From 9993a3858307d6f85647575833e6592ff6631339 Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Tue, 29 Mar 2011 18:53:00 +0000
Subject: [PATCH] For ClangSACheckersEmitter, allow a package to belong to
 checker group, in which all its checkers will go into the group.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128474 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/ClangSACheckersEmitter.cpp | 36 ++++++++++++++++++-----
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/utils/TableGen/ClangSACheckersEmitter.cpp b/utils/TableGen/ClangSACheckersEmitter.cpp
index 8865db36b6c..28eaaee7a68 100644
--- a/utils/TableGen/ClangSACheckersEmitter.cpp
+++ b/utils/TableGen/ClangSACheckersEmitter.cpp
@@ -71,7 +71,7 @@ static std::string getStringValue(const Record &R, StringRef field) {
 
 namespace {
 struct GroupInfo {
-  std::vector<const Record*> Checkers;
+  llvm::DenseSet<const Record*> Checkers;
   llvm::DenseSet<const Record *> SubGroups;
   bool Hidden;
   unsigned Index;
@@ -80,6 +80,19 @@ struct GroupInfo {
 };
 }
 
+static void addPackageToCheckerGroup(const Record *package, const Record *group,
+                  llvm::DenseMap<const Record *, GroupInfo *> &recordGroupMap) {
+  llvm::DenseSet<const Record *> &checkers = recordGroupMap[package]->Checkers;
+  for (llvm::DenseSet<const Record *>::iterator
+         I = checkers.begin(), E = checkers.end(); I != E; ++I)
+    recordGroupMap[group]->Checkers.insert(*I);
+
+  llvm::DenseSet<const Record *> &subGroups = recordGroupMap[package]->SubGroups;
+  for (llvm::DenseSet<const Record *>::iterator
+         I = subGroups.begin(), E = subGroups.end(); I != E; ++I)
+    addPackageToCheckerGroup(*I, group, recordGroupMap);
+}
+
 void ClangSACheckersEmitter::run(raw_ostream &OS) {
   std::vector<Record*> checkers = Records.getAllDerivedDefinitions("Checker");
   llvm::DenseMap<const Record *, unsigned> checkerRecIndexMap;
@@ -150,9 +163,9 @@ void ClangSACheckersEmitter::run(raw_ostream &OS) {
       GroupInfo &info = groupInfoByName[fullName];
       info.Hidden = R->getValueAsBit("Hidden");
       recordGroupMap[R] = &info;
-      info.Checkers.push_back(R);
+      info.Checkers.insert(R);
     } else {
-      recordGroupMap[package]->Checkers.push_back(R);
+      recordGroupMap[package]->Checkers.insert(R);
     }
 
     Record *currR = isCheckerNamed(R) ? R : package;
@@ -166,9 +179,15 @@ void ClangSACheckersEmitter::run(raw_ostream &OS) {
     }
     // Insert the checker into the set of its group.
     if (DefInit *DI = dynamic_cast<DefInit*>(R->getValueInit("Group")))
-      recordGroupMap[DI->getDef()]->Checkers.push_back(R);
+      recordGroupMap[DI->getDef()]->Checkers.insert(R);
   }
 
+  // If a package is in group, add all its checkers and its sub-packages
+  // checkers into the group.
+  for (unsigned i = 0, e = packages.size(); i != e; ++i)
+    if (DefInit *DI = dynamic_cast<DefInit*>(packages[i]->getValueInit("Group")))
+      addPackageToCheckerGroup(packages[i], DI->getDef(), recordGroupMap);
+
   unsigned index = 0;
   for (std::map<std::string, GroupInfo>::iterator
          I = groupInfoByName.begin(), E = groupInfoByName.end(); I != E; ++I)
@@ -183,11 +202,12 @@ void ClangSACheckersEmitter::run(raw_ostream &OS) {
          I = groupInfoByName.begin(), E = groupInfoByName.end(); I != E; ++I) {
     maxLen = std::max(maxLen, (unsigned)I->first.size());
     
-    std::vector<const Record*> &V = I->second.Checkers;
-    if (!V.empty()) {
+    llvm::DenseSet<const Record *> &checkers = I->second.Checkers;
+    if (!checkers.empty()) {
       OS << "static const short CheckerArray" << I->second.Index << "[] = { ";
-      for (unsigned i = 0, e = V.size(); i != e; ++i)
-        OS << checkerRecIndexMap[V[i]] << ", ";
+      for (llvm::DenseSet<const Record *>::iterator
+          I = checkers.begin(), E = checkers.end(); I != E; ++I)
+        OS << checkerRecIndexMap[*I] << ", ";
       OS << "-1 };\n";
     }
     
-- 
2.34.1