add finally to main try..catch

jcubic · May 23, 2024 · d24e59a · d24e59a
1 parent d734c47
commit d24e59a
Showing 1 changed file with 9 additions and 7 deletions.
diff --git a/src/grammar.peg b/src/grammar.peg
@@ -235,20 +235,20 @@
         variable = make_identifier(variable);
         return is_exit(variable, throw_expression(variable));
     }
-    function main_try_catch(body) {
+    function main_try_catch(body, finalize) {
         var err_var = make_identifier("e");
         return try_catch_simple(body, 'e', [
             is_not_exit(err_var,
                 expression_statement(gaiman_call('error', err_var))
             )
-        ]);
+        ], finalize);
     }
     function try_catch(body, error_var, catch_clause) {
         return try_catch_simple(body, error_var, [
             throw_if_error(error_var)
         ].concat(catch_clause));
     }
-    function try_catch_simple(body, error_var, catch_clause) {
+    function try_catch_simple(body, error_var, catch_clause, finalize) {
         return {
             "type": "TryStatement",
             "block": make_block(body),
@@ -259,7 +259,8 @@
                     "name": error_var
                 },
                 "body": make_block(catch_clause)
-            }
+            },
+            "finalizer": finalize && make_block(finalize)
         };
     }
     function jump(name) {
@@ -313,7 +314,7 @@
     var extra_single = ["sleep*", "get*"];
     var blacklist_properties = ["constructor", "__proto__", "prototype"];
     var variable_prefix = '$_';
-    var stop_exception = make_identifier('Gaiman_Exit');
+    var stop_exception = make_identifier('Exit');
 }}
 
 {
@@ -402,8 +403,9 @@ Start = statements:statements {
         "type": "Program",
         "body": [
             main([
-                main_try_catch(statements),
-                expression_statement(gaiman_call('exit'))
+                main_try_catch(statements, [
+                    expression_statement(gaiman_call('exit'))
+                ])
             ])
         ]
     };