forked from AbleOS/ableos
97 lines
2.2 KiB
Plaintext
97 lines
2.2 KiB
Plaintext
.{math: .{Vec2}, buffer, memory} := @use("../../stn/src/lib.hb");
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.{Surface} := @use("../../render/src/lib.hb")
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$BUFFER_SERVER := "sunset_server\0"
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$BUFFER_CLIENT := "sunset_client\0"
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Channel := packed struct {
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client: uint,
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server: uint,
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}
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client := @use("./client.hb")
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server := @use("./server.hb")
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message := @use("./message.hb")
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permissions := @use("./permissions.hb")
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$send_message := fn($Expr: type, kind: MessageKind, msg: Expr, buffer_id: uint): void {
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buffer.write(?Message(Expr), buffer_id, &@as(?Message(Expr), .(.(kind), msg)))
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}
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$send_header := fn(kind: MessageKind, buffer_id: uint): void {
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buffer.write(?MessageHeader, buffer_id, &@as(?MessageHeader, .(kind)))
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}
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$recv_message := fn($Expr: type, buffer_id: uint): Message(Expr) {
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response := @as(?Message(Expr), null)
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buffer.recv(?Message(Expr), buffer_id, &response)
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return response
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}
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$recv_header := fn(buffer_id: uint): ?MessageHeader {
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response := @as(?MessageHeader, null)
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buffer.recv(?MessageHeader, buffer_id, &response)
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return response
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}
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await_channel := fn(): Channel {
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channel := Channel.(0, 0)
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loop if channel.server != 0 break else {
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channel.server = buffer.search(BUFFER_SERVER)
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}
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loop if channel.client != 0 break else {
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channel.client = buffer.search(BUFFER_CLIENT)
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}
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return channel
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}
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await_message := fn($Expr: type, buffer_id: uint): Message(Expr) {
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response := @as(?Message(Expr), null)
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loop {
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buffer.recv(?Message(Expr), buffer_id, &response)
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if response != null {
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return @as(Message(Expr), response)
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}
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}
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}
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await_header := fn(buffer_id: uint): MessageHeader {
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response := @as(?MessageHeader, null)
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loop {
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buffer.recv(?MessageHeader, buffer_id, &response)
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if response != null {
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return @as(?MessageHeader, response)
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}
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}
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}
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MessageKind := u8
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MessageHeader := packed struct {
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kind: MessageKind,
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}
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Message := fn($Expr: type): type {
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return packed struct {
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header: MessageHeader,
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body: Expr,
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}
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}
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WindowProps := struct {
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position: Vec2(uint),
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dimensions: Vec2(uint),
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// ! replace with owned string type later
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title: ^u8,
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}
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WindowData := struct {
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props: WindowProps,
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channel: Channel,
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permissions: uint,
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}
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Window := struct {
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data: WindowData,
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surface: Surface,
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} |