[PATCH] D150614: [clang-format] Ignore first token when finding MustBreak

[Emilia Kond via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG06763ea5d8f9: [clang-format] Ignore first token when finding 
MustBreak (authored by rymiel).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150614/new/

https://reviews.llvm.org/D150614

Files:
  clang/lib/Format/UnwrappedLineFormatter.cpp
  clang/unittests/Format/FormatTest.cpp


Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -13832,6 +13832,20 @@
             "}",
             format("A()\n:b(0)\n{\n}", NoColumnLimit));
 
+  FormatStyle NoColumnLimitWrapAfterFunction = NoColumnLimit;
+  NoColumnLimitWrapAfterFunction.BreakBeforeBraces = FormatStyle::BS_Custom;
+  NoColumnLimitWrapAfterFunction.BraceWrapping.AfterFunction = true;
+  verifyFormat("class C {\n"
+               "#pragma foo\n"
+               "  int foo { return 0; }\n"
+               "};",
+               NoColumnLimitWrapAfterFunction);
+  verifyFormat("class C {\n"
+               "#pragma foo\n"
+               "  void foo {}\n"
+               "};",
+               NoColumnLimitWrapAfterFunction);
+
   FormatStyle DoNotMergeNoColumnLimit = NoColumnLimit;
   DoNotMergeNoColumnLimit.AllowShortFunctionsOnASingleLine =
       FormatStyle::SFS_None;
@@ -20120,9 +20134,7 @@
                "  int i = 5;\n"
                "  }\n"
                "#ifdef _DEBUG\n"
-               "void bar()\n"
-               "  {\n"
-               "  }\n"
+               "void bar() {}\n"
                "#else\n"
                "void bar()\n"
                "  {\n"
Index: clang/lib/Format/UnwrappedLineFormatter.cpp
===================================================================
--- clang/lib/Format/UnwrappedLineFormatter.cpp
+++ clang/lib/Format/UnwrappedLineFormatter.cpp
@@ -888,7 +888,10 @@
   }
 
   bool containsMustBreak(const AnnotatedLine *Line) {
-    for (const FormatToken *Tok = Line->First; Tok; Tok = Tok->Next)
+    assert(Line->First);
+    // Ignore the first token, because in this situation, it applies more to 
the
+    // last token of the previous line.
+    for (const FormatToken *Tok = Line->First->Next; Tok; Tok = Tok->Next)
       if (Tok->MustBreakBefore)
         return true;
     return false;



Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -13832,6 +13832,20 @@
             "}",
             format("A()\n:b(0)\n{\n}", NoColumnLimit));
 
+  FormatStyle NoColumnLimitWrapAfterFunction = NoColumnLimit;
+  NoColumnLimitWrapAfterFunction.BreakBeforeBraces = FormatStyle::BS_Custom;
+  NoColumnLimitWrapAfterFunction.BraceWrapping.AfterFunction = true;
+  verifyFormat("class C {\n"
+               "#pragma foo\n"
+               "  int foo { return 0; }\n"
+               "};",
+               NoColumnLimitWrapAfterFunction);
+  verifyFormat("class C {\n"
+               "#pragma foo\n"
+               "  void foo {}\n"
+               "};",
+               NoColumnLimitWrapAfterFunction);
+
   FormatStyle DoNotMergeNoColumnLimit = NoColumnLimit;
   DoNotMergeNoColumnLimit.AllowShortFunctionsOnASingleLine =
       FormatStyle::SFS_None;
@@ -20120,9 +20134,7 @@
                "  int i = 5;\n"
                "  }\n"
                "#ifdef _DEBUG\n"
-               "void bar()\n"
-               "  {\n"
-               "  }\n"
+               "void bar() {}\n"
                "#else\n"
                "void bar()\n"
                "  {\n"
Index: clang/lib/Format/UnwrappedLineFormatter.cpp
===================================================================
--- clang/lib/Format/UnwrappedLineFormatter.cpp
+++ clang/lib/Format/UnwrappedLineFormatter.cpp
@@ -888,7 +888,10 @@
   }
 
   bool containsMustBreak(const AnnotatedLine *Line) {
-    for (const FormatToken *Tok = Line->First; Tok; Tok = Tok->Next)
+    assert(Line->First);
+    // Ignore the first token, because in this situation, it applies more to the
+    // last token of the previous line.
+    for (const FormatToken *Tok = Line->First->Next; Tok; Tok = Tok->Next)
       if (Tok->MustBreakBefore)
         return true;
     return false;

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