/*************************************************************************** gbc_class.h (c) 2000-2017 Benoît Minisini This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ***************************************************************************/ #ifndef __GBC_CLASS_H #define __GBC_CLASS_H #include "gbc_type.h" #include "gb_table.h" #include "gbc_trans.h" #define FUNC_INIT_STATIC 0 #define FUNC_INIT_DYNAMIC 1 typedef struct { TYPE type; int value; int line; } PACKED CLASS_SYMBOL_INFO; typedef struct { SYMBOL symbol; CLASS_SYMBOL_INFO global; CLASS_SYMBOL_INFO local; int class; int unknown; unsigned global_used : 1; unsigned global_assigned : 1; unsigned local_used : 1; unsigned local_assigned : 1; unsigned _reserved : 28; } PACKED CLASS_SYMBOL; typedef TRANS_PARAM PARAM; typedef struct { TYPE type; int index; int pos; int size; } VARIABLE; typedef struct { int num; int param; } VARIABLE_INIT; typedef struct { TYPE type; int index; int value; int line; int64_t lvalue; } CONSTANT; typedef struct { TYPE type; // Return value datatype int name; // Function name index in class symbol table char nparam; // Maximum number of arguments char npmin; // Minimum number of arguments unsigned vararg : 1; // If this function accepts extra arguments unsigned fast : 1; // If this function is jit compiled unsigned unsafe : 1; // If this function is unsafe unsigned use_is_missing : 1; // If this function uses IsMissing() unsigned _reserved : 12; short nlocal; // Local variable count short nctrl; // Control structure variable count uint64_t byref; // Byref mask PARAM *local; // Datatypes of local variables PARAM *param; // Datatypes of arguments PATTERN *start; // Starts compilation from there int line; // ...which is this line short stack; // Needed stack short _reserved2; ushort *code; // Compile bytecode short *pos_line; // Bytecode position of each code line ushort ncode; // Number of instructions ushort ncode_max; // Size of the bytecode allocation ushort last_code; // Last compiled bytecode position ushort last_code2; // Last last compiled bytecode position ushort finally; // FINALLY position ushort catch; // CATCH position } PACKED FUNCTION; typedef struct { TYPE type; // Return value datatype int name; // Function name index in class symbol table PARAM *param; // Argument list short nparam; // Number of arguments short _reserved; } PACKED EVENT; typedef struct { TYPE type; // Return value datatype int name; // Function name index in class symbol table PARAM *param; // Argument list short nparam; // Number of arguments unsigned vararg : 1; // Variable number of arguments unsigned _reserved : 15; int library; // Library name index int alias; // Real function name index } PACKED EXTFUNC; typedef struct { TYPE type; // Property datatype int name; // Property name index int line; // The line where the property is declared int comment; // Property string description, added to datatype int synonymous; // Synonymous property index (-1 if not a synonymous) int use; // Associated global private variable short read; // Read function short write; // Write function } PACKED PROPERTY; typedef struct { TYPE type; // Array datatype int ndim; // Number of dimensions int dim[MAX_ARRAY_DIM]; // Dimensions bounds } CLASS_ARRAY; typedef struct { int index; // Structure name int nfield; // Number of structure fields VARIABLE *field; // Structure fields } CLASS_STRUCT; typedef struct { int index; // class name unsigned used : 1; unsigned exported : 1; unsigned structure : 1; unsigned has_static : 1; unsigned is_collection : 1; // if the class is Collection (for JIT) unsigned _reserved : 20; TYPE type; // if the class is an array, the type of the array contents (for JIT) } CLASS_REF; typedef struct { TABLE *table; // symbol table TABLE *string; // strings table char *name; // class name short parent; // parent class unsigned exported : 1; // class is exported unsigned autocreate : 1; // class is auto-creatable unsigned optional : 1; // class is optional unsigned nocreate : 1; // class cannot be instantiated unsigned all_fast : 1; // all methods have the Fast option (JIT) unsigned all_unsafe : 1; // all methods are unsafe unsigned has_static : 1; // has static methods, properties or variables unsigned has_fast : 1; // has at least one fast method unsigned _reserved : 8; VARIABLE *stat; // static variables VARIABLE *dyn; // dynamic variables CONSTANT *constant; // constants CLASS_REF *class; // classes int *unknown; // unknown symbols FUNCTION *function; // functions int size_stat; // static variables total size int size_dyn; // dynamic variables total size EVENT *event; // events PROPERTY *prop; // properties EXTFUNC *ext_func; // extern functions CLASS_ARRAY *array; // array definitions CLASS_STRUCT *structure; // structs definitions char **names; // when some symbols must be created like object arrays } CLASS; #define CLASS_get_symbol(class, ind) ((CLASS_SYMBOL *)TABLE_get_symbol((class)->table, ind)) #define FUNCTION_is_procedure(func) (TYPE_get_id((func)->type) == T_VOID) #define FUNCTION_is_static(func) (TYPE_is_static((func)->type)) void CLASS_create(CLASS **result); void CLASS_delete(CLASS **class); CLASS_SYMBOL *CLASS_declare(CLASS *class, int index, int type, bool global); void CLASS_check_unused_global(CLASS *class); void CLASS_begin_init_function(CLASS *class, int type); void CLASS_add_function(CLASS *class, TRANS_FUNC *decl); void CLASS_add_event(CLASS *class, TRANS_EVENT *decl); void CLASS_add_property(CLASS *class, TRANS_PROPERTY *prop); void CLASS_add_extern(CLASS *class, TRANS_EXTERN *decl); void CLASS_add_declaration(CLASS *class, TRANS_DECL *decl); int CLASS_add_constant(CLASS *class, TRANS_DECL *decl); int CLASS_add_class(CLASS *class, int index); int CLASS_add_class_unused(CLASS *class, int index); int CLASS_add_class_exported(CLASS *class, int index); int CLASS_add_class_exported_unused(CLASS *class, int index); bool CLASS_exist_class(CLASS *class, int index); int CLASS_add_unknown(CLASS *class, int index); int CLASS_add_array(CLASS *class, TRANS_ARRAY *array); int CLASS_get_array_class(CLASS *class, int type, int value); void FUNCTION_add_last_pos_line(void); void FUNCTION_add_all_pos_line(void); char *FUNCTION_get_fake_name(int func); int CLASS_add_symbol(CLASS *class, const char *name); void CLASS_sort_declaration(CLASS *class); void CLASS_check_properties(CLASS *class); CLASS_SYMBOL *CLASS_get_local_symbol(int local); char *TYPE_get_desc(TYPE type); // gbc_dump.c void CLASS_dump(void); void CLASS_export(void); #endif