public IParameterEvaluator GetFor(ParameterSpec spec, PatternDialect dialect, TextManager manager)
{
if (spec.ParameterName.StartsWith("@"))
{
return(new PatternLookupEvaluator
{
Manager = manager,
PatternKey = spec.ParameterName.Substring(1),
Parameters = spec.Arguments != null?spec.Arguments.Split(',')
.Select(x =>
{
var parts = x.Trim().Split(':');
if (parts.Length > 1)
{
return new KeyValuePair <string, IValueFormatter>(parts[0], dialect.GetValueFormatter(parts[1], manager));
}
else
{
return new KeyValuePair <string, IValueFormatter>(parts[0], null);
}
}).ToArray() : new KeyValuePair <string, IValueFormatter> [0]
});
}
return(null);
}
public override void Visit(ParameterSpec spec, object state)
{
spec.Evaluator = _dialect.GetParameterEvaluator(spec, _manager);
spec.Formatter = _dialect.GetValueFormatter(spec.ParameterFormat, _manager);
base.Visit(spec, null);
}
private FeatureSpec HandleFeatures()
{
if (!ThisToken().Match(TokenTypes.Features))
{
return(new NoneFeature
{
BeginPosition = ThisToken().TokenBeginIdx,
EndPosition = ThisToken().TokenBeginIdx
});
}
Consume();
FeatureSpec spec = null;
TryParseAndResumeToToken(() =>
{
if (ThisToken().Match(TokenTypes.None))
{
spec = new NoneFeature
{
BeginPosition = ThisToken().TokenBeginIdx,
};
Consume();
return;
}
// IOType 可能有两个 Token，所以要考虑这两种情况
if (LookAhead(3).Match(TokenTypes.Parameter) || LookAhead(4).Match(TokenTypes.Parameter))
{
var parameterSpec = new ParameterSpec
{
BeginPosition = ThisToken().TokenBeginIdx,
};
spec = parameterSpec;
HandleParameterSpec(parameterSpec);
}
else
{
var portSpec = new PortSpec
{
BeginPosition = ThisToken().TokenBeginIdx,
};
spec = portSpec;
HandlePortSpec(portSpec);
}
}, TokenTypes.Semicolon);
var token = ConsumeType(TokenTypes.Semicolon);
if (spec != null)
{
spec.EndPosition = token.TokenEndIdx;
}
return(spec);
}
public virtual IParameterEvaluator GetParameterEvaluator(ParameterSpec spec, TextManager manager)
{
IParameterEvaluator evaluator = null;
if (!ParameterEvaluators.Any(x => (evaluator = x.GetFor(spec, this, manager)) != null))
{
throw new LocalizedKeyNotFoundException("Exceptions.ParameterEvaluatorNotFound", "No parameter evaluator found for {0}", new { Text = spec });
}
return evaluator;
}
public IParameterEvaluator GetFor(ParameterSpec spec, PatternDialect dialect, TextManager manager)
{
var parts = spec.ParameterName.Split('.');
if (parts.Length > 1)
{
return new ReflectionParameterEvaluator(parts[0], parts.Skip(1).ToArray());
}
return null;
}
public virtual IParameterEvaluator GetParameterEvaluator(ParameterSpec spec, TextManager manager)
{
IParameterEvaluator evaluator = null;
if (!ParameterEvaluators.Any(x => (evaluator = x.GetFor(spec, this, manager)) != null))
{
throw new LocalizedKeyNotFoundException("Exceptions.ParameterEvaluatorNotFound", "No parameter evaluator found for {0}", new { Text = spec });
}
return(evaluator);
}
public override void Visit(ParameterSpec spec, JavaScriptExpressionCheckerState state)
{
RegisterWriter(spec.Evaluator.GetType(), typeof(IParameterEvaluator), state);
if (spec.Formatter != null)
{
RegisterWriter(spec.Formatter.GetType(), typeof(IValueFormatter), state);
}
base.Visit(spec, state);
}
public IParameterEvaluator GetFor(ParameterSpec spec, PatternDialect dialect, TextManager manager)
{
var parts = spec.ParameterName.Split('.');
if (parts.Length > 1)
{
return(new ReflectionParameterEvaluator(parts[0], parts.Skip(1).ToArray()));
}
return(null);
}
public override INode DoResolve(ResolveContext rc)
{
var ps = rc.Resolver.ResolveParameter(Name);
if (ps != null)
{
ResolveContext.Report.Error(105, Location, "duplicate parameter definition '" + Name + "'");
}
ParameterName = new ParameterSpec(Name, rc.CurrentMethod, Location, 4, IsVariable);
rc.KnowVar(ParameterName);
return(base.DoResolve(rc));
}
protected bool CheckParameters(IList <IParameter> parameters, ResolveContext rc)
{
bool error = false;
for (int i = 0; i < parameters.Count; ++i)
{
ParameterSpec p = parameters[i] as ParameterSpec;
if (p.IsOptional && ((ResolvedEntity as IMember).IsExplicitInterfaceImplementation || this is OperatorDeclaration || (this is IndexerDeclaration && parameters.Count == 1)))
{
rc.Report.Warning(1066, 1, Location,
"The default value specified for optional parameter `{0}' will never be used",
Name);
}
if (this.ResolvedEntity.IsAccessibleAs(p.Type))
{
continue;
}
IType t = p.Type;
if (this is IndexerDeclaration)
{
rc.Report.Error(55, Location,
"Inconsistent accessibility: parameter type `{0}' is less accessible than indexer `{1}'",
t.ToString(), GetSignatureForError());
}
else if (this is OperatorDeclaration)
{
rc.Report.Error(57, Location,
"Inconsistent accessibility: parameter type `{0}' is less accessible than operator `{1}'",
t.ToString(), GetSignatureForError());
}
else
{
rc.Report.Error(51, Location,
"Inconsistent accessibility: parameter type `{0}' is less accessible than method `{1}'",
t.ToString(), GetSignatureForError());
}
error = true;
}
return(!error);
}
private void HandleParameterSpec(ParameterSpec spec)
{
TryParseAndResumeToToken(() =>
{
// identifier
spec.Identifier = ConsumeType(TokenTypes.Identifier);
}, TokenTypes.SingleColon);
TryParseAndResumeToToken(() =>
{
ConsumeType(TokenTypes.SingleColon);
spec.IoType = HandleIoType(spec);
}, TokenTypes.Parameter);
ConsumeType(TokenTypes.Parameter);
spec.Reference = TryHandleReferenceOrNone();
spec.Associations = TryHandleAssociationBlock();
}
public override void Visit(ParameterSpec spec, JavaScriptExpressionWriterState state)
{
var evaulator = Writers[spec.Evaluator.GetType()];
Output.Write("(function(){var v=");
evaulator.WriteEvaluator(spec.Evaluator, this, null);
Output.Write(";return af(v,"); //Apply format
if (spec.Formatter != null)
{
var formatter = Writers[spec.Formatter.GetType()];
formatter.WriteEvaluator(spec.Formatter, this, () => {
Output.Write("val(");
evaulator.WriteEvaluator(spec.Evaluator, this, null);
Output.Write(")");
});
}
else
{
Output.Write(Json.Serialize("") + "+val(v)");
}
Output.Write(",true);})()");
}
public IParameterEvaluator GetFor(ParameterSpec spec, PatternDialect dialect, TextManager manager)
{
if( spec.ParameterName.StartsWith("@") )
{
return new PatternLookupEvaluator
{
Manager = manager,
PatternKey = spec.ParameterName.Substring(1),
Parameters = spec.Arguments != null ? spec.Arguments.Split(',')
.Select(x =>
{
var parts = x.Trim().Split(':');
if (parts.Length > 1)
{
return new KeyValuePair<string, IValueFormatter>(parts[0], dialect.GetValueFormatter(parts[1], manager));
}
else
{
return new KeyValuePair<string, IValueFormatter>(parts[0], null);
}
}).ToArray() : new KeyValuePair<string, IValueFormatter>[0]
};
}
return null;
}
public IParameterEvaluator GetFor(ParameterSpec spec, PatternDialect pattern, TextManager manager)
{
return(_factory(spec, pattern, manager));
}
public IParameterEvaluator GetFor(ParameterSpec spec, PatternDialect pattern, TextManager manager)
{
return _factory(spec, pattern, manager);
}
public void Visit(ParameterSpec spec, object state)
{
Print("PSpec = " + spec.ParameterName + " : " + spec.ParameterFormat);
}
public override void Visit(ParameterSpec spec, State state)
{
state.Writer.Write(GetParameterValue(spec.Evaluator.GetValue(state.Context), spec.Formatter, state));
base.Visit(spec, state);
}
public IParameterEvaluator GetFor(ParameterSpec spelling, PatternDialect dialect, TextManager manager)
{
return(new SimpleParameterEvaluator(spelling.ParameterName));
}
ParameterSpec ParseParameterSpec()
{
//PRE: !EOF && _current == '{'
var spec = new ParameterSpec();
MoveNext(); //Take '{'
var lparen = LookAheadFor(StartersParameterNameArgs);
if (lparen == '(')
{
spec.ParameterName = ReadText("(");
MoveNext(); //Take '('
spec.Arguments = ReadText(StoppersParameterNameArgs);
MoveNext(); //Take ')'
}
else
{
spec.ParameterName = ReadParameterName();
}
if (_current == ':')
{
MoveNext(); //Take it
spec.ParameterFormat = ReadParameterFormat();
}
else
{
spec.ParameterFormat = "";
}
if (_current != '}') ExpectedToken("ParameterSpec", "}");
MoveNext(); //Take '}';
return spec;
}
public IParameterEvaluator GetFor(ParameterSpec spelling, PatternDialect dialect, TextManager manager)
{
return new SimpleParameterEvaluator(spelling.ParameterName);
}
public virtual void Visit(ParameterSpec spec, T state)
{
}
public override string ToString()
{
return(ParameterSpec.ToString(this));
}
private static bool PropertiesAreEquivalent(PropertyInfo propertyInfo, ParameterSpec x)
{
return(propertyInfo == x.PropertyInfo ||
propertyInfo.GetBaseDefinition() == x.PropertyInfo.GetBaseDefinition());
}
