diff options
Diffstat (limited to 'parsing')
| -rw-r--r-- | parsing/g_proofs.ml4 | 8 | ||||
| -rw-r--r-- | parsing/g_vernac.ml4 | 30 |
2 files changed, 30 insertions, 8 deletions
diff --git a/parsing/g_proofs.ml4 b/parsing/g_proofs.ml4 index a3f9793bb..e96a68bc6 100644 --- a/parsing/g_proofs.ml4 +++ b/parsing/g_proofs.ml4 @@ -64,22 +64,14 @@ GEXTEND Gram | IDENT "Show" -> VernacShow (ShowGoal OpenSubgoals) | IDENT "Show"; n = natural -> VernacShow (ShowGoal (NthGoal n)) | IDENT "Show"; id = ident -> VernacShow (ShowGoal (GoalId id)) - | IDENT "Show"; IDENT "Goal" -> VernacShow (ShowGoal (GoalId (Names.Id.of_string "Goal"))) - | IDENT "Show"; IDENT "Goal"; n = string -> - VernacShow (ShowGoal (GoalUid n)) - | IDENT "Show"; IDENT "Implicit"; IDENT "Arguments"; n = OPT natural -> - VernacShow (ShowGoalImplicitly n) - | IDENT "Show"; IDENT "Node" -> VernacShow ShowNode | IDENT "Show"; IDENT "Script" -> VernacShow ShowScript | IDENT "Show"; IDENT "Existentials" -> VernacShow ShowExistentials | IDENT "Show"; IDENT "Universes" -> VernacShow ShowUniverses - | IDENT "Show"; IDENT "Tree" -> VernacShow ShowTree | IDENT "Show"; IDENT "Conjectures" -> VernacShow ShowProofNames | IDENT "Show"; IDENT "Proof" -> VernacShow ShowProof | IDENT "Show"; IDENT "Intro" -> VernacShow (ShowIntros false) | IDENT "Show"; IDENT "Intros" -> VernacShow (ShowIntros true) | IDENT "Show"; IDENT "Match"; id = reference -> VernacShow (ShowMatch id) - | IDENT "Show"; IDENT "Thesis" -> VernacShow ShowThesis | IDENT "Guarded" -> VernacCheckGuard (* Hints for Auto and EAuto *) | IDENT "Create"; IDENT "HintDb" ; diff --git a/parsing/g_vernac.ml4 b/parsing/g_vernac.ml4 index 893605499..b605a44c8 100644 --- a/parsing/g_vernac.ml4 +++ b/parsing/g_vernac.ml4 @@ -51,6 +51,20 @@ let make_bullet s = | '*' -> Star n | _ -> assert false +let extraction_err ~loc = + if not (Mltop.module_is_known "extraction_plugin") then + CErrors.user_err ~loc (str "Please do first a Require Extraction.") + else + (* The right grammar entries should have been loaded. + We could only end here in case of syntax error. *) + raise (Stream.Error "unexpected end of command") + +let funind_err ~loc = + if not (Mltop.module_is_known "recdef_plugin") then + CErrors.user_err ~loc (str "Please do first a Require Import FunInd.") + else + raise (Stream.Error "unexpected end of command") (* Same as above... *) + GEXTEND Gram GLOBAL: vernac gallina_ext noedit_mode subprf; vernac: FIRST @@ -841,6 +855,22 @@ GEXTEND Gram | IDENT "DelPath"; dir = ne_string -> VernacRemoveLoadPath dir + (* Some plugins are not loaded initially anymore : extraction, + and funind. To ease this transition toward a mandatory Require, + we hack here the vernac grammar in order to get customized + error messages telling what to Require instead of the dreadful + "Illegal begin of vernac". Normally, these fake grammar entries + are overloaded later by the grammar extensions in these plugins. + This code is meant to be removed in a few releases, when this + transition is considered finished. *) + + | IDENT "Extraction" -> extraction_err ~loc:!@loc + | IDENT "Extract" -> extraction_err ~loc:!@loc + | IDENT "Recursive"; IDENT "Extraction" -> extraction_err ~loc:!@loc + | IDENT "Separate"; IDENT "Extraction" -> extraction_err ~loc:!@loc + | IDENT "Function" -> funind_err ~loc:!@loc + | IDENT "Functional" -> funind_err ~loc:!@loc + (* Type-Checking (pas dans le refman) *) | "Type"; c = lconstr -> VernacGlobalCheck c |