{"record":{"id":"483a6cec77e2ad88","repo":"Yalantis/uCrop","slug":"cimg-appname-math-parser-cimg-s-s-s-too-m-483a6c","errorCode":null,"errorMessage":"[cimg_appname_math_parser] CImg<%s>::%s: %s: Too much arguments specified, in expression '%s'.","messagePattern":"\\[cimg_appname_math_parser\\] CImg<(.+?)>::(.+?): (.+?): Too much arguments specified, in expression '(.+?)'\\.","errorType":"exception","errorClass":"CImgArgumentException","httpStatus":null,"severity":"error","filePath":"ucrop/src/main/jni/CImg.h","lineNumber":20654,"sourceCode":"                    move_to(opcode);\n                  arg1 = 3 + arg2; break;\n                case 6 :\n                  CImg<ulongT>::vector(*opcode,opcode[1],opcode[2],0,opcode[3],opcode[4],opcode[5],~0U,\n                                       _cimg_mp_boundary).move_to(opcode);\n                  arg1 = 4 + arg2; break;\n                case 7 :\n                  CImg<ulongT>::vector(*opcode,opcode[1],opcode[2],0,opcode[3],opcode[4],opcode[5],~0U,\n                                       opcode[6]).move_to(opcode);\n                  arg1 = 4 + arg2; break;\n                case 8 :\n                  CImg<ulongT>::vector(*opcode,opcode[1],opcode[2],opcode[3],opcode[4],opcode[5],opcode[6],\n                                       opcode[7],_cimg_mp_boundary).move_to(opcode);\n                  arg1 = 5 + arg2; break;\n                case 9 :\n                  arg1 = 5 + arg2; break;\n                default : // Error -> too much arguments\n                  _cimg_mp_strerr;\n                  throw CImgArgumentException(\"[\" cimg_appname \"_math_parser] \"\n                                              \"CImg<%s>::%s: %s: Too much arguments specified, \"\n                                              \"in expression '%s'.\",\n                                              pixel_type(),_cimg_mp_calling_function,s_op,s0);\n                }\n\n                if (opcode[4]!=(ulongT)~0U) {\n                  _cimg_mp_check_const_scalar((unsigned int)opcode[4],arg1,3);\n                  opcode[4] = (ulongT)mem[opcode[4]];\n                }\n                if (opcode[5]!=(ulongT)~0U) {\n                  _cimg_mp_check_const_scalar((unsigned int)opcode[5],arg1 + 1,3);\n                  opcode[5] = (ulongT)mem[opcode[5]];\n                }\n                if (opcode[6]!=(ulongT)~0U) {\n                  _cimg_mp_check_const_scalar((unsigned int)opcode[6],arg1 + 2,3);\n                  opcode[6] = (ulongT)mem[opcode[6]];\n                }\n                if (opcode[7]!=(ulongT)~0U) {","sourceCodeStart":20636,"sourceCodeEnd":20672,"githubUrl":"https://github.com/Yalantis/uCrop/blob/f788b534b48c144edf786c8cddbf0e029e637804/ucrop/src/main/jni/CImg.h#L20636-L20672","documentation":"A function opcode dispatcher in the math parser received more arguments than any supported signature provides. The switch over argument count falls to the default case and reports 'Too much arguments specified'.","triggerScenarios":"Calling a math-parser built-in function with more arguments than its maximum supported overload (e.g. extra trailing arguments after the boundary argument).","commonSituations":"Misremembering a function signature, copy-pasted calls with leftover arguments, API changes between CImg versions altering maximum arity.","solutions":["Check the CImg reference for the function's supported signatures and drop extra arguments","Remove leftover trailing arguments (e.g. duplicate boundary values)","Pin/verify the CImg version, as accepted arities can change between releases"],"exampleFix":"// before\nnoise(I,10,0,0,128,1);\n// after\nnoise(I,10,0,0,128);","handlingStrategy":"validation","validationCode":"// Validate arity of known built-ins before evaluation\nconst maxArity = { noise: 5, blur: 4 }; // extend per function per CImg version\nfunction checkArity(expr) {\n  for (const m of expr.matchAll(/([A-Za-z_]\\w*)\\s*\\(([^()]*)\\)/g)) {\n    const fn = m[1], max = maxArity[fn];\n    if (max !== undefined) {\n      const n = m[2].split(',').filter(s => s.trim() !== '').length;\n      if (n > max) throw new Error(`${fn} takes at most ${max} args, got ${n}`);\n    }\n  }\n}\n","typeGuard":null,"tryCatchPattern":"try {\n  img.evaluate(expr);\n} catch (e) {\n  if (/Too much arguments specified/.test(String(e))) {\n    // consult function docs and drop extra args\n  } else throw e;\n}\n","preventionTips":["Check function signatures in the CImg reference for your pinned version","Remove trailing/leftover arguments after refactoring calls","Add arity checks to expression-generation code"],"tags":["cimg","math-parser","function-call","arity"],"backgroundTag":"missing-required-argument","analyzedSha":"f788b534b48c144edf786c8cddbf0e029e637804","analyzedAt":"2026-09-08T08:36:04.887Z","contentChangedAt":"2026-09-08T08:36:04.887Z","schemaVersion":2},"datasetVersion":"2026-09-17T15:17:12.973Z"}