Fixes #94940 Run PreStmt and PostStmt checker for GCCAsmStmt. Unittest to validate that corresponding callback functions are triggered.
88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
//===- ExprEngineVisitTest.cpp --------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "CheckerRegistration.h"
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#include "clang/AST/Stmt.h"
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#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h"
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#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
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#include "clang/StaticAnalyzer/Core/Checker.h"
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#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
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#include "gtest/gtest.h"
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using namespace clang;
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using namespace ento;
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namespace {
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void emitErrorReport(CheckerContext &C, const BugType &Bug,
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const std::string &Desc) {
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if (ExplodedNode *Node = C.generateNonFatalErrorNode(C.getState())) {
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auto Report = std::make_unique<PathSensitiveBugReport>(Bug, Desc, Node);
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C.emitReport(std::move(Report));
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}
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}
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#define CREATE_EXPR_ENGINE_CHECKER(CHECKER_NAME, CALLBACK, STMT_TYPE, \
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BUG_NAME) \
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class CHECKER_NAME : public Checker<check::CALLBACK<STMT_TYPE>> { \
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public: \
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void check##CALLBACK(const STMT_TYPE *ASM, CheckerContext &C) const { \
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emitErrorReport(C, Bug, "check" #CALLBACK "<" #STMT_TYPE ">"); \
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} \
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\
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private: \
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const BugType Bug{this, BUG_NAME}; \
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};
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CREATE_EXPR_ENGINE_CHECKER(ExprEngineVisitPreChecker, PreStmt, GCCAsmStmt,
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"GCCAsmStmtBug")
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CREATE_EXPR_ENGINE_CHECKER(ExprEngineVisitPostChecker, PostStmt, GCCAsmStmt,
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"GCCAsmStmtBug")
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void addExprEngineVisitPreChecker(AnalysisASTConsumer &AnalysisConsumer,
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AnalyzerOptions &AnOpts) {
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AnOpts.CheckersAndPackages = {{"ExprEngineVisitPreChecker", true}};
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AnalysisConsumer.AddCheckerRegistrationFn([](CheckerRegistry &Registry) {
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Registry.addChecker<ExprEngineVisitPreChecker>("ExprEngineVisitPreChecker",
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"Desc", "DocsURI");
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});
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}
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void addExprEngineVisitPostChecker(AnalysisASTConsumer &AnalysisConsumer,
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AnalyzerOptions &AnOpts) {
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AnOpts.CheckersAndPackages = {{"ExprEngineVisitPostChecker", true}};
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AnalysisConsumer.AddCheckerRegistrationFn([](CheckerRegistry &Registry) {
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Registry.addChecker<ExprEngineVisitPostChecker>(
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"ExprEngineVisitPostChecker", "Desc", "DocsURI");
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});
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}
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TEST(ExprEngineVisitTest, checkPreStmtGCCAsmStmt) {
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std::string Diags;
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EXPECT_TRUE(runCheckerOnCode<addExprEngineVisitPreChecker>(R"(
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void top() {
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asm("");
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}
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)",
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Diags));
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EXPECT_EQ(Diags, "ExprEngineVisitPreChecker: checkPreStmt<GCCAsmStmt>\n");
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}
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TEST(ExprEngineVisitTest, checkPostStmtGCCAsmStmt) {
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std::string Diags;
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EXPECT_TRUE(runCheckerOnCode<addExprEngineVisitPostChecker>(R"(
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void top() {
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asm("");
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}
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)",
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Diags));
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EXPECT_EQ(Diags, "ExprEngineVisitPostChecker: checkPostStmt<GCCAsmStmt>\n");
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}
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} // namespace
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