feat: new binding generator (#15638)

build.zig

@@ -327,6 +327,19 @@ pub fn build(b: *Build) !void {
             .{ .os = .windows, .arch = .x86_64 },
         });
     }
+
+    // zig build enum-extractor
+    {
+        // const step = b.step("enum-extractor", "Extract enum definitions (invoked by a code generator)");
+        // const exe = b.addExecutable(.{
+        //     .name = "enum_extractor",
+        //     .root_source_file = b.path("./src/generated_enum_extractor.zig"),
+        //     .target = b.graph.host,
+        //     .optimize = .Debug,
+        // });
+        // const run = b.addRunArtifact(exe);
+        // step.dependOn(&run.step);
+    }
 }
 
 pub fn addMultiCheck(