/*
* Copyright (c) 2014 Patrick Scheibe
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.halirutan.mathematica.parsing.prattparser.parselets;
import com.intellij.lang.PsiBuilder;
import de.halirutan.mathematica.parsing.ParserBundle;
import de.halirutan.mathematica.parsing.prattparser.CriticalParserError;
import de.halirutan.mathematica.parsing.prattparser.MathematicaParser;
import static de.halirutan.mathematica.parsing.MathematicaElementTypes.*;
/**
* Provides functionality to parse Association in Mathematica Created by rsmenon on 3/28/14.
*/
public class AssociationParselet implements PrefixParselet {
private final int myPrecedence;
public AssociationParselet(int precedence) {
myPrecedence = precedence;
}
@Override
public MathematicaParser.Result parse(MathematicaParser parser) throws CriticalParserError {
PsiBuilder.Marker associationMarker = parser.mark();
boolean result = true;
if (parser.matchesToken(LEFT_ASSOCIATION)) {
parser.advanceLexer();
} else {
associationMarker.drop();
throw new CriticalParserError(ParserBundle.message("Association.critical.error"));
}
MathematicaParser.Result seqResult = ParserUtil.parseSequence(parser, RIGHT_ASSOCIATION);
if (parser.matchesToken(RIGHT_ASSOCIATION)) {
parser.advanceLexer();
} else {
parser.error(ParserBundle.message("General.closing", "'|>'"));
result = false;
}
associationMarker.done(ASSOCIATION_EXPRESSION);
return MathematicaParser.result(associationMarker, ASSOCIATION_EXPRESSION, result && seqResult.isParsed());
}
public int getPrecedence() {
return myPrecedence;
}
}