protected AstNode GetAstNodesFromInput(string input)
{
var charStream = new AntlrInputStream(input);
var lexer = new QlLexer(charStream);
var parser = new QlParser(new CommonTokenStream(lexer));
var visitor = new AstCreator();
return(visitor.Visit(parser.form()));
}
/// <summary>
/// Rule: Start -> (Program)? EOF ;
/// </summary>
protected override object EvalStart(ParseTree tree, params object[] paramlist)
{
Namespaces.Reset();
AstCreator.Reset();
var program = GetNode(TokenType.Program);
program?.Eval(tree);
return(null);
}
public FormStatement BuildAst()
{
var dataStream = new AntlrInputStream(this.InputData);
var lexer = new QlLexer(dataStream);
var parser = new QlParser(new CommonTokenStream(lexer));
var astCreator = new AstCreator();
var astTree = astCreator.Visit(parser.form());
Console.WriteLine("Ql AST building done!");
return(astTree.As <FormStatement>());
}
public StyleSheet BuildAst()
{
var dataStream = new AntlrInputStream(this.InputData);
var lexer = new QlsGrammarLexer(dataStream);
var parser = new QlsGrammarParser(new CommonTokenStream(lexer));
var visitor = new AstCreator();
var astTree = visitor.Visit(parser.stylesheet());
Console.WriteLine("Ql AST building done!");
return(astTree.As <StyleSheet>());
}
public SourceCodeHandler(string source, bool generateAssembly)
{
var scanner = new Scanner();
var parser = new Parser(scanner);
//var highlighter = new TextHighlighter(source, scanner, parser);
var tree = parser.Parse(source, "", new AstGenerationTree());
PopulateSyntaxTree(tree.Nodes.First(), ParseTree);
PopulateTokens(scanner);
if (!tree.Errors.Any())
{
try
{
tree.Eval();
var r = Namespaces.Root;
var p = AstCreator.GetProgram();
p.Optimize();
ASTTree = p.GetNodes();
//new ControlFlowVisitor().Visit(p);
PopulateIdentifierTree(Namespaces.Root, IdentifierTree);
if (generateAssembly)
{
var codeGeneration = new CodeGenVisitor(p);
try
{
codeGeneration.GenerateAssembly($"{AppDomain.CurrentDomain.BaseDirectory}\\output.exe");
}
catch (Exception exception)
{
tree.Errors.Add(new ParseError($"Что-то пошло не так {exception.Message}", 0));
}
}
}
catch (ParseException parseException)
{
tree.Errors.Add(parseException.Error);
}
}
Errors = tree.Errors;
Status = $"Errors: {string.Join(Environment.NewLine, tree.Errors.Select(e => e.ToString()))}{Environment.NewLine}";
}
