new clang plugin: staticmethods

Genius suggestion from Tor Lillqvist, write a clang plugin that finds
methods that can be static.

Change-Id: Ie6684cc95d088e8750b300a028b49f763da00345

1 files changed, 1 insertions, 14 deletions

diff --git a/compilerplugins/clang/literaltoboolconversion.cxx b/compilerplugins/clang/literaltoboolconversion.cxx
index 65fe53cdcfba..00ecdd8045c1 100644
--- a/compilerplugins/clang/literaltoboolconversion.cxx
+++ b/compilerplugins/clang/literaltoboolconversion.cxx
@@ -29,8 +29,6 @@ public:
 
 private:
     bool isFromCIncludeFile(SourceLocation spellingLocation) const;
-
-    bool isMacroBodyExpansion(SourceLocation location) const;
 };
 
 bool LiteralToBoolConversion::VisitImplicitCastExpr(
@@ -64,7 +62,7 @@ bool LiteralToBoolConversion::VisitImplicitCastExpr(
         while (compiler.getSourceManager().isMacroArgExpansion(loc)) {
             loc = compiler.getSourceManager().getImmediateMacroCallerLoc(loc);
         }
-        if (isMacroBodyExpansion(loc)) {
+        if (isMacroBodyExpansion(compiler, loc)) {
             StringRef name { Lexer::getImmediateMacroName(
                 loc, compiler.getSourceManager(), compiler.getLangOpts()) };
             if (name == "sal_False" || name == "sal_True") {
@@ -166,17 +164,6 @@ bool LiteralToBoolConversion::isFromCIncludeFile(
             .endswith(".h"));
 }
 
-bool LiteralToBoolConversion::isMacroBodyExpansion(SourceLocation location)
-    const
-{
-#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
-    return compiler.getSourceManager().isMacroBodyExpansion(location);
-#else
-    return location.isMacroID()
-        && !compiler.getSourceManager().isMacroArgExpansion(location);
-#endif
-}
-
 loplugin::Plugin::Registration<LiteralToBoolConversion> X(
     "literaltoboolconversion", true);