Mercurial > projects > ldc
diff tango/lib/compiler/llvmdc/cast.d @ 137:ce7b81fb957f trunk
[svn r141] fixed more problems with classinfo
moved more IR state out of the AST classes
| author | lindquist |
|---|---|
| date | Fri, 18 Jan 2008 16:42:16 +0100 |
| parents | 0e28624814e8 |
| children | 0ab29b838084 |
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--- a/tango/lib/compiler/llvmdc/cast.d Thu Jan 17 03:15:12 2008 +0100 +++ b/tango/lib/compiler/llvmdc/cast.d Fri Jan 18 16:42:16 2008 +0100 @@ -40,20 +40,24 @@ Object _d_toObject(void* p) { Object o; - + debug(PRINTF) printf("toObject(%p)\n", p); if (p) { o = cast(Object)p; + debug(PRINTF) printf("o = %p\n", o); + debug(PRINTF) printf("o.vtbl = %p\n", *cast(void**)p); ClassInfo oc = o.classinfo; + debug(PRINTF) printf("oc = %p\n", oc); Interface *pi = **cast(Interface ***)p; + debug(PRINTF) printf("pi = %p\n", pi); /* Interface.offset lines up with ClassInfo.name.ptr, * so we rely on pointers never being less than 64K, - * and Objects never being greater. + * and interface vtable offsets never being greater. */ if (pi.offset < 0x10000) { - //printf("\tpi.offset = %d\n", pi.offset); + debug(PRINTF) printf("\tpi.offset = %d\n", pi.offset); o = cast(Object)(p - pi.offset); } } @@ -70,12 +74,12 @@ Object _d_interface_cast(void* p, ClassInfo c) { Object o; - //printf("_d_interface_cast(p = %p, c = '%.*s')\n", p, c.name); + debug(PRINTF) printf("_d_interface_cast(p = %p, c = '%.*s')\n", p, c.name.length, c.name.ptr); if (p) { Interface *pi = **cast(Interface ***)p; - //printf("\tpi.offset = %d\n", pi.offset); + debug(PRINTF) printf("\tpi.offset = %d\n", pi.offset); o = cast(Object)(p - pi.offset); return _d_dynamic_cast(o, c); } @@ -94,7 +98,7 @@ oc = o.classinfo; if (_d_isbaseof2(oc, c, offset)) { - //printf("\toffset = %d\n", offset); + debug(PRINTF) printf("\toffset = %d\n", offset); o = cast(Object)(cast(void*)o + offset); } else