1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Felipe Pena <felipe@php.net> |
| Authors: Joe Watkins <joe.watkins@live.co.uk> |
| Authors: Bob Weinand <bwoebi@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef PHPDBG_CMD_H
#define PHPDBG_CMD_H
#include "TSRM.h"
/* {{{ Command and Parameter */
enum {
NO_ARG = 0,
REQUIRED_ARG,
OPTIONAL_ARG
};
typedef enum {
EMPTY_PARAM = 0,
ADDR_PARAM,
FILE_PARAM,
NUMERIC_FILE_PARAM,
METHOD_PARAM,
STR_PARAM,
NUMERIC_PARAM,
NUMERIC_FUNCTION_PARAM,
NUMERIC_METHOD_PARAM,
STACK_PARAM,
EVAL_PARAM,
SHELL_PARAM,
COND_PARAM,
OP_PARAM,
ORIG_PARAM,
RUN_PARAM
} phpdbg_param_type;
typedef struct _phpdbg_param phpdbg_param_t;
struct _phpdbg_param {
phpdbg_param_type type;
long num;
zend_ulong addr;
struct {
char *name;
long line;
} file;
struct {
char *class;
char *name;
} method;
char *str;
size_t len;
phpdbg_param_t *next;
phpdbg_param_t *top;
};
#define phpdbg_init_param(v, t) do{ \
(v)->type = (t); \
(v)->addr = 0; \
(v)->num = 0; \
(v)->file.name = NULL; \
(v)->file.line = 0; \
(v)->method.class = NULL; \
(v)->method.name = NULL; \
(v)->str = NULL; \
(v)->len = 0; \
(v)->next = NULL; \
(v)->top = NULL; \
} while(0)
#ifndef YYSTYPE
#define YYSTYPE phpdbg_param_t
#endif
#define PHPDBG_ASYNC_SAFE 1
typedef int (*phpdbg_command_handler_t)(const phpdbg_param_t*);
typedef struct _phpdbg_command_t phpdbg_command_t;
struct _phpdbg_command_t {
const char *name; /* Command name */
size_t name_len; /* Command name length */
const char *tip; /* Menu tip */
size_t tip_len; /* Menu tip length */
char alias; /* Alias */
phpdbg_command_handler_t handler; /* Command handler */
const phpdbg_command_t *subs; /* Sub Commands */
char *args; /* Argument Spec */
const phpdbg_command_t *parent; /* Parent Command */
zend_bool flags; /* General flags */
};
/* }}} */
/* {{{ misc */
#define PHPDBG_STRL(s) s, sizeof(s)-1
#define PHPDBG_MAX_CMD 500
#define PHPDBG_FRAME(v) (PHPDBG_G(frame).v)
#define PHPDBG_EX(v) (EG(current_execute_data)->v)
typedef struct {
int num;
zend_execute_data *execute_data;
} phpdbg_frame_t;
/* }}} */
/*
* Workflow:
* 1) the lexer/parser creates a stack of commands and arguments from input
* 2) the commands at the top of the stack are resolved sensibly using aliases, abbreviations and case insensitive matching
* 3) the remaining arguments in the stack are verified (optionally) against the handlers declared argument specification
* 4) the handler is called passing the top of the stack as the only parameter
* 5) the stack is destroyed upon return from the handler
*/
/*
* Input Management
*/
PHPDBG_API char* phpdbg_read_input(char *buffered);
PHPDBG_API void phpdbg_destroy_input(char**);
PHPDBG_API int phpdbg_ask_user_permission(const char *question);
/**
* Stack Management
*/
PHPDBG_API void phpdbg_stack_push(phpdbg_param_t *stack, phpdbg_param_t *param);
PHPDBG_API const phpdbg_command_t *phpdbg_stack_resolve(const phpdbg_command_t *commands, const phpdbg_command_t *parent, phpdbg_param_t **top);
PHPDBG_API int phpdbg_stack_verify(const phpdbg_command_t *command, phpdbg_param_t **stack);
PHPDBG_API int phpdbg_stack_execute(phpdbg_param_t *stack, zend_bool allow_async_unsafe);
PHPDBG_API void phpdbg_stack_free(phpdbg_param_t *stack);
/*
* Parameter Management
*/
PHPDBG_API void phpdbg_clear_param(phpdbg_param_t*);
PHPDBG_API void phpdbg_copy_param(const phpdbg_param_t*, phpdbg_param_t*);
PHPDBG_API zend_bool phpdbg_match_param(const phpdbg_param_t *, const phpdbg_param_t *);
PHPDBG_API zend_ulong phpdbg_hash_param(const phpdbg_param_t *);
PHPDBG_API const char* phpdbg_get_param_type(const phpdbg_param_t*);
PHPDBG_API char* phpdbg_param_tostring(const phpdbg_param_t *param, char **pointer);
PHPDBG_API void phpdbg_param_debug(const phpdbg_param_t *param, const char *msg);
/**
* Command Declarators
*/
#define PHPDBG_COMMAND_HANDLER(name) phpdbg_do_##name
#define PHPDBG_COMMAND_D_EXP(name, tip, alias, handler, children, args, parent, flags) \
{PHPDBG_STRL(#name), tip, sizeof(tip)-1, alias, phpdbg_do_##handler, children, args, parent, flags}
#define PHPDBG_COMMAND_D_EX(name, tip, alias, handler, children, args, flags) \
{PHPDBG_STRL(#name), tip, sizeof(tip)-1, alias, phpdbg_do_##handler, children, args, NULL, flags}
#define PHPDBG_COMMAND_D(name, tip, alias, children, args, flags) \
{PHPDBG_STRL(#name), tip, sizeof(tip)-1, alias, phpdbg_do_##name, children, args, NULL, flags}
#define PHPDBG_COMMAND(name) int phpdbg_do_##name(const phpdbg_param_t *param)
#define PHPDBG_COMMAND_ARGS param
#define PHPDBG_END_COMMAND {NULL, 0, NULL, 0, '\0', NULL, NULL, NULL, NULL, 0}
/*
* Default Switch Case
*/
#define phpdbg_default_switch_case() \
default: \
phpdbg_error("command", "type=\"wrongarg\" got=\"%s\"", "Unsupported parameter type (%s) for command", phpdbg_get_param_type(param)); \
break
#endif /* PHPDBG_CMD_H */
|
