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doc-comment ExprSelect's fields

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Change-Id: I63e79991a4bab93421266785e9258e0f5bb89b8f
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Qyriad 2024-06-22 18:52:28 -06:00
parent da4e46dd1f
commit e09cc60df9
1 changed files with 11 additions and 1 deletions
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12
src/libexpr/nixexpr.hh
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@ -157,8 +157,18 @@ struct ExprInheritFrom : ExprVar
struct ExprSelect : Expr
{
PosIdx pos;
std::unique_ptr<Expr> e, def;
/** The expression attributes are being selected on. e.g. `foo` in `foo.bar.baz`. */
std::unique_ptr<Expr> e;
/** A default value specified with `or`, if the selected attr doesn't exist.
* e.g. `bix` in `foo.bar.baz or bix`
*/
std::unique_ptr<Expr> def;
/** The path of attributes being selected. e.g. `bar.baz` in `foo.bar.baz.` */
AttrPath attrPath;
ExprSelect(const PosIdx & pos, std::unique_ptr<Expr> e, AttrPath attrPath, std::unique_ptr<Expr> def) : pos(pos), e(std::move(e)), def(std::move(def)), attrPath(std::move(attrPath)) { };
ExprSelect(const PosIdx & pos, std::unique_ptr<Expr> e, Symbol name) : pos(pos), e(std::move(e)) { attrPath.push_back(AttrName(name)); };
PosIdx getPos() const override { return pos; }