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libexpr: Add and use thunk getter

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This commit is contained in:
Sergei Zimmerman 2025-06-12 19:48:42 +00:00
parent 6587e7bcff
commit 441fa86e82
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GPG key ID: A9B0B557CA632325
3 changed files with 11 additions and 8 deletions
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10
src/libexpr/eval.cc
View file

@ -160,10 +160,10 @@ bool Value::isTrivial() const
internalType != tApp
&& internalType != tPrimOpApp
&& (internalType != tThunk
|| (dynamic_cast<ExprAttrs *>(payload.thunk.expr)
&& ((ExprAttrs *) payload.thunk.expr)->dynamicAttrs.empty())
|| dynamic_cast<ExprLambda *>(payload.thunk.expr)
|| dynamic_cast<ExprList *>(payload.thunk.expr));
|| (dynamic_cast<ExprAttrs *>(thunk().expr)
&& ((ExprAttrs *) thunk().expr)->dynamicAttrs.empty())
|| dynamic_cast<ExprLambda *>(thunk().expr)
|| dynamic_cast<ExprList *>(thunk().expr));
}
@ -2163,7 +2163,7 @@ void EvalState::forceValueDeep(Value & v)
try {
// If the value is a thunk, we're evaling. Otherwise no trace necessary.
auto dts = debugRepl && i.value->isThunk()
? makeDebugTraceStacker(*this, *i.value->payload.thunk.expr, *i.value->payload.thunk.env, i.pos,
? makeDebugTraceStacker(*this, *i.value->thunk().expr, *i.value->thunk().env, i.pos,
"while evaluating the attribute '%1%'", symbols[i.name])
: nullptr;

4
src/libexpr/include/nix/expr/eval-inline.hh
View file

@ -89,9 +89,9 @@ Env & EvalState::allocEnv(size_t size)
void EvalState::forceValue(Value & v, const PosIdx pos)
{
if (v.isThunk()) {
Env * env = v.payload.thunk.env;
Env * env = v.thunk().env;
assert(env || v.isBlackhole());
Expr * expr = v.payload.thunk.expr;
Expr * expr = v.thunk().expr;
try {
v.mkBlackhole();
//checkInterrupt();

5
src/libexpr/include/nix/expr/value.hh
View file

@ -485,6 +485,9 @@ public:
Lambda lambda() const
{ return payload.lambda; }
ClosureThunk thunk() const
{ return payload.thunk; }
};
@ -492,7 +495,7 @@ extern ExprBlackHole eBlackHole;
bool Value::isBlackhole() const
{
return internalType == tThunk && payload.thunk.expr == (Expr*) &eBlackHole;
return internalType == tThunk && thunk().expr == (Expr*) &eBlackHole;
}
void Value::mkBlackhole()