[clang-tools-extra] r351348 - [clang-tidy] Move the macro helper function to a common location; NFC

[Hyrum Wright via cfe-commits]

Author: hwright
Date: Wed Jan 16 06:49:32 2019
New Revision: 351348

URL: http://llvm.org/viewvc/llvm-project?rev=351348&view=rev
Log:
[clang-tidy] Move the macro helper function to a common location; NFC

This is useful for multiple checks.

Modified:
    clang-tools-extra/trunk/clang-tidy/abseil/DurationComparisonCheck.cpp
    clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.cpp
    clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.h

Modified: clang-tools-extra/trunk/clang-tidy/abseil/DurationComparisonCheck.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-tidy/abseil/DurationComparisonCheck.cpp?rev=351348&r1=351347&r2=351348&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-tidy/abseil/DurationComparisonCheck.cpp (original)
+++ clang-tools-extra/trunk/clang-tidy/abseil/DurationComparisonCheck.cpp Wed Jan 16 06:49:32 2019
@@ -19,26 +19,6 @@ namespace clang {
 namespace tidy {
 namespace abseil {
 
-/// Return `true` if `E` is a either: not a macro at all; or an argument to
-/// one. In the latter case, we should still transform it.
-static bool IsValidMacro(const MatchFinder::MatchResult &Result,
-                         const Expr *E) {
-  if (!E->getBeginLoc().isMacroID())
-    return true;
-
-  SourceLocation Loc = E->getBeginLoc();
-  // We want to get closer towards the initial macro typed into the source only
-  // if the location is being expanded as a macro argument.
-  while (Result.SourceManager->isMacroArgExpansion(Loc)) {
-    // We are calling getImmediateMacroCallerLoc, but note it is essentially
-    // equivalent to calling getImmediateSpellingLoc in this context according
-    // to Clang implementation. We are not calling getImmediateSpellingLoc
-    // because Clang comment says it "should not generally be used by clients."
-    Loc = Result.SourceManager->getImmediateMacroCallerLoc(Loc);
-  }
-  return !Loc.isMacroID();
-}
-
 void DurationComparisonCheck::registerMatchers(MatchFinder *Finder) {
   auto Matcher =
       binaryOperator(anyOf(hasOperatorName(">"), hasOperatorName(">="),
@@ -64,8 +44,8 @@ void DurationComparisonCheck::check(cons
   // want to handle the case of rewriting both sides. This is much simpler if
   // we unconditionally try and rewrite both, and let the rewriter determine
   // if nothing needs to be done.
-  if (!IsValidMacro(Result, Binop->getLHS()) ||
-      !IsValidMacro(Result, Binop->getRHS()))
+  if (!isNotInMacro(Result, Binop->getLHS()) ||
+      !isNotInMacro(Result, Binop->getRHS()))
     return;
   std::string LhsReplacement =
       rewriteExprFromNumberToDuration(Result, *Scale, Binop->getLHS());

Modified: clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.cpp?rev=351348&r1=351347&r2=351348&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.cpp (original)
+++ clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.cpp Wed Jan 16 06:49:32 2019
@@ -216,6 +216,23 @@ std::string rewriteExprFromNumberToDurat
       .str();
 }
 
+bool isNotInMacro(const MatchFinder::MatchResult &Result, const Expr *E) {
+  if (!E->getBeginLoc().isMacroID())
+    return true;
+
+  SourceLocation Loc = E->getBeginLoc();
+  // We want to get closer towards the initial macro typed into the source only
+  // if the location is being expanded as a macro argument.
+  while (Result.SourceManager->isMacroArgExpansion(Loc)) {
+    // We are calling getImmediateMacroCallerLoc, but note it is essentially
+    // equivalent to calling getImmediateSpellingLoc in this context according
+    // to Clang implementation. We are not calling getImmediateSpellingLoc
+    // because Clang comment says it "should not generally be used by clients."
+    Loc = Result.SourceManager->getImmediateMacroCallerLoc(Loc);
+  }
+  return !Loc.isMacroID();
+}
+
 } // namespace abseil
 } // namespace tidy
 } // namespace clang

Modified: clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.h?rev=351348&r1=351347&r2=351348&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.h (original)
+++ clang-tools-extra/trunk/clang-tidy/abseil/DurationRewriter.h Wed Jan 16 06:49:32 2019
@@ -75,6 +75,11 @@ std::string rewriteExprFromNumberToDurat
     const ast_matchers::MatchFinder::MatchResult &Result, DurationScale Scale,
     const Expr *Node);
 
+/// Return `true` if `E` is a either: not a macro at all; or an argument to
+/// one.  In the both cases, we often want to do the transformation.
+bool isNotInMacro(const ast_matchers::MatchFinder::MatchResult &Result,
+                  const Expr *E);
+
 AST_MATCHER_FUNCTION(ast_matchers::internal::Matcher<FunctionDecl>,
                      DurationConversionFunction) {
   using namespace clang::ast_matchers;