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Minor improvement on else-no-if diagnostic #97370

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merged 1 commit into from
May 25, 2022
Merged

Minor improvement on else-no-if diagnostic #97370

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9 changes: 1 addition & 8 deletions compiler/rustc_parse/src/parser/expr.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2291,16 +2291,9 @@ impl<'a> Parser<'a> {
.span_label(else_span, "expected an `if` or a block after this `else`")
.span_suggestion(
cond.span.shrink_to_lo(),
"add an `if` if this is the condition to an chained `if` statement after the `else`",
"add an `if` if this is the condition of a chained `else if` statement",
"if ".to_string(),
Applicability::MaybeIncorrect,
).multipart_suggestion(
"... otherwise, place this expression inside of a block if it is not an `if` condition",
vec![
(cond.span.shrink_to_lo(), "{ ".to_string()),
(cond.span.shrink_to_hi(), " }".to_string()),
],
Applicability::MaybeIncorrect,
)
.emit();
self.parse_if_after_cond(AttrVec::new(), cond.span.shrink_to_lo(), cond)?
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12 changes: 2 additions & 10 deletions src/test/ui/parser/else-no-if.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,10 @@ LL | } else false {
| |
| expected an `if` or a block after this `else`
|
help: add an `if` if this is the condition to an chained `if` statement after the `else`
help: add an `if` if this is the condition of a chained `else if` statement
|
LL | } else if false {
| ++
help: ... otherwise, place this expression inside of a block if it is not an `if` condition
|
LL | } else { false } {
| + +

error: expected `{`, found `falsy`
--> $DIR/else-no-if.rs:10:12
Expand All @@ -23,14 +19,10 @@ LL | } else falsy() {
| |
| expected an `if` or a block after this `else`
|
help: add an `if` if this is the condition to an chained `if` statement after the `else`
help: add an `if` if this is the condition of a chained `else if` statement
|
LL | } else if falsy() {
| ++
help: ... otherwise, place this expression inside of a block if it is not an `if` condition
|
LL | } else { falsy() } {
| + +

error: expected `{`, found `falsy`
--> $DIR/else-no-if.rs:17:12
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