Add m-esr52 at 52.6.0

1 files changed, 121 insertions, 0 deletions

diff --git a/js/src/builtin/TypedObjectConstants.h b/js/src/builtin/TypedObjectConstants.h
new file mode 100644
index 000000000..41f30ab3e
--- /dev/null
+++ b/js/src/builtin/TypedObjectConstants.h
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * 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/. */
+
+// Specialized .h file to be used by both JS and C++ code.
+
+#ifndef builtin_TypedObjectConstants_h
+#define builtin_TypedObjectConstants_h
+
+///////////////////////////////////////////////////////////////////////////
+// Values to be returned by SetFromTypedArrayApproach
+
+#define JS_SETTYPEDARRAY_SAME_TYPE 0
+#define JS_SETTYPEDARRAY_OVERLAPPING 1
+#define JS_SETTYPEDARRAY_DISJOINT 2
+
+///////////////////////////////////////////////////////////////////////////
+// Slots for objects using the typed array layout
+
+#define JS_TYPEDARRAYLAYOUT_BUFFER_SLOT 0
+#define JS_TYPEDARRAYLAYOUT_LENGTH_SLOT 1
+#define JS_TYPEDARRAYLAYOUT_BYTEOFFSET_SLOT 2
+
+///////////////////////////////////////////////////////////////////////////
+// Slots and flags for ArrayBuffer objects
+
+#define JS_ARRAYBUFFER_FLAGS_SLOT            3
+
+#define JS_ARRAYBUFFER_DETACHED_FLAG 0x4
+
+///////////////////////////////////////////////////////////////////////////
+// Slots for typed prototypes
+
+#define JS_TYPROTO_SLOTS                 0
+
+///////////////////////////////////////////////////////////////////////////
+// Slots for type objects
+//
+// Some slots apply to all type objects and some are specific to
+// particular kinds of type objects. For simplicity we use the same
+// number of slots no matter what kind of type descriptor we are
+// working with, even though this is mildly wasteful.
+
+// Slots on all type objects
+#define JS_DESCR_SLOT_KIND               0  // Atomized string representation
+#define JS_DESCR_SLOT_STRING_REPR        1  // Atomized string representation
+#define JS_DESCR_SLOT_ALIGNMENT          2  // Alignment in bytes
+#define JS_DESCR_SLOT_SIZE               3  // Size in bytes, else 0
+#define JS_DESCR_SLOT_OPAQUE             4  // Atomized string representation
+#define JS_DESCR_SLOT_TYPROTO            5  // Prototype for instances, if any
+#define JS_DESCR_SLOT_ARRAYPROTO         6  // Lazily created prototype for arrays
+#define JS_DESCR_SLOT_TRACE_LIST         7  // List of references for use in tracing
+
+// Slots on scalars, references, and SIMD objects
+#define JS_DESCR_SLOT_TYPE               8  // Type code
+
+// Slots on array descriptors
+#define JS_DESCR_SLOT_ARRAY_ELEM_TYPE    8
+#define JS_DESCR_SLOT_ARRAY_LENGTH       9
+
+// Slots on struct type objects
+#define JS_DESCR_SLOT_STRUCT_FIELD_NAMES 8
+#define JS_DESCR_SLOT_STRUCT_FIELD_TYPES 9
+#define JS_DESCR_SLOT_STRUCT_FIELD_OFFSETS 10
+
+// Maximum number of slots for any descriptor
+#define JS_DESCR_SLOTS                   11
+
+// These constants are for use exclusively in JS code. In C++ code,
+// prefer TypeRepresentation::Scalar etc, which allows you to
+// write a switch which will receive a warning if you omit a case.
+#define JS_TYPEREPR_SCALAR_KIND         1
+#define JS_TYPEREPR_REFERENCE_KIND      2
+#define JS_TYPEREPR_STRUCT_KIND         3
+#define JS_TYPEREPR_ARRAY_KIND          4
+#define JS_TYPEREPR_SIMD_KIND           5
+
+// These constants are for use exclusively in JS code. In C++ code,
+// prefer Scalar::Int8 etc, which allows you to write a switch which will
+// receive a warning if you omit a case.
+#define JS_SCALARTYPEREPR_INT8          0
+#define JS_SCALARTYPEREPR_UINT8         1
+#define JS_SCALARTYPEREPR_INT16         2
+#define JS_SCALARTYPEREPR_UINT16        3
+#define JS_SCALARTYPEREPR_INT32         4
+#define JS_SCALARTYPEREPR_UINT32        5
+#define JS_SCALARTYPEREPR_FLOAT32       6
+#define JS_SCALARTYPEREPR_FLOAT64       7
+#define JS_SCALARTYPEREPR_UINT8_CLAMPED 8
+#define JS_SCALARTYPEREPR_FLOAT32X4     11
+#define JS_SCALARTYPEREPR_INT8X16       12
+#define JS_SCALARTYPEREPR_INT16X8       13
+#define JS_SCALARTYPEREPR_INT32X4       14
+
+// These constants are for use exclusively in JS code. In C++ code,
+// prefer ReferenceTypeRepresentation::TYPE_ANY etc, which allows
+// you to write a switch which will receive a warning if you omit a
+// case.
+#define JS_REFERENCETYPEREPR_ANY        0
+#define JS_REFERENCETYPEREPR_OBJECT     1
+#define JS_REFERENCETYPEREPR_STRING     2
+
+// These constants are for use exclusively in JS code. In C++ code, prefer
+// SimdType::Int32x4 etc, since that allows you to write a switch which will
+// receive a warning if you omit a case.
+#define JS_SIMDTYPEREPR_INT8X16         0
+#define JS_SIMDTYPEREPR_INT16X8         1
+#define JS_SIMDTYPEREPR_INT32X4         2
+#define JS_SIMDTYPEREPR_UINT8X16        3
+#define JS_SIMDTYPEREPR_UINT16X8        4
+#define JS_SIMDTYPEREPR_UINT32X4        5
+#define JS_SIMDTYPEREPR_FLOAT32X4       6
+#define JS_SIMDTYPEREPR_FLOAT64X2       7
+#define JS_SIMDTYPEREPR_BOOL8X16        8
+#define JS_SIMDTYPEREPR_BOOL16X8        9
+#define JS_SIMDTYPEREPR_BOOL32X4       10
+#define JS_SIMDTYPEREPR_BOOL64X2       11
+
+#endif