Remove openglui embedder code

runtime/embedders/openglui/common/vm_glue.cc

Index: runtime/embedders/openglui/common/vm_glue.cc
diff --git a/runtime/embedders/openglui/common/vm_glue.cc b/runtime/embedders/openglui/common/vm_glue.cc
deleted file mode 100644
index 91a26db1e093098c174d9b64c4f66366af81add1..0000000000000000000000000000000000000000
--- a/runtime/embedders/openglui/common/vm_glue.cc
+++ /dev/null
@@ -1,398 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#include <math.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include "embedders/openglui/common/extension.h"
-#include "embedders/openglui/common/log.h"
-#include "embedders/openglui/common/vm_glue.h"
-#include "include/dart_api.h"
-
-char* VMGlue::extension_script_ = NULL;
-bool VMGlue::initialized_vm_ = false;
-
-// snapshot_buffer points to a snapshot if we link in a snapshot otherwise
-// it is initialized to NULL.
-
-VMGlue::VMGlue(ISized* surface,
-               const char* script_path,
-               const char* extension_script,
-               const char* main_script,
-               int setup_flag)
-    : surface_(surface),
-      isolate_(NULL),
-      initialized_script_(false),
-      x_(0.0),
-      y_(0.0),
-      z_(0.0),
-      accelerometer_changed_(false),
-      setup_flag_(setup_flag) {
-  LOGI("Creating VMGlue");
-  if (main_script == NULL) {
-    main_script = "main.dart";
-  }
-  if (extension_script == NULL) {
-    extension_script = "gl.dart";
-  }
-  size_t len = strlen(script_path) + strlen(main_script) + 2;
-  main_script_ = new char[len];
-  snprintf(main_script_, len, "%s/%s", script_path, main_script);
-  len = strlen(script_path) + strlen(extension_script) + 2;
-  extension_script_ = new char[len];
-  snprintf(extension_script_, len, "%s/%s", script_path, extension_script);
-}
-
-Dart_Handle VMGlue::CheckError(Dart_Handle handle) {
-  if (Dart_IsError(handle)) {
-    LOGE("Unexpected Error Handle: %s", Dart_GetError(handle));
-    Dart_PropagateError(handle);
-  }
-  return handle;
-}
-
-#define CHECK_RESULT(result)                   \
-  if (Dart_IsError(result)) {                  \
-    *error = strdup(Dart_GetError(result));    \
-    LOGE("%s", *error);                        \
-    Dart_ExitScope();                          \
-    Dart_ShutdownIsolate();                    \
-    return false;                              \
-  }
-
-Dart_Handle VMGlue::LibraryTagHandler(Dart_LibraryTag tag,
-                                      Dart_Handle library,
-                                      Dart_Handle urlHandle) {
-  const char* url;
-  Dart_StringToCString(urlHandle, &url);
-  if (tag == kCanonicalizeUrl) {
-    return urlHandle;
-  }
-  // TODO(vsm): Split this up into separate libraries for 3D, 2D,
-  // Touch, Audio, etc.  All builtin libraries should be handled here
-  // (or moved into a snapshot).
-  if (strcmp(url, "gl.dart") == 0) {
-    Dart_Handle source =
-        VMGlue::LoadSourceFromFile(extension_script_);
-    Dart_Handle library = CheckError(Dart_LoadLibrary(urlHandle, source));
-    CheckError(Dart_SetNativeResolver(library, ResolveName));
-    return library;
-  }
-  LOGE("UNIMPLEMENTED: load library %s\n", url);
-  return NULL;
-}
-
-// Returns true on success, false on failure.
-Dart_Isolate VMGlue::CreateIsolateAndSetupHelper(const char* script_uri,
-                                         const char* main,
-                                         void* data,
-                                         char** error) {
-  LOGI("Creating isolate %s, %s", script_uri, main);
-  Dart_Isolate isolate =
-      Dart_CreateIsolate(script_uri, main, NULL, data, error);
-  if (isolate == NULL) {
-    LOGE("Couldn't create isolate: %s", *error);
-    return NULL;
-  }
-
-  LOGI("Entering scope");
-  Dart_EnterScope();
-
-  // Set up the library tag handler for this isolate.
-  LOGI("Setting up library tag handler");
-  Dart_Handle result = CheckError(Dart_SetLibraryTagHandler(LibraryTagHandler));
-  CHECK_RESULT(result);
-
-  Dart_ExitScope();
-  return isolate;
-}
-
-Dart_Isolate VMGlue::CreateIsolateAndSetup(const char* script_uri,
-  const char* main,
-  void* data, char** error) {
-  return CreateIsolateAndSetupHelper(script_uri,
-                                     main,
-                                     data,
-                                     error);
-}
-
-const char* VM_FLAGS[] = {
-  "--enable_type_checks",  // TODO(gram): This should be an option!
-  // "--trace_isolates",
-  // "--trace_natives",
-  // "--trace_compiler",
-};
-
-static void* openFileCallback(const char* name, bool write) {
-  return fopen(name, write ? "w" : "r");
-}
-
-static void readFileCallback(const uint8_t** data, intptr_t* fileLength,
-    void* stream) {
-  if (!stream) {
-    *data = 0;
-    *fileLength = 0;
-  } else {
-    FILE* file = reinterpret_cast<FILE*>(stream);
-
-    // Get the file size.
-    fseek(file, 0, SEEK_END);
-    *fileLength = ftell(file);
-    rewind(file);
-
-    // Allocate data buffer.
-    *data = new uint8_t[*fileLength];
-    *fileLength = fread(const_cast<uint8_t*>(*data), 1, *fileLength, file);
-  }
-}
-
-static void writeFileCallback(const void* data, intptr_t length, void* file) {
-  fwrite(data, 1, length, reinterpret_cast<FILE*>(file));
-}
-
-static void closeFileCallback(void* file) {
-  fclose(reinterpret_cast<FILE*>(file));
-}
-
-int VMGlue::InitializeVM() {
-  // We need the next call to get Dart_Initialize not to bail early.
-  LOGI("Setting VM Options");
-  Dart_SetVMFlags(sizeof(VM_FLAGS) / sizeof(VM_FLAGS[0]), VM_FLAGS);
-
-  // Initialize the Dart VM, providing the callbacks to use for
-  // creating and shutting down isolates.
-  LOGI("Initializing Dart");
-  if (!Dart_Initialize(CreateIsolateAndSetup,
-                       0,
-                       0,
-                       0,
-                       openFileCallback,
-                       readFileCallback,
-                       writeFileCallback,
-                       closeFileCallback)) {
-    LOGE("VM initialization failed\n");
-    return -1;
-  }
-  initialized_vm_ = true;
-
-  return 0;
-}
-
-Dart_Handle VMGlue::LoadSourceFromFile(const char* url) {
-  FILE* file = fopen(url, "r");
-  if (file == NULL) {
-    LOGE("Main script not found at: %s\n", url);
-    return NULL;
-  }
-
-  struct stat sb;
-  int fd = fileno(file);
-  fstat(fd, &sb);
-  int length = sb.st_size;
-  LOGI("Entry file %s is %d bytes.\n", url, length);
-
-  char* buffer = new char[length+1];
-  if (read(fd, buffer, length) < 0) {
-    LOGE("Could not read script %s.\n", url);
-    return NULL;
-  }
-  buffer[length] = 0;
-  fclose(file);
-
-  Dart_Handle contents = CheckError(Dart_NewStringFromCString(buffer));
-  delete[] buffer;
-  return contents;
-}
-
-int VMGlue::StartMainIsolate() {
-  if (!initialized_vm_) {
-    int rtn = InitializeVM();
-    if (rtn != 0) return rtn;
-  }
-
-  // Create an isolate and loads up the application script.
-  char* error = NULL;
-  if (!CreateIsolateAndSetup(main_script_, "main", NULL, &error)) {
-    LOGE("CreateIsolateAndSetup: %s\n", error);
-    free(error);
-    return -1;
-  }
-  LOGI("Created isolate");
-  isolate_ = Dart_CurrentIsolate();
-  Dart_EnterScope();
-
-  Dart_Handle url = CheckError(Dart_NewStringFromCString(main_script_));
-  Dart_Handle source = LoadSourceFromFile(main_script_);
-  CheckError(Dart_LoadScript(url, source, 0, 0));
-
-  Dart_ExitScope();
-  Dart_ExitIsolate();
-  return 0;
-}
-
-int VMGlue::CallSetup(bool force) {
-  // TODO(gram): See if we actually need this flag guard here, or if
-  // we can eliminate it along with the need for the force parameter.
-  if (!initialized_script_ || force) {
-    initialized_script_ = true;
-    LOGI("Invoking setup(null, %d,%d,%d)",
-        surface_->width(), surface_->height(), setup_flag_);
-    Dart_EnterIsolate(isolate_);
-    Dart_EnterScope();
-    Dart_Handle args[4];
-    args[0] = CheckError(Dart_Null());
-    args[1] = CheckError(Dart_NewInteger(surface_->width()));
-    args[2] = CheckError(Dart_NewInteger(surface_->height()));
-    args[3] = CheckError(Dart_NewInteger(setup_flag_));
-    int rtn = Invoke("setup", 4, args);
-
-    if (rtn == 0) {
-      // Plug in the print handler. It would be nice if we could do this
-      // before calling setup, but the call to GetField blows up if we
-      // haven't run anything yet.
-      Dart_Handle library = CheckError(Dart_LookupLibrary(
-          Dart_NewStringFromCString("gl.dart")));
-      Dart_Handle print = CheckError(
-          Dart_GetField(library, Dart_NewStringFromCString("_printClosure")));
-      Dart_Handle corelib = CheckError(Dart_LookupLibrary(
-          Dart_NewStringFromCString("dart:core")));
-      CheckError(Dart_SetField(corelib,
-        Dart_NewStringFromCString("_printClosure"), print));
-    }
-    Dart_ExitScope();
-    Dart_ExitIsolate();
-    LOGI("Done setup");
-    return rtn;
-  }
-  return 0;
-}
-
-int VMGlue::CallUpdate() {
-  if (initialized_script_) {
-    // If the accelerometer has changed, first do that
-    // event.
-    Dart_EnterIsolate(isolate_);
-    if (accelerometer_changed_) {
-      Dart_Handle args[3];
-      LOGI("Invoking onAccelerometer(%f,%f,%f)", x_, y_, z_);
-      Dart_EnterScope();
-      args[0] = CheckError(Dart_NewDouble(x_));
-      args[1] = CheckError(Dart_NewDouble(y_));
-      args[2] = CheckError(Dart_NewDouble(z_));
-      Invoke("onAccelerometer", 3, args, false);
-      Dart_ExitScope();
-      accelerometer_changed_ = false;
-    }
-    Dart_EnterScope();
-    int rtn = Invoke("update_", 0, 0);
-    Dart_ExitScope();
-    Dart_ExitIsolate();
-    LOGI("Invoke update_ returns %d", rtn);
-    return rtn;
-  }
-  return -1;
-}
-
-int VMGlue::CallShutdown() {
-  if (initialized_script_) {
-    Dart_EnterIsolate(isolate_);
-    Dart_EnterScope();
-    int rtn = Invoke("shutdown", 0, 0);
-    Dart_ExitScope();
-    Dart_ExitIsolate();
-    return rtn;
-  }
-  return -1;
-}
-
-int VMGlue::OnMotionEvent(const char* pFunction, int64_t pWhen,
-  float pMoveX, float pMoveY) {
-  if (initialized_script_) {
-    LOGI("Invoking %s", pFunction);
-    Dart_EnterIsolate(isolate_);
-    Dart_EnterScope();
-    Dart_Handle args[3];
-    args[0] = CheckError(Dart_NewInteger(pWhen));
-    args[1] = CheckError(Dart_NewDouble(pMoveX));
-    args[2] = CheckError(Dart_NewDouble(pMoveY));
-    int rtn = Invoke(pFunction, 3, args, false);
-    Dart_ExitScope();
-    Dart_ExitIsolate();
-    LOGI("Done %s", pFunction);
-    return rtn;
-  }
-  return -1;
-}
-
-int VMGlue::OnKeyEvent(const char* function, int64_t when, int32_t key_code,
-                       bool isAltKeyDown, bool isCtrlKeyDown,
-                       bool isShiftKeyDown, int32_t repeat) {
-  if (initialized_script_) {
-    LOGI("Invoking %s(_,%d,...)", function, key_code);
-    Dart_EnterIsolate(isolate_);
-    Dart_EnterScope();
-    Dart_Handle args[6];
-    args[0] = CheckError(Dart_NewInteger(when));
-    args[1] = CheckError(Dart_NewInteger(key_code));
-    args[2] = CheckError(Dart_NewBoolean(isAltKeyDown));
-    args[3] = CheckError(Dart_NewBoolean(isCtrlKeyDown));
-    args[4] = CheckError(Dart_NewBoolean(isShiftKeyDown));
-    args[5] = CheckError(Dart_NewInteger(repeat));
-    int rtn = Invoke(function, 6, args, false);
-    Dart_ExitScope();
-    Dart_ExitIsolate();
-    LOGI("Done %s", function);
-    return rtn;
-  }
-  return -1;
-}
-
-int VMGlue::Invoke(const char* function,
-                   int argc,
-                   Dart_Handle* args,
-                   bool failIfNotDefined) {
-  // Lookup the library of the root script.
-  Dart_Handle library = Dart_RootLibrary();
-  if (Dart_IsNull(library)) {
-     LOGE("Unable to find root library\n");
-     return -1;
-  }
-
-  Dart_Handle nameHandle = Dart_NewStringFromCString(function);
-
-  Dart_Handle result = Dart_Invoke(library, nameHandle, argc, args);
-
-  if (Dart_IsError(result)) {
-    const char* error = Dart_GetError(result);
-    LOGE("Invoke %s failed: %s", function, error);
-    if (failIfNotDefined) {
-      return -1;
-    }
-  }
-
-  // TODO(vsm): I don't think we need this.
-  // Keep handling messages until the last active receive port is closed.
-  result = Dart_RunLoop();
-  if (Dart_IsError(result)) {
-    LOGE("Dart_RunLoop: %s\n", Dart_GetError(result));
-    return -1;
-  }
-
-  return 0;
-}
-
-void VMGlue::FinishMainIsolate() {
-  LOGI("Finish main isolate");
-  Dart_EnterIsolate(isolate_);
-  // Shutdown the isolate.
-  Dart_ShutdownIsolate();
-  isolate_ = NULL;
-  initialized_script_ = false;
-}
-