Changeset - a5c3b27c535e
[Not reviewed]
0 2 0
Christopher Esterhuyse - 5 years ago 2020-09-21 14:10:20
christopher.esterhuyse@gmail.com
shortened names
2 files changed with 32 insertions and 32 deletions:
0 comments (0 inline, 0 general)
src/protocol/inputsource.rs
Show inline comments
 
use std::fmt;
 
use std::fs::File;
 
use std::io;
 
use std::path::Path;
 

	
 
use backtrace::Backtrace;
 

	
 
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 
pub struct InputSource {
 
    filename: String,
 
    input: Vec<u8>,
 
    line: usize,
 
    column: usize,
 
    offset: usize,
 
}
 

	
 
static STD_LIB_PDL: &'static [u8] = b"
 
primitive forward(in i, out o) {
 
    while(true) synchronous() put(o, get(i));
 
}
 
primitive sync(in i, out o) {
 
    while(true) synchronous() if(fires(i)) put(o, get(i));
 
}
 
primitive alternator2(in i, out l, out r) {
 
primitive alternator(in i, out l, out r) {
 
    while(true) {
 
        synchronous() if(fires(i)) put(l, get(i));
 
        synchronous() if(fires(i)) put(r, get(i));
 
    }
 
}
 
primitive replicator2(in i, out l, out r) {
 
primitive replicator(in i, out l, out r) {
 
    while(true) synchronous() if(fires(i)) {
 
        msg m = get(i);
 
        put(l, m);
 
        put(r, m);
 
    }
 
}
 
primitive merger2(in l, in r, out o) {
 
primitive merger(in l, in r, out o) {
 
    while(true) synchronous {
 
        if(fires(l))      put(o, get(l));
 
        else if(fires(r)) put(o, get(r));
 
    }
 
}";
 

	
 
impl InputSource {
 
    // Constructors
 
    pub fn new<R: io::Read, S: ToString>(filename: S, reader: &mut R) -> io::Result<InputSource> {
 
        let mut vec = STD_LIB_PDL.to_vec();
 
        reader.read_to_end(&mut vec)?;
 
        Ok(InputSource {
 
            filename: filename.to_string(),
 
            input: vec,
 
            line: 1,
 
            column: 1,
 
            offset: 0,
 
        })
 
    }
 
    // Constructor helpers
 
    pub fn from_file(path: &Path) -> io::Result<InputSource> {
 
        let filename = path.file_name();
 
        match filename {
 
            Some(filename) => {
 
                let mut f = File::open(path)?;
 
                InputSource::new(filename.to_string_lossy(), &mut f)
 
            }
 
            None => Err(io::Error::new(io::ErrorKind::NotFound, "Invalid path")),
 
        }
 
    }
 
    pub fn from_string(string: &str) -> io::Result<InputSource> {
 
        let buffer = Box::new(string);
 
        let mut bytes = buffer.as_bytes();
 
        InputSource::new(String::new(), &mut bytes)
 
    }
 
    pub fn from_buffer(buffer: &[u8]) -> io::Result<InputSource> {
 
        InputSource::new(String::new(), &mut Box::new(buffer))
 
    }
 
    // Internal methods
 
    pub fn pos(&self) -> InputPosition {
 
        InputPosition { line: self.line, column: self.column, offset: self.offset }
 
    }
 
    pub fn error<S: ToString>(&self, message: S) -> ParseError {
 
        self.pos().parse_error(message)
 
    }
 
    pub fn is_eof(&self) -> bool {
 
        self.next() == None
 
    }
 
    pub fn next(&self) -> Option<u8> {
 
        if self.offset < self.input.len() {
 
            Some((*self.input)[self.offset])
 
        } else {
 
            None
 
        }
 
    }
 
    pub fn lookahead(&self, pos: usize) -> Option<u8> {
 
        if let Some(x) = usize::checked_add(self.offset, pos) {
 
            if x < self.input.len() {
 
                return Some((*self.input)[x]);
 
            }
 
        }
 
        None
 
    }
 
    pub fn consume(&mut self) {
 
        match self.next() {
 
            Some(x) if x == b'\r' && self.lookahead(1) != Some(b'\n') || x == b'\n' => {
 
                self.line += 1;
 
                self.offset += 1;
 
                self.column = 1;
 
            }
 
            Some(_) => {
 
                self.offset += 1;
 
                self.column += 1;
 
            }
 
            None => {}
 
        }
 
    }
 
}
 

	
 
impl fmt::Display for InputSource {
 
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 
        self.pos().fmt(f)
 
    }
 
}
 

	
 
#[derive(Debug, Clone, Copy, Default, serde::Serialize, serde::Deserialize)]
 
pub struct InputPosition {
 
    line: usize,
 
    column: usize,
 
    offset: usize,
 
}
 

	
 
impl InputPosition {
 
    fn context<'a>(&self, source: &'a InputSource) -> &'a [u8] {
 
        let start = self.offset - (self.column - 1);
 
        let mut end = self.offset;
 
        while end < source.input.len() {
 
            let cur = (*source.input)[end];
 
            if cur == b'\n' || cur == b'\r' {
 
                break;
 
            }
 
            end += 1;
 
        }
 
        &source.input[start..end]
 
    }
 
    fn parse_error<S: ToString>(&self, message: S) -> ParseError {
 
        ParseError { position: *self, message: message.to_string(), backtrace: Backtrace::new() }
 
    }
 
    fn eval_error<S: ToString>(&self, message: S) -> EvalError {
 
        EvalError { position: *self, message: message.to_string(), backtrace: Backtrace::new() }
 
    }
 
}
 

	
 
impl fmt::Display for InputPosition {
 
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 
        write!(f, "{}:{}", self.line, self.column)
 
    }
 
}
 

	
 
pub trait SyntaxElement {
 
    fn position(&self) -> InputPosition;
 
    fn error<S: ToString>(&self, message: S) -> EvalError {
 
        self.position().eval_error(message)
 
    }
 
}
 

	
 
#[derive(Debug, Clone)]
 
pub struct ParseError {
 
    position: InputPosition,
 
    message: String,
 
    backtrace: Backtrace,
 
}
 

	
 
impl ParseError {
 
    pub fn new<S: ToString>(position: InputPosition, message: S) -> ParseError {
 
        ParseError { position, message: message.to_string(), backtrace: Backtrace::new() }
 
    }
 
    // Diagnostic methods
 
    pub fn write<A: io::Write>(&self, source: &InputSource, writer: &mut A) -> io::Result<()> {
 
        if !source.filename.is_empty() {
 
            writeln!(
 
                writer,
 
                "Parse error at {}:{}: {}",
 
                source.filename, self.position, self.message
 
            )?;
 
        } else {
 
            writeln!(writer, "Parse error at {}: {}", self.position, self.message)?;
 
        }
 
        let line = self.position.context(source);
 
        writeln!(writer, "{}", String::from_utf8_lossy(line))?;
 
        let mut arrow: Vec<u8> = Vec::new();
 
        for pos in 1..self.position.column {
 
            let c = line[pos - 1];
 
            if c == b'\t' {
 
                arrow.push(b'\t')
 
            } else {
 
                arrow.push(b' ')
 
            }
 
        }
 
        arrow.push(b'^');
 
        writeln!(writer, "{}", String::from_utf8_lossy(&arrow))
 
    }
 
    pub fn print(&self, source: &InputSource) {
 
        self.write(source, &mut std::io::stdout()).unwrap()
 
    }
 
    pub fn display<'a>(&'a self, source: &'a InputSource) -> DisplayParseError<'a> {
 
        DisplayParseError::new(self, source)
 
    }
 
}
 

	
 
impl From<ParseError> for io::Error {
 
    fn from(_: ParseError) -> io::Error {
 
        io::Error::new(io::ErrorKind::InvalidInput, "parse error")
 
    }
 
}
 

	
 
#[derive(Clone, Copy)]
 
pub struct DisplayParseError<'a> {
 
    error: &'a ParseError,
 
    source: &'a InputSource,
 
}
 

	
 
impl DisplayParseError<'_> {
 
    fn new<'a>(error: &'a ParseError, source: &'a InputSource) -> DisplayParseError<'a> {
 
        DisplayParseError { error, source }
 
    }
 
}
 

	
 
impl fmt::Display for DisplayParseError<'_> {
 
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 
        let mut vec: Vec<u8> = Vec::new();
 
        match self.error.write(self.source, &mut vec) {
src/runtime/tests.rs
Show inline comments
 
@@ -902,352 +902,352 @@ fn many_rounds_net() {
 
        s.spawn(|_| {
 
            let mut c = file_logged_connector(1, test_log_path);
 
            let p0 = c.new_net_port(Getter, sock_addrs[0], Passive).unwrap();
 
            c.connect(SEC1).unwrap();
 
            for _ in 0..NUM_ROUNDS {
 
                c.get(p0).unwrap();
 
                c.sync(SEC1).unwrap();
 
            }
 
        });
 
    })
 
    .unwrap();
 
}
 
#[test]
 
fn many_rounds_mem() {
 
    let test_log_path = Path::new("./logs/many_rounds_mem");
 
    const NUM_ROUNDS: usize = 1_000;
 
    let mut c = file_logged_connector(0, test_log_path);
 
    let [p0, p1] = c.new_port_pair();
 
    c.connect(SEC1).unwrap();
 
    for _ in 0..NUM_ROUNDS {
 
        c.put(p0, TEST_MSG.clone()).unwrap();
 
        c.get(p1).unwrap();
 
        c.sync(SEC1).unwrap();
 
    }
 
}
 

	
 
#[test]
 
fn pdl_reo_lossy() {
 
    let pdl = b"
 
    primitive lossy(in a, out b) {
 
        while(true) synchronous {
 
            msg m = null;
 
            if(fires(a)) {
 
                m = get(a);
 
                if(fires(b)) {
 
                    put(b, m);
 
                }
 
            }
 
        }
 
    }
 
    ";
 
    reowolf::ProtocolDescription::parse(pdl).unwrap();
 
}
 

	
 
#[test]
 
fn pdl_reo_fifo1() {
 
    let pdl = b"
 
    primitive fifo1(in a, out b) {
 
        msg m = null;
 
        while(true) synchronous {
 
            if(m == null) {
 
                if(fires(a)) m=get(a);
 
            } else {
 
                if(fires(b)) put(b, m);
 
                m = null;
 
            }
 
        }
 
    }
 
    ";
 
    reowolf::ProtocolDescription::parse(pdl).unwrap();
 
}
 

	
 
#[test]
 
fn pdl_reo_fifo1full() {
 
    let test_log_path = Path::new("./logs/pdl_reo_fifo1full");
 
    let pdl = b"
 
    primitive fifo1full(in a, out b) {
 
        msg m = create(0);
 
        while(true) synchronous {
 
            if(m == null) {
 
                if(fires(a)) m=get(a);
 
            } else {
 
                if(fires(b)) put(b, m);
 
                m = null;
 
            }
 
        }
 
    }
 
    ";
 
    let pd = reowolf::ProtocolDescription::parse(pdl).unwrap();
 
    let mut c = file_logged_configured_connector(0, test_log_path, Arc::new(pd));
 
    let [_p0, g0] = c.new_port_pair();
 
    let [p1, g1] = c.new_port_pair();
 
    c.add_component(b"fifo1full", &[g0, p1]).unwrap();
 
    c.connect(None).unwrap();
 
    c.get(g1).unwrap();
 
    c.sync(None).unwrap();
 
    assert_eq!(0, c.gotten(g1).unwrap().len());
 
}
 

	
 
#[test]
 
fn pdl_msg_consensus() {
 
    let test_log_path = Path::new("./logs/pdl_msg_consensus");
 
    let pdl = b"
 
    primitive msgconsensus(in a, in b) {
 
        while(true) synchronous {
 
            msg x = get(a);
 
            msg y = get(b);
 
            assert(x == y);
 
        }
 
    }
 
    ";
 
    let pd = reowolf::ProtocolDescription::parse(pdl).unwrap();
 
    let mut c = file_logged_configured_connector(0, test_log_path, Arc::new(pd));
 
    let [p0, g0] = c.new_port_pair();
 
    let [p1, g1] = c.new_port_pair();
 
    c.add_component(b"msgconsensus", &[g0, g1]).unwrap();
 
    c.connect(None).unwrap();
 
    c.put(p0, Payload::from(b"HELLO" as &[_])).unwrap();
 
    c.put(p1, Payload::from(b"HELLO" as &[_])).unwrap();
 
    c.sync(SEC1).unwrap();
 

	
 
    c.put(p0, Payload::from(b"HEY" as &[_])).unwrap();
 
    c.put(p1, Payload::from(b"HELLO" as &[_])).unwrap();
 
    c.sync(SEC1).unwrap_err();
 
}
 

	
 
#[test]
 
fn sequencer3_prim() {
 
    let test_log_path = Path::new("./logs/sequencer3_prim");
 
    let pdl = b"
 
    primitive sequencer3(out a, out b, out c) {
 
        int i = 0;
 
        while(true) synchronous {
 
            out to = a;
 
            if     (i==1) to = b;
 
            else if(i==2) to = c;
 
            if(fires(to)) {
 
                put(to, create(0));
 
                i = (i + 1)%3;
 
            }
 
        }
 
    }
 
    ";
 
    let pd = reowolf::ProtocolDescription::parse(pdl).unwrap();
 
    let mut c = file_logged_configured_connector(0, test_log_path, Arc::new(pd));
 

	
 
    // setup a session between (a) native, and (b) sequencer3, connected by 3 ports.
 
    let [p0, g0] = c.new_port_pair();
 
    let [p1, g1] = c.new_port_pair();
 
    let [p2, g2] = c.new_port_pair();
 
    c.add_component(b"sequencer3", &[p0, p1, p2]).unwrap();
 
    c.connect(None).unwrap();
 

	
 
    let which_of_three = move |c: &mut Connector| {
 
        // setup three sync batches. sync. return which succeeded
 
        c.get(g0).unwrap();
 
        c.next_batch().unwrap();
 
        c.get(g1).unwrap();
 
        c.next_batch().unwrap();
 
        c.get(g2).unwrap();
 
        c.sync(None).unwrap()
 
    };
 

	
 
    const TEST_ROUNDS: usize = 50;
 
    // check that the batch index for rounds 0..TEST_ROUNDS are [0, 1, 2, 0, 1, 2, ...]
 
    for expected_batch_idx in (0..=2).cycle().take(TEST_ROUNDS) {
 
        // silent round
 
        assert_eq!(0, c.sync(None).unwrap());
 
        // non silent round
 
        assert_eq!(expected_batch_idx, which_of_three(&mut c));
 
    }
 
}
 

	
 
#[test]
 
fn sequencer3_comp() {
 
    let test_log_path = Path::new("./logs/sequencer3_comp");
 
    let pdl = b"
 
    primitive fifo1_init(msg m, in a, out b) {
 
        while(true) synchronous {
 
            if(m != null && fires(b)) {
 
                put(b, m);
 
                m = null;
 
            } else if (m == null && fires(a)) {
 
                m = get(a);
 
            }
 
        }
 
    }
 
    composite fifo1_full(in a, out b) {
 
        new fifo1_init(create(0), a, b);
 
    }
 
    composite fifo1(in a, out b) {
 
        new fifo1_init(null, a, b);
 
    }
 
    composite sequencer3(out a, out b, out c) {
 
        channel d -> e;
 
        channel f -> g;
 
        channel h -> i;
 
        channel j -> k;
 
        channel l -> m;
 
        channel n -> o;
 

	
 
        new fifo1_full(o, d);
 
        new replicator2(e, f, a);
 
        new replicator(e, f, a);
 
        new fifo1(g, h);
 
        new replicator2(i, j, b);
 
        new replicator(i, j, b);
 
        new fifo1(k, l);
 
        new replicator2(m, n, c);
 
        new replicator(m, n, c);
 
    }
 
    ";
 
    let pd = reowolf::ProtocolDescription::parse(pdl).unwrap();
 
    let mut c = file_logged_configured_connector(0, test_log_path, Arc::new(pd));
 

	
 
    // setup a session between (a) native, and (b) sequencer3, connected by 3 ports.
 
    let [p0, g0] = c.new_port_pair();
 
    let [p1, g1] = c.new_port_pair();
 
    let [p2, g2] = c.new_port_pair();
 
    c.add_component(b"sequencer3", &[p0, p1, p2]).unwrap();
 
    c.connect(None).unwrap();
 

	
 
    let which_of_three = move |c: &mut Connector| {
 
        // setup three sync batches. sync. return which succeeded
 
        c.get(g0).unwrap();
 
        c.next_batch().unwrap();
 
        c.get(g1).unwrap();
 
        c.next_batch().unwrap();
 
        c.get(g2).unwrap();
 
        c.sync(SEC1).unwrap()
 
    };
 

	
 
    const TEST_ROUNDS: usize = 50;
 
    // check that the batch index for rounds 0..TEST_ROUNDS are [0, 1, 2, 0, 1, 2, ...]
 
    for expected_batch_idx in (0..=2).cycle().take(TEST_ROUNDS) {
 
        // silent round
 
        assert_eq!(0, c.sync(SEC1).unwrap());
 
        // non silent round
 
        assert_eq!(expected_batch_idx, which_of_three(&mut c));
 
    }
 
}
 

	
 
enum XRouter2Item {
 
enum XRouterItem {
 
    Silent,
 
    GetA,
 
    GetB,
 
}
 
// Hardcoded pseudo-random sequence of round behaviors for the native component
 
const XROUTER2_ITEMS: &[XRouter2Item] = {
 
    use XRouter2Item::{GetA as A, GetB as B, Silent as S};
 
const XROUTER_ITEMS: &[XRouterItem] = {
 
    use XRouterItem::{GetA as A, GetB as B, Silent as S};
 
    &[
 
        B, A, S, B, A, A, B, S, B, S, A, A, S, B, B, S, B, S, B, B, S, B, B, A, B, B, A, B, A, B,
 
        S, B, S, B, S, A, S, B, A, S, B, A, B, S, B, S, B, S, S, B, B, A, A, A, S, S, S, B, A, A,
 
        A, S, S, B, B, B, A, B, S, S, A, A, B, A, B, B, A, A, A, B, A, B, S, A, B, S, A, A, B, S,
 
    ]
 
};
 

	
 
#[test]
 
fn xrouter2_prim() {
 
    let test_log_path = Path::new("./logs/xrouter2_prim");
 
fn xrouter_prim() {
 
    let test_log_path = Path::new("./logs/xrouter_prim");
 
    let pdl = b"
 
    primitive xrouter2(in a, out b, out c) {
 
    primitive xrouter(in a, out b, out c) {
 
        while(true) synchronous {
 
            if(fires(a)) {
 
                if(fires(b)) put(b, get(a));
 
                else         put(c, get(a));
 
            }
 
        }
 
    }
 
    ";
 
    let pd = reowolf::ProtocolDescription::parse(pdl).unwrap();
 
    let mut c = file_logged_configured_connector(0, test_log_path, Arc::new(pd));
 

	
 
    // setup a session between (a) native, and (b) xrouter2, connected by 3 ports.
 
    let [p0, g0] = c.new_port_pair();
 
    let [p1, g1] = c.new_port_pair();
 
    let [p2, g2] = c.new_port_pair();
 
    c.add_component(b"xrouter2", &[g0, p1, p2]).unwrap();
 
    c.add_component(b"xrouter", &[g0, p1, p2]).unwrap();
 
    c.connect(None).unwrap();
 

	
 
    let now = std::time::Instant::now();
 
    for item in XROUTER2_ITEMS.iter() {
 
    for item in XROUTER_ITEMS.iter() {
 
        match item {
 
            XRouter2Item::Silent => {}
 
            XRouter2Item::GetA => {
 
            XRouterItem::Silent => {}
 
            XRouterItem::GetA => {
 
                c.put(p0, TEST_MSG.clone()).unwrap();
 
                c.get(g1).unwrap();
 
            }
 
            XRouter2Item::GetB => {
 
            XRouterItem::GetB => {
 
                c.put(p0, TEST_MSG.clone()).unwrap();
 
                c.get(g2).unwrap();
 
            }
 
        }
 
        assert_eq!(0, c.sync(SEC1).unwrap());
 
    }
 
    println!("PRIM {:?}", now.elapsed());
 
}
 
#[test]
 
fn xrouter2_comp() {
 
    let test_log_path = Path::new("./logs/xrouter2_comp");
 
fn xrouter_comp() {
 
    let test_log_path = Path::new("./logs/xrouter_comp");
 
    let pdl = b"
 
    primitive lossy(in a, out b) {
 
        while(true) synchronous {
 
            if(fires(a)) {
 
                msg m = get(a);
 
                if(fires(b)) put(b, get(a));
 
            }
 
        }
 
    }
 
    primitive sync_drain2(in a, in b) {
 
    primitive sync_drain(in a, in b) {
 
        while(true) synchronous {
 
            if(fires(a)) {
 
                get(a);
 
                get(b);
 
            }
 
        }
 
    }
 
    composite xrouter2(in a, out b, out c) {
 
    composite xrouter(in a, out b, out c) {
 
        channel d -> e;
 
        channel f -> g;
 
        channel h -> i;
 
        channel j -> k;
 
        channel l -> m;
 
        channel n -> o;
 
        channel p -> q;
 
        channel r -> s;
 
        channel t -> u;
 

	
 
        new replicator2(a, d, f); // ok
 
        new replicator2(g, t, h); // ok
 
        new replicator(a, d, f); // ok
 
        new replicator(g, t, h); // ok
 
        new lossy(e, l); // ok
 
        new lossy(i, j); // ok
 
        new replicator2(m, b, p); // ok
 
        new replicator2(k, n, c); // ok
 
        new merger2(q, o, r);
 
        new sync_drain2(u, s);
 
        new replicator(m, b, p); // ok
 
        new replicator(k, n, c); // ok
 
        new merger(q, o, r);
 
        new sync_drain(u, s);
 
    }
 
    ";
 
    let pd = reowolf::ProtocolDescription::parse(pdl).unwrap();
 
    let mut c = file_logged_configured_connector(0, test_log_path, Arc::new(pd));
 

	
 
    // setup a session between (a) native, and (b) xrouter2, connected by 3 ports.
 
    let [p0, g0] = c.new_port_pair();
 
    let [p1, g1] = c.new_port_pair();
 
    let [p2, g2] = c.new_port_pair();
 
    c.add_component(b"xrouter2", &[g0, p1, p2]).unwrap();
 
    c.add_component(b"xrouter", &[g0, p1, p2]).unwrap();
 
    c.connect(None).unwrap();
 

	
 
    let now = std::time::Instant::now();
 
    for item in XROUTER2_ITEMS.iter() {
 
    for item in XROUTER_ITEMS.iter() {
 
        match item {
 
            XRouter2Item::Silent => {}
 
            XRouter2Item::GetA => {
 
            XRouterItem::Silent => {}
 
            XRouterItem::GetA => {
 
                c.put(p0, TEST_MSG.clone()).unwrap();
 
                c.get(g1).unwrap();
 
            }
 
            XRouter2Item::GetB => {
 
            XRouterItem::GetB => {
 
                c.put(p0, TEST_MSG.clone()).unwrap();
 
                c.get(g2).unwrap();
 
            }
 
        }
 
        assert_eq!(0, c.sync(SEC1).unwrap());
 
    }
 
    println!("COMP {:?}", now.elapsed());
 
}
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