private static void emitByte(byte byte_)
{
Chunk_t _chunk = currentChunk();
Chunk.writeChunk(ref _chunk, byte_, parser.previous.line);
current.function.chunk = _chunk; // workaround
}
public static int addConstant(ref Chunk_t chunk, Value_t value)
{
VM.push(value);
Value.writeValueArray(ref chunk.constants, value);
VM.pop();
return(chunk.constants.count - 1);
}
public static void initChunk(ref Chunk_t chunk)
{
chunk.count = 0;
chunk.capacity = 0;
chunk.code = null;
chunk.lines = null;
Value.initiValueArray(ref chunk.constants);
}
public static void freeChunk(ref Chunk_t chunk)
{
Memory.FREE_ARRAY <byte>(typeof(byte), ref chunk.code, chunk.capacity);
Memory.FREE_ARRAY <int>(typeof(int), ref chunk.lines, chunk.capacity);
Value.freeValueArray(ref chunk.constants);
initChunk(ref chunk);
}
private static byte makeConstant(Value_t value)
{
Chunk_t _chunk = currentChunk();
int constant = Chunk.addConstant(ref _chunk, value);
if (constant > byte.MaxValue)
{
error("Too many constant in one chunk.");
return(0);
}
current.function.chunk = _chunk; // work around
return((byte)constant);
}
public static void writeChunk(ref Chunk_t chunk, byte byte_, int line)
{
if (chunk.capacity < chunk.count + 1)
{
int oldCapacity = chunk.capacity;
chunk.capacity = Memory.GROW_CAPACITY(oldCapacity);
chunk.code = (byte[])Memory.GROW_ARRAY <byte>(ref chunk.code, typeof(byte), oldCapacity, chunk.capacity);
chunk.lines = (int[])Memory.GROW_ARRAY <int>(ref chunk.lines, typeof(int), oldCapacity, chunk.capacity);
}
chunk.code[chunk.count] = byte_;
chunk.lines[chunk.count] = line;
chunk.count++;
}
private static ObjFunction endCompiler()
{
emitReturn();
ObjFunction function = current.function;
#if DEBUG_PRINT_CODE
if (!parser.hadError)
{
Chunk_t _chunk = currentChunk();
Debug.disassembleChunk(ref _chunk, function.name != null ? function.name.chars : "<script>".ToCharArray());
}
#endif
current = current.enclosing;
return(function);
}
public static void writeChunk(ref Chunk_t chunk, OpCode opcode, int line)
{
writeChunk(ref chunk, (byte)opcode, line);
}