public override void Compile(Emitter.Emitter emitter)
{
try
{
Resolve(emitter);
}
catch (CompilerException ex)
{
ex.AffixToLexem(Lexem);
throw;
}
switch (Kind)
{
case IdentifierKind.StaticField: emitter.EmitLoadField(emitter.FindField(OwnerType, Name)); break;
case IdentifierKind.Field: if(ExpressionPrefix != null)
ExpressionPrefix.Compile(emitter);
else
emitter.EmitLoadThis();
emitter.EmitLoadField(emitter.FindField(OwnerType, Name)); break;
case IdentifierKind.StaticMethod: emitter.EmitCall(emitter.FindMethod(OwnerType, Name)); break;
case IdentifierKind.Method: if (ExpressionPrefix != null)
ExpressionPrefix.Compile(emitter);
else
emitter.EmitLoadThis();
emitter.EmitCall(emitter.FindMethod(OwnerType, Name)); break;
case IdentifierKind.Variable: emitter.EmitLoadVariable(emitter.CurrentMethod.Scope.Find(Name)); break;
case IdentifierKind.Parameter: emitter.EmitLoadParameter(emitter.CurrentMethod.Parameters[Name].Id); break;
case IdentifierKind.SizeProperty: ExpressionPrefix.Compile(emitter);
emitter.EmitLoadArraySize(); break;
}
}
/// <summary>
/// Emit code for loading local variables from fields
/// </summary>
/// <param name="list">List of closures</param>
private void LoadClosuredVariables(Dictionary<string, string> list, Emitter.Emitter emitter)
{
foreach (var curr in list)
{
emitter.EmitLoadThis();
// load field
var currField = emitter.FindField(PlannerID, "_" + curr.Key);
emitter.EmitLoadField(currField);
// save into variable
var currVar = emitter.CurrentMethod.Scope.Introduce(curr.Value, emitter.ResolveType(curr.Value), curr.Key);
emitter.EmitSaveVariable(currVar);
}
}