On Fri, May 27, 2016 at 12:19 PM, don hinton <hinto...@gmail.com> wrote:
> hintonda added inline comments.
>
> ================
> Comment at: lib/Parse/ParseDeclCXX.cpp:3403-3428
> @@ -3402,6 +3402,7 @@
> // If we already had a dynamic specification, parse the noexcept for,
> // recovery, but emit a diagnostic and don't store the results.
> - SourceRange NoexceptRange;
> + SourceRange NoexceptRange(Tok.getLocation(),
> + Tok.getEndLoc().getLocWithOffset(-1));
> ExceptionSpecificationType NoexceptType = EST_None;
>
> SourceLocation KeywordLoc = ConsumeToken();
>
> @@ -3424,6 +3425,5 @@
> } else {
> // There is no argument.
> NoexceptType = EST_BasicNoexcept;
> - NoexceptRange = SourceRange(KeywordLoc, KeywordLoc);
> }
>
> ----------------
> The range for a single token is a single location. The problem is your test.
> The range for "throw()" ends at the start of the ')' token. For "noexcept",
> the beginning and end are the same location, e.g., here's how "int" is tested:
That's right! I forgot that source ranges are not *char* source ranges
but token source ranges. Thank you for the reminder.
~Aaron
>
> ```
> TEST(MatchVerifier, ParseError) {
> LocationVerifier<VarDecl> Verifier;
> Verifier.expectLocation(1, 1);
> EXPECT_FALSE(Verifier.match("int i", varDecl()));
> }
> ```
>
> I think you should use this instead:
>
> ```
> SourceRange NoexceptRange(Tok.getLocation());
> ```
>
>
> http://reviews.llvm.org/D20428
>
>
>
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