-(* HCoop Domtool (http://hcoop.sourceforge.net/)
- * Copyright (c) 2006, Adam Chlipala
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *)
-
-(* Pretty-printing Domtool configuration file ASTs for HTML *)
-
-structure HtmlPrint :> HTML_PRINT = struct
-
-open Ast Order
-
-val prov : providers option ref = ref NONE
-fun setProviders p = prov := SOME p
-
-structure TextToken = struct
-type token = string
-type style = HTMLDev.style
-fun string t = t
-fun style t = HTMLDev.styleTT
-fun size t = String.size t
-end
-
-structure SM = PPStreamFn(structure Token = TextToken
- structure Device = HTMLDev)
-
-structure PD = PPDescFn(SM)
-open PD
-
-fun dBox ds = hovBox (PPS.Rel 1, ds)
-fun dvBox ds = vBox (PPS.Rel 0, ds)
-fun ivBox ds = vBox (PPS.Rel 1, ds)
-
-fun keyword s = style (HTMLDev.styleB, [string s])
-val punct = string
-
-fun modify file =
- let
- val file' = #file (OS.Path.splitDirFile file)
- val file' = #base (OS.Path.splitBaseExt file')
- in
- file'
- end
-
-fun context s =
- case providesContext (valOf (!prov), s) of
- NONE => string s
- | SOME m => style (HTMLDev.link (modify m ^ ".html#C_" ^ s), [string s])
-fun typ s =
- case providesType (valOf (!prov), s) of
- NONE => string s
- | SOME m => style (HTMLDev.link (modify m ^ ".html#T_" ^ s), [string s])
-fun exp s =
- case providesValue (valOf (!prov), s) of
- NONE => string s
- | SOME m => style (HTMLDev.link (modify m ^ ".html#V_" ^ s), [string s])
-
-val field = string
-val lit = string
-val ident = string
-
-fun parenIf pn ds =
- if pn then
- dBox (punct "(" :: ds @ [punct ")"])
- else
- dBox ds
-
-fun p_pred' pn (p, _) =
- case p of
- CRoot => keyword "Root"
- | CConst s => context s
- | CPrefix p => dBox [punct "^", p_pred' true p]
- | CNot p => dBox [punct "!", p_pred' true p]
- | CAnd (p1, p2) =>
- parenIf pn [p_pred' true p1, space 1, punct "&", space 1, p_pred' true p2]
-
-val p_pred = p_pred' false
-
-fun p_predBoxed p = dBox [punct "[", p_pred p, punct "]"]
-
-fun p_typ' pn (t, _) =
- case t of
- TBase s => typ s
- | TList t => dBox [punct "[", p_typ' false t, punct "]"]
- | TArrow (t1, t2) =>
- parenIf pn [p_typ' true t1, space 1, punct "->", space 1, p_typ' true t2]
- | TAction (p, r1, r2) =>
- parenIf pn [p_predBoxed p, space 1, p_record r1, space 1,
- punct "=>", space 1, p_record r2]
- | TNested (p, t) =>
- parenIf pn [p_pred' false p, space 1, punct "=>", space 1, p_typ' false t]
-
- | TError => keyword "<error>"
- | TUnif (_, ref (SOME t)) => p_typ' pn t
- | TUnif (name, ref NONE) => string ("<" ^ name ^ ">")
-
-and p_record r =
- case StringMap.foldri (fn (name, t, d) =>
- SOME (case d of
- NONE => dBox [field name, space 1,
- punct ":", space 1, p_typ t]
- | SOME d => dBox [dBox [field name, space 1,
- punct ":", space 1, p_typ t],
- punct ",", space 1, d]))
- NONE r of
- NONE => punct "{}"
- | SOME d => dBox [punct "{", d, punct "}"]
-
-and p_typ t = p_typ' false t
-
-fun p_exp (e, _) =
- case e of
- EInt n => lit (Int.toString n)
- | EString s => lit (String.concat ["\"", String.toString s, "\""])
- | EList es =>
- (case foldr (fn (e, d) =>
- SOME (case d of
- NONE => p_exp e
- | SOME d => dBox [p_exp e, punct ",", space 1, d]))
- NONE es of
- NONE => punct "[]"
- | SOME d => dBox [punct "[", d, punct "]"])
-
- | ELam (x, NONE, e) => dBox [punct "(\\", space 1, exp x, space 1,
- punct "->", space 1, p_exp e, punct ")"]
- | ELam (x, SOME t, e) => dBox [punct "(\\", space 1, exp x, space 1,
- punct ":", space 1,
- dBox [punct "(", p_typ t, punct ")"],
- space 1, punct "->", space 1, p_exp e, punct ")"]
- | EALam (x, p, e) => dBox [punct "(\\", space 1, exp x, space 1,
- punct ":", space 1, p_pred p,
- space 1, punct "->", space 1, p_exp e, punct ")"]
-
- | EVar x => exp x
- | EApp (e1, e2) => dBox [punct "(", p_exp e1, break {nsp = 1, offset = 0}, p_exp e2, punct ")"]
-
- | ESkip => keyword "_"
- | ESet (x, e) => dBox [exp x, space 1, punct "=", space 1, p_exp e]
- | EGet (x1, x2, e) => dBox [dBox [exp x1, space 1, punct "<-",
- space 1, exp x2, punct ";", space 1],
- p_exp e]
- | ESeq es => dBox (valOf (foldr (fn (e, NONE) => SOME [p_exp e]
- | (e, SOME ds) => SOME (dBox [p_exp e, punct ";", newline] :: ds))
- NONE es))
- | ELocal (e1, e2) => dBox [keyword "let", space 1,
- p_exp e1, space 1,
- keyword "in", space 1,
- p_exp e2, space 1,
- keyword "end"]
- | EWith (e1, (ESkip, _)) => dBox [p_exp e1, space 1, keyword "with", space 1, keyword "end"]
- | EWith (e1, e2) => dBox [p_exp e1, space 1, keyword "with", p_exp e2, space 1, keyword "end"]
-
-fun p_decl d =
- case d of
- DExternType name => style (HTMLDev.anchor ("T_" ^ name),
- [dBox [keyword "extern", space 1,
- keyword "type", space 1,
- ident name]])
- | DExternVal (name, t) => style (HTMLDev.anchor ("V_" ^ name),
- [dBox [keyword "extern", space 1,
- keyword "val", space 1,
- ident name, space 1,
- string ":", space 1,
- p_typ t]])
- | DVal (name, NONE, _) => string "Unannotated val declaration!"
- | DVal (name, SOME t, _) => style (HTMLDev.anchor ("V_" ^ name),
- [dBox [keyword "val", space 1,
- ident name, space 1,
- punct ":", space 1,
- p_typ t]])
- | DContext name => style (HTMLDev.anchor ("C_" ^ name),
- [dBox [keyword "context", space 1,
- ident name]])
-
-fun p_decl_fref d =
- case d of
- DExternType name => dBox [keyword "extern", space 1,
- keyword "type", space 1,
- style (HTMLDev.link ("#T_" ^ name), [ident name])]
- | DExternVal (name, t) => dBox [keyword "extern", space 1,
- keyword "val", space 1,
- style (HTMLDev.link ("#V_" ^ name), [ident name]),
- space 1,
- string ":", space 1,
- p_typ t]
- | DVal (name, NONE, _) => string "Unannotated val declaration!"
- | DVal (name, SOME t, _) => dBox [keyword "val", space 1,
- style (HTMLDev.link ("#V_" ^ name), [ident name]),
- space 1,
- punct ":", space 1,
- p_typ t]
- | DContext name => dBox [keyword "context", space 1,
- style (HTMLDev.link ("#C_" ^ name), [ident name])]
-
-fun output d =
- let
- val dev = HTMLDev.openDev {wid = 80,
- textWid = NONE}
- val myStream = SM.openStream dev
- in
- description (myStream, d);
- SM.flushStream myStream;
- HTMLDev.done dev
- end
-
-end
+(* HCoop Domtool (http://hcoop.sourceforge.net/)
+ * Copyright (c) 2006, Adam Chlipala
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *)
+
+(* Pretty-printing Domtool configuration file ASTs for HTML *)
+
+signature HTML_PRINT_ARG = sig
+ include PRINTFN_INPUT where type rendering = HTML.text
+
+ val setProviders : Order.providers -> unit
+end
+
+structure HtmlPrintArg :> HTML_PRINT_ARG = struct
+
+open Ast Order
+
+structure TextToken = struct
+type token = string
+type style = HTMLDev.style
+fun string t = t
+fun style t = HTMLDev.styleTT
+fun size t = String.size t
+end
+
+structure SM = PPStreamFn(structure Token = TextToken
+ structure Device = HTMLDev)
+
+structure PD = PPDescFn(SM)
+open PD
+
+fun keyword s = style (HTMLDev.styleB, [string s])
+val punct = string
+val field = string
+val lit = string
+val ident = string
+
+val prov : providers option ref = ref NONE
+fun setProviders p = prov := SOME p
+
+fun modify file =
+ let
+ val file' = #file (OS.Path.splitDirFile file)
+ val file' = #base (OS.Path.splitBaseExt file')
+ in
+ file'
+ end
+
+fun context s =
+ case providesContext (valOf (!prov), s) of
+ NONE => string s
+ | SOME m => style (HTMLDev.link (modify m ^ ".html#C_" ^ s), [string s])
+fun typ s =
+ case providesType (valOf (!prov), s) of
+ NONE => string s
+ | SOME m => style (HTMLDev.link (modify m ^ ".html#T_" ^ s), [string s])
+fun exp s =
+ case providesValue (valOf (!prov), s) of
+ NONE => string s
+ | SOME m => style (HTMLDev.link (modify m ^ ".html#V_" ^ s), [string s])
+
+fun anchor (s, d) = style (HTMLDev.anchor s, [d])
+fun link (s, d) = style (HTMLDev.link s, [d])
+
+type rendering = HTML.text
+fun openStream () =
+ let
+ val dev = HTMLDev.openDev {wid = 80,
+ textWid = NONE}
+ in
+ SM.openStream dev
+ end
+fun closeStream s = HTMLDev.done (SM.getDevice s)
+
+end
+
+structure HtmlPrint = PrintFn(HtmlPrintArg)
HCoop / hcoop / domtool2.git / blobdiff