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@ -24,7 +24,8 @@ bool upb_fieldtype_mapkeyok(upb_fieldtype_t type) { |
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void *upb_array_pack(const upb_array *arr, void *p, size_t *ofs, size_t size); |
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void *upb_array_pack(const upb_array *arr, void *p, size_t *ofs, size_t size); |
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void *upb_map_pack(const upb_map *map, void *p, size_t *ofs, size_t size); |
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void *upb_map_pack(const upb_map *map, void *p, size_t *ofs, size_t size); |
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#define CHARPTR_AT(msg, ofs) ((char*)msg + ofs) |
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#define PTR_AT(msg, ofs, type) (type*)((char*)msg + ofs) |
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#define VOIDPTR_AT(msg, ofs) PTR_AT(msg, ofs, void) |
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#define ENCODE_MAX_NESTING 64 |
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#define ENCODE_MAX_NESTING 64 |
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#define CHECK_TRUE(x) if (!(x)) { return false; } |
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#define CHECK_TRUE(x) if (!(x)) { return false; } |
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@ -71,7 +72,15 @@ static size_t upb_msgval_sizeof(upb_fieldtype_t type) { |
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UPB_UNREACHABLE(); |
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UPB_UNREACHABLE(); |
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} |
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} |
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static uint8_t upb_msg_fieldsize(const upb_fielddef *f) { |
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static uint8_t upb_msg_fieldsize(const upb_msglayout_fieldinit_v1 *field) { |
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if (field->label == UPB_LABEL_REPEATED) { |
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return sizeof(void*); |
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} else { |
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return upb_msgval_sizeof(field->type); |
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} |
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} |
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static uint8_t upb_msg_fielddefsize(const upb_fielddef *f) { |
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if (upb_fielddef_isseq(f)) { |
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if (upb_fielddef_isseq(f)) { |
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return sizeof(void*); |
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return sizeof(void*); |
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} else { |
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} else { |
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@ -115,7 +124,6 @@ static upb_ctype_t upb_fieldtotabtype(upb_fieldtype_t type) { |
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} |
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} |
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static upb_msgval upb_msgval_fromdefault(const upb_fielddef *f) { |
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static upb_msgval upb_msgval_fromdefault(const upb_fielddef *f) { |
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/* TODO(haberman): improve/optimize this (maybe use upb_msgval in fielddef) */ |
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switch (upb_fielddef_type(f)) { |
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switch (upb_fielddef_type(f)) { |
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case UPB_TYPE_FLOAT: |
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case UPB_TYPE_FLOAT: |
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return upb_msgval_float(upb_fielddef_defaultfloat(f)); |
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return upb_msgval_float(upb_fielddef_defaultfloat(f)); |
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@ -150,63 +158,45 @@ static upb_msgval upb_msgval_fromdefault(const upb_fielddef *f) { |
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/** upb_msglayout *************************************************************/ |
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/** upb_msglayout *************************************************************/ |
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struct upb_msglayout { |
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struct upb_msglayout { |
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upb_msgfactory *factory; |
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struct upb_msglayout_msginit_v1 data; |
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const upb_msgdef *msgdef; |
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size_t size; |
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size_t extdict_offset; |
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void *default_msg; |
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uint32_t *field_offsets; |
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uint32_t *case_offsets; |
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uint32_t *hasbits; |
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bool has_extdict; |
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uint8_t align; |
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}; |
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}; |
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static void upb_msg_checkfield(const upb_msglayout *l, const upb_fielddef *f) { |
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UPB_ASSERT(l->msgdef == upb_fielddef_containingtype(f)); |
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} |
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static void upb_msglayout_free(upb_msglayout *l) { |
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static void upb_msglayout_free(upb_msglayout *l) { |
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upb_gfree(l->default_msg); |
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upb_gfree(l->data.default_msg); |
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upb_gfree(l); |
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upb_gfree(l); |
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} |
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} |
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const upb_msgdef *upb_msglayout_msgdef(const upb_msglayout *l) { |
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return l->msgdef; |
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} |
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static size_t upb_msglayout_place(upb_msglayout *l, size_t size) { |
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static size_t upb_msglayout_place(upb_msglayout *l, size_t size) { |
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size_t ret; |
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size_t ret; |
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l->size = align_up(l->size, size); |
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l->data.size = align_up(l->data.size, size); |
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l->align = align_up(l->align, size); |
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l->data.align = align_up(l->data.align, size); |
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ret = l->size; |
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ret = l->data.size; |
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l->size += size; |
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l->data.size += size; |
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return ret; |
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return ret; |
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} |
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} |
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static uint32_t upb_msglayout_offset(const upb_msglayout *l, |
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static uint32_t upb_msglayout_offset(const upb_msglayout *l, |
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const upb_fielddef *f) { |
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const upb_fielddef *f) { |
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return l->field_offsets[upb_fielddef_index(f)]; |
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return l->data.fields[upb_fielddef_index(f)].offset; |
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} |
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} |
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static uint32_t upb_msglayout_hasbit(const upb_msglayout *l, |
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static uint32_t upb_msglayout_hasbit(const upb_msglayout *l, |
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const upb_fielddef *f) { |
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const upb_fielddef *f) { |
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return l->hasbits[upb_fielddef_index(f)]; |
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return l->data.fields[upb_fielddef_index(f)].hasbit; |
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} |
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} |
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static bool upb_msglayout_initdefault(upb_msglayout *l) { |
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static bool upb_msglayout_initdefault(upb_msglayout *l, const upb_msgdef *m) { |
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const upb_msgdef *m = l->msgdef; |
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upb_msg_field_iter it; |
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upb_msg_field_iter it; |
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if (upb_msgdef_syntax(m) == UPB_SYNTAX_PROTO2 && l->size) { |
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if (upb_msgdef_syntax(m) == UPB_SYNTAX_PROTO2 && l->data.size) { |
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/* Allocate default message and set default values in it. */ |
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/* Allocate default message and set default values in it. */ |
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l->default_msg = upb_gmalloc(l->size); |
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l->data.default_msg = upb_gmalloc(l->data.size); |
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if (!l->default_msg) { |
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if (!l->data.default_msg) { |
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return false; |
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return false; |
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} |
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} |
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memset(l->default_msg, 0, l->size); |
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memset(l->data.default_msg, 0, l->data.size); |
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for (upb_msg_field_begin(&it, m); !upb_msg_field_done(&it); |
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for (upb_msg_field_begin(&it, m); !upb_msg_field_done(&it); |
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upb_msg_field_next(&it)) { |
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upb_msg_field_next(&it)) { |
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@ -216,10 +206,14 @@ static bool upb_msglayout_initdefault(upb_msglayout *l) { |
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continue; |
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continue; |
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} |
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} |
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/* TODO(haberman): handle strings. */ |
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if (!upb_fielddef_isstring(f) && |
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if (!upb_fielddef_isstring(f) && |
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!upb_fielddef_issubmsg(f) && |
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!upb_fielddef_issubmsg(f) && |
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!upb_fielddef_isseq(f)) { |
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!upb_fielddef_isseq(f)) { |
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upb_msg_set(l->default_msg, f, upb_msgval_fromdefault(f), l); |
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upb_msg_set(l->data.default_msg, |
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upb_fielddef_index(f), |
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upb_msgval_fromdefault(f), |
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l); |
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} |
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} |
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} |
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} |
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} |
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} |
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@ -232,22 +226,46 @@ static upb_msglayout *upb_msglayout_new(const upb_msgdef *m) { |
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upb_msg_oneof_iter oit; |
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upb_msg_oneof_iter oit; |
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upb_msglayout *l; |
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upb_msglayout *l; |
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size_t hasbit; |
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size_t hasbit; |
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size_t array_size = upb_msgdef_numfields(m) + upb_msgdef_numoneofs(m); |
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size_t submsg_count = 0; |
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const upb_msglayout_msginit_v1 **submsgs; |
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upb_msglayout_fieldinit_v1 *fields; |
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upb_msglayout_oneofinit_v1 *oneofs; |
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if (upb_msgdef_syntax(m) == UPB_SYNTAX_PROTO2) { |
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for (upb_msg_field_begin(&it, m), hasbit = sizeof(void*) * 8; |
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array_size += upb_msgdef_numfields(m); /* hasbits. */ |
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!upb_msg_field_done(&it); |
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upb_msg_field_next(&it)) { |
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const upb_fielddef* f = upb_msg_iter_field(&it); |
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if (upb_fielddef_issubmsg(f)) { |
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submsg_count++; |
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} |
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} |
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} |
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l = upb_gmalloc(sizeof(*l) + (sizeof(uint32_t) * array_size)); |
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l = upb_gmalloc(sizeof(*l)); |
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if (!l) return NULL; |
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if (!l) return NULL; |
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memset(l, 0, sizeof(*l)); |
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memset(l, 0, sizeof(*l)); |
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l->msgdef = m; |
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fields = upb_gmalloc(upb_msgdef_numfields(m) * sizeof(*fields)); |
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l->align = 1; |
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submsgs = upb_gmalloc(submsg_count * sizeof(*submsgs)); |
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l->field_offsets = (uint32_t*)CHARPTR_AT(l, sizeof(*l)); |
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oneofs = upb_gmalloc(upb_msgdef_numoneofs(m) * sizeof(*oneofs)); |
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l->case_offsets = l->field_offsets + upb_msgdef_numfields(m); |
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l->hasbits = l->case_offsets + upb_msgdef_numoneofs(m); |
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if ((!fields && upb_msgdef_numfields(m)) || |
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(!submsgs && submsg_count) || |
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(!oneofs && upb_msgdef_numoneofs(m))) { |
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/* OOM. */ |
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upb_gfree(l); |
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upb_gfree(fields); |
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upb_gfree(submsgs); |
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upb_gfree(oneofs); |
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return NULL; |
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} |
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l->data.field_count = upb_msgdef_numfields(m); |
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l->data.oneof_count = upb_msgdef_numoneofs(m); |
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l->data.fields = fields; |
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l->data.submsgs = submsgs; |
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l->data.oneofs = oneofs; |
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l->data.is_proto2 = (upb_msgdef_syntax(m) == UPB_SYNTAX_PROTO2); |
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/* Allocate data offsets in three stages:
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/* Allocate data offsets in three stages:
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* |
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* |
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@ -258,74 +276,76 @@ static upb_msglayout *upb_msglayout_new(const upb_msgdef *m) { |
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* OPT: There is a lot of room for optimization here to minimize the size. |
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* OPT: There is a lot of room for optimization here to minimize the size. |
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*/ |
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*/ |
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/* Allocate hasbits. Start at sizeof(void*) for upb_alloc*. */ |
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/* Allocate hasbits and set basic field attributes. */ |
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for (upb_msg_field_begin(&it, m), hasbit = sizeof(void*) * 8; |
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for (upb_msg_field_begin(&it, m), hasbit = 0; |
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!upb_msg_field_done(&it); |
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!upb_msg_field_done(&it); |
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upb_msg_field_next(&it)) { |
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upb_msg_field_next(&it)) { |
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const upb_fielddef* f = upb_msg_iter_field(&it); |
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const upb_fielddef* f = upb_msg_iter_field(&it); |
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upb_msglayout_fieldinit_v1 *field = &fields[upb_fielddef_index(f)]; |
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field->number = upb_fielddef_number(f); |
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field->type = upb_fielddef_type(f); |
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field->label = upb_fielddef_label(f); |
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if (upb_fielddef_containingoneof(f)) { |
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field->oneof_index = upb_oneofdef_index(upb_fielddef_containingoneof(f)); |
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} else { |
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field->oneof_index = UPB_NOT_IN_ONEOF; |
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} |
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if (upb_fielddef_haspresence(f) && !upb_fielddef_containingoneof(f)) { |
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if (upb_fielddef_haspresence(f) && !upb_fielddef_containingoneof(f)) { |
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l->hasbits[upb_fielddef_index(f)] = hasbit++; |
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field->hasbit = hasbit++; |
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} |
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} |
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} |
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} |
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/* Account for space used by hasbits. */ |
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/* Account for space used by hasbits. */ |
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l->size = div_round_up(hasbit, 8); |
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l->data.size = div_round_up(hasbit, 8); |
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l->data.align = 1; |
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/* Allocate non-oneof fields. */ |
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/* Allocate non-oneof fields. */ |
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for (upb_msg_field_begin(&it, m); !upb_msg_field_done(&it); |
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for (upb_msg_field_begin(&it, m); !upb_msg_field_done(&it); |
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upb_msg_field_next(&it)) { |
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upb_msg_field_next(&it)) { |
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const upb_fielddef* f = upb_msg_iter_field(&it); |
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const upb_fielddef* f = upb_msg_iter_field(&it); |
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size_t field_size = upb_msg_fieldsize(f); |
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size_t field_size = upb_msg_fielddefsize(f); |
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size_t index = upb_fielddef_index(f); |
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size_t index = upb_fielddef_index(f); |
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if (upb_fielddef_containingoneof(f)) { |
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if (upb_fielddef_containingoneof(f)) { |
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/* Oneofs are handled separately below. */ |
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/* Oneofs are handled separately below. */ |
|
|
|
continue; |
|
|
|
continue; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
l->field_offsets[index] = upb_msglayout_place(l, field_size); |
|
|
|
fields[index].offset = upb_msglayout_place(l, field_size); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/* Allocate oneof fields. Each oneof field consists of a uint32 for the case
|
|
|
|
/* Allocate oneof fields. Each oneof field consists of a uint32 for the case
|
|
|
|
* and space for the actual data. */ |
|
|
|
* and space for the actual data. */ |
|
|
|
for (upb_msg_oneof_begin(&oit, m); !upb_msg_oneof_done(&oit); |
|
|
|
for (upb_msg_oneof_begin(&oit, m); !upb_msg_oneof_done(&oit); |
|
|
|
upb_msg_oneof_next(&oit)) { |
|
|
|
upb_msg_oneof_next(&oit)) { |
|
|
|
const upb_oneofdef* oneof = upb_msg_iter_oneof(&oit); |
|
|
|
const upb_oneofdef* o = upb_msg_iter_oneof(&oit); |
|
|
|
upb_oneof_iter fit; |
|
|
|
upb_oneof_iter fit; |
|
|
|
|
|
|
|
|
|
|
|
size_t case_size = sizeof(uint32_t); /* Could potentially optimize this. */ |
|
|
|
size_t case_size = sizeof(uint32_t); /* Could potentially optimize this. */ |
|
|
|
|
|
|
|
upb_msglayout_oneofinit_v1 *oneof = &oneofs[upb_oneofdef_index(o)]; |
|
|
|
size_t field_size = 0; |
|
|
|
size_t field_size = 0; |
|
|
|
size_t case_offset; |
|
|
|
|
|
|
|
size_t val_offset; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Calculate field size: the max of all field sizes. */ |
|
|
|
/* Calculate field size: the max of all field sizes. */ |
|
|
|
for (upb_oneof_begin(&fit, oneof); |
|
|
|
for (upb_oneof_begin(&fit, o); |
|
|
|
!upb_oneof_done(&fit); |
|
|
|
!upb_oneof_done(&fit); |
|
|
|
upb_oneof_next(&fit)) { |
|
|
|
upb_oneof_next(&fit)) { |
|
|
|
const upb_fielddef* f = upb_oneof_iter_field(&fit); |
|
|
|
const upb_fielddef* f = upb_oneof_iter_field(&fit); |
|
|
|
field_size = UPB_MAX(field_size, upb_msg_fieldsize(f)); |
|
|
|
field_size = UPB_MAX(field_size, upb_msg_fielddefsize(f)); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/* Align and allocate case offset. */ |
|
|
|
/* Align and allocate case offset. */ |
|
|
|
case_offset = upb_msglayout_place(l, case_size); |
|
|
|
oneof->case_offset = upb_msglayout_place(l, case_size); |
|
|
|
val_offset = upb_msglayout_place(l, field_size); |
|
|
|
oneof->data_offset = upb_msglayout_place(l, field_size); |
|
|
|
|
|
|
|
|
|
|
|
l->case_offsets[upb_oneofdef_index(oneof)] = case_offset; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Assign all fields in the oneof this same offset. */ |
|
|
|
|
|
|
|
for (upb_oneof_begin(&fit, oneof); !upb_oneof_done(&fit); |
|
|
|
|
|
|
|
upb_oneof_next(&fit)) { |
|
|
|
|
|
|
|
const upb_fielddef* f = upb_oneof_iter_field(&fit); |
|
|
|
|
|
|
|
l->field_offsets[upb_fielddef_index(f)] = val_offset; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/* Size of the entire structure should be a multiple of its greatest
|
|
|
|
/* Size of the entire structure should be a multiple of its greatest
|
|
|
|
* alignment. */ |
|
|
|
* alignment. */ |
|
|
|
l->size = align_up(l->size, l->align); |
|
|
|
l->data.size = align_up(l->data.size, l->data.align); |
|
|
|
|
|
|
|
|
|
|
|
if (upb_msglayout_initdefault(l)) { |
|
|
|
if (upb_msglayout_initdefault(l, m)) { |
|
|
|
return l; |
|
|
|
return l; |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
upb_msglayout_free(l); |
|
|
|
upb_msglayout_free(l); |
|
|
|
@ -333,10 +353,6 @@ static upb_msglayout *upb_msglayout_new(const upb_msgdef *m) { |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
upb_msgfactory *upb_msglayout_factory(const upb_msglayout *layout) { |
|
|
|
|
|
|
|
return layout->factory; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** upb_msgfactory ************************************************************/ |
|
|
|
/** upb_msgfactory ************************************************************/ |
|
|
|
|
|
|
|
|
|
|
|
@ -393,7 +409,6 @@ const upb_msglayout *upb_msgfactory_getlayout(upb_msgfactory *f, |
|
|
|
upb_msglayout *l = upb_msglayout_new(m); |
|
|
|
upb_msglayout *l = upb_msglayout_new(m); |
|
|
|
upb_inttable_insertptr(&mutable_f->layouts, m, upb_value_ptr(l)); |
|
|
|
upb_inttable_insertptr(&mutable_f->layouts, m, upb_value_ptr(l)); |
|
|
|
UPB_ASSERT(l); |
|
|
|
UPB_ASSERT(l); |
|
|
|
l->factory = f; |
|
|
|
|
|
|
|
return l; |
|
|
|
return l; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
@ -402,8 +417,7 @@ const upb_msglayout *upb_msgfactory_getlayout(upb_msgfactory *f, |
|
|
|
|
|
|
|
|
|
|
|
void *upb_msg_startstr(void *msg, const void *hd, size_t size_hint) { |
|
|
|
void *upb_msg_startstr(void *msg, const void *hd, size_t size_hint) { |
|
|
|
uint32_t ofs = (uintptr_t)hd; |
|
|
|
uint32_t ofs = (uintptr_t)hd; |
|
|
|
/* We pass NULL here because we know we can get away with it. */ |
|
|
|
upb_alloc *alloc = upb_msg_alloc(msg); |
|
|
|
upb_alloc *alloc = upb_msg_alloc(msg, NULL); |
|
|
|
|
|
|
|
upb_msgval val; |
|
|
|
upb_msgval val; |
|
|
|
UPB_UNUSED(size_hint); |
|
|
|
UPB_UNUSED(size_hint); |
|
|
|
|
|
|
|
|
|
|
|
@ -420,8 +434,7 @@ void *upb_msg_startstr(void *msg, const void *hd, size_t size_hint) { |
|
|
|
size_t upb_msg_str(void *msg, const void *hd, const char *ptr, size_t size, |
|
|
|
size_t upb_msg_str(void *msg, const void *hd, const char *ptr, size_t size, |
|
|
|
const upb_bufhandle *handle) { |
|
|
|
const upb_bufhandle *handle) { |
|
|
|
uint32_t ofs = (uintptr_t)hd; |
|
|
|
uint32_t ofs = (uintptr_t)hd; |
|
|
|
/* We pass NULL here because we know we can get away with it. */ |
|
|
|
upb_alloc *alloc = upb_msg_alloc(msg); |
|
|
|
upb_alloc *alloc = upb_msg_alloc(msg, NULL); |
|
|
|
|
|
|
|
upb_msgval val; |
|
|
|
upb_msgval val; |
|
|
|
size_t newsize; |
|
|
|
size_t newsize; |
|
|
|
UPB_UNUSED(handle); |
|
|
|
UPB_UNUSED(handle); |
|
|
|
@ -501,13 +514,14 @@ static upb_selector_t getsel2(const upb_fielddef *f, upb_handlertype_t type) { |
|
|
|
|
|
|
|
|
|
|
|
static bool upb_visitor_hasfield(const upb_msg *msg, const upb_fielddef *f, |
|
|
|
static bool upb_visitor_hasfield(const upb_msg *msg, const upb_fielddef *f, |
|
|
|
const upb_msglayout *layout) { |
|
|
|
const upb_msglayout *layout) { |
|
|
|
|
|
|
|
int field_index = upb_fielddef_index(f); |
|
|
|
if (upb_fielddef_isseq(f)) { |
|
|
|
if (upb_fielddef_isseq(f)) { |
|
|
|
return upb_msgval_getarr(upb_msg_get(msg, f, layout)) != NULL; |
|
|
|
return upb_msgval_getarr(upb_msg_get(msg, field_index, layout)) != NULL; |
|
|
|
} else if (upb_msgdef_syntax(upb_fielddef_containingtype(f)) == |
|
|
|
} else if (upb_msgdef_syntax(upb_fielddef_containingtype(f)) == |
|
|
|
UPB_SYNTAX_PROTO2) { |
|
|
|
UPB_SYNTAX_PROTO2) { |
|
|
|
return upb_msg_has(msg, f, layout); |
|
|
|
return upb_msg_has(msg, field_index, layout); |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
upb_msgval val = upb_msg_get(msg, f, layout); |
|
|
|
upb_msgval val = upb_msg_get(msg, field_index, layout); |
|
|
|
switch (upb_fielddef_type(f)) { |
|
|
|
switch (upb_fielddef_type(f)) { |
|
|
|
case UPB_TYPE_FLOAT: |
|
|
|
case UPB_TYPE_FLOAT: |
|
|
|
return upb_msgval_getfloat(val) != 0; |
|
|
|
return upb_msgval_getfloat(val) != 0; |
|
|
|
@ -537,7 +551,7 @@ static bool upb_visitor_hasfield(const upb_msg *msg, const upb_fielddef *f, |
|
|
|
static bool upb_visitor_visitmsg2(const upb_msg *msg, |
|
|
|
static bool upb_visitor_visitmsg2(const upb_msg *msg, |
|
|
|
const upb_msglayout *layout, upb_sink *sink, |
|
|
|
const upb_msglayout *layout, upb_sink *sink, |
|
|
|
int depth) { |
|
|
|
int depth) { |
|
|
|
const upb_msgdef *md = upb_msglayout_msgdef(layout); |
|
|
|
const upb_msgdef *md = upb_handlers_msgdef(sink->handlers); |
|
|
|
upb_msg_field_iter i; |
|
|
|
upb_msg_field_iter i; |
|
|
|
upb_status status; |
|
|
|
upb_status status; |
|
|
|
|
|
|
|
|
|
|
|
@ -559,7 +573,7 @@ static bool upb_visitor_visitmsg2(const upb_msg *msg, |
|
|
|
continue; |
|
|
|
continue; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
val = upb_msg_get(msg, f, layout); |
|
|
|
val = upb_msg_get(msg, upb_fielddef_index(f), layout); |
|
|
|
|
|
|
|
|
|
|
|
if (upb_fielddef_isseq(f)) { |
|
|
|
if (upb_fielddef_isseq(f)) { |
|
|
|
const upb_array *arr = upb_msgval_getarr(val); |
|
|
|
const upb_array *arr = upb_msgval_getarr(val); |
|
|
|
@ -628,180 +642,155 @@ bool upb_visitor_visitmsg(upb_visitor *visitor, const upb_msg *msg) { |
|
|
|
/* If we always read/write as a consistent type to each address, this shouldn't
|
|
|
|
/* If we always read/write as a consistent type to each address, this shouldn't
|
|
|
|
* violate aliasing. |
|
|
|
* violate aliasing. |
|
|
|
*/ |
|
|
|
*/ |
|
|
|
#define DEREF(msg, ofs, type) *(type*)CHARPTR_AT(msg, ofs) |
|
|
|
#define DEREF(msg, ofs, type) *PTR_AT(msg, ofs, type) |
|
|
|
|
|
|
|
|
|
|
|
static upb_inttable *upb_msg_trygetextdict(const upb_msg *msg, |
|
|
|
|
|
|
|
const upb_msglayout *l) { |
|
|
|
|
|
|
|
return l->has_extdict ? DEREF(msg, l->extdict_offset, upb_inttable*) : NULL; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static upb_inttable *upb_msg_getextdict(upb_msg *msg, |
|
|
|
/* Internal members of a upb_msg. We can change this without breaking binary
|
|
|
|
const upb_msglayout *l, |
|
|
|
* compatibility. We put these before the user's data. The user's upb_msg* |
|
|
|
upb_alloc *a) { |
|
|
|
* points after the upb_msg_internal. */ |
|
|
|
upb_inttable *ext_dict; |
|
|
|
|
|
|
|
UPB_ASSERT(l->has_extdict); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ext_dict = upb_msg_trygetextdict(msg, l); |
|
|
|
/* Used when a message is not extendable. */ |
|
|
|
|
|
|
|
typedef struct { |
|
|
|
|
|
|
|
/* TODO(haberman): add unknown fields. */ |
|
|
|
|
|
|
|
upb_alloc *alloc; |
|
|
|
|
|
|
|
} upb_msg_internal; |
|
|
|
|
|
|
|
|
|
|
|
if (!ext_dict) { |
|
|
|
/* Used when a message is extendable. */ |
|
|
|
ext_dict = upb_malloc(a, sizeof(upb_inttable)); |
|
|
|
typedef struct { |
|
|
|
|
|
|
|
upb_inttable *extdict; |
|
|
|
|
|
|
|
upb_msg_internal base; |
|
|
|
|
|
|
|
} upb_msg_internal_withext; |
|
|
|
|
|
|
|
|
|
|
|
if (!ext_dict) { |
|
|
|
static int upb_msg_internalsize(const upb_msglayout *l) { |
|
|
|
return NULL; |
|
|
|
return sizeof(upb_msg_internal) - l->data.extendable * sizeof(void*); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/* Use an 8-byte type to ensure all bytes are copied. */ |
|
|
|
static upb_msg_internal *upb_msg_getinternal(upb_msg *msg) { |
|
|
|
if (!upb_inttable_init2(ext_dict, UPB_CTYPE_INT64, a)) { |
|
|
|
return VOIDPTR_AT(msg, -sizeof(upb_msg_internal)); |
|
|
|
upb_free(a, ext_dict); |
|
|
|
} |
|
|
|
return NULL; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
DEREF(msg, l->extdict_offset, upb_inttable*) = ext_dict; |
|
|
|
static const upb_msg_internal *upb_msg_getinternal_const(const upb_msg *msg) { |
|
|
|
} |
|
|
|
return VOIDPTR_AT(msg, -sizeof(upb_msg_internal)); |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
return ext_dict; |
|
|
|
static upb_msg_internal_withext *upb_msg_getinternalwithext( |
|
|
|
|
|
|
|
upb_msg *msg, const upb_msglayout *l) { |
|
|
|
|
|
|
|
UPB_ASSERT(l->data.extendable); |
|
|
|
|
|
|
|
return VOIDPTR_AT(msg, -sizeof(upb_msg_internal_withext)); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static uint32_t upb_msg_getoneofint(const upb_msg *msg, |
|
|
|
static const upb_msglayout_fieldinit_v1 *upb_msg_checkfield( |
|
|
|
const upb_oneofdef *o, |
|
|
|
int field_index, const upb_msglayout *l) { |
|
|
|
const upb_msglayout *l) { |
|
|
|
UPB_ASSERT(field_index >= 0 && field_index < l->data.field_count); |
|
|
|
size_t oneof_ofs = l->case_offsets[upb_oneofdef_index(o)]; |
|
|
|
return &l->data.fields[field_index]; |
|
|
|
return DEREF(msg, oneof_ofs, uint8_t); |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static void upb_msg_setoneofcase(const upb_msg *msg, |
|
|
|
static bool upb_msg_inoneof(const upb_msglayout_fieldinit_v1 *field) { |
|
|
|
const upb_oneofdef *o, |
|
|
|
return field->oneof_index != UPB_NOT_IN_ONEOF; |
|
|
|
const upb_msglayout *l, |
|
|
|
|
|
|
|
uint32_t val) { |
|
|
|
|
|
|
|
size_t oneof_ofs = l->case_offsets[upb_oneofdef_index(o)]; |
|
|
|
|
|
|
|
DEREF(msg, oneof_ofs, uint8_t) = val; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static uint32_t *upb_msg_oneofcase(const upb_msg *msg, int field_index, |
|
|
|
|
|
|
|
const upb_msglayout *l) { |
|
|
|
|
|
|
|
const upb_msglayout_fieldinit_v1 *field = upb_msg_checkfield(field_index, l); |
|
|
|
|
|
|
|
UPB_ASSERT(upb_msg_inoneof(field)); |
|
|
|
|
|
|
|
return PTR_AT(msg, l->data.oneofs[field->oneof_index].case_offset, uint32_t); |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static bool upb_msg_oneofis(const upb_msg *msg, const upb_msglayout *l, |
|
|
|
size_t upb_msg_sizeof(const upb_msglayout *l) { |
|
|
|
const upb_oneofdef *o, const upb_fielddef *f) { |
|
|
|
return l->data.size + upb_msg_internalsize(l); |
|
|
|
return upb_msg_getoneofint(msg, o, l) == upb_fielddef_number(f); |
|
|
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} |
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} |
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size_t upb_msg_sizeof(const upb_msglayout *l) { return l->size; } |
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upb_msg *upb_msg_init(void *mem, const upb_msglayout *l, upb_alloc *a) { |
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upb_msg *msg = VOIDPTR_AT(mem, upb_msg_internalsize(l)); |
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void upb_msg_init(upb_msg *msg, const upb_msglayout *l, upb_alloc *a) { |
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/* Initialize normal members. */ |
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if (l->default_msg) { |
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if (l->data.default_msg) { |
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memcpy(msg, l->default_msg, l->size); |
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memcpy(msg, l->data.default_msg, l->data.size); |
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} else { |
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} else { |
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memset(msg, 0, l->size); |
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memset(msg, 0, l->data.size); |
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} |
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} |
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/* Set arena pointer. */ |
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/* Initialize internal members. */ |
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memcpy(msg, &a, sizeof(a)); |
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upb_msg_getinternal(msg)->alloc = a; |
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} |
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void upb_msg_uninit(upb_msg *msg, const upb_msglayout *l) { |
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if (l->data.extendable) { |
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upb_inttable *ext_dict = upb_msg_trygetextdict(msg, l); |
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upb_msg_getinternalwithext(msg, l)->extdict = NULL; |
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if (ext_dict) { |
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upb_inttable_uninit2(ext_dict, upb_msg_alloc(msg, l)); |
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} |
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} |
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} |
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upb_msg *upb_msg_new(const upb_msglayout *l, upb_alloc *a) { |
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return msg; |
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upb_msg *msg = upb_malloc(a, upb_msg_sizeof(l)); |
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} |
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if (msg) { |
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void *upb_msg_uninit(upb_msg *msg, const upb_msglayout *l) { |
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upb_msg_init(msg, l, a); |
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if (l->data.extendable) { |
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upb_inttable *ext_dict = upb_msg_getinternalwithext(msg, l)->extdict; |
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if (ext_dict) { |
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upb_inttable_uninit2(ext_dict, upb_msg_alloc(msg)); |
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upb_free(upb_msg_alloc(msg), ext_dict); |
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} |
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} |
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} |
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return msg; |
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return VOIDPTR_AT(msg, -upb_msg_internalsize(l)); |
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} |
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upb_msg *upb_msg_new(const upb_msglayout *l, upb_alloc *a) { |
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void *mem = upb_malloc(a, upb_msg_sizeof(l)); |
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return mem ? upb_msg_init(mem, l, a) : NULL; |
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} |
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} |
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void upb_msg_free(upb_msg *msg, const upb_msglayout *l) { |
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void upb_msg_free(upb_msg *msg, const upb_msglayout *l) { |
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upb_msg_uninit(msg, l); |
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upb_free(upb_msg_alloc(msg), upb_msg_uninit(msg, l)); |
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upb_free(upb_msg_alloc(msg, l), msg); |
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} |
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} |
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upb_alloc *upb_msg_alloc(const upb_msg *msg, const upb_msglayout *l) { |
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upb_alloc *upb_msg_alloc(const upb_msg *msg) { |
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upb_alloc *alloc; |
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return upb_msg_getinternal_const(msg)->alloc; |
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UPB_UNUSED(l); |
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memcpy(&alloc, msg, sizeof(alloc)); |
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return alloc; |
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} |
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} |
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bool upb_msg_has(const upb_msg *msg, |
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bool upb_msg_has(const upb_msg *msg, |
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const upb_fielddef *f, |
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int field_index, |
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const upb_msglayout *l) { |
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const upb_msglayout *l) { |
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const upb_oneofdef *o; |
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const upb_msglayout_fieldinit_v1 *field = upb_msg_checkfield(field_index, l); |
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upb_msg_checkfield(l, f); |
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UPB_ASSERT(upb_fielddef_haspresence(f)); |
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UPB_ASSERT(l->data.is_proto2); |
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if (upb_fielddef_isextension(f)) { |
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if (upb_msg_inoneof(field)) { |
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/* Extensions are set when they are present in the extension dict. */ |
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upb_inttable *ext_dict = upb_msg_trygetextdict(msg, l); |
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upb_value v; |
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return ext_dict != NULL && |
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upb_inttable_lookup32(ext_dict, upb_fielddef_number(f), &v); |
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} else if ((o = upb_fielddef_containingoneof(f)) != NULL) { |
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/* Oneofs are set when the oneof number is set to this field. */ |
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/* Oneofs are set when the oneof number is set to this field. */ |
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return upb_msg_getoneofint(msg, o, l) == upb_fielddef_number(f); |
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return *upb_msg_oneofcase(msg, field_index, l) == field->number; |
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} else { |
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} else { |
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/* Other fields are set when their hasbit is set. */ |
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|
/* Other fields are set when their hasbit is set. */ |
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uint32_t hasbit = l->hasbits[upb_fielddef_index(f)]; |
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uint32_t hasbit = l->data.fields[field_index].hasbit; |
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return DEREF(msg, hasbit / 8, char) | (1 << (hasbit % 8)); |
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return DEREF(msg, hasbit / 8, char) | (1 << (hasbit % 8)); |
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} |
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} |
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} |
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} |
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upb_msgval upb_msg_get(const upb_msg *msg, const upb_fielddef *f, |
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upb_msgval upb_msg_get(const upb_msg *msg, int field_index, |
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const upb_msglayout *l) { |
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|
const upb_msglayout *l) { |
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|
upb_msg_checkfield(l, f); |
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|
const upb_msglayout_fieldinit_v1 *field = upb_msg_checkfield(field_index, l); |
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int size = upb_msg_fieldsize(field); |
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if (upb_fielddef_isextension(f)) { |
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|
if (upb_msg_inoneof(field)) { |
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|
upb_inttable *ext_dict = upb_msg_trygetextdict(msg, l); |
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|
if (*upb_msg_oneofcase(msg, field_index, l) == field->number) { |
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|
|
upb_value val; |
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|
|
size_t ofs = l->data.oneofs[field->oneof_index].data_offset; |
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|
|
if (upb_inttable_lookup32(ext_dict, upb_fielddef_number(f), &val)) { |
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|
|
return upb_msgval_read(msg, ofs, size); |
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|
return upb_msgval_fromval(val); |
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|
|
} else { |
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|
|
} else { |
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|
|
return upb_msgval_fromdefault(f); |
|
|
|
/* Return default. */ |
|
|
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|
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|
|
return upb_msgval_read(l->data.default_msg, field->offset, size); |
|
|
|
} |
|
|
|
} |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
size_t ofs = l->field_offsets[upb_fielddef_index(f)]; |
|
|
|
return upb_msgval_read(msg, field->offset, size); |
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|
|
const upb_oneofdef *o = upb_fielddef_containingoneof(f); |
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|
|
upb_msgval ret; |
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|
|
if (o && !upb_msg_oneofis(msg, l, o, f)) { |
|
|
|
|
|
|
|
/* Oneof defaults can't come from the message because the memory is reused
|
|
|
|
|
|
|
|
* by all types in the oneof. */ |
|
|
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|
|
|
|
return upb_msgval_fromdefault(f); |
|
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|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ret = upb_msgval_read(msg, ofs, upb_msg_fieldsize(f)); |
|
|
|
|
|
|
|
return ret; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
bool upb_msg_set(upb_msg *msg, |
|
|
|
void upb_msg_set(upb_msg *msg, int field_index, upb_msgval val, |
|
|
|
const upb_fielddef *f, |
|
|
|
|
|
|
|
upb_msgval val, |
|
|
|
|
|
|
|
const upb_msglayout *l) { |
|
|
|
const upb_msglayout *l) { |
|
|
|
upb_alloc *a = upb_msg_alloc(msg, l); |
|
|
|
const upb_msglayout_fieldinit_v1 *field = upb_msg_checkfield(field_index, l); |
|
|
|
upb_msg_checkfield(l, f); |
|
|
|
int size = upb_msg_fieldsize(field); |
|
|
|
|
|
|
|
|
|
|
|
if (upb_fielddef_isextension(f)) { |
|
|
|
|
|
|
|
/* TODO(haberman): introduce table API that can do this in one call. */ |
|
|
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|
|
|
|
upb_inttable *ext = upb_msg_getextdict(msg, l, a); |
|
|
|
|
|
|
|
upb_value val2 = upb_toval(val); |
|
|
|
|
|
|
|
if (!upb_inttable_replace(ext, upb_fielddef_number(f), val2) && |
|
|
|
|
|
|
|
!upb_inttable_insert2(ext, upb_fielddef_number(f), val2, a)) { |
|
|
|
|
|
|
|
return false; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} else { |
|
|
|
|
|
|
|
size_t ofs = l->field_offsets[upb_fielddef_index(f)]; |
|
|
|
|
|
|
|
const upb_oneofdef *o = upb_fielddef_containingoneof(f); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (o) { |
|
|
|
if (upb_msg_inoneof(field)) { |
|
|
|
upb_msg_setoneofcase(msg, o, l, upb_fielddef_number(f)); |
|
|
|
size_t ofs = l->data.oneofs[field->oneof_index].data_offset; |
|
|
|
} |
|
|
|
*upb_msg_oneofcase(msg, field_index, l) = field->number; |
|
|
|
|
|
|
|
upb_msgval_write(msg, ofs, val, size); |
|
|
|
upb_msgval_write(msg, ofs, val, upb_msg_fieldsize(f)); |
|
|
|
} else { |
|
|
|
|
|
|
|
upb_msgval_write(msg, field->offset, val, size); |
|
|
|
} |
|
|
|
} |
|
|
|
return true; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
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Joshua Haberman
8 years ago
committed by
GitHub