<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Feb 3, 2009, at 7:28 PM, Zhongxing Xu wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><br class="Apple-interchange-newline">On Wed, Feb 4, 2009 at 11:13 AM, Zhongxing Xu<span class="Apple-converted-space"> </span><span dir="ltr"><<a href="mailto:xuzhongxing@gmail.com">xuzhongxing@gmail.com</a>></span><span class="Apple-converted-space"> </span>wrote:<br><blockquote class="gmail_quote" style="border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; margin-left: 0.8ex; padding-left: 1ex; "><div class="gmail_quote"><div><div></div><div class="Wj3C7c">On Wed, Feb 4, 2009 at 11:04 AM, Zhongxing Xu<span class="Apple-converted-space"> </span><span dir="ltr"><<a href="mailto:xuzhongxing@gmail.com" target="_blank">xuzhongxing@gmail.com</a>></span><span class="Apple-converted-space"> </span>wrote:<br><blockquote class="gmail_quote" style="border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; margin-left: 0.8ex; padding-left: 1ex; ">Consider this code:<br><br>void foo(int *p) {<br> p[0] = 1;<br>}<br><br>Currently we evaluate p[0] to loc::SymbolVal. I want it to be<span class="Apple-converted-space"> </span><br>loc::MemRegionVal(ElementRegion(SymbolicRegion(SymbolRegionRValue(p)), 0)). But<br>ElementRegion assumes its super region be typed. Is this assumption too strong?</blockquote></div></div><div><br>Or, we could always know the RValue type of a symblic region?</div></div></blockquote><div><br>How about we make SymbolicRegion subclass TypedRegion?</div></span></blockquote><div><br></div><div>Sounds great to me.</div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div> Are there cases that we would have untyped SymbolicRegion?<span class="Apple-converted-space"> </span></div></span></blockquote><br></div><div>An "untyped" region could potentially just have type "void" or some similar marker.</div><br></body></html>