Added support to set functions for module

src/zend/module.rs

@@ -8,11 +8,79 @@ type InfoFunc = extern fn () ;
 type GlobalsCtorFunc = extern fn (global: *const c_void) -> c_void;
 type GlobalsDtorFunc = extern fn (global: *const c_void) -> c_void;
 type PostDeactivateFunc = extern fn () -> c_int;
+type HandlerFunc = extern fn (execute_data: &ExecuteData, retval: &Value);
 
-
-
+pub struct ExecuteData {}
+pub struct Value {}
 pub struct ModuleDep {}
-pub struct Function {}
+
+#[repr(C)]
+pub struct ArgInfo {
+	name: *const c_char,
+	class_name: *const c_char,
+	type_hint: c_uchar,
+	pass_by_reference: c_uchar,
+	allow_null: c_uchar,
+	is_variadic: c_uchar,
+} 
+
+impl ArgInfo {
+    pub fn new(name: *const c_char, allow_null: c_uchar, is_variadic: c_uchar, by_reference: c_uchar) -> ArgInfo {
+        ArgInfo {
+            name: name,
+            class_name: std::ptr::null(),
+            type_hint: 0,
+            pass_by_reference: by_reference,
+            allow_null: allow_null,
+            is_variadic: is_variadic,
+        }
+    }
+}
+
+#[repr(C)]
+pub struct Function {
+	fname: *const c_char,
+    handler: Option<HandlerFunc>,
+	arg_info: *const  ArgInfo,
+	num_args: u32,
+	flags: u32,
+}
+
+impl Function {
+    pub fn new(name: *const c_char, handler: HandlerFunc) -> Function {
+        Function {
+            fname: name,
+            handler: Some(handler),
+            arg_info: std::ptr::null(),
+            num_args: 0,
+            flags: 0,
+        }
+    }
+
+    pub fn new_with_args(name: *const c_char, handler: HandlerFunc, args: Box<[ArgInfo]>) -> Function {
+        let num_args = args.len() as u32;
+
+        Function {
+            fname: name,
+            handler: Some(handler),
+            arg_info: Box::into_raw(args) as *const ArgInfo,
+            num_args: num_args - 1,
+            flags: 0,
+        }
+    }
+
+    pub fn end() -> Function {
+        Function {
+            fname: std::ptr::null(),
+            handler: None,
+            arg_info: std::ptr::null(),
+            num_args: 0,
+            flags: 0,
+        }
+    }
+
+}
+
 pub struct INI {}
 
 #[repr(C)]
@@ -84,6 +152,10 @@ impl Module {
     pub fn set_info_func(&mut self, func: InfoFunc) {
         self.info_func = Some(func);
     }
+
+    pub fn set_functions(&mut self, funcs: Box<[Function]>) {
+        self.functions = Box::into_raw(funcs) as *const Function;
+    }
 }
 
 unsafe impl Sync for Module {}