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fix(ast lowerer): add arity check for 'pop' and 'pop!'#664

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SuperFola merged 1 commit intodevfrom
fix/663
Mar 23, 2026
Merged

fix(ast lowerer): add arity check for 'pop' and 'pop!'#664
SuperFola merged 1 commit intodevfrom
fix/663

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Description

Add arity check at comptime for pop and pop!.

Closes #663

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

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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/Compiler/Lowerer/ASTLowerer.cpp 349:428 Ark::internal::ASTLowerer::compileListInstruction 3 64 32
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 834:980 Ark::internal::ASTLowerer::handleFunctionCall 3 114 30
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 211:315 Ark::internal::ASTLowerer::compileExpression 4 87 29
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 780:832 Ark::internal::ASTLowerer::handleOperator 3 42 18
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 106:128 Ark::internal::ASTLowerer::nodeProducesOutput 1 18 17
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 583:631 Ark::internal::ASTLowerer::compileLetMutSet 4 40 17
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 500:581 Ark::internal::ASTLowerer::compileFunction 3 59 16
Report about files you didn't modify in this PR
Filename Start line:end line Function name Parameters NLOC CCN
src/arkreactor/VM/VM.cpp 407:2156 Ark::VM::safeRun 3 1471 288
src/arkreactor/Compiler/Macros/Processor.cpp 259:634 Ark::internal::MacroProcessor::evaluate 3 344 115
src/arkreactor/Compiler/BytecodeReader.cpp 297:726 Ark::BytecodeReader::display 4 380 114
src/arkreactor/Error/Diagnostics.cpp 45:192 Ark::Diagnostics::makeContext 4 109 44
src/arkscript/main.cpp 24:383 main 2 310 43
src/arkscript/JsonCompiler.cpp 27:276 JsonCompiler::_compile 1 214 38
src/arkreactor/Compiler/NameResolution/NameResolutionPass.cpp 162:267 Ark::internal::NameResolutionPass::visitKeyword 3 85 35
src/arkreactor/Builtins/Slice.cpp 21:93 Ark::internal::Builtins::slice 1 63 34
src/arkreactor/Compiler/AST/Parser.cpp 841:932 Ark::internal::Parser::string 1 88 32
src/arkreactor/Compiler/AST/Node.cpp 179:285 Ark::internal::Node::repr 0 90 30
src/arkreactor/Compiler/Macros/Processor.cpp 107:191 Ark::internal::MacroProcessor::processNode 3 63 28
src/arkreactor/Compiler/AST/Node.cpp 287:368 Ark::internal::Node::debugPrint 1 70 26
src/arkreactor/TypeChecker.cpp 149:236 Ark::types::generateError 6 75 25
src/arkreactor/TypeChecker.cpp 32:147 Ark::types::displayContract 6 102 24
src/arkreactor/Compiler/NameResolution/NameResolutionPass.cpp 56:160 Ark::internal::NameResolutionPass::visit 2 83 23
src/arkreactor/Compiler/AST/Parser.cpp 289:417 Ark::internal::Parser::import_ 1 98 23
include/utf8.hpp 138:184 utf8::isValid 1 44 21
src/arkreactor/VM/Value/Value.cpp 77:145 Ark::Value::toString 2 54 21
src/arkreactor/Compiler/AST/Optimizer.cpp 35:85 Ark::internal::Optimizer::countAndPruneDeadCode 1 42 20
src/arkreactor/VM/VM.cpp 2310:2404 Ark::VM::backtrace 3 81 20
src/arkreactor/Compiler/NameResolution/StaticScope.cpp 68:109 Ark::internal::NamespaceScope::get 3 32 19
src/arkreactor/VM/Debugger.cpp 251:327 Ark::internal::Debugger::prompt 4 70 19
src/arkscript/Formatter.cpp 501:560 Formatter::formatCall 2 51 19
src/arkreactor/Builtins/String.cpp 46:112 fmt::formatter::parse 1 59 18
src/arkreactor/Compiler/AST/Optimizer.cpp 87:144 Ark::internal::Optimizer::pruneUnusedGlobalVariables 1 50 18
src/arkscript/Formatter.cpp 186:248 Formatter::format 3 59 18
src/arkreactor/Compiler/Macros/Executors/Function.cpp 16:89 Ark::internal::FunctionExecutor::applyMacro 2 56 17
include/Ark/Compiler/AST/Predicates.hpp 132:156 Ark::internal::IsSymbol::operator ( ) 1 24 16
src/arkscript/Formatter.cpp 298:339 Formatter::formatFunction 2 35 16
src/arkreactor/Compiler/Macros/Executors/Function.cpp 99:156 Ark::internal::FunctionExecutor::unify 5 50 15
src/arkreactor/VM/VM.cpp 2168:2225 Ark::VM::throwArityError 4 47 15
src/arkreactor/Compiler/IntermediateRepresentation/IROptimizer.cpp 22:260 Ark::internal::IROptimizer::IROptimizer 1 219 14
src/arkreactor/Error/Diagnostics.cpp 194:211 Ark::Diagnostics::helper 7 17 2

CppCheck report

Filename Line Type Description
src/arkreactor/Compiler/Lowerer/ASTLowerer.cpp 606 style Consider using std::count_if algorithm instead of a raw loop.
Report files about files you didn't modify in this PR
Filename Line Type Description
include/Ark/VM/VM.inl 258 style Variable 'maybe_value_ptr' can be declared as pointer to const
src/arkreactor/Builtins/Bytecode.cpp 23 style Parameter 'vm' can be declared as pointer to const
src/arkreactor/Builtins/IO.cpp 165 style Consider using std::transform algorithm instead of a raw loop.
src/arkreactor/Compiler/BytecodeReader.cpp 478 style struct member 'Arg::kind' is never used.
src/arkreactor/Compiler/IntermediateRepresentation/IROptimizer.cpp 249 style Consider using std::transform algorithm instead of a raw loop.
src/arkreactor/Compiler/IntermediateRepresentation/IROptimizer.cpp 256 style Consider using std::transform algorithm instead of a raw loop.
src/arkreactor/Compiler/NameResolution/ScopeResolver.cpp 134 style Consider using std::find_if algorithm instead of a raw loop.
src/arkreactor/VM/VM.cpp 281 error Iterators of different containers 'm_execution_contexts.emplace_back(std::make_unique())' and 'm_execution_contexts.front()' are used together.
include/Ark/VM/Value/Future.hpp 50 style Unused private function: 'Future::deleteSelfViaVM'
src/arkreactor/VM/Value/Future.cpp 23 performance Variable 'm_value' is assigned in constructor body. Consider performing initialization in initialization list.

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Super Instructions report

Some Super Instructions are under the usage threshold (10).

Super Instruction Uses in compiled code
INCREMENT 9
LT_CONST_JUMP_IF_FALSE 8
NEQ_SYM_JUMP_IF_FALSE 4
SET_VAL_TAIL 4
STORE_HEAD 2
MUL_BY 2
CHECK_TYPE_OF 2
NEQ_CONST_JUMP_IF_TRUE 2
GT_SYM_JUMP_IF_FALSE 1
SET_VAL_TAIL_BY_INDEX 1
SET_VAL_HEAD_BY_INDEX 1
MUL_SET_VAL 1
SET_VAL_HEAD 1
STORE_TAIL 1
Super Instructions over the threshold
Super Instruction Uses in compiled code
CALL_SYMBOL 3950
LOAD_CONST_LOAD_CONST 2443
LOAD_CONST_STORE 1732
LOAD_CONST_SET_VAL 645
CALL_BUILTIN 577
GET_FIELD_FROM_SYMBOL_INDEX 376
INCREMENT_STORE 374
AT_SYM_SYM 357
CALL_BUILTIN_WITHOUT_RETURN_ADDRESS 310
GET_FIELD_FROM_SYMBOL 273
STORE_LIST 259
CALL_SYMBOL_BY_INDEX 251
APPEND_IN_PLACE_SYM 230
LT_LEN_SYM_JUMP_IF_FALSE 205
LT_SYM_JUMP_IF_FALSE 107
SET_VAL_FROM_INDEX 101
EQ_SYM_INDEX_JUMP_IF_TRUE 96
SET_VAL_FROM 80
STORE_FROM_INDEX 78
FUSED_MATH 63
STORE_LEN 58
AT_SYM_INDEX_SYM_INDEX 54
LT_CONST_JUMP_IF_TRUE 52
CALL_CURRENT_PAGE 51
DECREMENT_BY_INDEX 46
EQ_CONST_JUMP_IF_TRUE 39
GT_CONST_JUMP_IF_TRUE 34
AT_SYM_INDEX_CONST 34
DECREMENT_STORE 31
GT_CONST_JUMP_IF_FALSE 27
MUL_BY_INDEX 26
STORE_HEAD_BY_INDEX 24
STORE_TAIL_BY_INDEX 23
CHECK_TYPE_OF_BY_INDEX 17
DECREMENT 17
APPEND_IN_PLACE_SYM_INDEX 15
STORE_FROM 14
INCREMENT_BY_INDEX 14

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Pull Request Test Coverage Report for Build 23436020346

Details

  • 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
  • No unchanged relevant lines lost coverage.
  • Overall coverage increased (+0.001%) to 93.712%

Totals Coverage Status
Change from base Build 23406240204: 0.001%
Covered Lines: 9643
Relevant Lines: 10290

💛 - Coveralls

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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 : 36 thousands
 Cumulative speed : 120 execs/sec
    Pending items : 136 faves, 1157 total
 Coverage reached : 10.59%
    Crashes saved : 0
      Hangs saved : 0

Cycles without finds : 0
Time without finds : 0

[+] Captured 43864 tuples (map size 242602, highest value 255, total values 414696367) in '/dev/null'.
[+] A coverage of 43864 edges were achieved out of 242624 existing (18.08%) with 1165 input files.

@SuperFola SuperFola merged commit 6db2011 into dev Mar 23, 2026
32 checks passed
@SuperFola SuperFola deleted the fix/663 branch March 23, 2026 12:05
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pop(!) allows unlimited number of arguments

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