public static void Main(string[] args)
{
if (args.Length > 0)
{
string inputFileName = args[0];
if (!Path.IsPathRooted(inputFileName))
{
inputFileName = Path.Combine(Environment.CurrentDirectory, inputFileName);
}
ICharStream input = new ANTLRFileStream(inputFileName);
CLexer lex = new CLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
CParser parser = new CParser(tokens);
try {
parser.translation_unit();
}
catch (RecognitionException re) {
Console.Out.WriteLine(re.StackTrace);
}
}
else
{
Console.Error.WriteLine("Usage: cparse <input-file>");
}
}
public void Chl_Address_Attribute()
{
var file = Given_File(
@"[[reko::address(""0123:4567"")]] int foo(char * bar);
");
var sc = new ServiceContainer();
var arch = new Mock <IProcessorArchitecture>();
var platform = new Mock <IPlatform>();
arch.Setup(a => a.MemoryGranularity).Returns(8);
platform.Setup(p => p.PointerType).Returns(PrimitiveType.Ptr32);
platform.Setup(p => p.GetBitSizeFromCBasicType(CBasicType.Int)).Returns(32);
platform.Setup(p => p.Architecture).Returns(arch.Object);
platform.Setup(p => p.CreateCParser(It.IsAny <TextReader>(), It.IsAny <ParserState>()))
.Returns(new Func <TextReader, ParserState, CParser>((r, s) =>
{
var lex = new CLexer(r, CLexer.StdKeywords);
return(new CParser(s ?? new ParserState(), lex));
}));
var addr = Address.SegPtr(0123, 4567);
platform.Setup(p => p.TryParseAddress("0123:4567", out addr)).Returns(true);
var chl = new CHeaderLoader(sc, ImageLocation.FromUri("file:foo.inc"), file);
var typelib = chl.Load(platform.Object, new TypeLibrary());
Assert.IsTrue(typelib.Procedures.TryGetValue(addr, out var proc));
Assert.AreEqual(proc.Name, "foo");
Assert.AreEqual(proc.Signature.ToString(), "(fn void ())");
}
public void Dfa2_UserDefinedStackArgs()
{
var arch = new X86ArchitectureFlat32(new ServiceContainer(), "x86-protected-32", new Dictionary <string, object>());
var pb = new ProgramBuilder(arch);
var test = pb.Add(
new UserProcedure(pb.NextAddress(), "test")
{
CSignature = "void test(int a, int b)"
},
m => {
var r1 = m.Reg32("r1", 1);
var r2 = m.Reg32("r2", 2);
var fp = m.Frame.FramePointer;
m.Assign(r1, m.Mem32(m.IAdd(fp, 4)));
m.Assign(r2, m.Mem32(m.IAdd(fp, 8)));
m.Assign(r1, m.IAdd(r1, r2));
m.MStore(m.Ptr32(0x010008), r1);
m.Return();
});
var program = pb.BuildProgram();
var platform = new Mock <IPlatform>();
platform.Setup(p => p.Architecture).Returns(arch);
platform.Setup(p => p.IsImplicitArgumentRegister(It.IsAny <RegisterStorage>()))
.Returns(false);
platform.Setup(p => p.DefaultCallingConvention).Returns("__cdecl");
platform.Setup(p => p.GetCallingConvention(null))
.Returns(new X86CallingConvention(4, 4, 4, true, false));
platform.Setup(p => p.GetBitSizeFromCBasicType(CBasicType.Int)).Returns(32);
platform.Setup(p => p.PointerType).Returns(PrimitiveType.Ptr32);
platform.Setup(p => p.CreateCParser(It.IsAny <TextReader>(), It.IsAny <ParserState>()))
.Returns(new Func <TextReader, ParserState, CParser>((r, s) =>
{
var lex = new CLexer(r, CLexer.MsvcKeywords);
return(new CParser(s ?? new ParserState(), lex));
}));
var dynamicLinker = new Mock <IDynamicLinker>().Object;
program.Platform = platform.Object;
var usb = new UserSignatureBuilder(program);
usb.BuildSignatures(new FakeDecompilerEventListener());
var dfa = new DataFlowAnalysis(program, dynamicLinker, sc);
dfa.AnalyzeProgram();
var sExp = @"// test
// Return size: 4
void test(int32 a, int32 b)
test_entry:
// succ: l1
l1:
Mem6[0x00010008<p32>:word32] = a + b
return
// succ: test_exit
test_exit:
";
AssertProgram(sExp, pb.Program);
}
public ProcedureBase_v1 ParseFunctionDeclaration(string fnDecl)
{
try {
var lexer = new CLexer(new StringReader(fnDecl + ";"));
var symbols = program.CreateSymbolTable();
var oldProcs = symbols.Procedures.Count;
var cstate = new ParserState(symbols.NamedTypes.Keys);
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
if (decl == null)
{
return(null);
}
//$HACK: Relying on a side effect here to
// get both the procedure name and the signature. Ew.
symbols.AddDeclaration(decl);
if (symbols.Procedures.Count == oldProcs)
{
return(null);
}
return(symbols.Procedures.Last());
}
catch (Exception ex)
{
//$TODO: if user has supplied a signature that can't parse,
// we must notify them in the diagnostics window with a
// WARNING.
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return(null);
}
}
public void Convert()
{
var lexer = new CLexer(rdr);
var parser = new CParser(parserState, lexer);
var declarations = parser.Parse();
var symbolTable = new SymbolTable(platform)
{
NamedTypes = {
{ "off_t", new PrimitiveType_v1 { Domain = Domain.SignedInt, ByteSize = 4 } }, //$BUGBUG: arch-dependent!
{ "ssize_t", new PrimitiveType_v1 { Domain = Domain.SignedInt, ByteSize = 4 } }, //$BUGBUG: arch-dependent!
{ "size_t", new PrimitiveType_v1 { Domain = Domain.UnsignedInt, ByteSize = 4 } }, //$BUGBUG: arch-dependent!
{ "va_list", new PrimitiveType_v1 { Domain = Domain.Pointer, ByteSize = platform.PointerType.Size } }
}
};
foreach (var decl in declarations)
{
symbolTable.AddDeclaration(decl);
}
var lib = new SerializedLibrary
{
Types = symbolTable.Types.ToArray(),
Procedures = symbolTable.Procedures.ToList(),
};
var ser = SerializedLibrary.CreateSerializer();
ser.Serialize(writer, lib);
}
public void displayProgram(string program)
{
double currY = 10;
this.drawingCanvas.Children.Clear();
this.drawingCanvas.Height = 0;
this.drawingCanvas.Width = 0;
this.deltaWidth = 0;
this.deltaHeight = 0;
this.moveX = 0;
try
{
CToken[] tokens = CLexer.parseTokens(program);
foreach (CGrammar.CFunctionDefinition matchedFunction in CParser.CGrammar.CParser.getFunctionContents(tokens))
{
drawGraph(matchedFunction, 0, currY);
currY += matchedFunction.height + 60;
}
}
catch (System.ArgumentException exc)
{
System.Windows.MessageBox.Show("There is an error in your source code: " + exc.Message);
}
catch (System.InvalidOperationException exc)
{
System.Windows.MessageBox.Show("There is an error in your source code: " + exc.Message);
}
catch
{
System.Windows.MessageBox.Show("An unexpected error occured!");
}
}
public void Compile()
{
using (var fileStream = new StreamReader(_stream))
{
var inputStream = new AntlrInputStream(fileStream);
var lexer = new CLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new CParser(tokenStream);
var compilationUnit = parser.compilationUnit();
if (parser.NumberOfSyntaxErrors == 0 && compilationUnit != null)
{
var preBuilder = new CPreBuilder(
_fileName,
compilationUnit);
var cilCodeGenerator = new CILCodeGenerator(preBuilder);
cilCodeGenerator.Generate();
if (File.Exists(preBuilder.ProgramFileName))
{
OutputFileName = preBuilder.ProgramFileName;
}
}
}
}
public GlobalDataItem_v2?ParseGlobalDeclaration(string txtGlobal)
{
try
{
var lexer = new CLexer(new StringReader(txtGlobal + ";"), CLexer.GccKeywords); //$REVIEW: what's the right thing?
var symbols = program.CreateSymbolTable();
var oldVars = symbols.Variables.Count;
var cstate = new ParserState(symbols);
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
if (decl == null)
{
return(null);
}
//$HACK: Relying on a side effect here to
// get both the global type. Ew.
symbols.AddDeclaration(decl);
if (symbols.Variables.Count == oldVars)
{
return(null);
}
return(symbols.Variables.Last());
}
catch (Exception ex)
{
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return(null);
}
}
public override CParser CreateCParser(TextReader rdr, ParserState?state)
{
state ??= new ParserState();
var lexer = new CLexer(rdr, CLexer.MsvcKeywords);
var parser = new CParser(state, lexer);
return(parser);
}
private CommonTokenStream GetCommonTokenStream(AntlrInputStream inputStream)
{
CLexer lexer = new CLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
commonTokenStream.Fill();
return(commonTokenStream);
}
private void Given_Parser(string cText)
{
var state = new ParserState();
var lexer = new CLexer(new StringReader(cText), CLexer.MsvcKeywords);
var cparser = new CParser(state, lexer);
var attr = cparser.Parse_AttributeSpecifier();
this.sap = new ServiceAttributeParser(attr);
}
public CILexer(IBuffer buffer)
{
Buffer = buffer;
ICharStream iCharStream = new AntlrInputStream(buffer.GetText());
antlrLexer = new CLexer(iCharStream);
IList <IToken> tokens = antlrLexer.GetAllTokens();
CurrentPosition = 0;
}
public void TestHasMoreTokensReturnsValueFromTokenizer()
{
var m = new Mock <ITokenizer <TokenType> >();
m.SetupGet(t => t.HasMoreTokens).Returns(true);
var l = new CLexer(m.Object);
Assert.That(l.HasMoreTokens, Is.True);
}
public void TestNextTokenReturnsValidToken()
{
var m = new Mock <ITokenizer <TokenType> >();
m.Setup(t => t.GetNextToken(It.IsAny <bool>())).Returns(new Token <TokenType>());
var l = new CLexer(m.Object);
var token = l.GetNextToken();
Assert.That(token, Is.Not.Null);
}
public void TestSkipToNextLine()
{
var m = new Mock <ITokenizer <TokenType> >();
m.Setup(t => t.SkipToNextLine());
var l = new CLexer(m.Object);
l.SkipToNextLine();
m.Verify(t => t.SkipToNextLine());
}
public CToken(string tokenCode, int lineIndex = -1, int startSymIndex = -1)
{
this.tokenCode = tokenCode;
if (CLexer.tokenExists(tokenCode))
{
this.tokenType = CLexer.getTokenType(tokenCode);
}
this.lineNumber = lineIndex;
this.startSym = startSymIndex;
}
public void TestPushToken()
{
var token = CToken.Create(new Token <TokenType>());
var m = new Mock <ITokenizer <TokenType> >();
var l = new CLexer(m.Object);
l.PushToken(token);
var otherToken = l.GetNextToken();
Assert.That(otherToken, Is.EqualTo(token));
}
public void ParseC() {
var inputStream = new AntlrInputStream(@"
int main(int argc, char **args) {
printf(args[0]);
return 0;
}");
var lexer = new CLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new CParser(commonTokenStream);
var visitor = new CstBuilderForAntlr4(parser);
visitor.Visit(parser.compilationUnit());
Console.WriteLine(visitor.FinishParsing());
}
public CParser CreateParser(string code)
{
ICharStream stream = CharStreams.fromstring(code);
var lexer = new CLexer(stream);
lexer.AddErrorListener(new ThrowExceptionErrorListener());
ITokenStream tokens = new CommonTokenStream(lexer);
var parser = new CParser(tokens);
parser.BuildParseTree = true;
parser.RemoveErrorListeners();
parser.AddErrorListener(new ThrowExceptionErrorListener());
return(parser);
}
public void ParseC()
{
var inputStream = new AntlrInputStream(@"
int main(int argc, char **args) {
printf(args[0]);
return 0;
}");
var lexer = new CLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new CParser(commonTokenStream);
var visitor = new CstBuilderForAntlr4(parser);
visitor.Visit(parser.compilationUnit());
Console.WriteLine(visitor.FinishParsing());
}
public override TypeLibrary Load(IPlatform platform, TypeLibrary dstLib)
{
var rdr = new StreamReader(new MemoryStream(bytes));
var lexer = new CLexer(rdr);
var state = new ParserState();
var parser = new CParser(state, lexer);
var symbolTable = new SymbolTable(platform);
var declarations = parser.Parse();
var tldser = new TypeLibraryDeserializer(platform, true, dstLib);
foreach (var decl in declarations)
{
ProcessDeclaration(decl, platform, tldser, symbolTable);
}
return(dstLib);
}
public void Setup()
{
this.mockFactory = new CommonMockFactory();
var platform = mockFactory.CreateMockPlatform();
platform.Setup(p => p.CreateCParser(It.IsAny <TextReader>(), It.IsAny <ParserState>()))
.Returns(new Func <TextReader, ParserState, CParser>((r, s) =>
{
var lex = new CLexer(r, CLexer.MsvcKeywords);
return(new CParser(s ?? new ParserState(), lex));
}));
this.program = new Program
{
Platform = platform.Object,
Architecture = platform.Object.Architecture,
};
}
public override void Parse(FileInfo file)
{
Lexer lexer = new CLexer(CharStreams.fromPath(file.FullName));
CommonTokenStream tokens = new CommonTokenStream(lexer);
CParser parser = new CParser(tokens);
ParserRuleContext context = parser.compilationUnit();
var children = context.children;
foreach (IParseTree child in children)
{
this.ParseNode(child);
}
}
public void TextEquals(string beforePP, string afterPP)
{
var expectLexer = new CLexer(afterPP);
var pp = new CPreProcessor(new CLexer(beforePP))
.DefineCounter();
while (true)
{
var expected = expectLexer.Next();
var got = pp.Next();
Assert.Equal(expected.Kind, got.Kind);
Assert.Equal(expected.LogicalText, got.LogicalText);
if (expected.Kind == CTokenType.End)
{
break;
}
}
}
static void Main(string[] args)
{
var sourceCode = @"
#define FOO(x, y) x ## y
FOO(L, ""asd"")
";
var lexer = new CLexer(sourceCode);
var pp = new CPreProcessor(lexer);
while (true)
{
var token = pp.Next();
if (token.Kind == CTokenType.End)
{
break;
}
Console.WriteLine(token.LogicalText);
}
}
public string Tokenize(string fileContent)
{
AntlrInputStream inputStream = new AntlrInputStream(fileContent);
CLexer lexer = new CLexer(inputStream);
Antlr4.Runtime.CommonTokenStream tokenStream = new Antlr4.Runtime.CommonTokenStream(lexer);
tokenStream.Fill();
string result = "";
IList <Antlr4.Runtime.IToken> tokens = tokenStream.GetTokens();
foreach (var token in tokens)
{
result += (token.Type == CLexer.Identifier) ? "ID" : token.Text;
}
result = result.Replace("<EOF>", "");
return(result);
}
private static void Main(string[] args)
{
var lex = new CLexer(new AntlrInputStream(Input));
var tokens = new CommonTokenStream(lex);
var par = new CParser(tokens);
var ctx = par.namespaceDeclaration();
var child = ctx.GetChild <CParser.ClassDeclarationContext>(0);
var walker = new ParseTreeWalker();
walker.Walk(new ParseTreeListenerEmpty(), ctx);
var c = par.compileUnit();
var s = c.ToStringTree();
/*
* MyPascalParser.myprogram_return X = g.myprogram();
* Console.WriteLine(X.Tree); // Writes: nill
* Console.WriteLine(X.Start); // Writes: [@0,0:4='begin',<4>,1:0]
* Console.WriteLine(X.Stop); // Writes: [@35,57:57='end',<19>,12:2]
*/
}
public void MyParseMethod()
{
MyCListener myCListener = new MyCListener();
String input = "int x = 4;";
AntlrInputStream stream = new AntlrInputStream(input);
ITokenSource lexer = new CLexer(stream);
ITokenStream tokens = new CommonTokenStream(lexer);
CParser parser = new CParser(tokens);
parser.BuildParseTree = true;
//IParseTree tree = parser.primaryExpression();
IParseTree tree = parser.compilationUnit();
//Console.WriteLine(tree.ToStringTree());
ParseTreeWalker parseTreeWalker = new ParseTreeWalker();
parseTreeWalker.Walk(myCListener, tree);
for (int i = 0; i < myCListener.typeList.Count(); i++)
{
Console.WriteLine(myCListener.typeList[i]);
}
}
public string Compile(ICharStream cSource)
{
CLexer lexer = new CLexer(cSource);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CParser parser = new CParser(tokens);
parser.RemoveErrorListeners();
parser.AddErrorListener(this);
try
{
CParser.CompilationUnitContext compilationUnit = parser.compilationUnit();
ParseTreeWalker walker = new ParseTreeWalker();
walker.Walk(this, compilationUnit);
string idents = "";
foreach (CIdentifier ident in CIdentifier.FileScopeIdentifiers)
{
if (ident.Name.Equals("main"))
{
idents = ident.Emit() + idents;
}
else
{
idents += ident.Emit();
}
}
return(idents);
}
catch (SemanticException e)
{
m_outStream.WriteLine("Compilation Failed: " + e.Message);
return(null);
}
}
public ProcedureSignature BuildSignature(string str, Frame frame)
{
try {
var lexer = new CLexer(new StringReader(str + ";"));
var cstate = new ParserState();
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
var sSig = symbolTable.AddDeclaration(decl)
.OfType <SerializedSignature>()
.FirstOrDefault();
if (sSig == null)
{
return(null);
}
var ser = program.Platform.CreateProcedureSerializer();
return(ser.Deserialize(sSig, frame));
}
catch (Exception ex)
{
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return(null);
}
}
public override TypeLibrary Load(IPlatform platform, TypeLibrary dstLib)
{
var rdr = new StreamReader(stream);
var lexer = new CLexer(rdr, CLexer.StdKeywords);
var state = new ParserState();
var parser = new CParser(state, lexer);
var symbolTable = CreateSymbolTable(platform, dstLib);
var declarations = parser.Parse();
foreach (var decl in declarations)
{
symbolTable.AddDeclaration(decl);
}
var slib = new SerializedLibrary
{
Types = symbolTable.Types.ToArray(),
Procedures = symbolTable.Procedures.ToList(),
};
var tldser = new TypeLibraryDeserializer(platform, true, dstLib);
var tlib = tldser.Load(slib);
return(tlib);
}
public static void Main(string[] args)
{
if (args.Length > 0)
{
string inputFileName = args[0];
if (!Path.IsPathRooted(inputFileName))
{
inputFileName = Path.Combine(Environment.CurrentDirectory, inputFileName);
}
ICharStream input = new ANTLRFileStream(inputFileName);
CLexer lex = new CLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
CParser parser = new CParser(tokens);
try {
parser.translation_unit();
}
catch(RecognitionException re) {
Console.Out.WriteLine(re.StackTrace);
}
}
else
Console.Error.WriteLine("Usage: cparse <input-file>");
}
do_parse
(
string Declaration
)
{
//
// Declare the various streams of characters and tokens for parsing the input
//
AntlrInputStream input_stream = new AntlrInputStream(Declaration); // Create a stream that reads from the input source
CLexer lexer = new CLexer(input_stream); // Create a lexer that feeds off of the input stream
CommonTokenStream tokens = new CommonTokenStream(lexer); // Create a buffer of tokens pulled from the lexer
CParser parser = new CParser(tokens); // Create a parser that feeds off of the token buffer
ParserRuleContext tree = parser.compilationUnit(); // Call the compilationUnit rule in the grammar to build a parse tree from the input
C_Listener_Overrides my_listeners = new C_Listener_Overrides(); // Instantiate my listener override functions so they can be used by ParseTreeWalker
//
// Call all the listeners
//
ParseTreeWalker.Default.Walk(my_listeners, tree);
return(my_listeners.function_def);
} // End parse_declaration
private void Lex(string str)
{
this.lex = new CLexer(new StringReader(str));
}
private void Lex(string str)
{
lexer = new CLexer(new StringReader(str));
parser = new CParser(parserState, lexer);
}
private void CreateLexer(string text)
{
parserState = new ParserState();
lexer = new CLexer(new StringReader(text));
}