CGLoadArrayElementOperation.cs

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using TypeSystem.Operations;
using TypeSystem;
namespace CodeGeneration.Operations {
    internal class CGLoadArrayElementOperation<T> : TypeSystemOperation where T : ILCodeGenerator {

        private T codeGenerator;
        private int indent;


        public CGLoadArrayElementOperation(T codeGenerator, int indent) {
            this.codeGenerator = codeGenerator;
            this.indent = indent;
        }
        public override object Exec(ClassType ct, object arg) {
            this.codeGenerator.ldelemRef(this.indent);
            return null;
        }
        public override object Exec(StringType s, object arg) {
            this.codeGenerator.ldelemRef(this.indent);
            return null;
        }
        public override object Exec(ArrayType a, object arg) {
            this.codeGenerator.ldelemRef(this.indent);
            return null;
        }
        public override object Exec(TypeVariable t, object arg)
        {
            if(t.Substitution != null && !t.Substitution.IsValueType())
                this.codeGenerator.ldelemRef(this.indent);
            else
                this.codeGenerator.CallVirt(this.indent, "instance", "class [mscorlib]System.Object", "class [mscorlib]System.Array", "GetValue", new string[] { "int32" });
            return null;
        }

        public override object Exec(UnionType t, object arg) {
            this.codeGenerator.ldelemRef(this.indent);
            return null;
        }
        public override object Exec(DoubleType d, object arg) {
            this.codeGenerator.ldelemDouble(this.indent);
            return null;
        }
        public override object Exec(CharType c, object arg)
        {
            this.codeGenerator.ldelemChar(this.indent);
            return null;
        }
        public override object Exec(TypeExpression t, object arg) {
            this.codeGenerator.ldelemInt(this.indent);
            return null;
        }
    }

}