JS: when recursive local function does not capture variables, give it name from top-level scope. See KT-15770

2017-01-18 12:43:28 +03:00
parent 70d2296e61
commit ac0df8eef9
3 changed files with 60 additions and 13 deletions
@@ -0,0 +1,43 @@
+var log = ""
+
+fun foo() {
+    fun local(x: String) {
+        if (x.isEmpty()) return
+        log += "foo(${x[0]});"
+        local(x.substring(1))
+    }
+    local("OK")
+}
+
+fun bar() {
+    fun local(x: String) {
+        if (x.isEmpty()) return
+        log += "bar(${x[0]});"
+        local(x.substring(1))
+    }
+    local("OK")
+}
+
+fun baz(): Int {
+    fun local(x: String) {
+        if (x.isEmpty()) return
+        log += "baz(${x[0]});"
+        local(x.substring(1))
+    }
+    fun local(x: Int): Int = if (x == 0) 1 else x * local(x - 1)
+    local("OK")
+    return local(3)
+}
+
+
+fun box(): String {
+    foo()
+    bar()
+    val result = baz()
+
+    if (result != 6) return "fail1: $result"
+
+    if (log != "foo(O);foo(K);bar(O);bar(K);baz(O);baz(K);") return "fail2: $result"
+
+    return "OK"
+}