yaqiji updated this revision to Diff 201352.
yaqiji marked 3 inline comments as done.
yaqiji added a comment.
Added fix message, and change global to nonstatic.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D62045/new/
https://reviews.llvm.org/D62045
Files:
clang-tools-extra/clang-tidy/google/GlobalVariableDeclarationCheck.cpp
clang-tools-extra/test/clang-tidy/google-objc-global-variable-declaration.m
Index: clang-tools-extra/test/clang-tidy/google-objc-global-variable-declaration.m
===================================================================
--- clang-tools-extra/test/clang-tidy/google-objc-global-variable-declaration.m
+++ clang-tools-extra/test/clang-tidy/google-objc-global-variable-declaration.m
@@ -1,10 +1,14 @@
// RUN: %check_clang_tidy %s google-objc-global-variable-declaration %t
@class NSString;
+
static NSString* const myConstString = @"hello";
// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: const global variable 'myConstString' must have a name which starts with an appropriate prefix [google-objc-global-variable-declaration]
// CHECK-FIXES: static NSString* const kMyConstString = @"hello";
+extern NSString* const GlobalConstant = @"hey";
+// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: const global variable 'GlobalConstant' must have a name which starts with an appropriate prefix [google-objc-global-variable-declaration]
+
static NSString* MyString = @"hi";
// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: non-const global variable 'MyString' must have a name which starts with 'g[A-Z]' [google-objc-global-variable-declaration]
// CHECK-FIXES: static NSString* gMyString = @"hi";
@@ -25,13 +29,23 @@
// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: const global variable '_notAlpha' must have a name which starts with an appropriate prefix [google-objc-global-variable-declaration]
// CHECK-FIXES: static NSString* const _notAlpha = @"NotBeginWithAlpha";
+static NSString* const notCap = @"NotBeginWithCap";
+// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: const global variable 'notCap' must have a name which starts with an appropriate prefix [google-objc-global-variable-declaration]
+// CHECK-FIXES: static NSString* const kNotCap = @"NotBeginWithCap";
+
static NSString* const k_Alpha = @"SecondNotAlpha";
// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: const global variable 'k_Alpha' must have a name which starts with an appropriate prefix [google-objc-global-variable-declaration]
// CHECK-FIXES: static NSString* const k_Alpha = @"SecondNotAlpha";
+static NSString* const SecondNotCap = @"SecondNotCapOrNumber";
+// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: const global variable 'SecondNotCap' must have a name which starts with an appropriate prefix [google-objc-global-variable-declaration]
+// CHECK-FIXES: static NSString* const kSecondNotCap = @"SecondNotCapOrNumber";
+
static NSString* const kGood = @"hello";
static NSString* const XYGood = @"hello";
+static NSString* const X1Good = @"hello";
static NSString* gMyIntGood = 0;
+extern NSString* Y2Good;
extern NSString* const GTLServiceErrorDomain;
@@ -42,8 +56,8 @@
@implementation Foo
- (void)f {
- int x = 0;
- static int bar;
- static const int baz = 42;
+ int x = 0;
+ static int bar;
+ static const int baz = 42;
}
@end
Index: clang-tools-extra/clang-tidy/google/GlobalVariableDeclarationCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/google/GlobalVariableDeclarationCheck.cpp
+++ clang-tools-extra/clang-tidy/google/GlobalVariableDeclarationCheck.cpp
@@ -23,29 +23,35 @@
namespace {
-AST_MATCHER(VarDecl, isLocalVariable) {
- return Node.isLocalVarDecl();
-}
+AST_MATCHER(VarDecl, isLocalVariable) { return Node.isLocalVarDecl(); }
FixItHint generateFixItHint(const VarDecl *Decl, bool IsConst) {
+ if (IsConst && (Decl->getStorageClass() != SC_Static)) {
+ // No fix available if it is not a static constant, since it is difficult
+ // to determine the proper fix in this case.
+ return FixItHint();
+ }
+
char FC = Decl->getName()[0];
if (!llvm::isAlpha(FC) || Decl->getName().size() == 1) {
// No fix available if first character is not alphabetical character, or it
- // is a single-character variable, since it is difficult to determine the
+ // is a single-character variable, since it is difficult to determine the
// proper fix in this case. Users should create a proper variable name by
// their own.
return FixItHint();
}
char SC = Decl->getName()[1];
if ((FC == 'k' || FC == 'g') && !llvm::isAlpha(SC)) {
- // No fix available if the prefix is correct but the second character is not
- // alphabetical, since it is difficult to determine the proper fix in this
- // case.
+ // No fix available if the prefix is correct but the second character is
+ // not alphabetical, since it is difficult to determine the proper fix in
+ // this case.
return FixItHint();
}
+
auto NewName = (IsConst ? "k" : "g") +
llvm::StringRef(std::string(1, FC)).upper() +
Decl->getName().substr(1).str();
+
return FixItHint::CreateReplacement(
CharSourceRange::getTokenRange(SourceRange(Decl->getLocation())),
llvm::StringRef(NewName));
@@ -71,7 +77,7 @@
this);
Finder->addMatcher(varDecl(hasGlobalStorage(), hasType(isConstQualified()),
unless(isLocalVariable()),
- unless(matchesName("::(k[A-Z]|[A-Z]{2,})")))
+ unless(matchesName("::(k[A-Z])|([A-Z][A-Z0-9])")))
.bind("global_const"),
this);
}
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