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// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef INCLUDE_V8_REGEXP_H_
#define INCLUDE_V8_REGEXP_H_
#include "v8-local-handle.h" // NOLINT(build/include_directory)
#include "v8-object.h" // NOLINT(build/include_directory)
#include "v8config.h" // NOLINT(build/include_directory)
namespace v8 {
class Context;
/**
* An instance of the built-in RegExp constructor (ECMA-262, 15.10).
*/
class V8_EXPORT RegExp : public Object {
public:
/**
* Regular expression flag bits. They can be or'ed to enable a set
* of flags.
* The kLinear value ('l') is experimental and can only be used with
* --enable-experimental-regexp-engine. RegExps with kLinear flag are
* guaranteed to be executed in asymptotic linear time wrt. the length of
* the subject string.
*/
enum Flags {
kNone = 0,
kGlobal = 1 << 0,
kIgnoreCase = 1 << 1,
kMultiline = 1 << 2,
kSticky = 1 << 3,
kUnicode = 1 << 4,
kDotAll = 1 << 5,
kLinear = 1 << 6,
kHasIndices = 1 << 7,
kUnicodeSets = 1 << 8,
};
static constexpr int kFlagCount = 9;
/**
* Creates a regular expression from the given pattern string and
* the flags bit field. May throw a JavaScript exception as
* described in ECMA-262, 15.10.4.1.
*
* For example,
* RegExp::New(v8::String::New("foo"),
* static_cast<RegExp::Flags>(kGlobal | kMultiline))
* is equivalent to evaluating "/foo/gm".
*/
static V8_WARN_UNUSED_RESULT MaybeLocal<RegExp> New(Local<Context> context,
Local<String> pattern,
Flags flags);
/**
* Like New, but additionally specifies a backtrack limit. If the number of
* backtracks done in one Exec call hits the limit, a match failure is
* immediately returned.
*/
static V8_WARN_UNUSED_RESULT MaybeLocal<RegExp> NewWithBacktrackLimit(
Local<Context> context, Local<String> pattern, Flags flags,
uint32_t backtrack_limit);
/**
* Executes the current RegExp instance on the given subject string.
* Equivalent to RegExp.prototype.exec as described in
*
* https://tc39.es/ecma262/#sec-regexp.prototype.exec
*
* On success, an Array containing the matched strings is returned. On
* failure, returns Null.
*
* Note: modifies global context state, accessible e.g. through RegExp.input.
*/
V8_WARN_UNUSED_RESULT MaybeLocal<Object> Exec(Local<Context> context,
Local<String> subject);
/**
* Returns the value of the source property: a string representing
* the regular expression.
*/
Local<String> GetSource() const;
/**
* Returns the flags bit field.
*/
Flags GetFlags() const;
V8_INLINE static RegExp* Cast(Value* value) {
#ifdef V8_ENABLE_CHECKS
CheckCast(value);
#endif
return static_cast<RegExp*>(value);
}
private:
static void CheckCast(Value* obj);
};
} // namespace v8
#endif // INCLUDE_V8_REGEXP_H_
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| cppgc | Folder | 0755 |
|
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| libplatform | Folder | 0755 |
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| openssl | Folder | 0755 |
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| uv | Folder | 0755 |
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| common.gypi | File | 26.59 KB | 0644 |
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| config.gypi | File | 32.08 KB | 0644 |
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| js_native_api.h | File | 31.64 KB | 0644 |
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| js_native_api_types.h | File | 6.87 KB | 0644 |
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| node.h | File | 67.99 KB | 0644 |
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| node_api.h | File | 10.34 KB | 0644 |
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| node_api_types.h | File | 1.57 KB | 0644 |
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| node_buffer.h | File | 3.6 KB | 0644 |
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| node_object_wrap.h | File | 3.78 KB | 0644 |
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| node_version.h | File | 4.14 KB | 0644 |
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| uv.h | File | 71.1 KB | 0644 |
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| v8-array-buffer.h | File | 17.89 KB | 0644 |
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| v8-callbacks.h | File | 16.59 KB | 0644 |
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| v8-container.h | File | 5.82 KB | 0644 |
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| v8-context.h | File | 17.76 KB | 0644 |
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| v8-cppgc.h | File | 7.46 KB | 0644 |
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| v8-data.h | File | 1.58 KB | 0644 |
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| v8-date.h | File | 1.19 KB | 0644 |
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| v8-debug.h | File | 5.04 KB | 0644 |
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| v8-embedder-heap.h | File | 2.71 KB | 0644 |
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| v8-embedder-state-scope.h | File | 1.46 KB | 0644 |
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| v8-exception.h | File | 7.41 KB | 0644 |
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| v8-extension.h | File | 1.83 KB | 0644 |
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| v8-external.h | File | 924 B | 0644 |
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| v8-forward.h | File | 1.65 KB | 0644 |
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| v8-function-callback.h | File | 19.19 KB | 0644 |
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| v8-function.h | File | 4.42 KB | 0644 |
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| v8-handle-base.h | File | 4.3 KB | 0644 |
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| v8-initialization.h | File | 10.23 KB | 0644 |
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| v8-internal.h | File | 57.22 KB | 0644 |
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| v8-isolate.h | File | 63.38 KB | 0644 |
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| v8-json.h | File | 1.32 KB | 0644 |
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| v8-local-handle.h | File | 23.6 KB | 0644 |
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| v8-locker.h | File | 3.86 KB | 0644 |
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| v8-maybe.h | File | 4.47 KB | 0644 |
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| v8-memory-span.h | File | 6.27 KB | 0644 |
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| v8-message.h | File | 7.24 KB | 0644 |
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| v8-microtask-queue.h | File | 4.95 KB | 0644 |
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| v8-microtask.h | File | 861 B | 0644 |
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| v8-object.h | File | 29.55 KB | 0644 |
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| v8-persistent-handle.h | File | 17.81 KB | 0644 |
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| v8-platform.h | File | 47.9 KB | 0644 |
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| v8-primitive-object.h | File | 2.53 KB | 0644 |
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| v8-primitive.h | File | 27.69 KB | 0644 |
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| v8-profiler.h | File | 41.11 KB | 0644 |
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| v8-promise.h | File | 5.17 KB | 0644 |
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| v8-proxy.h | File | 1.23 KB | 0644 |
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| v8-regexp.h | File | 3.1 KB | 0644 |
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| v8-script.h | File | 30.59 KB | 0644 |
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| v8-snapshot.h | File | 10.15 KB | 0644 |
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| v8-source-location.h | File | 2.54 KB | 0644 |
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| v8-statistics.h | File | 7.45 KB | 0644 |
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| v8-template.h | File | 50.36 KB | 0644 |
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| v8-traced-handle.h | File | 12.4 KB | 0644 |
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| v8-typed-array.h | File | 11.3 KB | 0644 |
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| v8-unwinder.h | File | 4.64 KB | 0644 |
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| v8-value-serializer.h | File | 10.56 KB | 0644 |
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| v8-value.h | File | 16.71 KB | 0644 |
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| v8-version.h | File | 773 B | 0644 |
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| v8-wasm.h | File | 6 KB | 0644 |
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| v8-weak-callback-info.h | File | 2.41 KB | 0644 |
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| v8.h | File | 3.69 KB | 0644 |
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| v8config.h | File | 32.85 KB | 0644 |
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| zconf.h | File | 16.6 KB | 0644 |
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| zlib.h | File | 95.17 KB | 0644 |
|