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72
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1 module dmd.HaltExp;
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2
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114
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3 import dmd.common;
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72
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4 import dmd.Expression;
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5 import dmd.backend.elem;
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6 import dmd.OutBuffer;
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7 import dmd.Loc;
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8 import dmd.Scope;
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0
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9 import dmd.IRState;
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72
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10 import dmd.Type;
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11 import dmd.HdrGenState;
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12 import dmd.Loc;
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0
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13 import dmd.TOK;
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14
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15 import dmd.backend.Util;
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16 import dmd.backend.OPER;
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72
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17 import dmd.backend.TYM;
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18
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0
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19 class HaltExp : Expression
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20 {
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21 this(Loc loc)
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22 {
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178
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23 register();
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0
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24 super(loc, TOK.TOKhalt, HaltExp.sizeof);
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25 }
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26
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72
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27 override Expression semantic(Scope sc)
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0
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28 {
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29 version (LOGSEMANTIC) {
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30 printf("HaltExp.semantic()\n");
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31 }
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32 type = Type.tvoid;
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33 return this;
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34 }
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35
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72
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36 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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0
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37 {
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38 buf.writestring("halt");
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39 }
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40
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72
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41 override bool checkSideEffect(int flag)
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0
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42 {
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43 return true;
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44 }
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45
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72
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46 override elem* toElem(IRState* irs)
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0
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47 {
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48 elem *e;
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49
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50 e = el_calloc();
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51 e.Ety = TYvoid;
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52 e.Eoper = OPhalt;
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53 el_setLoc(e,loc);
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54 return e;
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55 }
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56 }
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57
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