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xdebug_var.c
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xdebug_var.c
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/*
+----------------------------------------------------------------------+
| Xdebug |
+----------------------------------------------------------------------+
| Copyright (c) 2002-2016 Derick Rethans |
+----------------------------------------------------------------------+
| This source file is subject to version 1.0 of the Xdebug license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://xdebug.derickrethans.nl/license.php |
| If you did not receive a copy of the Xdebug license and are unable |
| to obtain it through the world-wide-web, please send a note to |
| xdebug@derickrethans.nl so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Derick Rethans <derick@xdebug.org> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "ext/standard/php_string.h"
#include "ext/standard/url.h"
#include "zend.h"
#include "zend_extensions.h"
#if PHP_VERSION_ID >= 70000
# include "ext/standard/php_smart_string.h"
# include "zend_smart_str.h"
#else
# include "ext/standard/php_smart_str.h"
#endif
#include "php_xdebug.h"
#include "xdebug_compat.h"
#include "xdebug_private.h"
#include "xdebug_mm.h"
#include "xdebug_var.h"
#include "xdebug_xml.h"
/* Set correct int format to use */
#if PHP_VERSION_ID >= 70000
# include "Zend/zend_long.h"
# if SIZEOF_ZEND_LONG == 4
# define XDEBUG_INT_FMT "%ld"
# else
# define XDEBUG_INT_FMT "%lld"
# endif
#else
# define XDEBUG_INT_FMT "%ld"
#endif
ZEND_EXTERN_MODULE_GLOBALS(xdebug)
HashTable *xdebug_objdebug_pp(zval **zval_pp, int *is_tmp TSRMLS_DC)
{
zval dzval = **zval_pp;
HashTable *tmp;
if (!XG(in_debug_info) && Z_OBJ_HANDLER(dzval, get_debug_info)) {
zend_bool old_trace = XG(do_trace);
#if PHP_VERSION_ID >= 70000
zend_object *orig_exception;
#else
zval *orig_exception;
#endif
XG(do_trace) = 0;
XG(in_debug_info) = 1;
orig_exception = EG(exception);
EG(exception) = NULL;
tmp = Z_OBJ_HANDLER(dzval, get_debug_info)(&dzval, is_tmp TSRMLS_CC);
XG(in_debug_info) = 0;
XG(do_trace) = old_trace;
EG(exception) = orig_exception;
return tmp;
} else {
*is_tmp = 0;
if (Z_OBJ_HANDLER(dzval, get_properties)) {
return Z_OBJPROP(dzval);
}
}
return NULL;
}
char* xdebug_error_type_simple(int type)
{
switch (type) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
return xdstrdup("fatal-error");
break;
case E_RECOVERABLE_ERROR:
return xdstrdup("catchable-fatal-error");
break;
case E_WARNING:
case E_CORE_WARNING:
case E_COMPILE_WARNING:
case E_USER_WARNING:
return xdstrdup("warning");
break;
case E_PARSE:
return xdstrdup("parse-error");
break;
case E_NOTICE:
case E_USER_NOTICE:
return xdstrdup("notice");
break;
case E_STRICT:
return xdstrdup("strict-standards");
break;
case E_DEPRECATED:
case E_USER_DEPRECATED:
return xdstrdup("deprecated");
break;
case 0:
return xdstrdup("xdebug");
break;
default:
return xdstrdup("unknown-error");
break;
}
}
char* xdebug_error_type(int type)
{
switch (type) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
return xdstrdup("Fatal error");
break;
case E_RECOVERABLE_ERROR:
return xdstrdup("Catchable fatal error");
break;
case E_WARNING:
case E_CORE_WARNING:
case E_COMPILE_WARNING:
case E_USER_WARNING:
return xdstrdup("Warning");
break;
case E_PARSE:
return xdstrdup("Parse error");
break;
case E_NOTICE:
case E_USER_NOTICE:
return xdstrdup("Notice");
break;
case E_STRICT:
return xdstrdup("Strict standards");
break;
case E_DEPRECATED:
case E_USER_DEPRECATED:
return xdstrdup("Deprecated");
break;
case 0:
return xdstrdup("Xdebug");
break;
default:
return xdstrdup("Unknown error");
break;
}
}
/*************************************************************************************************************************************/
#if PHP_VERSION_ID >= 70000
# define T(offset) (*(union _temp_variable *)((char*)zdata->current_execute_data->Ts + offset))
#elif PHP_VERSION_ID >= 50500
# define T(offset) (*EX_TMP_VAR(zdata, offset))
#else
# define T(offset) (*(temp_variable *)((char*)zdata->Ts + offset))
#endif
#if PHP_VERSION_ID >= 70000
zval *xdebug_get_zval(zend_execute_data *zdata, int node_type, const znode_op *node, int *is_var)
{
zend_free_op should_free;
return zend_get_zval_ptr(node_type, node, zdata, &should_free, BP_VAR_IS);
}
#else
zval *xdebug_get_zval(zend_execute_data *zdata, int node_type, const znode_op *node, int *is_var)
{
switch (node_type) {
case IS_CONST:
#if PHP_VERSION_ID >= 50300
return node->zv;
#else
return &node->u.constant;
#endif
break;
case IS_TMP_VAR:
*is_var = 1;
return &T(node->var).tmp_var;
break;
case IS_VAR:
*is_var = 1;
if (T(node->var).var.ptr) {
return T(node->var).var.ptr;
}
break;
case IS_CV: {
zval **tmp;
tmp = zend_get_compiled_variable_value(zdata, node->constant);
if (tmp) {
return *tmp;
}
break;
}
case IS_UNUSED:
fprintf(stderr, "\nIS_UNUSED\n");
break;
default:
fprintf(stderr, "\ndefault %d\n", node_type);
break;
}
*is_var = 1;
return NULL;
}
#endif
/*****************************************************************************
** PHP Variable related utility functions
*/
/*****************************************************************************
** Data returning functions
*/
#define XF_ST_ROOT 0
#define XF_ST_ARRAY_INDEX_NUM 1
#define XF_ST_ARRAY_INDEX_ASSOC 2
#define XF_ST_OBJ_PROPERTY 3
#define XF_ST_STATIC_ROOT 4
#define XF_ST_STATIC_PROPERTY 5
inline static HashTable *fetch_ht_from_zval(zval *z TSRMLS_DC)
{
#if PHP_VERSION_ID >= 70000
if (Z_TYPE_P(z) == IS_REFERENCE) {
z = &z->value.ref->val;
}
#endif
switch (Z_TYPE_P(z)) {
case IS_ARRAY:
return Z_ARRVAL_P(z);
break;
case IS_OBJECT:
return Z_OBJPROP_P(z);
break;
}
return NULL;
}
#if PHP_VERSION_ID >= 70000
inline static char *fetch_classname_from_zval(zval *z, int *length, zend_class_entry **ce TSRMLS_DC)
{
zend_string *class_name;
if (Z_TYPE_P(z) != IS_OBJECT) {
return NULL;
}
class_name = Z_OBJ_HANDLER_P(z, get_class_name)(Z_OBJ_P(z));
*ce = Z_OBJCE_P(z);
*length = class_name->len;
return estrdup(class_name->val);
}
#else
inline static char *fetch_classname_from_zval(zval *z, int *length, zend_class_entry **ce TSRMLS_DC)
{
char *name;
SIZETorZUINT name_len;
zend_class_entry *tmp_ce;
if (Z_TYPE_P(z) != IS_OBJECT) {
return NULL;
}
tmp_ce = zend_get_class_entry(z TSRMLS_CC);
if (Z_OBJ_HT_P(z)->get_class_name == NULL ||
Z_OBJ_HT_P(z)->get_class_name(z, (const char **) &name, &name_len, 0 TSRMLS_CC) != SUCCESS) {
if (!tmp_ce) {
return NULL;
}
*length = tmp_ce->name_length;
*ce = tmp_ce;
return estrdup(tmp_ce->name);
} else {
*ce = tmp_ce;
}
*length = name_len;
return name;
}
#endif
static char* prepare_search_key(char *name, unsigned int *name_length, char *prefix, int prefix_length)
{
char *element;
int extra_length = 0;
if (prefix_length) {
if (prefix[0] == '*') {
extra_length = 3;
} else {
extra_length = 2 + prefix_length;
}
}
element = malloc(*name_length + 1 + extra_length);
memset(element, 0, *name_length + 1 + extra_length);
if (extra_length) {
memcpy(element + 1, prefix, extra_length - 2);
}
memcpy(element + extra_length, name, *name_length);
*name_length += extra_length;
return element;
}
static zval *get_arrayobject_storage(zval *parent TSRMLS_DC)
{
int is_temp;
HashTable *properties = Z_OBJDEBUG_P(parent, is_temp);
#if PHP_VERSION_ID >= 70000
zval *tmp = NULL;
if ((tmp = zend_hash_str_find(properties, "\0ArrayObject\0storage", sizeof("*ArrayObject*storage") - 1)) != NULL) {
return tmp;
#else
zval **tmp = NULL;
if (zend_hash_find(properties, "\0ArrayObject\0storage", sizeof("*ArrayObject*storage"), (void **) &tmp) == SUCCESS) {
return *tmp;
#endif
}
return NULL;
}
static zval *get_splobjectstorage_storage(zval *parent TSRMLS_DC)
{
int is_temp;
HashTable *properties = Z_OBJDEBUG_P(parent, is_temp);
#if PHP_VERSION_ID >= 70000
zval *tmp = NULL;
if ((tmp = zend_hash_str_find(properties, "\0SplObjectStorage\0storage", sizeof("*SplObjectStorage*storage") - 1)) != NULL) {
return tmp;
#else
zval **tmp = NULL;
if (zend_hash_find(properties, "\0SplObjectStorage\0storage", sizeof("*SplObjectStorage*storage"), (void **) &tmp) == SUCCESS) {
return *tmp;
#endif
}
return NULL;
}
static zval *get_arrayiterator_storage(zval *parent TSRMLS_DC)
{
int is_temp;
HashTable *properties = Z_OBJDEBUG_P(parent, is_temp);
#if PHP_VERSION_ID >= 70000
zval *tmp = NULL;
if ((tmp = zend_hash_str_find(properties, "\0ArrayIterator\0storage", sizeof("*ArrayIterator*storage") - 1)) != NULL) {
return tmp;
#else
zval **tmp = NULL;
if (zend_hash_find(properties, "\0ArrayIterator\0storage", sizeof("*ArrayIterator*storage"), (void **) &tmp) == SUCCESS) {
return *tmp;
#endif
}
return NULL;
}
static zval* fetch_zval_from_symbol_table(zval *parent, char* name, unsigned int name_length, int type, char* ccn, int ccnl, zend_class_entry *cce TSRMLS_DC)
{
HashTable *ht = NULL;
zval *retval_p = NULL;
#if PHP_VERSION_ID < 70000
zval **retval_pp = NULL;
#endif
char *element = NULL;
unsigned int element_length = name_length;
zend_property_info *zpp;
if (parent) {
ht = fetch_ht_from_zval(parent TSRMLS_CC);
}
switch (type) {
case XF_ST_STATIC_ROOT:
case XF_ST_STATIC_PROPERTY:
/* First we try a public,private,protected property */
element = prepare_search_key(name, &element_length, "", 0);
#if PHP_VERSION_ID >= 70000
if (cce && &cce->properties_info && ((zpp = zend_hash_str_find_ptr(&cce->properties_info, element, element_length)) != NULL) && cce->static_members_table) {
retval_p = &cce->static_members_table[zpp->offset];
#else
if (cce && &cce->properties_info && zend_hash_find(&cce->properties_info, element, element_length + 1, (void **) &zpp) == SUCCESS) {
retval_p = cce->static_members_table[zpp->offset];
#endif
goto cleanup;
}
element_length = name_length;
/* Then we try to see whether the first char is * and use the part between * and * as class name for the private property */
if (name[0] == '*') {
char *secondStar;
secondStar = strstr(name + 1, "*");
if (secondStar) {
free(element);
element_length = name_length - (secondStar + 1 - name);
element = prepare_search_key(secondStar + 1, &element_length, "", 0);
#if PHP_VERSION_ID >= 70000
if (cce && &cce->properties_info && ((zpp = zend_hash_str_find_ptr(&cce->properties_info, element, element_length)) != NULL)) {
retval_p = &cce->static_members_table[zpp->offset];
#else
if (cce && &cce->properties_info && zend_hash_find(&cce->properties_info, element, element_length + 1, (void **) &zpp) == SUCCESS) {
retval_p = cce->static_members_table[zpp->offset];
#endif
goto cleanup;
}
}
}
break;
case XF_ST_ROOT:
/* Check for compiled vars */
element = prepare_search_key(name, &element_length, "", 0);
#if PHP_VERSION_ID >= 70000
if (XG(active_execute_data) && XG(active_execute_data)->func) {
#else
if (XG(active_execute_data) && XG(active_execute_data)->op_array) {
#endif
int i = 0;
#if PHP_VERSION_ID >= 70000
hashULONG hash_value = zend_inline_hash_func(element, element_length);
zend_op_array *opa = &XG(active_execute_data)->func->op_array;
#else
hashULONG hash_value = zend_inline_hash_func(element, element_length + 1);
zend_op_array *opa = XG(active_execute_data)->op_array;
#endif
zval **CV;
while (i < opa->last_var) {
#if PHP_VERSION_ID >= 70000
if (ZSTR_H(opa->vars[i]) == hash_value &&
ZSTR_LEN(opa->vars[i]) == element_length &&
strncmp(STR_NAME_VAL(opa->vars[i]), element, element_length) == 0)
#else
if (opa->vars[i].hash_value == hash_value &&
opa->vars[i].name_len == (int) element_length &&
strcmp(STR_NAME_VAL(opa->vars[i].name), element) == 0)
#endif
{
#if PHP_VERSION_ID >= 70000
zval *CV_z = ZEND_CALL_VAR_NUM(XG(active_execute_data), i);
CV = &CV_z;
#elif PHP_VERSION_ID >= 50500
CV = (*EX_CV_NUM(XG(active_execute_data), i));
#else
CV = XG(active_execute_data)->CVs[i];
#endif
if (CV) {
retval_p = *CV;
goto cleanup;
}
}
i++;
}
}
free(element);
ht = XG(active_symbol_table);
/* break intentionally missing */
case XF_ST_ARRAY_INDEX_ASSOC:
element = prepare_search_key(name, &name_length, "", 0);
/* Handle "this" in a different way */
if (type == XF_ST_ROOT && strcmp("this", element) == 0) {
if (XG(This)) {
retval_p = XG(This);
} else {
retval_p = NULL;
}
goto cleanup;
}
#if PHP_VERSION_ID >= 70000
if (ht && ((retval_p = zend_hash_str_find(ht, element, name_length)) != NULL)) {
#else
if (ht && zend_hash_find(ht, element, name_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
#endif
goto cleanup;
}
break;
case XF_ST_ARRAY_INDEX_NUM:
element = prepare_search_key(name, &name_length, "", 0);
#if PHP_VERSION_ID >= 70000
if (ht && ((retval_p = zend_hash_index_find(ht, strtoull(element, NULL, 10))) != NULL)) {
#else
if (ht && zend_hash_index_find(ht, strtoul(element, NULL, 10), (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
#endif
goto cleanup;
}
break;
case XF_ST_OBJ_PROPERTY:
/* First we try an object handler */
if (cce) {
zval *tmp_val;
#if PHP_VERSION_ID >= 70000
zval dummy;
tmp_val = zend_read_property(cce, parent, name, name_length, 0, &dummy);
if (tmp_val && tmp_val != &EG(uninitialized_zval)) {
#else
tmp_val = zend_read_property(cce, parent, name, name_length, 0 TSRMLS_CC);
if (tmp_val && tmp_val != EG(uninitialized_zval_ptr)) {
#endif
retval_p = tmp_val;
goto cleanup;
}
if (EG(exception)) {
zend_clear_exception(TSRMLS_C);
}
}
/* Then we try a public property */
element = prepare_search_key(name, &element_length, "", 0);
#if PHP_VERSION_ID >= 70000
if (ht && ((retval_p = zend_symtable_str_find(ht, element, element_length)) != NULL)) {
#else
if (ht && zend_symtable_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
#endif
goto cleanup;
}
element_length = name_length;
/* Then we try it again as protected property */
free(element);
element = prepare_search_key(name, &element_length, "*", 1);
#if PHP_VERSION_ID >= 70000
if (ht && ((retval_p = zend_hash_str_find(ht, element, element_length)) != NULL)) {
#else
if (ht && zend_hash_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
#endif
goto cleanup;
}
element_length = name_length;
/* Then we try it again as private property */
free(element);
element = prepare_search_key(name, &element_length, ccn, ccnl);
#if PHP_VERSION_ID >= 70000
if (ht && ((retval_p = zend_hash_str_find(ht, element, element_length)) != NULL)) {
#else
if (ht && zend_hash_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
#endif
goto cleanup;
}
element_length = name_length;
/* All right, time for a mega hack. It's SplObjectStorage access time! */
if (strncmp(ccn, "SplObjectStorage", ccnl) == 0 && strncmp(name, "storage", name_length) == 0) {
element = NULL;
if ((retval_p = get_splobjectstorage_storage(parent TSRMLS_CC)) != NULL) {
if (retval_p) {
goto cleanup;
}
}
}
/* Then we try to see whether the first char is * and use the part between * and * as class name for the private property */
if (name[0] == '*') {
char *secondStar;
secondStar = strstr(name + 1, "*");
if (secondStar) {
free(element);
element_length = name_length - (secondStar + 1 - name);
/* All right, time for a mega hack. It's ArrayObject access time! */
if (strncmp(name + 1, "ArrayObject", secondStar - name - 1) == 0 && strncmp(secondStar + 1, "storage", element_length) == 0) {
element = NULL;
if ((retval_p = get_arrayobject_storage(parent TSRMLS_CC)) != NULL) {
if (retval_p) {
goto cleanup;
}
}
}
/* All right, time for a mega hack. It's ArrayIterator access time! */
if (strncmp(name + 1, "ArrayIterator", secondStar - name - 1) == 0 && strncmp(secondStar + 1, "storage", element_length) == 0) {
element = NULL;
if ((retval_p = get_arrayiterator_storage(parent TSRMLS_CC)) != NULL) {
if (retval_p) {
goto cleanup;
}
}
}
/* The normal one */
element = prepare_search_key(secondStar + 1, &element_length, name + 1, secondStar - name - 1);
#if PHP_VERSION_ID >= 70000
if (ht && ((retval_p = zend_hash_str_find(ht, element, element_length)) != NULL)) {
#else
if (ht && zend_hash_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
#endif
goto cleanup;
}
}
}
break;
}
cleanup:
if (element) {
free(element);
}
return retval_p;
}
zval* xdebug_get_php_symbol(char* name TSRMLS_DC)
{
int found = -1;
int state = 0;
char **p = &name;
char *keyword = NULL, *keyword_end = NULL;
int type = XF_ST_ROOT;
zval *retval = NULL;
char *current_classname = NULL;
zend_class_entry *current_ce = NULL;
int cc_length = 0;
char quotechar = 0;
do {
if (*p[0] == '\0') {
found = 0;
} else {
switch (state) {
case 0:
if (*p[0] == '$') {
keyword = *p + 1;
break;
}
if (*p[0] == ':') { /* special tricks */
keyword = *p;
state = 7;
break;
}
keyword = *p;
state = 1;
/* break intentionally missing */
case 1:
if (*p[0] == '[') {
keyword_end = *p;
if (keyword) {
retval = fetch_zval_from_symbol_table(retval, keyword, keyword_end - keyword, type, current_classname, cc_length, current_ce TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
cc_length = 0;
current_ce = NULL;
keyword = NULL;
}
state = 3;
} else if (*p[0] == '-') {
keyword_end = *p;
if (keyword) {
retval = fetch_zval_from_symbol_table(retval, keyword, keyword_end - keyword, type, current_classname, cc_length, current_ce TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
cc_length = 0;
current_ce = NULL;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length, ¤t_ce TSRMLS_CC);
}
keyword = NULL;
}
state = 2;
type = XF_ST_OBJ_PROPERTY;
} else if (*p[0] == ':') {
keyword_end = *p;
if (keyword) {
retval = fetch_zval_from_symbol_table(retval, keyword, keyword_end - keyword, type, current_classname, cc_length, current_ce TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
cc_length = 0;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length, ¤t_ce TSRMLS_CC);
}
keyword = NULL;
}
state = 8;
type = XF_ST_STATIC_PROPERTY;
}
break;
case 2:
if (*p[0] != '>') {
keyword = *p;
state = 1;
}
break;
case 8:
if (*p[0] != ':') {
keyword = *p;
state = 1;
}
break;
case 3: /* Parsing in [...] */
/* Associative arrays */
if (*p[0] == '\'' || *p[0] == '"') {
state = 4;
keyword = *p + 1;
quotechar = *p[0];
type = XF_ST_ARRAY_INDEX_ASSOC;
}
/* Numerical index */
if (*p[0] >= '0' && *p[0] <= '9') {
cc_length = 0;
state = 6;
keyword = *p;
type = XF_ST_ARRAY_INDEX_NUM;
}
/* Numerical index starting with a - */
if (*p[0] == '-') {
state = 9;
keyword = *p;
}
break;
case 9:
/* Numerical index starting with a - */
if (*p[0] >= '0' && *p[0] <= '9') {
state = 6;
type = XF_ST_ARRAY_INDEX_NUM;
}
break;
case 4:
if (*p[0] == quotechar) {
quotechar = 0;
state = 5;
keyword_end = *p;
retval = fetch_zval_from_symbol_table(retval, keyword, keyword_end - keyword, type, current_classname, cc_length, current_ce TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
cc_length = 0;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length, ¤t_ce TSRMLS_CC);
}
keyword = NULL;
}
break;
case 5:
if (*p[0] == ']') {
state = 1;
}
break;
case 6:
if (*p[0] == ']') {
state = 1;
keyword_end = *p;
retval = fetch_zval_from_symbol_table(retval, keyword, keyword_end - keyword, type, current_classname, cc_length, current_ce TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
cc_length = 0;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length, ¤t_ce TSRMLS_CC);
}
keyword = NULL;
}
break;
case 7: /* special cases, started with a ":" */
if (*p[0] == ':') {
state = 1;
keyword_end = *p;
if (strncmp(keyword, "::", 2) == 0 && XG(active_fse)->function.class) { /* static class properties */
zend_class_entry *ce = xdebug_fetch_class(XG(active_fse)->function.class, strlen(XG(active_fse)->function.class), ZEND_FETCH_CLASS_SELF TSRMLS_CC);
current_classname = estrdup(STR_NAME_VAL(ce->name));
cc_length = strlen(STR_NAME_VAL(ce->name));
current_ce = ce;
keyword = *p + 1;
type = XF_ST_STATIC_ROOT;
} else {
keyword = NULL;
}
}
break;
}
(*p)++;
}
} while (found < 0);
if (keyword != NULL) {
retval = fetch_zval_from_symbol_table(retval, keyword, *p - keyword, type, current_classname, cc_length, current_ce TSRMLS_CC);
}
if (current_classname) {
efree(current_classname);
}
return retval;
}
char* xdebug_get_property_info(char *mangled_property, int mangled_len, char **property_name, char **class_name)
{
const char *prop_name, *cls_name;
#if PHP_VERSION_ID >= 70000
zend_string *i_mangled = zend_string_init(mangled_property, mangled_len - 1, 0);
zend_unmangle_property_name(i_mangled, &cls_name, &prop_name);
#else
zend_unmangle_property_name(mangled_property, mangled_len, &cls_name, &prop_name);
#endif
*property_name = (char *) xdstrdup(prop_name);
*class_name = cls_name ? xdstrdup(cls_name) : NULL;
#if PHP_VERSION_ID >= 70000
zend_string_release(i_mangled);
#endif
if (*class_name) {
if (*class_name[0] == '*') {
return "protected";
} else {
return "private";
}
} else {
return "public";
}
}
#define XDEBUG_MAX_INT 2147483647
xdebug_var_export_options* xdebug_var_export_options_from_ini(TSRMLS_D)
{
xdebug_var_export_options *options;
options = xdmalloc(sizeof(xdebug_var_export_options));
options->max_children = XG(display_max_children);
options->max_data = XG(display_max_data);
options->max_depth = XG(display_max_depth);
options->show_hidden = 0;
options->show_location = XG(overload_var_dump) > 1;
if (options->max_children == -1 || options->max_children > XDEBUG_MAX_INT) {
options->max_children = XDEBUG_MAX_INT;
} else if (options->max_children < 1) {
options->max_children = 0;
}
if (options->max_data == -1 || options->max_data > XDEBUG_MAX_INT) {
options->max_data = XDEBUG_MAX_INT;
} else if (options->max_data < 1) {
options->max_data = 0;
}
if (options->max_depth == -1 || options->max_depth > 1023) {
options->max_depth = 1023;
} else if (options->max_depth < 1) {
options->max_depth = 0;
}
options->runtime = (xdebug_var_runtime_page*) xdmalloc((options->max_depth + 1) * sizeof(xdebug_var_runtime_page));
options->no_decoration = 0;
return options;
}
xdebug_var_export_options xdebug_var_nolimit_options = { XDEBUG_MAX_INT, XDEBUG_MAX_INT, 1023, 1, 0, NULL, 0 };
xdebug_var_export_options* xdebug_var_get_nolimit_options(TSRMLS_D)
{
return &xdebug_var_nolimit_options;
}
/*****************************************************************************
** Normal variable printing routines
*/
#if PHP_VERSION_ID >= 70000
static int xdebug_array_element_export(zval *zv_nptr, zend_ulong index, zend_string *hash_key, int level, xdebug_str *str, int debug_zval, xdebug_var_export_options *options)
{
zval **zv = &zv_nptr;
#else
static int xdebug_array_element_export(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key)
{
int level = va_arg(args, int);
xdebug_str *str = va_arg(args, struct xdebug_str*);
int debug_zval = va_arg(args, int);
xdebug_var_export_options *options = va_arg(args, xdebug_var_export_options*);
#endif
if (options->runtime[level].current_element_nr >= options->runtime[level].start_element_nr &&
options->runtime[level].current_element_nr < options->runtime[level].end_element_nr)
{
if (HASH_KEY_IS_NUMERIC(hash_key)) { /* numeric key */
xdebug_str_add(str, xdebug_sprintf(XDEBUG_INT_FMT " => ", HASH_APPLY_NUMERIC(hash_key)), 1);
} else { /* string key */
SIZETorINT newlen = 0;
char *tmp, *tmp2;
tmp = xdebug_str_to_str((char*) HASH_APPLY_KEY_VAL(hash_key), HASH_APPLY_KEY_LEN(hash_key), "'", 1, "\\'", 2, &newlen);
tmp2 = xdebug_str_to_str(tmp, newlen - 1, "\0", 1, "\\0", 2, &newlen);
if (tmp) {
efree(tmp);
}
xdebug_str_addl(str, "'", 1, 0);
if (tmp2) {
xdebug_str_addl(str, tmp2, newlen, 0);
efree(tmp2);
}
xdebug_str_add(str, "' => ", 0);
}
xdebug_var_export(zv, str, level + 2, debug_zval, options TSRMLS_CC);
xdebug_str_addl(str, ", ", 2, 0);
}
if (options->runtime[level].current_element_nr == options->runtime[level].end_element_nr) {
xdebug_str_addl(str, "..., ", 5, 0);
}
options->runtime[level].current_element_nr++;
return 0;
}
#if PHP_VERSION_ID >= 70000
static int xdebug_object_element_export(zval *zv_nptr, zend_ulong index, zend_string *hash_key, int level, xdebug_str *str, int debug_zval, xdebug_var_export_options *options, char *class_name)
{
zval **zv = &zv_nptr;
#else
static int xdebug_object_element_export(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key)
{
int level = va_arg(args, int);
xdebug_str *str = va_arg(args, struct xdebug_str*);
int debug_zval = va_arg(args, int);
xdebug_var_export_options *options = va_arg(args, xdebug_var_export_options*);
char *class_name = va_arg(args, char*);
#endif
if (options->runtime[level].current_element_nr >= options->runtime[level].start_element_nr &&
options->runtime[level].current_element_nr < options->runtime[level].end_element_nr)
{
if (!HASH_KEY_IS_NUMERIC(hash_key)) {
char *prop_name, *modifier, *prop_class_name;
modifier = xdebug_get_property_info((char*) HASH_APPLY_KEY_VAL(hash_key), HASH_APPLY_KEY_LEN(hash_key), &prop_name, &prop_class_name);
if (strcmp(modifier, "private") != 0 || strcmp(class_name, prop_class_name) == 0) {
xdebug_str_add(str, xdebug_sprintf("%s $%s = ", modifier, prop_name), 1);
} else {
xdebug_str_add(str, xdebug_sprintf("%s ${%s}:%s = ", modifier, prop_class_name, prop_name), 1);
}
xdfree(prop_name);
xdfree(prop_class_name);
} else {
xdebug_str_add(str, xdebug_sprintf("public $%d = ", HASH_APPLY_NUMERIC(hash_key)), 1);
}
xdebug_var_export(zv, str, level + 2, debug_zval, options TSRMLS_CC);
xdebug_str_addl(str, "; ", 2, 0);
}
if (options->runtime[level].current_element_nr == options->runtime[level].end_element_nr) {
xdebug_str_addl(str, "...; ", 5, 0);
}
options->runtime[level].current_element_nr++;
return 0;