72
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1 module dmd.ScopeExp;
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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.ScopeDsymbol;
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0
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7 import dmd.OutBuffer;
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72
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8 import dmd.TemplateInstance;
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9 import dmd.Loc;
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10 import dmd.TOK;
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11 import dmd.Scope;
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12 import dmd.IRState;
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0
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13 import dmd.HdrGenState;
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14 import dmd.Global;
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15 import dmd.Dsymbol;
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16 import dmd.VarExp;
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17 import dmd.DotVarExp;
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18 import dmd.DsymbolExp;
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72
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19 import dmd.Type;
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20
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0
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21 class ScopeExp : Expression
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22 {
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23 ScopeDsymbol sds;
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24
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25 this(Loc loc, ScopeDsymbol pkg)
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72
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26 {
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0
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27 super(loc, TOK.TOKimport, ScopeExp.sizeof);
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28 //printf("ScopeExp.ScopeExp(pkg = '%s')\n", pkg.toChars());
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29 //static int count; if (++count == 38) *(char*)0=0;
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30 this.sds = pkg;
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31 }
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32
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72
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33 override Expression syntaxCopy()
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0
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34 {
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35 ScopeExp se = new ScopeExp(loc, cast(ScopeDsymbol)sds.syntaxCopy(null));
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36 return se;
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37 }
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38
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72
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39 override Expression semantic(Scope sc)
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40 {
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41 TemplateInstance ti;
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42 ScopeDsymbol sds2;
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43
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44 version (LOGSEMANTIC) {
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45 printf("+ScopeExp.semantic('%s')\n", toChars());
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46 }
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47 Lagain:
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48 ti = sds.isTemplateInstance();
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49 if (ti && !global.errors)
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50 {
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51 Dsymbol s;
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52 if (!ti.semanticRun)
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53 ti.semantic(sc);
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54 s = ti.inst.toAlias();
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55 sds2 = s.isScopeDsymbol();
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56 if (!sds2)
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57 {
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58 Expression e;
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59
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60 //printf("s = %s, '%s'\n", s.kind(), s.toChars());
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61 if (ti.withsym)
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62 {
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63 // Same as wthis.s
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64 e = new VarExp(loc, ti.withsym.withstate.wthis);
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65 e = new DotVarExp(loc, e, s.isDeclaration());
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66 }
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67 else
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68 e = new DsymbolExp(loc, s);
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69
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70 e = e.semantic(sc);
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71 //printf("-1ScopeExp.semantic()\n");
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72 return e;
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73 }
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74 if (sds2 != sds)
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75 {
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76 sds = sds2;
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77 goto Lagain;
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78 }
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79 //printf("sds = %s, '%s'\n", sds.kind(), sds.toChars());
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80 }
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81 else
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82 {
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83 //printf("sds = %s, '%s'\n", sds.kind(), sds.toChars());
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84 //printf("\tparent = '%s'\n", sds.parent.toChars());
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85 sds.semantic(sc);
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86 }
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87 type = Type.tvoid;
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88 //printf("-2ScopeExp.semantic() %s\n", toChars());
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89 return this;
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90 }
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91
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72
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92 override elem* toElem(IRState* irs)
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0
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93 {
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94 assert(false);
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95 }
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96
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72
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97 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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0
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98 {
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99 if (sds.isTemplateInstance())
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100 {
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101 sds.toCBuffer(buf, hgs);
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102 }
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103 else
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104 {
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105 buf.writestring(sds.kind());
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106 buf.writestring(" ");
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107 buf.writestring(sds.toChars());
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108 }
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109 }
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110 }
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111
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