public void FindEndIfTest()
{
string IfBlock = @"IF 0,0,0
ELSE
IF 0,0,0
ELSE
END_IF
END_IF";
int ValidifIndex = 0, inValidifIndex = 0;
HLProgram p = new HLProgram(IfBlock);
try
{
int i = p.FindEndIf(ValidifIndex);
Assert.AreNotEqual(-1, i);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
Assert.Fail("Invalid if index :", inValidifIndex);
}
try
{
int i = p.FindEndIf(inValidifIndex);
Assert.AreNotEqual(-1, i);
}
catch (IfUnmatchedException ex)
{
Console.WriteLine(ex.ToString());
Assert.Fail("Invalid if index :", inValidifIndex);
}
}
/// <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);
}
}
public ProgramViewModel(HLProgram program)
{
this.program = program;
for (int i = 0; i < program.Count; i++)
{
if (program[i].opcode == Instruction.IF)
{
base.Add(i);
i = program.FindEndIf(i);
}
else if (program[i].opcode == Instruction.LOOP)
{
base.Add(i);
i = program.FindEndLoop(i);
}
else
{
base.Add(i);
}
}
}