[clang] df722b0 - [clang-format] Don't indent Verilog `begin` keyword on its own line

[via cfe-commits]

Author: sstwcw
Date: 2023-05-07T05:13:04Z
New Revision: df722b01246de56a1d3c6f5b1e7aaa881c39f642

URL: 
https://github.com/llvm/llvm-project/commit/df722b01246de56a1d3c6f5b1e7aaa881c39f642
DIFF: 
https://github.com/llvm/llvm-project/commit/df722b01246de56a1d3c6f5b1e7aaa881c39f642.diff

LOG: [clang-format] Don't indent Verilog `begin` keyword on its own line

When the line is too long and the `begin` keyword wraps to the next
line, it shouldn't be indented.

Reviewed By: HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D149657

Added: 
    

Modified: 
    clang/lib/Format/ContinuationIndenter.cpp
    clang/unittests/Format/FormatTestVerilog.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Format/ContinuationIndenter.cpp 
b/clang/lib/Format/ContinuationIndenter.cpp
index fbd11a4cb48c..3ae9d1997880 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -1125,7 +1125,8 @@ unsigned ContinuationIndenter::getNewLineColumn(const 
LineState &State) {
            Style.IndentWidth;
   }
 
-  if (NextNonComment->is(tok::l_brace) && NextNonComment->is(BK_Block)) {
+  if ((NextNonComment->is(tok::l_brace) && NextNonComment->is(BK_Block)) ||
+      (Style.isVerilog() && Keywords.isVerilogBegin(*NextNonComment))) {
     if (Current.NestingLevel == 0 ||
         (Style.LambdaBodyIndentation == FormatStyle::LBI_OuterScope &&
          State.NextToken->is(TT_LambdaLBrace))) {

diff  --git a/clang/unittests/Format/FormatTestVerilog.cpp 
b/clang/unittests/Format/FormatTestVerilog.cpp
index a95e572b62fd..e2c9faff1fd5 100644
--- a/clang/unittests/Format/FormatTestVerilog.cpp
+++ b/clang/unittests/Format/FormatTestVerilog.cpp
@@ -162,6 +162,39 @@ TEST_F(FormatTestVerilog, Block) {
                "x = x;");
   verifyFormat("rand join x x;\n"
                "x = x;");
+  // The begin keyword should not be indented if it is too long to fit on the
+  // same line.
+  verifyFormat("while (true) //\n"
+               "begin\n"
+               "  while (true) //\n"
+               "  begin\n"
+               "  end\n"
+               "end");
+  verifyFormat("while (true) //\n"
+               "begin : x\n"
+               "  while (true) //\n"
+               "  begin : x\n"
+               "  end : x\n"
+               "end : x");
+  verifyFormat("while (true) //\n"
+               "fork\n"
+               "  while (true) //\n"
+               "  fork\n"
+               "  join\n"
+               "join");
+  auto Style = getDefaultStyle();
+  Style.ColumnLimit = 17;
+  verifyFormat("while (true)\n"
+               "begin\n"
+               "  while (true)\n"
+               "  begin\n"
+               "  end\n"
+               "end",
+               "while (true) begin\n"
+               "  while (true) begin"
+               "  end\n"
+               "end",
+               Style);
 }
 
 TEST_F(FormatTestVerilog, Case) {


        
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