Mercurial > projects > ldc
annotate lphobos/std/moduleinit.d @ 116:fd7ad91fd713 trunk
[svn r120] ModuleInfo implementation is now almost complete.
Fixed some nasty static array-initializer bugs.
Fixed bug in DtoArrayLen and DtoArrayPtr for full slices of static arrays.
| author | lindquist |
|---|---|
| date | Sun, 25 Nov 2007 18:55:52 +0100 |
| parents | ccca1c13e13a |
| children | 56a21f3e5d3e |
| rev | line source |
|---|---|
| 89 | 1 // Modified for LLVMDC |
| 2 | |
| 3 module std.moduleinit; | |
| 4 | |
| 5 //debug = 1; | |
| 6 | |
| 7 private | |
| 8 { | |
| 9 import object; | |
| 10 import std.c.stdio; | |
| 11 import std.c.stdlib; | |
| 12 } | |
| 13 | |
| 14 enum | |
| 15 { MIctorstart = 1, // we've started constructing it | |
| 16 MIctordone = 2, // finished construction | |
| 17 MIstandalone = 4, // module ctor does not depend on other module | |
| 18 // ctors being done first | |
| 19 } | |
| 20 | |
|
116
fd7ad91fd713
[svn r120] ModuleInfo implementation is now almost complete.
lindquist
parents:
89
diff
changeset
|
21 // had to move the class to object.d, as its declaration is needed in the compiler code, |
|
fd7ad91fd713
[svn r120] ModuleInfo implementation is now almost complete.
lindquist
parents:
89
diff
changeset
|
22 // otherwise the DMDFE Module::moduleinfo member is NULL |
| 89 | 23 |
| 24 class ModuleCtorError : Exception | |
| 25 { | |
| 26 this(ModuleInfo m) | |
| 27 { | |
| 28 super("circular initialization dependency with module " ~ m.name); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 | |
| 33 // Win32: this gets initialized by minit.asm | |
| 34 // linux: this gets initialized in _moduleCtor() | |
| 35 extern (C) ModuleInfo[] _moduleinfo_array; | |
| 36 | |
| 37 version (linux) | |
| 38 { | |
| 39 // This linked list is created by a compiler generated function inserted | |
| 40 // into the .ctor list by the compiler. | |
| 41 struct ModuleReference | |
| 42 { | |
| 43 ModuleReference* next; | |
| 44 ModuleInfo mod; | |
| 45 } | |
| 46 | |
| 47 extern (C) ModuleReference *_Dmodule_ref; // start of linked list | |
| 48 } | |
| 49 | |
| 50 ModuleInfo[] _moduleinfo_dtors; | |
| 51 uint _moduleinfo_dtors_i; | |
| 52 | |
| 53 // Register termination function pointers | |
| 54 extern (C) int _fatexit(void *); | |
| 55 | |
| 56 /************************************* | |
| 57 * Initialize the modules. | |
| 58 */ | |
| 59 | |
| 60 extern (C) void _moduleCtor() | |
| 61 { | |
| 62 debug printf("_moduleCtor()\n"); | |
| 63 version (linux) | |
| 64 { | |
| 65 int len = 0; | |
| 66 ModuleReference *mr; | |
| 67 | |
| 68 for (mr = _Dmodule_ref; mr; mr = mr.next) | |
| 69 len++; | |
| 70 _moduleinfo_array = new ModuleInfo[len]; | |
| 71 len = 0; | |
| 72 for (mr = _Dmodule_ref; mr; mr = mr.next) | |
| 73 { _moduleinfo_array[len] = mr.mod; | |
| 74 len++; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 version (Win32) | |
| 79 { | |
| 80 // Ensure module destructors also get called on program termination | |
| 81 //_fatexit(&_STD_moduleDtor); | |
| 82 } | |
| 83 | |
| 84 _moduleinfo_dtors = new ModuleInfo[_moduleinfo_array.length]; | |
| 85 debug printf("_moduleinfo_dtors = x%x\n", cast(void *)_moduleinfo_dtors); | |
| 86 _moduleCtor2(_moduleinfo_array, 0); | |
| 87 | |
| 88 version (none) | |
| 89 { | |
| 90 foreach (m; _moduleinfo_array) | |
| 91 { | |
| 92 writefln("module %s, %d", m.name, m.localClasses.length); | |
| 93 foreach (c; m.localClasses) | |
| 94 { | |
| 95 writefln("\tclass %s", c.name); | |
| 96 } | |
| 97 } | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 void _moduleCtor2(ModuleInfo[] mi, int skip) | |
| 102 { | |
| 103 debug printf("_moduleCtor2(): %d modules\n", mi.length); | |
| 104 for (uint i = 0; i < mi.length; i++) | |
| 105 { | |
| 106 ModuleInfo m = mi[i]; | |
| 107 | |
| 108 debug printf("\tmodule[%d] = '%p'\n", i, m); | |
| 109 if (!m) | |
| 110 continue; | |
| 111 debug printf("\tmodule[%d] = '%.*s'\n", i, m.name); | |
| 112 if (m.flags & MIctordone) | |
| 113 continue; | |
| 114 debug printf("\tmodule[%d] = '%.*s', m = x%x\n", i, m.name, m); | |
| 115 | |
| 116 if (m.ctor || m.dtor) | |
| 117 { | |
| 118 if (m.flags & MIctorstart) | |
| 119 { if (skip || m.flags & MIstandalone) | |
| 120 continue; | |
| 121 throw new ModuleCtorError(m); | |
| 122 } | |
| 123 | |
| 124 m.flags |= MIctorstart; | |
| 125 _moduleCtor2(m.importedModules, 0); | |
| 126 if (m.ctor) | |
| 127 (*m.ctor)(); | |
| 128 m.flags &= ~MIctorstart; | |
| 129 m.flags |= MIctordone; | |
| 130 | |
| 131 // Now that construction is done, register the destructor | |
| 132 //printf("\tadding module dtor x%x\n", m); | |
| 133 assert(_moduleinfo_dtors_i < _moduleinfo_dtors.length); | |
| 134 _moduleinfo_dtors[_moduleinfo_dtors_i++] = m; | |
| 135 } | |
| 136 else | |
| 137 { | |
| 138 m.flags |= MIctordone; | |
| 139 _moduleCtor2(m.importedModules, 1); | |
| 140 } | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 | |
| 145 /********************************** | |
| 146 * Destruct the modules. | |
| 147 */ | |
| 148 | |
| 149 // Starting the name with "_STD" means under linux a pointer to the | |
| 150 // function gets put in the .dtors segment. | |
| 151 | |
| 152 extern (C) void _moduleDtor() | |
| 153 { | |
| 154 debug printf("_moduleDtor(): %d modules\n", _moduleinfo_dtors_i); | |
| 155 for (uint i = _moduleinfo_dtors_i; i-- != 0;) | |
| 156 { | |
| 157 ModuleInfo m = _moduleinfo_dtors[i]; | |
| 158 | |
| 159 debug printf("\tmodule[%d] = '%.*s', x%x\n", i, m.name, m); | |
| 160 if (m.dtor) | |
| 161 { | |
| 162 (*m.dtor)(); | |
| 163 } | |
| 164 } | |
| 165 debug printf("_moduleDtor() done\n"); | |
| 166 } | |
| 167 | |
| 168 /********************************** | |
| 169 * Run unit tests. | |
| 170 */ | |
| 171 | |
| 172 extern (C) void _moduleUnitTests() | |
| 173 { | |
| 174 debug printf("_moduleUnitTests()\n"); | |
| 175 for (uint i = 0; i < _moduleinfo_array.length; i++) | |
| 176 { | |
| 177 ModuleInfo m = _moduleinfo_array[i]; | |
| 178 | |
| 179 if (!m) | |
| 180 continue; | |
| 181 | |
| 182 debug printf("\tmodule[%d] = '%.*s'\n", i, m.name); | |
| 183 if (m.unitTest) | |
| 184 { | |
| 185 (*m.unitTest)(); | |
| 186 } | |
| 187 } | |
| 188 } | |
| 189 |