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* Store user environment manifests as a Nix expression in

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$out/manifest.nix rather than as an ATerm.

  (Hm, I thought I committed this two days ago...)
This commit is contained in:
Eelco Dolstra 2010-04-21 15:08:58 +00:00
parent f3b8833a48
commit fe2d869e04
11 changed files with 205 additions and 183 deletions
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11
src/libexpr/eval.cc
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@ -98,6 +98,7 @@ EvalState::EvalState()
, sType(symbols.create("type"))
, sMeta(symbols.create("meta"))
, sName(symbols.create("name"))
, sSystem(symbols.create("system"))
, baseEnv(allocEnv(128))
, baseEnvDispl(0)
, staticBaseEnv(false, 0)
@ -131,12 +132,13 @@ void EvalState::addPrimOp(const string & name,
unsigned int arity, PrimOp primOp)
{
Value v;
string name2 = string(name, 0, 2) == "__" ? string(name, 2) : name;
v.type = tPrimOp;
v.primOp.arity = arity;
v.primOp.fun = primOp;
v.primOp.name = strdup(name2.c_str());
staticBaseEnv.vars[symbols.create(name)] = baseEnvDispl;
baseEnv.values[baseEnvDispl++] = v;
string name2 = string(name, 0, 2) == "__" ? string(name, 2) : name;
(*baseEnv.values[0].attrs)[symbols.create(name2)] = v;
}
@ -550,7 +552,12 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v)
vArgs[n--] = arg->primOpApp.right;
/* And call the primop. */
primOp->primOp.fun(*this, vArgs, v);
try {
primOp->primOp.fun(*this, vArgs, v);
} catch (Error & e) {
addErrorPrefix(e, "while evaluating the builtin function `%1%':\n", primOp->primOp.name);
throw;
}
} else {
Value * v2 = allocValues(2);
v2[0] = fun;