remove unnecessary csp makePredicate - fixes #1267

src/acorn/src/identifier.js

@@ -9,41 +9,9 @@
 
 function makePredicate(words) {
   words = words.split(" ")
-  let f = "", cats = []
-  out: for (let i = 0; i < words.length; ++i) {
-    for (let j = 0; j < cats.length; ++j)
-      if (cats[j][0].length == words[i].length) {
-        cats[j].push(words[i])
-        continue out
+  return function(str) {
+    return words.indexOf(str) >= 0
   }
-    cats.push([words[i]])
-  }
-  function compareTo(arr) {
-    if (arr.length == 1) return f += "return str === " + JSON.stringify(arr[0]) + ";"
-    f += "switch(str){"
-    for (let i = 0; i < arr.length; ++i) f += "case " + JSON.stringify(arr[i]) + ":"
-    f += "return true}return false;"
-  }
-
-  // When there are more than three length categories, an outer
-  // switch first dispatches on the lengths, to save on comparisons.
-
-  if (cats.length > 3) {
-    cats.sort((a, b) => b.length - a.length)
-    f += "switch(str.length){"
-    for (let i = 0; i < cats.length; ++i) {
-      let cat = cats[i]
-      f += "case " + cat[0].length + ":"
-      compareTo(cat)
-    }
-    f += "}"
-
-    // Otherwise, simply generate a flat `switch` statement.
-
-  } else {
-    compareTo(words)
-  }
-  return new Function("str", f)
 }
 
 // Reserved word lists for various dialects of the language