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hierarchicalDocumentSymbol: use a range based method to support

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out-of-line class members (#674)
This commit is contained in:
Ludovic J 2021-05-09 18:38:42 +02:00 committed by Fangrui Song
parent c6686be382
commit c018bce9af
1 changed files with 44 additions and 85 deletions
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129
src/messages/textDocument_document.cc
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@ -128,16 +128,6 @@ template <> bool ignore(const QueryType::Def *def) {
template <> bool ignore(const QueryVar::Def *def) {
return !def || def->is_local();
}
void uniquify(std::vector<std::unique_ptr<DocumentSymbol>> &cs) {
std::sort(cs.begin(), cs.end(),
[](auto &l, auto &r) { return l->range < r->range; });
cs.erase(std::unique(cs.begin(), cs.end(),
[](auto &l, auto &r) { return l->range == r->range; }),
cs.end());
for (auto &c : cs)
uniquify(c->children);
}
} // namespace
void MessageHandler::textDocument_documentSymbol(JsonReader &reader,
@ -165,89 +155,58 @@ void MessageHandler::textDocument_documentSymbol(JsonReader &reader,
std::sort(result.begin(), result.end());
reply(result);
} else if (g_config->client.hierarchicalDocumentSymbolSupport) {
std::unordered_map<SymbolIdx, std::unique_ptr<DocumentSymbol>> sym2ds;
std::vector<std::pair<std::vector<const void *>, DocumentSymbol *>> funcs,
types;
for (auto [sym, refcnt] : file->symbol2refcnt) {
if (refcnt <= 0 || !sym.extent.valid())
continue;
auto r = sym2ds.try_emplace(SymbolIdx{sym.usr, sym.kind});
auto &ds = r.first->second;
if (!ds || sym.role & Role::Definition) {
if (!ds)
ds = std::make_unique<DocumentSymbol>();
if (auto range = getLsRange(wf, sym.range)) {
ds->selectionRange = *range;
ds->range = ds->selectionRange;
// For a macro expansion, M(name), we may use `M` for extent and
// `name` for spell, do the check as selectionRange must be a subrange
// of range.
if (sym.extent.valid())
if (auto range1 = getLsRange(wf, sym.extent);
range1 && range1->includes(*range))
ds->range = *range1;
}
std::vector<ExtentRef> syms;
syms.reserve(file->symbol2refcnt.size());
for (auto [sym, refcnt] : file->symbol2refcnt)
if (refcnt > 0 && sym.extent.valid())
syms.push_back(sym);
// Global variables `int i, j, k;` have the same extent.start. Sort them by
// range.start instead. In case of a tie, prioritize the widest ExtentRef.
std::sort(syms.begin(), syms.end(),
[](const ExtentRef &lhs, const ExtentRef &rhs) {
return std::tie(lhs.range.start, rhs.extent.end) <
std::tie(rhs.range.start, lhs.extent.end);
});
std::vector<std::unique_ptr<DocumentSymbol>> res;
std::vector<DocumentSymbol *> scopes;
for (ExtentRef sym : syms) {
auto ds = std::make_unique<DocumentSymbol>();
if (auto range = getLsRange(wf, sym.range)) {
ds->selectionRange = *range;
ds->range = ds->selectionRange;
// For a macro expansion, M(name), we may use `M` for extent and
// `name` for spell, do the check as selectionRange must be a subrange
// of range.
if (sym.extent.valid())
if (auto range1 = getLsRange(wf, sym.extent);
range1 && range1->includes(*range))
ds->range = *range1;
}
if (!r.second)
continue;
std::vector<const void *> def_ptrs;
SymbolKind kind = SymbolKind::Unknown;
withEntity(db, sym, [&](const auto &entity) {
auto *def = entity.anyDef();
const auto *def = entity.anyDef();
if (!def)
return;
ds->name = def->name(false);
ds->detail = def->detailed_name;
for (auto &def : entity.def)
if (def.file_id == file_id && !ignore(&def)) {
kind = ds->kind = def.kind;
def_ptrs.push_back(&def);
}
});
if (def_ptrs.empty() || !(kind == SymbolKind::Namespace || allows(sym))) {
ds.reset();
continue;
}
if (sym.kind == Kind::Func)
funcs.emplace_back(std::move(def_ptrs), ds.get());
else if (sym.kind == Kind::Type)
types.emplace_back(std::move(def_ptrs), ds.get());
}
ds->kind = def->kind;
for (auto &[def_ptrs, ds] : funcs)
for (const void *def_ptr : def_ptrs)
for (Usr usr1 : ((const QueryFunc::Def *)def_ptr)->vars) {
auto it = sym2ds.find(SymbolIdx{usr1, Kind::Var});
if (it != sym2ds.end() && it->second)
ds->children.push_back(std::move(it->second));
if (!ignore(def) && (ds->kind == SymbolKind::Namespace || allows(sym))) {
// Drop scopes which are before selectionRange.start. In
// `int i, j, k;`, the scope of i will be ended by j.
while (!scopes.empty() &&
scopes.back()->range.end <= ds->selectionRange.start)
scopes.pop_back();
auto *ds1 = ds.get();
if (scopes.empty())
res.push_back(std::move(ds));
else
scopes.back()->children.push_back(std::move(ds));
scopes.push_back(ds1);
}
for (auto &[def_ptrs, ds] : types)
for (const void *def_ptr : def_ptrs) {
auto *def = (const QueryType::Def *)def_ptr;
for (Usr usr1 : def->funcs) {
auto it = sym2ds.find(SymbolIdx{usr1, Kind::Func});
if (it != sym2ds.end() && it->second)
ds->children.push_back(std::move(it->second));
}
for (Usr usr1 : def->types) {
auto it = sym2ds.find(SymbolIdx{usr1, Kind::Type});
if (it != sym2ds.end() && it->second)
ds->children.push_back(std::move(it->second));
}
for (auto [usr1, _] : def->vars) {
auto it = sym2ds.find(SymbolIdx{usr1, Kind::Var});
if (it != sym2ds.end() && it->second)
ds->children.push_back(std::move(it->second));
}
}
std::vector<std::unique_ptr<DocumentSymbol>> result;
for (auto &[_, ds] : sym2ds)
if (ds) {
uniquify(ds->children);
result.push_back(std::move(ds));
}
uniquify(result);
reply(result);
});
}
reply(res);
} else {
std::vector<SymbolInformation> result;
for (auto [sym, refcnt] : file->symbol2refcnt) {