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Diffstat (limited to 'spartan/core/elaboration.ML')
| -rw-r--r-- | spartan/core/elaboration.ML | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/spartan/core/elaboration.ML b/spartan/core/elaboration.ML index 27b6bb0..9e5e0bd 100644 --- a/spartan/core/elaboration.ML +++ b/spartan/core/elaboration.ML @@ -1,13 +1,14 @@ (* Title: elaboration.ML Author: Joshua Chen -Basic elaboration. +Basic term elaboration. *) structure Elab: sig val elab: Proof.context -> cterm list -> term -> Envir.env val elab_stmt: Proof.context -> cterm list -> term -> Envir.env * term +val elaborate: Proof.context -> cterm list -> ('a * (term * term list) list) list -> ('a * (term * term list) list) list end = struct @@ -72,5 +73,19 @@ fun elab_stmt ctxt assums stmt = in (subst', subst_term subst' stmt) end end +(*Apply elaboration to the list format that assumptions and goal statements are + given in*) +fun elaborate ctxt known assms = + let + fun subst_term env = Envir.subst_term (Envir.type_env env, Envir.term_env env) + fun elab_fact (fact, xs) assums = + let val (subst, fact') = elab_stmt ctxt assums fact in + ((fact', map (subst_term subst) xs), Thm.cterm_of ctxt fact' :: assums) + end + fun elab (b, facts) assums = + let val (facts', assums') = fold_map elab_fact facts assums + in ((b, facts'), assums') end + in #1 (fold_map elab assms known) end + end |