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)
+}