Introduce Dart_SetVMFlags API function.

runtime/include/dart_api.h

 // Copyright (c) 2011, 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.
 
 #ifndef INCLUDE_DART_API_H_
 #define INCLUDE_DART_API_H_
 
 /** \mainpage Dart Embedding API Reference
  *
  * Dart is a class-based programming language for creating structured
@@ skipping 229 matching lines @@
  *   embedder-specific data created during the initialization of this
  *   isolate. This data will, in turn, be passed by the VM to all
  *   isolates spawned from the isolate currently being initialized.
  */
 typedef void* (*Dart_IsolateInitCallback)(void* embedder_data);
 // TODO(iposva): Pass a specification of the app file being spawned.
 // TODO(turnidge): We don't actually shut down the isolate on NULL yet.
 // TODO(turnidge): Should we separate the two return values?
 
 /**
- * Initializes the VM with the given commmand line flags.
+ * Initializes the VM.
  *
- * \param argc The length of the arguments array.
- * \param argv An array of arguments.
  * \param callback A function to be called during isolate creation.
  *   See Dart_IsolateInitCallback.
  *
  * \return True if initialization is successful.
  */
-DART_EXPORT bool Dart_Initialize(int argc, const char** argv,
-                                 Dart_IsolateInitCallback callback);
+DART_EXPORT bool Dart_Initialize(Dart_IsolateInitCallback callback);
+
+/**
+ * Sets command line flags. Should be called before Dart_Initialize.
+ *
+ * \param argc The length of the arguments array.
+ * \param argv An array of arguments.
+ */
+DART_EXPORT void Dart_SetVMFlags(int argc, const char** argv);

[siva, 2011/11/30 19:09:38]

Please make this also return bool, so that we have true when it is set and false
when there is an error or multiple invokes.

[podivilov, 2011/12/01 11:10:22]

Done.

 
 /**
  * Returns true if the named VM flag is set.
  */
 DART_EXPORT bool Dart_IsVMFlagSet(const char* flag_name);
 
 // --- Isolates ---
 
 /**
  * An isolate is the unit of concurrency in Dart. Each isolate has
@@ skipping 957 matching lines @@
 
 // --- Profiling support ----
 
 // External pprof support for gathering and dumping symbolic
 // information that can be used for better profile reports for
 // dynamically generated code.
 DART_EXPORT void Dart_InitPprofSupport();
 DART_EXPORT void Dart_GetPprofSymbolInfo(void** buffer, int* buffer_size);
 
 #endif  // INCLUDE_DART_API_H_