Revert "[analyzer] Add a test for plugins using checker dependencies"

Buildbots don't seem to find the new plugin.

llvm-svn: 360805

4 files changed, 70 insertions, 0 deletions

diff --git a/clang/examples/CMakeLists.txt b/clang/examples/CMakeLists.txt
index e4fedf3..8c26548 100644
--- a/clang/examples/CMakeLists.txt
+++ b/clang/examples/CMakeLists.txt
@@ -3,6 +3,9 @@ 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
new file mode 100644
index 0000000..7c7b2ae
--- /dev/null
+++ b/clang/examples/analyzer-plugin/CMakeLists.txt
@@ -0,0 +1,11 @@
+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
new file mode 100644
index 0000000..77316d6
--- /dev/null
+++ b/clang/examples/analyzer-plugin/MainCallChecker.cpp
@@ -0,0 +1,54 @@
+#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
new file mode 100644
index 0000000..8d9ff88
--- /dev/null
+++ b/clang/examples/analyzer-plugin/SampleAnalyzerPlugin.exports
@@ -0,0 +1,2 @@
+clang_registerCheckers
+clang_analyzerAPIVersionString