public InterpreterState(Instruction[] code, int argumentStackSize) {
this.code = code;
this.ProgramCounter = 0;
this.InLaggedContext = false;
if (argumentStackSize > 0) {
this.argumentStack = new double[argumentStackSize];
}
this.argumentStackPointer = 0;
}
private static IEnumerable<Instruction> Compile(ISymbolicExpressionTreeNode branch, Func<ISymbolicExpressionTreeNode, byte> opCodeMapper, IEnumerable<Func<Instruction, Instruction>> postInstructionCompiledHooks) {
foreach (var node in branch.IterateNodesPrefix()) {
Instruction instr = new Instruction();
int subtreesCount = node.SubtreeCount;
if (subtreesCount > 255) throw new ArgumentException("Number of subtrees is too big (>255)");
instr.nArguments = (byte)subtreesCount;
instr.opCode = opCodeMapper(node);
if (node.Symbol is Argument) {
var argNode = (ArgumentTreeNode)node;
instr.data = (ushort)argNode.Symbol.ArgumentIndex;
}
instr.dynamicNode = node;
foreach (var hook in postInstructionCompiledHooks) {
instr = hook(instr);
}
yield return instr;
}
}