| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <cstdlib> |
| #include <memory> |
| #include <sstream> |
| |
| #include "include/v8.h" |
| #include "src/api/api-inl.h" |
| #include "src/ast/ast.h" |
| #include "src/codegen/assembler-arch.h" |
| #include "src/codegen/macro-assembler.h" |
| #include "src/init/v8.h" |
| #include "src/objects/js-regexp-inl.h" |
| #include "src/objects/objects-inl.h" |
| #include "src/regexp/regexp-bytecode-generator.h" |
| #include "src/regexp/regexp-bytecodes.h" |
| #include "src/regexp/regexp-compiler.h" |
| #include "src/regexp/regexp-interpreter.h" |
| #include "src/regexp/regexp-macro-assembler-arch.h" |
| #include "src/regexp/regexp-parser.h" |
| #include "src/regexp/regexp.h" |
| #include "src/strings/char-predicates-inl.h" |
| #include "src/strings/string-stream.h" |
| #include "src/strings/unicode-inl.h" |
| #include "src/utils/ostreams.h" |
| #include "src/zone/zone-list-inl.h" |
| #include "test/cctest/cctest.h" |
| #include "test/common/flag-utils.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace test_regexp { |
| |
| static bool CheckParse(const char* input) { |
| Isolate* isolate = CcTest::i_isolate(); |
| |
| v8::HandleScope scope(CcTest::isolate()); |
| Zone zone(isolate->allocator(), ZONE_NAME); |
| Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(input); |
| FlatStringReader reader(isolate, str); |
| RegExpCompileData result; |
| return v8::internal::RegExpParser::ParseRegExp(isolate, &zone, &reader, |
| JSRegExp::kNone, &result); |
| } |
| |
| |
| static void CheckParseEq(const char* input, const char* expected, |
| bool unicode = false) { |
| Isolate* isolate = CcTest::i_isolate(); |
| |
| v8::HandleScope scope(CcTest::isolate()); |
| Zone zone(isolate->allocator(), ZONE_NAME); |
| Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(input); |
| FlatStringReader reader(isolate, str); |
| RegExpCompileData result; |
| JSRegExp::Flags flags = JSRegExp::kNone; |
| if (unicode) flags |= JSRegExp::kUnicode; |
| CHECK(v8::internal::RegExpParser::ParseRegExp(isolate, &zone, &reader, flags, |
| &result)); |
| CHECK_NOT_NULL(result.tree); |
| CHECK(result.error == RegExpError::kNone); |
| std::ostringstream os; |
| result.tree->Print(os, &zone); |
| if (strcmp(expected, os.str().c_str()) != 0) { |
| printf("%s | %s\n", expected, os.str().c_str()); |
| } |
| CHECK_EQ(0, strcmp(expected, os.str().c_str())); |
| } |
| |
| |
| static bool CheckSimple(const char* input) { |
| Isolate* isolate = CcTest::i_isolate(); |
| |
| v8::HandleScope scope(CcTest::isolate()); |
| Zone zone(isolate->allocator(), ZONE_NAME); |
| Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(input); |
| FlatStringReader reader(isolate, str); |
| RegExpCompileData result; |
| CHECK(v8::internal::RegExpParser::ParseRegExp(isolate, &zone, &reader, |
| JSRegExp::kNone, &result)); |
| CHECK_NOT_NULL(result.tree); |
| CHECK(result.error == RegExpError::kNone); |
| return result.simple; |
| } |
| |
| struct MinMaxPair { |
| int min_match; |
| int max_match; |
| }; |
| |
| |
| static MinMaxPair CheckMinMaxMatch(const char* input) { |
| Isolate* isolate = CcTest::i_isolate(); |
| |
| v8::HandleScope scope(CcTest::isolate()); |
| Zone zone(isolate->allocator(), ZONE_NAME); |
| Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(input); |
| FlatStringReader reader(isolate, str); |
| RegExpCompileData result; |
| CHECK(v8::internal::RegExpParser::ParseRegExp(isolate, &zone, &reader, |
| JSRegExp::kNone, &result)); |
| CHECK_NOT_NULL(result.tree); |
| CHECK(result.error == RegExpError::kNone); |
| int min_match = result.tree->min_match(); |
| int max_match = result.tree->max_match(); |
| MinMaxPair pair = { min_match, max_match }; |
| return pair; |
| } |
| |
| |
| #define CHECK_PARSE_ERROR(input) CHECK(!CheckParse(input)) |
| #define CHECK_SIMPLE(input, simple) CHECK_EQ(simple, CheckSimple(input)); |
| #define CHECK_MIN_MAX(input, min, max) \ |
| { MinMaxPair min_max = CheckMinMaxMatch(input); \ |
| CHECK_EQ(min, min_max.min_match); \ |
| CHECK_EQ(max, min_max.max_match); \ |
| } |
| |
| TEST(RegExpParser) { |
| CHECK_PARSE_ERROR("?"); |
| |
| CheckParseEq("abc", "'abc'"); |
| CheckParseEq("", "%"); |
| CheckParseEq("abc|def", "(| 'abc' 'def')"); |
| CheckParseEq("abc|def|ghi", "(| 'abc' 'def' 'ghi')"); |
| CheckParseEq("^xxx$", "(: @^i 'xxx' @$i)"); |
| CheckParseEq("ab\\b\\d\\bcd", "(: 'ab' @b [0-9] @b 'cd')"); |
| CheckParseEq("\\w|\\d", "(| [0-9 A-Z _ a-z] [0-9])"); |
| CheckParseEq("a*", "(# 0 - g 'a')"); |
| CheckParseEq("a*?", "(# 0 - n 'a')"); |
| CheckParseEq("abc+", "(: 'ab' (# 1 - g 'c'))"); |
| CheckParseEq("abc+?", "(: 'ab' (# 1 - n 'c'))"); |
| CheckParseEq("xyz?", "(: 'xy' (# 0 1 g 'z'))"); |
| CheckParseEq("xyz??", "(: 'xy' (# 0 1 n 'z'))"); |
| CheckParseEq("xyz{0,1}", "(: 'xy' (# 0 1 g 'z'))"); |
| CheckParseEq("xyz{0,1}?", "(: 'xy' (# 0 1 n 'z'))"); |
| CheckParseEq("xyz{93}", "(: 'xy' (# 93 93 g 'z'))"); |
| CheckParseEq("xyz{93}?", "(: 'xy' (# 93 93 n 'z'))"); |
| CheckParseEq("xyz{1,32}", "(: 'xy' (# 1 32 g 'z'))"); |
| CheckParseEq("xyz{1,32}?", "(: 'xy' (# 1 32 n 'z'))"); |
| CheckParseEq("xyz{1,}", "(: 'xy' (# 1 - g 'z'))"); |
| CheckParseEq("xyz{1,}?", "(: 'xy' (# 1 - n 'z'))"); |
| CheckParseEq("a\\fb\\nc\\rd\\te\\vf", "'a\\x0cb\\x0ac\\x0dd\\x09e\\x0bf'"); |
| CheckParseEq("a\\nb\\bc", "(: 'a\\x0ab' @b 'c')"); |
| CheckParseEq("(?:foo)", "(?: 'foo')"); |
| CheckParseEq("(?: foo )", "(?: ' foo ')"); |
| CheckParseEq("(foo|bar|baz)", "(^ (| 'foo' 'bar' 'baz'))"); |
| CheckParseEq("foo|(bar|baz)|quux", "(| 'foo' (^ (| 'bar' 'baz')) 'quux')"); |
| CheckParseEq("foo(?=bar)baz", "(: 'foo' (-> + 'bar') 'baz')"); |
| CheckParseEq("foo(?!bar)baz", "(: 'foo' (-> - 'bar') 'baz')"); |
| CheckParseEq("foo(?<=bar)baz", "(: 'foo' (<- + 'bar') 'baz')"); |
| CheckParseEq("foo(?<!bar)baz", "(: 'foo' (<- - 'bar') 'baz')"); |
| CheckParseEq("()", "(^ %)"); |
| CheckParseEq("(?=)", "(-> + %)"); |
| CheckParseEq("[]", "^[\\x00-\\u{10ffff}]"); // Doesn't compile on windows |
| CheckParseEq("[^]", "[\\x00-\\u{10ffff}]"); // \uffff isn't in codepage 1252 |
| CheckParseEq("[x]", "[x]"); |
| CheckParseEq("[xyz]", "[x y z]"); |
| CheckParseEq("[a-zA-Z0-9]", "[a-z A-Z 0-9]"); |
| CheckParseEq("[-123]", "[- 1 2 3]"); |
| CheckParseEq("[^123]", "^[1 2 3]"); |
| CheckParseEq("]", "']'"); |
| CheckParseEq("}", "'}'"); |
| CheckParseEq("[a-b-c]", "[a-b - c]"); |
| CheckParseEq("[\\d]", "[0-9]"); |
| CheckParseEq("[x\\dz]", "[x 0-9 z]"); |
| CheckParseEq("[\\d-z]", "[0-9 - z]"); |
| CheckParseEq("[\\d-\\d]", "[0-9 0-9 -]"); |
| CheckParseEq("[z-\\d]", "[0-9 z -]"); |
| // Control character outside character class. |
| CheckParseEq("\\cj\\cJ\\ci\\cI\\ck\\cK", "'\\x0a\\x0a\\x09\\x09\\x0b\\x0b'"); |
| CheckParseEq("\\c!", "'\\c!'"); |
| CheckParseEq("\\c_", "'\\c_'"); |
| CheckParseEq("\\c~", "'\\c~'"); |
| CheckParseEq("\\c1", "'\\c1'"); |
| // Control character inside character class. |
| CheckParseEq("[\\c!]", "[\\ c !]"); |
| CheckParseEq("[\\c_]", "[\\x1f]"); |
| CheckParseEq("[\\c~]", "[\\ c ~]"); |
| CheckParseEq("[\\ca]", "[\\x01]"); |
| CheckParseEq("[\\cz]", "[\\x1a]"); |
| CheckParseEq("[\\cA]", "[\\x01]"); |
| CheckParseEq("[\\cZ]", "[\\x1a]"); |
| CheckParseEq("[\\c1]", "[\\x11]"); |
| |
| CheckParseEq("[a\\]c]", "[a ] c]"); |
| CheckParseEq("\\[\\]\\{\\}\\(\\)\\%\\^\\#\\ ", "'[]{}()%^# '"); |
| CheckParseEq("[\\[\\]\\{\\}\\(\\)\\%\\^\\#\\ ]", "[[ ] { } ( ) % ^ # ]"); |
| CheckParseEq("\\0", "'\\x00'"); |
| CheckParseEq("\\8", "'8'"); |
| CheckParseEq("\\9", "'9'"); |
| CheckParseEq("\\11", "'\\x09'"); |
| CheckParseEq("\\11a", "'\\x09a'"); |
| CheckParseEq("\\011", "'\\x09'"); |
| CheckParseEq("\\00011", "'\\x0011'"); |
| CheckParseEq("\\118", "'\\x098'"); |
| CheckParseEq("\\111", "'I'"); |
| CheckParseEq("\\1111", "'I1'"); |
| CheckParseEq("(x)(x)(x)\\1", "(: (^ 'x') (^ 'x') (^ 'x') (<- 1))"); |
| CheckParseEq("(x)(x)(x)\\2", "(: (^ 'x') (^ 'x') (^ 'x') (<- 2))"); |
| CheckParseEq("(x)(x)(x)\\3", "(: (^ 'x') (^ 'x') (^ 'x') (<- 3))"); |
| CheckParseEq("(x)(x)(x)\\4", "(: (^ 'x') (^ 'x') (^ 'x') '\\x04')"); |
| CheckParseEq("(x)(x)(x)\\1*", |
| "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g (<- 1)))"); |
| CheckParseEq("(x)(x)(x)\\2*", |
| "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g (<- 2)))"); |
| CheckParseEq("(x)(x)(x)\\3*", |
| "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g (<- 3)))"); |
| CheckParseEq("(x)(x)(x)\\4*", |
| "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g '\\x04'))"); |
| CheckParseEq("(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)\\10", |
| "(: (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x')" |
| " (^ 'x') (^ 'x') (^ 'x') (^ 'x') (<- 10))"); |
| CheckParseEq("(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)\\11", |
| "(: (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x')" |
| " (^ 'x') (^ 'x') (^ 'x') (^ 'x') '\\x09')"); |
| CheckParseEq("(a)\\1", "(: (^ 'a') (<- 1))"); |
| CheckParseEq("(a\\1)", "(^ 'a')"); |
| CheckParseEq("(\\1a)", "(^ 'a')"); |
| CheckParseEq("(\\2)(\\1)", "(: (^ (<- 2)) (^ (<- 1)))"); |
| CheckParseEq("(?=a)?a", "'a'"); |
| CheckParseEq("(?=a){0,10}a", "'a'"); |
| CheckParseEq("(?=a){1,10}a", "(: (-> + 'a') 'a')"); |
| CheckParseEq("(?=a){9,10}a", "(: (-> + 'a') 'a')"); |
| CheckParseEq("(?!a)?a", "'a'"); |
| CheckParseEq("\\1(a)", "(: (<- 1) (^ 'a'))"); |
| CheckParseEq("(?!(a))\\1", "(: (-> - (^ 'a')) (<- 1))"); |
| CheckParseEq("(?!\\1(a\\1)\\1)\\1", |
| "(: (-> - (: (<- 1) (^ 'a') (<- 1))) (<- 1))"); |
| CheckParseEq("\\1\\2(a(?:\\1(b\\1\\2))\\2)\\1", |
| "(: (<- 1) (<- 2) (^ (: 'a' (?: (^ 'b')) (<- 2))) (<- 1))"); |
| CheckParseEq("\\1\\2(a(?<=\\1(b\\1\\2))\\2)\\1", |
| "(: (<- 1) (<- 2) (^ (: 'a' (<- + (^ 'b')) (<- 2))) (<- 1))"); |
| CheckParseEq("[\\0]", "[\\x00]"); |
| CheckParseEq("[\\11]", "[\\x09]"); |
| CheckParseEq("[\\11a]", "[\\x09 a]"); |
| CheckParseEq("[\\011]", "[\\x09]"); |
| CheckParseEq("[\\00011]", "[\\x00 1 1]"); |
| CheckParseEq("[\\118]", "[\\x09 8]"); |
| CheckParseEq("[\\111]", "[I]"); |
| CheckParseEq("[\\1111]", "[I 1]"); |
| CheckParseEq("\\x34", "'\x34'"); |
| CheckParseEq("\\x60", "'\x60'"); |
| CheckParseEq("\\x3z", "'x3z'"); |
| CheckParseEq("\\c", "'\\c'"); |
| CheckParseEq("\\u0034", "'\x34'"); |
| CheckParseEq("\\u003z", "'u003z'"); |
| CheckParseEq("foo[z]*", "(: 'foo' (# 0 - g [z]))"); |
| CheckParseEq("^^^$$$\\b\\b\\b\\b", "(: @^i @^i @^i @$i @$i @$i @b @b @b @b)"); |
| CheckParseEq("\\b\\b\\b\\b\\B\\B\\B\\B\\b\\b\\b\\b", |
| "(: @b @b @b @b @B @B @B @B @b @b @b @b)"); |
| CheckParseEq("\\b\\B\\b", "(: @b @B @b)"); |
| |
| // Unicode regexps |
| CheckParseEq("\\u{12345}", "'\\ud808\\udf45'", true); |
| CheckParseEq("\\u{12345}\\u{23456}", "(! '\\ud808\\udf45' '\\ud84d\\udc56')", |
| true); |
| CheckParseEq("\\u{12345}|\\u{23456}", "(| '\\ud808\\udf45' '\\ud84d\\udc56')", |
| true); |
| CheckParseEq("\\u{12345}{3}", "(# 3 3 g '\\ud808\\udf45')", true); |
| CheckParseEq("\\u{12345}*", "(# 0 - g '\\ud808\\udf45')", true); |
| |
| CheckParseEq("\\ud808\\udf45*", "(# 0 - g '\\ud808\\udf45')", true); |
| CheckParseEq("[\\ud808\\udf45-\\ud809\\udccc]", "[\\u{012345}-\\u{0124cc}]", |
| true); |
| |
| CHECK_SIMPLE("", false); |
| CHECK_SIMPLE("a", true); |
| CHECK_SIMPLE("a|b", false); |
| CHECK_SIMPLE("a\\n", false); |
| CHECK_SIMPLE("^a", false); |
| CHECK_SIMPLE("a$", false); |
| CHECK_SIMPLE("a\\b!", false); |
| CHECK_SIMPLE("a\\Bb", false); |
| CHECK_SIMPLE("a*", false); |
| CHECK_SIMPLE("a*?", false); |
| CHECK_SIMPLE("a?", false); |
| CHECK_SIMPLE("a??", false); |
| CHECK_SIMPLE("a{0,1}?", false); |
| CHECK_SIMPLE("a{1,1}?", false); |
| CHECK_SIMPLE("a{1,2}?", false); |
| CHECK_SIMPLE("a+?", false); |
| CHECK_SIMPLE("(a)", false); |
| CHECK_SIMPLE("(a)\\1", false); |
| CHECK_SIMPLE("(\\1a)", false); |
| CHECK_SIMPLE("\\1(a)", false); |
| CHECK_SIMPLE("a\\s", false); |
| CHECK_SIMPLE("a\\S", false); |
| CHECK_SIMPLE("a\\d", false); |
| CHECK_SIMPLE("a\\D", false); |
| CHECK_SIMPLE("a\\w", false); |
| CHECK_SIMPLE("a\\W", false); |
| CHECK_SIMPLE("a.", false); |
| CHECK_SIMPLE("a\\q", false); |
| CHECK_SIMPLE("a[a]", false); |
| CHECK_SIMPLE("a[^a]", false); |
| CHECK_SIMPLE("a[a-z]", false); |
| CHECK_SIMPLE("a[\\q]", false); |
| CHECK_SIMPLE("a(?:b)", false); |
| CHECK_SIMPLE("a(?=b)", false); |
| CHECK_SIMPLE("a(?!b)", false); |
| CHECK_SIMPLE("\\x60", false); |
| CHECK_SIMPLE("\\u0060", false); |
| CHECK_SIMPLE("\\cA", false); |
| CHECK_SIMPLE("\\q", false); |
| CHECK_SIMPLE("\\1112", false); |
| CHECK_SIMPLE("\\0", false); |
| CHECK_SIMPLE("(a)\\1", false); |
| CHECK_SIMPLE("(?=a)?a", false); |
| CHECK_SIMPLE("(?!a)?a\\1", false); |
| CHECK_SIMPLE("(?:(?=a))a\\1", false); |
| |
| CheckParseEq("a{}", "'a{}'"); |
| CheckParseEq("a{,}", "'a{,}'"); |
| CheckParseEq("a{", "'a{'"); |
| CheckParseEq("a{z}", "'a{z}'"); |
| CheckParseEq("a{1z}", "'a{1z}'"); |
| CheckParseEq("a{12z}", "'a{12z}'"); |
| CheckParseEq("a{12,", "'a{12,'"); |
| CheckParseEq("a{12,3b", "'a{12,3b'"); |
| CheckParseEq("{}", "'{}'"); |
| CheckParseEq("{,}", "'{,}'"); |
| CheckParseEq("{", "'{'"); |
| CheckParseEq("{z}", "'{z}'"); |
| CheckParseEq("{1z}", "'{1z}'"); |
| CheckParseEq("{12z}", "'{12z}'"); |
| CheckParseEq("{12,", "'{12,'"); |
| CheckParseEq("{12,3b", "'{12,3b'"); |
| |
| CHECK_MIN_MAX("a", 1, 1); |
| CHECK_MIN_MAX("abc", 3, 3); |
| CHECK_MIN_MAX("a[bc]d", 3, 3); |
| CHECK_MIN_MAX("a|bc", 1, 2); |
| CHECK_MIN_MAX("ab|c", 1, 2); |
| CHECK_MIN_MAX("a||bc", 0, 2); |
| CHECK_MIN_MAX("|", 0, 0); |
| CHECK_MIN_MAX("(?:ab)", 2, 2); |
| CHECK_MIN_MAX("(?:ab|cde)", 2, 3); |
| CHECK_MIN_MAX("(?:ab)|cde", 2, 3); |
| CHECK_MIN_MAX("(ab)", 2, 2); |
| CHECK_MIN_MAX("(ab|cde)", 2, 3); |
| CHECK_MIN_MAX("(ab)\\1", 2, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(ab|cde)\\1", 2, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:ab)?", 0, 2); |
| CHECK_MIN_MAX("(?:ab)*", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:ab)+", 2, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a?", 0, 1); |
| CHECK_MIN_MAX("a*", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a+", 1, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a??", 0, 1); |
| CHECK_MIN_MAX("a*?", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a+?", 1, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a?)?", 0, 1); |
| CHECK_MIN_MAX("(?:a*)?", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a+)?", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a?)+", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a*)+", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a+)+", 1, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a?)*", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a*)*", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a+)*", 0, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a{0}", 0, 0); |
| CHECK_MIN_MAX("(?:a+){0}", 0, 0); |
| CHECK_MIN_MAX("(?:a+){0,0}", 0, 0); |
| CHECK_MIN_MAX("a*b", 1, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a+b", 2, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a*b|c", 1, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("a+b|c", 1, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:a{5,1000000}){3,1000000}", 15, RegExpTree::kInfinity); |
| CHECK_MIN_MAX("(?:ab){4,7}", 8, 14); |
| CHECK_MIN_MAX("a\\bc", 2, 2); |
| CHECK_MIN_MAX("a\\Bc", 2, 2); |
| CHECK_MIN_MAX("a\\sc", 3, 3); |
| CHECK_MIN_MAX("a\\Sc", 3, 3); |
| CHECK_MIN_MAX("a(?=b)c", 2, 2); |
| CHECK_MIN_MAX("a(?=bbb|bb)c", 2, 2); |
| CHECK_MIN_MAX("a(?!bbb|bb)c", 2, 2); |
| |
| CheckParseEq("(?<a>x)(?<b>x)(?<c>x)\\k<a>", |
| "(: (^ 'x') (^ 'x') (^ 'x') (<- 1))", true); |
| CheckParseEq("(?<a>x)(?<b>x)(?<c>x)\\k<b>", |
| "(: (^ 'x') (^ 'x') (^ 'x') (<- 2))", true); |
| CheckParseEq("(?<a>x)(?<b>x)(?<c>x)\\k<c>", |
| "(: (^ 'x') (^ 'x') (^ 'x') (<- 3))", true); |
| CheckParseEq("(?<a>a)\\k<a>", "(: (^ 'a') (<- 1))", true); |
| CheckParseEq("(?<a>a\\k<a>)", "(^ 'a')", true); |
| CheckParseEq("(?<a>\\k<a>a)", "(^ 'a')", true); |
| CheckParseEq("(?<a>\\k<b>)(?<b>\\k<a>)", "(: (^ (<- 2)) (^ (<- 1)))", true); |
| CheckParseEq("\\k<a>(?<a>a)", "(: (<- 1) (^ 'a'))", true); |
| |
| CheckParseEq("(?<\\u{03C0}>a)", "(^ 'a')", true); |
| CheckParseEq("(?<\\u03C0>a)", "(^ 'a')", true); |
| } |
| |
| TEST(ParserRegression) { |
| CheckParseEq("[A-Z$-][x]", "(! [A-Z $ -] [x])"); |
| CheckParseEq("a{3,4*}", "(: 'a{3,' (# 0 - g '4') '}')"); |
| CheckParseEq("{", "'{'"); |
| CheckParseEq("a|", "(| 'a' %)"); |
| } |
| |
| static void ExpectError(const char* input, const char* expected, |
| bool unicode = false) { |
| Isolate* isolate = CcTest::i_isolate(); |
| |
| v8::HandleScope scope(CcTest::isolate()); |
| Zone zone(isolate->allocator(), ZONE_NAME); |
| Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(input); |
| FlatStringReader reader(isolate, str); |
| RegExpCompileData result; |
| JSRegExp::Flags flags = JSRegExp::kNone; |
| if (unicode) flags |= JSRegExp::kUnicode; |
| CHECK(!v8::internal::RegExpParser::ParseRegExp(isolate, &zone, &reader, flags, |
| &result)); |
| CHECK_NULL(result.tree); |
| CHECK(result.error != RegExpError::kNone); |
| CHECK_EQ(0, strcmp(expected, RegExpErrorString(result.error))); |
| } |
| |
| |
| TEST(Errors) { |
| const char* kEndBackslash = "\\ at end of pattern"; |
| ExpectError("\\", kEndBackslash); |
| const char* kUnterminatedGroup = "Unterminated group"; |
| ExpectError("(foo", kUnterminatedGroup); |
| const char* kInvalidGroup = "Invalid group"; |
| ExpectError("(?", kInvalidGroup); |
| const char* kUnterminatedCharacterClass = "Unterminated character class"; |
| ExpectError("[", kUnterminatedCharacterClass); |
| ExpectError("[a-", kUnterminatedCharacterClass); |
| const char* kNothingToRepeat = "Nothing to repeat"; |
| ExpectError("*", kNothingToRepeat); |
| ExpectError("?", kNothingToRepeat); |
| ExpectError("+", kNothingToRepeat); |
| ExpectError("{1}", kNothingToRepeat); |
| ExpectError("{1,2}", kNothingToRepeat); |
| ExpectError("{1,}", kNothingToRepeat); |
| |
| // Check that we don't allow more than kMaxCapture captures |
| const int kMaxCaptures = 1 << 16; // Must match RegExpParser::kMaxCaptures. |
| const char* kTooManyCaptures = "Too many captures"; |
| std::ostringstream os; |
| for (int i = 0; i <= kMaxCaptures; i++) { |
| os << "()"; |
| } |
| ExpectError(os.str().c_str(), kTooManyCaptures); |
| |
| const char* kInvalidCaptureName = "Invalid capture group name"; |
| ExpectError("(?<>.)", kInvalidCaptureName, true); |
| ExpectError("(?<1>.)", kInvalidCaptureName, true); |
| ExpectError("(?<_%>.)", kInvalidCaptureName, true); |
| ExpectError("\\k<a", kInvalidCaptureName, true); |
| const char* kDuplicateCaptureName = "Duplicate capture group name"; |
| ExpectError("(?<a>.)(?<a>.)", kDuplicateCaptureName, true); |
| const char* kInvalidUnicodeEscape = "Invalid Unicode escape"; |
| ExpectError("(?<\\u{FISK}", kInvalidUnicodeEscape, true); |
| const char* kInvalidCaptureReferenced = "Invalid named capture referenced"; |
| ExpectError("\\k<a>", kInvalidCaptureReferenced, true); |
| ExpectError("(?<b>)\\k<a>", kInvalidCaptureReferenced, true); |
| const char* kInvalidNamedReference = "Invalid named reference"; |
| ExpectError("\\ka", kInvalidNamedReference, true); |
| } |
| |
| static bool IsDigit(uc32 c) { return ('0' <= c && c <= '9'); } |
| |
| static bool NotDigit(uc32 c) { return !IsDigit(c); } |
| |
| static bool IsWhiteSpaceOrLineTerminator(uc32 c) { |
| // According to ECMA 5.1, 15.10.2.12 the CharacterClassEscape \s includes |
| // WhiteSpace (7.2) and LineTerminator (7.3) values. |
| return v8::internal::IsWhiteSpaceOrLineTerminator(c); |
| } |
| |
| static bool NotWhiteSpaceNorLineTermiantor(uc32 c) { |
| return !IsWhiteSpaceOrLineTerminator(c); |
| } |
| |
| static bool NotWord(uc32 c) { return !IsRegExpWord(c); } |
| |
| static bool NotLineTerminator(uc32 c) { return !unibrow::IsLineTerminator(c); } |
| |
| static void TestCharacterClassEscapes(uc32 c, bool(pred)(uc32 c)) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| ZoneList<CharacterRange>* ranges = |
| zone.New<ZoneList<CharacterRange>>(2, &zone); |
| CharacterRange::AddClassEscape(c, ranges, &zone); |
| for (uc32 i = 0; i < (1 << 16); i++) { |
| bool in_class = false; |
| for (int j = 0; !in_class && j < ranges->length(); j++) { |
| CharacterRange& range = ranges->at(j); |
| in_class = (range.from() <= i && i <= range.to()); |
| } |
| CHECK_EQ(pred(i), in_class); |
| } |
| } |
| |
| TEST(CharacterClassEscapes) { |
| TestCharacterClassEscapes('.', NotLineTerminator); |
| TestCharacterClassEscapes('d', IsDigit); |
| TestCharacterClassEscapes('D', NotDigit); |
| TestCharacterClassEscapes('s', IsWhiteSpaceOrLineTerminator); |
| TestCharacterClassEscapes('S', NotWhiteSpaceNorLineTermiantor); |
| TestCharacterClassEscapes('w', IsRegExpWord); |
| TestCharacterClassEscapes('W', NotWord); |
| } |
| |
| |
| static RegExpNode* Compile(const char* input, bool multiline, bool unicode, |
| bool is_one_byte, Zone* zone) { |
| Isolate* isolate = CcTest::i_isolate(); |
| Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(input); |
| FlatStringReader reader(isolate, str); |
| RegExpCompileData compile_data; |
| compile_data.compilation_target = RegExpCompilationTarget::kNative; |
| JSRegExp::Flags flags = JSRegExp::kNone; |
| if (multiline) flags = JSRegExp::kMultiline; |
| if (unicode) flags = JSRegExp::kUnicode; |
| if (!v8::internal::RegExpParser::ParseRegExp(isolate, zone, &reader, flags, |
| &compile_data)) |
| return nullptr; |
| Handle<String> pattern = isolate->factory() |
| ->NewStringFromUtf8(CStrVector(input)) |
| .ToHandleChecked(); |
| Handle<String> sample_subject = |
| isolate->factory()->NewStringFromUtf8(CStrVector("")).ToHandleChecked(); |
| RegExp::CompileForTesting(isolate, zone, &compile_data, flags, pattern, |
| sample_subject, is_one_byte); |
| return compile_data.node; |
| } |
| |
| |
| static void Execute(const char* input, bool multiline, bool unicode, |
| bool is_one_byte, bool dot_output = false) { |
| v8::HandleScope scope(CcTest::isolate()); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| RegExpNode* node = Compile(input, multiline, unicode, is_one_byte, &zone); |
| USE(node); |
| #ifdef DEBUG |
| if (dot_output) RegExp::DotPrintForTesting(input, node); |
| #endif // DEBUG |
| } |
| |
| // Test of debug-only syntax. |
| #ifdef DEBUG |
| |
| TEST(ParsePossessiveRepetition) { |
| bool old_flag_value = FLAG_regexp_possessive_quantifier; |
| |
| // Enable possessive quantifier syntax. |
| FLAG_regexp_possessive_quantifier = true; |
| |
| CheckParseEq("a*+", "(# 0 - p 'a')"); |
| CheckParseEq("a++", "(# 1 - p 'a')"); |
| CheckParseEq("a?+", "(# 0 1 p 'a')"); |
| CheckParseEq("a{10,20}+", "(# 10 20 p 'a')"); |
| CheckParseEq("za{10,20}+b", "(: 'z' (# 10 20 p 'a') 'b')"); |
| |
| // Disable possessive quantifier syntax. |
| FLAG_regexp_possessive_quantifier = false; |
| |
| CHECK_PARSE_ERROR("a*+"); |
| CHECK_PARSE_ERROR("a++"); |
| CHECK_PARSE_ERROR("a?+"); |
| CHECK_PARSE_ERROR("a{10,20}+"); |
| CHECK_PARSE_ERROR("a{10,20}+b"); |
| |
| FLAG_regexp_possessive_quantifier = old_flag_value; |
| } |
| |
| #endif |
| |
| // Tests of interpreter. |
| |
| #if V8_TARGET_ARCH_IA32 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerIA32; |
| #elif V8_TARGET_ARCH_X64 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerX64; |
| #elif V8_TARGET_ARCH_ARM |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerARM; |
| #elif V8_TARGET_ARCH_ARM64 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerARM64; |
| #elif V8_TARGET_ARCH_S390 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerS390; |
| #elif V8_TARGET_ARCH_PPC || V8_TARGET_ARCH_PPC64 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerPPC; |
| #elif V8_TARGET_ARCH_MIPS |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerMIPS; |
| #elif V8_TARGET_ARCH_MIPS64 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerMIPS; |
| #elif V8_TARGET_ARCH_X87 |
| using ArchRegExpMacroAssembler = RegExpMacroAssemblerX87; |
| #endif |
| |
| class ContextInitializer { |
| public: |
| ContextInitializer() |
| : scope_(CcTest::isolate()), |
| env_(v8::Context::New(CcTest::isolate())) { |
| env_->Enter(); |
| } |
| ~ContextInitializer() { |
| env_->Exit(); |
| } |
| private: |
| v8::HandleScope scope_; |
| v8::Local<v8::Context> env_; |
| }; |
| |
| // Create new JSRegExp object with only necessary fields (for this tests) |
| // initialized. |
| static Handle<JSRegExp> CreateJSRegExp(Handle<String> source, Handle<Code> code, |
| bool is_unicode = false) { |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Handle<JSFunction> constructor = isolate->regexp_function(); |
| Handle<JSRegExp> regexp = |
| Handle<JSRegExp>::cast(factory->NewJSObject(constructor)); |
| |
| factory->SetRegExpIrregexpData(regexp, source, JSRegExp::kNone, 0, |
| JSRegExp::kNoBacktrackLimit); |
| regexp->SetDataAt(is_unicode ? JSRegExp::kIrregexpUC16CodeIndex |
| : JSRegExp::kIrregexpLatin1CodeIndex, |
| *code); |
| |
| return regexp; |
| } |
| |
| static ArchRegExpMacroAssembler::Result Execute(JSRegExp regexp, String input, |
| int start_offset, |
| Address input_start, |
| Address input_end, |
| int* captures) { |
| return static_cast<NativeRegExpMacroAssembler::Result>( |
| NativeRegExpMacroAssembler::Execute( |
| input, start_offset, reinterpret_cast<byte*>(input_start), |
| reinterpret_cast<byte*>(input_end), captures, 0, CcTest::i_isolate(), |
| regexp)); |
| } |
| |
| TEST(MacroAssemblerNativeSuccess) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 4); |
| |
| m.Succeed(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars(""); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| int captures[4] = {42, 37, 87, 117}; |
| Handle<String> input = factory->NewStringFromStaticChars("foofoo"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + seq_input->length(), captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(-1, captures[0]); |
| CHECK_EQ(-1, captures[1]); |
| CHECK_EQ(-1, captures[2]); |
| CHECK_EQ(-1, captures[3]); |
| } |
| |
| |
| TEST(MacroAssemblerNativeSimple) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 4); |
| |
| Label fail, backtrack; |
| m.PushBacktrack(&fail); |
| m.CheckNotAtStart(0, nullptr); |
| m.LoadCurrentCharacter(2, nullptr); |
| m.CheckNotCharacter('o', nullptr); |
| m.LoadCurrentCharacter(1, nullptr, false); |
| m.CheckNotCharacter('o', nullptr); |
| m.LoadCurrentCharacter(0, nullptr, false); |
| m.CheckNotCharacter('f', nullptr); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.WriteCurrentPositionToRegister(1, 3); |
| m.AdvanceCurrentPosition(3); |
| m.PushBacktrack(&backtrack); |
| m.Succeed(); |
| m.BindJumpTarget(&backtrack); |
| m.Backtrack(); |
| m.BindJumpTarget(&fail); |
| m.Fail(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("^foo"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| int captures[4] = {42, 37, 87, 117}; |
| Handle<String> input = factory->NewStringFromStaticChars("foofoo"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, captures[0]); |
| CHECK_EQ(3, captures[1]); |
| CHECK_EQ(-1, captures[2]); |
| CHECK_EQ(-1, captures[3]); |
| |
| input = factory->NewStringFromStaticChars("barbarbar"); |
| seq_input = Handle<SeqOneByteString>::cast(input); |
| start_adr = seq_input->GetCharsAddress(); |
| |
| result = Execute(*regexp, *input, 0, start_adr, start_adr + input->length(), |
| captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::FAILURE, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeSimpleUC16) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::UC16, |
| 4); |
| |
| Label fail, backtrack; |
| m.PushBacktrack(&fail); |
| m.CheckNotAtStart(0, nullptr); |
| m.LoadCurrentCharacter(2, nullptr); |
| m.CheckNotCharacter('o', nullptr); |
| m.LoadCurrentCharacter(1, nullptr, false); |
| m.CheckNotCharacter('o', nullptr); |
| m.LoadCurrentCharacter(0, nullptr, false); |
| m.CheckNotCharacter('f', nullptr); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.WriteCurrentPositionToRegister(1, 3); |
| m.AdvanceCurrentPosition(3); |
| m.PushBacktrack(&backtrack); |
| m.Succeed(); |
| m.BindJumpTarget(&backtrack); |
| m.Backtrack(); |
| m.BindJumpTarget(&fail); |
| m.Fail(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("^foo"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code, true); |
| |
| int captures[4] = {42, 37, 87, 117}; |
| const uc16 input_data[6] = {'f', 'o', 'o', 'f', 'o', |
| static_cast<uc16>(0x2603)}; |
| Handle<String> input = factory->NewStringFromTwoByte( |
| Vector<const uc16>(input_data, 6)).ToHandleChecked(); |
| Handle<SeqTwoByteString> seq_input = Handle<SeqTwoByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, captures[0]); |
| CHECK_EQ(3, captures[1]); |
| CHECK_EQ(-1, captures[2]); |
| CHECK_EQ(-1, captures[3]); |
| |
| const uc16 input_data2[9] = {'b', 'a', 'r', 'b', 'a', 'r', 'b', 'a', |
| static_cast<uc16>(0x2603)}; |
| input = factory->NewStringFromTwoByte( |
| Vector<const uc16>(input_data2, 9)).ToHandleChecked(); |
| seq_input = Handle<SeqTwoByteString>::cast(input); |
| start_adr = seq_input->GetCharsAddress(); |
| |
| result = Execute(*regexp, *input, 0, start_adr, |
| start_adr + input->length() * 2, captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::FAILURE, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBacktrack) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 0); |
| |
| Label fail; |
| Label backtrack; |
| m.LoadCurrentCharacter(10, &fail); |
| m.Succeed(); |
| m.BindJumpTarget(&fail); |
| m.PushBacktrack(&backtrack); |
| m.LoadCurrentCharacter(10, nullptr); |
| m.Succeed(); |
| m.BindJumpTarget(&backtrack); |
| m.Fail(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars(".........."); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| Handle<String> input = factory->NewStringFromStaticChars("foofoo"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), nullptr); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::FAILURE, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBackReferenceLATIN1) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 4); |
| |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.AdvanceCurrentPosition(2); |
| m.WriteCurrentPositionToRegister(1, 0); |
| Label nomatch; |
| m.CheckNotBackReference(0, false, &nomatch); |
| m.Fail(); |
| m.Bind(&nomatch); |
| m.AdvanceCurrentPosition(2); |
| Label missing_match; |
| m.CheckNotBackReference(0, false, &missing_match); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.Succeed(); |
| m.Bind(&missing_match); |
| m.Fail(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("^(..)..\1"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| Handle<String> input = factory->NewStringFromStaticChars("fooofo"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[4]; |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), output); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, output[0]); |
| CHECK_EQ(2, output[1]); |
| CHECK_EQ(6, output[2]); |
| CHECK_EQ(-1, output[3]); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBackReferenceUC16) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::UC16, |
| 4); |
| |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.AdvanceCurrentPosition(2); |
| m.WriteCurrentPositionToRegister(1, 0); |
| Label nomatch; |
| m.CheckNotBackReference(0, false, &nomatch); |
| m.Fail(); |
| m.Bind(&nomatch); |
| m.AdvanceCurrentPosition(2); |
| Label missing_match; |
| m.CheckNotBackReference(0, false, &missing_match); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.Succeed(); |
| m.Bind(&missing_match); |
| m.Fail(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("^(..)..\1"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code, true); |
| |
| const uc16 input_data[6] = {'f', 0x2028, 'o', 'o', 'f', 0x2028}; |
| Handle<String> input = factory->NewStringFromTwoByte( |
| Vector<const uc16>(input_data, 6)).ToHandleChecked(); |
| Handle<SeqTwoByteString> seq_input = Handle<SeqTwoByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[4]; |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length() * 2, output); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, output[0]); |
| CHECK_EQ(2, output[1]); |
| CHECK_EQ(6, output[2]); |
| CHECK_EQ(-1, output[3]); |
| } |
| |
| |
| |
| TEST(MacroAssemblernativeAtStart) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 0); |
| |
| Label not_at_start, newline, fail; |
| m.CheckNotAtStart(0, ¬_at_start); |
| // Check that prevchar = '\n' and current = 'f'. |
| m.CheckCharacter('\n', &newline); |
| m.BindJumpTarget(&fail); |
| m.Fail(); |
| m.Bind(&newline); |
| m.LoadCurrentCharacter(0, &fail); |
| m.CheckNotCharacter('f', &fail); |
| m.Succeed(); |
| |
| m.Bind(¬_at_start); |
| // Check that prevchar = 'o' and current = 'b'. |
| Label prevo; |
| m.CheckCharacter('o', &prevo); |
| m.Fail(); |
| m.Bind(&prevo); |
| m.LoadCurrentCharacter(0, &fail); |
| m.CheckNotCharacter('b', &fail); |
| m.Succeed(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("(^f|ob)"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| Handle<String> input = factory->NewStringFromStaticChars("foobar"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), nullptr); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| |
| result = Execute(*regexp, *input, 3, start_adr + 3, |
| start_adr + input->length(), nullptr); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBackRefNoCase) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 4); |
| |
| Label fail, succ; |
| |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.AdvanceCurrentPosition(3); |
| m.WriteCurrentPositionToRegister(3, 0); |
| m.CheckNotBackReferenceIgnoreCase(2, false, false, &fail); // Match "AbC". |
| m.CheckNotBackReferenceIgnoreCase(2, false, false, &fail); // Match "ABC". |
| Label expected_fail; |
| m.CheckNotBackReferenceIgnoreCase(2, false, false, &expected_fail); |
| m.BindJumpTarget(&fail); |
| m.Fail(); |
| |
| m.Bind(&expected_fail); |
| m.AdvanceCurrentPosition(3); // Skip "xYz" |
| m.CheckNotBackReferenceIgnoreCase(2, false, false, &succ); |
| m.Fail(); |
| |
| m.Bind(&succ); |
| m.WriteCurrentPositionToRegister(1, 0); |
| m.Succeed(); |
| |
| Handle<String> source = |
| factory->NewStringFromStaticChars("^(abc)\1\1(?!\1)...(?!\1)"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| Handle<String> input = factory->NewStringFromStaticChars("aBcAbCABCxYzab"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[4]; |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), output); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, output[0]); |
| CHECK_EQ(12, output[1]); |
| CHECK_EQ(0, output[2]); |
| CHECK_EQ(3, output[3]); |
| } |
| |
| |
| |
| TEST(MacroAssemblerNativeRegisters) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 6); |
| |
| uc16 foo_chars[3] = {'f', 'o', 'o'}; |
| Vector<const uc16> foo(foo_chars, 3); |
| |
| enum registers { out1, out2, out3, out4, out5, out6, sp, loop_cnt }; |
| Label fail; |
| Label backtrack; |
| m.WriteCurrentPositionToRegister(out1, 0); // Output: [0] |
| m.PushRegister(out1, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.PushBacktrack(&backtrack); |
| m.WriteStackPointerToRegister(sp); |
| // Fill stack and registers |
| m.AdvanceCurrentPosition(2); |
| m.WriteCurrentPositionToRegister(out1, 0); |
| m.PushRegister(out1, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.PushBacktrack(&fail); |
| // Drop backtrack stack frames. |
| m.ReadStackPointerFromRegister(sp); |
| // And take the first backtrack (to &backtrack) |
| m.Backtrack(); |
| |
| m.PushCurrentPosition(); |
| m.AdvanceCurrentPosition(2); |
| m.PopCurrentPosition(); |
| |
| m.BindJumpTarget(&backtrack); |
| m.PopRegister(out1); |
| m.ReadCurrentPositionFromRegister(out1); |
| m.AdvanceCurrentPosition(3); |
| m.WriteCurrentPositionToRegister(out2, 0); // [0,3] |
| |
| Label loop; |
| m.SetRegister(loop_cnt, 0); // loop counter |
| m.Bind(&loop); |
| m.AdvanceRegister(loop_cnt, 1); |
| m.AdvanceCurrentPosition(1); |
| m.IfRegisterLT(loop_cnt, 3, &loop); |
| m.WriteCurrentPositionToRegister(out3, 0); // [0,3,6] |
| |
| Label loop2; |
| m.SetRegister(loop_cnt, 2); // loop counter |
| m.Bind(&loop2); |
| m.AdvanceRegister(loop_cnt, -1); |
| m.AdvanceCurrentPosition(1); |
| m.IfRegisterGE(loop_cnt, 0, &loop2); |
| m.WriteCurrentPositionToRegister(out4, 0); // [0,3,6,9] |
| |
| Label loop3; |
| Label exit_loop3; |
| m.PushRegister(out4, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.PushRegister(out4, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.ReadCurrentPositionFromRegister(out3); |
| m.Bind(&loop3); |
| m.AdvanceCurrentPosition(1); |
| m.CheckGreedyLoop(&exit_loop3); |
| m.GoTo(&loop3); |
| m.Bind(&exit_loop3); |
| m.PopCurrentPosition(); |
| m.WriteCurrentPositionToRegister(out5, 0); // [0,3,6,9,9,-1] |
| |
| m.Succeed(); |
| |
| m.BindJumpTarget(&fail); |
| m.Fail(); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("<loop test>"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| // String long enough for test (content doesn't matter). |
| Handle<String> input = factory->NewStringFromStaticChars("foofoofoofoofoo"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[6]; |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), output); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, output[0]); |
| CHECK_EQ(3, output[1]); |
| CHECK_EQ(6, output[2]); |
| CHECK_EQ(9, output[3]); |
| CHECK_EQ(9, output[4]); |
| CHECK_EQ(-1, output[5]); |
| } |
| |
| |
| TEST(MacroAssemblerStackOverflow) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 0); |
| |
| Label loop; |
| m.Bind(&loop); |
| m.PushBacktrack(&loop); |
| m.GoTo(&loop); |
| |
| Handle<String> source = |
| factory->NewStringFromStaticChars("<stack overflow test>"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| // String long enough for test (content doesn't matter). |
| Handle<String> input = factory->NewStringFromStaticChars("dummy"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), nullptr); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::EXCEPTION, result); |
| CHECK(isolate->has_pending_exception()); |
| isolate->clear_pending_exception(); |
| } |
| |
| |
| TEST(MacroAssemblerNativeLotsOfRegisters) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| |
| ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1, |
| 2); |
| |
| // At least 2048, to ensure the allocated space for registers |
| // span one full page. |
| const int large_number = 8000; |
| m.WriteCurrentPositionToRegister(large_number, 42); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.WriteCurrentPositionToRegister(1, 1); |
| Label done; |
| m.CheckNotBackReference(0, false, &done); // Performs a system-stack push. |
| m.Bind(&done); |
| m.PushRegister(large_number, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.PopRegister(1); |
| m.Succeed(); |
| |
| Handle<String> source = |
| factory->NewStringFromStaticChars("<huge register space test>"); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| Handle<JSRegExp> regexp = CreateJSRegExp(source, code); |
| |
| // String long enough for test (content doesn't matter). |
| Handle<String> input = factory->NewStringFromStaticChars("sample text"); |
| Handle<SeqOneByteString> seq_input = Handle<SeqOneByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int captures[2]; |
| NativeRegExpMacroAssembler::Result result = Execute( |
| *regexp, *input, 0, start_adr, start_adr + input->length(), captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, captures[0]); |
| CHECK_EQ(42, captures[1]); |
| |
| isolate->clear_pending_exception(); |
| } |
| |
| TEST(MacroAssembler) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| RegExpBytecodeGenerator m(CcTest::i_isolate(), &zone); |
| // ^f(o)o. |
| Label start, fail, backtrack; |
| |
| m.SetRegister(4, 42); |
| m.PushRegister(4, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.AdvanceRegister(4, 42); |
| m.GoTo(&start); |
| m.Fail(); |
| m.Bind(&start); |
| m.PushBacktrack(&fail); |
| m.CheckNotAtStart(0, nullptr); |
| m.LoadCurrentCharacter(0, nullptr); |
| m.CheckNotCharacter('f', nullptr); |
| m.LoadCurrentCharacter(1, nullptr); |
| m.CheckNotCharacter('o', nullptr); |
| m.LoadCurrentCharacter(2, nullptr); |
| m.CheckNotCharacter('o', nullptr); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.WriteCurrentPositionToRegister(1, 3); |
| m.WriteCurrentPositionToRegister(2, 1); |
| m.WriteCurrentPositionToRegister(3, 2); |
| m.AdvanceCurrentPosition(3); |
| m.PushBacktrack(&backtrack); |
| m.Succeed(); |
| m.BindJumpTarget(&backtrack); |
| m.ClearRegisters(2, 3); |
| m.Backtrack(); |
| m.BindJumpTarget(&fail); |
| m.PopRegister(0); |
| m.Fail(); |
| |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("^f(o)o"); |
| Handle<ByteArray> array = Handle<ByteArray>::cast(m.GetCode(source)); |
| int captures[5]; |
| std::memset(captures, 0, sizeof(captures)); |
| |
| const uc16 str1[] = {'f', 'o', 'o', 'b', 'a', 'r'}; |
| Handle<String> f1_16 = factory->NewStringFromTwoByte( |
| Vector<const uc16>(str1, 6)).ToHandleChecked(); |
| |
| CHECK_EQ(IrregexpInterpreter::SUCCESS, |
| IrregexpInterpreter::MatchInternal( |
| isolate, *array, *f1_16, captures, 5, 5, 0, |
| RegExp::CallOrigin::kFromRuntime, JSRegExp::kNoBacktrackLimit)); |
| CHECK_EQ(0, captures[0]); |
| CHECK_EQ(3, captures[1]); |
| CHECK_EQ(1, captures[2]); |
| CHECK_EQ(2, captures[3]); |
| CHECK_EQ(84, captures[4]); |
| |
| const uc16 str2[] = {'b', 'a', 'r', 'f', 'o', 'o'}; |
| Handle<String> f2_16 = factory->NewStringFromTwoByte( |
| Vector<const uc16>(str2, 6)).ToHandleChecked(); |
| |
| std::memset(captures, 0, sizeof(captures)); |
| CHECK_EQ(IrregexpInterpreter::FAILURE, |
| IrregexpInterpreter::MatchInternal( |
| isolate, *array, *f2_16, captures, 5, 5, 0, |
| RegExp::CallOrigin::kFromRuntime, JSRegExp::kNoBacktrackLimit)); |
| // Failed matches don't alter output registers. |
| CHECK_EQ(0, captures[0]); |
| CHECK_EQ(0, captures[1]); |
| CHECK_EQ(0, captures[2]); |
| CHECK_EQ(0, captures[3]); |
| CHECK_EQ(0, captures[4]); |
| } |
| |
| #ifndef V8_INTL_SUPPORT |
| static uc32 canonicalize(uc32 c) { |
| unibrow::uchar canon[unibrow::Ecma262Canonicalize::kMaxWidth]; |
| int count = unibrow::Ecma262Canonicalize::Convert(c, '\0', canon, nullptr); |
| if (count == 0) { |
| return c; |
| } else { |
| CHECK_EQ(1, count); |
| return canon[0]; |
| } |
| } |
| |
| TEST(LatinCanonicalize) { |
| unibrow::Mapping<unibrow::Ecma262UnCanonicalize> un_canonicalize; |
| for (unibrow::uchar lower = 'a'; lower <= 'z'; lower++) { |
| unibrow::uchar upper = lower + ('A' - 'a'); |
| CHECK_EQ(canonicalize(lower), canonicalize(upper)); |
| unibrow::uchar uncanon[unibrow::Ecma262UnCanonicalize::kMaxWidth]; |
| int length = un_canonicalize.get(lower, '\0', uncanon); |
| CHECK_EQ(2, length); |
| CHECK_EQ(upper, uncanon[0]); |
| CHECK_EQ(lower, uncanon[1]); |
| } |
| for (uc32 c = 128; c < (1 << 21); c++) |
| CHECK_GE(canonicalize(c), 128); |
| unibrow::Mapping<unibrow::ToUppercase> to_upper; |
| // Canonicalization is only defined for the Basic Multilingual Plane. |
| for (uc32 c = 0; c < (1 << 16); c++) { |
| unibrow::uchar upper[unibrow::ToUppercase::kMaxWidth]; |
| int length = to_upper.get(c, '\0', upper); |
| if (length == 0) { |
| length = 1; |
| upper[0] = c; |
| } |
| uc32 u = upper[0]; |
| if (length > 1 || (c >= 128 && u < 128)) |
| u = c; |
| CHECK_EQ(u, canonicalize(c)); |
| } |
| } |
| |
| static uc32 CanonRangeEnd(uc32 c) { |
| unibrow::uchar canon[unibrow::CanonicalizationRange::kMaxWidth]; |
| int count = unibrow::CanonicalizationRange::Convert(c, '\0', canon, nullptr); |
| if (count == 0) { |
| return c; |
| } else { |
| CHECK_EQ(1, count); |
| return canon[0]; |
| } |
| } |
| |
| |
| TEST(RangeCanonicalization) { |
| // Check that we arrive at the same result when using the basic |
| // range canonicalization primitives as when using immediate |
| // canonicalization. |
| unibrow::Mapping<unibrow::Ecma262UnCanonicalize> un_canonicalize; |
| int block_start = 0; |
| while (block_start <= 0xFFFF) { |
| uc32 block_end = CanonRangeEnd(block_start); |
| unsigned block_length = block_end - block_start + 1; |
| if (block_length > 1) { |
| unibrow::uchar first[unibrow::Ecma262UnCanonicalize::kMaxWidth]; |
| int first_length = un_canonicalize.get(block_start, '\0', first); |
| for (unsigned i = 1; i < block_length; i++) { |
| unibrow::uchar succ[unibrow::Ecma262UnCanonicalize::kMaxWidth]; |
| int succ_length = un_canonicalize.get(block_start + i, '\0', succ); |
| CHECK_EQ(first_length, succ_length); |
| for (int j = 0; j < succ_length; j++) { |
| int calc = first[j] + i; |
| int found = succ[j]; |
| CHECK_EQ(calc, found); |
| } |
| } |
| } |
| block_start = block_start + block_length; |
| } |
| } |
| |
| |
| TEST(UncanonicalizeEquivalence) { |
| unibrow::Mapping<unibrow::Ecma262UnCanonicalize> un_canonicalize; |
| unibrow::uchar chars[unibrow::Ecma262UnCanonicalize::kMaxWidth]; |
| for (int i = 0; i < (1 << 16); i++) { |
| int length = un_canonicalize.get(i, '\0', chars); |
| for (int j = 0; j < length; j++) { |
| unibrow::uchar chars2[unibrow::Ecma262UnCanonicalize::kMaxWidth]; |
| int length2 = un_canonicalize.get(chars[j], '\0', chars2); |
| CHECK_EQ(length, length2); |
| for (int k = 0; k < length; k++) |
| CHECK_EQ(static_cast<int>(chars[k]), static_cast<int>(chars2[k])); |
| } |
| } |
| } |
| |
| #endif |
| |
| static void TestRangeCaseIndependence(Isolate* isolate, CharacterRange input, |
| Vector<CharacterRange> expected) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| int count = expected.length(); |
| ZoneList<CharacterRange>* list = |
| zone.New<ZoneList<CharacterRange>>(count, &zone); |
| list->Add(input, &zone); |
| CharacterRange::AddCaseEquivalents(isolate, &zone, list, false); |
| list->Remove(0); // Remove the input before checking results. |
| CHECK_EQ(count, list->length()); |
| for (int i = 0; i < list->length(); i++) { |
| CHECK_EQ(expected[i].from(), list->at(i).from()); |
| CHECK_EQ(expected[i].to(), list->at(i).to()); |
| } |
| } |
| |
| |
| static void TestSimpleRangeCaseIndependence(Isolate* isolate, |
| CharacterRange input, |
| CharacterRange expected) { |
| EmbeddedVector<CharacterRange, 1> vector; |
| vector[0] = expected; |
| TestRangeCaseIndependence(isolate, input, vector); |
| } |
| |
| |
| TEST(CharacterRangeCaseIndependence) { |
| Isolate* isolate = CcTest::i_isolate(); |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Singleton('a'), |
| CharacterRange::Singleton('A')); |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Singleton('z'), |
| CharacterRange::Singleton('Z')); |
| #ifndef V8_INTL_SUPPORT |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('a', 'z'), |
| CharacterRange::Range('A', 'Z')); |
| #endif // !V8_INTL_SUPPORT |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('c', 'f'), |
| CharacterRange::Range('C', 'F')); |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('a', 'b'), |
| CharacterRange::Range('A', 'B')); |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('y', 'z'), |
| CharacterRange::Range('Y', 'Z')); |
| #ifndef V8_INTL_SUPPORT |
| TestSimpleRangeCaseIndependence(isolate, |
| CharacterRange::Range('a' - 1, 'z' + 1), |
| CharacterRange::Range('A', 'Z')); |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('A', 'Z'), |
| CharacterRange::Range('a', 'z')); |
| #endif // !V8_INTL_SUPPORT |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('C', 'F'), |
| CharacterRange::Range('c', 'f')); |
| #ifndef V8_INTL_SUPPORT |
| TestSimpleRangeCaseIndependence(isolate, |
| CharacterRange::Range('A' - 1, 'Z' + 1), |
| CharacterRange::Range('a', 'z')); |
| // Here we need to add [l-z] to complete the case independence of |
| // [A-Za-z] but we expect [a-z] to be added since we always add a |
| // whole block at a time. |
| TestSimpleRangeCaseIndependence(isolate, CharacterRange::Range('A', 'k'), |
| CharacterRange::Range('a', 'z')); |
| #endif // !V8_INTL_SUPPORT |
| } |
| |
| static bool InClass(uc32 c, |
| const UnicodeRangeSplitter::CharacterRangeVector* ranges) { |
| if (ranges == nullptr) return false; |
| for (size_t i = 0; i < ranges->size(); i++) { |
| CharacterRange range = ranges->at(i); |
| if (range.from() <= c && c <= range.to()) |
| return true; |
| } |
| return false; |
| } |
| |
| TEST(UnicodeRangeSplitter) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| ZoneList<CharacterRange>* base = zone.New<ZoneList<CharacterRange>>(1, &zone); |
| base->Add(CharacterRange::Everything(), &zone); |
| UnicodeRangeSplitter splitter(base); |
| // BMP |
| for (uc32 c = 0; c < 0xD800; c++) { |
| CHECK(InClass(c, splitter.bmp())); |
| CHECK(!InClass(c, splitter.lead_surrogates())); |
| CHECK(!InClass(c, splitter.trail_surrogates())); |
| CHECK(!InClass(c, splitter.non_bmp())); |
| } |
| // Lead surrogates |
| for (uc32 c = 0xD800; c < 0xDBFF; c++) { |
| CHECK(!InClass(c, splitter.bmp())); |
| CHECK(InClass(c, splitter.lead_surrogates())); |
| CHECK(!InClass(c, splitter.trail_surrogates())); |
| CHECK(!InClass(c, splitter.non_bmp())); |
| } |
| // Trail surrogates |
| for (uc32 c = 0xDC00; c < 0xDFFF; c++) { |
| CHECK(!InClass(c, splitter.bmp())); |
| CHECK(!InClass(c, splitter.lead_surrogates())); |
| CHECK(InClass(c, splitter.trail_surrogates())); |
| CHECK(!InClass(c, splitter.non_bmp())); |
| } |
| // BMP |
| for (uc32 c = 0xE000; c < 0xFFFF; c++) { |
| CHECK(InClass(c, splitter.bmp())); |
| CHECK(!InClass(c, splitter.lead_surrogates())); |
| CHECK(!InClass(c, splitter.trail_surrogates())); |
| CHECK(!InClass(c, splitter.non_bmp())); |
| } |
| // Non-BMP |
| for (uc32 c = 0x10000; c < 0x10FFFF; c++) { |
| CHECK(!InClass(c, splitter.bmp())); |
| CHECK(!InClass(c, splitter.lead_surrogates())); |
| CHECK(!InClass(c, splitter.trail_surrogates())); |
| CHECK(InClass(c, splitter.non_bmp())); |
| } |
| } |
| |
| |
| TEST(CanonicalizeCharacterSets) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| ZoneList<CharacterRange>* list = zone.New<ZoneList<CharacterRange>>(4, &zone); |
| CharacterSet set(list); |
| |
| list->Add(CharacterRange::Range(10, 20), &zone); |
| list->Add(CharacterRange::Range(30, 40), &zone); |
| list->Add(CharacterRange::Range(50, 60), &zone); |
| set.Canonicalize(); |
| CHECK_EQ(3, list->length()); |
| CHECK_EQ(10, list->at(0).from()); |
| CHECK_EQ(20, list->at(0).to()); |
| CHECK_EQ(30, list->at(1).from()); |
| CHECK_EQ(40, list->at(1).to()); |
| CHECK_EQ(50, list->at(2).from()); |
| CHECK_EQ(60, list->at(2).to()); |
| |
| list->Rewind(0); |
| list->Add(CharacterRange::Range(10, 20), &zone); |
| list->Add(CharacterRange::Range(50, 60), &zone); |
| list->Add(CharacterRange::Range(30, 40), &zone); |
| set.Canonicalize(); |
| CHECK_EQ(3, list->length()); |
| CHECK_EQ(10, list->at(0).from()); |
| CHECK_EQ(20, list->at(0).to()); |
| CHECK_EQ(30, list->at(1).from()); |
| CHECK_EQ(40, list->at(1).to()); |
| CHECK_EQ(50, list->at(2).from()); |
| CHECK_EQ(60, list->at(2).to()); |
| |
| list->Rewind(0); |
| list->Add(CharacterRange::Range(30, 40), &zone); |
| list->Add(CharacterRange::Range(10, 20), &zone); |
| list->Add(CharacterRange::Range(25, 25), &zone); |
| list->Add(CharacterRange::Range(100, 100), &zone); |
| list->Add(CharacterRange::Range(1, 1), &zone); |
| set.Canonicalize(); |
| CHECK_EQ(5, list->length()); |
| CHECK_EQ(1, list->at(0).from()); |
| CHECK_EQ(1, list->at(0).to()); |
| CHECK_EQ(10, list->at(1).from()); |
| CHECK_EQ(20, list->at(1).to()); |
| CHECK_EQ(25, list->at(2).from()); |
| CHECK_EQ(25, list->at(2).to()); |
| CHECK_EQ(30, list->at(3).from()); |
| CHECK_EQ(40, list->at(3).to()); |
| CHECK_EQ(100, list->at(4).from()); |
| CHECK_EQ(100, list->at(4).to()); |
| |
| list->Rewind(0); |
| list->Add(CharacterRange::Range(10, 19), &zone); |
| list->Add(CharacterRange::Range(21, 30), &zone); |
| list->Add(CharacterRange::Range(20, 20), &zone); |
| set.Canonicalize(); |
| CHECK_EQ(1, list->length()); |
| CHECK_EQ(10, list->at(0).from()); |
| CHECK_EQ(30, list->at(0).to()); |
| } |
| |
| |
| TEST(CharacterRangeMerge) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| ZoneList<CharacterRange> l1(4, &zone); |
| ZoneList<CharacterRange> l2(4, &zone); |
| // Create all combinations of intersections of ranges, both singletons and |
| // longer. |
| |
| int offset = 0; |
| |
| // The five kinds of singleton intersections: |
| // X |
| // Y - outside before |
| // Y - outside touching start |
| // Y - overlap |
| // Y - outside touching end |
| // Y - outside after |
| |
| for (int i = 0; i < 5; i++) { |
| l1.Add(CharacterRange::Singleton(offset + 2), &zone); |
| l2.Add(CharacterRange::Singleton(offset + i), &zone); |
| offset += 6; |
| } |
| |
| // The seven kinds of singleton/non-singleton intersections: |
| // XXX |
| // Y - outside before |
| // Y - outside touching start |
| // Y - inside touching start |
| // Y - entirely inside |
| // Y - inside touching end |
| // Y - outside touching end |
| // Y - disjoint after |
| |
| for (int i = 0; i < 7; i++) { |
| l1.Add(CharacterRange::Range(offset + 2, offset + 4), &zone); |
| l2.Add(CharacterRange::Singleton(offset + i), &zone); |
| offset += 8; |
| } |
| |
| // The eleven kinds of non-singleton intersections: |
| // |
| // XXXXXXXX |
| // YYYY - outside before. |
| // YYYY - outside touching start. |
| // YYYY - overlapping start |
| // YYYY - inside touching start |
| // YYYY - entirely inside |
| // YYYY - inside touching end |
| // YYYY - overlapping end |
| // YYYY - outside touching end |
| // YYYY - outside after |
| // YYYYYYYY - identical |
| // YYYYYYYYYYYY - containing entirely. |
| |
| for (int i = 0; i < 9; i++) { |
| l1.Add(CharacterRange::Range(offset + 6, offset + 15), &zone); // Length 8. |
| l2.Add(CharacterRange::Range(offset + 2 * i, offset + 2 * i + 3), &zone); |
| offset += 22; |
| } |
| l1.Add(CharacterRange::Range(offset + 6, offset + 15), &zone); |
| l2.Add(CharacterRange::Range(offset + 6, offset + 15), &zone); |
| offset += 22; |
| l1.Add(CharacterRange::Range(offset + 6, offset + 15), &zone); |
| l2.Add(CharacterRange::Range(offset + 4, offset + 17), &zone); |
| offset += 22; |
| |
| // Different kinds of multi-range overlap: |
| // XXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXX |
| // YYYY Y YYYY Y YYYY Y YYYY Y YYYY Y YYYY Y |
| |
| l1.Add(CharacterRange::Range(offset, offset + 21), &zone); |
| l1.Add(CharacterRange::Range(offset + 31, offset + 52), &zone); |
| for (int i = 0; i < 6; i++) { |
| l2.Add(CharacterRange::Range(offset + 2, offset + 5), &zone); |
| l2.Add(CharacterRange::Singleton(offset + 8), &zone); |
| offset += 9; |
| } |
| |
| CHECK(CharacterRange::IsCanonical(&l1)); |
| CHECK(CharacterRange::IsCanonical(&l2)); |
| |
| ZoneList<CharacterRange> first_only(4, &zone); |
| ZoneList<CharacterRange> second_only(4, &zone); |
| ZoneList<CharacterRange> both(4, &zone); |
| } |
| |
| |
| TEST(Graph) { |
| Execute("\\b\\w+\\b", false, true, true); |
| } |
| |
| |
| namespace { |
| |
| int* global_use_counts = nullptr; |
| |
| void MockUseCounterCallback(v8::Isolate* isolate, |
| v8::Isolate::UseCounterFeature feature) { |
| ++global_use_counts[feature]; |
| } |
| } |
| |
| // Test that ES2015+ RegExp compatibility fixes are in place, that they |
| // are not overly broad, and the appropriate UseCounters are incremented |
| TEST(UseCountRegExp) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| LocalContext env; |
| int use_counts[v8::Isolate::kUseCounterFeatureCount] = {}; |
| global_use_counts = use_counts; |
| CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback); |
| |
| // Compat fix: RegExp.prototype.sticky == undefined; UseCounter tracks it |
| v8::Local<v8::Value> resultSticky = CompileRun("RegExp.prototype.sticky"); |
| CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]); |
| CHECK_EQ(0, use_counts[v8::Isolate::kRegExpPrototypeToString]); |
| CHECK(resultSticky->IsUndefined()); |
| |
| // re.sticky has approriate value and doesn't touch UseCounter |
| v8::Local<v8::Value> resultReSticky = CompileRun("/a/.sticky"); |
| CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]); |
| CHECK_EQ(0, use_counts[v8::Isolate::kRegExpPrototypeToString]); |
| CHECK(resultReSticky->IsFalse()); |
| |
| // When the getter is called on another object, throw an exception |
| // and don't increment the UseCounter |
| v8::Local<v8::Value> resultStickyError = CompileRun( |
| "var exception;" |
| "try { " |
| " Object.getOwnPropertyDescriptor(RegExp.prototype, 'sticky')" |
| " .get.call(null);" |
| "} catch (e) {" |
| " exception = e;" |
| "}" |
| "exception"); |
| CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]); |
| CHECK_EQ(0, use_counts[v8::Isolate::kRegExpPrototypeToString]); |
| CHECK(resultStickyError->IsObject()); |
| |
| // RegExp.prototype.toString() returns '/(?:)/' as a compatibility fix; |
| // a UseCounter is incremented to track it. |
| v8::Local<v8::Value> resultToString = |
| CompileRun("RegExp.prototype.toString().length"); |
| CHECK_EQ(2, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]); |
| CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeToString]); |
| CHECK(resultToString->IsInt32()); |
| CHECK_EQ(6, |
| resultToString->Int32Value(isolate->GetCurrentContext()).FromJust()); |
| |
| // .toString() works on normal RegExps |
| v8::Local<v8::Value> resultReToString = CompileRun("/a/.toString().length"); |
| CHECK_EQ(2, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]); |
| CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeToString]); |
| CHECK(resultReToString->IsInt32()); |
| CHECK_EQ( |
| 3, resultReToString->Int32Value(isolate->GetCurrentContext()).FromJust()); |
| |
| // .toString() throws on non-RegExps that aren't RegExp.prototype |
| v8::Local<v8::Value> resultToStringError = CompileRun( |
| "var exception;" |
| "try { RegExp.prototype.toString.call(null) }" |
| "catch (e) { exception = e; }" |
| "exception"); |
| CHECK_EQ(2, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]); |
| CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeToString]); |
| CHECK(resultToStringError->IsObject()); |
| } |
| |
| class UncachedExternalString |
| : public v8::String::ExternalOneByteStringResource { |
| public: |
| const char* data() const override { return "abcdefghijklmnopqrstuvwxyz"; } |
| size_t length() const override { return 26; } |
| bool IsCacheable() const override { return false; } |
| }; |
| |
| TEST(UncachedExternalString) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| LocalContext env; |
| v8::Local<v8::String> external = |
| v8::String::NewExternalOneByte(isolate, new UncachedExternalString()) |
| .ToLocalChecked(); |
| CHECK(v8::Utils::OpenHandle(*external)->map() == |
| ReadOnlyRoots(CcTest::i_isolate()) |
| .uncached_external_one_byte_string_map()); |
| v8::Local<v8::Object> global = env->Global(); |
| global->Set(env.local(), v8_str("external"), external).FromJust(); |
| CompileRun("var re = /y(.)/; re.test('ab');"); |
| ExpectString("external.substring(1).match(re)[1]", "z"); |
| } |
| |
| // Test bytecode peephole optimization |
| |
| void CreatePeepholeNoChangeBytecode(RegExpMacroAssembler* m) { |
| Label fail, backtrack; |
| m->PushBacktrack(&fail); |
| m->CheckNotAtStart(0, nullptr); |
| m->LoadCurrentCharacter(2, nullptr); |
| m->CheckNotCharacter('o', nullptr); |
| m->LoadCurrentCharacter(1, nullptr, false); |
| m->CheckNotCharacter('o', nullptr); |
| m->LoadCurrentCharacter(0, nullptr, false); |
| m->CheckNotCharacter('f', nullptr); |
| m->WriteCurrentPositionToRegister(0, 0); |
| m->WriteCurrentPositionToRegister(1, 3); |
| m->AdvanceCurrentPosition(3); |
| m->PushBacktrack(&backtrack); |
| m->Succeed(); |
| m->Bind(&backtrack); |
| m->Backtrack(); |
| m->Bind(&fail); |
| m->Fail(); |
| } |
| |
| TEST(PeepholeNoChange) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeNoChangeBytecode(&orig); |
| CreatePeepholeNoChangeBytecode(&opt); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("^foo"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| byte* byte_array = array->GetDataStartAddress(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| byte* byte_array_optimized = array_optimized->GetDataStartAddress(); |
| |
| CHECK_EQ(0, memcmp(byte_array, byte_array_optimized, length)); |
| } |
| |
| void CreatePeepholeSkipUntilCharBytecode(RegExpMacroAssembler* m) { |
| Label start; |
| m->Bind(&start); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckCharacter('x', nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&start); |
| } |
| |
| TEST(PeepholeSkipUntilChar) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeSkipUntilCharBytecode(&orig); |
| CreatePeepholeSkipUntilCharBytecode(&opt); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| int length_optimized = array_optimized->length(); |
| |
| int length_expected = RegExpBytecodeLength(BC_LOAD_CURRENT_CHAR) + |
| RegExpBytecodeLength(BC_CHECK_CHAR) + |
| RegExpBytecodeLength(BC_ADVANCE_CP_AND_GOTO) + |
| RegExpBytecodeLength(BC_POP_BT); |
| int length_optimized_expected = RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR) + |
| RegExpBytecodeLength(BC_POP_BT); |
| |
| CHECK_EQ(length, length_expected); |
| CHECK_EQ(length_optimized, length_optimized_expected); |
| |
| CHECK_EQ(BC_SKIP_UNTIL_CHAR, array_optimized->get(0)); |
| CHECK_EQ(BC_POP_BT, |
| array_optimized->get(RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR))); |
| } |
| |
| void CreatePeepholeSkipUntilBitInTableBytecode(RegExpMacroAssembler* m, |
| Factory* factory) { |
| Handle<ByteArray> bit_table = factory->NewByteArray( |
| RegExpMacroAssembler::kTableSize, AllocationType::kOld); |
| for (uint32_t i = 0; i < RegExpMacroAssembler::kTableSize; i++) { |
| bit_table->set(i, 0); |
| } |
| |
| Label start; |
| m->Bind(&start); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckBitInTable(bit_table, nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&start); |
| } |
| |
| TEST(PeepholeSkipUntilBitInTable) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeSkipUntilBitInTableBytecode(&orig, factory); |
| CreatePeepholeSkipUntilBitInTableBytecode(&opt, factory); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| int length_optimized = array_optimized->length(); |
| |
| int length_expected = RegExpBytecodeLength(BC_LOAD_CURRENT_CHAR) + |
| RegExpBytecodeLength(BC_CHECK_BIT_IN_TABLE) + |
| RegExpBytecodeLength(BC_ADVANCE_CP_AND_GOTO) + |
| RegExpBytecodeLength(BC_POP_BT); |
| int length_optimized_expected = |
| RegExpBytecodeLength(BC_SKIP_UNTIL_BIT_IN_TABLE) + |
| RegExpBytecodeLength(BC_POP_BT); |
| |
| CHECK_EQ(length, length_expected); |
| CHECK_EQ(length_optimized, length_optimized_expected); |
| |
| CHECK_EQ(BC_SKIP_UNTIL_BIT_IN_TABLE, array_optimized->get(0)); |
| CHECK_EQ(BC_POP_BT, array_optimized->get( |
| RegExpBytecodeLength(BC_SKIP_UNTIL_BIT_IN_TABLE))); |
| } |
| |
| void CreatePeepholeSkipUntilCharPosCheckedBytecode(RegExpMacroAssembler* m) { |
| Label start; |
| m->Bind(&start); |
| m->LoadCurrentCharacter(0, nullptr, true, 1, 2); |
| m->CheckCharacter('x', nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&start); |
| } |
| |
| TEST(PeepholeSkipUntilCharPosChecked) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeSkipUntilCharPosCheckedBytecode(&orig); |
| CreatePeepholeSkipUntilCharPosCheckedBytecode(&opt); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| int length_optimized = array_optimized->length(); |
| |
| int length_expected = RegExpBytecodeLength(BC_CHECK_CURRENT_POSITION) + |
| RegExpBytecodeLength(BC_LOAD_CURRENT_CHAR_UNCHECKED) + |
| RegExpBytecodeLength(BC_CHECK_CHAR) + |
| RegExpBytecodeLength(BC_ADVANCE_CP_AND_GOTO) + |
| RegExpBytecodeLength(BC_POP_BT); |
| int length_optimized_expected = |
| RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR_POS_CHECKED) + |
| RegExpBytecodeLength(BC_POP_BT); |
| |
| CHECK_EQ(length, length_expected); |
| CHECK_EQ(length_optimized, length_optimized_expected); |
| |
| CHECK_EQ(BC_SKIP_UNTIL_CHAR_POS_CHECKED, array_optimized->get(0)); |
| CHECK_EQ(BC_POP_BT, array_optimized->get(RegExpBytecodeLength( |
| BC_SKIP_UNTIL_CHAR_POS_CHECKED))); |
| } |
| |
| void CreatePeepholeSkipUntilCharAndBytecode(RegExpMacroAssembler* m) { |
| Label start; |
| m->Bind(&start); |
| m->LoadCurrentCharacter(0, nullptr, true, 1, 2); |
| m->CheckCharacterAfterAnd('x', 0xFF, nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&start); |
| } |
| |
| TEST(PeepholeSkipUntilCharAnd) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeSkipUntilCharAndBytecode(&orig); |
| CreatePeepholeSkipUntilCharAndBytecode(&opt); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| int length_optimized = array_optimized->length(); |
| |
| int length_expected = RegExpBytecodeLength(BC_CHECK_CURRENT_POSITION) + |
| RegExpBytecodeLength(BC_LOAD_CURRENT_CHAR_UNCHECKED) + |
| RegExpBytecodeLength(BC_AND_CHECK_CHAR) + |
| RegExpBytecodeLength(BC_ADVANCE_CP_AND_GOTO) + |
| RegExpBytecodeLength(BC_POP_BT); |
| int length_optimized_expected = RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR_AND) + |
| RegExpBytecodeLength(BC_POP_BT); |
| |
| CHECK_EQ(length, length_expected); |
| CHECK_EQ(length_optimized, length_optimized_expected); |
| |
| CHECK_EQ(BC_SKIP_UNTIL_CHAR_AND, array_optimized->get(0)); |
| CHECK_EQ(BC_POP_BT, |
| array_optimized->get(RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR_AND))); |
| } |
| |
| void CreatePeepholeSkipUntilCharOrCharBytecode(RegExpMacroAssembler* m) { |
| Label start; |
| m->Bind(&start); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckCharacter('x', nullptr); |
| m->CheckCharacter('y', nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&start); |
| } |
| |
| TEST(PeepholeSkipUntilCharOrChar) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeSkipUntilCharOrCharBytecode(&orig); |
| CreatePeepholeSkipUntilCharOrCharBytecode(&opt); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| int length_optimized = array_optimized->length(); |
| |
| int length_expected = RegExpBytecodeLength(BC_LOAD_CURRENT_CHAR) + |
| RegExpBytecodeLength(BC_CHECK_CHAR) + |
| RegExpBytecodeLength(BC_CHECK_CHAR) + |
| RegExpBytecodeLength(BC_ADVANCE_CP_AND_GOTO) + |
| RegExpBytecodeLength(BC_POP_BT); |
| int length_optimized_expected = |
| RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR_OR_CHAR) + |
| RegExpBytecodeLength(BC_POP_BT); |
| |
| CHECK_EQ(length, length_expected); |
| CHECK_EQ(length_optimized, length_optimized_expected); |
| |
| CHECK_EQ(BC_SKIP_UNTIL_CHAR_OR_CHAR, array_optimized->get(0)); |
| CHECK_EQ(BC_POP_BT, array_optimized->get( |
| RegExpBytecodeLength(BC_SKIP_UNTIL_CHAR_OR_CHAR))); |
| } |
| |
| void CreatePeepholeSkipUntilGtOrNotBitInTableBytecode(RegExpMacroAssembler* m, |
| Factory* factory) { |
| Handle<ByteArray> bit_table = factory->NewByteArray( |
| RegExpMacroAssembler::kTableSize, AllocationType::kOld); |
| for (uint32_t i = 0; i < RegExpMacroAssembler::kTableSize; i++) { |
| bit_table->set(i, 0); |
| } |
| |
| Label start, end, advance; |
| m->Bind(&start); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckCharacterGT('x', nullptr); |
| m->CheckBitInTable(bit_table, &advance); |
| m->GoTo(&end); |
| m->Bind(&advance); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&start); |
| m->Bind(&end); |
| } |
| |
| TEST(PeepholeSkipUntilGtOrNotBitInTable) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| CreatePeepholeSkipUntilGtOrNotBitInTableBytecode(&orig, factory); |
| CreatePeepholeSkipUntilGtOrNotBitInTableBytecode(&opt, factory); |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| int length = array->length(); |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| int length_optimized = array_optimized->length(); |
| |
| int length_expected = RegExpBytecodeLength(BC_LOAD_CURRENT_CHAR) + |
| RegExpBytecodeLength(BC_CHECK_GT) + |
| RegExpBytecodeLength(BC_CHECK_BIT_IN_TABLE) + |
| RegExpBytecodeLength(BC_GOTO) + |
| RegExpBytecodeLength(BC_ADVANCE_CP_AND_GOTO) + |
| RegExpBytecodeLength(BC_POP_BT); |
| int length_optimized_expected = |
| RegExpBytecodeLength(BC_SKIP_UNTIL_GT_OR_NOT_BIT_IN_TABLE) + |
| RegExpBytecodeLength(BC_POP_BT); |
| |
| CHECK_EQ(length, length_expected); |
| CHECK_EQ(length_optimized, length_optimized_expected); |
| |
| CHECK_EQ(BC_SKIP_UNTIL_GT_OR_NOT_BIT_IN_TABLE, array_optimized->get(0)); |
| CHECK_EQ(BC_POP_BT, array_optimized->get(RegExpBytecodeLength( |
| BC_SKIP_UNTIL_GT_OR_NOT_BIT_IN_TABLE))); |
| } |
| |
| void CreatePeepholeLabelFixupsInsideBytecode(RegExpMacroAssembler* m, |
| Label* dummy_before, |
| Label* dummy_after, |
| Label* dummy_inside) { |
| Label loop; |
| m->Bind(dummy_before); |
| m->LoadCurrentCharacter(0, dummy_before); |
| m->CheckCharacter('a', dummy_after); |
| m->CheckCharacter('b', dummy_inside); |
| m->Bind(&loop); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckCharacter('x', nullptr); |
| m->Bind(dummy_inside); |
| m->CheckCharacter('y', nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&loop); |
| m->Bind(dummy_after); |
| m->LoadCurrentCharacter(0, dummy_before); |
| m->CheckCharacter('a', dummy_after); |
| m->CheckCharacter('b', dummy_inside); |
| } |
| |
| TEST(PeepholeLabelFixupsInside) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| { |
| Label dummy_before, dummy_after, dummy_inside; |
| CreatePeepholeLabelFixupsInsideBytecode(&opt, &dummy_before, &dummy_after, |
| &dummy_inside); |
| } |
| Label dummy_before, dummy_after, dummy_inside; |
| CreatePeepholeLabelFixupsInsideBytecode(&orig, &dummy_before, &dummy_after, |
| &dummy_inside); |
| |
| CHECK_EQ(0x00, dummy_before.pos()); |
| CHECK_EQ(0x28, dummy_inside.pos()); |
| CHECK_EQ(0x38, dummy_after.pos()); |
| |
| const Label* labels[] = {&dummy_before, &dummy_after, &dummy_inside}; |
| const int label_positions[4][3] = { |
| {0x04, 0x3C}, // dummy_before |
| {0x0C, 0x44}, // dummy after |
| {0x14, 0x4C} // dummy inside |
| }; |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| |
| for (int label_idx = 0; label_idx < 3; label_idx++) { |
| for (int pos_idx = 0; pos_idx < 2; pos_idx++) { |
| CHECK_EQ(labels[label_idx]->pos(), |
| array->get(label_positions[label_idx][pos_idx])); |
| } |
| } |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| |
| const int pos_fixups[] = { |
| 0, // Position before optimization should be unchanged. |
| 4, // Position after first replacement should be 4 (optimized size (20) - |
| // original size (32) + preserve length (16)). |
| }; |
| const int target_fixups[] = { |
| 0, // dummy_before should be unchanged |
| 4, // dummy_inside should be 4 |
| 4 // dummy_after should be 4 |
| }; |
| |
| for (int label_idx = 0; label_idx < 3; label_idx++) { |
| for (int pos_idx = 0; pos_idx < 2; pos_idx++) { |
| int label_pos = label_positions[label_idx][pos_idx] + pos_fixups[pos_idx]; |
| int jump_address = *reinterpret_cast<uint32_t*>( |
| array_optimized->GetDataStartAddress() + label_pos); |
| int expected_jump_address = |
| labels[label_idx]->pos() + target_fixups[label_idx]; |
| CHECK_EQ(expected_jump_address, jump_address); |
| } |
| } |
| } |
| |
| void CreatePeepholeLabelFixupsComplexBytecode(RegExpMacroAssembler* m, |
| Label* dummy_before, |
| Label* dummy_between, |
| Label* dummy_after, |
| Label* dummy_inside) { |
| Label loop1, loop2; |
| m->Bind(dummy_before); |
| m->LoadCurrentCharacter(0, dummy_before); |
| m->CheckCharacter('a', dummy_between); |
| m->CheckCharacter('b', dummy_after); |
| m->CheckCharacter('c', dummy_inside); |
| m->Bind(&loop1); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckCharacter('x', nullptr); |
| m->CheckCharacter('y', nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&loop1); |
| m->Bind(dummy_between); |
| m->LoadCurrentCharacter(0, dummy_before); |
| m->CheckCharacter('a', dummy_between); |
| m->CheckCharacter('b', dummy_after); |
| m->CheckCharacter('c', dummy_inside); |
| m->Bind(&loop2); |
| m->LoadCurrentCharacter(0, nullptr, true); |
| m->CheckCharacter('x', nullptr); |
| m->Bind(dummy_inside); |
| m->CheckCharacter('y', nullptr); |
| m->AdvanceCurrentPosition(1); |
| m->GoTo(&loop2); |
| m->Bind(dummy_after); |
| m->LoadCurrentCharacter(0, dummy_before); |
| m->CheckCharacter('a', dummy_between); |
| m->CheckCharacter('b', dummy_after); |
| m->CheckCharacter('c', dummy_inside); |
| } |
| |
| TEST(PeepholeLabelFixupsComplex) { |
| Zone zone(CcTest::i_isolate()->allocator(), ZONE_NAME); |
| Isolate* isolate = CcTest::i_isolate(); |
| Factory* factory = isolate->factory(); |
| HandleScope scope(isolate); |
| |
| RegExpBytecodeGenerator orig(CcTest::i_isolate(), &zone); |
| RegExpBytecodeGenerator opt(CcTest::i_isolate(), &zone); |
| |
| { |
| Label dummy_before, dummy_between, dummy_after, dummy_inside; |
| CreatePeepholeLabelFixupsComplexBytecode( |
| &opt, &dummy_before, &dummy_between, &dummy_after, &dummy_inside); |
| } |
| Label dummy_before, dummy_between, dummy_after, dummy_inside; |
| CreatePeepholeLabelFixupsComplexBytecode(&orig, &dummy_before, &dummy_between, |
| &dummy_after, &dummy_inside); |
| |
| CHECK_EQ(0x00, dummy_before.pos()); |
| CHECK_EQ(0x40, dummy_between.pos()); |
| CHECK_EQ(0x70, dummy_inside.pos()); |
| CHECK_EQ(0x80, dummy_after.pos()); |
| |
| const Label* labels[] = {&dummy_before, &dummy_between, &dummy_after, |
| &dummy_inside}; |
| const int label_positions[4][3] = { |
| {0x04, 0x44, 0x84}, // dummy_before |
| {0x0C, 0x4C, 0x8C}, // dummy between |
| {0x14, 0x54, 0x94}, // dummy after |
| {0x1C, 0x5C, 0x9C} // dummy inside |
| }; |
| |
| Handle<String> source = factory->NewStringFromStaticChars("dummy"); |
| |
| i::FLAG_regexp_peephole_optimization = false; |
| Handle<ByteArray> array = Handle<ByteArray>::cast(orig.GetCode(source)); |
| |
| for (int label_idx = 0; label_idx < 4; label_idx++) { |
| for (int pos_idx = 0; pos_idx < 3; pos_idx++) { |
| CHECK_EQ(labels[label_idx]->pos(), |
| array->get(label_positions[label_idx][pos_idx])); |
| } |
| } |
| |
| i::FLAG_regexp_peephole_optimization = true; |
| Handle<ByteArray> array_optimized = |
| Handle<ByteArray>::cast(opt.GetCode(source)); |
| |
| const int pos_fixups[] = { |
| 0, // Position before optimization should be unchanged. |
| -12, // Position after first replacement should be -12 (optimized size = |
| // 20 - 32 = original size). |
| -8 // Position after second replacement should be -8 (-12 from first |
| // optimization -12 from second optimization + 16 preserved |
| // bytecodes). |
| }; |
| const int target_fixups[] = { |
| 0, // dummy_before should be unchanged |
| -12, // dummy_between should be -12 |
| -8, // dummy_inside should be -8 |
| -8 // dummy_after should be -8 |
| }; |
| |
| for (int label_idx = 0; label_idx < 4; label_idx++) { |
| for (int pos_idx = 0; pos_idx < 3; pos_idx++) { |
| int label_pos = label_positions[label_idx][pos_idx] + pos_fixups[pos_idx]; |
| int jump_address = *reinterpret_cast<uint32_t*>( |
| array_optimized->GetDataStartAddress() + label_pos); |
| int expected_jump_address = |
| labels[label_idx]->pos() + target_fixups[label_idx]; |
| CHECK_EQ(expected_jump_address, jump_address); |
| } |
| } |
| } |
| |
| TEST(UnicodePropertyEscapeCodeSize) { |
| i::FlagScope<bool> f(&v8::internal::FLAG_regexp_tier_up, false); |
| |
| LocalContext env; |
| v8::HandleScope scope(CcTest::isolate()); |
| i::Handle<i::JSRegExp> re = Utils::OpenHandle( |
| *CompileRun("const r = /\\p{L}\\p{L}\\p{L}/u; r.exec('\\u200b'); r;") |
| .As<v8::RegExp>()); |
| |
| static constexpr int kMaxSize = 200 * KB; |
| static constexpr bool kIsNotLatin1 = false; |
| Object maybe_code = re->Code(kIsNotLatin1); |
| Object maybe_bytecode = re->Bytecode(kIsNotLatin1); |
| if (maybe_bytecode.IsByteArray()) { |
| // On x64, excessive inlining produced >250KB. |
| CHECK_LT(ByteArray::cast(maybe_bytecode).Size(), kMaxSize); |
| } else if (maybe_code.IsCode()) { |
| // On x64, excessive inlining produced >360KB. |
| CHECK_LT(Code::cast(maybe_code).Size(), kMaxSize); |
| CHECK_EQ(Code::cast(maybe_code).kind(), CodeKind::REGEXP); |
| } else { |
| UNREACHABLE(); |
| } |
| } |
| |
| #undef CHECK_PARSE_ERROR |
| #undef CHECK_SIMPLE |
| #undef CHECK_MIN_MAX |
| |
| } // namespace test_regexp |
| } // namespace internal |
| } // namespace v8 |
