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Work around MSVC 32 crashing reading of exported symbols in Mach-O 

See https://bugs.llvm.org/show_bug.cgi?id=44433.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>
pull/1282/head
Dimitar Dobrev 6 years ago committed by João Matos
parent
fa5dbb9010
commit
709fcb6f7e
2 changed files with 99 additions and 88 deletions
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  1. 21
      src/CppParser/Parser.cpp
  2. 166
      src/Generator.Tests/ReadNativeSymbolsTest.cs

21
src/CppParser/Parser.cpp
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@ -4385,14 +4385,21 @@ ParserResultKind Parser::ParseSharedLib(llvm::StringRef File, @@ -4385,14 +4385,21 @@ ParserResultKind Parser::ParseSharedLib(llvm::StringRef File,
NativeLib->Dependencies.push_back(lib);
}
}
auto Error = llvm::Error::success();
for (const auto& Entry : MachOObjectFile->exports(Error))
// HACK: the correct way is with exported(Err) but it crashes with msvc 32
// see https://bugs.llvm.org/show_bug.cgi?id=44433
for (const auto& Symbol : MachOObjectFile->symbols())
{
NativeLib->Symbols.push_back(Entry.name());
}
if (Error)
{
return ParserResultKind::Error;
if (Symbol.getName())
{
if ((Symbol.getFlags() & llvm::object::BasicSymbolRef::Flags::SF_Exported) &&
!(Symbol.getFlags() & llvm::object::BasicSymbolRef::Flags::SF_Undefined))
NativeLib->Symbols.push_back(Symbol.getName().get());
}
else
{
Symbol.getName().takeError();
return ParserResultKind::Error;
}
}
return ParserResultKind::Success;
}

166
src/Generator.Tests/ReadNativeSymbolsTest.cs
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@ -217,87 +217,91 @@ namespace CppSharp.Generator.Tests @@ -217,87 +217,91 @@ namespace CppSharp.Generator.Tests
public void TestReadSymbolsOSX()
{
var symbols = GetSymbols("libexpat-osx");
Assert.AreEqual("_XML_ParserCreate_MM", symbols[0]);
Assert.AreEqual("_XML_ParserCreateNS", symbols[1]);
Assert.AreEqual("_XML_ParserCreate", symbols[2]);
Assert.AreEqual("_XML_ParserReset", symbols[3]);
Assert.AreEqual("_XML_ParserFree", symbols[4]);
Assert.AreEqual("_XML_ParseBuffer", symbols[5]);
Assert.AreEqual("_XML_Parse", symbols[6]);
Assert.AreEqual("_XML_SetEncoding", symbols[7]);
Assert.AreEqual("_XML_SetEndElementHandler", symbols[8]);
Assert.AreEqual("_XML_SetEndCdataSectionHandler", symbols[9]);
Assert.AreEqual("_XML_SetEndDoctypeDeclHandler", symbols[10]);
Assert.AreEqual("_XML_SetEndNamespaceDeclHandler", symbols[11]);
Assert.AreEqual("_XML_SetEntityDeclHandler", symbols[12]);
Assert.AreEqual("_XML_SetElementHandler", symbols[13]);
Assert.AreEqual("_XML_SetElementDeclHandler", symbols[14]);
Assert.AreEqual("_XML_SetExternalEntityRefHandlerArg", symbols[15]);
Assert.AreEqual("_XML_SetExternalEntityRefHandler", symbols[16]);
Assert.AreEqual("_XML_SetReturnNSTriplet", symbols[17]);
Assert.AreEqual("_XML_SetUserData", symbols[18]);
Assert.AreEqual("_XML_SetUnparsedEntityDeclHandler", symbols[19]);
Assert.AreEqual("_XML_SetUnknownEncodingHandler", symbols[20]);
Assert.AreEqual("_XML_SetBase", symbols[21]);
Assert.AreEqual("_XML_SetStartElementHandler", symbols[22]);
Assert.AreEqual("_XML_SetStartCdataSectionHandler", symbols[23]);
Assert.AreEqual("_XML_SetStartDoctypeDeclHandler", symbols[24]);
Assert.AreEqual("_XML_SetStartNamespaceDeclHandler", symbols[25]);
Assert.AreEqual("_XML_SetSkippedEntityHandler", symbols[26]);
Assert.AreEqual("_XML_SetCharacterDataHandler", symbols[27]);
Assert.AreEqual("_XML_SetCommentHandler", symbols[28]);
Assert.AreEqual("_XML_SetCdataSectionHandler", symbols[29]);
Assert.AreEqual("_XML_SetProcessingInstructionHandler", symbols[30]);
Assert.AreEqual("_XML_SetParamEntityParsing", symbols[31]);
Assert.AreEqual("_XML_SetDefaultHandlerExpand", symbols[32]);
Assert.AreEqual("_XML_SetDefaultHandler", symbols[33]);
Assert.AreEqual("_XML_SetDoctypeDeclHandler", symbols[34]);
Assert.AreEqual("_XML_SetNotationDeclHandler", symbols[35]);
Assert.AreEqual("_XML_SetNotStandaloneHandler", symbols[36]);
Assert.AreEqual("_XML_SetNamespaceDeclHandler", symbols[37]);
Assert.AreEqual("_XML_SetAttlistDeclHandler", symbols[38]);
Assert.AreEqual("_XML_SetXmlDeclHandler", symbols[39]);
Assert.AreEqual("_XML_SetHashSalt", symbols[40]);
Assert.AreEqual("_XML_StopParser", symbols[41]);
Assert.AreEqual("_XML_ExternalEntityParserCreate", symbols[42]);
Assert.AreEqual("_XML_ExpatVersionInfo", symbols[43]);
Assert.AreEqual("_XML_ExpatVersion", symbols[44]);
Assert.AreEqual("_XML_ErrorString", symbols[45]);
Assert.AreEqual("_XML_UseParserAsHandlerArg", symbols[46]);
Assert.AreEqual("_XML_UseForeignDTD", symbols[47]);
Assert.AreEqual("_XML_GetBase", symbols[48]);
Assert.AreEqual("_XML_GetBuffer", symbols[49]);
Assert.AreEqual("_XML_GetSpecifiedAttributeCount", symbols[50]);
Assert.AreEqual("_XML_GetIdAttributeIndex", symbols[51]);
Assert.AreEqual("_XML_GetInputContext", symbols[52]);
Assert.AreEqual("_XML_GetParsingStatus", symbols[53]);
Assert.AreEqual("_XML_GetErrorCode", symbols[54]);
Assert.AreEqual("_XML_GetCurrentByteIndex", symbols[55]);
Assert.AreEqual("_XML_GetCurrentByteCount", symbols[56]);
Assert.AreEqual("_XML_GetCurrentLineNumber", symbols[57]);
Assert.AreEqual("_XML_GetCurrentColumnNumber", symbols[58]);
Assert.AreEqual("_XML_GetFeatureList", symbols[59]);
Assert.AreEqual("_XML_ResumeParser", symbols[60]);
Assert.AreEqual("_XML_FreeContentModel", symbols[61]);
Assert.AreEqual("_XML_MemMalloc", symbols[62]);
Assert.AreEqual("_XML_MemRealloc", symbols[63]);
Assert.AreEqual("_XML_MemFree", symbols[64]);
Assert.AreEqual("_XML_DefaultCurrent", symbols[65]);
Assert.AreEqual("_XmlUtf8Encode", symbols[66]);
Assert.AreEqual("_XmlUtf16Encode", symbols[67]);
Assert.AreEqual("_XmlSizeOfUnknownEncoding", symbols[68]);
Assert.AreEqual("_XmlInitUnknownEncodingNS", symbols[69]);
Assert.AreEqual("_XmlInitUnknownEncoding", symbols[70]);
Assert.AreEqual("_XmlInitEncodingNS", symbols[71]);
Assert.AreEqual("_XmlInitEncoding", symbols[72]);
Assert.AreEqual("_XmlGetUtf8InternalEncodingNS", symbols[73]);
Assert.AreEqual("_XmlGetUtf8InternalEncoding", symbols[74]);
Assert.AreEqual("_XmlGetUtf16InternalEncodingNS", symbols[75]);
Assert.AreEqual("_XmlGetUtf16InternalEncoding", symbols[76]);
Assert.AreEqual("_XmlParseXmlDeclNS", symbols[77]);
Assert.AreEqual("_XmlParseXmlDecl", symbols[78]);
Assert.AreEqual("_XmlPrologStateInitExternalEntity", symbols[79]);
Assert.AreEqual("_XmlPrologStateInit", symbols[80]);
Assert.That(symbols, Is.EquivalentTo(
new[]
{
"_XML_DefaultCurrent",
"_XML_ErrorString",
"_XML_ExpatVersion",
"_XML_ExpatVersionInfo",
"_XML_ExternalEntityParserCreate",
"_XML_FreeContentModel",
"_XML_GetBase",
"_XML_GetBuffer",
"_XML_GetCurrentByteCount",
"_XML_GetCurrentByteIndex",
"_XML_GetCurrentColumnNumber",
"_XML_GetCurrentLineNumber",
"_XML_GetErrorCode",
"_XML_GetFeatureList",
"_XML_GetIdAttributeIndex",
"_XML_GetInputContext",
"_XML_GetParsingStatus",
"_XML_GetSpecifiedAttributeCount",
"_XML_MemFree",
"_XML_MemMalloc",
"_XML_MemRealloc",
"_XML_Parse",
"_XML_ParseBuffer",
"_XML_ParserCreate",
"_XML_ParserCreateNS",
"_XML_ParserCreate_MM",
"_XML_ParserFree",
"_XML_ParserReset",
"_XML_ResumeParser",
"_XML_SetAttlistDeclHandler",
"_XML_SetBase",
"_XML_SetCdataSectionHandler",
"_XML_SetCharacterDataHandler",
"_XML_SetCommentHandler",
"_XML_SetDefaultHandler",
"_XML_SetDefaultHandlerExpand",
"_XML_SetDoctypeDeclHandler",
"_XML_SetElementDeclHandler",
"_XML_SetElementHandler",
"_XML_SetEncoding",
"_XML_SetEndCdataSectionHandler",
"_XML_SetEndDoctypeDeclHandler",
"_XML_SetEndElementHandler",
"_XML_SetEndNamespaceDeclHandler",
"_XML_SetEntityDeclHandler",
"_XML_SetExternalEntityRefHandler",
"_XML_SetExternalEntityRefHandlerArg",
"_XML_SetHashSalt",
"_XML_SetNamespaceDeclHandler",
"_XML_SetNotStandaloneHandler",
"_XML_SetNotationDeclHandler",
"_XML_SetParamEntityParsing",
"_XML_SetProcessingInstructionHandler",
"_XML_SetReturnNSTriplet",
"_XML_SetSkippedEntityHandler",
"_XML_SetStartCdataSectionHandler",
"_XML_SetStartDoctypeDeclHandler",
"_XML_SetStartElementHandler",
"_XML_SetStartNamespaceDeclHandler",
"_XML_SetUnknownEncodingHandler",
"_XML_SetUnparsedEntityDeclHandler",
"_XML_SetUserData",
"_XML_SetXmlDeclHandler",
"_XML_StopParser",
"_XML_UseForeignDTD",
"_XML_UseParserAsHandlerArg",
"_XmlGetUtf16InternalEncoding",
"_XmlGetUtf16InternalEncodingNS",
"_XmlGetUtf8InternalEncoding",
"_XmlGetUtf8InternalEncodingNS",
"_XmlInitEncoding",
"_XmlInitEncodingNS",
"_XmlInitUnknownEncoding",
"_XmlInitUnknownEncodingNS",
"_XmlParseXmlDecl",
"_XmlParseXmlDeclNS",
"_XmlPrologStateInit",
"_XmlPrologStateInitExternalEntity",
"_XmlSizeOfUnknownEncoding",
"_XmlUtf16Encode",
"_XmlUtf8Encode"
}));
}
private static IList<string> GetSymbols(string library)

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