The Squirrel interpreter. See http://www.squirrel-lang.org/
Diff: HISTORY
- Revision:
- 0:97a4f8cc534c
diff -r 000000000000 -r 97a4f8cc534c HISTORY --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HISTORY Tue Dec 16 10:20:34 2014 +0000 @@ -0,0 +1,466 @@ +***version 3.0.6 stable*** +-fixed compiler bug that can cause memory corruption, the bug was introduced in 3.0.5(thx Alex95) + +***2014-03-22 *** +***version 3.0.5 stable*** +-fixed crash in compiler when trying to write 'base' +-fixed bug in gc +-fixed few bugs in the compiler + +***2012-11-10 *** +***version 3.0.4 stable*** +-sq_deleteslot slot now pops the key in case of failure +-fixed bug when _get metamethod throws null +-fixed a bug in rstrip +-added some error handling +-minor bugfixes + +***2012-06-19 *** +***version 3.0.3 stable*** +-improved error messages for _cmp(when a non integer value is returned) (thx Yexo) +-added class.newmember() built in method (thx Nam) +-added class.rawnewmember() built in method (thx Nam) +-added sq_rawnewmember() (thx Nam) +-added sq_getversion() +-added sq_typeof() +-added sq_getclosurename() +-added file.close() in stdlib +-documented closure.getinfos() built-in method +-fixed string iteration doesn't return negative numbers for characters > 127 +-fixed bug in tofloat() when converting a string with scientific notation without a decimal point (thx wr2) +-fixed potential infinite loop in array.sort() when the _cmp function is inconsistent (thx Yexo) +-fixed obscure bug in the compiler(thx yishin) +-fixed some minor bug + +***2011-11-28 *** +***version 3.0.2 stable*** +-added sq_gethash API +-now array.sort() is implemented with heapsort +-now floats in scientific notation also accept numbers with no '.' (eg. 1e+6 or 1e6) +-fixed some warning +-fixed some documentation +-fixed bug in GC + +***2011-09-08 *** +***version 3.0.1 stable*** +-added # as alternative symbol for "line comment"(mostly useful for shell scripts) +-added sq_throwobject() to throw an arbitrary object from the C API +-added alignement flag for userdata types, SQ_ALIGNMENT (thx Shigemasa) +-added rawset() and rawget() to class and instance default delegate +-changed bytecode format now ensures matching integer size and float size +-now inherited classes also inherit userdatasize +-added SQUIRREL_VERSION_NUMBER in squirrel.h and _versionnumber_ global symbol +-fixed sq_getmemberhandle +-fixed sq_getrefcount +-refactored some sqstdio code +-refactored some clone code +-refactored some stuff in the string lib +-added -s and -fno-exceptions in GCC makefile(better performance when using GCC) + +***2011-03-13 *** +***version 3.0 stable*** +-added sq_getcallee() +-sq_getfreevariable() also works for native closures +-minior optimizations +-removed several warning when compiling with GCC 4.x +-fixed some errors in the documentation +-fixed bug when using SQUSEDOUBLE and 32bits intengers +-fixed bug when invoking generators with closure.call() (thx huntercool) + +***2010-12-19 *** +***version 3.0 release candidate 1(RC 1)*** +-improved metamethods error handling +-added parameter 'isstatic' to _newmember metamethod(thx G.Meyer) +-added sq_getrefcount() to return number of refences from C++(thx G.Meyer) + +***2010-11-07 *** +***version 3.0 beta 3*** +-license changed to "MIT license" +-added sq_resurrectunreachable() and resurrectunreachable() +-added callee() built in function, returns the current running closure +-added thread.getstackinfos() +-added sq_objtouserpointer() +-added sq_newtableex() +-various refactoring and optimizations +-fixed several 64bits issues regarding integer to string conversions +-fixed some bugs when SQUSEDOUBLE is used in 32bits systems + +***2010-08-18 *** +***version 3.0 beta 2.1*** +-fixed bug in class constructor +-fixed bug in compound arith + +***2010-08-12 *** +***version 3.0 beta 2*** +-class methods can be added or replaced after the class as been instantiated +-JSON compliant table syntax, this is currently an experimental feature (thx atai) +-sq_getsize() now returns userdatasize for classes and instances +-now setroottable() and setconsttable() return the previous value of the respective table +-fixed bug in compound arith operators when used on a free variable (thx ellon) +-fixed some x64 minor bugs +-fixed minor bug in the compiler +-refactored some VM internals +-documented sq_getmemberhandle, sq_getbyhandle, sq_setbyhandle to set and get value from classes + +***2009-11-15 *** +***version 3.0 beta 1*** +-various refactoring and optimizations +-fixed bug in free variables (thx mokehehe) +-fixed bug in functions with default parameters (thx ara & Yexo) +-fixed bug in exception handling +-improved error propagation in _set and _get metamethods ( and 'throw null' for clean failure) +-added sq_getmemberhandle, sq_getbyhandle, sq_setbyhandle to set and get value from classes + +***2009-06-30 *** +***version 3.0 alpha 2*** +-added real free variables(thx Paul Ruizendaal) +-added refactored function call implementation and compiler(thx Paul Ruizendaal) +-added sq_getfunctioninfo +-added compile time flag SQUSEDOUBLE to use double precision floats +-added global slot _floatsize_ int the base lib to recognize single precision and double precision builds +-sq_wakeupvm can now resume the vm with an exception +-added sqstd_format +-now blobs can be cloned +-generators can now be instantiated by calling sq_call() or closure.call() +-fixed debughook bug +-fixed cooroutine error propagation + +***2008-07-23 *** +***version 3.0 alpha 1*** +-first branch from 2.x source tree +-added 'base' keyword +-removed 'delegate' keyword +-now compiled scripts are vararg functions +-added setdelegate() and getdelegate() table builtin methods +-added <=> 3 ways compare operator +-added lambda expression @(a,b) a + b +-added local function statement +-added array built-in map(),reduce(),apply(),filter() and find() +-generators hold only a weak reference of the enviroment object +-removed 'vargv' and 'vargc' keywords +-now var args are passed as an array called vargv(as a paramter) +-removed 'parent' keyword +-added class getbase() built in method +-instanceof doesn't throw an exception if the left expression is not a class +-lexical scoping for free variables(free variables are no longer in the second parameter list) +-sq_setprintfunc accept error func +-sq_geterrorfunc() +-added sq_arrayremove() and sq_arrayinsert() +-error() built in function(works like print but prints using the errorfunc) +-added native debug hook + +***2008-02-17 *** +***version 2.2 stable*** +-added _newslot metamethod in classes +-added enums added constants +-added sq_pushconsttable, sq_setconsttable +-added default param +-added octal literals(thx Dinosaur) +-fixed debug hook, 'calls' and 'returns' are properly notified in the same number. +-fixed a coroutine bug + +***2007-07-29 *** +***version 2.1.2 stable*** +-new behaviour for generators iteration using foreach +now when a generator is iterated by foreach the value returned by a 'return val' statement +will terminate the iteration but will not be returned as foreach iteration +-added sq_setclassudsize() +-added sq_clear() +-added table.clear(), array.clear() +-fixed sq_cmp() (thx jyuill) +-fixed minor bugs + +***2006-08-21 *** +***version 2.1.1 stable*** +-vm refactoring +-optimized internal function memory layout +-new global symbol _version_ (is the version string) +-code size optimization for float literals(on 32bits float builts) +-now the raw ref API(sq_addref etc...) is fully reentrant. +-fixed a bug in sq_getdelegate() now pushes null if the object doesn't have a delegate(thx MatzeB) +-improved C reference performances in NO_GARBAGE_COLLECTOR builds +-sq_getlocal() now enumerates also outer values. +-fixed regexp library for GCC users. + +***2006-03-19 *** +***version 2.1 stable*** +-added static class fields, new keyword static +-added 64bits architecture support +-added global slot _intsize_ int the base lib to recognize 32bits and 64bits builds +-added functions with fixed environment, closure.bindenv() built-in function +-all types except userdata and null implement the tostring() method +-string concatenation now invokes metamethod _tostring +-new metamethods for class objects _newmember and _inherited +-sq_call() sq_resume() sq_wakeupvm() have a new signature +-new C referencing implementation(scales more with the amount of references) +-refactored hash table +-new api functions sq_newslot(),sq_tobool(),sq_getbase(), sq_instanceof(), sq_bindenv() +-the api func sq_createslot was deprecated but still supported in form of C macro on top of sq_newslot +-sq_setreleasehook() now also works for classes +-stream.readstr() and stream.writestr() have been deprecated(this affects file and blob) +-fixed squirrel.h undeclared api calls +-fixed few minor bugs +-SQChar is now defined as wchar_t +-removed warning when building with -Wall -pedantic for GCC users +-added new std io function writeclosuretofile() +-added new std string functions strip(),rstrip(),lstrip() and split() +-regular expressions operators (+,*) now have more POSIX greedyness behaviour +-class constructors are now invoked as normal functions + +***2005-10-02 *** +***version 2.0.5 stable*** +-fixed some 64bits incompatibilities (thx sarge) +-fixed minor bug in the stdlib format() function (thx Rick) +-fixed a bug in dofile() that was preventing to compile empty files +-added new API sq_poptop() & sq_getfreevariable() +-some performance improvements + +***2005-08-14 *** +***version 2.0.4 stable*** +-weak references and related API calls +-added sq_objtobool() +-class instances memory policies improved(1 mem allocation for the whole instance) +-typetags are now declared as SQUserPointer instead of unsigned int +-first pass for 64bits compatibility +-fixed minor bug in the stdio stream +-fixed a bug in format() +-fixed bug in string.tointeger() and string.tofloat() + +***2005-06-24 *** +***version 2.0.3 stable*** +-dofile() and loadfile() in the iolib now can decode ASCII, UTF8 files UCS2 big-endian and little-endian +-sq_setparamscheck() : now typemesk can check for null +-added string escape sequence \xhhhh +-fixed some C++ standard incompatibilities + +***2005-05-15 *** +***version 2.0.2 stable*** +-performances improvements (expecially for GCC users) +-removed all dependencies from C++ exception handling +-various bugfixes + +***2005-04-12 *** +***version 2.0.1 stable*** +-various bugfixes +-sq_setparamscheck() now allows spaces in the typemask + +***2005-04-03 *** +***version 2.0 stable*** +-added API sq_gettypetag() +-added built-in function to the bool type(tointeger, tostring etc...) + +***2005-02-27 *** +***version 2.0 release candidate 1(RC 1)*** +-added API sq_reseterror() +-modified sq_release() +-now class instances can be cloned +-various bufixes + +***2005-01-26 *** +***version 2.0 beta 1*** +-added bool type +-class properties can be redefined in a derived class +-added ops *= /= and %= +-new syntax for class attributes declaration </ and /> instead of ( and ) +-increased the max number of literals per function from 65535 to 16777215 +-now free variables have proper lexical scoping +-added API sq_createinstance(), sq_pushbool(), sq_getbool() +-added built-in function type() +-added built-in function obj.rawin(key) in table,class and instance +-sq_rawget() and sq_rawset() now work also on classes and instances +-the VM no longer uses C++ exception handling (more suitable for embedded devices) +-various bufixes + +***2004-12-21 *** +***version 2.0 alpha 2*** +-globals scoping changed, now if :: is omitted the VM automatically falls back on the root table +-various bufixes +-added class level attributes + +***2004-12-12 *** +***version 2.0 alpha 1*** +-codebase branch from version 1.x +-added classes +-added functions with variable number of parameters(vargc & vargv and the ...) +-0 and 0.0 are now considered 'false' by all conditional statements(if,while,for,?,do-while) +-added new api functions sq_newclass() sq_setinstanceup() sq_getinstanceup() sq_getattributes() sq_setattributes() +-modified api sq_settypetag() + +***2004-11-01 *** +***version 1.0 stable*** +-fixed some minor bug +-improved operator 'delete' performances +-added scientific notation for float numbers( eg. 2.e16 or 2.e-2) + +***2004-08-30 *** +***version 1.0 release candidate 2(RC 2)*** +-fixed bug in the vm(thx Pierre Renaux) +-fixed bug in the optimizer(thx Pierre Renaux) +-fixed some bug in the documentation(thx JD) +-added new api functions for raw object handling +-removed nested multiline comments +-reduced memory footprint in C references + +***2004-08-23 *** +***version 1.0 release candidate 1(RC 1)*** +-fixed division by zero +-the 'in' operator and obj.rawget() do not query the default delegate anymore +-added function sq_getprintfunc() +-added new standard library 'auxlib'(implements default error handlers) + +***2004-07-12 *** +***version 1.0 beta 4*** +-fixed a bug in the integer.tochar() built-in method +-fixed unary minus operator +-fixed bug in dofile() +-fixed inconsistency between != and == operators(on float/integer comparison) +-added javascript style unsigned right shift operator '>>>' +-added array(size) constructor built-in function +-array.resize(size,[fill]) built-in function accepts an optional 'fill' value +-improved debug API, added sq_getclosureinfo() and sq_setnativeclosurename() + +***2004-05-23 *** +***version 1.0 beta 3*** +-minor vm bug fixes +-string allocation is now faster +-tables and array memory usage is now less conservative(they shrink) +-added regular expression routines in the standard library +-The 'c' expression now accepts only 1 character(thx irbrian) +-multiline strings <[ ]> have been substituted with C# style verbatim strings (eg. @"string") +-added new keyword 'parent' for accessing the delegate of tables and unserdata +-The metamethod '_clone' has been renamed '_cloned' +-the _delslot metamethod's behaviour and prototype have been changed +-new default function in the integer and float object 'tochar()' +-the built-in function chcode2string has been removed +-the default method [table].getdelegate() has been removed +-new api sq_rawdeleteslot() +-new table built-in method rawdelete(key) +-the dynamic mudule loading has been removed from the standard distribution +-some optimizations in the VM + +***2004-04-21 *** +***version 1.0 beta 2*** +-minor compiler/parser bug fixes +-sq_newclosure has a different prototype, the "paramscheck" of paramter has been moved to the new function sq_setparamscheck() +-sq_setparamscheck allows to add automatic parameters type checking in native closures +-sq_compile() lost the lineinfo parameter +-new api sq_enabledebuginfo() globally sets compiler's debug info generation +-added consistency check on bytecode serialization +-fixed += operator, now works on strings like + +-added global slot in the base lib _charsize_ to recognize unicode builds from ascii builds runtime +-added registry table +-new api call sq_pushregistrytable() +-added type tag to the userdata type sq_settypetag() +-sq_getuserdata now queries the userdata typetag +-the built in function collect_garbage() as been renamed collectgarbage() for consistency reasons +-new standard libraries(sqlibs are now obsolete) + +***2004-02-20 *** +***version 1.0 beta 1*** +-fixed a bug in the compiler (thanks Martin Kofler) +-fixed bug in the switch case statement +-fixed the _unm metamethod +-fixed minor bugs in the API +-fixed automatic stack resizing +-first beta version + first pass code clean up in the VM and base lib + first pass code coverege test has been done on VM and built-in lib +-new VM creation API sq_open() sq_close() (sq_newvm and sq_releasevm are now obsolete) +-new api allows to specifiy a "print" function to output text(sq_printfunc) +-added some small optimizations +-new cooperative multi-threading capabilities in the base library(coroutines), VMs are now a built in type("thread") +-new built in functions have been added for manipulating the new "thread" type +-friend virtual machines share the same root table, error handler and debug hook by default +-new compile time options + +***2004-01-19 *** +***version 0.9 alpha*** +-fixed a garbage collection bug +-fixed some API bugs(thanks to Joshua Jensen) +-fixed tail calls (in the version 0.8 the tail call optimization was erroneously disabled) +-new function parameters semantic, now passing a wrong number of parameters generates an exception +-native closures have now a built in parameter number checking +-sq_rawget and sq_rawset now work also on arrays +-sq_getsize now woks also on userdata +-the userdata release hook prototype is changed(now passes the size of the userdata) +-the lexer reader function now returns an integer instead of a char that allows better error checking on the input(thx Joshua Jensen) +-faster compiler +-try/catch blocks do not cause any runtime memory allocation anymore + +***2003-12-06 *** +***version 0.8 alpha*** +-fixed a bug that was preventing to have callable userdata throught the metamethod _call +-fixed a garbage collection bug +-fixed == operator now can compare correctly different types +-new built in method getstackinfos(level) +-improved line informations precision for the debug hook +-new api call sq_compilebuffer() +-new built-in api function compilestring() +-new syntactic sugar for function declarations inside tables +-the debug API has been finalized + +***2003-11-17 *** +***version 0.7 alpha*** +-fixed critical bug SQInteger the tail call system +-fixed bug in the continue statement code generation +-fixed func call param issue(thanks to Rewoonenco Andrew) +-added _delslot metamethod(thanks to Rewoonenco Andrew) +-new multiline string expression ( delimited by <[ and ]> ) +-normal strings ("") do not allow embedded new line anymore +-reduced vm memory footprint(C refs are shared between friend VMs) +-new api method sq_deleteslot() +-new debug hook event 'r' is triggered when a function returns + +***2003-11-04 *** +***version 0.6 alpha*** +-fixed switch statement(was executing the default case after a break) +-sq_call() doesn't pop the closure (just the params) +-the vm execution can be suspended from the C API anytime (micro-threads) +-new api calls sq_suspendvm() sq_wakeupvm() sq_getvmstate() and sq_reservestack() + +***2003-10-13 *** +***version 0.5 alpha*** +-fixed some minor bug +-tested with non ASCII identifiers in unicode mode(I've tried chinese chars) +-added built-in function string.find() +-the built-in function array.sort() optionally accepts a cmp(a,b) function +-the debug hook function now has a new prototype debug_hook(event_type,sourcefile,line,functionname) +-fixed some debug info imprecision + +***2003-10-01 *** +***version 0.4 alpha*** +-faster VM +-sq_call will pop arguments and closure also in case of failure +-fixed a bug in sq_remove +-now the VM detects delegation cycles(and throws an exception) +-new operators ++ and -- +-new operator ',' comma operator +-fixed some expression precedence issue +-fixed bug in sq_arraypop + +***2003-09-15 *** +***version 0.3 alpha*** +-fixed a bug in array::insert() +-optional Unicode core(define SQUNICODE or _UNICODE on Win32) +-sq_compiler uses a new reader function SQLEXREADFUNC +-the debug hook passes 'l' instead of 'line' for line callbacks + and 'c' instead of 'call' for call callbacks +-new array.extend() bulit-in function +-new API sq_clone() + +***2003-09-10 *** +***version 0.2 pre-alpha*** +-new completely reentrant VM (sq_open and sq_close are now obsolete) +-sq_newvm() has a new prototype +-allocators are now global and linked in the VM +-_newslot meta method added +-rawset creates a slot if doesn't exists +-the compiler error callback pass the vm handle(thanks Pierre Renaux) +-sq_setforeignptr() sq_getforeingptr() are now public +-sq_resume() now is possible to resume generators from C +-sq_getlasterror() retrieve the last thrown error +-improved docs + +***2003-09-06 *** +***version 0.1 pre-alpha*** +first release