public ScriptOutput Execute(Ast.Script script, ScriptEnv env, IReadOnlyDictionary <string, object> args)
{
foreach (var arg in args)
{
var lowercaseKey = arg.Key.ToLower();
env.Vars[lowercaseKey] = arg.Value;
}
Execute(script, env);
return(env.Output);
}
public void Execute(Ast.Script script, ScriptEnv env)
{
ExecuteBlock(script.Block, env);
if (env.DidBreak)
{
throw new ScriptException($"Attempted to BREAK outside of a WHILE loop.");
}
else if (env.DidContinue)
{
throw new ScriptException($"Attempted to CONTINUE outside of a WHILE loop.");
}
else if (env.DidThrow)
{
throw new UncaughtErrorScriptException(env.ErrorNumber, env.ErrorMessage, env.ErrorState);
}
}
private Ast.Script ParseScript(TokenQueue q)
{
var script = new Ast.Script {
SourceToken = q.SourceToken
};
script.Block = new Ast.Block {
SourceToken = q.SourceToken
};
while (!q.Eof())
{
var stmt = ParseStmt(q);
if (stmt != null)
{
script.Block.Statements.Add(stmt);
}
}
return(script);
}
// must be run from the SQLite thread
public ScriptOutput Execute(Ast.Script script, IReadOnlyDictionary <string, object> args)
{
return(Execute(script, new ScriptEnv(), args));
}
