From ce4b7b8b7d54e889413cf2d43d85f2e4f4a0b007 Mon Sep 17 00:00:00 2001
From: Ginger Bill <bill@gingerbill.org>
Date: Mon, 10 Jul 2017 20:39:42 +0100
Subject: Nested record declarations

---
 src/check_stmt.cpp | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

(limited to 'src/check_stmt.cpp')

diff --git a/src/check_stmt.cpp b/src/check_stmt.cpp
index fe70fd672..c7aa5424f 100644
--- a/src/check_stmt.cpp
+++ b/src/check_stmt.cpp
@@ -473,7 +473,39 @@ bool check_using_stmt_entity(Checker *c, AstNodeUsingStmt *us, AstNode *expr, bo
 	switch (e->kind) {
 	case Entity_TypeName: {
 		Type *t = base_type(e->type);
-		if (is_type_union(t)) {
+		if (t->kind == Type_Record) {
+			Scope *s = t->Record.scope;
+			if (s != nullptr) {
+				for_array(i, s->elements.entries) {
+					Entity *f = s->elements.entries[i].value;
+					if (f->kind != Entity_Variable) {
+						Entity *found = scope_insert_entity(c->context.scope, f);
+						if (found != nullptr) {
+							gbString expr_str = expr_to_string(expr);
+							error(us->token, "Namespace collision while `using` `%s` of: %.*s", expr_str, LIT(found->token.string));
+							gb_string_free(expr_str);
+							return false;
+						}
+						f->using_parent = e;
+					}
+				}
+			} else if (is_type_enum(t)) {
+				for (isize i = 0; i < t->Record.field_count; i++) {
+					Entity *f = t->Record.fields[i];
+					Entity *found = scope_insert_entity(c->context.scope, f);
+					if (found != nullptr) {
+						gbString expr_str = expr_to_string(expr);
+						error(us->token, "Namespace collision while `using` `%s` of: %.*s", expr_str, LIT(found->token.string));
+						gb_string_free(expr_str);
+						return false;
+					}
+					f->using_parent = e;
+				}
+			}
+		} else {
+			error(us->token, "`using` can be only applied to record type entities");
+		}
+		/* if (is_type_union(t)) {
 			TokenPos pos = ast_node_token(expr).pos;
 			for (isize i = 1; i < t->Record.variant_count; i++) {
 				Entity *f = t->Record.variants[i];
@@ -502,7 +534,7 @@ bool check_using_stmt_entity(Checker *c, AstNodeUsingStmt *us, AstNode *expr, bo
 
 		} else {
 			error(us->token, "`using` can be only applied to `union` or `enum` type entities");
-		}
+		} */
 	} break;
 
 	case Entity_ImportName: {
-- 
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