Mercurial > projects > ldc
annotate lphobos/std/moduleinit.d @ 883:b52d5de7783f
GC defines and linkage changes.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Thu, 08 Jan 2009 18:20:02 +0100 |
| parents | eef8ac26c66c |
| children |
| rev | line source |
|---|---|
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eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
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changeset
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1 // Modified for LDC |
| 89 | 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 | |
|
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[svn r120] ModuleInfo implementation is now almost complete.
lindquist
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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
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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 | |
| 117 | 33 // this gets initialized in _moduleCtor() |
| 89 | 34 extern (C) ModuleInfo[] _moduleinfo_array; |
| 35 | |
| 117 | 36 // this method returns the linker constructed, null terminated, array of moduleinfos |
| 37 extern (C) void** _d_get_moduleinfo_array(); | |
| 89 | 38 |
| 39 ModuleInfo[] _moduleinfo_dtors; | |
| 40 uint _moduleinfo_dtors_i; | |
| 41 | |
| 42 // Register termination function pointers | |
| 43 extern (C) int _fatexit(void *); | |
| 44 | |
| 45 /************************************* | |
| 46 * Initialize the modules. | |
| 47 */ | |
| 48 | |
| 49 extern (C) void _moduleCtor() | |
| 50 { | |
| 51 debug printf("_moduleCtor()\n"); | |
| 52 int len = 0; | |
| 53 | |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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54 for (auto mr = _Dmodule_ref; mr; mr=mr.next) |
| 89 | 55 len++; |
| 56 _moduleinfo_array = new ModuleInfo[len]; | |
| 57 len = 0; | |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
117
diff
changeset
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58 for (auto mr = _Dmodule_ref; mr; mr=mr.next) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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59 { _moduleinfo_array[len] = mr.mod; |
| 89 | 60 len++; |
| 61 } | |
| 62 | |
| 63 version (Win32) | |
| 64 { | |
| 65 // Ensure module destructors also get called on program termination | |
| 66 //_fatexit(&_STD_moduleDtor); | |
| 67 } | |
| 68 | |
| 117 | 69 _moduleinfo_dtors = new ModuleInfo[len]; |
| 89 | 70 debug printf("_moduleinfo_dtors = x%x\n", cast(void *)_moduleinfo_dtors); |
| 71 _moduleCtor2(_moduleinfo_array, 0); | |
| 72 | |
| 73 version (none) | |
| 74 { | |
| 75 foreach (m; _moduleinfo_array) | |
| 76 { | |
| 77 writefln("module %s, %d", m.name, m.localClasses.length); | |
| 78 foreach (c; m.localClasses) | |
| 79 { | |
| 80 writefln("\tclass %s", c.name); | |
| 81 } | |
| 82 } | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 void _moduleCtor2(ModuleInfo[] mi, int skip) | |
| 87 { | |
| 88 debug printf("_moduleCtor2(): %d modules\n", mi.length); | |
| 89 for (uint i = 0; i < mi.length; i++) | |
| 90 { | |
| 91 ModuleInfo m = mi[i]; | |
| 92 | |
| 93 debug printf("\tmodule[%d] = '%p'\n", i, m); | |
| 94 if (!m) | |
| 95 continue; | |
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373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
117
diff
changeset
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96 debug printf("\tmodule[%d] = '%.*s'\n", i, m.name.length, m.name.ptr); |
| 89 | 97 if (m.flags & MIctordone) |
| 98 continue; | |
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373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
117
diff
changeset
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99 debug printf("\tmodule[%d] = '%.*s', m = 0x%x\n", i, m.name.length, m.name.ptr, m); |
| 89 | 100 |
| 101 if (m.ctor || m.dtor) | |
| 102 { | |
| 103 if (m.flags & MIctorstart) | |
| 104 { if (skip || m.flags & MIstandalone) | |
| 105 continue; | |
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373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
117
diff
changeset
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106 debug printf("\tmodule[%d] = '%.*s', cyclic dependency!\n", i, m.name.length, m.name.ptr); |
|
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
117
diff
changeset
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107 int x = 0; x /= x; |
| 89 | 108 throw new ModuleCtorError(m); |
| 109 } | |
| 110 | |
| 111 m.flags |= MIctorstart; | |
| 112 _moduleCtor2(m.importedModules, 0); | |
| 113 if (m.ctor) | |
| 114 (*m.ctor)(); | |
| 115 m.flags &= ~MIctorstart; | |
| 116 m.flags |= MIctordone; | |
| 117 | |
| 118 // Now that construction is done, register the destructor | |
| 119 //printf("\tadding module dtor x%x\n", m); | |
| 120 assert(_moduleinfo_dtors_i < _moduleinfo_dtors.length); | |
| 121 _moduleinfo_dtors[_moduleinfo_dtors_i++] = m; | |
| 122 } | |
| 123 else | |
| 124 { | |
| 125 m.flags |= MIctordone; | |
| 126 _moduleCtor2(m.importedModules, 1); | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 | |
| 132 /********************************** | |
| 133 * Destruct the modules. | |
| 134 */ | |
| 135 | |
| 136 // Starting the name with "_STD" means under linux a pointer to the | |
| 137 // function gets put in the .dtors segment. | |
| 138 | |
| 139 extern (C) void _moduleDtor() | |
| 140 { | |
| 141 debug printf("_moduleDtor(): %d modules\n", _moduleinfo_dtors_i); | |
| 142 for (uint i = _moduleinfo_dtors_i; i-- != 0;) | |
| 143 { | |
| 144 ModuleInfo m = _moduleinfo_dtors[i]; | |
| 145 | |
| 146 debug printf("\tmodule[%d] = '%.*s', x%x\n", i, m.name, m); | |
| 147 if (m.dtor) | |
| 148 { | |
| 149 (*m.dtor)(); | |
| 150 } | |
| 151 } | |
| 152 debug printf("_moduleDtor() done\n"); | |
| 153 } | |
| 154 | |
| 155 /********************************** | |
| 156 * Run unit tests. | |
| 157 */ | |
| 158 | |
| 159 extern (C) void _moduleUnitTests() | |
| 160 { | |
|
473
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
117
diff
changeset
|
161 debug printf("_moduleUnitTests() %i\n", _moduleinfo_array.length); |
| 89 | 162 for (uint i = 0; i < _moduleinfo_array.length; i++) |
| 163 { | |
| 164 ModuleInfo m = _moduleinfo_array[i]; | |
| 165 | |
| 166 if (!m) | |
| 167 continue; | |
| 168 | |
| 169 debug printf("\tmodule[%d] = '%.*s'\n", i, m.name); | |
| 170 if (m.unitTest) | |
| 171 { | |
| 172 (*m.unitTest)(); | |
| 173 } | |
| 174 } | |
| 175 } | |
| 176 |