[cfe-dev] How to get global variables' SymbolRef?

[Jordan Rose]

On Nov 14, 2013, at 2:37 , edward jiamu <edwardjiamu at gmail.com> wrote:

> Thank you for your advice very much.
> 
> At last the problem is solved by this way:
> 1) record the "VarDecl* p" of global variable in the checkASTDecl
> 2) get the SymbolRef by recorded "VarDecl* p" in the evalCall
>  SVal sv = state->getLValue(p, C.getLocationContext());
>  const SymbolRef symRef = sv.getAsSymbol();
> 
> Do this to get the unique id of global variables and local variables.

VarDecls are never symbolic, so symRef will always be null. Unless I’m forgetting something? The contents will be symbolic, but you only asked for the lvalue (the location).

Jordan
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