diff options
Diffstat (limited to 'src/libexpr/eval.cc')
-rw-r--r-- | src/libexpr/eval.cc | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 0505c5b2420c..d8acdcb6f6e3 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -232,19 +232,6 @@ void mkPath(Value & v, const char * s) } -Value * EvalState::lookupWith(Env * env, const Symbol & name) -{ - if (!env) return 0; - Value * v = lookupWith(env->up, name); - if (v) return v; - Bindings::iterator i = env->bindings.find(sWith); - if (i == env->bindings.end()) return 0; - Bindings::iterator j = i->second.attrs->find(name); - if (j != i->second.attrs->end()) return &j->second; - return 0; -} - - Value * EvalState::lookupVar(Env * env, const Symbol & name) { /* First look for a regular variable binding for `name'. */ @@ -254,22 +241,14 @@ Value * EvalState::lookupVar(Env * env, const Symbol & name) } /* Otherwise, look for a `with' attribute set containing `name'. - Outer `withs' take precedence (i.e. `with {x=1;}; with {x=2;}; - x' evaluates to 1). */ - Value * v = lookupWith(env, name); - if (v) return v; - - /* Alternative implementation where the inner `withs' take - precedence (i.e. `with {x=1;}; with {x=2;}; x' evaluates to - 2). */ -#if 0 + Inner `withs' take precedence (i.e. `with {x=1;}; with {x=2;}; + x' evaluates to 2). */ for (Env * env2 = env; env2; env2 = env2->up) { Bindings::iterator i = env2->bindings.find(sWith); if (i == env2->bindings.end()) continue; Bindings::iterator j = i->second.attrs->find(name); if (j != i->second.attrs->end()) return &j->second; } -#endif throwEvalError("undefined variable `%1%'", name); } |