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Add detailed error mesage for coerceTo{String,Path}

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This commit is contained in:
Guillaume Maudoux 2022-03-04 21:47:58 +01:00
parent be1f069746
commit 3a5855353e
14 changed files with 79 additions and 66 deletions
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src/libexpr/value.hh
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@ -85,7 +85,7 @@ class ExternalValueBase
/* Coerce the value to a string. Defaults to uncoercable, i.e. throws an
* error.
*/
virtual std::string coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore) const;
virtual std::string coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore, const std::string & errorCtx) const;
/* Compare to another value of the same type. Defaults to uncomparable,
* i.e. always false.