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|
(* Copyright (c) 2008-2011, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
structure Compiler :> COMPILER = struct
structure UrwebLrVals = UrwebLrValsFn(structure Token = LrParser.Token)
structure Lex = UrwebLexFn(structure Tokens = UrwebLrVals.Tokens)
structure UrwebP = Join(structure ParserData = UrwebLrVals.ParserData
structure Lex = Lex
structure LrParser = LrParser)
type job = {
prefix : string,
database : string option,
sources : string list,
exe : string,
sql : string option,
debug : bool,
profile : bool,
timeout : int,
ffi : string list,
link : string list,
headers : string list,
scripts : string list,
clientToServer : Settings.ffi list,
effectful : Settings.ffi list,
benignEffectful : Settings.ffi list,
clientOnly : Settings.ffi list,
serverOnly : Settings.ffi list,
jsFuncs : (Settings.ffi * string) list,
rewrites : Settings.rewrite list,
filterUrl : Settings.rule list,
filterMime : Settings.rule list,
filterRequest : Settings.rule list,
filterResponse : Settings.rule list,
protocol : string option,
dbms : string option,
sigFile : string option,
safeGets : string list,
onError : (string * string list * string) option,
minHeap : int
}
type ('src, 'dst) phase = {
func : 'src -> 'dst,
print : 'dst -> Print.PD.pp_desc
}
type pmap = (string * Time.time) list
type ('src, 'dst) transform = {
func : 'src -> 'dst option,
print : 'dst -> Print.PD.pp_desc,
time : 'src * pmap -> 'dst option * pmap
}
val debug = ref false
val doIflow = ref false
fun transform (ph : ('src, 'dst) phase) name = {
func = fn input => let
val () = if !debug then
print ("Starting " ^ name ^ "....\n")
else
()
val v = #func ph input
in
if !debug then
print ("Finished " ^ name ^ ".\n")
else
();
if ErrorMsg.anyErrors () then
NONE
else
SOME v
end,
print = #print ph,
time = fn (input, pmap) => let
val () = if !debug then
print ("Starting " ^ name ^ "....\n")
else
()
val befor = Time.now ()
val v = #func ph input
val elapsed = Time.- (Time.now (), befor)
in
if !debug then
print ("Finished " ^ name ^ ".\n")
else
();
(if ErrorMsg.anyErrors () then
NONE
else
SOME v,
(name, elapsed) :: pmap)
end
}
fun check (tr : ('src, 'dst) transform) x = (ErrorMsg.resetErrors ();
ignore (#func tr x))
fun run (tr : ('src, 'dst) transform) x = (ErrorMsg.resetErrors ();
#func tr x)
fun runPrint (tr : ('src, 'dst) transform) input =
(ErrorMsg.resetErrors ();
case #func tr input of
NONE => print "Failure\n"
| SOME v =>
(print "Success\n";
Print.print (#print tr v);
print "\n"))
fun runPrintToFile (tr : ('src, 'dst) transform) input fname =
(ErrorMsg.resetErrors ();
case #func tr input of
NONE => print "Failure\n"
| SOME v =>
let
val outf = TextIO.openOut fname
val str = Print.openOut {dst = outf, wid = 80}
in
print "Success\n";
Print.fprint str (#print tr v);
Print.PD.PPS.closeStream str;
TextIO.closeOut outf
end)
fun time (tr : ('src, 'dst) transform) input =
let
val (_, pmap) = #time tr (input, [])
in
app (fn (name, time) =>
print (name ^ ": " ^ LargeReal.toString (Time.toReal time) ^ "\n")) (rev pmap);
print ("TOTAL: " ^ LargeReal.toString (Time.toReal (foldl Time.+ Time.zeroTime (map #2 pmap))) ^ "\n");
print "\n"
end
fun timePrint (tr : ('src, 'dst) transform) input =
let
val (ro, pmap) = #time tr (input, [])
in
app (fn (name, time) =>
print (name ^ ": " ^ LargeReal.toString (Time.toReal time) ^ "\n")) (rev pmap);
print ("TOTAL: " ^ LargeReal.toString (Time.toReal (foldl Time.+ Time.zeroTime (map #2 pmap))) ^ "\n");
print "\n";
case ro of
NONE => print "Failure\n"
| SOME v =>
(print "Success\n";
Print.print (#print tr v);
print "\n")
end
fun runPrintCoreFuncs (tr : ('src, Core.file) transform) input =
(ErrorMsg.resetErrors ();
case #func tr input of
NONE => print "Failure\n"
| SOME file =>
(print "Success\n";
app (fn (d, _) =>
case d of
Core.DVal (x, _, t, _, _) => Print.preface(x, CorePrint.p_con CoreEnv.empty t)
| Core.DValRec xts => app (fn (x, _, t, _, _) => Print.preface(x, CorePrint.p_con CoreEnv.empty t)) xts
| _ => ()) file))
val parseUrs =
{func = fn filename => let
val fname = OS.FileSys.tmpName ()
val outf = TextIO.openOut fname
val () = TextIO.output (outf, "sig\n")
val inf = TextIO.openIn filename
fun loop () =
case TextIO.inputLine inf of
NONE => ()
| SOME line => (TextIO.output (outf, line);
loop ())
val () = loop ()
val () = TextIO.closeIn inf
val () = TextIO.closeOut outf
val () = (ErrorMsg.resetErrors ();
ErrorMsg.resetPositioning filename;
Lex.UserDeclarations.initialize ())
val file = TextIO.openIn fname
fun get _ = TextIO.input file
fun parseerror (s, p1, p2) = ErrorMsg.errorAt' (p1, p2) s
val lexer = LrParser.Stream.streamify (Lex.makeLexer get)
val (absyn, _) = UrwebP.parse (30, lexer, parseerror, ())
in
TextIO.closeIn file;
case absyn of
[(Source.DSgn ("?", (Source.SgnConst sgis, _)), _)] => sgis
| _ => (ErrorMsg.errorAt {file = filename,
first = {line = 0,
char = 0},
last = {line = 0,
char = 0}} "Not a signature";
[])
end
handle LrParser.ParseError => [],
print = Print.p_list_sep Print.PD.newline SourcePrint.p_sgn_item}
(* The main parsing routine *)
val parseUr = {
func = fn filename =>
let
val () = (ErrorMsg.resetErrors ();
ErrorMsg.resetPositioning filename;
Lex.UserDeclarations.initialize ())
val file = TextIO.openIn filename
fun get _ = TextIO.input file
fun parseerror (s, p1, p2) = ErrorMsg.errorAt' (p1, p2) s
val lexer = LrParser.Stream.streamify (Lex.makeLexer get)
val (absyn, _) = UrwebP.parse (30, lexer, parseerror, ())
in
TextIO.closeIn file;
case absyn of
[(Source.DSgn ("?", _), _)] =>
(ErrorMsg.errorAt {file = filename,
first = {line = 0,
char = 0},
last = {line = 0,
char = 0}} "File starts with 'sig'";
[])
| _ => absyn
end
handle LrParser.ParseError => [],
print = SourcePrint.p_file}
fun p_job ({prefix, database, exe, sql, sources, debug, profile,
timeout, ffi, link, headers, scripts,
clientToServer, effectful, benignEffectful, clientOnly, serverOnly, jsFuncs, ...} : job) =
let
open Print.PD
open Print
fun p_ffi name = p_list_sep (box []) (fn (m, s) =>
box [string name, space, string m, string ".", string s, newline])
in
box [if debug then
box [string "DEBUG", newline]
else
box [],
if profile then
box [string "PROFILE", newline]
else
box [],
case database of
NONE => string "No database."
| SOME db => string ("Database: " ^ db),
newline,
string "Exe: ",
string exe,
newline,
case sql of
NONE => string "No SQL file."
| SOME sql => string ("SQL fle: " ^ sql),
newline,
string "Timeout: ",
string (Int.toString timeout),
newline,
p_list_sep (box []) (fn s => box [string "Ffi", space, string s, newline]) ffi,
p_list_sep (box []) (fn s => box [string "Header", space, string s, newline]) headers,
p_list_sep (box []) (fn s => box [string "Script", space, string s, newline]) scripts,
p_list_sep (box []) (fn s => box [string "Link", space, string s, newline]) link,
p_ffi "ClientToServer" clientToServer,
p_ffi "Effectful" effectful,
p_ffi "BenignEffectful" benignEffectful,
p_ffi "ClientOnly" clientOnly,
p_ffi "ServerOnly" serverOnly,
p_list_sep (box []) (fn ((m, s), s') =>
box [string "JsFunc", space, string m, string ".", string s,
space, string "=", space, string s', newline]) jsFuncs,
string "Sources:",
p_list string sources,
newline]
end
fun trim s =
let
val (_, s) = Substring.splitl Char.isSpace s
val (s, _) = Substring.splitr Char.isSpace s
in
s
end
val trimS = Substring.string o trim o Substring.full
structure M = BinaryMapFn(struct
type ord_key = string
val compare = String.compare
end)
val pathmap = ref (M.insert (M.empty, "", Config.libUr))
fun addPath (k, v) = pathmap := M.insert (!pathmap, k, v)
fun capitalize "" = ""
| capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
fun institutionalizeJob (job : job) =
(Settings.setDebug (#debug job);
Settings.setUrlPrefix (#prefix job);
Settings.setTimeout (#timeout job);
Settings.setHeaders (#headers job);
Settings.setScripts (#scripts job);
Settings.setClientToServer (#clientToServer job);
Settings.setEffectful (#effectful job);
Settings.setBenignEffectful (#benignEffectful job);
Settings.setClientOnly (#clientOnly job);
Settings.setServerOnly (#serverOnly job);
Settings.setJsFuncs (#jsFuncs job);
Settings.setRewriteRules (#rewrites job);
Settings.setUrlRules (#filterUrl job);
Settings.setMimeRules (#filterMime job);
Settings.setRequestHeaderRules (#filterRequest job);
Settings.setResponseHeaderRules (#filterResponse job);
Option.app Settings.setProtocol (#protocol job);
Option.app Settings.setDbms (#dbms job);
Settings.setSafeGets (#safeGets job);
Settings.setOnError (#onError job);
Settings.setMinHeap (#minHeap job);
Settings.setSigFile (#sigFile job))
datatype commentableLine =
EndOfFile
| OnlyComment
| Content of string
fun inputCommentableLine inf =
case TextIO.inputLine inf of
NONE => EndOfFile
| SOME s =>
let
val (befor, after) = Substring.splitl (fn ch => ch <> #"#") (Substring.full s)
in
if not (Substring.isEmpty after)
andalso Substring.foldl (fn (ch, b) => b andalso Char.isSpace ch) true befor then
OnlyComment
else
let
val s = #1 (Substring.splitr (not o Char.isSpace) befor)
in
Content (Substring.string (if Substring.size s > 0 andalso Char.isSpace (Substring.sub (s, Substring.size s - 1)) then
if Substring.size s > 1 andalso Char.isSpace (Substring.sub (s, Substring.size s - 2)) then
Substring.trimr 2 s
else
Substring.trimr 1 s
else
s))
end
end
fun parseUrp' accLibs fname =
if not (Posix.FileSys.access (fname ^ ".urp", []) orelse Posix.FileSys.access (fname ^ "/lib.urp", []))
andalso Posix.FileSys.access (fname ^ ".ur", []) then
let
val job = {prefix = "/",
database = NONE,
sources = [fname],
exe = fname ^ ".exe",
sql = NONE,
debug = Settings.getDebug (),
profile = false,
timeout = 60,
ffi = [],
link = [],
headers = [],
scripts = [],
clientToServer = [],
effectful = [],
benignEffectful = [],
clientOnly = [],
serverOnly = [],
jsFuncs = [],
rewrites = [{pkind = Settings.Any,
kind = Settings.Prefix,
from = capitalize (OS.Path.file fname) ^ "/", to = ""}],
filterUrl = [],
filterMime = [],
filterRequest = [],
filterResponse = [],
protocol = NONE,
dbms = NONE,
sigFile = NONE,
safeGets = [],
onError = NONE,
minHeap = 0}
in
institutionalizeJob job;
{Job = job, Libs = []}
end
else
let
val pathmap = ref (!pathmap)
val bigLibs = ref []
fun pu filename =
let
val filename = OS.Path.mkAbsolute {path = filename, relativeTo = OS.FileSys.getDir ()}
val dir = OS.Path.dir filename
fun opener () = TextIO.openIn (OS.Path.joinBaseExt {base = filename, ext = SOME "urp"})
val inf = opener ()
fun hasSpaceLine () =
case inputCommentableLine inf of
Content s => s = "debug" orelse s = "profile"
orelse CharVector.exists (fn ch => ch = #" " orelse ch = #"\t") s orelse hasSpaceLine ()
| EndOfFile => false
| OnlyComment => hasSpaceLine ()
val hasBlankLine = hasSpaceLine ()
val inf = (TextIO.closeIn inf; opener ())
fun pathify fname =
if size fname > 0 andalso String.sub (fname, 0) = #"$" then
let
val fname' = Substring.extract (fname, 1, NONE)
val (befor, after) = Substring.splitl (fn ch => ch <> #"/") fname'
in
case M.find (!pathmap, Substring.string befor) of
NONE => fname
| SOME rep => rep ^ Substring.string after
end
else
fname
fun relify fname =
let
val fname = pathify fname
in
OS.Path.concat (dir, fname)
handle OS.Path.Path => fname
end
fun libify path =
(if Posix.FileSys.access (path ^ ".urp", []) then
path
else
path ^ "/lib")
handle SysErr => path
fun libify' path =
(if Posix.FileSys.access (relify path ^ ".urp", []) then
path
else
path ^ "/lib")
handle SysErr => path
val absDir = OS.Path.mkAbsolute {path = dir, relativeTo = OS.FileSys.getDir ()}
fun relifyA fname =
OS.Path.mkAbsolute {path = pathify fname, relativeTo = absDir}
fun readSources acc =
case inputCommentableLine inf of
Content line =>
let
val acc = if CharVector.all Char.isSpace line then
acc
else
let
val fname = String.implode (List.filter (fn x => not (Char.isSpace x))
(String.explode line))
val fname = relifyA fname
in
fname :: acc
end
in
readSources acc
end
| OnlyComment => readSources acc
| EndOfFile => rev acc
val prefix = ref (case Settings.getUrlPrefix () of "/" => NONE | s => SOME s)
val database = ref (Settings.getDbstring ())
val exe = ref (Settings.getExe ())
val sql = ref (Settings.getSql ())
val debug = ref (Settings.getDebug ())
val profile = ref false
val timeout = ref NONE
val ffi = ref []
val link = ref []
val headers = ref []
val scripts = ref []
val clientToServer = ref []
val effectful = ref []
val benignEffectful = ref []
val clientOnly = ref []
val serverOnly = ref []
val jsFuncs = ref []
val rewrites = ref []
val url = ref []
val mime = ref []
val request = ref []
val response = ref []
val libs = ref []
val protocol = ref NONE
val dbms = ref NONE
val sigFile = ref (Settings.getSigFile ())
val safeGets = ref []
val onError = ref NONE
val minHeap = ref 0
fun finish sources =
let
val job = {
prefix = Option.getOpt (!prefix, "/"),
database = !database,
exe = Option.getOpt (!exe, OS.Path.joinBaseExt {base = OS.Path.base filename,
ext = SOME "exe"}),
sql = !sql,
debug = !debug,
profile = !profile,
timeout = Option.getOpt (!timeout, 60),
ffi = rev (!ffi),
link = rev (!link),
headers = rev (!headers),
scripts = rev (!scripts),
clientToServer = rev (!clientToServer),
effectful = rev (!effectful),
benignEffectful = rev (!benignEffectful),
clientOnly = rev (!clientOnly),
serverOnly = rev (!serverOnly),
jsFuncs = rev (!jsFuncs),
rewrites = rev (!rewrites),
filterUrl = rev (!url),
filterMime = rev (!mime),
filterRequest = rev (!request),
filterResponse = rev (!response),
sources = sources,
protocol = !protocol,
dbms = !dbms,
sigFile = !sigFile,
safeGets = rev (!safeGets),
onError = !onError,
minHeap = !minHeap
}
fun mergeO f (old, new) =
case (old, new) of
(NONE, _) => new
| (_, NONE) => old
| (SOME v1, SOME v2) => SOME (f (v1, v2))
fun same desc = mergeO (fn (x : string, y) =>
(if x = y then
()
else
ErrorMsg.error ("Multiple "
^ desc ^ " values that don't agree");
x))
fun merge (old : job, new : job) = {
prefix = #prefix old,
database = mergeO (fn (old, _) => old) (#database old, #database new),
exe = #exe old,
sql = #sql old,
debug = #debug old orelse #debug new,
profile = #profile old orelse #profile new,
timeout = #timeout old,
ffi = #ffi old @ #ffi new,
link = #link old @ #link new,
headers = #headers old @ #headers new,
scripts = #scripts old @ #scripts new,
clientToServer = #clientToServer old @ #clientToServer new,
effectful = #effectful old @ #effectful new,
benignEffectful = #benignEffectful old @ #benignEffectful new,
clientOnly = #clientOnly old @ #clientOnly new,
serverOnly = #serverOnly old @ #serverOnly new,
jsFuncs = #jsFuncs old @ #jsFuncs new,
rewrites = #rewrites old @ #rewrites new,
filterUrl = #filterUrl old @ #filterUrl new,
filterMime = #filterMime old @ #filterMime new,
filterRequest = #filterRequest old @ #filterRequest new,
filterResponse = #filterResponse old @ #filterResponse new,
sources = #sources new
@ List.filter (fn s => List.all (fn s' => s' <> s) (#sources new))
(#sources old),
protocol = mergeO #2 (#protocol old, #protocol new),
dbms = mergeO #2 (#dbms old, #dbms new),
sigFile = mergeO #2 (#sigFile old, #sigFile new),
safeGets = #safeGets old @ #safeGets new,
onError = mergeO #2 (#onError old, #onError new),
minHeap = Int.max (#minHeap old, #minHeap new)
}
in
if accLibs then
foldr (fn (job', job) => merge (job, job')) job (!libs)
else
job
end
fun parsePkind s =
case s of
"all" => Settings.Any
| "url" => Settings.Url
| "table" => Settings.Table
| "sequence" => Settings.Sequence
| "view" => Settings.View
| "relation" => Settings.Relation
| "cookie" => Settings.Cookie
| "style" => Settings.Style
| _ => (ErrorMsg.error "Bad path kind spec";
Settings.Any)
fun parseFrom s =
if size s > 1 andalso String.sub (s, size s - 2) = #"/" andalso String.sub (s, size s - 1) = #"*" then
(Settings.Prefix, String.substring (s, 0, size s - 1))
else
(Settings.Exact, s)
fun parseFkind s =
case s of
"url" => url
| "mime" => mime
| "requestHeader" => request
| "responseHeader" => response
| _ => (ErrorMsg.error "Bad filter kind";
url)
fun parsePattern s =
if size s > 0 andalso String.sub (s, size s - 1) = #"*" then
(Settings.Prefix, String.substring (s, 0, size s - 1))
else
(Settings.Exact, s)
fun read () =
case inputCommentableLine inf of
EndOfFile => finish []
| OnlyComment => read ()
| Content "" => finish (readSources [])
| Content line =>
let
val (cmd, arg) = Substring.splitl (fn x => not (Char.isSpace x)) (Substring.full line)
val cmd = Substring.string (trim cmd)
val arg = Substring.string (trim arg)
fun ffiS () =
case String.fields (fn ch => ch = #".") arg of
[m, x] => (m, x)
| _ => (ErrorMsg.error (cmd ^ " argument not of the form Module.func");
("", ""))
fun ffiM () =
case String.fields (fn ch => ch = #"=") arg of
[f, s] =>
let
val f = trimS f
val s = trimS s
in
case String.fields (fn ch => ch = #".") f of
[m, x] => ((m, x), s)
| _ => (ErrorMsg.error (cmd ^ " argument not of the form Module.func=func'");
(("", ""), ""))
end
| _ => (ErrorMsg.error (cmd ^ " argument not of the form Module.func=func'");
(("", ""), ""))
in
case cmd of
"prefix" => prefix := SOME arg
| "database" =>
(case !database of
NONE => database := SOME arg
| SOME _ => ())
| "dbms" =>
(case !dbms of
NONE => dbms := SOME arg
| SOME _ => ())
| "sigfile" =>
(case !sigFile of
NONE => sigFile := SOME arg
| SOME _ => ())
| "exe" =>
(case !exe of
NONE => exe := SOME (relify arg)
| SOME _ => ())
| "sql" =>
(case !sql of
NONE => sql := SOME (relify arg)
| SOME _ => ())
| "debug" => debug := true
| "profile" => profile := true
| "timeout" =>
(case !timeout of
NONE => ()
| SOME _ => ErrorMsg.error "Duplicate 'timeout' directive";
timeout := SOME (valOf (Int.fromString arg)))
| "ffi" => ffi := relify arg :: !ffi
| "link" => let
val arg = if size arg >= 1
andalso String.sub (arg, 0) = #"-" then
arg
else
relifyA arg
in
link := arg :: !link
end
| "include" => headers := relifyA arg :: !headers
| "script" => scripts := arg :: !scripts
| "clientToServer" => clientToServer := ffiS () :: !clientToServer
| "safeGet" => safeGets := arg :: !safeGets
| "effectful" => effectful := ffiS () :: !effectful
| "benignEffectful" => benignEffectful := ffiS () :: !benignEffectful
| "clientOnly" => clientOnly := ffiS () :: !clientOnly
| "serverOnly" => serverOnly := ffiS () :: !serverOnly
| "jsFunc" => jsFuncs := ffiM () :: !jsFuncs
| "rewrite" =>
let
fun doit (pkind, from, to) =
let
val pkind = parsePkind pkind
val (kind, from) = parseFrom from
in
rewrites := {pkind = pkind, kind = kind, from = from, to = to} :: !rewrites
end
in
case String.tokens Char.isSpace arg of
[pkind, from, to] => doit (pkind, from, to)
| [pkind, from] => doit (pkind, from, "")
| _ => ErrorMsg.error "Bad 'rewrite' syntax"
end
| "allow" =>
(case String.tokens Char.isSpace arg of
[fkind, pattern] =>
let
val fkind = parseFkind fkind
val (kind, pattern) = parsePattern pattern
in
fkind := {action = Settings.Allow, kind = kind, pattern = pattern} :: !fkind
end
| _ => ErrorMsg.error "Bad 'allow' syntax")
| "deny" =>
(case String.tokens Char.isSpace arg of
[fkind, pattern] =>
let
val fkind = parseFkind fkind
val (kind, pattern) = parsePattern pattern
in
fkind := {action = Settings.Deny, kind = kind, pattern = pattern} :: !fkind
end
| _ => ErrorMsg.error "Bad 'deny' syntax")
| "library" => if accLibs then
libs := pu (libify (relify arg)) :: !libs
else
bigLibs := libify' arg :: !bigLibs
| "path" =>
(case String.fields (fn ch => ch = #"=") arg of
[n, v] => ((pathmap := M.insert (!pathmap, n, OS.Path.mkAbsolute {path = v, relativeTo = dir}))
handle OS.Path.Path => ErrorMsg.error "Invalid 'path' directory argument")
| _ => ErrorMsg.error "path argument not of the form name=value'")
| "onError" =>
(case String.fields (fn ch => ch = #".") arg of
m1 :: (fs as _ :: _) =>
onError := SOME (m1, List.take (fs, length fs - 1), List.last fs)
| _ => ErrorMsg.error "invalid 'onError' argument")
| "limit" =>
(case String.fields Char.isSpace arg of
[class, num] =>
(case Int.fromString num of
NONE => ErrorMsg.error ("invalid limit number '" ^ num ^ "'")
| SOME n =>
if n < 0 then
ErrorMsg.error ("invalid limit number '" ^ num ^ "'")
else
Settings.addLimit (class, n))
| _ => ErrorMsg.error "invalid 'limit' arguments")
| "minHeap" =>
(case Int.fromString arg of
NONE => ErrorMsg.error ("invalid min heap '" ^ arg ^ "'")
| SOME n => minHeap := n)
| "alwaysInline" => Settings.addAlwaysInline arg
| "noXsrfProtection" => Settings.addNoXsrfProtection arg
| _ => ErrorMsg.error ("Unrecognized command '" ^ cmd ^ "'");
read ()
end
val job = if hasBlankLine then
read ()
else
finish (readSources [])
in
TextIO.closeIn inf;
institutionalizeJob job;
job
end
in
{Job = pu fname, Libs = !bigLibs}
end
fun p_job' {Job = j, Libs = _ : string list} = p_job j
val parseUrp = {
func = #Job o parseUrp' true,
print = p_job
}
val parseUrp' = {
func = parseUrp' false,
print = p_job'
}
val toParseJob = transform parseUrp "parseJob"
val toParseJob' = transform parseUrp' "parseJob'"
fun op o (tr2 : ('b, 'c) transform, tr1 : ('a, 'b) transform) = {
func = fn input => case #func tr1 input of
NONE => NONE
| SOME v => #func tr2 v,
print = #print tr2,
time = fn (input, pmap) => let
val (ro, pmap) = #time tr1 (input, pmap)
in
case ro of
NONE => (NONE, pmap)
| SOME v => #time tr2 (v, pmap)
end
}
structure SM = BinaryMapFn(struct
type ord_key = string
val compare = String.compare
end)
val moduleRoots = ref ([] : (string * string) list)
fun addModuleRoot (k, v) = moduleRoots := (k, v) :: !moduleRoots
structure SS = BinarySetFn(struct
type ord_key = string
val compare = String.compare
end)
val parse = {
func = fn {database, sources = fnames, ffi, onError, ...} : job =>
let
val mrs = !moduleRoots
val anyErrors = ref false
fun checkErrors () = anyErrors := (!anyErrors orelse ErrorMsg.anyErrors ())
fun nameOf fname =
let
val fname = OS.Path.file fname
val fst = if size fname = 0 then #"!" else String.sub (fname, 0)
in
if not (Char.isAlpha fst) then
ErrorMsg.error ("Filename doesn't start with letter: " ^ fname)
else if CharVector.exists (fn ch => not (Char.isAlphaNum ch) andalso ch <> #"_") fname then
ErrorMsg.error ("Filename contains a character that isn't alphanumeric or underscore: " ^ fname)
else
();
capitalize fname
end
fun parseFfi fname =
let
val mname = nameOf fname
val urs = OS.Path.joinBaseExt {base = fname, ext = SOME "urs"}
val loc = {file = urs,
first = ErrorMsg.dummyPos,
last = ErrorMsg.dummyPos}
val sgn = (Source.SgnConst (#func parseUrs urs), loc)
in
checkErrors ();
(Source.DFfiStr (mname, sgn), loc)
end
val defed = ref SS.empty
val fulls = ref SS.empty
fun parseOne fname =
let
val mname = nameOf fname
val ur = OS.Path.joinBaseExt {base = fname, ext = SOME "ur"}
val urs = OS.Path.joinBaseExt {base = fname, ext = SOME "urs"}
val sgnO =
if Posix.FileSys.access (urs, []) then
SOME (Source.SgnConst (#func parseUrs urs),
{file = urs,
first = ErrorMsg.dummyPos,
last = ErrorMsg.dummyPos})
before checkErrors ()
else
NONE
val loc = {file = ur,
first = ErrorMsg.dummyPos,
last = ErrorMsg.dummyPos}
val ds = #func parseUr ur
val d = (Source.DStr (mname, sgnO, (Source.StrConst ds, loc)), loc)
val fname = OS.Path.mkCanonical fname
val d = case List.find (fn (root, name) =>
String.isPrefix (root ^ "/") fname) mrs of
NONE => d
| SOME (root, name) =>
let
val fname = String.extract (fname, size root + 1, NONE)
val pieces = name :: String.tokens (fn ch => ch = #"/") fname
val pieces = List.filter (fn s => size s > 0
andalso Char.isAlpha (String.sub (s, 0)))
pieces
val pieces = map capitalize pieces
val full = String.concatWith "." pieces
fun makeD prefix pieces =
case pieces of
[] => (ErrorMsg.error "Empty module path";
(Source.DStyle "Boo", loc))
| [_] => d
| piece :: pieces =>
let
val this = case prefix of
"" => piece
| _ => prefix ^ "." ^ piece
val old = SS.member (!defed, this)
fun notThere (ch, s) =
Substring.isEmpty (#2 (Substring.splitl
(fn ch' => ch' <> ch) s))
fun simOpen () =
SS.foldl (fn (full, ds) =>
if String.isPrefix (this ^ ".") full
andalso notThere (#".",
Substring.extract (full,
size
this + 1,
NONE)) then
let
val parts = String.tokens
(fn ch => ch = #".") full
val part = List.last parts
val imp = if length parts >= 2 then
(Source.StrProj
((Source.StrVar
(List.nth (parts,
length
parts
- 2)),
loc),
part), loc)
else
(Source.StrVar part, loc)
in
(Source.DStr (part, NONE, imp),
loc) :: ds
end
else
ds) [] (!fulls)
in
defed := SS.add (!defed, this);
(Source.DStr (piece, NONE,
(Source.StrConst (if old then
simOpen ()
@ [makeD this pieces]
else
[makeD this pieces]), loc)),
loc)
end
in
if SS.member (!fulls, full) then
ErrorMsg.error ("Rooted module " ^ full ^ " has multiple versions.")
else
();
makeD "" pieces
before ignore (foldl (fn (new, path) =>
let
val new' = case path of
"" => new
| _ => path ^ "." ^ new
in
fulls := SS.add (!fulls, new');
new'
end) "" pieces)
end
in
checkErrors ();
d
end
val dsFfi = map parseFfi ffi
val ds = map parseOne fnames
val loc = ErrorMsg.dummySpan
in
if !anyErrors then
ErrorMsg.error "Parse failure"
else
();
let
val final = List.last fnames
val final = case List.find (fn (root, name) =>
String.isPrefix (root ^ "/") final) mrs of
NONE => (Source.StrVar (nameOf final), loc)
| SOME (root, name) =>
let
val m = (Source.StrVar name, loc)
val final = String.extract (final, size root + 1, NONE)
val fields = String.fields (fn ch => ch = #"/") final
val fields = List.filter (fn s => size s = 0
orelse not (Char.isDigit (String.sub (s, 0))))
fields
in
foldl (fn (x, m) => (Source.StrProj (m, capitalize x), loc))
m fields
end
val ds = dsFfi @ ds
@ [(Source.DExport final, loc)]
val ds = case database of
NONE => ds
| SOME s => (Source.DDatabase s, loc) :: ds
val ds = case onError of
NONE => ds
| SOME v => ds @ [(Source.DOnError v, loc)]
in
ds
end handle Empty => ds
end,
print = SourcePrint.p_file
}
val toParse = transform parse "parse" o toParseJob
fun libFile s = OS.Path.joinDirFile {dir = Config.libUr,
file = s}
fun clibFile s = OS.Path.joinDirFile {dir = Config.libC,
file = s}
val elaborate = {
func = fn file => let
val basis = #func parseUrs (libFile "basis.urs")
val topSgn = #func parseUrs (libFile "top.urs")
val topStr = #func parseUr (libFile "top.ur")
in
Elaborate.elabFile basis topStr topSgn ElabEnv.empty file
end,
print = ElabPrint.p_file ElabEnv.empty
}
val toElaborate = transform elaborate "elaborate" o toParse
val unnest = {
func = Unnest.unnest,
print = ElabPrint.p_file ElabEnv.empty
}
val toUnnest = transform unnest "unnest" o toElaborate
val termination = {
func = (fn file => (Termination.check file; file)),
print = ElabPrint.p_file ElabEnv.empty
}
val toTermination = transform termination "termination" o toUnnest
val explify = {
func = Explify.explify,
print = ExplPrint.p_file ExplEnv.empty
}
val toExplify = transform explify "explify" o toUnnest
val corify = {
func = Corify.corify,
print = CorePrint.p_file CoreEnv.empty
}
val toCorify = transform corify "corify" o toExplify
(*val reduce_local = {
func = ReduceLocal.reduce,
print = CorePrint.p_file CoreEnv.empty
}
val toReduce_local = transform reduce_local "reduce_local" o toCorify*)
val especialize = {
func = ESpecialize.specialize,
print = CorePrint.p_file CoreEnv.empty
}
val core_untangle = {
func = CoreUntangle.untangle,
print = CorePrint.p_file CoreEnv.empty
}
val toCore_untangle = transform core_untangle "core_untangle" o toCorify
val shake = {
func = Shake.shake,
print = CorePrint.p_file CoreEnv.empty
}
val toShake1 = transform shake "shake1" o toCore_untangle
val toEspecialize1' = transform especialize "especialize1'" o toShake1
val toShake1' = transform shake "shake1'" o toEspecialize1'
val rpcify = {
func = Rpcify.frob,
print = CorePrint.p_file CoreEnv.empty
}
val toRpcify = transform rpcify "rpcify" o toShake1'
val toCore_untangle2 = transform core_untangle "core_untangle2" o toRpcify
val toShake2 = transform shake "shake2" o toCore_untangle2
val toEspecialize1 = transform especialize "especialize1" o toShake2
val toCore_untangle3 = transform core_untangle "core_untangle3" o toEspecialize1
val toShake3 = transform shake "shake3" o toCore_untangle3
val tag = {
func = Tag.tag,
print = CorePrint.p_file CoreEnv.empty
}
val toTag = transform tag "tag" o toShake3
val reduce = {
func = Reduce.reduce,
print = CorePrint.p_file CoreEnv.empty
}
val toReduce = transform reduce "reduce" o toTag
val toShakey = transform shake "shakey" o toReduce
val unpoly = {
func = Unpoly.unpoly,
print = CorePrint.p_file CoreEnv.empty
}
val toUnpoly = transform unpoly "unpoly" o toShakey
val specialize = {
func = Specialize.specialize,
print = CorePrint.p_file CoreEnv.empty
}
val toSpecialize = transform specialize "specialize" o toUnpoly
val toShake4 = transform shake "shake4" o toSpecialize
val toEspecialize2 = transform especialize "especialize2" o toShake4
val toShake4' = transform shake "shake4'" o toEspecialize2
val toUnpoly2 = transform unpoly "unpoly2" o toShake4'
val toSpecialize2 = transform specialize "specialize2" o toUnpoly2
val toShake4'' = transform shake "shake4'" o toSpecialize2
val toEspecialize3 = transform especialize "especialize3" o toShake4''
val toReduce2 = transform reduce "reduce2" o toEspecialize3
val toShake5 = transform shake "shake5" o toReduce2
val marshalcheck = {
func = (fn file => (MarshalCheck.check file; file)),
print = CorePrint.p_file CoreEnv.empty
}
val toMarshalcheck = transform marshalcheck "marshalcheck" o toShake5
val effectize = {
func = Effective.effectize,
print = CorePrint.p_file CoreEnv.empty
}
val toEffectize = transform effectize "effectize" o toMarshalcheck
val css = {
func = Css.summarize,
print = fn _ => Print.box []
}
val toCss = transform css "css" o toShake5
val monoize = {
func = Monoize.monoize CoreEnv.empty,
print = MonoPrint.p_file MonoEnv.empty
}
val toMonoize = transform monoize "monoize" o toEffectize
val mono_opt = {
func = MonoOpt.optimize,
print = MonoPrint.p_file MonoEnv.empty
}
val toMono_opt1 = transform mono_opt "mono_opt1" o toMonoize
val untangle = {
func = Untangle.untangle,
print = MonoPrint.p_file MonoEnv.empty
}
val toUntangle = transform untangle "untangle" o toMono_opt1
val mono_reduce = {
func = MonoReduce.reduce,
print = MonoPrint.p_file MonoEnv.empty
}
val toMono_reduce = transform mono_reduce "mono_reduce" o toUntangle
val mono_shake = {
func = MonoShake.shake,
print = MonoPrint.p_file MonoEnv.empty
}
val toMono_shake = transform mono_shake "mono_shake1" o toMono_reduce
val toMono_opt2 = transform mono_opt "mono_opt2" o toMono_shake
val iflow = {
func = (fn file => (if !doIflow then Iflow.check file else (); file)),
print = MonoPrint.p_file MonoEnv.empty
}
val toIflow = transform iflow "iflow" o toMono_opt2
val jscomp = {
func = JsComp.process,
print = MonoPrint.p_file MonoEnv.empty
}
val toJscomp = transform jscomp "jscomp" o toIflow
val toMono_opt3 = transform mono_opt "mono_opt3" o toJscomp
val fuse = {
func = Fuse.fuse,
print = MonoPrint.p_file MonoEnv.empty
}
val toFuse = transform fuse "fuse" o toMono_opt3
val toUntangle2 = transform untangle "untangle2" o toFuse
val toMono_reduce2 = transform mono_reduce "mono_reduce2" o toUntangle2
val toMono_shake2 = transform mono_shake "mono_shake2" o toMono_reduce2
val toMono_opt4 = transform mono_opt "mono_opt4" o toMono_shake2
val toMono_reduce3 = transform mono_reduce "mono_reduce3" o toMono_opt4
val toFuse2 = transform fuse "fuse2" o toMono_reduce3
val toUntangle3 = transform untangle "untangle3" o toFuse2
val toMono_shake3 = transform mono_shake "mono_shake3" o toUntangle3
val pathcheck = {
func = (fn file => (PathCheck.check file; file)),
print = MonoPrint.p_file MonoEnv.empty
}
val toPathcheck = transform pathcheck "pathcheck" o toMono_shake3
val sidecheck = {
func = SideCheck.check,
print = MonoPrint.p_file MonoEnv.empty
}
val toSidecheck = transform sidecheck "sidecheck" o toPathcheck
val cjrize = {
func = Cjrize.cjrize,
print = CjrPrint.p_file CjrEnv.empty
}
val toCjrize = transform cjrize "cjrize" o toSidecheck
val scriptcheck = {
func = ScriptCheck.classify,
print = CjrPrint.p_file CjrEnv.empty
}
val toScriptcheck = transform scriptcheck "scriptcheck" o toCjrize
val prepare = {
func = Prepare.prepare,
print = CjrPrint.p_file CjrEnv.empty
}
val toPrepare = transform prepare "prepare" o toScriptcheck
val checknest = {
func = fn f => if #supportsNestedPrepared (Settings.currentDbms ()) then f else Checknest.annotate f,
print = CjrPrint.p_file CjrEnv.empty
}
val toChecknest = transform checknest "checknest" o toPrepare
val sqlify = {
func = Cjrize.cjrize,
print = CjrPrint.p_sql CjrEnv.empty
}
val toSqlify = transform sqlify "sqlify" o toMono_opt2
val escapeFilename = String.translate (fn #" " => "\\ " | #"\"" => "\\\"" | #"'" => "\\'" | ch => str ch)
val beforeC = ref (fn () => ())
fun compileC {cname, oname, ename, libs, profile, debug, link = link'} =
let
val proto = Settings.currentProtocol ()
val lib = if Settings.getStaticLinking () then
#linkStatic proto ^ " " ^ Config.lib ^ "/../liburweb.a"
else
"-L" ^ Config.lib ^ "/.. -lurweb " ^ #linkDynamic proto
val opt = if debug then
""
else
" -O3"
val compile = Config.ccompiler ^ " " ^ Config.ccArgs ^ " " ^ Config.pthreadCflags ^ " -Wimplicit -Werror -Wno-unused-value"
^ opt ^ " -I " ^ Config.includ
^ " " ^ #compile proto
^ " -c " ^ escapeFilename cname ^ " -o " ^ escapeFilename oname
val link = Config.ccompiler ^ " -Werror" ^ opt ^ " -lm " ^ Config.ccArgs ^ " " ^ Config.pthreadCflags ^ " " ^ Config.pthreadLibs
^ " " ^ lib ^ " " ^ Config.openssl ^ " " ^ escapeFilename oname ^ " -o " ^ escapeFilename ename ^ " " ^ libs
val (compile, link) =
if profile then
(compile ^ " -pg", link ^ " -pg")
else
(compile, link)
val (compile, link) =
if debug then
(compile ^ " -g", link ^ " -g")
else
(compile, link)
val link = foldl (fn (s, link) => link ^ " " ^ s) link link'
fun system s =
(if debug then
print (s ^ "\n")
else
();
OS.Process.isSuccess (OS.Process.system s))
in
!beforeC ();
system compile andalso system link
end
fun compile job =
case run toChecknest job of
NONE => false
| SOME file =>
let
val job = valOf (run (transform parseUrp "parseUrp") job)
val (cname, oname, cleanup) =
if #debug job then
("/tmp/webapp.c", "/tmp/webapp.o", fn () => ())
else
let
val dir = OS.FileSys.tmpName ()
val () = if OS.FileSys.access (dir, []) then
OS.FileSys.remove dir
else
()
val cname = OS.Path.joinDirFile {dir = dir, file = "webapp.c"}
val oname = OS.Path.joinDirFile {dir = dir, file = "webapp.o"}
in
OS.FileSys.mkDir dir;
(cname, oname,
fn () => (OS.FileSys.remove cname;
OS.FileSys.remove oname;
OS.FileSys.rmDir dir)
handle OS.SysErr _ => OS.FileSys.rmDir dir)
end
val ename = #exe job
in
let
val outf = TextIO.openOut cname
val s = TextIOPP.openOut {dst = outf, wid = 80}
val hasDb = List.exists (fn (Cjr.DDatabase _, _) => true | _ => false) (#1 file)
val libs =
if hasDb then
#link (Settings.currentDbms ())
else
""
in
Print.fprint s (CjrPrint.p_file CjrEnv.empty file);
TextIO.output1 (outf, #"\n");
TextIO.closeOut outf;
if ErrorMsg.anyErrors () then
false
else
(case #sql job of
NONE => ()
| SOME sql =>
let
val outf = TextIO.openOut sql
val s = TextIOPP.openOut {dst = outf, wid = 80}
in
Print.fprint s (CjrPrint.p_sql CjrEnv.empty file);
TextIO.closeOut outf
end;
compileC {cname = cname, oname = oname, ename = ename, libs = libs,
profile = #profile job, debug = #debug job, link = #link job}
before cleanup ())
end
handle ex => (((cleanup ()) handle _ => ()); raise ex)
end
fun compiler job =
if compile job then
()
else
OS.Process.exit OS.Process.failure
fun moduleOf fname =
let
val mrs = !moduleRoots
val fname = OS.Path.mkCanonical fname
in
case List.find (fn (root, _) => String.isPrefix (root ^ "/") fname) mrs of
NONE => capitalize (OS.Path.base (OS.Path.file fname))
| SOME (root, name) =>
let
val fname = OS.Path.base fname
val fname = String.extract (fname, size root + 1, NONE)
val fs = String.fields (fn ch => ch = #"/") fname
val fs = List.filter (CharVector.exists (fn ch => not (Char.isDigit ch))) fs
val fs = map capitalize fs
in
String.concatWith "." (name :: fs)
end
end
end
|