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573b460 @andigutmans Zend Library
andigutmans authored
1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
0a7395e @laruence Happy New Year
laruence authored
5 | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
573b460 @andigutmans Zend Library
andigutmans authored
6 +----------------------------------------------------------------------+
d863d52 Update headers.
Sebastian Bergmann authored
7 | This source file is subject to version 2.00 of the Zend license, |
b5b1117 @zsuraski License update
zsuraski authored
8 | that is bundled with this package in the file LICENSE, and is |
f68c7ff updating license information in the headers.
James Cox authored
9 | available through the world-wide-web at the following url: |
d863d52 Update headers.
Sebastian Bergmann authored
10 | http://www.zend.com/license/2_00.txt. |
b5b1117 @zsuraski License update
zsuraski authored
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
573b460 @andigutmans Zend Library
andigutmans authored
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 +----------------------------------------------------------------------+
18 */
19
333406b - Added some missing CVS $Id$ tags, headers and footers.
foobar authored
20 /* $Id$ */
b5b1117 @zsuraski License update
zsuraski authored
21
a617217 Replace macros which begin with an underscore through an appropiately
Sascha Schumann authored
22 #ifndef ZEND_GLOBALS_H
23 #define ZEND_GLOBALS_H
573b460 @andigutmans Zend Library
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24
99947a2 @andigutmans - Shift around header files.
andigutmans authored
25
573b460 @andigutmans Zend Library
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26 #include <setjmp.h>
27
99947a2 @andigutmans - Shift around header files.
andigutmans authored
28 #include "zend_globals_macros.h"
29
573b460 @andigutmans Zend Library
andigutmans authored
30 #include "zend_stack.h"
31 #include "zend_ptr_stack.h"
32 #include "zend_hash.h"
33 #include "zend_llist.h"
6608f07 @smalyshev Mega-commit: Enter the new object model
smalyshev authored
34 #include "zend_objects.h"
f75f3cf @smalyshev Generalize object storage and reference bookkeeping
smalyshev authored
35 #include "zend_objects_API.h"
5230321 - Fix Reflection class names
Marcus Boerger authored
36 #include "zend_modules.h"
5438a9d Eliminated useless allocation of FPU control word on each request startu...
Dmitry Stogov authored
37 #include "zend_float.h"
c3286f3 implemented again zend-multibyte for PHP 5.3
Rui Hirokawa authored
38 #include "zend_multibyte.h"
39
7a87fcb @zsuraski Thread safety patch. We're still not quite there but it compiles again,...
zsuraski authored
40 /* Define ZTS if you want a thread-safe Zend */
52fcaa4 @zsuraski Thread-safe project
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41 /*#undef ZTS*/
573b460 @andigutmans Zend Library
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42
43 #ifdef ZTS
1aa2c5c @zsuraski Ok, call me crazy, because I probably am.
zsuraski authored
44
45 BEGIN_EXTERN_C()
e06a1ed @zsuraski Thread safety fixes
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46 ZEND_API extern int compiler_globals_id;
47 ZEND_API extern int executor_globals_id;
1aa2c5c @zsuraski Ok, call me crazy, because I probably am.
zsuraski authored
48 END_EXTERN_C()
49
573b460 @andigutmans Zend Library
andigutmans authored
50 #endif
51
52 #define SYMTABLE_CACHE_SIZE 32
53
54
55 #include "zend_compile.h"
56
b510a6d More portability stuff
Sascha Schumann authored
57 /* excpt.h on Digital Unix 4.0 defines function_table */
58 #undef function_table
fafbf6d @zsuraski - Implement declare() with declarables framework
zsuraski authored
59
8c885b8 Implemented concept of "delayed early binding" that allows opcode caches...
Dmitry Stogov authored
60 #define ZEND_EARLY_BINDING_COMPILE_TIME 0
61 #define ZEND_EARLY_BINDING_DELAYED 1
62 #define ZEND_EARLY_BINDING_DELAYED_ALL 2
fafbf6d @zsuraski - Implement declare() with declarables framework
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63
64 typedef struct _zend_declarables {
65 zval ticks;
66 } zend_declarables;
67
0b68251 Changed EG(argument_stack) implementation.
Dmitry Stogov authored
68 typedef struct _zend_vm_stack *zend_vm_stack;
8a6d73b improved performance of @ (silence) operator
Dmitry Stogov authored
69 typedef struct _zend_ini_entry zend_ini_entry;
70
fafbf6d @zsuraski - Implement declare() with declarables framework
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71
573b460 @andigutmans Zend Library
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72 struct _zend_compiler_globals {
73 zend_stack bp_stack;
74 zend_stack switch_cond_stack;
22f066e @andigutmans - Add foreach() freeing code.
andigutmans authored
75 zend_stack foreach_copy_stack;
573b460 @andigutmans Zend Library
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76 zend_stack object_stack;
fafbf6d @zsuraski - Implement declare() with declarables framework
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77 zend_stack declare_stack;
573b460 @andigutmans Zend Library
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78
26578c3 @andigutmans - Initial support for nested class definitions
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79 zend_class_entry *active_class_entry;
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80
81 /* variables for list() compilation */
82 zend_llist list_llist;
83 zend_llist dimension_llist;
43ebb86 @zsuraski Fix bug #10287 - avoid crashing under a bogus usage of list()
zsuraski authored
84 zend_stack list_stack;
573b460 @andigutmans Zend Library
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85
86 zend_stack function_call_stack;
87
88 char *compiled_filename;
89
90 int zend_lineno;
6f20cea Fixes to heredoc and cleanup of new re2c scanner. (Patch by Matt Wilmas)
Scott MacVicar authored
91
573b460 @andigutmans Zend Library
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92 char *heredoc;
93 int heredoc_len;
94
95 zend_op_array *active_op_array;
96
97 HashTable *function_table; /* function symbol table */
98 HashTable *class_table; /* class table */
99
c34f41b @zsuraski Eliminate run-time leak with eval()'s
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100 HashTable filenames_table;
573b460 @andigutmans Zend Library
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101
9d11db1 @andigutmans - Merge new $_GET, $_POST etc. patch from Engine 1 tree
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102 HashTable *auto_globals;
103
0372e6a @felipensp - Improved parse error messages
felipensp authored
104 zend_bool parse_error;
b6197bc @zsuraski Maintain a state of whether we're compiling and/or executing
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105 zend_bool in_compilation;
9ece796 @zsuraski define zend_bool
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106 zend_bool short_tags;
107 zend_bool asp_tags;
573b460 @andigutmans Zend Library
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108
fafbf6d @zsuraski - Implement declare() with declarables framework
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109 zend_declarables declarables;
110
9ece796 @zsuraski define zend_bool
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111 zend_bool unclean_shutdown;
87ba08d @zsuraski Avoid leaking fd's in case of failures
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112
9596255 @zsuraski Final touches on the INI parser
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113 zend_bool ini_parser_unbuffered_errors;
114
87ba08d @zsuraski Avoid leaking fd's in case of failures
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115 zend_llist open_files;
85b4df5 @zsuraski Improved interactive mode - it is now available in all builds, without a...
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116
f1e8815 @andigutmans - Change exception handling to use the Java-like catch(MyException $exce...
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117 long catch_begin;
29f5dbe @andigutmans - Initial support for exceptions.
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118
609d58a @zsuraski Merge from branch - move to standard C scanners in thread safe mode
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119 struct _zend_ini_parser_param *ini_parser_param;
120
85b4df5 @zsuraski Improved interactive mode - it is now available in all builds, without a...
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121 int interactive;
7ade3b3 @zsuraski Fix an off by one lineno issue, in case of an implicit ;
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122
cf05f34 @zsuraski MFZE1 - lineno fix
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123 zend_uint start_lineno;
7ade3b3 @zsuraski Fix an off by one lineno issue, in case of an implicit ;
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124 zend_bool increment_lineno;
b90d80b @andigutmans - Initial patch to support importing from class scopes (for Stig).
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125
26dd849 @zsuraski Add support for interfaces
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126 znode implementing_class;
e062dff @zsuraski - Implement public/protected/private methods.
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127
471947b @zsuraski Reimplement PPP properties
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128 zend_uint access_type;
bdd3b60 Implement a different way to catch documentation comments.
Andrei Zmievski authored
129
130 char *doc_comment;
131 zend_uint doc_comment_len;
ab9dcec @fujimoto - added script encoding support to Zend Engine 2.
fujimoto authored
132
8c885b8 Implemented concept of "delayed early binding" that allows opcode caches...
Dmitry Stogov authored
133 zend_uint compiler_options; /* set of ZEND_COMPILE_* constants */
134
f32ffe9 Namespaces
Dmitry Stogov authored
135 zval *current_namespace;
136 HashTable *current_import;
ea45b71 Added support for namespaces with brackets. (Greg)
Dmitry Stogov authored
137 zend_bool in_namespace;
138 zend_bool has_bracketed_namespaces;
f32ffe9 Namespaces
Dmitry Stogov authored
139
f2df6a4 - Improved memory usage
Dmitry Stogov authored
140 zend_compiler_context context;
141 zend_stack context_stack;
f66f55e @felipensp MFH: Implemented "jump label" operator (limited "goto")
felipensp authored
142
dd5c478 Added concept of interned strings. All strings constants known at compil...
Dmitry Stogov authored
143 /* interned strings */
144 char *interned_strings_start;
145 char *interned_strings_end;
146 char *interned_strings_top;
147 char *interned_strings_snapshot_top;
148
149 HashTable interned_strings;
150
bbf3d43 * Refactor zend_multibyte facility.
Moriyoshi Koizumi authored
151 const zend_encoding **script_encoding_list;
4f42ed3 - Revived zend multibyte
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152 size_t script_encoding_list_size;
ab93d8c Added multibyte suppport by default. Previosly php had to be compiled wi...
Dmitry Stogov authored
153 zend_bool multibyte;
c3286f3 implemented again zend-multibyte for PHP 5.3
Rui Hirokawa authored
154 zend_bool detect_unicode;
4f42ed3 - Revived zend multibyte
Moriyoshi Koizumi authored
155 zend_bool encoding_declared;
c3286f3 implemented again zend-multibyte for PHP 5.3
Rui Hirokawa authored
156
8768ab9 Fixed bug #34729 (Crash in ZTS mode under Apache)
Dmitry Stogov authored
157 #ifdef ZTS
f23e857 Fixed ZTS build
Dmitry Stogov authored
158 zval ***static_members_table;
8768ab9 Fixed bug #34729 (Crash in ZTS mode under Apache)
Dmitry Stogov authored
159 int last_static_member;
160 #endif
573b460 @andigutmans Zend Library
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161 };
162
163
164 struct _zend_executor_globals {
ced9cee @zsuraski - Implement return by reference:
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165 zval **return_value_ptr_ptr;
573b460 @andigutmans Zend Library
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166
167 zval uninitialized_zval;
168 zval *uninitialized_zval_ptr;
169
170 zval error_zval;
171 zval *error_zval_ptr;
172
173 zend_ptr_stack arg_types_stack;
223c674 @zsuraski - Made things work again (Thies, everybody - please check the latest CVS...
zsuraski authored
174
573b460 @andigutmans Zend Library
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175 /* symbol table cache */
176 HashTable *symtable_cache[SYMTABLE_CACHE_SIZE];
177 HashTable **symtable_cache_limit;
178 HashTable **symtable_cache_ptr;
179
180 zend_op **opline_ptr;
181
182 HashTable *active_symbol_table;
183 HashTable symbol_table; /* main symbol table */
184
5951b16 @andigutmans - Quick way of supporting include_once().
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185 HashTable included_files; /* files already included */
5463dd5 @andigutmans - Add use support (behaves like require, but will not use the same file ...
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186
10afe5d @rlerdorf Make the sigsetjmp change more robust. On systems that don't have
rlerdorf authored
187 JMP_BUF *bailout;
573b460 @andigutmans Zend Library
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188
189 int error_reporting;
fde2e61 @zsuraski error_reporting fix
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190 int orig_error_reporting;
2ef6b68 Pass on the exit status
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191 int exit_status;
573b460 @andigutmans Zend Library
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192
193 zend_op_array *active_op_array;
194
195 HashTable *function_table; /* function symbol table */
196 HashTable *class_table; /* class table */
197 HashTable *zend_constants; /* constants table */
198
90bd453 @andigutmans - Remove use of C++ reserved words namespace/this
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199 zend_class_entry *scope;
166266d Added support for Late Static Binding. (Dmitry, Etienne Kneuss)
Dmitry Stogov authored
200 zend_class_entry *called_scope; /* Scope of the calling class */
4248619 @andigutmans - Initial work on changing namespace scope. Only methods & variables
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201
90bd453 @andigutmans - Remove use of C++ reserved words namespace/this
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202 zval *This;
a4248dd @andigutmans - Significantly improve the performance of method calls and $this->membe...
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203
573b460 @andigutmans Zend Library
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204 long precision;
205
fafbf6d @zsuraski - Implement declare() with declarables framework
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206 int ticks_count;
207
b6197bc @zsuraski Maintain a state of whether we're compiling and/or executing
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208 zend_bool in_execution;
55cf45a New autoload protection schema was implemented (Using HashTable instead ...
Dmitry Stogov authored
209 HashTable *in_autoload;
b7a8297 - Boost up __autoload() calls by caching the lookup
Marcus Boerger authored
210 zend_function *autoload_func;
aecd5b8 @zsuraski MFZE1
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211 zend_bool full_tables_cleanup;
b6197bc @zsuraski Maintain a state of whether we're compiling and/or executing
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212
573b460 @andigutmans Zend Library
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213 /* for extended information support */
741ca16 @andigutmans - Fixed various inheritance problems & Andrey's leak
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214 zend_bool no_extensions;
573b460 @andigutmans Zend Library
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215
84eb48f @zsuraski Ok, this time here's some real Win32 system programming :)
zsuraski authored
216 #ifdef ZEND_WIN32
217 zend_bool timed_out;
f704a50 @pierrejoye - add EG(windows_version_info), set at init time once per instance
pierrejoye authored
218 OSVERSIONINFOEX windows_version_info;
84eb48f @zsuraski Ok, this time here's some real Win32 system programming :)
zsuraski authored
219 #endif
220
573b460 @andigutmans Zend Library
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221 HashTable regular_list;
222 HashTable persistent_list;
223
0b68251 Changed EG(argument_stack) implementation.
Dmitry Stogov authored
224 zend_vm_stack argument_stack;
1c0f136 @andigutmans - Hooray. This might actually work. (I hope)
andigutmans authored
225
a72c1ab @zsuraski Added error mask to set_error_handler()
zsuraski authored
226 int user_error_handler_error_reporting;
67f6974 @zsuraski Initial support for trapping errors (not complete and disabled; will be...
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227 zval *user_error_handler;
04788f9 @- Added set_exception_handler() function for registering a global,
Stig Bakken authored
228 zval *user_exception_handler;
a72c1ab @zsuraski Added error mask to set_error_handler()
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229 zend_stack user_error_handlers_error_reporting;
34c2b0a @zsuraski - Add restore_error_handler()
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230 zend_ptr_stack user_error_handlers;
04788f9 @- Added set_exception_handler() function for registering a global,
Stig Bakken authored
231 zend_ptr_stack user_exception_handlers;
67f6974 @zsuraski Initial support for trapping errors (not complete and disabled; will be...
zsuraski authored
232
fd0d44f @felipensp User error handlers no longer catch supressed errors (patch by Etienne K...
felipensp authored
233 zend_error_handling_t error_handling;
234 zend_class_entry *exception_class;
235
ef0bd3d @zsuraski - Move timeout code to Zend
zsuraski authored
236 /* timeout support */
237 int timeout_seconds;
238
0b7a9ce @zsuraski - Fix Win32 compilation (Use winsock2.h from now on)
zsuraski authored
239 int lambda_count;
240
8831b9c @andigutmans - MFZE1.
andigutmans authored
241 HashTable *ini_directives;
14cad8f Optimized shutdown sequence to iterate only over modified ini directives
Dmitry Stogov authored
242 HashTable *modified_ini_directives;
8a6d73b improved performance of @ (silence) operator
Dmitry Stogov authored
243 zend_ini_entry *error_reporting_ini_entry;
14cad8f Optimized shutdown sequence to iterate only over modified ini directives
Dmitry Stogov authored
244
f75f3cf @smalyshev Generalize object storage and reference bookkeeping
smalyshev authored
245 zend_objects_store objects_store;
32f9d0e - MFH Improve exception linking
Marcus Boerger authored
246 zval *exception, *prev_exception;
9e60cb5 @zsuraski Rewrote exception support. Fixes a few limitations and bugs in the old
zsuraski authored
247 zend_op *opline_before_exception;
fa47e90 Changed exception handling. Now each op_array doesn't contain ZEND_HANDL...
Dmitry Stogov authored
248 zend_op exception_op[3];
54d5305 @zsuraski Make the INI mechanism thread safe (or at least thread safer :)
zsuraski authored
249
7e5ec2d @andigutmans Initial support for built-in backtracing.
andigutmans authored
250 struct _zend_execute_data *current_execute_data;
251
5230321 - Fix Reflection class names
Marcus Boerger authored
252 struct _zend_module_entry *current_module;
9e60cb5 @zsuraski Rewrote exception support. Fixes a few limitations and bugs in the old
zsuraski authored
253
fce275e @zsuraski Improve PPP handling of properties
zsuraski authored
254 zend_property_info std_property_info;
255
d6ee9d4 @tony2001 MFH: fix #38779 (engine crashes when require()'ing file with syntax erro...
tony2001 authored
256 zend_bool active;
257
f2df6a4 - Improved memory usage
Dmitry Stogov authored
258 zend_op *start_op;
259
5438a9d Eliminated useless allocation of FPU control word on each request startu...
Dmitry Stogov authored
260 void *saved_fpu_cw_ptr;
261 #if XPFPA_HAVE_CW
262 XPFPA_CW_DATATYPE saved_fpu_cw;
263 #endif
31c0af2 Fixed floating point mathematic speed degradation (Christian)
Dmitry Stogov authored
264
b5f5e9a @andigutmans - Optimize the execute stack a bit.
andigutmans authored
265 void *reserved[ZEND_MAX_RESERVED_RESOURCES];
573b460 @andigutmans Zend Library
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266 };
267
af31602 - Rewrite scanner to be based on re2c instead of flex
Marcus Boerger authored
268 struct _zend_ini_scanner_globals {
e52aac9 @wez Implement simple stream support in the ZE scanners.
wez authored
269 zend_file_handle *yy_in;
270 zend_file_handle *yy_out;
af31602 - Rewrite scanner to be based on re2c instead of flex
Marcus Boerger authored
271
4f42ed3 - Revived zend multibyte
Moriyoshi Koizumi authored
272 unsigned int yy_leng;
273 unsigned char *yy_start;
274 unsigned char *yy_text;
275 unsigned char *yy_cursor;
276 unsigned char *yy_marker;
277 unsigned char *yy_limit;
278 int yy_state;
279 zend_stack state_stack;
af31602 - Rewrite scanner to be based on re2c instead of flex
Marcus Boerger authored
280
281 char *filename;
fac8eaf MFZE1
Ilia Alshanetsky authored
282 int lineno;
af31602 - Rewrite scanner to be based on re2c instead of flex
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283
284 /* Modes are: ZEND_INI_SCANNER_NORMAL, ZEND_INI_SCANNER_RAW */
09b6f37 MFH:
Jani Taskinen authored
285 int scanner_mode;
af31602 - Rewrite scanner to be based on re2c instead of flex
Marcus Boerger authored
286 };
287
288 struct _zend_php_scanner_globals {
289 zend_file_handle *yy_in;
290 zend_file_handle *yy_out;
09b6f37 MFH:
Jani Taskinen authored
291
af31602 - Rewrite scanner to be based on re2c instead of flex
Marcus Boerger authored
292 unsigned int yy_leng;
293 unsigned char *yy_start;
294 unsigned char *yy_text;
295 unsigned char *yy_cursor;
296 unsigned char *yy_marker;
297 unsigned char *yy_limit;
298 int yy_state;
299 zend_stack state_stack;
300
c3286f3 implemented again zend-multibyte for PHP 5.3
Rui Hirokawa authored
301 /* original (unfiltered) script */
4f42ed3 - Revived zend multibyte
Moriyoshi Koizumi authored
302 unsigned char *script_org;
303 size_t script_org_size;
c3286f3 implemented again zend-multibyte for PHP 5.3
Rui Hirokawa authored
304
305 /* filtered script */
4f42ed3 - Revived zend multibyte
Moriyoshi Koizumi authored
306 unsigned char *script_filtered;
307 size_t script_filtered_size;
c3286f3 implemented again zend-multibyte for PHP 5.3
Rui Hirokawa authored
308
309 /* input/ouput filters */
310 zend_encoding_filter input_filter;
311 zend_encoding_filter output_filter;
bbf3d43 * Refactor zend_multibyte facility.
Moriyoshi Koizumi authored
312 const zend_encoding *script_encoding;
609d58a @zsuraski Merge from branch - move to standard C scanners in thread safe mode
zsuraski authored
313 };
314
a617217 Replace macros which begin with an underscore through an appropiately
Sascha Schumann authored
315 #endif /* ZEND_GLOBALS_H */
333406b - Added some missing CVS $Id$ tags, headers and footers.
foobar authored
316
317 /*
318 * Local variables:
319 * tab-width: 4
320 * c-basic-offset: 4
321 * indent-tabs-mode: t
322 * End:
323 */
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