dd2b027d5d
Much like the previous commit. I think the removal of "the token" in each message is fine here. There are many more error messages that mention tokens without saying "the token" than those that do say it.
115 lines
4.0 KiB
Plaintext
115 lines
4.0 KiB
Plaintext
error: no rules expected `bcd`
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--> $DIR/trace_faulty_macros.rs:7:26
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LL | macro_rules! my_faulty_macro {
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| ---------------------------- when calling this macro
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LL | () => {
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LL | my_faulty_macro!(bcd);
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| ^^^ no rules expected this token in macro call
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...
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LL | my_faulty_macro!();
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| ------------------ in this macro invocation
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= note: while trying to match end of macro
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= note: this error originates in the macro `my_faulty_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
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note: trace_macro
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--> $DIR/trace_faulty_macros.rs:31:5
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LL | my_faulty_macro!();
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| ^^^^^^^^^^^^^^^^^^
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= note: expanding `my_faulty_macro! { }`
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= note: to `my_faulty_macro! (bcd);`
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= note: expanding `my_faulty_macro! { bcd }`
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error: recursion limit reached while expanding `my_recursive_macro!`
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--> $DIR/trace_faulty_macros.rs:22:9
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LL | my_recursive_macro!();
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| ^^^^^^^^^^^^^^^^^^^^^
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...
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LL | my_recursive_macro!();
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| --------------------- in this macro invocation
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= help: consider increasing the recursion limit by adding a `#![recursion_limit = "8"]` attribute to your crate (`trace_faulty_macros`)
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= note: this error originates in the macro `my_recursive_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
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note: trace_macro
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--> $DIR/trace_faulty_macros.rs:32:5
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LL | my_recursive_macro!();
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: expanding `my_recursive_macro! { }`
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= note: to `my_recursive_macro! ();`
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= note: expanding `my_recursive_macro! { }`
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= note: to `my_recursive_macro! ();`
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= note: expanding `my_recursive_macro! { }`
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= note: to `my_recursive_macro! ();`
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= note: expanding `my_recursive_macro! { }`
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= note: to `my_recursive_macro! ();`
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error: expected expression, found pattern `A { a : a, b : 0, c : _, .. }`
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--> $DIR/trace_faulty_macros.rs:16:9
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LL | $a
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| ^^ expected expression
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...
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LL | let a = pat_macro!();
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| ------------ in this macro invocation
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= note: this error originates in the macro `pat_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0774]: `derive` may only be applied to `struct`s, `enum`s and `union`s
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--> $DIR/trace_faulty_macros.rs:42:1
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LL | #[derive(Debug)]
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| ^^^^^^^^^^^^^^^^ not applicable here
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LL | fn use_derive_macro_as_attr() {}
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| -------------------------------- not a `struct`, `enum` or `union`
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error: expected expression, found pattern `1+1`
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--> $DIR/trace_faulty_macros.rs:49:37
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LL | (let $p:pat = $e:expr) => {test!(($p,$e))};
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| -- this is interpreted as expression, but it is expected to be pattern
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...
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LL | (($p:pat, $e:pat)) => {let $p = $e;};
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| ^^ expected expression
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...
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LL | test!(let x = 1+1);
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| ------------------
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| | |
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| | this is expected to be expression
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| in this macro invocation
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= 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
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= note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
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note: trace_macro
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--> $DIR/trace_faulty_macros.rs:36:13
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LL | let a = pat_macro!();
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| ^^^^^^^^^^^^
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= note: expanding `pat_macro! { }`
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= note: to `pat_macro! (A { a : a, b : 0, c : _, .. });`
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= note: expanding `pat_macro! { A { a : a, b : 0, c : _, .. } }`
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= note: to `A { a : a, b : 0, c : _, .. }`
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note: trace_macro
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--> $DIR/trace_faulty_macros.rs:53:5
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LL | test!(let x = 1+1);
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| ^^^^^^^^^^^^^^^^^^
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= note: expanding `test! { let x = 1+1 }`
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= note: to `test! ((x, 1+1))`
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= note: expanding `test! { (x, 1+1) }`
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= note: to `let x = 1+1;`
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error: aborting due to 5 previous errors
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For more information about this error, try `rustc --explain E0774`.
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