public ASTree GeneratePextCode(string[] arguments)
{
ASTree pextTree = new ASTree();
//Preventing memory loss simply by storing B register content firstly.
//To do it we have to move arguments which represents B on the first poistion.
//We will use some simple sorting
for (int i = 1; i < arguments.Length; i++)
{
for (int j = i; j < arguments.Length; j++)
{
if (arguments[j] == "b")
{
dictLine cache = new dictLine();
//save
cache.argAddr = placeholders[i - 1];
cache.argName = arguments[i];
//mov
placeholders[i - 1] = placeholders[j - 1];
arguments[i] = arguments[j];
//mov from cache
placeholders[j - 1] = cache.argAddr;
arguments[j] = cache.argName;
break;
}
}
}
pextTree.Add(new Swm(mountPoint));
for (int i = 1; i < arguments.Length; i++)
{
if (arguments[i] == "a")
{
pextTree.Add(new Mov("b", "a")); //may cause memory loss (but fixed earlier)
pextTree.Add(new St(placeholders[i - 1].ToString()));
}
else if (arguments[i] == "b")
{
pextTree.Add(new St(placeholders[i - 1].ToString()));
}
else
{
pextTree.Add(new Mov("b", arguments[i]));
pextTree.Add(new St(placeholders[i - 1].ToString()));
}
}
pextTree.Add(new Ld(result.ToString()));
return(pextTree);
}
public Assembly(string programName)
{
this.programName = programName;
string[] lines = CodeIO.LoadFile(programName);
//Clearing Code
//Removing comments and trimming
Utilities.Utilities.VerbouseOut("-=-=Clearing code from comments=-=-");
lines = ClearCode(lines);
Utilities.Utilities.VerbouseOut("-=-=Parsing lines=-=-");
parsed = SplitCode(lines);
//Get hat
Utilities.Utilities.VerbouseOut("-=-=Parsing libraries imports=-=-");
ArrayList imports = GetImports(parsed);
//Catching imports
Utilities.Utilities.VerbouseOut("Importing");
importManager = new Preprocessor(imports);
//Calling preprocessor
Utilities.Utilities.VerbouseOut("PREPROCESSOR", "Inserting macroses...");
for (int i = 0; i < importManager.CountMacroses(); i++)
{
parsed = InsertAllMacro(parsed);
}
Utilities.Utilities.VerbouseOut("PREPROCESSOR", "Updated code: ");
if (Program.verboseMode)
{
for (int j = 0; j < parsed.Length; j++)
{
Console.Write(j + ":\t");
for (int k = 0; k < parsed[j].Length; k++)
{
Console.Write(parsed[j][k] + " ");
}
Console.WriteLine();
}
}
Utilities.Utilities.VerbouseOut("PREPROCESSOR", "Finding definitions...");
parsed = importManager.CatchDefines(parsed);
var safer = new List <string[]>();
for (int i = 0; i < parsed.Length; i++)
{
if (parsed[i] != null)
{
safer.Add(parsed[i]);
}
}
parsed = safer.ToArray();
Utilities.Utilities.VerbouseOut("-=-=Parsing pExts=-=-");
ArrayList pexts = GetPexts(parsed);
importManager.ImportPexts(pexts);
Utilities.Utilities.VerbouseOut("Removing preprocessor code from source...");
parsed = ClearHatAfterImport(parsed);
//Catching labels
Utilities.Utilities.VerbouseOut("Parsing labels...");
CodeLine[] code = LabelCatcher(parsed);
//Converting code to object form
Utilities.Utilities.VerbouseOut("PREPROCESSOR", "Cleared code: ");
if (Program.verboseMode)
{
for (int j = 0; j < parsed.Length; j++)
{
Console.Write(j + ":\t");
for (int k = 0; k < parsed[j].Length; k++)
{
Console.Write(parsed[j][k] + " ");
}
Console.WriteLine();
}
}
Utilities.Utilities.VerbouseOut("Converting code to object form");
for (int i = 0; i < code.Length; i++)
{
string opcode = code[i].code[0].ToLower();
string label = code[i].label;
if (opcode == "add")
{
program.Add(new Add(code[i].code[1], code[i].code[2]));
}
else if (opcode == "in")
{
if (code[i].code.Length == 2)
{
program.Add(new In(code[i].code[1]));
}
else if (code[i].code.Length > 2)
{
program.Add(new In(code[i].code[1], code[i].code[2]));
}
}
else if (opcode == "jmp")
{
program.Add(new Jmp(code[i].code[1]));
}
else if (opcode == "jnc")
{
program.Add(new Jnc(code[i].code[1]));
}
else if (opcode == "ld")
{
program.Add(new Ld(code[i].code[1]));
}
else if (opcode == "mov")
{
if (code[i].code.Length == 3)
{
program.Add(new Mov(code[i].code[1], code[i].code[2]));
}
else if (code[i].code.Length > 3)
{
program.Add(new Mov(code[i].code[1], code[i].code[2], code[i].code[3]));
}
}
else if (opcode == "out")
{
if (code[i].code.Length == 2)
{
program.Add(new Out(code[i].code[1]));
}
else if (code[i].code.Length > 2)
{
program.Add(new Out(code[i].code[1], code[i].code[2]));
}
}
else if (opcode == "st")
{
program.Add(new St(code[i].code[1]));
}
else if (opcode == "swi")
{
program.Add(new Swi(code[i].code[1]));
}
else if (opcode == "swm")
{
program.Add(new Swm(code[i].code[1]));
}
else
{
program.InsertSubTree(program.Count, importManager.LookUpPext(opcode, code[i].code));
}
if (label != null)
{
program.AddLabel(label);
}
}
Utilities.Utilities.VerbouseOut("Linking labels...");
for (int i = 0; i <= program.Count; i++)
{
if (program[i].opcode is Jmp || program[i].opcode is Jnc)
{
if (program[i].opcode.Arg1 == null)
{
((PCChanger)program[i].opcode).Link = program[program[i].opcode.FastAdd.toInt() + 1];
Utilities.Utilities.VerbouseOut("LABEL_LINKER", "Linked: " + program[i].opcode.Name + " " + program[i].opcode.FastAdd.ToString() + " to " + ((PCChanger)program[i].opcode).Link.ToString());
}
else
{
((PCChanger)program[i].opcode).Link = program.GetLabel(program[i].opcode.Arg1);
Utilities.Utilities.VerbouseOut("LABEL_LINKER", "Linked: " + program[i].opcode.Name + " " + program[i].opcode.Arg1.ToString() + " to " + ((PCChanger)program[i].opcode).Link.ToString());
}
}
}
if (Program.verboseMode)
{
Console.WriteLine("---Final code---");
int length = program.Count;
for (int i = 1; i <= length; i++)
{
Console.Write(i + ":\t");
IOpcode line = program.Get(i).opcode;
Console.Write(line.Name + "\t");
if (line.Arg1 != null)
{
Console.Write(line.Arg1 + "\t");
}
if (line is Mov)
{
if (line.Arg2 != null)
{
Console.Write(line.Arg2 + "\t");
}
}
if (line.FastAdd != null)
{
Console.Write(line.FastAdd.GetValue());
}
Console.WriteLine();
}
}
}
