public static CodegenExpression CodegenPluginDTM(
DateTimeMethodMode mode,
Type returnedClass,
Type firstParameterClass,
CodegenExpression firstParameterExpression,
IList <ExprNode> paramExpressions,
CodegenMethodScope parent,
ExprForgeCodegenSymbol symbols,
CodegenClassScope classScope)
{
var staticMethod = (DateTimeMethodModeStaticMethod)mode;
var method = parent.MakeChild(returnedClass, typeof(DTMPluginValueChangeForge), classScope).AddParam(firstParameterClass, "dt");
var @params = new CodegenExpression[paramExpressions.Count + 1];
@params[0] = Ref("dt");
for (var i = 0; i < paramExpressions.Count; i++)
{
var forge = paramExpressions[i].Forge;
@params[i + 1] = forge.EvaluateCodegen(forge.EvaluationType, method, symbols, classScope);
}
var callStatic = StaticMethod(staticMethod.Clazz, staticMethod.MethodName, @params);
if (returnedClass == typeof(void))
{
method.Block.Expression(callStatic);
}
else
{
method.Block.MethodReturn(callStatic);
}
return(LocalMethod(method, firstParameterExpression));
}
public static void ValidateDTMStaticMethodAllowNull(
Type inputType,
DateTimeMethodMode mode,
Type firstParameter,
IList <ExprNode> paramExpressions)
{
if (mode == null)
{
if (inputType == firstParameter)
{
throw new ExprValidationException("Plugin datetime method does not provide a forge for input type " + inputType.CleanName());
}
return;
}
if (!(mode is DateTimeMethodModeStaticMethod))
{
throw new ExprValidationException("Unexpected plug-in datetime method mode implementation " + mode.GetType());
}
var staticMethod = (DateTimeMethodModeStaticMethod)mode;
var @params = new Type[paramExpressions.Count + 1];
@params[0] = firstParameter;
for (var i = 0; i < paramExpressions.Count; i++)
{
@params[i + 1] = paramExpressions[i].Forge.EvaluationType;
}
try {
MethodResolver.ResolveMethod(
staticMethod.Clazz,
staticMethod.MethodName,
@params,
false,
new bool[@params.Length],
new bool[@params.Length]);
}
catch (MethodResolverNoSuchMethodException ex) {
throw new ExprValidationException("Failed to find static method for date-time method extension: " + ex.Message, ex);
}
}
