bytecode

package
v3.0.0 Latest Latest
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 Go to latest Published: Oct 11, 2026 License: MIT Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Program     = "ProgramStart"
	FunctionDef = "Function"
)
View Source 
const (
	LoadNil uint8 = iota
	LoadTrue
	LoadFalse
	LoadInt
	LoadFloat
	LoadString
	LoadVararg
	Closure

	GetLocal
	SetLocal
	GetUpvalue
	SetUpvalue
	GetGlobal
	SetGlobal

	NewTable
	GetTable
	SetTable
	GetField
	SetField
	Self
	SetList

	Add
	Sub
	Mul
	Div
	FloorDiv
	Mod
	Pow
	Neg

	BitAnd
	BitOr
	BitXor
	Shl
	Shr
	BitNot

	Concat
	Len

	Eq
	NotEq
	Lt
	Le
	Gt
	Ge

	Not

	Jump
	JumpIfFalse
	JumpIfTrue
	JumpIfFalseKeep
	JumpIfTrueKeep

	Call
	Return

	ForPrep
	ForLoop

	TForCall
	TForLoop

	Pop
	Dup

	Leave

	MarkArgs

	Defer

	CloseUpvalues

	Try

	EndTry

	Throw

	MarkTBC

	CloseTBC

	JumpIfNil

	InstructionCount
)
View Source 
const DefaultChunkName = "script"
View Source 
const SerialVersion = 3

Variables

View Source 
var InstructionNameTable = []string{
	LoadNil:         "loadnil",
	LoadTrue:        "loadtrue",
	LoadFalse:       "loadfalse",
	LoadInt:         "loadint",
	LoadFloat:       "loadfloat",
	LoadString:      "loadstring",
	LoadVararg:      "loadvararg",
	Closure:         "closure",
	GetLocal:        "getlocal",
	SetLocal:        "setlocal",
	GetUpvalue:      "getupvalue",
	SetUpvalue:      "setupvalue",
	GetGlobal:       "getglobal",
	SetGlobal:       "setglobal",
	NewTable:        "newtable",
	GetTable:        "gettable",
	SetTable:        "settable",
	GetField:        "getfield",
	SetField:        "setfield",
	Self:            "self",
	SetList:         "setlist",
	Add:             "add",
	Sub:             "sub",
	Mul:             "mul",
	Div:             "div",
	FloorDiv:        "floordiv",
	Mod:             "mod",
	Pow:             "pow",
	Neg:             "neg",
	BitAnd:          "band",
	BitOr:           "bor",
	BitXor:          "bxor",
	Shl:             "shl",
	Shr:             "shr",
	BitNot:          "bnot",
	Concat:          "concat",
	Len:             "len",
	Eq:              "eq",
	NotEq:           "neq",
	Lt:              "lt",
	Le:              "le",
	Gt:              "gt",
	Ge:              "ge",
	Not:             "not",
	Jump:            "jump",
	JumpIfFalse:     "jumpiffalse",
	JumpIfTrue:      "jumpiftrue",
	JumpIfFalseKeep: "jumpiffalsekeep",
	JumpIfTrueKeep:  "jumpiftruekeep",
	Call:            "call",
	Return:          "return",
	ForPrep:         "forprep",
	ForLoop:         "forloop",
	TForCall:        "tforcall",
	TForLoop:        "tforloop",
	Pop:             "pop",
	Dup:             "dup",
	Leave:           "leave",
	MarkArgs:        "markargs",
	CloseUpvalues:   "closeupvalues",
	Defer:           "defer",
	Try:             "try",
	EndTry:          "endtry",
	Throw:           "throw",
	MarkTBC:         "marktbc",
	CloseTBC:        "closetbc",
	JumpIfNil:       "jumpifnil",
}

Functions

func Disassemble 

func Disassemble(sets []*InstructionSet) string

func SerializeChunk 

func SerializeChunk(w io.Writer, main *InstructionSet) error

Types

type Generator 

type Generator struct {
	REPL bool
	// contains filtered or unexported fields
}

func NewGenerator 

func NewGenerator() *Generator

func (*Generator) Err 

func (g *Generator) Err() error

func (*Generator) GenerateInstructions 

func (g *Generator) GenerateInstructions(stmts []ast.Statement) []*InstructionSet

func (*Generator) InitTopLevelScope 

func (g *Generator) InitTopLevelScope(_ *ast.Program)

func (*Generator) ResetInstructionSets 

func (g *Generator) ResetInstructionSets()

type Instruction 

type Instruction struct {
	Opcode   uint8
	A        int32
	B        int32
	BoxedAny any
	StrA     string

	Params []any
	// contains filtered or unexported fields
}

func (*Instruction) ActionName 

func (i *Instruction) ActionName() string

func (*Instruction) AnchorLine 

func (i *Instruction) AnchorLine() int

func (*Instruction) CacheGen 

func (i *Instruction) CacheGen() uint32

func (*Instruction) CacheVal 

func (i *Instruction) CacheVal() Value

func (*Instruction) Inspect 

func (i *Instruction) Inspect() string

func (*Instruction) Line 

func (i *Instruction) Line() int

func (*Instruction) SetCache 

func (i *Instruction) SetCache(gen uint32, val Value)

func (*Instruction) SourceLine 

func (i *Instruction) SourceLine() int

type InstructionSet 

type InstructionSet struct {
	Instructions []*Instruction

	NumParams int
	IsVararg  bool
	NumLocals int
	Upvalues  []UpvalueDesc
	Constants []any
	Protos    []*InstructionSet
	// contains filtered or unexported fields
}

func DeserializeChunk 

func DeserializeChunk(r io.Reader) (*InstructionSet, error)

func (*InstructionSet) HasTry 

func (is *InstructionSet) HasTry() bool

func (*InstructionSet) LocalsResolved 

func (is *InstructionSet) LocalsResolved() bool

func (*InstructionSet) MarkLocalsResolved 

func (is *InstructionSet) MarkLocalsResolved()

func (*InstructionSet) Name 

func (is *InstructionSet) Name() string

func (*InstructionSet) SetHasTry 

func (is *InstructionSet) SetHasTry(b bool)

func (*InstructionSet) SetSource 

func (is *InstructionSet) SetSource(name string)

func (*InstructionSet) Source 

func (is *InstructionSet) Source() string

func (*InstructionSet) Type 

func (is *InstructionSet) Type() string

type UpvalueDesc 

type UpvalueDesc struct {
	Name    string
	InStack bool
	Index   int
}

type Value 

type Value = any

Source Files

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