///////////////////////////////////////////////////////////////////////
public static IScript Create(
string name,
string group,
string description,
string type,
string text,
string fileName,
int startLine,
int endLine,
bool viaSource,
DateTime timeStamp,
EngineMode engineMode,
ScriptFlags scriptFlags,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
IClientData clientData
)
{
return(PrivateCreate(
Guid.Empty, name, group, description, type, text, fileName,
startLine, endLine, viaSource,
#if XML
XmlBlockType.None, timeStamp, null, null,
#endif
engineMode, scriptFlags, engineFlags, substitutionFlags,
eventFlags, expressionFlags, clientData));
}
///////////////////////////////////////////////////////////////////////
//
// NOTE: For use by InteractiveOps.Commands._break() and
// Engine.CheckBreakpoints() only.
//
internal InteractiveLoopData(
ReturnCode code,
BreakpointType breakpointType,
string breakpointName,
IToken token,
ITraceInfo traceInfo,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
HeaderFlags headerFlags,
IClientData clientData,
ArgumentList arguments
)
: this()
{
this.code = code;
this.breakpointType = breakpointType;
this.breakpointName = breakpointName;
this.token = token;
this.traceInfo = traceInfo;
this.engineFlags = engineFlags;
this.substitutionFlags = substitutionFlags;
this.eventFlags = eventFlags;
this.expressionFlags = expressionFlags;
this.headerFlags = headerFlags;
this.clientData = clientData;
this.arguments = arguments;
}
internal AsynchronousContext(
int threadId,
EngineMode engineMode,
Interpreter interpreter,
string text,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
AsynchronousCallback callback,
IClientData clientData
)
{
this.threadId = threadId;
this.engineMode = engineMode;
this.interpreter = interpreter;
this.text = text;
this.engineFlags = engineFlags;
this.substitutionFlags = substitutionFlags;
this.eventFlags = eventFlags;
this.expressionFlags = expressionFlags;
this.callback = callback;
this.clientData = clientData;
}
///////////////////////////////////////////////////////////////////////
/* INTERNAL STATIC OK */
internal static IScript CreateForPolicy(
string name,
string type,
string text,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags
)
{
return(Create(
name, null, null, type, text, TimeOps.GetUtcNow(),
EngineMode.EvaluateScript, ScriptFlags.None,
engineFlags, substitutionFlags, eventFlags,
expressionFlags, null));
}
///////////////////////////////////////////////////////////////////////////////////////////////
#region Protected Constructors
//
// NOTE: Sets up default values for the properties we use. The MSBuild
// documentation is not entirely clear about whether or not having
// constructors is allowed; however, it does not appear to forbid
// them.
//
protected Script()
{
//
// NOTE: Get the effective interpreter creation flags from the
// environment, etc.
//
createFlags = Interpreter.GetStartupCreateFlags(null,
DefaultCreateFlags, OptionOriginFlags.Standard, true, true);
//
// NOTE: By default, we do not want any special evaluation flags.
//
engineFlags = EngineFlags.None;
//
// NOTE: By default, we want all the substitution flags.
//
substitutionFlags = SubstitutionFlags.Default;
//
// NOTE: By default, we want to handle events targeted at the
// engine.
//
eventFlags = EventFlags.Default;
//
// NOTE: By default, we want all the expression flags.
//
expressionFlags = ExpressionFlags.Default;
//
// NOTE: By default, we do not want to allow "exceptional" (non-Ok)
// success return codes.
//
exceptions = false;
//
// NOTE: By default, we want to show the exception stack trace.
//
showStackTrace = true;
}
///////////////////////////////////////////////////////////////////////
private static IScript PrivateCreate(
Guid id,
string name,
string group,
string description,
string type,
string text,
string fileName,
int startLine,
int endLine,
bool viaSource,
#if XML
XmlBlockType blockType,
DateTime timeStamp,
string publicKeyToken,
byte[] signature,
#endif
EngineMode engineMode,
ScriptFlags scriptFlags,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
IClientData clientData
)
{
return(new Script(
id, name, group, description, type, text, fileName,
startLine, endLine, viaSource,
#if XML
blockType, timeStamp, publicKeyToken, signature,
#endif
#if CAS_POLICY
DefaultEvidence,
DefaultHashValue,
DefaultHashAlgorithm,
#endif
engineMode, scriptFlags, engineFlags, substitutionFlags,
eventFlags, expressionFlags, clientData));
}
///////////////////////////////////////////////////////////////////
private static SubstitutionFlags GetSubstitutionFlags(
NameValueCollection appSettings,
SubstitutionFlags @default
)
{
try
{
string value = Utility.GetEnvironmentVariable(
SubstitutionFlags, true, true);
if (String.IsNullOrEmpty(value) && (appSettings != null))
{
value = appSettings[SubstitutionFlags];
}
//
// NOTE: Were we able to get the value from somewhere?
//
if (!String.IsNullOrEmpty(value))
{
Result error = null;
object enumValue = Utility.TryParseFlagsEnum(
null, typeof(SubstitutionFlags),
@default.ToString(), value, null, true,
true, true, ref error);
if (enumValue is SubstitutionFlags)
{
return((SubstitutionFlags)enumValue);
}
}
}
catch
{
// do nothing.
}
return(@default);
}
///////////////////////////////////////////////////////////////////////
public static IScript Create(
string name,
string group,
string description,
string type,
string text,
DateTime timeStamp,
EngineMode engineMode,
ScriptFlags scriptFlags,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
IClientData clientData
)
{
return(Create(
name, group, description, type, text, null, Parser.UnknownLine,
Parser.UnknownLine, false, timeStamp, engineMode, scriptFlags,
engineFlags, substitutionFlags, eventFlags, expressionFlags,
clientData));
}
private InteractiveLoopData(
bool debug,
IEnumerable <string> args,
ReturnCode code,
BreakpointType breakpointType,
string breakpointName,
IToken token,
ITraceInfo traceInfo,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
HeaderFlags headerFlags,
IClientData clientData,
ArgumentList arguments,
bool exit
)
{
this.kind = IdentifierKind.InteractiveLoopData;
this.id = AttributeOps.GetObjectId(this);
this.debug = debug;
this.args = args;
this.code = code;
this.breakpointType = breakpointType;
this.breakpointName = breakpointName;
this.token = token;
this.traceInfo = traceInfo;
this.engineFlags = engineFlags;
this.substitutionFlags = substitutionFlags;
this.eventFlags = eventFlags;
this.expressionFlags = expressionFlags;
this.headerFlags = headerFlags;
this.clientData = clientData;
this.arguments = arguments;
this.exit = exit;
}
///////////////////////////////////////////////////////////////////////
#region Private Constructors
private Script(
Guid id,
string name,
string group,
string description,
string type,
string text,
string fileName,
int startLine,
int endLine,
bool viaSource,
#if XML
XmlBlockType blockType,
DateTime timeStamp,
string publicKeyToken,
byte[] signature,
#endif
#if CAS_POLICY
Evidence evidence,
byte[] hashValue,
HashAlgorithm hashAlgorithm,
#endif
EngineMode engineMode,
ScriptFlags scriptFlags,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
IClientData clientData
)
{
this.kind = IdentifierKind.Script;
this.id = id;
this.name = name;
this.group = group;
this.description = description;
this.type = type;
this.parts = null; /* TODO: If we ever support scripts with multiple
* parts, change this to be a formal argument
* to this constructor and remove text? */
this.text = text;
this.fileName = fileName;
this.startLine = startLine;
this.endLine = endLine;
this.viaSource = viaSource;
#if XML
this.blockType = blockType;
this.timeStamp = timeStamp;
this.publicKeyToken = publicKeyToken;
this.signature = signature;
#endif
#if CAS_POLICY
this.evidence = evidence;
this.hashValue = hashValue;
this.hashAlgorithm = hashAlgorithm;
#endif
this.engineMode = engineMode;
this.scriptFlags = scriptFlags;
this.engineFlags = engineFlags;
this.substitutionFlags = substitutionFlags;
this.expressionFlags = expressionFlags;
this.eventFlags = eventFlags;
this.clientData = clientData;
}
///////////////////////////////////////////////////////////////////////
#if XML
/* INTERNAL STATIC OK */
internal static IScript CreateFromXmlNode( /* NOTE: Engine use only. */
string type,
XmlNode node,
EngineMode engineMode,
ScriptFlags scriptFlags,
EngineFlags engineFlags,
SubstitutionFlags substitutionFlags,
EventFlags eventFlags,
ExpressionFlags expressionFlags,
IClientData clientData,
ref Result error
)
{
try
{
XmlElement element = node as XmlElement;
if (element != null)
{
foreach (string attribute in _XmlAttribute.RequiredList)
{
if ((attribute != null) && !element.HasAttribute(attribute))
{
error = String.Format(
"missing required attribute \"{0}\"",
attribute);
return(null);
}
}
/* REQUIRED */
Guid id = element.HasAttribute(_XmlAttribute.Id) ?
new Guid(element.GetAttribute(_XmlAttribute.Id)) : Guid.Empty;
/* REQUIRED */
XmlBlockType blockType = element.HasAttribute(_XmlAttribute.Type) ?
(XmlBlockType)Enum.Parse(typeof(XmlBlockType),
element.GetAttribute(_XmlAttribute.Type), true) :
XmlBlockType.None;
/* REQUIRED */
string text = element.InnerText;
/* OPTIONAL */
string name = element.HasAttribute(_XmlAttribute.Name) ?
element.GetAttribute(_XmlAttribute.Name) : null;
/* OPTIONAL */
string group = element.HasAttribute(_XmlAttribute.Group) ?
element.GetAttribute(_XmlAttribute.Group) : null;
/* OPTIONAL */
string description = element.HasAttribute(_XmlAttribute.Description) ?
element.GetAttribute(_XmlAttribute.Description) : null;
/* OPTIONAL */
DateTime timeStamp = element.HasAttribute(_XmlAttribute.TimeStamp) ?
DateTime.Parse(element.GetAttribute(_XmlAttribute.TimeStamp)).ToUniversalTime() :
DateTime.MinValue;
/* OPTIONAL */
string publicKeyToken = element.HasAttribute(_XmlAttribute.PublicKeyToken) ?
element.GetAttribute(_XmlAttribute.PublicKeyToken) : null;
/* OPTIONAL */
byte[] signature = element.HasAttribute(_XmlAttribute.Signature) ?
Convert.FromBase64String(
element.GetAttribute(_XmlAttribute.Signature)) : null;
//
// NOTE: Create the script using the values extracted from the XML element.
//
return(PrivateCreate(
id, name, group, description, type, text, null, Parser.UnknownLine,
Parser.UnknownLine, false, blockType, timeStamp, publicKeyToken,
signature, engineMode, scriptFlags, engineFlags, substitutionFlags,
eventFlags, expressionFlags, clientData));
}
else
{
error = "xml node is not an element";
}
}
catch (Exception e)
{
error = e;
}
return(null);
}
///////////////////////////////////////////////////////////////////////
#region IExecute Members
public override ReturnCode Execute(
Interpreter interpreter,
IClientData clientData,
ArgumentList arguments,
ref Result result
)
{
ReturnCode code = ReturnCode.Ok;
if (interpreter != null)
{
if (arguments != null)
{
if (arguments.Count >= 2)
{
string subCommand = arguments[1];
bool tried = false;
code = ScriptOps.TryExecuteSubCommandFromEnsemble(
interpreter, this, clientData, arguments, true,
false, ref subCommand, ref tried, ref result);
if ((code == ReturnCode.Ok) && !tried)
{
if (code == ReturnCode.Ok)
{
switch (subCommand)
{
case "command":
{
if (arguments.Count >= 3)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(typeof(EngineFlags), OptionFlags.MustHaveEnumValue | OptionFlags.Unsafe,
Index.Invalid, Index.Invalid, "-engineflags", new Variant(interpreter.EngineFlags)),
new Option(typeof(SubstitutionFlags), OptionFlags.MustHaveEnumValue, Index.Invalid, Index.Invalid, "-substitutionflags",
new Variant(interpreter.SubstitutionFlags)),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-startindex", null),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-characters", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-nested", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-noready", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(
options, arguments, 0, 2, Index.Invalid, true, ref argumentIndex,
ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) &&
((argumentIndex + 1) == arguments.Count))
{
Variant value = null;
EngineFlags engineFlags = interpreter.EngineFlags;
if (options.IsPresent("-engineflags", ref value))
{
engineFlags = (EngineFlags)value.Value;
}
SubstitutionFlags substitutionFlags = interpreter.SubstitutionFlags;
if (options.IsPresent("-substitutionflags", ref value))
{
substitutionFlags = (SubstitutionFlags)value.Value;
}
int startIndex = 0;
if (options.IsPresent("-startindex", ref value))
{
startIndex = (int)value.Value;
}
int characters = arguments[argumentIndex].Length;
if (options.IsPresent("-characters", ref value))
{
characters = (int)value.Value;
}
bool nested = false;
if (options.IsPresent("-nested", ref value))
{
nested = (bool)value.Value;
}
bool noReady = false;
if (options.IsPresent("-noready", ref value))
{
noReady = (bool)value.Value;
}
IParseState state = new ParseState(
engineFlags, substitutionFlags);
code = Parser.ParseCommand(
interpreter, arguments[argumentIndex],
startIndex, characters, nested, state,
noReady, ref result);
if (code == ReturnCode.Ok)
{
//
// NOTE: Success, return the entire
// state as a string.
//
result = state.ToString();
}
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"parse command ?options? text\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"parse command ?options? text\"";
code = ReturnCode.Error;
}
break;
}
case "expression":
{
if (arguments.Count >= 3)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(typeof(EngineFlags), OptionFlags.MustHaveEnumValue | OptionFlags.Unsafe,
Index.Invalid, Index.Invalid, "-engineflags", new Variant(interpreter.EngineFlags)),
new Option(typeof(SubstitutionFlags), OptionFlags.MustHaveEnumValue, Index.Invalid, Index.Invalid, "-substitutionflags",
new Variant(interpreter.SubstitutionFlags)),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-startindex", null),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-characters", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-noready", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(
options, arguments, 0, 2, Index.Invalid, true, ref argumentIndex,
ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) &&
((argumentIndex + 1) == arguments.Count))
{
Variant value = null;
EngineFlags engineFlags = interpreter.EngineFlags;
if (options.IsPresent("-engineflags", ref value))
{
engineFlags = (EngineFlags)value.Value;
}
SubstitutionFlags substitutionFlags = interpreter.SubstitutionFlags;
if (options.IsPresent("-substitutionflags", ref value))
{
substitutionFlags = (SubstitutionFlags)value.Value;
}
int startIndex = 0;
if (options.IsPresent("-startindex", ref value))
{
startIndex = (int)value.Value;
}
int characters = arguments[argumentIndex].Length;
if (options.IsPresent("-characters", ref value))
{
characters = (int)value.Value;
}
bool noReady = false;
if (options.IsPresent("-noready", ref value))
{
noReady = (bool)value.Value;
}
IParseState state = new ParseState(
engineFlags, substitutionFlags);
code = ExpressionParser.ParseExpression(
interpreter, arguments[argumentIndex],
startIndex, characters, state, noReady,
ref result);
if (code == ReturnCode.Ok)
{
//
// NOTE: Success, return the entire
// state as a string.
//
result = state.ToString();
}
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"parse expression ?options? text\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"parse expression ?options? text\"";
code = ReturnCode.Error;
}
break;
}
case "options":
{
if (arguments.Count >= 4)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(typeof(OptionBehaviorFlags), OptionFlags.MustHaveEnumValue, Index.Invalid, Index.Invalid, "-flags",
new Variant(OptionBehaviorFlags.Default)),
new Option(null, OptionFlags.MustHaveValue, Index.Invalid, Index.Invalid, "-optionsvar", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-indexes", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-allowinteger", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-strict", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-verbose", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-nocase", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-novalue", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-noset", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-noready", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-simple", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(
options, arguments, 0, 2, Index.Invalid, true, ref argumentIndex,
ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) &&
((argumentIndex + 2) == arguments.Count))
{
Variant value = null;
string optionsVarName = Vars.OptionSet.Options;
if (options.IsPresent("-optionsvar", ref value))
{
optionsVarName = value.ToString();
}
OptionBehaviorFlags flags = OptionBehaviorFlags.Default;
if (options.IsPresent("-flags", ref value))
{
flags = (OptionBehaviorFlags)value.Value;
}
bool indexes = false;
if (options.IsPresent("-indexes"))
{
indexes = true;
}
bool allowInteger = false;
if (options.IsPresent("-allowinteger"))
{
allowInteger = true;
}
bool strict = false;
if (options.IsPresent("-strict"))
{
strict = true;
}
bool verbose = false;
if (options.IsPresent("-verbose"))
{
verbose = true;
}
bool noCase = false;
if (options.IsPresent("-nocase"))
{
noCase = true;
}
bool noValue = false;
if (options.IsPresent("-novalue"))
{
noValue = true;
}
bool noSet = false;
if (options.IsPresent("-noset"))
{
noSet = true;
}
bool noReady = false;
if (options.IsPresent("-noready"))
{
noReady = true;
}
bool simple = false;
if (options.IsPresent("-simple"))
{
simple = true;
}
OptionDictionary newOptions = null;
AppDomain appDomain = interpreter.GetAppDomain();
CultureInfo cultureInfo = interpreter.CultureInfo;
if (simple)
{
newOptions = OptionDictionary.FromString(
interpreter, arguments[argumentIndex],
appDomain, Value.GetTypeValueFlags(
allowInteger, strict, verbose, noCase),
cultureInfo, ref result);
}
else
{
newOptions = OptionDictionary.FromString(
interpreter, arguments[argumentIndex],
appDomain, allowInteger, strict, verbose,
noCase, cultureInfo, ref result);
}
if (newOptions != null)
{
StringList list = StringList.FromString(
arguments[argumentIndex + 1], ref result);
if (list != null)
{
ArgumentList newArguments = new ArgumentList(list);
int nextIndex = Index.Invalid;
int endIndex = Index.Invalid;
code = interpreter.GetOptions(
newOptions, newArguments, 0, 0, Index.Invalid, flags,
noCase, noValue, noSet, ref nextIndex, ref endIndex,
ref result);
if (code == ReturnCode.Ok)
{
VariableFlags variableFlags = VariableFlags.None;
if (noReady)
{
variableFlags |= VariableFlags.NoReady;
}
if (indexes)
{
code = interpreter.SetVariableValue2(
variableFlags, optionsVarName,
Vars.OptionSet.NextIndex, nextIndex.ToString(),
null, ref result);
if (code == ReturnCode.Ok)
{
code = interpreter.SetVariableValue2(
variableFlags, optionsVarName,
Vars.OptionSet.EndIndex, endIndex.ToString(),
null, ref result);
}
}
if (code == ReturnCode.Ok)
{
foreach (KeyValuePair <string, IOption> pair in newOptions)
{
IOption option = pair.Value;
if (option == null)
{
continue;
}
if (option.IsIgnored(newOptions))
{
continue;
}
/* REUSED */
value = null;
bool present = option.IsPresent(newOptions, ref value);
if (present &&
!option.CanBePresent(newOptions, ref result))
{
code = ReturnCode.Error;
break;
}
code = interpreter.SetVariableValue2(
variableFlags, optionsVarName, pair.Key,
present.ToString(), null, ref result);
if (code != ReturnCode.Ok)
{
break;
}
if (option.MustHaveValue(newOptions))
{
//
// NOTE: If the option was not actually present,
// grab and use the default value instead.
//
if (!present)
{
value = option.Value;
}
//
// NOTE: Only set the value if the option was
// actually present OR there is a bonafide
// default value.
//
if (present || (value != null))
{
string index = pair.Key +
Characters.Comma + Vars.OptionSet.Value;
code = interpreter.SetVariableValue2(
variableFlags, optionsVarName, index,
(value != null) ? value.ToString() : null,
null, ref result);
if (code != ReturnCode.Ok)
{
break;
}
}
}
}
if (code == ReturnCode.Ok)
{
result = String.Empty;
}
}
}
}
else
{
code = ReturnCode.Error;
}
}
else
{
code = ReturnCode.Error;
}
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"parse options ?options? optionList argumentList\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"parse options ?options? options optionList argumentList\"";
code = ReturnCode.Error;
}
break;
}
case "script":
{
if (arguments.Count >= 3)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(typeof(EngineFlags), OptionFlags.MustHaveEnumValue | OptionFlags.Unsafe,
Index.Invalid, Index.Invalid, "-engineflags", new Variant(interpreter.EngineFlags)),
new Option(typeof(SubstitutionFlags), OptionFlags.MustHaveEnumValue, Index.Invalid, Index.Invalid, "-substitutionflags",
new Variant(interpreter.SubstitutionFlags)),
new Option(null, OptionFlags.MustHaveValue, Index.Invalid, Index.Invalid, "-filename", null),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-currentline", null),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-startindex", null),
new Option(null, OptionFlags.MustHaveIntegerValue, Index.Invalid, Index.Invalid, "-characters", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-nested", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-syntax", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-strict", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-roundtrip", null),
new Option(null, OptionFlags.MustHaveBooleanValue, Index.Invalid, Index.Invalid, "-noready", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(
options, arguments, 0, 2, Index.Invalid, true, ref argumentIndex,
ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) &&
((argumentIndex + 1) == arguments.Count))
{
Variant value = null;
EngineFlags engineFlags = interpreter.EngineFlags;
if (options.IsPresent("-engineflags", ref value))
{
engineFlags = (EngineFlags)value.Value;
}
SubstitutionFlags substitutionFlags = interpreter.SubstitutionFlags;
if (options.IsPresent("-substitutionflags", ref value))
{
substitutionFlags = (SubstitutionFlags)value.Value;
}
string fileName = null;
if (options.IsPresent("-filename", ref value))
{
fileName = value.ToString();
}
int currentLine = Parser.StartLine;
if (options.IsPresent("-currentline", ref value))
{
currentLine = (int)value.Value;
}
int startIndex = 0;
if (options.IsPresent("-startindex", ref value))
{
startIndex = (int)value.Value;
}
int characters = arguments[argumentIndex].Length;
if (options.IsPresent("-characters", ref value))
{
characters = (int)value.Value;
}
bool nested = false;
if (options.IsPresent("-nested", ref value))
{
nested = (bool)value.Value;
}
bool syntax = false;
if (options.IsPresent("-syntax", ref value))
{
syntax = (bool)value.Value;
}
bool strict = false;
if (options.IsPresent("-strict", ref value))
{
strict = (bool)value.Value;
}
bool roundTrip = false;
if (options.IsPresent("-roundtrip", ref value))
{
roundTrip = (bool)value.Value;
}
bool noReady = false;
if (options.IsPresent("-noready", ref value))
{
noReady = (bool)value.Value;
}
IParseState state = new ParseState(
engineFlags, substitutionFlags);
TokenList tokens = null;
code = Parser.ParseScript(
interpreter, fileName, currentLine,
arguments[argumentIndex], startIndex,
characters, engineFlags, substitutionFlags,
nested, noReady, syntax, strict, ref state,
ref tokens, ref result);
if (code == ReturnCode.Ok)
{
if (roundTrip)
{
//
// NOTE: Return only the tokens that
// are absolutely necessary to
// rebuild the script text.
//
TokenList newTokens = new TokenList();
for (int index = 0; index < tokens.Count; index++)
{
IToken token = tokens[index];
if (token.Type == TokenType.Variable)
{
index += token.Components;
}
else if ((token.Type != TokenType.Separator) &&
(token.Components != 0))
{
continue;
}
newTokens.Add(token);
}
result = newTokens.ToString();
}
else
{
//
// NOTE: Replace final token list
// with the one we have been
// building.
//
state.Tokens = tokens;
//
// NOTE: Success, return the entire
// state as a string.
//
result = state.ToString();
}
}
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"parse script ?options? text\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"parse script ?options? text\"";
code = ReturnCode.Error;
}
break;
}
default:
{
result = ScriptOps.BadSubCommand(
interpreter, null, null, subCommand, this, null, null);
code = ReturnCode.Error;
break;
}
}
}
}
}
else
{
result = "wrong # args: should be \"parse type ?arg ...?\"";
code = ReturnCode.Error;
}
}
else
{
result = "invalid argument list";
code = ReturnCode.Error;
}
}
else
{
result = "invalid interpreter";
code = ReturnCode.Error;
}
return(code);
}
public override ReturnCode Execute(
Interpreter interpreter,
IClientData clientData,
ArgumentList arguments,
ref Result result
)
{
ReturnCode code;
if (interpreter != null)
{
if (arguments != null)
{
if (arguments.Count >= 2)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-nobackslashes", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-nocommands", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-novariables", null) /*,
* new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null) */
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(options, arguments, 0, 1, Index.Invalid, false, ref argumentIndex, ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) && ((argumentIndex + 1) == arguments.Count))
{
SubstitutionFlags substitutionFlags = SubstitutionFlags.Default;
if (options.IsPresent("-nobackslashes"))
{
substitutionFlags &= ~SubstitutionFlags.Backslashes;
}
if (options.IsPresent("-nocommands"))
{
substitutionFlags &= ~SubstitutionFlags.Commands;
}
if (options.IsPresent("-novariables"))
{
substitutionFlags &= ~SubstitutionFlags.Variables;
}
string name = StringList.MakeList("subst");
ICallFrame frame = interpreter.NewTrackingCallFrame(name,
CallFrameFlags.Substitute);
interpreter.PushAutomaticCallFrame(frame);
code = interpreter.SubstituteString(
arguments[argumentIndex], substitutionFlags, ref result);
if (code == ReturnCode.Error)
{
Engine.AddErrorInformation(interpreter, result,
String.Format("{0} (\"subst\" body line {1})",
Environment.NewLine, Interpreter.GetErrorLine(interpreter)));
}
//
// NOTE: Pop the original call frame that we pushed above and
// any intervening scope call frames that may be leftover
// (i.e. they were not explicitly closed).
//
/* IGNORED */
interpreter.PopScopeCallFramesAndOneMore();
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"subst ?-nobackslashes? ?-nocommands? ?-novariables? string\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"subst ?-nobackslashes? ?-nocommands? ?-novariables? string\"";
code = ReturnCode.Error;
}
}
else
{
result = "invalid argument list";
code = ReturnCode.Error;
}
}
else
{
result = "invalid interpreter";
code = ReturnCode.Error;
}
return(code);
}
