diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/robertkrimen/otto/clone.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/robertkrimen/otto/clone.go | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/robertkrimen/otto/clone.go b/Godeps/_workspace/src/github.com/robertkrimen/otto/clone.go new file mode 100644 index 000000000..f79901b35 --- /dev/null +++ b/Godeps/_workspace/src/github.com/robertkrimen/otto/clone.go @@ -0,0 +1,155 @@ +package otto + +import ( + "fmt" +) + +type _clone struct { + runtime *_runtime + _object map[*_object]*_object + _objectStash map[*_objectStash]*_objectStash + _dclStash map[*_dclStash]*_dclStash + _fnStash map[*_fnStash]*_fnStash +} + +func (in *_runtime) clone() *_runtime { + + in.lck.Lock() + defer in.lck.Unlock() + + out := &_runtime{} + clone := _clone{ + runtime: out, + _object: make(map[*_object]*_object), + _objectStash: make(map[*_objectStash]*_objectStash), + _dclStash: make(map[*_dclStash]*_dclStash), + _fnStash: make(map[*_fnStash]*_fnStash), + } + + globalObject := clone.object(in.globalObject) + out.globalStash = out.newObjectStash(globalObject, nil) + out.globalObject = globalObject + out.global = _global{ + clone.object(in.global.Object), + clone.object(in.global.Function), + clone.object(in.global.Array), + clone.object(in.global.String), + clone.object(in.global.Boolean), + clone.object(in.global.Number), + clone.object(in.global.Math), + clone.object(in.global.Date), + clone.object(in.global.RegExp), + clone.object(in.global.Error), + clone.object(in.global.EvalError), + clone.object(in.global.TypeError), + clone.object(in.global.RangeError), + clone.object(in.global.ReferenceError), + clone.object(in.global.SyntaxError), + clone.object(in.global.URIError), + clone.object(in.global.JSON), + + clone.object(in.global.ObjectPrototype), + clone.object(in.global.FunctionPrototype), + clone.object(in.global.ArrayPrototype), + clone.object(in.global.StringPrototype), + clone.object(in.global.BooleanPrototype), + clone.object(in.global.NumberPrototype), + clone.object(in.global.DatePrototype), + clone.object(in.global.RegExpPrototype), + clone.object(in.global.ErrorPrototype), + clone.object(in.global.EvalErrorPrototype), + clone.object(in.global.TypeErrorPrototype), + clone.object(in.global.RangeErrorPrototype), + clone.object(in.global.ReferenceErrorPrototype), + clone.object(in.global.SyntaxErrorPrototype), + clone.object(in.global.URIErrorPrototype), + } + + out.eval = out.globalObject.property["eval"].value.(Value).value.(*_object) + out.globalObject.prototype = out.global.ObjectPrototype + + // Not sure if this is necessary, but give some help to the GC + clone.runtime = nil + clone._object = nil + clone._objectStash = nil + clone._dclStash = nil + clone._fnStash = nil + + return out +} + +func (clone *_clone) object(in *_object) *_object { + if out, exists := clone._object[in]; exists { + return out + } + out := &_object{} + clone._object[in] = out + return in.objectClass.clone(in, out, clone) +} + +func (clone *_clone) dclStash(in *_dclStash) (*_dclStash, bool) { + if out, exists := clone._dclStash[in]; exists { + return out, true + } + out := &_dclStash{} + clone._dclStash[in] = out + return out, false +} + +func (clone *_clone) objectStash(in *_objectStash) (*_objectStash, bool) { + if out, exists := clone._objectStash[in]; exists { + return out, true + } + out := &_objectStash{} + clone._objectStash[in] = out + return out, false +} + +func (clone *_clone) fnStash(in *_fnStash) (*_fnStash, bool) { + if out, exists := clone._fnStash[in]; exists { + return out, true + } + out := &_fnStash{} + clone._fnStash[in] = out + return out, false +} + +func (clone *_clone) value(in Value) Value { + out := in + switch value := in.value.(type) { + case *_object: + out.value = clone.object(value) + } + return out +} + +func (clone *_clone) valueArray(in []Value) []Value { + out := make([]Value, len(in)) + for index, value := range in { + out[index] = clone.value(value) + } + return out +} + +func (clone *_clone) stash(in _stash) _stash { + if in == nil { + return nil + } + return in.clone(clone) +} + +func (clone *_clone) property(in _property) _property { + out := in + if value, valid := in.value.(Value); valid { + out.value = clone.value(value) + } else { + panic(fmt.Errorf("in.value.(Value) != true")) + } + return out +} + +func (clone *_clone) dclProperty(in _dclProperty) _dclProperty { + out := in + out.value = clone.value(in.value) + return out +} |