[refactoring] update ast structure of "HaltCompiler" node

pkg/ast/node.go

@@ -539,6 +539,10 @@ func (n *StmtGoto) Accept(v NodeVisitor) {
 // StmtHaltCompiler node
 type StmtHaltCompiler struct {
 	Node
+	HaltCompilerTkn     *token.Token
+	OpenParenthesisTkn  *token.Token
+	CloseParenthesisTkn *token.Token
+	SemiColonTkn        *token.Token
 }
 
 func (n *StmtHaltCompiler) Accept(v NodeVisitor) {

pkg/ast/visitor/filter_tokens.go

@@ -60,3 +60,10 @@ func (v *FilterTokens) StmtNamespace(n *ast.StmtNamespace) {
 	n.CloseCurlyBracket = nil
 	n.SemiColonTkn = nil
 }
+
+func (v *FilterTokens) StmtHaltCompiler(n *ast.StmtHaltCompiler) {
+	n.HaltCompilerTkn = nil
+	n.OpenParenthesisTkn = nil
+	n.CloseParenthesisTkn = nil
+	n.SemiColonTkn = nil
+}