{"record":{"id":"67cee33ee999b9a7","repo":"Yalantis/uCrop","slug":"cimg-appname-math-parser-cimg-s-s-s-s-ar-67cee3","errorCode":null,"errorMessage":"[cimg_appname_math_parser] CImg<%s>::%s: %s: %s arguments, in expression '%s'.","messagePattern":"\\[cimg_appname_math_parser\\] CImg<(.+?)>::(.+?): (.+?): (.+?) arguments, in expression '(.+?)'\\.","errorType":"exception","errorClass":"CImgArgumentException","httpStatus":null,"severity":"error","filePath":"ucrop/src/main/jni/CImg.h","lineNumber":23217,"sourceCode":"                s0 = ss8; while (s0<se1 && (*s0!=',' || level[s0 - expr._data]!=clevel1)) ++s0;\n                p1 = compile(ss8,s0++,depth1,0,block_flags);\n                _cimg_mp_check_list();\n                l_opcode.assign(); // Don't use 'opcode': it can be modified by further calls to 'compile()'!\n                CImg<ulongT>::vector((ulongT)mp_image_resize,_cimg_mp_slot_nan,p1,~0U,~0U,~0U,~0U,1,0,0,0,0,0).\n                  move_to(l_opcode);\n                pos = 0;\n                for (s = s0; s<se && pos<10; ++s) {\n                  ns = s; while (ns<se && (*ns!=',' || level[ns - expr._data]!=clevel1) &&\n                                 (*ns!=')' || level[ns - expr._data]!=clevel)) ++ns;\n                  arg1 = compile(s,ns,depth1,0,block_flags);\n                  _cimg_mp_check_type(arg1,pos + 2,1,0);\n                  l_opcode(0,pos + 3) = arg1;\n                  s = ns;\n                  ++pos;\n                }\n                if (pos<1 || pos>10) {\n                  _cimg_mp_strerr;\n                  throw CImgArgumentException(\"[\" cimg_appname \"_math_parser] \"\n                                              \"CImg<%s>::%s: %s: %s arguments, in expression '%s'.\",\n                                              pixel_type(),_cimg_mp_calling_function,s_op,\n                                              pos<1?\"Missing\":\"Too much\",s0);\n                }\n                l_opcode[0].move_to(code);\n                _cimg_mp_return_nan();\n              }\n            }\n\n            if (!std::strncmp(ss,\"reverse(\",8)) { // Vector reverse\n              _cimg_mp_op(\"Function 'reverse()'\");\n              arg1 = compile(ss8,se1,depth1,0,block_flags);\n              if (!is_vector(arg1)) _cimg_mp_same(arg1);\n              p1 = size(arg1);\n              pos = vector(p1);\n              CImg<ulongT>::vector((ulongT)mp_reverse,pos,arg1,p1).move_to(code);\n              return_comp = true;\n              _cimg_mp_return(pos);","sourceCodeStart":23199,"sourceCodeEnd":23235,"githubUrl":"https://github.com/Yalantis/uCrop/blob/f788b534b48c144edf786c8cddbf0e029e637804/ucrop/src/main/jni/CImg.h#L23199-L23235","documentation":"The expression parser encountered a construct that requires between 1 and 10 arguments, but found 0 (\"Missing\") or more than 10 (\"Too much\") after parsing the comma-separated argument list. This guards opcode argument lists whose argument count is bounded at compile time.","triggerScenarios":"Writing an empty argument list 'op()' for a construct needing at least one argument, or passing more than 10 comma-separated arguments to a parser opcode with a fixed argument register limit.","commonSituations":"Trailing commas creating an empty argument, editing an expression and deleting the only argument, or programmatically generated argument lists overflowing the 10-argument cap.","solutions":["Count the arguments between the parentheses; supply at least 1 and at most 10.","Remove stray/empty arguments caused by trailing commas (e.g. 'f(a,b,)').","If more than 10 inputs are needed, split into intermediate named variables or nested calls."],"exampleFix":"// before\n'op()'\n// after\n'op(0)'","handlingStrategy":"validation","validationCode":"const args = inner.split(',').filter(a => a.trim() !== '');\nif (args.length < 1 || args.length > 10) throw new Error('Argument count ' + args.length + ' out of range 1..10');","typeGuard":null,"tryCatchPattern":"try { img.eval(expr); } catch (e) { if (/arguments, in expression/.test(e.message)) { /* inspect arg list */ } else throw e; }","preventionTips":["Strip trailing commas from generated argument lists.","Cap generated argument lists at 10 items; aggregate extras into named vectors.","Never emit empty parentheses for functions requiring arguments."],"tags":["cimg","math-parser","arguments"],"backgroundTag":"invalid-argument-count","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"}