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Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/debug-liveedit-patch-positions.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/debug-liveedit-patch-positions.js | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/debug-liveedit-patch-positions.js b/src/3rdparty/v8/test/mjsunit/debug-liveedit-patch-positions.js deleted file mode 100644 index b0d3c20..0000000 --- a/src/3rdparty/v8/test/mjsunit/debug-liveedit-patch-positions.js +++ /dev/null @@ -1,126 +0,0 @@ -// Copyright 2010 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 -// Get the Debug object exposed from the debug context global object. - -// Scenario: some function is being edited; the outer function has to have its -// positions patched. Accoring to a special markup of function text -// corresponding byte-code PCs should coincide before change and after it. - -Debug = debug.Debug - -eval( - "function F1() { return 5; }\n" + - "function ChooseAnimal(/*$*/ ) {\n" + - "/*$*/ var x = F1(/*$*/ );\n" + - "/*$*/ var res/*$*/ =/*$*/ (function() { return 'Cat'; } )();\n" + - "/*$*/ var y/*$*/ = F2(/*$*/ F1()/*$*/ , F1(/*$*/ )/*$*/ );\n" + - "/*$*/ if (/*$*/ x.toString(/*$*/ )) { /*$*/ y = 3;/*$*/ } else {/*$*/ y = 8;/*$*/ }\n" + - "/*$*/ var z = /*$*/ x * y;\n" + - "/*$*/ return/*$*/ res/*$*/ + z;/*$*/ }\n" + - "function F2(x, y) { return x + y; }" -); - -// Find all *$* markers in text of the function and read corresponding statement -// PCs. -function ReadMarkerPositions(func) { - var text = func.toString(); - var positions = new Array(); - var match; - var pattern = /\/\*\$\*\//g; - while ((match = pattern.exec(text)) != null) { - positions.push(match.index); - } - return positions; -} - -function ReadPCMap(func, positions) { - var res = new Array(); - for (var i = 0; i < positions.length; i++) { - var pc = Debug.LiveEdit.GetPcFromSourcePos(func, positions[i]); - - if (typeof pc === 'undefined') { - // Function was marked for recompilation and it's code was replaced with a - // stub. This can happen at any time especially if we are running with - // --stress-opt. There is no way to get PCs now. - return; - } - - res.push(pc); - } - - return res; -} - -function ApplyPatch(orig_animal, new_animal) { - var res = ChooseAnimal(); - assertEquals(orig_animal + "15", res); - - var script = Debug.findScript(ChooseAnimal); - - var orig_string = "'" + orig_animal + "'"; - var patch_string = "'" + new_animal + "'"; - var patch_pos = script.source.indexOf(orig_string); - - var change_log = new Array(); - - Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, - patch_pos, - orig_string.length, - patch_string, - change_log); - - print("Change log: " + JSON.stringify(change_log) + "\n"); - - var markerPositions = ReadMarkerPositions(ChooseAnimal); - var pcArray = ReadPCMap(ChooseAnimal, markerPositions); - - var res = ChooseAnimal(); - assertEquals(new_animal + "15", res); - - return pcArray; -} - -var pcArray1 = ApplyPatch('Cat', 'Dog'); - -// When we patched function for the first time it was deoptimized. -// Check that after the second patch maping between sources position and -// pcs will not change. - -var pcArray2 = ApplyPatch('Dog', 'Capybara'); - -print(pcArray1); -print(pcArray2); - -// Function can be marked for recompilation at any point (especially if we are -// running with --stress-opt). When we mark function for recompilation we -// replace it's code with stub. So there is no reliable way to get PCs for -// function. -if (pcArray1 && pcArray2) { - assertArrayEquals(pcArray1, pcArray2); -} |