protected VariableInfo CreateFromSymbolCommon <T>(
Compilation compilation,
ISymbol symbol,
ITypeSymbol type,
VariableStyle style,
HashSet <int> nonNoisySyntaxKindSet) where T : SyntaxNode
{
var local = symbol as ILocalSymbol;
if (local != null)
{
return(new VariableInfo(
new LocalVariableSymbol <T>(compilation, local, type, nonNoisySyntaxKindSet),
style));
}
var parameter = symbol as IParameterSymbol;
if (parameter != null)
{
return(new VariableInfo(new ParameterVariableSymbol(compilation, parameter, type), style));
}
var rangeVariable = symbol as IRangeVariableSymbol;
if (rangeVariable != null)
{
return(new VariableInfo(new QueryVariableSymbol(compilation, rangeVariable, type), style));
}
return(null); //Contract.FailWithReturn<VariableInfo>(FeaturesResources.Unknown);
}
protected override VariableInfo CreateFromSymbol(
Compilation compilation,
ISymbol symbol,
ITypeSymbol type,
VariableStyle style,
bool variableDeclared)
{
return CreateFromSymbolCommon<LocalDeclarationStatementSyntax>(compilation, symbol, type, style, s_nonNoisySyntaxKindSet);
}
public VariableInfo(
VariableSymbol variableSymbol,
VariableStyle variableStyle,
bool useAsReturnValue = false)
{
_variableSymbol = variableSymbol;
_variableStyle = variableStyle;
_useAsReturnValue = useAsReturnValue;
}
protected override VariableInfo CreateFromSymbol(
Compilation compilation,
ISymbol symbol,
ITypeSymbol type,
VariableStyle style,
bool variableDeclared)
{
return(CreateFromSymbolCommon <LocalDeclarationStatementSyntax>(compilation, symbol, type, style, s_nonNoisySyntaxKindSet));
}
public VariableInfo(
VariableSymbol variableSymbol,
VariableStyle variableStyle,
bool useAsReturnValue = false)
{
_variableSymbol = variableSymbol;
_variableStyle = variableStyle;
_useAsReturnValue = useAsReturnValue;
}
protected VariableStyle AlwaysReturn(VariableStyle style)
{
if (style == VariableStyle.InputOnly)
{
return(VariableStyle.Ref);
}
if (style == VariableStyle.MoveIn)
{
return(VariableStyle.Out);
}
if (style == VariableStyle.SplitIn)
{
return(VariableStyle.Out);
}
if (style == VariableStyle.SplitOut)
{
return(VariableStyle.OutWithMoveOut);
}
return(style);
}
/// <summary> /// create VariableInfo type /// </summary> protected abstract VariableInfo CreateFromSymbol(Compilation compilation, ISymbol symbol, ITypeSymbol type, VariableStyle variableStyle, bool variableDeclared);
