bjoernager/rust
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Support true and false as boolean flag params

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Implements MCP 577.
This commit is contained in:
Nilstrieb 2023-01-18 20:04:26 +01:00
parent 1f72129ffe
commit a6fda3ee7f
5 changed files with 9 additions and 9 deletions
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10
compiler/rustc_session/src/options.rs
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@ -349,7 +349,7 @@ fn build_options<O: Default>(
#[allow(non_upper_case_globals)]
mod desc {
pub const parse_no_flag: &str = "no value";
pub const parse_bool: &str = "one of: `y`, `yes`, `on`, `n`, `no`, or `off`";
pub const parse_bool: &str = "one of: `y`, `yes`, `on`, `true`, `n`, `no`, `off` or `false`";
pub const parse_opt_bool: &str = parse_bool;
pub const parse_string: &str = "a string";
pub const parse_opt_string: &str = parse_string;
@ -432,11 +432,11 @@ mod parse {
/// Use this for any boolean option that has a static default.
pub(crate) fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
match v {
Some("y") | Some("yes") | Some("on") | None => {
Some("y") | Some("yes") | Some("on") | Some("true") | None => {
*slot = true;
true
}
Some("n") | Some("no") | Some("off") => {
Some("n") | Some("no") | Some("off") | Some("false") => {
*slot = false;
true
}
@ -449,11 +449,11 @@ mod parse {
/// other factors, such as other options, or target options.)
pub(crate) fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool {
match v {
Some("y") | Some("yes") | Some("on") | None => {
Some("y") | Some("yes") | Some("on") | Some("true") | None => {
*slot = Some(true);
true
}
Some("n") | Some("no") | Some("off") => {
Some("n") | Some("no") | Some("off") | Some("false") => {
*slot = Some(false);
true
}