mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-25 08:06:49 +03:00
278 lines
5.7 KiB
C++
278 lines
5.7 KiB
C++
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#define _POINTER_
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#include "tok.h"
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void dopointerproc()
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{
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unsigned int snum;
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int razr=r16;
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ITOK wtok;
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char *wbuf;
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SINFO wstr;
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if(am32)razr=r32;
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itok.rm=itok.sib;
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itok.sib=am32==0?CODE16:CODE32;
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if((FixUp)
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&&((itok.rm==rm_d32&&am32)||(itok.rm==rm_d16&&am32==0)))//16.07.04 16:01
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//18.08.04 18:03 itok.rm==rm_d32 was itok.rm==CODE32
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itok.flag|=f_reloc;
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else compressoffset(&itok);
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wstr=strinf;
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strinf.bufstr=NULL;
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wtok=itok;
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wbuf=bufrm;
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bufrm=NULL;
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unsigned int oaddESP=addESP;
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if(wtok.npointr<2){
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itok.flag&=~f_far;
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// itok.post=0;
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snum=initparamproc();
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CheckAllMassiv(wbuf,razr,&wstr,&wtok);
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outseg(&wtok,2);
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op(0xFF); op(0x10+wtok.rm+((wtok.flag&f_far)!=0?8:0));
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outaddress(&wtok);
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}
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else{
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int reg=BX;
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getpointeradr(&wtok,wbuf,&wstr,wtok.npointr-1,am32==0?r16:r32,reg);
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snum=initparamproc();
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op66(razr);
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op(0xFF);
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op(0xD0+reg); /* CALL reg with stack params */
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}
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if((wtok.flag&f_typeproc)==tp_cdecl)CorrectStack(snum);
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else addESP=oaddESP;
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clearregstat(0);
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}
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void dopointer()
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{
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if(itok.type==tk_proc){
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if(tok2==tk_openbracket){
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dopointerproc();
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nexttok();
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return;
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}
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itok.rm=itok.sib;
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itok.sib=am32==0?CODE16:CODE32;
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compressoffset(&itok);
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}
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int razr=r16;
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if(am32||(itok.flag&f_far))razr=r32;
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do_d_wordvar(0,razr);
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}
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void getpointeradr(ITOK *gstok,char *&gbuf,SINFO *gstr,int numpointer,int razr, int reg)
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{
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if(gstok->flag&f_far){
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CheckAllMassiv(gbuf,4,gstr,gstok);
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outseg(gstok,2);
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op(0xC4);
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op(gstok->rm+8*reg);
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outaddress(gstok);
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itok.segm=ES;
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itok.sib=CODE16;
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if(reg==BX)itok.rm=rm_BX;
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else if(reg==SI)itok.rm=rm_SI;
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else if(reg==DI)itok.rm=rm_DI;
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warningreg(segs[0]);
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}
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else{
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int retreg;
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if((gstok->flag&f_useidx)==0&&(retreg=CheckIDZReg(gstok->name,reg,razr))!=NOINREG){
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if(am32==0&&retreg!=BX&&retreg!=SI&&retreg!=DI){
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GenRegToReg(reg,retreg,razr);
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IDZToReg(gstok->name,reg,razr);
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}
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else if(retreg!=SKIPREG)reg=retreg;
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if(gbuf){
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free(gbuf);
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gbuf=NULL;
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}
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if(gstr->bufstr){
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free(gstr->bufstr);
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gstr->bufstr=NULL;
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}
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goto nomov;
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}
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if((gstok->flag&f_useidx))IDZToReg(gstok->name,reg,razr);
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CheckAllMassiv(gbuf,razr,gstr,gstok);
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outseg(gstok,2);
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op(0x8B);
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op(reg*8+gstok->rm);
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outaddress(gstok);
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nomov:
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itok.segm=DS;
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if(am32==0){
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itok.sib=CODE16;
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if(reg==BX)itok.rm=rm_BX;
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else if(reg==SI)itok.rm=rm_SI;
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else if(reg==DI)itok.rm=rm_DI;
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}
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else{
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itok.sib=CODE32;
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itok.rm=reg;
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}
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}
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itok.post=0;
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itok.number=0;
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itok.flag=gstok->flag&(!f_reloc);
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warningreg(regs[am32][reg]);
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while(numpointer){
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outseg(&itok,2);
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op(0x8B);
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op(itok.rm+reg*8);
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outaddress(&itok);
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numpointer--;
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}
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}
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void dovalpointer()
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{
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int sign=0,rettype,pointr,razr=r8;
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int rrettype;
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int numpointer=0;
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int hnumber=0;
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//int i=0;
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int reg=BX;
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int npointr=0;
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do{
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nexttok();
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numpointer++;
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}while(tok==tk_mult);
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ITOK wtok;
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char *wbuf;
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SINFO wstr;
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unsigned char ocha;
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unsigned int oinptr;
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unsigned int olinenum;
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int otok2;
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wstr=strinf;
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strinf.bufstr=NULL;
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wtok=itok;
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wbuf=bufrm;
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bufrm=NULL;
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if(numpointer==itok.npointr){
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switch(itok.type){
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case tk_qword:
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case tk_double:
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razr+=4;
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case tk_dword:
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case tk_float:
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razr+=2;
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case tk_word:
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razr++;
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break;
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case tk_long:
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razr+=2;
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case tk_int:
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razr++;
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case tk_char:
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sign=1;
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break;
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}
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rrettype=rettype=itok.type;
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oinptr=inptr2;
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ocha=cha2;
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olinenum=linenumber;
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otok2=tok2;
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nexttok();
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if(tok==tk_assign){
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nexttok();
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convert_type(&sign,(int *)&rettype,&pointr);
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while(tok==tk_mult){
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nexttok();
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npointr++;
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}
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if(npointr>itok.npointr)unuseableinput();
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if(tok2==tk_assign){
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hnumber=MultiAssign(razr,USEALLREG,npointr);
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if(reg==hnumber)reg=DI;
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goto getfromax;
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}
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}
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linenumber=linenum2=olinenum;
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cha2=ocha;
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inptr2=oinptr;
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tok2=otok2;
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itok=wtok;
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if(itok.type==tk_proc){
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dopointer();
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return;
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}
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getpointeradr(&itok,wbuf,&wstr,numpointer-1,razr,reg);
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tok=tk_charvar+itok.type-tk_char;
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switch(itok.type){
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case tk_long:
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case tk_dword:
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case tk_int:
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case tk_word:
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do_d_wordvar(sign,razr);
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return;
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case tk_char:
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case tk_byte:
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dobytevar(sign);
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return;
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case tk_float:
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dofloatvar();
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return;
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case tk_qword:
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doqwordvar();
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return;
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case tk_double:
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// dodoublevar();
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return;
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}
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getfromax:
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convert_returnvalue(rrettype,rettype);
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ITOK otok=itok;
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getpointeradr(&wtok,wbuf,&wstr,numpointer-1,razr,reg);
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switch(rrettype){
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case tk_char:
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case tk_byte:
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outseg(&itok,2);
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op(0x88);
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op(itok.rm+hnumber*8); //[reg]=AL
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break;
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case tk_int:
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case tk_word:
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case tk_long:
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case tk_dword:
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case tk_qword:
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op66(razr);
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outseg(&itok,2);
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op(0x89);
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op(itok.rm+hnumber*8); // MOV [rmword],AX
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break;
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case tk_float:
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outseg(&itok,2); //fstp var
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op(0xd9);
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op(itok.rm+0x18);
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fwait3();
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break;
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case tk_double:
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outseg(&itok,2); //fstpq var
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op(0xdd);
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op(itok.rm+0x18);
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fwait3();
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break;
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}
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itok=otok;
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}
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else if(numpointer<itok.npointr){
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razr=r16;
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rettype=tk_word;
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if(am32||(itok.flag&f_far)){
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razr=r32;
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rettype=tk_dword;
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}
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rrettype=rettype;
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doreg_32(AX,razr);
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goto getfromax;
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}
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else unuseableinput();
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}
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