mirror of
https://github.com/matrix-construct/construct
synced 2024-08-23 10:04:47 +02:00
116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
/*
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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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#pragma once
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#define HAVE_IRCD_JS_SCRIPT_H
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namespace ircd {
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namespace js {
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string decompile(const JS::Handle<JSScript *> &, const char *const &name, const bool &pretty = false);
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namespace basic {
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template<lifetime L>
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struct script
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:root<JSScript *, L>
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{
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value<lifetime::stack> operator()(JS::AutoObjectVector &stack) const;
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value<lifetime::stack> operator()() const;
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using root<JSScript *, L>::root;
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script(const JS::CompileOptions &opts, const std::string &src); // new script
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script(JSScript *const &);
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script(JSScript &);
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};
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} // namespace basic
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using script = basic::script<lifetime::stack>;
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using heap_script = basic::script<lifetime::heap>;
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//
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// Implementation
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//
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namespace basic {
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template<lifetime L>
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script<L>::script(JSScript &val)
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:script<L>::root::type{&val}
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{
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}
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template<lifetime L>
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script<L>::script(JSScript *const &val)
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:script<L>::root::type{val}
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{
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if(unlikely(!this->get()))
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throw internal_error("NULL script");
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}
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template<lifetime L>
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script<L>::script(const JS::CompileOptions &opts,
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const std::string &src)
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:script<L>::root::type{}
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{
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if(!JS::Compile(*cx, opts, src.data(), src.size(), &(*this)))
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throw syntax_error("Failed to compile script");
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}
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template<lifetime L>
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value<lifetime::stack>
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script<L>::operator()()
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const
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{
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value<lifetime::stack> ret;
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if(!JS_ExecuteScript(*cx, *this, &ret))
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throw jserror(jserror::pending);
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return ret;
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}
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template<lifetime L>
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value<lifetime::stack>
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script<L>::operator()(JS::AutoObjectVector &stack)
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const
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{
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value<lifetime::stack> ret;
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if(!JS_ExecuteScript(*cx, stack, *this, &ret))
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throw jserror(jserror::pending);
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return ret;
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}
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} // namespace basic
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inline string
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decompile(const JS::Handle<JSScript *> &s,
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const char *const &name,
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const bool &pretty)
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{
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uint flags(0);
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flags |= pretty;
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return JS_DecompileScript(*cx, s, name, flags);
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}
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} // namespace js
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} // namespace ircd
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