bjoernager/rust
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Provide more context for rustc +nightly -Zunstable-options on stable

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This commit is contained in:
许杰友 Jieyou Xu (Joe) 2023-06-23 05:56:09 +08:00
parent f42f19b6d3
commit cef812bd95
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GPG key ID: C5FD5D32014FDB47
19 changed files with 509 additions and 471 deletions
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9
compiler/rustc_driver_impl/src/args.rs
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@ -3,6 +3,8 @@ use std::fmt;
use std::fs;
use std::io;
use rustc_session::EarlyErrorHandler;
fn arg_expand(arg: String) -> Result<Vec<String>, Error> {
if let Some(path) = arg.strip_prefix('@') {
let file = match fs::read_to_string(path) {
@ -21,15 +23,12 @@ fn arg_expand(arg: String) -> Result<Vec<String>, Error> {
/// **Note:** This function doesn't interpret argument 0 in any special way.
/// If this function is intended to be used with command line arguments,
/// `argv[0]` must be removed prior to calling it manually.
pub fn arg_expand_all(at_args: &[String]) -> Vec<String> {
pub fn arg_expand_all(handler: &EarlyErrorHandler, at_args: &[String]) -> Vec<String> {
let mut args = Vec::new();
for arg in at_args {
match arg_expand(arg.clone()) {
Ok(arg) => args.extend(arg),
Err(err) => rustc_session::early_error(
rustc_session::config::ErrorOutputType::default(),
format!("Failed to load argument file: {err}"),
),
Err(err) => handler.early_error(format!("Failed to load argument file: {err}")),
}
}
args