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xdebug_handler_dbgp.c
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xdebug_handler_dbgp.c
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/*
+----------------------------------------------------------------------+
| Xdebug |
+----------------------------------------------------------------------+
| Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007 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> |
| Shane Caraveo <shanec@ActiveState.com> |
+----------------------------------------------------------------------+
*/
#include <sys/types.h>
#ifndef PHP_WIN32
#include <unistd.h>
#endif
#include "php.h"
#include "SAPI.h"
#include "ext/standard/php_string.h"
#include "ext/standard/url.h"
#include "main/php_version.h"
#include "TSRM.h"
#include "php_globals.h"
#include "php_xdebug.h"
#include "xdebug_private.h"
#include "xdebug_com.h"
#include "xdebug_handler_dbgp.h"
#include "xdebug_hash.h"
#include "xdebug_llist.h"
#include "xdebug_mm.h"
#include "xdebug_var.h"
#include "xdebug_xml.h"
#include "xdebug_compat.h"
#ifdef PHP_WIN32
#include "win32/time.h"
#include <process.h>
#endif
#include <fcntl.h>
ZEND_EXTERN_MODULE_GLOBALS(xdebug)
static char *create_eval_key_id(int id);
/*****************************************************************************
** Constants and strings for statii and reasons
*/
/* Status structure */
#define DBGP_STATUS_STARTING 1
#define DBGP_STATUS_STOPPING 2
#define DBGP_STATUS_STOPPED 3
#define DBGP_STATUS_RUNNING 4
#define DBGP_STATUS_BREAK 5
#define DBGP_STATUS_DETACHED 6
char *xdebug_dbgp_status_strings[6] =
{"", "starting", "stopping", "stopped", "running", "break"};
#define DBGP_REASON_OK 0
#define DBGP_REASON_ERROR 1
#define DBGP_REASON_ABORTED 2
#define DBGP_REASON_EXCEPTION 3
char *xdebug_dbgp_reason_strings[4] =
{"ok", "error", "aborted", "exception"};
typedef struct {
int code;
char *message;
} xdebug_error_entry;
xdebug_error_entry xdebug_error_codes[24] = {
{ 0, "no error" },
{ 1, "parse error in command" },
{ 2, "duplicate arguments in command" },
{ 3, "invalid or missing options" },
{ 4, "unimplemented command" },
{ 5, "command is not available" },
{ 100, "can not open file" },
{ 101, "stream redirect failed" },
{ 200, "breakpoint could not be set" },
{ 201, "breakpoint type is not supported" },
{ 202, "invalid breakpoint line" },
{ 203, "no code on breakpoint line" },
{ 204, "invalid breakpoint state" },
{ 205, "no such breakpoint" },
{ 206, "error evaluating code" },
{ 207, "invalid expression" },
{ 300, "can not get property" },
{ 301, "stack depth invalid" },
{ 302, "context invalid" },
{ 800, "profiler not started" },
{ 900, "encoding not supported" },
{ 998, "an internal exception in the debugger" },
{ 999, "unknown error" },
{ -1, NULL }
};
#define XDEBUG_STR_SWITCH_DECL char *__switch_variable
#define XDEBUG_STR_SWITCH(s) __switch_variable = (s);
#define XDEBUG_STR_CASE(s) if (strcmp(__switch_variable, s) == 0) {
#define XDEBUG_STR_CASE_END } else
#define XDEBUG_STR_CASE_DEFAULT {
#define XDEBUG_STR_CASE_DEFAULT_END }
#define XDEBUG_TYPES_COUNT 8
char *xdebug_dbgp_typemap[XDEBUG_TYPES_COUNT][3] = {
/* common, lang, schema */
{"bool", "bool", "xsd:boolean"},
{"int", "int", "xsd:decimal"},
{"float", "float", "xsd:double"},
{"string", "string", "xsd:string"},
{"null", "null", NULL},
{"hash", "array", NULL},
{"object", "object", NULL},
{"resource", "resource", NULL}
};
/*****************************************************************************
** Prototypes for debug command handlers
*/
/* DBGP_FUNC(break); */
DBGP_FUNC(breakpoint_get);
DBGP_FUNC(breakpoint_list);
DBGP_FUNC(breakpoint_remove);
DBGP_FUNC(breakpoint_set);
DBGP_FUNC(breakpoint_update);
DBGP_FUNC(context_get);
DBGP_FUNC(context_names);
DBGP_FUNC(eval);
DBGP_FUNC(feature_get);
DBGP_FUNC(feature_set);
DBGP_FUNC(typemap_get);
DBGP_FUNC(property_get);
DBGP_FUNC(property_set);
DBGP_FUNC(property_value);
DBGP_FUNC(source);
DBGP_FUNC(stack_depth);
DBGP_FUNC(stack_get);
DBGP_FUNC(status);
DBGP_FUNC(stderr);
DBGP_FUNC(stdout);
DBGP_FUNC(stop);
DBGP_FUNC(run);
DBGP_FUNC(step_into);
DBGP_FUNC(step_out);
DBGP_FUNC(step_over);
DBGP_FUNC(detach);
/* Non standard comments */
DBGP_FUNC(xcmd_profiler_name_get);
/*****************************************************************************
** Dispatcher tables for supported debug commands
*/
static xdebug_dbgp_cmd dbgp_commands[] = {
/* DBGP_FUNC_ENTRY(break) */
DBGP_FUNC_ENTRY(breakpoint_get, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(breakpoint_list, XDEBUG_DBGP_POST_MORTEM)
DBGP_FUNC_ENTRY(breakpoint_remove, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(breakpoint_set, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(breakpoint_update, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(context_get, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(context_names, XDEBUG_DBGP_POST_MORTEM)
DBGP_FUNC_ENTRY(eval, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(feature_get, XDEBUG_DBGP_POST_MORTEM)
DBGP_FUNC_ENTRY(feature_set, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(typemap_get, XDEBUG_DBGP_POST_MORTEM)
DBGP_FUNC_ENTRY(property_get, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(property_set, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(property_value, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(source, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(stack_depth, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(stack_get, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(status, XDEBUG_DBGP_POST_MORTEM)
DBGP_FUNC_ENTRY(stderr, XDEBUG_DBGP_NONE)
DBGP_FUNC_ENTRY(stdout, XDEBUG_DBGP_NONE)
DBGP_CONT_FUNC_ENTRY(run, XDEBUG_DBGP_NONE)
DBGP_CONT_FUNC_ENTRY(step_into, XDEBUG_DBGP_NONE)
DBGP_CONT_FUNC_ENTRY(step_out, XDEBUG_DBGP_NONE)
DBGP_CONT_FUNC_ENTRY(step_over, XDEBUG_DBGP_NONE)
DBGP_STOP_FUNC_ENTRY(stop, XDEBUG_DBGP_POST_MORTEM)
DBGP_STOP_FUNC_ENTRY(detach, XDEBUG_DBGP_NONE)
/* Non standard functions */
DBGP_FUNC_ENTRY(xcmd_profiler_name_get, XDEBUG_DBGP_POST_MORTEM)
{ NULL, NULL }
};
/*****************************************************************************
** Utility functions
*/
static xdebug_dbgp_cmd* lookup_cmd(char *cmd)
{
xdebug_dbgp_cmd *ptr = dbgp_commands;
while (ptr->name) {
if (strcmp(ptr->name, cmd) == 0) {
return ptr;
}
ptr++;
}
return NULL;
}
static xdebug_str *make_message(xdebug_con *context, xdebug_xml_node *message TSRMLS_DC)
{
xdebug_str xml_message = {0, 0, NULL};
xdebug_str *ret;
xdebug_str_ptr_init(ret);
xdebug_xml_return_node(message, &xml_message);
if (XG(remote_log_file)) {
fprintf(XG(remote_log_file), "-> %s\n\n", xml_message.d);
fflush(XG(remote_log_file));
}
xdebug_str_add(ret, xdebug_sprintf("%d", xml_message.l + sizeof("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n") - 1), 1);
xdebug_str_addl(ret, "\0", 1, 0);
xdebug_str_add(ret, "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n", 0);
xdebug_str_add(ret, xml_message.d, 0);
xdebug_str_addl(ret, "\0", 1, 0);
xdebug_str_dtor(xml_message);
return ret;
}
static void send_message(xdebug_con *context, xdebug_xml_node *message TSRMLS_DC)
{
xdebug_str *tmp;
tmp = make_message(context, message TSRMLS_CC);
SSENDL(context->socket, tmp->d, tmp->l);
xdebug_str_ptr_dtor(tmp);
}
/*****************************************************************************
** 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
static char* prepare_search_key(char *name, 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* fetch_zval_from_symbol_table(HashTable *ht, char* name, int name_length, int type, char* ccn, int ccnl TSRMLS_DC)
{
zval **retval_pp = NULL, *retval_p = NULL;
char *element;
int element_length = name_length;
switch (type) {
case XF_ST_ROOT:
case XF_ST_ARRAY_INDEX_ASSOC:
element = prepare_search_key(name, &name_length, "", 0);
#ifdef ZEND_ENGINE_2
/* Handle "this" in a different way */
if (type == XF_ST_ROOT && strcmp("this", element) == 0) {
if (XG(active_execute_data)) {
retval_p = XG(active_execute_data)->object;
} else {
retval_p = NULL;
}
goto cleanup;
}
#endif
if (ht && zend_hash_find(ht, element, name_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
goto cleanup;
}
break;
case XF_ST_ARRAY_INDEX_NUM:
element = prepare_search_key(name, &name_length, "", 0);
if (ht && zend_hash_index_find(ht, strtoul(element, NULL, 10), (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
goto cleanup_num;
}
break;
case XF_ST_OBJ_PROPERTY:
/* First we try a public property */
element = prepare_search_key(name, &element_length, "", 0);
if (ht && zend_hash_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
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 (ht && zend_hash_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
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 (ht && zend_hash_find(ht, element, element_length + 1, (void **) &retval_pp) == SUCCESS) {
retval_p = *retval_pp;
goto cleanup;
}
break;
}
cleanup:
free(element);
cleanup_num:
return retval_p;
}
inline static HashTable *fetch_ht_from_zval(zval *z TSRMLS_DC)
{
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;
}
inline static char *fetch_classname_from_zval(zval *z, int *length TSRMLS_DC)
{
if (Z_TYPE_P(z) != IS_OBJECT) {
return NULL;
}
#if PHP_MAJOR_VERSION == 4
{
zend_class_entry *ce;
ce = Z_OBJCE_P(z);
*length = ce->name_length;
return estrdup(ce->name);
}
#endif
#if PHP_MAJOR_VERSION >= 5
{
char *name;
zend_uint name_len;
if (Z_OBJ_HT_P(z)->get_class_name == NULL ||
Z_OBJ_HT_P(z)->get_class_name(z, &name, &name_len, 0 TSRMLS_CC) != SUCCESS) {
zend_class_entry *ce;
ce = zend_get_class_entry(z TSRMLS_CC);
if (!ce) {
return NULL;
}
*length = ce->name_length;
return estrdup(ce->name);
}
*length = name_len;
return name;
}
#endif
return NULL;
}
static zval* get_symbol_contents_zval(char* name, int name_length TSRMLS_DC)
{
HashTable *st = NULL;
if (name[0] == '$') {
/* This is a fullname property. Relying on eval is bad as it can bail
* out, so we do it ourselves. */
int found = -1;
int state = 0;
char **p = &name;
char *keyword = NULL, *keyword_end = NULL;
int type = XF_ST_ROOT;
zval *retval = NULL;
char *current_classname = NULL;
int cc_length = 0;
char quotechar = 0;
/* Set the target table to the currently active scope */
st = XG(active_symbol_table);
do {
if (*p[0] == '\0') {
found = 0;
} else {
switch (state) {
case 0:
if (*p[0] == '$') {
state = 1;
keyword = *p + 1;
break;
}
keyword = *p;
/* break intentionally missing */
case 1:
if (*p[0] == '[') {
keyword_end = *p;
if (keyword) {
retval = fetch_zval_from_symbol_table(st, keyword, keyword_end - keyword, type, current_classname, cc_length TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
if (retval) {
st = fetch_ht_from_zval(retval TSRMLS_CC);
}
keyword = NULL;
}
state = 3;
} else if (*p[0] == '-') {
keyword_end = *p;
if (keyword) {
retval = fetch_zval_from_symbol_table(st, keyword, keyword_end - keyword, type, current_classname, cc_length TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length TSRMLS_CC);
st = fetch_ht_from_zval(retval TSRMLS_CC);
}
keyword = NULL;
}
state = 2;
type = XF_ST_OBJ_PROPERTY;
}
break;
case 2:
if (*p[0] != '>') {
keyword = *p;
state = 1;
}
break;
case 3:
/* 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') {
state = 6;
keyword = *p;
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(st, keyword, keyword_end - keyword, type, current_classname, cc_length TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length TSRMLS_CC);
st = fetch_ht_from_zval(retval 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(st, keyword, keyword_end - keyword, type, current_classname, cc_length TSRMLS_CC);
if (current_classname) {
efree(current_classname);
}
current_classname = NULL;
if (retval) {
current_classname = fetch_classname_from_zval(retval, &cc_length TSRMLS_CC);
st = fetch_ht_from_zval(retval TSRMLS_CC);
}
keyword = NULL;
}
break;
}
(*p)++;
}
} while (found < 0);
if (keyword != NULL) {
retval = fetch_zval_from_symbol_table(st, keyword, *p - keyword, type, current_classname, cc_length TSRMLS_CC);
if (retval) {
st = fetch_ht_from_zval(retval TSRMLS_CC);
}
}
return retval;
} else {
zval **retval;
st = XG(active_symbol_table);
if (st && zend_hash_find(st, name, name_length, (void **) &retval) == SUCCESS) {
return *retval;
}
st = EG(active_op_array)->static_variables;
if (st) {
if (zend_hash_find(st, name, name_length, (void **) &retval) == SUCCESS) {
return *retval;
}
}
#if 0
st = &EG(symbol_table);
if (zend_hash_find(st, name, name_length, (void **) &retval) == SUCCESS) {
return *retval;
}
#endif
}
return NULL;
}
static xdebug_xml_node* get_symbol(char* name, int name_length, xdebug_var_export_options *options TSRMLS_DC)
{
zval *retval;
retval = get_symbol_contents_zval(name, name_length TSRMLS_CC);
if (retval) {
return xdebug_get_zval_value_xml_node(name, retval, options);
}
return NULL;
}
static int get_symbol_contents(char* name, int name_length, xdebug_xml_node *node, xdebug_var_export_options *options TSRMLS_DC)
{
zval *retval;
retval = get_symbol_contents_zval(name, name_length TSRMLS_CC);
if (retval) {
xdebug_var_export_xml_node(&retval, name, node, options, 1 TSRMLS_CC);
return 1;
}
return 0;
}
static char* return_file_source(char *filename, int begin, int end TSRMLS_DC)
{
php_stream *stream;
int i = begin;
char *line = NULL;
xdebug_str source = { 0, 0, NULL };
if (i < 0) {
begin = 0;
i = 0;
}
filename = xdebug_path_from_url(filename TSRMLS_CC);
stream = php_stream_open_wrapper(filename, "rb",
USE_PATH | ENFORCE_SAFE_MODE | REPORT_ERRORS,
NULL);
xdfree(filename);
/* Read until the "begin" line has been read */
if (!stream) {
return NULL;
}
/* skip to the first requested line */
while (i > 0 && !php_stream_eof(stream)) {
if (line) {
efree(line);
line = NULL;
}
line = php_stream_gets(stream, NULL, 1024);
i--;
}
/* Read until the "end" line has been read */
do {
if (line) {
xdebug_str_add(&source, line, 0);
efree(line);
line = NULL;
if (php_stream_eof(stream)) break;
}
line = php_stream_gets(stream, NULL, 1024);
i++;
} while (i < end + 1 - begin);
/* Print last line */
if (line) {
efree(line);
line = NULL;
}
php_stream_close(stream);
return source.d;
}
static char* return_eval_source(char *id, int begin, int end TSRMLS_DC)
{
char *key, *joined;
xdebug_eval_info *ei;
xdebug_arg *parts = (xdebug_arg*) xdmalloc(sizeof(xdebug_arg));
if (begin < 0) {
begin = 0;
}
key = create_eval_key_id(atoi(id));
if (xdebug_hash_find(XG(context).eval_id_lookup, key, strlen(key), (void *) &ei)) {
xdebug_arg_init(parts);
xdebug_explode("\n", ei->contents, parts, end + 2);
joined = xdebug_join("\n", parts, begin, end);
xdebug_arg_dtor(parts);
return joined;
}
return NULL;
}
static char* return_source(char *filename, int begin, int end TSRMLS_DC)
{
if (strncmp(filename, "dbgp://", 7) == 0) {
if (strncmp(filename, "dbgp://phar://", 14) == 0) {
return return_file_source(filename + 7, begin, end TSRMLS_CC);
}
return return_eval_source(filename + 7, begin, end TSRMLS_CC);
} else {
return return_file_source(filename, begin, end TSRMLS_CC);
}
}
static int check_evaled_code(function_stack_entry *fse, char **filename, int *lineno, int use_fse TSRMLS_DC)
{
char *end_marker;
xdebug_eval_info *ei;
char *filename_to_use;
filename_to_use = use_fse ? fse->filename : *filename;
end_marker = filename_to_use + strlen(filename_to_use) - strlen("eval()'d code");
if (strcmp("eval()'d code", end_marker) == 0) {
if (xdebug_hash_find(XG(context).eval_id_lookup, filename_to_use, strlen(filename_to_use), (void *) &ei)) {
*filename = xdebug_sprintf("dbgp://%lu", ei->id);
}
return 1;
}
return 0;
}
static xdebug_xml_node* return_stackframe(int nr TSRMLS_DC)
{
function_stack_entry *fse, *fse_prev;
char *tmp_fname;
char *tmp_filename;
int tmp_lineno;
xdebug_xml_node *tmp;
fse = xdebug_get_stack_frame(nr TSRMLS_CC);
fse_prev = xdebug_get_stack_frame(nr - 1 TSRMLS_CC);
tmp_fname = xdebug_show_fname(fse->function, 0, 0 TSRMLS_CC);
tmp = xdebug_xml_node_init("stack");
xdebug_xml_add_attribute_ex(tmp, "where", xdstrdup(tmp_fname), 0, 1);
xdebug_xml_add_attribute_ex(tmp, "level", xdebug_sprintf("%ld", nr), 0, 1);
if (fse_prev) {
if (check_evaled_code(fse_prev, &tmp_filename, &tmp_lineno, 1 TSRMLS_CC)) {
xdebug_xml_add_attribute_ex(tmp, "type", xdstrdup("eval"), 0, 1);
xdebug_xml_add_attribute_ex(tmp, "filename", tmp_filename, 0, 0);
} else {
xdebug_xml_add_attribute_ex(tmp, "type", xdstrdup("file"), 0, 1);
xdebug_xml_add_attribute_ex(tmp, "filename", xdebug_path_to_url(fse_prev->filename TSRMLS_CC), 0, 1);
}
xdebug_xml_add_attribute_ex(tmp, "lineno", xdebug_sprintf("%lu", fse_prev->lineno TSRMLS_CC), 0, 1);
} else {
tmp_filename = zend_get_executed_filename(TSRMLS_C);
tmp_lineno = zend_get_executed_lineno(TSRMLS_C);
if (check_evaled_code(fse, &tmp_filename, &tmp_lineno, 0 TSRMLS_CC)) {
xdebug_xml_add_attribute_ex(tmp, "type", xdstrdup("eval"), 0, 1);
xdebug_xml_add_attribute_ex(tmp, "filename", tmp_filename, 0, 0);
} else {
xdebug_xml_add_attribute_ex(tmp, "type", xdstrdup("file"), 0, 1);
xdebug_xml_add_attribute_ex(tmp, "filename", xdebug_path_to_url(tmp_filename TSRMLS_CC), 0, 1);
}
xdebug_xml_add_attribute_ex(tmp, "lineno", xdebug_sprintf("%lu", tmp_lineno), 0, 1);
}
xdfree(tmp_fname);
return tmp;
}
/*****************************************************************************
** Client command handlers - Breakpoints
*/
/* Helper functions */
void xdebug_hash_admin_dtor(xdebug_brk_admin *admin)
{
xdfree(admin->key);
xdfree(admin);
}
static int breakpoint_admin_add(xdebug_con *context, int type, char *key)
{
xdebug_brk_admin *admin = xdmalloc(sizeof(xdebug_brk_admin));
char *hkey;
TSRMLS_FETCH();
XG(breakpoint_count)++;
admin->id = getpid() * 10000 + XG(breakpoint_count);
admin->type = type;
admin->key = xdstrdup(key);
hkey = xdebug_sprintf("%lu", admin->id);
xdebug_hash_add(context->breakpoint_list, hkey, strlen(hkey), (void*) admin);
xdfree(hkey);
return admin->id;
}
static int breakpoint_admin_fetch(xdebug_con *context, char *hkey, int *type, char **key)
{
xdebug_brk_admin *admin;
if (xdebug_hash_find(context->breakpoint_list, hkey, strlen(hkey), (void *) &admin)) {
*type = admin->type;
*key = admin->key;
return SUCCESS;
} else {
return FAILURE;
}
}
static int breakpoint_admin_remove(xdebug_con *context, char *hkey)
{
if (xdebug_hash_delete(context->breakpoint_list, hkey, strlen(hkey))) {
return SUCCESS;
} else {
return FAILURE;
}
}
static void breakpoint_brk_info_add(xdebug_xml_node *xml, xdebug_brk_info *brk)
{
TSRMLS_FETCH();
if (brk->type) {
xdebug_xml_add_attribute_ex(xml, "type", xdstrdup(brk->type), 0, 1);
}
if (brk->file) {
xdebug_xml_add_attribute_ex(xml, "filename", xdebug_path_to_url(brk->file TSRMLS_CC), 0, 1);
}
if (brk->lineno) {
xdebug_xml_add_attribute_ex(xml, "lineno", xdebug_sprintf("%lu", brk->lineno), 0, 1);
}
if (brk->functionname) {
xdebug_xml_add_attribute_ex(xml, "function", xdstrdup(brk->functionname), 0, 1);
}
if (brk->classname) {
xdebug_xml_add_attribute_ex(xml, "class", xdstrdup(brk->classname), 0, 1);
}
if (brk->temporary) {
xdebug_xml_add_attribute(xml, "state", "temporary");
} else if (brk->disabled) {
xdebug_xml_add_attribute(xml, "state", "disabled");
} else {
xdebug_xml_add_attribute(xml, "state", "enabled");
}
xdebug_xml_add_attribute_ex(xml, "hit_count", xdebug_sprintf("%lu", brk->hit_count), 0, 1);
switch (brk->hit_condition) {
case XDEBUG_HIT_GREATER_EQUAL:
xdebug_xml_add_attribute(xml, "hit_condition", ">=");
break;
case XDEBUG_HIT_EQUAL:
xdebug_xml_add_attribute(xml, "hit_condition", "==");
break;
case XDEBUG_HIT_MOD:
xdebug_xml_add_attribute(xml, "hit_condition", "%");
break;
}
xdebug_xml_add_attribute_ex(xml, "hit_value", xdebug_sprintf("%lu", brk->hit_value), 0, 1);
}
static xdebug_brk_info* breakpoint_brk_info_fetch(int type, char *hkey)
{
xdebug_llist_element *le;
xdebug_brk_info *brk = NULL;
xdebug_arg *parts = (xdebug_arg*) xdmalloc(sizeof(xdebug_arg));
TSRMLS_FETCH();
switch (type) {
case BREAKPOINT_TYPE_LINE:
/* First we split the key into filename and linenumber */
xdebug_arg_init(parts);
xdebug_explode("$", hkey, parts, -1);
/* Second we loop through the list of file/line breakpoints to
* look for our thingy */
for (le = XDEBUG_LLIST_HEAD(XG(context).line_breakpoints); le != NULL; le = XDEBUG_LLIST_NEXT(le)) {
brk = XDEBUG_LLIST_VALP(le);
if (atoi(parts->args[1]) == brk->lineno && memcmp(brk->file, parts->args[0], brk->file_len) == 0) {
xdebug_arg_dtor(parts);
return brk;
}
}
/* Cleaning up */
xdebug_arg_dtor(parts);
break;
case BREAKPOINT_TYPE_FUNCTION:
if (xdebug_hash_find(XG(context).function_breakpoints, hkey, strlen(hkey), (void *) &brk)) {
return brk;
}
break;
case BREAKPOINT_TYPE_METHOD:
if (xdebug_hash_find(XG(context).class_breakpoints, hkey, strlen(hkey), (void *) &brk)) {
return brk;
}
break;
case BREAKPOINT_TYPE_EXCEPTION:
if (xdebug_hash_find(XG(context).exception_breakpoints, hkey, strlen(hkey), (void *) &brk)) {
return brk;
}
break;
}
return brk;
}
static int breakpoint_remove(int type, char *hkey)
{
xdebug_llist_element *le;
xdebug_brk_info *brk = NULL;
xdebug_arg *parts = (xdebug_arg*) xdmalloc(sizeof(xdebug_arg));
TSRMLS_FETCH();
switch (type) {
case BREAKPOINT_TYPE_LINE:
/* First we split the key into filename and linenumber */
xdebug_arg_init(parts);
xdebug_explode("$", hkey, parts, -1);
/* Second we loop through the list of file/line breakpoints to
* look for our thingy */
for (le = XDEBUG_LLIST_HEAD(XG(context).line_breakpoints); le != NULL; le = XDEBUG_LLIST_NEXT(le)) {
brk = XDEBUG_LLIST_VALP(le);
if (atoi(parts->args[1]) == brk->lineno && memcmp(brk->file, parts->args[0], brk->file_len) == 0) {
xdebug_llist_remove(XG(context).line_breakpoints, le, NULL);
return SUCCESS;
}
}
/* Cleaning up */
xdebug_arg_dtor(parts);
break;
case BREAKPOINT_TYPE_FUNCTION:
if (xdebug_hash_delete(XG(context).function_breakpoints, hkey, strlen(hkey))) {
return SUCCESS;
}
break;
case BREAKPOINT_TYPE_METHOD:
if (xdebug_hash_delete(XG(context).class_breakpoints, hkey, strlen(hkey))) {
return SUCCESS;
}
break;
case BREAKPOINT_TYPE_EXCEPTION:
if (xdebug_hash_delete(XG(context).exception_breakpoints, hkey, strlen(hkey))) {
return SUCCESS;
}
break;
}
return FAILURE;
}
#define BREAKPOINT_ACTION_GET 1
#define BREAKPOINT_ACTION_REMOVE 2
#define BREAKPOINT_ACTION_UPDATE 3
#define BREAKPOINT_CHANGE_STATE() \
XDEBUG_STR_SWITCH(CMD_OPTION('s')) { \
XDEBUG_STR_CASE("enabled") \
brk_info->disabled = 0; \
XDEBUG_STR_CASE_END \
\
XDEBUG_STR_CASE("disabled") \
brk_info->disabled = 1; \
XDEBUG_STR_CASE_END \
\
XDEBUG_STR_CASE_DEFAULT \
RETURN_RESULT(XG(status), XG(reason), XDEBUG_ERROR_INVALID_ARGS); \
XDEBUG_STR_CASE_DEFAULT_END \
}
#define BREAKPOINT_CHANGE_OPERATOR() \
XDEBUG_STR_SWITCH(CMD_OPTION('o')) { \
XDEBUG_STR_CASE(">=") \
brk_info->hit_condition = XDEBUG_HIT_GREATER_EQUAL; \
XDEBUG_STR_CASE_END \
\
XDEBUG_STR_CASE("==") \
brk_info->hit_condition = XDEBUG_HIT_EQUAL; \
XDEBUG_STR_CASE_END \
\
XDEBUG_STR_CASE("%") \
brk_info->hit_condition = XDEBUG_HIT_MOD; \
XDEBUG_STR_CASE_END \
\
XDEBUG_STR_CASE_DEFAULT \
RETURN_RESULT(XG(status), XG(reason), XDEBUG_ERROR_INVALID_ARGS); \
XDEBUG_STR_CASE_DEFAULT_END \
}
static void breakpoint_do_action(DBGP_FUNC_PARAMETERS, int action)
{
int type;
char *hkey;
xdebug_brk_info *brk_info;
xdebug_xml_node *breakpoint_node;
XDEBUG_STR_SWITCH_DECL;
if (!CMD_OPTION('d')) {
RETURN_RESULT(XG(status), XG(reason), XDEBUG_ERROR_INVALID_ARGS);
}
/* Lets check if it exists */
if (breakpoint_admin_fetch(context, CMD_OPTION('d'), &type, (char**) &hkey) == SUCCESS) {
/* so it exists, now we're going to find it in the correct hash/list
* and return the info we have on it */
brk_info = breakpoint_brk_info_fetch(type, hkey);
if (action == BREAKPOINT_ACTION_UPDATE) {
if (CMD_OPTION('s')) {
BREAKPOINT_CHANGE_STATE();
}
if (CMD_OPTION('n')) {
brk_info->lineno = strtol(CMD_OPTION('n'), NULL, 10);