From d5ce57184afbf7e4710b37ce827e31f83d270512 Mon Sep 17 00:00:00 2001
From: Roman Lebedev <lebedev.ri@gmail.com>
Date: Fri, 22 Mar 2019 19:45:51 +0000
Subject: [PATCH] [NFC] ExceptionEscapeCheck: small refactoring

Summary:
D59466 wants to analyse the `Stmt`, and `ExceptionEscapeCheck` does not
have that as a possible entry point.
This simplifies addition of `Stmt` analysis entry point.

Reviewers: baloghadamsoftware, JonasToth, gribozavr

Reviewed By: gribozavr

Subscribers: rnkovacs, cfe-commits

Tags: #clang-tools-extra, #clang

Differential Revision: https://reviews.llvm.org/D59650

llvm-svn: 356799
---
 clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.cpp | 16 +++++++++++++++-
 clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.h   |  5 +++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.cpp b/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.cpp
index 9614ceb..f0ec230 100644
--- a/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.cpp
+++ b/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.cpp
@@ -205,7 +205,7 @@ ExceptionAnalyzer::ExceptionInfo ExceptionAnalyzer::throwsException(
 }
 
 ExceptionAnalyzer::ExceptionInfo
-ExceptionAnalyzer::analyze(const FunctionDecl *Func) {
+ExceptionAnalyzer::analyzeImpl(const FunctionDecl *Func) {
   ExceptionInfo ExceptionList;
 
   // Check if the function has already been analyzed and reuse that result.
@@ -221,6 +221,14 @@ ExceptionAnalyzer::analyze(const FunctionDecl *Func) {
   } else
     ExceptionList = FunctionCache[Func];
 
+  return ExceptionList;
+}
+
+template <typename T>
+ExceptionAnalyzer::ExceptionInfo
+ExceptionAnalyzer::analyzeDispatch(const T *Node) {
+  ExceptionInfo ExceptionList = analyzeImpl(Node);
+
   if (ExceptionList.getBehaviour() == State::NotThrowing ||
       ExceptionList.getBehaviour() == State::Unknown)
     return ExceptionList;
@@ -231,6 +239,12 @@ ExceptionAnalyzer::analyze(const FunctionDecl *Func) {
 
   return ExceptionList;
 }
+
+ExceptionAnalyzer::ExceptionInfo
+ExceptionAnalyzer::analyze(const FunctionDecl *Func) {
+  return analyzeDispatch(Func);
+}
+
 } // namespace utils
 } // namespace tidy
 
diff --git a/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.h b/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.h
index 5902e5a..f924a91 100644
--- a/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.h
+++ b/clang-tools-extra/clang-tidy/utils/ExceptionAnalyzer.h
@@ -138,10 +138,15 @@ private:
   throwsException(const Stmt *St, const ExceptionInfo::Throwables &Caught,
                   llvm::SmallSet<const FunctionDecl *, 32> &CallStack);
 
+  ExceptionInfo analyzeImpl(const FunctionDecl *Func);
+
+  template <typename T> ExceptionInfo analyzeDispatch(const T *Node);
+
   bool IgnoreBadAlloc = true;
   llvm::StringSet<> IgnoredExceptions;
   std::map<const FunctionDecl *, ExceptionInfo> FunctionCache;
 };
+
 } // namespace utils
 } // namespace tidy
 } // namespace clang
-- 
2.7.4