99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/*
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* This file is part of pgn-extract: a Portable Game Notation (PGN) extractor.
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* Copyright (C) 1994-2022 David J. Barnes
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*
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* pgn-extract 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 3 of the License, or
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* (at your option) any later version.
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*
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* pgn-extract 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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*
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* You should have received a copy of the GNU General Public License
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* along with pgn-extract. If not, see <http://www.gnu.org/licenses/>.
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*
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* David J. Barnes may be contacted as d.j.barnes@kent.ac.uk
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* https://www.cs.kent.ac.uk/people/staff/djb/
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*/
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/* Define a type to make it easy to return where we are
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* in the input line. This type is returned from those functions
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* that may modify the line/linep pair in next_token().
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*/
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#ifndef LEX_H
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#define LEX_H
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typedef struct{
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/* Start of the malloc'ed line. */
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char *line;
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/* The next char to access in line, if line is not NULL. */
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unsigned char *linep;
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/* What token resulted. */
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TokenType token;
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} LinePair;
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/* Define a type to hold a list of input files. */
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typedef struct {
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/* The list should have a (char *)NULL on the end. */
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const char **files;
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SourceFileType *file_type;
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/* Keep track of the number of files in the list. */
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unsigned num_files;
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/* Keep track of how many the list may hold. */
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unsigned max_files;
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} FILE_LIST;
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#if 1
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#define RUSSIAN_KNIGHT_OR_KING (0x008a)
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#define RUSSIAN_KING_SECOND_LETTER (0x00e0)
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#define RUSSIAN_QUEEN (0x0094)
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#define RUSSIAN_ROOK (0x008b)
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#define RUSSIAN_BISHOP (0x0091)
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#define RUSSIAN_PAWN (0x00af)
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#else
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#define RUSSIAN_KNIGHT_OR_KING (0x00eb)
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#define RUSSIAN_KING_SECOND_LETTER (0x00d2)
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#define RUSSIAN_QUEEN (0x00e6)
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#define RUSSIAN_ROOK (0x00ec)
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#define RUSSIAN_BISHOP (0x00f3)
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#endif
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/* Define a macro for checking the value of a char against
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* one of the Russian piece letters.
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*/
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#define RUSSIAN_PIECE_CHECK(c) ((c) & 0x00ff)
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/* Shared prototypes for the non-static functions in the
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* lexical analyser.
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*/
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void add_filename_to_source_list(const char *filename,SourceFileType file_type);
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void add_filename_list_from_file(FILE *fp,SourceFileType file_type);
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unsigned current_file_number(void);
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void free_move_list(Move *move_list);
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LinePair gather_tag(char *line, unsigned char *linep);
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LinePair gather_string(char *line, unsigned char *linep);
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void init_lex_tables(void);
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const char *input_file_name(unsigned file_number);
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unsigned long get_line_number(void);
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Boolean is_character_class(unsigned char ch, TokenType character_class);
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Boolean is_suppressed_tag(TagName tag);
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char *next_input_line(FILE *fp);
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TokenType next_token(void);
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Boolean open_eco_file(const char *eco_file);
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Boolean open_first_file(void);
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void print_error_context(FILE *fp);
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char *read_line(FILE *fpin);
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void reset_line_number(void);
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void restart_lex_for_new_game(void);
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void save_assessment(const char *assess);
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TokenType skip_to_next_game(TokenType token);
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void suppress_tag(const char *tag_string);
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const char *tag_header_string(TagName tag);
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void yyerror(const char *s);
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int yywrap(void);
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#endif // LEX_H
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