215 lines
4.2 KiB
C
215 lines
4.2 KiB
C
|
#include "bem.h"
|
||
|
|
|
||
|
|
/* expression types for predefined functions are assembled */
|
||
|
|
int typetable[10];
|
||
|
|
int exprlimit;
|
||
|
|
|
||
|
|
/* handle all predefined functions */
|
||
|
|
#define cv(X) conversion(type,X); pop=X
|
||
|
|
#define cl(X) emcode("cal",X);
|
||
|
|
|
||
|
|
parm(cnt)
|
||
|
|
int cnt;
|
||
|
|
{
|
||
|
|
if( cnt> exprlimit)
|
||
|
|
error("Not enough arguments");
|
||
|
|
if( cnt < exprlimit)
|
||
|
|
error("Too many arguments");
|
||
|
|
}
|
||
|
|
|
||
|
|
callfcn(fcnnr,cnt)
|
||
|
|
int fcnnr,cnt;
|
||
|
|
{
|
||
|
|
int pop=DOUBLETYPE;
|
||
|
|
int res=DOUBLETYPE;
|
||
|
|
int type;
|
||
|
|
|
||
|
|
|
||
|
|
type= typetable[0];
|
||
|
|
exprlimit=cnt;
|
||
|
|
if(debug) printf("fcn=%d\n",fcnnr);
|
||
|
|
switch(fcnnr)
|
||
|
|
{
|
||
|
|
case ABSSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_abr");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case ASCSYM: cv(STRINGTYPE);
|
||
|
|
cl("$_asc"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case ATNSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_atn");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case CDBLSYM: cv(DOUBLETYPE); return(DOUBLETYPE);;
|
||
|
|
case CHRSYM: cv(INTTYPE);
|
||
|
|
cl("$_chr"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case CSNGSYM:
|
||
|
|
cv(DOUBLETYPE); return(DOUBLETYPE);
|
||
|
|
case CINTSYM: cv(INTTYPE); return(INTTYPE);
|
||
|
|
case COSSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_cos");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case CVISYM: cv(STRINGTYPE);
|
||
|
|
cl("$_cvi"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case CVSSYM: cv(STRINGTYPE);
|
||
|
|
cl("$_cvd"); res=DOUBLETYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case CVDSYM: cv(STRINGTYPE);
|
||
|
|
cl("$_cvd"); res=DOUBLETYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case EOFSYM:
|
||
|
|
if( cnt==0)
|
||
|
|
{
|
||
|
|
res= INTTYPE;
|
||
|
|
pop= INTTYPE;
|
||
|
|
emcode("loc","-1");
|
||
|
|
} else cv(INTTYPE);
|
||
|
|
cl("$_ioeof"); res=INTTYPE;
|
||
|
|
break;
|
||
|
|
case EXPSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_exp");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case FIXSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_fix"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case INPSYM:
|
||
|
|
case LPOSSYM:
|
||
|
|
case FRESYM: pop=0;
|
||
|
|
warning("function not supported");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case HEXSYM: cv(INTTYPE);
|
||
|
|
cl("$_hex"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case OUTSYM:
|
||
|
|
case INSTRSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_instr"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case INTSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_fcint");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case LEFTSYM: parm(2);
|
||
|
|
extraconvert(type, STRINGTYPE,typetable[1]);
|
||
|
|
type= typetable[1];
|
||
|
|
cv(INTTYPE);
|
||
|
|
cl("$_left"); res=STRINGTYPE;
|
||
|
|
emcode("asp",EMPTRSIZE);
|
||
|
|
emcode("asp",EMINTSIZE);
|
||
|
|
emcode("lfr",EMPTRSIZE);
|
||
|
|
return(STRINGTYPE);
|
||
|
|
case LENSYM: cv(STRINGTYPE);
|
||
|
|
cl("$_len"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case LOCSYM: cv(INTTYPE);
|
||
|
|
cl("$_loc"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case LOGSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_log");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case MKISYM: cv(INTTYPE);
|
||
|
|
cl("$_mki"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case MKSSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_mkd"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case MKDSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_mkd"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case OCTSYM: cv(INTTYPE);
|
||
|
|
cl("$_oct"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case PEEKSYM: cv(INTTYPE);
|
||
|
|
cl("$_peek"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case POSSYM: emcode("asp",typestring(type));
|
||
|
|
emcode("exa","_pos");
|
||
|
|
emcode("loe","_pos");
|
||
|
|
return(INTTYPE);
|
||
|
|
case RIGHTSYM: parm(2);
|
||
|
|
extraconvert(type, STRINGTYPE,typetable[1]);
|
||
|
|
type= typetable[1];
|
||
|
|
cv(INTTYPE);
|
||
|
|
cl("$_right"); res=STRINGTYPE;
|
||
|
|
emcode("asp",EMINTSIZE);
|
||
|
|
emcode("asp",EMPTRSIZE);
|
||
|
|
emcode("lfr",EMPTRSIZE);
|
||
|
|
return(STRINGTYPE);
|
||
|
|
case RNDSYM: if( cnt==1) pop=type; else pop=0;
|
||
|
|
cl("$_rnd"); res= DOUBLETYPE;
|
||
|
|
break;
|
||
|
|
case SGNSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_sgn"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case SINSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_sin");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case SPACESYM: cv(INTTYPE);
|
||
|
|
cl("$_space"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case SPCSYM: cv(INTTYPE);
|
||
|
|
cl("$_spc"); res=0;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case SQRSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_sqt");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case STRSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_str");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case STRINGSYM: cv(STRINGTYPE);
|
||
|
|
cl("$_string"); res=STRINGTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case TABSYM: cv(INTTYPE);
|
||
|
|
cl("$_tab"); res=0;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case TANSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_tan");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case VALSYM: cv(STRINGTYPE);
|
||
|
|
cl("$atol"); res=INTTYPE;
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
case VARPTRSYM: cv(DOUBLETYPE);
|
||
|
|
cl("$_valptr");
|
||
|
|
parm(1);
|
||
|
|
break;
|
||
|
|
default: error("unknown function");
|
||
|
|
}
|
||
|
|
if(pop)
|
||
|
|
emcode("asp",typestring(pop));
|
||
|
|
if(res)
|
||
|
|
emcode("lfr",typestring(res));
|
||
|
|
return(res);
|
||
|
|
}
|
||
|
|
|