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22 #ifndef ZEND_COMPILE_H
23 #define ZEND_COMPILE_H
24
25 #include "zend.h"
26 #include "zend_ast.h"
27
28 #ifdef HAVE_STDARG_H
29 # include <stdarg.h>
30 #endif
31
32 #include "zend_llist.h"
33
34 #define DEBUG_ZEND 0
35
36 #define FREE_PNODE(znode) zval_dtor(&znode->u.constant);
37
38 #define SET_UNUSED(op) op ## _type = IS_UNUSED
39
40 #define INC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count++); }
41 #define DEC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count--); }
42 #define HANDLE_INTERACTIVE() if (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) { execute_new_code(TSRMLS_C); }
43 #define DO_TICKS() if (Z_LVAL(CG(declarables).ticks)) { zend_do_ticks(TSRMLS_C); }
44
45 #define RESET_DOC_COMMENT() \
46 { \
47 if (CG(doc_comment)) { \
48 efree(CG(doc_comment)); \
49 CG(doc_comment) = NULL; \
50 } \
51 CG(doc_comment_len) = 0; \
52 }
53
54 typedef struct _zend_op_array zend_op_array;
55 typedef struct _zend_op zend_op;
56
57 typedef struct _zend_compiler_context {
58 zend_uint opcodes_size;
59 int vars_size;
60 int literals_size;
61 int current_brk_cont;
62 int backpatch_count;
63 int nested_calls;
64 int used_stack;
65 int in_finally;
66 HashTable *labels;
67 } zend_compiler_context;
68
69 typedef struct _zend_literal {
70 zval constant;
71 zend_ulong hash_value;
72 zend_uint cache_slot;
73 } zend_literal;
74
75 #define Z_HASH_P(zv) \
76 (((zend_literal*)(zv))->hash_value)
77
78 typedef union _znode_op {
79 zend_uint constant;
80 zend_uint var;
81 zend_uint num;
82 zend_ulong hash;
83 zend_uint opline_num;
84 zend_op *jmp_addr;
85 zval *zv;
86 zend_literal *literal;
87 void *ptr;
88 } znode_op;
89
90 typedef struct _znode {
91 int op_type;
92 union {
93 znode_op op;
94 zval constant;
95 zend_op_array *op_array;
96 zend_ast *ast;
97 } u;
98 zend_uint EA;
99 } znode;
100
101 typedef struct _zend_execute_data zend_execute_data;
102
103 #define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC
104 #define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC
105
106 typedef int (*user_opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
107 typedef int (ZEND_FASTCALL *opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
108
109 extern ZEND_API opcode_handler_t *zend_opcode_handlers;
110
111 struct _zend_op {
112 opcode_handler_t handler;
113 znode_op op1;
114 znode_op op2;
115 znode_op result;
116 ulong extended_value;
117 uint lineno;
118 zend_uchar opcode;
119 zend_uchar op1_type;
120 zend_uchar op2_type;
121 zend_uchar result_type;
122 };
123
124
125 typedef struct _zend_brk_cont_element {
126 int start;
127 int cont;
128 int brk;
129 int parent;
130 } zend_brk_cont_element;
131
132 typedef struct _zend_label {
133 int brk_cont;
134 zend_uint opline_num;
135 } zend_label;
136
137 typedef struct _zend_try_catch_element {
138 zend_uint try_op;
139 zend_uint catch_op;
140 zend_uint finally_op;
141 zend_uint finally_end;
142 } zend_try_catch_element;
143
144 #if SIZEOF_LONG == 8
145 #define THIS_HASHVAL 210728972157UL
146 #else
147 #define THIS_HASHVAL 275574653UL
148 #endif
149
150
151 #define ZEND_ACC_STATIC 0x01
152 #define ZEND_ACC_ABSTRACT 0x02
153 #define ZEND_ACC_FINAL 0x04
154 #define ZEND_ACC_IMPLEMENTED_ABSTRACT 0x08
155
156
157
158
159 #define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS 0x10
160 #define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS 0x20
161 #define ZEND_ACC_FINAL_CLASS 0x40
162 #define ZEND_ACC_INTERFACE 0x80
163 #define ZEND_ACC_TRAIT 0x120
164
165
166 #define ZEND_ACC_INTERACTIVE 0x10
167
168
169
170 #define ZEND_ACC_PUBLIC 0x100
171 #define ZEND_ACC_PROTECTED 0x200
172 #define ZEND_ACC_PRIVATE 0x400
173 #define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)
174
175 #define ZEND_ACC_CHANGED 0x800
176 #define ZEND_ACC_IMPLICIT_PUBLIC 0x1000
177
178
179 #define ZEND_ACC_CTOR 0x2000
180 #define ZEND_ACC_DTOR 0x4000
181 #define ZEND_ACC_CLONE 0x8000
182
183
184 #define ZEND_ACC_ALLOW_STATIC 0x10000
185
186
187 #define ZEND_ACC_SHADOW 0x20000
188
189
190 #define ZEND_ACC_DEPRECATED 0x40000
191
192
193 #define ZEND_ACC_IMPLEMENT_INTERFACES 0x80000
194 #define ZEND_ACC_IMPLEMENT_TRAITS 0x400000
195
196
197 #define ZEND_ACC_CONSTANTS_UPDATED 0x100000
198
199
200 #define ZEND_HAS_STATIC_IN_METHODS 0x800000
201
202
203 #define ZEND_ACC_CLOSURE 0x100000
204 #define ZEND_ACC_GENERATOR 0x800000
205
206
207 #define ZEND_ACC_CALL_VIA_HANDLER 0x200000
208
209
210 #define ZEND_ACC_NEVER_CACHE 0x400000
211
212 #define ZEND_ACC_VARIADIC 0x1000000
213
214 #define ZEND_ACC_RETURN_REFERENCE 0x4000000
215 #define ZEND_ACC_DONE_PASS_TWO 0x8000000
216
217
218 #define ZEND_ACC_HAS_TYPE_HINTS 0x10000000
219
220 char *zend_visibility_string(zend_uint fn_flags);
221
222
223 typedef struct _zend_property_info {
224 zend_uint flags;
225 const char *name;
226 int name_length;
227 ulong h;
228 int offset;
229 const char *doc_comment;
230 int doc_comment_len;
231 zend_class_entry *ce;
232 } zend_property_info;
233
234
235 typedef struct _zend_arg_info {
236 const char *name;
237 zend_uint name_len;
238 const char *class_name;
239 zend_uint class_name_len;
240 zend_uchar type_hint;
241 zend_uchar pass_by_reference;
242 zend_bool allow_null;
243 zend_bool is_variadic;
244 } zend_arg_info;
245
246
247
248
249
250 typedef struct _zend_internal_function_info {
251 const char *_name;
252 zend_uint _name_len;
253 const char *_class_name;
254 zend_uint required_num_args;
255 zend_uchar _type_hint;
256 zend_bool return_reference;
257 zend_bool _allow_null;
258 zend_bool _is_variadic;
259 } zend_internal_function_info;
260
261 typedef struct _zend_compiled_variable {
262 const char *name;
263 int name_len;
264 ulong hash_value;
265 } zend_compiled_variable;
266
267 struct _zend_op_array {
268
269 zend_uchar type;
270 const char *function_name;
271 zend_class_entry *scope;
272 zend_uint fn_flags;
273 union _zend_function *prototype;
274 zend_uint num_args;
275 zend_uint required_num_args;
276 zend_arg_info *arg_info;
277
278
279 zend_uint *refcount;
280
281 zend_op *opcodes;
282 zend_uint last;
283
284 zend_compiled_variable *vars;
285 int last_var;
286
287 zend_uint T;
288
289 zend_uint nested_calls;
290 zend_uint used_stack;
291
292 zend_brk_cont_element *brk_cont_array;
293 int last_brk_cont;
294
295 zend_try_catch_element *try_catch_array;
296 int last_try_catch;
297 zend_bool has_finally_block;
298
299
300 HashTable *static_variables;
301
302 zend_uint this_var;
303
304 const char *filename;
305 zend_uint line_start;
306 zend_uint line_end;
307 const char *doc_comment;
308 zend_uint doc_comment_len;
309 zend_uint early_binding;
310
311 zend_literal *literals;
312 int last_literal;
313
314 void **run_time_cache;
315 int last_cache_slot;
316
317 void *reserved[ZEND_MAX_RESERVED_RESOURCES];
318 };
319
320
321 #define ZEND_RETURN_VALUE 0
322 #define ZEND_RETURN_REFERENCE 1
323
324 typedef struct _zend_internal_function {
325
326 zend_uchar type;
327 const char * function_name;
328 zend_class_entry *scope;
329 zend_uint fn_flags;
330 union _zend_function *prototype;
331 zend_uint num_args;
332 zend_uint required_num_args;
333 zend_arg_info *arg_info;
334
335
336 void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
337 struct _zend_module_entry *module;
338 } zend_internal_function;
339
340 #define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? (function)->common.scope->name : "")
341
342 typedef union _zend_function {
343 zend_uchar type;
344
345 struct {
346 zend_uchar type;
347 const char *function_name;
348 zend_class_entry *scope;
349 zend_uint fn_flags;
350 union _zend_function *prototype;
351 zend_uint num_args;
352 zend_uint required_num_args;
353 zend_arg_info *arg_info;
354 } common;
355
356 zend_op_array op_array;
357 zend_internal_function internal_function;
358 } zend_function;
359
360
361 typedef struct _zend_function_state {
362 zend_function *function;
363 void **arguments;
364 } zend_function_state;
365
366 typedef struct _zend_function_call_entry {
367 zend_function *fbc;
368 zend_uint arg_num;
369 zend_bool uses_argument_unpacking;
370 } zend_function_call_entry;
371
372 typedef struct _zend_switch_entry {
373 znode cond;
374 int default_case;
375 int control_var;
376 } zend_switch_entry;
377
378
379 typedef struct _list_llist_element {
380 znode var;
381 zend_llist dimensions;
382 znode value;
383 } list_llist_element;
384
385 union _temp_variable;
386
387 typedef struct _call_slot {
388 zend_function *fbc;
389 zval *object;
390 zend_class_entry *called_scope;
391 zend_uint num_additional_args;
392 zend_bool is_ctor_call;
393 zend_bool is_ctor_result_used;
394 } call_slot;
395
396 struct _zend_execute_data {
397 struct _zend_op *opline;
398 zend_function_state function_state;
399 zend_op_array *op_array;
400 zval *object;
401 HashTable *symbol_table;
402 struct _zend_execute_data *prev_execute_data;
403 zval *old_error_reporting;
404 zend_bool nested;
405 zval **original_return_value;
406 zend_class_entry *current_scope;
407 zend_class_entry *current_called_scope;
408 zval *current_this;
409 struct _zend_op *fast_ret;
410 zval *delayed_exception;
411 call_slot *call_slots;
412 call_slot *call;
413 };
414
415 #define EX(element) execute_data.element
416
417 #define EX_TMP_VAR(ex, n) ((temp_variable*)(((char*)(ex)) + ((int)(n))))
418 #define EX_TMP_VAR_NUM(ex, n) (EX_TMP_VAR(ex, 0) - (1 + (n)))
419
420 #define EX_CV_NUM(ex, n) (((zval***)(((char*)(ex))+ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data))))+(n))
421
422
423 #define IS_CONST (1<<0)
424 #define IS_TMP_VAR (1<<1)
425 #define IS_VAR (1<<2)
426 #define IS_UNUSED (1<<3)
427 #define IS_CV (1<<4)
428
429 #define EXT_TYPE_UNUSED (1<<5)
430
431 #include "zend_globals.h"
432
433 BEGIN_EXTERN_C()
434
435 void init_compiler(TSRMLS_D);
436 void shutdown_compiler(TSRMLS_D);
437 void zend_init_compiler_data_structures(TSRMLS_D);
438 void zend_init_compiler_context(TSRMLS_D);
439
440 extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);
441 extern ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC);
442
443 ZEND_API int lex_scan(zval *zendlval TSRMLS_DC);
444 void startup_scanner(TSRMLS_D);
445 void shutdown_scanner(TSRMLS_D);
446
447 ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC);
448 ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC);
449 ZEND_API char *zend_get_compiled_filename(TSRMLS_D);
450 ZEND_API int zend_get_compiled_lineno(TSRMLS_D);
451 ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D);
452
453 void zend_resolve_non_class_name(znode *element_name, zend_bool *check_namespace, zend_bool case_sensitive, HashTable *current_import_sub TSRMLS_DC);
454 void zend_resolve_function_name(znode *element_name, zend_bool *check_namespace TSRMLS_DC);
455 void zend_resolve_const_name(znode *element_name, zend_bool *check_namespace TSRMLS_DC);
456 void zend_resolve_class_name(znode *class_name TSRMLS_DC);
457 ZEND_API const char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len);
458
459 #ifdef ZTS
460 const char *zend_get_zendtext(TSRMLS_D);
461 int zend_get_zendleng(TSRMLS_D);
462 #endif
463
464
465
466 void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
467 void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC);
468 void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
469 void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC);
470 void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC);
471 void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC);
472 void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC);
473 void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC);
474 void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
475 void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
476
477 void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC);
478 void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC);
479 void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC);
480 void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC);
481 void zend_do_print(znode *result, const znode *arg TSRMLS_DC);
482 void zend_do_echo(const znode *arg TSRMLS_DC);
483 typedef int (*unary_op_type)(zval *, zval * TSRMLS_DC);
484 typedef int (*binary_op_type)(zval *, zval *, zval * TSRMLS_DC);
485 ZEND_API unary_op_type get_unary_op(int opcode);
486 ZEND_API binary_op_type get_binary_op(int opcode);
487
488 void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC);
489 void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC);
490 void zend_do_do_while_begin(TSRMLS_D);
491 void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC);
492
493
494 void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC);
495 void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC);
496 void zend_do_if_end(TSRMLS_D);
497
498 void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC);
499 void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC);
500 void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC);
501
502 void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
503 void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
504
505 void zend_do_begin_variable_parse(TSRMLS_D);
506 void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC);
507
508 void zend_check_writable_variable(const znode *variable);
509
510 void zend_do_free(znode *op1 TSRMLS_DC);
511
512 void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC);
513 void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
514
515 int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier);
516 void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC);
517 void zend_do_end_function_declaration(const znode *function_token TSRMLS_DC);
518 void zend_do_receive_param(zend_uchar op, znode *varname, const znode *initialization, znode *class_type, zend_bool pass_by_reference, zend_bool is_variadic TSRMLS_DC);
519 int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC);
520 void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC);
521 void zend_do_clone(znode *result, const znode *expr TSRMLS_DC);
522 void zend_do_begin_dynamic_function_call(znode *function_name, int prefix_len TSRMLS_DC);
523 void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC);
524 void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC);
525 int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC);
526 void zend_do_end_function_call(znode *function_name, znode *result, int is_method, int is_dynamic_fcall TSRMLS_DC);
527 void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC);
528 void zend_do_yield(znode *result, znode *value, const znode *key, zend_bool is_variable TSRMLS_DC);
529 void zend_do_handle_exception(TSRMLS_D);
530
531 void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference, int is_static TSRMLS_DC);
532 void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC);
533
534 void zend_do_try(znode *try_token TSRMLS_DC);
535 void zend_do_begin_catch(znode *try_token, znode *catch_class, znode *catch_var, znode *first_catch TSRMLS_DC);
536 void zend_do_bind_catch(znode *try_token, znode *catch_token TSRMLS_DC);
537 void zend_do_end_catch(znode *catch_token TSRMLS_DC);
538 void zend_do_finally(znode *finally_token TSRMLS_DC);
539 void zend_do_end_finally(znode *try_token, znode* catch_token, znode *finally_token TSRMLS_DC);
540 void zend_do_throw(const znode *expr TSRMLS_DC);
541
542 ZEND_API int do_bind_function(const zend_op_array *op_array, zend_op *opline, HashTable *function_table, zend_bool compile_time);
543 ZEND_API zend_class_entry *do_bind_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC);
544 ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC);
545 ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC);
546 ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
547 void zend_do_implements_interface(znode *interface_znode TSRMLS_DC);
548
549
550 void zend_do_use_trait(znode *trait_znode TSRMLS_DC);
551 void zend_prepare_reference(znode *result, znode *class_name, znode *method_name TSRMLS_DC);
552 void zend_add_trait_precedence(znode *method_reference, znode *trait_list TSRMLS_DC);
553 void zend_add_trait_alias(znode *method_reference, znode *modifiers, znode *alias TSRMLS_DC);
554
555 ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC);
556 ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC);
557
558 ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
559 void zend_do_early_binding(TSRMLS_D);
560 ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC);
561
562 void zend_do_pass_param(znode *param, zend_uchar op TSRMLS_DC);
563 void zend_do_unpack_params(znode *params TSRMLS_DC);
564
565
566 void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC);
567 void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC);
568 void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC);
569 void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC);
570
571 void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC);
572
573 void zend_do_switch_cond(const znode *cond TSRMLS_DC);
574 void zend_do_switch_end(const znode *case_list TSRMLS_DC);
575 void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC);
576 void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC);
577 void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC);
578
579 void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC);
580 void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC);
581 void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC);
582 void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC);
583
584 void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC);
585
586 void zend_do_halt_compiler_register(TSRMLS_D);
587
588 void zend_do_push_object(const znode *object TSRMLS_DC);
589 void zend_do_pop_object(znode *object TSRMLS_DC);
590
591
592 void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC);
593 void zend_do_end_new_object(znode *result, const znode *new_token TSRMLS_DC);
594
595 void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC);
596
597 void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC);
598
599 void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
600 void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
601 void zend_do_add_static_array_element(zval *result, zval *offset, const zval *expr);
602 void zend_do_list_init(TSRMLS_D);
603 void zend_do_list_end(znode *result, znode *expr TSRMLS_DC);
604 void zend_do_add_list_element(const znode *element TSRMLS_DC);
605 void zend_do_new_list_begin(TSRMLS_D);
606 void zend_do_new_list_end(TSRMLS_D);
607
608
609 void zend_init_list(void *result, void *item TSRMLS_DC);
610 void zend_add_to_list(void *result, void *item TSRMLS_DC);
611
612
613 void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC);
614 void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC);
615
616 void zend_do_unset(const znode *variable TSRMLS_DC);
617 void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC);
618
619 void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC);
620
621 void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC);
622 void zend_do_foreach_cont(znode *foreach_token, const znode *open_brackets_token, const znode *as_token, znode *value, znode *key TSRMLS_DC);
623 void zend_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC);
624
625 void zend_do_declare_begin(TSRMLS_D);
626 void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC);
627 void zend_do_declare_end(const znode *declare_token TSRMLS_DC);
628
629 void zend_do_exit(znode *result, const znode *message TSRMLS_DC);
630
631 void zend_do_begin_silence(znode *strudel_token TSRMLS_DC);
632 void zend_do_end_silence(const znode *strudel_token TSRMLS_DC);
633
634 void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC);
635 void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC);
636
637 void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC);
638 void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC);
639 void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC);
640
641 void zend_do_extended_info(TSRMLS_D);
642 void zend_do_extended_fcall_begin(TSRMLS_D);
643 void zend_do_extended_fcall_end(TSRMLS_D);
644
645 void zend_do_ticks(TSRMLS_D);
646
647 void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC);
648
649 void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC);
650 void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC);
651 void zend_do_begin_namespace(const znode *name, zend_bool with_brackets TSRMLS_DC);
652 void zend_do_end_namespace(TSRMLS_D);
653 void zend_verify_namespace(TSRMLS_D);
654 void zend_do_use(znode *name, znode *new_name TSRMLS_DC);
655 void zend_do_use_non_class(znode *ns_name, znode *new_name, int is_function, zend_bool case_sensitive, HashTable *current_import_sub, HashTable *lookup_table TSRMLS_DC);
656 void zend_do_use_function(znode *name, znode *new_name TSRMLS_DC);
657 void zend_do_use_const(znode *name, znode *new_name TSRMLS_DC);
658 void zend_do_end_compilation(TSRMLS_D);
659 void zend_do_constant_expression(znode *result, zend_ast *ast TSRMLS_DC);
660
661 void zend_do_resolve_class_name(znode *result, znode *class_name, int is_static TSRMLS_DC);
662
663 void zend_do_label(znode *label TSRMLS_DC);
664 void zend_do_goto(const znode *label TSRMLS_DC);
665 void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC);
666 void zend_release_labels(int temporary TSRMLS_DC);
667
668 ZEND_API void function_add_ref(zend_function *function);
669
670 #define INITIAL_OP_ARRAY_SIZE 64
671 #define INITIAL_INTERACTIVE_OP_ARRAY_SIZE 8192
672
673
674
675 ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC);
676 ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC);
677 ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC);
678 ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...);
679 ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC);
680 ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC);
681 ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC);
682 ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC);
683 ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC);
684 ZEND_API int zend_cleanup_user_class_data(zend_class_entry **pce TSRMLS_DC);
685 ZEND_API void zend_cleanup_internal_class_data(zend_class_entry *ce TSRMLS_DC);
686 ZEND_API void zend_cleanup_internal_classes(TSRMLS_D);
687 ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC);
688 ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC);
689 ZEND_API int clean_non_persistent_function_full(zend_function *function TSRMLS_DC);
690 ZEND_API int clean_non_persistent_class_full(zend_class_entry **ce TSRMLS_DC);
691
692 ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC);
693 ZEND_API void zend_function_dtor(zend_function *function);
694 ZEND_API void destroy_zend_class(zend_class_entry **pce);
695 void zend_class_add_ref(zend_class_entry **ce);
696
697 ZEND_API void zend_mangle_property_name(char **dest, int *dest_length, const char *src1, int src1_length, const char *src2, int src2_length, int internal);
698 #define zend_unmangle_property_name(mangled_property, mangled_property_len, class_name, prop_name) \
699 zend_unmangle_property_name_ex(mangled_property, mangled_property_len, class_name, prop_name, NULL)
700 ZEND_API int zend_unmangle_property_name_ex(const char *mangled_property, int mangled_property_len, const char **class_name, const char **prop_name, int *prop_len);
701
702 #define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor
703 #define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class
704
705 zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC);
706 void init_op(zend_op *op TSRMLS_DC);
707 int get_next_op_number(zend_op_array *op_array);
708 int print_class(zend_class_entry *class_entry TSRMLS_DC);
709 void print_op_array(zend_op_array *op_array, int optimizations);
710 ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC);
711 zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array);
712 void zend_do_first_catch(znode *open_parentheses TSRMLS_DC);
713 void zend_initialize_try_catch_element(znode *catch_token TSRMLS_DC);
714 void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC);
715 ZEND_API zend_bool zend_is_compiling(TSRMLS_D);
716 ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC);
717 ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC);
718 int zend_get_class_fetch_type(const char *class_name, uint class_name_len);
719
720 typedef zend_bool (*zend_auto_global_callback)(const char *name, uint name_len TSRMLS_DC);
721 typedef struct _zend_auto_global {
722 const char *name;
723 uint name_len;
724 zend_auto_global_callback auto_global_callback;
725 zend_bool jit;
726 zend_bool armed;
727 } zend_auto_global;
728
729 ZEND_API int zend_register_auto_global(const char *name, uint name_len, zend_bool jit, zend_auto_global_callback auto_global_callback TSRMLS_DC);
730 ZEND_API void zend_activate_auto_globals(TSRMLS_D);
731 ZEND_API zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC);
732 ZEND_API zend_bool zend_is_auto_global_quick(const char *name, uint name_len, ulong hashval TSRMLS_DC);
733 ZEND_API size_t zend_dirname(char *path, size_t len);
734
735 int zendlex(znode *zendlval TSRMLS_DC);
736
737 int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC);
738
739
740
741 #include "zend_vm_opcodes.h"
742
743 #define ZEND_OP_DATA 137
744
745
746
747
748 #define ZEND_FETCH_CLASS_DEFAULT 0
749 #define ZEND_FETCH_CLASS_SELF 1
750 #define ZEND_FETCH_CLASS_PARENT 2
751 #define ZEND_FETCH_CLASS_MAIN 3
752 #define ZEND_FETCH_CLASS_GLOBAL 4
753 #define ZEND_FETCH_CLASS_AUTO 5
754 #define ZEND_FETCH_CLASS_INTERFACE 6
755 #define ZEND_FETCH_CLASS_STATIC 7
756 #define ZEND_FETCH_CLASS_TRAIT 14
757 #define ZEND_FETCH_CLASS_MASK 0x0f
758 #define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80
759 #define ZEND_FETCH_CLASS_SILENT 0x0100
760
761
762 #define ZEND_PARSED_MEMBER (1<<0)
763 #define ZEND_PARSED_METHOD_CALL (1<<1)
764 #define ZEND_PARSED_STATIC_MEMBER (1<<2)
765 #define ZEND_PARSED_FUNCTION_CALL (1<<3)
766 #define ZEND_PARSED_VARIABLE (1<<4)
767 #define ZEND_PARSED_REFERENCE_VARIABLE (1<<5)
768 #define ZEND_PARSED_NEW (1<<6)
769 #define ZEND_PARSED_LIST_EXPR (1<<7)
770
771
772
773 #define ZEND_UNSET_REG 0
774
775
776 #define BP_VAR_R 0
777 #define BP_VAR_W 1
778 #define BP_VAR_RW 2
779 #define BP_VAR_IS 3
780 #define BP_VAR_NA 4
781 #define BP_VAR_FUNC_ARG 5
782 #define BP_VAR_UNSET 6
783
784
785 #define ZEND_INTERNAL_FUNCTION 1
786 #define ZEND_USER_FUNCTION 2
787 #define ZEND_OVERLOADED_FUNCTION 3
788 #define ZEND_EVAL_CODE 4
789 #define ZEND_OVERLOADED_FUNCTION_TEMPORARY 5
790
791 #define ZEND_INTERNAL_CLASS 1
792 #define ZEND_USER_CLASS 2
793
794 #define ZEND_EVAL (1<<0)
795 #define ZEND_INCLUDE (1<<1)
796 #define ZEND_INCLUDE_ONCE (1<<2)
797 #define ZEND_REQUIRE (1<<3)
798 #define ZEND_REQUIRE_ONCE (1<<4)
799
800 #define ZEND_CT (1<<0)
801 #define ZEND_RT (1<<1)
802
803
804 #define ZEND_FETCH_GLOBAL 0x00000000
805 #define ZEND_FETCH_LOCAL 0x10000000
806 #define ZEND_FETCH_STATIC 0x20000000
807 #define ZEND_FETCH_STATIC_MEMBER 0x30000000
808 #define ZEND_FETCH_GLOBAL_LOCK 0x40000000
809 #define ZEND_FETCH_LEXICAL 0x50000000
810
811 #define ZEND_FETCH_TYPE_MASK 0x70000000
812
813 #define ZEND_FETCH_STANDARD 0x00000000
814 #define ZEND_FETCH_ADD_LOCK 0x08000000
815 #define ZEND_FETCH_MAKE_REF 0x04000000
816
817 #define ZEND_ISSET 0x02000000
818 #define ZEND_ISEMPTY 0x01000000
819 #define ZEND_ISSET_ISEMPTY_MASK (ZEND_ISSET | ZEND_ISEMPTY)
820 #define ZEND_QUICK_SET 0x00800000
821
822 #define ZEND_FETCH_ARG_MASK 0x000fffff
823
824 #define ZEND_FE_FETCH_BYREF 1
825 #define ZEND_FE_FETCH_WITH_KEY 2
826
827 #define ZEND_FE_RESET_VARIABLE (1<<0)
828 #define ZEND_FE_RESET_REFERENCE (1<<1)
829 #define EXT_TYPE_FREE_ON_RETURN (1<<2)
830
831 #define ZEND_MEMBER_FUNC_CALL 1<<0
832
833 #define ZEND_ARG_SEND_BY_REF (1<<0)
834 #define ZEND_ARG_COMPILE_TIME_BOUND (1<<1)
835 #define ZEND_ARG_SEND_FUNCTION (1<<2)
836 #define ZEND_ARG_SEND_SILENT (1<<3)
837
838 #define ZEND_SEND_BY_VAL 0
839 #define ZEND_SEND_BY_REF 1
840 #define ZEND_SEND_PREFER_REF 2
841
842 #define CHECK_ARG_SEND_TYPE(zf, arg_num, m) \
843 ((zf)->common.arg_info && \
844 (arg_num <= (zf)->common.num_args \
845 ? ((zf)->common.arg_info[arg_num-1].pass_by_reference & (m)) \
846 : ((zf)->common.fn_flags & ZEND_ACC_VARIADIC) \
847 ? ((zf)->common.arg_info[(zf)->common.num_args-1].pass_by_reference & (m)) : 0))
848
849 #define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \
850 CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF)
851
852 #define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
853 CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF)
854
855 #define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
856 CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_PREFER_REF)
857
858 #define ZEND_RETURN_VAL 0
859 #define ZEND_RETURN_REF 1
860
861
862 #define ZEND_RETURNS_FUNCTION 1<<0
863 #define ZEND_RETURNS_NEW 1<<1
864 #define ZEND_RETURNS_VALUE 1<<2
865
866 #define ZEND_FAST_RET_TO_CATCH 1
867 #define ZEND_FAST_RET_TO_FINALLY 2
868
869 #define ZEND_FAST_CALL_FROM_CATCH 1
870 #define ZEND_FAST_CALL_FROM_FINALLY 2
871
872 END_EXTERN_C()
873
874 #define ZEND_CLONE_FUNC_NAME "__clone"
875 #define ZEND_CONSTRUCTOR_FUNC_NAME "__construct"
876 #define ZEND_DESTRUCTOR_FUNC_NAME "__destruct"
877 #define ZEND_GET_FUNC_NAME "__get"
878 #define ZEND_SET_FUNC_NAME "__set"
879 #define ZEND_UNSET_FUNC_NAME "__unset"
880 #define ZEND_ISSET_FUNC_NAME "__isset"
881 #define ZEND_CALL_FUNC_NAME "__call"
882 #define ZEND_CALLSTATIC_FUNC_NAME "__callstatic"
883 #define ZEND_TOSTRING_FUNC_NAME "__tostring"
884 #define ZEND_AUTOLOAD_FUNC_NAME "__autoload"
885 #define ZEND_INVOKE_FUNC_NAME "__invoke"
886 #define ZEND_DEBUGINFO_FUNC_NAME "__debuginfo"
887
888
889
890
891
892 #define ZEND_COMPILE_EXTENDED_INFO (1<<0)
893
894
895 #define ZEND_COMPILE_HANDLE_OP_ARRAY (1<<1)
896
897
898 #define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<2)
899
900
901
902
903 #define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES (1<<3)
904
905
906 #define ZEND_COMPILE_DELAYED_BINDING (1<<4)
907
908
909 #define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION (1<<5)
910
911
912 #define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY
913
914
915 #define ZEND_COMPILE_DEFAULT_FOR_EVAL 0
916
917 #endif
918
919
920
921
922
923
924
925