Home | History | Annotate | Download | only in harmony
      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Flags: --expose-debug-as debug --harmony-scoping
     29 
     30 // Test debug evaluation for functions without local context, but with
     31 // nested catch contexts.
     32 
     33 // TODO(ES6): properly activate extended mode
     34 "use strict";
     35 
     36 var x;
     37 var result;
     38 
     39 function f() {
     40   {                   // Line 1.
     41     let i = 1;        // Line 2.
     42     try {             // Line 3.
     43       throw 'stuff';  // Line 4.
     44     } catch (e) {     // Line 5.
     45       x = 2;          // Line 6.
     46     }
     47   }
     48 };
     49 
     50 // Get the Debug object exposed from the debug context global object.
     51 var Debug = debug.Debug
     52 // Set breakpoint on line 6.
     53 var bp = Debug.setBreakPoint(f, 6);
     54 
     55 function listener(event, exec_state, event_data, data) {
     56   if (event == Debug.DebugEvent.Break) {
     57     result = exec_state.frame().evaluate("i").value();
     58   }
     59 };
     60 
     61 // Add the debug event listener.
     62 Debug.setListener(listener);
     63 result = -1;
     64 f();
     65 assertEquals(1, result);
     66 
     67 // Clear breakpoint.
     68 Debug.clearBreakPoint(bp);
     69 // Get rid of the debug event listener.
     70 Debug.setListener(null);
     71