feat: Support query glboal variale is_volatile

README.md

@@ -38,6 +38,7 @@ SELECT DISTINCT name AS function_name FROM functions
 
 SELECT * FROM globals
 SELECT COUNT(name) from globals WHERE type = "int"
+SELECT * FROM globals WHERE is_volatile
 ```
 
 ---
@@ -64,10 +65,11 @@ SELECT COUNT(name) from globals WHERE type = "int"
 
 ### Gloal variables table structure
 
-| Name | Type | Description                  |
-| ---- | ---- | ---------------------------- |
-| name | Text | Global variable name         |
-| type | Text | Global variable type literal |
+| Name        | Type    | Description                       |
+| ----------- | ------- | --------------------------------- |
+| name        | Text    | Global variable name              |
+| type        | Text    | Global variable type literal      |
+| is_volatile | Boolean | True if variable type is volatile |
 
 ---
 

src/data_provider.rs

@@ -217,6 +217,11 @@ fn select_variables(
                 continue;
             }
 
+            if field_name == "is_volatile" {
+                values.push(Value::Boolean(variable.is_volatile));
+                continue;
+            }
+
             values.push(Value::Null);
         }
 

src/schema.rs

@@ -19,6 +19,7 @@ lazy_static! {
         map.insert("has_template", DataType::Boolean);
         map.insert("access_modifier", DataType::Integer);
         map.insert("is_variadic", DataType::Boolean);
+        map.insert("is_volatile", DataType::Boolean);
         map
     };
 }
@@ -44,7 +45,7 @@ lazy_static! {
                 "is_variadic",
             ],
         );
-        map.insert("globals", vec!["name", "type"]);
+        map.insert("globals", vec!["name", "type", "is_volatile"]);
         map
     };
 }

src/visitor/globals.rs

@@ -9,6 +9,7 @@ use std::ptr;
 pub struct GlobalVariableNode {
     pub name: String,
     pub type_literal: String,
+    pub is_volatile: bool,
 }
 
 pub fn select_clang_variables(path: &str) -> Vec<GlobalVariableNode> {
@@ -62,9 +63,12 @@ extern "C" fn visit_children(
                 CStr::from_ptr(clang_getCString(clang_getTypeSpelling(field_type)))
                     .to_string_lossy();
 
+            let is_volatile = clang_isVolatileQualifiedType(field_type) != 0;
+
             variables.push(GlobalVariableNode {
                 name: field_name_str.to_string(),
                 type_literal: field_type_str.to_string(),
+                is_volatile,
             });
 
             clang_disposeString(field_name);