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Merge pull request #4351 from Ma27/json-errtrace

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primops/fromJSON: add error position in case of parse error
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Eelco Dolstra 2020-12-14 11:27:44 +01:00 committed by GitHub
commit 27b5ff354e
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1 changed files with 6 additions and 1 deletions
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7
src/libexpr/primops.cc
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@ -1621,7 +1621,12 @@ static RegisterPrimOp primop_toJSON({
static void prim_fromJSON(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
string s = state.forceStringNoCtx(*args[0], pos);
parseJSON(state, s, v);
try {
parseJSON(state, s, v);
} catch (JSONParseError &e) {
e.addTrace(pos, "while decoding a JSON string");
throw e;
}
}
static RegisterPrimOp primop_fromJSON({