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arf/parser/node-traits.go

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package parser
import "git.tebibyte.media/arf/arf/file"
import "git.tebibyte.media/arf/arf/types"
import "git.tebibyte.media/arf/arf/infoerr"
// locatable allows a tree node to have a location.
type locatable struct {
location file.Location
}
// Location returns the location of the node.
func (trait locatable) Location () (location file.Location) {
location = trait.location
return
}
// NewError creates a new error at the node's location.
func (trait locatable) NewError (
message string,
kind infoerr.ErrorKind,
) (
err infoerr.Error,
) {
err = infoerr.NewError(trait.location, message, kind)
return
}
// nameable allows a tree node to have a name.
type nameable struct {
name string
}
// Name returns the name of the node.
func (trait nameable) Name () (name string) {
name = trait.name
return
}
// typeable allows a node to have a type.
type typeable struct {
what Type
}
// Type returns the type of the node.
func (trait typeable) Type () (what Type) {
what = trait.what
return
}
// permissionable allows a node to have a permission.
type permissionable struct {
permission types.Permission
}
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// Permission returns the permision of the node.
func (trait permissionable) Permission () (permission types.Permission) {
permission = trait.permission
return
}
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// valuable allows a node to have an argument value.
type valuable struct {
value Argument
}
// Value returns the value argument of the node.
func (trait valuable) Value () (value Argument) {
value = trait.value
return
}