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Set variable_type of lambda parameters

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Now a lambda parameter is listed in $cquery/vars of its type
This commit is contained in:
Fangrui Song 2018-01-02 23:54:04 -08:00
parent a63297b002
commit 74be57c334
1 changed files with 52 additions and 40 deletions
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92
src/indexer.cc
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@ -330,28 +330,57 @@ bool IsFunctionCallContext(CXCursorKind kind) {
return false;
}
void SetVarDetail(IndexVar::Def* def,
// Finds the cursor associated with the declaration type of |cursor|. This
// strips
// qualifies from |cursor| (ie, Foo* => Foo) and removes template arguments
// (ie, Foo<A,B> => Foo<*,*>).
optional<IndexTypeId> ResolveToDeclarationType(IndexFile* db,
ClangCursor cursor) {
ClangCursor declaration = cursor.get_declaration();
declaration = declaration.template_specialization_to_template_definition();
std::string usr = declaration.get_usr();
if (usr != "")
return db->ToTypeId(usr);
return nullopt;
}
void SetVarDetail(IndexVar* var,
const ClangCursor& cursor,
const CXIdxContainerInfo* semanticContainer,
bool is_first_seen,
IndexFile* db,
IndexParam* param) {
NamespaceHelper* ns = &param->ns;
IndexVar::Def& def = var->def;
std::string type_name =
ToString(clang_getTypeSpelling(clang_getCursorType(cursor.cx_cursor)));
// clang may report "(lambda at foo.cc)" which end up being a very long
// string. Shorten it to just "lambda".
if (type_name.find("(lambda at") != std::string::npos)
type_name = "lambda";
def->comments = cursor.get_comments();
def.comments = cursor.get_comments();
std::string qualified_name =
semanticContainer
? ns->QualifiedName(semanticContainer, def->short_name)
: def->short_name;
? param->ns.QualifiedName(semanticContainer, def.short_name)
: def.short_name;
if (semanticContainer && semanticContainer->cursor.kind == CXCursor_EnumDecl)
def->detailed_name = std::move(qualified_name);
def.detailed_name = std::move(qualified_name);
else {
def->detailed_name = std::move(type_name);
ConcatTypeAndName(def->detailed_name, qualified_name);
def.detailed_name = std::move(type_name);
ConcatTypeAndName(def.detailed_name, qualified_name);
}
if (is_first_seen) {
optional<IndexTypeId> var_type = ResolveToDeclarationType(db, cursor);
if (var_type) {
// Don't treat enum definition variables as instantiations.
bool is_enum_member = semanticContainer &&
semanticContainer->cursor.kind == CXCursor_EnumDecl;
if (!is_enum_member)
db->Resolve(var_type.value())->instances.push_back(var->id);
def.variable_type = *var_type;
}
}
}
@ -699,20 +728,6 @@ ClangCursor::VisitResult VisitDeclForTypeUsageVisitor(
return ClangCursor::VisitResult::Continue;
}
// Finds the cursor associated with the declaration type of |cursor|. This
// strips
// qualifies from |cursor| (ie, Foo* => Foo) and removes template arguments
// (ie, Foo<A,B> => Foo<*,*>).
optional<IndexTypeId> ResolveToDeclarationType(IndexFile* db,
ClangCursor cursor) {
ClangCursor declaration = cursor.get_declaration();
declaration = declaration.template_specialization_to_template_definition();
std::string usr = declaration.get_usr();
if (usr != "")
return db->ToTypeId(usr);
return nullopt;
}
// Add usages to any seen TypeRef or TemplateRef under the given |decl_cursor|.
// This returns the first seen TypeRef or TemplateRef value, which can be
// useful if trying to figure out ie, what a using statement refers to. If
@ -991,7 +1006,7 @@ ClangCursor::VisitResult TemplateVisitor(ClangCursor cursor,
ref_index->def.definition_extent =
ref_cursor.get_extent();
ref_index->def.short_name = ref_cursor.get_spelling();
SetVarDetail(&ref_index->def, ref_cursor, nullptr, data->param);
SetVarDetail(ref_index, ref_cursor, nullptr, true, data->db, data->param);
ref_index->uses.push_back(ref_cursor.get_spelling_range());
}
UniqueAdd(ref_index->uses, cursor.get_spelling_range());
@ -1192,7 +1207,8 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
// if (!decl->isRedeclaration) {
var->def.short_name = decl->entityInfo->name;
SetVarDetail(&var->def, decl->cursor, decl->semanticContainer, param);
SetVarDetail(var, decl->cursor, decl->semanticContainer,
!decl->isRedeclaration, db, param);
bool is_system = clang_Location_isInSystemHeader(
clang_indexLoc_getCXSourceLocation(decl->loc));
@ -1230,18 +1246,18 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
// We don't need to assign declaring type multiple times if this variable
// has already been seen.
if (!decl->isRedeclaration) {
optional<IndexTypeId> var_type =
ResolveToDeclarationType(db, decl_cursor);
if (var_type.has_value()) {
// Don't treat enum definition variables as instantiations.
bool is_enum_member =
decl->semanticContainer &&
decl->semanticContainer->cursor.kind == CXCursor_EnumDecl;
if (!is_enum_member)
db->Resolve(var_type.value())->instances.push_back(var_id);
//optional<IndexTypeId> var_type =
// ResolveToDeclarationType(db, decl_cursor);
//if (var_type.has_value()) {
// // Don't treat enum definition variables as instantiations.
// bool is_enum_member =
// decl->semanticContainer &&
// decl->semanticContainer->cursor.kind == CXCursor_EnumDecl;
// if (!is_enum_member)
// db->Resolve(var_type.value())->instances.push_back(var_id);
var->def.variable_type = var_type.value();
}
// var->def.variable_type = var_type.value();
//}
}
// TODO: Refactor handlers so more things are under 'if
@ -1597,13 +1613,9 @@ void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
// of OnIndexDeclaration. But there `decl` is of type CXIdxDeclInfo
// and has more information, thus not easy to reuse the code.
var->def.short_name = referenced.get_spelling();
SetVarDetail(&var->def, referenced, nullptr, param);
SetVarDetail(var, referenced, nullptr, true, db, param);
var->def.cls = VarClass::Local;
UniqueAdd(var->uses, referenced.get_spelling_range());
AddDeclInitializerUsages(db, referenced.cx_cursor);
// TODO Use proper semantic_container and lexical_container.
AddDeclTypeUsages(db, referenced.cx_cursor, nullptr, nullptr);
// TODO Other logic in OnIndexDeclaration may need to be adapted.
}
}
UniqueAdd(var->uses, loc_spelling);