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/* Parser header
Copyright (C) 2003 Free Software Foundaton, Inc.
Contributed by Steven Bosscher
This file is part of GNU G95.
GNU G95 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.
GNU G95 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 GNU G95; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef GFC_PARSE_H
#define GFC_PARSE_H
#include "gfortran.h"
/* Enum for what the compiler is currently doing. */
typedef enum
{
COMP_NONE, COMP_PROGRAM, COMP_MODULE, COMP_SUBROUTINE, COMP_FUNCTION,
COMP_BLOCK_DATA, COMP_INTERFACE, COMP_DERIVED, COMP_IF, COMP_DO,
COMP_SELECT, COMP_FORALL, COMP_WHERE, COMP_CONTAINS
}
gfc_compile_state;
/* Stack element for the current compilation state. These structures
are allocated as automatic variables. */
typedef struct gfc_state_data
{
gfc_compile_state state;
gfc_symbol *sym; /* Block name associated with this level */
struct gfc_code *head, *tail;
struct gfc_state_data *previous;
/* Block-specific state data. */
union
{
gfc_st_label *end_do_label;
}
ext;
}
gfc_state_data;
extern gfc_state_data *gfc_state_stack;
#define gfc_current_block() (gfc_state_stack->sym)
#define gfc_current_state() (gfc_state_stack->state)
try gfc_find_state (gfc_compile_state);
gfc_state_data *gfc_enclosing_unit (gfc_compile_state *);
const char *gfc_ascii_statement (gfc_statement);
const char *gfc_state_name (gfc_compile_state);
#endif /* GFC_PARSE_H */
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