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Introduce FSInputAccessor and use it

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Backported from the lazy-trees branch. Note that this doesn't yet use
the access control features of FSInputAccessor.
This commit is contained in:
Eelco Dolstra 2023-10-18 15:32:31 +02:00
parent e92cac789f
commit ea38605d11
18 changed files with 502 additions and 126 deletions
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7
src/libexpr/nixexpr.hh
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@ -20,7 +20,6 @@ MakeError(Abort, EvalError);
MakeError(TypeError, EvalError);
MakeError(UndefinedVarError, Error);
MakeError(MissingArgumentError, EvalError);
MakeError(RestrictedPathError, Error);
/**
* Position objects.
@ -200,9 +199,13 @@ struct ExprString : Expr
struct ExprPath : Expr
{
ref<InputAccessor> accessor;
std::string s;
Value v;
ExprPath(std::string s) : s(std::move(s)) { v.mkPath(this->s.c_str()); };
ExprPath(ref<InputAccessor> accessor, std::string s) : accessor(accessor), s(std::move(s))
{
v.mkPath(&*accessor, this->s.c_str());
}
Value * maybeThunk(EvalState & state, Env & env) override;
COMMON_METHODS
};