/
run_time_value.go
319 lines (264 loc) · 6.79 KB
/
run_time_value.go
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package symbolic
import (
"errors"
"fmt"
"reflect"
pprint "github.com/inoxlang/inox/internal/prettyprint"
)
var (
_ = []asInterface{
(*RunTimeValue)(nil), (*indexableRunTimeValue)(nil), (*iterableRunTimeValue)(nil), (*ipropsRunTimeValue)(nil),
(*strLikeRunTimeValue)(nil),
}
_ = []IRunTimeValue{
(*indexableRunTimeValue)(nil), (*iterableRunTimeValue)(nil), (*ipropsRunTimeValue)(nil),
(*strLikeRunTimeValue)(nil), (*serializableRunTimeValue)(nil),
}
)
// A RunTimeValue represents a value that is not known.
type RunTimeValue struct {
super Value
}
func NewRunTimeValue(value Value) *RunTimeValue {
if IsConcretizable(value) {
panic(fmt.Errorf("unexpected concretizable value provided to create a symbolic run-time value"))
}
return &RunTimeValue{super: value}
}
func (rv *RunTimeValue) Test(v Value, state RecTestCallState) bool {
state.StartCall()
defer state.FinishCall()
otherRV, ok := v.(IRunTimeValue)
return ok && otherRV.OriginalRunTimeValue() == rv
}
func (rv *RunTimeValue) Static() Pattern {
return getStatic(rv.super)
}
func (rv *RunTimeValue) as(itf reflect.Type) (result Value) {
top_switch:
switch itf {
case SERIALIZABLE_INTERFACE_TYPE:
serializable := true
if _, ok := rv.super.(Serializable); !ok {
serializable = false
break
}
if serializable {
result = &serializableRunTimeValue{RunTimeValue: rv}
}
case INDEXABLE_INTERFACE_TYPE:
indexable := true
if _, ok := rv.super.(Indexable); !ok {
indexable = false
break
}
if indexable {
result = &indexableRunTimeValue{rv}
}
case ITERABLE_INTERFACE_TYPE:
iterable := true
if _, ok := rv.super.(Iterable); !ok {
iterable = false
break
}
if iterable {
result = &iterableRunTimeValue{rv}
}
case WATCHABLE_INTERFACE_TYPE:
watchable := true
if _, ok := rv.super.(Watchable); !ok {
watchable = false
break
}
if watchable {
result = &watchableRunTimeValue{rv}
}
case IPROPS_INTERFACE_TYPE:
iprops := true
if _, ok := rv.super.(IProps); !ok {
iprops = false
break
}
if iprops {
result = &ipropsRunTimeValue{rv}
}
case STRLIKE_INTERFACE_TYPE:
strLike := true
if _, ok := rv.super.(StringLike); !ok {
strLike = false
break
}
if strLike {
result = &strLikeRunTimeValue{RunTimeValue: rv}
}
default:
if !reflect.ValueOf(rv.super).Type().Implements(itf) {
break top_switch
}
val, _, err := converTypeToSymbolicValue(itf, false)
if err == nil {
return val
}
}
if result == nil {
return rv
}
return
}
func (rv *RunTimeValue) asStrLike() *strLikeRunTimeValue {
return rv.as(STRLIKE_INTERFACE_TYPE).(*strLikeRunTimeValue)
}
func (rv *RunTimeValue) PrettyPrint(w pprint.PrettyPrintWriter, config *pprint.PrettyPrintConfig) {
w.WriteName("run-time-value(")
rv.super.PrettyPrint(w.ZeroDepthIndent(), config)
w.WriteByte(')')
}
func (rv *RunTimeValue) WidestOfType() Value {
return rv.super.WidestOfType()
}
func (m *RunTimeValue) OriginalRunTimeValue() *RunTimeValue {
return m
}
type IRunTimeValue interface {
OriginalRunTimeValue() *RunTimeValue
}
type serializableRunTimeValue struct {
*RunTimeValue
SerializableMixin
}
type indexableRunTimeValue struct {
*RunTimeValue
}
func (rv *indexableRunTimeValue) Element() Value {
return rv.super.(Indexable).Element()
}
func (rv *indexableRunTimeValue) ElementAt(i int) Value {
return rv.super.(Indexable).ElementAt(i)
}
func (rv *indexableRunTimeValue) IteratorElementKey() Value {
return ANY_INT
}
func (rv *indexableRunTimeValue) IteratorElementValue() Value {
return rv.Element()
}
func (rv *indexableRunTimeValue) KnownLen() int {
return rv.super.(Indexable).KnownLen()
}
func (rv *indexableRunTimeValue) HasKnownLen() bool {
return rv.super.(Indexable).HasKnownLen()
}
func (rv *indexableRunTimeValue) as(itf reflect.Type) Value {
return rv.RunTimeValue.as(itf)
}
type iterableRunTimeValue struct {
*RunTimeValue
}
func (rv *iterableRunTimeValue) IteratorElementKey() Value {
return rv.super.(Indexable).IteratorElementKey()
}
func (rv *iterableRunTimeValue) IteratorElementValue() Value {
return rv.super.(Indexable).IteratorElementValue()
}
func (rv *iterableRunTimeValue) as(itf reflect.Type) Value {
return rv.RunTimeValue.as(itf)
}
type watchableRunTimeValue struct {
*RunTimeValue
}
func (rv *watchableRunTimeValue) WatcherElement() Value {
return ANY
}
func (rv *watchableRunTimeValue) as(itf reflect.Type) Value {
return rv.RunTimeValue.as(itf)
}
type ipropsRunTimeValue struct {
*RunTimeValue
}
func (rv *ipropsRunTimeValue) Prop(name string) Value {
return rv.super.(IProps).Prop(name)
}
func (rv *ipropsRunTimeValue) SetProp(name string, value Value) (IProps, error) {
return nil, errors.New(FmtCannotAssignPropertyOf(rv))
}
func (rv *ipropsRunTimeValue) WithExistingPropReplaced(name string, value Value) (IProps, error) {
return nil, errors.New(FmtCannotAssignPropertyOf(rv))
}
func (rv *ipropsRunTimeValue) PropertyNames() []string {
return nil
}
func (rv *ipropsRunTimeValue) as(itf reflect.Type) Value {
return rv.RunTimeValue.as(itf)
}
type strLikeRunTimeValue struct {
*RunTimeValue
SerializableMixin
}
func (*strLikeRunTimeValue) IteratorElementKey() Value {
return ANY_STRING.IteratorElementKey()
}
func (*strLikeRunTimeValue) IteratorElementValue() Value {
return ANY_STRING.IteratorElementKey()
}
func (*strLikeRunTimeValue) HasKnownLen() bool {
return false
}
func (*strLikeRunTimeValue) KnownLen() int {
return -1
}
func (*strLikeRunTimeValue) Element() Value {
return ANY_STRING.Element()
}
func (*strLikeRunTimeValue) ElementAt(i int) Value {
return ANY_STRING.ElementAt(i)
}
func (*strLikeRunTimeValue) slice(start, end *Int) Sequence {
return ANY_STRING.slice(start, end)
}
func (*strLikeRunTimeValue) GetOrBuildString() *String {
return ANY_STRING
}
func (rv *strLikeRunTimeValue) WidestOfType() Value {
return rv.super.WidestOfType()
}
func (*strLikeRunTimeValue) Reader() *Reader {
return ANY_READER
}
func (*strLikeRunTimeValue) PropertyNames() []string {
return STRING_LIKE_PSEUDOPROPS
}
func (rv *strLikeRunTimeValue) Prop(name string) Value {
switch name {
case "replace":
return &GoFunction{
fn: func(ctx *Context, old, new StringLike) *String {
return ANY_STRING
},
}
case "trim_space":
return &GoFunction{
fn: func(ctx *Context) StringLike {
return ANY_STR_LIKE
},
}
case "has_prefix":
return &GoFunction{
fn: func(ctx *Context, s StringLike) *Bool {
return ANY_BOOL
},
}
case "has_suffix":
return &GoFunction{
fn: func(ctx *Context, s StringLike) *Bool {
return ANY_BOOL
},
}
default:
panic(FormatErrPropertyDoesNotExist(name, rv))
}
}
func (rv *strLikeRunTimeValue) WithExistingPropReplaced(name string, value Value) (StringLike, error) {
return nil, errors.New(FmtCannotAssignPropertyOf(rv))
}
func (rv *strLikeRunTimeValue) as(itf reflect.Type) Value {
return rv.RunTimeValue.as(itf)
}