1 files changed, 47 insertions, 0 deletions
diff --git a/crates/shirabe/src/util/silencer.rs b/crates/shirabe/src/util/silencer.rs
index 4c45f23..39ec1db 100644
--- a/crates/shirabe/src/util/silencer.rs
+++ b/crates/shirabe/src/util/silencer.rs
@@ -1 +1,48 @@
 //! ref: composer/src/Composer/Util/Silencer.php
+
+use std::sync::Mutex;
+use anyhow::Result;
+use shirabe_php_shim::{
+    error_reporting,
+    E_WARNING, E_NOTICE, E_USER_WARNING, E_USER_NOTICE, E_DEPRECATED, E_USER_DEPRECATED,
+};
+
+static STACK: Mutex<Vec<i64>> = Mutex::new(Vec::new());
+
+pub struct Silencer;
+
+impl Silencer {
+    pub fn suppress(mask: Option<i64>) -> i64 {
+        let mask = mask.unwrap_or(E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED | E_USER_DEPRECATED);
+        let old = error_reporting(None);
+        STACK.lock().unwrap().push(old);
+        error_reporting(Some(old & !mask));
+        old
+    }
+
+    pub fn restore() {
+        let mut stack = STACK.lock().unwrap();
+        if !stack.is_empty() {
+            let level = stack.pop().unwrap();
+            drop(stack);
+            error_reporting(Some(level));
+        }
+    }
+
+    pub fn call<F, T>(callable: F) -> Result<T>
+    where
+        F: FnOnce() -> Result<T>,
+    {
+        Self::suppress(None);
+        match callable() {
+            Ok(result) => {
+                Self::restore();
+                Ok(result)
+            }
+            Err(e) => {
+                Self::restore();
+                Err(e)
+            }
+        }
+    }
+}