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#ifndef XTRACE_PARSE_H
#define XTRACE_PARSE_H
struct constant {
unsigned long value;
const char *name;
};
struct event;
typedef bool request_func(struct connection*,bool,bool,struct expectedreply *);
typedef void reply_func(struct connection*,bool*,bool*,int,void*);
typedef void event_func(struct connection *, const unsigned char *, const struct event *);
struct request {
const char *name;
const struct parameter *parameters;
const struct parameter *answers;
request_func *request_func;
reply_func *reply_func;
};
struct event {
const char *name;
const struct parameter *parameters;
enum event_type { event_normal = 0, event_xge = 1} type;
#define event_COUNT 2
};
struct extension {
const char *name;
size_t namelen;
const struct request *subrequests;
unsigned char numsubrequests;
const struct event *events;
unsigned char numevents;
const char * const *errors;
unsigned char numerrors;
unsigned short numxgevents;
const struct event *xgevents;
};
struct parameter {
/* The offset within the event, request, reply or Struct this
* applies to. If OFS_LATER it is after the last list item
* in this parameter-list. */
size_t offse;
const char *name;
enum fieldtype {
/* signed endian specific: */
ft_INT8, ft_INT16, ft_INT32,
/* unsigned decimal endian specific: */
ft_UINT8, ft_UINT16, ft_UINT32,
/* unsigned hex endian specific: */
ft_CARD8, ft_CARD16, ft_CARD32,
/* enums (not in constant list is error): */
ft_ENUM8, ft_ENUM16, ft_ENUM32,
/* counts for following strings, lists, ...
* value-mask for LISTofFormat */
ft_STORE8, ft_STORE16, ft_STORE32,
/* to be ft_GET later into the store register */
ft_PUSH8, ft_PUSH16, ft_PUSH32,
/* bitfields: multiple values are possible */
ft_BITMASK8, ft_BITMASK16, ft_BITMASK32,
/* Different forms of lists: */
/* - boring ones */
ft_STRING8, ft_LISTofCARD32, ft_LISTofATOM,
ft_LISTofCARD8, ft_LISTofCARD16,
ft_LISTofUINT8, ft_LISTofUINT16,
ft_LISTofUINT32,
ft_LISTofINT8, ft_LISTofINT16,
ft_LISTofINT32,
/* - one of the above depening on last FORMAT */
ft_LISTofFormat,
/* - iterate of list description in constants field */
ft_LISTofStruct,
/* - same but length is mininum length and
* actual length is taken from end of last list
* or LASTMARKER */
ft_LISTofVarStruct,
/* - like ENUM for last STORE, but constants
* are of type (struct value*) interpreteted at this
* offset */
ft_LISTofVALUE,
/* an LISTofStruct with count = 1 */
ft_Struct,
/* specify bits per item for LISTofFormat */
ft_FORMAT8,
/* an event
* (would have also been possible with Struct and many IF)*/
ft_EVENT,
/* jump to other parameter list if matches */
ft_IF8,
ft_IF16,
ft_IF32,
/* jump to other parameter list if matches atom name */
ft_IFATOM,
/* set end of last list manually, (for LISTofVarStruct) */
ft_LASTMARKER,
/* a ft_CARD32 looking into the ATOM list */
ft_ATOM,
/* always big endian */
ft_BE32,
/* get the #ofs value from the stack. (0 is the last pushed) */
ft_GET,
/* a fixed-point number 16+16 bit */
ft_FIXED,
/* a list of those */
ft_LISTofFIXED,
/* a fixed-point number 32+32 bit */
ft_FIXED3232,
/* a list of those */
ft_LISTofFIXED3232,
/* a 32 bit floating pointer number */
ft_FLOAT32,
/* a list of those */
ft_LISTofFLOAT32,
/* fraction with nominator and denominator 16 bit */
ft_FRACTION16_16,
/* dito 32 bit */
ft_FRACTION32_32,
/* set stored value to specific value */
ft_DECREMENT_STORED,
ft_SET
} type;
const struct constant *constants;
};
struct value {
unsigned long flag;
/* NULL means EndOfValues */
const char *name;
/* only elementary type (<= ft_BITMASK32 are allowed ), */
enum fieldtype type;
const struct constant *constants;
};
extern const struct request *requests;
extern size_t num_requests;
extern const struct event *events;
extern size_t num_events;
extern const const char * const *errors;
extern size_t num_errors;
extern const struct extension *extensions;
extern size_t num_extensions;
extern const struct parameter *unexpected_reply;
extern const struct parameter *setup_parameters;
/* special handlers, for the SPECIAL requests/events */
extern request_func requestQueryExtension;
extern request_func requestInternAtom;
extern reply_func replyListFontsWithInfo;
extern reply_func replyQueryExtension;
extern reply_func replyInternAtom;
#endif
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