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* Some refactoring of the exception handling code so that we can catch

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Nix expression assertion failures.
This commit is contained in:
Eelco Dolstra 2006-03-08 14:11:19 +00:00
parent fa72ae1e9c
commit 9088dee9e2
5 changed files with 45 additions and 22 deletions
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10
src/libexpr/primops.cc
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@ -244,8 +244,9 @@ static Expr primDerivationStrict(EvalState & state, const ATermVector & args)
try {
processBinding(state, value, drv, ss);
} catch (Error & e) {
throw Error(format("while processing the derivation attribute `%1%' at %2%:\n%3%")
% key % showPos(pos) % e.msg());
e.addPrefix(format("while processing the derivation attribute `%1%' at %2%:\n")
% key % showPos(pos));
throw;
}
/* The `args' attribute is special: it supplies the
@ -547,8 +548,9 @@ static Expr primDependencyClosure(EvalState & state, const ATermVector & args)
}
} catch (Error & e) {
throw Error(format("while finding dependencies in `%1%':\n%2%")
% path % e.msg());
e.addPrefix(format("while finding dependencies in `%1%':\n")
% path);
throw;
}
}