diff options
Diffstat (limited to 'crates/ra_ide/src')
| -rw-r--r-- | crates/ra_ide/src/ssr.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/crates/ra_ide/src/ssr.rs b/crates/ra_ide/src/ssr.rs index 9f8e540c0..b3e9e5dfe 100644 --- a/crates/ra_ide/src/ssr.rs +++ b/crates/ra_ide/src/ssr.rs | |||
| @@ -10,6 +10,18 @@ use ra_ssr::{MatchFinder, SsrError, SsrRule}; | |||
| 10 | // The syntax for a structural search replace command is `<search_pattern> ==>> <replace_pattern>`. | 10 | // The syntax for a structural search replace command is `<search_pattern> ==>> <replace_pattern>`. |
| 11 | // A `$<name>` placeholder in the search pattern will match any AST node and `$<name>` will reference it in the replacement. | 11 | // A `$<name>` placeholder in the search pattern will match any AST node and `$<name>` will reference it in the replacement. |
| 12 | // Within a macro call, a placeholder will match up until whatever token follows the placeholder. | 12 | // Within a macro call, a placeholder will match up until whatever token follows the placeholder. |
| 13 | // | ||
| 14 | // Placeholders may be given constraints by writing them as `${<name>:<constraint1>:<constraint2>...}`. | ||
| 15 | // | ||
| 16 | // Supported constraints: | ||
| 17 | // | ||
| 18 | // |=== | ||
| 19 | // | Constraint | Restricts placeholder | ||
| 20 | // | ||
| 21 | // | kind(literal) | Is a literal (e.g. `42` or `"forty two"`) | ||
| 22 | // | not(a) | Negates the constraint `a` | ||
| 23 | // |=== | ||
| 24 | // | ||
| 13 | // Available via the command `rust-analyzer.ssr`. | 25 | // Available via the command `rust-analyzer.ssr`. |
| 14 | // | 26 | // |
| 15 | // ```rust | 27 | // ```rust |