[Issue 10719] New: Loading classes in runtime
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Fri Jul 26 17:37:04 PDT 2013
http://d.puremagic.com/issues/show_bug.cgi?id=10719
Summary: Loading classes in runtime
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: freeslave93 at gmail.com
--- Comment #0 from Roman <freeslave93 at gmail.com> 2013-07-26 17:37:00 PDT ---
There is kinda plugin here (code is for linux or other posix system with dlfcn)
Why does it crush when using interface instead of abstract class?
(-version=inter)
//dinter.d
module dinter;
version(inter) {
pragma(msg, "Using interface");
interface Dinter {
int foo(int a, int b);
}
}
else {
pragma(msg, "Using abstract class");
abstract class Dinter {
int foo(int a, int b);
}
}
//dimpl.d
//dmd -shared -fPIC dimpl.d dinter.d -oflibdimpl.so
//dmd -shared -fPIC dimpl.d dinter.d -oflibdimpl.so -verstion=inter
module dimpl;
import dinter;
class Dimpl : Dinter {
override int foo(int a, int b) {
return a+b;
}
}
extern(C) Dinter create() {
return new Dimpl;
}
//dmain.d
//dmd dmain.d -L-rpath=. -L-ldl
//dmd dmain.d -L-rpath=. -L-ldl -version=inter
import dinter;
import std.c.linux.linux;
import std.string : toStringz;
alias extern(C) Dinter function() CreateFn;
int main(string[] args) {
void* lib = dlopen(toStringz("./libdimpl.so"), RTLD_LAZY);
assert(lib);
auto create = cast(CreateFn)dlsym(lib, toStringz("create"));
assert(create);
Dinter d = create();
assert(d.foo(3,7)==10);
return 0;
}
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