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cdylib glue: root plugin implements PluginInterface

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logos_host's module_initializer hard-requires PluginInterface on the
root plugin before any provider detection — same bases as the qt glue
(QObject, PluginInterface, LogosProviderPlugin). Caught by the first
host-loaded run of a cdylib-authored module; the dlopen smoke harness
exercised only the C seam.
This commit is contained in:
Dario Gabriel Lipicar
2026-06-11 20:17:01 -03:00
parent 7f6f1542a3
commit 7a7c86fe41
1 changed files with 7 additions and 2 deletions
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cpp-generator/experimental/lidl_gen_cdylib.cpp
+7 -2
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@@ -413,6 +413,7 @@ QString lidlMakeCdylibGlueHeader(const ModuleDecl& module)
s << "// language (C++ or Rust): it only knows the C symbols, which are\n";
s << "// linked in from the module's cdylib. logos_host loads it unchanged.\n";
s << "#pragma once\n\n";
s << "#include \"interface.h\"\n";
s << "#include \"logos_provider_interface.h\"\n";
s << "#include \"logos_json_convert.h\"\n";
s << "#include \"logos_module_impl.h\"\n";
@@ -440,11 +441,15 @@ QString lidlMakeCdylibGlueHeader(const ModuleDecl& module)
s << " static void emitTrampoline(const char* eventName, const char* dataJson, void* userData);\n";
s << "};\n\n";
s << "class " << className << "CdylibPlugin : public QObject, public LogosProviderPlugin {\n";
// The root plugin must also implement PluginInterface — logos_host's
// module_initializer hard-requires it before any provider detection.
s << "class " << className << "CdylibPlugin : public QObject, public PluginInterface, public LogosProviderPlugin {\n";
s << " Q_OBJECT\n";
s << " Q_PLUGIN_METADATA(IID LogosProviderPlugin_iid FILE \"metadata.json\")\n";
s << " Q_INTERFACES(LogosProviderPlugin)\n";
s << " Q_INTERFACES(PluginInterface LogosProviderPlugin)\n";
s << "public:\n";
s << " QString name() const override { return QStringLiteral(\"" << module.name << "\"); }\n";
s << " QString version() const override { return QStringLiteral(\"" << (module.version.isEmpty() ? QStringLiteral("1.0.0") : module.version) << "\"); }\n";
s << " LogosProviderObject* createProviderObject() override {\n";
s << " return new " << className << "CdylibProvider();\n";
s << " }\n";