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_LEGACY (1<<6) /* Backward compatibility. */
96 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
97 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
98 /* Note that no features were obsoleted nor deleted in F2003. */
99 #define GFC_STD_F95 (1<<3) /* New in F95. */
100 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
101 #define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
102 #define GFC_STD_F77 (1<<0) /* Up to and including F77. */
104 /*************************** Enums *****************************/
106 /* The author remains confused to this day about the convention of
107 returning '0' for 'SUCCESS'... or was it the other way around? The
108 following enum makes things much more readable. We also start
109 values off at one instead of zero. */
112 { SUCCESS = 1, FAILURE }
115 /* Matchers return one of these three values. The difference between
116 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
117 successful, but that something non-syntactic is wrong and an error
118 has already been issued. */
121 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }
125 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }
129 { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX,
130 BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE
134 /* Expression node types. */
136 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
137 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL
143 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
144 AS_ASSUMED_SIZE, AS_UNKNOWN
149 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }
152 /* Statement label types. */
154 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET,
155 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
159 /* Intrinsic operators. */
161 { GFC_INTRINSIC_BEGIN = 0,
162 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
163 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
164 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
165 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
166 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
167 INTRINSIC_LT, INTRINSIC_LE, INTRINSIC_NOT, INTRINSIC_USER,
169 GFC_INTRINSIC_END /* Sentinel */
174 /* Strings for all intrinsic operators. */
175 extern mstring intrinsic_operators[];
178 /* This macro is the number of intrinsic operators that exist.
179 Assumptions are made about the numbering of the interface_op enums. */
180 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
182 /* Arithmetic results. */
184 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
185 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC
192 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA,
193 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
194 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
195 ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO,
196 ST_END_FILE, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE,
197 ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE,
198 ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_EXIT, ST_FORALL,
199 ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT,
200 ST_IMPLICIT_NONE, ST_INQUIRE, ST_INTERFACE, ST_PARAMETER, ST_MODULE,
201 ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE,
202 ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP,
204 ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WRITE, ST_ASSIGNMENT,
205 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
206 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_NONE
211 /* Types of interfaces that we can have. Assignment interfaces are
212 considered to be intrinsic operators. */
215 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
216 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP
220 /* Symbol flavors: these are all mutually exclusive.
221 10 elements = 4 bits. */
222 typedef enum sym_flavor
224 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
225 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST
229 /* Procedure types. 7 elements = 3 bits. */
230 typedef enum procedure_type
231 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
232 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
237 typedef enum sym_intent
238 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
243 typedef enum gfc_access
244 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
248 /* Flags to keep track of where an interface came from.
249 4 elements = 2 bits. */
251 { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE
255 /* Strings for all symbol attributes. We use these for dumping the
256 parse tree, in error messages, and also when reading and writing
257 modules. In symbol.c. */
258 extern const mstring flavors[];
259 extern const mstring procedures[];
260 extern const mstring intents[];
261 extern const mstring access_types[];
262 extern const mstring ifsrc_types[];
264 /* Enumeration of all the generic intrinsic functions. Used by the
265 backend for identification of a function. */
267 enum gfc_generic_isym_id
269 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
270 the backend (eg. KIND). */
301 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
309 GFC_ISYM_DOT_PRODUCT,
378 GFC_ISYM_SET_EXPONENT,
407 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
409 /************************* Structures *****************************/
411 /* Symbol attribute structure. */
414 /* Variable attributes. */
415 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
416 optional:1, pointer:1, save:1, target:1,
417 dummy:1, result:1, assign:1;
419 unsigned data:1, /* Symbol is named in a DATA statement. */
420 use_assoc:1; /* Symbol has been use-associated. */
422 unsigned in_namelist:1, in_common:1;
423 unsigned function:1, subroutine:1, generic:1;
424 unsigned implicit_type:1; /* Type defined via implicit rules. */
425 unsigned untyped:1; /* No implicit type could be found. */
427 /* Function/subroutine attributes */
428 unsigned sequence:1, elemental:1, pure:1, recursive:1;
429 unsigned unmaskable:1, masked:1, contained:1;
431 /* Set if this procedure is an alternate entry point. These procedures
432 don't have any code associated, and the backend will turn them into
433 thunks to the master function. */
435 /* Set if this is the master function for a procedure with multiple
437 unsigned entry_master:1;
438 /* Set if this is the master function for a function with multiple
439 entry points where characteristics of the entry points differ. */
440 unsigned mixed_entry_master:1;
442 /* Set if a function must always be referenced by an explicit interface. */
443 unsigned always_explicit:1;
445 /* Set if the symbol has been referenced in an expression. No further
446 modification of type or type parameters is permitted. */
447 unsigned referenced:1;
449 /* Mutually exclusive multibit attributes. */
450 ENUM_BITFIELD (gfc_access) access:2;
451 ENUM_BITFIELD (sym_intent) intent:2;
452 ENUM_BITFIELD (sym_flavor) flavor:4;
453 ENUM_BITFIELD (ifsrc) if_source:2;
455 ENUM_BITFIELD (procedure_type) proc:3;
461 /* The following three structures are used to identify a location in
464 gfc_file is used to maintain a tree of the source files and how
465 they include each other
467 gfc_linebuf holds a single line of source code and information
468 which file it resides in
470 locus point to the sourceline and the character in the source
474 typedef struct gfc_file
476 struct gfc_file *included_by, *next, *up;
477 int inclusion_line, line;
481 typedef struct gfc_linebuf
483 #ifdef USE_MAPPED_LOCATION
484 source_location location;
488 struct gfc_file *file;
489 struct gfc_linebuf *next;
496 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
507 # include <sys/param.h>
508 # define PATH_MAX MAXPATHLEN
512 extern int gfc_suppress_error;
515 /* Character length structures hold the expression that gives the
516 length of a character variable. We avoid putting these into
517 gfc_typespec because doing so prevents us from doing structure
518 copies and forces us to deallocate any typespecs we create, as well
519 as structures that contain typespecs. They also can have multiple
520 character typespecs pointing to them.
522 These structures form a singly linked list within the current
523 namespace and are deallocated with the namespace. It is possible to
524 end up with gfc_charlen structures that have nothing pointing to them. */
526 typedef struct gfc_charlen
528 struct gfc_expr *length;
529 struct gfc_charlen *next;
534 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
536 /* Type specification structure. FIXME: derived and cl could be union??? */
541 struct gfc_symbol *derived;
542 gfc_charlen *cl; /* For character types only. */
546 /* Array specification. */
549 int rank; /* A rank of zero means that a variable is a scalar. */
551 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
555 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
558 /* Components of derived types. */
559 typedef struct gfc_component
564 int pointer, dimension;
569 struct gfc_expr *initializer;
570 struct gfc_component *next;
574 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
576 /* Formal argument lists are lists of symbols. */
577 typedef struct gfc_formal_arglist
579 /* Symbol representing the argument at this position in the arglist. */
580 struct gfc_symbol *sym;
581 /* Points to the next formal argument. */
582 struct gfc_formal_arglist *next;
586 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
589 /* The gfc_actual_arglist structure is for actual arguments. */
590 typedef struct gfc_actual_arglist
593 /* Alternate return label when the expr member is null. */
594 struct gfc_st_label *label;
596 /* This is set to the type of an eventual omitted optional
597 argument. This is used to determine if a hidden string length
598 argument has to be added to a function call. */
601 struct gfc_expr *expr;
602 struct gfc_actual_arglist *next;
606 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
609 /* Because a symbol can belong to multiple namelists, they must be
610 linked externally to the symbol itself. */
611 typedef struct gfc_namelist
613 struct gfc_symbol *sym;
614 struct gfc_namelist *next;
618 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
621 /* The gfc_st_label structure is a doubly linked list attached to a
622 namespace that records the usage of statement labels within that
624 /* TODO: Make format/statement specifics a union. */
625 typedef struct gfc_st_label
629 gfc_sl_type defined, referenced;
631 struct gfc_expr *format;
637 struct gfc_st_label *prev, *next;
642 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
643 typedef struct gfc_interface
645 struct gfc_symbol *sym;
647 struct gfc_interface *next;
651 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
654 /* User operator nodes. These are like stripped down symbols. */
659 gfc_interface *operator;
660 struct gfc_namespace *ns;
665 /* Symbol nodes. These are important things. They are what the
666 standard refers to as "entities". The possibly multiple names that
667 refer to the same entity are accomplished by a binary tree of
668 symtree structures that is balanced by the red-black method-- more
669 than one symtree node can point to any given symbol. */
671 typedef struct gfc_symbol
673 const char *name; /* Primary name, before renaming */
674 const char *module; /* Module this symbol came from */
678 symbol_attribute attr;
680 /* The interface member points to the formal argument list if the
681 symbol is a function or subroutine name. If the symbol is a
682 generic name, the generic member points to the list of
685 gfc_interface *generic;
686 gfc_access component_access;
688 gfc_formal_arglist *formal;
689 struct gfc_namespace *formal_ns;
691 struct gfc_expr *value; /* Parameter/Initializer value */
693 struct gfc_symbol *result; /* function result symbol */
694 gfc_component *components; /* Derived type components */
696 struct gfc_symbol *common_next; /* Links for COMMON syms */
697 /* Make sure setup code for dummy arguments is generated in the correct
701 gfc_namelist *namelist, *namelist_tail;
703 /* Change management fields. Symbols that might be modified by the
704 current statement have the mark member nonzero and are kept in a
705 singly linked list through the tlink field. Of these symbols,
706 symbols with old_symbol equal to NULL are symbols created within
707 the current statement. Otherwise, old_symbol points to a copy of
710 struct gfc_symbol *old_symbol, *tlink;
711 unsigned mark:1, new:1;
712 /* Nonzero if all equivalences associated with this symbol have been
714 unsigned equiv_built:1;
716 struct gfc_namespace *ns; /* namespace containing this symbol */
723 /* This structure is used to keep track of symbols in common blocks. */
728 int use_assoc, saved;
729 char name[GFC_MAX_SYMBOL_LEN + 1];
734 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
737 /* A list of all the alternate entry points for a procedure. */
739 typedef struct gfc_entry_list
741 /* The symbol for this entry point. */
743 /* The zero-based id of this entry point. */
745 /* The LABEL_EXPR marking this entry point. */
747 /* The nest item in the list. */
748 struct gfc_entry_list *next;
752 #define gfc_get_entry_list() \
753 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
755 /* Within a namespace, symbols are pointed to by symtree nodes that
756 are linked together in a balanced binary tree. There can be
757 several symtrees pointing to the same symbol node via USE
760 #define BBT_HEADER(self) int priority; struct self *left, *right
762 typedef struct gfc_symtree
764 BBT_HEADER (gfc_symtree);
769 gfc_symbol *sym; /* Symbol associated with this node */
771 gfc_common_head *common;
779 /* A namespace describes the contents of procedure, module or
781 /* ??? Anything else use these? */
783 typedef struct gfc_namespace
785 /* Tree containing all the symbols in this namespace. */
786 gfc_symtree *sym_root;
787 /* Tree containing all the user-defined operators in the namespace. */
788 gfc_symtree *uop_root;
789 /* Tree containing all the common blocks. */
790 gfc_symtree *common_root;
792 /* If set_flag[letter] is set, an implicit type has been set for letter. */
793 int set_flag[GFC_LETTERS];
794 /* Keeps track of the implicit types associated with the letters. */
795 gfc_typespec default_type[GFC_LETTERS];
797 /* If this is a namespace of a procedure, this points to the procedure. */
798 struct gfc_symbol *proc_name;
799 /* If this is the namespace of a unit which contains executable
800 code, this points to it. */
801 struct gfc_code *code;
803 /* Points to the equivalences set up in this namespace. */
804 struct gfc_equiv *equiv;
805 gfc_interface *operator[GFC_INTRINSIC_OPS];
807 /* Points to the parent namespace, i.e. the namespace of a module or
808 procedure in which the procedure belonging to this namespace is
809 contained. The parent namespace points to this namespace either
810 directly via CONTAINED, or indirectly via the chain built by
812 struct gfc_namespace *parent;
813 /* CONTAINED points to the first contained namespace. Sibling
814 namespaces are chained via SIBLING. */
815 struct gfc_namespace *contained, *sibling;
817 gfc_common_head blank_common;
818 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
820 gfc_st_label *st_labels;
821 /* This list holds information about all the data initializers in
823 struct gfc_data *data;
825 gfc_charlen *cl_list;
827 int save_all, seen_save, seen_implicit_none;
829 /* Normally we don't need to refcount namespaces. However when we read
830 a module containing a function with multiple entry points, this
831 will appear as several functions with the same formal namespace. */
834 /* A list of all alternate entry points to this procedure (or NULL). */
835 gfc_entry_list *entries;
837 /* Set to 1 if namespace is a BLOCK DATA program unit. */
842 extern gfc_namespace *gfc_current_ns;
844 /* Global symbols are symbols of global scope. Currently we only use
845 this to detect collisions already when parsing.
846 TODO: Extend to verify procedure calls. */
848 typedef struct gfc_gsymbol
850 BBT_HEADER(gfc_gsymbol);
853 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
854 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
861 extern gfc_gsymbol *gfc_gsym_root;
863 /* Information on interfaces being built. */
874 extern gfc_interface_info current_interface;
877 /* Array reference. */
878 typedef struct gfc_array_ref
881 int dimen; /* # of components in the reference */
885 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
886 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
887 *stride[GFC_MAX_DIMENSIONS];
890 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
891 dimen_type[GFC_MAX_DIMENSIONS];
893 struct gfc_expr *offset;
897 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
900 /* Component reference nodes. A variable is stored as an expression
901 node that points to the base symbol. After that, a singly linked
902 list of component reference nodes gives the variable's complete
903 resolution. The array_ref component may be present and comes
904 before the component component. */
907 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
910 typedef struct gfc_ref
916 struct gfc_array_ref ar;
920 gfc_component *component;
927 struct gfc_expr *start, *end; /* Substring */
935 struct gfc_ref *next;
939 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
942 /* Structures representing intrinsic symbols and their arguments lists. */
943 typedef struct gfc_intrinsic_arg
945 char name[GFC_MAX_SYMBOL_LEN + 1];
949 gfc_actual_arglist *actual;
951 struct gfc_intrinsic_arg *next;
957 /* Specifies the various kinds of check functions used to verify the
958 argument lists of intrinsic functions. fX with X an integer refer
959 to check functions of intrinsics with X arguments. f1m is used for
960 the MAX and MIN intrinsics which can have an arbitrary number of
961 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
962 these have special semantics. */
967 try (*f1)(struct gfc_expr *);
968 try (*f1m)(gfc_actual_arglist *);
969 try (*f2)(struct gfc_expr *, struct gfc_expr *);
970 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
971 try (*f3ml)(gfc_actual_arglist *);
972 try (*f3red)(gfc_actual_arglist *);
973 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
975 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
976 struct gfc_expr *, struct gfc_expr *);
980 /* Like gfc_check_f, these specify the type of the simplification
981 function associated with an intrinsic. The fX are just like in
982 gfc_check_f. cc is used for type conversion functions. */
986 struct gfc_expr *(*f0)(void);
987 struct gfc_expr *(*f1)(struct gfc_expr *);
988 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
989 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
991 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
992 struct gfc_expr *, struct gfc_expr *);
993 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
994 struct gfc_expr *, struct gfc_expr *,
996 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
1000 /* Again like gfc_check_f, these specify the type of the resolution
1001 function associated with an intrinsic. The fX are just like in
1002 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1007 void (*f0)(struct gfc_expr *);
1008 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1009 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1010 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1011 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1013 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1014 struct gfc_expr *, struct gfc_expr *);
1015 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1016 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1017 void (*s1)(struct gfc_code *);
1022 typedef struct gfc_intrinsic_sym
1024 const char *name, *lib_name;
1025 gfc_intrinsic_arg *formal;
1027 int elemental, pure, generic, specific, actual_ok, standard;
1029 gfc_simplify_f simplify;
1031 gfc_resolve_f resolve;
1032 struct gfc_intrinsic_sym *specific_head, *next;
1033 gfc_generic_isym_id generic_id;
1039 /* Expression nodes. The expression node types deserve explanations,
1040 since the last couple can be easily misconstrued:
1042 EXPR_OP Operator node pointing to one or two other nodes
1043 EXPR_FUNCTION Function call, symbol points to function's name
1044 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1045 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1046 which expresses structure, array and substring refs.
1047 EXPR_NULL The NULL pointer value (which also has a basic type).
1048 EXPR_SUBSTRING A substring of a constant string
1049 EXPR_STRUCTURE A structure constructor
1050 EXPR_ARRAY An array constructor. */
1054 #define GFC_RND_MODE GMP_RNDN
1056 typedef struct gfc_expr
1060 gfc_typespec ts; /* These two refer to the overall expression */
1063 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1065 /* Nonnull for functions and structure constructors */
1066 gfc_symtree *symtree;
1087 gfc_intrinsic_op operator;
1089 struct gfc_expr *op1, *op2;
1095 gfc_actual_arglist *actual;
1096 const char *name; /* Points to the ultimate name of the function */
1097 gfc_intrinsic_sym *isym;
1109 struct gfc_constructor *constructor;
1117 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1119 /* Structures for information associated with different kinds of
1120 numbers. The first set of integer parameters define all there is
1121 to know about a particular kind. The rest of the elements are
1122 computed from the first elements. */
1126 /* Values really representable by the target. */
1127 mpz_t huge, pedantic_min_int, min_int, max_int;
1129 int kind, radix, digits, bit_size, range;
1131 /* True if the C type of the given name maps to this precision.
1132 Note that more than one bit can be set. */
1133 unsigned int c_char : 1;
1134 unsigned int c_short : 1;
1135 unsigned int c_int : 1;
1136 unsigned int c_long : 1;
1137 unsigned int c_long_long : 1;
1141 extern gfc_integer_info gfc_integer_kinds[];
1148 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1149 unsigned int c_bool : 1;
1153 extern gfc_logical_info gfc_logical_kinds[];
1158 mpfr_t epsilon, huge, tiny, subnormal;
1159 int kind, radix, digits, min_exponent, max_exponent;
1160 int range, precision;
1162 /* The precision of the type as reported by GET_MODE_PRECISION. */
1165 /* True if the C type of the given name maps to this precision.
1166 Note that more than one bit can be set. */
1167 unsigned int c_float : 1;
1168 unsigned int c_double : 1;
1169 unsigned int c_long_double : 1;
1173 extern gfc_real_info gfc_real_kinds[];
1176 /* Equivalence structures. Equivalent lvalues are linked along the
1177 *eq pointer, equivalence sets are strung along the *next node. */
1178 typedef struct gfc_equiv
1180 struct gfc_equiv *next, *eq;
1186 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1189 /* gfc_case stores the selector list of a case statement. The *low
1190 and *high pointers can point to the same expression in the case of
1191 a single value. If *high is NULL, the selection is from *low
1192 upwards, if *low is NULL the selection is *high downwards.
1194 This structure has separate fields to allow single and double linked
1195 lists of CASEs at the same time. The singe linked list along the NEXT
1196 field is a list of cases for a single CASE label. The double linked
1197 list along the LEFT/RIGHT fields is used to detect overlap and to
1198 build a table of the cases for SELECT constructs with a CHARACTER
1201 typedef struct gfc_case
1203 /* Where we saw this case. */
1207 /* Case range values. If (low == high), it's a single value. If one of
1208 the labels is NULL, it's an unbounded case. If both are NULL, this
1209 represents the default case. */
1210 gfc_expr *low, *high;
1212 /* Next case label in the list of cases for a single CASE label. */
1213 struct gfc_case *next;
1215 /* Used for detecting overlap, and for code generation. */
1216 struct gfc_case *left, *right;
1218 /* True if this case label can never be matched. */
1223 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1228 gfc_expr *var, *start, *end, *step;
1232 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1235 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1237 typedef struct gfc_alloc
1240 struct gfc_alloc *next;
1244 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1249 gfc_expr *unit, *file, *status, *access, *form, *recl,
1250 *blank, *position, *action, *delim, *pad, *iostat;
1258 gfc_expr *unit, *status, *iostat;
1266 gfc_expr *unit, *iostat;
1274 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1275 *name, *access, *sequential, *direct, *form, *formatted,
1276 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1277 *write, *readwrite, *delim, *pad, *iolength;
1287 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1289 gfc_symbol *namelist;
1290 /* A format_label of `format_asterisk' indicates the "*" format */
1291 gfc_st_label *format_label;
1292 gfc_st_label *err, *end, *eor;
1294 locus eor_where, end_where;
1299 typedef struct gfc_forall_iterator
1301 gfc_expr *var, *start, *end, *stride;
1302 struct gfc_forall_iterator *next;
1304 gfc_forall_iterator;
1307 /* Executable statements that fill gfc_code structures. */
1310 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1311 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1312 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1313 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1314 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1315 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1316 EXEC_OPEN, EXEC_CLOSE,
1317 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1318 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1322 typedef struct gfc_code
1326 struct gfc_code *block, *next;
1329 gfc_st_label *here, *label, *label2, *label3;
1330 gfc_symtree *symtree;
1331 gfc_expr *expr, *expr2;
1332 /* A name isn't sufficient to identify a subroutine, we need the actual
1333 symbol for the interface definition.
1334 const char *sub_name; */
1335 gfc_symbol *resolved_sym;
1339 gfc_actual_arglist *actual;
1340 gfc_case *case_list;
1341 gfc_iterator *iterator;
1342 gfc_alloc *alloc_list;
1345 gfc_filepos *filepos;
1346 gfc_inquire *inquire;
1348 gfc_forall_iterator *forall_iterator;
1349 struct gfc_code *whichloop;
1351 gfc_entry_list *entry;
1353 ext; /* Points to additional structures required by statement */
1355 /* Backend_decl is used for cycle and break labels in do loops, and
1356 * probably for other constructs as well, once we translate them. */
1362 /* Storage for DATA statements. */
1363 typedef struct gfc_data_variable
1367 struct gfc_data_variable *list, *next;
1372 typedef struct gfc_data_value
1374 unsigned int repeat;
1376 struct gfc_data_value *next;
1381 typedef struct gfc_data
1383 gfc_data_variable *var;
1384 gfc_data_value *value;
1387 struct gfc_data *next;
1391 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1392 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1393 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1396 /* Structure for holding compile options */
1401 gfc_source_form source_form;
1402 int fixed_line_length;
1403 int max_identifier_length;
1407 int warn_conversion;
1408 int warn_implicit_interface;
1409 int warn_line_truncation;
1411 int warn_surprising;
1412 int warn_unused_labels;
1414 int flag_default_double;
1415 int flag_default_integer;
1416 int flag_default_real;
1418 int flag_underscoring;
1419 int flag_second_underscore;
1420 int flag_implicit_none;
1421 int flag_max_stack_var_size;
1422 int flag_module_access_private;
1423 int flag_no_backend;
1424 int flag_pack_derived;
1425 int flag_repack_arrays;
1433 int warn_nonstd_intrinsics;
1437 extern gfc_option_t gfc_option;
1440 /* Constructor nodes for array and structure constructors. */
1441 typedef struct gfc_constructor
1444 gfc_iterator *iterator;
1446 struct gfc_constructor *next;
1449 mpz_t offset; /* Record the offset of array element which appears in
1450 data statement like "data a(5)/4/". */
1451 gfc_component *component; /* Record the component being initialized. */
1454 mpz_t repeat; /* Record the repeat number of initial values in data
1455 statement like "data a/5*10/". */
1460 typedef struct iterator_stack
1462 gfc_symtree *variable;
1464 struct iterator_stack *prev;
1467 extern iterator_stack *iter_stack;
1469 /************************ Function prototypes *************************/
1472 void gfc_formalize_init_value (gfc_symbol *);
1473 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1474 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1475 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1476 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1479 void gfc_scanner_done_1 (void);
1480 void gfc_scanner_init_1 (void);
1482 void gfc_add_include_path (const char *);
1483 void gfc_release_include_path (void);
1484 FILE *gfc_open_included_file (const char *);
1486 int gfc_at_end (void);
1487 int gfc_at_eof (void);
1488 int gfc_at_bol (void);
1489 int gfc_at_eol (void);
1490 void gfc_advance_line (void);
1491 int gfc_check_include (void);
1493 void gfc_skip_comments (void);
1494 int gfc_next_char_literal (int);
1495 int gfc_next_char (void);
1496 int gfc_peek_char (void);
1497 void gfc_error_recovery (void);
1498 void gfc_gobble_whitespace (void);
1499 try gfc_new_file (const char *, gfc_source_form);
1501 extern gfc_source_form gfc_current_form;
1502 extern char *gfc_source_file;
1503 extern locus gfc_current_locus;
1506 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1507 void gfc_free (void *);
1508 int gfc_terminal_width(void);
1509 void gfc_clear_ts (gfc_typespec *);
1510 FILE *gfc_open_file (const char *);
1511 const char *gfc_article (const char *);
1512 const char *gfc_basic_typename (bt);
1513 const char *gfc_typename (gfc_typespec *);
1515 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1516 "=" : gfc_code2string (intrinsic_operators, OP))
1518 const char *gfc_code2string (const mstring *, int);
1519 int gfc_string2code (const mstring *, const char *);
1520 const char *gfc_intent_string (sym_intent);
1522 void gfc_init_1 (void);
1523 void gfc_init_2 (void);
1524 void gfc_done_1 (void);
1525 void gfc_done_2 (void);
1528 unsigned int gfc_init_options (unsigned int, const char **);
1529 int gfc_handle_option (size_t, const char *, int);
1530 bool gfc_post_options (const char **);
1533 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1537 typedef struct gfc_error_buf
1540 char message[MAX_ERROR_MESSAGE];
1543 void gfc_error_init_1 (void);
1544 void gfc_buffer_error (int);
1546 void gfc_warning (const char *, ...);
1547 void gfc_warning_now (const char *, ...);
1548 void gfc_clear_warning (void);
1549 void gfc_warning_check (void);
1551 void gfc_error (const char *, ...);
1552 void gfc_error_now (const char *, ...);
1553 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1554 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1555 void gfc_clear_error (void);
1556 int gfc_error_check (void);
1558 try gfc_notify_std (int, const char *, ...);
1560 /* A general purpose syntax error. */
1561 #define gfc_syntax_error(ST) \
1562 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1564 void gfc_push_error (gfc_error_buf *);
1565 void gfc_pop_error (gfc_error_buf *);
1567 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1568 void gfc_status_char (char);
1570 void gfc_get_errors (int *, int *);
1573 void gfc_arith_init_1 (void);
1574 void gfc_arith_done_1 (void);
1577 int gfc_validate_kind (bt, int, bool);
1578 extern int gfc_index_integer_kind;
1579 extern int gfc_default_integer_kind;
1580 extern int gfc_max_integer_kind;
1581 extern int gfc_default_real_kind;
1582 extern int gfc_default_double_kind;
1583 extern int gfc_default_character_kind;
1584 extern int gfc_default_logical_kind;
1585 extern int gfc_default_complex_kind;
1586 extern int gfc_c_int_kind;
1589 void gfc_clear_new_implicit (void);
1590 try gfc_add_new_implicit_range (int, int);
1591 try gfc_merge_new_implicit (gfc_typespec *);
1592 void gfc_set_implicit_none (void);
1594 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1595 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1597 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1598 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1600 void gfc_set_sym_referenced (gfc_symbol * sym);
1602 try gfc_add_allocatable (symbol_attribute *, locus *);
1603 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1604 try gfc_add_external (symbol_attribute *, locus *);
1605 try gfc_add_intrinsic (symbol_attribute *, locus *);
1606 try gfc_add_optional (symbol_attribute *, locus *);
1607 try gfc_add_pointer (symbol_attribute *, locus *);
1608 try gfc_add_result (symbol_attribute *, const char *, locus *);
1609 try gfc_add_save (symbol_attribute *, const char *, locus *);
1610 try gfc_add_saved_common (symbol_attribute *, locus *);
1611 try gfc_add_target (symbol_attribute *, locus *);
1612 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1613 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1614 try gfc_add_common (symbol_attribute *, locus *);
1615 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1616 try gfc_add_data (symbol_attribute *, const char *, locus *);
1617 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1618 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1619 try gfc_add_elemental (symbol_attribute *, locus *);
1620 try gfc_add_pure (symbol_attribute *, locus *);
1621 try gfc_add_recursive (symbol_attribute *, locus *);
1622 try gfc_add_function (symbol_attribute *, const char *, locus *);
1623 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1625 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1626 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1627 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1628 try gfc_add_procedure (symbol_attribute *, procedure_type,
1629 const char *, locus *);
1630 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1631 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1632 gfc_formal_arglist *, locus *);
1633 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1635 void gfc_clear_attr (symbol_attribute *);
1636 try gfc_missing_attr (symbol_attribute *, locus *);
1637 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1639 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1640 gfc_symbol *gfc_use_derived (gfc_symbol *);
1641 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1642 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1644 gfc_st_label *gfc_get_st_label (int);
1645 void gfc_free_st_label (gfc_st_label *);
1646 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1647 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1649 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1650 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1651 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1652 gfc_user_op *gfc_get_uop (const char *);
1653 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1654 void gfc_free_symbol (gfc_symbol *);
1655 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1656 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1657 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1658 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1659 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1660 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1661 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1663 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1665 void gfc_undo_symbols (void);
1666 void gfc_commit_symbols (void);
1667 void gfc_free_namespace (gfc_namespace *);
1669 void gfc_symbol_init_2 (void);
1670 void gfc_symbol_done_2 (void);
1672 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1673 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1674 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1675 void gfc_save_all (gfc_namespace *);
1677 void gfc_symbol_state (void);
1679 gfc_gsymbol *gfc_get_gsymbol (const char *);
1680 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1683 extern int gfc_init_expr;
1685 /* Given a symbol that we have decided is intrinsic, mark it as such
1686 by placing it into a special module that is otherwise impossible to
1689 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1691 void gfc_intrinsic_init_1 (void);
1692 void gfc_intrinsic_done_1 (void);
1694 char gfc_type_letter (bt);
1695 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1696 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1697 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1698 int gfc_generic_intrinsic (const char *);
1699 int gfc_specific_intrinsic (const char *);
1700 int gfc_intrinsic_name (const char *, int);
1701 gfc_intrinsic_sym *gfc_find_function (const char *);
1703 match gfc_intrinsic_func_interface (gfc_expr *, int);
1704 match gfc_intrinsic_sub_interface (gfc_code *, int);
1707 void gfc_simplify_init_1 (void);
1709 /* match.c -- FIXME */
1710 void gfc_free_iterator (gfc_iterator *, int);
1711 void gfc_free_forall_iterator (gfc_forall_iterator *);
1712 void gfc_free_alloc_list (gfc_alloc *);
1713 void gfc_free_namelist (gfc_namelist *);
1714 void gfc_free_equiv (gfc_equiv *);
1715 void gfc_free_data (gfc_data *);
1716 void gfc_free_case_list (gfc_case *);
1719 void gfc_free_actual_arglist (gfc_actual_arglist *);
1720 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1721 const char *gfc_extract_int (gfc_expr *, int *);
1723 gfc_expr *gfc_build_conversion (gfc_expr *);
1724 void gfc_free_ref_list (gfc_ref *);
1725 void gfc_type_convert_binary (gfc_expr *);
1726 int gfc_is_constant_expr (gfc_expr *);
1727 try gfc_simplify_expr (gfc_expr *, int);
1729 gfc_expr *gfc_get_expr (void);
1730 void gfc_free_expr (gfc_expr *);
1731 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1732 gfc_expr *gfc_int_expr (int);
1733 gfc_expr *gfc_logical_expr (int, locus *);
1734 mpz_t *gfc_copy_shape (mpz_t *, int);
1735 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1736 gfc_expr *gfc_copy_expr (gfc_expr *);
1738 try gfc_specification_expr (gfc_expr *);
1740 int gfc_numeric_ts (gfc_typespec *);
1741 int gfc_kind_max (gfc_expr *, gfc_expr *);
1743 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1744 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1745 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1746 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1748 gfc_expr *gfc_default_initializer (gfc_typespec *);
1749 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1753 extern gfc_code new_st;
1755 void gfc_clear_new_st (void);
1756 gfc_code *gfc_get_code (void);
1757 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1758 void gfc_free_statement (gfc_code *);
1759 void gfc_free_statements (gfc_code *);
1762 try gfc_resolve_expr (gfc_expr *);
1763 void gfc_resolve (gfc_namespace *);
1764 int gfc_impure_variable (gfc_symbol *);
1765 int gfc_pure (gfc_symbol *);
1766 int gfc_elemental (gfc_symbol *);
1767 try gfc_resolve_iterator (gfc_iterator *, bool);
1768 try gfc_resolve_index (gfc_expr *, int);
1771 void gfc_free_array_spec (gfc_array_spec *);
1772 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1774 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1775 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1776 try gfc_resolve_array_spec (gfc_array_spec *, int);
1778 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1780 gfc_expr *gfc_start_constructor (bt, int, locus *);
1781 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1782 void gfc_free_constructor (gfc_constructor *);
1783 void gfc_simplify_iterator_var (gfc_expr *);
1784 try gfc_expand_constructor (gfc_expr *);
1785 int gfc_constant_ac (gfc_expr *);
1786 int gfc_expanded_ac (gfc_expr *);
1787 try gfc_resolve_array_constructor (gfc_expr *);
1788 try gfc_check_constructor_type (gfc_expr *);
1789 try gfc_check_iter_variable (gfc_expr *);
1790 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1791 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1792 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1793 try gfc_array_size (gfc_expr *, mpz_t *);
1794 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1795 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1796 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1797 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1798 gfc_constructor *gfc_get_constructor (void);
1799 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1800 try spec_size (gfc_array_spec *, mpz_t *);
1801 int gfc_is_compile_time_shape (gfc_array_spec *);
1803 /* interface.c -- FIXME: some of these should be in symbol.c */
1804 void gfc_free_interface (gfc_interface *);
1805 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1806 void gfc_check_interfaces (gfc_namespace *);
1807 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1808 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1809 gfc_actual_arglist **);
1810 try gfc_extend_expr (gfc_expr *);
1811 void gfc_free_formal_arglist (gfc_formal_arglist *);
1812 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1813 try gfc_add_interface (gfc_symbol * sym);
1816 extern gfc_st_label format_asterisk;
1818 void gfc_free_open (gfc_open *);
1819 try gfc_resolve_open (gfc_open *);
1820 void gfc_free_close (gfc_close *);
1821 try gfc_resolve_close (gfc_close *);
1822 void gfc_free_filepos (gfc_filepos *);
1823 try gfc_resolve_filepos (gfc_filepos *);
1824 void gfc_free_inquire (gfc_inquire *);
1825 try gfc_resolve_inquire (gfc_inquire *);
1826 void gfc_free_dt (gfc_dt *);
1827 try gfc_resolve_dt (gfc_dt *);
1830 void gfc_module_init_2 (void);
1831 void gfc_module_done_2 (void);
1832 void gfc_dump_module (const char *, int);
1833 bool gfc_check_access (gfc_access, gfc_access);
1836 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1837 symbol_attribute gfc_expr_attr (gfc_expr *);
1840 void gfc_generate_code (gfc_namespace *);
1841 void gfc_generate_module_code (gfc_namespace *);
1844 typedef int (*compare_fn) (void *, void *);
1845 void gfc_insert_bbt (void *, void *, compare_fn);
1846 void gfc_delete_bbt (void *, void *, compare_fn);
1848 /* dump-parse-tree.c */
1849 void gfc_show_namespace (gfc_namespace *);
1852 try gfc_parse_file (void);
1854 #endif /* GCC_GFORTRAN_H */