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Move Squirrel outside the repo.

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This commit is contained in:
Sandu Liviu Catalin 2020-05-26 18:52:14 +03:00
parent 98fda61a77
commit 5ed8a6a1db
50 changed files with 0 additions and 15280 deletions
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77
squirrel/CMakeLists.txt
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# Create the Squirrel library
add_library(Squirrel STATIC
include/sqconfig.h
include/sqstdaux.h
include/sqstdblob.h
include/sqstdmath.h
include/sqstdstring.h
include/sqstdsystem.h
include/squirrel.h
include/squirrelex.h
sqapi.cpp
sqapiex.cpp
sqarray.h
sqbaselib.cpp
sqclass.cpp sqclass.h
sqclosure.h
sqcompiler.cpp sqcompiler.h
sqdebug.cpp
sqfuncproto.h
sqfuncstate.cpp sqfuncstate.h
sqlexer.cpp sqlexer.h
sqmem.cpp
sqobject.cpp sqobject.h
sqopcodes.h
sqpcheader.h
sqstate.cpp sqstate.h
sqstring.h
sqtable.cpp sqtable.h
squserdata.h
squtils.h
sqvm.cpp sqvm.h
stdlib/sqstdaux.cpp
stdlib/sqstdblob.cpp
stdlib/sqstdblobimpl.h
stdlib/sqstdio.cpp
stdlib/sqstdmath.cpp
stdlib/sqstdrex.cpp
stdlib/sqstdstream.cpp
stdlib/sqstdstream.h
stdlib/sqstdstring.cpp
stdlib/sqstdsystem.cpp
)
# Determine if build mode
if(CMAKE_BUILD_TYPE MATCHES Release)
target_compile_definitions(Squirrel PRIVATE NDEBUG=1)
else()
target_compile_definitions(Squirrel PRIVATE _DEBUG=1)
endif()
# Make sure Squirrel knows this is 64 bit
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
target_compile_definitions(Squirrel PUBLIC _SQ64)
endif()
# Set speciffic compiler options
if (GCC OR MINGW)
target_compile_options(Squirrel PRIVATE -w
-fno-exceptions
-fno-rtti
-fno-strict-aliasing
-Wno-format
-Wno-unused-variable
-Wno-unused-but-set-variable
)
endif()
# Configure build options
target_compile_definitions(Squirrel PRIVATE GARBAGE_COLLECTOR=1)
# Library includes
target_include_directories(Squirrel PRIVATE ${CMAKE_CURRENT_LIST_DIR})
target_include_directories(Squirrel PUBLIC ${CMAKE_CURRENT_LIST_DIR}/include)
target_include_directories(Squirrel PRIVATE ${CMAKE_CURRENT_LIST_DIR}/stdlib)
# Create the Squirrel library
add_library(SquirrelAPI INTERFACE)
# Library includes
target_include_directories(SquirrelAPI INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
# Switch to plugin-development mode
if(PLUGIN_DEVEL)
target_compile_definitions(SquirrelAPI INTERFACE SQMOD_PLUGIN_API=1)
endif()

21
squirrel/COPYRIGHT
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Copyright (c) 2003-2016 Alberto Demichelis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------
END OF COPYRIGHT

146
squirrel/include/sqconfig.h
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#ifdef _SQ64
#ifdef _MSC_VER
typedef __int64 SQInteger;
typedef unsigned __int64 SQUnsignedInteger;
typedef unsigned __int64 SQHash; /*should be the same size of a pointer*/
#else
typedef long long SQInteger;
typedef unsigned long long SQUnsignedInteger;
typedef unsigned long long SQHash; /*should be the same size of a pointer*/
#endif
typedef int SQInt32;
typedef unsigned int SQUnsignedInteger32;
#else
typedef int SQInteger;
typedef int SQInt32; /*must be 32 bits(also on 64bits processors)*/
typedef unsigned int SQUnsignedInteger32; /*must be 32 bits(also on 64bits processors)*/
typedef unsigned int SQUnsignedInteger;
typedef unsigned int SQHash; /*should be the same size of a pointer*/
#endif
#ifdef SQUSEDOUBLE
typedef double SQFloat;
#else
typedef float SQFloat;
#endif
#if defined(SQUSEDOUBLE) && !defined(_SQ64) || !defined(SQUSEDOUBLE) && defined(_SQ64)
#ifdef _MSC_VER
typedef __int64 SQRawObjectVal; //must be 64bits
#else
typedef long long SQRawObjectVal; //must be 64bits
#endif
#define SQ_OBJECT_RAWINIT() { _unVal.raw = 0; }
#else
typedef SQUnsignedInteger SQRawObjectVal; //is 32 bits on 32 bits builds and 64 bits otherwise
#define SQ_OBJECT_RAWINIT()
#endif
#ifndef SQ_ALIGNMENT // SQ_ALIGNMENT shall be less than or equal to SQ_MALLOC alignments, and its value shall be power of 2.
#if defined(SQUSEDOUBLE) || defined(_SQ64)
#define SQ_ALIGNMENT 8
#else
#define SQ_ALIGNMENT 4
#endif
#endif
typedef void* SQUserPointer;
typedef SQUnsignedInteger SQBool;
typedef SQInteger SQRESULT;
#ifdef SQUNICODE
#include <wchar.h>
#include <wctype.h>
typedef wchar_t SQChar;
#define scstrcmp wcscmp
#ifdef _WIN32
#define scsprintf _snwprintf
#else
#define scsprintf swprintf
#endif
#define scstrlen wcslen
#define scstrtod wcstod
#ifdef _SQ64
#define scstrtol wcstoll
#else
#define scstrtol wcstol
#endif
#define scstrtoul wcstoul
#define scvsprintf vswprintf
#define scstrstr wcsstr
#define scprintf wprintf
#ifdef _WIN32
#define WCHAR_SIZE 2
#define WCHAR_SHIFT_MUL 1
#define MAX_CHAR 0xFFFF
#else
#define WCHAR_SIZE 4
#define WCHAR_SHIFT_MUL 2
#define MAX_CHAR 0xFFFFFFFF
#endif
#define _SC(a) L##a
#define scisspace iswspace
#define scisdigit iswdigit
#define scisprint iswprint
#define scisxdigit iswxdigit
#define scisalpha iswalpha
#define sciscntrl iswcntrl
#define scisalnum iswalnum
#define sq_rsl(l) ((l)<<WCHAR_SHIFT_MUL)
#else
typedef char SQChar;
#define _SC(a) a
#define scstrcmp strcmp
#ifdef _MSC_VER
#define scsprintf _snprintf
#else
#define scsprintf snprintf
#endif
#define scstrlen strlen
#define scstrtod strtod
#ifdef _SQ64
#ifdef _MSC_VER
#define scstrtol _strtoi64
#else
#define scstrtol strtoll
#endif
#else
#define scstrtol strtol
#endif
#define scstrtoul strtoul
#define scvsprintf vsnprintf
#define scstrstr strstr
#define scisspace isspace
#define scisdigit isdigit
#define scisprint isprint
#define scisxdigit isxdigit
#define sciscntrl iscntrl
#define scisalpha isalpha
#define scisalnum isalnum
#define scprintf printf
#define MAX_CHAR 0xFF
#define sq_rsl(l) (l)
#endif
#ifdef _SQ64
#define _PRINT_INT_PREC _SC("ll")
#define _PRINT_INT_FMT _SC("%lld")
#else
#define _PRINT_INT_FMT _SC("%d")
#endif

21
squirrel/include/sqstdaux.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTD_AUXLIB_H_
#define _SQSTD_AUXLIB_H_
#ifdef __cplusplus
extern "C" {
#endif
SQUIRREL_API void sqstd_dumptypename(HSQUIRRELVM v, SQInteger idx, const SQChar *name, SQPRINTFUNCTION pf);
SQUIRREL_API void sqstd_dumpstack(HSQUIRRELVM v, SQInteger bottom, SQInteger top, SQPRINTFUNCTION pf);
SQUIRREL_API void sqstd_seterrorhandlers(HSQUIRRELVM v);
SQUIRREL_API void sqstd_printcallstack(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sqstd_throwerrorf(HSQUIRRELVM v,const SQChar *err,...);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /* _SQSTD_AUXLIB_H_ */

20
squirrel/include/sqstdblob.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTDBLOB_H_
#define _SQSTDBLOB_H_
#ifdef __cplusplus
extern "C" {
#endif
SQUIRREL_API SQUserPointer sqstd_createblob(HSQUIRRELVM v, SQInteger size);
SQUIRREL_API SQRESULT sqstd_getblob(HSQUIRRELVM v,SQInteger idx,SQUserPointer *ptr);
SQUIRREL_API SQInteger sqstd_getblobsize(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sqstd_register_bloblib(HSQUIRRELVM v);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*_SQSTDBLOB_H_*/

54
squirrel/include/sqstdio.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTDIO_H_
#define _SQSTDIO_H_
#ifdef __cplusplus
#define SQSTD_STREAM_TYPE_TAG 0x80000000
struct SQStream {
virtual ~SQStream() {}
virtual SQInteger Read(void *buffer, SQInteger size) = 0;
virtual SQInteger Write(void *buffer, SQInteger size) = 0;
virtual SQInteger Flush() = 0;
virtual SQInteger Tell() = 0;
virtual SQInteger Len() = 0;
virtual SQInteger Seek(SQInteger offset, SQInteger origin) = 0;
virtual bool IsValid() = 0;
virtual bool EOS() = 0;
};
extern "C" {
#endif
#define SQ_SEEK_CUR 0
#define SQ_SEEK_END 1
#define SQ_SEEK_SET 2
typedef void* SQFILE;
SQUIRREL_API SQFILE sqstd_fopen(const SQChar *,const SQChar *);
SQUIRREL_API SQInteger sqstd_fread(SQUserPointer, SQInteger, SQInteger, SQFILE);
SQUIRREL_API SQInteger sqstd_fwrite(const SQUserPointer, SQInteger, SQInteger, SQFILE);
SQUIRREL_API SQInteger sqstd_fseek(SQFILE , SQInteger , SQInteger);
SQUIRREL_API SQInteger sqstd_ftell(SQFILE);
SQUIRREL_API SQInteger sqstd_fflush(SQFILE);
SQUIRREL_API SQInteger sqstd_fclose(SQFILE);
SQUIRREL_API SQInteger sqstd_feof(SQFILE);
SQUIRREL_API SQRESULT sqstd_createfile(HSQUIRRELVM v, SQFILE file,SQBool own);
SQUIRREL_API SQRESULT sqstd_getfile(HSQUIRRELVM v, SQInteger idx, SQFILE *file);
//compiler helpers
SQUIRREL_API SQRESULT sqstd_loadfile(HSQUIRRELVM v,const SQChar *filename,SQBool printerror);
SQUIRREL_API SQRESULT sqstd_dofile(HSQUIRRELVM v,const SQChar *filename,SQBool retval,SQBool printerror);
SQUIRREL_API SQRESULT sqstd_writeclosuretofile(HSQUIRRELVM v,const SQChar *filename);
SQUIRREL_API SQRESULT sqstd_register_iolib(HSQUIRRELVM v);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*_SQSTDIO_H_*/

15
squirrel/include/sqstdmath.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTD_MATH_H_
#define _SQSTD_MATH_H_
#ifdef __cplusplus
extern "C" {
#endif
SQUIRREL_API SQRESULT sqstd_register_mathlib(HSQUIRRELVM v);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*_SQSTD_MATH_H_*/

35
squirrel/include/sqstdstring.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTD_STRING_H_
#define _SQSTD_STRING_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef unsigned int SQRexBool;
typedef struct SQRex SQRex;
typedef struct {
const SQChar *begin;
SQInteger len;
} SQRexMatch;
SQUIRREL_API SQRex *sqstd_rex_compile(const SQChar *pattern,const SQChar **error);
SQUIRREL_API void sqstd_rex_free(SQRex *exp);
SQUIRREL_API SQBool sqstd_rex_match(SQRex* exp,const SQChar* text);
SQUIRREL_API SQBool sqstd_rex_search(SQRex* exp,const SQChar* text, const SQChar** out_begin, const SQChar** out_end);
SQUIRREL_API SQBool sqstd_rex_searchrange(SQRex* exp,const SQChar* text_begin,const SQChar* text_end,const SQChar** out_begin, const SQChar** out_end);
SQUIRREL_API SQInteger sqstd_rex_getsubexpcount(SQRex* exp);
SQUIRREL_API SQBool sqstd_rex_getsubexp(SQRex* exp, SQInteger n, SQRexMatch *subexp);
SQUIRREL_API SQRESULT sqstd_format(HSQUIRRELVM v,SQInteger nformatstringidx,SQInteger *outlen,SQChar **output);
SQUIRREL_API void sqstd_pushstringf(HSQUIRRELVM v,const SQChar *s,...);
SQUIRREL_API SQRESULT sqstd_register_stringlib(HSQUIRRELVM v);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*_SQSTD_STRING_H_*/

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squirrel/include/sqstdsystem.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTD_SYSTEMLIB_H_
#define _SQSTD_SYSTEMLIB_H_
#ifdef __cplusplus
extern "C" {
#endif
SQUIRREL_API SQInteger sqstd_register_systemlib(HSQUIRRELVM v);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /* _SQSTD_SYSTEMLIB_H_ */

422
squirrel/include/squirrel.h
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/*
Copyright (c) 2003-2017 Alberto Demichelis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef _SQUIRREL_H_
#define _SQUIRREL_H_
#ifdef _SQ_CONFIG_INCLUDE
#include _SQ_CONFIG_INCLUDE
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef SQUIRREL_API
#define SQUIRREL_API extern
#endif
#if (defined(_WIN64) || defined(_LP64))
#ifndef _SQ64
#define _SQ64
#endif
#endif
#define SQTrue (1)
#define SQFalse (0)
struct SQVM;
struct SQTable;
struct SQArray;
struct SQString;
struct SQClosure;
struct SQGenerator;
struct SQNativeClosure;
struct SQUserData;
struct SQFunctionProto;
struct SQRefCounted;
struct SQClass;
struct SQInstance;
struct SQDelegable;
struct SQOuter;
#ifdef _UNICODE
#define SQUNICODE
#endif
#include "sqconfig.h"
#define SQUIRREL_VERSION _SC("Squirrel 3.1 stable")
#define SQUIRREL_COPYRIGHT _SC("Copyright (C) 2003-2017 Alberto Demichelis")
#define SQUIRREL_AUTHOR _SC("Alberto Demichelis")
#define SQUIRREL_VERSION_NUMBER 310
#define SQ_VMSTATE_IDLE 0
#define SQ_VMSTATE_RUNNING 1
#define SQ_VMSTATE_SUSPENDED 2
#define SQUIRREL_EOB 0
#define SQ_BYTECODE_STREAM_TAG 0xFAFA
#define SQOBJECT_REF_COUNTED 0x08000000u
#define SQOBJECT_NUMERIC 0x04000000u
#define SQOBJECT_DELEGABLE 0x02000000u
#define SQOBJECT_CANBEFALSE 0x01000000u
#define SQ_MATCHTYPEMASKSTRING (-99999)
#define _RT_MASK 0x00FFFFFFu
#define _RAW_TYPE(type) (type&_RT_MASK)
#define _RT_NULL 0x00000001u
#define _RT_INTEGER 0x00000002u
#define _RT_FLOAT 0x00000004u
#define _RT_BOOL 0x00000008u
#define _RT_STRING 0x00000010u
#define _RT_TABLE 0x00000020u
#define _RT_ARRAY 0x00000040u
#define _RT_USERDATA 0x00000080u
#define _RT_CLOSURE 0x00000100u
#define _RT_NATIVECLOSURE 0x00000200u
#define _RT_GENERATOR 0x00000400u
#define _RT_USERPOINTER 0x00000800u
#define _RT_THREAD 0x00001000u
#define _RT_FUNCPROTO 0x00002000u
#define _RT_CLASS 0x00004000u
#define _RT_INSTANCE 0x00008000u
#define _RT_WEAKREF 0x00010000u
#define _RT_OUTER 0x00020000u
typedef enum tagSQObjectType{
OT_NULL = (_RT_NULL|SQOBJECT_CANBEFALSE),
OT_INTEGER = (_RT_INTEGER|SQOBJECT_NUMERIC|SQOBJECT_CANBEFALSE),
OT_FLOAT = (_RT_FLOAT|SQOBJECT_NUMERIC|SQOBJECT_CANBEFALSE),
OT_BOOL = (_RT_BOOL|SQOBJECT_CANBEFALSE),
OT_STRING = (_RT_STRING|SQOBJECT_REF_COUNTED),
OT_TABLE = (_RT_TABLE|SQOBJECT_REF_COUNTED|SQOBJECT_DELEGABLE),
OT_ARRAY = (_RT_ARRAY|SQOBJECT_REF_COUNTED),
OT_USERDATA = (_RT_USERDATA|SQOBJECT_REF_COUNTED|SQOBJECT_DELEGABLE),
OT_CLOSURE = (_RT_CLOSURE|SQOBJECT_REF_COUNTED),
OT_NATIVECLOSURE = (_RT_NATIVECLOSURE|SQOBJECT_REF_COUNTED),
OT_GENERATOR = (_RT_GENERATOR|SQOBJECT_REF_COUNTED),
OT_USERPOINTER = _RT_USERPOINTER,
OT_THREAD = (_RT_THREAD|SQOBJECT_REF_COUNTED) ,
OT_FUNCPROTO = (_RT_FUNCPROTO|SQOBJECT_REF_COUNTED), //internal usage only
OT_CLASS = (_RT_CLASS|SQOBJECT_REF_COUNTED),
OT_INSTANCE = (_RT_INSTANCE|SQOBJECT_REF_COUNTED|SQOBJECT_DELEGABLE),
OT_WEAKREF = (_RT_WEAKREF|SQOBJECT_REF_COUNTED),
OT_OUTER = (_RT_OUTER|SQOBJECT_REF_COUNTED) //internal usage only
}SQObjectType;
#define ISREFCOUNTED(t) (t&SQOBJECT_REF_COUNTED)
typedef union tagSQObjectValue
{
struct SQTable *pTable;
struct SQArray *pArray;
struct SQClosure *pClosure;
struct SQOuter *pOuter;
struct SQGenerator *pGenerator;
struct SQNativeClosure *pNativeClosure;
struct SQString *pString;
struct SQUserData *pUserData;
SQInteger nInteger;
SQFloat fFloat;
SQUserPointer pUserPointer;
struct SQFunctionProto *pFunctionProto;
struct SQRefCounted *pRefCounted;
struct SQDelegable *pDelegable;
struct SQVM *pThread;
struct SQClass *pClass;
struct SQInstance *pInstance;
struct SQWeakRef *pWeakRef;
SQRawObjectVal raw;
}SQObjectValue;
typedef struct tagSQObject
{
SQObjectType _type;
SQObjectValue _unVal;
}SQObject;
typedef struct tagSQMemberHandle{
SQBool _static;
SQInteger _index;
}SQMemberHandle;
typedef struct tagSQStackInfos{
const SQChar* funcname;
const SQChar* source;
SQInteger line;
}SQStackInfos;
typedef struct SQVM* HSQUIRRELVM;
typedef SQObject HSQOBJECT;
typedef SQMemberHandle HSQMEMBERHANDLE;
typedef SQInteger (*SQFUNCTION)(HSQUIRRELVM);
typedef SQInteger (*SQRELEASEHOOK)(SQUserPointer,SQInteger size);
typedef void (*SQCOMPILERERROR)(HSQUIRRELVM,const SQChar * /*desc*/,const SQChar * /*source*/,SQInteger /*line*/,SQInteger /*column*/);
typedef void (*SQPRINTFUNCTION)(HSQUIRRELVM,const SQChar * ,...);
typedef void (*SQDEBUGHOOK)(HSQUIRRELVM /*v*/, SQInteger /*type*/, const SQChar * /*sourcename*/, SQInteger /*line*/, const SQChar * /*funcname*/);
typedef SQInteger (*SQWRITEFUNC)(SQUserPointer,SQUserPointer,SQInteger);
typedef SQInteger (*SQREADFUNC)(SQUserPointer,SQUserPointer,SQInteger);
typedef SQInteger (*SQLEXREADFUNC)(SQUserPointer);
typedef struct tagSQRegFunction{
const SQChar *name;
SQFUNCTION f;
SQInteger nparamscheck;
const SQChar *typemask;
}SQRegFunction;
typedef struct tagSQFunctionInfo {
SQUserPointer funcid;
const SQChar *name;
const SQChar *source;
SQInteger line;
}SQFunctionInfo;
#ifndef SQMOD_PLUGIN_API
/*vm*/
SQUIRREL_API HSQUIRRELVM sq_open(SQInteger initialstacksize);
SQUIRREL_API HSQUIRRELVM sq_newthread(HSQUIRRELVM friendvm, SQInteger initialstacksize);
SQUIRREL_API void sq_seterrorhandler(HSQUIRRELVM v);
SQUIRREL_API void sq_close(HSQUIRRELVM v);
SQUIRREL_API void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p);
SQUIRREL_API SQUserPointer sq_getforeignptr(HSQUIRRELVM v);
SQUIRREL_API void sq_setsharedforeignptr(HSQUIRRELVM v,SQUserPointer p);
SQUIRREL_API SQUserPointer sq_getsharedforeignptr(HSQUIRRELVM v);
SQUIRREL_API void sq_setvmreleasehook(HSQUIRRELVM v,SQRELEASEHOOK hook);
SQUIRREL_API SQRELEASEHOOK sq_getvmreleasehook(HSQUIRRELVM v);
SQUIRREL_API void sq_setsharedreleasehook(HSQUIRRELVM v,SQRELEASEHOOK hook);
SQUIRREL_API SQRELEASEHOOK sq_getsharedreleasehook(HSQUIRRELVM v);
SQUIRREL_API void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc,SQPRINTFUNCTION errfunc);
SQUIRREL_API SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v);
SQUIRREL_API SQPRINTFUNCTION sq_geterrorfunc(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_suspendvm(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_wakeupvm(HSQUIRRELVM v,SQBool resumedret,SQBool retval,SQBool raiseerror,SQBool throwerror);
SQUIRREL_API SQInteger sq_getvmstate(HSQUIRRELVM v);
SQUIRREL_API SQInteger sq_getversion();
/*compiler*/
SQUIRREL_API SQRESULT sq_compile(HSQUIRRELVM v,SQLEXREADFUNC read,SQUserPointer p,const SQChar *sourcename,SQBool raiseerror);
SQUIRREL_API SQRESULT sq_compilebuffer(HSQUIRRELVM v,const SQChar *s,SQInteger size,const SQChar *sourcename,SQBool raiseerror);
SQUIRREL_API void sq_enabledebuginfo(HSQUIRRELVM v, SQBool enable);
SQUIRREL_API void sq_notifyallexceptions(HSQUIRRELVM v, SQBool enable);
SQUIRREL_API void sq_setcompilererrorhandler(HSQUIRRELVM v,SQCOMPILERERROR f);
/*stack operations*/
SQUIRREL_API void sq_push(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API void sq_pop(HSQUIRRELVM v,SQInteger nelemstopop);
SQUIRREL_API void sq_poptop(HSQUIRRELVM v);
SQUIRREL_API void sq_remove(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQInteger sq_gettop(HSQUIRRELVM v);
SQUIRREL_API void sq_settop(HSQUIRRELVM v,SQInteger newtop);
SQUIRREL_API SQRESULT sq_reservestack(HSQUIRRELVM v,SQInteger nsize);
SQUIRREL_API SQInteger sq_cmp(HSQUIRRELVM v);
SQUIRREL_API void sq_move(HSQUIRRELVM dest,HSQUIRRELVM src,SQInteger idx);
/*object creation handling*/
SQUIRREL_API SQUserPointer sq_newuserdata(HSQUIRRELVM v,SQUnsignedInteger size);
SQUIRREL_API void sq_newtable(HSQUIRRELVM v);
SQUIRREL_API void sq_newtableex(HSQUIRRELVM v,SQInteger initialcapacity);
SQUIRREL_API void sq_newarray(HSQUIRRELVM v,SQInteger size);
SQUIRREL_API void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,SQUnsignedInteger nfreevars);
SQUIRREL_API SQRESULT sq_setparamscheck(HSQUIRRELVM v,SQInteger nparamscheck,const SQChar *typemask);
SQUIRREL_API SQRESULT sq_bindenv(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_setclosureroot(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_getclosureroot(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API void sq_pushstring(HSQUIRRELVM v,const SQChar *s,SQInteger len);
SQUIRREL_API void sq_pushfloat(HSQUIRRELVM v,SQFloat f);
SQUIRREL_API void sq_pushinteger(HSQUIRRELVM v,SQInteger n);
SQUIRREL_API void sq_pushbool(HSQUIRRELVM v,SQBool b);
SQUIRREL_API void sq_pushuserpointer(HSQUIRRELVM v,SQUserPointer p);
SQUIRREL_API void sq_pushnull(HSQUIRRELVM v);
SQUIRREL_API void sq_pushthread(HSQUIRRELVM v, HSQUIRRELVM thread);
SQUIRREL_API SQObjectType sq_gettype(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_typeof(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQInteger sq_getsize(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQHash sq_gethash(HSQUIRRELVM v, SQInteger idx);
SQUIRREL_API SQRESULT sq_getbase(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQBool sq_instanceof(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_tostring(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API void sq_tobool(HSQUIRRELVM v, SQInteger idx, SQBool *b);
SQUIRREL_API SQRESULT sq_getstringandsize(HSQUIRRELVM v,SQInteger idx,const SQChar **c,SQInteger *size);
SQUIRREL_API SQRESULT sq_getstring(HSQUIRRELVM v,SQInteger idx,const SQChar **c);
SQUIRREL_API SQRESULT sq_getinteger(HSQUIRRELVM v,SQInteger idx,SQInteger *i);
SQUIRREL_API SQRESULT sq_getfloat(HSQUIRRELVM v,SQInteger idx,SQFloat *f);
SQUIRREL_API SQRESULT sq_getbool(HSQUIRRELVM v,SQInteger idx,SQBool *b);
SQUIRREL_API SQRESULT sq_getthread(HSQUIRRELVM v,SQInteger idx,HSQUIRRELVM *thread);
SQUIRREL_API SQRESULT sq_getuserpointer(HSQUIRRELVM v,SQInteger idx,SQUserPointer *p);
SQUIRREL_API SQRESULT sq_getuserdata(HSQUIRRELVM v,SQInteger idx,SQUserPointer *p,SQUserPointer *typetag);
SQUIRREL_API SQRESULT sq_settypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer typetag);
SQUIRREL_API SQRESULT sq_gettypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer *typetag);
SQUIRREL_API void sq_setreleasehook(HSQUIRRELVM v,SQInteger idx,SQRELEASEHOOK hook);
SQUIRREL_API SQRELEASEHOOK sq_getreleasehook(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQChar *sq_getscratchpad(HSQUIRRELVM v,SQInteger minsize);
SQUIRREL_API SQRESULT sq_getfunctioninfo(HSQUIRRELVM v,SQInteger level,SQFunctionInfo *fi);
SQUIRREL_API SQRESULT sq_getclosureinfo(HSQUIRRELVM v,SQInteger idx,SQInteger *nparams,SQInteger *nfreevars);
SQUIRREL_API SQRESULT sq_getclosurename(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,SQInteger idx,const SQChar *name);
SQUIRREL_API SQRESULT sq_setinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer p);
SQUIRREL_API SQRESULT sq_getinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p,SQUserPointer typetag);
SQUIRREL_API SQRESULT sq_setclassudsize(HSQUIRRELVM v, SQInteger idx, SQInteger udsize);
SQUIRREL_API SQRESULT sq_newclass(HSQUIRRELVM v,SQBool hasbase);
SQUIRREL_API SQRESULT sq_createinstance(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_setattributes(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_getattributes(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_getclass(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API void sq_weakref(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_getdefaultdelegate(HSQUIRRELVM v,SQObjectType t);
SQUIRREL_API SQRESULT sq_getmemberhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle);
SQUIRREL_API SQRESULT sq_getbyhandle(HSQUIRRELVM v,SQInteger idx,const HSQMEMBERHANDLE *handle);
SQUIRREL_API SQRESULT sq_setbyhandle(HSQUIRRELVM v,SQInteger idx,const HSQMEMBERHANDLE *handle);
/*object manipulation*/
SQUIRREL_API void sq_pushroottable(HSQUIRRELVM v);
SQUIRREL_API void sq_pushregistrytable(HSQUIRRELVM v);
SQUIRREL_API void sq_pushconsttable(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_setroottable(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_setconsttable(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_newslot(HSQUIRRELVM v, SQInteger idx, SQBool bstatic);
SQUIRREL_API SQRESULT sq_deleteslot(HSQUIRRELVM v,SQInteger idx,SQBool pushval);
SQUIRREL_API SQRESULT sq_set(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_get(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_rawget(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_rawset(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_rawdeleteslot(HSQUIRRELVM v,SQInteger idx,SQBool pushval);
SQUIRREL_API SQRESULT sq_newmember(HSQUIRRELVM v,SQInteger idx,SQBool bstatic);
SQUIRREL_API SQRESULT sq_rawnewmember(HSQUIRRELVM v,SQInteger idx,SQBool bstatic);
SQUIRREL_API SQRESULT sq_arrayappend(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_arraypop(HSQUIRRELVM v,SQInteger idx,SQBool pushval);
SQUIRREL_API SQRESULT sq_arrayresize(HSQUIRRELVM v,SQInteger idx,SQInteger newsize);
SQUIRREL_API SQRESULT sq_arrayreverse(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_arrayremove(HSQUIRRELVM v,SQInteger idx,SQInteger itemidx);
SQUIRREL_API SQRESULT sq_arrayinsert(HSQUIRRELVM v,SQInteger idx,SQInteger destpos);
SQUIRREL_API SQRESULT sq_setdelegate(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_getdelegate(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_clone(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_setfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval);
SQUIRREL_API SQRESULT sq_next(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_getweakrefval(HSQUIRRELVM v,SQInteger idx);
SQUIRREL_API SQRESULT sq_clear(HSQUIRRELVM v,SQInteger idx);
/*calls*/
SQUIRREL_API SQRESULT sq_call(HSQUIRRELVM v,SQInteger params,SQBool retval,SQBool raiseerror);
SQUIRREL_API SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval,SQBool raiseerror);
SQUIRREL_API const SQChar *sq_getlocal(HSQUIRRELVM v,SQUnsignedInteger level,SQUnsignedInteger idx);
SQUIRREL_API SQRESULT sq_getcallee(HSQUIRRELVM v);
SQUIRREL_API const SQChar *sq_getfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval);
SQUIRREL_API const SQChar *sq_getonefreevariable(HSQUIRRELVM v,SQUnsignedInteger nval);
SQUIRREL_API SQRESULT sq_throwerror(HSQUIRRELVM v,const SQChar *err);
SQUIRREL_API SQRESULT sq_throwobject(HSQUIRRELVM v);
SQUIRREL_API void sq_reseterror(HSQUIRRELVM v);
SQUIRREL_API void sq_getlasterror(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_tailcall(HSQUIRRELVM v, SQInteger nparams);
/*raw object handling*/
SQUIRREL_API SQRESULT sq_getstackobj(HSQUIRRELVM v,SQInteger idx,HSQOBJECT *po);
SQUIRREL_API void sq_pushobject(HSQUIRRELVM v,HSQOBJECT obj);
SQUIRREL_API void sq_addref(HSQUIRRELVM v,HSQOBJECT *po);
SQUIRREL_API SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po);
SQUIRREL_API SQUnsignedInteger sq_getrefcount(HSQUIRRELVM v,HSQOBJECT *po);
SQUIRREL_API void sq_resetobject(HSQOBJECT *po);
SQUIRREL_API const SQChar *sq_objtostring(const HSQOBJECT *o);
SQUIRREL_API SQBool sq_objtobool(const HSQOBJECT *o);
SQUIRREL_API SQInteger sq_objtointeger(const HSQOBJECT *o);
SQUIRREL_API SQFloat sq_objtofloat(const HSQOBJECT *o);
SQUIRREL_API SQUserPointer sq_objtouserpointer(const HSQOBJECT *o);
SQUIRREL_API SQRESULT sq_getobjtypetag(const HSQOBJECT *o,SQUserPointer * typetag);
SQUIRREL_API SQUnsignedInteger sq_getvmrefcount(HSQUIRRELVM v, const HSQOBJECT *po);
/*GC*/
SQUIRREL_API SQInteger sq_collectgarbage(HSQUIRRELVM v);
SQUIRREL_API SQRESULT sq_resurrectunreachable(HSQUIRRELVM v);
/*serialization*/
SQUIRREL_API SQRESULT sq_writeclosure(HSQUIRRELVM vm,SQWRITEFUNC writef,SQUserPointer up);
SQUIRREL_API SQRESULT sq_readclosure(HSQUIRRELVM vm,SQREADFUNC readf,SQUserPointer up);
/*mem allocation*/
SQUIRREL_API void *sq_malloc(SQUnsignedInteger size);
SQUIRREL_API void *sq_realloc(void* p,SQUnsignedInteger oldsize,SQUnsignedInteger newsize);
SQUIRREL_API void sq_free(void *p,SQUnsignedInteger size);
/*debug*/
SQUIRREL_API SQRESULT sq_stackinfos(HSQUIRRELVM v,SQInteger level,SQStackInfos *si);
SQUIRREL_API void sq_setdebughook(HSQUIRRELVM v);
SQUIRREL_API void sq_setnativedebughook(HSQUIRRELVM v,SQDEBUGHOOK hook);
#endif // SQMOD_PLUGIN_API
/*UTILITY MACRO*/
#define sq_isnumeric(o) ((o)._type&SQOBJECT_NUMERIC)
#define sq_istable(o) ((o)._type==OT_TABLE)
#define sq_isarray(o) ((o)._type==OT_ARRAY)
#define sq_isfunction(o) ((o)._type==OT_FUNCPROTO)
#define sq_isclosure(o) ((o)._type==OT_CLOSURE)
#define sq_isgenerator(o) ((o)._type==OT_GENERATOR)
#define sq_isnativeclosure(o) ((o)._type==OT_NATIVECLOSURE)
#define sq_isstring(o) ((o)._type==OT_STRING)
#define sq_isinteger(o) ((o)._type==OT_INTEGER)
#define sq_isfloat(o) ((o)._type==OT_FLOAT)
#define sq_isuserpointer(o) ((o)._type==OT_USERPOINTER)
#define sq_isuserdata(o) ((o)._type==OT_USERDATA)
#define sq_isthread(o) ((o)._type==OT_THREAD)
#define sq_isnull(o) ((o)._type==OT_NULL)
#define sq_isclass(o) ((o)._type==OT_CLASS)
#define sq_isinstance(o) ((o)._type==OT_INSTANCE)
#define sq_isbool(o) ((o)._type==OT_BOOL)
#define sq_isweakref(o) ((o)._type==OT_WEAKREF)
#define sq_type(o) ((o)._type)
/* deprecated */
#define sq_createslot(v,n) sq_newslot(v,n,SQFalse)
#define SQ_OK (0)
#define SQ_ERROR (-1)
#define SQ_FAILED(res) (res<0)
#define SQ_SUCCEEDED(res) (res>=0)
#ifdef __GNUC__
# define SQ_UNUSED_ARG(x) x __attribute__((__unused__))
#else
# define SQ_UNUSED_ARG(x) x
#endif
#ifdef __GNUC__
# define SQ_UNUSED_TYPEDEF(x) x __attribute__((__unused__))
#else
# define SQ_UNUSED_TYPEDEF(x) x
#endif
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*_SQUIRREL_H_*/

25
squirrel/include/squirrelex.h
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@ -1,25 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#ifndef _SQUIRRELEX_H_
#define _SQUIRRELEX_H_
#include <squirrel.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef SQMOD_PLUGIN_API
SQUIRREL_API SQRESULT sq_throwerrorf(HSQUIRRELVM v,const SQChar *err,...);
SQUIRREL_API void sq_pushstringf(HSQUIRRELVM v,const SQChar *s,...);
SQUIRREL_API SQRESULT sq_getnativeclosurepointer(HSQUIRRELVM v,SQInteger idx,SQFUNCTION *f);
#endif // SQMOD_PLUGIN_API
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*_SQUIRRELEX_H_*/

1640
squirrel/sqapi.cpp
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68
squirrel/sqapiex.cpp
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@ -1,68 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include "sqvm.h"
#include "sqstring.h"
#include "sqtable.h"
#include "sqarray.h"
#include "sqfuncproto.h"
#include "sqclosure.h"
#include "squserdata.h"
#include "sqcompiler.h"
#include "sqfuncstate.h"
#include "sqclass.h"
#include <squirrelex.h>
#include <stdarg.h>
SQRESULT sq_throwerrorf(HSQUIRRELVM v,const SQChar *err,...)
{
SQInteger n=256;
va_list args;
begin:
va_start(args,err);
SQChar *b=sq_getscratchpad(v,n);
SQInteger r=scvsprintf(b,n,err,args);
va_end(args);
if (r>=n) {
n=r+1;//required+null
goto begin;
} else if (r<0) {
v->_lasterror=SQString::Create(_ss(v),_SC("@failed to generate formatted error message"));
} else {
v->_lasterror=SQString::Create(_ss(v),b,r);
}
return SQ_ERROR;
}
void sq_pushstringf(HSQUIRRELVM v,const SQChar *s,...)
{
SQInteger n=256;
va_list args;
begin:
va_start(args,s);
SQChar *b=sq_getscratchpad(v,n);
SQInteger r=scvsprintf(b,n,s,args);
va_end(args);
if (r>=n) {
n=r+1;//required+null
goto begin;
} else if (r<0) {
v->PushNull();
} else {
v->Push(SQObjectPtr(SQString::Create(_ss(v),b,r)));
}
}
SQRESULT sq_getnativeclosurepointer(HSQUIRRELVM v,SQInteger idx,SQFUNCTION *f)
{
SQObject o = stack_get(v, idx);
if(sq_type(o) == OT_NATIVECLOSURE)
{
SQNativeClosure *c = _nativeclosure(o);
if (f) *f = c->_function;
return SQ_OK;
}
return sq_throwerror(v,_SC("the object is not a native closure"));
}

94
squirrel/sqarray.h
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@ -1,94 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQARRAY_H_
#define _SQARRAY_H_
struct SQArray : public CHAINABLE_OBJ
{
private:
SQArray(SQSharedState *ss,SQInteger nsize){_values.resize(nsize); INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);}
~SQArray()
{
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this);
}
public:
static SQArray* Create(SQSharedState *ss,SQInteger nInitialSize){
SQArray *newarray=(SQArray*)SQ_MALLOC(sizeof(SQArray));
new (newarray) SQArray(ss,nInitialSize);
return newarray;
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
SQObjectType GetType() {return OT_ARRAY;}
#endif
void Finalize(){
_values.resize(0);
}
bool Get(const SQInteger nidx,SQObjectPtr &val)
{
if(nidx>=0 && nidx<(SQInteger)_values.size()){
SQObjectPtr &o = _values[nidx];
val = _realval(o);
return true;
}
else return false;
}
bool Set(const SQInteger nidx,const SQObjectPtr &val)
{
if(nidx>=0 && nidx<(SQInteger)_values.size()){
_values[nidx]=val;
return true;
}
else return false;
}
SQInteger Next(const SQObjectPtr &refpos,SQObjectPtr &outkey,SQObjectPtr &outval)
{
SQUnsignedInteger idx=TranslateIndex(refpos);
while(idx<_values.size()){
//first found
outkey=(SQInteger)idx;
SQObjectPtr &o = _values[idx];
outval = _realval(o);
//return idx for the next iteration
return ++idx;
}
//nothing to iterate anymore
return -1;
}
SQArray *Clone(){SQArray *anew=Create(_opt_ss(this),0); anew->_values.copy(_values); return anew; }
SQInteger Size() const {return _values.size();}
void Resize(SQInteger size)
{
SQObjectPtr _null;
Resize(size,_null);
}
void Resize(SQInteger size,SQObjectPtr &fill) { _values.resize(size,fill); ShrinkIfNeeded(); }
void Reserve(SQInteger size) { _values.reserve(size); }
void Append(const SQObject &o){_values.push_back(o);}
void Extend(const SQArray *a);
SQObjectPtr &Top(){return _values.top();}
void Pop(){_values.pop_back(); ShrinkIfNeeded(); }
bool Insert(SQInteger idx,const SQObject &val){
if(idx < 0 || idx > (SQInteger)_values.size())
return false;
_values.insert(idx,val);
return true;
}
void ShrinkIfNeeded() {
if(_values.size() <= _values.capacity()>>2) //shrink the array
_values.shrinktofit();
}
bool Remove(SQInteger idx){
if(idx < 0 || idx >= (SQInteger)_values.size())
return false;
_values.remove(idx);
ShrinkIfNeeded();
return true;
}
void Release()
{
sq_delete(this,SQArray);
}
SQObjectPtrVec _values;
};
#endif //_SQARRAY_H_

1370
squirrel/sqbaselib.cpp
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210
squirrel/sqclass.cpp
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@ -1,210 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include "sqvm.h"
#include "sqtable.h"
#include "sqclass.h"
#include "sqfuncproto.h"
#include "sqclosure.h"
SQClass::SQClass(SQSharedState *ss,SQClass *base)
{
_base = base;
_typetag = 0;
_hook = NULL;
_udsize = 0;
_locked = false;
_constructoridx = -1;
if(_base) {
_constructoridx = _base->_constructoridx;
_udsize = _base->_udsize;
_defaultvalues.copy(base->_defaultvalues);
_methods.copy(base->_methods);
_COPY_VECTOR(_metamethods,base->_metamethods,MT_LAST);
__ObjAddRef(_base);
}
_members = base?base->_members->Clone() : SQTable::Create(ss,0);
__ObjAddRef(_members);
INIT_CHAIN();
ADD_TO_CHAIN(&_sharedstate->_gc_chain, this);
}
void SQClass::Finalize() {
_attributes.Null();
_NULL_SQOBJECT_VECTOR(_defaultvalues,_defaultvalues.size());
_methods.resize(0);
_NULL_SQOBJECT_VECTOR(_metamethods,MT_LAST);
__ObjRelease(_members);
if(_base) {
__ObjRelease(_base);
}
}
SQClass::~SQClass()
{
REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this);
Finalize();
}
bool SQClass::NewSlot(SQSharedState *ss,const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic)
{
SQObjectPtr temp;
bool belongs_to_static_table = sq_type(val) == OT_CLOSURE || sq_type(val) == OT_NATIVECLOSURE || bstatic;
if(_locked && !belongs_to_static_table)
return false; //the class already has an instance so cannot be modified
if(_members->Get(key,temp) && _isfield(temp)) //overrides the default value
{
_defaultvalues[_member_idx(temp)].val = val;
return true;
}
if(belongs_to_static_table) {
SQInteger mmidx;
if((sq_type(val) == OT_CLOSURE || sq_type(val) == OT_NATIVECLOSURE) &&
(mmidx = ss->GetMetaMethodIdxByName(key)) != -1) {
_metamethods[mmidx] = val;
}
else {
SQObjectPtr theval = val;
if(_base && sq_type(val) == OT_CLOSURE) {
theval = _closure(val)->Clone();
_closure(theval)->_base = _base;
__ObjAddRef(_base); //ref for the closure
}
if(sq_type(temp) == OT_NULL) {
bool isconstructor;
SQVM::IsEqual(ss->_constructoridx, key, isconstructor);
if(isconstructor) {
_constructoridx = (SQInteger)_methods.size();
}
SQClassMember m;
m.val = theval;
_members->NewSlot(key,SQObjectPtr(_make_method_idx(_methods.size())));
_methods.push_back(m);
}
else {
_methods[_member_idx(temp)].val = theval;
}
}
return true;
}
SQClassMember m;
m.val = val;
_members->NewSlot(key,SQObjectPtr(_make_field_idx(_defaultvalues.size())));
_defaultvalues.push_back(m);
return true;
}
SQInstance *SQClass::CreateInstance()
{
if(!_locked) Lock();
return SQInstance::Create(_opt_ss(this),this);
}
SQInteger SQClass::Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval)
{
SQObjectPtr oval;
SQInteger idx = _members->Next(false,refpos,outkey,oval);
if(idx != -1) {
if(_ismethod(oval)) {
outval = _methods[_member_idx(oval)].val;
}
else {
SQObjectPtr &o = _defaultvalues[_member_idx(oval)].val;
outval = _realval(o);
}
}
return idx;
}
bool SQClass::SetAttributes(const SQObjectPtr &key,const SQObjectPtr &val)
{
SQObjectPtr idx;
if(_members->Get(key,idx)) {
if(_isfield(idx))
_defaultvalues[_member_idx(idx)].attrs = val;
else
_methods[_member_idx(idx)].attrs = val;
return true;
}
return false;
}
bool SQClass::GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval)
{
SQObjectPtr idx;
if(_members->Get(key,idx)) {
outval = (_isfield(idx)?_defaultvalues[_member_idx(idx)].attrs:_methods[_member_idx(idx)].attrs);
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////
void SQInstance::Init(SQSharedState *ss)
{
_userpointer = NULL;
_hook = NULL;
__ObjAddRef(_class);
_delegate = _class->_members;
INIT_CHAIN();
ADD_TO_CHAIN(&_sharedstate->_gc_chain, this);
}
SQInstance::SQInstance(SQSharedState *ss, SQClass *c, SQInteger memsize)
{
_memsize = memsize;
_class = c;
SQUnsignedInteger nvalues = _class->_defaultvalues.size();
for(SQUnsignedInteger n = 0; n < nvalues; n++) {
new (&_values[n]) SQObjectPtr(_class->_defaultvalues[n].val);
}
Init(ss);
}
SQInstance::SQInstance(SQSharedState *ss, SQInstance *i, SQInteger memsize)
{
_memsize = memsize;
_class = i->_class;
SQUnsignedInteger nvalues = _class->_defaultvalues.size();
for(SQUnsignedInteger n = 0; n < nvalues; n++) {
new (&_values[n]) SQObjectPtr(i->_values[n]);
}
Init(ss);
}
void SQInstance::Finalize()
{
SQUnsignedInteger nvalues = _class->_defaultvalues.size();
__ObjRelease(_class);
_NULL_SQOBJECT_VECTOR(_values,nvalues);
}
SQInstance::~SQInstance()
{
REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this);
if(_class){ Finalize(); } //if _class is null it was already finalized by the GC
}
bool SQInstance::GetMetaMethod(SQVM* SQ_UNUSED_ARG(v),SQMetaMethod mm,SQObjectPtr &res)
{
if(sq_type(_class->_metamethods[mm]) != OT_NULL) {
res = _class->_metamethods[mm];
return true;
}
return false;
}
bool SQInstance::InstanceOf(SQClass *trg)
{
SQClass *parent = _class;
while(parent != NULL) {
if(parent == trg)
return true;
parent = parent->_base;
}
return false;
}

162
squirrel/sqclass.h
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@ -1,162 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQCLASS_H_
#define _SQCLASS_H_
struct SQInstance;
struct SQClassMember {
SQObjectPtr val;
SQObjectPtr attrs;
void Null() {
val.Null();
attrs.Null();
}
};
typedef sqvector<SQClassMember> SQClassMemberVec;
#define MEMBER_TYPE_METHOD 0x01000000
#define MEMBER_TYPE_FIELD 0x02000000
#define _ismethod(o) (_integer(o)&MEMBER_TYPE_METHOD)
#define _isfield(o) (_integer(o)&MEMBER_TYPE_FIELD)
#define _make_method_idx(i) ((SQInteger)(MEMBER_TYPE_METHOD|i))
#define _make_field_idx(i) ((SQInteger)(MEMBER_TYPE_FIELD|i))
#define _member_type(o) (_integer(o)&0xFF000000)
#define _member_idx(o) (_integer(o)&0x00FFFFFF)
struct SQClass : public CHAINABLE_OBJ
{
SQClass(SQSharedState *ss,SQClass *base);
public:
static SQClass* Create(SQSharedState *ss,SQClass *base) {
SQClass *newclass = (SQClass *)SQ_MALLOC(sizeof(SQClass));
new (newclass) SQClass(ss, base);
return newclass;
}
~SQClass();
bool NewSlot(SQSharedState *ss, const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic);
bool Get(const SQObjectPtr &key,SQObjectPtr &val) {
if(_members->Get(key,val)) {
if(_isfield(val)) {
SQObjectPtr &o = _defaultvalues[_member_idx(val)].val;
val = _realval(o);
}
else {
val = _methods[_member_idx(val)].val;
}
return true;
}
return false;
}
bool GetConstructor(SQObjectPtr &ctor)
{
if(_constructoridx != -1) {
ctor = _methods[_constructoridx].val;
return true;
}
return false;
}
bool SetAttributes(const SQObjectPtr &key,const SQObjectPtr &val);
bool GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval);
void Lock() { _locked = true; if(_base) _base->Lock(); }
void Release() {
if (_hook) { _hook(_typetag,0);}
sq_delete(this, SQClass);
}
void Finalize();
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable ** );
SQObjectType GetType() {return OT_CLASS;}
#endif
SQInteger Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval);
SQInstance *CreateInstance();
SQTable *_members;
SQClass *_base;
SQClassMemberVec _defaultvalues;
SQClassMemberVec _methods;
SQObjectPtr _metamethods[MT_LAST];
SQObjectPtr _attributes;
SQUserPointer _typetag;
SQRELEASEHOOK _hook;
bool _locked;
SQInteger _constructoridx;
SQInteger _udsize;
};
#define calcinstancesize(_theclass_) \
(_theclass_->_udsize + sq_aligning(sizeof(SQInstance) + (sizeof(SQObjectPtr)*(_theclass_->_defaultvalues.size()>0?_theclass_->_defaultvalues.size()-1:0))))
struct SQInstance : public SQDelegable
{
void Init(SQSharedState *ss);
SQInstance(SQSharedState *ss, SQClass *c, SQInteger memsize);
SQInstance(SQSharedState *ss, SQInstance *c, SQInteger memsize);
public:
static SQInstance* Create(SQSharedState *ss,SQClass *theclass) {
SQInteger size = calcinstancesize(theclass);
SQInstance *newinst = (SQInstance *)SQ_MALLOC(size);
new (newinst) SQInstance(ss, theclass,size);
if(theclass->_udsize) {
newinst->_userpointer = ((unsigned char *)newinst) + (size - theclass->_udsize);
}
return newinst;
}
SQInstance *Clone(SQSharedState *ss)
{
SQInteger size = calcinstancesize(_class);
SQInstance *newinst = (SQInstance *)SQ_MALLOC(size);
new (newinst) SQInstance(ss, this,size);
if(_class->_udsize) {
newinst->_userpointer = ((unsigned char *)newinst) + (size - _class->_udsize);
}
return newinst;
}
~SQInstance();
bool Get(const SQObjectPtr &key,SQObjectPtr &val) {
if(_class->_members->Get(key,val)) {
if(_isfield(val)) {
SQObjectPtr &o = _values[_member_idx(val)];
val = _realval(o);
}
else {
val = _class->_methods[_member_idx(val)].val;
}
return true;
}
return false;
}
bool Set(const SQObjectPtr &key,const SQObjectPtr &val) {
SQObjectPtr idx;
if(_class->_members->Get(key,idx) && _isfield(idx)) {
_values[_member_idx(idx)] = val;
return true;
}
return false;
}
void Release() {
_uiRef++;
if (_hook) { _hook(_userpointer,0);}
_uiRef--;
if(_uiRef > 0) return;
SQInteger size = _memsize;
this->~SQInstance();
SQ_FREE(this, size);
}
void Finalize();
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable ** );
SQObjectType GetType() {return OT_INSTANCE;}
#endif
bool InstanceOf(SQClass *trg);
bool GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res);
SQClass *_class;
SQUserPointer _userpointer;
SQRELEASEHOOK _hook;
SQInteger _memsize;
SQObjectPtr _values[1];
};
#endif //_SQCLASS_H_

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squirrel/sqclosure.h
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@ -1,201 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQCLOSURE_H_
#define _SQCLOSURE_H_
#define _CALC_CLOSURE_SIZE(func) (sizeof(SQClosure) + (func->_noutervalues*sizeof(SQObjectPtr)) + (func->_ndefaultparams*sizeof(SQObjectPtr)))
struct SQFunctionProto;
struct SQClass;
struct SQClosure : public CHAINABLE_OBJ
{
private:
SQClosure(SQSharedState *ss,SQFunctionProto *func){_function = func; __ObjAddRef(_function); _base = NULL; INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); _env = NULL; _root=NULL;}
public:
static SQClosure *Create(SQSharedState *ss,SQFunctionProto *func,SQWeakRef *root){
SQInteger size = _CALC_CLOSURE_SIZE(func);
SQClosure *nc=(SQClosure*)SQ_MALLOC(size);
new (nc) SQClosure(ss,func);
nc->_outervalues = (SQObjectPtr *)(nc + 1);
nc->_defaultparams = &nc->_outervalues[func->_noutervalues];
nc->_root = root;
__ObjAddRef(nc->_root);
_CONSTRUCT_VECTOR(SQObjectPtr,func->_noutervalues,nc->_outervalues);
_CONSTRUCT_VECTOR(SQObjectPtr,func->_ndefaultparams,nc->_defaultparams);
return nc;
}
void Release(){
SQFunctionProto *f = _function;
SQInteger size = _CALC_CLOSURE_SIZE(f);
_DESTRUCT_VECTOR(SQObjectPtr,f->_noutervalues,_outervalues);
_DESTRUCT_VECTOR(SQObjectPtr,f->_ndefaultparams,_defaultparams);
__ObjRelease(_function);
this->~SQClosure();
sq_vm_free(this,size);
}
void SetRoot(SQWeakRef *r)
{
__ObjRelease(_root);
_root = r;
__ObjAddRef(_root);
}
SQClosure *Clone()
{
SQFunctionProto *f = _function;
SQClosure * ret = SQClosure::Create(_opt_ss(this),f,_root);
ret->_env = _env;
if(ret->_env) __ObjAddRef(ret->_env);
_COPY_VECTOR(ret->_outervalues,_outervalues,f->_noutervalues);
_COPY_VECTOR(ret->_defaultparams,_defaultparams,f->_ndefaultparams);
return ret;
}
~SQClosure();
bool Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write);
static bool Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret);
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize(){
SQFunctionProto *f = _function;
_NULL_SQOBJECT_VECTOR(_outervalues,f->_noutervalues);
_NULL_SQOBJECT_VECTOR(_defaultparams,f->_ndefaultparams);
}
SQObjectType GetType() {return OT_CLOSURE;}
#endif
SQWeakRef *_env;
SQWeakRef *_root;
SQClass *_base;
SQFunctionProto *_function;
SQObjectPtr *_outervalues;
SQObjectPtr *_defaultparams;
};
//////////////////////////////////////////////
struct SQOuter : public CHAINABLE_OBJ
{
private:
SQOuter(SQSharedState *ss, SQObjectPtr *outer){_valptr = outer; _next = NULL; INIT_CHAIN(); ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); }
public:
static SQOuter *Create(SQSharedState *ss, SQObjectPtr *outer)
{
SQOuter *nc = (SQOuter*)SQ_MALLOC(sizeof(SQOuter));
new (nc) SQOuter(ss, outer);
return nc;
}
~SQOuter() { REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); }
void Release()
{
this->~SQOuter();
sq_vm_free(this,sizeof(SQOuter));
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize() { _value.Null(); }
SQObjectType GetType() {return OT_OUTER;}
#endif
SQObjectPtr *_valptr; /* pointer to value on stack, or _value below */
SQInteger _idx; /* idx in stack array, for relocation */
SQObjectPtr _value; /* value of outer after stack frame is closed */
SQOuter *_next; /* pointer to next outer when frame is open */
};
//////////////////////////////////////////////
struct SQGenerator : public CHAINABLE_OBJ
{
enum SQGeneratorState{eRunning,eSuspended,eDead};
private:
SQGenerator(SQSharedState *ss,SQClosure *closure){_closure=closure;_state=eRunning;_ci._generator=NULL;INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);}
public:
static SQGenerator *Create(SQSharedState *ss,SQClosure *closure){
SQGenerator *nc=(SQGenerator*)SQ_MALLOC(sizeof(SQGenerator));
new (nc) SQGenerator(ss,closure);
return nc;
}
~SQGenerator()
{
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this);
}
void Kill(){
_state=eDead;
_stack.resize(0);
_closure.Null();}
void Release(){
sq_delete(this,SQGenerator);
}
bool Yield(SQVM *v,SQInteger target);
bool Resume(SQVM *v,SQObjectPtr &dest);
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize(){_stack.resize(0);_closure.Null();}
SQObjectType GetType() {return OT_GENERATOR;}
#endif
SQObjectPtr _closure;
SQObjectPtrVec _stack;
SQVM::CallInfo _ci;
ExceptionsTraps _etraps;
SQGeneratorState _state;
};
#define _CALC_NATVIVECLOSURE_SIZE(noutervalues) (sizeof(SQNativeClosure) + (noutervalues*sizeof(SQObjectPtr)))
struct SQNativeClosure : public CHAINABLE_OBJ
{
private:
SQNativeClosure(SQSharedState *ss,SQFUNCTION func){_function=func;INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); _env = NULL;}
public:
static SQNativeClosure *Create(SQSharedState *ss,SQFUNCTION func,SQInteger nouters)
{
SQInteger size = _CALC_NATVIVECLOSURE_SIZE(nouters);
SQNativeClosure *nc=(SQNativeClosure*)SQ_MALLOC(size);
new (nc) SQNativeClosure(ss,func);
nc->_outervalues = (SQObjectPtr *)(nc + 1);
nc->_noutervalues = nouters;
_CONSTRUCT_VECTOR(SQObjectPtr,nc->_noutervalues,nc->_outervalues);
return nc;
}
SQNativeClosure *Clone()
{
SQNativeClosure * ret = SQNativeClosure::Create(_opt_ss(this),_function,_noutervalues);
ret->_env = _env;
if(ret->_env) __ObjAddRef(ret->_env);
ret->_name = _name;
_COPY_VECTOR(ret->_outervalues,_outervalues,_noutervalues);
ret->_typecheck.copy(_typecheck);
ret->_nparamscheck = _nparamscheck;
return ret;
}
~SQNativeClosure()
{
__ObjRelease(_env);
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this);
}
void Release(){
SQInteger size = _CALC_NATVIVECLOSURE_SIZE(_noutervalues);
_DESTRUCT_VECTOR(SQObjectPtr,_noutervalues,_outervalues);
this->~SQNativeClosure();
sq_free(this,size);
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize() { _NULL_SQOBJECT_VECTOR(_outervalues,_noutervalues); }
SQObjectType GetType() {return OT_NATIVECLOSURE;}
#endif
SQInteger _nparamscheck;
SQIntVec _typecheck;
SQObjectPtr *_outervalues;
SQUnsignedInteger _noutervalues;
SQWeakRef *_env;
SQFUNCTION _function;
SQObjectPtr _name;
};
#endif //_SQCLOSURE_H_

1611
squirrel/sqcompiler.cpp
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79
squirrel/sqcompiler.h
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@ -1,79 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQCOMPILER_H_
#define _SQCOMPILER_H_
struct SQVM;
#define TK_IDENTIFIER 258
#define TK_STRING_LITERAL 259
#define TK_INTEGER 260
#define TK_FLOAT 261
#define TK_BASE 262
#define TK_DELETE 263
#define TK_EQ 264
#define TK_NE 265
#define TK_LE 266
#define TK_GE 267
#define TK_SWITCH 268
#define TK_ARROW 269
#define TK_AND 270
#define TK_OR 271
#define TK_IF 272
#define TK_ELSE 273
#define TK_WHILE 274
#define TK_BREAK 275
#define TK_FOR 276
#define TK_DO 277
#define TK_NULL 278
#define TK_FOREACH 279
#define TK_IN 280
#define TK_NEWSLOT 281
#define TK_MODULO 282
#define TK_LOCAL 283
#define TK_CLONE 284
#define TK_FUNCTION 285
#define TK_RETURN 286
#define TK_TYPEOF 287
#define TK_UMINUS 288
#define TK_PLUSEQ 289
#define TK_MINUSEQ 290
#define TK_CONTINUE 291
#define TK_YIELD 292
#define TK_TRY 293
#define TK_CATCH 294
#define TK_THROW 295
#define TK_SHIFTL 296
#define TK_SHIFTR 297
#define TK_RESUME 298
#define TK_DOUBLE_COLON 299
#define TK_CASE 300
#define TK_DEFAULT 301
#define TK_THIS 302
#define TK_PLUSPLUS 303
#define TK_MINUSMINUS 304
#define TK_3WAYSCMP 305
#define TK_USHIFTR 306
#define TK_CLASS 307
#define TK_EXTENDS 308
#define TK_CONSTRUCTOR 310
#define TK_INSTANCEOF 311
#define TK_VARPARAMS 312
#define TK___LINE__ 313
#define TK___FILE__ 314
#define TK_TRUE 315
#define TK_FALSE 316
#define TK_MULEQ 317
#define TK_DIVEQ 318
#define TK_MODEQ 319
#define TK_ATTR_OPEN 320
#define TK_ATTR_CLOSE 321
#define TK_STATIC 322
#define TK_ENUM 323
#define TK_CONST 324
#define TK_RAWCALL 325
typedef void(*CompilerErrorFunc)(void *ud, const SQChar *s);
bool Compile(SQVM *vm, SQLEXREADFUNC rg, SQUserPointer up, const SQChar *sourcename, SQObjectPtr &out, bool raiseerror, bool lineinfo);
#endif //_SQCOMPILER_H_

118
squirrel/sqdebug.cpp
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@ -1,118 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include <stdarg.h>
#include "sqvm.h"
#include "sqfuncproto.h"
#include "sqclosure.h"
#include "sqstring.h"
SQRESULT sq_getfunctioninfo(HSQUIRRELVM v,SQInteger level,SQFunctionInfo *fi)
{
SQInteger cssize = v->_callsstacksize;
if (cssize > level) {
SQVM::CallInfo &ci = v->_callsstack[cssize-level-1];
if(sq_isclosure(ci._closure)) {
SQClosure *c = _closure(ci._closure);
SQFunctionProto *proto = c->_function;
fi->funcid = proto;
fi->name = sq_type(proto->_name) == OT_STRING?_stringval(proto->_name):_SC("unknown");
fi->source = sq_type(proto->_sourcename) == OT_STRING?_stringval(proto->_sourcename):_SC("unknown");
fi->line = proto->_lineinfos[0]._line;
return SQ_OK;
}
}
return sq_throwerror(v,_SC("the object is not a closure"));
}
SQRESULT sq_stackinfos(HSQUIRRELVM v, SQInteger level, SQStackInfos *si)
{
SQInteger cssize = v->_callsstacksize;
if (cssize > level) {
memset(si, 0, sizeof(SQStackInfos));
SQVM::CallInfo &ci = v->_callsstack[cssize-level-1];
switch (sq_type(ci._closure)) {
case OT_CLOSURE:{
SQFunctionProto *func = _closure(ci._closure)->_function;
if (sq_type(func->_name) == OT_STRING)
si->funcname = _stringval(func->_name);
if (sq_type(func->_sourcename) == OT_STRING)
si->source = _stringval(func->_sourcename);
si->line = func->GetLine(ci._ip);
}
break;
case OT_NATIVECLOSURE:
si->source = _SC("NATIVE");
si->funcname = _SC("unknown");
if(sq_type(_nativeclosure(ci._closure)->_name) == OT_STRING)
si->funcname = _stringval(_nativeclosure(ci._closure)->_name);
si->line = -1;
break;
default: break; //shutup compiler
}
return SQ_OK;
}
return SQ_ERROR;
}
void SQVM::Raise_Error(const SQChar *s, ...)
{
va_list vl;
va_start(vl, s);
SQInteger buffersize = (SQInteger)scstrlen(s)+(NUMBER_MAX_CHAR*2);
scvsprintf(_sp(sq_rsl(buffersize)),buffersize, s, vl);
va_end(vl);
_lasterror = SQString::Create(_ss(this),_spval,-1);
}
void SQVM::Raise_Error(const SQObjectPtr &desc)
{
_lasterror = desc;
}
SQString *SQVM::PrintObjVal(const SQObjectPtr &o)
{
switch(sq_type(o)) {
case OT_STRING: return _string(o);
case OT_INTEGER:
scsprintf(_sp(sq_rsl(NUMBER_MAX_CHAR+1)),sq_rsl(NUMBER_MAX_CHAR), _PRINT_INT_FMT, _integer(o));
return SQString::Create(_ss(this), _spval);
break;
case OT_FLOAT:
scsprintf(_sp(sq_rsl(NUMBER_MAX_CHAR+1)), sq_rsl(NUMBER_MAX_CHAR), _SC("%.14g"), _float(o));
return SQString::Create(_ss(this), _spval);
break;
default:
return SQString::Create(_ss(this), GetTypeName(o));
}
}
void SQVM::Raise_IdxError(const SQObjectPtr &o)
{
SQObjectPtr oval = PrintObjVal(o);
Raise_Error(_SC("the index '%.50s' does not exist"), _stringval(oval));
}
void SQVM::Raise_CompareError(const SQObject &o1, const SQObject &o2)
{
SQObjectPtr oval1 = PrintObjVal(o1), oval2 = PrintObjVal(o2);
Raise_Error(_SC("comparison between '%.50s' and '%.50s'"), _stringval(oval1), _stringval(oval2));
}
void SQVM::Raise_ParamTypeError(SQInteger nparam,SQInteger typemask,SQInteger type)
{
SQObjectPtr exptypes = SQString::Create(_ss(this), _SC(""), -1);
SQInteger found = 0;
for(SQInteger i=0; i<16; i++)
{
SQInteger mask = ((SQInteger)1) << i;
if(typemask & (mask)) {
if(found>0) StringCat(exptypes,SQString::Create(_ss(this), _SC("|"), -1), exptypes);
found ++;
StringCat(exptypes,SQString::Create(_ss(this), IdType2Name((SQObjectType)mask), -1), exptypes);
}
}
Raise_Error(_SC("parameter %d has an invalid type '%s' ; expected: '%s'"), nparam, IdType2Name((SQObjectType)type), _stringval(exptypes));
}

154
squirrel/sqfuncproto.h
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@ -1,154 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQFUNCTION_H_
#define _SQFUNCTION_H_
#include "sqopcodes.h"
enum SQOuterType {
otLOCAL = 0,
otOUTER = 1
};
struct SQOuterVar
{
SQOuterVar(){}
SQOuterVar(const SQObjectPtr &name,const SQObjectPtr &src,SQOuterType t)
{
_name = name;
_src=src;
_type=t;
}
SQOuterVar(const SQOuterVar &ov)
{
_type=ov._type;
_src=ov._src;
_name=ov._name;
}
SQOuterType _type;
SQObjectPtr _name;
SQObjectPtr _src;
};
struct SQLocalVarInfo
{
SQLocalVarInfo():_start_op(0),_end_op(0),_pos(0){}
SQLocalVarInfo(const SQLocalVarInfo &lvi)
{
_name=lvi._name;
_start_op=lvi._start_op;
_end_op=lvi._end_op;
_pos=lvi._pos;
}
SQObjectPtr _name;
SQUnsignedInteger _start_op;
SQUnsignedInteger _end_op;
SQUnsignedInteger _pos;
};
struct SQLineInfo { SQInteger _line;SQInteger _op; };
typedef sqvector<SQOuterVar> SQOuterVarVec;
typedef sqvector<SQLocalVarInfo> SQLocalVarInfoVec;
typedef sqvector<SQLineInfo> SQLineInfoVec;
#define _FUNC_SIZE(ni,nl,nparams,nfuncs,nouters,nlineinf,localinf,defparams) (sizeof(SQFunctionProto) \
+((ni-1)*sizeof(SQInstruction))+(nl*sizeof(SQObjectPtr)) \
+(nparams*sizeof(SQObjectPtr))+(nfuncs*sizeof(SQObjectPtr)) \
+(nouters*sizeof(SQOuterVar))+(nlineinf*sizeof(SQLineInfo)) \
+(localinf*sizeof(SQLocalVarInfo))+(defparams*sizeof(SQInteger)))
struct SQFunctionProto : public CHAINABLE_OBJ
{
private:
SQFunctionProto(SQSharedState *ss);
~SQFunctionProto();
public:
static SQFunctionProto *Create(SQSharedState *ss,SQInteger ninstructions,
SQInteger nliterals,SQInteger nparameters,
SQInteger nfunctions,SQInteger noutervalues,
SQInteger nlineinfos,SQInteger nlocalvarinfos,SQInteger ndefaultparams)
{
SQFunctionProto *f;
//I compact the whole class and members in a single memory allocation
f = (SQFunctionProto *)sq_vm_malloc(_FUNC_SIZE(ninstructions,nliterals,nparameters,nfunctions,noutervalues,nlineinfos,nlocalvarinfos,ndefaultparams));
new (f) SQFunctionProto(ss);
f->_ninstructions = ninstructions;
f->_literals = (SQObjectPtr*)&f->_instructions[ninstructions];
f->_nliterals = nliterals;
f->_parameters = (SQObjectPtr*)&f->_literals[nliterals];
f->_nparameters = nparameters;
f->_functions = (SQObjectPtr*)&f->_parameters[nparameters];
f->_nfunctions = nfunctions;
f->_outervalues = (SQOuterVar*)&f->_functions[nfunctions];
f->_noutervalues = noutervalues;
f->_lineinfos = (SQLineInfo *)&f->_outervalues[noutervalues];
f->_nlineinfos = nlineinfos;
f->_localvarinfos = (SQLocalVarInfo *)&f->_lineinfos[nlineinfos];
f->_nlocalvarinfos = nlocalvarinfos;
f->_defaultparams = (SQInteger *)&f->_localvarinfos[nlocalvarinfos];
f->_ndefaultparams = ndefaultparams;
_CONSTRUCT_VECTOR(SQObjectPtr,f->_nliterals,f->_literals);
_CONSTRUCT_VECTOR(SQObjectPtr,f->_nparameters,f->_parameters);
_CONSTRUCT_VECTOR(SQObjectPtr,f->_nfunctions,f->_functions);
_CONSTRUCT_VECTOR(SQOuterVar,f->_noutervalues,f->_outervalues);
//_CONSTRUCT_VECTOR(SQLineInfo,f->_nlineinfos,f->_lineinfos); //not required are 2 integers
_CONSTRUCT_VECTOR(SQLocalVarInfo,f->_nlocalvarinfos,f->_localvarinfos);
return f;
}
void Release(){
_DESTRUCT_VECTOR(SQObjectPtr,_nliterals,_literals);
_DESTRUCT_VECTOR(SQObjectPtr,_nparameters,_parameters);
_DESTRUCT_VECTOR(SQObjectPtr,_nfunctions,_functions);
_DESTRUCT_VECTOR(SQOuterVar,_noutervalues,_outervalues);
//_DESTRUCT_VECTOR(SQLineInfo,_nlineinfos,_lineinfos); //not required are 2 integers
_DESTRUCT_VECTOR(SQLocalVarInfo,_nlocalvarinfos,_localvarinfos);
SQInteger size = _FUNC_SIZE(_ninstructions,_nliterals,_nparameters,_nfunctions,_noutervalues,_nlineinfos,_nlocalvarinfos,_ndefaultparams);
this->~SQFunctionProto();
sq_vm_free(this,size);
}
const SQChar* GetLocal(SQVM *v,SQUnsignedInteger stackbase,SQUnsignedInteger nseq,SQUnsignedInteger nop);
SQInteger GetLine(SQInstruction *curr);
bool Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write);
static bool Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret);
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize(){ _NULL_SQOBJECT_VECTOR(_literals,_nliterals); }
SQObjectType GetType() {return OT_FUNCPROTO;}
#endif
SQObjectPtr _sourcename;
SQObjectPtr _name;
SQInteger _stacksize;
bool _bgenerator;
SQInteger _varparams;
SQInteger _nlocalvarinfos;
SQLocalVarInfo *_localvarinfos;
SQInteger _nlineinfos;
SQLineInfo *_lineinfos;
SQInteger _nliterals;
SQObjectPtr *_literals;
SQInteger _nparameters;
SQObjectPtr *_parameters;
SQInteger _nfunctions;
SQObjectPtr *_functions;
SQInteger _noutervalues;
SQOuterVar *_outervalues;
SQInteger _ndefaultparams;
SQInteger *_defaultparams;
SQInteger _ninstructions;
SQInstruction _instructions[1];
};
#endif //_SQFUNCTION_H_

649
squirrel/sqfuncstate.cpp
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@ -1,649 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#ifndef NO_COMPILER
#include "sqcompiler.h"
#include "sqstring.h"
#include "sqfuncproto.h"
#include "sqtable.h"
#include "sqopcodes.h"
#include "sqfuncstate.h"
#ifdef _DEBUG_DUMP
SQInstructionDesc g_InstrDesc[]={
{_SC("_OP_LINE")},
{_SC("_OP_LOAD")},
{_SC("_OP_LOADINT")},
{_SC("_OP_LOADFLOAT")},
{_SC("_OP_DLOAD")},
{_SC("_OP_TAILCALL")},
{_SC("_OP_CALL")},
{_SC("_OP_PREPCALL")},
{_SC("_OP_PREPCALLK")},
{_SC("_OP_GETK")},
{_SC("_OP_MOVE")},
{_SC("_OP_NEWSLOT")},
{_SC("_OP_DELETE")},
{_SC("_OP_SET")},
{_SC("_OP_GET")},
{_SC("_OP_EQ")},
{_SC("_OP_NE")},
{_SC("_OP_ADD")},
{_SC("_OP_SUB")},
{_SC("_OP_MUL")},
{_SC("_OP_DIV")},
{_SC("_OP_MOD")},
{_SC("_OP_BITW")},
{_SC("_OP_RETURN")},
{_SC("_OP_LOADNULLS")},
{_SC("_OP_LOADROOT")},
{_SC("_OP_LOADBOOL")},
{_SC("_OP_DMOVE")},
{_SC("_OP_JMP")},
{_SC("_OP_JCMP")},
{_SC("_OP_JZ")},
{_SC("_OP_SETOUTER")},
{_SC("_OP_GETOUTER")},
{_SC("_OP_NEWOBJ")},
{_SC("_OP_APPENDARRAY")},
{_SC("_OP_COMPARITH")},
{_SC("_OP_INC")},
{_SC("_OP_INCL")},
{_SC("_OP_PINC")},
{_SC("_OP_PINCL")},
{_SC("_OP_CMP")},
{_SC("_OP_EXISTS")},
{_SC("_OP_INSTANCEOF")},
{_SC("_OP_AND")},
{_SC("_OP_OR")},
{_SC("_OP_NEG")},
{_SC("_OP_NOT")},
{_SC("_OP_BWNOT")},
{_SC("_OP_CLOSURE")},
{_SC("_OP_YIELD")},
{_SC("_OP_RESUME")},
{_SC("_OP_FOREACH")},
{_SC("_OP_POSTFOREACH")},
{_SC("_OP_CLONE")},
{_SC("_OP_TYPEOF")},
{_SC("_OP_PUSHTRAP")},
{_SC("_OP_POPTRAP")},
{_SC("_OP_THROW")},
{_SC("_OP_NEWSLOTA")},
{_SC("_OP_GETBASE")},
{_SC("_OP_CLOSE")},
};
#endif
void DumpLiteral(SQObjectPtr &o)
{
switch(sq_type(o)){
case OT_STRING: scprintf(_SC("\"%s\""),_stringval(o));break;
case OT_FLOAT: scprintf(_SC("{%f}"),_float(o));break;
case OT_INTEGER: scprintf(_SC("{") _PRINT_INT_FMT _SC("}"),_integer(o));break;
case OT_BOOL: scprintf(_SC("%s"),_integer(o)?_SC("true"):_SC("false"));break;
default: scprintf(_SC("(%s %p)"),GetTypeName(o),(void*)_rawval(o));break; break; //shut up compiler
}
}
SQFuncState::SQFuncState(SQSharedState *ss,SQFuncState *parent,CompilerErrorFunc efunc,void *ed)
{
_nliterals = 0;
_literals = SQTable::Create(ss,0);
_strings = SQTable::Create(ss,0);
_sharedstate = ss;
_lastline = 0;
_optimization = true;
_parent = parent;
_stacksize = 0;
_traps = 0;
_returnexp = 0;
_varparams = false;
_errfunc = efunc;
_errtarget = ed;
_bgenerator = false;
_outers = 0;
_ss = ss;
}
void SQFuncState::Error(const SQChar *err)
{
_errfunc(_errtarget,err);
}
#ifdef _DEBUG_DUMP
void SQFuncState::Dump(SQFunctionProto *func)
{
SQUnsignedInteger n=0,i;
SQInteger si;
scprintf(_SC("SQInstruction sizeof %d\n"),(SQInt32)sizeof(SQInstruction));
scprintf(_SC("SQObject sizeof %d\n"), (SQInt32)sizeof(SQObject));
scprintf(_SC("--------------------------------------------------------------------\n"));
scprintf(_SC("*****FUNCTION [%s]\n"),sq_type(func->_name)==OT_STRING?_stringval(func->_name):_SC("unknown"));
scprintf(_SC("-----LITERALS\n"));
SQObjectPtr refidx,key,val;
SQInteger idx;
SQObjectPtrVec templiterals;
templiterals.resize(_nliterals);
while((idx=_table(_literals)->Next(false,refidx,key,val))!=-1) {
refidx=idx;
templiterals[_integer(val)]=key;
}
for(i=0;i<templiterals.size();i++){
scprintf(_SC("[%d] "), (SQInt32)n);
DumpLiteral(templiterals[i]);
scprintf(_SC("\n"));
n++;
}
scprintf(_SC("-----PARAMS\n"));
if(_varparams)
scprintf(_SC("<<VARPARAMS>>\n"));
n=0;
for(i=0;i<_parameters.size();i++){
scprintf(_SC("[%d] "), (SQInt32)n);
DumpLiteral(_parameters[i]);
scprintf(_SC("\n"));
n++;
}
scprintf(_SC("-----LOCALS\n"));
for(si=0;si<func->_nlocalvarinfos;si++){
SQLocalVarInfo lvi=func->_localvarinfos[si];
scprintf(_SC("[%d] %s \t%d %d\n"), (SQInt32)lvi._pos,_stringval(lvi._name), (SQInt32)lvi._start_op, (SQInt32)lvi._end_op);
n++;
}
scprintf(_SC("-----LINE INFO\n"));
for(i=0;i<_lineinfos.size();i++){
SQLineInfo li=_lineinfos[i];
scprintf(_SC("op [%d] line [%d] \n"), (SQInt32)li._op, (SQInt32)li._line);
n++;
}
scprintf(_SC("-----dump\n"));
n=0;
for(i=0;i<_instructions.size();i++){
SQInstruction &inst=_instructions[i];
if(inst.op==_OP_LOAD || inst.op==_OP_DLOAD || inst.op==_OP_PREPCALLK || inst.op==_OP_GETK ){
SQInteger lidx = inst._arg1;
scprintf(_SC("[%03d] %15s %d "), (SQInt32)n,g_InstrDesc[inst.op].name,inst._arg0);
if(lidx >= 0xFFFFFFFF)
scprintf(_SC("null"));
else {
SQInteger refidx;
SQObjectPtr val,key,refo;
while(((refidx=_table(_literals)->Next(false,refo,key,val))!= -1) && (_integer(val) != lidx)) {
refo = refidx;
}
DumpLiteral(key);
}
if(inst.op != _OP_DLOAD) {
scprintf(_SC(" %d %d \n"),inst._arg2,inst._arg3);
}
else {
scprintf(_SC(" %d "),inst._arg2);
lidx = inst._arg3;
if(lidx >= 0xFFFFFFFF)
scprintf(_SC("null"));
else {
SQInteger refidx;
SQObjectPtr val,key,refo;
while(((refidx=_table(_literals)->Next(false,refo,key,val))!= -1) && (_integer(val) != lidx)) {
refo = refidx;
}
DumpLiteral(key);
scprintf(_SC("\n"));
}
}
}
else if(inst.op==_OP_LOADFLOAT) {
scprintf(_SC("[%03d] %15s %d %f %d %d\n"), (SQInt32)n,g_InstrDesc[inst.op].name,inst._arg0,*((SQFloat*)&inst._arg1),inst._arg2,inst._arg3);
}
/* else if(inst.op==_OP_ARITH){
scprintf(_SC("[%03d] %15s %d %d %d %c\n"),n,g_InstrDesc[inst.op].name,inst._arg0,inst._arg1,inst._arg2,inst._arg3);
}*/
else {
scprintf(_SC("[%03d] %15s %d %d %d %d\n"), (SQInt32)n,g_InstrDesc[inst.op].name,inst._arg0,inst._arg1,inst._arg2,inst._arg3);
}
n++;
}
scprintf(_SC("-----\n"));
scprintf(_SC("stack size[%d]\n"), (SQInt32)func->_stacksize);
scprintf(_SC("--------------------------------------------------------------------\n\n"));
}
#endif
SQInteger SQFuncState::GetNumericConstant(const SQInteger cons)
{
return GetConstant(SQObjectPtr(cons));
}
SQInteger SQFuncState::GetNumericConstant(const SQFloat cons)
{
return GetConstant(SQObjectPtr(cons));
}
SQInteger SQFuncState::GetConstant(const SQObject &cons)
{
SQObjectPtr val;
if(!_table(_literals)->Get(cons,val))
{
val = _nliterals;
_table(_literals)->NewSlot(cons,val);
_nliterals++;
if(_nliterals > MAX_LITERALS) {
val.Null();
Error(_SC("internal compiler error: too many literals"));
}
}
return _integer(val);
}
void SQFuncState::SetInstructionParams(SQInteger pos,SQInteger arg0,SQInteger arg1,SQInteger arg2,SQInteger arg3)
{
_instructions[pos]._arg0=(unsigned char)*((SQUnsignedInteger *)&arg0);
_instructions[pos]._arg1=(SQInt32)*((SQUnsignedInteger *)&arg1);
_instructions[pos]._arg2=(unsigned char)*((SQUnsignedInteger *)&arg2);
_instructions[pos]._arg3=(unsigned char)*((SQUnsignedInteger *)&arg3);
}
void SQFuncState::SetInstructionParam(SQInteger pos,SQInteger arg,SQInteger val)
{
switch(arg){
case 0:_instructions[pos]._arg0=(unsigned char)*((SQUnsignedInteger *)&val);break;
case 1:case 4:_instructions[pos]._arg1=(SQInt32)*((SQUnsignedInteger *)&val);break;
case 2:_instructions[pos]._arg2=(unsigned char)*((SQUnsignedInteger *)&val);break;
case 3:_instructions[pos]._arg3=(unsigned char)*((SQUnsignedInteger *)&val);break;
};
}
SQInteger SQFuncState::AllocStackPos()
{
SQInteger npos=_vlocals.size();
_vlocals.push_back(SQLocalVarInfo());
if(_vlocals.size()>((SQUnsignedInteger)_stacksize)) {
if(_stacksize>MAX_FUNC_STACKSIZE) Error(_SC("internal compiler error: too many locals"));
_stacksize=_vlocals.size();
}
return npos;
}
SQInteger SQFuncState::PushTarget(SQInteger n)
{
if(n!=-1){
_targetstack.push_back(n);
return n;
}
n=AllocStackPos();
_targetstack.push_back(n);
return n;
}
SQInteger SQFuncState::GetUpTarget(SQInteger n){
return _targetstack[((_targetstack.size()-1)-n)];
}
SQInteger SQFuncState::TopTarget(){
return _targetstack.back();
}
SQInteger SQFuncState::PopTarget()
{
SQUnsignedInteger npos=_targetstack.back();
assert(npos < _vlocals.size());
SQLocalVarInfo &t = _vlocals[npos];
if(sq_type(t._name)==OT_NULL){
_vlocals.pop_back();
}
_targetstack.pop_back();
return npos;
}
SQInteger SQFuncState::GetStackSize()
{
return _vlocals.size();
}
SQInteger SQFuncState::CountOuters(SQInteger stacksize)
{
SQInteger outers = 0;
SQInteger k = _vlocals.size() - 1;
while(k >= stacksize) {
SQLocalVarInfo &lvi = _vlocals[k];
k--;
if(lvi._end_op == UINT_MINUS_ONE) { //this means is an outer
outers++;
}
}
return outers;
}
void SQFuncState::SetStackSize(SQInteger n)
{
SQInteger size=_vlocals.size();
while(size>n){
size--;
SQLocalVarInfo lvi = _vlocals.back();
if(sq_type(lvi._name)!=OT_NULL){
if(lvi._end_op == UINT_MINUS_ONE) { //this means is an outer
_outers--;
}
lvi._end_op = GetCurrentPos();
_localvarinfos.push_back(lvi);
}
_vlocals.pop_back();
}
}
bool SQFuncState::IsConstant(const SQObject &name,SQObject &e)
{
SQObjectPtr val;
if(_table(_sharedstate->_consts)->Get(name,val)) {
e = val;
return true;
}
return false;
}
bool SQFuncState::IsLocal(SQUnsignedInteger stkpos)
{
if(stkpos>=_vlocals.size())return false;
else if(sq_type(_vlocals[stkpos]._name)!=OT_NULL)return true;
return false;
}
SQInteger SQFuncState::PushLocalVariable(const SQObject &name)
{
SQInteger pos=_vlocals.size();
SQLocalVarInfo lvi;
lvi._name=name;
lvi._start_op=GetCurrentPos()+1;
lvi._pos=_vlocals.size();
_vlocals.push_back(lvi);
if(_vlocals.size()>((SQUnsignedInteger)_stacksize))_stacksize=_vlocals.size();
return pos;
}
SQInteger SQFuncState::GetLocalVariable(const SQObject &name)
{
SQInteger locals=_vlocals.size();
while(locals>=1){
SQLocalVarInfo &lvi = _vlocals[locals-1];
if(sq_type(lvi._name)==OT_STRING && _string(lvi._name)==_string(name)){
return locals-1;
}
locals--;
}
return -1;
}
void SQFuncState::MarkLocalAsOuter(SQInteger pos)
{
SQLocalVarInfo &lvi = _vlocals[pos];
lvi._end_op = UINT_MINUS_ONE;
_outers++;
}
SQInteger SQFuncState::GetOuterVariable(const SQObject &name)
{
SQInteger outers = _outervalues.size();
for(SQInteger i = 0; i<outers; i++) {
if(_string(_outervalues[i]._name) == _string(name))
return i;
}
SQInteger pos=-1;
if(_parent) {
pos = _parent->GetLocalVariable(name);
if(pos == -1) {
pos = _parent->GetOuterVariable(name);
if(pos != -1) {
_outervalues.push_back(SQOuterVar(name,SQObjectPtr(SQInteger(pos)),otOUTER)); //local
return _outervalues.size() - 1;
}
}
else {
_parent->MarkLocalAsOuter(pos);
_outervalues.push_back(SQOuterVar(name,SQObjectPtr(SQInteger(pos)),otLOCAL)); //local
return _outervalues.size() - 1;
}
}
return -1;
}
void SQFuncState::AddParameter(const SQObject &name)
{
PushLocalVariable(name);
_parameters.push_back(name);
}
void SQFuncState::AddLineInfos(SQInteger line,bool lineop,bool force)
{
if(_lastline!=line || force){
SQLineInfo li;
li._line=line;li._op=(GetCurrentPos()+1);
if(lineop)AddInstruction(_OP_LINE,0,line);
if(_lastline!=line) {
_lineinfos.push_back(li);
}
_lastline=line;
}
}
void SQFuncState::DiscardTarget()
{
SQInteger discardedtarget = PopTarget();
SQInteger size = _instructions.size();
if(size > 0 && _optimization){
SQInstruction &pi = _instructions[size-1];//previous instruction
switch(pi.op) {
case _OP_SET:case _OP_NEWSLOT:case _OP_SETOUTER:case _OP_CALL:
if(pi._arg0 == discardedtarget) {
pi._arg0 = 0xFF;
}
}
}
}
void SQFuncState::AddInstruction(SQInstruction &i)
{
SQInteger size = _instructions.size();
if(size > 0 && _optimization){ //simple optimizer
SQInstruction &pi = _instructions[size-1];//previous instruction
switch(i.op) {
case _OP_JZ:
if( pi.op == _OP_CMP && pi._arg1 < 0xFF) {
pi.op = _OP_JCMP;
pi._arg0 = (unsigned char)pi._arg1;
pi._arg1 = i._arg1;
return;
}
break;
case _OP_SET:
case _OP_NEWSLOT:
if(i._arg0 == i._arg3) {
i._arg0 = 0xFF;
}
break;
case _OP_SETOUTER:
if(i._arg0 == i._arg2) {
i._arg0 = 0xFF;
}
break;
case _OP_RETURN:
if( _parent && i._arg0 != MAX_FUNC_STACKSIZE && pi.op == _OP_CALL && _returnexp < size-1) {
pi.op = _OP_TAILCALL;
} else if(pi.op == _OP_CLOSE){
pi = i;
return;
}
break;
case _OP_GET:
if( pi.op == _OP_LOAD && pi._arg0 == i._arg2 && (!IsLocal(pi._arg0))){
pi._arg2 = (unsigned char)i._arg1;
pi.op = _OP_GETK;
pi._arg0 = i._arg0;
return;
}
break;
case _OP_PREPCALL:
if( pi.op == _OP_LOAD && pi._arg0 == i._arg1 && (!IsLocal(pi._arg0))){
pi.op = _OP_PREPCALLK;
pi._arg0 = i._arg0;
pi._arg2 = i._arg2;
pi._arg3 = i._arg3;
return;
}
break;
case _OP_APPENDARRAY: {
SQInteger aat = -1;
switch(pi.op) {
case _OP_LOAD: aat = AAT_LITERAL; break;
case _OP_LOADINT: aat = AAT_INT; break;
case _OP_LOADBOOL: aat = AAT_BOOL; break;
case _OP_LOADFLOAT: aat = AAT_FLOAT; break;
default: break;
}
if(aat != -1 && pi._arg0 == i._arg1 && (!IsLocal(pi._arg0))){
pi.op = _OP_APPENDARRAY;
pi._arg0 = i._arg0;
pi._arg2 = (unsigned char)aat;
pi._arg3 = MAX_FUNC_STACKSIZE;
return;
}
}
break;
case _OP_MOVE:
switch(pi.op) {
case _OP_GET: case _OP_ADD: case _OP_SUB: case _OP_MUL: case _OP_DIV: case _OP_MOD: case _OP_BITW:
case _OP_LOADINT: case _OP_LOADFLOAT: case _OP_LOADBOOL: case _OP_LOAD:
if(pi._arg0 == i._arg1)
{
pi._arg0 = i._arg0;
_optimization = false;
//_result_elimination = false;
return;
}
}
if(pi.op == _OP_MOVE)
{
pi.op = _OP_DMOVE;
pi._arg2 = i._arg0;
pi._arg3 = (unsigned char)i._arg1;
return;
}
break;
case _OP_LOAD:
if(pi.op == _OP_LOAD && i._arg1 < 256) {
pi.op = _OP_DLOAD;
pi._arg2 = i._arg0;
pi._arg3 = (unsigned char)i._arg1;
return;
}
break;
case _OP_EQ:case _OP_NE:
if(pi.op == _OP_LOAD && pi._arg0 == i._arg1 && (!IsLocal(pi._arg0) ))
{
pi.op = i.op;
pi._arg0 = i._arg0;
pi._arg2 = i._arg2;
pi._arg3 = MAX_FUNC_STACKSIZE;
return;
}
break;
case _OP_LOADNULLS:
if((pi.op == _OP_LOADNULLS && pi._arg0+pi._arg1 == i._arg0)) {
pi._arg1 = pi._arg1 + 1;
pi.op = _OP_LOADNULLS;
return;
}
break;
case _OP_LINE:
if(pi.op == _OP_LINE) {
_instructions.pop_back();
_lineinfos.pop_back();
}
break;
}
}
_optimization = true;
_instructions.push_back(i);
}
SQObject SQFuncState::CreateString(const SQChar *s,SQInteger len)
{
SQObjectPtr ns(SQString::Create(_sharedstate,s,len));
_table(_strings)->NewSlot(ns,(SQInteger)1);
return ns;
}
SQObject SQFuncState::CreateTable()
{
SQObjectPtr nt(SQTable::Create(_sharedstate,0));
_table(_strings)->NewSlot(nt,(SQInteger)1);
return nt;
}
SQFunctionProto *SQFuncState::BuildProto()
{
SQFunctionProto *f=SQFunctionProto::Create(_ss,_instructions.size(),
_nliterals,_parameters.size(),_functions.size(),_outervalues.size(),
_lineinfos.size(),_localvarinfos.size(),_defaultparams.size());
SQObjectPtr refidx,key,val;
SQInteger idx;
f->_stacksize = _stacksize;
f->_sourcename = _sourcename;
f->_bgenerator = _bgenerator;
f->_name = _name;
while((idx=_table(_literals)->Next(false,refidx,key,val))!=-1) {
f->_literals[_integer(val)]=key;
refidx=idx;
}
for(SQUnsignedInteger nf = 0; nf < _functions.size(); nf++) f->_functions[nf] = _functions[nf];
for(SQUnsignedInteger np = 0; np < _parameters.size(); np++) f->_parameters[np] = _parameters[np];
for(SQUnsignedInteger no = 0; no < _outervalues.size(); no++) f->_outervalues[no] = _outervalues[no];
for(SQUnsignedInteger nl = 0; nl < _localvarinfos.size(); nl++) f->_localvarinfos[nl] = _localvarinfos[nl];
for(SQUnsignedInteger ni = 0; ni < _lineinfos.size(); ni++) f->_lineinfos[ni] = _lineinfos[ni];
for(SQUnsignedInteger nd = 0; nd < _defaultparams.size(); nd++) f->_defaultparams[nd] = _defaultparams[nd];
memcpy(f->_instructions,&_instructions[0],_instructions.size()*sizeof(SQInstruction));
f->_varparams = _varparams;
return f;
}
SQFuncState *SQFuncState::PushChildState(SQSharedState *ss)
{
SQFuncState *child = (SQFuncState *)sq_malloc(sizeof(SQFuncState));
new (child) SQFuncState(ss,this,_errfunc,_errtarget);
_childstates.push_back(child);
return child;
}
void SQFuncState::PopChildState()
{
SQFuncState *child = _childstates.back();
sq_delete(child,SQFuncState);
_childstates.pop_back();
}
SQFuncState::~SQFuncState()
{
while(_childstates.size() > 0)
{
PopChildState();
}
}
#endif

91
squirrel/sqfuncstate.h
View File

@ -1,91 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQFUNCSTATE_H_
#define _SQFUNCSTATE_H_
///////////////////////////////////
#include "squtils.h"
struct SQFuncState
{
SQFuncState(SQSharedState *ss,SQFuncState *parent,CompilerErrorFunc efunc,void *ed);
~SQFuncState();
#ifdef _DEBUG_DUMP
void Dump(SQFunctionProto *func);
#endif
void Error(const SQChar *err);
SQFuncState *PushChildState(SQSharedState *ss);
void PopChildState();
void AddInstruction(SQOpcode _op,SQInteger arg0=0,SQInteger arg1=0,SQInteger arg2=0,SQInteger arg3=0){SQInstruction i(_op,arg0,arg1,arg2,arg3);AddInstruction(i);}
void AddInstruction(SQInstruction &i);
void SetInstructionParams(SQInteger pos,SQInteger arg0,SQInteger arg1,SQInteger arg2=0,SQInteger arg3=0);
void SetInstructionParam(SQInteger pos,SQInteger arg,SQInteger val);
SQInstruction &GetInstruction(SQInteger pos){return _instructions[pos];}
void PopInstructions(SQInteger size){for(SQInteger i=0;i<size;i++)_instructions.pop_back();}
void SetStackSize(SQInteger n);
SQInteger CountOuters(SQInteger stacksize);
void SnoozeOpt(){_optimization=false;}
void AddDefaultParam(SQInteger trg) { _defaultparams.push_back(trg); }
SQInteger GetDefaultParamCount() { return _defaultparams.size(); }
SQInteger GetCurrentPos(){return _instructions.size()-1;}
SQInteger GetNumericConstant(const SQInteger cons);
SQInteger GetNumericConstant(const SQFloat cons);
SQInteger PushLocalVariable(const SQObject &name);
void AddParameter(const SQObject &name);
//void AddOuterValue(const SQObject &name);
SQInteger GetLocalVariable(const SQObject &name);
void MarkLocalAsOuter(SQInteger pos);
SQInteger GetOuterVariable(const SQObject &name);
SQInteger GenerateCode();
SQInteger GetStackSize();
SQInteger CalcStackFrameSize();
void AddLineInfos(SQInteger line,bool lineop,bool force=false);
SQFunctionProto *BuildProto();
SQInteger AllocStackPos();
SQInteger PushTarget(SQInteger n=-1);
SQInteger PopTarget();
SQInteger TopTarget();
SQInteger GetUpTarget(SQInteger n);
void DiscardTarget();
bool IsLocal(SQUnsignedInteger stkpos);
SQObject CreateString(const SQChar *s,SQInteger len = -1);
SQObject CreateTable();
bool IsConstant(const SQObject &name,SQObject &e);
SQInteger _returnexp;
SQLocalVarInfoVec _vlocals;
SQIntVec _targetstack;
SQInteger _stacksize;
bool _varparams;
bool _bgenerator;
SQIntVec _unresolvedbreaks;
SQIntVec _unresolvedcontinues;
SQObjectPtrVec _functions;
SQObjectPtrVec _parameters;
SQOuterVarVec _outervalues;
SQInstructionVec _instructions;
SQLocalVarInfoVec _localvarinfos;
SQObjectPtr _literals;
SQObjectPtr _strings;
SQObjectPtr _name;
SQObjectPtr _sourcename;
SQInteger _nliterals;
SQLineInfoVec _lineinfos;
SQFuncState *_parent;
SQIntVec _scope_blocks;
SQIntVec _breaktargets;
SQIntVec _continuetargets;
SQIntVec _defaultparams;
SQInteger _lastline;
SQInteger _traps; //contains number of nested exception traps
SQInteger _outers;
bool _optimization;
SQSharedState *_sharedstate;
sqvector<SQFuncState*> _childstates;
SQInteger GetConstant(const SQObject &cons);
private:
CompilerErrorFunc _errfunc;
void *_errtarget;
SQSharedState *_ss;
};
#endif //_SQFUNCSTATE_H_

563
squirrel/sqlexer.cpp
View File

@ -1,563 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include <ctype.h>
#include <stdlib.h>
#include "sqtable.h"
#include "sqstring.h"
#include "sqcompiler.h"
#include "sqlexer.h"
#define CUR_CHAR (_currdata)
#define RETURN_TOKEN(t) { _prevtoken = _curtoken; _curtoken = t; return t;}
#define IS_EOB() (CUR_CHAR <= SQUIRREL_EOB)
#define NEXT() {Next();_currentcolumn++;}
#define INIT_TEMP_STRING() { _longstr.resize(0);}
#define APPEND_CHAR(c) { _longstr.push_back(c);}
#define TERMINATE_BUFFER() {_longstr.push_back(_SC('\0'));}
#define ADD_KEYWORD(key,id) _keywords->NewSlot( SQString::Create(ss, _SC(#key)) ,SQInteger(id))
SQLexer::SQLexer(){}
SQLexer::~SQLexer()
{
_keywords->Release();
}
void SQLexer::Init(SQSharedState *ss, SQLEXREADFUNC rg, SQUserPointer up,CompilerErrorFunc efunc,void *ed)
{
_errfunc = efunc;
_errtarget = ed;
_sharedstate = ss;
_keywords = SQTable::Create(ss, 37);
ADD_KEYWORD(while, TK_WHILE);
ADD_KEYWORD(do, TK_DO);
ADD_KEYWORD(if, TK_IF);
ADD_KEYWORD(else, TK_ELSE);
ADD_KEYWORD(break, TK_BREAK);
ADD_KEYWORD(continue, TK_CONTINUE);
ADD_KEYWORD(return, TK_RETURN);
ADD_KEYWORD(null, TK_NULL);
ADD_KEYWORD(function, TK_FUNCTION);
ADD_KEYWORD(local, TK_LOCAL);
ADD_KEYWORD(for, TK_FOR);
ADD_KEYWORD(foreach, TK_FOREACH);
ADD_KEYWORD(in, TK_IN);
ADD_KEYWORD(typeof, TK_TYPEOF);
ADD_KEYWORD(base, TK_BASE);
ADD_KEYWORD(delete, TK_DELETE);
ADD_KEYWORD(try, TK_TRY);
ADD_KEYWORD(catch, TK_CATCH);
ADD_KEYWORD(throw, TK_THROW);
ADD_KEYWORD(clone, TK_CLONE);
ADD_KEYWORD(yield, TK_YIELD);
ADD_KEYWORD(resume, TK_RESUME);
ADD_KEYWORD(switch, TK_SWITCH);
ADD_KEYWORD(case, TK_CASE);
ADD_KEYWORD(default, TK_DEFAULT);
ADD_KEYWORD(this, TK_THIS);
ADD_KEYWORD(class,TK_CLASS);
ADD_KEYWORD(extends,TK_EXTENDS);
ADD_KEYWORD(constructor,TK_CONSTRUCTOR);
ADD_KEYWORD(instanceof,TK_INSTANCEOF);
ADD_KEYWORD(true,TK_TRUE);
ADD_KEYWORD(false,TK_FALSE);
ADD_KEYWORD(static,TK_STATIC);
ADD_KEYWORD(enum,TK_ENUM);
ADD_KEYWORD(const,TK_CONST);
ADD_KEYWORD(__LINE__,TK___LINE__);
ADD_KEYWORD(__FILE__,TK___FILE__);
ADD_KEYWORD(rawcall, TK_RAWCALL);
_readf = rg;
_up = up;
_lasttokenline = _currentline = 1;
_currentcolumn = 0;
_prevtoken = -1;
_reached_eof = SQFalse;
Next();
}
void SQLexer::Error(const SQChar *err)
{
_errfunc(_errtarget,err);
}
void SQLexer::Next()
{
SQInteger t = _readf(_up);
if(t > MAX_CHAR) Error(_SC("Invalid character"));
if(t != 0) {
_currdata = (LexChar)t;
return;
}
_currdata = SQUIRREL_EOB;
_reached_eof = SQTrue;
}
const SQChar *SQLexer::Tok2Str(SQInteger tok)
{
SQObjectPtr itr, key, val;
SQInteger nitr;
while((nitr = _keywords->Next(false,itr, key, val)) != -1) {
itr = (SQInteger)nitr;
if(((SQInteger)_integer(val)) == tok)
return _stringval(key);
}
return NULL;
}
void SQLexer::LexBlockComment()
{
bool done = false;
while(!done) {
switch(CUR_CHAR) {
case _SC('*'): { NEXT(); if(CUR_CHAR == _SC('/')) { done = true; NEXT(); }}; continue;
case _SC('\n'): _currentline++; NEXT(); continue;
case SQUIRREL_EOB: Error(_SC("missing \"*/\" in comment"));
default: NEXT();
}
}
}
void SQLexer::LexLineComment()
{
do { NEXT(); } while (CUR_CHAR != _SC('\n') && (!IS_EOB()));
}
SQInteger SQLexer::Lex()
{
_lasttokenline = _currentline;
while(CUR_CHAR != SQUIRREL_EOB) {
switch(CUR_CHAR){
case _SC('\t'): case _SC('\r'): case _SC(' '): NEXT(); continue;
case _SC('\n'):
_currentline++;
_prevtoken=_curtoken;
_curtoken=_SC('\n');
NEXT();
_currentcolumn=1;
continue;
case _SC('#'): LexLineComment(); continue;
case _SC('/'):
NEXT();
switch(CUR_CHAR){
case _SC('*'):
NEXT();
LexBlockComment();
continue;
case _SC('/'):
LexLineComment();
continue;
case _SC('='):
NEXT();
RETURN_TOKEN(TK_DIVEQ);
continue;
case _SC('>'):
NEXT();
RETURN_TOKEN(TK_ATTR_CLOSE);
continue;
default:
RETURN_TOKEN('/');
}
case _SC('='):
NEXT();
if (CUR_CHAR != _SC('=')){ RETURN_TOKEN('=') }
else { NEXT(); RETURN_TOKEN(TK_EQ); }
case _SC('<'):
NEXT();
switch(CUR_CHAR) {
case _SC('='):
NEXT();
if(CUR_CHAR == _SC('>')) {
NEXT();
RETURN_TOKEN(TK_3WAYSCMP);
}
RETURN_TOKEN(TK_LE)
break;
case _SC('-'): NEXT(); RETURN_TOKEN(TK_NEWSLOT); break;
case _SC('<'): NEXT(); RETURN_TOKEN(TK_SHIFTL); break;
case _SC('/'): NEXT(); RETURN_TOKEN(TK_ATTR_OPEN); break;
}
RETURN_TOKEN('<');
case _SC('>'):
NEXT();
if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_GE);}
else if(CUR_CHAR == _SC('>')){
NEXT();
if(CUR_CHAR == _SC('>')){
NEXT();
RETURN_TOKEN(TK_USHIFTR);
}
RETURN_TOKEN(TK_SHIFTR);
}
else { RETURN_TOKEN('>') }
case _SC('!'):
NEXT();
if (CUR_CHAR != _SC('=')){ RETURN_TOKEN('!')}
else { NEXT(); RETURN_TOKEN(TK_NE); }
case _SC('@'): {
SQInteger stype;
NEXT();
if(CUR_CHAR != _SC('"')) {
RETURN_TOKEN('@');
}
if((stype=ReadString('"',true))!=-1) {
RETURN_TOKEN(stype);
}
Error(_SC("error parsing the string"));
}
case _SC('"'):
case _SC('\''): {
SQInteger stype;
if((stype=ReadString(CUR_CHAR,false))!=-1){
RETURN_TOKEN(stype);
}
Error(_SC("error parsing the string"));
}
case _SC('{'): case _SC('}'): case _SC('('): case _SC(')'): case _SC('['): case _SC(']'):
case _SC(';'): case _SC(','): case _SC('?'): case _SC('^'): case _SC('~'):
{SQInteger ret = CUR_CHAR;
NEXT(); RETURN_TOKEN(ret); }
case _SC('.'):
NEXT();
if (CUR_CHAR != _SC('.')){ RETURN_TOKEN('.') }
NEXT();
if (CUR_CHAR != _SC('.')){ Error(_SC("invalid token '..'")); }
NEXT();
RETURN_TOKEN(TK_VARPARAMS);
case _SC('&'):
NEXT();
if (CUR_CHAR != _SC('&')){ RETURN_TOKEN('&') }
else { NEXT(); RETURN_TOKEN(TK_AND); }
case _SC('|'):
NEXT();
if (CUR_CHAR != _SC('|')){ RETURN_TOKEN('|') }
else { NEXT(); RETURN_TOKEN(TK_OR); }
case _SC(':'):
NEXT();
if (CUR_CHAR != _SC(':')){ RETURN_TOKEN(':') }
else { NEXT(); RETURN_TOKEN(TK_DOUBLE_COLON); }
case _SC('*'):
NEXT();
if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_MULEQ);}
else RETURN_TOKEN('*');
case _SC('%'):
NEXT();
if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_MODEQ);}
else RETURN_TOKEN('%');
case _SC('-'):
NEXT();
if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_MINUSEQ);}
else if (CUR_CHAR == _SC('-')){ NEXT(); RETURN_TOKEN(TK_MINUSMINUS);}
else RETURN_TOKEN('-');
case _SC('+'):
NEXT();
if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_PLUSEQ);}
else if (CUR_CHAR == _SC('+')){ NEXT(); RETURN_TOKEN(TK_PLUSPLUS);}
else RETURN_TOKEN('+');
case SQUIRREL_EOB:
return 0;
default:{
if (scisdigit(CUR_CHAR)) {
SQInteger ret = ReadNumber();
RETURN_TOKEN(ret);
}
else if (scisalpha(CUR_CHAR) || CUR_CHAR == _SC('_')) {
SQInteger t = ReadID();
RETURN_TOKEN(t);
}
else {
SQInteger c = CUR_CHAR;
if (sciscntrl((int)c)) Error(_SC("unexpected character(control)"));
NEXT();
RETURN_TOKEN(c);
}
RETURN_TOKEN(0);
}
}
}
return 0;
}
SQInteger SQLexer::GetIDType(const SQChar *s,SQInteger len)
{
SQObjectPtr t;
if(_keywords->GetStr(s,len, t)) {
return SQInteger(_integer(t));
}
return TK_IDENTIFIER;
}
#ifdef SQUNICODE
#if WCHAR_SIZE == 2
SQInteger SQLexer::AddUTF16(SQUnsignedInteger ch)
{
if (ch >= 0x10000)
{
SQUnsignedInteger code = (ch - 0x10000);
APPEND_CHAR((SQChar)(0xD800 | (code >> 10)));
APPEND_CHAR((SQChar)(0xDC00 | (code & 0x3FF)));
return 2;
}
else {
APPEND_CHAR((SQChar)ch);
return 1;
}
}
#endif
#else
SQInteger SQLexer::AddUTF8(SQUnsignedInteger ch)
{
if (ch < 0x80) {
APPEND_CHAR((char)ch);
return 1;
}
if (ch < 0x800) {
APPEND_CHAR((SQChar)((ch >> 6) | 0xC0));
APPEND_CHAR((SQChar)((ch & 0x3F) | 0x80));
return 2;
}
if (ch < 0x10000) {
APPEND_CHAR((SQChar)((ch >> 12) | 0xE0));
APPEND_CHAR((SQChar)(((ch >> 6) & 0x3F) | 0x80));
APPEND_CHAR((SQChar)((ch & 0x3F) | 0x80));
return 3;
}
if (ch < 0x110000) {
APPEND_CHAR((SQChar)((ch >> 18) | 0xF0));
APPEND_CHAR((SQChar)(((ch >> 12) & 0x3F) | 0x80));
APPEND_CHAR((SQChar)(((ch >> 6) & 0x3F) | 0x80));
APPEND_CHAR((SQChar)((ch & 0x3F) | 0x80));
return 4;
}
return 0;
}
#endif
SQInteger SQLexer::ProcessStringHexEscape(SQChar *dest, SQInteger maxdigits)
{
NEXT();
if (!isxdigit(CUR_CHAR)) Error(_SC("hexadecimal number expected"));
SQInteger n = 0;
while (isxdigit(CUR_CHAR) && n < maxdigits) {
dest[n] = CUR_CHAR;
n++;
NEXT();
}
dest[n] = 0;
return n;
}
SQInteger SQLexer::ReadString(SQInteger ndelim,bool verbatim)
{
INIT_TEMP_STRING();
NEXT();
if(IS_EOB()) return -1;
for(;;) {
while(CUR_CHAR != ndelim) {
SQInteger x = CUR_CHAR;
switch (x) {
case SQUIRREL_EOB:
Error(_SC("unfinished string"));
return -1;
case _SC('\n'):
if(!verbatim) Error(_SC("newline in a constant"));
APPEND_CHAR(CUR_CHAR); NEXT();
_currentline++;
break;
case _SC('\\'):
if(verbatim) {
APPEND_CHAR('\\'); NEXT();
}
else {
NEXT();
switch(CUR_CHAR) {
case _SC('x'): {
const SQInteger maxdigits = sizeof(SQChar) * 2;
SQChar temp[maxdigits + 1];
ProcessStringHexEscape(temp, maxdigits);
SQChar *stemp;
APPEND_CHAR((SQChar)scstrtoul(temp, &stemp, 16));
}
break;
case _SC('U'):
case _SC('u'): {
const SQInteger maxdigits = CUR_CHAR == 'u' ? 4 : 8;
SQChar temp[8 + 1];
ProcessStringHexEscape(temp, maxdigits);
SQChar *stemp;
#ifdef SQUNICODE
#if WCHAR_SIZE == 2
AddUTF16(scstrtoul(temp, &stemp, 16));
#else
APPEND_CHAR((SQChar)scstrtoul(temp, &stemp, 16));
#endif
#else
AddUTF8(scstrtoul(temp, &stemp, 16));
#endif
}
break;
case _SC('t'): APPEND_CHAR(_SC('\t')); NEXT(); break;
case _SC('a'): APPEND_CHAR(_SC('\a')); NEXT(); break;
case _SC('b'): APPEND_CHAR(_SC('\b')); NEXT(); break;
case _SC('n'): APPEND_CHAR(_SC('\n')); NEXT(); break;
case _SC('r'): APPEND_CHAR(_SC('\r')); NEXT(); break;
case _SC('v'): APPEND_CHAR(_SC('\v')); NEXT(); break;
case _SC('f'): APPEND_CHAR(_SC('\f')); NEXT(); break;
case _SC('0'): APPEND_CHAR(_SC('\0')); NEXT(); break;
case _SC('\\'): APPEND_CHAR(_SC('\\')); NEXT(); break;
case _SC('"'): APPEND_CHAR(_SC('"')); NEXT(); break;
case _SC('\''): APPEND_CHAR(_SC('\'')); NEXT(); break;
default:
Error(_SC("unrecognised escaper char"));
break;
}
}
break;
default:
APPEND_CHAR(CUR_CHAR);
NEXT();
}
}
NEXT();
if(verbatim && CUR_CHAR == '"') { //double quotation
APPEND_CHAR(CUR_CHAR);
NEXT();
}
else {
break;
}
}
TERMINATE_BUFFER();
SQInteger len = _longstr.size()-1;
if(ndelim == _SC('\'')) {
if(len == 0) Error(_SC("empty constant"));
if(len > 1) Error(_SC("constant too long"));
_nvalue = _longstr[0];
return TK_INTEGER;
}
_svalue = &_longstr[0];
return TK_STRING_LITERAL;
}
void LexHexadecimal(const SQChar *s,SQUnsignedInteger *res)
{
*res = 0;
while(*s != 0)
{
if(scisdigit(*s)) *res = (*res)*16+((*s++)-'0');
else if(scisxdigit(*s)) *res = (*res)*16+(toupper(*s++)-'A'+10);
else { assert(0); }
}
}
void LexInteger(const SQChar *s,SQUnsignedInteger *res)
{
*res = 0;
while(*s != 0)
{
*res = (*res)*10+((*s++)-'0');
}
}
SQInteger scisodigit(SQInteger c) { return c >= _SC('0') && c <= _SC('7'); }
void LexOctal(const SQChar *s,SQUnsignedInteger *res)
{
*res = 0;
while(*s != 0)
{
if(scisodigit(*s)) *res = (*res)*8+((*s++)-'0');
else { assert(0); }
}
}
SQInteger isexponent(SQInteger c) { return c == 'e' || c=='E'; }
#define MAX_HEX_DIGITS (sizeof(SQInteger)*2)
SQInteger SQLexer::ReadNumber()
{
#define TINT 1
#define TFLOAT 2
#define THEX 3
#define TSCIENTIFIC 4
#define TOCTAL 5
SQInteger type = TINT, firstchar = CUR_CHAR;
SQChar *sTemp;
INIT_TEMP_STRING();
NEXT();
if(firstchar == _SC('0') && (toupper(CUR_CHAR) == _SC('X') || scisodigit(CUR_CHAR)) ) {
if(scisodigit(CUR_CHAR)) {
type = TOCTAL;
while(scisodigit(CUR_CHAR)) {
APPEND_CHAR(CUR_CHAR);
NEXT();
}
if(scisdigit(CUR_CHAR)) Error(_SC("invalid octal number"));
}
else {
NEXT();
type = THEX;
while(isxdigit(CUR_CHAR)) {
APPEND_CHAR(CUR_CHAR);
NEXT();
}
if(_longstr.size() > MAX_HEX_DIGITS) Error(_SC("too many digits for an Hex number"));
}
}
else {
APPEND_CHAR((int)firstchar);
while (CUR_CHAR == _SC('.') || scisdigit(CUR_CHAR) || isexponent(CUR_CHAR)) {
if(CUR_CHAR == _SC('.') || isexponent(CUR_CHAR)) type = TFLOAT;
if(isexponent(CUR_CHAR)) {
if(type != TFLOAT) Error(_SC("invalid numeric format"));
type = TSCIENTIFIC;
APPEND_CHAR(CUR_CHAR);
NEXT();
if(CUR_CHAR == '+' || CUR_CHAR == '-'){
APPEND_CHAR(CUR_CHAR);
NEXT();
}
if(!scisdigit(CUR_CHAR)) Error(_SC("exponent expected"));
}
APPEND_CHAR(CUR_CHAR);
NEXT();
}
}
TERMINATE_BUFFER();
switch(type) {
case TSCIENTIFIC:
case TFLOAT:
_fvalue = (SQFloat)scstrtod(&_longstr[0],&sTemp);
return TK_FLOAT;
case TINT:
LexInteger(&_longstr[0],(SQUnsignedInteger *)&_nvalue);
return TK_INTEGER;
case THEX:
LexHexadecimal(&_longstr[0],(SQUnsignedInteger *)&_nvalue);
return TK_INTEGER;
case TOCTAL:
LexOctal(&_longstr[0],(SQUnsignedInteger *)&_nvalue);
return TK_INTEGER;
}
return 0;
}
SQInteger SQLexer::ReadID()
{
SQInteger res;
INIT_TEMP_STRING();
do {
APPEND_CHAR(CUR_CHAR);
NEXT();
} while(scisalnum(CUR_CHAR) || CUR_CHAR == _SC('_'));
TERMINATE_BUFFER();
res = GetIDType(&_longstr[0],_longstr.size() - 1);
if(res == TK_IDENTIFIER || res == TK_CONSTRUCTOR) {
_svalue = &_longstr[0];
}
return res;
}

55
squirrel/sqlexer.h
View File

@ -1,55 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQLEXER_H_
#define _SQLEXER_H_
#ifdef SQUNICODE
typedef SQChar LexChar;
#else
typedef unsigned char LexChar;
#endif
struct SQLexer
{
SQLexer();
~SQLexer();
void Init(SQSharedState *ss,SQLEXREADFUNC rg,SQUserPointer up,CompilerErrorFunc efunc,void *ed);
void Error(const SQChar *err);
SQInteger Lex();
const SQChar *Tok2Str(SQInteger tok);
private:
SQInteger GetIDType(const SQChar *s,SQInteger len);
SQInteger ReadString(SQInteger ndelim,bool verbatim);
SQInteger ReadNumber();
void LexBlockComment();
void LexLineComment();
SQInteger ReadID();
void Next();
#ifdef SQUNICODE
#if WCHAR_SIZE == 2
SQInteger AddUTF16(SQUnsignedInteger ch);
#endif
#else
SQInteger AddUTF8(SQUnsignedInteger ch);
#endif
SQInteger ProcessStringHexEscape(SQChar *dest, SQInteger maxdigits);
SQInteger _curtoken;
SQTable *_keywords;
SQBool _reached_eof;
public:
SQInteger _prevtoken;
SQInteger _currentline;
SQInteger _lasttokenline;
SQInteger _currentcolumn;
const SQChar *_svalue;
SQInteger _nvalue;
SQFloat _fvalue;
SQLEXREADFUNC _readf;
SQUserPointer _up;
LexChar _currdata;
SQSharedState *_sharedstate;
sqvector<SQChar> _longstr;
CompilerErrorFunc _errfunc;
void *_errtarget;
};
#endif

11
squirrel/sqmem.cpp
View File

@ -1,11 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#ifndef SQ_EXCLUDE_DEFAULT_MEMFUNCTIONS
void *sq_vm_malloc(SQUnsignedInteger size){ return malloc(size); }
void *sq_vm_realloc(void *p, SQUnsignedInteger SQ_UNUSED_ARG(oldsize), SQUnsignedInteger size){ return realloc(p, size); }
void sq_vm_free(void *p, SQUnsignedInteger SQ_UNUSED_ARG(size)){ free(p); }
#endif

677
squirrel/sqobject.cpp
View File

@ -1,677 +0,0 @@
/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include "sqvm.h"
#include "sqstring.h"
#include "sqarray.h"
#include "sqtable.h"
#include "squserdata.h"
#include "sqfuncproto.h"
#include "sqclass.h"
#include "sqclosure.h"
const SQChar *IdType2Name(SQObjectType type)
{
switch(_RAW_TYPE(type))
{
case _RT_NULL:return _SC("null");
case _RT_INTEGER:return _SC("integer");
case _RT_FLOAT:return _SC("float");
case _RT_BOOL:return _SC("bool");
case _RT_STRING:return _SC("string");
case _RT_TABLE:return _SC("table");
case _RT_ARRAY:return _SC("array");
case _RT_GENERATOR:return _SC("generator");
case _RT_CLOSURE:
case _RT_NATIVECLOSURE:
return _SC("function");
case _RT_USERDATA:
case _RT_USERPOINTER:
return _SC("userdata");
case _RT_THREAD: return _SC("thread");
case _RT_FUNCPROTO: return _SC("function");
case _RT_CLASS: return _SC("class");
case _RT_INSTANCE: return _SC("instance");
case _RT_WEAKREF: return _SC("weakref");
case _RT_OUTER: return _SC("outer");
default:
return NULL;
}
}
const SQChar *GetTypeName(const SQObjectPtr &obj1)
{
return IdType2Name(sq_type(obj1));
}
SQString *SQString::Create(SQSharedState *ss,const SQChar *s,SQInteger len)
{
SQString *str=ADD_STRING(ss,s,len);
return str;
}
void SQString::Release()
{
REMOVE_STRING(_sharedstate,this);
}
SQInteger SQString::Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval)
{
SQInteger idx = (SQInteger)TranslateIndex(refpos);
while(idx < _len){
outkey = (SQInteger)idx;
outval = (SQInteger)((SQUnsignedInteger)_val[idx]);
//return idx for the next iteration
return ++idx;
}
//nothing to iterate anymore
return -1;
}
SQUnsignedInteger TranslateIndex(const SQObjectPtr &idx)
{
switch(sq_type(idx)){
case OT_NULL:
return 0;
case OT_INTEGER:
return (SQUnsignedInteger)_integer(idx);
default: assert(0); break;
}
return 0;
}
SQWeakRef *SQRefCounted::GetWeakRef(SQObjectType type)
{
if(!_weakref) {
sq_new(_weakref,SQWeakRef);
#if defined(SQUSEDOUBLE) && !defined(_SQ64)
_weakref->_obj._unVal.raw = 0; //clean the whole union on 32 bits with double
#endif
_weakref->_obj._type = type;
_weakref->_obj._unVal.pRefCounted = this;
}
return _weakref;
}
SQRefCounted::~SQRefCounted()
{
if(_weakref) {
_weakref->_obj._type = OT_NULL;
_weakref->_obj._unVal.pRefCounted = NULL;
}
}
void SQWeakRef::Release() {
if(ISREFCOUNTED(_obj._type)) {
_obj._unVal.pRefCounted->_weakref = NULL;
}
sq_delete(this,SQWeakRef);
}
bool SQDelegable::GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res) {
if(_delegate) {
return _delegate->Get((*_ss(v)->_metamethods)[mm],res);
}
return false;
}
bool SQDelegable::SetDelegate(SQTable *mt)
{
SQTable *temp = mt;
if(temp == this) return false;
while (temp) {
if (temp->_delegate == this) return false; //cycle detected
temp = temp->_delegate;
}
if (mt) __ObjAddRef(mt);
__ObjRelease(_delegate);
_delegate = mt;
return true;
}
bool SQGenerator::Yield(SQVM *v,SQInteger target)
{
if(_state==eSuspended) { v->Raise_Error(_SC("internal vm error, yielding dead generator")); return false;}
if(_state==eDead) { v->Raise_Error(_SC("internal vm error, yielding a dead generator")); return false; }
SQInteger size = v->_top-v->_stackbase;
_stack.resize(size);
SQObject _this = v->_stack[v->_stackbase];
_stack._vals[0] = ISREFCOUNTED(sq_type(_this)) ? SQObjectPtr(_refcounted(_this)->GetWeakRef(sq_type(_this))) : _this;
for(SQInteger n =1; n<target; n++) {
_stack._vals[n] = v->_stack[v->_stackbase+n];
}
for(SQInteger j =0; j < size; j++)
{
v->_stack[v->_stackbase+j].Null();
}
_ci = *v->ci;
_ci._generator=NULL;
for(SQInteger i=0;i<_ci._etraps;i++) {
_etraps.push_back(v->_etraps.top());
v->_etraps.pop_back();
// store relative stack base and size in case of resume to other _top
SQExceptionTrap &et = _etraps.back();
et._stackbase -= v->_stackbase;
et._stacksize -= v->_stackbase;
}
_state=eSuspended;
return true;
}
bool SQGenerator::Resume(SQVM *v,SQObjectPtr &dest)
{
if(_state==eDead){ v->Raise_Error(_SC("resuming dead generator")); return false; }
if(_state==eRunning){ v->Raise_Error(_SC("resuming active generator")); return false; }
SQInteger size = _stack.size();
SQInteger target = &dest - &(v->_stack._vals[v->_stackbase]);
assert(target>=0 && target<=255);
SQInteger newbase = v->_top;
if(!v->EnterFrame(v->_top, v->_top + size, false))
return false;
v->ci->_generator = this;
v->ci->_target = (SQInt32)target;
v->ci->_closure = _ci._closure;
v->ci->_ip = _ci._ip;
v->ci->_literals = _ci._literals;
v->ci->_ncalls = _ci._ncalls;
v->ci->_etraps = _ci._etraps;
v->ci->_root = _ci._root;
for(SQInteger i=0;i<_ci._etraps;i++) {
v->_etraps.push_back(_etraps.top());
_etraps.pop_back();
SQExceptionTrap &et = v->_etraps.back();
// restore absolute stack base and size
et._stackbase += newbase;
et._stacksize += newbase;
}
SQObject _this = _stack._vals[0];
v->_stack[v->_stackbase] = sq_type(_this) == OT_WEAKREF ? _weakref(_this)->_obj : _this;
for(SQInteger n = 1; n<size; n++) {
v->_stack[v->_stackbase+n] = _stack._vals[n];
_stack._vals[n].Null();
}
_state=eRunning;
if (v->_debughook)
v->CallDebugHook(_SC('c'));
return true;
}
void SQArray::Extend(const SQArray *a){
SQInteger xlen;
if((xlen=a->Size()))
for(SQInteger i=0;i<xlen;i++)
Append(a->_values[i]);
}
const SQChar* SQFunctionProto::GetLocal(SQVM *vm,SQUnsignedInteger stackbase,SQUnsignedInteger nseq,SQUnsignedInteger nop)
{
SQUnsignedInteger nvars=_nlocalvarinfos;
const SQChar *res=NULL;
if(nvars>=nseq){
for(SQUnsignedInteger i=0;i<nvars;i++){
if(_localvarinfos[i]._start_op<=nop && _localvarinfos[i]._end_op>=nop)
{
if(nseq==0){
vm->Push(vm->_stack[stackbase+_localvarinfos[i]._pos]);
res=_stringval(_localvarinfos[i]._name);
break;
}
nseq--;
}
}
}
return res;
}
SQInteger SQFunctionProto::GetLine(SQInstruction *curr)
{
SQInteger op = (SQInteger)(curr-_instructions);
SQInteger line=_lineinfos[0]._line;
SQInteger low = 0;
SQInteger high = _nlineinfos - 1;
SQInteger mid = 0;
while(low <= high)
{
mid = low + ((high - low) >> 1);
SQInteger curop = _lineinfos[mid]._op;
if(curop > op)
{
high = mid - 1;
}
else if(curop < op) {
if(mid < (_nlineinfos - 1)
&& _lineinfos[mid + 1]._op >= op) {
break;
}
low = mid + 1;
}
else { //equal
break;
}
}
while(mid > 0 && _lineinfos[mid]._op >= op) mid--;
line = _lineinfos[mid]._line;
return line;
}
SQClosure::~SQClosure()
{
__ObjRelease(_root);
__ObjRelease(_env);
__ObjRelease(_base);
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this);
}
#define _CHECK_IO(exp) { if(!exp)return false; }
bool SafeWrite(HSQUIRRELVM v,SQWRITEFUNC write,SQUserPointer up,SQUserPointer dest,SQInteger size)
{
if(write(up,dest,size) != size) {
v->Raise_Error(_SC("io error (write function failure)"));
return false;
}
return true;
}
bool SafeRead(HSQUIRRELVM v,SQREADFUNC read,SQUserPointer up,SQUserPointer dest,SQInteger size)
{
if(size && read(up,dest,size) != size) {
v->Raise_Error(_SC("io error, read function failure, the origin stream could be corrupted/trucated"));
return false;
}
return true;
}
bool WriteTag(HSQUIRRELVM v,SQWRITEFUNC write,SQUserPointer up,SQUnsignedInteger32 tag)
{
return SafeWrite(v,write,up,&tag,sizeof(tag));
}
bool CheckTag(HSQUIRRELVM v,SQREADFUNC read,SQUserPointer up,SQUnsignedInteger32 tag)
{
SQUnsignedInteger32 t;
_CHECK_IO(SafeRead(v,read,up,&t,sizeof(t)));
if(t != tag){
v->Raise_Error(_SC("invalid or corrupted closure stream"));
return false;
}
return true;
}
bool WriteObject(HSQUIRRELVM v,SQUserPointer up,SQWRITEFUNC write,SQObjectPtr &o)
{
SQUnsignedInteger32 _type = (SQUnsignedInteger32)sq_type(o);
_CHECK_IO(SafeWrite(v,write,up,&_type,sizeof(_type)));
switch(sq_type(o)){
case OT_STRING:
_CHECK_IO(SafeWrite(v,write,up,&_string(o)->_len,sizeof(SQInteger)));
_CHECK_IO(SafeWrite(v,write,up,_stringval(o),sq_rsl(_string(o)->_len)));
break;
case OT_BOOL:
case OT_INTEGER:
_CHECK_IO(SafeWrite(v,write,up,&_integer(o),sizeof(SQInteger)));break;
case OT_FLOAT:
_CHECK_IO(SafeWrite(v,write,up,&_float(o),sizeof(SQFloat)));break;
case OT_NULL:
break;
default:
v->Raise_Error(_SC("cannot serialize a %s"),GetTypeName(o));
return false;
}
return true;
}
bool ReadObject(HSQUIRRELVM v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &o)
{
SQUnsignedInteger32 _type;
_CHECK_IO(SafeRead(v,read,up,&_type,sizeof(_type)));
SQObjectType t = (SQObjectType)_type;
switch(t){
case OT_STRING:{
SQInteger len;
_CHECK_IO(SafeRead(v,read,up,&len,sizeof(SQInteger)));
_CHECK_IO(SafeRead(v,read,up,_ss(v)->GetScratchPad(sq_rsl(len)),sq_rsl(len)));
o=SQString::Create(_ss(v),_ss(v)->GetScratchPad(-1),len);
}
break;
case OT_INTEGER:{
SQInteger i;
_CHECK_IO(SafeRead(v,read,up,&i,sizeof(SQInteger))); o = i; break;
}
case OT_BOOL:{
SQInteger i;
_CHECK_IO(SafeRead(v,read,up,&i,sizeof(SQInteger))); o._type = OT_BOOL; o._unVal.nInteger = i; break;
}
case OT_FLOAT:{
SQFloat f;
_CHECK_IO(SafeRead(v,read,up,&f,sizeof(SQFloat))); o = f; break;
}
case OT_NULL:
o.Null();
break;
default:
v->Raise_Error(_SC("cannot serialize a %s"),IdType2Name(t));
return false;
}
return true;
}
bool SQClosure::Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write)
{
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_HEAD));
_CHECK_IO(WriteTag(v,write,up,sizeof(SQChar)));
_CHECK_IO(WriteTag(v,write,up,sizeof(SQInteger)));
_CHECK_IO(WriteTag(v,write,up,sizeof(SQFloat)));
_CHECK_IO(_function->Save(v,up,write));
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_TAIL));
return true;
}
bool SQClosure::Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret)
{
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_HEAD));
_CHECK_IO(CheckTag(v,read,up,sizeof(SQChar)));
_CHECK_IO(CheckTag(v,read,up,sizeof(SQInteger)));
_CHECK_IO(CheckTag(v,read,up,sizeof(SQFloat)));
SQObjectPtr func;
_CHECK_IO(SQFunctionProto::Load(v,up,read,func));
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_TAIL));
ret = SQClosure::Create(_ss(v),_funcproto(func),_table(v->_roottable)->GetWeakRef(OT_TABLE));
//FIXME: load an root for this closure
return true;
}
SQFunctionProto::SQFunctionProto(SQSharedState *ss)
{
_stacksize=0;
_bgenerator=false;
INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);
}
SQFunctionProto::~SQFunctionProto()
{
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this);
}
bool SQFunctionProto::Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write)
{
SQInteger i,nliterals = _nliterals,nparameters = _nparameters;
SQInteger noutervalues = _noutervalues,nlocalvarinfos = _nlocalvarinfos;
SQInteger nlineinfos=_nlineinfos,ninstructions = _ninstructions,nfunctions=_nfunctions;
SQInteger ndefaultparams = _ndefaultparams;
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(WriteObject(v,up,write,_sourcename));
_CHECK_IO(WriteObject(v,up,write,_name));
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeWrite(v,write,up,&nliterals,sizeof(nliterals)));
_CHECK_IO(SafeWrite(v,write,up,&nparameters,sizeof(nparameters)));
_CHECK_IO(SafeWrite(v,write,up,&noutervalues,sizeof(noutervalues)));
_CHECK_IO(SafeWrite(v,write,up,&nlocalvarinfos,sizeof(nlocalvarinfos)));
_CHECK_IO(SafeWrite(v,write,up,&nlineinfos,sizeof(nlineinfos)));
_CHECK_IO(SafeWrite(v,write,up,&ndefaultparams,sizeof(ndefaultparams)));
_CHECK_IO(SafeWrite(v,write,up,&ninstructions,sizeof(ninstructions)));
_CHECK_IO(SafeWrite(v,write,up,&nfunctions,sizeof(nfunctions)));
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
for(i=0;i<nliterals;i++){
_CHECK_IO(WriteObject(v,up,write,_literals[i]));
}
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
for(i=0;i<nparameters;i++){
_CHECK_IO(WriteObject(v,up,write,_parameters[i]));
}
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
for(i=0;i<noutervalues;i++){
_CHECK_IO(SafeWrite(v,write,up,&_outervalues[i]._type,sizeof(SQUnsignedInteger)));
_CHECK_IO(WriteObject(v,up,write,_outervalues[i]._src));
_CHECK_IO(WriteObject(v,up,write,_outervalues[i]._name));
}
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
for(i=0;i<nlocalvarinfos;i++){
SQLocalVarInfo &lvi=_localvarinfos[i];
_CHECK_IO(WriteObject(v,up,write,lvi._name));
_CHECK_IO(SafeWrite(v,write,up,&lvi._pos,sizeof(SQUnsignedInteger)));
_CHECK_IO(SafeWrite(v,write,up,&lvi._start_op,sizeof(SQUnsignedInteger)));
_CHECK_IO(SafeWrite(v,write,up,&lvi._end_op,sizeof(SQUnsignedInteger)));
}
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeWrite(v,write,up,_lineinfos,sizeof(SQLineInfo)*nlineinfos));
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeWrite(v,write,up,_defaultparams,sizeof(SQInteger)*ndefaultparams));
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeWrite(v,write,up,_instructions,sizeof(SQInstruction)*ninstructions));
_CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART));
for(i=0;i<nfunctions;i++){
_CHECK_IO(_funcproto(_functions[i])->Save(v,up,write));
}
_CHECK_IO(SafeWrite(v,write,up,&_stacksize,sizeof(_stacksize)));
_CHECK_IO(SafeWrite(v,write,up,&_bgenerator,sizeof(_bgenerator)));
_CHECK_IO(SafeWrite(v,write,up,&_varparams,sizeof(_varparams)));
return true;
}
bool SQFunctionProto::Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret)
{
SQInteger i, nliterals,nparameters;
SQInteger noutervalues ,nlocalvarinfos ;
SQInteger nlineinfos,ninstructions ,nfunctions,ndefaultparams ;
SQObjectPtr sourcename, name;
SQObjectPtr o;
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(ReadObject(v, up, read, sourcename));
_CHECK_IO(ReadObject(v, up, read, name));
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeRead(v,read,up, &nliterals, sizeof(nliterals)));
_CHECK_IO(SafeRead(v,read,up, &nparameters, sizeof(nparameters)));
_CHECK_IO(SafeRead(v,read,up, &noutervalues, sizeof(noutervalues)));
_CHECK_IO(SafeRead(v,read,up, &nlocalvarinfos, sizeof(nlocalvarinfos)));
_CHECK_IO(SafeRead(v,read,up, &nlineinfos, sizeof(nlineinfos)));
_CHECK_IO(SafeRead(v,read,up, &ndefaultparams, sizeof(ndefaultparams)));
_CHECK_IO(SafeRead(v,read,up, &ninstructions, sizeof(ninstructions)));
_CHECK_IO(SafeRead(v,read,up, &nfunctions, sizeof(nfunctions)));
SQFunctionProto *f = SQFunctionProto::Create(_opt_ss(v),ninstructions,nliterals,nparameters,
nfunctions,noutervalues,nlineinfos,nlocalvarinfos,ndefaultparams);
SQObjectPtr proto = f; //gets a ref in case of failure
f->_sourcename = sourcename;
f->_name = name;
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
for(i = 0;i < nliterals; i++){
_CHECK_IO(ReadObject(v, up, read, o));
f->_literals[i] = o;
}
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
for(i = 0; i < nparameters; i++){
_CHECK_IO(ReadObject(v, up, read, o));
f->_parameters[i] = o;
}
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
for(i = 0; i < noutervalues; i++){
SQUnsignedInteger type;
SQObjectPtr name;
_CHECK_IO(SafeRead(v,read,up, &type, sizeof(SQUnsignedInteger)));
_CHECK_IO(ReadObject(v, up, read, o));
_CHECK_IO(ReadObject(v, up, read, name));
f->_outervalues[i] = SQOuterVar(name,o, (SQOuterType)type);
}
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
for(i = 0; i < nlocalvarinfos; i++){
SQLocalVarInfo lvi;
_CHECK_IO(ReadObject(v, up, read, lvi._name));
_CHECK_IO(SafeRead(v,read,up, &lvi._pos, sizeof(SQUnsignedInteger)));
_CHECK_IO(SafeRead(v,read,up, &lvi._start_op, sizeof(SQUnsignedInteger)));
_CHECK_IO(SafeRead(v,read,up, &lvi._end_op, sizeof(SQUnsignedInteger)));
f->_localvarinfos[i] = lvi;
}
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeRead(v,read,up, f->_lineinfos, sizeof(SQLineInfo)*nlineinfos));
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeRead(v,read,up, f->_defaultparams, sizeof(SQInteger)*ndefaultparams));
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
_CHECK_IO(SafeRead(v,read,up, f->_instructions, sizeof(SQInstruction)*ninstructions));
_CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART));
for(i = 0; i < nfunctions; i++){
_CHECK_IO(_funcproto(o)->Load(v, up, read, o));
f->_functions[i] = o;
}
_CHECK_IO(SafeRead(v,read,up, &f->_stacksize, sizeof(f->_stacksize)));
_CHECK_IO(SafeRead(v,read,up, &f->_bgenerator, sizeof(f->_bgenerator)));
_CHECK_IO(SafeRead(v,read,up, &f->_varparams, sizeof(f->_varparams)));
ret = f;
return true;
}
#ifndef NO_GARBAGE_COLLECTOR
#define START_MARK() if(!(_uiRef&MARK_FLAG)){ \
_uiRef|=MARK_FLAG;
#define END_MARK() RemoveFromChain(&_sharedstate->_gc_chain, this); \
AddToChain(chain, this); }
void SQVM::Mark(SQCollectable **chain)
{
START_MARK()
SQSharedState::MarkObject(_lasterror,chain);
SQSharedState::MarkObject(_errorhandler,chain);
SQSharedState::MarkObject(_debughook_closure,chain);
SQSharedState::MarkObject(_roottable, chain);
SQSharedState::MarkObject(temp_reg, chain);
for(SQUnsignedInteger i = 0; i < _stack.size(); i++) SQSharedState::MarkObject(_stack[i], chain);
for(SQInteger k = 0; k < _callsstacksize; k++) SQSharedState::MarkObject(_callsstack[k]._closure, chain);
END_MARK()
}
void SQArray::Mark(SQCollectable **chain)
{
START_MARK()
SQInteger len = _values.size();
for(SQInteger i = 0;i < len; i++) SQSharedState::MarkObject(_values[i], chain);
END_MARK()
}
void SQTable::Mark(SQCollectable **chain)
{
START_MARK()
if(_delegate) _delegate->Mark(chain);
SQInteger len = _numofnodes;
for(SQInteger i = 0; i < len; i++){
SQSharedState::MarkObject(_nodes[i].key, chain);
SQSharedState::MarkObject(_nodes[i].val, chain);
}
END_MARK()
}
void SQClass::Mark(SQCollectable **chain)
{
START_MARK()
_members->Mark(chain);
if(_base) _base->Mark(chain);
SQSharedState::MarkObject(_attributes, chain);
for(SQUnsignedInteger i =0; i< _defaultvalues.size(); i++) {
SQSharedState::MarkObject(_defaultvalues[i].val, chain);
SQSharedState::MarkObject(_defaultvalues[i].attrs, chain);
}
for(SQUnsignedInteger j =0; j< _methods.size(); j++) {
SQSharedState::MarkObject(_methods[j].val, chain);
SQSharedState::MarkObject(_methods[j].attrs, chain);
}
for(SQUnsignedInteger k =0; k< MT_LAST; k++) {
SQSharedState::MarkObject(_metamethods[k], chain);
}
END_MARK()
}
void SQInstance::Mark(SQCollectable **chain)
{
START_MARK()
_class->Mark(chain);
SQUnsignedInteger nvalues = _class->_defaultvalues.size();
for(SQUnsignedInteger i =0; i< nvalues; i++) {
SQSharedState::MarkObject(_values[i], chain);
}
END_MARK()
}
void SQGenerator::Mark(SQCollectable **chain)
{
START_MARK()
for(SQUnsignedInteger i = 0; i < _stack.size(); i++) SQSharedState::MarkObject(_stack[i], chain);
SQSharedState::MarkObject(_closure, chain);
END_MARK()
}
void SQFunctionProto::Mark(SQCollectable **chain)
{
START_MARK()
for(SQInteger i = 0; i < _nliterals; i++) SQSharedState::MarkObject(_literals[i], chain);
for(SQInteger k = 0; k < _nfunctions; k++) SQSharedState::MarkObject(_functions[k], chain);
END_MARK()
}
void SQClosure::Mark(SQCollectable **chain)
{
START_MARK()
if(_base) _base->Mark(chain);
SQFunctionProto *fp = _function;
fp->Mark(chain);
for(SQInteger i = 0; i < fp->_noutervalues; i++) SQSharedState::MarkObject(_outervalues[i], chain);
for(SQInteger k = 0; k < fp->_ndefaultparams; k++) SQSharedState::MarkObject(_defaultparams[k], chain);
END_MARK()
}
void SQNativeClosure::Mark(SQCollectable **chain)
{
START_MARK()
for(SQUnsignedInteger i = 0; i < _noutervalues; i++) SQSharedState::MarkObject(_outervalues[i], chain);
END_MARK()
}
void SQOuter::Mark(SQCollectable **chain)
{
START_MARK()
/* If the valptr points to a closed value, that value is alive */
if(_valptr == &_value) {
SQSharedState::MarkObject(_value, chain);
}
END_MARK()
}
void SQUserData::Mark(SQCollectable **chain){
START_MARK()
if(_delegate) _delegate->Mark(chain);
END_MARK()
}
void SQCollectable::UnMark() { _uiRef&=~MARK_FLAG; }
#endif

353
squirrel/sqobject.h
View File

@ -1,353 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQOBJECT_H_
#define _SQOBJECT_H_
#include "squtils.h"
#ifdef _SQ64
#define UINT_MINUS_ONE (0xFFFFFFFFFFFFFFFF)
#else
#define UINT_MINUS_ONE (0xFFFFFFFF)
#endif
#define SQ_CLOSURESTREAM_HEAD (('S'<<24)|('Q'<<16)|('I'<<8)|('R'))
#define SQ_CLOSURESTREAM_PART (('P'<<24)|('A'<<16)|('R'<<8)|('T'))
#define SQ_CLOSURESTREAM_TAIL (('T'<<24)|('A'<<16)|('I'<<8)|('L'))
struct SQSharedState;
enum SQMetaMethod{
MT_ADD=0,
MT_SUB=1,
MT_MUL=2,
MT_DIV=3,
MT_UNM=4,
MT_MODULO=5,
MT_SET=6,
MT_GET=7,
MT_TYPEOF=8,
MT_NEXTI=9,
MT_CMP=10,
MT_CALL=11,
MT_CLONED=12,
MT_NEWSLOT=13,
MT_DELSLOT=14,
MT_TOSTRING=15,
MT_NEWMEMBER=16,
MT_INHERITED=17,
MT_LAST = 18
};
#define MM_ADD _SC("_add")
#define MM_SUB _SC("_sub")
#define MM_MUL _SC("_mul")
#define MM_DIV _SC("_div")
#define MM_UNM _SC("_unm")
#define MM_MODULO _SC("_modulo")
#define MM_SET _SC("_set")
#define MM_GET _SC("_get")
#define MM_TYPEOF _SC("_typeof")
#define MM_NEXTI _SC("_nexti")
#define MM_CMP _SC("_cmp")
#define MM_CALL _SC("_call")
#define MM_CLONED _SC("_cloned")
#define MM_NEWSLOT _SC("_newslot")
#define MM_DELSLOT _SC("_delslot")
#define MM_TOSTRING _SC("_tostring")
#define MM_NEWMEMBER _SC("_newmember")
#define MM_INHERITED _SC("_inherited")
#define _CONSTRUCT_VECTOR(type,size,ptr) { \
for(SQInteger n = 0; n < ((SQInteger)size); n++) { \
new (&ptr[n]) type(); \
} \
}
#define _DESTRUCT_VECTOR(type,size,ptr) { \
for(SQInteger nl = 0; nl < ((SQInteger)size); nl++) { \
ptr[nl].~type(); \
} \
}
#define _COPY_VECTOR(dest,src,size) { \
for(SQInteger _n_ = 0; _n_ < ((SQInteger)size); _n_++) { \
dest[_n_] = src[_n_]; \
} \
}
#define _NULL_SQOBJECT_VECTOR(vec,size) { \
for(SQInteger _n_ = 0; _n_ < ((SQInteger)size); _n_++) { \
vec[_n_].Null(); \
} \
}
#define MINPOWER2 4
struct SQRefCounted
{
SQUnsignedInteger _uiRef;
struct SQWeakRef *_weakref;
SQRefCounted() { _uiRef = 0; _weakref = NULL; }
virtual ~SQRefCounted();
SQWeakRef *GetWeakRef(SQObjectType type);
virtual void Release()=0;
};
struct SQWeakRef : SQRefCounted
{
void Release();
SQObject _obj;
};
#define _realval(o) (sq_type((o)) != OT_WEAKREF?(SQObject)o:_weakref(o)->_obj)
struct SQObjectPtr;
#define __AddRef(type,unval) if(ISREFCOUNTED(type)) \
{ \
unval.pRefCounted->_uiRef++; \
}
#define __Release(type,unval) if(ISREFCOUNTED(type) && ((--unval.pRefCounted->_uiRef)==0)) \
{ \
unval.pRefCounted->Release(); \
}
#define __ObjRelease(obj) { \
if((obj)) { \
(obj)->_uiRef--; \
if((obj)->_uiRef == 0) \
(obj)->Release(); \
(obj) = NULL; \
} \
}
#define __ObjAddRef(obj) { \
(obj)->_uiRef++; \
}
#define is_delegable(t) (sq_type(t)&SQOBJECT_DELEGABLE)
#define raw_type(obj) _RAW_TYPE((obj)._type)
#define _integer(obj) ((obj)._unVal.nInteger)
#define _float(obj) ((obj)._unVal.fFloat)
#define _string(obj) ((obj)._unVal.pString)
#define _table(obj) ((obj)._unVal.pTable)
#define _array(obj) ((obj)._unVal.pArray)
#define _closure(obj) ((obj)._unVal.pClosure)
#define _generator(obj) ((obj)._unVal.pGenerator)
#define _nativeclosure(obj) ((obj)._unVal.pNativeClosure)
#define _userdata(obj) ((obj)._unVal.pUserData)
#define _userpointer(obj) ((obj)._unVal.pUserPointer)
#define _thread(obj) ((obj)._unVal.pThread)
#define _funcproto(obj) ((obj)._unVal.pFunctionProto)
#define _class(obj) ((obj)._unVal.pClass)
#define _instance(obj) ((obj)._unVal.pInstance)
#define _delegable(obj) ((SQDelegable *)(obj)._unVal.pDelegable)
#define _weakref(obj) ((obj)._unVal.pWeakRef)
#define _outer(obj) ((obj)._unVal.pOuter)
#define _refcounted(obj) ((obj)._unVal.pRefCounted)
#define _rawval(obj) ((obj)._unVal.raw)
#define _stringval(obj) (obj)._unVal.pString->_val
#define _userdataval(obj) ((SQUserPointer)sq_aligning((obj)._unVal.pUserData + 1))
#define tofloat(num) ((sq_type(num)==OT_INTEGER)?(SQFloat)_integer(num):_float(num))
#define tointeger(num) ((sq_type(num)==OT_FLOAT)?(SQInteger)_float(num):_integer(num))
/////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////
#if defined(SQUSEDOUBLE) && !defined(_SQ64) || !defined(SQUSEDOUBLE) && defined(_SQ64)
#define SQ_REFOBJECT_INIT() SQ_OBJECT_RAWINIT()
#else
#define SQ_REFOBJECT_INIT()
#endif
#define _REF_TYPE_DECL(type,_class,sym) \
SQObjectPtr(_class * x) \
{ \
SQ_OBJECT_RAWINIT() \
_type=type; \
_unVal.sym = x; \
assert(_unVal.pTable); \
_unVal.pRefCounted->_uiRef++; \
} \
inline SQObjectPtr& operator=(_class *x) \
{ \
SQObjectType tOldType; \
SQObjectValue unOldVal; \
tOldType=_type; \
unOldVal=_unVal; \
_type = type; \
SQ_REFOBJECT_INIT() \
_unVal.sym = x; \
_unVal.pRefCounted->_uiRef++; \
__Release(tOldType,unOldVal); \
return *this; \
}
#define _SCALAR_TYPE_DECL(type,_class,sym) \
SQObjectPtr(_class x) \
{ \
SQ_OBJECT_RAWINIT() \
_type=type; \
_unVal.sym = x; \
} \
inline SQObjectPtr& operator=(_class x) \
{ \
__Release(_type,_unVal); \
_type = type; \
SQ_OBJECT_RAWINIT() \
_unVal.sym = x; \
return *this; \
}
struct SQObjectPtr : public SQObject
{
SQObjectPtr()
{
SQ_OBJECT_RAWINIT()
_type=OT_NULL;
_unVal.pUserPointer=NULL;
}
SQObjectPtr(const SQObjectPtr &o)
{
_type = o._type;
_unVal = o._unVal;
__AddRef(_type,_unVal);
}
SQObjectPtr(const SQObject &o)
{
_type = o._type;
_unVal = o._unVal;
__AddRef(_type,_unVal);
}
_REF_TYPE_DECL(OT_TABLE,SQTable,pTable)
_REF_TYPE_DECL(OT_CLASS,SQClass,pClass)
_REF_TYPE_DECL(OT_INSTANCE,SQInstance,pInstance)
_REF_TYPE_DECL(OT_ARRAY,SQArray,pArray)
_REF_TYPE_DECL(OT_CLOSURE,SQClosure,pClosure)
_REF_TYPE_DECL(OT_NATIVECLOSURE,SQNativeClosure,pNativeClosure)
_REF_TYPE_DECL(OT_OUTER,SQOuter,pOuter)
_REF_TYPE_DECL(OT_GENERATOR,SQGenerator,pGenerator)
_REF_TYPE_DECL(OT_STRING,SQString,pString)
_REF_TYPE_DECL(OT_USERDATA,SQUserData,pUserData)
_REF_TYPE_DECL(OT_WEAKREF,SQWeakRef,pWeakRef)
_REF_TYPE_DECL(OT_THREAD,SQVM,pThread)
_REF_TYPE_DECL(OT_FUNCPROTO,SQFunctionProto,pFunctionProto)
_SCALAR_TYPE_DECL(OT_INTEGER,SQInteger,nInteger)
_SCALAR_TYPE_DECL(OT_FLOAT,SQFloat,fFloat)
_SCALAR_TYPE_DECL(OT_USERPOINTER,SQUserPointer,pUserPointer)
SQObjectPtr(bool bBool)
{
SQ_OBJECT_RAWINIT()
_type = OT_BOOL;
_unVal.nInteger = bBool?1:0;
}
inline SQObjectPtr& operator=(bool b)
{
__Release(_type,_unVal);
SQ_OBJECT_RAWINIT()
_type = OT_BOOL;
_unVal.nInteger = b?1:0;
return *this;
}
~SQObjectPtr()
{
__Release(_type,_unVal);
}
inline SQObjectPtr& operator=(const SQObjectPtr& obj)
{
SQObjectType tOldType;
SQObjectValue unOldVal;
tOldType=_type;
unOldVal=_unVal;
_unVal = obj._unVal;
_type = obj._type;
__AddRef(_type,_unVal);
__Release(tOldType,unOldVal);
return *this;
}
inline SQObjectPtr& operator=(const SQObject& obj)
{
SQObjectType tOldType;
SQObjectValue unOldVal;
tOldType=_type;
unOldVal=_unVal;
_unVal = obj._unVal;
_type = obj._type;
__AddRef(_type,_unVal);
__Release(tOldType,unOldVal);
return *this;
}
inline void Null()
{
SQObjectType tOldType = _type;
SQObjectValue unOldVal = _unVal;
_type = OT_NULL;
_unVal.raw = (SQRawObjectVal)NULL;
__Release(tOldType ,unOldVal);
}
private:
SQObjectPtr(const SQChar *){} //safety
};
inline void _Swap(SQObject &a,SQObject &b)
{
SQObjectType tOldType = a._type;
SQObjectValue unOldVal = a._unVal;
a._type = b._type;
a._unVal = b._unVal;
b._type = tOldType;
b._unVal = unOldVal;
}
/////////////////////////////////////////////////////////////////////////////////////
#ifndef NO_GARBAGE_COLLECTOR
#define MARK_FLAG 0x80000000
struct SQCollectable : public SQRefCounted {
SQCollectable *_next;
SQCollectable *_prev;
SQSharedState *_sharedstate;
virtual SQObjectType GetType()=0;
virtual void Release()=0;
virtual void Mark(SQCollectable **chain)=0;
void UnMark();
virtual void Finalize()=0;
static void AddToChain(SQCollectable **chain,SQCollectable *c);
static void RemoveFromChain(SQCollectable **chain,SQCollectable *c);
};
#define ADD_TO_CHAIN(chain,obj) AddToChain(chain,obj)
#define REMOVE_FROM_CHAIN(chain,obj) {if(!(_uiRef&MARK_FLAG))RemoveFromChain(chain,obj);}
#define CHAINABLE_OBJ SQCollectable
#define INIT_CHAIN() {_next=NULL;_prev=NULL;_sharedstate=ss;}
#else
#define ADD_TO_CHAIN(chain,obj) ((void)0)
#define REMOVE_FROM_CHAIN(chain,obj) ((void)0)
#define CHAINABLE_OBJ SQRefCounted
#define INIT_CHAIN() ((void)0)
#endif
struct SQDelegable : public CHAINABLE_OBJ {
bool SetDelegate(SQTable *m);
virtual bool GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res);
SQTable *_delegate;
};
SQUnsignedInteger TranslateIndex(const SQObjectPtr &idx);
typedef sqvector<SQObjectPtr> SQObjectPtrVec;
typedef sqvector<SQInteger> SQIntVec;
const SQChar *GetTypeName(const SQObjectPtr &obj1);
const SQChar *IdType2Name(SQObjectType type);
#endif //_SQOBJECT_H_

132
squirrel/sqopcodes.h
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@ -1,132 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQOPCODES_H_
#define _SQOPCODES_H_
#define MAX_FUNC_STACKSIZE 0xFF
#define MAX_LITERALS ((SQInteger)0x7FFFFFFF)
enum BitWiseOP {
BW_AND = 0,
BW_OR = 2,
BW_XOR = 3,
BW_SHIFTL = 4,
BW_SHIFTR = 5,
BW_USHIFTR = 6
};
enum CmpOP {
CMP_G = 0,
CMP_GE = 2,
CMP_L = 3,
CMP_LE = 4,
CMP_3W = 5
};
enum NewObjectType {
NOT_TABLE = 0,
NOT_ARRAY = 1,
NOT_CLASS = 2
};
enum AppendArrayType {
AAT_STACK = 0,
AAT_LITERAL = 1,
AAT_INT = 2,
AAT_FLOAT = 3,
AAT_BOOL = 4
};
enum SQOpcode
{
_OP_LINE= 0x00,
_OP_LOAD= 0x01,
_OP_LOADINT= 0x02,
_OP_LOADFLOAT= 0x03,
_OP_DLOAD= 0x04,
_OP_TAILCALL= 0x05,
_OP_CALL= 0x06,
_OP_PREPCALL= 0x07,
_OP_PREPCALLK= 0x08,
_OP_GETK= 0x09,
_OP_MOVE= 0x0A,
_OP_NEWSLOT= 0x0B,
_OP_DELETE= 0x0C,
_OP_SET= 0x0D,
_OP_GET= 0x0E,
_OP_EQ= 0x0F,
_OP_NE= 0x10,
_OP_ADD= 0x11,
_OP_SUB= 0x12,
_OP_MUL= 0x13,
_OP_DIV= 0x14,
_OP_MOD= 0x15,
_OP_BITW= 0x16,
_OP_RETURN= 0x17,
_OP_LOADNULLS= 0x18,
_OP_LOADROOT= 0x19,
_OP_LOADBOOL= 0x1A,
_OP_DMOVE= 0x1B,
_OP_JMP= 0x1C,
//_OP_JNZ= 0x1D,
_OP_JCMP= 0x1D,
_OP_JZ= 0x1E,
_OP_SETOUTER= 0x1F,
_OP_GETOUTER= 0x20,
_OP_NEWOBJ= 0x21,
_OP_APPENDARRAY= 0x22,
_OP_COMPARITH= 0x23,
_OP_INC= 0x24,
_OP_INCL= 0x25,
_OP_PINC= 0x26,
_OP_PINCL= 0x27,
_OP_CMP= 0x28,
_OP_EXISTS= 0x29,
_OP_INSTANCEOF= 0x2A,
_OP_AND= 0x2B,
_OP_OR= 0x2C,
_OP_NEG= 0x2D,
_OP_NOT= 0x2E,
_OP_BWNOT= 0x2F,
_OP_CLOSURE= 0x30,
_OP_YIELD= 0x31,
_OP_RESUME= 0x32,
_OP_FOREACH= 0x33,
_OP_POSTFOREACH= 0x34,
_OP_CLONE= 0x35,
_OP_TYPEOF= 0x36,
_OP_PUSHTRAP= 0x37,
_OP_POPTRAP= 0x38,
_OP_THROW= 0x39,
_OP_NEWSLOTA= 0x3A,
_OP_GETBASE= 0x3B,
_OP_CLOSE= 0x3C
};
struct SQInstructionDesc {
const SQChar *name;
};
struct SQInstruction
{
SQInstruction(){};
SQInstruction(SQOpcode _op,SQInteger a0=0,SQInteger a1=0,SQInteger a2=0,SQInteger a3=0)
{ op = (unsigned char)_op;
_arg0 = (unsigned char)a0;_arg1 = (SQInt32)a1;
_arg2 = (unsigned char)a2;_arg3 = (unsigned char)a3;
}
SQInt32 _arg1;
unsigned char op;
unsigned char _arg0;
unsigned char _arg2;
unsigned char _arg3;
};
#include "squtils.h"
typedef sqvector<SQInstruction> SQInstructionVec;
#define NEW_SLOT_ATTRIBUTES_FLAG 0x01
#define NEW_SLOT_STATIC_FLAG 0x02
#endif // _SQOPCODES_H_

20
squirrel/sqpcheader.h
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@ -1,20 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQPCHEADER_H_
#define _SQPCHEADER_H_
#if defined(_MSC_VER) && defined(_DEBUG)
#include <crtdbg.h>
#endif
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <new>
//squirrel stuff
#include <squirrel.h>
#include "sqobject.h"
#include "sqstate.h"
#endif //_SQPCHEADER_H_

647
squirrel/sqstate.cpp
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/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include "sqopcodes.h"
#include "sqvm.h"
#include "sqfuncproto.h"
#include "sqclosure.h"
#include "sqstring.h"
#include "sqtable.h"
#include "sqarray.h"
#include "squserdata.h"
#include "sqclass.h"
SQSharedState::SQSharedState()
{
_compilererrorhandler = NULL;
_printfunc = NULL;
_errorfunc = NULL;
_debuginfo = false;
_notifyallexceptions = false;
_foreignptr = NULL;
_releasehook = NULL;
}
#define newsysstring(s) { \
_systemstrings->push_back(SQString::Create(this,s)); \
}
#define newmetamethod(s) { \
_metamethods->push_back(SQString::Create(this,s)); \
_table(_metamethodsmap)->NewSlot(_metamethods->back(),(SQInteger)(_metamethods->size()-1)); \
}
bool CompileTypemask(SQIntVec &res,const SQChar *typemask)
{
SQInteger i = 0;
SQInteger mask = 0;
while(typemask[i] != 0) {
switch(typemask[i]) {
case 'o': mask |= _RT_NULL; break;
case 'i': mask |= _RT_INTEGER; break;
case 'f': mask |= _RT_FLOAT; break;
case 'n': mask |= (_RT_FLOAT | _RT_INTEGER); break;
case 's': mask |= _RT_STRING; break;
case 't': mask |= _RT_TABLE; break;
case 'a': mask |= _RT_ARRAY; break;
case 'u': mask |= _RT_USERDATA; break;
case 'c': mask |= (_RT_CLOSURE | _RT_NATIVECLOSURE); break;
case 'b': mask |= _RT_BOOL; break;
case 'g': mask |= _RT_GENERATOR; break;
case 'p': mask |= _RT_USERPOINTER; break;
case 'v': mask |= _RT_THREAD; break;
case 'x': mask |= _RT_INSTANCE; break;
case 'y': mask |= _RT_CLASS; break;
case 'r': mask |= _RT_WEAKREF; break;
case '.': mask = -1; res.push_back(mask); i++; mask = 0; continue;
case ' ': i++; continue; //ignores spaces
default:
return false;
}
i++;
if(typemask[i] == '|') {
i++;
if(typemask[i] == 0)
return false;
continue;
}
res.push_back(mask);
mask = 0;
}
return true;
}
SQTable *CreateDefaultDelegate(SQSharedState *ss,const SQRegFunction *funcz)
{
SQInteger i=0;
SQTable *t=SQTable::Create(ss,0);
while(funcz[i].name!=0){
SQNativeClosure *nc = SQNativeClosure::Create(ss,funcz[i].f,0);
nc->_nparamscheck = funcz[i].nparamscheck;
nc->_name = SQString::Create(ss,funcz[i].name);
if(funcz[i].typemask && !CompileTypemask(nc->_typecheck,funcz[i].typemask))
return NULL;
t->NewSlot(SQString::Create(ss,funcz[i].name),nc);
i++;
}
return t;
}
void SQSharedState::Init()
{
_scratchpad=NULL;
_scratchpadsize=0;
#ifndef NO_GARBAGE_COLLECTOR
_gc_chain=NULL;
#endif
_stringtable = (SQStringTable*)SQ_MALLOC(sizeof(SQStringTable));
new (_stringtable) SQStringTable(this);
sq_new(_metamethods,SQObjectPtrVec);
sq_new(_systemstrings,SQObjectPtrVec);
sq_new(_types,SQObjectPtrVec);
_metamethodsmap = SQTable::Create(this,MT_LAST-1);
//adding type strings to avoid memory trashing
//types names
newsysstring(_SC("null"));
newsysstring(_SC("table"));
newsysstring(_SC("array"));
newsysstring(_SC("closure"));
newsysstring(_SC("string"));
newsysstring(_SC("userdata"));
newsysstring(_SC("integer"));
newsysstring(_SC("float"));
newsysstring(_SC("userpointer"));
newsysstring(_SC("function"));
newsysstring(_SC("generator"));
newsysstring(_SC("thread"));
newsysstring(_SC("class"));
newsysstring(_SC("instance"));
newsysstring(_SC("bool"));
//meta methods
newmetamethod(MM_ADD);
newmetamethod(MM_SUB);
newmetamethod(MM_MUL);
newmetamethod(MM_DIV);
newmetamethod(MM_UNM);
newmetamethod(MM_MODULO);
newmetamethod(MM_SET);
newmetamethod(MM_GET);
newmetamethod(MM_TYPEOF);
newmetamethod(MM_NEXTI);
newmetamethod(MM_CMP);
newmetamethod(MM_CALL);
newmetamethod(MM_CLONED);
newmetamethod(MM_NEWSLOT);
newmetamethod(MM_DELSLOT);
newmetamethod(MM_TOSTRING);
newmetamethod(MM_NEWMEMBER);
newmetamethod(MM_INHERITED);
_constructoridx = SQString::Create(this,_SC("constructor"));
_registry = SQTable::Create(this,0);
_consts = SQTable::Create(this,0);
_table_default_delegate = CreateDefaultDelegate(this,_table_default_delegate_funcz);
_array_default_delegate = CreateDefaultDelegate(this,_array_default_delegate_funcz);
_string_default_delegate = CreateDefaultDelegate(this,_string_default_delegate_funcz);
_number_default_delegate = CreateDefaultDelegate(this,_number_default_delegate_funcz);
_closure_default_delegate = CreateDefaultDelegate(this,_closure_default_delegate_funcz);
_generator_default_delegate = CreateDefaultDelegate(this,_generator_default_delegate_funcz);
_thread_default_delegate = CreateDefaultDelegate(this,_thread_default_delegate_funcz);
_class_default_delegate = CreateDefaultDelegate(this,_class_default_delegate_funcz);
_instance_default_delegate = CreateDefaultDelegate(this,_instance_default_delegate_funcz);
_weakref_default_delegate = CreateDefaultDelegate(this,_weakref_default_delegate_funcz);
}
SQSharedState::~SQSharedState()
{
if(_releasehook) { _releasehook(_foreignptr,0); _releasehook = NULL; }
_constructoridx.Null();
_table(_registry)->Finalize();
_table(_consts)->Finalize();
_table(_metamethodsmap)->Finalize();
_registry.Null();
_consts.Null();
_metamethodsmap.Null();
while(!_systemstrings->empty()) {
_systemstrings->back().Null();
_systemstrings->pop_back();
}
_thread(_root_vm)->Finalize();
_root_vm.Null();
_table_default_delegate.Null();
_array_default_delegate.Null();
_string_default_delegate.Null();
_number_default_delegate.Null();
_closure_default_delegate.Null();
_generator_default_delegate.Null();
_thread_default_delegate.Null();
_class_default_delegate.Null();
_instance_default_delegate.Null();
_weakref_default_delegate.Null();
_refs_table.Finalize();
#ifndef NO_GARBAGE_COLLECTOR
SQCollectable *t = _gc_chain;
SQCollectable *nx = NULL;
if(t) {
t->_uiRef++;
while(t) {
t->Finalize();
nx = t->_next;
if(nx) nx->_uiRef++;
if(--t->_uiRef == 0)
t->Release();
t = nx;
}
}
assert(_gc_chain==NULL); //just to proove a theory
while(_gc_chain){
_gc_chain->_uiRef++;
_gc_chain->Release();
}
#endif
sq_delete(_types,SQObjectPtrVec);
sq_delete(_systemstrings,SQObjectPtrVec);
sq_delete(_metamethods,SQObjectPtrVec);
sq_delete(_stringtable,SQStringTable);
if(_scratchpad)SQ_FREE(_scratchpad,_scratchpadsize);
}
SQInteger SQSharedState::GetMetaMethodIdxByName(const SQObjectPtr &name)
{
if(sq_type(name) != OT_STRING)
return -1;
SQObjectPtr ret;
if(_table(_metamethodsmap)->Get(name,ret)) {
return _integer(ret);
}
return -1;
}
#ifndef NO_GARBAGE_COLLECTOR
void SQSharedState::MarkObject(SQObjectPtr &o,SQCollectable **chain)
{
switch(sq_type(o)){
case OT_TABLE:_table(o)->Mark(chain);break;
case OT_ARRAY:_array(o)->Mark(chain);break;
case OT_USERDATA:_userdata(o)->Mark(chain);break;
case OT_CLOSURE:_closure(o)->Mark(chain);break;
case OT_NATIVECLOSURE:_nativeclosure(o)->Mark(chain);break;
case OT_GENERATOR:_generator(o)->Mark(chain);break;
case OT_THREAD:_thread(o)->Mark(chain);break;
case OT_CLASS:_class(o)->Mark(chain);break;
case OT_INSTANCE:_instance(o)->Mark(chain);break;
case OT_OUTER:_outer(o)->Mark(chain);break;
case OT_FUNCPROTO:_funcproto(o)->Mark(chain);break;
default: break; //shutup compiler
}
}
void SQSharedState::RunMark(SQVM* SQ_UNUSED_ARG(vm),SQCollectable **tchain)
{
SQVM *vms = _thread(_root_vm);
vms->Mark(tchain);
_refs_table.Mark(tchain);
MarkObject(_registry,tchain);
MarkObject(_consts,tchain);
MarkObject(_metamethodsmap,tchain);
MarkObject(_table_default_delegate,tchain);
MarkObject(_array_default_delegate,tchain);
MarkObject(_string_default_delegate,tchain);
MarkObject(_number_default_delegate,tchain);
MarkObject(_generator_default_delegate,tchain);
MarkObject(_thread_default_delegate,tchain);
MarkObject(_closure_default_delegate,tchain);
MarkObject(_class_default_delegate,tchain);
MarkObject(_instance_default_delegate,tchain);
MarkObject(_weakref_default_delegate,tchain);
}
SQInteger SQSharedState::ResurrectUnreachable(SQVM *vm)
{
SQInteger n=0;
SQCollectable *tchain=NULL;
RunMark(vm,&tchain);
SQCollectable *resurrected = _gc_chain;
SQCollectable *t = resurrected;
_gc_chain = tchain;
SQArray *ret = NULL;
if(resurrected) {
ret = SQArray::Create(this,0);
SQCollectable *rlast = NULL;
while(t) {
rlast = t;
SQObjectType type = t->GetType();
if(type != OT_FUNCPROTO && type != OT_OUTER) {
SQObject sqo;
sqo._type = type;
sqo._unVal.pRefCounted = t;
ret->Append(sqo);
}
t = t->_next;
n++;
}
assert(rlast->_next == NULL);
rlast->_next = _gc_chain;
if(_gc_chain)
{
_gc_chain->_prev = rlast;
}
_gc_chain = resurrected;
}
t = _gc_chain;
while(t) {
t->UnMark();
t = t->_next;
}
if(ret) {
SQObjectPtr temp = ret;
vm->Push(temp);
}
else {
vm->PushNull();
}
return n;
}
SQInteger SQSharedState::CollectGarbage(SQVM *vm)
{
SQInteger n = 0;
SQCollectable *tchain = NULL;
RunMark(vm,&tchain);
SQCollectable *t = _gc_chain;
SQCollectable *nx = NULL;
if(t) {
t->_uiRef++;
while(t) {
t->Finalize();
nx = t->_next;
if(nx) nx->_uiRef++;
if(--t->_uiRef == 0)
t->Release();
t = nx;
n++;
}
}
t = tchain;
while(t) {
t->UnMark();
t = t->_next;
}
_gc_chain = tchain;
return n;
}
#endif
#ifndef NO_GARBAGE_COLLECTOR
void SQCollectable::AddToChain(SQCollectable **chain,SQCollectable *c)
{
c->_prev = NULL;
c->_next = *chain;
if(*chain) (*chain)->_prev = c;
*chain = c;
}
void SQCollectable::RemoveFromChain(SQCollectable **chain,SQCollectable *c)
{
if(c->_prev) c->_prev->_next = c->_next;
else *chain = c->_next;
if(c->_next)
c->_next->_prev = c->_prev;
c->_next = NULL;
c->_prev = NULL;
}
#endif
SQChar* SQSharedState::GetScratchPad(SQInteger size)
{
SQInteger newsize;
if(size>0) {
if(_scratchpadsize < size) {
newsize = size + (size>>1);
_scratchpad = (SQChar *)SQ_REALLOC(_scratchpad,_scratchpadsize,newsize);
_scratchpadsize = newsize;
}else if(_scratchpadsize >= (size<<5)) {
newsize = _scratchpadsize >> 1;
_scratchpad = (SQChar *)SQ_REALLOC(_scratchpad,_scratchpadsize,newsize);
_scratchpadsize = newsize;
}
}
return _scratchpad;
}
RefTable::RefTable()
{
AllocNodes(4);
}
void RefTable::Finalize()
{
RefNode *nodes = _nodes;
for(SQUnsignedInteger n = 0; n < _numofslots; n++) {
nodes->obj.Null();
nodes++;
}
}
RefTable::~RefTable()
{
SQ_FREE(_buckets,(_numofslots * sizeof(RefNode *)) + (_numofslots * sizeof(RefNode)));
}
#ifndef NO_GARBAGE_COLLECTOR
void RefTable::Mark(SQCollectable **chain)
{
RefNode *nodes = (RefNode *)_nodes;
for(SQUnsignedInteger n = 0; n < _numofslots; n++) {
if(sq_type(nodes->obj) != OT_NULL) {
SQSharedState::MarkObject(nodes->obj,chain);
}
nodes++;
}
}
#endif
void RefTable::AddRef(SQObject &obj)
{
SQHash mainpos;
RefNode *prev;
RefNode *ref = Get(obj,mainpos,&prev,true);
ref->refs++;
}
SQUnsignedInteger RefTable::GetRefCount(SQObject &obj)
{
SQHash mainpos;
RefNode *prev;
RefNode *ref = Get(obj,mainpos,&prev,true);
return ref->refs;
}
SQBool RefTable::Release(SQObject &obj)
{
SQHash mainpos;
RefNode *prev;
RefNode *ref = Get(obj,mainpos,&prev,false);
if(ref) {
if(--ref->refs == 0) {
SQObjectPtr o = ref->obj;
if(prev) {
prev->next = ref->next;
}
else {
_buckets[mainpos] = ref->next;
}
ref->next = _freelist;
_freelist = ref;
_slotused--;
ref->obj.Null();
//<<FIXME>>test for shrink?
return SQTrue;
}
}
else {
assert(0);
}
return SQFalse;
}
void RefTable::Resize(SQUnsignedInteger size)
{
RefNode **oldbucks = _buckets;
RefNode *t = _nodes;
SQUnsignedInteger oldnumofslots = _numofslots;
AllocNodes(size);
//rehash
SQUnsignedInteger nfound = 0;
for(SQUnsignedInteger n = 0; n < oldnumofslots; n++) {
if(sq_type(t->obj) != OT_NULL) {
//add back;
assert(t->refs != 0);
RefNode *nn = Add(::HashObj(t->obj)&(_numofslots-1),t->obj);
nn->refs = t->refs;
t->obj.Null();
nfound++;
}
t++;
}
assert(nfound == oldnumofslots);
SQ_FREE(oldbucks,(oldnumofslots * sizeof(RefNode *)) + (oldnumofslots * sizeof(RefNode)));
}
RefTable::RefNode *RefTable::Add(SQHash mainpos,SQObject &obj)
{
RefNode *t = _buckets[mainpos];
RefNode *newnode = _freelist;
newnode->obj = obj;
_buckets[mainpos] = newnode;
_freelist = _freelist->next;
newnode->next = t;
assert(newnode->refs == 0);
_slotused++;
return newnode;
}
RefTable::RefNode *RefTable::Get(SQObject &obj,SQHash &mainpos,RefNode **prev,bool add)
{
RefNode *ref;
mainpos = ::HashObj(obj)&(_numofslots-1);
*prev = NULL;
for (ref = _buckets[mainpos]; ref; ) {
if(_rawval(ref->obj) == _rawval(obj) && sq_type(ref->obj) == sq_type(obj))
break;
*prev = ref;
ref = ref->next;
}
if(ref == NULL && add) {
if(_numofslots == _slotused) {
assert(_freelist == 0);
Resize(_numofslots*2);
mainpos = ::HashObj(obj)&(_numofslots-1);
}
ref = Add(mainpos,obj);
}
return ref;
}
void RefTable::AllocNodes(SQUnsignedInteger size)
{
RefNode **bucks;
RefNode *nodes;
bucks = (RefNode **)SQ_MALLOC((size * sizeof(RefNode *)) + (size * sizeof(RefNode)));
nodes = (RefNode *)&bucks[size];
RefNode *temp = nodes;
SQUnsignedInteger n;
for(n = 0; n < size - 1; n++) {
bucks[n] = NULL;
temp->refs = 0;
new (&temp->obj) SQObjectPtr;
temp->next = temp+1;
temp++;
}
bucks[n] = NULL;
temp->refs = 0;
new (&temp->obj) SQObjectPtr;
temp->next = NULL;
_freelist = nodes;
_nodes = nodes;
_buckets = bucks;
_slotused = 0;
_numofslots = size;
}
//////////////////////////////////////////////////////////////////////////
//SQStringTable
/*
* The following code is based on Lua 4.0 (Copyright 1994-2002 Tecgraf, PUC-Rio.)
* http://www.lua.org/copyright.html#4
* http://www.lua.org/source/4.0.1/src_lstring.c.html
*/
SQStringTable::SQStringTable(SQSharedState *ss)
{
_sharedstate = ss;
AllocNodes(4);
_slotused = 0;
}
SQStringTable::~SQStringTable()
{
SQ_FREE(_strings,sizeof(SQString*)*_numofslots);
_strings = NULL;
}
void SQStringTable::AllocNodes(SQInteger size)
{
_numofslots = size;
_strings = (SQString**)SQ_MALLOC(sizeof(SQString*)*_numofslots);
memset(_strings,0,sizeof(SQString*)*_numofslots);
}
SQString *SQStringTable::Add(const SQChar *news,SQInteger len)
{
if(len<0)
len = (SQInteger)scstrlen(news);
SQHash newhash = ::_hashstr(news,len);
SQHash h = newhash&(_numofslots-1);
SQString *s;
for (s = _strings[h]; s; s = s->_next){
if(s->_len == len && (!memcmp(news,s->_val,sq_rsl(len))))
return s; //found
}
SQString *t = (SQString *)SQ_MALLOC(sq_rsl(len)+sizeof(SQString));
new (t) SQString;
t->_sharedstate = _sharedstate;
memcpy(t->_val,news,sq_rsl(len));
t->_val[len] = _SC('\0');
t->_len = len;
t->_hash = newhash;
t->_next = _strings[h];
_strings[h] = t;
_slotused++;
if (_slotused > _numofslots) /* too crowded? */
Resize(_numofslots*2);
return t;
}
void SQStringTable::Resize(SQInteger size)
{
SQInteger oldsize=_numofslots;
SQString **oldtable=_strings;
AllocNodes(size);
for (SQInteger i=0; i<oldsize; i++){
SQString *p = oldtable[i];
while(p){
SQString *next = p->_next;
SQHash h = p->_hash&(_numofslots-1);
p->_next = _strings[h];
_strings[h] = p;
p = next;
}
}
SQ_FREE(oldtable,oldsize*sizeof(SQString*));
}
void SQStringTable::Remove(SQString *bs)
{
SQString *s;
SQString *prev=NULL;
SQHash h = bs->_hash&(_numofslots - 1);
for (s = _strings[h]; s; ){
if(s == bs){
if(prev)
prev->_next = s->_next;
else
_strings[h] = s->_next;
_slotused--;
SQInteger slen = s->_len;
s->~SQString();
SQ_FREE(s,sizeof(SQString) + sq_rsl(slen));
return;
}
prev = s;
s = s->_next;
}
assert(0);//if this fail something is wrong
}

136
squirrel/sqstate.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTATE_H_
#define _SQSTATE_H_
#include "squtils.h"
#include "sqobject.h"
struct SQString;
struct SQTable;
//max number of character for a printed number
#define NUMBER_MAX_CHAR 50
struct SQStringTable
{
SQStringTable(SQSharedState*ss);
~SQStringTable();
SQString *Add(const SQChar *,SQInteger len);
void Remove(SQString *);
private:
void Resize(SQInteger size);
void AllocNodes(SQInteger size);
SQString **_strings;
SQUnsignedInteger _numofslots;
SQUnsignedInteger _slotused;
SQSharedState *_sharedstate;
};
struct RefTable {
struct RefNode {
SQObjectPtr obj;
SQUnsignedInteger refs;
struct RefNode *next;
};
RefTable();
~RefTable();
void AddRef(SQObject &obj);
SQBool Release(SQObject &obj);
SQUnsignedInteger GetRefCount(SQObject &obj);
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
#endif
void Finalize();
private:
RefNode *Get(SQObject &obj,SQHash &mainpos,RefNode **prev,bool add);
RefNode *Add(SQHash mainpos,SQObject &obj);
void Resize(SQUnsignedInteger size);
void AllocNodes(SQUnsignedInteger size);
SQUnsignedInteger _numofslots;
SQUnsignedInteger _slotused;
RefNode *_nodes;
RefNode *_freelist;
RefNode **_buckets;
};
#define ADD_STRING(ss,str,len) ss->_stringtable->Add(str,len)
#define REMOVE_STRING(ss,bstr) ss->_stringtable->Remove(bstr)
struct SQObjectPtr;
struct SQSharedState
{
SQSharedState();
~SQSharedState();
void Init();
public:
SQChar* GetScratchPad(SQInteger size);
SQInteger GetMetaMethodIdxByName(const SQObjectPtr &name);
#ifndef NO_GARBAGE_COLLECTOR
SQInteger CollectGarbage(SQVM *vm);
void RunMark(SQVM *vm,SQCollectable **tchain);
SQInteger ResurrectUnreachable(SQVM *vm);
static void MarkObject(SQObjectPtr &o,SQCollectable **chain);
#endif
SQObjectPtrVec *_metamethods;
SQObjectPtr _metamethodsmap;
SQObjectPtrVec *_systemstrings;
SQObjectPtrVec *_types;
SQStringTable *_stringtable;
RefTable _refs_table;
SQObjectPtr _registry;
SQObjectPtr _consts;
SQObjectPtr _constructoridx;
#ifndef NO_GARBAGE_COLLECTOR
SQCollectable *_gc_chain;
#endif
SQObjectPtr _root_vm;
SQObjectPtr _table_default_delegate;
static const SQRegFunction _table_default_delegate_funcz[];
SQObjectPtr _array_default_delegate;
static const SQRegFunction _array_default_delegate_funcz[];
SQObjectPtr _string_default_delegate;
static const SQRegFunction _string_default_delegate_funcz[];
SQObjectPtr _number_default_delegate;
static const SQRegFunction _number_default_delegate_funcz[];
SQObjectPtr _generator_default_delegate;
static const SQRegFunction _generator_default_delegate_funcz[];
SQObjectPtr _closure_default_delegate;
static const SQRegFunction _closure_default_delegate_funcz[];
SQObjectPtr _thread_default_delegate;
static const SQRegFunction _thread_default_delegate_funcz[];
SQObjectPtr _class_default_delegate;
static const SQRegFunction _class_default_delegate_funcz[];
SQObjectPtr _instance_default_delegate;
static const SQRegFunction _instance_default_delegate_funcz[];
SQObjectPtr _weakref_default_delegate;
static const SQRegFunction _weakref_default_delegate_funcz[];
SQCOMPILERERROR _compilererrorhandler;
SQPRINTFUNCTION _printfunc;
SQPRINTFUNCTION _errorfunc;
bool _debuginfo;
bool _notifyallexceptions;
SQUserPointer _foreignptr;
SQRELEASEHOOK _releasehook;
private:
SQChar *_scratchpad;
SQInteger _scratchpadsize;
};
#define _sp(s) (_sharedstate->GetScratchPad(s))
#define _spval (_sharedstate->GetScratchPad(-1))
#define _table_ddel _table(_sharedstate->_table_default_delegate)
#define _array_ddel _table(_sharedstate->_array_default_delegate)
#define _string_ddel _table(_sharedstate->_string_default_delegate)
#define _number_ddel _table(_sharedstate->_number_default_delegate)
#define _generator_ddel _table(_sharedstate->_generator_default_delegate)
#define _closure_ddel _table(_sharedstate->_closure_default_delegate)
#define _thread_ddel _table(_sharedstate->_thread_default_delegate)
#define _class_ddel _table(_sharedstate->_class_default_delegate)
#define _instance_ddel _table(_sharedstate->_instance_default_delegate)
#define _weakref_ddel _table(_sharedstate->_weakref_default_delegate)
bool CompileTypemask(SQIntVec &res,const SQChar *typemask);
#endif //_SQSTATE_H_

31
squirrel/sqstring.h
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/* see copyright notice in squirrel.h */
#ifndef _SQSTRING_H_
#define _SQSTRING_H_
inline SQHash _hashstr (const SQChar *s, size_t l)
{
SQHash h = (SQHash)l; /* seed */
size_t step = (l>>5)|1; /* if string is too long, don't hash all its chars */
for (; l>=step; l-=step)
h = h ^ ((h<<5)+(h>>2)+(unsigned short)*(s++));
return h;
}
struct SQString : public SQRefCounted
{
SQString(){}
~SQString(){}
public:
static SQString *Create(SQSharedState *ss, const SQChar *, SQInteger len = -1 );
SQInteger Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval);
void Release();
SQSharedState *_sharedstate;
SQString *_next; //chain for the string table
SQInteger _len;
SQHash _hash;
SQChar _val[1];
};
#endif //_SQSTRING_H_

221
squirrel/sqtable.cpp
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/*
see copyright notice in squirrel.h
*/
#include "sqpcheader.h"
#include "sqvm.h"
#include "sqtable.h"
#include "sqfuncproto.h"
#include "sqclosure.h"
SQTable::SQTable(SQSharedState *ss,SQInteger nInitialSize)
{
SQInteger pow2size=MINPOWER2;
while(nInitialSize>pow2size)pow2size=pow2size<<1;
AllocNodes(pow2size);
_usednodes = 0;
_delegate = NULL;
INIT_CHAIN();
ADD_TO_CHAIN(&_sharedstate->_gc_chain,this);
}
void SQTable::Remove(const SQObjectPtr &key)
{
_HashNode *n = _Get(key, HashObj(key) & (_numofnodes - 1));
if (n) {
n->val.Null();
n->key.Null();
_usednodes--;
Rehash(false);
}
}
void SQTable::AllocNodes(SQInteger nSize)
{
_HashNode *nodes=(_HashNode *)SQ_MALLOC(sizeof(_HashNode)*nSize);
for(SQInteger i=0;i<nSize;i++){
_HashNode &n = nodes[i];
new (&n) _HashNode;
n.next=NULL;
}
_numofnodes=nSize;
_nodes=nodes;
_firstfree=&_nodes[_numofnodes-1];
}
void SQTable::Rehash(bool force)
{
SQInteger oldsize=_numofnodes;
//prevent problems with the integer division
if(oldsize<4)oldsize=4;
_HashNode *nold=_nodes;
SQInteger nelems=CountUsed();
if (nelems >= oldsize-oldsize/4) /* using more than 3/4? */
AllocNodes(oldsize*2);
else if (nelems <= oldsize/4 && /* less than 1/4? */
oldsize > MINPOWER2)
AllocNodes(oldsize/2);
else if(force)
AllocNodes(oldsize);
else
return;
_usednodes = 0;
for (SQInteger i=0; i<oldsize; i++) {
_HashNode *old = nold+i;
if (sq_type(old->key) != OT_NULL)
NewSlot(old->key,old->val);
}
for(SQInteger k=0;k<oldsize;k++)
nold[k].~_HashNode();
SQ_FREE(nold,oldsize*sizeof(_HashNode));
}
SQTable *SQTable::Clone()
{
SQTable *nt=Create(_opt_ss(this),_numofnodes);
#ifdef _FAST_CLONE
_HashNode *basesrc = _nodes;
_HashNode *basedst = nt->_nodes;
_HashNode *src = _nodes;
_HashNode *dst = nt->_nodes;
SQInteger n = 0;
for(n = 0; n < _numofnodes; n++) {
dst->key = src->key;
dst->val = src->val;
if(src->next) {
assert(src->next > basesrc);
dst->next = basedst + (src->next - basesrc);
assert(dst != dst->next);
}
dst++;
src++;
}
assert(_firstfree > basesrc);
assert(_firstfree != NULL);
nt->_firstfree = basedst + (_firstfree - basesrc);
nt->_usednodes = _usednodes;
#else
SQInteger ridx=0;
SQObjectPtr key,val;
while((ridx=Next(true,ridx,key,val))!=-1){
nt->NewSlot(key,val);
}
#endif
nt->SetDelegate(_delegate);
return nt;
}
bool SQTable::Get(const SQObjectPtr &key,SQObjectPtr &val)
{
if(sq_type(key) == OT_NULL)
return false;
_HashNode *n = _Get(key, HashObj(key) & (_numofnodes - 1));
if (n) {
val = _realval(n->val);
return true;
}
return false;
}
bool SQTable::NewSlot(const SQObjectPtr &key,const SQObjectPtr &val)
{
assert(sq_type(key) != OT_NULL);
SQHash h = HashObj(key) & (_numofnodes - 1);
_HashNode *n = _Get(key, h);
if (n) {
n->val = val;
return false;
}
_HashNode *mp = &_nodes[h];
n = mp;
//key not found I'll insert it
//main pos is not free
if(sq_type(mp->key) != OT_NULL) {
n = _firstfree; /* get a free place */
SQHash mph = HashObj(mp->key) & (_numofnodes - 1);
_HashNode *othern; /* main position of colliding node */
if (mp > n && (othern = &_nodes[mph]) != mp){
/* yes; move colliding node into free position */
while (othern->next != mp){
assert(othern->next != NULL);
othern = othern->next; /* find previous */
}
othern->next = n; /* redo the chain with `n' in place of `mp' */
n->key = mp->key;
n->val = mp->val;/* copy colliding node into free pos. (mp->next also goes) */
n->next = mp->next;
mp->key.Null();
mp->val.Null();
mp->next = NULL; /* now `mp' is free */
}
else{
/* new node will go into free position */
n->next = mp->next; /* chain new position */
mp->next = n;
mp = n;
}
}
mp->key = key;
for (;;) { /* correct `firstfree' */
if (sq_type(_firstfree->key) == OT_NULL && _firstfree->next == NULL) {
mp->val = val;
_usednodes++;
return true; /* OK; table still has a free place */
}
else if (_firstfree == _nodes) break; /* cannot decrement from here */
else (_firstfree)--;
}
Rehash(true);
return NewSlot(key, val);
}
SQInteger SQTable::Next(bool getweakrefs,const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval)
{
SQInteger idx = (SQInteger)TranslateIndex(refpos);
while (idx < _numofnodes) {
if(sq_type(_nodes[idx].key) != OT_NULL) {
//first found
_HashNode &n = _nodes[idx];
outkey = n.key;
outval = getweakrefs?(SQObject)n.val:_realval(n.val);
//return idx for the next iteration
return ++idx;
}
++idx;
}
//nothing to iterate anymore
return -1;
}
bool SQTable::Set(const SQObjectPtr &key, const SQObjectPtr &val)
{
_HashNode *n = _Get(key, HashObj(key) & (_numofnodes - 1));
if (n) {
n->val = val;
return true;
}
return false;
}
void SQTable::_ClearNodes()
{
for(SQInteger i = 0;i < _numofnodes; i++) { _HashNode &n = _nodes[i]; n.key.Null(); n.val.Null(); }
}
void SQTable::Finalize()
{
_ClearNodes();
SetDelegate(NULL);
}
void SQTable::Clear()
{
_ClearNodes();
_usednodes = 0;
Rehash(true);
}

110
squirrel/sqtable.h
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/* see copyright notice in squirrel.h */
#ifndef _SQTABLE_H_
#define _SQTABLE_H_
/*
* The following code is based on Lua 4.0 (Copyright 1994-2002 Tecgraf, PUC-Rio.)
* http://www.lua.org/copyright.html#4
* http://www.lua.org/source/4.0.1/src_ltable.c.html
*/
#include "sqstring.h"
#define hashptr(p) ((SQHash)(((SQInteger)p) >> 3))
inline SQHash HashObj(const SQObjectPtr &key)
{
switch(sq_type(key)) {
case OT_STRING: return _string(key)->_hash;
case OT_FLOAT: return (SQHash)((SQInteger)_float(key));
case OT_BOOL: case OT_INTEGER: return (SQHash)((SQInteger)_integer(key));
default: return hashptr(key._unVal.pRefCounted);
}
}
struct SQTable : public SQDelegable
{
private:
struct _HashNode
{
_HashNode() { next = NULL; }
SQObjectPtr val;
SQObjectPtr key;
_HashNode *next;
};
_HashNode *_firstfree;
_HashNode *_nodes;
SQInteger _numofnodes;
SQInteger _usednodes;
///////////////////////////
void AllocNodes(SQInteger nSize);
void Rehash(bool force);
SQTable(SQSharedState *ss, SQInteger nInitialSize);
void _ClearNodes();
public:
static SQTable* Create(SQSharedState *ss,SQInteger nInitialSize)
{
SQTable *newtable = (SQTable*)SQ_MALLOC(sizeof(SQTable));
new (newtable) SQTable(ss, nInitialSize);
newtable->_delegate = NULL;
return newtable;
}
void Finalize();
SQTable *Clone();
~SQTable()
{
SetDelegate(NULL);
REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this);
for (SQInteger i = 0; i < _numofnodes; i++) _nodes[i].~_HashNode();
SQ_FREE(_nodes, _numofnodes * sizeof(_HashNode));
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
SQObjectType GetType() {return OT_TABLE;}
#endif
inline _HashNode *_Get(const SQObjectPtr &key,SQHash hash)
{
_HashNode *n = &_nodes[hash];
do{
if(_rawval(n->key) == _rawval(key) && sq_type(n->key) == sq_type(key)){
return n;
}
}while((n = n->next));
return NULL;
}
//for compiler use
inline bool GetStr(const SQChar* key,SQInteger keylen,SQObjectPtr &val)
{
SQHash hash = _hashstr(key,keylen);
_HashNode *n = &_nodes[hash & (_numofnodes - 1)];
_HashNode *res = NULL;
do{
if(sq_type(n->key) == OT_STRING && (scstrcmp(_stringval(n->key),key) == 0)){
res = n;
break;
}
}while((n = n->next));
if (res) {
val = _realval(res->val);
return true;
}
return false;
}
bool Get(const SQObjectPtr &key,SQObjectPtr &val);
void Remove(const SQObjectPtr &key);
bool Set(const SQObjectPtr &key, const SQObjectPtr &val);
//returns true if a new slot has been created false if it was already present
bool NewSlot(const SQObjectPtr &key,const SQObjectPtr &val);
SQInteger Next(bool getweakrefs,const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval);
SQInteger CountUsed(){ return _usednodes;}
void Clear();
void Release()
{
sq_delete(this, SQTable);
}
};
#endif //_SQTABLE_H_

40
squirrel/squserdata.h
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/* see copyright notice in squirrel.h */
#ifndef _SQUSERDATA_H_
#define _SQUSERDATA_H_
struct SQUserData : SQDelegable
{
SQUserData(SQSharedState *ss){ _delegate = 0; _hook = NULL; INIT_CHAIN(); ADD_TO_CHAIN(&_ss(this)->_gc_chain, this); }
~SQUserData()
{
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain, this);
SetDelegate(NULL);
}
static SQUserData* Create(SQSharedState *ss, SQInteger size)
{
SQUserData* ud = (SQUserData*)SQ_MALLOC(sq_aligning(sizeof(SQUserData))+size);
new (ud) SQUserData(ss);
ud->_size = size;
ud->_typetag = 0;
return ud;
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize(){SetDelegate(NULL);}
SQObjectType GetType(){ return OT_USERDATA;}
#endif
void Release() {
if (_hook) _hook((SQUserPointer)sq_aligning(this + 1),_size);
SQInteger tsize = _size;
this->~SQUserData();
SQ_FREE(this, sq_aligning(sizeof(SQUserData)) + tsize);
}
SQInteger _size;
SQRELEASEHOOK _hook;
SQUserPointer _typetag;
//SQChar _val[1];
};
#endif //_SQUSERDATA_H_

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squirrel/squtils.h
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/* see copyright notice in squirrel.h */
#ifndef _SQUTILS_H_
#define _SQUTILS_H_
void *sq_vm_malloc(SQUnsignedInteger size);
void *sq_vm_realloc(void *p,SQUnsignedInteger oldsize,SQUnsignedInteger size);
void sq_vm_free(void *p,SQUnsignedInteger size);
#define sq_new(__ptr,__type) {__ptr=(__type *)sq_vm_malloc(sizeof(__type));new (__ptr) __type;}
#define sq_delete(__ptr,__type) {__ptr->~__type();sq_vm_free(__ptr,sizeof(__type));}
#define SQ_MALLOC(__size) sq_vm_malloc((__size));
#define SQ_FREE(__ptr,__size) sq_vm_free((__ptr),(__size));
#define SQ_REALLOC(__ptr,__oldsize,__size) sq_vm_realloc((__ptr),(__oldsize),(__size));
#define sq_aligning(v) (((size_t)(v) + (SQ_ALIGNMENT-1)) & (~(SQ_ALIGNMENT-1)))
//sqvector mini vector class, supports objects by value
template<typename T> class sqvector
{
public:
sqvector()
{
_vals = NULL;
_size = 0;
_allocated = 0;
}
sqvector(const sqvector<T>& v)
{
copy(v);
}
void copy(const sqvector<T>& v)
{
if(_size) {
resize(0); //destroys all previous stuff
}
//resize(v._size);
if(v._size > _allocated) {
_realloc(v._size);
}
for(SQUnsignedInteger i = 0; i < v._size; i++) {
new ((void *)&_vals[i]) T(v._vals[i]);
}
_size = v._size;
}
~sqvector()
{
if(_allocated) {
for(SQUnsignedInteger i = 0; i < _size; i++)
_vals[i].~T();
SQ_FREE(_vals, (_allocated * sizeof(T)));
}
}
void reserve(SQUnsignedInteger newsize) { _realloc(newsize); }
void resize(SQUnsignedInteger newsize, const T& fill = T())
{
if(newsize > _allocated)
_realloc(newsize);
if(newsize > _size) {
while(_size < newsize) {
new ((void *)&_vals[_size]) T(fill);
_size++;
}
}
else{
for(SQUnsignedInteger i = newsize; i < _size; i++) {
_vals[i].~T();
}
_size = newsize;
}
}
void shrinktofit() { if(_size > 4) { _realloc(_size); } }
T& top() const { return _vals[_size - 1]; }
inline SQUnsignedInteger size() const { return _size; }
bool empty() const { return (_size <= 0); }
inline T &push_back(const T& val = T())
{
if(_allocated <= _size)
_realloc(_size * 2);
return *(new ((void *)&_vals[_size++]) T(val));
}
inline void pop_back()
{
_size--; _vals[_size].~T();
}
void insert(SQUnsignedInteger idx, const T& val)
{
resize(_size + 1);
for(SQUnsignedInteger i = _size - 1; i > idx; i--) {
_vals[i] = _vals[i - 1];
}
_vals[idx] = val;
}
void remove(SQUnsignedInteger idx)
{
_vals[idx].~T();
if(idx < (_size - 1)) {
memmove(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1));
}
_size--;
}
SQUnsignedInteger capacity() { return _allocated; }
inline T &back() const { return _vals[_size - 1]; }
inline T& operator[](SQUnsignedInteger pos) const{ return _vals[pos]; }
T* _vals;
private:
void _realloc(SQUnsignedInteger newsize)
{
newsize = (newsize > 0)?newsize:4;
_vals = (T*)SQ_REALLOC(_vals, _allocated * sizeof(T), newsize * sizeof(T));
_allocated = newsize;
}
SQUnsignedInteger _size;
SQUnsignedInteger _allocated;
};
#endif //_SQUTILS_H_

1791
squirrel/sqvm.cpp
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213
squirrel/sqvm.h
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/* see copyright notice in squirrel.h */
#ifndef _SQVM_H_
#define _SQVM_H_
#include "sqopcodes.h"
#include "sqobject.h"
#define MAX_NATIVE_CALLS 100
#define MIN_STACK_OVERHEAD 15
#define SQ_SUSPEND_FLAG -666
#define SQ_TAILCALL_FLAG -777
#define DONT_FALL_BACK 666
//#define EXISTS_FALL_BACK -1
#define GET_FLAG_RAW 0x00000001
#define GET_FLAG_DO_NOT_RAISE_ERROR 0x00000002
//base lib
void sq_base_register(HSQUIRRELVM v);
struct SQExceptionTrap{
SQExceptionTrap() {}
SQExceptionTrap(SQInteger ss, SQInteger stackbase,SQInstruction *ip, SQInteger ex_target){ _stacksize = ss; _stackbase = stackbase; _ip = ip; _extarget = ex_target;}
SQExceptionTrap(const SQExceptionTrap &et) { (*this) = et; }
SQInteger _stackbase;
SQInteger _stacksize;
SQInstruction *_ip;
SQInteger _extarget;
};
#define _INLINE
typedef sqvector<SQExceptionTrap> ExceptionsTraps;
struct SQVM : public CHAINABLE_OBJ
{
struct CallInfo{
//CallInfo() { _generator = NULL;}
SQInstruction *_ip;
SQObjectPtr *_literals;
SQObjectPtr _closure;
SQGenerator *_generator;
SQInt32 _etraps;
SQInt32 _prevstkbase;
SQInt32 _prevtop;
SQInt32 _target;
SQInt32 _ncalls;
SQBool _root;
};
typedef sqvector<CallInfo> CallInfoVec;
public:
void DebugHookProxy(SQInteger type, const SQChar * sourcename, SQInteger line, const SQChar * funcname);
static void _DebugHookProxy(HSQUIRRELVM v, SQInteger type, const SQChar * sourcename, SQInteger line, const SQChar * funcname);
enum ExecutionType { ET_CALL, ET_RESUME_GENERATOR, ET_RESUME_VM,ET_RESUME_THROW_VM };
SQVM(SQSharedState *ss);
~SQVM();
bool Init(SQVM *friendvm, SQInteger stacksize);
bool Execute(SQObjectPtr &func, SQInteger nargs, SQInteger stackbase, SQObjectPtr &outres, SQBool raiseerror, ExecutionType et = ET_CALL);
//starts a native call return when the NATIVE closure returns
bool CallNative(SQNativeClosure *nclosure, SQInteger nargs, SQInteger newbase, SQObjectPtr &retval, SQInt32 target, bool &suspend,bool &tailcall);
bool TailCall(SQClosure *closure, SQInteger firstparam, SQInteger nparams);
//starts a SQUIRREL call in the same "Execution loop"
bool StartCall(SQClosure *closure, SQInteger target, SQInteger nargs, SQInteger stackbase, bool tailcall);
bool CreateClassInstance(SQClass *theclass, SQObjectPtr &inst, SQObjectPtr &constructor);
//call a generic closure pure SQUIRREL or NATIVE
bool Call(SQObjectPtr &closure, SQInteger nparams, SQInteger stackbase, SQObjectPtr &outres,SQBool raiseerror);
SQRESULT Suspend();
void CallDebugHook(SQInteger type,SQInteger forcedline=0);
void CallErrorHandler(SQObjectPtr &e);
bool Get(const SQObjectPtr &self, const SQObjectPtr &key, SQObjectPtr &dest, SQUnsignedInteger getflags, SQInteger selfidx);
SQInteger FallBackGet(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest);
bool InvokeDefaultDelegate(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest);
bool Set(const SQObjectPtr &self, const SQObjectPtr &key, const SQObjectPtr &val, SQInteger selfidx);
SQInteger FallBackSet(const SQObjectPtr &self,const SQObjectPtr &key,const SQObjectPtr &val);
bool NewSlot(const SQObjectPtr &self, const SQObjectPtr &key, const SQObjectPtr &val,bool bstatic);
bool NewSlotA(const SQObjectPtr &self,const SQObjectPtr &key,const SQObjectPtr &val,const SQObjectPtr &attrs,bool bstatic,bool raw);
bool DeleteSlot(const SQObjectPtr &self, const SQObjectPtr &key, SQObjectPtr &res);
bool Clone(const SQObjectPtr &self, SQObjectPtr &target);
bool ObjCmp(const SQObjectPtr &o1, const SQObjectPtr &o2,SQInteger &res);
bool StringCat(const SQObjectPtr &str, const SQObjectPtr &obj, SQObjectPtr &dest);
static bool IsEqual(const SQObjectPtr &o1,const SQObjectPtr &o2,bool &res);
bool ToString(const SQObjectPtr &o,SQObjectPtr &res);
SQString *PrintObjVal(const SQObjectPtr &o);
void Raise_Error(const SQChar *s, ...);
void Raise_Error(const SQObjectPtr &desc);
void Raise_IdxError(const SQObjectPtr &o);
void Raise_CompareError(const SQObject &o1, const SQObject &o2);
void Raise_ParamTypeError(SQInteger nparam,SQInteger typemask,SQInteger type);
void FindOuter(SQObjectPtr &target, SQObjectPtr *stackindex);
void RelocateOuters();
void CloseOuters(SQObjectPtr *stackindex);
bool TypeOf(const SQObjectPtr &obj1, SQObjectPtr &dest);
bool CallMetaMethod(SQObjectPtr &closure, SQMetaMethod mm, SQInteger nparams, SQObjectPtr &outres);
bool ArithMetaMethod(SQInteger op, const SQObjectPtr &o1, const SQObjectPtr &o2, SQObjectPtr &dest);
bool Return(SQInteger _arg0, SQInteger _arg1, SQObjectPtr &retval);
//new stuff
_INLINE bool ARITH_OP(SQUnsignedInteger op,SQObjectPtr &trg,const SQObjectPtr &o1,const SQObjectPtr &o2);
_INLINE bool BW_OP(SQUnsignedInteger op,SQObjectPtr &trg,const SQObjectPtr &o1,const SQObjectPtr &o2);
_INLINE bool NEG_OP(SQObjectPtr &trg,const SQObjectPtr &o1);
_INLINE bool CMP_OP(CmpOP op, const SQObjectPtr &o1,const SQObjectPtr &o2,SQObjectPtr &res);
bool CLOSURE_OP(SQObjectPtr &target, SQFunctionProto *func);
bool CLASS_OP(SQObjectPtr &target,SQInteger base,SQInteger attrs);
//return true if the loop is finished
bool FOREACH_OP(SQObjectPtr &o1,SQObjectPtr &o2,SQObjectPtr &o3,SQObjectPtr &o4,SQInteger arg_2,int exitpos,int &jump);
//_INLINE bool LOCAL_INC(SQInteger op,SQObjectPtr &target, SQObjectPtr &a, SQObjectPtr &incr);
_INLINE bool PLOCAL_INC(SQInteger op,SQObjectPtr &target, SQObjectPtr &a, SQObjectPtr &incr);
_INLINE bool DerefInc(SQInteger op,SQObjectPtr &target, SQObjectPtr &self, SQObjectPtr &key, SQObjectPtr &incr, bool postfix,SQInteger arg0);
#ifdef _DEBUG_DUMP
void dumpstack(SQInteger stackbase=-1, bool dumpall = false);
#endif
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
SQObjectType GetType() {return OT_THREAD;}
#endif
void Finalize();
void GrowCallStack() {
SQInteger newsize = _alloccallsstacksize*2;
_callstackdata.resize(newsize);
_callsstack = &_callstackdata[0];
_alloccallsstacksize = newsize;
}
bool EnterFrame(SQInteger newbase, SQInteger newtop, bool tailcall);
void LeaveFrame();
void Release(){ sq_delete(this,SQVM); }
////////////////////////////////////////////////////////////////////////////
//stack functions for the api
void Remove(SQInteger n);
static bool IsFalse(SQObjectPtr &o);
void Pop();
void Pop(SQInteger n);
void Push(const SQObjectPtr &o);
void PushNull();
SQObjectPtr &Top();
SQObjectPtr &PopGet();
SQObjectPtr &GetUp(SQInteger n);
SQObjectPtr &GetAt(SQInteger n);
SQObjectPtrVec _stack;
SQInteger _top;
SQInteger _stackbase;
SQOuter *_openouters;
SQObjectPtr _roottable;
SQObjectPtr _lasterror;
SQObjectPtr _errorhandler;
bool _debughook;
SQDEBUGHOOK _debughook_native;
SQObjectPtr _debughook_closure;
SQObjectPtr temp_reg;
CallInfo* _callsstack;
SQInteger _callsstacksize;
SQInteger _alloccallsstacksize;
sqvector<CallInfo> _callstackdata;
ExceptionsTraps _etraps;
CallInfo *ci;
SQUserPointer _foreignptr;
//VMs sharing the same state
SQSharedState *_sharedstate;
SQInteger _nnativecalls;
SQInteger _nmetamethodscall;
SQRELEASEHOOK _releasehook;
//suspend infos
SQBool _suspended;
SQBool _suspended_root;
SQInteger _suspended_target;
SQInteger _suspended_traps;
};
struct AutoDec{
AutoDec(SQInteger *n) { _n = n; }
~AutoDec() { (*_n)--; }
SQInteger *_n;
};
inline SQObjectPtr &stack_get(HSQUIRRELVM v,SQInteger idx){return ((idx>=0)?(v->GetAt(idx+v->_stackbase-1)):(v->GetUp(idx)));}
#define _ss(_vm_) (_vm_)->_sharedstate
#ifndef NO_GARBAGE_COLLECTOR
#define _opt_ss(_vm_) (_vm_)->_sharedstate
#else
#define _opt_ss(_vm_) NULL
#endif
#define PUSH_CALLINFO(v,nci){ \
SQInteger css = v->_callsstacksize; \
if(css == v->_alloccallsstacksize) { \
v->GrowCallStack(); \
} \
v->ci = &v->_callsstack[css]; \
*(v->ci) = nci; \
v->_callsstacksize++; \
}
#define POP_CALLINFO(v){ \
SQInteger css = --v->_callsstacksize; \
v->ci->_closure.Null(); \
v->ci = css?&v->_callsstack[css-1]:NULL; \
}
#endif //_SQVM_H_

165
squirrel/stdlib/sqstdaux.cpp
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/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <sqstdaux.h>
#include <stdio.h>
#include <assert.h>
#include <stdarg.h>
void sqstd_dumptypename(HSQUIRRELVM v, SQInteger idx, const SQChar *name, SQPRINTFUNCTION pf)
{
switch(sq_gettype(v,idx))
{
case OT_NULL:
pf(v,_SC("[%s] NULL\n"),name);
break;
case OT_INTEGER: {
SQInteger i;
sq_getinteger(v,idx,&i);
pf(v,_SC("[%s] " _PRINT_INT_FMT "\n"),name,i);
} break;
case OT_FLOAT: {
SQFloat f;
sq_getfloat(v,idx,&f);
pf(v,_SC("[%s] %.14g\n"),name,f);
} break;
case OT_USERPOINTER:
pf(v,_SC("[%s] USERPOINTER\n"),name);
break;
case OT_STRING:
const SQChar *s;
sq_getstring(v,idx,&s);
pf(v,_SC("[%s] \"%s\"\n"),name,s);
break;
case OT_TABLE:
pf(v,_SC("[%s] TABLE\n"),name);
break;
case OT_ARRAY:
pf(v,_SC("[%s] ARRAY\n"),name);
break;
case OT_CLOSURE:
pf(v,_SC("[%s] CLOSURE\n"),name);
break;
case OT_NATIVECLOSURE:
pf(v,_SC("[%s] NATIVECLOSURE\n"),name);
break;
case OT_GENERATOR:
pf(v,_SC("[%s] GENERATOR\n"),name);
break;
case OT_USERDATA:
pf(v,_SC("[%s] USERDATA\n"),name);
break;
case OT_THREAD:
pf(v,_SC("[%s] THREAD\n"),name);
break;
case OT_CLASS:
pf(v,_SC("[%s] CLASS\n"),name);
break;
case OT_INSTANCE:
pf(v,_SC("[%s] INSTANCE\n"),name);
break;
case OT_WEAKREF:
pf(v,_SC("[%s] WEAKREF\n"),name);
break;
case OT_BOOL:{
SQBool bval;
sq_getbool(v,idx,&bval);
pf(v,_SC("[%s] %s\n"),name,bval == SQTrue ? _SC("true"):_SC("false"));
}
break;
default: assert(0); break;
}
}
void sqstd_dumpstack(HSQUIRRELVM v, SQInteger bottom, SQInteger top, SQPRINTFUNCTION pf)
{
SQChar b[16];
while (bottom <= top)
{
scsprintf(b, sizeof(b), _PRINT_INT_FMT, bottom);
sqstd_dumptypename(v, bottom++, b, pf);
}
}
void sqstd_printcallstack(HSQUIRRELVM v)
{
SQPRINTFUNCTION pf = sq_geterrorfunc(v);
if(pf) {
SQStackInfos si;
SQInteger level=1; //1 is to skip this function that is level 0
const SQChar *name=0;
SQInteger seq=0;
pf(v,_SC("\nCALLSTACK\n"));
while(SQ_SUCCEEDED(sq_stackinfos(v,level,&si)))
{
const SQChar *fn=_SC("unknown");
const SQChar *src=_SC("unknown");
if(si.funcname)fn=si.funcname;
if(si.source)src=si.source;
pf(v,_SC("*FUNCTION [%s()] %s line [%d]\n"),fn,src,si.line);
level++;
}
level=0;
pf(v,_SC("\nLOCALS\n"));
for(level=0;level<10;level++){
seq=0;
while((name = sq_getlocal(v,level,seq)))
{
seq++;
sqstd_dumptypename(v,-1,name, pf);
sq_pop(v,1);
}
}
}
}
static SQInteger _sqstd_aux_printerror(HSQUIRRELVM v)
{
SQPRINTFUNCTION pf = sq_geterrorfunc(v);
if(pf) {
const SQChar *sErr = 0;
if(sq_gettop(v)>=1) {
if(SQ_SUCCEEDED(sq_getstring(v,2,&sErr))) {
pf(v,_SC("\nAN ERROR HAS OCCURRED [%s]\n"),sErr);
}
else{
pf(v,_SC("\nAN ERROR HAS OCCURRED [unknown]\n"));
}
sqstd_printcallstack(v);
}
}
return 0;
}
void _sqstd_compiler_error(HSQUIRRELVM v,const SQChar *sErr,const SQChar *sSource,SQInteger line,SQInteger column)
{
SQPRINTFUNCTION pf = sq_geterrorfunc(v);
if(pf) {
pf(v,_SC("%s line = (%d) column = (%d) : error %s\n"),sSource,line,column,sErr);
}
}
void sqstd_seterrorhandlers(HSQUIRRELVM v)
{
sq_setcompilererrorhandler(v,_sqstd_compiler_error);
sq_newclosure(v,_sqstd_aux_printerror,0);
sq_seterrorhandler(v);
}
SQRESULT sqstd_throwerrorf(HSQUIRRELVM v,const SQChar *err,...)
{
SQInteger n=256;
va_list args;
begin:
va_start(args,err);
SQChar *b=sq_getscratchpad(v,n);
SQInteger r=scvsprintf(b,n,err,args);
va_end(args);
if (r>=n) {
n=r+1;//required+null
goto begin;
} else if (r<0) {
return sq_throwerror(v,_SC("@failed to generate formatted error message"));
} else {
return sq_throwerror(v,b);
}
}

283
squirrel/stdlib/sqstdblob.cpp
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/* see copyright notice in squirrel.h */
#include <new>
#include <squirrel.h>
#include <sqstdio.h>
#include <string.h>
#include <sqstdblob.h>
#include "sqstdstream.h"
#include "sqstdblobimpl.h"
#define SQSTD_BLOB_TYPE_TAG ((SQUnsignedInteger)(SQSTD_STREAM_TYPE_TAG | 0x00000002))
//Blob
#define SETUP_BLOB(v) \
SQBlob *self = NULL; \
{ if(SQ_FAILED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) \
return sq_throwerror(v,_SC("invalid type tag")); } \
if(!self || !self->IsValid()) \
return sq_throwerror(v,_SC("the blob is invalid"));
static SQInteger _blob_resize(HSQUIRRELVM v)
{
SETUP_BLOB(v);
SQInteger size;
sq_getinteger(v,2,&size);
if(!self->Resize(size))
return sq_throwerror(v,_SC("resize failed"));
return 0;
}
static void __swap_dword(unsigned int *n)
{
*n=(unsigned int)(((*n&0xFF000000)>>24) |
((*n&0x00FF0000)>>8) |
((*n&0x0000FF00)<<8) |
((*n&0x000000FF)<<24));
}
static void __swap_word(unsigned short *n)
{
*n=(unsigned short)((*n>>8)&0x00FF)| ((*n<<8)&0xFF00);
}
static SQInteger _blob_swap4(HSQUIRRELVM v)
{
SETUP_BLOB(v);
SQInteger num=(self->Len()-(self->Len()%4))>>2;
unsigned int *t=(unsigned int *)self->GetBuf();
for(SQInteger i = 0; i < num; i++) {
__swap_dword(&t[i]);
}
return 0;
}
static SQInteger _blob_swap2(HSQUIRRELVM v)
{
SETUP_BLOB(v);
SQInteger num=(self->Len()-(self->Len()%2))>>1;
unsigned short *t = (unsigned short *)self->GetBuf();
for(SQInteger i = 0; i < num; i++) {
__swap_word(&t[i]);
}
return 0;
}
static SQInteger _blob__set(HSQUIRRELVM v)
{
SETUP_BLOB(v);
SQInteger idx,val;
sq_getinteger(v,2,&idx);
sq_getinteger(v,3,&val);
if(idx < 0 || idx >= self->Len())
return sq_throwerror(v,_SC("index out of range"));
((unsigned char *)self->GetBuf())[idx] = (unsigned char) val;
sq_push(v,3);
return 1;
}
static SQInteger _blob__get(HSQUIRRELVM v)
{
SETUP_BLOB(v);
SQInteger idx;
if ((sq_gettype(v, 2) & SQOBJECT_NUMERIC) == 0)
{
sq_pushnull(v);
return sq_throwobject(v);
}
sq_getinteger(v,2,&idx);
if(idx < 0 || idx >= self->Len())
return sq_throwerror(v,_SC("index out of range"));
sq_pushinteger(v,((unsigned char *)self->GetBuf())[idx]);
return 1;
}
static SQInteger _blob__nexti(HSQUIRRELVM v)
{
SETUP_BLOB(v);
if(sq_gettype(v,2) == OT_NULL) {
sq_pushinteger(v, 0);
return 1;
}
SQInteger idx;
if(SQ_SUCCEEDED(sq_getinteger(v, 2, &idx))) {
if(idx+1 < self->Len()) {
sq_pushinteger(v, idx+1);
return 1;
}
sq_pushnull(v);
return 1;
}
return sq_throwerror(v,_SC("internal error (_nexti) wrong argument type"));
}
static SQInteger _blob__typeof(HSQUIRRELVM v)
{
sq_pushstring(v,_SC("blob"),-1);
return 1;
}
static SQInteger _blob_releasehook(SQUserPointer p, SQInteger SQ_UNUSED_ARG(size))
{
SQBlob *self = (SQBlob*)p;
self->~SQBlob();
sq_free(self,sizeof(SQBlob));
return 1;
}
static SQInteger _blob_constructor(HSQUIRRELVM v)
{
SQInteger nparam = sq_gettop(v);
SQInteger size = 0;
if(nparam == 2) {
sq_getinteger(v, 2, &size);
}
if(size < 0) return sq_throwerror(v, _SC("cannot create blob with negative size"));
//SQBlob *b = new SQBlob(size);
SQBlob *b = new (sq_malloc(sizeof(SQBlob)))SQBlob(size);
if(SQ_FAILED(sq_setinstanceup(v,1,b))) {
b->~SQBlob();
sq_free(b,sizeof(SQBlob));
return sq_throwerror(v, _SC("cannot create blob"));
}
sq_setreleasehook(v,1,_blob_releasehook);
return 0;
}
static SQInteger _blob__cloned(HSQUIRRELVM v)
{
SQBlob *other = NULL;
{
if(SQ_FAILED(sq_getinstanceup(v,2,(SQUserPointer*)&other,(SQUserPointer)SQSTD_BLOB_TYPE_TAG)))
return SQ_ERROR;
}
//SQBlob *thisone = new SQBlob(other->Len());
SQBlob *thisone = new (sq_malloc(sizeof(SQBlob)))SQBlob(other->Len());
memcpy(thisone->GetBuf(),other->GetBuf(),thisone->Len());
if(SQ_FAILED(sq_setinstanceup(v,1,thisone))) {
thisone->~SQBlob();
sq_free(thisone,sizeof(SQBlob));
return sq_throwerror(v, _SC("cannot clone blob"));
}
sq_setreleasehook(v,1,_blob_releasehook);
return 0;
}
#define _DECL_BLOB_FUNC(name,nparams,typecheck) {_SC(#name),_blob_##name,nparams,typecheck}
static const SQRegFunction _blob_methods[] = {
_DECL_BLOB_FUNC(constructor,-1,_SC("xn")),
_DECL_BLOB_FUNC(resize,2,_SC("xn")),
_DECL_BLOB_FUNC(swap2,1,_SC("x")),
_DECL_BLOB_FUNC(swap4,1,_SC("x")),
_DECL_BLOB_FUNC(_set,3,_SC("xnn")),
_DECL_BLOB_FUNC(_get,2,_SC("x.")),
_DECL_BLOB_FUNC(_typeof,1,_SC("x")),
_DECL_BLOB_FUNC(_nexti,2,_SC("x")),
_DECL_BLOB_FUNC(_cloned,2,_SC("xx")),
{NULL,(SQFUNCTION)0,0,NULL}
};
//GLOBAL FUNCTIONS
static SQInteger _g_blob_casti2f(HSQUIRRELVM v)
{
SQInteger i;
sq_getinteger(v,2,&i);
sq_pushfloat(v,*((const SQFloat *)&i));
return 1;
}
static SQInteger _g_blob_castf2i(HSQUIRRELVM v)
{
SQFloat f;
sq_getfloat(v,2,&f);
sq_pushinteger(v,*((const SQInteger *)&f));
return 1;
}
static SQInteger _g_blob_swap2(HSQUIRRELVM v)
{
SQInteger i;
sq_getinteger(v,2,&i);
short s=(short)i;
sq_pushinteger(v,(s<<8)|((s>>8)&0x00FF));
return 1;
}
static SQInteger _g_blob_swap4(HSQUIRRELVM v)
{
SQInteger i;
sq_getinteger(v,2,&i);
unsigned int t4 = (unsigned int)i;
__swap_dword(&t4);
sq_pushinteger(v,(SQInteger)t4);
return 1;
}
static SQInteger _g_blob_swapfloat(HSQUIRRELVM v)
{
SQFloat f;
sq_getfloat(v,2,&f);
__swap_dword((unsigned int *)&f);
sq_pushfloat(v,f);
return 1;
}
#define _DECL_GLOBALBLOB_FUNC(name,nparams,typecheck) {_SC(#name),_g_blob_##name,nparams,typecheck}
static const SQRegFunction bloblib_funcs[]={
_DECL_GLOBALBLOB_FUNC(casti2f,2,_SC(".n")),
_DECL_GLOBALBLOB_FUNC(castf2i,2,_SC(".n")),
_DECL_GLOBALBLOB_FUNC(swap2,2,_SC(".n")),
_DECL_GLOBALBLOB_FUNC(swap4,2,_SC(".n")),
_DECL_GLOBALBLOB_FUNC(swapfloat,2,_SC(".n")),
{NULL,(SQFUNCTION)0,0,NULL}
};
SQRESULT sqstd_getblob(HSQUIRRELVM v,SQInteger idx,SQUserPointer *ptr)
{
SQBlob *blob;
if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG)))
return -1;
*ptr = blob->GetBuf();
return SQ_OK;
}
SQInteger sqstd_getblobsize(HSQUIRRELVM v,SQInteger idx)
{
SQBlob *blob;
if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG)))
return -1;
return blob->Len();
}
SQUserPointer sqstd_createblob(HSQUIRRELVM v, SQInteger size)
{
SQInteger top = sq_gettop(v);
sq_pushregistrytable(v);
sq_pushstring(v,_SC("std_blob"),-1);
if(SQ_SUCCEEDED(sq_get(v,-2))) {
sq_remove(v,-2); //removes the registry
sq_push(v,1); // push the this
sq_pushinteger(v,size); //size
SQBlob *blob = NULL;
if(SQ_SUCCEEDED(sq_call(v,2,SQTrue,SQFalse))
&& SQ_SUCCEEDED(sq_getinstanceup(v,-1,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) {
sq_remove(v,-2);
return blob->GetBuf();
}
}
sq_settop(v,top);
return NULL;
}
SQRESULT sqstd_register_bloblib(HSQUIRRELVM v)
{
return declare_stream(v,_SC("blob"),(SQUserPointer)SQSTD_BLOB_TYPE_TAG,_SC("std_blob"),_blob_methods,bloblib_funcs);
}

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/* see copyright notice in squirrel.h */
#ifndef _SQSTD_BLOBIMPL_H_
#define _SQSTD_BLOBIMPL_H_
struct SQBlob : public SQStream
{
SQBlob(SQInteger size) {
_size = size;
_allocated = size;
_buf = (unsigned char *)sq_malloc(size);
memset(_buf, 0, _size);
_ptr = 0;
_owns = true;
}
virtual ~SQBlob() {
sq_free(_buf, _allocated);
}
SQInteger Write(void *buffer, SQInteger size) {
if(!CanAdvance(size)) {
GrowBufOf(_ptr + size - _size);
}
memcpy(&_buf[_ptr], buffer, size);
_ptr += size;
return size;
}
SQInteger Read(void *buffer,SQInteger size) {
SQInteger n = size;
if(!CanAdvance(size)) {
if((_size - _ptr) > 0)
n = _size - _ptr;
else return 0;
}
memcpy(buffer, &_buf[_ptr], n);
_ptr += n;
return n;
}
bool Resize(SQInteger n) {
if(!_owns) return false;
if(n != _allocated) {
unsigned char *newbuf = (unsigned char *)sq_malloc(n);
memset(newbuf,0,n);
if(_size > n)
memcpy(newbuf,_buf,n);
else
memcpy(newbuf,_buf,_size);
sq_free(_buf,_allocated);
_buf=newbuf;
_allocated = n;
if(_size > _allocated)
_size = _allocated;
if(_ptr > _allocated)
_ptr = _allocated;
}
return true;
}
bool GrowBufOf(SQInteger n)
{
bool ret = true;
if(_size + n > _allocated) {
if(_size + n > _size * 2)
ret = Resize(_size + n);
else
ret = Resize(_size * 2);
}
_size = _size + n;
return ret;
}
bool CanAdvance(SQInteger n) {
if(_ptr+n>_size)return false;
return true;
}
SQInteger Seek(SQInteger offset, SQInteger origin) {
switch(origin) {
case SQ_SEEK_SET:
if(offset > _size || offset < 0) return -1;
_ptr = offset;
break;
case SQ_SEEK_CUR:
if(_ptr + offset > _size || _ptr + offset < 0) return -1;
_ptr += offset;
break;
case SQ_SEEK_END:
if(_size + offset > _size || _size + offset < 0) return -1;
_ptr = _size + offset;
break;
default: return -1;
}
return 0;
}
bool IsValid() {
return _size == 0 || _buf?true:false;
}
bool EOS() {
return _ptr == _size;
}
SQInteger Flush() { return 0; }
SQInteger Tell() { return _ptr; }
SQInteger Len() { return _size; }
SQUserPointer GetBuf(){ return _buf; }
private:
SQInteger _size;
SQInteger _allocated;
SQInteger _ptr;
unsigned char *_buf;
bool _owns;
};
#endif //_SQSTD_BLOBIMPL_H_

489
squirrel/stdlib/sqstdio.cpp
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/* see copyright notice in squirrel.h */
#include <new>
#include <stdio.h>
#include <squirrel.h>
#include <sqstdio.h>
#include "sqstdstream.h"
#define SQSTD_FILE_TYPE_TAG ((SQUnsignedInteger)(SQSTD_STREAM_TYPE_TAG | 0x00000001))
//basic API
SQFILE sqstd_fopen(const SQChar *filename ,const SQChar *mode)
{
#ifndef SQUNICODE
return (SQFILE)fopen(filename,mode);
#else
return (SQFILE)_wfopen(filename,mode);
#endif
}
SQInteger sqstd_fread(void* buffer, SQInteger size, SQInteger count, SQFILE file)
{
SQInteger ret = (SQInteger)fread(buffer,size,count,(FILE *)file);
return ret;
}
SQInteger sqstd_fwrite(const SQUserPointer buffer, SQInteger size, SQInteger count, SQFILE file)
{
return (SQInteger)fwrite(buffer,size,count,(FILE *)file);
}
SQInteger sqstd_fseek(SQFILE file, SQInteger offset, SQInteger origin)
{
SQInteger realorigin;
switch(origin) {
case SQ_SEEK_CUR: realorigin = SEEK_CUR; break;
case SQ_SEEK_END: realorigin = SEEK_END; break;
case SQ_SEEK_SET: realorigin = SEEK_SET; break;
default: return -1; //failed
}
return fseek((FILE *)file,(long)offset,(int)realorigin);
}
SQInteger sqstd_ftell(SQFILE file)
{
return ftell((FILE *)file);
}
SQInteger sqstd_fflush(SQFILE file)
{
return fflush((FILE *)file);
}
SQInteger sqstd_fclose(SQFILE file)
{
return fclose((FILE *)file);
}
SQInteger sqstd_feof(SQFILE file)
{
return feof((FILE *)file);
}
//File
struct SQFile : public SQStream {
SQFile() { _handle = NULL; _owns = false;}
SQFile(SQFILE file, bool owns) { _handle = file; _owns = owns;}
virtual ~SQFile() { Close(); }
bool Open(const SQChar *filename ,const SQChar *mode) {
Close();
if( (_handle = sqstd_fopen(filename,mode)) ) {
_owns = true;
return true;
}
return false;
}
void Close() {
if(_handle && _owns) {
sqstd_fclose(_handle);
_handle = NULL;
_owns = false;
}
}
SQInteger Read(void *buffer,SQInteger size) {
return sqstd_fread(buffer,1,size,_handle);
}
SQInteger Write(void *buffer,SQInteger size) {
return sqstd_fwrite(buffer,1,size,_handle);
}
SQInteger Flush() {
return sqstd_fflush(_handle);
}
SQInteger Tell() {
return sqstd_ftell(_handle);
}
SQInteger Len() {
SQInteger prevpos=Tell();
Seek(0,SQ_SEEK_END);
SQInteger size=Tell();
Seek(prevpos,SQ_SEEK_SET);
return size;
}
SQInteger Seek(SQInteger offset, SQInteger origin) {
return sqstd_fseek(_handle,offset,origin);
}
bool IsValid() { return _handle?true:false; }
bool EOS() { return Tell()==Len()?true:false;}
SQFILE GetHandle() {return _handle;}
private:
SQFILE _handle;
bool _owns;
};
static SQInteger _file__typeof(HSQUIRRELVM v)
{
sq_pushstring(v,_SC("file"),-1);
return 1;
}
static SQInteger _file_releasehook(SQUserPointer p, SQInteger SQ_UNUSED_ARG(size))
{
SQFile *self = (SQFile*)p;
self->~SQFile();
sq_free(self,sizeof(SQFile));
return 1;
}
static SQInteger _file_constructor(HSQUIRRELVM v)
{
const SQChar *filename,*mode;
bool owns = true;
SQFile *f;
SQFILE newf;
if(sq_gettype(v,2) == OT_STRING && sq_gettype(v,3) == OT_STRING) {
sq_getstring(v, 2, &filename);
sq_getstring(v, 3, &mode);
newf = sqstd_fopen(filename, mode);
if(!newf) return sq_throwerror(v, _SC("cannot open file"));
} else if(sq_gettype(v,2) == OT_USERPOINTER) {
owns = !(sq_gettype(v,3) == OT_NULL);
sq_getuserpointer(v,2,&newf);
} else {
return sq_throwerror(v,_SC("wrong parameter"));
}
f = new (sq_malloc(sizeof(SQFile)))SQFile(newf,owns);
if(SQ_FAILED(sq_setinstanceup(v,1,f))) {
f->~SQFile();
sq_free(f,sizeof(SQFile));
return sq_throwerror(v, _SC("cannot create blob with negative size"));
}
sq_setreleasehook(v,1,_file_releasehook);
return 0;
}
static SQInteger _file_close(HSQUIRRELVM v)
{
SQFile *self = NULL;
if(SQ_SUCCEEDED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)SQSTD_FILE_TYPE_TAG))
&& self != NULL)
{
self->Close();
}
return 0;
}
//bindings
#define _DECL_FILE_FUNC(name,nparams,typecheck) {_SC(#name),_file_##name,nparams,typecheck}
static const SQRegFunction _file_methods[] = {
_DECL_FILE_FUNC(constructor,3,_SC("x")),
_DECL_FILE_FUNC(_typeof,1,_SC("x")),
_DECL_FILE_FUNC(close,1,_SC("x")),
{NULL,(SQFUNCTION)0,0,NULL}
};
SQRESULT sqstd_createfile(HSQUIRRELVM v, SQFILE file,SQBool own)
{
SQInteger top = sq_gettop(v);
sq_pushregistrytable(v);
sq_pushstring(v,_SC("std_file"),-1);
if(SQ_SUCCEEDED(sq_get(v,-2))) {
sq_remove(v,-2); //removes the registry
sq_pushroottable(v); // push the this
sq_pushuserpointer(v,file); //file
if(own){
sq_pushinteger(v,1); //true
}
else{
sq_pushnull(v); //false
}
if(SQ_SUCCEEDED( sq_call(v,3,SQTrue,SQFalse) )) {
sq_remove(v,-2);
return SQ_OK;
}
}
sq_settop(v,top);
return SQ_ERROR;
}
SQRESULT sqstd_getfile(HSQUIRRELVM v, SQInteger idx, SQFILE *file)
{
SQFile *fileobj = NULL;
if(SQ_SUCCEEDED(sq_getinstanceup(v,idx,(SQUserPointer*)&fileobj,(SQUserPointer)SQSTD_FILE_TYPE_TAG))) {
*file = fileobj->GetHandle();
return SQ_OK;
}
return sq_throwerror(v,_SC("not a file"));
}
#define IO_BUFFER_SIZE 2048
struct IOBuffer {
unsigned char buffer[IO_BUFFER_SIZE];
SQInteger size;
SQInteger ptr;
SQFILE file;
};
SQInteger _read_byte(IOBuffer *iobuffer)
{
if(iobuffer->ptr < iobuffer->size) {
SQInteger ret = iobuffer->buffer[iobuffer->ptr];
iobuffer->ptr++;
return ret;
}
else {
if( (iobuffer->size = sqstd_fread(iobuffer->buffer,1,IO_BUFFER_SIZE,iobuffer->file )) > 0 )
{
SQInteger ret = iobuffer->buffer[0];
iobuffer->ptr = 1;
return ret;
}
}
return 0;
}
SQInteger _read_two_bytes(IOBuffer *iobuffer)
{
if(iobuffer->ptr < iobuffer->size) {
if(iobuffer->size < 2) return 0;
SQInteger ret = *((const wchar_t*)&iobuffer->buffer[iobuffer->ptr]);
iobuffer->ptr += 2;
return ret;
}
else {
if( (iobuffer->size = sqstd_fread(iobuffer->buffer,1,IO_BUFFER_SIZE,iobuffer->file )) > 0 )
{
if(iobuffer->size < 2) return 0;
SQInteger ret = *((const wchar_t*)&iobuffer->buffer[0]);
iobuffer->ptr = 2;
return ret;
}
}
return 0;
}
static SQInteger _io_file_lexfeed_PLAIN(SQUserPointer iobuf)
{
IOBuffer *iobuffer = (IOBuffer *)iobuf;
return _read_byte(iobuffer);
}
#ifdef SQUNICODE
static SQInteger _io_file_lexfeed_UTF8(SQUserPointer iobuf)
{
IOBuffer *iobuffer = (IOBuffer *)iobuf;
#define READ(iobuf) \
if((inchar = (unsigned char)_read_byte(iobuf)) == 0) \
return 0;
static const SQInteger utf8_lengths[16] =
{
1,1,1,1,1,1,1,1, /* 0000 to 0111 : 1 byte (plain ASCII) */
0,0,0,0, /* 1000 to 1011 : not valid */
2,2, /* 1100, 1101 : 2 bytes */
3, /* 1110 : 3 bytes */
4 /* 1111 :4 bytes */
};
static const unsigned char byte_masks[5] = {0,0,0x1f,0x0f,0x07};
unsigned char inchar;
SQInteger c = 0;
READ(iobuffer);
c = inchar;
//
if(c >= 0x80) {
SQInteger tmp;
SQInteger codelen = utf8_lengths[c>>4];
if(codelen == 0)
return 0;
//"invalid UTF-8 stream";
tmp = c&byte_masks[codelen];
for(SQInteger n = 0; n < codelen-1; n++) {
tmp<<=6;
READ(iobuffer);
tmp |= inchar & 0x3F;
}
c = tmp;
}
return c;
}
#endif
static SQInteger _io_file_lexfeed_UCS2_LE(SQUserPointer iobuf)
{
SQInteger ret;
IOBuffer *iobuffer = (IOBuffer *)iobuf;
if( (ret = _read_two_bytes(iobuffer)) > 0 )
return ret;
return 0;
}
static SQInteger _io_file_lexfeed_UCS2_BE(SQUserPointer iobuf)
{
SQInteger c;
IOBuffer *iobuffer = (IOBuffer *)iobuf;
if( (c = _read_two_bytes(iobuffer)) > 0 ) {
c = ((c>>8)&0x00FF)| ((c<<8)&0xFF00);
return c;
}
return 0;
}
SQInteger file_read(SQUserPointer file,SQUserPointer buf,SQInteger size)
{
SQInteger ret;
if( ( ret = sqstd_fread(buf,1,size,(SQFILE)file ))!=0 )return ret;
return -1;
}
SQInteger file_write(SQUserPointer file,SQUserPointer p,SQInteger size)
{
return sqstd_fwrite(p,1,size,(SQFILE)file);
}
SQRESULT sqstd_loadfile(HSQUIRRELVM v,const SQChar *filename,SQBool printerror)
{
SQFILE file = sqstd_fopen(filename,_SC("rb"));
SQInteger ret;
unsigned short us;
unsigned char uc;
SQLEXREADFUNC func = _io_file_lexfeed_PLAIN;
if(file){
ret = sqstd_fread(&us,1,2,file);
if(ret != 2) {
//probably an empty file
us = 0;
}
if(us == SQ_BYTECODE_STREAM_TAG) { //BYTECODE
sqstd_fseek(file,0,SQ_SEEK_SET);
if(SQ_SUCCEEDED(sq_readclosure(v,file_read,file))) {
sqstd_fclose(file);
return SQ_OK;
}
}
else { //SCRIPT
switch(us)
{
//gotta swap the next 2 lines on BIG endian machines
case 0xFFFE: func = _io_file_lexfeed_UCS2_BE; break;//UTF-16 little endian;
case 0xFEFF: func = _io_file_lexfeed_UCS2_LE; break;//UTF-16 big endian;
case 0xBBEF:
if(sqstd_fread(&uc,1,sizeof(uc),file) == 0) {
sqstd_fclose(file);
return sq_throwerror(v,_SC("io error"));
}
if(uc != 0xBF) {
sqstd_fclose(file);
return sq_throwerror(v,_SC("Unrecognized encoding"));
}
#ifdef SQUNICODE
func = _io_file_lexfeed_UTF8;
#else
func = _io_file_lexfeed_PLAIN;
#endif
break;//UTF-8 ;
default: sqstd_fseek(file,0,SQ_SEEK_SET); break; // ascii
}
IOBuffer buffer;
buffer.ptr = 0;
buffer.size = 0;
buffer.file = file;
if(SQ_SUCCEEDED(sq_compile(v,func,&buffer,filename,printerror))){
sqstd_fclose(file);
return SQ_OK;
}
}
sqstd_fclose(file);
return SQ_ERROR;
}
return sq_throwerror(v,_SC("cannot open the file"));
}
SQRESULT sqstd_dofile(HSQUIRRELVM v,const SQChar *filename,SQBool retval,SQBool printerror)
{
//at least one entry must exist in order for us to push it as the environment
if(sq_gettop(v) == 0)
return sq_throwerror(v,_SC("environment table expected"));
if(SQ_SUCCEEDED(sqstd_loadfile(v,filename,printerror))) {
sq_push(v,-2);
if(SQ_SUCCEEDED(sq_call(v,1,retval,SQTrue))) {
sq_remove(v,retval?-2:-1); //removes the closure
return 1;
}
sq_pop(v,1); //removes the closure
}
return SQ_ERROR;
}
SQRESULT sqstd_writeclosuretofile(HSQUIRRELVM v,const SQChar *filename)
{
SQFILE file = sqstd_fopen(filename,_SC("wb+"));
if(!file) return sq_throwerror(v,_SC("cannot open the file"));
if(SQ_SUCCEEDED(sq_writeclosure(v,file_write,file))) {
sqstd_fclose(file);
return SQ_OK;
}
sqstd_fclose(file);
return SQ_ERROR; //forward the error
}
SQInteger _g_io_loadfile(HSQUIRRELVM v)
{
const SQChar *filename;
SQBool printerror = SQFalse;
sq_getstring(v,2,&filename);
if(sq_gettop(v) >= 3) {
sq_getbool(v,3,&printerror);
}
if(SQ_SUCCEEDED(sqstd_loadfile(v,filename,printerror)))
return 1;
return SQ_ERROR; //propagates the error
}
SQInteger _g_io_writeclosuretofile(HSQUIRRELVM v)
{
const SQChar *filename;
sq_getstring(v,2,&filename);
if(SQ_SUCCEEDED(sqstd_writeclosuretofile(v,filename)))
return 1;
return SQ_ERROR; //propagates the error
}
SQInteger _g_io_dofile(HSQUIRRELVM v)
{
const SQChar *filename;
SQBool printerror = SQFalse;
sq_getstring(v,2,&filename);
if(sq_gettop(v) >= 3) {
sq_getbool(v,3,&printerror);
}
sq_push(v,1); //repush the this
if(SQ_SUCCEEDED(sqstd_dofile(v,filename,SQTrue,printerror)))
return 1;
return SQ_ERROR; //propagates the error
}
#define _DECL_GLOBALIO_FUNC(name,nparams,typecheck) {_SC(#name),_g_io_##name,nparams,typecheck}
static const SQRegFunction iolib_funcs[]={
_DECL_GLOBALIO_FUNC(loadfile,-2,_SC(".sb")),
_DECL_GLOBALIO_FUNC(dofile,-2,_SC(".sb")),
_DECL_GLOBALIO_FUNC(writeclosuretofile,3,_SC(".sc")),
{NULL,(SQFUNCTION)0,0,NULL}
};
SQRESULT sqstd_register_iolib(HSQUIRRELVM v)
{
SQInteger top = sq_gettop(v);
//create delegate
declare_stream(v,_SC("file"),(SQUserPointer)SQSTD_FILE_TYPE_TAG,_SC("std_file"),_file_methods,iolib_funcs);
sq_pushstring(v,_SC("stdout"),-1);
sqstd_createfile(v,stdout,SQFalse);
sq_newslot(v,-3,SQFalse);
sq_pushstring(v,_SC("stdin"),-1);
sqstd_createfile(v,stdin,SQFalse);
sq_newslot(v,-3,SQFalse);
sq_pushstring(v,_SC("stderr"),-1);
sqstd_createfile(v,stderr,SQFalse);
sq_newslot(v,-3,SQFalse);
sq_settop(v,top);
return SQ_OK;
}

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squirrel/stdlib/sqstdmath.cpp
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/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <math.h>
#include <stdlib.h>
#include <sqstdmath.h>
#define SINGLE_ARG_FUNC(_funcname) static SQInteger math_##_funcname(HSQUIRRELVM v){ \
SQFloat f; \
sq_getfloat(v,2,&f); \
sq_pushfloat(v,(SQFloat)_funcname(f)); \
return 1; \
}
#define TWO_ARGS_FUNC(_funcname) static SQInteger math_##_funcname(HSQUIRRELVM v){ \
SQFloat p1,p2; \
sq_getfloat(v,2,&p1); \
sq_getfloat(v,3,&p2); \
sq_pushfloat(v,(SQFloat)_funcname(p1,p2)); \
return 1; \
}
static SQInteger math_srand(HSQUIRRELVM v)
{
SQInteger i;
if(SQ_FAILED(sq_getinteger(v,2,&i)))
return sq_throwerror(v,_SC("invalid param"));
srand((unsigned int)i);
return 0;
}
static SQInteger math_rand(HSQUIRRELVM v)
{
sq_pushinteger(v,rand());
return 1;
}
static SQInteger math_abs(HSQUIRRELVM v)
{
SQInteger n;
sq_getinteger(v,2,&n);
sq_pushinteger(v,(SQInteger)abs((int)n));
return 1;
}
SINGLE_ARG_FUNC(sqrt)
SINGLE_ARG_FUNC(fabs)
SINGLE_ARG_FUNC(sin)
SINGLE_ARG_FUNC(cos)
SINGLE_ARG_FUNC(asin)
SINGLE_ARG_FUNC(acos)
SINGLE_ARG_FUNC(log)
SINGLE_ARG_FUNC(log10)
SINGLE_ARG_FUNC(tan)
SINGLE_ARG_FUNC(atan)
TWO_ARGS_FUNC(atan2)
TWO_ARGS_FUNC(pow)
SINGLE_ARG_FUNC(floor)
SINGLE_ARG_FUNC(ceil)
SINGLE_ARG_FUNC(exp)
#define _DECL_FUNC(name,nparams,tycheck) {_SC(#name),math_##name,nparams,tycheck}
static const SQRegFunction mathlib_funcs[] = {
_DECL_FUNC(sqrt,2,_SC(".n")),
_DECL_FUNC(sin,2,_SC(".n")),
_DECL_FUNC(cos,2,_SC(".n")),
_DECL_FUNC(asin,2,_SC(".n")),
_DECL_FUNC(acos,2,_SC(".n")),
_DECL_FUNC(log,2,_SC(".n")),
_DECL_FUNC(log10,2,_SC(".n")),
_DECL_FUNC(tan,2,_SC(".n")),
_DECL_FUNC(atan,2,_SC(".n")),
_DECL_FUNC(atan2,3,_SC(".nn")),
_DECL_FUNC(pow,3,_SC(".nn")),
_DECL_FUNC(floor,2,_SC(".n")),
_DECL_FUNC(ceil,2,_SC(".n")),
_DECL_FUNC(exp,2,_SC(".n")),
_DECL_FUNC(srand,2,_SC(".n")),
_DECL_FUNC(rand,1,NULL),
_DECL_FUNC(fabs,2,_SC(".n")),
_DECL_FUNC(abs,2,_SC(".n")),
{NULL,(SQFUNCTION)0,0,NULL}
};
#undef _DECL_FUNC
#ifndef M_PI
#define M_PI (3.14159265358979323846)
#endif
SQRESULT sqstd_register_mathlib(HSQUIRRELVM v)
{
SQInteger i=0;
while(mathlib_funcs[i].name!=0) {
sq_pushstring(v,mathlib_funcs[i].name,-1);
sq_newclosure(v,mathlib_funcs[i].f,0);
sq_setparamscheck(v,mathlib_funcs[i].nparamscheck,mathlib_funcs[i].typemask);
sq_setnativeclosurename(v,-1,mathlib_funcs[i].name);
sq_newslot(v,-3,SQFalse);
i++;
}
sq_pushstring(v,_SC("RAND_MAX"),-1);
sq_pushinteger(v,RAND_MAX);
sq_newslot(v,-3,SQFalse);
sq_pushstring(v,_SC("PI"),-1);
sq_pushfloat(v,(SQFloat)M_PI);
sq_newslot(v,-3,SQFalse);
return SQ_OK;
}

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squirrel/stdlib/sqstdrex.cpp
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/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <string.h>
#include <ctype.h>
#include <setjmp.h>
#include <sqstdstring.h>
#ifdef _DEBUG
#include <stdio.h>
static const SQChar *g_nnames[] =
{
_SC("NONE"),_SC("OP_GREEDY"), _SC("OP_OR"),
_SC("OP_EXPR"),_SC("OP_NOCAPEXPR"),_SC("OP_DOT"), _SC("OP_CLASS"),
_SC("OP_CCLASS"),_SC("OP_NCLASS"),_SC("OP_RANGE"),_SC("OP_CHAR"),
_SC("OP_EOL"),_SC("OP_BOL"),_SC("OP_WB"),_SC("OP_MB")
};
#endif
#define OP_GREEDY (MAX_CHAR+1) // * + ? {n}
#define OP_OR (MAX_CHAR+2)
#define OP_EXPR (MAX_CHAR+3) //parentesis ()
#define OP_NOCAPEXPR (MAX_CHAR+4) //parentesis (?:)
#define OP_DOT (MAX_CHAR+5)
#define OP_CLASS (MAX_CHAR+6)
#define OP_CCLASS (MAX_CHAR+7)
#define OP_NCLASS (MAX_CHAR+8) //negates class the [^
#define OP_RANGE (MAX_CHAR+9)
#define OP_CHAR (MAX_CHAR+10)
#define OP_EOL (MAX_CHAR+11)
#define OP_BOL (MAX_CHAR+12)
#define OP_WB (MAX_CHAR+13)
#define OP_MB (MAX_CHAR+14) //match balanced
#define SQREX_SYMBOL_ANY_CHAR ('.')
#define SQREX_SYMBOL_GREEDY_ONE_OR_MORE ('+')
#define SQREX_SYMBOL_GREEDY_ZERO_OR_MORE ('*')
#define SQREX_SYMBOL_GREEDY_ZERO_OR_ONE ('?')
#define SQREX_SYMBOL_BRANCH ('|')
#define SQREX_SYMBOL_END_OF_STRING ('$')
#define SQREX_SYMBOL_BEGINNING_OF_STRING ('^')
#define SQREX_SYMBOL_ESCAPE_CHAR ('\\')
typedef int SQRexNodeType;
typedef struct tagSQRexNode{
SQRexNodeType type;
SQInteger left;
SQInteger right;
SQInteger next;
}SQRexNode;
struct SQRex{
const SQChar *_eol;
const SQChar *_bol;
const SQChar *_p;
SQInteger _first;
SQInteger _op;
SQRexNode *_nodes;
SQInteger _nallocated;
SQInteger _nsize;
SQInteger _nsubexpr;
SQRexMatch *_matches;
SQInteger _currsubexp;
void *_jmpbuf;
const SQChar **_error;
};
static SQInteger sqstd_rex_list(SQRex *exp);
static SQInteger sqstd_rex_newnode(SQRex *exp, SQRexNodeType type)
{
SQRexNode n;
n.type = type;
n.next = n.right = n.left = -1;
if(type == OP_EXPR)
n.right = exp->_nsubexpr++;
if(exp->_nallocated < (exp->_nsize + 1)) {
SQInteger oldsize = exp->_nallocated;
exp->_nallocated *= 2;
exp->_nodes = (SQRexNode *)sq_realloc(exp->_nodes, oldsize * sizeof(SQRexNode) ,exp->_nallocated * sizeof(SQRexNode));
}
exp->_nodes[exp->_nsize++] = n;
SQInteger newid = exp->_nsize - 1;
return (SQInteger)newid;
}
static void sqstd_rex_error(SQRex *exp,const SQChar *error)
{
if(exp->_error) *exp->_error = error;
longjmp(*((jmp_buf*)exp->_jmpbuf),-1);
}
static void sqstd_rex_expect(SQRex *exp, SQInteger n){
if((*exp->_p) != n)
sqstd_rex_error(exp, _SC("expected paren"));
exp->_p++;
}
static SQChar sqstd_rex_escapechar(SQRex *exp)
{
if(*exp->_p == SQREX_SYMBOL_ESCAPE_CHAR){
exp->_p++;
switch(*exp->_p) {
case 'v': exp->_p++; return '\v';
case 'n': exp->_p++; return '\n';
case 't': exp->_p++; return '\t';
case 'r': exp->_p++; return '\r';
case 'f': exp->_p++; return '\f';
default: return (*exp->_p++);
}
} else if(!scisprint(*exp->_p)) sqstd_rex_error(exp,_SC("letter expected"));
return (*exp->_p++);
}
static SQInteger sqstd_rex_charclass(SQRex *exp,SQInteger classid)
{
SQInteger n = sqstd_rex_newnode(exp,OP_CCLASS);
exp->_nodes[n].left = classid;
return n;
}
static SQInteger sqstd_rex_charnode(SQRex *exp,SQBool isclass)
{
SQChar t;
if(*exp->_p == SQREX_SYMBOL_ESCAPE_CHAR) {
exp->_p++;
switch(*exp->_p) {
case 'n': exp->_p++; return sqstd_rex_newnode(exp,'\n');
case 't': exp->_p++; return sqstd_rex_newnode(exp,'\t');
case 'r': exp->_p++; return sqstd_rex_newnode(exp,'\r');
case 'f': exp->_p++; return sqstd_rex_newnode(exp,'\f');
case 'v': exp->_p++; return sqstd_rex_newnode(exp,'\v');
case 'a': case 'A': case 'w': case 'W': case 's': case 'S':
case 'd': case 'D': case 'x': case 'X': case 'c': case 'C':
case 'p': case 'P': case 'l': case 'u':
{
t = *exp->_p; exp->_p++;
return sqstd_rex_charclass(exp,t);
}
case 'm':
{
SQChar cb, ce; //cb = character begin match ce = character end match
cb = *++exp->_p; //skip 'm'
ce = *++exp->_p;
exp->_p++; //points to the next char to be parsed
if ((!cb) || (!ce)) sqstd_rex_error(exp,_SC("balanced chars expected"));
if ( cb == ce ) sqstd_rex_error(exp,_SC("open/close char can't be the same"));
SQInteger node = sqstd_rex_newnode(exp,OP_MB);
exp->_nodes[node].left = cb;
exp->_nodes[node].right = ce;
return node;
}
case 0:
sqstd_rex_error(exp,_SC("letter expected for argument of escape sequence"));
break;
case 'b':
case 'B':
if(!isclass) {
SQInteger node = sqstd_rex_newnode(exp,OP_WB);
exp->_nodes[node].left = *exp->_p;
exp->_p++;
return node;
} //else default
default:
t = *exp->_p; exp->_p++;
return sqstd_rex_newnode(exp,t);
}
}
else if(!scisprint(*exp->_p)) {
sqstd_rex_error(exp,_SC("letter expected"));
}
t = *exp->_p; exp->_p++;
return sqstd_rex_newnode(exp,t);
}
static SQInteger sqstd_rex_class(SQRex *exp)
{
SQInteger ret = -1;
SQInteger first = -1,chain;
if(*exp->_p == SQREX_SYMBOL_BEGINNING_OF_STRING){
ret = sqstd_rex_newnode(exp,OP_NCLASS);
exp->_p++;
}else ret = sqstd_rex_newnode(exp,OP_CLASS);
if(*exp->_p == ']') sqstd_rex_error(exp,_SC("empty class"));
chain = ret;
while(*exp->_p != ']' && exp->_p != exp->_eol) {
if(*exp->_p == '-' && first != -1){
SQInteger r;
if(*exp->_p++ == ']') sqstd_rex_error(exp,_SC("unfinished range"));
r = sqstd_rex_newnode(exp,OP_RANGE);
if(exp->_nodes[first].type>*exp->_p) sqstd_rex_error(exp,_SC("invalid range"));
if(exp->_nodes[first].type == OP_CCLASS) sqstd_rex_error(exp,_SC("cannot use character classes in ranges"));
exp->_nodes[r].left = exp->_nodes[first].type;
SQInteger t = sqstd_rex_escapechar(exp);
exp->_nodes[r].right = t;
exp->_nodes[chain].next = r;
chain = r;
first = -1;
}
else{
if(first!=-1){
SQInteger c = first;
exp->_nodes[chain].next = c;
chain = c;
first = sqstd_rex_charnode(exp,SQTrue);
}
else{
first = sqstd_rex_charnode(exp,SQTrue);
}
}
}
if(first!=-1){
SQInteger c = first;
exp->_nodes[chain].next = c;
}
/* hack? */
exp->_nodes[ret].left = exp->_nodes[ret].next;
exp->_nodes[ret].next = -1;
return ret;
}
static SQInteger sqstd_rex_parsenumber(SQRex *exp)
{
SQInteger ret = *exp->_p-'0';
SQInteger positions = 10;
exp->_p++;
while(isdigit(*exp->_p)) {
ret = ret*10+(*exp->_p++-'0');
if(positions==1000000000) sqstd_rex_error(exp,_SC("overflow in numeric constant"));
positions *= 10;
};
return ret;
}
static SQInteger sqstd_rex_element(SQRex *exp)
{
SQInteger ret = -1;
switch(*exp->_p)
{
case '(': {
SQInteger expr;
exp->_p++;
if(*exp->_p =='?') {
exp->_p++;
sqstd_rex_expect(exp,':');
expr = sqstd_rex_newnode(exp,OP_NOCAPEXPR);
}
else
expr = sqstd_rex_newnode(exp,OP_EXPR);
SQInteger newn = sqstd_rex_list(exp);
exp->_nodes[expr].left = newn;
ret = expr;
sqstd_rex_expect(exp,')');
}
break;
case '[':
exp->_p++;
ret = sqstd_rex_class(exp);
sqstd_rex_expect(exp,']');
break;
case SQREX_SYMBOL_END_OF_STRING: exp->_p++; ret = sqstd_rex_newnode(exp,OP_EOL);break;
case SQREX_SYMBOL_ANY_CHAR: exp->_p++; ret = sqstd_rex_newnode(exp,OP_DOT);break;
default:
ret = sqstd_rex_charnode(exp,SQFalse);
break;
}
SQBool isgreedy = SQFalse;
unsigned short p0 = 0, p1 = 0;
switch(*exp->_p){
case SQREX_SYMBOL_GREEDY_ZERO_OR_MORE: p0 = 0; p1 = 0xFFFF; exp->_p++; isgreedy = SQTrue; break;
case SQREX_SYMBOL_GREEDY_ONE_OR_MORE: p0 = 1; p1 = 0xFFFF; exp->_p++; isgreedy = SQTrue; break;
case SQREX_SYMBOL_GREEDY_ZERO_OR_ONE: p0 = 0; p1 = 1; exp->_p++; isgreedy = SQTrue; break;
case '{':
exp->_p++;
if(!isdigit(*exp->_p)) sqstd_rex_error(exp,_SC("number expected"));
p0 = (unsigned short)sqstd_rex_parsenumber(exp);
/*******************************/
switch(*exp->_p) {
case '}':
p1 = p0; exp->_p++;
break;
case ',':
exp->_p++;
p1 = 0xFFFF;
if(isdigit(*exp->_p)){
p1 = (unsigned short)sqstd_rex_parsenumber(exp);
}
sqstd_rex_expect(exp,'}');
break;
default:
sqstd_rex_error(exp,_SC(", or } expected"));
}
/*******************************/
isgreedy = SQTrue;
break;
}
if(isgreedy) {
SQInteger nnode = sqstd_rex_newnode(exp,OP_GREEDY);
exp->_nodes[nnode].left = ret;
exp->_nodes[nnode].right = ((p0)<<16)|p1;
ret = nnode;
}
if((*exp->_p != SQREX_SYMBOL_BRANCH) && (*exp->_p != ')') && (*exp->_p != SQREX_SYMBOL_GREEDY_ZERO_OR_MORE) && (*exp->_p != SQREX_SYMBOL_GREEDY_ONE_OR_MORE) && (*exp->_p != '\0')) {
SQInteger nnode = sqstd_rex_element(exp);
exp->_nodes[ret].next = nnode;
}
return ret;
}
static SQInteger sqstd_rex_list(SQRex *exp)
{
SQInteger ret=-1,e;
if(*exp->_p == SQREX_SYMBOL_BEGINNING_OF_STRING) {
exp->_p++;
ret = sqstd_rex_newnode(exp,OP_BOL);
}
e = sqstd_rex_element(exp);
if(ret != -1) {
exp->_nodes[ret].next = e;
}
else ret = e;
if(*exp->_p == SQREX_SYMBOL_BRANCH) {
SQInteger temp,tright;
exp->_p++;
temp = sqstd_rex_newnode(exp,OP_OR);
exp->_nodes[temp].left = ret;
tright = sqstd_rex_list(exp);
exp->_nodes[temp].right = tright;
ret = temp;
}
return ret;
}
static SQBool sqstd_rex_matchcclass(SQInteger cclass,SQChar c)
{
switch(cclass) {
case 'a': return isalpha(c)?SQTrue:SQFalse;
case 'A': return !isalpha(c)?SQTrue:SQFalse;
case 'w': return (isalnum(c) || c == '_')?SQTrue:SQFalse;
case 'W': return (!isalnum(c) && c != '_')?SQTrue:SQFalse;
case 's': return isspace(c)?SQTrue:SQFalse;
case 'S': return !isspace(c)?SQTrue:SQFalse;
case 'd': return isdigit(c)?SQTrue:SQFalse;
case 'D': return !isdigit(c)?SQTrue:SQFalse;
case 'x': return isxdigit(c)?SQTrue:SQFalse;
case 'X': return !isxdigit(c)?SQTrue:SQFalse;
case 'c': return iscntrl(c)?SQTrue:SQFalse;
case 'C': return !iscntrl(c)?SQTrue:SQFalse;
case 'p': return ispunct(c)?SQTrue:SQFalse;
case 'P': return !ispunct(c)?SQTrue:SQFalse;
case 'l': return islower(c)?SQTrue:SQFalse;
case 'u': return isupper(c)?SQTrue:SQFalse;
}
return SQFalse; /*cannot happen*/
}
static SQBool sqstd_rex_matchclass(SQRex* exp,SQRexNode *node,SQChar c)
{
do {
switch(node->type) {
case OP_RANGE:
if(c >= node->left && c <= node->right) return SQTrue;
break;
case OP_CCLASS:
if(sqstd_rex_matchcclass(node->left,c)) return SQTrue;
break;
default:
if(c == node->type)return SQTrue;
}
} while((node->next != -1) && (node = &exp->_nodes[node->next]));
return SQFalse;
}
static const SQChar *sqstd_rex_matchnode(SQRex* exp,SQRexNode *node,const SQChar *str,SQRexNode *next)
{
SQRexNodeType type = node->type;
switch(type) {
case OP_GREEDY: {
//SQRexNode *greedystop = (node->next != -1) ? &exp->_nodes[node->next] : NULL;
SQRexNode *greedystop = NULL;
SQInteger p0 = (node->right >> 16)&0x0000FFFF, p1 = node->right&0x0000FFFF, nmaches = 0;
const SQChar *s=str, *good = str;
if(node->next != -1) {
greedystop = &exp->_nodes[node->next];
}
else {
greedystop = next;
}
while((nmaches == 0xFFFF || nmaches < p1)) {
const SQChar *stop;
if(!(s = sqstd_rex_matchnode(exp,&exp->_nodes[node->left],s,greedystop)))
break;
nmaches++;
good=s;
if(greedystop) {
//checks that 0 matches satisfy the expression(if so skips)
//if not would always stop(for instance if is a '?')
if(greedystop->type != OP_GREEDY ||
(greedystop->type == OP_GREEDY && ((greedystop->right >> 16)&0x0000FFFF) != 0))
{
SQRexNode *gnext = NULL;
if(greedystop->next != -1) {
gnext = &exp->_nodes[greedystop->next];
}else if(next && next->next != -1){
gnext = &exp->_nodes[next->next];
}
stop = sqstd_rex_matchnode(exp,greedystop,s,gnext);
if(stop) {
//if satisfied stop it
if(p0 == p1 && p0 == nmaches) break;
else if(nmaches >= p0 && p1 == 0xFFFF) break;
else if(nmaches >= p0 && nmaches <= p1) break;
}
}
}
if(s >= exp->_eol)
break;
}
if(p0 == p1 && p0 == nmaches) return good;
else if(nmaches >= p0 && p1 == 0xFFFF) return good;
else if(nmaches >= p0 && nmaches <= p1) return good;
return NULL;
}
case OP_OR: {
const SQChar *asd = str;
SQRexNode *temp=&exp->_nodes[node->left];
while( (asd = sqstd_rex_matchnode(exp,temp,asd,NULL)) ) {
if(temp->next != -1)
temp = &exp->_nodes[temp->next];
else
return asd;
}
asd = str;
temp = &exp->_nodes[node->right];
while( (asd = sqstd_rex_matchnode(exp,temp,asd,NULL)) ) {
if(temp->next != -1)
temp = &exp->_nodes[temp->next];
else
return asd;
}
return NULL;
break;
}
case OP_EXPR:
case OP_NOCAPEXPR:{
SQRexNode *n = &exp->_nodes[node->left];
const SQChar *cur = str;
SQInteger capture = -1;
if(node->type != OP_NOCAPEXPR && node->right == exp->_currsubexp) {
capture = exp->_currsubexp;
exp->_matches[capture].begin = cur;
exp->_currsubexp++;
}
SQInteger tempcap = exp->_currsubexp;
do {
SQRexNode *subnext = NULL;
if(n->next != -1) {
subnext = &exp->_nodes[n->next];
}else {
subnext = next;
}
if(!(cur = sqstd_rex_matchnode(exp,n,cur,subnext))) {
if(capture != -1){
exp->_matches[capture].begin = 0;
exp->_matches[capture].len = 0;
}
return NULL;
}
} while((n->next != -1) && (n = &exp->_nodes[n->next]));
exp->_currsubexp = tempcap;
if(capture != -1)
exp->_matches[capture].len = cur - exp->_matches[capture].begin;
return cur;
}
case OP_WB:
if((str == exp->_bol && !isspace(*str))
|| (str == exp->_eol && !isspace(*(str-1)))
|| (!isspace(*str) && isspace(*(str+1)))
|| (isspace(*str) && !isspace(*(str+1))) ) {
return (node->left == 'b')?str:NULL;
}
return (node->left == 'b')?NULL:str;
case OP_BOL:
if(str == exp->_bol) return str;
return NULL;
case OP_EOL:
if(str == exp->_eol) return str;
return NULL;
case OP_DOT:{
if (str == exp->_eol) return NULL;
str++;
}
return str;
case OP_NCLASS:
case OP_CLASS:
if (str == exp->_eol) return NULL;
if(sqstd_rex_matchclass(exp,&exp->_nodes[node->left],*str)?(type == OP_CLASS?SQTrue:SQFalse):(type == OP_NCLASS?SQTrue:SQFalse)) {
str++;
return str;
}
return NULL;
case OP_CCLASS:
if (str == exp->_eol) return NULL;
if(sqstd_rex_matchcclass(node->left,*str)) {
str++;
return str;
}
return NULL;
case OP_MB:
{
SQInteger cb = node->left; //char that opens a balanced expression
if(*str != cb) return NULL; // string doesnt start with open char
SQInteger ce = node->right; //char that closes a balanced expression
SQInteger cont = 1;
const SQChar *streol = exp->_eol;
while (++str < streol) {
if (*str == ce) {
if (--cont == 0) {
return ++str;
}
}
else if (*str == cb) cont++;
}
}
return NULL; // string ends out of balance
default: /* char */
if (str == exp->_eol) return NULL;
if(*str != node->type) return NULL;
str++;
return str;
}
return NULL;
}
/* public api */
SQRex *sqstd_rex_compile(const SQChar *pattern,const SQChar **error)
{
SQRex * volatile exp = (SQRex *)sq_malloc(sizeof(SQRex)); // "volatile" is needed for setjmp()
exp->_eol = exp->_bol = NULL;
exp->_p = pattern;
exp->_nallocated = (SQInteger)scstrlen(pattern) * sizeof(SQChar);
exp->_nodes = (SQRexNode *)sq_malloc(exp->_nallocated * sizeof(SQRexNode));
exp->_nsize = 0;
exp->_matches = 0;
exp->_nsubexpr = 0;
exp->_first = sqstd_rex_newnode(exp,OP_EXPR);
exp->_error = error;
exp->_jmpbuf = sq_malloc(sizeof(jmp_buf));
if(setjmp(*((jmp_buf*)exp->_jmpbuf)) == 0) {
SQInteger res = sqstd_rex_list(exp);
exp->_nodes[exp->_first].left = res;
if(*exp->_p!='\0')
sqstd_rex_error(exp,_SC("unexpected character"));
#ifdef _DEBUG
{
SQInteger nsize,i;
SQRexNode *t;
nsize = exp->_nsize;
t = &exp->_nodes[0];
scprintf(_SC("\n"));
for(i = 0;i < nsize; i++) {
if(exp->_nodes[i].type>MAX_CHAR)
scprintf(_SC("[%02d] %10s "), (SQInt32)i,g_nnames[exp->_nodes[i].type-MAX_CHAR]);
else
scprintf(_SC("[%02d] %10c "), (SQInt32)i,exp->_nodes[i].type);
scprintf(_SC("left %02d right %02d next %02d\n"), (SQInt32)exp->_nodes[i].left, (SQInt32)exp->_nodes[i].right, (SQInt32)exp->_nodes[i].next);
}
scprintf(_SC("\n"));
}
#endif
exp->_matches = (SQRexMatch *) sq_malloc(exp->_nsubexpr * sizeof(SQRexMatch));
memset(exp->_matches,0,exp->_nsubexpr * sizeof(SQRexMatch));
}
else{
sqstd_rex_free(exp);
return NULL;
}
return exp;
}
void sqstd_rex_free(SQRex *exp)
{
if(exp) {
if(exp->_nodes) sq_free(exp->_nodes,exp->_nallocated * sizeof(SQRexNode));
if(exp->_jmpbuf) sq_free(exp->_jmpbuf,sizeof(jmp_buf));
if(exp->_matches) sq_free(exp->_matches,exp->_nsubexpr * sizeof(SQRexMatch));
sq_free(exp,sizeof(SQRex));
}
}
SQBool sqstd_rex_match(SQRex* exp,const SQChar* text)
{
const SQChar* res = NULL;
exp->_bol = text;
exp->_eol = text + scstrlen(text);
exp->_currsubexp = 0;
res = sqstd_rex_matchnode(exp,exp->_nodes,text,NULL);
if(res == NULL || res != exp->_eol)
return SQFalse;
return SQTrue;
}
SQBool sqstd_rex_searchrange(SQRex* exp,const SQChar* text_begin,const SQChar* text_end,const SQChar** out_begin, const SQChar** out_end)
{
const SQChar *cur = NULL;
SQInteger node = exp->_first;
if(text_begin >= text_end) return SQFalse;
exp->_bol = text_begin;
exp->_eol = text_end;
do {
cur = text_begin;
while(node != -1) {
exp->_currsubexp = 0;
cur = sqstd_rex_matchnode(exp,&exp->_nodes[node],cur,NULL);
if(!cur)
break;
node = exp->_nodes[node].next;
}
text_begin++;
} while(cur == NULL && text_begin != text_end);
if(cur == NULL)
return SQFalse;
--text_begin;
if(out_begin) *out_begin = text_begin;
if(out_end) *out_end = cur;
return SQTrue;
}
SQBool sqstd_rex_search(SQRex* exp,const SQChar* text, const SQChar** out_begin, const SQChar** out_end)
{
return sqstd_rex_searchrange(exp,text,text + scstrlen(text),out_begin,out_end);
}
SQInteger sqstd_rex_getsubexpcount(SQRex* exp)
{
return exp->_nsubexpr;
}
SQBool sqstd_rex_getsubexp(SQRex* exp, SQInteger n, SQRexMatch *subexp)
{
if( n<0 || n >= exp->_nsubexpr) return SQFalse;
*subexp = exp->_matches[n];
return SQTrue;
}

336
squirrel/stdlib/sqstdstream.cpp
View File

@ -1,336 +0,0 @@
/* see copyright notice in squirrel.h */
#include <new>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <squirrel.h>
#include <sqstdio.h>
#include <sqstdblob.h>
#include "sqstdstream.h"
#include "sqstdblobimpl.h"
#define SETUP_STREAM(v) \
SQStream *self = NULL; \
if(SQ_FAILED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)((SQUnsignedInteger)SQSTD_STREAM_TYPE_TAG)))) \
return sq_throwerror(v,_SC("invalid type tag")); \
if(!self || !self->IsValid()) \
return sq_throwerror(v,_SC("the stream is invalid"));
SQInteger _stream_readblob(HSQUIRRELVM v)
{
SETUP_STREAM(v);
SQUserPointer data,blobp;
SQInteger size,res;
sq_getinteger(v,2,&size);
if(size > self->Len()) {
size = self->Len();
}
data = sq_getscratchpad(v,size);
res = self->Read(data,size);
if(res <= 0)
return sq_throwerror(v,_SC("no data left to read"));
blobp = sqstd_createblob(v,res);
memcpy(blobp,data,res);
return 1;
}
#define SAFE_READN(ptr,len) { \
if(self->Read(ptr,len) != len) return sq_throwerror(v,_SC("io error")); \
}
SQInteger _stream_readn(HSQUIRRELVM v)
{
SETUP_STREAM(v);
SQInteger format;
sq_getinteger(v, 2, &format);
switch(format) {
case 'l': {
SQInteger i;
SAFE_READN(&i, sizeof(i));
sq_pushinteger(v, i);
}
break;
case 'i': {
SQInt32 i;
SAFE_READN(&i, sizeof(i));
sq_pushinteger(v, i);
}
break;
case 's': {
short s;
SAFE_READN(&s, sizeof(short));
sq_pushinteger(v, s);
}
break;
case 'w': {
unsigned short w;
SAFE_READN(&w, sizeof(unsigned short));
sq_pushinteger(v, w);
}
break;
case 'c': {
char c;
SAFE_READN(&c, sizeof(char));
sq_pushinteger(v, c);
}
break;
case 'b': {
unsigned char c;
SAFE_READN(&c, sizeof(unsigned char));
sq_pushinteger(v, c);
}
break;
case 'f': {
float f;
SAFE_READN(&f, sizeof(float));
sq_pushfloat(v, f);
}
break;
case 'd': {
double d;
SAFE_READN(&d, sizeof(double));
sq_pushfloat(v, (SQFloat)d);
}
break;
default:
return sq_throwerror(v, _SC("invalid format"));
}
return 1;
}
SQInteger _stream_writeblob(HSQUIRRELVM v)
{
SQUserPointer data;
SQInteger size;
SETUP_STREAM(v);
if(SQ_FAILED(sqstd_getblob(v,2,&data)))
return sq_throwerror(v,_SC("invalid parameter"));
size = sqstd_getblobsize(v,2);
if(self->Write(data,size) != size)
return sq_throwerror(v,_SC("io error"));
sq_pushinteger(v,size);
return 1;
}
SQInteger _stream_writen(HSQUIRRELVM v)
{
SETUP_STREAM(v);
SQInteger format, ti;
SQFloat tf;
sq_getinteger(v, 3, &format);
switch(format) {
case 'l': {
SQInteger i;
sq_getinteger(v, 2, &ti);
i = ti;
self->Write(&i, sizeof(SQInteger));
}
break;
case 'i': {
SQInt32 i;
sq_getinteger(v, 2, &ti);
i = (SQInt32)ti;
self->Write(&i, sizeof(SQInt32));
}
break;
case 's': {
short s;
sq_getinteger(v, 2, &ti);
s = (short)ti;
self->Write(&s, sizeof(short));
}
break;
case 'w': {
unsigned short w;
sq_getinteger(v, 2, &ti);
w = (unsigned short)ti;
self->Write(&w, sizeof(unsigned short));
}
break;
case 'c': {
char c;
sq_getinteger(v, 2, &ti);
c = (char)ti;
self->Write(&c, sizeof(char));
}
break;
case 'b': {
unsigned char b;
sq_getinteger(v, 2, &ti);
b = (unsigned char)ti;
self->Write(&b, sizeof(unsigned char));
}
break;
case 'f': {
float f;
sq_getfloat(v, 2, &tf);
f = (float)tf;
self->Write(&f, sizeof(float));
}
break;
case 'd': {
double d;
sq_getfloat(v, 2, &tf);
d = tf;
self->Write(&d, sizeof(double));
}
break;
default:
return sq_throwerror(v, _SC("invalid format"));
}
return 0;
}
SQInteger _stream_seek(HSQUIRRELVM v)
{
SETUP_STREAM(v);
SQInteger offset, origin = SQ_SEEK_SET;
sq_getinteger(v, 2, &offset);
if(sq_gettop(v) > 2) {
SQInteger t;
sq_getinteger(v, 3, &t);
switch(t) {
case 'b': origin = SQ_SEEK_SET; break;
case 'c': origin = SQ_SEEK_CUR; break;
case 'e': origin = SQ_SEEK_END; break;
default: return sq_throwerror(v,_SC("invalid origin"));
}
}
sq_pushinteger(v, self->Seek(offset, origin));
return 1;
}
SQInteger _stream_tell(HSQUIRRELVM v)
{
SETUP_STREAM(v);
sq_pushinteger(v, self->Tell());
return 1;
}
SQInteger _stream_len(HSQUIRRELVM v)
{
SETUP_STREAM(v);
sq_pushinteger(v, self->Len());
return 1;
}
SQInteger _stream_flush(HSQUIRRELVM v)
{
SETUP_STREAM(v);
if(!self->Flush())
sq_pushinteger(v, 1);
else
sq_pushnull(v);
return 1;
}
SQInteger _stream_eos(HSQUIRRELVM v)
{
SETUP_STREAM(v);
if(self->EOS())
sq_pushinteger(v, 1);
else
sq_pushnull(v);
return 1;
}
SQInteger _stream__cloned(HSQUIRRELVM v)
{
return sq_throwerror(v,_SC("this object cannot be cloned"));
}
static const SQRegFunction _stream_methods[] = {
_DECL_STREAM_FUNC(readblob,2,_SC("xn")),
_DECL_STREAM_FUNC(readn,2,_SC("xn")),
_DECL_STREAM_FUNC(writeblob,-2,_SC("xx")),
_DECL_STREAM_FUNC(writen,3,_SC("xnn")),
_DECL_STREAM_FUNC(seek,-2,_SC("xnn")),
_DECL_STREAM_FUNC(tell,1,_SC("x")),
_DECL_STREAM_FUNC(len,1,_SC("x")),
_DECL_STREAM_FUNC(eos,1,_SC("x")),
_DECL_STREAM_FUNC(flush,1,_SC("x")),
_DECL_STREAM_FUNC(_cloned,0,NULL),
{NULL,(SQFUNCTION)0,0,NULL}
};
void init_streamclass(HSQUIRRELVM v)
{
sq_pushregistrytable(v);
sq_pushstring(v,_SC("std_stream"),-1);
if(SQ_FAILED(sq_get(v,-2))) {
sq_pushstring(v,_SC("std_stream"),-1);
sq_newclass(v,SQFalse);
sq_settypetag(v,-1,(SQUserPointer)((SQUnsignedInteger)SQSTD_STREAM_TYPE_TAG));
SQInteger i = 0;
while(_stream_methods[i].name != 0) {
const SQRegFunction &f = _stream_methods[i];
sq_pushstring(v,f.name,-1);
sq_newclosure(v,f.f,0);
sq_setparamscheck(v,f.nparamscheck,f.typemask);
sq_newslot(v,-3,SQFalse);
i++;
}
sq_newslot(v,-3,SQFalse);
sq_pushroottable(v);
sq_pushstring(v,_SC("stream"),-1);
sq_pushstring(v,_SC("std_stream"),-1);
sq_get(v,-4);
sq_newslot(v,-3,SQFalse);
sq_pop(v,1);
}
else {
sq_pop(v,1); //result
}
sq_pop(v,1);
}
SQRESULT declare_stream(HSQUIRRELVM v,const SQChar* name,SQUserPointer typetag,const SQChar* reg_name,const SQRegFunction *methods,const SQRegFunction *globals)
{
if(sq_gettype(v,-1) != OT_TABLE)
return sq_throwerror(v,_SC("table expected"));
SQInteger top = sq_gettop(v);
//create delegate
init_streamclass(v);
sq_pushregistrytable(v);
sq_pushstring(v,reg_name,-1);
sq_pushstring(v,_SC("std_stream"),-1);
if(SQ_SUCCEEDED(sq_get(v,-3))) {
sq_newclass(v,SQTrue);
sq_settypetag(v,-1,typetag);
SQInteger i = 0;
while(methods[i].name != 0) {
const SQRegFunction &f = methods[i];
sq_pushstring(v,f.name,-1);
sq_newclosure(v,f.f,0);
sq_setparamscheck(v,f.nparamscheck,f.typemask);
sq_setnativeclosurename(v,-1,f.name);
sq_newslot(v,-3,SQFalse);
i++;
}
sq_newslot(v,-3,SQFalse);
sq_pop(v,1);
i = 0;
while(globals[i].name!=0)
{
const SQRegFunction &f = globals[i];
sq_pushstring(v,f.name,-1);
sq_newclosure(v,f.f,0);
sq_setparamscheck(v,f.nparamscheck,f.typemask);
sq_setnativeclosurename(v,-1,f.name);
sq_newslot(v,-3,SQFalse);
i++;
}
//register the class in the target table
sq_pushstring(v,name,-1);
sq_pushregistrytable(v);
sq_pushstring(v,reg_name,-1);
sq_get(v,-2);
sq_remove(v,-2);
sq_newslot(v,-3,SQFalse);
sq_settop(v,top);
return SQ_OK;
}
sq_settop(v,top);
return SQ_ERROR;
}

18
squirrel/stdlib/sqstdstream.h
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@ -1,18 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQSTD_STREAM_H_
#define _SQSTD_STREAM_H_
SQInteger _stream_readblob(HSQUIRRELVM v);
SQInteger _stream_readline(HSQUIRRELVM v);
SQInteger _stream_readn(HSQUIRRELVM v);
SQInteger _stream_writeblob(HSQUIRRELVM v);
SQInteger _stream_writen(HSQUIRRELVM v);
SQInteger _stream_seek(HSQUIRRELVM v);
SQInteger _stream_tell(HSQUIRRELVM v);
SQInteger _stream_len(HSQUIRRELVM v);
SQInteger _stream_eos(HSQUIRRELVM v);
SQInteger _stream_flush(HSQUIRRELVM v);
#define _DECL_STREAM_FUNC(name,nparams,typecheck) {_SC(#name),_stream_##name,nparams,typecheck}
SQRESULT declare_stream(HSQUIRRELVM v,const SQChar* name,SQUserPointer typetag,const SQChar* reg_name,const SQRegFunction *methods,const SQRegFunction *globals);
#endif /*_SQSTD_STREAM_H_*/

538
squirrel/stdlib/sqstdstring.cpp
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@ -1,538 +0,0 @@
/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <sqstdstring.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <assert.h>
#include <stdarg.h>
#define MAX_FORMAT_LEN 20
#define MAX_WFORMAT_LEN 3
#define ADDITIONAL_FORMAT_SPACE (100*sizeof(SQChar))
static SQBool isfmtchr(SQChar ch)
{
switch(ch) {
case '-': case '+': case ' ': case '#': case '0': return SQTrue;
}
return SQFalse;
}
static SQInteger validate_format(HSQUIRRELVM v, SQChar *fmt, const SQChar *src, SQInteger n,SQInteger &width)
{
SQChar *dummy;
SQChar swidth[MAX_WFORMAT_LEN];
SQInteger wc = 0;
SQInteger start = n;
fmt[0] = '%';
while (isfmtchr(src[n])) n++;
while (scisdigit(src[n])) {
swidth[wc] = src[n];
n++;
wc++;
if(wc>=MAX_WFORMAT_LEN)
return sq_throwerror(v,_SC("width format too long"));
}
swidth[wc] = '\0';
if(wc > 0) {
width = scstrtol(swidth,&dummy,10);
}
else
width = 0;
if (src[n] == '.') {
n++;
wc = 0;
while (scisdigit(src[n])) {
swidth[wc] = src[n];
n++;
wc++;
if(wc>=MAX_WFORMAT_LEN)
return sq_throwerror(v,_SC("precision format too long"));
}
swidth[wc] = '\0';
if(wc > 0) {
width += scstrtol(swidth,&dummy,10);
}
}
if (n-start > MAX_FORMAT_LEN )
return sq_throwerror(v,_SC("format too long"));
memcpy(&fmt[1],&src[start],((n-start)+1)*sizeof(SQChar));
fmt[(n-start)+2] = '\0';
return n;
}
SQRESULT sqstd_format(HSQUIRRELVM v,SQInteger nformatstringidx,SQInteger *outlen,SQChar **output)
{
const SQChar *format;
SQChar *dest;
SQChar fmt[MAX_FORMAT_LEN];
const SQRESULT res = sq_getstring(v,nformatstringidx,&format);
if (SQ_FAILED(res)) {
return res; // propagate the error
}
SQInteger format_size = sq_getsize(v,nformatstringidx);
SQInteger allocated = (format_size+2)*sizeof(SQChar);
dest = sq_getscratchpad(v,allocated);
SQInteger n = 0,i = 0, nparam = nformatstringidx+1, w = 0;
//while(format[n] != '\0')
while(n < format_size)
{
if(format[n] != '%') {
assert(i < allocated);
dest[i++] = format[n];
n++;
}
else if(format[n+1] == '%') { //handles %%
dest[i++] = '%';
n += 2;
}
else {
n++;
if( nparam > sq_gettop(v) )
return sq_throwerror(v,_SC("not enough parameters for the given format string"));
n = validate_format(v,fmt,format,n,w);
if(n < 0) return -1;
SQInteger addlen = 0;
SQInteger valtype = 0;
const SQChar *ts = NULL;
SQInteger ti = 0;
SQFloat tf = 0;
switch(format[n]) {
case 's':
if(SQ_FAILED(sq_getstring(v,nparam,&ts)))
return sq_throwerror(v,_SC("string expected for the specified format"));
addlen = (sq_getsize(v,nparam)*sizeof(SQChar))+((w+1)*sizeof(SQChar));
valtype = 's';
break;
case 'i': case 'd': case 'o': case 'u': case 'x': case 'X':
#ifdef _SQ64
{
size_t flen = scstrlen(fmt);
SQInteger fpos = flen - 1;
SQChar f = fmt[fpos];
const SQChar *prec = (const SQChar *)_PRINT_INT_PREC;
while(*prec != _SC('\0')) {
fmt[fpos++] = *prec++;
}
fmt[fpos++] = f;
fmt[fpos++] = _SC('\0');
}
#endif
case 'c':
if(SQ_FAILED(sq_getinteger(v,nparam,&ti)))
return sq_throwerror(v,_SC("integer expected for the specified format"));
addlen = (ADDITIONAL_FORMAT_SPACE)+((w+1)*sizeof(SQChar));
valtype = 'i';
break;
case 'f': case 'g': case 'G': case 'e': case 'E':
if(SQ_FAILED(sq_getfloat(v,nparam,&tf)))
return sq_throwerror(v,_SC("float expected for the specified format"));
addlen = (ADDITIONAL_FORMAT_SPACE)+((w+1)*sizeof(SQChar));
valtype = 'f';
break;
default:
return sq_throwerror(v,_SC("invalid format"));
}
n++;
allocated += addlen + sizeof(SQChar);
dest = sq_getscratchpad(v,allocated);
switch(valtype) {
case 's': i += scsprintf(&dest[i],allocated,fmt,ts); break;
case 'i': i += scsprintf(&dest[i],allocated,fmt,ti); break;
case 'f': i += scsprintf(&dest[i],allocated,fmt,tf); break;
};
nparam ++;
}
}
*outlen = i;
dest[i] = '\0';
*output = dest;
return SQ_OK;
}
void sqstd_pushstringf(HSQUIRRELVM v,const SQChar *s,...)
{
SQInteger n=256;
va_list args;
begin:
va_start(args,s);
SQChar *b=sq_getscratchpad(v,n);
SQInteger r=scvsprintf(b,n,s,args);
va_end(args);
if (r>=n) {
n=r+1;//required+null
goto begin;
} else if (r<0) {
sq_pushnull(v);
} else {
sq_pushstring(v,b,r);
}
}
static SQInteger _string_printf(HSQUIRRELVM v)
{
SQChar *dest = NULL;
SQInteger length = 0;
if(SQ_FAILED(sqstd_format(v,2,&length,&dest)))
return -1;
SQPRINTFUNCTION printfunc = sq_getprintfunc(v);
if(printfunc) printfunc(v,_SC("%s"),dest);
return 0;
}
static SQInteger _string_format(HSQUIRRELVM v)
{
SQChar *dest = NULL;
SQInteger length = 0;
if(SQ_FAILED(sqstd_format(v,2,&length,&dest)))
return -1;
sq_pushstring(v,dest,length);
return 1;
}
static void __strip_l(const SQChar *str,const SQChar **start)
{
const SQChar *t = str;
while(((*t) != '\0') && scisspace(*t)){ t++; }
*start = t;
}
static void __strip_r(const SQChar *str,SQInteger len,const SQChar **end)
{
if(len == 0) {
*end = str;
return;
}
const SQChar *t = &str[len-1];
while(t >= str && scisspace(*t)) { t--; }
*end = t + 1;
}
static SQInteger _string_strip(HSQUIRRELVM v)
{
const SQChar *str,*start,*end;
sq_getstring(v,2,&str);
SQInteger len = sq_getsize(v,2);
__strip_l(str,&start);
__strip_r(str,len,&end);
sq_pushstring(v,start,end - start);
return 1;
}
static SQInteger _string_lstrip(HSQUIRRELVM v)
{
const SQChar *str,*start;
sq_getstring(v,2,&str);
__strip_l(str,&start);
sq_pushstring(v,start,-1);
return 1;
}
static SQInteger _string_rstrip(HSQUIRRELVM v)
{
const SQChar *str,*end;
sq_getstring(v,2,&str);
SQInteger len = sq_getsize(v,2);
__strip_r(str,len,&end);
sq_pushstring(v,str,end - str);
return 1;
}
static SQInteger _string_split(HSQUIRRELVM v)
{
const SQChar *str,*seps;
SQChar *stemp;
sq_getstring(v,2,&str);
sq_getstring(v,3,&seps);
SQInteger sepsize = sq_getsize(v,3);
if(sepsize == 0) return sq_throwerror(v,_SC("empty separators string"));
SQInteger memsize = (sq_getsize(v,2)+1)*sizeof(SQChar);
stemp = sq_getscratchpad(v,memsize);
memcpy(stemp,str,memsize);
SQChar *start = stemp;
SQChar *end = stemp;
sq_newarray(v,0);
while(*end != '\0')
{
SQChar cur = *end;
for(SQInteger i = 0; i < sepsize; i++)
{
if(cur == seps[i])
{
*end = 0;
sq_pushstring(v,start,-1);
sq_arrayappend(v,-2);
start = end + 1;
break;
}
}
end++;
}
if(end != start)
{
sq_pushstring(v,start,-1);
sq_arrayappend(v,-2);
}
return 1;
}
static SQInteger _string_escape(HSQUIRRELVM v)
{
const SQChar *str;
SQChar *dest,*resstr;
SQInteger size;
sq_getstring(v,2,&str);
size = sq_getsize(v,2);
if(size == 0) {
sq_push(v,2);
return 1;
}
#ifdef SQUNICODE
#if WCHAR_SIZE == 2
const SQChar *escpat = _SC("\\x%04x");
const SQInteger maxescsize = 6;
#else //WCHAR_SIZE == 4
const SQChar *escpat = _SC("\\x%08x");
const SQInteger maxescsize = 10;
#endif
#else
const SQChar *escpat = _SC("\\x%02x");
const SQInteger maxescsize = 4;
#endif
SQInteger destcharsize = (size * maxescsize); //assumes every char could be escaped
resstr = dest = (SQChar *)sq_getscratchpad(v,destcharsize * sizeof(SQChar));
SQChar c;
SQChar escch;
SQInteger escaped = 0;
for(int n = 0; n < size; n++){
c = *str++;
escch = 0;
if(scisprint(c) || c == 0) {
switch(c) {
case '\a': escch = 'a'; break;
case '\b': escch = 'b'; break;
case '\t': escch = 't'; break;
case '\n': escch = 'n'; break;
case '\v': escch = 'v'; break;
case '\f': escch = 'f'; break;
case '\r': escch = 'r'; break;
case '\\': escch = '\\'; break;
case '\"': escch = '\"'; break;
case '\'': escch = '\''; break;
case 0: escch = '0'; break;
}
if(escch) {
*dest++ = '\\';
*dest++ = escch;
escaped++;
}
else {
*dest++ = c;
}
}
else {
dest += scsprintf(dest, destcharsize, escpat, c);
escaped++;
}
}
if(escaped) {
sq_pushstring(v,resstr,dest - resstr);
}
else {
sq_push(v,2); //nothing escaped
}
return 1;
}
static SQInteger _string_startswith(HSQUIRRELVM v)
{
const SQChar *str,*cmp;
sq_getstring(v,2,&str);
sq_getstring(v,3,&cmp);
SQInteger len = sq_getsize(v,2);
SQInteger cmplen = sq_getsize(v,3);
SQBool ret = SQFalse;
if(cmplen <= len) {
ret = memcmp(str,cmp,sq_rsl(cmplen)) == 0 ? SQTrue : SQFalse;
}
sq_pushbool(v,ret);
return 1;
}
static SQInteger _string_endswith(HSQUIRRELVM v)
{
const SQChar *str,*cmp;
sq_getstring(v,2,&str);
sq_getstring(v,3,&cmp);
SQInteger len = sq_getsize(v,2);
SQInteger cmplen = sq_getsize(v,3);
SQBool ret = SQFalse;
if(cmplen <= len) {
ret = memcmp(&str[len - cmplen],cmp,sq_rsl(cmplen)) == 0 ? SQTrue : SQFalse;
}
sq_pushbool(v,ret);
return 1;
}
#define SETUP_REX(v) \
SQRex *self = NULL; \
sq_getinstanceup(v,1,(SQUserPointer *)&self,0);
static SQInteger _rexobj_releasehook(SQUserPointer p, SQInteger SQ_UNUSED_ARG(size))
{
SQRex *self = ((SQRex *)p);
sqstd_rex_free(self);
return 1;
}
static SQInteger _regexp_match(HSQUIRRELVM v)
{
SETUP_REX(v);
const SQChar *str;
sq_getstring(v,2,&str);
if(sqstd_rex_match(self,str) == SQTrue)
{
sq_pushbool(v,SQTrue);
return 1;
}
sq_pushbool(v,SQFalse);
return 1;
}
static void _addrexmatch(HSQUIRRELVM v,const SQChar *str,const SQChar *begin,const SQChar *end)
{
sq_newtable(v);
sq_pushstring(v,_SC("begin"),-1);
sq_pushinteger(v,begin - str);
sq_rawset(v,-3);
sq_pushstring(v,_SC("end"),-1);
sq_pushinteger(v,end - str);
sq_rawset(v,-3);
}
static SQInteger _regexp_search(HSQUIRRELVM v)
{
SETUP_REX(v);
const SQChar *str,*begin,*end;
SQInteger start = 0;
sq_getstring(v,2,&str);
if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
_addrexmatch(v,str,begin,end);
return 1;
}
return 0;
}
static SQInteger _regexp_capture(HSQUIRRELVM v)
{
SETUP_REX(v);
const SQChar *str,*begin,*end;
SQInteger start = 0;
sq_getstring(v,2,&str);
if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
SQInteger n = sqstd_rex_getsubexpcount(self);
SQRexMatch match;
sq_newarray(v,0);
for(SQInteger i = 0;i < n; i++) {
sqstd_rex_getsubexp(self,i,&match);
if(match.len > 0)
_addrexmatch(v,str,match.begin,match.begin+match.len);
else
_addrexmatch(v,str,str,str); //empty match
sq_arrayappend(v,-2);
}
return 1;
}
return 0;
}
static SQInteger _regexp_subexpcount(HSQUIRRELVM v)
{
SETUP_REX(v);
sq_pushinteger(v,sqstd_rex_getsubexpcount(self));
return 1;
}
static SQInteger _regexp_constructor(HSQUIRRELVM v)
{
const SQChar *error,*pattern;
sq_getstring(v,2,&pattern);
SQRex *rex = sqstd_rex_compile(pattern,&error);
if(!rex) return sq_throwerror(v,error);
sq_setinstanceup(v,1,rex);
sq_setreleasehook(v,1,_rexobj_releasehook);
return 0;
}
static SQInteger _regexp__typeof(HSQUIRRELVM v)
{
sq_pushstring(v,_SC("regexp"),-1);
return 1;
}
#define _DECL_REX_FUNC(name,nparams,pmask) {_SC(#name),_regexp_##name,nparams,pmask}
static const SQRegFunction rexobj_funcs[]={
_DECL_REX_FUNC(constructor,2,_SC(".s")),
_DECL_REX_FUNC(search,-2,_SC("xsn")),
_DECL_REX_FUNC(match,2,_SC("xs")),
_DECL_REX_FUNC(capture,-2,_SC("xsn")),
_DECL_REX_FUNC(subexpcount,1,_SC("x")),
_DECL_REX_FUNC(_typeof,1,_SC("x")),
{NULL,(SQFUNCTION)0,0,NULL}
};
#undef _DECL_REX_FUNC
#define _DECL_FUNC(name,nparams,pmask) {_SC(#name),_string_##name,nparams,pmask}
static const SQRegFunction stringlib_funcs[]={
_DECL_FUNC(format,-2,_SC(".s")),
_DECL_FUNC(printf,-2,_SC(".s")),
_DECL_FUNC(strip,2,_SC(".s")),
_DECL_FUNC(lstrip,2,_SC(".s")),
_DECL_FUNC(rstrip,2,_SC(".s")),
_DECL_FUNC(split,3,_SC(".ss")),
_DECL_FUNC(escape,2,_SC(".s")),
_DECL_FUNC(startswith,3,_SC(".ss")),
_DECL_FUNC(endswith,3,_SC(".ss")),
{NULL,(SQFUNCTION)0,0,NULL}
};
#undef _DECL_FUNC
SQInteger sqstd_register_stringlib(HSQUIRRELVM v)
{
sq_pushstring(v,_SC("regexp"),-1);
sq_newclass(v,SQFalse);
SQInteger i = 0;
while(rexobj_funcs[i].name != 0) {
const SQRegFunction &f = rexobj_funcs[i];
sq_pushstring(v,f.name,-1);
sq_newclosure(v,f.f,0);
sq_setparamscheck(v,f.nparamscheck,f.typemask);
sq_setnativeclosurename(v,-1,f.name);
sq_newslot(v,-3,SQFalse);
i++;
}
sq_newslot(v,-3,SQFalse);
i = 0;
while(stringlib_funcs[i].name!=0)
{
sq_pushstring(v,stringlib_funcs[i].name,-1);
sq_newclosure(v,stringlib_funcs[i].f,0);
sq_setparamscheck(v,stringlib_funcs[i].nparamscheck,stringlib_funcs[i].typemask);
sq_setnativeclosurename(v,-1,stringlib_funcs[i].name);
sq_newslot(v,-3,SQFalse);
i++;
}
return 1;
}

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squirrel/stdlib/sqstdsystem.cpp
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/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <sqstdsystem.h>
#ifdef SQUNICODE
#include <wchar.h>
#define scgetenv _wgetenv
#define scsystem _wsystem
#define scasctime _wasctime
#define scremove _wremove
#define screname _wrename
#else
#define scgetenv getenv
#define scsystem system
#define scasctime asctime
#define scremove remove
#define screname rename
#endif
#ifdef IOS
#include <spawn.h>
extern char **environ;
#endif
static SQInteger _system_getenv(HSQUIRRELVM v)
{
const SQChar *s;
if(SQ_SUCCEEDED(sq_getstring(v,2,&s))){
sq_pushstring(v,scgetenv(s),-1);
return 1;
}
return 0;
}
static SQInteger _system_system(HSQUIRRELVM v)
{
const SQChar *s;
if(SQ_SUCCEEDED(sq_getstring(v,2,&s))){
#ifdef IOS
pid_t pid;
posix_spawn(&pid, s, NULL, NULL, NULL, environ);
sq_pushinteger(v, 0);
#else
sq_pushinteger(v,scsystem(s));
#endif
return 1;
}
return sq_throwerror(v,_SC("wrong param"));
}
static SQInteger _system_clock(HSQUIRRELVM v)
{
sq_pushfloat(v,((SQFloat)clock())/(SQFloat)CLOCKS_PER_SEC);
return 1;
}
static SQInteger _system_time(HSQUIRRELVM v)
{
SQInteger t = (SQInteger)time(NULL);
sq_pushinteger(v,t);
return 1;
}
static SQInteger _system_remove(HSQUIRRELVM v)
{
const SQChar *s;
sq_getstring(v,2,&s);
if(scremove(s)==-1)
return sq_throwerror(v,_SC("remove() failed"));
return 0;
}
static SQInteger _system_rename(HSQUIRRELVM v)
{
const SQChar *oldn,*newn;
sq_getstring(v,2,&oldn);
sq_getstring(v,3,&newn);
if(screname(oldn,newn)==-1)
return sq_throwerror(v,_SC("rename() failed"));
return 0;
}
static void _set_integer_slot(HSQUIRRELVM v,const SQChar *name,SQInteger val)
{
sq_pushstring(v,name,-1);
sq_pushinteger(v,val);
sq_rawset(v,-3);
}
static SQInteger _system_date(HSQUIRRELVM v)
{
time_t t;
SQInteger it;
SQInteger format = 'l';
if(sq_gettop(v) > 1) {
sq_getinteger(v,2,&it);
t = it;
if(sq_gettop(v) > 2) {
sq_getinteger(v,3,(SQInteger*)&format);
}
}
else {
time(&t);
}
tm *date;
if(format == 'u')
date = gmtime(&t);
else
date = localtime(&t);
if(!date)
return sq_throwerror(v,_SC("crt api failure"));
sq_newtable(v);
_set_integer_slot(v, _SC("sec"), date->tm_sec);
_set_integer_slot(v, _SC("min"), date->tm_min);
_set_integer_slot(v, _SC("hour"), date->tm_hour);
_set_integer_slot(v, _SC("day"), date->tm_mday);
_set_integer_slot(v, _SC("month"), date->tm_mon);
_set_integer_slot(v, _SC("year"), date->tm_year+1900);
_set_integer_slot(v, _SC("wday"), date->tm_wday);
_set_integer_slot(v, _SC("yday"), date->tm_yday);
return 1;
}
#define _DECL_FUNC(name,nparams,pmask) {_SC(#name),_system_##name,nparams,pmask}
static const SQRegFunction systemlib_funcs[]={
_DECL_FUNC(getenv,2,_SC(".s")),
_DECL_FUNC(system,2,_SC(".s")),
_DECL_FUNC(clock,0,NULL),
_DECL_FUNC(time,1,NULL),
_DECL_FUNC(date,-1,_SC(".nn")),
_DECL_FUNC(remove,2,_SC(".s")),
_DECL_FUNC(rename,3,_SC(".ss")),
{NULL,(SQFUNCTION)0,0,NULL}
};
#undef _DECL_FUNC
SQInteger sqstd_register_systemlib(HSQUIRRELVM v)
{
SQInteger i=0;
while(systemlib_funcs[i].name!=0)
{
sq_pushstring(v,systemlib_funcs[i].name,-1);
sq_newclosure(v,systemlib_funcs[i].f,0);
sq_setparamscheck(v,systemlib_funcs[i].nparamscheck,systemlib_funcs[i].typemask);
sq_setnativeclosurename(v,-1,systemlib_funcs[i].name);
sq_newslot(v,-3,SQFalse);
i++;
}
return 1;
}