public ForStatement(HappySourceLocation span, Identifier loopVariable, ExpressionNodeBase enumerable, ExpressionNodeBase between, ExpressionNodeBase where, StatementBlock loopBody)
: base(span, loopBody.Location)
{
_loopVariable = loopVariable;
_enumerable = enumerable;
_between = between;
_where = where != null ? new ForWhereClause(where.Location, _loopVariable.Text, where) : null;
_loopBody = loopBody;
}
public override void AfterVisit(ForWhereClause node)
{
var whereCondition = _expressionStack.Pop();
_expressionStack.Push(node, RuntimeHelpers.EnsureBoolResult(whereCondition));
base.AfterVisit(node);
}
public virtual void BeforeVisit(ForWhereClause node)
{
this.BeforeVisitCatchAll(node);
}
public virtual void AfterVisit(ForWhereClause node)
{
this.AfterVisitCatchAll(node);
}
public override void BeforeVisit(ForWhereClause node)
{
var whereSymbolTable = new HappySymbolTable("where(" + node.LoopVariableName + ")", this.TopSymbolTable);
whereSymbolTable.Add(node.LoopVariableName);
node.GetExtension<ScopeExtension>().SymbolTable = whereSymbolTable;
_scopeStack.Push(whereSymbolTable);
base.BeforeVisit(node);
}
public override void AfterVisit(ForWhereClause node)
{
_scopeStack.Pop();
base.AfterVisit(node);
}