bjoernager/rust
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location-detail: disable all location details when passed none

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Prior to this fix, `-Z location-detail` provided no mechanism for
disabling all location details. This commit also adds a test case
to verify that this option continues to work as intended, and
clarifies the documentation of this option.
This commit is contained in:
Hudson Ayers 2022-07-22 12:21:32 -07:00
parent 05e678ccca
commit 6dea21a4a2
5 changed files with 21 additions and 7 deletions
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11
compiler/rustc_session/src/options.rs
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@ -393,8 +393,7 @@ mod desc {
"either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted";
pub const parse_linker_plugin_lto: &str =
"either a boolean (`yes`, `no`, `on`, `off`, etc), or the path to the linker plugin";
pub const parse_location_detail: &str =
"comma separated list of location details to track: `file`, `line`, or `column`";
pub const parse_location_detail: &str = "either `none`, or a comma separated list of location details to track: `file`, `line`, or `column`";
pub const parse_switch_with_opt_path: &str =
"an optional path to the profiling data output directory";
pub const parse_merge_functions: &str = "one of: `disabled`, `trampolines`, or `aliases`";
@ -549,6 +548,9 @@ mod parse {
ld.line = false;
ld.file = false;
ld.column = false;
if v == "none" {
return true;
}
for s in v.split(',') {
match s {
"file" => ld.file = true,
@ -1360,8 +1362,9 @@ options! {
llvm_time_trace: bool = (false, parse_bool, [UNTRACKED],
"generate JSON tracing data file from LLVM data (default: no)"),
location_detail: LocationDetail = (LocationDetail::all(), parse_location_detail, [TRACKED],
"comma separated list of location details to be tracked when using caller_location \
valid options are `file`, `line`, and `column` (default: all)"),
"what location details should be tracked when using caller_location, either \
`none`, or a comma separated list of location details, for which \
valid options are `file`, `line`, and `column` (default: `file,line,column`)"),
ls: bool = (false, parse_bool, [UNTRACKED],
"list the symbols defined by a library crate (default: no)"),
macro_backtrace: bool = (false, parse_bool, [UNTRACKED],