diff options
Diffstat (limited to 'parsing/g_vernac.ml4')
| -rw-r--r-- | parsing/g_vernac.ml4 | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/parsing/g_vernac.ml4 b/parsing/g_vernac.ml4 index 7bc5bfca3..b3233f8f0 100644 --- a/parsing/g_vernac.ml4 +++ b/parsing/g_vernac.ml4 @@ -582,7 +582,7 @@ let warn_deprecated_implicit_arguments = (* Extensions: implicits, coercions, etc. *) GEXTEND Gram - GLOBAL: gallina_ext instance_name; + GLOBAL: gallina_ext instance_name hint_info; gallina_ext: [ [ (* Transparent and Opaque *) @@ -635,17 +635,20 @@ GEXTEND Gram | IDENT "Instance"; namesup = instance_name; ":"; expl = [ "!" -> Decl_kinds.Implicit | -> Decl_kinds.Explicit ] ; t = operconstr LEVEL "200"; - pri = OPT [ "|"; i = natural -> i ] ; + info = hint_info ; props = [ ":="; "{"; r = record_declaration; "}" -> Some (true,r) | ":="; c = lconstr -> Some (false,c) | -> None ] -> - VernacInstance (false,snd namesup,(fst namesup,expl,t),props,pri) + VernacInstance (false,snd namesup,(fst namesup,expl,t),props,info) | IDENT "Existing"; IDENT "Instance"; id = global; - pri = OPT [ "|"; i = natural -> i ] -> - VernacDeclareInstances ([id], pri) + info = hint_info -> + VernacDeclareInstances [id, info] + | IDENT "Existing"; IDENT "Instances"; ids = LIST1 global; - pri = OPT [ "|"; i = natural -> i ] -> - VernacDeclareInstances (ids, pri) + pri = OPT [ "|"; i = natural -> i ] -> + let info = { hint_priority = pri; hint_pattern = None } in + let insts = List.map (fun i -> (i, info)) ids in + VernacDeclareInstances insts | IDENT "Existing"; IDENT "Class"; is = global -> VernacDeclareClass is @@ -786,6 +789,11 @@ GEXTEND Gram (Option.default [] sup) | -> ((!@loc, Anonymous), None), [] ] ] ; + hint_info: + [ [ "|"; i = OPT natural; pat = OPT constr_pattern -> + { hint_priority = i; hint_pattern = pat } + | -> { hint_priority = None; hint_pattern = None } ] ] + ; reserv_list: [ [ bl = LIST1 reserv_tuple -> bl | b = simple_reserv -> [b] ] ] ; @@ -807,8 +815,8 @@ GEXTEND Gram (* Hack! Should be in grammar_ext, but camlp4 factorize badly *) | IDENT "Declare"; IDENT "Instance"; namesup = instance_name; ":"; expl = [ "!" -> Decl_kinds.Implicit | -> Decl_kinds.Explicit ] ; t = operconstr LEVEL "200"; - pri = OPT [ "|"; i = natural -> i ] -> - VernacInstance (true, snd namesup, (fst namesup, expl, t), None, pri) + info = hint_info -> + VernacInstance (true, snd namesup, (fst namesup, expl, t), None, info) (* System directory *) | IDENT "Pwd" -> VernacChdir None @@ -866,11 +874,16 @@ GEXTEND Gram | "Set"; table = option_table; v = option_value -> begin match v with | StringValue s -> - let (last, prefix) = List.sep_last table in - if String.equal last "Append" && not (List.is_empty prefix) then - VernacSetAppendOption (prefix, s) + (* We make a special case for warnings because appending is their + natural semantics *) + if CString.List.equal table ["Warnings"] then + VernacSetAppendOption (table, s) else - VernacSetOption (table, v) + let (last, prefix) = List.sep_last table in + if String.equal last "Append" && not (List.is_empty prefix) then + VernacSetAppendOption (prefix, s) + else + VernacSetOption (table, v) | _ -> VernacSetOption (table, v) end | "Set"; table = option_table -> |