From 705fd953ef3374e7799d834765fcc0966a60177a Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 26 Nov 2009 02:32:19 +0000
Subject: [PATCH] Added batch versions of GRState::scanReachableSymbols() so
 that clients can scan a collection of SVals or MemRegions all at once.

llvm-svn: 89926
---
 .../clang/Analysis/PathSensitive/GRState.h    | 27 +++++++++++++++++++
 clang/lib/Analysis/GRState.cpp                | 21 +++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/clang/include/clang/Analysis/PathSensitive/GRState.h b/clang/include/clang/Analysis/PathSensitive/GRState.h
index ef0c36c44d9f..898f6edad0f2 100644
--- a/clang/include/clang/Analysis/PathSensitive/GRState.h
+++ b/clang/include/clang/Analysis/PathSensitive/GRState.h
@@ -264,8 +264,21 @@ public:
   const llvm::APSInt *getSymVal(SymbolRef sym);
 
   bool scanReachableSymbols(SVal val, SymbolVisitor& visitor) const;
+  
+  bool scanReachableSymbols(const SVal *I, const SVal *E,
+                            SymbolVisitor &visitor) const;
+  
+  bool scanReachableSymbols(const MemRegion * const *I, 
+                            const MemRegion * const *E,
+                            SymbolVisitor &visitor) const;
 
   template <typename CB> CB scanReachableSymbols(SVal val) const;
+  template <typename CB> CB scanReachableSymbols(const SVal *beg,
+                                                 const SVal *end) const;
+  
+  template <typename CB> CB
+  scanReachableSymbols(const MemRegion * const *beg,
+                       const MemRegion * const *end) const;
 
   //==---------------------------------------------------------------------==//
   // Accessing the Generic Data Map (GDM).
@@ -726,7 +739,21 @@ CB GRState::scanReachableSymbols(SVal val) const {
   scanReachableSymbols(val, cb);
   return cb;
 }
+  
+template <typename CB>
+CB GRState::scanReachableSymbols(const SVal *beg, const SVal *end) const {
+  CB cb(this);
+  scanReachableSymbols(beg, end, cb);
+  return cb;
+}
 
+template <typename CB>
+CB GRState::scanReachableSymbols(const MemRegion * const *beg,
+                                 const MemRegion * const *end) const {
+  CB cb(this);
+  scanReachableSymbols(beg, end, cb);
+  return cb;
+}
 } // end clang namespace
 
 #endif
diff --git a/clang/lib/Analysis/GRState.cpp b/clang/lib/Analysis/GRState.cpp
index 23ee0b2258bd..5284d65e9ade 100644
--- a/clang/lib/Analysis/GRState.cpp
+++ b/clang/lib/Analysis/GRState.cpp
@@ -308,6 +308,27 @@ bool GRState::scanReachableSymbols(SVal val, SymbolVisitor& visitor) const {
   return S.scan(val);
 }
 
+bool GRState::scanReachableSymbols(const SVal *I, const SVal *E,
+                                   SymbolVisitor &visitor) const {
+  ScanReachableSymbols S(this, visitor);
+  for ( ; I != E; ++I) {
+    if (S.scan(*I))
+      return true;
+  }
+  return false;  
+}
+
+bool GRState::scanReachableSymbols(const MemRegion * const *I,
+                                   const MemRegion * const *E,
+                                   SymbolVisitor &visitor) const {
+  ScanReachableSymbols S(this, visitor);
+  for ( ; I != E; ++I) {
+    if (S.scan(*I))
+      return true;
+  }
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 // Queries.
 //===----------------------------------------------------------------------===//