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Code Issues 1 Releases Wiki Activity

Change code for marshalling abstract types.

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This commit is contained in:
Calvin Rose 2023-07-01 08:42:32 -05:00
parent db902c90c4
commit 58d297364a
1 changed files with 16 additions and 11 deletions
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27
src/core/marsh.c
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@ -364,11 +364,12 @@ void janet_marshal_int(JanetMarshalContext *ctx, int32_t value) {
/* Only use in unsafe - don't marshal pointers otherwise */ /* Only use in unsafe - don't marshal pointers otherwise */
void janet_marshal_ptr(JanetMarshalContext *ctx, const void *ptr) { void janet_marshal_ptr(JanetMarshalContext *ctx, const void *ptr) {
#ifdef JANET_32 union {
janet_marshal_int(ctx, (intptr_t) ptr); const void *ptr;
#else uint8_t bytes[sizeof(void *)];
janet_marshal_int64(ctx, (intptr_t) ptr); } u;
#endif u.ptr = ptr;
pushbytes(ctx->m_state, u.bytes, sizeof(void *));
} }
void janet_marshal_byte(JanetMarshalContext *ctx, uint8_t value) { void janet_marshal_byte(JanetMarshalContext *ctx, uint8_t value) {
@ -422,6 +423,7 @@ static void marshal_one_abstract(MarshalState *st, Janet x, int flags) {
marshal_one(st, janet_csymbolv(at->name), flags + 1); marshal_one(st, janet_csymbolv(at->name), flags + 1);
JanetMarshalContext context = {st, NULL, flags, NULL, at}; JanetMarshalContext context = {st, NULL, flags, NULL, at};
at->marshal(abstract, &context); at->marshal(abstract, &context);
MARK_SEEN();
} else { } else {
janet_panicf("cannot marshal %p", x); janet_panicf("cannot marshal %p", x);
} }
@ -926,7 +928,7 @@ static const uint8_t *unmarshal_one_def(
Janet value; Janet value;
data = unmarshal_one(st, data, &value, flags + 1); data = unmarshal_one(st, data, &value, flags + 1);
if (!janet_checktype(value, JANET_SYMBOL)) if (!janet_checktype(value, JANET_SYMBOL))
janet_panic("expected symbol in symbol map"); janet_panicf("expected symbol in unmarshal, got %v", value);
def->symbolmap[i].symbol = janet_unwrap_symbol(value); def->symbolmap[i].symbol = janet_unwrap_symbol(value);
} }
def->symbolmap_length = (uint32_t) symbolmap_length; def->symbolmap_length = (uint32_t) symbolmap_length;
@ -1176,11 +1178,14 @@ int64_t janet_unmarshal_int64(JanetMarshalContext *ctx) {
void *janet_unmarshal_ptr(JanetMarshalContext *ctx) { void *janet_unmarshal_ptr(JanetMarshalContext *ctx) {
UnmarshalState *st = (UnmarshalState *)(ctx->u_state); UnmarshalState *st = (UnmarshalState *)(ctx->u_state);
#ifdef JANET_32 union {
return (void *) ((intptr_t) readint(st, &(ctx->data))); void *ptr;
#else uint8_t bytes[sizeof(void *)];
return (void *) ((intptr_t) read64(st, &(ctx->data))); } u;
#endif MARSH_EOS(st, ctx->data + sizeof(void *) - 1);
memcpy(u.bytes, ctx->data, sizeof(void *));
ctx->data += sizeof(void *);
return u.ptr;
} }
uint8_t janet_unmarshal_byte(JanetMarshalContext *ctx) { uint8_t janet_unmarshal_byte(JanetMarshalContext *ctx) {