Reland "[analyzer] Add an example plugin for checker dependency handling"

Buildbots complained that they couldn't find the newly added plugins.

The solution was to move the check-clang cmake target closer to the bottom of
the file, after the new dependencies are added.

Differential Revision: https://reviews.llvm.org/D59464

llvm-svn: 360891

4 files changed, 0 insertions, 70 deletions

diff --git a/clang/examples/CMakeLists.txt b/clang/examples/CMakeLists.txt
index 8c2654840a9..e4fedf3682e 100644
--- a/clang/examples/CMakeLists.txt
+++ b/clang/examples/CMakeLists.txt
@@ -3,9 +3,6 @@ if(NOT CLANG_BUILD_EXAMPLES)
   set(EXCLUDE_FROM_ALL ON)
 endif()
 
-if(CLANG_ENABLE_STATIC_ANALYZER)
-add_subdirectory(analyzer-plugin)
-endif()
 add_subdirectory(clang-interpreter)
 add_subdirectory(PrintFunctionNames)
 add_subdirectory(AnnotateFunctions)
diff --git a/clang/examples/analyzer-plugin/CMakeLists.txt b/clang/examples/analyzer-plugin/CMakeLists.txt
deleted file mode 100644
index 7c7b2aec198..00000000000
--- a/clang/examples/analyzer-plugin/CMakeLists.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/SampleAnalyzerPlugin.exports)
-add_llvm_library(SampleAnalyzerPlugin MODULE MainCallChecker.cpp PLUGIN_TOOL clang)
-
-if(LLVM_ENABLE_PLUGINS AND (WIN32 OR CYGWIN))
-  target_link_libraries(SampleAnalyzerPlugin PRIVATE
-    clangAnalysis
-    clangAST
-    clangStaticAnalyzerCore
-    LLVMSupport
-    )
-endif()
diff --git a/clang/examples/analyzer-plugin/MainCallChecker.cpp b/clang/examples/analyzer-plugin/MainCallChecker.cpp
deleted file mode 100644
index 77316d696de..00000000000
--- a/clang/examples/analyzer-plugin/MainCallChecker.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#include "clang/StaticAnalyzer/Core/Checker.h"
-#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
-#include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
-
-using namespace clang;
-using namespace ento;
-
-namespace {
-class MainCallChecker : public Checker < check::PreStmt<CallExpr> > {
-  mutable std::unique_ptr<BugType> BT;
-
-public:
-  void checkPreStmt(const CallExpr *CE, CheckerContext &C) const;
-};
-} // end anonymous namespace
-
-void MainCallChecker::checkPreStmt(const CallExpr *CE, CheckerContext &C) const {
-  const Expr *Callee = CE->getCallee();
-  const FunctionDecl *FD = C.getSVal(Callee).getAsFunctionDecl();
-
-  if (!FD)
-    return;
-
-  // Get the name of the callee.
-  IdentifierInfo *II = FD->getIdentifier();
-  if (!II)   // if no identifier, not a simple C function
-    return;
-
-  if (II->isStr("main")) {
-    ExplodedNode *N = C.generateErrorNode();
-    if (!N)
-      return;
-
-    if (!BT)
-      BT.reset(new BugType(this, "call to main", "example analyzer plugin"));
-
-    std::unique_ptr<BugReport> report =
-        llvm::make_unique<BugReport>(*BT, BT->getName(), N);
-    report->addRange(Callee->getSourceRange());
-    C.emitReport(std::move(report));
-  }
-}
-
-// Register plugin!
-extern "C"
-void clang_registerCheckers (CheckerRegistry &registry) {
-  registry.addChecker<MainCallChecker>(
-      "example.MainCallChecker", "Disallows calls to functions called main",
-      "");
-}
-
-extern "C"
-const char clang_analyzerAPIVersionString[] = CLANG_ANALYZER_API_VERSION_STRING;
diff --git a/clang/examples/analyzer-plugin/SampleAnalyzerPlugin.exports b/clang/examples/analyzer-plugin/SampleAnalyzerPlugin.exports
deleted file mode 100644
index 8d9ff882cfb..00000000000
--- a/clang/examples/analyzer-plugin/SampleAnalyzerPlugin.exports
+++ /dev/null
@@ -1,2 +0,0 @@
-clang_registerCheckers
-clang_analyzerAPIVersionString