Bodged in support for region pragmas

Have them as basic directives

They're similar to the assert and panic macros but are hardcoded to true

#region    (<string literal>)
#endregion (<string literal>)

src/check_builtin.cpp

@@ -1670,7 +1670,21 @@ gb_internal bool check_builtin_procedure_directive(CheckerContext *c, Operand *o
 				operand->value = found->Constant.value;
 			}
 		}
-	} else {
+	}
+
+	// Bodging in #region & #endregion support
+	else if (name == "region") {
+		operand->type = t_untyped_bool;
+		operand->mode = Addressing_Constant;
+		operand->value = exact_value_bool(true);
+	}
+	else if (name == "endregion") {
+		operand->type = t_untyped_bool;
+		operand->mode = Addressing_Constant;
+		operand->value = exact_value_bool(true);
+	}
+
+	else {
 		error(call, "Unknown directive call: #%.*s", LIT(name));
 	}
 	return true;

src/check_expr.cpp

@@ -7372,6 +7372,8 @@ gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *c
 		    name == "location" || 
 		    name == "assert" || 
 		    name == "panic" || 
+			name == "region" ||
+			name == "endregion" ||
 		    name == "defined" || 
 		    name == "config" || 
 		    name == "load" ||

src/parser.cpp

@@ -5147,7 +5147,7 @@ gb_internal Ast *parse_stmt(AstFile *f) {
 				break;
 			}
 			return s;
-		} else if (tag == "assert" || tag == "panic") {
+		} else if (tag == "assert" || tag == "panic" || tag == "region" || tag == "endregion") {
 			Ast *t = ast_basic_directive(f, hash_token, name);
 			Ast *stmt = ast_expr_stmt(f, parse_call_expr(f, t));
 			expect_semicolon(f);