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). */
293 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
301 GFC_ISYM_DOT_PRODUCT,
357 GFC_ISYM_SET_EXPONENT,
379 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
381 /************************* Structures *****************************/
383 /* Symbol attribute structure. */
386 /* Variable attributes. */
387 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
388 optional:1, pointer:1, save:1, target:1,
389 dummy:1, result:1, assign:1;
391 unsigned data:1, /* Symbol is named in a DATA statement. */
392 use_assoc:1; /* Symbol has been use-associated. */
394 unsigned in_namelist:1, in_common:1;
395 unsigned function:1, subroutine:1, generic:1;
396 unsigned implicit_type:1; /* Type defined via implicit rules */
398 /* Function/subroutine attributes */
399 unsigned sequence:1, elemental:1, pure:1, recursive:1;
400 unsigned unmaskable:1, masked:1, contained:1;
402 /* Set if this procedure is an alternate entry point. These procedures
403 don't have any code associated, and the backend will turn them into
404 thunks to the master function. */
406 /* Set if this is the master function for a procedure with multiple
408 unsigned entry_master:1;
410 /* Set if a function must always be referenced by an explicit interface. */
411 unsigned always_explicit:1;
413 /* Set if the symbol has been referenced in an expression. No further
414 modification of type or type parameters is permitted. */
415 unsigned referenced:1;
417 /* Mutually exclusive multibit attributes. */
423 procedure_type proc:3;
429 /* The following three structures are used to identify a location in
432 gfc_file is used to maintain a tree of the source files and how
433 they include each other
435 gfc_linebuf holds a single line of source code and information
436 which file it resides in
438 locus point to the sourceline and the character in the source
442 typedef struct gfc_file
444 struct gfc_file *included_by, *next, *up;
445 int inclusion_line, line;
449 typedef struct gfc_linebuf
452 struct gfc_file *file;
453 struct gfc_linebuf *next;
467 # include <sys/param.h>
468 # define PATH_MAX MAXPATHLEN
472 extern int gfc_suppress_error;
475 /* Character length structures hold the expression that gives the
476 length of a character variable. We avoid putting these into
477 gfc_typespec because doing so prevents us from doing structure
478 copies and forces us to deallocate any typespecs we create, as well
479 as structures that contain typespecs. They also can have multiple
480 character typespecs pointing to them.
482 These structures form a singly linked list within the current
483 namespace and are deallocated with the namespace. It is possible to
484 end up with gfc_charlen structures that have nothing pointing to them. */
486 typedef struct gfc_charlen
488 struct gfc_expr *length;
489 struct gfc_charlen *next;
494 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
496 /* Type specification structure. FIXME: derived and cl could be union??? */
501 struct gfc_symbol *derived;
502 gfc_charlen *cl; /* For character types only. */
506 /* Array specification. */
509 int rank; /* A rank of zero means that a variable is a scalar. */
511 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
515 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
518 /* Components of derived types. */
519 typedef struct gfc_component
521 char name[GFC_MAX_SYMBOL_LEN + 1];
524 int pointer, dimension;
529 struct gfc_expr *initializer;
530 struct gfc_component *next;
534 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
536 /* Formal argument lists are lists of symbols. */
537 typedef struct gfc_formal_arglist
539 /* Symbol representing the argument at this position in the arglist. */
540 struct gfc_symbol *sym;
541 /* Points to the next formal argument. */
542 struct gfc_formal_arglist *next;
546 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
549 /* The gfc_actual_arglist structure is for actual arguments. */
550 typedef struct gfc_actual_arglist
552 char name[GFC_MAX_SYMBOL_LEN + 1];
553 /* Alternate return label when the expr member is null. */
554 struct gfc_st_label *label;
556 /* This is set to the type of an eventual omitted optional
557 argument. This is used to determine if a hidden string length
558 argument has to be added to a function call. */
561 struct gfc_expr *expr;
562 struct gfc_actual_arglist *next;
566 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
569 /* Because a symbol can belong to multiple namelists, they must be
570 linked externally to the symbol itself. */
571 typedef struct gfc_namelist
573 struct gfc_symbol *sym;
574 struct gfc_namelist *next;
578 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
581 /* The gfc_st_label structure is a doubly linked list attached to a
582 namespace that records the usage of statement labels within that
584 /* TODO: Make format/statement specifics a union. */
585 typedef struct gfc_st_label
589 gfc_sl_type defined, referenced;
591 struct gfc_expr *format;
597 struct gfc_st_label *prev, *next;
602 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
603 typedef struct gfc_interface
605 struct gfc_symbol *sym;
607 struct gfc_interface *next;
611 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
614 /* User operator nodes. These are like stripped down symbols. */
617 char name[GFC_MAX_SYMBOL_LEN + 1];
619 gfc_interface *operator;
620 struct gfc_namespace *ns;
625 /* Symbol nodes. These are important things. They are what the
626 standard refers to as "entities". The possibly multiple names that
627 refer to the same entity are accomplished by a binary tree of
628 symtree structures that is balanced by the red-black method-- more
629 than one symtree node can point to any given symbol. */
631 typedef struct gfc_symbol
633 char name[GFC_MAX_SYMBOL_LEN + 1]; /* Primary name, before renaming */
634 char module[GFC_MAX_SYMBOL_LEN + 1]; /* Module this symbol came from */
638 symbol_attribute attr;
640 /* The interface member points to the formal argument list if the
641 symbol is a function or subroutine name. If the symbol is a
642 generic name, the generic member points to the list of
645 gfc_interface *generic;
646 gfc_access component_access;
648 gfc_formal_arglist *formal;
649 struct gfc_namespace *formal_ns;
651 struct gfc_expr *value; /* Parameter/Initializer value */
653 struct gfc_symbol *result; /* function result symbol */
654 gfc_component *components; /* Derived type components */
656 struct gfc_symbol *common_next; /* Links for COMMON syms */
657 /* Make sure setup code for dummy arguments is generated in the correct
661 gfc_namelist *namelist, *namelist_tail;
663 /* Change management fields. Symbols that might be modified by the
664 current statement have the mark member nonzero and are kept in a
665 singly linked list through the tlink field. Of these symbols,
666 symbols with old_symbol equal to NULL are symbols created within
667 the current statement. Otherwise, old_symbol points to a copy of
670 struct gfc_symbol *old_symbol, *tlink;
671 unsigned mark:1, new:1;
672 /* Nonzero if all equivalences associated with this symbol have been
674 unsigned equiv_built:1;
676 struct gfc_namespace *ns; /* namespace containing this symbol */
683 /* This structure is used to keep track of symbols in common blocks. */
688 int use_assoc, saved;
689 char name[GFC_MAX_SYMBOL_LEN + 1];
694 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
697 /* A list of all the alternate entry points for a procedure. */
699 typedef struct gfc_entry_list
701 /* The symbol for this entry point. */
703 /* The zero-based id of this entry point. */
705 /* The LABEL_EXPR marking this entry point. */
707 /* The nest item in the list. */
708 struct gfc_entry_list *next;
712 #define gfc_get_entry_list() \
713 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
715 /* Within a namespace, symbols are pointed to by symtree nodes that
716 are linked together in a balanced binary tree. There can be
717 several symtrees pointing to the same symbol node via USE
720 #define BBT_HEADER(self) int priority; struct self *left, *right
722 typedef struct gfc_symtree
724 BBT_HEADER (gfc_symtree);
725 char name[GFC_MAX_SYMBOL_LEN + 1];
729 gfc_symbol *sym; /* Symbol associated with this node */
731 gfc_common_head *common;
739 /* A namespace describes the contents of procedure, module or
741 /* ??? Anything else use these? */
743 typedef struct gfc_namespace
745 /* Tree containing all the symbols in this namespace. */
746 gfc_symtree *sym_root;
747 /* Tree containing all the user-defined operators in the namespace. */
748 gfc_symtree *uop_root;
749 /* Tree containing all the common blocks. */
750 gfc_symtree *common_root;
752 /* If set_flag[letter] is set, an implicit type has been set for letter. */
753 int set_flag[GFC_LETTERS];
754 /* Keeps track of the implicit types associated with the letters. */
755 gfc_typespec default_type[GFC_LETTERS];
757 /* If this is a namespace of a procedure, this points to the procedure. */
758 struct gfc_symbol *proc_name;
759 /* If this is the namespace of a unit which contains executable
760 code, this points to it. */
761 struct gfc_code *code;
763 /* Points to the equivalences set up in this namespace. */
764 struct gfc_equiv *equiv;
765 gfc_interface *operator[GFC_INTRINSIC_OPS];
767 /* Points to the parent namespace, i.e. the namespace of a module or
768 procedure in which the procedure belonging to this namespace is
769 contained. The parent namespace points to this namespace either
770 directly via CONTAINED, or indirectly via the chain built by
772 struct gfc_namespace *parent;
773 /* CONTAINED points to the first contained namespace. Sibling
774 namespaces are chained via SIBLING. */
775 struct gfc_namespace *contained, *sibling;
777 gfc_common_head blank_common;
778 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
780 gfc_st_label *st_labels;
781 struct gfc_data *data;
783 gfc_charlen *cl_list;
785 int save_all, seen_save;
787 /* Normally we don't need to refcount namespaces. However when we read
788 a module containing a function with multiple entry points, this
789 will appear as several functions with the same formal namespace. */
792 /* A list of all alternate entry points to this procedure (or NULL). */
793 gfc_entry_list *entries;
797 extern gfc_namespace *gfc_current_ns;
799 /* Global symbols are symbols of global scope. Currently we only use
800 this to detect collisions already when parsing.
801 TODO: Extend to verify procedure calls. */
803 typedef struct gfc_gsymbol
805 BBT_HEADER(gfc_gsymbol);
807 char name[GFC_MAX_SYMBOL_LEN+1];
808 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
809 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
816 extern gfc_gsymbol *gfc_gsym_root;
818 /* Information on interfaces being built. */
829 extern gfc_interface_info current_interface;
832 /* Array reference. */
833 typedef struct gfc_array_ref
836 int dimen; /* # of components in the reference */
840 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
841 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
842 *stride[GFC_MAX_DIMENSIONS];
845 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
846 dimen_type[GFC_MAX_DIMENSIONS];
848 struct gfc_expr *offset;
852 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
855 /* Component reference nodes. A variable is stored as an expression
856 node that points to the base symbol. After that, a singly linked
857 list of component reference nodes gives the variable's complete
858 resolution. The array_ref component may be present and comes
859 before the component component. */
862 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
865 typedef struct gfc_ref
871 struct gfc_array_ref ar;
875 gfc_component *component;
882 struct gfc_expr *start, *end; /* Substring */
890 struct gfc_ref *next;
894 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
897 /* Structures representing intrinsic symbols and their arguments lists. */
898 typedef struct gfc_intrinsic_arg
900 char name[GFC_MAX_SYMBOL_LEN + 1];
904 gfc_actual_arglist *actual;
906 struct gfc_intrinsic_arg *next;
912 /* Specifies the various kinds of check functions used to verify the
913 argument lists of intrinsic functions. fX with X an integer refer
914 to check functions of intrinsics with X arguments. f1m is used for
915 the MAX and MIN intrinsics which can have an arbitrary number of
916 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
917 these have special semantics. */
921 try (*f1)(struct gfc_expr *);
922 try (*f1m)(gfc_actual_arglist *);
923 try (*f2)(struct gfc_expr *, struct gfc_expr *);
924 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
925 try (*f3ml)(gfc_actual_arglist *);
926 try (*f3red)(gfc_actual_arglist *);
927 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
929 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
930 struct gfc_expr *, struct gfc_expr *);
934 /* Like gfc_check_f, these specify the type of the simplification
935 function associated with an intrinsic. The fX are just like in
936 gfc_check_f. cc is used for type conversion functions. */
940 struct gfc_expr *(*f1)(struct gfc_expr *);
941 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
942 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
944 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
945 struct gfc_expr *, struct gfc_expr *);
946 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
947 struct gfc_expr *, struct gfc_expr *,
949 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
953 /* Again like gfc_check_f, these specify the type of the resolution
954 function associated with an intrinsic. The fX are juse like in
955 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
960 void (*f0)(struct gfc_expr *);
961 void (*f1)(struct gfc_expr *, struct gfc_expr *);
962 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
963 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
964 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
966 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
967 struct gfc_expr *, struct gfc_expr *);
968 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
969 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
970 void (*s1)(struct gfc_code *);
975 typedef struct gfc_intrinsic_sym
977 char name[GFC_MAX_SYMBOL_LEN + 1], lib_name[GFC_MAX_SYMBOL_LEN + 1];
978 gfc_intrinsic_arg *formal;
980 int elemental, pure, generic, specific, actual_ok;
982 gfc_simplify_f simplify;
984 gfc_resolve_f resolve;
985 struct gfc_intrinsic_sym *specific_head, *next;
986 gfc_generic_isym_id generic_id;
992 /* Expression nodes. The expression node types deserve explanations,
993 since the last couple can be easily misconstrued:
995 EXPR_OP Operator node pointing to one or two other nodes
996 EXPR_FUNCTION Function call, symbol points to function's name
997 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
998 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
999 which expresses structure, array and substring refs.
1000 EXPR_NULL The NULL pointer value (which also has a basic type).
1001 EXPR_SUBSTRING A substring of a constant string
1002 EXPR_STRUCTURE A structure constructor
1003 EXPR_ARRAY An array constructor. */
1007 #define GFC_RND_MODE GMP_RNDN
1009 typedef struct gfc_expr
1013 gfc_typespec ts; /* These two refer to the overall expression */
1016 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1018 gfc_intrinsic_op operator;
1020 /* Nonnull for functions and structure constructors */
1021 gfc_symtree *symtree;
1026 struct gfc_expr *op1, *op2;
1044 gfc_actual_arglist *actual;
1045 char *name; /* Points to the ultimate name of the function */
1046 gfc_intrinsic_sym *isym;
1058 struct gfc_constructor *constructor;
1066 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1068 /* Structures for information associated with different kinds of
1069 numbers. The first set of integer parameters define all there is
1070 to know about a particular kind. The rest of the elements are
1071 computed from the first elements. */
1075 int kind, radix, digits, bit_size;
1080 mpz_t min_int, max_int; /* Values really representable by the target */
1084 extern gfc_integer_info gfc_integer_kinds[];
1094 extern gfc_logical_info gfc_logical_kinds[];
1099 int kind, radix, digits, min_exponent, max_exponent;
1101 int range, precision;
1102 mpfr_t epsilon, huge, tiny;
1106 extern gfc_real_info gfc_real_kinds[];
1109 /* Equivalence structures. Equivalent lvalues are linked along the
1110 *eq pointer, equivalence sets are strung along the *next node. */
1111 typedef struct gfc_equiv
1113 struct gfc_equiv *next, *eq;
1119 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1122 /* gfc_case stores the selector list of a case statement. The *low
1123 and *high pointers can point to the same expression in the case of
1124 a single value. If *high is NULL, the selection is from *low
1125 upwards, if *low is NULL the selection is *high downwards.
1127 This structure has separate fields to allow singe and double linked
1128 lists of CASEs the same time. The singe linked list along the NEXT
1129 field is a list of cases for a single CASE label. The double linked
1130 list along the LEFT/RIGHT fields is used to detect overlap and to
1131 build a table of the cases for SELECT constructs with a CHARACTER
1134 typedef struct gfc_case
1136 /* Where we saw this case. */
1140 /* Case range values. If (low == high), it's a single value. If one of
1141 the labels is NULL, it's an unbounded case. If both are NULL, this
1142 represents the default case. */
1143 gfc_expr *low, *high;
1145 /* Next case label in the list of cases for a single CASE label. */
1146 struct gfc_case *next;
1148 /* Used for detecting overlap, and for code generation. */
1149 struct gfc_case *left, *right;
1151 /* True if this case label can never be matched. */
1156 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1161 gfc_expr *var, *start, *end, *step;
1165 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1168 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1170 typedef struct gfc_alloc
1173 struct gfc_alloc *next;
1177 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1182 gfc_expr *unit, *file, *status, *access, *form, *recl,
1183 *blank, *position, *action, *delim, *pad, *iostat;
1191 gfc_expr *unit, *status, *iostat;
1199 gfc_expr *unit, *iostat;
1207 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1208 *name, *access, *sequential, *direct, *form, *formatted,
1209 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1210 *write, *readwrite, *delim, *pad, *iolength;
1220 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1222 gfc_symbol *namelist;
1223 /* A format_label of `format_asterisk' indicates the "*" format */
1224 gfc_st_label *format_label;
1225 gfc_st_label *err, *end, *eor;
1227 locus eor_where, end_where;
1232 typedef struct gfc_forall_iterator
1234 gfc_expr *var, *start, *end, *stride;
1235 struct gfc_forall_iterator *next;
1237 gfc_forall_iterator;
1240 /* Executable statements that fill gfc_code structures. */
1243 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1244 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1245 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1246 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1247 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1248 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1249 EXEC_OPEN, EXEC_CLOSE,
1250 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1251 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1255 typedef struct gfc_code
1259 struct gfc_code *block, *next;
1262 gfc_st_label *here, *label, *label2, *label3;
1263 gfc_symtree *symtree;
1264 gfc_expr *expr, *expr2;
1265 /* A name isn't sufficient to identify a subroutine, we need the actual
1266 symbol for the interface definition.
1267 const char *sub_name; */
1268 gfc_symbol *resolved_sym;
1272 gfc_actual_arglist *actual;
1273 gfc_case *case_list;
1274 gfc_iterator *iterator;
1275 gfc_alloc *alloc_list;
1278 gfc_filepos *filepos;
1279 gfc_inquire *inquire;
1281 gfc_forall_iterator *forall_iterator;
1282 struct gfc_code *whichloop;
1284 gfc_entry_list *entry;
1286 ext; /* Points to additional structures required by statement */
1288 /* Backend_decl is used for cycle and break labels in do loops, and
1289 * probably for other constructs as well, once we translate them. */
1295 /* Storage for DATA statements. */
1296 typedef struct gfc_data_variable
1300 struct gfc_data_variable *list, *next;
1305 typedef struct gfc_data_value
1307 unsigned int repeat;
1309 struct gfc_data_value *next;
1314 typedef struct gfc_data
1316 gfc_data_variable *var;
1317 gfc_data_value *value;
1320 struct gfc_data *next;
1324 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1325 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1326 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1329 /* Structure for holding compile options */
1334 gfc_source_form source_form;
1335 int fixed_line_length;
1336 int max_identifier_length;
1340 int warn_conversion;
1341 int warn_implicit_interface;
1342 int warn_line_truncation;
1344 int warn_surprising;
1345 int warn_unused_labels;
1348 int flag_underscoring;
1349 int flag_second_underscore;
1350 int flag_implicit_none;
1351 int flag_max_stack_var_size;
1352 int flag_module_access_private;
1353 int flag_no_backend;
1354 int flag_pack_derived;
1355 int flag_repack_arrays;
1366 extern gfc_option_t gfc_option;
1369 /* Constructor nodes for array and structure constructors. */
1370 typedef struct gfc_constructor
1373 gfc_iterator *iterator;
1375 struct gfc_constructor *next;
1378 mpz_t offset; /* Record the offset of array element which appears in
1379 data statement like "data a(5)/4/". */
1380 gfc_component *component; /* Record the component being initialized. */
1383 mpz_t repeat; /* Record the repeat number of initial values in data
1384 statement like "data a/5*10/". */
1389 typedef struct iterator_stack
1391 gfc_symtree *variable;
1393 struct iterator_stack *prev;
1396 extern iterator_stack *iter_stack;
1398 /************************ Function prototypes *************************/
1401 void gfc_formalize_init_value (gfc_symbol *);
1402 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1403 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1404 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1405 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1408 void gfc_scanner_done_1 (void);
1409 void gfc_scanner_init_1 (void);
1411 void gfc_add_include_path (const char *);
1412 void gfc_release_include_path (void);
1413 FILE *gfc_open_included_file (const char *);
1415 int gfc_at_end (void);
1416 int gfc_at_eof (void);
1417 int gfc_at_bol (void);
1418 int gfc_at_eol (void);
1419 void gfc_advance_line (void);
1420 int gfc_check_include (void);
1422 void gfc_skip_comments (void);
1423 int gfc_next_char_literal (int);
1424 int gfc_next_char (void);
1425 int gfc_peek_char (void);
1426 void gfc_error_recovery (void);
1427 void gfc_gobble_whitespace (void);
1428 try gfc_new_file (const char *, gfc_source_form);
1430 extern gfc_source_form gfc_current_form;
1431 extern char *gfc_source_file;
1432 extern locus gfc_current_locus;
1435 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1436 void gfc_free (void *);
1437 int gfc_terminal_width(void);
1438 void gfc_clear_ts (gfc_typespec *);
1439 FILE *gfc_open_file (const char *);
1440 const char *gfc_article (const char *);
1441 const char *gfc_basic_typename (bt);
1442 const char *gfc_typename (gfc_typespec *);
1444 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1445 "=" : gfc_code2string (intrinsic_operators, OP))
1447 const char *gfc_code2string (const mstring *, int);
1448 int gfc_string2code (const mstring *, const char *);
1449 const char *gfc_intent_string (sym_intent);
1451 void gfc_init_1 (void);
1452 void gfc_init_2 (void);
1453 void gfc_done_1 (void);
1454 void gfc_done_2 (void);
1457 unsigned int gfc_init_options (unsigned int, const char **);
1458 int gfc_handle_option (size_t, const char *, int);
1459 bool gfc_post_options (const char **);
1462 char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1463 void gfc_iresolve_init_1 (void);
1464 void gfc_iresolve_done_1 (void);
1468 typedef struct gfc_error_buf
1471 char message[MAX_ERROR_MESSAGE];
1474 void gfc_error_init_1 (void);
1475 void gfc_buffer_error (int);
1477 void gfc_warning (const char *, ...);
1478 void gfc_warning_now (const char *, ...);
1479 void gfc_clear_warning (void);
1480 void gfc_warning_check (void);
1482 void gfc_error (const char *, ...);
1483 void gfc_error_now (const char *, ...);
1484 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1485 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1486 void gfc_clear_error (void);
1487 int gfc_error_check (void);
1489 try gfc_notify_std (int, const char *, ...);
1491 /* A general purpose syntax error. */
1492 #define gfc_syntax_error(ST) \
1493 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1495 void gfc_push_error (gfc_error_buf *);
1496 void gfc_pop_error (gfc_error_buf *);
1498 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1499 void gfc_status_char (char);
1501 void gfc_get_errors (int *, int *);
1504 void gfc_arith_init_1 (void);
1505 void gfc_arith_done_1 (void);
1508 /* FIXME: These should go to symbol.c, really... */
1509 int gfc_default_integer_kind (void);
1510 int gfc_default_real_kind (void);
1511 int gfc_default_double_kind (void);
1512 int gfc_default_character_kind (void);
1513 int gfc_default_logical_kind (void);
1514 int gfc_default_complex_kind (void);
1515 int gfc_validate_kind (bt, int, bool);
1516 extern int gfc_index_integer_kind;
1519 void gfc_clear_new_implicit (void);
1520 try gfc_add_new_implicit_range (int, int);
1521 try gfc_merge_new_implicit (gfc_typespec *);
1522 void gfc_set_implicit_none (void);
1524 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1525 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1527 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1528 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1530 void gfc_set_sym_referenced (gfc_symbol * sym);
1532 try gfc_add_allocatable (symbol_attribute *, locus *);
1533 try gfc_add_dimension (symbol_attribute *, locus *);
1534 try gfc_add_external (symbol_attribute *, locus *);
1535 try gfc_add_intrinsic (symbol_attribute *, locus *);
1536 try gfc_add_optional (symbol_attribute *, locus *);
1537 try gfc_add_pointer (symbol_attribute *, locus *);
1538 try gfc_add_result (symbol_attribute *, locus *);
1539 try gfc_add_save (symbol_attribute *, locus *);
1540 try gfc_add_saved_common (symbol_attribute *, locus *);
1541 try gfc_add_target (symbol_attribute *, locus *);
1542 try gfc_add_dummy (symbol_attribute *, locus *);
1543 try gfc_add_generic (symbol_attribute *, locus *);
1544 try gfc_add_common (symbol_attribute *, locus *);
1545 try gfc_add_in_common (symbol_attribute *, locus *);
1546 try gfc_add_data (symbol_attribute *, locus *);
1547 try gfc_add_in_namelist (symbol_attribute *, locus *);
1548 try gfc_add_sequence (symbol_attribute *, locus *);
1549 try gfc_add_elemental (symbol_attribute *, locus *);
1550 try gfc_add_pure (symbol_attribute *, locus *);
1551 try gfc_add_recursive (symbol_attribute *, locus *);
1552 try gfc_add_function (symbol_attribute *, locus *);
1553 try gfc_add_subroutine (symbol_attribute *, locus *);
1555 try gfc_add_access (symbol_attribute *, gfc_access, locus *);
1556 try gfc_add_flavor (symbol_attribute *, sym_flavor, locus *);
1557 try gfc_add_entry (symbol_attribute *, locus *);
1558 try gfc_add_procedure (symbol_attribute *, procedure_type, locus *);
1559 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1560 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1561 gfc_formal_arglist *, locus *);
1562 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1564 void gfc_clear_attr (symbol_attribute *);
1565 try gfc_missing_attr (symbol_attribute *, locus *);
1566 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1568 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1569 gfc_symbol *gfc_use_derived (gfc_symbol *);
1570 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1571 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1573 gfc_st_label *gfc_get_st_label (int);
1574 void gfc_free_st_label (gfc_st_label *);
1575 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1576 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1578 gfc_namespace *gfc_get_namespace (gfc_namespace *);
1579 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1580 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1581 gfc_user_op *gfc_get_uop (const char *);
1582 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1583 void gfc_free_symbol (gfc_symbol *);
1584 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1585 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1586 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1587 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1588 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1589 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1590 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1592 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1594 void gfc_undo_symbols (void);
1595 void gfc_commit_symbols (void);
1596 void gfc_free_namespace (gfc_namespace *);
1598 void gfc_symbol_init_2 (void);
1599 void gfc_symbol_done_2 (void);
1601 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1602 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1603 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1604 void gfc_save_all (gfc_namespace *);
1606 void gfc_symbol_state (void);
1608 gfc_gsymbol *gfc_get_gsymbol (char *);
1609 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, char *);
1612 extern int gfc_init_expr;
1614 /* Given a symbol that we have decided is intrinsic, mark it as such
1615 by placing it into a special module that is otherwise impossible to
1618 #define gfc_intrinsic_symbol(SYM) strcpy (SYM->module, "(intrinsic)")
1620 void gfc_intrinsic_init_1 (void);
1621 void gfc_intrinsic_done_1 (void);
1623 char gfc_type_letter (bt);
1624 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1625 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1626 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1627 int gfc_generic_intrinsic (const char *);
1628 int gfc_specific_intrinsic (const char *);
1629 int gfc_intrinsic_name (const char *, int);
1630 gfc_intrinsic_sym *gfc_find_function (const char *);
1632 match gfc_intrinsic_func_interface (gfc_expr *, int);
1633 match gfc_intrinsic_sub_interface (gfc_code *, int);
1636 void gfc_simplify_init_1 (void);
1638 /* match.c -- FIXME */
1639 void gfc_free_iterator (gfc_iterator *, int);
1640 void gfc_free_forall_iterator (gfc_forall_iterator *);
1641 void gfc_free_alloc_list (gfc_alloc *);
1642 void gfc_free_namelist (gfc_namelist *);
1643 void gfc_free_equiv (gfc_equiv *);
1644 void gfc_free_data (gfc_data *);
1645 void gfc_free_case_list (gfc_case *);
1648 void gfc_free_actual_arglist (gfc_actual_arglist *);
1649 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1650 const char *gfc_extract_int (gfc_expr *, int *);
1652 gfc_expr *gfc_build_conversion (gfc_expr *);
1653 void gfc_free_ref_list (gfc_ref *);
1654 void gfc_type_convert_binary (gfc_expr *);
1655 int gfc_is_constant_expr (gfc_expr *);
1656 try gfc_simplify_expr (gfc_expr *, int);
1658 gfc_expr *gfc_get_expr (void);
1659 void gfc_free_expr (gfc_expr *);
1660 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1661 gfc_expr *gfc_int_expr (int);
1662 gfc_expr *gfc_logical_expr (int, locus *);
1663 mpz_t *gfc_copy_shape (mpz_t *, int);
1664 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1665 gfc_expr *gfc_copy_expr (gfc_expr *);
1667 try gfc_specification_expr (gfc_expr *);
1669 int gfc_numeric_ts (gfc_typespec *);
1670 int gfc_kind_max (gfc_expr *, gfc_expr *);
1672 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1673 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1674 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1675 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1677 gfc_expr *gfc_default_initializer (gfc_typespec *);
1680 extern gfc_code new_st;
1682 void gfc_clear_new_st (void);
1683 gfc_code *gfc_get_code (void);
1684 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1685 void gfc_free_statement (gfc_code *);
1686 void gfc_free_statements (gfc_code *);
1689 try gfc_resolve_expr (gfc_expr *);
1690 void gfc_resolve (gfc_namespace *);
1691 int gfc_impure_variable (gfc_symbol *);
1692 int gfc_pure (gfc_symbol *);
1693 int gfc_elemental (gfc_symbol *);
1694 try gfc_resolve_iterator (gfc_iterator *);
1695 try gfc_resolve_index (gfc_expr *, int);
1698 void gfc_free_array_spec (gfc_array_spec *);
1699 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1701 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1702 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1703 try gfc_resolve_array_spec (gfc_array_spec *, int);
1705 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1707 gfc_expr *gfc_start_constructor (bt, int, locus *);
1708 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1709 void gfc_free_constructor (gfc_constructor *);
1710 void gfc_simplify_iterator_var (gfc_expr *);
1711 try gfc_expand_constructor (gfc_expr *);
1712 int gfc_constant_ac (gfc_expr *);
1713 int gfc_expanded_ac (gfc_expr *);
1714 try gfc_resolve_array_constructor (gfc_expr *);
1715 try gfc_check_constructor_type (gfc_expr *);
1716 try gfc_check_iter_variable (gfc_expr *);
1717 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1718 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1719 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1720 try gfc_array_size (gfc_expr *, mpz_t *);
1721 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1722 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1723 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1724 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1725 gfc_constructor *gfc_get_constructor (void);
1726 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1727 try spec_size (gfc_array_spec *, mpz_t *);
1728 int gfc_is_compile_time_shape (gfc_array_spec *);
1730 /* interface.c -- FIXME: some of these should be in symbol.c */
1731 void gfc_free_interface (gfc_interface *);
1732 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1733 void gfc_check_interfaces (gfc_namespace *);
1734 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1735 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1736 gfc_actual_arglist **);
1737 try gfc_extend_expr (gfc_expr *);
1738 void gfc_free_formal_arglist (gfc_formal_arglist *);
1739 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1740 try gfc_add_interface (gfc_symbol * sym);
1743 extern gfc_st_label format_asterisk;
1745 void gfc_free_open (gfc_open *);
1746 try gfc_resolve_open (gfc_open *);
1747 void gfc_free_close (gfc_close *);
1748 try gfc_resolve_close (gfc_close *);
1749 void gfc_free_filepos (gfc_filepos *);
1750 try gfc_resolve_filepos (gfc_filepos *);
1751 void gfc_free_inquire (gfc_inquire *);
1752 try gfc_resolve_inquire (gfc_inquire *);
1753 void gfc_free_dt (gfc_dt *);
1754 try gfc_resolve_dt (gfc_dt *);
1757 void gfc_module_init_2 (void);
1758 void gfc_module_done_2 (void);
1759 void gfc_dump_module (const char *, int);
1762 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1763 symbol_attribute gfc_expr_attr (gfc_expr *);
1766 void gfc_generate_code (gfc_namespace *);
1767 void gfc_generate_module_code (gfc_namespace *);
1770 typedef int (*compare_fn) (void *, void *);
1771 void gfc_insert_bbt (void *, void *, compare_fn);
1772 void gfc_delete_bbt (void *, void *, compare_fn);
1774 /* dump-parse-tree.c */
1775 void gfc_show_namespace (gfc_namespace *);
1778 try gfc_parse_file (void);
1780 #endif /* GCC_GFORTRAN_H */