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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef ZEND_COMPILE_H
#define ZEND_COMPILE_H
#include "zend.h"
#ifdef HAVE_STDARG_H
# include <stdarg.h>
#endif
#include "zend_llist.h"
#define DEBUG_ZEND 0
#define FREE_PNODE(znode) zval_dtor(&znode->u.constant);
#define SET_UNUSED(op) op ## _type = IS_UNUSED
#define INC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count++); }
#define DEC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count--); }
#define HANDLE_INTERACTIVE() if (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) { execute_new_code(TSRMLS_C); }
#define DO_TICKS() if (Z_LVAL(CG(declarables).ticks)) { zend_do_ticks(TSRMLS_C); }
#define RESET_DOC_COMMENT() \
{ \
if (CG(doc_comment)) { \
efree(CG(doc_comment)); \
CG(doc_comment) = NULL; \
} \
CG(doc_comment_len) = 0; \
}
typedef struct _zend_op_array zend_op_array;
typedef struct _zend_op zend_op;
typedef struct _zend_compiler_context {
zend_uint opcodes_size;
int vars_size;
int literals_size;
int current_brk_cont;
int backpatch_count;
int nested_calls;
int used_stack;
int in_finally;
HashTable *labels;
} zend_compiler_context;
typedef struct _zend_literal {
zval constant;
zend_ulong hash_value;
zend_uint cache_slot;
} zend_literal;
#define Z_HASH_P(zv) \
(((zend_literal*)(zv))->hash_value)
typedef union _znode_op {
zend_uint constant;
zend_uint var;
zend_uint num;
zend_ulong hash;
zend_uint opline_num; /* Needs to be signed */
zend_op *jmp_addr;
zval *zv;
zend_literal *literal;
void *ptr; /* Used for passing pointers from the compile to execution phase, currently used for traits */
} znode_op;
typedef struct _znode { /* used only during compilation */
int op_type;
union {
znode_op op;
zval constant; /* replaced by literal/zv */
zend_op_array *op_array;
} u;
zend_uint EA; /* extended attributes */
} znode;
typedef struct _zend_execute_data zend_execute_data;
#define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC
#define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC
typedef int (*user_opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
typedef int (ZEND_FASTCALL *opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
extern ZEND_API opcode_handler_t *zend_opcode_handlers;
struct _zend_op {
opcode_handler_t handler;
znode_op op1;
znode_op op2;
znode_op result;
ulong extended_value;
uint lineno;
zend_uchar opcode;
zend_uchar op1_type;
zend_uchar op2_type;
zend_uchar result_type;
};
typedef struct _zend_brk_cont_element {
int start;
int cont;
int brk;
int parent;
} zend_brk_cont_element;
typedef struct _zend_label {
int brk_cont;
zend_uint opline_num;
} zend_label;
typedef struct _zend_try_catch_element {
zend_uint try_op;
zend_uint catch_op; /* ketchup! */
zend_uint finally_op;
zend_uint finally_end;
} zend_try_catch_element;
#if SIZEOF_LONG == 8
#define THIS_HASHVAL 210728972157UL
#else
#define THIS_HASHVAL 275574653UL
#endif
/* method flags (types) */
#define ZEND_ACC_STATIC 0x01
#define ZEND_ACC_ABSTRACT 0x02
#define ZEND_ACC_FINAL 0x04
#define ZEND_ACC_IMPLEMENTED_ABSTRACT 0x08
/* class flags (types) */
/* 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). */
/* ZEND_ACC_EXPLICIT_ABSTRACT_CLASS denotes that a class was explicitly defined as abstract by using the keyword. */
#define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS 0x10
#define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS 0x20
#define ZEND_ACC_FINAL_CLASS 0x40
#define ZEND_ACC_INTERFACE 0x80
#define ZEND_ACC_TRAIT 0x120
/* op_array flags */
#define ZEND_ACC_INTERACTIVE 0x10
/* method flags (visibility) */
/* The order of those must be kept - public < protected < private */
#define ZEND_ACC_PUBLIC 0x100
#define ZEND_ACC_PROTECTED 0x200
#define ZEND_ACC_PRIVATE 0x400
#define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)
#define ZEND_ACC_CHANGED 0x800
#define ZEND_ACC_IMPLICIT_PUBLIC 0x1000
/* method flags (special method detection) */
#define ZEND_ACC_CTOR 0x2000
#define ZEND_ACC_DTOR 0x4000
#define ZEND_ACC_CLONE 0x8000
/* method flag (bc only), any method that has this flag can be used statically and non statically. */
#define ZEND_ACC_ALLOW_STATIC 0x10000
/* shadow of parent's private method/property */
#define ZEND_ACC_SHADOW 0x20000
/* deprecation flag */
#define ZEND_ACC_DEPRECATED 0x40000
/* class implement interface(s) flag */
#define ZEND_ACC_IMPLEMENT_INTERFACES 0x80000
#define ZEND_ACC_IMPLEMENT_TRAITS 0x400000
/* class constants updated */
#define ZEND_ACC_CONSTANTS_UPDATED 0x100000
/* user class has methods with static variables */
#define ZEND_HAS_STATIC_IN_METHODS 0x800000
#define ZEND_ACC_CLOSURE 0x100000
#define ZEND_ACC_GENERATOR 0x800000
/* function flag for internal user call handlers __call, __callstatic */
#define ZEND_ACC_CALL_VIA_HANDLER 0x200000
/* disable inline caching */
#define ZEND_ACC_NEVER_CACHE 0x400000
#define ZEND_ACC_PASS_REST_BY_REFERENCE 0x1000000
#define ZEND_ACC_PASS_REST_PREFER_REF 0x2000000
#define ZEND_ACC_RETURN_REFERENCE 0x4000000
#define ZEND_ACC_DONE_PASS_TWO 0x8000000
char *zend_visibility_string(zend_uint fn_flags);
typedef struct _zend_property_info {
zend_uint flags;
const char *name;
int name_length;
ulong h;
int offset;
const char *doc_comment;
int doc_comment_len;
zend_class_entry *ce;
} zend_property_info;
typedef struct _zend_arg_info {
const char *name;
zend_uint name_len;
const char *class_name;
zend_uint class_name_len;
zend_uchar type_hint;
zend_bool allow_null;
zend_bool pass_by_reference;
} zend_arg_info;
/* the following structure repeats the layout of zend_arg_info,
* but its fields have different meaning. It's used as the first element of
* arg_info array to define properties of internal functions.
*/
typedef struct _zend_internal_function_info {
const char *_name;
zend_uint _name_len;
const char *_class_name;
zend_uint required_num_args;
zend_uchar _type_hint;
zend_bool return_reference;
zend_bool pass_rest_by_reference;
} zend_internal_function_info;
typedef struct _zend_compiled_variable {
const char *name;
int name_len;
ulong hash_value;
} zend_compiled_variable;
struct _zend_op_array {
/* Common elements */
zend_uchar type;
const char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
/* END of common elements */
zend_uint *refcount;
zend_op *opcodes;
zend_uint last;
zend_compiled_variable *vars;
int last_var;
zend_uint T;
zend_uint nested_calls;
zend_uint used_stack;
zend_brk_cont_element *brk_cont_array;
int last_brk_cont;
zend_try_catch_element *try_catch_array;
int last_try_catch;
zend_bool has_finally_block;
/* static variables support */
HashTable *static_variables;
zend_uint this_var;
const char *filename;
zend_uint line_start;
zend_uint line_end;
const char *doc_comment;
zend_uint doc_comment_len;
zend_uint early_binding; /* the linked list of delayed declarations */
zend_literal *literals;
int last_literal;
void **run_time_cache;
int last_cache_slot;
void *reserved[ZEND_MAX_RESERVED_RESOURCES];
};
#define ZEND_RETURN_VALUE 0
#define ZEND_RETURN_REFERENCE 1
typedef struct _zend_internal_function {
/* Common elements */
zend_uchar type;
const char * function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
/* END of common elements */
void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
struct _zend_module_entry *module;
} zend_internal_function;
#define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? (function)->common.scope->name : "")
typedef union _zend_function {
zend_uchar type; /* MUST be the first element of this struct! */
struct {
zend_uchar type; /* never used */
const char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
} common;
zend_op_array op_array;
zend_internal_function internal_function;
} zend_function;
typedef struct _zend_function_state {
zend_function *function;
void **arguments;
} zend_function_state;
typedef struct _zend_switch_entry {
znode cond;
int default_case;
int control_var;
} zend_switch_entry;
typedef struct _list_llist_element {
znode var;
zend_llist dimensions;
znode value;
} list_llist_element;
union _temp_variable;
typedef struct _call_slot {
zend_function *fbc;
zval *object;
zend_class_entry *called_scope;
zend_bool is_ctor_call;
zend_bool is_ctor_result_used;
} call_slot;
struct _zend_execute_data {
struct _zend_op *opline;
zend_function_state function_state;
zend_op_array *op_array;
zval *object;
HashTable *symbol_table;
struct _zend_execute_data *prev_execute_data;
zval *old_error_reporting;
zend_bool nested;
zval **original_return_value;
zend_class_entry *current_scope;
zend_class_entry *current_called_scope;
zval *current_this;
struct _zend_op *fast_ret; /* used by FAST_CALL/FAST_RET (finally keyword) */
call_slot *call_slots;
call_slot *call;
};
#define EX(element) execute_data.element
#define EX_TMP_VAR(ex, n) ((temp_variable*)(((char*)(ex)) + ((int)(n))))
#define EX_TMP_VAR_NUM(ex, n) (EX_TMP_VAR(ex, 0) - (1 + (n)))
#define EX_CV_NUM(ex, n) (((zval***)(((char*)(ex))+ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data))))+(n))
#define IS_CONST (1<<0)
#define IS_TMP_VAR (1<<1)
#define IS_VAR (1<<2)
#define IS_UNUSED (1<<3) /* Unused variable */
#define IS_CV (1<<4) /* Compiled variable */
#define EXT_TYPE_UNUSED (1<<5)
#include "zend_globals.h"
BEGIN_EXTERN_C()
void init_compiler(TSRMLS_D);
void shutdown_compiler(TSRMLS_D);
void zend_init_compiler_data_structures(TSRMLS_D);
void zend_init_compiler_context(TSRMLS_D);
extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);
extern ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC);
ZEND_API int lex_scan(zval *zendlval TSRMLS_DC);
void startup_scanner(TSRMLS_D);
void shutdown_scanner(TSRMLS_D);
ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC);
ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC);
ZEND_API char *zend_get_compiled_filename(TSRMLS_D);
ZEND_API int zend_get_compiled_lineno(TSRMLS_D);
ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D);
void zend_resolve_non_class_name(znode *element_name, zend_bool check_namespace TSRMLS_DC);
void zend_resolve_class_name(znode *class_name, ulong fetch_type, int check_ns_name TSRMLS_DC);
ZEND_API const char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len);
#ifdef ZTS
const char *zend_get_zendtext(TSRMLS_D);
int zend_get_zendleng(TSRMLS_D);
#endif
/* parser-driven code generators */
void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC);
void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC);
void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC);
void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC);
void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC);
void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC);
void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC);
void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC);
void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC);
void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC);
void zend_do_print(znode *result, const znode *arg TSRMLS_DC);
void zend_do_echo(const znode *arg TSRMLS_DC);
typedef int (*unary_op_type)(zval *, zval * TSRMLS_DC);
typedef int (*binary_op_type)(zval *, zval *, zval * TSRMLS_DC);
ZEND_API unary_op_type get_unary_op(int opcode);
ZEND_API binary_op_type get_binary_op(int opcode);
void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC);
void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC);
void zend_do_do_while_begin(TSRMLS_D);
void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC);
void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC);
void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC);
void zend_do_if_end(TSRMLS_D);
void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC);
void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC);
void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC);
void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
void zend_do_begin_variable_parse(TSRMLS_D);
void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC);
void zend_check_writable_variable(const znode *variable);
void zend_do_free(znode *op1 TSRMLS_DC);
void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC);
void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier);
void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC);
void zend_do_end_function_declaration(const znode *function_token TSRMLS_DC);
void zend_do_receive_arg(zend_uchar op, znode *varname, const znode *offset, const znode *initialization, znode *class_type, zend_bool pass_by_reference TSRMLS_DC);
int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC);
void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC);
void zend_do_clone(znode *result, const znode *expr TSRMLS_DC);
void zend_do_begin_dynamic_function_call(znode *function_name, int prefix_len TSRMLS_DC);
void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC);
void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC);
int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC);
void zend_do_end_function_call(znode *function_name, znode *result, const znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC);
void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC);
void zend_do_yield(znode *result, znode *value, const znode *key, zend_bool is_variable TSRMLS_DC);
void zend_do_handle_exception(TSRMLS_D);
void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference, int is_static TSRMLS_DC);
void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC);
void zend_do_try(znode *try_token TSRMLS_DC);
void zend_do_begin_catch(znode *try_token, znode *catch_class, znode *catch_var, znode *first_catch TSRMLS_DC);
void zend_do_bind_catch(znode *try_token, znode *catch_token TSRMLS_DC);
void zend_do_end_catch(znode *catch_token TSRMLS_DC);
void zend_do_finally(znode *finally_token TSRMLS_DC);
void zend_do_end_finally(znode *try_token, znode* catch_token, znode *finally_token TSRMLS_DC);
void zend_do_throw(const znode *expr TSRMLS_DC);
ZEND_API int do_bind_function(const zend_op_array *op_array, zend_op *opline, HashTable *function_table, zend_bool compile_time);
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);
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);
ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC);
ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
void zend_do_implements_interface(znode *interface_znode TSRMLS_DC);
/* Trait related functions */
void zend_do_use_trait(znode *trait_znode TSRMLS_DC);
void zend_prepare_reference(znode *result, znode *class_name, znode *method_name TSRMLS_DC);
void zend_add_trait_precedence(znode *method_reference, znode *trait_list TSRMLS_DC);
void zend_add_trait_alias(znode *method_reference, znode *modifiers, znode *alias TSRMLS_DC);
ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC);
ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC);
ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
void zend_do_early_binding(TSRMLS_D);
ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC);
void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC);
void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC);
void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC);
void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC);
void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC);
void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC);
void zend_do_switch_cond(const znode *cond TSRMLS_DC);
void zend_do_switch_end(const znode *case_list TSRMLS_DC);
void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC);
void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC);
void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC);
void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC);
void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC);
void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC);
void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC);
void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC);
void zend_do_halt_compiler_register(TSRMLS_D);
void zend_do_push_object(const znode *object TSRMLS_DC);
void zend_do_pop_object(znode *object TSRMLS_DC);
void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC);
void zend_do_end_new_object(znode *result, const znode *new_token, const znode *argument_list TSRMLS_DC);
void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC);
void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC);
void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
void zend_do_add_static_array_element(znode *result, znode *offset, const znode *expr);
void zend_do_list_init(TSRMLS_D);
void zend_do_list_end(znode *result, znode *expr TSRMLS_DC);
void zend_do_add_list_element(const znode *element TSRMLS_DC);
void zend_do_new_list_begin(TSRMLS_D);
void zend_do_new_list_end(TSRMLS_D);
/* Functions for a null terminated pointer list, used for traits parsing and compilation */
void zend_init_list(void *result, void *item TSRMLS_DC);
void zend_add_to_list(void *result, void *item TSRMLS_DC);
void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC);
void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC);
void zend_do_unset(const znode *variable TSRMLS_DC);
void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC);
void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC);
void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC);
void zend_do_foreach_cont(znode *foreach_token, const znode *open_brackets_token, const znode *as_token, znode *value, znode *key TSRMLS_DC);
void zend_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC);
void zend_do_declare_begin(TSRMLS_D);
void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC);
void zend_do_declare_end(const znode *declare_token TSRMLS_DC);
void zend_do_exit(znode *result, const znode *message TSRMLS_DC);
void zend_do_begin_silence(znode *strudel_token TSRMLS_DC);
void zend_do_end_silence(const znode *strudel_token TSRMLS_DC);
void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC);
void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC);
void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC);
void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC);
void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC);
void zend_do_extended_info(TSRMLS_D);
void zend_do_extended_fcall_begin(TSRMLS_D);
void zend_do_extended_fcall_end(TSRMLS_D);
void zend_do_ticks(TSRMLS_D);
void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC);
void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC);
void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC);
void zend_do_begin_namespace(const znode *name, zend_bool with_brackets TSRMLS_DC);
void zend_do_end_namespace(TSRMLS_D);
void zend_verify_namespace(TSRMLS_D);
void zend_do_use(znode *name, znode *new_name TSRMLS_DC);
void zend_do_end_compilation(TSRMLS_D);
void zend_do_resolve_class_name(znode *result, znode *class_name, int is_static TSRMLS_DC);
void zend_do_label(znode *label TSRMLS_DC);
void zend_do_goto(const znode *label TSRMLS_DC);
void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC);
void zend_release_labels(int temporary TSRMLS_DC);
ZEND_API void function_add_ref(zend_function *function);
#define INITIAL_OP_ARRAY_SIZE 64
#define INITIAL_INTERACTIVE_OP_ARRAY_SIZE 8192
/* helper functions in zend_language_scanner.l */
ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC);
ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC);
ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC);
ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...);
ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC);
ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC);
ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC);
ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC);
ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC);
ZEND_API int zend_cleanup_user_class_data(zend_class_entry **pce TSRMLS_DC);
ZEND_API void zend_cleanup_internal_class_data(zend_class_entry *ce TSRMLS_DC);
ZEND_API void zend_cleanup_internal_classes(TSRMLS_D);
ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC);
ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC);
ZEND_API int clean_non_persistent_function_full(zend_function *function TSRMLS_DC);
ZEND_API int clean_non_persistent_class_full(zend_class_entry **ce TSRMLS_DC);
ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC);
ZEND_API void zend_function_dtor(zend_function *function);
ZEND_API void destroy_zend_class(zend_class_entry **pce);
void zend_class_add_ref(zend_class_entry **ce);
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);
#define zend_unmangle_property_name(mangled_property, mangled_property_len, class_name, prop_name) \
zend_unmangle_property_name_ex(mangled_property, mangled_property_len, class_name, prop_name, NULL)
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);
#define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor
#define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class
zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC);
void init_op(zend_op *op TSRMLS_DC);
int get_next_op_number(zend_op_array *op_array);
int print_class(zend_class_entry *class_entry TSRMLS_DC);
void print_op_array(zend_op_array *op_array, int optimizations);
ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC);
zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array);
void zend_do_first_catch(znode *open_parentheses TSRMLS_DC);
void zend_initialize_try_catch_element(znode *catch_token TSRMLS_DC);
void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC);
ZEND_API zend_bool zend_is_compiling(TSRMLS_D);
ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC);
ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC);
int zend_get_class_fetch_type(const char *class_name, uint class_name_len);
typedef zend_bool (*zend_auto_global_callback)(const char *name, uint name_len TSRMLS_DC);
typedef struct _zend_auto_global {
const char *name;
uint name_len;
zend_auto_global_callback auto_global_callback;
zend_bool jit;
zend_bool armed;
} zend_auto_global;
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);
ZEND_API void zend_activate_auto_globals(TSRMLS_D);
ZEND_API zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC);
ZEND_API zend_bool zend_is_auto_global_quick(const char *name, uint name_len, ulong hashval TSRMLS_DC);
ZEND_API size_t zend_dirname(char *path, size_t len);
int zendlex(znode *zendlval TSRMLS_DC);
int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC);
/* BEGIN: OPCODES */
#include "zend_vm_opcodes.h"
#define ZEND_OP_DATA 137
/* END: OPCODES */
/* class fetches */
#define ZEND_FETCH_CLASS_DEFAULT 0
#define ZEND_FETCH_CLASS_SELF 1
#define ZEND_FETCH_CLASS_PARENT 2
#define ZEND_FETCH_CLASS_MAIN 3
#define ZEND_FETCH_CLASS_GLOBAL 4
#define ZEND_FETCH_CLASS_AUTO 5
#define ZEND_FETCH_CLASS_INTERFACE 6
#define ZEND_FETCH_CLASS_STATIC 7
#define ZEND_FETCH_CLASS_TRAIT 14
#define ZEND_FETCH_CLASS_MASK 0x0f
#define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80
#define ZEND_FETCH_CLASS_SILENT 0x0100
/* variable parsing type (compile-time) */
#define ZEND_PARSED_MEMBER (1<<0)
#define ZEND_PARSED_METHOD_CALL (1<<1)
#define ZEND_PARSED_STATIC_MEMBER (1<<2)
#define ZEND_PARSED_FUNCTION_CALL (1<<3)
#define ZEND_PARSED_VARIABLE (1<<4)
#define ZEND_PARSED_REFERENCE_VARIABLE (1<<5)
#define ZEND_PARSED_NEW (1<<6)
#define ZEND_PARSED_LIST_EXPR (1<<7)
/* unset types */
#define ZEND_UNSET_REG 0
/* var status for backpatching */
#define BP_VAR_R 0
#define BP_VAR_W 1
#define BP_VAR_RW 2
#define BP_VAR_IS 3
#define BP_VAR_NA 4 /* if not applicable */
#define BP_VAR_FUNC_ARG 5
#define BP_VAR_UNSET 6
#define ZEND_INTERNAL_FUNCTION 1
#define ZEND_USER_FUNCTION 2
#define ZEND_OVERLOADED_FUNCTION 3
#define ZEND_EVAL_CODE 4
#define ZEND_OVERLOADED_FUNCTION_TEMPORARY 5
#define ZEND_INTERNAL_CLASS 1
#define ZEND_USER_CLASS 2
#define ZEND_EVAL (1<<0)
#define ZEND_INCLUDE (1<<1)
#define ZEND_INCLUDE_ONCE (1<<2)
#define ZEND_REQUIRE (1<<3)
#define ZEND_REQUIRE_ONCE (1<<4)
#define ZEND_CT (1<<0)
#define ZEND_RT (1<<1)
/* global/local fetches */
#define ZEND_FETCH_GLOBAL 0x00000000
#define ZEND_FETCH_LOCAL 0x10000000
#define ZEND_FETCH_STATIC 0x20000000
#define ZEND_FETCH_STATIC_MEMBER 0x30000000
#define ZEND_FETCH_GLOBAL_LOCK 0x40000000
#define ZEND_FETCH_LEXICAL 0x50000000
#define ZEND_FETCH_TYPE_MASK 0x70000000
#define ZEND_FETCH_STANDARD 0x00000000
#define ZEND_FETCH_ADD_LOCK 0x08000000
#define ZEND_FETCH_MAKE_REF 0x04000000
#define ZEND_ISSET 0x02000000
#define ZEND_ISEMPTY 0x01000000
#define ZEND_ISSET_ISEMPTY_MASK (ZEND_ISSET | ZEND_ISEMPTY)
#define ZEND_QUICK_SET 0x00800000
#define ZEND_FETCH_ARG_MASK 0x000fffff
#define ZEND_FE_FETCH_BYREF 1
#define ZEND_FE_FETCH_WITH_KEY 2
#define ZEND_FE_RESET_VARIABLE (1<<0)
#define ZEND_FE_RESET_REFERENCE (1<<1)
#define EXT_TYPE_FREE_ON_RETURN (1<<2)
#define ZEND_MEMBER_FUNC_CALL 1<<0
#define ZEND_ARG_SEND_BY_REF (1<<0)
#define ZEND_ARG_COMPILE_TIME_BOUND (1<<1)
#define ZEND_ARG_SEND_FUNCTION (1<<2)
#define ZEND_ARG_SEND_SILENT (1<<3)
#define ZEND_SEND_BY_VAL 0
#define ZEND_SEND_BY_REF 1
#define ZEND_SEND_PREFER_REF 2
#define CHECK_ARG_SEND_TYPE(zf, arg_num, m1, m2) \
((zf) && \
((((zend_function*)(zf))->common.arg_info && \
arg_num <= ((zend_function*)(zf))->common.num_args) ? \
(((zend_function *)(zf))->common.arg_info[arg_num-1].pass_by_reference & (m1)) : \
(((zend_function *)(zf))->common.fn_flags & (m2))))
#define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \
CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF, ZEND_ACC_PASS_REST_BY_REFERENCE)
#define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF, ZEND_ACC_PASS_REST_BY_REFERENCE|ZEND_ACC_PASS_REST_PREFER_REF)
#define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_PREFER_REF, ZEND_ACC_PASS_REST_PREFER_REF)
#define ZEND_RETURN_VAL 0
#define ZEND_RETURN_REF 1
#define ZEND_RETURNS_FUNCTION 1<<0
#define ZEND_RETURNS_NEW 1<<1
#define ZEND_FAST_RET_TO_CATCH 1
#define ZEND_FAST_RET_TO_FINALLY 2
#define ZEND_FAST_CALL_FROM_CATCH 1
#define ZEND_FAST_CALL_FROM_FINALLY 2
END_EXTERN_C()
#define ZEND_CLONE_FUNC_NAME "__clone"
#define ZEND_CONSTRUCTOR_FUNC_NAME "__construct"
#define ZEND_DESTRUCTOR_FUNC_NAME "__destruct"
#define ZEND_GET_FUNC_NAME "__get"
#define ZEND_SET_FUNC_NAME "__set"
#define ZEND_UNSET_FUNC_NAME "__unset"
#define ZEND_ISSET_FUNC_NAME "__isset"
#define ZEND_CALL_FUNC_NAME "__call"
#define ZEND_CALLSTATIC_FUNC_NAME "__callstatic"
#define ZEND_TOSTRING_FUNC_NAME "__tostring"
#define ZEND_AUTOLOAD_FUNC_NAME "__autoload"
#define ZEND_INVOKE_FUNC_NAME "__invoke"
/* The following constants may be combined in CG(compiler_options)
* to change the default compiler behavior */
/* generate extended debug information */
#define ZEND_COMPILE_EXTENDED_INFO (1<<0)
/* call op_array handler of extendions */
#define ZEND_COMPILE_HANDLE_OP_ARRAY (1<<1)
/* generate ZEND_DO_FCALL_BY_NAME for internal functions instead of ZEND_DO_FCALL */
#define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<2)
/* don't perform early binding for classes inherited form internal ones;
* in namespaces assume that internal class that doesn't exist at compile-time
* may apper in run-time */
#define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES (1<<3)
/* generate ZEND_DECLARE_INHERITED_CLASS_DELAYED opcode to delay early binding */
#define ZEND_COMPILE_DELAYED_BINDING (1<<4)
/* disable constant substitution at compile-time */
#define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION (1<<5)
/* The default value for CG(compiler_options) */
#define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY
/* The default value for CG(compiler_options) during eval() */
#define ZEND_COMPILE_DEFAULT_FOR_EVAL 0
#endif /* ZEND_COMPILE_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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