Provide a more useful error message when a dynamic attr lookup fails
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@ -757,8 +757,16 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
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}
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} else {
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state.forceAttrs(*vAttrs, pos);
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if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end())
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throwEvalError("attribute `%1%' missing, at %2%", showAttrPath(attrPath), pos);
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if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end()) {
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AttrPath staticPath;
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AttrPath::const_iterator j;
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for (j = attrPath.begin(); j != i; ++j)
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staticPath.push_back(AttrName(getName(*j, state, env)));
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staticPath.push_back(AttrName(getName(*j, state, env)));
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for (j = j + 1; j != attrPath.end(); ++j)
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staticPath.push_back(*j);
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throwEvalError("attribute `%1%' missing, at %2%", showAttrPath(staticPath), pos);
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}
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}
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vAttrs = j->value;
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pos2 = j->pos;
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