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'debugMode'

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This commit is contained in:
Ben Burdette 2022-05-19 17:01:23 -06:00
parent 7ddef73d02
commit 0600df86b8
7 changed files with 103 additions and 69 deletions
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49
src/libcmd/command.cc
View file

@ -118,32 +118,35 @@ ref<EvalState> EvalCommand::getEvalState()
searchPath, getEvalStore(), getStore()) searchPath, getEvalStore(), getStore())
#endif #endif
; ;
evalState->debugMode = startReplOnEvalErrors;
// TODO move this somewhere else. Its only here to get the evalState ptr! // TODO move this somewhere else. Its only here to get the evalState ptr!
if (startReplOnEvalErrors) // if (startReplOnEvalErrors)
// debuggerHook = [evalState{ref<EvalState>(evalState)}](const Error * error, const Env & env, const Expr & expr) {
debuggerHook = [](EvalState & evalState, const Error * error, const Env & env, const Expr & expr) { // // debuggerHook = [evalState{ref<EvalState>(evalState)}](const Error * error, const Env & env, const Expr & expr) {
auto dts = // debuggerHook = [](EvalState & evalState, const Error * error, const Env & env, const Expr & expr) {
error && expr.getPos() // auto dts =
? std::make_unique<DebugTraceStacker>( // error && expr.getPos()
evalState, // ? std::make_unique<DebugTraceStacker>(
DebugTrace { // evalState,
.pos = error->info().errPos ? *error->info().errPos : evalState.positions[expr.getPos()], // DebugTrace {
.expr = expr, // .pos = error->info().errPos ? *error->info().errPos : evalState.positions[expr.getPos()],
.env = env, // .expr = expr,
.hint = error->info().msg, // .env = env,
.isError = true // .hint = error->info().msg,
}) // .isError = true
: nullptr; // })
// : nullptr;
if (error) // 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()); // printError("%s\n\n" ANSI_BOLD "Starting REPL to allow you to inspect the current state of the evaluator.\n" ANSI_NORMAL, error->what());
auto se = evalState.getStaticEnv(expr); // auto se = evalState.getStaticEnv(expr);
if (se) { // if (se) {
auto vm = mapStaticEnvBindings(evalState.symbols, *se.get(), env); // auto vm = mapStaticEnvBindings(evalState.symbols, *se.get(), env);
runRepl(evalState, *vm); // runRepl(evalState, *vm);
} // }
}; // };
} }
return ref<EvalState>(evalState); return ref<EvalState>(evalState);
} }

14
src/libcmd/repl.cc
View file

@ -280,7 +280,7 @@ void NixRepl::mainLoop(const std::vector<std::string> & files)
// in debugger mode, an EvalError should trigger another repl session. // in debugger mode, an EvalError should trigger another repl session.
// when that session returns the exception will land here. No need to show it again; // when that session returns the exception will land here. No need to show it again;
// show the error for this repl session instead. // show the error for this repl session instead.
if (debuggerHook && !state->debugTraces.empty()) if (state->debugMode && !state->debugTraces.empty())
showDebugTrace(std::cout, state->positions, state->debugTraces.front()); showDebugTrace(std::cout, state->positions, state->debugTraces.front());
else else
printMsg(lvlError, e.msg()); printMsg(lvlError, e.msg());
@ -493,7 +493,7 @@ bool NixRepl::processLine(std::string line)
<< " :log <expr> Show logs for a derivation\n" << " :log <expr> Show logs for a derivation\n"
<< " :te [bool] Enable, disable or toggle showing traces for errors\n" << " :te [bool] Enable, disable or toggle showing traces for errors\n"
; ;
if (debuggerHook) { if (state->debugMode) {
std::cout std::cout
<< "\n" << "\n"
<< " Debug mode commands\n" << " Debug mode commands\n"
@ -508,14 +508,14 @@ bool NixRepl::processLine(std::string line)
} }
else if (debuggerHook && (command == ":bt" || command == ":backtrace")) { else if (state->debugMode && (command == ":bt" || command == ":backtrace")) {
for (const auto & [idx, i] : enumerate(state->debugTraces)) { for (const auto & [idx, i] : enumerate(state->debugTraces)) {
std::cout << "\n" << ANSI_BLUE << idx << ANSI_NORMAL << ": "; std::cout << "\n" << ANSI_BLUE << idx << ANSI_NORMAL << ": ";
showDebugTrace(std::cout, state->positions, i); showDebugTrace(std::cout, state->positions, i);
} }
} }
else if (debuggerHook && (command == ":env")) { else if (state->debugMode && (command == ":env")) {
for (const auto & [idx, i] : enumerate(state->debugTraces)) { for (const auto & [idx, i] : enumerate(state->debugTraces)) {
if (idx == debugTraceIndex) { if (idx == debugTraceIndex) {
printEnvBindings(*state, i.expr, i.env); printEnvBindings(*state, i.expr, i.env);
@ -524,7 +524,7 @@ bool NixRepl::processLine(std::string line)
} }
} }
else if (debuggerHook && (command == ":st")) { else if (state->debugMode && (command == ":st")) {
try { try {
// change the DebugTrace index. // change the DebugTrace index.
debugTraceIndex = stoi(arg); debugTraceIndex = stoi(arg);
@ -542,13 +542,13 @@ bool NixRepl::processLine(std::string line)
} }
} }
else if (debuggerHook && (command == ":s" || command == ":step")) { else if (state->debugMode && (command == ":s" || command == ":step")) {
// set flag to stop at next DebugTrace; exit repl. // set flag to stop at next DebugTrace; exit repl.
state->debugStop = true; state->debugStop = true;
return false; return false;
} }
else if (debuggerHook && (command == ":c" || command == ":continue")) { else if (state->debugMode && (command == ":c" || command == ":continue")) {
// set flag to run to next breakpoint or end of program; exit repl. // set flag to run to next breakpoint or end of program; exit repl.
state->debugStop = false; state->debugStop = false;
return false; return false;

38
src/libexpr/eval.cc
View file

@ -463,6 +463,7 @@ EvalState::EvalState(
, emptyBindings(0) , emptyBindings(0)
, store(store) , store(store)
, buildStore(buildStore ? buildStore : store) , buildStore(buildStore ? buildStore : store)
, debugMode(false)
, debugStop(false) , debugStop(false)
, debugQuit(false) , debugQuit(false)
, regexCache(makeRegexCache()) , regexCache(makeRegexCache())
@ -810,6 +811,31 @@ std::unique_ptr<ValMap> mapStaticEnvBindings(const SymbolTable & st, const Stati
return vm; return vm;
} }
void EvalState::debugRepl(const Error * error, const Env & env, const Expr & expr)
{
auto dts =
error && expr.getPos()
? std::make_unique<DebugTraceStacker>(
*this,
DebugTrace {
.pos = error->info().errPos ? *error->info().errPos : positions[expr.getPos()],
.expr = expr,
.env = env,
.hint = error->info().msg,
.isError = true
})
: nullptr;
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());
auto se = getStaticEnv(expr);
if (se) {
auto vm = mapStaticEnvBindings(symbols, *se.get(), env);
runRepl(*this, *vm);
}
}
/* Every "format" object (even temporary) takes up a few hundred bytes /* Every "format" object (even temporary) takes up a few hundred bytes
of stack space, which is a real killer in the recursive of stack space, which is a real killer in the recursive
evaluator. So here are some helper functions for throwing evaluator. So here are some helper functions for throwing
@ -1043,8 +1069,8 @@ DebugTraceStacker::DebugTraceStacker(EvalState & evalState, DebugTrace t)
, trace(std::move(t)) , trace(std::move(t))
{ {
evalState.debugTraces.push_front(trace); evalState.debugTraces.push_front(trace);
if (evalState.debugStop && debuggerHook) if (evalState.debugStop && evalState.debugMode)
debuggerHook(evalState, nullptr, trace.env, trace.expr); evalState.debugRepl(nullptr, trace.env, trace.expr);
} }
void Value::mkString(std::string_view s) void Value::mkString(std::string_view s)
@ -1241,7 +1267,7 @@ void EvalState::cacheFile(
fileParseCache[resolvedPath] = e; fileParseCache[resolvedPath] = e;
try { try {
auto dts = debuggerHook auto dts = debugMode
? makeDebugTraceStacker( ? makeDebugTraceStacker(
*this, *this,
*e, *e,
@ -1475,7 +1501,7 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
e->eval(state, env, vTmp); e->eval(state, env, vTmp);
try { try {
auto dts = debuggerHook auto dts = state.debugMode
? makeDebugTraceStacker( ? makeDebugTraceStacker(
state, state,
*this, *this,
@ -1644,7 +1670,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
/* Evaluate the body. */ /* Evaluate the body. */
try { try {
auto dts = debuggerHook auto dts = debugMode
? makeDebugTraceStacker( ? makeDebugTraceStacker(
*this, *lambda.body, env2, positions[lambda.pos], *this, *lambda.body, env2, positions[lambda.pos],
"while evaluating %s", "while evaluating %s",
@ -2072,7 +2098,7 @@ void EvalState::forceValueDeep(Value & v)
for (auto & i : *v.attrs) for (auto & i : *v.attrs)
try { try {
// If the value is a thunk, we're evaling. Otherwise no trace necessary. // If the value is a thunk, we're evaling. Otherwise no trace necessary.
auto dts = debuggerHook && i.value->isThunk() auto dts = debugMode && i.value->isThunk()
? makeDebugTraceStacker(*this, *i.value->thunk.expr, *i.value->thunk.env, positions[i.pos], ? makeDebugTraceStacker(*this, *i.value->thunk.expr, *i.value->thunk.env, positions[i.pos],
"while evaluating the attribute '%1%'", symbols[i.name]) "while evaluating the attribute '%1%'", symbols[i.name])
: nullptr; : nullptr;

19
src/libexpr/eval.hh
View file

@ -25,9 +25,6 @@ enum RepairFlag : bool;
typedef void (* PrimOpFun) (EvalState & state, const PosIdx pos, Value * * args, Value & v); typedef void (* PrimOpFun) (EvalState & state, const PosIdx pos, Value * * args, Value & v);
void printEnvBindings(const EvalState &es, const Expr & expr, const Env & env);
void printEnvBindings(const SymbolTable & st, const StaticEnv & se, const Env & env, int lvl = 0);
struct PrimOp struct PrimOp
{ {
PrimOpFun fun; PrimOpFun fun;
@ -51,6 +48,11 @@ struct Env
Value * values[0]; Value * values[0];
}; };
extern void runRepl(ref<EvalState> evalState, const ValMap & extraEnv);
void printEnvBindings(const EvalState &es, const Expr & expr, const Env & env);
void printEnvBindings(const SymbolTable & st, const StaticEnv & se, const Env & env, int lvl = 0);
std::unique_ptr<ValMap> mapStaticEnvBindings(const SymbolTable & st, const StaticEnv & se, const Env & env); std::unique_ptr<ValMap> mapStaticEnvBindings(const SymbolTable & st, const StaticEnv & se, const Env & env);
void copyContext(const Value & v, PathSet & context); void copyContext(const Value & v, PathSet & context);
@ -127,6 +129,7 @@ public:
RootValue vImportedDrvToDerivation = nullptr; RootValue vImportedDrvToDerivation = nullptr;
/* Debugger */ /* Debugger */
bool debugMode;
bool debugStop; bool debugStop;
bool debugQuit; bool debugQuit;
std::list<DebugTrace> debugTraces; std::list<DebugTrace> debugTraces;
@ -140,13 +143,14 @@ public:
return std::shared_ptr<const StaticEnv>();; return std::shared_ptr<const StaticEnv>();;
} }
void debugRepl(const Error * error, const Env & env, const Expr & expr);
template<class E> template<class E>
[[gnu::noinline, gnu::noreturn]] [[gnu::noinline, gnu::noreturn]]
void debugThrow(const E &error, const Env & env, const Expr & expr) void debugThrow(const E &error, const Env & env, const Expr & expr)
{ {
if (debuggerHook) if (debugMode)
debuggerHook(*this, &error, env, expr); debugRepl(&error, env, expr);
throw error; throw error;
} }
@ -158,14 +162,15 @@ public:
// Call this in the situation where Expr and Env are inaccessible. // Call this in the situation where Expr and Env are inaccessible.
// The debugger will start in the last context that's in the // The debugger will start in the last context that's in the
// DebugTrace stack. // DebugTrace stack.
if (debuggerHook && !debugTraces.empty()) { if (debugMode && !debugTraces.empty()) {
const DebugTrace & last = debugTraces.front(); const DebugTrace & last = debugTraces.front();
debuggerHook(*this, &e, last.env, last.expr); debugRepl(&e, last.env, last.expr);
} }
throw e; throw e;
} }
private: private:
SrcToStore srcToStore; SrcToStore srcToStore;

40
src/libexpr/nixexpr.cc
View file

@ -10,7 +10,7 @@ namespace nix {
/* Launch the nix debugger */ /* Launch the nix debugger */
std::function<void(EvalState & evalState,const Error * error, const Env & env, const Expr & expr)> debuggerHook; // std::function<void(EvalState & evalState,const Error * error, const Env & env, const Expr & expr)> debuggerHook;
/* Displaying abstract syntax trees. */ /* Displaying abstract syntax trees. */
@ -303,31 +303,31 @@ void Expr::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env
void ExprInt::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprInt::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
} }
void ExprFloat::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprFloat::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
} }
void ExprString::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprString::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
} }
void ExprPath::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprPath::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
} }
void ExprVar::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprVar::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
/* Check whether the variable appears in the environment. If so, /* Check whether the variable appears in the environment. If so,
@ -363,7 +363,7 @@ void ExprVar::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
void ExprSelect::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprSelect::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
e->bindVars(es, env); e->bindVars(es, env);
@ -375,7 +375,7 @@ void ExprSelect::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv>
void ExprOpHasAttr::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprOpHasAttr::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
e->bindVars(es, env); e->bindVars(es, env);
@ -386,7 +386,7 @@ void ExprOpHasAttr::bindVars(EvalState & es, const std::shared_ptr<const StaticE
void ExprAttrs::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprAttrs::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
if (recursive) { if (recursive) {
@ -419,7 +419,7 @@ void ExprAttrs::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv>
void ExprList::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprList::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
for (auto & i : elems) for (auto & i : elems)
@ -428,7 +428,7 @@ void ExprList::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
void ExprLambda::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprLambda::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
auto newEnv = std::make_shared<StaticEnv>( auto newEnv = std::make_shared<StaticEnv>(
@ -455,7 +455,7 @@ void ExprLambda::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv>
void ExprCall::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprCall::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
fun->bindVars(es, env); fun->bindVars(es, env);
@ -465,7 +465,7 @@ void ExprCall::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
void ExprLet::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprLet::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
auto newEnv = std::make_shared<StaticEnv>(false, env.get(), attrs->attrs.size()); auto newEnv = std::make_shared<StaticEnv>(false, env.get(), attrs->attrs.size());
@ -484,7 +484,7 @@ void ExprLet::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
void ExprWith::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprWith::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
/* Does this `with' have an enclosing `with'? If so, record its /* Does this `with' have an enclosing `with'? If so, record its
@ -499,7 +499,7 @@ void ExprWith::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
break; break;
} }
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
attrs->bindVars(es, env); attrs->bindVars(es, env);
@ -509,7 +509,7 @@ void ExprWith::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> &
void ExprIf::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprIf::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
cond->bindVars(es, env); cond->bindVars(es, env);
@ -519,7 +519,7 @@ void ExprIf::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & e
void ExprAssert::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprAssert::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
cond->bindVars(es, env); cond->bindVars(es, env);
@ -528,7 +528,7 @@ void ExprAssert::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv>
void ExprOpNot::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprOpNot::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
e->bindVars(es, env); e->bindVars(es, env);
@ -536,7 +536,7 @@ void ExprOpNot::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv>
void ExprConcatStrings::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprConcatStrings::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
for (auto & i : *this->es) for (auto & i : *this->es)
@ -545,7 +545,7 @@ void ExprConcatStrings::bindVars(EvalState & es, const std::shared_ptr<const Sta
void ExprPos::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env) void ExprPos::bindVars(EvalState & es, const std::shared_ptr<const StaticEnv> & env)
{ {
if (debuggerHook) if (es.debugMode)
es.exprEnvs.insert(std::make_pair(this, env)); es.exprEnvs.insert(std::make_pair(this, env));
} }

2
src/libexpr/nixexpr.hh
View file

@ -22,7 +22,7 @@ MakeError(UndefinedVarError, Error);
MakeError(MissingArgumentError, EvalError); MakeError(MissingArgumentError, EvalError);
MakeError(RestrictedPathError, Error); MakeError(RestrictedPathError, Error);
extern std::function<void(EvalState & evalState, const Error * error, const Env & env, const Expr & expr)> debuggerHook; // extern std::function<void(EvalState & evalState, const Error * error, const Env & env, const Expr & expr)> debuggerHook;
/* Position objects. */ /* Position objects. */

10
src/libexpr/primops.cc
View file

@ -757,7 +757,7 @@ static RegisterPrimOp primop_break({
)", )",
.fun = [](EvalState & state, const PosIdx pos, Value * * args, Value & v) .fun = [](EvalState & state, const PosIdx pos, Value * * args, Value & v)
{ {
if (debuggerHook && !state.debugTraces.empty()) { if (state.debugMode && !state.debugTraces.empty()) {
auto error = Error(ErrorInfo { auto error = Error(ErrorInfo {
.level = lvlInfo, .level = lvlInfo,
.msg = hintfmt("breakpoint reached"), .msg = hintfmt("breakpoint reached"),
@ -765,7 +765,7 @@ static RegisterPrimOp primop_break({
}); });
auto & dt = state.debugTraces.front(); auto & dt = state.debugTraces.front();
debuggerHook(state, &error, dt.env, dt.expr); state.debugRepl(&error, dt.env, dt.expr);
if (state.debugQuit) { if (state.debugQuit) {
// If the user elects to quit the repl, throw an exception. // If the user elects to quit the repl, throw an exception.
@ -879,8 +879,8 @@ static RegisterPrimOp primop_floor({
static void prim_tryEval(EvalState & state, const PosIdx pos, Value * * args, Value & v) static void prim_tryEval(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{ {
auto attrs = state.buildBindings(2); auto attrs = state.buildBindings(2);
auto saveDebuggerHook = debuggerHook; auto saveDebugMode = state.debugMode;
debuggerHook = nullptr; state.debugMode = false;
try { try {
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
attrs.insert(state.sValue, args[0]); attrs.insert(state.sValue, args[0]);
@ -889,7 +889,7 @@ static void prim_tryEval(EvalState & state, const PosIdx pos, Value * * args, Va
attrs.alloc(state.sValue).mkBool(false); attrs.alloc(state.sValue).mkBool(false);
attrs.alloc("success").mkBool(false); attrs.alloc("success").mkBool(false);
} }
debuggerHook = saveDebuggerHook; state.debugMode = saveDebugMode;
v.mkAttrs(attrs); v.mkAttrs(attrs);
} }