github.com/Konstantin8105/c4go@v0.0.0-20240505174241-768bb1c65a51/ast/paren_expr.go (about)

     1  package ast
     2  
     3  // ParenExpr is expression.
     4  type ParenExpr struct {
     5  	Addr       Address
     6  	Pos        Position
     7  	Type       string
     8  	Type2      string
     9  	IsLvalue   bool
    10  	IsBitfield bool
    11  	ChildNodes []Node
    12  }
    13  
    14  func parseParenExpr(line string) *ParenExpr {
    15  	groups := groupsFromRegex(
    16  		`<(?P<position>.*)> '(?P<type1>.*?)'(:'(?P<type2>.*)')?
    17  		(?P<lvalue> lvalue)?
    18  		(?P<bitfield> bitfield)?
    19  		`,
    20  		line,
    21  	)
    22  
    23  	return &ParenExpr{
    24  		Addr:       ParseAddress(groups["address"]),
    25  		Pos:        NewPositionFromString(groups["position"]),
    26  		Type:       groups["type1"],
    27  		Type2:      groups["type2"],
    28  		IsLvalue:   len(groups["lvalue"]) > 0,
    29  		IsBitfield: len(groups["bitfield"]) > 0,
    30  		ChildNodes: []Node{},
    31  	}
    32  }
    33  
    34  // AddChild adds a new child node. Child nodes can then be accessed with the
    35  // Children attribute.
    36  func (n *ParenExpr) AddChild(node Node) {
    37  	n.ChildNodes = append(n.ChildNodes, node)
    38  }
    39  
    40  // Address returns the numeric address of the node. See the documentation for
    41  // the Address type for more information.
    42  func (n *ParenExpr) Address() Address {
    43  	return n.Addr
    44  }
    45  
    46  // Children returns the child nodes. If this node does not have any children or
    47  // this node does not support children it will always return an empty slice.
    48  func (n *ParenExpr) Children() []Node {
    49  	return n.ChildNodes
    50  }
    51  
    52  // Position returns the position in the original source code.
    53  func (n *ParenExpr) Position() Position {
    54  	return n.Pos
    55  }