2025-01-22 16:18:30 +01:00

118 lines
3.6 KiB
Haxe

/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package cpp;
#if macro
import haxe.macro.Context;
import haxe.macro.Type;
import haxe.macro.Expr;
#end
@:noPackageRestrict
class Prime {
#if (!macro && cpp)
public static function _loadPrime(lib:String, prim:String, signature:String, quietFail = false):Dynamic {
var factory:Callable<ConstCharStar->Object> = untyped __global__.__hxcpp_cast_get_proc_address(lib, prim + "__prime", quietFail);
if (factory != null) {
var func:Dynamic = factory.call(signature);
if (func == null && !quietFail)
throw '$prim does not have signature $signature';
return func;
}
return null;
}
#end
#if (macro)
static function codeToType(code:String, forCpp:Bool):String {
if (code == "c" && !forCpp)
throw "const char * type only supported in cpp mode";
switch (code) {
case "b":
return "Bool";
case "i":
return "Int";
case "d":
return "Float";
case "s":
return "String";
case "f":
return forCpp ? "cpp.Float32" : "Float";
case "o":
return forCpp ? "cpp.Object" : "Dynamic";
case "v":
return forCpp ? "cpp.Void" : "Dynamic";
case "c":
return "cpp.ConstCharStar";
default:
throw "Unknown signature type :" + code;
}
}
#end
public static function nekoInit(inModuleName:String):Bool {
#if neko
var init = neko.Lib.load(inModuleName, "neko_init", 5);
if (init != null) {
init(function(s) return new String(s), function(len:Int) {
var r = [];
if (len > 0)
r[len - 1] = null;
return r;
}, null, true, false);
return true;
}
#end
return false;
}
public static macro function load(inModule:String, inName:String, inSig:String, inAllowFail:Bool = false) {
var parts = inSig.split("");
if (parts.length < 1)
throw "Invalid function signature " + inSig;
var argCount = parts.length - 1;
var cppiaMode = Context.defined("cppia");
var cppMode = Context.defined("cpp") && !cppiaMode;
var typeString = parts.length == 1 ? "Void" : codeToType(parts.shift(), cppMode);
for (p in parts)
typeString += "->" + codeToType(p, cppMode);
if (cppMode) {
typeString = "cpp.Callable<" + typeString + ">";
var expr = 'new $typeString(cpp.Prime._loadPrime("$inModule","$inName","$inSig",$inAllowFail))';
return Context.parse(expr, Context.currentPos());
} else {
if (argCount > 5)
argCount = -1;
var lazy = inAllowFail ? "loadLazy" : "load";
var lib = cppiaMode ? "cpp" : "neko";
var expr = 'new cpp.Callable<$typeString>($lib.Lib.$lazy("$inModule","$inName",$argCount))';
return Context.parse(expr, Context.currentPos());
}
}
}