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#include "upb/def.h"
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#include <ctype.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "google/protobuf/descriptor.upb.h"
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#include "upb/port_def.inc"
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typedef struct {
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size_t len;
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char str[1]; /* Null-terminated string data follows. */
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} str_t;
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static str_t *newstr(upb_alloc *alloc, const char *data, size_t len) {
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str_t *ret = upb_malloc(alloc, sizeof(*ret) + len);
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if (!ret) return NULL;
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ret->len = len;
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if (len) memcpy(ret->str, data, len);
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ret->str[len] = '\0';
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return ret;
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}
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struct upb_fielddef {
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const upb_filedef *file;
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const upb_msgdef *msgdef;
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const char *full_name;
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const char *json_name;
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union {
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int64_t sint;
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uint64_t uint;
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double dbl;
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float flt;
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bool boolean;
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str_t *str;
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} defaultval;
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const upb_oneofdef *oneof;
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union {
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const upb_msgdef *msgdef;
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const upb_enumdef *enumdef;
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const google_protobuf_FieldDescriptorProto *unresolved;
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} sub;
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uint32_t number_;
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uint16_t index_;
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uint16_t layout_index;
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uint32_t selector_base; /* Used to index into a upb::Handlers table. */
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bool is_extension_;
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bool lazy_;
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bool packed_;
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bool proto3_optional_;
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upb_descriptortype_t type_;
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upb_label_t label_;
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};
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struct upb_msgdef {
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const upb_msglayout *layout;
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const upb_filedef *file;
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const char *full_name;
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uint32_t selector_count;
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uint32_t submsg_field_count;
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/* Tables for looking up fields by number and name. */
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upb_inttable itof;
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upb_strtable ntof;
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const upb_fielddef *fields;
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const upb_oneofdef *oneofs;
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int field_count;
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int oneof_count;
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int real_oneof_count;
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/* Is this a map-entry message? */
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bool map_entry;
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upb_wellknowntype_t well_known_type;
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/* TODO(haberman): proper extension ranges (there can be multiple). */
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};
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struct upb_enumdef {
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const upb_filedef *file;
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const char *full_name;
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upb_strtable ntoi;
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upb_inttable iton;
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int32_t defaultval;
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};
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struct upb_oneofdef {
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const upb_msgdef *parent;
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const char *full_name;
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int field_count;
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bool synthetic;
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const upb_fielddef **fields;
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upb_strtable ntof;
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upb_inttable itof;
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};
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struct upb_filedef {
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const char *name;
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const char *package;
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const char *phpprefix;
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const char *phpnamespace;
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upb_syntax_t syntax;
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const upb_filedef **deps;
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const upb_msgdef *msgs;
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const upb_enumdef *enums;
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const upb_fielddef *exts;
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int dep_count;
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int msg_count;
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int enum_count;
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int ext_count;
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};
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struct upb_symtab {
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upb_arena *arena;
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upb_strtable syms; /* full_name -> packed def ptr */
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upb_strtable files; /* file_name -> upb_filedef* */
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};
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/* Inside a symtab we store tagged pointers to specific def types. */
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typedef enum {
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UPB_DEFTYPE_FIELD = 0,
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/* Only inside symtab table. */
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UPB_DEFTYPE_MSG = 1,
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UPB_DEFTYPE_ENUM = 2,
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/* Only inside message table. */
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UPB_DEFTYPE_ONEOF = 1,
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UPB_DEFTYPE_FIELD_JSONNAME = 2
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} upb_deftype_t;
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static const void *unpack_def(upb_value v, upb_deftype_t type) {
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uintptr_t num = (uintptr_t)upb_value_getconstptr(v);
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return (num & 3) == type ? (const void*)(num & ~3) : NULL;
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}
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static upb_value pack_def(const void *ptr, upb_deftype_t type) {
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uintptr_t num = (uintptr_t)ptr | type;
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return upb_value_constptr((const void*)num);
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}
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/* isalpha() etc. from <ctype.h> are locale-dependent, which we don't want. */
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static bool upb_isbetween(char c, char low, char high) {
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return c >= low && c <= high;
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}
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static bool upb_isletter(char c) {
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return upb_isbetween(c, 'A', 'Z') || upb_isbetween(c, 'a', 'z') || c == '_';
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}
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static bool upb_isalphanum(char c) {
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return upb_isletter(c) || upb_isbetween(c, '0', '9');
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}
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static bool upb_isident(upb_strview name, bool full, upb_status *s) {
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const char *str = name.data;
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size_t len = name.size;
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bool start = true;
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size_t i;
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for (i = 0; i < len; i++) {
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char c = str[i];
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if (c == '.') {
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if (start || !full) {
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upb_status_seterrf(s, "invalid name: unexpected '.' (%s)", str);
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return false;
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}
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start = true;
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} else if (start) {
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if (!upb_isletter(c)) {
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upb_status_seterrf(
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s, "invalid name: path components must start with a letter (%s)",
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str);
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return false;
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}
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start = false;
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} else {
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if (!upb_isalphanum(c)) {
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upb_status_seterrf(s, "invalid name: non-alphanumeric character (%s)",
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str);
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return false;
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}
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}
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}
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return !start;
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}
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static const char *shortdefname(const char *fullname) {
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const char *p;
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if (fullname == NULL) {
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return NULL;
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} else if ((p = strrchr(fullname, '.')) == NULL) {
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/* No '.' in the name, return the full string. */
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return fullname;
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} else {
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/* Return one past the last '.'. */
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return p + 1;
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}
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}
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/* All submessage fields are lower than all other fields.
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* Secondly, fields are increasing in order. */
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uint32_t field_rank(const upb_fielddef *f) {
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uint32_t ret = upb_fielddef_number(f);
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const uint32_t high_bit = 1 << 30;
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UPB_ASSERT(ret < high_bit);
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if (!upb_fielddef_issubmsg(f))
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ret |= high_bit;
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return ret;
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}
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int cmp_fields(const void *p1, const void *p2) {
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const upb_fielddef *f1 = *(upb_fielddef*const*)p1;
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const upb_fielddef *f2 = *(upb_fielddef*const*)p2;
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return field_rank(f1) - field_rank(f2);
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}
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/* A few implementation details of handlers. We put these here to avoid
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* a def -> handlers dependency. */
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#define UPB_STATIC_SELECTOR_COUNT 3 /* Warning: also in upb/handlers.h. */
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static uint32_t upb_handlers_selectorbaseoffset(const upb_fielddef *f) {
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return upb_fielddef_isseq(f) ? 2 : 0;
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}
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static uint32_t upb_handlers_selectorcount(const upb_fielddef *f) {
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uint32_t ret = 1;
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if (upb_fielddef_isseq(f)) ret += 2; /* STARTSEQ/ENDSEQ */
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if (upb_fielddef_isstring(f)) ret += 2; /* [STRING]/STARTSTR/ENDSTR */
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if (upb_fielddef_issubmsg(f)) {
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/* ENDSUBMSG (STARTSUBMSG is at table beginning) */
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ret += 0;
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if (upb_fielddef_lazy(f)) {
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/* STARTSTR/ENDSTR/STRING (for lazy) */
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ret += 3;
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}
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}
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return ret;
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}
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static void upb_status_setoom(upb_status *status) {
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upb_status_seterrmsg(status, "out of memory");
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}
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static bool assign_msg_indices(upb_msgdef *m, upb_status *s) {
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/* Sort fields. upb internally relies on UPB_TYPE_MESSAGE fields having the
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* lowest indexes, but we do not publicly guarantee this. */
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upb_msg_field_iter j;
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int i;
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uint32_t selector;
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int n = upb_msgdef_numfields(m);
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upb_fielddef **fields;
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if (n == 0) {
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m->selector_count = UPB_STATIC_SELECTOR_COUNT;
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m->submsg_field_count = 0;
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return true;
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}
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fields = upb_gmalloc(n * sizeof(*fields));
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if (!fields) {
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upb_status_setoom(s);
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return false;
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}
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m->submsg_field_count = 0;
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for(i = 0, upb_msg_field_begin(&j, m);
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!upb_msg_field_done(&j);
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upb_msg_field_next(&j), i++) {
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upb_fielddef *f = upb_msg_iter_field(&j);
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UPB_ASSERT(f->msgdef == m);
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if (upb_fielddef_issubmsg(f)) {
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m->submsg_field_count++;
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}
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fields[i] = f;
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}
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qsort(fields, n, sizeof(*fields), cmp_fields);
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selector = UPB_STATIC_SELECTOR_COUNT + m->submsg_field_count;
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for (i = 0; i < n; i++) {
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upb_fielddef *f = fields[i];
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f->index_ = i;
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f->selector_base = selector + upb_handlers_selectorbaseoffset(f);
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selector += upb_handlers_selectorcount(f);
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}
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m->selector_count = selector;
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upb_gfree(fields);
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return true;
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}
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static void assign_msg_wellknowntype(upb_msgdef *m) {
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const char *name = upb_msgdef_fullname(m);
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if (name == NULL) {
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m->well_known_type = UPB_WELLKNOWN_UNSPECIFIED;
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return;
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}
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if (!strcmp(name, "google.protobuf.Any")) {
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m->well_known_type = UPB_WELLKNOWN_ANY;
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} else if (!strcmp(name, "google.protobuf.FieldMask")) {
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m->well_known_type = UPB_WELLKNOWN_FIELDMASK;
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} else if (!strcmp(name, "google.protobuf.Duration")) {
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m->well_known_type = UPB_WELLKNOWN_DURATION;
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} else if (!strcmp(name, "google.protobuf.Timestamp")) {
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m->well_known_type = UPB_WELLKNOWN_TIMESTAMP;
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} else if (!strcmp(name, "google.protobuf.DoubleValue")) {
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m->well_known_type = UPB_WELLKNOWN_DOUBLEVALUE;
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} else if (!strcmp(name, "google.protobuf.FloatValue")) {
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m->well_known_type = UPB_WELLKNOWN_FLOATVALUE;
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} else if (!strcmp(name, "google.protobuf.Int64Value")) {
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m->well_known_type = UPB_WELLKNOWN_INT64VALUE;
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} else if (!strcmp(name, "google.protobuf.UInt64Value")) {
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m->well_known_type = UPB_WELLKNOWN_UINT64VALUE;
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} else if (!strcmp(name, "google.protobuf.Int32Value")) {
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m->well_known_type = UPB_WELLKNOWN_INT32VALUE;
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} else if (!strcmp(name, "google.protobuf.UInt32Value")) {
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m->well_known_type = UPB_WELLKNOWN_UINT32VALUE;
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} else if (!strcmp(name, "google.protobuf.BoolValue")) {
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m->well_known_type = UPB_WELLKNOWN_BOOLVALUE;
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} else if (!strcmp(name, "google.protobuf.StringValue")) {
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m->well_known_type = UPB_WELLKNOWN_STRINGVALUE;
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} else if (!strcmp(name, "google.protobuf.BytesValue")) {
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m->well_known_type = UPB_WELLKNOWN_BYTESVALUE;
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} else if (!strcmp(name, "google.protobuf.Value")) {
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m->well_known_type = UPB_WELLKNOWN_VALUE;
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} else if (!strcmp(name, "google.protobuf.ListValue")) {
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m->well_known_type = UPB_WELLKNOWN_LISTVALUE;
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} else if (!strcmp(name, "google.protobuf.Struct")) {
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m->well_known_type = UPB_WELLKNOWN_STRUCT;
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} else {
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m->well_known_type = UPB_WELLKNOWN_UNSPECIFIED;
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}
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}
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/* upb_enumdef ****************************************************************/
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const char *upb_enumdef_fullname(const upb_enumdef *e) {
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return e->full_name;
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}
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const char *upb_enumdef_name(const upb_enumdef *e) {
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return shortdefname(e->full_name);
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}
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const upb_filedef *upb_enumdef_file(const upb_enumdef *e) {
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return e->file;
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}
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int32_t upb_enumdef_default(const upb_enumdef *e) {
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UPB_ASSERT(upb_enumdef_iton(e, e->defaultval));
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return e->defaultval;
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}
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int upb_enumdef_numvals(const upb_enumdef *e) {
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|
|
return (int)upb_strtable_count(&e->ntoi);
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_enum_begin(upb_enum_iter *i, const upb_enumdef *e) {
|
|
|
|
/* We iterate over the ntoi table, to account for duplicate numbers. */
|
|
|
|
upb_strtable_begin(i, &e->ntoi);
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_enum_next(upb_enum_iter *iter) { upb_strtable_next(iter); }
|
|
|
|
bool upb_enum_done(upb_enum_iter *iter) { return upb_strtable_done(iter); }
|
|
|
|
|
|
|
|
bool upb_enumdef_ntoi(const upb_enumdef *def, const char *name,
|
|
|
|
size_t len, int32_t *num) {
|
|
|
|
upb_value v;
|
|
|
|
if (!upb_strtable_lookup2(&def->ntoi, name, len, &v)) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
if (num) *num = upb_value_getint32(v);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_enumdef_iton(const upb_enumdef *def, int32_t num) {
|
|
|
|
upb_value v;
|
|
|
|
return upb_inttable_lookup32(&def->iton, num, &v) ?
|
|
|
|
upb_value_getcstr(v) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_enum_iter_name(upb_enum_iter *iter) {
|
|
|
|
return upb_strtable_iter_key(iter).data;
|
|
|
|
}
|
|
|
|
|
|
|
|
int32_t upb_enum_iter_number(upb_enum_iter *iter) {
|
|
|
|
return upb_value_getint32(upb_strtable_iter_value(iter));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* upb_fielddef ***************************************************************/
|
|
|
|
|
|
|
|
const char *upb_fielddef_fullname(const upb_fielddef *f) {
|
|
|
|
return f->full_name;
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_fieldtype_t upb_fielddef_type(const upb_fielddef *f) {
|
|
|
|
switch (f->type_) {
|
|
|
|
case UPB_DESCRIPTOR_TYPE_DOUBLE:
|
|
|
|
return UPB_TYPE_DOUBLE;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_FLOAT:
|
|
|
|
return UPB_TYPE_FLOAT;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_INT64:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_SINT64:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_SFIXED64:
|
|
|
|
return UPB_TYPE_INT64;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_INT32:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_SFIXED32:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_SINT32:
|
|
|
|
return UPB_TYPE_INT32;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_UINT64:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_FIXED64:
|
|
|
|
return UPB_TYPE_UINT64;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_UINT32:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_FIXED32:
|
|
|
|
return UPB_TYPE_UINT32;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_ENUM:
|
|
|
|
return UPB_TYPE_ENUM;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_BOOL:
|
|
|
|
return UPB_TYPE_BOOL;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_STRING:
|
|
|
|
return UPB_TYPE_STRING;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_BYTES:
|
|
|
|
return UPB_TYPE_BYTES;
|
|
|
|
case UPB_DESCRIPTOR_TYPE_GROUP:
|
|
|
|
case UPB_DESCRIPTOR_TYPE_MESSAGE:
|
|
|
|
return UPB_TYPE_MESSAGE;
|
|
|
|
}
|
|
|
|
UPB_UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_descriptortype_t upb_fielddef_descriptortype(const upb_fielddef *f) {
|
|
|
|
return f->type_;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t upb_fielddef_index(const upb_fielddef *f) {
|
|
|
|
return f->index_;
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_label_t upb_fielddef_label(const upb_fielddef *f) {
|
|
|
|
return f->label_;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t upb_fielddef_number(const upb_fielddef *f) {
|
|
|
|
return f->number_;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_isextension(const upb_fielddef *f) {
|
|
|
|
return f->is_extension_;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_lazy(const upb_fielddef *f) {
|
|
|
|
return f->lazy_;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_packed(const upb_fielddef *f) {
|
|
|
|
return f->packed_;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_fielddef_name(const upb_fielddef *f) {
|
|
|
|
return shortdefname(f->full_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_fielddef_jsonname(const upb_fielddef *f) {
|
|
|
|
return f->json_name;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t upb_fielddef_selectorbase(const upb_fielddef *f) {
|
|
|
|
return f->selector_base;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_filedef *upb_fielddef_file(const upb_fielddef *f) {
|
|
|
|
return f->file;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msgdef *upb_fielddef_containingtype(const upb_fielddef *f) {
|
|
|
|
return f->msgdef;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_oneofdef *upb_fielddef_containingoneof(const upb_fielddef *f) {
|
|
|
|
return f->oneof;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_oneofdef *upb_fielddef_realcontainingoneof(const upb_fielddef *f) {
|
|
|
|
if (!f->oneof || upb_oneofdef_issynthetic(f->oneof)) return NULL;
|
|
|
|
return f->oneof;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void chkdefaulttype(const upb_fielddef *f, int ctype) {
|
|
|
|
UPB_UNUSED(f);
|
|
|
|
UPB_UNUSED(ctype);
|
|
|
|
}
|
|
|
|
|
|
|
|
int64_t upb_fielddef_defaultint64(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_INT64);
|
|
|
|
return f->defaultval.sint;
|
|
|
|
}
|
|
|
|
|
|
|
|
int32_t upb_fielddef_defaultint32(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_INT32);
|
|
|
|
return (int32_t)f->defaultval.sint;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint64_t upb_fielddef_defaultuint64(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_UINT64);
|
|
|
|
return f->defaultval.uint;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t upb_fielddef_defaultuint32(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_UINT32);
|
|
|
|
return (uint32_t)f->defaultval.uint;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_defaultbool(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_BOOL);
|
|
|
|
return f->defaultval.boolean;
|
|
|
|
}
|
|
|
|
|
|
|
|
float upb_fielddef_defaultfloat(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_FLOAT);
|
|
|
|
return f->defaultval.flt;
|
|
|
|
}
|
|
|
|
|
|
|
|
double upb_fielddef_defaultdouble(const upb_fielddef *f) {
|
|
|
|
chkdefaulttype(f, UPB_TYPE_DOUBLE);
|
|
|
|
return f->defaultval.dbl;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_fielddef_defaultstr(const upb_fielddef *f, size_t *len) {
|
|
|
|
str_t *str = f->defaultval.str;
|
|
|
|
UPB_ASSERT(upb_fielddef_type(f) == UPB_TYPE_STRING ||
|
|
|
|
upb_fielddef_type(f) == UPB_TYPE_BYTES ||
|
|
|
|
upb_fielddef_type(f) == UPB_TYPE_ENUM);
|
|
|
|
if (str) {
|
|
|
|
if (len) *len = str->len;
|
|
|
|
return str->str;
|
|
|
|
} else {
|
|
|
|
if (len) *len = 0;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msgdef *upb_fielddef_msgsubdef(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_type(f) == UPB_TYPE_MESSAGE ? f->sub.msgdef : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_enumdef *upb_fielddef_enumsubdef(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_type(f) == UPB_TYPE_ENUM ? f->sub.enumdef : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msglayout_field *upb_fielddef_layout(const upb_fielddef *f) {
|
|
|
|
return &f->msgdef->layout->fields[f->layout_index];
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_issubmsg(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_type(f) == UPB_TYPE_MESSAGE;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_isstring(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_type(f) == UPB_TYPE_STRING ||
|
|
|
|
upb_fielddef_type(f) == UPB_TYPE_BYTES;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_isseq(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_label(f) == UPB_LABEL_REPEATED;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_isprimitive(const upb_fielddef *f) {
|
|
|
|
return !upb_fielddef_isstring(f) && !upb_fielddef_issubmsg(f);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_ismap(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_isseq(f) && upb_fielddef_issubmsg(f) &&
|
|
|
|
upb_msgdef_mapentry(upb_fielddef_msgsubdef(f));
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_hassubdef(const upb_fielddef *f) {
|
|
|
|
return upb_fielddef_issubmsg(f) || upb_fielddef_type(f) == UPB_TYPE_ENUM;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_haspresence(const upb_fielddef *f) {
|
|
|
|
if (upb_fielddef_isseq(f)) return false;
|
|
|
|
return upb_fielddef_issubmsg(f) || upb_fielddef_containingoneof(f) ||
|
|
|
|
f->file->syntax == UPB_SYNTAX_PROTO2;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool between(int32_t x, int32_t low, int32_t high) {
|
|
|
|
return x >= low && x <= high;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_fielddef_checklabel(int32_t label) { return between(label, 1, 3); }
|
|
|
|
bool upb_fielddef_checktype(int32_t type) { return between(type, 1, 11); }
|
|
|
|
bool upb_fielddef_checkintfmt(int32_t fmt) { return between(fmt, 1, 3); }
|
|
|
|
|
|
|
|
bool upb_fielddef_checkdescriptortype(int32_t type) {
|
|
|
|
return between(type, 1, 18);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* upb_msgdef *****************************************************************/
|
|
|
|
|
|
|
|
const char *upb_msgdef_fullname(const upb_msgdef *m) {
|
|
|
|
return m->full_name;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_filedef *upb_msgdef_file(const upb_msgdef *m) {
|
|
|
|
return m->file;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_msgdef_name(const upb_msgdef *m) {
|
|
|
|
return shortdefname(m->full_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_syntax_t upb_msgdef_syntax(const upb_msgdef *m) {
|
|
|
|
return m->file->syntax;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t upb_msgdef_selectorcount(const upb_msgdef *m) {
|
|
|
|
return m->selector_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t upb_msgdef_submsgfieldcount(const upb_msgdef *m) {
|
|
|
|
return m->submsg_field_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_msgdef_itof(const upb_msgdef *m, uint32_t i) {
|
|
|
|
upb_value val;
|
|
|
|
return upb_inttable_lookup32(&m->itof, i, &val) ?
|
|
|
|
upb_value_getconstptr(val) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_msgdef_ntof(const upb_msgdef *m, const char *name,
|
|
|
|
size_t len) {
|
|
|
|
upb_value val;
|
|
|
|
|
|
|
|
if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return unpack_def(val, UPB_DEFTYPE_FIELD);
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_oneofdef *upb_msgdef_ntoo(const upb_msgdef *m, const char *name,
|
|
|
|
size_t len) {
|
|
|
|
upb_value val;
|
|
|
|
|
|
|
|
if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return unpack_def(val, UPB_DEFTYPE_ONEOF);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msgdef_lookupname(const upb_msgdef *m, const char *name, size_t len,
|
|
|
|
const upb_fielddef **f, const upb_oneofdef **o) {
|
|
|
|
upb_value val;
|
|
|
|
|
|
|
|
if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
*o = unpack_def(val, UPB_DEFTYPE_ONEOF);
|
|
|
|
*f = unpack_def(val, UPB_DEFTYPE_FIELD);
|
|
|
|
return *o || *f; /* False if this was a JSON name. */
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_msgdef_lookupjsonname(const upb_msgdef *m,
|
|
|
|
const char *name, size_t len) {
|
|
|
|
upb_value val;
|
|
|
|
const upb_fielddef* f;
|
|
|
|
|
|
|
|
if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
f = unpack_def(val, UPB_DEFTYPE_FIELD);
|
|
|
|
if (!f) f = unpack_def(val, UPB_DEFTYPE_FIELD_JSONNAME);
|
|
|
|
|
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_msgdef_numfields(const upb_msgdef *m) {
|
|
|
|
return m->field_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_msgdef_numoneofs(const upb_msgdef *m) {
|
|
|
|
return m->oneof_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_msgdef_numrealoneofs(const upb_msgdef *m) {
|
|
|
|
return m->real_oneof_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_msgdef_fieldcount(const upb_msgdef *m) {
|
|
|
|
return m->field_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_msgdef_oneofcount(const upb_msgdef *m) {
|
|
|
|
return m->oneof_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_msgdef_realoneofcount(const upb_msgdef *m) {
|
|
|
|
return m->real_oneof_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msglayout *upb_msgdef_layout(const upb_msgdef *m) {
|
|
|
|
return m->layout;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_msgdef_field(const upb_msgdef *m, int i) {
|
|
|
|
UPB_ASSERT(i >= 0 && i < m->field_count);
|
|
|
|
return &m->fields[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_oneofdef *upb_msgdef_oneof(const upb_msgdef *m, int i) {
|
|
|
|
UPB_ASSERT(i >= 0 && i < m->oneof_count);
|
|
|
|
return &m->oneofs[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msgdef_mapentry(const upb_msgdef *m) {
|
|
|
|
return m->map_entry;
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_wellknowntype_t upb_msgdef_wellknowntype(const upb_msgdef *m) {
|
|
|
|
return m->well_known_type;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msgdef_isnumberwrapper(const upb_msgdef *m) {
|
|
|
|
upb_wellknowntype_t type = upb_msgdef_wellknowntype(m);
|
|
|
|
return type >= UPB_WELLKNOWN_DOUBLEVALUE &&
|
|
|
|
type <= UPB_WELLKNOWN_UINT32VALUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msgdef_iswrapper(const upb_msgdef *m) {
|
|
|
|
upb_wellknowntype_t type = upb_msgdef_wellknowntype(m);
|
|
|
|
return type >= UPB_WELLKNOWN_DOUBLEVALUE &&
|
|
|
|
type <= UPB_WELLKNOWN_BOOLVALUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_msg_field_begin(upb_msg_field_iter *iter, const upb_msgdef *m) {
|
|
|
|
upb_inttable_begin(iter, &m->itof);
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_msg_field_next(upb_msg_field_iter *iter) { upb_inttable_next(iter); }
|
|
|
|
|
|
|
|
bool upb_msg_field_done(const upb_msg_field_iter *iter) {
|
|
|
|
return upb_inttable_done(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_fielddef *upb_msg_iter_field(const upb_msg_field_iter *iter) {
|
|
|
|
return (upb_fielddef *)upb_value_getconstptr(upb_inttable_iter_value(iter));
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_msg_field_iter_setdone(upb_msg_field_iter *iter) {
|
|
|
|
upb_inttable_iter_setdone(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msg_field_iter_isequal(const upb_msg_field_iter * iter1,
|
|
|
|
const upb_msg_field_iter * iter2) {
|
|
|
|
return upb_inttable_iter_isequal(iter1, iter2);
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_msg_oneof_begin(upb_msg_oneof_iter *iter, const upb_msgdef *m) {
|
|
|
|
upb_strtable_begin(iter, &m->ntof);
|
|
|
|
/* We need to skip past any initial fields. */
|
|
|
|
while (!upb_strtable_done(iter) &&
|
|
|
|
!unpack_def(upb_strtable_iter_value(iter), UPB_DEFTYPE_ONEOF)) {
|
|
|
|
upb_strtable_next(iter);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_msg_oneof_next(upb_msg_oneof_iter *iter) {
|
|
|
|
/* We need to skip past fields to return only oneofs. */
|
|
|
|
do {
|
|
|
|
upb_strtable_next(iter);
|
|
|
|
} while (!upb_strtable_done(iter) &&
|
|
|
|
!unpack_def(upb_strtable_iter_value(iter), UPB_DEFTYPE_ONEOF));
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msg_oneof_done(const upb_msg_oneof_iter *iter) {
|
|
|
|
return upb_strtable_done(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_oneofdef *upb_msg_iter_oneof(const upb_msg_oneof_iter *iter) {
|
|
|
|
return unpack_def(upb_strtable_iter_value(iter), UPB_DEFTYPE_ONEOF);
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_msg_oneof_iter_setdone(upb_msg_oneof_iter *iter) {
|
|
|
|
upb_strtable_iter_setdone(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_msg_oneof_iter_isequal(const upb_msg_oneof_iter *iter1,
|
|
|
|
const upb_msg_oneof_iter *iter2) {
|
|
|
|
return upb_strtable_iter_isequal(iter1, iter2);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* upb_oneofdef ***************************************************************/
|
|
|
|
|
|
|
|
const char *upb_oneofdef_name(const upb_oneofdef *o) {
|
|
|
|
return shortdefname(o->full_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msgdef *upb_oneofdef_containingtype(const upb_oneofdef *o) {
|
|
|
|
return o->parent;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_oneofdef_fieldcount(const upb_oneofdef *o) {
|
|
|
|
return o->field_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_oneofdef_field(const upb_oneofdef *o, int i) {
|
|
|
|
UPB_ASSERT(i < o->field_count);
|
|
|
|
return o->fields[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_oneofdef_numfields(const upb_oneofdef *o) {
|
|
|
|
return o->field_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t upb_oneofdef_index(const upb_oneofdef *o) {
|
|
|
|
return o - o->parent->oneofs;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_oneofdef_issynthetic(const upb_oneofdef *o) {
|
|
|
|
return o->synthetic;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_oneofdef_ntof(const upb_oneofdef *o,
|
|
|
|
const char *name, size_t length) {
|
|
|
|
upb_value val;
|
|
|
|
return upb_strtable_lookup2(&o->ntof, name, length, &val) ?
|
|
|
|
upb_value_getptr(val) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_fielddef *upb_oneofdef_itof(const upb_oneofdef *o, uint32_t num) {
|
|
|
|
upb_value val;
|
|
|
|
return upb_inttable_lookup32(&o->itof, num, &val) ?
|
|
|
|
upb_value_getptr(val) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_oneof_begin(upb_oneof_iter *iter, const upb_oneofdef *o) {
|
|
|
|
upb_inttable_begin(iter, &o->itof);
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_oneof_next(upb_oneof_iter *iter) {
|
|
|
|
upb_inttable_next(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool upb_oneof_done(upb_oneof_iter *iter) {
|
|
|
|
return upb_inttable_done(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_fielddef *upb_oneof_iter_field(const upb_oneof_iter *iter) {
|
|
|
|
return (upb_fielddef *)upb_value_getconstptr(upb_inttable_iter_value(iter));
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_oneof_iter_setdone(upb_oneof_iter *iter) {
|
|
|
|
upb_inttable_iter_setdone(iter);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Dynamic Layout Generation. *************************************************/
|
|
|
|
|
|
|
|
static size_t div_round_up(size_t n, size_t d) {
|
|
|
|
return (n + d - 1) / d;
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t upb_msgval_sizeof(upb_fieldtype_t type) {
|
|
|
|
switch (type) {
|
|
|
|
case UPB_TYPE_DOUBLE:
|
|
|
|
case UPB_TYPE_INT64:
|
|
|
|
case UPB_TYPE_UINT64:
|
|
|
|
return 8;
|
|
|
|
case UPB_TYPE_ENUM:
|
|
|
|
case UPB_TYPE_INT32:
|
|
|
|
case UPB_TYPE_UINT32:
|
|
|
|
case UPB_TYPE_FLOAT:
|
|
|
|
return 4;
|
|
|
|
case UPB_TYPE_BOOL:
|
|
|
|
return 1;
|
|
|
|
case UPB_TYPE_MESSAGE:
|
|
|
|
return sizeof(void*);
|
|
|
|
case UPB_TYPE_BYTES:
|
|
|
|
case UPB_TYPE_STRING:
|
|
|
|
return sizeof(upb_strview);
|
|
|
|
}
|
|
|
|
UPB_UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint8_t upb_msg_fielddefsize(const upb_fielddef *f) {
|
|
|
|
if (upb_msgdef_mapentry(upb_fielddef_containingtype(f))) {
|
|
|
|
upb_map_entry ent;
|
|
|
|
UPB_ASSERT(sizeof(ent.k) == sizeof(ent.v));
|
|
|
|
return sizeof(ent.k);
|
|
|
|
} else if (upb_fielddef_isseq(f)) {
|
|
|
|
return sizeof(void*);
|
|
|
|
} else {
|
|
|
|
return upb_msgval_sizeof(upb_fielddef_type(f));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint32_t upb_msglayout_place(upb_msglayout *l, size_t size) {
|
|
|
|
uint32_t ret;
|
|
|
|
|
|
|
|
l->size = UPB_ALIGN_UP(l->size, size);
|
|
|
|
ret = l->size;
|
|
|
|
l->size += size;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int field_number_cmp(const void *p1, const void *p2) {
|
|
|
|
const upb_msglayout_field *f1 = p1;
|
|
|
|
const upb_msglayout_field *f2 = p2;
|
|
|
|
return f1->number - f2->number;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void assign_layout_indices(const upb_msgdef *m, upb_msglayout_field *fields) {
|
|
|
|
int i;
|
|
|
|
int n = upb_msgdef_numfields(m);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
upb_fielddef *f = (upb_fielddef*)upb_msgdef_itof(m, fields[i].number);
|
|
|
|
UPB_ASSERT(f);
|
|
|
|
f->layout_index = i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* This function is the dynamic equivalent of message_layout.{cc,h} in upbc.
|
|
|
|
* It computes a dynamic layout for all of the fields in |m|. */
|
|
|
|
static bool make_layout(const upb_symtab *symtab, const upb_msgdef *m) {
|
|
|
|
upb_msglayout *l = (upb_msglayout*)m->layout;
|
|
|
|
upb_msg_field_iter it;
|
|
|
|
upb_msg_oneof_iter oit;
|
|
|
|
size_t hasbit;
|
|
|
|
size_t submsg_count = m->submsg_field_count;
|
|
|
|
const upb_msglayout **submsgs;
|
|
|
|
upb_msglayout_field *fields;
|
|
|
|
upb_alloc *alloc = upb_arena_alloc(symtab->arena);
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
memset(l, 0, sizeof(*l));
|
|
|
|
|
|
|
|
fields = upb_malloc(alloc, upb_msgdef_numfields(m) * sizeof(*fields));
|
|
|
|
submsgs = upb_malloc(alloc, submsg_count * sizeof(*submsgs));
|
|
|
|
|
|
|
|
if ((!fields && upb_msgdef_numfields(m)) ||
|
|
|
|
(!submsgs && submsg_count)) {
|
|
|
|
/* OOM. */
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
l->field_count = upb_msgdef_numfields(m);
|
|
|
|
l->fields = fields;
|
|
|
|
l->submsgs = submsgs;
|
|
|
|
|
|
|
|
/* TODO(haberman): initialize fast tables so that reflection-based parsing
|
|
|
|
* can get the same speeds as linked-in types. */
|
|
|
|
for (i = 0; i < 32; i++) {
|
|
|
|
l->fasttable[i].field_parser = &fastdecode_generic;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_msgdef_mapentry(m)) {
|
|
|
|
/* TODO(haberman): refactor this method so this special case is more
|
|
|
|
* elegant. */
|
|
|
|
const upb_fielddef *key = upb_msgdef_itof(m, 1);
|
|
|
|
const upb_fielddef *val = upb_msgdef_itof(m, 2);
|
|
|
|
fields[0].number = 1;
|
|
|
|
fields[1].number = 2;
|
|
|
|
fields[0].label = UPB_LABEL_OPTIONAL;
|
|
|
|
fields[1].label = UPB_LABEL_OPTIONAL;
|
|
|
|
fields[0].presence = 0;
|
|
|
|
fields[1].presence = 0;
|
|
|
|
fields[0].descriptortype = upb_fielddef_descriptortype(key);
|
|
|
|
fields[1].descriptortype = upb_fielddef_descriptortype(val);
|
|
|
|
fields[0].offset = 0;
|
|
|
|
fields[1].offset = sizeof(upb_strview);
|
|
|
|
fields[1].submsg_index = 0;
|
|
|
|
|
|
|
|
if (upb_fielddef_type(val) == UPB_TYPE_MESSAGE) {
|
|
|
|
submsgs[0] = upb_fielddef_msgsubdef(val)->layout;
|
|
|
|
}
|
|
|
|
|
|
|
|
l->field_count = 2;
|
|
|
|
l->size = 2 * sizeof(upb_strview);
|
|
|
|
l->size = UPB_ALIGN_UP(l->size, 8);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate data offsets in three stages:
|
|
|
|
*
|
|
|
|
* 1. hasbits.
|
|
|
|
* 2. regular fields.
|
|
|
|
* 3. oneof fields.
|
|
|
|
*
|
|
|
|
* OPT: There is a lot of room for optimization here to minimize the size.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Allocate hasbits and set basic field attributes. */
|
|
|
|
submsg_count = 0;
|
|
|
|
for (upb_msg_field_begin(&it, m), hasbit = 0;
|
|
|
|
!upb_msg_field_done(&it);
|
|
|
|
upb_msg_field_next(&it)) {
|
|
|
|
upb_fielddef* f = upb_msg_iter_field(&it);
|
|
|
|
upb_msglayout_field *field = &fields[upb_fielddef_index(f)];
|
|
|
|
|
|
|
|
field->number = upb_fielddef_number(f);
|
|
|
|
field->descriptortype = upb_fielddef_descriptortype(f);
|
|
|
|
field->label = upb_fielddef_label(f);
|
|
|
|
|
|
|
|
if (field->descriptortype == UPB_DTYPE_STRING &&
|
|
|
|
f->file->syntax == UPB_SYNTAX_PROTO2) {
|
|
|
|
/* See TableDescriptorType() in upbc/generator.cc for details and
|
|
|
|
* rationale. */
|
|
|
|
field->descriptortype = UPB_DTYPE_BYTES;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_fielddef_ismap(f)) {
|
|
|
|
field->label = _UPB_LABEL_MAP;
|
|
|
|
} else if (upb_fielddef_packed(f)) {
|
|
|
|
field->label = _UPB_LABEL_PACKED;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_fielddef_issubmsg(f)) {
|
|
|
|
const upb_msgdef *subm = upb_fielddef_msgsubdef(f);
|
|
|
|
field->submsg_index = submsg_count++;
|
|
|
|
submsgs[field->submsg_index] = subm->layout;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_fielddef_haspresence(f) && !upb_fielddef_realcontainingoneof(f)) {
|
|
|
|
/* We don't use hasbit 0, so that 0 can indicate "no presence" in the
|
|
|
|
* table. This wastes one hasbit, but we don't worry about it for now. */
|
|
|
|
field->presence = ++hasbit;
|
|
|
|
} else {
|
|
|
|
field->presence = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Account for space used by hasbits. */
|
|
|
|
l->size = div_round_up(hasbit, 8);
|
|
|
|
|
|
|
|
/* Allocate non-oneof fields. */
|
|
|
|
for (upb_msg_field_begin(&it, m); !upb_msg_field_done(&it);
|
|
|
|
upb_msg_field_next(&it)) {
|
|
|
|
const upb_fielddef* f = upb_msg_iter_field(&it);
|
|
|
|
size_t field_size = upb_msg_fielddefsize(f);
|
|
|
|
size_t index = upb_fielddef_index(f);
|
|
|
|
|
|
|
|
if (upb_fielddef_realcontainingoneof(f)) {
|
|
|
|
/* Oneofs are handled separately below. */
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
fields[index].offset = upb_msglayout_place(l, field_size);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate oneof fields. Each oneof field consists of a uint32 for the case
|
|
|
|
* and space for the actual data. */
|
|
|
|
for (upb_msg_oneof_begin(&oit, m); !upb_msg_oneof_done(&oit);
|
|
|
|
upb_msg_oneof_next(&oit)) {
|
|
|
|
const upb_oneofdef* o = upb_msg_iter_oneof(&oit);
|
|
|
|
upb_oneof_iter fit;
|
|
|
|
|
|
|
|
size_t case_size = sizeof(uint32_t); /* Could potentially optimize this. */
|
|
|
|
size_t field_size = 0;
|
|
|
|
uint32_t case_offset;
|
|
|
|
uint32_t data_offset;
|
|
|
|
|
|
|
|
if (upb_oneofdef_issynthetic(o)) continue;
|
|
|
|
|
|
|
|
/* Calculate field size: the max of all field sizes. */
|
|
|
|
for (upb_oneof_begin(&fit, o);
|
|
|
|
!upb_oneof_done(&fit);
|
|
|
|
upb_oneof_next(&fit)) {
|
|
|
|
const upb_fielddef* f = upb_oneof_iter_field(&fit);
|
|
|
|
field_size = UPB_MAX(field_size, upb_msg_fielddefsize(f));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Align and allocate case offset. */
|
|
|
|
case_offset = upb_msglayout_place(l, case_size);
|
|
|
|
data_offset = upb_msglayout_place(l, field_size);
|
|
|
|
|
|
|
|
for (upb_oneof_begin(&fit, o);
|
|
|
|
!upb_oneof_done(&fit);
|
|
|
|
upb_oneof_next(&fit)) {
|
|
|
|
const upb_fielddef* f = upb_oneof_iter_field(&fit);
|
|
|
|
fields[upb_fielddef_index(f)].offset = data_offset;
|
|
|
|
fields[upb_fielddef_index(f)].presence = ~case_offset;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Size of the entire structure should be a multiple of its greatest
|
|
|
|
* alignment. TODO: track overall alignment for real? */
|
|
|
|
l->size = UPB_ALIGN_UP(l->size, 8);
|
|
|
|
|
|
|
|
/* Sort fields by number. */
|
|
|
|
qsort(fields, upb_msgdef_numfields(m), sizeof(*fields), field_number_cmp);
|
|
|
|
assign_layout_indices(m, fields);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Code to build defs from descriptor protos. *********************************/
|
|
|
|
|
|
|
|
/* There is a question of how much validation to do here. It will be difficult
|
|
|
|
* to perfectly match the amount of validation performed by proto2. But since
|
|
|
|
* this code is used to directly build defs from Ruby (for example) we do need
|
|
|
|
* to validate important constraints like uniqueness of names and numbers. */
|
|
|
|
|
|
|
|
#define CHK(x) if (!(x)) { return false; }
|
|
|
|
#define CHK_OOM(x) if (!(x)) { upb_status_setoom(ctx->status); return false; }
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
const upb_symtab *symtab;
|
|
|
|
upb_filedef *file; /* File we are building. */
|
|
|
|
upb_alloc *alloc; /* Allocate defs here. */
|
|
|
|
upb_alloc *tmp; /* Alloc for addtab and any other tmp data. */
|
|
|
|
upb_strtable *addtab; /* full_name -> packed def ptr for new defs */
|
|
|
|
const upb_msglayout **layouts; /* NULL if we should build layouts. */
|
|
|
|
upb_status *status; /* Record errors here. */
|
|
|
|
} symtab_addctx;
|
|
|
|
|
|
|
|
static char* strviewdup(const symtab_addctx *ctx, upb_strview view) {
|
|
|
|
return upb_strdup2(view.data, view.size, ctx->alloc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool streql2(const char *a, size_t n, const char *b) {
|
|
|
|
return n == strlen(b) && memcmp(a, b, n) == 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool streql_view(upb_strview view, const char *b) {
|
|
|
|
return streql2(view.data, view.size, b);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const char *makefullname(const symtab_addctx *ctx, const char *prefix,
|
|
|
|
upb_strview name) {
|
|
|
|
if (prefix) {
|
|
|
|
/* ret = prefix + '.' + name; */
|
|
|
|
size_t n = strlen(prefix);
|
|
|
|
char *ret = upb_malloc(ctx->alloc, n + name.size + 2);
|
|
|
|
CHK_OOM(ret);
|
|
|
|
strcpy(ret, prefix);
|
|
|
|
ret[n] = '.';
|
|
|
|
memcpy(&ret[n + 1], name.data, name.size);
|
|
|
|
ret[n + 1 + name.size] = '\0';
|
|
|
|
return ret;
|
|
|
|
} else {
|
|
|
|
return strviewdup(ctx, name);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool finalize_oneofs(symtab_addctx *ctx, upb_msgdef *m) {
|
|
|
|
int i;
|
|
|
|
int synthetic_count = 0;
|
|
|
|
upb_oneofdef *mutable_oneofs = (upb_oneofdef*)m->oneofs;
|
|
|
|
|
|
|
|
for (i = 0; i < m->oneof_count; i++) {
|
|
|
|
upb_oneofdef *o = &mutable_oneofs[i];
|
|
|
|
|
|
|
|
if (o->synthetic && o->field_count != 1) {
|
|
|
|
upb_status_seterrf(
|
|
|
|
ctx->status, "Synthetic oneofs must have one field, not %d: %s",
|
|
|
|
o->field_count, upb_oneofdef_name(o));
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (o->synthetic) {
|
|
|
|
synthetic_count++;
|
|
|
|
} else if (synthetic_count != 0) {
|
|
|
|
upb_status_seterrf(
|
|
|
|
ctx->status, "Synthetic oneofs must be after all other oneofs: %s",
|
|
|
|
upb_oneofdef_name(o));
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
o->fields = upb_malloc(ctx->alloc, sizeof(upb_fielddef*) * o->field_count);
|
|
|
|
o->field_count = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < m->field_count; i++) {
|
|
|
|
const upb_fielddef *f = &m->fields[i];
|
|
|
|
upb_oneofdef *o = (upb_oneofdef*)f->oneof;
|
|
|
|
if (o) {
|
|
|
|
o->fields[o->field_count++] = f;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
m->real_oneof_count = m->oneof_count - synthetic_count;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t getjsonname(const char *name, char *buf, size_t len) {
|
|
|
|
size_t src, dst = 0;
|
|
|
|
bool ucase_next = false;
|
|
|
|
|
|
|
|
#define WRITE(byte) \
|
|
|
|
++dst; \
|
|
|
|
if (dst < len) buf[dst - 1] = byte; \
|
|
|
|
else if (dst == len) buf[dst - 1] = '\0'
|
|
|
|
|
|
|
|
if (!name) {
|
|
|
|
WRITE('\0');
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Implement the transformation as described in the spec:
|
|
|
|
* 1. upper case all letters after an underscore.
|
|
|
|
* 2. remove all underscores.
|
|
|
|
*/
|
|
|
|
for (src = 0; name[src]; src++) {
|
|
|
|
if (name[src] == '_') {
|
|
|
|
ucase_next = true;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ucase_next) {
|
|
|
|
WRITE(toupper(name[src]));
|
|
|
|
ucase_next = false;
|
|
|
|
} else {
|
|
|
|
WRITE(name[src]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
WRITE('\0');
|
|
|
|
return dst;
|
|
|
|
|
|
|
|
#undef WRITE
|
|
|
|
}
|
|
|
|
|
|
|
|
static char* makejsonname(const char* name, upb_alloc *alloc) {
|
|
|
|
size_t size = getjsonname(name, NULL, 0);
|
|
|
|
char* json_name = upb_malloc(alloc, size);
|
|
|
|
getjsonname(name, json_name, size);
|
|
|
|
return json_name;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool symtab_add(const symtab_addctx *ctx, const char *name,
|
|
|
|
upb_value v) {
|
|
|
|
upb_value tmp;
|
|
|
|
if (upb_strtable_lookup(ctx->addtab, name, &tmp) ||
|
|
|
|
upb_strtable_lookup(&ctx->symtab->syms, name, &tmp)) {
|
|
|
|
upb_status_seterrf(ctx->status, "duplicate symbol '%s'", name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
CHK_OOM(upb_strtable_insert3(ctx->addtab, name, strlen(name), v, ctx->tmp));
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Given a symbol and the base symbol inside which it is defined, find the
|
|
|
|
* symbol's definition in t. */
|
|
|
|
static bool resolvename(const upb_strtable *t, const upb_fielddef *f,
|
|
|
|
const char *base, upb_strview sym,
|
|
|
|
upb_deftype_t type, upb_status *status,
|
|
|
|
const void **def) {
|
|
|
|
if(sym.size == 0) return false;
|
|
|
|
if(sym.data[0] == '.') {
|
|
|
|
/* Symbols starting with '.' are absolute, so we do a single lookup.
|
|
|
|
* Slice to omit the leading '.' */
|
|
|
|
upb_value v;
|
|
|
|
if (!upb_strtable_lookup2(t, sym.data + 1, sym.size - 1, &v)) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
*def = unpack_def(v, type);
|
|
|
|
|
|
|
|
if (!*def) {
|
|
|
|
upb_status_seterrf(status,
|
|
|
|
"type mismatch when resolving field %s, name %s",
|
|
|
|
f->full_name, sym.data);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
} else {
|
|
|
|
/* Remove components from base until we find an entry or run out.
|
|
|
|
* TODO: This branch is totally broken, but currently not used. */
|
|
|
|
(void)base;
|
|
|
|
UPB_ASSERT(false);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
const void *symtab_resolve(const symtab_addctx *ctx, const upb_fielddef *f,
|
|
|
|
const char *base, upb_strview sym,
|
|
|
|
upb_deftype_t type) {
|
|
|
|
const void *ret;
|
|
|
|
if (!resolvename(ctx->addtab, f, base, sym, type, ctx->status, &ret) &&
|
|
|
|
!resolvename(&ctx->symtab->syms, f, base, sym, type, ctx->status, &ret)) {
|
|
|
|
if (upb_ok(ctx->status)) {
|
|
|
|
upb_status_seterrf(ctx->status, "couldn't resolve name '%s'", sym.data);
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool create_oneofdef(
|
|
|
|
const symtab_addctx *ctx, upb_msgdef *m,
|
|
|
|
const google_protobuf_OneofDescriptorProto *oneof_proto) {
|
|
|
|
upb_oneofdef *o;
|
|
|
|
upb_strview name = google_protobuf_OneofDescriptorProto_name(oneof_proto);
|
|
|
|
upb_value v;
|
|
|
|
|
|
|
|
o = (upb_oneofdef*)&m->oneofs[m->oneof_count++];
|
|
|
|
o->parent = m;
|
|
|
|
o->full_name = makefullname(ctx, m->full_name, name);
|
|
|
|
o->field_count = 0;
|
|
|
|
o->synthetic = false;
|
|
|
|
|
|
|
|
v = pack_def(o, UPB_DEFTYPE_ONEOF);
|
|
|
|
CHK_OOM(symtab_add(ctx, o->full_name, v));
|
|
|
|
CHK_OOM(upb_strtable_insert3(&m->ntof, name.data, name.size, v, ctx->alloc));
|
|
|
|
|
|
|
|
CHK_OOM(upb_inttable_init2(&o->itof, UPB_CTYPE_CONSTPTR, ctx->alloc));
|
|
|
|
CHK_OOM(upb_strtable_init2(&o->ntof, UPB_CTYPE_CONSTPTR, ctx->alloc));
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool parse_default(const symtab_addctx *ctx, const char *str, size_t len,
|
|
|
|
upb_fielddef *f) {
|
|
|
|
char *end;
|
|
|
|
char nullz[64];
|
|
|
|
errno = 0;
|
|
|
|
|
|
|
|
switch (upb_fielddef_type(f)) {
|
|
|
|
case UPB_TYPE_INT32:
|
|
|
|
case UPB_TYPE_INT64:
|
|
|
|
case UPB_TYPE_UINT32:
|
|
|
|
case UPB_TYPE_UINT64:
|
|
|
|
case UPB_TYPE_DOUBLE:
|
|
|
|
case UPB_TYPE_FLOAT:
|
|
|
|
/* Standard C number parsing functions expect null-terminated strings. */
|
|
|
|
if (len >= sizeof(nullz) - 1) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
memcpy(nullz, str, len);
|
|
|
|
nullz[len] = '\0';
|
|
|
|
str = nullz;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (upb_fielddef_type(f)) {
|
|
|
|
case UPB_TYPE_INT32: {
|
|
|
|
long val = strtol(str, &end, 0);
|
|
|
|
CHK(val <= INT32_MAX && val >= INT32_MIN && errno != ERANGE && !*end);
|
|
|
|
f->defaultval.sint = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_ENUM: {
|
|
|
|
const upb_enumdef *e = f->sub.enumdef;
|
|
|
|
int32_t val;
|
|
|
|
CHK(upb_enumdef_ntoi(e, str, len, &val));
|
|
|
|
f->defaultval.sint = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_INT64: {
|
|
|
|
/* XXX: Need to write our own strtoll, since it's not available in c89. */
|
|
|
|
int64_t val = strtol(str, &end, 0);
|
|
|
|
CHK(val <= INT64_MAX && val >= INT64_MIN && errno != ERANGE && !*end);
|
|
|
|
f->defaultval.sint = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_UINT32: {
|
|
|
|
unsigned long val = strtoul(str, &end, 0);
|
|
|
|
CHK(val <= UINT32_MAX && errno != ERANGE && !*end);
|
|
|
|
f->defaultval.uint = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_UINT64: {
|
|
|
|
/* XXX: Need to write our own strtoull, since it's not available in c89. */
|
|
|
|
uint64_t val = strtoul(str, &end, 0);
|
|
|
|
CHK(val <= UINT64_MAX && errno != ERANGE && !*end);
|
|
|
|
f->defaultval.uint = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_DOUBLE: {
|
|
|
|
double val = strtod(str, &end);
|
|
|
|
CHK(errno != ERANGE && !*end);
|
|
|
|
f->defaultval.dbl = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_FLOAT: {
|
|
|
|
/* XXX: Need to write our own strtof, since it's not available in c89. */
|
|
|
|
float val = strtod(str, &end);
|
|
|
|
CHK(errno != ERANGE && !*end);
|
|
|
|
f->defaultval.flt = val;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_BOOL: {
|
|
|
|
if (streql2(str, len, "false")) {
|
|
|
|
f->defaultval.boolean = false;
|
|
|
|
} else if (streql2(str, len, "true")) {
|
|
|
|
f->defaultval.boolean = true;
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case UPB_TYPE_STRING:
|
|
|
|
f->defaultval.str = newstr(ctx->alloc, str, len);
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_BYTES:
|
|
|
|
/* XXX: need to interpret the C-escaped value. */
|
|
|
|
f->defaultval.str = newstr(ctx->alloc, str, len);
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_MESSAGE:
|
|
|
|
/* Should not have a default value. */
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_default_default(const symtab_addctx *ctx, upb_fielddef *f) {
|
|
|
|
switch (upb_fielddef_type(f)) {
|
|
|
|
case UPB_TYPE_INT32:
|
|
|
|
case UPB_TYPE_INT64:
|
|
|
|
case UPB_TYPE_ENUM:
|
|
|
|
f->defaultval.sint = 0;
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_UINT64:
|
|
|
|
case UPB_TYPE_UINT32:
|
|
|
|
f->defaultval.uint = 0;
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_DOUBLE:
|
|
|
|
case UPB_TYPE_FLOAT:
|
|
|
|
f->defaultval.dbl = 0;
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_STRING:
|
|
|
|
case UPB_TYPE_BYTES:
|
|
|
|
f->defaultval.str = newstr(ctx->alloc, NULL, 0);
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_BOOL:
|
|
|
|
f->defaultval.boolean = false;
|
|
|
|
break;
|
|
|
|
case UPB_TYPE_MESSAGE:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool create_fielddef(
|
|
|
|
const symtab_addctx *ctx, const char *prefix, upb_msgdef *m,
|
|
|
|
const google_protobuf_FieldDescriptorProto *field_proto) {
|
|
|
|
upb_alloc *alloc = ctx->alloc;
|
|
|
|
upb_fielddef *f;
|
|
|
|
const google_protobuf_FieldOptions *options;
|
|
|
|
upb_strview name;
|
|
|
|
const char *full_name;
|
|
|
|
const char *json_name;
|
|
|
|
const char *shortname;
|
|
|
|
uint32_t field_number;
|
|
|
|
|
|
|
|
if (!google_protobuf_FieldDescriptorProto_has_name(field_proto)) {
|
|
|
|
upb_status_seterrmsg(ctx->status, "field has no name");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
name = google_protobuf_FieldDescriptorProto_name(field_proto);
|
|
|
|
CHK(upb_isident(name, false, ctx->status));
|
|
|
|
full_name = makefullname(ctx, prefix, name);
|
|
|
|
shortname = shortdefname(full_name);
|
|
|
|
|
|
|
|
if (google_protobuf_FieldDescriptorProto_has_json_name(field_proto)) {
|
|
|
|
json_name = strviewdup(
|
|
|
|
ctx, google_protobuf_FieldDescriptorProto_json_name(field_proto));
|
|
|
|
} else {
|
|
|
|
json_name = makejsonname(shortname, ctx->alloc);
|
|
|
|
}
|
|
|
|
|
|
|
|
field_number = google_protobuf_FieldDescriptorProto_number(field_proto);
|
|
|
|
|
|
|
|
if (field_number == 0 || field_number > UPB_MAX_FIELDNUMBER) {
|
|
|
|
upb_status_seterrf(ctx->status, "invalid field number (%u)", field_number);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (m) {
|
|
|
|
/* direct message field. */
|
|
|
|
upb_value v, field_v, json_v;
|
|
|
|
size_t json_size;
|
|
|
|
|
|
|
|
f = (upb_fielddef*)&m->fields[m->field_count++];
|
|
|
|
f->msgdef = m;
|
|
|
|
f->is_extension_ = false;
|
|
|
|
|
|
|
|
if (upb_strtable_lookup(&m->ntof, shortname, NULL)) {
|
|
|
|
upb_status_seterrf(ctx->status, "duplicate field name (%s)", shortname);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_strtable_lookup(&m->ntof, json_name, NULL)) {
|
|
|
|
upb_status_seterrf(ctx->status, "duplicate json_name (%s)", json_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_inttable_lookup(&m->itof, field_number, NULL)) {
|
|
|
|
upb_status_seterrf(ctx->status, "duplicate field number (%u)",
|
|
|
|
field_number);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
field_v = pack_def(f, UPB_DEFTYPE_FIELD);
|
|
|
|
json_v = pack_def(f, UPB_DEFTYPE_FIELD_JSONNAME);
|
|
|
|
v = upb_value_constptr(f);
|
|
|
|
json_size = strlen(json_name);
|
|
|
|
|
|
|
|
CHK_OOM(
|
|
|
|
upb_strtable_insert3(&m->ntof, name.data, name.size, field_v, alloc));
|
|
|
|
CHK_OOM(upb_inttable_insert2(&m->itof, field_number, v, alloc));
|
|
|
|
|
|
|
|
if (strcmp(shortname, json_name) != 0) {
|
|
|
|
upb_strtable_insert3(&m->ntof, json_name, json_size, json_v, alloc);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->layouts) {
|
|
|
|
const upb_msglayout_field *fields = m->layout->fields;
|
|
|
|
int count = m->layout->field_count;
|
|
|
|
bool found = false;
|
|
|
|
int i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
|
|
if (fields[i].number == field_number) {
|
|
|
|
f->layout_index = i;
|
|
|
|
found = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
UPB_ASSERT(found);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* extension field. */
|
|
|
|
f = (upb_fielddef*)&ctx->file->exts[ctx->file->ext_count++];
|
|
|
|
f->is_extension_ = true;
|
|
|
|
CHK_OOM(symtab_add(ctx, full_name, pack_def(f, UPB_DEFTYPE_FIELD)));
|
|
|
|
}
|
|
|
|
|
|
|
|
f->full_name = full_name;
|
|
|
|
f->json_name = json_name;
|
|
|
|
f->file = ctx->file;
|
|
|
|
f->type_ = (int)google_protobuf_FieldDescriptorProto_type(field_proto);
|
|
|
|
f->label_ = (int)google_protobuf_FieldDescriptorProto_label(field_proto);
|
|
|
|
f->number_ = field_number;
|
|
|
|
f->oneof = NULL;
|
|
|
|
f->proto3_optional_ =
|
|
|
|
google_protobuf_FieldDescriptorProto_proto3_optional(field_proto);
|
|
|
|
|
|
|
|
/* We can't resolve the subdef or (in the case of extensions) the containing
|
|
|
|
* message yet, because it may not have been defined yet. We stash a pointer
|
|
|
|
* to the field_proto until later when we can properly resolve it. */
|
|
|
|
f->sub.unresolved = field_proto;
|
|
|
|
|
|
|
|
if (f->label_ == UPB_LABEL_REQUIRED && f->file->syntax == UPB_SYNTAX_PROTO3) {
|
|
|
|
upb_status_seterrf(ctx->status, "proto3 fields cannot be required (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (google_protobuf_FieldDescriptorProto_has_oneof_index(field_proto)) {
|
|
|
|
int oneof_index =
|
|
|
|
google_protobuf_FieldDescriptorProto_oneof_index(field_proto);
|
|
|
|
upb_oneofdef *oneof;
|
|
|
|
upb_value v = upb_value_constptr(f);
|
|
|
|
|
|
|
|
if (upb_fielddef_label(f) != UPB_LABEL_OPTIONAL) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"fields in oneof must have OPTIONAL label (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!m) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"oneof_index provided for extension field (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oneof_index >= m->oneof_count) {
|
|
|
|
upb_status_seterrf(ctx->status, "oneof_index out of range (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
oneof = (upb_oneofdef*)&m->oneofs[oneof_index];
|
|
|
|
f->oneof = oneof;
|
|
|
|
|
|
|
|
oneof->field_count++;
|
|
|
|
if (f->proto3_optional_) {
|
|
|
|
oneof->synthetic = true;
|
|
|
|
}
|
|
|
|
CHK(upb_inttable_insert2(&oneof->itof, f->number_, v, alloc));
|
|
|
|
CHK(upb_strtable_insert3(&oneof->ntof, name.data, name.size, v, alloc));
|
|
|
|
} else {
|
|
|
|
f->oneof = NULL;
|
|
|
|
if (f->proto3_optional_) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"field with proto3_optional was not in a oneof (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
options = google_protobuf_FieldDescriptorProto_has_options(field_proto) ?
|
|
|
|
google_protobuf_FieldDescriptorProto_options(field_proto) : NULL;
|
|
|
|
|
|
|
|
if (options && google_protobuf_FieldOptions_has_packed(options)) {
|
|
|
|
f->packed_ = google_protobuf_FieldOptions_packed(options);
|
|
|
|
} else {
|
|
|
|
/* Repeated fields default to packed for proto3 only. */
|
|
|
|
f->packed_ = upb_fielddef_isprimitive(f) &&
|
|
|
|
f->label_ == UPB_LABEL_REPEATED && f->file->syntax == UPB_SYNTAX_PROTO3;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (options) {
|
|
|
|
f->lazy_ = google_protobuf_FieldOptions_lazy(options);
|
|
|
|
} else {
|
|
|
|
f->lazy_ = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool create_enumdef(
|
|
|
|
const symtab_addctx *ctx, const char *prefix,
|
|
|
|
const google_protobuf_EnumDescriptorProto *enum_proto) {
|
|
|
|
upb_enumdef *e;
|
|
|
|
const google_protobuf_EnumValueDescriptorProto *const *values;
|
|
|
|
upb_strview name;
|
|
|
|
size_t i, n;
|
|
|
|
|
|
|
|
name = google_protobuf_EnumDescriptorProto_name(enum_proto);
|
|
|
|
CHK(upb_isident(name, false, ctx->status));
|
|
|
|
|
|
|
|
e = (upb_enumdef*)&ctx->file->enums[ctx->file->enum_count++];
|
|
|
|
e->full_name = makefullname(ctx, prefix, name);
|
|
|
|
CHK_OOM(symtab_add(ctx, e->full_name, pack_def(e, UPB_DEFTYPE_ENUM)));
|
|
|
|
|
|
|
|
CHK_OOM(upb_strtable_init2(&e->ntoi, UPB_CTYPE_INT32, ctx->alloc));
|
|
|
|
CHK_OOM(upb_inttable_init2(&e->iton, UPB_CTYPE_CSTR, ctx->alloc));
|
|
|
|
|
|
|
|
e->file = ctx->file;
|
|
|
|
e->defaultval = 0;
|
|
|
|
|
|
|
|
values = google_protobuf_EnumDescriptorProto_value(enum_proto, &n);
|
|
|
|
|
|
|
|
if (n == 0) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"enums must contain at least one value (%s)",
|
|
|
|
e->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
const google_protobuf_EnumValueDescriptorProto *value = values[i];
|
|
|
|
upb_strview name = google_protobuf_EnumValueDescriptorProto_name(value);
|
|
|
|
char *name2 = strviewdup(ctx, name);
|
|
|
|
int32_t num = google_protobuf_EnumValueDescriptorProto_number(value);
|
|
|
|
upb_value v = upb_value_int32(num);
|
|
|
|
|
|
|
|
if (i == 0 && e->file->syntax == UPB_SYNTAX_PROTO3 && num != 0) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"for proto3, the first enum value must be zero (%s)",
|
|
|
|
e->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_strtable_lookup(&e->ntoi, name2, NULL)) {
|
|
|
|
upb_status_seterrf(ctx->status, "duplicate enum label '%s'", name2);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
CHK_OOM(name2)
|
|
|
|
CHK_OOM(
|
|
|
|
upb_strtable_insert3(&e->ntoi, name2, strlen(name2), v, ctx->alloc));
|
|
|
|
|
|
|
|
if (!upb_inttable_lookup(&e->iton, num, NULL)) {
|
|
|
|
upb_value v = upb_value_cstr(name2);
|
|
|
|
CHK_OOM(upb_inttable_insert2(&e->iton, num, v, ctx->alloc));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_inttable_compact2(&e->iton, ctx->alloc);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool create_msgdef(symtab_addctx *ctx, const char *prefix,
|
|
|
|
const google_protobuf_DescriptorProto *msg_proto) {
|
|
|
|
upb_msgdef *m;
|
|
|
|
const google_protobuf_MessageOptions *options;
|
|
|
|
const google_protobuf_OneofDescriptorProto *const *oneofs;
|
|
|
|
const google_protobuf_FieldDescriptorProto *const *fields;
|
|
|
|
const google_protobuf_EnumDescriptorProto *const *enums;
|
|
|
|
const google_protobuf_DescriptorProto *const *msgs;
|
|
|
|
size_t i, n;
|
|
|
|
upb_strview name;
|
|
|
|
|
|
|
|
name = google_protobuf_DescriptorProto_name(msg_proto);
|
|
|
|
CHK(upb_isident(name, false, ctx->status));
|
|
|
|
|
|
|
|
m = (upb_msgdef*)&ctx->file->msgs[ctx->file->msg_count++];
|
|
|
|
m->full_name = makefullname(ctx, prefix, name);
|
|
|
|
CHK_OOM(symtab_add(ctx, m->full_name, pack_def(m, UPB_DEFTYPE_MSG)));
|
|
|
|
|
|
|
|
CHK_OOM(upb_inttable_init2(&m->itof, UPB_CTYPE_CONSTPTR, ctx->alloc));
|
|
|
|
CHK_OOM(upb_strtable_init2(&m->ntof, UPB_CTYPE_CONSTPTR, ctx->alloc));
|
|
|
|
|
|
|
|
m->file = ctx->file;
|
|
|
|
m->map_entry = false;
|
|
|
|
|
|
|
|
options = google_protobuf_DescriptorProto_options(msg_proto);
|
|
|
|
|
|
|
|
if (options) {
|
|
|
|
m->map_entry = google_protobuf_MessageOptions_map_entry(options);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->layouts) {
|
|
|
|
m->layout = *ctx->layouts;
|
|
|
|
ctx->layouts++;
|
|
|
|
} else {
|
|
|
|
/* Allocate now (to allow cross-linking), populate later. */
|
|
|
|
m->layout = upb_malloc(ctx->alloc, sizeof(*m->layout));
|
|
|
|
}
|
|
|
|
|
|
|
|
oneofs = google_protobuf_DescriptorProto_oneof_decl(msg_proto, &n);
|
|
|
|
m->oneof_count = 0;
|
|
|
|
m->oneofs = upb_malloc(ctx->alloc, sizeof(*m->oneofs) * n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_oneofdef(ctx, m, oneofs[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
fields = google_protobuf_DescriptorProto_field(msg_proto, &n);
|
|
|
|
m->field_count = 0;
|
|
|
|
m->fields = upb_malloc(ctx->alloc, sizeof(*m->fields) * n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_fielddef(ctx, m->full_name, m, fields[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
CHK(assign_msg_indices(m, ctx->status));
|
|
|
|
CHK(finalize_oneofs(ctx, m));
|
|
|
|
assign_msg_wellknowntype(m);
|
|
|
|
upb_inttable_compact2(&m->itof, ctx->alloc);
|
|
|
|
|
|
|
|
/* This message is built. Now build nested messages and enums. */
|
|
|
|
|
|
|
|
enums = google_protobuf_DescriptorProto_enum_type(msg_proto, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_enumdef(ctx, m->full_name, enums[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
msgs = google_protobuf_DescriptorProto_nested_type(msg_proto, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_msgdef(ctx, m->full_name, msgs[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
int msg_count;
|
|
|
|
int enum_count;
|
|
|
|
int ext_count;
|
|
|
|
} decl_counts;
|
|
|
|
|
|
|
|
static void count_types_in_msg(const google_protobuf_DescriptorProto *msg_proto,
|
|
|
|
decl_counts *counts) {
|
|
|
|
const google_protobuf_DescriptorProto *const *msgs;
|
|
|
|
size_t i, n;
|
|
|
|
|
|
|
|
counts->msg_count++;
|
|
|
|
|
|
|
|
msgs = google_protobuf_DescriptorProto_nested_type(msg_proto, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
count_types_in_msg(msgs[i], counts);
|
|
|
|
}
|
|
|
|
|
|
|
|
google_protobuf_DescriptorProto_enum_type(msg_proto, &n);
|
|
|
|
counts->enum_count += n;
|
|
|
|
|
|
|
|
google_protobuf_DescriptorProto_extension(msg_proto, &n);
|
|
|
|
counts->ext_count += n;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void count_types_in_file(
|
|
|
|
const google_protobuf_FileDescriptorProto *file_proto,
|
|
|
|
decl_counts *counts) {
|
|
|
|
const google_protobuf_DescriptorProto *const *msgs;
|
|
|
|
size_t i, n;
|
|
|
|
|
|
|
|
msgs = google_protobuf_FileDescriptorProto_message_type(file_proto, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
count_types_in_msg(msgs[i], counts);
|
|
|
|
}
|
|
|
|
|
|
|
|
google_protobuf_FileDescriptorProto_enum_type(file_proto, &n);
|
|
|
|
counts->enum_count += n;
|
|
|
|
|
|
|
|
google_protobuf_FileDescriptorProto_extension(file_proto, &n);
|
|
|
|
counts->ext_count += n;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool resolve_fielddef(const symtab_addctx *ctx, const char *prefix,
|
|
|
|
upb_fielddef *f) {
|
|
|
|
upb_strview name;
|
|
|
|
const google_protobuf_FieldDescriptorProto *field_proto = f->sub.unresolved;
|
|
|
|
|
|
|
|
if (f->is_extension_) {
|
|
|
|
if (!google_protobuf_FieldDescriptorProto_has_extendee(field_proto)) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"extension for field '%s' had no extendee",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
name = google_protobuf_FieldDescriptorProto_extendee(field_proto);
|
|
|
|
f->msgdef = symtab_resolve(ctx, f, prefix, name, UPB_DEFTYPE_MSG);
|
|
|
|
CHK(f->msgdef);
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((upb_fielddef_issubmsg(f) || f->type_ == UPB_DESCRIPTOR_TYPE_ENUM) &&
|
|
|
|
!google_protobuf_FieldDescriptorProto_has_type_name(field_proto)) {
|
|
|
|
upb_status_seterrf(ctx->status, "field '%s' is missing type name",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
name = google_protobuf_FieldDescriptorProto_type_name(field_proto);
|
|
|
|
|
|
|
|
if (upb_fielddef_issubmsg(f)) {
|
|
|
|
f->sub.msgdef = symtab_resolve(ctx, f, prefix, name, UPB_DEFTYPE_MSG);
|
|
|
|
CHK(f->sub.msgdef);
|
|
|
|
} else if (f->type_ == UPB_DESCRIPTOR_TYPE_ENUM) {
|
|
|
|
f->sub.enumdef = symtab_resolve(ctx, f, prefix, name, UPB_DEFTYPE_ENUM);
|
|
|
|
CHK(f->sub.enumdef);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Have to delay resolving of the default value until now because of the enum
|
|
|
|
* case, since enum defaults are specified with a label. */
|
|
|
|
if (google_protobuf_FieldDescriptorProto_has_default_value(field_proto)) {
|
|
|
|
upb_strview defaultval =
|
|
|
|
google_protobuf_FieldDescriptorProto_default_value(field_proto);
|
|
|
|
|
|
|
|
if (f->file->syntax == UPB_SYNTAX_PROTO3) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"proto3 fields cannot have explicit defaults (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (upb_fielddef_issubmsg(f)) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"message fields cannot have explicit defaults (%s)",
|
|
|
|
f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!parse_default(ctx, defaultval.data, defaultval.size, f)) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"couldn't parse default '" UPB_STRVIEW_FORMAT
|
|
|
|
"' for field (%s)",
|
|
|
|
UPB_STRVIEW_ARGS(defaultval), f->full_name);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
set_default_default(ctx, f);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool build_filedef(
|
|
|
|
symtab_addctx *ctx, upb_filedef *file,
|
|
|
|
const google_protobuf_FileDescriptorProto *file_proto) {
|
|
|
|
upb_alloc *alloc = ctx->alloc;
|
|
|
|
const google_protobuf_FileOptions *file_options_proto;
|
|
|
|
const google_protobuf_DescriptorProto *const *msgs;
|
|
|
|
const google_protobuf_EnumDescriptorProto *const *enums;
|
|
|
|
const google_protobuf_FieldDescriptorProto *const *exts;
|
|
|
|
const upb_strview* strs;
|
|
|
|
size_t i, n;
|
|
|
|
decl_counts counts = {0, 0, 0};
|
|
|
|
|
|
|
|
count_types_in_file(file_proto, &counts);
|
|
|
|
|
|
|
|
file->msgs = upb_malloc(alloc, sizeof(*file->msgs) * counts.msg_count);
|
|
|
|
file->enums = upb_malloc(alloc, sizeof(*file->enums) * counts.enum_count);
|
|
|
|
file->exts = upb_malloc(alloc, sizeof(*file->exts) * counts.ext_count);
|
|
|
|
|
|
|
|
CHK_OOM(counts.msg_count == 0 || file->msgs);
|
|
|
|
CHK_OOM(counts.enum_count == 0 || file->enums);
|
|
|
|
CHK_OOM(counts.ext_count == 0 || file->exts);
|
|
|
|
|
|
|
|
/* We increment these as defs are added. */
|
|
|
|
file->msg_count = 0;
|
|
|
|
file->enum_count = 0;
|
|
|
|
file->ext_count = 0;
|
|
|
|
|
|
|
|
if (!google_protobuf_FileDescriptorProto_has_name(file_proto)) {
|
|
|
|
upb_status_seterrmsg(ctx->status, "File has no name");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
file->name =
|
|
|
|
strviewdup(ctx, google_protobuf_FileDescriptorProto_name(file_proto));
|
|
|
|
file->phpprefix = NULL;
|
|
|
|
file->phpnamespace = NULL;
|
|
|
|
|
|
|
|
if (google_protobuf_FileDescriptorProto_has_package(file_proto)) {
|
|
|
|
upb_strview package =
|
|
|
|
google_protobuf_FileDescriptorProto_package(file_proto);
|
|
|
|
CHK(upb_isident(package, true, ctx->status));
|
|
|
|
file->package = strviewdup(ctx, package);
|
|
|
|
} else {
|
|
|
|
file->package = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (google_protobuf_FileDescriptorProto_has_syntax(file_proto)) {
|
|
|
|
upb_strview syntax =
|
|
|
|
google_protobuf_FileDescriptorProto_syntax(file_proto);
|
|
|
|
|
|
|
|
if (streql_view(syntax, "proto2")) {
|
|
|
|
file->syntax = UPB_SYNTAX_PROTO2;
|
|
|
|
} else if (streql_view(syntax, "proto3")) {
|
|
|
|
file->syntax = UPB_SYNTAX_PROTO3;
|
|
|
|
} else {
|
|
|
|
upb_status_seterrf(ctx->status, "Invalid syntax '" UPB_STRVIEW_FORMAT "'",
|
|
|
|
UPB_STRVIEW_ARGS(syntax));
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
file->syntax = UPB_SYNTAX_PROTO2;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read options. */
|
|
|
|
file_options_proto = google_protobuf_FileDescriptorProto_options(file_proto);
|
|
|
|
if (file_options_proto) {
|
|
|
|
if (google_protobuf_FileOptions_has_php_class_prefix(file_options_proto)) {
|
|
|
|
file->phpprefix = strviewdup(
|
|
|
|
ctx,
|
|
|
|
google_protobuf_FileOptions_php_class_prefix(file_options_proto));
|
|
|
|
}
|
|
|
|
if (google_protobuf_FileOptions_has_php_namespace(file_options_proto)) {
|
|
|
|
file->phpnamespace = strviewdup(
|
|
|
|
ctx, google_protobuf_FileOptions_php_namespace(file_options_proto));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Verify dependencies. */
|
|
|
|
strs = google_protobuf_FileDescriptorProto_dependency(file_proto, &n);
|
|
|
|
file->deps = upb_malloc(alloc, sizeof(*file->deps) * n) ;
|
|
|
|
CHK_OOM(n == 0 || file->deps);
|
|
|
|
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
upb_strview dep_name = strs[i];
|
|
|
|
upb_value v;
|
|
|
|
if (!upb_strtable_lookup2(&ctx->symtab->files, dep_name.data,
|
|
|
|
dep_name.size, &v)) {
|
|
|
|
upb_status_seterrf(ctx->status,
|
|
|
|
"Depends on file '" UPB_STRVIEW_FORMAT
|
|
|
|
"', but it has not been loaded",
|
|
|
|
UPB_STRVIEW_ARGS(dep_name));
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
file->deps[i] = upb_value_getconstptr(v);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create messages. */
|
|
|
|
msgs = google_protobuf_FileDescriptorProto_message_type(file_proto, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_msgdef(ctx, file->package, msgs[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create enums. */
|
|
|
|
enums = google_protobuf_FileDescriptorProto_enum_type(file_proto, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_enumdef(ctx, file->package, enums[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create extensions. */
|
|
|
|
exts = google_protobuf_FileDescriptorProto_extension(file_proto, &n);
|
|
|
|
file->exts = upb_malloc(alloc, sizeof(*file->exts) * n);
|
|
|
|
CHK_OOM(n == 0 || file->exts);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
CHK(create_fielddef(ctx, file->package, NULL, exts[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Now that all names are in the table, build layouts and resolve refs. */
|
|
|
|
for (i = 0; i < (size_t)file->ext_count; i++) {
|
|
|
|
CHK(resolve_fielddef(ctx, file->package, (upb_fielddef*)&file->exts[i]));
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < (size_t)file->msg_count; i++) {
|
|
|
|
const upb_msgdef *m = &file->msgs[i];
|
|
|
|
int j;
|
|
|
|
for (j = 0; j < m->field_count; j++) {
|
|
|
|
CHK(resolve_fielddef(ctx, m->full_name, (upb_fielddef*)&m->fields[j]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ctx->layouts) {
|
|
|
|
for (i = 0; i < (size_t)file->msg_count; i++) {
|
|
|
|
const upb_msgdef *m = &file->msgs[i];
|
|
|
|
make_layout(ctx->symtab, m);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool upb_symtab_addtotabs(upb_symtab *s, symtab_addctx *ctx) {
|
|
|
|
const upb_filedef *file = ctx->file;
|
|
|
|
upb_alloc *alloc = upb_arena_alloc(s->arena);
|
|
|
|
upb_strtable_iter iter;
|
|
|
|
|
|
|
|
CHK_OOM(upb_strtable_insert3(&s->files, file->name, strlen(file->name),
|
|
|
|
upb_value_constptr(file), alloc));
|
|
|
|
|
|
|
|
upb_strtable_begin(&iter, ctx->addtab);
|
|
|
|
for (; !upb_strtable_done(&iter); upb_strtable_next(&iter)) {
|
|
|
|
upb_strview key = upb_strtable_iter_key(&iter);
|
|
|
|
upb_value value = upb_strtable_iter_value(&iter);
|
|
|
|
CHK_OOM(upb_strtable_insert3(&s->syms, key.data, key.size, value, alloc));
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* upb_filedef ****************************************************************/
|
|
|
|
|
|
|
|
const char *upb_filedef_name(const upb_filedef *f) {
|
|
|
|
return f->name;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_filedef_package(const upb_filedef *f) {
|
|
|
|
return f->package;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_filedef_phpprefix(const upb_filedef *f) {
|
|
|
|
return f->phpprefix;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *upb_filedef_phpnamespace(const upb_filedef *f) {
|
|
|
|
return f->phpnamespace;
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_syntax_t upb_filedef_syntax(const upb_filedef *f) {
|
|
|
|
return f->syntax;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_filedef_msgcount(const upb_filedef *f) {
|
|
|
|
return f->msg_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_filedef_depcount(const upb_filedef *f) {
|
|
|
|
return f->dep_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_filedef_enumcount(const upb_filedef *f) {
|
|
|
|
return f->enum_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_filedef *upb_filedef_dep(const upb_filedef *f, int i) {
|
|
|
|
return i < 0 || i >= f->dep_count ? NULL : f->deps[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msgdef *upb_filedef_msg(const upb_filedef *f, int i) {
|
|
|
|
return i < 0 || i >= f->msg_count ? NULL : &f->msgs[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_enumdef *upb_filedef_enum(const upb_filedef *f, int i) {
|
|
|
|
return i < 0 || i >= f->enum_count ? NULL : &f->enums[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
void upb_symtab_free(upb_symtab *s) {
|
|
|
|
upb_arena_free(s->arena);
|
|
|
|
upb_gfree(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
upb_symtab *upb_symtab_new(void) {
|
|
|
|
upb_symtab *s = upb_gmalloc(sizeof(*s));
|
|
|
|
upb_alloc *alloc;
|
|
|
|
|
|
|
|
if (!s) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
s->arena = upb_arena_new();
|
|
|
|
alloc = upb_arena_alloc(s->arena);
|
|
|
|
|
|
|
|
if (!upb_strtable_init2(&s->syms, UPB_CTYPE_CONSTPTR, alloc) ||
|
|
|
|
!upb_strtable_init2(&s->files, UPB_CTYPE_CONSTPTR, alloc)) {
|
|
|
|
upb_arena_free(s->arena);
|
|
|
|
upb_gfree(s);
|
|
|
|
s = NULL;
|
|
|
|
}
|
|
|
|
return s;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msgdef *upb_symtab_lookupmsg(const upb_symtab *s, const char *sym) {
|
|
|
|
upb_value v;
|
|
|
|
return upb_strtable_lookup(&s->syms, sym, &v) ?
|
|
|
|
unpack_def(v, UPB_DEFTYPE_MSG) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_msgdef *upb_symtab_lookupmsg2(const upb_symtab *s, const char *sym,
|
|
|
|
size_t len) {
|
|
|
|
upb_value v;
|
|
|
|
return upb_strtable_lookup2(&s->syms, sym, len, &v) ?
|
|
|
|
unpack_def(v, UPB_DEFTYPE_MSG) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_enumdef *upb_symtab_lookupenum(const upb_symtab *s, const char *sym) {
|
|
|
|
upb_value v;
|
|
|
|
return upb_strtable_lookup(&s->syms, sym, &v) ?
|
|
|
|
unpack_def(v, UPB_DEFTYPE_ENUM) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_filedef *upb_symtab_lookupfile(const upb_symtab *s, const char *name) {
|
|
|
|
upb_value v;
|
|
|
|
return upb_strtable_lookup(&s->files, name, &v) ? upb_value_getconstptr(v)
|
|
|
|
: NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_filedef *upb_symtab_lookupfile2(
|
|
|
|
const upb_symtab *s, const char *name, size_t len) {
|
|
|
|
upb_value v;
|
|
|
|
return upb_strtable_lookup2(&s->files, name, len, &v) ?
|
|
|
|
upb_value_getconstptr(v) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
int upb_symtab_filecount(const upb_symtab *s) {
|
|
|
|
return (int)upb_strtable_count(&s->files);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const upb_filedef *_upb_symtab_addfile(
|
|
|
|
upb_symtab *s, const google_protobuf_FileDescriptorProto *file_proto,
|
|
|
|
const upb_msglayout **layouts, upb_status *status) {
|
|
|
|
upb_arena *tmparena = upb_arena_new();
|
|
|
|
upb_strtable addtab;
|
|
|
|
upb_alloc *alloc = upb_arena_alloc(s->arena);
|
|
|
|
upb_filedef *file = upb_malloc(alloc, sizeof(*file));
|
|
|
|
bool ok;
|
|
|
|
symtab_addctx ctx;
|
|
|
|
|
|
|
|
ctx.file = file;
|
|
|
|
ctx.symtab = s;
|
|
|
|
ctx.alloc = alloc;
|
|
|
|
ctx.tmp = upb_arena_alloc(tmparena);
|
|
|
|
ctx.addtab = &addtab;
|
|
|
|
ctx.layouts = layouts;
|
|
|
|
ctx.status = status;
|
|
|
|
|
|
|
|
ok = file && upb_strtable_init2(&addtab, UPB_CTYPE_CONSTPTR, ctx.tmp) &&
|
|
|
|
build_filedef(&ctx, file, file_proto) && upb_symtab_addtotabs(s, &ctx);
|
|
|
|
|
|
|
|
upb_arena_free(tmparena);
|
|
|
|
return ok ? file : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
const upb_filedef *upb_symtab_addfile(
|
|
|
|
upb_symtab *s, const google_protobuf_FileDescriptorProto *file_proto,
|
|
|
|
upb_status *status) {
|
|
|
|
return _upb_symtab_addfile(s, file_proto, NULL, status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Include here since we want most of this file to be stdio-free. */
|
|
|
|
#include <stdio.h>
|
|
|
|
|
|
|
|
bool _upb_symtab_loaddefinit(upb_symtab *s, const upb_def_init *init) {
|
|
|
|
/* Since this function should never fail (it would indicate a bug in upb) we
|
|
|
|
* print errors to stderr instead of returning error status to the user. */
|
|
|
|
upb_def_init **deps = init->deps;
|
|
|
|
google_protobuf_FileDescriptorProto *file;
|
|
|
|
upb_arena *arena;
|
|
|
|
upb_status status;
|
|
|
|
|
|
|
|
upb_status_clear(&status);
|
|
|
|
|
|
|
|
if (upb_strtable_lookup(&s->files, init->filename, NULL)) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
arena = upb_arena_new();
|
|
|
|
|
|
|
|
for (; *deps; deps++) {
|
|
|
|
if (!_upb_symtab_loaddefinit(s, *deps)) goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
file = google_protobuf_FileDescriptorProto_parse(
|
|
|
|
init->descriptor.data, init->descriptor.size, arena);
|
|
|
|
|
|
|
|
if (!file) {
|
|
|
|
upb_status_seterrf(
|
|
|
|
&status,
|
|
|
|
"Failed to parse compiled-in descriptor for file '%s'. This should "
|
|
|
|
"never happen.",
|
|
|
|
init->filename);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!_upb_symtab_addfile(s, file, init->layouts, &status)) goto err;
|
|
|
|
|
|
|
|
upb_arena_free(arena);
|
|
|
|
return true;
|
|
|
|
|
|
|
|
err:
|
|
|
|
fprintf(stderr, "Error loading compiled-in descriptor: %s\n",
|
|
|
|
upb_status_errmsg(&status));
|
|
|
|
upb_arena_free(arena);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
#undef CHK
|
|
|
|
#undef CHK_OOM
|