Allow specifying YYSTACKDEPTH (parser stack depth) limit via env var (#2000)

jussisaurio · web-flow · commit cb24b8edfd9f · 2025-04-07T07:01:49.000Z
diff --git a/libsql-ffi/build.rs b/libsql-ffi/build.rs
@@ -370,6 +370,11 @@ pub fn build_bundled(out_dir: &str, out_path: &Path) {
         cfg.flag("-DSQLITE_ENABLE_SESSION");
     }
 
+    if let Ok(parser_stack_limit) = env::var("YYSTACKDEPTH") {
+        cfg.flag(&format!("-DYYSTACKDEPTH={parser_stack_limit}"));
+    }
+    println!("cargo:rerun-if-env-changed=YYSTACKDEPTH");
+
     if let Ok(limit) = env::var("SQLITE_MAX_VARIABLE_NUMBER") {
         cfg.flag(&format!("-DSQLITE_MAX_VARIABLE_NUMBER={limit}"));
     }

Original file line number	Diff line number	Diff line change
`@@ -370,6 +370,11 @@ pub fn build_bundled(out_dir: &str, out_path: &Path) {`
`370`	`370`	`cfg.flag("-DSQLITE_ENABLE_SESSION");`
`371`	`371`	`}`
`372`	`372`
	`373`	`+ if let Ok(parser_stack_limit) = env::var("YYSTACKDEPTH") {`
	`374`	`+ cfg.flag(&format!("-DYYSTACKDEPTH={parser_stack_limit}"));`
	`375`	`+ }`
	`376`	`+ println!("cargo:rerun-if-env-changed=YYSTACKDEPTH");`
	`377`	`+`
`373`	`378`	`if let Ok(limit) = env::var("SQLITE_MAX_VARIABLE_NUMBER") {`
`374`	`379`	`cfg.flag(&format!("-DSQLITE_MAX_VARIABLE_NUMBER={limit}"));`
`375`	`380`	`}`