void FileSystemDevice::FileState::complete_readbuf(PacketHeader *packet_)
{
Packet<uint8,Sys::AsyncFile::ReadBufExt,ReadExt> packet=packet_;
auto ext=packet.getExt();
auto ext2=packet.getDeepExt<1>();
if( ext->isOk() )
{
if( ext->off==ext2->off )
{
if( ext->data.len==ext2->len )
{
ext2->setData(ext->data.ptr);
}
else
{
ext2->setError(FileError_ReadLenMismatch);
}
}
else
{
ext2->setError(FileError_BadPosition);
}
}
else
{
ext2->setError(MakeError(ext,FileError_ReadFault));
}
packet.popExt().complete();
}
void close()
{
error=MakeError(FileError_OpenFault);
Win32::CloseHandle(handle); // ignore unprobable error
handle=Win32::InvalidFileHandle;
}
TValueOrError<TArray<FCompiledToken>, FExpressionError> Compile()
{
auto Error = CompileGroup(nullptr, nullptr);
if (Error.IsSet())
{
return MakeError(Error.GetValue());
}
return MakeValue(MoveTemp(Commands));
}
SMCResult CPluginInfoDatabase::ReadSMC_NewSection(const SMCStates *states, const char *name)
{
if (!in_plugins)
{
/* If we're not in the main Plugins section, and we don't get it for the name, error out */
if (strcmp(name, "Plugins") != 0)
{
return MakeError("Unknown root section: \"%s\"", name);
}
else
{
/* Otherwise set our states */
in_plugins = true;
cur_plugin = -1;
in_options = false;
}
}
else
{
if (cur_plugin == -1)
{
/* If we get a plugin node and we don't have a current plugin, create a new one */
PluginSettings *plugin;
int i_name = m_strtab->AddString(name);
cur_plugin = m_strtab->GetMemTable()->CreateMem(sizeof(PluginSettings), (void **)&plugin);
plugin->Init();
plugin->name = i_name;
in_options = false;
}
else
{
if (!in_options && strcmp(name, "Options") == 0)
{
in_options = true;
}
else
{
return MakeError("Unknown plugin sub-section: \"%s\"", name);
}
}
}
return SMCResult_Continue;
}
CompileResultType Compile(const TCHAR* InExpression, const FTokenDefinitions& InTokenDefinitions, const FExpressionGrammar& InGrammar)
{
TValueOrError<TArray<FExpressionToken>, FExpressionError> Result = Lex(InExpression, InTokenDefinitions);
if (!Result.IsValid())
{
return MakeError(Result.GetError());
}
return Compile(MoveTemp(Result.GetValue()), InGrammar);
}
FExpressionResult Evaluate(const TCHAR* InExpression, const FTokenDefinitions& InTokenDefinitions, const FExpressionGrammar& InGrammar, const IOperatorEvaluationEnvironment& InEnvironment)
{
TValueOrError<TArray<FCompiledToken>, FExpressionError> CompilationResult = Compile(InExpression, InTokenDefinitions, InGrammar);
if (!CompilationResult.IsValid())
{
return MakeError(CompilationResult.GetError());
}
return Evaluate(CompilationResult.GetValue(), InEnvironment);
}
LexResultType Lex(const TCHAR* InExpression, const FTokenDefinitions& TokenDefinitions)
{
FExpressionTokenConsumer TokenConsumer(InExpression);
TOptional<FExpressionError> Error = TokenDefinitions.ConsumeTokens(TokenConsumer);
if (Error.IsSet())
{
return MakeError(Error.GetValue());
}
return MakeValue(TokenConsumer.Extract());
}
bool set(Win32::handle_t h_file)
{
handle=h_file;
if( h_file==Win32::InvalidFileHandle )
{
error=MakeError(FileError_OpenFault);
return false;
}
else
{
error=FileError_Ok;
return true;
}
}
void FileSystemDevice::complete_getFileList(PacketHeader *packet_)
{
Packet<uint8,Sys::AsyncFileSystem::FileExt,GetFileListExt> packet=packet_;
auto ext=packet.getExt();
auto ext2=packet.getDeepExt<1>();
if( ext->isOk() )
{
CompleteFile(ext2,ext->file_id,ext->file_len);
}
else
{
CompleteFile(ext2,MakeError(ext,FileError_OpFault));
}
packet.popExt().complete();
}
void FileSystemDevice::FileState::complete_write(PacketHeader *packet_)
{
Packet<uint8,Sys::AsyncFile::WriteExt,WriteExt> packet=packet_;
auto ext=packet.getExt();
auto ext2=packet.getDeepExt<1>();
if( ext->isOk() )
{
ext2->setFileLen(ext->file_len);
}
else
{
ext2->setError(MakeError(ext,FileError_WriteFault));
}
packet.popExt().complete();
}
void FileSystemDevice::complete_getFileUpdateTime(PacketHeader *packet_)
{
Packet<uint8,Sys::AsyncFileSystem::CmpFileTimeExt,GetFileUpdateTimeExt> packet=packet_;
auto ext=packet.getExt();
auto ext2=packet.getDeepExt<1>();
if( ext->isOk() )
{
ext2->setFileTime(ext->file_time);
}
else
{
ext2->setError(MakeError(ext,FileError_OpFault));
}
packet.popExt().complete();
}
void FileSystemDevice::FileState::complete_close(PacketHeader *packet_)
{
Packet<uint8,Sys::AsyncFile::CloseExt,CloseExt> packet=packet_;
auto ext=packet.getExt();
auto ext2=packet.getDeepExt<1>();
if( ext->isOk() )
{
ext2->noError();
}
else
{
ext2->setError(MakeError(ext,FileError_CloseFault));
}
packet.popExt().complete();
}
void Web::main(std::string url) {
struct timeval start, end;
gettimeofday(&start, NULL);
long mtime, seconds, useconds;
std::string lock = GetFromConfig<std::string>("setup.lockfile");
if (!Generic::FileSystem::Check(lock).ExistFile()) {
if (url != "/setup"){
response().set_redirect_header("/setup");
return;
}
}
if (!dispatcher().dispatch(url)) {
MakeError("html",404,"Url " + url + " was not found");
}
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("Elapsed time: %ld milliseconds\n", mtime);
}
void FTextFormatData::Compile_NoLock()
{
LexedExpression.Reset();
if (SourceType == ESourceType::Text)
{
SourceExpression = SourceText.ToString();
CompiledTextSnapshot = FTextSnapshot(SourceText);
}
CompiledExpressionType = FTextFormat::EExpressionType::Simple;
BaseFormatStringLength = 0;
FormatArgumentEstimateMultiplier = 1;
TValueOrError<TArray<FExpressionToken>, FExpressionError> Result = ExpressionParser::Lex(*SourceExpression, FTextFormatter::Get().GetTextFormatDefinitions());
bool bValidExpression = Result.IsValid();
if (bValidExpression)
{
LexedExpression = Result.StealValue();
// Quickly make sure the tokens are valid (argument modifiers may only follow an argument token)
for (int32 TokenIndex = 0; TokenIndex < LexedExpression.Num(); ++TokenIndex)
{
const FExpressionToken& Token = LexedExpression[TokenIndex];
if (const auto* Literal = Token.Node.Cast<TextFormatTokens::FStringLiteral>())
{
BaseFormatStringLength += Literal->StringLen;
}
else if (auto* Escaped = Token.Node.Cast<TextFormatTokens::FEscapedCharacter>())
{
BaseFormatStringLength += 1;
}
else if (const auto* ArgumentToken = Token.Node.Cast<TextFormatTokens::FArgumentTokenSpecifier>())
{
CompiledExpressionType = FTextFormat::EExpressionType::Complex;
if (LexedExpression.IsValidIndex(TokenIndex + 1))
{
const FExpressionToken& NextToken = LexedExpression[TokenIndex + 1];
// Peek to see if the next token is an argument modifier
if (const auto* ArgumentModifierToken = NextToken.Node.Cast<TextFormatTokens::FArgumentModifierTokenSpecifier>())
{
int32 ArgModLength = 0;
bool ArgModUsesFormatArgs = false;
ArgumentModifierToken->TextFormatArgumentModifier->EstimateLength(ArgModLength, ArgModUsesFormatArgs);
BaseFormatStringLength += ArgModLength;
FormatArgumentEstimateMultiplier += (ArgModUsesFormatArgs) ? 1 : 0;
++TokenIndex; // walk over the argument token so that the next iteration will skip over the argument modifier
continue;
}
}
}
else if (Token.Node.Cast<TextFormatTokens::FArgumentModifierTokenSpecifier>())
{
// Unexpected argument modifier token!
const FText ErrorSourceText = FText::FromString(Token.Context.GetString());
Result = MakeError(FExpressionError(FText::Format(LOCTEXT("UnexpectedArgumentModifierToken", "Unexpected 'argument modifier' token: {0} (token started at index {1})"), ErrorSourceText, Token.Context.GetCharacterIndex())));
bValidExpression = false;
break;
}
}
}
if (!bValidExpression)
{
LexedExpression.Reset();
CompiledExpressionType = FTextFormat::EExpressionType::Invalid;
UE_LOG(LogTextFormatter, Warning, TEXT("Failed to compile text format string '%s': %s"), *SourceExpression, *Result.GetError().Text.ToString());
}
}
Type* Type::Read(Buffer *buf)
{
uint32_t kind = 0;
uint32_t width = 0;
uint32_t count = 0;
bool sign = false;
bool varargs = false;
String *name = NULL;
Type *target_type = NULL;
TypeCSU *csu_type = NULL;
Vector<Type*> argument_types;
Try(ReadOpenTag(buf, TAG_Type));
while (!ReadCloseTag(buf, TAG_Type)) {
switch (PeekOpenTag(buf)) {
case TAG_Kind: {
Try(!kind);
Try(ReadTagUInt32(buf, TAG_Kind, &kind));
break;
}
case TAG_Width: {
Try(ReadTagUInt32(buf, TAG_Width, &width));
break;
}
case TAG_Sign: {
Try(ReadTagEmpty(buf, TAG_Sign));
sign = true;
break;
}
case TAG_Name: {
Try(!name);
Try(kind == YK_CSU);
name = String::ReadWithTag(buf, TAG_Name);
break;
}
case TAG_Type: {
Try(!target_type);
Try(kind == YK_Pointer || kind == YK_Array || kind == YK_Function);
target_type = Type::Read(buf);
break;
}
case TAG_Count: {
Try(kind == YK_Array);
Try(ReadTagUInt32(buf, TAG_Count, &count));
break;
}
case TAG_TypeFunctionCSU: {
Try(!csu_type);
Try(ReadOpenTag(buf, TAG_TypeFunctionCSU));
csu_type = Type::Read(buf)->AsCSU();
Try(ReadCloseTag(buf, TAG_TypeFunctionCSU));
break;
}
case TAG_TypeFunctionVarArgs: {
Try(kind == YK_Function);
Try(ReadTagEmpty(buf, TAG_TypeFunctionVarArgs));
varargs = true;
break;
}
case TAG_TypeFunctionArguments: {
Try(kind == YK_Function);
Try(argument_types.Empty());
Try(ReadOpenTag(buf, TAG_TypeFunctionArguments));
while (!ReadCloseTag(buf, TAG_TypeFunctionArguments)) {
Type *ntype = Type::Read(buf);
argument_types.PushBack(ntype);
}
break;
}
default:
Try(false);
}
}
switch ((TypeKind)kind) {
case YK_Error:
return MakeError();
case YK_Void:
return MakeVoid();
case YK_Int:
return MakeInt(width, sign);
case YK_Float:
return MakeFloat(width);
case YK_Pointer:
Try(target_type);
return MakePointer(target_type, width);
case YK_Array:
Try(target_type);
return MakeArray(target_type, count);
case YK_CSU:
Try(name);
return MakeCSU(name);
case YK_Function:
Try(target_type);
return MakeFunction(target_type, csu_type, varargs, argument_types);
default:
Try(false);
}
}
SMCResult CPluginInfoDatabase::ReadSMC_KeyValue(const SMCStates *states, const char *key, const char *value)
{
if (cur_plugin != -1)
{
PluginSettings *plugin = (PluginSettings *)m_strtab->GetMemTable()->GetAddress(cur_plugin);
if (!in_options)
{
if (strcmp(key, "pause") == 0)
{
if (strcasecmp(value, "yes") == 0)
{
plugin->pause_val = true;
}
else
{
plugin->pause_val = false;
}
}
else if (strcmp(key, "lifetime") == 0)
{
if (strcasecmp(value, "private") == 0)
{
plugin->type_val = PluginType_Private;
}
else if (strcasecmp(value, "mapsync") == 0)
{
plugin->type_val = PluginType_MapUpdated;
}
else if (strcasecmp(value, "maponly") == 0)
{
plugin->type_val = PluginType_MapOnly;
}
else if (strcasecmp(value, "global") == 0)
{
plugin->type_val = PluginType_Global;
}
else
{
return MakeError("Unknown value for key \"lifetime\": \"%s\"", value);
}
}
else if (strcmp(key, "blockload") == 0)
{
plugin->blockload_val = true;
}
else
{
return MakeError("Unknown property key: \"%s\"", key);
}
}
else
{
/* Cache every option, valid or not */
int keyidx = m_strtab->AddString(key);
int validx = m_strtab->AddString(value);
PluginOpts *table;
BaseMemTable *memtab = m_strtab->GetMemTable();
plugin = (PluginSettings *)memtab->GetAddress(cur_plugin);
if (plugin->opts_num + 1 > plugin->opts_size)
{
unsigned int oldsize = plugin->opts_size;
if (oldsize == 0)
{
//right now we don't have many
plugin->opts_size = 2;
}
else
{
plugin->opts_size *= 2;
}
int newidx = memtab->CreateMem(plugin->opts_size * sizeof(PluginOpts), (void **)&table);
/* in case it resized */
plugin = (PluginSettings *)memtab->GetAddress(cur_plugin);
if (plugin->optarray != -1)
{
void *oldtable = memtab->GetAddress(plugin->optarray);
memcpy(table, oldtable, oldsize * sizeof(PluginOpts));
}
plugin->optarray = newidx;
}
else
{
table = (PluginOpts *)memtab->GetAddress(plugin->optarray);
}
PluginOpts *opt = &table[plugin->opts_num++];
opt->key = keyidx;
opt->val = validx;
}
}
else if (in_plugins)
{
return MakeError("Unknown property key: \"%s\"", key);
}
else
{
/* Ignore anything we don't know about! */
}
return SMCResult_Continue;
}
FExpressionResult Evaluate(const TArray<FCompiledToken>& CompiledTokens, const IOperatorEvaluationEnvironment& InEnvironment)
{
// Evaluation strategy: the supplied compiled tokens are const. To avoid copying the whole array, we store a separate array of
// any tokens that are generated at runtime by the evaluator. The operand stack will consist of indices into either the CompiledTokens
// array, or the RuntimeGeneratedTokens (where Index >= CompiledTokens.Num())
TArray<FExpressionToken> RuntimeGeneratedTokens;
TArray<int32> OperandStack;
/** Get the token pertaining to the specified operand index */
auto GetToken = [&](int32 Index) -> const FExpressionToken& {
if (Index < CompiledTokens.Num())
{
return CompiledTokens[Index];
}
return RuntimeGeneratedTokens[Index - CompiledTokens.Num()];
};
/** Add a new token to the runtime generated array */
auto AddToken = [&](FExpressionToken&& In) -> int32 {
auto Index = CompiledTokens.Num() + RuntimeGeneratedTokens.Num();
RuntimeGeneratedTokens.Emplace(MoveTemp(In));
return Index;
};
for (int32 Index = 0; Index < CompiledTokens.Num(); ++Index)
{
const auto& Token = CompiledTokens[Index];
switch(Token.Type)
{
case FCompiledToken::Benign:
continue;
case FCompiledToken::Operand:
OperandStack.Push(Index);
continue;
case FCompiledToken::BinaryOperator:
if (OperandStack.Num() >= 2)
{
// Binary
const auto& R = GetToken(OperandStack.Pop());
const auto& L = GetToken(OperandStack.Pop());
auto OpResult = InEnvironment.ExecBinary(Token, L, R);
if (OpResult.IsValid())
{
// Inherit the LHS context
OperandStack.Push(AddToken(FExpressionToken(L.Context, MoveTemp(OpResult.GetValue()))));
}
else
{
return MakeError(OpResult.GetError());
}
}
else
{
FFormatOrderedArguments Args;
Args.Add(FText::FromString(Token.Context.GetString()));
return MakeError(FText::Format(LOCTEXT("SyntaxError_NotEnoughOperandsBinary", "Not enough operands for binary operator {0}"), Args));
}
break;
case FCompiledToken::PostUnaryOperator:
case FCompiledToken::PreUnaryOperator:
if (OperandStack.Num() >= 1)
{
const auto& Operand = GetToken(OperandStack.Pop());
FExpressionResult OpResult = (Token.Type == FCompiledToken::PreUnaryOperator) ?
InEnvironment.ExecPreUnary(Token, Operand) :
InEnvironment.ExecPostUnary(Token, Operand);
if (OpResult.IsValid())
{
// Inherit the LHS context
OperandStack.Push(AddToken(FExpressionToken(Operand.Context, MoveTemp(OpResult.GetValue()))));
}
else
{
return MakeError(OpResult.GetError());
}
}
else
{
FFormatOrderedArguments Args;
Args.Add(FText::FromString(Token.Context.GetString()));
return MakeError(FText::Format(LOCTEXT("SyntaxError_NoUnaryOperand", "No operand for unary operator {0}"), Args));
}
break;
}
}
if (OperandStack.Num() == 1)
{
return MakeValue(GetToken(OperandStack[0]).Node.Copy());
}
return MakeError(LOCTEXT("SyntaxError_InvalidExpression", "Could not evaluate expression"));
}
