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1 module dmd.HaltExp;
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2
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3 import dmd.Expression;
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4 import dmd.backend.elem;
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5 import dmd.OutBuffer;
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6 import dmd.Loc;
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7 import dmd.Scope;
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8 import dmd.IRState;
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9 import dmd.Type;
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10 import dmd.HdrGenState;
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11 import dmd.Loc;
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12 import dmd.TOK;
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13
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14 import dmd.backend.Util;
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15 import dmd.backend.OPER;
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16 import dmd.backend.TYM;
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17
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18 class HaltExp : Expression
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19 {
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20 this(Loc loc)
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21 {
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22 super(loc, TOK.TOKhalt, HaltExp.sizeof);
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23 }
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24
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25 Expression semantic(Scope sc)
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26 {
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27 version (LOGSEMANTIC) {
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28 printf("HaltExp.semantic()\n");
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29 }
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30 type = Type.tvoid;
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31 return this;
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32 }
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33
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34 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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35 {
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36 buf.writestring("halt");
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37 }
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38
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39 bool checkSideEffect(int flag)
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40 {
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41 return true;
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42 }
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43
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44 elem* toElem(IRState* irs)
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45 {
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46 elem *e;
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47
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48 e = el_calloc();
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49 e.Ety = TYvoid;
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50 e.Eoper = OPhalt;
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51 el_setLoc(e,loc);
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52 return e;
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53 }
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54 }
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55
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