4bbfc4b7a6
The argument is no longer in use. Bug: v8:11382 Change-Id: I7febc7fe7ef17ae462c700f0dba3ca1beade3021 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3173681 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Patrick Thier <pthier@chromium.org> Cr-Commit-Position: refs/heads/main@{#77017}
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
// Copyright 2011 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// A simple interpreter for the Irregexp byte code.
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#ifndef V8_REGEXP_REGEXP_INTERPRETER_H_
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#define V8_REGEXP_REGEXP_INTERPRETER_H_
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#include "src/regexp/regexp.h"
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namespace v8 {
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namespace internal {
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class ByteArray;
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class V8_EXPORT_PRIVATE IrregexpInterpreter : public AllStatic {
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public:
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enum Result {
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FAILURE = RegExp::kInternalRegExpFailure,
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SUCCESS = RegExp::kInternalRegExpSuccess,
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EXCEPTION = RegExp::kInternalRegExpException,
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RETRY = RegExp::kInternalRegExpRetry,
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FALLBACK_TO_EXPERIMENTAL = RegExp::kInternalRegExpFallbackToExperimental,
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};
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// In case a StackOverflow occurs, a StackOverflowException is created and
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// EXCEPTION is returned.
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static Result MatchForCallFromRuntime(
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Isolate* isolate, Handle<JSRegExp> regexp, Handle<String> subject_string,
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int* output_registers, int output_register_count, int start_position);
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// In case a StackOverflow occurs, EXCEPTION is returned. The caller is
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// responsible for creating the exception.
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//
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// RETRY is returned if a retry through the runtime is needed (e.g. when
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// interrupts have been scheduled or the regexp is marked for tier-up).
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//
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// Arguments input_start and input_end are unused. They are only passed to
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// match the signature of the native irregex code.
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//
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// Arguments output_registers and output_register_count describe the results
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// array, which will contain register values of all captures if SUCCESS is
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// returned. For all other return codes, the results array remains unmodified.
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static Result MatchForCallFromJs(Address subject, int32_t start_position,
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Address input_start, Address input_end,
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int* output_registers,
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int32_t output_register_count,
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RegExp::CallOrigin call_origin,
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Isolate* isolate, Address regexp);
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static Result MatchInternal(Isolate* isolate, ByteArray code_array,
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String subject_string, int* output_registers,
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int output_register_count,
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int total_register_count, int start_position,
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RegExp::CallOrigin call_origin,
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uint32_t backtrack_limit);
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private:
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static Result Match(Isolate* isolate, JSRegExp regexp, String subject_string,
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int* output_registers, int output_register_count,
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int start_position, RegExp::CallOrigin call_origin);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_REGEXP_REGEXP_INTERPRETER_H_
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