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/* Parser header
Copyright (C) 2003, 2004, 2005, 2006 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, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, 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, COMP_ENUM,
COMP_OMP_STRUCTURED_BLOCK
}
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 */
gfc_symtree *do_variable; /* For DO blocks the iterator variable. */
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)
int gfc_check_do_variable (gfc_symtree *);
try gfc_find_state (gfc_compile_state);
gfc_state_data *gfc_enclosing_unit (gfc_compile_state *);
const char *gfc_ascii_statement (gfc_statement);
match gfc_match_enum (void);
match gfc_match_enumerator_def (void);
void gfc_free_enum_history (void);
#endif /* GFC_PARSE_H */
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