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sysjs: Implement Object.copyBytes to copy over a slice to Js array type objects

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It works with Uint8Array objects only but no type checking is done right
now.

Originally authored by iddev5 :)

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-08-27 12:02:30 -07:00 • committed by Stephen Gutekanst
parent 28fb75c7eb
commit 3e69c54e79
2 changed files with 19 additions and 0 deletions
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5
libs/sysjs/src/main.zig
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@ -18,6 +18,7 @@ const js = struct {
extern fn zigValueEqual(val: *const anyopaque, other: *const anyopaque) bool;
extern fn zigValueInstanceOf(val: *const anyopaque, other: *const anyopaque) bool;
extern fn zigDeleteIndex(id: u64, index: u32) void;
extern fn zigCopyBytes(id: u64, bytes: [*]u8, expected_len: 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 zigGetParamCount(id: u64) u32;
@ -140,6 +141,10 @@ pub const Object = struct {
js.zigDeleteIndex(obj.ref, index);
}
pub fn copyBytes(obj: *const Object, bytes: []u8) void {
js.zigCopyBytes(obj.ref, bytes.ptr, bytes.len);
}
pub fn call(obj: *const Object, fun: []const u8, args: []const Value) Value {
var ret: Value = undefined;
js.zigFunctionCall(obj.ref, fun.ptr, @intCast(u32, fun.len), args.ptr, @intCast(u32, args.len), &ret);