/// <summary>
/// Executes a list of IL instructions.
/// </summary>
/// <param name="methodILContext">Instructions to execute</param>
/// <param name="callerContext">A reference to caller's context</param>
public void ExecuteILMethod(MethodILInfo methodILContext, VCLRExecContext callerContext = null)
{
Console.WriteLine("\r\n--Executing Instructions--\r\n");
foreach (var instruction in methodILContext.Instructions)
{
Console.WriteLine(instruction);
}
//TODO: Set locals boundaries
var vCLRExecContext = new VCLRExecContext(methodILContext);
if (callerContext != null && callerContext.Arguments != null)
{
vCLRExecContext.Arguments = callerContext.Arguments;
}
var position = new int();
var offsetMappings = methodILContext.Instructions.ToDictionary(ilInstruction => ilInstruction.Offset, ilInstruction => methodILContext.Instructions.IndexOf(ilInstruction));
//process the instructions
while (position < methodILContext.Instructions.Count)
{
var instruction = methodILContext.Instructions[position++];
object targetOffset = ExecuteInstruction(instruction, vCLRExecContext, callerContext);
//branch if requested
if (targetOffset != null)
{
//get the position by the given offset
position = offsetMappings[(int)targetOffset];
}
}
}
public VCLRExecContext(MethodILInfo methodILInfo, int localsSize = 1024)
{
this.MethodIL = methodILInfo;
this.EvaluationStack = new Stack <object>();
this.MethodLocals = new object[localsSize];
}
