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<body class='hmmessage'><div dir='ltr'>Hi everyone,<br><br>Today I noticed an unusual behavior when using
Clang. I found that the type of one of the arguments in a
CXXConstructExpr was different from the type that I expected.<br><br>This is the fragment of code:<br><br>void QDomAttrPrivate::setNodeValue(const QString& v)<br>{<br> <b>QDomTextPrivate *t = new QDomTextPrivate(0, this, v);</b><br> ....<br>}<br><br>The invoked constructor is:<br><i>QDomTextPrivate(QDomDocumentPrivate*, QDomNodePrivate* parent, const QString& val);</i><br><br>and this is the related AST:<br><br><font style="font-size:10pt;" size="2">| |-DeclStmt 0x7f67b329cdb8 <line:4108:5, col:57></font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | `-VarDecl 0x7f67b329c7f0 <col:5, col:56> t 'class QDomTextPrivate *'</font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | `-CXXNewExpr 0x7f67b329cd60 <col:26, col:56> 'class QDomTextPrivate *'</font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">|
| `-CXXConstructExpr 0x7f67b329cd18 <col:30, col:56> 'class
QDomTextPrivate' 'void (class QQDomDocumentPrivate *, class
QDomNodePrivate *, const class QString &)'</font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | |-ImplicitCastExpr 0x7f67b329cce0 <col:46> 'class QQDomDocumentPrivate *' <NullToPointer></font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | | `-IntegerLiteral 0x7f67b329c848 <col:46> 'int' 0</font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | |-ImplicitCastExpr 0x7f67b329ccf8 <col:49> 'class QDomNodePrivate *' <DerivedToBase (QDomNodePrivate)></font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | | `-CXXThisExpr 0x7f67b329c868 <col:49> 'class QDomAttrPrivate *' this</font><font style="font-size:10pt;" size="2"><br></font><font style="font-size:10pt;" size="2">| | `-DeclRefExpr 0x7f67b329c880 <col:55> '<b>const class QString</b>' lvalue ParmVar 0x7f67b329c560 'v' '<b>const class QString &</b>'</font><font style="font-size:8pt;" size="1"><br></font><font style="font-size:8pt;" size="1"><br></font>What<span class="ecxb1"> I</span><span class="ecxb2"> find</span><span class="ecxb3"> strange</span>
is that the type of the ParmVar 'v' loses the '&'. The problem is
that, when I compare the "getType()" of the third argument in the
CXXConstructExpr (1) and the "getType()" of the third parameter of the
constructor (2), the types do not match:<br><br>(1) const class QString<br>(2) const class QString &<br><br>Why is this happening? And what's more important, how do I sort out this issue? <br><br>Thanks. </div></body>
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