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Add EvalState::getBuiltins

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This commit is contained in:
Robert Hensing 2024-11-19 18:23:05 +01:00
parent a58e38dab7
commit 8a36d2d8a7
4 changed files with 43 additions and 2 deletions
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8
src/libexpr/eval.cc
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@ -523,13 +523,19 @@ Value * EvalState::addPrimOp(PrimOp && primOp)
}
Value & EvalState::getBuiltins()
{
return *baseEnv.values[0];
}
Value & EvalState::getBuiltin(const std::string & name)
{
auto it = baseEnv.values[0]->attrs()->get(symbols.create(name));
if (it)
return *it->value;
else
throw EvalError("builtin '%1%' not found", name);
error<EvalError>("builtin '%1%' not found", name).debugThrow();
}

6
src/libexpr/eval.hh
View file

@ -630,6 +630,12 @@ public:
*/
Value & getBuiltin(const std::string & name);
/**
* Retrieve the `builtins` attrset, equivalent to evaluating the reference `builtins`.
* Always returns an attribute set value.
*/
Value & getBuiltins();
struct Doc
{
Pos pos;