Thank you very much Bert! Now it works well and I finally can split my one
very big file into chunks :)
On Wednesday, 3 July 2013 18:43:51 UTC+1, Bert Belder wrote:
>
>
> You need to include <node.h> in all your .cpp files before requiring
> anything else.
>
> node.h picks up that BUILDING_NODE_EXTENSION is defined and sets up other
> libraries (like v8 and libuv) to link dynamically.
>
> - Bert
>
> On Wednesday, July 3, 2013 3:28:08 PM UTC+2, Alex Netkachov wrote:
>>
>> I'm working on the node.js module in Visual Studio and have the following
>> file structure:
>>
>> load.h
>>
>> #include <string>
>> #include <v8.h>
>>
>> void property_guard(v8::Local<v8::Object> obj, v8::Local<v8::String>
>> name, const std::string path);
>>
>> load.cpp
>>
>> #include "load.h"
>>
>> void property_guard(v8::Local<v8::Object> obj, v8::Local<v8::String>
>> name, const std::string path) {
>> if (!obj->Has(name)) {
>> throw path + " does not exist";
>> }
>> }
>>
>> main.cpp
>>
>> #include <string>
>> #include <node.h>
>> #include <v8.h>
>> #include "load.h"
>>
>> void integer_type_guard(v8::Local<v8::Value> obj, const std::string
>> path) {
>> if (!obj->IsInt32()) {
>> throw path + " is not an integer";
>> }
>> }
>>
>> int get_int_property(v8::Local<v8::Object> obj, v8::Local<v8::String>
>> name, const std::string path) {
>> property_guard(obj, name, path);
>> v8::Local<v8::Value> value = obj->Get(name);
>> integer_type_guard(value, path);
>> return value->Int32Value();
>> }
>>
>>
>> I expect that the structure is correct, but I get an error in Visual
>> Studio and similar when I compile the project with node-gyp:
>>
>> error LNK2005: "public: class v8::Object * __cdecl v8::Handle<class
>> v8::Object>::operator->(void)const "
>> (??C?$Handle@VObject@v8@@@v8@@QEBAPEAVObject@1@XZ) already defined in
>> node.lib(node.exe) C:\...\load.obj
>> error LNK1169: one or more multiply defined symbols found
>> C:\...\Test1.dll
>>
>> Removing the node.h from the main.cpp includes removes the error (I need
>> it to register the module). Moving the property_guard method to main.cpp
>> also solves the issue.
>>
>> What is the correct way of moving declaration to other file in this case?
>>
>> My environment:
>>
>> * Visual Studio 2012
>> * node.js 0.10.12 x64
>>
>> Thank you,
>> Alex
>>
>
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