+++ /dev/null
-// Copyright 2013 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.
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string>
-#include <vector>
-#include "src/v8.h"
-
-#include "include/libplatform/libplatform.h"
-#include "src/api.h"
-#include "src/base/platform/platform.h"
-#include "src/messages.h"
-#include "src/runtime/runtime.h"
-#include "src/scanner-character-streams.h"
-#include "src/scopeinfo.h"
-#include "tools/shell-utils.h"
-#include "src/string-stream.h"
-#include "src/scanner.h"
-
-
-using namespace v8::internal;
-
-
-class BaselineScanner {
- public:
- BaselineScanner(const char* fname,
- Isolate* isolate,
- Encoding encoding,
- v8::base::ElapsedTimer* timer,
- int repeat)
- : stream_(NULL) {
- int length = 0;
- source_ = ReadFileAndRepeat(fname, &length, repeat);
- unicode_cache_ = new UnicodeCache();
- scanner_ = new Scanner(unicode_cache_);
- switch (encoding) {
- case UTF8:
- stream_ = new Utf8ToUtf16CharacterStream(source_, length);
- break;
- case UTF16: {
- Handle<String> result = isolate->factory()->NewStringFromTwoByte(
- Vector<const uint16_t>(
- reinterpret_cast<const uint16_t*>(source_),
- length / 2)).ToHandleChecked();
- stream_ =
- new GenericStringUtf16CharacterStream(result, 0, result->length());
- break;
- }
- case LATIN1: {
- Handle<String> result = isolate->factory()->NewStringFromOneByte(
- Vector<const uint8_t>(source_, length)).ToHandleChecked();
- stream_ =
- new GenericStringUtf16CharacterStream(result, 0, result->length());
- break;
- }
- }
- timer->Start();
- scanner_->Initialize(stream_);
- }
-
- ~BaselineScanner() {
- delete scanner_;
- delete stream_;
- delete unicode_cache_;
- delete[] source_;
- }
-
- Token::Value Next(int* beg_pos, int* end_pos) {
- Token::Value res = scanner_->Next();
- *beg_pos = scanner_->location().beg_pos;
- *end_pos = scanner_->location().end_pos;
- return res;
- }
-
- private:
- UnicodeCache* unicode_cache_;
- Scanner* scanner_;
- const byte* source_;
- BufferedUtf16CharacterStream* stream_;
-};
-
-
-struct TokenWithLocation {
- Token::Value value;
- size_t beg;
- size_t end;
- TokenWithLocation() : value(Token::ILLEGAL), beg(0), end(0) { }
- TokenWithLocation(Token::Value value, size_t beg, size_t end) :
- value(value), beg(beg), end(end) { }
- bool operator==(const TokenWithLocation& other) {
- return value == other.value && beg == other.beg && end == other.end;
- }
- bool operator!=(const TokenWithLocation& other) {
- return !(*this == other);
- }
- void Print(const char* prefix) const {
- printf("%s %11s at (%d, %d)\n",
- prefix, Token::Name(value),
- static_cast<int>(beg), static_cast<int>(end));
- }
-};
-
-
-v8::base::TimeDelta RunBaselineScanner(const char* fname, Isolate* isolate,
- Encoding encoding, bool dump_tokens,
- std::vector<TokenWithLocation>* tokens,
- int repeat) {
- v8::base::ElapsedTimer timer;
- BaselineScanner scanner(fname, isolate, encoding, &timer, repeat);
- Token::Value token;
- int beg, end;
- do {
- token = scanner.Next(&beg, &end);
- if (dump_tokens) {
- tokens->push_back(TokenWithLocation(token, beg, end));
- }
- } while (token != Token::EOS);
- return timer.Elapsed();
-}
-
-
-void PrintTokens(const char* name,
- const std::vector<TokenWithLocation>& tokens) {
- printf("No of tokens: %d\n",
- static_cast<int>(tokens.size()));
- printf("%s:\n", name);
- for (size_t i = 0; i < tokens.size(); ++i) {
- tokens[i].Print("=>");
- }
-}
-
-
-v8::base::TimeDelta ProcessFile(
- const char* fname,
- Encoding encoding,
- Isolate* isolate,
- bool print_tokens,
- int repeat) {
- if (print_tokens) {
- printf("Processing file %s\n", fname);
- }
- HandleScope handle_scope(isolate);
- std::vector<TokenWithLocation> baseline_tokens;
- v8::base::TimeDelta baseline_time;
- baseline_time = RunBaselineScanner(
- fname, isolate, encoding, print_tokens,
- &baseline_tokens, repeat);
- if (print_tokens) {
- PrintTokens("Baseline", baseline_tokens);
- }
- return baseline_time;
-}
-
-
-int main(int argc, char* argv[]) {
- v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
- v8::V8::InitializeICU();
- v8::Platform* platform = v8::platform::CreateDefaultPlatform();
- v8::V8::InitializePlatform(platform);
- v8::V8::Initialize();
- Encoding encoding = LATIN1;
- bool print_tokens = false;
- std::vector<std::string> fnames;
- std::string benchmark;
- int repeat = 1;
- for (int i = 0; i < argc; ++i) {
- if (strcmp(argv[i], "--latin1") == 0) {
- encoding = LATIN1;
- } else if (strcmp(argv[i], "--utf8") == 0) {
- encoding = UTF8;
- } else if (strcmp(argv[i], "--utf16") == 0) {
- encoding = UTF16;
- } else if (strcmp(argv[i], "--print-tokens") == 0) {
- print_tokens = true;
- } else if (strncmp(argv[i], "--benchmark=", 12) == 0) {
- benchmark = std::string(argv[i]).substr(12);
- } else if (strncmp(argv[i], "--repeat=", 9) == 0) {
- std::string repeat_str = std::string(argv[i]).substr(9);
- repeat = atoi(repeat_str.c_str());
- } else if (i > 0 && argv[i][0] != '-') {
- fnames.push_back(std::string(argv[i]));
- }
- }
- v8::Isolate* isolate = v8::Isolate::New();
- {
- v8::Isolate::Scope isolate_scope(isolate);
- v8::HandleScope handle_scope(isolate);
- v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
- v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global);
- DCHECK(!context.IsEmpty());
- {
- v8::Context::Scope scope(context);
- double baseline_total = 0;
- for (size_t i = 0; i < fnames.size(); i++) {
- v8::base::TimeDelta time;
- time = ProcessFile(fnames[i].c_str(), encoding,
- reinterpret_cast<Isolate*>(isolate), print_tokens,
- repeat);
- baseline_total += time.InMillisecondsF();
- }
- if (benchmark.empty()) benchmark = "Baseline";
- printf("%s(RunTime): %.f ms\n", benchmark.c_str(), baseline_total);
- }
- }
- v8::V8::Dispose();
- v8::V8::ShutdownPlatform();
- delete platform;
- return 0;
-}
projects / platform / upstream / v8.git / commitdiff