clang-1/Driver/TextDiagnostics.cpp

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2.1 KiB
C++

//===--- TextDiagnostics.cpp - Text Diagnostics Parent Class --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Bill Wendling and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is the parent class for all text diagnostics.
//
//===----------------------------------------------------------------------===//
#include "TextDiagnostics.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Lex/HeaderSearch.h"
using namespace clang;
TextDiagnostics:: ~TextDiagnostics() {}
std::string TextDiagnostics::FormatDiagnostic(Diagnostic::Level Level,
diag::kind ID,
const std::string *Strs,
unsigned NumStrs) {
std::string Msg = Diagnostic::getDescription(ID);
// Replace all instances of %0 in Msg with 'Extra'.
for (unsigned i = 0; i < Msg.size() - 1; ++i) {
if (Msg[i] == '%' && isdigit(Msg[i + 1])) {
unsigned StrNo = Msg[i + 1] - '0';
Msg = std::string(Msg.begin(), Msg.begin() + i) +
(StrNo < NumStrs ? Strs[StrNo] : "<<<INTERNAL ERROR>>>") +
std::string(Msg.begin() + i + 2, Msg.end());
}
}
return Msg;
}
bool TextDiagnostics::IgnoreDiagnostic(Diagnostic::Level Level,
SourceLocation Pos) {
if (Pos.isValid()) {
// If this is a warning or note, and if it a system header, suppress the
// diagnostic.
if (Level == Diagnostic::Warning ||
Level == Diagnostic::Note) {
if (const FileEntry *F = SourceMgr.getFileEntryForLoc(Pos)) {
DirectoryLookup::DirType DirInfo = TheHeaderSearch->getFileDirFlavor(F);
if (DirInfo == DirectoryLookup::SystemHeaderDir ||
DirInfo == DirectoryLookup::ExternCSystemHeaderDir)
return true;
}
}
}
return false;
}