From f661d3404952d33d4cb683899ebd05d4b580b2bc Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Thu, 14 May 2020 00:13:26 +0100
Subject: Implement Explicit context creation #639

---
 src/check_expr.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/check_expr.cpp')

diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index d55692a41..159ae5e3a 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -7724,6 +7724,15 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
 				return kind;
 			}
 
+			if (unparen_expr(c->assignment_lhs_hint) == node) {
+				c->scope->flags |= ScopeFlag_ContextDefined;
+			}
+
+			if ((c->scope->flags & ScopeFlag_ContextDefined) == 0) {
+				error(node, "'context' has not been defined within this scope");
+				// Continue with value
+			}
+
 			init_core_context(c->checker);
 			o->mode = Addressing_Context;
 			o->type = t_context;
-- 
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