all-tests-passing

libclangmm/Cursor.cc

@@ -19,10 +19,24 @@ std::string Type::get_usr() const {
   return clang::Cursor(clang_getTypeDeclaration(cx_type)).get_usr();
 }
 
+Type Type::strip_qualifiers() const {
+  //CXRefQualifierKind qualifiers = clang_Type_getCXXRefQualifier(cx_type)
+  switch (cx_type.kind) {
+  case CXType_Pointer:
+    return clang_getPointeeType(cx_type);
+  }
+
+  return cx_type;
+}
+
 std::string Type::get_spelling() const {
   return ToString(clang_getTypeSpelling(cx_type));
 }
 
+SourceLocation Cursor::get_source_location() const {
+  return SourceLocation(clang_getCursorLocation(cx_cursor));
+}
+
 Type Type::get_return_type() const {
   return Type(clang_getResultType(cx_type));
 }
@@ -64,10 +78,6 @@ Type Cursor::get_type() const {
   return Type(clang_getCursorType(cx_cursor));
 }
 
-SourceLocation Cursor::get_source_location() const {
-  return SourceLocation(clang_getCursorLocation(cx_cursor));
-}
-
 /*
 SourceRange Cursor::get_source_range() const {
   return SourceRange(clang_getCursorExtent(cx_cursor));

libclangmm/Cursor.h

@@ -21,6 +21,10 @@ public:
 
   std::string get_usr() const;
   std::string get_spelling() const;
+
+  // Try to resolve this type and remove qualifies, ie, Foo* will become Foo
+  Type strip_qualifiers() const;
+
   Type get_return_type() const;
   std::vector<Type> get_arguments() const;
 

main.cpp

@@ -84,7 +84,9 @@ struct TypeDef {
   // Usages.
   std::vector<clang::SourceLocation> uses;
 
-  TypeDef(TypeId id, const std::string& usr) : id(id), usr(usr) {}
+  TypeDef(TypeId id, const std::string& usr) : id(id), usr(usr) {
+    std::cout << "Creating type type with usr " << usr << std::endl;
+  }
 };
 
 struct FuncDef {
@@ -527,7 +529,12 @@ void Dump(clang::Cursor cursor) {
 
 
 
-
+// TODO: See if we can improve type usage reporting, for example
+//  void foo() {
+//    Foo x;
+//  }
+// The usage on |Foo| will be reported at the |x| variable location. We should
+// report it at the start of |Foo| instead. 
 
 
 void HandleVarDecl(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor var, std::optional<TypeId> declaring_type) {
@@ -549,6 +556,11 @@ void HandleVarDecl(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor var, s
     var_def->declaring_type = declaring_type;
   }
 
+  // Add a usage to the type of the variable.
+  clang::Type var_type = var.get_type().strip_qualifiers();
+  TypeId var_type_id = db->ToTypeId(var_type.get_usr());
+  db->Resolve(var_type_id)->uses.push_back(var.get_source_location());
+
   // We don't do any additional processing for non-definitions.
   if (!var.is_definition()) {
     var_def->declaration = var.get_source_location();
@@ -563,7 +575,7 @@ void HandleVarDecl(ParsingDatabase* db, NamespaceStack* ns, clang::Cursor var, s
   // TODO: Figure out how to scan initializations properly. We probably need
   //       to scan for assignment statement, or definition+ctor.
   var_def->initializations.push_back(var.get_source_location());
-  var_def->variable_type = db->ToTypeId(var.get_type().get_usr());
+  var_def->variable_type = db->ToTypeId(var.get_type().strip_qualifiers().get_usr());
 }
 
 
@@ -935,7 +947,7 @@ 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/func_usage_class_inline_var_def.cc") continue;
+    //if (path != "tests/usage/type_usage_declare_extern.cc") continue;
 
     // Parse expected output from the test, parse it into JSON document.
     std::string expected_output;

tests/usage/func_usage_addr_func.cc

@@ -13,7 +13,8 @@ void user() {
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/usage/func_usage_addr_func.cc:1:19", "tests/usage/func_usage_addr_func.cc:6:8"]
     }],
   "functions": [{
       "id": 0,

tests/usage/func_usage_addr_method.cc

@@ -18,7 +18,8 @@ OUTPUT:
       "definition": "tests/usage/func_usage_addr_method.cc:1:8",
       "funcs": [0]
     }, {
-      "id": 1
+      "id": 1,
+      "uses": ["tests/usage/func_usage_addr_method.cc:6:8"]
     }],
   "functions": [{
     "id": 0,

tests/usage/func_usage_call_method.cc

@@ -16,9 +16,8 @@ OUTPUT:
       "short_name": "Foo",
       "qualified_name": "Foo",
       "definition": "tests/usage/func_usage_call_method.cc:1:8",
-      "funcs": [0]
+      "funcs": [0],
-    }, {
+      "uses": ["tests/usage/func_usage_call_method.cc:6:8"]
-      "id": 1
     }],
   "functions": [{
       "id": 0,
@@ -44,7 +43,7 @@ OUTPUT:
       "qualified_name": "f",
       "declaration": "tests/usage/func_usage_call_method.cc:6:8",
       "initializations": ["tests/usage/func_usage_call_method.cc:6:8"],
-      "variable_type": 1
+      "variable_type": 0
     }]
 }
 */

tests/usage/func_usage_class_inline_var_def.cc

@@ -20,7 +20,8 @@ OUTPUT:
       "definition": "tests/usage/func_usage_class_inline_var_def.cc:5:7",
       "vars": [0]
     }, {
-      "id": 1
+      "id": 1,
+      "uses": ["tests/usage/func_usage_class_inline_var_def.cc:6:7"]
     }],
   "functions": [{
       "id": 0,

tests/usage/func_usage_forward_decl_method.cc

@@ -15,9 +15,8 @@ OUTPUT:
       "short_name": "Foo",
       "qualified_name": "Foo",
       "definition": "tests/usage/func_usage_forward_decl_method.cc:1:8",
-      "funcs": [0]
+      "funcs": [0],
-    }, {
+      "uses": ["tests/usage/func_usage_forward_decl_method.cc:6:8"]
-      "id": 1
     }],
   "functions": [{
       "id": 0,
@@ -43,7 +42,7 @@ OUTPUT:
       "qualified_name": "f",
       "declaration": "tests/usage/func_usage_forward_decl_method.cc:6:8",
       "initializations": ["tests/usage/func_usage_forward_decl_method.cc:6:8"],
-      "variable_type": 1
+      "variable_type": 0
     }]
 }
 */

tests/usage/type_usage_as_template_parameter.cc

@@ -0,0 +1,8 @@
+/*
+OUTPUT:
+{
+  "types": [],
+  "functions": [],
+  "variables": []
+}
+*/

tests/usage/type_usage_declare_extern.cc

@@ -9,7 +9,8 @@ OUTPUT:
       "usr": "c:@S@T",
       "short_name": "T",
       "qualified_name": "T",
-      "definition": "tests/usage/type_usage_declare_extern.cc:1:8"
+      "definition": "tests/usage/type_usage_declare_extern.cc:1:8",
+      "uses": ["tests/usage/type_usage_declare_extern.cc:3:10"]
     }],
   "functions": [],
   "variables": [{

tests/usage/type_usage_on_parameter_unnamed.cc

@@ -0,0 +1,8 @@
+/*
+OUTPUT:
+{
+  "types": [],
+  "functions": [],
+  "variables": []
+}
+*/

tests/usage/type_usage_on_static.cc

@@ -1,4 +1,6 @@
 /*
+// TODO: Idea with this test is to verify we will capture std::unique_ptr<T>
+
 OUTPUT:
 {
   "types": [],

tests/vars/class_member.cc

@@ -12,7 +12,8 @@ OUTPUT:
       "definition": "tests/vars/class_member.cc:1:7",
       "vars": [0]
     }, {
-      "id": 1
+      "id": 1,
+      "uses": ["tests/vars/class_member.cc:2:7"]
     }],
   "functions": [],
   "variables": [{

tests/vars/class_static_member.cc

@@ -13,7 +13,8 @@ OUTPUT:
       "definition": "tests/vars/class_static_member.cc:1:7",
       "vars": [0]
     }, {
-      "id": 1
+      "id": 1,
+      "uses": ["tests/vars/class_static_member.cc:2:14", "tests/vars/class_static_member.cc:4:10"]
     }],
   "functions": [],
   "variables": [{

tests/vars/class_static_member_decl_only.cc

@@ -11,6 +11,9 @@ OUTPUT:
       "qualified_name": "Foo",
       "definition": "tests/vars/class_static_member_decl_only.cc:1:7",
       "vars": [0]
+    }, {
+      "id": 1,
+      "uses": ["tests/vars/class_static_member_decl_only.cc:2:14"]
     }],
   "functions": [],
   "variables": [{

tests/vars/function_local.cc

@@ -5,7 +5,8 @@ void foo() {
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/vars/function_local.cc:2:7"]
     }],
   "functions": [{
       "id": 0,

tests/vars/function_param.cc

@@ -3,7 +3,8 @@ void foo(int p0, int p1) {}
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/vars/function_param.cc:1:14", "tests/vars/function_param.cc:1:22"]
     }],
   "functions": [{
       "id": 0,

tests/vars/function_param_unnamed.cc

@@ -8,7 +8,8 @@ void foo(int, int) {}
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/vars/function_param_unnamed.cc:1:13", "tests/vars/function_param_unnamed.cc:1:18"]
     }],
   "functions": [{
       "id": 0,

tests/vars/function_shadow_local.cc

@@ -8,7 +8,8 @@ void foo() {
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/vars/function_shadow_local.cc:2:7", "tests/vars/function_shadow_local.cc:4:9"]
     }],
   "functions": [{
       "id": 0,

tests/vars/function_shadow_param.cc

@@ -5,7 +5,8 @@ void foo(int p) {
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/vars/function_shadow_param.cc:1:14", "tests/vars/function_shadow_param.cc:2:7"]
     }],
   "functions": [{
       "id": 0,

tests/vars/global_variable.cc

@@ -3,7 +3,8 @@ static int global = 0;
 OUTPUT:
 {
   "types": [{
-      "id": 0
+      "id": 0,
+      "uses": ["tests/vars/global_variable.cc:1:12"]
     }],
   "functions": [],
   "variables": [{

tests/vars/global_variable_decl_only.cc

@@ -2,7 +2,10 @@ extern int global;
 /*
 OUTPUT:
 {
-  "types": [],
+  "types": [{
+      "id": 0,
+      "uses": ["tests/vars/global_variable_decl_only.cc:1:12"]
+    }],
   "functions": [],
   "variables": [{
       "id": 0,