C++ (Cpp) lambdap Examples

Example #1

File: mono.c Project: kmizumar/Mono

int eval(int addr){
        int res;
    
    if(atomp(addr)){
                if(IS_NUMBER(addr))
                return(addr);
        if(IS_SYMBOL(addr)){
                res = findsym(GET_NAME(addr));
            switch(GET_TAG(res)){
                case NUM:       return(makenum(GET_NUMBER(res)));
                case SYM:       return(GET_BIND(res));
                case LIS:       return(GET_BIND(res));
            }
        }
    }
    else{
    if(HAS_NAME(car(addr),"quote"))
        return(cadr(addr));
    if(subrp(car(addr)))
        return(apply(symname(car(addr)),evlis(cdr(addr))));
    if(fsubrp(car(addr)))
        return(apply(symname(car(addr)),cdr(addr)));
    if(lambdap(car(addr)))
        return(apply(symname(car(addr)),evlis(cdr(addr))));
    }
    return(NIL);
}

Example #2

File: libplisp.c Project: hongyunnchen/parallella-lisp

void mark_expr(node *o, unsigned char persistence) {
    if ( nullp(o) ) {
        return;
    }
    if (pairp(o) or consp(o)) {
        mark_expr(o->car, persistence);
        mark_expr(o->cdr, persistence);
    } else if (lambdap(o)) {
        mark_expr(o->args, persistence);
        mark_expr(o->body, persistence);
    }
    if (o->marked <= 1) {
        o->marked = persistence;
    }
    return;
}

Example #3

File: mono.c Project: sasagawa888/Mono-Lisp

//--------eval---------------        
int eval(int addr){
	int res;
    
    //ctrl+cによる割り込みがあった場合
    if(exit_flag == 1){
    	exit_flag = 0;
        P = addr; //後で調べられるように退避
        printf("exit eval by CTRL_C_EVENT\n"); fflush(stdout);
        longjmp(buf,1);
    }
    
    if(atomp(addr)){
		if(numberp(addr))
    		return(addr);
    	if(symbolp(addr)){
    		res = findsym(addr);
            if(res == 0)
            	error(CANT_FIND_ERR, "eval", addr);
            else
            	switch(GET_TAG(res)){
                	case NUM:	return(res);
                	case SYM:	return(res);
                    case LIS:	return(res);
                	case SUBR:	return(res);
                    case FSUBR:	return(res);
                    case LAMBDA:return(GET_BIND(res));
                }	
        }
    }
    else 
    if(listp(addr)){
    	if((symbolp(car(addr))) &&(HAS_NAME(car(addr),"quote")))
    		return(cadr(addr));
        if(numberp(car(addr)))
        	error(ARG_SYM_ERR, "eval", addr);
    	if(subrp(car(addr)))
    		return(apply(car(addr),evlis(cdr(addr))));
    	if(fsubrp(car(addr)))
            return(apply(car(addr),cdr(addr)));
    	if(lambdap(car(addr)))
    		return(apply(car(addr),evlis(cdr(addr))));	  
    }
    error(CANT_FIND_ERR, "eval", addr);
}