[PATCH] [clang-tidy] Static Analyzer checker configuration options passthrough

[Phabricator]

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8164

Files:
  clang-tools-extra/trunk/clang-tidy/ClangTidy.cpp
  clang-tools-extra/trunk/test/clang-tidy/static-analyzer-config.cpp

Index: clang-tools-extra/trunk/test/clang-tidy/static-analyzer-config.cpp
===================================================================
--- clang-tools-extra/trunk/test/clang-tidy/static-analyzer-config.cpp
+++ clang-tools-extra/trunk/test/clang-tidy/static-analyzer-config.cpp
@@ -0,0 +1,19 @@
+// RUN: clang-tidy %s -checks='-*,clang-analyzer-unix.Malloc' -config='{CheckOptions: [{ key: "clang-analyzer-unix.Malloc:Optimistic", value: true}]}' -- | FileCheck %s
+typedef __typeof(sizeof(int)) size_t;
+void *malloc(size_t);
+void free(void *);
+void __attribute((ownership_returns(malloc))) *my_malloc(size_t);
+void __attribute((ownership_takes(malloc, 1))) my_free(void *);
+
+void f1() {
+  void *p = malloc(12);
+  return; 
+  // CHECK: warning: Potential leak of memory pointed to by 'p' [clang-analyzer-unix.Malloc]
+}
+
+void af2() {
+  void *p = my_malloc(12);
+  my_free(p);
+  free(p);
+  // CHECK: warning: Attempt to free released memory [clang-analyzer-unix.Malloc]
+}
Index: clang-tools-extra/trunk/clang-tidy/ClangTidy.cpp
===================================================================
--- clang-tools-extra/trunk/clang-tidy/ClangTidy.cpp
+++ clang-tools-extra/trunk/clang-tidy/ClangTidy.cpp
@@ -204,6 +204,17 @@
   }
 }
 
+static void setStaticAnalyzerCheckerOpts(const ClangTidyOptions &Opts,
+                                         AnalyzerOptionsRef AnalyzerOptions) {
+  StringRef AnalyzerPrefix(AnalyzerCheckNamePrefix);
+  for (const auto &Opt : Opts.CheckOptions) {
+    StringRef OptName(Opt.first);
+    if (!OptName.startswith(AnalyzerPrefix))
+      continue;
+    AnalyzerOptions->Config[OptName.substr(AnalyzerPrefix.size())] = Opt.second;
+  }
+}
+
 std::unique_ptr<clang::ASTConsumer>
 ClangTidyASTConsumerFactory::CreateASTConsumer(
     clang::CompilerInstance &Compiler, StringRef File) {
@@ -241,6 +252,7 @@
   GlobList &Filter = Context.getChecksFilter();
   AnalyzerOptions->CheckersControlList = getCheckersControlList(Filter);
   if (!AnalyzerOptions->CheckersControlList.empty()) {
+    setStaticAnalyzerCheckerOpts(Context.getOptions(), AnalyzerOptions);
     AnalyzerOptions->AnalysisStoreOpt = RegionStoreModel;
     AnalyzerOptions->AnalysisDiagOpt = PD_NONE;
     AnalyzerOptions->AnalyzeNestedBlocks = true;

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