Croissant Runtime
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crsn/launcher/src/main.rs

190 lines
5.2 KiB

4 years ago
#[macro_use]
extern crate log;
use std::collections::HashMap;
use std::time::Duration;
use clappconfig::{AppConfig, clap};
use clappconfig::clap::ArgMatches;
use serde::{Deserialize, Serialize};
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use crsn::asm::data::literal::Addr;
use crsn::module::{OpTrait, CrsnUniq};
use crsn::runtime::run_thread::{RunThread, ThreadToken, ThreadParams};
use crsn_arith::ArithOps;
use crsn_screen::ScreenOps;
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use crsn_stdio::StdioOps;
use crsn_buf::BufOps;
mod read_file;
mod serde_duration_millis;
#[derive(Debug, Clone, Serialize, Deserialize)]
struct LogConfig {
level: String,
modules: HashMap<String, String>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(default)]
struct Config {
log: LogConfig,
#[serde(skip)]
program_file: String,
#[serde(skip)]
assemble_only: bool,
#[serde(skip)]
assemble_debug: bool,
#[serde(with = "serde_duration_millis")]
cycle_time: Duration,
}
impl Default for Config {
fn default() -> Self {
Self {
log: LogConfig {
level: "warn".to_string(),
modules: Default::default(),
},
program_file: "".to_string(),
assemble_only: false,
assemble_debug: false,
cycle_time: Duration::default(),
}
}
}
impl AppConfig for Config {
type Init = Self;
fn logging(&self) -> &str {
&self.log.level
}
fn logging_mod_levels(&self) -> Option<&HashMap<String, String>> {
Some(&self.log.modules)
}
fn pre_log_println(_message: String) {
// shut up
}
fn print_banner(_name: &str, _version: &str) {
// No banner
}
/// Add args to later use in the `configure` method.
fn add_args<'a: 'b, 'b>(clap: clap::App<'a, 'b>) -> clap::App<'a, 'b> {
// Default impl
clap
.arg(
clap::Arg::with_name("input")
.value_name("FILE")
.help("Program to run")
.required_unless("default-config")
.takes_value(true),
)
.arg(
clap::Arg::with_name("asm-only")
.short("P")
.long("asm")
.help("Only assemble, do not run."),
)
.arg(
clap::Arg::with_name("asm-debug")
.short("D")
.long("asm-debug")
.help("Only assemble, do not run. Print the result in debug format."),
)
.arg(
clap::Arg::with_name("cycle")
.long("cycle")
.short("C")
.value_name("MICROS")
.help("Cycle time (us, append \"s\" or \"ms\" for coarser time)")
.takes_value(true),
)
}
fn configure(mut self, clap: &ArgMatches) -> anyhow::Result<Self> {
self.program_file = clap.value_of("input").unwrap().to_string();
self.assemble_debug = clap.is_present("asm-debug");
self.assemble_only = self.assemble_debug || clap.is_present("asm-only");
if let Some(t) = clap.value_of("cycle") {
let (t, mul) = if t.ends_with("us") {
(&t[..(t.len()-2)], 1)
} else if t.ends_with("ms") {
(&t[..(t.len()-2)], 1000)
} else if t.ends_with("m") {
(&t[..(t.len()-1)], 1000)
} else if t.ends_with("u") {
(&t[..(t.len()-1)], 1)
} else if t.ends_with("s") {
(&t[..(t.len()-1)], 1000_000)
} else {
(t, 1)
};
self.cycle_time = Duration::from_micros(t.parse::<u64>().expect("parse -C value") * mul);
println!("ct = {:?}", self.cycle_time);
}
Ok(self)
}
}
fn main() -> anyhow::Result<()> {
let config = Config::init("crsn", "crsn.json5", env!("CARGO_PKG_VERSION"))?;
debug!("Loading {}", config.program_file);
let source = read_file::read_file(&config.program_file)?;
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let uniq = CrsnUniq::new();
let parsed = crsn::asm::assemble(&source, &uniq, vec![
ArithOps::new(),
BufOps::new(),
ScreenOps::new(),
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StdioOps::new(),
])?;
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if config.assemble_only {
println!("--- {} ---", config.program_file);
for (n, op) in parsed.ops.iter().enumerate() {
if config.assemble_debug {
println!("{:04} : {:?}", n, op);
} else {
println!("{:04} : {}", n, op.to_sexp());
}
}
return Ok(());
} else {
trace!("--- Compiled program ---");
for (n, op) in parsed.ops.iter().enumerate() {
trace!("{:04} : {}", n, op.to_sexp());
}
trace!("------------------------");
}
debug!("Start runtime");
let args = &[];
let thread = RunThread::new(ThreadParams {
id: ThreadToken(0),
uniq,
program: parsed,
pc: Addr(0),
cycle_time: config.cycle_time,
args
});
// run without spawning, so it is on the main thread - required by some extensions
thread.run();
debug!("Runtime shut down.");
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Ok(())
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}