C APIのエラー表示をtracing::error!にする (#600)

VOICEVOX · Sep 5, 2023 · 53601b5 · 53601b5
1 parent 203a75b
commit 53601b5
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Showing 3 changed files with 11 additions and 3 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/crates/voicevox_core_c_api/Cargo.toml b/crates/voicevox_core_c_api/Cargo.toml
@@ -18,11 +18,13 @@ directml = ["voicevox_core/directml"]
 [dependencies]
 cstr = "0.2.11"
 derive-getters.workspace = true
+itertools.workspace = true
 libc = "0.2.134"
 once_cell.workspace = true
 serde_json.workspace = true
 thiserror.workspace = true
 tokio.workspace = true
+tracing.workspace = true
 tracing-subscriber.workspace = true
 uuid.workspace = true
 voicevox_core.workspace = true

diff --git a/crates/voicevox_core_c_api/src/helpers.rs b/crates/voicevox_core_c_api/src/helpers.rs
@@ -1,7 +1,8 @@
-use std::fmt::Debug;
+use std::{error::Error as _, fmt::Debug, iter};
 use voicevox_core::UserDictWord;
 
 use thiserror::Error;
+use tracing::error;
 
 use super::*;
 use voicevox_core::AccentPhraseModel;
@@ -13,8 +14,11 @@ pub(crate) fn into_result_code_with_error(result: CApiResult<()>) -> VoicevoxRes
     return into_result_code(result);
 
     fn display_error(err: &CApiError) {
-        eprintln!("Error(Display): {err}");
-        eprintln!("Error(Debug): {err:#?}");
+        itertools::chain(
+            [err.to_string()],
+            iter::successors(err.source(), |&e| e.source()).map(|e| format!("Caused by: {e}")),
+        )
+        .for_each(|msg| error!("{msg}"));
     }
 
     fn into_result_code(result: CApiResult<()>) -> VoicevoxResultCode {