feat: Suppor tquery align_of of class

Author: AmrDeveloper

README.md

@@ -54,7 +54,8 @@ SELECT * FROM globals WHERE is_volatile
   | bases_count   | Integer | Number of bases for this class  |
   | methods_count | Integer | Number of methods declarations  |
   | fields_count  | Integer | Number of fields declarations   |
-  | size_of       | Integer | Class Size in bytes             |
+  | size          | Integer | The size of class in bytes      |
+  | align         | Integer | The align of class in bytes     |
   | file          | Text    | File path                       |
   | line          | Integer | Line at the file path           |
   | column        | Integer | Column at the file path         |

src/data_provider.rs

@@ -131,8 +131,13 @@ fn select_classes(
                 continue;
             }
 
-            if field_name == "size_of" {
-                values.push(Value::Integer(class.size_of));
+            if field_name == "size" {
+                values.push(Value::Integer(class.size));
+                continue;
+            }
+
+            if field_name == "align" {
+                values.push(Value::Integer(class.align));
                 continue;
             }
 

src/schema.rs

@@ -31,7 +31,8 @@ lazy_static! {
         map.insert("fields_count", DataType::Integer);
         map.insert("constants_count", DataType::Integer);
 
-        map.insert("size_of", DataType::Integer);
+        map.insert("size", DataType::Integer);
+        map.insert("align", DataType::Integer);
 
         // Source code location columns
         map.insert("file", DataType::Text);
@@ -53,7 +54,8 @@ lazy_static! {
                 "bases_count",
                 "methods_count",
                 "fields_count",
-                "size_of",
+                "size",
+                "align",
                 "line",
                 "column",
                 "offset",

src/visitor/class.rs

@@ -12,7 +12,8 @@ pub struct ClassNode {
     pub name: String,
     pub attributes: ClassAttributes,
     pub is_struct: bool,
-    pub size_of: i64,
+    pub size: i64,
+    pub align: i64,
     pub location: location::SourceLocation,
 }
 
@@ -73,7 +74,8 @@ extern "C" fn visit_class_or_struct_declaration(
             let is_struct = cursor_kind == CXCursor_StructDecl;
 
             let class_type = clang_getCursorType(cursor);
-            let size_of = clang_Type_getSizeOf(class_type) / 8;
+            let size = clang_Type_getSizeOf(class_type) / 8;
+            let align = clang_Type_getAlignOf(class_type) / 8;
 
             let mut attributes = ClassAttributes::default();
             let attributes_pointer = &mut attributes as *mut ClassAttributes as *mut c_void;
@@ -83,7 +85,8 @@ extern "C" fn visit_class_or_struct_declaration(
                 name: class_name.to_string(),
                 attributes,
                 is_struct,
-                size_of,
+                size,
+                align,
                 location,
             });