diff options
Diffstat (limited to 'squirrel_3_0_1_stable/sqrat/sqrat/sqratVM.h')
| -rw-r--r-- | squirrel_3_0_1_stable/sqrat/sqrat/sqratVM.h | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/squirrel_3_0_1_stable/sqrat/sqrat/sqratVM.h b/squirrel_3_0_1_stable/sqrat/sqrat/sqratVM.h deleted file mode 100644 index 48a909300..000000000 --- a/squirrel_3_0_1_stable/sqrat/sqrat/sqratVM.h +++ /dev/null @@ -1,255 +0,0 @@ -// wrapper for the Squirrel VM under Sqrat -// -// Copyright (c) 2011 Alston Chen -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would be -// appreciated but is not required. -// -// 2. Altered source versions must be plainly marked as such, and must not be -// misrepresented as being the original software. -// -// 3. This notice may not be removed or altered from any source -// distribution. -// -// - -#if !defined(_SCRAT_VM_H_) -#define _SCRAT_VM_H_ - -#include <squirrel.h> -#include <sqrat.h> -#include <map> - -#include <iostream> -#include <stdarg.h> - -#include <sqstdio.h> -#include <sqstdblob.h> -#include <sqstdmath.h> -#include <sqstdsystem.h> -#include <sqstdstring.h> - -namespace Sqrat { - -class SqratVM -{ -private: - static std::map<HSQUIRRELVM, SqratVM*> ms_sqratVMs; - static void s_addVM(HSQUIRRELVM vm, SqratVM* sqratvm); - static void s_deleteVM(HSQUIRRELVM vm); - static SqratVM* s_getVM(HSQUIRRELVM vm); - - HSQUIRRELVM m_vm; - Sqrat::RootTable* m_rootTable; - Sqrat::Script* m_script; - Sqrat::string m_lastErrorMsg; - -private: - static void printFunc(HSQUIRRELVM v, const SQChar *s, ...); - static SQInteger runtimeErrorHandler(HSQUIRRELVM v); - static void compilerErrorHandler(HSQUIRRELVM v, - const SQChar* desc, - const SQChar* source, - SQInteger line, - SQInteger column); -public: - enum ERROR_STATE - { - NO_ERROR, COMPILE_ERROR, RUNTIME_ERROR - }; - - SqratVM(int initialStackSize = 1024); - ~SqratVM(); - - HSQUIRRELVM getVM() { return m_vm; } - Sqrat::RootTable& getRootTable() { return *m_rootTable; } - Sqrat::Script& getScript() { return *m_script; } - - Sqrat::string getLastErrorMsg() { return m_lastErrorMsg; } - void setLastErrorMsg(const Sqrat::string& str) { m_lastErrorMsg = str; } - - void setPrintFunc(SQPRINTFUNCTION printFunc, SQPRINTFUNCTION errFunc); - void setErrorHandler(SQFUNCTION runErr, SQCOMPILERERROR comErr); - - ERROR_STATE doString(const Sqrat::string& str); - ERROR_STATE doFile(const Sqrat::string& file); -}; - - - - -#ifdef SQUNICODE - #define scvprintf vwprintf -#else - #define scvprintf vprintf -#endif - - -std::map<HSQUIRRELVM, SqratVM*> SqratVM::ms_sqratVMs; - -void SqratVM::s_addVM(HSQUIRRELVM vm, SqratVM* sqratvm) -{ - //TODO: use mutex to lock ms_sqratVMs - ms_sqratVMs.insert(std::make_pair(vm, sqratvm)); -} -void SqratVM::s_deleteVM(HSQUIRRELVM vm) -{ - //TODO: use mutex to lock ms_sqratVMs - ms_sqratVMs.erase(vm); -} -SqratVM* SqratVM::s_getVM(HSQUIRRELVM vm) -{ - //TODO: use mutex to lock ms_sqratVMs - return ms_sqratVMs[vm]; -} - -void SqratVM::printFunc(HSQUIRRELVM v, const SQChar *s, ...) -{ - va_list vl; - va_start(vl, s); - scvprintf(s, vl); - va_end(vl); -} - -SQInteger SqratVM::runtimeErrorHandler(HSQUIRRELVM v) -{ - const SQChar *sErr = 0; - if(sq_gettop(v) >= 1) - { - Sqrat::string& errStr = s_getVM(v)->m_lastErrorMsg; - - if(SQ_SUCCEEDED(sq_getstring(v, 2, &sErr))) - { - //scprintf(_SC("RuntimeError: %s\n"), sErr); - //errStr = _SC("RuntimeError: ") + sErr; - errStr = sErr; - } - else - { - //scprintf(_SC("An Unknown RuntimeError Occured.\n")); - errStr = _SC("An Unknown RuntimeError Occured."); - } - } - return 0; -} - -void SqratVM::compilerErrorHandler(HSQUIRRELVM v, - const SQChar* desc, - const SQChar* source, - SQInteger line, - SQInteger column) -{ - //scprintf(_SC("%s(%d:%d): %s\n"), source, line, column, desc); - - SQChar buf[512]; - scsprintf(buf, _SC("%s(%d:%d): %s"), source, line, column, desc); - s_getVM(v)->m_lastErrorMsg = buf; -} - -SqratVM::SqratVM(int initialStackSize /* = 1024 */) - : m_vm(sq_open(initialStackSize)) - , m_rootTable(new Sqrat::RootTable(m_vm)) - , m_script(new Sqrat::Script(m_vm)) - , m_lastErrorMsg() -{ - s_addVM(m_vm, this); - - //register std libs - sq_pushroottable(m_vm); - sqstd_register_iolib(m_vm); - sqstd_register_bloblib(m_vm); - sqstd_register_mathlib(m_vm); - sqstd_register_systemlib(m_vm); - sqstd_register_stringlib(m_vm); - sq_pop(m_vm, 1); - - setPrintFunc(printFunc, printFunc); - setErrorHandler(runtimeErrorHandler, compilerErrorHandler); -} - -SqratVM::~SqratVM() -{ - s_deleteVM(m_vm); - - delete m_script; - delete m_rootTable; - sq_close(m_vm); -} - -void SqratVM::setPrintFunc(SQPRINTFUNCTION printFunc, SQPRINTFUNCTION errFunc) -{ - sq_setprintfunc(m_vm, printFunc, errFunc); -} - -void SqratVM::setErrorHandler(SQFUNCTION runErr, SQCOMPILERERROR comErr) -{ - sq_newclosure(m_vm, runErr, 0); - sq_seterrorhandler(m_vm); - - sq_setcompilererrorhandler(m_vm, comErr); -} - -SqratVM::ERROR_STATE SqratVM::doString(const Sqrat::string& str) -{ - Sqrat::string msg; - m_lastErrorMsg.clear(); - - if(!m_script->CompileString(str, msg)) - { - if(m_lastErrorMsg.empty()) - { - m_lastErrorMsg = msg; - } - return COMPILE_ERROR; - } - - if(!m_script->Run(msg)) - { - if(m_lastErrorMsg.empty()) - { - m_lastErrorMsg = msg; - } - return RUNTIME_ERROR; - } - - return NO_ERROR; -} - -SqratVM::ERROR_STATE SqratVM::doFile(const Sqrat::string& file) -{ - Sqrat::string msg; - m_lastErrorMsg.clear(); - - if(!m_script->CompileFile(file, msg)) - { - if(m_lastErrorMsg.empty()) - { - m_lastErrorMsg = msg; - } - return COMPILE_ERROR; - } - - if(!m_script->Run(msg)) - { - if(m_lastErrorMsg.empty()) - { - m_lastErrorMsg = msg; - } - return RUNTIME_ERROR; - } - - return NO_ERROR; -} -} - -#endif |