return true;
}
- Dependencies.push_back(IncludedFile);
+ DependenciesMapTy::const_iterator Found = Dependencies.find(IncludedFile);
+ if (Found != Dependencies.end()) {
+ PrintError(getLoc(),
+ "File '" + IncludedFile + "' has already been included.");
+ SrcMgr.PrintMessage(Found->second, SourceMgr::DK_Note,
+ "previously included here");
+ return true;
+ }
+ Dependencies.insert(std::make_pair(IncludedFile, getLoc()));
// Save the line number and lex buffer of the includer.
CurBuf = SrcMgr.getMemoryBuffer(CurBuffer);
CurPtr = CurBuf->getBufferStart();
.Case("head", tgtok::XHead)
.Case("tail", tgtok::XTail)
.Case("con", tgtok::XConcat)
+ .Case("add", tgtok::XADD)
.Case("shl", tgtok::XSHL)
.Case("sra", tgtok::XSRA)
.Case("srl", tgtok::XSRL)