vm

package
v3.0.0 Latest Latest
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 Go to latest Published: Oct 11, 2026 License: MIT Imports: 16 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Equal 

func Equal(a, b Value) bool

func FloatArg 

func FloatArg(name string, n int, args []Value) float64

func FormatTraceback 

func FormatTraceback(entries []TracebackEntry) string

func IntArg 

func IntArg(name string, n int, args []Value) int64

func IsTruthy 

func IsTruthy(v Value) bool

func NumArg 

func NumArg(name string, n int, args []Value) (int64, float64, bool, bool)

func OptInt 

func OptInt(name string, n int, args []Value, dflt int64) int64

func OptString 

func OptString(name string, n int, args []Value, dflt string) string

func PatternGSub 

func PatternGSub(
	s, pat string, repl Value, maxN int,
	callFn func(fn Value, args []Value) []Value,
) (string, int)

func PatternHasSpecials 

func PatternHasSpecials(pat string) bool

func PromoteToGlobal 

func PromoteToGlobal(v *VM, name string)

func RegisterPreload 

func RegisterPreload(v *VM, name string, loader func(*VM, []Value) []Value)

func StringArg 

func StringArg(name string, n int, args []Value) string

func ToFloat 

func ToFloat(v Value) (float64, bool)

func ToInteger 

func ToInteger(v Value) (int64, bool)

func ToNumber 

func ToNumber(v Value) (intVal int64, floatVal float64, isInt bool, ok bool)

func ToString 

func ToString(v Value) string

func ToStringMM 

func ToStringMM(v *VM, val Value) string

func TypeName 

func TypeName(v Value) string

Types

type CallFrame 

type CallFrame struct {
	Closure  *Closure
	IP       int
	Base     int
	Top      int
	NResults int
	Varargs  []Value
	Deferred []*Closure
	// contains filtered or unexported fields
}

type Closure 

type Closure struct {
	Proto    *bytecode.InstructionSet
	Upvalues []*Upvalue
}

func ClosureArg 

func ClosureArg(name string, n int, args []Value) *Closure

type Coroutine 

type Coroutine struct {
	// contains filtered or unexported fields
}

func CoroutineArg 

func CoroutineArg(name string, n int, args []Value) *Coroutine

type GMatchIter 

type GMatchIter struct {
	// contains filtered or unexported fields
}

func NewGMatchIter 

func NewGMatchIter(s, pat string, init int) *GMatchIter

func (*GMatchIter) Next 

func (g *GMatchIter) Next() []Value

type GoFunc 

type GoFunc struct {
	Name string
	Fn   func(vm *VM, args []Value) []Value
}

type LuaError 

type LuaError string

func Errorf 

func Errorf(format string, args ...any) LuaError

func (LuaError) Error 

func (e LuaError) Error() string

type RuntimeError 

type RuntimeError struct {
	Value Value
	Msg   string
	Stack []TracebackEntry
}

func (*RuntimeError) Error 

func (e *RuntimeError) Error() string

func (*RuntimeError) Message 

func (e *RuntimeError) Message() string

func (*RuntimeError) Traceback 

func (e *RuntimeError) Traceback() string

type Table 

type Table struct {
	// contains filtered or unexported fields
}

func NewTable 

func NewTable(arrHint, hashHint int) *Table

func NilOrTableArg 

func NilOrTableArg(name string, n int, args []Value) *Table

func TableArg 

func TableArg(name string, n int, args []Value) *Table

func TableOrStringArg 

func TableOrStringArg(name string, n int, args []Value) (s string, t *Table, isString bool)

func (*Table) Append 

func (t *Table) Append(v Value)

func (*Table) EntryCount 

func (t *Table) EntryCount() int64

func (*Table) Get 

func (t *Table) Get(key Value) Value

func (*Table) Len 

func (t *Table) Len() int64

func (*Table) Metatable 

func (t *Table) Metatable() *Table

func (*Table) Next 

func (t *Table) Next(key Value) (Value, Value)

func (*Table) Set 

func (t *Table) Set(key, value Value)

func (*Table) SetMetatable 

func (t *Table) SetMetatable(mt *Table)

type Thread 

type Thread struct {
	Stack     []Value
	Frames    []*CallFrame
	OpenUpvs  []*Upvalue
	CallMarks []int
}

type TracebackEntry 

type TracebackEntry struct {
	Source   string
	Line     int
	Function string
	IsMain   bool
	Elided   int
}

func (TracebackEntry) String 

func (e TracebackEntry) String() string

type Upvalue 

type Upvalue struct {
	Stack  *[]Value
	Index  int
	Closed Value
}

func (*Upvalue) Get 

func (u *Upvalue) Get() Value

func (*Upvalue) Set 

func (u *Upvalue) Set(v Value)

type VM 

type VM struct {
	Stack   []Value
	Globals *Table
	// contains filtered or unexported fields
}

func New 

func New() *VM

func (*VM) AddScriptDir 

func (v *VM) AddScriptDir(dir string)

func (*VM) CallFrames 

func (v *VM) CallFrames() []*CallFrame

func (*VM) CallValue 

func (v *VM) CallValue(fn Value, args []Value, nresults int) []Value

func (*VM) EqualMM 

func (v *VM) EqualMM(a, b Value) bool

func (*VM) Run 

func (v *VM) Run(main *bytecode.InstructionSet) (err error)

func (*VM) RunMainChunkWithResults 

func (v *VM) RunMainChunkWithResults(main *bytecode.InstructionSet) (results []Value, err error)

func (*VM) SafeCall 

func (v *VM) SafeCall(fn Value, args []Value) (rs []Value, errVal Value, failed bool)

func (*VM) SafeCallTrace 

func (v *VM) SafeCallTrace(fn Value, args []Value) (rs []Value, errVal Value, stack []TracebackEntry, failed bool)

func (*VM) SetGlobal 

func (v *VM) SetGlobal(name string, val Value)

func (*VM) Traceback 

func (v *VM) Traceback(skip int) []TracebackEntry

type Value 

type Value = any

func AnyArg 

func AnyArg(name string, n int, args []Value) Value

func PatternFind 

func PatternFind(s, pat string, init int) (int, int, []Value, bool)

func PatternMatch 

func PatternMatch(s, pat string, init int) []Value

Source Files

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