Refactoring from std::ostream to llvm::raw_ostream

According to LLVM: lightweight and simpler implementation of streams.

1 files changed, 6 insertions, 5 deletions

diff --git a/lib/Expr/Expr.cpp b/lib/Expr/Expr.cpp
index 82c60205..14737e8c 100644
--- a/lib/Expr/Expr.cpp
+++ b/lib/Expr/Expr.cpp
@@ -14,6 +14,7 @@
 #include "llvm/ADT/Hashing.h"
 #endif
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h"
 // FIXME: We shouldn't need this once fast constant support moves into
 // Core. If we need to do arithmetic, we probably want to use APInt.
 #include "klee/Internal/Support/IntEvaluation.h"
@@ -116,7 +117,7 @@ int Expr::compare(const Expr &b, ExprEquivSet &equivs) const {
   return 0;
 }
 
-void Expr::printKind(std::ostream &os, Kind k) {
+void Expr::printKind(llvm::raw_ostream &os, Kind k) {
   switch(k) {
 #define X(C) case C: os << #C; break
     X(Constant);
@@ -286,7 +287,7 @@ ref<Expr> Expr::createFromKind(Kind k, std::vector<CreateArg> args) {
 }
 
 
-void Expr::printWidth(std::ostream &os, Width width) {
+void Expr::printWidth(llvm::raw_ostream &os, Width width) {
   switch(width) {
   case Expr::Bool: os << "Expr::Bool"; break;
   case Expr::Int8: os << "Expr::Int8"; break;
@@ -306,13 +307,13 @@ ref<Expr> Expr::createIsZero(ref<Expr> e) {
   return EqExpr::create(e, ConstantExpr::create(0, e->getWidth()));
 }
 
-void Expr::print(std::ostream &os) const {
+void Expr::print(llvm::raw_ostream &os) const {
   ExprPPrinter::printSingleExpr(os, const_cast<Expr*>(this));
 }
 
 void Expr::dump() const {
-  this->print(std::cerr);
-  std::cerr << std::endl;
+  this->print(errs());
+  errs() << "\n";
 }
 
 /***/