Method preVisitMakeLocal

src/ast/ast_derive_alias.cpp:347–391

    // make local
        template <typename TT>
        void preVisitMakeLocal ( ExprMakeLocal * expr, TT && collectAliasSources ) {
            auto it = cmresDest.find(expr);
            if ( it!=cmresDest.end() ) {
                // left
                auto resOut = it->second;
                ExpressionSources resSrc;
                if ( collectSources(program, resOut, resSrc, false, true) ) {
                    if ( checkAliasing ) {
                        program->error("[[" + string(expr->__rtti) + " ]] always aliases",
                            "some form of ... *ptr ... = [[" + string(expr->__rtti) + " ...]] where we don't know where pointer came from", "",
                                expr->at, CompilationError::invalid_expression);
                    } else {
                        expr->alwaysAlias = true;
                    }
                    return;
                }
                // check if there are any globals
                bool anyGlobals = false;
                for ( auto v : resSrc ) {
                    if ( v->global ) {
                        anyGlobals = true;
                        break;
                    }
                }
                // right
                ExpressionSources argSrc;
                if ( collectAliasSources(argSrc,anyGlobals) ) {
                    if ( checkAliasing ) {
                        program->error("[[" + string(expr->__rtti) + " ]] always aliases",
                            "some form of ... = [[" + string(expr->__rtti) + " ... *ptr ... ]] where we don't know where pointer came from", "",
                                expr->at, CompilationError::invalid_expression);
                    } else {
                        expr->alwaysAlias = true;
                    }
                } else if ( auto aliasVar = intersectSources ( resSrc, argSrc ) ) {
                    if ( checkAliasing ) {
                        program->error("[[" + string(expr->__rtti) + " ]] aliases",
                            "some form of ... " + aliasVar->name + " ... = [[" + string(expr->__rtti) + " ... " + aliasVar->name + " ... ]]", "",
                                expr->at, CompilationError::invalid_expression);
                    } else {
                        expr->alwaysAlias = true;
                    }
                }
            }
        }
        virtual void preVisit ( ExprMakeArray * expr ) override {
            Visitor::preVisit(expr);
            preVisitMakeLocal(expr,[&](ExpressionSources & argSrc, bool anyGlobals) -> bool {