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authorIOhannes m zmölnig <zmoelnig@iem.at>2015-10-14 15:14:38 +0200
committerIOhannes m zmölnig <zmoelnig@iem.at>2015-10-14 15:14:38 +0200
commit28b7e464fd119b8c848753a1f41070422c463c41 (patch)
tree07449abdf85d8f1fd4068839b974242b429720ca /sc4pd/headers/lang/VMGlobals.h
parent90c6018a9401e38859f733b3521c919e042322b7 (diff)
parent6932ee2d22511226378218992b0005cb01eb235e (diff)
- abstractions/tb - externals/tb
Diffstat (limited to 'sc4pd/headers/lang/VMGlobals.h')
-rw-r--r--sc4pd/headers/lang/VMGlobals.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/sc4pd/headers/lang/VMGlobals.h b/sc4pd/headers/lang/VMGlobals.h
new file mode 100644
index 0000000..9b5f2e1
--- /dev/null
+++ b/sc4pd/headers/lang/VMGlobals.h
@@ -0,0 +1,94 @@
+/*
+ SuperCollider real time audio synthesis system
+ Copyright (c) 2002 James McCartney. All rights reserved.
+ http://www.audiosynth.com
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+/*
+
+Each virtual machine has a copy of VMGlobals, which contains the state of the virtual machine.
+
+*/
+
+#ifndef _VMGLOBALS_H_
+#define _VMGLOBALS_H_
+
+#include "PyrSlot.h"
+#include "SC_AllocPool.h"
+#include "SC_RGen.h"
+
+const int kNumProcesses = 1;
+const int kMainProcessID = 0;
+
+typedef void (*FifoMsgFunc)(struct VMGlobals*, struct FifoMsg*);
+
+struct FifoMsg {
+ FifoMsg() : func(0), dataPtr(0) { dataWord[0] = dataWord[1] = 0; }
+ void Perform(struct VMGlobals* g);
+ void Free(struct VMGlobals* g);
+
+ FifoMsgFunc func;
+ void* dataPtr;
+ long dataWord[2];
+};
+
+struct VMGlobals {
+ VMGlobals();
+
+ // global context
+ class AllocPool *allocPool;
+ struct PyrProcess *process;
+ class SymbolTable *symbolTable;
+ class PyrGC *gc; // garbage collector for this process
+ PyrSlot *classvars;
+ bool canCallOS;
+
+ // thread context
+ struct PyrThread *thread;
+ struct PyrMethod *method;
+ struct PyrBlock *block;
+ struct PyrFrame *frame;
+ struct PyrMethod *primitiveMethod;
+ unsigned char *ip; // current instruction pointer
+ PyrSlot *sp; // current stack ptr
+ PyrSlot *args;
+ PyrSlot receiver; // the receiver
+ PyrSlot result;
+ int numpop; // number of args to pop for primitive
+ long returnLevels;
+ long processID;
+ long primitiveIndex;
+ RGen *rgen;
+
+ // scratch context
+ long execMethod;
+} ;
+
+inline void FifoMsg::Perform(struct VMGlobals* g)
+ {
+ (func)(g, this);
+ }
+
+inline void FifoMsg::Free(struct VMGlobals* g)
+ {
+ g->allocPool->Free(dataPtr);
+ }
+
+extern VMGlobals gVMGlobals[kNumProcesses];
+extern VMGlobals *gMainVMGlobals;
+extern VMGlobals *gCompilingVMGlobals;
+#endif
+