MyDeveloperDay added a comment.
That works because the argument list is just tok::identifier and TT_StartOfName
so if we see StartOfName we are going to return true
identifier will simply be skipped round the loop
``
int
Test(A a)
{}
AnnotatedTokens(L=0):
M=0 C=0 T=Unknown S=1 B=0 BK=0 P=0 Name=int L=3 PPK=2 FakeLParens=
FakeRParens=0 II=0x11be8c48b20 Text='int'
M=1 C=1 T=FunctionDeclarationName S=1 B=0 BK=0 P=220 Name=identifier L=88
PPK=2 FakeLParens= FakeRParens=0 II=0x11be8c42d00 Text='Test'
M=0 C=0 T=Unknown S=0 B=0 BK=0 P=23 Name=l_paren L=89 PPK=2 FakeLParens=
FakeRParens=0 II=0x0 Text='('
M=0 C=1 T=Unknown S=0 B=0 BK=0 P=140 Name=identifier L=90 PPK=2 FakeLParens=
FakeRParens=0 II=0x11be8c42c70 Text='A'
M=0 C=1 T=StartOfName S=1 B=0 BK=0 P=240 Name=identifier L=92 PPK=2
FakeLParens= FakeRParens=0 II=0x11be8c42ca0 Text='a'
M=0 C=0 T=Unknown S=0 B=0 BK=0 P=43 Name=r_paren L=93 PPK=2 FakeLParens=
FakeRParens=0 II=0x0 Text=')'
Where you are correct in its handling is this, because it doesn't see the
TT_StartOfName it doesn't return true and so falls out the bottom of the
function with false
and hence doesn't break the return type
int Test(A) {}
AnnotatedTokens(L=0):
M=0 C=0 T=Unknown S=1 B=0 BK=0 P=0 Name=int L=3 PPK=2 FakeLParens=
FakeRParens=0 II=0x245bb8e7140 Text='int'
M=0 C=1 T=StartOfName S=1 B=0 BK=0 P=220 Name=identifier L=8 PPK=2
FakeLParens= FakeRParens=0 II=0x245bb8ebdc0 Text='Test'
M=0 C=0 T=Unknown S=0 B=0 BK=0 P=23 Name=l_paren L=9 PPK=2 FakeLParens=
FakeRParens=0 II=0x0 Text='('
M=0 C=1 T=Unknown S=0 B=0 BK=0 P=140 Name=identifier L=10 PPK=2 FakeLParens=
FakeRParens=0 II=0x245bb8ebd30 Text='A'
M=0 C=0 T=Unknown S=0 B=0 BK=0 P=43 Name=r_paren L=11 PPK=2 FakeLParens=
FakeRParens=0 II=0x0 Text=')'
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D59309/new/
https://reviews.llvm.org/D59309
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