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addon-tools-el
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Merge branch 'master' of https://github.com/raub/node-addon-tools

This commit is contained in:
raub 2018-03-12 10:51:56 +03:00
parent 4ecd657128 14d66d28fe
commit 7b33ccdf35
2 changed files with 21 additions and 0 deletions
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1
README.md
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@ -6,6 +6,7 @@
This is a set of helpers for simplification and standardization of addons and
dependency packages.
* EventEmitter C++ implementation.
* Contains helpers of following types: GYP, C++, JS, BAT (Windows).
* Platforms: win x32/x64, linux x32/x64, mac x64.
* Useful links: [V8 Ref](https://v8docs.nodesource.com/node-0.8/d2/dc3/namespacev8.html),

20
include/event-emitter.hpp
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@ -292,6 +292,26 @@ protected:
emitter->_wrappedIds[nextId] = cb;
emitter->_rawIds[nextId] = raw;
int count = emitter->_raw[name].size();
if (emitter->_maxListeners > 0 && count > emitter->_maxListeners) {
std::cout << "EventEmitter Warning: too many listeners (";
std::cout << count << " > " << emitter->_maxListeners << ") on '";
std::cout << name << "' event, possible memory leak." << std::endl;
// Some JS magic to retrieve the call stack
v8::Local<v8::String> code = JS_STR(
"(new Error()).stack.split('\\n').slice(1).join('\\n')"
);
v8::Local<v8::String> stack = v8::Local<v8::String>::Cast(
v8::Script::Compile(code)->Run()
);
Nan::Utf8String stackStr(stack);
std::cout << *stackStr << std::endl;
}
}