Make dart_api.h C compatible.

runtime/include/dart_api.h

 // 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.
 
 #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 21 matching lines @@
 typedef unsigned __int16 uint16_t;
 typedef unsigned __int32 uint32_t;
 typedef unsigned __int64 uint64_t;
 #if defined(DART_SHARED_LIB)
 #define DART_EXPORT DART_EXTERN_C __declspec(dllexport)
 #else
 #define DART_EXPORT DART_EXTERN_C
 #endif
 #else
 #include <inttypes.h>
+#include <stdbool.h>
 #if __GNUC__ >= 4
 #if defined(DART_SHARED_LIB)
 #define DART_EXPORT DART_EXTERN_C __attribute__ ((visibility("default")))
 #else
 #define DART_EXPORT DART_EXTERN_C
 #endif
 #else
 #error Tool chain not supported.
 #endif
 #endif
@@ skipping 618 matching lines @@
 DART_EXPORT bool Dart_Post(Dart_Port port_id, Dart_Handle object);
 
 // --- Message sending/receiving from native code ----
 
 /**
  * A Dart_CObject is used for representing Dart objects as native C
  * data outside the Dart heap. These objects are totally detached from
  * the Dart heap. Only a subset of the Dart objects have a
  * representation as a Dart_CObject.
  */
-struct Dart_CObject {
+typedef struct _Dart_CObject {
   enum Type {
     kNull = 0,
     kBool,
     kInt32,
     kInt64,
     kBigint,
     kDouble,
     kString,
     kArray,
     kUint8Array,
     kUnsupported,
     kNumberOfTypes
-  };
-  Type type;
+  } type;
   union {
     bool as_bool;
     int32_t as_int32;
     int64_t as_int64;
     double as_double;
     char* as_string;
     char* as_bigint;
     struct {
       int length;
-      Dart_CObject** values;
+      struct _Dart_CObject** values;
     } as_array;
     struct {
       int length;
       uint8_t* values;
     } as_byte_array;
   } value;
-};
+} Dart_CObject;
 
 /**
  * Posts a message on some port. The message will contain the
  * Dart_CObject object graph rooted in 'message'.
  *
  * While the message is being sent the state of the graph of
  * Dart_CObject structures rooted in 'message' should not be accessed,
  * as the message generation will make temporary modifications to the
  * data. When the message has been sent the graph will be fully
  * restored.
@@ skipping 1296 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_