PHP7 CG _zend_compiler_globals

• 利用CE宏全局能夠訪問_zend_compiler_globals中的變量

/* Compiler */
//zend_globals_macros.h#L30
#ifdef ZTS
# define CG(v) ZEND_TSRMG_FAST(compiler_globals_offset, zend_compiler_globals *, v)
#else
# define CG(v) (compiler_globals.v)
extern ZEND_API struct _zend_compiler_globals compiler_globals;
#endif


//zend_globals.h#L66

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 filenames_table;

	HashTable *auto_globals;

	zend_bool parse_error;
	zend_bool in_compilation;
	zend_bool short_tags;

	zend_bool unclean_shutdown;

	zend_bool ini_parser_unbuffered_errors;

	zend_llist open_files;

	struct _zend_ini_parser_param *ini_parser_param;

	uint32_t start_lineno;
	zend_bool increment_lineno;

	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;
	zend_bool multibyte;
	zend_bool detect_unicode;
	zend_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;
};