diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 69a7235802b..6a33826ea28 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -932,25 +932,22 @@ enum SuggestionText { labels .push((provided_span, format!("unexpected argument{}", provided_ty_name))); let mut span = provided_span; - if arg_idx.index() > 0 + if span.can_be_used_for_suggestions() { + if arg_idx.index() > 0 && let Some((_, prev)) = provided_arg_tys .get(ProvidedIdx::from_usize(arg_idx.index() - 1) ) { // Include previous comma - span = span.with_lo(prev.hi()); - } else if let Some((_, next)) = provided_arg_tys.get( - ProvidedIdx::from_usize(arg_idx.index() + 1), - ) { - // Include next comma - span = span.until(*next); + span = prev.shrink_to_hi().to(span); } - suggestions.push((span, String::new())); + suggestions.push((span, String::new())); - suggestion_text = match suggestion_text { - SuggestionText::None => SuggestionText::Remove(false), - SuggestionText::Remove(_) => SuggestionText::Remove(true), - _ => SuggestionText::DidYouMean, - }; + suggestion_text = match suggestion_text { + SuggestionText::None => SuggestionText::Remove(false), + SuggestionText::Remove(_) => SuggestionText::Remove(true), + _ => SuggestionText::DidYouMean, + }; + } } Error::Missing(expected_idx) => { // If there are multiple missing arguments adjacent to each other, diff --git a/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr b/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr index d1b9d7a40b4..eb739b149a1 100644 --- a/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr +++ b/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr @@ -7,10 +7,7 @@ LL | fn oom() -> ! { | _-^^^^^^^^^^^^ LL | | loop {} LL | | } - | | - - | | | - | |_unexpected argument of type `core::alloc::Layout` - | help: remove the extra argument + | |_- unexpected argument of type `core::alloc::Layout` | note: function defined here --> $DIR/alloc-error-handler-bad-signature-3.rs:10:4 diff --git a/tests/ui/argument-suggestions/extra_arguments.rs b/tests/ui/argument-suggestions/extra_arguments.rs index 3f83de95e2d..1442062326d 100644 --- a/tests/ui/argument-suggestions/extra_arguments.rs +++ b/tests/ui/argument-suggestions/extra_arguments.rs @@ -3,8 +3,15 @@ fn one_arg(_a: i32) {} fn two_arg_same(_a: i32, _b: i32) {} fn two_arg_diff(_a: i32, _b: &str) {} +macro_rules! foo { + ($x:expr) => { + empty($x, 1); //~ ERROR function takes + } +} + fn main() { empty(""); //~ ERROR function takes + empty(1, 1); //~ ERROR function takes one_arg(1, 1); //~ ERROR function takes one_arg(1, ""); //~ ERROR function takes @@ -32,4 +39,5 @@ fn main() { 1, "" ); + foo!(1); } diff --git a/tests/ui/argument-suggestions/extra_arguments.stderr b/tests/ui/argument-suggestions/extra_arguments.stderr index 0911685b428..11c71099743 100644 --- a/tests/ui/argument-suggestions/extra_arguments.stderr +++ b/tests/ui/argument-suggestions/extra_arguments.stderr @@ -1,5 +1,5 @@ error[E0061]: this function takes 0 arguments but 1 argument was supplied - --> $DIR/extra_arguments.rs:7:3 + --> $DIR/extra_arguments.rs:13:3 | LL | empty(""); | ^^^^^ -- @@ -13,8 +13,27 @@ note: function defined here LL | fn empty() {} | ^^^^^ +error[E0061]: this function takes 0 arguments but 2 arguments were supplied + --> $DIR/extra_arguments.rs:14:3 + | +LL | empty(1, 1); + | ^^^^^ - - unexpected argument of type `{integer}` + | | + | unexpected argument of type `{integer}` + | +note: function defined here + --> $DIR/extra_arguments.rs:1:4 + | +LL | fn empty() {} + | ^^^^^ +help: remove the extra arguments + | +LL - empty(1, 1); +LL + empty(); + | + error[E0061]: this function takes 1 argument but 2 arguments were supplied - --> $DIR/extra_arguments.rs:9:3 + --> $DIR/extra_arguments.rs:16:3 | LL | one_arg(1, 1); | ^^^^^^^ --- @@ -29,7 +48,7 @@ LL | fn one_arg(_a: i32) {} | ^^^^^^^ ------- error[E0061]: this function takes 1 argument but 2 arguments were supplied - --> $DIR/extra_arguments.rs:10:3 + --> $DIR/extra_arguments.rs:17:3 | LL | one_arg(1, ""); | ^^^^^^^ ---- @@ -44,7 +63,7 @@ LL | fn one_arg(_a: i32) {} | ^^^^^^^ ------- error[E0061]: this function takes 1 argument but 3 arguments were supplied - --> $DIR/extra_arguments.rs:11:3 + --> $DIR/extra_arguments.rs:18:3 | LL | one_arg(1, "", 1.0); | ^^^^^^^ -- --- unexpected argument of type `{float}` @@ -63,7 +82,7 @@ LL + one_arg(1); | error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:13:3 + --> $DIR/extra_arguments.rs:20:3 | LL | two_arg_same(1, 1, 1); | ^^^^^^^^^^^^ --- @@ -78,7 +97,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:14:3 + --> $DIR/extra_arguments.rs:21:3 | LL | two_arg_same(1, 1, 1.0); | ^^^^^^^^^^^^ ----- @@ -93,7 +112,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:16:3 + --> $DIR/extra_arguments.rs:23:3 | LL | two_arg_diff(1, 1, ""); | ^^^^^^^^^^^^ --- @@ -108,7 +127,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:17:3 + --> $DIR/extra_arguments.rs:24:3 | LL | two_arg_diff(1, "", ""); | ^^^^^^^^^^^^ ---- @@ -123,7 +142,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- error[E0061]: this function takes 2 arguments but 4 arguments were supplied - --> $DIR/extra_arguments.rs:18:3 + --> $DIR/extra_arguments.rs:25:3 | LL | two_arg_diff(1, 1, "", ""); | ^^^^^^^^^^^^ - -- unexpected argument of type `&'static str` @@ -142,7 +161,7 @@ LL + two_arg_diff(1, ""); | error[E0061]: this function takes 2 arguments but 4 arguments were supplied - --> $DIR/extra_arguments.rs:19:3 + --> $DIR/extra_arguments.rs:26:3 | LL | two_arg_diff(1, "", 1, ""); | ^^^^^^^^^^^^ - -- unexpected argument of type `&'static str` @@ -161,7 +180,7 @@ LL + two_arg_diff(1, ""); | error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:22:3 + --> $DIR/extra_arguments.rs:29:3 | LL | two_arg_same(1, 1, ""); | ^^^^^^^^^^^^ -------- @@ -176,7 +195,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:23:3 + --> $DIR/extra_arguments.rs:30:3 | LL | two_arg_diff(1, 1, ""); | ^^^^^^^^^^^^ --- @@ -191,7 +210,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:24:3 + --> $DIR/extra_arguments.rs:31:3 | LL | two_arg_same( | ^^^^^^^^^^^^ @@ -211,7 +230,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:30:3 + --> $DIR/extra_arguments.rs:37:3 | LL | two_arg_diff( | ^^^^^^^^^^^^ @@ -229,6 +248,26 @@ note: function defined here LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- -error: aborting due to 14 previous errors +error[E0061]: this function takes 0 arguments but 2 arguments were supplied + --> $DIR/extra_arguments.rs:8:9 + | +LL | empty($x, 1); + | ^^^^^ - unexpected argument of type `{integer}` +... +LL | foo!(1); + | ------- + | | | + | | unexpected argument of type `{integer}` + | | help: remove the extra argument + | in this macro invocation + | +note: function defined here + --> $DIR/extra_arguments.rs:1:4 + | +LL | fn empty() {} + | ^^^^^ + = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 16 previous errors For more information about this error, try `rustc --explain E0061`. diff --git a/tests/ui/issues/issue-26094.rs b/tests/ui/issues/issue-26094.rs index abf3543ddb9..2742529edd3 100644 --- a/tests/ui/issues/issue-26094.rs +++ b/tests/ui/issues/issue-26094.rs @@ -1,7 +1,7 @@ macro_rules! some_macro { - ($other: expr) => ({ + ($other: expr) => {{ $other(None) //~ NOTE unexpected argument of type `Option<_>` - }) + }}; } fn some_function() {} //~ NOTE defined here @@ -9,5 +9,4 @@ fn some_function() {} //~ NOTE defined here fn main() { some_macro!(some_function); //~^ ERROR function takes 0 arguments but 1 argument was supplied - //~| NOTE in this expansion of some_macro! } diff --git a/tests/ui/issues/issue-26094.stderr b/tests/ui/issues/issue-26094.stderr index 608d2c7aff9..ecdf48470f7 100644 --- a/tests/ui/issues/issue-26094.stderr +++ b/tests/ui/issues/issue-26094.stderr @@ -2,10 +2,7 @@ error[E0061]: this function takes 0 arguments but 1 argument was supplied --> $DIR/issue-26094.rs:10:17 | LL | $other(None) - | ---- - | | - | unexpected argument of type `Option<_>` - | help: remove the extra argument + | ---- unexpected argument of type `Option<_>` ... LL | some_macro!(some_function); | ^^^^^^^^^^^^^