File.stat().

src/module/io.c

@@ -188,6 +188,62 @@ void fileSizePath(WrenVM* vm)
   uv_fs_stat(getLoop(), request, path, fileSizeCallback);
 }
 
+// Called by libuv when the stat call completes.
+static void fileStatPathCallback(uv_fs_t* request)
+{
+  if (handleRequestError(request)) return;
+  
+  WrenVM* vm = getVM();
+  wrenEnsureSlots(vm, 4);
+  wrenSetSlotNewList(vm, 2);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_dev);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_ino);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_mode);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_nlink);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_uid);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_gid);
+  wrenInsertInList(vm, 2, -1, 3);
+
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_rdev);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_size);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_blksize);
+  wrenInsertInList(vm, 2, -1, 3);
+  
+  wrenSetSlotDouble(vm, 3, (double)request->statbuf.st_blocks);
+  wrenInsertInList(vm, 2, -1, 3);
+
+  // TODO: Include access, modification, and change times once we figure out
+  // how we want to represent it.
+  //  time_t    st_atime;   /* time of last access */
+  //  time_t    st_mtime;   /* time of last modification */
+  //  time_t    st_ctime;   /* time of last status change */
+
+  schedulerResume(freeRequest(request), true);
+  schedulerFinishResume();
+}
+
+void fileStatPath(WrenVM* vm)
+{
+  const char* path = wrenGetSlotString(vm, 1);
+  uv_fs_t* request = createRequest(wrenGetSlotValue(vm, 2));
+  uv_fs_stat(getLoop(), request, path, fileStatPathCallback);
+}
+
 static void fileCloseCallback(uv_fs_t* request)
 {
   if (handleRequestError(request)) return;

src/module/io.wren

@@ -44,6 +44,13 @@ foreign class File {
     return Scheduler.runNextScheduled_()
   }
 
+  static stat(path) {
+    if (!(path is String)) Fiber.abort("Path must be a string.")
+
+    statPath_(path, Fiber.current)
+    return Stat.new_(Scheduler.runNextScheduled_())
+  }
+
   construct new_(fd) {}
 
   close() {
@@ -80,12 +87,30 @@ foreign class File {
 
   foreign static open_(path, fiber)
   foreign static sizePath_(path, fiber)
+  foreign static statPath_(path, fiber)
 
   foreign close_(fiber)
   foreign readBytes_(count, start, fiber)
   foreign size_(fiber)
 }
 
+class Stat {
+  construct new_(fields) {
+    _fields = fields
+  }
+
+  device { _fields[0] }
+  inode { _fields[1] }
+  mode { _fields[2] }
+  linkCount { _fields[3] }
+  user { _fields[4] }
+  group { _fields[5] }
+  specialDevice { _fields[6] }
+  size { _fields[7] }
+  blockSize { _fields[8] }
+  blockCount { _fields[9] }
+}
+
 class Stdin {
   static readLine() {
     if (__isClosed == true) {

src/module/io.wren.inc

@@ -46,6 +46,13 @@ static const char* ioModuleSource =
 "    return Scheduler.runNextScheduled_()\n"
 "  }\n"
 "\n"
+"  static stat(path) {\n"
+"    if (!(path is String)) Fiber.abort(\"Path must be a string.\")\n"
+"\n"
+"    statPath_(path, Fiber.current)\n"
+"    return Stat.new_(Scheduler.runNextScheduled_())\n"
+"  }\n"
+"\n"
 "  construct new_(fd) {}\n"
 "\n"
 "  close() {\n"
@@ -82,12 +89,30 @@ static const char* ioModuleSource =
 "\n"
 "  foreign static open_(path, fiber)\n"
 "  foreign static sizePath_(path, fiber)\n"
+"  foreign static statPath_(path, fiber)\n"
 "\n"
 "  foreign close_(fiber)\n"
 "  foreign readBytes_(count, start, fiber)\n"
 "  foreign size_(fiber)\n"
 "}\n"
 "\n"
+"class Stat {\n"
+"  construct new_(fields) {\n"
+"    _fields = fields\n"
+"  }\n"
+"\n"
+"  device { _fields[0] }\n"
+"  inode { _fields[1] }\n"
+"  mode { _fields[2] }\n"
+"  linkCount { _fields[3] }\n"
+"  user { _fields[4] }\n"
+"  group { _fields[5] }\n"
+"  specialDevice { _fields[6] }\n"
+"  size { _fields[7] }\n"
+"  blockSize { _fields[8] }\n"
+"  blockCount { _fields[9] }\n"
+"}\n"
+"\n"
 "class Stdin {\n"
 "  static readLine() {\n"
 "    if (__isClosed == true) {\n"