61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
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package ast
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import (
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"strings"
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"github.com/elliotchance/c2go/util"
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)
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// SentinelAttr 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 SentinelAttr struct {
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Addr Address
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Pos Position
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A int
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B int
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ChildNodes []Node
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}
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func parseSentinelAttr(line string) *SentinelAttr {
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groups := groupsFromRegex(
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`<(?P<position>.*)>(?P<a> \d+)(?P<b> \d+)?`,
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line,
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)
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b := 0
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if groups["b"] != "" {
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b = util.Atoi(strings.TrimSpace(groups["b"]))
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}
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return &SentinelAttr{
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Addr: ParseAddress(groups["address"]),
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Pos: NewPositionFromString(groups["position"]),
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A: util.Atoi(strings.TrimSpace(groups["a"])),
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B: b,
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ChildNodes: []Node{},
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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 *SentinelAttr) 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 *SentinelAttr) 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 *SentinelAttr) 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 *SentinelAttr) Position() Position {
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return n.Pos
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}
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