/* l2xiexec.h for LTX2X interpreter */
#ifndef exec_h
#define exec_h
#include "l2xicmon.h"
#include "listsetc.h"
/* following markers are now at the end of the TOKEN_CODE enumeration */
/*
* #define STATEMENT_MARKER 0x70
* #define ADDRESS_MARKER 0x71
*/
/* runtime stack */
/* stack value types */
typedef enum {
#define sotc(a, b, c, d) a,
#define sftc(a, b, c, d) a,
#define fotc(a, b, c, d)
#include "l2xisftc.h"
#undef sotc
#undef sftc
#undef fotc
} STACK_TYPE;
typedef struct {
STACK_TYPE type;
union {
XPRSAINT integer; /* STKINT, STKLOG, STKUDF */
XPRSAREAL real; /* STKREA */
STRING string; /* STKSTR */
ADDRESS address; /* all others */
LBS_PTR head; /* STKBAG, STKLST, STKSET */
} value;
} STACK_ITEM, *STACK_ITEM_PTR;
typedef struct {
STACK_ITEM function_value;
STACK_ITEM static_link;
STACK_ITEM dynamic_link;
STACK_ITEM return_address;
} *STACK_FRAME_HEADER_PTR;
/* functions */
SYMTAB_NODE_PTR get_symtab_cptr();
int get_statement_cmarker();
TYPE_STRUCT_PTR exec_routine_call();
TYPE_STRUCT_PTR exec_expression();
TYPE_STRUCT_PTR exec_variable();
ICT *crunch_address_marker();
ADDRESS fixup_address_marker();
ADDRESS get_address_cmarker();
XPRSAINT get_cinteger();
ADDRESS get_caddress();
ADDRESS get_address();
XPRSAREAL get_real();
ADDRESS get_static_link();
ADDRESS get_dynamic_link();
ADDRESS get_return_address();
/* macros */
/* get_ctoken -- extract next token code from the current code segment */
/* #define get_ctoken() entry_debug("getting_ctoken (l2xiexec.h)"); \
code_segment_entry_debug(code_segmentp); \
ctoken = *code_segmentp++; \
exit_debug("got_ctoken")
#define get_ctoken() code_segment_entry_debug(code_segmentp); \
ctoken = *code_segmentp++
*/
/* pop -- pop the runtime stack */
#define pop() stack_access_debug("Popped", tos); \
--tos
/* Tracing routine calls. To compile, #define trace beforehand */
#ifndef trace
#define trace_routine_entry(idp)
#define trace_routine_exit(idp)
#define trace_statement_execution()
#define trace_data_store(idp, idp_tp, targetp, target_tp)
#define trace_data_fetch(idp, tp, datap)
#endif
#endif
