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- Make classes have scope and function/constant lookups default to the class
This commit is contained in:
Andi Gutmans
parent
657ce39a28
commit
74efc41fc3
7 changed files with 31 additions and 38 deletions
11
Zend/zend.h
11
Zend/zend.h
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@ -183,16 +183,6 @@ typedef unsigned short zend_ushort;
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#define INTERNAL_FUNCTION_PARAMETERS int ht, zval *return_value, zval *this_ptr, int return_value_used TSRMLS_DC
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#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, this_ptr, return_value_used TSRMLS_CC
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typedef enum {
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INTERNAL_NAMESPACE = 0,
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USER_NAMESPACE = 1
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} namespace_type;
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typedef struct _zend_namespace_struct {
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namespace_type type;
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HashTable *class_table;
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HashTable *function_table;
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} zend_namespace;
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/*
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* zval
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@ -292,7 +282,6 @@ struct _zend_class_entry {
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struct _zend_class_entry *parent;
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int *refcount;
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zend_bool constants_updated;
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zend_bool is_namespace;
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HashTable function_table;
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HashTable default_properties;
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@ -1215,7 +1215,6 @@ ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *class_
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class_entry->refcount = (int *) malloc(sizeof(int));
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*class_entry->refcount = 1;
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class_entry->constants_updated = 0;
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class_entry->is_namespace = 0;
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zend_hash_init(&class_entry->default_properties, 0, NULL, ZVAL_PTR_DTOR, 1);
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zend_hash_init(&class_entry->static_members, 0, NULL, ZVAL_PTR_DTOR, 1);
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zend_hash_init(&class_entry->constants_table, 0, NULL, ZVAL_PTR_DTOR, 1);
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@ -82,8 +82,6 @@ void zend_init_compiler_data_structures(TSRMLS_D)
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CG(in_compilation) = 0;
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init_compiler_declarables(TSRMLS_C);
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CG(throw_list) = NULL;
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CG(namespace) = NULL;
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CG(namespace_len) = 0;
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}
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@ -108,10 +106,6 @@ void shutdown_compiler(TSRMLS_D)
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zend_stack_destroy(&CG(list_stack));
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zend_hash_destroy(&CG(filenames_table));
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zend_llist_destroy(&CG(open_files));
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if (CG(namespace)) {
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efree(CG(namespace));
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}
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}
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@ -928,7 +922,14 @@ void do_fetch_class(znode *result, znode *class_entry, znode *class_name TSRMLS_
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SET_UNUSED(opline->op1);
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}
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zend_str_tolower(class_name->u.constant.value.str.val, class_name->u.constant.value.str.len);
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opline->op2 = *class_name;
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if ((class_name->u.constant.value.str.len == (sizeof("self") - 1)) &&
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!memcmp(class_name->u.constant.value.str.val, "self", sizeof("self"))) {
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SET_UNUSED(opline->op2);
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opline->extended_value = ZEND_FETCH_CLASS_SELF;
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zval_dtor(&class_name->u.constant);
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} else {
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opline->op2 = *class_name;
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}
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opline->result.u.var = get_temporary_variable(CG(active_op_array));
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opline->result.op_type = IS_CONST; /* FIXME: Hack so that INIT_FCALL_BY_NAME still knows this is a class */
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*result = opline->result;
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@ -1702,7 +1703,7 @@ void zend_do_default_before_statement(znode *case_list, znode *default_token TSR
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}
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void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znode *parent_class_name, zend_bool is_namespace TSRMLS_DC)
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void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znode *parent_class_name TSRMLS_DC)
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{
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zend_op *opline;
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int runtime_inheritance = 0;
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@ -1715,7 +1716,6 @@ void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znod
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new_class_entry.refcount = (int *) emalloc(sizeof(int));
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*new_class_entry.refcount = 1;
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new_class_entry.constants_updated = 0;
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new_class_entry.is_namespace = is_namespace;
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zend_str_tolower(new_class_entry.name, new_class_entry.name_length);
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@ -303,7 +303,7 @@ void zend_do_case_before_statement(znode *case_list, znode *case_token, znode *c
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void zend_do_case_after_statement(znode *result, znode *case_token TSRMLS_DC);
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void zend_do_default_before_statement(znode *case_list, znode *default_token TSRMLS_DC);
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void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znode *parent_class_name, zend_bool is_namespace TSRMLS_DC);
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void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znode *parent_class_name TSRMLS_DC);
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void zend_do_end_class_declaration(znode *class_token TSRMLS_DC);
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void zend_do_declare_property(znode *var_name, znode *value, int declaration_type TSRMLS_DC);
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@ -551,6 +551,10 @@ int zendlex(znode *zendlval TSRMLS_DC);
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#define ZEND_FETCH_STATIC 2
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#define ZEND_FETCH_STATIC_MEMBER 3
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/* class fetches */
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#define ZEND_FETCH_CLASS_DEFAULT 0
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#define ZEND_FETCH_CLASS_SELF 1
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/* unset types */
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#define ZEND_UNSET_REG 0
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#define ZEND_UNSET_OBJ 1
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@ -1492,7 +1492,17 @@ binary_assign_op_addr: {
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{
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if (EX(opline)->op1.op_type == IS_UNUSED) {
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zval tmp;
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zval *class_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
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zval *class_name;
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if (EX(opline)->extended_value == ZEND_FETCH_CLASS_SELF) {
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if (!EG(namespace)) {
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zend_error(E_ERROR, "Cannot fetch self:: when no class scope is active");
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}
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EX(Ts)[EX(opline)->result.u.var].EA.class_entry = EG(namespace);
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NEXT_OPCODE();
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}
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class_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
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if (class_name->type != IS_STRING) {
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tmp = *class_name;
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@ -1570,9 +1580,7 @@ binary_assign_op_addr: {
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{
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zend_class_entry *ce = EX(Ts)[EX(opline)->op1.u.var].EA.class_entry;
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active_function_table = &ce->function_table;
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if (ce->is_namespace) {
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EX(calling_namespace) = ce;
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}
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EX(calling_namespace) = ce;
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}
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} else { /* used for member function calls */
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EX(object).ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
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@ -1614,6 +1622,7 @@ binary_assign_op_addr: {
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EX(object).ptr = this_ptr;
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}
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active_function_table = &Z_OBJCE_P(EX(object).ptr)->function_table;
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EX(calling_namespace) = Z_OBJCE_P(EX(object).ptr);
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}
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if (zend_hash_find(active_function_table, function_name->value.str.val, function_name->value.str.len+1, (void **) &function)==FAILURE) {
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zend_error(E_ERROR, "Call to undefined function: %s()", function_name->value.str.val);
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@ -2058,9 +2067,6 @@ send_by_ref:
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NEXT_OPCODE();
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case ZEND_NEW:
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{
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if (EX(Ts)[EX(opline)->op1.u.var].EA.class_entry->is_namespace) {
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zend_error(E_ERROR, "Cannot instantiate a namespace");
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}
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EX(Ts)[EX(opline)->result.u.var].var.ptr_ptr = &EX(Ts)[EX(opline)->result.u.var].var.ptr;
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ALLOC_ZVAL(EX(Ts)[EX(opline)->result.u.var].var.ptr);
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object_init_ex(EX(Ts)[EX(opline)->result.u.var].var.ptr, EX(Ts)[EX(opline)->op1.u.var].EA.class_entry);
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@ -116,9 +116,6 @@ struct _zend_compiler_globals {
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int interactive;
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zend_bool increment_lineno;
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char *namespace;
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int namespace_len;
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};
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@ -238,9 +238,8 @@ unticked_declaration_statement:
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'(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); }
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| T_OLD_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 0, $3.op_type TSRMLS_CC); }
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parameter_list '(' inner_statement_list ')' ';' { zend_do_end_function_declaration(&$1 TSRMLS_CC); }
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| T_NAMESPACE T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL, 1 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL, 0 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING T_EXTENDS T_STRING { zend_do_begin_class_declaration(&$1, &$2, &$4, 0 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING T_EXTENDS T_STRING { zend_do_begin_class_declaration(&$1, &$2, &$4 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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;
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@ -394,9 +393,8 @@ class_statement:
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parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); }
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| T_OLD_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 1, $3.op_type TSRMLS_CC); }
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parameter_list '(' inner_statement_list ')' ';' { zend_do_end_function_declaration(&$1 TSRMLS_CC); }
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| T_NAMESPACE T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL, 1 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL, 0 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING T_EXTENDS T_STRING { zend_do_begin_class_declaration(&$1, &$2, &$4, 0 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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| T_CLASS T_STRING T_EXTENDS T_STRING { zend_do_begin_class_declaration(&$1, &$2, &$4 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); }
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;
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is_reference:
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