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