[PATCH] D60363: [clang-format] [PR41170] Break after return type ignored with certain comments positions
MyDeveloperDay via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 8 05:27:32 PDT 2019
MyDeveloperDay updated this revision to Diff 194120.
MyDeveloperDay added a comment.
Addressing review comments
Reduce test cases
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D60363/new/
https://reviews.llvm.org/D60363
Files:
clang/lib/Format/TokenAnnotator.h
clang/unittests/Format/FormatTest.cpp
Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -5745,6 +5745,26 @@
" return a;\n"
"}\n",
Style);
+
+ Style = getGNUStyle();
+
+ // Test for comments at the end of function declarations.
+ verifyFormat("void\n"
+ "foo (int a, /*abc*/ int b) // def\n"
+ "{\n"
+ "}\n",
+ Style);
+
+ verifyFormat("void\n"
+ "foo (int a, /* abc */ int b) /* def */\n"
+ "{\n"
+ "}\n",
+ Style);
+
+ // Definitions that should not break after return type
+ verifyFormat("void foo (int a, int b); // def\n", Style);
+ verifyFormat("void foo (int a, int b); /* def */\n", Style);
+ verifyFormat("void foo (int a, int b);\n", Style);
}
TEST_F(FormatTest, AlwaysBreakBeforeMultilineStrings) {
Index: clang/lib/Format/TokenAnnotator.h
===================================================================
--- clang/lib/Format/TokenAnnotator.h
+++ clang/lib/Format/TokenAnnotator.h
@@ -99,9 +99,19 @@
/// function declaration. Asserts MightBeFunctionDecl.
bool mightBeFunctionDefinition() const {
assert(MightBeFunctionDecl);
- // FIXME: Line.Last points to other characters than tok::semi
- // and tok::lbrace.
- return !Last->isOneOf(tok::semi, tok::comment);
+ // Try to determine if the end of a stream of tokens is either the
+ // Definition or the Declaration for a function. It does this by looking for
+ // the ';' in foo(); and using that it ends with a ; to know this is the
+ // Definition, however the line could end with
+ // foo(); /* comment */
+ // or
+ // foo(); // comment
+ // or
+ // foo() // comment
+ // In all cases the last token would be a comment (old way) but a definition
+ // like the last one means you must look at the last two tokens to
+ // ensure its not `; <comment>`.
+ return !endsWith(tok::semi) && !endsWith(tok::semi, tok::comment);
}
/// \c true if this line starts a namespace definition.
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