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const std = @import("std");
const Action = @import("../actions.zig").Action;
pub const IOInterface = struct {
ptr: *anyopaque,
displayMessageFn: *const fn (ptr: *anyopaque, str: []const u8) anyerror!void,
waitForTickFn: *const fn (ptr: *anyopaque) anyerror!Action,
deinitFn: *const fn (ptr: *anyopaque) void,
pub fn init(ptr: anytype) !IOInterface {
const T = @TypeOf(ptr);
const ptr_info = @typeInfo(T);
const gen = struct {
pub fn displayMessage(pointer: *anyopaque, str: []const u8) anyerror!void {
const self: T = @ptrCast(@alignCast(pointer));
return ptr_info.Pointer.child.displayMessage(self, str);
}
pub fn waitForTick(pointer: *anyopaque) anyerror!Action {
const self: T = @ptrCast(@alignCast(pointer));
return ptr_info.Pointer.child.waitForTick(self);
}
pub fn deinit(pointer: *anyopaque) void {
const self: T = @ptrCast(@alignCast(pointer));
return ptr_info.Pointer.child.deinit(self);
}
};
return .{
.ptr = ptr,
.displayMessageFn = gen.displayMessage,
.waitForTickFn = gen.waitForTick,
.deinitFn = gen.deinit,
};
}
pub fn displayMessage(self: IOInterface, str: []const u8) anyerror!void {
return self.displayMessageFn(self.ptr, str);
}
pub fn waitForTick(self: IOInterface) anyerror!Action {
return self.waitForTickFn(self.ptr);
}
pub fn deinit(self: IOInterface) void {
return self.deinitFn(self.ptr);
}
};
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