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v8
V8 is Google’s open source high-performance JavaScript and WebAssembly engine, written in C++.
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#include <regexp-macro-assembler-arm64.h>
Public Member Functions | |
RegExpMacroAssemblerARM64 (Isolate *isolate, Zone *zone, Mode mode, int registers_to_save) | |
~RegExpMacroAssemblerARM64 () override | |
void | AbortedCodeGeneration () override |
int | stack_limit_slack_slot_count () override |
void | AdvanceCurrentPosition (int by) override |
void | AdvanceRegister (int reg, int by) override |
void | Backtrack () override |
void | Bind (Label *label) override |
void | CheckAtStart (int cp_offset, Label *on_at_start) override |
void | CheckCharacter (unsigned c, Label *on_equal) override |
void | CheckCharacterAfterAnd (unsigned c, unsigned mask, Label *on_equal) override |
void | CheckCharacterGT (base::uc16 limit, Label *on_greater) override |
void | CheckCharacterLT (base::uc16 limit, Label *on_less) override |
void | CheckCharacters (base::Vector< const base::uc16 > str, int cp_offset, Label *on_failure, bool check_end_of_string) |
void | CheckGreedyLoop (Label *on_tos_equals_current_position) override |
void | CheckNotAtStart (int cp_offset, Label *on_not_at_start) override |
void | CheckNotBackReference (int start_reg, bool read_backward, Label *on_no_match) override |
void | CheckNotBackReferenceIgnoreCase (int start_reg, bool read_backward, bool unicode, Label *on_no_match) override |
void | CheckNotCharacter (unsigned c, Label *on_not_equal) override |
void | CheckNotCharacterAfterAnd (unsigned c, unsigned mask, Label *on_not_equal) override |
void | CheckNotCharacterAfterMinusAnd (base::uc16 c, base::uc16 minus, base::uc16 mask, Label *on_not_equal) override |
void | CheckCharacterInRange (base::uc16 from, base::uc16 to, Label *on_in_range) override |
void | CheckCharacterNotInRange (base::uc16 from, base::uc16 to, Label *on_not_in_range) override |
bool | CheckCharacterInRangeArray (const ZoneList< CharacterRange > *ranges, Label *on_in_range) override |
bool | CheckCharacterNotInRangeArray (const ZoneList< CharacterRange > *ranges, Label *on_not_in_range) override |
void | CheckBitInTable (Handle< ByteArray > table, Label *on_bit_set) override |
void | SkipUntilBitInTable (int cp_offset, Handle< ByteArray > table, Handle< ByteArray > nibble_table, int advance_by) override |
bool | SkipUntilBitInTableUseSimd (int advance_by) override |
void | CheckPosition (int cp_offset, Label *on_outside_input) override |
bool | CheckSpecialClassRanges (StandardCharacterSet type, Label *on_no_match) override |
void | BindJumpTarget (Label *label=nullptr) override |
void | Fail () override |
DirectHandle< HeapObject > | GetCode (DirectHandle< String > source, RegExpFlags flags) override |
void | GoTo (Label *label) override |
void | IfRegisterGE (int reg, int comparand, Label *if_ge) override |
void | IfRegisterLT (int reg, int comparand, Label *if_lt) override |
void | IfRegisterEqPos (int reg, Label *if_eq) override |
IrregexpImplementation | Implementation () override |
void | LoadCurrentCharacterUnchecked (int cp_offset, int character_count) override |
void | PopCurrentPosition () override |
void | PopRegister (int register_index) override |
void | PushBacktrack (Label *label) override |
void | PushCurrentPosition () override |
void | PushRegister (int register_index, StackCheckFlag check_stack_limit) override |
void | ReadCurrentPositionFromRegister (int reg) override |
void | ReadStackPointerFromRegister (int reg) override |
void | SetCurrentPositionFromEnd (int by) override |
void | SetRegister (int register_index, int to) override |
bool | Succeed () override |
void | WriteCurrentPositionToRegister (int reg, int cp_offset) override |
void | ClearRegisters (int reg_from, int reg_to) override |
void | WriteStackPointerToRegister (int reg) override |
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NativeRegExpMacroAssembler (Isolate *isolate, Zone *zone) | |
~NativeRegExpMacroAssembler () override=default | |
bool | CanReadUnaligned () const override |
void | LoadCurrentCharacterImpl (int cp_offset, Label *on_end_of_input, bool check_bounds, int characters, int eats_at_least) override |
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RegExpMacroAssembler (Isolate *isolate, Zone *zone) | |
virtual | ~RegExpMacroAssembler ()=default |
V8_EXPORT_PRIVATE void | LoadCurrentCharacter (int cp_offset, Label *on_end_of_input, bool check_bounds=true, int characters=1, int eats_at_least=kUseCharactersValue) |
void | CheckNotInSurrogatePair (int cp_offset, Label *on_failure) |
const char * | ImplementationToString (IrregexpImplementation impl) |
void | set_slow_safe (bool ssc) |
bool | slow_safe () const |
void | set_backtrack_limit (uint32_t backtrack_limit) |
void | set_can_fallback (bool val) |
void | set_global_mode (GlobalMode mode) |
bool | global () const |
bool | global_with_zero_length_check () const |
bool | global_unicode () const |
Isolate * | isolate () const |
Zone * | zone () const |
Static Public Member Functions | |
static int | CheckStackGuardState (Address *return_address, Address raw_code, Address re_frame, int start_offset, const uint8_t **input_start, const uint8_t **input_end, uintptr_t extra_space) |
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static int | Match (DirectHandle< IrRegExpData > regexp_data, DirectHandle< String > subject, int *offsets_vector, int offsets_vector_length, int previous_index, Isolate *isolate) |
static V8_EXPORT_PRIVATE int | ExecuteForTesting (Tagged< String > input, int start_offset, const uint8_t *input_start, const uint8_t *input_end, int *output, int output_size, Isolate *isolate, Tagged< JSRegExp > regexp) |
static Address | GrowStack (Isolate *isolate) |
static int | CheckStackGuardState (Isolate *isolate, int start_index, RegExp::CallOrigin call_origin, Address *return_address, Tagged< InstructionStream > re_code, Address *subject, const uint8_t **input_start, const uint8_t **input_end, uintptr_t gap) |
static Address | word_character_map_address () |
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static int | CaseInsensitiveCompareNonUnicode (Address byte_offset1, Address byte_offset2, size_t byte_length, Isolate *isolate) |
static int | CaseInsensitiveCompareUnicode (Address byte_offset1, Address byte_offset2, size_t byte_length, Isolate *isolate) |
static uint32_t | IsCharacterInRangeArray (uint32_t current_char, Address raw_byte_array) |
Private Types | |
enum | RegisterState { STACKED , CACHED_LSW , CACHED_MSW } |
Static Private Member Functions | |
static constexpr Register | current_input_offset () |
static constexpr Register | current_character () |
static constexpr Register | input_end () |
static constexpr Register | input_start () |
static constexpr Register | start_offset () |
static constexpr Register | output_array () |
static constexpr Register | frame_pointer () |
static constexpr Register | backtrack_stackpointer () |
static constexpr Register | code_pointer () |
static constexpr Register | string_start_minus_one () |
static constexpr Register | twice_non_position_value () |
Private Attributes | |
const std::unique_ptr< MacroAssembler > | masm_ |
const NoRootArrayScope | no_root_array_scope_ |
const Mode | mode_ |
int | num_registers_ |
const int | num_saved_registers_ |
Label | entry_label_ |
Label | start_label_ |
Label | success_label_ |
Label | backtrack_label_ |
Label | exit_label_ |
Label | check_preempt_label_ |
Label | stack_overflow_label_ |
Label | fallback_label_ |
Static Private Attributes | |
static constexpr int | kFramePointerOffset = 0 |
static constexpr int | kReturnAddressOffset |
static constexpr int | kNumCalleeSavedRegisters = 10 |
static constexpr int | kCalleeSavedRegistersOffset |
static constexpr int | kFrameTypeOffset |
static constexpr int | kPaddingAfterFrameType = kSystemPointerSize |
static constexpr int | kIsolateOffset |
static constexpr int | kDirectCallOffset = kIsolateOffset - kSystemPointerSize |
static constexpr int | kNumOutputRegistersOffset |
static constexpr int | kInputStringOffset |
static constexpr int | kSuccessfulCapturesOffset |
static constexpr int | kBacktrackCountOffset |
static constexpr int | kRegExpStackBasePointerOffset |
static constexpr int | kStackLocalPadding |
static constexpr int | kNumberOfStackLocals = 4 |
static constexpr int | kFirstRegisterOnStackOffset |
static constexpr int | kFirstCaptureOnStackOffset |
static constexpr int | kInitialBufferSize = 1024 |
static constexpr int | kNumRegistersToUnroll = 16 |
static constexpr int | kNumCachedRegisters = 16 |
Additional Inherited Members | |
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enum | Mode { LATIN1 = 1 , UC16 = 2 } |
enum | Result { FAILURE = RegExp::kInternalRegExpFailure , SUCCESS = RegExp::kInternalRegExpSuccess , EXCEPTION = RegExp::kInternalRegExpException , RETRY = RegExp::kInternalRegExpRetry , FALLBACK_TO_EXPERIMENTAL = RegExp::kInternalRegExpFallbackToExperimental , SMALLEST_REGEXP_RESULT = RegExp::kInternalRegExpSmallestResult } |
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enum | StackCheckFlag { kNoStackLimitCheck = false , kCheckStackLimit = true } |
enum | IrregexpImplementation |
enum | GlobalMode { NOT_GLOBAL , GLOBAL_NO_ZERO_LENGTH_CHECK , GLOBAL , GLOBAL_UNICODE } |
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static constexpr int | kMaxRegisterCount = (1 << 16) |
static constexpr int | kMaxRegister = kMaxRegisterCount - 1 |
static constexpr int | kMaxCaptures = (kMaxRegister - 1) / 2 |
static constexpr int | kMaxCPOffset = (1 << 15) - 1 |
static constexpr int | kMinCPOffset = -(1 << 15) |
static constexpr int | kTableSizeBits = 7 |
static constexpr int | kTableSize = 1 << kTableSizeBits |
static constexpr int | kTableMask = kTableSize - 1 |
static constexpr int | kUseCharactersValue = -1 |
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Handle< ByteArray > | GetOrAddRangeArray (const ZoneList< CharacterRange > *ranges) |
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bool | has_backtrack_limit () const |
uint32_t | backtrack_limit () const |
bool | can_fallback () const |
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static const uint8_t | word_character_map [256] |
Definition at line 16 of file regexp-macro-assembler-arm64.h.
Enumerator | |
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STACKED | |
CACHED_LSW | |
CACHED_MSW |
Definition at line 261 of file regexp-macro-assembler-arm64.h.
v8::internal::RegExpMacroAssemblerARM64::RegExpMacroAssemblerARM64 | ( | Isolate * | isolate, |
Zone * | zone, | ||
Mode | mode, | ||
int | registers_to_save ) |
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overridevirtual |
Reimplemented from v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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inlinestaticconstexprprivate |
Definition at line 220 of file regexp-macro-assembler-arm64.h.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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Reimplemented from v8::internal::RegExpMacroAssembler.
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Definition at line 232 of file regexp-macro-assembler-arm64.h.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
void v8::internal::RegExpMacroAssemblerARM64::CheckCharacters | ( | base::Vector< const base::uc16 > | str, |
int | cp_offset, | ||
Label * | on_failure, | ||
bool | check_end_of_string ) |
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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overridevirtual |
Implements v8::internal::RegExpMacroAssembler.
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Reimplemented from v8::internal::RegExpMacroAssembler.
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Reimplemented from v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 223 of file regexp-macro-assembler-arm64.h.
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Definition at line 199 of file regexp-macro-assembler-arm64.h.
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Definition at line 196 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 216 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 267 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 202 of file regexp-macro-assembler-arm64.h.
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Definition at line 205 of file regexp-macro-assembler-arm64.h.
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Definition at line 303 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::NativeRegExpMacroAssembler.
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Definition at line 212 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Reimplemented from v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 209 of file regexp-macro-assembler-arm64.h.
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Definition at line 226 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 229 of file regexp-macro-assembler-arm64.h.
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Implements v8::internal::RegExpMacroAssembler.
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Implements v8::internal::RegExpMacroAssembler.
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Definition at line 322 of file regexp-macro-assembler-arm64.h.
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Definition at line 324 of file regexp-macro-assembler-arm64.h.
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