mirror of
https://github.com/janet-lang/janet
synced 2024-12-24 07:20:27 +00:00
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
#include "unit.h"
|
|
#include "../core/gc.h"
|
|
#include <dst/dst.h>
|
|
#include <stdio.h>
|
|
|
|
/* Create dud funcdef and function */
|
|
static DstFunction *dud_func(uint32_t slotcount, uint32_t arity, int varargs) {
|
|
DstFuncDef *def = dst_gcalloc(DST_MEMORY_FUNCDEF, sizeof(DstFuncDef));
|
|
def->environments_length = 0;
|
|
def->constants_length = 0;
|
|
def->bytecode_length = 0;
|
|
def->environments = NULL;
|
|
def->constants = NULL;
|
|
def->bytecode = NULL;
|
|
def->flags = varargs ? DST_FUNCDEF_FLAG_VARARG : 0;
|
|
def->arity = arity;
|
|
def->slotcount = slotcount;
|
|
DstFunction *f = dst_gcalloc(DST_MEMORY_FUNCTION, sizeof(DstFunction));
|
|
f->envs = NULL;
|
|
f->def = def;
|
|
return f;
|
|
}
|
|
|
|
/* Print debug information for a fiber */
|
|
static void debug_print_fiber(DstFiber *fiber, int showslots) {
|
|
uint32_t frameindex = fiber->frame;
|
|
uint32_t frametopindex = fiber->frametop;
|
|
const char *statusname =
|
|
fiber->status == DST_FIBER_ALIVE ? "alive" :
|
|
fiber->status == DST_FIBER_PENDING ? "pending" :
|
|
fiber->status == DST_FIBER_ERROR ? "error" :
|
|
"dead";
|
|
|
|
printf("fiber at %p\n", fiber);
|
|
printf(" frame = %d\n", fiber->frame);
|
|
printf(" frametop = %d\n", fiber->frametop);
|
|
printf(" stacktop = %d\n", fiber->stacktop);
|
|
printf(" capacity = %d\n", fiber->capacity);
|
|
printf(" status = %s\n -----\n", statusname);
|
|
|
|
while (frameindex > 0) {
|
|
DstValue *stack = fiber->data + frameindex;
|
|
DstStackFrame *frame = dst_stack_frame(stack);
|
|
uint32_t slots = frametopindex - frameindex;
|
|
const uint8_t *str;
|
|
/* Print the stack frame */
|
|
if (frame->func != NULL)
|
|
str = dst_to_string(dst_wrap_function(frame->func));
|
|
else
|
|
str = dst_cstring("<anonymous>");
|
|
printf(" at %.*s (slots: %d)\n",
|
|
dst_string_length(str),
|
|
(const char *)str,
|
|
slots);
|
|
/* Optionally print all values in the stack */
|
|
if (showslots) {
|
|
for (uint32_t j = 0; j < slots; j++) {
|
|
const uint8_t *vstr = dst_to_string(stack[j]);
|
|
printf(" [%d]: %.*s\n",
|
|
j,
|
|
dst_string_length(vstr),
|
|
(const char *)vstr);
|
|
}
|
|
}
|
|
frametopindex = frameindex - DST_FRAME_SIZE;
|
|
frameindex = frame->prevframe;
|
|
}
|
|
|
|
}
|
|
|
|
int main() {
|
|
dst_init();
|
|
|
|
DstFunction *f1 = dud_func(5, 0, 1);
|
|
DstFiber *fiber1 = dst_fiber(10);
|
|
for (int i = 0; i < 2; i++) {
|
|
dst_fiber_funcframe(fiber1, f1);
|
|
}
|
|
for (int i = 0; i < 13; i++) {
|
|
dst_fiber_push(fiber1, dst_wrap_integer(i));
|
|
}
|
|
for (int i = 0; i < 10; i++) {
|
|
dst_fiber_popvalue(fiber1);
|
|
}
|
|
dst_fiber_funcframe_tail(fiber1, dud_func(20, 0, 0));
|
|
debug_print_fiber(fiber1, 1);
|
|
|
|
//dst_deinit();
|
|
|
|
return 0;
|
|
}
|