[cfe-dev] Getting precise SourceLocation for VarDecl

[Kirill Bobyrev via cfe-dev]

For such things you might also want to take a look at clang-rename tool in clang/tools/extra.

—
Kirill

> On 27 Jul 2016, at 19:57, Himanshu via cfe-dev <cfe-dev at lists.llvm.org> wrote:
> 
> Actually I found out that getLoc works as desired in this case. 
> thanks!
> 
> --
> Himanshu
> 
> On Wed, Jul 27, 2016 at 10:49 AM, Himanshu <himanshu at utexas.edu <mailto:himanshu at utexas.edu>> wrote:
> Hi All, 
> 
> I am working on a rewriter that needs to replace certain variable declarations. Let me create a simplified example here. Consider the following DeclStmt: 
> 
> size_t v, *u = NULL, w = 10;
> 
> In my RecursiveASTVisitor I implement VisitVarDecl, and use the rewriter.replace(SourceRange, ...) API. I create the SourceRange using VarDecl::getLocStart and getLocEnd. But this leads to the whole DeclStmt being replaced even if only want to replace u or w. I tried using the getInnerLocStart, but it leads to the same issue. How should I get the correct start and end locations for each individual VarDecl? 
> 
> 
> Thanks!
> -
> Himanshu
> 
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