private void compileCustom(Context ctx)
{
var gen = ctx.CurrentILGenerator;
var exprType = Expression.GetExpressionType(ctx);
var idxType = Index.GetExpressionType(ctx);
try
{
var pty = ctx.ResolveIndexer(exprType, idxType, false);
var idxDest = pty.ArgumentTypes[0];
var valDest = pty.ArgumentTypes[1];
Expression.Compile(ctx, true);
Expr.Cast(Index, idxDest).Compile(ctx, true);
Expr.Cast(Value, valDest).Compile(ctx, true);
gen.EmitCall(pty.MethodInfo);
}
catch (LensCompilerException ex)
{
ex.BindToLocation(this);
throw;
}
}
protected override Type resolveExpressionType(Context ctx, bool mustReturn = true)
{
var exprType = Expression.GetExpressionType(ctx);
if (exprType.IsArray)
return exprType.GetElementType();
var idxType = Index.GetExpressionType(ctx);
try
{
m_Getter = ctx.ResolveIndexer(exprType, idxType, true);
return m_Getter.ReturnType;
}
catch (LensCompilerException ex)
{
ex.BindToLocation(this);
throw;
}
}