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37 lines
612 B
Go
37 lines
612 B
Go
package ast
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import (
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"fmt"
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)
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// VariableAccess represents a variable access.
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type VariableAccess struct {
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Name string
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Posx Pos
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}
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func (n *VariableAccess) Accept(v Visitor) Node {
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return v(n)
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}
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func (n *VariableAccess) Pos() Pos {
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return n.Posx
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}
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func (n *VariableAccess) GoString() string {
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return fmt.Sprintf("*%#v", *n)
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}
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func (n *VariableAccess) String() string {
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return fmt.Sprintf("Variable(%s)", n.Name)
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}
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func (n *VariableAccess) Type(s Scope) (Type, error) {
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v, ok := s.LookupVar(n.Name)
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if !ok {
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return TypeInvalid, fmt.Errorf("unknown variable: %s", n.Name)
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}
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return v.Type, nil
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}
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