Method printStack

src/ofxLua.cpp:1011–1049

from http://www.lua.org/pil/24.2.3.html

// from http://www.lua.org/pil/24.2.3.html
void ofxLua::printStack() {
	if(!isValid()) {
		return;
	}
	
	std::stringstream line;
	line << "stack " << lua_gettop(L);

	int top = lua_gettop(L);
	if(top > 0) {
		line << ":";
	}
	for(int i = 1; i <= top; i++) {
		int type = lua_type(L, i);
		switch(type) {

			case LUA_TSTRING:
				line << " \"" << lua_tostring(L, i) << "\"";
				break;

			case LUA_TBOOLEAN:
				line << " " << (lua_toboolean(L, i) == 1 ? "true" : "false");
				break;

			case LUA_TNUMBER:
				line << " " << lua_tonumber(L, i);
				break;

			default:
				line << " " << lua_typename(L, type);
				break;

		}
		if(i != top) {
			line << " ";
		}
	}
	ofLogNotice("ofxLua") << line.str();
}

// push object pointer to Lua using SWIG helper function,
// from http://stackoverflow.com/questions/9455552/swiglua-passing-a-c-instance-as-a-lua-function-parameter