| // Copyright 2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| |
| #include <stdlib.h> |
| |
| #include "v8.h" |
| |
| #include "string-stream.h" |
| #include "cctest.h" |
| #include "zone-inl.h" |
| #include "parser.h" |
| #include "ast.h" |
| #include "jsregexp.h" |
| #include "regexp-macro-assembler.h" |
| #include "regexp-macro-assembler-irregexp.h" |
| #ifdef V8_INTERPRETED_REGEXP |
| #include "interpreter-irregexp.h" |
| #else // V8_INTERPRETED_REGEXP |
| #ifdef V8_TARGET_ARCH_ARM |
| #include "arm/macro-assembler-arm.h" |
| #include "arm/regexp-macro-assembler-arm.h" |
| #endif |
| #ifdef V8_TARGET_ARCH_X64 |
| #include "x64/macro-assembler-x64.h" |
| #include "x64/regexp-macro-assembler-x64.h" |
| #endif |
| #ifdef V8_TARGET_ARCH_IA32 |
| #include "ia32/macro-assembler-ia32.h" |
| #include "ia32/regexp-macro-assembler-ia32.h" |
| #endif |
| #endif // V8_INTERPRETED_REGEXP |
| |
| using namespace v8::internal; |
| |
| |
| static bool CheckParse(const char* input) { |
| V8::Initialize(NULL); |
| v8::HandleScope scope; |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| FlatStringReader reader(CStrVector(input)); |
| RegExpCompileData result; |
| return v8::internal::RegExpParser::ParseRegExp(&reader, false, &result); |
| } |
| |
| |
| static SmartPointer<const char> Parse(const char* input) { |
| V8::Initialize(NULL); |
| v8::HandleScope scope; |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| FlatStringReader reader(CStrVector(input)); |
| RegExpCompileData result; |
| CHECK(v8::internal::RegExpParser::ParseRegExp(&reader, false, &result)); |
| CHECK(result.tree != NULL); |
| CHECK(result.error.is_null()); |
| SmartPointer<const char> output = result.tree->ToString(); |
| return output; |
| } |
| |
| static bool CheckSimple(const char* input) { |
| V8::Initialize(NULL); |
| v8::HandleScope scope; |
| unibrow::Utf8InputBuffer<> buffer(input, StrLength(input)); |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| FlatStringReader reader(CStrVector(input)); |
| RegExpCompileData result; |
| CHECK(v8::internal::RegExpParser::ParseRegExp(&reader, false, &result)); |
| CHECK(result.tree != NULL); |
| CHECK(result.error.is_null()); |
| return result.simple; |
| } |
| |
| struct MinMaxPair { |
| int min_match; |
| int max_match; |
| }; |
| |
| static MinMaxPair CheckMinMaxMatch(const char* input) { |
| V8::Initialize(NULL); |
| v8::HandleScope scope; |
| unibrow::Utf8InputBuffer<> buffer(input, StrLength(input)); |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| FlatStringReader reader(CStrVector(input)); |
| RegExpCompileData result; |
| CHECK(v8::internal::RegExpParser::ParseRegExp(&reader, false, &result)); |
| CHECK(result.tree != NULL); |
| CHECK(result.error.is_null()); |
| 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_PARSE_EQ(input, expected) CHECK_EQ(expected, *Parse(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(Parser) { |
| V8::Initialize(NULL); |
| |
| CHECK_PARSE_ERROR("?"); |
| |
| CHECK_PARSE_EQ("abc", "'abc'"); |
| CHECK_PARSE_EQ("", "%"); |
| CHECK_PARSE_EQ("abc|def", "(| 'abc' 'def')"); |
| CHECK_PARSE_EQ("abc|def|ghi", "(| 'abc' 'def' 'ghi')"); |
| CHECK_PARSE_EQ("^xxx$", "(: @^i 'xxx' @$i)"); |
| CHECK_PARSE_EQ("ab\\b\\d\\bcd", "(: 'ab' @b [0-9] @b 'cd')"); |
| CHECK_PARSE_EQ("\\w|\\d", "(| [0-9 A-Z _ a-z] [0-9])"); |
| CHECK_PARSE_EQ("a*", "(# 0 - g 'a')"); |
| CHECK_PARSE_EQ("a*?", "(# 0 - n 'a')"); |
| CHECK_PARSE_EQ("abc+", "(: 'ab' (# 1 - g 'c'))"); |
| CHECK_PARSE_EQ("abc+?", "(: 'ab' (# 1 - n 'c'))"); |
| CHECK_PARSE_EQ("xyz?", "(: 'xy' (# 0 1 g 'z'))"); |
| CHECK_PARSE_EQ("xyz??", "(: 'xy' (# 0 1 n 'z'))"); |
| CHECK_PARSE_EQ("xyz{0,1}", "(: 'xy' (# 0 1 g 'z'))"); |
| CHECK_PARSE_EQ("xyz{0,1}?", "(: 'xy' (# 0 1 n 'z'))"); |
| CHECK_PARSE_EQ("xyz{93}", "(: 'xy' (# 93 93 g 'z'))"); |
| CHECK_PARSE_EQ("xyz{93}?", "(: 'xy' (# 93 93 n 'z'))"); |
| CHECK_PARSE_EQ("xyz{1,32}", "(: 'xy' (# 1 32 g 'z'))"); |
| CHECK_PARSE_EQ("xyz{1,32}?", "(: 'xy' (# 1 32 n 'z'))"); |
| CHECK_PARSE_EQ("xyz{1,}", "(: 'xy' (# 1 - g 'z'))"); |
| CHECK_PARSE_EQ("xyz{1,}?", "(: 'xy' (# 1 - n 'z'))"); |
| CHECK_PARSE_EQ("a\\fb\\nc\\rd\\te\\vf", "'a\\x0cb\\x0ac\\x0dd\\x09e\\x0bf'"); |
| CHECK_PARSE_EQ("a\\nb\\bc", "(: 'a\\x0ab' @b 'c')"); |
| CHECK_PARSE_EQ("(?:foo)", "'foo'"); |
| CHECK_PARSE_EQ("(?: foo )", "' foo '"); |
| CHECK_PARSE_EQ("(foo|bar|baz)", "(^ (| 'foo' 'bar' 'baz'))"); |
| CHECK_PARSE_EQ("foo|(bar|baz)|quux", "(| 'foo' (^ (| 'bar' 'baz')) 'quux')"); |
| CHECK_PARSE_EQ("foo(?=bar)baz", "(: 'foo' (-> + 'bar') 'baz')"); |
| CHECK_PARSE_EQ("foo(?!bar)baz", "(: 'foo' (-> - 'bar') 'baz')"); |
| CHECK_PARSE_EQ("()", "(^ %)"); |
| CHECK_PARSE_EQ("(?=)", "(-> + %)"); |
| CHECK_PARSE_EQ("[]", "^[\\x00-\\uffff]"); // Doesn't compile on windows |
| CHECK_PARSE_EQ("[^]", "[\\x00-\\uffff]"); // \uffff isn't in codepage 1252 |
| CHECK_PARSE_EQ("[x]", "[x]"); |
| CHECK_PARSE_EQ("[xyz]", "[x y z]"); |
| CHECK_PARSE_EQ("[a-zA-Z0-9]", "[a-z A-Z 0-9]"); |
| CHECK_PARSE_EQ("[-123]", "[- 1 2 3]"); |
| CHECK_PARSE_EQ("[^123]", "^[1 2 3]"); |
| CHECK_PARSE_EQ("]", "']'"); |
| CHECK_PARSE_EQ("}", "'}'"); |
| CHECK_PARSE_EQ("[a-b-c]", "[a-b - c]"); |
| CHECK_PARSE_EQ("[\\d]", "[0-9]"); |
| CHECK_PARSE_EQ("[x\\dz]", "[x 0-9 z]"); |
| CHECK_PARSE_EQ("[\\d-z]", "[0-9 - z]"); |
| CHECK_PARSE_EQ("[\\d-\\d]", "[0-9 - 0-9]"); |
| CHECK_PARSE_EQ("[z-\\d]", "[z - 0-9]"); |
| // Control character outside character class. |
| CHECK_PARSE_EQ("\\cj\\cJ\\ci\\cI\\ck\\cK", |
| "'\\x0a\\x0a\\x09\\x09\\x0b\\x0b'"); |
| CHECK_PARSE_EQ("\\c!", "'\\c!'"); |
| CHECK_PARSE_EQ("\\c_", "'\\c_'"); |
| CHECK_PARSE_EQ("\\c~", "'\\c~'"); |
| CHECK_PARSE_EQ("\\c1", "'\\c1'"); |
| // Control character inside character class. |
| CHECK_PARSE_EQ("[\\c!]", "[\\ c !]"); |
| CHECK_PARSE_EQ("[\\c_]", "[\\x1f]"); |
| CHECK_PARSE_EQ("[\\c~]", "[\\ c ~]"); |
| CHECK_PARSE_EQ("[\\ca]", "[\\x01]"); |
| CHECK_PARSE_EQ("[\\cz]", "[\\x1a]"); |
| CHECK_PARSE_EQ("[\\cA]", "[\\x01]"); |
| CHECK_PARSE_EQ("[\\cZ]", "[\\x1a]"); |
| CHECK_PARSE_EQ("[\\c1]", "[\\x11]"); |
| |
| CHECK_PARSE_EQ("[a\\]c]", "[a ] c]"); |
| CHECK_PARSE_EQ("\\[\\]\\{\\}\\(\\)\\%\\^\\#\\ ", "'[]{}()%^# '"); |
| CHECK_PARSE_EQ("[\\[\\]\\{\\}\\(\\)\\%\\^\\#\\ ]", "[[ ] { } ( ) % ^ # ]"); |
| CHECK_PARSE_EQ("\\0", "'\\x00'"); |
| CHECK_PARSE_EQ("\\8", "'8'"); |
| CHECK_PARSE_EQ("\\9", "'9'"); |
| CHECK_PARSE_EQ("\\11", "'\\x09'"); |
| CHECK_PARSE_EQ("\\11a", "'\\x09a'"); |
| CHECK_PARSE_EQ("\\011", "'\\x09'"); |
| CHECK_PARSE_EQ("\\00011", "'\\x0011'"); |
| CHECK_PARSE_EQ("\\118", "'\\x098'"); |
| CHECK_PARSE_EQ("\\111", "'I'"); |
| CHECK_PARSE_EQ("\\1111", "'I1'"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\1", "(: (^ 'x') (^ 'x') (^ 'x') (<- 1))"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\2", "(: (^ 'x') (^ 'x') (^ 'x') (<- 2))"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\3", "(: (^ 'x') (^ 'x') (^ 'x') (<- 3))"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\4", "(: (^ 'x') (^ 'x') (^ 'x') '\\x04')"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\1*", "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g (<- 1)))"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\2*", "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g (<- 2)))"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\3*", "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g (<- 3)))"); |
| CHECK_PARSE_EQ("(x)(x)(x)\\4*", "(: (^ 'x') (^ 'x') (^ 'x')" |
| " (# 0 - g '\\x04'))"); |
| CHECK_PARSE_EQ("(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)\\10", |
| "(: (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x')" |
| " (^ 'x') (^ 'x') (^ 'x') (^ 'x') (<- 10))"); |
| CHECK_PARSE_EQ("(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)\\11", |
| "(: (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x') (^ 'x')" |
| " (^ 'x') (^ 'x') (^ 'x') (^ 'x') '\\x09')"); |
| CHECK_PARSE_EQ("(a)\\1", "(: (^ 'a') (<- 1))"); |
| CHECK_PARSE_EQ("(a\\1)", "(^ 'a')"); |
| CHECK_PARSE_EQ("(\\1a)", "(^ 'a')"); |
| CHECK_PARSE_EQ("(?=a)?a", "'a'"); |
| CHECK_PARSE_EQ("(?=a){0,10}a", "'a'"); |
| CHECK_PARSE_EQ("(?=a){1,10}a", "(: (-> + 'a') 'a')"); |
| CHECK_PARSE_EQ("(?=a){9,10}a", "(: (-> + 'a') 'a')"); |
| CHECK_PARSE_EQ("(?!a)?a", "'a'"); |
| CHECK_PARSE_EQ("\\1(a)", "(^ 'a')"); |
| CHECK_PARSE_EQ("(?!(a))\\1", "(: (-> - (^ 'a')) (<- 1))"); |
| CHECK_PARSE_EQ("(?!\\1(a\\1)\\1)\\1", "(: (-> - (: (^ 'a') (<- 1))) (<- 1))"); |
| CHECK_PARSE_EQ("[\\0]", "[\\x00]"); |
| CHECK_PARSE_EQ("[\\11]", "[\\x09]"); |
| CHECK_PARSE_EQ("[\\11a]", "[\\x09 a]"); |
| CHECK_PARSE_EQ("[\\011]", "[\\x09]"); |
| CHECK_PARSE_EQ("[\\00011]", "[\\x00 1 1]"); |
| CHECK_PARSE_EQ("[\\118]", "[\\x09 8]"); |
| CHECK_PARSE_EQ("[\\111]", "[I]"); |
| CHECK_PARSE_EQ("[\\1111]", "[I 1]"); |
| CHECK_PARSE_EQ("\\x34", "'\x34'"); |
| CHECK_PARSE_EQ("\\x60", "'\x60'"); |
| CHECK_PARSE_EQ("\\x3z", "'x3z'"); |
| CHECK_PARSE_EQ("\\c", "'\\c'"); |
| CHECK_PARSE_EQ("\\u0034", "'\x34'"); |
| CHECK_PARSE_EQ("\\u003z", "'u003z'"); |
| CHECK_PARSE_EQ("foo[z]*", "(: 'foo' (# 0 - g [z]))"); |
| |
| 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); |
| |
| CHECK_PARSE_EQ("a{}", "'a{}'"); |
| CHECK_PARSE_EQ("a{,}", "'a{,}'"); |
| CHECK_PARSE_EQ("a{", "'a{'"); |
| CHECK_PARSE_EQ("a{z}", "'a{z}'"); |
| CHECK_PARSE_EQ("a{1z}", "'a{1z}'"); |
| CHECK_PARSE_EQ("a{12z}", "'a{12z}'"); |
| CHECK_PARSE_EQ("a{12,", "'a{12,'"); |
| CHECK_PARSE_EQ("a{12,3b", "'a{12,3b'"); |
| CHECK_PARSE_EQ("{}", "'{}'"); |
| CHECK_PARSE_EQ("{,}", "'{,}'"); |
| CHECK_PARSE_EQ("{", "'{'"); |
| CHECK_PARSE_EQ("{z}", "'{z}'"); |
| CHECK_PARSE_EQ("{1z}", "'{1z}'"); |
| CHECK_PARSE_EQ("{12z}", "'{12z}'"); |
| CHECK_PARSE_EQ("{12,", "'{12,'"); |
| CHECK_PARSE_EQ("{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, 4); |
| CHECK_MIN_MAX("(ab|cde)\\1", 2, 6); |
| 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); |
| } |
| |
| TEST(ParserRegression) { |
| CHECK_PARSE_EQ("[A-Z$-][x]", "(! [A-Z $ -] [x])"); |
| CHECK_PARSE_EQ("a{3,4*}", "(: 'a{3,' (# 0 - g '4') '}')"); |
| CHECK_PARSE_EQ("{", "'{'"); |
| CHECK_PARSE_EQ("a|", "(| 'a' %)"); |
| } |
| |
| static void ExpectError(const char* input, |
| const char* expected) { |
| V8::Initialize(NULL); |
| v8::HandleScope scope; |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| FlatStringReader reader(CStrVector(input)); |
| RegExpCompileData result; |
| CHECK(!v8::internal::RegExpParser::ParseRegExp(&reader, false, &result)); |
| CHECK(result.tree == NULL); |
| CHECK(!result.error.is_null()); |
| SmartPointer<char> str = result.error->ToCString(ALLOW_NULLS); |
| CHECK_EQ(expected, *str); |
| } |
| |
| |
| TEST(Errors) { |
| V8::Initialize(NULL); |
| 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"; |
| HeapStringAllocator allocator; |
| StringStream accumulator(&allocator); |
| for (int i = 0; i <= kMaxCaptures; i++) { |
| accumulator.Add("()"); |
| } |
| SmartPointer<const char> many_captures(accumulator.ToCString()); |
| ExpectError(*many_captures, kTooManyCaptures); |
| } |
| |
| |
| static bool IsDigit(uc16 c) { |
| return ('0' <= c && c <= '9'); |
| } |
| |
| |
| static bool NotDigit(uc16 c) { |
| return !IsDigit(c); |
| } |
| |
| |
| static bool IsWhiteSpace(uc16 c) { |
| switch (c) { |
| case 0x09: |
| case 0x0A: |
| case 0x0B: |
| case 0x0C: |
| case 0x0d: |
| case 0x20: |
| case 0xA0: |
| case 0x2028: |
| case 0x2029: |
| return true; |
| default: |
| return unibrow::Space::Is(c); |
| } |
| } |
| |
| |
| static bool NotWhiteSpace(uc16 c) { |
| return !IsWhiteSpace(c); |
| } |
| |
| |
| static bool NotWord(uc16 c) { |
| return !IsRegExpWord(c); |
| } |
| |
| |
| static void TestCharacterClassEscapes(uc16 c, bool (pred)(uc16 c)) { |
| ZoneScope scope(DELETE_ON_EXIT); |
| ZoneList<CharacterRange>* ranges = new ZoneList<CharacterRange>(2); |
| CharacterRange::AddClassEscape(c, ranges); |
| for (unsigned 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('.', IsRegExpNewline); |
| TestCharacterClassEscapes('d', IsDigit); |
| TestCharacterClassEscapes('D', NotDigit); |
| TestCharacterClassEscapes('s', IsWhiteSpace); |
| TestCharacterClassEscapes('S', NotWhiteSpace); |
| TestCharacterClassEscapes('w', IsRegExpWord); |
| TestCharacterClassEscapes('W', NotWord); |
| } |
| |
| |
| static RegExpNode* Compile(const char* input, bool multiline, bool is_ascii) { |
| V8::Initialize(NULL); |
| FlatStringReader reader(CStrVector(input)); |
| RegExpCompileData compile_data; |
| if (!v8::internal::RegExpParser::ParseRegExp(&reader, multiline, |
| &compile_data)) |
| return NULL; |
| Handle<String> pattern = Factory::NewStringFromUtf8(CStrVector(input)); |
| RegExpEngine::Compile(&compile_data, false, multiline, pattern, is_ascii); |
| return compile_data.node; |
| } |
| |
| |
| static void Execute(const char* input, |
| bool multiline, |
| bool is_ascii, |
| bool dot_output = false) { |
| v8::HandleScope scope; |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| RegExpNode* node = Compile(input, multiline, is_ascii); |
| USE(node); |
| #ifdef DEBUG |
| if (dot_output) { |
| RegExpEngine::DotPrint(input, node, false); |
| exit(0); |
| } |
| #endif // DEBUG |
| } |
| |
| |
| class TestConfig { |
| public: |
| typedef int Key; |
| typedef int Value; |
| static const int kNoKey; |
| static const int kNoValue; |
| static inline int Compare(int a, int b) { |
| if (a < b) |
| return -1; |
| else if (a > b) |
| return 1; |
| else |
| return 0; |
| } |
| }; |
| |
| |
| const int TestConfig::kNoKey = 0; |
| const int TestConfig::kNoValue = 0; |
| |
| |
| static unsigned PseudoRandom(int i, int j) { |
| return ~(~((i * 781) ^ (j * 329))); |
| } |
| |
| |
| TEST(SplayTreeSimple) { |
| static const unsigned kLimit = 1000; |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| ZoneSplayTree<TestConfig> tree; |
| bool seen[kLimit]; |
| for (unsigned i = 0; i < kLimit; i++) seen[i] = false; |
| #define CHECK_MAPS_EQUAL() do { \ |
| for (unsigned k = 0; k < kLimit; k++) \ |
| CHECK_EQ(seen[k], tree.Find(k, &loc)); \ |
| } while (false) |
| for (int i = 0; i < 50; i++) { |
| for (int j = 0; j < 50; j++) { |
| unsigned next = PseudoRandom(i, j) % kLimit; |
| if (seen[next]) { |
| // We've already seen this one. Check the value and remove |
| // it. |
| ZoneSplayTree<TestConfig>::Locator loc; |
| CHECK(tree.Find(next, &loc)); |
| CHECK_EQ(next, loc.key()); |
| CHECK_EQ(3 * next, loc.value()); |
| tree.Remove(next); |
| seen[next] = false; |
| CHECK_MAPS_EQUAL(); |
| } else { |
| // Check that it wasn't there already and then add it. |
| ZoneSplayTree<TestConfig>::Locator loc; |
| CHECK(!tree.Find(next, &loc)); |
| CHECK(tree.Insert(next, &loc)); |
| CHECK_EQ(next, loc.key()); |
| loc.set_value(3 * next); |
| seen[next] = true; |
| CHECK_MAPS_EQUAL(); |
| } |
| int val = PseudoRandom(j, i) % kLimit; |
| if (seen[val]) { |
| ZoneSplayTree<TestConfig>::Locator loc; |
| CHECK(tree.FindGreatestLessThan(val, &loc)); |
| CHECK_EQ(loc.key(), val); |
| break; |
| } |
| val = PseudoRandom(i + j, i - j) % kLimit; |
| if (seen[val]) { |
| ZoneSplayTree<TestConfig>::Locator loc; |
| CHECK(tree.FindLeastGreaterThan(val, &loc)); |
| CHECK_EQ(loc.key(), val); |
| break; |
| } |
| } |
| } |
| } |
| |
| |
| TEST(DispatchTableConstruction) { |
| // Initialize test data. |
| static const int kLimit = 1000; |
| static const int kRangeCount = 8; |
| static const int kRangeSize = 16; |
| uc16 ranges[kRangeCount][2 * kRangeSize]; |
| for (int i = 0; i < kRangeCount; i++) { |
| Vector<uc16> range(ranges[i], 2 * kRangeSize); |
| for (int j = 0; j < 2 * kRangeSize; j++) { |
| range[j] = PseudoRandom(i + 25, j + 87) % kLimit; |
| } |
| range.Sort(); |
| for (int j = 1; j < 2 * kRangeSize; j++) { |
| CHECK(range[j-1] <= range[j]); |
| } |
| } |
| // Enter test data into dispatch table. |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| DispatchTable table; |
| for (int i = 0; i < kRangeCount; i++) { |
| uc16* range = ranges[i]; |
| for (int j = 0; j < 2 * kRangeSize; j += 2) |
| table.AddRange(CharacterRange(range[j], range[j + 1]), i); |
| } |
| // Check that the table looks as we would expect |
| for (int p = 0; p < kLimit; p++) { |
| OutSet* outs = table.Get(p); |
| for (int j = 0; j < kRangeCount; j++) { |
| uc16* range = ranges[j]; |
| bool is_on = false; |
| for (int k = 0; !is_on && (k < 2 * kRangeSize); k += 2) |
| is_on = (range[k] <= p && p <= range[k + 1]); |
| CHECK_EQ(is_on, outs->Get(j)); |
| } |
| } |
| } |
| |
| // 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; |
| |
| CHECK_PARSE_EQ("a*+", "(# 0 - p 'a')"); |
| CHECK_PARSE_EQ("a++", "(# 1 - p 'a')"); |
| CHECK_PARSE_EQ("a?+", "(# 0 1 p 'a')"); |
| CHECK_PARSE_EQ("a{10,20}+", "(# 10 20 p 'a')"); |
| CHECK_PARSE_EQ("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. |
| |
| |
| #ifndef V8_INTERPRETED_REGEXP |
| |
| #if V8_TARGET_ARCH_IA32 |
| typedef RegExpMacroAssemblerIA32 ArchRegExpMacroAssembler; |
| #elif V8_TARGET_ARCH_X64 |
| typedef RegExpMacroAssemblerX64 ArchRegExpMacroAssembler; |
| #elif V8_TARGET_ARCH_ARM |
| typedef RegExpMacroAssemblerARM ArchRegExpMacroAssembler; |
| #elif V8_TARGET_ARCH_MIPS |
| typedef RegExpMacroAssembler ArchRegExpMacroAssembler; |
| #endif |
| |
| class ContextInitializer { |
| public: |
| ContextInitializer() |
| : env_(), scope_(), zone_(DELETE_ON_EXIT), stack_guard_() { |
| env_ = v8::Context::New(); |
| env_->Enter(); |
| } |
| ~ContextInitializer() { |
| env_->Exit(); |
| env_.Dispose(); |
| } |
| private: |
| v8::Persistent<v8::Context> env_; |
| v8::HandleScope scope_; |
| v8::internal::ZoneScope zone_; |
| v8::internal::StackGuard stack_guard_; |
| }; |
| |
| |
| static ArchRegExpMacroAssembler::Result Execute(Code* code, |
| String* input, |
| int start_offset, |
| const byte* input_start, |
| const byte* input_end, |
| int* captures) { |
| return NativeRegExpMacroAssembler::Execute( |
| code, |
| input, |
| start_offset, |
| input_start, |
| input_end, |
| captures); |
| } |
| |
| |
| TEST(MacroAssemblerNativeSuccess) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 4); |
| |
| m.Succeed(); |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| int captures[4] = {42, 37, 87, 117}; |
| Handle<String> input = Factory::NewStringFromAscii(CStrVector("foofoo")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| const byte* start_adr = |
| reinterpret_cast<const byte*>(seq_input->GetCharsAddress()); |
| |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 4); |
| |
| uc16 foo_chars[3] = {'f', 'o', 'o'}; |
| Vector<const uc16> foo(foo_chars, 3); |
| |
| Label fail; |
| m.CheckCharacters(foo, 0, &fail, true); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.AdvanceCurrentPosition(3); |
| m.WriteCurrentPositionToRegister(1, 0); |
| m.Succeed(); |
| m.Bind(&fail); |
| m.Fail(); |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("^foo")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| int captures[4] = {42, 37, 87, 117}; |
| Handle<String> input = Factory::NewStringFromAscii(CStrVector("foofoo")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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::NewStringFromAscii(CStrVector("barbarbar")); |
| seq_input = Handle<SeqAsciiString>::cast(input); |
| start_adr = seq_input->GetCharsAddress(); |
| |
| result = Execute(*code, |
| *input, |
| 0, |
| start_adr, |
| start_adr + input->length(), |
| captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::FAILURE, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeSimpleUC16) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::UC16, 4); |
| |
| uc16 foo_chars[3] = {'f', 'o', 'o'}; |
| Vector<const uc16> foo(foo_chars, 3); |
| |
| Label fail; |
| m.CheckCharacters(foo, 0, &fail, true); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.AdvanceCurrentPosition(3); |
| m.WriteCurrentPositionToRegister(1, 0); |
| m.Succeed(); |
| m.Bind(&fail); |
| m.Fail(); |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("^foo")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| int captures[4] = {42, 37, 87, 117}; |
| const uc16 input_data[6] = {'f', 'o', 'o', 'f', 'o', '\xa0'}; |
| Handle<String> input = |
| Factory::NewStringFromTwoByte(Vector<const uc16>(input_data, 6)); |
| Handle<SeqTwoByteString> seq_input = Handle<SeqTwoByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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', '\xa0'}; |
| input = Factory::NewStringFromTwoByte(Vector<const uc16>(input_data2, 9)); |
| seq_input = Handle<SeqTwoByteString>::cast(input); |
| start_adr = seq_input->GetCharsAddress(); |
| |
| result = Execute(*code, |
| *input, |
| 0, |
| start_adr, |
| start_adr + input->length() * 2, |
| captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::FAILURE, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBacktrack) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 0); |
| |
| Label fail; |
| Label backtrack; |
| m.LoadCurrentCharacter(10, &fail); |
| m.Succeed(); |
| m.Bind(&fail); |
| m.PushBacktrack(&backtrack); |
| m.LoadCurrentCharacter(10, NULL); |
| m.Succeed(); |
| m.Bind(&backtrack); |
| m.Fail(); |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("..........")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| Handle<String> input = Factory::NewStringFromAscii(CStrVector("foofoo")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *input, |
| 0, |
| start_adr, |
| start_adr + input->length(), |
| NULL); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::FAILURE, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBackReferenceASCII) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 4); |
| |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.AdvanceCurrentPosition(2); |
| m.WriteCurrentPositionToRegister(1, 0); |
| Label nomatch; |
| m.CheckNotBackReference(0, &nomatch); |
| m.Fail(); |
| m.Bind(&nomatch); |
| m.AdvanceCurrentPosition(2); |
| Label missing_match; |
| m.CheckNotBackReference(0, &missing_match); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.Succeed(); |
| m.Bind(&missing_match); |
| m.Fail(); |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("^(..)..\1")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| Handle<String> input = Factory::NewStringFromAscii(CStrVector("fooofo")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[4]; |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::UC16, 4); |
| |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.AdvanceCurrentPosition(2); |
| m.WriteCurrentPositionToRegister(1, 0); |
| Label nomatch; |
| m.CheckNotBackReference(0, &nomatch); |
| m.Fail(); |
| m.Bind(&nomatch); |
| m.AdvanceCurrentPosition(2); |
| Label missing_match; |
| m.CheckNotBackReference(0, &missing_match); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.Succeed(); |
| m.Bind(&missing_match); |
| m.Fail(); |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("^(..)..\1")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| const uc16 input_data[6] = {'f', 0x2028, 'o', 'o', 'f', 0x2028}; |
| Handle<String> input = |
| Factory::NewStringFromTwoByte(Vector<const uc16>(input_data, 6)); |
| Handle<SeqTwoByteString> seq_input = Handle<SeqTwoByteString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[4]; |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 0); |
| |
| Label not_at_start, newline, fail; |
| m.CheckNotAtStart(¬_at_start); |
| // Check that prevchar = '\n' and current = 'f'. |
| m.CheckCharacter('\n', &newline); |
| m.Bind(&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::NewStringFromAscii(CStrVector("(^f|ob)")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| Handle<String> input = Factory::NewStringFromAscii(CStrVector("foobar")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *input, |
| 0, |
| start_adr, |
| start_adr + input->length(), |
| NULL); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| |
| result = Execute(*code, |
| *input, |
| 3, |
| start_adr + 3, |
| start_adr + input->length(), |
| NULL); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| } |
| |
| |
| TEST(MacroAssemblerNativeBackRefNoCase) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 4); |
| |
| Label fail, succ; |
| |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.AdvanceCurrentPosition(3); |
| m.WriteCurrentPositionToRegister(3, 0); |
| m.CheckNotBackReferenceIgnoreCase(2, &fail); // Match "AbC". |
| m.CheckNotBackReferenceIgnoreCase(2, &fail); // Match "ABC". |
| Label expected_fail; |
| m.CheckNotBackReferenceIgnoreCase(2, &expected_fail); |
| m.Bind(&fail); |
| m.Fail(); |
| |
| m.Bind(&expected_fail); |
| m.AdvanceCurrentPosition(3); // Skip "xYz" |
| m.CheckNotBackReferenceIgnoreCase(2, &succ); |
| m.Fail(); |
| |
| m.Bind(&succ); |
| m.WriteCurrentPositionToRegister(1, 0); |
| m.Succeed(); |
| |
| Handle<String> source = |
| Factory::NewStringFromAscii(CStrVector("^(abc)\1\1(?!\1)...(?!\1)")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| Handle<String> input = |
| Factory::NewStringFromAscii(CStrVector("aBcAbCABCxYzab")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[4]; |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 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.Bind(&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.Bind(&fail); |
| m.Fail(); |
| |
| Handle<String> source = |
| Factory::NewStringFromAscii(CStrVector("<loop test>")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| // String long enough for test (content doesn't matter). |
| Handle<String> input = |
| Factory::NewStringFromAscii(CStrVector("foofoofoofoofoo")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int output[6]; |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *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; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 0); |
| |
| Label loop; |
| m.Bind(&loop); |
| m.PushBacktrack(&loop); |
| m.GoTo(&loop); |
| |
| Handle<String> source = |
| Factory::NewStringFromAscii(CStrVector("<stack overflow test>")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| // String long enough for test (content doesn't matter). |
| Handle<String> input = |
| Factory::NewStringFromAscii(CStrVector("dummy")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *input, |
| 0, |
| start_adr, |
| start_adr + input->length(), |
| NULL); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::EXCEPTION, result); |
| CHECK(Top::has_pending_exception()); |
| Top::clear_pending_exception(); |
| } |
| |
| |
| TEST(MacroAssemblerNativeLotsOfRegisters) { |
| v8::V8::Initialize(); |
| ContextInitializer initializer; |
| |
| ArchRegExpMacroAssembler m(NativeRegExpMacroAssembler::ASCII, 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, &done); // Performs a system-stack push. |
| m.Bind(&done); |
| m.PushRegister(large_number, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.PopRegister(1); |
| m.Succeed(); |
| |
| Handle<String> source = |
| Factory::NewStringFromAscii(CStrVector("<huge register space test>")); |
| Handle<Object> code_object = m.GetCode(source); |
| Handle<Code> code = Handle<Code>::cast(code_object); |
| |
| // String long enough for test (content doesn't matter). |
| Handle<String> input = |
| Factory::NewStringFromAscii(CStrVector("sample text")); |
| Handle<SeqAsciiString> seq_input = Handle<SeqAsciiString>::cast(input); |
| Address start_adr = seq_input->GetCharsAddress(); |
| |
| int captures[2]; |
| NativeRegExpMacroAssembler::Result result = |
| Execute(*code, |
| *input, |
| 0, |
| start_adr, |
| start_adr + input->length(), |
| captures); |
| |
| CHECK_EQ(NativeRegExpMacroAssembler::SUCCESS, result); |
| CHECK_EQ(0, captures[0]); |
| CHECK_EQ(42, captures[1]); |
| |
| Top::clear_pending_exception(); |
| } |
| |
| #else // V8_INTERPRETED_REGEXP |
| |
| TEST(MacroAssembler) { |
| V8::Initialize(NULL); |
| byte codes[1024]; |
| RegExpMacroAssemblerIrregexp m(Vector<byte>(codes, 1024)); |
| // ^f(o)o. |
| Label fail, fail2, start; |
| uc16 foo_chars[3]; |
| foo_chars[0] = 'f'; |
| foo_chars[1] = 'o'; |
| foo_chars[2] = 'o'; |
| Vector<const uc16> foo(foo_chars, 3); |
| m.SetRegister(4, 42); |
| m.PushRegister(4, RegExpMacroAssembler::kNoStackLimitCheck); |
| m.AdvanceRegister(4, 42); |
| m.GoTo(&start); |
| m.Fail(); |
| m.Bind(&start); |
| m.PushBacktrack(&fail2); |
| m.CheckCharacters(foo, 0, &fail, true); |
| m.WriteCurrentPositionToRegister(0, 0); |
| m.PushCurrentPosition(); |
| m.AdvanceCurrentPosition(3); |
| m.WriteCurrentPositionToRegister(1, 0); |
| m.PopCurrentPosition(); |
| m.AdvanceCurrentPosition(1); |
| m.WriteCurrentPositionToRegister(2, 0); |
| m.AdvanceCurrentPosition(1); |
| m.WriteCurrentPositionToRegister(3, 0); |
| m.Succeed(); |
| |
| m.Bind(&fail); |
| m.Backtrack(); |
| m.Succeed(); |
| |
| m.Bind(&fail2); |
| m.PopRegister(0); |
| m.Fail(); |
| |
| v8::HandleScope scope; |
| |
| Handle<String> source = Factory::NewStringFromAscii(CStrVector("^f(o)o")); |
| Handle<ByteArray> array = Handle<ByteArray>::cast(m.GetCode(source)); |
| int captures[5]; |
| |
| const uc16 str1[] = {'f', 'o', 'o', 'b', 'a', 'r'}; |
| Handle<String> f1_16 = |
| Factory::NewStringFromTwoByte(Vector<const uc16>(str1, 6)); |
| |
| CHECK(IrregexpInterpreter::Match(array, f1_16, captures, 0)); |
| 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)); |
| |
| CHECK(!IrregexpInterpreter::Match(array, f2_16, captures, 0)); |
| CHECK_EQ(42, captures[0]); |
| } |
| |
| #endif // V8_INTERPRETED_REGEXP |
| |
| |
| TEST(AddInverseToTable) { |
| static const int kLimit = 1000; |
| static const int kRangeCount = 16; |
| for (int t = 0; t < 10; t++) { |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| ZoneList<CharacterRange>* ranges = |
| new ZoneList<CharacterRange>(kRangeCount); |
| for (int i = 0; i < kRangeCount; i++) { |
| int from = PseudoRandom(t + 87, i + 25) % kLimit; |
| int to = from + (PseudoRandom(i + 87, t + 25) % (kLimit / 20)); |
| if (to > kLimit) to = kLimit; |
| ranges->Add(CharacterRange(from, to)); |
| } |
| DispatchTable table; |
| DispatchTableConstructor cons(&table, false); |
| cons.set_choice_index(0); |
| cons.AddInverse(ranges); |
| for (int i = 0; i < kLimit; i++) { |
| bool is_on = false; |
| for (int j = 0; !is_on && j < kRangeCount; j++) |
| is_on = ranges->at(j).Contains(i); |
| OutSet* set = table.Get(i); |
| CHECK_EQ(is_on, set->Get(0) == false); |
| } |
| } |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| ZoneList<CharacterRange>* ranges = |
| new ZoneList<CharacterRange>(1); |
| ranges->Add(CharacterRange(0xFFF0, 0xFFFE)); |
| DispatchTable table; |
| DispatchTableConstructor cons(&table, false); |
| cons.set_choice_index(0); |
| cons.AddInverse(ranges); |
| CHECK(!table.Get(0xFFFE)->Get(0)); |
| CHECK(table.Get(0xFFFF)->Get(0)); |
| } |
| |
| |
| static uc32 canonicalize(uc32 c) { |
| unibrow::uchar canon[unibrow::Ecma262Canonicalize::kMaxWidth]; |
| int count = unibrow::Ecma262Canonicalize::Convert(c, '\0', canon, NULL); |
| if (count == 0) { |
| return c; |
| } else { |
| CHECK_EQ(1, count); |
| return canon[0]; |
| } |
| } |
| |
| |
| TEST(LatinCanonicalize) { |
| unibrow::Mapping<unibrow::Ecma262UnCanonicalize> un_canonicalize; |
| for (char lower = 'a'; lower <= 'z'; lower++) { |
| char 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, NULL); |
| 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])); |
| } |
| } |
| } |
| |
| |
| static void TestRangeCaseIndependence(CharacterRange input, |
| Vector<CharacterRange> expected) { |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| int count = expected.length(); |
| ZoneList<CharacterRange>* list = new ZoneList<CharacterRange>(count); |
| input.AddCaseEquivalents(list, false); |
| 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(CharacterRange input, |
| CharacterRange expected) { |
| EmbeddedVector<CharacterRange, 1> vector; |
| vector[0] = expected; |
| TestRangeCaseIndependence(input, vector); |
| } |
| |
| |
| TEST(CharacterRangeCaseIndependence) { |
| TestSimpleRangeCaseIndependence(CharacterRange::Singleton('a'), |
| CharacterRange::Singleton('A')); |
| TestSimpleRangeCaseIndependence(CharacterRange::Singleton('z'), |
| CharacterRange::Singleton('Z')); |
| TestSimpleRangeCaseIndependence(CharacterRange('a', 'z'), |
| CharacterRange('A', 'Z')); |
| TestSimpleRangeCaseIndependence(CharacterRange('c', 'f'), |
| CharacterRange('C', 'F')); |
| TestSimpleRangeCaseIndependence(CharacterRange('a', 'b'), |
| CharacterRange('A', 'B')); |
| TestSimpleRangeCaseIndependence(CharacterRange('y', 'z'), |
| CharacterRange('Y', 'Z')); |
| TestSimpleRangeCaseIndependence(CharacterRange('a' - 1, 'z' + 1), |
| CharacterRange('A', 'Z')); |
| TestSimpleRangeCaseIndependence(CharacterRange('A', 'Z'), |
| CharacterRange('a', 'z')); |
| TestSimpleRangeCaseIndependence(CharacterRange('C', 'F'), |
| CharacterRange('c', 'f')); |
| TestSimpleRangeCaseIndependence(CharacterRange('A' - 1, 'Z' + 1), |
| CharacterRange('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(CharacterRange('A', 'k'), |
| CharacterRange('a', 'z')); |
| } |
| |
| |
| static bool InClass(uc16 c, ZoneList<CharacterRange>* ranges) { |
| if (ranges == NULL) |
| return false; |
| for (int i = 0; i < ranges->length(); i++) { |
| CharacterRange range = ranges->at(i); |
| if (range.from() <= c && c <= range.to()) |
| return true; |
| } |
| return false; |
| } |
| |
| |
| TEST(CharClassDifference) { |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| ZoneList<CharacterRange>* base = new ZoneList<CharacterRange>(1); |
| base->Add(CharacterRange::Everything()); |
| Vector<const uc16> overlay = CharacterRange::GetWordBounds(); |
| ZoneList<CharacterRange>* included = NULL; |
| ZoneList<CharacterRange>* excluded = NULL; |
| CharacterRange::Split(base, overlay, &included, &excluded); |
| for (int i = 0; i < (1 << 16); i++) { |
| bool in_base = InClass(i, base); |
| if (in_base) { |
| bool in_overlay = false; |
| for (int j = 0; !in_overlay && j < overlay.length(); j += 2) { |
| if (overlay[j] <= i && i <= overlay[j+1]) |
| in_overlay = true; |
| } |
| CHECK_EQ(in_overlay, InClass(i, included)); |
| CHECK_EQ(!in_overlay, InClass(i, excluded)); |
| } else { |
| CHECK(!InClass(i, included)); |
| CHECK(!InClass(i, excluded)); |
| } |
| } |
| } |
| |
| |
| TEST(CanonicalizeCharacterSets) { |
| ZoneScope scope(DELETE_ON_EXIT); |
| ZoneList<CharacterRange>* list = new ZoneList<CharacterRange>(4); |
| CharacterSet set(list); |
| |
| list->Add(CharacterRange(10, 20)); |
| list->Add(CharacterRange(30, 40)); |
| list->Add(CharacterRange(50, 60)); |
| set.Canonicalize(); |
| ASSERT_EQ(3, list->length()); |
| ASSERT_EQ(10, list->at(0).from()); |
| ASSERT_EQ(20, list->at(0).to()); |
| ASSERT_EQ(30, list->at(1).from()); |
| ASSERT_EQ(40, list->at(1).to()); |
| ASSERT_EQ(50, list->at(2).from()); |
| ASSERT_EQ(60, list->at(2).to()); |
| |
| list->Rewind(0); |
| list->Add(CharacterRange(10, 20)); |
| list->Add(CharacterRange(50, 60)); |
| list->Add(CharacterRange(30, 40)); |
| set.Canonicalize(); |
| ASSERT_EQ(3, list->length()); |
| ASSERT_EQ(10, list->at(0).from()); |
| ASSERT_EQ(20, list->at(0).to()); |
| ASSERT_EQ(30, list->at(1).from()); |
| ASSERT_EQ(40, list->at(1).to()); |
| ASSERT_EQ(50, list->at(2).from()); |
| ASSERT_EQ(60, list->at(2).to()); |
| |
| list->Rewind(0); |
| list->Add(CharacterRange(30, 40)); |
| list->Add(CharacterRange(10, 20)); |
| list->Add(CharacterRange(25, 25)); |
| list->Add(CharacterRange(100, 100)); |
| list->Add(CharacterRange(1, 1)); |
| set.Canonicalize(); |
| ASSERT_EQ(5, list->length()); |
| ASSERT_EQ(1, list->at(0).from()); |
| ASSERT_EQ(1, list->at(0).to()); |
| ASSERT_EQ(10, list->at(1).from()); |
| ASSERT_EQ(20, list->at(1).to()); |
| ASSERT_EQ(25, list->at(2).from()); |
| ASSERT_EQ(25, list->at(2).to()); |
| ASSERT_EQ(30, list->at(3).from()); |
| ASSERT_EQ(40, list->at(3).to()); |
| ASSERT_EQ(100, list->at(4).from()); |
| ASSERT_EQ(100, list->at(4).to()); |
| |
| list->Rewind(0); |
| list->Add(CharacterRange(10, 19)); |
| list->Add(CharacterRange(21, 30)); |
| list->Add(CharacterRange(20, 20)); |
| set.Canonicalize(); |
| ASSERT_EQ(1, list->length()); |
| ASSERT_EQ(10, list->at(0).from()); |
| ASSERT_EQ(30, list->at(0).to()); |
| } |
| |
| // Checks whether a character is in the set represented by a list of ranges. |
| static bool CharacterInSet(ZoneList<CharacterRange>* set, uc16 value) { |
| for (int i = 0; i < set->length(); i++) { |
| CharacterRange range = set->at(i); |
| if (range.from() <= value && value <= range.to()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| TEST(CharacterRangeMerge) { |
| ZoneScope zone_scope(DELETE_ON_EXIT); |
| ZoneList<CharacterRange> l1(4); |
| ZoneList<CharacterRange> l2(4); |
| // 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)); |
| l2.Add(CharacterRange::Singleton(offset + i)); |
| 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)); |
| l2.Add(CharacterRange::Singleton(offset + i)); |
| 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)); // Length 8. |
| l2.Add(CharacterRange::Range(offset + 2 * i, offset + 2 * i + 3)); |
| offset += 22; |
| } |
| l1.Add(CharacterRange::Range(offset + 6, offset + 15)); |
| l2.Add(CharacterRange::Range(offset + 6, offset + 15)); |
| offset += 22; |
| l1.Add(CharacterRange::Range(offset + 6, offset + 15)); |
| l2.Add(CharacterRange::Range(offset + 4, offset + 17)); |
| 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)); |
| l1.Add(CharacterRange::Range(offset + 31, offset + 52)); |
| for (int i = 0; i < 6; i++) { |
| l2.Add(CharacterRange::Range(offset + 2, offset + 5)); |
| l2.Add(CharacterRange::Singleton(offset + 8)); |
| offset += 9; |
| } |
| |
| ASSERT(CharacterRange::IsCanonical(&l1)); |
| ASSERT(CharacterRange::IsCanonical(&l2)); |
| |
| ZoneList<CharacterRange> first_only(4); |
| ZoneList<CharacterRange> second_only(4); |
| ZoneList<CharacterRange> both(4); |
| |
| // Merge one direction. |
| CharacterRange::Merge(&l1, &l2, &first_only, &second_only, &both); |
| |
| CHECK(CharacterRange::IsCanonical(&first_only)); |
| CHECK(CharacterRange::IsCanonical(&second_only)); |
| CHECK(CharacterRange::IsCanonical(&both)); |
| |
| for (uc16 i = 0; i < offset; i++) { |
| bool in_first = CharacterInSet(&l1, i); |
| bool in_second = CharacterInSet(&l2, i); |
| CHECK((in_first && !in_second) == CharacterInSet(&first_only, i)); |
| CHECK((!in_first && in_second) == CharacterInSet(&second_only, i)); |
| CHECK((in_first && in_second) == CharacterInSet(&both, i)); |
| } |
| |
| first_only.Clear(); |
| second_only.Clear(); |
| both.Clear(); |
| |
| // Merge other direction. |
| CharacterRange::Merge(&l2, &l1, &second_only, &first_only, &both); |
| |
| CHECK(CharacterRange::IsCanonical(&first_only)); |
| CHECK(CharacterRange::IsCanonical(&second_only)); |
| CHECK(CharacterRange::IsCanonical(&both)); |
| |
| for (uc16 i = 0; i < offset; i++) { |
| bool in_first = CharacterInSet(&l1, i); |
| bool in_second = CharacterInSet(&l2, i); |
| CHECK((in_first && !in_second) == CharacterInSet(&first_only, i)); |
| CHECK((!in_first && in_second) == CharacterInSet(&second_only, i)); |
| CHECK((in_first && in_second) == CharacterInSet(&both, i)); |
| } |
| |
| first_only.Clear(); |
| second_only.Clear(); |
| both.Clear(); |
| |
| // Merge but don't record all combinations. |
| CharacterRange::Merge(&l1, &l2, NULL, NULL, &both); |
| |
| CHECK(CharacterRange::IsCanonical(&both)); |
| |
| for (uc16 i = 0; i < offset; i++) { |
| bool in_first = CharacterInSet(&l1, i); |
| bool in_second = CharacterInSet(&l2, i); |
| CHECK((in_first && in_second) == CharacterInSet(&both, i)); |
| } |
| |
| // Merge into same set. |
| ZoneList<CharacterRange> all(4); |
| CharacterRange::Merge(&l1, &l2, &all, &all, &all); |
| |
| CHECK(CharacterRange::IsCanonical(&all)); |
| |
| for (uc16 i = 0; i < offset; i++) { |
| bool in_first = CharacterInSet(&l1, i); |
| bool in_second = CharacterInSet(&l2, i); |
| CHECK((in_first || in_second) == CharacterInSet(&all, i)); |
| } |
| } |
| |
| |
| TEST(Graph) { |
| V8::Initialize(NULL); |
| Execute("\\b\\w+\\b", false, true, true); |
| } |
