Annotation of embedaddon/php/Zend/zend_compile.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:    +----------------------------------------------------------------------+
                      3:    | Zend Engine                                                          |
                      4:    +----------------------------------------------------------------------+
                      5:    | Copyright (c) 1998-2012 Zend Technologies Ltd. (http://www.zend.com) |
                      6:    +----------------------------------------------------------------------+
                      7:    | This source file is subject to version 2.00 of the Zend license,     |
                      8:    | that is bundled with this package in the file LICENSE, and is        |
                      9:    | available through the world-wide-web at the following url:           |
                     10:    | http://www.zend.com/license/2_00.txt.                                |
                     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.              |
                     14:    +----------------------------------------------------------------------+
                     15:    | Authors: Andi Gutmans <andi@zend.com>                                |
                     16:    |          Zeev Suraski <zeev@zend.com>                                |
                     17:    +----------------------------------------------------------------------+
                     18: */
                     19: 
                     20: /* $Id: zend_compile.h 321634 2012-01-01 13:15:04Z felipe $ */
                     21: 
                     22: #ifndef ZEND_COMPILE_H
                     23: #define ZEND_COMPILE_H
                     24: 
                     25: #include "zend.h"
                     26: 
                     27: #ifdef HAVE_STDARG_H
                     28: # include <stdarg.h>
                     29: #endif
                     30: 
                     31: #include "zend_llist.h"
                     32: 
                     33: #define DEBUG_ZEND 0
                     34: 
                     35: #define FREE_PNODE(znode)      zval_dtor(&znode->u.constant);
                     36: 
                     37: #define SET_UNUSED(op)  (op).op_type = IS_UNUSED
                     38: 
                     39: #define INC_BPC(op_array)      if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { ((op_array)->backpatch_count++); }
                     40: #define DEC_BPC(op_array)      if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { ((op_array)->backpatch_count--); }
                     41: #define HANDLE_INTERACTIVE()  if (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) { execute_new_code(TSRMLS_C); }
                     42: #define DO_TICKS()            if (Z_LVAL(CG(declarables).ticks)) { zend_do_ticks(TSRMLS_C); }
                     43: 
                     44: #define RESET_DOC_COMMENT()        \
                     45:     {                              \
                     46:         if (CG(doc_comment)) {     \
                     47:           efree(CG(doc_comment));  \
                     48:           CG(doc_comment) = NULL;  \
                     49:         }                          \
                     50:         CG(doc_comment_len) = 0;   \
                     51:     }
                     52: 
                     53: typedef struct _zend_op_array zend_op_array;
                     54: typedef struct _zend_op zend_op;
                     55: 
                     56: typedef struct _znode {
                     57:        int op_type;
                     58:        union {
                     59:                zval constant;
                     60: 
                     61:                zend_uint var;
                     62:                zend_uint opline_num; /*  Needs to be signed */
                     63:                zend_op_array *op_array;
                     64:                zend_op *jmp_addr;
                     65:                struct {
                     66:                        zend_uint var;  /* dummy */
                     67:                        zend_uint type;
                     68:                } EA;
                     69:        } u;
                     70: } znode;
                     71: 
                     72: typedef struct _zend_execute_data zend_execute_data;
                     73: 
                     74: #define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC
                     75: #define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC
                     76: 
                     77: typedef int (*user_opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
                     78: typedef int (ZEND_FASTCALL *opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
                     79: 
                     80: extern ZEND_API opcode_handler_t *zend_opcode_handlers;
                     81: 
                     82: struct _zend_op {
                     83:        opcode_handler_t handler;
                     84:        znode result;
                     85:        znode op1;
                     86:        znode op2;
                     87:        ulong extended_value;
                     88:        uint lineno;
                     89:        zend_uchar opcode;
                     90: };
                     91: 
                     92: 
                     93: typedef struct _zend_brk_cont_element {
                     94:        int start;
                     95:        int cont;
                     96:        int brk;
                     97:        int parent;
                     98: } zend_brk_cont_element;
                     99: 
                    100: typedef struct _zend_label {
                    101:        int brk_cont;
                    102:        zend_uint opline_num;
                    103: } zend_label;
                    104: 
                    105: typedef struct _zend_try_catch_element {
                    106:        zend_uint try_op;
                    107:        zend_uint catch_op;  /* ketchup! */
                    108: } zend_try_catch_element;
                    109: 
                    110: 
                    111: /* method flags (types) */
                    112: #define ZEND_ACC_STATIC                        0x01
                    113: #define ZEND_ACC_ABSTRACT              0x02
                    114: #define ZEND_ACC_FINAL                 0x04
                    115: #define ZEND_ACC_IMPLEMENTED_ABSTRACT          0x08
                    116: 
                    117: /* class flags (types) */
                    118: /* ZEND_ACC_IMPLICIT_ABSTRACT_CLASS is used for abstract classes (since it is set by any abstract method even interfaces MAY have it set, too). */
                    119: /* ZEND_ACC_EXPLICIT_ABSTRACT_CLASS denotes that a class was explicitly defined as abstract by using the keyword. */
                    120: #define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS       0x10
                    121: #define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS       0x20
                    122: #define ZEND_ACC_FINAL_CLASS               0x40
                    123: #define ZEND_ACC_INTERFACE                         0x80
                    124: 
                    125: /* op_array flags */
                    126: #define ZEND_ACC_INTERACTIVE                           0x10
                    127: 
                    128: /* method flags (visibility) */
                    129: /* The order of those must be kept - public < protected < private */
                    130: #define ZEND_ACC_PUBLIC                0x100
                    131: #define ZEND_ACC_PROTECTED     0x200
                    132: #define ZEND_ACC_PRIVATE       0x400
                    133: #define ZEND_ACC_PPP_MASK  (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)
                    134: 
                    135: #define ZEND_ACC_CHANGED       0x800
                    136: #define ZEND_ACC_IMPLICIT_PUBLIC       0x1000
                    137: 
                    138: /* method flags (special method detection) */
                    139: #define ZEND_ACC_CTOR          0x2000
                    140: #define ZEND_ACC_DTOR          0x4000
                    141: #define ZEND_ACC_CLONE         0x8000
                    142: 
                    143: /* method flag (bc only), any method that has this flag can be used statically and non statically. */
                    144: #define ZEND_ACC_ALLOW_STATIC  0x10000
                    145: 
                    146: /* shadow of parent's private method/property */
                    147: #define ZEND_ACC_SHADOW 0x20000
                    148: 
                    149: /* deprecation flag */
                    150: #define ZEND_ACC_DEPRECATED 0x40000
                    151: 
                    152: /* class implement interface(s) flag */
                    153: #define ZEND_ACC_IMPLEMENT_INTERFACES 0x80000
                    154: 
                    155: #define ZEND_ACC_CLOSURE              0x100000
                    156: 
                    157: /* function flag for internal user call handlers __call, __callstatic */
                    158: #define ZEND_ACC_CALL_VIA_HANDLER     0x200000
                    159: 
                    160: char *zend_visibility_string(zend_uint fn_flags);
                    161: 
                    162: 
                    163: typedef struct _zend_property_info {
                    164:        zend_uint flags;
                    165:        char *name;
                    166:        int name_length;
                    167:        ulong h;
                    168:        char *doc_comment;
                    169:        int doc_comment_len;
                    170:        zend_class_entry *ce;
                    171: } zend_property_info;
                    172: 
                    173: 
                    174: typedef struct _zend_arg_info {
                    175:        const char *name;
                    176:        zend_uint name_len;
                    177:        const char *class_name;
                    178:        zend_uint class_name_len;
                    179:        zend_bool array_type_hint;
                    180:        zend_bool allow_null;
                    181:        zend_bool pass_by_reference;
                    182:        zend_bool return_reference;
                    183:        int required_num_args;
                    184: } zend_arg_info;
                    185: 
                    186: typedef struct _zend_compiled_variable {
                    187:        char *name;
                    188:        int name_len;
                    189:        ulong hash_value;
                    190: } zend_compiled_variable;
                    191: 
                    192: struct _zend_op_array {
                    193:        /* Common elements */
                    194:        zend_uchar type;
                    195:        char *function_name;            
                    196:        zend_class_entry *scope;
                    197:        zend_uint fn_flags;
                    198:        union _zend_function *prototype;
                    199:        zend_uint num_args;
                    200:        zend_uint required_num_args;
                    201:        zend_arg_info *arg_info;
                    202:        zend_bool pass_rest_by_reference;
                    203:        unsigned char return_reference;
                    204:        /* END of common elements */
                    205: 
                    206:        zend_bool done_pass_two;
                    207: 
                    208:        zend_uint *refcount;
                    209: 
                    210:        zend_op *opcodes;
                    211:        zend_uint last, size;
                    212: 
                    213:        zend_compiled_variable *vars;
                    214:        int last_var, size_var;
                    215: 
                    216:        zend_uint T;
                    217: 
                    218:        zend_brk_cont_element *brk_cont_array;
                    219:        int last_brk_cont;
                    220:        int current_brk_cont;
                    221: 
                    222:        zend_try_catch_element *try_catch_array;
                    223:        int last_try_catch;
                    224: 
                    225:        /* static variables support */
                    226:        HashTable *static_variables;
                    227: 
                    228:        zend_op *start_op;
                    229:        int backpatch_count;
                    230: 
                    231:        zend_uint this_var;
                    232: 
                    233:        char *filename;
                    234:        zend_uint line_start;
                    235:        zend_uint line_end;
                    236:        char *doc_comment;
                    237:        zend_uint doc_comment_len;
                    238:        zend_uint early_binding; /* the linked list of delayed declarations */
                    239: 
                    240:        void *reserved[ZEND_MAX_RESERVED_RESOURCES];
                    241: };
                    242: 
                    243: 
                    244: #define ZEND_RETURN_VALUE                              0
                    245: #define ZEND_RETURN_REFERENCE                  1
                    246: 
                    247: typedef struct _zend_internal_function {
                    248:        /* Common elements */
                    249:        zend_uchar type;
                    250:        char * function_name;
                    251:        zend_class_entry *scope;
                    252:        zend_uint fn_flags;
                    253:        union _zend_function *prototype;
                    254:        zend_uint num_args;
                    255:        zend_uint required_num_args;
                    256:        zend_arg_info *arg_info;
                    257:        zend_bool pass_rest_by_reference;
                    258:        unsigned char return_reference;
                    259:        /* END of common elements */
                    260: 
                    261:        void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
                    262:        struct _zend_module_entry *module;
                    263: } zend_internal_function;
                    264: 
                    265: #define ZEND_FN_SCOPE_NAME(function)  ((function) && (function)->common.scope ? (function)->common.scope->name : "")
                    266: 
                    267: typedef union _zend_function {
                    268:        zend_uchar type;        /* MUST be the first element of this struct! */
                    269: 
                    270:        struct {
                    271:                zend_uchar type;  /* never used */
                    272:                char *function_name;
                    273:                zend_class_entry *scope;
                    274:                zend_uint fn_flags;
                    275:                union _zend_function *prototype;
                    276:                zend_uint num_args;
                    277:                zend_uint required_num_args;
                    278:                zend_arg_info *arg_info;
                    279:                zend_bool pass_rest_by_reference;
                    280:                unsigned char return_reference;
                    281:        } common;
                    282: 
                    283:        zend_op_array op_array;
                    284:        zend_internal_function internal_function;
                    285: } zend_function;
                    286: 
                    287: 
                    288: typedef struct _zend_function_state {
                    289:        zend_function *function;
                    290:        void **arguments;
                    291: } zend_function_state;
                    292: 
                    293: 
                    294: typedef struct _zend_switch_entry {
                    295:        znode cond;
                    296:        int default_case;
                    297:        int control_var;
                    298: } zend_switch_entry;
                    299: 
                    300: 
                    301: typedef struct _list_llist_element {
                    302:        znode var;
                    303:        zend_llist dimensions;
                    304:        znode value;
                    305: } list_llist_element;
                    306: 
                    307: union _temp_variable;
                    308: 
                    309: struct _zend_execute_data {
                    310:        struct _zend_op *opline;
                    311:        zend_function_state function_state;
                    312:        zend_function *fbc; /* Function Being Called */
                    313:        zend_class_entry *called_scope;
                    314:        zend_op_array *op_array;
                    315:        zval *object;
                    316:        union _temp_variable *Ts;
                    317:        zval ***CVs;
                    318:        HashTable *symbol_table;
                    319:        struct _zend_execute_data *prev_execute_data;
                    320:        zval *old_error_reporting;
                    321:        zend_bool nested;
                    322:        zval **original_return_value;
                    323:        zend_class_entry *current_scope;
                    324:        zend_class_entry *current_called_scope;
                    325:        zval *current_this;
                    326:        zval *current_object;
                    327:        struct _zend_op *call_opline;
                    328: };
                    329: 
                    330: #define EX(element) execute_data.element
                    331: 
                    332: 
                    333: #define IS_CONST       (1<<0)
                    334: #define IS_TMP_VAR     (1<<1)
                    335: #define IS_VAR         (1<<2)
                    336: #define IS_UNUSED      (1<<3)  /* Unused variable */
                    337: #define IS_CV          (1<<4)  /* Compiled variable */
                    338: 
                    339: #define EXT_TYPE_UNUSED                                (1<<0)
                    340: #define EXT_TYPE_FREE_ON_RETURN                (2<<0)
                    341: 
                    342: #include "zend_globals.h"
                    343: 
                    344: BEGIN_EXTERN_C()
                    345: 
                    346: void init_compiler(TSRMLS_D);
                    347: void shutdown_compiler(TSRMLS_D);
                    348: void zend_init_compiler_data_structures(TSRMLS_D);
                    349: 
                    350: extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);
                    351: extern ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC);
                    352: 
                    353: ZEND_API int lex_scan(zval *zendlval TSRMLS_DC);
                    354: void startup_scanner(TSRMLS_D);
                    355: void shutdown_scanner(TSRMLS_D);
                    356: 
                    357: ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC);
                    358: ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC);
                    359: ZEND_API char *zend_get_compiled_filename(TSRMLS_D);
                    360: ZEND_API int zend_get_compiled_lineno(TSRMLS_D);
                    361: ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D);
                    362: 
                    363: void zend_resolve_non_class_name(znode *element_name, zend_bool check_namespace TSRMLS_DC);
                    364: void zend_resolve_class_name(znode *class_name, ulong *fetch_type, int check_ns_name TSRMLS_DC);
                    365: ZEND_API char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len);
                    366: 
                    367: #ifdef ZTS
                    368: const char *zend_get_zendtext(TSRMLS_D);
                    369: int zend_get_zendleng(TSRMLS_D);
                    370: #endif
                    371: 
                    372: 
                    373: /* parser-driven code generators */
                    374: void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
                    375: void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC);
                    376: void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
                    377: void zend_do_assign(znode *result, znode *variable, const znode *value TSRMLS_DC);
                    378: void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC);
                    379: void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC);
                    380: void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC);
                    381: void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC);
                    382: void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
                    383: void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
                    384: 
                    385: void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC);
                    386: void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC);
                    387: void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC);
                    388: void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC);
                    389: void zend_do_print(znode *result, const znode *arg TSRMLS_DC);
                    390: void zend_do_echo(const znode *arg TSRMLS_DC);
                    391: typedef int (*unary_op_type)(zval *, zval * TSRMLS_DC);
                    392: typedef int (*binary_op_type)(zval *, zval *, zval * TSRMLS_DC);
                    393: ZEND_API unary_op_type get_unary_op(int opcode);
                    394: ZEND_API binary_op_type get_binary_op(int opcode);
                    395: 
                    396: void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC);
                    397: void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC);
                    398: void zend_do_do_while_begin(TSRMLS_D);
                    399: void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC);
                    400: 
                    401: 
                    402: void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC);
                    403: void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC);
                    404: void zend_do_if_end(TSRMLS_D);
                    405: 
                    406: void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC);
                    407: void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC);
                    408: void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC);
                    409: 
                    410: void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
                    411: void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
                    412: 
                    413: void zend_do_begin_variable_parse(TSRMLS_D);
                    414: void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC);
                    415: 
                    416: void zend_check_writable_variable(const znode *variable);
                    417: 
                    418: void zend_do_free(znode *op1 TSRMLS_DC);
                    419: 
                    420: void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC);
                    421: void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
                    422: 
                    423: int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier);
                    424: void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC);
                    425: void zend_do_end_function_declaration(const znode *function_token TSRMLS_DC);
                    426: void zend_do_receive_arg(zend_uchar op, const znode *var, const znode *offset, const znode *initialization, znode *class_type, const znode *varname, zend_bool pass_by_reference TSRMLS_DC);
                    427: int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC);
                    428: void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC);
                    429: void zend_do_clone(znode *result, const znode *expr TSRMLS_DC);
                    430: void zend_do_begin_dynamic_function_call(znode *function_name, int prefix_len TSRMLS_DC);
                    431: void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC);
                    432: void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC);
                    433: int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC);
                    434: void zend_do_end_function_call(znode *function_name, znode *result, const znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC);
                    435: void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC);
                    436: void zend_do_handle_exception(TSRMLS_D);
                    437: 
                    438: void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference TSRMLS_DC);
                    439: void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC);
                    440: 
                    441: void zend_do_try(znode *try_token TSRMLS_DC);
                    442: void zend_do_begin_catch(znode *try_token, znode *catch_class, const znode *catch_var, znode *first_catch TSRMLS_DC);
                    443: void zend_do_end_catch(const znode *try_token TSRMLS_DC);
                    444: void zend_do_throw(const znode *expr TSRMLS_DC);
                    445: 
                    446: ZEND_API int do_bind_function(zend_op *opline, HashTable *function_table, zend_bool compile_time);
                    447: ZEND_API zend_class_entry *do_bind_class(const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC);
                    448: ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC);
                    449: ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC);
                    450: ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
                    451: void zend_do_implements_interface(znode *interface_znode TSRMLS_DC);
                    452: 
                    453: ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
                    454: void zend_do_early_binding(TSRMLS_D);
                    455: ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC);
                    456: 
                    457: void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC);
                    458: 
                    459: 
                    460: void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC);
                    461: void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC);
                    462: void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC);
                    463: void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC);
                    464: 
                    465: void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC);
                    466: 
                    467: void zend_do_switch_cond(const znode *cond TSRMLS_DC);
                    468: void zend_do_switch_end(const znode *case_list TSRMLS_DC);
                    469: void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC);
                    470: void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC);
                    471: void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC);
                    472: 
                    473: void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC);
                    474: void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC);
                    475: void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC);
                    476: void zend_do_declare_implicit_property(TSRMLS_D);
                    477: void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC);
                    478: 
                    479: void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC);
                    480: 
                    481: void zend_do_halt_compiler_register(TSRMLS_D);
                    482: 
                    483: void zend_do_push_object(const znode *object TSRMLS_DC);
                    484: void zend_do_pop_object(znode *object TSRMLS_DC);
                    485: 
                    486: 
                    487: void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC);
                    488: void zend_do_end_new_object(znode *result, const znode *new_token, const znode *argument_list TSRMLS_DC);
                    489: 
                    490: void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC);
                    491: 
                    492: void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC);
                    493: 
                    494: void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
                    495: void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
                    496: void zend_do_add_static_array_element(znode *result, znode *offset, const znode *expr);
                    497: void zend_do_list_init(TSRMLS_D);
                    498: void zend_do_list_end(znode *result, znode *expr TSRMLS_DC);
                    499: void zend_do_add_list_element(const znode *element TSRMLS_DC);
                    500: void zend_do_new_list_begin(TSRMLS_D);
                    501: void zend_do_new_list_end(TSRMLS_D);
                    502: 
                    503: void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC);
                    504: void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC);
                    505: 
                    506: void zend_do_unset(const znode *variable TSRMLS_DC);
                    507: void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC);
                    508: 
                    509: void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC);
                    510: 
                    511: void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC);
                    512: void zend_do_foreach_cont(znode *foreach_token, const znode *open_brackets_token, const znode *as_token, znode *value, znode *key TSRMLS_DC);
                    513: void zend_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC);
                    514: 
                    515: void zend_do_declare_begin(TSRMLS_D);
                    516: void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC);
                    517: void zend_do_declare_end(const znode *declare_token TSRMLS_DC);
                    518: 
                    519: void zend_do_exit(znode *result, const znode *message TSRMLS_DC);
                    520: 
                    521: void zend_do_begin_silence(znode *strudel_token TSRMLS_DC);
                    522: void zend_do_end_silence(const znode *strudel_token TSRMLS_DC);
                    523: 
                    524: void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC);
                    525: void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC);
                    526: 
                    527: void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC);
                    528: void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC);
                    529: void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC);
                    530: 
                    531: void zend_do_extended_info(TSRMLS_D);
                    532: void zend_do_extended_fcall_begin(TSRMLS_D);
                    533: void zend_do_extended_fcall_end(TSRMLS_D);
                    534: 
                    535: void zend_do_ticks(TSRMLS_D);
                    536: 
                    537: void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC);
                    538: 
                    539: void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC);
                    540: void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC);
                    541: void zend_do_begin_namespace(const znode *name, zend_bool with_brackets TSRMLS_DC);
                    542: void zend_do_end_namespace(TSRMLS_D);
                    543: void zend_verify_namespace(TSRMLS_D);
                    544: void zend_do_use(znode *name, znode *new_name, int is_global TSRMLS_DC);
                    545: void zend_do_end_compilation(TSRMLS_D);
                    546: 
                    547: void zend_do_label(znode *label TSRMLS_DC);
                    548: void zend_do_goto(const znode *label TSRMLS_DC);
                    549: void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC);
                    550: void zend_release_labels(TSRMLS_D);
                    551: 
                    552: ZEND_API void function_add_ref(zend_function *function);
                    553: 
                    554: #define INITIAL_OP_ARRAY_SIZE 64
                    555: 
                    556: 
                    557: /* helper functions in zend_language_scanner.l */
                    558: ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC);
                    559: ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC);
                    560: ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC);
                    561: ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...);
                    562: ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC);
                    563: ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC);
                    564: ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC);
                    565: ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC);
                    566: ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC);
                    567: ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC);
                    568: ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC);
                    569: 
                    570: ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC);
                    571: ZEND_API void zend_function_dtor(zend_function *function);
                    572: ZEND_API void destroy_zend_class(zend_class_entry **pce);
                    573: void zend_class_add_ref(zend_class_entry **ce);
                    574: 
                    575: 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);
                    576: ZEND_API int zend_unmangle_property_name(char *mangled_property, int mangled_property_len, char **prop_name, char **class_name);
                    577: 
                    578: #define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor
                    579: #define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class
                    580: 
                    581: zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC);
                    582: void init_op(zend_op *op TSRMLS_DC);
                    583: int get_next_op_number(zend_op_array *op_array);
                    584: int print_class(zend_class_entry *class_entry TSRMLS_DC);
                    585: void print_op_array(zend_op_array *op_array, int optimizations);
                    586: ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC);
                    587: zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array);
                    588: void zend_do_first_catch(znode *open_parentheses TSRMLS_DC);
                    589: void zend_initialize_try_catch_element(const znode *try_token TSRMLS_DC);
                    590: void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC);
                    591: ZEND_API zend_bool zend_is_compiling(TSRMLS_D);
                    592: ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC);
                    593: ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC);
                    594: int zend_get_class_fetch_type(const char *class_name, uint class_name_len);
                    595: 
                    596: typedef zend_bool (*zend_auto_global_callback)(char *name, uint name_len TSRMLS_DC);
                    597: typedef struct _zend_auto_global {
                    598:        char *name;
                    599:        uint name_len;
                    600:        zend_auto_global_callback auto_global_callback;
                    601:        zend_bool armed;
                    602: } zend_auto_global;
                    603: 
                    604: void zend_auto_global_dtor(zend_auto_global *auto_global);
                    605: ZEND_API int zend_register_auto_global(const char *name, uint name_len, zend_auto_global_callback auto_global_callback TSRMLS_DC);
                    606: ZEND_API zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC);
                    607: ZEND_API int zend_auto_global_disable_jit(const char *varname, zend_uint varname_length TSRMLS_DC);
                    608: ZEND_API size_t zend_dirname(char *path, size_t len);
                    609: 
                    610: #if SUHOSIN_PATCH
                    611: extern void *suhosin_zend_destroy_property_info_internal;
                    612: extern void *suhosin_zend_destroy_property_info;
                    613: #endif
                    614: 
                    615: int zendlex(znode *zendlval TSRMLS_DC);
                    616: 
                    617: /* BEGIN: OPCODES */
                    618: 
                    619: #include "zend_vm_opcodes.h"
                    620: 
                    621: #define ZEND_OP_DATA                           137
                    622: 
                    623: /* END: OPCODES */
                    624: 
                    625: 
                    626: 
                    627: 
                    628: /* global/local fetches */
                    629: #define ZEND_FETCH_GLOBAL                      0
                    630: #define ZEND_FETCH_LOCAL                       1
                    631: #define ZEND_FETCH_STATIC                      2
                    632: #define ZEND_FETCH_STATIC_MEMBER       3
                    633: #define ZEND_FETCH_GLOBAL_LOCK         4
                    634: #define ZEND_FETCH_LEXICAL                     5
                    635: 
                    636: 
                    637: /* class fetches */
                    638: #define ZEND_FETCH_CLASS_DEFAULT       0
                    639: #define ZEND_FETCH_CLASS_SELF          1
                    640: #define ZEND_FETCH_CLASS_PARENT                2
                    641: #define ZEND_FETCH_CLASS_MAIN          3
                    642: #define ZEND_FETCH_CLASS_GLOBAL                4
                    643: #define ZEND_FETCH_CLASS_AUTO          5
                    644: #define ZEND_FETCH_CLASS_INTERFACE     6
                    645: #define ZEND_FETCH_CLASS_STATIC                7
                    646: #define ZEND_FETCH_CLASS_MASK        0x0f
                    647: #define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80
                    648: #define ZEND_FETCH_CLASS_SILENT      0x0100
                    649: 
                    650: /* variable parsing type (compile-time) */
                    651: #define ZEND_PARSED_MEMBER                             (1<<0)
                    652: #define ZEND_PARSED_METHOD_CALL                        (1<<1)
                    653: #define ZEND_PARSED_STATIC_MEMBER              (1<<2)
                    654: #define ZEND_PARSED_FUNCTION_CALL              (1<<3)
                    655: #define ZEND_PARSED_VARIABLE                   (1<<4)
                    656: #define ZEND_PARSED_REFERENCE_VARIABLE (1<<5)
                    657: #define ZEND_PARSED_NEW                                        (1<<6)
                    658: 
                    659: 
                    660: /* unset types */
                    661: #define ZEND_UNSET_REG 0
                    662: 
                    663: /* var status for backpatching */
                    664: #define BP_VAR_R                       0
                    665: #define BP_VAR_W                       1
                    666: #define BP_VAR_RW                      2
                    667: #define BP_VAR_IS                      3
                    668: #define BP_VAR_NA                      4       /* if not applicable */
                    669: #define BP_VAR_FUNC_ARG                5
                    670: #define BP_VAR_UNSET           6
                    671: 
                    672: 
                    673: #define ZEND_INTERNAL_FUNCTION                         1
                    674: #define ZEND_USER_FUNCTION                                     2
                    675: #define ZEND_OVERLOADED_FUNCTION                       3
                    676: #define        ZEND_EVAL_CODE                                          4
                    677: #define ZEND_OVERLOADED_FUNCTION_TEMPORARY     5
                    678: 
                    679: #define ZEND_INTERNAL_CLASS         1
                    680: #define ZEND_USER_CLASS             2
                    681: 
                    682: #define ZEND_EVAL                              (1<<0)
                    683: #define ZEND_INCLUDE                   (1<<1)
                    684: #define ZEND_INCLUDE_ONCE              (1<<2)
                    685: #define ZEND_REQUIRE                   (1<<3)
                    686: #define ZEND_REQUIRE_ONCE              (1<<4)
                    687: 
                    688: #define ZEND_ISSET                             (1<<0)
                    689: #define ZEND_ISEMPTY                   (1<<1)
                    690: #define ZEND_ISSET_ISEMPTY_MASK        (ZEND_ISSET | ZEND_ISEMPTY)
                    691: #define ZEND_QUICK_SET                 (1<<2)
                    692: 
                    693: #define ZEND_CT        (1<<0)
                    694: #define ZEND_RT (1<<1)
                    695: 
                    696: #define ZEND_FETCH_STANDARD        0x00000000
                    697: #define ZEND_FETCH_ADD_LOCK        0x08000000
                    698: #define ZEND_FETCH_MAKE_REF        0x04000000
                    699: 
                    700: #define ZEND_FE_FETCH_BYREF    1
                    701: #define ZEND_FE_FETCH_WITH_KEY 2
                    702: 
                    703: #define ZEND_FE_RESET_VARIABLE                 1
                    704: #define ZEND_FE_RESET_REFERENCE                2
                    705: 
                    706: #define ZEND_MEMBER_FUNC_CALL  1<<0
                    707: 
                    708: #define ZEND_ARG_SEND_BY_REF (1<<0)
                    709: #define ZEND_ARG_COMPILE_TIME_BOUND (1<<1)
                    710: #define ZEND_ARG_SEND_FUNCTION (1<<2)
                    711: #define ZEND_ARG_SEND_SILENT   (1<<3)
                    712: 
                    713: #define ZEND_SEND_BY_VAL     0
                    714: #define ZEND_SEND_BY_REF     1
                    715: #define ZEND_SEND_PREFER_REF 2
                    716: 
                    717: #define ARG_SEND_TYPE(zf, arg_num)                                                                                             \
                    718:        ((zf) ?                                                                     \
                    719:         ((((zend_function*)(zf))->common.arg_info &&                               \
                    720:           arg_num<=((zend_function*)(zf))->common.num_args) ?                      \
                    721:          ((zend_function *)(zf))->common.arg_info[arg_num-1].pass_by_reference :   \
                    722:          ((zend_function *)(zf))->common.pass_rest_by_reference) :                 \
                    723:         ZEND_SEND_BY_VAL)      
                    724: 
                    725: #define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \
                    726:        (ARG_SEND_TYPE(zf, arg_num) == ZEND_SEND_BY_REF)
                    727: 
                    728: #define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
                    729:        (ARG_SEND_TYPE(zf, arg_num) & (ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF))
                    730: 
                    731: #define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
                    732:        (ARG_SEND_TYPE(zf, arg_num) == ZEND_SEND_PREFER_REF)
                    733: 
                    734: #define ZEND_RETURN_VAL 0
                    735: #define ZEND_RETURN_REF 1
                    736: 
                    737: 
                    738: #define ZEND_RETURNS_FUNCTION 1<<0
                    739: #define ZEND_RETURNS_NEW      1<<1
                    740: 
                    741: END_EXTERN_C()
                    742: 
                    743: #define ZEND_CLONE_FUNC_NAME           "__clone"
                    744: #define ZEND_CONSTRUCTOR_FUNC_NAME     "__construct"
                    745: #define ZEND_DESTRUCTOR_FUNC_NAME      "__destruct"
                    746: #define ZEND_GET_FUNC_NAME          "__get"
                    747: #define ZEND_SET_FUNC_NAME          "__set"
                    748: #define ZEND_UNSET_FUNC_NAME        "__unset"
                    749: #define ZEND_ISSET_FUNC_NAME        "__isset"
                    750: #define ZEND_CALL_FUNC_NAME         "__call"
                    751: #define ZEND_CALLSTATIC_FUNC_NAME   "__callstatic"
                    752: #define ZEND_TOSTRING_FUNC_NAME     "__tostring"
                    753: #define ZEND_AUTOLOAD_FUNC_NAME     "__autoload"
                    754: 
                    755: /* The following constants may be combined in CG(compiler_options)
                    756:  * to change the default compiler behavior */
                    757: 
                    758: /* generate extended debug information */
                    759: #define ZEND_COMPILE_EXTENDED_INFO                             (1<<0)
                    760: 
                    761: /* call op_array handler of extendions */
                    762: #define ZEND_COMPILE_HANDLE_OP_ARRAY            (1<<1)
                    763: 
                    764: /* generate ZEND_DO_FCALL_BY_NAME for internal functions instead of ZEND_DO_FCALL */
                    765: #define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<2)
                    766: 
                    767: /* don't perform early binding for classes inherited form internal ones;
                    768:  * in namespaces assume that internal class that doesn't exist at compile-time
                    769:  * may apper in run-time */
                    770: #define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES   (1<<3)
                    771: 
                    772: /* generate ZEND_DECLARE_INHERITED_CLASS_DELAYED opcode to delay early binding */
                    773: #define ZEND_COMPILE_DELAYED_BINDING                   (1<<4)
                    774: 
                    775: /* disable constant substitution at compile-time */
                    776: #define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION  (1<<5)
                    777: 
                    778: /* The default value for CG(compiler_options) */
                    779: #define ZEND_COMPILE_DEFAULT                                   ZEND_COMPILE_HANDLE_OP_ARRAY
                    780: 
                    781: /* The default value for CG(compiler_options) during eval() */
                    782: #define ZEND_COMPILE_DEFAULT_FOR_EVAL                  0
                    783: 
                    784: #endif /* ZEND_COMPILE_H */
                    785: 
                    786: /*
                    787:  * Local variables:
                    788:  * tab-width: 4
                    789:  * c-basic-offset: 4
                    790:  * indent-tabs-mode: t
                    791:  * End:
                    792:  */

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