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authorEdwin Cheng <[email protected]>2021-03-25 19:52:35 +0000
committerEdwin Cheng <[email protected]>2021-03-25 20:21:15 +0000
commit8ce15b02dea7152953775904fd937cced2422bc6 (patch)
tree7ae4be1d4da3bd083fe0bec65f9ed4f5db8eb8c4 /crates/hir_ty/src/tests
parent59fdd7c84c5fdc16573f3cca4081d6735eaa9208 (diff)
Fix recursive macro statement expansion
Diffstat (limited to 'crates/hir_ty/src/tests')
-rw-r--r--crates/hir_ty/src/tests/macros.rs40
1 files changed, 39 insertions, 1 deletions
diff --git a/crates/hir_ty/src/tests/macros.rs b/crates/hir_ty/src/tests/macros.rs
index 7eda51866..01935ec99 100644
--- a/crates/hir_ty/src/tests/macros.rs
+++ b/crates/hir_ty/src/tests/macros.rs
@@ -226,12 +226,49 @@ fn expr_macro_expanded_in_stmts() {
226 "#, 226 "#,
227 expect![[r#" 227 expect![[r#"
228 !0..8 'leta=();': () 228 !0..8 'leta=();': ()
229 !0..8 'leta=();': ()
230 !3..4 'a': ()
231 !5..7 '()': ()
229 57..84 '{ ...); } }': () 232 57..84 '{ ...); } }': ()
230 "#]], 233 "#]],
231 ); 234 );
232} 235}
233 236
234#[test] 237#[test]
238fn recurisve_macro_expanded_in_stmts() {
239 check_infer(
240 r#"
241 macro_rules! ng {
242 ([$($tts:tt)*]) => {
243 $($tts)*;
244 };
245 ([$($tts:tt)*] $head:tt $($rest:tt)*) => {
246 ng! {
247 [$($tts)* $head] $($rest)*
248 }
249 };
250 }
251 fn foo() {
252 ng!([] let a = 3);
253 let b = a;
254 }
255 "#,
256 expect![[r#"
257 !0..7 'leta=3;': {unknown}
258 !0..7 'leta=3;': {unknown}
259 !0..13 'ng!{[leta=3]}': {unknown}
260 !0..13 'ng!{[leta=]3}': {unknown}
261 !0..13 'ng!{[leta]=3}': {unknown}
262 !3..4 'a': i32
263 !5..6 '3': i32
264 196..237 '{ ...= a; }': ()
265 229..230 'b': i32
266 233..234 'a': i32
267 "#]],
268 );
269}
270
271#[test]
235fn recursive_inner_item_macro_rules() { 272fn recursive_inner_item_macro_rules() {
236 check_infer( 273 check_infer(
237 r#" 274 r#"
@@ -246,7 +283,8 @@ fn recursive_inner_item_macro_rules() {
246 "#, 283 "#,
247 expect![[r#" 284 expect![[r#"
248 !0..1 '1': i32 285 !0..1 '1': i32
249 !0..7 'mac!($)': {unknown} 286 !0..26 'macro_...>{1};}': {unknown}
287 !0..26 'macro_...>{1};}': {unknown}
250 107..143 '{ ...!(); }': () 288 107..143 '{ ...!(); }': ()
251 129..130 'a': i32 289 129..130 'a': i32
252 "#]], 290 "#]],