public MidFieldMemberRef(
MidVal obj,
MidFieldDecl decl)
{
_obj = obj;
_decl = decl;
}
public MidElementCtorArg(
MidAttributeDecl attribute,
MidVal val)
{
_attribute = attribute;
_val = val;
}
private MidExp EmitExpImpl(
ResLetExp resLet,
MidEmitEnv env)
{
var resLetType = resLet.Var.Type;
MidVal midVal = null;
if (resLetType is ResFreqQualType)
{
var resFreq = ((ResFreqQualType)resLetType).Freq;
var midElem = ((MidElementType)EmitTypeExp(resFreq, env)).Decl;
midVal = EmitValToElement(resLet.Value, midElem, env);
}
if (midVal == null)
{
midVal = EmitVal(resLet.Value, env);
}
env.Insert(
resLet.Var,
(SourceRange r) => midVal);
return(EmitExpRaw(
resLet.Body,
env));
}
private MidExp EmitExpImpl(ResBreakExp exp, MidEmitEnv env)
{
MidLabel label = env.Lookup(exp.Label);
MidVal val = EmitVal(exp.Value, env);
return(new MidBreakExp(exp.Range, label, val));
}
public MidMemberBind(
MidVal obj,
MidMemberDecl decl)
{
_obj = obj;
_decl = decl;
}
public MidVal Transform(MidVal exp)
{
var e = (MidVal)PreTransform(exp);
TransformChildren(e);
e = (MidVal)PostTransform(e);
return(e);
}
public MidSwitchExp(
MidVal value,
IEnumerable <MidCase> cases,
SourceRange range)
: base(range, new MidVoidType())
{
_value = value;
_cases = cases.ToArray();
}
public MidCase(
MidVal value,
MidExp body,
SourceRange range)
{
this.Value = value;
this.Body = body;
_range = range;
}
public MidAssignExp(
SourceRange range,
MidVal dest,
MidVal src)
: base(range, new MidVoidType())
{
_dest = dest;
_src = src;
}
public MidBreakExp(
SourceRange range,
MidLabel label,
MidVal value)
: base(range, new MidVoidType())
{
_label = label;
_value = value;
}
private IMidMemberRef LookupMemberImpl(
IMidMemberRef container,
MidVal obj,
IResMemberDecl resDecl,
MidEmitEnv env)
{
var midDecl = container.LookupMemberDecl(resDecl);
return(midDecl.CreateRef(new MidMemberBind(obj, midDecl)));
}
public MidIfExp(
MidVal condition,
MidExp thenExp,
MidExp elseExp,
SourceRange range)
: base(range, new MidDummyType())
{
this.Condition = condition;
this.Then = thenExp;
this.Else = elseExp;
}
public MidForExp(
SourceRange range,
MidVar var,
MidVal seq,
MidExp body)
: base(range, new MidVoidType())
{
_var = var;
_seq = seq;
_body = body;
}
public void Insert(MidVar var, MidVal val)
{
_vars[var] = val;
}
private void TransformChildrenImpl(
MidVal val)
{
}
private MidVal Replace(
MidVal val)
{
return(ReplaceImpl((dynamic)val));
}