37 lines
724 B
Go
37 lines
724 B
Go
package ast
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import "github.com/d5/tengo/compiler/source"
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// SliceExpr represents a slice expression.
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type SliceExpr struct {
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Expr Expr
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LBrack source.Pos
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Low Expr
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High Expr
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RBrack source.Pos
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}
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func (e *SliceExpr) exprNode() {}
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// Pos returns the position of first character belonging to the node.
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func (e *SliceExpr) Pos() source.Pos {
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return e.Expr.Pos()
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}
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// End returns the position of first character immediately after the node.
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func (e *SliceExpr) End() source.Pos {
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return e.RBrack + 1
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}
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func (e *SliceExpr) String() string {
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var low, high string
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if e.Low != nil {
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low = e.Low.String()
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}
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if e.High != nil {
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high = e.High.String()
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}
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return e.Expr.String() + "[" + low + ":" + high + "]"
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}
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