1 | // TODO: add error cases (e.g., use of field constructors for managed types, etc.)
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2 |
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3 | enum Color { R, G, B };
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4 |
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5 | // empty struct/union should have generated ctor/dtors
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6 | union U {};
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7 | struct S {};
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8 |
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9 | struct SimpleUnion {
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10 | int x;
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11 | double y;
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12 | char z;
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13 | };
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14 |
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15 | struct SimpleStruct {
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16 | int x;
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17 | double y;
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18 | char z;
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19 | };
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20 |
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21 | // struct/union with members with generated ctor/dtors should themselves have generated ctor/dtors
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22 | union PopulatedUnion {
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23 | Color c;
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24 | U u;
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25 | S s;
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26 | };
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27 |
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28 | struct PopulatedStruct {
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29 | Color c;
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30 | U u;
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31 | S s;
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32 | };
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33 |
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34 | // dtype-static generic type is otype
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35 | forall(dtype T)
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36 | struct DtypeStaticStruct {
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37 | T * data;
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38 | short size;
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39 | };
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40 |
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41 | forall(dtype T)
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42 | union DtypeStaticUnion {
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43 | T * data;
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44 | short size;
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45 | };
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46 |
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47 | // dynamic generic type is otype
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48 | forall(otype T)
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49 | struct DynamicStruct {
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50 | T x;
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51 | };
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52 |
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53 | forall(otype T)
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54 | union DynamicUnion {
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55 | T x;
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56 | };
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57 |
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58 | // struct/union that contains a generic type is
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59 | struct GenericContainingStruct {
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60 | DynamicStruct(int) dsi;
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61 | DynamicStruct(double) dsd;
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62 | DynamicUnion(int) dui;
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63 | DynamicUnion(double) dud;
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64 | DtypeStaticStruct(int) dssi;
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65 | DtypeStaticStruct(float) dssf;
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66 | DtypeStaticUnion(int) dsui;
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67 | DtypeStaticUnion(float) dsuf;
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68 | };
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69 |
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70 | union GenericContainingUnion {
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71 | DynamicStruct(int) dsi;
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72 | DynamicStruct(double) dsd;
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73 | DynamicUnion(int) dui;
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74 | DynamicUnion(double) dud;
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75 | DtypeStaticStruct(int) dssi;
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76 | DtypeStaticStruct(float) dssf;
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77 | DtypeStaticUnion(int) dsui;
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78 | DtypeStaticUnion(float) dsuf;
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79 | };
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80 |
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81 |
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82 | forall(otype T)
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83 | T identity(T x) { return x; }
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84 |
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85 | // can identity e if only sized or only the assertion, but the combination breaks...
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86 | // forall(dtype T | sized(T) | { void ?{}(T &); })
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87 | // void identity(T x) { }
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88 |
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89 | #if ERR1
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90 | // managed type - defines a constructor - can't use field constructors
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91 | struct Managed {
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92 | int x;
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93 | };
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94 |
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95 | void ?{}(Managed & m) { m.x = 0; }
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96 |
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97 | // managed type since it contains a managed type - can't use field constructors
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98 | struct InheritManaged {
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99 | Managed m;
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100 | };
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101 |
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102 | Managed x = { 123 }; // error
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103 | Managed y; // okay
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104 |
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105 | InheritManaged z = { y }; // error?
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106 | #endif
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107 |
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108 | int main() {
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109 | S s;
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110 | U u;
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111 | Color e;
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112 |
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113 | // identity(R); Color constant should be Color which is otype
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114 | identity(e); // Color should be an otype
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115 | identity(u); // U should be an otype
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116 | identity(s); // S should be an otype
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117 |
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118 | SimpleStruct ss;
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119 | SimpleUnion su;
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120 |
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121 | identity(ss);
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122 | identity(su);
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123 |
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124 | PopulatedStruct ps;
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125 | PopulatedUnion pu;
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126 |
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127 | identity(ps); // should recursively be an otype
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128 | identity(pu); // should recursively be an otype
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129 |
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130 | DynamicStruct(int) dsi;
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131 | DynamicStruct(double) dsd;
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132 | DynamicUnion(int) dui;
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133 | DynamicUnion(double) dud;
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134 | DtypeStaticStruct(int) dssi;
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135 | DtypeStaticStruct(float) dssf;
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136 | DtypeStaticUnion(int) dsui;
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137 | DtypeStaticUnion(float) dsuf;
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138 |
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139 | identity(dsi);
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140 | identity(dsd);
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141 | // identity(dui); // xxx - codegen errors in generated thunk _temp3 (Box-pass-generated assignment return-temporary)
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142 | // identity(dud);
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143 | identity(dssi);
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144 | identity(dssf);
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145 | identity(dsui);
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146 | identity(dsuf);
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147 |
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148 | GenericContainingStruct gcs;
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149 | GenericContainingUnion gcu;
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150 |
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151 | identity(gcs);
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152 | identity(gcu);
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153 | }
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