public static KirinIfStatement ParseNodes(
KirinIfStatementStart startNode,
KirinNode[] nodes,
KirinIfStatementEnd endNode,
string content)
{
var statement = new KirinIfStatement(-1, -1);
string currentCondition = startNode.RawCondition;
KirinNode conditionNode = startNode;
List <KirinNode> subStatement = new List <KirinNode>();
foreach (var subnode in nodes)
{
if (subnode.NodeType != "KirinElseIfStatement")
{
subStatement.Add(subnode);
}
else
{
var conditionStatement = FiMLexer.ParseStatement(subStatement.ToArray(), content);
try
{
statement.AddCondition(currentCondition, conditionStatement);
}
catch (FiMException ex)
{
throw new Exception(ex.Message + " at line " +
FiMHelper.GetIndexPair(content, conditionNode.Start).Line);
}
var elseIfNode = subnode as KirinElseIfStatement;
currentCondition = elseIfNode.RawCondition;
conditionNode = subnode;
subStatement.Clear();
}
}
if (subStatement.Count > 0)
{
var conditionStatement = FiMLexer.ParseStatement(subStatement.ToArray(), content);
try
{
statement.AddCondition(currentCondition, conditionStatement);
}
catch (FiMException ex)
{
throw new Exception(ex.Message + " at line " +
FiMHelper.GetIndexPair(content, conditionNode.Start).Line);
}
}
statement.SetComplete(startNode.Start, endNode.Start + endNode.Length);
if (statement.Count == 0)
{
throw new FiMException("If Statement has empty conditions");
}
return(statement);
}
public static KirinNode[] GetStatementNodes(
KirinNode startingNode,
KirinNode[] nodes,
int startIndex,
string content,
out int endIndex
)
{
endIndex = startIndex;
string endNodeType = startingNode.NodeType == "KirinIfStatementStart" ? "KirinIfStatementEnd" : "KirinLoopEnd";
List <KirinNode> statementNodes = new List <KirinNode>();
for (int si = startIndex + 1; si < nodes.Length; si++)
{
var subnode = nodes[si];
if (subnode.NodeType == "KirinIfStatementStart" ||
subnode.NodeType == "KirinForInLoop" ||
subnode.NodeType == "KirinForToLoop" ||
subnode.NodeType == "KirinWhileLoop" ||
subnode.NodeType == "KirinSwitchStart")
{
var subnodes = GetStatementNodes(subnode, nodes, si, content, out si);
var eNode = new KirinExecutableNode(-1, -1);
if (subnode.NodeType == "KirinIfStatementStart")
{
var sn = subnode as KirinIfStatementStart;
var en = nodes[si] as KirinIfStatementEnd;
eNode = KirinIfStatement.ParseNodes(sn, subnodes, en, content);
}
else if (subnode.NodeType == "KirinForInLoop")
{
var sn = subnode as KirinForInLoop;
var en = nodes[si] as KirinLoopEnd;
eNode = KirinForInLoop.ParseNodes(sn, subnodes, en, content);
}
else if (subnode.NodeType == "KirinForToLoop")
{
var sn = subnode as KirinForToLoop;
var en = nodes[si] as KirinLoopEnd;
eNode = KirinForToLoop.ParseNodes(sn, subnodes, en, content);
}
else if (subnode.NodeType == "KirinWhileLoop")
{
var sn = subnode as KirinWhileLoop;
var en = nodes[si] as KirinLoopEnd;
eNode = KirinWhileLoop.ParseNodes(sn, subnodes, en, content);
}
else if (subnode.NodeType == "KirinSwitchStart")
{
var sn = subnode as KirinSwitchStart;
var en = nodes[si] as KirinLoopEnd;
eNode = KirinSwitch.ParseNodes(sn, subnodes, en, content);
}
statementNodes.Add(eNode);
continue;
}
if (subnode.NodeType == endNodeType)
{
endIndex = si;
break;
}
if (si == nodes.Length - 1)
{
throw new FiMException($"Failed to find end of statement");
}
statementNodes.Add(subnode);
}
return(statementNodes.ToArray());
}
