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feat: Add an assist to extract an expression into a constant

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This commit is contained in:
Giga Bowser 2024-12-09 16:23:36 -05:00
parent 17e482b1a9
commit 1979d3f9b5
3 changed files with 847 additions and 189 deletions
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896
crates/ide-assists/src/handlers/extract_variable.rs
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File diff suppressed because it is too large Load Diff

122
crates/ide-assists/src/tests.rs
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@ -363,6 +363,7 @@ pub fn test_some_range(a: int) -> bool {
expect![[r#" expect![[r#"
Convert integer base Convert integer base
Extract into variable Extract into variable
Extract into constant
Extract into function Extract into function
Replace if let with match Replace if let with match
"#]] "#]]
@ -392,6 +393,7 @@ pub fn test_some_range(a: int) -> bool {
expect![[r#" expect![[r#"
Convert integer base Convert integer base
Extract into variable Extract into variable
Extract into constant
Extract into function Extract into function
Replace if let with match Replace if let with match
"#]] "#]]
@ -406,6 +408,7 @@ pub fn test_some_range(a: int) -> bool {
expect![[r#" expect![[r#"
Extract into variable Extract into variable
Extract into constant
Extract into function Extract into function
"#]] "#]]
.assert_eq(&expected); .assert_eq(&expected);
@ -440,7 +443,7 @@ pub fn test_some_range(a: int) -> bool {
{ {
let assists = assists(&db, &cfg, AssistResolveStrategy::None, frange.into()); let assists = assists(&db, &cfg, AssistResolveStrategy::None, frange.into());
assert_eq!(2, assists.len()); assert_eq!(3, assists.len());
let mut assists = assists.into_iter(); let mut assists = assists.into_iter();
let extract_into_variable_assist = assists.next().unwrap(); let extract_into_variable_assist = assists.next().unwrap();
@ -459,6 +462,22 @@ pub fn test_some_range(a: int) -> bool {
"#]] "#]]
.assert_debug_eq(&extract_into_variable_assist); .assert_debug_eq(&extract_into_variable_assist);
let extract_into_constant_assist = assists.next().unwrap();
expect![[r#"
Assist {
id: AssistId(
"extract_constant",
RefactorExtract,
),
label: "Extract into constant",
group: None,
target: 59..60,
source_change: None,
command: None,
}
"#]]
.assert_debug_eq(&extract_into_constant_assist);
let extract_into_function_assist = assists.next().unwrap(); let extract_into_function_assist = assists.next().unwrap();
expect![[r#" expect![[r#"
Assist { Assist {
@ -486,7 +505,7 @@ pub fn test_some_range(a: int) -> bool {
}), }),
frange.into(), frange.into(),
); );
assert_eq!(2, assists.len()); assert_eq!(3, assists.len());
let mut assists = assists.into_iter(); let mut assists = assists.into_iter();
let extract_into_variable_assist = assists.next().unwrap(); let extract_into_variable_assist = assists.next().unwrap();
@ -505,6 +524,22 @@ pub fn test_some_range(a: int) -> bool {
"#]] "#]]
.assert_debug_eq(&extract_into_variable_assist); .assert_debug_eq(&extract_into_variable_assist);
let extract_into_constant_assist = assists.next().unwrap();
expect![[r#"
Assist {
id: AssistId(
"extract_constant",
RefactorExtract,
),
label: "Extract into constant",
group: None,
target: 59..60,
source_change: None,
command: None,
}
"#]]
.assert_debug_eq(&extract_into_constant_assist);
let extract_into_function_assist = assists.next().unwrap(); let extract_into_function_assist = assists.next().unwrap();
expect![[r#" expect![[r#"
Assist { Assist {
@ -532,7 +567,7 @@ pub fn test_some_range(a: int) -> bool {
}), }),
frange.into(), frange.into(),
); );
assert_eq!(2, assists.len()); assert_eq!(3, assists.len());
let mut assists = assists.into_iter(); let mut assists = assists.into_iter();
let extract_into_variable_assist = assists.next().unwrap(); let extract_into_variable_assist = assists.next().unwrap();
@ -594,6 +629,22 @@ pub fn test_some_range(a: int) -> bool {
"#]] "#]]
.assert_debug_eq(&extract_into_variable_assist); .assert_debug_eq(&extract_into_variable_assist);
let extract_into_constant_assist = assists.next().unwrap();
expect![[r#"
Assist {
id: AssistId(
"extract_constant",
RefactorExtract,
),
label: "Extract into constant",
group: None,
target: 59..60,
source_change: None,
command: None,
}
"#]]
.assert_debug_eq(&extract_into_constant_assist);
let extract_into_function_assist = assists.next().unwrap(); let extract_into_function_assist = assists.next().unwrap();
expect![[r#" expect![[r#"
Assist { Assist {
@ -613,7 +664,7 @@ pub fn test_some_range(a: int) -> bool {
{ {
let assists = assists(&db, &cfg, AssistResolveStrategy::All, frange.into()); let assists = assists(&db, &cfg, AssistResolveStrategy::All, frange.into());
assert_eq!(2, assists.len()); assert_eq!(3, assists.len());
let mut assists = assists.into_iter(); let mut assists = assists.into_iter();
let extract_into_variable_assist = assists.next().unwrap(); let extract_into_variable_assist = assists.next().unwrap();
@ -675,6 +726,69 @@ pub fn test_some_range(a: int) -> bool {
"#]] "#]]
.assert_debug_eq(&extract_into_variable_assist); .assert_debug_eq(&extract_into_variable_assist);
let extract_into_constant_assist = assists.next().unwrap();
expect![[r#"
Assist {
id: AssistId(
"extract_constant",
RefactorExtract,
),
label: "Extract into constant",
group: None,
target: 59..60,
source_change: Some(
SourceChange {
source_file_edits: {
FileId(
0,
): (
TextEdit {
indels: [
Indel {
insert: "const",
delete: 45..47,
},
Indel {
insert: "VAR_NAME:",
delete: 48..60,
},
Indel {
insert: "i32",
delete: 61..81,
},
Indel {
insert: "=",
delete: 82..86,
},
Indel {
insert: "5;\n if let 2..6 = VAR_NAME {\n true\n } else {\n false\n }",
delete: 87..108,
},
],
},
Some(
SnippetEdit(
[
(
0,
51..51,
),
],
),
),
),
},
file_system_edits: [],
is_snippet: true,
},
),
command: Some(
Rename,
),
}
"#]]
.assert_debug_eq(&extract_into_constant_assist);
let extract_into_function_assist = assists.next().unwrap(); let extract_into_function_assist = assists.next().unwrap();
expect![[r#" expect![[r#"
Assist { Assist {

18
crates/ide-assists/src/tests/generated.rs
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@ -932,6 +932,24 @@ enum TheEnum {
) )
} }
#[test]
fn doctest_extract_constant() {
check_doc_test(
"extract_constant",
r#####"
fn main() {
$0(1 + 2)$0 * 4;
}
"#####,
r#####"
fn main() {
const $0VAR_NAME: i32 = 1 + 2;
VAR_NAME * 4;
}
"#####,
)
}
#[test] #[test]
fn doctest_extract_expressions_from_format_string() { fn doctest_extract_expressions_from_format_string() {
check_doc_test( check_doc_test(