summaryrefslogtreecommitdiff
path: root/Zend/zend.h
blob: a2395a9ec0e96c26974c94bce8beb6426825efb0 (plain)
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski                  |
   +----------------------------------------------------------------------+
   | This source file is subject to the Zend license, that is bundled     |
   | with this package in the file LICENSE.  If you did not receive a     |
   | copy of the Zend license, please mail us at zend@zend.com so we can  |
   | send you a copy immediately.                                         |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

#ifndef _ZEND_H
#define _ZEND_H

#define ZEND_VERSION "0.80A"

#include <stdio.h>

/*
 * general definitions
 */

#if WINNT||WIN32
#include "config.w32.h"
#else
#include "config.h"
#include "config.unix.h"
#endif

#include "zend_errors.h"
#include "zend_alloc.h"


#undef SUCCESS
#undef FAILURE
#define SUCCESS 0
#define FAILURE -1				/* this MUST stay a negative number, or it may effect functions! */


#include "zend_hash.h"
#include "zend_llist.h"


#define INTERNAL_FUNCTION_PARAMETERS HashTable *ht, zval *return_value, HashTable *list, HashTable *plist
#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, list, plist

/*
 * zval
 */
typedef struct _zval_struct zval;
typedef struct _zend_class_entry zend_class_entry;

typedef union {
	long lval;					/* long value */
	double dval;				/* double value */
	struct {
		char *val;
		int len;
	} str;
	char chval;					/* char value */
	HashTable *ht;				/* hash table value */
	struct {
		zend_class_entry *ce;
		HashTable *properties;
	} obj;
} zvalue_value;


struct _zval_struct {
	/* Variable information */
	zvalue_value value;		/* value */
	unsigned char type;	/* active type */
	unsigned char is_ref;
	short refcount;
};



typedef struct {
	char *fname;
	void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
	unsigned char *func_arg_types;
} function_entry;


typedef struct {
	int type;  /* read, write or r/w */
	zval **object;
	zend_llist elements_list;
} zend_property_reference;



typedef struct {
	int type;		/* array offset or object proprety */
	zval element;
} zend_overloaded_element;


struct _zend_class_entry {
	char type;
	char *name;
	uint name_length;
	struct _zend_class_entry *parent; 

	HashTable function_table;
	HashTable default_properties;

	/* handlers */
	void (*handle_function_call)(INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference);
	zval (*handle_property_get)(zend_property_reference *property_reference);
	int (*handle_property_set)(zend_property_reference *property_reference, zval *value);
};



typedef struct {
	void (*error_function)(int type, const char *format, ...);
	int (*printf_function)(const char *format, ...);
	int (*write_function)(const char *str, uint str_length);
	FILE *(*fopen_function)(const char *filename);
	void (*message_handler)(long message, void *data);
	void (*block_interruptions)();
	void (*unblock_interruptions)();
} zend_utility_functions;

		
typedef struct {
	unsigned char short_tags;
	unsigned char asp_tags;
} zend_utility_values;


#undef MIN
#undef MAX
#define MAX(a,b)  (((a)>(b))?(a):(b))
#define MIN(a,b)  (((a)<(b))?(a):(b))

/* data types */
#define IS_LONG		1
#define IS_DOUBLE	2
#define IS_STRING	3
#define IS_ARRAY	4
#define IS_OBJECT	5
#define IS_BC 		6 /* for parser internal use only */
#define IS_BOOL		7
#define IS_RESOURCE 8
#define IS_CONSTANT	9
#define IS_METHOD	10 /* for overloaded function calls */

int zend_startup(zend_utility_functions *utility_functions, zend_utility_values *utility_values, char **extensions);
void zend_shutdown();
ZEND_API void zend_bailout();
ZEND_API char *get_zend_version();

ZEND_API int zend_print_zval(zval *expr, int indent);
ZEND_API void zend_print_zval_r(zval *expr, int indent);

ZEND_API extern char *empty_string;
ZEND_API extern char *undefined_variable_string;

#define STR_FREE(ptr) if (ptr && ptr!=empty_string && ptr!=undefined_variable_string) { efree(ptr); }


/* output support */
#define ZEND_WRITE(str, str_len)		zend_write((str), (str_len))
#define ZEND_PUTS(str)					zend_write((str), strlen((str)))
#define ZEND_PUTC(c)					zend_write(&(c), 1), (c)

extern ZEND_API int (*zend_printf)(const char *format, ...);
extern ZEND_API int (*zend_write)(const char *str, uint str_length);
extern ZEND_API void (*zend_error)(int type, const char *format, ...);
extern FILE *(*zend_fopen)(const char *filename);
extern void (*zend_message_dispatcher)(long message, void *data);
extern void (*zend_block_interruptions)();
extern void (*zend_unblock_interruptions)();


void zenderror(char *error);

extern zend_class_entry standard_class;
extern zend_utility_values zend_uv;

#define ZEND_UV(name) (zend_uv.name)


#define HANDLE_BLOCK_INTERRUPTIONS()		if (zend_block_interruptions) { zend_block_interruptions(); }
#define HANDLE_UNBLOCK_INTERRUPTIONS()		if (zend_unblock_interruptions) { zend_unblock_interruptions(); }




/* Messages for applications of Zend */
#define ZMSG_ENABLE_TRACK_VARS			1L
#define ZMSG_FAILED_INCLUDE_FOPEN		2L
#define ZMSG_FAILED_REQUIRE_FOPEN		3L
#define ZMSG_FAILED_HIGHLIGHT_FOPEN		4L
#define ZMSG_MEMORY_LEAK_DETECTED		5L

#endif /* _ZEND_H */