65 lines
2.4 KiB
PHP
65 lines
2.4 KiB
PHP
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<?php
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/*
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[The "BSD licence"]
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Copyright (c) 2005-2008 Terence Parr
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class CharStreamConst{
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public static $EOF = -1;
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}
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$CharStream_EOF = -1;
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/** A source of characters for an ANTLR lexer */
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interface CharStream extends IntStream {
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/** For infinite streams, you don't need this; primarily I'm providing
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* a useful interface for action code. Just make sure actions don't
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* use this on streams that don't support it.
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*/
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public function substring($start, $stop);
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/** Get the ith character of lookahead. This is the same usually as
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* LA(i). This will be used for labels in the generated
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* lexer code. I'd prefer to return a char here type-wise, but it's
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* probably better to be 32-bit clean and be consistent with LA.
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*/
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public function LT($i);
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/** ANTLR tracks the line information automatically */
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function getLine();
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/** Because this stream can rewind, we need to be able to reset the line */
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function setLine($line);
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function setCharPositionInLine($pos);
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/** The index of the character relative to the beginning of the line 0..n-1 */
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function getCharPositionInLine();
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}
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?>
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