Method construct

src/ast/ast.cpp:1045–1082

    }

    void BuiltInFunction::construct (const vector<TypeDeclPtr> & args ) {
        this->totalStackSize = sizeof(Prologue);
        for ( size_t argi=1; argi != args.size(); ++argi ) {
            auto arg = new Variable();
            arg->name = "arg" + to_string(argi-1);
            arg->type = args[argi];
            if ( arg->type->baseType==Type::fakeContext ) {
                arg->init = new ExprFakeContext(at);
                arg->init->generated = true;
            } else if ( arg->type->baseType==Type::fakeLineInfo ) {
                arg->init = new ExprFakeLineInfo(at);
                arg->init->generated = true;
            }
            if ( arg->type->isTempType() ) {
                arg->type->implicit = true;
            }
            this->arguments.push_back(arg);
        }
        result = args[0];
        if ( result->isRefType() && !result->ref ) {
            if ( result->canCopy() ) {
                copyOnReturn = true;
                moveOnReturn = false;
            } else if ( result->canMove() ) {
                copyOnReturn = false;
                moveOnReturn = true;
            } else if ( result->ref ) {
                // its ref, so its fine
            } else if ( result->hasNonTrivialCtor() ) {
                // we can initialize it locally
            } else {
                DAS_FATAL_ERROR("BuiltInFn %s can't be bound. It returns values which can't be copied or moved\n", name.c_str());
            }
        } else {
            copyOnReturn = false;
            moveOnReturn = false;
        }
    }

    void BuiltInFunction::constructExternal (const vector<TypeDeclPtr> & args ) {
        this->totalStackSize = sizeof(Prologue);