public void WriteStrings()
{
// build the list of unique strings
var strings = new SortedList <string, bool>();
foreach (var offset in mPatcher.Offsets)
{
if (!strings.ContainsKey(offset.Key))
{
strings.Add(offset.Key, false);
}
}
// write the string table
OffsetTable patcher = new OffsetTable(mWriter);
foreach (string s in strings.Keys)
{
mPatcher.DefineOffset(s);
mWriter.Write(Encoding.UTF8.GetBytes(s));
mWriter.Write(0);
}
mPatcher.PatchOffsets();
}
private BytecodeGenerator(Compiler compiler, BinaryWriter writer,
OffsetTable functionPatcher, StringTable stringTable)
{
mCompiler = compiler;
mWriter = writer;
mFunctionPatcher = functionPatcher;
mStrings = stringTable;
mJumpTable = new JumpTable(this);
}
public void Save(Stream outputStream)
{
// save the file
var writer = new BinaryWriter(outputStream, Encoding.UTF8);
var funcPatcher = new OffsetTable(writer);
var strings = new StringTable(writer);
var exportTable = new OffsetTable(writer);
// magic number
writer.Write(Encoding.ASCII.GetBytes(new char[] { 'p', 'i', 'e', '!' }));
// version
writer.Write(new byte[] { 0, 0, 0, 0 });
// export table
// number of exported functions
//### bob: hack temp. exports all functions
int numFunctions = mCompiler.Functions.Functions.Count();
writer.Write(numFunctions);
foreach (Function function in mCompiler.Functions.Functions)
{
string uniqueName = function.UniqueName();
strings.InsertOffset(uniqueName);
exportTable.InsertOffset(uniqueName);
}
// code section
foreach (Function function in mCompiler.Functions.Functions)
{
string uniqueName = function.UniqueName();
exportTable.DefineOffset(uniqueName);
BytecodeGenerator.Generate(mCompiler, writer, funcPatcher, strings, function);
}
// now wire up all of the function offsets to each other
funcPatcher.PatchOffsets();
exportTable.PatchOffsets();
// strings
strings.WriteStrings();
}
public void Save(Stream outputStream)
{
// save the file
var writer = new BinaryWriter(outputStream, Encoding.UTF8);
var funcPatcher = new OffsetTable(writer);
var strings = new StringTable(writer);
var exportTable = new OffsetTable(writer);
// magic number
writer.Write(Encoding.ASCII.GetBytes(new char[] { 'p', 'i', 'e', '!' }));
// version
writer.Write(new byte[] { 0, 0, 0, 0 });
// export table
// number of exported functions
//### bob: hack temp. exports all functions
int numFunctions = mCompiler.Functions.Functions.Count();
writer.Write(numFunctions);
foreach (Function function in mCompiler.Functions.Functions)
{
string uniqueName = function.UniqueName();
strings.InsertOffset(uniqueName);
exportTable.InsertOffset(uniqueName);
}
// code section
foreach (Function function in mCompiler.Functions.Functions)
{
string uniqueName = function.UniqueName();
exportTable.DefineOffset(uniqueName);
BytecodeGenerator.Generate(mCompiler, writer, funcPatcher, strings, function);
}
// now wire up all of the function offsets to each other
funcPatcher.PatchOffsets();
exportTable.PatchOffsets();
// strings
strings.WriteStrings();
}
public void WriteStrings()
{
// build the list of unique strings
var strings = new SortedList<string, bool>();
foreach (var offset in mPatcher.Offsets)
{
if (!strings.ContainsKey(offset.Key)) strings.Add(offset.Key, false);
}
// write the string table
OffsetTable patcher = new OffsetTable(mWriter);
foreach (string s in strings.Keys)
{
mPatcher.DefineOffset(s);
mWriter.Write(Encoding.UTF8.GetBytes(s));
mWriter.Write(0);
}
mPatcher.PatchOffsets();
}
public static void Generate(Compiler compiler, BinaryWriter writer,
OffsetTable functionPatcher, StringTable stringTable, Function function)
{
BytecodeGenerator generator = new BytecodeGenerator(compiler,
writer, functionPatcher, stringTable);
functionPatcher.DefineOffset(function.UniqueName());
//### bob: hack temp
if (compiler.FunctionStarted != null)
{
compiler.FunctionStarted(function.UniqueName(), writer.BaseStream.Position);
}
writer.Write(function.NumLocals);
function.Body.Bound.Accept(generator);
generator.TranslateTailCall();
generator.Write(OpCode.Return);
}
public StringTable(BinaryWriter writer)
{
mWriter = writer;
mPatcher = new OffsetTable(mWriter);
}
public StringTable(BinaryWriter writer)
{
mWriter = writer;
mPatcher = new OffsetTable(mWriter);
}
