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add factory method with lineNumber

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This commit is contained in:
Volker Berlin 2017-03-21 17:35:06 +01:00
parent 9baf237b4b
commit 82f41cbcd5
1 changed files with 19 additions and 2 deletions
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21
src/de/inetsoftware/jwebassembly/WasmException.java
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@ -23,7 +23,7 @@ package de.inetsoftware.jwebassembly;
*/ */
public class WasmException extends Exception { public class WasmException extends Exception {
private final int lineNumber; private int lineNumber;
/** /**
* Create a new instance. * Create a new instance.
@ -44,11 +44,28 @@ public class WasmException extends Exception {
* @param cause * @param cause
* the cause * the cause
*/ */
WasmException( Throwable cause ) { private WasmException( Throwable cause ) {
super( cause ); super( cause );
lineNumber = -1; lineNumber = -1;
} }
/**
* Create a wrapped exception needed.
*
* @param cause
* the wrapped cause
* @param lineNumber
* the line number in Java Code
* @return a new instance
*/
public static WasmException create( Throwable cause, int lineNumber ) {
WasmException wasmEx = create( cause );
if( wasmEx.lineNumber < 0 ) {
wasmEx.lineNumber = lineNumber;
}
return wasmEx;
}
/** /**
* Create a wrapped exception needed. * Create a wrapped exception needed.
* *