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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.
116 lines
4.7 KiB
Plaintext
116 lines
4.7 KiB
Plaintext
error: no rules expected item `enum E {}`
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--> $DIR/nonterminal-matching.rs:19:10
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LL | macro n(a $nt_item b) {
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| --------------------- when calling this macro
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...
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LL | n!(a $nt_item b);
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| ^^^^^^^^ no rules expected this token in macro call
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...
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LL | complex_nonterminal!(enum E {});
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| ------------------------------- in this macro invocation
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note: while trying to match item `enum E {}`
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--> $DIR/nonterminal-matching.rs:15:15
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LL | macro n(a $nt_item b) {
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| ^^^^^^^^
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...
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LL | complex_nonterminal!(enum E {});
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| ------------------------------- in this macro invocation
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= note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
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= note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
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= help: try using `:tt` instead in the macro definition
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= note: this error originates in the macro `complex_nonterminal` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: no rules expected expression `3`
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--> $DIR/nonterminal-matching.rs:32:35
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LL | (expr $x:expr) => { bar!(expr $x); };
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| ^^ no rules expected this token in macro call
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...
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LL | macro_rules! bar {
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| ---------------- when calling this macro
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...
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LL | foo!(expr 3);
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| ------------ in this macro invocation
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note: while trying to match `3`
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--> $DIR/nonterminal-matching.rs:42:11
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LL | (expr 3) => {};
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| ^
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= note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
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= note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
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= help: try using `:tt` instead in the macro definition
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= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: no rules expected literal `4`
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--> $DIR/nonterminal-matching.rs:33:44
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LL | (literal $x:literal) => { bar!(literal $x); };
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| ^^ no rules expected this token in macro call
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...
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LL | macro_rules! bar {
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| ---------------- when calling this macro
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...
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LL | foo!(literal 4);
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| --------------- in this macro invocation
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note: while trying to match `4`
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--> $DIR/nonterminal-matching.rs:43:14
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LL | (literal 4) => {};
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| ^
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= note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
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= note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
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= help: try using `:tt` instead in the macro definition
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= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: no rules expected path `a::b::c`
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--> $DIR/nonterminal-matching.rs:34:35
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LL | (path $x:path) => { bar!(path $x); };
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| ^^ no rules expected this token in macro call
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...
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LL | macro_rules! bar {
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| ---------------- when calling this macro
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...
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LL | foo!(path a::b::c);
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| ------------------ in this macro invocation
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note: while trying to match `a`
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--> $DIR/nonterminal-matching.rs:44:11
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LL | (path a::b::c) => {};
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| ^
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= note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
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= note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
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= help: try using `:tt` instead in the macro definition
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= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: no rules expected statement `let abc = 0`
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--> $DIR/nonterminal-matching.rs:35:35
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LL | (stmt $x:stmt) => { bar!(stmt $x); };
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| ^^ no rules expected this token in macro call
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...
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LL | macro_rules! bar {
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| ---------------- when calling this macro
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...
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LL | foo!(stmt let abc = 0);
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| ---------------------- in this macro invocation
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note: while trying to match keyword `let`
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--> $DIR/nonterminal-matching.rs:45:11
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LL | (stmt let abc = 0) => {};
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| ^^^
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= note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
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= note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
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= help: try using `:tt` instead in the macro definition
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= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 5 previous errors
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