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#include "3cl.h"
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "instruction.h"
int ccl_init(struct CCL *ccl, const char *code, int (*in)(), void (*out)(int))
{
*ccl = (struct CCL)
{
.code = code,
.stopped = false,
.in = in,
.out = out,
.rootframe = (struct CCLFrame)
{
.prev = NULL, .next = NULL,
.type = CCL_ROOT,
.ep = 0,
.vars = (struct CCLVariable)
{
.prev = NULL,
.next = NULL,
.name = '_',
.value = 0
},
},
.stack = (struct CCLStack)
{
.length = CCL_STACKSIZE,
.stack = (CCLNum *)malloc(CCL_STACKSIZE)
},
};
return errno;
}
void ccl_free(struct CCL *ccl)
{
free(ccl->stack.stack);
if (ccl->rootframe.next != NULL)
{
for (struct CCLFrame *frame = ccl->rootframe.next, *new;;)
{
if (frame->vars.next != NULL)
{
for (struct CCLVariable *var = frame->vars.next, *new;;)
{
if (var->next == NULL)
break;
new = var->next;
free(var);
var = new;
}
}
if (frame->next == NULL)
break;
new = frame->next;
free(frame);
frame = new;
}
}
}
void ccl_exec(struct CCL *ccl)
{
struct CCLFrame *curframe = &ccl->rootframe;
for (;;)
{
curframe = ccl_instruction(ccl, curframe);
if (ccl->stopped)
break;
}
}
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