harmony-scoping: Implement debugger support for script scope.

test/mjsunit/es6/generators-debug-scopes.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --expose-debug-as debug
 
 var Debug = debug.Debug;
 
 function RunTest(name, formals_and_body, args, handler, continuation) {
   var handler_called = false;
@@ skipping 79 matching lines @@
   // Send a scopes request and check the result.
   var json;
   var request_json = '{"seq":0,"type":"request","command":"scopes"}';
   var response_json = dcp.processDebugJSONRequest(request_json);
   var response = JSON.parse(response_json);
   assertEquals(scopes.length, response.body.scopes.length);
   for (var i = 0; i < scopes.length; i++) {
     assertEquals(i, response.body.scopes[i].index);
     assertEquals(scopes[i], response.body.scopes[i].type);
     if (scopes[i] == debug.ScopeType.Local ||
+        scopes[i] == debug.ScopeType.Script ||
         scopes[i] == debug.ScopeType.Closure) {
       assertTrue(response.body.scopes[i].object.ref < 0);
     } else {
       assertTrue(response.body.scopes[i].object.ref >= 0);
     }
     var found = false;
     for (var j = 0; j < response.refs.length && !found; j++) {
       found = response.refs[j].handle == response.body.scopes[i].object.ref;
     }
     assertTrue(found, "Scope object " + response.body.scopes[i].object.ref + " not found");
@@ skipping 42 matching lines @@
   // Send a scope request for information on a single scope and check the
   // result.
   var request_json = '{"seq":0,"type":"request","command":"scope","arguments":{"number":';
   request_json += scope.scopeIndex();
   request_json += '}}';
   var response_json = dcp.processDebugJSONRequest(request_json);
   var response = JSON.parse(response_json);
   assertEquals(scope.scopeType(), response.body.type);
   assertEquals(number, response.body.index);
   if (scope.scopeType() == debug.ScopeType.Local ||
+      scope.scopeType() == debug.ScopeType.Script ||
       scope.scopeType() == debug.ScopeType.Closure) {
     assertTrue(response.body.object.ref < 0);
   } else {
     assertTrue(response.body.object.ref >= 0);
   }
   var found = false;
   for (var i = 0; i < response.refs.length && !found; i++) {
     found = response.refs[i].handle == response.body.object.ref;
   }
   assertTrue(found, "Scope object " + response.body.object.ref + " not found");
 }
 
 
 // Simple empty local scope.
 RunTest("Local 1",
         ['debugger;'],
         [],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({}, 0, exec_state);
         });
 
 // Local scope with a parameter.
 RunTest("Local 2",
         ['a', 'debugger;'],
         [1],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({a:1}, 0, exec_state);
         });
 
 // Local scope with a parameter and a local variable.
 RunTest("Local 3",
         ['a', 'var x = 3; debugger;'],
         [1],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({a:1,x:3}, 0, exec_state);
         });
 
 // Local scope with parameters and local variables.
 RunTest("Local 4",
         ['a', 'b', 'var x = 3; var y = 4; debugger;'],
         [1, 2],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({a:1,b:2,x:3,y:4}, 0, exec_state);
         });
 
 // Empty local scope with use of eval.
 RunTest("Local 5",
         ['eval(""); debugger;'],
         [],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({}, 0, exec_state);
         });
 
 // Local introducing local variable using eval.
 RunTest("Local 6",
         ['eval("var i = 5"); debugger;'],
         [],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({i:5}, 0, exec_state);
         });
 
 // Local scope with parameters, local variables and local variable introduced
 // using eval.
 RunTest("Local 7",
         ['a', 'b',
          "var x = 3; var y = 4;\n"
          + "eval('var i = 5'); eval ('var j = 6');\n"
          + "debugger;"],
         [1, 2],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 0, exec_state);
         });
 
 // Nested empty with blocks.
 RunTest("With",
         ["with ({}) { with ({}) { debugger; } }"],
         [],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.With,
                            debug.ScopeType.With,
                            debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({}, 0, exec_state);
           CheckScopeContent({}, 1, exec_state);
         });
 
 // Simple closure formed by returning an inner function referering the outer
 // functions arguments.
 RunTest("Closure 1",
         ['a', 'return function() { debugger; return a; }'],
         [1],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Local,
                            debug.ScopeType.Closure,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({a:1}, 1, exec_state);
         },
        function (result) { result() });
 
 RunTest("The full monty",
         ['a', 'b',
          "var x = 3;\n" +
          "var y = 4;\n" +
          "eval('var i = 5');\n" +
@@ skipping 18 matching lines @@
          "}\n" +
          "return f(a, b);"],
         [1, 2],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.With,
                            debug.ScopeType.With,
                            debug.ScopeType.Local,
                            debug.ScopeType.With,
                            debug.ScopeType.Closure,
                            debug.ScopeType.Closure,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({b:16}, 0, exec_state);
           CheckScopeContent({a:15}, 1, exec_state);
           CheckScopeContent({x:14}, 2, exec_state);
           CheckScopeContent({j:13}, 3, exec_state);
           CheckScopeContent({a:1,b:2,x:9,y:10,i:11,j:12}, 4, exec_state);
           CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:function(){}}, 5, exec_state);
         },
         function (result) { result() });
 
 RunTest("Catch block 1",
         ["try { throw 'Exception'; } catch (e) { debugger; }"],
         [],
         function (exec_state) {
           CheckScopeChain([debug.ScopeType.Catch,
                            debug.ScopeType.Local,
+                           debug.ScopeType.Script,
                            debug.ScopeType.Global], exec_state);
           CheckScopeContent({e:'Exception'}, 0, exec_state);
         });