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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Possible fundamental flaw in order of pre-processing?","articleBody":"Using the following code snippet:\r\n\r\n```\r\n#define TARGS4 T1,T2,T3,T4\r\n#define FOOIMPL(T__CLASS, TARGS) void foo(const T__CLASS\u003cTARGS\u003e\u0026 x) { }\r\n#define FOOIMPL_4(T__CLASS)      FOOIMPL(T__CLASS, TARGS4)\r\nFOOIMPL_4(y)\r\n```\r\n\r\nboth gcc and Visual C++ give the following output:\r\n\r\n```\r\nvoid foo(const y\u003cT1,T2,T3,T4\u003e\u0026 x) {}\r\n```\r\n\r\nHowever CppCheck via simplecpp gives the following error:\r\n\r\n\u003e [file.cpp:3]: (error) failed to expand 'FOOIMPL_4', Wrong number of parameters for macro 'FOOIMPL'\r\n\r\nI'm unsure but this might be related to issues #40 , #79 and #109.  Could it be that simplecpp is trying to expand pre-processor arguments too early?\r\n","author":{"url":"https://github.com/SimonFraser11","@type":"Person","name":"SimonFraser11"},"datePublished":"2017-12-28T12:01:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/113/simplecpp/issues/113"}