/*
* [The "BSD license"]
* Copyright (c) 2012 Terence Parr
* Copyright (c) 2012 Sam Harwell
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.antlr.v4.test;
import org.antlr.v4.Tool;
import org.antlr.v4.runtime.misc.Utils;
import org.antlr.v4.tool.ANTLRMessage;
import org.antlr.v4.tool.ANTLRToolListener;
import org.antlr.v4.tool.ToolMessage;
import org.stringtemplate.v4.ST;
import java.util.ArrayList;
import java.util.List;
public class ErrorQueue implements ANTLRToolListener {
public final Tool tool;
public final List<String> infos = new ArrayList<String>();
public final List<ANTLRMessage> errors = new ArrayList<ANTLRMessage>();
public final List<ANTLRMessage> warnings = new ArrayList<ANTLRMessage>();
public final List<ANTLRMessage> all = new ArrayList<ANTLRMessage>();
public ErrorQueue() {
this(null);
}
public ErrorQueue(Tool tool) {
this.tool = tool;
}
@Override
public void info(String msg) {
infos.add(msg);
}
@Override
public void error(ANTLRMessage msg) {
errors.add(msg);
all.add(msg);
}
@Override
public void warning(ANTLRMessage msg) {
warnings.add(msg);
all.add(msg);
}
public void error(ToolMessage msg) {
errors.add(msg);
all.add(msg);
}
public int size() {
return all.size() + infos.size();
}
@Override
public String toString() {
return toString(false);
}
public String toString(boolean rendered) {
if (!rendered) {
return Utils.join(all.iterator(), "\n");
}
if (tool == null) {
throw new IllegalStateException(String.format("No %s instance is available.", Tool.class.getName()));
}
StringBuilder buf = new StringBuilder();
for (ANTLRMessage m : all) {
ST st = tool.errMgr.getMessageTemplate(m);
buf.append(st.render());
buf.append("\n");
}
return buf.toString();
}
}