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Issue 7211013: Combined identical classes V8JavaScriptScanner and StandAloneJavaScriptScanner. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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258 NULL 258 NULL
259 }; 259 };
260 260
261 uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit(); 261 uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit();
262 for (int i = 0; programs[i]; i++) { 262 for (int i = 0; programs[i]; i++) {
263 const char* program = programs[i]; 263 const char* program = programs[i];
264 i::Utf8ToUC16CharacterStream stream( 264 i::Utf8ToUC16CharacterStream stream(
265 reinterpret_cast<const i::byte*>(program), 265 reinterpret_cast<const i::byte*>(program),
266 static_cast<unsigned>(strlen(program))); 266 static_cast<unsigned>(strlen(program)));
267 i::CompleteParserRecorder log; 267 i::CompleteParserRecorder log;
268 i::V8JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache()); 268 i::JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache());
269 scanner.Initialize(&stream); 269 scanner.Initialize(&stream);
270 270
271 v8::preparser::PreParser::PreParseResult result = 271 v8::preparser::PreParser::PreParseResult result =
272 v8::preparser::PreParser::PreParseProgram(&scanner, 272 v8::preparser::PreParser::PreParseProgram(&scanner,
273 &log, 273 &log,
274 true, 274 true,
275 stack_limit); 275 stack_limit);
276 CHECK_EQ(v8::preparser::PreParser::kPreParseSuccess, result); 276 CHECK_EQ(v8::preparser::PreParser::kPreParseSuccess, result);
277 i::ScriptDataImpl data(log.ExtractData()); 277 i::ScriptDataImpl data(log.ExtractData());
278 CHECK(!data.has_error()); 278 CHECK(!data.has_error());
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351 reinterpret_cast<char*>(malloc(kProgramSize + 1))); 351 reinterpret_cast<char*>(malloc(kProgramSize + 1)));
352 memset(*program, '(', kProgramSize); 352 memset(*program, '(', kProgramSize);
353 program[kProgramSize] = '\0'; 353 program[kProgramSize] = '\0';
354 354
355 uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit(); 355 uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit();
356 356
357 i::Utf8ToUC16CharacterStream stream( 357 i::Utf8ToUC16CharacterStream stream(
358 reinterpret_cast<const i::byte*>(*program), 358 reinterpret_cast<const i::byte*>(*program),
359 static_cast<unsigned>(kProgramSize)); 359 static_cast<unsigned>(kProgramSize));
360 i::CompleteParserRecorder log; 360 i::CompleteParserRecorder log;
361 i::V8JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache()); 361 i::JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache());
362 scanner.Initialize(&stream); 362 scanner.Initialize(&stream);
363 363
364 364
365 v8::preparser::PreParser::PreParseResult result = 365 v8::preparser::PreParser::PreParseResult result =
366 v8::preparser::PreParser::PreParseProgram(&scanner, 366 v8::preparser::PreParser::PreParseProgram(&scanner,
367 &log, 367 &log,
368 true, 368 true,
369 stack_limit); 369 stack_limit);
370 CHECK_EQ(v8::preparser::PreParser::kPreParseStackOverflow, result); 370 CHECK_EQ(v8::preparser::PreParser::kPreParseStackOverflow, result);
371 } 371 }
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569 CHECK_EQU(i, stream.pos()); 569 CHECK_EQU(i, stream.pos());
570 } 570 }
571 } 571 }
572 572
573 #undef CHECK_EQU 573 #undef CHECK_EQU
574 574
575 void TestStreamScanner(i::UC16CharacterStream* stream, 575 void TestStreamScanner(i::UC16CharacterStream* stream,
576 i::Token::Value* expected_tokens, 576 i::Token::Value* expected_tokens,
577 int skip_pos = 0, // Zero means not skipping. 577 int skip_pos = 0, // Zero means not skipping.
578 int skip_to = 0) { 578 int skip_to = 0) {
579 i::V8JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache()); 579 i::JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache());
580 scanner.Initialize(stream); 580 scanner.Initialize(stream);
581 581
582 int i = 0; 582 int i = 0;
583 do { 583 do {
584 i::Token::Value expected = expected_tokens[i]; 584 i::Token::Value expected = expected_tokens[i];
585 i::Token::Value actual = scanner.Next(); 585 i::Token::Value actual = scanner.Next();
586 CHECK_EQ(i::Token::String(expected), i::Token::String(actual)); 586 CHECK_EQ(i::Token::String(expected), i::Token::String(actual));
587 if (scanner.location().end_pos == skip_pos) { 587 if (scanner.location().end_pos == skip_pos) {
588 scanner.SeekForward(skip_to); 588 scanner.SeekForward(skip_to);
589 } 589 }
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648 static_cast<unsigned>(strlen(str3))); 648 static_cast<unsigned>(strlen(str3)));
649 TestStreamScanner(&stream3, expectations3, 1, 1 + i); 649 TestStreamScanner(&stream3, expectations3, 1, 1 + i);
650 } 650 }
651 } 651 }
652 652
653 653
654 void TestScanRegExp(const char* re_source, const char* expected) { 654 void TestScanRegExp(const char* re_source, const char* expected) {
655 i::Utf8ToUC16CharacterStream stream( 655 i::Utf8ToUC16CharacterStream stream(
656 reinterpret_cast<const i::byte*>(re_source), 656 reinterpret_cast<const i::byte*>(re_source),
657 static_cast<unsigned>(strlen(re_source))); 657 static_cast<unsigned>(strlen(re_source)));
658 i::V8JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache()); 658 i::JavaScriptScanner scanner(i::Isolate::Current()->unicode_cache());
659 scanner.Initialize(&stream); 659 scanner.Initialize(&stream);
660 660
661 i::Token::Value start = scanner.peek(); 661 i::Token::Value start = scanner.peek();
662 CHECK(start == i::Token::DIV || start == i::Token::ASSIGN_DIV); 662 CHECK(start == i::Token::DIV || start == i::Token::ASSIGN_DIV);
663 CHECK(scanner.ScanRegExpPattern(start == i::Token::ASSIGN_DIV)); 663 CHECK(scanner.ScanRegExpPattern(start == i::Token::ASSIGN_DIV));
664 scanner.Next(); // Current token is now the regexp literal. 664 scanner.Next(); // Current token is now the regexp literal.
665 CHECK(scanner.is_literal_ascii()); 665 CHECK(scanner.is_literal_ascii());
666 i::Vector<const char> actual = scanner.literal_ascii_string(); 666 i::Vector<const char> actual = scanner.literal_ascii_string();
667 for (int i = 0; i < actual.length(); i++) { 667 for (int i = 0; i < actual.length(); i++) {
668 CHECK_NE('\0', expected[i]); 668 CHECK_NE('\0', expected[i]);
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697 TestScanRegExp("/[\\u12]/flipperwald", "[\\u12]"); 697 TestScanRegExp("/[\\u12]/flipperwald", "[\\u12]");
698 TestScanRegExp("/[\\u123]/flipperwald", "[\\u123]"); 698 TestScanRegExp("/[\\u123]/flipperwald", "[\\u123]");
699 // Escaped ']'s wont end the character class. 699 // Escaped ']'s wont end the character class.
700 TestScanRegExp("/[\\]/]/flipperwald", "[\\]/]"); 700 TestScanRegExp("/[\\]/]/flipperwald", "[\\]/]");
701 // Escaped slashes are not terminating. 701 // Escaped slashes are not terminating.
702 TestScanRegExp("/\\//flipperwald", "\\/"); 702 TestScanRegExp("/\\//flipperwald", "\\/");
703 // Starting with '=' works too. 703 // Starting with '=' works too.
704 TestScanRegExp("/=/", "="); 704 TestScanRegExp("/=/", "=");
705 TestScanRegExp("/=?/", "=?"); 705 TestScanRegExp("/=?/", "=?");
706 } 706 }
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