]> git.proxmox.com Git - rustc.git/blame - tests/ui/macros/trace_faulty_macros.stderr
New upstream version 1.76.0+dfsg1
[rustc.git] / tests / ui / macros / trace_faulty_macros.stderr
CommitLineData
ea8adc8c 1error: no rules expected the token `bcd`
0731742a 2 --> $DIR/trace_faulty_macros.rs:7:26
ea8adc8c 3 |
a1dfa0c6
XL
4LL | macro_rules! my_faulty_macro {
5 | ---------------------------- when calling this macro
6LL | () => {
532ac7d7 7LL | my_faulty_macro!(bcd);
a1dfa0c6 8 | ^^^ no rules expected this token in macro call
ea8adc8c 9...
0531ce1d 10LL | my_faulty_macro!();
c295e0f8 11 | ------------------ in this macro invocation
74b04a01 12 |
487cf647 13 = note: while trying to match end of macro
17df50a5 14 = note: this error originates in the macro `my_faulty_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
ea8adc8c
XL
15
16note: trace_macro
ba9703b0 17 --> $DIR/trace_faulty_macros.rs:31:5
ea8adc8c 18 |
0531ce1d 19LL | my_faulty_macro!();
c295e0f8 20 | ^^^^^^^^^^^^^^^^^^
ea8adc8c
XL
21 |
22 = note: expanding `my_faulty_macro! { }`
4b012472 23 = note: to `my_faulty_macro! (bcd);`
ea8adc8c
XL
24 = note: expanding `my_faulty_macro! { bcd }`
25
dfeec247 26error: recursion limit reached while expanding `my_recursive_macro!`
0731742a 27 --> $DIR/trace_faulty_macros.rs:22:9
ea8adc8c 28 |
532ac7d7 29LL | my_recursive_macro!();
c295e0f8 30 | ^^^^^^^^^^^^^^^^^^^^^
ea8adc8c 31...
0531ce1d 32LL | my_recursive_macro!();
c295e0f8 33 | --------------------- in this macro invocation
ea8adc8c 34 |
c295e0f8 35 = help: consider increasing the recursion limit by adding a `#![recursion_limit = "8"]` attribute to your crate (`trace_faulty_macros`)
17df50a5 36 = note: this error originates in the macro `my_recursive_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
ea8adc8c
XL
37
38note: trace_macro
ba9703b0 39 --> $DIR/trace_faulty_macros.rs:32:5
ea8adc8c 40 |
0531ce1d 41LL | my_recursive_macro!();
c295e0f8 42 | ^^^^^^^^^^^^^^^^^^^^^
ea8adc8c
XL
43 |
44 = note: expanding `my_recursive_macro! { }`
4b012472 45 = note: to `my_recursive_macro! ();`
ea8adc8c 46 = note: expanding `my_recursive_macro! { }`
4b012472 47 = note: to `my_recursive_macro! ();`
ea8adc8c 48 = note: expanding `my_recursive_macro! { }`
4b012472 49 = note: to `my_recursive_macro! ();`
ea8adc8c 50 = note: expanding `my_recursive_macro! { }`
4b012472 51 = note: to `my_recursive_macro! ();`
ea8adc8c 52
4b012472 53error: expected expression, found pattern `A { a: a, b: 0, c: _, .. }`
ba9703b0
XL
54 --> $DIR/trace_faulty_macros.rs:16:9
55 |
56LL | $a
57 | ^^ expected expression
58...
59LL | let a = pat_macro!();
60 | ------------ in this macro invocation
61 |
17df50a5 62 = note: this error originates in the macro `pat_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
ba9703b0 63
136023e0 64error[E0774]: `derive` may only be applied to `struct`s, `enum`s and `union`s
ba9703b0
XL
65 --> $DIR/trace_faulty_macros.rs:42:1
66 |
67LL | #[derive(Debug)]
136023e0
XL
68 | ^^^^^^^^^^^^^^^^ not applicable here
69LL | fn use_derive_macro_as_attr() {}
70 | -------------------------------- not a `struct`, `enum` or `union`
ba9703b0 71
4b012472
FG
72error: expected expression, found pattern `1 + 1`
73 --> $DIR/trace_faulty_macros.rs:49:37
74 |
75LL | (let $p:pat = $e:expr) => {test!(($p,$e))};
76 | ------- -- this is interpreted as expression, but it is expected to be pattern
77 | |
78 | this macro fragment matcher is expression
79...
80LL | (($p:pat, $e:pat)) => {let $p = $e;};
81 | ------ ^^ expected expression
82 | |
83 | this macro fragment matcher is pattern
84...
85LL | test!(let x = 1+1);
86 | ------------------
87 | | |
88 | | this is expected to be expression
89 | in this macro invocation
90 |
91 = note: when forwarding a matched fragment to another macro-by-example, matchers in the second macro will see an opaque AST of the fragment type, not the underlying tokens
92 = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
93
ba9703b0
XL
94note: trace_macro
95 --> $DIR/trace_faulty_macros.rs:36:13
96 |
97LL | let a = pat_macro!();
98 | ^^^^^^^^^^^^
99 |
100 = note: expanding `pat_macro! { }`
4b012472 101 = note: to `pat_macro! (A { a : a, b : 0, c : _, .. });`
ba9703b0
XL
102 = note: expanding `pat_macro! { A { a : a, b : 0, c : _, .. } }`
103 = note: to `A { a: a, b: 0, c: _, .. }`
104
4b012472
FG
105note: trace_macro
106 --> $DIR/trace_faulty_macros.rs:53:5
107 |
108LL | test!(let x = 1+1);
109 | ^^^^^^^^^^^^^^^^^^
110 |
111 = note: expanding `test! { let x = 1+1 }`
112 = note: to `test! ((x, 1 + 1))`
113 = note: expanding `test! { (x, 1 + 1) }`
114 = note: to `let x = 1 + 1 ;`
115
116error: aborting due to 5 previous errors
0531ce1d 117
1b1a35ee 118For more information about this error, try `rustc --explain E0774`.