Mercurial > hg > orthanc-stone

annotate Resources/CodeGeneration/testWasmIntegrated/main.cpp @ 1334:04055b6b9e2c broker

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Added header files to the CMake files to ease navigation in IDE.
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 31 Mar 2020 11:01:34 +0200
parents f185cfcb72a0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <iostream>
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2 #include <sstream>
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3 #include <emscripten/emscripten.h>
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4 #include "TestStoneCodeGen_generated.hpp"
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5
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6 using std::stringstream;
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7
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8 int main()
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9 {
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10 std::cout << "Hello world from testWasmIntegrated! (this is sent from C++)" << std::endl;
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11 try
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12 {
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13 const char* jsonData = R"bgo({"definition":
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14 {
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15 "val" : [ "berk", 42 ],
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16 "zozo" : { "23": "zloutch", "lalala": 42}
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17 }
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18 })bgo";
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19 std::string strValue(jsonData);
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20
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21 Json::Value readValue;
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22
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23 Json::CharReaderBuilder builder;
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24 Json::CharReader* reader = builder.newCharReader();
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25
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26 StoneSmartPtr<Json::CharReader> ptr(reader);
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27
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28 std::string errors;
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29
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30 bool ok = reader->parse(
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31 strValue.c_str(),
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32 strValue.c_str() + strValue.size(),
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33 &readValue,
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34 &errors
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35 );
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36 if (!ok)
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37 {
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38 std::stringstream ss;
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39 ss << "Jsoncpp parsing error: " << errors;
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40 throw std::runtime_error(ss.str());
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41 }
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42 std::cout << "Json parsing OK" << std::endl;
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43 std::cout << readValue << std::endl;
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44 }
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45 catch(std::exception& e)
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46 {
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47 std::cout << "Json parsing THROW" << std::endl;
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48 std::cout << "e.what() = " << e.what() << std::endl;
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49 }
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50 }
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51
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52 extern "C" void SendMessageFromCppJS(const char* message);
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53 extern "C" void SendFreeTextFromCppJS(const char* message);
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54
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55 #define HANDLE_MESSAGE(Type,value) \
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56 stringstream ss; \
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57 ss << "Received an instance of:\n" #Type "\n. Here's the dump:\n"; \
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58 TestStoneCodeGen::StoneDumpValue(ss, value, 0); \
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59 SendFreeTextFromCppJS(ss.str().c_str()); \
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60 return true;
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61
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62 #define ECHO_MESSAGE(Type,value) \
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63 stringstream ss; \
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64 ss << "Received an instance of:\n" #Type "\n. Here's the dump:\n"; \
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65 TestStoneCodeGen::StoneDumpValue(ss, value, 0); \
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66 SendFreeTextFromCppJS(ss.str().c_str()); \
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67 std::string serializedInCpp = StoneSerialize(value); \
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68 SendMessageFromCppJS(serializedInCpp.c_str()); \
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69 return true;
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70
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71 class MyHandler : public TestStoneCodeGen::IHandler
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72 {
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73 public:
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74 virtual bool Handle(const TestStoneCodeGen::A& value) override
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75 {
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76 HANDLE_MESSAGE(TestStoneCodeGen::A,value)
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77 }
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78 virtual bool Handle(const TestStoneCodeGen::B& value) override
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79 {
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80 HANDLE_MESSAGE(TestStoneCodeGen::B,value)
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81 }
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82
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83 virtual bool Handle(const TestStoneCodeGen::Message1& value) override
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84 {
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85 HANDLE_MESSAGE(TestStoneCodeGen::Message1,value)
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86 }
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87
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88 virtual bool Handle(const TestStoneCodeGen::Message2& value) override
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89 {
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90 HANDLE_MESSAGE(TestStoneCodeGen::Message2,value)
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91 }
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92
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93 virtual bool Handle(const TestStoneCodeGen::C& value) override
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94 {
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95 HANDLE_MESSAGE(TestStoneCodeGen::C,value)
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96 }
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97 };
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98
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99 class MyEchoHandler : public TestStoneCodeGen::IHandler
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100 {
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101 public:
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102 virtual bool Handle(const TestStoneCodeGen::A& value) override
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103 {
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104 ECHO_MESSAGE(TestStoneCodeGen::A,value)
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105 }
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106 virtual bool Handle(const TestStoneCodeGen::B& value) override
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107 {
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108 ECHO_MESSAGE(TestStoneCodeGen::B,value)
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109 }
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110
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111 virtual bool Handle(const TestStoneCodeGen::Message1& value) override
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112 {
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113 ECHO_MESSAGE(TestStoneCodeGen::Message1,value)
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114 }
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115
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116 virtual bool Handle(const TestStoneCodeGen::Message2& value) override
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117 {
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118 ECHO_MESSAGE(TestStoneCodeGen::Message2,value)
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119 }
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120
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121 virtual bool Handle(const TestStoneCodeGen::C& value) override
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122 {
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123 ECHO_MESSAGE(TestStoneCodeGen::C,value)
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124 }
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125 };
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126
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127 extern "C" void EMSCRIPTEN_KEEPALIVE SendMessageToCpp(const char* message)
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128 {
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129 MyHandler handler;
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130 try
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131 {
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132 bool handled = TestStoneCodeGen::StoneDispatchToHandler(message,&handler);
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133 if(!handled)
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134 {
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135 SendFreeTextFromCppJS("This message is valid JSON, but was not handled!");
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136 }
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137 }
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138 catch(std::exception& e)
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139 {
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140 stringstream ss;
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141 ss << "Error while parsing message: " << e.what() << "\n";
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142 SendFreeTextFromCppJS(ss.str().c_str());
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143 }
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144 }
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145
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146 extern "C" void EMSCRIPTEN_KEEPALIVE SendMessageToCppForEcho(const char* message)
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147 {
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148 MyEchoHandler echoHandler;
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149 try
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150 {
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151 bool handled = TestStoneCodeGen::StoneDispatchToHandler(message,&echoHandler);
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152 if(!handled)
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153 {
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154 SendFreeTextFromCppJS("This message is valid JSON, but was not handled by the echo handler!");
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155 }
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156 }
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157 catch(std::exception& e)
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158 {
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159 stringstream ss;
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160 ss << "Error while parsing message: " << e.what() << "\n";
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161 SendFreeTextFromCppJS(ss.str().c_str());
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162 }
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163 }
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164
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165 void EMSCRIPTEN_KEEPALIVE StartWasmApplication(const char* baseUri)
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166 {
498
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167 printf("Hello! (this is sent from C++)\n");
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168
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169 // // recreate a command line from uri arguments and parse it
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170 // boost::program_options::variables_map parameters;
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171 // boost::program_options::options_description options;
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172 // application->DeclareStartupOptions(options);
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173 // startupParametersBuilder.GetStartupParameters(parameters, options);
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174
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175 // context.reset(new OrthancStone::StoneApplicationContext(broker));
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176 // context->SetOrthancBaseUrl(baseUri);
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177 // printf("Base URL to Orthanc API: [%s]\n", baseUri);
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178 // context->SetWebService(OrthancStone::WasmWebService::GetInstance());
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179 // context->SetDelayedCallExecutor(OrthancStone::WasmDelayedCallExecutor::GetInstance());
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180 // application->Initialize(context.get(), statusBar_, parameters);
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181 // application->InitializeWasm();
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182
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183 // // viewport->SetSize(width_, height_);
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184 // printf("StartWasmApplication - completed\n");
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185 SendFreeTextFromCppJS("Hello world from C++!");
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186 }