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/*
* Program: pgn-extract: a Portable Game Notation (PGN) extractor.
* Copyright (C) 1994-2015 David Barnes
* 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; either version 1, or (at your option)
* any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* David Barnes may be contacted as D.J.Barnes@kent.ac.uk
* http://www.cs.kent.ac.uk/people/staff/djb/
*
*/
/* Define a type for lexical classification of tokens.
* Not all of these values are returned to the parser.
*/
typedef enum {
/* The first section of tokens contains those that are
* returned to the parser as complete token identifications.
*/
EOF_TOKEN, TAG, STRING, COMMENT, NAG,
CHECK_SYMBOL, MOVE_NUMBER, RAV_START, RAV_END,
MOVE, TERMINATING_RESULT,
/* The remaining tokens are those that are used to
* perform the identification. They are not handled by
* the parser.
*/
WHITESPACE, TAG_START, TAG_END, DOUBLE_QUOTE,
COMMENT_START, COMMENT_END, ANNOTATE,
DOT, PERCENT, ESCAPE, ALPHA, DIGIT,
STAR, DASH, EOS, OPERATOR, NO_TOKEN, ERROR_TOKEN
} TokenType;
typedef union {
/* This string is used to retain tag and result information. */
char *token_string;
/* Move information. */
Move *move_details;
unsigned move_number;
StringList *nags;
Variation *variation_details;
CommentList *comment;
/* An index into the Game_Header.Tags array for tag strings. */
unsigned tag_index;
} YYSTYPE;
extern YYSTYPE yylval;
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