Fixed Kalypso's scope lookup to handle ::, ported another test (+ got another one from having proper scope operator)

stdlib/ast_transformation.krak

@@ -579,7 +579,18 @@ fun identifier_lookup(name: string, scope: *ast_node): *ast_node {
 fun scope_lookup(name: string, scope: *ast_node): vector<*ast_node> {
     println("*****Doing a name lookup for*****")
     println(name)
-    return scope_lookup_helper(name, scope, set<*ast_node>())
+    var results = vector(scope)
+    name.split("::").for_each(fun(i: string) {
+        println(string("based on split, looking up: ") + i)
+        var next_results = vector<*ast_node>()
+        results.for_each(fun(s: *ast_node) {
+            print("looking in scope: ")
+            println(s)
+            next_results += scope_lookup_helper(i, s, set<*ast_node>())
+        })
+        results = next_results
+    })
+    return results
 }
 fun scope_lookup_helper(name: string, scope: *ast_node, visited: set<*ast_node>): vector<*ast_node> {
     // need to do properly scopded lookups

stdlib/string.krak

@@ -149,11 +149,28 @@ obj string (Object, Serializable) {
         return out;
     }
 
-    fun lines(): vector::vector<string> {
+    fun split(delim: *char): vector::vector<string> return split(string(delim))
+    fun split(delim: string): vector::vector<string> {
         var out.construct(): vector::vector<string>
         var current = string("")
         for (var i = 0; i < data.size; i++;) {
-            if (data[i] == '\n') {
+            if (i < data.size-delim.length() && slice(i, i+delim.length()) == delim) {
+                out.add(current)
+                current = string("")
+                i += delim.length()-1
+            } else {
+                current += data[i]
+            }
+        }
+        out.add(current)
+        return out
+    }
+    fun lines(): vector::vector<string> return split('\n')
+    fun split(delim: char): vector::vector<string> {
+        var out.construct(): vector::vector<string>
+        var current = string("")
+        for (var i = 0; i < data.size; i++;) {
+            if (data[i] == delim) {
                 out.add(current)
                 current = string("")
             } else {

tests/test_emptyBracesFunction.krak

@@ -1,9 +1,9 @@
-import io;
+import simple_print;
 
 fun nothing(): void {}
 
 fun main(): int {
     nothing();
-    io::println("It was nothing");
+    simple_print::println("It was nothing");
     return 0;
 }