Version: 2.1.0 Date: 2024-01-14

#375 Specify stack size in ScriptEngine::ScriptEngine constructor
#373 Change ScriptEngine::registerConstant ScriptEngine::registerConstant[Type]

Version: 2.0.3 Date: 2024-01-14

#367 Fixed bug double detach returning objects that shares within function
Update README.md

Version: 2.0.2 Date: 2024-01-14

#365 Fixed bug returning objects from containers leaves a double dereference and delete of the object itself in the container

Version: 2.0.2 Date: 2024-01-14

#365 Fixed bug returning objects from containers leaves a double dereference and delete of the object itself in the container

Version: 2.0.1 Date: 2024-01-11

#360 Fixed bug try to share constant script object
#362 Fixed Bug segfault on returning string from class
#363 Fixed Bug segfault on returning value from property getter with parameter
Added benchmarks README.md

Version: 2.0.0 Date: 2024-01-04

Main improvements:

Massive update that rewrites a internal architecture, organize and clean code
VM speed up ~x2.5
VM save memory stack ~x2
Optimize size/compile times ~x2
Implements multiple Return/Assignments
Implements arguments with options: default, variable arguments and by reference
Implementation of properties with custom metamethods
Implements keywords 'const'
Implements operators 'in','typeof'
Implements builtin iterators for String, Vector and Objects
Implements builtin modules: 'System', 'Math', 'Json' and 'DateTime'
The use of "function" keyword on class function members are not mandatory
switch-case eval expressions
Implements builtin concatenation with vector and object types through operator '+'
Full documentation and working examples

Solved issues

#64 Implement "include" preprocessor feature
#65 added shared/static link cmake option through -DLINK=[SHARED|STATIC]
#66 Added memory leak detection manager (only for GNU toolchain). It needs memmanager https://github.org/jespa007/memmanager and pass -DMEMMANAGER parameter on cmake
#67 Compact all utils source in one called CZetScriptUtils
#68 implement try/catch. CZetScript getErrorMsg is not used anymore. catch will return message error and line
#69 Fix memory leaks on delete keyword
#70 concatenate string with return result from variable dot access it gives the function instead of result.
#71 Improve cmake print messages
#72 post declare variable members it gives "already declared variable error"
#73 fixed return; fails
#74 vectors are not deallocated if they are initialized on functions and declared as global (may be it has to deallocate on clearGlobalVariables ?)
#75 create vars within for/while scope gives memory leaks and there's no control about nomber of open/close claudators on main function
#76 Fix print parent variable on access member error
#78 Allow N instances of zetscript instead of single one
#80 initialize vars within class doesn't tell any error or warning
#81 Fixed final parentesis/claudator lack detector
#82 Allow "this" do assign or pass parameter as well as any object
#85,#103 Implement for(..in..)
#86 Implement access vector element by string
#87 vector: Fixed error "push" strings into vector
#88 struct: Fixed fail to find none of its elements
#89 string as function parameter: Fixed doesn't parse " within string
#90 for: Support for no pre/conditional and post expressions.
#91 Changed name vector::add by vector::push
#92 Support for StringVar to const char conversion as parameter into C function
#94 for/while/switch: break support
#95 for: obligate to put "var" on pre for expression
#96 for: continue keyword support
#98 removed statment concept
#99 register C constant feature
#100 Improved virtual machine speed (Improved ~ x1.4)
#101 Adapt inheritance feature developed on 1.1.3 version
#102 Bug: can use variable before define var itself
#103 Adapt foreach to for(.. in .. )
#104 optimize embeded container ScriptVariable
#105 Get rid AST Node limitation
#106 Study whether is posible parse + compile in single step
#107 Way to get the symbol_value at run time without ASTNode
#108 Wayt to get filename + line without AST_NODE
#109 Optimize parseExpression
#110 Change concept structure by dictionary
#111 C stuff in the global scope when is reevaluated
#112 replace std::bind
#116 CMakeLists: Make permament static link and add -DFCOMPILE
#114 Turn CZetScript class into helper functions inside zetscript namespace enhancement feature
#117 Make MACROS register_C_XXXX all uppercase
#119 CEval as eval (all functions are C functions within zs member)
#118 split CZetScriptUtils file in io_utils, path_utils, logger as static function
#113 Replace try/catch by getError (canceled)
#120 Put all common function used by user in zs namespace and the rest in zs::core
#121 CEval,CScriptClassFactory and CZetScript as instanceable
#122 Restore CScriptClassFactory
#124 Implement Integer helper class
#125 Implement String helper class
#126 Save pure c function instead of std::function for speed improvement
#128 Implement register_c_function_as_member
#129 Migrate new C++ coding style
#130 Feature add variables into instanced class (i.e this.a=0;)
#131 Adapt language to ECMA-6
#132 do not requires ; char as end expression
#133 Perform SUB instead of NEG+ADD
#134 Implement Math helper class
#135 eval negative identifier and constants tokens and perform LOAD with negative option or load negative constants instead of doing NEG.
#136 Clear unusued scopes
#137 Callback function support
#138 remove all std::vector and std::string access on VM
#139 Implement const operator
#140 Implement Array methods
#141 limit n params only for c functions
#142 Try to optimize bind function member
#144 Implement System helper class PART1
#145 Implement eval Array object
#146 Implement eval Dictionary object
#147 Implement bind class const static variable
#148 replace all writeError functions by throw and remove error param
#150 String operator + with any stackelement
#154 Fix continue, break keyword
#153 fix DO-WHILE keyword
#152 fix WHILE keyword
#151 fix FOR keyword
#155 Check compile Visual Studio 2015, 2019
#156 Fix SWITCH
#157 Fix +=,-=,/= etc operator
#159 Implements zetscript documentation asciidoctor
#160 Update Invader ZetScript 2.0
#161 Merge symbol+functions in one container !!!
#162 Implement eval Function object
#164 implement length property built-in for get length of vector/dictionary/string instead of call size()
#166 control the increment of vm_stk_current/vm_str_current
#168 When semicolon on expression is missing it shows wrong filename
#169 Fix/Check metamethods
#170 Fix class
#171 test returns stack var with 0 refs (solved by #230, user is in charge to destroy lifetime objects)
#172 get rid super scope
#173 Manage this context automatically on anonymouse function created on class
#175 Arguments as E/S
#174 Expression optimization: Evaluate constant operations
#177 Implement saveCurrentState
#179 Bug if-else fails {max scope reached}
#180 Return vector or dictionary not deref its user properties
#181 Implement var args
#182 Make StringStringScriptObject iterable like Array
#183 Implement ScriptObject methods
#184 Implement + for Array
#185 parser char as integer
#186 Implement StriptVarString methods
#187 Implement Console helper class
#189 give call stacktrace from exception
#190 eval_expression operator fails
#192 Fix multiassigment
#193 Check fix ternari
#194 Detect literal or assigments within literals
#195 Change ScriptVar by Script and remove ScriptVarDictionnary
#196 Do not extend property when it access
#197 Avoid vector/string objects to add properties through string
#199 Check fix instanceof
#200 Implement count variable
#201 System.print: convert any stackelement in string if argument itself is not string var
#202 getSymbolRecursive it iterates twice if scope direction is set as ScopeDirection::SCOPE_DIRECTION_BOTH Fix
#203 Implement operator + object
#204 Implement indexs as ArrayScriptObject in ScriptObject
#205 desglosse BYTE_LOAD to BYTE_LOAD_XXXX
#206 Override global functions
#207 ObjectString: Implement operator []
#208 Implement Float helper class
#209 Implement Boolean helper class
#210 Fix check keyword delete
#211 Fix check directive import
#212 Fix accessors betwen assigns
#213 Replace int by intptr
#214 replace throw_script_error by other smart way to manage exceptions
#216 Accept .,() and [] as operator
#217 div/mod issues
#218 Encapsulate std::string in ObjectString
#219 Create iterator
#220 Set information for non-existant properties in store instruction
#222 do as an option to show system functions
#223 get static function through class
#224 implement keyword static
#215 Implement typeof operator
#227 implement DateTime class
#229 Implement toJson(bool formated=false) for vector and Object
#230 Control return ScriptObject[String] values that are not deallocated by user
#231 register class passing C function constructor and destructor
#232 Implement setter/getter for member variables
#233 Implement operator IN
#234 Back to class name constructor
#235 Make optional function keyword as member function class
#236 Implement sequence expressions
#237 Optimize memory
#238 Change behaviour save vars
#239 change absolute jmp offset by relative jmp offset
#240 Implement Multiple Assignment
#241 Optimize VM Stack Based operations
#243 Expression optimization: immediate register/constant load on operations
#244 Optimize memory for constants
#245 Get rid of MSK_STACK_ELEMENT_UNDEFINED/MSK_STACK_ELEMENT_STRING
#247 Optimization: move type field load variable to byte load_variable_XXXX
#248 Restructure script object elements
#249 Allow function default arg value
#252 Allow var class with optional initialization
#253 Get rid RESET STACK on each expression
#254 VM optimization: Immediate load if member or function are members
#255 Set Strict Bind static funcions
#256 Make compatibility back loops, while, switch, pre/post increment etc
#257 Set as local variable not found in the block if declared after its using
#258 Access object properties by other type rather string feature
#259 Erase user properties only by remove operator
#261 zs_test: test every single simple check to within script and then launch complex scripts and stop if any fails
#262 Select compile double or float precision config
#263 ObjectString: Implement operator + feature feature
#264 Implement passing args by reference
#265 Implement zs_test_strict
#266 Optimize using Push/Pop scope
#267 Implement Builtin helper class Json
#269 Implement String methods
#270 Get rid of C++ functions binding. Allow only C functions or optimized way
#271 Register member variables through getter/setter instead of the variable
#272 Separate built-in properties and user properties
#275 Change VirtualMachine class by struct and C functions
#276 Implement built-in iterators
#277 optimize access stk_vm_current
#279 Support array access for ObjectScriptObject
#281 Console Helper Class
#282 Improve the meaning of printing errors
#284 Seffault when native function returns object as NULL
#285 No finding static function
#288 ScriptStringScriptObject::format: First implementation format argument with ':'
#289 Example bind "object" from C code
#290 Json::serialize: expose attributes metamethods that implements getters
#291 vm_call_function_native: Support std::string return type
#292 Make mandatory use of static function for operator metamethods with two args
#293 Make operation with assigment operations it does indefined behaviour on calling funcionts and its results
#294 undefined behaviour when call delete
#295 Allow switch to have expressions/variables in the case
#296 Create inc/dec metamethods and include in attribute metamethods
#297 Vector/Object & class by default it gives all public members in json format by default when prints or do toString()
#298 Do not store function members in Object
#299 Do not allocate for attribute member in script object
#300 Use linear array instead of Vector in vm runtime
#301 Solve inherited class call overrided function
#303 Implement ZS_BYTE_CODE_IMMEDIATE_CALL ZS_BYTE_CODE_THIS_CALL
#304 Cache scope data
#305 Simplify VMScope info optimitzation
#306 Get rid PUSH/POP begining function optimitzation
#307 Solve all symbols after each eval
#308 Save memory: get rid of std::string and std::map
#309 Create new from type info stk variable
#311 Instruction: Add property reset stack if last instruction of expression is CALL or STORE
#312 Direct call if metamethod is action or function without any params optimitzation
#313 Change names Property -> Field / Attribute -> Property
#314 Save n paramater/return count for each call in instruction->value_op1
#315 Test stack element limits
#316 default functions generates extra byte codes
#317 Change concept of class by type
#302 Improve MapString
#319 Detect when function member object is called and its own object is destroyed
#323 Implement operator "==" for Array
#323 Implement operator "==" for Array
#324 Mandatory ScriptEngine *_script_engine first param for to all binding functions
#325 evaluation inherited class doesn't update references from its parent
#326 Constructor member as named "constructor"
#330 When try to access property member from native class it gives a non apropiate message
#331 Operation to find native member functions for call always returns first function from instance and ignores inherited functions with same name and diferents signatures
#332 Operation XXX "in" YYYY "==" boolean_value, not evals first "in" and then "=="
#333 for in doesn't work for function calls
#335 Generate library name with version
#334 Implement concatenated call
#337 Implement MapInt
#336 Solve problem ciclic references
#339 Conditionals evaluates whole condition instead of first breaking condition improvement
#340 StackOverflow core dumped in deep recursion
#346 ZetScript it can allow register two same C++ types
#350 Extend from script from native type should be instantiable
#353 Memory peak on exit for-in
#355 Constant comparison string vs integer it throws a internal error that is not show
#357 Change SET to ASSIGN to have a better concept of assignment instead of set.
#356 When call is not possible for incompatible binding when it prints possible candidates add TEXT if function is MEMBER or STATIC

Version: 1.3.0 Date: 2018-03-30

#48 Optimize compile process.
#47 Implement interactive console (zs).
#46 Fixed seg fault on destroy objects in struct.
#49 doing operations of returning values doesnt't work.
#39 Script function and script classes are not clean after call cleancompile
#53 Not do pop scope on returns inside body
#56 Show only line if file == DEFAULT_FILENAME or not found
#57 it gives "Expected symbol after ','" message on void structs
#54 Memory leaks detection (only for new keywords that involve C class)
#55 Implement add_attr/remove_attr functions for CStructVariable
#58 Removed clear compile information on saveState.
#59 Return undefined on NULL pointers after call C function with value.
#60 seg fault on calling first a function call and then register a variable
#61 Clean whoke stack array on clean compile
#62 VM speed improve ~ x2

Added fibonacci test (fib.zs)

Version: 1.2.0 Date: 2018-02-13

#30 ASTNode.h right push/pop pragma.
#31 Configure output library as shared.
#28 Fixed ciclic dependency in class_C_baseof function on already registered classes.
#34 Added support for unsigned int and intptr_t types.
#35 Fixed. Bug bad scope index on push/pop ast node
#36 Fixed. It doesn't register a class if it tries to register some variable base of class that has not registered by base_of_class
#37 Fixed. When symbols are not found during searching on its linking, it does a memory corruption
#38 Fixed. Bug double free pointer on set/restore state
#39 Fixed. Script function and script classes are not clean after call cleancompile function.
#41 More detail information about error accessing function "XXXXX" when prints "Expected scriptvar".
#43 Improvement split eval process into parse, compile and execute functions.
#40 Support detection class base of param type in C function calls.
#41 Fixed/Implemented. Due virtual classes changes its memory map at run-time, function and variables cannot ensure the same pointer as base class so has been decided to disable heritate all functions/variables from parent classes (only C). Due 41, now we have to pass class type on both register_C_MemberFunction/register_C_VariableMember (+1 feature version)
#45 Fixed. Seg. fault on returning wrong C pointer derived class. A helper function has been implemented to return right pointer in function of type parameter.
Due float it cannot be the same size as the any param of c functions, float type is disable since 1.2. Instead do float *.
Fixed. Seg.faults on returning strings * from C functions.
Check if C function can be registered. C function should be registered at last elements.
VM: It prints more information when user wants to access to member function into primitive. Currently it gives the error
Support converting pointers C functions if can derive from base class.
Fixed. Seg.faults on autodelete C pointers given by some C function.
Fixed. Assignment of C variables of type int/number independent if source script variable is int or number.
vscript2vector: support for converting elements to numbers (aka floats).
Removed assign hereritance of runtime stack var on assigment op.
Fixed. Seg. fault on restore/save states.
Renamed zg_variable.x to zs_variable.

Version: 1.1.3 Date: 2017-11-19

Make compatible binding functions with MSVC compiler.

Version: 1.1.2 Date: 2017-11-19

Solved bug #25: Fixed error on keyword after case/default keyword

Version: 1.1.1 Date: 2017-11-12

#21 bind functions already implemented
#22 cast vector from/to stk implemented
#23 Fixed bug
#24 Fixed bug

Version: 1.1.0 Date: 2017-11-11

Script function calls usign std::function.

Version: 1.0.2 Date: 2017-11-05

Solved some bugs
print comulative errors getErrorMsg()

Version: 1.0.1 Date: 2017-11-04

Solved some bugs

Version: 1.0.0 Date: 2017-11-04

First version

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