Feat/execution ctx pool

[SuperFola]

Description

Creates a pool of execution contexts that can be reused to avoid constantly requesting memory and deleting contexts.

Checklist

• I have read the Contributor guide
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation if needed (on https://github.com/ArkScript-lang/website, content/docs/)
• I have added tests that prove my fix/feature is working
• New and existing tests pass locally with my changes

[github-actions]

Static analysis report

Lizard report

Listing only functions with cyclomatic complexity >= 15 or NLOC >= 100 or parameters >= 6.

Filename	Start line:end line	Function name	Parameters	NLOC	CCN
src/arkreactor/VM/VM.cpp	499:1952	Ark::VM::safeRun	3	1217	249
src/arkreactor/VM/VM.cpp	2071:2177	Ark::VM::backtrace	3	91	22

Report about files you didn't modify in this PR

Filename	Start line:end line	Function name	Parameters	NLOC	CCN
src/arkreactor/Compiler/Macros/Processor.cpp	239:617	Ark::internal::MacroProcessor::evaluate	3	355	125
src/arkreactor/Compiler/BytecodeReader.cpp	274:557	Ark::BytecodeReader::display	4	241	95
src/arkreactor/Exceptions.cpp	87:297	Ark::Diagnostics::makeContext	9	152	61
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp	540:711	Ark::internal::ASTLowerer::handleCalls	4	130	42
src/arkscript/JsonCompiler.cpp	27:260	JsonCompiler::_compile	1	200	36
include/Ark/Compiler/AST/Parser.hpp	107:196	Ark::internal::ARK_APIParser::string	0	87	32
src/arkreactor/Compiler/NameResolution/NameResolutionPass.cpp	162:273	Ark::internal::NameResolutionPass::visitKeyword	3	93	32
src/arkscript/main.cpp	24:341	main	2	269	31
src/arkreactor/Compiler/AST/Node.cpp	189:287	Ark::internal::Node::repr	0	84	28
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp	139:242	Ark::internal::ASTLowerer::compileExpression	4	85	27
src/arkreactor/Compiler/Macros/Processor.cpp	102:185	Ark::internal::MacroProcessor::processNode	3	61	27
src/arkreactor/Compiler/AST/Node.cpp	289:362	Ark::internal::Node::debugPrint	1	64	24
src/arkreactor/TypeChecker.cpp	110:194	Ark::types::generateError	5	72	24
src/arkreactor/Compiler/NameResolution/NameResolutionPass.cpp	54:160	Ark::internal::NameResolutionPass::visit	2	87	23
src/arkreactor/Compiler/AST/Parser.cpp	292:427	Ark::internal::Parser::import_	0	109	23
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp	268:327	Ark::internal::ASTLowerer::compileListInstruction	3	49	22
include/utf8.hpp	138:184	utf8::isValid	1	44	21
src/arkreactor/Compiler/AST/Optimizer.cpp	33:83	Ark::internal::Optimizer::countAndPruneDeadCode	1	42	20
src/arkscript/REPL/Utils.cpp	52:184	Ark::internal::getColorPerKeyword	0	110	19
src/arkreactor/VM/Value.cpp	77:140	Ark::Value::toString	1	50	19
src/arkreactor/TypeChecker.cpp	28:108	Ark::types::displayContract	4	70	19
src/arkreactor/Compiler/NameResolution/StaticScope.cpp	68:109	Ark::internal::NamespaceScope::get	2	32	18
src/arkreactor/Compiler/Macros/Executors/Function.cpp	16:88	Ark::internal::FunctionExecutor::applyMacro	2	55	17
include/Ark/Compiler/AST/Predicates.hpp	132:156	Ark::internal::IsSymbol::operator ( )	1	24	16
src/arkscript/Formatter.cpp	168:224	Formatter::format	3	53	16
src/arkreactor/Compiler/Macros/Processor.cpp	699:738	Ark::internal::MacroProcessor::isConstEval	1	35	16
src/arkscript/Formatter.cpp	274:315	Formatter::formatFunction	2	35	15
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp	79:95	Ark::internal::ASTLowerer::nodeProducesOutput	1	13	15
src/arkreactor/Compiler/IntermediateRepresentation/IROptimizer.cpp	12:198	Ark::internal::IROptimizer::IROptimizer	1	163	4
src/arkreactor/Exceptions.cpp	299:310	Ark::Diagnostics::helper	9	11	2

---

CppCheck report

Filename	Line	Type	Description
src/arkreactor/VM/Future.cpp	9	performance	Variable 'm_value' is assigned in constructor body. Consider performing initialization in initialization list.
src/arkreactor/VM/Future.cpp	7	style	Parameter 'args' can be declared as reference to const
src/arkreactor/VM/VM.cpp	373	error	Iterators of different containers 'm_execution_contexts.emplace_back(std::make_unique())' and 'm_execution_contexts.front()' are used together.

Report files about files you didn't modify in this PR

Filename	Line	Type	Description
include/Ark/VM/VM.inl	247	style	Variable 'maybe_value_ptr' can be declared as pointer to const
src/arkreactor/Builtins/Dict.cpp	20	style	Parameter 'n' can be declared as reference to const
src/arkreactor/Builtins/IO.cpp	81	style	Parameter 'n' can be declared as reference to const
src/arkreactor/Builtins/IO.cpp	105	style	Parameter 'n' can be declared as reference to const
src/arkreactor/Compiler/BytecodeReader.cpp	440	style	struct member 'Arg::kind' is never used.
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp	244	style	Parameter 'x' can be declared as reference to const
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp	494	style	Parameter 'x' can be declared as reference to const
src/arkreactor/Compiler/NameResolution/NameResolutionPass.cpp	142	style	Consider using std::find_if algorithm instead of a raw loop.
src/arkreactor/VM/State.cpp	187	style	Consider using std::any_of, std::all_of, std::none_of algorithm instead of a raw loop.

[github-actions]

Fuzzing report

/usr/local/bin/afl-whatsup status check tool for afl-fuzz by Michal Zalewski

Summary stats

    Fuzzers alive : 0
   Dead or remote : 1 (included in stats)
   Total run time : 5 minutes, 0 seconds
      Total execs : 39 thousands
 Cumulative speed : 131 execs/sec
    Pending items : 141 faves, 1088 total
 Coverage reached : 12.70%
    Crashes saved : 0
      Hangs saved : 0

Cycles without finds : 0
Time without finds : 0

[+] Captured 47637 tuples (map size 220281, highest value 255, total values 377488806) in '/dev/null'.
[+] A coverage of 47637 edges were achieved out of 220288 existing (21.62%) with 1097 input files.