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mirror of https://github.com/NixOS/nix synced 2025-06-25 10:41:16 +02:00

WIP: broken merge but need a git checkpoint

This commit is contained in:
Guillaume Maudoux 2022-09-07 00:34:03 +02:00
commit eb460a9529
241 changed files with 7587 additions and 2694 deletions

View file

@ -47,7 +47,7 @@ struct AttrDb
{
auto state(_state->lock());
Path cacheDir = getCacheDir() + "/nix/eval-cache-v2";
Path cacheDir = getCacheDir() + "/nix/eval-cache-v4";
createDirs(cacheDir);
Path dbPath = cacheDir + "/" + fingerprint.to_string(Base16, false) + ".sqlite";
@ -175,6 +175,42 @@ struct AttrDb
});
}
AttrId setInt(
AttrKey key,
int n)
{
return doSQLite([&]()
{
auto state(_state->lock());
state->insertAttribute.use()
(key.first)
(symbols[key.second])
(AttrType::Int)
(n).exec();
return state->db.getLastInsertedRowId();
});
}
AttrId setListOfStrings(
AttrKey key,
const std::vector<std::string> & l)
{
return doSQLite([&]()
{
auto state(_state->lock());
state->insertAttribute.use()
(key.first)
(symbols[key.second])
(AttrType::ListOfStrings)
(concatStringsSep("\t", l)).exec();
return state->db.getLastInsertedRowId();
});
}
AttrId setPlaceholder(AttrKey key)
{
return doSQLite([&]()
@ -246,7 +282,7 @@ struct AttrDb
auto queryAttribute(state->queryAttribute.use()(key.first)(symbols[key.second]));
if (!queryAttribute.next()) return {};
auto rowId = (AttrType) queryAttribute.getInt(0);
auto rowId = (AttrId) queryAttribute.getInt(0);
auto type = (AttrType) queryAttribute.getInt(1);
switch (type) {
@ -269,6 +305,10 @@ struct AttrDb
}
case AttrType::Bool:
return {{rowId, queryAttribute.getInt(2) != 0}};
case AttrType::Int:
return {{rowId, int_t{queryAttribute.getInt(2)}}};
case AttrType::ListOfStrings:
return {{rowId, tokenizeString<std::vector<std::string>>(queryAttribute.getStr(2), "\t")}};
case AttrType::Missing:
return {{rowId, missing_t()}};
case AttrType::Misc:
@ -385,7 +425,7 @@ std::string AttrCursor::getAttrPathStr(Symbol name) const
Value & AttrCursor::forceValue()
{
debug("evaluating uncached attribute %s", getAttrPathStr());
debug("evaluating uncached attribute '%s'", getAttrPathStr());
auto & v = getValue();
@ -406,6 +446,8 @@ Value & AttrCursor::forceValue()
cachedValue = {root->db->setString(getKey(), v.path), string_t{v.path, {}}};
else if (v.type() == nBool)
cachedValue = {root->db->setBool(getKey(), v.boolean), v.boolean};
else if (v.type() == nInt)
cachedValue = {root->db->setInt(getKey(), v.integer), int_t{v.integer}};
else if (v.type() == nAttrs)
; // FIXME: do something?
else
@ -444,7 +486,7 @@ std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(Symbol name, bool forceErro
return nullptr;
else if (std::get_if<failed_t>(&attr->second)) {
if (forceErrors)
debug("reevaluating failed cached attribute '%s'");
debug("reevaluating failed cached attribute '%s'", getAttrPathStr(name));
else
throw CachedEvalError("cached failure of attribute '%s'", getAttrPathStr(name));
} else
@ -465,11 +507,6 @@ std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(Symbol name, bool forceErro
return nullptr;
//throw TypeError("'%s' is not an attribute set", getAttrPathStr());
for (auto & attr : *v.attrs) {
if (root->db)
root->db->setPlaceholder({cachedValue->first, attr.name});
}
auto attr = v.attrs->get(name);
if (!attr) {
@ -534,14 +571,14 @@ std::string AttrCursor::getString()
debug("using cached string attribute '%s'", getAttrPathStr());
return s->first;
} else
throw TypeError("'%s' is not a string", getAttrPathStr());
root->state.debugThrowLastTrace(TypeError("'%s' is not a string", getAttrPathStr()));
}
}
auto & v = forceValue();
if (v.type() != nString && v.type() != nPath)
throw TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type()));
root->state.debugThrowLastTrace(TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type())));
return v.type() == nString ? v.string.s : v.path;
}
@ -565,7 +602,7 @@ string_t AttrCursor::getStringWithContext()
return *s;
}
} else
throw TypeError("'%s' is not a string", getAttrPathStr());
root->state.debugThrowLastTrace(TypeError("'%s' is not a string", getAttrPathStr()));
}
}
@ -576,7 +613,7 @@ string_t AttrCursor::getStringWithContext()
else if (v.type() == nPath)
return {v.path, {}};
else
throw TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type()));
root->state.debugThrowLastTrace(TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type())));
}
bool AttrCursor::getBool()
@ -589,18 +626,73 @@ bool AttrCursor::getBool()
debug("using cached Boolean attribute '%s'", getAttrPathStr());
return *b;
} else
throw TypeError("'%s' is not a Boolean", getAttrPathStr());
root->state.debugThrowLastTrace(TypeError("'%s' is not a Boolean", getAttrPathStr()));
}
}
auto & v = forceValue();
if (v.type() != nBool)
throw TypeError("'%s' is not a Boolean", getAttrPathStr());
root->state.debugThrowLastTrace(TypeError("'%s' is not a Boolean", getAttrPathStr()));
return v.boolean;
}
NixInt AttrCursor::getInt()
{
if (root->db) {
if (!cachedValue)
cachedValue = root->db->getAttr(getKey());
if (cachedValue && !std::get_if<placeholder_t>(&cachedValue->second)) {
if (auto i = std::get_if<int_t>(&cachedValue->second)) {
debug("using cached Integer attribute '%s'", getAttrPathStr());
return i->x;
} else
throw TypeError("'%s' is not an Integer", getAttrPathStr());
}
}
auto & v = forceValue();
if (v.type() != nInt)
throw TypeError("'%s' is not an Integer", getAttrPathStr());
return v.integer;
}
std::vector<std::string> AttrCursor::getListOfStrings()
{
if (root->db) {
if (!cachedValue)
cachedValue = root->db->getAttr(getKey());
if (cachedValue && !std::get_if<placeholder_t>(&cachedValue->second)) {
if (auto l = std::get_if<std::vector<std::string>>(&cachedValue->second)) {
debug("using cached list of strings attribute '%s'", getAttrPathStr());
return *l;
} else
throw TypeError("'%s' is not a list of strings", getAttrPathStr());
}
}
debug("evaluating uncached attribute '%s'", getAttrPathStr());
auto & v = getValue();
root->state.forceValue(v, noPos);
if (v.type() != nList)
throw TypeError("'%s' is not a list", getAttrPathStr());
std::vector<std::string> res;
for (auto & elem : v.listItems())
res.push_back(std::string(root->state.forceStringNoCtx(*elem)));
if (root->db)
cachedValue = {root->db->setListOfStrings(getKey(), res), res};
return res;
}
std::vector<Symbol> AttrCursor::getAttrs()
{
if (root->db) {
@ -611,14 +703,14 @@ std::vector<Symbol> AttrCursor::getAttrs()
debug("using cached attrset attribute '%s'", getAttrPathStr());
return *attrs;
} else
throw TypeError("'%s' is not an attribute set", getAttrPathStr());
root->state.debugThrowLastTrace(TypeError("'%s' is not an attribute set", getAttrPathStr()));
}
}
auto & v = forceValue();
if (v.type() != nAttrs)
throw TypeError("'%s' is not an attribute set", getAttrPathStr());
root->state.debugThrowLastTrace(TypeError("'%s' is not an attribute set", getAttrPathStr()));
std::vector<Symbol> attrs;
for (auto & attr : *getValue().attrs)