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Merge pull request #2289 from y1lan/fix_compiler_err_of_examples 

Fix compile errors of all the examples
This commit is contained in:
Tshepang Mbambo 2025-03-29 23:10:13 +02:00 committed by GitHub
parent fdca2d3605 832299550c
commit 01bbdec63c
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GPG Key ID: B5690EEEBB952194
5 changed files with 16 additions and 17 deletions
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7
examples/rustc-driver-example.rs
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@ -1,4 +1,4 @@
// Tested with nightly-2025-02-13
// Tested with nightly-2025-03-08
#![feature(rustc_private)]
@ -71,9 +71,8 @@ impl rustc_driver::Callbacks for MyCallbacks {
fn after_analysis(&mut self, _compiler: &Compiler, tcx: TyCtxt<'_>) -> Compilation {
// Analyze the program and inspect the types of definitions.
for id in tcx.hir().items() {
let hir = tcx.hir();
let item = hir.item(id);
for id in tcx.hir_free_items(){
let item = &tcx.hir_item(id);
match item.kind {
rustc_hir::ItemKind::Static(_, _, _) | rustc_hir::ItemKind::Fn { .. } => {
let name = item.ident;

8
examples/rustc-driver-interacting-with-the-ast.rs
View File

@ -1,4 +1,4 @@
// Tested with nightly-2025-02-13
// Tested with nightly-2025-03-08
#![feature(rustc_private)]
@ -70,11 +70,9 @@ impl rustc_driver::Callbacks for MyCallbacks {
}
fn after_analysis(&mut self, _compiler: &Compiler, tcx: TyCtxt<'_>) -> Compilation {
// Every compilation contains a single crate.
let hir_krate = tcx.hir();
// Iterate over the top-level items in the crate, looking for the main function.
for id in hir_krate.items() {
let item = hir_krate.item(id);
for id in tcx.hir_free_items(){
let item = &tcx.hir_item(id);
// Use pattern-matching to find a specific node inside the main function.
if let rustc_hir::ItemKind::Fn { body, .. } = item.kind {
let expr = &tcx.hir_body(body).value;

7
examples/rustc-interface-example.rs
View File

@ -1,4 +1,4 @@
// Tested with nightly-2025-02-13
// Tested with nightly-2025-03-08
#![feature(rustc_private)]
@ -64,9 +64,8 @@ fn main() {
println!("{krate:?}");
// Analyze the program and inspect the types of definitions.
rustc_interface::create_and_enter_global_ctxt(&compiler, krate, |tcx| {
for id in tcx.hir().items() {
let hir = tcx.hir();
let item = hir.item(id);
for id in tcx.hir_free_items() {
let item = tcx.hir_item(id);
match item.kind {
rustc_hir::ItemKind::Static(_, _, _) | rustc_hir::ItemKind::Fn { .. } => {
let name = item.ident;

8
examples/rustc-interface-getting-diagnostics.rs
View File

@ -1,4 +1,4 @@
// Tested with nightly-2025-02-13
// Tested with nightly-2025-03-08
#![feature(rustc_private)]
@ -86,8 +86,10 @@ fn main() {
rustc_interface::run_compiler(config, |compiler| {
let krate = rustc_interface::passes::parse(&compiler.sess);
rustc_interface::create_and_enter_global_ctxt(&compiler, krate, |tcx| {
// Run the analysis phase on the local crate to trigger the type error.
let _ = tcx.analysis(());
// Iterate all the items defined and perform type checking.
tcx.par_hir_body_owners(|item_def_id| {
tcx.ensure_ok().typeck(item_def_id);
});
});
// If the compiler has encountered errors when this closure returns, it will abort (!) the program.
// We avoid this by resetting the error count before returning

3
src/rustc-driver/getting-diagnostics.md
View File

@ -7,7 +7,7 @@ otherwise be printed to stderr.
To get diagnostics from the compiler,
configure [`rustc_interface::Config`] to output diagnostic to a buffer,
and run [`TyCtxt.analysis`].
and run [`rustc_hir_typeck::typeck`] for each item.
```rust
{{#include ../../examples/rustc-interface-getting-diagnostics.rs}}
@ -16,3 +16,4 @@ and run [`TyCtxt.analysis`].
[`rustc_interface`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/index.html
[`rustc_interface::Config`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/struct.Config.html
[`TyCtxt.analysis`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/passes/fn.analysis.html
[`rustc_hir_typeck::typeck`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_hir_typeck/fn.typeck.html