Delete ByteCode.cs

To seperate process: 1) into asm 2) into bytecode
This commit is contained in:
Alex Vanin 2015-02-18 12:34:57 +08:00
parent 64c9c01371
commit b1eceec1d2

View file

@ -1,456 +0,0 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace CompilerVVM
{
class pair
{
public int start;
public int end;
public pair(int one, int two)
{
start = one;
end = two;
}
}
class str_header
{
public byte[] signature
{ get; set; }
public int version
{ get; set; }
public int const_count
{ get; set; }
public int size_const
{ get; set; }
public str_header()
{
signature = new byte[2];
signature[0] = 0xBA;
signature[1] = 0xBA;
version = 0100;
}
public byte[] Serialize()
{
using (MemoryStream m = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(m))
{
writer.Write(signature);
writer.Write(version);
writer.Write(const_count);
writer.Write(size_const);
}
return m.ToArray();
}
}
}
class funcH_common
{
public ushort start_id
{ get; set; }
public int count_of_funcs
{ get; set; }
public funcH_common(ushort id, int count)
{
start_id = id;
count_of_funcs = count;
}
public byte[] Serialize()
{
using (MemoryStream m = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(m))
{
writer.Write(start_id);
writer.Write(count_of_funcs);
}
return m.ToArray();
}
}
}
class funcH_signature
{
public int size_func
{ get; set; }
public int size_bytecode
{ get; set; }
public int size_signature
{ get; set; }
public byte[] Serialize()
{
using (MemoryStream m = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(m))
{
writer.Write(size_func);
writer.Write(size_bytecode);
writer.Write(size_signature);
}
return m.ToArray();
}
}
}
class funcH_bytecode
{
public ushort id
{ get; set; }
public int count_locals
{ get; set; }
public int count_args
{ get; set; }
public byte[] Serialize()
{
using (MemoryStream m = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(m))
{
writer.Write(id);
writer.Write(count_locals);
writer.Write(count_args);
}
return m.ToArray();
}
}
public funcH_bytecode()
{
count_locals = 0;
count_args = 0;
}
}
public class ByteCode
{
public static void GenerateByteCode(string[] code, string outname)
{
Dictionary<int, string> ConstID_VALUE = new Dictionary<int, string>();
Dictionary<string, int> ConstKEY_ID = new Dictionary<string, int>();
Dictionary<string, int> CodeMARK_POS = new Dictionary<string, int>();
List<pair> FuncPos = new List<pair>();
int[] pos_d = new int[2] { 0, 0 };
string[] source = code;
List<string> src = PositionAnalyse(source, ref pos_d, ref FuncPos, ref CodeMARK_POS);
using (var bw = new BinaryWriter(File.Open(outname, FileMode.OpenOrCreate)))
{
HeaderAnalyse(src, pos_d, bw, ref ConstID_VALUE, ref ConstKEY_ID);
funcH_common FuncCommonH = new funcH_common(CRC16_alg("main"), FuncPos.Count);
bw.Write(FuncCommonH.Serialize());
for (int i = 0; i < FuncPos.Count; i++)
{
FuncAnalyse(src, FuncPos[i], bw, ConstKEY_ID, CodeMARK_POS);
}
}
}
private static List<string> PositionAnalyse(string[] input, ref int[] posD, ref List<pair> posC, ref Dictionary<string, int> marks)
{
List<string> src = new List<string>();
bool func_flag = false;
int pos1 = 0, pos2 = 0, numline = 0;
foreach (string s in input)
if (s != "")
{
if (func_flag == true && Regex.IsMatch(s, @"\w+:"))
{
marks.Add(s.Trim(' ', '\t', ':'), numline);
}
else
{
src.Add(s.Trim(' ', '\t'));
if (s.Contains(".data"))
posD[0] = src.Count - 1;
if (s.Contains(".endd"))
posD[1] = src.Count - 1;
if (s.Contains(".proc"))
{
numline = 0;
pos1 = src.Count - 1;
func_flag = true;
}
if (s.Contains(".endp"))
{
pos2 = src.Count - 1;
if (func_flag == true)
{
func_flag = false;
posC.Add(new pair(pos1, pos2));
}
}
numline++;
}
}
return src;
}
private static void HeaderAnalyse(List<string> src, int[] pos, BinaryWriter bw, ref Dictionary<int, string> id_v, ref Dictionary<string, int> k_id)
{
str_header ConstH = new str_header();
string pattern = "\".*\"";
int j = 1;
for (int i = pos[0] + 1; i < pos[1]; i++)
{
int position = src[i].IndexOf(" ");
string key = src[i].Substring(0, position);
string value = Regex.Match(src[i], pattern).ToString().Trim('"').Replace(@"\n", "\n").Replace(@"\r", "\r") + "\0";
id_v.Add(j, value); k_id.Add(key, j++);
ConstH.const_count++; ConstH.size_const += (value.Length);
}
bw.Write(ConstH.Serialize());
for (int i = 1; i < j; i++)
{
bw.Write(Encoding.ASCII.GetBytes(id_v[i]));
}
}
private static void FuncAnalyse(List<string> code, pair pos, BinaryWriter bw, Dictionary<string, int> dictStr, Dictionary<string, int> dictJmp)
{
string name = "";
MemoryStream str = new MemoryStream();
funcH_signature sign = new funcH_signature();
funcH_bytecode bc = new funcH_bytecode();
string[] current_str = code[pos.start].Split(' ');
switch (current_str.Length)
{
case 4:
bc.count_args = System.Convert.ToInt32(current_str[3]);
bc.count_locals = System.Convert.ToInt32(current_str[2]);
name = current_str[1];
break;
case 3:
bc.count_locals = System.Convert.ToInt32(current_str[2]);
name = current_str[1];
break;
case 2:
name = current_str[1];
break;
}
bc.id = CRC16_alg(name);
name += "\0";
sign.size_signature = name.Length;
using (BinaryWriter writer = new BinaryWriter(str))
{
int j = 1;
for (int i = pos.start + 1; i < pos.end; i++)
{
current_str = code[i].Split(' ');
opcode current_opc = (opcode)Enum.Parse(typeof(opcode), current_str[0].ToUpper());
writer.Write((byte)current_opc);
if (current_opc == opcode.DLOAD)
writer.Write(Convert.ToDouble(current_str[1]));
else if (current_opc == opcode.ILOAD)
writer.Write(Convert.ToInt64(current_str[1]));
else if (current_opc == opcode.SLOAD)
writer.Write((ushort)dictStr[current_str[1]]);
else if (current_opc == opcode.CALL)
writer.Write(CRC16_alg(current_str[1]));
else if (threebytes.Contains(current_opc))
writer.Write(ushort.Parse(current_str[1]));
else if (fivebytes.Contains(current_opc))
{
writer.Write(CRC16_alg(current_str[1]));
writer.Write(ushort.Parse(current_str[2]));
}
else if (jumps.Contains(current_opc))
writer.Write(FindOffset(code, pos, j, ((ushort)dictJmp[current_str[1]] - j)));
j++;
}
}
byte[] bcode = str.ToArray();
sign.size_bytecode = bcode.Length;
sign.size_func = 22 + sign.size_bytecode + sign.size_signature;
bw.Write(sign.Serialize());
bw.Write(Encoding.ASCII.GetBytes(name));
bw.Write(bc.Serialize());
bw.Write(bcode);
}
private static short FindOffset(List<string> code, pair pos, int curr_pos, int off)
{
short result = 0;
if (off > 0)
{
for (int i = curr_pos + 1; i < curr_pos + off; i++)
{
result += OpCodeSize((opcode)Enum.Parse(typeof(opcode), code[pos.start + i].Split(' ')[0].ToUpper()));
}
}
else
{
for (int i = curr_pos; i >= curr_pos + off; i--)
{
result -= OpCodeSize((opcode)Enum.Parse(typeof(opcode), code[pos.start + i].Split(' ')[0].ToUpper()));
}
}
return result;
}
private static short OpCodeSize(opcode opc)
{
short result = 0;
if (jumps.Contains(opc) || threebytes.Contains(opc))
result += 3;
else if (fivebytes.Contains(opc))
result += 5;
else if (ninebytes.Contains(opc))
result += 9;
else result++;
return result;
}
private static ushort CRC16_alg(string msg)
{
byte[] text = Encoding.ASCII.GetBytes(msg);
const ushort polinom = 0xa001;
ushort code = 0xffff;
for (int i = 0, size = text.Length; i < size; ++i)
{
code ^= (ushort)(text[i] << 8);
for (uint j = 0; j < 8; ++j)
{
code >>= 1;
if ((code & 0x01) != 0) code ^= polinom;
}
}
return code;
}
/*static List<opcode> onebyte = new List<opcode>{opcode.INVALID, opcode.DLOAD0, opcode.ILOAD0, opcode.SLOAD0, opcode.DLOAD1, opcode.ILOAD1, opcode.DLOADM1,
opcode.ILOADM1, opcode.DADD, opcode.IADD, opcode.DSUB, opcode.ISUB, opcode.DMUL, opcode.IMUL, opcode.DDIV, opcode.IDIV, opcode.IMOD, opcode.DNEG,
opcode.INEG, opcode.IAOR, opcode.IAAND, opcode.IAXOR, opcode.IPRINT, opcode.DPRINT, opcode.SPRINT, opcode.I2D, opcode.D2I, opcode.S2I, opcode.SWAP,
opcode.POP, opcode.LOADDVAR0, opcode.LOADDVAR1, opcode.LOADDVAR2, opcode.LOADDVAR3, opcode.LOADIVAR0, opcode.LOADIVAR1, opcode.LOADIVAR2, opcode.LOADIVAR3,
opcode.LOADSVAR0, opcode.LOADSVAR1, opcode.LOADSVAR2, opcode.LOADSVAR3, opcode.STOREDVAR0, opcode.STOREDVAR1, opcode.STOREDVAR2, opcode.STOREDVAR3,
opcode.STOREIVAR0, opcode.STOREIVAR1, opcode.STOREIVAR2, opcode.STOREIVAR3, opcode.STORESVAR0, opcode.STORESVAR1, opcode.STORESVAR2, opcode.STORESVAR3,
opcode.ICMP, opcode.DCMP, opcode.DUMP, opcode.STOP, opcode.RETURN, opcode.BREAK};*/
static List<opcode> ninebytes = new List<opcode> { opcode.DLOAD, opcode.ILOAD };
static List<opcode> threebytes = new List<opcode> { opcode.LOADDVAR, opcode.LOADIVAR, opcode.LOADSVAR, opcode.STOREDVAR,
opcode.STOREIVAR, opcode.STORESVAR, opcode.SLOAD, opcode.CALL};
static List<opcode> fivebytes = new List<opcode> {opcode.LOADCTXDVAR, opcode.LOADCTXIVAR, opcode.LOADCTXSVAR, opcode.STORECTXDVAR,
opcode.STORECTXIVAR, opcode.STORECTXSVAR};
static List<opcode> jumps = new List<opcode> {opcode.JA, opcode.IFICMPE, opcode.IFICMPG, opcode.IFICMPGE, opcode.IFICMPL,
opcode.IFICMPLE, opcode.IFICMPNE};
}
enum opcode
{
INVALID,
DLOAD,
ILOAD,
SLOAD,
DLOAD0,
ILOAD0,
SLOAD0,
DLOAD1,
ILOAD1,
DLOADM1,
ILOADM1,
DADD,
IADD,
DSUB,
ISUB,
DMUL,
IMUL,
DDIV,
IDIV,
IMOD,
DNEG,
INEG,
IAOR,
IAAND,
IAXOR,
IPRINT,
DPRINT,
SPRINT,
I2D,
D2I,
S2I,
SWAP,
POP,
LOADDVAR0,
LOADDVAR1,
LOADDVAR2,
LOADDVAR3,
LOADIVAR0,
LOADIVAR1,
LOADIVAR2,
LOADIVAR3,
LOADSVAR0,
LOADSVAR1,
LOADSVAR2,
LOADSVAR3,
STOREDVAR0,
STOREDVAR1,
STOREDVAR2,
STOREDVAR3,
STOREIVAR0,
STOREIVAR1,
STOREIVAR2,
STOREIVAR3,
STORESVAR0,
STORESVAR1,
STORESVAR2,
STORESVAR3,
LOADDVAR,
LOADIVAR,
LOADSVAR,
STOREDVAR,
STOREIVAR,
STORESVAR,
LOADCTXDVAR,
LOADCTXIVAR,
LOADCTXSVAR,
STORECTXDVAR,
STORECTXIVAR,
STORECTXSVAR,
DCMP,
ICMP,
JA,
IFICMPNE,
IFICMPE,
IFICMPG,
IFICMPGE,
IFICMPL,
IFICMPLE,
DUMP,
STOP,
CALL,
RETURN,
BREAK
};
}