fix: add stacker and maybe_grow on recursion guard

Author: Eason0729

Cargo.toml

@@ -52,6 +52,7 @@ serde = { version = "1.0", features = ["derive"], optional = true }
 # https://github.com/rust-lang/cargo/issues/1596
 serde_json = { version = "1.0", optional = true }
 sqlparser_derive = { version = "0.2.0", path = "derive", optional = true }
+stacker = "0.1.17"
 
 [dev-dependencies]
 simple_logger = "5.0"

src/parser/mod.rs

@@ -65,6 +65,16 @@ mod recursion {
 
     use super::ParserError;
 
+    #[cfg(debug_assertions)]
+    fn maybe_grow() {
+        stacker::maybe_grow(512 << 10, 8 << 20, || {});
+    }
+
+    #[cfg(not(debug_assertions))]
+    fn maybe_grow() {
+        stacker::maybe_grow(128 << 10, 2 << 20, || {});
+    }
+
     /// Tracks remaining recursion depth. This value is decremented on
     /// each call to [`RecursionCounter::try_decrease()`], when it reaches 0 an error will
     /// be returned.
@@ -93,10 +103,12 @@ mod recursion {
         /// remaining depth upon drop;
         pub fn try_decrease(&self) -> Result<DepthGuard, ParserError> {
             let old_value = self.remaining_depth.get();
-            // ran out of space
+
             if old_value == 0 {
                 Err(ParserError::RecursionLimitExceeded)
             } else {
+                maybe_grow();
+
                 self.remaining_depth.set(old_value - 1);
                 Ok(DepthGuard::new(Rc::clone(&self.remaining_depth)))
             }