This commit is contained in:
Jacob Dufault 2017-02-26 00:11:47 -08:00
parent 243ed8dfa5
commit f3aa91d8db
2 changed files with 421 additions and 191 deletions

527
query.cc
View File

@ -18,11 +18,26 @@
// TODO: Make all copy constructors explicit.
struct IdMap {
// TODO: id resolution is broken. We need to resolve same fundamental USR to same ID. Problem is that multiple USRs
// can have different source IDs.
// The first vector is indexed by TId::group.
// The second vector is indexed by TId::id.
template<typename TId>
using GroupMap = std::vector<std::unordered_map<TId, TId>>;
template<typename TId>
using GroupToUsrMap = std::vector<std::unordered_map<TId, std::string>>;
GroupToUsrMap<FileId> group_file_id_to_usr;
GroupToUsrMap<TypeId> group_type_id_to_usr;
GroupToUsrMap<FuncId> group_func_id_to_usr;
GroupToUsrMap<VarId> group_var_id_to_usr;
std::unordered_map<std::string, FileId> usr_to_file_id;
std::unordered_map<std::string, TypeId> usr_to_type_id;
std::unordered_map<std::string, FuncId> usr_to_func_id;
std::unordered_map<std::string, VarId> usr_to_var_id;
GroupId target_group;
int64_t next_file_id = 1;
int64_t next_type_id = 1;
@ -36,50 +51,83 @@ struct IdMap {
IdMap(GroupId target_group) : target_group(target_group) {}
void Import(IdMap* other_id_map) {
// TODO: Implement me
// TODO: Let's refactor the entire ID management system. DB should
// lose concept of Var/Type/etc id and just use USR, since we
// are not going to be storing indices into arrays.
}
void Import(FileDb* file_db, UsrToIdResolver* usr_to_id) {
int group = usr_to_id->group;
if (group >= group_file_id_to_usr.size()) {
group_file_id_to_usr.resize(group + 1);
group_type_id_to_usr.resize(group + 1);
group_func_id_to_usr.resize(group + 1);
group_var_id_to_usr.resize(group + 1);
}
group_file_id_to_usr[group] = file_db->file_id_to_file_path;
std::unordered_map<TypeId, std::string>& type_id_to_usr = group_type_id_to_usr[group];
for (auto& entry : usr_to_id->usr_to_type_id)
type_id_to_usr[entry.second] = entry.first;
std::unordered_map<FuncId, std::string>& func_id_to_usr = group_func_id_to_usr[group];
for (auto& entry : usr_to_id->usr_to_func_id)
func_id_to_usr[entry.second] = entry.first;
std::unordered_map<VarId, std::string>& var_id_to_usr = group_var_id_to_usr[group];
for (auto& entry : usr_to_id->usr_to_var_id)
var_id_to_usr[entry.second] = entry.first;
}
template<typename TId>
inline TId GenericRemap(GroupMap<TId>* map, int64_t* next_id, TId from) {
inline TId GenericRemap(
GroupMap<TId>* map,
GroupToUsrMap<TId>* group_id_to_usr, std::unordered_map<std::string, TId>* usr_to_id,
int64_t* next_id, TId from) {
if (from.group == target_group)
return from;
// PERF: If this function is a hot-spot we can pull the group computation
// out, ie,
//
// IdMap id_map;
// GroupIdMap group_map = id_map.ResolveIdGroup(file.group)
// for (...)
// group_map.Remap(id)
// Find the group that |from| belongs to. Create groups if needed.
if (from.group >= map->size())
map->resize(from.group + 1);
// If the group doesn't have an ID already mapped out for |from|, map it.
/*
// TODO: The concern with this approach is that it going to waste huge
// amounts of memory, because the first 16k+ ids can be unused.
std::vector<TId>& group = (*map)[from.group];
if (from.id >= group.size()) {
group.reserve(from.id + 1);
for (size_t i = group.size(); i < from.id; ++i)
group.emplace_back(TId(target_group, (*next_id)++));
}
*/
std::unordered_map<TId, TId> group = (*map)[from.group];
// Lookup the id from the group or add it.
auto it = group.find(from);
if (it == group.end()) {
TId result(target_group, (*next_id)++);
group[from] = result;
return result;
// NOTE: If the following asserts make sure that from.group is registered inside
// of the group_*_id_to_usr variables.
// Before adding a new id, we need to check if we have already added it.
const std::string& usr_for_id = (*group_id_to_usr)[from.group][from];
auto it = usr_to_id->find(usr_for_id);
if (it != usr_to_id->end()) {
return it->second;
}
// This is a brand new id we haven't seen before.
else {
TId result(target_group, (*next_id)++);
group[from] = result;
(*usr_to_id)[usr_for_id] = result;
return result;
}
}
return it->second;
}
template<typename TId>
inline std::vector<TId> GenericVectorRemap(GroupMap<TId>* map, int64_t* next_id, const std::vector<TId>& from) {
std::vector<TId> result;
result.reserve(from.size());
for (const TId& e : from)
result.push_back(Remap(e));
return result;
/*
if (from.empty())
return {};
@ -110,10 +158,20 @@ struct IdMap {
}
return result;
*/
}
FileId Remap(FileId from) {
return GenericRemap(&remap_file_id, &next_file_id, from);
return GenericRemap<FileId>(&remap_file_id, &group_file_id_to_usr, &usr_to_file_id, &next_file_id, from);
}
TypeId Remap(TypeId from) {
return GenericRemap(&remap_type_id, &group_type_id_to_usr, &usr_to_type_id, &next_type_id, from);
}
FuncId Remap(FuncId from) {
return GenericRemap(&remap_func_id, &group_func_id_to_usr, &usr_to_func_id, &next_func_id, from);
}
VarId Remap(VarId from) {
return GenericRemap(&remap_var_id, &group_var_id_to_usr, &usr_to_var_id, &next_var_id, from);
}
Location Remap(Location from) {
FileId file = Remap(from.file_id());
@ -121,15 +179,6 @@ struct IdMap {
from.raw_file_id = file.id;
return from;
}
TypeId Remap(TypeId from) {
return GenericRemap(&remap_type_id, &next_type_id, from);
}
FuncId Remap(FuncId from) {
return GenericRemap(&remap_func_id, &next_func_id, from);
}
VarId Remap(VarId from) {
return GenericRemap(&remap_var_id, &next_var_id, from);
}
FuncRef Remap(FuncRef from) {
from.id = Remap(from.id);
from.loc = Remap(from.loc);
@ -171,8 +220,43 @@ struct IdMap {
def.declaring_type = Remap(def.declaring_type.value());
return def;
}
QueryableTypeDef Remap(QueryableTypeDef def) {
def.def = Remap(def.def);
def.derived = Remap(def.derived);
def.uses = Remap(def.uses);
return def;
}
QueryableFuncDef Remap(QueryableFuncDef def) {
def.def = Remap(def.def);
def.declarations = Remap(def.declarations);
def.derived = Remap(def.derived);
def.callers = Remap(def.callers);
def.uses = Remap(def.uses);
return def;
}
QueryableVarDef Remap(QueryableVarDef def) {
def.def = Remap(def.def);
def.uses = Remap(def.uses);
return def;
}
template<typename TId, typename TValue>
MergeableUpdate<TId, TValue> Remap(MergeableUpdate<TId, TValue> update) {
update.id = Remap(update.id);
update.to_add = Remap(update.to_add);
update.to_remove = Remap(update.to_remove);
return update;
}
template<typename T>
std::vector<T> Remap(const std::vector<T>& from) {
std::vector<T> result;
result.reserve(from.size());
for (const T& e : from)
result.push_back(Remap(e));
return result;
}
//std::vector<FileId> Remap(const std::vector<FileId>& from) {
// return GenericVectorRemap(&remap_file_id, &next_file_id, from);
//}
@ -203,37 +287,9 @@ struct IdMap {
enum class SymbolKind { Type, Func, Var };
struct SymbolIdx {
SymbolKind kind;
union {
uint64_t type_idx;
uint64_t func_idx;
uint64_t var_idx;
};
};
// 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.
//
// For simplicitly, if the single definition has changed, we update all of the
// associated single-owner definition data. See |Update*DefId|.
//
// If one of the many symbol users submits an update, we store the update such
// that it can be merged with other updates before actually being applied to
// the main database. See |MergeableUpdate|.
template<typename TId, typename TValue>
struct MergeableUpdate {
// The type/func/var which is getting new usages.
TId id;
// Entries to add and remove.
std::vector<TValue> to_add;
std::vector<TValue> to_remove;
};
template<typename TId, typename TValue>
MergeableUpdate<TId, TValue> MakeMergeableUpdate(IdMap* id_map, TId symbol_id, const std::vector<TValue>& removed, const std::vector<TValue>& added) {
MergeableUpdate<TId, TValue> update;
@ -248,95 +304,30 @@ MergeableUpdate<TId, TValue> MakeMergeableUpdate(IdMap* id_map, TId symbol_id, c
// If we need to avoid this duplication in the future, we will have to
// add a refcount.
struct QueryableTypeDef {
TypeDefDefinitionData def;
std::vector<TypeId> derived;
std::vector<Location> uses;
using DefUpdate = TypeDefDefinitionData;
using DerivedUpdate = MergeableUpdate<TypeId, TypeId>;
using UsesUpdate = MergeableUpdate<TypeId, Location>;
QueryableTypeDef::QueryableTypeDef(IdMap& id_map, const IndexedTypeDef& indexed)
: def(id_map.Remap(indexed.def)) {
derived = id_map.Remap(indexed.derived);
uses = id_map.Remap(indexed.uses);
}
QueryableTypeDef(IdMap& id_map, const IndexedTypeDef& indexed)
: def(id_map.Remap(indexed.def)) {
derived = id_map.Remap(indexed.derived);
uses = id_map.Remap(indexed.uses);
}
};
QueryableFuncDef::QueryableFuncDef(IdMap& id_map, const IndexedFuncDef& indexed)
: def(id_map.Remap(indexed.def)) {
declarations = id_map.Remap(indexed.declarations);
derived = id_map.Remap(indexed.derived);
callers = id_map.Remap(indexed.callers);
uses = id_map.Remap(indexed.uses);
}
struct QueryableFuncDef {
FuncDefDefinitionData def;
std::vector<Location> declarations;
std::vector<FuncId> derived;
std::vector<FuncRef> callers;
std::vector<Location> uses;
using DefUpdate = FuncDefDefinitionData;
using DeclarationsUpdate = MergeableUpdate<FuncId, Location>;
using DerivedUpdate = MergeableUpdate<FuncId, FuncId>;
using CallersUpdate = MergeableUpdate<FuncId, FuncRef>;
using UsesUpdate = MergeableUpdate<FuncId, Location>;
QueryableFuncDef(IdMap& id_map, const IndexedFuncDef& indexed)
: def(id_map.Remap(indexed.def)) {
declarations = id_map.Remap(indexed.declarations);
derived = id_map.Remap(indexed.derived);
callers = id_map.Remap(indexed.callers);
uses = id_map.Remap(indexed.uses);
}
};
struct QueryableVarDef {
VarDefDefinitionData def;
std::vector<Location> uses;
using DefUpdate = VarDefDefinitionData;
using UsesUpdate = MergeableUpdate<VarId, Location>;
QueryableVarDef(IdMap& id_map, const IndexedVarDef& indexed)
: def(id_map.Remap(indexed.def)) {
uses = id_map.Remap(indexed.uses);
}
};
struct QueryableFile {
FileId file_id;
// Symbols declared in the file.
std::vector<SymbolIdx> declared_symbols;
// Symbols which have definitions in the file.
std::vector<SymbolIdx> defined_symbols;
};
QueryableVarDef::QueryableVarDef(IdMap& id_map, const IndexedVarDef& indexed)
: def(id_map.Remap(indexed.def)) {
uses = id_map.Remap(indexed.uses);
}
struct QueryableEntry {
const char* const str;
};
// The query database is heavily optimized for fast queries. It is stored
// in-memory.
struct QueryableDatabase {
IdMap id_map;
// Indicies between lookup vectors are related to symbols, ie, index 5 in
// |qualified_names| matches index 5 in |symbols|.
std::vector<QueryableEntry> qualified_names;
std::vector<SymbolIdx> symbols;
// Raw data storage.
std::vector<QueryableTypeDef> types;
std::vector<QueryableFuncDef> funcs;
std::vector<QueryableVarDef> vars;
// |files| is indexed by FileId. Retrieve a FileId from a path using
// |file_db|.
FileDb file_db;
std::vector<QueryableFile> files;
// When importing data into the global db we need to remap ids from an
// arbitrary group into the global group.
IdMap local_id_group_to_global_id_group;
};
@ -365,6 +356,21 @@ struct CachedIndexedFile {
: group(indexed.usr_to_id->group), current_index(indexed) {}
};
template<typename T>
void AddRange(std::vector<T>* dest, const std::vector<T>& to_add) {
for (const T& e : to_add)
dest->push_back(e);
}
template<typename T>
void RemoveRange(std::vector<T>* dest, const std::vector<T>& to_remove) {
auto it = std::remove_if(dest->begin(), dest->end(), [&](const T& t) {
// TODO: make to_remove a set?
return std::find(to_remove.begin(), to_remove.end(), t) != to_remove.end();
});
if (it != dest->end())
dest->erase(it);
}
struct IndexUpdate {
IdMap* id_map;
@ -392,8 +398,75 @@ struct IndexUpdate {
std::vector<QueryableVarDef::UsesUpdate> vars_uses;
IndexUpdate(IdMap* id_map) : id_map(id_map) {}
IndexUpdate(IdMap* id_map, IndexedFile& file);
void Remap(IdMap* map) {
id_map = map;
#define INDEX_UPDATE_REMAP(name) \
name = id_map->Remap(name);
INDEX_UPDATE_REMAP(types_removed);
INDEX_UPDATE_REMAP(types_added);
INDEX_UPDATE_REMAP(types_def_changed);
INDEX_UPDATE_REMAP(types_derived);
INDEX_UPDATE_REMAP(types_uses);
INDEX_UPDATE_REMAP(funcs_removed);
INDEX_UPDATE_REMAP(funcs_added);
INDEX_UPDATE_REMAP(funcs_def_changed);
INDEX_UPDATE_REMAP(funcs_declarations);
INDEX_UPDATE_REMAP(funcs_derived);
INDEX_UPDATE_REMAP(funcs_callers);
INDEX_UPDATE_REMAP(funcs_uses);
INDEX_UPDATE_REMAP(vars_removed);
INDEX_UPDATE_REMAP(vars_added);
INDEX_UPDATE_REMAP(vars_def_changed);
INDEX_UPDATE_REMAP(vars_uses);
#undef INDEX_UPDATE_REMAP
}
// Merges the contents of |update| into this IndexUpdate instance.
void Merge(const IndexUpdate& update) {
#define INDEX_UPDATE_MERGE(name) \
AddRange(&name, id_map->Remap(update.##name));
INDEX_UPDATE_MERGE(types_removed);
INDEX_UPDATE_MERGE(types_added);
INDEX_UPDATE_MERGE(types_def_changed);
INDEX_UPDATE_MERGE(types_derived);
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_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_uses);
#undef INDEX_UPDATE_MERGE
}
};
IndexUpdate::IndexUpdate(IdMap* id_map, IndexedFile& file) : id_map(id_map) {
id_map->Import(file.file_db, file.usr_to_id);
for (IndexedTypeDef& def : file.types)
types_added.push_back(QueryableTypeDef(*id_map, def));
for (IndexedFuncDef& def : file.funcs)
funcs_added.push_back(QueryableFuncDef(*id_map, def));
for (IndexedVarDef& def : file.vars)
vars_added.push_back(QueryableVarDef(*id_map, def));
}
template<typename TValue>
TValue* TryFind(std::unordered_set<TValue*>& set, TValue* value) {
@ -442,56 +515,14 @@ bool ComputeDifferenceForUpdate(
return !removed->empty() || !added->empty();
}
#if false
template<typename T>
void CompareGroups(
std::vector<T>& previous_data, std::vector<T>& current_data,
std::function<void(T*)> on_removed, std::function<void(T*)> on_added, std::function<void(T*, T*)> on_found) {
// TODO: It could be faster to use set_intersection and set_difference to
// compute these values. We will have to presort the input by ID, though.
// Precompute sets so we stay around O(3N) instead of O(N^2). Otherwise
// lookups for duplicate elements will be O(N) and we need them to be O(1).
std::unordered_set<T*> previous_set = CreateSet(previous_data);
std::unordered_set<T*> current_set = CreateSet(current_data);
// TODO: TryFind is just comparing pointers which obviously fails because they point to different memory...
for (T* current_entry : current_set) {
// Possibly updated.
if (T* previous_entry = TryFind(previous_set, current_entry))
on_found(previous_entry, current_entry);
// Added
else
on_added(current_entry);
}
for (T* previous_entry : previous_set) {
// Removed
if (!TryFind(current_set, previous_entry))
on_removed(previous_entry);
}
}
#endif
template<typename T>
void CompareGroups(
std::vector<T>& previous_data, std::vector<T>& current_data,
std::function<void(T*)> on_removed, std::function<void(T*)> on_added, std::function<void(T*, T*)> on_found) {
// TODO: It could be faster to use set_intersection and set_difference to
// compute these values. We will have to presort the input by ID, though.
std::sort(previous_data.begin(), previous_data.end());
std::sort(current_data.begin(), current_data.end());
/*
std::set_difference(
current_data.begin(), current_data.end(),
previous_data.begin(), previous_data.end(),
boost::make_function_output_iterator([](const T& val) {
}));
*/
auto prev_it = previous_data.begin();
auto curr_it = current_data.begin();
while (prev_it != previous_data.end() && curr_it != current_data.end()) {
@ -608,16 +639,124 @@ IndexUpdate ComputeDiff(IdMap* id_map, IndexedFile& previous, IndexedFile& curre
#undef JOIN
}
// Merge the contents of |source| into |destination|.
void Merge(const IndexUpdate& source, IndexUpdate* destination) {
// TODO.
// The query database is heavily optimized for fast queries. It is stored
// in-memory.
struct QueryableDatabase {
// Indicies between lookup vectors are related to symbols, ie, index 5 in
// |qualified_names| matches index 5 in |symbols|.
std::vector<QueryableEntry> qualified_names;
std::vector<SymbolIdx> symbols;
// Raw data storage.
std::vector<QueryableTypeDef> types;
std::vector<QueryableFuncDef> funcs;
std::vector<QueryableVarDef> vars;
// TypeId to index in |types| (same for funcs, vars)
std::unordered_map<TypeId, int> type_id_to_index;
std::unordered_map<FuncId, int> func_id_to_index;
std::unordered_map<VarId, int> var_id_to_index;
// |files| is indexed by FileId. Retrieve a FileId from a path using
// |file_db|.
FileDb file_db;
std::vector<QueryableFile> files;
// When importing data into the global db we need to remap ids from an
// arbitrary group into the global group.
IdMap id_map;
QueryableDatabase(GroupId group);
// Insert the contents of |update| into |db|.
void ApplyIndexUpdate(IndexUpdate* update);
};
template<typename TDef, typename TId>
void RemoveAll(std::unordered_map<TId, int>* id_map, std::vector<TDef>* defs, const std::vector<TId>& ids_to_remove) {
auto to_erase = std::remove_if(defs->begin(), defs->end(), [&](const TDef& def) {
// TODO: make ids_to_remove a set?
return std::find(ids_to_remove.begin(), ids_to_remove.end(), def.def.id) != ids_to_remove.end();
});
for (auto it = to_erase; it != defs->end(); ++it) {
id_map->erase(it->def.id);
}
defs->erase(to_erase, defs->end());
}
// Insert the contents of |update| into |db|.
void ApplyIndexUpdate(const IndexUpdate& update, QueryableDatabase* db) {
template<typename TDef, typename TId>
void AddAll(std::unordered_map<TId, int>* id_map, std::vector<TDef>* defs, const std::vector<TDef>& to_add) {
for (const TDef& def : to_add) {
(*id_map)[def.def.id] = defs->size();
defs->push_back(def);
}
}
template<typename TDef, typename TId>
void ApplyUpdates(std::unordered_map<TId, int>* id_map, std::vector<TDef>* defs, const std::vector<typename TDef::DefUpdate>& updates) {
for (const typename TDef::DefUpdate& def : updates) {
TId id = def.id;
int index = (*id_map)[id];
(*defs)[index].def = def;
}
}
QueryableDatabase::QueryableDatabase(GroupId group) : id_map(group), file_db(group) {}
void QueryableDatabase::ApplyIndexUpdate(IndexUpdate* update) {
id_map.Import(update->id_map);
#define JOIN(a, b) a##b
#define HANDLE_MERGEABLE(update_var_name, def_var_name, index_name, storage_name) \
for (auto merge_update : JOIN(update->, update_var_name)) { \
int index = JOIN(index_name, [merge_update.id]); \
auto* def = &JOIN(storage_name, [index]); \
AddRange(JOIN(&def->, def_var_name), merge_update.to_add); \
RemoveRange(JOIN(&def->, def_var_name), merge_update.to_remove); \
}
update->Remap(&id_map);
RemoveAll(&type_id_to_index, &types, update->types_removed);
AddAll(&type_id_to_index, &types, update->types_added);
ApplyUpdates(&type_id_to_index, &types, update->types_def_changed);
HANDLE_MERGEABLE(types_derived, derived, type_id_to_index, types);
HANDLE_MERGEABLE(types_uses, uses, type_id_to_index, types);
RemoveAll(&func_id_to_index, &funcs, update->funcs_removed);
AddAll(&func_id_to_index, &funcs, update->funcs_added);
ApplyUpdates(&func_id_to_index, &funcs, update->funcs_def_changed);
HANDLE_MERGEABLE(funcs_declarations, declarations, func_id_to_index, funcs);
HANDLE_MERGEABLE(funcs_derived, derived, func_id_to_index, funcs);
HANDLE_MERGEABLE(funcs_callers, callers, func_id_to_index, funcs);
HANDLE_MERGEABLE(funcs_uses, uses, func_id_to_index, funcs);
RemoveAll(&var_id_to_index, &vars, update->vars_removed);
AddAll(&var_id_to_index, &vars, update->vars_added);
ApplyUpdates(&var_id_to_index, &vars, update->vars_def_changed);
HANDLE_MERGEABLE(vars_uses, uses, var_id_to_index, vars);
#undef HANDLE_MERGEABLE
#undef JOIN
}
int main(int argc, char** argv) {
@ -634,8 +773,14 @@ int main(int argc, char** argv) {
// TODO: We don't need to do ID remapping when computting a diff. Well, we need to do it for the IndexUpdate.
IdMap dest_ids(2);
IndexUpdate import(&dest_ids, indexed_file_a);
dest_ids.Import(indexed_file_b.file_db, indexed_file_b.usr_to_id);
IndexUpdate update = ComputeDiff(&dest_ids, indexed_file_a, indexed_file_b);
QueryableDatabase db(5);
db.ApplyIndexUpdate(&import);
db.ApplyIndexUpdate(&update);
return 0;
}

85
query.h
View File

@ -1,5 +1,7 @@
#pragma once
#include "indexer.h"
// NOTE: If updating this enum, make sure to also update the parser and the
// help text.
enum class Command {
@ -18,4 +20,87 @@ enum class Command {
enum class PreferredSymbolLocation {
Declaration,
Definition
};
using Usr = std::string;
struct IdMap;
// 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.
//
// For simplicitly, if the single definition has changed, we update all of the
// associated single-owner definition data. See |Update*DefId|.
//
// If one of the many symbol users submits an update, we store the update such
// that it can be merged with other updates before actually being applied to
// the main database. See |MergeableUpdate|.
template<typename TId, typename TValue>
struct MergeableUpdate {
// The type/func/var which is getting new usages.
TId id;
// Entries to add and remove.
std::vector<TValue> to_add;
std::vector<TValue> to_remove;
};
struct QueryableTypeDef {
TypeDefDefinitionData def;
std::vector<TypeId> derived;
std::vector<Location> uses;
using DefUpdate = TypeDefDefinitionData;
using DerivedUpdate = MergeableUpdate<TypeId, TypeId>;
using UsesUpdate = MergeableUpdate<TypeId, Location>;
QueryableTypeDef(IdMap& id_map, const IndexedTypeDef& indexed);
};
struct QueryableFuncDef {
FuncDefDefinitionData def;
std::vector<Location> declarations;
std::vector<FuncId> derived;
std::vector<FuncRef> callers;
std::vector<Location> uses;
using DefUpdate = FuncDefDefinitionData;
using DeclarationsUpdate = MergeableUpdate<FuncId, Location>;
using DerivedUpdate = MergeableUpdate<FuncId, FuncId>;
using CallersUpdate = MergeableUpdate<FuncId, FuncRef>;
using UsesUpdate = MergeableUpdate<FuncId, Location>;
QueryableFuncDef(IdMap& id_map, const IndexedFuncDef& indexed);
};
struct QueryableVarDef {
VarDefDefinitionData def;
std::vector<Location> uses;
using DefUpdate = VarDefDefinitionData;
using UsesUpdate = MergeableUpdate<VarId, Location>;
QueryableVarDef(IdMap& id_map, const IndexedVarDef& indexed);
};
enum class SymbolKind { Type, Func, Var };
struct SymbolIdx {
SymbolKind kind;
union {
uint64_t type_idx;
uint64_t func_idx;
uint64_t var_idx;
};
};
struct QueryableFile {
FileId file_id;
// Symbols declared in the file.
std::vector<SymbolIdx> declared_symbols;
// Symbols which have definitions in the file.
std::vector<SymbolIdx> defined_symbols;
};