mirror of
https://github.com/php/php-src.git
synced 2026-03-29 19:52:20 +02:00
456 lines
11 KiB
C
456 lines
11 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 "phpdbg.h"
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#include "phpdbg_cmd.h"
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#include "phpdbg_utils.h"
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#include "phpdbg_set.h"
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ZEND_EXTERN_MODULE_GLOBALS(phpdbg);
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PHPDBG_API const char *phpdbg_get_param_type(const phpdbg_param_t *param TSRMLS_DC) /* {{{ */
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{
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switch (param->type) {
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case STACK_PARAM:
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return "stack";
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case EMPTY_PARAM:
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return "empty";
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case ADDR_PARAM:
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return "address";
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case NUMERIC_PARAM:
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return "numeric";
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case METHOD_PARAM:
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return "method";
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case NUMERIC_FUNCTION_PARAM:
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return "function opline";
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case NUMERIC_METHOD_PARAM:
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return "method opline";
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case FILE_PARAM:
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return "file or file opline";
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case STR_PARAM:
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return "string";
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default: /* this is bad */
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return "unknown";
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}
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}
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PHPDBG_API phpdbg_param_type phpdbg_parse_param(const char *str, size_t len, phpdbg_param_t *param TSRMLS_DC) /* {{{ */
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{
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char *class_name, *func_name;
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if (len == 0) {
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param->type = EMPTY_PARAM;
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goto parsed;
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}
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if (phpdbg_is_addr(str)) {
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param->addr = strtoul(str, 0, 16);
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param->type = ADDR_PARAM;
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goto parsed;
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} else if (phpdbg_is_numeric(str)) {
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param->num = strtol(str, NULL, 0);
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param->type = NUMERIC_PARAM;
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goto parsed;
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} else if (phpdbg_is_class_method(str, len+1, &class_name, &func_name)) {
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param->method.class = class_name;
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param->method.name = func_name;
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param->type = METHOD_PARAM;
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goto parsed;
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} else {
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char *line_pos = strrchr(str, ':');
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if (line_pos && phpdbg_is_numeric(line_pos+1)) {
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if (strchr(str, ':') == line_pos) {
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char path[MAXPATHLEN];
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memcpy(path, str, line_pos - str);
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path[line_pos - str] = 0;
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*line_pos = 0;
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param->file.name = phpdbg_resolve_path(path TSRMLS_CC);
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param->file.line = strtol(line_pos+1, NULL, 0);
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param->type = FILE_PARAM;
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goto parsed;
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}
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}
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line_pos = strrchr(str, '#');
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if (line_pos && phpdbg_is_numeric(line_pos+1)) {
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if (strchr(str, '#') == line_pos) {
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param->num = strtol(line_pos + 1, NULL, 0);
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if (phpdbg_is_class_method(str, line_pos - str, &class_name, &func_name)) {
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param->method.class = class_name;
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param->method.name = func_name;
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param->type = NUMERIC_METHOD_PARAM;
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} else {
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param->len = line_pos - str;
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param->str = estrndup(str, param->len);
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param->type = NUMERIC_FUNCTION_PARAM;
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}
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goto parsed;
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}
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}
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}
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param->str = estrndup(str, len);
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param->len = len;
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param->type = STR_PARAM;
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parsed:
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phpdbg_debug("phpdbg_parse_param(\"%s\", %lu): %s",
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str, len, phpdbg_get_param_type(param TSRMLS_CC));
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return param->type;
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} /* }}} */
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PHPDBG_API void phpdbg_clear_param(phpdbg_param_t *param TSRMLS_DC) /* {{{ */
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{
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if (param) {
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switch (param->type) {
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case FILE_PARAM:
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efree(param->file.name);
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break;
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case METHOD_PARAM:
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efree(param->method.class);
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efree(param->method.name);
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break;
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case STR_PARAM:
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efree(param->str);
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break;
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default:
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break;
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}
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}
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} /* }}} */
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PHPDBG_API char* phpdbg_param_tostring(const phpdbg_param_t *param, char **pointer TSRMLS_DC) /* {{{ */
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{
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switch (param->type) {
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case STR_PARAM:
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asprintf(pointer,
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"%s", param->str);
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break;
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case ADDR_PARAM:
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asprintf(pointer,
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"%#lx", param->addr);
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break;
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case NUMERIC_PARAM:
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asprintf(pointer,
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"%li",
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param->num);
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break;
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case METHOD_PARAM:
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asprintf(pointer,
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"%s::%s",
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param->method.class,
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param->method.name);
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break;
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case FILE_PARAM:
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if (param->num) {
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asprintf(pointer,
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"%s:%lu#%lu",
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param->file.name,
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param->file.line,
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param->num);
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} else {
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asprintf(pointer,
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"%s:%lu",
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param->file.name,
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param->file.line);
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}
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break;
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case NUMERIC_FUNCTION_PARAM:
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asprintf(pointer,
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"%s#%lu", param->str, param->num);
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break;
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case NUMERIC_METHOD_PARAM:
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asprintf(pointer,
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"%s::%s#%lu",
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param->method.class,
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param->method.name,
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param->num);
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break;
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default:
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asprintf(pointer,
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"%s", "unknown");
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}
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return *pointer;
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} /* }}} */
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PHPDBG_API void phpdbg_copy_param(const phpdbg_param_t* src, phpdbg_param_t* dest TSRMLS_DC) /* {{{ */
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{
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switch ((dest->type = src->type)) {
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case STACK_PARAM:
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/* nope */
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break;
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case STR_PARAM:
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dest->str = estrndup(src->str, src->len);
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dest->len = src->len;
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break;
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case ADDR_PARAM:
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dest->addr = src->addr;
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break;
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case NUMERIC_PARAM:
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dest->num = src->num;
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break;
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case METHOD_PARAM:
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dest->method.class = estrdup(src->method.class);
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dest->method.name = estrdup(src->method.name);
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break;
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case FILE_PARAM:
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dest->file.name = estrdup(src->file.name);
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dest->file.line = src->file.line;
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if (src->num)
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dest->num = src->num;
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break;
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case NUMERIC_FUNCTION_PARAM:
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dest->str = estrndup(src->str, src->len);
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dest->num = src->num;
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dest->len = src->len;
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break;
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case NUMERIC_METHOD_PARAM:
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dest->method.class = estrdup(src->method.class);
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dest->method.name = estrdup(src->method.name);
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dest->num = src->num;
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break;
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case EMPTY_PARAM: { /* do nothing */ } break;
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}
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} /* }}} */
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PHPDBG_API zend_ulong phpdbg_hash_param(const phpdbg_param_t *param TSRMLS_DC) /* {{{ */
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{
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zend_ulong hash = param->type;
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switch (param->type) {
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case STACK_PARAM:
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/* nope */
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break;
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case STR_PARAM:
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hash += zend_inline_hash_func(param->str, param->len);
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break;
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case METHOD_PARAM:
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hash += zend_inline_hash_func(param->method.class, strlen(param->method.class));
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hash += zend_inline_hash_func(param->method.name, strlen(param->method.name));
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break;
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case FILE_PARAM:
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hash += zend_inline_hash_func(param->file.name, strlen(param->file.name));
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hash += param->file.line;
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if (param->num)
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hash += param->num;
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break;
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case ADDR_PARAM:
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hash += param->addr;
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break;
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case NUMERIC_PARAM:
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hash += param->num;
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break;
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case NUMERIC_FUNCTION_PARAM:
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hash += zend_inline_hash_func(param->str, param->len);
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hash += param->num;
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break;
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case NUMERIC_METHOD_PARAM:
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hash += zend_inline_hash_func(param->method.class, strlen(param->method.class));
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hash += zend_inline_hash_func(param->method.name, strlen(param->method.name));
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if (param->num)
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hash+= param->num;
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break;
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case EMPTY_PARAM: { /* do nothing */ } break;
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}
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return hash;
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} /* }}} */
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PHPDBG_API zend_bool phpdbg_match_param(const phpdbg_param_t *l, const phpdbg_param_t *r TSRMLS_DC) /* {{{ */
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{
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if (l && r) {
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if (l->type == r->type) {
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switch (l->type) {
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case STACK_PARAM:
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/* nope, or yep */
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return 1;
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break;
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case NUMERIC_FUNCTION_PARAM:
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if (l->num != r->num) {
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break;
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}
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/* break intentionally omitted */
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case STR_PARAM:
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return (l->len == r->len) &&
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(memcmp(l->str, r->str, l->len) == SUCCESS);
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case NUMERIC_PARAM:
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return (l->num == r->num);
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case ADDR_PARAM:
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return (l->addr == r->addr);
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case FILE_PARAM: {
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if (l->file.line == r->file.line) {
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size_t lengths[2] = {
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strlen(l->file.name), strlen(r->file.name)};
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if (lengths[0] == lengths[1]) {
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if ((!l->num && !r->num) || (l->num == r->num)) {
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return (memcmp(
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l->file.name, r->file.name, lengths[0]) == SUCCESS);
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}
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}
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}
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} break;
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case NUMERIC_METHOD_PARAM:
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if (l->num != r->num) {
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break;
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}
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/* break intentionally omitted */
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case METHOD_PARAM: {
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size_t lengths[2] = {
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strlen(l->method.class), strlen(r->method.class)};
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if (lengths[0] == lengths[1]) {
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if (memcmp(l->method.class, r->method.class, lengths[0]) == SUCCESS) {
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lengths[0] = strlen(l->method.name);
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lengths[1] = strlen(r->method.name);
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if (lengths[0] == lengths[1]) {
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return (memcmp(
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l->method.name, r->method.name, lengths[0]) == SUCCESS);
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}
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}
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}
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} break;
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case EMPTY_PARAM:
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return 1;
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}
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}
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}
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return 0;
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} /* }}} */
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PHPDBG_API char* phpdbg_read_input(char *buffered TSRMLS_DC) /* {{{ */
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{
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char *cmd = NULL;
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#ifndef HAVE_LIBREADLINE
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char buf[PHPDBG_MAX_CMD];
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#endif
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char *buffer = NULL;
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if (!(PHPDBG_G(flags) & PHPDBG_IS_QUITTING)) {
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if ((PHPDBG_G(flags) & PHPDBG_IS_REMOTE) &&
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(buffered == NULL)) {
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fflush(PHPDBG_G(io)[PHPDBG_STDOUT]);
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}
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if (buffered == NULL) {
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disconnect:
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if (0) {
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PHPDBG_G(flags) |= (PHPDBG_IS_QUITTING|PHPDBG_IS_DISCONNECTED);
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zend_bailout();
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return NULL;
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}
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#ifndef HAVE_LIBREADLINE
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if (!(PHPDBG_G(flags) & PHPDBG_IS_REMOTE)) {
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if (!phpdbg_write("%s", phpdbg_get_prompt(TSRMLS_C))) {
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goto disconnect;
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}
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}
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/* note: EOF is ignored */
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readline:
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if (!fgets(buf, PHPDBG_MAX_CMD, PHPDBG_G(io)[PHPDBG_STDIN])) {
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/* the user has gone away */
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if ((PHPDBG_G(flags) & PHPDBG_IS_REMOTE)) {
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goto disconnect;
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} else goto readline;
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}
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cmd = buf;
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#else
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/* note: EOF makes readline write prompt again in local console mode */
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readline:
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if ((PHPDBG_G(flags) & PHPDBG_IS_REMOTE)) {
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char buf[PHPDBG_MAX_CMD];
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if (fgets(buf, PHPDBG_MAX_CMD, PHPDBG_G(io)[PHPDBG_STDIN])) {
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cmd = buf;
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} else goto disconnect;
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} else cmd = readline(phpdbg_get_prompt(TSRMLS_C));
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if (!cmd) {
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goto readline;
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}
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if (!(PHPDBG_G(flags) & PHPDBG_IS_REMOTE)) {
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add_history(cmd);
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}
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#endif
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} else cmd = buffered;
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buffer = estrdup(cmd);
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#ifdef HAVE_LIBREADLINE
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if (!buffered && cmd &&
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!(PHPDBG_G(flags) & PHPDBG_IS_REMOTE)) {
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free(cmd);
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}
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#endif
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}
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return buffer;
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} /* }}} */
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PHPDBG_API void phpdbg_destroy_input(char **input TSRMLS_DC) /*{{{ */
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{
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efree(*input);
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} /* }}} */
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