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Add CLI test for Hello World

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This commit is contained in:
Richard Feldman 2020-04-17 06:38:15 -04:00
parent 16a783328e
commit 6f75ce6680
2 changed files with 126 additions and 5 deletions
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26
cli/src/main.rs
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@ -21,12 +21,13 @@ use roc_mono::expr::{Expr, Procs};
use roc_mono::layout::Layout;
use std::time::SystemTime;
use clap::{App, AppSettings, Arg, ArgMatches};
use clap::{App, Arg, ArgMatches};
use inkwell::targets::{
CodeModel, FileType, InitializationConfig, RelocMode, Target, TargetTriple,
};
use std::io;
use std::io::{self, ErrorKind};
use std::path::{Path, PathBuf};
use std::process;
use target_lexicon::{Architecture, OperatingSystem, Triple, Vendor};
use tokio::process::Command;
use tokio::runtime::Builder;
@ -41,7 +42,6 @@ pub static FLAG_ROC_FILE: &str = "ROC_FILE";
pub fn build_app<'a>() -> App<'a> {
App::new("roc")
.version(crate_version!())
.setting(AppSettings::AllowNegativeNumbers)
.arg(
Arg::with_name(FLAG_ROC_FILE)
.help("The .roc file to compile and run")
@ -58,7 +58,6 @@ pub fn build_app<'a>() -> App<'a> {
/// Run the CLI. This is separate from main() so that tests can call it directly.
pub fn run(matches: ArgMatches) -> io::Result<()> {
let filename = matches.value_of(FLAG_ROC_FILE).unwrap();
let opt_level = if matches.is_present(FLAG_OPTIMIZE) {
OptLevel::Optimize
} else {
@ -76,7 +75,24 @@ pub fn run(matches: ArgMatches) -> io::Result<()> {
.expect("Error spawning initial compiler thread."); // TODO make this error nicer.
// Spawn the root task
let loaded = rt.block_on(load_file(src_dir, path.canonicalize().unwrap(), opt_level));
let path = path.canonicalize().unwrap_or_else(|err| {
use ErrorKind::*;
match err.kind() {
NotFound => {
match path.to_str() {
Some(path_str) => println!("File not found: {}", path_str),
None => println!("Malformed file path : {:?}", path),
}
process::exit(1);
}
_ => {
todo!("TODO Gracefully handle opening {:?} - {:?}", path, err);
}
}
});
let loaded = rt.block_on(load_file(src_dir, path, opt_level));
loaded.expect("TODO gracefully handle LoadingProblem");