| Index: src/jsregexp-inl.h
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| diff --git a/src/jsregexp-inl.h b/src/jsregexp-inl.h
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..3ef07d8c5406ed2c02c620778acbae710bc0f5b2
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| --- /dev/null
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| +++ b/src/jsregexp-inl.h
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| @@ -0,0 +1,106 @@
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| +// Copyright 2013 the V8 project authors. All rights reserved.
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| +// Redistribution and use in source and binary forms, with or without
|
| +// modification, are permitted provided that the following conditions are
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| +// met:
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| +//
|
| +// * 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
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| +// from this software without specific prior written permission.
|
| +//
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| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| +// "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
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| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| +
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| +
|
| +#ifndef V8_JSREGEXP_INL_H_
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| +#define V8_JSREGEXP_INL_H_
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| +
|
| +#include "allocation.h"
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| +#include "handles.h"
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| +#include "heap.h"
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| +#include "jsregexp.h"
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| +#include "objects.h"
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| +
|
| +namespace v8 {
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| +namespace internal {
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| +
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| +
|
| +RegExpImpl::GlobalCache::~GlobalCache() {
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| + // Deallocate the register array if we allocated it in the constructor
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| + // (as opposed to using the existing jsregexp_static_offsets_vector).
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| + if (register_array_size_ > Isolate::kJSRegexpStaticOffsetsVectorSize) {
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| + DeleteArray(register_array_);
|
| + }
|
| +}
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| +
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| +
|
| +int32_t* RegExpImpl::GlobalCache::FetchNext() {
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| + current_match_index_++;
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| + if (current_match_index_ >= num_matches_) {
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| + // Current batch of results exhausted.
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| + // Fail if last batch was not even fully filled.
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| + if (num_matches_ < max_matches_) {
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| + num_matches_ = 0; // Signal failed match.
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| + return NULL;
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| + }
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| +
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| + int32_t* last_match =
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| + ®ister_array_[(current_match_index_ - 1) * registers_per_match_];
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| + int last_end_index = last_match[1];
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| +
|
| + if (regexp_->TypeTag() == JSRegExp::ATOM) {
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| + num_matches_ = RegExpImpl::AtomExecRaw(regexp_,
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| + subject_,
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| + last_end_index,
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| + register_array_,
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| + register_array_size_);
|
| + } else {
|
| + int last_start_index = last_match[0];
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| + if (last_start_index == last_end_index) last_end_index++;
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| + if (last_end_index > subject_->length()) {
|
| + num_matches_ = 0; // Signal failed match.
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| + return NULL;
|
| + }
|
| + num_matches_ = RegExpImpl::IrregexpExecRaw(regexp_,
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| + subject_,
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| + last_end_index,
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| + register_array_,
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| + register_array_size_);
|
| + }
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| +
|
| + if (num_matches_ <= 0) return NULL;
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| + current_match_index_ = 0;
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| + return register_array_;
|
| + } else {
|
| + return ®ister_array_[current_match_index_ * registers_per_match_];
|
| + }
|
| +}
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| +
|
| +
|
| +int32_t* RegExpImpl::GlobalCache::LastSuccessfulMatch() {
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| + int index = current_match_index_ * registers_per_match_;
|
| + if (num_matches_ == 0) {
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| + // After a failed match we shift back by one result.
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| + index -= registers_per_match_;
|
| + }
|
| + return ®ister_array_[index];
|
| +}
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| +
|
| +
|
| +} } // namespace v8::internal
|
| +
|
| +#endif // V8_JSREGEXP_INL_H_
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|
|