[llvm] r307204 - [llvm-pdbutil] Add the ability to truncate stream purpose names.

Mikael Holmén via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 6 05:57:04 PDT 2017


Hi again,

I get a warning about this too:

FAILED: /usr/bin/clang++  -march=corei7  -DGTEST_HAS_RTTI=0 
-DLLVM_BUILD_GLOBAL_ISEL -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS 
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools/llvm-pdbutil 
-I../tools/llvm-pdbutil -Iinclude -I../include 
-I/proj/flexasic/app/valgrind/3.11.0/include  -fPIC 
-fvisibility-inlines-hidden -Werror -Werror=date-time -std=c++11 -Wall 
-W -Wno-unused-parameter -Wwrite-strings -Wcast-qual 
-Wmissing-field-initializers -pedantic -Wno-long-long 
-Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor 
-Wstring-conversion -fcolor-diagnostics -ffunction-sections 
-fdata-sections -O3    -UNDEBUG  -fno-exceptions -fno-rtti -MMD -MT 
tools/llvm-pdbutil/CMakeFiles/llvm-pdbutil.dir/FormatUtil.cpp.o -MF 
tools/llvm-pdbutil/CMakeFiles/llvm-pdbutil.dir/FormatUtil.cpp.o.d -o 
tools/llvm-pdbutil/CMakeFiles/llvm-pdbutil.dir/FormatUtil.cpp.o -c 
../tools/llvm-pdbutil/FormatUtil.cpp
../tools/llvm-pdbutil/FormatUtil.cpp:24:23: error: no matching function 
for call to 'min'
   uint32_t FinalLen = std::min(S.size(), MaxLen - 3);
                       ^~~~~~~~
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/algorithmfwd.h:367:5: 
note: candidate template ignored: deduced conflicting types for 
parameter '_Tp' ('unsigned long' vs. 'unsigned int')
     min(const _Tp&, const _Tp&);
     ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_algo.h:4226:5: 
note: candidate template ignored: could not match 
'initializer_list<type-parameter-0-0>' against 'unsigned long'
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/algorithmfwd.h:371:5: 
note: candidate function template not viable: requires 3 arguments, but 
2 were provided
     min(const _Tp&, const _Tp&, _Compare);
     ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_algo.h:4221:5: 
note: candidate function template not viable: requires single argument 
'__l', but 2 arguments were provided
     min(initializer_list<_Tp> __l)
     ^
1 error generated.

Regards,
Mikael

On 07/06/2017 08:30 AM, Mikael Holmén via llvm-commits wrote:
> Hi Zachary,
> 
> I get a warning about unused function when compiling this patch:
> 
> In file included from ../tools/llvm-pdbutil/BytesOutputStyle.cpp:12:
> ../tools/llvm-pdbutil/FormatUtil.h:26:20: error: unused function 
> 'truncateStringFront' [-Werror,-Wunused-function]
> static std::string truncateStringFront(StringRef S, uint32_t MaxLen);
>                     ^
> 1 error generated.
> 
> Regards,
> Mikael
> 
> On 07/05/2017 11:54 PM, Zachary Turner via llvm-commits wrote:
>> Author: zturner
>> Date: Wed Jul  5 14:54:58 2017
>> New Revision: 307204
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=307204&view=rev
>> Log:
>> [llvm-pdbutil] Add the ability to truncate stream purpose names.
>>
>> This will be useful for aligning fields to a fixed with in
>> subsequent patches.
>>
>> Modified:
>>      llvm/trunk/tools/llvm-pdbutil/FormatUtil.cpp
>>      llvm/trunk/tools/llvm-pdbutil/FormatUtil.h
>>      llvm/trunk/tools/llvm-pdbutil/StreamUtil.cpp
>>      llvm/trunk/tools/llvm-pdbutil/StreamUtil.h
>>
>> Modified: llvm/trunk/tools/llvm-pdbutil/FormatUtil.cpp
>> URL: 
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-pdbutil/FormatUtil.cpp?rev=307204&r1=307203&r2=307204&view=diff 
>>
>> ============================================================================== 
>>
>> --- llvm/trunk/tools/llvm-pdbutil/FormatUtil.cpp (original)
>> +++ llvm/trunk/tools/llvm-pdbutil/FormatUtil.cpp Wed Jul  5 14:54:58 2017
>> @@ -16,6 +16,47 @@
>>   using namespace llvm;
>>   using namespace llvm::pdb;
>> +std::string llvm::pdb::truncateStringBack(StringRef S, uint32_t 
>> MaxLen) {
>> +  if (MaxLen == 0 || S.size() <= MaxLen || S.size() <= 3)
>> +    return S;
>> +
>> +  assert(MaxLen >= 3);
>> +  uint32_t FinalLen = std::min(S.size(), MaxLen - 3);
>> +  S = S.take_front(FinalLen);
>> +  return std::string(S) + std::string("...");
>> +}
>> +
>> +std::string llvm::pdb::truncateStringFront(StringRef S, uint32_t 
>> MaxLen) {
>> +  if (MaxLen == 0 || S.size() <= MaxLen || S.size() <= 3)
>> +    return S;
>> +
>> +  assert(MaxLen >= 3);
>> +  S = S.take_back(MaxLen - 3);
>> +  return std::string("...") + std::string(S);
>> +}
>> +
>> +std::string llvm::pdb::truncateQuotedNameFront(StringRef Label, 
>> StringRef Name,
>> +                                               uint32_t MaxLen) {
>> +  uint32_t RequiredExtraChars = Label.size() + 1 + 2;
>> +  if (MaxLen == 0 || RequiredExtraChars + Name.size() <= MaxLen)
>> +    return formatv("{0} \"{1}\"", Label, Name).str();
>> +
>> +  assert(MaxLen >= RequiredExtraChars);
>> +  std::string TN = truncateStringFront(Name, MaxLen - 
>> RequiredExtraChars);
>> +  return formatv("{0} \"{1}\"", Label, TN).str();
>> +}
>> +
>> +std::string llvm::pdb::truncateQuotedNameBack(StringRef Label, 
>> StringRef Name,
>> +                                              uint32_t MaxLen) {
>> +  uint32_t RequiredExtraChars = Label.size() + 1 + 2;
>> +  if (MaxLen == 0 || RequiredExtraChars + Name.size() <= MaxLen)
>> +    return formatv("{0} \"{1}\"", Label, Name).str();
>> +
>> +  assert(MaxLen >= RequiredExtraChars);
>> +  std::string TN = truncateStringBack(Name, MaxLen - 
>> RequiredExtraChars);
>> +  return formatv("{0} \"{1}\"", Label, TN).str();
>> +}
>> +
>>   std::string llvm::pdb::typesetItemList(ArrayRef<std::string> Opts,
>>                                          uint32_t IndentLevel, 
>> uint32_t GroupSize,
>>                                          StringRef Sep) {
>>
>> Modified: llvm/trunk/tools/llvm-pdbutil/FormatUtil.h
>> URL: 
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-pdbutil/FormatUtil.h?rev=307204&r1=307203&r2=307204&view=diff 
>>
>> ============================================================================== 
>>
>> --- llvm/trunk/tools/llvm-pdbutil/FormatUtil.h (original)
>> +++ llvm/trunk/tools/llvm-pdbutil/FormatUtil.h Wed Jul  5 14:54:58 2017
>> @@ -22,6 +22,13 @@
>>   namespace llvm {
>>   namespace pdb {
>> +std::string truncateStringBack(StringRef S, uint32_t MaxLen);
>> +static std::string truncateStringFront(StringRef S, uint32_t MaxLen);
>> +std::string truncateQuotedNameFront(StringRef Label, StringRef Name,
>> +                                    uint32_t MaxLen);
>> +std::string truncateQuotedNameBack(StringRef Label, StringRef Name,
>> +                                   uint32_t MaxLen);
>> +
>>   #define PUSH_MASKED_FLAG(Enum, Mask, TheOpt, Value, 
>> Text)                      \
>>     if (Enum::TheOpt == (Value & 
>> Mask))                                          \
>>       Opts.push_back(Text);
>>
>> Modified: llvm/trunk/tools/llvm-pdbutil/StreamUtil.cpp
>> URL: 
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-pdbutil/StreamUtil.cpp?rev=307204&r1=307203&r2=307204&view=diff 
>>
>> ============================================================================== 
>>
>> --- llvm/trunk/tools/llvm-pdbutil/StreamUtil.cpp (original)
>> +++ llvm/trunk/tools/llvm-pdbutil/StreamUtil.cpp Wed Jul  5 14:54:58 2017
>> @@ -8,6 +8,7 @@
>>   
>> //===----------------------------------------------------------------------===// 
>>
>>   #include "StreamUtil.h"
>> +#include "FormatUtil.h"
>>   #include "llvm/ADT/DenseMap.h"
>>   #include "llvm/ADT/DenseMapInfo.h"
>> @@ -18,10 +19,12 @@
>>   #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
>>   #include "llvm/DebugInfo/PDB/Native/TpiStream.h"
>> -namespace llvm {
>> -namespace pdb {
>> -void discoverStreamPurposes(PDBFile &File,
>> -                            SmallVectorImpl<std::string> &Purposes) {
>> +using namespace llvm;
>> +using namespace llvm::pdb;
>> +
>> +void llvm::pdb::discoverStreamPurposes(PDBFile &File,
>> +                                       SmallVectorImpl<std::string> 
>> &Purposes,
>> +                                       uint32_t MaxLen) {
>>     // It's OK if we fail to load some of these streams, we still 
>> attempt to print
>>     // what we can.
>> @@ -54,70 +57,67 @@ void discoverStreamPurposes(PDBFile &Fil
>>     for (uint16_t StreamIdx = 0; StreamIdx < StreamCount; ++StreamIdx) {
>>       std::string Value;
>>       if (StreamIdx == OldMSFDirectory)
>> -      Value = "Old MSF Directory";
>> +      Value = truncateStringBack("Old MSF Directory", MaxLen);
>>       else if (StreamIdx == StreamPDB)
>> -      Value = "PDB Stream";
>> +      Value = truncateStringBack("PDB Stream", MaxLen);
>>       else if (StreamIdx == StreamDBI)
>> -      Value = "DBI Stream";
>> +      Value = truncateStringBack("DBI Stream", MaxLen);
>>       else if (StreamIdx == StreamTPI)
>> -      Value = "TPI Stream";
>> +      Value = truncateStringBack("TPI Stream", MaxLen);
>>       else if (StreamIdx == StreamIPI)
>> -      Value = "IPI Stream";
>> +      Value = truncateStringBack("IPI Stream", MaxLen);
>>       else if (Dbi && StreamIdx == Dbi->getGlobalSymbolStreamIndex())
>> -      Value = "Global Symbol Hash";
>> +      Value = truncateStringBack("Global Symbol Hash", MaxLen);
>>       else if (Dbi && StreamIdx == Dbi->getPublicSymbolStreamIndex())
>> -      Value = "Public Symbol Hash";
>> +      Value = truncateStringBack("Public Symbol Hash", MaxLen);
>>       else if (Dbi && StreamIdx == Dbi->getSymRecordStreamIndex())
>> -      Value = "Public Symbol Records";
>> +      Value = truncateStringBack("Public Symbol Records", MaxLen);
>>       else if (Tpi && StreamIdx == Tpi->getTypeHashStreamIndex())
>> -      Value = "TPI Hash";
>> +      Value = truncateStringBack("TPI Hash", MaxLen);
>>       else if (Tpi && StreamIdx == Tpi->getTypeHashStreamAuxIndex())
>> -      Value = "TPI Aux Hash";
>> +      Value = truncateStringBack("TPI Aux Hash", MaxLen);
>>       else if (Ipi && StreamIdx == Ipi->getTypeHashStreamIndex())
>> -      Value = "IPI Hash";
>> +      Value = truncateStringBack("IPI Hash", MaxLen);
>>       else if (Ipi && StreamIdx == Ipi->getTypeHashStreamAuxIndex())
>> -      Value = "IPI Aux Hash";
>> +      Value = truncateStringBack("IPI Aux Hash", MaxLen);
>>       else if (Dbi &&
>>                StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::Exception))
>> -      Value = "Exception Data";
>> +      Value = truncateStringBack("Exception Data", MaxLen);
>>       else if (Dbi && StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::Fixup))
>> -      Value = "Fixup Data";
>> +      Value = truncateStringBack("Fixup Data", MaxLen);
>>       else if (Dbi && StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::FPO))
>> -      Value = "FPO Data";
>> +      Value = truncateStringBack("FPO Data", MaxLen);
>>       else if (Dbi &&
>>                StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::NewFPO))
>> -      Value = "New FPO Data";
>> +      Value = truncateStringBack("New FPO Data", MaxLen);
>>       else if (Dbi &&
>>                StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::OmapFromSrc))
>> -      Value = "Omap From Source Data";
>> +      Value = truncateStringBack("Omap From Source Data", MaxLen);
>>       else if (Dbi &&
>>                StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::OmapToSrc))
>> -      Value = "Omap To Source Data";
>> +      Value = truncateStringBack("Omap To Source Data", MaxLen);
>>       else if (Dbi && StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::Pdata))
>> -      Value = "Pdata";
>> +      Value = truncateStringBack("Pdata", MaxLen);
>>       else if (Dbi &&
>>                StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::SectionHdr))
>> -      Value = "Section Header Data";
>> +      Value = truncateStringBack("Section Header Data", MaxLen);
>>       else if (Dbi &&
>>                StreamIdx ==
>>                    
>> Dbi->getDebugStreamIndex(DbgHeaderType::SectionHdrOrig))
>> -      Value = "Section Header Original Data";
>> +      Value = truncateStringBack("Section Header Original Data", 
>> MaxLen);
>>       else if (Dbi &&
>>                StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::TokenRidMap))
>> -      Value = "Token Rid Data";
>> +      Value = truncateStringBack("Token Rid Data", MaxLen);
>>       else if (Dbi && StreamIdx == 
>> Dbi->getDebugStreamIndex(DbgHeaderType::Xdata))
>> -      Value = "Xdata";
>> +      Value = truncateStringBack("Xdata", MaxLen);
>>       else {
>>         auto ModIter = ModStreams.find(StreamIdx);
>>         auto NSIter = NamedStreams.find(StreamIdx);
>>         if (ModIter != ModStreams.end()) {
>> -        Value = "Module \"";
>> -        Value += ModIter->second.getModuleName();
>> -        Value += "\"";
>> +        Value = truncateQuotedNameFront(
>> +            "Module", ModIter->second.getModuleName(), MaxLen);
>>         } else if (NSIter != NamedStreams.end()) {
>> -        Value = "Named Stream \"";
>> -        Value += NSIter->second;
>> -        Value += "\"";
>> +        Value = truncateQuotedNameBack("Named Stream", 
>> NSIter->second, MaxLen);
>>         } else {
>>           Value = "???";
>>         }
>> @@ -135,5 +135,3 @@ void discoverStreamPurposes(PDBFile &Fil
>>     if (!Info)
>>       consumeError(Info.takeError());
>>   }
>> -}
>> -}
>>
>> Modified: llvm/trunk/tools/llvm-pdbutil/StreamUtil.h
>> URL: 
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-pdbutil/StreamUtil.h?rev=307204&r1=307203&r2=307204&view=diff 
>>
>> ============================================================================== 
>>
>> --- llvm/trunk/tools/llvm-pdbutil/StreamUtil.h (original)
>> +++ llvm/trunk/tools/llvm-pdbutil/StreamUtil.h Wed Jul  5 14:54:58 2017
>> @@ -18,7 +18,8 @@ namespace llvm {
>>   namespace pdb {
>>   class PDBFile;
>>   void discoverStreamPurposes(PDBFile &File,
>> -                            SmallVectorImpl<std::string> &Purposes);
>> +                            SmallVectorImpl<std::string> &Purposes,
>> +                            uint32_t MaxLen = 0);
>>   }
>>   }
>>
>>
>> _______________________________________________
>> llvm-commits mailing list
>> llvm-commits at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
>>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits



More information about the llvm-commits mailing list