Update to Squirrel 3.0.6

external/squirrel/COPYRIGHT

@@ -1,29 +1,21 @@
-Copyright (c) 2003-2011 Alberto Demichelis
+Copyright (c) 2003-2014 Alberto Demichelis
 
-This software is provided 'as-is', without any 
-express or implied warranty. In no event will the 
-authors be held liable for any damages arising from 
-the use of this software.
+Permission is 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:
 
-Permission is granted to anyone to use this software 
-for any purpose, including commercial applications, 
-and to alter it and redistribute it freely, subject 
-to the following restrictions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
 
-		1. The origin of this software must not be 
-		misrepresented; you must not claim that 
-		you wrote the original software. If you 
-		use this software in a product, an 
-		acknowledgment in the product 
-		documentation would be appreciated but is 
-		not required.
-
-		2. Altered source versions must be plainly 
-		marked as such, and must not be 
-		misrepresented as being the original 
-		software.
-
-		3. This notice may not be removed or 
-		altered from any source distribution.
+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
+END OF COPYRIGHT

external/squirrel/HISTORY

@@ -1,47 +1,156 @@
-***version 2.2.5 stable***
--sq_getsize() now returns userdatasize for classes and instances
--added parameter 'isstatic' to _newmember metamethod(thx G.Meyer)
+***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
--added SQUIRREL_VERSION_NUMBER preprocessor definition
 -now floats in scientific notation also accept numbers with no '.' (eg. 1e+6 or 1e6)
--fixed some compiler warning
--fixed a minor compiler bug
--fixed some bugs when SQUSEDOUBLE is used in 32bits systems
+-fixed some warning
+-fixed some documentation
 -fixed bug in GC
 
-***2009-11-15          ***
-***version 2.2.4 stable***
--fixed bug in functions with default parameters
+***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
 
-***2009-06-30          ***
-***version 2.2.3 stable***
+***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 a bug in sqstd_printcallstack(thx takayuki_h)
--fixed modulo by zero(thx jup)
--fixed negative enums and constants
--fixed generator crash bug if invoked as tail call (thx Mr.Accident)
--fixed some minor bug
-
-***2008-09-24          ***
-***version 2.2.2 stable***
--fixed some behaviour inconsistencies in thread.call() and thread.wakeup() (thx Mr.Accident)
--fixed coroutine error propagation
--fixed lingering return value from native function (thx Tom Leonard)
--fixed a bug if array.sort() is given a bad sort function (thx Tom Leonard)
--fixed some minor api bug
+-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
 
-***2008-05-16          ***
-***version 2.2.1 stable***
--fixed a tailcall bug
-
-***2008-02-17          ***
-***version 2.2 stable  ***
+***2008-02-17        ***
+***version 2.2 stable***
 -added _newslot metamethod in classes
 -added enums added constants
 -added sq_pushconsttable, sq_setconsttable
@@ -61,7 +170,7 @@ will terminate the iteration but will not be returned as foreach iteration
 -fixed sq_cmp() (thx jyuill)
 -fixed minor bugs
 
-***2006-08-21	     ***
+***2006-08-21		   ***
 ***version 2.1.1 stable***
 -vm refactoring
 -optimized internal function memory layout
@@ -180,7 +289,7 @@ will terminate the iteration but will not be returned as foreach iteration
 ***2004-11-01        ***
 ***version 1.0 stable***
 -fixed some minor bug
--improoved operator 'delete' performances
+-improved operator 'delete' performances
 -added scientific notation for float numbers( eg. 2.e16 or 2.e-2)
 
 ***2004-08-30        ***
@@ -284,7 +393,7 @@ will terminate the iteration but will not be returned as foreach iteration
 -fixed a garbage collection bug
 -fixed == operator now can compare correctly different types
 -new built in method getstackinfos(level)
--improoved line informations precision for the debug hook
+-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

external/squirrel/README

@@ -1,20 +1,21 @@
-The programming language SQUIRREL 2.2.5 stable
+The programming language SQUIRREL 3.0 stable
 
 --------------------------------------------------
-The project has been compiled and run on Windows(Windows XP/2000 on Intel x86 Windows XP Pro on AMD x64) and
-Linux(Slackware 9.0 on Intel x86, Fedora Core 4 on AMD x64).
+The project has been compiled and run on Windows(x86 and x64) and
+Linux(x86 and x64) and Solaris(x86 and x64).
 
 Has been tested with the following compilers:
-	MS Visual C++ 6.0,7.0,7.1 and 8.0 (32 and 64bits)
+	MS Visual C++ 6.0,7.0,7.1,8.0,9.0,10.0 (32 and 64bits)
 	MinGW gcc 3.2 (mingw special 20020817-1)
 	Cygnus gcc 3.2
 	Linux gcc 3.2.3
-	Linux gcc 4.0.0 (x86 64bits)
+	Linux gcc 4.0.0 (x86 & 64bits)
+	Solaris gcc 4.0.0 (x86 & 64bits)
 
 
 Feedback and suggestions are appreciated 
 project page - http://www.squirrel-lang.org
-community forums - http://www.squirrel-lang.org/Forums
+community forums - http://forum.squirrel-lang.org
 wiki - http://wiki.squirrel-lang.org
 author - alberto@demichelis.net
 

external/squirrel/include/sqstdio.h

@@ -7,7 +7,6 @@
 #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;