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fix debugger crashing while printing envs

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fixes #9932

(cherry picked from commit 5ccb06ee1b)
This commit is contained in:
pennae 2024-02-04 16:42:00 +01:00 committed by Linus Heckemann
parent fea2043060
commit 631b2de30f
4 changed files with 21 additions and 4 deletions
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1
.gitignore vendored
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@ -94,6 +94,7 @@ perl/Makefile.config
/tests/functional/ca/config.nix /tests/functional/ca/config.nix
/tests/functional/dyn-drv/config.nix /tests/functional/dyn-drv/config.nix
/tests/functional/repl-result-out /tests/functional/repl-result-out
/tests/functional/debugger-test-out
/tests/functional/test-libstoreconsumer/test-libstoreconsumer /tests/functional/test-libstoreconsumer/test-libstoreconsumer
# /tests/functional/lang/ # /tests/functional/lang/

4
src/libexpr/eval.cc
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@ -744,6 +744,7 @@ void printEnvBindings(const SymbolTable & st, const StaticEnv & se, const Env &
if (se.up && env.up) { if (se.up && env.up) {
std::cout << "static: "; std::cout << "static: ";
printStaticEnvBindings(st, se); printStaticEnvBindings(st, se);
if (se.isWith)
printWithBindings(st, env); printWithBindings(st, env);
std::cout << std::endl; std::cout << std::endl;
printEnvBindings(st, *se.up, *env.up, ++lvl); printEnvBindings(st, *se.up, *env.up, ++lvl);
@ -756,6 +757,7 @@ void printEnvBindings(const SymbolTable & st, const StaticEnv & se, const Env &
std::cout << st[i.first] << " "; std::cout << st[i.first] << " ";
std::cout << ANSI_NORMAL; std::cout << ANSI_NORMAL;
std::cout << std::endl; std::cout << std::endl;
if (se.isWith)
printWithBindings(st, env); // probably nothing there for the top level. printWithBindings(st, env); // probably nothing there for the top level.
std::cout << std::endl; std::cout << std::endl;
@ -778,7 +780,7 @@ void mapStaticEnvBindings(const SymbolTable & st, const StaticEnv & se, const En
if (env.up && se.up) { if (env.up && se.up) {
mapStaticEnvBindings(st, *se.up, *env.up, vm); mapStaticEnvBindings(st, *se.up, *env.up, vm);
if (!env.values[0]->isThunk()) { if (se.isWith && !env.values[0]->isThunk()) {
// add 'with' bindings. // add 'with' bindings.
Bindings::iterator j = env.values[0]->attrs->begin(); Bindings::iterator j = env.values[0]->attrs->begin();
while (j != env.values[0]->attrs->end()) { while (j != env.values[0]->attrs->end()) {

13
tests/functional/debugger.sh Normal file
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@ -0,0 +1,13 @@
source common.sh
clearStore
# regression #9932
echo ":env" | expect 1 nix eval --debugger --expr '(_: throw "oh snap") 42'
echo ":env" | expect 1 nix eval --debugger --expr '
let x.a = 1; in
with x;
(_: builtins.seq x.a (throw "oh snap")) x.a
' >debugger-test-out
grep -P 'with: .*a' debugger-test-out
grep -P 'static: .*x' debugger-test-out

3
tests/functional/local.mk
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@ -127,7 +127,8 @@ nix_tests = \
toString-path.sh \ toString-path.sh \
read-only-store.sh \ read-only-store.sh \
nested-sandboxing.sh \ nested-sandboxing.sh \
impure-env.sh impure-env.sh \
debugger.sh
ifeq ($(HAVE_LIBCPUID), 1) ifeq ($(HAVE_LIBCPUID), 1)
nix_tests += compute-levels.sh nix_tests += compute-levels.sh