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annotate dmd/ComExp.d @ 130:60bb0fe4563e

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dmdfe 2.037 first main iteration
author Eldar Insafutdinov <e.insafutdinov@gmail.com>
date Thu, 09 Sep 2010 22:51:44 +0100
parents 9e39c7de8438
children e3afd1303184
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1 module dmd.ComExp;
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2
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3 import dmd.common;
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4 import dmd.Expression;
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5 import dmd.Identifier;
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6 import dmd.backend.elem;
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7 import dmd.UnaExp;
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8 import dmd.InterState;
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9 import dmd.OutBuffer;
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10 import dmd.Loc;
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11 import dmd.Scope;
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12 import dmd.IRState;
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13 import dmd.ArrayTypes;
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14 import dmd.TOK;
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15 import dmd.TY;
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16 import dmd.Id;
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17
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18 import dmd.backend.Util;
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19 import dmd.backend.OPER;
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20
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21 import dmd.expression.Util;
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22 import dmd.expression.Com;
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23
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24 class ComExp : UnaExp
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25 {
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26 this(Loc loc, Expression e)
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27 {
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28 super(loc, TOKtilde, ComExp.sizeof, e);
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29 }
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30
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31 override Expression semantic(Scope sc)
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32 {
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33 Expression e;
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34
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35 if (!type)
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36 {
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37 UnaExp.semantic(sc);
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38 e1 = resolveProperties(sc, e1);
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39 e = op_overload(sc);
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40 if (e)
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41 return e;
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42
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43 e1.checkNoBool();
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44 if (e1.op != TOKslice)
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45 e1 = e1.checkIntegral();
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46 type = e1.type;
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47 }
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48 return this;
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49 }
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50
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51 override Expression optimize(int result)
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52 {
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53 Expression e;
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54
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55 e1 = e1.optimize(result);
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56 if (e1.isConst() == 1)
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57 {
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58 e = Com(type, e1);
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59 }
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60 else
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61 e = this;
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62
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63 return e;
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64 }
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65
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66 override Expression interpret(InterState istate)
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67 {
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68 assert(false);
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69 }
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71 override void buildArrayIdent(OutBuffer buf, Expressions arguments)
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72 {
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73 e1.buildArrayIdent(buf, arguments);
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74 buf.writestring("Com");
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75 }
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76
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77 override Expression buildArrayLoop(Parameters fparams)
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78 {
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79 Expression ex1 = e1.buildArrayLoop(fparams);
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80 Expression e = new ComExp(Loc(0), ex1);
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81 return e;
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82 }
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84 override Identifier opId()
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85 {
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86 return Id.com;
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87 }
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89 override elem* toElem(IRState* irs)
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90 {
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91 elem *e;
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92
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93 elem *e1 = this.e1.toElem(irs);
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94 tym_t ty = type.totym();
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95 if (this.e1.type.toBasetype().ty == Tbool)
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96 e = el_bin(OPxor, ty, e1, el_long(ty, 1));
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97 else
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98 e = el_una(OPcom,ty,e1);
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99 el_setLoc(e,loc);
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100 return e;
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101 }
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102 }
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