delete unused code

Author: tagomoris

namespace.c

@@ -72,119 +72,6 @@ rb_main_namespace(void)
     return main_namespace;
 }
 
-/*
-static bool
-namespace_ignore_builtin_primitive_methods_p(const rb_namespace_t *ns, rb_method_definition_t *def)
-{
-    if (!NAMESPACE_BUILTIN_P(ns)) {
-        return false;
-    }
-    / Primitive methods (just to call C methods) covers/hides the effective
-       namespaces, so ignore the methods' namespaces to expose user code's
-       namespace to the implementation.
-     /
-    if (def->type == VM_METHOD_TYPE_ISEQ) {
-        ID mid = def->original_id;
-        const char *path = RSTRING_PTR(pathobj_path(def->body.iseq.iseqptr->body->location.pathobj));
-        if (strcmp(path, "<internal:kernel>") == 0) {
-            if (mid == rb_intern("class") || mid == rb_intern("clone") ||
-                mid == rb_intern("tag") || mid == rb_intern("then") ||
-                mid == rb_intern("yield_self") || mid == rb_intern("loop") ||
-                mid == rb_intern("Float") || mid == rb_intern("Integer")
-                ) {
-                return true;
-            }
-        }
-        else if (strcmp(path, "<internal:warning>") == 0) {
-            if (mid == rb_intern("warn")) {
-                return true;
-            }
-        }
-        else if (strcmp(path, "<internal:marshal>") == 0) {
-            if (mid == rb_intern("load"))
-                return true;
-        }
-    }
-    return false;
-}
-
-static inline const rb_namespace_t *
-block_proc_namespace(const VALUE procval)
-{
-    rb_proc_t *proc;
-
-    if (procval) {
-        GetProcPtr(procval, proc);
-        return proc->ns;
-    }
-    else {
-        return NULL;
-    }
-}
-
-static const rb_namespace_t *
-current_namespace(bool permit_calling_builtin)
-{
-    /
-     * TODO: move this code to vm.c or somewhere else
-     *       when it's fully updated with VM_FRAME_FLAG_*
-     /
-    const rb_callable_method_entry_t *cme;
-    const rb_namespace_t *ns;
-    rb_execution_context_t *ec = GET_EC();
-    rb_control_frame_t *cfp = ec->cfp;
-    rb_thread_t *th = rb_ec_thread_ptr(ec);
-    int calling = 1;
-
-    if (!rb_namespace_available())
-        return 0;
-
-    if (th->namespaces && RARRAY_LEN(th->namespaces) > 0) {
-        // temp code to detect the context is in require/load
-        // TODO: this doesn't work well in optional namespaces
-        // calling = 0;
-    }
-    while (calling) {
-        const rb_namespace_t *proc_ns = NULL;
-        VALUE bh;
-        if (VM_FRAME_NS_SWITCH_P(cfp)) {
-            bh = rb_vm_frame_block_handler(cfp);
-            if (bh && vm_block_handler_type(bh) == block_handler_type_proc) {
-                proc_ns = block_proc_namespace(VM_BH_TO_PROC(bh));
-                if (permit_calling_builtin || NAMESPACE_USER_P(proc_ns))
-                    return proc_ns;
-            }
-        }
-        cme = rb_vm_frame_method_entry(cfp);
-        if (cme && cme->def) {
-            ns = cme->def->ns;
-            if (ns) {
-                // this method is not a built-in class/module's method
-                // or a built-in primitive (Ruby) method
-                if (!namespace_ignore_builtin_primitive_methods_p(ns, cme->def)) {
-                    if (permit_calling_builtin || (proc_ns && NAMESPACE_USER_P(proc_ns)))
-                        return ns;
-                }
-            }
-            cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
-        }
-        else {
-            calling = 0;
-        }
-    }
-    // not in namespace-marked method calls
-    ns = th->ns;
-    if (ns) {
-        return ns;
-    }
-    if (!main_namespace) {
-        // Namespaces are not ready to be created
-        return root_namespace;
-    }
-    return main_namespace;
-}
-*/
-
 const rb_namespace_t *
 rb_current_namespace(void)
 {
@@ -204,27 +91,6 @@ rb_current_namespace(void)
 const rb_namespace_t *
 rb_loading_namespace(void)
 {
-    /*
-    VALUE namespace;
-    long len;
-    VALUE require_stack = GET_VM()->require_stack;
-
-    if (!rb_namespace_available())
-        return 0;
-
-    if (!require_stack) {
-        return current_namespace(false);
-    }
-    if ((len = RARRAY_LEN(require_stack)) == 0) {
-        return current_namespace(false);
-    }
-
-    if (!RB_TYPE_P(require_stack, T_ARRAY))
-        rb_bug("require_stack is not an array: %s", rb_type_str(BUILTIN_TYPE(require_stack)));
-
-    namespace = RARRAY_AREF(require_stack, len-1);
-    return rb_get_namespace_t(namespace);
-    */
     if (!main_namespace)
         return root_namespace;