Mercurial > projects > ddmd
annotate dmd/TypeidExp.d @ 192:eb38fdcb3e62 default tip
updated to compile with dmd2.062
author | korDen |
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date | Sat, 02 Mar 2013 01:25:52 -0800 |
parents | b0d41ff5e0df |
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rev | line source |
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72 | 1 module dmd.TypeidExp; |
2 | |
114 | 3 import dmd.common; |
72 | 4 import dmd.Expression; |
5 import dmd.Type; | |
6 import dmd.OutBuffer; | |
7 import dmd.Loc; | |
8 import dmd.Scope; | |
9 import dmd.HdrGenState; | |
10 import dmd.TOK; | |
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11 import dmd.Dsymbol; |
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12 import dmd.TY; |
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13 import dmd.Id; |
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14 import dmd.ErrorExp; |
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15 import dmd.DotIdExp; |
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16 import dmd.CommaExp; |
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17 import dmd.templates.Util; |
72 | 18 |
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19 import dmd.DDMDExtensions; |
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20 |
0 | 21 class TypeidExp : Expression |
22 { | |
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23 mixin insertMemberExtension!(typeof(this)); |
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24 |
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25 Object obj; |
0 | 26 |
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27 this(Loc loc, Object o) |
0 | 28 { |
178 | 29 register(); |
0 | 30 super(loc, TOK.TOKtypeid, TypeidExp.sizeof); |
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31 this.obj = o; |
0 | 32 } |
72 | 33 |
34 override Expression syntaxCopy() | |
0 | 35 { |
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36 return new TypeidExp(loc, objectSyntaxCopy(obj)); |
0 | 37 } |
38 | |
72 | 39 override Expression semantic(Scope sc) |
0 | 40 { |
41 Expression e; | |
42 | |
43 version (LOGSEMANTIC) { | |
135 | 44 printf("TypeidExp.semantic() %s\n", toChars()); |
0 | 45 } |
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46 Type ta = isType(obj); |
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47 Expression ea = isExpression(obj); |
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48 Dsymbol sa = isDsymbol(obj); |
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49 |
135 | 50 //printf("ta %p ea %p sa %p\n", ta, ea, sa); |
51 | |
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52 if (ta) |
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53 { |
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54 ta.resolve(loc, sc, &ea, &ta, &sa); |
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55 } |
135 | 56 |
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57 if (ea) |
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58 { |
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59 ea = ea.semantic(sc); |
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60 ea = resolveProperties(sc, ea); |
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61 ta = ea.type; |
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62 if (ea.op == TOKtype) |
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63 ea = null; |
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64 } |
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65 |
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66 if (!ta) |
135 | 67 { |
68 //printf("ta %p ea %p sa %p\n", ta, ea, sa); | |
69 error("no type for typeid(%s)", ea ? ea.toChars() : (sa ? sa.toChars() : "")); | |
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70 return new ErrorExp(); |
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71 } |
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72 |
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73 if (ea && ta.toBasetype().ty == TY.Tclass) |
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74 { /* Get the dynamic type, which is .classinfo |
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75 */ |
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76 e = new DotIdExp(ea.loc, ea, Id.classinfo_); |
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77 e = e.semantic(sc); |
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78 } |
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79 else |
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80 { /* Get the static type |
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81 */ |
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82 e = ta.getTypeInfo(sc); |
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83 if (e.loc.linnum == 0) |
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84 e.loc = loc; // so there's at least some line number info |
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85 if (ea) |
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86 { |
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87 e = new CommaExp(loc, ea, e); // execute ea |
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88 e = e.semantic(sc); |
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89 } |
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90 } |
0 | 91 return e; |
92 } | |
93 | |
72 | 94 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
0 | 95 { |
96 assert(false); | |
97 } | |
98 } | |
99 |