diff options
Diffstat (limited to 'source/Plugins/Language/CPlusPlus/CxxStringTypes.cpp')
| -rw-r--r-- | source/Plugins/Language/CPlusPlus/CxxStringTypes.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/source/Plugins/Language/CPlusPlus/CxxStringTypes.cpp b/source/Plugins/Language/CPlusPlus/CxxStringTypes.cpp new file mode 100644 index 000000000000..7e8d9582a2b5 --- /dev/null +++ b/source/Plugins/Language/CPlusPlus/CxxStringTypes.cpp @@ -0,0 +1,204 @@ +//===-- CXXStringTypes.cpp --------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "CxxStringTypes.h" + +#include "llvm/Support/ConvertUTF.h" + +#include "lldb/Core/DataBufferHeap.h" +#include "lldb/Core/Error.h" +#include "lldb/Core/Stream.h" +#include "lldb/Core/ValueObject.h" +#include "lldb/Core/ValueObjectConstResult.h" +#include "lldb/DataFormatters/StringPrinter.h" +#include "lldb/DataFormatters/TypeSummary.h" +#include "lldb/Host/Endian.h" +#include "lldb/Symbol/ClangASTContext.h" +#include "lldb/Target/SectionLoadList.h" +#include "lldb/Target/Target.h" +#include "lldb/Target/Thread.h" +#include "lldb/Utility/ProcessStructReader.h" +#include "lldb/DataFormatters/FormattersHelpers.h" + +#include <algorithm> + +#if __ANDROID_NDK__ +#include <sys/types.h> +#endif + +#include "lldb/Host/Time.h" + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::formatters; + +bool +lldb_private::formatters::Char16StringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&) +{ + ProcessSP process_sp = valobj.GetProcessSP(); + if (!process_sp) + return false; + + lldb::addr_t valobj_addr = GetArrayAddressOrPointerValue(valobj); + if (valobj_addr == 0 || valobj_addr == LLDB_INVALID_ADDRESS) + return false; + + StringPrinter::ReadStringAndDumpToStreamOptions options(valobj); + options.SetLocation(valobj_addr); + options.SetProcessSP(process_sp); + options.SetStream(&stream); + options.SetPrefixToken("u"); + + if (!StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF16>(options)) + { + stream.Printf("Summary Unavailable"); + return true; + } + + return true; +} + +bool +lldb_private::formatters::Char32StringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&) +{ + ProcessSP process_sp = valobj.GetProcessSP(); + if (!process_sp) + return false; + + lldb::addr_t valobj_addr = GetArrayAddressOrPointerValue(valobj); + if (valobj_addr == 0 || valobj_addr == LLDB_INVALID_ADDRESS) + return false; + + StringPrinter::ReadStringAndDumpToStreamOptions options(valobj); + options.SetLocation(valobj_addr); + options.SetProcessSP(process_sp); + options.SetStream(&stream); + options.SetPrefixToken("U"); + + if (!StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF32>(options)) + { + stream.Printf("Summary Unavailable"); + return true; + } + + return true; +} + +bool +lldb_private::formatters::WCharStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&) +{ + ProcessSP process_sp = valobj.GetProcessSP(); + if (!process_sp) + return false; + + lldb::addr_t valobj_addr = GetArrayAddressOrPointerValue(valobj); + if (valobj_addr == 0 || valobj_addr == LLDB_INVALID_ADDRESS) + return false; + + // Get a wchar_t basic type from the current type system + CompilerType wchar_compiler_type = valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeWChar); + + if (!wchar_compiler_type) + return false; + + const uint32_t wchar_size = wchar_compiler_type.GetBitSize(nullptr); // Safe to pass NULL for exe_scope here + + StringPrinter::ReadStringAndDumpToStreamOptions options(valobj); + options.SetLocation(valobj_addr); + options.SetProcessSP(process_sp); + options.SetStream(&stream); + options.SetPrefixToken("L"); + + switch (wchar_size) + { + case 8: + return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF8>(options); + case 16: + return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF16>(options); + case 32: + return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF32>(options); + default: + stream.Printf("size for wchar_t is not valid"); + return true; + } + return true; +} + +bool +lldb_private::formatters::Char16SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&) +{ + DataExtractor data; + Error error; + valobj.GetData(data, error); + + if (error.Fail()) + return false; + + std::string value; + valobj.GetValueAsCString(lldb::eFormatUnicode16, value); + if (!value.empty()) + stream.Printf("%s ", value.c_str()); + + StringPrinter::ReadBufferAndDumpToStreamOptions options(valobj); + options.SetData(data); + options.SetStream(&stream); + options.SetPrefixToken("u"); + options.SetQuote('\''); + options.SetSourceSize(1); + options.SetBinaryZeroIsTerminator(false); + + return StringPrinter::ReadBufferAndDumpToStream<StringPrinter::StringElementType::UTF16>(options); +} + +bool +lldb_private::formatters::Char32SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&) +{ + DataExtractor data; + Error error; + valobj.GetData(data, error); + + if (error.Fail()) + return false; + + std::string value; + valobj.GetValueAsCString(lldb::eFormatUnicode32, value); + if (!value.empty()) + stream.Printf("%s ", value.c_str()); + + StringPrinter::ReadBufferAndDumpToStreamOptions options(valobj); + options.SetData(data); + options.SetStream(&stream); + options.SetPrefixToken("U"); + options.SetQuote('\''); + options.SetSourceSize(1); + options.SetBinaryZeroIsTerminator(false); + + return StringPrinter::ReadBufferAndDumpToStream<StringPrinter::StringElementType::UTF32>(options); +} + +bool +lldb_private::formatters::WCharSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&) +{ + DataExtractor data; + Error error; + valobj.GetData(data, error); + + if (error.Fail()) + return false; + + StringPrinter::ReadBufferAndDumpToStreamOptions options(valobj); + options.SetData(data); + options.SetStream(&stream); + options.SetPrefixToken("L"); + options.SetQuote('\''); + options.SetSourceSize(1); + options.SetBinaryZeroIsTerminator(false); + + return StringPrinter::ReadBufferAndDumpToStream<StringPrinter::StringElementType::UTF16>(options); +} |