assignment nodes eval their values

node.go

@@ -192,7 +192,11 @@ func (n *assignmentNode) eval(ctx map[string]interface{}) (interface{}, error) {
 	if _, ok := ctx[n.name]; ok {
 		return nil, fmt.Errorf("invalid re-declaration: %s", n.name)
 	}
-	ctx[n.name] = n.value
+	v, err := n.value.eval(ctx)
+	if err != nil {
+		return nil, err
+	}
+	ctx[n.name] = v
 	return nil, nil
 }
 

tests/parse/04.in

@@ -1,3 +1,9 @@
+root_int: 1
+root_float: 1.2
+root_exp: 1e9
+root_hex: 0xabcde
+root_oct: 0777
+
 an_object: {
     item_one: 1
     item_two: "two"

tests/parse/04.out

@@ -1,4 +1,34 @@
 root:
+  assign:
+    name:
+      root_int
+    value:
+      number:
+        1
+  assign:
+    name:
+      root_float
+    value:
+      number:
+        1.2
+  assign:
+    name:
+      root_exp
+    value:
+      number:
+        1e+09
+  assign:
+    name:
+      root_hex
+    value:
+      number:
+        703710
+  assign:
+    name:
+      root_oct
+    value:
+      number:
+        511
   assign:
     name:
       an_object