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Subject: Re: Life time of AST elements.
To: cygwin AT cygwin DOT com
References: <561BA976 DOT 6050405 AT razorcat DOT de>
From: Frank Redeker <f DOT redeker AT razorcat DOT de>
Message-ID: <561BAA3B.2080301@razorcat.de>
Date: Mon, 12 Oct 2015 14:40:27 +0200
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Am 12.10.2015 um 14:37 schrieb Frank Redeker:
> Hello all,
> 
> I'm writing a tool to analyze the call hierarchy of functions (methods)
> using ClangTool.
> 
> My idea is to collect the TranslationUnitDecls given to my own
> ASTCosumer's HandleTranslationUnit method and traverse them later when
> ClangTool.run() has finished.
> 
> But it seems that the AST nodes are no longer valid after
> ClangTool.run() has returned. (e.g. If I call getQualifiedNameAsString()
> on a FunctionDecl object retrieved from the TranslationUnitDecl, I get
> `Assertion failed: DC && "This decl is not contained in a translation
> unit!"`)
> 
> So I wonder if there is any trick to extend the life time for the AST or
> should I use ClangTool.buildAST() rather then ClangTool.run() to get the
> ASTs ?
> 
Sorry,

wrong mailing list!


Frank


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