diff options
| author | rezural <[email protected]> | 2021-06-21 22:28:33 +0100 |
|---|---|---|
| committer | rezural <[email protected]> | 2021-06-21 22:28:33 +0100 |
| commit | ceeee5e3c6e2ab24d6d83a1e000780da537c1507 (patch) | |
| tree | 673f023be6865a67b471e92a8ebd0e4df764f1b0 | |
| parent | baa060a9947f0006a256acdac075691da4168edf (diff) | |
add documentation of RA_LOG_FILE
| -rw-r--r-- | docs/dev/README.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/dev/README.md b/docs/dev/README.md index e81f1e74c..a394b8501 100644 --- a/docs/dev/README.md +++ b/docs/dev/README.md | |||
| @@ -131,7 +131,8 @@ Logging is done by both rust-analyzer and VS Code, so it might be tricky to figu | |||
| 131 | 131 | ||
| 132 | Inside rust-analyzer, we use the standard `log` crate for logging, and `env_logger` for logging frontend. | 132 | Inside rust-analyzer, we use the standard `log` crate for logging, and `env_logger` for logging frontend. |
| 133 | By default, log goes to stderr, but the stderr itself is processed by VS Code. | 133 | By default, log goes to stderr, but the stderr itself is processed by VS Code. |
| 134 | `--log-file <PATH>` CLI argument allows logging to file. | 134 | `--log-file <PATH>` CLI argument allows logging to file. |
| 135 | Setting the `RA_LOG_FILE=<PATH>` environment variable will also log to file, it will also override `--log-file`. | ||
| 135 | 136 | ||
| 136 | To see stderr in the running VS Code instance, go to the "Output" tab of the panel and select `rust-analyzer`. | 137 | To see stderr in the running VS Code instance, go to the "Output" tab of the panel and select `rust-analyzer`. |
| 137 | This shows `eprintln!` as well. | 138 | This shows `eprintln!` as well. |