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/*******************************************************************************
* Copyright (c) 2007 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Robert Fuhrer (rfuhrer@watson.ibm.com) - initial API and implementation
*******************************************************************************/
package org.eclipse.imp.services;
import org.eclipse.imp.language.ILanguageService;
/**
* Describes certain syntactic properties of the language used in support of certain editor features, such
* as toggling comments, fence matching, and so on.
* @author rfuhrer@watson.ibm.com
*/
public interface ILanguageSyntaxProperties extends ILanguageService {
/**
* if null, the language has no single-line comment syntax
* @return
*/
public String getSingleLineCommentPrefix();
/**
* @return the character sequence that starts a block comment, if the language has syntax for that, else null
*/
public String getBlockCommentStart();
/**
* @return the character sequence for a line in the middle of a block comment, if the language has syntax
* for that, else null
*/
public String getBlockCommentContinuation();
/**
* @return the character sequence that ends a block comment, if the language has syntax for that, else null
*/
public String getBlockCommentEnd();
/**
* If -1, there is no comment column
*/
// public int getSingleLineCommentColumn();
/**
* If -1, there is no continuation column
*/
// public int getLineContinuationColumn();
/**
* @return an array of arrays each containing a balanced pair
* of fence Strings, e.g.:
* [ [ "[" "]" ] ["(" ")" ] [ "{" "}" ] [ "/." "./" ]
*/
public String[][] getFences();
/**
* @return the set of characters that are legal in an identifier in this language
*/
public String getIdentifierConstituentChars();
/**
* @param ident an identifier
* @return the ordered set of character offsets to the individual components (e.g. words) of an identifier.
* May be null.
*/
public int[] getIdentifierComponents(String ident);
}
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