diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/Plugins/ObjectFile/wasm/ObjectFileWasm.cpp')
-rw-r--r-- | contrib/llvm-project/lldb/source/Plugins/ObjectFile/wasm/ObjectFileWasm.cpp | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/ObjectFile/wasm/ObjectFileWasm.cpp b/contrib/llvm-project/lldb/source/Plugins/ObjectFile/wasm/ObjectFileWasm.cpp index 905e9637493b..06eb6ff9cafb 100644 --- a/contrib/llvm-project/lldb/source/Plugins/ObjectFile/wasm/ObjectFileWasm.cpp +++ b/contrib/llvm-project/lldb/source/Plugins/ObjectFile/wasm/ObjectFileWasm.cpp @@ -24,6 +24,7 @@ #include "llvm/BinaryFormat/Wasm.h" #include "llvm/Support/Endian.h" #include "llvm/Support/Format.h" +#include <optional> using namespace lldb; using namespace lldb_private; @@ -49,7 +50,7 @@ static bool ValidateModuleHeader(const DataBufferSP &data_sp) { return version == llvm::wasm::WasmVersion; } -static llvm::Optional<ConstString> +static std::optional<ConstString> GetWasmString(llvm::DataExtractor &data, llvm::DataExtractor::Cursor &c) { // A Wasm string is encoded as a vector of UTF-8 codes. // Vectors are encoded with their u32 length followed by the element @@ -57,21 +58,21 @@ GetWasmString(llvm::DataExtractor &data, llvm::DataExtractor::Cursor &c) { uint64_t len = data.getULEB128(c); if (!c) { consumeError(c.takeError()); - return llvm::None; + return std::nullopt; } if (len >= (uint64_t(1) << 32)) { - return llvm::None; + return std::nullopt; } llvm::SmallVector<uint8_t, 32> str_storage; data.getU8(c, str_storage, len); if (!c) { consumeError(c.takeError()); - return llvm::None; + return std::nullopt; } - llvm::StringRef str = toStringRef(makeArrayRef(str_storage)); + llvm::StringRef str = toStringRef(llvm::ArrayRef(str_storage)); return ConstString(str); } @@ -181,7 +182,7 @@ bool ObjectFileWasm::DecodeNextSection(lldb::offset_t *offset_ptr) { // identifying the custom section, followed by an uninterpreted sequence // of bytes. lldb::offset_t prev_offset = c.tell(); - llvm::Optional<ConstString> sect_name = GetWasmString(data, c); + std::optional<ConstString> sect_name = GetWasmString(data, c); if (!sect_name) return false; @@ -412,7 +413,7 @@ DataExtractor ObjectFileWasm::ReadImageData(offset_t offset, uint32_t size) { return data; } -llvm::Optional<FileSpec> ObjectFileWasm::GetExternalDebugInfoFileSpec() { +std::optional<FileSpec> ObjectFileWasm::GetExternalDebugInfoFileSpec() { static ConstString g_sect_name_external_debug_info("external_debug_info"); for (const section_info §_info : m_sect_infos) { @@ -422,12 +423,12 @@ llvm::Optional<FileSpec> ObjectFileWasm::GetExternalDebugInfoFileSpec() { ReadImageData(sect_info.offset, kBufferSize); llvm::DataExtractor data = section_header_data.GetAsLLVM(); llvm::DataExtractor::Cursor c(0); - llvm::Optional<ConstString> symbols_url = GetWasmString(data, c); + std::optional<ConstString> symbols_url = GetWasmString(data, c); if (symbols_url) return FileSpec(symbols_url->GetStringRef()); } } - return llvm::None; + return std::nullopt; } void ObjectFileWasm::Dump(Stream *s) { |