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72
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1 module dmd.TypeInfoTypedefDeclaration;
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2
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3 import dmd.Type;
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0
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4 import dmd.TypeInfoDeclaration;
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5 import dmd.TypedefDeclaration;
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6 import dmd.TypeTypedef;
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7 import dmd.TY;
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72
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8 import dmd.Loc;
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0
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9 import dmd.backend.dt_t;
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10 import dmd.backend.TYM;
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72
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11 import dmd.backend.Util;
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0
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12
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13 import std.string;
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72
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14
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0
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15 class TypeInfoTypedefDeclaration : TypeInfoDeclaration
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16 {
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17 this(Type tinfo)
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18 {
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19 super(tinfo, 0);
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73
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20 type = Type.typeinfotypedef.type;
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0
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21 }
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22
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72
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23 override void toDt(dt_t** pdt)
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0
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24 {
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25 //printf("TypeInfoTypedefDeclaration.toDt() %s\n", toChars());
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26
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27 dtxoff(pdt, Type.typeinfotypedef.toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Typedef
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28 dtdword(pdt, 0); // monitor
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29
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30 assert(tinfo.ty == Ttypedef);
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31
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32 TypeTypedef tc = cast(TypeTypedef)tinfo;
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33 TypedefDeclaration sd = tc.sym;
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34 //printf("basetype = %s\n", sd.basetype.toChars());
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35
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36 /* Put out:
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37 * TypeInfo base;
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38 * char[] name;
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39 * void[] m_init;
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40 */
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41
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42 sd.basetype = sd.basetype.merge();
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43 sd.basetype.getTypeInfo(null); // generate vtinfo
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44 assert(sd.basetype.vtinfo);
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45 dtxoff(pdt, sd.basetype.vtinfo.toSymbol(), 0, TYnptr); // TypeInfo for basetype
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46
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47 string name = sd.toPrettyChars();
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48 size_t namelen = name.length;
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49 dtdword(pdt, namelen);
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50 dtabytes(pdt, TYnptr, 0, namelen + 1, toStringz(name));
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51
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52 // void[] init;
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53 if (tinfo.isZeroInit(Loc(0)) || !sd.init)
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54 {
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55 // 0 initializer, or the same as the base type
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56 dtdword(pdt, 0); // init.length
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57 dtdword(pdt, 0); // init.ptr
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58 }
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59 else
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60 {
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61 dtdword(pdt, cast(int)sd.type.size()); // init.length
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62 dtxoff(pdt, sd.toInitializer(), 0, TYnptr); // init.ptr
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63 }
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64 }
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65 }
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66
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