Java tutorial
/* * Copyright (c) 2016 University Nice Sophia Antipolis * * This file is part of btrplace. * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.btrplace.safeplace.spec; import org.antlr.v4.runtime.Token; import org.btrplace.safeplace.spec.term.Term; import org.btrplace.safeplace.spec.term.func.Function; import org.btrplace.safeplace.spec.type.Type; import java.util.List; import java.util.stream.Collectors; /** * @author Fabien Hermenier */ public class SpecException extends RuntimeException { private final String name; private final int column; public SpecException(String name, int c, String s) { super(s); this.name = name; this.column = c; } @Override public String getMessage() { return "[" + name + ": " + column + "]: " + super.getMessage(); } public static SpecException typeMismatch(String name, int c, Type expected, Type got) { return new SpecException(name, c, "Type mismatch. Expected '" + expected + "', got '" + got + "'"); } public static SpecException unknownSymbol(String name, Token sym) { return new SpecException(name, sym.getCharPositionInLine(), "Cannot resolve symbol '" + sym.getText() + "'"); } public static SpecException unsupportedOperation(String name, Type t1, Token to, Type t2) { return new SpecException(name, to.getCharPositionInLine(), "Unsupported operation '" + t1 + " " + to.getText() + " " + t2 + "'"); } public static SpecException badFunctionCall(String name, Token t, Function f, List<Term> args) { String got = args.stream().map(x -> x.type().toString()) .collect(Collectors.joining(", ", f.id() + "(", ")")); return new SpecException(name, t.getCharPositionInLine(), "Invalid call. Expected '" + Function.toString(f) + "'. Got '" + got); } }