zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

js-runtime: Add constructor calling capability (new operator on Js types)

Browse source
This commit is contained in:
iddev5 2022-07-07 18:33:29 +05:30 • committed by Stephen Gutekanst
parent 97e5c57bc8
commit 7ceb30bdf1
2 changed files with 25 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

14
js-runtime/src/main.zig
View file

@ -17,6 +17,7 @@ const js = struct {
extern fn zigDeleteIndex(id: u64, index: u32) void;
extern fn zigFunctionCall(id: u64, name: [*]const u8, len: u32, args: ?*const anyopaque, args_len: u32, ret_ptr: *anyopaque) void;
extern fn zigFunctionInvoke(id: u64, args: ?*const anyopaque, args_len: u32, ret_ptr: *anyopaque) void;
extern fn zigConstructType(id: u64, args: ?*const anyopaque, args_len: u32, ret_ptr: *anyopaque) void;
extern fn zigCleanupObject(id: u64) void;
};
@ -142,6 +143,12 @@ pub const Function = struct {
return .{ .tag = .func_zig, .val = .{ .ref = func.ref } };
}
pub fn construct(func: *const Function, args: []const Value) Value {
var ret: Value = undefined;
js.zigConstructType(func.ref, args.ptr, args.len, &ret);
return ret;
}
pub fn invoke(func: *const Function, args: []const Value) Value {
var ret: Value = undefined;
js.zigFunctionInvoke(func.ref, args.ptr, args.len, &ret);
@ -202,3 +209,10 @@ pub fn createFunction(fun: FunType) Function {
}
return .{ .ref = js.zigCreateFunction(&fun) };
}
pub fn constructType(t: []const u8, args: []const Value) Value {
const constructor = global().get(t).value(.func, null);
defer constructor.deinit();
return constructor.construct(args);
}