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BugReporter: Use llvm::raw_string_stream instead of std::ostringstream. 

llvm-svn: 64259
This commit is contained in:
Ted Kremenek 2009-02-10 23:56:07 +00:00
parent 6abe6923e5
commit a3d9025dd3
1 changed files with 25 additions and 29 deletions
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54
clang/lib/Analysis/BugReporter.cpp
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@ -24,7 +24,6 @@
#include "llvm/Support/raw_ostream.h" #include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/DenseMap.h" #include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h" #include "llvm/ADT/STLExtras.h"
#include <sstream>
using namespace clang; using namespace clang;
@ -75,27 +74,26 @@ static inline Stmt* GetStmt(const ExplodedNode<GRState>* N) {
return isa<BlockEntrance>(ProgP) ? GetLastStmt(N) : GetStmt(ProgP); return isa<BlockEntrance>(ProgP) ? GetLastStmt(N) : GetStmt(ProgP);
} }
static void ExecutionContinues(std::ostringstream& os, SourceManager& SMgr, static void ExecutionContinues(llvm::raw_string_ostream& os,
const Stmt* S) { SourceManager& SMgr,
const Stmt* S) {
if (!S) if (!S)
return; return;
// Slow, but probably doesn't matter. // Slow, but probably doesn't matter.
if (os.str().empty()) if (os.str().empty()) os << ' ';
os << ' ';
os << "Execution continues on line " os << "Execution continues on line "
<< SMgr.getInstantiationLineNumber(S->getLocStart()) << '.'; << SMgr.getInstantiationLineNumber(S->getLocStart()) << '.';
} }
static inline void ExecutionContinues(std::ostringstream& os, static inline void ExecutionContinues(llvm::raw_string_ostream& os,
SourceManager& SMgr, SourceManager& SMgr,
const ExplodedNode<GRState>* N) { const ExplodedNode<GRState>* N) {
ExecutionContinues(os, SMgr, GetStmt(N->getLocation())); ExecutionContinues(os, SMgr, GetStmt(N->getLocation()));
} }
static inline void ExecutionContinues(std::ostringstream& os, static inline void ExecutionContinues(llvm::raw_string_ostream& os,
SourceManager& SMgr, SourceManager& SMgr,
const CFGBlock* B) { const CFGBlock* B) {
ExecutionContinues(os, SMgr, GetStmt(B)); ExecutionContinues(os, SMgr, GetStmt(B));
@ -603,7 +601,8 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
if (!S) if (!S)
continue; continue;
std::ostringstream os; std::string sbuf;
llvm::raw_string_ostream os(sbuf);
os << "Control jumps to line " os << "Control jumps to line "
<< SMgr.getInstantiationLineNumber(S->getLocStart()) << ".\n"; << SMgr.getInstantiationLineNumber(S->getLocStart()) << ".\n";
@ -612,11 +611,10 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
break; break;
} }
case Stmt::SwitchStmtClass: { case Stmt::SwitchStmtClass: {
// Figure out what case arm we took. // Figure out what case arm we took.
std::string sbuf;
std::ostringstream os; llvm::raw_string_ostream os(sbuf);
if (Stmt* S = Dst->getLabel()) if (Stmt* S = Dst->getLabel())
switch (S->getStmtClass()) { switch (S->getStmtClass()) {
@ -663,9 +661,8 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
continue; continue;
} }
llvm::raw_os_ostream OS(os); os << V;
OS << V; }
}
os << ":' at line " os << ":' at line "
<< SMgr.getInstantiationLineNumber(S->getLocStart()) << ".\n"; << SMgr.getInstantiationLineNumber(S->getLocStart()) << ".\n";
@ -684,15 +681,16 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
case Stmt::BreakStmtClass: case Stmt::BreakStmtClass:
case Stmt::ContinueStmtClass: { case Stmt::ContinueStmtClass: {
std::ostringstream os; std::string sbuf;
llvm::raw_string_ostream os(sbuf);
ExecutionContinues(os, SMgr, LastNode); ExecutionContinues(os, SMgr, LastNode);
PD.push_front(new PathDiagnosticPiece(L, os.str())); PD.push_front(new PathDiagnosticPiece(L, os.str()));
break; break;
} }
case Stmt::ConditionalOperatorClass: { case Stmt::ConditionalOperatorClass: {
std::string sbuf;
std::ostringstream os; llvm::raw_string_ostream os(sbuf);
os << "'?' condition evaluates to "; os << "'?' condition evaluates to ";
if (*(Src->succ_begin()+1) == Dst) if (*(Src->succ_begin()+1) == Dst)
@ -700,16 +698,15 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
else else
os << "true."; os << "true.";
PD.push_front(new PathDiagnosticPiece(L, os.str())); PD.push_front(new PathDiagnosticPiece(L, os.str()));
break; break;
} }
case Stmt::DoStmtClass: { case Stmt::DoStmtClass: {
if (*(Src->succ_begin()) == Dst) { if (*(Src->succ_begin()) == Dst) {
std::string sbuf;
std::ostringstream os; llvm::raw_string_ostream os(sbuf);
os << "Loop condition is true. "; os << "Loop condition is true. ";
ExecutionContinues(os, SMgr, Dst); ExecutionContinues(os, SMgr, Dst);
@ -727,12 +724,12 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
case Stmt::ForStmtClass: { case Stmt::ForStmtClass: {
if (*(Src->succ_begin()+1) == Dst) { if (*(Src->succ_begin()+1) == Dst) {
std::string sbuf;
std::ostringstream os; llvm::raw_string_ostream os(sbuf);
os << "Loop condition is false. "; os << "Loop condition is false. ";
ExecutionContinues(os, SMgr, Dst); ExecutionContinues(os, SMgr, Dst);
PD.push_front(new PathDiagnosticPiece(L, os.str())); PD.push_front(new PathDiagnosticPiece(L, os.str()));
} }
else else
@ -742,8 +739,7 @@ void GRBugReporter::GeneratePathDiagnostic(PathDiagnostic& PD,
break; break;
} }
case Stmt::IfStmtClass: { case Stmt::IfStmtClass: {
if (*(Src->succ_begin()+1) == Dst) if (*(Src->succ_begin()+1) == Dst)
PD.push_front(new PathDiagnosticPiece(L, "Taking false branch.")); PD.push_front(new PathDiagnosticPiece(L, "Taking false branch."));
else else