diff options
| -rw-r--r-- | src/libexpr/eval.cc | 14 | ||||
| -rw-r--r-- | src/libexpr/eval.hh | 1 |
2 files changed, 11 insertions, 4 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 18b7ef701ff4..6dd3803d8c8c 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -480,9 +480,8 @@ void EvalState::eval(Expr * e, Value & v) } -inline bool EvalState::evalBool(Env & env, Expr * e) +inline bool EvalState::evalBool(Env & env, Expr * e, Value & v) { - Value v; e->eval(*this, env, v); if (v.type != tBool) throwTypeError("value is %1% while a Boolean was expected", v); @@ -490,6 +489,13 @@ inline bool EvalState::evalBool(Env & env, Expr * e) } +inline bool EvalState::evalBool(Env & env, Expr * e) +{ + Value v; + return evalBool(env, e, v); +} + + inline void EvalState::evalAttrs(Env & env, Expr * e, Value & v) { e->eval(*this, env, v); @@ -838,13 +844,13 @@ void ExprWith::eval(EvalState & state, Env & env, Value & v) void ExprIf::eval(EvalState & state, Env & env, Value & v) { - (state.evalBool(env, cond) ? then : else_)->eval(state, env, v); + (state.evalBool(env, cond, v) ? then : else_)->eval(state, env, v); } void ExprAssert::eval(EvalState & state, Env & env, Value & v) { - if (!state.evalBool(env, cond)) + if (!state.evalBool(env, cond, v)) throwAssertionError("assertion failed at %1%", pos); body->eval(state, env, v); } diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh index cac8af877071..4e8e7e5f9ca0 100644 --- a/src/libexpr/eval.hh +++ b/src/libexpr/eval.hh @@ -145,6 +145,7 @@ public: /* Evaluation the expression, then verify that it has the expected type. */ + inline bool evalBool(Env & env, Expr * e, Value & v); inline bool evalBool(Env & env, Expr * e); inline void evalAttrs(Env & env, Expr * e, Value & v); |