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Merge pull request #9918 from 9999years/debugger-locals-for-let-expressions

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Expose locals from `let` expressions to the debugger
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Théophane Hufschmitt 2024-02-08 10:17:55 +01:00 committed by GitHub
parent c4ed92fa6f b63a8d7c46
commit acef4f17a2
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GPG key ID: B5690EEEBB952194
2 changed files with 12 additions and 6 deletions
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9
doc/manual/rl-next/debugger-locals-for-let-expressions.md Normal file
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@ -0,0 +1,9 @@
---
synopsis: "`--debugger` can now access bindings from `let` expressions"
prs: 9918
issues: 8827.
---
Breakpoints and errors in the bindings of a `let` expression can now access
those bindings in the debugger. Previously, only the body of `let` expressions
could access those bindings.

9
src/libexpr/nixexpr.cc
View file

@ -409,9 +409,6 @@ void ExprCall::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
void ExprLet::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{
if (es.debugRepl)
es.exprEnvs.insert(std::make_pair(this, env));
auto newEnv = std::make_shared<StaticEnv>(nullptr, env.get(), attrs->attrs.size());
Displacement displ = 0;
@ -423,6 +420,9 @@ void ExprLet::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
for (auto & i : attrs->attrs)
i.second.e->bindVars(es, i.second.inherited ? env : newEnv);
if (es.debugRepl)
es.exprEnvs.insert(std::make_pair(this, newEnv));
body->bindVars(es, newEnv);
}
@ -447,9 +447,6 @@ void ExprWith::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
break;
}
if (es.debugRepl)
es.exprEnvs.insert(std::make_pair(this, env));
attrs->bindVars(es, env);
auto newEnv = std::make_shared<StaticEnv>(this, env.get());
body->bindVars(es, newEnv);