bytecode

Documentation

Index

• Constants
• type ClassHeader
  • func (header *ClassHeader) WriteHeader()
• type ClassMethodHeader
• type InstructionSet

Constants

const ByteCodeVersion uint16 = 0x0001

Constant for current Weblang bytecode version

Types

type ClassHeader

type ClassHeader struct {
	FileFormatText      [8]byte // First 8 bytes of file. It's contains "WEBLANG\x0f"
	ByteCodeVersion     uint16  // Version of bytecode file
	InstructionSetCount uint64  // Count of InstructionSet struct
	ClassMethodsCount   uint64  // Count of ClassMethodHeader struct
}

Header struct for Weblang bytecode class file

func (*ClassHeader) WriteHeader

func (header *ClassHeader) WriteHeader()

Write header data to struct. Use to prepare for write header struct to file

type ClassMethodHeader

type ClassMethodHeader struct {
	ClassName                [80]byte // Class name
	InstructionSetStartIndex uint64   // Index of first InstructionSet block
	InstructionSetEndIndex   uint64   // Index of last InstructionSet block
}

Header struct for classMethod declaration in Weblang bytecode file

type InstructionSet

type InstructionSet struct {
	Index    uint64    // Index number
	Type     uint16    // InstructionSet type
	ByteCode [255]byte //  Array of 255 bytes
}

255 bytes Instruction block for Weblang VM