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

     1  package ast
     2  
     3  // UnaryOperator is type of unary operator
     4  type UnaryOperator struct {
     5  	Addr             Address
     6  	Pos              Position
     7  	Type             string
     8  	Type2            string
     9  	IsLvalue         bool
    10  	IsPrefix         bool
    11  	IsCannotOverflow bool
    12  	Operator         string
    13  	ChildNodes       []Node
    14  }
    15  
    16  func parseUnaryOperator(line string) *UnaryOperator {
    17  	groups := groupsFromRegex(
    18  		`<(?P<position>.*)>
    19  		 '(?P<type>.*?)'(:'(?P<type2>.*)')?
    20  		(?P<lvalue> lvalue)?
    21  		(?P<prefix> prefix)?
    22  		(?P<postfix> postfix)?
    23  		 '(?P<operator>.*?)'
    24  		(?P<overflow> cannot overflow)?`,
    25  		line,
    26  	)
    27  
    28  	return &UnaryOperator{
    29  		Addr:             ParseAddress(groups["address"]),
    30  		Pos:              NewPositionFromString(groups["position"]),
    31  		Type:             groups["type"],
    32  		Type2:            groups["type2"],
    33  		IsLvalue:         len(groups["lvalue"]) > 0,
    34  		IsPrefix:         len(groups["prefix"]) > 0,
    35  		IsCannotOverflow: len(groups["overflow"]) > 0,
    36  		Operator:         groups["operator"],
    37  		ChildNodes:       []Node{},
    38  	}
    39  }
    40  
    41  // AddChild adds a new child node. Child nodes can then be accessed with the
    42  // Children attribute.
    43  func (n *UnaryOperator) AddChild(node Node) {
    44  	n.ChildNodes = append(n.ChildNodes, node)
    45  }
    46  
    47  // Address returns the numeric address of the node. See the documentation for
    48  // the Address type for more information.
    49  func (n *UnaryOperator) Address() Address {
    50  	return n.Addr
    51  }
    52  
    53  // Children returns the child nodes. If this node does not have any children or
    54  // this node does not support children it will always return an empty slice.
    55  func (n *UnaryOperator) Children() []Node {
    56  	return n.ChildNodes
    57  }
    58  
    59  // Position returns the position in the original source code.
    60  func (n *UnaryOperator) Position() Position {
    61  	return n.Pos
    62  }