Revert of [inspector] Initial import of v8_inspector.

src/inspector/V8Regex.cpp

Index: src/inspector/V8Regex.cpp
diff --git a/src/inspector/V8Regex.cpp b/src/inspector/V8Regex.cpp
deleted file mode 100644
index 73b37283d1dc3553890ca24ccc3f0eee5545f18e..0000000000000000000000000000000000000000
--- a/src/inspector/V8Regex.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2016 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.
-
-#include "src/inspector/V8Regex.h"
-
-#include "src/inspector/StringUtil.h"
-#include "src/inspector/V8Compat.h"
-#include "src/inspector/V8InspectorImpl.h"
-#include "src/inspector/public/V8InspectorClient.h"
-
-#include <limits.h>
-
-namespace v8_inspector {
-
-V8Regex::V8Regex(V8InspectorImpl* inspector, const String16& pattern, bool caseSensitive, bool multiline)
-    : m_inspector(inspector)
-{
-    v8::Isolate* isolate = m_inspector->isolate();
-    v8::HandleScope handleScope(isolate);
-    v8::Local<v8::Context> context = m_inspector->regexContext();
-    v8::Context::Scope contextScope(context);
-    v8::TryCatch tryCatch(isolate);
-
-    unsigned flags = v8::RegExp::kNone;
-    if (!caseSensitive)
-        flags |= v8::RegExp::kIgnoreCase;
-    if (multiline)
-        flags |= v8::RegExp::kMultiline;
-
-    v8::Local<v8::RegExp> regex;
-    if (v8::RegExp::New(context, toV8String(isolate, pattern), static_cast<v8::RegExp::Flags>(flags)).ToLocal(&regex))
-        m_regex.Reset(isolate, regex);
-    else if (tryCatch.HasCaught())
-        m_errorMessage = toProtocolString(tryCatch.Message()->Get());
-    else
-        m_errorMessage = "Internal error";
-}
-
-int V8Regex::match(const String16& string, int startFrom, int* matchLength) const
-{
-    if (matchLength)
-        *matchLength = 0;
-
-    if (m_regex.IsEmpty() || string.isEmpty())
-        return -1;
-
-    // v8 strings are limited to int.
-    if (string.length() > INT_MAX)
-        return -1;
-
-    v8::Isolate* isolate = m_inspector->isolate();
-    v8::HandleScope handleScope(isolate);
-    v8::Local<v8::Context> context = m_inspector->regexContext();
-    v8::MicrotasksScope microtasks(isolate, v8::MicrotasksScope::kDoNotRunMicrotasks);
-    v8::TryCatch tryCatch(isolate);
-
-    v8::Local<v8::RegExp> regex = m_regex.Get(isolate);
-    v8::Local<v8::Value> exec;
-    if (!regex->Get(context, toV8StringInternalized(isolate, "exec")).ToLocal(&exec))
-        return -1;
-    v8::Local<v8::Value> argv[] = { toV8String(isolate, string.substring(startFrom)) };
-    v8::Local<v8::Value> returnValue;
-    if (!exec.As<v8::Function>()->Call(context, regex, V8_INSPECTOR_ARRAY_LENGTH(argv), argv).ToLocal(&returnValue))
-        return -1;
-
-    // RegExp#exec returns null if there's no match, otherwise it returns an
-    // Array of strings with the first being the whole match string and others
-    // being subgroups. The Array also has some random properties tacked on like
-    // "index" which is the offset of the match.
-    //
-    // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/RegExp/exec
-
-    DCHECK(!returnValue.IsEmpty());
-    if (!returnValue->IsArray())
-        return -1;
-
-    v8::Local<v8::Array> result = returnValue.As<v8::Array>();
-    v8::Local<v8::Value> matchOffset;
-    if (!result->Get(context, toV8StringInternalized(isolate, "index")).ToLocal(&matchOffset))
-        return -1;
-    if (matchLength) {
-        v8::Local<v8::Value> match;
-        if (!result->Get(context, 0).ToLocal(&match))
-            return -1;
-        *matchLength = match.As<v8::String>()->Length();
-    }
-
-    return matchOffset.As<v8::Int32>()->Value() + startFrom;
-}
-
-} // namespace v8_inspector