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Last night, in working with Devel::Recreate (suggest a better module name, please!), I discovered that it's devilishly difficult to differentiate between use and require or capture import lists. After discussions with Andy Armstrong, the only thing I could think of is either coderefs in @INC or overriding *CORE::GLOBAL::require. I can't tell if either solution allows me to differentiate between the use and require. The only thing I could think of is that use is basically this:

BEGIN { require Module; import Module LIST; }

In other words, if require is triggered, I could use HookLexWrap to wrap the import statement (considering inheritance, of course) to fetch the import list. I'd also have to write some XS code to try and grab PL_beginav to find out if the require happened in the BEGIN phase. Thus, the following would be considered a use statement:

BEGIN { require Some::Module; Some::Module->import(@args); }

Naturally, this is all very rickety. Is there a better way to do this?

Cheers,
Ovid

New address of my CGI Course.


In reply to Was a module use'd or require'd? by Ovid

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