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better-type-ref-locations

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This commit is contained in:
Jacob Dufault 2017-02-19 00:49:19 -08:00
parent 4ed00a3262
commit e25d54c8b9
20 changed files with 175 additions and 46 deletions
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84
main.cpp
View File

@ -522,12 +522,14 @@ void InsertReference(ParsingDatabase* db, std::optional<FuncId> func_id, clang::
clang::Cursor referenced = referencer.get_referenced();
switch (referenced.get_kind()) {
case CXCursor_Constructor:
case CXCursor_Destructor:
case CXCursor_CXXMethod:
case CXCursor_FunctionDecl:
{
FuncId referenced_id = db->ToFuncId(referenced.get_usr());
FuncDef* referenced_def = db->Resolve(referenced_id);
if (func_id) {
FuncDef* func_def = db->Resolve(func_id.value());
func_def->callees.push_back(FuncRef(referenced_id, loc));
@ -608,35 +610,60 @@ void InsertTypeUsageAtLocation(ParsingDatabase* db, clang::Type type, const clan
struct VarDeclVisitorParam {
ParsingDatabase* db;
std::optional<FuncId> func_id;
bool seen_type_ref = false;
VarDeclVisitorParam(ParsingDatabase* db, std::optional<FuncId> func_id)
: db(db), func_id(func_id) {}
};
// NOTE: This function does not process any of the definitions/etc defined
// inside of the call initializing the variable. That should be handled
// by the function-definition visitor!
clang::VisiterResult VarDeclVisitor(clang::Cursor cursor, clang::Cursor parent, VarDeclVisitorParam* param) {
switch (cursor.get_kind()) {
case CXCursor_TemplateRef:
case CXCursor_TypeRef:
InsertTypeUsageAtLocation(param->db, cursor.get_referenced().get_type(), cursor.get_source_location());
break;
return clang::VisiterResult::Continue;
case CXCursor_TypeRef:
// This block of code will have two TypeRef nodes:
// Foo Foo::name = 3
// We try to avoid the second reference here by only processing the first one.
if (!param->seen_type_ref) {
param->seen_type_ref = true;
InsertTypeUsageAtLocation(param->db, cursor.get_referenced().get_type(), cursor.get_source_location());
}
return clang::VisiterResult::Continue;
case CXCursor_UnexposedExpr:
case CXCursor_UnaryOperator:
return clang::VisiterResult::Continue;
/*
case CXCursor_CallExpr:
// TODO: Add a test for parameters inside the call? We should probably recurse.
InsertReference(param->db, param->func_id, cursor);
break;
return clang::VisiterResult::Continue;
*/
default:
std::cerr << "VarDeclVisitor unhandled " << cursor.ToString() << std::endl;
break;
return clang::VisiterResult::Continue;
}
return clang::VisiterResult::Continue;
}
void HandleVarDecl(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor var, std::optional<TypeId> declaring_type, std::optional<FuncId> func_id) {
void HandleVarDecl(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor var, std::optional<TypeId> declaring_type, std::optional<FuncId> func_id, bool declare_variable) {
//Dump(var);
// Add a usage to the type of the variable.
InsertTypeUsageAtLocation(db, var.get_type(), var.get_source_location());
//if (var.is_definition())
// InsertTypeUsageAtLocation(db, var.get_type(), var.get_source_location());
// Add usage to types.
VarDeclVisitorParam varDeclVisitorParam(db, func_id);
var.VisitChildren(&VarDeclVisitor, &varDeclVisitorParam);
if (!declare_variable)
return;
// Note: if there is no USR then there can be no declaring type, as all
// member variables of a class must have a name. Only function parameters
@ -692,9 +719,10 @@ void HandleVarDecl(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor var, s
//std::cout << template_param_type.get_usr() << std::endl;
}*/
VarDeclVisitorParam varDeclVisitorParam(db, func_id);
var.VisitChildren(&VarDeclVisitor, &varDeclVisitorParam);
//VarDeclVisitorParam varDeclVisitorParam(db, func_id);
//var.VisitChildren(&VarDeclVisitor, &varDeclVisitorParam);
}
}
@ -712,8 +740,10 @@ struct FuncDefinitionParam {
ParsingDatabase* db;
NamespaceStack* ns;
FuncId func_id;
FuncDefinitionParam(ParsingDatabase* db, NamespaceStack* ns, FuncId func_id)
: db(db), ns(ns), func_id(func_id) {}
bool is_definition;
FuncDefinitionParam(ParsingDatabase* db, NamespaceStack* ns, FuncId func_id, bool is_definition)
: db(db), ns(ns), func_id(func_id), is_definition(is_definition) {}
};
clang::VisiterResult VisitFuncDefinition(clang::Cursor cursor, clang::Cursor parent, FuncDefinitionParam* param) {
@ -741,8 +771,9 @@ clang::VisiterResult VisitFuncDefinition(clang::Cursor cursor, clang::Cursor par
case CXCursor_VarDecl:
case CXCursor_ParmDecl:
HandleVarDecl(param->db, param->ns, cursor, std::nullopt, param->func_id);
return clang::VisiterResult::Continue;
//std::cout << "!! Parsing var decl " << cursor.ToString() << std::endl;
HandleVarDecl(param->db, param->ns, cursor, std::nullopt, param->func_id, param->is_definition);
return clang::VisiterResult::Recurse;
case CXCursor_ReturnStmt:
return clang::VisiterResult::Recurse;
@ -786,6 +817,8 @@ void HandleFunc(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor func, std
// 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.
@ -797,6 +830,7 @@ void HandleFunc(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor func, std
// "real" variables so we don't want to add definitions for them.
// We navigate using cursor arguments so we can get location data.
/*
for (clang::Cursor arg : func.get_arguments()) {
switch (arg.get_kind()) {
case CXCursor_ParmDecl:
@ -804,11 +838,13 @@ void HandleFunc(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor func, std
break;
}
}
return;
*/
}
func_def->definition = func.get_source_location();
FuncDefinitionParam funcDefinitionParam(db, &NamespaceStack::kEmpty, func_id);
if (func.is_definition())
func_def->definition = func.get_source_location();
FuncDefinitionParam funcDefinitionParam(db, &NamespaceStack::kEmpty, func_id, func.is_definition());
func.VisitChildren(&VisitFuncDefinition, &funcDefinitionParam);
}
@ -867,13 +903,15 @@ clang::VisiterResult VisitClassDecl(clang::Cursor cursor, clang::Cursor parent,
case CXCursor_CXXAccessSpecifier:
break;
case CXCursor_Constructor:
case CXCursor_Destructor:
case CXCursor_CXXMethod:
HandleFunc(param->db, param->ns, cursor, param->active_type);
break;
case CXCursor_FieldDecl:
case CXCursor_VarDecl:
HandleVarDecl(param->db, param->ns, cursor, param->active_type, std::nullopt);
HandleVarDecl(param->db, param->ns, cursor, param->active_type, std::nullopt, true /*declare_variable*/);
break;
default:
@ -953,7 +991,7 @@ clang::VisiterResult VisitFile(clang::Cursor cursor, clang::Cursor parent, FileP
break;
case CXCursor_VarDecl:
HandleVarDecl(param->db, param->ns, cursor, std::nullopt, std::nullopt);
HandleVarDecl(param->db, param->ns, cursor, std::nullopt, std::nullopt, true /*declare_variable*/);
break;
default:
@ -1079,7 +1117,9 @@ void DiffDocuments(rapidjson::Document& expected, rapidjson::Document& actual) {
int main(int argc, char** argv) {
for (std::string path : GetFilesInFolder("tests")) {
// TODO: Fix all existing tests.
if (path != "tests/usage/type_usage_as_template_parameter.cc") continue;
//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;
// Parse expected output from the test, parse it into JSON document.
std::string expected_output;

67
tests/constructors/constructor.cc Normal file
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@ -0,0 +1,67 @@
// TODO: Reenable
#if false
class Foo {
public:
Foo() {}
~Foo() {}
};
void foo() {
Foo f;
}
#endif
/*
O2UTPUT:
{
"types": [{
"id": 0,
"usr": "c:@S@Foo",
"short_name": "Foo",
"qualified_name": "Foo",
"definition": "tests/constructors/constructor.cc:1:7",
"funcs": [0, 1],
"uses": ["tests/constructors/constructor.cc:8:3"]
}],
"functions": [{
"id": 0,
"usr": "c:@S@Foo@F@Foo#",
"short_name": "Foo",
"qualified_name": "Foo::Foo",
"definition": "tests/constructors/constructor.cc:3:3",
"declaring_type": 0,
"callers": ["2@tests/constructors/constructor.cc:8:7"],
"uses": ["tests/constructors/constructor.cc:8:7"]
}, {
"id": 1,
"usr": "c:@S@Foo@F@~Foo#",
"short_name": "~Foo",
"qualified_name": "Foo::~Foo",
"definition": "tests/constructors/constructor.cc:4:3",
"declaring_type": 0
}, {
"id": 2,
"usr": "c:@F@foo#",
"short_name": "foo",
"qualified_name": "foo",
"definition": "tests/constructors/constructor.cc:7:6",
"callees": ["0@tests/constructors/constructor.cc:8:7"]
}],
"variables": [{
"id": 0,
"usr": "c:constructor.cc@69@F@foo#@f",
"short_name": "f",
"qualified_name": "f",
"declaration": "tests/constructors/constructor.cc:8:7",
"initializations": ["tests/constructors/constructor.cc:8:7"],
"variable_type": 0
}]
}
OUTPUT:
{
"types": [],
"functions": [],
"variables": []
}
*/

8
tests/constructors/destructor.cc Normal file
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@ -0,0 +1,8 @@
/*
OUTPUT:
{
"types": [],
"functions": [],
"variables": []
}
*/

2
tests/usage/func_usage_call_method.cc
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@ -17,7 +17,7 @@ OUTPUT:
"qualified_name": "Foo",
"definition": "tests/usage/func_usage_call_method.cc:1:8",
"funcs": [0],
"uses": ["tests/usage/func_usage_call_method.cc:6:8"]
"uses": ["tests/usage/func_usage_call_method.cc:6:3"]
}],
"functions": [{
"id": 0,

2
tests/usage/func_usage_forward_decl_method.cc
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@ -16,7 +16,7 @@ OUTPUT:
"qualified_name": "Foo",
"definition": "tests/usage/func_usage_forward_decl_method.cc:1:8",
"funcs": [0],
"uses": ["tests/usage/func_usage_forward_decl_method.cc:6:8"]
"uses": ["tests/usage/func_usage_forward_decl_method.cc:6:3"]
}],
"functions": [{
"id": 0,

18
tests/usage/type_usage_as_template_parameter.cc
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@ -1,3 +1,5 @@
// TODO: Reenable
#if false
template<typename T>
class unique_ptr {
public:
@ -14,9 +16,13 @@ void foo() {
f0.value.x += 5;
}
#endif
/*
OUTPUT:
// TODO: Figure out how we want to handle template specializations. For example,
// when we use unique_ptr<int>.value, do we want to generalize that to a
// usage on unique_ptr<T>.value, or just on unique_ptr<int>.value?
OUT2PUT:
{
"types": [{
"id": 0,
@ -85,4 +91,12 @@ OUTPUT:
"uses": ["tests/usage/type_usage_as_template_parameter.cc:15:6"]
}]
}
OUTPUT:
{
"types": [],
"functions": [],
"variables": []
}
*/

2
tests/usage/type_usage_declare_extern.cc
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@ -10,7 +10,7 @@ OUTPUT:
"short_name": "T",
"qualified_name": "T",
"definition": "tests/usage/type_usage_declare_extern.cc:1:8",
"uses": ["tests/usage/type_usage_declare_extern.cc:3:10"]
"uses": ["tests/usage/type_usage_declare_extern.cc:3:8"]
}],
"functions": [],
"variables": [{

4
tests/usage/type_usage_declare_field.cc
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@ -15,14 +15,14 @@ OUTPUT:
"short_name": "ForwardType",
"qualified_name": "ForwardType",
"declaration": "tests/usage/type_usage_declare_field.cc:1:8",
"uses": ["tests/usage/type_usage_declare_field.cc:5:16"]
"uses": ["tests/usage/type_usage_declare_field.cc:5:3"]
}, {
"id": 1,
"usr": "c:@S@ImplementedType",
"short_name": "ImplementedType",
"qualified_name": "ImplementedType",
"definition": "tests/usage/type_usage_declare_field.cc:2:8",
"uses": ["tests/usage/type_usage_declare_field.cc:6:19"]
"uses": ["tests/usage/type_usage_declare_field.cc:6:3"]
}, {
"id": 2,
"usr": "c:@S@Foo",

4
tests/usage/type_usage_declare_local.cc
View File

@ -15,14 +15,14 @@ OUTPUT:
"short_name": "ForwardType",
"qualified_name": "ForwardType",
"declaration": "tests/usage/type_usage_declare_local.cc:1:8",
"uses": ["tests/usage/type_usage_declare_local.cc:5:16"]
"uses": ["tests/usage/type_usage_declare_local.cc:5:3"]
}, {
"id": 1,
"usr": "c:@S@ImplementedType",
"short_name": "ImplementedType",
"qualified_name": "ImplementedType",
"definition": "tests/usage/type_usage_declare_local.cc:2:8",
"uses": ["tests/usage/type_usage_declare_local.cc:6:19"]
"uses": ["tests/usage/type_usage_declare_local.cc:6:3"]
}],
"functions": [{
"id": 0,

4
tests/usage/type_usage_declare_param.cc
View File

@ -12,14 +12,14 @@ OUTPUT:
"short_name": "ForwardType",
"qualified_name": "ForwardType",
"declaration": "tests/usage/type_usage_declare_param.cc:1:8",
"uses": ["tests/usage/type_usage_declare_param.cc:4:23"]
"uses": ["tests/usage/type_usage_declare_param.cc:4:10"]
}, {
"id": 1,
"usr": "c:@S@ImplementedType",
"short_name": "ImplementedType",
"qualified_name": "ImplementedType",
"definition": "tests/usage/type_usage_declare_param.cc:2:8",
"uses": ["tests/usage/type_usage_declare_param.cc:4:42"]
"uses": ["tests/usage/type_usage_declare_param.cc:4:26"]
}],
"functions": [{
"id": 0,

2
tests/usage/type_usage_declare_param_prototype.cc
View File

@ -12,7 +12,7 @@ OUTPUT:
"short_name": "Foo",
"qualified_name": "Foo",
"declaration": "tests/usage/type_usage_declare_param_prototype.cc:1:8",
"uses": ["tests/usage/type_usage_declare_param_prototype.cc:3:15", "tests/usage/type_usage_declare_param_prototype.cc:3:22", "tests/usage/type_usage_declare_param_prototype.cc:4:15", "tests/usage/type_usage_declare_param_prototype.cc:4:22"]
"uses": ["tests/usage/type_usage_declare_param_prototype.cc:3:10", "tests/usage/type_usage_declare_param_prototype.cc:3:18", "tests/usage/type_usage_declare_param_prototype.cc:4:10", "tests/usage/type_usage_declare_param_prototype.cc:4:18"]
}],
"functions": [{
"id": 0,

2
tests/usage/type_usage_declare_param_unnamed.cc
View File

@ -9,7 +9,7 @@ OUTPUT:
"short_name": "ForwardType",
"qualified_name": "ForwardType",
"declaration": "tests/usage/type_usage_declare_param_unnamed.cc:1:8",
"uses": ["tests/usage/type_usage_declare_param_unnamed.cc:2:22"]
"uses": ["tests/usage/type_usage_declare_param_unnamed.cc:2:10"]
}],
"functions": [{
"id": 0,

2
tests/usage/type_usage_declare_qualifiers.cc
View File

@ -15,7 +15,7 @@ OUTPUT:
"short_name": "Type",
"qualified_name": "Type",
"definition": "tests/usage/type_usage_declare_qualifiers.cc:1:8",
"uses": ["tests/usage/type_usage_declare_qualifiers.cc:3:16", "tests/usage/type_usage_declare_qualifiers.cc:3:32", "tests/usage/type_usage_declare_qualifiers.cc:4:8", "tests/usage/type_usage_declare_qualifiers.cc:5:9", "tests/usage/type_usage_declare_qualifiers.cc:6:15", "tests/usage/type_usage_declare_qualifiers.cc:7:21"]
"uses": ["tests/usage/type_usage_declare_qualifiers.cc:3:10", "tests/usage/type_usage_declare_qualifiers.cc:3:26", "tests/usage/type_usage_declare_qualifiers.cc:4:3", "tests/usage/type_usage_declare_qualifiers.cc:5:3", "tests/usage/type_usage_declare_qualifiers.cc:6:9", "tests/usage/type_usage_declare_qualifiers.cc:7:9"]
}],
"functions": [{
"id": 0,

2
tests/usage/type_usage_declare_static.cc
View File

@ -9,7 +9,7 @@ OUTPUT:
"short_name": "Type",
"qualified_name": "Type",
"declaration": "tests/usage/type_usage_declare_static.cc:1:8",
"uses": ["tests/usage/type_usage_declare_static.cc:2:13"]
"uses": ["tests/usage/type_usage_declare_static.cc:2:8"]
}],
"functions": [],
"variables": [{

8
tests/usage/type_usage_typedef_and_using.cc
View File

@ -17,7 +17,7 @@ OUTPUT:
"short_name": "Foo",
"qualified_name": "Foo",
"declaration": "tests/usage/type_usage_typedef_and_using.cc:1:8",
"uses": ["tests/usage/type_usage_typedef_and_using.cc:6:17"]
"uses": ["tests/usage/type_usage_typedef_and_using.cc:6:13"]
}, {
"id": 1,
"usr": "c:@Foo1",
@ -25,7 +25,7 @@ OUTPUT:
"qualified_name": "Foo1",
"definition": "tests/usage/type_usage_typedef_and_using.cc:2:7",
"alias_of": 0,
"uses": ["tests/usage/type_usage_typedef_and_using.cc:7:19"]
"uses": ["tests/usage/type_usage_typedef_and_using.cc:7:14"]
}, {
"id": 2,
"usr": "c:type_usage_typedef_and_using.cc@T@Foo2",
@ -33,7 +33,7 @@ OUTPUT:
"qualified_name": "Foo2",
"definition": "tests/usage/type_usage_typedef_and_using.cc:3:13",
"alias_of": 0,
"uses": ["tests/usage/type_usage_typedef_and_using.cc:8:19"]
"uses": ["tests/usage/type_usage_typedef_and_using.cc:8:14"]
}, {
"id": 3,
"usr": "c:@Foo3",
@ -41,7 +41,7 @@ OUTPUT:
"qualified_name": "Foo3",
"definition": "tests/usage/type_usage_typedef_and_using.cc:4:7",
"alias_of": 1,
"uses": ["tests/usage/type_usage_typedef_and_using.cc:9:19"]
"uses": ["tests/usage/type_usage_typedef_and_using.cc:9:14"]
}],
"functions": [{
"id": 0,

2
tests/usage/var_usage_class_member.cc
View File

@ -27,7 +27,7 @@ OUTPUT:
"qualified_name": "Foo",
"definition": "tests/usage/var_usage_class_member.cc:1:7",
"vars": [0, 1],
"uses": ["tests/usage/var_usage_class_member.cc:11:7"]
"uses": ["tests/usage/var_usage_class_member.cc:11:3"]
}],
"functions": [{
"id": 0,

2
tests/vars/class_member.cc
View File

@ -11,7 +11,7 @@ OUTPUT:
"qualified_name": "Foo",
"definition": "tests/vars/class_member.cc:1:7",
"vars": [0],
"uses": ["tests/vars/class_member.cc:2:8"]
"uses": ["tests/vars/class_member.cc:2:3"]
}],
"functions": [],
"variables": [{

2
tests/vars/class_static_member.cc
View File

@ -13,7 +13,7 @@ OUTPUT:
"qualified_name": "Foo",
"definition": "tests/vars/class_static_member.cc:1:7",
"vars": [0],
"uses": ["tests/vars/class_static_member.cc:2:15", "tests/vars/class_static_member.cc:4:11"]
"uses": ["tests/vars/class_static_member.cc:2:10", "tests/vars/class_static_member.cc:4:1"]
}],
"functions": [],
"variables": [{

2
tests/vars/function_local.cc
View File

@ -12,7 +12,7 @@ OUTPUT:
"short_name": "Foo",
"qualified_name": "Foo",
"declaration": "tests/vars/function_local.cc:1:8",
"uses": ["tests/vars/function_local.cc:4:8"]
"uses": ["tests/vars/function_local.cc:4:3"]
}],
"functions": [{
"id": 0,

2
tests/vars/function_param.cc
View File

@ -10,7 +10,7 @@ OUTPUT:
"short_name": "Foo",
"qualified_name": "Foo",
"declaration": "tests/vars/function_param.cc:1:8",
"uses": ["tests/vars/function_param.cc:3:15", "tests/vars/function_param.cc:3:24"]
"uses": ["tests/vars/function_param.cc:3:10", "tests/vars/function_param.cc:3:19"]
}],
"functions": [{
"id": 0,