Remove support for legacy const, part 1

test/mjsunit/debug-evaluate-const.js

-// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --expose-debug-as debug --debug-eval-readonly-locals --legacy-const
-
-Debug = debug.Debug
-
-listenerComplete = false;
-exception = false;
-
-// var0:   init after break point, changed by debug eval.
-// const0: init before break point, changed by debug eval.
-// const1: init after break point, materialized but untouched by debug eval.
-// const2: init after break point, materialized and changed by debug eval.
-// const3: context allocated const, init before break point, changed by eval.
-function f() {
-  var var1 = 21;
-  const const3 = 3;
-
-  function g() {
-    const const0 = 0;
-    assertEquals(undefined, const1);
-    assertEquals(undefined, const2);
-    assertEquals(3, const3);
-    assertEquals(21, var1);
-
-    debugger;  // Break point.
-
-    assertEquals(undefined, var0);
-    assertEquals(0, const0);
-    assertEquals(undefined, const1);
-    assertEquals(undefined, const2);
-    var var0 = 20;
-    const const1 = 1;
-    const const2 = 2;
-    assertEquals(20, var0);
-    assertEquals(1, const1);
-    assertEquals(2, const2);
-  }
-
-  g();
-
-  assertEquals(21, var1);
-  assertEquals(3, const3);
-}
-
-
-function listener(event, exec_state, event_data, data) {
-  if (event != Debug.DebugEvent.Break) return;
-  try {
-    var frame = exec_state.frame(0);
-    var evaluate = function(something) {
-      return frame.evaluate(something).value()
-    }
-
-    var count = frame.localCount();
-    assertEquals(4, count);
-    var expectation = { "const0" : 0,
-                        "const1" : undefined,
-                        "const2" : undefined,
-                        "const3" : 3,
-                        "var0"   : undefined,
-                        "var1"   : 21 };
-    for (var i = 0; i < frame.localCount(); ++i) {
-      var name = frame.localName(i);
-      var value = frame.localValue(i).value();
-      assertEquals(expectation[name], value);
-    }
-
-    evaluate('const0 = 10');
-    evaluate('const2 = 12');
-    evaluate('const3 = 13');
-    evaluate('var0 = 30');
-    evaluate('var1 = 31');
-
-    // Indicate that all was processed.
-    listenerComplete = true;
-  } catch (e) {
-    exception = e;
-    print("Caught something. " + e + " " + e.stack);
-  };
-};
-
-// Run and compile before debugger is active.
-try { f(); } catch (e) { }
-
-Debug.setListener(listener);
-
-f();
-
-Debug.setListener(null);
-
-assertFalse(exception, "exception in listener")
-assertTrue(listenerComplete);