59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package ast
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// BuiltinAttr is a type of attribute that is optionally attached to a variable
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// or struct field definition.
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type BuiltinAttr struct {
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Addr Address
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Pos Position
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ChildNodes []Node
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Implicit bool
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Inherited bool
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Value string
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}
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func parseBuiltinAttr(line string) Node {
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groups := groupsFromRegex(
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`<(?P<position>.*)>
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(?P<inherited> Inherited)?
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(?P<implicit> Implicit)?
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(?P<value> \d+)?
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`,
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line,
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)
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if groups == nil {
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return &Unknown{}
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}
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return &BuiltinAttr{
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Addr: ParseAddress(groups["address"]),
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Pos: NewPositionFromString(groups["position"]),
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ChildNodes: []Node{},
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Inherited: len(groups["inherited"]) > 0,
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Implicit: len(groups["implicit"]) > 0,
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Value: groups["value"],
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}
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}
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// AddChild adds a new child node. Child nodes can then be accessed with the
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// Children attribute.
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func (n *BuiltinAttr) AddChild(node Node) {
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n.ChildNodes = append(n.ChildNodes, node)
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}
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// Address returns the numeric address of the node. See the documentation for
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// the Address type for more information.
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func (n *BuiltinAttr) Address() Address {
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return n.Addr
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}
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// Children returns the child nodes. If this node does not have any children or
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// this node does not support children it will always return an empty slice.
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func (n *BuiltinAttr) Children() []Node {
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return n.ChildNodes
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}
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// Position returns the position in the original source code.
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func (n *BuiltinAttr) Position() Position {
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return n.Pos
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}
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