- fs: FS spcs { $1 ^ $2 };
- ident: xident spcs { $1 ^ $2 };
- th: TH spcs { $1 ^ $2 };
- xlet: LET spcs { $1 ^ $2 };
- proof: PROOF spcs { $1 ^ $2 };
- qed: QED spcs { $1 ^ $2 };
- sec: SEC spcs { $1 ^ $2 };
- xend: END spcs { $1 ^ $2 };
- unx: UNX spcs { $1 ^ $2 };
- def: DEF spcs { $1 ^ $2 };
- op: OP spcs { $1 ^ $2 };
- abbr: ABBR spcs { $1 ^ $2 };
- var: VAR spcs { $1 ^ $2 };
- ax: AX spcs { $1 ^ $2 };
- req: REQ spcs { $1 ^ $2 };
- load: LOAD spcs { $1 ^ $2 };
- xp: XP spcs { $1 ^ $2 };
- ip: IP spcs { $1 ^ $2 };
- ind: IND spcs { $1 ^ $2 };
- set: SET spcs { $1 ^ $2 };
- notation: NOT spcs { $1 ^ $2 };
+ inner_keyword:
+ | XP { $1 }
+ ;
+ xident:
+ | IDENT { $1 }
+ | outer_keyword { $1 }
+ | WITH { $1 }
+ ;
+ qid:
+ | xident { [$1] }
+ | qid AC { strip1 $2 :: $1 }
+ ;
+ idents:
+ | ident { [$1] }
+ | ident cm idents { $1 :: $3 }
+ ;
+
+/* PLAIN SKIP ***************************************************************/
+
+ plain_skip:
+ | IDENT { $1 }
+ | inner_keyword { $1 }
+ | STR { $1 }
+ | INT { $1 }
+ | COE { $1 }
+ | OC { $1 }
+ | CC { $1 }
+ | SC { $1 }
+ | CN { $1 }
+ | CM { $1 }
+ | EXTRA { $1 }
+ ;
+ inner_skip:
+ | plain_skip { $1 }
+ | outer_keyword { $1 }
+ | AC { $1 }
+ | DEF { $1 }
+ | PROOF { $1 }
+ | QED { $1 }
+ | FS { $1 }
+ | WITH { $1 }
+ ;
+
+/* LEFT SKIP ****************************************************************/
+
+ rlskip:
+ | plain_skip { $1, [] }
+ | abbr li_skips IN { $1 ^ fst $2 ^ $3, snd $2 }
+ | op ocp_skips CP { $1 ^ fst $2 ^ $3, snd $2 }
+ | IN { $1, [] }
+ | CP { $1, [] }
+ ;
+ xlskip:
+ | outer_keyword { $1, [] }
+ | AC { $1, [] }
+ | WITH { $1, [] }
+ | rlskip { $1 }
+ ;
+ xlskips:
+ | xlskip spcs { fst $1 ^ $2, snd $1 }
+ | xlskip spcs xlskips { fst $1 ^ $2 ^ fst $3, snd $1 @ snd $3 }
+ ;
+ lskips:
+ | rlskip spcs { fst $1 ^ $2, snd $1 }
+ | rlskip spcs xlskips { fst $1 ^ $2 ^ fst $3, snd $1 @ snd $3 }
+ ;
+ opt_lskips:
+ | lskips { $1 }
+ | { "", [] }
+ ;
+
+/* GENERAL SKIP *************************************************************/
+
+ rskip:
+ | rlskip { $1 }
+ | DEF { $1, [] }
+ ;
+ xskip:
+ | outer_keyword { $1, [] }
+ | AC { $1, [] }
+ | WITH { $1, [] }
+ | rskip { $1 }
+ ;
+ xskips:
+ | xskip spcs { fst $1 ^ $2, snd $1 }
+ | xskip spcs xskips { fst $1 ^ $2 ^ fst $3, snd $1 @ snd $3 }
+ ;
+ skips:
+ | rskip spcs { fst $1 ^ $2, snd $1 }
+ | rskip spcs xskips { fst $1 ^ $2 ^ fst $3, snd $1 @ snd $3 }
+ ;
+
+/* ABBREVIATION SKIP ********************************************************/
+
+ li_skip:
+ | inner_skip { $1, [] }
+ | abbr li_skips IN { $1 ^ fst $2 ^ $3, snd $2 }
+ | op ocp_skips CP { $1 ^ fst $2 ^ $3, snd $2 }
+ ;
+ li_skips:
+ | li_skip spcs { fst $1 ^ $2, snd $1 }
+ | li_skip spcs li_skips { fst $1 ^ $2 ^ fst $3, snd $1 @ snd $3 }
+ ;
+
+/* PARENTETIC SKIP **********************************************************/
+
+ ocp_skip:
+ | inner_skip { $1, [] }
+ | abbr li_skips IN { $1 ^ fst $2 ^ $3, snd $2 }
+ | op ocp_skips CP { $1 ^ fst $2 ^ $3, snd $2 }
+ | IN { $1, [] }
+ ;
+ ocp_skips:
+ | ocp_skip spcs { fst $1 ^ $2, snd $1 }
+ | ocp_skip spcs ocp_skips { fst $1 ^ $2 ^ fst $3, snd $1 @ snd $3 }
+ ;
+
+/* VERBATIM SKIP ************************************************************/
+
+ verbatim:
+ | comment { $1 }
+ | inner_skip { $1 }
+ | ABBR { $1 }
+ | IN { $1 }
+ | OP { $1 }
+ | CP { $1 }
+ | SPC { $1 }
+ ;
+ verbatims:
+ | { "" }
+ | verbatim verbatims { $1 ^ $2 }
+ ;
+
+/* PROOF STEPS **************************************************************/
+
+ step:
+ | macro_step { $1 }
+ | skips FS { snd $1 }
+ ;
+ steps:
+ | step spcs { $1 }
+ | step spcs steps { $1 @ $3 }
+ ;
+ just:
+ | steps qed { $1 }
+ | proof fs steps qed { $3 }
+ | proof skips { snd $2 }
+ | proof wh skips fs steps qed { snd $3 @ $5 }
+ ;
+ macro_step:
+ | th ident opt_lskips def xskips FS
+ { out "TH" $2;
+ [T.Inline (false, T.Con, trim $2, "", mk_flavour $1)]
+ }
+ | th ident lskips fs just FS
+ { out "TH" $2;
+ $5 @ [T.Inline (false, T.Con, trim $2, "", mk_flavour $1)]
+ }
+ | gen ident def xskips FS
+ { out "TH" $2;
+ [T.Inline (false, T.Con, trim $2, "", mk_flavour $1)]
+ }
+ | mor ident cn ident fs just FS
+ { out "MOR" $4; $6 @ mk_morphism (trim $4) }
+ | xlet ident opt_lskips def xskips FS
+ { out "TH" $2;
+ [T.Inline (true, T.Con, trim $2, "", mk_flavour $1)]
+ }
+ | xlet ident lskips fs just FS
+ { out "TH" $2;
+ $5 @ [T.Inline (true, T.Con, trim $2, "", mk_flavour $1)]
+ }
+ | var idents cn xskips FS
+ { out "VAR" (cat $2); mk_vars true $2 }
+ | ax idents cn xskips FS
+ { out "AX" (cat $2); mk_vars false $2 }
+ | ind ident skips FS
+ { out "IND" $2;
+ T.Inline (false, T.Ind, trim $2, "", None) :: snd $3
+ }
+ | sec ident FS
+ { out "SEC" $2; [T.Section (true, trim $2, $1 ^ $2)] }
+ | xend ident FS
+ { out "END" $2; [T.Section (false, trim $2, $1 ^ $2)] }
+ | unx xskips FS
+ { out "UNX" (fst $2); [T.Unexport ($1 ^ fst $2 ^ trim $3)] }
+ | req xp ident FS
+ { out "REQ" $3; [T.Include (trim $3)] }
+ | req ident FS
+ { out "REQ" $2; [T.Include (trim $2)] }
+ | load str FS
+ { out "REQ" $2; [T.Include (strip2 (trim $2))] }
+ | coerc qid spcs skips FS
+ { out "COERCE" (hd $2); coercion (hd $2) }
+ | id coerc qid spcs skips FS
+ { out "COERCE" (hd $3); coercion (hd $3) }
+ | th ident error
+ { out "ERROR" $2; failwith ("macro_step " ^ $2) }
+ | ind ident error
+ { out "ERROR" $2; failwith ("macro_step " ^ $2) }
+ | var idents error
+ { let vs = cat $2 in
+ out "ERROR" vs; failwith ("macro_step " ^ vs) }
+ | ax idents error
+ { let vs = cat $2 in
+ out "ERROR" vs; failwith ("macro_step " ^ vs) }
+ ;
+
+/* VERNACULAR ITEMS *********************************************************/
+
+ item:
+ | OQ verbatims CQ { [T.Comment $2] }
+ | macro_step { $1 }
+ | set xskips FS { [T.Unexport ($1 ^ fst $2 ^ trim $3)] }
+ | notation xskips FS { notation ($1 ^ fst $2 ^ trim $3) }
+ | error { out "ERROR" "item"; failwith "item" }
+ ;
+ items:
+ | rspcs EOF { [] }
+ | rspcs item items { $2 @ $3 }
+ ;
+
+
+/*