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|
error: no rules expected the token `bcd`
--> $DIR/trace_faulty_macros.rs:7:26
|
LL | macro_rules! my_faulty_macro {
| ---------------------------- when calling this macro
LL | () => {
LL | my_faulty_macro!(bcd);
| ^^^ no rules expected this token in macro call
...
LL | my_faulty_macro!();
| ------------------ in this macro invocation
|
= note: while trying to match end of macro
= note: this error originates in the macro `my_faulty_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
note: trace_macro
--> $DIR/trace_faulty_macros.rs:31:5
|
LL | my_faulty_macro!();
| ^^^^^^^^^^^^^^^^^^
|
= note: expanding `my_faulty_macro! { }`
= note: to `my_faulty_macro! (bcd);`
= note: expanding `my_faulty_macro! { bcd }`
error: recursion limit reached while expanding `my_recursive_macro!`
--> $DIR/trace_faulty_macros.rs:22:9
|
LL | my_recursive_macro!();
| ^^^^^^^^^^^^^^^^^^^^^
...
LL | my_recursive_macro!();
| --------------------- in this macro invocation
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "8"]` attribute to your crate (`trace_faulty_macros`)
= note: this error originates in the macro `my_recursive_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
note: trace_macro
--> $DIR/trace_faulty_macros.rs:32:5
|
LL | my_recursive_macro!();
| ^^^^^^^^^^^^^^^^^^^^^
|
= note: expanding `my_recursive_macro! { }`
= note: to `my_recursive_macro! ();`
= note: expanding `my_recursive_macro! { }`
= note: to `my_recursive_macro! ();`
= note: expanding `my_recursive_macro! { }`
= note: to `my_recursive_macro! ();`
= note: expanding `my_recursive_macro! { }`
= note: to `my_recursive_macro! ();`
error: expected expression, found pattern `A { a: a, b: 0, c: _, .. }`
--> $DIR/trace_faulty_macros.rs:16:9
|
LL | $a
| ^^ expected expression
...
LL | let a = pat_macro!();
| ------------ in this macro invocation
|
= note: this error originates in the macro `pat_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0774]: `derive` may only be applied to `struct`s, `enum`s and `union`s
--> $DIR/trace_faulty_macros.rs:42:1
|
LL | #[derive(Debug)]
| ^^^^^^^^^^^^^^^^ not applicable here
LL | fn use_derive_macro_as_attr() {}
| -------------------------------- not a `struct`, `enum` or `union`
error: expected expression, found pattern `1 + 1`
--> $DIR/trace_faulty_macros.rs:49:37
|
LL | (let $p:pat = $e:expr) => {test!(($p,$e))};
| ------- -- this is interpreted as expression, but it is expected to be pattern
| |
| this macro fragment matcher is expression
...
LL | (($p:pat, $e:pat)) => {let $p = $e;};
| ------ ^^ expected expression
| |
| this macro fragment matcher is pattern
...
LL | test!(let x = 1+1);
| ------------------
| | |
| | this is expected to be expression
| in this macro invocation
|
= 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
= note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
note: trace_macro
--> $DIR/trace_faulty_macros.rs:36:13
|
LL | let a = pat_macro!();
| ^^^^^^^^^^^^
|
= note: expanding `pat_macro! { }`
= note: to `pat_macro! (A { a : a, b : 0, c : _, .. });`
= note: expanding `pat_macro! { A { a : a, b : 0, c : _, .. } }`
= note: to `A { a: a, b: 0, c: _, .. }`
note: trace_macro
--> $DIR/trace_faulty_macros.rs:53:5
|
LL | test!(let x = 1+1);
| ^^^^^^^^^^^^^^^^^^
|
= note: expanding `test! { let x = 1+1 }`
= note: to `test! ((x, 1 + 1))`
= note: expanding `test! { (x, 1 + 1) }`
= note: to `let x = 1 + 1 ;`
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0774`.
|
