Remove support for logging into a memory buffer.

test/mjsunit/log-utils.js

+// Copyright 2011 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.
+
+function SimpleLogReader() {
+  // LOG_FILE_NAME must be provided by test runner.
+  assertEquals("string", typeof LOG_FILE_NAME);
+  var log = read(LOG_FILE_NAME);
+  assertTrue(!!log);
+  this.log_lines = log.split("\n");
+  this.pos = 0;
+}
+
+SimpleLogReader.prototype.skipUntil = function(s_or_re, avoid) {
+  var encountered_avoid = false;
+  var checker = s_or_re.constructor === String ?
+    function (src) { return src.indexOf(s_or_re) !== 1; } :
+    function (src) { return s_or_re.test(src); };
+  while (this.pos < this.log_lines.length &&
+         !checker(this.log_lines[this.pos]) &&
+         !(encountered_avoid =
+           (this.log_lines[this.pos].indexOf(avoid) === 0))) {
+    ++this.pos;
+  }
+  assertTrue(this.pos < this.log_lines.length, s_or_re);
+  assertFalse(encountered_avoid, s_or_re);
+};
+
+SimpleLogReader.prototype.nextLine = function() {
+  return this.log_lines[this.pos++];
+};