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#include <u.h>
#include <libc.h>
#include <bio.h>

#include "apl9.h"

Rune *
ppdatum(Datum d)
{
	Rune *result;
	switch(d.tag){
	case ArrayTag: result = pparray(d.array); break;
	case FunctionTag: result = runesmprint("%C", primfuncnames[d.code]); break;
	case HybridTag: result = runesmprint("%C", primhybridnames[d.code]); break;
	case MonadicOpTag: result = runesmprint("%C", primmonopnames[d.code]); break;
	case DyadicOpTag: result = runesmprint("%C", primdyadopnames[d.code]); break;
	case LParTag: result = runestrdup(L"("); break;
	case RParTag: result = runestrdup(L")"); break;
	case LCurlTag: result = runestrdup(L"{"); break;
	case RCurlTag: result = runestrdup(L"}"); break;
	case LBracketTag: result = runestrdup(L"["); break;
	case RBracketTag: result = runestrdup(L"]"); break;
	default: result = runesmprint("<not printable %d>", d.tag);
	}
	return result;
}

Rune *
ppdatums(Datum *ds, int n)
{
	int i;
	Rune *res = runesmprint("");
	Rune *tmp;
	for(i = 0; i < n; i++){
		tmp = res;
		res = runesmprint("%S %S", res, ppdatum(ds[i]));
		free(tmp);
	}
	return res;
}

Rune *
pparray(Array *a)
{
	/* can only print integer vectors and scalars for now, also nested */
	if(a->type == AtypeArray){
		Rune *res = runesmprint("[");
		Rune *tmp;
		for(int i = 0; i < a->size; i++){
			tmp = res;
			res = runesmprint("%S%S%s", res, pparray(a->arraydata[i]), (i+1<a->size)?";":"]");
			free(tmp);
		}
		return res;
	}else{
		Rune *res = runesmprint("");
		Rune *tmp;
		for(int i = 0; i < a->size; i++){
			tmp = res;
			res = runesmprint("%S%lld%s", res, a->intdata[i], (i+1<a->size)?" ":"");
			free(tmp);
		}
		return res;
	}
}