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optinoal error; compiles

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This commit is contained in:
Ben Burdette 2022-01-08 11:03:48 -07:00
parent c51b527c28
commit a963674d88
5 changed files with 42 additions and 37 deletions
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9
src/libcmd/command.cc
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@ -63,7 +63,7 @@ EvalCommand::EvalCommand()
});
}
extern std::function<void(const Error & error, const Env & env, const Expr & expr)> debuggerHook;
extern std::function<void(const Error * error, const Env & env, const Expr & expr)> debuggerHook;
ref<EvalState> EvalCommand::getEvalState()
{
@ -76,13 +76,14 @@ ref<EvalState> EvalCommand::getEvalState()
#endif
searchPath, getEvalStore(), getStore());
if (startReplOnEvalErrors)
debuggerHook = [evalState{ref<EvalState>(evalState)}](const Error & error, const Env & env, const Expr & expr) {
printError("%s\n\n" ANSI_BOLD "Starting REPL to allow you to inspect the current state of the evaluator.\n" ANSI_NORMAL, error.what());
debuggerHook = [evalState{ref<EvalState>(evalState)}](const Error * error, const Env & env, const Expr & expr) {
if (error)
printError("%s\n\n" ANSI_BOLD "Starting REPL to allow you to inspect the current state of the evaluator.\n" ANSI_NORMAL, error->what());
if (expr.staticenv)
{
auto vm = mapStaticEnvBindings(*expr.staticenv.get(), env);
runRepl(evalState, &error, expr, *vm);
runRepl(evalState, error, expr, *vm);
}
};
}

24
src/libcmd/repl.cc
View file

@ -917,19 +917,23 @@ void runRepl(
{
auto repl = std::make_unique<NixRepl>(evalState);
repl->debugError = debugError;
// repl->debugError = debugError;
repl->initEnv();
// tack on a final DebugTrace for the error position.
DebugTraceStacker ldts(
*evalState,
DebugTrace
{.pos = debugError->info().errPos,
.expr = expr,
.env = *repl->env,
.hint = debugError->info().msg
});
// auto dts = debugError ?
// std::unique_ptr<DebugTraceStacker>(
// // tack on a final DebugTrace for the error position.
// new DebugTraceStacker(
// *evalState,
// DebugTrace
// {.pos = debugError->info().errPos,
// .expr = expr,
// .env = *repl->env,
// .hint = debugError->info().msg
// })
// )
// : nullptr;
// add 'extra' vars.
std::set<std::string> names;