/* $Id$ */
/* Copyright (c) 2004-2014 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix sh */
/* This program 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, version 3 of the License.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */



#ifndef SH_TOKEN_H
# define SH_TOKEN_H


/* Token */
/* types */
typedef enum _TokenCode
{
	TC_EOI = 0,
	TC_TOKEN,
	TC_WORD,
	TC_ASSIGNMENT_WORD,
	TC_NAME,
	TC_NEWLINE,
	TC_IO_NUMBER,
	TC_OP_AND_IF,
	TC_OP_AMPERSAND,
	TC_OP_OR_IF,
	TC_OP_BAR,
	TC_OP_DSEMI,
	TC_OP_SEMICOLON,
	TC_OP_DLESSDASH,
	TC_OP_DLESS,
	TC_OP_LESSAND,
	TC_OP_LESSGREAT,
	TC_OP_LESS,
	TC_OP_DGREAT,
	TC_OP_GREATAND,
	TC_OP_CLOBBER,
	TC_OP_GREAT,
	TC_RW_IF,
	TC_RW_THEN,
	TC_RW_ELSE,
	TC_RW_ELIF,
	TC_RW_FI,
	TC_RW_DO,
	TC_RW_DONE,
	TC_RW_CASE,
	TC_RW_ESAC,
	TC_RW_WHILE,
	TC_RW_UNTIL,
	TC_RW_FOR,
	TC_RW_LBRACE,
	TC_RW_RBRACE,
	TC_RW_BANG,
	TC_RW_IN,
	TC_NULL
} TokenCode;
# define TC_LAST TC_RW_IN
# define TC_COUNT (TC_LAST + 1)
extern char const * sTokenCode[TC_COUNT];

typedef struct _Token
{
	TokenCode code;
	char * string;
} Token;

typedef enum _TokenSet
{
	TS_AND_OR = 0,
	TS_CMD_NAME,
	TS_CMD_PREFIX,
	TS_CMD_SUFFIX,
	TS_CMD_WORD,
	TS_COMPOUND_COMMAND,
	TS_ELSE_PART,
	TS_FUNCTION_DEFINITION,
	TS_IO_FILE,
	TS_IO_HERE,
	TS_IO_REDIRECT,
	TS_NEWLINE_LIST,
	TS_REDIRECT_LIST,
	TS_SEPARATOR,
	TS_SEPARATOR_OP,
	TS_WORDLIST
} TokenSet;
# define TS_LAST TS_WORDLIST
# define TS_COUNT (TS_LAST + 1)


/* functions */
Token * token_new(TokenCode code, char * string);
void token_delete(Token * token);

int token_in_set(Token * token, TokenSet set);

#endif /* !SH_TOKEN_H */