chh updated this revision to Diff 116092.
chh edited the summary of this revision.
https://reviews.llvm.org/D35743
Files:
lib/Format/TokenAnnotator.cpp
unittests/Format/FormatTest.cpp
Index: unittests/Format/FormatTest.cpp
===================================================================
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -11579,24 +11579,58 @@
EXPECT_EQ("auto const volatile [a, b] = f();",
format("auto const volatile[a, b] = f();"));
EXPECT_EQ("auto [a, b, c] = f();", format("auto [ a , b,c ] = f();"));
- EXPECT_EQ("auto & [a, b, c] = f();",
+ EXPECT_EQ("auto &[a, b, c] = f();",
format("auto &[ a , b,c ] = f();"));
- EXPECT_EQ("auto && [a, b, c] = f();",
+ EXPECT_EQ("auto &&[a, b, c] = f();",
format("auto &&[ a , b,c ] = f();"));
- EXPECT_EQ("auto const & [a, b] = f();", format("auto const&[a, b] = f();"));
- EXPECT_EQ("auto const volatile && [a, b] = f();",
+ EXPECT_EQ("auto const &[a, b] = f();", format("auto const&[a, b] = f();"));
+ EXPECT_EQ("auto const volatile &&[a, b] = f();",
format("auto const volatile &&[a, b] = f();"));
- EXPECT_EQ("auto && [a, b] = f();", format("auto &&[a, b] = f();"));
+ EXPECT_EQ("auto const &&[a, b] = f();", format("auto const && [a, b] = f();"));
+ EXPECT_EQ("const auto &[a, b] = f();", format("const auto & [a, b] = f();"));
+ EXPECT_EQ("const auto volatile &&[a, b] = f();",
+ format("const auto volatile &&[a, b] = f();"));
+ EXPECT_EQ("volatile const auto &&[a, b] = f();",
+ format("volatile const auto &&[a, b] = f();"));
+ EXPECT_EQ("const auto &&[a, b] = f();", format("const auto && [a, b] = f();"));
// Make sure we don't mistake structured bindings for lambdas.
verifyFormat("auto [a, b]{A * i};");
verifyFormat("auto const [a, b]{A * i};");
- verifyFormat("auto const && [a, b]{A * i};");
+ verifyFormat("auto const& [a1, b]{A * i};", getGoogleStyle());
+ verifyFormat("auto const &[a2, b]{A * i};", getLLVMStyle());
+ verifyFormat("auto const&& [a1, b]{A * i};", getGoogleStyle());
+ verifyFormat("auto const &&[a2, b]{A * i};", getLLVMStyle());
+ verifyFormat("auto const &&x1 = y1;", getGoogleStyle());
+ verifyFormat("auto const &&x2 = y1;", getLLVMStyle());
+ verifyFormat("auto const &x1 = y2;", getGoogleStyle());
+ verifyFormat("auto const &x2 = y2;", getLLVMStyle());
+ verifyFormat("auto const &x1 = y2;", getGoogleStyle());
+ verifyFormat("auto const *x1, *x2;", getGoogleStyle());
+ verifyFormat("auto const *x3, *x4;", getLLVMStyle());
+
+ EXPECT_EQ("for (const auto &&[a, b] : some_range) {\n}",
+ format("for (const auto && [a, b] : some_range) {\n}"));
+ EXPECT_EQ("for (const auto &[a, b] : some_range) {\n}",
+ format("for (const auto & [a, b] : some_range) {\n}"));
+ EXPECT_EQ("for (const auto [a, b] : some_range) {\n}",
+ format("for (const auto[a, b] : some_range) {\n}"));
+ EXPECT_EQ("auto [x, y](expr);", format("auto[x,y] (expr);"));
+ EXPECT_EQ("auto &[x, y](expr);", format("auto & [x,y] (expr);"));
+ EXPECT_EQ("auto &&[x, y](expr);", format("auto && [x,y] (expr);"));
+ EXPECT_EQ("auto const &[x, y](expr);", format("auto const & [x,y] (expr);"));
+ EXPECT_EQ("auto const &&[x, y](expr);", format("auto const && [x,y] (expr);"));
+ EXPECT_EQ("auto [x, y]{expr};", format("auto[x,y] {expr};"));
+ EXPECT_EQ("auto const &[x, y]{expr};", format("auto const & [x,y] {expr};"));
+ EXPECT_EQ("auto const &&[x, y]{expr};", format("auto const && [x,y] {expr};"));
format::FormatStyle Spaces = format::getLLVMStyle();
Spaces.SpacesInSquareBrackets = true;
verifyFormat("auto [ a, b ] = f();", Spaces);
- verifyFormat("auto && [ a, b ] = f();", Spaces);
+ verifyFormat("auto &&[ a, b ] = f();", Spaces);
+ verifyFormat("auto &[ a, b ] = f();", Spaces);
+ verifyFormat("auto const &&[ a, b ] = f();", Spaces);
+ verifyFormat("auto const &[ a, b ] = f();", Spaces);
}
} // end namespace
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -342,10 +342,10 @@
bool ColonFound = false;
unsigned BindingIncrease = 1;
- if (Left->is(TT_Unknown)) {
- if (Left->isCppStructuredBinding(Style)) {
- Left->Type = TT_StructuredBindingLSquare;
- } else if (StartsObjCMethodExpr) {
+ if (Left->isCppStructuredBinding(Style)) {
+ Left->Type = TT_StructuredBindingLSquare;
+ } else if (Left->is(TT_Unknown)) {
+ if (StartsObjCMethodExpr) {
Left->Type = TT_ObjCMethodExpr;
} else if (Style.Language == FormatStyle::LK_JavaScript && Parent &&
Contexts.back().ContextKind == tok::l_brace &&
@@ -2513,6 +2513,14 @@
TT_TemplateOpener));
if ((Left.is(TT_TemplateOpener)) != (Right.is(TT_TemplateCloser)))
return Style.SpacesInAngles;
+ // space before TT_StructuredBindingLSquare
+ if (Right.is(TT_StructuredBindingLSquare))
+ return !Left.isOneOf(tok::amp, tok::ampamp) ||
+ Style.PointerAlignment != FormatStyle::PAS_Right;
+ // space before & or && following a TT_StructuredBindingLSquare
+ if (Right.Next && Right.Next->is(TT_StructuredBindingLSquare) &&
+ Right.isOneOf(tok::amp, tok::ampamp))
+ return Style.PointerAlignment != FormatStyle::PAS_Left;
if ((Right.is(TT_BinaryOperator) && !Left.is(tok::l_paren)) ||
(Left.isOneOf(TT_BinaryOperator, TT_ConditionalExpr) &&
!Right.is(tok::r_paren)))
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