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Diffstat (limited to 'php/ext/google/protobuf/storage.c')
-rw-r--r--php/ext/google/protobuf/storage.c539
1 files changed, 0 insertions, 539 deletions
diff --git a/php/ext/google/protobuf/storage.c b/php/ext/google/protobuf/storage.c
deleted file mode 100644
index e5a09c17..00000000
--- a/php/ext/google/protobuf/storage.c
+++ /dev/null
@@ -1,539 +0,0 @@
-#include <stdint.h>
-#include <protobuf.h>
-
-// -----------------------------------------------------------------------------
-// PHP <-> native slot management.
-// -----------------------------------------------------------------------------
-
-static zval* int32_to_zval(int32_t value) {
- zval* tmp;
- MAKE_STD_ZVAL(tmp);
- ZVAL_LONG(tmp, value);
- php_printf("int32 to zval\n");
- // ZVAL_LONG(tmp, 1);
- return tmp;
-}
-
-#define DEREF(memory, type) *(type*)(memory)
-
-size_t native_slot_size(upb_fieldtype_t type) {
- switch (type) {
- case UPB_TYPE_FLOAT: return 4;
- case UPB_TYPE_DOUBLE: return 8;
- case UPB_TYPE_BOOL: return 1;
- case UPB_TYPE_STRING: return sizeof(zval*);
- case UPB_TYPE_BYTES: return sizeof(zval*);
- case UPB_TYPE_MESSAGE: return sizeof(zval*);
- case UPB_TYPE_ENUM: return 4;
- case UPB_TYPE_INT32: return 4;
- case UPB_TYPE_INT64: return 8;
- case UPB_TYPE_UINT32: return 4;
- case UPB_TYPE_UINT64: return 8;
- default: return 0;
- }
-}
-
-static bool is_php_num(zval* value) {
- // Is numerial string also valid?
- return (Z_TYPE_P(value) == IS_LONG ||
- Z_TYPE_P(value) == IS_DOUBLE);
-}
-
-void native_slot_check_int_range_precision(upb_fieldtype_t type, zval* val) {
- // TODO(teboring): Add it back.
- // if (!is_php_num(val)) {
- // zend_error(E_ERROR, "Expected number type for integral field.");
- // }
-
- // if (Z_TYPE_P(val) == IS_DOUBLE) {
- // double dbl_val = NUM2DBL(val);
- // if (floor(dbl_val) != dbl_val) {
- // zend_error(E_ERROR,
- // "Non-integral floating point value assigned to integer field.");
- // }
- // }
- // if (type == UPB_TYPE_UINT32 || type == UPB_TYPE_UINT64) {
- // if (NUM2DBL(val) < 0) {
- // zend_error(E_ERROR,
- // "Assigning negative value to unsigned integer field.");
- // }
- // }
-}
-
-zval* native_slot_get(upb_fieldtype_t type, /*VALUE type_class,*/
- const void* memory TSRMLS_DC) {
- zval* retval = NULL;
- switch (type) {
- // TODO(teboring): Add it back.
- // case UPB_TYPE_FLOAT:
- // return DBL2NUM(DEREF(memory, float));
- // case UPB_TYPE_DOUBLE:
- // return DBL2NUM(DEREF(memory, double));
- // case UPB_TYPE_BOOL:
- // return DEREF(memory, int8_t) ? Qtrue : Qfalse;
- // case UPB_TYPE_STRING:
- // case UPB_TYPE_BYTES:
- // case UPB_TYPE_MESSAGE:
- // return DEREF(memory, VALUE);
- // case UPB_TYPE_ENUM: {
- // int32_t val = DEREF(memory, int32_t);
- // VALUE symbol = enum_lookup(type_class, INT2NUM(val));
- // if (symbol == Qnil) {
- // return INT2NUM(val);
- // } else {
- // return symbol;
- // }
- // }
- case UPB_TYPE_INT32:
- return int32_to_zval(DEREF(memory, int32_t));
- // TODO(teboring): Add it back.
- // case UPB_TYPE_INT64:
- // return LL2NUM(DEREF(memory, int64_t));
- // case UPB_TYPE_UINT32:
- // return UINT2NUM(DEREF(memory, uint32_t));
- // case UPB_TYPE_UINT64:
- // return ULL2NUM(DEREF(memory, uint64_t));
- default:
- return EG(uninitialized_zval_ptr);
- }
-}
-
-void native_slot_init(upb_fieldtype_t type, void* memory) {
- switch (type) {
- case UPB_TYPE_FLOAT:
- DEREF(memory, float) = 0.0;
- break;
- case UPB_TYPE_DOUBLE:
- DEREF(memory, double) = 0.0;
- break;
- case UPB_TYPE_BOOL:
- DEREF(memory, int8_t) = 0;
- break;
- // TODO(teboring): Add it back.
- // case UPB_TYPE_STRING:
- // case UPB_TYPE_BYTES:
- // DEREF(memory, VALUE) = php_str_new2("");
- // php_enc_associate(DEREF(memory, VALUE), (type == UPB_TYPE_BYTES)
- // ? kRubyString8bitEncoding
- // : kRubyStringUtf8Encoding);
- // break;
- // case UPB_TYPE_MESSAGE:
- // DEREF(memory, VALUE) = Qnil;
- // break;
- case UPB_TYPE_ENUM:
- case UPB_TYPE_INT32:
- DEREF(memory, int32_t) = 0;
- break;
- case UPB_TYPE_INT64:
- DEREF(memory, int64_t) = 0;
- break;
- case UPB_TYPE_UINT32:
- DEREF(memory, uint32_t) = 0;
- break;
- case UPB_TYPE_UINT64:
- DEREF(memory, uint64_t) = 0;
- break;
- default:
- break;
- }
-}
-
-void native_slot_set(upb_fieldtype_t type, /*VALUE type_class,*/ void* memory,
- zval* value) {
- native_slot_set_value_and_case(type, /*type_class,*/ memory, value, NULL, 0);
-}
-
-void native_slot_set_value_and_case(upb_fieldtype_t type, /*VALUE type_class,*/
- void* memory, zval* value,
- uint32_t* case_memory,
- uint32_t case_number) {
- switch (type) {
- case UPB_TYPE_FLOAT:
- if (!Z_TYPE_P(value) == IS_LONG) {
- zend_error(E_ERROR, "Expected number type for float field.");
- }
- DEREF(memory, float) = Z_DVAL_P(value);
- break;
- case UPB_TYPE_DOUBLE:
- // TODO(teboring): Add it back.
- // if (!is_php_num(value)) {
- // zend_error(E_ERROR, "Expected number type for double field.");
- // }
- // DEREF(memory, double) = Z_DVAL_P(value);
- break;
- case UPB_TYPE_BOOL: {
- int8_t val = -1;
- if (zval_is_true(value)) {
- val = 1;
- } else {
- val = 0;
- }
- // TODO(teboring): Add it back.
- // else if (value == Qfalse) {
- // val = 0;
- // }
- // else {
- // php_raise(php_eTypeError, "Invalid argument for boolean field.");
- // }
- DEREF(memory, int8_t) = val;
- break;
- }
- case UPB_TYPE_STRING:
- case UPB_TYPE_BYTES: {
- // TODO(teboring): Add it back.
- // if (Z_TYPE_P(value) != IS_STRING) {
- // zend_error(E_ERROR, "Invalid argument for string field.");
- // }
- // native_slot_validate_string_encoding(type, value);
- // DEREF(memory, zval*) = value;
- break;
- }
- case UPB_TYPE_MESSAGE: {
- // TODO(teboring): Add it back.
- // if (CLASS_OF(value) == CLASS_OF(Qnil)) {
- // value = Qnil;
- // } else if (CLASS_OF(value) != type_class) {
- // php_raise(php_eTypeError,
- // "Invalid type %s to assign to submessage field.",
- // php_class2name(CLASS_OF(value)));
- // }
- // DEREF(memory, VALUE) = value;
- break;
- }
- case UPB_TYPE_ENUM: {
- // TODO(teboring): Add it back.
- // int32_t int_val = 0;
- // if (!is_php_num(value) && TYPE(value) != T_SYMBOL) {
- // php_raise(php_eTypeError,
- // "Expected number or symbol type for enum field.");
- // }
- // if (TYPE(value) == T_SYMBOL) {
- // // Ensure that the given symbol exists in the enum module.
- // VALUE lookup = php_funcall(type_class, php_intern("resolve"), 1, value);
- // if (lookup == Qnil) {
- // php_raise(php_eRangeError, "Unknown symbol value for enum field.");
- // } else {
- // int_val = NUM2INT(lookup);
- // }
- // } else {
- // native_slot_check_int_range_precision(UPB_TYPE_INT32, value);
- // int_val = NUM2INT(value);
- // }
- // DEREF(memory, int32_t) = int_val;
- // break;
- }
- case UPB_TYPE_INT32:
- case UPB_TYPE_INT64:
- case UPB_TYPE_UINT32:
- case UPB_TYPE_UINT64:
- native_slot_check_int_range_precision(type, value);
- switch (type) {
- case UPB_TYPE_INT32:
- php_printf("Setting INT32 field\n");
- DEREF(memory, int32_t) = Z_LVAL_P(value);
- break;
- case UPB_TYPE_INT64:
- // TODO(teboring): Add it back.
- // DEREF(memory, int64_t) = NUM2LL(value);
- break;
- case UPB_TYPE_UINT32:
- // TODO(teboring): Add it back.
- // DEREF(memory, uint32_t) = NUM2UINT(value);
- break;
- case UPB_TYPE_UINT64:
- // TODO(teboring): Add it back.
- // DEREF(memory, uint64_t) = NUM2ULL(value);
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
-
- if (case_memory != NULL) {
- *case_memory = case_number;
- }
-}
-
-// -----------------------------------------------------------------------------
-// Map field utilities.
-// ----------------------------------------------------------------------------
-
-const upb_msgdef* tryget_map_entry_msgdef(const upb_fielddef* field) {
- const upb_msgdef* subdef;
- if (upb_fielddef_label(field) != UPB_LABEL_REPEATED ||
- upb_fielddef_type(field) != UPB_TYPE_MESSAGE) {
- return NULL;
- }
- subdef = upb_fielddef_msgsubdef(field);
- return upb_msgdef_mapentry(subdef) ? subdef : NULL;
-}
-
-const upb_msgdef* map_entry_msgdef(const upb_fielddef* field) {
- const upb_msgdef* subdef = tryget_map_entry_msgdef(field);
- assert(subdef);
- return subdef;
-}
-
-bool is_map_field(const upb_fielddef* field) {
- return tryget_map_entry_msgdef(field) != NULL;
-}
-
-// -----------------------------------------------------------------------------
-// Memory layout management.
-// -----------------------------------------------------------------------------
-
-static size_t align_up_to(size_t offset, size_t granularity) {
- // Granularity must be a power of two.
- return (offset + granularity - 1) & ~(granularity - 1);
-}
-
-MessageLayout* create_layout(const upb_msgdef* msgdef) {
- MessageLayout* layout = ALLOC(MessageLayout);
- int nfields = upb_msgdef_numfields(msgdef);
- upb_msg_field_iter it;
- upb_msg_oneof_iter oit;
- size_t off = 0;
-
- layout->fields = ALLOC_N(MessageField, nfields);
-
- for (upb_msg_field_begin(&it, msgdef); !upb_msg_field_done(&it);
- upb_msg_field_next(&it)) {
- const upb_fielddef* field = upb_msg_iter_field(&it);
- size_t field_size;
-
- if (upb_fielddef_containingoneof(field)) {
- // Oneofs are handled separately below.
- continue;
- }
-
- // Allocate |field_size| bytes for this field in the layout.
- field_size = 0;
- if (upb_fielddef_label(field) == UPB_LABEL_REPEATED) {
- field_size = sizeof(zval*);
- } else {
- field_size = native_slot_size(upb_fielddef_type(field));
- }
-
- // Align current offset up to | size | granularity.
- off = align_up_to(off, field_size);
- layout->fields[upb_fielddef_index(field)].offset = off;
- layout->fields[upb_fielddef_index(field)].case_offset =
- MESSAGE_FIELD_NO_CASE;
- off += field_size;
- }
-
- // Handle oneofs now -- we iterate over oneofs specifically and allocate only
- // one slot per oneof.
- //
- // We assign all value slots first, then pack the 'case' fields at the end,
- // since in the common case (modern 64-bit platform) these are 8 bytes and 4
- // bytes respectively and we want to avoid alignment overhead.
- //
- // Note that we reserve 4 bytes (a uint32) per 'case' slot because the value
- // space for oneof cases is conceptually as wide as field tag numbers. In
- // practice, it's unlikely that a oneof would have more than e.g. 256 or 64K
- // members (8 or 16 bits respectively), so conceivably we could assign
- // consecutive case numbers and then pick a smaller oneof case slot size, but
- // the complexity to implement this indirection is probably not worthwhile.
- for (upb_msg_oneof_begin(&oit, msgdef); !upb_msg_oneof_done(&oit);
- upb_msg_oneof_next(&oit)) {
- const upb_oneofdef* oneof = upb_msg_iter_oneof(&oit);
- upb_oneof_iter fit;
-
- // Always allocate NATIVE_SLOT_MAX_SIZE bytes, but share the slot between
- // all fields.
- size_t field_size = NATIVE_SLOT_MAX_SIZE;
- // Align the offset .
- off = align_up_to( off, field_size);
- // 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* field = upb_oneof_iter_field(&fit);
- layout->fields[upb_fielddef_index(field)].offset = off;
- }
- off += field_size;
- }
-
- // Now the case fields.
- for (upb_msg_oneof_begin(&oit, msgdef); !upb_msg_oneof_done(&oit);
- upb_msg_oneof_next(&oit)) {
- const upb_oneofdef* oneof = upb_msg_iter_oneof(&oit);
- upb_oneof_iter fit;
-
- size_t field_size = sizeof(uint32_t);
- // Align the offset .
- off = (off + field_size - 1) & ~(field_size - 1);
- // 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* field = upb_oneof_iter_field(&fit);
- layout->fields[upb_fielddef_index(field)].case_offset = off;
- }
- off += field_size;
- }
-
- layout->size = off;
-
- layout->msgdef = msgdef;
- upb_msgdef_ref(layout->msgdef, &layout->msgdef);
-
- return layout;
-}
-
-void free_layout(MessageLayout* layout) {
- FREE(layout->fields);
- upb_msgdef_unref(layout->msgdef, &layout->msgdef);
- FREE(layout);
-}
-
-// TODO(teboring): Add it back.
-// VALUE field_type_class(const upb_fielddef* field) {
-// VALUE type_class = Qnil;
-// if (upb_fielddef_type(field) == UPB_TYPE_MESSAGE) {
-// VALUE submsgdesc = get_def_obj(upb_fielddef_subdef(field));
-// type_class = Descriptor_msgclass(submsgdesc);
-// } else if (upb_fielddef_type(field) == UPB_TYPE_ENUM) {
-// VALUE subenumdesc = get_def_obj(upb_fielddef_subdef(field));
-// type_class = EnumDescriptor_enummodule(subenumdesc);
-// }
-// return type_class;
-// }
-
-static void* slot_memory(MessageLayout* layout, const void* storage,
- const upb_fielddef* field) {
- return ((uint8_t*)storage) + layout->fields[upb_fielddef_index(field)].offset;
-}
-
-static uint32_t* slot_oneof_case(MessageLayout* layout, const void* storage,
- const upb_fielddef* field) {
- return (uint32_t*)(((uint8_t*)storage) +
- layout->fields[upb_fielddef_index(field)].case_offset);
-}
-
-void layout_set(MessageLayout* layout, void* storage, const upb_fielddef* field,
- zval* val) {
- void* memory = slot_memory(layout, storage, field);
- uint32_t* oneof_case = slot_oneof_case(layout, storage, field);
-
- if (upb_fielddef_containingoneof(field)) {
- if (Z_TYPE_P(val) == IS_NULL) {
- // Assigning nil to a oneof field clears the oneof completely.
- *oneof_case = ONEOF_CASE_NONE;
- memset(memory, 0, NATIVE_SLOT_MAX_SIZE);
- } else {
- // The transition between field types for a single oneof (union) slot is
- // somewhat complex because we need to ensure that a GC triggered at any
- // point by a call into the Ruby VM sees a valid state for this field and
- // does not either go off into the weeds (following what it thinks is a
- // VALUE but is actually a different field type) or miss an object (seeing
- // what it thinks is a primitive field but is actually a VALUE for the new
- // field type).
- //
- // In order for the transition to be safe, the oneof case slot must be in
- // sync with the value slot whenever the Ruby VM has been called. Thus, we
- // use native_slot_set_value_and_case(), which ensures that both the value
- // and case number are altered atomically (w.r.t. the Ruby VM).
- native_slot_set_value_and_case(upb_fielddef_type(field),
- /*field_type_class(field),*/ memory, val,
- oneof_case, upb_fielddef_number(field));
- }
- } else if (is_map_field(field)) {
- // TODO(teboring): Add it back.
- // check_map_field_type(val, field);
- // DEREF(memory, zval*) = val;
- } else if (upb_fielddef_label(field) == UPB_LABEL_REPEATED) {
- // TODO(teboring): Add it back.
- // check_repeated_field_type(val, field);
- // DEREF(memory, zval*) = val;
- } else {
- native_slot_set(upb_fielddef_type(field), /*field_type_class(field),*/ memory,
- val);
- }
-}
-
-void layout_init(MessageLayout* layout, void* storage) {
- upb_msg_field_iter it;
- for (upb_msg_field_begin(&it, layout->msgdef); !upb_msg_field_done(&it);
- upb_msg_field_next(&it)) {
- const upb_fielddef* field = upb_msg_iter_field(&it);
- void* memory = slot_memory(layout, storage, field);
- uint32_t* oneof_case = slot_oneof_case(layout, storage, field);
-
- if (upb_fielddef_containingoneof(field)) {
- // TODO(teboring): Add it back.
- // memset(memory, 0, NATIVE_SLOT_MAX_SIZE);
- // *oneof_case = ONEOF_CASE_NONE;
- } else if (is_map_field(field)) {
- // TODO(teboring): Add it back.
- // VALUE map = Qnil;
-
- // const upb_fielddef* key_field = map_field_key(field);
- // const upb_fielddef* value_field = map_field_value(field);
- // VALUE type_class = field_type_class(value_field);
-
- // if (type_class != Qnil) {
- // VALUE args[3] = {
- // fieldtype_to_php(upb_fielddef_type(key_field)),
- // fieldtype_to_php(upb_fielddef_type(value_field)), type_class,
- // };
- // map = php_class_new_instance(3, args, cMap);
- // } else {
- // VALUE args[2] = {
- // fieldtype_to_php(upb_fielddef_type(key_field)),
- // fieldtype_to_php(upb_fielddef_type(value_field)),
- // };
- // map = php_class_new_instance(2, args, cMap);
- // }
-
- // DEREF(memory, VALUE) = map;
- } else if (upb_fielddef_label(field) == UPB_LABEL_REPEATED) {
- // TODO(teboring): Add it back.
- // VALUE ary = Qnil;
-
- // VALUE type_class = field_type_class(field);
-
- // if (type_class != Qnil) {
- // VALUE args[2] = {
- // fieldtype_to_php(upb_fielddef_type(field)), type_class,
- // };
- // ary = php_class_new_instance(2, args, cRepeatedField);
- // } else {
- // VALUE args[1] = {fieldtype_to_php(upb_fielddef_type(field))};
- // ary = php_class_new_instance(1, args, cRepeatedField);
- // }
-
- // DEREF(memory, VALUE) = ary;
- } else {
- native_slot_init(upb_fielddef_type(field), memory);
- }
- }
-}
-
-zval* layout_get(MessageLayout* layout, const void* storage,
- const upb_fielddef* field TSRMLS_DC) {
- void* memory = slot_memory(layout, storage, field);
- uint32_t* oneof_case = slot_oneof_case(layout, storage, field);
-
- if (upb_fielddef_containingoneof(field)) {
- if (*oneof_case != upb_fielddef_number(field)) {
- return NULL;
- // TODO(teboring): Add it back.
- // return Qnil;
- }
- return NULL;
- // TODO(teboring): Add it back.
- // return native_slot_get(upb_fielddef_type(field), field_type_class(field),
- // memory);
- } else if (upb_fielddef_label(field) == UPB_LABEL_REPEATED) {
- return NULL;
- // TODO(teboring): Add it back.
- // return *((VALUE*)memory);
- } else {
- return native_slot_get(
- upb_fielddef_type(field), /*field_type_class(field), */
- memory TSRMLS_CC);
- }
-}