public IScript Build(string script, Action <IExecutionContext> contextInitializer = null)
{
var inputStream = new AntlrInputStream(script);
var lexer = new FSQLLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new FSQLParser(commonTokenStream);
var examContext = parser.script();
var results = Visit(examContext);
return(new FSQLScript(results as IExecutable, contextInitializer));
}
public IStatement Parse(string source)
{
var inputStream = new AntlrInputStream(source);
var lexer = new FSQLLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new FSQLParser(commonTokenStream);
IStatement results = new Unimplemented(source);
var stmtContext = parser.statement();
//IProgramPart parseResults;
try {
results = Visit(stmtContext) as IStatement;
if (results == null)
{
throw new SyntaxErrorException($"Could not parse '{source}'.");
}
} catch (Exception) {
if (!source.StartsWith("@_ ="))
{
source = "@_ = " + source;
if (!source.EndsWith(";"))
{
source = source + ";";
}
results = Parse(source);
}
else
{
throw;
}
}
return(results);
}
