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authorGravatar letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-07-17 15:32:11 +0000
committerGravatar letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-07-17 15:32:11 +0000
commit466c4cbacfb5ffb19ad9a042af7ab1f43441f925 (patch)
treed53d87c5ac811f19056715d6ec3f2a98d5675ece /theories/PArith
parent8741623408e100097167504bc35c4cbb7982aedd (diff)
Declaremods: major refactoring, stop duplicating libobjects in modules
When refering to a module / module type, or when doing an include, we do not duplicate and substitution original libobjects immediatly. Instead, we store the module path, plus a substitution. The libobjects are retrieved later from this module path and substituted, typically during a Require. This allows to vastly decrease vo size (up to 50% on some files in the stdlib). More work is done during load (some substitutions), but the extra time overhead appears to be negligible. Beware: all subst_function operations should now be environment-insensitive, since they may be arbitrarily delayed. Apparently only subst_arguments_scope had to be adapted. A few more remarks: - Increased code factorisation between modules and modtypes - Many errors and anomaly are now assert - One hack : brutal access of inner parts of module types (cf handle_missing_substobjs) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16630 85f007b7-540e-0410-9357-904b9bb8a0f7
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