Anteru updated this revision to Diff 229612.
Anteru edited the summary of this revision.
Anteru added a comment.
Updated as requested.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D6920/new/
https://reviews.llvm.org/D6920
Files:
clang/include/clang/Format/Format.h
clang/lib/Format/Format.cpp
clang/lib/Format/TokenAnnotator.cpp
clang/unittests/Format/FormatTest.cpp
Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -10643,6 +10643,41 @@
verifyFormat("int foo = [ &bar, = ]() {};", Spaces);
}
+TEST_F(FormatTest, ConfigurableSpaceBeforeBrackets) {
+ FormatStyle NoSpaceStyle = getLLVMStyle();
+ verifyFormat("int a[5];", NoSpaceStyle);
+ verifyFormat("a[3] += 42;", NoSpaceStyle);
+
+ verifyFormat("int a[1];", NoSpaceStyle);
+ verifyFormat("int 1 [a];", NoSpaceStyle);
+ verifyFormat("int a[1][2];", NoSpaceStyle);
+ verifyFormat("a[7] = 5;", NoSpaceStyle);
+ verifyFormat("int a = (f())[23];", NoSpaceStyle);
+ verifyFormat("f([] {})", NoSpaceStyle);
+
+ FormatStyle Space = getLLVMStyle();
+ Space.SpaceBeforeSquareBrackets = true;
+ verifyFormat("int c = []() -> int { return 2; }();\n", Space);
+ verifyFormat("return [i, args...] {};", Space);
+
+ verifyFormat("int a [5];", Space);
+ verifyFormat("a [3] += 42;", Space);
+ verifyFormat("constexpr char hello []{\"hello\"};", Space);
+ verifyFormat("double &operator[](int i) { return 0; }\n"
+ "int i;",
+ Space);
+ verifyFormat("std::unique_ptr<int []> foo() {}", Space);
+ verifyFormat("int i = a [a][a]->f();", Space);
+ verifyFormat("int i = (*b) [a]->f();", Space);
+
+ verifyFormat("int a [1];", Space);
+ verifyFormat("int 1 [a];", Space);
+ verifyFormat("int a [1][2];", Space);
+ verifyFormat("a [7] = 5;", Space);
+ verifyFormat("int a = (f()) [23];", Space);
+ verifyFormat("f([] {})", Space);
+}
+
TEST_F(FormatTest, ConfigurableSpaceBeforeAssignmentOperators) {
verifyFormat("int a = 5;");
verifyFormat("a += 42;");
@@ -12529,6 +12564,7 @@
CHECK_PARSE_BOOL(SpaceBeforeCtorInitializerColon);
CHECK_PARSE_BOOL(SpaceBeforeInheritanceColon);
CHECK_PARSE_BOOL(SpaceBeforeRangeBasedForLoopColon);
+ CHECK_PARSE_BOOL(SpaceBeforeSquareBrackets);
CHECK_PARSE_BOOL(UseCRLF);
CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterCaseLabel);
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -2724,7 +2724,9 @@
!Right.isOneOf(TT_ObjCMethodExpr, TT_LambdaLSquare,
TT_DesignatedInitializerLSquare,
TT_StructuredBindingLSquare, TT_AttributeSquare) &&
- !Left.isOneOf(tok::numeric_constant, TT_DictLiteral))
+ !Left.isOneOf(tok::numeric_constant, TT_DictLiteral) &&
+ !(!Left.is(tok::r_square) && Style.SpaceBeforeSquareBrackets &&
+ Right.is(TT_ArraySubscriptLSquare)))
return false;
if (Left.is(tok::l_brace) && Right.is(tok::r_brace))
return !Left.Children.empty(); // No spaces in "{}".
Index: clang/lib/Format/Format.cpp
===================================================================
--- clang/lib/Format/Format.cpp
+++ clang/lib/Format/Format.cpp
@@ -543,6 +543,8 @@
Style.SpacesInCStyleCastParentheses);
IO.mapOptional("SpacesInParentheses", Style.SpacesInParentheses);
IO.mapOptional("SpacesInSquareBrackets", Style.SpacesInSquareBrackets);
+ IO.mapOptional("SpaceBeforeSquareBrackets",
+ Style.SpaceBeforeSquareBrackets);
IO.mapOptional("Standard", Style.Standard);
IO.mapOptional("StatementMacros", Style.StatementMacros);
IO.mapOptional("TabWidth", Style.TabWidth);
@@ -813,6 +815,7 @@
LLVMStyle.SpaceBeforeRangeBasedForLoopColon = true;
LLVMStyle.SpaceBeforeAssignmentOperators = true;
LLVMStyle.SpaceBeforeCpp11BracedList = false;
+ LLVMStyle.SpaceBeforeSquareBrackets = false;
LLVMStyle.SpacesInAngles = false;
LLVMStyle.PenaltyBreakAssignment = prec::Assignment;
Index: clang/include/clang/Format/Format.h
===================================================================
--- clang/include/clang/Format/Format.h
+++ clang/include/clang/Format/Format.h
@@ -1986,6 +1986,15 @@
/// \endcode
bool SpacesInSquareBrackets;
+ /// If ``true``, spaces will be before ``[``.
+ /// Lambdas will not be affected. Only the first ``[`` will get a space added.
+ /// \code
+ /// true: false:
+ /// int a [5]; vs. int a[5];
+ /// int a [5][5]; vs. int a[5][5];
+ /// \endcode
+ bool SpaceBeforeSquareBrackets;
+
/// Supported language standards for parsing and formatting C++ constructs.
/// \code
/// Latest: vector<set<int>>
@@ -2150,10 +2159,10 @@
SpacesInCStyleCastParentheses == R.SpacesInCStyleCastParentheses &&
SpacesInParentheses == R.SpacesInParentheses &&
SpacesInSquareBrackets == R.SpacesInSquareBrackets &&
+ SpaceBeforeSquareBrackets == R.SpaceBeforeSquareBrackets &&
Standard == R.Standard && TabWidth == R.TabWidth &&
StatementMacros == R.StatementMacros && UseTab == R.UseTab &&
- UseCRLF == R.UseCRLF &&
- TypenameMacros == R.TypenameMacros;
+ UseCRLF == R.UseCRLF && TypenameMacros == R.TypenameMacros;
}
llvm::Optional<FormatStyle> GetLanguageStyle(LanguageKind Language) const;
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