Ted Kremenek a écrit : > Author: kremenek > Date: Mon Oct 20 19:54:44 2008 > New Revision: 57863 > > URL: http://llvm.org/viewvc/llvm-project?rev=57863&view=rev > Log: > Added the start of a prototype implementation of PCH based on token caching. >
I only use precompiled header with visual studio. VS requirement for precompiled headers is that they must be included first and always in the same order (so I usually use one stdafx.h file to group them all). This seems like a minimal requirement for PCH and your solution need to follow it too (since the token are cached after been preprocessed isn't it?). Then, why not simply serialize the AST at the end of the precompiled headers and reload it when needed? it would allow to save parse and sema time instead of just file reading, lex and preprocessing (Do you have some figure on what take most of the time? I would have said sema, at least for C++, but perhaps readings the files is the more time consuming task). Perhaps the reponse is simply that AST serialization is still broken, then ignore me :) regards, Cédric _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
