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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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113 v8::Isolate* isolate = CcTest::isolate(); | 113 v8::Isolate* isolate = CcTest::isolate(); |
114 v8::HandleScope handles(isolate); | 114 v8::HandleScope handles(isolate); |
115 | 115 |
116 // Regression test. See: | 116 // Regression test. See: |
117 // http://code.google.com/p/chromium/issues/detail?id=53548 | 117 // http://code.google.com/p/chromium/issues/detail?id=53548 |
118 // Tests that --> is correctly interpreted as comment-to-end-of-line if there | 118 // Tests that --> is correctly interpreted as comment-to-end-of-line if there |
119 // is only whitespace before it on the line (with comments considered as | 119 // is only whitespace before it on the line (with comments considered as |
120 // whitespace, even a multiline-comment containing a newline). | 120 // whitespace, even a multiline-comment containing a newline). |
121 // This was not the case if it occurred before the first real token | 121 // This was not the case if it occurred before the first real token |
122 // in the input. | 122 // in the input. |
| 123 // clang-format off |
123 const char* tests[] = { | 124 const char* tests[] = { |
124 // Before first real token. | 125 // Before first real token. |
| 126 "-->", |
| 127 "--> is eol-comment", |
125 "--> is eol-comment\nvar y = 37;\n", | 128 "--> is eol-comment\nvar y = 37;\n", |
126 "\n --> is eol-comment\nvar y = 37;\n", | 129 "\n --> is eol-comment\nvar y = 37;\n", |
| 130 "\n-->is eol-comment\nvar y = 37;\n", |
| 131 "\n-->\nvar y = 37;\n", |
127 "/* precomment */ --> is eol-comment\nvar y = 37;\n", | 132 "/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 133 "/* precomment */-->eol-comment\nvar y = 37;\n", |
128 "\n/* precomment */ --> is eol-comment\nvar y = 37;\n", | 134 "\n/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 135 "\n/*precomment*/-->eol-comment\nvar y = 37;\n", |
129 // After first real token. | 136 // After first real token. |
130 "var x = 42;\n--> is eol-comment\nvar y = 37;\n", | 137 "var x = 42;\n--> is eol-comment\nvar y = 37;\n", |
131 "var x = 42;\n/* precomment */ --> is eol-comment\nvar y = 37;\n", | 138 "var x = 42;\n/* precomment */ --> is eol-comment\nvar y = 37;\n", |
| 139 "x/* precomment\n */ --> is eol-comment\nvar y = 37;\n", |
| 140 "var x = 42; /* precomment\n */ --> is eol-comment\nvar y = 37;\n", |
| 141 "var x = 42;/*\n*/-->is eol-comment\nvar y = 37;\n", |
| 142 // With multiple comments preceding HTMLEndComment |
| 143 "/* MLC \n */ /* SLDC */ --> is eol-comment\nvar y = 37;\n", |
| 144 "/* MLC \n */ /* SLDC1 */ /* SLDC2 */ --> is eol-comment\nvar y = 37;\n", |
| 145 "/* MLC1 \n */ /* MLC2 \n */ --> is eol-comment\nvar y = 37;\n", |
| 146 "/* SLDC */ /* MLC \n */ --> is eol-comment\nvar y = 37;\n", |
| 147 "/* MLC1 \n */ /* SLDC1 */ /* MLC2 \n */ /* SLDC2 */ --> is eol-comment\n" |
| 148 "var y = 37;\n", |
132 NULL | 149 NULL |
133 }; | 150 }; |
134 | 151 |
135 const char* fail_tests[] = { | 152 const char* fail_tests[] = { |
136 "x --> is eol-comment\nvar y = 37;\n", | 153 "x --> is eol-comment\nvar y = 37;\n", |
137 "\"\\n\" --> is eol-comment\nvar y = 37;\n", | 154 "\"\\n\" --> is eol-comment\nvar y = 37;\n", |
138 "x/* precomment */ --> is eol-comment\nvar y = 37;\n", | 155 "x/* precomment */ --> is eol-comment\nvar y = 37;\n", |
139 "x/* precomment\n */ --> is eol-comment\nvar y = 37;\n", | |
140 "var x = 42; --> is eol-comment\nvar y = 37;\n", | 156 "var x = 42; --> is eol-comment\nvar y = 37;\n", |
141 "var x = 42; /* precomment\n */ --> is eol-comment\nvar y = 37;\n", | |
142 NULL | 157 NULL |
143 }; | 158 }; |
| 159 // clang-format on |
144 | 160 |
145 // Parser/Scanner needs a stack limit. | 161 // Parser/Scanner needs a stack limit. |
146 CcTest::i_isolate()->stack_guard()->SetStackLimit( | 162 CcTest::i_isolate()->stack_guard()->SetStackLimit( |
147 i::GetCurrentStackPosition() - 128 * 1024); | 163 i::GetCurrentStackPosition() - 128 * 1024); |
148 uintptr_t stack_limit = CcTest::i_isolate()->stack_guard()->real_climit(); | 164 uintptr_t stack_limit = CcTest::i_isolate()->stack_guard()->real_climit(); |
149 for (int i = 0; tests[i]; i++) { | 165 for (int i = 0; tests[i]; i++) { |
150 const i::byte* source = | 166 const i::byte* source = |
151 reinterpret_cast<const i::byte*>(tests[i]); | 167 reinterpret_cast<const i::byte*>(tests[i]); |
152 i::Utf8ToUtf16CharacterStream stream(source, i::StrLength(tests[i])); | 168 i::Utf8ToUtf16CharacterStream stream(source, i::StrLength(tests[i])); |
153 i::CompleteParserRecorder log; | 169 i::CompleteParserRecorder log; |
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7940 "(a,);", | 7956 "(a,);", |
7941 "(a,b,c,);", | 7957 "(a,b,c,);", |
7942 NULL | 7958 NULL |
7943 }; | 7959 }; |
7944 // clang-format on | 7960 // clang-format on |
7945 | 7961 |
7946 static const ParserFlag always_flags[] = {kAllowHarmonyTrailingCommas}; | 7962 static const ParserFlag always_flags[] = {kAllowHarmonyTrailingCommas}; |
7947 RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags, | 7963 RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags, |
7948 arraysize(always_flags)); | 7964 arraysize(always_flags)); |
7949 } | 7965 } |
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