diff options
Diffstat (limited to 'src/libexpr/primops.cc')
| -rw-r--r-- | src/libexpr/primops.cc | 70 |
1 files changed, 34 insertions, 36 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 973670e68384..c7709ca9eb36 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -119,24 +119,24 @@ static void prim_genericClosure(EvalState & state, Value * * args, Value & v) args[0]->attrs->find(state.symbols.create("startSet")); if (startSet == args[0]->attrs->end()) throw EvalError("attribute `startSet' required"); - state.forceList(startSet->second.value); + state.forceList(*startSet->second.value); list<Value *> workSet; - for (unsigned int n = 0; n < startSet->second.value.list.length; ++n) - workSet.push_back(startSet->second.value.list.elems[n]); + for (unsigned int n = 0; n < startSet->second.value->list.length; ++n) + workSet.push_back(startSet->second.value->list.elems[n]); /* Get the operator. */ Bindings::iterator op = args[0]->attrs->find(state.symbols.create("operator")); if (op == args[0]->attrs->end()) throw EvalError("attribute `operator' required"); - state.forceValue(op->second.value); + state.forceValue(*op->second.value); /* Construct the closure by applying the operator to element of `workSet', adding the result to `workSet', continuing until no new elements are found. */ list<Value> res; - set<Value, CompareValues> doneKeys; + set<Value, CompareValues> doneKeys; // !!! use Value *? while (!workSet.empty()) { Value * e = *(workSet.begin()); workSet.pop_front(); @@ -147,15 +147,15 @@ static void prim_genericClosure(EvalState & state, Value * * args, Value & v) e->attrs->find(state.symbols.create("key")); if (key == e->attrs->end()) throw EvalError("attribute `key' required"); - state.forceValue(key->second.value); + state.forceValue(*key->second.value); - if (doneKeys.find(key->second.value) != doneKeys.end()) continue; - doneKeys.insert(key->second.value); + if (doneKeys.find(*key->second.value) != doneKeys.end()) continue; + doneKeys.insert(*key->second.value); res.push_back(*e); /* Call the `operator' function with `e' as argument. */ Value call; - mkApp(call, op->second.value, *e); + mkApp(call, *op->second.value, *e); state.forceList(call); /* Add the values returned by the operator to the work set. */ @@ -213,11 +213,13 @@ static void prim_tryEval(EvalState & state, Value * * args, Value & v) state.mkAttrs(v); try { state.forceValue(*args[0]); - (*v.attrs)[state.symbols.create("value")].value = *args[0]; - mkBool((*v.attrs)[state.symbols.create("success")].value, true); + printMsg(lvlError, format("%1%") % *args[0]); + (*v.attrs)[state.symbols.create("value")].value = args[0]; + mkBool(*state.allocAttr(v, state.symbols.create("success")), true); + printMsg(lvlError, format("%1%") % v); } catch (AssertionError & e) { - mkBool((*v.attrs)[state.symbols.create("value")].value, false); - mkBool((*v.attrs)[state.symbols.create("success")].value, false); + mkBool(*state.allocAttr(v, state.symbols.create("value")), false); + mkBool(*state.allocAttr(v, state.symbols.create("success")), false); } } @@ -326,7 +328,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v) string drvName; Pos & posDrvName(*attr->second.pos); try { - drvName = state.forceStringNoCtx(attr->second.value); + drvName = state.forceStringNoCtx(*attr->second.value); } catch (Error & e) { e.addPrefix(format("while evaluating the derivation attribute `name' at %1%:\n") % posDrvName); throw; @@ -349,9 +351,9 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v) /* The `args' attribute is special: it supplies the command-line arguments to the builder. */ if (key == "args") { - state.forceList(i->second.value); - for (unsigned int n = 0; n < i->second.value.list.length; ++n) { - string s = state.coerceToString(*i->second.value.list.elems[n], context, true); + state.forceList(*i->second.value); + for (unsigned int n = 0; n < i->second.value->list.length; ++n) { + string s = state.coerceToString(*i->second.value->list.elems[n], context, true); drv.args.push_back(s); } } @@ -359,7 +361,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v) /* All other attributes are passed to the builder through the environment. */ else { - string s = state.coerceToString(i->second.value, context, true); + string s = state.coerceToString(*i->second.value, context, true); drv.env[key] = s; if (key == "builder") drv.builder = s; else if (i->first == state.sSystem) drv.platform = s; @@ -488,8 +490,8 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v) /* !!! assumes a single output */ state.mkAttrs(v); - mkString((*v.attrs)[state.sOutPath].value, outPath, singleton<PathSet>(drvPath)); - mkString((*v.attrs)[state.sDrvPath].value, drvPath, singleton<PathSet>("=" + drvPath)); + mkString(*state.allocAttr(v, state.sOutPath), outPath, singleton<PathSet>(drvPath)); + mkString(*state.allocAttr(v, state.sDrvPath), drvPath, singleton<PathSet>("=" + drvPath)); } @@ -713,8 +715,8 @@ static void prim_getAttr(EvalState & state, Value * * args, Value & v) if (i == args[1]->attrs->end()) throw EvalError(format("attribute `%1%' missing") % attr); // !!! add to stack trace? - state.forceValue(i->second.value); - v = i->second.value; + state.forceValue(*i->second.value); + v = *i->second.value; } @@ -766,15 +768,13 @@ static void prim_listToAttrs(EvalState & state, Value * * args, Value & v) Bindings::iterator j = v2.attrs->find(state.sName); if (j == v2.attrs->end()) throw TypeError("`name' attribute missing in a call to `listToAttrs'"); - string name = state.forceStringNoCtx(j->second.value); + string name = state.forceStringNoCtx(*j->second.value); - j = v2.attrs->find(state.symbols.create("value")); - if (j == v2.attrs->end()) + Bindings::iterator j2 = v2.attrs->find(state.symbols.create("value")); + if (j2 == v2.attrs->end()) throw TypeError("`value' attribute missing in a call to `listToAttrs'"); - Attr & a = (*v.attrs)[state.symbols.create(name)]; - mkCopy(a.value, j->second.value); - a.pos = j->second.pos; + (*v.attrs)[state.symbols.create(name)] = j2->second; } } @@ -791,11 +791,8 @@ static void prim_intersectAttrs(EvalState & state, Value * * args, Value & v) foreach (Bindings::iterator, i, *args[0]->attrs) { Bindings::iterator j = args[1]->attrs->find(i->first); - if (j != args[1]->attrs->end()) { - Attr & a = (*v.attrs)[j->first]; - mkCopy(a.value, j->second.value); - a.pos = j->second.pos; - } + if (j != args[1]->attrs->end()) + (*v.attrs)[j->first] = j->second; } } @@ -824,7 +821,8 @@ static void prim_functionArgs(EvalState & state, Value * * args, Value & v) if (!args[0]->lambda.fun->matchAttrs) return; foreach (Formals::Formals_::iterator, i, args[0]->lambda.fun->formals->formals) - mkBool((*v.attrs)[i->name].value, i->def); + // !!! should optimise booleans (allocate only once) + mkBool(*state.allocAttr(v, i->name), i->def); } @@ -1007,8 +1005,8 @@ static void prim_parseDrvName(EvalState & state, Value * * args, Value & v) string name = state.forceStringNoCtx(*args[0]); DrvName parsed(name); state.mkAttrs(v); - mkString((*v.attrs)[state.sName].value, parsed.name); - mkString((*v.attrs)[state.symbols.create("version")].value, parsed.version); + mkString(*state.allocAttr(v, state.sName), parsed.name); + mkString(*state.allocAttr(v, state.symbols.create("version")), parsed.version); } |