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-rw-r--r--src/3rdparty/v8/src/elements-kind.cc139
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diff --git a/src/3rdparty/v8/src/elements-kind.cc b/src/3rdparty/v8/src/elements-kind.cc
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--- a/src/3rdparty/v8/src/elements-kind.cc
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@@ -1,139 +0,0 @@
-// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * 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
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "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
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "elements-kind.h"
-
-#include "api.h"
-#include "elements.h"
-#include "objects.h"
-
-namespace v8 {
-namespace internal {
-
-
-const char* ElementsKindToString(ElementsKind kind) {
- ElementsAccessor* accessor = ElementsAccessor::ForKind(kind);
- return accessor->name();
-}
-
-
-void PrintElementsKind(FILE* out, ElementsKind kind) {
- FPrintF(out, "%s", ElementsKindToString(kind));
-}
-
-
-ElementsKind GetInitialFastElementsKind() {
- if (FLAG_packed_arrays) {
- return FAST_SMI_ELEMENTS;
- } else {
- return FAST_HOLEY_SMI_ELEMENTS;
- }
-}
-
-
-struct InitializeFastElementsKindSequence {
- static void Construct(
- ElementsKind** fast_elements_kind_sequence_ptr) {
- ElementsKind* fast_elements_kind_sequence =
- new ElementsKind[kFastElementsKindCount];
- *fast_elements_kind_sequence_ptr = fast_elements_kind_sequence;
- STATIC_ASSERT(FAST_SMI_ELEMENTS == FIRST_FAST_ELEMENTS_KIND);
- fast_elements_kind_sequence[0] = FAST_SMI_ELEMENTS;
- fast_elements_kind_sequence[1] = FAST_HOLEY_SMI_ELEMENTS;
- fast_elements_kind_sequence[2] = FAST_DOUBLE_ELEMENTS;
- fast_elements_kind_sequence[3] = FAST_HOLEY_DOUBLE_ELEMENTS;
- fast_elements_kind_sequence[4] = FAST_ELEMENTS;
- fast_elements_kind_sequence[5] = FAST_HOLEY_ELEMENTS;
- }
-};
-
-
-static LazyInstance<ElementsKind*,
- InitializeFastElementsKindSequence>::type
- fast_elements_kind_sequence = LAZY_INSTANCE_INITIALIZER;
-
-
-ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number) {
- ASSERT(sequence_number >= 0 &&
- sequence_number < kFastElementsKindCount);
- return fast_elements_kind_sequence.Get()[sequence_number];
-}
-
-int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind) {
- for (int i = 0; i < kFastElementsKindCount; ++i) {
- if (fast_elements_kind_sequence.Get()[i] == elements_kind) {
- return i;
- }
- }
- UNREACHABLE();
- return 0;
-}
-
-
-ElementsKind GetNextMoreGeneralFastElementsKind(ElementsKind elements_kind,
- bool allow_only_packed) {
- ASSERT(IsFastElementsKind(elements_kind));
- ASSERT(elements_kind != TERMINAL_FAST_ELEMENTS_KIND);
- while (true) {
- int index =
- GetSequenceIndexFromFastElementsKind(elements_kind) + 1;
- elements_kind = GetFastElementsKindFromSequenceIndex(index);
- if (!IsFastHoleyElementsKind(elements_kind) || !allow_only_packed) {
- return elements_kind;
- }
- }
- UNREACHABLE();
- return TERMINAL_FAST_ELEMENTS_KIND;
-}
-
-
-bool IsMoreGeneralElementsKindTransition(ElementsKind from_kind,
- ElementsKind to_kind) {
- switch (from_kind) {
- case FAST_SMI_ELEMENTS:
- return to_kind != FAST_SMI_ELEMENTS;
- case FAST_HOLEY_SMI_ELEMENTS:
- return to_kind != FAST_SMI_ELEMENTS &&
- to_kind != FAST_HOLEY_SMI_ELEMENTS;
- case FAST_DOUBLE_ELEMENTS:
- return to_kind != FAST_SMI_ELEMENTS &&
- to_kind != FAST_HOLEY_SMI_ELEMENTS &&
- to_kind != FAST_DOUBLE_ELEMENTS;
- case FAST_HOLEY_DOUBLE_ELEMENTS:
- return to_kind == FAST_ELEMENTS ||
- to_kind == FAST_HOLEY_ELEMENTS;
- case FAST_ELEMENTS:
- return to_kind == FAST_HOLEY_ELEMENTS;
- case FAST_HOLEY_ELEMENTS:
- return false;
- default:
- return false;
- }
-}
-
-
-} } // namespace v8::internal