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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit/TypeData.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit/TypeData.h')
-rw-r--r-- | js/src/jit/TypeData.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/jit/TypeData.h b/js/src/jit/TypeData.h new file mode 100644 index 0000000000..4a05895e87 --- /dev/null +++ b/js/src/jit/TypeData.h @@ -0,0 +1,54 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef jit_TypeData_h +#define jit_TypeData_h + +#include "js/Value.h" + +namespace js { +namespace jit { + +class TypeData { + JSValueType type_; + + public: + TypeData() : type_(JSVAL_TYPE_UNKNOWN) {} + explicit TypeData(JSValueType type) : type_(type) {} + + JSValueType type() const { return type_; } + bool hasData() const { return type_ != JSVAL_TYPE_UNKNOWN; } +}; + +class TypeDataList { + const static size_t MaxLength = 6; + + uint8_t count_ = 0; + TypeData typeData_[MaxLength]; + + public: + TypeDataList() {} + + uint8_t count() const { return count_; } + + void addTypeData(TypeData data) { + MOZ_ASSERT(count_ < MaxLength); + MOZ_ASSERT(!typeData_[count_].hasData()); + typeData_[count_++] = data; + } + TypeData get(uint32_t idx) const { + MOZ_ASSERT(idx < count_); + return typeData_[idx]; + } + + const TypeData* begin() const { return &typeData_[0]; } + const TypeData* end() const { return begin() + count_; } +}; + +} // namespace jit +} // namespace js + +#endif /* jit_TypeData_h */ |