42 lines
1.1 KiB
Plaintext
42 lines
1.1 KiB
Plaintext
(*
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* Copyright 2014, General Dynamics C4 Systems
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(GD_GPL)
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*)
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theory Cache
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imports "~~/src/HOL/Main"
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begin
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text {* Enable the proof cache, both skipping from it
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and recording to it. *}
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ML {* DupSkip.record_proofs := true *}
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ML {* proofs := 1 *}
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ML {* DupSkip.skip_dup_proofs := true *}
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text {* If executed in reverse order, save the cache *}
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ML {* val cache_thy_save_cache = ref false; *}
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ML {*
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if (! cache_thy_save_cache)
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then File.open_output (XML_Syntax.output_forest
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(XML_Syntax.xml_forest_of_cache (! DupSkip.the_cache)))
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(Path.basic "proof_cache.xml")
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else () *}
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ML {* cache_thy_save_cache := true *}
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ML {* cache_thy_save_cache := false *}
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text {* Load the proof cache
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- can take up to a minute *}
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ML {*
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DupSkip.the_cache := XML_Syntax.cache_of_xml_forest (
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File.open_input (XML_Syntax.input_forest)
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(Path.basic "proof_cache.xml")) *}
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end
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