benhamilton created this revision.
benhamilton added reviewers: djasper, jolesiak.
Herald added subscribers: cfe-commits, klimek.
Previously, clang-format would incorrectly annotate 0-argument
Objective-C selector names as TT_TrailingAnnotation:
% echo "-(void)foo;" > /tmp/test.m
% ./bin/clang-format -debug /tmp/test.m
Language: Objective-C
----
Line(0, FSC=0): minus[T=68, OC=0] l_paren[T=68, OC=1] void[T=68, OC=2]
r_paren[T=68, OC=6] identifier[T=68, OC=7] semi[T=68, OC=10]
Line(0, FSC=0): eof[T=68, OC=0]
Run 0...
AnnotatedTokens(L=0):
M=0 C=0 T=ObjCMethodSpecifier S=1 B=0 BK=0 P=0 Name=minus L=1 PPK=2
FakeLParens= FakeRParens=0 Text='-'
M=0 C=1 T=Unknown S=1 B=0 BK=0 P=33 Name=l_paren L=3 PPK=2
FakeLParens= FakeRParens=0 Text='('
M=0 C=1 T=Unknown S=0 B=0 BK=0 P=140 Name=void L=7 PPK=2 FakeLParens=
FakeRParens=0 Text='void'
M=0 C=0 T=CastRParen S=0 B=0 BK=0 P=43 Name=r_paren L=8 PPK=2
FakeLParens= FakeRParens=0 Text=')'
M=0 C=1 T=TrailingAnnotation S=0 B=0 BK=0 P=120 Name=identifier L=11
PPK=2 FakeLParens= FakeRParens=0 Text='foo'
M=0 C=0 T=Unknown S=0 B=0 BK=0 P=23 Name=semi L=12 PPK=2 FakeLParens=
FakeRParens=0 Text=';'
This caused us to incorrectly indent 0-argument wrapped selectors
when Style.IndentWrappedFunctionNames was false, as we thought
the 0-argument ObjC selector name was actually a trailing
annotation (which is always indented).
This diff fixes the issue and adds tests.
Test Plan: New tests added. Confirmed tests failed before diff.
After diff, tests passed. Ran tests with:
% make -j12 FormatTests &&
./tools/clang/unittests/Format/FormatTests
Repository:
rC Clang
https://reviews.llvm.org/D44996
Files:
lib/Format/TokenAnnotator.cpp
unittests/Format/FormatTestObjC.cpp
Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -522,6 +522,22 @@
verifyFormat("- (void)drawRectOn:(id)surface\n"
" ofSize:(size_t)height\n"
" :(size_t)width;");
+ Style.ColumnLimit = 40;
+ // Make sure selectors with 0, 1, or more arguments are not indented
+ // when IndentWrappedFunctionNames is false.
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
// Continuation indent width should win over aligning colons if the function
// name is long.
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -1343,6 +1343,16 @@
TT_LeadingJavaAnnotation)) {
Current.Type = Current.Previous->Type;
}
+ } else if (Current.isOneOf(tok::identifier, tok::kw_new) &&
+ Current.Previous && Current.Previous->is(TT_CastRParen) &&
+ Current.Previous->MatchingParen &&
+ Current.Previous->MatchingParen->Previous &&
+ Current.Previous->MatchingParen->Previous->is(
+ TT_ObjCMethodSpecifier)) {
+ // This is the first part of an Objective-C selector name. (If there's no
+ // colon after this, this is the only place which annotates the
identifier
+ // as a selector.)
+ Current.Type = TT_SelectorName;
} else if (Current.isOneOf(tok::identifier, tok::kw_const) &&
Current.Previous &&
!Current.Previous->isOneOf(tok::equal, tok::at) &&
Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -522,6 +522,22 @@
verifyFormat("- (void)drawRectOn:(id)surface\n"
" ofSize:(size_t)height\n"
" :(size_t)width;");
+ Style.ColumnLimit = 40;
+ // Make sure selectors with 0, 1, or more arguments are not indented
+ // when IndentWrappedFunctionNames is false.
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
+ verifyFormat("- (aaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaa:(int)a;\n");
// Continuation indent width should win over aligning colons if the function
// name is long.
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -1343,6 +1343,16 @@
TT_LeadingJavaAnnotation)) {
Current.Type = Current.Previous->Type;
}
+ } else if (Current.isOneOf(tok::identifier, tok::kw_new) &&
+ Current.Previous && Current.Previous->is(TT_CastRParen) &&
+ Current.Previous->MatchingParen &&
+ Current.Previous->MatchingParen->Previous &&
+ Current.Previous->MatchingParen->Previous->is(
+ TT_ObjCMethodSpecifier)) {
+ // This is the first part of an Objective-C selector name. (If there's no
+ // colon after this, this is the only place which annotates the identifier
+ // as a selector.)
+ Current.Type = TT_SelectorName;
} else if (Current.isOneOf(tok::identifier, tok::kw_const) &&
Current.Previous &&
!Current.Previous->isOneOf(tok::equal, tok::at) &&
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