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Add Element Context to Exceptions #237

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Add Element Context to Exceptions #237

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16 changes: 16 additions & 0 deletions liquidjava-verifier/src/main/java/liquidjava/processor/refinement_checker/TypeChecker.java
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,22 @@ public Factory getFactory() {
return factory;
}

@Override
public void scan(CtElement element) {
try {
super.scan(element);
} catch (LJError e) {
throw e;
} catch (RuntimeException e) {
SourcePosition position = element.getPosition();
String location = position.getFile().getAbsolutePath() + ":" + position.getLine();
String expression = Utils.getExpressionFromPosition(position);
String msg = String.format("\nError while checking %s\n on %s \n at %s\n with %s",
element.getClass().getSimpleName(), expression, location, e.getMessage());
throw new RuntimeException(msg, e);
}
}

public Predicate getRefinement(CtElement elem) {
Predicate c = (Predicate) elem.getMetadata(Keys.REFINEMENT);
return c == null ? new Predicate() : c;
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