vm

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Versions in this module

v0

v0.4.24

Mar 21, 2026

v0.4.23

Mar 21, 2026

Changes in this version

+ const CacheSize

+ func ComputeCacheIndex(typeTag objects.TypeTag, class *objects.Class, nameHash uint32) int

+ func GetBuiltinByIndex(index int) *objects.Builtin

+ type CacheResultType uint8

+ const CacheResultField

+ const CacheResultMapMethod

+ const CacheResultMethod

+ const CacheResultNone

+ const CacheResultNull

+ const CacheResultPrimitiveMethod

+ type InlineCache struct

+ Class *objects.Class

+ DefiningClass *objects.Class

+ FieldIdx int

+ Method objects.Object

+ NameHash uint32

+ ResultType CacheResultType

+ TypeTag objects.TypeTag

+ type InlineCacheTable struct

+ func (c *InlineCacheTable) Get(typeTag objects.TypeTag, class *objects.Class, nameHash uint32) *InlineCache

+ func (c *InlineCacheTable) Reset()

+ func (c *InlineCacheTable) Set(typeTag objects.TypeTag, class *objects.Class, nameHash uint32, ...)

+ func (c *InlineCacheTable) Stats() (hits, misses int)

type RegFrame

+ CurrentClass *objects.Class

type RegVM

+ func (vm *RegVM) GetConstants() []Value

+ func (vm *RegVM) GetGlobals() []Value

+ func (vm *RegVM) SetLastResult(val Value)

+ func (vm *RegVM) SetNativeCallHook(...)

type Value

+ func (v Value) GetClosure() *Closure

+ func (v Value) GetCompiledFunction() *compiler.CompiledFunction

+ func (v Value) IsClosure() bool

+ func (v Value) IsCompiledFunction() bool

v0.4.22

Mar 18, 2026

Changes in this version

+ func ClearRegistry()

+ func RegistryStats() (total, used int)

type Closure

+ FreeVarsValues []Value

v0.4.21

Mar 18, 2026

Changes in this version

+ const ValueStackSize

+ var ValueFalse = Value(tagBoolValue)

+ var ValueNull = Value(tagNullValue)

+ var ValueTrue = Value(tagBoolValue | 1)

+ func DecodeBuiltin(code []byte, ip int) (builtinIdx byte, numArgs byte)

+ func DecodeCall(code []byte, ip int) (funcReg byte, numArgs byte)

+ func DecodeClosure(code []byte, ip int) (dstReg byte, funcIdx int, numFree byte)

+ func DecodeConst(code []byte, ip int) (reg byte, constIdx int)

+ func DecodeField(code []byte, ip int) (reg byte, objReg byte, nameIdx int)

+ func DecodeJump(code []byte, ip int) (offset int)

+ func DecodeJumpCond(code []byte, ip int) (condReg byte, offset int)

+ func DecodeMethodCall(code []byte, ip int) (objReg byte, nameIdx int, numArgs byte)

+ func DecodeReg1(code []byte, ip int) (reg byte)

+ func DecodeReg2(code []byte, ip int) (dst, src byte)

+ func DecodeReg3(code []byte, ip int) (dst, src1, src2 byte)

+ func InstructionLen(op compiler.Opcode) int

+ func IsRegisterOpcode(op compiler.Opcode) bool

+ func RunCodeInRegVM(code string, args *objects.Map, regVM *RegVM) (objects.Object, error)

type Frame

+ func FrameFromValueFrame(vf *ValueFrame) *Frame

+ type InstructionInfo struct

+ ConstIdx int

+ Dst byte

+ NumArgs byte

+ Offset int

+ Opcode compiler.Opcode

+ Src1 byte

+ Src2 byte

+ func DecodeInstruction(code []byte, ip int) (InstructionInfo, int)

+ type RegFrame struct

+ Constants []Value

+ Fn *compiler.CompiledFunction

+ FreeVars []Value

+ Globals []Value

+ IP int

+ Locals []Value

+ Registers [compiler.NumRegisters]Value

+ This Value

+ func NewRegFrame(fn *compiler.CompiledFunction) *RegFrame

+ func (f *RegFrame) ClearArgRegisters()

+ func (f *RegFrame) CopyArgRegisters(src *RegFrame, numArgs int)

+ func (f *RegFrame) GetConstant(idx int) Value

+ func (f *RegFrame) GetFree(idx int) Value

+ func (f *RegFrame) GetGlobal(idx int) Value

+ func (f *RegFrame) GetLocal(idx int) Value

+ func (f *RegFrame) GetReg(reg int) Value

+ func (f *RegFrame) Instructions() []byte

+ func (f *RegFrame) Release()

+ func (f *RegFrame) SetFree(idx int, val Value)

+ func (f *RegFrame) SetGlobal(idx int, val Value)

+ func (f *RegFrame) SetLocal(idx int, val Value)

+ func (f *RegFrame) SetReg(reg int, val Value)

+ type RegVM struct

+ func NewRegVM(bytecode *compiler.Bytecode) *RegVM

+ func NewRegVMWithGlobals(bytecode *compiler.Bytecode, globals []Value) *RegVM

+ func NewRegVMWithObjectGlobals(bytecode *compiler.Bytecode, globals []objects.Object) *RegVM

+ func (vm *RegVM) GetCallStack() string

+ func (vm *RegVM) Globals() []Value

+ func (vm *RegVM) GlobalsAsObjects() []objects.Object

+ func (vm *RegVM) LastPopped() Value

+ func (vm *RegVM) LastPoppedObject() objects.Object

+ func (vm *RegVM) LastResult() Value

+ func (vm *RegVM) Run() error

+ func (vm *RegVM) SetCurrentModule(mod *objects.Module)

+ func (vm *RegVM) SetLoader(loader *module.Loader)

+ func (vm *RegVM) SetSourcePath(path string)

+ func (vm *RegVM) StackTop() Value

type VM

+ func (vm *VM) ExecuteValueOp(op compiler.Opcode) (bool, error)

+ type Value uint64

+ func NewBool(b bool) Value

+ func NewFloat(f float64) Value

+ func NewInt(n int64) Value

+ func NewObject(obj objects.Object) Value

+ func NewValue(obj objects.Object) Value

+ func ValueBool(b bool) Value

+ func (v Value) Add(other Value) (Value, bool)

+ func (v Value) Div(other Value) (Value, bool)

+ func (v Value) Equal(other Value) (bool, bool)

+ func (v Value) EqualValue(other Value) Value

+ func (v Value) GetBool() bool

+ func (v Value) GetFloat() float64

+ func (v Value) GetInt() int64

+ func (v Value) GetObject() objects.Object

+ func (v Value) Greater(other Value) (bool, bool)

+ func (v Value) GreaterEqual(other Value) Value

+ func (v Value) GreaterValue(other Value) Value

+ func (v Value) IsBool() bool

+ func (v Value) IsFloat() bool

+ func (v Value) IsInt() bool

+ func (v Value) IsNull() bool

+ func (v Value) IsNumber() bool

+ func (v Value) IsObject() bool

+ func (v Value) IsTruthy() bool

+ func (v Value) Less(other Value) (bool, bool)

+ func (v Value) LessEqual(other Value) Value

+ func (v Value) LessValue(other Value) Value

+ func (v Value) Mod(other Value) (Value, bool)

+ func (v Value) Mul(other Value) (Value, bool)

+ func (v Value) Neg() (Value, bool)

+ func (v Value) NotEqual(other Value) (bool, bool)

+ func (v Value) NotEqualValue(other Value) Value

+ func (v Value) String() string

+ func (v Value) Sub(other Value) (Value, bool)

+ func (v Value) ToFloat() (float64, bool)

+ func (v Value) ToInt() (int64, bool)

+ func (v Value) ToObject() objects.Object

+ type ValueFrame struct

+ BasePointer int

+ Constants []Value

+ Fn *compiler.CompiledFunction

+ FreeVars []Value

+ Globals []objects.Object

+ IP int

+ Locals []Value

+ This objects.Object

+ func NewValueFrame(fn *compiler.CompiledFunction, basePointer int) *ValueFrame

+ func ValueFrameFromFrame(of *Frame) *ValueFrame

+ func (f *ValueFrame) GetFreeVar(idx int) Value

+ func (f *ValueFrame) GetLocal(idx int) Value

+ func (f *ValueFrame) Instructions() []byte

+ func (f *ValueFrame) Release()

+ func (f *ValueFrame) SetFreeVar(idx int, v Value)

+ func (f *ValueFrame) SetLocal(idx int, v Value)

+ type ValueStack struct

+ func NewValueStack() *ValueStack

+ func (s *ValueStack) Drop(n int)

+ func (s *ValueStack) Dup() error

+ func (s *ValueStack) Get(i int) Value

+ func (s *ValueStack) LastPopped() Value

+ func (s *ValueStack) Len() int

+ func (s *ValueStack) MustPush(v Value)

+ func (s *ValueStack) Peek(n int) Value

+ func (s *ValueStack) Pop() Value

+ func (s *ValueStack) PopNoClear() Value

+ func (s *ValueStack) Push(v Value) error

+ func (s *ValueStack) Reset()

+ func (s *ValueStack) Rot3()

+ func (s *ValueStack) Set(i int, v Value)

+ func (s *ValueStack) SetTop(v Value)

+ func (s *ValueStack) Swap()

+ func (s *ValueStack) Top() Value

+ type ValueVM struct

+ func NewValueVM(bytecode *compiler.Bytecode) *ValueVM

+ func (vm *ValueVM) Result() Value

+ func (vm *ValueVM) ResultObject() objects.Object

+ func (vm *ValueVM) Run() error

v0.4.20

Mar 17, 2026

v0.4.19

Mar 17, 2026

Changes in this version

+ func ExecuteRunCode(code string, args *objects.Map) (objects.Object, error)

+ func RunCodeInVM(code string, args *objects.Map, vm *VM) (objects.Object, error)

+ func SetRunCodeCallback(fn RunCodeFunc)

+ type ExceptionHandler struct

+ type RunCodeFunc func(code string, args *objects.Map) (objects.Object, error)

+ func GetRunCodeCallback() RunCodeFunc

v0.3.2

Mar 14, 2026

v0.3.1

Mar 14, 2026

Changes in this version

+ const GlobalsSize

+ const InlineCacheSize

+ const MaxFrames

+ const StackSize

+ type Closure struct

+ Constants []objects.Object

+ Fn *compiler.CompiledFunction

+ FreeVars []objects.Object

+ Globals []objects.Object

+ func (c *Closure) HashKey() objects.HashKey

+ func (c *Closure) Inspect() string

+ func (c *Closure) ToBool() *objects.Bool

+ func (c *Closure) Type() objects.ObjectType

+ func (c *Closure) TypeTag() objects.TypeTag

+ type Frame struct

+ BasePointer int

+ Constants []objects.Object

+ Fn *compiler.CompiledFunction

+ FreeVars []objects.Object

+ Globals []objects.Object

+ IP int

+ Locals []objects.Object

+ This objects.Object

+ func NewFrame(fn *compiler.CompiledFunction, basePointer int) *Frame

+ func (f *Frame) Instructions() []byte

+ func (f *Frame) Release()

+ type InlineCacheEntry struct

+ Class *objects.Class

+ Method objects.Object

+ type Stack struct

+ func NewStack() *Stack

+ func (s *Stack) LastPopped() objects.Object

+ func (s *Stack) Len() int

+ func (s *Stack) Peek(n int) objects.Object

+ func (s *Stack) Pop() objects.Object

+ func (s *Stack) PopSkipGC() objects.Object

+ func (s *Stack) Push(obj objects.Object) error

+ func (s *Stack) SetTop(obj objects.Object)

+ func (s *Stack) Top() objects.Object

+ type VM struct

+ func New(bytecode *compiler.Bytecode) *VM

+ func NewWithGlobalsStore(bytecode *compiler.Bytecode, globals []objects.Object) *VM

+ func (vm *VM) GetCallStack() string

+ func (vm *VM) Globals() []objects.Object

+ func (vm *VM) LastPopped() objects.Object

+ func (vm *VM) Run() error

+ func (vm *VM) SetCurrentModule(mod *objects.Module)

+ func (vm *VM) SetLoader(loader *module.Loader)

+ func (vm *VM) SetSourcePath(path string)

+ func (vm *VM) StackTop() objects.Object

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