diff options
Diffstat (limited to 'crates/ra_assists/src/handlers/replace_unwrap_with_match.rs')
-rw-r--r-- | crates/ra_assists/src/handlers/replace_unwrap_with_match.rs | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/crates/ra_assists/src/handlers/replace_unwrap_with_match.rs b/crates/ra_assists/src/handlers/replace_unwrap_with_match.rs index c6b73da67..a46998b8e 100644 --- a/crates/ra_assists/src/handlers/replace_unwrap_with_match.rs +++ b/crates/ra_assists/src/handlers/replace_unwrap_with_match.rs | |||
@@ -5,7 +5,7 @@ use ra_syntax::{ | |||
5 | AstNode, | 5 | AstNode, |
6 | }; | 6 | }; |
7 | 7 | ||
8 | use crate::{utils::TryEnum, Assist, AssistCtx, AssistId}; | 8 | use crate::{utils::TryEnum, AssistContext, AssistId, Assists}; |
9 | 9 | ||
10 | // Assist: replace_unwrap_with_match | 10 | // Assist: replace_unwrap_with_match |
11 | // | 11 | // |
@@ -29,7 +29,7 @@ use crate::{utils::TryEnum, Assist, AssistCtx, AssistId}; | |||
29 | // }; | 29 | // }; |
30 | // } | 30 | // } |
31 | // ``` | 31 | // ``` |
32 | pub(crate) fn replace_unwrap_with_match(ctx: AssistCtx) -> Option<Assist> { | 32 | pub(crate) fn replace_unwrap_with_match(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { |
33 | let method_call: ast::MethodCallExpr = ctx.find_node_at_offset()?; | 33 | let method_call: ast::MethodCallExpr = ctx.find_node_at_offset()?; |
34 | let name = method_call.name_ref()?; | 34 | let name = method_call.name_ref()?; |
35 | if name.text() != "unwrap" { | 35 | if name.text() != "unwrap" { |
@@ -37,33 +37,26 @@ pub(crate) fn replace_unwrap_with_match(ctx: AssistCtx) -> Option<Assist> { | |||
37 | } | 37 | } |
38 | let caller = method_call.expr()?; | 38 | let caller = method_call.expr()?; |
39 | let ty = ctx.sema.type_of_expr(&caller)?; | 39 | let ty = ctx.sema.type_of_expr(&caller)?; |
40 | let happy_variant = TryEnum::from_ty(ctx.sema, &ty)?.happy_case(); | 40 | let happy_variant = TryEnum::from_ty(&ctx.sema, &ty)?.happy_case(); |
41 | let target = method_call.syntax().text_range(); | 41 | let target = method_call.syntax().text_range(); |
42 | ctx.add_assist( | 42 | acc.add(AssistId("replace_unwrap_with_match"), "Replace unwrap with match", target, |edit| { |
43 | AssistId("replace_unwrap_with_match"), | 43 | let ok_path = make::path_unqualified(make::path_segment(make::name_ref(happy_variant))); |
44 | "Replace unwrap with match", | 44 | let it = make::bind_pat(make::name("a")).into(); |
45 | target, | 45 | let ok_tuple = make::tuple_struct_pat(ok_path, iter::once(it)).into(); |
46 | |edit| { | ||
47 | let ok_path = make::path_unqualified(make::path_segment(make::name_ref(happy_variant))); | ||
48 | let it = make::bind_pat(make::name("a")).into(); | ||
49 | let ok_tuple = make::tuple_struct_pat(ok_path, iter::once(it)).into(); | ||
50 | 46 | ||
51 | let bind_path = make::path_unqualified(make::path_segment(make::name_ref("a"))); | 47 | let bind_path = make::path_unqualified(make::path_segment(make::name_ref("a"))); |
52 | let ok_arm = make::match_arm(iter::once(ok_tuple), make::expr_path(bind_path)); | 48 | let ok_arm = make::match_arm(iter::once(ok_tuple), make::expr_path(bind_path)); |
53 | 49 | ||
54 | let unreachable_call = make::unreachable_macro_call().into(); | 50 | let unreachable_call = make::unreachable_macro_call().into(); |
55 | let err_arm = | 51 | let err_arm = make::match_arm(iter::once(make::placeholder_pat().into()), unreachable_call); |
56 | make::match_arm(iter::once(make::placeholder_pat().into()), unreachable_call); | ||
57 | 52 | ||
58 | let match_arm_list = make::match_arm_list(vec![ok_arm, err_arm]); | 53 | let match_arm_list = make::match_arm_list(vec![ok_arm, err_arm]); |
59 | let match_expr = make::expr_match(caller.clone(), match_arm_list); | 54 | let match_expr = make::expr_match(caller.clone(), match_arm_list); |
60 | let match_expr = | 55 | let match_expr = IndentLevel::from_node(method_call.syntax()).increase_indent(match_expr); |
61 | IndentLevel::from_node(method_call.syntax()).increase_indent(match_expr); | ||
62 | 56 | ||
63 | edit.set_cursor(caller.syntax().text_range().start()); | 57 | edit.set_cursor(caller.syntax().text_range().start()); |
64 | edit.replace_ast::<ast::Expr>(method_call.into(), match_expr); | 58 | edit.replace_ast::<ast::Expr>(method_call.into(), match_expr); |
65 | }, | 59 | }) |
66 | ) | ||
67 | } | 60 | } |
68 | 61 | ||
69 | #[cfg(test)] | 62 | #[cfg(test)] |