Added codegen, code reformatting, deprecated system.d

.gitignore

@@ -1,3 +1,7 @@
 lib
 dub.selections.json
-.dub
+.dub
+dscanner.ini
+*.kate-swp
+.directory
+.DS_Store

dub.sdl

@@ -1,8 +1,9 @@
 name "bindbc-loader"
-description "Cross-platform shared library loader usable in -betterC mode."
+description "Cross-platform shared library loader usable with BetterC."
 homepage ""
 license "Boost"
-authors "Mike Parker"
+authors "Aya Partridge" "Mike Parker"
+
 targetType "staticLibrary"
 targetPath "lib"
 targetName "BindBC_Loader"
@@ -14,4 +15,4 @@ configuration "noBC" {
 
 configuration "yesBC" {
     dflags "-betterC"
-}
+}

source/bindbc/loader/codegen.d

@@ -0,0 +1,57 @@
+/+
++            Copyright 2022 – 2023 Aya Partridge
++ Distributed under the Boost Software License, Version 1.0.
++     (See accompanying file LICENSE_1_0.txt or copy at
++           http://www.boost.org/LICENSE_1_0.txt)
++/
+module bindbc.loader.codegen;
+
+enum LoadMsg{
+	success,
+	noLibrary,
+	badLibrary,
+}
+
+enum makeDynloadFns = (string name, string libNames, string[] bindModules) nothrow pure @safe{
+	string dynloadFns = `
+private SharedLib lib;
+
+@nogc nothrow{
+void unload`~name~`(){ if(lib != invalidHandle) lib.unload(); }
+
+bool is`~name~`Loaded(){ return lib != invalidHandle; }
+
+LoadMsg load`~name~`(){
+	enum libNamesCT = `~libNames~`;
+	const(char)[][libNamesCT.length] libNames = libNamesCT;
+	
+	LoadMsg ret;
+	foreach(name; libNames){
+		ret = load`~name~`(name.ptr);
+		if(ret == LoadMsg.success) break;
+	}
+	return ret;
+}
+
+LoadMsg load`~name~`(const(char)* libName){
+	lib = bindbc.loader.load(libName);
+	if(lib == invalidHandle){
+		return LoadMsg.noLibrary;
+	}
+	
+	auto errCount = errorCount();
+`;
+
+	foreach(mod; bindModules){
+		dynloadFns ~= "\n\t"~mod~".bindModuleSymbols(lib);";
+	}
+
+	dynloadFns ~= `
+	
+	if(errCount != errorCount()) return LoadMsg.badLibrary;
+	return LoadMsg.success;
+}
+}`;
+
+	return dynloadFns;
+};

source/bindbc/loader/package.d

@@ -1,11 +1,13 @@
-
-//          Copyright 2018 - 2021 Michael D. Parker
-// Distributed under the Boost Software License, Version 1.0.
-//    (See accompanying file LICENSE_1_0.txt or copy at
-//          http://www.boost.org/LICENSE_1_0.txt)
-
+/+
++            Copyright 2023 – 2023 Aya Partridge
++          Copyright 2018 - 2021 Michael D. Parker
++ Distributed under the Boost Software License, Version 1.0.
++     (See accompanying file LICENSE_1_0.txt or copy at
++           http://www.boost.org/LICENSE_1_0.txt)
++/
 module bindbc.loader;
 
-public
-import bindbc.loader.sharedlib,
-       bindbc.loader.system;
+public import
+	bindbc.loader.sharedlib,
+	bindbc.loader.codegen,
+	bindbc.loader.system;