diff options
| -rw-r--r-- | compiler/rustc_error_codes/src/error_codes.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0192.md | 6 | ||||
| -rw-r--r-- | src/tools/tidy/src/error_codes_check.rs | 33 |
3 files changed, 34 insertions, 7 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes.rs b/compiler/rustc_error_codes/src/error_codes.rs index c401f65edda..a72681dbf4e 100644 --- a/compiler/rustc_error_codes/src/error_codes.rs +++ b/compiler/rustc_error_codes/src/error_codes.rs @@ -97,6 +97,7 @@ E0184: include_str!("./error_codes/E0184.md"), E0185: include_str!("./error_codes/E0185.md"), E0186: include_str!("./error_codes/E0186.md"), E0191: include_str!("./error_codes/E0191.md"), +E0192: include_str!("./error_codes/E0192.md"), E0193: include_str!("./error_codes/E0193.md"), E0195: include_str!("./error_codes/E0195.md"), E0197: include_str!("./error_codes/E0197.md"), @@ -522,7 +523,6 @@ E0787: include_str!("./error_codes/E0787.md"), // E0188, // can not cast an immutable reference to a mutable pointer // E0189, // deprecated: can only cast a boxed pointer to a boxed object // E0190, // deprecated: can only cast a &-pointer to an &-object -// E0192, // negative impl only applicable to auto traits // E0194, // merged into E0403 // E0196, // cannot determine a type for this closure E0208, diff --git a/compiler/rustc_error_codes/src/error_codes/E0192.md b/compiler/rustc_error_codes/src/error_codes/E0192.md index 5fd951b2e86..deca042a91a 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0192.md +++ b/compiler/rustc_error_codes/src/error_codes/E0192.md @@ -1,15 +1,17 @@ +#### Note: this error code is no longer emitted by the compiler. + A negative impl was added on a trait implementation. Erroneous code example: -```compile_fail,E0192 +```compile_fail trait Trait { type Bar; } struct Foo; -impl !Trait for Foo { } //~ ERROR E0192 +impl !Trait for Foo { } //~ ERROR fn main() {} ``` diff --git a/src/tools/tidy/src/error_codes_check.rs b/src/tools/tidy/src/error_codes_check.rs index 8ea6bb308b7..2a23d72edc0 100644 --- a/src/tools/tidy/src/error_codes_check.rs +++ b/src/tools/tidy/src/error_codes_check.rs @@ -1,7 +1,7 @@ //! Checks that all error codes have at least one test to prevent having error //! codes that are silently not thrown by the compiler anymore. -use std::collections::HashMap; +use std::collections::{HashMap, HashSet}; use std::ffi::OsStr; use std::fs::read_to_string; use std::path::Path; @@ -205,6 +205,7 @@ pub fn check(paths: &[&Path], bad: &mut bool) { let mut found_explanations = 0; let mut found_tests = 0; let mut error_codes: HashMap<String, ErrorCodeStatus> = HashMap::new(); + let mut explanations: HashSet<String> = HashSet::new(); // We want error codes which match the following cases: // // * foo(a, E0111, a) @@ -218,17 +219,27 @@ pub fn check(paths: &[&Path], bad: &mut bool) { for path in paths { super::walk(path, &mut |path| super::filter_dirs(path), &mut |entry, contents| { let file_name = entry.file_name(); + let entry_path = entry.path(); + if file_name == "error_codes.rs" { extract_error_codes(contents, &mut error_codes, entry.path(), &mut errors); found_explanations += 1; - } else if entry.path().extension() == Some(OsStr::new("stderr")) { + } else if entry_path.extension() == Some(OsStr::new("stderr")) { extract_error_codes_from_tests(contents, &mut error_codes); found_tests += 1; - } else if entry.path().extension() == Some(OsStr::new("rs")) { + } else if entry_path.extension() == Some(OsStr::new("rs")) { let path = entry.path().to_string_lossy(); if PATHS_TO_IGNORE_FOR_EXTRACTION.iter().all(|c| !path.contains(c)) { extract_error_codes_from_source(contents, &mut error_codes, ®ex); } + } else if entry_path + .parent() + .and_then(|p| p.file_name()) + .map(|p| p == "error_codes") + .unwrap_or(false) + && entry_path.extension() == Some(OsStr::new("md")) + { + explanations.insert(file_name.to_str().unwrap().replace(".md", "")); } }); } @@ -240,6 +251,10 @@ pub fn check(paths: &[&Path], bad: &mut bool) { eprintln!("No error code was found in compilation errors!"); *bad = true; } + if explanations.is_empty() { + eprintln!("No error code explanation was found!"); + *bad = true; + } if errors.is_empty() { println!("Found {} error codes", error_codes.len()); @@ -282,11 +297,21 @@ pub fn check(paths: &[&Path], bad: &mut bool) { } } } + if errors.is_empty() { + for explanation in explanations { + if !error_codes.contains_key(&explanation) { + errors.push(format!( + "{} error code explanation should be listed in `error_codes.rs`", + explanation + )); + } + } + } errors.sort(); for err in &errors { eprintln!("{}", err); } - println!("Found {} error codes with no tests", errors.len()); + println!("Found {} error(s) in error codes", errors.len()); if !errors.is_empty() { *bad = true; } |