internal void Init(IMethodSymbol sym, SyntaxNode node)
{
IsAnonymousOrLambdaMethod = node is SimpleLambdaExpressionSyntax || node is ParenthesizedLambdaExpressionSyntax || node is AnonymousMethodExpressionSyntax;
TryCatchUsingOrLoopSwitchStack.Clear();
TempReturnAnalysisStack.Clear();
ParamNames.Clear();
ReturnParamNames.Clear();
OriginalParamsName = string.Empty;
ExistYield = false;
ExistTopLevelReturn = false;
ExistTry = false;
TryUsingLayer = 0;
ReturnVarName = string.Empty;
SemanticInfo = sym;
SyntaxNode = node;
if (!sym.IsExtensionMethod && sym.IsGenericMethod)
{
//不是扩展方法，泛型参数放在参数表最前面
foreach (var param in sym.TypeParameters)
{
ParamNames.Add(param.Name);
if (param.ConstraintTypes.Length > 0)
{
ParamTypes.Add(ClassInfo.GetFullName(param.ConstraintTypes[0]));
}
else if (param.HasReferenceTypeConstraint)
{
ParamTypes.Add("System.Object");
}
else if (param.HasValueTypeConstraint)
{
ParamTypes.Add("System.ValueType");
}
else
{
ParamTypes.Add("null");
}
ParamTypeKinds.Add("TypeKind." + param.TypeKind.ToString());
ParamRefOrOuts.Add(0);
ParamIsExterns.Add(false);
}
}
bool first = true;
foreach (var param in sym.Parameters)
{
if (param.IsParams)
{
var arrTypeSym = param.Type as IArrayTypeSymbol;
if (null != arrTypeSym)
{
string elementType = ClassInfo.GetFullName(arrTypeSym.ElementType);
string elementTypeKind = "TypeKind." + arrTypeSym.ElementType.TypeKind.ToString();
ParamsElementInfo = string.Format("{0}, {1}", elementType, elementTypeKind);
}
ParamNames.Add("...");
ParamTypes.Add(ClassInfo.GetFullName(param.Type));
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ParamRefOrOuts.Add(0);
ParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
OriginalParamsName = param.Name;
//遇到变参直接结束（变参set_Item会出现后面带一个value参数的情形，在函数实现里处理）
break;
}
else if (param.RefKind == RefKind.Ref)
{
//ref参数与out参数在形参处理时机制相同，实参时out参数传入__cs2dsl_out（适应脚本引擎与dotnet反射的调用规则）
var fn = ClassInfo.GetFullName(param.Type);
ParamNames.Add(param.Name);
ParamTypes.Add(fn);
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ParamRefOrOuts.Add(1);
ParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
ReturnParamNames.Add(param.Name);
ReturnParamTypes.Add(fn);
ReturnParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ReturnParamRefOrOuts.Add(1);
ReturnParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
}
else if (param.RefKind == RefKind.Out)
{
if (param.Type.IsValueType && !SymbolTable.IsBasicType(param.Type) && !CsDslTranslater.IsImplementationOfSys(param.Type, "IEnumerator"))
{
string ns = ClassInfo.GetNamespaces(param.Type);
if (SymbolTable.Instance.IsCs2DslSymbol(param.Type))
{
OutValueParams.Add(ParamNames.Count);
NeedFuncInfo = true;
}
else if (ns != "System")
{
OutExternValueParams.Add(ParamNames.Count);
NeedFuncInfo = true;
}
}
//ref参数与out参数在形参处理时机制相同，实参时out参数传入__cs2dsl_out（适应脚本引擎与dotnet反射的调用规则）
var fn = ClassInfo.GetFullName(param.Type);
ParamNames.Add(param.Name);
ParamTypes.Add(fn);
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ParamRefOrOuts.Add(2);
ParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
ReturnParamNames.Add(param.Name);
ReturnParamTypes.Add(fn);
ReturnParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ReturnParamRefOrOuts.Add(2);
ReturnParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
}
else
{
ParamNames.Add(param.Name);
ParamTypes.Add(ClassInfo.GetFullName(param.Type));
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ParamRefOrOuts.Add(0);
ParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
}
if (first && sym.IsExtensionMethod && sym.IsGenericMethod)
{
//扩展方法的泛型参数放在第一个参数后
foreach (var tp in sym.TypeParameters)
{
ParamNames.Add(tp.Name);
if (tp.ConstraintTypes.Length > 0)
{
ParamTypes.Add(ClassInfo.GetFullName(tp.ConstraintTypes[0]));
}
else if (tp.HasReferenceTypeConstraint)
{
ParamTypes.Add("System.Object");
}
else if (tp.HasValueTypeConstraint)
{
ParamTypes.Add("System.ValueType");
}
else
{
ParamTypes.Add("null");
}
ParamTypeKinds.Add("TypeKind." + tp.TypeKind.ToString());
ParamRefOrOuts.Add(0);
ParamIsExterns.Add(!SymbolTable.Instance.IsCs2DslSymbol(param.Type));
}
}
first = false;
}
if (!sym.ReturnsVoid)
{
string returnType = ClassInfo.GetFullName(sym.ReturnType);
if (returnType.StartsWith("System.Collections") && (sym.ReturnType.Name == "IEnumerable" || sym.ReturnType.Name == "IEnumerator"))
{
var analysis = new YieldAnalysis();
analysis.Visit(node);
ExistYield = analysis.YieldCount > 0;
}
}
ReturnValueCount = ReturnParamNames.Count + (sym.ReturnsVoid ? 0 : 1);
if (!NeedFuncInfo && ClassInfo.HasAttribute(sym, "Cs2Dsl.NeedFuncInfoAttribute"))
{
NeedFuncInfo = true;
}
}
internal void Init(IMethodSymbol sym, SyntaxNode node)
{
TryCatchUsingOrLoopSwitchStack.Clear();
TempReturnAnalysisStack.Clear();
ParamNames.Clear();
ReturnParamNames.Clear();
OutParamNames.Clear();
OriginalParamsName = string.Empty;
ExistYield = false;
ExistTopLevelReturn = false;
ExistTryCatch = false;
TryCatchUsingLayer = 0;
ReturnVarName = string.Empty;
SemanticInfo = sym;
SyntaxNode = node;
if (sym.IsGenericMethod)
{
foreach (var param in sym.TypeParameters)
{
ParamNames.Add(param.Name);
ParamTypes.Add("null");
ParamTypeKinds.Add("TypeKind." + param.TypeKind.ToString());
GenericMethodTypeParamNames.Add(param.Name);
}
}
foreach (var param in sym.Parameters)
{
if (param.IsParams)
{
var arrTypeSym = param.Type as IArrayTypeSymbol;
if (null != arrTypeSym)
{
string elementType = ClassInfo.GetFullName(arrTypeSym.ElementType);
string elementTypeKind = "TypeKind." + arrTypeSym.ElementType.TypeKind.ToString();
ParamsElementInfo = string.Format("{0}, {1}", elementType, elementTypeKind);
}
ParamNames.Add("...");
ParamTypes.Add(ClassInfo.GetFullName(param.Type));
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
OriginalParamsName = param.Name;
//遇到变参直接结束（变参set_Item会出现后面带一个value参数的情形，在函数实现里处理）
break;
}
else if (param.RefKind == RefKind.Ref)
{
//ref参数与out参数在形参处理时机制相同，实参时out参数传入__cs2dsl_out（适应脚本引擎与dotnet反射的调用规则）
ParamNames.Add(string.Format("ref({0})", param.Name));
ParamTypes.Add(ClassInfo.GetFullName(param.Type));
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ReturnParamNames.Add(param.Name);
}
else if (param.RefKind == RefKind.Out)
{
//ref参数与out参数在形参处理时机制相同，实参时out参数传入__cs2dsl_out（适应脚本引擎与dotnet反射的调用规则）
ParamNames.Add(string.Format("out({0})", param.Name));
ParamTypes.Add(ClassInfo.GetFullName(param.Type));
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
ReturnParamNames.Add(param.Name);
OutParamNames.Add(param.Name);
}
else
{
if (param.Type.TypeKind == TypeKind.Struct && !CsDslTranslater.IsImplementationOfSys(param.Type, "IEnumerator"))
{
string ns = ClassInfo.GetNamespaces(param.Type);
if (SymbolTable.Instance.IsCs2DslSymbol(param.Type))
{
ValueParams.Add(ParamNames.Count);
}
else if (ns != "System")
{
ExternValueParams.Add(ParamNames.Count);
}
}
ParamNames.Add(param.Name);
ParamTypes.Add(ClassInfo.GetFullName(param.Type));
ParamTypeKinds.Add("TypeKind." + param.Type.TypeKind.ToString());
}
}
if (!sym.ReturnsVoid)
{
var returnType = ClassInfo.GetFullName(sym.ReturnType);
if (returnType.StartsWith("System.Collections") && (sym.ReturnType.Name == "IEnumerable" || sym.ReturnType.Name == "IEnumerator"))
{
var analysis = new YieldAnalysis();
analysis.Visit(node);
ExistYield = analysis.YieldCount > 0;
}
}
}
