C++ (Cpp) Global::mathName Exemples

Exemple #1

static bool
ValidateMathBuiltin(JSContext *cx, AsmJSModule::Global &global, HandleValue globalVal)
{
    RootedValue v(cx);
    if (!GetDataProperty(cx, globalVal, cx->names().Math, &v))
        return false;
    RootedPropertyName field(cx, global.mathName());
    if (!GetDataProperty(cx, v, field, &v))
        return false;

    Native native = nullptr;
    switch (global.mathBuiltin()) {
      case AsmJSMathBuiltin_sin: native = math_sin; break;
      case AsmJSMathBuiltin_cos: native = math_cos; break;
      case AsmJSMathBuiltin_tan: native = math_tan; break;
      case AsmJSMathBuiltin_asin: native = math_asin; break;
      case AsmJSMathBuiltin_acos: native = math_acos; break;
      case AsmJSMathBuiltin_atan: native = math_atan; break;
      case AsmJSMathBuiltin_ceil: native = math_ceil; break;
      case AsmJSMathBuiltin_floor: native = math_floor; break;
      case AsmJSMathBuiltin_exp: native = math_exp; break;
      case AsmJSMathBuiltin_log: native = math_log; break;
      case AsmJSMathBuiltin_pow: native = js_math_pow; break;
      case AsmJSMathBuiltin_sqrt: native = js_math_sqrt; break;
      case AsmJSMathBuiltin_abs: native = js_math_abs; break;
      case AsmJSMathBuiltin_atan2: native = math_atan2; break;
      case AsmJSMathBuiltin_imul: native = math_imul; break;
      case AsmJSMathBuiltin_fround: native = math_fround; break;
    }

    if (!IsNativeFunction(v, native))
        return LinkFail(cx, "bad Math.* builtin");

    return true;
}