[tools] Remove map-processor

- The command line tool never fully worked
- All the main features of the map-processor are now available in
  the system-analyzer

Bug: v8:10644
Change-Id: Ic55b1d6de561079b079045097856a3b4e5f4bb95
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2497178Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70764}

tools/index.html

@@ -63,6 +63,10 @@ dd, dt {
       <h1>Welcome to the V8 Tools Landing Page</h1>
       <p>Search through this page to find about the V8 tools to debug, trace and analyze the log files.</p>
         <dl class="grid-container">
+          <div class="card">
+            <dt><a href="./system-analyzer/index.html">System Analyzer</a></dt>
+            <dd>A unified web interface to trace, debug and analyse patterns of how Maps/ICs are created in the real world applications.</dd>
+          </div>
           <div class="card">
             <dt><a href="./callstats.html">Callstats</a></dt>
             <dd>Visualize and compare runtime call stats.</dd>
@@ -75,10 +79,6 @@ dd, dt {
             <dt><a href="./ic-explorer.html">IC Explorer</a></dt>
             <dd>Analyse inline caches.</dd>
           </div>
-          <div class="card">
-            <dt><a href="./map-processor.html">Map Processor</a></dt>
-            <dd>Analyse Maps and their transition trees.</dd>
-          </div>
           <div class="card">
             <dt><a href="./parse-processor.html">Parse Processor</a></dt>
             <dd>Analyse parse, compile and first-execution.</dd>
@@ -87,10 +87,6 @@ dd, dt {
             <dt><a href="./profview/index.html">Profview</a></dt>
             <dd>Fancy sampling profile viewer.</dd>
           </div>
-          <div class="card">
-            <dt><a href="./system-analyzer/index.html">System Analyzer</a></dt>
-            <dd>A unified web interface to trace, debug and analyse patterns of how Maps/ICs are created in the real world applications.</dd>
-          </div>
           <div class="card">
             <dt><a href="./tick-processor.html">Tick Processor</a></dt>
             <dd>Simple sampling profile viewer.</dd>

tools/map-processor

-#!/bin/sh
-
-# find the name of the log file to process, it must not start with a dash.
-log_file="v8.log"
-for arg in "$@"
-do
-  if ! expr "X${arg}" : "^X-" > /dev/null; then
-    log_file=${arg}
-  fi
-done
-
-tools_path=`cd $(dirname "$0");pwd`
-if [ ! "$D8_PATH" ]; then
-  d8_public=`which d8`
-  if [ -x "$d8_public" ]; then D8_PATH=$(dirname "$d8_public"); fi
-fi
-[ -n "$D8_PATH" ] || D8_PATH=$tools_path/..
-d8_exec=$D8_PATH/d8
-
-if [ ! -x "$d8_exec" ]; then
-  D8_PATH=`pwd`/out/native
-  d8_exec=$D8_PATH/d8
-fi
-
-if [ ! -x "$d8_exec" ]; then
-  d8_exec=`grep -m 1 -o '".*/d8"' $log_file | sed 's/"//g'`
-fi
-
-if [ ! -x "$d8_exec" ]; then
-  echo "d8 shell not found in $D8_PATH"
-  echo "Please provide path to d8 as env var in D8_PATH"
-  exit 1
-fi
-
-# nm spits out 'no symbols found' messages to stderr.
-cat $log_file | $d8_exec \
-  --module $tools_path/map-processor-driver.mjs -- $@ 2>/dev/null

tools/map-processor-driver.mjs

-// Copyright 2017 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import { WebInspector } from "./sourcemap.mjs";
-import {
-    MapProcessor, ArgumentsProcessor, readFile
-  } from "./map-processor.mjs";
-
-function processArguments(args) {
-  var processor = new ArgumentsProcessor(args);
-  if (processor.parse()) {
-    return processor.result();
-  } else {
-    processor.printUsageAndExit();
-  }
-}
-
-function initSourceMapSupport() {
-  // Pull dev tools source maps into our name space.
-  SourceMap = WebInspector.SourceMap;
-
-  // Overwrite the load function to load scripts synchronously.
-  SourceMap.load = function(sourceMapURL) {
-    var content = readFile(sourceMapURL);
-    var sourceMapObject = (JSON.parse(content));
-    return new SourceMap(sourceMapURL, sourceMapObject);
-  };
-}
-
-var params = processArguments(arguments);
-var sourceMap = null;
-if (params.sourceMap) {
-  initSourceMapSupport();
-  sourceMap = SourceMap.load(params.sourceMap);
-}
-var mapProcessor = new MapProcessor();
-mapProcessor.processLogFile(params.logFileName);