[debugger] Removed unused GetStepInPositions method

test/mjsunit/debug-stepin-positions.js

-// Copyright 2008 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 --nocrankshaft
-// Get the Debug object exposed from the debug context global object.
-Debug = debug.Debug
-
-function DebuggerStatement() {
-  debugger;  /*pause*/
-}
-
-function TestCase(fun, frame_number, line_number) {
-  var exception = false;
-  var codeSnippet = undefined;
-  var resultPositions = undefined;
-  var step = 0;
-
-  function listener(event, exec_state, event_data, data) {
-    try {
-      if (event == Debug.DebugEvent.Break ||
-          event == Debug.DebugEvent.Exception) {
-        if (step++ > 0) return;
-        assertHasLineMark(/pause/, exec_state.frame(0));
-        assertHasLineMark(/positions/, exec_state.frame(frame_number));
-        var frame = exec_state.frame(frame_number);
-        codeSnippet = frame.sourceLineText();
-        resultPositions = frame.stepInPositions();
-      }
-    } catch (e) {
-      exception = e
-    }
-
-    function assertHasLineMark(mark, frame) {
-        var line = frame.sourceLineText();
-        if (!mark.exec(frame.sourceLineText())) {
-            throw new Error("Line " + line + " should contain mark " + mark);
-        }
-    }
-  }
-
-  Debug.setListener(listener);
-
-  var breakpointId;
-  if (line_number) breakpointId = Debug.setBreakPoint(fun, line_number);
-
-  fun();
-
-  if (line_number) Debug.clearBreakPoint(breakpointId);
-
-  Debug.setListener(null);
-
-  assertTrue(!exception, exception);
-
-  var expectedPositions = {};
-  var markPattern = new RegExp("/\\*#\\*/", "g");
-
-  var matchResult;
-  while ( (matchResult = markPattern.exec(codeSnippet)) ) {
-    expectedPositions[matchResult.index] = true;
-  }
-
-  print(codeSnippet);
-
-  var decoratedResult = codeSnippet;
-
-  function replaceStringRange(s, pos, substitute) {
-   return s.substring(0, pos) + substitute +
-       s.substring(pos + substitute.length);
-  }
-
-  var markLength = 5;
-  var unexpectedPositionFound = false;
-
-  for (var i = 0; i < resultPositions.length; i++) {
-    var col = resultPositions[i].position.column - markLength;
-    if (expectedPositions[col]) {
-      delete expectedPositions[col];
-      decoratedResult = replaceStringRange(decoratedResult, col, "*YES*");
-    } else {
-      decoratedResult = replaceStringRange(decoratedResult, col, "!BAD!");
-      unexpectedPositionFound = true;
-    }
-  }
-
-  print(decoratedResult);
-
-  for (var n in expectedPositions) {
-    assertTrue(false, "Some positions are not reported: " + decoratedResult);
-    break;
-  }
-  assertFalse(unexpectedPositionFound, "Found unexpected position: " +
-      decoratedResult);
-}
-
-function TestCaseWithDebugger(fun) {
-  TestCase(fun, 1);
-}
-
-function TestCaseWithBreakpoint(fun, line_number, frame_number) {
-  TestCase(fun, frame_number, line_number);
-}
-
-function TestCaseWithException(fun, frame_number) {
-  Debug.setBreakOnException();
-  TestCase(fun, frame_number);
-  Debug.clearBreakOnException();
-}
-
-
-// Test cases.
-
-// Step in position, when the function call that we are standing at is already
-// being executed.
-var fun = function() {
-  function g(p) {
-    throw String(p); /*pause*/
-  }
-  try {
-    var res = [ g(1), /*#*/g(2) ]; /*positions*/
-  } catch (e) {
-  }
-};
-TestCaseWithBreakpoint(fun, 2, 1);
-TestCaseWithException(fun, 1);
-
-
-// Step in position, when the function call that we are standing at is raising
-// an exception.
-var fun = function() {
-  var o = {
-    g: function(p) {
-      throw p;
-    }
-  };
-  try {
-    var res = [ /*#*/f(1), /*#*/g(2) ]; /*pause, positions*/
-  } catch (e) {
-  }
-};
-TestCaseWithException(fun, 0);
-
-
-// Step-in position, when already paused almost on the first call site.
-var fun = function() {
-  function g(p) {
-    throw p;
-  }
-  try {
-    var res = [ /*#*/g(Math.rand), /*#*/g(2) ]; /*pause, positions*/
-  } catch (e) {
-  }
-};
-TestCaseWithBreakpoint(fun, 5, 0);
-
-// Step-in position, when already paused on the first call site.
-var fun = function() {
-  function g() {
-    throw "Debug";
-  }
-  try {
-    var res = [ /*#*/g(), /*#*/g() ]; /*pause, positions*/
-  } catch (e) {
-  }
-};
-TestCaseWithBreakpoint(fun, 5, 0);
-
-
-// Method calls.
-var fun = function() {
-  var data = {
-    a: function() {}
-  };
-  var res = [ DebuggerStatement(), data./*#*/a(), data[/*#*/String("a")]/*#*/(), data["a"]/*#*/(), data.a, data["a"] ]; /*positions*/
-};
-TestCaseWithDebugger(fun);
-
-// Function call on a value.
-var fun = function() {
-  function g(p) {
-      return g;
-  }
-  var res = [ DebuggerStatement(), /*#*/g(2), /*#*/g(2)/*#*/(3), /*#*/g(0)/*#*/(0)/*#*/(g) ]; /*positions*/
-};
-TestCaseWithDebugger(fun);
-
-// Local function call, closure function call,
-// local function construction call.
-var fun = (function(p) {
-  return function() {
-    function f(a, b) {
-    }
-    var res = /*#*/f(DebuggerStatement(), /*#*/p(/*#*/new f())); /*positions*/
-  };
-})(Object);
-TestCaseWithDebugger(fun);
-
-// Global function, global object construction, calls before pause point.
-var fun = (function(p) {
-  return function() {
-    var res = [ Math.abs(new Object()), DebuggerStatement(), Math./*#*/abs(4), /*#*/new Object()./*#*/toString() ]; /*positions*/
-  };
-})(Object);
-TestCaseWithDebugger(fun);