mirror of
https://github.com/php/php-src.git
synced 2024-09-27 04:47:22 +00:00
623 lines
16 KiB
C
623 lines
16 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2014 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Felipe Pena <felipe@php.net> |
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| Authors: Joe Watkins <joe.watkins@live.co.uk> |
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| Authors: Bob Weinand <bwoebi@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include "zend.h"
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#include "php.h"
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#include "spprintf.h"
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#include "phpdbg.h"
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#include "phpdbg_opcode.h"
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#include "phpdbg_utils.h"
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#ifdef _WIN32
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# include "win32/time.h"
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#elif defined(HAVE_SYS_IOCTL_H)
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# include "sys/ioctl.h"
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# ifndef GWINSZ_IN_SYS_IOCTL
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# include <termios.h>
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# endif
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#endif
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ZEND_EXTERN_MODULE_GLOBALS(phpdbg);
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/* {{{ color structures */
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const static phpdbg_color_t colors[] = {
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PHPDBG_COLOR_D("none", "0;0"),
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PHPDBG_COLOR_D("white", "0;64"),
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PHPDBG_COLOR_D("white-bold", "1;64"),
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PHPDBG_COLOR_D("white-underline", "4;64"),
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PHPDBG_COLOR_D("red", "0;31"),
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PHPDBG_COLOR_D("red-bold", "1;31"),
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PHPDBG_COLOR_D("red-underline", "4;31"),
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PHPDBG_COLOR_D("green", "0;32"),
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PHPDBG_COLOR_D("green-bold", "1;32"),
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PHPDBG_COLOR_D("green-underline", "4;32"),
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PHPDBG_COLOR_D("yellow", "0;33"),
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PHPDBG_COLOR_D("yellow-bold", "1;33"),
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PHPDBG_COLOR_D("yellow-underline", "4;33"),
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PHPDBG_COLOR_D("blue", "0;34"),
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PHPDBG_COLOR_D("blue-bold", "1;34"),
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PHPDBG_COLOR_D("blue-underline", "4;34"),
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PHPDBG_COLOR_D("purple", "0;35"),
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PHPDBG_COLOR_D("purple-bold", "1;35"),
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PHPDBG_COLOR_D("purple-underline", "4;35"),
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PHPDBG_COLOR_D("cyan", "0;36"),
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PHPDBG_COLOR_D("cyan-bold", "1;36"),
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PHPDBG_COLOR_D("cyan-underline", "4;36"),
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PHPDBG_COLOR_D("black", "0;30"),
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PHPDBG_COLOR_D("black-bold", "1;30"),
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PHPDBG_COLOR_D("black-underline", "4;30"),
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PHPDBG_COLOR_END
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}; /* }}} */
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/* {{{ */
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const static phpdbg_element_t elements[] = {
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PHPDBG_ELEMENT_D("prompt", PHPDBG_COLOR_PROMPT),
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PHPDBG_ELEMENT_D("error", PHPDBG_COLOR_ERROR),
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PHPDBG_ELEMENT_D("notice", PHPDBG_COLOR_NOTICE),
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PHPDBG_ELEMENT_END
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}; /* }}} */
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PHPDBG_API int phpdbg_is_numeric(const char *str) /* {{{ */
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{
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if (!str)
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return 0;
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for (; *str; str++) {
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if (isspace(*str) || *str == '-') {
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continue;
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}
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return isdigit(*str);
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}
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return 0;
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} /* }}} */
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PHPDBG_API int phpdbg_is_empty(const char *str) /* {{{ */
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{
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if (!str)
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return 1;
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for (; *str; str++) {
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if (isspace(*str)) {
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continue;
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}
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return 0;
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}
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return 1;
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} /* }}} */
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PHPDBG_API int phpdbg_is_addr(const char *str) /* {{{ */
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{
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return str[0] && str[1] && memcmp(str, "0x", 2) == 0;
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} /* }}} */
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PHPDBG_API int phpdbg_is_class_method(const char *str, size_t len, char **class, char **method) /* {{{ */
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{
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char *sep = NULL;
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if (strstr(str, "#") != NULL)
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return 0;
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if (strstr(str, " ") != NULL)
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return 0;
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sep = strstr(str, "::");
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if (!sep || sep == str || sep+2 == str+len-1) {
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return 0;
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}
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if (class != NULL) {
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if (str[0] == '\\') {
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str++;
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len--;
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}
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*class = estrndup(str, sep - str);
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(*class)[sep - str] = 0;
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}
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if (method != NULL) {
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*method = estrndup(sep+2, str + len - (sep + 2));
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}
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return 1;
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} /* }}} */
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PHPDBG_API char *phpdbg_resolve_path(const char *path TSRMLS_DC) /* {{{ */
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{
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char resolved_name[MAXPATHLEN];
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if (expand_filepath(path, resolved_name TSRMLS_CC) == NULL) {
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return NULL;
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}
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return estrdup(resolved_name);
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} /* }}} */
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PHPDBG_API const char *phpdbg_current_file(TSRMLS_D) /* {{{ */
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{
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const char *file = zend_get_executed_filename(TSRMLS_C);
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if (memcmp(file, "[no active file]", sizeof("[no active file]")) == 0) {
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return PHPDBG_G(exec);
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}
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return file;
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} /* }}} */
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PHPDBG_API const zend_function *phpdbg_get_function(const char *fname, const char *cname TSRMLS_DC) /* {{{ */
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{
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zend_function *func = NULL;
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size_t fname_len = strlen(fname);
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char *lcname = zend_str_tolower_dup(fname, fname_len);
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if (cname) {
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zend_class_entry **ce;
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size_t cname_len = strlen(cname);
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char *lc_cname = zend_str_tolower_dup(cname, cname_len);
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int ret = zend_lookup_class(lc_cname, cname_len, &ce TSRMLS_CC);
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efree(lc_cname);
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if (ret == SUCCESS) {
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zend_hash_find(&(*ce)->function_table, lcname, fname_len+1,
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(void**)&func);
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}
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} else {
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zend_hash_find(EG(function_table), lcname, fname_len+1,
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(void**)&func);
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}
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efree(lcname);
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return func;
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} /* }}} */
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PHPDBG_API char *phpdbg_trim(const char *str, size_t len, size_t *new_len) /* {{{ */
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{
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const char *p = str;
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char *new = NULL;
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while (p && isspace(*p)) {
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++p;
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--len;
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}
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while (*p && isspace(*(p + len -1))) {
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--len;
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}
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if (len == 0) {
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new = estrndup("", sizeof(""));
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*new_len = 0;
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} else {
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new = estrndup(p, len);
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*(new + len) = '\0';
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if (new_len) {
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*new_len = len;
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}
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}
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return new;
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} /* }}} */
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PHPDBG_API int phpdbg_print(int type TSRMLS_DC, int fd, const char *format, ...) { /* {{{ */
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int rc = 0;
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char *buffer = NULL, *outbuf = NULL;
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va_list args;
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if (format != NULL && strlen(format) > 0L) {
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va_start(args, format);
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vspprintf(&buffer, 0, format, args);
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va_end(args);
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}
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/* TODO(anyone) colours */
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switch (type) {
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case P_ERROR:
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if (!PHPDBG_G(last_was_newline)) {
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write(fd, "\n", 1);
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PHPDBG_G(last_was_newline) = 1;
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}
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if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) {
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rc = spprintf(&outbuf, 0, "\033[%sm[%s]\033[0m\n", PHPDBG_G(colors)[PHPDBG_COLOR_ERROR]->code, buffer);
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} else {
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rc = spprintf(&outbuf, 0, "[%s]\n", buffer);
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}
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break;
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case P_NOTICE:
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if (!PHPDBG_G(last_was_newline)) {
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write(fd, "\n", 1);
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PHPDBG_G(last_was_newline) = 1;
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}
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if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) {
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rc = spprintf(&outbuf, 0, "\033[%sm[%s]\033[0m\n", PHPDBG_G(colors)[PHPDBG_COLOR_NOTICE]->code, buffer);
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} else {
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rc = spprintf(&outbuf, 0, "[%s]\n", buffer);
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}
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break;
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case P_WRITELN: {
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if (buffer) {
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rc = spprintf(&outbuf, 0, "%s\n", buffer);
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} else {
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rc = 1;
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outbuf = estrdup("\n");
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}
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PHPDBG_G(last_was_newline) = 1;
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} break;
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case P_WRITE:
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if (buffer) {
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rc = spprintf(&outbuf, 0, "%s", buffer);
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PHPDBG_G(last_was_newline) = buffer[strlen(buffer) - 1] == '\n';
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}
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break;
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/* no formatting on logging output */
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case P_LOG:
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if (buffer) {
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struct timeval tp;
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if (gettimeofday(&tp, NULL) == SUCCESS) {
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rc = spprintf(&outbuf, 0, "[%ld %.8F]: %s\n", tp.tv_sec, tp.tv_usec / 1000000.00, buffer);
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} else {
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rc = FAILURE;
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}
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}
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break;
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}
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if (outbuf) {
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rc = write(fd, outbuf, rc);
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efree(outbuf);
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}
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if (buffer) {
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efree(buffer);
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}
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return rc;
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} /* }}} */
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PHPDBG_API int phpdbg_rlog(int fd, const char *fmt, ...) { /* {{{ */
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int rc = 0;
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va_list args;
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struct timeval tp;
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va_start(args, fmt);
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if (gettimeofday(&tp, NULL) == SUCCESS) {
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char friendly[100];
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char *format = NULL, *buffer = NULL, *outbuf = NULL;
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const time_t tt = tp.tv_sec;
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strftime(friendly, 100, "%a %b %d %T.%%04d %Y", localtime(&tt));
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spprintf(&buffer, 0, friendly, tp.tv_usec/1000);
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spprintf(&format, 0, "[%s]: %s\n", buffer, fmt);
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rc = vspprintf(&outbuf, 0, format, args);
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if (outbuf) {
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rc = write(fd, outbuf, rc);
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efree(outbuf);
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}
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efree(format);
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efree(buffer);
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}
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va_end(args);
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return rc;
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} /* }}} */
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PHPDBG_API const phpdbg_color_t *phpdbg_get_color(const char *name, size_t name_length TSRMLS_DC) /* {{{ */
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{
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const phpdbg_color_t *color = colors;
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while (color && color->name) {
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if (name_length == color->name_length &&
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memcmp(name, color->name, name_length) == SUCCESS) {
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phpdbg_debug(
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"phpdbg_get_color(%s, %lu): %s", name, name_length, color->code);
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return color;
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}
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++color;
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}
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phpdbg_debug(
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"phpdbg_get_color(%s, %lu): failed", name, name_length);
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return NULL;
|
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} /* }}} */
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PHPDBG_API void phpdbg_set_color(int element, const phpdbg_color_t *color TSRMLS_DC) /* {{{ */
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{
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PHPDBG_G(colors)[element] = color;
|
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} /* }}} */
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PHPDBG_API void phpdbg_set_color_ex(int element, const char *name, size_t name_length TSRMLS_DC) /* {{{ */
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{
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const phpdbg_color_t *color = phpdbg_get_color(name, name_length TSRMLS_CC);
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if (color) {
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phpdbg_set_color(element, color TSRMLS_CC);
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} else PHPDBG_G(colors)[element] = colors;
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} /* }}} */
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PHPDBG_API const phpdbg_color_t* phpdbg_get_colors(TSRMLS_D) /* {{{ */
|
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{
|
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return colors;
|
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} /* }}} */
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PHPDBG_API int phpdbg_get_element(const char *name, size_t len TSRMLS_DC) {
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const phpdbg_element_t *element = elements;
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while (element && element->name) {
|
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if (len == element->name_length) {
|
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if (strncasecmp(name, element->name, len) == SUCCESS) {
|
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return element->id;
|
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}
|
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}
|
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element++;
|
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}
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return PHPDBG_COLOR_INVALID;
|
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}
|
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PHPDBG_API void phpdbg_set_prompt(const char *prompt TSRMLS_DC) /* {{{ */
|
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{
|
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/* free formatted prompt */
|
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if (PHPDBG_G(prompt)[1]) {
|
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free(PHPDBG_G(prompt)[1]);
|
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PHPDBG_G(prompt)[1] = NULL;
|
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}
|
|
/* free old prompt */
|
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if (PHPDBG_G(prompt)[0]) {
|
|
free(PHPDBG_G(prompt)[0]);
|
|
PHPDBG_G(prompt)[0] = NULL;
|
|
}
|
|
|
|
/* copy new prompt */
|
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PHPDBG_G(prompt)[0] = strdup(prompt);
|
|
} /* }}} */
|
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|
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PHPDBG_API const char *phpdbg_get_prompt(TSRMLS_D) /* {{{ */
|
|
{
|
|
/* find cached prompt */
|
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if (PHPDBG_G(prompt)[1]) {
|
|
return PHPDBG_G(prompt)[1];
|
|
}
|
|
|
|
/* create cached prompt */
|
|
#ifndef HAVE_LIBEDIT
|
|
/* TODO: libedit doesn't seems to support coloured prompt */
|
|
if ((PHPDBG_G(flags) & PHPDBG_IS_COLOURED)) {
|
|
asprintf(
|
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&PHPDBG_G(prompt)[1], "\033[%sm%s\033[0m ",
|
|
PHPDBG_G(colors)[PHPDBG_COLOR_PROMPT]->code,
|
|
PHPDBG_G(prompt)[0]);
|
|
} else
|
|
#endif
|
|
{
|
|
asprintf(
|
|
&PHPDBG_G(prompt)[1], "%s ",
|
|
PHPDBG_G(prompt)[0]);
|
|
}
|
|
|
|
return PHPDBG_G(prompt)[1];
|
|
} /* }}} */
|
|
|
|
int phpdbg_rebuild_symtable(TSRMLS_D) {
|
|
if (!EG(active_op_array)) {
|
|
phpdbg_error("No active op array!");
|
|
return FAILURE;
|
|
}
|
|
|
|
if (!EG(active_symbol_table)) {
|
|
zend_rebuild_symbol_table(TSRMLS_C);
|
|
|
|
if (!EG(active_symbol_table)) {
|
|
phpdbg_error("No active symbol table!");
|
|
return FAILURE;
|
|
}
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
PHPDBG_API int phpdbg_get_terminal_width(TSRMLS_D) /* {{{ */
|
|
{
|
|
int columns;
|
|
#ifdef _WIN32
|
|
CONSOLE_SCREEN_BUFFER_INFO csbi;
|
|
|
|
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
|
|
columns = csbi.srWindow.Right - csbi.srWindow.Left + 1;
|
|
#elif defined(HAVE_SYS_IOCTL_H) && defined (TIOCGWINSZ)
|
|
struct winsize w;
|
|
|
|
columns = ioctl(fileno(stdout), TIOCGWINSZ, &w) == 0 ? w.ws_col : 80;
|
|
#else
|
|
columns = 80;
|
|
#endif
|
|
return columns;
|
|
} /* }}} */
|
|
|
|
PHPDBG_API void phpdbg_set_async_io(int fd) {
|
|
#ifndef _WIN32
|
|
int flags;
|
|
fcntl(STDIN_FILENO, F_SETOWN, getpid());
|
|
flags = fcntl(STDIN_FILENO, F_GETFL);
|
|
fcntl(STDIN_FILENO, F_SETFL, flags | FASYNC);
|
|
#endif
|
|
}
|
|
|
|
int phpdbg_safe_class_lookup(const char *name, int name_length, zend_class_entry ***ce TSRMLS_DC) {
|
|
if (PHPDBG_G(flags) & PHPDBG_IN_SIGNAL_HANDLER) {
|
|
char *lc_name, *lc_free;
|
|
int lc_length, ret = FAILURE;
|
|
|
|
if (name == NULL || !name_length) {
|
|
return FAILURE;
|
|
}
|
|
|
|
lc_free = lc_name = emalloc(name_length + 1);
|
|
zend_str_tolower_copy(lc_name, name, name_length);
|
|
lc_length = name_length + 1;
|
|
|
|
if (lc_name[0] == '\\') {
|
|
lc_name += 1;
|
|
lc_length -= 1;
|
|
}
|
|
|
|
phpdbg_try_access {
|
|
ret = zend_hash_find(EG(class_table), lc_name, lc_length, (void **) &ce);
|
|
} phpdbg_catch_access {
|
|
phpdbg_error("Could not fetch class %.*s, invalid data source", name_length, name);
|
|
} phpdbg_end_try_access();
|
|
|
|
efree(lc_free);
|
|
return ret;
|
|
} else {
|
|
return zend_lookup_class(name, name_length, ce TSRMLS_CC);
|
|
}
|
|
}
|
|
|
|
char *phpdbg_get_property_key(char *key) {
|
|
if (*key != 0) {
|
|
return key;
|
|
}
|
|
return strchr(key + 1, 0) + 1;
|
|
}
|
|
|
|
static int phpdbg_parse_variable_arg_wrapper(char *name, size_t len, char *keyname, size_t keylen, HashTable *parent, zval **zv, phpdbg_parse_var_func callback TSRMLS_DC) {
|
|
return callback(name, len, keyname, keylen, parent, zv TSRMLS_CC);
|
|
}
|
|
|
|
PHPDBG_API int phpdbg_parse_variable(char *input, size_t len, HashTable *parent, size_t i, phpdbg_parse_var_func callback, zend_bool silent TSRMLS_DC) {
|
|
return phpdbg_parse_variable_with_arg(input, len, parent, i, (phpdbg_parse_var_with_arg_func) phpdbg_parse_variable_arg_wrapper, silent, callback TSRMLS_CC);
|
|
}
|
|
|
|
PHPDBG_API int phpdbg_parse_variable_with_arg(char *input, size_t len, HashTable *parent, size_t i, phpdbg_parse_var_with_arg_func callback, zend_bool silent, void *arg TSRMLS_DC) {
|
|
int ret = FAILURE;
|
|
zend_bool new_index = 1;
|
|
char *last_index;
|
|
size_t index_len = 0;
|
|
zval **zv;
|
|
|
|
if (len < 2 || *input != '$') {
|
|
goto error;
|
|
}
|
|
|
|
while (i++ < len) {
|
|
if (i == len) {
|
|
new_index = 1;
|
|
} else {
|
|
switch (input[i]) {
|
|
case '[':
|
|
new_index = 1;
|
|
break;
|
|
case ']':
|
|
break;
|
|
case '>':
|
|
if (last_index[index_len - 1] == '-') {
|
|
new_index = 1;
|
|
index_len--;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if (new_index) {
|
|
last_index = input + i;
|
|
new_index = 0;
|
|
}
|
|
if (input[i - 1] == ']') {
|
|
goto error;
|
|
}
|
|
index_len++;
|
|
}
|
|
}
|
|
|
|
if (new_index && index_len == 0) {
|
|
HashPosition position;
|
|
for (zend_hash_internal_pointer_reset_ex(parent, &position);
|
|
zend_hash_get_current_data_ex(parent, (void **)&zv, &position) == SUCCESS;
|
|
zend_hash_move_forward_ex(parent, &position)) {
|
|
if (i == len || (i == len - 1 && input[len - 1] == ']')) {
|
|
zval *key = emalloc(sizeof(zval));
|
|
size_t namelen;
|
|
char *name;
|
|
char *keyname = estrndup(last_index, index_len);
|
|
zend_hash_get_current_key_zval_ex(parent, key, &position);
|
|
convert_to_string(key);
|
|
name = emalloc(i + Z_STRLEN_P(key) + 2);
|
|
namelen = sprintf(name, "%.*s%s%s", (int)i, input, phpdbg_get_property_key(Z_STRVAL_P(key)), input[len - 1] == ']'?"]":"");
|
|
efree(key);
|
|
|
|
ret = callback(name, namelen, keyname, index_len, parent, zv, arg TSRMLS_CC) == SUCCESS || ret == SUCCESS?SUCCESS:FAILURE;
|
|
} else if (Z_TYPE_PP(zv) == IS_OBJECT) {
|
|
phpdbg_parse_variable_with_arg(input, len, Z_OBJPROP_PP(zv), i, callback, silent, arg TSRMLS_CC);
|
|
} else if (Z_TYPE_PP(zv) == IS_ARRAY) {
|
|
phpdbg_parse_variable_with_arg(input, len, Z_ARRVAL_PP(zv), i, callback, silent, arg TSRMLS_CC);
|
|
} else {
|
|
/* Ignore silently */
|
|
}
|
|
}
|
|
return ret;
|
|
} else if (new_index) {
|
|
char last_chr = last_index[index_len];
|
|
last_index[index_len] = 0;
|
|
if (zend_symtable_find(parent, last_index, index_len + 1, (void **)&zv) == FAILURE) {
|
|
if (!silent) {
|
|
phpdbg_error("%.*s is undefined", (int)i, input);
|
|
}
|
|
return FAILURE;
|
|
}
|
|
last_index[index_len] = last_chr;
|
|
if (i == len) {
|
|
char *name = estrndup(input, len);
|
|
char *keyname = estrndup(last_index, index_len);
|
|
|
|
ret = callback(name, len, keyname, index_len, parent, zv, arg TSRMLS_CC) == SUCCESS || ret == SUCCESS?SUCCESS:FAILURE;
|
|
} else if (Z_TYPE_PP(zv) == IS_OBJECT) {
|
|
parent = Z_OBJPROP_PP(zv);
|
|
} else if (Z_TYPE_PP(zv) == IS_ARRAY) {
|
|
parent = Z_ARRVAL_PP(zv);
|
|
} else {
|
|
phpdbg_error("%.*s is nor an array nor an object", (int)i, input);
|
|
return FAILURE;
|
|
}
|
|
index_len = 0;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
error:
|
|
phpdbg_error("Malformed input");
|
|
return FAILURE;
|
|
}
|