encoder

package

v0.0.2 Latest Latest Go to latest Published: Apr 25, 2026 License: Apache-2.0 Imports: 9 Imported by: 0

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Repository

github.com/buke/typescript-go-internal

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Documentation ¶

Index ¶

Constants
func DecodeNodes(data []byte) (*ast.Node, error)
func DecodeSourceFile(data []byte) (*ast.SourceFile, error)
func EncodeNode(node *ast.Node, sourceFile *ast.SourceFile) ([]byte, error)
func EncodeSourceFile(sourceFile *ast.SourceFile) ([]byte, error)
func SourceFileHash(sourceFile *ast.SourceFile) string

Constants ¶

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const (
	NodeOffsetKind = iota * 4
	NodeOffsetPos
	NodeOffsetEnd
	NodeOffsetNext
	NodeOffsetParent
	NodeOffsetData
	NodeOffsetFlags
	// NodeSize is the number of bytes that represents a single node in the encoded format.
	NodeSize
)

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const (
	NodeDataTypeChildren uint32 = iota << 30
	NodeDataTypeString
	NodeDataTypeExtendedData
)

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const (
	NodeDataTypeMask        uint32 = 0xc0_00_00_00
	NodeDataChildMask       uint32 = 0x00_00_00_ff
	NodeDataStringIndexMask uint32 = 0x00_ff_ff_ff
)

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const (
	HeaderOffsetMetadata = iota * 4
	HeaderOffsetHashLo0
	HeaderOffsetHashLo1
	HeaderOffsetHashHi0
	HeaderOffsetHashHi1
	HeaderOffsetParseOptions
	HeaderOffsetStringOffsets
	HeaderOffsetStringData
	HeaderOffsetExtendedData
	HeaderOffsetStructuredData
	HeaderOffsetNodes
	HeaderSize
)

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const (
	ProtocolVersion uint8 = 5
)

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const (
	SyntaxKindNodeList uint32 = 1<<32 - 1
)

Variables ¶

This section is empty.

Functions ¶

func DecodeNodes ¶

func DecodeNodes(data []byte) (*ast.Node, error)

DecodeNodes decodes binary-encoded AST data into a tree of *ast.Node objects.

func DecodeSourceFile ¶

func DecodeSourceFile(data []byte) (*ast.SourceFile, error)

DecodeSourceFile decodes binary-encoded data into an *ast.SourceFile.

func EncodeNode ¶

func EncodeNode(node *ast.Node, sourceFile *ast.SourceFile) ([]byte, error)

EncodeNode encodes an arbitrary AST node and its descendants into the binary format. The sourceFile is needed to provide the source text for efficient string encoding. When encoding a non-SourceFile node, the header hash and parse options fields will be zero.

func EncodeSourceFile ¶

func EncodeSourceFile(sourceFile *ast.SourceFile) ([]byte, error)

EncodeSourceFile encodes an entire source file AST into the binary format.

func SourceFileHash ¶

func SourceFileHash(sourceFile *ast.SourceFile) string

SourceFileHash returns the 128-bit content hash for a source file as a hex string.

Types ¶

This section is empty.

Source Files ¶

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