pl_inlined.cc

#include "pl_eval.h"
#include "pl_inlined.h"
#include "ppport.h"

typedef int (*BeforeCB)(V8Context* ctx);

static struct {
    const char* file_name;
    const char* source;
} js_inlined[] = {
    {
        "c_eventloop.js", /* on my mac, this eval takes 574.697134 us avg */

        "/*\n"
        " *  C eventloop example (c_eventloop.c).\n"
        " *\n"
        " *  Ecmascript code to initialize the exposed API (setTimeout() etc) when\n"
        " *  using the C eventloop.\n"
        " *\n"
        " *  https://developer.mozilla.org/en-US/docs/Web/JavaScript/Timers\n"
        " */\n"
        "\n"
        "/*\n"
        " *  Timer API\n"
        " */\n"
        "\n"
        "function setTimeout(func, delay) {\n"
        "    var cb_func;\n"
        "    var bind_args;\n"
        "    var timer_id;\n"
        "\n"
        "    // Delay can be optional at least in some contexts, so tolerate that.\n"
        "    // https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout\n"
        "    if (typeof delay !== 'number') {\n"
        "        if (typeof delay === 'undefined') {\n"
        "            delay = 0;\n"
        "        } else {\n"
        "            throw new TypeError('invalid delay');\n"
        "        }\n"
        "    }\n"
        "\n"
        "    if (typeof func === 'string') {\n"
        "        // Legacy case: callback is a string.\n"
        "        cb_func = eval.bind(this, func);\n"
        "    } else if (typeof func !== 'function') {\n"
        "        throw new TypeError('callback is not a function/string');\n"
        "    } else if (arguments.length > 2) {\n"
        "        // Special case: callback arguments are provided.\n"
        "        bind_args = Array.prototype.slice.call(arguments, 2);  // [ arg1, arg2, ... ]\n"
        "        bind_args.unshift(this);  // [ global(this), arg1, arg2, ... ]\n"
        "        cb_func = func.bind.apply(func, bind_args);\n"
        "    } else {\n"
        "        // Normal case: callback given as a function without arguments.\n"
        "        cb_func = func;\n"
        "    }\n"
        "\n"
        "    timer_id = EventLoop.createTimer(cb_func, delay, true /*oneshot*/);\n"
        "\n"
        "    return timer_id;\n"
        "}\n"
        "\n"
        "function clearTimeout(timer_id) {\n"
        "    if (typeof timer_id !== 'number') {\n"
        "        throw new TypeError('timer ID is not a number');\n"
        "    }\n"
        "    var success = EventLoop.deleteTimer(timer_id);  /* retval ignored */\n"
        "}\n"
        "\n"
        "function setInterval(func, delay) {\n"
        "    var cb_func;\n"
        "    var bind_args;\n"
        "    var timer_id;\n"
        "\n"
        "    if (typeof delay !== 'number') {\n"
        "        if (typeof delay === 'undefined') {\n"
        "            delay = 0;\n"
        "        } else {\n"
        "            throw new TypeError('invalid delay');\n"
        "        }\n"
        "    }\n"
        "\n"
        "    if (typeof func === 'string') {\n"
        "        // Legacy case: callback is a string.\n"
        "        cb_func = eval.bind(this, func);\n"
        "    } else if (typeof func !== 'function') {\n"
        "        throw new TypeError('callback is not a function/string');\n"
        "    } else if (arguments.length > 2) {\n"
        "        // Special case: callback arguments are provided.\n"
        "        bind_args = Array.prototype.slice.call(arguments, 2);  // [ arg1, arg2, ... ]\n"
        "        bind_args.unshift(this);  // [ global(this), arg1, arg2, ... ]\n"
        "        cb_func = func.bind.apply(func, bind_args);\n"
        "    } else {\n"
        "        // Normal case: callback given as a function without arguments.\n"
        "        cb_func = func;\n"
        "    }\n"
        "\n"
        "    timer_id = EventLoop.createTimer(cb_func, delay, false /*oneshot*/);\n"
        "\n"
        "    return timer_id;\n"
        "}\n"
        "\n"
        "function clearInterval(timer_id) {\n"
        "    if (typeof timer_id !== 'number') {\n"
        "        throw new TypeError('timer ID is not a number');\n"
        "    }\n"
        "    EventLoop.deleteTimer(timer_id);\n"
        "}\n"
        "\n"
    },

    {
        "log_cyclic.js",

        "function JSON_stringify_with_cycles(obj) {\n"
        "  function getCircularReplacer() {\n"
        "    const seen = new WeakMap();\n"
        "    let count = 0;\n"
        "    return (key, value) => {\n"
        "      if (typeof value === \"object\" && value !== null) {\n"
        "        if (seen.has(value)) {\n"
        "          return \"<cycle\" + seen.get(value) + \">\";\n"
        "        }\n"
        "        seen.set(value, count++);\n"
        "      }\n"
        "      return value;\n"
        "    };\n"
        "  };\n"
        "\n"
        "  return JSON.stringify(obj, getCircularReplacer());\n"
        "};\n"
        "\n"
    },
};

void pl_register_inlined_functions(V8Context* ctx)
{
    size_t j = 0;
    dTHX;
    for (j = 0; j < sizeof(js_inlined) / sizeof(js_inlined[0]); ++j) {
        pl_eval(aTHX_ ctx, js_inlined[j].source, js_inlined[j].file_name);
    }
}