diff options
Diffstat (limited to 'clang/test/Analysis')
9 files changed, 144 insertions, 2 deletions
diff --git a/clang/test/Analysis/checker-plugins.c b/clang/test/Analysis/checker-plugins.c index ee60ec6e219..f0a5484ae1f 100644 --- a/clang/test/Analysis/checker-plugins.c +++ b/clang/test/Analysis/checker-plugins.c @@ -1,5 +1,8 @@ -// RUN: %clang_analyze_cc1 -load %llvmshlibdir/SampleAnalyzerPlugin%pluginext -analyzer-checker='example.MainCallChecker' -verify %s -// REQUIRES: plugins, examples +// RUN: %clang_analyze_cc1 -verify %s \ +// RUN: -load %llvmshlibdir/SampleAnalyzerPlugin%pluginext \ +// RUN: -analyzer-checker='example.MainCallChecker' + +// REQUIRES: plugins // Test that the MainCallChecker example analyzer plugin loads and runs. @@ -8,3 +11,22 @@ int main(); void caller() { main(); // expected-warning {{call to main}} } + +// RUN: %clang_analyze_cc1 %s \ +// RUN: -load %llvmshlibdir/CheckerDependencyHandlingAnalyzerPlugin%pluginext\ +// RUN: -analyzer-checker=example.DependendentChecker \ +// RUN: -analyzer-list-enabled-checkers \ +// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IMPLICITLY-ENABLED + +// CHECK-IMPLICITLY-ENABLED: example.Dependency +// CHECK-IMPLICITLY-ENABLED: example.DependendentChecker + +// RUN: %clang_analyze_cc1 %s \ +// RUN: -load %llvmshlibdir/CheckerDependencyHandlingAnalyzerPlugin%pluginext\ +// RUN: -analyzer-checker=example.DependendentChecker \ +// RUN: -analyzer-disable-checker=example.Dependency \ +// RUN: -analyzer-list-enabled-checkers \ +// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IMPLICITLY-DISABLED + +// CHECK-IMPLICITLY-DISABLED-NOT: example.Dependency +// CHECK-IMPLICITLY-DISABLED-NOT: example.DependendentChecker diff --git a/clang/test/Analysis/lit.local.cfg b/clang/test/Analysis/lit.local.cfg index 84f7569152c..b77cae8eceb 100644 --- a/clang/test/Analysis/lit.local.cfg +++ b/clang/test/Analysis/lit.local.cfg @@ -18,5 +18,7 @@ config.substitutions.append(('%diff_plist', config.substitutions.append(('%diff_sarif', '''diff -U1 -w -I ".*file:.*%basename_t" -I '"version":' -I "2\.0\.0\-csd\.[0-9]*\.beta\."''')) +config.excludes.add('plugins') + if not config.root.clang_staticanalyzer: config.unsupported = True diff --git a/clang/test/Analysis/plugins/CMakeLists.txt b/clang/test/Analysis/plugins/CMakeLists.txt new file mode 100644 index 00000000000..3f538d9e0ef --- /dev/null +++ b/clang/test/Analysis/plugins/CMakeLists.txt @@ -0,0 +1,10 @@ +add_subdirectory(SampleAnalyzer) +add_subdirectory(CheckerDependencyHandling) + +set(CLANG_ANALYZER_PLUGIN_DEPS + SampleAnalyzerPlugin + CheckerDependencyHandlingAnalyzerPlugin + ) + +add_custom_target(clang-analyzer-plugin + DEPENDS ${CLANG_ANALYZER_PLUGIN_DEPS}) diff --git a/clang/test/Analysis/plugins/CheckerDependencyHandling/CMakeLists.txt b/clang/test/Analysis/plugins/CheckerDependencyHandling/CMakeLists.txt new file mode 100644 index 00000000000..80e2cdbd3a2 --- /dev/null +++ b/clang/test/Analysis/plugins/CheckerDependencyHandling/CMakeLists.txt @@ -0,0 +1,11 @@ +set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/CheckerDependencyHandlingAnalyzerPlugin.exports) +add_llvm_library(CheckerDependencyHandlingAnalyzerPlugin MODULE CheckerDependencyHandling.cpp PLUGIN_TOOL clang) + +if(LLVM_ENABLE_PLUGINS AND (WIN32 OR CYGWIN)) + target_link_libraries(CheckerDependencyHandlingAnalyzerPlugin PRIVATE + clangAnalysis + clangAST + clangStaticAnalyzerCore + LLVMSupport + ) +endif() diff --git a/clang/test/Analysis/plugins/CheckerDependencyHandling/CheckerDependencyHandling.cpp b/clang/test/Analysis/plugins/CheckerDependencyHandling/CheckerDependencyHandling.cpp new file mode 100644 index 00000000000..be8e1200d0b --- /dev/null +++ b/clang/test/Analysis/plugins/CheckerDependencyHandling/CheckerDependencyHandling.cpp @@ -0,0 +1,28 @@ +#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 Dependency : public Checker<check::BeginFunction> { + void checkBeginFunction(CheckerContext &Ctx) const {} +}; +struct DependendentChecker : public Checker<check::BeginFunction> { + void checkBeginFunction(CheckerContext &Ctx) const {} +}; +} // end anonymous namespace + +// Register plugin! +extern "C" void clang_registerCheckers(CheckerRegistry ®istry) { + registry.addChecker<Dependency>("example.Dependency", "", ""); + registry.addChecker<DependendentChecker>("example.DependendentChecker", "", + ""); + + registry.addDependency("example.DependendentChecker", "example.Dependency"); +} + +extern "C" const char clang_analyzerAPIVersionString[] = + CLANG_ANALYZER_API_VERSION_STRING; diff --git a/clang/test/Analysis/plugins/CheckerDependencyHandling/CheckerDependencyHandlingAnalyzerPlugin.exports b/clang/test/Analysis/plugins/CheckerDependencyHandling/CheckerDependencyHandlingAnalyzerPlugin.exports new file mode 100644 index 00000000000..8d9ff882cfb --- /dev/null +++ b/clang/test/Analysis/plugins/CheckerDependencyHandling/CheckerDependencyHandlingAnalyzerPlugin.exports @@ -0,0 +1,2 @@ +clang_registerCheckers +clang_analyzerAPIVersionString diff --git a/clang/test/Analysis/plugins/SampleAnalyzer/CMakeLists.txt b/clang/test/Analysis/plugins/SampleAnalyzer/CMakeLists.txt new file mode 100644 index 00000000000..7c7b2aec198 --- /dev/null +++ b/clang/test/Analysis/plugins/SampleAnalyzer/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/test/Analysis/plugins/SampleAnalyzer/MainCallChecker.cpp b/clang/test/Analysis/plugins/SampleAnalyzer/MainCallChecker.cpp new file mode 100644 index 00000000000..8bd4085108e --- /dev/null +++ b/clang/test/Analysis/plugins/SampleAnalyzer/MainCallChecker.cpp @@ -0,0 +1,54 @@ +#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 { +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 ®istry) { + 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/test/Analysis/plugins/SampleAnalyzer/SampleAnalyzerPlugin.exports b/clang/test/Analysis/plugins/SampleAnalyzer/SampleAnalyzerPlugin.exports new file mode 100644 index 00000000000..8d9ff882cfb --- /dev/null +++ b/clang/test/Analysis/plugins/SampleAnalyzer/SampleAnalyzerPlugin.exports @@ -0,0 +1,2 @@ +clang_registerCheckers +clang_analyzerAPIVersionString |
