Include rapidjson.h in error/error.h and internal/*.h

Fixes #321

CHANGELOG.md

@@ -4,6 +4,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+* Include rapidjson.h for all internal/error headers.
+
 ## [1.0.1] - 2015-04-25
 
 ### Added

include/rapidjson/error/error.h

@@ -15,6 +15,8 @@
 #ifndef RAPIDJSON_ERROR_ERROR_H__
 #define RAPIDJSON_ERROR_ERROR_H__
 
+#include "../rapidjson.h"
+
 /*! \file error.h */
 
 /*! \defgroup RAPIDJSON_ERRORS RapidJSON error handling */

include/rapidjson/internal/diyfp.h

@@ -19,6 +19,8 @@
 #ifndef RAPIDJSON_DIYFP_H_
 #define RAPIDJSON_DIYFP_H_
 
+#include "../rapidjson.h"
+
 #if defined(_MSC_VER) && defined(_M_AMD64)
 #include <intrin.h>
 #pragma intrinsic(_BitScanReverse64)

include/rapidjson/internal/meta.h

@@ -15,9 +15,7 @@
 #ifndef RAPIDJSON_INTERNAL_META_H_
 #define RAPIDJSON_INTERNAL_META_H_
 
-#ifndef RAPIDJSON_RAPIDJSON_H_
-#error <rapidjson.h> not yet included. Do not include this file directly.
-#endif
+#include "../rapidjson.h"
 
 #ifdef __GNUC__
 RAPIDJSON_DIAG_PUSH

include/rapidjson/internal/pow10.h

@@ -15,6 +15,8 @@
 #ifndef RAPIDJSON_POW10_
 #define RAPIDJSON_POW10_
 
+#include "../rapidjson.h"
+
 RAPIDJSON_NAMESPACE_BEGIN
 namespace internal {
 

include/rapidjson/internal/stack.h

@@ -15,6 +15,8 @@
 #ifndef RAPIDJSON_INTERNAL_STACK_H_
 #define RAPIDJSON_INTERNAL_STACK_H_
 
+#include "../rapidjson.h"
+
 RAPIDJSON_NAMESPACE_BEGIN
 namespace internal {
 

include/rapidjson/internal/strfunc.h

@@ -15,6 +15,8 @@
 #ifndef RAPIDJSON_INTERNAL_STRFUNC_H_
 #define RAPIDJSON_INTERNAL_STRFUNC_H_
 
+#include "../rapidjson.h"
+
 RAPIDJSON_NAMESPACE_BEGIN
 namespace internal {