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Edit File: debug-sourceslice.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 // Source lines for test. var lines = [ 'function a() { b(); };\n', 'function b() {\n', ' c(true);\n', '};\n', ' function c(x) {\n', ' if (x) {\n', ' return 1;\n', ' } else {\n', ' return 1;\n', ' }\n', ' };\n' ]; // Build source by putting all lines together var source = ''; for (var i = 0; i < lines.length; i++) { source += lines[i]; } eval(source); // Flags: --expose-debug-as debug // Get the Debug object exposed from the debug context global object. Debug = debug.Debug // Get the script object from one of the functions in the source. var script = Debug.findScript(a); // Make sure that the source is as expected. assertEquals(source, script.source); assertEquals(source, script.sourceSlice().sourceText()); // Try all possible line interval slices. for (var slice_size = 0; slice_size < lines.length; slice_size++) { for (var n = 0; n < lines.length - slice_size; n++) { var slice = script.sourceSlice(n, n + slice_size); assertEquals(n, slice.from_line); assertEquals(n + slice_size, slice.to_line); var text = slice.sourceText(); var expected = ''; for (var i = 0; i < slice_size; i++) { expected += lines[n + i]; } assertEquals(expected, text); } }