/// <summary>
/// Get the HLProgram for furthur processing, like translating.
/// </summary>
/// <returns></returns>
public HLProgram GetHLProgram()
{
HLProgram result = new HLProgram();
for (int pvmIndex = 0; pvmIndex < this.Count(); pvmIndex++)
{
Instruction ins = program[this[pvmIndex]];
if (ins.opcode == Instruction.IF || ins.opcode == Instruction.LOOP)
{
result.Add(GetSubProgram(pvmIndex));
}
else
{
// Single instruction.
result.Add(GetInstruction(pvmIndex));
}
}
return(result);
}
/// <summary>
/// Get the sub-program pointed by the pointer at specified index.
/// </summary>
/// <param name="index">The index of pointer.</param>
/// <returns>The sub-program pointed by the pointer.</returns>
public HLProgram GetSubProgram(int pvmIndex)
{
int programIndex = this[pvmIndex];
Instruction ins = program[programIndex];
if (ins.opcode == Instruction.IF)
{
return(program.SubProgram(programIndex, program.FindEndIf(programIndex)));
}
else if (ins.opcode == Instruction.LOOP)
{
return(program.SubProgram(programIndex, program.FindEndLoop(programIndex)));
}
else
{
// A HLProgram with only one instruction.
HLProgram result = new HLProgram();
result.Add(ins);
return(result);
}
}
/// <summary>
/// Add new Instrction at specified index.
/// </summary>
/// <param name="index">The zero-base index at which the new instruction should be inserted. </param>
/// <param name="newIns">The new Instruction.</param>
public void InsertInstruction(int index, Instruction newIns)
{
this.Insert(index, program.Count);
program.Add(newIns);
}