public override void EmitStore(AffeCompilerState state, Expression expr)
{
this.Target.Emit(state);
state.ILGenerator.Emit(OpCodes.Ldstr, this.Member.Name);
expr.Emit(state);
state.ILGenerator.Emit(OpCodes.Call, PerformWriteInvokeInfo);
}
public override void EmitStore(AffeCompilerState state, Expression expr)
{
string target = this.Identifier.Name;
Symbol s = state.Scope.GetSymbol(target);
if (s == null) {
// This should never happen if the analysis was run.
throw new AffeException("Unknown symbol.", this);
}
if (!(s is VariableSymbol) && !(s is FieldSymbol))
throw new AffeException("Assignment target is not a variable or field.", this);
if (s is FieldSymbol) {
FieldInfo fi = ((FieldSymbol) s).Field;
if (fi.IsInitOnly)
throw new AffeException("Cannot assign to a read-only field.", this);
if (!fi.IsStatic)
state.ILGenerator.Emit(OpCodes.Ldarg_0);
}
expr.Emit(state);
if (s is VariableSymbol) {
state.ILGenerator.Emit(OpCodes.Stloc, ((VariableSymbol) s).Local);
} else {
FieldInfo fi = ((FieldSymbol) s).Field;
state.ILGenerator.Emit(fi.IsStatic ? OpCodes.Stsfld : OpCodes.Stfld, fi);
}
}
public override void EmitStore(AffeCompilerState state, Expression expr)
{
MethodInfo setter = null;
if (this.mIndexer != null)
setter = this.mIndexer.GetSetMethod();
if (setter == null || !setter.IsStatic)
this.Expression.Emit(state);
foreach (Expression e in this.Index)
e.Emit(state);
expr.Emit(state);
if (this.mIndexer != null) {
if (setter == null)
throw new AffeException("Indexer is read-only.", this);
state.ILGenerator.Emit(setter.IsStatic ?
OpCodes.Call :
OpCodes.Callvirt, setter);
} else {
//state.ILGenerator.Emit(OpCodes.Stelem, this.Type);
EmitStelem(state.ILGenerator, this.Type);
}
}
public override void EmitStore(AffeCompilerState state, Expression expr)
{
if (!this.CanWrite)
throw new AffeException("Target is read-only.", this);
PropertyInfo pi = this.mMemberInfo as PropertyInfo;
FieldInfo fi = this.mMemberInfo as FieldInfo;
bool stc = (pi != null) ?
pi.GetGetMethod().IsStatic :
fi.IsStatic;
if (!stc)
this.Target.Emit(state);
expr.Emit(state);
if (pi != null)
state.ILGenerator.Emit(stc ? OpCodes.Call : OpCodes.Callvirt,
pi.GetSetMethod());
else
state.ILGenerator.Emit(stc ? OpCodes.Stsfld : OpCodes.Stfld, fi);
}