/* The following symbols must be declared with EXPORT in a component:
- GB
- GB_INIT()
- GB_EXIT()
- GB_CLASSES
- The component interface if present
*/
/* Auto creatable class macro */
#define GB_AUTO_CREATABLE() { GB_AUTO_CREATABLE_ID }
/* Symbol description prefixes */
#define GB_PROPERTY_ID 'p'
#define GB_METHOD_ID 'm'
#define GB_CONSTANT_ID 'C'
#define GB_EVENT_ID ':'
#define GB_ENUM_ID '#'
#define GB_STATIC_PROPERTY_ID 'P'
#define GB_STATIC_METHOD_ID 'M'
/* Symbol description macros */
#define GB_STATIC_FAST_METHOD(symbol, type, exec, signature) \
{ "M!" symbol, (intptr_t)type, (intptr_t)exec, (intptr_t)signature }
#define GB_INTERFACE(symbol, pointer) \
{ "C_@" symbol, (intptr_t)"p", (intptr_t)pointer }
/* Macro used for calling a parameter-less implementation method */
#define CALL_METHOD_VOID(_name) _name(_object, NULL)
/* Macros to get the value of an argument or a property */
#define VALUE(_arg) ((_arg)->value)
#define VARG(_p) VALUE(ARG(_p))
#define VPROP(_p) VALUE(PROP(_p))
/* Macros to get a string argument */
#define STRING(_arg) (VARG(_arg).addr + VARG(_arg).start)
#define LENGTH(_arg) (VARG(_arg).len)
/* Macros to get a string property */
#define PSTRING() (VPROP(GB_STRING).addr + VPROP(GB_STRING).start)
#define PLENGTH() (VPROP(GB_STRING).len)
/* Macro to get an optional argument */
#define VARGOPT(_arg, _default) (MISSING(_arg) ? (_default) : VARG(_arg))
/* Casting macro. Usable only in an implementation function */
#define OBJECT(type) ((type *)_object)
/* Macro for returning itself. Usable only in an implementation function */
#define RETURN_SELF() GB.ReturnSelf(_object)
/* Macro for declaring a variable used for storing an event identifier */
#define DECLARE_EVENT(_event) static int _event
/* Macro to help accessing enumeration index. Use only in an enumeration method implementation */
#define ENUM(_type) (*((_type *)GB.GetEnum()))
/* Structure used for describing a class */
typedef
struct {
const char *name;
intptr_t val1;
intptr_t val2;
intptr_t val3;
intptr_t val4;
intptr_t val5;
}
GB_DESC;
/* Type of a method implementation function */
typedef
void GB_METHOD_FUNC(void *, void *);
/* Type of a property implementation function */
typedef
void GB_PROPERTY_FUNC(void *, void *);
/* Macro for declaring a method implementation function */
#define DECLARE_METHOD(_method) GB_METHOD_FUNC _method
/* Macro for declaring a property implementation function */
#define DECLARE_PROPERTY(_property) GB_PROPERTY_FUNC _property
/* Constants used with the GB.Hook() API function */
#define GB_HOOK_MAX 10
#define GB_HOOK_MAIN 1
#define GB_HOOK_LOOP 2
#define GB_HOOK_WAIT 3
#define GB_HOOK_TIMER 4
#define GB_HOOK_LANG 5
#define GB_HOOK_WATCH 6
#define GB_HOOK_POST 7
#define GB_HOOK_QUIT 8
#define GB_HOOK_ERROR 9
#define GB_HOOK_TIMEOUT 10
/* Constants that represent interpreter signals catched by GB_SIGNAL function */
#define GB_SIGNAL_DEBUG_BREAK 1
#define GB_SIGNAL_DEBUG_CONTINUE 2
#define GB_SIGNAL_DEBUG_FORWARD 3
/* Constants used with the GB.Watch() API function */
#define GB_WATCH_NONE 0
#define GB_WATCH_READ 1
#define GB_WATCH_WRITE 2
/* Type of a generic callback */
typedef
void (*GB_CALLBACK)();
/* Type of a watch callback function */
typedef
void (*GB_WATCH_CALLBACK)(int, int, intptr_t);
/* Type of the GB.SubstString() callback */
typedef
void (*GB_SUBST_CALLBACK)(int, char **, int *);
/* Type of the GB.SubstStringAdd() callback */
typedef
void (*GB_SUBST_ADD_CALLBACK)(int);
/* Type of the GB.BrowseProject() callback */
typedef
void (*GB_BROWSE_CALLBACK)(const char *, int64_t);
/* Type of a timer callback */
typedef
int (*GB_TIMER_CALLBACK)(intptr_t);
/* Type of a posted function */
typedef
void (*GB_POST_FUNC)();
/* A structure for the components of a date */
typedef
struct {
short year;
short month;
short day;
short hour;
short min;
short sec;
short weekday;
short msec;
}
GB_DATE_SERIAL;
/* Opaque type of a Gambas interpreted or native function */
typedef
struct {
void *object;
void *desc;
}
GB_FUNCTION;
#define GB_FUNCTION_IS_VALID(_func) ((_func)->desc)
/* Opaque type of a Gambas Array */
typedef
void *GB_ARRAY;
/* Opaque type of a Gambas Collection */
typedef
void *GB_COLLECTION;
/* Opaque type of a Gambas Collection iterator */
typedef
struct {
void *iter1;
void *iter2;
}
GB_COLLECTION_ITER;
/* opaque type of an hash table */
typedef
void *GB_HASHTABLE;
/* hash table enumeration function */
typedef
void (*GB_HASHTABLE_ENUM_FUNC)(void *);
/* opaque type for a Stream object */
struct GB_STREAM;
typedef
struct {
int (*open)(struct GB_STREAM *stream, const char *path, int mode, void *data);
int (*close)(struct GB_STREAM *stream);
int (*read)(struct GB_STREAM *stream, char *buffer, int len);
int (*getchar)(struct GB_STREAM *stream, char *buffer);
int (*write)(struct GB_STREAM *stream, char *buffer, int len);
int (*seek)(struct GB_STREAM *stream, int64_t pos, int whence);
int (*tell)(struct GB_STREAM *stream, int64_t *pos);
int (*flush)(struct GB_STREAM *stream);
int (*eof)(struct GB_STREAM *stream);
int (*lof)(struct GB_STREAM *stream, int64_t *len);
int (*handle)(struct GB_STREAM *stream);
}
GB_STREAM_DESC;
typedef
struct {
GB_STREAM_DESC *desc;
int64_t _reserved;
intptr_t _reserved2;
intptr_t _reserved3;
}
GB_STREAM_BASE;
typedef
struct GB_STREAM {
GB_STREAM_DESC *desc;
int64_t _reserved;
intptr_t _reserved2;
intptr_t _reserved3;
void *tag;
#if __WORDSIZE == 64
int _free[4];
#else
int _free[5];
#endif
GB_VARIANT_VALUE _reserved4;
}
GB_STREAM;
/* Constants used by the GB.NumberFromString() API function */
#define GB_NB_READ_INTEGER 1
#define GB_NB_READ_LONG 2
#define GB_NB_READ_INT_LONG 3
#define GB_NB_READ_FLOAT 4
#define GB_NB_READ_ALL 7
#define GB_NB_READ_HEX_BIN 8
#define GB_NB_LOCAL 16
/* Constants used by the GB.Collection.New() and GB.HashTable.New() API function */
#define GB_COMP_BINARY 0
#define GB_COMP_NOCASE 1
/* Constant used by GB.ConvString to convert to 32 bits Unicode (that needs some special processing) */
#define GB_SC_UNICODE ((char *)-1)
/* Opaque type for a SubCollection object */
typedef
void *GB_SUBCOLLECTION;
/* SubCollection description */
typedef
struct {
char *klass;
void *(*get)(void *, const char *);
int (*exist)(void *, const char *);
void (*list)(void *, char ***);
void (*release)(void *, void *);
}
GB_SUBCOLLECTION_DESC;
/* Timer object */
typedef
struct {
GB_BASE object;
intptr_t id;
intptr_t tag;
int delay;
GB_TIMER_CALLBACK callback;
}
GB_TIMER;
/* A macro for preventing gcc from warning about breaks in the
strict aliasing rules */
#define POINTER(_pointer) (void **)(void *)_pointer
/* Gambas Application Programming Interface */
typedef
struct {
intptr_t version;
bool (*GetInterface)(const char *, int, void *);
void *(*Hook)(int, void *);
bool (*LoadComponent)(const char *);
bool (*ExistComponent)(const char *);
char *(*CurrentComponent)(void);
bool (*GetComponentInfo)(const char *, void **);
void (*Push)(int, ...);
bool (*GetFunction)(GB_FUNCTION *, void *, const char *, const char *, const char *);
GB_VALUE *(*Call)(GB_FUNCTION *, int, int);
void *(*GetClassInterface)(GB_CLASS, const char *);
void (*GetProperty)(void *, const char *);
void (*SetProperty)(void *, const char *, ...);
bool (*Loop)(int);
void (*Post)(GB_CALLBACK, intptr_t);
void (*Post2)(GB_CALLBACK, intptr_t, intptr_t);
GB_TIMER *(*Every)(int, GB_TIMER_CALLBACK, intptr_t);
bool (*Raise)(void *, int, int, ...);
void (*RaiseLater)(void *, int);
void (*CheckPost)(void);
bool (*CanRaise)(void *, int);
int (*GetEvent)(GB_CLASS, const char *);
char *(*GetLastEventName)();
void (*RaiseTimer)(void *);
bool (*Stopped)(void);
void (*Signal)(int, void *);
int (*NParam)(void);
bool (*Conv)(GB_VALUE *, GB_TYPE);
char *(*GetUnknown)(void);
void (*Error)(const char *, ...);
void (*Propagate)(void);
GB_CLASS (*GetClass)(void *);
char *(*GetClassName)(void *);
bool (*ExistClass)(const char *);
GB_CLASS (*FindClass)(const char *);
bool (*ExistClassLocal)(const char *);
GB_CLASS (*FindClassLocal)(const char *);
bool (*Is)(void *, GB_CLASS);
void (*Ref)(void *);
void (*Unref)(void **);
void (*UnrefKeep)(void **, int);
void (*Detach)(void *);
void (*Attach)(void *, void *, const char *);
void *(*Parent)(void *);
void *(*New)(GB_CLASS, char *, void *);
void *(*AutoCreate)(GB_CLASS, int);
bool (*CheckObject)(void *);
void *(*GetEnum)();
void (*StopEnum)();
void (*ListEnum)(void *);
bool (*NextEnum)();
void (*StopAllEnum)(void *);
void (*Return)(GB_TYPE, ...);
void (*ReturnInteger)(int);
void (*ReturnLong)(int64_t);
void (*ReturnPointer)(void *);
void (*ReturnBoolean)(int);
void (*ReturnDate)(GB_DATE *);
void (*ReturnObject)(void *);
void (*ReturnNull)(void);
void (*ReturnFloat)(double);
void (*ReturnVariant)(GB_VARIANT_VALUE *);
void (*ReturnConvVariant)();
void (*ReturnPtr)(GB_TYPE, void *);
void (*ReturnSelf)(void *);
void (*ReturnString)(char *);
void (*ReturnVoidString)(void);
void (*ReturnConstString)(const char *, int);
void (*ReturnConstZeroString)(const char *);
void (*ReturnNewString)(const char *, int);
void (*ReturnNewZeroString)(const char *);
char *(*NewString)(const char *, int);
char *(*NewZeroString)(const char *);
char *(*TempString)(const char *, int);
void (*FreeString)(char **);
char *(*ExtendString)(char *, int);
char *(*AddString)(char *, const char *, int);
char *(*AddChar)(char *, char);
int (*StringLength)(char *);
char *(*ToZeroString)(GB_STRING *);
bool (*MatchString)(const char *, int, const char *, int);
bool (*NumberFromString)(int, const char *, int, GB_VALUE *);
bool (*NumberToString)(int, double, const char *, char **, int *);
char *(*Translate)(const char *);
char *(*SubstString)(const char *, int, GB_SUBST_CALLBACK);
char *(*SubstStringAdd)(const char *, int, GB_SUBST_ADD_CALLBACK);
void (*SubstAddCallback)(const char *, int);
bool (*ConvString)(char **, const char *, int, const char *, const char *);
char *(*FileName)(char *, int);
char *(*RealFileName)(char *, int);
bool (*LoadFile)(const char *, int, char **, int *);
void (*ReleaseFile)(char *, int);
char *(*TempDir)(void);
char *(*TempFile)(const char *);
bool (*CopyFile)(const char *, const char *);
void (*BrowseProject)(GB_BROWSE_CALLBACK);
void (*Store)(GB_TYPE, GB_VALUE *, void *);
void (*StoreString)(GB_STRING *, char **);
void (*StoreObject)(GB_OBJECT *, void **);
void (*StoreVariant)(GB_VARIANT *, void *);
void (*ReadValue)(GB_VALUE *, void *, GB_TYPE);
void (*BorrowValue)(GB_VALUE *);
void (*ReleaseValue)(GB_VALUE *);
GB_DATE_SERIAL *(*SplitDate)(GB_DATE *);
bool (*MakeDate)(GB_DATE_SERIAL *, GB_DATE *);
void (*MakeDateFromTime)(int, int, GB_DATE *);
bool (*GetTime)(double *, int);
void (*Watch)(int, int, void *, intptr_t);
GB_VALUE *(*Eval)(void *, void *);
void (*Alloc)(void **, int);
void (*Free)(void **);
void (*Realloc)(void **, int);
void (*NewArray)(void *, int, int);
void (*FreeArray)(void *);
int (*Count)(void *);
void *(*Add)(void *);
void *(*Insert)(void *, int, int);
void (*Remove)(void *, int, int);
struct {
void (*New)(GB_SUBCOLLECTION *, GB_SUBCOLLECTION_DESC *, void *);
void (*Add)(void *, const char *, int, void *);
void (*Remove)(void *, const char *, int);
void *(*Get)(void *, const char *, int);
void *(*Container)(void *);
}
SubCollection;
int (*ToLower)(int);
int (*ToUpper)(int);
int (*StrCaseCmp)(const char *, const char *);
int (*StrNCaseCmp)(const char *, const char *, int);
struct {
char *(*Name)(void);
char *(*Title)(void);
char *(*Version)(void);
char *(*Path)(void);
GB_CLASS (*StartupClass)(void);
}
Application;
struct {
char *(*Charset)(void);
char *(*Language)(void);
char *(*DomainName)(void);
bool (*IsRightToLeft)(void);
char *(*Path)(void);
}
System;
struct {
void (*New)(GB_ARRAY *, GB_TYPE, int);
int (*Count)(GB_ARRAY);
void *(*Add)(GB_ARRAY);
void *(*Get)(GB_ARRAY, int);
GB_TYPE (*Type)(GB_ARRAY);
}
Array;
struct {
void (*New)(GB_COLLECTION *, int);
int (*Count)(GB_COLLECTION);
bool (*Set)(GB_COLLECTION, const char *, int, GB_VARIANT *);
bool (*Get)(GB_COLLECTION, const char *, int, GB_VARIANT *);
bool (*Enum)(GB_COLLECTION, GB_COLLECTION_ITER *, GB_VARIANT *, char **key, int *len);
}
Collection;
struct {
void (*New)(GB_HASHTABLE *, int);
void (*Free)(GB_HASHTABLE *);
int (*Count)(GB_HASHTABLE);
void (*Add)(GB_HASHTABLE, const char *, int, void *);
void (*Remove)(GB_HASHTABLE, const char *, int);
bool (*Get)(GB_HASHTABLE, const char *, int, void **);
void (*Enum)(GB_HASHTABLE, GB_HASHTABLE_ENUM_FUNC);
}
HashTable;
struct {
GB_STREAM *(*Get)(void *object);
void (*SetBytesRead)(GB_STREAM *stream, int length);
void (*SetSwapping)(GB_STREAM *stream, int swap);
bool (*Block)(GB_STREAM *stream, int block);
int (*Read)(GB_STREAM *stream, void *addr, int len);
int (*Write)(GB_STREAM *stream, void *addr, int len);
}
Stream;
struct {
void (*Start)(int length);
char *(*End)();
void (*Add)(const char *src, int len);
}
String;
struct {
char *(*GetCurrentPosition)();
}
Debug;
}
GB_INTERFACE;
/*
Special methods that can be declared in a class
_get array reading operator
_put array writing operator
_new constructor
_free destructor
_next next iteration of an enumeration
_call called when the object or the class is used as a function
_unknown called when the name of the property or method is unknown
*/
/*
Syntax of a method or event signature
Gambas datatype String representation
BOOLEAN b
INTEGER i
LONG l
FLOAT f
DATE d
STRING s
VARIANT v
OBJECT o
POINTER p
Any class ClassName;
*/
#ifndef NO_GAMBAS_CASE_REPLACEMENT
/* Replacements for case unsensitive comparisons.
They ensure that case comparison does not use current locale,
otherwise Turkish speakers will have problems!
*/
#include <string.h>
#include <ctype.h>
#ifdef tolower
#undef tolower
#endif
#ifdef toupper
#undef toupper
#endif
#ifdef strcasecmp
#undef strcasecmp
#endif
#ifdef strncasecmp
#undef strncasecmp
#endif
#define strcasecmp GB.StrCaseCmp
#define strncasecmp GB.StrNCaseCmp
#define toupper GB.ToUpper
#define tolower GB.ToLower
#endif
#endif
}