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* Copyright (C) Codehaus.org *
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* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
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package net.ion.rosetta;
final class NestedParser<T> extends Parser<T> {
private final Parser<Token[]> lexer;
private final Parser<? extends T> parser;
NestedParser(Parser<Token[]> lexer, Parser<? extends T> p) {
this.lexer = lexer;
this.parser = p;
}
@Override
boolean apply(ParseContext ctxt) {
if (!lexer.run(ctxt))
return false;
Token[] tokens = lexer.getReturn(ctxt);
ParserState parserState = new ParserState(ctxt.module, ctxt.source, tokens, 0, ctxt.locator, ctxt.getIndex(), tokens);
return ParserInternals.runNestedParser(ctxt, parserState, parser);
}
@Override
public String toString() {
return parser.toString();
}
}