MyDeveloperDay created this revision.
MyDeveloperDay added reviewers: krasimir, owenpan, HazardyKnusperkeks, curdeius.
MyDeveloperDay added projects: clang, clang-format.
MyDeveloperDay requested review of this revision.
https://github.com/llvm/llvm-project/issues/49846
Fixes #49846
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D115990
Files:
clang/include/clang/Format/Format.h
clang/lib/Format/TokenAnnotator.cpp
clang/unittests/Format/FormatTestJS.cpp
Index: clang/unittests/Format/FormatTestJS.cpp
===================================================================
--- clang/unittests/Format/FormatTestJS.cpp
+++ clang/unittests/Format/FormatTestJS.cpp
@@ -2696,5 +2696,41 @@
verifyFormat("x = 1_000_000 + 12;", "x = 1_000_000 + 12;");
}
+TEST_F(FormatTestJS, AlignConsecutiveDeclarations) {
+ FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
+ Style.AlignConsecutiveDeclarations = FormatStyle::ACS_Consecutive;
+ verifyFormat("let letVariable = 5;\n"
+ "double constVariable = 10;",
+ Style);
+
+ verifyFormat("let letVariable = 5;\n"
+ "const constVariable = 10;",
+ Style);
+
+ verifyFormat("let letVariable = 5;\n"
+ "static const constVariable = 10;",
+ Style);
+
+ verifyFormat("let letVariable = 5;\n"
+ "static var constVariable = 10;",
+ Style);
+
+ verifyFormat("let letVariable = 5;\n"
+ "var constVariable = 10;",
+ Style);
+
+ verifyFormat("double letVariable = 5;\n"
+ "var constVariable = 10;",
+ Style);
+
+ verifyFormat("const letVariable = 5;\n"
+ "var constVariable = 10;",
+ Style);
+
+ verifyFormat("int letVariable = 5;\n"
+ "int constVariable = 10;",
+ Style);
+}
+
} // namespace format
} // end namespace clang
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -1826,14 +1826,18 @@
if (Tok.Previous->isOneOf(TT_LeadingJavaAnnotation, Keywords.kw_instanceof,
Keywords.kw_as))
return false;
- if (Style.Language == FormatStyle::LK_JavaScript &&
+ if (Style.isJavaScript() &&
Tok.Previous->is(Keywords.kw_in))
return false;
// Skip "const" as it does not have an influence on whether this is a name.
FormatToken *PreviousNotConst = Tok.getPreviousNonComment();
- while (PreviousNotConst && PreviousNotConst->is(tok::kw_const))
- PreviousNotConst = PreviousNotConst->getPreviousNonComment();
+
+ // For javascript const can be like "let" or "var"
+ if (!Style.isJavaScript()){
+ while (PreviousNotConst && PreviousNotConst->is(tok::kw_const))
+ PreviousNotConst = PreviousNotConst->getPreviousNonComment();
+ }
if (!PreviousNotConst)
return false;
@@ -1852,10 +1856,28 @@
PreviousNotConst->is(TT_TypeDeclarationParen))
return true;
- return (!IsPPKeyword &&
- PreviousNotConst->isOneOf(tok::identifier, tok::kw_auto)) ||
- PreviousNotConst->is(TT_PointerOrReference) ||
- PreviousNotConst->isSimpleTypeSpecifier();
+ // If is a preprocess keyword like #define.
+ if (IsPPKeyword)
+ return false;
+
+ // int a or auto a.
+ if (PreviousNotConst->isOneOf(tok::identifier, tok::kw_auto))
+ return true;
+
+ // *a or &a or &&a.
+ if (PreviousNotConst->is(TT_PointerOrReference))
+ return true;
+
+ // MyClass a;
+ if (PreviousNotConst->isSimpleTypeSpecifier())
+ return true;
+
+ // const a = in JavaScript.
+ if (Style.isJavaScript() && PreviousNotConst->is(tok::kw_const))
+ return true;
+
+ // Not a StartOfName.
+ return false;
}
/// Determine whether ')' is ending a cast.
Index: clang/include/clang/Format/Format.h
===================================================================
--- clang/include/clang/Format/Format.h
+++ clang/include/clang/Format/Format.h
@@ -2669,6 +2669,7 @@
bool isCpp() const { return Language == LK_Cpp || Language == LK_ObjC; }
bool isCSharp() const { return Language == LK_CSharp; }
bool isJson() const { return Language == LK_Json; }
+ bool isJavaScript() const { return Language == LK_JavaScript; }
/// Language, this format style is targeted at.
/// \version 3.5
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