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-rw-r--r--crates/ra_mbe/src/lib.rs89
1 files changed, 87 insertions, 2 deletions
diff --git a/crates/ra_mbe/src/lib.rs b/crates/ra_mbe/src/lib.rs
index 9aad08db9..e78bc734b 100644
--- a/crates/ra_mbe/src/lib.rs
+++ b/crates/ra_mbe/src/lib.rs
@@ -220,9 +220,10 @@ impl_froms!(TokenTree: Leaf, Subtree);
220 let expansion = syntax_node_to_token_tree(expansion.syntax()).unwrap().0; 220 let expansion = syntax_node_to_token_tree(expansion.syntax()).unwrap().0;
221 let file = token_tree_to_macro_items(&expansion); 221 let file = token_tree_to_macro_items(&expansion);
222 let file = file.unwrap().syntax().debug_dump().trim().to_string(); 222 let file = file.unwrap().syntax().debug_dump().trim().to_string();
223 let file = file.replace("C_C__C", "$crate"); 223 let tree = tree.unwrap().syntax().debug_dump().trim().to_string();
224 224
225 assert_eq!(tree.unwrap().syntax().debug_dump().trim(), file,); 225 let file = file.replace("C_C__C", "$crate");
226 assert_eq!(tree, file,);
226 } 227 }
227 228
228 #[test] 229 #[test]
@@ -349,6 +350,21 @@ impl_froms!(TokenTree: Leaf, Subtree);
349 } 350 }
350 351
351 #[test] 352 #[test]
353 fn test_match_group_pattern_with_multiple_statement_without_semi() {
354 let rules = create_rules(
355 r#"
356 macro_rules! foo {
357 ($ ($ i:ident),*) => ( fn baz { $ (
358 $i()
359 );*} );
360 }
361"#,
362 );
363
364 assert_expansion(&rules, "foo! { foo, bar }", "fn baz {foo () ; bar () ;}");
365 }
366
367 #[test]
352 fn test_match_group_empty_fixed_token() { 368 fn test_match_group_empty_fixed_token() {
353 let rules = create_rules( 369 let rules = create_rules(
354 r#" 370 r#"
@@ -692,6 +708,33 @@ MACRO_ITEMS@[0; 40)
692 } 708 }
693 709
694 #[test] 710 #[test]
711 fn test_ty_with_complex_type() {
712 let rules = create_rules(
713 r#"
714 macro_rules! foo {
715 ($ i:ty) => (
716 fn bar() -> $ i { unimplemented!() }
717 )
718 }
719"#,
720 );
721
722 // Reference lifetime struct with generic type
723 assert_expansion(
724 &rules,
725 "foo! { &'a Baz<u8> }",
726 "fn bar () -> & 'a Baz < u8 > {unimplemented ! ()}",
727 );
728
729 // extern "Rust" func type
730 assert_expansion(
731 &rules,
732 r#"foo! { extern "Rust" fn() -> Ret }"#,
733 r#"fn bar () -> extern "Rust" fn () -> Ret {unimplemented ! ()}"#,
734 );
735 }
736
737 #[test]
695 fn test_pat_() { 738 fn test_pat_() {
696 let rules = create_rules( 739 let rules = create_rules(
697 r#" 740 r#"
@@ -854,6 +897,26 @@ MACRO_ITEMS@[0; 40)
854 897
855 // The following tests are based on real world situations 898 // The following tests are based on real world situations
856 #[test] 899 #[test]
900 fn test_vec() {
901 let rules = create_rules(
902 r#"
903 macro_rules! vec {
904 ($($item:expr),*) => {
905 {
906 let mut v = Vec::new();
907 $(
908 v.push($item);
909 )*
910 v
911 }
912 };
913}
914"#,
915 );
916 assert_expansion(&rules, r#"vec!();"#, r#"{let mut v = Vec :: new () ; v}"#);
917 }
918
919 #[test]
857 fn test_winapi_struct() { 920 fn test_winapi_struct() {
858 // from https://github.com/retep998/winapi-rs/blob/a7ef2bca086aae76cf6c4ce4c2552988ed9798ad/src/macros.rs#L366 921 // from https://github.com/retep998/winapi-rs/blob/a7ef2bca086aae76cf6c4ce4c2552988ed9798ad/src/macros.rs#L366
859 922
@@ -886,4 +949,26 @@ macro_rules! STRUCT {
886 assert_expansion(&rules, r#"STRUCT!{#[cfg_attr(target_arch = "x86", repr(packed))] struct D3DCONTENTPROTECTIONCAPS {Caps : u8 ,}}"#, 949 assert_expansion(&rules, r#"STRUCT!{#[cfg_attr(target_arch = "x86", repr(packed))] struct D3DCONTENTPROTECTIONCAPS {Caps : u8 ,}}"#,
887 "# [repr (C)] # [derive (Copy)] # [cfg_attr (target_arch = \"x86\" , repr (packed))] pub struct D3DCONTENTPROTECTIONCAPS {pub Caps : u8 ,} impl Clone for D3DCONTENTPROTECTIONCAPS {# [inline] fn clone (& self) -> D3DCONTENTPROTECTIONCAPS {* self}} # [cfg (feature = \"impl-default\")] impl Default for D3DCONTENTPROTECTIONCAPS {# [inline] fn default () -> D3DCONTENTPROTECTIONCAPS {unsafe {$crate :: _core :: mem :: zeroed ()}}}"); 950 "# [repr (C)] # [derive (Copy)] # [cfg_attr (target_arch = \"x86\" , repr (packed))] pub struct D3DCONTENTPROTECTIONCAPS {pub Caps : u8 ,} impl Clone for D3DCONTENTPROTECTIONCAPS {# [inline] fn clone (& self) -> D3DCONTENTPROTECTIONCAPS {* self}} # [cfg (feature = \"impl-default\")] impl Default for D3DCONTENTPROTECTIONCAPS {# [inline] fn default () -> D3DCONTENTPROTECTIONCAPS {unsafe {$crate :: _core :: mem :: zeroed ()}}}");
888 } 951 }
952
953 #[test]
954 fn test_int_base() {
955 let rules = create_rules(
956 r#"
957macro_rules! int_base {
958 ($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => {
959 #[stable(feature = "rust1", since = "1.0.0")]
960 impl fmt::$Trait for $T {
961 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
962 $Radix.fmt_int(*self as $U, f)
963 }
964 }
965 }
966}
967"#,
968 );
969
970 assert_expansion(&rules, r#" int_base!{Binary for isize as usize -> Binary}"#,
971 "# [stable (feature = \"rust1\" , since = \"1.0.0\")] impl fmt :: Binary for isize {fn fmt (& self , f : & mut fmt :: Formatter < \'_ >) -> fmt :: Result {Binary . fmt_int (* self as usize , f)}}"
972 );
973 }
889} 974}