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better-return-type-location

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This commit is contained in:
Jacob Dufault 2017-02-19 01:05:57 -08:00
parent e25d54c8b9
commit e637de145a
2 changed files with 51 additions and 17 deletions
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28
main.cpp
View File

@ -741,14 +741,23 @@ struct FuncDefinitionParam {
NamespaceStack* ns;
FuncId func_id;
bool is_definition;
bool has_return_type;
FuncDefinitionParam(ParsingDatabase* db, NamespaceStack* ns, FuncId func_id, bool is_definition)
: db(db), ns(ns), func_id(func_id), is_definition(is_definition) {}
FuncDefinitionParam(ParsingDatabase* db, NamespaceStack* ns, FuncId func_id, bool is_definition, bool has_return_type)
: db(db), ns(ns), func_id(func_id), is_definition(is_definition), has_return_type(has_return_type) {}
};
clang::VisiterResult VisitFuncDefinition(clang::Cursor cursor, clang::Cursor parent, FuncDefinitionParam* param) {
if (param->has_return_type) {
// Foo* Foo::Bar() {} will have two TypeRef nodes.
assert(cursor.get_kind() == CXCursor_TypeRef);
InsertTypeUsageAtLocation(param->db, cursor.get_referenced().get_type(), cursor.get_source_location());
param->has_return_type = false;
}
//std::cout << "VistFuncDefinition got " << cursor.ToString() << std::endl;
switch (cursor.get_kind()) {
// TODO: Maybe we should default to recurse?
/*
case CXCursor_CompoundStmt:
@ -814,13 +823,6 @@ void HandleFunc(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor func, std
func_def->declaring_type = declaring_type;
}
// Insert return type usage here instead of in the visitor. The only way to
// do it in the visitor is to search for CXCursor_TypeRef, which does not
// necessarily refer to the return type.
// TODO: Is that the case? What about a top-level visitor? Would return type
// location be better?
InsertTypeUsageAtLocation(db, func.get_type().get_return_type(), func.get_source_location());
// Don't process definition/body for declarations.
if (!func.is_definition()) {
func_def->declaration = func.get_source_location();
@ -844,7 +846,11 @@ void HandleFunc(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor func, std
if (func.is_definition())
func_def->definition = func.get_source_location();
FuncDefinitionParam funcDefinitionParam(db, &NamespaceStack::kEmpty, func_id, func.is_definition());
// Ignore any fundamental types for return. Note that void is a fundamental
// type.
bool has_return_type = !func.get_type().get_return_type().is_fundamental();
FuncDefinitionParam funcDefinitionParam(db, &NamespaceStack::kEmpty, func_id, func.is_definition(), has_return_type);
func.VisitChildren(&VisitFuncDefinition, &funcDefinitionParam);
}
@ -1119,7 +1125,7 @@ int main(int argc, char** argv) {
// TODO: Fix all existing tests.
//if (path != "tests/constructors/constructor.cc") continue;
//if (path != "tests/usage/func_usage_addr_func.cc") continue;
//if (path != "tests/vars/class_static_member.cc") continue;
//if (path != "tests/usage/type_usage_on_return_type.cc") continue;
// Parse expected output from the test, parse it into JSON document.
std::string expected_output;

36
tests/usage/type_usage_on_return_type.cc
View File

@ -4,10 +4,15 @@ Type* foo();
Type* foo();
Type* foo() {}
/*
// TODO: We should try to get the right location for type uses so it points to
// the return type and not the function name.
class Foo {
Type* Get(int);
void Empty();
};
Type* Foo::Get(int) {}
void Foo::Empty() {}
/*
OUTPUT:
{
"types": [{
@ -16,7 +21,14 @@ OUTPUT:
"short_name": "Type",
"qualified_name": "Type",
"declaration": "tests/usage/type_usage_on_return_type.cc:1:8",
"uses": ["tests/usage/type_usage_on_return_type.cc:3:7", "tests/usage/type_usage_on_return_type.cc:4:7", "tests/usage/type_usage_on_return_type.cc:5:7"]
"uses": ["tests/usage/type_usage_on_return_type.cc:3:1", "tests/usage/type_usage_on_return_type.cc:4:1", "tests/usage/type_usage_on_return_type.cc:5:1", "tests/usage/type_usage_on_return_type.cc:8:3", "tests/usage/type_usage_on_return_type.cc:12:1"]
}, {
"id": 1,
"usr": "c:@S@Foo",
"short_name": "Foo",
"qualified_name": "Foo",
"definition": "tests/usage/type_usage_on_return_type.cc:7:7",
"funcs": [1, 2]
}],
"functions": [{
"id": 0,
@ -25,6 +37,22 @@ OUTPUT:
"qualified_name": "foo",
"declaration": "tests/usage/type_usage_on_return_type.cc:4:7",
"definition": "tests/usage/type_usage_on_return_type.cc:5:7"
}, {
"id": 1,
"usr": "c:@S@Foo@F@Get#I#",
"short_name": "Get",
"qualified_name": "Foo::Get",
"declaration": "tests/usage/type_usage_on_return_type.cc:8:9",
"definition": "tests/usage/type_usage_on_return_type.cc:12:12",
"declaring_type": 1
}, {
"id": 2,
"usr": "c:@S@Foo@F@Empty#",
"short_name": "Empty",
"qualified_name": "Foo::Empty",
"declaration": "tests/usage/type_usage_on_return_type.cc:9:8",
"definition": "tests/usage/type_usage_on_return_type.cc:13:11",
"declaring_type": 1
}],
"variables": []
}