Files
runelite/runelite-jshell/src/main/java/net/runelite/jshell/RemappingThrowable.java
2021-02-26 11:38:40 -07:00

143 lines
3.8 KiB
Java

/*
* Copyright (c) 2021 Abex
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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 net.runelite.jshell;
import com.google.common.base.Strings;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Stream;
import jdk.jshell.EvalException;
class RemappingThrowable extends Throwable
{
private final String source;
private final Map<String, Integer> offsets;
private final Throwable wrapped;
private final Map<Throwable, Throwable> dejaVu;
public RemappingThrowable(String source, Map<String, Integer> offsets, Throwable other)
{
this(source, offsets, other, new HashMap<>());
}
private RemappingThrowable(String source, Map<String, Integer> offsets, Throwable other, Map<Throwable, Throwable> dejaVu)
{
super();
this.source = source;
this.offsets = offsets;
this.wrapped = other;
this.dejaVu = dejaVu;
dejaVu.put(wrapped, this);
setStackTrace(Stream.of(wrapped.getStackTrace())
.map(e ->
{
Integer boxOffset = offsets.get(e.getFileName());
if (boxOffset == null)
{
return e;
}
int offset = boxOffset;
int line = e.getLineNumber();
for (int i = 0; i <= offset && i < source.length(); i++)
{
if (source.charAt(i) == '\n')
{
line++;
}
}
return new StackTraceElement(
Strings.isNullOrEmpty(e.getClassName()) ? "Shell" : e.getClassName(),
Strings.isNullOrEmpty(e.getMethodName()) ? "global" : e.getMethodName(),
"",
line);
})
.toArray(StackTraceElement[]::new));
if (wrapped.getCause() != null)
{
initCause(remap(wrapped.getCause()));
}
for (Throwable suppressed : wrapped.getSuppressed())
{
addSuppressed(remap(suppressed));
}
}
private Throwable remap(Throwable other)
{
Throwable remap = dejaVu.get(other);
if (remap == null)
{
remap = new RemappingThrowable(source, offsets, other, dejaVu);
// ctor inserts into the map
}
return remap;
}
@Override
public String getMessage()
{
return wrapped.getMessage();
}
@Override
public String getLocalizedMessage()
{
return wrapped.getLocalizedMessage();
}
@Override
public synchronized Throwable fillInStackTrace()
{
return this;
}
@Override
public String toString()
{
String className;
if (wrapped instanceof EvalException)
{
className = ((EvalException) wrapped).getExceptionClassName();
}
else
{
className = wrapped.getClass().getName();
}
String message = wrapped.getLocalizedMessage();
if (message == null)
{
return className;
}
return className + ": " + message;
}
}