[refactoring] update ast structure of "Try", "Catch" and "Finally" nodes

pkg/ast/node.go

@@ -203,9 +203,15 @@ func (n *StmtCase) Accept(v NodeVisitor) {
 // StmtCatch node
 type StmtCatch struct {
 	Node
-	Types []Vertex
-	Var   Vertex
-	Stmts []Vertex
+	CatchTkn             *token.Token
+	OpenParenthesisTkn   *token.Token
+	Types                []Vertex
+	SeparatorTkns        []*token.Token
+	Var                  Vertex
+	CloseParenthesisTkn  *token.Token
+	OpenCurlyBracketTkn  *token.Token
+	Stmts                []Vertex
+	CloseCurlyBracketTkn *token.Token
 }
 
 func (n *StmtCatch) Accept(v NodeVisitor) {
@@ -415,7 +421,10 @@ func (n *StmtExpression) Accept(v NodeVisitor) {
 // StmtFinally node
 type StmtFinally struct {
 	Node
-	Stmts []Vertex
+	FinallyTkn           *token.Token
+	OpenCurlyBracketTkn  *token.Token
+	Stmts                []Vertex
+	CloseCurlyBracketTkn *token.Token
 }
 
 func (n *StmtFinally) Accept(v NodeVisitor) {
@@ -776,9 +785,12 @@ func (n *StmtTraitUsePrecedence) Accept(v NodeVisitor) {
 // StmtTry node
 type StmtTry struct {
 	Node
-	Stmts   []Vertex
-	Catches []Vertex
-	Finally Vertex
+	TryTkn            *token.Token
+	OpenCurlyBracket  *token.Token
+	Stmts             []Vertex
+	CloseCurlyBracket *token.Token
+	Catches           []Vertex
+	Finally           Vertex
 }
 
 func (n *StmtTry) Accept(v NodeVisitor) {

pkg/ast/visitor/filter_tokens.go

@@ -239,3 +239,24 @@ func (v *FilterTokens) StmtDeclare(n *ast.StmtDeclare) {
 func (v *FilterTokens) StmtNop(n *ast.StmtNop) {
 	n.SemiColonTkn = nil
 }
+
+func (v *FilterTokens) StmtTry(n *ast.StmtTry) {
+	n.TryTkn = nil
+	n.OpenCurlyBracket = nil
+	n.CloseCurlyBracket = nil
+}
+
+func (v *FilterTokens) StmtCatch(n *ast.StmtCatch) {
+	n.CatchTkn = nil
+	n.OpenParenthesisTkn = nil
+	n.SeparatorTkns = nil
+	n.CloseParenthesisTkn = nil
+	n.OpenCurlyBracketTkn = nil
+	n.CloseCurlyBracketTkn = nil
+}
+
+func (v *FilterTokens) StmtFinally(n *ast.StmtFinally) {
+	n.FinallyTkn = nil
+	n.OpenCurlyBracketTkn = nil
+	n.CloseCurlyBracketTkn = nil
+}