nandi.uk
Fork of daniellemaywood.uk/gleam — Wasm codegen work
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1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2020 The Gleam contributors
3
4use gleam_core::{
5 analyse::TargetSupport,
6 build::{Codegen, Compile, Mode, Options, Target},
7 error::{Error, ShellCommandFailureReason},
8 paths::ProjectPaths,
9};
10use std::process::Command;
11
12pub fn command(paths: &ProjectPaths) -> Result<(), Error> {
13 // Build project
14 let _ = crate::build::main(
15 paths,
16 Options {
17 root_target_support: TargetSupport::Enforced,
18 warnings_as_errors: false,
19 codegen: Codegen::All,
20 compile: Compile::All,
21 mode: Mode::Dev,
22 target: Some(Target::Erlang),
23 no_print_progress: false,
24 },
25 crate::build::download_dependencies(paths, crate::cli::Reporter::new())?,
26 )?;
27
28 // Don't exit on ctrl+c as it is used by child erlang shell
29 ctrlc::set_handler(move || {}).expect("Error setting Ctrl-C handler");
30
31 // Prepare the Erlang shell command
32 let mut command = Command::new("erl");
33
34 // Print character lists as lists
35 let _ = command.arg("-stdlib").arg("shell_strings").arg("false");
36
37 // Specify locations of .beam files
38 let packages = paths.build_directory_for_target(Mode::Dev, Target::Erlang);
39 for entry in crate::fs::read_dir(packages)?.filter_map(Result::ok) {
40 let _ = command.arg("-pa").arg(entry.path().join("ebin"));
41 }
42
43 crate::cli::print_running("Erlang shell");
44
45 // Run the shell
46 tracing::info!("Running OS process {:?}", command);
47 let _ = command.status().map_err(|e| Error::ShellCommand {
48 program: "erl".into(),
49 reason: ShellCommandFailureReason::IoError(e.kind()),
50 })?;
51 Ok(())
52}