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cleanup some query code to prepare for space optimizations

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This commit is contained in:
Jacob Dufault 2017-04-06 22:42:57 -07:00
parent d39d204891
commit 69b1dcadaa
5 changed files with 377 additions and 262 deletions
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18
src/command_line.cc
View File

@ -272,7 +272,7 @@ void IndexMain(IndexRequestQueue* requests, IndexResponseQueue* responses) {
// from the primary file though, so that should be ok. We need to cleanup indexer output.
optional<IndexedFile> old_index = LoadCachedFile(request->path);
if (old_index.has_value()) {
IndexUpdate update(old_index.value());
IndexUpdate update = IndexUpdate::CreateImport(old_index.value());
IndexTranslationUnitResponse response(update);
responses->Enqueue(response);
time.ResetAndPrint("Loading cached index");
@ -296,7 +296,7 @@ void IndexMain(IndexRequestQueue* requests, IndexResponseQueue* responses) {
time.ResetAndPrint("Loading previous index");
if (old_index) {
// Apply delta update.
IndexUpdate update(old_index.value(), new_index);
IndexUpdate update = IndexUpdate::CreateDelta(old_index.value(), new_index);
IndexTranslationUnitResponse response(update);
time.ResetAndPrint("Creating delta index update/response");
responses->Enqueue(response);
@ -304,7 +304,7 @@ void IndexMain(IndexRequestQueue* requests, IndexResponseQueue* responses) {
}
else {
// Apply full update.
IndexUpdate update(new_index);
IndexUpdate update = IndexUpdate::CreateImport(new_index);
IndexTranslationUnitResponse response(update);
time.ResetAndPrint("Creating index update/response");
responses->Enqueue(response);
@ -322,7 +322,7 @@ QueryableFile* FindFile(QueryableDatabase* db, const std::string& filename) {
// TODO: hashmap lookup.
for (auto& file : db->files) {
// std::cerr << " - Have file " << file.file_id << std::endl;
if (file.file_id == filename) {
if (file.def.usr == filename) {
//std::cerr << "Found file " << filename << std::endl;
return &file;
}
@ -516,7 +516,7 @@ void QueryDbMainLoop(
int target_line = msg->params.position.line + 1;
int target_column = msg->params.position.character + 1;
for (const UsrRef& ref : file->all_symbols) {
for (const UsrRef& ref : file->def.all_symbols) {
if (ref.loc.start.line >= target_line && ref.loc.end.line <= target_line &&
ref.loc.start.column <= target_column && ref.loc.end.column >= target_column) {
optional<QueryableRange> location = GetDefinitionSpellingOfUsr(db, ref.usr);
@ -542,8 +542,8 @@ void QueryDbMainLoop(
break;
}
std::cerr << "File outline size is " << file->outline.size() << std::endl;
for (UsrRef ref : file->outline) {
std::cerr << "File outline size is " << file->def.outline.size() << std::endl;
for (UsrRef ref : file->def.outline) {
SymbolIdx symbol = db->usr_to_symbol[ref.usr];
lsSymbolInformation info;
@ -606,7 +606,7 @@ void QueryDbMainLoop(
break;
}
for (UsrRef ref : file->outline) {
for (UsrRef ref : file->def.outline) {
// NOTE: We OffsetColumn so that the code lens always show up in a
// predictable order. Otherwise, the client may randomize it.
@ -950,7 +950,7 @@ int main(int argc, char** argv) {
//bool loop = true;
//while (loop)
// std::this_thread::sleep_for(std::chrono::milliseconds(10));
//std::this_thread::sleep_for(std::chrono::seconds(3));
std::this_thread::sleep_for(std::chrono::seconds(3));
PlatformInit();
RegisterMessageTypes();

289
src/query.cc
View File

@ -17,12 +17,6 @@
// NOTE: When not inside of a |def| object, there can be duplicates of the same
// information if that information is contributed from separate sources.
// If we need to avoid this duplication in the future, we will have to
// add a refcount.
template<typename In, typename Out>
std::vector<Out> Transform(const std::vector<In>& input, std::function<Out(In)> op) {
std::vector<Out> result;
@ -137,21 +131,15 @@ QueryableVarDef::DefUpdate MapIdToUsr(const IdCache& id_cache, const IndexedVarD
return result;
}
QueryableFile::QueryableFile(const IndexedFile& indexed)
: file_id(indexed.path) {
QueryableFile::Def BuildFileDef(const IndexedFile& indexed) {
QueryableFile::Def def;
def.usr = indexed.path;
// TODO: investigate this
//std::cerr << "Adding QueryableFile for " << indexed.path
// << ", file_path_to_file_id.size()=" << indexed.id_cache.file_path_to_file_id.size() << std::endl;
//for (auto& entry : indexed.id_cache.file_path_to_file_id)
// std::cerr << "-" << entry.first << std::endl;
//assert(indexed.id_cache.file_path_to_file_id.find(indexed.path) !=
// indexed.id_cache.file_path_to_file_id.end());
auto add_outline = [this, &indexed](Usr usr, Range range) {
outline.push_back(UsrRef(usr, MapIdToUsr(indexed.id_cache, range)));
auto add_outline = [&def, &indexed](Usr usr, Range range) {
def.outline.push_back(UsrRef(usr, MapIdToUsr(indexed.id_cache, range)));
};
auto add_all_symbols = [this, &indexed](Usr usr, Range range) {
all_symbols.push_back(UsrRef(usr, MapIdToUsr(indexed.id_cache, range)));
auto add_all_symbols = [&def, &indexed](Usr usr, Range range) {
def.all_symbols.push_back(UsrRef(usr, MapIdToUsr(indexed.id_cache, range)));
};
for (const IndexedTypeDef& def : indexed.types) {
@ -183,14 +171,19 @@ QueryableFile::QueryableFile(const IndexedFile& indexed)
add_all_symbols(def.def.usr, use);
}
std::sort(outline.begin(), outline.end(), [](const UsrRef& a, const UsrRef& b) {
std::sort(def.outline.begin(), def.outline.end(), [](const UsrRef& a, const UsrRef& b) {
return a.loc.start < b.loc.start;
});
std::sort(all_symbols.begin(), all_symbols.end(), [](const UsrRef& a, const UsrRef& b) {
std::sort(def.all_symbols.begin(), def.all_symbols.end(), [](const UsrRef& a, const UsrRef& b) {
return a.loc.start < b.loc.start;
});
return def;
}
QueryableFile::QueryableFile(const IndexedFile& indexed)
: def(BuildFileDef(indexed)) {}
QueryableTypeDef::QueryableTypeDef(IdCache& id_cache, const IndexedTypeDef& indexed)
: def(MapIdToUsr(id_cache, indexed.def)) {
derived = MapIdToUsr(id_cache, indexed.derived);
@ -224,8 +217,6 @@ QueryableVarDef::QueryableVarDef(IdCache& id_cache, const IndexedVarDef& indexed
// the pain of a global UsrDb less by
// (parallel)clangindex -> (main)commit USRs to global -> (parallel)transfer IDs to global USRs -> (main)import
// TODO: remove GroupId concept.
struct CachedIndexedFile {
// Path to the file indexed.
std::string path;
@ -388,21 +379,50 @@ void CompareGroups(
#if false
IndexUpdate::IndexUpdate(IndexedFile& file) {
// TODO: Do not add empty data (ie, def has nothing but USR)
// TODO: use delta constructor with an empty file.
files_added.push_back(QueryableFile(file));
for (const IndexedTypeDef& def : file.types) {
types_added.push_back(QueryableTypeDef(file.id_cache, def));
auto file_def = BuildFileDef(file);
files_def_update.push_back(file_def);
for (const IndexedTypeDef& indexed : file.types) {
QueryableTypeDef query(file.id_cache, indexed);
types_def_update.push_back(query.def);
types_derived.push_back(QueryableTypeDef::DerivedUpdate(query.def.usr, query.derived));
types_instantiations.push_back(QueryableTypeDef::InstantiationsUpdate(query.def.usr, query.instantiations));
types_uses.push_back(QueryableTypeDef::UsesUpdate(query.def.usr, query.uses));
}
for (const IndexedFuncDef& def : file.funcs) {
funcs_added.push_back(QueryableFuncDef(file.id_cache, def));
for (const IndexedFuncDef& indexed : file.funcs) {
QueryableFuncDef query(file.id_cache, indexed);
funcs_def_update.push_back(query.def);
funcs_declarations.push_back(QueryableFuncDef::DeclarationsUpdate(query.def.usr, query.declarations));
funcs_derived.push_back(QueryableFuncDef::DerivedUpdate(query.def.usr, query.derived));
funcs_callers.push_back(QueryableFuncDef::CallersUpdate(query.def.usr, query.callers));
funcs_uses.push_back(QueryableFuncDef::UsesUpdate(query.def.usr, query.uses));
}
for (const IndexedVarDef& def : file.vars) {
vars_added.push_back(QueryableVarDef(file.id_cache, def));
for (const IndexedVarDef& indexed : file.vars) {
QueryableVarDef query(file.id_cache, indexed);
vars_def_update.push_back(query.def);
vars_uses.push_back(QueryableVarDef::UsesUpdate(query.def.usr, query.uses));
}
}
#endif
// static
IndexUpdate IndexUpdate::CreateImport(IndexedFile& file) {
// Return standard diff constructor but with an empty file so everything is
// added.
IndexedFile previous(file.path);
return IndexUpdate(previous, file);
}
// static
IndexUpdate IndexUpdate::CreateDelta(IndexedFile& current, IndexedFile& updated) {
return IndexUpdate(current, updated);
}
IndexUpdate::IndexUpdate(IndexedFile& previous_file, IndexedFile& current_file) {
// |query_name| is the name of the variable on the query type.
@ -423,24 +443,8 @@ IndexUpdate::IndexUpdate(IndexedFile& previous_file, IndexedFile& current_file)
} \
}
// File
do {
// Outline is a special property and needs special handling, because it is a computed property
// of the IndexedFile (ie, to view it we need to construct a QueryableFile instance).
assert(previous_file.path == current_file.path);
QueryableFile previous_queryable_file(previous_file);
QueryableFile current_queryable_file(previous_file);
std::vector<UsrRef> removed, added;
bool did_add = ComputeDifferenceForUpdate(
previous_queryable_file.outline,
current_queryable_file.outline,
&removed, &added);
if (did_add) {
std::cerr << "Adding mergeable update on outline (" << current_file.path << ")" << std::endl;
files_outline.push_back(MergeableUpdate<UsrRef>(current_file.path, removed, added));
}
} while (false); // do while false instead of just {} to appease Visual Studio code formatter.
files_def_update.push_back(BuildFileDef(current_file));
// Types
CompareGroups<IndexedTypeDef>(previous_file.types, current_file.types,
@ -448,15 +452,20 @@ IndexUpdate::IndexUpdate(IndexedFile& previous_file, IndexedFile& current_file)
types_removed.push_back(def->def.usr);
},
/*onAdded:*/[this, &current_file](IndexedTypeDef* def) {
types_added.push_back(QueryableTypeDef(current_file.id_cache, *def));
QueryableTypeDef query(current_file.id_cache, *def);
types_def_update.push_back(query.def);
types_derived.push_back(QueryableTypeDef::DerivedUpdate(query.def.usr, query.derived));
types_instantiations.push_back(QueryableTypeDef::InstantiationsUpdate(query.def.usr, query.instantiations));
types_uses.push_back(QueryableTypeDef::UsesUpdate(query.def.usr, query.uses));
},
/*onFound:*/[this, &previous_file, &current_file](IndexedTypeDef* previous_def, IndexedTypeDef* current_def) {
QueryableTypeDef::DefUpdate previous_remapped_def = MapIdToUsr(previous_file.id_cache, previous_def->def);
QueryableTypeDef::DefUpdate current_remapped_def = MapIdToUsr(current_file.id_cache, current_def->def);
if (previous_remapped_def != current_remapped_def)
types_def_changed.push_back(current_remapped_def);
types_def_update.push_back(current_remapped_def);
PROCESS_UPDATE_DIFF(types_derived, derived, Usr);
PROCESS_UPDATE_DIFF(types_instantiations, instantiations, Usr);
PROCESS_UPDATE_DIFF(types_uses, uses, QueryableRange);
});
@ -466,13 +475,18 @@ IndexUpdate::IndexUpdate(IndexedFile& previous_file, IndexedFile& current_file)
funcs_removed.push_back(def->def.usr);
},
/*onAdded:*/[this, &current_file](IndexedFuncDef* def) {
funcs_added.push_back(QueryableFuncDef(current_file.id_cache, *def));
QueryableFuncDef query(current_file.id_cache, *def);
funcs_def_update.push_back(query.def);
funcs_declarations.push_back(QueryableFuncDef::DeclarationsUpdate(query.def.usr, query.declarations));
funcs_derived.push_back(QueryableFuncDef::DerivedUpdate(query.def.usr, query.derived));
funcs_callers.push_back(QueryableFuncDef::CallersUpdate(query.def.usr, query.callers));
funcs_uses.push_back(QueryableFuncDef::UsesUpdate(query.def.usr, query.uses));
},
/*onFound:*/[this, &previous_file, &current_file](IndexedFuncDef* previous_def, IndexedFuncDef* current_def) {
QueryableFuncDef::DefUpdate previous_remapped_def = MapIdToUsr(previous_file.id_cache, previous_def->def);
QueryableFuncDef::DefUpdate current_remapped_def = MapIdToUsr(current_file.id_cache, current_def->def);
if (previous_remapped_def != current_remapped_def)
funcs_def_changed.push_back(current_remapped_def);
funcs_def_update.push_back(current_remapped_def);
PROCESS_UPDATE_DIFF(funcs_declarations, declarations, QueryableRange);
PROCESS_UPDATE_DIFF(funcs_derived, derived, Usr);
@ -486,13 +500,15 @@ IndexUpdate::IndexUpdate(IndexedFile& previous_file, IndexedFile& current_file)
vars_removed.push_back(def->def.usr);
},
/*onAdded:*/[this, &current_file](IndexedVarDef* def) {
vars_added.push_back(QueryableVarDef(current_file.id_cache, *def));
QueryableVarDef query(current_file.id_cache, *def);
vars_def_update.push_back(query.def);
vars_uses.push_back(QueryableVarDef::UsesUpdate(query.def.usr, query.uses));
},
/*onFound:*/[this, &previous_file, &current_file](IndexedVarDef* previous_def, IndexedVarDef* current_def) {
QueryableVarDef::DefUpdate previous_remapped_def = MapIdToUsr(previous_file.id_cache, previous_def->def);
QueryableVarDef::DefUpdate current_remapped_def = MapIdToUsr(current_file.id_cache, current_def->def);
if (previous_remapped_def != current_remapped_def)
vars_def_changed.push_back(current_remapped_def);
vars_def_update.push_back(current_remapped_def);
PROCESS_UPDATE_DIFF(vars_uses, uses, QueryableRange);
});
@ -505,28 +521,23 @@ void IndexUpdate::Merge(const IndexUpdate& update) {
AddRange(&name, update.name);
INDEX_UPDATE_MERGE(files_removed);
INDEX_UPDATE_MERGE(files_added);
INDEX_UPDATE_MERGE(files_outline);
INDEX_UPDATE_MERGE(files_all_symbols);
INDEX_UPDATE_MERGE(files_def_update);
INDEX_UPDATE_MERGE(types_removed);
INDEX_UPDATE_MERGE(types_added);
INDEX_UPDATE_MERGE(types_def_changed);
INDEX_UPDATE_MERGE(types_def_update);
INDEX_UPDATE_MERGE(types_derived);
INDEX_UPDATE_MERGE(types_instantiations);
INDEX_UPDATE_MERGE(types_uses);
INDEX_UPDATE_MERGE(funcs_removed);
INDEX_UPDATE_MERGE(funcs_added);
INDEX_UPDATE_MERGE(funcs_def_changed);
INDEX_UPDATE_MERGE(funcs_def_update);
INDEX_UPDATE_MERGE(funcs_declarations);
INDEX_UPDATE_MERGE(funcs_derived);
INDEX_UPDATE_MERGE(funcs_callers);
INDEX_UPDATE_MERGE(funcs_uses);
INDEX_UPDATE_MERGE(vars_removed);
INDEX_UPDATE_MERGE(vars_added);
INDEX_UPDATE_MERGE(vars_def_changed);
INDEX_UPDATE_MERGE(vars_def_update);
INDEX_UPDATE_MERGE(vars_uses);
#undef INDEX_UPDATE_MERGE
@ -552,8 +563,6 @@ void IndexUpdate::Merge(const IndexUpdate& update) {
@ -565,107 +574,93 @@ void QueryableDatabase::RemoveUsrs(const std::vector<Usr>& to_remove) {
// TODO: also remove from qualified_names?
}
void QueryableDatabase::Import(const std::vector<QueryableFile>& defs) {
for (auto& def : defs) {
auto it = usr_to_symbol.find(def.file_id);
void QueryableDatabase::ImportOrUpdate(const std::vector<QueryableFile::DefUpdate>& updates) {
for (auto& def : updates) {
auto it = usr_to_symbol.find(def.usr);
if (it == usr_to_symbol.end()) {
qualified_names.push_back(def.file_id);
qualified_names.push_back(def.usr);
symbols.push_back(SymbolIdx(SymbolKind::File, files.size()));
usr_to_symbol[def.file_id] = SymbolIdx(SymbolKind::File, files.size());
usr_to_symbol[def.usr] = SymbolIdx(SymbolKind::File, files.size());
files.push_back(def);
QueryableFile query;
query.def = def;
files.push_back(query);
}
else {
QueryableFile& existing = files[it->second.idx];
// Replace the entire file. We don't ever want to merge files.
existing = def;
existing.def = def;
}
}
}
void QueryableDatabase::Import(const std::vector<QueryableTypeDef>& defs) {
for (auto& def : defs) {
auto it = usr_to_symbol.find(def.def.usr);
void QueryableDatabase::ImportOrUpdate(const std::vector<QueryableTypeDef::DefUpdate>& updates) {
for (auto& def : updates) {
auto it = usr_to_symbol.find(def.usr);
if (it == usr_to_symbol.end()) {
qualified_names.push_back(def.def.qualified_name);
qualified_names.push_back(def.qualified_name);
symbols.push_back(SymbolIdx(SymbolKind::Type, types.size()));
usr_to_symbol[def.def.usr] = SymbolIdx(SymbolKind::Type, types.size());
types.push_back(def);
usr_to_symbol[def.usr] = SymbolIdx(SymbolKind::Type, types.size());
QueryableTypeDef query;
query.def = def;
types.push_back(query);
}
else {
QueryableTypeDef& existing = types[it->second.idx];
if (def.def.definition_extent)
existing.def = def.def;
AddRange(&existing.derived, def.derived);
AddRange(&existing.uses, def.uses);
if (def.definition_extent)
existing.def = def;
}
}
}
void QueryableDatabase::Import(const std::vector<QueryableFuncDef>& defs) {
for (auto& def : defs) {
auto it = usr_to_symbol.find(def.def.usr);
void QueryableDatabase::ImportOrUpdate(const std::vector<QueryableFuncDef::DefUpdate>& updates) {
for (auto& def : updates) {
auto it = usr_to_symbol.find(def.usr);
if (it == usr_to_symbol.end()) {
qualified_names.push_back(def.def.qualified_name);
qualified_names.push_back(def.qualified_name);
symbols.push_back(SymbolIdx(SymbolKind::Func, funcs.size()));
usr_to_symbol[def.def.usr] = SymbolIdx(SymbolKind::Func, funcs.size());
funcs.push_back(def);
usr_to_symbol[def.usr] = SymbolIdx(SymbolKind::Func, funcs.size());
QueryableFuncDef query;
query.def = def;
funcs.push_back(query);
}
else {
QueryableFuncDef& existing = funcs[it->second.idx];
if (def.def.definition_extent)
existing.def = def.def;
AddRange(&existing.callers, def.callers);
AddRange(&existing.declarations, def.declarations);
AddRange(&existing.derived, def.derived);
AddRange(&existing.uses, def.uses);
if (def.definition_extent)
existing.def = def;
}
}
}
void QueryableDatabase::Import(const std::vector<QueryableVarDef>& defs) {
for (auto& def : defs) {
auto it = usr_to_symbol.find(def.def.usr);
void QueryableDatabase::ImportOrUpdate(const std::vector<QueryableVarDef::DefUpdate>& updates) {
for (auto& def : updates) {
auto it = usr_to_symbol.find(def.usr);
if (it == usr_to_symbol.end()) {
qualified_names.push_back(def.def.qualified_name);
qualified_names.push_back(def.qualified_name);
symbols.push_back(SymbolIdx(SymbolKind::Var, vars.size()));
usr_to_symbol[def.def.usr] = SymbolIdx(SymbolKind::Var, vars.size());
vars.push_back(def);
usr_to_symbol[def.usr] = SymbolIdx(SymbolKind::Var, vars.size());
QueryableVarDef query;
query.def = def;
vars.push_back(query);
}
else {
QueryableVarDef& existing = vars[it->second.idx];
if (def.def.definition_extent)
existing.def = def.def;
AddRange(&existing.uses, def.uses);
if (def.definition_extent)
existing.def = def;
}
}
}
void QueryableDatabase::Update(const std::vector<QueryableTypeDef::DefUpdate>& updates) {
for (auto& def : updates) {
SymbolIdx idx = usr_to_symbol[def.usr];
assert(idx.kind == SymbolKind::Type);
types[idx.idx].def = def;
}
}
void QueryableDatabase::Update(const std::vector<QueryableFuncDef::DefUpdate>& updates) {
for (auto& def : updates) {
SymbolIdx idx = usr_to_symbol[def.usr];
assert(idx.kind == SymbolKind::Func);
funcs[idx.idx].def = def;
}
}
void QueryableDatabase::Update(const std::vector<QueryableVarDef::DefUpdate>& updates) {
for (auto& def : updates) {
SymbolIdx idx = usr_to_symbol[def.usr];
assert(idx.kind == SymbolKind::Var);
vars[idx.idx].def = def;
}
}
void QueryableDatabase::ApplyIndexUpdate(IndexUpdate* update) {
#define HANDLE_REPLACEMENT(update_var_name, def_var_name, storage_name) \
for (auto replacement_update : update->update_var_name) { \
SymbolIdx index = usr_to_symbol[replacement_update.usr]; \
auto* def = &storage_name[index.idx]; \
def->def_var_name = replacement_update.entries; \
}
#define HANDLE_MERGEABLE(update_var_name, def_var_name, storage_name) \
for (auto merge_update : update->update_var_name) { \
SymbolIdx index = usr_to_symbol[merge_update.usr]; \
@ -675,26 +670,22 @@ void QueryableDatabase::ApplyIndexUpdate(IndexUpdate* update) {
}
RemoveUsrs(update->files_removed);
Import(update->files_added);
HANDLE_MERGEABLE(files_outline, outline, files);
ImportOrUpdate(update->files_def_update);
RemoveUsrs(update->types_removed);
Import(update->types_added);
Update(update->types_def_changed);
ImportOrUpdate(update->types_def_update);
HANDLE_MERGEABLE(types_derived, derived, types);
HANDLE_MERGEABLE(types_uses, uses, types);
RemoveUsrs(update->funcs_removed);
Import(update->funcs_added);
Update(update->funcs_def_changed);
ImportOrUpdate(update->funcs_def_update);
HANDLE_MERGEABLE(funcs_declarations, declarations, funcs);
HANDLE_MERGEABLE(funcs_derived, derived, funcs);
HANDLE_MERGEABLE(funcs_callers, callers, funcs);
HANDLE_MERGEABLE(funcs_uses, uses, funcs);
RemoveUsrs(update->vars_removed);
Import(update->vars_added);
Update(update->vars_def_changed);
ImportOrUpdate(update->vars_def_update);
HANDLE_MERGEABLE(vars_uses, uses, vars);
#undef HANDLE_MERGEABLE
@ -708,30 +699,6 @@ void QueryableDatabase::ApplyIndexUpdate(IndexUpdate* update) {
int main233(int argc, char** argv) {
IndexedFile indexed_file_a = Parse("full_tests/index_delta/a_v0.cc", {});
std::cerr << indexed_file_a.ToString() << std::endl;
std::cerr << std::endl;
IndexedFile indexed_file_b = Parse("full_tests/index_delta/a_v1.cc", {});
std::cerr << indexed_file_b.ToString() << std::endl;
// TODO: We don't need to do ID remapping when computting a diff. Well, we need to do it for the IndexUpdate.
IndexUpdate import(indexed_file_a);
/*
dest_ids.Import(indexed_file_b.file_db, indexed_file_b.id_cache);
IndexUpdate update = ComputeDiff(indexed_file_a, indexed_file_b);
*/
QueryableDatabase db;
db.ApplyIndexUpdate(&import);
//db.ApplyIndexUpdate(&update);
return 0;
}
// TODO: Idea: when indexing and joining to the main db, allow many dbs that
// are joined to. So that way even if the main db is busy we can
// still be joining. Joining the partially joined db to the main

132
src/query.h
View File

@ -5,6 +5,9 @@
using Usr = std::string;
// TODO: in types, store refs separately from irefs. Then we can drop
// 'interesting' from location when that is cleaned up.
// TODO: Switch over to QueryableLocation. Figure out if there is
// a good way to get the indexer using it. I don't think so
// since we may discover more files while indexing a file.
@ -42,7 +45,6 @@ struct QueryableLocation {
interesting < o.interesting;
}
};
MAKE_REFLECT_STRUCT(QueryableLocation, path, line, column, interesting);
struct QueryableRange {
QueryableLocation start;
@ -64,7 +66,6 @@ struct QueryableRange {
return start < o.start;
}
};
MAKE_REFLECT_STRUCT(QueryableRange, start, end);
struct UsrRef {
Usr usr;
@ -81,7 +82,6 @@ struct UsrRef {
return usr < other.usr && loc.start < other.loc.start;
}
};
MAKE_REFLECT_STRUCT(UsrRef, usr, loc);
// There are two sources of reindex updates: the (single) definition of a
// symbol has changed, or one of many users of the symbol has changed.
@ -101,34 +101,39 @@ struct MergeableUpdate {
std::vector<TValue> to_add;
std::vector<TValue> to_remove;
MergeableUpdate() {} // For reflection
MergeableUpdate(Usr usr, const std::vector<TValue>& to_add)
: usr(usr), to_add(to_add) {}
MergeableUpdate(Usr usr, const std::vector<TValue>& to_add, const std::vector<TValue>& to_remove)
: usr(usr), to_add(to_add), to_remove(to_remove) {}
};
template<typename TVisitor, typename TValue>
void Reflect(TVisitor& visitor, MergeableUpdate<TValue>& value) {
REFLECT_MEMBER_START();
REFLECT_MEMBER(usr);
REFLECT_MEMBER(to_add);
REFLECT_MEMBER(to_remove);
REFLECT_MEMBER_END();
}
template<typename TValue>
struct ReplacementUpdate {
// The type/func/var which is getting new usages.
Usr usr;
// New entries.
std::vector<TValue> values;
ReplacementUpdate(Usr usr, const std::vector<TValue>& entries)
: usr(usr), entries(entries) {}
};
struct QueryableFile {
using OutlineUpdate = MergeableUpdate<UsrRef>;
using AllSymboslUpdate = MergeableUpdate<UsrRef>;
Usr file_id;
struct Def {
Usr usr;
// Outline of the file (ie, for code lens).
std::vector<UsrRef> outline;
// Every symbol found in the file (ie, for goto definition)
std::vector<UsrRef> all_symbols;
};
QueryableFile() {} // For serialization.
using DefUpdate = Def;
DefUpdate def;
QueryableFile() {}
QueryableFile(const IndexedFile& indexed);
};
MAKE_REFLECT_STRUCT(QueryableFile, file_id, outline, all_symbols);
struct QueryableTypeDef {
using DefUpdate = TypeDefDefinitionData<Usr, Usr, Usr, QueryableRange, QueryableRange>;
@ -141,10 +146,9 @@ struct QueryableTypeDef {
std::vector<Usr> instantiations;
std::vector<QueryableRange> uses;
QueryableTypeDef() : def("") {} // For serialization.
QueryableTypeDef() : def("") {}
QueryableTypeDef(IdCache& id_cache, const IndexedTypeDef& indexed);
};
MAKE_REFLECT_STRUCT(QueryableTypeDef, def, derived, instantiations, uses);
struct QueryableFuncDef {
using DefUpdate = FuncDefDefinitionData<Usr, Usr, Usr, UsrRef, QueryableRange, QueryableRange>;
@ -159,10 +163,9 @@ struct QueryableFuncDef {
std::vector<UsrRef> callers;
std::vector<QueryableRange> uses;
QueryableFuncDef() : def("") {} // For serialization.
QueryableFuncDef() : def("") {}
QueryableFuncDef(IdCache& id_cache, const IndexedFuncDef& indexed);
};
MAKE_REFLECT_STRUCT(QueryableFuncDef, def, declarations, derived, callers, uses);
struct QueryableVarDef {
using DefUpdate = VarDefDefinitionData<Usr, Usr, Usr, QueryableRange, QueryableRange>;
@ -171,10 +174,9 @@ struct QueryableVarDef {
DefUpdate def;
std::vector<QueryableRange> uses;
QueryableVarDef() : def("") {} // For serialization.
QueryableVarDef() : def("") {}
QueryableVarDef(IdCache& id_cache, const IndexedVarDef& indexed);
};
MAKE_REFLECT_STRUCT(QueryableVarDef, def, uses);
enum class SymbolKind { Invalid, File, Type, Func, Var };
struct SymbolIdx {
@ -186,45 +188,29 @@ struct SymbolIdx {
};
// TODO: We need to control Usr, std::vector allocation to make sure it happens on shmem. That or we
// make IndexUpdate a POD type.
// TODO: Instead of all of that work above, we pipe the IndexUpdate across processes as JSON.
// We need to verify we need multiple processes first. Maybe libclang can run in a single process...
// TODO: Compute IndexUpdates in main process, off the blocking thread. Use separate process for running
// libclang. Solves memory worries.
// TODO: Instead of passing to/from json, we can probably bass the IndexedFile type almost directly as
// a raw memory dump - the type has almost zero pointers inside of it. We could do a little bit of fixup
// so that passing from a separate process to the main db is really fast (no need to go through JSON).
/*
namespace foo2 {
using Usr = size_t;
struct UsrTable {
size_t allocated;
size_t used;
const char* usrs[];
};
}
*/
struct IndexUpdate {
// Creates a new IndexUpdate that will import |file|.
static IndexUpdate CreateImport(IndexedFile& file);
static IndexUpdate CreateDelta(IndexedFile& current, IndexedFile& updated);
// Merge |update| into this update; this can reduce overhead / index update
// work can be parallelized.
void Merge(const IndexUpdate& update);
// File updates.
std::vector<Usr> files_removed;
std::vector<QueryableFile> files_added;
std::vector<QueryableFile::OutlineUpdate> files_outline;
std::vector<QueryableFile::AllSymboslUpdate> files_all_symbols;
std::vector<QueryableFile::DefUpdate> files_def_update;
// Type updates.
std::vector<Usr> types_removed;
std::vector<QueryableTypeDef> types_added;
std::vector<QueryableTypeDef::DefUpdate> types_def_changed;
std::vector<QueryableTypeDef::DefUpdate> types_def_update;
std::vector<QueryableTypeDef::DerivedUpdate> types_derived;
std::vector<QueryableTypeDef::InstantiationsUpdate> types_instantiations;
std::vector<QueryableTypeDef::UsesUpdate> types_uses;
// Function updates.
std::vector<Usr> funcs_removed;
std::vector<QueryableFuncDef> funcs_added;
std::vector<QueryableFuncDef::DefUpdate> funcs_def_changed;
std::vector<QueryableFuncDef::DefUpdate> funcs_def_update;
std::vector<QueryableFuncDef::DeclarationsUpdate> funcs_declarations;
std::vector<QueryableFuncDef::DerivedUpdate> funcs_derived;
std::vector<QueryableFuncDef::CallersUpdate> funcs_callers;
@ -232,44 +218,15 @@ struct IndexUpdate {
// Variable updates.
std::vector<Usr> vars_removed;
std::vector<QueryableVarDef> vars_added;
std::vector<QueryableVarDef::DefUpdate> vars_def_changed;
std::vector<QueryableVarDef::DefUpdate> vars_def_update;
std::vector<QueryableVarDef::UsesUpdate> vars_uses;
IndexUpdate() {}
// Creates a new IndexUpdate that will import |file|.
explicit IndexUpdate(IndexedFile& file);
private:
// Creates an index update assuming that |previous| is already
// in the index, so only the delta between |previous| and |current|
// will be applied.
IndexUpdate(IndexedFile& previous, IndexedFile& current);
// Merges the contents of |update| into this IndexUpdate instance.
void Merge(const IndexUpdate& update);
};
MAKE_REFLECT_STRUCT(IndexUpdate,
files_removed,
files_added,
files_outline,
files_all_symbols,
types_removed,
types_added,
types_def_changed,
types_derived,
types_uses,
funcs_removed,
funcs_added,
funcs_def_changed,
funcs_declarations,
funcs_derived,
funcs_callers,
funcs_uses,
vars_removed,
vars_added,
vars_def_changed,
vars_uses);
// The query database is heavily optimized for fast queries. It is stored
@ -293,13 +250,10 @@ struct QueryableDatabase {
void ApplyIndexUpdate(IndexUpdate* update);
void RemoveUsrs(const std::vector<Usr>& to_remove);
void Import(const std::vector<QueryableFile>& defs);
void Import(const std::vector<QueryableTypeDef>& defs);
void Import(const std::vector<QueryableFuncDef>& defs);
void Import(const std::vector<QueryableVarDef>& defs);
void Update(const std::vector<QueryableTypeDef::DefUpdate>& updates);
void Update(const std::vector<QueryableFuncDef::DefUpdate>& updates);
void Update(const std::vector<QueryableVarDef::DefUpdate>& updates);
void ImportOrUpdate(const std::vector<QueryableFile::DefUpdate>& updates);
void ImportOrUpdate(const std::vector<QueryableTypeDef::DefUpdate>& updates);
void ImportOrUpdate(const std::vector<QueryableFuncDef::DefUpdate>& updates);
void ImportOrUpdate(const std::vector<QueryableVarDef::DefUpdate>& updates);
};

40
src/string_db.cc Normal file
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@ -0,0 +1,40 @@
#if false
#include "string_db.h"
StringStorage::~StringStorage() {
if (owns_str) {
free((void*)str);
str = nullptr;
owns_str= false;
}
}
StringStorage StringStorage::CreateUnowned(const char* data, size_t len) {
StringStorage result;
result.str = data;
result.len = len;
result.owns_str = false;
return result;
}
void StringStorage::Copy() const {
// Copy
char* new_str = (char*)malloc(len + 1);
strncpy(new_str, str, len + 1);
// Assign
str = new_str;
owns_str = true;
}
bool StringStorage::operator==(const StringStorage& that) const {
return len == that.len && strcmp(str, that.str) == 0;
}
bool StringStorage::operator!=(const StringStorage& that) const {
return !(*this == that);
}
bool StringStorage::operator<(const StringStorage& that) const {
return strcmp(str, that.str);
}
#endif

154
src/string_db.h Normal file
View File

@ -0,0 +1,154 @@
#if false
#pragma once
#include "buffer.h"
#include "utils.h"
#include <clang-c/Index.h>
#include <cassert>
#include <cstring>
#include <cstdint>
#include <functional>
#include <unordered_set>
#include <string>
template <typename T>
struct StringView {
StringView();
StringView(const StringView& that);
StringView(const char* str, size_t len);
bool operator==(const StringView& that) const;
bool operator!=(const StringView& that) const;
bool operator<(const StringView& that) const;
StringView& operator=(const StringView& that);
std::string AsString() const;
size_t len;
const char* str;
};
// See MAKE_HASHABLE for QueryUsr, IndexUsr
struct StringStorage {
~StringStorage();
static StringStorage CreateUnowned(const char* str, size_t len);
void Copy() const;
bool operator==(const StringStorage& that) const;
bool operator!=(const StringStorage& that) const;
bool operator<(const StringStorage& that) const;
size_t len;
mutable const char* str;
mutable bool owns_str;
};
MAKE_HASHABLE(StringStorage, t.len, t.str);
template <typename T>
struct StringDb {
TStringView<T> GetString(const char* str, size_t len);
TStringView<T> GetString(const std::string& str);
TStringView<T> GetString(CXString cx_string);
std::unordered_set<StringStorage> data_;
};
struct _DummyQueryType {};
struct _DummyIndexType {};
using QueryUsr = StringView<_DummyQueryType>;
using QueryStringDb = StringDb<_DummyQueryType>;
using IndexUsr = StringView<_DummyIndexType>;
using IndexStringDb = StringDb<_DummyIndexType>;
// TODO: See if we can move this next to StringView definition.
MAKE_HASHABLE(QueryUsr, t.len, t.str);
MAKE_HASHABLE(IndexUsr, t.len, t.str);
template <typename T>
StringView<T>::StringView() : len(0), str(nullptr) {}
template <typename T>
StringView<T>::StringView(const StringView& that) : len(that.len), str(that.str) {}
template <typename T>
StringView<T>::StringView(const char* str, size_t len) : len(len), str(str) {}
template <typename T>
bool StringView<T>::operator==(const StringView& that) const {
return len == that.len && strcmp(str, that.str) == 0;
}
template <typename T>
bool StringView<T>::operator!=(const StringView& that) const {
return !(*this == that);
}
template <typename T>
bool StringView<T>::operator<(const StringView& that) const {
return strcmp(str, that.str);
}
template <typename T>
StringView& StringView<T>::operator=(const StringView& that) {
len = that.len;
str = that.str;
return *this;
}
template <typename T>
std::string StringView<T>::AsString() const {
return std::string(str, len);
}
template <typename T>
TStringView<T> StringDb<T>::GetString(const char* str, size_t len) {
StringStorage lookup = StringStorage::CreateUnowned(str, len);
auto it = data_.insert(lookup);
if (it.second)
it.first->Copy();
return TStringView<T>(it.first->str, it.first->len);
}
template <typename T>
TStringView<T> StringDb<T>::GetString(const std::string& str) {
return GetString(str.c_str());
}
template <typename T>
TStringView<T> StringDb<T>::GetString(CXString cx_string) {
assert(cx_string.data);
const char* str = clang_getCString(cx_string);
StringView result = GetString(str);
clang_disposeString(cx_string);
return result;
}
#endif