public SymbolTable(SymbolTable parentTable, Scope scope)
{
m_parentTable = parentTable;
switch (m_scope = scope)
{
case Scope.Global:
StaticSet = new HashSet <StaticSymbol>();
InitSymbol = ArgsSymbol = null;
break;
case Scope.Struct:
case Scope.Union:
m_currentOffset = 0;
break;
case Scope.Function:
m_currentOffset = FunctionHeaderSize;
break;
case Scope.Block:
m_currentOffset = m_parentTable.m_currentOffset;
break;
}
}
public static void CompileSourceFile(FileInfo file)
{
FileInfo sourceFile = new FileInfo(file.FullName + ".c");
Preprocessor preprocessor = new Preprocessor(sourceFile);
GenerateIncludeFile(file, preprocessor.IncludeSet);
FileInfo pFile = new FileInfo(file.FullName + ".p");
StreamWriter pWriter = new StreamWriter(pFile.FullName);
pWriter.Write(preprocessor.PreprocessedCode);
pWriter.Close();
byte[] byteArray =
Encoding.ASCII.GetBytes(preprocessor.PreprocessedCode);
MemoryStream memoryStream = new MemoryStream(byteArray);
CCompiler_Main.Scanner scanner =
new CCompiler_Main.Scanner(memoryStream);
try {
SymbolTable.CurrentTable = new SymbolTable(null, Scope.Global);
//CCompiler_Main.Scanner.Path = sourceFile;
CCompiler_Main.Scanner.Line = 2000;
CCompiler_Main.Parser parser = new CCompiler_Main.Parser(scanner);
Assert.Error(parser.Parse(), Message.Syntax_error);
}
catch (IOException ioException) {
Assert.Error(false, ioException.StackTrace, Message.Syntax_error);
}
if (Start.Linux)
{
ISet <string> totalExternSet = new HashSet <string>();
foreach (StaticSymbol staticSymbol in SymbolTable.StaticSet)
{
StaticSymbolLinux staticSymbolLinux =
(StaticSymbolLinux)staticSymbol;
totalExternSet.UnionWith(staticSymbolLinux.ExternSet);
}
foreach (StaticSymbol staticSymbol in SymbolTable.StaticSet)
{
totalExternSet.Remove(staticSymbol.UniqueName);
}
FileInfo assemblyFile = new FileInfo(file.FullName + ".asm");
File.Delete(assemblyFile.FullName);
StreamWriter streamWriter = new StreamWriter(assemblyFile.FullName);
foreach (StaticSymbol staticSymbol in SymbolTable.StaticSet)
{
if (!staticSymbol.UniqueName.Contains(Symbol.SeparatorId) &&
!staticSymbol.UniqueName.Contains(Symbol.NumberId))
{
streamWriter.WriteLine("\tglobal " + staticSymbol.UniqueName);
}
}
streamWriter.WriteLine();
foreach (string externName in totalExternSet)
{
streamWriter.WriteLine("\textern " + externName);
}
if (SymbolTable.InitSymbol != null)
{
streamWriter.WriteLine("\tglobal _start");
streamWriter.WriteLine("\tglobal " + Linker.StackStart);
}
else
{
streamWriter.WriteLine("\textern " + Linker.StackStart);
}
streamWriter.WriteLine();
foreach (StaticSymbol staticSymbol in SymbolTable.StaticSet)
{
StaticSymbolLinux staticSymbolLinux =
(StaticSymbolLinux)staticSymbol;
streamWriter.WriteLine();
foreach (string line in staticSymbolLinux.TextList)
{
streamWriter.WriteLine(line);
}
}
if (SymbolTable.InitSymbol != null)
{
streamWriter.WriteLine();
streamWriter.WriteLine("section .data");
streamWriter.WriteLine(Linker.StackStart + ":\ttimes 1048576 db 0");
}
streamWriter.Close();
}
if (Start.Windows)
{
FileInfo objectFile = new FileInfo(file.FullName + ".obj");
BinaryWriter binaryWriter =
new BinaryWriter(File.Open(objectFile.FullName, FileMode.Create));
binaryWriter.Write(SymbolTable.StaticSet.Count);
foreach (StaticSymbol staticSymbol in SymbolTable.StaticSet)
{
staticSymbol.Write(binaryWriter);
}
binaryWriter.Close();
}
}
