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//===--- PathDiagnostic.cpp - Path-Specific Diagnostic Handling -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the PathDiagnostic-related interfaces.
//
//===----------------------------------------------------------------------===//
#include "clang/Analysis/PathDiagnostic.h"
#include "llvm/ADT/SmallString.h"
#include <sstream>
using namespace clang;
static size_t GetNumCharsToLastNonPeriod(const char *s) {
const char *start = s;
const char *lastNonPeriod = 0;
for ( ; *s != '\0' ; ++s)
if (*s != '.') lastNonPeriod = s;
if (!lastNonPeriod)
return 0;
return (lastNonPeriod - start) + 1;
}
static inline size_t GetNumCharsToLastNonPeriod(const std::string &s) {
return s.empty () ? 0 : GetNumCharsToLastNonPeriod(&s[0]);
}
PathDiagnosticPiece::PathDiagnosticPiece(FullSourceLoc pos,
const std::string& s,
Kind k, DisplayHint hint)
: Pos(pos), str(s, 0, GetNumCharsToLastNonPeriod(s)), kind(k), Hint(hint) {}
PathDiagnosticPiece::PathDiagnosticPiece(FullSourceLoc pos,
const char* s, Kind k,
DisplayHint hint)
: Pos(pos), str(s, GetNumCharsToLastNonPeriod(s)), kind(k), Hint(hint) {}
PathDiagnostic::~PathDiagnostic() {
for (iterator I = begin(), E = end(); I != E; ++I) delete &*I;
}
void PathDiagnosticClient::HandleDiagnostic(Diagnostic::Level DiagLevel,
const DiagnosticInfo &Info) {
// Create a PathDiagnostic with a single piece.
PathDiagnostic* D = new PathDiagnostic();
const char *LevelStr;
switch (DiagLevel) {
default:
case Diagnostic::Ignored: assert(0 && "Invalid diagnostic type");
case Diagnostic::Note: LevelStr = "note: "; break;
case Diagnostic::Warning: LevelStr = "warning: "; break;
case Diagnostic::Error: LevelStr = "error: "; break;
case Diagnostic::Fatal: LevelStr = "fatal error: "; break;
}
llvm::SmallString<100> StrC;
StrC += LevelStr;
Info.FormatDiagnostic(StrC);
PathDiagnosticPiece *P =
new PathDiagnosticPiece(Info.getLocation(),
std::string(StrC.begin(), StrC.end()));
for (unsigned i = 0, e = Info.getNumRanges(); i != e; ++i)
P->addRange(Info.getRange(i));
for (unsigned i = 0, e = Info.getNumCodeModificationHints(); i != e; ++i)
P->addCodeModificationHint(Info.getCodeModificationHint(i));
D->push_front(P);
HandlePathDiagnostic(D);
}
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