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* New primop: abort "error message".

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This commit is contained in:
Eelco Dolstra 2006-08-23 15:46:00 +00:00
parent 4a053bfdfd
commit 38f18aa6d4
4 changed files with 12 additions and 2 deletions
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8
src/libexpr/primops.cc
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@ -629,6 +629,13 @@ static Expr primDependencyClosure(EvalState & state, const ATermVector & args)
}
static Expr primAbort(EvalState & state, const ATermVector & args)
{
throw Abort(format("evaluation aborted with the following error message: %1%") %
evalString(state, args[0]));
}
/* Apply a function to every element of a list. */
static Expr primMap(EvalState & state, const ATermVector & args)
{
@ -700,6 +707,7 @@ void EvalState::addPrimOps()
addPrimOp("toString", 1, primToString);
addPrimOp("isNull", 1, primIsNull);
addPrimOp("dependencyClosure", 1, primDependencyClosure);
addPrimOp("abort", 1, primAbort);
addPrimOp("map", 2, primMap);
addPrimOp("removeAttrs", 2, primRemoveAttrs);