InputLexerSource.cs

/*
 * Anarres C Preprocessor
 * Copyright (c) 2007-2008, Shevek
 *
 * 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 */

package org.anarres.cpp;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;

import java.util.List;
import java.util.Iterator;

import static org.anarres.cpp.Token.*;

/**
 * A {@link Source} which lexes a file.
 *
 * The input is buffered.
 *
 * @see Source
 */
public class InputLexerSource extends LexerSource {
	/**
	 * Creates a new Source for lexing the given Reader.
	 *
	 * Preprocessor directives are honoured within the file.
	 */
	public InputLexerSource(InputStream input)
						throws IOException {
		super(
			new BufferedReader(
				new InputStreamReader(
					input
				)
			),
			true
		);
	}

	@Override
	/* pp */ String getPath() {
		return "<standard-input>";
	}

	@Override
	/* pp */ String getName() {
		return "standard input";
	}

	public String toString() {
		return getPath();
	}
}