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https://gitea.wildfiregames.com/0ad/0ad
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4b1297b328
Each GUI Page gets its own compartment and all ScriptInterfaces in the same thread should now use the same JS Runtime. This is required for the SpiderMonkey upgrade. Check the ticket for details. Closes #2241 Refs #1886 Refs #1966 This was SVN commit r14496.
70 lines
3.5 KiB
C++
70 lines
3.5 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <boost/preprocessor/punctuation/comma_if.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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// Define lots of useful macros:
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// Varieties of comma-separated list to fit on the head/tail/whole of another comma-separated list
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#define NUMBERED_LIST_HEAD(z, i, data) data##i,
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#define NUMBERED_LIST_TAIL(z, i, data) ,data##i
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#define NUMBERED_LIST_BALANCED(z, i, data) BOOST_PP_COMMA_IF(i) data##i
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// Some other things
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#define TYPED_ARGS(z, i, data) , T##i a##i
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#define CONVERT_ARG(z, i, data) T##i a##i; if (! ScriptInterface::FromJSVal<T##i>(cx, i < argc ? JS_ARGV(cx, vp)[i] : JSVAL_VOID, a##i)) return JS_FALSE;
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// List-generating macros, named roughly after their first list item
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#define TYPENAME_T0_HEAD(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_HEAD, typename T) // "typename T0, typename T1, "
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#define TYPENAME_T0_TAIL(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_TAIL, typename T) // ", typename T0, typename T1"
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#define T0(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_BALANCED, T) // "T0, T1"
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#define T0_HEAD(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_HEAD, T) // "T0, T1, "
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#define T0_TAIL(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_TAIL, T) // ", T0, T1"
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#define T0_A0(z, i) BOOST_PP_REPEAT_##z (i, TYPED_ARGS, ~) // "T0 a0, T1 a1"
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#define A0(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_BALANCED, a) // "a0, a1"
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#define A0_TAIL(z, i) BOOST_PP_REPEAT_##z (i, NUMBERED_LIST_TAIL, a) // ", a0, a1"
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// Define RegisterFunction<TR, T0..., f>
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#define OVERLOADS(z, i, data) \
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template <typename R, TYPENAME_T0_HEAD(z,i) R (*fptr) ( ScriptInterface::CxPrivate* T0_TAIL(z,i) )> \
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void RegisterFunction(const char* name) { \
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Register(name, call<R, T0_HEAD(z,i) fptr>, nargs<0 T0_TAIL(z,i)>()); \
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}
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BOOST_PP_REPEAT(SCRIPT_INTERFACE_MAX_ARGS, OVERLOADS, ~)
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#undef OVERLOADS
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// JSFastNative-compatible function that wraps the function identified in the template argument list
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// (Definition comes later, since it depends on some things we haven't defined yet)
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#define OVERLOADS(z, i, data) \
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template <typename R, TYPENAME_T0_HEAD(z,i) R (*fptr) ( ScriptInterface::CxPrivate* T0_TAIL(z,i) )> \
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static JSBool call(JSContext* cx, uintN argc, jsval* vp);
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BOOST_PP_REPEAT(SCRIPT_INTERFACE_MAX_ARGS, OVERLOADS, ~)
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#undef OVERLOADS
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// Similar, for class methods
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#define OVERLOADS(z, i, data) \
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template <typename R, TYPENAME_T0_HEAD(z,i) JSClass* CLS, typename TC, R (TC::*fptr) ( T0(z,i) )> \
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static JSBool callMethod(JSContext* cx, uintN argc, jsval* vp);
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BOOST_PP_REPEAT(SCRIPT_INTERFACE_MAX_ARGS, OVERLOADS, ~)
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#undef OVERLOADS
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// Argument-number counter
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#define OVERLOADS(z, i, data) \
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template <int dummy TYPENAME_T0_TAIL(z,i)> /* add a dummy parameter so we still compile with 0 template args */ \
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static size_t nargs() { return i; }
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BOOST_PP_REPEAT(SCRIPT_INTERFACE_MAX_ARGS, OVERLOADS, ~)
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#undef OVERLOADS
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