Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 28 | #include <stdio.h> |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 29 | #include <stdlib.h> |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 30 | #include <string.h> |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 31 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 32 | #include "src/v8.h" |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 33 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 34 | #include "src/ast.h" |
| 35 | #include "src/ast-numbering.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 36 | #include "src/ast-value-factory.h" |
| 37 | #include "src/compiler.h" |
| 38 | #include "src/execution.h" |
| 39 | #include "src/isolate.h" |
| 40 | #include "src/objects.h" |
| 41 | #include "src/parser.h" |
| 42 | #include "src/preparser.h" |
| 43 | #include "src/rewriter.h" |
| 44 | #include "src/scanner-character-streams.h" |
| 45 | #include "src/token.h" |
| 46 | #include "src/utils.h" |
| 47 | |
| 48 | #include "test/cctest/cctest.h" |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 49 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 50 | TEST(ScanKeywords) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 51 | struct KeywordToken { |
| 52 | const char* keyword; |
| 53 | i::Token::Value token; |
| 54 | }; |
| 55 | |
| 56 | static const KeywordToken keywords[] = { |
| 57 | #define KEYWORD(t, s, d) { s, i::Token::t }, |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 58 | TOKEN_LIST(IGNORE_TOKEN, KEYWORD) |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 59 | #undef KEYWORD |
| 60 | { NULL, i::Token::IDENTIFIER } |
| 61 | }; |
| 62 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 63 | KeywordToken key_token; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 64 | i::UnicodeCache unicode_cache; |
| 65 | i::byte buffer[32]; |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 66 | for (int i = 0; (key_token = keywords[i]).keyword != NULL; i++) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 67 | const i::byte* keyword = |
| 68 | reinterpret_cast<const i::byte*>(key_token.keyword); |
| 69 | int length = i::StrLength(key_token.keyword); |
| 70 | CHECK(static_cast<int>(sizeof(buffer)) >= length); |
| 71 | { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 72 | i::Utf8ToUtf16CharacterStream stream(keyword, length); |
| 73 | i::Scanner scanner(&unicode_cache); |
| 74 | // The scanner should parse Harmony keywords for this test. |
| 75 | scanner.SetHarmonyScoping(true); |
| 76 | scanner.SetHarmonyModules(true); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 77 | scanner.SetHarmonyClasses(true); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 78 | scanner.Initialize(&stream); |
| 79 | CHECK_EQ(key_token.token, scanner.Next()); |
| 80 | CHECK_EQ(i::Token::EOS, scanner.Next()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 81 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 82 | // Removing characters will make keyword matching fail. |
| 83 | { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 84 | i::Utf8ToUtf16CharacterStream stream(keyword, length - 1); |
| 85 | i::Scanner scanner(&unicode_cache); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 86 | scanner.Initialize(&stream); |
| 87 | CHECK_EQ(i::Token::IDENTIFIER, scanner.Next()); |
| 88 | CHECK_EQ(i::Token::EOS, scanner.Next()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 89 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 90 | // Adding characters will make keyword matching fail. |
| 91 | static const char chars_to_append[] = { 'z', '0', '_' }; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 92 | for (int j = 0; j < static_cast<int>(arraysize(chars_to_append)); ++j) { |
| 93 | i::MemMove(buffer, keyword, length); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 94 | buffer[length] = chars_to_append[j]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 95 | i::Utf8ToUtf16CharacterStream stream(buffer, length + 1); |
| 96 | i::Scanner scanner(&unicode_cache); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 97 | scanner.Initialize(&stream); |
| 98 | CHECK_EQ(i::Token::IDENTIFIER, scanner.Next()); |
| 99 | CHECK_EQ(i::Token::EOS, scanner.Next()); |
| 100 | } |
| 101 | // Replacing characters will make keyword matching fail. |
| 102 | { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 103 | i::MemMove(buffer, keyword, length); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 104 | buffer[length - 1] = '_'; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 105 | i::Utf8ToUtf16CharacterStream stream(buffer, length); |
| 106 | i::Scanner scanner(&unicode_cache); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 107 | scanner.Initialize(&stream); |
| 108 | CHECK_EQ(i::Token::IDENTIFIER, scanner.Next()); |
| 109 | CHECK_EQ(i::Token::EOS, scanner.Next()); |
| 110 | } |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 111 | } |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 112 | } |
| 113 | |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 114 | |
| 115 | TEST(ScanHTMLEndComments) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 116 | v8::V8::Initialize(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 117 | v8::Isolate* isolate = CcTest::isolate(); |
| 118 | v8::HandleScope handles(isolate); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 119 | |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 120 | // Regression test. See: |
| 121 | // http://code.google.com/p/chromium/issues/detail?id=53548 |
| 122 | // Tests that --> is correctly interpreted as comment-to-end-of-line if there |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 123 | // is only whitespace before it on the line (with comments considered as |
| 124 | // whitespace, even a multiline-comment containing a newline). |
| 125 | // This was not the case if it occurred before the first real token |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 126 | // in the input. |
| 127 | const char* tests[] = { |
| 128 | // Before first real token. |
| 129 | "--> is eol-comment\nvar y = 37;\n", |
| 130 | "\n --> is eol-comment\nvar y = 37;\n", |
| 131 | "/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 132 | "\n/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 133 | // After first real token. |
| 134 | "var x = 42;\n--> is eol-comment\nvar y = 37;\n", |
| 135 | "var x = 42;\n/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 136 | NULL |
| 137 | }; |
| 138 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 139 | const char* fail_tests[] = { |
| 140 | "x --> is eol-comment\nvar y = 37;\n", |
| 141 | "\"\\n\" --> is eol-comment\nvar y = 37;\n", |
| 142 | "x/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 143 | "x/* precomment\n */ --> is eol-comment\nvar y = 37;\n", |
| 144 | "var x = 42; --> is eol-comment\nvar y = 37;\n", |
| 145 | "var x = 42; /* precomment\n */ --> is eol-comment\nvar y = 37;\n", |
| 146 | NULL |
| 147 | }; |
| 148 | |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 149 | // Parser/Scanner needs a stack limit. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 150 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 151 | i::GetCurrentStackPosition() - 128 * 1024); |
| 152 | uintptr_t stack_limit = CcTest::i_isolate()->stack_guard()->real_climit(); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 153 | for (int i = 0; tests[i]; i++) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 154 | const i::byte* source = |
| 155 | reinterpret_cast<const i::byte*>(tests[i]); |
| 156 | i::Utf8ToUtf16CharacterStream stream(source, i::StrLength(tests[i])); |
| 157 | i::CompleteParserRecorder log; |
| 158 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
| 159 | scanner.Initialize(&stream); |
| 160 | i::PreParser preparser(&scanner, &log, stack_limit); |
| 161 | preparser.set_allow_lazy(true); |
| 162 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 163 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 164 | CHECK(!log.HasError()); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 165 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 166 | |
| 167 | for (int i = 0; fail_tests[i]; i++) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 168 | const i::byte* source = |
| 169 | reinterpret_cast<const i::byte*>(fail_tests[i]); |
| 170 | i::Utf8ToUtf16CharacterStream stream(source, i::StrLength(fail_tests[i])); |
| 171 | i::CompleteParserRecorder log; |
| 172 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
| 173 | scanner.Initialize(&stream); |
| 174 | i::PreParser preparser(&scanner, &log, stack_limit); |
| 175 | preparser.set_allow_lazy(true); |
| 176 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 177 | // Even in the case of a syntax error, kPreParseSuccess is returned. |
| 178 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 179 | CHECK(log.HasError()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 180 | } |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 184 | class ScriptResource : public v8::String::ExternalOneByteStringResource { |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 185 | public: |
| 186 | ScriptResource(const char* data, size_t length) |
| 187 | : data_(data), length_(length) { } |
| 188 | |
| 189 | const char* data() const { return data_; } |
| 190 | size_t length() const { return length_; } |
| 191 | |
| 192 | private: |
| 193 | const char* data_; |
| 194 | size_t length_; |
| 195 | }; |
| 196 | |
| 197 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 198 | TEST(UsingCachedData) { |
| 199 | v8::Isolate* isolate = CcTest::isolate(); |
| 200 | v8::HandleScope handles(isolate); |
| 201 | v8::Local<v8::Context> context = v8::Context::New(isolate); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 202 | v8::Context::Scope context_scope(context); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 203 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 204 | i::GetCurrentStackPosition() - 128 * 1024); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 205 | |
| 206 | // Source containing functions that might be lazily compiled and all types |
| 207 | // of symbols (string, propertyName, regexp). |
| 208 | const char* source = |
| 209 | "var x = 42;" |
| 210 | "function foo(a) { return function nolazy(b) { return a + b; } }" |
| 211 | "function bar(a) { if (a) return function lazy(b) { return b; } }" |
| 212 | "var z = {'string': 'string literal', bareword: 'propertyName', " |
| 213 | " 42: 'number literal', for: 'keyword as propertyName', " |
| 214 | " f\\u006fr: 'keyword propertyname with escape'};" |
| 215 | "var v = /RegExp Literal/;" |
| 216 | "var w = /RegExp Literal\\u0020With Escape/gin;" |
| 217 | "var y = { get getter() { return 42; }, " |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 218 | " set setter(v) { this.value = v; }};" |
| 219 | "var f = a => function (b) { return a + b; };" |
| 220 | "var g = a => b => a + b;"; |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 221 | int source_length = i::StrLength(source); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 222 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 223 | // ScriptResource will be deleted when the corresponding String is GCd. |
| 224 | v8::ScriptCompiler::Source script_source(v8::String::NewExternal( |
| 225 | isolate, new ScriptResource(source, source_length))); |
| 226 | i::FLAG_harmony_arrow_functions = true; |
| 227 | i::FLAG_min_preparse_length = 0; |
| 228 | v8::ScriptCompiler::Compile(isolate, &script_source, |
| 229 | v8::ScriptCompiler::kProduceParserCache); |
| 230 | CHECK(script_source.GetCachedData()); |
| 231 | |
| 232 | // Compile the script again, using the cached data. |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 233 | bool lazy_flag = i::FLAG_lazy; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 234 | i::FLAG_lazy = true; |
| 235 | v8::ScriptCompiler::Compile(isolate, &script_source, |
| 236 | v8::ScriptCompiler::kConsumeParserCache); |
| 237 | i::FLAG_lazy = false; |
| 238 | v8::ScriptCompiler::CompileUnbound(isolate, &script_source, |
| 239 | v8::ScriptCompiler::kConsumeParserCache); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 240 | i::FLAG_lazy = lazy_flag; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 241 | } |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 242 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 243 | |
| 244 | TEST(PreparseFunctionDataIsUsed) { |
| 245 | // This tests that we actually do use the function data generated by the |
| 246 | // preparser. |
| 247 | |
| 248 | // Make preparsing work for short scripts. |
| 249 | i::FLAG_min_preparse_length = 0; |
| 250 | i::FLAG_harmony_arrow_functions = true; |
| 251 | |
| 252 | v8::Isolate* isolate = CcTest::isolate(); |
| 253 | v8::HandleScope handles(isolate); |
| 254 | v8::Local<v8::Context> context = v8::Context::New(isolate); |
| 255 | v8::Context::Scope context_scope(context); |
| 256 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 257 | i::GetCurrentStackPosition() - 128 * 1024); |
| 258 | |
| 259 | const char* good_code[] = { |
| 260 | "function this_is_lazy() { var a; } function foo() { return 25; } foo();", |
| 261 | "var this_is_lazy = () => { var a; }; var foo = () => 25; foo();", |
| 262 | }; |
| 263 | |
| 264 | // Insert a syntax error inside the lazy function. |
| 265 | const char* bad_code[] = { |
| 266 | "function this_is_lazy() { if ( } function foo() { return 25; } foo();", |
| 267 | "var this_is_lazy = () => { if ( }; var foo = () => 25; foo();", |
| 268 | }; |
| 269 | |
| 270 | for (unsigned i = 0; i < arraysize(good_code); i++) { |
| 271 | v8::ScriptCompiler::Source good_source(v8_str(good_code[i])); |
| 272 | v8::ScriptCompiler::Compile(isolate, &good_source, |
| 273 | v8::ScriptCompiler::kProduceDataToCache); |
| 274 | |
| 275 | const v8::ScriptCompiler::CachedData* cached_data = |
| 276 | good_source.GetCachedData(); |
| 277 | CHECK(cached_data->data != NULL); |
| 278 | CHECK_GT(cached_data->length, 0); |
| 279 | |
| 280 | // Now compile the erroneous code with the good preparse data. If the |
| 281 | // preparse data is used, the lazy function is skipped and it should |
| 282 | // compile fine. |
| 283 | v8::ScriptCompiler::Source bad_source( |
| 284 | v8_str(bad_code[i]), new v8::ScriptCompiler::CachedData( |
| 285 | cached_data->data, cached_data->length)); |
| 286 | v8::Local<v8::Value> result = |
| 287 | v8::ScriptCompiler::Compile(isolate, &bad_source)->Run(); |
| 288 | CHECK(result->IsInt32()); |
| 289 | CHECK_EQ(25, result->Int32Value()); |
| 290 | } |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 291 | } |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 292 | |
| 293 | |
| 294 | TEST(StandAlonePreParser) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 295 | v8::V8::Initialize(); |
| 296 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 297 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 298 | i::GetCurrentStackPosition() - 128 * 1024); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 299 | |
| 300 | const char* programs[] = { |
| 301 | "{label: 42}", |
| 302 | "var x = 42;", |
| 303 | "function foo(x, y) { return x + y; }", |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 304 | "%ArgleBargle(glop);", |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 305 | "var x = new new Function('this.x = 42');", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 306 | "var f = (x, y) => x + y;", |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 307 | NULL |
| 308 | }; |
| 309 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 310 | uintptr_t stack_limit = CcTest::i_isolate()->stack_guard()->real_climit(); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 311 | for (int i = 0; programs[i]; i++) { |
| 312 | const char* program = programs[i]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 313 | i::Utf8ToUtf16CharacterStream stream( |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 314 | reinterpret_cast<const i::byte*>(program), |
| 315 | static_cast<unsigned>(strlen(program))); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 316 | i::CompleteParserRecorder log; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 317 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 318 | scanner.Initialize(&stream); |
| 319 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 320 | i::PreParser preparser(&scanner, &log, stack_limit); |
| 321 | preparser.set_allow_lazy(true); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 322 | preparser.set_allow_natives(true); |
| 323 | preparser.set_allow_harmony_arrow_functions(true); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 324 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 325 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 326 | CHECK(!log.HasError()); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 327 | } |
| 328 | } |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 329 | |
| 330 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 331 | TEST(StandAlonePreParserNoNatives) { |
| 332 | v8::V8::Initialize(); |
| 333 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 334 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 335 | i::GetCurrentStackPosition() - 128 * 1024); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 336 | |
| 337 | const char* programs[] = { |
| 338 | "%ArgleBargle(glop);", |
| 339 | "var x = %_IsSmi(42);", |
| 340 | NULL |
| 341 | }; |
| 342 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 343 | uintptr_t stack_limit = CcTest::i_isolate()->stack_guard()->real_climit(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 344 | for (int i = 0; programs[i]; i++) { |
| 345 | const char* program = programs[i]; |
| 346 | i::Utf8ToUtf16CharacterStream stream( |
| 347 | reinterpret_cast<const i::byte*>(program), |
| 348 | static_cast<unsigned>(strlen(program))); |
| 349 | i::CompleteParserRecorder log; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 350 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 351 | scanner.Initialize(&stream); |
| 352 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 353 | // Preparser defaults to disallowing natives syntax. |
| 354 | i::PreParser preparser(&scanner, &log, stack_limit); |
| 355 | preparser.set_allow_lazy(true); |
| 356 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 357 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 358 | CHECK(log.HasError()); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | |
| 363 | TEST(PreparsingObjectLiterals) { |
| 364 | // Regression test for a bug where the symbol stream produced by PreParser |
| 365 | // didn't match what Parser wanted to consume. |
| 366 | v8::Isolate* isolate = CcTest::isolate(); |
| 367 | v8::HandleScope handles(isolate); |
| 368 | v8::Local<v8::Context> context = v8::Context::New(isolate); |
| 369 | v8::Context::Scope context_scope(context); |
| 370 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 371 | i::GetCurrentStackPosition() - 128 * 1024); |
| 372 | |
| 373 | { |
| 374 | const char* source = "var myo = {if: \"foo\"}; myo.if;"; |
| 375 | v8::Local<v8::Value> result = ParserCacheCompileRun(source); |
| 376 | CHECK(result->IsString()); |
| 377 | v8::String::Utf8Value utf8(result); |
| 378 | CHECK_EQ("foo", *utf8); |
| 379 | } |
| 380 | |
| 381 | { |
| 382 | const char* source = "var myo = {\"bar\": \"foo\"}; myo[\"bar\"];"; |
| 383 | v8::Local<v8::Value> result = ParserCacheCompileRun(source); |
| 384 | CHECK(result->IsString()); |
| 385 | v8::String::Utf8Value utf8(result); |
| 386 | CHECK_EQ("foo", *utf8); |
| 387 | } |
| 388 | |
| 389 | { |
| 390 | const char* source = "var myo = {1: \"foo\"}; myo[1];"; |
| 391 | v8::Local<v8::Value> result = ParserCacheCompileRun(source); |
| 392 | CHECK(result->IsString()); |
| 393 | v8::String::Utf8Value utf8(result); |
| 394 | CHECK_EQ("foo", *utf8); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 395 | } |
| 396 | } |
| 397 | |
| 398 | |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 399 | TEST(RegressChromium62639) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 400 | v8::V8::Initialize(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 401 | i::Isolate* isolate = CcTest::i_isolate(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 402 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 403 | isolate->stack_guard()->SetStackLimit(i::GetCurrentStackPosition() - |
| 404 | 128 * 1024); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 405 | |
| 406 | const char* program = "var x = 'something';\n" |
| 407 | "escape: function() {}"; |
| 408 | // Fails parsing expecting an identifier after "function". |
| 409 | // Before fix, didn't check *ok after Expect(Token::Identifier, ok), |
| 410 | // and then used the invalid currently scanned literal. This always |
| 411 | // failed in debug mode, and sometimes crashed in release mode. |
| 412 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 413 | i::Utf8ToUtf16CharacterStream stream( |
| 414 | reinterpret_cast<const i::byte*>(program), |
| 415 | static_cast<unsigned>(strlen(program))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 416 | i::CompleteParserRecorder log; |
| 417 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
| 418 | scanner.Initialize(&stream); |
| 419 | i::PreParser preparser(&scanner, &log, |
| 420 | CcTest::i_isolate()->stack_guard()->real_climit()); |
| 421 | preparser.set_allow_lazy(true); |
| 422 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 423 | // Even in the case of a syntax error, kPreParseSuccess is returned. |
| 424 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 425 | CHECK(log.HasError()); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | |
| 429 | TEST(Regress928) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 430 | v8::V8::Initialize(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 431 | i::Isolate* isolate = CcTest::i_isolate(); |
| 432 | i::Factory* factory = isolate->factory(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 433 | |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 434 | // Preparsing didn't consider the catch clause of a try statement |
| 435 | // as with-content, which made it assume that a function inside |
| 436 | // the block could be lazily compiled, and an extra, unexpected, |
| 437 | // entry was added to the data. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 438 | isolate->stack_guard()->SetStackLimit(i::GetCurrentStackPosition() - |
| 439 | 128 * 1024); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 440 | |
| 441 | const char* program = |
| 442 | "try { } catch (e) { var foo = function () { /* first */ } }" |
| 443 | "var bar = function () { /* second */ }"; |
| 444 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 445 | v8::HandleScope handles(CcTest::isolate()); |
| 446 | i::Handle<i::String> source = factory->NewStringFromAsciiChecked(program); |
| 447 | i::GenericStringUtf16CharacterStream stream(source, 0, source->length()); |
| 448 | i::CompleteParserRecorder log; |
| 449 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
| 450 | scanner.Initialize(&stream); |
| 451 | i::PreParser preparser(&scanner, &log, |
| 452 | CcTest::i_isolate()->stack_guard()->real_climit()); |
| 453 | preparser.set_allow_lazy(true); |
| 454 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 455 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 456 | i::ScriptData* sd = log.GetScriptData(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 457 | i::ParseData* pd = i::ParseData::FromCachedData(sd); |
| 458 | pd->Initialize(); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 459 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 460 | int first_function = |
| 461 | static_cast<int>(strstr(program, "function") - program); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 462 | int first_lbrace = first_function + i::StrLength("function () "); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 463 | CHECK_EQ('{', program[first_lbrace]); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 464 | i::FunctionEntry entry1 = pd->GetFunctionEntry(first_lbrace); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 465 | CHECK(!entry1.is_valid()); |
| 466 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 467 | int second_function = |
| 468 | static_cast<int>(strstr(program + first_lbrace, "function") - program); |
| 469 | int second_lbrace = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 470 | second_function + i::StrLength("function () "); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 471 | CHECK_EQ('{', program[second_lbrace]); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 472 | i::FunctionEntry entry2 = pd->GetFunctionEntry(second_lbrace); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 473 | CHECK(entry2.is_valid()); |
| 474 | CHECK_EQ('}', program[entry2.end_pos() - 1]); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 475 | delete sd; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 476 | delete pd; |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 477 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 478 | |
| 479 | |
| 480 | TEST(PreParseOverflow) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 481 | v8::V8::Initialize(); |
| 482 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 483 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 484 | i::GetCurrentStackPosition() - 128 * 1024); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 485 | |
| 486 | size_t kProgramSize = 1024 * 1024; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 487 | i::SmartArrayPointer<char> program(i::NewArray<char>(kProgramSize + 1)); |
| 488 | memset(program.get(), '(', kProgramSize); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 489 | program[kProgramSize] = '\0'; |
| 490 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 491 | uintptr_t stack_limit = CcTest::i_isolate()->stack_guard()->real_climit(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 492 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 493 | i::Utf8ToUtf16CharacterStream stream( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 494 | reinterpret_cast<const i::byte*>(program.get()), |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 495 | static_cast<unsigned>(kProgramSize)); |
| 496 | i::CompleteParserRecorder log; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 497 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 498 | scanner.Initialize(&stream); |
| 499 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 500 | i::PreParser preparser(&scanner, &log, stack_limit); |
| 501 | preparser.set_allow_lazy(true); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 502 | preparser.set_allow_harmony_arrow_functions(true); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 503 | i::PreParser::PreParseResult result = preparser.PreParseProgram(); |
| 504 | CHECK_EQ(i::PreParser::kPreParseStackOverflow, result); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | |
| 508 | class TestExternalResource: public v8::String::ExternalStringResource { |
| 509 | public: |
| 510 | explicit TestExternalResource(uint16_t* data, int length) |
| 511 | : data_(data), length_(static_cast<size_t>(length)) { } |
| 512 | |
| 513 | ~TestExternalResource() { } |
| 514 | |
| 515 | const uint16_t* data() const { |
| 516 | return data_; |
| 517 | } |
| 518 | |
| 519 | size_t length() const { |
| 520 | return length_; |
| 521 | } |
| 522 | private: |
| 523 | uint16_t* data_; |
| 524 | size_t length_; |
| 525 | }; |
| 526 | |
| 527 | |
| 528 | #define CHECK_EQU(v1, v2) CHECK_EQ(static_cast<int>(v1), static_cast<int>(v2)) |
| 529 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 530 | void TestCharacterStream(const char* one_byte_source, unsigned length, |
| 531 | unsigned start = 0, unsigned end = 0) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 532 | if (end == 0) end = length; |
| 533 | unsigned sub_length = end - start; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 534 | i::Isolate* isolate = CcTest::i_isolate(); |
| 535 | i::Factory* factory = isolate->factory(); |
| 536 | i::HandleScope test_scope(isolate); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 537 | i::SmartArrayPointer<i::uc16> uc16_buffer(new i::uc16[length]); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 538 | for (unsigned i = 0; i < length; i++) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 539 | uc16_buffer[i] = static_cast<i::uc16>(one_byte_source[i]); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 540 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 541 | i::Vector<const char> one_byte_vector(one_byte_source, |
| 542 | static_cast<int>(length)); |
| 543 | i::Handle<i::String> one_byte_string = |
| 544 | factory->NewStringFromAscii(one_byte_vector).ToHandleChecked(); |
| 545 | TestExternalResource resource(uc16_buffer.get(), length); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 546 | i::Handle<i::String> uc16_string( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 547 | factory->NewExternalStringFromTwoByte(&resource).ToHandleChecked()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 548 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 549 | i::ExternalTwoByteStringUtf16CharacterStream uc16_stream( |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 550 | i::Handle<i::ExternalTwoByteString>::cast(uc16_string), start, end); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 551 | i::GenericStringUtf16CharacterStream string_stream(one_byte_string, start, |
| 552 | end); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 553 | i::Utf8ToUtf16CharacterStream utf8_stream( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 554 | reinterpret_cast<const i::byte*>(one_byte_source), end); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 555 | utf8_stream.SeekForward(start); |
| 556 | |
| 557 | unsigned i = start; |
| 558 | while (i < end) { |
| 559 | // Read streams one char at a time |
| 560 | CHECK_EQU(i, uc16_stream.pos()); |
| 561 | CHECK_EQU(i, string_stream.pos()); |
| 562 | CHECK_EQU(i, utf8_stream.pos()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 563 | int32_t c0 = one_byte_source[i]; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 564 | int32_t c1 = uc16_stream.Advance(); |
| 565 | int32_t c2 = string_stream.Advance(); |
| 566 | int32_t c3 = utf8_stream.Advance(); |
| 567 | i++; |
| 568 | CHECK_EQ(c0, c1); |
| 569 | CHECK_EQ(c0, c2); |
| 570 | CHECK_EQ(c0, c3); |
| 571 | CHECK_EQU(i, uc16_stream.pos()); |
| 572 | CHECK_EQU(i, string_stream.pos()); |
| 573 | CHECK_EQU(i, utf8_stream.pos()); |
| 574 | } |
| 575 | while (i > start + sub_length / 4) { |
| 576 | // Pushback, re-read, pushback again. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 577 | int32_t c0 = one_byte_source[i - 1]; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 578 | CHECK_EQU(i, uc16_stream.pos()); |
| 579 | CHECK_EQU(i, string_stream.pos()); |
| 580 | CHECK_EQU(i, utf8_stream.pos()); |
| 581 | uc16_stream.PushBack(c0); |
| 582 | string_stream.PushBack(c0); |
| 583 | utf8_stream.PushBack(c0); |
| 584 | i--; |
| 585 | CHECK_EQU(i, uc16_stream.pos()); |
| 586 | CHECK_EQU(i, string_stream.pos()); |
| 587 | CHECK_EQU(i, utf8_stream.pos()); |
| 588 | int32_t c1 = uc16_stream.Advance(); |
| 589 | int32_t c2 = string_stream.Advance(); |
| 590 | int32_t c3 = utf8_stream.Advance(); |
| 591 | i++; |
| 592 | CHECK_EQU(i, uc16_stream.pos()); |
| 593 | CHECK_EQU(i, string_stream.pos()); |
| 594 | CHECK_EQU(i, utf8_stream.pos()); |
| 595 | CHECK_EQ(c0, c1); |
| 596 | CHECK_EQ(c0, c2); |
| 597 | CHECK_EQ(c0, c3); |
| 598 | uc16_stream.PushBack(c0); |
| 599 | string_stream.PushBack(c0); |
| 600 | utf8_stream.PushBack(c0); |
| 601 | i--; |
| 602 | CHECK_EQU(i, uc16_stream.pos()); |
| 603 | CHECK_EQU(i, string_stream.pos()); |
| 604 | CHECK_EQU(i, utf8_stream.pos()); |
| 605 | } |
| 606 | unsigned halfway = start + sub_length / 2; |
| 607 | uc16_stream.SeekForward(halfway - i); |
| 608 | string_stream.SeekForward(halfway - i); |
| 609 | utf8_stream.SeekForward(halfway - i); |
| 610 | i = halfway; |
| 611 | CHECK_EQU(i, uc16_stream.pos()); |
| 612 | CHECK_EQU(i, string_stream.pos()); |
| 613 | CHECK_EQU(i, utf8_stream.pos()); |
| 614 | |
| 615 | while (i < end) { |
| 616 | // Read streams one char at a time |
| 617 | CHECK_EQU(i, uc16_stream.pos()); |
| 618 | CHECK_EQU(i, string_stream.pos()); |
| 619 | CHECK_EQU(i, utf8_stream.pos()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 620 | int32_t c0 = one_byte_source[i]; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 621 | int32_t c1 = uc16_stream.Advance(); |
| 622 | int32_t c2 = string_stream.Advance(); |
| 623 | int32_t c3 = utf8_stream.Advance(); |
| 624 | i++; |
| 625 | CHECK_EQ(c0, c1); |
| 626 | CHECK_EQ(c0, c2); |
| 627 | CHECK_EQ(c0, c3); |
| 628 | CHECK_EQU(i, uc16_stream.pos()); |
| 629 | CHECK_EQU(i, string_stream.pos()); |
| 630 | CHECK_EQU(i, utf8_stream.pos()); |
| 631 | } |
| 632 | |
| 633 | int32_t c1 = uc16_stream.Advance(); |
| 634 | int32_t c2 = string_stream.Advance(); |
| 635 | int32_t c3 = utf8_stream.Advance(); |
| 636 | CHECK_LT(c1, 0); |
| 637 | CHECK_LT(c2, 0); |
| 638 | CHECK_LT(c3, 0); |
| 639 | } |
| 640 | |
| 641 | |
| 642 | TEST(CharacterStreams) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 643 | v8::Isolate* isolate = CcTest::isolate(); |
| 644 | v8::HandleScope handles(isolate); |
| 645 | v8::Local<v8::Context> context = v8::Context::New(isolate); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 646 | v8::Context::Scope context_scope(context); |
| 647 | |
| 648 | TestCharacterStream("abc\0\n\r\x7f", 7); |
| 649 | static const unsigned kBigStringSize = 4096; |
| 650 | char buffer[kBigStringSize + 1]; |
| 651 | for (unsigned i = 0; i < kBigStringSize; i++) { |
| 652 | buffer[i] = static_cast<char>(i & 0x7f); |
| 653 | } |
| 654 | TestCharacterStream(buffer, kBigStringSize); |
| 655 | |
| 656 | TestCharacterStream(buffer, kBigStringSize, 576, 3298); |
| 657 | |
| 658 | TestCharacterStream("\0", 1); |
| 659 | TestCharacterStream("", 0); |
| 660 | } |
| 661 | |
| 662 | |
| 663 | TEST(Utf8CharacterStream) { |
| 664 | static const unsigned kMaxUC16CharU = unibrow::Utf8::kMaxThreeByteChar; |
| 665 | static const int kMaxUC16Char = static_cast<int>(kMaxUC16CharU); |
| 666 | |
| 667 | static const int kAllUtf8CharsSize = |
| 668 | (unibrow::Utf8::kMaxOneByteChar + 1) + |
| 669 | (unibrow::Utf8::kMaxTwoByteChar - unibrow::Utf8::kMaxOneByteChar) * 2 + |
| 670 | (unibrow::Utf8::kMaxThreeByteChar - unibrow::Utf8::kMaxTwoByteChar) * 3; |
| 671 | static const unsigned kAllUtf8CharsSizeU = |
| 672 | static_cast<unsigned>(kAllUtf8CharsSize); |
| 673 | |
| 674 | char buffer[kAllUtf8CharsSizeU]; |
| 675 | unsigned cursor = 0; |
| 676 | for (int i = 0; i <= kMaxUC16Char; i++) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 677 | cursor += unibrow::Utf8::Encode(buffer + cursor, |
| 678 | i, |
| 679 | unibrow::Utf16::kNoPreviousCharacter); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 680 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 681 | DCHECK(cursor == kAllUtf8CharsSizeU); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 682 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 683 | i::Utf8ToUtf16CharacterStream stream(reinterpret_cast<const i::byte*>(buffer), |
| 684 | kAllUtf8CharsSizeU); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 685 | for (int i = 0; i <= kMaxUC16Char; i++) { |
| 686 | CHECK_EQU(i, stream.pos()); |
| 687 | int32_t c = stream.Advance(); |
| 688 | CHECK_EQ(i, c); |
| 689 | CHECK_EQU(i + 1, stream.pos()); |
| 690 | } |
| 691 | for (int i = kMaxUC16Char; i >= 0; i--) { |
| 692 | CHECK_EQU(i + 1, stream.pos()); |
| 693 | stream.PushBack(i); |
| 694 | CHECK_EQU(i, stream.pos()); |
| 695 | } |
| 696 | int i = 0; |
| 697 | while (stream.pos() < kMaxUC16CharU) { |
| 698 | CHECK_EQU(i, stream.pos()); |
| 699 | unsigned progress = stream.SeekForward(12); |
| 700 | i += progress; |
| 701 | int32_t c = stream.Advance(); |
| 702 | if (i <= kMaxUC16Char) { |
| 703 | CHECK_EQ(i, c); |
| 704 | } else { |
| 705 | CHECK_EQ(-1, c); |
| 706 | } |
| 707 | i += 1; |
| 708 | CHECK_EQU(i, stream.pos()); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | #undef CHECK_EQU |
| 713 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 714 | void TestStreamScanner(i::Utf16CharacterStream* stream, |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 715 | i::Token::Value* expected_tokens, |
| 716 | int skip_pos = 0, // Zero means not skipping. |
| 717 | int skip_to = 0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 718 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
Steve Block | 9fac840 | 2011-05-12 15:51:54 +0100 | [diff] [blame] | 719 | scanner.Initialize(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 720 | |
| 721 | int i = 0; |
| 722 | do { |
| 723 | i::Token::Value expected = expected_tokens[i]; |
| 724 | i::Token::Value actual = scanner.Next(); |
| 725 | CHECK_EQ(i::Token::String(expected), i::Token::String(actual)); |
| 726 | if (scanner.location().end_pos == skip_pos) { |
| 727 | scanner.SeekForward(skip_to); |
| 728 | } |
| 729 | i++; |
| 730 | } while (expected_tokens[i] != i::Token::ILLEGAL); |
| 731 | } |
| 732 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 733 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 734 | TEST(StreamScanner) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 735 | v8::V8::Initialize(); |
| 736 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 737 | const char* str1 = "{ foo get for : */ <- \n\n /*foo*/ bib"; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 738 | i::Utf8ToUtf16CharacterStream stream1(reinterpret_cast<const i::byte*>(str1), |
| 739 | static_cast<unsigned>(strlen(str1))); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 740 | i::Token::Value expectations1[] = { |
| 741 | i::Token::LBRACE, |
| 742 | i::Token::IDENTIFIER, |
| 743 | i::Token::IDENTIFIER, |
| 744 | i::Token::FOR, |
| 745 | i::Token::COLON, |
| 746 | i::Token::MUL, |
| 747 | i::Token::DIV, |
| 748 | i::Token::LT, |
| 749 | i::Token::SUB, |
| 750 | i::Token::IDENTIFIER, |
| 751 | i::Token::EOS, |
| 752 | i::Token::ILLEGAL |
| 753 | }; |
| 754 | TestStreamScanner(&stream1, expectations1, 0, 0); |
| 755 | |
| 756 | const char* str2 = "case default const {THIS\nPART\nSKIPPED} do"; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 757 | i::Utf8ToUtf16CharacterStream stream2(reinterpret_cast<const i::byte*>(str2), |
| 758 | static_cast<unsigned>(strlen(str2))); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 759 | i::Token::Value expectations2[] = { |
| 760 | i::Token::CASE, |
| 761 | i::Token::DEFAULT, |
| 762 | i::Token::CONST, |
| 763 | i::Token::LBRACE, |
| 764 | // Skipped part here |
| 765 | i::Token::RBRACE, |
| 766 | i::Token::DO, |
| 767 | i::Token::EOS, |
| 768 | i::Token::ILLEGAL |
| 769 | }; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 770 | DCHECK_EQ('{', str2[19]); |
| 771 | DCHECK_EQ('}', str2[37]); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 772 | TestStreamScanner(&stream2, expectations2, 20, 37); |
| 773 | |
| 774 | const char* str3 = "{}}}}"; |
| 775 | i::Token::Value expectations3[] = { |
| 776 | i::Token::LBRACE, |
| 777 | i::Token::RBRACE, |
| 778 | i::Token::RBRACE, |
| 779 | i::Token::RBRACE, |
| 780 | i::Token::RBRACE, |
| 781 | i::Token::EOS, |
| 782 | i::Token::ILLEGAL |
| 783 | }; |
| 784 | // Skip zero-four RBRACEs. |
| 785 | for (int i = 0; i <= 4; i++) { |
| 786 | expectations3[6 - i] = i::Token::ILLEGAL; |
| 787 | expectations3[5 - i] = i::Token::EOS; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 788 | i::Utf8ToUtf16CharacterStream stream3( |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 789 | reinterpret_cast<const i::byte*>(str3), |
| 790 | static_cast<unsigned>(strlen(str3))); |
| 791 | TestStreamScanner(&stream3, expectations3, 1, 1 + i); |
| 792 | } |
| 793 | } |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 794 | |
| 795 | |
| 796 | void TestScanRegExp(const char* re_source, const char* expected) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 797 | i::Utf8ToUtf16CharacterStream stream( |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 798 | reinterpret_cast<const i::byte*>(re_source), |
| 799 | static_cast<unsigned>(strlen(re_source))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 800 | i::HandleScope scope(CcTest::i_isolate()); |
| 801 | i::Scanner scanner(CcTest::i_isolate()->unicode_cache()); |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 802 | scanner.Initialize(&stream); |
| 803 | |
| 804 | i::Token::Value start = scanner.peek(); |
| 805 | CHECK(start == i::Token::DIV || start == i::Token::ASSIGN_DIV); |
| 806 | CHECK(scanner.ScanRegExpPattern(start == i::Token::ASSIGN_DIV)); |
| 807 | scanner.Next(); // Current token is now the regexp literal. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 808 | i::Zone zone(CcTest::i_isolate()); |
| 809 | i::AstValueFactory ast_value_factory(&zone, |
| 810 | CcTest::i_isolate()->heap()->HashSeed()); |
| 811 | ast_value_factory.Internalize(CcTest::i_isolate()); |
| 812 | i::Handle<i::String> val = |
| 813 | scanner.CurrentSymbol(&ast_value_factory)->string(); |
| 814 | i::DisallowHeapAllocation no_alloc; |
| 815 | i::String::FlatContent content = val->GetFlatContent(); |
| 816 | CHECK(content.IsOneByte()); |
| 817 | i::Vector<const uint8_t> actual = content.ToOneByteVector(); |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 818 | for (int i = 0; i < actual.length(); i++) { |
| 819 | CHECK_NE('\0', expected[i]); |
| 820 | CHECK_EQ(expected[i], actual[i]); |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | |
| 825 | TEST(RegExpScanning) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 826 | v8::V8::Initialize(); |
| 827 | |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 828 | // RegExp token with added garbage at the end. The scanner should only |
| 829 | // scan the RegExp until the terminating slash just before "flipperwald". |
| 830 | TestScanRegExp("/b/flipperwald", "b"); |
| 831 | // Incomplete escape sequences doesn't hide the terminating slash. |
| 832 | TestScanRegExp("/\\x/flipperwald", "\\x"); |
| 833 | TestScanRegExp("/\\u/flipperwald", "\\u"); |
| 834 | TestScanRegExp("/\\u1/flipperwald", "\\u1"); |
| 835 | TestScanRegExp("/\\u12/flipperwald", "\\u12"); |
| 836 | TestScanRegExp("/\\u123/flipperwald", "\\u123"); |
| 837 | TestScanRegExp("/\\c/flipperwald", "\\c"); |
| 838 | TestScanRegExp("/\\c//flipperwald", "\\c"); |
| 839 | // Slashes inside character classes are not terminating. |
| 840 | TestScanRegExp("/[/]/flipperwald", "[/]"); |
| 841 | TestScanRegExp("/[\\s-/]/flipperwald", "[\\s-/]"); |
| 842 | // Incomplete escape sequences inside a character class doesn't hide |
| 843 | // the end of the character class. |
| 844 | TestScanRegExp("/[\\c/]/flipperwald", "[\\c/]"); |
| 845 | TestScanRegExp("/[\\c]/flipperwald", "[\\c]"); |
| 846 | TestScanRegExp("/[\\x]/flipperwald", "[\\x]"); |
| 847 | TestScanRegExp("/[\\x1]/flipperwald", "[\\x1]"); |
| 848 | TestScanRegExp("/[\\u]/flipperwald", "[\\u]"); |
| 849 | TestScanRegExp("/[\\u1]/flipperwald", "[\\u1]"); |
| 850 | TestScanRegExp("/[\\u12]/flipperwald", "[\\u12]"); |
| 851 | TestScanRegExp("/[\\u123]/flipperwald", "[\\u123]"); |
| 852 | // Escaped ']'s wont end the character class. |
| 853 | TestScanRegExp("/[\\]/]/flipperwald", "[\\]/]"); |
| 854 | // Escaped slashes are not terminating. |
| 855 | TestScanRegExp("/\\//flipperwald", "\\/"); |
| 856 | // Starting with '=' works too. |
| 857 | TestScanRegExp("/=/", "="); |
| 858 | TestScanRegExp("/=?/", "=?"); |
| 859 | } |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 860 | |
| 861 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 862 | static int Utf8LengthHelper(const char* s) { |
| 863 | int len = i::StrLength(s); |
| 864 | int character_length = len; |
| 865 | for (int i = 0; i < len; i++) { |
| 866 | unsigned char c = s[i]; |
| 867 | int input_offset = 0; |
| 868 | int output_adjust = 0; |
| 869 | if (c > 0x7f) { |
| 870 | if (c < 0xc0) continue; |
| 871 | if (c >= 0xf0) { |
| 872 | if (c >= 0xf8) { |
| 873 | // 5 and 6 byte UTF-8 sequences turn into a kBadChar for each UTF-8 |
| 874 | // byte. |
| 875 | continue; // Handle first UTF-8 byte. |
| 876 | } |
| 877 | if ((c & 7) == 0 && ((s[i + 1] & 0x30) == 0)) { |
| 878 | // This 4 byte sequence could have been coded as a 3 byte sequence. |
| 879 | // Record a single kBadChar for the first byte and continue. |
| 880 | continue; |
| 881 | } |
| 882 | input_offset = 3; |
| 883 | // 4 bytes of UTF-8 turn into 2 UTF-16 code units. |
| 884 | character_length -= 2; |
| 885 | } else if (c >= 0xe0) { |
| 886 | if ((c & 0xf) == 0 && ((s[i + 1] & 0x20) == 0)) { |
| 887 | // This 3 byte sequence could have been coded as a 2 byte sequence. |
| 888 | // Record a single kBadChar for the first byte and continue. |
| 889 | continue; |
| 890 | } |
| 891 | input_offset = 2; |
| 892 | // 3 bytes of UTF-8 turn into 1 UTF-16 code unit. |
| 893 | output_adjust = 2; |
| 894 | } else { |
| 895 | if ((c & 0x1e) == 0) { |
| 896 | // This 2 byte sequence could have been coded as a 1 byte sequence. |
| 897 | // Record a single kBadChar for the first byte and continue. |
| 898 | continue; |
| 899 | } |
| 900 | input_offset = 1; |
| 901 | // 2 bytes of UTF-8 turn into 1 UTF-16 code unit. |
| 902 | output_adjust = 1; |
| 903 | } |
| 904 | bool bad = false; |
| 905 | for (int j = 1; j <= input_offset; j++) { |
| 906 | if ((s[i + j] & 0xc0) != 0x80) { |
| 907 | // Bad UTF-8 sequence turns the first in the sequence into kBadChar, |
| 908 | // which is a single UTF-16 code unit. |
| 909 | bad = true; |
| 910 | break; |
| 911 | } |
| 912 | } |
| 913 | if (!bad) { |
| 914 | i += input_offset; |
| 915 | character_length -= output_adjust; |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | return character_length; |
| 920 | } |
| 921 | |
| 922 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 923 | TEST(ScopeUsesArgumentsSuperThis) { |
| 924 | static const struct { |
| 925 | const char* prefix; |
| 926 | const char* suffix; |
| 927 | } surroundings[] = { |
| 928 | { "function f() {", "}" }, |
| 929 | { "var f = () => {", "}" }, |
| 930 | }; |
| 931 | |
| 932 | enum Expected { |
| 933 | NONE = 0, |
| 934 | ARGUMENTS = 1, |
| 935 | SUPER_PROPERTY = 2, |
| 936 | SUPER_CONSTRUCTOR_CALL = 4, |
| 937 | THIS = 8, |
| 938 | INNER_ARGUMENTS = 16, |
| 939 | INNER_SUPER_PROPERTY = 32, |
| 940 | INNER_SUPER_CONSTRUCTOR_CALL = 64, |
| 941 | INNER_THIS = 128 |
| 942 | }; |
| 943 | |
| 944 | static const struct { |
| 945 | const char* body; |
| 946 | int expected; |
| 947 | } source_data[] = { |
| 948 | {"", NONE}, |
| 949 | {"return this", THIS}, |
| 950 | {"return arguments", ARGUMENTS}, |
| 951 | {"return super()", SUPER_CONSTRUCTOR_CALL}, |
| 952 | {"return super.x", SUPER_PROPERTY}, |
| 953 | {"return arguments[0]", ARGUMENTS}, |
| 954 | {"return this + arguments[0]", ARGUMENTS | THIS}, |
| 955 | {"return this + arguments[0] + super.x", |
| 956 | ARGUMENTS | SUPER_PROPERTY | THIS}, |
| 957 | {"return x => this + x", INNER_THIS}, |
| 958 | {"return x => super() + x", INNER_SUPER_CONSTRUCTOR_CALL}, |
| 959 | {"this.foo = 42;", THIS}, |
| 960 | {"this.foo();", THIS}, |
| 961 | {"if (foo()) { this.f() }", THIS}, |
| 962 | {"if (foo()) { super.f() }", SUPER_PROPERTY}, |
| 963 | {"if (arguments.length) { this.f() }", ARGUMENTS | THIS}, |
| 964 | {"while (true) { this.f() }", THIS}, |
| 965 | {"while (true) { super.f() }", SUPER_PROPERTY}, |
| 966 | {"if (true) { while (true) this.foo(arguments) }", ARGUMENTS | THIS}, |
| 967 | // Multiple nesting levels must work as well. |
| 968 | {"while (true) { while (true) { while (true) return this } }", THIS}, |
| 969 | {"while (true) { while (true) { while (true) return super() } }", |
| 970 | SUPER_CONSTRUCTOR_CALL}, |
| 971 | {"if (1) { return () => { while (true) new this() } }", INNER_THIS}, |
| 972 | {"if (1) { return () => { while (true) new super() } }", NONE}, |
| 973 | {"if (1) { return () => { while (true) new new super() } }", NONE}, |
| 974 | // Note that propagation of the inner_uses_this() value does not |
| 975 | // cross boundaries of normal functions onto parent scopes. |
| 976 | {"return function (x) { return this + x }", NONE}, |
| 977 | {"return function (x) { return super() + x }", NONE}, |
| 978 | {"var x = function () { this.foo = 42 };", NONE}, |
| 979 | {"var x = function () { super.foo = 42 };", NONE}, |
| 980 | {"if (1) { return function () { while (true) new this() } }", NONE}, |
| 981 | {"if (1) { return function () { while (true) new super() } }", NONE}, |
| 982 | {"return function (x) { return () => this }", NONE}, |
| 983 | {"return function (x) { return () => super() }", NONE}, |
| 984 | // Flags must be correctly set when using block scoping. |
| 985 | {"\"use strict\"; while (true) { let x; this, arguments; }", |
| 986 | INNER_ARGUMENTS | INNER_THIS}, |
| 987 | {"\"use strict\"; while (true) { let x; this, super(), arguments; }", |
| 988 | INNER_ARGUMENTS | INNER_SUPER_CONSTRUCTOR_CALL | INNER_THIS}, |
| 989 | {"\"use strict\"; if (foo()) { let x; this.f() }", INNER_THIS}, |
| 990 | {"\"use strict\"; if (foo()) { let x; super.f() }", |
| 991 | INNER_SUPER_PROPERTY}, |
| 992 | {"\"use strict\"; if (1) {" |
| 993 | " let x; return function () { return this + super() + arguments }" |
| 994 | "}", |
| 995 | NONE}, |
| 996 | }; |
| 997 | |
| 998 | i::Isolate* isolate = CcTest::i_isolate(); |
| 999 | i::Factory* factory = isolate->factory(); |
| 1000 | |
| 1001 | v8::HandleScope handles(CcTest::isolate()); |
| 1002 | v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate()); |
| 1003 | v8::Context::Scope context_scope(context); |
| 1004 | |
| 1005 | isolate->stack_guard()->SetStackLimit(i::GetCurrentStackPosition() - |
| 1006 | 128 * 1024); |
| 1007 | |
| 1008 | for (unsigned j = 0; j < arraysize(surroundings); ++j) { |
| 1009 | for (unsigned i = 0; i < arraysize(source_data); ++i) { |
| 1010 | int kProgramByteSize = i::StrLength(surroundings[j].prefix) + |
| 1011 | i::StrLength(surroundings[j].suffix) + |
| 1012 | i::StrLength(source_data[i].body); |
| 1013 | i::ScopedVector<char> program(kProgramByteSize + 1); |
| 1014 | i::SNPrintF(program, "%s%s%s", surroundings[j].prefix, |
| 1015 | source_data[i].body, surroundings[j].suffix); |
| 1016 | i::Handle<i::String> source = |
| 1017 | factory->NewStringFromUtf8(i::CStrVector(program.start())) |
| 1018 | .ToHandleChecked(); |
| 1019 | i::Handle<i::Script> script = factory->NewScript(source); |
| 1020 | i::CompilationInfoWithZone info(script); |
| 1021 | i::Parser::ParseInfo parse_info = {isolate->stack_guard()->real_climit(), |
| 1022 | isolate->heap()->HashSeed(), |
| 1023 | isolate->unicode_cache()}; |
| 1024 | i::Parser parser(&info, &parse_info); |
| 1025 | parser.set_allow_harmony_arrow_functions(true); |
| 1026 | parser.set_allow_harmony_classes(true); |
| 1027 | parser.set_allow_harmony_scoping(true); |
| 1028 | info.MarkAsGlobal(); |
| 1029 | parser.Parse(); |
| 1030 | CHECK(i::Rewriter::Rewrite(&info)); |
| 1031 | CHECK(i::Scope::Analyze(&info)); |
| 1032 | CHECK(info.function() != NULL); |
| 1033 | |
| 1034 | i::Scope* script_scope = info.function()->scope(); |
| 1035 | CHECK(script_scope->is_script_scope()); |
| 1036 | CHECK_EQ(1, script_scope->inner_scopes()->length()); |
| 1037 | |
| 1038 | i::Scope* scope = script_scope->inner_scopes()->at(0); |
| 1039 | CHECK_EQ((source_data[i].expected & ARGUMENTS) != 0, |
| 1040 | scope->uses_arguments()); |
| 1041 | CHECK_EQ((source_data[i].expected & SUPER_PROPERTY) != 0, |
| 1042 | scope->uses_super_property()); |
| 1043 | CHECK_EQ((source_data[i].expected & SUPER_CONSTRUCTOR_CALL) != 0, |
| 1044 | scope->uses_super_constructor_call()); |
| 1045 | CHECK_EQ((source_data[i].expected & THIS) != 0, scope->uses_this()); |
| 1046 | CHECK_EQ((source_data[i].expected & INNER_ARGUMENTS) != 0, |
| 1047 | scope->inner_uses_arguments()); |
| 1048 | CHECK_EQ((source_data[i].expected & INNER_SUPER_PROPERTY) != 0, |
| 1049 | scope->inner_uses_super_property()); |
| 1050 | CHECK_EQ((source_data[i].expected & INNER_SUPER_CONSTRUCTOR_CALL) != 0, |
| 1051 | scope->inner_uses_super_constructor_call()); |
| 1052 | CHECK_EQ((source_data[i].expected & INNER_THIS) != 0, |
| 1053 | scope->inner_uses_this()); |
| 1054 | } |
| 1055 | } |
| 1056 | } |
| 1057 | |
| 1058 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1059 | TEST(ScopePositions) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1060 | v8::internal::FLAG_harmony_scoping = true; |
| 1061 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1062 | // Test the parser for correctly setting the start and end positions |
| 1063 | // of a scope. We check the scope positions of exactly one scope |
| 1064 | // nested in the global scope of a program. 'inner source' is the |
| 1065 | // source code that determines the part of the source belonging |
| 1066 | // to the nested scope. 'outer_prefix' and 'outer_suffix' are |
| 1067 | // parts of the source that belong to the global scope. |
| 1068 | struct SourceData { |
| 1069 | const char* outer_prefix; |
| 1070 | const char* inner_source; |
| 1071 | const char* outer_suffix; |
| 1072 | i::ScopeType scope_type; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1073 | i::StrictMode strict_mode; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1074 | }; |
| 1075 | |
| 1076 | const SourceData source_data[] = { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1077 | { " with ({}) ", "{ block; }", " more;", i::WITH_SCOPE, i::SLOPPY }, |
| 1078 | { " with ({}) ", "{ block; }", "; more;", i::WITH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1079 | { " with ({}) ", "{\n" |
| 1080 | " block;\n" |
| 1081 | " }", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1082 | " more;", i::WITH_SCOPE, i::SLOPPY }, |
| 1083 | { " with ({}) ", "statement;", " more;", i::WITH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1084 | { " with ({}) ", "statement", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1085 | " more;", i::WITH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1086 | { " with ({})\n" |
| 1087 | " ", "statement;", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1088 | " more;", i::WITH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1089 | { " try {} catch ", "(e) { block; }", " more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1090 | i::CATCH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1091 | { " try {} catch ", "(e) { block; }", "; more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1092 | i::CATCH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1093 | { " try {} catch ", "(e) {\n" |
| 1094 | " block;\n" |
| 1095 | " }", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1096 | " more;", i::CATCH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1097 | { " try {} catch ", "(e) { block; }", " finally { block; } more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1098 | i::CATCH_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1099 | { " start;\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1100 | " ", "{ let block; }", " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1101 | { " start;\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1102 | " ", "{ let block; }", "; more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1103 | { " start;\n" |
| 1104 | " ", "{\n" |
| 1105 | " let block;\n" |
| 1106 | " }", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1107 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1108 | { " start;\n" |
| 1109 | " function fun", "(a,b) { infunction; }", " more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1110 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1111 | { " start;\n" |
| 1112 | " function fun", "(a,b) {\n" |
| 1113 | " infunction;\n" |
| 1114 | " }", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1115 | " more;", i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1116 | { " start;\n", "(a,b) => a + b", "; more;", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1117 | i::ARROW_SCOPE, i::SLOPPY }, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1118 | { " start;\n", "(a,b) => { return a+b; }", "\nmore;", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1119 | i::ARROW_SCOPE, i::SLOPPY }, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1120 | { " start;\n" |
| 1121 | " (function fun", "(a,b) { infunction; }", ")();", |
| 1122 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1123 | { " for ", "(let x = 1 ; x < 10; ++ x) { block; }", " more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1124 | i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1125 | { " for ", "(let x = 1 ; x < 10; ++ x) { block; }", "; more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1126 | i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1127 | { " for ", "(let x = 1 ; x < 10; ++ x) {\n" |
| 1128 | " block;\n" |
| 1129 | " }", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1130 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1131 | { " for ", "(let x = 1 ; x < 10; ++ x) statement;", " more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1132 | i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1133 | { " for ", "(let x = 1 ; x < 10; ++ x) statement", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1134 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1135 | { " for ", "(let x = 1 ; x < 10; ++ x)\n" |
| 1136 | " statement;", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1137 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1138 | { " for ", "(let x in {}) { block; }", " more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1139 | i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1140 | { " for ", "(let x in {}) { block; }", "; more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1141 | i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1142 | { " for ", "(let x in {}) {\n" |
| 1143 | " block;\n" |
| 1144 | " }", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1145 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1146 | { " for ", "(let x in {}) statement;", " more;", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1147 | i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1148 | { " for ", "(let x in {}) statement", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1149 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1150 | { " for ", "(let x in {})\n" |
| 1151 | " statement;", "\n" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1152 | " more;", i::BLOCK_SCOPE, i::STRICT }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1153 | // Check that 6-byte and 4-byte encodings of UTF-8 strings do not throw |
| 1154 | // the preparser off in terms of byte offsets. |
| 1155 | // 6 byte encoding. |
| 1156 | { " 'foo\355\240\201\355\260\211';\n" |
| 1157 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1158 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1159 | // 4 byte encoding. |
| 1160 | { " 'foo\360\220\220\212';\n" |
| 1161 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1162 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1163 | // 3 byte encoding of \u0fff. |
| 1164 | { " 'foo\340\277\277';\n" |
| 1165 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1166 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1167 | // Broken 6 byte encoding with missing last byte. |
| 1168 | { " 'foo\355\240\201\355\211';\n" |
| 1169 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1170 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1171 | // Broken 3 byte encoding of \u0fff with missing last byte. |
| 1172 | { " 'foo\340\277';\n" |
| 1173 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1174 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1175 | // Broken 3 byte encoding of \u0fff with missing 2 last bytes. |
| 1176 | { " 'foo\340';\n" |
| 1177 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1178 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1179 | // Broken 3 byte encoding of \u00ff should be a 2 byte encoding. |
| 1180 | { " 'foo\340\203\277';\n" |
| 1181 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1182 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1183 | // Broken 3 byte encoding of \u007f should be a 2 byte encoding. |
| 1184 | { " 'foo\340\201\277';\n" |
| 1185 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1186 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1187 | // Unpaired lead surrogate. |
| 1188 | { " 'foo\355\240\201';\n" |
| 1189 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1190 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1191 | // Unpaired lead surrogate where following code point is a 3 byte sequence. |
| 1192 | { " 'foo\355\240\201\340\277\277';\n" |
| 1193 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1194 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1195 | // Unpaired lead surrogate where following code point is a 4 byte encoding |
| 1196 | // of a trail surrogate. |
| 1197 | { " 'foo\355\240\201\360\215\260\211';\n" |
| 1198 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1199 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1200 | // Unpaired trail surrogate. |
| 1201 | { " 'foo\355\260\211';\n" |
| 1202 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1203 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1204 | // 2 byte encoding of \u00ff. |
| 1205 | { " 'foo\303\277';\n" |
| 1206 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1207 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1208 | // Broken 2 byte encoding of \u00ff with missing last byte. |
| 1209 | { " 'foo\303';\n" |
| 1210 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1211 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1212 | // Broken 2 byte encoding of \u007f should be a 1 byte encoding. |
| 1213 | { " 'foo\301\277';\n" |
| 1214 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1215 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1216 | // Illegal 5 byte encoding. |
| 1217 | { " 'foo\370\277\277\277\277';\n" |
| 1218 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1219 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1220 | // Illegal 6 byte encoding. |
| 1221 | { " 'foo\374\277\277\277\277\277';\n" |
| 1222 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1223 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1224 | // Illegal 0xfe byte |
| 1225 | { " 'foo\376\277\277\277\277\277\277';\n" |
| 1226 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1227 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1228 | // Illegal 0xff byte |
| 1229 | { " 'foo\377\277\277\277\277\277\277\277';\n" |
| 1230 | " (function fun", "(a,b) { infunction; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1231 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1232 | { " 'foo';\n" |
| 1233 | " (function fun", "(a,b) { 'bar\355\240\201\355\260\213'; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1234 | i::FUNCTION_SCOPE, i::SLOPPY }, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1235 | { " 'foo';\n" |
| 1236 | " (function fun", "(a,b) { 'bar\360\220\220\214'; }", ")();", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1237 | i::FUNCTION_SCOPE, i::SLOPPY }, |
| 1238 | { NULL, NULL, NULL, i::EVAL_SCOPE, i::SLOPPY } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1239 | }; |
| 1240 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1241 | i::Isolate* isolate = CcTest::i_isolate(); |
| 1242 | i::Factory* factory = isolate->factory(); |
| 1243 | |
| 1244 | v8::HandleScope handles(CcTest::isolate()); |
| 1245 | v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1246 | v8::Context::Scope context_scope(context); |
| 1247 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1248 | isolate->stack_guard()->SetStackLimit(i::GetCurrentStackPosition() - |
| 1249 | 128 * 1024); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1250 | |
| 1251 | for (int i = 0; source_data[i].outer_prefix; i++) { |
| 1252 | int kPrefixLen = Utf8LengthHelper(source_data[i].outer_prefix); |
| 1253 | int kInnerLen = Utf8LengthHelper(source_data[i].inner_source); |
| 1254 | int kSuffixLen = Utf8LengthHelper(source_data[i].outer_suffix); |
| 1255 | int kPrefixByteLen = i::StrLength(source_data[i].outer_prefix); |
| 1256 | int kInnerByteLen = i::StrLength(source_data[i].inner_source); |
| 1257 | int kSuffixByteLen = i::StrLength(source_data[i].outer_suffix); |
| 1258 | int kProgramSize = kPrefixLen + kInnerLen + kSuffixLen; |
| 1259 | int kProgramByteSize = kPrefixByteLen + kInnerByteLen + kSuffixByteLen; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1260 | i::ScopedVector<char> program(kProgramByteSize + 1); |
| 1261 | i::SNPrintF(program, "%s%s%s", |
| 1262 | source_data[i].outer_prefix, |
| 1263 | source_data[i].inner_source, |
| 1264 | source_data[i].outer_suffix); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1265 | |
| 1266 | // Parse program source. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1267 | i::Handle<i::String> source = factory->NewStringFromUtf8( |
| 1268 | i::CStrVector(program.start())).ToHandleChecked(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1269 | CHECK_EQ(source->length(), kProgramSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1270 | i::Handle<i::Script> script = factory->NewScript(source); |
| 1271 | i::CompilationInfoWithZone info(script); |
| 1272 | i::Parser::ParseInfo parse_info = {isolate->stack_guard()->real_climit(), |
| 1273 | isolate->heap()->HashSeed(), |
| 1274 | isolate->unicode_cache()}; |
| 1275 | i::Parser parser(&info, &parse_info); |
| 1276 | parser.set_allow_lazy(true); |
| 1277 | parser.set_allow_harmony_scoping(true); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1278 | parser.set_allow_harmony_arrow_functions(true); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1279 | info.MarkAsGlobal(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1280 | info.SetStrictMode(source_data[i].strict_mode); |
| 1281 | parser.Parse(); |
| 1282 | CHECK(info.function() != NULL); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1283 | |
| 1284 | // Check scope types and positions. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1285 | i::Scope* scope = info.function()->scope(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1286 | CHECK(scope->is_script_scope()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1287 | CHECK_EQ(scope->start_position(), 0); |
| 1288 | CHECK_EQ(scope->end_position(), kProgramSize); |
| 1289 | CHECK_EQ(scope->inner_scopes()->length(), 1); |
| 1290 | |
| 1291 | i::Scope* inner_scope = scope->inner_scopes()->at(0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1292 | CHECK_EQ(inner_scope->scope_type(), source_data[i].scope_type); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1293 | CHECK_EQ(inner_scope->start_position(), kPrefixLen); |
| 1294 | // The end position of a token is one position after the last |
| 1295 | // character belonging to that token. |
| 1296 | CHECK_EQ(inner_scope->end_position(), kPrefixLen + kInnerLen); |
| 1297 | } |
| 1298 | } |
| 1299 | |
| 1300 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1301 | const char* ReadString(unsigned* start) { |
| 1302 | int length = start[0]; |
| 1303 | char* result = i::NewArray<char>(length + 1); |
| 1304 | for (int i = 0; i < length; i++) { |
| 1305 | result[i] = start[i + 1]; |
| 1306 | } |
| 1307 | result[length] = '\0'; |
| 1308 | return result; |
| 1309 | } |
| 1310 | |
| 1311 | |
| 1312 | i::Handle<i::String> FormatMessage(i::Vector<unsigned> data) { |
| 1313 | i::Isolate* isolate = CcTest::i_isolate(); |
| 1314 | i::Factory* factory = isolate->factory(); |
| 1315 | const char* message = |
| 1316 | ReadString(&data[i::PreparseDataConstants::kMessageTextPos]); |
| 1317 | i::Handle<i::String> format = v8::Utils::OpenHandle( |
| 1318 | *v8::String::NewFromUtf8(CcTest::isolate(), message)); |
| 1319 | int arg_count = data[i::PreparseDataConstants::kMessageArgCountPos]; |
| 1320 | const char* arg = NULL; |
| 1321 | i::Handle<i::JSArray> args_array; |
| 1322 | if (arg_count == 1) { |
| 1323 | // Position after text found by skipping past length field and |
| 1324 | // length field content words. |
| 1325 | int pos = i::PreparseDataConstants::kMessageTextPos + 1 + |
| 1326 | data[i::PreparseDataConstants::kMessageTextPos]; |
| 1327 | arg = ReadString(&data[pos]); |
| 1328 | args_array = factory->NewJSArray(1); |
| 1329 | i::JSArray::SetElement(args_array, 0, v8::Utils::OpenHandle(*v8_str(arg)), |
| 1330 | NONE, i::SLOPPY).Check(); |
| 1331 | } else { |
| 1332 | CHECK_EQ(0, arg_count); |
| 1333 | args_array = factory->NewJSArray(0); |
| 1334 | } |
| 1335 | |
| 1336 | i::Handle<i::JSObject> builtins(isolate->js_builtins_object()); |
| 1337 | i::Handle<i::Object> format_fun = i::Object::GetProperty( |
| 1338 | isolate, builtins, "FormatMessage").ToHandleChecked(); |
| 1339 | i::Handle<i::Object> arg_handles[] = { format, args_array }; |
| 1340 | i::Handle<i::Object> result = i::Execution::Call( |
| 1341 | isolate, format_fun, builtins, 2, arg_handles).ToHandleChecked(); |
| 1342 | CHECK(result->IsString()); |
| 1343 | i::DeleteArray(message); |
| 1344 | i::DeleteArray(arg); |
| 1345 | data.Dispose(); |
| 1346 | return i::Handle<i::String>::cast(result); |
| 1347 | } |
| 1348 | |
| 1349 | |
| 1350 | enum ParserFlag { |
| 1351 | kAllowLazy, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1352 | kAllowNatives, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1353 | kAllowHarmonyScoping, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1354 | kAllowHarmonyModules, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1355 | kAllowHarmonyNumericLiterals, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1356 | kAllowHarmonyArrowFunctions, |
| 1357 | kAllowHarmonyClasses, |
| 1358 | kAllowHarmonyObjectLiterals, |
| 1359 | kAllowHarmonyTemplates, |
| 1360 | kAllowHarmonySloppy, |
| 1361 | kAllowHarmonyUnicode |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1362 | }; |
| 1363 | |
| 1364 | |
| 1365 | enum ParserSyncTestResult { |
| 1366 | kSuccessOrError, |
| 1367 | kSuccess, |
| 1368 | kError |
| 1369 | }; |
| 1370 | |
| 1371 | template <typename Traits> |
| 1372 | void SetParserFlags(i::ParserBase<Traits>* parser, |
| 1373 | i::EnumSet<ParserFlag> flags) { |
| 1374 | parser->set_allow_lazy(flags.Contains(kAllowLazy)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1375 | parser->set_allow_natives(flags.Contains(kAllowNatives)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1376 | parser->set_allow_harmony_scoping(flags.Contains(kAllowHarmonyScoping)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1377 | parser->set_allow_harmony_modules(flags.Contains(kAllowHarmonyModules)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1378 | parser->set_allow_harmony_numeric_literals( |
| 1379 | flags.Contains(kAllowHarmonyNumericLiterals)); |
| 1380 | parser->set_allow_harmony_object_literals( |
| 1381 | flags.Contains(kAllowHarmonyObjectLiterals)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1382 | parser->set_allow_harmony_arrow_functions( |
| 1383 | flags.Contains(kAllowHarmonyArrowFunctions)); |
| 1384 | parser->set_allow_harmony_classes(flags.Contains(kAllowHarmonyClasses)); |
| 1385 | parser->set_allow_harmony_templates(flags.Contains(kAllowHarmonyTemplates)); |
| 1386 | parser->set_allow_harmony_sloppy(flags.Contains(kAllowHarmonySloppy)); |
| 1387 | parser->set_allow_harmony_unicode(flags.Contains(kAllowHarmonyUnicode)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1388 | } |
| 1389 | |
| 1390 | |
| 1391 | void TestParserSyncWithFlags(i::Handle<i::String> source, |
| 1392 | i::EnumSet<ParserFlag> flags, |
| 1393 | ParserSyncTestResult result) { |
| 1394 | i::Isolate* isolate = CcTest::i_isolate(); |
| 1395 | i::Factory* factory = isolate->factory(); |
| 1396 | |
| 1397 | uintptr_t stack_limit = isolate->stack_guard()->real_climit(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1398 | int preparser_materialized_literals = -1; |
| 1399 | int parser_materialized_literals = -2; |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1400 | |
| 1401 | // Preparse the data. |
| 1402 | i::CompleteParserRecorder log; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1403 | { |
| 1404 | i::Scanner scanner(isolate->unicode_cache()); |
| 1405 | i::GenericStringUtf16CharacterStream stream(source, 0, source->length()); |
| 1406 | i::PreParser preparser(&scanner, &log, stack_limit); |
| 1407 | SetParserFlags(&preparser, flags); |
| 1408 | scanner.Initialize(&stream); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1409 | i::PreParser::PreParseResult result = preparser.PreParseProgram( |
| 1410 | &preparser_materialized_literals); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1411 | CHECK_EQ(i::PreParser::kPreParseSuccess, result); |
| 1412 | } |
| 1413 | |
| 1414 | bool preparse_error = log.HasError(); |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1415 | |
| 1416 | // Parse the data |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1417 | i::FunctionLiteral* function; |
| 1418 | { |
| 1419 | i::Handle<i::Script> script = factory->NewScript(source); |
| 1420 | i::CompilationInfoWithZone info(script); |
| 1421 | i::Parser::ParseInfo parse_info = {isolate->stack_guard()->real_climit(), |
| 1422 | isolate->heap()->HashSeed(), |
| 1423 | isolate->unicode_cache()}; |
| 1424 | i::Parser parser(&info, &parse_info); |
| 1425 | SetParserFlags(&parser, flags); |
| 1426 | info.MarkAsGlobal(); |
| 1427 | parser.Parse(); |
| 1428 | function = info.function(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1429 | if (function) { |
| 1430 | parser_materialized_literals = function->materialized_literal_count(); |
| 1431 | } |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1432 | } |
| 1433 | |
| 1434 | // Check that preparsing fails iff parsing fails. |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1435 | if (function == NULL) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1436 | // Extract exception from the parser. |
| 1437 | CHECK(isolate->has_pending_exception()); |
| 1438 | i::Handle<i::JSObject> exception_handle( |
| 1439 | i::JSObject::cast(isolate->pending_exception())); |
| 1440 | i::Handle<i::String> message_string = |
| 1441 | i::Handle<i::String>::cast(i::Object::GetProperty( |
| 1442 | isolate, exception_handle, "message").ToHandleChecked()); |
| 1443 | |
| 1444 | if (result == kSuccess) { |
| 1445 | v8::base::OS::Print( |
| 1446 | "Parser failed on:\n" |
| 1447 | "\t%s\n" |
| 1448 | "with error:\n" |
| 1449 | "\t%s\n" |
| 1450 | "However, we expected no error.", |
| 1451 | source->ToCString().get(), message_string->ToCString().get()); |
| 1452 | CHECK(false); |
| 1453 | } |
| 1454 | |
| 1455 | if (!preparse_error) { |
| 1456 | v8::base::OS::Print( |
| 1457 | "Parser failed on:\n" |
| 1458 | "\t%s\n" |
| 1459 | "with error:\n" |
| 1460 | "\t%s\n" |
| 1461 | "However, the preparser succeeded", |
| 1462 | source->ToCString().get(), message_string->ToCString().get()); |
| 1463 | CHECK(false); |
| 1464 | } |
| 1465 | // Check that preparser and parser produce the same error. |
| 1466 | i::Handle<i::String> preparser_message = |
| 1467 | FormatMessage(log.ErrorMessageData()); |
| 1468 | if (!i::String::Equals(message_string, preparser_message)) { |
| 1469 | v8::base::OS::Print( |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1470 | "Expected parser and preparser to produce the same error on:\n" |
| 1471 | "\t%s\n" |
| 1472 | "However, found the following error messages\n" |
| 1473 | "\tparser: %s\n" |
| 1474 | "\tpreparser: %s\n", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1475 | source->ToCString().get(), |
| 1476 | message_string->ToCString().get(), |
| 1477 | preparser_message->ToCString().get()); |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1478 | CHECK(false); |
| 1479 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1480 | } else if (preparse_error) { |
| 1481 | v8::base::OS::Print( |
| 1482 | "Preparser failed on:\n" |
| 1483 | "\t%s\n" |
| 1484 | "with error:\n" |
| 1485 | "\t%s\n" |
| 1486 | "However, the parser succeeded", |
| 1487 | source->ToCString().get(), |
| 1488 | FormatMessage(log.ErrorMessageData())->ToCString().get()); |
| 1489 | CHECK(false); |
| 1490 | } else if (result == kError) { |
| 1491 | v8::base::OS::Print( |
| 1492 | "Expected error on:\n" |
| 1493 | "\t%s\n" |
| 1494 | "However, parser and preparser succeeded", |
| 1495 | source->ToCString().get()); |
| 1496 | CHECK(false); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1497 | } else if (preparser_materialized_literals != parser_materialized_literals) { |
| 1498 | v8::base::OS::Print( |
| 1499 | "Preparser materialized literals (%d) differ from Parser materialized " |
| 1500 | "literals (%d) on:\n" |
| 1501 | "\t%s\n" |
| 1502 | "However, parser and preparser succeeded", |
| 1503 | preparser_materialized_literals, parser_materialized_literals, |
| 1504 | source->ToCString().get()); |
| 1505 | CHECK(false); |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1506 | } |
| 1507 | } |
| 1508 | |
| 1509 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1510 | void TestParserSync(const char* source, |
| 1511 | const ParserFlag* varying_flags, |
| 1512 | size_t varying_flags_length, |
| 1513 | ParserSyncTestResult result = kSuccessOrError, |
| 1514 | const ParserFlag* always_true_flags = NULL, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1515 | size_t always_true_flags_length = 0, |
| 1516 | const ParserFlag* always_false_flags = NULL, |
| 1517 | size_t always_false_flags_length = 0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1518 | i::Handle<i::String> str = |
| 1519 | CcTest::i_isolate()->factory()->NewStringFromAsciiChecked(source); |
| 1520 | for (int bits = 0; bits < (1 << varying_flags_length); bits++) { |
| 1521 | i::EnumSet<ParserFlag> flags; |
| 1522 | for (size_t flag_index = 0; flag_index < varying_flags_length; |
| 1523 | ++flag_index) { |
| 1524 | if ((bits & (1 << flag_index)) != 0) flags.Add(varying_flags[flag_index]); |
| 1525 | } |
| 1526 | for (size_t flag_index = 0; flag_index < always_true_flags_length; |
| 1527 | ++flag_index) { |
| 1528 | flags.Add(always_true_flags[flag_index]); |
| 1529 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1530 | for (size_t flag_index = 0; flag_index < always_false_flags_length; |
| 1531 | ++flag_index) { |
| 1532 | flags.Remove(always_false_flags[flag_index]); |
| 1533 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1534 | TestParserSyncWithFlags(str, flags, result); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1535 | } |
| 1536 | } |
| 1537 | |
| 1538 | |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1539 | TEST(ParserSync) { |
| 1540 | const char* context_data[][2] = { |
| 1541 | { "", "" }, |
| 1542 | { "{", "}" }, |
| 1543 | { "if (true) ", " else {}" }, |
| 1544 | { "if (true) {} else ", "" }, |
| 1545 | { "if (true) ", "" }, |
| 1546 | { "do ", " while (false)" }, |
| 1547 | { "while (false) ", "" }, |
| 1548 | { "for (;;) ", "" }, |
| 1549 | { "with ({})", "" }, |
| 1550 | { "switch (12) { case 12: ", "}" }, |
| 1551 | { "switch (12) { default: ", "}" }, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1552 | { "switch (12) { ", "case 12: }" }, |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1553 | { "label2: ", "" }, |
| 1554 | { NULL, NULL } |
| 1555 | }; |
| 1556 | |
| 1557 | const char* statement_data[] = { |
| 1558 | "{}", |
| 1559 | "var x", |
| 1560 | "var x = 1", |
| 1561 | "const x", |
| 1562 | "const x = 1", |
| 1563 | ";", |
| 1564 | "12", |
| 1565 | "if (false) {} else ;", |
| 1566 | "if (false) {} else {}", |
| 1567 | "if (false) {} else 12", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1568 | "if (false) ;", |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1569 | "if (false) {}", |
| 1570 | "if (false) 12", |
| 1571 | "do {} while (false)", |
| 1572 | "for (;;) ;", |
| 1573 | "for (;;) {}", |
| 1574 | "for (;;) 12", |
| 1575 | "continue", |
| 1576 | "continue label", |
| 1577 | "continue\nlabel", |
| 1578 | "break", |
| 1579 | "break label", |
| 1580 | "break\nlabel", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1581 | // TODO(marja): activate once parsing 'return' is merged into ParserBase. |
| 1582 | // "return", |
| 1583 | // "return 12", |
| 1584 | // "return\n12", |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1585 | "with ({}) ;", |
| 1586 | "with ({}) {}", |
| 1587 | "with ({}) 12", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1588 | "switch ({}) { default: }", |
| 1589 | "label3: ", |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1590 | "throw", |
| 1591 | "throw 12", |
| 1592 | "throw\n12", |
| 1593 | "try {} catch(e) {}", |
| 1594 | "try {} finally {}", |
| 1595 | "try {} catch(e) {} finally {}", |
| 1596 | "debugger", |
| 1597 | NULL |
| 1598 | }; |
| 1599 | |
| 1600 | const char* termination_data[] = { |
| 1601 | "", |
| 1602 | ";", |
| 1603 | "\n", |
| 1604 | ";\n", |
| 1605 | "\n;", |
| 1606 | NULL |
| 1607 | }; |
| 1608 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1609 | v8::HandleScope handles(CcTest::isolate()); |
| 1610 | v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate()); |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1611 | v8::Context::Scope context_scope(context); |
| 1612 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1613 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 1614 | i::GetCurrentStackPosition() - 128 * 1024); |
| 1615 | |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1616 | for (int i = 0; context_data[i][0] != NULL; ++i) { |
| 1617 | for (int j = 0; statement_data[j] != NULL; ++j) { |
| 1618 | for (int k = 0; termination_data[k] != NULL; ++k) { |
| 1619 | int kPrefixLen = i::StrLength(context_data[i][0]); |
| 1620 | int kStatementLen = i::StrLength(statement_data[j]); |
| 1621 | int kTerminationLen = i::StrLength(termination_data[k]); |
| 1622 | int kSuffixLen = i::StrLength(context_data[i][1]); |
| 1623 | int kProgramSize = kPrefixLen + kStatementLen + kTerminationLen |
| 1624 | + kSuffixLen + i::StrLength("label: for (;;) { }"); |
| 1625 | |
| 1626 | // Plug the source code pieces together. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1627 | i::ScopedVector<char> program(kProgramSize + 1); |
| 1628 | int length = i::SNPrintF(program, |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1629 | "label: for (;;) { %s%s%s%s }", |
| 1630 | context_data[i][0], |
| 1631 | statement_data[j], |
| 1632 | termination_data[k], |
| 1633 | context_data[i][1]); |
| 1634 | CHECK(length == kProgramSize); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1635 | TestParserSync(program.start(), NULL, 0); |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 1636 | } |
| 1637 | } |
| 1638 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1639 | |
| 1640 | // Neither Harmony numeric literals nor our natives syntax have any |
| 1641 | // interaction with the flags above, so test these separately to reduce |
| 1642 | // the combinatorial explosion. |
| 1643 | static const ParserFlag flags2[] = { kAllowHarmonyNumericLiterals }; |
| 1644 | TestParserSync("0o1234", flags2, arraysize(flags2)); |
| 1645 | TestParserSync("0b1011", flags2, arraysize(flags2)); |
| 1646 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1647 | static const ParserFlag flags3[] = { kAllowNatives }; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1648 | TestParserSync("%DebugPrint(123)", flags3, arraysize(flags3)); |
| 1649 | } |
| 1650 | |
| 1651 | |
| 1652 | TEST(StrictOctal) { |
| 1653 | // Test that syntax error caused by octal literal is reported correctly as |
| 1654 | // such (issue 2220). |
| 1655 | v8::V8::Initialize(); |
| 1656 | v8::HandleScope scope(CcTest::isolate()); |
| 1657 | v8::Context::Scope context_scope( |
| 1658 | v8::Context::New(CcTest::isolate())); |
| 1659 | v8::TryCatch try_catch; |
| 1660 | const char* script = |
| 1661 | "\"use strict\"; \n" |
| 1662 | "a = function() { \n" |
| 1663 | " b = function() { \n" |
| 1664 | " 01; \n" |
| 1665 | " }; \n" |
| 1666 | "}; \n"; |
| 1667 | v8::Script::Compile(v8::String::NewFromUtf8(CcTest::isolate(), script)); |
| 1668 | CHECK(try_catch.HasCaught()); |
| 1669 | v8::String::Utf8Value exception(try_catch.Exception()); |
| 1670 | CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.", |
| 1671 | *exception); |
| 1672 | } |
| 1673 | |
| 1674 | |
| 1675 | void RunParserSyncTest(const char* context_data[][2], |
| 1676 | const char* statement_data[], |
| 1677 | ParserSyncTestResult result, |
| 1678 | const ParserFlag* flags = NULL, |
| 1679 | int flags_len = 0, |
| 1680 | const ParserFlag* always_true_flags = NULL, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1681 | int always_true_len = 0, |
| 1682 | const ParserFlag* always_false_flags = NULL, |
| 1683 | int always_false_len = 0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1684 | v8::HandleScope handles(CcTest::isolate()); |
| 1685 | v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate()); |
| 1686 | v8::Context::Scope context_scope(context); |
| 1687 | |
| 1688 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 1689 | i::GetCurrentStackPosition() - 128 * 1024); |
| 1690 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1691 | // Experimental feature flags should not go here; pass the flags as |
| 1692 | // always_true_flags if the test needs them. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1693 | static const ParserFlag default_flags[] = { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1694 | kAllowLazy, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1695 | kAllowNatives, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1696 | }; |
| 1697 | ParserFlag* generated_flags = NULL; |
| 1698 | if (flags == NULL) { |
| 1699 | flags = default_flags; |
| 1700 | flags_len = arraysize(default_flags); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1701 | if (always_true_flags != NULL || always_false_flags != NULL) { |
| 1702 | // Remove always_true/false_flags from default_flags (if present). |
| 1703 | CHECK((always_true_flags != NULL) == (always_true_len > 0)); |
| 1704 | CHECK((always_false_flags != NULL) == (always_false_len > 0)); |
| 1705 | generated_flags = new ParserFlag[flags_len + always_true_len]; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1706 | int flag_index = 0; |
| 1707 | for (int i = 0; i < flags_len; ++i) { |
| 1708 | bool use_flag = true; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1709 | for (int j = 0; use_flag && j < always_true_len; ++j) { |
| 1710 | if (flags[i] == always_true_flags[j]) use_flag = false; |
| 1711 | } |
| 1712 | for (int j = 0; use_flag && j < always_false_len; ++j) { |
| 1713 | if (flags[i] == always_false_flags[j]) use_flag = false; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1714 | } |
| 1715 | if (use_flag) generated_flags[flag_index++] = flags[i]; |
| 1716 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1717 | flags_len = flag_index; |
| 1718 | flags = generated_flags; |
| 1719 | } |
| 1720 | } |
| 1721 | for (int i = 0; context_data[i][0] != NULL; ++i) { |
| 1722 | for (int j = 0; statement_data[j] != NULL; ++j) { |
| 1723 | int kPrefixLen = i::StrLength(context_data[i][0]); |
| 1724 | int kStatementLen = i::StrLength(statement_data[j]); |
| 1725 | int kSuffixLen = i::StrLength(context_data[i][1]); |
| 1726 | int kProgramSize = kPrefixLen + kStatementLen + kSuffixLen; |
| 1727 | |
| 1728 | // Plug the source code pieces together. |
| 1729 | i::ScopedVector<char> program(kProgramSize + 1); |
| 1730 | int length = i::SNPrintF(program, |
| 1731 | "%s%s%s", |
| 1732 | context_data[i][0], |
| 1733 | statement_data[j], |
| 1734 | context_data[i][1]); |
| 1735 | CHECK(length == kProgramSize); |
| 1736 | TestParserSync(program.start(), |
| 1737 | flags, |
| 1738 | flags_len, |
| 1739 | result, |
| 1740 | always_true_flags, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1741 | always_true_len, |
| 1742 | always_false_flags, |
| 1743 | always_false_len); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1744 | } |
| 1745 | } |
| 1746 | delete[] generated_flags; |
| 1747 | } |
| 1748 | |
| 1749 | |
| 1750 | TEST(ErrorsEvalAndArguments) { |
| 1751 | // Tests that both preparsing and parsing produce the right kind of errors for |
| 1752 | // using "eval" and "arguments" as identifiers. Without the strict mode, it's |
| 1753 | // ok to use "eval" or "arguments" as identifiers. With the strict mode, it |
| 1754 | // isn't. |
| 1755 | const char* context_data[][2] = { |
| 1756 | { "\"use strict\";", "" }, |
| 1757 | { "var eval; function test_func() {\"use strict\"; ", "}"}, |
| 1758 | { NULL, NULL } |
| 1759 | }; |
| 1760 | |
| 1761 | const char* statement_data[] = { |
| 1762 | "var eval;", |
| 1763 | "var arguments", |
| 1764 | "var foo, eval;", |
| 1765 | "var foo, arguments;", |
| 1766 | "try { } catch (eval) { }", |
| 1767 | "try { } catch (arguments) { }", |
| 1768 | "function eval() { }", |
| 1769 | "function arguments() { }", |
| 1770 | "function foo(eval) { }", |
| 1771 | "function foo(arguments) { }", |
| 1772 | "function foo(bar, eval) { }", |
| 1773 | "function foo(bar, arguments) { }", |
| 1774 | "(eval) => { }", |
| 1775 | "(arguments) => { }", |
| 1776 | "(foo, eval) => { }", |
| 1777 | "(foo, arguments) => { }", |
| 1778 | "eval = 1;", |
| 1779 | "arguments = 1;", |
| 1780 | "var foo = eval = 1;", |
| 1781 | "var foo = arguments = 1;", |
| 1782 | "++eval;", |
| 1783 | "++arguments;", |
| 1784 | "eval++;", |
| 1785 | "arguments++;", |
| 1786 | NULL |
| 1787 | }; |
| 1788 | |
| 1789 | RunParserSyncTest(context_data, statement_data, kError); |
| 1790 | } |
| 1791 | |
| 1792 | |
| 1793 | TEST(NoErrorsEvalAndArgumentsSloppy) { |
| 1794 | // Tests that both preparsing and parsing accept "eval" and "arguments" as |
| 1795 | // identifiers when needed. |
| 1796 | const char* context_data[][2] = { |
| 1797 | { "", "" }, |
| 1798 | { "function test_func() {", "}"}, |
| 1799 | { NULL, NULL } |
| 1800 | }; |
| 1801 | |
| 1802 | const char* statement_data[] = { |
| 1803 | "var eval;", |
| 1804 | "var arguments", |
| 1805 | "var foo, eval;", |
| 1806 | "var foo, arguments;", |
| 1807 | "try { } catch (eval) { }", |
| 1808 | "try { } catch (arguments) { }", |
| 1809 | "function eval() { }", |
| 1810 | "function arguments() { }", |
| 1811 | "function foo(eval) { }", |
| 1812 | "function foo(arguments) { }", |
| 1813 | "function foo(bar, eval) { }", |
| 1814 | "function foo(bar, arguments) { }", |
| 1815 | "eval = 1;", |
| 1816 | "arguments = 1;", |
| 1817 | "var foo = eval = 1;", |
| 1818 | "var foo = arguments = 1;", |
| 1819 | "++eval;", |
| 1820 | "++arguments;", |
| 1821 | "eval++;", |
| 1822 | "arguments++;", |
| 1823 | NULL |
| 1824 | }; |
| 1825 | |
| 1826 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 1827 | } |
| 1828 | |
| 1829 | |
| 1830 | TEST(NoErrorsEvalAndArgumentsStrict) { |
| 1831 | const char* context_data[][2] = { |
| 1832 | { "\"use strict\";", "" }, |
| 1833 | { "function test_func() { \"use strict\";", "}" }, |
| 1834 | { "() => { \"use strict\"; ", "}" }, |
| 1835 | { NULL, NULL } |
| 1836 | }; |
| 1837 | |
| 1838 | const char* statement_data[] = { |
| 1839 | "eval;", |
| 1840 | "arguments;", |
| 1841 | "var foo = eval;", |
| 1842 | "var foo = arguments;", |
| 1843 | "var foo = { eval: 1 };", |
| 1844 | "var foo = { arguments: 1 };", |
| 1845 | "var foo = { }; foo.eval = {};", |
| 1846 | "var foo = { }; foo.arguments = {};", |
| 1847 | NULL |
| 1848 | }; |
| 1849 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1850 | static const ParserFlag always_flags[] = {kAllowHarmonyArrowFunctions}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1851 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 1852 | always_flags, arraysize(always_flags)); |
| 1853 | } |
| 1854 | |
| 1855 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1856 | #define FUTURE_STRICT_RESERVED_WORDS(V) \ |
| 1857 | V(implements) \ |
| 1858 | V(interface) \ |
| 1859 | V(let) \ |
| 1860 | V(package) \ |
| 1861 | V(private) \ |
| 1862 | V(protected) \ |
| 1863 | V(public) \ |
| 1864 | V(static) \ |
| 1865 | V(yield) |
| 1866 | |
| 1867 | |
| 1868 | #define LIMITED_FUTURE_STRICT_RESERVED_WORDS(V) \ |
| 1869 | V(implements) \ |
| 1870 | V(let) \ |
| 1871 | V(static) \ |
| 1872 | V(yield) |
| 1873 | |
| 1874 | |
| 1875 | #define FUTURE_STRICT_RESERVED_STATEMENTS(NAME) \ |
| 1876 | "var " #NAME ";", \ |
| 1877 | "var foo, " #NAME ";", \ |
| 1878 | "try { } catch (" #NAME ") { }", \ |
| 1879 | "function " #NAME "() { }", \ |
| 1880 | "(function " #NAME "() { })", \ |
| 1881 | "function foo(" #NAME ") { }", \ |
| 1882 | "function foo(bar, " #NAME ") { }", \ |
| 1883 | #NAME " = 1;", \ |
| 1884 | #NAME " += 1;", \ |
| 1885 | "var foo = " #NAME " = 1;", \ |
| 1886 | "++" #NAME ";", \ |
| 1887 | #NAME " ++;", |
| 1888 | |
| 1889 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1890 | TEST(ErrorsFutureStrictReservedWords) { |
| 1891 | // Tests that both preparsing and parsing produce the right kind of errors for |
| 1892 | // using future strict reserved words as identifiers. Without the strict mode, |
| 1893 | // it's ok to use future strict reserved words as identifiers. With the strict |
| 1894 | // mode, it isn't. |
| 1895 | const char* context_data[][2] = { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1896 | { "function test_func() {\"use strict\"; ", "}"}, |
| 1897 | { "() => { \"use strict\"; ", "}" }, |
| 1898 | { NULL, NULL } |
| 1899 | }; |
| 1900 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1901 | const char* statement_data[] { |
| 1902 | LIMITED_FUTURE_STRICT_RESERVED_WORDS(FUTURE_STRICT_RESERVED_STATEMENTS) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1903 | NULL |
| 1904 | }; |
| 1905 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1906 | RunParserSyncTest(context_data, statement_data, kError); |
| 1907 | RunParserSyncTest(context_data, statement_data, kError); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1908 | } |
| 1909 | |
| 1910 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1911 | #undef LIMITED_FUTURE_STRICT_RESERVED_WORDS |
| 1912 | |
| 1913 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1914 | TEST(NoErrorsFutureStrictReservedWords) { |
| 1915 | const char* context_data[][2] = { |
| 1916 | { "", "" }, |
| 1917 | { "function test_func() {", "}"}, |
| 1918 | { "() => {", "}" }, |
| 1919 | { NULL, NULL } |
| 1920 | }; |
| 1921 | |
| 1922 | const char* statement_data[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1923 | FUTURE_STRICT_RESERVED_WORDS(FUTURE_STRICT_RESERVED_STATEMENTS) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1924 | NULL |
| 1925 | }; |
| 1926 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1927 | static const ParserFlag always_flags[] = {kAllowHarmonyArrowFunctions}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1928 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 1929 | always_flags, arraysize(always_flags)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1930 | |
| 1931 | static const ParserFlag classes_flags[] = { |
| 1932 | kAllowHarmonyArrowFunctions, kAllowHarmonyClasses, kAllowHarmonyScoping}; |
| 1933 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 1934 | classes_flags, arraysize(classes_flags)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
| 1937 | |
| 1938 | TEST(ErrorsReservedWords) { |
| 1939 | // Tests that both preparsing and parsing produce the right kind of errors for |
| 1940 | // using future reserved words as identifiers. These tests don't depend on the |
| 1941 | // strict mode. |
| 1942 | const char* context_data[][2] = { |
| 1943 | { "", "" }, |
| 1944 | { "\"use strict\";", "" }, |
| 1945 | { "var eval; function test_func() {", "}"}, |
| 1946 | { "var eval; function test_func() {\"use strict\"; ", "}"}, |
| 1947 | { "var eval; () => {", "}"}, |
| 1948 | { "var eval; () => {\"use strict\"; ", "}"}, |
| 1949 | { NULL, NULL } |
| 1950 | }; |
| 1951 | |
| 1952 | const char* statement_data[] = { |
| 1953 | "var super;", |
| 1954 | "var foo, super;", |
| 1955 | "try { } catch (super) { }", |
| 1956 | "function super() { }", |
| 1957 | "function foo(super) { }", |
| 1958 | "function foo(bar, super) { }", |
| 1959 | "(super) => { }", |
| 1960 | "(bar, super) => { }", |
| 1961 | "super = 1;", |
| 1962 | "var foo = super = 1;", |
| 1963 | "++super;", |
| 1964 | "super++;", |
| 1965 | "function foo super", |
| 1966 | NULL |
| 1967 | }; |
| 1968 | |
| 1969 | RunParserSyncTest(context_data, statement_data, kError); |
| 1970 | } |
| 1971 | |
| 1972 | |
| 1973 | TEST(NoErrorsLetSloppyAllModes) { |
| 1974 | // In sloppy mode, it's okay to use "let" as identifier. |
| 1975 | const char* context_data[][2] = { |
| 1976 | { "", "" }, |
| 1977 | { "function f() {", "}" }, |
| 1978 | { "(function f() {", "})" }, |
| 1979 | { NULL, NULL } |
| 1980 | }; |
| 1981 | |
| 1982 | const char* statement_data[] = { |
| 1983 | "var let;", |
| 1984 | "var foo, let;", |
| 1985 | "try { } catch (let) { }", |
| 1986 | "function let() { }", |
| 1987 | "(function let() { })", |
| 1988 | "function foo(let) { }", |
| 1989 | "function foo(bar, let) { }", |
| 1990 | "let = 1;", |
| 1991 | "var foo = let = 1;", |
| 1992 | "let * 2;", |
| 1993 | "++let;", |
| 1994 | "let++;", |
| 1995 | "let: 34", |
| 1996 | "function let(let) { let: let(let + let(0)); }", |
| 1997 | "({ let: 1 })", |
| 1998 | "({ get let() { 1 } })", |
| 1999 | "let(100)", |
| 2000 | NULL |
| 2001 | }; |
| 2002 | |
| 2003 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2004 | } |
| 2005 | |
| 2006 | |
| 2007 | TEST(NoErrorsYieldSloppyAllModes) { |
| 2008 | // In sloppy mode, it's okay to use "yield" as identifier, *except* inside a |
| 2009 | // generator (see other test). |
| 2010 | const char* context_data[][2] = { |
| 2011 | { "", "" }, |
| 2012 | { "function not_gen() {", "}" }, |
| 2013 | { "(function not_gen() {", "})" }, |
| 2014 | { NULL, NULL } |
| 2015 | }; |
| 2016 | |
| 2017 | const char* statement_data[] = { |
| 2018 | "var yield;", |
| 2019 | "var foo, yield;", |
| 2020 | "try { } catch (yield) { }", |
| 2021 | "function yield() { }", |
| 2022 | "(function yield() { })", |
| 2023 | "function foo(yield) { }", |
| 2024 | "function foo(bar, yield) { }", |
| 2025 | "yield = 1;", |
| 2026 | "var foo = yield = 1;", |
| 2027 | "yield * 2;", |
| 2028 | "++yield;", |
| 2029 | "yield++;", |
| 2030 | "yield: 34", |
| 2031 | "function yield(yield) { yield: yield (yield + yield(0)); }", |
| 2032 | "({ yield: 1 })", |
| 2033 | "({ get yield() { 1 } })", |
| 2034 | "yield(100)", |
| 2035 | "yield[100]", |
| 2036 | NULL |
| 2037 | }; |
| 2038 | |
| 2039 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2040 | } |
| 2041 | |
| 2042 | |
| 2043 | TEST(NoErrorsYieldSloppyGeneratorsEnabled) { |
| 2044 | // In sloppy mode, it's okay to use "yield" as identifier, *except* inside a |
| 2045 | // generator (see next test). |
| 2046 | const char* context_data[][2] = { |
| 2047 | { "", "" }, |
| 2048 | { "function not_gen() {", "}" }, |
| 2049 | { "function * gen() { function not_gen() {", "} }" }, |
| 2050 | { "(function not_gen() {", "})" }, |
| 2051 | { "(function * gen() { (function not_gen() {", "}) })" }, |
| 2052 | { NULL, NULL } |
| 2053 | }; |
| 2054 | |
| 2055 | const char* statement_data[] = { |
| 2056 | "var yield;", |
| 2057 | "var foo, yield;", |
| 2058 | "try { } catch (yield) { }", |
| 2059 | "function yield() { }", |
| 2060 | "(function yield() { })", |
| 2061 | "function foo(yield) { }", |
| 2062 | "function foo(bar, yield) { }", |
| 2063 | "function * yield() { }", |
| 2064 | "(function * yield() { })", |
| 2065 | "yield = 1;", |
| 2066 | "var foo = yield = 1;", |
| 2067 | "yield * 2;", |
| 2068 | "++yield;", |
| 2069 | "yield++;", |
| 2070 | "yield: 34", |
| 2071 | "function yield(yield) { yield: yield (yield + yield(0)); }", |
| 2072 | "({ yield: 1 })", |
| 2073 | "({ get yield() { 1 } })", |
| 2074 | "yield(100)", |
| 2075 | "yield[100]", |
| 2076 | NULL |
| 2077 | }; |
| 2078 | |
| 2079 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2080 | } |
| 2081 | |
| 2082 | |
| 2083 | TEST(ErrorsYieldStrict) { |
| 2084 | const char* context_data[][2] = { |
| 2085 | { "\"use strict\";", "" }, |
| 2086 | { "\"use strict\"; function not_gen() {", "}" }, |
| 2087 | { "function test_func() {\"use strict\"; ", "}"}, |
| 2088 | { "\"use strict\"; function * gen() { function not_gen() {", "} }" }, |
| 2089 | { "\"use strict\"; (function not_gen() {", "})" }, |
| 2090 | { "\"use strict\"; (function * gen() { (function not_gen() {", "}) })" }, |
| 2091 | { "() => {\"use strict\"; ", "}" }, |
| 2092 | { NULL, NULL } |
| 2093 | }; |
| 2094 | |
| 2095 | const char* statement_data[] = { |
| 2096 | "var yield;", |
| 2097 | "var foo, yield;", |
| 2098 | "try { } catch (yield) { }", |
| 2099 | "function yield() { }", |
| 2100 | "(function yield() { })", |
| 2101 | "function foo(yield) { }", |
| 2102 | "function foo(bar, yield) { }", |
| 2103 | "function * yield() { }", |
| 2104 | "(function * yield() { })", |
| 2105 | "yield = 1;", |
| 2106 | "var foo = yield = 1;", |
| 2107 | "++yield;", |
| 2108 | "yield++;", |
| 2109 | "yield: 34;", |
| 2110 | NULL |
| 2111 | }; |
| 2112 | |
| 2113 | RunParserSyncTest(context_data, statement_data, kError); |
| 2114 | } |
| 2115 | |
| 2116 | |
| 2117 | TEST(NoErrorsGenerator) { |
| 2118 | const char* context_data[][2] = { |
| 2119 | { "function * gen() {", "}" }, |
| 2120 | { "(function * gen() {", "})" }, |
| 2121 | { "(function * () {", "})" }, |
| 2122 | { NULL, NULL } |
| 2123 | }; |
| 2124 | |
| 2125 | const char* statement_data[] = { |
| 2126 | // A generator without a body is valid. |
| 2127 | "" |
| 2128 | // Valid yield expressions inside generators. |
| 2129 | "yield 2;", |
| 2130 | "yield * 2;", |
| 2131 | "yield * \n 2;", |
| 2132 | "yield yield 1;", |
| 2133 | "yield * yield * 1;", |
| 2134 | "yield 3 + (yield 4);", |
| 2135 | "yield * 3 + (yield * 4);", |
| 2136 | "(yield * 3) + (yield * 4);", |
| 2137 | "yield 3; yield 4;", |
| 2138 | "yield * 3; yield * 4;", |
| 2139 | "(function (yield) { })", |
| 2140 | "yield { yield: 12 }", |
| 2141 | "yield /* comment */ { yield: 12 }", |
| 2142 | "yield * \n { yield: 12 }", |
| 2143 | "yield /* comment */ * \n { yield: 12 }", |
| 2144 | // You can return in a generator. |
| 2145 | "yield 1; return", |
| 2146 | "yield * 1; return", |
| 2147 | "yield 1; return 37", |
| 2148 | "yield * 1; return 37", |
| 2149 | "yield 1; return 37; yield 'dead';", |
| 2150 | "yield * 1; return 37; yield * 'dead';", |
| 2151 | // Yield is still a valid key in object literals. |
| 2152 | "({ yield: 1 })", |
| 2153 | "({ get yield() { } })", |
| 2154 | // Yield without RHS. |
| 2155 | "yield;", |
| 2156 | "yield", |
| 2157 | "yield\n", |
| 2158 | "yield /* comment */" |
| 2159 | "yield // comment\n" |
| 2160 | "(yield)", |
| 2161 | "[yield]", |
| 2162 | "{yield}", |
| 2163 | "yield, yield", |
| 2164 | "yield; yield", |
| 2165 | "(yield) ? yield : yield", |
| 2166 | "(yield) \n ? yield : yield", |
| 2167 | // If there is a newline before the next token, we don't look for RHS. |
| 2168 | "yield\nfor (;;) {}", |
| 2169 | NULL |
| 2170 | }; |
| 2171 | |
| 2172 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2173 | } |
| 2174 | |
| 2175 | |
| 2176 | TEST(ErrorsYieldGenerator) { |
| 2177 | const char* context_data[][2] = { |
| 2178 | { "function * gen() {", "}" }, |
| 2179 | { "\"use strict\"; function * gen() {", "}" }, |
| 2180 | { NULL, NULL } |
| 2181 | }; |
| 2182 | |
| 2183 | const char* statement_data[] = { |
| 2184 | // Invalid yield expressions inside generators. |
| 2185 | "var yield;", |
| 2186 | "var foo, yield;", |
| 2187 | "try { } catch (yield) { }", |
| 2188 | "function yield() { }", |
| 2189 | // The name of the NFE is let-bound in the generator, which does not permit |
| 2190 | // yield to be an identifier. |
| 2191 | "(function yield() { })", |
| 2192 | "(function * yield() { })", |
| 2193 | // Yield isn't valid as a formal parameter for generators. |
| 2194 | "function * foo(yield) { }", |
| 2195 | "(function * foo(yield) { })", |
| 2196 | "yield = 1;", |
| 2197 | "var foo = yield = 1;", |
| 2198 | "++yield;", |
| 2199 | "yield++;", |
| 2200 | "yield *", |
| 2201 | "(yield *)", |
| 2202 | // Yield binds very loosely, so this parses as "yield (3 + yield 4)", which |
| 2203 | // is invalid. |
| 2204 | "yield 3 + yield 4;", |
| 2205 | "yield: 34", |
| 2206 | "yield ? 1 : 2", |
| 2207 | // Parses as yield (/ yield): invalid. |
| 2208 | "yield / yield", |
| 2209 | "+ yield", |
| 2210 | "+ yield 3", |
| 2211 | // Invalid (no newline allowed between yield and *). |
| 2212 | "yield\n*3", |
| 2213 | // Invalid (we see a newline, so we parse {yield:42} as a statement, not an |
| 2214 | // object literal, and yield is not a valid label). |
| 2215 | "yield\n{yield: 42}", |
| 2216 | "yield /* comment */\n {yield: 42}", |
| 2217 | "yield //comment\n {yield: 42}", |
| 2218 | NULL |
| 2219 | }; |
| 2220 | |
| 2221 | RunParserSyncTest(context_data, statement_data, kError); |
| 2222 | } |
| 2223 | |
| 2224 | |
| 2225 | TEST(ErrorsNameOfStrictFunction) { |
| 2226 | // Tests that illegal tokens as names of a strict function produce the correct |
| 2227 | // errors. |
| 2228 | const char* context_data[][2] = { |
| 2229 | { "function ", ""}, |
| 2230 | { "\"use strict\"; function", ""}, |
| 2231 | { "function * ", ""}, |
| 2232 | { "\"use strict\"; function * ", ""}, |
| 2233 | { NULL, NULL } |
| 2234 | }; |
| 2235 | |
| 2236 | const char* statement_data[] = { |
| 2237 | "eval() {\"use strict\";}", |
| 2238 | "arguments() {\"use strict\";}", |
| 2239 | "interface() {\"use strict\";}", |
| 2240 | "yield() {\"use strict\";}", |
| 2241 | // Future reserved words are always illegal |
| 2242 | "function super() { }", |
| 2243 | "function super() {\"use strict\";}", |
| 2244 | NULL |
| 2245 | }; |
| 2246 | |
| 2247 | RunParserSyncTest(context_data, statement_data, kError); |
| 2248 | } |
| 2249 | |
| 2250 | |
| 2251 | TEST(NoErrorsNameOfStrictFunction) { |
| 2252 | const char* context_data[][2] = { |
| 2253 | { "function ", ""}, |
| 2254 | { NULL, NULL } |
| 2255 | }; |
| 2256 | |
| 2257 | const char* statement_data[] = { |
| 2258 | "eval() { }", |
| 2259 | "arguments() { }", |
| 2260 | "interface() { }", |
| 2261 | "yield() { }", |
| 2262 | NULL |
| 2263 | }; |
| 2264 | |
| 2265 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2266 | } |
| 2267 | |
| 2268 | |
| 2269 | TEST(NoErrorsNameOfStrictGenerator) { |
| 2270 | const char* context_data[][2] = { |
| 2271 | { "function * ", ""}, |
| 2272 | { NULL, NULL } |
| 2273 | }; |
| 2274 | |
| 2275 | const char* statement_data[] = { |
| 2276 | "eval() { }", |
| 2277 | "arguments() { }", |
| 2278 | "interface() { }", |
| 2279 | "yield() { }", |
| 2280 | NULL |
| 2281 | }; |
| 2282 | |
| 2283 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2284 | } |
| 2285 | |
| 2286 | |
| 2287 | TEST(ErrorsIllegalWordsAsLabelsSloppy) { |
| 2288 | // Using future reserved words as labels is always an error. |
| 2289 | const char* context_data[][2] = { |
| 2290 | { "", ""}, |
| 2291 | { "function test_func() {", "}" }, |
| 2292 | { "() => {", "}" }, |
| 2293 | { NULL, NULL } |
| 2294 | }; |
| 2295 | |
| 2296 | const char* statement_data[] = { |
| 2297 | "super: while(true) { break super; }", |
| 2298 | NULL |
| 2299 | }; |
| 2300 | |
| 2301 | RunParserSyncTest(context_data, statement_data, kError); |
| 2302 | } |
| 2303 | |
| 2304 | |
| 2305 | TEST(ErrorsIllegalWordsAsLabelsStrict) { |
| 2306 | // Tests that illegal tokens as labels produce the correct errors. |
| 2307 | const char* context_data[][2] = { |
| 2308 | { "\"use strict\";", "" }, |
| 2309 | { "function test_func() {\"use strict\"; ", "}"}, |
| 2310 | { "() => {\"use strict\"; ", "}" }, |
| 2311 | { NULL, NULL } |
| 2312 | }; |
| 2313 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2314 | #define LABELLED_WHILE(NAME) #NAME ": while (true) { break " #NAME "; }", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2315 | const char* statement_data[] = { |
| 2316 | "super: while(true) { break super; }", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2317 | FUTURE_STRICT_RESERVED_WORDS(LABELLED_WHILE) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2318 | NULL |
| 2319 | }; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2320 | #undef LABELLED_WHILE |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2321 | |
| 2322 | RunParserSyncTest(context_data, statement_data, kError); |
| 2323 | } |
| 2324 | |
| 2325 | |
| 2326 | TEST(NoErrorsIllegalWordsAsLabels) { |
| 2327 | // Using eval and arguments as labels is legal even in strict mode. |
| 2328 | const char* context_data[][2] = { |
| 2329 | { "", ""}, |
| 2330 | { "function test_func() {", "}" }, |
| 2331 | { "() => {", "}" }, |
| 2332 | { "\"use strict\";", "" }, |
| 2333 | { "\"use strict\"; function test_func() {", "}" }, |
| 2334 | { "\"use strict\"; () => {", "}" }, |
| 2335 | { NULL, NULL } |
| 2336 | }; |
| 2337 | |
| 2338 | const char* statement_data[] = { |
| 2339 | "mylabel: while(true) { break mylabel; }", |
| 2340 | "eval: while(true) { break eval; }", |
| 2341 | "arguments: while(true) { break arguments; }", |
| 2342 | NULL |
| 2343 | }; |
| 2344 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2345 | static const ParserFlag always_flags[] = {kAllowHarmonyArrowFunctions}; |
| 2346 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 2347 | always_flags, arraysize(always_flags)); |
| 2348 | } |
| 2349 | |
| 2350 | |
| 2351 | TEST(NoErrorsFutureStrictReservedAsLabelsSloppy) { |
| 2352 | const char* context_data[][2] = { |
| 2353 | { "", ""}, |
| 2354 | { "function test_func() {", "}" }, |
| 2355 | { "() => {", "}" }, |
| 2356 | { NULL, NULL } |
| 2357 | }; |
| 2358 | |
| 2359 | #define LABELLED_WHILE(NAME) #NAME ": while (true) { break " #NAME "; }", |
| 2360 | const char* statement_data[] { |
| 2361 | FUTURE_STRICT_RESERVED_WORDS(LABELLED_WHILE) |
| 2362 | NULL |
| 2363 | }; |
| 2364 | #undef LABELLED_WHILE |
| 2365 | |
| 2366 | static const ParserFlag always_flags[] = {kAllowHarmonyArrowFunctions}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2367 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 2368 | always_flags, arraysize(always_flags)); |
| 2369 | } |
| 2370 | |
| 2371 | |
| 2372 | TEST(ErrorsParenthesizedLabels) { |
| 2373 | // Parenthesized identifiers shouldn't be recognized as labels. |
| 2374 | const char* context_data[][2] = { |
| 2375 | { "", ""}, |
| 2376 | { "function test_func() {", "}" }, |
| 2377 | { "() => {", "}" }, |
| 2378 | { NULL, NULL } |
| 2379 | }; |
| 2380 | |
| 2381 | const char* statement_data[] = { |
| 2382 | "(mylabel): while(true) { break mylabel; }", |
| 2383 | NULL |
| 2384 | }; |
| 2385 | |
| 2386 | RunParserSyncTest(context_data, statement_data, kError); |
| 2387 | } |
| 2388 | |
| 2389 | |
| 2390 | TEST(NoErrorsParenthesizedDirectivePrologue) { |
| 2391 | // Parenthesized directive prologue shouldn't be recognized. |
| 2392 | const char* context_data[][2] = { |
| 2393 | { "", ""}, |
| 2394 | { NULL, NULL } |
| 2395 | }; |
| 2396 | |
| 2397 | const char* statement_data[] = { |
| 2398 | "(\"use strict\"); var eval;", |
| 2399 | NULL |
| 2400 | }; |
| 2401 | |
| 2402 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2403 | } |
| 2404 | |
| 2405 | |
| 2406 | TEST(ErrorsNotAnIdentifierName) { |
| 2407 | const char* context_data[][2] = { |
| 2408 | { "", ""}, |
| 2409 | { "\"use strict\";", ""}, |
| 2410 | { NULL, NULL } |
| 2411 | }; |
| 2412 | |
| 2413 | const char* statement_data[] = { |
| 2414 | "var foo = {}; foo.{;", |
| 2415 | "var foo = {}; foo.};", |
| 2416 | "var foo = {}; foo.=;", |
| 2417 | "var foo = {}; foo.888;", |
| 2418 | "var foo = {}; foo.-;", |
| 2419 | "var foo = {}; foo.--;", |
| 2420 | NULL |
| 2421 | }; |
| 2422 | |
| 2423 | RunParserSyncTest(context_data, statement_data, kError); |
| 2424 | } |
| 2425 | |
| 2426 | |
| 2427 | TEST(NoErrorsIdentifierNames) { |
| 2428 | // Keywords etc. are valid as property names. |
| 2429 | const char* context_data[][2] = { |
| 2430 | { "", ""}, |
| 2431 | { "\"use strict\";", ""}, |
| 2432 | { NULL, NULL } |
| 2433 | }; |
| 2434 | |
| 2435 | const char* statement_data[] = { |
| 2436 | "var foo = {}; foo.if;", |
| 2437 | "var foo = {}; foo.yield;", |
| 2438 | "var foo = {}; foo.super;", |
| 2439 | "var foo = {}; foo.interface;", |
| 2440 | "var foo = {}; foo.eval;", |
| 2441 | "var foo = {}; foo.arguments;", |
| 2442 | NULL |
| 2443 | }; |
| 2444 | |
| 2445 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2446 | } |
| 2447 | |
| 2448 | |
| 2449 | TEST(DontRegressPreParserDataSizes) { |
| 2450 | // These tests make sure that Parser doesn't start producing less "preparse |
| 2451 | // data" (data which the embedder can cache). |
| 2452 | v8::V8::Initialize(); |
| 2453 | v8::Isolate* isolate = CcTest::isolate(); |
| 2454 | v8::HandleScope handles(isolate); |
| 2455 | |
| 2456 | CcTest::i_isolate()->stack_guard()->SetStackLimit( |
| 2457 | i::GetCurrentStackPosition() - 128 * 1024); |
| 2458 | |
| 2459 | struct TestCase { |
| 2460 | const char* program; |
| 2461 | int functions; |
| 2462 | } test_cases[] = { |
| 2463 | // No functions. |
| 2464 | {"var x = 42;", 0}, |
| 2465 | // Functions. |
| 2466 | {"function foo() {}", 1}, {"function foo() {} function bar() {}", 2}, |
| 2467 | // Getter / setter functions are recorded as functions if they're on the top |
| 2468 | // level. |
| 2469 | {"var x = {get foo(){} };", 1}, |
| 2470 | // Functions insize lazy functions are not recorded. |
| 2471 | {"function lazy() { function a() {} function b() {} function c() {} }", 1}, |
| 2472 | {"function lazy() { var x = {get foo(){} } }", 1}, |
| 2473 | {NULL, 0} |
| 2474 | }; |
| 2475 | |
| 2476 | for (int i = 0; test_cases[i].program; i++) { |
| 2477 | const char* program = test_cases[i].program; |
| 2478 | i::Factory* factory = CcTest::i_isolate()->factory(); |
| 2479 | i::Handle<i::String> source = |
| 2480 | factory->NewStringFromUtf8(i::CStrVector(program)).ToHandleChecked(); |
| 2481 | i::Handle<i::Script> script = factory->NewScript(source); |
| 2482 | i::CompilationInfoWithZone info(script); |
| 2483 | i::ScriptData* sd = NULL; |
| 2484 | info.SetCachedData(&sd, v8::ScriptCompiler::kProduceParserCache); |
| 2485 | i::Parser::Parse(&info, true); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2486 | i::ParseData* pd = i::ParseData::FromCachedData(sd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2487 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2488 | if (pd->FunctionCount() != test_cases[i].functions) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2489 | v8::base::OS::Print( |
| 2490 | "Expected preparse data for program:\n" |
| 2491 | "\t%s\n" |
| 2492 | "to contain %d functions, however, received %d functions.\n", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2493 | program, test_cases[i].functions, pd->FunctionCount()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2494 | CHECK(false); |
| 2495 | } |
| 2496 | delete sd; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2497 | delete pd; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2498 | } |
| 2499 | } |
| 2500 | |
| 2501 | |
| 2502 | TEST(FunctionDeclaresItselfStrict) { |
| 2503 | // Tests that we produce the right kinds of errors when a function declares |
| 2504 | // itself strict (we cannot produce there errors as soon as we see the |
| 2505 | // offending identifiers, because we don't know at that point whether the |
| 2506 | // function is strict or not). |
| 2507 | const char* context_data[][2] = { |
| 2508 | {"function eval() {", "}"}, |
| 2509 | {"function arguments() {", "}"}, |
| 2510 | {"function yield() {", "}"}, |
| 2511 | {"function interface() {", "}"}, |
| 2512 | {"function foo(eval) {", "}"}, |
| 2513 | {"function foo(arguments) {", "}"}, |
| 2514 | {"function foo(yield) {", "}"}, |
| 2515 | {"function foo(interface) {", "}"}, |
| 2516 | {"function foo(bar, eval) {", "}"}, |
| 2517 | {"function foo(bar, arguments) {", "}"}, |
| 2518 | {"function foo(bar, yield) {", "}"}, |
| 2519 | {"function foo(bar, interface) {", "}"}, |
| 2520 | {"function foo(bar, bar) {", "}"}, |
| 2521 | { NULL, NULL } |
| 2522 | }; |
| 2523 | |
| 2524 | const char* strict_statement_data[] = { |
| 2525 | "\"use strict\";", |
| 2526 | NULL |
| 2527 | }; |
| 2528 | |
| 2529 | const char* non_strict_statement_data[] = { |
| 2530 | ";", |
| 2531 | NULL |
| 2532 | }; |
| 2533 | |
| 2534 | RunParserSyncTest(context_data, strict_statement_data, kError); |
| 2535 | RunParserSyncTest(context_data, non_strict_statement_data, kSuccess); |
| 2536 | } |
| 2537 | |
| 2538 | |
| 2539 | TEST(ErrorsTryWithoutCatchOrFinally) { |
| 2540 | const char* context_data[][2] = { |
| 2541 | {"", ""}, |
| 2542 | { NULL, NULL } |
| 2543 | }; |
| 2544 | |
| 2545 | const char* statement_data[] = { |
| 2546 | "try { }", |
| 2547 | "try { } foo();", |
| 2548 | "try { } catch (e) foo();", |
| 2549 | "try { } catch { }", |
| 2550 | "try { } finally foo();", |
| 2551 | NULL |
| 2552 | }; |
| 2553 | |
| 2554 | RunParserSyncTest(context_data, statement_data, kError); |
| 2555 | } |
| 2556 | |
| 2557 | |
| 2558 | TEST(NoErrorsTryCatchFinally) { |
| 2559 | const char* context_data[][2] = { |
| 2560 | {"", ""}, |
| 2561 | { NULL, NULL } |
| 2562 | }; |
| 2563 | |
| 2564 | const char* statement_data[] = { |
| 2565 | "try { } catch (e) { }", |
| 2566 | "try { } catch (e) { } finally { }", |
| 2567 | "try { } finally { }", |
| 2568 | NULL |
| 2569 | }; |
| 2570 | |
| 2571 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2572 | } |
| 2573 | |
| 2574 | |
| 2575 | TEST(ErrorsRegexpLiteral) { |
| 2576 | const char* context_data[][2] = { |
| 2577 | {"var r = ", ""}, |
| 2578 | { NULL, NULL } |
| 2579 | }; |
| 2580 | |
| 2581 | const char* statement_data[] = { |
| 2582 | "/unterminated", |
| 2583 | NULL |
| 2584 | }; |
| 2585 | |
| 2586 | RunParserSyncTest(context_data, statement_data, kError); |
| 2587 | } |
| 2588 | |
| 2589 | |
| 2590 | TEST(NoErrorsRegexpLiteral) { |
| 2591 | const char* context_data[][2] = { |
| 2592 | {"var r = ", ""}, |
| 2593 | { NULL, NULL } |
| 2594 | }; |
| 2595 | |
| 2596 | const char* statement_data[] = { |
| 2597 | "/foo/", |
| 2598 | "/foo/g", |
| 2599 | "/foo/whatever", // This is an error but not detected by the parser. |
| 2600 | NULL |
| 2601 | }; |
| 2602 | |
| 2603 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2604 | } |
| 2605 | |
| 2606 | |
| 2607 | TEST(Intrinsics) { |
| 2608 | const char* context_data[][2] = { |
| 2609 | {"", ""}, |
| 2610 | { NULL, NULL } |
| 2611 | }; |
| 2612 | |
| 2613 | const char* statement_data[] = { |
| 2614 | "%someintrinsic(arg)", |
| 2615 | NULL |
| 2616 | }; |
| 2617 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2618 | // This test requires kAllowNatives to succeed. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2619 | static const ParserFlag always_true_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2620 | kAllowNatives |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2621 | }; |
| 2622 | |
| 2623 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 2624 | always_true_flags, 1); |
| 2625 | } |
| 2626 | |
| 2627 | |
| 2628 | TEST(NoErrorsNewExpression) { |
| 2629 | const char* context_data[][2] = { |
| 2630 | {"", ""}, |
| 2631 | {"var f =", ""}, |
| 2632 | { NULL, NULL } |
| 2633 | }; |
| 2634 | |
| 2635 | const char* statement_data[] = { |
| 2636 | "new foo", |
| 2637 | "new foo();", |
| 2638 | "new foo(1);", |
| 2639 | "new foo(1, 2);", |
| 2640 | // The first () will be processed as a part of the NewExpression and the |
| 2641 | // second () will be processed as part of LeftHandSideExpression. |
| 2642 | "new foo()();", |
| 2643 | // The first () will be processed as a part of the inner NewExpression and |
| 2644 | // the second () will be processed as a part of the outer NewExpression. |
| 2645 | "new new foo()();", |
| 2646 | "new foo.bar;", |
| 2647 | "new foo.bar();", |
| 2648 | "new foo.bar.baz;", |
| 2649 | "new foo.bar().baz;", |
| 2650 | "new foo[bar];", |
| 2651 | "new foo[bar]();", |
| 2652 | "new foo[bar][baz];", |
| 2653 | "new foo[bar]()[baz];", |
| 2654 | "new foo[bar].baz(baz)()[bar].baz;", |
| 2655 | "new \"foo\"", // Runtime error |
| 2656 | "new 1", // Runtime error |
| 2657 | // This even runs: |
| 2658 | "(new new Function(\"this.x = 1\")).x;", |
| 2659 | "new new Test_Two(String, 2).v(0123).length;", |
| 2660 | NULL |
| 2661 | }; |
| 2662 | |
| 2663 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2664 | } |
| 2665 | |
| 2666 | |
| 2667 | TEST(ErrorsNewExpression) { |
| 2668 | const char* context_data[][2] = { |
| 2669 | {"", ""}, |
| 2670 | {"var f =", ""}, |
| 2671 | { NULL, NULL } |
| 2672 | }; |
| 2673 | |
| 2674 | const char* statement_data[] = { |
| 2675 | "new foo bar", |
| 2676 | "new ) foo", |
| 2677 | "new ++foo", |
| 2678 | "new foo ++", |
| 2679 | NULL |
| 2680 | }; |
| 2681 | |
| 2682 | RunParserSyncTest(context_data, statement_data, kError); |
| 2683 | } |
| 2684 | |
| 2685 | |
| 2686 | TEST(StrictObjectLiteralChecking) { |
| 2687 | const char* strict_context_data[][2] = { |
| 2688 | {"\"use strict\"; var myobject = {", "};"}, |
| 2689 | {"\"use strict\"; var myobject = {", ",};"}, |
| 2690 | { NULL, NULL } |
| 2691 | }; |
| 2692 | const char* non_strict_context_data[][2] = { |
| 2693 | {"var myobject = {", "};"}, |
| 2694 | {"var myobject = {", ",};"}, |
| 2695 | { NULL, NULL } |
| 2696 | }; |
| 2697 | |
| 2698 | // These are only errors in strict mode. |
| 2699 | const char* statement_data[] = { |
| 2700 | "foo: 1, foo: 2", |
| 2701 | "\"foo\": 1, \"foo\": 2", |
| 2702 | "foo: 1, \"foo\": 2", |
| 2703 | "1: 1, 1: 2", |
| 2704 | "1: 1, \"1\": 2", |
| 2705 | "get: 1, get: 2", // Not a getter for real, just a property called get. |
| 2706 | "set: 1, set: 2", // Not a setter for real, just a property called set. |
| 2707 | NULL |
| 2708 | }; |
| 2709 | |
| 2710 | RunParserSyncTest(non_strict_context_data, statement_data, kSuccess); |
| 2711 | RunParserSyncTest(strict_context_data, statement_data, kError); |
| 2712 | } |
| 2713 | |
| 2714 | |
| 2715 | TEST(ErrorsObjectLiteralChecking) { |
| 2716 | const char* context_data[][2] = { |
| 2717 | {"\"use strict\"; var myobject = {", "};"}, |
| 2718 | {"var myobject = {", "};"}, |
| 2719 | { NULL, NULL } |
| 2720 | }; |
| 2721 | |
| 2722 | const char* statement_data[] = { |
| 2723 | ",", |
| 2724 | "foo: 1, get foo() {}", |
| 2725 | "foo: 1, set foo(v) {}", |
| 2726 | "\"foo\": 1, get \"foo\"() {}", |
| 2727 | "\"foo\": 1, set \"foo\"(v) {}", |
| 2728 | "1: 1, get 1() {}", |
| 2729 | "1: 1, set 1() {}", |
| 2730 | "get foo() {}, get foo() {}", |
| 2731 | "set foo(_) {}, set foo(_) {}", |
| 2732 | // It's counter-intuitive, but these collide too (even in classic |
| 2733 | // mode). Note that we can have "foo" and foo as properties in classic |
| 2734 | // mode, |
| 2735 | // but we cannot have "foo" and get foo, or foo and get "foo". |
| 2736 | "foo: 1, get \"foo\"() {}", |
| 2737 | "foo: 1, set \"foo\"(v) {}", |
| 2738 | "\"foo\": 1, get foo() {}", |
| 2739 | "\"foo\": 1, set foo(v) {}", |
| 2740 | "1: 1, get \"1\"() {}", |
| 2741 | "1: 1, set \"1\"() {}", |
| 2742 | "\"1\": 1, get 1() {}" |
| 2743 | "\"1\": 1, set 1(v) {}" |
| 2744 | // Wrong number of parameters |
| 2745 | "get bar(x) {}", |
| 2746 | "get bar(x, y) {}", |
| 2747 | "set bar() {}", |
| 2748 | "set bar(x, y) {}", |
| 2749 | // Parsing FunctionLiteral for getter or setter fails |
| 2750 | "get foo( +", |
| 2751 | "get foo() \"error\"", |
| 2752 | NULL}; |
| 2753 | |
| 2754 | RunParserSyncTest(context_data, statement_data, kError); |
| 2755 | } |
| 2756 | |
| 2757 | |
| 2758 | TEST(NoErrorsObjectLiteralChecking) { |
| 2759 | const char* context_data[][2] = { |
| 2760 | {"var myobject = {", "};"}, |
| 2761 | {"var myobject = {", ",};"}, |
| 2762 | {"\"use strict\"; var myobject = {", "};"}, |
| 2763 | {"\"use strict\"; var myobject = {", ",};"}, |
| 2764 | { NULL, NULL } |
| 2765 | }; |
| 2766 | |
| 2767 | const char* statement_data[] = { |
| 2768 | "foo: 1, bar: 2", |
| 2769 | "\"foo\": 1, \"bar\": 2", |
| 2770 | "1: 1, 2: 2", |
| 2771 | // Syntax: IdentifierName ':' AssignmentExpression |
| 2772 | "foo: bar = 5 + baz", |
| 2773 | // Syntax: 'get' PropertyName '(' ')' '{' FunctionBody '}' |
| 2774 | "get foo() {}", |
| 2775 | "get \"foo\"() {}", |
| 2776 | "get 1() {}", |
| 2777 | // Syntax: 'set' PropertyName '(' PropertySetParameterList ')' |
| 2778 | // '{' FunctionBody '}' |
| 2779 | "set foo(v) {}", |
| 2780 | "set \"foo\"(v) {}", |
| 2781 | "set 1(v) {}", |
| 2782 | // Non-colliding getters and setters -> no errors |
| 2783 | "foo: 1, get bar() {}", |
| 2784 | "foo: 1, set bar(v) {}", |
| 2785 | "\"foo\": 1, get \"bar\"() {}", |
| 2786 | "\"foo\": 1, set \"bar\"(v) {}", |
| 2787 | "1: 1, get 2() {}", |
| 2788 | "1: 1, set 2(v) {}", |
| 2789 | "get: 1, get foo() {}", |
| 2790 | "set: 1, set foo(_) {}", |
| 2791 | // Keywords, future reserved and strict future reserved are also allowed as |
| 2792 | // property names. |
| 2793 | "if: 4", |
| 2794 | "interface: 5", |
| 2795 | "super: 6", |
| 2796 | "eval: 7", |
| 2797 | "arguments: 8", |
| 2798 | NULL |
| 2799 | }; |
| 2800 | |
| 2801 | RunParserSyncTest(context_data, statement_data, kSuccess); |
| 2802 | } |
| 2803 | |
| 2804 | |
| 2805 | TEST(TooManyArguments) { |
| 2806 | const char* context_data[][2] = { |
| 2807 | {"foo(", "0)"}, |
| 2808 | { NULL, NULL } |
| 2809 | }; |
| 2810 | |
| 2811 | using v8::internal::Code; |
| 2812 | char statement[Code::kMaxArguments * 2 + 1]; |
| 2813 | for (int i = 0; i < Code::kMaxArguments; ++i) { |
| 2814 | statement[2 * i] = '0'; |
| 2815 | statement[2 * i + 1] = ','; |
| 2816 | } |
| 2817 | statement[Code::kMaxArguments * 2] = 0; |
| 2818 | |
| 2819 | const char* statement_data[] = { |
| 2820 | statement, |
| 2821 | NULL |
| 2822 | }; |
| 2823 | |
| 2824 | // The test is quite slow, so run it with a reduced set of flags. |
| 2825 | static const ParserFlag empty_flags[] = {kAllowLazy}; |
| 2826 | RunParserSyncTest(context_data, statement_data, kError, empty_flags, 1); |
| 2827 | } |
| 2828 | |
| 2829 | |
| 2830 | TEST(StrictDelete) { |
| 2831 | // "delete <Identifier>" is not allowed in strict mode. |
| 2832 | const char* strict_context_data[][2] = { |
| 2833 | {"\"use strict\"; ", ""}, |
| 2834 | { NULL, NULL } |
| 2835 | }; |
| 2836 | |
| 2837 | const char* sloppy_context_data[][2] = { |
| 2838 | {"", ""}, |
| 2839 | { NULL, NULL } |
| 2840 | }; |
| 2841 | |
| 2842 | // These are errors in the strict mode. |
| 2843 | const char* sloppy_statement_data[] = { |
| 2844 | "delete foo;", |
| 2845 | "delete foo + 1;", |
| 2846 | "delete (foo);", |
| 2847 | "delete eval;", |
| 2848 | "delete interface;", |
| 2849 | NULL |
| 2850 | }; |
| 2851 | |
| 2852 | // These are always OK |
| 2853 | const char* good_statement_data[] = { |
| 2854 | "delete this;", |
| 2855 | "delete 1;", |
| 2856 | "delete 1 + 2;", |
| 2857 | "delete foo();", |
| 2858 | "delete foo.bar;", |
| 2859 | "delete foo[bar];", |
| 2860 | "delete foo--;", |
| 2861 | "delete --foo;", |
| 2862 | "delete new foo();", |
| 2863 | "delete new foo(bar);", |
| 2864 | NULL |
| 2865 | }; |
| 2866 | |
| 2867 | // These are always errors |
| 2868 | const char* bad_statement_data[] = { |
| 2869 | "delete if;", |
| 2870 | NULL |
| 2871 | }; |
| 2872 | |
| 2873 | RunParserSyncTest(strict_context_data, sloppy_statement_data, kError); |
| 2874 | RunParserSyncTest(sloppy_context_data, sloppy_statement_data, kSuccess); |
| 2875 | |
| 2876 | RunParserSyncTest(strict_context_data, good_statement_data, kSuccess); |
| 2877 | RunParserSyncTest(sloppy_context_data, good_statement_data, kSuccess); |
| 2878 | |
| 2879 | RunParserSyncTest(strict_context_data, bad_statement_data, kError); |
| 2880 | RunParserSyncTest(sloppy_context_data, bad_statement_data, kError); |
| 2881 | } |
| 2882 | |
| 2883 | |
| 2884 | TEST(InvalidLeftHandSide) { |
| 2885 | const char* assignment_context_data[][2] = { |
| 2886 | {"", " = 1;"}, |
| 2887 | {"\"use strict\"; ", " = 1;"}, |
| 2888 | { NULL, NULL } |
| 2889 | }; |
| 2890 | |
| 2891 | const char* prefix_context_data[][2] = { |
| 2892 | {"++", ";"}, |
| 2893 | {"\"use strict\"; ++", ";"}, |
| 2894 | {NULL, NULL}, |
| 2895 | }; |
| 2896 | |
| 2897 | const char* postfix_context_data[][2] = { |
| 2898 | {"", "++;"}, |
| 2899 | {"\"use strict\"; ", "++;"}, |
| 2900 | { NULL, NULL } |
| 2901 | }; |
| 2902 | |
| 2903 | // Good left hand sides for assigment or prefix / postfix operations. |
| 2904 | const char* good_statement_data[] = { |
| 2905 | "foo", |
| 2906 | "foo.bar", |
| 2907 | "foo[bar]", |
| 2908 | "foo()[bar]", |
| 2909 | "foo().bar", |
| 2910 | "this.foo", |
| 2911 | "this[foo]", |
| 2912 | "new foo()[bar]", |
| 2913 | "new foo().bar", |
| 2914 | "foo()", |
| 2915 | "foo(bar)", |
| 2916 | "foo[bar]()", |
| 2917 | "foo.bar()", |
| 2918 | "this()", |
| 2919 | "this.foo()", |
| 2920 | "this[foo].bar()", |
| 2921 | "this.foo[foo].bar(this)(bar)[foo]()", |
| 2922 | NULL |
| 2923 | }; |
| 2924 | |
| 2925 | // Bad left hand sides for assigment or prefix / postfix operations. |
| 2926 | const char* bad_statement_data_common[] = { |
| 2927 | "2", |
| 2928 | "new foo", |
| 2929 | "new foo()", |
| 2930 | "null", |
| 2931 | "if", // Unexpected token |
| 2932 | "{x: 1}", // Unexpected token |
| 2933 | "this", |
| 2934 | "\"bar\"", |
| 2935 | "(foo + bar)", |
| 2936 | "new new foo()[bar]", // means: new (new foo()[bar]) |
| 2937 | "new new foo().bar", // means: new (new foo()[bar]) |
| 2938 | NULL |
| 2939 | }; |
| 2940 | |
| 2941 | // These are not okay for assignment, but okay for prefix / postix. |
| 2942 | const char* bad_statement_data_for_assignment[] = { |
| 2943 | "++foo", |
| 2944 | "foo++", |
| 2945 | "foo + bar", |
| 2946 | NULL |
| 2947 | }; |
| 2948 | |
| 2949 | RunParserSyncTest(assignment_context_data, good_statement_data, kSuccess); |
| 2950 | RunParserSyncTest(assignment_context_data, bad_statement_data_common, kError); |
| 2951 | RunParserSyncTest(assignment_context_data, bad_statement_data_for_assignment, |
| 2952 | kError); |
| 2953 | |
| 2954 | RunParserSyncTest(prefix_context_data, good_statement_data, kSuccess); |
| 2955 | RunParserSyncTest(prefix_context_data, bad_statement_data_common, kError); |
| 2956 | |
| 2957 | RunParserSyncTest(postfix_context_data, good_statement_data, kSuccess); |
| 2958 | RunParserSyncTest(postfix_context_data, bad_statement_data_common, kError); |
| 2959 | } |
| 2960 | |
| 2961 | |
| 2962 | TEST(FuncNameInferrerBasic) { |
| 2963 | // Tests that function names are inferred properly. |
| 2964 | i::FLAG_allow_natives_syntax = true; |
| 2965 | v8::Isolate* isolate = CcTest::isolate(); |
| 2966 | v8::HandleScope scope(isolate); |
| 2967 | LocalContext env; |
| 2968 | CompileRun("var foo1 = function() {}; " |
| 2969 | "var foo2 = function foo3() {}; " |
| 2970 | "function not_ctor() { " |
| 2971 | " var foo4 = function() {}; " |
| 2972 | " return %FunctionGetInferredName(foo4); " |
| 2973 | "} " |
| 2974 | "function Ctor() { " |
| 2975 | " var foo5 = function() {}; " |
| 2976 | " return %FunctionGetInferredName(foo5); " |
| 2977 | "} " |
| 2978 | "var obj1 = { foo6: function() {} }; " |
| 2979 | "var obj2 = { 'foo7': function() {} }; " |
| 2980 | "var obj3 = {}; " |
| 2981 | "obj3[1] = function() {}; " |
| 2982 | "var obj4 = {}; " |
| 2983 | "obj4[1] = function foo8() {}; " |
| 2984 | "var obj5 = {}; " |
| 2985 | "obj5['foo9'] = function() {}; " |
| 2986 | "var obj6 = { obj7 : { foo10: function() {} } };"); |
| 2987 | ExpectString("%FunctionGetInferredName(foo1)", "foo1"); |
| 2988 | // foo2 is not unnamed -> its name is not inferred. |
| 2989 | ExpectString("%FunctionGetInferredName(foo2)", ""); |
| 2990 | ExpectString("not_ctor()", "foo4"); |
| 2991 | ExpectString("Ctor()", "Ctor.foo5"); |
| 2992 | ExpectString("%FunctionGetInferredName(obj1.foo6)", "obj1.foo6"); |
| 2993 | ExpectString("%FunctionGetInferredName(obj2.foo7)", "obj2.foo7"); |
| 2994 | ExpectString("%FunctionGetInferredName(obj3[1])", |
| 2995 | "obj3.(anonymous function)"); |
| 2996 | ExpectString("%FunctionGetInferredName(obj4[1])", ""); |
| 2997 | ExpectString("%FunctionGetInferredName(obj5['foo9'])", "obj5.foo9"); |
| 2998 | ExpectString("%FunctionGetInferredName(obj6.obj7.foo10)", "obj6.obj7.foo10"); |
| 2999 | } |
| 3000 | |
| 3001 | |
| 3002 | TEST(FuncNameInferrerTwoByte) { |
| 3003 | // Tests function name inferring in cases where some parts of the inferred |
| 3004 | // function name are two-byte strings. |
| 3005 | i::FLAG_allow_natives_syntax = true; |
| 3006 | v8::Isolate* isolate = CcTest::isolate(); |
| 3007 | v8::HandleScope scope(isolate); |
| 3008 | LocalContext env; |
| 3009 | uint16_t* two_byte_source = AsciiToTwoByteString( |
| 3010 | "var obj1 = { oXj2 : { foo1: function() {} } }; " |
| 3011 | "%FunctionGetInferredName(obj1.oXj2.foo1)"); |
| 3012 | uint16_t* two_byte_name = AsciiToTwoByteString("obj1.oXj2.foo1"); |
| 3013 | // Make it really non-Latin1 (replace the Xs with a non-Latin1 character). |
| 3014 | two_byte_source[14] = two_byte_source[78] = two_byte_name[6] = 0x010d; |
| 3015 | v8::Local<v8::String> source = |
| 3016 | v8::String::NewFromTwoByte(isolate, two_byte_source); |
| 3017 | v8::Local<v8::Value> result = CompileRun(source); |
| 3018 | CHECK(result->IsString()); |
| 3019 | v8::Local<v8::String> expected_name = |
| 3020 | v8::String::NewFromTwoByte(isolate, two_byte_name); |
| 3021 | CHECK(result->Equals(expected_name)); |
| 3022 | i::DeleteArray(two_byte_source); |
| 3023 | i::DeleteArray(two_byte_name); |
| 3024 | } |
| 3025 | |
| 3026 | |
| 3027 | TEST(FuncNameInferrerEscaped) { |
| 3028 | // The same as FuncNameInferrerTwoByte, except that we express the two-byte |
| 3029 | // character as a unicode escape. |
| 3030 | i::FLAG_allow_natives_syntax = true; |
| 3031 | v8::Isolate* isolate = CcTest::isolate(); |
| 3032 | v8::HandleScope scope(isolate); |
| 3033 | LocalContext env; |
| 3034 | uint16_t* two_byte_source = AsciiToTwoByteString( |
| 3035 | "var obj1 = { o\\u010dj2 : { foo1: function() {} } }; " |
| 3036 | "%FunctionGetInferredName(obj1.o\\u010dj2.foo1)"); |
| 3037 | uint16_t* two_byte_name = AsciiToTwoByteString("obj1.oXj2.foo1"); |
| 3038 | // Fix to correspond to the non-ASCII name in two_byte_source. |
| 3039 | two_byte_name[6] = 0x010d; |
| 3040 | v8::Local<v8::String> source = |
| 3041 | v8::String::NewFromTwoByte(isolate, two_byte_source); |
| 3042 | v8::Local<v8::Value> result = CompileRun(source); |
| 3043 | CHECK(result->IsString()); |
| 3044 | v8::Local<v8::String> expected_name = |
| 3045 | v8::String::NewFromTwoByte(isolate, two_byte_name); |
| 3046 | CHECK(result->Equals(expected_name)); |
| 3047 | i::DeleteArray(two_byte_source); |
| 3048 | i::DeleteArray(two_byte_name); |
| 3049 | } |
| 3050 | |
| 3051 | |
| 3052 | TEST(RegressionLazyFunctionWithErrorWithArg) { |
| 3053 | // The bug occurred when a lazy function had an error which requires a |
| 3054 | // parameter (such as "unknown label" here). The error message was processed |
| 3055 | // before the AstValueFactory containing the error message string was |
| 3056 | // internalized. |
| 3057 | v8::Isolate* isolate = CcTest::isolate(); |
| 3058 | v8::HandleScope scope(isolate); |
| 3059 | LocalContext env; |
| 3060 | i::FLAG_lazy = true; |
| 3061 | i::FLAG_min_preparse_length = 0; |
| 3062 | CompileRun("function this_is_lazy() {\n" |
| 3063 | " break p;\n" |
| 3064 | "}\n" |
| 3065 | "this_is_lazy();\n"); |
| 3066 | } |
| 3067 | |
| 3068 | |
| 3069 | TEST(SerializationOfMaybeAssignmentFlag) { |
| 3070 | i::Isolate* isolate = CcTest::i_isolate(); |
| 3071 | i::Factory* factory = isolate->factory(); |
| 3072 | i::HandleScope scope(isolate); |
| 3073 | LocalContext env; |
| 3074 | |
| 3075 | const char* src = |
| 3076 | "function h() {" |
| 3077 | " var result = [];" |
| 3078 | " function f() {" |
| 3079 | " result.push(2);" |
| 3080 | " }" |
| 3081 | " function assertResult(r) {" |
| 3082 | " f();" |
| 3083 | " result = [];" |
| 3084 | " }" |
| 3085 | " assertResult([2]);" |
| 3086 | " assertResult([2]);" |
| 3087 | " return f;" |
| 3088 | "};" |
| 3089 | "h();"; |
| 3090 | |
| 3091 | i::ScopedVector<char> program(Utf8LengthHelper(src) + 1); |
| 3092 | i::SNPrintF(program, "%s", src); |
| 3093 | i::Handle<i::String> source = factory->InternalizeUtf8String(program.start()); |
| 3094 | source->PrintOn(stdout); |
| 3095 | printf("\n"); |
| 3096 | i::Zone zone(isolate); |
| 3097 | v8::Local<v8::Value> v = CompileRun(src); |
| 3098 | i::Handle<i::Object> o = v8::Utils::OpenHandle(*v); |
| 3099 | i::Handle<i::JSFunction> f = i::Handle<i::JSFunction>::cast(o); |
| 3100 | i::Context* context = f->context(); |
| 3101 | i::AstValueFactory avf(&zone, isolate->heap()->HashSeed()); |
| 3102 | avf.Internalize(isolate); |
| 3103 | const i::AstRawString* name = avf.GetOneByteString("result"); |
| 3104 | i::Handle<i::String> str = name->string(); |
| 3105 | CHECK(str->IsInternalizedString()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3106 | i::Scope* script_scope = |
| 3107 | new (&zone) i::Scope(NULL, i::SCRIPT_SCOPE, &avf, &zone); |
| 3108 | script_scope->Initialize(); |
| 3109 | i::Scope* s = i::Scope::DeserializeScopeChain(context, script_scope, &zone); |
| 3110 | DCHECK(s != script_scope); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3111 | DCHECK(name != NULL); |
| 3112 | |
| 3113 | // Get result from h's function context (that is f's context) |
| 3114 | i::Variable* var = s->Lookup(name); |
| 3115 | |
| 3116 | CHECK(var != NULL); |
| 3117 | // Maybe assigned should survive deserialization |
| 3118 | CHECK(var->maybe_assigned() == i::kMaybeAssigned); |
| 3119 | // TODO(sigurds) Figure out if is_used should survive context serialization. |
| 3120 | } |
| 3121 | |
| 3122 | |
| 3123 | TEST(IfArgumentsArrayAccessedThenParametersMaybeAssigned) { |
| 3124 | i::Isolate* isolate = CcTest::i_isolate(); |
| 3125 | i::Factory* factory = isolate->factory(); |
| 3126 | i::HandleScope scope(isolate); |
| 3127 | LocalContext env; |
| 3128 | |
| 3129 | |
| 3130 | const char* src = |
| 3131 | "function f(x) {" |
| 3132 | " var a = arguments;" |
| 3133 | " function g(i) {" |
| 3134 | " ++a[0];" |
| 3135 | " };" |
| 3136 | " return g;" |
| 3137 | " }" |
| 3138 | "f(0);"; |
| 3139 | |
| 3140 | i::ScopedVector<char> program(Utf8LengthHelper(src) + 1); |
| 3141 | i::SNPrintF(program, "%s", src); |
| 3142 | i::Handle<i::String> source = factory->InternalizeUtf8String(program.start()); |
| 3143 | source->PrintOn(stdout); |
| 3144 | printf("\n"); |
| 3145 | i::Zone zone(isolate); |
| 3146 | v8::Local<v8::Value> v = CompileRun(src); |
| 3147 | i::Handle<i::Object> o = v8::Utils::OpenHandle(*v); |
| 3148 | i::Handle<i::JSFunction> f = i::Handle<i::JSFunction>::cast(o); |
| 3149 | i::Context* context = f->context(); |
| 3150 | i::AstValueFactory avf(&zone, isolate->heap()->HashSeed()); |
| 3151 | avf.Internalize(isolate); |
| 3152 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3153 | i::Scope* script_scope = |
| 3154 | new (&zone) i::Scope(NULL, i::SCRIPT_SCOPE, &avf, &zone); |
| 3155 | script_scope->Initialize(); |
| 3156 | i::Scope* s = i::Scope::DeserializeScopeChain(context, script_scope, &zone); |
| 3157 | DCHECK(s != script_scope); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3158 | const i::AstRawString* name_x = avf.GetOneByteString("x"); |
| 3159 | |
| 3160 | // Get result from f's function context (that is g's outer context) |
| 3161 | i::Variable* var_x = s->Lookup(name_x); |
| 3162 | CHECK(var_x != NULL); |
| 3163 | CHECK(var_x->maybe_assigned() == i::kMaybeAssigned); |
| 3164 | } |
| 3165 | |
| 3166 | |
| 3167 | TEST(ExportsMaybeAssigned) { |
| 3168 | i::FLAG_use_strict = true; |
| 3169 | i::FLAG_harmony_scoping = true; |
| 3170 | i::FLAG_harmony_modules = true; |
| 3171 | |
| 3172 | i::Isolate* isolate = CcTest::i_isolate(); |
| 3173 | i::Factory* factory = isolate->factory(); |
| 3174 | i::HandleScope scope(isolate); |
| 3175 | LocalContext env; |
| 3176 | |
| 3177 | const char* src = |
| 3178 | "module A {" |
| 3179 | " export var x = 1;" |
| 3180 | " export function f() { return x };" |
| 3181 | " export const y = 2;" |
| 3182 | " module B {}" |
| 3183 | " export module C {}" |
| 3184 | "};" |
| 3185 | "A.f"; |
| 3186 | |
| 3187 | i::ScopedVector<char> program(Utf8LengthHelper(src) + 1); |
| 3188 | i::SNPrintF(program, "%s", src); |
| 3189 | i::Handle<i::String> source = factory->InternalizeUtf8String(program.start()); |
| 3190 | source->PrintOn(stdout); |
| 3191 | printf("\n"); |
| 3192 | i::Zone zone(isolate); |
| 3193 | v8::Local<v8::Value> v = CompileRun(src); |
| 3194 | i::Handle<i::Object> o = v8::Utils::OpenHandle(*v); |
| 3195 | i::Handle<i::JSFunction> f = i::Handle<i::JSFunction>::cast(o); |
| 3196 | i::Context* context = f->context(); |
| 3197 | i::AstValueFactory avf(&zone, isolate->heap()->HashSeed()); |
| 3198 | avf.Internalize(isolate); |
| 3199 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3200 | i::Scope* script_scope = |
| 3201 | new (&zone) i::Scope(NULL, i::SCRIPT_SCOPE, &avf, &zone); |
| 3202 | script_scope->Initialize(); |
| 3203 | i::Scope* s = i::Scope::DeserializeScopeChain(context, script_scope, &zone); |
| 3204 | DCHECK(s != script_scope); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3205 | const i::AstRawString* name_x = avf.GetOneByteString("x"); |
| 3206 | const i::AstRawString* name_f = avf.GetOneByteString("f"); |
| 3207 | const i::AstRawString* name_y = avf.GetOneByteString("y"); |
| 3208 | const i::AstRawString* name_B = avf.GetOneByteString("B"); |
| 3209 | const i::AstRawString* name_C = avf.GetOneByteString("C"); |
| 3210 | |
| 3211 | // Get result from h's function context (that is f's context) |
| 3212 | i::Variable* var_x = s->Lookup(name_x); |
| 3213 | CHECK(var_x != NULL); |
| 3214 | CHECK(var_x->maybe_assigned() == i::kMaybeAssigned); |
| 3215 | i::Variable* var_f = s->Lookup(name_f); |
| 3216 | CHECK(var_f != NULL); |
| 3217 | CHECK(var_f->maybe_assigned() == i::kMaybeAssigned); |
| 3218 | i::Variable* var_y = s->Lookup(name_y); |
| 3219 | CHECK(var_y != NULL); |
| 3220 | CHECK(var_y->maybe_assigned() == i::kNotAssigned); |
| 3221 | i::Variable* var_B = s->Lookup(name_B); |
| 3222 | CHECK(var_B != NULL); |
| 3223 | CHECK(var_B->maybe_assigned() == i::kNotAssigned); |
| 3224 | i::Variable* var_C = s->Lookup(name_C); |
| 3225 | CHECK(var_C != NULL); |
| 3226 | CHECK(var_C->maybe_assigned() == i::kNotAssigned); |
| 3227 | } |
| 3228 | |
| 3229 | |
| 3230 | TEST(InnerAssignment) { |
| 3231 | i::Isolate* isolate = CcTest::i_isolate(); |
| 3232 | i::Factory* factory = isolate->factory(); |
| 3233 | i::HandleScope scope(isolate); |
| 3234 | LocalContext env; |
| 3235 | |
| 3236 | const char* prefix = "function f() {"; |
| 3237 | const char* midfix = " function g() {"; |
| 3238 | const char* suffix = "}}"; |
| 3239 | struct { const char* source; bool assigned; bool strict; } outers[] = { |
| 3240 | // Actual assignments. |
| 3241 | { "var x; var x = 5;", true, false }, |
| 3242 | { "var x; { var x = 5; }", true, false }, |
| 3243 | { "'use strict'; let x; x = 6;", true, true }, |
| 3244 | { "var x = 5; function x() {}", true, false }, |
| 3245 | // Actual non-assignments. |
| 3246 | { "var x;", false, false }, |
| 3247 | { "var x = 5;", false, false }, |
| 3248 | { "'use strict'; let x;", false, true }, |
| 3249 | { "'use strict'; let x = 6;", false, true }, |
| 3250 | { "'use strict'; var x = 0; { let x = 6; }", false, true }, |
| 3251 | { "'use strict'; var x = 0; { let x; x = 6; }", false, true }, |
| 3252 | { "'use strict'; let x = 0; { let x = 6; }", false, true }, |
| 3253 | { "'use strict'; let x = 0; { let x; x = 6; }", false, true }, |
| 3254 | { "var x; try {} catch (x) { x = 5; }", false, false }, |
| 3255 | { "function x() {}", false, false }, |
| 3256 | // Eval approximation. |
| 3257 | { "var x; eval('');", true, false }, |
| 3258 | { "eval(''); var x;", true, false }, |
| 3259 | { "'use strict'; let x; eval('');", true, true }, |
| 3260 | { "'use strict'; eval(''); let x;", true, true }, |
| 3261 | // Non-assignments not recognized, because the analysis is approximative. |
| 3262 | { "var x; var x;", true, false }, |
| 3263 | { "var x = 5; var x;", true, false }, |
| 3264 | { "var x; { var x; }", true, false }, |
| 3265 | { "var x; function x() {}", true, false }, |
| 3266 | { "function x() {}; var x;", true, false }, |
| 3267 | { "var x; try {} catch (x) { var x = 5; }", true, false }, |
| 3268 | }; |
| 3269 | struct { const char* source; bool assigned; bool with; } inners[] = { |
| 3270 | // Actual assignments. |
| 3271 | { "x = 1;", true, false }, |
| 3272 | { "x++;", true, false }, |
| 3273 | { "++x;", true, false }, |
| 3274 | { "x--;", true, false }, |
| 3275 | { "--x;", true, false }, |
| 3276 | { "{ x = 1; }", true, false }, |
| 3277 | { "'use strict'; { let x; }; x = 0;", true, false }, |
| 3278 | { "'use strict'; { const x = 1; }; x = 0;", true, false }, |
| 3279 | { "'use strict'; { function x() {} }; x = 0;", true, false }, |
| 3280 | { "with ({}) { x = 1; }", true, true }, |
| 3281 | { "eval('');", true, false }, |
| 3282 | { "'use strict'; { let y; eval('') }", true, false }, |
| 3283 | { "function h() { x = 0; }", true, false }, |
| 3284 | { "(function() { x = 0; })", true, false }, |
| 3285 | { "(function() { x = 0; })", true, false }, |
| 3286 | { "with ({}) (function() { x = 0; })", true, true }, |
| 3287 | // Actual non-assignments. |
| 3288 | { "", false, false }, |
| 3289 | { "x;", false, false }, |
| 3290 | { "var x;", false, false }, |
| 3291 | { "var x = 8;", false, false }, |
| 3292 | { "var x; x = 8;", false, false }, |
| 3293 | { "'use strict'; let x;", false, false }, |
| 3294 | { "'use strict'; let x = 8;", false, false }, |
| 3295 | { "'use strict'; let x; x = 8;", false, false }, |
| 3296 | { "'use strict'; const x = 8;", false, false }, |
| 3297 | { "function x() {}", false, false }, |
| 3298 | { "function x() { x = 0; }", false, false }, |
| 3299 | { "function h(x) { x = 0; }", false, false }, |
| 3300 | { "'use strict'; { let x; x = 0; }", false, false }, |
| 3301 | { "{ var x; }; x = 0;", false, false }, |
| 3302 | { "with ({}) {}", false, true }, |
| 3303 | { "var x; { with ({}) { x = 1; } }", false, true }, |
| 3304 | { "try {} catch(x) { x = 0; }", false, false }, |
| 3305 | { "try {} catch(x) { with ({}) { x = 1; } }", false, true }, |
| 3306 | // Eval approximation. |
| 3307 | { "eval('');", true, false }, |
| 3308 | { "function h() { eval(''); }", true, false }, |
| 3309 | { "(function() { eval(''); })", true, false }, |
| 3310 | // Shadowing not recognized because of eval approximation. |
| 3311 | { "var x; eval('');", true, false }, |
| 3312 | { "'use strict'; let x; eval('');", true, false }, |
| 3313 | { "try {} catch(x) { eval(''); }", true, false }, |
| 3314 | { "function x() { eval(''); }", true, false }, |
| 3315 | { "(function(x) { eval(''); })", true, false }, |
| 3316 | }; |
| 3317 | |
| 3318 | // Used to trigger lazy compilation of function |
| 3319 | int comment_len = 2048; |
| 3320 | i::ScopedVector<char> comment(comment_len + 1); |
| 3321 | i::SNPrintF(comment, "/*%0*d*/", comment_len - 4, 0); |
| 3322 | int prefix_len = Utf8LengthHelper(prefix); |
| 3323 | int midfix_len = Utf8LengthHelper(midfix); |
| 3324 | int suffix_len = Utf8LengthHelper(suffix); |
| 3325 | for (unsigned i = 0; i < arraysize(outers); ++i) { |
| 3326 | const char* outer = outers[i].source; |
| 3327 | int outer_len = Utf8LengthHelper(outer); |
| 3328 | for (unsigned j = 0; j < arraysize(inners); ++j) { |
| 3329 | for (unsigned outer_lazy = 0; outer_lazy < 2; ++outer_lazy) { |
| 3330 | for (unsigned inner_lazy = 0; inner_lazy < 2; ++inner_lazy) { |
| 3331 | if (outers[i].strict && inners[j].with) continue; |
| 3332 | const char* inner = inners[j].source; |
| 3333 | int inner_len = Utf8LengthHelper(inner); |
| 3334 | |
| 3335 | int outer_comment_len = outer_lazy ? comment_len : 0; |
| 3336 | int inner_comment_len = inner_lazy ? comment_len : 0; |
| 3337 | const char* outer_comment = outer_lazy ? comment.start() : ""; |
| 3338 | const char* inner_comment = inner_lazy ? comment.start() : ""; |
| 3339 | int len = prefix_len + outer_comment_len + outer_len + midfix_len + |
| 3340 | inner_comment_len + inner_len + suffix_len; |
| 3341 | i::ScopedVector<char> program(len + 1); |
| 3342 | |
| 3343 | i::SNPrintF(program, "%s%s%s%s%s%s%s", prefix, outer_comment, outer, |
| 3344 | midfix, inner_comment, inner, suffix); |
| 3345 | i::Handle<i::String> source = |
| 3346 | factory->InternalizeUtf8String(program.start()); |
| 3347 | source->PrintOn(stdout); |
| 3348 | printf("\n"); |
| 3349 | |
| 3350 | i::Handle<i::Script> script = factory->NewScript(source); |
| 3351 | i::CompilationInfoWithZone info(script); |
| 3352 | i::Parser::ParseInfo parse_info = { |
| 3353 | isolate->stack_guard()->real_climit(), |
| 3354 | isolate->heap()->HashSeed(), isolate->unicode_cache()}; |
| 3355 | i::Parser parser(&info, &parse_info); |
| 3356 | parser.set_allow_harmony_scoping(true); |
| 3357 | CHECK(parser.Parse()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3358 | CHECK(i::Compiler::Analyze(&info)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3359 | CHECK(info.function() != NULL); |
| 3360 | |
| 3361 | i::Scope* scope = info.function()->scope(); |
| 3362 | CHECK_EQ(scope->inner_scopes()->length(), 1); |
| 3363 | i::Scope* inner_scope = scope->inner_scopes()->at(0); |
| 3364 | const i::AstRawString* var_name = |
| 3365 | info.ast_value_factory()->GetOneByteString("x"); |
| 3366 | i::Variable* var = inner_scope->Lookup(var_name); |
| 3367 | bool expected = outers[i].assigned || inners[j].assigned; |
| 3368 | CHECK(var != NULL); |
| 3369 | CHECK(var->is_used() || !expected); |
| 3370 | CHECK((var->maybe_assigned() == i::kMaybeAssigned) == expected); |
| 3371 | } |
| 3372 | } |
| 3373 | } |
| 3374 | } |
| 3375 | } |
| 3376 | |
| 3377 | namespace { |
| 3378 | |
| 3379 | int* global_use_counts = NULL; |
| 3380 | |
| 3381 | void MockUseCounterCallback(v8::Isolate* isolate, |
| 3382 | v8::Isolate::UseCounterFeature feature) { |
| 3383 | ++global_use_counts[feature]; |
| 3384 | } |
| 3385 | |
| 3386 | } |
| 3387 | |
| 3388 | |
| 3389 | TEST(UseAsmUseCount) { |
| 3390 | i::Isolate* isolate = CcTest::i_isolate(); |
| 3391 | i::HandleScope scope(isolate); |
| 3392 | LocalContext env; |
| 3393 | int use_counts[v8::Isolate::kUseCounterFeatureCount] = {}; |
| 3394 | global_use_counts = use_counts; |
| 3395 | CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback); |
| 3396 | CompileRun("\"use asm\";\n" |
| 3397 | "var foo = 1;\n" |
| 3398 | "\"use asm\";\n" // Only the first one counts. |
| 3399 | "function bar() { \"use asm\"; var baz = 1; }"); |
| 3400 | CHECK_EQ(2, use_counts[v8::Isolate::kUseAsm]); |
| 3401 | } |
| 3402 | |
| 3403 | |
| 3404 | TEST(ErrorsArrowFunctions) { |
| 3405 | // Tests that parser and preparser generate the same kind of errors |
| 3406 | // on invalid arrow function syntax. |
| 3407 | const char* context_data[][2] = { |
| 3408 | {"", ";"}, |
| 3409 | {"v = ", ";"}, |
| 3410 | {"bar ? (", ") : baz;"}, |
| 3411 | {"bar ? baz : (", ");"}, |
| 3412 | {"bar[", "];"}, |
| 3413 | {"bar, ", ";"}, |
| 3414 | {"", ", bar;"}, |
| 3415 | {NULL, NULL} |
| 3416 | }; |
| 3417 | |
| 3418 | const char* statement_data[] = { |
| 3419 | "=> 0", |
| 3420 | "=>", |
| 3421 | "() =>", |
| 3422 | "=> {}", |
| 3423 | ") => {}", |
| 3424 | ", => {}", |
| 3425 | "(,) => {}", |
| 3426 | "return => {}", |
| 3427 | "() => {'value': 42}", |
| 3428 | |
| 3429 | // Check that the early return introduced in ParsePrimaryExpression |
| 3430 | // does not accept stray closing parentheses. |
| 3431 | ")", |
| 3432 | ") => 0", |
| 3433 | "foo[()]", |
| 3434 | "()", |
| 3435 | |
| 3436 | // Parameter lists with extra parens should be recognized as errors. |
| 3437 | "(()) => 0", |
| 3438 | "((x)) => 0", |
| 3439 | "((x, y)) => 0", |
| 3440 | "(x, (y)) => 0", |
| 3441 | "((x, y, z)) => 0", |
| 3442 | "(x, (y, z)) => 0", |
| 3443 | "((x, y), z) => 0", |
| 3444 | |
| 3445 | // Parameter lists are always validated as strict, so those are errors. |
| 3446 | "eval => {}", |
| 3447 | "arguments => {}", |
| 3448 | "yield => {}", |
| 3449 | "interface => {}", |
| 3450 | "(eval) => {}", |
| 3451 | "(arguments) => {}", |
| 3452 | "(yield) => {}", |
| 3453 | "(interface) => {}", |
| 3454 | "(eval, bar) => {}", |
| 3455 | "(bar, eval) => {}", |
| 3456 | "(bar, arguments) => {}", |
| 3457 | "(bar, yield) => {}", |
| 3458 | "(bar, interface) => {}", |
| 3459 | // TODO(aperez): Detecting duplicates does not work in PreParser. |
| 3460 | // "(bar, bar) => {}", |
| 3461 | |
| 3462 | // The parameter list is parsed as an expression, but only |
| 3463 | // a comma-separated list of identifier is valid. |
| 3464 | "32 => {}", |
| 3465 | "(32) => {}", |
| 3466 | "(a, 32) => {}", |
| 3467 | "if => {}", |
| 3468 | "(if) => {}", |
| 3469 | "(a, if) => {}", |
| 3470 | "a + b => {}", |
| 3471 | "(a + b) => {}", |
| 3472 | "(a + b, c) => {}", |
| 3473 | "(a, b - c) => {}", |
| 3474 | "\"a\" => {}", |
| 3475 | "(\"a\") => {}", |
| 3476 | "(\"a\", b) => {}", |
| 3477 | "(a, \"b\") => {}", |
| 3478 | "-a => {}", |
| 3479 | "(-a) => {}", |
| 3480 | "(-a, b) => {}", |
| 3481 | "(a, -b) => {}", |
| 3482 | "{} => {}", |
| 3483 | "({}) => {}", |
| 3484 | "(a, {}) => {}", |
| 3485 | "({}, a) => {}", |
| 3486 | "a++ => {}", |
| 3487 | "(a++) => {}", |
| 3488 | "(a++, b) => {}", |
| 3489 | "(a, b++) => {}", |
| 3490 | "[] => {}", |
| 3491 | "([]) => {}", |
| 3492 | "(a, []) => {}", |
| 3493 | "([], a) => {}", |
| 3494 | "(a = b) => {}", |
| 3495 | "(a = b, c) => {}", |
| 3496 | "(a, b = c) => {}", |
| 3497 | "(foo ? bar : baz) => {}", |
| 3498 | "(a, foo ? bar : baz) => {}", |
| 3499 | "(foo ? bar : baz, a) => {}", |
| 3500 | NULL |
| 3501 | }; |
| 3502 | |
| 3503 | // The test is quite slow, so run it with a reduced set of flags. |
| 3504 | static const ParserFlag flags[] = {kAllowLazy, kAllowHarmonyScoping}; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3505 | static const ParserFlag always_flags[] = { kAllowHarmonyArrowFunctions }; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3506 | RunParserSyncTest(context_data, statement_data, kError, flags, |
| 3507 | arraysize(flags), always_flags, arraysize(always_flags)); |
| 3508 | } |
| 3509 | |
| 3510 | |
| 3511 | TEST(NoErrorsArrowFunctions) { |
| 3512 | // Tests that parser and preparser accept valid arrow functions syntax. |
| 3513 | const char* context_data[][2] = { |
| 3514 | {"", ";"}, |
| 3515 | {"bar ? (", ") : baz;"}, |
| 3516 | {"bar ? baz : (", ");"}, |
| 3517 | {"bar, ", ";"}, |
| 3518 | {"", ", bar;"}, |
| 3519 | {NULL, NULL} |
| 3520 | }; |
| 3521 | |
| 3522 | const char* statement_data[] = { |
| 3523 | "() => {}", |
| 3524 | "() => { return 42 }", |
| 3525 | "x => { return x; }", |
| 3526 | "(x) => { return x; }", |
| 3527 | "(x, y) => { return x + y; }", |
| 3528 | "(x, y, z) => { return x + y + z; }", |
| 3529 | "(x, y) => { x.a = y; }", |
| 3530 | "() => 42", |
| 3531 | "x => x", |
| 3532 | "x => x * x", |
| 3533 | "(x) => x", |
| 3534 | "(x) => x * x", |
| 3535 | "(x, y) => x + y", |
| 3536 | "(x, y, z) => x, y, z", |
| 3537 | "(x, y) => x.a = y", |
| 3538 | "() => ({'value': 42})", |
| 3539 | "x => y => x + y", |
| 3540 | "(x, y) => (u, v) => x*u + y*v", |
| 3541 | "(x, y) => z => z * (x + y)", |
| 3542 | "x => (y, z) => z * (x + y)", |
| 3543 | |
| 3544 | // Those are comma-separated expressions, with arrow functions as items. |
| 3545 | // They stress the code for validating arrow function parameter lists. |
| 3546 | "a, b => 0", |
| 3547 | "a, b, (c, d) => 0", |
| 3548 | "(a, b, (c, d) => 0)", |
| 3549 | "(a, b) => 0, (c, d) => 1", |
| 3550 | "(a, b => {}, a => a + 1)", |
| 3551 | "((a, b) => {}, (a => a + 1))", |
| 3552 | "(a, (a, (b, c) => 0))", |
| 3553 | |
| 3554 | // Arrow has more precedence, this is the same as: foo ? bar : (baz = {}) |
| 3555 | "foo ? bar : baz => {}", |
| 3556 | NULL |
| 3557 | }; |
| 3558 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3559 | static const ParserFlag always_flags[] = {kAllowHarmonyArrowFunctions}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3560 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 3561 | always_flags, arraysize(always_flags)); |
| 3562 | } |
| 3563 | |
| 3564 | |
| 3565 | TEST(NoErrorsSuper) { |
| 3566 | // Tests that parser and preparser accept 'super' keyword in right places. |
| 3567 | const char* context_data[][2] = {{"", ";"}, |
| 3568 | {"k = ", ";"}, |
| 3569 | {"foo(", ");"}, |
| 3570 | {NULL, NULL}}; |
| 3571 | |
| 3572 | const char* statement_data[] = { |
| 3573 | "super.x", |
| 3574 | "super[27]", |
| 3575 | "new super", |
| 3576 | "new super()", |
| 3577 | "new super(12, 45)", |
| 3578 | "new new super", |
| 3579 | "new new super()", |
| 3580 | "new new super()()", |
| 3581 | "z.super", // Ok, property lookup. |
| 3582 | NULL}; |
| 3583 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3584 | static const ParserFlag always_flags[] = {kAllowHarmonyClasses}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3585 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 3586 | always_flags, arraysize(always_flags)); |
| 3587 | } |
| 3588 | |
| 3589 | |
| 3590 | TEST(ErrorsSuper) { |
| 3591 | // Tests that parser and preparser generate same errors for 'super'. |
| 3592 | const char* context_data[][2] = {{"", ";"}, |
| 3593 | {"k = ", ";"}, |
| 3594 | {"foo(", ");"}, |
| 3595 | {NULL, NULL}}; |
| 3596 | |
| 3597 | const char* statement_data[] = { |
| 3598 | "super = x", |
| 3599 | "y = super", |
| 3600 | "f(super)", |
| 3601 | NULL}; |
| 3602 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3603 | static const ParserFlag always_flags[] = {kAllowHarmonyClasses}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3604 | RunParserSyncTest(context_data, statement_data, kError, NULL, 0, |
| 3605 | always_flags, arraysize(always_flags)); |
| 3606 | } |
| 3607 | |
| 3608 | |
| 3609 | TEST(NoErrorsMethodDefinition) { |
| 3610 | const char* context_data[][2] = {{"({", "});"}, |
| 3611 | {"'use strict'; ({", "});"}, |
| 3612 | {"({*", "});"}, |
| 3613 | {"'use strict'; ({*", "});"}, |
| 3614 | {NULL, NULL}}; |
| 3615 | |
| 3616 | const char* object_literal_body_data[] = { |
| 3617 | "m() {}", |
| 3618 | "m(x) { return x; }", |
| 3619 | "m(x, y) {}, n() {}", |
| 3620 | "set(x, y) {}", |
| 3621 | "get(x, y) {}", |
| 3622 | NULL |
| 3623 | }; |
| 3624 | |
| 3625 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 3626 | RunParserSyncTest(context_data, object_literal_body_data, kSuccess, NULL, 0, |
| 3627 | always_flags, arraysize(always_flags)); |
| 3628 | } |
| 3629 | |
| 3630 | |
| 3631 | TEST(MethodDefinitionNames) { |
| 3632 | const char* context_data[][2] = {{"({", "(x, y) {}});"}, |
| 3633 | {"'use strict'; ({", "(x, y) {}});"}, |
| 3634 | {"({*", "(x, y) {}});"}, |
| 3635 | {"'use strict'; ({*", "(x, y) {}});"}, |
| 3636 | {NULL, NULL}}; |
| 3637 | |
| 3638 | const char* name_data[] = { |
| 3639 | "m", |
| 3640 | "'m'", |
| 3641 | "\"m\"", |
| 3642 | "\"m n\"", |
| 3643 | "true", |
| 3644 | "false", |
| 3645 | "null", |
| 3646 | "0", |
| 3647 | "1.2", |
| 3648 | "1e1", |
| 3649 | "1E1", |
| 3650 | "1e+1", |
| 3651 | "1e-1", |
| 3652 | |
| 3653 | // Keywords |
| 3654 | "async", |
| 3655 | "await", |
| 3656 | "break", |
| 3657 | "case", |
| 3658 | "catch", |
| 3659 | "class", |
| 3660 | "const", |
| 3661 | "continue", |
| 3662 | "debugger", |
| 3663 | "default", |
| 3664 | "delete", |
| 3665 | "do", |
| 3666 | "else", |
| 3667 | "enum", |
| 3668 | "export", |
| 3669 | "extends", |
| 3670 | "finally", |
| 3671 | "for", |
| 3672 | "function", |
| 3673 | "if", |
| 3674 | "implements", |
| 3675 | "import", |
| 3676 | "in", |
| 3677 | "instanceof", |
| 3678 | "interface", |
| 3679 | "let", |
| 3680 | "new", |
| 3681 | "package", |
| 3682 | "private", |
| 3683 | "protected", |
| 3684 | "public", |
| 3685 | "return", |
| 3686 | "static", |
| 3687 | "super", |
| 3688 | "switch", |
| 3689 | "this", |
| 3690 | "throw", |
| 3691 | "try", |
| 3692 | "typeof", |
| 3693 | "var", |
| 3694 | "void", |
| 3695 | "while", |
| 3696 | "with", |
| 3697 | "yield", |
| 3698 | NULL |
| 3699 | }; |
| 3700 | |
| 3701 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 3702 | RunParserSyncTest(context_data, name_data, kSuccess, NULL, 0, |
| 3703 | always_flags, arraysize(always_flags)); |
| 3704 | } |
| 3705 | |
| 3706 | |
| 3707 | TEST(MethodDefinitionStrictFormalParamereters) { |
| 3708 | const char* context_data[][2] = {{"({method(", "){}});"}, |
| 3709 | {"'use strict'; ({method(", "){}});"}, |
| 3710 | {"({*method(", "){}});"}, |
| 3711 | {"'use strict'; ({*method(", "){}});"}, |
| 3712 | {NULL, NULL}}; |
| 3713 | |
| 3714 | const char* params_data[] = { |
| 3715 | "x, x", |
| 3716 | "x, y, x", |
| 3717 | "eval", |
| 3718 | "arguments", |
| 3719 | "var", |
| 3720 | "const", |
| 3721 | NULL |
| 3722 | }; |
| 3723 | |
| 3724 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 3725 | RunParserSyncTest(context_data, params_data, kError, NULL, 0, |
| 3726 | always_flags, arraysize(always_flags)); |
| 3727 | } |
| 3728 | |
| 3729 | |
| 3730 | TEST(MethodDefinitionDuplicateProperty) { |
| 3731 | // Duplicate properties are allowed in ES6 but we haven't removed that check |
| 3732 | // yet. |
| 3733 | const char* context_data[][2] = {{"'use strict'; ({", "});"}, |
| 3734 | {NULL, NULL}}; |
| 3735 | |
| 3736 | const char* params_data[] = { |
| 3737 | "x: 1, x() {}", |
| 3738 | "x() {}, x: 1", |
| 3739 | "x() {}, get x() {}", |
| 3740 | "x() {}, set x(_) {}", |
| 3741 | "x() {}, x() {}", |
| 3742 | "x() {}, y() {}, x() {}", |
| 3743 | "x() {}, \"x\"() {}", |
| 3744 | "x() {}, 'x'() {}", |
| 3745 | "0() {}, '0'() {}", |
| 3746 | "1.0() {}, 1: 1", |
| 3747 | |
| 3748 | "x: 1, *x() {}", |
| 3749 | "*x() {}, x: 1", |
| 3750 | "*x() {}, get x() {}", |
| 3751 | "*x() {}, set x(_) {}", |
| 3752 | "*x() {}, *x() {}", |
| 3753 | "*x() {}, y() {}, *x() {}", |
| 3754 | "*x() {}, *\"x\"() {}", |
| 3755 | "*x() {}, *'x'() {}", |
| 3756 | "*0() {}, *'0'() {}", |
| 3757 | "*1.0() {}, 1: 1", |
| 3758 | |
| 3759 | NULL |
| 3760 | }; |
| 3761 | |
| 3762 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 3763 | RunParserSyncTest(context_data, params_data, kError, NULL, 0, |
| 3764 | always_flags, arraysize(always_flags)); |
| 3765 | } |
| 3766 | |
| 3767 | |
| 3768 | TEST(ClassExpressionNoErrors) { |
| 3769 | const char* context_data[][2] = {{"(", ");"}, |
| 3770 | {"var C = ", ";"}, |
| 3771 | {"bar, ", ";"}, |
| 3772 | {NULL, NULL}}; |
| 3773 | const char* class_data[] = { |
| 3774 | "class {}", |
| 3775 | "class name {}", |
| 3776 | "class extends F {}", |
| 3777 | "class name extends F {}", |
| 3778 | "class extends (F, G) {}", |
| 3779 | "class name extends (F, G) {}", |
| 3780 | "class extends class {} {}", |
| 3781 | "class name extends class {} {}", |
| 3782 | "class extends class base {} {}", |
| 3783 | "class name extends class base {} {}", |
| 3784 | NULL}; |
| 3785 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3786 | static const ParserFlag always_flags[] = { |
| 3787 | kAllowHarmonyClasses, kAllowHarmonySloppy}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3788 | RunParserSyncTest(context_data, class_data, kSuccess, NULL, 0, |
| 3789 | always_flags, arraysize(always_flags)); |
| 3790 | } |
| 3791 | |
| 3792 | |
| 3793 | TEST(ClassDeclarationNoErrors) { |
| 3794 | const char* context_data[][2] = {{"", ""}, |
| 3795 | {"{", "}"}, |
| 3796 | {"if (true) {", "}"}, |
| 3797 | {NULL, NULL}}; |
| 3798 | const char* statement_data[] = { |
| 3799 | "class name {}", |
| 3800 | "class name extends F {}", |
| 3801 | "class name extends (F, G) {}", |
| 3802 | "class name extends class {} {}", |
| 3803 | "class name extends class base {} {}", |
| 3804 | NULL}; |
| 3805 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3806 | static const ParserFlag always_flags[] = { |
| 3807 | kAllowHarmonyClasses, kAllowHarmonySloppy}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3808 | RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0, |
| 3809 | always_flags, arraysize(always_flags)); |
| 3810 | } |
| 3811 | |
| 3812 | |
| 3813 | TEST(ClassBodyNoErrors) { |
| 3814 | // Tests that parser and preparser accept valid class syntax. |
| 3815 | const char* context_data[][2] = {{"(class {", "});"}, |
| 3816 | {"(class extends Base {", "});"}, |
| 3817 | {"class C {", "}"}, |
| 3818 | {"class C extends Base {", "}"}, |
| 3819 | {NULL, NULL}}; |
| 3820 | const char* class_body_data[] = { |
| 3821 | ";", |
| 3822 | ";;", |
| 3823 | "m() {}", |
| 3824 | "m() {};", |
| 3825 | "; m() {}", |
| 3826 | "m() {}; n(x) {}", |
| 3827 | "get x() {}", |
| 3828 | "set x(v) {}", |
| 3829 | "get() {}", |
| 3830 | "set() {}", |
| 3831 | "*g() {}", |
| 3832 | "*g() {};", |
| 3833 | "; *g() {}", |
| 3834 | "*g() {}; *h(x) {}", |
| 3835 | "static() {}", |
| 3836 | "static m() {}", |
| 3837 | "static get x() {}", |
| 3838 | "static set x(v) {}", |
| 3839 | "static get() {}", |
| 3840 | "static set() {}", |
| 3841 | "static static() {}", |
| 3842 | "static get static() {}", |
| 3843 | "static set static(v) {}", |
| 3844 | "*static() {}", |
| 3845 | "*get() {}", |
| 3846 | "*set() {}", |
| 3847 | "static *g() {}", |
| 3848 | NULL}; |
| 3849 | |
| 3850 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3851 | kAllowHarmonyClasses, |
| 3852 | kAllowHarmonyObjectLiterals, |
| 3853 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3854 | }; |
| 3855 | RunParserSyncTest(context_data, class_body_data, kSuccess, NULL, 0, |
| 3856 | always_flags, arraysize(always_flags)); |
| 3857 | } |
| 3858 | |
| 3859 | |
| 3860 | TEST(ClassPropertyNameNoErrors) { |
| 3861 | const char* context_data[][2] = {{"(class {", "() {}});"}, |
| 3862 | {"(class { get ", "() {}});"}, |
| 3863 | {"(class { set ", "(v) {}});"}, |
| 3864 | {"(class { static ", "() {}});"}, |
| 3865 | {"(class { static get ", "() {}});"}, |
| 3866 | {"(class { static set ", "(v) {}});"}, |
| 3867 | {"(class { *", "() {}});"}, |
| 3868 | {"(class { static *", "() {}});"}, |
| 3869 | {"class C {", "() {}}"}, |
| 3870 | {"class C { get ", "() {}}"}, |
| 3871 | {"class C { set ", "(v) {}}"}, |
| 3872 | {"class C { static ", "() {}}"}, |
| 3873 | {"class C { static get ", "() {}}"}, |
| 3874 | {"class C { static set ", "(v) {}}"}, |
| 3875 | {"class C { *", "() {}}"}, |
| 3876 | {"class C { static *", "() {}}"}, |
| 3877 | {NULL, NULL}}; |
| 3878 | const char* name_data[] = { |
| 3879 | "42", |
| 3880 | "42.5", |
| 3881 | "42e2", |
| 3882 | "42e+2", |
| 3883 | "42e-2", |
| 3884 | "null", |
| 3885 | "false", |
| 3886 | "true", |
| 3887 | "'str'", |
| 3888 | "\"str\"", |
| 3889 | "static", |
| 3890 | "get", |
| 3891 | "set", |
| 3892 | "var", |
| 3893 | "const", |
| 3894 | "let", |
| 3895 | "this", |
| 3896 | "class", |
| 3897 | "function", |
| 3898 | "yield", |
| 3899 | "if", |
| 3900 | "else", |
| 3901 | "for", |
| 3902 | "while", |
| 3903 | "do", |
| 3904 | "try", |
| 3905 | "catch", |
| 3906 | "finally", |
| 3907 | NULL}; |
| 3908 | |
| 3909 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3910 | kAllowHarmonyClasses, |
| 3911 | kAllowHarmonyObjectLiterals, |
| 3912 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3913 | }; |
| 3914 | RunParserSyncTest(context_data, name_data, kSuccess, NULL, 0, |
| 3915 | always_flags, arraysize(always_flags)); |
| 3916 | } |
| 3917 | |
| 3918 | |
| 3919 | TEST(ClassExpressionErrors) { |
| 3920 | const char* context_data[][2] = {{"(", ");"}, |
| 3921 | {"var C = ", ";"}, |
| 3922 | {"bar, ", ";"}, |
| 3923 | {NULL, NULL}}; |
| 3924 | const char* class_data[] = { |
| 3925 | "class", |
| 3926 | "class name", |
| 3927 | "class name extends", |
| 3928 | "class extends", |
| 3929 | "class {", |
| 3930 | "class { m }", |
| 3931 | "class { m; n }", |
| 3932 | "class { m: 1 }", |
| 3933 | "class { m(); n() }", |
| 3934 | "class { get m }", |
| 3935 | "class { get m() }", |
| 3936 | "class { get m() { }", |
| 3937 | "class { set m() {} }", // Missing required parameter. |
| 3938 | "class { m() {}, n() {} }", // No commas allowed. |
| 3939 | NULL}; |
| 3940 | |
| 3941 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3942 | kAllowHarmonyClasses, |
| 3943 | kAllowHarmonyObjectLiterals, |
| 3944 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3945 | }; |
| 3946 | RunParserSyncTest(context_data, class_data, kError, NULL, 0, |
| 3947 | always_flags, arraysize(always_flags)); |
| 3948 | } |
| 3949 | |
| 3950 | |
| 3951 | TEST(ClassDeclarationErrors) { |
| 3952 | const char* context_data[][2] = {{"", ""}, |
| 3953 | {"{", "}"}, |
| 3954 | {"if (true) {", "}"}, |
| 3955 | {NULL, NULL}}; |
| 3956 | const char* class_data[] = { |
| 3957 | "class", |
| 3958 | "class name", |
| 3959 | "class name extends", |
| 3960 | "class extends", |
| 3961 | "class name {", |
| 3962 | "class name { m }", |
| 3963 | "class name { m; n }", |
| 3964 | "class name { m: 1 }", |
| 3965 | "class name { m(); n() }", |
| 3966 | "class name { get x }", |
| 3967 | "class name { get x() }", |
| 3968 | "class name { set x() {) }", // missing required param |
| 3969 | "class {}", // Name is required for declaration |
| 3970 | "class extends base {}", |
| 3971 | "class name { *", |
| 3972 | "class name { * }", |
| 3973 | "class name { *; }", |
| 3974 | "class name { *get x() {} }", |
| 3975 | "class name { *set x(_) {} }", |
| 3976 | "class name { *static m() {} }", |
| 3977 | NULL}; |
| 3978 | |
| 3979 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 3980 | kAllowHarmonyClasses, |
| 3981 | kAllowHarmonyNumericLiterals, |
| 3982 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3983 | }; |
| 3984 | RunParserSyncTest(context_data, class_data, kError, NULL, 0, |
| 3985 | always_flags, arraysize(always_flags)); |
| 3986 | } |
| 3987 | |
| 3988 | |
| 3989 | TEST(ClassNameErrors) { |
| 3990 | const char* context_data[][2] = {{"class ", "{}"}, |
| 3991 | {"(class ", "{});"}, |
| 3992 | {"'use strict'; class ", "{}"}, |
| 3993 | {"'use strict'; (class ", "{});"}, |
| 3994 | {NULL, NULL}}; |
| 3995 | const char* class_name[] = { |
| 3996 | "arguments", |
| 3997 | "eval", |
| 3998 | "implements", |
| 3999 | "interface", |
| 4000 | "let", |
| 4001 | "package", |
| 4002 | "private", |
| 4003 | "protected", |
| 4004 | "public", |
| 4005 | "static", |
| 4006 | "var", |
| 4007 | "yield", |
| 4008 | NULL}; |
| 4009 | |
| 4010 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4011 | kAllowHarmonyClasses, |
| 4012 | kAllowHarmonyObjectLiterals, |
| 4013 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4014 | }; |
| 4015 | RunParserSyncTest(context_data, class_name, kError, NULL, 0, |
| 4016 | always_flags, arraysize(always_flags)); |
| 4017 | } |
| 4018 | |
| 4019 | |
| 4020 | TEST(ClassGetterParamNameErrors) { |
| 4021 | const char* context_data[][2] = { |
| 4022 | {"class C { get name(", ") {} }"}, |
| 4023 | {"(class { get name(", ") {} });"}, |
| 4024 | {"'use strict'; class C { get name(", ") {} }"}, |
| 4025 | {"'use strict'; (class { get name(", ") {} })"}, |
| 4026 | {NULL, NULL} |
| 4027 | }; |
| 4028 | |
| 4029 | const char* class_name[] = { |
| 4030 | "arguments", |
| 4031 | "eval", |
| 4032 | "implements", |
| 4033 | "interface", |
| 4034 | "let", |
| 4035 | "package", |
| 4036 | "private", |
| 4037 | "protected", |
| 4038 | "public", |
| 4039 | "static", |
| 4040 | "var", |
| 4041 | "yield", |
| 4042 | NULL}; |
| 4043 | |
| 4044 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4045 | kAllowHarmonyClasses, |
| 4046 | kAllowHarmonyObjectLiterals, |
| 4047 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4048 | }; |
| 4049 | RunParserSyncTest(context_data, class_name, kError, NULL, 0, |
| 4050 | always_flags, arraysize(always_flags)); |
| 4051 | } |
| 4052 | |
| 4053 | |
| 4054 | TEST(ClassStaticPrototypeErrors) { |
| 4055 | const char* context_data[][2] = {{"class C {", "}"}, |
| 4056 | {"(class {", "});"}, |
| 4057 | {NULL, NULL}}; |
| 4058 | |
| 4059 | const char* class_body_data[] = { |
| 4060 | "static prototype() {}", |
| 4061 | "static get prototype() {}", |
| 4062 | "static set prototype(_) {}", |
| 4063 | "static *prototype() {}", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4064 | "static 'prototype'() {}", |
| 4065 | "static *'prototype'() {}", |
| 4066 | "static prot\\u006ftype() {}", |
| 4067 | "static 'prot\\u006ftype'() {}", |
| 4068 | "static get 'prot\\u006ftype'() {}", |
| 4069 | "static set 'prot\\u006ftype'(_) {}", |
| 4070 | "static *'prot\\u006ftype'() {}", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4071 | NULL}; |
| 4072 | |
| 4073 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4074 | kAllowHarmonyClasses, |
| 4075 | kAllowHarmonyObjectLiterals, |
| 4076 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4077 | }; |
| 4078 | RunParserSyncTest(context_data, class_body_data, kError, NULL, 0, |
| 4079 | always_flags, arraysize(always_flags)); |
| 4080 | } |
| 4081 | |
| 4082 | |
| 4083 | TEST(ClassSpecialConstructorErrors) { |
| 4084 | const char* context_data[][2] = {{"class C {", "}"}, |
| 4085 | {"(class {", "});"}, |
| 4086 | {NULL, NULL}}; |
| 4087 | |
| 4088 | const char* class_body_data[] = { |
| 4089 | "get constructor() {}", |
| 4090 | "get constructor(_) {}", |
| 4091 | "*constructor() {}", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4092 | "get 'constructor'() {}", |
| 4093 | "*'constructor'() {}", |
| 4094 | "get c\\u006fnstructor() {}", |
| 4095 | "*c\\u006fnstructor() {}", |
| 4096 | "get 'c\\u006fnstructor'() {}", |
| 4097 | "get 'c\\u006fnstructor'(_) {}", |
| 4098 | "*'c\\u006fnstructor'() {}", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4099 | NULL}; |
| 4100 | |
| 4101 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4102 | kAllowHarmonyClasses, |
| 4103 | kAllowHarmonyObjectLiterals, |
| 4104 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4105 | }; |
| 4106 | RunParserSyncTest(context_data, class_body_data, kError, NULL, 0, |
| 4107 | always_flags, arraysize(always_flags)); |
| 4108 | } |
| 4109 | |
| 4110 | |
| 4111 | TEST(ClassConstructorNoErrors) { |
| 4112 | const char* context_data[][2] = {{"class C {", "}"}, |
| 4113 | {"(class {", "});"}, |
| 4114 | {NULL, NULL}}; |
| 4115 | |
| 4116 | const char* class_body_data[] = { |
| 4117 | "constructor() {}", |
| 4118 | "static constructor() {}", |
| 4119 | "static get constructor() {}", |
| 4120 | "static set constructor(_) {}", |
| 4121 | "static *constructor() {}", |
| 4122 | NULL}; |
| 4123 | |
| 4124 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4125 | kAllowHarmonyClasses, |
| 4126 | kAllowHarmonyObjectLiterals, |
| 4127 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4128 | }; |
| 4129 | RunParserSyncTest(context_data, class_body_data, kSuccess, NULL, 0, |
| 4130 | always_flags, arraysize(always_flags)); |
| 4131 | } |
| 4132 | |
| 4133 | |
| 4134 | TEST(ClassMultipleConstructorErrors) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4135 | const char* context_data[][2] = {{"class C {", "}"}, |
| 4136 | {"(class {", "});"}, |
| 4137 | {NULL, NULL}}; |
| 4138 | |
| 4139 | const char* class_body_data[] = { |
| 4140 | "constructor() {}; constructor() {}", |
| 4141 | NULL}; |
| 4142 | |
| 4143 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4144 | kAllowHarmonyClasses, |
| 4145 | kAllowHarmonyObjectLiterals, |
| 4146 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4147 | }; |
| 4148 | RunParserSyncTest(context_data, class_body_data, kError, NULL, 0, |
| 4149 | always_flags, arraysize(always_flags)); |
| 4150 | } |
| 4151 | |
| 4152 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4153 | TEST(ClassMultiplePropertyNamesNoErrors) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4154 | const char* context_data[][2] = {{"class C {", "}"}, |
| 4155 | {"(class {", "});"}, |
| 4156 | {NULL, NULL}}; |
| 4157 | |
| 4158 | const char* class_body_data[] = { |
| 4159 | "constructor() {}; static constructor() {}", |
| 4160 | "m() {}; static m() {}", |
| 4161 | "m() {}; m() {}", |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4162 | "static m() {}; static m() {}", |
| 4163 | "get m() {}; set m(_) {}; get m() {}; set m(_) {};", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4164 | NULL}; |
| 4165 | |
| 4166 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4167 | kAllowHarmonyClasses, |
| 4168 | kAllowHarmonyObjectLiterals, |
| 4169 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4170 | }; |
| 4171 | RunParserSyncTest(context_data, class_body_data, kSuccess, NULL, 0, |
| 4172 | always_flags, arraysize(always_flags)); |
| 4173 | } |
| 4174 | |
| 4175 | |
| 4176 | TEST(ClassesAreStrictErrors) { |
| 4177 | const char* context_data[][2] = {{"", ""}, |
| 4178 | {"(", ");"}, |
| 4179 | {NULL, NULL}}; |
| 4180 | |
| 4181 | const char* class_body_data[] = { |
| 4182 | "class C { method() { with ({}) {} } }", |
| 4183 | "class C extends function() { with ({}) {} } {}", |
| 4184 | "class C { *method() { with ({}) {} } }", |
| 4185 | NULL}; |
| 4186 | |
| 4187 | static const ParserFlag always_flags[] = { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4188 | kAllowHarmonyClasses, |
| 4189 | kAllowHarmonyObjectLiterals, |
| 4190 | kAllowHarmonySloppy |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4191 | }; |
| 4192 | RunParserSyncTest(context_data, class_body_data, kError, NULL, 0, |
| 4193 | always_flags, arraysize(always_flags)); |
Ben Murdoch | 692be65 | 2012-01-10 18:47:50 +0000 | [diff] [blame] | 4194 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 4195 | |
| 4196 | |
| 4197 | TEST(ObjectLiteralPropertyShorthandKeywordsError) { |
| 4198 | const char* context_data[][2] = {{"({", "});"}, |
| 4199 | {"'use strict'; ({", "});"}, |
| 4200 | {NULL, NULL}}; |
| 4201 | |
| 4202 | const char* name_data[] = { |
| 4203 | "break", |
| 4204 | "case", |
| 4205 | "catch", |
| 4206 | "class", |
| 4207 | "const", |
| 4208 | "continue", |
| 4209 | "debugger", |
| 4210 | "default", |
| 4211 | "delete", |
| 4212 | "do", |
| 4213 | "else", |
| 4214 | "enum", |
| 4215 | "export", |
| 4216 | "extends", |
| 4217 | "false", |
| 4218 | "finally", |
| 4219 | "for", |
| 4220 | "function", |
| 4221 | "if", |
| 4222 | "import", |
| 4223 | "in", |
| 4224 | "instanceof", |
| 4225 | "new", |
| 4226 | "null", |
| 4227 | "return", |
| 4228 | "super", |
| 4229 | "switch", |
| 4230 | "this", |
| 4231 | "throw", |
| 4232 | "true", |
| 4233 | "try", |
| 4234 | "typeof", |
| 4235 | "var", |
| 4236 | "void", |
| 4237 | "while", |
| 4238 | "with", |
| 4239 | NULL |
| 4240 | }; |
| 4241 | |
| 4242 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 4243 | RunParserSyncTest(context_data, name_data, kError, NULL, 0, |
| 4244 | always_flags, arraysize(always_flags)); |
| 4245 | } |
| 4246 | |
| 4247 | |
| 4248 | TEST(ObjectLiteralPropertyShorthandStrictKeywords) { |
| 4249 | const char* context_data[][2] = {{"({", "});"}, |
| 4250 | {NULL, NULL}}; |
| 4251 | |
| 4252 | const char* name_data[] = { |
| 4253 | "implements", |
| 4254 | "interface", |
| 4255 | "let", |
| 4256 | "package", |
| 4257 | "private", |
| 4258 | "protected", |
| 4259 | "public", |
| 4260 | "static", |
| 4261 | "yield", |
| 4262 | NULL |
| 4263 | }; |
| 4264 | |
| 4265 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 4266 | RunParserSyncTest(context_data, name_data, kSuccess, NULL, 0, |
| 4267 | always_flags, arraysize(always_flags)); |
| 4268 | |
| 4269 | const char* context_strict_data[][2] = {{"'use strict'; ({", "});"}, |
| 4270 | {NULL, NULL}}; |
| 4271 | RunParserSyncTest(context_strict_data, name_data, kError, NULL, 0, |
| 4272 | always_flags, arraysize(always_flags)); |
| 4273 | } |
| 4274 | |
| 4275 | |
| 4276 | TEST(ObjectLiteralPropertyShorthandError) { |
| 4277 | const char* context_data[][2] = {{"({", "});"}, |
| 4278 | {"'use strict'; ({", "});"}, |
| 4279 | {NULL, NULL}}; |
| 4280 | |
| 4281 | const char* name_data[] = { |
| 4282 | "1", |
| 4283 | "1.2", |
| 4284 | "0", |
| 4285 | "0.1", |
| 4286 | "1.0", |
| 4287 | "1e1", |
| 4288 | "0x1", |
| 4289 | "\"s\"", |
| 4290 | "'s'", |
| 4291 | NULL |
| 4292 | }; |
| 4293 | |
| 4294 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 4295 | RunParserSyncTest(context_data, name_data, kError, NULL, 0, |
| 4296 | always_flags, arraysize(always_flags)); |
| 4297 | } |
| 4298 | |
| 4299 | |
| 4300 | TEST(ObjectLiteralPropertyShorthandYieldInGeneratorError) { |
| 4301 | const char* context_data[][2] = {{"", ""}, |
| 4302 | {NULL, NULL}}; |
| 4303 | |
| 4304 | const char* name_data[] = { |
| 4305 | "function* g() { ({yield}); }", |
| 4306 | NULL |
| 4307 | }; |
| 4308 | |
| 4309 | static const ParserFlag always_flags[] = {kAllowHarmonyObjectLiterals}; |
| 4310 | RunParserSyncTest(context_data, name_data, kError, NULL, 0, |
| 4311 | always_flags, arraysize(always_flags)); |
| 4312 | } |
| 4313 | |
| 4314 | |
| 4315 | TEST(ConstParsingInForIn) { |
| 4316 | const char* context_data[][2] = {{"'use strict';", ""}, |
| 4317 | {"function foo(){ 'use strict';", "}"}, |
| 4318 | {NULL, NULL}}; |
| 4319 | |
| 4320 | const char* data[] = { |
| 4321 | "for(const x = 1; ; ) {}", |
| 4322 | "for(const x = 1, y = 2;;){}", |
| 4323 | "for(const x in [1,2,3]) {}", |
| 4324 | "for(const x of [1,2,3]) {}", |
| 4325 | NULL}; |
| 4326 | static const ParserFlag always_flags[] = {kAllowHarmonyScoping}; |
| 4327 | RunParserSyncTest(context_data, data, kSuccess, NULL, 0, always_flags, |
| 4328 | arraysize(always_flags)); |
| 4329 | } |
| 4330 | |
| 4331 | |
| 4332 | TEST(ConstParsingInForInError) { |
| 4333 | const char* context_data[][2] = {{"'use strict';", ""}, |
| 4334 | {"function foo(){ 'use strict';", "}"}, |
| 4335 | {NULL, NULL}}; |
| 4336 | |
| 4337 | const char* data[] = { |
| 4338 | "for(const x,y = 1; ; ) {}", |
| 4339 | "for(const x = 4 in [1,2,3]) {}", |
| 4340 | "for(const x = 4, y in [1,2,3]) {}", |
| 4341 | "for(const x = 4 of [1,2,3]) {}", |
| 4342 | "for(const x = 4, y of [1,2,3]) {}", |
| 4343 | "for(const x = 1, y = 2 in []) {}", |
| 4344 | "for(const x,y in []) {}", |
| 4345 | "for(const x = 1, y = 2 of []) {}", |
| 4346 | "for(const x,y of []) {}", |
| 4347 | NULL}; |
| 4348 | static const ParserFlag always_flags[] = {kAllowHarmonyScoping}; |
| 4349 | RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags, |
| 4350 | arraysize(always_flags)); |
| 4351 | } |
| 4352 | |
| 4353 | |
| 4354 | TEST(InvalidUnicodeEscapes) { |
| 4355 | const char* context_data[][2] = {{"", ""}, |
| 4356 | {"'use strict';", ""}, |
| 4357 | {NULL, NULL}}; |
| 4358 | const char* data[] = { |
| 4359 | "var foob\\u123r = 0;", |
| 4360 | "var \\u123roo = 0;", |
| 4361 | "\"foob\\u123rr\"", |
| 4362 | // No escapes allowed in regexp flags |
| 4363 | "/regex/\\u0069g", |
| 4364 | "/regex/\\u006g", |
| 4365 | // Braces gone wrong |
| 4366 | "var foob\\u{c481r = 0;", |
| 4367 | "var foob\\uc481}r = 0;", |
| 4368 | "var \\u{0052oo = 0;", |
| 4369 | "var \\u0052}oo = 0;", |
| 4370 | "\"foob\\u{c481r\"", |
| 4371 | "var foob\\u{}ar = 0;", |
| 4372 | // Too high value for the unicode escape |
| 4373 | "\"\\u{110000}\"", |
| 4374 | // Not an unicode escape |
| 4375 | "var foob\\v1234r = 0;", |
| 4376 | "var foob\\U1234r = 0;", |
| 4377 | "var foob\\v{1234}r = 0;", |
| 4378 | "var foob\\U{1234}r = 0;", |
| 4379 | NULL}; |
| 4380 | static const ParserFlag always_flags[] = {kAllowHarmonyUnicode}; |
| 4381 | RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags, |
| 4382 | arraysize(always_flags)); |
| 4383 | } |
| 4384 | |
| 4385 | |
| 4386 | TEST(UnicodeEscapes) { |
| 4387 | const char* context_data[][2] = {{"", ""}, |
| 4388 | {"'use strict';", ""}, |
| 4389 | {NULL, NULL}}; |
| 4390 | const char* data[] = { |
| 4391 | // Identifier starting with escape |
| 4392 | "var \\u0052oo = 0;", |
| 4393 | "var \\u{0052}oo = 0;", |
| 4394 | "var \\u{52}oo = 0;", |
| 4395 | "var \\u{00000000052}oo = 0;", |
| 4396 | // Identifier with an escape but not starting with an escape |
| 4397 | "var foob\\uc481r = 0;", |
| 4398 | "var foob\\u{c481}r = 0;", |
| 4399 | // String with an escape |
| 4400 | "\"foob\\uc481r\"", |
| 4401 | "\"foob\\{uc481}r\"", |
| 4402 | // This character is a valid unicode character, representable as a surrogate |
| 4403 | // pair, not representable as 4 hex digits. |
| 4404 | "\"foo\\u{10e6d}\"", |
| 4405 | // Max value for the unicode escape |
| 4406 | "\"\\u{10ffff}\"", |
| 4407 | NULL}; |
| 4408 | static const ParserFlag always_flags[] = {kAllowHarmonyUnicode}; |
| 4409 | RunParserSyncTest(context_data, data, kSuccess, NULL, 0, always_flags, |
| 4410 | arraysize(always_flags)); |
| 4411 | } |
| 4412 | |
| 4413 | |
| 4414 | TEST(ScanTemplateLiterals) { |
| 4415 | const char* context_data[][2] = {{"'use strict';", ""}, |
| 4416 | {"function foo(){ 'use strict';" |
| 4417 | " var a, b, c; return ", "}"}, |
| 4418 | {NULL, NULL}}; |
| 4419 | |
| 4420 | const char* data[] = { |
| 4421 | "``", |
| 4422 | "`no-subst-template`", |
| 4423 | "`template-head${a}`", |
| 4424 | "`${a}`", |
| 4425 | "`${a}template-tail`", |
| 4426 | "`template-head${a}template-tail`", |
| 4427 | "`${a}${b}${c}`", |
| 4428 | "`a${a}b${b}c${c}`", |
| 4429 | "`${a}a${b}b${c}c`", |
| 4430 | "`foo\n\nbar\r\nbaz`", |
| 4431 | "`foo\n\n${ bar }\r\nbaz`", |
| 4432 | "`foo${a /* comment */}`", |
| 4433 | "`foo${a // comment\n}`", |
| 4434 | "`foo${a \n}`", |
| 4435 | "`foo${a \r\n}`", |
| 4436 | "`foo${a \r}`", |
| 4437 | "`foo${/* comment */ a}`", |
| 4438 | "`foo${// comment\na}`", |
| 4439 | "`foo${\n a}`", |
| 4440 | "`foo${\r\n a}`", |
| 4441 | "`foo${\r a}`", |
| 4442 | "`foo${'a' in a}`", |
| 4443 | NULL}; |
| 4444 | static const ParserFlag always_flags[] = {kAllowHarmonyTemplates}; |
| 4445 | RunParserSyncTest(context_data, data, kSuccess, NULL, 0, always_flags, |
| 4446 | arraysize(always_flags)); |
| 4447 | } |
| 4448 | |
| 4449 | |
| 4450 | TEST(ScanTaggedTemplateLiterals) { |
| 4451 | const char* context_data[][2] = {{"'use strict';", ""}, |
| 4452 | {"function foo(){ 'use strict';" |
| 4453 | " function tag() {}" |
| 4454 | " var a, b, c; return ", "}"}, |
| 4455 | {NULL, NULL}}; |
| 4456 | |
| 4457 | const char* data[] = { |
| 4458 | "tag ``", |
| 4459 | "tag `no-subst-template`", |
| 4460 | "tag`template-head${a}`", |
| 4461 | "tag `${a}`", |
| 4462 | "tag `${a}template-tail`", |
| 4463 | "tag `template-head${a}template-tail`", |
| 4464 | "tag\n`${a}${b}${c}`", |
| 4465 | "tag\r\n`a${a}b${b}c${c}`", |
| 4466 | "tag `${a}a${b}b${c}c`", |
| 4467 | "tag\t`foo\n\nbar\r\nbaz`", |
| 4468 | "tag\r`foo\n\n${ bar }\r\nbaz`", |
| 4469 | "tag`foo${a /* comment */}`", |
| 4470 | "tag`foo${a // comment\n}`", |
| 4471 | "tag`foo${a \n}`", |
| 4472 | "tag`foo${a \r\n}`", |
| 4473 | "tag`foo${a \r}`", |
| 4474 | "tag`foo${/* comment */ a}`", |
| 4475 | "tag`foo${// comment\na}`", |
| 4476 | "tag`foo${\n a}`", |
| 4477 | "tag`foo${\r\n a}`", |
| 4478 | "tag`foo${\r a}`", |
| 4479 | "tag`foo${'a' in a}`", |
| 4480 | NULL}; |
| 4481 | static const ParserFlag always_flags[] = {kAllowHarmonyTemplates}; |
| 4482 | RunParserSyncTest(context_data, data, kSuccess, NULL, 0, always_flags, |
| 4483 | arraysize(always_flags)); |
| 4484 | } |
| 4485 | |
| 4486 | |
| 4487 | TEST(TemplateMaterializedLiterals) { |
| 4488 | const char* context_data[][2] = { |
| 4489 | { |
| 4490 | "'use strict';\n" |
| 4491 | "function tag() {}\n" |
| 4492 | "var a, b, c;\n" |
| 4493 | "(", ")" |
| 4494 | }, |
| 4495 | {NULL, NULL} |
| 4496 | }; |
| 4497 | |
| 4498 | const char* data[] = { |
| 4499 | "tag``", |
| 4500 | "tag`a`", |
| 4501 | "tag`a${1}b`", |
| 4502 | "tag`a${1}b${2}c`", |
| 4503 | "``", |
| 4504 | "`a`", |
| 4505 | "`a${1}b`", |
| 4506 | "`a${1}b${2}c`", |
| 4507 | NULL |
| 4508 | }; |
| 4509 | |
| 4510 | static const ParserFlag always_flags[] = {kAllowHarmonyTemplates}; |
| 4511 | RunParserSyncTest(context_data, data, kSuccess, NULL, 0, always_flags, |
| 4512 | arraysize(always_flags)); |
| 4513 | } |
| 4514 | |
| 4515 | |
| 4516 | TEST(ScanUnterminatedTemplateLiterals) { |
| 4517 | const char* context_data[][2] = {{"'use strict';", ""}, |
| 4518 | {"function foo(){ 'use strict';" |
| 4519 | " var a, b, c; return ", "}"}, |
| 4520 | {NULL, NULL}}; |
| 4521 | |
| 4522 | const char* data[] = { |
| 4523 | "`no-subst-template", |
| 4524 | "`template-head${a}", |
| 4525 | "`${a}template-tail", |
| 4526 | "`template-head${a}template-tail", |
| 4527 | "`${a}${b}${c}", |
| 4528 | "`a${a}b${b}c${c}", |
| 4529 | "`${a}a${b}b${c}c", |
| 4530 | "`foo\n\nbar\r\nbaz", |
| 4531 | "`foo\n\n${ bar }\r\nbaz", |
| 4532 | "`foo${a /* comment } */`", |
| 4533 | "`foo${a /* comment } `*/", |
| 4534 | "`foo${a // comment}`", |
| 4535 | "`foo${a \n`", |
| 4536 | "`foo${a \r\n`", |
| 4537 | "`foo${a \r`", |
| 4538 | "`foo${/* comment */ a`", |
| 4539 | "`foo${// commenta}`", |
| 4540 | "`foo${\n a`", |
| 4541 | "`foo${\r\n a`", |
| 4542 | "`foo${\r a`", |
| 4543 | "`foo${fn(}`", |
| 4544 | "`foo${1 if}`", |
| 4545 | NULL}; |
| 4546 | static const ParserFlag always_flags[] = {kAllowHarmonyTemplates}; |
| 4547 | RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags, |
| 4548 | arraysize(always_flags)); |
| 4549 | } |
| 4550 | |
| 4551 | |
| 4552 | TEST(TemplateLiteralsIllegalTokens) { |
| 4553 | const char* context_data[][2] = {{"'use strict';", ""}, |
| 4554 | {"function foo(){ 'use strict';" |
| 4555 | " var a, b, c; return ", "}"}, |
| 4556 | {NULL, NULL}}; |
| 4557 | const char* data[] = { |
| 4558 | "`hello\\x`", |
| 4559 | "`hello\\x${1}`", |
| 4560 | "`hello${1}\\x`", |
| 4561 | "`hello${1}\\x${2}`", |
| 4562 | "`hello\\x\n`", |
| 4563 | "`hello\\x\n${1}`", |
| 4564 | "`hello${1}\\x\n`", |
| 4565 | "`hello${1}\\x\n${2}`", |
| 4566 | NULL}; |
| 4567 | |
| 4568 | static const ParserFlag always_flags[] = {kAllowHarmonyTemplates}; |
| 4569 | RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags, |
| 4570 | arraysize(always_flags)); |
| 4571 | } |
| 4572 | |
| 4573 | |
| 4574 | TEST(LexicalScopingSloppyMode) { |
| 4575 | const char* context_data[][2] = { |
| 4576 | {"", ""}, |
| 4577 | {"function f() {", "}"}, |
| 4578 | {"{", "}"}, |
| 4579 | {NULL, NULL}}; |
| 4580 | const char* bad_data[] = { |
| 4581 | "let x = 1;", |
| 4582 | "for(let x = 1;;){}", |
| 4583 | "for(let x of []){}", |
| 4584 | "for(let x in []){}", |
| 4585 | "class C {}", |
| 4586 | "class C extends D {}", |
| 4587 | "(class {})", |
| 4588 | "(class extends D {})", |
| 4589 | "(class C {})", |
| 4590 | "(class C extends D {})", |
| 4591 | NULL}; |
| 4592 | static const ParserFlag always_true_flags[] = { |
| 4593 | kAllowHarmonyScoping, kAllowHarmonyClasses}; |
| 4594 | static const ParserFlag always_false_flags[] = {kAllowHarmonySloppy}; |
| 4595 | RunParserSyncTest(context_data, bad_data, kError, NULL, 0, |
| 4596 | always_true_flags, arraysize(always_true_flags), |
| 4597 | always_false_flags, arraysize(always_false_flags)); |
| 4598 | |
| 4599 | const char* good_data[] = { |
| 4600 | "let = 1;", |
| 4601 | "for(let = 1;;){}", |
| 4602 | NULL}; |
| 4603 | RunParserSyncTest(context_data, good_data, kSuccess, NULL, 0, |
| 4604 | always_true_flags, arraysize(always_true_flags), |
| 4605 | always_false_flags, arraysize(always_false_flags)); |
| 4606 | } |