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switch to fakeenvs

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This commit is contained in:
Ben Burdette 2021-08-18 17:53:10 -06:00
parent b6eb38016b
commit e82cf13b1e
1 changed files with 48 additions and 20 deletions
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68
src/libexpr/eval.cc
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@ -958,6 +958,16 @@ Env & EvalState::allocEnv(size_t size)
}
Env & fakeEnv(size_t size)
{
// making a fake Env so we'll have one to pass to exception ftns.
// a placeholder until we can pass real envs everywhere they're needed.
Env * env = (Env *) allocBytes(sizeof(Env) + size * sizeof(Value *));
env->type = Env::Plain;
return *env;
}
void EvalState::mkList(Value & v, size_t size)
{
@ -1469,8 +1479,9 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
pos,
"attempt to call something which is not a function but %1%",
showType(fun).c_str(),
fakeEnv(1));
// fun.env);
map2("fun", &fun, "arg", &arg));
// map2("fun", &fun, "arg", &arg));
}
ExprLambda & lambda(*fun.lambda.fun);
@ -1508,7 +1519,7 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
"%1% called without required argument '%2%'",
lambda,
i.name,
fun.lambda.env);
*fun.lambda.env);
// map2("fun", &fun, "arg", &arg));
env2.values[displ++] = i.def->maybeThunk(*this, env2);
} else {
@ -1530,7 +1541,7 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
"%1% called without required argument '%2%'",
lambda,
i.name,
fun.env);
*fun.lambda.env);
// map2("fun", &fun, "arg", &arg));
env2.values[displ++] = i.def->maybeThunk(*this, env2);
} else {
@ -1539,7 +1550,7 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
// add to debugger name-value map
std::string s = i.name;
(*map)[s] = i.value;
(*map)[s] = j->value;
}
}
env2.valuemap.reset(map);
@ -1556,7 +1567,7 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
"%1% called with unexpected argument '%2%'",
lambda,
i.name,
fun.env);
*fun.lambda.env);
// map2("fun", &fun, "arg", &arg));
abort(); // can't happen
}
@ -1655,7 +1666,11 @@ void ExprWith::eval(EvalState & state, Env & env, Value & v)
env2.type = Env::HasWithExpr;
env2.values[0] = (Value *) attrs;
env2.valuemap = mapBindings(*attrs)
if (debuggerHook) {
forceAttrs(attrs);
env2.valuemap = mapBindings(attrs->attrs);
}
body->eval(state, env2, v);
}
@ -1672,7 +1687,7 @@ void ExprAssert::eval(EvalState & state, Env & env, Value & v)
if (!state.evalBool(env, cond, pos)) {
std::ostringstream out;
cond->show(out);
throwAssertionError(pos, "assertion '%1%' failed", out.str(), map0());
throwAssertionError(pos, "assertion '%1%' failed", out.str(), env);
}
body->eval(state, env, v);
}
@ -1895,7 +1910,8 @@ NixInt EvalState::forceInt(Value & v, const Pos & pos)
forceValue(v, pos);
if (v.type() != nInt)
throwTypeError(pos, "value is %1% while an integer was expected", v,
map1("value", &v));
fakeEnv(1));
// map1("value", &v));
return v.integer;
}
@ -1907,7 +1923,8 @@ NixFloat EvalState::forceFloat(Value & v, const Pos & pos)
return v.integer;
else if (v.type() != nFloat)
throwTypeError(pos, "value is %1% while a float was expected", v,
map1("value", &v));
fakeEnv(1));
// map1("value", &v));
return v.fpoint;
}
@ -1916,8 +1933,9 @@ bool EvalState::forceBool(Value & v, const Pos & pos)
{
forceValue(v, pos);
if (v.type() != nBool)
throwTypeError(pos, "value is %1% while a Boolean was expected", v,
map1("value", &v));
throwTypeError(pos, "value is %1% while a Boolean was expected", v,
fakeEnv(1));
// map1("value", &v));
return v.boolean;
}
@ -1933,7 +1951,8 @@ void EvalState::forceFunction(Value & v, const Pos & pos)
forceValue(v, pos);
if (v.type() != nFunction && !isFunctor(v))
throwTypeError(pos, "value is %1% while a function was expected", v,
map1("value", &v));
fakeEnv(1));
// map1("value", &v));
}
@ -1942,7 +1961,8 @@ string EvalState::forceString(Value & v, const Pos & pos)
forceValue(v, pos);
if (v.type() != nString) {
throwTypeError(pos, "value is %1% while a string was expected", v,
map1("value", &v));
fakeEnv(1));
// map1("value", &v));
}
return string(v.string.s);
}
@ -1995,12 +2015,14 @@ string EvalState::forceStringNoCtx(Value & v, const Pos & pos)
throwEvalError(pos, "the string '%1%' is not allowed to refer to a store path (such as '%2%')",
v.string.s, v.string.context[0],
// b.has_value() ? mapBindings(*b.get()) : map0());
map1("value", &v));
fakeEnv(1));
// map1("value", &v));
else
throwEvalError("the string '%1%' is not allowed to refer to a store path (such as '%2%')",
v.string.s, v.string.context[0],
// b.has_value() ? mapBindings(*b.get()) : map0());
map1("value", &v));
fakeEnv(1));
// map1("value", &v));
}
return s;
}
@ -2072,7 +2094,9 @@ string EvalState::coerceToString(const Pos & pos, Value & v, PathSet & context,
}
auto i = v.attrs->find(sOutPath);
if (i == v.attrs->end())
throwTypeError(pos, "cannot coerce a set to a string", map1("value", &v));
throwTypeError(pos, "cannot coerce a set to a string",
fakeEnv(1));
// map1("value", &v));
return coerceToString(pos, *i->value, context, coerceMore, copyToStore);
}
@ -2080,7 +2104,6 @@ string EvalState::coerceToString(const Pos & pos, Value & v, PathSet & context,
return v.external->coerceToString(pos, context, coerceMore, copyToStore);
if (coerceMore) {
/* Note that `false' is represented as an empty string for
shell scripting convenience, just like `null'. */
if (v.type() == nBool && v.boolean) return "1";
@ -2103,7 +2126,9 @@ string EvalState::coerceToString(const Pos & pos, Value & v, PathSet & context,
}
}
throwTypeError(pos, "cannot coerce %1% to a string", v, map1("value", &v));
throwTypeError(pos, "cannot coerce %1% to a string", v,
fakeEnv(1));
// map1("value", &v));
}
@ -2136,7 +2161,9 @@ Path EvalState::coerceToPath(const Pos & pos, Value & v, PathSet & context)
{
string path = coerceToString(pos, v, context, false, false);
if (path == "" || path[0] != '/')
throwEvalError(pos, "string '%1%' doesn't represent an absolute path", path, map1("value", &v));
throwEvalError(pos, "string '%1%' doesn't represent an absolute path", path,
fakeEnv(1));
// map1("value", &v));
return path;
}
@ -2218,7 +2245,8 @@ bool EvalState::eqValues(Value & v1, Value & v2)
throwEvalError("cannot compare %1% with %2%",
showType(v1),
showType(v2),
map2("value1", &v1, "value2", &v2));
fakeEnv(1));
// map2("value1", &v1, "value2", &v2));
}
}