Berry instrospect.name() to get names of functions, modules and classes (#18422)

CHANGELOG.md

@@ -10,6 +10,7 @@ All notable changes to this project will be documented in this file.
 - Berry `webserver.html_escape()` reusing the internal HTML escaping function
 - Support for GDK101 gamma radiation sensor by Petr Novacek (#18390)
 - Matter support in now stabilized for Apple and Google (not tested with Alexa)
+- Berry `instrospect.name()` to get names of functions, modules and classes
 
 ### Breaking Changed
 

lib/libesp32/berry/src/be_introspectlib.c

@@ -188,6 +188,31 @@ static int m_ismethod(bvm *vm)
     be_return_nil(vm);
 }
 
+static int m_name(bvm *vm)
+{
+    int top = be_top(vm);
+    if (top >= 1) {
+        bvalue *v = be_indexof(vm, 1);
+        const char* name = NULL;
+        switch (var_type(v)) {
+            case BE_CLOSURE:
+                name = str(((bclosure*) var_toobj(v))->proto->name);
+                break;
+            case BE_CLASS:
+                name = str(((bclass*) var_toobj(v))->name);
+                break;
+            case BE_MODULE:
+                name = be_module_name(var_toobj(v));
+                break;
+        }
+        if (name) {
+            be_pushstring(vm, name);
+            be_return(vm);
+        }
+    }
+    be_return_nil(vm);
+}
+
 #if !BE_USE_PRECOMPILED_OBJECT
 be_native_module_attr_table(introspect) {
     be_native_module_function("members", m_attrlist),
@@ -201,6 +226,8 @@ be_native_module_attr_table(introspect) {
     be_native_module_function("toptr", m_toptr),
     be_native_module_function("fromptr", m_fromptr),
 
+    be_native_module_function("name", m_name),
+
     be_native_module_function("ismethod", m_ismethod),
 };
 
@@ -219,6 +246,8 @@ module introspect (scope: global, depend: BE_USE_INTROSPECT_MODULE) {
     toptr, func(m_toptr)
     fromptr, func(m_fromptr)
 
+    name, func(m_name)
+
     ismethod, func(m_ismethod)
 }
 @const_object_info_end */