public static tMetaData *GetResolutionScopeMetaData(tMetaData *pMetaData, /*IDX_TABLE*/ uint resolutionScopeToken,
tMD_TypeDef **ppInNestedType)
{
switch (MetaData.TABLE_ID(resolutionScopeToken))
{
case MetaDataTable.MD_TABLE_ASSEMBLYREF:
{
tMD_AssemblyRef *pAssemblyRef;
pAssemblyRef = (tMD_AssemblyRef *)MetaData.GetTableRow(pMetaData, resolutionScopeToken);
*ppInNestedType = null;
return(CLIFile.GetMetaDataForAssembly(pAssemblyRef->name));
}
case MetaDataTable.MD_TABLE_TYPEREF:
{
tMD_TypeDef *pTypeDef;
pTypeDef = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, resolutionScopeToken, null, null);
*ppInNestedType = pTypeDef;
return(pTypeDef->pMetaData);
}
default:
Sys.Crash("MetaData.GetResolutionScopeMetaData(): Cannot resolve token: 0x%08x", resolutionScopeToken);
return(null);
}
}
public static tMD_TypeDef *GetTypeDefFromFullName(/*STRING*/ byte *assemblyName, /*STRING*/ byte *nameSpace, /*STRING*/ byte *name)
{
tMetaData *pTypeMetaData;
pTypeMetaData = CLIFile.GetMetaDataForAssembly(assemblyName);
// Note that this cannot get a nested class, as this final parameter is always null
return(MetaData.GetTypeDefFromName(pTypeMetaData, nameSpace, name, null, /* assertExists */ 1));
}
/// <summary>
/// Returns a DNA TypeDef for a given type.
/// </summary>
/// <param name="type">The fully qualified name of the type (namespace and type name)</param>
/// <returns>The TypeDef or 0 if no type by that name was found</returns>
public static ulong FindType(string type)
{
byte *className = stackalloc byte[128];
byte *nameSpace = stackalloc byte[128];
if (!_isInitialized)
{
Init();
}
string[] split = type.Split('.');
if (split.Length < 1)
{
throw new System.ArgumentException("Type must have at least a type name");
}
if (split.Length > 1)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int i = 0; i < split.Length - 1; i++)
{
if (i > 0)
{
sb.Append('.');
}
sb.Append(split[i]);
}
S.strncpy(nameSpace, sb.ToString(), 128);
}
else
{
nameSpace[0] = 0;
}
S.strncpy(className, split[split.Length - 1], 128);
// Find any overload of the named method; assume it's the right one.
// Specifying it exactly (type generic args, method generic args, arguments themselves, picking the
// inherited methods if needed), is complex and not required at the moment.
tMD_TypeDef *pTypeDef = CLIFile.FindTypeInAllLoadedAssemblies(nameSpace, className);
if (pTypeDef->fillState < Type.TYPE_FILL_ALL)
{
MetaData.Fill_TypeDef(pTypeDef, null, null);
}
return((ulong)pTypeDef);
}
/// <summary>
/// Initializes the DNA script engine.
/// </summary>
/// <param name="memsize">The heap memory size to use (note: can not be expanded)</param>
/// <param name="assemblySearchPaths">Array of assembly search paths to use when loading assemblies</param>
public static void Init(int memsize = DEFAULT_MEM_SIZE, string[] assemblySearchPaths = null)
{
if (_isInitialized)
{
throw new System.InvalidOperationException("Dna has already been initialized. Use Dna.Reset() to reset the interpreter");
}
if (assemblySearchPaths == null)
{
assemblySearchPaths = defaultAssemblySearchPaths;
}
#if UNITY_EDITOR
string[] finalAssemblySearchPaths = new string[assemblySearchPaths.Length];
string unityDir = UnityEditor.EditorApplication.applicationContentsPath;
string projectDir = System.IO.Path.GetDirectoryName(UnityEngine.Application.dataPath);
for (int i = 0; i < assemblySearchPaths.Length; i++)
{
finalAssemblySearchPaths[i] = assemblySearchPaths[i]
.Replace("${UNITY_DIR}", unityDir)
.Replace("${PROJECT_DIR}", projectDir);
}
#else
string[] finalAssemblySearchPaths = assemblySearchPaths;
#endif
Mem.Init(memsize);
H.Init();
Sys.Init();
JIT.Init();
JIT_Execute.Init();
DnaObject.Init();
MetaData.Init();
MonoType.Init();
Generics.Init();
Serialization.Init();
Heap.Init();
Finalizer.Init();
InternalCall.Init();
CLIFile.Init(finalAssemblySearchPaths);
Type.Init();
_isInitialized = true;
}
/// <summary>
/// Resets entire DNA environment to it's initial state, clearing all DnaObject references to null.
/// </summary>
public static void Reset()
{
Type.Clear();
CLIFile.Clear();
InternalCall.Clear();
Finalizer.Clear();
Heap.Clear();
Generics.Clear();
MonoType.Clear();
MetaData.Clear();
DnaObject.Clear();
JIT_Execute.Clear();
JIT.Clear();
Sys.Clear();
H.Clear();
Mem.Clear();
_isInitialized = false;
}
static int InternalLoadAndRun(bool tryRun, string[] args)
{
if (!_isInitialized)
{
Init();
}
/*char**/ byte *pFileName = new S(args[0]);
tCLIFile * pCLIFile;
int retValue;
#if DIAG_TOTAL_TIME
ulong startTime;
#endif
#if DIAG_OPCODE_TIMES
Mem.memset(opcodeTimes, 0, sizeof(opcodeTimes));
#endif
#if DIAG_OPCODE_USE
Mem.memset(opcodeNumUses, 0, sizeof(opcodeNumUses));
#endif
pCLIFile = CLIFile.LoadAssembly(pFileName);
#if DIAG_TOTAL_TIME
startTime = microTime();
#endif
if (tryRun)
{
if (pCLIFile->entryPoint != 0)
{
retValue = CLIFile.Execute(pCLIFile, args);
}
else
{
Sys.printf("File %s has no entry point, skipping execution\n", (PTR)pFileName);
retValue = 0;
}
}
else
{
retValue = 0;
}
#if DIAG_TOTAL_TIME
printf("Total execution time = %d ms\n", (int)((microTime() - startTime) / 1000));
#endif
#if DIAG_GC
printf("Total GC time = %d ms\n", (int)(Heap.gcTotalTime / 1000));
#endif
#if DIAG_METHOD_CALLS
{
uint numMethods, i;
int howMany = 25;
tMetaData *pCorLib;
// Report on most-used methods
pCorLib = CLIFile_GetMetaDataForAssembly("mscorlib");
numMethods = pCorLib->tables.numRows[MetaDataTable.MD_TABLE_METHODDEF];
printf("\nCorLib method usage:\n");
for (; howMany > 0; howMany--)
{
tMD_MethodDef *pMethod;
uint maxCount = 0, maxIndex = 0;
for (i = 1; i <= numMethods; i++)
{
pMethod = (tMD_MethodDef *)MetaData.GetTableRow(pCorLib, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_METHODDEF, i));
if (pMethod->callCount > maxCount)
{
maxCount = pMethod->callCount;
maxIndex = i;
}
}
pMethod = (tMD_MethodDef *)MetaData.GetTableRow(pCorLib, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_METHODDEF, maxIndex));
printf("%d: %s (%d)\n", (int)pMethod->callCount, Sys_GetMethodDesc(pMethod), (int)(pMethod->totalTime / 1000));
pMethod->callCount = 0;
}
printf("\n");
}
{
uint numMethods, i;
int howMany = 25;
tMetaData *pCorLib;
// Report on most-used methods
pCorLib = CLIFile_GetMetaDataForAssembly("mscorlib");
numMethods = pCorLib->tables.numRows[MetaDataTable.MD_TABLE_METHODDEF];
printf("\nCorLib method execution time:\n");
for (; howMany > 0; howMany--)
{
tMD_MethodDef *pMethod;
ulong maxTime = 0;
uint maxIndex = 0;
for (i = 1; i <= numMethods; i++)
{
pMethod = (tMD_MethodDef *)MetaData.GetTableRow(pCorLib, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_METHODDEF, i));
if (pMethod->totalTime > maxTime)
{
maxTime = pMethod->totalTime;
maxIndex = i;
}
}
pMethod = (tMD_MethodDef *)MetaData.GetTableRow(pCorLib, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_METHODDEF, maxIndex));
printf("%d: %s (%d)\n", (int)pMethod->callCount, Sys_GetMethodDesc(pMethod), (int)(pMethod->totalTime / 1000));
pMethod->totalTime = 0;
}
printf("\n");
}
#endif
#if DIAG_OPCODE_TIMES
{
int howMany = 25;
uint i;
printf("\nOpCodes execution time:\n");
for (; howMany > 0; howMany--)
{
ulong maxTime = 0;
uint maxIndex = 0;
for (i = 0; i < JitOps.JIT_OPCODE_MAXNUM; i++)
{
if (opcodeTimes[i] > maxTime)
{
maxTime = opcodeTimes[i];
maxIndex = i;
}
}
printf("0x%03x: %dms (used %d times) (ave = %d)\n",
maxIndex, (int)(maxTime / 1000), (int)opcodeNumUses[maxIndex], (int)(maxTime / opcodeNumUses[maxIndex]));
opcodeTimes[maxIndex] = 0;
}
}
#endif
#if DIAG_OPCODE_USE
{
int howMany = 25;
uint i, j;
printf("\nOpcode use:\n");
for (j = 1; howMany > 0; howMany--, j++)
{
uint maxUse = 0;
uint maxIndex = 0;
for (i = 0; i < JitOps.JIT_OPCODE_MAXNUM; i++)
{
if (opcodeNumUses[i] > maxUse)
{
maxUse = opcodeNumUses[i];
maxIndex = i;
}
}
printf("%02d 0x%03x: %d\n", j, maxIndex, maxUse);
opcodeNumUses[maxIndex] = 0;
}
}
#endif
//Sys.Crash("FINISHED!!!");
return(retValue);
}
public static tMetaData *GetMetaDataForAssembly(byte *pAssemblyName)
{
tFilesLoaded *pFiles;
int monoAssembly = 0;
tCLIFile * pCLIFile = null;
tMD_Assembly *pThisAssembly = null;
tMetaData ** ppChildMetaData = null;
int i, j, childCount;
// Check corlib assemblies
i = 0;
while (dnaCorlibAssemblies[i] != null)
{
if (S.strcmp(pAssemblyName, dnaCorlibAssemblies[i]) == 0)
{
pAssemblyName = scCorLib;
break;
}
i++;
}
// Look in already-loaded files first
pFiles = pFilesLoaded;
while (pFiles != null)
{
pCLIFile = pFiles->pCLIFile;
if (S.strcmp(pAssemblyName, pCLIFile->assemblyName) == 0)
{
// Found the correct assembly, so return its meta-data
return(pCLIFile->pMetaData);
}
pFiles = pFiles->pNext;
}
// Mono/Unity assemblies only load metadata, no code
if (monoAssemblies != null)
{
i = 0;
while (monoAssemblies[i] != null)
{
if (S.strcmp(pAssemblyName, monoAssemblies[i]) == 0)
{
if (i == 0)
{
// Handle "UnityEngine" assemblies
j = 0;
childCount = 0;
while (unityModuleAssemblies[j] != null)
{
childCount++;
j++;
}
ppChildMetaData = (tMetaData **)Mem.malloc((SIZE_T)((childCount + 1) * sizeof(tMetaData *)));
Mem.memset(ppChildMetaData, 0, (SIZE_T)((childCount + 1) * sizeof(tMetaData *)));
j = 0;
while (unityModuleAssemblies[j] != null)
{
ppChildMetaData[j] = GetMetaDataForAssembly(unityModuleAssemblies[j]);
j++;
}
}
monoAssembly = 1;
break;
}
i++;
}
}
// Assembly not loaded, so load it if possible
if (monoAssembly != 0)
{
pCLIFile = CLIFile.WrapMonoAssembly(pAssemblyName);
if (pCLIFile == null)
{
Sys.Crash("Cannot load required mono assembly file: %s.dll", (PTR)pAssemblyName);
}
}
else
{
byte *fileName = stackalloc byte[256];
S.snprintf(fileName, 256, "%s.dll", (PTR)pAssemblyName);
pCLIFile = CLIFile.LoadAssembly(fileName);
if (pCLIFile == null)
{
Sys.Crash("Cannot load required assembly file: %s.dll", (PTR)pAssemblyName);
}
}
pCLIFile->pMetaData->ppChildMetaData = ppChildMetaData;
return(pCLIFile->pMetaData);
}
public static void GarbageCollect()
{
#if NO
tHeapRoots heapRoots;
tHeapEntry * pNode;
tHeapEntry **pUp = stackalloc tHeapEntry *[MAX_TREE_DEPTH * 2];
int top;
tHeapEntry * pToDelete = null;
SIZE_T orgHeapSize = trackHeapSize;
uint orgNumNodes = numNodes;
#if DIAG_GC
ulong startTime;
#endif
Mem.heapcheck();
numCollections++;
#if DIAG_GC
startTime = microTime();
#endif
heapRoots.capacity = 64;
heapRoots.num = 0;
heapRoots.pHeapEntries = (tHeapRootEntry *)Mem.malloc(heapRoots.capacity * (SIZE_T)sizeof(tHeapRootEntry));
Thread.GetHeapRoots(&heapRoots);
CLIFile.GetHeapRoots(&heapRoots);
// Mark phase
while (heapRoots.num > 0)
{
tHeapRootEntry *pRootsEntry;
uint i;
uint moreRootsAdded = 0;
uint rootsEntryNumPointers;
void ** pRootsEntryMem;
// Get a piece of memory off the list of heap memory roots.
pRootsEntry = &heapRoots.pHeapEntries[heapRoots.num - 1];
rootsEntryNumPointers = pRootsEntry->numPointers;
pRootsEntryMem = pRootsEntry->pMem;
// Mark this entry as done
pRootsEntry->numPointers = 0;
pRootsEntry->pMem = null;
// Iterate through all pointers in it
for (i = 0; i < rootsEntryNumPointers; i++)
{
void *pMemRef = pRootsEntryMem[i];
// Quick escape for known non-memory
if (pMemRef == null)
{
continue;
}
// Find this piece of heap memory in the tracking tree.
// Note that the 2nd memory address comparison MUST be >, not >= as might be expected,
// to allow for a zero-sized memory to be detected (and not garbage collected) properly.
// E.g. The object class has zero memory.
pNode = pHeapTreeRoot;
while (pNode != nil)
{
if (pMemRef < (void *)pNode)
{
pNode = (tHeapEntry *)pNode->pLink[0];
}
else if ((byte *)pMemRef > ((byte *)pNode) + GetSize(pNode) + sizeof(tHeapEntry))
{
pNode = (tHeapEntry *)pNode->pLink[1];
}
else
{
// Found memory. See if it's already been marked.
// If it's already marked, then don't do anything.
// It it's not marked, then add all of its memory to the roots, and mark it.
if (pNode->marked == 0)
{
tMD_TypeDef *pType = pNode->pTypeDef;
// Not yet marked, so mark it, and add it to heap roots.
pNode->marked = 1;
// Don't look at the contents of strings, arrays of primitive Type.types, or WeakReferences
if (pType->stackType == EvalStack.EVALSTACK_O ||
pType->stackType == EvalStack.EVALSTACK_VALUETYPE ||
pType->stackType == EvalStack.EVALSTACK_PTR)
{
if (pType != Type.types[Type.TYPE_SYSTEM_STRING] &&
(!MetaData.TYPE_ISARRAY(pType) ||
pType->pArrayElementType->stackType == EvalStack.EVALSTACK_O ||
pType->pArrayElementType->stackType == EvalStack.EVALSTACK_VALUETYPE ||
pType->pArrayElementType->stackType == EvalStack.EVALSTACK_PTR))
{
if (pType != Type.types[Type.TYPE_SYSTEM_WEAKREFERENCE])
{
Heap.SetRoots(&heapRoots, ((byte *)&pNode->pSync + sizeof(PTR)), GetSize(pNode));
moreRootsAdded = 1;
}
}
}
}
break;
}
}
}
if (moreRootsAdded == 0)
{
heapRoots.num--;
}
}
Mem.free(heapRoots.pHeapEntries);
// Sweep phase
// Traverse nodes
pUp[0] = pHeapTreeRoot;
top = 1;
while (top != 0)
{
// Get this node
pNode = pUp[--top];
// Act on this node
if (pNode->marked != 0)
{
if (pNode->marked != 0xff)
{
// Still in use (but not marked undeletable), so unmark
pNode->marked = 0;
}
}
else
{
// Not in use any more, so put in deletion queue if it does not need Finalizing
// If it does need Finalizing, then don't garbage collect, and put in Finalization queue.
if (pNode->needToFinalize != 0)
{
if (pNode->needToFinalize == 1)
{
Finalizer.AddFinalizer((/*HEAP_PTR*/ byte *)pNode + sizeof(tHeapEntry));
// Mark it has having been placed in the finalization queue.
// When it has been finalized, then this will be set to 0
pNode->needToFinalize = 2;
// If this object is being targetted by weak-ref(s), handle it
if (pNode->pSync != null)
{
RemoveWeakRefTarget(pNode, 0);
Mem.free(pNode->pSync);
}
}
}
else
{
// If this object is being targetted by weak-ref(s), handle it
if (pNode->pSync != null)
{
RemoveWeakRefTarget(pNode, 1);
Mem.free(pNode->pSync);
}
// Use pSync to point to next entry in this linked-list.
pNode->pSync = (tSync *)pToDelete;
pToDelete = pNode;
}
}
// Get next node(s)
if (pNode->pLink[1] != (PTR)nil)
{
pUp[top++] = (tHeapEntry *)pNode->pLink[1];
}
if (pNode->pLink[0] != (PTR)nil)
{
pUp[top++] = (tHeapEntry *)pNode->pLink[0];
}
}
// Delete all unused memory nodes.
while (pToDelete != null)
{
tHeapEntry *pThis = pToDelete;
pToDelete = (tHeapEntry *)(pToDelete->pSync);
pHeapTreeRoot = TreeRemove(pHeapTreeRoot, pThis);
if (pThis->monoHandle == 1)
{
void *hptr = *(void **)((byte *)pThis + sizeof(tHeapEntry));
if (hptr != null)
{
H.Free(hptr);
}
}
numNodes--;
trackHeapSize -= GetSize(pThis) + (uint)sizeof(tHeapEntry);
Mem.free(pThis);
}
Mem.heapcheck();
#if DIAG_GC
gcTotalTime += microTime() - startTime;
#endif
Sys.log_f(1, "--- GARBAGE --- [Size: %d -> %d] [Nodes: %d -> %d]\n",
orgHeapSize, trackHeapSize, orgNumNodes, numNodes);
#if DIAG_GC
Sys.log_f(1, "GC time = %d ms\n", gcTotalTime / 1000);
#endif
#endif
}
