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authorbors <bors@rust-lang.org>2023-11-03 22:32:56 +0000
committerbors <bors@rust-lang.org>2023-11-03 22:32:56 +0000
commit5020f7c3b8bd8bf57077389bca5c19f7911fde7a (patch)
tree73721e981942f66e90251e65628bc41fecc27032 /compiler/rustc_error_codes/src
parent1bb6553b967b69eed9ed8147e78b4f65cfc48e11 (diff)
parent5c462a32bd31d19cacbd15786fb0fa40558eda91 (diff)
downloadrust-5020f7c3b8bd8bf57077389bca5c19f7911fde7a.tar.gz
rust-5020f7c3b8bd8bf57077389bca5c19f7911fde7a.zip
Auto merge of #116412 - nnethercote:rm-plugin-support, r=bjorn3
Remove support for compiler plugins.

They've been deprecated for four years.

This commit includes the following changes.
- It eliminates the `rustc_plugin_impl` crate.
- It changes the language used for lints in `compiler/rustc_driver_impl/src/lib.rs` and `compiler/rustc_lint/src/context.rs`. External lints are now called "loaded" lints, rather than "plugins" to avoid confusion with the old plugins. This only has a tiny effect on the output of `-W help`.
- E0457 and E0498 are no longer used.
- E0463 is narrowed, now only relating to unfound crates, not plugins.
- The `plugin` feature was moved from "active" to "removed".
- It removes the entire plugins chapter from the unstable book.
- It removes quite a few tests, mostly all of those in `tests/ui-fulldeps/plugin/`.

Closes #29597.

r? `@ghost`
Diffstat (limited to 'compiler/rustc_error_codes/src')
-rw-r--r--compiler/rustc_error_codes/src/error_codes/E0457.md2
-rw-r--r--compiler/rustc_error_codes/src/error_codes/E0463.md9
-rw-r--r--compiler/rustc_error_codes/src/error_codes/E0498.md4
3 files changed, 8 insertions, 7 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0457.md b/compiler/rustc_error_codes/src/error_codes/E0457.md
index 2c33d1e6a24..e2dbf53a0f8 100644
--- a/compiler/rustc_error_codes/src/error_codes/E0457.md
+++ b/compiler/rustc_error_codes/src/error_codes/E0457.md
@@ -1,3 +1,5 @@
+#### Note: this error code is no longer emitted by the compiler`
+
 Plugin `..` only found in rlib format, but must be available in dylib format.
 
 Erroneous code example:
diff --git a/compiler/rustc_error_codes/src/error_codes/E0463.md b/compiler/rustc_error_codes/src/error_codes/E0463.md
index d0cd1b1dcb7..9bd8d0e834b 100644
--- a/compiler/rustc_error_codes/src/error_codes/E0463.md
+++ b/compiler/rustc_error_codes/src/error_codes/E0463.md
@@ -1,16 +1,13 @@
-A plugin/crate was declared but cannot be found.
+A crate was declared but cannot be found.
 
 Erroneous code example:
 
 ```compile_fail,E0463
-#![feature(plugin)]
-#![plugin(cookie_monster)] // error: can't find crate for `cookie_monster`
-extern crate cake_is_a_lie; // error: can't find crate for `cake_is_a_lie`
+extern crate foo; // error: can't find crate
 ```
 
 You need to link your code to the relevant crate in order to be able to use it
-(through Cargo or the `-L` option of rustc example). Plugins are crates as
-well, and you link to them the same way.
+(through Cargo or the `-L` option of rustc, for example).
 
 ## Common causes
 
diff --git a/compiler/rustc_error_codes/src/error_codes/E0498.md b/compiler/rustc_error_codes/src/error_codes/E0498.md
index c9ea4a7947f..a67a9317db4 100644
--- a/compiler/rustc_error_codes/src/error_codes/E0498.md
+++ b/compiler/rustc_error_codes/src/error_codes/E0498.md
@@ -1,8 +1,10 @@
+#### Note: this error code is no longer emitted by the compiler.
+
 The `plugin` attribute was malformed.
 
 Erroneous code example:
 
-```compile_fail,E0498
+```ignore (E0498 is no longer emitted)
 #![feature(plugin)]
 #![plugin(foo(args))] // error: invalid argument
 #![plugin(bar="test")] // error: invalid argument