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Patch TracingPrintStream to handle Kotlin IO.

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Kotlins internal IO suite wraps the old System.out style, so descend
deeper in the stack when kotlin.io is detected.
This commit is contained in:
Arkan Emberwalker 2015-04-10 14:17:27 +01:00 committed by cpw
parent 592c9c8e42
commit 5f7c3bd72d
1 changed files with 5 additions and 1 deletions
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6
fml/src/main/java/cpw/mods/fml/common/TracingPrintStream.java
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@ -21,6 +21,7 @@ import org.apache.logging.log4j.Logger;
public class TracingPrintStream extends PrintStream {
private Logger logger;
private int BASE_DEPTH = 3;
public TracingPrintStream(Logger logger, PrintStream original) {
super(original);
@ -39,7 +40,10 @@ public class TracingPrintStream extends PrintStream {
private String getPrefix() {
StackTraceElement[] elems = Thread.currentThread().getStackTrace();
StackTraceElement elem = elems[3]; // The caller is always at depth 2, plus this call.
StackTraceElement elem = elems[BASE_DEPTH]; // The caller is always at BASE_DEPTH, including this call.
if (elem.getClassName().startsWith("kotlin.io.")) {
elem = elems[BASE_DEPTH + 2]; // Kotlins IoPackage masks origins 2 deeper in the stack.
}
return "[" + elem.getClassName() + ":" + elem.getMethodName() + ":" + elem.getLineNumber() + "]: ";
}