/* All matcher functions.
   Copyright (C) 2003 Free Software Foundation, Inc.
   Contributed by Steven Bosscher

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */


#ifndef GFC_MATCH_H
#define GFC_MATCH_H

#include "gfortran.h"

/* gfc_new_block points to the symbol of a newly matched block.  */
extern gfc_symbol *gfc_new_block;

/* Current statement label.  Zero means no statement label.  Because
   new_st can get wiped during statement matching, we have to keep it
   separate.  */
extern gfc_st_label *gfc_statement_label;

/****************** All gfc_match* routines *****************/

/* match.c */

/* Generic match subroutines */
match gfc_match_space (void);
match gfc_match_eos (void);
match gfc_match_small_literal_int (int *);
match gfc_match_st_label (gfc_st_label **, int);
match gfc_match_label (void);
match gfc_match_small_int (int *);
int gfc_match_strings (mstring *);
match gfc_match_name (char *);
match gfc_match_symbol (gfc_symbol **, int);
match gfc_match_sym_tree (gfc_symtree **, int);
match gfc_match_intrinsic_op (gfc_intrinsic_op *);
match gfc_match_char (char);
match gfc_match (const char *, ...);
match gfc_match_iterator (gfc_iterator *, int);

/* Statement matchers */
match gfc_match_program (void);
match gfc_match_pointer_assignment (void);
match gfc_match_assignment (void);
match gfc_match_if (gfc_statement *);
match gfc_match_else (void);
match gfc_match_elseif (void);
match gfc_match_do (void);
match gfc_match_cycle (void);
match gfc_match_exit (void);
match gfc_match_pause (void);
match gfc_match_stop (void);
match gfc_match_continue (void);
match gfc_match_assign (void);
match gfc_match_goto (void);

match gfc_match_allocate (void);
match gfc_match_nullify (void);
match gfc_match_deallocate (void);
match gfc_match_return (void);
match gfc_match_call (void);
match gfc_match_common (void);
match gfc_match_block_data (void);
match gfc_match_namelist (void);
match gfc_match_module (void);
match gfc_match_equivalence (void);
match gfc_match_st_function (void);
match gfc_match_case (void);
match gfc_match_select (void);
match gfc_match_where (gfc_statement *);
match gfc_match_elsewhere (void);
match gfc_match_forall (gfc_statement *);

/* Other functions.  */

gfc_common_head *gfc_get_common (const char *, int);

/* decl.c */

match gfc_match_data (void);
match gfc_match_null (gfc_expr **);
match gfc_match_kind_spec (gfc_typespec *);
match gfc_match_old_kind_spec (gfc_typespec *);

match gfc_match_end (gfc_statement *);
match gfc_match_data_decl (void);
match gfc_match_formal_arglist (gfc_symbol *, int, int);
match gfc_match_function_decl (void);
match gfc_match_entry (void);
match gfc_match_subroutine (void);
match gfc_match_derived_decl (void);

match gfc_match_implicit_none (void);
match gfc_match_implicit (void);

void gfc_set_constant_character_len (int, gfc_expr *);

/* Matchers for attribute declarations */
match gfc_match_allocatable (void);
match gfc_match_dimension (void);
match gfc_match_external (void);
match gfc_match_intent (void);
match gfc_match_intrinsic (void);
match gfc_match_optional (void);
match gfc_match_parameter (void);
match gfc_match_pointer (void);
match gfc_match_private (gfc_statement *);
match gfc_match_public (gfc_statement *);
match gfc_match_save (void);
match gfc_match_modproc (void);
match gfc_match_target (void);

/* primary.c */
match gfc_match_structure_constructor (gfc_symbol *, gfc_expr **);
match gfc_match_rvalue (gfc_expr **);
match gfc_match_variable (gfc_expr **, int);
match gfc_match_actual_arglist (int, gfc_actual_arglist **);
match gfc_match_literal_constant (gfc_expr **, int);

/* expr.c -- FIXME: this one should be eliminated by moving the
   matcher to matchexp.c and a call to a new function in expr.c that
   only makes sure the init expr. is valid.  */
match gfc_match_init_expr (gfc_expr **);

/* array.c */
match gfc_match_array_spec (gfc_array_spec **);
match gfc_match_array_ref (gfc_array_ref *, gfc_array_spec *, int);
match gfc_match_array_constructor (gfc_expr **);

/* interface.c */
match gfc_match_generic_spec (interface_type *, char *, gfc_intrinsic_op *);
match gfc_match_interface (void);
match gfc_match_end_interface (void);

/* io.c  */
match gfc_match_format (void);
match gfc_match_open (void);
match gfc_match_close (void);
match gfc_match_endfile (void);
match gfc_match_backspace (void);
match gfc_match_rewind (void);
match gfc_match_inquire (void);
match gfc_match_read (void);
match gfc_match_write (void);
match gfc_match_print (void);

/* matchexp.c */
match gfc_match_defined_op_name (char *, int);
match gfc_match_expr (gfc_expr **);

/* module.c */
match gfc_match_use (void);
void gfc_use_module (void);

#endif  /* GFC_MATCH_H  */