public static void Init(BytecodeGenerator bytecodeGenerator)
{
PrintMenu();
var n = Console.ReadLine();
var num = int.Parse(n);
switch (num)
{
case 1:
Lexico(bytecodeGenerator, false, null);
break;
case 2:
Sintatico(bytecodeGenerator, false, null);
break;
case 3:
BytecodeGenerator(bytecodeGenerator);
break;
case 4:
Environment.Exit(0);
break;
default:
break;
}
}
public void Compile(ICharStream input)
{
try
{
AssemblerLexer lex = new AssemblerLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
AssemblerParser p = new AssemblerParser(tokens);
BytecodeGenerator gen = new BytecodeGenerator(Defaults.SystemMethods.Values);
p.SetGenerator(gen);
p.TraceDestination = _traceDestination;
p.program();
if (p.NumberOfSyntaxErrors > 0 && _listener != null)
{
_listener.Error(Convert.ToString(p.NumberOfSyntaxErrors) + " syntax error(s)");
return;
}
_result = gen.Result;
}
catch (GenerationException ex)
{
_listener.Error(ex.Message);
}
}
public static void Lexico(BytecodeGenerator bytecodeGenerator, Boolean isCalledFromBytecodeGenerator, String filePath)
{
var a = new Analisador();
var c = "";
Console.Clear();
if (String.IsNullOrEmpty(filePath))
{
Console.WriteLine("Digite o caminho do arquivo:");
c = Console.ReadLine();
bytecodeGenerator.filePath = c;
}
else
{
c = filePath;
}
int counter = 1;
string line;
using (StreamReader file = new StreamReader(c))
{
while ((line = file.ReadLine()) != null)
{
if (line.Length > 0)
{
a.linha = counter;
a.codigo = line;
a.Analizar();
}
counter++;
}
}
a.lastIndentation();
bytecodeGenerator.lexicalTokens = a.tks;
bytecodeGenerator.lexicAnalyzed = true;
if (!isCalledFromBytecodeGenerator)
{
a.PrintTokens();
Console.WriteLine("\nPressione tecla");
Console.ReadLine();
Console.Clear();
Init(bytecodeGenerator);
}
}
public static void Sintatico(BytecodeGenerator bytecodeGenerator, Boolean isCalledFromBytecodeGenerator, String filePath)
{
var s = new Sintatico();
var c = "";
Console.Clear();
if (String.IsNullOrEmpty(filePath))
{
Console.WriteLine("Digite o caminho do arquivo:");
c = Console.ReadLine();
bytecodeGenerator.filePath = c;
}
else
{
c = filePath;
}
using (StreamReader file = new StreamReader(c))
{
var text = file.ReadToEnd();
int result = s.Analizar(text);
if (result == 1)
{
Console.WriteLine("\nReconhecido com sucesso");
bytecodeGenerator.correctSyntax = true;
}
else
{
s.PrintErro();
bytecodeGenerator.correctSyntax = false;
}
}
bytecodeGenerator.syntacticAnalyzed = true;
if (!isCalledFromBytecodeGenerator)
{
Console.WriteLine("\nPressione tecla");
Console.ReadLine();
Console.Clear();
Init(bytecodeGenerator);
}
}
private static void BytecodeGenerator(BytecodeGenerator bytecodeGenerator)
{
Console.Clear();
if (!String.IsNullOrEmpty(bytecodeGenerator.filePath))
{
Console.WriteLine("Utilizando último caminho de arquivo informado\n\n");
}
else
{
Console.WriteLine("Digite o caminho do arquivo:");
bytecodeGenerator.filePath = Console.ReadLine();
}
// If lexyc was not executed yet
if (!bytecodeGenerator.lexicAnalyzed)
{
Lexico(bytecodeGenerator, true, bytecodeGenerator.filePath);
}
if (!bytecodeGenerator.syntacticAnalyzed)
{
Sintatico(bytecodeGenerator, true, bytecodeGenerator.filePath);
}
if (bytecodeGenerator.correctSyntax)
{
bytecodeGenerator.generateBytecode();
}
else
{
Console.WriteLine("\nErro de sintaxe foi identificado, bytecode não gerado");
}
Console.WriteLine("\n\nPressione tecla");
Console.ReadLine();
Console.Clear();
Init(bytecodeGenerator);
}
public VM.CompiledScript Compile(ICharStream input)
{
try
{
LSLTreeAdaptor lslAdaptor = new LSLTreeAdaptor();
//
// Initial parse and AST creation
//
LSLLexer lex = new LSLLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
LSLParser p = new LSLParser(tokens);
p.TreeAdaptor = lslAdaptor;
p.TraceDestination = _traceRedirect;
lex.TraceDestination = _traceRedirect;
LSLParser.prog_return r = p.prog();
if (p.NumberOfSyntaxErrors > 0)
{
_listener.Error(Convert.ToString(p.NumberOfSyntaxErrors) + " syntax error(s)");
return(null);
}
//
// Definitions
//
CommonTree t = (CommonTree)r.Tree;
CommonTreeNodeStream nodes = new CommonTreeNodeStream(lslAdaptor, t);
nodes.TokenStream = tokens;
SymbolTable symtab = new SymbolTable(tokens, Defaults.SystemMethods.Values, DefaultConstants.Constants.Values);
symtab.StatusListener = _listener;
Def def = new Def(nodes, symtab);
def.TraceDestination = _traceRedirect;
def.Downup(t);
nodes.Reset();
if (_listener.HasErrors() || def.NumberOfSyntaxErrors > 0)
{
return(null);
}
//
// Type and more semantic checks
//
Compiler.Types types = new Compiler.Types(nodes, symtab);
types.TraceDestination = _traceRedirect;
types.Downup(t);
nodes.Reset();
if (_listener.HasErrors() || types.NumberOfSyntaxErrors > 0)
{
return(null);
}
StringTemplateGroup templates;
using (TextReader fr = new StreamReader(Path.Combine(_templatePath, "ByteCode.stg")))
{
templates = new StringTemplateGroup(fr);
fr.Close();
}
if (_outputAstGraph)
{
DotTreeGenerator dotgen = new DotTreeGenerator();
string dot = dotgen.ToDot(t);
TextWriter tw = new StreamWriter("ast.txt");
tw.WriteLine(dot);
tw.Close();
}
Analyze analyze = new Analyze(nodes, symtab);
analyze.TraceDestination = _traceRedirect;
analyze.Downup(t);
nodes.Reset();
foreach (Compiler.BranchAnalyze.FunctionBranch b in analyze.FunctionBranches.Where(pred => pred.Type != null))
{
if (!b.AllCodePathsReturn())
{
if (_listener != null)
{
_listener.Error("line: " + b.Node.Line + ":" +
b.Node.CharPositionInLine + " " + b.Node.Text + "(): Not all control paths return a value");
}
}
}
if (_listener.HasErrors() || analyze.NumberOfSyntaxErrors > 0)
{
return(null);
}
//
// Bytecode generation
//
Gen g = new Gen(nodes, symtab);
g.TemplateGroup = templates;
g.TraceDestination = _traceRedirect;
Gen.script_return ret = g.script();
if (_listener.HasErrors() || g.NumberOfSyntaxErrors > 0)
{
return(null);
}
if (ret.Template == null)
{
return(null);
}
StringTemplate template = ret.Template;
if (_byteCodeDebugging)
{
_byteCode = template.ToString();
}
//
// Bytecode compilation
//
AssemblerLexer alex = new AssemblerLexer(new ANTLRStringStream(template.ToString()));
CommonTokenStream atokens = new CommonTokenStream(alex);
AssemblerParser ap = new AssemblerParser(atokens);
BytecodeGenerator bcgen = new BytecodeGenerator(Defaults.SystemMethods.Values);
ap.SetGenerator(bcgen);
ap.TraceDestination = _traceRedirect;
try
{
ap.program();
if (_listener.HasErrors() || p.NumberOfSyntaxErrors > 0)
{
_listener.Error(Convert.ToString(ap.NumberOfSyntaxErrors) + " bytecode generation error(s)");
return(null);
}
return(bcgen.Result);
}
catch (GenerationException e)
{
_listener.Error(e.Message);
}
return(null);
}
catch (TooManyErrorsException e)
{
_listener.Error(String.Format("Too many errors {0}", e.InnerException.Message));
}
catch (RecognitionException e)
{
_listener.Error("line: " + e.Line.ToString() + ":" + e.CharPositionInLine.ToString() + " " + e.Message);
}
catch (Exception e)
{
string message = e.Message;
while ((e = e.InnerException) != null)
{
message += "\n" + e.Message;
}
_listener.Error(message);
}
return(null);
}
public CompilerResults compileFromCompilationUnits(CompilerParameters parameters, CompilationUnitNode[] compilationUnits) {
var results = new CompilerResults();
this.context = new CompilerContext(parameters, results);
this.statementValidator = new StatementValidator(this.context);
this.expressionValidator = new ExpressionValidator(this.context);
this.statementValidator.ExpressionValidator = this.expressionValidator;
this.expressionValidator.StatementValidator = this.statementValidator;
this.reachabilityChecker = new ReachabilityChecker(context);
this.assignmentChecker = new AssignmentChecker(context);
this.bytecodeGenerator = new BytecodeGenerator(context);
foreach (var cu in compilationUnits) {
context.CompilationUnits.add(cu);
}
doCompile();
this.context = null;
this.statementValidator = null;
this.expressionValidator = null;
this.reachabilityChecker = null;
this.assignmentChecker = null;
this.queryTranslator = null;
this.documentationBuilder = null;
if (parameters.ProgressTracker != null) {
parameters.ProgressTracker.compilationFinished();
}
return results;
}
public CompilerResults compileFromFiles(CompilerParameters parameters, File[] files) {
var results = new CompilerResults();
this.context = new CompilerContext(parameters, results);
this.statementValidator = new StatementValidator(this.context);
this.expressionValidator = new ExpressionValidator(this.context);
this.statementValidator.ExpressionValidator = this.expressionValidator;
this.expressionValidator.StatementValidator = this.statementValidator;
this.reachabilityChecker = new ReachabilityChecker(context);
this.assignmentChecker = new AssignmentChecker(context);
this.bytecodeGenerator = new BytecodeGenerator(context);
bool tragicError = false;
var buffer = new char[4096];
var sb = new StringBuilder();
var parser = new Parser();
foreach (var file in files) {
sb.setLength(0);
InputStreamReader reader = null;
try {
reader = new InputStreamReader(new FileInputStream(file), Charset.forName("UTF-8"));
int read;
while ((read = reader.read(buffer)) != -1) {
sb.append(buffer, 0, read);
}
var text = new char[sb.length()];
sb.getChars(0, sizeof(text), text, 0);
if (sizeof(text) > 0) {
if (text[sizeof(text) - 1] == '\u001a') {
text[sizeof(text) - 1] = ' ';
}
}
var preprocessor = new Preprocessor(results.codeErrorManager, text);
preprocessor.Filename = file.getAbsolutePath();
preprocessor.Symbols.addAll(parameters.Symbols);
var scanner = new PreprocessedTextScanner(results.codeErrorManager, preprocessor.preprocess());
scanner.Filename = file.getAbsolutePath();
var compilationUnit = parser.parseCompilationUnit(scanner);
if (compilationUnit != null) {
compilationUnit.Symbols = preprocessor.Symbols;
context.CompilationUnits.add(compilationUnit);
}
} catch (CodeErrorException) {
} catch (Exception e) {
e.printStackTrace();
tragicError = true;
break;
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException) {
}
}
}
}
if (!tragicError) {
if (!context.HasErrors) {
if (parameters.ProgressTracker != null) {
parameters.ProgressTracker.compilationStageFinished(CompilationStage.Parsing);
}
doCompile();
}
}
this.context = null;
this.statementValidator = null;
this.expressionValidator = null;
this.reachabilityChecker = null;
this.assignmentChecker = null;
this.queryTranslator = null;
this.documentationBuilder = null;
if (parameters.ProgressTracker != null) {
parameters.ProgressTracker.compilationFinished();
}
return results;
}
public static bool BytecodeGenerator_IsValid(BytecodeGenerator value, out string failReason)
{
failReason = "";
return(true);
}
public JumpTable(BytecodeGenerator bytecode)
{
mBytecode = bytecode;
}
static void Main(string[] args)
{
BytecodeGenerator bytecodeGenerator = new BytecodeGenerator();
Init(bytecodeGenerator);
}
