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extern crate capnp;
#[macro_export]
macro_rules! component {
(
$name:ident, $( ( $($c_t:ident$(: $c_tr:ident)* ),* ),)*
inputs($( $input_field_name:ident: $input_contract_name:ident),* ),
inputs_array($( $input_array_name:ident: $input_contract_array:ident),* ),
outputs($( $output_field_name:ident: $output_contract_name:ident),* ),
outputs_array($($output_array_name:ident: $output_contract_array:ident),* ),
option($($option_contract: ident),*),
acc($($acc_contract: ident),*),
fn run(&mut $arg:ident) $fun:block
$($more:item)*
)
=>
{
#[allow(non_snake_case)]
mod $name {
use rustfbp::component::*;
use rustfbp::result;
use rustfbp::result::Result;
use rustfbp::ports::Ports;
use rustfbp::allocator::{Allocator, HeapSenders, HeapIPSender, HeapIPReceiver, IP};
#[allow(unused_imports)]
use std::collections::HashMap;
use capnp::serialize;
use capnp::message;
use std::io::{Read, Write};
$($more)*
impl $name {
pub fn recv_option(&mut self) -> IP {
self.try_recv_option();
if self.option_ip.is_none() {
self.option_ip = self.ports.recv("option".into()).ok();
}
match self.option_ip {
Some(ref ip) => ip.clone(),
None => unreachable!(),
}
}
pub fn try_recv_option(&mut self) -> Option<IP> {
loop {
match self.ports.try_recv("option".into()) {
Err(_) => { break; },
Ok(ip) => { self.option_ip = Some(ip); }
};
}
self.option_ip.as_ref().map(|ip|{ ip.clone() })
}
pub fn is_input_ports(&self) -> bool {
$(
if true || stringify!($input_field_name) == "" { return true; }
)*
$(
if true || stringify!($input_array_name) == "" { return true; }
)*
false
}
pub fn run(&mut $arg) $fun
}
#[allow(dead_code)]
pub struct $name {
allocator: Allocator,
name: String,
pub ports: Ports,
pub option_ip: Option<IP>,
}
#[allow(dead_code)]
pub fn new(name: &String, allocator: &Allocator, senders: *mut HeapSenders) -> Result<Box<$name>> {
let mut ports = try!(Ports::new(name.clone(), allocator, senders,
vec!["option".into(), "acc".into(), $( stringify!($input_field_name).to_string() ),*],
vec![$( stringify!($input_array_name).to_string() ),*],
vec!["acc".into(), $( stringify!($output_field_name).to_string() ),*],
vec![$( stringify!($output_array_name).to_string() ),*],));
let comp = $name{
allocator: allocator.clone(),
name: name.clone(),
ports: ports,
option_ip: None,
};
Ok(Box::new(comp))
}
}
use std::mem::transmute;
use rustfbp::allocator::{Allocator, HeapSenders, HeapIPSender, HeapIPReceiver};
#[no_mangle]
pub extern fn create_component(name: &String, allocator: &Allocator, senders: *mut HeapSenders) -> *mut $name::$name {
let comp = $name::new(name, allocator, senders).expect("unable to create the comp");
unsafe { transmute(comp) }
}
#[no_mangle]
pub extern fn run(ptr: *mut $name::$name) {
let mut comp = unsafe { &mut *ptr };
comp.run();
}
#[no_mangle]
pub extern fn connect(ptr: *mut $name::$name, port_out: &String, send: *const HeapIPSender) -> u32 {
let mut comp = unsafe { &mut *ptr };
match comp.ports.connect(port_out.clone(), send) {
Ok(_) => 0,
Err(_) => 1,
}
}
#[no_mangle]
pub extern fn connect_array(ptr: *mut $name::$name, port_out: &String, selection_out: &String, send: *const HeapIPSender) -> u32 {
let mut comp = unsafe { &mut *ptr };
match comp.ports.connect_array(port_out.clone(), selection_out.clone(), send) {
Ok(_) => 0,
Err(_) => 1,
}
}
#[no_mangle]
pub extern fn add_output_selection(ptr: *mut $name::$name, port: &String, selection: &String) -> u32 {
let mut comp = unsafe { &mut *ptr };
match comp.ports.add_output_selection(port.clone(), selection.clone()) {
Ok(_) => 0,
Err(_) => 1,
}
}
#[no_mangle]
pub extern fn add_input_selection(ptr: *mut $name::$name, port: &String, selection: &String) -> *const HeapIPSender {
let mut comp = unsafe { &mut *ptr };
comp.ports.add_input_selection(port.clone(), selection.clone()).expect("cannot add_input_selection")
}
#[no_mangle]
pub extern fn add_input_receiver(ptr: *mut $name::$name, port: &String, selection: &String, hir: *const HeapIPReceiver) {
let mut comp = unsafe { &mut *ptr };
comp.ports.add_input_receiver(port.clone(), selection.clone(), hir).expect("cannot add_input_receiver")
}
#[no_mangle]
pub extern fn disconnect(ptr: *mut $name::$name, port: &String) -> u32 {
let mut comp = unsafe { &mut *ptr };
match comp.ports.disconnect(port.clone()) {
Ok(_) => 0,
Err(_) => 1,
}
}
#[no_mangle]
pub extern fn disconnect_array(ptr: *mut $name::$name, port: &String, selection: &String) -> u32 {
let mut comp = unsafe { &mut *ptr };
match comp.ports.disconnect_array(port.clone(), selection.clone()) {
Ok(_) => 0,
Err(_) => 1,
}
}
#[no_mangle]
pub extern fn is_input_ports(ptr: *mut $name::$name) -> bool {
let mut comp = unsafe { &mut *ptr };
comp.is_input_ports()
}
#[no_mangle]
pub extern fn destroy_component(ptr: *mut $name::$name) {
let _comp: Box<$name::$name> = unsafe { transmute(ptr) };
}
}
}