session: `output-width` -> `diagnostic-width`

Rename the `--output-width` flag to `--diagnostic-width` as this appears
to be the preferred name within the compiler team.

Signed-off-by: David Wood <david.wood@huawei.com>

3 files changed, 12 insertions, 12 deletions

diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index bad9fb576bf..b7da0f22942 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -726,7 +726,7 @@ impl Default for Options {
             prints: Vec::new(),
             cg: Default::default(),
             error_format: ErrorOutputType::default(),
-            output_width: None,
+            diagnostic_width: None,
             externs: Externs(BTreeMap::new()),
             crate_name: None,
             libs: Vec::new(),
@@ -1430,8 +1430,8 @@ pub fn rustc_optgroups() -> Vec<RustcOptGroup> {
         ),
         opt::opt_s(
             "",
-            "output-width",
-            "Inform rustc of the width of the output so that errors can be truncated to fit",
+            "diagnostic-width",
+            "Inform rustc of the width of the output so that diagnostics can be truncated to fit",
             "WIDTH",
         ),
         opt::multi_s(
@@ -2209,8 +2209,8 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
 
     let error_format = parse_error_format(matches, color, json_rendered);
 
-    let output_width = matches.opt_get("output-width").unwrap_or_else(|_| {
-        early_error(error_format, "`--output-width` must be an positive integer");
+    let diagnostic_width = matches.opt_get("diagnostic-width").unwrap_or_else(|_| {
+        early_error(error_format, "`--diagnostic-width` must be an positive integer");
     });
 
     let unparsed_crate_types = matches.opt_strs("crate-type");
@@ -2485,7 +2485,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
         prints,
         cg,
         error_format,
-        output_width,
+        diagnostic_width,
         externs,
         unstable_features: UnstableFeatures::from_environment(crate_name.as_deref()),
         crate_name,
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index b544965f6f2..b0c74ffb6dc 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -170,7 +170,7 @@ top_level_options!(
 
         test: bool [TRACKED],
         error_format: ErrorOutputType [UNTRACKED],
-        output_width: Option<usize> [UNTRACKED],
+        diagnostic_width: Option<usize> [UNTRACKED],
 
         /// If `Some`, enable incremental compilation, using the given
         /// directory to store intermediate results.
@@ -1389,7 +1389,7 @@ options! {
         "panic strategy for out-of-memory handling"),
     osx_rpath_install_name: bool = (false, parse_bool, [TRACKED],
         "pass `-install_name @rpath/...` to the macOS linker (default: no)"),
-    output_width: Option<usize> = (None, parse_opt_number, [UNTRACKED],
+    diagnostic_width: Option<usize> = (None, parse_opt_number, [UNTRACKED],
         "set the current output width for diagnostic truncation"),
     panic_abort_tests: bool = (false, parse_bool, [TRACKED],
         "support compiling tests with panic=abort (default: no)"),
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index e22b7a5539f..52b9ee94718 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -1162,7 +1162,7 @@ fn default_emitter(
                         fallback_bundle,
                         short,
                         sopts.debugging_opts.teach,
-                        sopts.output_width,
+                        sopts.diagnostic_width,
                         macro_backtrace,
                     ),
                     Some(dst) => EmitterWriter::new(
@@ -1173,7 +1173,7 @@ fn default_emitter(
                         short,
                         false, // no teach messages when writing to a buffer
                         false, // no colors when writing to a buffer
-                        None,  // no terminal width
+                        None,  // no diagnostic width
                         macro_backtrace,
                     ),
                 };
@@ -1188,7 +1188,7 @@ fn default_emitter(
                 fallback_bundle,
                 pretty,
                 json_rendered,
-                sopts.output_width,
+                sopts.diagnostic_width,
                 macro_backtrace,
             )
             .ui_testing(sopts.debugging_opts.ui_testing),
@@ -1202,7 +1202,7 @@ fn default_emitter(
                 fallback_bundle,
                 pretty,
                 json_rendered,
-                sopts.output_width,
+                sopts.diagnostic_width,
                 macro_backtrace,
             )
             .ui_testing(sopts.debugging_opts.ui_testing),