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-rw-r--r--SConstruct4
-rw-r--r--etc/format_sample.cpp171
-rw-r--r--src/mongo/.clang-format61
3 files changed, 236 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct
index 1ba1ef9b129..0dc27b7aae3 100644
--- a/SConstruct
+++ b/SConstruct
@@ -2360,6 +2360,10 @@ env.AlwaysBuild( "style" )
def doLint( env , target , source ):
+ import buildscripts.clang_format
+ if not buildscripts.clang_format.lint(None, []):
+ raise Exception("clang-format lint errors")
+
import buildscripts.lint
if not buildscripts.lint.run_lint( [ "src/mongo/" ] ):
raise Exception( "lint errors" )
diff --git a/etc/format_sample.cpp b/etc/format_sample.cpp
new file mode 100644
index 00000000000..b5b98b5ebc9
--- /dev/null
+++ b/etc/format_sample.cpp
@@ -0,0 +1,171 @@
+/**
+ * Sample file to demonstrate various clang-format messages
+ */
+#include <stdio.h>
+#include <vector>
+#include <string>
+
+// NamespaceIndentation: None
+namespace foo {
+// Contents of namespace are not indented.
+int foo;
+
+namespace bar {
+int bar;
+
+namespace {
+int anony;
+} // namespace anony
+
+} // namespace bar
+
+/**
+ * A Class comment
+ */
+class Example {
+ // AccessModiferOffset: -4
+public:
+ // BreakConstructorInitializersBeforeComma: false
+ // ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ //
+ Example() : _aVariable(4), _bVariable(42) {}
+ Example(int a)
+ : _aVariable(a),
+ _bVariable(42),
+ _AReallyReallyLongVariableName(4),
+ _AnotherReallyReallyLongVariableNameToTriggerWrapping(42) {
+ printf("Hello ");
+ }
+ ~Example() {}
+
+ /**
+ * A Function comment
+ * AllowShortFunctionsOnASingleLine: Empty
+ */
+ int getOneLineFunction() {
+ return 0;
+ }
+
+ /** A Incorrect Function comment
+ * AllowShortFunctionsOnASingleLine: Empty
+ */
+ void doNothing() {}
+
+ /**
+ * A Useful Function comment
+ */
+ int manyVariableFunction(unsigned long long arg1, char arg2, unsigned long long arg3);
+
+private:
+ int _aVariable;
+ long _bVariable;
+ short _cVarianble = 49;
+ long _AReallyReallyLongVariableName;
+ long _AnotherReallyReallyLongVariableNameToTriggerWrapping;
+};
+
+int foo3() {
+ return 42;
+}
+
+// AlwaysBreakTemplateDeclarations: true
+template <typename T>
+T myAdd(T x, T y) {
+ return x + y;
+}
+
+// AlwaysBreakAfterDefinitionReturnType: false
+// BinPackParameters: false
+int Example::manyVariableFunction(unsigned long long argWithLongName,
+ char arg2,
+ unsigned long long argWithAnotherLongName) {
+ // 3.7 - AlignConsecutiveAssignments - false
+ //
+ int aaaa = 12;
+ int b = 23;
+ int ccc = 23;
+ // PointerAlignment: Left
+ const char* some_pointer = "Hello";
+
+ // SpacesInAngles: false
+ std::vector<std::pair<std::string, int>> list;
+
+ // SpaceAfterCStyleCast: false
+ // SpacesInCStyleCastParentheses: false
+ char* some_nonconst_pointer = (char*)some_pointer;
+
+ // Multi-line if
+ // SpaceBeforeParens: False
+ if (argWithLongName == 0) { // Comment: SpacesBeforeTrailingComments
+ // Do something
+ } else if (b % 7 = 3) {
+ } // some weird trailing else comment that clang-format does not touch
+ else {
+ // Notice the indent around else
+ }
+
+ // AllowShortIfStatementsOnASingleLine: false
+ // Put statements on separate lines for short ifs
+ if (arg2 == 'a')
+ arg2 = 'b';
+
+ int bbbbbbbbbbbbbbbbbbbbbbbbbbbb, cccccccccccccccccccccccccccccc;
+ int aaaaaaaaaaaaaaaaaaaaaaaaaaaa =
+ bbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccccccccccccccccc;
+
+ // AlignOperands
+ int dddddddddddddddddddddddddddd = aaaaaaaaaaaaaaaaaaaaaaaaaaaa * 7 + 4 % 235124 > 275645
+ ? bbbbbbbbbbbbbbbbbbbbbbbbbbbb + 897234
+ : cccccccccccccccccccccccccccccc % 1293402;
+
+ // AllowShortBlocksOnASingleLine: false
+ if (b) {
+ return 3;
+ }
+
+ // AllowShortLoopsOnASingleLine: false
+ while (b < 5)
+ b++;
+
+ // BreakBeforeBinaryOperators: None
+ if (b > 5 || b % 42 || cccccccccccccccccccccccccccccc % 873 || aaaa * 12312 % 23485 != 9873 ||
+ some_pointer != 0) {
+ printf("Huh!\n");
+ }
+
+ // AlignAfterOpenBracket: false
+ // BinPackParameters: false
+ printf("A short function call %s %s %d - %ld\n", "", "tgz", 4, ULONG_MAX);
+ printf("A long function call %s %s %d - %ld\n",
+ "http://www.mongodbo.org/downloads",
+ "mongodb-latest.tgz",
+ 4,
+ ULONG_MAX);
+ printf("Thing1 %s\n", "Thing2");
+
+ // No spaces between parens and args
+ printf("%c\n", arg2);
+
+ // A switch statement: TODO: Andy, what is the indent we want? Google style?
+ switch (arg2) {
+ // AllowShortCaseLabelsOnASingleLine: false
+ // IndentCaseLabels: true
+ case 'a':
+ return 2;
+ case 'y':
+ case 'z':
+ // Do something here
+ break;
+ default:
+ // The default`
+ break;
+ }
+
+ do {
+ // Do a loop here
+ } while (0);
+
+ return 1;
+}
+
+} // namespace foo
diff --git a/src/mongo/.clang-format b/src/mongo/.clang-format
new file mode 100644
index 00000000000..d957d577f00
--- /dev/null
+++ b/src/mongo/.clang-format
@@ -0,0 +1,61 @@
+# BasedOnStyle: Google
+AccessModifierOffset: -4
+AlignOperands: false
+AlignAfterOpenBracket: true
+AlignEscapedNewlinesLeft: true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: false
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: false
+BinPackParameters: false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+ColumnLimit: 100
+CommentPragmas: ''
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros: [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IndentCaseLabels: true
+IndentFunctionDeclarationAfterType: false
+IndentWidth: 4
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+Language: Cpp
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: None
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: true
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp11
+TabWidth: 4
+UseTab: Never