81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/***************************************************************************
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gbc_read_common.h
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(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#ifndef __GBC_READ_COMMON_H
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#define __GBC_READ_COMMON_H
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typedef
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int PATTERN;
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enum {
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RT_END = 0,
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RT_NEWLINE = 1,
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RT_RESERVED = 2,
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RT_IDENTIFIER = 3,
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RT_NUMBER = 4,
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RT_STRING = 5,
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RT_TSTRING = 6,
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RT_PARAM = 7,
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RT_SUBR = 8,
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RT_CLASS = 9,
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RT_COMMENT = 10, /* Used by Eval() */
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RT_OPERATOR = 11, /* Used by Eval() */
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RT_OUTPUT = 0x20,
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RT_POINT = 0x40,
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RT_FIRST = 0x80
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};
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#define NULL_PATTERN ((PATTERN)0L)
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#define PATTERN_make(type, index) ((PATTERN)((type) << 24) | (index))
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#define PATTERN_flag(pattern) (((pattern) >> 24) & ~0xF)
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#define PATTERN_type(pattern) (((pattern) >> 24) & 0xF)
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#define PATTERN_index(pattern) ((pattern) & 0x00FFFFFFL)
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#define PATTERN_is(pattern, res) (pattern == PATTERN_make(RT_RESERVED, res))
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#define PATTERN_is_end(pattern) (PATTERN_type(pattern) == RT_END)
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#define PATTERN_is_reserved(pattern) (PATTERN_type(pattern) == RT_RESERVED)
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#define PATTERN_is_identifier(pattern) (PATTERN_type(pattern) == RT_IDENTIFIER)
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#define PATTERN_is_class(pattern) (PATTERN_type(pattern) == RT_CLASS)
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#define PATTERN_is_newline(pattern) (PATTERN_type(pattern) == RT_NEWLINE)
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#define PATTERN_is_param(pattern) (PATTERN_type(pattern) == RT_PARAM)
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#define PATTERN_is_subr(pattern) (PATTERN_type(pattern) == RT_SUBR)
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#define PATTERN_is_number(pattern) (PATTERN_type(pattern) == RT_NUMBER)
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#define PATTERN_is_string(pattern) (PATTERN_type(pattern) == RT_STRING)
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#define PATTERN_is_tstring(pattern) (PATTERN_type(pattern) == RT_TSTRING)
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#define PATTERN_is_newline_end(pattern) (PATTERN_is_newline(pattern) || PATTERN_is_end(pattern))
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#define PATTERN_is_first(pattern) ((PATTERN_flag(pattern) & RT_FIRST) != 0)
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#define PATTERN_is_point(pattern) ((PATTERN_flag(pattern) & RT_POINT) != 0)
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#define PATTERN_is_output(pattern) ((PATTERN_flag(pattern) & RT_OUTPUT) != 0)
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#define PATTERN_set_flag(pattern, flag) ((pattern) | (flag << 24))
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#define PATTERN_unset_flag(pattern, flag) ((pattern) & ~(flag << 24))
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#define PATTERN_is_operand(pattern) (PATTERN_is_reserved(pattern) && RES_is_operand(PATTERN_index(pattern)))
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#define PATTERN_is_type(pattern) (PATTERN_is_reserved(pattern) && RES_is_type(PATTERN_index(pattern)))
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#endif
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