Expose v8 snapshots API

src/binding.cpp

@@ -9,6 +9,7 @@
 #include "src/inspector/protocol/Runtime.h"
 #include "src/inspector/v8-string-conversions.h"
 #include "src/debug/debug-interface.h"
+#include "src/snapshot/snapshot.h"
 
 #include "inspector.h"
 
@@ -2247,3 +2248,28 @@ void v8_inspector__Client__consoleAPIMessage(
 }
 
 } // extern "C"
+
+// SnapshotCreator
+extern "C" {
+
+v8::SnapshotCreator* v8__SnapshotCreator__CREATE(const v8::Isolate::CreateParams& params) {
+    return new v8::SnapshotCreator(params);
+}
+
+v8::Isolate* v8__SnapshotCreator__getIsolate(v8::SnapshotCreator* self) {
+    return self->GetIsolate();
+}
+
+v8::StartupData v8__internal__SnapshotCreator__CreateSnapshotDataBlobInternal(
+    v8::SnapshotCreator *self, const char *source, int source_len) {
+  std::string source_string(source, source_len);
+  return v8::internal::CreateSnapshotDataBlobInternal(
+      v8::SnapshotCreator::FunctionCodeHandling::kClear, source_string.data(),
+      *self);
+}
+
+void v8__SnapshotCreator__DESTRUCT(v8::SnapshotCreator* self) {
+  delete self;
+}
+
+} // extern "C"

src/binding.h

@@ -1002,9 +1002,9 @@ typedef struct ScriptCompilerSource {
 
     CompileHintCallback compile_hint_callback;
     void* compile_hint_callback_data;
-    CompilationDetails compilation_details
-
+    CompilationDetails compilation_details;
 } ScriptCompilerSource;
+
 typedef enum BufferPolicy {
     BufferNotOwned,
     BufferOwned
@@ -1263,3 +1263,15 @@ void v8_inspector__RemoteObject__setPreview(RemoteObject* self, ObjectPreview* p
 bool v8_inspector__RemoteObject__hasCustomPreview(RemoteObject* self);
 const CustomPreview* v8_inspector__RemoteObject__getCustomPreview(RemoteObject* self);
 void v8_inspector__RemoteObject__setCustomPreview(RemoteObject* self, CustomPreview* customPreview);
+
+// SnapshotCreator
+typedef struct SnapshotCreator SnapshotCreator;
+
+SnapshotCreator* v8__SnapshotCreator__CREATE(const CreateParams* params);
+Isolate* v8__SnapshotCreator__getIsolate(SnapshotCreator* self);
+StartupData v8__internal__SnapshotCreator__CreateSnapshotDataBlobInternal(
+  SnapshotCreator* self,
+  const char* source,
+  int source_len
+);
+void v8__SnapshotCreator__DESTRUCT(SnapshotCreator* self);

src/v8.zig

@@ -3203,3 +3203,31 @@ pub export fn zigAlloc(self: *anyopaque, bytes: usize) callconv(.c) ?[*]u8 {
     const allocated_bytes = allocator.alloc(u8, bytes) catch return null;
     return allocated_bytes.ptr;
 }
+
+pub const StartupData = c.StartupData;
+
+pub const SnapshotCreator = struct {
+    handle: *c.SnapshotCreator = undefined,
+
+    pub fn init(self: *SnapshotCreator, params: *const c.CreateParams) void {
+        self.handle = c.v8__SnapshotCreator__CREATE(params).?;
+    }
+
+    pub fn getIsolate(self: *SnapshotCreator) Isolate {
+        return .{
+            .handle = c.v8__SnapshotCreator__getIsolate(self.handle).?,
+        };
+    }
+
+    pub fn createSnapshotDataBlob(self: *SnapshotCreator, source: []const u8) StartupData {
+        return c.v8__internal__SnapshotCreator__CreateSnapshotDataBlobInternal(
+            self.handle,
+            source.ptr,
+            @intCast(source.len),
+        );
+    }
+
+    pub fn deinit(self: *SnapshotCreator) void {
+        c.v8__SnapshotCreator__DESTRUCT(self.handle);
+    }
+};