private void ExecuteExecuteStmt(Ast.ExecuteStmt stmt, ScriptEnv env)
{
var parser = new ScriptParser(_notebook);
var runner = new ScriptRunner(_notebook, _scripts);
var script = parser.Parse(GetScriptCode(stmt.ScriptName));
var subEnv = new ScriptEnv();
foreach (var arg in stmt.Arguments)
{
subEnv.Vars[arg.Name.ToLower()] = EvaluateExpr(arg.Value, env);
}
try {
runner.Execute(script, subEnv);
} catch (UncaughtErrorScriptException ex) {
env.ErrorNumber = ex.ErrorNumber;
env.ErrorMessage = ex.ErrorMessage;
env.ErrorState = ex.ErrorState;
env.DidThrow = true;
return;
}
env.Output.Append(subEnv.Output);
var returnCode = subEnv.Output.ScalarResult;
if (stmt.ReturnVariableName != null)
{
var name = stmt.ReturnVariableName.ToLower();
env.Vars[name] = returnCode ?? 0L;
}
}
private Ast.Stmt ParseExecuteStmt(TokenQueue q)
{
var stmt = new Ast.ExecuteStmt {
SourceToken = q.SourceToken
};
q.Take("exec", "execute");
if (q.Peek(1) == "=")
{
stmt.ReturnVariableName = ParseVariableName(q);
q.Take("=");
}
if (q.PeekToken().Type == TokenType.String || q.PeekToken().Type == TokenType.Id)
{
stmt.ScriptName = q.Take().GetUnescapedText();
}
else
{
throw new SyntaxException(new[] { "string", "identifier" }, q);
}
if (IsVariableName(q.PeekToken()?.GetUnescapedText() ?? "") && q.Peek(1) == "=")
{
while (true)
{
var arg = new Ast.ArgumentPair();
arg.Name = ParseVariableName(q);
q.Take("=");
if (q.Peek() == "default")
{
q.Take();
}
else
{
arg.Value = ParseExpr(q);
}
stmt.Arguments.Add(arg);
if (!q.TakeMaybe(","))
{
break;
}
}
}
ConsumeSemicolon(q);
return(stmt);
}
