public static IList<ExprNode> ExprCollectSubNodes(
ITree parentNode,
int startIndex,
IDictionary<ITree, ExprNode> astExprNodeMap)
{
ExprNode selfNode = astExprNodeMap.Delete(parentNode);
if (selfNode != null)
{
return Collections.SingletonList(selfNode);
}
IList<ExprNode> exprNodes = new List<ExprNode>();
ExprAction action = (exprNode, astExprNodeMapX, node) => {
astExprNodeMapX.Remove(node);
exprNodes.Add(exprNode);
};
for (int i = startIndex; i < parentNode.ChildCount; i++)
{
ITree currentNode = parentNode.GetChild(i);
RecursiveFindRemoveChildExprNode(currentNode, astExprNodeMap, action);
}
return exprNodes;
}
public static void ExprCollectAddSubNodes(
ExprNode parentNode,
ITree node,
IDictionary<ITree, ExprNode> astExprNodeMap)
{
if (parentNode == null)
{
throw ASTWalkException.From("Invalid null expression node for '" + ASTUtil.PrintNode(node) + "'");
}
if (node == null)
{
return;
}
ExprAction action = (exprNode, astExprNodeMapX, nodeX) => {
astExprNodeMapX.Remove(nodeX);
parentNode.AddChildNode(exprNode);
};
for (int i = 0; i < node.ChildCount; i++)
{
ITree childNode = node.GetChild(i);
RecursiveFindRemoveChildExprNode(childNode, astExprNodeMap, action);
}
}
public static void ExprCollectAddSubNodesExpressionCtx(ExprNode parentNode, IList <EsperEPL2GrammarParser.ExpressionContext> expressionContexts, IDictionary <ITree, ExprNode> astExprNodeMap)
{
ExprAction action = (exprNode, astExprNodeMapX, node) => {
astExprNodeMapX.Remove(node);
parentNode.AddChildNode(exprNode);
};
foreach (var ctx in expressionContexts)
{
RecursiveFindRemoveChildExprNode(ctx, astExprNodeMap, action);
}
}
public static void ExprCollectAddSingle(ExprNode parentNode, ITree node, IDictionary <ITree, ExprNode> astExprNodeMap)
{
if (parentNode == null)
{
throw ASTWalkException.From("Invalid null expression node for '" + ASTUtil.PrintNode(node) + "'");
}
if (node == null)
{
return;
}
ExprAction action = (exprNodeX, astExprNodeMapX, nodeX) => {
astExprNodeMapX.Remove(nodeX);
parentNode.AddChildNode(exprNodeX);
};
RecursiveFindRemoveChildExprNode(node, astExprNodeMap, action);
}
private static void RecursiveFindRemoveChildExprNode(
ITree node,
IDictionary<ITree, ExprNode> astExprNodeMap,
ExprAction action)
{
ExprNode expr = astExprNodeMap.Get(node);
if (expr != null)
{
action.Invoke(expr, astExprNodeMap, node);
return;
}
for (int i = 0; i < node.ChildCount; i++)
{
RecursiveFindRemoveChildExprNode(node.GetChild(i), astExprNodeMap, action);
}
}
public static ExprTimePeriod TimePeriodGetExprAllParams(EsperEPL2GrammarParser.TimePeriodContext ctx, IDictionary <ITree, ExprNode> astExprNodeMap, VariableService variableService, StatementSpecRaw spec, ConfigurationInformation config)
{
var nodes = new ExprNode[8];
for (var i = 0; i < ctx.ChildCount; i++)
{
var unitRoot = ctx.GetChild(i);
ExprNode valueExpr;
if (ASTUtil.IsTerminatedOfType(unitRoot.GetChild(0), EsperEPL2GrammarLexer.IDENT))
{
var ident = unitRoot.GetChild(0).GetText();
valueExpr = ASTExprHelper.ResolvePropertyOrVariableIdentifier(ident, variableService, spec);
}
else
{
var @ref = new Atomic <ExprNode>();
ExprAction action = (exprNode, astExprNodeMapX, nodeX) => {
astExprNodeMapX.Remove(nodeX);
@ref.Set(exprNode);
};
ASTExprHelper.RecursiveFindRemoveChildExprNode(unitRoot.GetChild(0), astExprNodeMap, action);
valueExpr = @ref.Get();
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_millisecondPart)
{
nodes[7] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_secondPart)
{
nodes[6] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_minutePart)
{
nodes[5] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_hourPart)
{
nodes[4] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_dayPart)
{
nodes[3] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_weekPart)
{
nodes[2] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_monthPart)
{
nodes[1] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_yearPart)
{
nodes[0] = valueExpr;
}
}
ExprTimePeriod timeNode = new ExprTimePeriodImpl(config.EngineDefaults.ExpressionConfig.TimeZone,
nodes[0] != null, nodes[1] != null, nodes[2] != null, nodes[3] != null, nodes[4] != null, nodes[5] != null, nodes[6] != null, nodes[7] != null);
if (nodes[0] != null)
{
timeNode.AddChildNode(nodes[0]);
}
if (nodes[1] != null)
{
timeNode.AddChildNode(nodes[1]);
}
if (nodes[2] != null)
{
timeNode.AddChildNode(nodes[2]);
}
if (nodes[3] != null)
{
timeNode.AddChildNode(nodes[3]);
}
if (nodes[4] != null)
{
timeNode.AddChildNode(nodes[4]);
}
if (nodes[5] != null)
{
timeNode.AddChildNode(nodes[5]);
}
if (nodes[6] != null)
{
timeNode.AddChildNode(nodes[6]);
}
if (nodes[7] != null)
{
timeNode.AddChildNode(nodes[7]);
}
return(timeNode);
}
public static ExprTimePeriod TimePeriodGetExprAllParams(
EsperEPL2GrammarParser.TimePeriodContext ctx,
IDictionary<ITree, ExprNode> astExprNodeMap,
VariableCompileTimeResolver variableCompileTimeResolver,
StatementSpecRaw spec,
Configuration config,
TimeAbacus timeAbacus)
{
ExprNode[] nodes = new ExprNode[9];
for (int i = 0; i < ctx.ChildCount; i++)
{
IParseTree unitRoot = ctx.GetChild(i);
ExprNode valueExpr;
if (ASTUtil.IsTerminatedOfType(unitRoot.GetChild(0), EsperEPL2GrammarLexer.IDENT))
{
string ident = unitRoot.GetChild(0).GetText();
valueExpr = ASTExprHelper.ResolvePropertyOrVariableIdentifier(ident, variableCompileTimeResolver, spec);
}
else
{
AtomicReference<ExprNode> @ref = new AtomicReference<ExprNode>();
ExprAction action = (exprNode, astExprNodeMapX, node) => {
astExprNodeMapX.Remove(node);
@ref.Set(exprNode);
};
ASTExprHelper.RecursiveFindRemoveChildExprNode(unitRoot.GetChild(0), astExprNodeMap, action);
valueExpr = @ref.Get();
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_microsecondPart)
{
nodes[8] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_millisecondPart)
{
nodes[7] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_secondPart)
{
nodes[6] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_minutePart)
{
nodes[5] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_hourPart)
{
nodes[4] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_dayPart)
{
nodes[3] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_weekPart)
{
nodes[2] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_monthPart)
{
nodes[1] = valueExpr;
}
if (ASTUtil.GetRuleIndexIfProvided(unitRoot) == EsperEPL2GrammarParser.RULE_yearPart)
{
nodes[0] = valueExpr;
}
}
ExprTimePeriod timeNode = new ExprTimePeriodImpl(
nodes[0] != null, nodes[1] != null,
nodes[2] != null, nodes[3] != null,
nodes[4] != null, nodes[5] != null,
nodes[6] != null, nodes[7] != null,
nodes[8] != null, timeAbacus);
foreach (ExprNode node in nodes)
{
if (node != null)
{
timeNode.AddChildNode(node);
}
}
return timeNode;
}
