private static void ParseFile(string fileName, List<Parser.Error> errors)
{
//Console.WriteLine("Parsing " + fileName);
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs, true);
Lexer l = new Lexer(sr);
TokenCollection toks = l.Lex();
Parser p = null;
CompilationUnitNode cu = null;
p = new Parser(fileName);
cu = p.Parse(toks, l.StringLiterals);
TestVisitorVisitor visitor = new TestVisitorVisitor();
// if you forget to override the method 'public override object AcceptVisitor(AbstractVisitor visitor, object data)'
// it will throw an exception
cu.AcceptVisitor(visitor, null);
errors.AddRange(p.Errors);
//Console.WriteLine(toks + "\n\n");
//Console.WriteLine(p.CurrentState + "\n\n");
//StringBuilder sb = new StringBuilder();
//cu.ToSource(sb);
//Console.WriteLine(sb.ToString());
}
private static void ParseFile(string fileName, List<Parser.Error> errors)
{
//Console.WriteLine("Parsing " + fileName);
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs, true);
Lexer l = new Lexer(sr);
TokenCollection toks = l.Lex();
Parser p = null;
CompilationUnitNode cu = null;
p = new Parser(fileName);
cu = p.Parse(toks, l.StringLiterals);
errors.AddRange(p.Errors);
//Console.WriteLine(toks + "\n\n");
//Console.WriteLine(p.CurrentState + "\n\n");
//StringBuilder sb = new StringBuilder();
//cu.ToSource(sb);
//Console.WriteLine(sb.ToString());
}
public static TokenCollection LexDocument(string fileName)
{
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs, true);
Lexer l = new Lexer(sr);
TokenCollection toks = l.Lex();
return toks;
}
public static CompilationUnitNode ParseDocument(string fileName)
{
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs, true);
Lexer l = new Lexer(sr);
TokenCollection toks = l.Lex();
Parser p = new Parser(fileName);
CompilationUnitNode cu = p.Parse(toks, l.StringLiterals);
return cu;
}
public string ParseContent(string content)
{
using (StringReader sr = new StringReader(content))
{
lexer = new Lexer(sr);
TokenCollection tc = lexer.Lex();
parser = new Parser();
rootNode = parser.Parse(tc, lexer.StringLiterals);
return rootNode.AcceptVisitor(visitor, null) as string;
}
}
static void testCode(string code)
{
Lexer lex = new Lexer(new StreamReader(new MemoryStream(
Encoding.UTF8.GetBytes(code))));
TokenCollection tc = lex.Lex();
Parser p = new Parser(string.Empty);
CompilationUnitNode n = p.Parse(tc, lex.StringLiterals);
StringBuilder sb = new StringBuilder();
n.ToSource(sb);
Console.WriteLine(sb.ToString());
}
public System.IO.Stream Builder(System.IO.Stream stream)
{
CodeDomProvider proider = new Microsoft.CSharp.CSharpCodeProvider();
System.IO.StringWriter sw = new System.IO.StringWriter();
Console.SetOut(sw);
Console.SetError(sw);
// CSharpParser p = new CSharpParser(null, stream, null);
System.IO.Stream result = new System.IO.MemoryStream();
System.IO.StreamWriter writer = new System.IO.StreamWriter(result, Encoding.UTF8);
CompilationUnitNode unit = null;
using (System.IO.StreamReader sr = new StreamReader(stream, Encoding.UTF8))
{
Lexer lexer = new Lexer(sr);
TokenCollection tc = lexer.Lex();
Parser parser = new Parser();
unit = parser.Parse(tc, lexer.StringLiterals);
}
if (unit != null)
{
try
{
Microsoft.CSharp.CSharpCodeProvider csp = new Microsoft.CSharp.CSharpCodeProvider();
foreach (UsingDirectiveNode item in unit.DefaultNamespace.UsingDirectives)
{
mEntityUnit.DefaultNamespace.UsingDirectives.Add(item);
}
foreach (NamespaceNode cn in unit.Namespaces)
{
BuilderNameSpace(cn, unit);
}
StringBuilder sb = new StringBuilder();
mEntityUnit.ToSource(sb);
writer.Write(sb.ToString());
}
catch (Exception e_)
{
writer.WriteLine(e_.Message + e_.StackTrace);
}
writer.Flush();
}
return result;
}
private static CompilationUnitNode ParseUnit(string fileName, List<Parser.Error> errors)
{
Console.Write("\nParsing " + fileName);
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs, true);
Lexer l = new Lexer(sr);
TokenCollection toks = l.Lex();
Parser p = null;
CompilationUnitNode cu = null;
p = new Parser(fileName);
cu = p.Parse(toks, l.StringLiterals);
if (p.Errors.Count != 0)
{
Console.WriteLine();
PrintErrors(p.Errors);
errors.AddRange(p.Errors);
return null;
}
return cu;
}
/// <summary>
/// Invokes the parser. Signals the wait event supplied to the c'tor if parser has finished.
/// </summary>
/// <remarks>
/// This method assumes that it will be executed in a separate thread that may be aborted
/// by the calling thread. Takes care of the two different error conditions: Parser itself
/// may throw an exception or thread is being aborted.
/// </remarks>
public void Parse()
{
try
{
try
{
Lexer l = new Lexer(rd);
TokenCollection toks = l.Lex();
Parser p = new Parser(filename);
_result = p.Parse(toks, l.StringLiterals);
_errors = p.Errors;
}
catch (Exception exc) // Exception thrown by parser -> save
{ // it (calling thread will rethrow this).
_exc = exc;
}
finally // Ensure signalling wait event, we are done (no
{ // matter whether errors/exceptions occured or not).
wait.Set();
}
}
catch (ThreadAbortException) // Thread that this method is running in was aborted
{ // by calling thread (because of a timeout) -> prevent
Thread.ResetAbort(); // ThreadAbortException from being rethrown (see MSDN).
}
}
