nswrap/ast/parm_var_decl.go

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2019-04-09 11:52:21 -04:00
package ast
import (
"strings"
)
// ParmVarDecl is node represents a parameter of variable declaration.
type ParmVarDecl struct {
Addr Address
Pos Position
Position2 string
Name string
Type string
Type2 string
IsUsed bool
IsReferenced bool
IsRegister bool
ChildNodes []Node
}
func parseParmVarDecl(line string) *ParmVarDecl {
groups := groupsFromRegex(
`<(?P<position>.*)>
(?P<position2> [^ ]+:[\d:]+)?
(?P<used> used)?
(?P<referenced> referenced)?
(?P<name> \w+)?
'(?P<type>.*?)'
(?P<type2>:'.*?')?
(?P<register> register)?
`,
line,
)
type2 := groups["type2"]
if type2 != "" {
type2 = type2[2 : len(type2)-1]
}
if strings.Index(groups["position"], "<invalid sloc>") > -1 {
groups["position"] = "<invalid sloc>"
groups["position2"] = "<invalid sloc>"
}
return &ParmVarDecl{
Addr: ParseAddress(groups["address"]),
Pos: NewPositionFromString(groups["position"]),
2019-04-09 11:52:21 -04:00
Position2: strings.TrimSpace(groups["position2"]),
Name: strings.TrimSpace(groups["name"]),
Type: groups["type"],
Type2: type2,
IsUsed: len(groups["used"]) > 0,
IsReferenced: len(groups["referenced"]) > 0,
IsRegister: len(groups["register"]) > 0,
ChildNodes: []Node{},
}
}
// AddChild adds a new child node. Child nodes can then be accessed with the
// Children attribute.
func (n *ParmVarDecl) 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 *ParmVarDecl) 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 *ParmVarDecl) Children() []Node {
return n.ChildNodes
}
// Position returns the position in the original source code.
func (n *ParmVarDecl) Position() Position {
return n.Pos
}