public void Execute(JSFunctionMetadata funcMetadata)
{
if (funcMetadata.IsAnalyzed)
return;
if (!funcMetadata.Scope.IsEvalFunction)
return; //This is not the body in an eval()
_currFuncMetadata = funcMetadata;
_implicitReturn = _currFuncMetadata.Scope.GetOrAddSymbol("_implicit_eval_return");
_implicitReturn.SymbolType = JSSymbol.SymbolTypes.HiddenLocal;
_currBlock = null;
_currStatementIndex = -1;
_currExpressionStatement = null;
VisitNode(_currFuncMetadata.FunctionIR.Statement);
_currFuncMetadata.FunctionIR.Statement.Statements.Add(
new ReturnStatement(
new ReadIdentifierExpression(_implicitReturn)
)
);
}
public override void Visit(ExpressionStatement node)
{
var stackState = _localVars.GetTemporaryStackState();
base.Visit(node);
_localVars.PopTemporariesAfter(stackState);
}
public override void Visit(ExpressionStatement node)
{
VisitNode(node.Expression);
Visit((Statement)node);
}
public override void Visit(ExpressionStatement node)
{
PushLocation(node);
VisitNode(node.Expression);
AsVoid();
PopLocation();
}
public override void Visit(ExpressionStatement node)
{
Debug.Assert(_currExpressionStatement == null, "Invalid situation");
_currExpressionStatement = node;
VisitNode(node.Expression);
_currExpressionStatement = null;
}