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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 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@php.net> |
| Zeev Suraski <zeev@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_GLOBALS_H
#define ZEND_GLOBALS_H
#include <setjmp.h>
#include <stdint.h>
#include <sys/types.h>
#include "zend_globals_macros.h"
#include "zend_atomic.h"
#include "zend_stack.h"
#include "zend_ptr_stack.h"
#include "zend_hash.h"
#include "zend_llist.h"
#include "zend_objects.h"
#include "zend_objects_API.h"
#include "zend_modules.h"
#include "zend_float.h"
#include "zend_multibyte.h"
#include "zend_multiply.h"
#include "zend_arena.h"
#include "zend_call_stack.h"
#include "zend_max_execution_timer.h"
#include "zend_strtod.h"
#include "zend_lazy_objects.h"
/* Define ZTS if you want a thread-safe Zend */
/*#undef ZTS*/
#ifdef ZTS
BEGIN_EXTERN_C()
ZEND_API extern int compiler_globals_id;
ZEND_API extern int executor_globals_id;
ZEND_API extern size_t compiler_globals_offset;
ZEND_API extern size_t executor_globals_offset;
END_EXTERN_C()
#endif
#define SYMTABLE_CACHE_SIZE 32
#ifdef ZEND_CHECK_STACK_LIMIT
# define ZEND_MAX_ALLOWED_STACK_SIZE_UNCHECKED -1
# define ZEND_MAX_ALLOWED_STACK_SIZE_DETECT 0
#endif
#include "zend_compile.h"
/* excpt.h on Digital Unix 4.0 defines function_table */
#undef function_table
typedef struct _zend_vm_stack *zend_vm_stack;
typedef struct _zend_ini_entry zend_ini_entry;
typedef struct _zend_fiber_context zend_fiber_context;
typedef struct _zend_fiber zend_fiber;
typedef enum {
ZEND_MEMOIZE_NONE,
ZEND_MEMOIZE_COMPILE,
ZEND_MEMOIZE_FETCH,
} zend_memoize_mode;
struct _zend_compiler_globals {
zend_stack loop_var_stack;
zend_class_entry *active_class_entry;
zend_string *compiled_filename;
int zend_lineno;
zend_op_array *active_op_array;
HashTable *function_table; /* function symbol table */
HashTable *class_table; /* class table */
HashTable *auto_globals;
/* Refer to zend_yytnamerr() in zend_language_parser.y for meaning of values */
uint8_t parse_error;
bool in_compilation;
bool short_tags;
bool unclean_shutdown;
bool ini_parser_unbuffered_errors;
zend_llist open_files;
struct _zend_ini_parser_param *ini_parser_param;
bool skip_shebang;
bool increment_lineno;
bool variable_width_locale; /* UTF-8, Shift-JIS, Big5, ISO 2022, EUC, etc */
bool ascii_compatible_locale; /* locale uses ASCII characters as singletons */
/* and don't use them as lead/trail units */
zend_string *doc_comment;
uint32_t extra_fn_flags;
uint32_t compiler_options; /* set of ZEND_COMPILE_* constants */
zend_oparray_context context;
zend_file_context file_context;
zend_arena *arena;
HashTable interned_strings;
const zend_encoding **script_encoding_list;
size_t script_encoding_list_size;
bool multibyte;
bool detect_unicode;
bool encoding_declared;
zend_ast *ast;
zend_arena *ast_arena;
zend_stack delayed_oplines_stack;
HashTable *memoized_exprs;
zend_memoize_mode memoize_mode;
void *map_ptr_real_base;
void *map_ptr_base;
size_t map_ptr_size;
size_t map_ptr_last;
HashTable *delayed_variance_obligations;
HashTable *delayed_autoloads;
HashTable *unlinked_uses;
zend_class_entry *current_linking_class;
uint32_t rtd_key_counter;
void *internal_run_time_cache;
uint32_t internal_run_time_cache_size;
zend_stack short_circuiting_opnums;
#ifdef ZTS
uint32_t copied_functions_count;
#endif
};
struct _zend_executor_globals {
zval uninitialized_zval;
zval error_zval;
/* symbol table cache */
zend_array *symtable_cache[SYMTABLE_CACHE_SIZE];
/* Pointer to one past the end of the symtable_cache */
zend_array **symtable_cache_limit;
/* Pointer to first unused symtable_cache slot */
zend_array **symtable_cache_ptr;
zend_array symbol_table; /* main symbol table */
HashTable included_files; /* files already included */
JMP_BUF *bailout;
int error_reporting;
int exit_status;
HashTable *function_table; /* function symbol table */
HashTable *class_table; /* class table */
HashTable *zend_constants; /* constants table */
zval *vm_stack_top;
zval *vm_stack_end;
zend_vm_stack vm_stack;
size_t vm_stack_page_size;
struct _zend_execute_data *current_execute_data;
zend_class_entry *fake_scope; /* used to avoid checks accessing properties */
uint32_t jit_trace_num; /* Used by tracing JIT to reference the currently running trace */
zend_execute_data *current_observed_frame;
int ticks_count;
zend_long precision;
uint32_t persistent_constants_count;
uint32_t persistent_functions_count;
uint32_t persistent_classes_count;
/* for extended information support */
bool no_extensions;
bool full_tables_cleanup;
zend_atomic_bool vm_interrupt;
zend_atomic_bool timed_out;
HashTable *in_autoload;
zend_long hard_timeout;
void *stack_base;
void *stack_limit;
#ifdef ZEND_WIN32
OSVERSIONINFOEX windows_version_info;
#endif
HashTable regular_list;
HashTable persistent_list;
int user_error_handler_error_reporting;
bool exception_ignore_args;
zval user_error_handler;
zval user_exception_handler;
zend_stack user_error_handlers_error_reporting;
zend_stack user_error_handlers;
zend_stack user_exception_handlers;
zend_class_entry *exception_class;
zend_error_handling_t error_handling;
int capture_warnings_during_sccp;
/* timeout support */
zend_long timeout_seconds;
HashTable *ini_directives;
HashTable *modified_ini_directives;
zend_ini_entry *error_reporting_ini_entry;
zend_objects_store objects_store;
zend_lazy_objects_store lazy_objects_store;
zend_object *exception, *prev_exception;
const zend_op *opline_before_exception;
zend_op exception_op[3];
struct _zend_module_entry *current_module;
bool active;
uint8_t flags;
zend_long assertions;
uint32_t ht_iterators_count; /* number of allocated slots */
uint32_t ht_iterators_used; /* number of used slots */
HashTableIterator *ht_iterators;
HashTableIterator ht_iterators_slots[16];
void *saved_fpu_cw_ptr;
#if XPFPA_HAVE_CW
XPFPA_CW_DATATYPE saved_fpu_cw;
#endif
zend_function trampoline;
zend_op call_trampoline_op;
HashTable weakrefs;
zend_long exception_string_param_max_len;
zend_get_gc_buffer get_gc_buffer;
zend_fiber_context *main_fiber_context;
zend_fiber_context *current_fiber_context;
/* Active instance of Fiber. */
zend_fiber *active_fiber;
/* Default fiber C stack size. */
size_t fiber_stack_size;
/* If record_errors is enabled, all emitted diagnostics will be recorded,
* in addition to being processed as usual. */
bool record_errors;
uint32_t num_errors;
zend_error_info **errors;
/* Override filename or line number of thrown errors and exceptions */
zend_string *filename_override;
zend_long lineno_override;
#ifdef ZEND_CHECK_STACK_LIMIT
zend_call_stack call_stack;
zend_long max_allowed_stack_size;
zend_ulong reserved_stack_size;
#endif
#ifdef ZEND_MAX_EXECUTION_TIMERS
timer_t max_execution_timer_timer;
pid_t pid;
struct sigaction oldact;
#endif
zend_strtod_state strtod_state;
void *reserved[ZEND_MAX_RESERVED_RESOURCES];
};
#define EG_FLAGS_INITIAL (0)
#define EG_FLAGS_IN_SHUTDOWN (1<<0)
#define EG_FLAGS_OBJECT_STORE_NO_REUSE (1<<1)
#define EG_FLAGS_IN_RESOURCE_SHUTDOWN (1<<2)
struct _zend_ini_scanner_globals {
zend_file_handle *yy_in;
zend_file_handle *yy_out;
unsigned int yy_leng;
const unsigned char *yy_start;
const unsigned char *yy_text;
const unsigned char *yy_cursor;
const unsigned char *yy_marker;
const unsigned char *yy_limit;
int yy_state;
zend_stack state_stack;
zend_string *filename;
int lineno;
/* Modes are: ZEND_INI_SCANNER_NORMAL, ZEND_INI_SCANNER_RAW, ZEND_INI_SCANNER_TYPED */
int scanner_mode;
};
typedef enum {
ON_TOKEN,
ON_FEEDBACK,
ON_STOP
} zend_php_scanner_event;
struct _zend_php_scanner_globals {
zend_file_handle *yy_in;
zend_file_handle *yy_out;
unsigned int yy_leng;
unsigned char *yy_start;
unsigned char *yy_text;
unsigned char *yy_cursor;
unsigned char *yy_marker;
unsigned char *yy_limit;
int yy_state;
zend_stack state_stack;
zend_ptr_stack heredoc_label_stack;
zend_stack nest_location_stack; /* for syntax error reporting */
bool heredoc_scan_ahead;
int heredoc_indentation;
bool heredoc_indentation_uses_spaces;
/* original (unfiltered) script */
unsigned char *script_org;
size_t script_org_size;
/* filtered script */
unsigned char *script_filtered;
size_t script_filtered_size;
/* input/output filters */
zend_encoding_filter input_filter;
zend_encoding_filter output_filter;
const zend_encoding *script_encoding;
/* initial string length after scanning to first variable */
int scanned_string_len;
/* hooks */
void (*on_event)(
zend_php_scanner_event event, int token, int line,
const char *text, size_t length, void *context);
void *on_event_context;
};
#endif /* ZEND_GLOBALS_H */
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