variable node, allow nil finally

node/expr/variable.go

@@ -0,0 +1,25 @@
+package expr
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/token"
+)
+
+type Variable struct {
+	node.SimpleNode
+	token token.Token
+}
+
+func NewVariable(token token.Token) node.Node {
+	return Variable{
+		node.SimpleNode{Name: "Variable", Attributes: make(map[string]string)},
+		token,
+	}
+}
+
+func (n Variable) Print(out io.Writer, indent string) {
+	fmt.Fprintf(out, "\n%v%v [%d %d] %q", indent, n.Name, n.token.StartLine, n.token.EndLine, n.token.Value)
+}

node/stmt/try.go

@@ -38,6 +38,8 @@ func (n Try) Print(out io.Writer, indent string) {
 		nn.Print(out, indent+"    ")
 	}
 
-	fmt.Fprintf(out, "\n%vfinally:", indent+"  ")
-	n.finally.Print(out, indent+"    ")
+	if n.finally != nil {
+		fmt.Fprintf(out, "\n%vfinally:", indent+"  ")
+		n.finally.Print(out, indent+"    ")
+	}
 }

parser/parser.y

@@ -8,6 +8,7 @@ import (
     "github.com/z7zmey/php-parser/node/scalar"
     "github.com/z7zmey/php-parser/node/name"
     "github.com/z7zmey/php-parser/node/stmt"
+    "github.com/z7zmey/php-parser/node/expr"
 )
 
 var rootnode = node.NewSimpleNode("Root")
@@ -409,7 +410,7 @@ statement:
 catch_list:
         /* empty */                                     { $$ = []node.Node{} }
     |   catch_list T_CATCH '(' catch_name_list T_VARIABLE ')' '{' inner_statement_list '}'
-                                                        { $$ = append($1, stmt.NewCatch($2, $4, node.NewSimpleNode("TODO: handle variable"), $8)) }
+                                                        { $$ = append($1, stmt.NewCatch($2, $4, expr.NewVariable($5), $8)) }
 ;
 catch_name_list:
         name                                            { $$ = []node.Node{$1} }
@@ -417,7 +418,7 @@ catch_name_list:
 ;
 
 finally_statement:
-        /* empty */                                     { $$ = node.NewSimpleNode(""); }
+        /* empty */                                     { $$ = nil }
     |   T_FINALLY '{' inner_statement_list '}'          { $$ = stmt.NewFinally($1, $3) }
 ;