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janet/src/core/value.c
Calvin Rose 1ef6db16ed Add janet_vm_save and janet_vm_load. 
This lets a user multiplex multiple Janet VMs on a single
thread or process if they are willing to implement context switching
themselves.
2021-07-16 20:59:03 -05:00

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/*
* Copyright (c) 2021 Calvin Rose
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef JANET_AMALG
#include "features.h"
#include "util.h"
#include "state.h"
#include "gc.h"
#include "fiber.h"
#include <janet.h>
#endif
#include <math.h>
static void push_traversal_node(void *lhs, void *rhs, int32_t index2) {
JanetTraversalNode node;
node.self = (JanetGCObject *) lhs;
node.other = (JanetGCObject *) rhs;
node.index = 0;
node.index2 = index2;
if (janet_vm.traversal + 1 >= janet_vm.traversal_top) {
size_t oldsize = janet_vm.traversal - janet_vm.traversal_base;
size_t newsize = 2 * oldsize + 1;
if (newsize < 128) {
newsize = 128;
}
JanetTraversalNode *tn = janet_realloc(janet_vm.traversal_base, newsize * sizeof(JanetTraversalNode));
if (tn == NULL) {
JANET_OUT_OF_MEMORY;
}
janet_vm.traversal_base = tn;
janet_vm.traversal_top = janet_vm.traversal_base + newsize;
janet_vm.traversal = janet_vm.traversal_base + oldsize;
}
*(++janet_vm.traversal) = node;
}
/*
* Used for travsersing structs and tuples without recursion
* Returns:
* 0 - next node found
* 1 - early stop - lhs < rhs
* 2 - no next node found
* 3 - early stop - lhs > rhs
*/
static int traversal_next(Janet *x, Janet *y) {
JanetTraversalNode *t = janet_vm.traversal;
while (t && t > janet_vm.traversal_base) {
JanetGCObject *self = t->self;
JanetTupleHead *tself = (JanetTupleHead *)self;
JanetStructHead *sself = (JanetStructHead *)self;
JanetGCObject *other = t->other;
JanetTupleHead *tother = (JanetTupleHead *)other;
JanetStructHead *sother = (JanetStructHead *)other;
if ((self->flags & JANET_MEM_TYPEBITS) == JANET_MEMORY_TUPLE) {
/* Node is a tuple at index t->index */
if (t->index < tself->length && t->index < tother->length) {
int32_t index = t->index++;
*x = tself->data[index];
*y = tother->data[index];
janet_vm.traversal = t;
return 0;
}
if (t->index2 && tself->length != tother->length) {
return tself->length > tother->length ? 3 : 1;
}
} else {
/* Node is a struct at index t->index: if t->index2 is true, we should return the values. */
if (t->index2) {
t->index2 = 0;
int32_t index = t->index++;
*x = sself->data[index].value;
*y = sother->data[index].value;
janet_vm.traversal = t;
return 0;
}
for (int32_t i = t->index; i < sself->capacity; i++) {
t->index2 = 1;
*x = sself->data[t->index].key;
*y = sother->data[t->index].key;
janet_vm.traversal = t;
return 0;
}
}
t--;
}
janet_vm.traversal = t;
return 2;
}
/*
* Define a number of functions that can be used internally on ANY Janet.
*/
Janet janet_next(Janet ds, Janet key) {
return janet_next_impl(ds, key, 0);
}
Janet janet_next_impl(Janet ds, Janet key, int is_interpreter) {
JanetType t = janet_type(ds);
switch (t) {
default:
janet_panicf("expected iterable type, got %v", ds);
case JANET_TABLE:
case JANET_STRUCT: {
const JanetKV *start;
int32_t cap;
if (t == JANET_TABLE) {
JanetTable *tab = janet_unwrap_table(ds);
cap = tab->capacity;
start = tab->data;
} else {
JanetStruct st = janet_unwrap_struct(ds);
cap = janet_struct_capacity(st);
start = st;
}
const JanetKV *end = start + cap;
const JanetKV *kv = janet_checktype(key, JANET_NIL)
? start
: janet_dict_find(start, cap, key) + 1;
while (kv < end) {
if (!janet_checktype(kv->key, JANET_NIL)) return kv->key;
kv++;
}
break;
}
case JANET_STRING:
case JANET_KEYWORD:
case JANET_SYMBOL:
case JANET_BUFFER:
case JANET_ARRAY:
case JANET_TUPLE: {
int32_t i;
if (janet_checktype(key, JANET_NIL)) {
i = 0;
} else if (janet_checkint(key)) {
i = janet_unwrap_integer(key) + 1;
} else {
break;
}
int32_t len;
if (t == JANET_BUFFER) {
len = janet_unwrap_buffer(ds)->count;
} else if (t == JANET_ARRAY) {
len = janet_unwrap_array(ds)->count;
} else if (t == JANET_TUPLE) {
len = janet_tuple_length(janet_unwrap_tuple(ds));
} else {
len = janet_string_length(janet_unwrap_string(ds));
}
if (i < len && i >= 0) {
return janet_wrap_integer(i);
}
break;
}
case JANET_ABSTRACT: {
JanetAbstract abst = janet_unwrap_abstract(ds);
const JanetAbstractType *at = janet_abstract_type(abst);
if (NULL == at->next) break;
return at->next(abst, key);
}
case JANET_FIBER: {
JanetFiber *child = janet_unwrap_fiber(ds);
Janet retreg;
JanetFiberStatus status = janet_fiber_status(child);
if (status == JANET_STATUS_ALIVE ||
status == JANET_STATUS_DEAD ||
status == JANET_STATUS_ERROR ||
status == JANET_STATUS_USER0 ||
status == JANET_STATUS_USER1 ||
status == JANET_STATUS_USER2 ||
status == JANET_STATUS_USER3 ||
status == JANET_STATUS_USER4) {
return janet_wrap_nil();
}
janet_vm.fiber->child = child;
JanetSignal sig = janet_continue(child, janet_wrap_nil(), &retreg);
if (sig != JANET_SIGNAL_OK && !(child->flags & (1 << sig))) {
if (is_interpreter) {
janet_signalv(sig, retreg);
} else {
janet_vm.fiber->child = NULL;
janet_panicv(retreg);
}
}
janet_vm.fiber->child = NULL;
if (sig == JANET_SIGNAL_OK ||
sig == JANET_SIGNAL_ERROR ||
sig == JANET_SIGNAL_USER0 ||
sig == JANET_SIGNAL_USER1 ||
sig == JANET_SIGNAL_USER2 ||
sig == JANET_SIGNAL_USER3 ||
sig == JANET_SIGNAL_USER4) {
/* Fiber cannot be resumed, so discard last value. */
return janet_wrap_nil();
} else {
return janet_wrap_integer(0);
}
}
}
return janet_wrap_nil();
}
/* Compare two abstract values */
static int janet_compare_abstract(JanetAbstract xx, JanetAbstract yy) {
if (xx == yy) return 0;
const JanetAbstractType *xt = janet_abstract_type(xx);
const JanetAbstractType *yt = janet_abstract_type(yy);
if (xt != yt) {
return xt > yt ? 1 : -1;
}
if (xt->compare == NULL) {
return xx > yy ? 1 : -1;
}
return xt->compare(xx, yy);
}
int janet_equals(Janet x, Janet y) {
janet_vm.traversal = janet_vm.traversal_base;
do {
if (janet_type(x) != janet_type(y)) return 0;
switch (janet_type(x)) {
case JANET_NIL:
break;
case JANET_BOOLEAN:
if (janet_unwrap_boolean(x) != janet_unwrap_boolean(y)) return 0;
break;
case JANET_NUMBER:
if (janet_unwrap_number(x) != janet_unwrap_number(y)) return 0;
break;
case JANET_STRING:
if (!janet_string_equal(janet_unwrap_string(x), janet_unwrap_string(y))) return 0;
break;
case JANET_ABSTRACT:
if (janet_compare_abstract(janet_unwrap_abstract(x), janet_unwrap_abstract(y))) return 0;
break;
default:
if (janet_unwrap_pointer(x) != janet_unwrap_pointer(y)) return 0;
break;
case JANET_TUPLE: {
const Janet *t1 = janet_unwrap_tuple(x);
const Janet *t2 = janet_unwrap_tuple(y);
if (t1 == t2) break;
if (janet_tuple_hash(t1) != janet_tuple_hash(t2)) return 0;
if (janet_tuple_length(t1) != janet_tuple_length(t2)) return 0;
push_traversal_node(janet_tuple_head(t1), janet_tuple_head(t2), 0);
break;
}
break;
case JANET_STRUCT: {
const JanetKV *s1 = janet_unwrap_struct(x);
const JanetKV *s2 = janet_unwrap_struct(y);
if (s1 == s2) break;
if (janet_struct_hash(s1) != janet_struct_hash(s2)) return 0;
if (janet_struct_length(s1) != janet_struct_length(s2)) return 0;
push_traversal_node(janet_struct_head(s1), janet_struct_head(s2), 0);
break;
}
break;
}
} while (!traversal_next(&x, &y));
return 1;
}
/* Computes a hash value for a function */
int32_t janet_hash(Janet x) {
int32_t hash = 0;
switch (janet_type(x)) {
case JANET_NIL:
hash = 0;
break;
case JANET_BOOLEAN:
hash = janet_unwrap_boolean(x);
break;
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD:
hash = janet_string_hash(janet_unwrap_string(x));
break;
case JANET_TUPLE:
hash = janet_tuple_hash(janet_unwrap_tuple(x));
break;
case JANET_STRUCT:
hash = janet_struct_hash(janet_unwrap_struct(x));
break;
case JANET_NUMBER: {
union {
double d;
uint64_t u;
} as;
as.d = janet_unwrap_number(x);
uint32_t lo = (uint32_t)(as.u & 0xFFFFFFFF);
uint32_t hi = (uint32_t)(as.u >> 32);
hash = (int32_t)(hi ^ (lo >> 3));
break;
}
case JANET_ABSTRACT: {
JanetAbstract xx = janet_unwrap_abstract(x);
const JanetAbstractType *at = janet_abstract_type(xx);
if (at->hash != NULL) {
hash = at->hash(xx, janet_abstract_size(xx));
break;
}
}
/* fallthrough */
default:
if (sizeof(double) == sizeof(void *)) {
/* Assuming 8 byte pointer */
uint64_t i = janet_u64(x);
uint32_t lo = (uint32_t)(i & 0xFFFFFFFF);
uint32_t hi = (uint32_t)(i >> 32);
hash = (int32_t)(hi ^ (lo >> 3));
} else {
/* Assuming 4 byte pointer (or smaller) */
hash = (int32_t)((char *)janet_unwrap_pointer(x) - (char *)0);
hash >>= 2;
}
break;
}
return hash;
}
/* Compares x to y. If they are equal returns 0. If x is less, returns -1.
* If y is less, returns 1. All types are comparable
* and should have strict ordering, excepts NaNs. */
int janet_compare(Janet x, Janet y) {
janet_vm.traversal = janet_vm.traversal_base;
int status;
do {
JanetType tx = janet_type(x);
JanetType ty = janet_type(y);
if (tx != ty) return tx < ty ? -1 : 1;
switch (tx) {
case JANET_NIL:
break;
case JANET_BOOLEAN: {
int diff = janet_unwrap_boolean(x) - janet_unwrap_boolean(y);
if (diff) return diff;
break;
}
case JANET_NUMBER: {
double xx = janet_unwrap_number(x);
double yy = janet_unwrap_number(y);
if (xx == yy) {
break;
} else {
return (xx < yy) ? -1 : 1;
}
}
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD: {
int diff = janet_string_compare(janet_unwrap_string(x), janet_unwrap_string(y));
if (diff) return diff;
break;
}
case JANET_ABSTRACT: {
int diff = janet_compare_abstract(janet_unwrap_abstract(x), janet_unwrap_abstract(y));
if (diff) return diff;
break;
}
default: {
if (janet_unwrap_pointer(x) == janet_unwrap_pointer(y)) {
break;
} else {
return janet_unwrap_pointer(x) > janet_unwrap_pointer(y) ? 1 : -1;
}
}
case JANET_TUPLE: {
const Janet *lhs = janet_unwrap_tuple(x);
const Janet *rhs = janet_unwrap_tuple(y);
push_traversal_node(janet_tuple_head(lhs), janet_tuple_head(rhs), 1);
break;
}
case JANET_STRUCT: {
const JanetKV *lhs = janet_unwrap_struct(x);
const JanetKV *rhs = janet_unwrap_struct(y);
int32_t llen = janet_struct_capacity(lhs);
int32_t rlen = janet_struct_capacity(rhs);
int32_t lhash = janet_struct_hash(lhs);
int32_t rhash = janet_struct_hash(rhs);
if (llen < rlen) return -1;
if (llen > rlen) return 1;
if (lhash < rhash) return -1;
if (lhash > rhash) return 1;
push_traversal_node(janet_struct_head(lhs), janet_struct_head(rhs), 0);
break;
}
}
} while (!(status = traversal_next(&x, &y)));
return status - 2;
}
static int32_t getter_checkint(Janet key, int32_t max) {
if (!janet_checkint(key)) goto bad;
int32_t ret = janet_unwrap_integer(key);
if (ret < 0) goto bad;
if (ret >= max) goto bad;
return ret;
bad:
janet_panicf("expected integer key in range [0, %d), got %v", max, key);
}
/* Gets a value and returns. Can panic. */
Janet janet_in(Janet ds, Janet key) {
Janet value;
switch (janet_type(ds)) {
default:
janet_panicf("expected %T, got %v", JANET_TFLAG_LENGTHABLE, ds);
break;
case JANET_STRUCT:
value = janet_struct_get(janet_unwrap_struct(ds), key);
break;
case JANET_TABLE:
value = janet_table_get(janet_unwrap_table(ds), key);
break;
case JANET_ARRAY: {
JanetArray *array = janet_unwrap_array(ds);
int32_t index = getter_checkint(key, array->count);
value = array->data[index];
break;
}
case JANET_TUPLE: {
const Janet *tuple = janet_unwrap_tuple(ds);
int32_t len = janet_tuple_length(tuple);
value = tuple[getter_checkint(key, len)];
break;
}
case JANET_BUFFER: {
JanetBuffer *buffer = janet_unwrap_buffer(ds);
int32_t index = getter_checkint(key, buffer->count);
value = janet_wrap_integer(buffer->data[index]);
break;
}
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD: {
const uint8_t *str = janet_unwrap_string(ds);
int32_t index = getter_checkint(key, janet_string_length(str));
value = janet_wrap_integer(str[index]);
break;
}
case JANET_ABSTRACT: {
JanetAbstractType *type = (JanetAbstractType *)janet_abstract_type(janet_unwrap_abstract(ds));
if (type->get) {
if (!(type->get)(janet_unwrap_abstract(ds), key, &value))
janet_panicf("key %v not found in %v ", key, ds);
} else {
janet_panicf("no getter for %v ", ds);
}
break;
}
case JANET_FIBER: {
/* Bit of a hack to allow iterating over fibers. */
if (janet_equals(key, janet_wrap_integer(0))) {
return janet_unwrap_fiber(ds)->last_value;
} else {
janet_panicf("expected key 0, got %v", key);
}
}
}
return value;
}
Janet janet_get(Janet ds, Janet key) {
JanetType t = janet_type(ds);
switch (t) {
default:
return janet_wrap_nil();
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD: {
if (!janet_checkint(key)) return janet_wrap_nil();
int32_t index = janet_unwrap_integer(key);
if (index < 0) return janet_wrap_nil();
const uint8_t *str = janet_unwrap_string(ds);
if (index >= janet_string_length(str)) return janet_wrap_nil();
return janet_wrap_integer(str[index]);
}
case JANET_ABSTRACT: {
Janet value;
void *abst = janet_unwrap_abstract(ds);
JanetAbstractType *type = (JanetAbstractType *)janet_abstract_type(abst);
if (!type->get) return janet_wrap_nil();
if ((type->get)(abst, key, &value))
return value;
return janet_wrap_nil();
}
case JANET_ARRAY:
case JANET_TUPLE:
case JANET_BUFFER: {
if (!janet_checkint(key)) return janet_wrap_nil();
int32_t index = janet_unwrap_integer(key);
if (index < 0) return janet_wrap_nil();
if (t == JANET_ARRAY) {
JanetArray *a = janet_unwrap_array(ds);
if (index >= a->count) return janet_wrap_nil();
return a->data[index];
} else if (t == JANET_BUFFER) {
JanetBuffer *b = janet_unwrap_buffer(ds);
if (index >= b->count) return janet_wrap_nil();
return janet_wrap_integer(b->data[index]);
} else {
const Janet *t = janet_unwrap_tuple(ds);
if (index >= janet_tuple_length(t)) return janet_wrap_nil();
return t[index];
}
}
case JANET_TABLE: {
return janet_table_get(janet_unwrap_table(ds), key);
}
case JANET_STRUCT: {
const JanetKV *st = janet_unwrap_struct(ds);
return janet_struct_get(st, key);
}
case JANET_FIBER: {
/* Bit of a hack to allow iterating over fibers. */
if (janet_equals(key, janet_wrap_integer(0))) {
return janet_unwrap_fiber(ds)->last_value;
} else {
return janet_wrap_nil();
}
}
}
}
Janet janet_getindex(Janet ds, int32_t index) {
Janet value;
if (index < 0) janet_panic("expected non-negative index");
switch (janet_type(ds)) {
default:
janet_panicf("expected %T, got %v", JANET_TFLAG_LENGTHABLE, ds);
break;
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD:
if (index >= janet_string_length(janet_unwrap_string(ds))) {
value = janet_wrap_nil();
} else {
value = janet_wrap_integer(janet_unwrap_string(ds)[index]);
}
break;
case JANET_ARRAY:
if (index >= janet_unwrap_array(ds)->count) {
value = janet_wrap_nil();
} else {
value = janet_unwrap_array(ds)->data[index];
}
break;
case JANET_BUFFER:
if (index >= janet_unwrap_buffer(ds)->count) {
value = janet_wrap_nil();
} else {
value = janet_wrap_integer(janet_unwrap_buffer(ds)->data[index]);
}
break;
case JANET_TUPLE:
if (index >= janet_tuple_length(janet_unwrap_tuple(ds))) {
value = janet_wrap_nil();
} else {
value = janet_unwrap_tuple(ds)[index];
}
break;
case JANET_TABLE:
value = janet_table_get(janet_unwrap_table(ds), janet_wrap_integer(index));
break;
case JANET_STRUCT:
value = janet_struct_get(janet_unwrap_struct(ds), janet_wrap_integer(index));
break;
case JANET_ABSTRACT: {
JanetAbstractType *type = (JanetAbstractType *)janet_abstract_type(janet_unwrap_abstract(ds));
if (type->get) {
if (!(type->get)(janet_unwrap_abstract(ds), janet_wrap_integer(index), &value))
value = janet_wrap_nil();
} else {
janet_panicf("no getter for %v ", ds);
}
break;
}
case JANET_FIBER: {
if (index == 0) {
value = janet_unwrap_fiber(ds)->last_value;
} else {
value = janet_wrap_nil();
}
break;
}
}
return value;
}
int32_t janet_length(Janet x) {
switch (janet_type(x)) {
default:
janet_panicf("expected %T, got %v", JANET_TFLAG_LENGTHABLE, x);
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD:
return janet_string_length(janet_unwrap_string(x));
case JANET_ARRAY:
return janet_unwrap_array(x)->count;
case JANET_BUFFER:
return janet_unwrap_buffer(x)->count;
case JANET_TUPLE:
return janet_tuple_length(janet_unwrap_tuple(x));
case JANET_STRUCT:
return janet_struct_length(janet_unwrap_struct(x));
case JANET_TABLE:
return janet_unwrap_table(x)->count;
case JANET_ABSTRACT: {
Janet argv[1] = { x };
Janet len = janet_mcall("length", 1, argv);
if (!janet_checkint(len))
janet_panicf("invalid integer length %v", len);
return janet_unwrap_integer(len);
}
}
}
Janet janet_lengthv(Janet x) {
switch (janet_type(x)) {
default:
janet_panicf("expected %T, got %v", JANET_TFLAG_LENGTHABLE, x);
case JANET_STRING:
case JANET_SYMBOL:
case JANET_KEYWORD:
return janet_wrap_integer(janet_string_length(janet_unwrap_string(x)));
case JANET_ARRAY:
return janet_wrap_integer(janet_unwrap_array(x)->count);
case JANET_BUFFER:
return janet_wrap_integer(janet_unwrap_buffer(x)->count);
case JANET_TUPLE:
return janet_wrap_integer(janet_tuple_length(janet_unwrap_tuple(x)));
case JANET_STRUCT:
return janet_wrap_integer(janet_struct_length(janet_unwrap_struct(x)));
case JANET_TABLE:
return janet_wrap_integer(janet_unwrap_table(x)->count);
case JANET_ABSTRACT: {
Janet argv[1] = { x };
return janet_mcall("length", 1, argv);
}
}
}
void janet_putindex(Janet ds, int32_t index, Janet value) {
switch (janet_type(ds)) {
default:
janet_panicf("expected %T, got %v",
JANET_TFLAG_ARRAY | JANET_TFLAG_BUFFER | JANET_TFLAG_TABLE, ds);
case JANET_ARRAY: {
JanetArray *array = janet_unwrap_array(ds);
if (index >= array->count) {
janet_array_ensure(array, index + 1, 2);
array->count = index + 1;
}
array->data[index] = value;
break;
}
case JANET_BUFFER: {
JanetBuffer *buffer = janet_unwrap_buffer(ds);
if (!janet_checkint(value))
janet_panicf("can only put integers in buffers, got %v", value);
if (index >= buffer->count) {
janet_buffer_ensure(buffer, index + 1, 2);
buffer->count = index + 1;
}
buffer->data[index] = (uint8_t)(janet_unwrap_integer(value) & 0xFF);
break;
}
case JANET_TABLE: {
JanetTable *table = janet_unwrap_table(ds);
janet_table_put(table, janet_wrap_integer(index), value);
break;
}
case JANET_ABSTRACT: {
JanetAbstractType *type = (JanetAbstractType *)janet_abstract_type(janet_unwrap_abstract(ds));
if (type->put) {
(type->put)(janet_unwrap_abstract(ds), janet_wrap_integer(index), value);
} else {
janet_panicf("no setter for %v ", ds);
}
break;
}
}
}
void janet_put(Janet ds, Janet key, Janet value) {
switch (janet_type(ds)) {
default:
janet_panicf("expected %T, got %v",
JANET_TFLAG_ARRAY | JANET_TFLAG_BUFFER | JANET_TFLAG_TABLE, ds);
case JANET_ARRAY: {
JanetArray *array = janet_unwrap_array(ds);
int32_t index = getter_checkint(key, INT32_MAX - 1);
if (index >= array->count) {
janet_array_setcount(array, index + 1);
}
array->data[index] = value;
break;
}
case JANET_BUFFER: {
JanetBuffer *buffer = janet_unwrap_buffer(ds);
int32_t index = getter_checkint(key, INT32_MAX - 1);
if (!janet_checkint(value))
janet_panicf("can only put integers in buffers, got %v", value);
if (index >= buffer->count) {
janet_buffer_setcount(buffer, index + 1);
}
buffer->data[index] = (uint8_t)(janet_unwrap_integer(value) & 0xFF);
break;
}
case JANET_TABLE:
janet_table_put(janet_unwrap_table(ds), key, value);
break;
case JANET_ABSTRACT: {
JanetAbstractType *type = (JanetAbstractType *)janet_abstract_type(janet_unwrap_abstract(ds));
if (type->put) {
(type->put)(janet_unwrap_abstract(ds), key, value);
} else {
janet_panicf("no setter for %v ", ds);
}
break;
}
}
}
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