{"record":{"id":"dba7bfbff3e8c16a","repo":"Yalantis/uCrop","slug":"cimg-appname-math-parser-cimg-s-s-s-s-ar","errorCode":null,"errorMessage":"[cimg_appname_math_parser] CImg<%s>::%s: %s: %s arguments provided, in expression '%s'.","messagePattern":"\\[cimg_appname_math_parser\\] CImg<(.+?)>::(.+?): (.+?): (.+?) arguments provided, in expression '(.+?)'\\.","errorType":"exception","errorClass":"CImgArgumentException","httpStatus":null,"severity":"error","filePath":"ucrop/src/main/jni/CImg.h","lineNumber":20913,"sourceCode":"                                                1,1,1, // [21]=xdilation, [22]=ydilation, [23]=zdilation,\n                                                0,0,0, // [24]=xoffset, [25]=yoffset, [26]=zoffset\n                                                ~0U,~0U,~0U}; // [27]=xsize, [28]=ysize, [29]=zsize\n\n              l_opcode.assign(); // Don't use 'opcode': it could be modified by further calls to 'compile()'!\n              CImg<ulongT>(default_params,1,sizeof(default_params)/sizeof(ulongT)).move_to(l_opcode);\n\n              arg1 = 2;\n              for (s = std::strchr(ss,'(') + 1; s<se && arg1<l_opcode[0]._height; ++s) {\n                ns = s; while (ns<se && (*ns!=',' || level[ns - expr._data]!=clevel1) &&\n                               (*ns!=')' || level[ns - expr._data]!=clevel)) ++ns;\n                l_opcode(0,arg1++) = compile(s,ns,depth1,0,block_flags);\n                s = ns;\n              }\n              l_opcode[0].move_to(opcode);\n\n              if (arg1<12 || arg1>opcode._height) {\n                _cimg_mp_strerr;\n                throw CImgArgumentException(\"[\" cimg_appname \"_math_parser] \"\n                                            \"CImg<%s>::%s: %s: %s arguments provided, in expression '%s'.\",\n                                            pixel_type(),_cimg_mp_calling_function,s_op,\n                                            arg1<12?\"Not enough\":\"Too much\",s0);\n              }\n              _cimg_mp_check_type(opcode[2],1,2,0); // I\n              _cimg_mp_check_const_scalar(opcode[3],2,3); // wI\n              _cimg_mp_check_const_scalar(opcode[4],3,3); // hI\n              _cimg_mp_check_const_scalar(opcode[5],4,3); // dI\n              _cimg_mp_check_const_scalar(opcode[6],5,3); // sI\n              _cimg_mp_check_type(opcode[7],6,2,0); // K\n              _cimg_mp_check_const_scalar(opcode[8],7,3); // wK\n              _cimg_mp_check_const_scalar(opcode[9],8,3); // hK\n              _cimg_mp_check_const_scalar(opcode[10],9,3); // dK\n              _cimg_mp_check_const_scalar(opcode[11],10,3); // sK\n              _cimg_mp_check_type(opcode[12],11,1,0); // boundary_conditions\n              _cimg_mp_check_type(opcode[13],12,1,0); // is_normalized\n              _cimg_mp_check_const_scalar(opcode[14],13,1); // channel_mode\n              if (opcode[15]!=~0U) _cimg_mp_check_type(opcode[15],14,1,0); // xcenter","sourceCodeStart":20895,"sourceCodeEnd":20931,"githubUrl":"https://github.com/Yalantis/uCrop/blob/f788b534b48c144edf786c8cddbf0e029e637804/ucrop/src/main/jni/CImg.h#L20895-L20931","documentation":"An argument-count guard for a math-parser opcode that requires between 12 and opcode._height arguments (the first arguments are mandatory: input image variable, width, etc.). If fewer than 12 were parsed, it reports 'Not enough arguments'; more than the opcode height means 'Too much'. The check runs after parsing the argument list into l_opcode/opcode, before type-checking the image and width arguments.","triggerScenarios":"Invoking the corresponding expression function (an image-processing opcode taking >=12 parameters, e.g. a structured convolution/block operation) with fewer than the 12 mandatory arguments, or with more arguments than the opcode table can hold (overflow of optional trailing parameters).","commonSituations":"Porting an expression between CImg/G'MIC versions where the parameter list grew; omitting optional-looking-but-required middle parameters (they cannot be skipped without placeholders); pasting a truncated expression.","solutions":["Provide all mandatory arguments (at least the 12 required slots), using explicit defaults for the ones you don't care about if the function accepts them.","Trim any surplus trailing arguments beyond the documented maximum.","Compare against the function's signature for the exact CImg version you link against.","Use placeholder/default tokens (e.g. matching documented defaults) instead of omitting middle arguments."],"exampleFix":"// before\nop(img, 8, ...) // only a few args -> 'Not enough arguments'\n// after\nop(img, 8, wI, hI, dI, sI, 1,1,1,1, 0, 1) // full 12-arg form","handlingStrategy":"validation","validationCode":"if (args.size() < 12) throw std::runtime_error(\"opcode requires at least 12 arguments, got \" + std::to_string(args.size()));\nif (args.size() > MAX_SLOTS) throw std::runtime_error(\"too many arguments\");","typeGuard":null,"tryCatchPattern":"try {\n  img.fill(expr.c_str());\n} catch (const CImgArgumentException& e) {\n  std::cerr << \"argument count error: \" << e.what() << std::endl;\n}","preventionTips":["Supply explicit defaults for optional-but-positionally-required arguments","Check the function signature for the exact CImg version in use","Do not truncate pasted expressions","Keep expression builders that emit all parameters explicitly"],"tags":["cimg","math-parser","argument-count","expression"],"backgroundTag":"missing-required-argument","analyzedSha":"f788b534b48c144edf786c8cddbf0e029e637804","analyzedAt":"2026-09-08T08:36:04.887Z","contentChangedAt":"2026-09-08T08:36:04.887Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}