can be set. */
1140 unsigned int c_float : 1;
1141 unsigned int c_double : 1;
1142 unsigned int c_long_double : 1;
1146 extern gfc_real_info gfc_real_kinds[];
1149 /* Equivalence structures. Equivalent lvalues are linked along the
1150 *eq pointer, equivalence sets are strung along the *next node. */
1151 typedef struct gfc_equiv
1153 struct gfc_equiv *next, *eq;
1159 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1162 /* gfc_case stores the selector list of a case statement. The *low
1163 and *high pointers can point to the same expression in the case of
1164 a single value. If *high is NULL, the selection is from *low
1165 upwards, if *low is NULL the selection is *high downwards.
1167 This structure has separate fields to allow singe and double linked
1168 lists of CASEs the same time. The singe linked list along the NEXT
1169 field is a list of cases for a single CASE label. The double linked
1170 list along the LEFT/RIGHT fields is used to detect overlap and to
1171 build a table of the cases for SELECT constructs with a CHARACTER
1174 typedef struct gfc_case
1176 /* Where we saw this case. */
1180 /* Case range values. If (low == high), it's a single value. If one of
1181 the labels is NULL, it's an unbounded case. If both are NULL, this
1182 represents the default case. */
1183 gfc_expr *low, *high;
1185 /* Next case label in the list of cases for a single CASE label. */
1186 struct gfc_case *next;
1188 /* Used for detecting overlap, and for code generation. */
1189 struct gfc_case *left, *right;
1191 /* True if this case label can never be matched. */
1196 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1201 gfc_expr *var, *start, *end, *step;
1205 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1208 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1210 typedef struct gfc_alloc
1213 struct gfc_alloc *next;
1217 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1222 gfc_expr *unit, *file, *status, *access, *form, *recl,
1223 *blank, *position, *action, *delim, *pad, *iostat;
1231 gfc_expr *unit, *status, *iostat;
1239 gfc_expr *unit, *iostat;
1247 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1248 *name, *access, *sequential, *direct, *form, *formatted,
1249 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1250 *write, *readwrite, *delim, *pad, *iolength;
1260 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1262 gfc_symbol *namelist;
1263 /* A format_label of `format_asterisk' indicates the "*" format */
1264 gfc_st_label *format_label;
1265 gfc_st_label *err, *end, *eor;
1267 locus eor_where, end_where;
1272 typedef struct gfc_forall_iterator
1274 gfc_expr *var, *start, *end, *stride;
1275 struct gfc_forall_iterator *next;
1277 gfc_forall_iterator;
1280 /* Executable statements that fill gfc_code structures. */
1283 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1284 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1285 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1286 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1287 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1288 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1289 EXEC_OPEN, EXEC_CLOSE,
1290 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1291 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1295 typedef struct gfc_code
1299 struct gfc_code *block, *next;
1302 gfc_st_label *here, *label, *label2, *label3;
1303 gfc_symtree *symtree;
1304 gfc_expr *expr, *expr2;
1305 /* A name isn't sufficient to identify a subroutine, we need the actual
1306 symbol for the interface definition.
1307 const char *sub_name; */
1308 gfc_symbol *resolved_sym;
1312 gfc_actual_arglist *actual;
1313 gfc_case *case_list;
1314 gfc_iterator *iterator;
1315 gfc_alloc *alloc_list;
1318 gfc_filepos *filepos;
1319 gfc_inquire *inquire;
1321 gfc_forall_iterator *forall_iterator;
1322 struct gfc_code *whichloop;
1324 gfc_entry_list *entry;
1326 ext; /* Points to additional structures required by statement */
1328 /* Backend_decl is used for cycle and break labels in do loops, and
1329 * probably for other constructs as well, once we translate them. */
1335 /* Storage for DATA statements. */
1336 typedef struct gfc_data_variable
1340 struct gfc_data_variable *list, *next;
1345 typedef struct gfc_data_value
1347 unsigned int repeat;
1349 struct gfc_data_value *next;
1354 typedef struct gfc_data
1356 gfc_data_variable *var;
1357 gfc_data_value *value;
1360 struct gfc_data *next;
1364 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1365 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1366 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1369 /* Structure for holding compile options */
1374 gfc_source_form source_form;
1375 int fixed_line_length;
1376 int max_identifier_length;
1380 int warn_conversion;
1381 int warn_implicit_interface;
1382 int warn_line_truncation;
1384 int warn_surprising;
1385 int warn_unused_labels;
1388 int flag_underscoring;
1389 int flag_second_underscore;
1390 int flag_implicit_none;
1391 int flag_max_stack_var_size;
1392 int flag_module_access_private;
1393 int flag_no_backend;
1394 int flag_pack_derived;
1395 int flag_repack_arrays;
1406 extern gfc_option_t gfc_option;
1409 /* Constructor nodes for array and structure constructors. */
1410 typedef struct gfc_constructor
1413 gfc_iterator *iterator;
1415 struct gfc_constructor *next;
1418 mpz_t offset; /* Record the offset of array element which appears in
1419 data statement like "data a(5)/4/". */
1420 gfc_component *component; /* Record the component being initialized. */
1423 mpz_t repeat; /* Record the repeat number of initial values in data
1424 statement like "data a/5*10/". */
1429 typedef struct iterator_stack
1431 gfc_symtree *variable;
1433 struct iterator_stack *prev;
1436 extern iterator_stack *iter_stack;
1438 /************************ Function prototypes *************************/
1441 void gfc_formalize_init_value (gfc_symbol *);
1442 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1443 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1444 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1445 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1448 void gfc_scanner_done_1 (void);
1449 void gfc_scanner_init_1 (void);
1451 void gfc_add_include_path (const char *);
1452 void gfc_release_include_path (void);
1453 FILE *gfc_open_included_file (const char *);
1455 int gfc_at_end (void);
1456 int gfc_at_eof (void);
1457 int gfc_at_bol (void);
1458 int gfc_at_eol (void);
1459 void gfc_advance_line (void);
1460 int gfc_check_include (void);
1462 void gfc_skip_comments (void);
1463 int gfc_next_char_literal (int);
1464 int gfc_next_char (void);
1465 int gfc_peek_char (void);
1466 void gfc_error_recovery (void);
1467 void gfc_gobble_whitespace (void);
1468 try gfc_new_file (const char *, gfc_source_form);
1470 extern gfc_source_form gfc_current_form;
1471 extern char *gfc_source_file;
1472 extern locus gfc_current_locus;
1475 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1476 void gfc_free (void *);
1477 int gfc_terminal_width(void);
1478 void gfc_clear_ts (gfc_typespec *);
1479 FILE *gfc_open_file (const char *);
1480 const char *gfc_article (const char *);
1481 const char *gfc_basic_typename (bt);
1482 const char *gfc_typename (gfc_typespec *);
1484 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1485 "=" : gfc_code2string (intrinsic_operators, OP))
1487 const char *gfc_code2string (const mstring *, int);
1488 int gfc_string2code (const mstring *, const char *);
1489 const char *gfc_intent_string (sym_intent);
1491 void gfc_init_1 (void);
1492 void gfc_init_2 (void);
1493 void gfc_done_1 (void);
1494 void gfc_done_2 (void);
1497 unsigned int gfc_init_options (unsigned int, const char **);
1498 int gfc_handle_option (size_t, const char *, int);
1499 bool gfc_post_options (const char **);
1502 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1503 void gfc_iresolve_init_1 (void);
1504 void gfc_iresolve_done_1 (void);
1508 typedef struct gfc_error_buf
1511 char message[MAX_ERROR_MESSAGE];
1514 void gfc_error_init_1 (void);
1515 void gfc_buffer_error (int);
1517 void gfc_warning (const char *, ...);
1518 void gfc_warning_now (const char *, ...);
1519 void gfc_clear_warning (void);
1520 void gfc_warning_check (void);
1522 void gfc_error (const char *, ...);
1523 void gfc_error_now (const char *, ...);
1524 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1525 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1526 void gfc_clear_error (void);
1527 int gfc_error_check (void);
1529 try gfc_notify_std (int, const char *, ...);
1531 /* A general purpose syntax error. */
1532 #define gfc_syntax_error(ST) \
1533 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1535 void gfc_push_error (gfc_error_buf *);
1536 void gfc_pop_error (gfc_error_buf *);
1538 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1539 void gfc_status_char (char);
1541 void gfc_get_errors (int *, int *);
1544 void gfc_arith_init_1 (void);
1545 void gfc_arith_done_1 (void);
1548 int gfc_validate_kind (bt, int, bool);
1549 extern int gfc_index_integer_kind;
1550 extern int gfc_default_integer_kind;
1551 extern int gfc_default_real_kind;
1552 extern int gfc_default_double_kind;
1553 extern int gfc_default_character_kind;
1554 extern int gfc_default_logical_kind;
1555 extern int gfc_default_complex_kind;
1556 extern int gfc_c_int_kind;
1559 void gfc_clear_new_implicit (void);
1560 try gfc_add_new_implicit_range (int, int);
1561 try gfc_merge_new_implicit (gfc_typespec *);
1562 void gfc_set_implicit_none (void);
1564 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1565 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1567 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1568 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1570 void gfc_set_sym_referenced (gfc_symbol * sym);
1572 try gfc_add_allocatable (symbol_attribute *, locus *);
1573 try gfc_add_dimension (symbol_attribute *, locus *);
1574 try gfc_add_external (symbol_attribute *, locus *);
1575 try gfc_add_intrinsic (symbol_attribute *, locus *);
1576 try gfc_add_optional (symbol_attribute *, locus *);
1577 try gfc_add_pointer (symbol_attribute *, locus *);
1578 try gfc_add_result (symbol_attribute *, locus *);
1579 try gfc_add_save (symbol_attribute *, locus *);
1580 try gfc_add_saved_common (symbol_attribute *, locus *);
1581 try gfc_add_target (symbol_attribute *, locus *);
1582 try gfc_add_dummy (symbol_attribute *, locus *);
1583 try gfc_add_generic (symbol_attribute *, locus *);
1584 try gfc_add_common (symbol_attribute *, locus *);
1585 try gfc_add_in_common (symbol_attribute *, locus *);
1586 try gfc_add_data (symbol_attribute *, locus *);
1587 try gfc_add_in_namelist (symbol_attribute *, locus *);
1588 try gfc_add_sequence (symbol_attribute *, locus *);
1589 try gfc_add_elemental (symbol_attribute *, locus *);
1590 try gfc_add_pure (symbol_attribute *, locus *);
1591 try gfc_add_recursive (symbol_attribute *, locus *);
1592 try gfc_add_function (symbol_attribute *, locus *);
1593 try gfc_add_subroutine (symbol_attribute *, locus *);
1595 try gfc_add_access (symbol_attribute *, gfc_access, locus *);
1596 try gfc_add_flavor (symbol_attribute *, sym_flavor, locus *);
1597 try gfc_add_entry (symbol_attribute *, locus *);
1598 try gfc_add_procedure (symbol_attribute *, procedure_type, locus *);
1599 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1600 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1601 gfc_formal_arglist *, locus *);
1602 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1604 void gfc_clear_attr (symbol_attribute *);
1605 try gfc_missing_attr (symbol_attribute *, locus *);
1606 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1608 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1609 gfc_symbol *gfc_use_derived (gfc_symbol *);
1610 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1611 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1613 gfc_st_label *gfc_get_st_label (int);
1614 void gfc_free_st_label (gfc_st_label *);
1615 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1616 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1618 gfc_namespace *gfc_get_namespace (gfc_namespace *);
1619 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1620 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1621 gfc_user_op *gfc_get_uop (const char *);
1622 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1623 void gfc_free_symbol (gfc_symbol *);
1624 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1625 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1626 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1627 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1628 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1629 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1630 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1632 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1634 void gfc_undo_symbols (void);
1635 void gfc_commit_symbols (void);
1636 void gfc_free_namespace (gfc_namespace *);
1638 void gfc_symbol_init_2 (void);
1639 void gfc_symbol_done_2 (void);
1641 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1642 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1643 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1644 void gfc_save_all (gfc_namespace *);
1646 void gfc_symbol_state (void);
1648 gfc_gsymbol *gfc_get_gsymbol (char *);
1649 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, char *);
1652 extern int gfc_init_expr;
1654 /* Given a symbol that we have decided is intrinsic, mark it as such
1655 by placing it into a special module that is otherwise impossible to
1658 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1660 void gfc_intrinsic_init_1 (void);
1661 void gfc_intrinsic_done_1 (void);
1663 char gfc_type_letter (bt);
1664 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1665 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1666 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1667 int gfc_generic_intrinsic (const char *);
1668 int gfc_specific_intrinsic (const char *);
1669 int gfc_intrinsic_name (const char *, int);
1670 gfc_intrinsic_sym *gfc_find_function (const char *);
1672 match gfc_intrinsic_func_interface (gfc_expr *, int);
1673 match gfc_intrinsic_sub_interface (gfc_code *, int);
1676 void gfc_simplify_init_1 (void);
1678 /* match.c -- FIXME */
1679 void gfc_free_iterator (gfc_iterator *, int);
1680 void gfc_free_forall_iterator (gfc_forall_iterator *);
1681 void gfc_free_alloc_list (gfc_alloc *);
1682 void gfc_free_namelist (gfc_namelist *);
1683 void gfc_free_equiv (gfc_equiv *);
1684 void gfc_free_data (gfc_data *);
1685 void gfc_free_case_list (gfc_case *);
1688 void gfc_free_actual_arglist (gfc_actual_arglist *);
1689 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1690 const char *gfc_extract_int (gfc_expr *, int *);
1692 gfc_expr *gfc_build_conversion (gfc_expr *);
1693 void gfc_free_ref_list (gfc_ref *);
1694 void gfc_type_convert_binary (gfc_expr *);
1695 int gfc_is_constant_expr (gfc_expr *);
1696 try gfc_simplify_expr (gfc_expr *, int);
1698 gfc_expr *gfc_get_expr (void);
1699 void gfc_free_expr (gfc_expr *);
1700 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1701 gfc_expr *gfc_int_expr (int);
1702 gfc_expr *gfc_logical_expr (int, locus *);
1703 mpz_t *gfc_copy_shape (mpz_t *, int);
1704 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1705 gfc_expr *gfc_copy_expr (gfc_expr *);
1707 try gfc_specification_expr (gfc_expr *);
1709 int gfc_numeric_ts (gfc_typespec *);
1710 int gfc_kind_max (gfc_expr *, gfc_expr *);
1712 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1713 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1714 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1715 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1717 gfc_expr *gfc_default_initializer (gfc_typespec *);
1718 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1722 extern gfc_code new_st;
1724 void gfc_clear_new_st (void);
1725 gfc_code *gfc_get_code (void);
1726 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1727 void gfc_free_statement (gfc_code *);
1728 void gfc_free_statements (gfc_code *);
1731 try gfc_resolve_expr (gfc_expr *);
1732 void gfc_resolve (gfc_namespace *);
1733 int gfc_impure_variable (gfc_symbol *);
1734 int gfc_pure (gfc_symbol *);
1735 int gfc_elemental (gfc_symbol *);
1736 try gfc_resolve_iterator (gfc_iterator *);
1737 try gfc_resolve_index (gfc_expr *, int);
1740 void gfc_free_array_spec (gfc_array_spec *);
1741 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1743 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1744 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1745 try gfc_resolve_array_spec (gfc_array_spec *, int);
1747 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1749 gfc_expr *gfc_start_constructor (bt, int, locus *);
1750 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1751 void gfc_free_constructor (gfc_constructor *);
1752 void gfc_simplify_iterator_var (gfc_expr *);
1753 try gfc_expand_constructor (gfc_expr *);
1754 int gfc_constant_ac (gfc_expr *);
1755 int gfc_expanded_ac (gfc_expr *);
1756 try gfc_resolve_array_constructor (gfc_expr *);
1757 try gfc_check_constructor_type (gfc_expr *);
1758 try gfc_check_iter_variable (gfc_expr *);
1759 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1760 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1761 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1762 try gfc_array_size (gfc_expr *, mpz_t *);
1763 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1764 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1765 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1766 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1767 gfc_constructor *gfc_get_constructor (void);
1768 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1769 try spec_size (gfc_array_spec *, mpz_t *);
1770 int gfc_is_compile_time_shape (gfc_array_spec *);
1772 /* interface.c -- FIXME: some of these should be in symbol.c */
1773 void gfc_free_interface (gfc_interface *);
1774 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1775 void gfc_check_interfaces (gfc_namespace *);
1776 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1777 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1778 gfc_actual_arglist **);
1779 try gfc_extend_expr (gfc_expr *);
1780 void gfc_free_formal_arglist (gfc_formal_arglist *);
1781 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1782 try gfc_add_interface (gfc_symbol * sym);
1785 extern gfc_st_label format_asterisk;
1787 void gfc_free_open (gfc_open *);
1788 try gfc_resolve_open (gfc_open *);
1789 void gfc_free_close (gfc_close *);
1790 try gfc_resolve_close (gfc_close *);
1791 void gfc_free_filepos (gfc_filepos *);
1792 try gfc_resolve_filepos (gfc_filepos *);
1793 void gfc_free_inquire (gfc_inquire *);
1794 try gfc_resolve_inquire (gfc_inquire *);
1795 void gfc_free_dt (gfc_dt *);
1796 try gfc_resolve_dt (gfc_dt *);
1799 void gfc_module_init_2 (void);
1800 void gfc_module_done_2 (void);
1801 void gfc_dump_module (const char *, int);
1804 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1805 symbol_attribute gfc_expr_attr (gfc_expr *);
1808 void gfc_generate_code (gfc_namespace *);
1809 void gfc_generate_module_code (gfc_namespace *);
1812 typedef int (*compare_fn) (void *, void *);
1813 void gfc_insert_bbt (void *, void *, compare_fn);
1814 void gfc_delete_bbt (void *, void *, compare_fn);
1816 /* dump-parse-tree.c */
1817 void gfc_show_namespace (gfc_namespace *);
1820 try gfc_parse_file (void);
1822 #endif /* GCC_GFORTRAN_H */