Index: src/elements-kind.h |
diff --git a/src/elements-kind.h b/src/elements-kind.h |
deleted file mode 100644 |
index 47a146d1c11e1375d8849ce687ebb7dc74315e79..0000000000000000000000000000000000000000 |
--- a/src/elements-kind.h |
+++ /dev/null |
@@ -1,209 +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. |
- |
-#ifndef V8_ELEMENTS_KIND_H_ |
-#define V8_ELEMENTS_KIND_H_ |
- |
-#include "v8checks.h" |
- |
-namespace v8 { |
-namespace internal { |
- |
-enum ElementsKind { |
- // The "fast" kind for elements that only contain SMI values. Must be first |
- // to make it possible to efficiently check maps for this kind. |
- FAST_SMI_ELEMENTS, |
- FAST_HOLEY_SMI_ELEMENTS, |
- |
- // The "fast" kind for tagged values. Must be second to make it possible to |
- // efficiently check maps for this and the FAST_SMI_ONLY_ELEMENTS kind |
- // together at once. |
- FAST_ELEMENTS, |
- FAST_HOLEY_ELEMENTS, |
- |
- // The "fast" kind for unwrapped, non-tagged double values. |
- FAST_DOUBLE_ELEMENTS, |
- FAST_HOLEY_DOUBLE_ELEMENTS, |
- |
- // The "slow" kind. |
- DICTIONARY_ELEMENTS, |
- NON_STRICT_ARGUMENTS_ELEMENTS, |
- // The "fast" kind for external arrays |
- EXTERNAL_BYTE_ELEMENTS, |
- EXTERNAL_UNSIGNED_BYTE_ELEMENTS, |
- EXTERNAL_SHORT_ELEMENTS, |
- EXTERNAL_UNSIGNED_SHORT_ELEMENTS, |
- EXTERNAL_INT_ELEMENTS, |
- EXTERNAL_UNSIGNED_INT_ELEMENTS, |
- EXTERNAL_FLOAT_ELEMENTS, |
- EXTERNAL_DOUBLE_ELEMENTS, |
- EXTERNAL_PIXEL_ELEMENTS, |
- |
- // Derived constants from ElementsKind |
- FIRST_ELEMENTS_KIND = FAST_SMI_ELEMENTS, |
- LAST_ELEMENTS_KIND = EXTERNAL_PIXEL_ELEMENTS, |
- FIRST_FAST_ELEMENTS_KIND = FAST_SMI_ELEMENTS, |
- LAST_FAST_ELEMENTS_KIND = FAST_HOLEY_DOUBLE_ELEMENTS, |
- FIRST_EXTERNAL_ARRAY_ELEMENTS_KIND = EXTERNAL_BYTE_ELEMENTS, |
- LAST_EXTERNAL_ARRAY_ELEMENTS_KIND = EXTERNAL_PIXEL_ELEMENTS, |
- TERMINAL_FAST_ELEMENTS_KIND = FAST_HOLEY_ELEMENTS |
-}; |
- |
-const int kElementsKindCount = LAST_ELEMENTS_KIND - FIRST_ELEMENTS_KIND + 1; |
-const int kFastElementsKindCount = LAST_FAST_ELEMENTS_KIND - |
- FIRST_FAST_ELEMENTS_KIND + 1; |
- |
-void PrintElementsKind(FILE* out, ElementsKind kind); |
- |
-ElementsKind GetInitialFastElementsKind(); |
- |
-ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); |
- |
-int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); |
- |
- |
-inline bool IsFastElementsKind(ElementsKind kind) { |
- ASSERT(FIRST_FAST_ELEMENTS_KIND == 0); |
- return kind <= FAST_HOLEY_DOUBLE_ELEMENTS; |
-} |
- |
- |
-inline bool IsFastDoubleElementsKind(ElementsKind kind) { |
- return kind == FAST_DOUBLE_ELEMENTS || |
- kind == FAST_HOLEY_DOUBLE_ELEMENTS; |
-} |
- |
- |
-inline bool IsFastSmiOrObjectElementsKind(ElementsKind kind) { |
- return kind == FAST_SMI_ELEMENTS || |
- kind == FAST_HOLEY_SMI_ELEMENTS || |
- kind == FAST_ELEMENTS || |
- kind == FAST_HOLEY_ELEMENTS; |
-} |
- |
- |
-inline bool IsFastSmiElementsKind(ElementsKind kind) { |
- return kind == FAST_SMI_ELEMENTS || |
- kind == FAST_HOLEY_SMI_ELEMENTS; |
-} |
- |
- |
-inline bool IsFastObjectElementsKind(ElementsKind kind) { |
- return kind == FAST_ELEMENTS || |
- kind == FAST_HOLEY_ELEMENTS; |
-} |
- |
- |
-inline bool IsFastHoleyElementsKind(ElementsKind kind) { |
- return kind == FAST_HOLEY_SMI_ELEMENTS || |
- kind == FAST_HOLEY_DOUBLE_ELEMENTS || |
- kind == FAST_HOLEY_ELEMENTS; |
-} |
- |
- |
-inline bool IsHoleyElementsKind(ElementsKind kind) { |
- return IsFastHoleyElementsKind(kind) || |
- kind == DICTIONARY_ELEMENTS; |
-} |
- |
- |
-inline bool IsFastPackedElementsKind(ElementsKind kind) { |
- return kind == FAST_SMI_ELEMENTS || |
- kind == FAST_DOUBLE_ELEMENTS || |
- kind == FAST_ELEMENTS; |
-} |
- |
- |
-inline ElementsKind GetPackedElementsKind(ElementsKind holey_kind) { |
- if (holey_kind == FAST_HOLEY_SMI_ELEMENTS) { |
- return FAST_SMI_ELEMENTS; |
- } |
- if (holey_kind == FAST_HOLEY_DOUBLE_ELEMENTS) { |
- return FAST_DOUBLE_ELEMENTS; |
- } |
- if (holey_kind == FAST_HOLEY_ELEMENTS) { |
- return FAST_ELEMENTS; |
- } |
- return holey_kind; |
-} |
- |
- |
-inline ElementsKind GetHoleyElementsKind(ElementsKind packed_kind) { |
- if (packed_kind == FAST_SMI_ELEMENTS) { |
- return FAST_HOLEY_SMI_ELEMENTS; |
- } |
- if (packed_kind == FAST_DOUBLE_ELEMENTS) { |
- return FAST_HOLEY_DOUBLE_ELEMENTS; |
- } |
- if (packed_kind == FAST_ELEMENTS) { |
- return FAST_HOLEY_ELEMENTS; |
- } |
- return packed_kind; |
-} |
- |
- |
-inline ElementsKind FastSmiToObjectElementsKind(ElementsKind from_kind) { |
- ASSERT(IsFastSmiElementsKind(from_kind)); |
- return (from_kind == FAST_SMI_ELEMENTS) |
- ? FAST_ELEMENTS |
- : FAST_HOLEY_ELEMENTS; |
-} |
- |
- |
-inline bool IsSimpleMapChangeTransition(ElementsKind from_kind, |
- ElementsKind to_kind) { |
- return (GetHoleyElementsKind(from_kind) == to_kind) || |
- (IsFastSmiElementsKind(from_kind) && |
- IsFastObjectElementsKind(to_kind)); |
-} |
- |
- |
-bool IsMoreGeneralElementsKindTransition(ElementsKind from_kind, |
- ElementsKind to_kind); |
- |
- |
-inline bool IsTransitionableFastElementsKind(ElementsKind from_kind) { |
- return IsFastElementsKind(from_kind) && |
- from_kind != TERMINAL_FAST_ELEMENTS_KIND; |
-} |
- |
- |
-ElementsKind GetNextMoreGeneralFastElementsKind(ElementsKind elements_kind, |
- bool allow_only_packed); |
- |
- |
-inline bool CanTransitionToMoreGeneralFastElementsKind( |
- ElementsKind elements_kind, |
- bool allow_only_packed) { |
- return elements_kind != TERMINAL_FAST_ELEMENTS_KIND && |
- (!allow_only_packed || elements_kind != FAST_ELEMENTS); |
-} |
- |
- |
-} } // namespace v8::internal |
- |
-#endif // V8_ELEMENTS_KIND_H_ |