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php_reflection.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Timm Friebe <[email protected]> |
| George Schlossnagle <[email protected]> |
| Andrei Zmievski <[email protected]> |
| Marcus Boerger <[email protected]> |
| Johannes Schlueter <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "php_reflection.h"
#include "ext/standard/info.h"
#include "zend.h"
#include "zend_API.h"
#include "zend_exceptions.h"
#include "zend_operators.h"
#include "zend_constants.h"
#include "zend_ini.h"
#include "zend_interfaces.h"
#include "zend_closures.h"
#include "zend_generators.h"
#include "zend_extensions.h"
#include "zend_builtin_functions.h"
#define reflection_update_property(object, name, value) do { \
zval member; \
ZVAL_STRINGL(&member, name, sizeof(name)-1); \
zend_std_write_property(object, &member, value, NULL); \
if (Z_REFCOUNTED_P(value)) Z_DELREF_P(value); \
zval_ptr_dtor(&member); \
} while (0)
/* Class entry pointers */
PHPAPI zend_class_entry *reflector_ptr;
PHPAPI zend_class_entry *reflection_exception_ptr;
PHPAPI zend_class_entry *reflection_ptr;
PHPAPI zend_class_entry *reflection_function_abstract_ptr;
PHPAPI zend_class_entry *reflection_function_ptr;
PHPAPI zend_class_entry *reflection_generator_ptr;
PHPAPI zend_class_entry *reflection_parameter_ptr;
PHPAPI zend_class_entry *reflection_type_ptr;
PHPAPI zend_class_entry *reflection_named_type_ptr;
PHPAPI zend_class_entry *reflection_class_ptr;
PHPAPI zend_class_entry *reflection_object_ptr;
PHPAPI zend_class_entry *reflection_method_ptr;
PHPAPI zend_class_entry *reflection_property_ptr;
PHPAPI zend_class_entry *reflection_class_constant_ptr;
PHPAPI zend_class_entry *reflection_extension_ptr;
PHPAPI zend_class_entry *reflection_zend_extension_ptr;
#if MBO_0
ZEND_BEGIN_MODULE_GLOBALS(reflection)
int dummy;
ZEND_END_MODULE_GLOBALS(reflection)
#ifdef ZTS
# define REFLECTION_G(v) \
ZEND_TSRMG(reflection_globals_id, zend_reflection_globals*, v)
extern int reflection_globals_id;
#else
# define REFLECTION_G(v) (reflection_globals.v)
extern zend_reflection_globals reflectionglobals;
#endif
ZEND_DECLARE_MODULE_GLOBALS(reflection)
#endif /* MBO_0 */
/* Method macros */
#define METHOD_NOTSTATIC(ce) \
if ((Z_TYPE(EX(This)) != IS_OBJECT) || !instanceof_function(Z_OBJCE(EX(This)), ce)) { \
php_error_docref(NULL, E_ERROR, "%s() cannot be called statically", get_active_function_name()); \
return; \
} \
/* Exception throwing macro */
#define _DO_THROW(msg) \
zend_throw_exception(reflection_exception_ptr, msg, 0); \
return; \
#define RETURN_ON_EXCEPTION \
if (EG(exception) && EG(exception)->ce == reflection_exception_ptr) { \
return; \
}
#define GET_REFLECTION_OBJECT() \
intern = Z_REFLECTION_P(getThis()); \
if (intern->ptr == NULL) { \
RETURN_ON_EXCEPTION \
zend_throw_error(NULL, "Internal error: Failed to retrieve the reflection object"); \
return; \
} \
#define GET_REFLECTION_OBJECT_PTR(target) \
GET_REFLECTION_OBJECT() \
target = intern->ptr; \
/* Class constants */
#define REGISTER_REFLECTION_CLASS_CONST_LONG(class_name, const_name, value) \
zend_declare_class_constant_long(reflection_ ## class_name ## _ptr, const_name, sizeof(const_name)-1, (zend_long)value);
/* {{{ Smart string functions */
typedef struct _string {
zend_string *buf;
size_t alloced;
} string;
static void string_init(string *str)
{
str->buf= zend_string_alloc(1024, 0);
str->alloced = 1024;
ZSTR_VAL(str->buf)[0] = '\0';
ZSTR_LEN(str->buf) = 0;
}
static string *string_printf(string *str, const char *format, ...)
{
size_t len;
va_list arg;
char *s_tmp;
va_start(arg, format);
len = zend_vspprintf(&s_tmp, 0, format, arg);
if (len) {
register size_t nlen = (ZSTR_LEN(str->buf) + 1 + len + (1024 - 1)) & ~(1024 - 1);
if (str->alloced < nlen) {
size_t old_len = ZSTR_LEN(str->buf);
str->alloced = nlen;
str->buf = zend_string_extend(str->buf, str->alloced, 0);
ZSTR_LEN(str->buf) = old_len;
}
memcpy(ZSTR_VAL(str->buf) + ZSTR_LEN(str->buf), s_tmp, len + 1);
ZSTR_LEN(str->buf) += len;
}
efree(s_tmp);
va_end(arg);
return str;
}
static string *string_write(string *str, char *buf, size_t len)
{
register size_t nlen = (ZSTR_LEN(str->buf) + 1 + len + (1024 - 1)) & ~(1024 - 1);
if (str->alloced < nlen) {
size_t old_len = ZSTR_LEN(str->buf);
str->alloced = nlen;
str->buf = zend_string_extend(str->buf, str->alloced, 0);
ZSTR_LEN(str->buf) = old_len;
}
memcpy(ZSTR_VAL(str->buf) + ZSTR_LEN(str->buf), buf, len);
ZSTR_LEN(str->buf) += len;
ZSTR_VAL(str->buf)[ZSTR_LEN(str->buf)] = '\0';
return str;
}
static string *string_append(string *str, string *append)
{
if (ZSTR_LEN(append->buf) > 0) {
string_write(str, ZSTR_VAL(append->buf), ZSTR_LEN(append->buf));
}
return str;
}
static void string_free(string *str)
{
zend_string_release(str->buf);
str->alloced = 0;
str->buf = NULL;
}
/* }}} */
/* {{{ Object structure */
/* Struct for properties */
typedef struct _property_reference {
zend_class_entry *ce;
zend_property_info prop;
} property_reference;
/* Struct for parameters */
typedef struct _parameter_reference {
uint32_t offset;
uint32_t required;
struct _zend_arg_info *arg_info;
zend_function *fptr;
} parameter_reference;
/* Struct for type hints */
typedef struct _type_reference {
struct _zend_arg_info *arg_info;
zend_function *fptr;
} type_reference;
typedef enum {
REF_TYPE_OTHER, /* Must be 0 */
REF_TYPE_FUNCTION,
REF_TYPE_GENERATOR,
REF_TYPE_PARAMETER,
REF_TYPE_TYPE,
REF_TYPE_PROPERTY,
REF_TYPE_DYNAMIC_PROPERTY,
REF_TYPE_CLASS_CONSTANT
} reflection_type_t;
/* Struct for reflection objects */
typedef struct {
zval dummy; /* holder for the second property */
zval obj;
void *ptr;
zend_class_entry *ce;
reflection_type_t ref_type;
unsigned int ignore_visibility:1;
zend_object zo;
} reflection_object;
static inline reflection_object *reflection_object_from_obj(zend_object *obj) {
return (reflection_object*)((char*)(obj) - XtOffsetOf(reflection_object, zo));
}
#define Z_REFLECTION_P(zv) reflection_object_from_obj(Z_OBJ_P((zv)))
/* }}} */
static zend_object_handlers reflection_object_handlers;
static zval *_default_load_entry(zval *object, char *name, size_t name_len) /* {{{ */
{
zval *value;
if ((value = zend_hash_str_find_ind(Z_OBJPROP_P(object), name, name_len)) == NULL) {
return NULL;
}
return value;
}
/* }}} */
static void _default_get_entry(zval *object, char *name, int name_len, zval *return_value) /* {{{ */
{
zval *value;
if ((value = _default_load_entry(object, name, name_len)) == NULL) {
RETURN_FALSE;
}
ZVAL_DUP(return_value, value);
}
/* }}} */
#ifdef ilia_0
static void _default_lookup_entry(zval *object, char *name, int name_len, zval **return_value) /* {{{ */
{
zval **value;
if (zend_hash_find(Z_OBJPROP_P(object), name, name_len, (void **) &value) == FAILURE) {
*return_value = NULL;
} else {
*return_value = *value;
}
}
/* }}} */
#endif
static zend_function *_copy_function(zend_function *fptr) /* {{{ */
{
if (fptr
&& (fptr->internal_function.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE))
{
zend_function *copy_fptr;
copy_fptr = emalloc(sizeof(zend_function));
memcpy(copy_fptr, fptr, sizeof(zend_function));
copy_fptr->internal_function.function_name = zend_string_copy(fptr->internal_function.function_name);
return copy_fptr;
} else {
/* no copy needed */
return fptr;
}
}
/* }}} */
static void _free_function(zend_function *fptr) /* {{{ */
{
if (fptr
&& (fptr->internal_function.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE))
{
zend_string_release(fptr->internal_function.function_name);
zend_free_trampoline(fptr);
}
}
/* }}} */
static void reflection_free_objects_storage(zend_object *object) /* {{{ */
{
reflection_object *intern = reflection_object_from_obj(object);
parameter_reference *reference;
property_reference *prop_reference;
type_reference *typ_reference;
if (intern->ptr) {
switch (intern->ref_type) {
case REF_TYPE_PARAMETER:
reference = (parameter_reference*)intern->ptr;
_free_function(reference->fptr);
efree(intern->ptr);
break;
case REF_TYPE_TYPE:
typ_reference = (type_reference*)intern->ptr;
_free_function(typ_reference->fptr);
efree(intern->ptr);
break;
case REF_TYPE_FUNCTION:
_free_function(intern->ptr);
break;
case REF_TYPE_PROPERTY:
efree(intern->ptr);
break;
case REF_TYPE_DYNAMIC_PROPERTY:
prop_reference = (property_reference*)intern->ptr;
zend_string_release(prop_reference->prop.name);
efree(intern->ptr);
break;
case REF_TYPE_GENERATOR:
case REF_TYPE_CLASS_CONSTANT:
case REF_TYPE_OTHER:
break;
}
}
intern->ptr = NULL;
zval_ptr_dtor(&intern->obj);
zend_object_std_dtor(object);
}
/* }}} */
static zend_object *reflection_objects_new(zend_class_entry *class_type) /* {{{ */
{
reflection_object *intern;
intern = ecalloc(1, sizeof(reflection_object) + zend_object_properties_size(class_type));
intern->zo.ce = class_type;
zend_object_std_init(&intern->zo, class_type);
object_properties_init(&intern->zo, class_type);
intern->zo.handlers = &reflection_object_handlers;
return &intern->zo;
}
/* }}} */
static zval *reflection_instantiate(zend_class_entry *pce, zval *object) /* {{{ */
{
object_init_ex(object, pce);
return object;
}
/* }}} */
static void _const_string(string *str, char *name, zval *value, char *indent);
static void _function_string(string *str, zend_function *fptr, zend_class_entry *scope, char* indent);
static void _property_string(string *str, zend_property_info *prop, char *prop_name, char* indent);
static void _class_const_string(string *str, char *name, zend_class_constant *c, char* indent);
static void _class_string(string *str, zend_class_entry *ce, zval *obj, char *indent);
static void _extension_string(string *str, zend_module_entry *module, char *indent);
static void _zend_extension_string(string *str, zend_extension *extension, char *indent);
/* {{{ _class_string */
static void _class_string(string *str, zend_class_entry *ce, zval *obj, char *indent)
{
int count, count_static_props = 0, count_static_funcs = 0, count_shadow_props = 0;
string sub_indent;
string_init(&sub_indent);
string_printf(&sub_indent, "%s ", indent);
/* TBD: Repair indenting of doc comment (or is this to be done in the parser?) */
if (ce->type == ZEND_USER_CLASS && ce->info.user.doc_comment) {
string_printf(str, "%s%s", indent, ZSTR_VAL(ce->info.user.doc_comment));
string_write(str, "\n", 1);
}
if (obj && Z_TYPE_P(obj) == IS_OBJECT) {
string_printf(str, "%sObject of class [ ", indent);
} else {
char *kind = "Class";
if (ce->ce_flags & ZEND_ACC_INTERFACE) {
kind = "Interface";
} else if (ce->ce_flags & ZEND_ACC_TRAIT) {
kind = "Trait";
}
string_printf(str, "%s%s [ ", indent, kind);
}
string_printf(str, (ce->type == ZEND_USER_CLASS) ? "<user" : "<internal");
if (ce->type == ZEND_INTERNAL_CLASS && ce->info.internal.module) {
string_printf(str, ":%s", ce->info.internal.module->name);
}
string_printf(str, "> ");
if (ce->get_iterator != NULL) {
string_printf(str, "<iterateable> ");
}
if (ce->ce_flags & ZEND_ACC_INTERFACE) {
string_printf(str, "interface ");
} else if (ce->ce_flags & ZEND_ACC_TRAIT) {
string_printf(str, "trait ");
} else {
if (ce->ce_flags & (ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) {
string_printf(str, "abstract ");
}
if (ce->ce_flags & ZEND_ACC_FINAL) {
string_printf(str, "final ");
}
string_printf(str, "class ");
}
string_printf(str, "%s", ZSTR_VAL(ce->name));
if (ce->parent) {
string_printf(str, " extends %s", ZSTR_VAL(ce->parent->name));
}
if (ce->num_interfaces) {
uint32_t i;
if (ce->ce_flags & ZEND_ACC_INTERFACE) {
string_printf(str, " extends %s", ZSTR_VAL(ce->interfaces[0]->name));
} else {
string_printf(str, " implements %s", ZSTR_VAL(ce->interfaces[0]->name));
}
for (i = 1; i < ce->num_interfaces; ++i) {
string_printf(str, ", %s", ZSTR_VAL(ce->interfaces[i]->name));
}
}
string_printf(str, " ] {\n");
/* The information where a class is declared is only available for user classes */
if (ce->type == ZEND_USER_CLASS) {
string_printf(str, "%s @@ %s %d-%d\n", indent, ZSTR_VAL(ce->info.user.filename),
ce->info.user.line_start, ce->info.user.line_end);
}
/* Constants */
string_printf(str, "\n");
count = zend_hash_num_elements(&ce->constants_table);
string_printf(str, "%s - Constants [%d] {\n", indent, count);
if (count > 0) {
zend_string *key;
zend_class_constant *c;
ZEND_HASH_FOREACH_STR_KEY_PTR(&ce->constants_table, key, c) {
_class_const_string(str, ZSTR_VAL(key), c, ZSTR_VAL(sub_indent.buf));
} ZEND_HASH_FOREACH_END();
}
string_printf(str, "%s }\n", indent);
/* Static properties */
/* counting static properties */
count = zend_hash_num_elements(&ce->properties_info);
if (count > 0) {
zend_property_info *prop;
ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop) {
if(prop->flags & ZEND_ACC_SHADOW) {
count_shadow_props++;
} else if (prop->flags & ZEND_ACC_STATIC) {
count_static_props++;
}
} ZEND_HASH_FOREACH_END();
}
/* static properties */
string_printf(str, "\n%s - Static properties [%d] {\n", indent, count_static_props);
if (count_static_props > 0) {
zend_property_info *prop;
ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop) {
if ((prop->flags & ZEND_ACC_STATIC) && !(prop->flags & ZEND_ACC_SHADOW)) {
_property_string(str, prop, NULL, ZSTR_VAL(sub_indent.buf));
}
} ZEND_HASH_FOREACH_END();
}
string_printf(str, "%s }\n", indent);
/* Static methods */
/* counting static methods */
count = zend_hash_num_elements(&ce->function_table);
if (count > 0) {
zend_function *mptr;
ZEND_HASH_FOREACH_PTR(&ce->function_table, mptr) {
if (mptr->common.fn_flags & ZEND_ACC_STATIC
&& ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) == 0 || mptr->common.scope == ce))
{
count_static_funcs++;
}
} ZEND_HASH_FOREACH_END();
}
/* static methods */
string_printf(str, "\n%s - Static methods [%d] {", indent, count_static_funcs);
if (count_static_funcs > 0) {
zend_function *mptr;
ZEND_HASH_FOREACH_PTR(&ce->function_table, mptr) {
if (mptr->common.fn_flags & ZEND_ACC_STATIC
&& ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) == 0 || mptr->common.scope == ce))
{
string_printf(str, "\n");
_function_string(str, mptr, ce, ZSTR_VAL(sub_indent.buf));
}
} ZEND_HASH_FOREACH_END();
} else {
string_printf(str, "\n");
}
string_printf(str, "%s }\n", indent);
/* Default/Implicit properties */
count = zend_hash_num_elements(&ce->properties_info) - count_static_props - count_shadow_props;
string_printf(str, "\n%s - Properties [%d] {\n", indent, count);
if (count > 0) {
zend_property_info *prop;
ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop) {
if (!(prop->flags & (ZEND_ACC_STATIC|ZEND_ACC_SHADOW))) {
_property_string(str, prop, NULL, ZSTR_VAL(sub_indent.buf));
}
} ZEND_HASH_FOREACH_END();
}
string_printf(str, "%s }\n", indent);
if (obj && Z_TYPE_P(obj) == IS_OBJECT && Z_OBJ_HT_P(obj)->get_properties) {
string dyn;
HashTable *properties = Z_OBJ_HT_P(obj)->get_properties(obj);
zend_string *prop_name;
string_init(&dyn);
count = 0;
if (properties && zend_hash_num_elements(properties)) {
ZEND_HASH_FOREACH_STR_KEY(properties, prop_name) {
if (prop_name && ZSTR_LEN(prop_name) && ZSTR_VAL(prop_name)[0]) { /* skip all private and protected properties */
if (!zend_hash_exists(&ce->properties_info, prop_name)) {
count++;
_property_string(&dyn, NULL, ZSTR_VAL(prop_name), ZSTR_VAL(sub_indent.buf));
}
}
} ZEND_HASH_FOREACH_END();
}
string_printf(str, "\n%s - Dynamic properties [%d] {\n", indent, count);
string_append(str, &dyn);
string_printf(str, "%s }\n", indent);
string_free(&dyn);
}
/* Non static methods */
count = zend_hash_num_elements(&ce->function_table) - count_static_funcs;
if (count > 0) {
zend_function *mptr;
zend_string *key;
string dyn;
count = 0;
string_init(&dyn);
ZEND_HASH_FOREACH_STR_KEY_PTR(&ce->function_table, key, mptr) {
if ((mptr->common.fn_flags & ZEND_ACC_STATIC) == 0
&& ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) == 0 || mptr->common.scope == ce))
{
size_t len = ZSTR_LEN(mptr->common.function_name);
/* Do not display old-style inherited constructors */
if ((mptr->common.fn_flags & ZEND_ACC_CTOR) == 0
|| mptr->common.scope == ce
|| !key
|| zend_binary_strcasecmp(ZSTR_VAL(key), ZSTR_LEN(key), ZSTR_VAL(mptr->common.function_name), len) == 0)
{
zend_function *closure;
/* see if this is a closure */
if (ce == zend_ce_closure && obj && (len == sizeof(ZEND_INVOKE_FUNC_NAME)-1)
&& memcmp(ZSTR_VAL(mptr->common.function_name), ZEND_INVOKE_FUNC_NAME, sizeof(ZEND_INVOKE_FUNC_NAME)-1) == 0
&& (closure = zend_get_closure_invoke_method(Z_OBJ_P(obj))) != NULL)
{
mptr = closure;
} else {
closure = NULL;
}
string_printf(&dyn, "\n");
_function_string(&dyn, mptr, ce, ZSTR_VAL(sub_indent.buf));
count++;
_free_function(closure);
}
}
} ZEND_HASH_FOREACH_END();
string_printf(str, "\n%s - Methods [%d] {", indent, count);
if (!count) {
string_printf(str, "\n");
}
string_append(str, &dyn);
string_free(&dyn);
} else {
string_printf(str, "\n%s - Methods [0] {\n", indent);
}
string_printf(str, "%s }\n", indent);
string_printf(str, "%s}\n", indent);
string_free(&sub_indent);
}
/* }}} */
/* {{{ _const_string */
static void _const_string(string *str, char *name, zval *value, char *indent)
{
char *type = zend_zval_type_name(value);
if (Z_TYPE_P(value) == IS_ARRAY) {
string_printf(str, "%s Constant [ %s %s ] { Array }\n",
indent, type, name);
} else {
zend_string *value_str = zval_get_string(value);
string_printf(str, "%s Constant [ %s %s ] { %s }\n",
indent, type, name, ZSTR_VAL(value_str));
zend_string_release(value_str);
}
}
/* }}} */
/* {{{ _class_const_string */
static void _class_const_string(string *str, char *name, zend_class_constant *c, char *indent)
{
char *visibility = zend_visibility_string(Z_ACCESS_FLAGS(c->value));
char *type;
zval_update_constant_ex(&c->value, c->ce);
type = zend_zval_type_name(&c->value);
if (Z_TYPE(c->value) == IS_ARRAY) {
string_printf(str, "%sConstant [ %s %s %s ] { Array }\n",
indent, visibility, type, name);
} else {
zend_string *value_str = zval_get_string(&c->value);
string_printf(str, "%sConstant [ %s %s %s ] { %s }\n",
indent, visibility, type, name, ZSTR_VAL(value_str));
zend_string_release(value_str);
}
}
/* }}} */
/* {{{ _get_recv_opcode */
static zend_op* _get_recv_op(zend_op_array *op_array, uint32_t offset)
{
zend_op *op = op_array->opcodes;
zend_op *end = op + op_array->last;
++offset;
while (op < end) {
if ((op->opcode == ZEND_RECV || op->opcode == ZEND_RECV_INIT
|| op->opcode == ZEND_RECV_VARIADIC) && op->op1.num == offset)
{
return op;
}
++op;
}
return NULL;
}
/* }}} */
/* {{{ _parameter_string */
static void _parameter_string(string *str, zend_function *fptr, struct _zend_arg_info *arg_info, uint32_t offset, uint32_t required, char* indent)
{
string_printf(str, "Parameter #%d [ ", offset);
if (offset >= required) {
string_printf(str, "<optional> ");
} else {
string_printf(str, "<required> ");
}
if (arg_info->class_name) {
string_printf(str, "%s ",
(fptr->type == ZEND_INTERNAL_FUNCTION &&
!(fptr->common.fn_flags & ZEND_ACC_USER_ARG_INFO)) ?
((zend_internal_arg_info*)arg_info)->class_name :
ZSTR_VAL(arg_info->class_name));
if (arg_info->allow_null) {
string_printf(str, "or NULL ");
}
} else if (arg_info->type_hint) {
string_printf(str, "%s ", zend_get_type_by_const(arg_info->type_hint));
if (arg_info->allow_null) {
string_printf(str, "or NULL ");
}
}
if (arg_info->pass_by_reference) {
string_write(str, "&", sizeof("&")-1);
}
if (arg_info->is_variadic) {
string_write(str, "...", sizeof("...")-1);
}
if (arg_info->name) {
string_printf(str, "$%s",
(fptr->type == ZEND_INTERNAL_FUNCTION &&
!(fptr->common.fn_flags & ZEND_ACC_USER_ARG_INFO)) ?
((zend_internal_arg_info*)arg_info)->name :
ZSTR_VAL(arg_info->name));
} else {
string_printf(str, "$param%d", offset);
}
if (fptr->type == ZEND_USER_FUNCTION && offset >= required) {
zend_op *precv = _get_recv_op((zend_op_array*)fptr, offset);
if (precv && precv->opcode == ZEND_RECV_INIT && precv->op2_type != IS_UNUSED) {
zval zv;
string_write(str, " = ", sizeof(" = ")-1);
ZVAL_DUP(&zv, RT_CONSTANT(&fptr->op_array, precv->op2));
zval_update_constant_ex(&zv, fptr->common.scope);
if (Z_TYPE(zv) == IS_TRUE) {
string_write(str, "true", sizeof("true")-1);
} else if (Z_TYPE(zv) == IS_FALSE) {
string_write(str, "false", sizeof("false")-1);
} else if (Z_TYPE(zv) == IS_NULL) {
string_write(str, "NULL", sizeof("NULL")-1);
} else if (Z_TYPE(zv) == IS_STRING) {
string_write(str, "'", sizeof("'")-1);
string_write(str, Z_STRVAL(zv), MIN(Z_STRLEN(zv), 15));
if (Z_STRLEN(zv) > 15) {
string_write(str, "...", sizeof("...")-1);
}
string_write(str, "'", sizeof("'")-1);
} else if (Z_TYPE(zv) == IS_ARRAY) {
string_write(str, "Array", sizeof("Array")-1);
} else {
zend_string *zv_str = zval_get_string(&zv);
string_write(str, ZSTR_VAL(zv_str), ZSTR_LEN(zv_str));
zend_string_release(zv_str);
}
zval_ptr_dtor(&zv);
}
}
string_write(str, " ]", sizeof(" ]")-1);
}
/* }}} */
/* {{{ _function_parameter_string */
static void _function_parameter_string(string *str, zend_function *fptr, char* indent)
{
struct _zend_arg_info *arg_info = fptr->common.arg_info;
uint32_t i, num_args, required = fptr->common.required_num_args;
if (!arg_info) {
return;
}
num_args = fptr->common.num_args;
if (fptr->common.fn_flags & ZEND_ACC_VARIADIC) {
num_args++;
}
string_printf(str, "\n");
string_printf(str, "%s- Parameters [%d] {\n", indent, num_args);
for (i = 0; i < num_args; i++) {
string_printf(str, "%s ", indent);
_parameter_string(str, fptr, arg_info, i, required, indent);
string_write(str, "\n", sizeof("\n")-1);
arg_info++;
}
string_printf(str, "%s}\n", indent);
}
/* }}} */
/* {{{ _function_closure_string */
static void _function_closure_string(string *str, zend_function *fptr, char* indent)
{
uint32_t i, count;
zend_string *key;
HashTable *static_variables;
if (fptr->type != ZEND_USER_FUNCTION || !fptr->op_array.static_variables) {
return;
}
static_variables = fptr->op_array.static_variables;
count = zend_hash_num_elements(static_variables);
if (!count) {
return;
}
string_printf(str, "\n");
string_printf(str, "%s- Bound Variables [%d] {\n", indent, zend_hash_num_elements(static_variables));
i = 0;
ZEND_HASH_FOREACH_STR_KEY(static_variables, key) {
string_printf(str, "%s Variable #%d [ $%s ]\n", indent, i++, ZSTR_VAL(key));
} ZEND_HASH_FOREACH_END();
string_printf(str, "%s}\n", indent);
}
/* }}} */
/* {{{ _function_string */
static void _function_string(string *str, zend_function *fptr, zend_class_entry *scope, char* indent)
{
string param_indent;
zend_function *overwrites;
zend_string *lc_name;
size_t lc_name_len;
/* TBD: Repair indenting of doc comment (or is this to be done in the parser?)
* What's "wrong" is that any whitespace before the doc comment start is
* swallowed, leading to an unaligned comment.
*/
if (fptr->type == ZEND_USER_FUNCTION && fptr->op_array.doc_comment) {
string_printf(str, "%s%s\n", indent, ZSTR_VAL(fptr->op_array.doc_comment));
}
string_write(str, indent, strlen(indent));
string_printf(str, fptr->common.fn_flags & ZEND_ACC_CLOSURE ? "Closure [ " : (fptr->common.scope ? "Method [ " : "Function [ "));
string_printf(str, (fptr->type == ZEND_USER_FUNCTION) ? "<user" : "<internal");
if (fptr->common.fn_flags & ZEND_ACC_DEPRECATED) {
string_printf(str, ", deprecated");
}
if (fptr->type == ZEND_INTERNAL_FUNCTION && ((zend_internal_function*)fptr)->module) {
string_printf(str, ":%s", ((zend_internal_function*)fptr)->module->name);
}
if (scope && fptr->common.scope) {
if (fptr->common.scope != scope) {
string_printf(str, ", inherits %s", ZSTR_VAL(fptr->common.scope->name));
} else if (fptr->common.scope->parent) {
lc_name_len = ZSTR_LEN(fptr->common.function_name);
lc_name = zend_string_alloc(lc_name_len, 0);
zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(fptr->common.function_name), lc_name_len);
if ((overwrites = zend_hash_find_ptr(&fptr->common.scope->parent->function_table, lc_name)) != NULL) {
if (fptr->common.scope != overwrites->common.scope) {
string_printf(str, ", overwrites %s", ZSTR_VAL(overwrites->common.scope->name));
}
}
efree(lc_name);
}
}
if (fptr->common.prototype && fptr->common.prototype->common.scope) {
string_printf(str, ", prototype %s", ZSTR_VAL(fptr->common.prototype->common.scope->name));
}
if (fptr->common.fn_flags & ZEND_ACC_CTOR) {
string_printf(str, ", ctor");
}
if (fptr->common.fn_flags & ZEND_ACC_DTOR) {
string_printf(str, ", dtor");
}
string_printf(str, "> ");
if (fptr->common.fn_flags & ZEND_ACC_ABSTRACT) {
string_printf(str, "abstract ");
}
if (fptr->common.fn_flags & ZEND_ACC_FINAL) {
string_printf(str, "final ");
}
if (fptr->common.fn_flags & ZEND_ACC_STATIC) {
string_printf(str, "static ");
}
if (fptr->common.scope) {
/* These are mutually exclusive */
switch (fptr->common.fn_flags & ZEND_ACC_PPP_MASK) {
case ZEND_ACC_PUBLIC:
string_printf(str, "public ");
break;
case ZEND_ACC_PRIVATE:
string_printf(str, "private ");
break;
case ZEND_ACC_PROTECTED:
string_printf(str, "protected ");
break;
default:
string_printf(str, "<visibility error> ");
break;
}
string_printf(str, "method ");
} else {
string_printf(str, "function ");
}
if (fptr->op_array.fn_flags & ZEND_ACC_RETURN_REFERENCE) {
string_printf(str, "&");
}
string_printf(str, "%s ] {\n", ZSTR_VAL(fptr->common.function_name));
/* The information where a function is declared is only available for user classes */
if (fptr->type == ZEND_USER_FUNCTION) {
string_printf(str, "%s @@ %s %d - %d\n", indent,
ZSTR_VAL(fptr->op_array.filename),
fptr->op_array.line_start,
fptr->op_array.line_end);
}
string_init(¶m_indent);
string_printf(¶m_indent, "%s ", indent);
if (fptr->common.fn_flags & ZEND_ACC_CLOSURE) {
_function_closure_string(str, fptr, ZSTR_VAL(param_indent.buf));
}
_function_parameter_string(str, fptr, ZSTR_VAL(param_indent.buf));
string_free(¶m_indent);
if (fptr->op_array.fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
string_printf(str, " %s- Return [ ", indent);
if (fptr->common.arg_info[-1].class_name) {
string_printf(str, "%s ",
(fptr->type == ZEND_INTERNAL_FUNCTION &&
!(fptr->common.fn_flags & ZEND_ACC_USER_ARG_INFO)) ?
((zend_internal_arg_info*)(fptr->common.arg_info - 1))->class_name :
ZSTR_VAL(fptr->common.arg_info[-1].class_name));
if (fptr->common.arg_info[-1].allow_null) {
string_printf(str, "or NULL ");
}
} else if (fptr->common.arg_info[-1].type_hint) {
string_printf(str, "%s ", zend_get_type_by_const(fptr->common.arg_info[-1].type_hint));
if (fptr->common.arg_info[-1].allow_null) {
string_printf(str, "or NULL ");
}
}
string_printf(str, "]\n");
}
string_printf(str, "%s}\n", indent);
}
/* }}} */
/* {{{ _property_string */
static void _property_string(string *str, zend_property_info *prop, char *prop_name, char* indent)
{
const char *class_name;
string_printf(str, "%sProperty [ ", indent);
if (!prop) {
string_printf(str, "<dynamic> public $%s", prop_name);
} else {
if (!(prop->flags & ZEND_ACC_STATIC)) {
if (prop->flags & ZEND_ACC_IMPLICIT_PUBLIC) {
string_write(str, "<implicit> ", sizeof("<implicit> ") - 1);
} else {
string_write(str, "<default> ", sizeof("<default> ") - 1);
}
}
/* These are mutually exclusive */
switch (prop->flags & ZEND_ACC_PPP_MASK) {
case ZEND_ACC_PUBLIC:
string_printf(str, "public ");
break;
case ZEND_ACC_PRIVATE:
string_printf(str, "private ");
break;
case ZEND_ACC_PROTECTED:
string_printf(str, "protected ");
break;
}
if(prop->flags & ZEND_ACC_STATIC) {
string_printf(str, "static ");
}
zend_unmangle_property_name(prop->name, &class_name, (const char**)&prop_name);
string_printf(str, "$%s", prop_name);
}
string_printf(str, " ]\n");
}
/* }}} */
static int _extension_ini_string(zval *el, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
{
zend_ini_entry *ini_entry = (zend_ini_entry*)Z_PTR_P(el);
string *str = va_arg(args, string *);
char *indent = va_arg(args, char *);
int number = va_arg(args, int);
char *comma = "";
if (number == ini_entry->module_number) {
string_printf(str, " %sEntry [ %s <", indent, ZSTR_VAL(ini_entry->name));
if (ini_entry->modifiable == ZEND_INI_ALL) {
string_printf(str, "ALL");
} else {
if (ini_entry->modifiable & ZEND_INI_USER) {
string_printf(str, "USER");
comma = ",";
}
if (ini_entry->modifiable & ZEND_INI_PERDIR) {
string_printf(str, "%sPERDIR", comma);
comma = ",";
}
if (ini_entry->modifiable & ZEND_INI_SYSTEM) {
string_printf(str, "%sSYSTEM", comma);
}
}
string_printf(str, "> ]\n");
string_printf(str, " %s Current = '%s'\n", indent, ini_entry->value ? ZSTR_VAL(ini_entry->value) : "");