Mercurial > projects > ldc
annotate gen/utils.h @ 1262:ec1d9dc1d32a
Fixed struct default initializers.
author | Tomas Lindquist Olsen <tomas.l.olsen gmail com> |
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date | Sat, 25 Apr 2009 18:26:54 +0200 |
parents | 79758fd2f48a |
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rev | line source |
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1 #ifndef __LDC_GEN_UTILS_H__ |
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2 #define __LDC_GEN_UTILS_H__ |
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3 |
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4 #include "root.h" |
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5 |
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6 /// Very simple templated iterator for DMD ArrayS. |
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7 template<class C> |
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8 struct ArrayIter |
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9 { |
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10 Array* array; |
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11 size_t index; |
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12 |
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13 ArrayIter(Array& arr, size_t idx = 0) |
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14 : array(&arr), index(idx) |
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15 { } |
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16 ArrayIter(Array* arr, size_t idx = 0) |
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17 : array(arr), index(idx) |
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18 { assert(arr && "null array"); } |
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19 |
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20 ArrayIter<C>& operator=(const Array& arr) |
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21 { |
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22 array = &arr; |
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23 index = 0; |
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24 return *this; |
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25 } |
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26 ArrayIter<C>& operator=(const Array* arr) |
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27 { |
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28 assert(arr && "null array"); |
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29 array = arr; |
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30 index = 0; |
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31 return *this; |
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32 } |
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33 |
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34 bool done() |
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35 { |
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36 return index >= array->dim; |
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37 } |
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38 bool more() |
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39 { |
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40 return index < array->dim; |
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41 } |
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42 |
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43 C* get() { |
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44 return static_cast<C*>(array->data[index]); |
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45 } |
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46 C* operator->() { |
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47 return get(); |
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48 } |
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49 C* operator*() { |
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50 return get(); |
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51 } |
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52 |
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53 void next() |
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54 { |
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55 ++index; |
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56 } |
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57 |
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58 bool operator==(const ArrayIter<C>& other) { |
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59 return &array->data[index] == &other.array->data[other.index]; |
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60 } |
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61 }; |
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62 |
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63 // some aliases |
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64 typedef ArrayIter<Dsymbol> DsymbolIter; |
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65 typedef ArrayIter<FuncDeclaration> FuncDeclarationIter; |
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66 typedef ArrayIter<VarDeclaration> VarDeclarationIter; |
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67 |
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68 #endif |