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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/101690/">http://git.reviewboard.kde.org/r/101690/</a>
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<p style="margin-top: 0;">On June 26th, 2011, 11:29 a.m., <b>David Nolden</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The stripPrefixes thing should be checked, because it is slow. Afterwards, ship it.</pre>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">stripPrefixes is slow or making a qualified id from a localid.toString() is slow?</pre>
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<p style="margin-top: 0;">On June 26th, 2011, 11:29 a.m., <b>David Nolden</b> wrote:</p>
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<a href="http://git.reviewboard.kde.org/r/101690/diff/2/?file=24870#file24870line511" style="color: black; font-weight: bold; text-decoration: underline;">languages/cpp/cppduchain/declarationbuilder.cpp</a>
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(Diff revision 2)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool isSpecialization(TemplateDeclaration *templDecl, TopDUContext *topContext)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">DUContext</span> <span class="o">*</span><span class="n">specFromCtxt</span> <span class="o">=</span> <span class="n">templDecl</span><span class="o">-></span><span class="n">templateContext</span><span class="p">(</span><span class="n">topContext</span><span class="p">);</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Do you deal with partial specializations here? Those have a non-empty template context.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Yes.</pre>
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<p style="margin-top: 0;">On June 26th, 2011, 11:29 a.m., <b>David Nolden</b> wrote:</p>
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<a href="http://git.reviewboard.kde.org/r/101690/diff/2/?file=24870#file24870line535" style="color: black; font-weight: bold; text-decoration: underline;">languages/cpp/cppduchain/declarationbuilder.cpp</a>
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(Diff revision 2)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool isSpecialization(TemplateDeclaration *templDecl, TopDUContext *topContext)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QualifiedIdentifier</span> <span class="n">searchId</span> <span class="o">=</span> <span class="n">Cpp</span><span class="o">::</span><span class="n">stripPrefixes</span><span class="p">(</span><span class="n">findInContext</span><span class="p">,</span> <span class="n">QualifiedIdentifier</span><span class="p">(</span><span class="n">templateId</span><span class="p">.</span><span class="n">toString</span><span class="p">()));</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Did you try without the stiprPrefixes? I doubt it is even required, because the same thing should be find with or without.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Yes, I tried, it doesn't seem to find any declarations for the function identifier. Perhaps I'm doing it wrong?</pre>
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<p style="margin-top: 0;">On June 26th, 2011, 11:29 a.m., <b>David Nolden</b> wrote:</p>
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<a href="http://git.reviewboard.kde.org/r/101690/diff/2/?file=24870#file24870line548" style="color: black; font-weight: bold; text-decoration: underline;">languages/cpp/cppduchain/declarationbuilder.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool isSpecialization(TemplateDeclaration *templDecl, TopDUContext *topContext)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/*</span><span class="cs">TODO</span><span class="cm">: it's possible to specialize a single (non-template-) function or class within a template</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I think every member of a template-class is itself based on TemplateDeclaration too, so this TODO is obsolete.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Yep, that's true.
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But before I can push this, I must ask for some assistance.
It seems that when you setSpecializedFrom on a function (or at least a non-template function of a template class), the duchain is unable to properly instantiate it, giving a borked context.
Its imported class context doesn't have any declarations, and it somehow ends up importing itself as a parent context (since it's instantiated this doesn't happen via addImportedParent context, which would catch it).
It will eventually end up in infinite recursion in cppduchain.cpp:getTemplateContext() and crash.
Is there any chance you could take a look at that? I'm not sure at all what is the normal behavior of instantiation so it's hard for me to tell where it goes wrong.
Reproduction:
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template<class Type>
struct ConstantUnaryExpressionEvaluator {
void evaluateSpecialTokens( int tokenKind, ConstantIntegralType* left ) {}
};
template<>
void ConstantUnaryExpressionEvaluator<double>::evaluateSpecialTokens( int tokenKind, ConstantIntegralType* left ) {
}
template<>
void ConstantUnaryExpressionEvaluator<float>::evaluateSpecialTokens( int tokenKind, ConstantIntegralType* left ) {
}
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If you hit the reparse button once or twice it'll give you the infinite recursion death.</pre>
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<p>- Olivier Jean de</p>
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<p>On June 22nd, 2011, 5:49 a.m., Olivier Jean de Gaalon wrote:</p>
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<div>Review request for KDevelop and David Nolden.</div>
<div>By Olivier Jean de Gaalon.</div>
<p style="color: grey;"><i>Updated June 22, 2011, 5:49 a.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Set specializedFrom for TemplateDeclarations in more cases then before.
Make expressionvisitor check specializedFrom to find type of "this".
Also adds a test that should work (works in normal usage), but in the test environment for some reason the template declarations never have a templateContext().</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=183614">183614</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>languages/cpp/cppduchain/declarationbuilder.h <span style="color: grey">(2242da2)</span></li>
<li>languages/cpp/cppduchain/declarationbuilder.cpp <span style="color: grey">(0423842)</span></li>
<li>languages/cpp/cppduchain/expressionvisitor.cpp <span style="color: grey">(eef33e3)</span></li>
<li>languages/cpp/cppduchain/tests/test_expressionparser.h <span style="color: grey">(385568f)</span></li>
<li>languages/cpp/cppduchain/tests/test_expressionparser.cpp <span style="color: grey">(22e123a)</span></li>
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<p><a href="http://git.reviewboard.kde.org/r/101690/diff/" style="margin-left: 3em;">View Diff</a></p>
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