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Improved property inheritance code

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This commit is contained in:
Dmitry Stogov 2015-04-22 12:53:54 +03:00
parent b59275bac1
commit 8ef7e14117
1 changed files with 62 additions and 53 deletions
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115
Zend/zend_inheritance.c
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@ -743,78 +743,87 @@ ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent
/* Inherit properties */ /* Inherit properties */
if (parent_ce->default_properties_count) { if (parent_ce->default_properties_count) {
int i = ce->default_properties_count + parent_ce->default_properties_count; zval *src, *dst, *end;
ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval) * i, ce->type == ZEND_INTERNAL_CLASS);
if (ce->default_properties_count) { if (ce->default_properties_count) {
while (i-- > parent_ce->default_properties_count) { zval *table = pemalloc(sizeof(zval) * (ce->default_properties_count + parent_ce->default_properties_count), ce->type == ZEND_INTERNAL_CLASS);
ce->default_properties_table[i] = ce->default_properties_table[i - parent_ce->default_properties_count]; src = ce->default_properties_table + ce->default_properties_count;
} // zval *table = perealloc(ce->default_properties_table, sizeof(zval) * (ce->default_properties_count + parent_ce->default_properties_count), ce->type == ZEND_INTERNAL_CLASS);
// src = table + ce->default_properties_count;
end = table + parent_ce->default_properties_count;
dst = end + ce->default_properties_count;
ce->default_properties_table = table;
do {
dst--;
src--;
ZVAL_COPY_VALUE(dst, src);
} while (dst != end);
pefree(src, ce->type == ZEND_INTERNAL_CLASS);
end = ce->default_properties_table;
} else {
end = pemalloc(sizeof(zval) * parent_ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS);
dst = end + parent_ce->default_properties_count;
ce->default_properties_table = end;
} }
for (i = 0; i < parent_ce->default_properties_count; i++) { src = parent_ce->default_properties_table + parent_ce->default_properties_count;
do {
dst--;
src--;
#ifdef ZTS #ifdef ZTS
if (parent_ce->type != ce->type) { if (parent_ce->type != ce->type) {
ZVAL_DUP(&ce->default_properties_table[i], &parent_ce->default_properties_table[i]); ZVAL_DUP(dst, src);
if (Z_OPT_CONSTANT(ce->default_properties_table[i])) { if (Z_OPT_CONSTANT_P(dst)) {
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
} }
continue; continue;
} }
#endif #endif
ZVAL_COPY(&ce->default_properties_table[i], &parent_ce->default_properties_table[i]); ZVAL_COPY(dst, src);
if (Z_OPT_CONSTANT(ce->default_properties_table[i])) { if (Z_OPT_CONSTANT_P(dst)) {
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
} }
} } while (dst != end);
ce->default_properties_count += parent_ce->default_properties_count; ce->default_properties_count += parent_ce->default_properties_count;
} }
if (parent_ce->type != ce->type) { if (parent_ce->default_static_members_count) {
/* User class extends internal class */ zval *src, *dst, *end;
zend_update_class_constants(parent_ce);
if (parent_ce->default_static_members_count) {
int i = ce->default_static_members_count + parent_ce->default_static_members_count;
ce->default_static_members_table = erealloc(ce->default_static_members_table, sizeof(zval) * i); if (ce->default_static_members_count) {
if (ce->default_static_members_count) { zval *table = pemalloc(sizeof(zval) * (ce->default_static_members_count + parent_ce->default_static_members_count), ce->type == ZEND_INTERNAL_CLASS);
while (i-- > parent_ce->default_static_members_count) { src = ce->default_static_members_table + ce->default_static_members_count;
ce->default_static_members_table[i] = ce->default_static_members_table[i - parent_ce->default_static_members_count]; // zval *table = perealloc(ce->default_static_members_table, sizeof(zval) * (ce->default_static_members_count + parent_ce->default_static_members_count), ce->type == ZEND_INTERNAL_CLASS);
} // src = table + ce->default_static_members_count;
} end = table + parent_ce->default_static_members_count;
for (i = 0; i < parent_ce->default_static_members_count; i++) { dst = end + ce->default_static_members_count;
ZVAL_MAKE_REF(&CE_STATIC_MEMBERS(parent_ce)[i]); ce->default_static_members_table = table;
ce->default_static_members_table[i] = CE_STATIC_MEMBERS(parent_ce)[i]; do {
Z_ADDREF(ce->default_static_members_table[i]); dst--;
if (Z_CONSTANT_P(Z_REFVAL(ce->default_static_members_table[i]))) { src--;
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; ZVAL_COPY_VALUE(dst, src);
} } while (dst != end);
} pefree(src, ce->type == ZEND_INTERNAL_CLASS);
ce->default_static_members_count += parent_ce->default_static_members_count; end = ce->default_static_members_table;
ce->static_members_table = ce->default_static_members_table; } else {
end = pemalloc(sizeof(zval) * parent_ce->default_static_members_count, ce->type == ZEND_INTERNAL_CLASS);
dst = end + parent_ce->default_static_members_count;
ce->default_static_members_table = end;
} }
} else { src = parent_ce->default_static_members_table + parent_ce->default_static_members_count;
if (parent_ce->default_static_members_count) { do {
int i = ce->default_static_members_count + parent_ce->default_static_members_count; dst--;
src--;
ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(zval) * i, ce->type == ZEND_INTERNAL_CLASS); ZVAL_MAKE_REF(src);
if (ce->default_static_members_count) { ZVAL_COPY_VALUE(dst, src);
while (i-- > parent_ce->default_static_members_count) { Z_ADDREF_P(dst);
ce->default_static_members_table[i] = ce->default_static_members_table[i - parent_ce->default_static_members_count]; if (Z_CONSTANT_P(Z_REFVAL_P(dst))) {
} ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
}
for (i = 0; i < parent_ce->default_static_members_count; i++) {
ZVAL_MAKE_REF(&parent_ce->default_static_members_table[i]);
ce->default_static_members_table[i] = parent_ce->default_static_members_table[i];
Z_ADDREF(ce->default_static_members_table[i]);
if (Z_CONSTANT_P(Z_REFVAL(ce->default_static_members_table[i]))) {
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
}
}
ce->default_static_members_count += parent_ce->default_static_members_count;
if (ce->type == ZEND_USER_CLASS) {
ce->static_members_table = ce->default_static_members_table;
} }
} while (dst != end);
ce->default_static_members_count += parent_ce->default_static_members_count;
if (ce->type == ZEND_USER_CLASS) {
ce->static_members_table = ce->default_static_members_table;
} }
} }