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"
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__ */
57 #include <stdio.h> /* need FILE * here */
59 /* Major control parameters. */
61 #define GFC_MAX_SYMBOL_LEN 63
62 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
63 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
64 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
65 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
67 #define free(x) Use_gfc_free_instead_of_free()
68 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
71 #define NULL ((void *) 0)
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For a the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
85 /* Macro to initialize an mstring structure. */
86 #define minit(s, t) { s, NULL, t }
88 /* Structure for storing strings to be matched by gfc_match_string. */
98 /* Flags to specify which standardi/extension contains a feature. */
99 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
100 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
101 #define GFC_STD_F2003_DEL (1<<3) /* Deleted in F2003. */
102 #define GFC_STD_F2003_OBS (1<<2) /* Obsoleted in F2003. */
103 #define GFC_STD_F95_DEL (1<<1) /* Deleted in F95. */
104 #define GFC_STD_F95_OBS (1<<0) /* Obsoleted in F95. */
106 /*************************** Enums *****************************/
108 /* The author remains confused to this day about the convention of
109 returning '0' for 'SUCCESS'... or was it the other way around? The
110 following enum makes things much more readable. We also start
111 values off at one instead of zero. */
114 { SUCCESS = 1, FAILURE }
117 /* Matchers return one of these three values. The difference between
118 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
119 successful, but that something non-syntactic is wrong and an error
120 has already been issued. */
123 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
127 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
131 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
132 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE
136 /* Expression node types. */
138 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
139 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
145 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
146 AS_ASSUMED_SIZE, AS_UNKNOWN
151 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
154 /* Statement label types. */
156 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
157 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
161 /* Intrinsic operators. */
163 { GFC_INTRINSIC_BEGIN = 0,
164 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
165 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
166 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
167 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
168 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
169 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
171 GFC_INTRINSIC_END /* Sentinel */
176 /* Strings for all intrinsic operators. */
177 extern mstring intrinsic_operators[];
180 /* This macro is the number of intrinsic operators that exist.
181 Assumptions are made about the numbering of the interface_op enums. */
182 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
184 /* Arithmetic results. */
186 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
187 ARITH_DIV0, ARITH_0TO0, ARITH_INCOMMENSURATE
194 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
195 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
196 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
197 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
198 ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
199 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
200 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
201 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
202 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
203 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
204 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
206 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
207 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
208 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
213 /* Types of interfaces that we can have. Assignment interfaces are
214 considered to be intrinsic operators. */
217 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
218 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
222 /* Symbol flavors: these are all mutually exclusive.
223 10 elements = 4 bits. */
226 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
227 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
231 /* Procedure types. 7 elements = 3 bits. */
233 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
234 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
240 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
246 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE,
250 /* Flags to keep track of where an interface came from.
251 4 elements = 2 bits. */
253 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
257 /* Strings for all symbol attributes. We use these for dumping the
258 parse tree, in error messages, and also when reading and writing
259 modules. In symbol.c. */
260 extern const mstring flavors[];
261 extern const mstring procedures[];
262 extern const mstring intents[];
263 extern const mstring access_types[];
264 extern const mstring ifsrc_types[];
266 /* Enumeration of all the generic intrinsic functions. Used by the
267 backend for identification of a function. */
269 enum gfc_generic_isym_id
271 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
272 the backend (eg. KIND). */
299 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
307 GFC_ISYM_DOT_PRODUCT,
368 GFC_ISYM_SET_EXPONENT,
390 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
392 /************************* Structures *****************************/
394 /* Symbol attribute structure. */
397 /* Variable attributes. */
398 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
399 optional:1, pointer:1, save:1, target:1,
400 dummy:1, result:1, assign:1;
402 unsigned data:1, /* Symbol is named in a DATA statement. */
403 use_assoc:1; /* Symbol has been use-associated. */
405 unsigned in_namelist:1, in_common:1;
406 unsigned function:1, subroutine:1, generic:1;
407 unsigned implicit_type:1; /* Type defined via implicit rules */
409 /* Function/subroutine attributes */
410 unsigned sequence:1, elemental:1, pure:1, recursive:1;
411 unsigned unmaskable:1, masked:1, contained:1;
413 /* Set if this procedure is an alternate entry point. These procedures
414 don't have any code associated, and the backend will turn them into
415 thunks to the master function. */
417 /* Set if this is the master function for a procedure with multiple
419 unsigned entry_master:1;
421 /* Set if a function must always be referenced by an explicit interface. */
422 unsigned always_explicit:1;
424 /* Set if the symbol has been referenced in an expression. No further
425 modification of type or type parameters is permitted. */
426 unsigned referenced:1;
428 /* Mutually exclusive multibit attributes. */
434 procedure_type proc:3;
440 /* The following three structures are used to identify a location in
443 gfc_file is used to maintain a tree of the source files and how
444 they include each other
446 gfc_linebuf holds a single line of source code and information
447 which file it resides in
449 locus point to the sourceline and the character in the source
453 typedef struct gfc_file
455 struct gfc_file *included_by, *next, *up;
456 int inclusion_line, line;
460 typedef struct gfc_linebuf
463 struct gfc_file *file;
464 struct gfc_linebuf *next;
478 # include <sys/param.h>
479 # define PATH_MAX MAXPATHLEN
483 extern int gfc_suppress_error;
486 /* Character length structures hold the expression that gives the
487 length of a character variable. We avoid putting these into
488 gfc_typespec because doing so prevents us from doing structure
489 copies and forces us to deallocate any typespecs we create, as well
490 as structures that contain typespecs. They also can have multiple
491 character typespecs pointing to them.
493 These structures form a singly linked list within the current
494 namespace and are deallocated with the namespace. It is possible to
495 end up with gfc_charlen structures that have nothing pointing to them. */
497 typedef struct gfc_charlen
499 struct gfc_expr *length;
500 struct gfc_charlen *next;
505 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
507 /* Type specification structure. FIXME: derived and cl could be union??? */
512 struct gfc_symbol *derived;
513 gfc_charlen *cl; /* For character types only. */
517 /* Array specification. */
520 int rank; /* A rank of zero means that a variable is a scalar. */
522 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
526 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
529 /* Components of derived types. */
530 typedef struct gfc_component
532 char name[GFC_MAX_SYMBOL_LEN + 1];
535 int pointer, dimension;
540 struct gfc_expr *initializer;
541 struct gfc_component *next;
545 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
547 /* Formal argument lists are lists of symbols. */
548 typedef struct gfc_formal_arglist
550 /* Symbol representing the argument at this position in the arglist. */
551 struct gfc_symbol *sym;
552 /* Points to the next formal argument. */
553 struct gfc_formal_arglist *next;
557 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
560 /* The gfc_actual_arglist structure is for actual arguments. */
561 typedef struct gfc_actual_arglist
563 char name[GFC_MAX_SYMBOL_LEN + 1];
564 /* Alternate return label when the expr member is null. */
565 struct gfc_st_label *label;
567 /* This is set to the type of an eventual omitted optional
568 argument. This is used to determine if a hidden string length
569 argument has to be added to a function call. */
572 struct gfc_expr *expr;
573 struct gfc_actual_arglist *next;
577 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
580 /* Because a symbol can belong to multiple namelists, they must be
581 linked externally to the symbol itself. */
582 typedef struct gfc_namelist
584 struct gfc_symbol *sym;
585 struct gfc_namelist *next;
589 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
592 /* The gfc_st_label structure is a doubly linked list attached to a
593 namespace that records the usage of statement labels within that
595 /* TODO: Make format/statement specifics a union. */
596 typedef struct gfc_st_label
600 gfc_sl_type defined, referenced;
602 struct gfc_expr *format;
608 struct gfc_st_label *prev, *next;
613 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
614 typedef struct gfc_interface
616 struct gfc_symbol *sym;
618 struct gfc_interface *next;
622 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
625 /* User operator nodes. These are like stripped down symbols. */
628 char name[GFC_MAX_SYMBOL_LEN + 1];
630 gfc_interface *operator;
631 struct gfc_namespace *ns;
636 /* Symbol nodes. These are important things. They are what the
637 standard refers to as "entities". The possibly multiple names that
638 refer to the same entity are accomplished by a binary tree of
639 symtree structures that is balanced by the red-black method-- more
640 than one symtree node can point to any given symbol. */
642 typedef struct gfc_symbol
644 char name[GFC_MAX_SYMBOL_LEN + 1]; /* Primary name, before renaming */
645 char module[GFC_MAX_SYMBOL_LEN + 1]; /* Module this symbol came from */
649 symbol_attribute attr;
651 /* The interface member points to the formal argument list if the
652 symbol is a function or subroutine name. If the symbol is a
653 generic name, the generic member points to the list of
656 gfc_interface *generic;
657 gfc_access component_access;
659 gfc_formal_arglist *formal;
660 struct gfc_namespace *formal_ns;
662 struct gfc_expr *value; /* Parameter/Initializer value */
664 struct gfc_symbol *result; /* function result symbol */
665 gfc_component *components; /* Derived type components */
667 struct gfc_symbol *common_next; /* Links for COMMON syms */
668 /* Make sure setup code for dummy arguments is generated in the correct
672 gfc_namelist *namelist, *namelist_tail;
674 /* Change management fields. Symbols that might be modified by the
675 current statement have the mark member nonzero and are kept in a
676 singly linked list through the tlink field. Of these symbols,
677 symbols with old_symbol equal to NULL are symbols created within
678 the current statement. Otherwise, old_symbol points to a copy of
681 struct gfc_symbol *old_symbol, *tlink;
682 unsigned mark:1, new:1;
683 /* Nonzero if all equivalences associated with this symbol have been
685 unsigned equiv_built:1;
687 struct gfc_namespace *ns; /* namespace containing this symbol */
694 /* This structure is used to keep track of symbols in common blocks. */
699 int use_assoc, saved;
700 char name[GFC_MAX_SYMBOL_LEN + 1];
705 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
708 /* A list of all the alternate entry points for a procedure. */
710 typedef struct gfc_entry_list
712 /* The symbol for this entry point. */
714 /* The zero-based id of this entry point. */
716 /* The LABEL_EXPR marking this entry point. */
718 /* The nest item in the list. */
719 struct gfc_entry_list *next;
723 #define gfc_get_entry_list() \
724 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
726 /* Within a namespace, symbols are pointed to by symtree nodes that
727 are linked together in a balanced binary tree. There can be
728 several symtrees pointing to the same symbol node via USE
731 #define BBT_HEADER(self) int priority; struct self *left, *right
733 typedef struct gfc_symtree
735 BBT_HEADER (gfc_symtree);
736 char name[GFC_MAX_SYMBOL_LEN + 1];
740 gfc_symbol *sym; /* Symbol associated with this node */
742 gfc_common_head *common;
750 /* A namespace describes the contents of procedure, module or
752 /* ??? Anything else use these? */
754 typedef struct gfc_namespace
756 /* Tree containing all the symbols in this namespace. */
757 gfc_symtree *sym_root;
758 /* Tree containing all the user-defined operators in the namespace. */
759 gfc_symtree *uop_root;
760 /* Tree containing all the common blocks. */
761 gfc_symtree *common_root;
763 /* If set_flag[letter] is set, an implicit type has been set for letter. */
764 int set_flag[GFC_LETTERS];
765 /* Keeps track of the implicit types associated with the letters. */
766 gfc_typespec default_type[GFC_LETTERS];
768 /* If this is a namespace of a procedure, this points to the procedure. */
769 struct gfc_symbol *proc_name;
770 /* If this is the namespace of a unit which contains executable
771 code, this points to it. */
772 struct gfc_code *code;
774 /* Points to the equivalences set up in this namespace. */
775 struct gfc_equiv *equiv;
776 gfc_interface *operator[GFC_INTRINSIC_OPS];
778 /* Points to the parent namespace, i.e. the namespace of a module or
779 procedure in which the procedure belonging to this namespace is
780 contained. The parent namespace points to this namespace either
781 directly via CONTAINED, or indirectly via the chain built by
783 struct gfc_namespace *parent;
784 /* CONTAINED points to the first contained namespace. Sibling
785 namespaces are chained via SIBLING. */
786 struct gfc_namespace *contained, *sibling;
788 gfc_common_head blank_common;
789 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
791 gfc_st_label *st_labels;
792 /* This list holds information about all the data initializers in
794 struct gfc_data *data;
796 gfc_charlen *cl_list;
798 int save_all, seen_save;
800 /* Normally we don't need to refcount namespaces. However when we read
801 a module containing a function with multiple entry points, this
802 will appear as several functions with the same formal namespace. */
805 /* A list of all alternate entry points to this procedure (or NULL). */
806 gfc_entry_list *entries;
808 /* Set to 1 if namespace is a BLOCK DATA program unit. */
813 extern gfc_namespace *gfc_current_ns;
815 /* Global symbols are symbols of global scope. Currently we only use
816 this to detect collisions already when parsing.
817 TODO: Extend to verify procedure calls. */
819 typedef struct gfc_gsymbol
821 BBT_HEADER(gfc_gsymbol);
823 char name[GFC_MAX_SYMBOL_LEN+1];
824 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
825 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
832 extern gfc_gsymbol *gfc_gsym_root;
834 /* Information on interfaces being built. */
845 extern gfc_interface_info current_interface;
848 /* Array reference. */
849 typedef struct gfc_array_ref
852 int dimen; /* # of components in the reference */
856 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
857 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
858 *stride[GFC_MAX_DIMENSIONS];
861 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
862 dimen_type[GFC_MAX_DIMENSIONS];
864 struct gfc_expr *offset;
868 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
871 /* Component reference nodes. A variable is stored as an expression
872 node that points to the base symbol. After that, a singly linked
873 list of component reference nodes gives the variable's complete
874 resolution. The array_ref component may be present and comes
875 before the component component. */
878 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
881 typedef struct gfc_ref
887 struct gfc_array_ref ar;
891 gfc_component *component;
898 struct gfc_expr *start, *end; /* Substring */
906 struct gfc_ref *next;
910 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
913 /* Structures representing intrinsic symbols and their arguments lists. */
914 typedef struct gfc_intrinsic_arg
916 char name[GFC_MAX_SYMBOL_LEN + 1];
920 gfc_actual_arglist *actual;
922 struct gfc_intrinsic_arg *next;
928 /* Specifies the various kinds of check functions used to verify the
929 argument lists of intrinsic functions. fX with X an integer refer
930 to check functions of intrinsics with X arguments. f1m is used for
931 the MAX and MIN intrinsics which can have an arbitrary number of
932 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
933 these have special semantics. */
938 try (*f1)(struct gfc_expr *);
939 try (*f1m)(gfc_actual_arglist *);
940 try (*f2)(struct gfc_expr *, struct gfc_expr *);
941 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
942 try (*f3ml)(gfc_actual_arglist *);
943 try (*f3red)(gfc_actual_arglist *);
944 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
946 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
947 struct gfc_expr *, struct gfc_expr *);
951 /* Like gfc_check_f, these specify the type of the simplification
952 function associated with an intrinsic. The fX are just like in
953 gfc_check_f. cc is used for type conversion functions. */
957 struct gfc_expr *(*f0)(void);
958 struct gfc_expr *(*f1)(struct gfc_expr *);
959 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
960 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
962 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
963 struct gfc_expr *, struct gfc_expr *);
964 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
965 struct gfc_expr *, struct gfc_expr *,
967 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
971 /* Again like gfc_check_f, these specify the type of the resolution
972 function associated with an intrinsic. The fX are juse like in
973 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
978 void (*f0)(struct gfc_expr *);
979 void (*f1)(struct gfc_expr *, struct gfc_expr *);
980 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
981 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
982 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
984 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
985 struct gfc_expr *, struct gfc_expr *);
986 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
987 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
988 void (*s1)(struct gfc_code *);
993 typedef struct gfc_intrinsic_sym
995 char name[GFC_MAX_SYMBOL_LEN + 1], lib_name[GFC_MAX_SYMBOL_LEN + 1];
996 gfc_intrinsic_arg *formal;
998 int elemental, pure, generic, specific, actual_ok;
1000 gfc_simplify_f simplify;
1002 gfc_resolve_f resolve;
1003 struct gfc_intrinsic_sym *specific_head, *next;
1004 gfc_generic_isym_id generic_id;
1010 /* Expression nodes. The expression node types deserve explanations,
1011 since the last couple can be easily misconstrued:
1013 EXPR_OP Operator node pointing to one or two other nodes
1014 EXPR_FUNCTION Function call, symbol points to function's name
1015 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1016 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1017 which expresses structure, array and substring refs.
1018 EXPR_NULL The NULL pointer value (which also has a basic type).
1019 EXPR_SUBSTRING A substring of a constant string
1020 EXPR_STRUCTURE A structure constructor
1021 EXPR_ARRAY An array constructor. */
1025 #define GFC_RND_MODE GMP_RNDN
1027 typedef struct gfc_expr
1031 gfc_typespec ts; /* These two refer to the overall expression */
1034 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1036 gfc_intrinsic_op operator;
1038 /* Nonnull for functions and structure constructors */
1039 gfc_symtree *symtree;
1044 struct gfc_expr *op1, *op2;
1062 gfc_actual_arglist *actual;
1063 char *name; /* Points to the ultimate name of the function */
1064 gfc_intrinsic_sym *isym;
1076 struct gfc_constructor *constructor;
1084 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1086 /* Structures for information associated with different kinds of
1087 numbers. The first set of integer parameters define all there is
1088 to know about a particular kind. The rest of the elements are
1089 computed from the first elements. */
1093 int kind, radix, digits, bit_size;
1098 mpz_t min_int, max_int; /* Values really representable by the target */
1102 extern gfc_integer_info gfc_integer_kinds[];
1112 extern gfc_logical_info gfc_logical_kinds[];
1117 int kind, radix, digits, min_exponent, max_exponent;
1119 int range, precision;
1120 mpfr_t epsilon, huge, tiny;
1124 extern gfc_real_info gfc_real_kinds[];
1127 /* Equivalence structures. Equivalent lvalues are linked along the
1128 *eq pointer, equivalence sets are strung along the *next node. */
1129 typedef struct gfc_equiv
1131 struct gfc_equiv *next, *eq;
1137 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1140 /* gfc_case stores the selector list of a case statement. The *low
1141 and *high pointers can point to the same expression in the case of
1142 a single value. If *high is NULL, the selection is from *low
1143 upwards, if *low is NULL the selection is *high downwards.
1145 This structure has separate fields to allow singe and double linked
1146 lists of CASEs the same time. The singe linked list along the NEXT
1147 field is a list of cases for a single CASE label. The double linked
1148 list along the LEFT/RIGHT fields is used to detect overlap and to
1149 build a table of the cases for SELECT constructs with a CHARACTER
1152 typedef struct gfc_case
1154 /* Where we saw this case. */
1158 /* Case range values. If (low == high), it's a single value. If one of
1159 the labels is NULL, it's an unbounded case. If both are NULL, this
1160 represents the default case. */
1161 gfc_expr *low, *high;
1163 /* Next case label in the list of cases for a single CASE label. */
1164 struct gfc_case *next;
1166 /* Used for detecting overlap, and for code generation. */
1167 struct gfc_case *left, *right;
1169 /* True if this case label can never be matched. */
1174 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1179 gfc_expr *var, *start, *end, *step;
1183 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1186 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1188 typedef struct gfc_alloc
1191 struct gfc_alloc *next;
1195 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1200 gfc_expr *unit, *file, *status, *access, *form, *recl,
1201 *blank, *position, *action, *delim, *pad, *iostat;
1209 gfc_expr *unit, *status, *iostat;
1217 gfc_expr *unit, *iostat;
1225 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1226 *name, *access, *sequential, *direct, *form, *formatted,
1227 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1228 *write, *readwrite, *delim, *pad, *iolength;
1238 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1240 gfc_symbol *namelist;
1241 /* A format_label of `format_asterisk' indicates the "*" format */
1242 gfc_st_label *format_label;
1243 gfc_st_label *err, *end, *eor;
1245 locus eor_where, end_where;
1250 typedef struct gfc_forall_iterator
1252 gfc_expr *var, *start, *end, *stride;
1253 struct gfc_forall_iterator *next;
1255 gfc_forall_iterator;
1258 /* Executable statements that fill gfc_code structures. */
1261 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1262 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1263 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1264 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1265 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1266 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1267 EXEC_OPEN, EXEC_CLOSE,
1268 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1269 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1273 typedef struct gfc_code
1277 struct gfc_code *block, *next;
1280 gfc_st_label *here, *label, *label2, *label3;
1281 gfc_symtree *symtree;
1282 gfc_expr *expr, *expr2;
1283 /* A name isn't sufficient to identify a subroutine, we need the actual
1284 symbol for the interface definition.
1285 const char *sub_name; */
1286 gfc_symbol *resolved_sym;
1290 gfc_actual_arglist *actual;
1291 gfc_case *case_list;
1292 gfc_iterator *iterator;
1293 gfc_alloc *alloc_list;
1296 gfc_filepos *filepos;
1297 gfc_inquire *inquire;
1299 gfc_forall_iterator *forall_iterator;
1300 struct gfc_code *whichloop;
1302 gfc_entry_list *entry;
1304 ext; /* Points to additional structures required by statement */
1306 /* Backend_decl is used for cycle and break labels in do loops, and
1307 * probably for other constructs as well, once we translate them. */
1313 /* Storage for DATA statements. */
1314 typedef struct gfc_data_variable
1318 struct gfc_data_variable *list, *next;
1323 typedef struct gfc_data_value
1325 unsigned int repeat;
1327 struct gfc_data_value *next;
1332 typedef struct gfc_data
1334 gfc_data_variable *var;
1335 gfc_data_value *value;
1338 struct gfc_data *next;
1342 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1343 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1344 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1347 /* Structure for holding compile options */
1352 gfc_source_form source_form;
1353 int fixed_line_length;
1354 int max_identifier_length;
1358 int warn_conversion;
1359 int warn_implicit_interface;
1360 int warn_line_truncation;
1362 int warn_surprising;
1363 int warn_unused_labels;
1366 int flag_underscoring;
1367 int flag_second_underscore;
1368 int flag_implicit_none;
1369 int flag_max_stack_var_size;
1370 int flag_module_access_private;
1371 int flag_no_backend;
1372 int flag_pack_derived;
1373 int flag_repack_arrays;
1384 extern gfc_option_t gfc_option;
1387 /* Constructor nodes for array and structure constructors. */
1388 typedef struct gfc_constructor
1391 gfc_iterator *iterator;
1393 struct gfc_constructor *next;
1396 mpz_t offset; /* Record the offset of array element which appears in
1397 data statement like "data a(5)/4/". */
1398 gfc_component *component; /* Record the component being initialized. */
1401 mpz_t repeat; /* Record the repeat number of initial values in data
1402 statement like "data a/5*10/". */
1407 typedef struct iterator_stack
1409 gfc_symtree *variable;
1411 struct iterator_stack *prev;
1414 extern iterator_stack *iter_stack;
1416 /************************ Function prototypes *************************/
1419 void gfc_formalize_init_value (gfc_symbol *);
1420 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1421 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1422 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1423 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1426 void gfc_scanner_done_1 (void);
1427 void gfc_scanner_init_1 (void);
1429 void gfc_add_include_path (const char *);
1430 void gfc_release_include_path (void);
1431 FILE *gfc_open_included_file (const char *);
1433 int gfc_at_end (void);
1434 int gfc_at_eof (void);
1435 int gfc_at_bol (void);
1436 int gfc_at_eol (void);
1437 void gfc_advance_line (void);
1438 int gfc_check_include (void);
1440 void gfc_skip_comments (void);
1441 int gfc_next_char_literal (int);
1442 int gfc_next_char (void);
1443 int gfc_peek_char (void);
1444 void gfc_error_recovery (void);
1445 void gfc_gobble_whitespace (void);
1446 try gfc_new_file (const char *, gfc_source_form);
1448 extern gfc_source_form gfc_current_form;
1449 extern char *gfc_source_file;
1450 extern locus gfc_current_locus;
1453 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1454 void gfc_free (void *);
1455 int gfc_terminal_width(void);
1456 void gfc_clear_ts (gfc_typespec *);
1457 FILE *gfc_open_file (const char *);
1458 const char *gfc_article (const char *);
1459 const char *gfc_basic_typename (bt);
1460 const char *gfc_typename (gfc_typespec *);
1462 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1463 "=" : gfc_code2string (intrinsic_operators, OP))
1465 const char *gfc_code2string (const mstring *, int);
1466 int gfc_string2code (const mstring *, const char *);
1467 const char *gfc_intent_string (sym_intent);
1469 void gfc_init_1 (void);
1470 void gfc_init_2 (void);
1471 void gfc_done_1 (void);
1472 void gfc_done_2 (void);
1475 unsigned int gfc_init_options (unsigned int, const char **);
1476 int gfc_handle_option (size_t, const char *, int);
1477 bool gfc_post_options (const char **);
1480 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1481 void gfc_iresolve_init_1 (void);
1482 void gfc_iresolve_done_1 (void);
1486 typedef struct gfc_error_buf
1489 char message[MAX_ERROR_MESSAGE];
1492 void gfc_error_init_1 (void);
1493 void gfc_buffer_error (int);
1495 void gfc_warning (const char *, ...);
1496 void gfc_warning_now (const char *, ...);
1497 void gfc_clear_warning (void);
1498 void gfc_warning_check (void);
1500 void gfc_error (const char *, ...);
1501 void gfc_error_now (const char *, ...);
1502 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1503 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1504 void gfc_clear_error (void);
1505 int gfc_error_check (void);
1507 try gfc_notify_std (int, const char *, ...);
1509 /* A general purpose syntax error. */
1510 #define gfc_syntax_error(ST) \
1511 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1513 void gfc_push_error (gfc_error_buf *);
1514 void gfc_pop_error (gfc_error_buf *);
1516 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1517 void gfc_status_char (char);
1519 void gfc_get_errors (int *, int *);
1522 void gfc_arith_init_1 (void);
1523 void gfc_arith_done_1 (void);
1526 int gfc_validate_kind (bt, int, bool);
1527 extern int gfc_index_integer_kind;
1528 extern int gfc_default_integer_kind;
1529 extern int gfc_default_real_kind;
1530 extern int gfc_default_double_kind;
1531 extern int gfc_default_character_kind;
1532 extern int gfc_default_logical_kind;
1533 extern int gfc_default_complex_kind;
1534 extern int gfc_c_int_kind;
1537 void gfc_clear_new_implicit (void);
1538 try gfc_add_new_implicit_range (int, int);
1539 try gfc_merge_new_implicit (gfc_typespec *);
1540 void gfc_set_implicit_none (void);
1542 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1543 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1545 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1546 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1548 void gfc_set_sym_referenced (gfc_symbol * sym);
1550 try gfc_add_allocatable (symbol_attribute *, locus *);
1551 try gfc_add_dimension (symbol_attribute *, locus *);
1552 try gfc_add_external (symbol_attribute *, locus *);
1553 try gfc_add_intrinsic (symbol_attribute *, locus *);
1554 try gfc_add_optional (symbol_attribute *, locus *);
1555 try gfc_add_pointer (symbol_attribute *, locus *);
1556 try gfc_add_result (symbol_attribute *, locus *);
1557 try gfc_add_save (symbol_attribute *, locus *);
1558 try gfc_add_saved_common (symbol_attribute *, locus *);
1559 try gfc_add_target (symbol_attribute *, locus *);
1560 try gfc_add_dummy (symbol_attribute *, locus *);
1561 try gfc_add_generic (symbol_attribute *, locus *);
1562 try gfc_add_common (symbol_attribute *, locus *);
1563 try gfc_add_in_common (symbol_attribute *, locus *);
1564 try gfc_add_data (symbol_attribute *, locus *);
1565 try gfc_add_in_namelist (symbol_attribute *, locus *);
1566 try gfc_add_sequence (symbol_attribute *, locus *);
1567 try gfc_add_elemental (symbol_attribute *, locus *);
1568 try gfc_add_pure (symbol_attribute *, locus *);
1569 try gfc_add_recursive (symbol_attribute *, locus *);
1570 try gfc_add_function (symbol_attribute *, locus *);
1571 try gfc_add_subroutine (symbol_attribute *, locus *);
1573 try gfc_add_access (symbol_attribute *, gfc_access, locus *);
1574 try gfc_add_flavor (symbol_attribute *, sym_flavor, locus *);
1575 try gfc_add_entry (symbol_attribute *, locus *);
1576 try gfc_add_procedure (symbol_attribute *, procedure_type, locus *);
1577 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1578 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1579 gfc_formal_arglist *, locus *);
1580 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1582 void gfc_clear_attr (symbol_attribute *);
1583 try gfc_missing_attr (symbol_attribute *, locus *);
1584 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1586 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1587 gfc_symbol *gfc_use_derived (gfc_symbol *);
1588 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1589 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1591 gfc_st_label *gfc_get_st_label (int);
1592 void gfc_free_st_label (gfc_st_label *);
1593 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1594 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1596 gfc_namespace *gfc_get_namespace (gfc_namespace *);
1597 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1598 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1599 gfc_user_op *gfc_get_uop (const char *);
1600 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1601 void gfc_free_symbol (gfc_symbol *);
1602 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1603 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1604 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1605 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1606 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1607 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1608 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1610 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1612 void gfc_undo_symbols (void);
1613 void gfc_commit_symbols (void);
1614 void gfc_free_namespace (gfc_namespace *);
1616 void gfc_symbol_init_2 (void);
1617 void gfc_symbol_done_2 (void);
1619 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1620 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1621 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1622 void gfc_save_all (gfc_namespace *);
1624 void gfc_symbol_state (void);
1626 gfc_gsymbol *gfc_get_gsymbol (char *);
1627 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, char *);
1630 extern int gfc_init_expr;
1632 /* Given a symbol that we have decided is intrinsic, mark it as such
1633 by placing it into a special module that is otherwise impossible to
1636 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1638 void gfc_intrinsic_init_1 (void);
1639 void gfc_intrinsic_done_1 (void);
1641 char gfc_type_letter (bt);
1642 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1643 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1644 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1645 int gfc_generic_intrinsic (const char *);
1646 int gfc_specific_intrinsic (const char *);
1647 int gfc_intrinsic_name (const char *, int);
1648 gfc_intrinsic_sym *gfc_find_function (const char *);
1650 match gfc_intrinsic_func_interface (gfc_expr *, int);
1651 match gfc_intrinsic_sub_interface (gfc_code *, int);
1654 void gfc_simplify_init_1 (void);
1656 /* match.c -- FIXME */
1657 void gfc_free_iterator (gfc_iterator *, int);
1658 void gfc_free_forall_iterator (gfc_forall_iterator *);
1659 void gfc_free_alloc_list (gfc_alloc *);
1660 void gfc_free_namelist (gfc_namelist *);
1661 void gfc_free_equiv (gfc_equiv *);
1662 void gfc_free_data (gfc_data *);
1663 void gfc_free_case_list (gfc_case *);
1666 void gfc_free_actual_arglist (gfc_actual_arglist *);
1667 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1668 const char *gfc_extract_int (gfc_expr *, int *);
1670 gfc_expr *gfc_build_conversion (gfc_expr *);
1671 void gfc_free_ref_list (gfc_ref *);
1672 void gfc_type_convert_binary (gfc_expr *);
1673 int gfc_is_constant_expr (gfc_expr *);
1674 try gfc_simplify_expr (gfc_expr *, int);
1676 gfc_expr *gfc_get_expr (void);
1677 void gfc_free_expr (gfc_expr *);
1678 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1679 gfc_expr *gfc_int_expr (int);
1680 gfc_expr *gfc_logical_expr (int, locus *);
1681 mpz_t *gfc_copy_shape (mpz_t *, int);
1682 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1683 gfc_expr *gfc_copy_expr (gfc_expr *);
1685 try gfc_specification_expr (gfc_expr *);
1687 int gfc_numeric_ts (gfc_typespec *);
1688 int gfc_kind_max (gfc_expr *, gfc_expr *);
1690 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1691 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1692 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1693 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1695 gfc_expr *gfc_default_initializer (gfc_typespec *);
1696 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1700 extern gfc_code new_st;
1702 void gfc_clear_new_st (void);
1703 gfc_code *gfc_get_code (void);
1704 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1705 void gfc_free_statement (gfc_code *);
1706 void gfc_free_statements (gfc_code *);
1709 try gfc_resolve_expr (gfc_expr *);
1710 void gfc_resolve (gfc_namespace *);
1711 int gfc_impure_variable (gfc_symbol *);
1712 int gfc_pure (gfc_symbol *);
1713 int gfc_elemental (gfc_symbol *);
1714 try gfc_resolve_iterator (gfc_iterator *);
1715 try gfc_resolve_index (gfc_expr *, int);
1718 void gfc_free_array_spec (gfc_array_spec *);
1719 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1721 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1722 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1723 try gfc_resolve_array_spec (gfc_array_spec *, int);
1725 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1727 gfc_expr *gfc_start_constructor (bt, int, locus *);
1728 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1729 void gfc_free_constructor (gfc_constructor *);
1730 void gfc_simplify_iterator_var (gfc_expr *);
1731 try gfc_expand_constructor (gfc_expr *);
1732 int gfc_constant_ac (gfc_expr *);
1733 int gfc_expanded_ac (gfc_expr *);
1734 try gfc_resolve_array_constructor (gfc_expr *);
1735 try gfc_check_constructor_type (gfc_expr *);
1736 try gfc_check_iter_variable (gfc_expr *);
1737 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1738 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1739 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1740 try gfc_array_size (gfc_expr *, mpz_t *);
1741 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1742 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1743 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1744 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1745 gfc_constructor *gfc_get_constructor (void);
1746 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1747 try spec_size (gfc_array_spec *, mpz_t *);
1748 int gfc_is_compile_time_shape (gfc_array_spec *);
1750 /* interface.c -- FIXME: some of these should be in symbol.c */
1751 void gfc_free_interface (gfc_interface *);
1752 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1753 void gfc_check_interfaces (gfc_namespace *);
1754 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1755 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1756 gfc_actual_arglist **);
1757 try gfc_extend_expr (gfc_expr *);
1758 void gfc_free_formal_arglist (gfc_formal_arglist *);
1759 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1760 try gfc_add_interface (gfc_symbol * sym);
1763 extern gfc_st_label format_asterisk;
1765 void gfc_free_open (gfc_open *);
1766 try gfc_resolve_open (gfc_open *);
1767 void gfc_free_close (gfc_close *);
1768 try gfc_resolve_close (gfc_close *);
1769 void gfc_free_filepos (gfc_filepos *);
1770 try gfc_resolve_filepos (gfc_filepos *);
1771 void gfc_free_inquire (gfc_inquire *);
1772 try gfc_resolve_inquire (gfc_inquire *);
1773 void gfc_free_dt (gfc_dt *);
1774 try gfc_resolve_dt (gfc_dt *);
1777 void gfc_module_init_2 (void);
1778 void gfc_module_done_2 (void);
1779 void gfc_dump_module (const char *, int);
1782 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1783 symbol_attribute gfc_expr_attr (gfc_expr *);
1786 void gfc_generate_code (gfc_namespace *);
1787 void gfc_generate_module_code (gfc_namespace *);
1790 typedef int (*compare_fn) (void *, void *);
1791 void gfc_insert_bbt (void *, void *, compare_fn);
1792 void gfc_delete_bbt (void *, void *, compare_fn);
1794 /* dump-parse-tree.c */
1795 void gfc_show_namespace (gfc_namespace *);
1798 try gfc_parse_file (void);
1800 #endif /* GCC_GFORTRAN_H */