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1 module dmd.WhileStatement;
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2
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3 import dmd.Statement;
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4 import dmd.Expression;
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5 import dmd.Scope;
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6 import dmd.InterState;
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7 import dmd.HdrGenState;
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8 import dmd.OutBuffer;
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9 import dmd.InlineScanState;
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10 import dmd.IRState;
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11 import dmd.Loc;
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12 import dmd.BE;
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13 import dmd.ForStatement;
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14
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15 class WhileStatement : Statement
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16 {
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17 Expression condition;
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18 Statement body_;
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19
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20 this(Loc loc, Expression c, Statement b)
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21 {
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22 super(loc);
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23 condition = c;
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24 body_ = b;
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25 }
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26
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27 Statement syntaxCopy()
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28 {
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29 WhileStatement s = new WhileStatement(loc, condition.syntaxCopy(), body_ ? body_.syntaxCopy() : null);
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30 return s;
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31 }
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32
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33 Statement semantic(Scope sc)
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34 {
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35 /* Rewrite as a for(;condition;) loop
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36 */
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37
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38 Statement s = new ForStatement(loc, null, condition, null, body_);
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39 s = s.semantic(sc);
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40 return s;
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41 }
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42
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43 bool hasBreak()
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44 {
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45 return true;
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46 }
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47
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48 bool hasContinue()
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49 {
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50 assert(false);
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51 }
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52
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53 bool usesEH()
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54 {
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55 assert(false);
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56 }
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57
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58 BE blockExit()
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59 {
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60 assert(false);
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61 }
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62
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63 bool comeFrom()
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64 {
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65 assert(false);
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66 }
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67
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68 Expression interpret(InterState istate)
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69 {
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70 assert(false);
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71 }
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72
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73 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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74 {
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75 assert(false);
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76 }
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77
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78 Statement inlineScan(InlineScanState* iss)
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79 {
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80 assert(false);
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81 }
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82
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83 void toIR(IRState* irs)
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84 {
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85 assert(false);
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86 }
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87 } |
