[clang] [clang-format] Add BreakBinaryOperations configuration (PR #95013)

[Owen Pan via cfe-commits]

================
@@ -27630,6 +27630,245 @@ TEST_F(FormatTest, SpaceBetweenKeywordAndLiteral) {
   verifyFormat("return sizeof \"5\";");
 }
 
+TEST_F(FormatTest, BreakBinaryOperations) {
+  auto Style = getLLVMStyleWithColumns(60);
+  // Logical operations
+  verifyFormat("if (condition1 && condition2) {\n"
+               "}",
+               Style);
+
+  verifyFormat("if (condition1 && condition2 &&\n"
+               "    (condition3 || condition4) && condition5 &&\n"
+               "    condition6) {\n"
+               "}",
+               Style);
+
+  verifyFormat("if (loooooooooooooooooooooongcondition1 &&\n"
+               "    loooooooooooooooooooooongcondition2) {\n"
+               "}",
+               Style);
+
+  // Arithmetic
+  verifyFormat("const int result = lhs + rhs;", Style);
+
+  verifyFormat("const int result = loooooooongop1 + looooooooongop2 +\n"
+               "                   loooooooooooooooooooooongop3;",
+               Style);
+
+  verifyFormat("result = longOperand1 + longOperand2 -\n"
+               "         (longOperand3 + longOperand4) -\n"
+               "         longOperand5 * longOperand6;",
+               Style);
+
+  verifyFormat("const int result =\n"
+               "    operand1 + operand2 - (operand3 + operand4);",
+               Style);
+
+  Style.BreakBinaryOperations = FormatStyle::BBO_BreakAll;
+
+  // Logical operations
+  verifyFormat("if (condition1 && condition2) {\n"
+               "}",
+               Style);
+
+  verifyFormat("if (condition1 && // comment\n"
+               "    condition2 &&\n"
+               "    (condition3 || condition4) && // comment\n"
+               "    condition5 &&\n"
+               "    condition6) {\n"
+               "}",
+               Style);
+
+  verifyFormat("if (loooooooooooooooooooooongcondition1 &&\n"
+               "    loooooooooooooooooooooongcondition2) {\n"
+               "}",
+               Style);
+
+  // Arithmetic
+  verifyFormat("const int result = lhs + rhs;", Style);
+
+  verifyFormat("result = loooooooooooooooooooooongop1 +\n"
+               "         loooooooooooooooooooooongop2 +\n"
+               "         loooooooooooooooooooooongop3;",
+               Style);
+
+  verifyFormat("const int result =\n"
+               "    operand1 + operand2 - (operand3 + operand4);",
+               Style);
+
+  verifyFormat("result = longOperand1 +\n"
+               "         longOperand2 -\n"
+               "         (longOperand3 + longOperand4) -\n"
+               "         longOperand5 +\n"
+               "         longOperand6;",
+               Style);
+
+  verifyFormat("result = operand1 +\n"
+               "         operand2 -\n"
+               "         operand3 +\n"
+               "         operand4 -\n"
+               "         operand5 +\n"
+               "         operand6;",
+               Style);
+
+  // Ensure mixed precedence operations are handled properly
+  Style.BreakBinaryOperations = FormatStyle::BBO_BreakAll;
----------------
owenca wrote:

Redundant.

https://github.com/llvm/llvm-project/pull/95013