This revision was automatically updated to reflect the committed changes.
Closed by commit rL323904: [clang-format] Align preprocessor comments with #
(authored by mzeren-vmw, committed by ).
Herald added a subscriber: llvm-commits.
Changed prior to commit:
https://reviews.llvm.org/D42408?vs=131003&id=132245#toc
Repository:
rL LLVM
https://reviews.llvm.org/D42408
Files:
cfe/trunk/lib/Format/TokenAnnotator.cpp
cfe/trunk/unittests/Format/FormatTest.cpp
Index: cfe/trunk/lib/Format/TokenAnnotator.cpp
===================================================================
--- cfe/trunk/lib/Format/TokenAnnotator.cpp
+++ cfe/trunk/lib/Format/TokenAnnotator.cpp
@@ -1725,15 +1725,18 @@
}
}
- if (NextNonCommentLine && CommentLine) {
- // If the comment is currently aligned with the line immediately following
- // it, that's probably intentional and we should keep it.
- bool AlignedWithNextLine =
- NextNonCommentLine->First->NewlinesBefore <= 1 &&
- NextNonCommentLine->First->OriginalColumn ==
- (*I)->First->OriginalColumn;
- if (AlignedWithNextLine)
- (*I)->Level = NextNonCommentLine->Level;
+ // If the comment is currently aligned with the line immediately following
+ // it, that's probably intentional and we should keep it.
+ if (NextNonCommentLine && CommentLine &&
+ NextNonCommentLine->First->NewlinesBefore <= 1 &&
+ NextNonCommentLine->First->OriginalColumn ==
+ (*I)->First->OriginalColumn) {
+ // Align comments for preprocessor lines with the # in column 0.
+ // Otherwise, align with the next line.
+ (*I)->Level = (NextNonCommentLine->Type == LT_PreprocessorDirective ||
+ NextNonCommentLine->Type == LT_ImportStatement)
+ ? 0
+ : NextNonCommentLine->Level;
} else {
NextNonCommentLine = (*I)->First->isNot(tok::r_brace) ? (*I) : nullptr;
}
Index: cfe/trunk/unittests/Format/FormatTest.cpp
===================================================================
--- cfe/trunk/unittests/Format/FormatTest.cpp
+++ cfe/trunk/unittests/Format/FormatTest.cpp
@@ -2595,21 +2595,85 @@
"code();\n"
"#endif",
Style));
- // FIXME: The comment indent corrector in TokenAnnotator gets thrown off by
- // preprocessor indentation.
- EXPECT_EQ("#if 1\n"
- " // comment\n"
- "# define A 0\n"
- "// comment\n"
- "# define B 0\n"
- "#endif",
- format("#if 1\n"
- "// comment\n"
- "# define A 0\n"
- " // comment\n"
- "# define B 0\n"
- "#endif",
- Style));
+ // Keep comments aligned with #, otherwise indent comments normally. These
+ // tests cannot use verifyFormat because messUp manipulates leading
+ // whitespace.
+ {
+ const char *Expected = ""
+ "void f() {\n"
+ "#if 1\n"
+ "// Preprocessor aligned.\n"
+ "# define A 0\n"
+ " // Code. Separated by blank line.\n"
+ "\n"
+ "# define B 0\n"
+ " // Code. Not aligned with #\n"
+ "# define C 0\n"
+ "#endif";
+ const char *ToFormat = ""
+ "void f() {\n"
+ "#if 1\n"
+ "// Preprocessor aligned.\n"
+ "# define A 0\n"
+ "// Code. Separated by blank line.\n"
+ "\n"
+ "# define B 0\n"
+ " // Code. Not aligned with #\n"
+ "# define C 0\n"
+ "#endif";
+ EXPECT_EQ(Expected, format(ToFormat, Style));
+ EXPECT_EQ(Expected, format(Expected, Style));
+ }
+ // Keep block quotes aligned.
+ {
+ const char *Expected = ""
+ "void f() {\n"
+ "#if 1\n"
+ "/* Preprocessor aligned. */\n"
+ "# define A 0\n"
+ " /* Code. Separated by blank line. */\n"
+ "\n"
+ "# define B 0\n"
+ " /* Code. Not aligned with # */\n"
+ "# define C 0\n"
+ "#endif";
+ const char *ToFormat = ""
+ "void f() {\n"
+ "#if 1\n"
+ "/* Preprocessor aligned. */\n"
+ "# define A 0\n"
+ "/* Code. Separated by blank line. */\n"
+ "\n"
+ "# define B 0\n"
+ " /* Code. Not aligned with # */\n"
+ "# define C 0\n"
+ "#endif";
+ EXPECT_EQ(Expected, format(ToFormat, Style));
+ EXPECT_EQ(Expected, format(Expected, Style));
+ }
+ // Keep comments aligned with un-indented directives.
+ {
+ const char *Expected = ""
+ "void f() {\n"
+ "// Preprocessor aligned.\n"
+ "#define A 0\n"
+ " // Code. Separated by blank line.\n"
+ "\n"
+ "#define B 0\n"
+ " // Code. Not aligned with #\n"
+ "#define C 0\n";
+ const char *ToFormat = ""
+ "void f() {\n"
+ "// Preprocessor aligned.\n"
+ "#define A 0\n"
+ "// Code. Separated by blank line.\n"
+ "\n"
+ "#define B 0\n"
+ " // Code. Not aligned with #\n"
+ "#define C 0\n";
+ EXPECT_EQ(Expected, format(ToFormat, Style));
+ EXPECT_EQ(Expected, format(Expected, Style));
+ }
// Test with tabs.
Style.UseTab = FormatStyle::UT_Always;
Style.IndentWidth = 8;
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