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break() primop; step and go debug commands

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This commit is contained in:
Ben Burdette 2022-02-03 13:15:21 -07:00
parent 990bec78d3
commit 412d58f0bb
4 changed files with 40 additions and 2 deletions
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22
src/libexpr/primops.cc
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@ -710,6 +710,28 @@ static RegisterPrimOp primop_genericClosure(RegisterPrimOp::Info {
.fun = prim_genericClosure,
});
static RegisterPrimOp primop_break({
.name = "break",
.args = {},
.doc = R"(
In debug mode, pause Nix expression evaluation and enter the repl.
)",
.fun = [](EvalState & state, const Pos & pos, Value * * args, Value & v)
{
// PathSet context;
// string s = state.coerceToString(pos, *args[0], context);
if (debuggerHook && !state.debugTraces.empty())
{
auto &dt = state.debugTraces.front();
// std::optional<ErrPos> pos;
// const Expr &expr;
// const Env &env;
// hintformat hint;
debuggerHook(nullptr, dt.env, dt.expr);
}
}
});
static RegisterPrimOp primop_abort({
.name = "abort",
.args = {"s"},