Method RemoveUnusedSymbols

src/ast/ast_export.cpp:118–137

            }
        }
        void RemoveUnusedSymbols ( Module & mod ) {
            auto functions = das::move(mod.functions);
            auto globals = das::move(mod.globals);
            mod.functionsByName.clear();
            // mod.globals.clear();
            for ( auto & fn : functions.each() ) {
                if ( fn->used ) {
                    if ( !mod.addFunction(fn, true) ) {
                        program->error("internal error, failed to add function " + fn->name,"","", fn->at, CompilationError::internal_function );
                    }
                }
            }
            for ( auto & var : globals.each() ) {
                if ( var->used ) {
                    if ( !mod.addVariable(var, true) ) {
                        program->error("internal error, failed to add variable " + var->name,"","", var->at, CompilationError::internal_variable );
                    }
                }
            }
        }
    protected:
        ProgramPtr  program;
        FunctionPtr func = nullptr;