3 files changed, 52 insertions, 19 deletions
diff --git a/parser/kind.go b/parser/kind.go
new file mode 100644
index 0000000..d570358
--- /dev/null
+++ b/parser/kind.go
@@ -0,0 +1,52 @@
+package parser
+
+import "fmt"
+
+type Kind int
+
+const (
+	Undefined = Kind(iota)
+	FuncDecl
+	CallExpr
+	IfStmt
+	StmtBloc
+	ReturnStmt
+	Ident
+	StringLit
+	NumberLit
+	ParBloc
+	DotOp
+	MulOp
+	AddOp
+	SubOp
+	AssignOp
+	DefOp
+	InfOp
+)
+
+var kindString = [...]string{
+	Undefined:  "Undefined",
+	FuncDecl:   "FuncDecl",
+	CallExpr:   "CallExpr",
+	IfStmt:     "IfStmt",
+	StmtBloc:   "StmtBloc",
+	ReturnStmt: "ReturnStmt",
+	Ident:      "Ident",
+	StringLit:  "StringLit",
+	NumberLit:  "NumberLit",
+	ParBloc:    "ParBloc",
+	DotOp:      "DotOp",
+	MulOp:      "MulOp",
+	AddOp:      "AddOP",
+	SubOp:      "SubOp",
+	AssignOp:   "AssignOp",
+	DefOp:      "DefOp",
+	InfOp:      "InfOp",
+}
+
+func (k Kind) String() string {
+	if int(k) < 0 || int(k) > len(kindString) {
+		return fmt.Sprintf("unknown kind %d", k)
+	}
+	return kindString[k]
+}
diff --git a/parser/node.go b/parser/node.go
index 6ebc2a7..f81285a 100644
--- a/parser/node.go
+++ b/parser/node.go
@@ -2,8 +2,6 @@ package parser
 
 import "github.com/gnolang/parscan/scanner"
 
-type Kind int
-
 type Node struct {
 	Child         []*Node // sub-tree nodes
 	scanner.Token         // token at origin of the node
diff --git a/parser/parse_test.go b/parser/parse_test.go
index dc363cb..3bf6955 100644
--- a/parser/parse_test.go
+++ b/parser/parse_test.go
@@ -47,23 +47,6 @@ var GoScanner = &scanner.Scanner{
 	},
 }
 
-const (
-	Undefined = Kind(iota)
-	FuncDecl
-	CallExpr
-	IfStmt
-	StmtBloc
-	ReturnStmt
-	ParBloc
-	MulOp
-	AddOp
-	SubOp
-	DotOp
-	AssignOp
-	DefOp
-	InfOp
-)
-
 var GoParser = &Parser{
 	Scanner: GoScanner,
 	Spec: map[string]NodeSpec{