| 1 | /* ***** BEGIN LICENSE BLOCK *****
|
|---|
| 2 | * Version: CDDL 1.0/LGPL 2.1
|
|---|
| 3 | *
|
|---|
| 4 | * The contents of this file are subject to the COMMON DEVELOPMENT AND
|
|---|
| 5 | * DISTRIBUTION LICENSE (CDDL) Version 1.0 (the "License"); you may not use
|
|---|
| 6 | * this file except in compliance with the License. You may obtain a copy of
|
|---|
| 7 | * the License at http://www.sun.com/cddl/
|
|---|
| 8 | *
|
|---|
| 9 | * Software distributed under the License is distributed on an "AS IS" basis,
|
|---|
| 10 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|---|
| 11 | * for the specific language governing rights and limitations under the
|
|---|
| 12 | * License.
|
|---|
| 13 | *
|
|---|
| 14 | * The Original Code is "NOM" Netlabs Object Model
|
|---|
| 15 | *
|
|---|
| 16 | * The Initial Developer of the Original Code is
|
|---|
| 17 | * netlabs.org: Chris Wohlgemuth <cinc-ml@netlabs.org>.
|
|---|
| 18 | * Portions created by the Initial Developer are Copyright (C) 2005-2006
|
|---|
| 19 | * the Initial Developer. All Rights Reserved.
|
|---|
| 20 | *
|
|---|
| 21 | * Contributor(s):
|
|---|
| 22 | *
|
|---|
| 23 | * Alternatively, the contents of this file may be used under the terms of
|
|---|
| 24 | * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
|
|---|
| 25 | * case the provisions of the LGPL are applicable instead of those above. If
|
|---|
| 26 | * you wish to allow use of your version of this file only under the terms of
|
|---|
| 27 | * the LGPL, and not to allow others to use your version of this file under
|
|---|
| 28 | * the terms of the CDDL, indicate your decision by deleting the provisions
|
|---|
| 29 | * above and replace them with the notice and other provisions required by the
|
|---|
| 30 | * LGPL. If you do not delete the provisions above, a recipient may use your
|
|---|
| 31 | * version of this file under the terms of any one of the CDDL or the LGPL.
|
|---|
| 32 | *
|
|---|
| 33 | * ***** END LICENSE BLOCK ***** */
|
|---|
| 34 |
|
|---|
| 35 | #define INCL_DOS
|
|---|
| 36 | #define INCL_DOSERRORS
|
|---|
| 37 |
|
|---|
| 38 | #include <os2.h>
|
|---|
| 39 | #include <stdio.h>
|
|---|
| 40 |
|
|---|
| 41 | #include <glib.h>
|
|---|
| 42 | #define SOM_NO_OBJECTS /* Otherwise som.h includes the IBM SOM classes */
|
|---|
| 43 |
|
|---|
| 44 | /* For somToken etc. */
|
|---|
| 45 | #include <nom.h>
|
|---|
| 46 | #include <nomtk.h>
|
|---|
| 47 | #include <nomobj.h>
|
|---|
| 48 |
|
|---|
| 49 | /********************************************************/
|
|---|
| 50 |
|
|---|
| 51 | /* Define if you want to have messages from somBuildClass() and friends */
|
|---|
| 52 | //#define DEBUG_NOMBUILDCLASS
|
|---|
| 53 | /* Define if you want to have messages from building NOMObject */
|
|---|
| 54 | //#define DEBUG_BUILDNOMOBJECT
|
|---|
| 55 | /* Define if you want to have messages from building NOMClass */
|
|---|
| 56 | //#define DEBUG_BUILDNOMCLASS
|
|---|
| 57 |
|
|---|
| 58 | #ifdef DEBUG_BUILDNOMCLASS
|
|---|
| 59 | #define BUILDNOMCLASS_ENTER nomPrintf("\n%d: *** entering %s...\n",__LINE__, __FUNCTION__);
|
|---|
| 60 | #define BUILDNOMCLASS_LEAVE nomPrintf("%d: *** Leaving %s...\n\n",__LINE__, __FUNCTION__);
|
|---|
| 61 | #else
|
|---|
| 62 | #define BUILDNOMCLASS_ENTER
|
|---|
| 63 | #define BUILDNOMCLASS_LEAVE
|
|---|
| 64 | #endif
|
|---|
| 65 |
|
|---|
| 66 | /********************************************************/
|
|---|
| 67 |
|
|---|
| 68 | /********************************************************/
|
|---|
| 69 |
|
|---|
| 70 | extern PNOM_ENV pGlobalNomEnv;
|
|---|
| 71 | extern ULONG thunk[];
|
|---|
| 72 | extern ULONG mThunkCode[];
|
|---|
| 73 |
|
|---|
| 74 | /********************************************************/
|
|---|
| 75 |
|
|---|
| 76 | /*
|
|---|
| 77 | Create the SOMClassPriv structure and fill it with info
|
|---|
| 78 | from the sci. This is a general function when building classes.
|
|---|
| 79 |
|
|---|
| 80 | This function does
|
|---|
| 81 |
|
|---|
| 82 | -allocate the memory for the struct depending on the sci info
|
|---|
| 83 | -creates the mtab in this memory
|
|---|
| 84 | -fills all the necessary pointers in the mtab
|
|---|
| 85 | -fills the method addresses in the mtab
|
|---|
| 86 |
|
|---|
| 87 | It does not insert a class object pointer!
|
|---|
| 88 |
|
|---|
| 89 | */
|
|---|
| 90 | static NOMClassPriv *buildNOMClassPrivStruct(nomStaticClassInfo *sci, NOMClassPriv *ncpParent)
|
|---|
| 91 | {
|
|---|
| 92 | gulong gulParentDataSize=0;
|
|---|
| 93 | gulong mtabSize;
|
|---|
| 94 | gulong gulMemSize=0;
|
|---|
| 95 | NOMClassPriv *nClass;
|
|---|
| 96 |
|
|---|
| 97 | BUILDNOMCLASS_ENTER
|
|---|
| 98 |
|
|---|
| 99 | /* ulMemsize will be the size of our private class structure SOMClassPriv */
|
|---|
| 100 | gulMemSize=sizeof(NOMClassPriv)-sizeof(nomMethodTab); /* start size class struct. somMethodTab will be calculated later */
|
|---|
| 101 |
|
|---|
| 102 | /* Calculate size of new class object */
|
|---|
| 103 | #ifdef DEBUG_BUILDNOMCLASS
|
|---|
| 104 | nomPrintf("%d: ncParent->mtab->mtabSize: %d\n", __LINE__, ncpParent->mtab->mtabSize);
|
|---|
| 105 | #endif
|
|---|
| 106 |
|
|---|
| 107 | mtabSize=ncpParent->mtab->mtabSize+sizeof(nomMethodProc*)*(sci->ulNumStaticMethods)+sizeof(NOMClass*);/* numStaticMethods is correct here!
|
|---|
| 108 | NOT numStaticMethods-1!
|
|---|
| 109 | entries[0] in fact contains the
|
|---|
| 110 | class pointer not a method
|
|---|
| 111 | pointer. */
|
|---|
| 112 | gulMemSize+=mtabSize; /* add space for new procs and the new class pointer in addition to parent stuff */
|
|---|
| 113 |
|
|---|
| 114 | gulParentDataSize=ncpParent->mtab->ulInstanceSize; /* Parent instance size. This is the mtab pointer + instance vars */
|
|---|
| 115 |
|
|---|
| 116 | #ifdef DEBUG_BUILDNOMCLASS
|
|---|
| 117 | nomPrintf("%d: mtabSize is: %d, ulParentDataSize is: %d (instance vars + mtab ptr)\n",
|
|---|
| 118 | __LINE__, mtabSize, gulParentDataSize);
|
|---|
| 119 | nomPrintf("%d: sci->numStaticMethods: %d\n", __LINE__, sci->ulNumStaticMethods);
|
|---|
| 120 | #endif
|
|---|
| 121 |
|
|---|
| 122 | /* Alloc private class struct using SOMCalloc. */
|
|---|
| 123 | if((nClass=(NOMClassPriv*)NOMCalloc(1, gulMemSize))==NULLHANDLE)
|
|---|
| 124 | return NULLHANDLE;
|
|---|
| 125 |
|
|---|
| 126 | /* Get mem for method thunking code */
|
|---|
| 127 | nClass->mThunk=NOMMalloc(sizeof(nomMethodThunk)*sci->ulNumStaticMethods);
|
|---|
| 128 | if(!nClass->mThunk) {
|
|---|
| 129 | NOMFree(nClass);
|
|---|
| 130 | return NULLHANDLE;
|
|---|
| 131 | }
|
|---|
| 132 |
|
|---|
| 133 | /* The size of each instance of this class. A NOM object has a method tab pointer
|
|---|
| 134 | at the beginning followed by the instance variables. */
|
|---|
| 135 | nClass->ulClassSize=sci->ulInstanceDataSize+gulParentDataSize;
|
|---|
| 136 | nClass->ulPrivClassSize=gulMemSize; /* This will not be seen by any user */
|
|---|
| 137 |
|
|---|
| 138 | /* Add class struct of this class and the parent one.
|
|---|
| 139 | This includes resolving the method adresses of our new class
|
|---|
| 140 | (parent ones are already resolved) including adding the thunking
|
|---|
| 141 | code . This is essentially done by just copying the parents
|
|---|
| 142 | mtab-entries[] to our new one before adding our own methods.
|
|---|
| 143 | sci will be saved in nClass->sci */
|
|---|
| 144 | #warning !!!!! Move mem alloc for thunking into this func !!!!!
|
|---|
| 145 | addMethodAndDataToThisPrivClassStruct( nClass, ncpParent, sci);
|
|---|
| 146 |
|
|---|
| 147 | /**********************************/
|
|---|
| 148 | /* Fill methodtable mtab */
|
|---|
| 149 | /**********************************/
|
|---|
| 150 | nClass->mtab->mtabSize=mtabSize;
|
|---|
| 151 | nClass->mtab->nomClsInfo=(nomClassInfo*)nClass; /* Hold a pointer to the private data that is this NOMClassPriv */
|
|---|
| 152 | #warning !!!!! Change this when nomId is a GQuark !!!!!
|
|---|
| 153 | nClass->mtab->nomClassName=*sci->nomClassId;
|
|---|
| 154 | nClass->mtab->ulInstanceSize=sci->ulInstanceDataSize+gulParentDataSize; /* Size of instance data of this class and all
|
|---|
| 155 | parent classes + size of mtab pointer. */
|
|---|
| 156 |
|
|---|
| 157 | //#warning !!!!!!!!! No overrride methods yet!!
|
|---|
| 158 | /* Resolve ovverrides if any */
|
|---|
| 159 | priv_resolveOverrideMethods(nClass, sci);
|
|---|
| 160 |
|
|---|
| 161 | BUILDNOMCLASS_LEAVE
|
|---|
| 162 | return nClass;
|
|---|
| 163 | }
|
|---|
| 164 |
|
|---|
| 165 |
|
|---|
| 166 | /*
|
|---|
| 167 | Build NOMClass. This function will only called once when bootstrapping the object system.
|
|---|
| 168 |
|
|---|
| 169 | NOMClass the root of all Meta classes. This will also become the meta class of NOMObject, we
|
|---|
| 170 | already created. This is done by updating NOMObject when all the structures for NOMClass
|
|---|
| 171 | are created and filled with info.
|
|---|
| 172 | */
|
|---|
| 173 | NOMClass * NOMLINK priv_buildNOMClass(gulong ulReserved,
|
|---|
| 174 | nomStaticClassInfo *sci,
|
|---|
| 175 | gulong majorVersion,
|
|---|
| 176 | gulong minorVersion)
|
|---|
| 177 | {
|
|---|
| 178 | NOMClassPriv *nClass;
|
|---|
| 179 | gulong ulParentDataSize=0;
|
|---|
| 180 | NOMClassPriv *ncpParent;
|
|---|
| 181 | NOMClass *nomClass;
|
|---|
| 182 |
|
|---|
| 183 | #ifdef DEBUG_BUILDNOMCLASS
|
|---|
| 184 | nomParentMtabStructPtr pParentMtab;
|
|---|
| 185 | nomMethodTabs psmTab;
|
|---|
| 186 | nomPrintf("\n%d: Entering %s\n", __LINE__, __FUNCTION__);
|
|---|
| 187 | _dumpSci(sci);
|
|---|
| 188 | #endif
|
|---|
| 189 |
|
|---|
| 190 | /* We don't support replacing NOMObject so we don't have to search
|
|---|
| 191 | the class list for the current parent but just take the NOMClassPriv
|
|---|
| 192 | pointer of NOMObject we saved in the NOM env. Be aware that this structure
|
|---|
| 193 | doesn't have a class object pointer yet. We won't use it but just
|
|---|
| 194 | as a remark if you want to screw this code... */
|
|---|
| 195 | if(pGlobalNomEnv->ncpNOMObject)
|
|---|
| 196 | ncpParent=pGlobalNomEnv->ncpNOMObject;
|
|---|
| 197 | else{
|
|---|
| 198 | g_error("No NOMObject while trying to build NOMClass."); /* This will result in a termination of the app! */
|
|---|
| 199 | return NULLHANDLE; /* NOMClass *must* have an object as parent!
|
|---|
| 200 | We won't reach this point */
|
|---|
| 201 | }
|
|---|
| 202 |
|
|---|
| 203 | #ifdef DEBUG_BUILDNOMCLASS
|
|---|
| 204 | pParentMtab=&ncpParent->parentMtabStruct;
|
|---|
| 205 | nomPrintf(" %d: parent priv class: %s (%x), pParentMtab->mtab %x, next: %x\n",
|
|---|
| 206 | __LINE__, ncpParent->mtab->nomClassName,
|
|---|
| 207 | ncpParent, pParentMtab->mtab, pParentMtab->next);
|
|---|
| 208 | /* climb parent list */
|
|---|
| 209 | psmTab=pParentMtab->next;
|
|---|
| 210 | while(psmTab) {
|
|---|
| 211 | nomPrintf(" next class: %s\n", psmTab->mtab->nomClassName);
|
|---|
| 212 | psmTab=psmTab->next;
|
|---|
| 213 | }
|
|---|
| 214 | #endif
|
|---|
| 215 |
|
|---|
| 216 | /* Build the NOMClassPriv for NOMClass */
|
|---|
| 217 | if((nClass=buildNOMClassPrivStruct(sci, ncpParent))==NULLHANDLE)
|
|---|
| 218 | return NULLHANDLE;
|
|---|
| 219 |
|
|---|
| 220 | ulParentDataSize=ncpParent->mtab->ulInstanceSize; /* Parent instance size. This is the mtab pointer + instance vars */
|
|---|
| 221 | //nomPrintf("%s line %d: SOMClassPriv: %x ulParentDataSize %d\n", __FILE__, __LINE__, nClass, sci->ulInstanceDataSize+ulParentDataSize);
|
|---|
| 222 |
|
|---|
| 223 | /* And now the NOMClass struct. A NOMClass has a mTab pointer at the beginning and the instance data
|
|---|
| 224 | following (including the parent instance data).*/
|
|---|
| 225 | if((nomClass=(NOMClass*)NOMCalloc(1, sci->ulInstanceDataSize+ulParentDataSize))==NULLHANDLE) {
|
|---|
| 226 | NOMFree(nClass->mThunk);
|
|---|
| 227 | NOMFree(nClass);
|
|---|
| 228 | return NULLHANDLE;
|
|---|
| 229 | }
|
|---|
| 230 |
|
|---|
| 231 | nomClass->mtab=nClass->mtab; /* Now it's an object */
|
|---|
| 232 |
|
|---|
| 233 | nClass->mtab->nomClassObject=nomClass;
|
|---|
| 234 | sci->nomCds->nomClassObject=nomClass; /* Put class pointer in static struct. Meta class of SOMClass is SOMClass */
|
|---|
| 235 | *nClass->entries0=nomClass;
|
|---|
| 236 | /* Mark that we are a metaclass */
|
|---|
| 237 | nClass->ulIsMetaClass=1;
|
|---|
| 238 |
|
|---|
| 239 | fillCClassDataStructParentMtab(sci, nClass, nomClass);
|
|---|
| 240 |
|
|---|
| 241 |
|
|---|
| 242 | /*
|
|---|
| 243 | Note:
|
|---|
| 244 |
|
|---|
| 245 | SOMClass is almost ready now. What's missing is the class object for SOMObject (which is SOMClass
|
|---|
| 246 | derived from). The class object pointer must be found in mtab->entries[0]. We have to create
|
|---|
| 247 | a class object for SOMObject now, update it properly put the pointer into our mtab and update
|
|---|
| 248 | the already built SOMObject.
|
|---|
| 249 | */
|
|---|
| 250 |
|
|---|
| 251 |
|
|---|
| 252 | /* The NOMClass is built. Insert it as meta class into the NOMObject class.
|
|---|
| 253 | The instance vars must be properly setup otherwise this object won't be
|
|---|
| 254 | able to create instances. Put it as the class object into the static
|
|---|
| 255 | class data sturcture of NOMObject. Update the mtab of our just built
|
|---|
| 256 | SOMClass. */
|
|---|
| 257 | nomClass->mtab->entries[0]=
|
|---|
| 258 | (nomMethodProc*) createNOMObjectClassObjectAndUpdateNOMObject(nomClass, nClass,
|
|---|
| 259 | sci->ulInstanceDataSize+ulParentDataSize);
|
|---|
| 260 |
|
|---|
| 261 | pGlobalNomEnv->nomObjectMetaClass=(NOMClass*)nomClass->mtab->entries[0];
|
|---|
| 262 |
|
|---|
| 263 | #ifdef DEBUG_BUILDNOMCLASS
|
|---|
| 264 | nomPrintf("%d: mtab: %x New class ptr (class object SOMClass): %x (SOMClassPriv: %x) for %s\n",
|
|---|
| 265 | __LINE__, nomClass->mtab, nomClass, nClass, *sci->nomClassId);
|
|---|
| 266 | #endif
|
|---|
| 267 |
|
|---|
| 268 | pGlobalNomEnv->defaultMetaClass=nomClass;
|
|---|
| 269 |
|
|---|
| 270 | #warning !!!!! _nomSetInstanceSize() not called !!!!!
|
|---|
| 271 | #if 0
|
|---|
| 272 | /* Set this class size into instance var */
|
|---|
| 273 | _somSetInstanceSize(somClass, sClass->ulClassSize /* sci->instanceDataSize+ulParentDataSize*/ ); /* This includes exactly one mtab pointer */
|
|---|
| 274 | #endif
|
|---|
| 275 |
|
|---|
| 276 |
|
|---|
| 277 | /* Run initialization code if any */
|
|---|
| 278 | _nomInit(nomClass, NULLHANDLE);
|
|---|
| 279 | return nomClass;
|
|---|
| 280 | }
|
|---|
| 281 |
|
|---|
| 282 |
|
|---|
| 283 |
|
|---|
| 284 |
|
|---|
| 285 |
|
|---|
