[analyzer] Add a test plugin for checker option handling

Differential Revision: https://reviews.llvm.org/D59465

llvm-svn: 360910

5 files changed, 73 insertions, 0 deletions

diff --git a/clang/test/Analysis/checker-plugins.c b/clang/test/Analysis/checker-plugins.c
index f0a5484ae1f..ce618f5cdd5 100644
--- a/clang/test/Analysis/checker-plugins.c
+++ b/clang/test/Analysis/checker-plugins.c
@@ -30,3 +30,18 @@ void caller() {
 
 // CHECK-IMPLICITLY-DISABLED-NOT: example.Dependency
 // CHECK-IMPLICITLY-DISABLED-NOT: example.DependendentChecker
+
+// RUN: %clang_analyze_cc1 %s \
+// RUN:   -load %llvmshlibdir/CheckerOptionHandlingAnalyzerPlugin%pluginext\
+// RUN:   -analyzer-checker=example.MyChecker \
+// RUN:   2>&1 | FileCheck %s -check-prefix=CHECK-CHECKER-OPTION-OUTPUT
+
+// CHECK-CHECKER-OPTION-OUTPUT: Example option is set to false
+
+// RUN: %clang_analyze_cc1 %s \
+// RUN:   -load %llvmshlibdir/CheckerOptionHandlingAnalyzerPlugin%pluginext\
+// RUN:   -analyzer-checker=example.MyChecker \
+// RUN:   -analyzer-config example.MyChecker:ExampleOption=true \
+// RUN:   2>&1 | FileCheck %s -check-prefix=CHECK-CHECKER-OPTION-OUTPUT-TRUE
+
+// CHECK-CHECKER-OPTION-OUTPUT-TRUE: Example option is set to true
diff --git a/clang/test/Analysis/plugins/CMakeLists.txt b/clang/test/Analysis/plugins/CMakeLists.txt
index 3f538d9e0ef..8d4333f99a4 100644
--- a/clang/test/Analysis/plugins/CMakeLists.txt
+++ b/clang/test/Analysis/plugins/CMakeLists.txt
@@ -1,9 +1,11 @@
 add_subdirectory(SampleAnalyzer)
 add_subdirectory(CheckerDependencyHandling)
+add_subdirectory(CheckerOptionHandling)
 
 set(CLANG_ANALYZER_PLUGIN_DEPS
   SampleAnalyzerPlugin
   CheckerDependencyHandlingAnalyzerPlugin
+  CheckerOptionHandlingAnalyzerPlugin
   )
 
 add_custom_target(clang-analyzer-plugin
diff --git a/clang/test/Analysis/plugins/CheckerOptionHandling/CMakeLists.txt b/clang/test/Analysis/plugins/CheckerOptionHandling/CMakeLists.txt
new file mode 100644
index 00000000000..6a1d5e85279
--- /dev/null
+++ b/clang/test/Analysis/plugins/CheckerOptionHandling/CMakeLists.txt
@@ -0,0 +1,11 @@
+set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/CheckerOptionHandlingAnalyzerPlugin.exports)
+add_llvm_library(CheckerOptionHandlingAnalyzerPlugin MODULE CheckerOptionHandling.cpp PLUGIN_TOOL clang)
+
+if(LLVM_ENABLE_PLUGINS AND (WIN32 OR CYGWIN))
+  target_link_libraries(CheckerOptionHandlingAnalyzerPlugin PRIVATE
+    clangAnalysis
+    clangAST
+    clangStaticAnalyzerCore
+    LLVMSupport
+    )
+endif()
diff --git a/clang/test/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandling.cpp b/clang/test/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandling.cpp
new file mode 100644
index 00000000000..01ddcf51534
--- /dev/null
+++ b/clang/test/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandling.cpp
@@ -0,0 +1,43 @@
+#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
+#include "clang/StaticAnalyzer/Core/Checker.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
+#include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
+
+using namespace clang;
+using namespace ento;
+
+namespace {
+struct MyChecker : public Checker<check::BeginFunction> {
+  void checkBeginFunction(CheckerContext &Ctx) const {}
+};
+
+void registerMyChecker(CheckerManager &Mgr) {
+  MyChecker *Checker = Mgr.registerChecker<MyChecker>();
+  llvm::outs() << "Example option is set to "
+               << (Mgr.getAnalyzerOptions().getCheckerBooleanOption(
+                       Checker, "ExampleOption", false)
+                       ? "true"
+                       : "false")
+               << '\n';
+}
+
+bool shouldRegisterMyChecker(const LangOptions &LO) { return true; }
+
+} // end anonymous namespace
+
+// Register plugin!
+extern "C" void clang_registerCheckers(CheckerRegistry &registry) {
+  registry.addChecker(registerMyChecker, shouldRegisterMyChecker,
+                      "example.MyChecker", "Example Description",
+                      "example.mychecker.documentation.nonexistent.html",
+                      /*isHidden*/false);
+
+  registry.addCheckerOption(/*OptionType*/ "bool",
+                            /*CheckerFullName*/ "example.MyChecker",
+                            /*OptionName*/ "ExampleOption",
+                            /*DefaultValStr*/ "false",
+                            /*Description*/ "This is an example checker opt.");
+}
+
+extern "C" const char clang_analyzerAPIVersionString[] =
+    CLANG_ANALYZER_API_VERSION_STRING;
diff --git a/clang/test/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandlingAnalyzerPlugin.exports b/clang/test/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandlingAnalyzerPlugin.exports
new file mode 100644
index 00000000000..8d9ff882cfb
--- /dev/null
+++ b/clang/test/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandlingAnalyzerPlugin.exports
@@ -0,0 +1,2 @@
+clang_registerCheckers
+clang_analyzerAPIVersionString