JS: transfer all empty statement simplifications RedundantLabelRemoval to EmptyStatementElimination, so that empty statements can be eliminated everywhere, not in labeled blocks only.

2017-01-19 18:53:56 +03:00
parent ac0df8eef9
commit c1838d423b
10 changed files with 148 additions and 87 deletions
@@ -0,0 +1,3 @@
+function box() {
+    return "OK";
+}
@@ -0,0 +1,20 @@
+function box() {
+    {}
+    {
+        {}
+        {}
+    }
+
+    var $x = "OK";
+    if ($x == "123") {}
+    else if ($x == "234") {} else {}
+    if ($x == "qwe") {}
+
+    switch ($x) {
+        case 1:
+        case 2:
+        default:
+    }
+
+    return $x;
+}
@@ -0,0 +1,17 @@
+var global = "";
+
+function id(value) {
+    global += value + ";";
+    return value;
+}
+
+function test(x) {
+    id(x);
+    id(x + 1);
+}
+
+function box() {
+    test(23);
+    if (global != "23;24;") return "fail";
+    return "OK";
+}
@@ -0,0 +1,23 @@
+var global = "";
+
+function id(value) {
+    global += value + ";";
+    return value;
+}
+
+function test(x) {
+    $outer: {
+        if (id(x) + id(x + 1) > 0) {
+            break $outer;
+        }
+        else {
+            break $outer;
+        }
+    }
+}
+
+function box() {
+    test(23);
+    if (global != "23;24;") return "fail";
+    return "OK";
+}
@@ -0,0 +1,7 @@
+function test(x) {
+    return "OK";
+}
+
+function box() {
+    return test(23);
+}
@@ -0,0 +1,12 @@
+function test(x) {
+    $outer: {
+        if (x > 10) {
+            break $outer;
+        }
+    }
+    return "OK";
+}
+
+function box() {
+    return test(23);
+}