c and c++: rewritten and integrated

This commit is contained in:
frsyuki
2009-02-22 15:14:21 +09:00
parent 761b398083
commit 11abec1093
44 changed files with 1035 additions and 1124 deletions

View File

@@ -20,125 +20,371 @@
#include <stdlib.h>
typedef struct {
msgpack_zone* z;
bool* referenced;
} unpack_user;
#define msgpack_unpack_struct(name) \
struct template ## name
#define msgpack_unpack_func(ret, name) \
ret template_func ## name
ret template ## name
#define msgpack_unpack_callback(name) \
template_callback ## name
#define msgpack_unpack_object void*
#define msgpack_unpack_object msgpack_object
#define msgpack_unpack_user msgpack_unpack_t
#define msgpack_unpack_user unpack_user
struct template_context;
typedef struct template_context template_context;
static void template_func_init(struct template_context* ctx);
static void template_init(template_context* ctx);
static void* template_func_data(struct template_context* ctx);
static msgpack_object template_data(template_context* ctx);
static int template_func_execute(struct template_context* ctx,
static int template_execute(template_context* ctx,
const char* data, size_t len, size_t* off);
static inline void* template_callback_init(msgpack_unpack_t* x)
{ return NULL; }
static inline msgpack_object template_callback_root(unpack_user* u)
{ msgpack_object o; return o; }
static inline void* template_callback_uint8(msgpack_unpack_t* x, uint8_t d)
{ return x->callback.unpack_uint8(x->data, d); }
static inline int template_callback_uint8(unpack_user* u, uint8_t d, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
static inline void* template_callback_uint16(msgpack_unpack_t* x, uint16_t d)
{ return x->callback.unpack_uint16(x->data, d); }
static inline int template_callback_uint16(unpack_user* u, uint16_t d, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
static inline void* template_callback_uint32(msgpack_unpack_t* x, uint32_t d)
{ return x->callback.unpack_uint32(x->data, d); }
static inline int template_callback_uint32(unpack_user* u, uint32_t d, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
static inline void* template_callback_uint64(msgpack_unpack_t* x, uint64_t d)
{ return x->callback.unpack_uint64(x->data, d); }
static inline int template_callback_uint64(unpack_user* u, uint64_t d, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
static inline void* template_callback_int8(msgpack_unpack_t* x, int8_t d)
{ return x->callback.unpack_int8(x->data, d); }
static inline int template_callback_int8(unpack_user* u, int8_t d, msgpack_object* o)
{ if(d >= 0) { o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
else { o->type = MSGPACK_OBJECT_NEGATIVE_INTEGER; o->via.i64 = d; return 0; } }
static inline void* template_callback_int16(msgpack_unpack_t* x, int16_t d)
{ return x->callback.unpack_int16(x->data, d); }
static inline int template_callback_int16(unpack_user* u, int16_t d, msgpack_object* o)
{ if(d >= 0) { o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
else { o->type = MSGPACK_OBJECT_NEGATIVE_INTEGER; o->via.i64 = d; return 0; } }
static inline void* template_callback_int32(msgpack_unpack_t* x, int32_t d)
{ return x->callback.unpack_int32(x->data, d); }
static inline int template_callback_int32(unpack_user* u, int32_t d, msgpack_object* o)
{ if(d >= 0) { o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
else { o->type = MSGPACK_OBJECT_NEGATIVE_INTEGER; o->via.i64 = d; return 0; } }
static inline void* template_callback_int64(msgpack_unpack_t* x, int64_t d)
{ return x->callback.unpack_int64(x->data, d); }
static inline int template_callback_int64(unpack_user* u, int64_t d, msgpack_object* o)
{ if(d >= 0) { o->type = MSGPACK_OBJECT_POSITIVE_INTEGER; o->via.u64 = d; return 0; }
else { o->type = MSGPACK_OBJECT_NEGATIVE_INTEGER; o->via.i64 = d; return 0; } }
static inline void* template_callback_float(msgpack_unpack_t* x, float d)
{ return x->callback.unpack_float(x->data, d); }
static inline int template_callback_float(unpack_user* u, float d, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_DOUBLE; o->via.dec = d; return 0; }
static inline void* template_callback_double(msgpack_unpack_t* x, double d)
{ return x->callback.unpack_double(x->data, d); }
static inline int template_callback_double(unpack_user* u, double d, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_DOUBLE; o->via.dec = d; return 0; }
static inline void* template_callback_nil(msgpack_unpack_t* x)
{ return x->callback.unpack_nil(x->data); }
static inline int template_callback_nil(unpack_user* u, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_NIL; return 0; }
static inline void* template_callback_true(msgpack_unpack_t* x)
{ return x->callback.unpack_true(x->data); }
static inline int template_callback_true(unpack_user* u, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_BOOLEAN; o->via.boolean = true; return 0; }
static inline void* template_callback_false(msgpack_unpack_t* x)
{ return x->callback.unpack_false(x->data); }
static inline int template_callback_false(unpack_user* u, msgpack_object* o)
{ o->type = MSGPACK_OBJECT_BOOLEAN; o->via.boolean = false; return 0; }
static inline void* template_callback_array(msgpack_unpack_t* x, unsigned int n)
{ return x->callback.unpack_array(x->data, n); }
static inline int template_callback_array(unpack_user* u, unsigned int n, msgpack_object* o)
{
o->type = MSGPACK_OBJECT_ARRAY;
o->via.array.size = 0;
o->via.array.ptr = msgpack_zone_malloc(u->z, n*sizeof(msgpack_object));
if(o->via.array.ptr == NULL) { return -1; }
return 0;
}
static inline void template_callback_array_item(msgpack_unpack_t* x, void** c, void* o)
{ x->callback.unpack_array_item(x->data, *c, o); }
static inline int template_callback_array_item(unpack_user* u, msgpack_object* c, msgpack_object o)
{ c->via.array.ptr[c->via.array.size++] = o; return 0; }
static inline void* template_callback_map(msgpack_unpack_t* x, unsigned int n)
{ return x->callback.unpack_map(x->data, n); }
static inline int template_callback_map(unpack_user* u, unsigned int n, msgpack_object* o)
{
o->type = MSGPACK_OBJECT_MAP;
o->via.map.size = 0;
o->via.map.ptr = (msgpack_object_kv*)msgpack_zone_malloc(u->z, n*sizeof(msgpack_object_kv));
if(o->via.map.ptr == NULL) { return -1; }
return 0;
}
static inline void template_callback_map_item(msgpack_unpack_t* x, void** c, void* k, void* v)
{ x->callback.unpack_map_item(x->data, *c, k, v); }
static inline void* template_callback_raw(msgpack_unpack_t* x, const char* b, const char* p, unsigned int l)
{ return x->callback.unpack_raw(x->data, b, p, l); }
static inline int template_callback_map_item(unpack_user* u, msgpack_object* c, msgpack_object k, msgpack_object v)
{
c->via.map.ptr[c->via.map.size].key = k;
c->via.map.ptr[c->via.map.size].val = v;
++c->via.map.size;
return 0;
}
static inline int template_callback_raw(unpack_user* u, const char* b, const char* p, unsigned int l, msgpack_object* o)
{
o->type = MSGPACK_OBJECT_RAW;
o->via.raw.ptr = p;
o->via.raw.size = l;
*u->referenced = true;
return 0;
}
#include "msgpack/unpack_template.h"
msgpack_unpack_t* msgpack_unpack_new(void* data, msgpack_unpack_callback* callback)
#define CTX_CAST(m) ((template_context*)(m))
static const size_t COUNTER_SIZE = sizeof(unsigned int);
static inline void init_count(void* buf)
{
struct template_context* ctx;
ctx = (struct template_context*)calloc(1, sizeof(struct template_context));
if(ctx == NULL) { return NULL; }
template_func_init(ctx);
((msgpack_unpack_t*)ctx)->data = data;
((msgpack_unpack_t*)ctx)->callback = *callback;
return (msgpack_unpack_t*)ctx;
*(volatile unsigned int*)buf = 1;
}
void msgpack_unpack_free(msgpack_unpack_t* ctx)
static inline void decl_count(void* buf)
{
free((struct template_context*)ctx);
//if(--*(unsigned int*)buf == 0) {
if(__sync_sub_and_fetch((unsigned int*)buf, 1) == 0) {
free(buf);
}
}
void* msgpack_unpack_data(msgpack_unpack_t* ctx)
static inline void incr_count(void* buf)
{
return template_func_data((struct template_context*)ctx);
//++*(unsigned int*)buf;
__sync_add_and_fetch((unsigned int*)buf, 1);
}
void msgpack_unpack_reset(msgpack_unpack_t* ctx)
static inline unsigned int get_count(void* buf)
{
msgpack_unpack_t x = ((struct template_context*)ctx)->user;
template_func_init((struct template_context*)ctx);
((struct template_context*)ctx)->user = x;
}
int msgpack_unpack_execute(msgpack_unpack_t* ctx,
const char* data, size_t len, size_t* off)
{
return template_func_execute(
(struct template_context*)ctx,
data, len, off);
return *(volatile unsigned int*)buf;
}
bool msgpack_unpacker_init(msgpack_unpacker* mpac, size_t initial_buffer_size)
{
if(initial_buffer_size < COUNTER_SIZE) {
initial_buffer_size = COUNTER_SIZE;
}
char* buf = (char*)malloc(initial_buffer_size);
if(buf == NULL) {
return false;
}
void* ctx = malloc(sizeof(template_context));
if(ctx == NULL) {
free(buf);
return false;
}
msgpack_zone* z = msgpack_zone_new(MSGPACK_ZONE_CHUNK_SIZE);
if(z == NULL) {
free(ctx);
free(buf);
return false;
}
mpac->buf = buf;
mpac->used = COUNTER_SIZE;
mpac->free = initial_buffer_size - mpac->used;
mpac->off = COUNTER_SIZE;
mpac->initial_buffer_size = initial_buffer_size;
mpac->z = z;
mpac->referenced = false;
mpac->ctx = ctx;
init_count(mpac->buf);
template_init(CTX_CAST(mpac->ctx));
CTX_CAST(mpac->ctx)->user.z = mpac->z;
CTX_CAST(mpac->ctx)->user.referenced = &mpac->referenced;
return true;
}
void msgpack_unpacker_destroy(msgpack_unpacker* mpac)
{
msgpack_zone_free(mpac->z);
free(mpac->ctx);
decl_count(mpac->buf);
}
msgpack_unpacker* msgpack_unpacker_new(size_t initial_buffer_size)
{
msgpack_unpacker* mpac = (msgpack_unpacker*)malloc(sizeof(msgpack_unpacker));
if(mpac == NULL) {
return NULL;
}
if(!msgpack_unpacker_init(mpac, initial_buffer_size)) {
free(mpac);
return NULL;
}
return mpac;
}
void msgpack_unpacker_free(msgpack_unpacker* mpac)
{
msgpack_unpacker_destroy(mpac);
free(mpac);
}
bool msgpack_unpacker_expand_buffer(msgpack_unpacker* mpac, size_t size)
{
if(mpac->used == mpac->off && get_count(mpac->buf) == 1 && !mpac->referenced) {
// rewind buffer
mpac->free += mpac->used - COUNTER_SIZE;
mpac->used = COUNTER_SIZE;
mpac->off = COUNTER_SIZE;
if(mpac->free >= size) {
return true;
}
}
if(mpac->off == COUNTER_SIZE) {
size_t next_size = (mpac->used + mpac->free) * 2; // include COUNTER_SIZE
while(next_size < size + mpac->used) {
next_size *= 2;
}
char* tmp = (char*)realloc(mpac->buf, next_size);
if(tmp == NULL) {
return false;
}
mpac->buf = tmp;
mpac->free = next_size - mpac->used;
} else {
size_t next_size = mpac->initial_buffer_size; // include COUNTER_SIZE
size_t not_parsed = mpac->used - mpac->off;
while(next_size < size + not_parsed + COUNTER_SIZE) {
next_size *= 2;
}
char* tmp = (char*)malloc(next_size);
if(tmp == NULL) {
return false;
}
init_count(tmp);
if(mpac->referenced) {
if(!msgpack_zone_push_finalizer(mpac->z, decl_count, mpac->buf)) {
free(tmp);
return false;
}
mpac->referenced = false;
} else {
decl_count(mpac->buf);
}
memcpy(tmp+COUNTER_SIZE, mpac->buf+mpac->off, not_parsed);
mpac->buf = tmp;
mpac->used = not_parsed + COUNTER_SIZE;
mpac->free = next_size - mpac->used;
mpac->off = COUNTER_SIZE;
}
return true;
}
int msgpack_unpacker_execute(msgpack_unpacker* mpac)
{
return template_execute(CTX_CAST(mpac->ctx),
mpac->buf, mpac->used, &mpac->off);
}
msgpack_object msgpack_unpacker_data(msgpack_unpacker* mpac)
{
return template_data(CTX_CAST(mpac->ctx));
}
msgpack_zone* msgpack_unpacker_release_zone(msgpack_unpacker* mpac)
{
if(!msgpack_unpacker_flush_zone(mpac)) {
return false;
}
msgpack_zone* z = msgpack_zone_new(MSGPACK_ZONE_CHUNK_SIZE);
if(z == NULL) {
return NULL;
}
msgpack_zone* old = mpac->z;
mpac->z = z;
return old;
}
bool msgpack_unpacker_flush_zone(msgpack_unpacker* mpac)
{
if(mpac->referenced) {
if(!msgpack_zone_push_finalizer(mpac->z, decl_count, mpac->buf)) {
return false;
}
mpac->referenced = false;
incr_count(mpac->buf);
}
return true;
}
void msgpack_unpacker_reset(msgpack_unpacker* mpac)
{
msgpack_zone* z = mpac->z;
template_init(CTX_CAST(mpac->ctx));
CTX_CAST(mpac->ctx)->user.z = z;
CTX_CAST(mpac->ctx)->user.referenced = &mpac->referenced;
}
msgpack_unpack_return
msgpack_unpack(const char* data, size_t len, size_t* off,
msgpack_zone* z, msgpack_object* result)
{
template_context ctx;
template_init(&ctx);
bool referenced = false;
ctx.user.z = z;
ctx.user.referenced = &referenced;
size_t noff = 0;
if(off != NULL) { noff = *off; }
int ret = template_execute(&ctx, data, len, &noff);
if(ret < 0) {
return MSGPACK_UNPACK_PARSE_ERROR;
}
if(off != NULL) { *off = noff; }
if(ret == 0) {
return MSGPACK_UNPACK_CONTINUE;
}
*result = template_data(&ctx);
if(noff < len) {
return MSGPACK_UNPACK_EXTRA_BYTES;
}
return MSGPACK_UNPACK_SUCCESS;
}