private void Build(DTryCatch node, Hints hints, CompilerContext ctx)
{
var gotcha = cw.DefineLabel();
cw.Start(gotcha);
Build(node.Expression, hints, ctx);
AddLinePragma(node);
cw.End();
var skip = cw.DefineLabel();
cw.Br(skip);
cw.MarkLabel(gotcha);
StartScope(ScopeKind.Lexical, node.Catch.Location);
//We are inside a catch, we need preserve an exception object for
//possible rethrows
cw.Dup();
var a = AddVariable();
cw.PopVar(a);
ctx.Errors.Push(a);
if (node.BindVariable is not null)
{
AddLinePragma(node.BindVariable);
if (node.BindVariable.Value is not "_")
{
var sv = AddVariable(node.BindVariable.Value, node.Catch.Location, VarFlags.Const);
cw.PopVar(sv);
}
else
{
cw.Pop();
}
}
Build(node.Catch, hints.Append(Catch), ctx);
ctx.Errors.Pop();
EndScope();
cw.MarkLabel(skip);
AddLinePragma(node);
cw.Nop();
}
private void Build(DTryCatch node, Hints hints, CompilerContext ctx)
{
var gotcha = cw.DefineLabel();
cw.Start(gotcha);
Build(node.Expression, hints, ctx);
AddLinePragma(node);
cw.End();
var skip = cw.DefineLabel();
cw.Br(skip);
cw.MarkLabel(gotcha);
StartScope(false, node.Catch.Location);
if (node.BindVariable != null)
{
AddLinePragma(node.BindVariable);
if (node.BindVariable.Value != "_")
{
var sv = AddVariable(node.BindVariable.Value, node.Catch, VarFlags.Const);
cw.PopVar(sv);
}
else
{
cw.Pop();
}
}
Build(node.Catch, hints, ctx);
EndScope();
cw.MarkLabel(skip);
AddLinePragma(node);
cw.Nop();
}