From 7bba2333fbfa24e69da87987d84eb4b97e25f037 Mon Sep 17 00:00:00 2001 From: Mikhail Glushenkov Date: Thu, 25 Jun 2009 18:21:34 +0000 Subject: [PATCH] Better error message. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74193 91177308-0d34-0410-b5e6-96231b3b80d8 --- utils/TableGen/LLVMCConfigurationEmitter.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp index e9acd9668cc..9fcfd057650 100644 --- a/utils/TableGen/LLVMCConfigurationEmitter.cpp +++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp @@ -1132,12 +1132,14 @@ void TokenizeCmdline(const std::string& CmdLine, StrVector& Out) { enum TokenizerState { Normal, SpecialCommand, InsideSpecialCommand, InsideQuotationMarks } cur_st = Normal; + + if (CmdLine.empty()) + return; Out.push_back(""); std::string::size_type B = CmdLine.find_first_not_of(Delimiters), E = CmdLine.size(); - if (B == std::string::npos) - throw "Empty command-line string!"; + for (; B != E; ++B) { char cur_ch = CmdLine[B]; @@ -1278,7 +1280,7 @@ void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName, TokenizeCmdline(InitPtrToString(CmdLine), StrVec); if (StrVec.empty()) - throw "Tool " + ToolName + " has empty command line!"; + throw "Tool '" + ToolName + "' has empty command line!"; StrVector::const_iterator I = StrVec.begin(), E = StrVec.end();