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      1 // Copyright 2013 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 --allow-natives-syntax
     29 
     30 Debug = debug.Debug;
     31 
     32 function listener(event, exec_state, event_data, data) {
     33   if (event != Debug.DebugEvent.Break) return;
     34   try {
     35     assertEquals("foo", exec_state.frame(0).evaluate("bar").value());
     36   } catch (e) {
     37     exception = e;
     38   };
     39   listened++;
     40 };
     41 
     42 var exception = null;
     43 var listened = 0;
     44 
     45 var f = function() {
     46   var bar = "foo";
     47   var baz = bar;  // Break point should be here.
     48   return bar;
     49 }
     50 
     51 var g = function() {
     52   var bar = "foo";
     53   var baz = bar;  // Break point should be here.
     54   return bar;
     55 }
     56 
     57 f();
     58 f();
     59 g();
     60 g();
     61 
     62 // Mark with builtin.
     63 %OptimizeFunctionOnNextCall(f);
     64 if (%IsConcurrentRecompilationSupported()) {
     65   %OptimizeFunctionOnNextCall(g, "concurrent");
     66 }
     67 
     68 // Activate debugger.
     69 Debug.setListener(listener);
     70 
     71  // Set break point.
     72 Debug.setBreakPoint(f, 2, 0);
     73 Debug.setBreakPoint(g, 2, 0);
     74 
     75 // Trigger break point.
     76 f();
     77 g();
     78 
     79 // Assert that break point is set at expected location.
     80 assertTrue(Debug.showBreakPoints(f).indexOf("[B0]var baz = bar;") > 0);
     81 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]var baz = bar;") > 0);
     82 
     83 assertEquals(2, listened);
     84 assertNull(exception);
     85