| 6446 |
GerdtR |
1 |
#define _SWITCH_ |
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extern int lastcommand; //последний оператор в блоке |
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FSWI *swtables; //таблица информаций об switch |
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int numexpandcase; |
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{ |
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if(shortjmp==FALSE){ |
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if(am32==FALSE)*(unsigned short *)&output[endsw-2]=(unsigned short)size; |
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} |
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if((unsigned int)size>127)jumperror(line,mes); |
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} |
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{ |
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op66(tokr); //CMP EAX,val |
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op(0x85); |
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} |
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if(short_ok(value,tokr==r32?TRUE:FALSE)){ |
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40 |
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op(0xF8+reg); |
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42 |
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} |
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if(reg==0)op(0x3D); |
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op(0x81); |
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} |
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} |
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} |
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if(value==0){ |
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else{ |
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else{ |
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op(0xF8+reg); |
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op(value); |
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} |
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{ |
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int dtok,line,oinptr,i,otok2; |
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unsigned char *oinput; |
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int retcode=TRUE; |
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otok=itok; |
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line=linenum2; |
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oinptr=inptr=inptr2; |
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//new |
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oendinptr=endinptr; |
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COM_MOD *pmod=cur_mod; |
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pmod=pmod->next; |
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input=pmod->input; |
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endinptr=pmod->endinptr; |
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inptr++; |
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100 |
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101 |
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102 |
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FastTok(0); |
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104 |
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SwTok(tk_openbrace); |
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106 |
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} |
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108 |
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for(i=1;i!=0;){ |
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110 |
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if(tok==tk_question)CheckDir(); |
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112 |
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case tk_eof: |
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retcode=FALSE; |
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break; |
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118 |
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case tk_closebrace: i--; break; |
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120 |
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case tk_case: |
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if(i==1){ |
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inptr2=inptr; |
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126 |
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linenum2=linenumber; |
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128 |
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nexttok(); |
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130 |
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if(*numcase==MAXCASE){ |
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retcode=FALSE; |
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else{ |
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preerror("Duplicate 'case'"); |
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140 |
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break; |
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} |
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144 |
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if(tok==tk_multipoint){ |
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146 |
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nexttok(); |
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148 |
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numexpandcase+=val-(caseinf+*numcase)->value-1; |
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150 |
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preerror("The first value 'case' should be smaller"); |
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152 |
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153 |
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154 |
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(caseinf+*numcase)->type=endmulti; |
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156 |
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(caseinf+*numcase)->postcase=(caseinf+*numcase-1)->postcase; |
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158 |
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else (caseinf+*numcase)->type=singlcase; |
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160 |
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} |
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162 |
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else{ |
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retcode=FALSE; |
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inptr=inptr2; |
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168 |
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} |
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break; |
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} |
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174 |
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} |
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176 |
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tok=dtok; |
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178 |
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linenum2=line; |
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180 |
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inptr2=oinptr; |
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} |
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184 |
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inptr2=inptr; |
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186 |
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linenum2=linenumber; |
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//new |
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190 |
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endinptr=oendinptr; |
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192 |
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return retcode; |
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{ |
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int numcase=0,reg=AX,mode=0; |
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200 |
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201 |
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REGISTERSTAT *bakregstat,*changeregstat; |
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//new |
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unsigned char oinline=useinline; |
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208 |
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ITOK otok; |
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210 |
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unsigned long numbervar; |
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int nonum; |
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useinline=0; |
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216 |
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numexpandcase=0; |
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getoperand(); |
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220 |
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expecting(tk_openbracket); |
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case tk_intvar: |
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goto dint; |
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signflag=1; |
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getoperand(); |
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case tk_reg: |
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tokr=r16; |
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234 |
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case tk_charvar: |
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goto dchar; |
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signflag=1; |
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240 |
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getoperand(); |
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case tk_beg: |
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tokr=r8; |
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case tk_long: |
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case tk_dword: |
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goto dlong; |
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getoperand(); |
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case tk_floatvar: |
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case tk_dwordvar: |
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dlong: |
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break; |
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case tk_qwordvar: |
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tokr=r64; |
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case tk_openbracket: |
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268 |
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if(tok>=tk_char&&tok<=tk_double){ |
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switch(tok){ |
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case tk_float: |
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case tk_int: |
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signflag=1; |
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278 |
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} |
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280 |
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expectingoperand(tk_closebracket); |
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282 |
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default: |
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284 |
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break; |
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#ifdef OPTVARCONST |
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288 |
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otok=itok; |
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} |
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if(ScanSwitch(&numcase,caseinf,startmod)){ |
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unsigned int sizetab; //размер таблицы |
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296 |
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unsigned int size0=0,size1; |
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298 |
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long smin=0x7fffffff,smax=-0x7fffffff; |
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300 |
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unsigned oaddESP=addESP; |
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302 |
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if(!optimizespeed){ |
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else if(tokr==r8)size0=numcase*2; |
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reg0=itok.number; //предполагаемый регистр метода 0 |
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for(i=0;i |
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310 |
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if((caseinf+i)->valuevalue; |
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if((long) (caseinf+i)->valuevalue; |
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if((caseinf+i)->value==0)size0+=2; |
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else{ |
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if(am32)size0+=2; |
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320 |
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} |
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if((caseinf+i)->postcase==0)size0+=(am32==FALSE?(chip<3?5:4):6); |
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} |
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if((unsigned int)(smax-smin)<(max-min)){ |
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328 |
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svop=8; |
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330 |
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} |
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smin=min; |
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} |
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336 |
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if(sizetab<0x1000000&&(!(am32==FALSE&&tokr==r32))){ |
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338 |
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if((unsigned int)(sizetab/numcase)<(unsigned int)(am32==FALSE?3:4)){ |
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340 |
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if(am32==FALSE)reg=BX; |
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342 |
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3 для 16-битного режима и 4 для 32-битного, то берется метод 1 */ |
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} |
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if(shortjmp)size0+=2; |
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348 |
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size1=sizetab*(am32==FALSE?2:4); |
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350 |
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if(max>127&®0==AX)size1--; |
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352 |
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if(min==1)size1++; |
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else if(min<128)size1+=3; |
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356 |
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size1+=(am32==FALSE?4:6); |
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358 |
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} |
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360 |
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size1+=(am32==FALSE?6:9); |
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362 |
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if(tokr!=r32)size1+=3; |
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364 |
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} |
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366 |
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if(reg0!=BX)size1+=2; |
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368 |
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//выбор метода с меньшим размером |
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370 |
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mode=1; |
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372 |
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if(am32==FALSE)reg=BX; |
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} |
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} |
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378 |
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if(numcase>9&&(!optimizespeed)){ |
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380 |
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size2=numcase+numexpandcase; |
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382 |
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383 |
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384 |
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else size2=size2*3+8; |
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386 |
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case r16: |
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388 |
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389 |
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390 |
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case r32: |
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392 |
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else size2=size2*6+9; |
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394 |
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} |
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396 |
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//выбор метода с меньшим размером |
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398 |
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} |
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400 |
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if(mode==2){ |
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402 |
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403 |
reg0=idxregs[1]; |
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404 |
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405 |
if(tokr==r8)doalmath(signflag,&ofsstr); |
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406 |
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} |
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408 |
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409 |
reg=itok.number; |
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410 |
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411 |
nexttok(); |
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412 |
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413 |
ClearReg(reg); |
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414 |
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415 |
warningreg(regs[am32][reg0]); |
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416 |
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417 |
else if((tok==tk_beg||tok==tk_reg||tok==tk_reg32)&&tok2==tk_closebracket){ |
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418 |
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419 |
reg=itok.number; |
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420 |
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421 |
else nexttok(); |
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422 |
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} |
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424 |
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425 |
getintoreg_32(BX,r16,0,&ofsstr); |
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426 |
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427 |
warningreg("BX"); |
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428 |
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429 |
} |
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430 |
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431 |
if(tokr==r8)doalmath(signflag,&ofsstr); |
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432 |
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433 |
if(reg!=AX){ |
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434 |
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435 |
if(tokr==r8)outword(0xB4); //mov ah,0 |
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436 |
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437 |
else op(0x93); //xchg ax,bx |
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438 |
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439 |
else{ |
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440 |
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441 |
if(mode&&am32&&tokr!=r32){ |
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442 |
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443 |
op(tokr==r8?0xB6:0xB7); |
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444 |
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445 |
} |
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446 |
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447 |
} |
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448 |
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449 |
if(numcase){ |
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450 |
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451 |
if(min!=0){ |
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452 |
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453 |
else if(min==2&&(!optimizespeed)){ |
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454 |
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455 |
op(0x48+reg-svop); //dec reg |
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456 |
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457 |
else if(min<128){ |
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458 |
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459 |
op(0xE8+reg-svop*5); |
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460 |
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461 |
} |
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462 |
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463 |
if(reg==AX)op(0x2D-svop*5); |
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464 |
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465 |
op(0x81); |
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466 |
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467 |
} |
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468 |
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469 |
else outword(min); |
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470 |
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471 |
if(am32)warningreg(regs[1][reg]); |
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472 |
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473 |
if(max<128){ |
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474 |
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475 |
op(0xF8+reg); |
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476 |
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477 |
} |
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478 |
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479 |
if(reg==AX)op(0x3D); |
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480 |
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481 |
op(0x81); |
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482 |
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483 |
} |
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484 |
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485 |
else outword(max); |
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486 |
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487 |
if(shortjmp==FALSE){ |
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488 |
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489 |
outword(0x376); //jbe 3 |
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490 |
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491 |
} |
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492 |
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|
493 |
outword(0); |
|
|
494 |
|
|
|
495 |
} |
|
|
496 |
|
|
|
497 |
op(0x77); |
|
|
498 |
|
|
|
499 |
} |
|
|
500 |
|
|
|
501 |
if(am32){ |
|
|
502 |
|
|
|
503 |
op(0x85+reg*8); |
|
|
504 |
|
|
|
505 |
else outdword(0xA7FFDB01); //add bx,bx jmp [bx+table] |
|
|
506 |
|
|
|
507 |
size1=outptr; |
|
|
508 |
|
|
|
509 |
if(am32)outword(0); |
|
|
510 |
|
|
|
511 |
else if(mode==0){ |
|
|
512 |
|
|
|
513 |
for(;numcase>0;){ //ветвление |
|
|
514 |
|
|
|
515 |
CmpRegNum(tokr,(caseinf+numcase)->value,reg); |
|
|
516 |
|
|
|
517 |
if(numcase){ |
|
|
518 |
|
|
|
519 |
if(chip<3){ |
|
|
520 |
|
|
|
521 |
op(0xE9); //jmp to default |
|
|
522 |
|
|
|
523 |
else outword(0x840F); //jz default |
|
|
524 |
|
|
|
525 |
if(am32)outword(0); |
|
|
526 |
|
|
|
527 |
else outword(0x74); |
|
|
528 |
|
|
|
529 |
} |
|
|
530 |
|
|
|
531 |
if(shortjmp==FALSE){ |
|
|
532 |
|
|
|
533 |
outword(0x374); //jnz 3 |
|
|
534 |
|
|
|
535 |
} |
|
|
536 |
|
|
|
537 |
outword(0); |
|
|
538 |
|
|
|
539 |
} |
|
|
540 |
|
|
|
541 |
endsw=outptr; //адрес конца switch или default |
|
|
542 |
|
|
|
543 |
} |
|
|
544 |
|
|
|
545 |
numcase--; |
|
|
546 |
|
|
|
547 |
if(numcase!=0){ |
|
|
548 |
|
|
|
549 |
if(max==0){ |
|
|
550 |
|
|
|
551 |
outdword(0x860F); |
|
|
552 |
|
|
|
553 |
} |
|
|
554 |
|
|
|
555 |
outword(am32==FALSE?0x0377:0x577); |
|
|
556 |
|
|
|
557 |
} |
|
|
558 |
|
|
|
559 |
else{ |
|
|
560 |
|
|
|
561 |
endsw=outptr; |
|
|
562 |
|
|
|
563 |
if(chip>2){ |
|
|
564 |
|
|
|
565 |
if(am32)outword(0); |
|
|
566 |
|
|
|
567 |
else{ |
|
|
568 |
|
|
|
569 |
jumploc0(); |
|
|
570 |
|
|
|
571 |
output[endsw-1]=(unsigned char)(outptr-endsw); |
|
|
572 |
|
|
|
573 |
} |
|
|
574 |
|
|
|
575 |
if(max==0)outword(0x76); |
|
|
576 |
|
|
|
577 |
outword(0x77); |
|
|
578 |
|
|
|
579 |
CmpRegNum(tokr,max,reg); |
|
|
580 |
|
|
|
581 |
output[endsw-1]=(unsigned char)(outptr-endsw); |
|
|
582 |
|
|
|
583 |
} |
|
|
584 |
|
|
|
585 |
} |
|
|
586 |
|
|
|
587 |
if(shortjmp==FALSE){ |
|
|
588 |
|
|
|
589 |
outdword(0x870F); |
|
|
590 |
|
|
|
591 |
if(max!=0){ |
|
|
592 |
|
|
|
593 |
CmpRegNum(tokr,max,reg); |
|
|
594 |
|
|
|
595 |
if(am32)outword(0); |
|
|
596 |
|
|
|
597 |
} |
|
|
598 |
|
|
|
599 |
if(max==0) outword(am32==FALSE?0x0376:0x576); |
|
|
600 |
|
|
|
601 |
outword(0x77); |
|
|
602 |
|
|
|
603 |
CmpRegNum(tokr,max,reg); |
|
|
604 |
|
|
|
605 |
output[endsw]=(unsigned char)(outptr-endsw-1); |
|
|
606 |
|
|
|
607 |
jumploc0(); |
|
|
608 |
|
|
|
609 |
} |
|
|
610 |
|
|
|
611 |
outword(0x77); |
|
|
612 |
|
|
|
613 |
endsw2=outptr; |
|
|
614 |
|
|
|
615 |
outword(0x72); |
|
|
616 |
|
|
|
617 |
} |
|
|
618 |
|
|
|
619 |
} |
|
|
620 |
|
|
|
621 |
} |
|
|
622 |
|
|
|
623 |
else if(mode==2){ |
|
|
624 |
|
|
|
625 |
outdword(0x071E0651); //push cx,es,ds pop es |
|
|
626 |
|
|
|
627 |
outword(numcase+numexpandcase); |
|
|
628 |
|
|
|
629 |
AddReloc(CS); |
|
|
630 |
|
|
|
631 |
outword(0); |
|
|
632 |
|
|
|
633 |
switch(tokr){ |
|
|
634 |
|
|
|
635 |
case r32: op(0x66); |
|
|
636 |
|
|
|
637 |
} |
|
|
638 |
|
|
|
639 |
op(shortjmp==FALSE?4:3); |
|
|
640 |
|
|
|
641 |
if(shortjmp==FALSE)jumploc0(); |
|
|
642 |
|
|
|
643 |
endsw=outptr; //адрес конца switch или default |
|
|
644 |
|
|
|
645 |
outword(numcase+numexpandcase); |
|
|
646 |
|
|
|
647 |
op(0xFF); |
|
|
648 |
|
|
|
649 |
AddReloc(CS); |
|
|
650 |
|
|
|
651 |
outword(0); |
|
|
652 |
|
|
|
653 |
outword(0x25FF); //jmp [di] |
|
|
654 |
|
|
|
655 |
else{ |
|
|
656 |
|
|
|
657 |
op(0xC0+reg0*9); //xor reg0,reg0 |
|
|
658 |
|
|
|
659 |
case r8: op(0x38); op(0x4+reg*8); op(5+reg0*8); break; |
|
|
660 |
|
|
|
661 |
case r16: op(0x66); op(0x39); op(0x4+reg*8); op(0x45+reg0*8); break; |
|
|
662 |
|
|
|
663 |
AddReloc(CS); |
|
|
664 |
|
|
|
665 |
outdword(0); |
|
|
666 |
|
|
|
667 |
outword(0x24FF); //jmp [reg0*4+tableadr] |
|
|
668 |
|
|
|
669 |
AddReloc(CS); |
|
|
670 |
|
|
|
671 |
outdword(0); |
|
|
672 |
|
|
|
673 |
if((numcase+numexpandcase)>127){ //cmp reg0,numcase |
|
|
674 |
|
|
|
675 |
op(0xF8+reg0); |
|
|
676 |
|
|
|
677 |
} |
|
|
678 |
|
|
|
679 |
op(0x83); |
|
|
680 |
|
|
|
681 |
op(numcase+numexpandcase); |
|
|
682 |
|
|
|
683 |
op(0x72); |
|
|
684 |
|
|
|
685 |
else op(tokr==r16?0xE9:0xEA); |
|
|
686 |
|
|
|
687 |
else outword(0xEB); |
|
|
688 |
|
|
|
689 |
} |
|
|
690 |
|
|
|
691 |
} |
|
|
692 |
|
|
|
693 |
useinline=oinline; |
|
|
694 |
|
|
|
695 |
changeregstat=BakRegStat(); |
|
|
696 |
|
|
|
697 |
do{ |
|
|
698 |
|
|
|
699 |
RestoreStack(); |
|
|
700 |
|
|
|
701 |
switch(lastcommand){ |
|
|
702 |
|
|
|
703 |
case tk_GOTO: |
|
|
704 |
|
|
|
705 |
case tk_BREAK: |
|
|
706 |
|
|
|
707 |
case tk_RETURN: |
|
|
708 |
|
|
|
709 |
CopyRegStat(bakregstat); |
|
|
710 |
|
|
|
711 |
nonum=FALSE; |
|
|
712 |
|
|
|
713 |
addESP=oaddESP; |
|
|
714 |
|
|
|
715 |
default: |
|
|
716 |
|
|
|
717 |
#ifdef OPTVARCONST |
|
|
718 |
|
|
|
719 |
#endif |
|
|
720 |
|
|
|
721 |
break; |
|
|
722 |
|
|
|
723 |
if(tok==tk_default){ //тоже для default |
|
|
724 |
|
|
|
725 |
if(numcase==0)jumploc0(); //default самый первый |
|
|
726 |
|
|
|
727 |
if(endsw2)CheckJmpSW(sline,endsw2,outptr,shortjmp,mesSWITCH); |
|
|
728 |
|
|
|
729 |
if(defaul)preerror("Duplicate 'default'"); |
|
|
730 |
|
|
|
731 |
nexttok(); |
|
|
732 |
|
|
|
733 |
continue; |
|
|
734 |
|
|
|
735 |
if(mode==0){ |
|
|
736 |
|
|
|
737 |
if(am32==FALSE)*(unsigned short *)&output[defaul-2]=(unsigned short)(outptr-defaul); |
|
|
738 |
|
|
|
739 |
} |
|
|
740 |
|
|
|
741 |
} |
|
|
742 |
|
|
|
743 |
lastcommand=tok; //new 12.12.07 14:27 |
|
|
744 |
|
|
|
745 |
#ifdef OPTVARCONST |
|
|
746 |
|
|
|
747 |
|
|
|
748 |
|
|
|
749 |
#else |
|
|
750 |
|
|
|
751 |
#endif |
|
|
752 |
|
|
|
753 |
if(tok==tk_multipoint){ |
|
|
754 |
|
|
|
755 |
(caseinf+numcase)->value=doconstlongmath()-(mode==1?smin:0); |
|
|
756 |
|
|
|
757 |
} |
|
|
758 |
|
|
|
759 |
else if(swvar&&nonum==FALSE)Const2Var(&otok,numbervar,numrm); |
|
|
760 |
|
|
|
761 |
expecting(tk_colon); //пров на : и чтение следующ tok |
|
|
762 |
|
|
|
763 |
continue;//goto checkcase; |
|
|
764 |
|
|
|
765 |
startblock(); |
|
|
766 |
|
|
|
767 |
endblock(); |
|
|
768 |
|
|
|
769 |
RestoreStack(); |
|
|
770 |
|
|
|
771 |
switch(lastcommand){ |
|
|
772 |
|
|
|
773 |
posts--; |
|
|
774 |
|
|
|
775 |
break; |
|
|
776 |
|
|
|
777 |
posts--; |
|
|
778 |
|
|
|
779 |
break; |
|
|
780 |
|
|
|
781 |
} |
|
|
782 |
|
|
|
783 |
if(mode==0&&svop){ |
|
|
784 |
|
|
|
785 |
CheckJmpSW(sline,endsw,outptr,shortjmp,mesSWITCH); |
|
|
786 |
|
|
|
787 |
} |
|
|
788 |
|
|
|
789 |
} |
|
|
790 |
|
|
|
791 |
CompareRegStat(changeregstat); |
|
|
792 |
|
|
|
793 |
CopyRegStat(changeregstat); |
|
|
794 |
|
|
|
795 |
if(numcase){ |
|
|
796 |
|
|
|
797 |
if(defaul==0){ |
|
|
798 |
|
|
|
799 |
if(endsw2)CheckJmpSW(sline,endsw2,outptr,shortjmp,mesSWITCH); |
|
|
800 |
|
|
|
801 |
free(caseinf); |
|
|
802 |
|
|
|
803 |
else{ |
|
|
804 |
|
|
|
805 |
CheckJmpSW(sline,endsw,defaul,shortjmp,mesSWITCH); |
|
|
806 |
|
|
|
807 |
if(!numswtable)swtables=(FSWI *)MALLOC(sizeof(FSWI)); |
|
|
808 |
|
|
|
809 |
FSWI *swt=swtables+numswtable; |
|
|
810 |
|
|
|
811 |
swt->sizetab=(mode==2?numcase:sizetab)+numexpandcase; |
|
|
812 |
|
|
|
813 |
swt->numcase=numcase; |
|
|
814 |
|
|
|
815 |
swt->ptb=size1; |
|
|
816 |
|
|
|
817 |
swt->mode=mode; |
|
|
818 |
|
|
|
819 |
numswtable++; |
|
|
820 |
|
|
|
821 |
} |
|
|
822 |
|
|
|
823 |
SetBreakLabel(); |
|
|
824 |
|
|
|
825 |
} |
|
|
826 |
|
|
|
827 |
lastcommand=tk_switch; |
|
|
828 |
|
|
|
829 |
} |
|
|
830 |
|
|
|
831 |
> |
|
|
832 |
|
|
|
833 |
> |
|
|
834 |
|
|
|
835 |
> |
|
|
836 |
|
|
|
837 |
> |
|
|
838 |
|
|
|
839 |
> |
|
|
840 |
|
|
|
841 |
> |
|
|
842 |
|
|
|
843 |
> |
|
|
844 |
|
|
|
845 |
> |
|
|
846 |
|
|
|
847 |
> |
|
|
848 |
|
|
|
849 |
> |
|
|
850 |
|