/// <summary>
/// The compile.
/// </summary>
/// <param name="source">
/// The source.
/// </param>
/// <returns>
/// The assembly code
/// </returns>
public static string[] Compile(string[] source)
{
var instructions = new[] { '>', '<', '+', '-', '.', ',', '[', ']' };
// Get the code as a nice string !
var sb = new StringBuilder();
foreach (var line in source)
{
sb.Append(line);
}
char[] code = sb.ToString().Where(instructions.Contains).ToArray();
// Not supported yet ...
if (code.Any(instr => instr == ','))
{
return(null);
}
// Assembly to be outputed in the structure.asm file
var output = new List <string>();
var labels = new LabelCounter();
var count = 1;
var countType = code[0];
for (var i = 1; i < code.Length; i += 1)
{
if (countType != code[i])
{
output.Add(string.Empty);
switch (countType)
{
case '>':
output.Add("addi sp, sp, " + (4 * count));
break;
case '<':
output.Add("addi sp, sp, -" + (4 * count));
break;
case '+':
output.Add("ldw t0, 0(sp)");
output.Add("addi t0, t0, " + count);
output.Add("stw t0, 0(sp)");
break;
case '-':
output.Add("ldw t0, 0(sp)");
output.Add("addi t0, t0, -" + count);
output.Add("stw t0, 0(sp)");
break;
case '.':
for (var j = 0; j < count; j += 1)
{
output.Add("call print");
}
break;
case ',':
throw new Exception(", is not supported yet !");
case '[':
for (var j = 0; j < count; j += 1)
{
labels.GenNext();
output.Add("ldw t0, 0(sp)");
output.Add("beq t0, zero, " + labels.TopEnd());
output.Add(labels.TopStart() + ":");
}
break;
case ']':
for (var j = 0; j < count; j += 1)
{
output.Add("ldw t0, 0(sp)");
output.Add("bne t0, zero, " + labels.PopStart());
output.Add(labels.PopEnd() + ":");
}
break;
default:
throw new Exception("How the f**k did you get here ?");
}
count = 1;
countType = code[i];
}
else
{
count += 1;
}
}
return(output.ToArray());
}
/// <summary>
/// The compile.
/// </summary>
/// <param name="source">
/// The source.
/// </param>
/// <returns>
/// The assembly code
/// </returns>
public static string[] Compile(string[] source)
{
var instructions = new[] {'>', '<', '+', '-', '.', ',', '[', ']'};
// Get the code as a nice string !
var sb = new StringBuilder();
foreach (var line in source)
{
sb.Append(line);
}
char[] code = sb.ToString().Where(instructions.Contains).ToArray();
// Not supported yet ...
if (code.Any(instr => instr == ','))
{
return null;
}
// Assembly to be outputed in the structure.asm file
var output = new List<string>();
var labels = new LabelCounter();
var count = 1;
var countType = code[0];
for (var i = 1; i < code.Length; i += 1)
{
if (countType != code[i])
{
output.Add(string.Empty);
switch (countType)
{
case '>':
output.Add("addi sp, sp, " + (4*count));
break;
case '<':
output.Add("addi sp, sp, -" + (4*count));
break;
case '+':
output.Add("ldw t0, 0(sp)");
output.Add("addi t0, t0, " + count);
output.Add("stw t0, 0(sp)");
break;
case '-':
output.Add("ldw t0, 0(sp)");
output.Add("addi t0, t0, -" + count);
output.Add("stw t0, 0(sp)");
break;
case '.':
for (var j = 0; j < count; j += 1)
{
output.Add("call print");
}
break;
case ',':
throw new Exception(", is not supported yet !");
case '[':
for (var j = 0; j < count; j += 1)
{
labels.GenNext();
output.Add("ldw t0, 0(sp)");
output.Add("beq t0, zero, " + labels.TopEnd());
output.Add(labels.TopStart() + ":");
}
break;
case ']':
for (var j = 0; j < count; j += 1)
{
output.Add("ldw t0, 0(sp)");
output.Add("bne t0, zero, " + labels.PopStart());
output.Add(labels.PopEnd() + ":");
}
break;
default:
throw new Exception("How the f**k did you get here ?");
}
count = 1;
countType = code[i];
}
else
{
count += 1;
}
}
return output.ToArray();
}
