1 /* gfortran header file
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
4 Contributed by Andy Vaught
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the Free
20 Software Foundation, 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. */
33 #include "coretypes.h"
36 /* The following ifdefs are recommended by the autoconf documentation
37 for any code using alloca. */
39 /* AIX requires this to be the first thing in the file. */
41 #else /* not __GNUC__ */
44 #else /* do not HAVE_ALLOCA_H */
48 #ifndef alloca /* predefined by HP cc +Olibcalls */
50 #endif /* not predefined */
52 #endif /* do not HAVE_ALLOCA_H */
53 #endif /* not __GNUC__ */
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63
58 #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */
59 #define GFC_MAX_DIMENSIONS 7 /* Maximum dimensions in an array. */
60 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
61 #define MAX_ERROR_MESSAGE 1000 /* Maximum length of an error message. */
63 #define free(x) Use_gfc_free_instead_of_free()
64 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
67 #define NULL ((void *) 0)
71 #define stringize(x) expand_macro(x)
72 #define expand_macro(x) # x
74 /* For a the runtime library, a standard prefix is a requirement to
75 avoid cluttering the namespace with things nobody asked for. It's
76 ugly to look at and a pain to type when you add the prefix by hand,
77 so we hide it behind a macro. */
78 #define PREFIX(x) "_gfortran_" x
81 /* Macro to initialize an mstring structure. */
82 #define minit(s, t) { s, NULL, t }
84 /* Structure for storing strings to be matched by gfc_match_string. */
94 /* Flags to specify which standard/extension contains a feature. */
95 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
96 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
97 /* Note that no features were obsoleted nor deleted in F2003. */
98 #define GFC_STD_F95 (1<<3) /* New in F95. */
99 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
100 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
101 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
103 /*************************** Enums *****************************/
105 /* The author remains confused to this day about the convention of
106 returning '0' for 'SUCCESS'... or was it the other way around? The
107 following enum makes things much more readable. We also start
108 values off at one instead of zero. */
111 { SUCCESS = 1, FAILURE }
114 /* Matchers return one of these three values. The difference between
115 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
116 successful, but that something non-syntactic is wrong and an error
117 has already been issued. */
120 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
124 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
128 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
129 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE
133 /* Expression node types. */
135 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
136 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
142 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
143 AS_ASSUMED_SIZE, AS_UNKNOWN
148 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
151 /* Statement label types. */
153 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
154 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
158 /* Intrinsic operators. */
160 { GFC_INTRINSIC_BEGIN = 0,
161 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
162 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
163 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
164 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
165 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
166 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
168 GFC_INTRINSIC_END /* Sentinel */
173 /* Strings for all intrinsic operators. */
174 extern mstring intrinsic_operators[];
177 /* This macro is the number of intrinsic operators that exist.
178 Assumptions are made about the numbering of the interface_op enums. */
179 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
181 /* Arithmetic results. */
183 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
184 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
191 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
192 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
193 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
194 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
195 ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
196 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
197 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
198 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
199 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
200 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
201 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
203 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
204 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
205 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
210 /* Types of interfaces that we can have. Assignment interfaces are
211 considered to be intrinsic operators. */
214 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
215 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
219 /* Symbol flavors: these are all mutually exclusive.
220 10 elements = 4 bits. */
221 typedef enum sym_flavor
223 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
224 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
228 /* Procedure types. 7 elements = 3 bits. */
229 typedef enum procedure_type
230 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
231 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
236 typedef enum sym_intent
237 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
242 typedef enum gfc_access
243 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
247 /* Flags to keep track of where an interface came from.
248 4 elements = 2 bits. */
250 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
254 /* Strings for all symbol attributes. We use these for dumping the
255 parse tree, in error messages, and also when reading and writing
256 modules. In symbol.c. */
257 extern const mstring flavors[];
258 extern const mstring procedures[];
259 extern const mstring intents[];
260 extern const mstring access_types[];
261 extern const mstring ifsrc_types[];
263 /* Enumeration of all the generic intrinsic functions. Used by the
264 backend for identification of a function. */
266 enum gfc_generic_isym_id
268 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
269 the backend (eg. KIND). */
297 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
305 GFC_ISYM_DOT_PRODUCT,
374 GFC_ISYM_SET_EXPONENT,
403 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
405 /************************* Structures *****************************/
407 /* Symbol attribute structure. */
410 /* Variable attributes. */
411 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
412 optional:1, pointer:1, save:1, target:1,
413 dummy:1, result:1, assign:1;
415 unsigned data:1, /* Symbol is named in a DATA statement. */
416 use_assoc:1; /* Symbol has been use-associated. */
418 unsigned in_namelist:1, in_common:1;
419 unsigned function:1, subroutine:1, generic:1;
420 unsigned implicit_type:1; /* Type defined via implicit rules. */
421 unsigned untyped:1; /* No implicit type could be found. */
423 /* Function/subroutine attributes */
424 unsigned sequence:1, elemental:1, pure:1, recursive:1;
425 unsigned unmaskable:1, masked:1, contained:1;
427 /* Set if this procedure is an alternate entry point. These procedures
428 don't have any code associated, and the backend will turn them into
429 thunks to the master function. */
431 /* Set if this is the master function for a procedure with multiple
433 unsigned entry_master:1;
435 /* Set if a function must always be referenced by an explicit interface. */
436 unsigned always_explicit:1;
438 /* Set if the symbol has been referenced in an expression. No further
439 modification of type or type parameters is permitted. */
440 unsigned referenced:1;
442 /* Mutually exclusive multibit attributes. */
443 ENUM_BITFIELD (gfc_access) access:2;
444 ENUM_BITFIELD (sym_intent) intent:2;
445 ENUM_BITFIELD (sym_flavor) flavor:4;
446 ENUM_BITFIELD (ifsrc) if_source:2;
448 ENUM_BITFIELD (procedure_type) proc:3;
454 /* The following three structures are used to identify a location in
457 gfc_file is used to maintain a tree of the source files and how
458 they include each other
460 gfc_linebuf holds a single line of source code and information
461 which file it resides in
463 locus point to the sourceline and the character in the source
467 typedef struct gfc_file
469 struct gfc_file *included_by, *next, *up;
470 int inclusion_line, line;
474 typedef struct gfc_linebuf
476 #ifdef USE_MAPPED_LOCATION
477 source_location location;
481 struct gfc_file *file;
482 struct gfc_linebuf *next;
489 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
500 # include <sys/param.h>
501 # define PATH_MAX MAXPATHLEN
505 extern int gfc_suppress_error;
508 /* Character length structures hold the expression that gives the
509 length of a character variable. We avoid putting these into
510 gfc_typespec because doing so prevents us from doing structure
511 copies and forces us to deallocate any typespecs we create, as well
512 as structures that contain typespecs. They also can have multiple
513 character typespecs pointing to them.
515 These structures form a singly linked list within the current
516 namespace and are deallocated with the namespace. It is possible to
517 end up with gfc_charlen structures that have nothing pointing to them. */
519 typedef struct gfc_charlen
521 struct gfc_expr *length;
522 struct gfc_charlen *next;
527 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
529 /* Type specification structure. FIXME: derived and cl could be union??? */
534 struct gfc_symbol *derived;
535 gfc_charlen *cl; /* For character types only. */
539 /* Array specification. */
542 int rank; /* A rank of zero means that a variable is a scalar. */
544 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
548 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
551 /* Components of derived types. */
552 typedef struct gfc_component
557 int pointer, dimension;
562 struct gfc_expr *initializer;
563 struct gfc_component *next;
567 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
569 /* Formal argument lists are lists of symbols. */
570 typedef struct gfc_formal_arglist
572 /* Symbol representing the argument at this position in the arglist. */
573 struct gfc_symbol *sym;
574 /* Points to the next formal argument. */
575 struct gfc_formal_arglist *next;
579 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
582 /* The gfc_actual_arglist structure is for actual arguments. */
583 typedef struct gfc_actual_arglist
586 /* Alternate return label when the expr member is null. */
587 struct gfc_st_label *label;
589 /* This is set to the type of an eventual omitted optional
590 argument. This is used to determine if a hidden string length
591 argument has to be added to a function call. */
594 struct gfc_expr *expr;
595 struct gfc_actual_arglist *next;
599 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
602 /* Because a symbol can belong to multiple namelists, they must be
603 linked externally to the symbol itself. */
604 typedef struct gfc_namelist
606 struct gfc_symbol *sym;
607 struct gfc_namelist *next;
611 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
614 /* The gfc_st_label structure is a doubly linked list attached to a
615 namespace that records the usage of statement labels within that
617 /* TODO: Make format/statement specifics a union. */
618 typedef struct gfc_st_label
622 gfc_sl_type defined, referenced;
624 struct gfc_expr *format;
630 struct gfc_st_label *prev, *next;
635 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
636 typedef struct gfc_interface
638 struct gfc_symbol *sym;
640 struct gfc_interface *next;
644 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
647 /* User operator nodes. These are like stripped down symbols. */
652 gfc_interface *operator;
653 struct gfc_namespace *ns;
658 /* Symbol nodes. These are important things. They are what the
659 standard refers to as "entities". The possibly multiple names that
660 refer to the same entity are accomplished by a binary tree of
661 symtree structures that is balanced by the red-black method-- more
662 than one symtree node can point to any given symbol. */
664 typedef struct gfc_symbol
666 const char *name; /* Primary name, before renaming */
667 const char *module; /* Module this symbol came from */
671 symbol_attribute attr;
673 /* The interface member points to the formal argument list if the
674 symbol is a function or subroutine name. If the symbol is a
675 generic name, the generic member points to the list of
678 gfc_interface *generic;
679 gfc_access component_access;
681 gfc_formal_arglist *formal;
682 struct gfc_namespace *formal_ns;
684 struct gfc_expr *value; /* Parameter/Initializer value */
686 struct gfc_symbol *result; /* function result symbol */
687 gfc_component *components; /* Derived type components */
689 struct gfc_symbol *common_next; /* Links for COMMON syms */
690 /* Make sure setup code for dummy arguments is generated in the correct
694 gfc_namelist *namelist, *namelist_tail;
696 /* Change management fields. Symbols that might be modified by the
697 current statement have the mark member nonzero and are kept in a
698 singly linked list through the tlink field. Of these symbols,
699 symbols with old_symbol equal to NULL are symbols created within
700 the current statement. Otherwise, old_symbol points to a copy of
703 struct gfc_symbol *old_symbol, *tlink;
704 unsigned mark:1, new:1;
705 /* Nonzero if all equivalences associated with this symbol have been
707 unsigned equiv_built:1;
709 struct gfc_namespace *ns; /* namespace containing this symbol */
716 /* This structure is used to keep track of symbols in common blocks. */
721 int use_assoc, saved;
722 char name[GFC_MAX_SYMBOL_LEN + 1];
727 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
730 /* A list of all the alternate entry points for a procedure. */
732 typedef struct gfc_entry_list
734 /* The symbol for this entry point. */
736 /* The zero-based id of this entry point. */
738 /* The LABEL_EXPR marking this entry point. */
740 /* The nest item in the list. */
741 struct gfc_entry_list *next;
745 #define gfc_get_entry_list() \
746 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
748 /* Within a namespace, symbols are pointed to by symtree nodes that
749 are linked together in a balanced binary tree. There can be
750 several symtrees pointing to the same symbol node via USE
753 #define BBT_HEADER(self) int priority; struct self *left, *right
755 typedef struct gfc_symtree
757 BBT_HEADER (gfc_symtree);
762 gfc_symbol *sym; /* Symbol associated with this node */
764 gfc_common_head *common;
772 /* A namespace describes the contents of procedure, module or
774 /* ??? Anything else use these? */
776 typedef struct gfc_namespace
778 /* Tree containing all the symbols in this namespace. */
779 gfc_symtree *sym_root;
780 /* Tree containing all the user-defined operators in the namespace. */
781 gfc_symtree *uop_root;
782 /* Tree containing all the common blocks. */
783 gfc_symtree *common_root;
785 /* If set_flag[letter] is set, an implicit type has been set for letter. */
786 int set_flag[GFC_LETTERS];
787 /* Keeps track of the implicit types associated with the letters. */
788 gfc_typespec default_type[GFC_LETTERS];
790 /* If this is a namespace of a procedure, this points to the procedure. */
791 struct gfc_symbol *proc_name;
792 /* If this is the namespace of a unit which contains executable
793 code, this points to it. */
794 struct gfc_code *code;
796 /* Points to the equivalences set up in this namespace. */
797 struct gfc_equiv *equiv;
798 gfc_interface *operator[GFC_INTRINSIC_OPS];
800 /* Points to the parent namespace, i.e. the namespace of a module or
801 procedure in which the procedure belonging to this namespace is
802 contained. The parent namespace points to this namespace either
803 directly via CONTAINED, or indirectly via the chain built by
805 struct gfc_namespace *parent;
806 /* CONTAINED points to the first contained namespace. Sibling
807 namespaces are chained via SIBLING. */
808 struct gfc_namespace *contained, *sibling;
810 gfc_common_head blank_common;
811 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
813 gfc_st_label *st_labels;
814 /* This list holds information about all the data initializers in
816 struct gfc_data *data;
818 gfc_charlen *cl_list;
820 int save_all, seen_save;
822 /* Normally we don't need to refcount namespaces. However when we read
823 a module containing a function with multiple entry points, this
824 will appear as several functions with the same formal namespace. */
827 /* A list of all alternate entry points to this procedure (or NULL). */
828 gfc_entry_list *entries;
830 /* Set to 1 if namespace is a BLOCK DATA program unit. */
835 extern gfc_namespace *gfc_current_ns;
837 /* Global symbols are symbols of global scope. Currently we only use
838 this to detect collisions already when parsing.
839 TODO: Extend to verify procedure calls. */
841 typedef struct gfc_gsymbol
843 BBT_HEADER(gfc_gsymbol);
845 char name[GFC_MAX_SYMBOL_LEN+1];
846 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
847 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
854 extern gfc_gsymbol *gfc_gsym_root;
856 /* Information on interfaces being built. */
867 extern gfc_interface_info current_interface;
870 /* Array reference. */
871 typedef struct gfc_array_ref
874 int dimen; /* # of components in the reference */
878 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
879 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
880 *stride[GFC_MAX_DIMENSIONS];
883 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
884 dimen_type[GFC_MAX_DIMENSIONS];
886 struct gfc_expr *offset;
890 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
893 /* Component reference nodes. A variable is stored as an expression
894 node that points to the base symbol. After that, a singly linked
895 list of component reference nodes gives the variable's complete
896 resolution. The array_ref component may be present and comes
897 before the component component. */
900 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
903 typedef struct gfc_ref
909 struct gfc_array_ref ar;
913 gfc_component *component;
920 struct gfc_expr *start, *end; /* Substring */
928 struct gfc_ref *next;
932 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
935 /* Structures representing intrinsic symbols and their arguments lists. */
936 typedef struct gfc_intrinsic_arg
938 char name[GFC_MAX_SYMBOL_LEN + 1];
942 gfc_actual_arglist *actual;
944 struct gfc_intrinsic_arg *next;
950 /* Specifies the various kinds of check functions used to verify the
951 argument lists of intrinsic functions. fX with X an integer refer
952 to check functions of intrinsics with X arguments. f1m is used for
953 the MAX and MIN intrinsics which can have an arbitrary number of
954 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
955 these have special semantics. */
960 try (*f1)(struct gfc_expr *);
961 try (*f1m)(gfc_actual_arglist *);
962 try (*f2)(struct gfc_expr *, struct gfc_expr *);
963 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
964 try (*f3ml)(gfc_actual_arglist *);
965 try (*f3red)(gfc_actual_arglist *);
966 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
968 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
969 struct gfc_expr *, struct gfc_expr *);
973 /* Like gfc_check_f, these specify the type of the simplification
974 function associated with an intrinsic. The fX are just like in
975 gfc_check_f. cc is used for type conversion functions. */
979 struct gfc_expr *(*f0)(void);
980 struct gfc_expr *(*f1)(struct gfc_expr *);
981 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
982 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
984 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
985 struct gfc_expr *, struct gfc_expr *);
986 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
987 struct gfc_expr *, struct gfc_expr *,
989 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
993 /* Again like gfc_check_f, these specify the type of the resolution
994 function associated with an intrinsic. The fX are just like in
995 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1000 void (*f0)(struct gfc_expr *);
1001 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1002 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1003 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1004 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1006 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1007 struct gfc_expr *, struct gfc_expr *);
1008 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1009 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1010 void (*s1)(struct gfc_code *);
1015 typedef struct gfc_intrinsic_sym
1017 const char *name, *lib_name;
1018 gfc_intrinsic_arg *formal;
1020 int elemental, pure, generic, specific, actual_ok, standard;
1022 gfc_simplify_f simplify;
1024 gfc_resolve_f resolve;
1025 struct gfc_intrinsic_sym *specific_head, *next;
1026 gfc_generic_isym_id generic_id;
1032 /* Expression nodes. The expression node types deserve explanations,
1033 since the last couple can be easily misconstrued:
1035 EXPR_OP Operator node pointing to one or two other nodes
1036 EXPR_FUNCTION Function call, symbol points to function's name
1037 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1038 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1039 which expresses structure, array and substring refs.
1040 EXPR_NULL The NULL pointer value (which also has a basic type).
1041 EXPR_SUBSTRING A substring of a constant string
1042 EXPR_STRUCTURE A structure constructor
1043 EXPR_ARRAY An array constructor. */
1047 #define GFC_RND_MODE GMP_RNDN
1049 typedef struct gfc_expr
1053 gfc_typespec ts; /* These two refer to the overall expression */
1056 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1058 /* Nonnull for functions and structure constructors */
1059 gfc_symtree *symtree;
1080 gfc_intrinsic_op operator;
1082 struct gfc_expr *op1, *op2;
1088 gfc_actual_arglist *actual;
1089 const char *name; /* Points to the ultimate name of the function */
1090 gfc_intrinsic_sym *isym;
1102 struct gfc_constructor *constructor;
1110 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1112 /* Structures for information associated with different kinds of
1113 numbers. The first set of integer parameters define all there is
1114 to know about a particular kind. The rest of the elements are
1115 computed from the first elements. */
1119 /* Values really representable by the target. */
1120 mpz_t huge, pedantic_min_int, min_int, max_int;
1122 int kind, radix, digits, bit_size, range;
1124 /* True if the C type of the given name maps to this precision.
1125 Note that more than one bit can be set. */
1126 unsigned int c_char : 1;
1127 unsigned int c_short : 1;
1128 unsigned int c_int : 1;
1129 unsigned int c_long : 1;
1130 unsigned int c_long_long : 1;
1134 extern gfc_integer_info gfc_integer_kinds[];
1141 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1142 unsigned int c_bool : 1;
1146 extern gfc_logical_info gfc_logical_kinds[];
1151 mpfr_t epsilon, huge, tiny, subnormal;
1152 int kind, radix, digits, min_exponent, max_exponent;
1153 int range, precision;
1155 /* The precision of the type as reported by GET_MODE_PRECISION. */
1158 /* True if the C type of the given name maps to this precision.
1159 Note that more than one bit can be set. */
1160 unsigned int c_float : 1;
1161 unsigned int c_double : 1;
1162 unsigned int c_long_double : 1;
1166 extern gfc_real_info gfc_real_kinds[];
1169 /* Equivalence structures. Equivalent lvalues are linked along the
1170 *eq pointer, equivalence sets are strung along the *next node. */
1171 typedef struct gfc_equiv
1173 struct gfc_equiv *next, *eq;
1179 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1182 /* gfc_case stores the selector list of a case statement. The *low
1183 and *high pointers can point to the same expression in the case of
1184 a single value. If *high is NULL, the selection is from *low
1185 upwards, if *low is NULL the selection is *high downwards.
1187 This structure has separate fields to allow single and double linked
1188 lists of CASEs at the same time. The singe linked list along the NEXT
1189 field is a list of cases for a single CASE label. The double linked
1190 list along the LEFT/RIGHT fields is used to detect overlap and to
1191 build a table of the cases for SELECT constructs with a CHARACTER
1194 typedef struct gfc_case
1196 /* Where we saw this case. */
1200 /* Case range values. If (low == high), it's a single value. If one of
1201 the labels is NULL, it's an unbounded case. If both are NULL, this
1202 represents the default case. */
1203 gfc_expr *low, *high;
1205 /* Next case label in the list of cases for a single CASE label. */
1206 struct gfc_case *next;
1208 /* Used for detecting overlap, and for code generation. */
1209 struct gfc_case *left, *right;
1211 /* True if this case label can never be matched. */
1216 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1221 gfc_expr *var, *start, *end, *step;
1225 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1228 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1230 typedef struct gfc_alloc
1233 struct gfc_alloc *next;
1237 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1242 gfc_expr *unit, *file, *status, *access, *form, *recl,
1243 *blank, *position, *action, *delim, *pad, *iostat;
1251 gfc_expr *unit, *status, *iostat;
1259 gfc_expr *unit, *iostat;
1267 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1268 *name, *access, *sequential, *direct, *form, *formatted,
1269 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1270 *write, *readwrite, *delim, *pad, *iolength;
1280 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1282 gfc_symbol *namelist;
1283 /* A format_label of `format_asterisk' indicates the "*" format */
1284 gfc_st_label *format_label;
1285 gfc_st_label *err, *end, *eor;
1287 locus eor_where, end_where;
1292 typedef struct gfc_forall_iterator
1294 gfc_expr *var, *start, *end, *stride;
1295 struct gfc_forall_iterator *next;
1297 gfc_forall_iterator;
1300 /* Executable statements that fill gfc_code structures. */
1303 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1304 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1305 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1306 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1307 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1308 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1309 EXEC_OPEN, EXEC_CLOSE,
1310 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1311 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1315 typedef struct gfc_code
1319 struct gfc_code *block, *next;
1322 gfc_st_label *here, *label, *label2, *label3;
1323 gfc_symtree *symtree;
1324 gfc_expr *expr, *expr2;
1325 /* A name isn't sufficient to identify a subroutine, we need the actual
1326 symbol for the interface definition.
1327 const char *sub_name; */
1328 gfc_symbol *resolved_sym;
1332 gfc_actual_arglist *actual;
1333 gfc_case *case_list;
1334 gfc_iterator *iterator;
1335 gfc_alloc *alloc_list;
1338 gfc_filepos *filepos;
1339 gfc_inquire *inquire;
1341 gfc_forall_iterator *forall_iterator;
1342 struct gfc_code *whichloop;
1344 gfc_entry_list *entry;
1346 ext; /* Points to additional structures required by statement */
1348 /* Backend_decl is used for cycle and break labels in do loops, and
1349 * probably for other constructs as well, once we translate them. */
1355 /* Storage for DATA statements. */
1356 typedef struct gfc_data_variable
1360 struct gfc_data_variable *list, *next;
1365 typedef struct gfc_data_value
1367 unsigned int repeat;
1369 struct gfc_data_value *next;
1374 typedef struct gfc_data
1376 gfc_data_variable *var;
1377 gfc_data_value *value;
1380 struct gfc_data *next;
1384 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1385 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1386 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1389 /* Structure for holding compile options */
1394 gfc_source_form source_form;
1395 int fixed_line_length;
1396 int max_identifier_length;
1400 int warn_conversion;
1401 int warn_implicit_interface;
1402 int warn_line_truncation;
1404 int warn_surprising;
1405 int warn_unused_labels;
1407 int flag_default_double;
1408 int flag_default_integer;
1409 int flag_default_real;
1411 int flag_underscoring;
1412 int flag_second_underscore;
1413 int flag_implicit_none;
1414 int flag_max_stack_var_size;
1415 int flag_module_access_private;
1416 int flag_no_backend;
1417 int flag_pack_derived;
1418 int flag_repack_arrays;
1424 int warn_nonstd_intrinsics;
1428 extern gfc_option_t gfc_option;
1431 /* Constructor nodes for array and structure constructors. */
1432 typedef struct gfc_constructor
1435 gfc_iterator *iterator;
1437 struct gfc_constructor *next;
1440 mpz_t offset; /* Record the offset of array element which appears in
1441 data statement like "data a(5)/4/". */
1442 gfc_component *component; /* Record the component being initialized. */
1445 mpz_t repeat; /* Record the repeat number of initial values in data
1446 statement like "data a/5*10/". */
1451 typedef struct iterator_stack
1453 gfc_symtree *variable;
1455 struct iterator_stack *prev;
1458 extern iterator_stack *iter_stack;
1460 /************************ Function prototypes *************************/
1463 void gfc_formalize_init_value (gfc_symbol *);
1464 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1465 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1466 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1467 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1470 void gfc_scanner_done_1 (void);
1471 void gfc_scanner_init_1 (void);
1473 void gfc_add_include_path (const char *);
1474 void gfc_release_include_path (void);
1475 FILE *gfc_open_included_file (const char *);
1477 int gfc_at_end (void);
1478 int gfc_at_eof (void);
1479 int gfc_at_bol (void);
1480 int gfc_at_eol (void);
1481 void gfc_advance_line (void);
1482 int gfc_check_include (void);
1484 void gfc_skip_comments (void);
1485 int gfc_next_char_literal (int);
1486 int gfc_next_char (void);
1487 int gfc_peek_char (void);
1488 void gfc_error_recovery (void);
1489 void gfc_gobble_whitespace (void);
1490 try gfc_new_file (const char *, gfc_source_form);
1492 extern gfc_source_form gfc_current_form;
1493 extern char *gfc_source_file;
1494 extern locus gfc_current_locus;
1497 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1498 void gfc_free (void *);
1499 int gfc_terminal_width(void);
1500 void gfc_clear_ts (gfc_typespec *);
1501 FILE *gfc_open_file (const char *);
1502 const char *gfc_article (const char *);
1503 const char *gfc_basic_typename (bt);
1504 const char *gfc_typename (gfc_typespec *);
1506 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1507 "=" : gfc_code2string (intrinsic_operators, OP))
1509 const char *gfc_code2string (const mstring *, int);
1510 int gfc_string2code (const mstring *, const char *);
1511 const char *gfc_intent_string (sym_intent);
1513 void gfc_init_1 (void);
1514 void gfc_init_2 (void);
1515 void gfc_done_1 (void);
1516 void gfc_done_2 (void);
1519 unsigned int gfc_init_options (unsigned int, const char **);
1520 int gfc_handle_option (size_t, const char *, int);
1521 bool gfc_post_options (const char **);
1524 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1528 typedef struct gfc_error_buf
1531 char message[MAX_ERROR_MESSAGE];
1534 void gfc_error_init_1 (void);
1535 void gfc_buffer_error (int);
1537 void gfc_warning (const char *, ...);
1538 void gfc_warning_now (const char *, ...);
1539 void gfc_clear_warning (void);
1540 void gfc_warning_check (void);
1542 void gfc_error (const char *, ...);
1543 void gfc_error_now (const char *, ...);
1544 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1545 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1546 void gfc_clear_error (void);
1547 int gfc_error_check (void);
1549 try gfc_notify_std (int, const char *, ...);
1551 /* A general purpose syntax error. */
1552 #define gfc_syntax_error(ST) \
1553 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1555 void gfc_push_error (gfc_error_buf *);
1556 void gfc_pop_error (gfc_error_buf *);
1558 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1559 void gfc_status_char (char);
1561 void gfc_get_errors (int *, int *);
1564 void gfc_arith_init_1 (void);
1565 void gfc_arith_done_1 (void);
1568 int gfc_validate_kind (bt, int, bool);
1569 extern int gfc_index_integer_kind;
1570 extern int gfc_default_integer_kind;
1571 extern int gfc_max_integer_kind;
1572 extern int gfc_default_real_kind;
1573 extern int gfc_default_double_kind;
1574 extern int gfc_default_character_kind;
1575 extern int gfc_default_logical_kind;
1576 extern int gfc_default_complex_kind;
1577 extern int gfc_c_int_kind;
1580 void gfc_clear_new_implicit (void);
1581 try gfc_add_new_implicit_range (int, int);
1582 try gfc_merge_new_implicit (gfc_typespec *);
1583 void gfc_set_implicit_none (void);
1585 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1586 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1588 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1589 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1591 void gfc_set_sym_referenced (gfc_symbol * sym);
1593 try gfc_add_allocatable (symbol_attribute *, locus *);
1594 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1595 try gfc_add_external (symbol_attribute *, locus *);
1596 try gfc_add_intrinsic (symbol_attribute *, locus *);
1597 try gfc_add_optional (symbol_attribute *, locus *);
1598 try gfc_add_pointer (symbol_attribute *, locus *);
1599 try gfc_add_result (symbol_attribute *, const char *, locus *);
1600 try gfc_add_save (symbol_attribute *, const char *, locus *);
1601 try gfc_add_saved_common (symbol_attribute *, locus *);
1602 try gfc_add_target (symbol_attribute *, locus *);
1603 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1604 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1605 try gfc_add_common (symbol_attribute *, locus *);
1606 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1607 try gfc_add_data (symbol_attribute *, const char *, locus *);
1608 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1609 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1610 try gfc_add_elemental (symbol_attribute *, locus *);
1611 try gfc_add_pure (symbol_attribute *, locus *);
1612 try gfc_add_recursive (symbol_attribute *, locus *);
1613 try gfc_add_function (symbol_attribute *, const char *, locus *);
1614 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1616 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1617 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1618 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1619 try gfc_add_procedure (symbol_attribute *, procedure_type,
1620 const char *, locus *);
1621 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1622 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1623 gfc_formal_arglist *, locus *);
1624 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1626 void gfc_clear_attr (symbol_attribute *);
1627 try gfc_missing_attr (symbol_attribute *, locus *);
1628 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1630 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1631 gfc_symbol *gfc_use_derived (gfc_symbol *);
1632 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1633 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1635 gfc_st_label *gfc_get_st_label (int);
1636 void gfc_free_st_label (gfc_st_label *);
1637 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1638 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1640 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1641 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1642 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1643 gfc_user_op *gfc_get_uop (const char *);
1644 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1645 void gfc_free_symbol (gfc_symbol *);
1646 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1647 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1648 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1649 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1650 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1651 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1652 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1654 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1656 void gfc_undo_symbols (void);
1657 void gfc_commit_symbols (void);
1658 void gfc_free_namespace (gfc_namespace *);
1660 void gfc_symbol_init_2 (void);
1661 void gfc_symbol_done_2 (void);
1663 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1664 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1665 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1666 void gfc_save_all (gfc_namespace *);
1668 void gfc_symbol_state (void);
1670 gfc_gsymbol *gfc_get_gsymbol (const char *);
1671 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1674 extern int gfc_init_expr;
1676 /* Given a symbol that we have decided is intrinsic, mark it as such
1677 by placing it into a special module that is otherwise impossible to
1680 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1682 void gfc_intrinsic_init_1 (void);
1683 void gfc_intrinsic_done_1 (void);
1685 char gfc_type_letter (bt);
1686 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1687 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1688 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1689 int gfc_generic_intrinsic (const char *);
1690 int gfc_specific_intrinsic (const char *);
1691 int gfc_intrinsic_name (const char *, int);
1692 gfc_intrinsic_sym *gfc_find_function (const char *);
1694 match gfc_intrinsic_func_interface (gfc_expr *, int);
1695 match gfc_intrinsic_sub_interface (gfc_code *, int);
1698 void gfc_simplify_init_1 (void);
1700 /* match.c -- FIXME */
1701 void gfc_free_iterator (gfc_iterator *, int);
1702 void gfc_free_forall_iterator (gfc_forall_iterator *);
1703 void gfc_free_alloc_list (gfc_alloc *);
1704 void gfc_free_namelist (gfc_namelist *);
1705 void gfc_free_equiv (gfc_equiv *);
1706 void gfc_free_data (gfc_data *);
1707 void gfc_free_case_list (gfc_case *);
1710 void gfc_free_actual_arglist (gfc_actual_arglist *);
1711 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1712 const char *gfc_extract_int (gfc_expr *, int *);
1714 gfc_expr *gfc_build_conversion (gfc_expr *);
1715 void gfc_free_ref_list (gfc_ref *);
1716 void gfc_type_convert_binary (gfc_expr *);
1717 int gfc_is_constant_expr (gfc_expr *);
1718 try gfc_simplify_expr (gfc_expr *, int);
1720 gfc_expr *gfc_get_expr (void);
1721 void gfc_free_expr (gfc_expr *);
1722 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1723 gfc_expr *gfc_int_expr (int);
1724 gfc_expr *gfc_logical_expr (int, locus *);
1725 mpz_t *gfc_copy_shape (mpz_t *, int);
1726 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1727 gfc_expr *gfc_copy_expr (gfc_expr *);
1729 try gfc_specification_expr (gfc_expr *);
1731 int gfc_numeric_ts (gfc_typespec *);
1732 int gfc_kind_max (gfc_expr *, gfc_expr *);
1734 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1735 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1736 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1737 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1739 gfc_expr *gfc_default_initializer (gfc_typespec *);
1740 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1744 extern gfc_code new_st;
1746 void gfc_clear_new_st (void);
1747 gfc_code *gfc_get_code (void);
1748 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1749 void gfc_free_statement (gfc_code *);
1750 void gfc_free_statements (gfc_code *);
1753 try gfc_resolve_expr (gfc_expr *);
1754 void gfc_resolve (gfc_namespace *);
1755 int gfc_impure_variable (gfc_symbol *);
1756 int gfc_pure (gfc_symbol *);
1757 int gfc_elemental (gfc_symbol *);
1758 try gfc_resolve_iterator (gfc_iterator *, bool);
1759 try gfc_resolve_index (gfc_expr *, int);
1762 void gfc_free_array_spec (gfc_array_spec *);
1763 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1765 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1766 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1767 try gfc_resolve_array_spec (gfc_array_spec *, int);
1769 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1771 gfc_expr *gfc_start_constructor (bt, int, locus *);
1772 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1773 void gfc_free_constructor (gfc_constructor *);
1774 void gfc_simplify_iterator_var (gfc_expr *);
1775 try gfc_expand_constructor (gfc_expr *);
1776 int gfc_constant_ac (gfc_expr *);
1777 int gfc_expanded_ac (gfc_expr *);
1778 try gfc_resolve_array_constructor (gfc_expr *);
1779 try gfc_check_constructor_type (gfc_expr *);
1780 try gfc_check_iter_variable (gfc_expr *);
1781 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1782 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1783 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1784 try gfc_array_size (gfc_expr *, mpz_t *);
1785 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1786 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1787 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1788 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1789 gfc_constructor *gfc_get_constructor (void);
1790 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1791 try spec_size (gfc_array_spec *, mpz_t *);
1792 int gfc_is_compile_time_shape (gfc_array_spec *);
1794 /* interface.c -- FIXME: some of these should be in symbol.c */
1795 void gfc_free_interface (gfc_interface *);
1796 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1797 void gfc_check_interfaces (gfc_namespace *);
1798 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1799 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1800 gfc_actual_arglist **);
1801 try gfc_extend_expr (gfc_expr *);
1802 void gfc_free_formal_arglist (gfc_formal_arglist *);
1803 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1804 try gfc_add_interface (gfc_symbol * sym);
1807 extern gfc_st_label format_asterisk;
1809 void gfc_free_open (gfc_open *);
1810 try gfc_resolve_open (gfc_open *);
1811 void gfc_free_close (gfc_close *);
1812 try gfc_resolve_close (gfc_close *);
1813 void gfc_free_filepos (gfc_filepos *);
1814 try gfc_resolve_filepos (gfc_filepos *);
1815 void gfc_free_inquire (gfc_inquire *);
1816 try gfc_resolve_inquire (gfc_inquire *);
1817 void gfc_free_dt (gfc_dt *);
1818 try gfc_resolve_dt (gfc_dt *);
1821 void gfc_module_init_2 (void);
1822 void gfc_module_done_2 (void);
1823 void gfc_dump_module (const char *, int);
1824 bool gfc_check_access (gfc_access, gfc_access);
1827 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1828 symbol_attribute gfc_expr_attr (gfc_expr *);
1831 void gfc_generate_code (gfc_namespace *);
1832 void gfc_generate_module_code (gfc_namespace *);
1835 typedef int (*compare_fn) (void *, void *);
1836 void gfc_insert_bbt (void *, void *, compare_fn);
1837 void gfc_delete_bbt (void *, void *, compare_fn);
1839 /* dump-parse-tree.c */
1840 void gfc_show_namespace (gfc_namespace *);
1843 try gfc_parse_file (void);
1845 #endif /* GCC_GFORTRAN_H */