text: /*
     +----------------------------------------------------------------------+
     | 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 "zend_globals_macros.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"
  
  /* 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
  
  
  #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;
  
  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 */
  	zend_uchar 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;
  	int memoize_mode;
  
  	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;
  
  	zend_stack short_circuiting_opnums;
  };
  
  
  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_long precision;
  
  	int ticks_count;
  
  	uint32_t persistent_constants_count;
  	uint32_t persistent_functions_count;
  	uint32_t persistent_classes_count;
  
  	HashTable *in_autoload;
  	bool full_tables_cleanup;
  
  	/* for extended information support */
  	bool no_extensions;
  
  	bool vm_interrupt;
  	bool timed_out;
  	zend_long hard_timeout;
  
  #ifdef ZEND_WIN32
  	OSVERSIONINFOEX windows_version_info;
  #endif
  
  	HashTable regular_list;
  	HashTable persistent_list;
  
  	int user_error_handler_error_reporting;
  	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_error_handling_t  error_handling;
  	zend_class_entry      *exception_class;
  
  	/* timeout support */
  	zend_long timeout_seconds;
  
  	int capture_warnings_during_sccp;
  
  	HashTable *ini_directives;
  	HashTable *modified_ini_directives;
  	zend_ini_entry *error_reporting_ini_entry;
  
  	zend_objects_store 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;
  	zend_uchar 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;
  
  	bool exception_ignore_args;
  	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. */
  	zend_long 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;
  
  	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;
  	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_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 */
  