public void CanChangeExtension()
{
GlobalPath path = GlobalPath.FromString("othervolume:123");
GlobalPath newPath = path.ChangeExtension("txt");
Assert.AreEqual("othervolume", newPath.VolumeId);
Assert.AreEqual(1, newPath.Length);
Assert.AreEqual("123.txt", newPath.Name);
path = GlobalPath.FromString("othervolume:/dir/file.jpg");
newPath = path.ChangeExtension("txt");
Assert.AreEqual("othervolume", newPath.VolumeId);
Assert.AreEqual(2, newPath.Length);
Assert.AreEqual("file.txt", newPath.Name);
path = GlobalPath.FromString("othervolume:/dir/complex.file..name..");
newPath = path.ChangeExtension("txt");
Assert.AreEqual("othervolume", newPath.VolumeId);
Assert.AreEqual(2, newPath.Length);
Assert.AreEqual("complex.file..name..txt", newPath.Name);
}
public override void Execute(SharedObjects shared)
{
// NOTE: The built-in load() function actually ends up returning
// two things on the stack: on top is a boolean for whether the program
// was already loaded, and under that is an integer for where to jump to
// to call it. The load() function is NOT meant to be called directly from
// a user script.
// (unless it's being called in compile-only mode, in which case it
// returns the default dummy zero on the stack like everything else does).
bool defaultOutput = false;
bool justCompiling = false; // is this load() happening to compile, or to run?
GlobalPath outPath = null;
object topStack = PopValueAssert(shared, true); // null if there's no output file (output file means compile, not run).
if (topStack != null)
{
justCompiling = true;
string outputArg = topStack.ToString();
if (outputArg.Equals("-default-compile-out-"))
{
defaultOutput = true;
}
else
{
outPath = shared.VolumeMgr.GlobalPathFromObject(outputArg);
}
}
object skipAlreadyObject = PopValueAssert(shared, false);
bool skipIfAlreadyCompiled = (skipAlreadyObject is bool) ? (bool)skipAlreadyObject : false;
object pathObject = PopValueAssert(shared, true);
AssertArgBottomAndConsume(shared);
if (pathObject == null)
{
throw new KOSFileException("No filename to load was given.");
}
GlobalPath path = shared.VolumeMgr.GlobalPathFromObject(pathObject);
Volume volume = shared.VolumeMgr.GetVolumeFromPath(path);
VolumeFile file = volume.Open(path, !justCompiling) as VolumeFile; // if running, look for KSM first. If compiling look for KS first.
if (file == null)
{
throw new KOSFileException(string.Format("Can't find file '{0}'.", path));
}
path = GlobalPath.FromVolumePath(file.Path, shared.VolumeMgr.GetVolumeId(volume));
if (skipIfAlreadyCompiled && !justCompiling)
{
var programContext = ((CPU)shared.Cpu).SwitchToProgramContext();
int programAddress = programContext.GetAlreadyCompiledEntryPoint(path.ToString());
if (programAddress >= 0)
{
// TODO - The check could also have some dependancy on whether the file content changed on
// disk since last time, but that would also mean having to have a way to clear out the old
// copy of the compiled file from the program context, which right now doesn't exist. (Without
// that, doing something like a loop that re-wrote a file and re-ran it 100 times would leave
// 100 old dead copies of the compiled opcodes in memory, only the lastmost copy being really used.)
// We're done here. Skip the compile. Point the caller at the already-compiled version.
shared.Cpu.PushStack(programAddress);
this.ReturnValue = true; // tell caller that it already existed.
return;
}
}
FileContent fileContent = file.ReadAll();
// filename is now guaranteed to have an extension. To make default output name, replace the extension with KSM:
if (defaultOutput)
{
outPath = path.ChangeExtension(Volume.KOS_MACHINELANGUAGE_EXTENSION);
}
if (path.Equals(outPath))
{
throw new KOSFileException("Input and output paths must differ.");
}
if (shared.VolumeMgr == null)
{
return;
}
if (shared.VolumeMgr.CurrentVolume == null)
{
throw new KOSFileException("Volume not found");
}
if (shared.ScriptHandler != null)
{
shared.Cpu.StartCompileStopwatch();
var options = new CompilerOptions {
LoadProgramsInSameAddressSpace = true, FuncManager = shared.FunctionManager
};
// add this program to the address space of the parent program,
// or to a file to save:
if (justCompiling)
{
// since we've already read the file content, use the volume from outPath instead of the source path
volume = shared.VolumeMgr.GetVolumeFromPath(outPath);
List <CodePart> compileParts = shared.ScriptHandler.Compile(path, 1, fileContent.String, string.Empty, options);
VolumeFile written = volume.SaveFile(outPath, new FileContent(compileParts));
if (written == null)
{
throw new KOSFileException("Can't save compiled file: not enough space or access forbidden");
}
}
else
{
var programContext = ((CPU)shared.Cpu).SwitchToProgramContext();
List <CodePart> parts;
if (fileContent.Category == FileCategory.KSM)
{
string prefix = programContext.Program.Count.ToString();
parts = fileContent.AsParts(path, prefix);
}
else
{
parts = shared.ScriptHandler.Compile(path, 1, fileContent.String, "program", options);
}
int programAddress = programContext.AddObjectParts(parts, path.ToString());
// push the entry point address of the new program onto the stack
shared.Cpu.PushStack(programAddress);
this.ReturnValue = false; // did not already exist.
}
shared.Cpu.StopCompileStopwatch();
}
}
public void CanHandleChangingExtensionOfRootPaths()
{
GlobalPath path = GlobalPath.FromString("othervolume:");
path.ChangeExtension("txt");
}