diff options
Diffstat (limited to 'upb/def.c')
| -rw-r--r-- | upb/def.c | 139 |
1 files changed, 106 insertions, 33 deletions
@@ -66,6 +66,22 @@ static bool upb_isident(const char *str, size_t len, bool full, upb_status *s) { return !start; } +static bool upb_isoneof(const upb_refcounted *def) { + return def->vtbl == &upb_oneofdef_vtbl; +} + +static bool upb_isfield(const upb_refcounted *def) { + return def->vtbl == &upb_fielddef_vtbl; +} + +static const upb_oneofdef *upb_trygetoneof(const upb_refcounted *def) { + return upb_isoneof(def) ? (const upb_oneofdef*)def : NULL; +} + +static const upb_fielddef *upb_trygetfield(const upb_refcounted *def) { + return upb_isfield(def) ? (const upb_fielddef*)def : NULL; +} + /* upb_def ********************************************************************/ @@ -437,12 +453,17 @@ static void upb_enumdef_free(upb_refcounted *r) { upb_gfree(e); } +const struct upb_refcounted_vtbl upb_enumdef_vtbl = {NULL, &upb_enumdef_free}; + upb_enumdef *upb_enumdef_new(const void *owner) { - static const struct upb_refcounted_vtbl vtbl = {NULL, &upb_enumdef_free}; upb_enumdef *e = upb_gmalloc(sizeof(*e)); if (!e) return NULL; - if (!upb_def_init(upb_enumdef_upcast_mutable(e), UPB_DEF_ENUM, &vtbl, owner)) + + if (!upb_def_init(upb_enumdef_upcast_mutable(e), UPB_DEF_ENUM, + &upb_enumdef_vtbl, owner)) { goto err2; + } + if (!upb_strtable_init(&e->ntoi, UPB_CTYPE_INT32)) goto err2; if (!upb_inttable_init(&e->iton, UPB_CTYPE_CSTR)) goto err1; return e; @@ -663,11 +684,13 @@ static bool enumdefaultint32(const upb_fielddef *f, int32_t *val) { return false; } +const struct upb_refcounted_vtbl upb_fielddef_vtbl = {visitfield, freefield}; + upb_fielddef *upb_fielddef_new(const void *o) { - static const struct upb_refcounted_vtbl vtbl = {visitfield, freefield}; upb_fielddef *f = upb_gmalloc(sizeof(*f)); if (!f) return NULL; - if (!upb_def_init(upb_fielddef_upcast_mutable(f), UPB_DEF_FIELD, &vtbl, o)) { + if (!upb_def_init(upb_fielddef_upcast_mutable(f), UPB_DEF_FIELD, + &upb_fielddef_vtbl, o)) { upb_gfree(f); return NULL; } @@ -1378,31 +1401,32 @@ static void visitmsg(const upb_refcounted *r, upb_refcounted_visit *visit, static void freemsg(upb_refcounted *r) { upb_msgdef *m = (upb_msgdef*)r; - upb_strtable_uninit(&m->ntoo); upb_strtable_uninit(&m->ntof); upb_inttable_uninit(&m->itof); upb_def_uninit(upb_msgdef_upcast_mutable(m)); upb_gfree(m); } +const struct upb_refcounted_vtbl upb_msgdef_vtbl = {visitmsg, freemsg}; + upb_msgdef *upb_msgdef_new(const void *owner) { - static const struct upb_refcounted_vtbl vtbl = {visitmsg, freemsg}; upb_msgdef *m = upb_gmalloc(sizeof(*m)); if (!m) return NULL; - if (!upb_def_init(upb_msgdef_upcast_mutable(m), UPB_DEF_MSG, &vtbl, owner)) + + if (!upb_def_init(upb_msgdef_upcast_mutable(m), UPB_DEF_MSG, &upb_msgdef_vtbl, + owner)) { goto err2; - if (!upb_inttable_init(&m->itof, UPB_CTYPE_PTR)) goto err3; - if (!upb_strtable_init(&m->ntof, UPB_CTYPE_PTR)) goto err2; - if (!upb_strtable_init(&m->ntoo, UPB_CTYPE_PTR)) goto err1; + } + + if (!upb_inttable_init(&m->itof, UPB_CTYPE_PTR)) goto err2; + if (!upb_strtable_init(&m->ntof, UPB_CTYPE_PTR)) goto err1; m->map_entry = false; m->syntax = UPB_SYNTAX_PROTO2; return m; err1: - upb_strtable_uninit(&m->ntof); -err2: upb_inttable_uninit(&m->itof); -err3: +err2: upb_gfree(m); return NULL; } @@ -1484,9 +1508,11 @@ static bool check_field_add(const upb_msgdef *m, const upb_fielddef *f, } else if (upb_fielddef_name(f) == NULL || upb_fielddef_number(f) == 0) { upb_status_seterrmsg(s, "field name or number were not set"); return false; - } else if (upb_msgdef_ntofz(m, upb_fielddef_name(f)) || - upb_msgdef_itof(m, upb_fielddef_number(f))) { - upb_status_seterrmsg(s, "duplicate field name or number for field"); + } else if (upb_msgdef_itof(m, upb_fielddef_number(f))) { + upb_status_seterrmsg(s, "duplicate field number"); + return false; + } else if (upb_strtable_lookup(&m->ntof, upb_fielddef_name(f), NULL)) { + upb_status_seterrmsg(s, "name conflicts with existing field or oneof"); return false; } return true; @@ -1547,8 +1573,8 @@ bool upb_msgdef_addoneof(upb_msgdef *m, upb_oneofdef *o, const void *ref_donor, } else if (upb_oneofdef_name(o) == NULL) { upb_status_seterrmsg(s, "oneofdef name was not set"); return false; - } else if (upb_msgdef_ntooz(m, upb_oneofdef_name(o))) { - upb_status_seterrmsg(s, "duplicate oneof name"); + } else if (upb_strtable_lookup(&m->ntof, upb_oneofdef_name(o), NULL)) { + upb_status_seterrmsg(s, "name conflicts with existing field or oneof"); return false; } @@ -1565,7 +1591,7 @@ bool upb_msgdef_addoneof(upb_msgdef *m, upb_oneofdef *o, const void *ref_donor, /* Add oneof itself first. */ o->parent = m; - upb_strtable_insert(&m->ntoo, upb_oneofdef_name(o), upb_value_ptr(o)); + upb_strtable_insert(&m->ntof, upb_oneofdef_name(o), upb_value_ptr(o)); upb_ref2(o, m); upb_ref2(m, o); @@ -1589,23 +1615,47 @@ const upb_fielddef *upb_msgdef_itof(const upb_msgdef *m, uint32_t i) { const upb_fielddef *upb_msgdef_ntof(const upb_msgdef *m, const char *name, size_t len) { upb_value val; - return upb_strtable_lookup2(&m->ntof, name, len, &val) ? - upb_value_getptr(val) : NULL; + + if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) { + return NULL; + } + + return upb_trygetfield(upb_value_getptr(val)); } const upb_oneofdef *upb_msgdef_ntoo(const upb_msgdef *m, const char *name, size_t len) { upb_value val; - return upb_strtable_lookup2(&m->ntoo, name, len, &val) ? - upb_value_getptr(val) : NULL; + + if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) { + return NULL; + } + + return upb_trygetoneof(upb_value_getptr(val)); +} + +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 = upb_trygetoneof(upb_value_getptr(val)); + *f = upb_trygetfield(upb_value_getptr(val)); + assert((*o != NULL) ^ (*f != NULL)); /* Exactly one of the two should be set. */ + return true; } int upb_msgdef_numfields(const upb_msgdef *m) { - return upb_strtable_count(&m->ntof); + /* The number table contains only fields. */ + return upb_inttable_count(&m->itof); } int upb_msgdef_numoneofs(const upb_msgdef *m) { - return upb_strtable_count(&m->ntoo); + /* The name table includes oneofs, and the number table does not. */ + return upb_strtable_count(&m->ntof) - upb_inttable_count(&m->itof); } void upb_msgdef_setmapentry(upb_msgdef *m, bool map_entry) { @@ -1636,10 +1686,21 @@ void upb_msg_field_iter_setdone(upb_msg_field_iter *iter) { } void upb_msg_oneof_begin(upb_msg_oneof_iter *iter, const upb_msgdef *m) { - upb_strtable_begin(iter, &m->ntoo); + upb_strtable_begin(iter, &m->ntof); + /* We need to skip past any initial fields. */ + while (!upb_strtable_done(iter) && + !upb_isoneof(upb_value_getptr(upb_strtable_iter_value(iter)))) { + upb_strtable_next(iter); + } } -void upb_msg_oneof_next(upb_msg_oneof_iter *iter) { 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) && + !upb_isoneof(upb_value_getptr(upb_strtable_iter_value(iter)))); +} bool upb_msg_oneof_done(const upb_msg_oneof_iter *iter) { return upb_strtable_done(iter); @@ -1676,16 +1737,26 @@ static void freeoneof(upb_refcounted *r) { upb_gfree(o); } +const struct upb_refcounted_vtbl upb_oneofdef_vtbl = {visitoneof, freeoneof}; + upb_oneofdef *upb_oneofdef_new(const void *owner) { - static const struct upb_refcounted_vtbl vtbl = {visitoneof, freeoneof}; upb_oneofdef *o = upb_gmalloc(sizeof(*o)); + + if (!o) { + return NULL; + } + o->parent = NULL; - if (!o) return NULL; - if (!upb_refcounted_init(upb_oneofdef_upcast_mutable(o), &vtbl, owner)) - goto err2; o->name = NULL; + + if (!upb_refcounted_init(upb_oneofdef_upcast_mutable(o), &upb_oneofdef_vtbl, + owner)) { + goto err2; + } + if (!upb_inttable_init(&o->itof, UPB_CTYPE_PTR)) goto err2; if (!upb_strtable_init(&o->ntof, UPB_CTYPE_PTR)) goto err1; + return o; err1: @@ -1879,8 +1950,9 @@ static void freefiledef(upb_refcounted *r) { upb_gfree(f); } +const struct upb_refcounted_vtbl upb_filedef_vtbl = {visitfiledef, freefiledef}; + upb_filedef *upb_filedef_new(const void *owner) { - static const struct upb_refcounted_vtbl vtbl = {visitfiledef, freefiledef}; upb_filedef *f = upb_gmalloc(sizeof(*f)); if (!f) { @@ -1891,7 +1963,8 @@ upb_filedef *upb_filedef_new(const void *owner) { f->name = NULL; f->syntax = UPB_SYNTAX_PROTO2; - if (!upb_refcounted_init(upb_filedef_upcast_mutable(f), &vtbl, owner)) { + if (!upb_refcounted_init(upb_filedef_upcast_mutable(f), &upb_filedef_vtbl, + owner)) { goto err; } |