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). */
298 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
306 GFC_ISYM_DOT_PRODUCT,
375 GFC_ISYM_SET_EXPONENT,
404 typedef enum gfc_generic_isym_id gfc_generic_isym_id;
406 /************************* Structures *****************************/
408 /* Symbol attribute structure. */
411 /* Variable attributes. */
412 unsigned allocatable:1, dimension:1, external:1, intrinsic:1,
413 optional:1, pointer:1, save:1, target:1,
414 dummy:1, result:1, assign:1;
416 unsigned data:1, /* Symbol is named in a DATA statement. */
417 use_assoc:1; /* Symbol has been use-associated. */
419 unsigned in_namelist:1, in_common:1;
420 unsigned function:1, subroutine:1, generic:1;
421 unsigned implicit_type:1; /* Type defined via implicit rules. */
422 unsigned untyped:1; /* No implicit type could be found. */
424 /* Function/subroutine attributes */
425 unsigned sequence:1, elemental:1, pure:1, recursive:1;
426 unsigned unmaskable:1, masked:1, contained:1;
428 /* Set if this procedure is an alternate entry point. These procedures
429 don't have any code associated, and the backend will turn them into
430 thunks to the master function. */
432 /* Set if this is the master function for a procedure with multiple
434 unsigned entry_master:1;
435 /* Set if this is the master function for a function with multiple
436 entry points where characteristics of the entry points differ. */
437 unsigned mixed_entry_master:1;
439 /* Set if a function must always be referenced by an explicit interface. */
440 unsigned always_explicit:1;
442 /* Set if the symbol has been referenced in an expression. No further
443 modification of type or type parameters is permitted. */
444 unsigned referenced:1;
446 /* Mutually exclusive multibit attributes. */
447 ENUM_BITFIELD (gfc_access) access:2;
448 ENUM_BITFIELD (sym_intent) intent:2;
449 ENUM_BITFIELD (sym_flavor) flavor:4;
450 ENUM_BITFIELD (ifsrc) if_source:2;
452 ENUM_BITFIELD (procedure_type) proc:3;
458 /* The following three structures are used to identify a location in
461 gfc_file is used to maintain a tree of the source files and how
462 they include each other
464 gfc_linebuf holds a single line of source code and information
465 which file it resides in
467 locus point to the sourceline and the character in the source
471 typedef struct gfc_file
473 struct gfc_file *included_by, *next, *up;
474 int inclusion_line, line;
478 typedef struct gfc_linebuf
480 #ifdef USE_MAPPED_LOCATION
481 source_location location;
485 struct gfc_file *file;
486 struct gfc_linebuf *next;
493 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
504 # include <sys/param.h>
505 # define PATH_MAX MAXPATHLEN
509 extern int gfc_suppress_error;
512 /* Character length structures hold the expression that gives the
513 length of a character variable. We avoid putting these into
514 gfc_typespec because doing so prevents us from doing structure
515 copies and forces us to deallocate any typespecs we create, as well
516 as structures that contain typespecs. They also can have multiple
517 character typespecs pointing to them.
519 These structures form a singly linked list within the current
520 namespace and are deallocated with the namespace. It is possible to
521 end up with gfc_charlen structures that have nothing pointing to them. */
523 typedef struct gfc_charlen
525 struct gfc_expr *length;
526 struct gfc_charlen *next;
531 #define gfc_get_charlen() gfc_getmem(sizeof(gfc_charlen))
533 /* Type specification structure. FIXME: derived and cl could be union??? */
538 struct gfc_symbol *derived;
539 gfc_charlen *cl; /* For character types only. */
543 /* Array specification. */
546 int rank; /* A rank of zero means that a variable is a scalar. */
548 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
552 #define gfc_get_array_spec() gfc_getmem(sizeof(gfc_array_spec))
555 /* Components of derived types. */
556 typedef struct gfc_component
561 int pointer, dimension;
566 struct gfc_expr *initializer;
567 struct gfc_component *next;
571 #define gfc_get_component() gfc_getmem(sizeof(gfc_component))
573 /* Formal argument lists are lists of symbols. */
574 typedef struct gfc_formal_arglist
576 /* Symbol representing the argument at this position in the arglist. */
577 struct gfc_symbol *sym;
578 /* Points to the next formal argument. */
579 struct gfc_formal_arglist *next;
583 #define gfc_get_formal_arglist() gfc_getmem(sizeof(gfc_formal_arglist))
586 /* The gfc_actual_arglist structure is for actual arguments. */
587 typedef struct gfc_actual_arglist
590 /* Alternate return label when the expr member is null. */
591 struct gfc_st_label *label;
593 /* This is set to the type of an eventual omitted optional
594 argument. This is used to determine if a hidden string length
595 argument has to be added to a function call. */
598 struct gfc_expr *expr;
599 struct gfc_actual_arglist *next;
603 #define gfc_get_actual_arglist() gfc_getmem(sizeof(gfc_actual_arglist))
606 /* Because a symbol can belong to multiple namelists, they must be
607 linked externally to the symbol itself. */
608 typedef struct gfc_namelist
610 struct gfc_symbol *sym;
611 struct gfc_namelist *next;
615 #define gfc_get_namelist() gfc_getmem(sizeof(gfc_namelist))
618 /* The gfc_st_label structure is a doubly linked list attached to a
619 namespace that records the usage of statement labels within that
621 /* TODO: Make format/statement specifics a union. */
622 typedef struct gfc_st_label
626 gfc_sl_type defined, referenced;
628 struct gfc_expr *format;
634 struct gfc_st_label *prev, *next;
639 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
640 typedef struct gfc_interface
642 struct gfc_symbol *sym;
644 struct gfc_interface *next;
648 #define gfc_get_interface() gfc_getmem(sizeof(gfc_interface))
651 /* User operator nodes. These are like stripped down symbols. */
656 gfc_interface *operator;
657 struct gfc_namespace *ns;
662 /* Symbol nodes. These are important things. They are what the
663 standard refers to as "entities". The possibly multiple names that
664 refer to the same entity are accomplished by a binary tree of
665 symtree structures that is balanced by the red-black method-- more
666 than one symtree node can point to any given symbol. */
668 typedef struct gfc_symbol
670 const char *name; /* Primary name, before renaming */
671 const char *module; /* Module this symbol came from */
675 symbol_attribute attr;
677 /* The interface member points to the formal argument list if the
678 symbol is a function or subroutine name. If the symbol is a
679 generic name, the generic member points to the list of
682 gfc_interface *generic;
683 gfc_access component_access;
685 gfc_formal_arglist *formal;
686 struct gfc_namespace *formal_ns;
688 struct gfc_expr *value; /* Parameter/Initializer value */
690 struct gfc_symbol *result; /* function result symbol */
691 gfc_component *components; /* Derived type components */
693 struct gfc_symbol *common_next; /* Links for COMMON syms */
694 /* Make sure setup code for dummy arguments is generated in the correct
698 gfc_namelist *namelist, *namelist_tail;
700 /* Change management fields. Symbols that might be modified by the
701 current statement have the mark member nonzero and are kept in a
702 singly linked list through the tlink field. Of these symbols,
703 symbols with old_symbol equal to NULL are symbols created within
704 the current statement. Otherwise, old_symbol points to a copy of
707 struct gfc_symbol *old_symbol, *tlink;
708 unsigned mark:1, new:1;
709 /* Nonzero if all equivalences associated with this symbol have been
711 unsigned equiv_built:1;
713 struct gfc_namespace *ns; /* namespace containing this symbol */
720 /* This structure is used to keep track of symbols in common blocks. */
725 int use_assoc, saved;
726 char name[GFC_MAX_SYMBOL_LEN + 1];
731 #define gfc_get_common_head() gfc_getmem(sizeof(gfc_common_head))
734 /* A list of all the alternate entry points for a procedure. */
736 typedef struct gfc_entry_list
738 /* The symbol for this entry point. */
740 /* The zero-based id of this entry point. */
742 /* The LABEL_EXPR marking this entry point. */
744 /* The nest item in the list. */
745 struct gfc_entry_list *next;
749 #define gfc_get_entry_list() \
750 (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list))
752 /* Within a namespace, symbols are pointed to by symtree nodes that
753 are linked together in a balanced binary tree. There can be
754 several symtrees pointing to the same symbol node via USE
757 #define BBT_HEADER(self) int priority; struct self *left, *right
759 typedef struct gfc_symtree
761 BBT_HEADER (gfc_symtree);
766 gfc_symbol *sym; /* Symbol associated with this node */
768 gfc_common_head *common;
776 /* A namespace describes the contents of procedure, module or
778 /* ??? Anything else use these? */
780 typedef struct gfc_namespace
782 /* Tree containing all the symbols in this namespace. */
783 gfc_symtree *sym_root;
784 /* Tree containing all the user-defined operators in the namespace. */
785 gfc_symtree *uop_root;
786 /* Tree containing all the common blocks. */
787 gfc_symtree *common_root;
789 /* If set_flag[letter] is set, an implicit type has been set for letter. */
790 int set_flag[GFC_LETTERS];
791 /* Keeps track of the implicit types associated with the letters. */
792 gfc_typespec default_type[GFC_LETTERS];
794 /* If this is a namespace of a procedure, this points to the procedure. */
795 struct gfc_symbol *proc_name;
796 /* If this is the namespace of a unit which contains executable
797 code, this points to it. */
798 struct gfc_code *code;
800 /* Points to the equivalences set up in this namespace. */
801 struct gfc_equiv *equiv;
802 gfc_interface *operator[GFC_INTRINSIC_OPS];
804 /* Points to the parent namespace, i.e. the namespace of a module or
805 procedure in which the procedure belonging to this namespace is
806 contained. The parent namespace points to this namespace either
807 directly via CONTAINED, or indirectly via the chain built by
809 struct gfc_namespace *parent;
810 /* CONTAINED points to the first contained namespace. Sibling
811 namespaces are chained via SIBLING. */
812 struct gfc_namespace *contained, *sibling;
814 gfc_common_head blank_common;
815 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
817 gfc_st_label *st_labels;
818 /* This list holds information about all the data initializers in
820 struct gfc_data *data;
822 gfc_charlen *cl_list;
824 int save_all, seen_save, seen_implicit_none;
826 /* Normally we don't need to refcount namespaces. However when we read
827 a module containing a function with multiple entry points, this
828 will appear as several functions with the same formal namespace. */
831 /* A list of all alternate entry points to this procedure (or NULL). */
832 gfc_entry_list *entries;
834 /* Set to 1 if namespace is a BLOCK DATA program unit. */
839 extern gfc_namespace *gfc_current_ns;
841 /* Global symbols are symbols of global scope. Currently we only use
842 this to detect collisions already when parsing.
843 TODO: Extend to verify procedure calls. */
845 typedef struct gfc_gsymbol
847 BBT_HEADER(gfc_gsymbol);
850 enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
851 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type;
858 extern gfc_gsymbol *gfc_gsym_root;
860 /* Information on interfaces being built. */
871 extern gfc_interface_info current_interface;
874 /* Array reference. */
875 typedef struct gfc_array_ref
878 int dimen; /* # of components in the reference */
882 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
883 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
884 *stride[GFC_MAX_DIMENSIONS];
887 { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN }
888 dimen_type[GFC_MAX_DIMENSIONS];
890 struct gfc_expr *offset;
894 #define gfc_get_array_ref() gfc_getmem(sizeof(gfc_array_ref))
897 /* Component reference nodes. A variable is stored as an expression
898 node that points to the base symbol. After that, a singly linked
899 list of component reference nodes gives the variable's complete
900 resolution. The array_ref component may be present and comes
901 before the component component. */
904 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING }
907 typedef struct gfc_ref
913 struct gfc_array_ref ar;
917 gfc_component *component;
924 struct gfc_expr *start, *end; /* Substring */
932 struct gfc_ref *next;
936 #define gfc_get_ref() gfc_getmem(sizeof(gfc_ref))
939 /* Structures representing intrinsic symbols and their arguments lists. */
940 typedef struct gfc_intrinsic_arg
942 char name[GFC_MAX_SYMBOL_LEN + 1];
946 gfc_actual_arglist *actual;
948 struct gfc_intrinsic_arg *next;
954 /* Specifies the various kinds of check functions used to verify the
955 argument lists of intrinsic functions. fX with X an integer refer
956 to check functions of intrinsics with X arguments. f1m is used for
957 the MAX and MIN intrinsics which can have an arbitrary number of
958 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as
959 these have special semantics. */
964 try (*f1)(struct gfc_expr *);
965 try (*f1m)(gfc_actual_arglist *);
966 try (*f2)(struct gfc_expr *, struct gfc_expr *);
967 try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
968 try (*f3ml)(gfc_actual_arglist *);
969 try (*f3red)(gfc_actual_arglist *);
970 try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
972 try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
973 struct gfc_expr *, struct gfc_expr *);
977 /* Like gfc_check_f, these specify the type of the simplification
978 function associated with an intrinsic. The fX are just like in
979 gfc_check_f. cc is used for type conversion functions. */
983 struct gfc_expr *(*f0)(void);
984 struct gfc_expr *(*f1)(struct gfc_expr *);
985 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
986 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
988 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
989 struct gfc_expr *, struct gfc_expr *);
990 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
991 struct gfc_expr *, struct gfc_expr *,
993 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
997 /* Again like gfc_check_f, these specify the type of the resolution
998 function associated with an intrinsic. The fX are just like in
999 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort().
1004 void (*f0)(struct gfc_expr *);
1005 void (*f1)(struct gfc_expr *, struct gfc_expr *);
1006 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
1007 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1008 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1010 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1011 struct gfc_expr *, struct gfc_expr *);
1012 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
1013 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
1014 void (*s1)(struct gfc_code *);
1019 typedef struct gfc_intrinsic_sym
1021 const char *name, *lib_name;
1022 gfc_intrinsic_arg *formal;
1024 int elemental, pure, generic, specific, actual_ok, standard;
1026 gfc_simplify_f simplify;
1028 gfc_resolve_f resolve;
1029 struct gfc_intrinsic_sym *specific_head, *next;
1030 gfc_generic_isym_id generic_id;
1036 /* Expression nodes. The expression node types deserve explanations,
1037 since the last couple can be easily misconstrued:
1039 EXPR_OP Operator node pointing to one or two other nodes
1040 EXPR_FUNCTION Function call, symbol points to function's name
1041 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
1042 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
1043 which expresses structure, array and substring refs.
1044 EXPR_NULL The NULL pointer value (which also has a basic type).
1045 EXPR_SUBSTRING A substring of a constant string
1046 EXPR_STRUCTURE A structure constructor
1047 EXPR_ARRAY An array constructor. */
1051 #define GFC_RND_MODE GMP_RNDN
1053 typedef struct gfc_expr
1057 gfc_typespec ts; /* These two refer to the overall expression */
1060 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
1062 /* Nonnull for functions and structure constructors */
1063 gfc_symtree *symtree;
1084 gfc_intrinsic_op operator;
1086 struct gfc_expr *op1, *op2;
1092 gfc_actual_arglist *actual;
1093 const char *name; /* Points to the ultimate name of the function */
1094 gfc_intrinsic_sym *isym;
1106 struct gfc_constructor *constructor;
1114 #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t)))
1116 /* Structures for information associated with different kinds of
1117 numbers. The first set of integer parameters define all there is
1118 to know about a particular kind. The rest of the elements are
1119 computed from the first elements. */
1123 /* Values really representable by the target. */
1124 mpz_t huge, pedantic_min_int, min_int, max_int;
1126 int kind, radix, digits, bit_size, range;
1128 /* True if the C type of the given name maps to this precision.
1129 Note that more than one bit can be set. */
1130 unsigned int c_char : 1;
1131 unsigned int c_short : 1;
1132 unsigned int c_int : 1;
1133 unsigned int c_long : 1;
1134 unsigned int c_long_long : 1;
1138 extern gfc_integer_info gfc_integer_kinds[];
1145 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
1146 unsigned int c_bool : 1;
1150 extern gfc_logical_info gfc_logical_kinds[];
1155 mpfr_t epsilon, huge, tiny, subnormal;
1156 int kind, radix, digits, min_exponent, max_exponent;
1157 int range, precision;
1159 /* The precision of the type as reported by GET_MODE_PRECISION. */
1162 /* True if the C type of the given name maps to this precision.
1163 Note that more than one bit can be set. */
1164 unsigned int c_float : 1;
1165 unsigned int c_double : 1;
1166 unsigned int c_long_double : 1;
1170 extern gfc_real_info gfc_real_kinds[];
1173 /* Equivalence structures. Equivalent lvalues are linked along the
1174 *eq pointer, equivalence sets are strung along the *next node. */
1175 typedef struct gfc_equiv
1177 struct gfc_equiv *next, *eq;
1183 #define gfc_get_equiv() gfc_getmem(sizeof(gfc_equiv))
1186 /* gfc_case stores the selector list of a case statement. The *low
1187 and *high pointers can point to the same expression in the case of
1188 a single value. If *high is NULL, the selection is from *low
1189 upwards, if *low is NULL the selection is *high downwards.
1191 This structure has separate fields to allow single and double linked
1192 lists of CASEs at the same time. The singe linked list along the NEXT
1193 field is a list of cases for a single CASE label. The double linked
1194 list along the LEFT/RIGHT fields is used to detect overlap and to
1195 build a table of the cases for SELECT constructs with a CHARACTER
1198 typedef struct gfc_case
1200 /* Where we saw this case. */
1204 /* Case range values. If (low == high), it's a single value. If one of
1205 the labels is NULL, it's an unbounded case. If both are NULL, this
1206 represents the default case. */
1207 gfc_expr *low, *high;
1209 /* Next case label in the list of cases for a single CASE label. */
1210 struct gfc_case *next;
1212 /* Used for detecting overlap, and for code generation. */
1213 struct gfc_case *left, *right;
1215 /* True if this case label can never be matched. */
1220 #define gfc_get_case() gfc_getmem(sizeof(gfc_case))
1225 gfc_expr *var, *start, *end, *step;
1229 #define gfc_get_iterator() gfc_getmem(sizeof(gfc_iterator))
1232 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
1234 typedef struct gfc_alloc
1237 struct gfc_alloc *next;
1241 #define gfc_get_alloc() gfc_getmem(sizeof(gfc_alloc))
1246 gfc_expr *unit, *file, *status, *access, *form, *recl,
1247 *blank, *position, *action, *delim, *pad, *iostat;
1255 gfc_expr *unit, *status, *iostat;
1263 gfc_expr *unit, *iostat;
1271 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
1272 *name, *access, *sequential, *direct, *form, *formatted,
1273 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
1274 *write, *readwrite, *delim, *pad, *iolength;
1284 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size;
1286 gfc_symbol *namelist;
1287 /* A format_label of `format_asterisk' indicates the "*" format */
1288 gfc_st_label *format_label;
1289 gfc_st_label *err, *end, *eor;
1291 locus eor_where, end_where;
1296 typedef struct gfc_forall_iterator
1298 gfc_expr *var, *start, *end, *stride;
1299 struct gfc_forall_iterator *next;
1301 gfc_forall_iterator;
1304 /* Executable statements that fill gfc_code structures. */
1307 EXEC_NOP = 1, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN,
1308 EXEC_GOTO, EXEC_CALL, EXEC_RETURN, EXEC_ENTRY,
1309 EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE,
1310 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT,
1311 EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
1312 EXEC_ALLOCATE, EXEC_DEALLOCATE,
1313 EXEC_OPEN, EXEC_CLOSE,
1314 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
1315 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND
1319 typedef struct gfc_code
1323 struct gfc_code *block, *next;
1326 gfc_st_label *here, *label, *label2, *label3;
1327 gfc_symtree *symtree;
1328 gfc_expr *expr, *expr2;
1329 /* A name isn't sufficient to identify a subroutine, we need the actual
1330 symbol for the interface definition.
1331 const char *sub_name; */
1332 gfc_symbol *resolved_sym;
1336 gfc_actual_arglist *actual;
1337 gfc_case *case_list;
1338 gfc_iterator *iterator;
1339 gfc_alloc *alloc_list;
1342 gfc_filepos *filepos;
1343 gfc_inquire *inquire;
1345 gfc_forall_iterator *forall_iterator;
1346 struct gfc_code *whichloop;
1348 gfc_entry_list *entry;
1350 ext; /* Points to additional structures required by statement */
1352 /* Backend_decl is used for cycle and break labels in do loops, and
1353 * probably for other constructs as well, once we translate them. */
1359 /* Storage for DATA statements. */
1360 typedef struct gfc_data_variable
1364 struct gfc_data_variable *list, *next;
1369 typedef struct gfc_data_value
1371 unsigned int repeat;
1373 struct gfc_data_value *next;
1378 typedef struct gfc_data
1380 gfc_data_variable *var;
1381 gfc_data_value *value;
1384 struct gfc_data *next;
1388 #define gfc_get_data_variable() gfc_getmem(sizeof(gfc_data_variable))
1389 #define gfc_get_data_value() gfc_getmem(sizeof(gfc_data_value))
1390 #define gfc_get_data() gfc_getmem(sizeof(gfc_data))
1393 /* Structure for holding compile options */
1398 gfc_source_form source_form;
1399 int fixed_line_length;
1400 int max_identifier_length;
1404 int warn_conversion;
1405 int warn_implicit_interface;
1406 int warn_line_truncation;
1408 int warn_surprising;
1409 int warn_unused_labels;
1411 int flag_default_double;
1412 int flag_default_integer;
1413 int flag_default_real;
1415 int flag_underscoring;
1416 int flag_second_underscore;
1417 int flag_implicit_none;
1418 int flag_max_stack_var_size;
1419 int flag_module_access_private;
1420 int flag_no_backend;
1421 int flag_pack_derived;
1422 int flag_repack_arrays;
1430 int warn_nonstd_intrinsics;
1434 extern gfc_option_t gfc_option;
1437 /* Constructor nodes for array and structure constructors. */
1438 typedef struct gfc_constructor
1441 gfc_iterator *iterator;
1443 struct gfc_constructor *next;
1446 mpz_t offset; /* Record the offset of array element which appears in
1447 data statement like "data a(5)/4/". */
1448 gfc_component *component; /* Record the component being initialized. */
1451 mpz_t repeat; /* Record the repeat number of initial values in data
1452 statement like "data a/5*10/". */
1457 typedef struct iterator_stack
1459 gfc_symtree *variable;
1461 struct iterator_stack *prev;
1464 extern iterator_stack *iter_stack;
1466 /************************ Function prototypes *************************/
1469 void gfc_formalize_init_value (gfc_symbol *);
1470 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
1471 void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
1472 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
1473 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);
1476 void gfc_scanner_done_1 (void);
1477 void gfc_scanner_init_1 (void);
1479 void gfc_add_include_path (const char *);
1480 void gfc_release_include_path (void);
1481 FILE *gfc_open_included_file (const char *);
1483 int gfc_at_end (void);
1484 int gfc_at_eof (void);
1485 int gfc_at_bol (void);
1486 int gfc_at_eol (void);
1487 void gfc_advance_line (void);
1488 int gfc_check_include (void);
1490 void gfc_skip_comments (void);
1491 int gfc_next_char_literal (int);
1492 int gfc_next_char (void);
1493 int gfc_peek_char (void);
1494 void gfc_error_recovery (void);
1495 void gfc_gobble_whitespace (void);
1496 try gfc_new_file (const char *, gfc_source_form);
1498 extern gfc_source_form gfc_current_form;
1499 extern char *gfc_source_file;
1500 extern locus gfc_current_locus;
1503 void *gfc_getmem (size_t) ATTRIBUTE_MALLOC;
1504 void gfc_free (void *);
1505 int gfc_terminal_width(void);
1506 void gfc_clear_ts (gfc_typespec *);
1507 FILE *gfc_open_file (const char *);
1508 const char *gfc_article (const char *);
1509 const char *gfc_basic_typename (bt);
1510 const char *gfc_typename (gfc_typespec *);
1512 #define gfc_op2string(OP) (OP == INTRINSIC_ASSIGN ? \
1513 "=" : gfc_code2string (intrinsic_operators, OP))
1515 const char *gfc_code2string (const mstring *, int);
1516 int gfc_string2code (const mstring *, const char *);
1517 const char *gfc_intent_string (sym_intent);
1519 void gfc_init_1 (void);
1520 void gfc_init_2 (void);
1521 void gfc_done_1 (void);
1522 void gfc_done_2 (void);
1525 unsigned int gfc_init_options (unsigned int, const char **);
1526 int gfc_handle_option (size_t, const char *, int);
1527 bool gfc_post_options (const char **);
1530 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
1534 typedef struct gfc_error_buf
1537 char message[MAX_ERROR_MESSAGE];
1540 void gfc_error_init_1 (void);
1541 void gfc_buffer_error (int);
1543 void gfc_warning (const char *, ...);
1544 void gfc_warning_now (const char *, ...);
1545 void gfc_clear_warning (void);
1546 void gfc_warning_check (void);
1548 void gfc_error (const char *, ...);
1549 void gfc_error_now (const char *, ...);
1550 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN;
1551 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN;
1552 void gfc_clear_error (void);
1553 int gfc_error_check (void);
1555 try gfc_notify_std (int, const char *, ...);
1557 /* A general purpose syntax error. */
1558 #define gfc_syntax_error(ST) \
1559 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
1561 void gfc_push_error (gfc_error_buf *);
1562 void gfc_pop_error (gfc_error_buf *);
1564 void gfc_status (const char *, ...) ATTRIBUTE_PRINTF_1;
1565 void gfc_status_char (char);
1567 void gfc_get_errors (int *, int *);
1570 void gfc_arith_init_1 (void);
1571 void gfc_arith_done_1 (void);
1574 int gfc_validate_kind (bt, int, bool);
1575 extern int gfc_index_integer_kind;
1576 extern int gfc_default_integer_kind;
1577 extern int gfc_max_integer_kind;
1578 extern int gfc_default_real_kind;
1579 extern int gfc_default_double_kind;
1580 extern int gfc_default_character_kind;
1581 extern int gfc_default_logical_kind;
1582 extern int gfc_default_complex_kind;
1583 extern int gfc_c_int_kind;
1586 void gfc_clear_new_implicit (void);
1587 try gfc_add_new_implicit_range (int, int);
1588 try gfc_merge_new_implicit (gfc_typespec *);
1589 void gfc_set_implicit_none (void);
1591 gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *);
1592 try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
1594 void gfc_set_component_attr (gfc_component *, symbol_attribute *);
1595 void gfc_get_component_attr (symbol_attribute *, gfc_component *);
1597 void gfc_set_sym_referenced (gfc_symbol * sym);
1599 try gfc_add_allocatable (symbol_attribute *, locus *);
1600 try gfc_add_dimension (symbol_attribute *, const char *, locus *);
1601 try gfc_add_external (symbol_attribute *, locus *);
1602 try gfc_add_intrinsic (symbol_attribute *, locus *);
1603 try gfc_add_optional (symbol_attribute *, locus *);
1604 try gfc_add_pointer (symbol_attribute *, locus *);
1605 try gfc_add_result (symbol_attribute *, const char *, locus *);
1606 try gfc_add_save (symbol_attribute *, const char *, locus *);
1607 try gfc_add_saved_common (symbol_attribute *, locus *);
1608 try gfc_add_target (symbol_attribute *, locus *);
1609 try gfc_add_dummy (symbol_attribute *, const char *, locus *);
1610 try gfc_add_generic (symbol_attribute *, const char *, locus *);
1611 try gfc_add_common (symbol_attribute *, locus *);
1612 try gfc_add_in_common (symbol_attribute *, const char *, locus *);
1613 try gfc_add_data (symbol_attribute *, const char *, locus *);
1614 try gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
1615 try gfc_add_sequence (symbol_attribute *, const char *, locus *);
1616 try gfc_add_elemental (symbol_attribute *, locus *);
1617 try gfc_add_pure (symbol_attribute *, locus *);
1618 try gfc_add_recursive (symbol_attribute *, locus *);
1619 try gfc_add_function (symbol_attribute *, const char *, locus *);
1620 try gfc_add_subroutine (symbol_attribute *, const char *, locus *);
1622 try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
1623 try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
1624 try gfc_add_entry (symbol_attribute *, const char *, locus *);
1625 try gfc_add_procedure (symbol_attribute *, procedure_type,
1626 const char *, locus *);
1627 try gfc_add_intent (symbol_attribute *, sym_intent, locus *);
1628 try gfc_add_explicit_interface (gfc_symbol *, ifsrc,
1629 gfc_formal_arglist *, locus *);
1630 try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
1632 void gfc_clear_attr (symbol_attribute *);
1633 try gfc_missing_attr (symbol_attribute *, locus *);
1634 try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
1636 try gfc_add_component (gfc_symbol *, const char *, gfc_component **);
1637 gfc_symbol *gfc_use_derived (gfc_symbol *);
1638 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
1639 gfc_component *gfc_find_component (gfc_symbol *, const char *);
1641 gfc_st_label *gfc_get_st_label (int);
1642 void gfc_free_st_label (gfc_st_label *);
1643 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
1644 try gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
1646 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
1647 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
1648 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
1649 gfc_user_op *gfc_get_uop (const char *);
1650 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
1651 void gfc_free_symbol (gfc_symbol *);
1652 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
1653 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
1654 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
1655 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
1656 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **);
1657 int gfc_get_ha_symbol (const char *, gfc_symbol **);
1658 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
1660 int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
1662 void gfc_undo_symbols (void);
1663 void gfc_commit_symbols (void);
1664 void gfc_free_namespace (gfc_namespace *);
1666 void gfc_symbol_init_2 (void);
1667 void gfc_symbol_done_2 (void);
1669 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
1670 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
1671 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
1672 void gfc_save_all (gfc_namespace *);
1674 void gfc_symbol_state (void);
1676 gfc_gsymbol *gfc_get_gsymbol (const char *);
1677 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
1680 extern int gfc_init_expr;
1682 /* Given a symbol that we have decided is intrinsic, mark it as such
1683 by placing it into a special module that is otherwise impossible to
1686 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
1688 void gfc_intrinsic_init_1 (void);
1689 void gfc_intrinsic_done_1 (void);
1691 char gfc_type_letter (bt);
1692 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
1693 try gfc_convert_type (gfc_expr *, gfc_typespec *, int);
1694 try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
1695 int gfc_generic_intrinsic (const char *);
1696 int gfc_specific_intrinsic (const char *);
1697 int gfc_intrinsic_name (const char *, int);
1698 gfc_intrinsic_sym *gfc_find_function (const char *);
1700 match gfc_intrinsic_func_interface (gfc_expr *, int);
1701 match gfc_intrinsic_sub_interface (gfc_code *, int);
1704 void gfc_simplify_init_1 (void);
1706 /* match.c -- FIXME */
1707 void gfc_free_iterator (gfc_iterator *, int);
1708 void gfc_free_forall_iterator (gfc_forall_iterator *);
1709 void gfc_free_alloc_list (gfc_alloc *);
1710 void gfc_free_namelist (gfc_namelist *);
1711 void gfc_free_equiv (gfc_equiv *);
1712 void gfc_free_data (gfc_data *);
1713 void gfc_free_case_list (gfc_case *);
1716 void gfc_free_actual_arglist (gfc_actual_arglist *);
1717 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
1718 const char *gfc_extract_int (gfc_expr *, int *);
1720 gfc_expr *gfc_build_conversion (gfc_expr *);
1721 void gfc_free_ref_list (gfc_ref *);
1722 void gfc_type_convert_binary (gfc_expr *);
1723 int gfc_is_constant_expr (gfc_expr *);
1724 try gfc_simplify_expr (gfc_expr *, int);
1726 gfc_expr *gfc_get_expr (void);
1727 void gfc_free_expr (gfc_expr *);
1728 void gfc_replace_expr (gfc_expr *, gfc_expr *);
1729 gfc_expr *gfc_int_expr (int);
1730 gfc_expr *gfc_logical_expr (int, locus *);
1731 mpz_t *gfc_copy_shape (mpz_t *, int);
1732 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
1733 gfc_expr *gfc_copy_expr (gfc_expr *);
1735 try gfc_specification_expr (gfc_expr *);
1737 int gfc_numeric_ts (gfc_typespec *);
1738 int gfc_kind_max (gfc_expr *, gfc_expr *);
1740 try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *);
1741 try gfc_check_assign (gfc_expr *, gfc_expr *, int);
1742 try gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
1743 try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *);
1745 gfc_expr *gfc_default_initializer (gfc_typespec *);
1746 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
1750 extern gfc_code new_st;
1752 void gfc_clear_new_st (void);
1753 gfc_code *gfc_get_code (void);
1754 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
1755 void gfc_free_statement (gfc_code *);
1756 void gfc_free_statements (gfc_code *);
1759 try gfc_resolve_expr (gfc_expr *);
1760 void gfc_resolve (gfc_namespace *);
1761 int gfc_impure_variable (gfc_symbol *);
1762 int gfc_pure (gfc_symbol *);
1763 int gfc_elemental (gfc_symbol *);
1764 try gfc_resolve_iterator (gfc_iterator *, bool);
1765 try gfc_resolve_index (gfc_expr *, int);
1768 void gfc_free_array_spec (gfc_array_spec *);
1769 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
1771 try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
1772 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
1773 try gfc_resolve_array_spec (gfc_array_spec *, int);
1775 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
1777 gfc_expr *gfc_start_constructor (bt, int, locus *);
1778 void gfc_append_constructor (gfc_expr *, gfc_expr *);
1779 void gfc_free_constructor (gfc_constructor *);
1780 void gfc_simplify_iterator_var (gfc_expr *);
1781 try gfc_expand_constructor (gfc_expr *);
1782 int gfc_constant_ac (gfc_expr *);
1783 int gfc_expanded_ac (gfc_expr *);
1784 try gfc_resolve_array_constructor (gfc_expr *);
1785 try gfc_check_constructor_type (gfc_expr *);
1786 try gfc_check_iter_variable (gfc_expr *);
1787 try gfc_check_constructor (gfc_expr *, try (*)(gfc_expr *));
1788 gfc_constructor *gfc_copy_constructor (gfc_constructor * src);
1789 gfc_expr *gfc_get_array_element (gfc_expr *, int);
1790 try gfc_array_size (gfc_expr *, mpz_t *);
1791 try gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
1792 try gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
1793 gfc_array_ref *gfc_find_array_ref (gfc_expr *);
1794 void gfc_insert_constructor (gfc_expr *, gfc_constructor *);
1795 gfc_constructor *gfc_get_constructor (void);
1796 tree gfc_conv_array_initializer (tree type, gfc_expr * expr);
1797 try spec_size (gfc_array_spec *, mpz_t *);
1798 int gfc_is_compile_time_shape (gfc_array_spec *);
1800 /* interface.c -- FIXME: some of these should be in symbol.c */
1801 void gfc_free_interface (gfc_interface *);
1802 int gfc_compare_types (gfc_typespec *, gfc_typespec *);
1803 void gfc_check_interfaces (gfc_namespace *);
1804 void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
1805 gfc_symbol *gfc_search_interface (gfc_interface *, int,
1806 gfc_actual_arglist **);
1807 try gfc_extend_expr (gfc_expr *);
1808 void gfc_free_formal_arglist (gfc_formal_arglist *);
1809 try gfc_extend_assign (gfc_code *, gfc_namespace *);
1810 try gfc_add_interface (gfc_symbol * sym);
1813 extern gfc_st_label format_asterisk;
1815 void gfc_free_open (gfc_open *);
1816 try gfc_resolve_open (gfc_open *);
1817 void gfc_free_close (gfc_close *);
1818 try gfc_resolve_close (gfc_close *);
1819 void gfc_free_filepos (gfc_filepos *);
1820 try gfc_resolve_filepos (gfc_filepos *);
1821 void gfc_free_inquire (gfc_inquire *);
1822 try gfc_resolve_inquire (gfc_inquire *);
1823 void gfc_free_dt (gfc_dt *);
1824 try gfc_resolve_dt (gfc_dt *);
1827 void gfc_module_init_2 (void);
1828 void gfc_module_done_2 (void);
1829 void gfc_dump_module (const char *, int);
1830 bool gfc_check_access (gfc_access, gfc_access);
1833 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
1834 symbol_attribute gfc_expr_attr (gfc_expr *);
1837 void gfc_generate_code (gfc_namespace *);
1838 void gfc_generate_module_code (gfc_namespace *);
1841 typedef int (*compare_fn) (void *, void *);
1842 void gfc_insert_bbt (void *, void *, compare_fn);
1843 void gfc_delete_bbt (void *, void *, compare_fn);
1845 /* dump-parse-tree.c */
1846 void gfc_show_namespace (gfc_namespace *);
1849 try gfc_parse_file (void);
1851 #endif /* GCC_GFORTRAN_H */