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findAlongAttrPath(): Throw AttrPathNotFound

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(cherry picked from commit 6b0ca8e803)
This commit is contained in:
Eelco Dolstra 2019-04-08 14:20:58 +02:00
parent edc34cc1a2
commit 1eb952d27a
2 changed files with 4 additions and 2 deletions
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4
src/libexpr/attr-path.cc
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@ -70,7 +70,7 @@ Value * findAlongAttrPath(EvalState & state, const string & attrPath,
Bindings::iterator a = v->attrs->find(state.symbols.create(attr));
if (a == v->attrs->end())
throw Error(format("attribute '%1%' in selection path '%2%' not found") % attr % attrPath);
throw AttrPathNotFound("attribute '%1%' in selection path '%2%' not found", attr, attrPath);
v = &*a->value;
}
@ -82,7 +82,7 @@ Value * findAlongAttrPath(EvalState & state, const string & attrPath,
% attrPath % showType(*v));
if (attrIndex >= v->listSize())
throw Error(format("list index %1% in selection path '%2%' is out of range") % attrIndex % attrPath);
throw AttrPathNotFound("list index %1% in selection path '%2%' is out of range", attrIndex, attrPath);
v = v->listElems()[attrIndex];
}

2
src/libexpr/attr-path.hh
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@ -7,6 +7,8 @@
namespace nix {
MakeError(AttrPathNotFound, Error);
Value * findAlongAttrPath(EvalState & state, const string & attrPath,
Bindings & autoArgs, Value & vIn);