1 files changed, 52 insertions, 0 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]
+}