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<html><head></head><body><div style="font-size: 12pt; font-family: Calibri,sans-serif;"><div>Hi,</div><div>I've always used the getLocStart method to insert text at the beginning of a stmt.</div><div><br></div><div>Cheers,</div><div>Sam</div><div><br></div><div>Sam Parker</div><div>Research Student</div><div>Electronic Systems Design Group</div><div>School of Electronic, Electrical and Systems Engineering</div><div>Loughborough University</div><br><div id="htc_header">----- Reply message -----<br>From: "flappybird" <kingsleynj@163.com><br>To: <cfe-dev@cs.uiuc.edu><br>Subject: [cfe-dev]How to get the Location of SystemFunction，I used the SourceLocation and miss some trouble<br>Date: Sat, May 24, 2014 12:47</div></div><br><pre style="word-wrap: break-word; white-space: pre-wrap;">hello,I try to Insert some code before a function when it was called.for
example:
char *p,*q;
strcpy(p,q);
^ ^
I want to insert some code at this two place,but I failed to handle it.
I used just like this:
VisitCallExpr(CallExpr *CE){
if(FunctionDecl *FD=CE->getDirectCallee())
{
...
SourceRange sr = FD->getSourceRange();
SourceLocation ST1 = sr.getBegin();
...
}
}
but I found it make no difference when I used Rewrite.InsertText(ST1,
tempfc, true, true);
trying to insert some code into it.
would you please tell me what's wrong with it and show me how to some this
problem
thank you
--
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