chromium/v8/src/regexp/experimental/experimental-compiler.cc

// Copyright 2020 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.

#include "src/regexp/experimental/experimental-compiler.h"

#include "src/base/strings.h"
#include "src/flags/flags.h"
#include "src/regexp/experimental/experimental.h"
#include "src/regexp/regexp-flags.h"
#include "src/zone/zone-containers.h"
#include "src/zone/zone-list-inl.h"

namespace v8 {
namespace internal {

namespace {

// TODO(mbid, v8:10765): Currently the experimental engine doesn't support
// UTF-16, but this shouldn't be too hard to implement.
constexpr base::uc32 kMaxSupportedCodepoint = …;
#ifdef DEBUG
constexpr base::uc32 kMaxCodePoint = …;
#endif  // DEBUG

class CanBeHandledVisitor final : private RegExpVisitor { … };

}  // namespace

bool ExperimentalRegExpCompiler::CanBeHandled(RegExpTree* tree,
                                              RegExpFlags flags,
                                              int capture_count) { … }

namespace {

// A label in bytecode which starts with no known address. The address *must*
// be bound with `Bind` before the label goes out of scope.
// Implemented as a linked list through the `payload.pc` of FORK and JMP
// instructions.
struct Label { … };

class BytecodeAssembler { … };

class FilterGroupsCompileVisitor final : private RegExpVisitor { … };

class CompileVisitor : private RegExpVisitor { … };

}  // namespace

ZoneList<RegExpInstruction> ExperimentalRegExpCompiler::Compile(
    RegExpTree* tree, RegExpFlags flags, Zone* zone) { … }

}  // namespace internal
}  // namespace v8