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Support having -Z and -C options with the same name

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Tweak the `options!` macro to allow for -Z and -C options with the same
name without generating conflicting internal parsing functions.

Split out of the commit stabilizing -Z strip as -C strip.
This commit is contained in:
Josh Triplett 2021-10-21 13:18:59 +02:00
parent 4205481110
commit c4884bbec7
1 changed files with 8 additions and 6 deletions
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14
compiler/rustc_session/src/options.rs
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@ -219,7 +219,7 @@ top_level_options!(
/// generated code to parse an option into its respective field in the struct. There are a few
/// hand-written parsers for parsing specific types of values in this module.
macro_rules! options {
($struct_name:ident, $stat:ident, $prefix:expr, $outputname:expr,
($struct_name:ident, $stat:ident, $optmod:ident, $prefix:expr, $outputname:expr,
$($( #[$attr:meta] )* $opt:ident : $t:ty = (
$init:expr,
$parse:ident,
@ -264,13 +264,15 @@ macro_rules! options {
}
pub const $stat: OptionDescrs<$struct_name> =
&[ $( (stringify!($opt), $opt, desc::$parse, $desc) ),* ];
&[ $( (stringify!($opt), $optmod::$opt, desc::$parse, $desc) ),* ];
mod $optmod {
$(
fn $opt(cg: &mut $struct_name, v: Option<&str>) -> bool {
parse::$parse(&mut redirect_field!(cg.$opt), v)
pub(super) fn $opt(cg: &mut super::$struct_name, v: Option<&str>) -> bool {
super::parse::$parse(&mut redirect_field!(cg.$opt), v)
}
)*
}
) }
@ -918,7 +920,7 @@ mod parse {
}
options! {
CodegenOptions, CG_OPTIONS, "C", "codegen",
CodegenOptions, CG_OPTIONS, cgopts, "C", "codegen",
// This list is in alphabetical order.
//
@ -1027,7 +1029,7 @@ options! {
}
options! {
DebuggingOptions, DB_OPTIONS, "Z", "debugging",
DebuggingOptions, DB_OPTIONS, dbopts, "Z", "debugging",
// This list is in alphabetical order.
//