Function LargeSwitchGenerator

deps/v8/test/mjsunit/wasm/asm-wasm-switch.js:401–420

(begin, end, gap, handle_case)

(function TestLargeSwitch() {
  function LargeSwitchGenerator(begin, end, gap, handle_case) {
    var str = "function asmModule() {\
      \"use asm\";\
      function main(x) {\
        x = x|0;\
        switch(x|0) {";
    for (var i = begin; i <= end; i = i + gap) {
      str = str.concat("case ", i.toString(), ": ", handle_case(i));
    }
    str = str.concat("default: return -1;\
        }\
        return -2;\
      }\
      return {main: main}; }");

    var decl = eval('(' + str + ')');
    var wasm = decl();
    assertValidAsm(decl);
    return wasm;
  }

  var handle_case = function(k) {
    return "return ".concat(k, ";");