update

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/open-policy-agent/opa/internal/wasm/constant/constant.go

@@ -0,0 +1,67 @@
+// Copyright 2018 The OPA Authors.  All rights reserved.
+// Use of this source code is governed by an Apache2
+// license that can be found in the LICENSE file.
+
+// Package constant contains WASM constant definitions.
+package constant
+
+// Magic bytes at the beginning of every WASM file ("\0asm").
+const Magic = uint32(0x6D736100)
+
+// Version defines the WASM version.
+const Version = uint32(1)
+
+// WASM module section IDs.
+const (
+	CustomSectionID uint8 = iota
+	TypeSectionID
+	ImportSectionID
+	FunctionSectionID
+	TableSectionID
+	MemorySectionID
+	GlobalSectionID
+	ExportSectionID
+	StartSectionID
+	ElementSectionID
+	CodeSectionID
+	DataSectionID
+)
+
+// FunctionTypeID indicates the start of a function type definition.
+const FunctionTypeID = byte(0x60)
+
+// ValueType represents an intrinsic value type in WASM.
+const (
+	ValueTypeF64 byte = iota + 0x7C
+	ValueTypeF32
+	ValueTypeI64
+	ValueTypeI32
+)
+
+// WASM import descriptor types.
+const (
+	ImportDescType byte = iota
+	ImportDescTable
+	ImportDescMem
+	ImportDescGlobal
+)
+
+// WASM export descriptor types.
+const (
+	ExportDescType byte = iota
+	ExportDescTable
+	ExportDescMem
+	ExportDescGlobal
+)
+
+// ElementTypeAnyFunc indicates the type of a table import.
+const ElementTypeAnyFunc byte = 0x70
+
+// BlockTypeEmpty represents a block type.
+const BlockTypeEmpty byte = 0x40
+
+// WASM global varialbe mutability flag.
+const (
+	Const byte = iota
+	Mutable
+)