public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
if (_catchExprs.count() == 0 && _finallyExpr == null)
{
// degenerate case
_tryExpr.Emit(rhc, objx, ilg);
return;
}
LocalBuilder retLocal = ilg.DeclareLocal(typeof(Object));
ilg.BeginExceptionBlock();
_tryExpr.Emit(rhc, objx, ilg);
if (rhc != RHC.Statement)
{
ilg.Emit(OpCodes.Stloc, retLocal);
}
for (int i = 0; i < _catchExprs.count(); i++)
{
CatchClause clause = (CatchClause)_catchExprs.nth(i);
ilg.BeginCatchBlock(clause.Type);
// Exception should be on the stack. Put in clause local
clause.Lb.LocalVar = ilg.DeclareLocal(clause.Type);
ilg.Emit(OpCodes.Stloc, clause.Lb.LocalVar);
clause.Handler.Emit(rhc, objx, ilg);
if (rhc != RHC.Statement)
{
ilg.Emit(OpCodes.Stloc, retLocal);
}
}
if (_finallyExpr != null)
{
ilg.BeginFinallyBlock();
_finallyExpr.Emit(RHC.Statement, objx, ilg);
}
ilg.EndExceptionBlock();
if (rhc != RHC.Statement)
{
ilg.Emit(OpCodes.Ldloc, retLocal);
}
}
public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
if (_catchExprs.count() == 0 && _finallyExpr == null)
{
// degenerate case
_tryExpr.Emit(rhc, objx, ilg);
return;
}
LocalBuilder retLocal = ilg.DeclareLocal(typeof(Object));
ilg.BeginExceptionBlock();
_tryExpr.Emit(rhc, objx, ilg);
if (rhc != RHC.Statement)
ilg.Emit(OpCodes.Stloc, retLocal);
for (int i = 0; i < _catchExprs.count(); i++)
{
CatchClause clause = (CatchClause)_catchExprs.nth(i);
ilg.BeginCatchBlock(clause.Type);
// Exception should be on the stack. Put in clause local
clause.Lb.LocalVar = ilg.DeclareLocal(clause.Type);
ilg.Emit(OpCodes.Stloc, clause.Lb.LocalVar);
clause.Handler.Emit(rhc, objx, ilg);
if (clause.Handler.HasNormalExit() && rhc != RHC.Statement)
ilg.Emit(OpCodes.Stloc, retLocal);
}
if (_finallyExpr != null)
{
ilg.BeginFinallyBlock();
_finallyExpr.Emit(RHC.Statement, objx, ilg);
}
ilg.EndExceptionBlock();
if (rhc != RHC.Statement)
ilg.Emit(OpCodes.Ldloc, retLocal);
}
