public DekiScriptOutputBuffer.Range Visit(DekiScriptForeach expr, DekiScriptExpressionEvaluationState state)
{
state.ThrowIfTimedout();
int marker = state.Buffer.Marker;
try {
DekiScriptGeneratorEvaluation.Generate(expr.Generator, delegate(DekiScriptEnv subEnv) {
// iterate over block statements
try {
expr.Body.VisitWith(this, state.With(subEnv));
} catch (DekiScriptContinueException) {
// ignore continue exceptions
}
}, state);
} catch (DekiScriptBreakException) {
// ignore break exceptions
}
return(state.Buffer.Since(marker));
}
public DekiScriptOutputBuffer.Range Visit(DekiScriptMapConstructor expr, DekiScriptExpressionEvaluationState state)
{
DekiScriptMap result = new DekiScriptMap();
if (expr.Generator == null)
{
foreach (DekiScriptMapConstructor.FieldConstructor field in expr.Fields)
{
DekiScriptLiteral key = state.Pop(field.Key.VisitWith(this, state));
// check that key is a simple type
string text = key.AsString();
if (text != null)
{
DekiScriptLiteral value = state.Pop(field.Value.VisitWith(this, state));
result.Add(text, value);
}
}
}
else
{
DekiScriptGeneratorEvaluation.Generate(expr.Generator, delegate(DekiScriptEnv subEnv) {
foreach (DekiScriptMapConstructor.FieldConstructor field in expr.Fields)
{
DekiScriptLiteral key = state.Pop(field.Key.VisitWith(this, state.With(subEnv)));
// check that key is a simple type
string text = key.AsString();
if (text != null)
{
DekiScriptLiteral value = state.Pop(field.Value.VisitWith(this, state.With(subEnv)));
result.Add(text, value);
}
}
}, state);
}
return(state.Push(result));
}
public DekiScriptOutputBuffer.Range Visit(DekiScriptListConstructor expr, DekiScriptExpressionEvaluationState state)
{
DekiScriptList result = new DekiScriptList();
if (expr.Generator == null)
{
foreach (DekiScriptExpression item in expr.Items)
{
result.Add(state.Pop(item.VisitWith(this, state)));
}
}
else
{
DekiScriptGeneratorEvaluation.Generate(expr.Generator, delegate(DekiScriptEnv subEnv) {
foreach (DekiScriptExpression item in expr.Items)
{
var eval = state.Pop(item.VisitWith(this, state.With(subEnv)));
result.Add(eval);
}
}, state);
}
return(state.Push(result));
}
