language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-11-17 18:57:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

internal: Show mir eval errors on hover with debug env var set

Browse source
This commit is contained in:
Lukas Wirth 2024-12-15 16:35:17 +01:00
parent fc18d263aa
commit 15239f612d
5 changed files with 113 additions and 97 deletions
Download patch file Download diff file Expand all files Collapse all files

65
crates/ide/src/hover/render.rs
View file

@ -1,5 +1,5 @@
//! Logic for rendering the different hover messages
use std::{mem, ops::Not};
use std::{env, mem, ops::Not};
use either::Either;
use hir::{
@ -28,6 +28,7 @@ use syntax::{algo, ast, match_ast, AstNode, AstToken, Direction, SyntaxToken, T}
use crate::{
doc_links::{remove_links, rewrite_links},
hover::{notable_traits, walk_and_push_ty},
interpret::render_const_eval_error,
HoverAction, HoverConfig, HoverResult, Markup, MemoryLayoutHoverConfig,
MemoryLayoutHoverRenderKind,
};
@ -464,41 +465,77 @@ pub(super) fn definition(
Ok(it) => {
Some(if it >= 10 { format!("{it} ({it:#X})") } else { format!("{it}") })
}
Err(_) => it.value(db).map(|it| format!("{it:?}")),
Err(err) => {
let res = it.value(db).map(|it| format!("{it:?}"));
if env::var_os("RA_DEV").is_some() {
let res = res.as_deref().unwrap_or("");
Some(format!("{res} ({})", render_const_eval_error(db, err, edition)))
} else {
res
}
}
}
} else {
None
}
}
Definition::Const(it) => {
let body = it.render_eval(db, edition);
match body {
Ok(it) => Some(it),
Err(_) => {
let body = it.eval(db);
Some(match body {
Ok(it) => match it.render_debug(db) {
Ok(it) => it,
Err(err) => {
let it = it.render(db, edition);
if env::var_os("RA_DEV").is_some() {
format!("{it}\n{}", render_const_eval_error(db, err.into(), edition))
} else {
it
}
}
},
Err(err) => {
let source = it.source(db)?;
let mut body = source.value.body()?.syntax().clone();
if let Some(macro_file) = source.file_id.macro_file() {
let span_map = db.expansion_span_map(macro_file);
body = prettify_macro_expansion(db, body, &span_map, it.krate(db).into());
}
Some(body.to_string())
if env::var_os("RA_DEV").is_some() {
format!("{body}\n{}", render_const_eval_error(db, err, edition))
} else {
body.to_string()
}
}
}
})
}
Definition::Static(it) => {
let body = it.render_eval(db, edition);
match body {
Ok(it) => Some(it),
Err(_) => {
let body = it.eval(db);
Some(match body {
Ok(it) => match it.render_debug(db) {
Ok(it) => it,
Err(err) => {
let it = it.render(db, edition);
if env::var_os("RA_DEV").is_some() {
format!("{it}\n{}", render_const_eval_error(db, err.into(), edition))
} else {
it
}
}
},
Err(err) => {
let source = it.source(db)?;
let mut body = source.value.body()?.syntax().clone();
if let Some(macro_file) = source.file_id.macro_file() {
let span_map = db.expansion_span_map(macro_file);
body = prettify_macro_expansion(db, body, &span_map, it.krate(db).into());
}
Some(body.to_string())
if env::var_os("RA_DEV").is_some() {
format!("{body}\n{}", render_const_eval_error(db, err, edition))
} else {
body.to_string()
}
}
}
})
}
_ => None,
};