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Diffstat (limited to 'contrib/llvm/lib/Support/YAMLTraits.cpp')
-rw-r--r-- | contrib/llvm/lib/Support/YAMLTraits.cpp | 987 |
1 files changed, 987 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Support/YAMLTraits.cpp b/contrib/llvm/lib/Support/YAMLTraits.cpp new file mode 100644 index 000000000000..601084f9eae3 --- /dev/null +++ b/contrib/llvm/lib/Support/YAMLTraits.cpp @@ -0,0 +1,987 @@ +//===- lib/Support/YAMLTraits.cpp -----------------------------------------===// +// +// The LLVM Linker +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/YAMLTraits.h" +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/ADT/Twine.h" +#include "llvm/Support/Casting.h" +#include "llvm/Support/Errc.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/Format.h" +#include "llvm/Support/LineIterator.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Support/YAMLParser.h" +#include "llvm/Support/raw_ostream.h" +#include <algorithm> +#include <cassert> +#include <cstdint> +#include <cstdlib> +#include <cstring> +#include <string> +#include <vector> + +using namespace llvm; +using namespace yaml; + +//===----------------------------------------------------------------------===// +// IO +//===----------------------------------------------------------------------===// + +IO::IO(void *Context) : Ctxt(Context) {} + +IO::~IO() = default; + +void *IO::getContext() { + return Ctxt; +} + +void IO::setContext(void *Context) { + Ctxt = Context; +} + +//===----------------------------------------------------------------------===// +// Input +//===----------------------------------------------------------------------===// + +Input::Input(StringRef InputContent, void *Ctxt, + SourceMgr::DiagHandlerTy DiagHandler, void *DiagHandlerCtxt) + : IO(Ctxt), Strm(new Stream(InputContent, SrcMgr, false, &EC)) { + if (DiagHandler) + SrcMgr.setDiagHandler(DiagHandler, DiagHandlerCtxt); + DocIterator = Strm->begin(); +} + +Input::~Input() = default; + +std::error_code Input::error() { return EC; } + +// Pin the vtables to this file. +void Input::HNode::anchor() {} +void Input::EmptyHNode::anchor() {} +void Input::ScalarHNode::anchor() {} +void Input::MapHNode::anchor() {} +void Input::SequenceHNode::anchor() {} + +bool Input::outputting() { + return false; +} + +bool Input::setCurrentDocument() { + if (DocIterator != Strm->end()) { + Node *N = DocIterator->getRoot(); + if (!N) { + assert(Strm->failed() && "Root is NULL iff parsing failed"); + EC = make_error_code(errc::invalid_argument); + return false; + } + + if (isa<NullNode>(N)) { + // Empty files are allowed and ignored + ++DocIterator; + return setCurrentDocument(); + } + TopNode = this->createHNodes(N); + CurrentNode = TopNode.get(); + return true; + } + return false; +} + +bool Input::nextDocument() { + return ++DocIterator != Strm->end(); +} + +const Node *Input::getCurrentNode() const { + return CurrentNode ? CurrentNode->_node : nullptr; +} + +bool Input::mapTag(StringRef Tag, bool Default) { + std::string foundTag = CurrentNode->_node->getVerbatimTag(); + if (foundTag.empty()) { + // If no tag found and 'Tag' is the default, say it was found. + return Default; + } + // Return true iff found tag matches supplied tag. + return Tag.equals(foundTag); +} + +void Input::beginMapping() { + if (EC) + return; + // CurrentNode can be null if the document is empty. + MapHNode *MN = dyn_cast_or_null<MapHNode>(CurrentNode); + if (MN) { + MN->ValidKeys.clear(); + } +} + +std::vector<StringRef> Input::keys() { + MapHNode *MN = dyn_cast<MapHNode>(CurrentNode); + std::vector<StringRef> Ret; + if (!MN) { + setError(CurrentNode, "not a mapping"); + return Ret; + } + for (auto &P : MN->Mapping) + Ret.push_back(P.first()); + return Ret; +} + +bool Input::preflightKey(const char *Key, bool Required, bool, bool &UseDefault, + void *&SaveInfo) { + UseDefault = false; + if (EC) + return false; + + // CurrentNode is null for empty documents, which is an error in case required + // nodes are present. + if (!CurrentNode) { + if (Required) + EC = make_error_code(errc::invalid_argument); + return false; + } + + MapHNode *MN = dyn_cast<MapHNode>(CurrentNode); + if (!MN) { + setError(CurrentNode, "not a mapping"); + return false; + } + MN->ValidKeys.push_back(Key); + HNode *Value = MN->Mapping[Key].get(); + if (!Value) { + if (Required) + setError(CurrentNode, Twine("missing required key '") + Key + "'"); + else + UseDefault = true; + return false; + } + SaveInfo = CurrentNode; + CurrentNode = Value; + return true; +} + +void Input::postflightKey(void *saveInfo) { + CurrentNode = reinterpret_cast<HNode *>(saveInfo); +} + +void Input::endMapping() { + if (EC) + return; + // CurrentNode can be null if the document is empty. + MapHNode *MN = dyn_cast_or_null<MapHNode>(CurrentNode); + if (!MN) + return; + for (const auto &NN : MN->Mapping) { + if (!is_contained(MN->ValidKeys, NN.first())) { + setError(NN.second.get(), Twine("unknown key '") + NN.first() + "'"); + break; + } + } +} + +void Input::beginFlowMapping() { beginMapping(); } + +void Input::endFlowMapping() { endMapping(); } + +unsigned Input::beginSequence() { + if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) + return SQ->Entries.size(); + if (isa<EmptyHNode>(CurrentNode)) + return 0; + // Treat case where there's a scalar "null" value as an empty sequence. + if (ScalarHNode *SN = dyn_cast<ScalarHNode>(CurrentNode)) { + if (isNull(SN->value())) + return 0; + } + // Any other type of HNode is an error. + setError(CurrentNode, "not a sequence"); + return 0; +} + +void Input::endSequence() { +} + +bool Input::preflightElement(unsigned Index, void *&SaveInfo) { + if (EC) + return false; + if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) { + SaveInfo = CurrentNode; + CurrentNode = SQ->Entries[Index].get(); + return true; + } + return false; +} + +void Input::postflightElement(void *SaveInfo) { + CurrentNode = reinterpret_cast<HNode *>(SaveInfo); +} + +unsigned Input::beginFlowSequence() { return beginSequence(); } + +bool Input::preflightFlowElement(unsigned index, void *&SaveInfo) { + if (EC) + return false; + if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) { + SaveInfo = CurrentNode; + CurrentNode = SQ->Entries[index].get(); + return true; + } + return false; +} + +void Input::postflightFlowElement(void *SaveInfo) { + CurrentNode = reinterpret_cast<HNode *>(SaveInfo); +} + +void Input::endFlowSequence() { +} + +void Input::beginEnumScalar() { + ScalarMatchFound = false; +} + +bool Input::matchEnumScalar(const char *Str, bool) { + if (ScalarMatchFound) + return false; + if (ScalarHNode *SN = dyn_cast<ScalarHNode>(CurrentNode)) { + if (SN->value().equals(Str)) { + ScalarMatchFound = true; + return true; + } + } + return false; +} + +bool Input::matchEnumFallback() { + if (ScalarMatchFound) + return false; + ScalarMatchFound = true; + return true; +} + +void Input::endEnumScalar() { + if (!ScalarMatchFound) { + setError(CurrentNode, "unknown enumerated scalar"); + } +} + +bool Input::beginBitSetScalar(bool &DoClear) { + BitValuesUsed.clear(); + if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) { + BitValuesUsed.insert(BitValuesUsed.begin(), SQ->Entries.size(), false); + } else { + setError(CurrentNode, "expected sequence of bit values"); + } + DoClear = true; + return true; +} + +bool Input::bitSetMatch(const char *Str, bool) { + if (EC) + return false; + if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) { + unsigned Index = 0; + for (auto &N : SQ->Entries) { + if (ScalarHNode *SN = dyn_cast<ScalarHNode>(N.get())) { + if (SN->value().equals(Str)) { + BitValuesUsed[Index] = true; + return true; + } + } else { + setError(CurrentNode, "unexpected scalar in sequence of bit values"); + } + ++Index; + } + } else { + setError(CurrentNode, "expected sequence of bit values"); + } + return false; +} + +void Input::endBitSetScalar() { + if (EC) + return; + if (SequenceHNode *SQ = dyn_cast<SequenceHNode>(CurrentNode)) { + assert(BitValuesUsed.size() == SQ->Entries.size()); + for (unsigned i = 0; i < SQ->Entries.size(); ++i) { + if (!BitValuesUsed[i]) { + setError(SQ->Entries[i].get(), "unknown bit value"); + return; + } + } + } +} + +void Input::scalarString(StringRef &S, bool) { + if (ScalarHNode *SN = dyn_cast<ScalarHNode>(CurrentNode)) { + S = SN->value(); + } else { + setError(CurrentNode, "unexpected scalar"); + } +} + +void Input::blockScalarString(StringRef &S) { scalarString(S, false); } + +void Input::setError(HNode *hnode, const Twine &message) { + assert(hnode && "HNode must not be NULL"); + this->setError(hnode->_node, message); +} + +void Input::setError(Node *node, const Twine &message) { + Strm->printError(node, message); + EC = make_error_code(errc::invalid_argument); +} + +std::unique_ptr<Input::HNode> Input::createHNodes(Node *N) { + SmallString<128> StringStorage; + if (ScalarNode *SN = dyn_cast<ScalarNode>(N)) { + StringRef KeyStr = SN->getValue(StringStorage); + if (!StringStorage.empty()) { + // Copy string to permanent storage + KeyStr = StringStorage.str().copy(StringAllocator); + } + return llvm::make_unique<ScalarHNode>(N, KeyStr); + } else if (BlockScalarNode *BSN = dyn_cast<BlockScalarNode>(N)) { + StringRef ValueCopy = BSN->getValue().copy(StringAllocator); + return llvm::make_unique<ScalarHNode>(N, ValueCopy); + } else if (SequenceNode *SQ = dyn_cast<SequenceNode>(N)) { + auto SQHNode = llvm::make_unique<SequenceHNode>(N); + for (Node &SN : *SQ) { + auto Entry = this->createHNodes(&SN); + if (EC) + break; + SQHNode->Entries.push_back(std::move(Entry)); + } + return std::move(SQHNode); + } else if (MappingNode *Map = dyn_cast<MappingNode>(N)) { + auto mapHNode = llvm::make_unique<MapHNode>(N); + for (KeyValueNode &KVN : *Map) { + Node *KeyNode = KVN.getKey(); + ScalarNode *KeyScalar = dyn_cast<ScalarNode>(KeyNode); + if (!KeyScalar) { + setError(KeyNode, "Map key must be a scalar"); + break; + } + StringStorage.clear(); + StringRef KeyStr = KeyScalar->getValue(StringStorage); + if (!StringStorage.empty()) { + // Copy string to permanent storage + KeyStr = StringStorage.str().copy(StringAllocator); + } + auto ValueHNode = this->createHNodes(KVN.getValue()); + if (EC) + break; + mapHNode->Mapping[KeyStr] = std::move(ValueHNode); + } + return std::move(mapHNode); + } else if (isa<NullNode>(N)) { + return llvm::make_unique<EmptyHNode>(N); + } else { + setError(N, "unknown node kind"); + return nullptr; + } +} + +void Input::setError(const Twine &Message) { + this->setError(CurrentNode, Message); +} + +bool Input::canElideEmptySequence() { + return false; +} + +//===----------------------------------------------------------------------===// +// Output +//===----------------------------------------------------------------------===// + +Output::Output(raw_ostream &yout, void *context, int WrapColumn) + : IO(context), Out(yout), WrapColumn(WrapColumn) {} + +Output::~Output() = default; + +bool Output::outputting() { + return true; +} + +void Output::beginMapping() { + StateStack.push_back(inMapFirstKey); + NeedsNewLine = true; +} + +bool Output::mapTag(StringRef Tag, bool Use) { + if (Use) { + // If this tag is being written inside a sequence we should write the start + // of the sequence before writing the tag, otherwise the tag won't be + // attached to the element in the sequence, but rather the sequence itself. + bool SequenceElement = + StateStack.size() > 1 && (StateStack[StateStack.size() - 2] == inSeq || + StateStack[StateStack.size() - 2] == inFlowSeq); + if (SequenceElement && StateStack.back() == inMapFirstKey) { + this->newLineCheck(); + } else { + this->output(" "); + } + this->output(Tag); + if (SequenceElement) { + // If we're writing the tag during the first element of a map, the tag + // takes the place of the first element in the sequence. + if (StateStack.back() == inMapFirstKey) { + StateStack.pop_back(); + StateStack.push_back(inMapOtherKey); + } + // Tags inside maps in sequences should act as keys in the map from a + // formatting perspective, so we always want a newline in a sequence. + NeedsNewLine = true; + } + } + return Use; +} + +void Output::endMapping() { + StateStack.pop_back(); +} + +std::vector<StringRef> Output::keys() { + report_fatal_error("invalid call"); +} + +bool Output::preflightKey(const char *Key, bool Required, bool SameAsDefault, + bool &UseDefault, void *&) { + UseDefault = false; + if (Required || !SameAsDefault || WriteDefaultValues) { + auto State = StateStack.back(); + if (State == inFlowMapFirstKey || State == inFlowMapOtherKey) { + flowKey(Key); + } else { + this->newLineCheck(); + this->paddedKey(Key); + } + return true; + } + return false; +} + +void Output::postflightKey(void *) { + if (StateStack.back() == inMapFirstKey) { + StateStack.pop_back(); + StateStack.push_back(inMapOtherKey); + } else if (StateStack.back() == inFlowMapFirstKey) { + StateStack.pop_back(); + StateStack.push_back(inFlowMapOtherKey); + } +} + +void Output::beginFlowMapping() { + StateStack.push_back(inFlowMapFirstKey); + this->newLineCheck(); + ColumnAtMapFlowStart = Column; + output("{ "); +} + +void Output::endFlowMapping() { + StateStack.pop_back(); + this->outputUpToEndOfLine(" }"); +} + +void Output::beginDocuments() { + this->outputUpToEndOfLine("---"); +} + +bool Output::preflightDocument(unsigned index) { + if (index > 0) + this->outputUpToEndOfLine("\n---"); + return true; +} + +void Output::postflightDocument() { +} + +void Output::endDocuments() { + output("\n...\n"); +} + +unsigned Output::beginSequence() { + StateStack.push_back(inSeq); + NeedsNewLine = true; + return 0; +} + +void Output::endSequence() { + StateStack.pop_back(); +} + +bool Output::preflightElement(unsigned, void *&) { + return true; +} + +void Output::postflightElement(void *) { +} + +unsigned Output::beginFlowSequence() { + StateStack.push_back(inFlowSeq); + this->newLineCheck(); + ColumnAtFlowStart = Column; + output("[ "); + NeedFlowSequenceComma = false; + return 0; +} + +void Output::endFlowSequence() { + StateStack.pop_back(); + this->outputUpToEndOfLine(" ]"); +} + +bool Output::preflightFlowElement(unsigned, void *&) { + if (NeedFlowSequenceComma) + output(", "); + if (WrapColumn && Column > WrapColumn) { + output("\n"); + for (int i = 0; i < ColumnAtFlowStart; ++i) + output(" "); + Column = ColumnAtFlowStart; + output(" "); + } + return true; +} + +void Output::postflightFlowElement(void *) { + NeedFlowSequenceComma = true; +} + +void Output::beginEnumScalar() { + EnumerationMatchFound = false; +} + +bool Output::matchEnumScalar(const char *Str, bool Match) { + if (Match && !EnumerationMatchFound) { + this->newLineCheck(); + this->outputUpToEndOfLine(Str); + EnumerationMatchFound = true; + } + return false; +} + +bool Output::matchEnumFallback() { + if (EnumerationMatchFound) + return false; + EnumerationMatchFound = true; + return true; +} + +void Output::endEnumScalar() { + if (!EnumerationMatchFound) + llvm_unreachable("bad runtime enum value"); +} + +bool Output::beginBitSetScalar(bool &DoClear) { + this->newLineCheck(); + output("[ "); + NeedBitValueComma = false; + DoClear = false; + return true; +} + +bool Output::bitSetMatch(const char *Str, bool Matches) { + if (Matches) { + if (NeedBitValueComma) + output(", "); + this->output(Str); + NeedBitValueComma = true; + } + return false; +} + +void Output::endBitSetScalar() { + this->outputUpToEndOfLine(" ]"); +} + +void Output::scalarString(StringRef &S, bool MustQuote) { + this->newLineCheck(); + if (S.empty()) { + // Print '' for the empty string because leaving the field empty is not + // allowed. + this->outputUpToEndOfLine("''"); + return; + } + if (!MustQuote) { + // Only quote if we must. + this->outputUpToEndOfLine(S); + return; + } + unsigned i = 0; + unsigned j = 0; + unsigned End = S.size(); + output("'"); // Starting single quote. + const char *Base = S.data(); + while (j < End) { + // Escape a single quote by doubling it. + if (S[j] == '\'') { + output(StringRef(&Base[i], j - i + 1)); + output("'"); + i = j + 1; + } + ++j; + } + output(StringRef(&Base[i], j - i)); + this->outputUpToEndOfLine("'"); // Ending single quote. +} + +void Output::blockScalarString(StringRef &S) { + if (!StateStack.empty()) + newLineCheck(); + output(" |"); + outputNewLine(); + + unsigned Indent = StateStack.empty() ? 1 : StateStack.size(); + + auto Buffer = MemoryBuffer::getMemBuffer(S, "", false); + for (line_iterator Lines(*Buffer, false); !Lines.is_at_end(); ++Lines) { + for (unsigned I = 0; I < Indent; ++I) { + output(" "); + } + output(*Lines); + outputNewLine(); + } +} + +void Output::setError(const Twine &message) { +} + +bool Output::canElideEmptySequence() { + // Normally, with an optional key/value where the value is an empty sequence, + // the whole key/value can be not written. But, that produces wrong yaml + // if the key/value is the only thing in the map and the map is used in + // a sequence. This detects if the this sequence is the first key/value + // in map that itself is embedded in a sequnce. + if (StateStack.size() < 2) + return true; + if (StateStack.back() != inMapFirstKey) + return true; + return (StateStack[StateStack.size()-2] != inSeq); +} + +void Output::output(StringRef s) { + Column += s.size(); + Out << s; +} + +void Output::outputUpToEndOfLine(StringRef s) { + this->output(s); + if (StateStack.empty() || (StateStack.back() != inFlowSeq && + StateStack.back() != inFlowMapFirstKey && + StateStack.back() != inFlowMapOtherKey)) + NeedsNewLine = true; +} + +void Output::outputNewLine() { + Out << "\n"; + Column = 0; +} + +// if seq at top, indent as if map, then add "- " +// if seq in middle, use "- " if firstKey, else use " " +// + +void Output::newLineCheck() { + if (!NeedsNewLine) + return; + NeedsNewLine = false; + + this->outputNewLine(); + + assert(StateStack.size() > 0); + unsigned Indent = StateStack.size() - 1; + bool OutputDash = false; + + if (StateStack.back() == inSeq) { + OutputDash = true; + } else if ((StateStack.size() > 1) && ((StateStack.back() == inMapFirstKey) || + (StateStack.back() == inFlowSeq) || + (StateStack.back() == inFlowMapFirstKey)) && + (StateStack[StateStack.size() - 2] == inSeq)) { + --Indent; + OutputDash = true; + } + + for (unsigned i = 0; i < Indent; ++i) { + output(" "); + } + if (OutputDash) { + output("- "); + } + +} + +void Output::paddedKey(StringRef key) { + output(key); + output(":"); + const char *spaces = " "; + if (key.size() < strlen(spaces)) + output(&spaces[key.size()]); + else + output(" "); +} + +void Output::flowKey(StringRef Key) { + if (StateStack.back() == inFlowMapOtherKey) + output(", "); + if (WrapColumn && Column > WrapColumn) { + output("\n"); + for (int I = 0; I < ColumnAtMapFlowStart; ++I) + output(" "); + Column = ColumnAtMapFlowStart; + output(" "); + } + output(Key); + output(": "); +} + +//===----------------------------------------------------------------------===// +// traits for built-in types +//===----------------------------------------------------------------------===// + +void ScalarTraits<bool>::output(const bool &Val, void *, raw_ostream &Out) { + Out << (Val ? "true" : "false"); +} + +StringRef ScalarTraits<bool>::input(StringRef Scalar, void *, bool &Val) { + if (Scalar.equals("true")) { + Val = true; + return StringRef(); + } else if (Scalar.equals("false")) { + Val = false; + return StringRef(); + } + return "invalid boolean"; +} + +void ScalarTraits<StringRef>::output(const StringRef &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<StringRef>::input(StringRef Scalar, void *, + StringRef &Val) { + Val = Scalar; + return StringRef(); +} + +void ScalarTraits<std::string>::output(const std::string &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<std::string>::input(StringRef Scalar, void *, + std::string &Val) { + Val = Scalar.str(); + return StringRef(); +} + +void ScalarTraits<uint8_t>::output(const uint8_t &Val, void *, + raw_ostream &Out) { + // use temp uin32_t because ostream thinks uint8_t is a character + uint32_t Num = Val; + Out << Num; +} + +StringRef ScalarTraits<uint8_t>::input(StringRef Scalar, void *, uint8_t &Val) { + unsigned long long n; + if (getAsUnsignedInteger(Scalar, 0, n)) + return "invalid number"; + if (n > 0xFF) + return "out of range number"; + Val = n; + return StringRef(); +} + +void ScalarTraits<uint16_t>::output(const uint16_t &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<uint16_t>::input(StringRef Scalar, void *, + uint16_t &Val) { + unsigned long long n; + if (getAsUnsignedInteger(Scalar, 0, n)) + return "invalid number"; + if (n > 0xFFFF) + return "out of range number"; + Val = n; + return StringRef(); +} + +void ScalarTraits<uint32_t>::output(const uint32_t &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<uint32_t>::input(StringRef Scalar, void *, + uint32_t &Val) { + unsigned long long n; + if (getAsUnsignedInteger(Scalar, 0, n)) + return "invalid number"; + if (n > 0xFFFFFFFFUL) + return "out of range number"; + Val = n; + return StringRef(); +} + +void ScalarTraits<uint64_t>::output(const uint64_t &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<uint64_t>::input(StringRef Scalar, void *, + uint64_t &Val) { + unsigned long long N; + if (getAsUnsignedInteger(Scalar, 0, N)) + return "invalid number"; + Val = N; + return StringRef(); +} + +void ScalarTraits<int8_t>::output(const int8_t &Val, void *, raw_ostream &Out) { + // use temp in32_t because ostream thinks int8_t is a character + int32_t Num = Val; + Out << Num; +} + +StringRef ScalarTraits<int8_t>::input(StringRef Scalar, void *, int8_t &Val) { + long long N; + if (getAsSignedInteger(Scalar, 0, N)) + return "invalid number"; + if ((N > 127) || (N < -128)) + return "out of range number"; + Val = N; + return StringRef(); +} + +void ScalarTraits<int16_t>::output(const int16_t &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<int16_t>::input(StringRef Scalar, void *, int16_t &Val) { + long long N; + if (getAsSignedInteger(Scalar, 0, N)) + return "invalid number"; + if ((N > INT16_MAX) || (N < INT16_MIN)) + return "out of range number"; + Val = N; + return StringRef(); +} + +void ScalarTraits<int32_t>::output(const int32_t &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<int32_t>::input(StringRef Scalar, void *, int32_t &Val) { + long long N; + if (getAsSignedInteger(Scalar, 0, N)) + return "invalid number"; + if ((N > INT32_MAX) || (N < INT32_MIN)) + return "out of range number"; + Val = N; + return StringRef(); +} + +void ScalarTraits<int64_t>::output(const int64_t &Val, void *, + raw_ostream &Out) { + Out << Val; +} + +StringRef ScalarTraits<int64_t>::input(StringRef Scalar, void *, int64_t &Val) { + long long N; + if (getAsSignedInteger(Scalar, 0, N)) + return "invalid number"; + Val = N; + return StringRef(); +} + +void ScalarTraits<double>::output(const double &Val, void *, raw_ostream &Out) { + Out << format("%g", Val); +} + +StringRef ScalarTraits<double>::input(StringRef Scalar, void *, double &Val) { + if (to_float(Scalar, Val)) + return StringRef(); + return "invalid floating point number"; +} + +void ScalarTraits<float>::output(const float &Val, void *, raw_ostream &Out) { + Out << format("%g", Val); +} + +StringRef ScalarTraits<float>::input(StringRef Scalar, void *, float &Val) { + if (to_float(Scalar, Val)) + return StringRef(); + return "invalid floating point number"; +} + +void ScalarTraits<Hex8>::output(const Hex8 &Val, void *, raw_ostream &Out) { + uint8_t Num = Val; + Out << format("0x%02X", Num); +} + +StringRef ScalarTraits<Hex8>::input(StringRef Scalar, void *, Hex8 &Val) { + unsigned long long n; + if (getAsUnsignedInteger(Scalar, 0, n)) + return "invalid hex8 number"; + if (n > 0xFF) + return "out of range hex8 number"; + Val = n; + return StringRef(); +} + +void ScalarTraits<Hex16>::output(const Hex16 &Val, void *, raw_ostream &Out) { + uint16_t Num = Val; + Out << format("0x%04X", Num); +} + +StringRef ScalarTraits<Hex16>::input(StringRef Scalar, void *, Hex16 &Val) { + unsigned long long n; + if (getAsUnsignedInteger(Scalar, 0, n)) + return "invalid hex16 number"; + if (n > 0xFFFF) + return "out of range hex16 number"; + Val = n; + return StringRef(); +} + +void ScalarTraits<Hex32>::output(const Hex32 &Val, void *, raw_ostream &Out) { + uint32_t Num = Val; + Out << format("0x%08X", Num); +} + +StringRef ScalarTraits<Hex32>::input(StringRef Scalar, void *, Hex32 &Val) { + unsigned long long n; + if (getAsUnsignedInteger(Scalar, 0, n)) + return "invalid hex32 number"; + if (n > 0xFFFFFFFFUL) + return "out of range hex32 number"; + Val = n; + return StringRef(); +} + +void ScalarTraits<Hex64>::output(const Hex64 &Val, void *, raw_ostream &Out) { + uint64_t Num = Val; + Out << format("0x%016llX", Num); +} + +StringRef ScalarTraits<Hex64>::input(StringRef Scalar, void *, Hex64 &Val) { + unsigned long long Num; + if (getAsUnsignedInteger(Scalar, 0, Num)) + return "invalid hex64 number"; + Val = Num; + return StringRef(); +} |