static bool upb_fielddef_resolve(upb_fielddef *f, upb_def *def, upb_status *s) {
assert(upb_dyncast_unresolveddef(f->def));
upb_def_unref(f->def);
f->def = def;
if (f->type == UPB_TYPE(ENUM) && f->default_is_symbolic) {
// Resolve the enum's default from a string to an integer.
upb_byteregion *bytes = upb_value_getbyteregion(f->defaultval);
assert(bytes); // Points to either a real default or the empty string.
upb_enumdef *e = upb_downcast_enumdef(f->def);
int32_t val = 0;
// Could do a sanity check that the default value does not have embedded
// NULLs.
if (upb_byteregion_len(bytes) == 0) {
upb_value_setint32(&f->defaultval, e->defaultval);
} else {
size_t len;
// ptr is guaranteed to be NULL-terminated because the byteregion was
// created with upb_byteregion_newl().
const char *ptr = upb_byteregion_getptr(bytes, 0, &len);
assert(len == upb_byteregion_len(bytes)); // Should all be in one chunk.
bool success = upb_enumdef_ntoi(e, ptr, &val);
if (!success) {
upb_status_seterrf(
s, "Default enum value (%s) is not a member of the enum", ptr);
return false;
}
upb_value_setint32(&f->defaultval, val);
}
upb_byteregion_free(bytes);
}
return true;
}
static bool upb_fielddef_resolve(upb_fielddef *f, upb_def *def, upb_status *s) {
assert(upb_dyncast_unresolveddef(f->def));
upb_def_unref(f->def);
f->def = def;
if (f->type == UPB_TYPE(ENUM) && f->default_is_symbolic) {
// Resolve the enum's default from a string to an integer.
upb_strref *str = (upb_strref*)upb_value_getstrref(f->defaultval);
assert(str); // Should point to either a real default or the empty string.
upb_enumdef *e = upb_downcast_enumdef(f->def);
int32_t val = 0;
// Could do a sanity check that the default value does not have embedded
// NULLs.
if (str->ptr[0] == '\0') {
upb_value_setint32(&f->defaultval, e->defaultval);
} else {
bool success = upb_enumdef_ntoi(e, str->ptr, &val);
if (!success) {
upb_status_seterrf(
s, "Default enum value (%s) is not a member of the enum", str);
return false;
}
upb_value_setint32(&f->defaultval, val);
}
upb_strref_free(str);
}
return true;
}
bool upb_fielddef_resolvedefault(upb_fielddef *f) {
if (!upb_fielddef_default_is_symbolic(f)) return true;
upb_byteregion *bytes = upb_value_getbyteregion(f->defaultval);
const upb_enumdef *e = upb_downcast_enumdef(upb_fielddef_subdef(f));
assert(bytes); // Points to either a real default or the empty string.
assert(e);
if (upb_byteregion_len(bytes) == 0) {
// The "default default" for an enum is the first defined value.
upb_value_setint32(&f->defaultval, e->defaultval);
} else {
size_t len;
int32_t val = 0;
// ptr is guaranteed to be NULL-terminated because the byteregion was
// created with upb_byteregion_newl().
const char *ptr = upb_byteregion_getptr(
bytes, upb_byteregion_startofs(bytes), &len);
assert(len == upb_byteregion_len(bytes)); // Should all be in one chunk
if (!upb_enumdef_ntoi(e, ptr, &val)) {
return false;
}
upb_value_setint32(&f->defaultval, val);
}
f->default_is_string = false;
upb_byteregion_free(bytes);
return true;
}
static void upb_def_free(upb_def *def) {
switch (def->type) {
case UPB_DEF_MSG: upb_msgdef_free(upb_downcast_msgdef(def)); break;
case UPB_DEF_ENUM: upb_enumdef_free(upb_downcast_enumdef(def)); break;
case UPB_DEF_UNRESOLVED:
upb_unresolveddef_free(upb_downcast_unresolveddef(def)); break;
default:
assert(false);
}
}
upb_def *upb_def_dup(const upb_def *def, const void *o) {
switch (def->type) {
case UPB_DEF_MSG:
return upb_upcast(upb_msgdef_dup(upb_downcast_msgdef(def), o));
case UPB_DEF_FIELD:
return upb_upcast(upb_fielddef_dup(upb_downcast_fielddef(def), o));
case UPB_DEF_ENUM:
return upb_upcast(upb_enumdef_dup(upb_downcast_enumdef(def), o));
default: assert(false); return NULL;
}
}
static upb_flow_t upb_textprinter_value(void *_p, upb_value fval,
upb_value val) {
upb_textprinter *p = _p;
upb_fielddef *f = upb_value_getfielddef(fval);
upb_textprinter_indent(p);
CHECK(upb_bytesink_printf(p->bytesink, &p->status, UPB_STRFMT ": ", UPB_STRARG(f->name)));
#define CASE(fmtstr, member) \
CHECK(upb_bytesink_printf(p->bytesink, &p->status, fmtstr, upb_value_get ## member(val))); break;
switch(f->type) {
case UPB_TYPE(DOUBLE):
CASE("%0.f", double);
case UPB_TYPE(FLOAT):
CASE("%0.f", float)
case UPB_TYPE(INT64):
case UPB_TYPE(SFIXED64):
case UPB_TYPE(SINT64):
CASE("%" PRId64, int64)
case UPB_TYPE(UINT64):
case UPB_TYPE(FIXED64):
CASE("%" PRIu64, uint64)
case UPB_TYPE(UINT32):
case UPB_TYPE(FIXED32):
CASE("%" PRIu32, uint32);
case UPB_TYPE(ENUM): {
upb_enumdef *enum_def = upb_downcast_enumdef(f->def);
upb_string *enum_label =
upb_enumdef_iton(enum_def, upb_value_getint32(val));
if (enum_label) {
// We found a corresponding string for this enum. Otherwise we fall
// through to the int32 code path.
CHECK(upb_bytesink_putstr(p->bytesink, enum_label, &p->status));
break;
}
}
case UPB_TYPE(INT32):
case UPB_TYPE(SFIXED32):
case UPB_TYPE(SINT32):
CASE("%" PRId32, int32)
case UPB_TYPE(BOOL):
CASE("%hhu", bool);
case UPB_TYPE(STRING):
case UPB_TYPE(BYTES):
CHECK(upb_bytesink_putstr(p->bytesink, UPB_STRLIT("\""), &p->status));
CHECK(upb_textprinter_putescaped(p, upb_value_getstr(val),
f->type == UPB_TYPE(STRING)));
CHECK(upb_bytesink_putstr(p->bytesink, UPB_STRLIT("\""), &p->status));
break;
}
upb_textprinter_endfield(p);
return UPB_CONTINUE;
err:
return UPB_BREAK;
}
/* Output a symbolic value from the enum if found, else just print as int32. */
static bool textprinter_putenum(void *closure, const void *handler_data,
int32_t val) {
upb_textprinter *p = closure;
const upb_fielddef *f = handler_data;
const upb_enumdef *enum_def = upb_downcast_enumdef(upb_fielddef_subdef(f));
const char *label = upb_enumdef_iton(enum_def, val);
if (label) {
indent(p);
putf(p, "%s: %s", upb_fielddef_name(f), label);
endfield(p);
} else {
if (!textprinter_putint32(closure, handler_data, val))
return false;
}
return true;
}
bool upb_fielddef_resolveenumdefault(upb_fielddef *f, upb_status *s) {
if (!upb_fielddef_default_is_symbolic(f)) return true;
str_t *str = upb_value_getptr(f->defaultval);
const upb_enumdef *e = upb_downcast_enumdef(upb_fielddef_subdef(f));
assert(str); // Points to either a real default or the empty string.
assert(e);
if (str->len == 0) {
// The "default default" for an enum is the first defined value.
upb_value_setint32(&f->defaultval, e->defaultval);
} else {
int32_t val = 0;
if (!upb_enumdef_ntoi(e, str->str, &val)) {
upb_status_seterrf(s, "enum default not found in enum (%s)", str->str);
return false;
}
upb_value_setint32(&f->defaultval, val);
}
f->default_is_string = false;
freestr(str);
return true;
}
