public ScriptFlowControlStatement(AstNodeArgs args)
: base(args)
{
var oper = ChildNodes[0] as TokenAst;
_operation = oper.Text;
Debug.Assert(oper.Text == "return" || oper.Text == "break" || oper.Text == "continue" || oper.Text == "throw");
if (_operation == "return" || _operation == "throw")
_expression = (ScriptExpr)ChildNodes[1];
}
public ScriptMetaExpr(AstNodeArgs args)
: base(args)
{
var progArgs = new AstNodeArgs
{
ChildNodes = new AstNodeList { ChildNodes[1] },
Span = args.Span,
Term = args.Term
};
_metaProg = new ScriptProg(progArgs) { Parent = this };
}
public ScriptFlowControlStatement(AstNodeArgs args)
: base(args)
{
var oper = ChildNodes[0] as TokenAst;
_operation = oper.Text;
Debug.Assert(oper.Text == "return" || oper.Text == "break" || oper.Text == "continue" || oper.Text == "throw");
if (_operation == "return" || _operation == "throw")
{
_expression = (ScriptExpr)ChildNodes[1];
}
}
public ScriptMetaExpr(AstNodeArgs args)
: base(args)
{
var progArgs = new AstNodeArgs
{
ChildNodes = new AstNodeList {
ChildNodes[1]
},
Span = args.Span,
Term = args.Term
};
_metaProg = new ScriptProg(progArgs)
{
Parent = this
};
}
/// <summary>
/// Returns source code for given node
/// </summary>
/// <param name="node">Node</param>
/// <returns>source code</returns>
internal string Code(ScriptAst node)
{
return SourceCode.Substring(node.Span.Start.Position, node.Span.Length);
}
protected static bool CheckCondition(ScriptAst cond, IScriptContext context)
{
cond.Evaluate(context);
return (bool)context.Result;
}
public ScriptUsingStatement(AstNodeArgs args)
: base(args)
{
_name = args.ChildNodes[1] as ScriptQualifiedName;
_statement = args.ChildNodes[2] as ScriptAst;
}
public ScriptUsingStatement(AstNodeArgs args)
: base(args)
{
_name = args.ChildNodes[1] as ScriptQualifiedName;
_statement = args.ChildNodes[2] as ScriptAst;
}
protected static bool CheckCondition(ScriptAst cond, IScriptContext context)
{
cond.Evaluate(context);
return((bool)context.Result);
}
