33 lines
655 B
Go
33 lines
655 B
Go
package ast
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import "github.com/d5/tengo/compiler/source"
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// IndexExpr represents an index expression.
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type IndexExpr struct {
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Expr Expr
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LBrack source.Pos
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Index Expr
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RBrack source.Pos
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}
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func (e *IndexExpr) exprNode() {}
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// Pos returns the position of first character belonging to the node.
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func (e *IndexExpr) 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 *IndexExpr) End() source.Pos {
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return e.RBrack + 1
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}
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func (e *IndexExpr) String() string {
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var index string
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if e.Index != nil {
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index = e.Index.String()
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}
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return e.Expr.String() + "[" + index + "]"
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}
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