Fix Windows build and runtime compatibility

Cargo.toml

@@ -205,6 +205,10 @@ tree-sitter-ruby = "0.23.0"
 tree-sitter-php = "0.24.2"
 tree-sitter-dart = "0.0.4"
 
+# Extended language support
+tree-sitter-scala = "0.25"
+# tree-sitter-svelte = "0.10"  # Windows build fails, disabled temporarily
+
 # GraphQL
 async-graphql = "7.0"
 async-graphql-axum = "7.0"

crates/codegraph-core/Cargo.toml

@@ -36,7 +36,6 @@ clap = { workspace = true }
 colored = { workspace = true }
 indicatif = { workspace = true }
 once_cell = { workspace = true }
-tikv-jemallocator = { workspace = true }
 hashbrown = { workspace = true }
 rustc-hash = { workspace = true }
 sha2 = { workspace = true }
@@ -54,6 +53,7 @@ rkyv = { workspace = true }
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
+tikv-jemallocator = { workspace = true }
 
 [target.'cfg(windows)'.dependencies]
 windows-sys = { version = "0.61", features = [

crates/codegraph-core/src/lib.rs

@@ -51,7 +51,7 @@ pub use types::*;
 pub use versioning::*;
 pub use watch::*;
 
-// Use jemalloc as the global allocator when the feature is enabled
-#[cfg(feature = "jemalloc")]
+// Jemalloc is only available in this crate on Unix targets.
+#[cfg(all(feature = "jemalloc", unix))]
 #[global_allocator]
 static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;

crates/codegraph-core/src/mmap.rs

@@ -170,8 +170,8 @@ fn prefetch_range_impl(m: &MappedFile, offset: usize, len: usize) {
 
 #[cfg(windows)]
 fn prefetch_range_impl(m: &MappedFile, offset: usize, len: usize) {
-    use core::mem::size_of;
-    use windows_sys::Win32::System::Memory::{PrefetchVirtualMemory, _WIN32_MEMORY_RANGE_ENTRY};
+    use std::ptr::null_mut;
+    use windows_sys::Win32::System::Memory::{PrefetchVirtualMemory, WIN32_MEMORY_RANGE_ENTRY};
 
     let end = offset.saturating_add(len).min(m.len);
     if end <= offset {
@@ -180,13 +180,13 @@ fn prefetch_range_impl(m: &MappedFile, offset: usize, len: usize) {
     let ptr = unsafe { m.mmap.as_ptr().add(offset) } as *mut core::ffi::c_void;
     let bytes = end - offset;
 
-    let mut range = _WIN32_MEMORY_RANGE_ENTRY {
+    let mut range = WIN32_MEMORY_RANGE_ENTRY {
         VirtualAddress: ptr,
         NumberOfBytes: bytes,
     };
     unsafe {
         // Best-effort; ignore failure.
-        let _ = PrefetchVirtualMemory(0, 1, &mut range as *mut _ as *mut _, 0);
+        let _ = PrefetchVirtualMemory(null_mut(), 1, &mut range as *mut _, 0);
     }
 }
 

crates/codegraph-core/src/types.rs

@@ -51,6 +51,8 @@ pub enum Language {
     Ruby,
     Php,
     Dart,
+    Scala,
+    Svelte,
     Other(String),
 }