diff options
Diffstat (limited to 'src/3rdparty/v8/test/cctest/test-parsing.cc')
| -rw-r--r-- | src/3rdparty/v8/test/cctest/test-parsing.cc | 1285 |
1 files changed, 0 insertions, 1285 deletions
diff --git a/src/3rdparty/v8/test/cctest/test-parsing.cc b/src/3rdparty/v8/test/cctest/test-parsing.cc deleted file mode 100644 index e99b5f2..0000000 --- a/src/3rdparty/v8/test/cctest/test-parsing.cc +++ /dev/null @@ -1,1285 +0,0 @@ -// Copyright 2012 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 <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "v8.h" - -#include "cctest.h" -#include "compiler.h" -#include "execution.h" -#include "isolate.h" -#include "parser.h" -#include "preparser.h" -#include "scanner-character-streams.h" -#include "token.h" -#include "utils.h" - -TEST(ScanKeywords) { - struct KeywordToken { - const char* keyword; - i::Token::Value token; - }; - - static const KeywordToken keywords[] = { -#define KEYWORD(t, s, d) { s, i::Token::t }, - TOKEN_LIST(IGNORE_TOKEN, KEYWORD) -#undef KEYWORD - { NULL, i::Token::IDENTIFIER } - }; - - KeywordToken key_token; - i::UnicodeCache unicode_cache; - i::byte buffer[32]; - for (int i = 0; (key_token = keywords[i]).keyword != NULL; i++) { - const i::byte* keyword = - reinterpret_cast<const i::byte*>(key_token.keyword); - int length = i::StrLength(key_token.keyword); - CHECK(static_cast<int>(sizeof(buffer)) >= length); - { - i::Utf8ToUtf16CharacterStream stream(keyword, length); - i::Scanner scanner(&unicode_cache); - // The scanner should parse Harmony keywords for this test. - scanner.SetHarmonyScoping(true); - scanner.SetHarmonyModules(true); - scanner.Initialize(&stream); - CHECK_EQ(key_token.token, scanner.Next()); - CHECK_EQ(i::Token::EOS, scanner.Next()); - } - // Removing characters will make keyword matching fail. - { - i::Utf8ToUtf16CharacterStream stream(keyword, length - 1); - i::Scanner scanner(&unicode_cache); - scanner.Initialize(&stream); - CHECK_EQ(i::Token::IDENTIFIER, scanner.Next()); - CHECK_EQ(i::Token::EOS, scanner.Next()); - } - // Adding characters will make keyword matching fail. - static const char chars_to_append[] = { 'z', '0', '_' }; - for (int j = 0; j < static_cast<int>(ARRAY_SIZE(chars_to_append)); ++j) { - memmove(buffer, keyword, length); - buffer[length] = chars_to_append[j]; - i::Utf8ToUtf16CharacterStream stream(buffer, length + 1); - i::Scanner scanner(&unicode_cache); - scanner.Initialize(&stream); - CHECK_EQ(i::Token::IDENTIFIER, scanner.Next()); - CHECK_EQ(i::Token::EOS, scanner.Next()); - } - // Replacing characters will make keyword matching fail. - { - memmove(buffer, keyword, length); - buffer[length - 1] = '_'; - i::Utf8ToUtf16CharacterStream stream(buffer, length); - i::Scanner scanner(&unicode_cache); - scanner.Initialize(&stream); - CHECK_EQ(i::Token::IDENTIFIER, scanner.Next()); - CHECK_EQ(i::Token::EOS, scanner.Next()); - } - } -} - - -TEST(ScanHTMLEndComments) { - v8::V8::Initialize(); - - // Regression test. See: - // http://code.google.com/p/chromium/issues/detail?id=53548 - // Tests that --> is correctly interpreted as comment-to-end-of-line if there - // is only whitespace before it on the line (with comments considered as - // whitespace, even a multiline-comment containing a newline). - // This was not the case if it occurred before the first real token - // in the input. - const char* tests[] = { - // Before first real token. - "--> is eol-comment\nvar y = 37;\n", - "\n --> is eol-comment\nvar y = 37;\n", - "/* precomment */ --> is eol-comment\nvar y = 37;\n", - "\n/* precomment */ --> is eol-comment\nvar y = 37;\n", - // After first real token. - "var x = 42;\n--> is eol-comment\nvar y = 37;\n", - "var x = 42;\n/* precomment */ --> is eol-comment\nvar y = 37;\n", - NULL - }; - - const char* fail_tests[] = { - "x --> is eol-comment\nvar y = 37;\n", - "\"\\n\" --> is eol-comment\nvar y = 37;\n", - "x/* precomment */ --> is eol-comment\nvar y = 37;\n", - "x/* precomment\n */ --> is eol-comment\nvar y = 37;\n", - "var x = 42; --> is eol-comment\nvar y = 37;\n", - "var x = 42; /* precomment\n */ --> is eol-comment\nvar y = 37;\n", - NULL - }; - - // Parser/Scanner needs a stack limit. - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - for (int i = 0; tests[i]; i++) { - v8::ScriptData* data = - v8::ScriptData::PreCompile(tests[i], i::StrLength(tests[i])); - CHECK(data != NULL && !data->HasError()); - delete data; - } - - for (int i = 0; fail_tests[i]; i++) { - v8::ScriptData* data = - v8::ScriptData::PreCompile(fail_tests[i], i::StrLength(fail_tests[i])); - CHECK(data == NULL || data->HasError()); - delete data; - } -} - - -class ScriptResource : public v8::String::ExternalAsciiStringResource { - public: - ScriptResource(const char* data, size_t length) - : data_(data), length_(length) { } - - const char* data() const { return data_; } - size_t length() const { return length_; } - - private: - const char* data_; - size_t length_; -}; - - -TEST(Preparsing) { - v8::HandleScope handles; - v8::Persistent<v8::Context> context = v8::Context::New(); - v8::Context::Scope context_scope(context); - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - // Source containing functions that might be lazily compiled and all types - // of symbols (string, propertyName, regexp). - const char* source = - "var x = 42;" - "function foo(a) { return function nolazy(b) { return a + b; } }" - "function bar(a) { if (a) return function lazy(b) { return b; } }" - "var z = {'string': 'string literal', bareword: 'propertyName', " - " 42: 'number literal', for: 'keyword as propertyName', " - " f\\u006fr: 'keyword propertyname with escape'};" - "var v = /RegExp Literal/;" - "var w = /RegExp Literal\\u0020With Escape/gin;" - "var y = { get getter() { return 42; }, " - " set setter(v) { this.value = v; }};"; - int source_length = i::StrLength(source); - const char* error_source = "var x = y z;"; - int error_source_length = i::StrLength(error_source); - - v8::ScriptData* preparse = - v8::ScriptData::PreCompile(source, source_length); - CHECK(!preparse->HasError()); - bool lazy_flag = i::FLAG_lazy; - { - i::FLAG_lazy = true; - ScriptResource* resource = new ScriptResource(source, source_length); - v8::Local<v8::String> script_source = v8::String::NewExternal(resource); - v8::Script::Compile(script_source, NULL, preparse); - } - - { - i::FLAG_lazy = false; - - ScriptResource* resource = new ScriptResource(source, source_length); - v8::Local<v8::String> script_source = v8::String::NewExternal(resource); - v8::Script::New(script_source, NULL, preparse, v8::Local<v8::String>()); - } - delete preparse; - i::FLAG_lazy = lazy_flag; - - // Syntax error. - v8::ScriptData* error_preparse = - v8::ScriptData::PreCompile(error_source, error_source_length); - CHECK(error_preparse->HasError()); - i::ScriptDataImpl *pre_impl = - reinterpret_cast<i::ScriptDataImpl*>(error_preparse); - i::Scanner::Location error_location = - pre_impl->MessageLocation(); - // Error is at "z" in source, location 10..11. - CHECK_EQ(10, error_location.beg_pos); - CHECK_EQ(11, error_location.end_pos); - // Should not crash. - const char* message = pre_impl->BuildMessage(); - pre_impl->BuildArgs(); - CHECK_GT(strlen(message), 0); -} - - -TEST(StandAlonePreParser) { - v8::V8::Initialize(); - - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - const char* programs[] = { - "{label: 42}", - "var x = 42;", - "function foo(x, y) { return x + y; }", - "%ArgleBargle(glop);", - "var x = new new Function('this.x = 42');", - NULL - }; - - uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit(); - for (int i = 0; programs[i]; i++) { - const char* program = programs[i]; - i::Utf8ToUtf16CharacterStream stream( - reinterpret_cast<const i::byte*>(program), - static_cast<unsigned>(strlen(program))); - i::CompleteParserRecorder log; - i::Scanner scanner(i::Isolate::Current()->unicode_cache()); - scanner.Initialize(&stream); - - int flags = i::kAllowLazy | i::kAllowNativesSyntax; - v8::preparser::PreParser::PreParseResult result = - v8::preparser::PreParser::PreParseProgram(&scanner, - &log, - flags, - stack_limit); - CHECK_EQ(v8::preparser::PreParser::kPreParseSuccess, result); - i::ScriptDataImpl data(log.ExtractData()); - CHECK(!data.has_error()); - } -} - - -TEST(StandAlonePreParserNoNatives) { - v8::V8::Initialize(); - - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - const char* programs[] = { - "%ArgleBargle(glop);", - "var x = %_IsSmi(42);", - NULL - }; - - uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit(); - for (int i = 0; programs[i]; i++) { - const char* program = programs[i]; - i::Utf8ToUtf16CharacterStream stream( - reinterpret_cast<const i::byte*>(program), - static_cast<unsigned>(strlen(program))); - i::CompleteParserRecorder log; - i::Scanner scanner(i::Isolate::Current()->unicode_cache()); - scanner.Initialize(&stream); - - // Flags don't allow natives syntax. - v8::preparser::PreParser::PreParseResult result = - v8::preparser::PreParser::PreParseProgram(&scanner, - &log, - i::kAllowLazy, - stack_limit); - CHECK_EQ(v8::preparser::PreParser::kPreParseSuccess, result); - i::ScriptDataImpl data(log.ExtractData()); - // Data contains syntax error. - CHECK(data.has_error()); - } -} - - -TEST(RegressChromium62639) { - v8::V8::Initialize(); - - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - const char* program = "var x = 'something';\n" - "escape: function() {}"; - // Fails parsing expecting an identifier after "function". - // Before fix, didn't check *ok after Expect(Token::Identifier, ok), - // and then used the invalid currently scanned literal. This always - // failed in debug mode, and sometimes crashed in release mode. - - i::Utf8ToUtf16CharacterStream stream( - reinterpret_cast<const i::byte*>(program), - static_cast<unsigned>(strlen(program))); - i::ScriptDataImpl* data = - i::ParserApi::PreParse(&stream, NULL, false); - CHECK(data->HasError()); - delete data; -} - - -TEST(Regress928) { - v8::V8::Initialize(); - - // Preparsing didn't consider the catch clause of a try statement - // as with-content, which made it assume that a function inside - // the block could be lazily compiled, and an extra, unexpected, - // entry was added to the data. - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - const char* program = - "try { } catch (e) { var foo = function () { /* first */ } }" - "var bar = function () { /* second */ }"; - - v8::HandleScope handles; - i::Handle<i::String> source( - FACTORY->NewStringFromAscii(i::CStrVector(program))); - i::GenericStringUtf16CharacterStream stream(source, 0, source->length()); - i::ScriptDataImpl* data = i::ParserApi::PreParse(&stream, NULL, false); - CHECK(!data->HasError()); - - data->Initialize(); - - int first_function = - static_cast<int>(strstr(program, "function") - program); - int first_lbrace = first_function + i::StrLength("function () "); - CHECK_EQ('{', program[first_lbrace]); - i::FunctionEntry entry1 = data->GetFunctionEntry(first_lbrace); - CHECK(!entry1.is_valid()); - - int second_function = - static_cast<int>(strstr(program + first_lbrace, "function") - program); - int second_lbrace = - second_function + i::StrLength("function () "); - CHECK_EQ('{', program[second_lbrace]); - i::FunctionEntry entry2 = data->GetFunctionEntry(second_lbrace); - CHECK(entry2.is_valid()); - CHECK_EQ('}', program[entry2.end_pos() - 1]); - delete data; -} - - -TEST(PreParseOverflow) { - v8::V8::Initialize(); - - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - size_t kProgramSize = 1024 * 1024; - i::SmartArrayPointer<char> program( - reinterpret_cast<char*>(malloc(kProgramSize + 1))); - memset(*program, '(', kProgramSize); - program[kProgramSize] = '\0'; - - uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit(); - - i::Utf8ToUtf16CharacterStream stream( - reinterpret_cast<const i::byte*>(*program), - static_cast<unsigned>(kProgramSize)); - i::CompleteParserRecorder log; - i::Scanner scanner(i::Isolate::Current()->unicode_cache()); - scanner.Initialize(&stream); - - - v8::preparser::PreParser::PreParseResult result = - v8::preparser::PreParser::PreParseProgram(&scanner, - &log, - true, - stack_limit); - CHECK_EQ(v8::preparser::PreParser::kPreParseStackOverflow, result); -} - - -class TestExternalResource: public v8::String::ExternalStringResource { - public: - explicit TestExternalResource(uint16_t* data, int length) - : data_(data), length_(static_cast<size_t>(length)) { } - - ~TestExternalResource() { } - - const uint16_t* data() const { - return data_; - } - - size_t length() const { - return length_; - } - private: - uint16_t* data_; - size_t length_; -}; - - -#define CHECK_EQU(v1, v2) CHECK_EQ(static_cast<int>(v1), static_cast<int>(v2)) - -void TestCharacterStream(const char* ascii_source, - unsigned length, - unsigned start = 0, - unsigned end = 0) { - if (end == 0) end = length; - unsigned sub_length = end - start; - i::HandleScope test_scope(i::Isolate::Current()); - i::SmartArrayPointer<i::uc16> uc16_buffer(new i::uc16[length]); - for (unsigned i = 0; i < length; i++) { - uc16_buffer[i] = static_cast<i::uc16>(ascii_source[i]); - } - i::Vector<const char> ascii_vector(ascii_source, static_cast<int>(length)); - i::Handle<i::String> ascii_string( - FACTORY->NewStringFromAscii(ascii_vector)); - TestExternalResource resource(*uc16_buffer, length); - i::Handle<i::String> uc16_string( - FACTORY->NewExternalStringFromTwoByte(&resource)); - - i::ExternalTwoByteStringUtf16CharacterStream uc16_stream( - i::Handle<i::ExternalTwoByteString>::cast(uc16_string), start, end); - i::GenericStringUtf16CharacterStream string_stream(ascii_string, start, end); - i::Utf8ToUtf16CharacterStream utf8_stream( - reinterpret_cast<const i::byte*>(ascii_source), end); - utf8_stream.SeekForward(start); - - unsigned i = start; - while (i < end) { - // Read streams one char at a time - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - int32_t c0 = ascii_source[i]; - int32_t c1 = uc16_stream.Advance(); - int32_t c2 = string_stream.Advance(); - int32_t c3 = utf8_stream.Advance(); - i++; - CHECK_EQ(c0, c1); - CHECK_EQ(c0, c2); - CHECK_EQ(c0, c3); - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - } - while (i > start + sub_length / 4) { - // Pushback, re-read, pushback again. - int32_t c0 = ascii_source[i - 1]; - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - uc16_stream.PushBack(c0); - string_stream.PushBack(c0); - utf8_stream.PushBack(c0); - i--; - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - int32_t c1 = uc16_stream.Advance(); - int32_t c2 = string_stream.Advance(); - int32_t c3 = utf8_stream.Advance(); - i++; - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - CHECK_EQ(c0, c1); - CHECK_EQ(c0, c2); - CHECK_EQ(c0, c3); - uc16_stream.PushBack(c0); - string_stream.PushBack(c0); - utf8_stream.PushBack(c0); - i--; - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - } - unsigned halfway = start + sub_length / 2; - uc16_stream.SeekForward(halfway - i); - string_stream.SeekForward(halfway - i); - utf8_stream.SeekForward(halfway - i); - i = halfway; - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - - while (i < end) { - // Read streams one char at a time - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - int32_t c0 = ascii_source[i]; - int32_t c1 = uc16_stream.Advance(); - int32_t c2 = string_stream.Advance(); - int32_t c3 = utf8_stream.Advance(); - i++; - CHECK_EQ(c0, c1); - CHECK_EQ(c0, c2); - CHECK_EQ(c0, c3); - CHECK_EQU(i, uc16_stream.pos()); - CHECK_EQU(i, string_stream.pos()); - CHECK_EQU(i, utf8_stream.pos()); - } - - int32_t c1 = uc16_stream.Advance(); - int32_t c2 = string_stream.Advance(); - int32_t c3 = utf8_stream.Advance(); - CHECK_LT(c1, 0); - CHECK_LT(c2, 0); - CHECK_LT(c3, 0); -} - - -TEST(CharacterStreams) { - v8::HandleScope handles; - v8::Persistent<v8::Context> context = v8::Context::New(); - v8::Context::Scope context_scope(context); - - TestCharacterStream("abc\0\n\r\x7f", 7); - static const unsigned kBigStringSize = 4096; - char buffer[kBigStringSize + 1]; - for (unsigned i = 0; i < kBigStringSize; i++) { - buffer[i] = static_cast<char>(i & 0x7f); - } - TestCharacterStream(buffer, kBigStringSize); - - TestCharacterStream(buffer, kBigStringSize, 576, 3298); - - TestCharacterStream("\0", 1); - TestCharacterStream("", 0); -} - - -TEST(Utf8CharacterStream) { - static const unsigned kMaxUC16CharU = unibrow::Utf8::kMaxThreeByteChar; - static const int kMaxUC16Char = static_cast<int>(kMaxUC16CharU); - - static const int kAllUtf8CharsSize = - (unibrow::Utf8::kMaxOneByteChar + 1) + - (unibrow::Utf8::kMaxTwoByteChar - unibrow::Utf8::kMaxOneByteChar) * 2 + - (unibrow::Utf8::kMaxThreeByteChar - unibrow::Utf8::kMaxTwoByteChar) * 3; - static const unsigned kAllUtf8CharsSizeU = - static_cast<unsigned>(kAllUtf8CharsSize); - - char buffer[kAllUtf8CharsSizeU]; - unsigned cursor = 0; - for (int i = 0; i <= kMaxUC16Char; i++) { - cursor += unibrow::Utf8::Encode(buffer + cursor, - i, - unibrow::Utf16::kNoPreviousCharacter); - } - ASSERT(cursor == kAllUtf8CharsSizeU); - - i::Utf8ToUtf16CharacterStream stream(reinterpret_cast<const i::byte*>(buffer), - kAllUtf8CharsSizeU); - for (int i = 0; i <= kMaxUC16Char; i++) { - CHECK_EQU(i, stream.pos()); - int32_t c = stream.Advance(); - CHECK_EQ(i, c); - CHECK_EQU(i + 1, stream.pos()); - } - for (int i = kMaxUC16Char; i >= 0; i--) { - CHECK_EQU(i + 1, stream.pos()); - stream.PushBack(i); - CHECK_EQU(i, stream.pos()); - } - int i = 0; - while (stream.pos() < kMaxUC16CharU) { - CHECK_EQU(i, stream.pos()); - unsigned progress = stream.SeekForward(12); - i += progress; - int32_t c = stream.Advance(); - if (i <= kMaxUC16Char) { - CHECK_EQ(i, c); - } else { - CHECK_EQ(-1, c); - } - i += 1; - CHECK_EQU(i, stream.pos()); - } -} - -#undef CHECK_EQU - -void TestStreamScanner(i::Utf16CharacterStream* stream, - i::Token::Value* expected_tokens, - int skip_pos = 0, // Zero means not skipping. - int skip_to = 0) { - i::Scanner scanner(i::Isolate::Current()->unicode_cache()); - scanner.Initialize(stream); - - int i = 0; - do { - i::Token::Value expected = expected_tokens[i]; - i::Token::Value actual = scanner.Next(); - CHECK_EQ(i::Token::String(expected), i::Token::String(actual)); - if (scanner.location().end_pos == skip_pos) { - scanner.SeekForward(skip_to); - } - i++; - } while (expected_tokens[i] != i::Token::ILLEGAL); -} - -TEST(StreamScanner) { - v8::V8::Initialize(); - - const char* str1 = "{ foo get for : */ <- \n\n /*foo*/ bib"; - i::Utf8ToUtf16CharacterStream stream1(reinterpret_cast<const i::byte*>(str1), - static_cast<unsigned>(strlen(str1))); - i::Token::Value expectations1[] = { - i::Token::LBRACE, - i::Token::IDENTIFIER, - i::Token::IDENTIFIER, - i::Token::FOR, - i::Token::COLON, - i::Token::MUL, - i::Token::DIV, - i::Token::LT, - i::Token::SUB, - i::Token::IDENTIFIER, - i::Token::EOS, - i::Token::ILLEGAL - }; - TestStreamScanner(&stream1, expectations1, 0, 0); - - const char* str2 = "case default const {THIS\nPART\nSKIPPED} do"; - i::Utf8ToUtf16CharacterStream stream2(reinterpret_cast<const i::byte*>(str2), - static_cast<unsigned>(strlen(str2))); - i::Token::Value expectations2[] = { - i::Token::CASE, - i::Token::DEFAULT, - i::Token::CONST, - i::Token::LBRACE, - // Skipped part here - i::Token::RBRACE, - i::Token::DO, - i::Token::EOS, - i::Token::ILLEGAL - }; - ASSERT_EQ('{', str2[19]); - ASSERT_EQ('}', str2[37]); - TestStreamScanner(&stream2, expectations2, 20, 37); - - const char* str3 = "{}}}}"; - i::Token::Value expectations3[] = { - i::Token::LBRACE, - i::Token::RBRACE, - i::Token::RBRACE, - i::Token::RBRACE, - i::Token::RBRACE, - i::Token::EOS, - i::Token::ILLEGAL - }; - // Skip zero-four RBRACEs. - for (int i = 0; i <= 4; i++) { - expectations3[6 - i] = i::Token::ILLEGAL; - expectations3[5 - i] = i::Token::EOS; - i::Utf8ToUtf16CharacterStream stream3( - reinterpret_cast<const i::byte*>(str3), - static_cast<unsigned>(strlen(str3))); - TestStreamScanner(&stream3, expectations3, 1, 1 + i); - } -} - - -void TestScanRegExp(const char* re_source, const char* expected) { - i::Utf8ToUtf16CharacterStream stream( - reinterpret_cast<const i::byte*>(re_source), - static_cast<unsigned>(strlen(re_source))); - i::Scanner scanner(i::Isolate::Current()->unicode_cache()); - scanner.Initialize(&stream); - - i::Token::Value start = scanner.peek(); - CHECK(start == i::Token::DIV || start == i::Token::ASSIGN_DIV); - CHECK(scanner.ScanRegExpPattern(start == i::Token::ASSIGN_DIV)); - scanner.Next(); // Current token is now the regexp literal. - CHECK(scanner.is_literal_ascii()); - i::Vector<const char> actual = scanner.literal_ascii_string(); - for (int i = 0; i < actual.length(); i++) { - CHECK_NE('\0', expected[i]); - CHECK_EQ(expected[i], actual[i]); - } -} - - -TEST(RegExpScanning) { - v8::V8::Initialize(); - - // RegExp token with added garbage at the end. The scanner should only - // scan the RegExp until the terminating slash just before "flipperwald". - TestScanRegExp("/b/flipperwald", "b"); - // Incomplete escape sequences doesn't hide the terminating slash. - TestScanRegExp("/\\x/flipperwald", "\\x"); - TestScanRegExp("/\\u/flipperwald", "\\u"); - TestScanRegExp("/\\u1/flipperwald", "\\u1"); - TestScanRegExp("/\\u12/flipperwald", "\\u12"); - TestScanRegExp("/\\u123/flipperwald", "\\u123"); - TestScanRegExp("/\\c/flipperwald", "\\c"); - TestScanRegExp("/\\c//flipperwald", "\\c"); - // Slashes inside character classes are not terminating. - TestScanRegExp("/[/]/flipperwald", "[/]"); - TestScanRegExp("/[\\s-/]/flipperwald", "[\\s-/]"); - // Incomplete escape sequences inside a character class doesn't hide - // the end of the character class. - TestScanRegExp("/[\\c/]/flipperwald", "[\\c/]"); - TestScanRegExp("/[\\c]/flipperwald", "[\\c]"); - TestScanRegExp("/[\\x]/flipperwald", "[\\x]"); - TestScanRegExp("/[\\x1]/flipperwald", "[\\x1]"); - TestScanRegExp("/[\\u]/flipperwald", "[\\u]"); - TestScanRegExp("/[\\u1]/flipperwald", "[\\u1]"); - TestScanRegExp("/[\\u12]/flipperwald", "[\\u12]"); - TestScanRegExp("/[\\u123]/flipperwald", "[\\u123]"); - // Escaped ']'s wont end the character class. - TestScanRegExp("/[\\]/]/flipperwald", "[\\]/]"); - // Escaped slashes are not terminating. - TestScanRegExp("/\\//flipperwald", "\\/"); - // Starting with '=' works too. - TestScanRegExp("/=/", "="); - TestScanRegExp("/=?/", "=?"); -} - - -static int Utf8LengthHelper(const char* s) { - int len = i::StrLength(s); - int character_length = len; - for (int i = 0; i < len; i++) { - unsigned char c = s[i]; - int input_offset = 0; - int output_adjust = 0; - if (c > 0x7f) { - if (c < 0xc0) continue; - if (c >= 0xf0) { - if (c >= 0xf8) { - // 5 and 6 byte UTF-8 sequences turn into a kBadChar for each UTF-8 - // byte. - continue; // Handle first UTF-8 byte. - } - if ((c & 7) == 0 && ((s[i + 1] & 0x30) == 0)) { - // This 4 byte sequence could have been coded as a 3 byte sequence. - // Record a single kBadChar for the first byte and continue. - continue; - } - input_offset = 3; - // 4 bytes of UTF-8 turn into 2 UTF-16 code units. - character_length -= 2; - } else if (c >= 0xe0) { - if ((c & 0xf) == 0 && ((s[i + 1] & 0x20) == 0)) { - // This 3 byte sequence could have been coded as a 2 byte sequence. - // Record a single kBadChar for the first byte and continue. - continue; - } - input_offset = 2; - // 3 bytes of UTF-8 turn into 1 UTF-16 code unit. - output_adjust = 2; - } else { - if ((c & 0x1e) == 0) { - // This 2 byte sequence could have been coded as a 1 byte sequence. - // Record a single kBadChar for the first byte and continue. - continue; - } - input_offset = 1; - // 2 bytes of UTF-8 turn into 1 UTF-16 code unit. - output_adjust = 1; - } - bool bad = false; - for (int j = 1; j <= input_offset; j++) { - if ((s[i + j] & 0xc0) != 0x80) { - // Bad UTF-8 sequence turns the first in the sequence into kBadChar, - // which is a single UTF-16 code unit. - bad = true; - break; - } - } - if (!bad) { - i += input_offset; - character_length -= output_adjust; - } - } - } - return character_length; -} - - -TEST(ScopePositions) { - // Test the parser for correctly setting the start and end positions - // of a scope. We check the scope positions of exactly one scope - // nested in the global scope of a program. 'inner source' is the - // source code that determines the part of the source belonging - // to the nested scope. 'outer_prefix' and 'outer_suffix' are - // parts of the source that belong to the global scope. - struct SourceData { - const char* outer_prefix; - const char* inner_source; - const char* outer_suffix; - i::ScopeType scope_type; - i::LanguageMode language_mode; - }; - - const SourceData source_data[] = { - { " with ({}) ", "{ block; }", " more;", i::WITH_SCOPE, i::CLASSIC_MODE }, - { " with ({}) ", "{ block; }", "; more;", i::WITH_SCOPE, i::CLASSIC_MODE }, - { " with ({}) ", "{\n" - " block;\n" - " }", "\n" - " more;", i::WITH_SCOPE, i::CLASSIC_MODE }, - { " with ({}) ", "statement;", " more;", i::WITH_SCOPE, i::CLASSIC_MODE }, - { " with ({}) ", "statement", "\n" - " more;", i::WITH_SCOPE, i::CLASSIC_MODE }, - { " with ({})\n" - " ", "statement;", "\n" - " more;", i::WITH_SCOPE, i::CLASSIC_MODE }, - { " try {} catch ", "(e) { block; }", " more;", - i::CATCH_SCOPE, i::CLASSIC_MODE }, - { " try {} catch ", "(e) { block; }", "; more;", - i::CATCH_SCOPE, i::CLASSIC_MODE }, - { " try {} catch ", "(e) {\n" - " block;\n" - " }", "\n" - " more;", i::CATCH_SCOPE, i::CLASSIC_MODE }, - { " try {} catch ", "(e) { block; }", " finally { block; } more;", - i::CATCH_SCOPE, i::CLASSIC_MODE }, - { " start;\n" - " ", "{ let block; }", " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " start;\n" - " ", "{ let block; }", "; more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " start;\n" - " ", "{\n" - " let block;\n" - " }", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " start;\n" - " function fun", "(a,b) { infunction; }", " more;", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - { " start;\n" - " function fun", "(a,b) {\n" - " infunction;\n" - " }", "\n" - " more;", i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - { " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - { " for ", "(let x = 1 ; x < 10; ++ x) { block; }", " more;", - i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x = 1 ; x < 10; ++ x) { block; }", "; more;", - i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x = 1 ; x < 10; ++ x) {\n" - " block;\n" - " }", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x = 1 ; x < 10; ++ x) statement;", " more;", - i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x = 1 ; x < 10; ++ x) statement", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x = 1 ; x < 10; ++ x)\n" - " statement;", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x in {}) { block; }", " more;", - i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x in {}) { block; }", "; more;", - i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x in {}) {\n" - " block;\n" - " }", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x in {}) statement;", " more;", - i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x in {}) statement", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - { " for ", "(let x in {})\n" - " statement;", "\n" - " more;", i::BLOCK_SCOPE, i::EXTENDED_MODE }, - // Check that 6-byte and 4-byte encodings of UTF-8 strings do not throw - // the preparser off in terms of byte offsets. - // 6 byte encoding. - { " 'foo\355\240\201\355\260\211';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // 4 byte encoding. - { " 'foo\360\220\220\212';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // 3 byte encoding of \u0fff. - { " 'foo\340\277\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 6 byte encoding with missing last byte. - { " 'foo\355\240\201\355\211';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 3 byte encoding of \u0fff with missing last byte. - { " 'foo\340\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 3 byte encoding of \u0fff with missing 2 last bytes. - { " 'foo\340';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 3 byte encoding of \u00ff should be a 2 byte encoding. - { " 'foo\340\203\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 3 byte encoding of \u007f should be a 2 byte encoding. - { " 'foo\340\201\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Unpaired lead surrogate. - { " 'foo\355\240\201';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Unpaired lead surrogate where following code point is a 3 byte sequence. - { " 'foo\355\240\201\340\277\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Unpaired lead surrogate where following code point is a 4 byte encoding - // of a trail surrogate. - { " 'foo\355\240\201\360\215\260\211';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Unpaired trail surrogate. - { " 'foo\355\260\211';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // 2 byte encoding of \u00ff. - { " 'foo\303\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 2 byte encoding of \u00ff with missing last byte. - { " 'foo\303';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Broken 2 byte encoding of \u007f should be a 1 byte encoding. - { " 'foo\301\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Illegal 5 byte encoding. - { " 'foo\370\277\277\277\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Illegal 6 byte encoding. - { " 'foo\374\277\277\277\277\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Illegal 0xfe byte - { " 'foo\376\277\277\277\277\277\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - // Illegal 0xff byte - { " 'foo\377\277\277\277\277\277\277\277';\n" - " (function fun", "(a,b) { infunction; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - { " 'foo';\n" - " (function fun", "(a,b) { 'bar\355\240\201\355\260\213'; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - { " 'foo';\n" - " (function fun", "(a,b) { 'bar\360\220\220\214'; }", ")();", - i::FUNCTION_SCOPE, i::CLASSIC_MODE }, - { NULL, NULL, NULL, i::EVAL_SCOPE, i::CLASSIC_MODE } - }; - - v8::HandleScope handles; - v8::Persistent<v8::Context> context = v8::Context::New(); - v8::Context::Scope context_scope(context); - - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - i::FLAG_harmony_scoping = true; - - for (int i = 0; source_data[i].outer_prefix; i++) { - int kPrefixLen = Utf8LengthHelper(source_data[i].outer_prefix); - int kInnerLen = Utf8LengthHelper(source_data[i].inner_source); - int kSuffixLen = Utf8LengthHelper(source_data[i].outer_suffix); - int kPrefixByteLen = i::StrLength(source_data[i].outer_prefix); - int kInnerByteLen = i::StrLength(source_data[i].inner_source); - int kSuffixByteLen = i::StrLength(source_data[i].outer_suffix); - int kProgramSize = kPrefixLen + kInnerLen + kSuffixLen; - int kProgramByteSize = kPrefixByteLen + kInnerByteLen + kSuffixByteLen; - i::Vector<char> program = i::Vector<char>::New(kProgramByteSize + 1); - i::OS::SNPrintF(program, "%s%s%s", - source_data[i].outer_prefix, - source_data[i].inner_source, - source_data[i].outer_suffix); - - // Parse program source. - i::Handle<i::String> source( - FACTORY->NewStringFromUtf8(i::CStrVector(program.start()))); - CHECK_EQ(source->length(), kProgramSize); - i::Handle<i::Script> script = FACTORY->NewScript(source); - i::CompilationInfoWithZone info(script); - i::Parser parser(&info, i::kAllowLazy | i::EXTENDED_MODE, NULL, NULL); - info.MarkAsGlobal(); - info.SetLanguageMode(source_data[i].language_mode); - i::FunctionLiteral* function = parser.ParseProgram(); - CHECK(function != NULL); - - // Check scope types and positions. - i::Scope* scope = function->scope(); - CHECK(scope->is_global_scope()); - CHECK_EQ(scope->start_position(), 0); - CHECK_EQ(scope->end_position(), kProgramSize); - CHECK_EQ(scope->inner_scopes()->length(), 1); - - i::Scope* inner_scope = scope->inner_scopes()->at(0); - CHECK_EQ(inner_scope->type(), source_data[i].scope_type); - CHECK_EQ(inner_scope->start_position(), kPrefixLen); - // The end position of a token is one position after the last - // character belonging to that token. - CHECK_EQ(inner_scope->end_position(), kPrefixLen + kInnerLen); - } -} - - -i::Handle<i::String> FormatMessage(i::ScriptDataImpl* data) { - i::Handle<i::String> format = v8::Utils::OpenHandle( - *v8::String::New(data->BuildMessage())); - i::Vector<const char*> args = data->BuildArgs(); - i::Handle<i::JSArray> args_array = FACTORY->NewJSArray(args.length()); - for (int i = 0; i < args.length(); i++) { - i::JSArray::SetElement(args_array, - i, - v8::Utils::OpenHandle(*v8::String::New(args[i])), - NONE, - i::kNonStrictMode); - } - i::Handle<i::JSObject> builtins(i::Isolate::Current()->js_builtins_object()); - i::Handle<i::Object> format_fun = - i::GetProperty(builtins, "FormatMessage"); - i::Handle<i::Object> arg_handles[] = { format, args_array }; - bool has_exception = false; - i::Handle<i::Object> result = - i::Execution::Call(format_fun, builtins, 2, arg_handles, &has_exception); - CHECK(!has_exception); - CHECK(result->IsString()); - return i::Handle<i::String>::cast(result); -} - - -void TestParserSync(i::Handle<i::String> source, int flags) { - uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit(); - bool harmony_scoping = ((i::kLanguageModeMask & flags) == i::EXTENDED_MODE); - - // Preparse the data. - i::CompleteParserRecorder log; - i::Scanner scanner(i::Isolate::Current()->unicode_cache()); - i::GenericStringUtf16CharacterStream stream(source, 0, source->length()); - scanner.SetHarmonyScoping(harmony_scoping); - scanner.Initialize(&stream); - v8::preparser::PreParser::PreParseResult result = - v8::preparser::PreParser::PreParseProgram( - &scanner, &log, flags, stack_limit); - CHECK_EQ(v8::preparser::PreParser::kPreParseSuccess, result); - i::ScriptDataImpl data(log.ExtractData()); - - // Parse the data - i::Handle<i::Script> script = FACTORY->NewScript(source); - bool save_harmony_scoping = i::FLAG_harmony_scoping; - i::FLAG_harmony_scoping = harmony_scoping; - i::CompilationInfoWithZone info(script); - i::Parser parser(&info, flags, NULL, NULL); - info.MarkAsGlobal(); - i::FunctionLiteral* function = parser.ParseProgram(); - i::FLAG_harmony_scoping = save_harmony_scoping; - - // Check that preparsing fails iff parsing fails. - if (function == NULL) { - // Extract exception from the parser. - CHECK(i::Isolate::Current()->has_pending_exception()); - i::MaybeObject* maybe_object = i::Isolate::Current()->pending_exception(); - i::JSObject* exception = NULL; - CHECK(maybe_object->To(&exception)); - i::Handle<i::JSObject> exception_handle(exception); - i::Handle<i::String> message_string = - i::Handle<i::String>::cast(i::GetProperty(exception_handle, "message")); - - if (!data.has_error()) { - i::OS::Print( - "Parser failed on:\n" - "\t%s\n" - "with error:\n" - "\t%s\n" - "However, the preparser succeeded", - *source->ToCString(), *message_string->ToCString()); - CHECK(false); - } - // Check that preparser and parser produce the same error. - i::Handle<i::String> preparser_message = FormatMessage(&data); - if (!message_string->Equals(*preparser_message)) { - i::OS::Print( - "Expected parser and preparser to produce the same error on:\n" - "\t%s\n" - "However, found the following error messages\n" - "\tparser: %s\n" - "\tpreparser: %s\n", - *source->ToCString(), - *message_string->ToCString(), - *preparser_message->ToCString()); - CHECK(false); - } - } else if (data.has_error()) { - i::OS::Print( - "Preparser failed on:\n" - "\t%s\n" - "with error:\n" - "\t%s\n" - "However, the parser succeeded", - *source->ToCString(), *FormatMessage(&data)->ToCString()); - CHECK(false); - } -} - - -void TestParserSyncWithFlags(i::Handle<i::String> source) { - static const int kFlagsCount = 6; - const int flags[kFlagsCount] = { - i::kNoParsingFlags | i::CLASSIC_MODE, - i::kNoParsingFlags | i::STRICT_MODE, - i::kNoParsingFlags | i::EXTENDED_MODE, - i::kAllowLazy | i::CLASSIC_MODE, - i::kAllowLazy | i::STRICT_MODE, - i::kAllowLazy | i::EXTENDED_MODE - }; - - for (int k = 0; k < kFlagsCount; ++k) { - TestParserSync(source, flags[k]); - } -} - - -TEST(ParserSync) { - const char* context_data[][2] = { - { "", "" }, - { "{", "}" }, - { "if (true) ", " else {}" }, - { "if (true) {} else ", "" }, - { "if (true) ", "" }, - { "do ", " while (false)" }, - { "while (false) ", "" }, - { "for (;;) ", "" }, - { "with ({})", "" }, - { "switch (12) { case 12: ", "}" }, - { "switch (12) { default: ", "}" }, - { "switch (12) { ", "case 12: }" }, - { "label2: ", "" }, - { NULL, NULL } - }; - - const char* statement_data[] = { - "{}", - "var x", - "var x = 1", - "const x", - "const x = 1", - ";", - "12", - "if (false) {} else ;", - "if (false) {} else {}", - "if (false) {} else 12", - "if (false) ;" - "if (false) {}", - "if (false) 12", - "do {} while (false)", - "for (;;) ;", - "for (;;) {}", - "for (;;) 12", - "continue", - "continue label", - "continue\nlabel", - "break", - "break label", - "break\nlabel", - "return", - "return 12", - "return\n12", - "with ({}) ;", - "with ({}) {}", - "with ({}) 12", - "switch ({}) { default: }" - "label3: " - "throw", - "throw 12", - "throw\n12", - "try {} catch(e) {}", - "try {} finally {}", - "try {} catch(e) {} finally {}", - "debugger", - NULL - }; - - const char* termination_data[] = { - "", - ";", - "\n", - ";\n", - "\n;", - NULL - }; - - v8::HandleScope handles; - v8::Persistent<v8::Context> context = v8::Context::New(); - v8::Context::Scope context_scope(context); - - int marker; - i::Isolate::Current()->stack_guard()->SetStackLimit( - reinterpret_cast<uintptr_t>(&marker) - 128 * 1024); - - for (int i = 0; context_data[i][0] != NULL; ++i) { - for (int j = 0; statement_data[j] != NULL; ++j) { - for (int k = 0; termination_data[k] != NULL; ++k) { - int kPrefixLen = i::StrLength(context_data[i][0]); - int kStatementLen = i::StrLength(statement_data[j]); - int kTerminationLen = i::StrLength(termination_data[k]); - int kSuffixLen = i::StrLength(context_data[i][1]); - int kProgramSize = kPrefixLen + kStatementLen + kTerminationLen - + kSuffixLen + i::StrLength("label: for (;;) { }"); - - // Plug the source code pieces together. - i::Vector<char> program = i::Vector<char>::New(kProgramSize + 1); - int length = i::OS::SNPrintF(program, - "label: for (;;) { %s%s%s%s }", - context_data[i][0], - statement_data[j], - termination_data[k], - context_data[i][1]); - CHECK(length == kProgramSize); - i::Handle<i::String> source = - FACTORY->NewStringFromAscii(i::CStrVector(program.start())); - TestParserSyncWithFlags(source); - } - } - } -} - - -TEST(PreparserStrictOctal) { - // Test that syntax error caused by octal literal is reported correctly as - // such (issue 2220). - v8::internal::FLAG_min_preparse_length = 1; // Force preparsing. - v8::V8::Initialize(); - v8::HandleScope scope; - v8::Context::Scope context_scope(v8::Context::New()); - v8::TryCatch try_catch; - const char* script = - "\"use strict\"; \n" - "a = function() { \n" - " b = function() { \n" - " 01; \n" - " }; \n" - "}; \n"; - v8::Script::Compile(v8::String::New(script)); - CHECK(try_catch.HasCaught()); - v8::String::Utf8Value exception(try_catch.Exception()); - CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.", - *exception); -} |