diff options
Diffstat (limited to 'squirrel_3_0_1_stable/_OLD_sqplus/SquirrelVM.cpp')
| -rw-r--r-- | squirrel_3_0_1_stable/_OLD_sqplus/SquirrelVM.cpp | 505 |
1 files changed, 0 insertions, 505 deletions
diff --git a/squirrel_3_0_1_stable/_OLD_sqplus/SquirrelVM.cpp b/squirrel_3_0_1_stable/_OLD_sqplus/SquirrelVM.cpp deleted file mode 100644 index 12b84dbe5..000000000 --- a/squirrel_3_0_1_stable/_OLD_sqplus/SquirrelVM.cpp +++ /dev/null @@ -1,505 +0,0 @@ -#include <stdio.h>
-#include <stdarg.h>
-#include <assert.h>
-
-#define _DEBUG_DUMP
-
-#include "sqplus.h"
-
-#include <sqstdio.h>
-#include <sqstdmath.h>
-#include <sqstdstring.h>
-#include <sqstdaux.h>
-#include <sqstdblob.h>
-#include <sqstdsystem.h>
-
-
-HSQUIRRELVM SquirrelVM::_VM;
-bool SquirrelVM::_no_vm_ref;
-int SquirrelVM::_CallState = -1;
-SquirrelObject* SquirrelVM::_root;
-HSQUIRRELVM SquirrelVM::_sandboxVM;
-SquirrelObject SquirrelVM::_vm;
-
-
-// Helper struct to keep track of all SQSharedState:s created by SquirrelVM.
-#include "../squirrel/sqpcheader.h"
-#include "../squirrel/sqvm.h"
-struct SQSharedStateNode {
- SQSharedStateNode( SQSharedState* ps );
- ~SQSharedStateNode( );
- SQSharedState* m_ps;
- SQSharedStateNode* m_nxt;
-};
-
-// Linked list of shared states
-static SQSharedStateNode* g_sqss_fst;
-
-SQSharedStateNode::SQSharedStateNode( SQSharedState* ps ) : m_ps(ps), m_nxt(g_sqss_fst) {
- g_sqss_fst = this;
-}
-
-SQSharedStateNode::~SQSharedStateNode() {
- if(m_ps) sq_delete(m_ps,SQSharedState);
- delete m_nxt;
-}
-
-static struct SquirrelVM_ModConstr {
- ~SquirrelVM_ModConstr(){
- // Delete any shared states we created
- delete g_sqss_fst;
- g_sqss_fst = NULL;
- }
-} g_squirrelvm_mod_constr;
-
-
-
-SquirrelError::SquirrelError()
-{
- const SQChar *s;
- sq_getlasterror(SquirrelVM::_VM);
- sq_getstring(SquirrelVM::_VM,-1,&s);
- if(s) {
- desc = s;
- }
- else {
- desc = _SC("unknown error");
- }
-}
-
-
-SquirrelVMSys::~SquirrelVMSys() {
- // Must take care to release object with the 'ref' VM
- PushRefVM( _vm.GetObjectHandle()._unVal.pThread );
- _vm.Reset();
- PopRefVM();
-}
-
-void SquirrelVMSys::Set( HSQUIRRELVM v ){
- // Must take care to release object with the 'ref' VM
- PushRefVM( v );
- _vm = v;
- PopRefVM( );
-}
-
-void SquirrelVMSys::Set( const SquirrelObject& ov ){
- assert( ov.GetObjectHandle()._type==OT_THREAD );
- // Must take care to release object with the 'ref' VM
- PushRefVM( ov.GetObjectHandle()._unVal.pThread );
- _vm = ov;
- PopRefVM( );
-}
-
-SquirrelVMSys::operator HSQUIRRELVM () const {
- // Avoid const madness
- SquirrelObject *pvm = (SquirrelObject*)&_vm;
- assert( pvm->GetObjectHandle()._type==OT_THREAD );
- return pvm->GetObjectHandle()._unVal.pThread;
-}
-
-
-// When doing a SquirrelObject assignment, a reference using the current
-// VM is done.
-HSQUIRRELVM g_VM_pushed;
-void SquirrelVMSys::PushRefVM( HSQUIRRELVM v ){
- assert( !g_VM_pushed );
- g_VM_pushed = SquirrelVM::_VM;
- SquirrelVM::_VM = v;
-}
-
-void SquirrelVMSys::PopRefVM( ){
- SquirrelVM::_VM = g_VM_pushed;
- g_VM_pushed = NULL;
-}
-
-
-bool SquirrelVM::Init( HSQUIRRELVM v ){
- if( v && v==_VM )
- return true;
-
- // Do we have a previous state?
- Release( );
-
- bool created_new = false;
- if( !v ){
- // Create a new VM - a root VM with new SharedState.
- v = sq_open(1024);
- if( !v ) return false;
- // Store the associated shared state in a linked list. The state will only
- // be destroyed at app shutdown. Often that is fine, but if using many
- // VM:s briefly, this allocation is not optimal.
- new SQSharedStateNode( _ss(v) );
- created_new = true;
- sq_setprintfunc(v,SquirrelVM::PrintFunc, SquirrelVM::PrintFunc);
- sq_pushroottable(v);
- sqstd_register_iolib(v);
- sqstd_register_bloblib(v);
- sqstd_register_mathlib(v);
- sqstd_register_stringlib(v);
-#ifdef SQPLUS_SQUIRRELVM_WITH_SYSTEMLIB
- sqstd_register_systemlib(v);
-#endif
- sqstd_seterrorhandlers(v);
- //TODO error handler, compiler error handler
- sq_pop(v,1);
- }
-
- // After this we hold a ref
- _no_vm_ref = false;
- _VM = v;
- _vm = v;
-
- // In the case where Squirrel is ref counted we currently
- // hold two references to the VM (since it is created with
- // a ref count of 1). In the GC case, it is outside of the
- // chain of valid objects, so it is not referenced. Compensate
- // in ref counted case.
- if( created_new )
- DropVMRefIfRefCounted( v );
-
- return true;
-}
-
-bool SquirrelVM::InitNoRef( HSQUIRRELVM v ){
- if( v && v==_VM )
- return true;
-
- // Do we have a previous state?
- Release( );
-
- // Set pointer to this VM, without referencing it
- _no_vm_ref = true;
- _VM = v;
-
- return true;
-}
-
-/*
-void SquirrelVM::Init( HSQUIRRELVM v )
-{
- if( v && v==_VM ) {
- return;
- }
-
- // Do we have a previous state?
- Release();
-
- if( !v ){
- // Create a new VM and own it
- _VM = sq_open(1024);
- sq_setprintfunc(_VM,SquirrelVM::PrintFunc);
- sq_pushroottable(_VM);
- sqstd_register_iolib(_VM);
- sqstd_register_bloblib(_VM);
- sqstd_register_mathlib(_VM);
- sqstd_register_stringlib(_VM);
- sqstd_seterrorhandlers(_VM);
- //TODO error handler, compiler error handler
- sq_pop(_VM,1);
- }
- else {
- _VM = v;
- }
- // After this we hold a ref
- _vm = _VM;
-}
-*/
-
-void SquirrelVM::Release() {
- // Release root table object if we have one
- if( _root ){
- delete _root;
- _root = NULL;
- }
-
- // Release our ref on VM - if we should
- if( !_no_vm_ref )
- _vm.Reset();
-
- _VM = NULL;
-}
-
-void SquirrelVM::DropVMRefIfRefCounted( HSQUIRRELVM v ){
-#ifdef NO_GARBAGE_COLLECTOR
- if( v ){
- SQObject t;
- t._unVal.pThread = v;
- t._type = OT_THREAD;
- sq_release( v, &t );
- }
-#endif
-}
-
-BOOL SquirrelVM::Update()
-{
- //update remote debugger
- return TRUE;
-}
-
-void SquirrelVM::PrintFunc(HSQUIRRELVM v,const SQChar* s,...)
-{
- static SQChar temp[2048];
- va_list vl;
- va_start(vl, s);
- scvsprintf( temp,s, vl);
- SCPUTS(temp);
- va_end(vl);
-}
-
-SquirrelObject SquirrelVM::CompileScript(const SQChar *s)
-{
- SquirrelObject ret;
- if(SQ_SUCCEEDED(sqstd_loadfile(_VM,s,1))) {
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
- }
- throw SquirrelError();
-}
-
-SquirrelObject SquirrelVM::CompileBuffer(const SQChar *s,const SQChar * debugInfo)
-{
- SquirrelObject ret;
- if(SQ_SUCCEEDED(sq_compilebuffer(_VM,s,(int)scstrlen(s)*sizeof(SQChar),debugInfo,1))) {
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
- }
- throw SquirrelError();
-}
-
-SquirrelObject SquirrelVM::RunScript(const SquirrelObject &o,SquirrelObject *_this)
-{
- SquirrelObject ret;
- sq_pushobject(_VM,o._o);
- if(_this) {
- sq_pushobject(_VM,_this->_o);
- }
- else {
- sq_pushroottable(_VM);
- }
- if(SQ_SUCCEEDED(sq_call(_VM,1,SQTrue,SQ_CALL_RAISE_ERROR))) {
- ret.AttachToStackObject(-1);
- sq_pop(_VM,2);
- return ret;
- }
- sq_pop(_VM,1);
- throw SquirrelError();
-
-}
-
-
-BOOL SquirrelVM::BeginCall(const SquirrelObject &func)
-{
- if(_CallState != -1)
- return FALSE;
- _CallState = 1;
- sq_pushobject(_VM,func._o);
- sq_pushroottable(_VM);
- return TRUE;
-}
-
-BOOL SquirrelVM::BeginCall(const SquirrelObject &func,SquirrelObject &_this)
-{
- if(_CallState != -1)
- throw SquirrelError(_SC("call already initialized"));
- _CallState = 1;
- sq_pushobject(_VM,func._o);
- sq_pushobject(_VM,_this._o);
- return TRUE;
-}
-
-#define _CHECK_CALL_STATE \
- if(_CallState == -1) \
- throw SquirrelError(_SC("call not initialized"));
-
-void SquirrelVM::PushParam(const SquirrelObject &o)
-{
- _CHECK_CALL_STATE
- sq_pushobject(_VM,o._o);
- _CallState++;
-}
-
-void SquirrelVM::PushParam(const SQChar *s)
-{
- _CHECK_CALL_STATE
- sq_pushstring(_VM,s,-1);
- _CallState++;
-}
-
-void SquirrelVM::PushParam(SQInteger n)
-{
- _CHECK_CALL_STATE
- sq_pushinteger(_VM,n);
- _CallState++;
-}
-
-void SquirrelVM::PushParam(SQFloat f)
-{
- _CHECK_CALL_STATE
- sq_pushfloat(_VM,f);
- _CallState++;
-}
-
-void SquirrelVM::PushParamNull()
-{
- _CHECK_CALL_STATE
- sq_pushnull(_VM);
- _CallState++;
-}
-
-void SquirrelVM::PushParam(SQUserPointer up)
-{
- _CHECK_CALL_STATE
- sq_pushuserpointer(_VM,up);
- _CallState++;
-}
-
-SquirrelObject SquirrelVM::EndCall()
-{
- SquirrelObject ret;
- if(_CallState >= 0) {
- int oldtop = sq_gettop(_VM);
- int nparams = _CallState;
- _CallState = -1;
- if(SQ_SUCCEEDED(sq_call(_VM,nparams,SQTrue,SQ_CALL_RAISE_ERROR))) {
- ret.AttachToStackObject(-1);
- sq_pop(_VM,2);
- }else {
- sq_settop(_VM,oldtop-(nparams+1));
- throw SquirrelError();
- }
-
- }
- return ret;
-}
-
-SquirrelObject SquirrelVM::CreateInstance(SquirrelObject &oclass)
-{
- SquirrelObject ret;
- int oldtop = sq_gettop(_VM);
- sq_pushobject(_VM,oclass._o);
- if(SQ_FAILED(sq_createinstance(_VM,-1))) {
- sq_settop(_VM,oldtop);
- throw SquirrelError();
- }
- ret.AttachToStackObject(-1);
- sq_pop(_VM,2);
- return ret;
-}
-
-SquirrelObject SquirrelVM::CreateTable()
-{
- SquirrelObject ret;
- sq_newtable(_VM);
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
-}
-
-SquirrelObject SquirrelVM::CreateString(const SQChar *s)
-{
- SquirrelObject ret;
- sq_pushstring(_VM,s,-1);
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
-}
-
-
-SquirrelObject SquirrelVM::CreateArray(int size)
-{
- SquirrelObject ret;
- sq_newarray(_VM,size);
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
-}
-
-SquirrelObject SquirrelVM::CreateFunction(SQFUNCTION func)
-{
- SquirrelObject ret;
- sq_newclosure(_VM,func,0);
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
-}
-
-SquirrelObject SquirrelVM::CreateUserData(int size) {
- SquirrelObject ret;
- sq_newuserdata(_VM,size);
- ret.AttachToStackObject(-1);
- sq_pop(_VM,1);
- return ret;
-}
-
-const SquirrelObject &SquirrelVM::GetRootTable()
-{
- if( !_root ){
- sq_pushroottable(_VM);
- _root = new SquirrelObject();
- _root->AttachToStackObject(-1);
- sq_pop(_VM,1);
- }
- return *_root;
-}
-
-void SquirrelVM::PushRootTable(void) {
- sq_pushroottable(_VM);
-} // SquirrelVM::PushRootTable
-
-// Creates a function in the table or class currently on the stack.
-//void CreateFunction(HSQUIRRELVM v,const SQChar * scriptFuncName,SQFUNCTION func,int numParams=0,const SQChar * typeMask=0) {
-SquirrelObject SquirrelVM::CreateFunction(SQFUNCTION func,const SQChar * scriptFuncName,const SQChar * typeMask) {
- sq_pushstring(_VM,scriptFuncName,-1);
- sq_newclosure(_VM,func,0);
- SquirrelObject ret;
- ret.AttachToStackObject(-1);
- SQChar tm[64];
- SQChar * ptm = tm;
- int numParams = SQ_MATCHTYPEMASKSTRING;
- if (typeMask) {
- if (typeMask[0] == '*') {
- ptm = 0; // Variable args: don't check parameters.
- numParams = 0; // Clear SQ_MATCHTYPEMASKSTRING (does not mean match 0 params. See sq_setparamscheck()).
- } else {
- if (SCSNPRINTF(tm,sizeof(tm),_SC("t|y|x%s"),typeMask) < 0) {
-// sq_throwerror(_VM,_SC("CreateFunction: typeMask string too long."));
- throw SquirrelError(_SC("CreateFunction: typeMask string too long."));
- } // if
- } // if
- } else { // <TODO> Need to check object type on stack: table, class, instance, etc.
- SCSNPRINTF(tm,sizeof(tm),_SC("%s"),_SC("t|y|x")); // table, class, instance.
-// tm[0] = 't';
-// tm[1] = 0;
- } // if
-#if 0
- sq_setparamscheck(_VM,numParams+1,ptm); // Parameters are table+args (thus, the +1).
-#else
- if (ptm) {
- sq_setparamscheck(_VM,numParams,ptm); // Determine arg count from type string.
- } // if
-#endif
-#ifdef _DEBUG
- sq_setnativeclosurename(_VM,-1,scriptFuncName); // For debugging only.
-#endif
- sq_createslot(_VM,-3); // Create slot in table or class (assigning function to slot at scriptNameFunc).
- return ret;
-} // SquirrelVM::CreateFunction
-
-SquirrelObject SquirrelVM::CreateFunction(SquirrelObject & so,SQFUNCTION func,const SQChar * scriptFuncName,const SQChar * typeMask) {
- PushObject(so);
- SquirrelObject ret = CreateFunction(func,scriptFuncName,typeMask);
- Pop(1);
- return ret;
-} // SquirrelVM::CreateFunction
-
-// Create a Global function on the root table.
-//void CreateFunctionGlobal(HSQUIRRELVM v,const SQChar * scriptFuncName,SQFUNCTION func,int numParams=0,const SQChar * typeMask=0) {
-SquirrelObject SquirrelVM::CreateFunctionGlobal(SQFUNCTION func,const SQChar * scriptFuncName,const SQChar * typeMask) {
- PushRootTable(); // Push root table.
- // CreateFunction(scriptFuncName,func,numParams,typeMask);
- SquirrelObject ret = CreateFunction(func,scriptFuncName,typeMask);
- Pop(1); // Pop root table.
- return ret;
-} // SquirrelVM::CreateFunctionGlobal
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