static Expression CompileIfStat(Ast.IfStat ifstat, LabelTarget returnTarget, LabelTarget breakTarget, Expression Context)
{
var condition = GetAsBool(CompileSingleExpression(ifstat.Condition, Context));
var block = CompileBlock(ifstat.Block, returnTarget, breakTarget, Expression.New(LuaContext_New_parent, Context));
if (ifstat.ElseIfs.Count == 0)
{
if (ifstat.ElseBlock == null)
{
return(Expression.IfThen(condition, block));
}
else
{
var elseBlock = CompileBlock(ifstat.ElseBlock, returnTarget, breakTarget, Expression.New(LuaContext_New_parent, Context));
return(Expression.IfThenElse(condition, block, elseBlock));
}
}
else
{
Expression b = null;
for (int i = ifstat.ElseIfs.Count - 1; i >= 0; i--)
{
IfStat branch = ifstat.ElseIfs[i];
var cond = GetAsBool(CompileSingleExpression(branch.Condition, Context));
var body = CompileBlock(branch.Block, returnTarget, breakTarget, Expression.New(LuaContext_New_parent, Context));
if (b == null)
{
if (ifstat.ElseBlock == null)
{
b = Expression.IfThen(cond, body);
}
else
{
var elseBlock = CompileBlock(ifstat.ElseBlock, returnTarget, breakTarget, Expression.New(LuaContext_New_parent, Context));
b = Expression.IfThenElse(cond, body, elseBlock);
}
}
else
{
b = Expression.IfThenElse(cond, body, b);
}
}
var tree = Expression.IfThenElse(condition, block, b);
return(tree);
}
throw new NotImplementedException();
}
Ast.IfStat ParseIf(ParseTreeNode node)
{
if (node.Term.Name == "If")
{
Ast.IExpression condition = ParseExpression(node.ChildNodes[1]);
Ast.Block block = ParseBlock(node.ChildNodes[3]);
Ast.IfStat If = new Ast.IfStat();
If.Block = block;
If.Condition = condition;
If.ElseIfs = new List <Ast.IfStat>();
If.Span = node.Span;
ParseTreeNode ElseifNode = node.ChildNodes[4];
ParseTreeNode ElseNode = node.ChildNodes[5];
while (ElseifNode.ChildNodes.Count != 0)
{
var childnode = ElseifNode.ChildNodes[0];
Ast.IfStat elseif = new Ast.IfStat();
elseif.Span = childnode.Span;
elseif.Condition = ParseExpression(childnode.ChildNodes[1]);
elseif.Block = ParseBlock(childnode.ChildNodes[3]);
If.ElseIfs.Add(elseif);
ElseifNode = childnode.ChildNodes[4];
}
if (ElseNode.ChildNodes.Count != 0)
{
If.ElseBlock = ParseBlock(ElseNode.ChildNodes[0].ChildNodes[1]);
}
return(If);
}
throw new Exception("Invalid If node");
}
public void iterateLogic(List<string> Lines, IfStat ifs)
{
var a = TypeToString((ifs.Condition as BinaryExpression).Left);
var b = TypeToString((ifs.Condition as BinaryExpression).Right);
Lines.Add("#/scoreboard players test lua " + a + " " + b + " " + b);
}
Ast.IfStat ParseIf(ParseTreeNode node)
{
if (node.Term.Name == "If")
{
Ast.IExpression condition = ParseExpression(node.ChildNodes[1]);
Ast.Block block = ParseBlock(node.ChildNodes[3]);
Ast.IfStat If = new Ast.IfStat();
If.Block = block;
If.Condition = condition;
If.ElseIfs = new List<Ast.IfStat>();
ParseTreeNode ElseifNode = node.ChildNodes[4];
ParseTreeNode ElseNode = node.ChildNodes[5];
while (ElseifNode.ChildNodes.Count != 0)
{
var childnode = ElseifNode.ChildNodes[0];
Ast.IfStat elseif = new Ast.IfStat();
elseif.Condition = ParseExpression(childnode.ChildNodes[1]);
elseif.Block = ParseBlock(childnode.ChildNodes[3]);
If.ElseIfs.Add(elseif);
ElseifNode = childnode.ChildNodes[4];
}
if (ElseNode.ChildNodes.Count != 0)
If.ElseBlock = ParseBlock(ElseNode.ChildNodes[0].ChildNodes[1]);
return If;
}
throw new Exception("Invalid If node");
}