nswrap/ast/string_literal.go

64 lines
1.5 KiB
Go

package ast
import (
"fmt"
"strconv"
)
// StringLiteral is type of string literal
type StringLiteral struct {
Addr Address
Pos Position
Type string
Value string
Lvalue bool
ChildNodes []Node
}
func parseStringLiteral(line string) Node {
groups := groupsFromRegex(
`<(?P<position>.*)> '(?P<type>.*)' lvalue (?P<value>".*")`,
line,
)
if groups == nil {
return &Unknown{}
}
s, err := strconv.Unquote(groups["value"])
if err != nil {
panic(fmt.Sprintf("Unable to unquote %s\n", groups["value"]))
}
return &StringLiteral{
Addr: ParseAddress(groups["address"]),
Pos: NewPositionFromString(groups["position"]),
Type: groups["type"],
Value: s,
Lvalue: true,
ChildNodes: []Node{},
}
}
// AddChild adds a new child node. Child nodes can then be accessed with the
// Children attribute.
func (n *StringLiteral) AddChild(node Node) {
n.ChildNodes = append(n.ChildNodes, node)
}
// Address returns the numeric address of the node. See the documentation for
// the Address type for more information.
func (n *StringLiteral) Address() Address {
return n.Addr
}
// Children returns the child nodes. If this node does not have any children or
// this node does not support children it will always return an empty slice.
func (n *StringLiteral) Children() []Node {
return n.ChildNodes
}
// Position returns the position in the original source code.
func (n *StringLiteral) Position() Position {
return n.Pos
}