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  19. 10 Jul, 2010 1 commit
    • Andrei Paskevich's avatar
      add "exclusive metaproperties" to support metas-options: adding · 8b07467f
      Andrei Paskevich authored
      a meta of an exclusive kind removes the previous meta of this 
      kind (if any) from task_meta.
      
      Discuss: should driver-imposed exclusive metas have a low priority
      (i.e. driver does not add an exclusive meta if the task already 
      contains one of this kind) or should we just trust the driver
      authors not to put exclusive metas in drivers? 
      8b07467f
  20. 06 Jul, 2010 2 commits
  21. 04 Jul, 2010 1 commit
    • Andrei Paskevich's avatar
      reworking tags and transformations, stage 1: · 18a0e0b0
      Andrei Paskevich authored
      - introduce a new Theory.tdecl "Meta" to be used for tags
      - simplify cloning procedure, get rid of the th_clone field
      - when a goal proposition is discarded during cloning, 
        it's still keeped in the theory as a "skip proposition",
        this is needed to preserve/clone every local identifier.
        Skip propositions are eliminated during task formation.
      - get rid of a separate Task.tdecl type
      - reorganize the Task.task_hd record:
        * use/clone history is cached in a theory-keyed map;
        * meta-properties are cached in a tagname-keyed map.
        This is done to simplify the fine-grained configuration
        of transformations.
      18a0e0b0
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  33. 24 Mar, 2010 1 commit
    • Andrei Paskevich's avatar
      several modifications around namespaces: · b8a9808d
      Andrei Paskevich authored
      - do not add to the new namespace the old instantiated names
      - namespaces with the same name are merged instead of raising
        an exception.
      
      Attention: examples clash_namespace1.why, already_theory1.why,
      already_theory2.why, clash_type6.why, clash_type7.why migrated 
      from bench/typing/bad/ to bench/typing/good/. Please, consult
      these files and make sure you comprehend and approve the new
      semantics.
      b8a9808d
  34. 19 Mar, 2010 2 commits