Evaluation of expression in context of library top-level

tools/ddbg.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Simple interactive debugger shell that connects to the Dart VM's debugger
 // connection port.
 
 import "dart:convert";
 import "dart:io";
 import "dart:async";
@@ skipping 21 matching lines @@
   bt  Show backtrace
   r   Resume execution
   s   Single step
   so  Step over
   si  Step into
   sbp [<file>] <line> Set breakpoint
   rbp <id> Remove breakpoint with given id
   po <id> Print object info for given id
   eval obj <id> <expr> Evaluate expr on object id
   eval cls <id> <expr> Evaluate expr on class id
+  eval lib <id> <expr> Evaluate expr in toplevel of library id
   pl <id> <idx> [<len>] Print list element/slice
   pc <id> Print class info for given id
   ll  List loaded libraries
   plib <id> Print library info for given library id
   slib <id> <true|false> Set library id debuggable
   pg <id> Print all global variables visible within given library id
   ls <lib_id> List loaded scripts in library
   gs <lib_id> <script_url> Get source text of script in library
   tok <lib_id> <script_url> Get line and token table of script in library
   epi <none|all|unhandled>  Set exception pause info
@@ skipping 79 matching lines @@
                 "params": { "isolateId" : isolate_id,
                             "libraryId": int.parse(args[1]) } };
     sendCmd(cmd).then((result) => handleGetScriptsResponse(result));
   } else if (command == "eval" && args.length > 3) {
     var expr = args.getRange(3, args.length).join(" ");
     var target = args[1];
     if (target == "obj") {
       target = "objectId";
     } else if (target == "cls") {
       target = "classId";
+    } else if (target == "lib") {
+      target = "libraryId";
     } else {
       huh();
       return;
     }
     var cmd = { "id": seqNum,
                 "command": "evaluateExpr",
                 "params": { "isolateId": isolate_id,
                             target: int.parse(args[2]),
                             "expression": expr } };
     sendCmd(cmd).then((result) => handleEvalResponse(result));
@@ skipping 481 matching lines @@
       process.stdin.close();
       process.exitCode.then((int exitCode) {
         print('${arguments.join(" ")} exited with $exitCode');
       });
       debuggerMain();
     });
   } else {
     debuggerMain();
   }
 }