34 lines
531 B
Go
34 lines
531 B
Go
|
package ast
|
||
|
|
|
||
|
|
import "github.com/d5/tengo/scanner"
|
||
|
|
|
||
|
|
type SliceExpr struct {
|
||
|
|
Expr Expr
|
||
|
|
LBrack scanner.Pos
|
||
|
|
Low Expr
|
||
|
|
High Expr
|
||
|
|
RBrack scanner.Pos
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *SliceExpr) exprNode() {}
|
||
|
|
|
||
|
|
func (e *SliceExpr) Pos() scanner.Pos {
|
||
|
|
return e.Expr.Pos()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *SliceExpr) End() scanner.Pos {
|
||
|
|
return e.RBrack + 1
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *SliceExpr) String() string {
|
||
|
|
var low, high string
|
||
|
|
if e.Low != nil {
|
||
|
|
low = e.Low.String()
|
||
|
|
}
|
||
|
|
if e.High != nil {
|
||
|
|
high = e.High.String()
|
||
|
|
}
|
||
|
|
|
||
|
|
return e.Expr.String() + "[" + low + ":" + high + "]"
|
||
|
|
}
|