2016-10-11 06:28:16 +02:00
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/*
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* charybdis: standing on the shoulders of giant build times
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*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <js/Initialization.h> // JS_Init() / JS_ShutDown()
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#include <ircd/js/js.h>
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namespace ircd {
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namespace js {
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2016-10-16 01:53:44 +02:00
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// Location of the thread_local runtext. externs exist in js/runtime.h and js/context.h.
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// If these are null, js is not available on your thread.
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__thread runtime *rt;
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__thread context *cx;
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2016-10-12 09:04:26 +02:00
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// Location of the main JSRuntime instance. An extern reference to this exists in js/runtime.h.
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// It is null until js::init manually constructs (and later destructs) it.
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runtime main;
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// Location of the default/main JSContext instance. An extern reference to this exists in js/context.h.
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// Lifetime similar to main runtime
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context mc;
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// Logging facility for this submodule with SNOMASK.
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2016-10-11 06:28:16 +02:00
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struct log::log log
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{
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"js", 'J'
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};
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} // namespace js
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} // namespace ircd
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///////////////////////////////////////////////////////////////////////////////
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//
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// ircd/js.h - Without 3rd party (JSAPI) symbols
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//
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ircd::js::init::init()
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2016-10-19 02:11:55 +02:00
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try
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2016-10-11 06:28:16 +02:00
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{
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log.info("Initializing the JS engine [%s: %s]",
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"SpiderMonkey",
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version(ver::IMPLEMENTATION));
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if(!JS_Init())
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throw error("JS_Init(): failure");
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2016-10-12 09:04:26 +02:00
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2016-10-14 02:24:50 +02:00
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struct runtime::opts runtime_opts;
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struct context::opts context_opts;
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log.info("Initializing the main JS Runtime (main_maxbytes: %zu)",
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runtime_opts.maxbytes);
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2016-10-12 09:04:26 +02:00
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2016-10-14 02:24:50 +02:00
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main = runtime(runtime_opts);
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mc = context(main, context_opts);
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log.info("Initialized main JS Runtime and context (version: '%s')",
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version(mc));
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2016-10-19 02:11:55 +02:00
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{
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context::lock lock;
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ircd::mods::load("kernel");
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}
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}
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catch(...)
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{
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this->~init();
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throw;
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2016-10-11 06:28:16 +02:00
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}
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ircd::js::init::~init()
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noexcept
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{
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2016-10-19 02:11:55 +02:00
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if(cx && !!*cx)
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{
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context::lock lock;
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ircd::mods::unload("kernel");
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}
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2016-10-12 09:04:26 +02:00
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log.info("Terminating the main JS Runtime");
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2016-10-14 02:24:50 +02:00
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// Assign empty objects to free and reset
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mc = context{};
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main = runtime{};
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2016-10-12 09:04:26 +02:00
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2016-10-11 06:28:16 +02:00
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log.info("Terminating the JS engine");
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JS_ShutDown();
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}
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const char *
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ircd::js::version(const ver &type)
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{
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switch(type)
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{
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case ver::IMPLEMENTATION:
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return JS_GetImplementationVersion();
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default:
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throw error("version(): Unknown version type requested");
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}
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}
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2016-10-19 10:44:35 +02:00
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void
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__attribute__((noreturn))
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js::ReportOutOfMemory(ExclusiveContext *const c)
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{
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ircd::js::log.critical("jsalloc(): Reported out of memory (ExclusiveContext: %p)", (const void *)c);
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std::terminate();
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}
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2016-10-11 06:28:16 +02:00
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///////////////////////////////////////////////////////////////////////////////
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//
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// ircd/js/js.h - With 3rd party (JSAPI) symbols
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//
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2016-10-13 04:58:48 +02:00
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2016-10-15 07:44:42 +02:00
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///////////////////////////////////////////////////////////////////////////////
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//
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// ircd/js/trap.h
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//
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ircd::js::trap::trap(std::string name,
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const uint32_t &flags)
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:_name{std::move(name)}
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,_class
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{
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this->_name.c_str(),
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flags,
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2016-10-19 02:13:12 +02:00
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handle_add, // flags & JSCLASS_GLOBAL_FLAGS? nullptr : handle_add,
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2016-10-15 07:44:42 +02:00
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handle_del,
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handle_get,
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handle_set,
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handle_enu,
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2016-10-16 08:28:14 +02:00
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handle_has,
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2016-10-15 07:44:42 +02:00
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nullptr, // JSConvertOp - Obsolete since SpiderMonkey 44 // 45 = mayResolve?
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handle_dtor,
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handle_call,
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handle_inst,
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handle_ctor,
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2016-10-19 02:13:12 +02:00
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flags & JSCLASS_GLOBAL_FLAGS? JS_GlobalObjectTraceHook : handle_trace,
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2016-10-15 07:44:42 +02:00
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{ this } // reserved[0] TODO: ?????????
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}
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{
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}
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ircd::js::trap::~trap()
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noexcept
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{
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2016-10-16 09:12:57 +02:00
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// Must run GC here to force reclamation of objects before
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// the JSClass hosted by this trap destructs.
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run_gc(*rt);
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2016-10-15 07:44:42 +02:00
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}
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2016-10-19 02:17:29 +02:00
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ircd::js::object
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2016-10-16 01:53:44 +02:00
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ircd::js::trap::operator()()
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2016-10-15 07:44:42 +02:00
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{
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2016-10-19 02:17:29 +02:00
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return { &_class };
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2016-10-15 07:44:42 +02:00
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}
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2016-10-19 02:17:29 +02:00
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ircd::js::object
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ircd::js::trap::operator()(const object &proto)
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2016-10-15 07:44:42 +02:00
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{
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2016-10-19 02:17:29 +02:00
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return object { &_class, proto };
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2016-10-15 07:44:42 +02:00
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}
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void
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ircd::js::trap::handle_dtor(JSFreeOp *const op,
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JSObject *const obj)
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2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-18 03:43:23 +02:00
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auto &trap(from(*obj));
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trap.debug("dtor");
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}
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catch(const jserror &e)
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{
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e.set_pending();
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return;
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}
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catch(const std::exception &e)
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{
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auto &trap(from(*obj));
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trap.host_exception("dtor: %s", e.what());
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return;
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2016-10-15 07:44:42 +02:00
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}
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bool
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ircd::js::trap::handle_ctor(JSContext *const c,
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unsigned argc,
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JS::Value *const argv)
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2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-16 01:53:44 +02:00
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assert(&our(c) == cx);
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2016-10-16 08:28:14 +02:00
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//debug("ctor");
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2016-10-16 01:53:44 +02:00
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2016-10-15 07:44:42 +02:00
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return false;
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}
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2016-10-18 03:43:23 +02:00
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catch(const jserror &e)
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{
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e.set_pending();
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return false;
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}
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catch(const std::exception &e)
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{
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//auto &trap(from(obj));
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//trap.host_exception("call: %s", e.what());
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return false;
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}
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2016-10-15 07:44:42 +02:00
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bool
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ircd::js::trap::handle_call(JSContext *const c,
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unsigned argc,
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JS::Value *const argv)
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2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-16 01:53:44 +02:00
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assert(&our(c) == cx);
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2016-10-16 08:28:14 +02:00
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//debug("call");
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2016-10-16 01:53:44 +02:00
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2016-10-15 07:44:42 +02:00
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return false;
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}
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2016-10-18 03:43:23 +02:00
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catch(const jserror &e)
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{
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e.set_pending();
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return false;
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}
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catch(const std::exception &e)
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{
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//auto &trap(from(obj));
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//trap.host_exception("call: %s", e.what());
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return false;
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}
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2016-10-15 07:44:42 +02:00
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bool
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ircd::js::trap::handle_enu(JSContext *const c,
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JS::HandleObject obj)
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2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-16 01:53:44 +02:00
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assert(&our(c) == cx);
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2016-10-15 07:44:42 +02:00
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auto &trap(from(obj));
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2016-10-16 08:28:14 +02:00
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trap.debug("enu");
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2016-10-16 01:53:44 +02:00
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return trap.on_enu(*obj.get());
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2016-10-15 07:44:42 +02:00
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}
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2016-10-18 03:43:23 +02:00
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catch(const jserror &e)
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{
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e.set_pending();
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return false;
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}
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catch(const std::exception &e)
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{
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auto &trap(from(obj));
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trap.host_exception("enu: %s", e.what());
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return false;
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}
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2016-10-15 07:44:42 +02:00
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bool
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2016-10-16 08:28:14 +02:00
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ircd::js::trap::handle_has(JSContext *const c,
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2016-10-15 07:44:42 +02:00
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JS::HandleObject obj,
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JS::HandleId id,
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bool *const resolved)
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2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-16 01:53:44 +02:00
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assert(&our(c) == cx);
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2016-10-15 07:44:42 +02:00
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auto &trap(from(obj));
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2016-10-16 08:28:14 +02:00
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trap.debug("has: %s", string(id).c_str());
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2016-10-18 03:43:23 +02:00
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*resolved = trap.on_has(*obj.get(), id.get());
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return true;
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}
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catch(const jserror &e)
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{
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e.set_pending();
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return false;
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}
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catch(const std::exception &e)
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{
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auto &trap(from(obj));
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trap.host_exception("has: '%s': %s",
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string(id).c_str(),
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e.what());
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return false;
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2016-10-15 07:44:42 +02:00
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}
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bool
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ircd::js::trap::handle_del(JSContext *const c,
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JS::HandleObject obj,
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JS::HandleId id,
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JS::ObjectOpResult &res)
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2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-16 01:53:44 +02:00
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assert(&our(c) == cx);
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2016-10-15 07:44:42 +02:00
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auto &trap(from(obj));
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2016-10-16 08:28:14 +02:00
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trap.debug("del: %s", string(id).c_str());
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2016-10-18 03:43:23 +02:00
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if(trap.on_del(*obj.get(), id.get()))
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res.succeed();
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2016-10-15 07:44:42 +02:00
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return true;
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}
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2016-10-18 03:43:23 +02:00
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catch(const jserror &e)
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{
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e.set_pending();
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return false;
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}
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catch(const std::exception &e)
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{
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auto &trap(from(obj));
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trap.host_exception("del '%s': %s",
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string(id).c_str(),
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e.what());
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return false;
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}
|
2016-10-15 07:44:42 +02:00
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bool
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ircd::js::trap::handle_get(JSContext *const c,
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JS::HandleObject obj,
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JS::HandleId id,
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JS::MutableHandleValue val)
|
2016-10-18 03:43:23 +02:00
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noexcept try
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2016-10-15 07:44:42 +02:00
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{
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2016-10-16 01:53:44 +02:00
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assert(&our(c) == cx);
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2016-10-15 07:44:42 +02:00
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auto &trap(from(obj));
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2016-10-16 08:28:14 +02:00
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trap.debug("get: %s", string(id).c_str());
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2016-10-18 03:43:23 +02:00
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val.set(trap.on_get(*obj.get(), id.get(), val));
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|
|
|
return true;
|
|
|
|
}
|
|
|
|
catch(const jserror &e)
|
|
|
|
{
|
|
|
|
e.set_pending();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
catch(const std::exception &e)
|
|
|
|
{
|
|
|
|
auto &trap(from(obj));
|
|
|
|
trap.host_exception("get: '%s': %s",
|
|
|
|
string(id).c_str(),
|
|
|
|
e.what());
|
|
|
|
return false;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
ircd::js::trap::handle_set(JSContext *const c,
|
|
|
|
JS::HandleObject obj,
|
|
|
|
JS::HandleId id,
|
|
|
|
JS::MutableHandleValue val,
|
|
|
|
JS::ObjectOpResult &res)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept try
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
2016-10-16 01:53:44 +02:00
|
|
|
assert(&our(c) == cx);
|
|
|
|
|
2016-10-15 07:44:42 +02:00
|
|
|
auto &trap(from(obj));
|
2016-10-16 08:28:14 +02:00
|
|
|
trap.debug("set: %s", string(id).c_str());
|
2016-10-18 03:43:23 +02:00
|
|
|
val.set(trap.on_set(*obj.get(), id.get(), val));
|
|
|
|
if(!val.isUndefined())
|
|
|
|
res.succeed();
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
catch(const jserror &e)
|
|
|
|
{
|
|
|
|
e.set_pending();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
catch(const std::exception &e)
|
|
|
|
{
|
|
|
|
auto &trap(from(obj));
|
|
|
|
trap.host_exception("get: '%s': %s",
|
|
|
|
string(id).c_str(),
|
|
|
|
e.what());
|
|
|
|
return false;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
ircd::js::trap::handle_add(JSContext *const c,
|
|
|
|
JS::HandleObject obj,
|
|
|
|
JS::HandleId id,
|
|
|
|
JS::HandleValue val)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept try
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
2016-10-16 01:53:44 +02:00
|
|
|
assert(&our(c) == cx);
|
|
|
|
|
2016-10-15 07:44:42 +02:00
|
|
|
auto &trap(from(obj));
|
2016-10-16 08:28:14 +02:00
|
|
|
trap.debug("add: %s", string(id).c_str());
|
2016-10-18 03:43:23 +02:00
|
|
|
trap.on_add(*obj.get(), id.get(), val.get());
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
catch(const jserror &e)
|
|
|
|
{
|
|
|
|
e.set_pending();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
catch(const std::exception &e)
|
|
|
|
{
|
|
|
|
auto &trap(from(obj));
|
|
|
|
trap.host_exception("add: '%s': %s",
|
|
|
|
string(id).c_str(),
|
|
|
|
e.what());
|
|
|
|
return false;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
ircd::js::trap::handle_inst(JSContext *const c,
|
|
|
|
JS::HandleObject obj,
|
|
|
|
JS::MutableHandleValue val,
|
|
|
|
bool *const has_instance)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept try
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
2016-10-16 01:53:44 +02:00
|
|
|
assert(&our(c) == cx);
|
|
|
|
|
2016-10-16 08:28:14 +02:00
|
|
|
auto &trap(from(obj));
|
|
|
|
trap.debug("inst");
|
|
|
|
|
2016-10-15 07:44:42 +02:00
|
|
|
return false;
|
|
|
|
}
|
2016-10-18 03:43:23 +02:00
|
|
|
catch(const jserror &e)
|
|
|
|
{
|
|
|
|
e.set_pending();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
catch(const std::exception &e)
|
|
|
|
{
|
|
|
|
auto &trap(from(obj));
|
|
|
|
trap.host_exception("inst: %s", e.what());
|
|
|
|
return false;
|
|
|
|
}
|
2016-10-15 07:44:42 +02:00
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::trap::handle_trace(JSTracer *const tracer,
|
|
|
|
JSObject *const obj)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept try
|
|
|
|
{
|
|
|
|
auto &trap(from(*obj));
|
|
|
|
trap.debug("trace");
|
|
|
|
}
|
|
|
|
catch(const jserror &e)
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
2016-10-18 03:43:23 +02:00
|
|
|
e.set_pending();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
catch(const std::exception &e)
|
|
|
|
{
|
|
|
|
auto &trap(from(*obj));
|
|
|
|
trap.host_exception("trace: %s", e.what());
|
|
|
|
return;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::trap &
|
|
|
|
ircd::js::trap::from(const JS::HandleObject &o)
|
|
|
|
{
|
|
|
|
return from(*o.get());
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::trap &
|
|
|
|
ircd::js::trap::from(const JSObject &o)
|
|
|
|
{
|
|
|
|
auto *const c(JS_GetClass(const_cast<JSObject *>(&o)));
|
|
|
|
if(!c)
|
|
|
|
std::terminate(); //TODO: exception
|
|
|
|
|
|
|
|
if(!c->reserved[0])
|
|
|
|
std::terminate(); //TODO: exception
|
|
|
|
|
|
|
|
return *static_cast<trap *>(c->reserved[0]); //TODO: ???
|
|
|
|
}
|
|
|
|
|
2016-10-16 08:28:14 +02:00
|
|
|
void
|
|
|
|
ircd::js::trap::debug(const char *const fmt,
|
|
|
|
...)
|
|
|
|
const
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
|
|
|
|
|
|
char buf[1024];
|
|
|
|
vsnprintf(buf, sizeof(buf), fmt, ap);
|
|
|
|
log.debug("trap(%p) \"%s\": %s",
|
|
|
|
reinterpret_cast<const void *>(this),
|
|
|
|
name().c_str(),
|
|
|
|
buf);
|
|
|
|
|
|
|
|
va_end(ap);
|
|
|
|
}
|
|
|
|
|
2016-10-17 21:16:30 +02:00
|
|
|
void
|
|
|
|
ircd::js::trap::host_exception(const char *const fmt,
|
|
|
|
...)
|
|
|
|
const
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
|
|
|
|
|
|
char buf[1024];
|
|
|
|
vsnprintf(buf, sizeof(buf), fmt, ap);
|
|
|
|
log.error("trap(%p) \"%s\": %s",
|
|
|
|
reinterpret_cast<const void *>(this),
|
|
|
|
name().c_str(),
|
|
|
|
buf);
|
|
|
|
|
|
|
|
JS_ReportError(*cx, "BUG: trap(%p) \"%s\" %s",
|
|
|
|
reinterpret_cast<const void *>(this),
|
|
|
|
name().c_str(),
|
|
|
|
buf);
|
|
|
|
|
|
|
|
va_end(ap);
|
|
|
|
}
|
|
|
|
|
2016-10-15 07:44:42 +02:00
|
|
|
bool
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_ctor(const unsigned &argc,
|
2016-10-15 07:44:42 +02:00
|
|
|
JS::Value &argv)
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_call(const unsigned &argc,
|
2016-10-15 07:44:42 +02:00
|
|
|
JS::Value &argv)
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_enu(const JSObject &obj)
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
2016-10-16 08:28:14 +02:00
|
|
|
ircd::js::trap::on_has(const JSObject &obj,
|
2016-10-18 03:43:23 +02:00
|
|
|
const jsid &id)
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_del(const JSObject &obj,
|
2016-10-15 07:44:42 +02:00
|
|
|
const jsid &id)
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2016-10-18 03:43:23 +02:00
|
|
|
JS::Value
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_get(const JSObject &obj,
|
2016-10-15 07:44:42 +02:00
|
|
|
const jsid &id,
|
2016-10-18 03:43:23 +02:00
|
|
|
const JS::Value &val)
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
2016-10-18 03:43:23 +02:00
|
|
|
return val;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
2016-10-18 03:43:23 +02:00
|
|
|
JS::Value
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_set(const JSObject &obj,
|
2016-10-15 07:44:42 +02:00
|
|
|
const jsid &id,
|
2016-10-18 03:43:23 +02:00
|
|
|
const JS::Value &val)
|
2016-10-15 07:44:42 +02:00
|
|
|
{
|
2016-10-18 03:43:23 +02:00
|
|
|
return val;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
2016-10-18 03:43:23 +02:00
|
|
|
JS::Value
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::trap::on_add(const JSObject &obj,
|
2016-10-15 07:44:42 +02:00
|
|
|
const jsid &id,
|
|
|
|
const JS::Value &val)
|
|
|
|
{
|
2016-10-18 03:43:23 +02:00
|
|
|
return val;
|
2016-10-15 07:44:42 +02:00
|
|
|
}
|
|
|
|
|
2016-10-19 03:00:25 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/script.h
|
|
|
|
//
|
|
|
|
|
|
|
|
ircd::js::script::script(const JS::CompileOptions &opts,
|
|
|
|
const std::string &src)
|
|
|
|
:JS::Rooted<JSScript *>{*cx}
|
|
|
|
{
|
|
|
|
if(!JS::Compile(*cx, opts, src.data(), src.size(), &(*this)))
|
|
|
|
throw syntax_error("Failed to compile script");
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::script::operator()()
|
|
|
|
const
|
|
|
|
{
|
|
|
|
value ret;
|
|
|
|
if(!JS_ExecuteScript(*cx, *this, &ret))
|
|
|
|
throw internal_error("Failed to execute script");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::script::operator()(JS::AutoObjectVector &stack)
|
|
|
|
const
|
|
|
|
{
|
|
|
|
value ret;
|
|
|
|
if(!JS_ExecuteScript(*cx, stack, *this, &ret))
|
|
|
|
throw internal_error("Failed to execute script");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2016-10-19 02:17:29 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/function.h
|
|
|
|
//
|
|
|
|
|
|
|
|
ircd::js::function::function(JS::AutoObjectVector &stack,
|
|
|
|
const JS::CompileOptions &opts,
|
|
|
|
const char *const &name,
|
|
|
|
const std::vector<std::string> &args,
|
|
|
|
const std::string &src)
|
|
|
|
:JS::Rooted<JSFunction *>{*cx}
|
|
|
|
{
|
|
|
|
std::vector<const char *> argp(args.size());
|
|
|
|
std::transform(begin(args), end(args), begin(argp), []
|
|
|
|
(const std::string &arg)
|
|
|
|
{
|
|
|
|
return arg.data();
|
|
|
|
});
|
|
|
|
|
|
|
|
if(!JS::CompileFunction(*cx,
|
|
|
|
stack,
|
|
|
|
opts,
|
|
|
|
name,
|
|
|
|
argp.size(),
|
|
|
|
&argp.front(),
|
|
|
|
src.data(),
|
|
|
|
src.size(),
|
|
|
|
&(*this)))
|
|
|
|
{
|
|
|
|
throw syntax_error("Failed to compile function");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-10-19 03:00:25 +02:00
|
|
|
ircd::js::value
|
|
|
|
ircd::js::function::operator()(const object &that)
|
|
|
|
const
|
|
|
|
{
|
|
|
|
return operator()(that, JS::HandleValueArray::empty());
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::function::operator()(const object &that,
|
|
|
|
const JS::HandleValueArray &args)
|
|
|
|
const
|
|
|
|
{
|
|
|
|
value ret;
|
|
|
|
if(!JS_CallFunction(*cx, that, *this, args, &ret))
|
|
|
|
throw internal_error("Failed to call Function");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/call.h
|
|
|
|
//
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::call(const object &obj,
|
|
|
|
const JS::HandleFunction &func,
|
|
|
|
const JS::HandleValueArray &args)
|
|
|
|
{
|
|
|
|
value ret;
|
|
|
|
if(!JS_CallFunction(*cx, obj, func, args, &ret))
|
|
|
|
throw internal_error("Failed to call function");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::call(const object &obj,
|
|
|
|
const JS::HandleValue &val,
|
|
|
|
const JS::HandleValueArray &args)
|
|
|
|
{
|
|
|
|
value ret;
|
|
|
|
if(!JS_CallFunctionValue(*cx, obj, val, args, &ret))
|
|
|
|
throw internal_error("Failed to apply function value to object");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::call(const object &obj,
|
|
|
|
const char *const &name,
|
|
|
|
const JS::HandleValueArray &args)
|
|
|
|
{
|
|
|
|
value ret;
|
|
|
|
if(!JS_CallFunctionName(*cx, obj, name, args, &ret))
|
|
|
|
throw reference_error("Failed to call function \"%s\"", name);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::value
|
|
|
|
ircd::js::call(const object &obj,
|
|
|
|
const std::string &name,
|
|
|
|
const JS::HandleValueArray &args)
|
|
|
|
{
|
|
|
|
return call(obj, name.c_str(), args);
|
|
|
|
}
|
|
|
|
|
2016-10-17 21:14:35 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/string.h
|
|
|
|
//
|
|
|
|
|
2016-10-20 02:05:58 +02:00
|
|
|
const size_t ircd::js::string::CBUFSZ
|
|
|
|
{
|
|
|
|
1024
|
|
|
|
};
|
|
|
|
|
2016-10-19 02:17:29 +02:00
|
|
|
const char *
|
|
|
|
ircd::js::string::c_str()
|
|
|
|
const
|
|
|
|
{
|
|
|
|
static thread_local char cbuf[CBUFS][CBUFSZ];
|
|
|
|
static thread_local size_t ctr;
|
|
|
|
|
|
|
|
char *const buf(cbuf[ctr]);
|
2016-10-20 02:05:58 +02:00
|
|
|
native(get(), buf, CBUFSZ);
|
2016-10-19 02:17:29 +02:00
|
|
|
ctr = (ctr + 1) % CBUFS;
|
|
|
|
return buf;
|
|
|
|
}
|
|
|
|
|
|
|
|
std::u16string
|
|
|
|
ircd::js::string::convert(const std::string &s)
|
2016-10-17 21:14:35 +02:00
|
|
|
{
|
|
|
|
static std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> converter;
|
|
|
|
|
2016-10-20 02:05:58 +02:00
|
|
|
return converter.from_bytes(s);
|
2016-10-17 21:14:35 +02:00
|
|
|
}
|
|
|
|
|
2016-10-19 02:17:29 +02:00
|
|
|
std::u16string
|
|
|
|
ircd::js::string::convert(const char *const &s)
|
2016-10-17 21:14:35 +02:00
|
|
|
{
|
|
|
|
static std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> converter;
|
|
|
|
|
2016-10-20 02:05:58 +02:00
|
|
|
return s? converter.from_bytes(s) : std::u16string{};
|
2016-10-17 21:14:35 +02:00
|
|
|
}
|
|
|
|
|
2016-10-19 02:17:29 +02:00
|
|
|
std::string
|
|
|
|
ircd::js::string::convert(const std::u16string &s)
|
2016-10-17 21:14:35 +02:00
|
|
|
{
|
|
|
|
static std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> converter;
|
|
|
|
|
2016-10-20 02:05:58 +02:00
|
|
|
return converter.to_bytes(s);
|
2016-10-17 21:14:35 +02:00
|
|
|
}
|
|
|
|
|
2016-10-19 02:17:29 +02:00
|
|
|
std::string
|
|
|
|
ircd::js::string::convert(const char16_t *const &s)
|
2016-10-17 21:14:35 +02:00
|
|
|
{
|
|
|
|
static std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> converter;
|
|
|
|
|
2016-10-20 02:05:58 +02:00
|
|
|
return s? converter.to_bytes(s) : std::string{};
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t
|
|
|
|
ircd::js::string::convert(const char16_t *const &str,
|
|
|
|
char *const &buf,
|
|
|
|
const size_t &max)
|
|
|
|
{
|
|
|
|
static std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> converter;
|
|
|
|
|
|
|
|
//TODO: optimize
|
|
|
|
const auto s(converter.to_bytes(str));
|
|
|
|
return rb_strlcpy(buf, s.c_str(), max);
|
|
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/value.h
|
|
|
|
//
|
|
|
|
|
|
|
|
std::string
|
|
|
|
ircd::js::native(const JSString *const &s)
|
|
|
|
{
|
|
|
|
std::string ret(native_size(s) + 1, char());
|
|
|
|
native(s, &ret.front(), ret.size());
|
|
|
|
ret.resize(ret.size() - 1);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t
|
|
|
|
ircd::js::native(const JSString *const &s,
|
|
|
|
char *const &buf,
|
|
|
|
const size_t &max)
|
|
|
|
{
|
|
|
|
if(unlikely(!max))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
ssize_t ret(JS_EncodeStringToBuffer(*cx, const_cast<JSString *>(s), buf, max));
|
|
|
|
ret = std::max(ret, ssize_t(0));
|
|
|
|
ret = std::min(ret, ssize_t(max - 1));
|
|
|
|
buf[ret] = '\0';
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t
|
|
|
|
ircd::js::native_size(const JSString *const &s)
|
|
|
|
{
|
|
|
|
return JS_GetStringEncodingLength(*cx, const_cast<JSString *>(s));
|
2016-10-17 21:14:35 +02:00
|
|
|
}
|
|
|
|
|
2016-10-17 21:16:30 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/error.h
|
|
|
|
//
|
|
|
|
|
|
|
|
ircd::js::error_handler::error_handler(closure &&handler)
|
|
|
|
:theirs{rt->error_handler}
|
|
|
|
,handler{std::move(handler)}
|
|
|
|
{
|
|
|
|
rt->error_handler = this;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::error_handler::error_handler(const closure &handler)
|
|
|
|
:theirs{rt->error_handler}
|
|
|
|
,handler{handler}
|
|
|
|
{
|
|
|
|
rt->error_handler = this;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::error_handler::~error_handler()
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
assert(rt->error_handler == this);
|
|
|
|
rt->error_handler = theirs;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::jserror::jserror(generate_skip_t)
|
|
|
|
:ircd::js::error(generate_skip)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::jserror::jserror(const char *const fmt,
|
|
|
|
...)
|
|
|
|
:ircd::js::error(generate_skip)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
|
|
generate(JSEXN_ERR, fmt, ap);
|
|
|
|
va_end(ap);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::jserror::set_pending()
|
|
|
|
const
|
|
|
|
{
|
|
|
|
JS::RootedValue ex(*cx, create_error());
|
|
|
|
JS_SetPendingException(*cx, ex);
|
|
|
|
}
|
|
|
|
|
|
|
|
JS::Value
|
|
|
|
ircd::js::jserror::create_error(const JS::HandleObject &stack,
|
|
|
|
const JS::HandleString &file,
|
|
|
|
const std::pair<uint, uint> &linecol)
|
|
|
|
const
|
|
|
|
{
|
|
|
|
JS::RootedValue ret(*cx);
|
|
|
|
JS::RootedString msg(*cx);
|
|
|
|
const auto type((JSExnType)report.exnType);
|
|
|
|
const auto &line(linecol.first);
|
|
|
|
const auto &col(linecol.second);
|
|
|
|
if(!JS::CreateError(*cx, type, stack, file, line, col, const_cast<JSErrorReport *>(&report), msg, &ret))
|
|
|
|
throw error("Failed to construct jserror exception!");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
JS::Value
|
|
|
|
ircd::js::jserror::create_error()
|
|
|
|
const
|
|
|
|
{
|
|
|
|
JS::RootedObject stack(*cx);
|
|
|
|
JS::RootedString file(*cx);
|
|
|
|
return create_error(stack, file, {0, 0});
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::jserror::generate(const JSExnType &type,
|
|
|
|
const char *const &fmt,
|
|
|
|
va_list ap)
|
|
|
|
{
|
|
|
|
ircd::exception::generate(fmt, ap);
|
2016-10-19 02:17:29 +02:00
|
|
|
msg = string::convert(what());
|
2016-10-17 21:16:30 +02:00
|
|
|
report.ucmessage = msg.c_str();
|
|
|
|
report.exnType = type;
|
|
|
|
}
|
|
|
|
|
2016-10-15 03:00:12 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/debug.h
|
|
|
|
//
|
|
|
|
|
|
|
|
std::string
|
|
|
|
ircd::js::debug(const JSErrorReport &r)
|
|
|
|
{
|
|
|
|
std::stringstream ss;
|
|
|
|
|
|
|
|
if(JSREPORT_IS_WARNING(r.flags))
|
|
|
|
ss << "WARNING ";
|
|
|
|
|
|
|
|
if(JSREPORT_IS_EXCEPTION(r.flags))
|
|
|
|
ss << "EXCEPTION ";
|
|
|
|
|
|
|
|
if(JSREPORT_IS_STRICT(r.flags))
|
|
|
|
ss << "STRICT ";
|
|
|
|
|
|
|
|
if(JSREPORT_IS_STRICT_MODE_ERROR(r.flags))
|
|
|
|
ss << "STRICT_MODE_ERROR ";
|
|
|
|
|
|
|
|
if(r.isMuted)
|
|
|
|
ss << "MUTED ";
|
|
|
|
|
|
|
|
if(r.filename)
|
|
|
|
ss << "file[" << r.filename << "] ";
|
|
|
|
|
|
|
|
if(r.lineno)
|
|
|
|
ss << "line[" << r.lineno << "] ";
|
|
|
|
|
|
|
|
if(r.column)
|
|
|
|
ss << "col[" << r.column << "] ";
|
|
|
|
|
|
|
|
if(r.linebuf())
|
|
|
|
ss << "code[" << r.linebuf() << "] ";
|
|
|
|
|
|
|
|
//if(r.tokenptr)
|
|
|
|
// ss << "toke[" << r.tokenptr << "] ";
|
|
|
|
|
|
|
|
if(r.errorNumber)
|
|
|
|
ss << "errnum[" << r.errorNumber << "] ";
|
|
|
|
|
|
|
|
if(r.exnType)
|
|
|
|
ss << reflect(JSExnType(r.exnType)) << " ";
|
|
|
|
|
2016-10-17 21:14:35 +02:00
|
|
|
if(r.ucmessage)
|
2016-10-19 02:17:29 +02:00
|
|
|
ss << "\"" << string::convert(r.ucmessage) << "\" ";
|
2016-10-15 03:00:12 +02:00
|
|
|
|
2016-10-17 21:14:35 +02:00
|
|
|
for(auto it(r.messageArgs); it && *it; ++it)
|
2016-10-19 02:17:29 +02:00
|
|
|
ss << "\"" << string::convert(*it) << "\" ";
|
2016-10-15 03:00:12 +02:00
|
|
|
|
|
|
|
return ss.str();
|
|
|
|
}
|
|
|
|
|
|
|
|
std::string
|
|
|
|
ircd::js::debug(const JS::HandleObject &o)
|
|
|
|
{
|
|
|
|
std::stringstream ss;
|
|
|
|
|
|
|
|
if(JS_IsGlobalObject(o)) ss << "Global ";
|
|
|
|
if(JS_IsNative(o)) ss << "Native ";
|
|
|
|
if(JS::IsCallable(o)) ss << "Callable ";
|
|
|
|
if(JS::IsConstructor(o)) ss << "Constructor ";
|
|
|
|
|
|
|
|
bool ret;
|
|
|
|
if(JS_IsExtensible(*cx, o, &ret) && ret)
|
|
|
|
ss << "Extensible ";
|
|
|
|
|
|
|
|
if(JS_IsArrayObject(*cx, o, &ret) && ret)
|
|
|
|
ss << "Array ";
|
|
|
|
|
|
|
|
return ss.str();
|
|
|
|
}
|
|
|
|
|
|
|
|
std::string
|
|
|
|
ircd::js::debug(const JS::Value &v)
|
|
|
|
{
|
|
|
|
std::stringstream ss;
|
|
|
|
|
|
|
|
if(v.isNull()) ss << "Null ";
|
|
|
|
if(v.isUndefined()) ss << "Undefined ";
|
|
|
|
if(v.isBoolean()) ss << "Boolean ";
|
|
|
|
if(v.isTrue()) ss << "TrueValue ";
|
|
|
|
if(v.isFalse()) ss << "FalseValue ";
|
|
|
|
if(v.isNumber()) ss << "Number ";
|
|
|
|
if(v.isDouble()) ss << "Double ";
|
|
|
|
if(v.isInt32()) ss << "Int32 ";
|
|
|
|
if(v.isString()) ss << "String ";
|
|
|
|
if(v.isObject()) ss << "Object ";
|
|
|
|
if(v.isSymbol()) ss << "Symbol ";
|
|
|
|
|
|
|
|
return ss.str();
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
ircd::js::reflect(const JSFinalizeStatus &s)
|
|
|
|
{
|
|
|
|
switch(s)
|
|
|
|
{
|
|
|
|
case JSFINALIZE_GROUP_START: return "GROUP_START";
|
|
|
|
case JSFINALIZE_GROUP_END: return "GROUP_END";
|
|
|
|
case JSFINALIZE_COLLECTION_END: return "COLLECTION_END";
|
|
|
|
}
|
|
|
|
|
|
|
|
return "????";
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
ircd::js::reflect(const JSGCStatus &s)
|
|
|
|
{
|
|
|
|
switch(s)
|
|
|
|
{
|
|
|
|
case JSGC_BEGIN: return "BEGIN";
|
|
|
|
case JSGC_END: return "END";
|
|
|
|
}
|
|
|
|
|
|
|
|
return "????";
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
ircd::js::reflect(const JSExnType &e)
|
|
|
|
{
|
|
|
|
switch(e)
|
|
|
|
{
|
|
|
|
case JSEXN_NONE: return "?NONE?";
|
|
|
|
case JSEXN_ERR: return "Error";
|
|
|
|
case JSEXN_INTERNALERR: return "InternalError";
|
|
|
|
case JSEXN_EVALERR: return "EvalError";
|
|
|
|
case JSEXN_RANGEERR: return "RangeError";
|
|
|
|
case JSEXN_REFERENCEERR: return "ReferenceError";
|
|
|
|
case JSEXN_SYNTAXERR: return "SyntaxError";
|
|
|
|
case JSEXN_TYPEERR: return "TypeError";
|
|
|
|
case JSEXN_URIERR: return "URIError";
|
|
|
|
case JSEXN_LIMIT: return "?LIMIT?";
|
|
|
|
}
|
|
|
|
|
|
|
|
return "????";
|
|
|
|
}
|
|
|
|
|
2016-10-16 03:44:51 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/compartment.h
|
|
|
|
//
|
|
|
|
|
|
|
|
ircd::js::compartment::compartment(JSObject *const &obj)
|
|
|
|
:compartment(obj, *cx)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::compartment::compartment(JSObject *const &obj,
|
|
|
|
context &c)
|
|
|
|
:c{&c}
|
|
|
|
,prev{JS_EnterCompartment(c, obj)}
|
|
|
|
,ours{JS_EnterCompartment(c, obj)} // Enter same object compartment again to get its own ptr
|
|
|
|
,cprev{static_cast<compartment *>(JS_GetCompartmentPrivate(ours))}
|
|
|
|
{
|
|
|
|
JS_SetCompartmentPrivate(ours, this);
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::compartment::compartment(compartment &&other)
|
|
|
|
noexcept
|
|
|
|
:c{std::move(other.c)}
|
|
|
|
,prev{std::move(other.prev)}
|
|
|
|
,ours{std::move(other.ours)}
|
|
|
|
,cprev{std::move(other.cprev)}
|
|
|
|
{
|
|
|
|
JS_SetCompartmentPrivate(ours, this);
|
|
|
|
other.ours = nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::compartment::~compartment()
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
// branch not taken on std::move()
|
|
|
|
if(ours)
|
|
|
|
{
|
|
|
|
JS_SetCompartmentPrivate(ours, cprev);
|
|
|
|
JS_LeaveCompartment(*c, prev);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::for_each_compartment_our(const compartment::closure_our &closure)
|
|
|
|
{
|
|
|
|
for_each_compartment([&closure]
|
|
|
|
(JSCompartment *const &c)
|
|
|
|
{
|
|
|
|
if(our(c))
|
|
|
|
closure(*our(c));
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::for_each_compartment(const compartment::closure &closure)
|
|
|
|
{
|
|
|
|
JS_IterateCompartments(*rt,
|
|
|
|
const_cast<compartment::closure *>(&closure),
|
|
|
|
compartment::handle_iterate);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::compartment::handle_iterate(JSRuntime *const rt,
|
|
|
|
void *const priv,
|
|
|
|
JSCompartment *const c)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-16 03:44:51 +02:00
|
|
|
{
|
|
|
|
const auto &closure(*static_cast<compartment::closure *>(priv));
|
|
|
|
closure(c);
|
|
|
|
}
|
|
|
|
|
2016-10-13 04:58:48 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/context.h
|
|
|
|
//
|
|
|
|
|
2016-10-14 02:24:50 +02:00
|
|
|
ircd::js::context::context(JSRuntime *const &runtime,
|
|
|
|
const struct opts &opts)
|
|
|
|
:custom_ptr<JSContext>
|
|
|
|
{
|
|
|
|
JS_NewContext(runtime, opts.stack_chunk_size),
|
|
|
|
[opts](JSContext *const ctx) //TODO: old gcc/clang can't copy from opts.dtor_gc
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
if(!ctx)
|
|
|
|
return;
|
|
|
|
|
|
|
|
// Free the user's privdata managed object
|
|
|
|
delete static_cast<const privdata *>(JS_GetSecondContextPrivate(ctx));
|
|
|
|
|
|
|
|
if(opts.dtor_gc)
|
|
|
|
JS_DestroyContext(ctx);
|
|
|
|
else
|
|
|
|
JS_DestroyContextNoGC(ctx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
,opts{opts}
|
|
|
|
{
|
2016-10-16 01:53:44 +02:00
|
|
|
assert(&our(runtime) == rt); // Trying to construct on thread without runtime thread_local
|
|
|
|
|
|
|
|
// Use their privdata pointer to point to our instance. We can then use our(JSContext*)
|
|
|
|
// to get back to `this` instance. Remember the pointer must change when this class is
|
|
|
|
// std::move()'ed etc via the move constructor/assignment.
|
2016-10-14 02:24:50 +02:00
|
|
|
JS_SetContextPrivate(get(), this);
|
2016-10-16 01:53:44 +02:00
|
|
|
|
|
|
|
// Assign the thread_local here.
|
|
|
|
cx = this;
|
2016-10-14 02:24:50 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::context::context(context &&other)
|
|
|
|
noexcept
|
|
|
|
:custom_ptr<JSContext>{std::move(other)}
|
|
|
|
,opts{std::move(other.opts)}
|
|
|
|
{
|
|
|
|
// Branch not taken for null/defaulted instance of JSContext smart ptr
|
|
|
|
if(!!*this)
|
|
|
|
JS_SetContextPrivate(get(), this);
|
2016-10-16 01:53:44 +02:00
|
|
|
|
|
|
|
// Ensure the thread_local points here now.
|
|
|
|
cx = this;
|
2016-10-14 02:24:50 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::context &
|
|
|
|
ircd::js::context::operator=(context &&other)
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
static_cast<custom_ptr<JSContext> &>(*this) = std::move(other);
|
|
|
|
opts = std::move(other.opts);
|
|
|
|
|
|
|
|
// Branch not taken for null/defaulted instance of JSContext smart ptr
|
|
|
|
if(!!*this)
|
|
|
|
JS_SetContextPrivate(get(), this);
|
|
|
|
|
2016-10-16 01:53:44 +02:00
|
|
|
// Ensure the thread_local points here now.
|
|
|
|
cx = this;
|
|
|
|
|
2016-10-14 02:24:50 +02:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::context::~context()
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
// Branch not taken on std::move()
|
|
|
|
if(!!*this)
|
|
|
|
cx = nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::context::lock::lock()
|
|
|
|
:lock{*cx}
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::context::lock::lock(context &c)
|
|
|
|
:c{&c}
|
|
|
|
{
|
|
|
|
JS_BeginRequest(c);
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::context::lock::~lock()
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
JS_EndRequest(*c);
|
|
|
|
}
|
|
|
|
|
2016-10-13 04:58:48 +02:00
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
|
|
|
// ircd/js/runtime.h
|
|
|
|
//
|
|
|
|
|
2016-10-14 02:24:50 +02:00
|
|
|
ircd::js::runtime::runtime(const struct opts &opts)
|
|
|
|
:custom_ptr<JSRuntime>
|
|
|
|
{
|
|
|
|
JS_NewRuntime(opts.maxbytes),
|
|
|
|
JS_DestroyRuntime
|
|
|
|
}
|
2016-10-17 21:16:30 +02:00
|
|
|
,error_handler{nullptr}
|
|
|
|
,opts{opts}
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
2016-10-16 01:53:44 +02:00
|
|
|
// We use their privdata to find `this` via our(JSRuntime*) function.
|
|
|
|
// Any additional user privdata will have to ride a member in this class itself.
|
2016-10-14 02:24:50 +02:00
|
|
|
JS_SetRuntimePrivate(get(), this);
|
|
|
|
|
2016-10-16 01:53:44 +02:00
|
|
|
// Assign the thread_local runtime pointer here.
|
|
|
|
rt = this;
|
|
|
|
|
2016-10-14 02:24:50 +02:00
|
|
|
JS_SetErrorReporter(get(), handle_error);
|
|
|
|
JS::SetOutOfMemoryCallback(get(), handle_out_of_memory, nullptr);
|
|
|
|
JS::SetLargeAllocationFailureCallback(get(), handle_large_allocation_failure, nullptr);
|
|
|
|
JS_SetGCCallback(get(), handle_gc, nullptr);
|
|
|
|
JS_AddFinalizeCallback(get(), handle_finalize, nullptr);
|
2016-10-16 03:44:51 +02:00
|
|
|
JS_SetCompartmentNameCallback(get(), handle_compartment_name);
|
|
|
|
JS_SetDestroyCompartmentCallback(get(), handle_compartment_destroy);
|
2016-10-14 02:24:50 +02:00
|
|
|
JS_SetContextCallback(get(), handle_context, nullptr);
|
2016-10-15 03:00:12 +02:00
|
|
|
//JS_SetInterruptCallback(get(), nullptr);
|
2016-10-14 02:24:50 +02:00
|
|
|
|
|
|
|
JS_SetNativeStackQuota(get(), opts.code_stack_max, opts.trusted_stack_max, opts.untrusted_stack_max);
|
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::runtime::runtime(runtime &&other)
|
|
|
|
noexcept
|
|
|
|
:custom_ptr<JSRuntime>{std::move(other)}
|
2016-10-17 21:16:30 +02:00
|
|
|
,error_handler{nullptr}
|
|
|
|
,opts{std::move(other.opts)}
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
// Branch not taken for null/defaulted instance of JSRuntime smart ptr
|
|
|
|
if(!!*this)
|
|
|
|
JS_SetRuntimePrivate(get(), this);
|
2016-10-16 01:53:44 +02:00
|
|
|
|
|
|
|
// Ensure the thread_local runtime always points here
|
|
|
|
rt = this;
|
2016-10-14 02:24:50 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
ircd::js::runtime &
|
|
|
|
ircd::js::runtime::operator=(runtime &&other)
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
static_cast<custom_ptr<JSRuntime> &>(*this) = std::move(other);
|
2016-10-17 21:16:30 +02:00
|
|
|
error_handler = std::move(other.error_handler);
|
2016-10-14 02:24:50 +02:00
|
|
|
opts = std::move(other.opts);
|
|
|
|
|
|
|
|
// Branch not taken for null/defaulted instance of JSRuntime smart ptr
|
|
|
|
if(!!*this)
|
|
|
|
JS_SetRuntimePrivate(get(), this);
|
|
|
|
|
2016-10-16 01:53:44 +02:00
|
|
|
// Ensure the thread_local runtime always points here
|
|
|
|
rt = this;
|
|
|
|
|
2016-10-14 02:24:50 +02:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2016-10-16 01:53:44 +02:00
|
|
|
ircd::js::runtime::~runtime()
|
|
|
|
noexcept
|
|
|
|
{
|
|
|
|
// Branch not taken on std::move()
|
|
|
|
if(!!*this)
|
|
|
|
rt = nullptr;
|
|
|
|
}
|
|
|
|
|
2016-10-14 02:24:50 +02:00
|
|
|
bool
|
|
|
|
ircd::js::runtime::handle_interrupt(JSContext *const ctx)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
auto &runtime(our(ctx).runtime());
|
|
|
|
JS_SetInterruptCallback(runtime, nullptr);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
ircd::js::runtime::handle_context(JSContext *const c,
|
|
|
|
const uint op,
|
|
|
|
void *const priv)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2016-10-16 03:44:51 +02:00
|
|
|
ircd::js::runtime::handle_compartment_destroy(JSFreeOp *const fop,
|
|
|
|
JSCompartment *const compartment)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2016-10-16 03:44:51 +02:00
|
|
|
ircd::js::runtime::handle_compartment_name(JSRuntime *const rt,
|
|
|
|
JSCompartment *const compartment,
|
|
|
|
char *const buf,
|
|
|
|
const size_t max)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::runtime::handle_finalize(JSFreeOp *const fop,
|
|
|
|
const JSFinalizeStatus status,
|
|
|
|
const bool is_compartment,
|
|
|
|
void *const priv)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
2016-10-15 03:00:12 +02:00
|
|
|
log.debug("fop(%p): %s %s",
|
|
|
|
(const void *)fop,
|
|
|
|
reflect(status),
|
|
|
|
is_compartment? "COMPARTMENT" : "");
|
2016-10-14 02:24:50 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::runtime::handle_gc(JSRuntime *const rt,
|
|
|
|
const JSGCStatus status,
|
|
|
|
void *const priv)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
2016-10-15 03:00:12 +02:00
|
|
|
log.debug("runtime(%p): GC %s",
|
|
|
|
(const void *)rt,
|
|
|
|
reflect(status));
|
2016-10-14 02:24:50 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::runtime::handle_large_allocation_failure(void *const priv)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
log.error("Large allocation failure");
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ircd::js::runtime::handle_out_of_memory(JSContext *const ctx,
|
|
|
|
void *const priv)
|
2016-10-18 03:43:23 +02:00
|
|
|
noexcept
|
2016-10-14 02:24:50 +02:00
|
|
|
{
|
|
|
|
log.error("JSContext(%p): out of memory", (const void *)ctx);
|
|
|
|
}
|
|
|
|
|
2016-10-13 04:58:48 +02:00
|
|
|
void
|
|
|
|
ircd::js::runtime::handle_error(JSContext *const ctx,
|
|
|
|
const char *const msg,
|
|
|
|
JSErrorReport *const report)
|
2016-10-17 21:16:30 +02:00
|
|
|
noexcept
|
2016-10-13 04:58:48 +02:00
|
|
|
{
|
2016-10-17 21:16:30 +02:00
|
|
|
if(!rt->error_handler)
|
|
|
|
{
|
|
|
|
log.error("Unhandled: JSContext(%p): %s [%s]", (const void *)ctx, msg, debug(*report).c_str());
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
assert(report);
|
|
|
|
rt->error_handler->handler(msg, *report);
|
2016-10-13 04:58:48 +02:00
|
|
|
}
|